From b1b01e46a3db5ad44d1e4691ba37c1e0832cd5cf Mon Sep 17 00:00:00 2001 From: Suraj P Kizhakkethil Date: Tue, 4 Mar 2025 15:23:14 +0530 Subject: [PATCH 001/104] wifi: ath12k: Pass correct values of center freq1 and center freq2 for 160 MHz Currently, for 160 MHz bandwidth, center frequency1 and center frequency2 are not passed correctly to the firmware. Set center frequency1 as the center frequency of the primary 80 MHz channel segment and center frequency2 as the center frequency of the 160 MHz channel and pass the values to the firmware. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Signed-off-by: Suraj P Kizhakkethil Reviewed-by: Aditya Kumar Singh Link: https://patch.msgid.link/20250304095315.3050325-2-quic_surapk@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/wmi.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 6d1ea5f3a791..bed8c24aef20 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -1037,14 +1037,24 @@ int ath12k_wmi_vdev_down(struct ath12k *ar, u8 vdev_id) static void ath12k_wmi_put_wmi_channel(struct ath12k_wmi_channel_params *chan, struct wmi_vdev_start_req_arg *arg) { + u32 center_freq1 = arg->band_center_freq1; + memset(chan, 0, sizeof(*chan)); chan->mhz = cpu_to_le32(arg->freq); - chan->band_center_freq1 = cpu_to_le32(arg->band_center_freq1); - if (arg->mode == MODE_11AC_VHT80_80) + chan->band_center_freq1 = cpu_to_le32(center_freq1); + if (arg->mode == MODE_11BE_EHT160) { + if (arg->freq > center_freq1) + chan->band_center_freq1 = cpu_to_le32(center_freq1 + 40); + else + chan->band_center_freq1 = cpu_to_le32(center_freq1 - 40); + + chan->band_center_freq2 = cpu_to_le32(center_freq1); + } else if (arg->mode == MODE_11BE_EHT80_80) { chan->band_center_freq2 = cpu_to_le32(arg->band_center_freq2); - else + } else { chan->band_center_freq2 = 0; + } chan->info |= le32_encode_bits(arg->mode, WMI_CHAN_INFO_MODE); if (arg->passive) From 5e44b181bec8e2fe3826033360fc1a42bb432191 Mon Sep 17 00:00:00 2001 From: Sriram R Date: Tue, 4 Mar 2025 15:23:15 +0530 Subject: [PATCH 002/104] wifi: ath12k: Pass correct values of center freq1 and center freq2 for 320 MHz Currently, for 320 MHz bandwidth, center frequency1 and center frequency2 are not passed correctly to the firmware. Set center frequency1 as the center frequency of the primary 160 MHz channel segment and center frequency2 as the center frequency of the 320 MHz channel and pass the values to the firmware. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sriram R Signed-off-by: Suraj P Kizhakkethil Reviewed-by: Aditya Kumar Singh Link: https://patch.msgid.link/20250304095315.3050325-3-quic_surapk@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/wmi.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index bed8c24aef20..d6068ae10421 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -1043,7 +1043,15 @@ static void ath12k_wmi_put_wmi_channel(struct ath12k_wmi_channel_params *chan, chan->mhz = cpu_to_le32(arg->freq); chan->band_center_freq1 = cpu_to_le32(center_freq1); - if (arg->mode == MODE_11BE_EHT160) { + if (arg->mode == MODE_11BE_EHT320) { + if (arg->freq > center_freq1) + chan->band_center_freq1 = cpu_to_le32(center_freq1 + 80); + else + chan->band_center_freq1 = cpu_to_le32(center_freq1 - 80); + + chan->band_center_freq2 = cpu_to_le32(center_freq1); + + } else if (arg->mode == MODE_11BE_EHT160) { if (arg->freq > center_freq1) chan->band_center_freq1 = cpu_to_le32(center_freq1 + 40); else From b8a0d83fe4c7a8d5c060eab91d9cc16bf0dcaa46 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Thu, 6 Mar 2025 15:52:14 +0530 Subject: [PATCH 003/104] wifi: ath12k: move firmware stats out of debugfs Currently, firmware stats, comprising pdev, vdev and beacon stats are part of debugfs. In firmware pdev stats, firmware reports the final Tx power used to transmit each packet. If driver wants to know the final Tx power being used at firmware level, it can leverage from firmware pdev stats. Move firmware stats out of debugfs context in order to leverage the final Tx power reported in it even when debugfs is disabled. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Signed-off-by: Rameshkumar Sundaram Reviewed-by: Mahendran P Link: https://patch.msgid.link/20250306102215.1300522-2-rameshkumar.sundaram@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 53 ++++++++++ drivers/net/wireless/ath/ath12k/core.h | 4 + drivers/net/wireless/ath/ath12k/debugfs.c | 112 +--------------------- drivers/net/wireless/ath/ath12k/debugfs.h | 5 - drivers/net/wireless/ath/ath12k/mac.c | 50 ++++++++-- drivers/net/wireless/ath/ath12k/mac.h | 1 + drivers/net/wireless/ath/ath12k/wmi.c | 101 ++++++++++++++----- 7 files changed, 182 insertions(+), 144 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 0b2dec081c6e..301dea381841 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1084,6 +1084,59 @@ bool ath12k_core_hw_group_start_ready(struct ath12k_hw_group *ag) return (ag->num_started == ag->num_devices); } +static void ath12k_fw_stats_pdevs_free(struct list_head *head) +{ + struct ath12k_fw_stats_pdev *i, *tmp; + + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +void ath12k_fw_stats_bcn_free(struct list_head *head) +{ + struct ath12k_fw_stats_bcn *i, *tmp; + + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +static void ath12k_fw_stats_vdevs_free(struct list_head *head) +{ + struct ath12k_fw_stats_vdev *i, *tmp; + + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +void ath12k_fw_stats_init(struct ath12k *ar) +{ + INIT_LIST_HEAD(&ar->fw_stats.vdevs); + INIT_LIST_HEAD(&ar->fw_stats.pdevs); + INIT_LIST_HEAD(&ar->fw_stats.bcn); + init_completion(&ar->fw_stats_complete); +} + +void ath12k_fw_stats_free(struct ath12k_fw_stats *stats) +{ + ath12k_fw_stats_pdevs_free(&stats->pdevs); + ath12k_fw_stats_vdevs_free(&stats->vdevs); + ath12k_fw_stats_bcn_free(&stats->bcn); +} + +void ath12k_fw_stats_reset(struct ath12k *ar) +{ + spin_lock_bh(&ar->data_lock); + ar->fw_stats.fw_stats_done = false; + ath12k_fw_stats_free(&ar->fw_stats); + spin_unlock_bh(&ar->data_lock); +} + static void ath12k_core_trigger_partner(struct ath12k_base *ab) { struct ath12k_hw_group *ag = ab->ag; diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 3fac4f00d383..d07b55a4dd4a 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -1215,6 +1215,10 @@ u32 ath12k_core_get_max_peers_per_radio(struct ath12k_base *ab); u32 ath12k_core_get_max_num_tids(struct ath12k_base *ab); void ath12k_core_hw_group_set_mlo_capable(struct ath12k_hw_group *ag); +void ath12k_fw_stats_init(struct ath12k *ar); +void ath12k_fw_stats_bcn_free(struct list_head *head); +void ath12k_fw_stats_free(struct ath12k_fw_stats *stats); +void ath12k_fw_stats_reset(struct ath12k *ar); static inline const char *ath12k_scan_state_str(enum ath12k_scan_state state) { diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index 57002215ddf1..44322db70c85 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -870,102 +870,6 @@ void ath12k_debugfs_soc_destroy(struct ath12k_base *ab) */ } -static void ath12k_fw_stats_pdevs_free(struct list_head *head) -{ - struct ath12k_fw_stats_pdev *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath12k_fw_stats_bcn_free(struct list_head *head) -{ - struct ath12k_fw_stats_bcn *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath12k_fw_stats_vdevs_free(struct list_head *head) -{ - struct ath12k_fw_stats_vdev *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -void ath12k_debugfs_fw_stats_reset(struct ath12k *ar) -{ - spin_lock_bh(&ar->data_lock); - ar->fw_stats.fw_stats_done = false; - ath12k_fw_stats_vdevs_free(&ar->fw_stats.vdevs); - ath12k_fw_stats_bcn_free(&ar->fw_stats.bcn); - ath12k_fw_stats_pdevs_free(&ar->fw_stats.pdevs); - spin_unlock_bh(&ar->data_lock); -} - -static int ath12k_debugfs_fw_stats_request(struct ath12k *ar, - struct ath12k_fw_stats_req_params *param) -{ - struct ath12k_base *ab = ar->ab; - unsigned long timeout, time_left; - int ret; - - lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); - - /* FW stats can get split when exceeding the stats data buffer limit. - * In that case, since there is no end marking for the back-to-back - * received 'update stats' event, we keep a 3 seconds timeout in case, - * fw_stats_done is not marked yet - */ - timeout = jiffies + msecs_to_jiffies(3 * 1000); - - ath12k_debugfs_fw_stats_reset(ar); - - reinit_completion(&ar->fw_stats_complete); - - ret = ath12k_wmi_send_stats_request_cmd(ar, param->stats_id, - param->vdev_id, param->pdev_id); - - if (ret) { - ath12k_warn(ab, "could not request fw stats (%d)\n", - ret); - return ret; - } - - time_left = wait_for_completion_timeout(&ar->fw_stats_complete, - 1 * HZ); - /* If the wait timed out, return -ETIMEDOUT */ - if (!time_left) - return -ETIMEDOUT; - - /* Firmware sends WMI_UPDATE_STATS_EVENTID back-to-back - * when stats data buffer limit is reached. fw_stats_complete - * is completed once host receives first event from firmware, but - * still end might not be marked in the TLV. - * Below loop is to confirm that firmware completed sending all the event - * and fw_stats_done is marked true when end is marked in the TLV - */ - for (;;) { - if (time_after(jiffies, timeout)) - break; - - spin_lock_bh(&ar->data_lock); - if (ar->fw_stats.fw_stats_done) { - spin_unlock_bh(&ar->data_lock); - break; - } - spin_unlock_bh(&ar->data_lock); - } - return 0; -} - void ath12k_debugfs_fw_stats_process(struct ath12k *ar, struct ath12k_fw_stats *stats) @@ -1022,10 +926,6 @@ ath12k_debugfs_fw_stats_process(struct ath12k *ar, num_bcn = 0; } } - if (stats->stats_id == WMI_REQUEST_PDEV_STAT) { - list_splice_tail_init(&stats->pdevs, &ar->fw_stats.pdevs); - ar->fw_stats.fw_stats_done = true; - } } static int ath12k_open_vdev_stats(struct inode *inode, struct file *file) @@ -1052,7 +952,7 @@ static int ath12k_open_vdev_stats(struct inode *inode, struct file *file) param.vdev_id = 0; param.stats_id = WMI_REQUEST_VDEV_STAT; - ret = ath12k_debugfs_fw_stats_request(ar, ¶m); + ret = ath12k_mac_get_fw_stats(ar, ¶m); if (ret) { ath12k_warn(ar->ab, "failed to request fw vdev stats: %d\n", ret); return ret; @@ -1117,7 +1017,7 @@ static int ath12k_open_bcn_stats(struct inode *inode, struct file *file) continue; param.vdev_id = arvif->vdev_id; - ret = ath12k_debugfs_fw_stats_request(ar, ¶m); + ret = ath12k_mac_get_fw_stats(ar, ¶m); if (ret) { ath12k_warn(ar->ab, "failed to request fw bcn stats: %d\n", ret); return ret; @@ -1184,7 +1084,7 @@ static int ath12k_open_pdev_stats(struct inode *inode, struct file *file) param.vdev_id = 0; param.stats_id = WMI_REQUEST_PDEV_STAT; - ret = ath12k_debugfs_fw_stats_request(ar, ¶m); + ret = ath12k_mac_get_fw_stats(ar, ¶m); if (ret) { ath12k_warn(ab, "failed to request fw pdev stats: %d\n", ret); return ret; @@ -1239,11 +1139,7 @@ void ath12k_debugfs_fw_stats_register(struct ath12k *ar) debugfs_create_file("pdev_stats", 0600, fwstats_dir, ar, &fops_pdev_stats); - INIT_LIST_HEAD(&ar->fw_stats.vdevs); - INIT_LIST_HEAD(&ar->fw_stats.bcn); - INIT_LIST_HEAD(&ar->fw_stats.pdevs); - - init_completion(&ar->fw_stats_complete); + ath12k_fw_stats_init(ar); } void ath12k_debugfs_register(struct ath12k *ar) diff --git a/drivers/net/wireless/ath/ath12k/debugfs.h b/drivers/net/wireless/ath/ath12k/debugfs.h index d7041297d5d8..4cbcfbb7fa07 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.h +++ b/drivers/net/wireless/ath/ath12k/debugfs.h @@ -14,7 +14,6 @@ void ath12k_debugfs_register(struct ath12k *ar); void ath12k_debugfs_unregister(struct ath12k *ar); void ath12k_debugfs_fw_stats_process(struct ath12k *ar, struct ath12k_fw_stats *stats); -void ath12k_debugfs_fw_stats_reset(struct ath12k *ar); static inline bool ath12k_debugfs_is_extd_rx_stats_enabled(struct ath12k *ar) { @@ -129,10 +128,6 @@ static inline void ath12k_debugfs_fw_stats_process(struct ath12k *ar, { } -static inline void ath12k_debugfs_fw_stats_reset(struct ath12k *ar) -{ -} - static inline bool ath12k_debugfs_is_extd_rx_stats_enabled(struct ath12k *ar) { return false; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index dfa05f0ee6c9..edd440ced9d8 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -10267,12 +10267,12 @@ static int ath12k_mac_op_get_survey(struct ieee80211_hw *hw, int idx, return 0; } -static int ath12k_mac_get_fw_stats(struct ath12k *ar, u32 pdev_id, - u32 vdev_id, u32 stats_id) +int ath12k_mac_get_fw_stats(struct ath12k *ar, + struct ath12k_fw_stats_req_params *param) { struct ath12k_base *ab = ar->ab; struct ath12k_hw *ah = ath12k_ar_to_ah(ar); - unsigned long time_left; + unsigned long timeout, time_left; int ret; guard(mutex)(&ah->hw_mutex); @@ -10280,9 +10280,18 @@ static int ath12k_mac_get_fw_stats(struct ath12k *ar, u32 pdev_id, if (ah->state != ATH12K_HW_STATE_ON) return -ENETDOWN; + /* FW stats can get split when exceeding the stats data buffer limit. + * In that case, since there is no end marking for the back-to-back + * received 'update stats' event, we keep a 3 seconds timeout in case, + * fw_stats_done is not marked yet + */ + timeout = jiffies + msecs_to_jiffies(3 * 1000); + ath12k_fw_stats_reset(ar); + reinit_completion(&ar->fw_stats_complete); - ret = ath12k_wmi_send_stats_request_cmd(ar, stats_id, vdev_id, pdev_id); + ret = ath12k_wmi_send_stats_request_cmd(ar, param->stats_id, + param->vdev_id, param->pdev_id); if (ret) { ath12k_warn(ab, "failed to request fw stats: %d\n", ret); @@ -10291,14 +10300,33 @@ static int ath12k_mac_get_fw_stats(struct ath12k *ar, u32 pdev_id, ath12k_dbg(ab, ATH12K_DBG_WMI, "get fw stat pdev id %d vdev id %d stats id 0x%x\n", - pdev_id, vdev_id, stats_id); + param->pdev_id, param->vdev_id, param->stats_id); time_left = wait_for_completion_timeout(&ar->fw_stats_complete, 1 * HZ); - if (!time_left) + if (!time_left) { ath12k_warn(ab, "time out while waiting for get fw stats\n"); + return -ETIMEDOUT; + } - return ret; + /* Firmware sends WMI_UPDATE_STATS_EVENTID back-to-back + * when stats data buffer limit is reached. fw_stats_complete + * is completed once host receives first event from firmware, but + * still end might not be marked in the TLV. + * Below loop is to confirm that firmware completed sending all the event + * and fw_stats_done is marked true when end is marked in the TLV. + */ + for (;;) { + if (time_after(jiffies, timeout)) + break; + spin_lock_bh(&ar->data_lock); + if (ar->fw_stats.fw_stats_done) { + spin_unlock_bh(&ar->data_lock); + break; + } + spin_unlock_bh(&ar->data_lock); + } + return 0; } static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw, @@ -10307,6 +10335,7 @@ static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw, struct station_info *sinfo) { struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(sta); + struct ath12k_fw_stats_req_params params = {}; struct ath12k_link_sta *arsta; struct ath12k *ar; s8 signal; @@ -10348,10 +10377,13 @@ static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw, /* TODO: Use real NF instead of default one. */ signal = arsta->rssi_comb; + params.pdev_id = ar->pdev->pdev_id; + params.vdev_id = 0; + params.stats_id = WMI_REQUEST_VDEV_STAT; + if (!signal && ahsta->ahvif->vdev_type == WMI_VDEV_TYPE_STA && - !(ath12k_mac_get_fw_stats(ar, ar->pdev->pdev_id, 0, - WMI_REQUEST_VDEV_STAT))) + !(ath12k_mac_get_fw_stats(ar, ¶ms))) signal = arsta->rssi_beacon; if (signal) { diff --git a/drivers/net/wireless/ath/ath12k/mac.h b/drivers/net/wireless/ath/ath12k/mac.h index ae35b73312bf..5e88b511ff8a 100644 --- a/drivers/net/wireless/ath/ath12k/mac.h +++ b/drivers/net/wireless/ath/ath12k/mac.h @@ -115,4 +115,5 @@ struct ieee80211_bss_conf *ath12k_mac_get_link_bss_conf(struct ath12k_link_vif * struct ath12k *ath12k_get_ar_by_vif(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u8 link_id); +int ath12k_mac_get_fw_stats(struct ath12k *ar, struct ath12k_fw_stats_req_params *param); #endif diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index d6068ae10421..04dd307ebfc4 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -29,6 +29,7 @@ struct ath12k_wmi_svc_ready_parse { struct wmi_tlv_fw_stats_parse { const struct wmi_stats_event *ev; + struct ath12k_fw_stats *stats; }; struct ath12k_wmi_dma_ring_caps_parse { @@ -7234,7 +7235,7 @@ void ath12k_wmi_fw_stats_dump(struct ath12k *ar, else buf[len] = 0; - ath12k_debugfs_fw_stats_reset(ar); + ath12k_fw_stats_reset(ar); } static void @@ -7353,7 +7354,7 @@ static int ath12k_wmi_tlv_fw_stats_data_parse(struct ath12k_base *ab, u16 len) { const struct wmi_stats_event *ev = parse->ev; - struct ath12k_fw_stats stats = {0}; + struct ath12k_fw_stats *stats = parse->stats; struct ath12k *ar; struct ath12k_link_vif *arvif; struct ieee80211_sta *sta; @@ -7362,18 +7363,18 @@ static int ath12k_wmi_tlv_fw_stats_data_parse(struct ath12k_base *ab, int i, ret = 0; const void *data = ptr; - INIT_LIST_HEAD(&stats.vdevs); - INIT_LIST_HEAD(&stats.bcn); - INIT_LIST_HEAD(&stats.pdevs); - if (!ev) { ath12k_warn(ab, "failed to fetch update stats ev"); return -EPROTO; } + if (!stats) + return -EINVAL; + rcu_read_lock(); - ar = ath12k_mac_get_ar_by_pdev_id(ab, le32_to_cpu(ev->pdev_id)); + stats->pdev_id = le32_to_cpu(ev->pdev_id); + ar = ath12k_mac_get_ar_by_pdev_id(ab, stats->pdev_id); if (!ar) { ath12k_warn(ab, "invalid pdev id %d in update stats event\n", le32_to_cpu(ev->pdev_id)); @@ -7416,8 +7417,8 @@ static int ath12k_wmi_tlv_fw_stats_data_parse(struct ath12k_base *ab, if (!dst) continue; ath12k_wmi_pull_vdev_stats(src, dst); - stats.stats_id = WMI_REQUEST_VDEV_STAT; - list_add_tail(&dst->list, &stats.vdevs); + stats->stats_id = WMI_REQUEST_VDEV_STAT; + list_add_tail(&dst->list, &stats->vdevs); } for (i = 0; i < le32_to_cpu(ev->num_bcn_stats); i++) { const struct ath12k_wmi_bcn_stats_params *src; @@ -7435,8 +7436,8 @@ static int ath12k_wmi_tlv_fw_stats_data_parse(struct ath12k_base *ab, if (!dst) continue; ath12k_wmi_pull_bcn_stats(src, dst); - stats.stats_id = WMI_REQUEST_BCN_STAT; - list_add_tail(&dst->list, &stats.bcn); + stats->stats_id = WMI_REQUEST_BCN_STAT; + list_add_tail(&dst->list, &stats->bcn); } for (i = 0; i < le32_to_cpu(ev->num_pdev_stats); i++) { const struct ath12k_wmi_pdev_stats_params *src; @@ -7448,7 +7449,7 @@ static int ath12k_wmi_tlv_fw_stats_data_parse(struct ath12k_base *ab, goto exit; } - stats.stats_id = WMI_REQUEST_PDEV_STAT; + stats->stats_id = WMI_REQUEST_PDEV_STAT; data += sizeof(*src); len -= sizeof(*src); @@ -7460,11 +7461,9 @@ static int ath12k_wmi_tlv_fw_stats_data_parse(struct ath12k_base *ab, ath12k_wmi_pull_pdev_stats_base(&src->base, dst); ath12k_wmi_pull_pdev_stats_tx(&src->tx, dst); ath12k_wmi_pull_pdev_stats_rx(&src->rx, dst); - list_add_tail(&dst->list, &stats.pdevs); + list_add_tail(&dst->list, &stats->pdevs); } - complete(&ar->fw_stats_complete); - ath12k_debugfs_fw_stats_process(ar, &stats); exit: rcu_read_unlock(); return ret; @@ -7490,16 +7489,74 @@ static int ath12k_wmi_tlv_fw_stats_parse(struct ath12k_base *ab, return ret; } -static void ath12k_update_stats_event(struct ath12k_base *ab, struct sk_buff *skb) +static int ath12k_wmi_pull_fw_stats(struct ath12k_base *ab, struct sk_buff *skb, + struct ath12k_fw_stats *stats) { - int ret; struct wmi_tlv_fw_stats_parse parse = {}; - ret = ath12k_wmi_tlv_iter(ab, skb->data, skb->len, - ath12k_wmi_tlv_fw_stats_parse, - &parse); - if (ret) - ath12k_warn(ab, "failed to parse fw stats %d\n", ret); + stats->stats_id = 0; + parse.stats = stats; + + return ath12k_wmi_tlv_iter(ab, skb->data, skb->len, + ath12k_wmi_tlv_fw_stats_parse, + &parse); +} + +static void ath12k_update_stats_event(struct ath12k_base *ab, struct sk_buff *skb) +{ + struct ath12k_fw_stats stats = {}; + struct ath12k *ar; + int ret; + + INIT_LIST_HEAD(&stats.pdevs); + INIT_LIST_HEAD(&stats.vdevs); + INIT_LIST_HEAD(&stats.bcn); + + ret = ath12k_wmi_pull_fw_stats(ab, skb, &stats); + if (ret) { + ath12k_warn(ab, "failed to pull fw stats: %d\n", ret); + goto free; + } + + ath12k_dbg(ab, ATH12K_DBG_WMI, "event update stats"); + + rcu_read_lock(); + ar = ath12k_mac_get_ar_by_pdev_id(ab, stats.pdev_id); + if (!ar) { + rcu_read_unlock(); + ath12k_warn(ab, "failed to get ar for pdev_id %d: %d\n", + stats.pdev_id, ret); + goto free; + } + + spin_lock_bh(&ar->data_lock); + + /* WMI_REQUEST_PDEV_STAT can be requested via .get_txpower mac ops or via + * debugfs fw stats. Therefore, processing it separately. + */ + if (stats.stats_id == WMI_REQUEST_PDEV_STAT) { + list_splice_tail_init(&stats.pdevs, &ar->fw_stats.pdevs); + ar->fw_stats.fw_stats_done = true; + goto complete; + } + + /* WMI_REQUEST_VDEV_STAT and WMI_REQUEST_BCN_STAT are currently requested only + * via debugfs fw stats. Hence, processing these in debugfs context. + */ + ath12k_debugfs_fw_stats_process(ar, &stats); + +complete: + complete(&ar->fw_stats_complete); + spin_unlock_bh(&ar->data_lock); + rcu_read_unlock(); + + /* Since the stats's pdev, vdev and beacon list are spliced and reinitialised + * at this point, no need to free the individual list. + */ + return; + +free: + ath12k_fw_stats_free(&stats); } /* PDEV_CTL_FAILSAFE_CHECK_EVENT is received from FW when the frequency scanned From e92c658b056b31fbc923a59bd72d51ca9f2ba921 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Thu, 6 Mar 2025 15:52:15 +0530 Subject: [PATCH 004/104] wifi: ath12k: add get_txpower mac ops Driver does not support get_txpower mac ops because of which cfg80211 returns vif->bss_conf.txpower to user space. bss_conf.txpower gets its value from ieee80211_channel->max_reg_power. However, the final txpower is dependent on few other parameters apart from max regulatory supported power. It is the firmware which knows about all these parameters and considers the minimum for each packet transmission. All ath12k firmware reports the final TX power in firmware pdev stats which falls under fw_stats. add get_txpower mac ops to get the TX power from firmware leveraging fw_stats and return it accordingly. While at it, there is a possibility that repeated stats request WMI commands are queued to FW if mac80211/userspace does get tx power back to back(in Multiple BSS cases). This could potentially consume the WMI queue completely. Hence limit this by fetching the power only for every 5 seconds and reusing the value until the refresh timeout or when there is a change in channel. Also remove init_completion(&ar->fw_stats_complete) in ath12k_mac_hw_register() as ath12k_fw_stats_init() takes care of it for each ar. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Signed-off-by: Rameshkumar Sundaram Reviewed-by: Mahendran P Link: https://patch.msgid.link/20250306102215.1300522-3-rameshkumar.sundaram@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 1 + drivers/net/wireless/ath/ath12k/mac.c | 208 +++++++++++++++++-------- drivers/net/wireless/ath/ath12k/mac.h | 3 + 3 files changed, 148 insertions(+), 64 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index d07b55a4dd4a..bed996919f04 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -743,6 +743,7 @@ struct ath12k { u32 mlo_setup_status; u8 ftm_msgref; struct ath12k_fw_stats fw_stats; + unsigned long last_tx_power_update; }; struct ath12k_hw { diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index edd440ced9d8..9cb68a351263 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -4376,6 +4376,145 @@ static int ath12k_start_scan(struct ath12k *ar, return 0; } +int ath12k_mac_get_fw_stats(struct ath12k *ar, + struct ath12k_fw_stats_req_params *param) +{ + struct ath12k_base *ab = ar->ab; + struct ath12k_hw *ah = ath12k_ar_to_ah(ar); + unsigned long timeout, time_left; + int ret; + + guard(mutex)(&ah->hw_mutex); + + if (ah->state != ATH12K_HW_STATE_ON) + return -ENETDOWN; + + /* FW stats can get split when exceeding the stats data buffer limit. + * In that case, since there is no end marking for the back-to-back + * received 'update stats' event, we keep a 3 seconds timeout in case, + * fw_stats_done is not marked yet + */ + timeout = jiffies + msecs_to_jiffies(3 * 1000); + ath12k_fw_stats_reset(ar); + + reinit_completion(&ar->fw_stats_complete); + + ret = ath12k_wmi_send_stats_request_cmd(ar, param->stats_id, + param->vdev_id, param->pdev_id); + + if (ret) { + ath12k_warn(ab, "failed to request fw stats: %d\n", ret); + return ret; + } + + ath12k_dbg(ab, ATH12K_DBG_WMI, + "get fw stat pdev id %d vdev id %d stats id 0x%x\n", + param->pdev_id, param->vdev_id, param->stats_id); + + time_left = wait_for_completion_timeout(&ar->fw_stats_complete, 1 * HZ); + + if (!time_left) { + ath12k_warn(ab, "time out while waiting for get fw stats\n"); + return -ETIMEDOUT; + } + + /* Firmware sends WMI_UPDATE_STATS_EVENTID back-to-back + * when stats data buffer limit is reached. fw_stats_complete + * is completed once host receives first event from firmware, but + * still end might not be marked in the TLV. + * Below loop is to confirm that firmware completed sending all the event + * and fw_stats_done is marked true when end is marked in the TLV. + */ + for (;;) { + if (time_after(jiffies, timeout)) + break; + spin_lock_bh(&ar->data_lock); + if (ar->fw_stats.fw_stats_done) { + spin_unlock_bh(&ar->data_lock); + break; + } + spin_unlock_bh(&ar->data_lock); + } + return 0; +} + +static int ath12k_mac_op_get_txpower(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + unsigned int link_id, + int *dbm) +{ + struct ath12k_vif *ahvif = ath12k_vif_to_ahvif(vif); + struct ath12k_fw_stats_req_params params = {}; + struct ath12k_fw_stats_pdev *pdev; + struct ath12k_hw *ah = hw->priv; + struct ath12k_link_vif *arvif; + struct ath12k_base *ab; + struct ath12k *ar; + int ret; + + /* Final Tx power is minimum of Target Power, CTL power, Regulatory + * Power, PSD EIRP Power. We just know the Regulatory power from the + * regulatory rules obtained. FW knows all these power and sets the min + * of these. Hence, we request the FW pdev stats in which FW reports + * the minimum of all vdev's channel Tx power. + */ + lockdep_assert_wiphy(hw->wiphy); + + arvif = wiphy_dereference(ah->hw->wiphy, ahvif->link[link_id]); + if (!arvif || !arvif->ar) + return -EINVAL; + + ar = arvif->ar; + ab = ar->ab; + if (ah->state != ATH12K_HW_STATE_ON) + goto err_fallback; + + if (test_bit(ATH12K_FLAG_CAC_RUNNING, &ar->dev_flags)) + return -EAGAIN; + + /* Limit the requests to Firmware for fetching the tx power */ + if (ar->chan_tx_pwr != ATH12K_PDEV_TX_POWER_INVALID && + time_before(jiffies, + msecs_to_jiffies(ATH12K_PDEV_TX_POWER_REFRESH_TIME_MSECS) + + ar->last_tx_power_update)) + goto send_tx_power; + + params.pdev_id = ar->pdev->pdev_id; + params.vdev_id = arvif->vdev_id; + params.stats_id = WMI_REQUEST_PDEV_STAT; + ret = ath12k_mac_get_fw_stats(ar, ¶ms); + if (ret) { + ath12k_warn(ab, "failed to request fw pdev stats: %d\n", ret); + goto err_fallback; + } + + spin_lock_bh(&ar->data_lock); + pdev = list_first_entry_or_null(&ar->fw_stats.pdevs, + struct ath12k_fw_stats_pdev, list); + if (!pdev) { + spin_unlock_bh(&ar->data_lock); + goto err_fallback; + } + + /* tx power reported by firmware is in units of 0.5 dBm */ + ar->chan_tx_pwr = pdev->chan_tx_power / 2; + spin_unlock_bh(&ar->data_lock); + ar->last_tx_power_update = jiffies; + +send_tx_power: + *dbm = ar->chan_tx_pwr; + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "txpower fetched from firmware %d dBm\n", + *dbm); + return 0; + +err_fallback: + /* We didn't get txpower from FW. Hence, relying on vif->bss_conf.txpower */ + *dbm = vif->bss_conf.txpower; + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "txpower from firmware NaN, reported %d dBm\n", + *dbm); + return 0; +} + static u8 ath12k_mac_find_link_id_by_ar(struct ath12k_vif *ahvif, struct ath12k *ar) { @@ -7600,6 +7739,7 @@ static int ath12k_mac_start(struct ath12k *ar) ar->num_created_vdevs = 0; ar->num_peers = 0; ar->allocated_vdev_map = 0; + ar->chan_tx_pwr = ATH12K_PDEV_TX_POWER_INVALID; /* Configure monitor status ring with default rx_filter to get rx status * such as rssi, rx_duration. @@ -8798,6 +8938,7 @@ static int ath12k_mac_op_add_chanctx(struct ieee80211_hw *hw, */ ar->rx_channel = ctx->def.chan; spin_unlock_bh(&ar->data_lock); + ar->chan_tx_pwr = ATH12K_PDEV_TX_POWER_INVALID; return 0; } @@ -8826,6 +8967,7 @@ static void ath12k_mac_op_remove_chanctx(struct ieee80211_hw *hw, */ ar->rx_channel = NULL; spin_unlock_bh(&ar->data_lock); + ar->chan_tx_pwr = ATH12K_PDEV_TX_POWER_INVALID; } static enum wmi_phy_mode @@ -10267,68 +10409,6 @@ static int ath12k_mac_op_get_survey(struct ieee80211_hw *hw, int idx, return 0; } -int ath12k_mac_get_fw_stats(struct ath12k *ar, - struct ath12k_fw_stats_req_params *param) -{ - struct ath12k_base *ab = ar->ab; - struct ath12k_hw *ah = ath12k_ar_to_ah(ar); - unsigned long timeout, time_left; - int ret; - - guard(mutex)(&ah->hw_mutex); - - if (ah->state != ATH12K_HW_STATE_ON) - return -ENETDOWN; - - /* FW stats can get split when exceeding the stats data buffer limit. - * In that case, since there is no end marking for the back-to-back - * received 'update stats' event, we keep a 3 seconds timeout in case, - * fw_stats_done is not marked yet - */ - timeout = jiffies + msecs_to_jiffies(3 * 1000); - ath12k_fw_stats_reset(ar); - - reinit_completion(&ar->fw_stats_complete); - - ret = ath12k_wmi_send_stats_request_cmd(ar, param->stats_id, - param->vdev_id, param->pdev_id); - - if (ret) { - ath12k_warn(ab, "failed to request fw stats: %d\n", ret); - return ret; - } - - ath12k_dbg(ab, ATH12K_DBG_WMI, - "get fw stat pdev id %d vdev id %d stats id 0x%x\n", - param->pdev_id, param->vdev_id, param->stats_id); - - time_left = wait_for_completion_timeout(&ar->fw_stats_complete, 1 * HZ); - - if (!time_left) { - ath12k_warn(ab, "time out while waiting for get fw stats\n"); - return -ETIMEDOUT; - } - - /* Firmware sends WMI_UPDATE_STATS_EVENTID back-to-back - * when stats data buffer limit is reached. fw_stats_complete - * is completed once host receives first event from firmware, but - * still end might not be marked in the TLV. - * Below loop is to confirm that firmware completed sending all the event - * and fw_stats_done is marked true when end is marked in the TLV. - */ - for (;;) { - if (time_after(jiffies, timeout)) - break; - spin_lock_bh(&ar->data_lock); - if (ar->fw_stats.fw_stats_done) { - spin_unlock_bh(&ar->data_lock); - break; - } - spin_unlock_bh(&ar->data_lock); - } - return 0; -} - static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -10627,6 +10707,7 @@ static const struct ieee80211_ops ath12k_ops = { .assign_vif_chanctx = ath12k_mac_op_assign_vif_chanctx, .unassign_vif_chanctx = ath12k_mac_op_unassign_vif_chanctx, .switch_vif_chanctx = ath12k_mac_op_switch_vif_chanctx, + .get_txpower = ath12k_mac_op_get_txpower, .set_rts_threshold = ath12k_mac_op_set_rts_threshold, .set_frag_threshold = ath12k_mac_op_set_frag_threshold, .set_bitrate_mask = ath12k_mac_op_set_bitrate_mask, @@ -11379,11 +11460,10 @@ static int ath12k_mac_hw_register(struct ath12k_hw *ah) goto err_unregister_hw; } + ath12k_fw_stats_init(ar); ath12k_debugfs_register(ar); } - init_completion(&ar->fw_stats_complete); - return 0; err_unregister_hw: diff --git a/drivers/net/wireless/ath/ath12k/mac.h b/drivers/net/wireless/ath/ath12k/mac.h index 5e88b511ff8a..468992a2f712 100644 --- a/drivers/net/wireless/ath/ath12k/mac.h +++ b/drivers/net/wireless/ath/ath12k/mac.h @@ -33,6 +33,9 @@ struct ath12k_generic_iter { #define ATH12K_KEEPALIVE_MAX_IDLE 3895 #define ATH12K_KEEPALIVE_MAX_UNRESPONSIVE 3900 +#define ATH12K_PDEV_TX_POWER_INVALID ((u32)-1) +#define ATH12K_PDEV_TX_POWER_REFRESH_TIME_MSECS 5000 /* msecs */ + /* FIXME: should these be in ieee80211.h? */ #define IEEE80211_VHT_MCS_SUPPORT_0_11_MASK GENMASK(23, 16) #define IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11 BIT(24) From 9a1cf85c9c7cca15bfc452f207818977621dedf8 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 10 Mar 2025 15:23:40 -0700 Subject: [PATCH 005/104] wifi: carl9170: Add __nonstring annotations for unterminated strings When a character array without a terminating NUL character has a static initializer, GCC 15's -Wunterminated-string-initialization will only warn if the array lacks the "nonstring" attribute[1]. Mark the arrays with __nonstring to and correctly identify the char array as "not a C string" and thereby eliminate the warning. Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117178 [1] Cc: Christian Lamparter Cc: Johannes Berg Cc: linux-wireless@vger.kernel.org Signed-off-by: Kees Cook Acked-by: Christian Lamparter Link: https://patch.msgid.link/20250310222339.work.654-kees@kernel.org Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/carl9170/fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 4c1aecd1163c..419f5530f885 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -15,7 +15,7 @@ #include "fwcmd.h" #include "version.h" -static const u8 otus_magic[4] = { OTUS_MAGIC }; +static const u8 otus_magic[4] __nonstring = { OTUS_MAGIC }; static const void *carl9170_fw_find_desc(struct ar9170 *ar, const u8 descid[4], const unsigned int len, const u8 compatible_revision) From 47c91531edd2a552a8131414e4bdb0654277ad6a Mon Sep 17 00:00:00 2001 From: Muna Sinada Date: Fri, 14 Mar 2025 11:56:05 -0700 Subject: [PATCH 006/104] wifi: ath12k: remove open parenthesis PMF debug log has an open parenthesis that is not needed. Remove open parenthesis. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Muna Sinada Link: https://patch.msgid.link/20250314185605.68454-1-muna.sinada@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 9cb68a351263..9fda97667d4e 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -7688,7 +7688,7 @@ static int ath12k_mac_start(struct ath12k *ar) 1, pdev->pdev_id); if (ret) { - ath12k_err(ab, "failed to enable PMF QOS: (%d\n", ret); + ath12k_err(ab, "failed to enable PMF QOS: %d\n", ret); goto err; } From ce0779378c62758a0c503bf85e643c6d8f343703 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 21 Mar 2025 09:45:53 +0800 Subject: [PATCH 007/104] wifi: ath12k: don't put ieee80211_chanctx_conf struct in ath12k_link_vif ieee80211_chanctx_conf struct is not put at the end of ath12k_link_vif. Note ieee80211_chanctx_conf has flexible array member inside it, causing below warning with GCC-14: drivers/net/wireless/ath/ath12k/core.h:298:39: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end] Although there is no issue for now since the array is not getting used, this should be fixed to avoid any potential data corruption issue in the future. Remove this struct from ath12k_link_vif, fetch it from ieee80211_bss_conf instead when needed. This change only applies to WCN7850, and should has no impact on other chipsets. This is an alternative to the solution proposed in [1]. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Reported-by: Gustavo A. R. Silva Closes: https://msgid.link/Z8-Snz86Xfwdlyd7@kspp # [1] Signed-off-by: Baochen Qiang Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250321-ath12k-dont-put-chanctx-in-arvif-v1-1-c8e93061952b@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 1 - drivers/net/wireless/ath/ath12k/mac.c | 15 ++++++++++++--- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index bed996919f04..4675648c7bcb 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -295,7 +295,6 @@ struct ath12k_link_vif { int txpower; bool rsnie_present; bool wpaie_present; - struct ieee80211_chanctx_conf chanctx; u8 vdev_stats_id; u32 punct_bitmap; u8 link_id; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 9fda97667d4e..842eda56c8b1 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -9550,16 +9550,26 @@ static int ath12k_start_vdev_delay(struct ath12k *ar, struct ath12k_base *ab = ar->ab; struct ath12k_vif *ahvif = arvif->ahvif; struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); + struct ieee80211_chanctx_conf *chanctx; + struct ieee80211_bss_conf *link_conf; int ret; if (WARN_ON(arvif->is_started)) return -EBUSY; - ret = ath12k_mac_vdev_start(arvif, &arvif->chanctx); + link_conf = ath12k_mac_get_link_bss_conf(arvif); + if (!link_conf) { + ath12k_warn(ab, "failed to get link conf for vdev %u\n", arvif->vdev_id); + return -EINVAL; + } + + chanctx = wiphy_dereference(ath12k_ar_to_hw(arvif->ar)->wiphy, + link_conf->chanctx_conf); + ret = ath12k_mac_vdev_start(arvif, chanctx); if (ret) { ath12k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n", arvif->vdev_id, vif->addr, - arvif->chanctx.def.chan->center_freq, ret); + chanctx->def.chan->center_freq, ret); return ret; } @@ -9622,7 +9632,6 @@ ath12k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, ahvif->vdev_type != WMI_VDEV_TYPE_AP && ahvif->vdev_type != WMI_VDEV_TYPE_MONITOR && !ath12k_peer_exist_by_vdev_id(ab, arvif->vdev_id)) { - memcpy(&arvif->chanctx, ctx, sizeof(*ctx)); ret = 0; goto out; } From 94fcd39ca255758335ace05f70365f2126190ee0 Mon Sep 17 00:00:00 2001 From: Raj Kumar Bhagat Date: Fri, 21 Mar 2025 16:22:38 +0530 Subject: [PATCH 008/104] dt-bindings: net: wireless: describe the ath12k AHB module for IPQ5332 Add device-tree bindings for the ATH12K module found in the IPQ5332 device. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-1-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- .../net/wireless/qcom,ipq5332-wifi.yaml | 315 ++++++++++++++++++ 1 file changed, 315 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/wireless/qcom,ipq5332-wifi.yaml diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ipq5332-wifi.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ipq5332-wifi.yaml new file mode 100644 index 000000000000..363a0ecb6ad9 --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ipq5332-wifi.yaml @@ -0,0 +1,315 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/wireless/qcom,ipq5332-wifi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies ath12k wireless devices (AHB) + +maintainers: + - Jeff Johnson + +description: + Qualcomm Technologies IEEE 802.11be AHB devices. + +properties: + compatible: + enum: + - qcom,ipq5332-wifi + + reg: + maxItems: 1 + + clocks: + items: + - description: XO clock used for copy engine + + clock-names: + items: + - const: xo + + interrupts: + items: + - description: Fatal interrupt + - description: Ready interrupt + - description: Spawn acknowledge interrupt + - description: Stop acknowledge interrupt + - description: misc-pulse1 interrupt events + - description: misc-latch interrupt events + - description: sw exception interrupt events + - description: interrupt event for ring CE0 + - description: interrupt event for ring CE1 + - description: interrupt event for ring CE2 + - description: interrupt event for ring CE3 + - description: interrupt event for ring CE4 + - description: interrupt event for ring CE5 + - description: interrupt event for ring CE6 + - description: interrupt event for ring CE7 + - description: interrupt event for ring CE8 + - description: interrupt event for ring CE9 + - description: interrupt event for ring CE10 + - description: interrupt event for ring CE11 + - description: interrupt event for ring host2wbm-desc-feed + - description: interrupt event for ring host2reo-re-injection + - description: interrupt event for ring host2reo-command + - description: interrupt event for ring host2rxdma-monitor-ring1 + - description: interrupt event for ring reo2ost-exception + - description: interrupt event for ring wbm2host-rx-release + - description: interrupt event for ring reo2host-status + - description: interrupt event for ring reo2host-destination-ring4 + - description: interrupt event for ring reo2host-destination-ring3 + - description: interrupt event for ring reo2host-destination-ring2 + - description: interrupt event for ring reo2host-destination-ring1 + - description: interrupt event for ring rxdma2host-monitor-destination-mac3 + - description: interrupt event for ring rxdma2host-monitor-destination-mac2 + - description: interrupt event for ring rxdma2host-monitor-destination-mac1 + - description: interrupt event for ring host2rxdma-host-buf-ring-mac3 + - description: interrupt event for ring host2rxdma-host-buf-ring-mac2 + - description: interrupt event for ring host2rxdma-host-buf-ring-mac1 + - description: interrupt event for ring host2tcl-input-ring4 + - description: interrupt event for ring host2tcl-input-ring3 + - description: interrupt event for ring host2tcl-input-ring2 + - description: interrupt event for ring host2tcl-input-ring1 + - description: interrupt event for ring wbm2host-tx-completions-ring4 + - description: interrupt event for ring wbm2host-tx-completions-ring3 + - description: interrupt event for ring wbm2host-tx-completions-ring2 + - description: interrupt event for ring wbm2host-tx-completions-ring1 + - description: interrupt event for ring host2tx-monitor-ring1 + - description: interrupt event for ring txmon2host-monitor-destination-mac3 + - description: interrupt event for ring txmon2host-monitor-destination-mac2 + - description: interrupt event for ring txmon2host-monitor-destination-mac1 + - description: interrupt event for umac-reset + + interrupt-names: + items: + - const: fatal + - const: ready + - const: spawn + - const: stop-ack + - const: misc-pulse1 + - const: misc-latch + - const: sw-exception + - const: ce0 + - const: ce1 + - const: ce2 + - const: ce3 + - const: ce4 + - const: ce5 + - const: ce6 + - const: ce7 + - const: ce8 + - const: ce9 + - const: ce10 + - const: ce11 + - const: host2wbm-desc-feed + - const: host2reo-re-injection + - const: host2reo-command + - const: host2rxdma-monitor-ring1 + - const: reo2ost-exception + - const: wbm2host-rx-release + - const: reo2host-status + - const: reo2host-destination-ring4 + - const: reo2host-destination-ring3 + - const: reo2host-destination-ring2 + - const: reo2host-destination-ring1 + - const: rxdma2host-monitor-destination-mac3 + - const: rxdma2host-monitor-destination-mac2 + - const: rxdma2host-monitor-destination-mac1 + - const: host2rxdma-host-buf-ring-mac3 + - const: host2rxdma-host-buf-ring-mac2 + - const: host2rxdma-host-buf-ring-mac1 + - const: host2tcl-input-ring4 + - const: host2tcl-input-ring3 + - const: host2tcl-input-ring2 + - const: host2tcl-input-ring1 + - const: wbm2host-tx-completions-ring4 + - const: wbm2host-tx-completions-ring3 + - const: wbm2host-tx-completions-ring2 + - const: wbm2host-tx-completions-ring1 + - const: host2tx-monitor-ring1 + - const: txmon2host-monitor-destination-mac3 + - const: txmon2host-monitor-destination-mac2 + - const: txmon2host-monitor-destination-mac1 + - const: umac-reset + + memory-region: + description: + Memory regions used by the ath12k firmware. + items: + - description: Q6 memory region + - description: m3 dump memory region + - description: Q6 caldata memory region + - description: Multi Link Operation (MLO) Global memory region + + memory-region-names: + items: + - const: q6-region + - const: m3-dump + - const: q6-caldb + - const: mlo-global-mem + + qcom,calibration-variant: + $ref: /schemas/types.yaml#/definitions/string + description: + String to uniquely identify variant of the calibration data for designs + with colliding bus and device ids + + qcom,rproc: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the Qualcomm Hexagon DSP(q6 remote processor), which is utilized + for offloading WiFi processing tasks, this q6 remote processor operates in + conjunction with WiFi. + + qcom,smem-states: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: States used by the AP to signal the remote processor + items: + - description: Shutdown WCSS pd + - description: Stop WCSS pd + - description: Spawn WCSS pd + + qcom,smem-state-names: + description: + Names of the states used by the AP to signal the remote processor + items: + - const: shutdown + - const: stop + - const: spawn + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - memory-region + - memory-region-names + - qcom,rproc + - qcom,smem-states + - qcom,smem-state-names + +additionalProperties: false + +examples: + - | + #include + #include + + wifi0: wifi@c000000 { + compatible = "qcom,ipq5332-wifi"; + reg = <0x0c000000 0x1000000>; + clocks = <&gcc GCC_XO_CLK>; + clock-names = "xo"; + interrupts-extended = <&wcss_smp2p_in 8 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 9 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 12 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 11 IRQ_TYPE_NONE>, + <&intc GIC_SPI 559 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 560 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 561 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 422 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 423 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 424 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 425 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 426 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 427 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 428 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 429 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 430 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 431 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 432 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 433 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 491 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 495 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 493 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 544 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 457 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 466 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 497 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 454 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 453 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 452 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 451 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 488 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 488 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 484 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 554 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 554 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 549 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 507 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 500 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 499 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 498 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 450 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 449 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 448 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 447 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 543 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 486 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 486 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 482 IRQ_TYPE_EDGE_RISING>, + <&intc GIC_SPI 419 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "fatal", + "ready", + "spawn", + "stop-ack", + "misc-pulse1", + "misc-latch", + "sw-exception", + "ce0", + "ce1", + "ce2", + "ce3", + "ce4", + "ce5", + "ce6", + "ce7", + "ce8", + "ce9", + "ce10", + "ce11", + "host2wbm-desc-feed", + "host2reo-re-injection", + "host2reo-command", + "host2rxdma-monitor-ring1", + "reo2ost-exception", + "wbm2host-rx-release", + "reo2host-status", + "reo2host-destination-ring4", + "reo2host-destination-ring3", + "reo2host-destination-ring2", + "reo2host-destination-ring1", + "rxdma2host-monitor-destination-mac3", + "rxdma2host-monitor-destination-mac2", + "rxdma2host-monitor-destination-mac1", + "host2rxdma-host-buf-ring-mac3", + "host2rxdma-host-buf-ring-mac2", + "host2rxdma-host-buf-ring-mac1", + "host2tcl-input-ring4", + "host2tcl-input-ring3", + "host2tcl-input-ring2", + "host2tcl-input-ring1", + "wbm2host-tx-completions-ring4", + "wbm2host-tx-completions-ring3", + "wbm2host-tx-completions-ring2", + "wbm2host-tx-completions-ring1", + "host2tx-monitor-ring1", + "txmon2host-monitor-destination-mac3", + "txmon2host-monitor-destination-mac2", + "txmon2host-monitor-destination-mac1", + "umac-reset"; + + memory-region = <&q6_region>, <&m3_dump>, <&q6_caldb>, <&mlo_mem>; + memory-region-names = "q6-region", "m3-dump", "q6-caldb", "mlo-global-mem"; + qcom,calibration-variant = "RDP441_1"; + qcom,rproc = <&q6v5_wcss>; + qcom,smem-states = <&wcss_smp2p_out 8>, + <&wcss_smp2p_out 9>, + <&wcss_smp2p_out 10>; + qcom,smem-state-names = "shutdown", + "stop", + "spawn"; + }; From 60031d9c3589c7983fd1deb4a4c0bebf0929890e Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Fri, 21 Mar 2025 16:22:39 +0530 Subject: [PATCH 009/104] wifi: ath12k: fix incorrect CE addresses In the current ath12k implementation, the CE addresses CE_HOST_IE_ADDRESS and CE_HOST_IE_2_ADDRESS are incorrect. These values were inherited from ath11k, but ath12k does not currently use them. However, the Ath12k AHB support relies on these addresses. Therefore, correct the CE addresses for ath12k. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-2-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ce.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ce.h b/drivers/net/wireless/ath/ath12k/ce.h index 1a14b9fb86b8..f85188af5de2 100644 --- a/drivers/net/wireless/ath/ath12k/ce.h +++ b/drivers/net/wireless/ath/ath12k/ce.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2022, 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_CE_H @@ -39,8 +39,8 @@ #define PIPEDIR_INOUT_H2H 4 /* bidirectional, host to host */ /* CE address/mask */ -#define CE_HOST_IE_ADDRESS 0x00A1803C -#define CE_HOST_IE_2_ADDRESS 0x00A18040 +#define CE_HOST_IE_ADDRESS 0x75804C +#define CE_HOST_IE_2_ADDRESS 0x758050 #define CE_HOST_IE_3_ADDRESS CE_HOST_IE_ADDRESS #define CE_HOST_IE_3_SHIFT 0xC From 5257324583e32fd5bd6bbb6c82b4f5880b842f99 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Fri, 21 Mar 2025 16:22:40 +0530 Subject: [PATCH 010/104] wifi: ath12k: refactor ath12k_hw_regs structure IPQ5332 device have different register address values for the below registers: HAL_TCL1_RING_BASE_LSB HAL_TCL1_RING_BASE_MSB HAL_TCL2_RING_BASE_LSB HAL_SEQ_WCSS_UMAC_CE0_SRC_REG HAL_SEQ_WCSS_UMAC_CE0_DST_REG HAL_SEQ_WCSS_UMAC_CE1_SRC_REG HAL_SEQ_WCSS_UMAC_CE1_DST_REG Hence, refactor ath12k_hw_regs structure to accommodate these changes in IPQ5332. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: P Praneesh Co-developed-by: Balamurugan S Signed-off-by: Balamurugan S Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-3-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/hal.c | 84 +++++++++++++-------------- drivers/net/wireless/ath/ath12k/hal.h | 63 +++++++++++--------- drivers/net/wireless/ath/ath12k/hw.c | 29 ++++++++- drivers/net/wireless/ath/ath12k/hw.h | 10 +++- 4 files changed, 114 insertions(+), 72 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c index cd59ff8e6c7b..031f76d88bef 100644 --- a/drivers/net/wireless/ath/ath12k/hal.c +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include #include "hal_tx.h" @@ -552,9 +552,9 @@ static int ath12k_hal_srng_create_config_qcn9274(struct ath12k_base *ab) s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_HP; s = &hal->srng_config[HAL_TCL_DATA]; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB(ab); s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP; - s->reg_size[0] = HAL_TCL2_RING_BASE_LSB - HAL_TCL1_RING_BASE_LSB; + s->reg_size[0] = HAL_TCL2_RING_BASE_LSB(ab) - HAL_TCL1_RING_BASE_LSB(ab); s->reg_size[1] = HAL_TCL2_RING_HP - HAL_TCL1_RING_HP; s = &hal->srng_config[HAL_TCL_CMD]; @@ -566,29 +566,29 @@ static int ath12k_hal_srng_create_config_qcn9274(struct ath12k_base *ab) s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP; s = &hal->srng_config[HAL_CE_SRC]; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_BASE_LSB; - s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_HP; - s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - - HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; - s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - - HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab); + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab); s = &hal->srng_config[HAL_CE_DST]; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_BASE_LSB; - s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_HP; - s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; - s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); s = &hal->srng_config[HAL_CE_DST_STATUS]; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_BASE_LSB; - s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_STATUS_RING_HP; - s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; - s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); s = &hal->srng_config[HAL_WBM_IDLE_LINK]; s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_BASE_LSB(ab); @@ -1371,9 +1371,9 @@ static int ath12k_hal_srng_create_config_wcn7850(struct ath12k_base *ab) s = &hal->srng_config[HAL_TCL_DATA]; s->max_rings = 5; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB(ab); s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP; - s->reg_size[0] = HAL_TCL2_RING_BASE_LSB - HAL_TCL1_RING_BASE_LSB; + s->reg_size[0] = HAL_TCL2_RING_BASE_LSB(ab) - HAL_TCL1_RING_BASE_LSB(ab); s->reg_size[1] = HAL_TCL2_RING_HP - HAL_TCL1_RING_HP; s = &hal->srng_config[HAL_TCL_CMD]; @@ -1386,31 +1386,31 @@ static int ath12k_hal_srng_create_config_wcn7850(struct ath12k_base *ab) s = &hal->srng_config[HAL_CE_SRC]; s->max_rings = 12; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_BASE_LSB; - s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_HP; - s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - - HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; - s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - - HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab); + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab); s = &hal->srng_config[HAL_CE_DST]; s->max_rings = 12; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_BASE_LSB; - s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_HP; - s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; - s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); s = &hal->srng_config[HAL_CE_DST_STATUS]; s->max_rings = 12; - s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_BASE_LSB; - s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_STATUS_RING_HP; - s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; - s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - - HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab); s = &hal->srng_config[HAL_WBM_IDLE_LINK]; s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_BASE_LSB(ab); @@ -1756,7 +1756,7 @@ static void ath12k_hal_srng_src_hw_init(struct ath12k_base *ab, HAL_TCL1_RING_BASE_MSB_RING_BASE_ADDR_MSB) | u32_encode_bits((srng->entry_size * srng->num_entries), HAL_TCL1_RING_BASE_MSB_RING_SIZE); - ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET, val); + ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET(ab), val); val = u32_encode_bits(srng->entry_size, HAL_REO1_RING_ID_ENTRY_SIZE); ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_ID_OFFSET(ab), val); diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h index 94e2e8735958..1ce97f9a92ac 100644 --- a/drivers/net/wireless/ath/ath12k/hal.h +++ b/drivers/net/wireless/ath/ath12k/hal.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_HAL_H @@ -44,10 +44,14 @@ struct ath12k_base; #define HAL_SEQ_WCSS_UMAC_OFFSET 0x00a00000 #define HAL_SEQ_WCSS_UMAC_REO_REG 0x00a38000 #define HAL_SEQ_WCSS_UMAC_TCL_REG 0x00a44000 -#define HAL_SEQ_WCSS_UMAC_CE0_SRC_REG 0x01b80000 -#define HAL_SEQ_WCSS_UMAC_CE0_DST_REG 0x01b81000 -#define HAL_SEQ_WCSS_UMAC_CE1_SRC_REG 0x01b82000 -#define HAL_SEQ_WCSS_UMAC_CE1_DST_REG 0x01b83000 +#define HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) \ + ((ab)->hw_params->regs->hal_umac_ce0_src_reg_base) +#define HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) \ + ((ab)->hw_params->regs->hal_umac_ce0_dest_reg_base) +#define HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) \ + ((ab)->hw_params->regs->hal_umac_ce1_src_reg_base) +#define HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) \ + ((ab)->hw_params->regs->hal_umac_ce1_dest_reg_base) #define HAL_SEQ_WCSS_UMAC_WBM_REG 0x00a34000 #define HAL_CE_WFSS_CE_REG_BASE 0x01b80000 @@ -57,8 +61,10 @@ struct ath12k_base; /* SW2TCL(x) R0 ring configuration address */ #define HAL_TCL1_RING_CMN_CTRL_REG 0x00000020 #define HAL_TCL1_RING_DSCP_TID_MAP 0x00000240 -#define HAL_TCL1_RING_BASE_LSB 0x00000900 -#define HAL_TCL1_RING_BASE_MSB 0x00000904 +#define HAL_TCL1_RING_BASE_LSB(ab) \ + ((ab)->hw_params->regs->hal_tcl1_ring_base_lsb) +#define HAL_TCL1_RING_BASE_MSB(ab) \ + ((ab)->hw_params->regs->hal_tcl1_ring_base_msb) #define HAL_TCL1_RING_ID(ab) ((ab)->hw_params->regs->hal_tcl1_ring_id) #define HAL_TCL1_RING_MISC(ab) \ ((ab)->hw_params->regs->hal_tcl1_ring_misc) @@ -76,30 +82,31 @@ struct ath12k_base; ((ab)->hw_params->regs->hal_tcl1_ring_msi1_base_msb) #define HAL_TCL1_RING_MSI1_DATA(ab) \ ((ab)->hw_params->regs->hal_tcl1_ring_msi1_data) -#define HAL_TCL2_RING_BASE_LSB 0x00000978 +#define HAL_TCL2_RING_BASE_LSB(ab) \ + ((ab)->hw_params->regs->hal_tcl2_ring_base_lsb) #define HAL_TCL_RING_BASE_LSB(ab) \ ((ab)->hw_params->regs->hal_tcl_ring_base_lsb) -#define HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET(ab) \ - (HAL_TCL1_RING_MSI1_BASE_LSB(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_MSI1_BASE_MSB_OFFSET(ab) \ - (HAL_TCL1_RING_MSI1_BASE_MSB(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_MSI1_DATA_OFFSET(ab) \ - (HAL_TCL1_RING_MSI1_DATA(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_BASE_MSB_OFFSET \ - (HAL_TCL1_RING_BASE_MSB - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_ID_OFFSET(ab) \ - (HAL_TCL1_RING_ID(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_CONSR_INT_SETUP_IX0_OFFSET(ab) \ - (HAL_TCL1_RING_CONSUMER_INT_SETUP_IX0(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_CONSR_INT_SETUP_IX1_OFFSET(ab) \ - (HAL_TCL1_RING_CONSUMER_INT_SETUP_IX1(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_TP_ADDR_LSB_OFFSET(ab) \ - (HAL_TCL1_RING_TP_ADDR_LSB(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_TP_ADDR_MSB_OFFSET(ab) \ - (HAL_TCL1_RING_TP_ADDR_MSB(ab) - HAL_TCL1_RING_BASE_LSB) -#define HAL_TCL1_RING_MISC_OFFSET(ab) \ - (HAL_TCL1_RING_MISC(ab) - HAL_TCL1_RING_BASE_LSB) +#define HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_MSI1_BASE_LSB(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_MSI1_BASE_MSB_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_MSI1_BASE_MSB(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_MSI1_DATA_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_MSI1_DATA(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_BASE_MSB_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_BASE_MSB(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_ID_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_ID(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_CONSR_INT_SETUP_IX0_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_CONSUMER_INT_SETUP_IX0(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_CONSR_INT_SETUP_IX1_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_CONSUMER_INT_SETUP_IX1(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_TP_ADDR_LSB_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_TP_ADDR_LSB(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_TP_ADDR_MSB_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_TP_ADDR_MSB(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) +#define HAL_TCL1_RING_MISC_OFFSET(ab) ({ typeof(ab) _ab = (ab); \ + (HAL_TCL1_RING_MISC(_ab) - HAL_TCL1_RING_BASE_LSB(_ab)); }) /* SW2TCL(x) R2 ring pointers (head/tail) address */ #define HAL_TCL1_RING_HP 0x00002000 diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index a106ebed7870..4c9d6c42fbb9 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include @@ -619,6 +619,9 @@ static const struct ath12k_hw_regs qcn9274_v1_regs = { .hal_tcl1_ring_msi1_base_msb = 0x0000094c, .hal_tcl1_ring_msi1_data = 0x00000950, .hal_tcl_ring_base_lsb = 0x00000b58, + .hal_tcl1_ring_base_lsb = 0x00000900, + .hal_tcl1_ring_base_msb = 0x00000904, + .hal_tcl2_ring_base_lsb = 0x00000978, /* TCL STATUS ring address */ .hal_tcl_status_ring_base_lsb = 0x00000d38, @@ -681,6 +684,12 @@ static const struct ath12k_hw_regs qcn9274_v1_regs = { /* REO status ring address */ .hal_reo_status_ring_base = 0x00000a84, + + /* CE base address */ + .hal_umac_ce0_src_reg_base = 0x01b80000, + .hal_umac_ce0_dest_reg_base = 0x01b81000, + .hal_umac_ce1_src_reg_base = 0x01b82000, + .hal_umac_ce1_dest_reg_base = 0x01b83000, }; static const struct ath12k_hw_regs qcn9274_v2_regs = { @@ -695,6 +704,9 @@ static const struct ath12k_hw_regs qcn9274_v2_regs = { .hal_tcl1_ring_msi1_base_msb = 0x0000094c, .hal_tcl1_ring_msi1_data = 0x00000950, .hal_tcl_ring_base_lsb = 0x00000b58, + .hal_tcl1_ring_base_lsb = 0x00000900, + .hal_tcl1_ring_base_msb = 0x00000904, + .hal_tcl2_ring_base_lsb = 0x00000978, /* TCL STATUS ring address */ .hal_tcl_status_ring_base_lsb = 0x00000d38, @@ -761,6 +773,12 @@ static const struct ath12k_hw_regs qcn9274_v2_regs = { /* REO status ring address */ .hal_reo_status_ring_base = 0x00000aa0, + + /* CE base address */ + .hal_umac_ce0_src_reg_base = 0x01b80000, + .hal_umac_ce0_dest_reg_base = 0x01b81000, + .hal_umac_ce1_src_reg_base = 0x01b82000, + .hal_umac_ce1_dest_reg_base = 0x01b83000, }; static const struct ath12k_hw_regs wcn7850_regs = { @@ -775,6 +793,9 @@ static const struct ath12k_hw_regs wcn7850_regs = { .hal_tcl1_ring_msi1_base_msb = 0x0000094c, .hal_tcl1_ring_msi1_data = 0x00000950, .hal_tcl_ring_base_lsb = 0x00000b58, + .hal_tcl1_ring_base_lsb = 0x00000900, + .hal_tcl1_ring_base_msb = 0x00000904, + .hal_tcl2_ring_base_lsb = 0x00000978, /* TCL STATUS ring address */ .hal_tcl_status_ring_base_lsb = 0x00000d38, @@ -837,6 +858,12 @@ static const struct ath12k_hw_regs wcn7850_regs = { /* REO status ring address */ .hal_reo_status_ring_base = 0x00000a84, + + /* CE base address */ + .hal_umac_ce0_src_reg_base = 0x01b80000, + .hal_umac_ce0_dest_reg_base = 0x01b81000, + .hal_umac_ce1_src_reg_base = 0x01b82000, + .hal_umac_ce1_dest_reg_base = 0x01b83000, }; static const struct ath12k_hw_hal_params ath12k_hw_hal_params_qcn9274 = { diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index 8d52182e28ae..acb81b5798ac 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_HW_H @@ -293,6 +293,9 @@ struct ath12k_hw_regs { u32 hal_tcl1_ring_msi1_base_msb; u32 hal_tcl1_ring_msi1_data; u32 hal_tcl_ring_base_lsb; + u32 hal_tcl1_ring_base_lsb; + u32 hal_tcl1_ring_base_msb; + u32 hal_tcl2_ring_base_lsb; u32 hal_tcl_status_ring_base_lsb; @@ -316,6 +319,11 @@ struct ath12k_hw_regs { u32 pcie_qserdes_sysclk_en_sel; u32 pcie_pcs_osc_dtct_config_base; + u32 hal_umac_ce0_src_reg_base; + u32 hal_umac_ce0_dest_reg_base; + u32 hal_umac_ce1_src_reg_base; + u32 hal_umac_ce1_dest_reg_base; + u32 hal_ppe_rel_ring_base; u32 hal_reo2_ring_base; From 5fa2fab69f59da8eaf9cbb53fd89727c750b14cf Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Fri, 21 Mar 2025 16:22:41 +0530 Subject: [PATCH 011/104] wifi: ath12k: add ath12k_hw_params for IPQ5332 Add ath12k_hw_params for new ath12k AHB based WiFi device IPQ5332. Some hardware parameters like hw_ops, wmi_init & hal_ops are same between IPQ5332 and QCN9274, hence use these same parameters for IPQ5332. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Co-developed-by: P Praneesh Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-4-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ce.c | 92 +++++- drivers/net/wireless/ath/ath12k/ce.h | 1 + drivers/net/wireless/ath/ath12k/core.h | 3 +- drivers/net/wireless/ath/ath12k/hw.c | 415 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/qmi.h | 3 +- 5 files changed, 511 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ce.c b/drivers/net/wireless/ath/ath12k/ce.c index be0d669d31fc..7a5656aceebe 100644 --- a/drivers/net/wireless/ath/ath12k/ce.c +++ b/drivers/net/wireless/ath/ath12k/ce.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2022, 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "dp_rx.h" @@ -219,6 +219,96 @@ const struct ce_attr ath12k_host_ce_config_wcn7850[] = { }; +const struct ce_attr ath12k_host_ce_config_ipq5332[] = { + /* CE0: host->target HTC control and raw streams */ + { + .flags = CE_ATTR_FLAGS, + .src_nentries = 16, + .src_sz_max = 2048, + .dest_nentries = 0, + }, + /* CE1: target->host HTT + HTC control */ + { + .flags = CE_ATTR_FLAGS, + .src_nentries = 0, + .src_sz_max = 2048, + .dest_nentries = 512, + .recv_cb = ath12k_htc_rx_completion_handler, + }, + /* CE2: target->host WMI */ + { + .flags = CE_ATTR_FLAGS, + .src_nentries = 0, + .src_sz_max = 2048, + .dest_nentries = 128, + .recv_cb = ath12k_htc_rx_completion_handler, + }, + /* CE3: host->target WMI */ + { + .flags = CE_ATTR_FLAGS, + .src_nentries = 32, + .src_sz_max = 2048, + .dest_nentries = 0, + }, + /* CE4: host->target HTT */ + { + .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR, + .src_nentries = 2048, + .src_sz_max = 256, + .dest_nentries = 0, + }, + /* CE5: target -> host PKTLOG */ + { + .flags = CE_ATTR_FLAGS, + .src_nentries = 0, + .src_sz_max = 2048, + .dest_nentries = 512, + .recv_cb = ath12k_dp_htt_htc_t2h_msg_handler, + }, + /* CE6: Target autonomous HIF_memcpy */ + { + .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR, + .src_nentries = 0, + .src_sz_max = 0, + .dest_nentries = 0, + }, + /* CE7: CV Prefetch */ + { + .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR, + .src_nentries = 0, + .src_sz_max = 0, + .dest_nentries = 0, + }, + /* CE8: Target HIF memcpy (Generic HIF memcypy) */ + { + .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR, + .src_nentries = 0, + .src_sz_max = 0, + .dest_nentries = 0, + }, + /* CE9: WMI logging/CFR/Spectral/Radar */ + { + .flags = CE_ATTR_FLAGS, + .src_nentries = 0, + .src_sz_max = 2048, + .dest_nentries = 128, + }, + /* CE10: Unused */ + { + .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR, + .src_nentries = 0, + .src_sz_max = 0, + .dest_nentries = 0, + }, + /* CE11: Unused */ + { + .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR, + .src_nentries = 0, + .src_sz_max = 0, + .dest_nentries = 0, + }, +}; + static int ath12k_ce_rx_buf_enqueue_pipe(struct ath12k_ce_pipe *pipe, struct sk_buff *skb, dma_addr_t paddr) { diff --git a/drivers/net/wireless/ath/ath12k/ce.h b/drivers/net/wireless/ath/ath12k/ce.h index f85188af5de2..8007a94cec5d 100644 --- a/drivers/net/wireless/ath/ath12k/ce.h +++ b/drivers/net/wireless/ath/ath12k/ce.h @@ -164,6 +164,7 @@ struct ath12k_ce { extern const struct ce_attr ath12k_host_ce_config_qcn9274[]; extern const struct ce_attr ath12k_host_ce_config_wcn7850[]; +extern const struct ce_attr ath12k_host_ce_config_ipq5332[]; void ath12k_ce_cleanup_pipes(struct ath12k_base *ab); void ath12k_ce_rx_replenish_retry(struct timer_list *t); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 4675648c7bcb..c1927a328831 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -147,7 +147,8 @@ struct ath12k_skb_rxcb { enum ath12k_hw_rev { ATH12K_HW_QCN9274_HW10, ATH12K_HW_QCN9274_HW20, - ATH12K_HW_WCN7850_HW20 + ATH12K_HW_WCN7850_HW20, + ATH12K_HW_IPQ5332_HW10, }; enum ath12k_firmware_mode { diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 4c9d6c42fbb9..86c4ce143169 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -535,6 +535,217 @@ static const struct service_to_pipe ath12k_target_service_to_ce_map_wlan_wcn7850 }, }; +static const struct ce_pipe_config ath12k_target_ce_config_wlan_ipq5332[] = { + /* host->target HTC control and raw streams */ + { + .pipenum = __cpu_to_le32(0), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* target->host HTT */ + { + .pipenum = __cpu_to_le32(1), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* target->host WMI + HTC control */ + { + .pipenum = __cpu_to_le32(2), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* host->target WMI */ + { + .pipenum = __cpu_to_le32(3), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* host->target HTT */ + { + .pipenum = __cpu_to_le32(4), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(256), + .nbytes_max = __cpu_to_le32(256), + .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR), + .reserved = __cpu_to_le32(0), + }, + /* Target -> host PKTLOG */ + { + .pipenum = __cpu_to_le32(5), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* Reserved for target autonomous HIF_memcpy */ + { + .pipenum = __cpu_to_le32(6), + .pipedir = __cpu_to_le32(PIPEDIR_INOUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(16384), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* CE7 Reserved for CV Prefetch */ + { + .pipenum = __cpu_to_le32(7), + .pipedir = __cpu_to_le32(PIPEDIR_OUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* CE8 Reserved for target generic HIF memcpy */ + { + .pipenum = __cpu_to_le32(8), + .pipedir = __cpu_to_le32(PIPEDIR_INOUT), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(16384), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* CE9 WMI logging/CFR/Spectral/Radar/ */ + { + .pipenum = __cpu_to_le32(9), + .pipedir = __cpu_to_le32(PIPEDIR_IN), + .nentries = __cpu_to_le32(32), + .nbytes_max = __cpu_to_le32(2048), + .flags = __cpu_to_le32(CE_ATTR_FLAGS), + .reserved = __cpu_to_le32(0), + }, + /* Unused TBD */ + { + .pipenum = __cpu_to_le32(10), + .pipedir = __cpu_to_le32(PIPEDIR_NONE), + .nentries = __cpu_to_le32(0), + .nbytes_max = __cpu_to_le32(0), + .flags = __cpu_to_le32(0), + .reserved = __cpu_to_le32(0), + }, + /* Unused TBD */ + { + .pipenum = __cpu_to_le32(11), + .pipedir = __cpu_to_le32(PIPEDIR_NONE), + .nentries = __cpu_to_le32(0), + .nbytes_max = __cpu_to_le32(0), + .flags = __cpu_to_le32(0), + .reserved = __cpu_to_le32(0), + }, +}; + +static const struct service_to_pipe ath12k_target_service_to_ce_map_wlan_ipq5332[] = { + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_VO), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_VO), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_BK), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_BK), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_BE), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_BE), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_VI), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_DATA_VI), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_CONTROL), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(3), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_CONTROL), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(2), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_RSVD_CTRL), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(0), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_RSVD_CTRL), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(1), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_TEST_RAW_STREAMS), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(0), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_TEST_RAW_STREAMS), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(1), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_HTT_DATA_MSG), + __cpu_to_le32(PIPEDIR_OUT), + __cpu_to_le32(4), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_HTT_DATA_MSG), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(1), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_PKT_LOG), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(5), + }, + { + __cpu_to_le32(ATH12K_HTC_SVC_ID_WMI_CONTROL_DIAG), + __cpu_to_le32(PIPEDIR_IN), + __cpu_to_le32(9), + }, + /* (Additions here) */ + + { /* must be last */ + __cpu_to_le32(0), + __cpu_to_le32(0), + __cpu_to_le32(0), + }, +}; + static const struct ath12k_hw_ring_mask ath12k_hw_ring_mask_qcn9274 = { .tx = { ATH12K_TX_RING_MASK_0, @@ -577,6 +788,46 @@ static const struct ath12k_hw_ring_mask ath12k_hw_ring_mask_qcn9274 = { }, }; +static const struct ath12k_hw_ring_mask ath12k_hw_ring_mask_ipq5332 = { + .tx = { + ATH12K_TX_RING_MASK_0, + ATH12K_TX_RING_MASK_1, + ATH12K_TX_RING_MASK_2, + ATH12K_TX_RING_MASK_3, + }, + .rx_mon_dest = { + 0, 0, 0, 0, 0, 0, 0, 0, + ATH12K_RX_MON_RING_MASK_0, + }, + .rx = { + 0, 0, 0, 0, + ATH12K_RX_RING_MASK_0, + ATH12K_RX_RING_MASK_1, + ATH12K_RX_RING_MASK_2, + ATH12K_RX_RING_MASK_3, + }, + .rx_err = { + 0, 0, 0, + ATH12K_RX_ERR_RING_MASK_0, + }, + .rx_wbm_rel = { + 0, 0, 0, + ATH12K_RX_WBM_REL_RING_MASK_0, + }, + .reo_status = { + 0, 0, 0, + ATH12K_REO_STATUS_RING_MASK_0, + }, + .host2rxdma = { + 0, 0, 0, + ATH12K_HOST2RXDMA_RING_MASK_0, + }, + .tx_mon_dest = { + ATH12K_TX_MON_RING_MASK_0, + ATH12K_TX_MON_RING_MASK_1, + }, +}; + static const struct ath12k_hw_ring_mask ath12k_hw_ring_mask_wcn7850 = { .tx = { ATH12K_TX_RING_MASK_0, @@ -781,6 +1032,90 @@ static const struct ath12k_hw_regs qcn9274_v2_regs = { .hal_umac_ce1_dest_reg_base = 0x01b83000, }; +static const struct ath12k_hw_regs ipq5332_regs = { + /* SW2TCL(x) R0 ring configuration address */ + .hal_tcl1_ring_id = 0x00000918, + .hal_tcl1_ring_misc = 0x00000920, + .hal_tcl1_ring_tp_addr_lsb = 0x0000092c, + .hal_tcl1_ring_tp_addr_msb = 0x00000930, + .hal_tcl1_ring_consumer_int_setup_ix0 = 0x00000940, + .hal_tcl1_ring_consumer_int_setup_ix1 = 0x00000944, + .hal_tcl1_ring_msi1_base_lsb = 0x00000958, + .hal_tcl1_ring_msi1_base_msb = 0x0000095c, + .hal_tcl1_ring_base_lsb = 0x00000910, + .hal_tcl1_ring_base_msb = 0x00000914, + .hal_tcl1_ring_msi1_data = 0x00000960, + .hal_tcl2_ring_base_lsb = 0x00000988, + .hal_tcl_ring_base_lsb = 0x00000b68, + + /* TCL STATUS ring address */ + .hal_tcl_status_ring_base_lsb = 0x00000d48, + + /* REO DEST ring address */ + .hal_reo2_ring_base = 0x00000578, + .hal_reo1_misc_ctrl_addr = 0x00000b9c, + .hal_reo1_sw_cookie_cfg0 = 0x0000006c, + .hal_reo1_sw_cookie_cfg1 = 0x00000070, + .hal_reo1_qdesc_lut_base0 = 0x00000074, + .hal_reo1_qdesc_lut_base1 = 0x00000078, + .hal_reo1_ring_base_lsb = 0x00000500, + .hal_reo1_ring_base_msb = 0x00000504, + .hal_reo1_ring_id = 0x00000508, + .hal_reo1_ring_misc = 0x00000510, + .hal_reo1_ring_hp_addr_lsb = 0x00000514, + .hal_reo1_ring_hp_addr_msb = 0x00000518, + .hal_reo1_ring_producer_int_setup = 0x00000524, + .hal_reo1_ring_msi1_base_lsb = 0x00000548, + .hal_reo1_ring_msi1_base_msb = 0x0000054C, + .hal_reo1_ring_msi1_data = 0x00000550, + .hal_reo1_aging_thres_ix0 = 0x00000B28, + .hal_reo1_aging_thres_ix1 = 0x00000B2C, + .hal_reo1_aging_thres_ix2 = 0x00000B30, + .hal_reo1_aging_thres_ix3 = 0x00000B34, + + /* REO Exception ring address */ + .hal_reo2_sw0_ring_base = 0x000008c0, + + /* REO Reinject ring address */ + .hal_sw2reo_ring_base = 0x00000320, + .hal_sw2reo1_ring_base = 0x00000398, + + /* REO cmd ring address */ + .hal_reo_cmd_ring_base = 0x000002A8, + + /* REO status ring address */ + .hal_reo_status_ring_base = 0x00000aa0, + + /* WBM idle link ring address */ + .hal_wbm_idle_ring_base_lsb = 0x00000d3c, + .hal_wbm_idle_ring_misc_addr = 0x00000d4c, + .hal_wbm_r0_idle_list_cntl_addr = 0x00000240, + .hal_wbm_r0_idle_list_size_addr = 0x00000244, + .hal_wbm_scattered_ring_base_lsb = 0x00000250, + .hal_wbm_scattered_ring_base_msb = 0x00000254, + .hal_wbm_scattered_desc_head_info_ix0 = 0x00000260, + .hal_wbm_scattered_desc_head_info_ix1 = 0x00000264, + .hal_wbm_scattered_desc_tail_info_ix0 = 0x00000270, + .hal_wbm_scattered_desc_tail_info_ix1 = 0x00000274, + .hal_wbm_scattered_desc_ptr_hp_addr = 0x0000027c, + + /* SW2WBM release ring address */ + .hal_wbm_sw_release_ring_base_lsb = 0x0000037c, + + /* WBM2SW release ring address */ + .hal_wbm0_release_ring_base_lsb = 0x00000e08, + .hal_wbm1_release_ring_base_lsb = 0x00000e80, + + /* PPE release ring address */ + .hal_ppe_rel_ring_base = 0x0000046c, + + /* CE address */ + .hal_umac_ce0_src_reg_base = 0x00740000, + .hal_umac_ce0_dest_reg_base = 0x00741000, + .hal_umac_ce1_src_reg_base = 0x00742000, + .hal_umac_ce1_dest_reg_base = 0x00743000, +}; + static const struct ath12k_hw_regs wcn7850_regs = { /* SW2TCL(x) R0 ring configuration address */ .hal_tcl1_ring_id = 0x00000908, @@ -883,6 +1218,15 @@ static const struct ath12k_hw_hal_params ath12k_hw_hal_params_wcn7850 = { HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW4_EN, }; +static const struct ath12k_hw_hal_params ath12k_hw_hal_params_ipq5332 = { + .rx_buf_rbm = HAL_RX_BUF_RBM_SW3_BM, + .wbm2sw_cc_enable = HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW0_EN | + HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW1_EN | + HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW2_EN | + HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW3_EN | + HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW4_EN, +}; + static const struct ath12k_hw_params ath12k_hw_params[] = { { .name = "qcn9274 hw1.0", @@ -1116,6 +1460,77 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .supports_aspm = false, }, + { + .name = "ipq5332 hw1.0", + .hw_rev = ATH12K_HW_IPQ5332_HW10, + .fw = { + .dir = "IPQ5332/hw1.0", + .board_size = 256 * 1024, + .cal_offset = 128 * 1024, + }, + .max_radios = 1, + .single_pdev_only = false, + .qmi_service_ins_id = ATH12K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ5332, + .internal_sleep_clock = false, + + .hw_ops = &qcn9274_ops, + .regs = &ipq5332_regs, + .ring_mask = &ath12k_hw_ring_mask_ipq5332, + + .host_ce_config = ath12k_host_ce_config_ipq5332, + .ce_count = 12, + .target_ce_config = ath12k_target_ce_config_wlan_ipq5332, + .target_ce_count = 12, + .svc_to_ce_map = ath12k_target_service_to_ce_map_wlan_ipq5332, + .svc_to_ce_map_len = 18, + + .hal_params = &ath12k_hw_hal_params_ipq5332, + + .rxdma1_enable = false, + .num_rxdma_per_pdev = 1, + .num_rxdma_dst_ring = 0, + .rx_mac_buf_ring = false, + .vdev_start_delay = false, + + .interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MESH_POINT), + .supports_monitor = false, + + .idle_ps = false, + .download_calib = true, + .supports_suspend = false, + .tcl_ring_retry = true, + .reoq_lut_support = false, + .supports_shadow_regs = false, + + .num_tcl_banks = 48, + .max_tx_ring = 4, + + .wmi_init = &ath12k_wmi_init_qcn9274, + + .hal_ops = &hal_qcn9274_ops, + + .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01), + + .rfkill_pin = 0, + .rfkill_cfg = 0, + .rfkill_on_level = 0, + + .rddm_size = 0, + + .def_num_link = 0, + .max_mlo_peer = 256, + + .otp_board_id_register = 0, + + .supports_sta_ps = false, + + .acpi_guid = NULL, + .supports_dynamic_smps_6ghz = false, + .iova_mask = 0, + .supports_aspm = false, + }, }; int ath12k_hw_init(struct ath12k_base *ab) diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h index 45d7c3fcafdd..7c44ced22c6f 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.h +++ b/drivers/net/wireless/ath/ath12k/qmi.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_QMI_H @@ -21,6 +21,7 @@ #define ATH12K_QMI_WLFW_SERVICE_INS_ID_V01_WCN7850 0x1 #define ATH12K_QMI_WLFW_SERVICE_INS_ID_V01_QCN9274 0x07 +#define ATH12K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ5332 0x2 #define ATH12K_QMI_WLANFW_MAX_TIMESTAMP_LEN_V01 32 #define ATH12K_QMI_RESP_LEN_MAX 8192 #define ATH12K_QMI_WLANFW_MAX_NUM_MEM_SEG_V01 52 From 11794f8540043c230ec4bf57ee1227e765ab52ab Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Fri, 21 Mar 2025 16:22:42 +0530 Subject: [PATCH 012/104] wifi: ath12k: avoid m3 firmware download in AHB device IPQ5332 Current ath12k devices, QCN9274 and WCN7850, supports m3.bin firmware download through ath12k driver. The new ath12k AHB based device IPQ5332 supports m3 firmware download through remoteproc driver. Hence, add new parameter (fw.m3_loader) in ath12k_hw_params to avoid m3 firmware download in IPQ5332. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Co-developed-by: P Praneesh Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-5-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/hw.c | 4 ++++ drivers/net/wireless/ath/ath12k/hw.h | 6 ++++++ drivers/net/wireless/ath/ath12k/qmi.c | 28 ++++++++++++++++----------- 3 files changed, 27 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 86c4ce143169..84f542c02c94 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1235,6 +1235,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .dir = "QCN9274/hw1.0", .board_size = 256 * 1024, .cal_offset = 128 * 1024, + .m3_loader = ath12k_m3_fw_loader_driver, }, .max_radios = 1, .single_pdev_only = false, @@ -1312,6 +1313,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .dir = "WCN7850/hw2.0", .board_size = 256 * 1024, .cal_offset = 256 * 1024, + .m3_loader = ath12k_m3_fw_loader_driver, }, .max_radios = 1, @@ -1391,6 +1393,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .dir = "QCN9274/hw2.0", .board_size = 256 * 1024, .cal_offset = 128 * 1024, + .m3_loader = ath12k_m3_fw_loader_driver, }, .max_radios = 2, .single_pdev_only = false, @@ -1467,6 +1470,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .dir = "IPQ5332/hw1.0", .board_size = 256 * 1024, .cal_offset = 128 * 1024, + .m3_loader = ath12k_m3_fw_loader_remoteproc, }, .max_radios = 1, .single_pdev_only = false, diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index acb81b5798ac..fbe1aec475ce 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -146,6 +146,11 @@ struct ath12k_hw_hal_params { u32 wbm2sw_cc_enable; }; +enum ath12k_m3_fw_loaders { + ath12k_m3_fw_loader_driver, + ath12k_m3_fw_loader_remoteproc, +}; + struct ath12k_hw_params { const char *name; u16 hw_rev; @@ -154,6 +159,7 @@ struct ath12k_hw_params { const char *dir; size_t board_size; size_t cal_offset; + enum ath12k_m3_fw_loaders m3_loader; } fw; u8 max_radios; diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index 348dbc81bad8..6978200fb79a 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2168,10 +2168,12 @@ int ath12k_qmi_host_cap_send(struct ath12k_base *ab) req.bdf_support_valid = 1; req.bdf_support = 1; - req.m3_support_valid = 1; - req.m3_support = 1; - req.m3_cache_support_valid = 1; - req.m3_cache_support = 1; + if (ab->hw_params->fw.m3_loader == ath12k_m3_fw_loader_driver) { + req.m3_support_valid = 1; + req.m3_support = 1; + req.m3_cache_support_valid = 1; + req.m3_cache_support = 1; + } req.cal_done_valid = 1; req.cal_done = ab->qmi.cal_done; @@ -2939,6 +2941,9 @@ static void ath12k_qmi_m3_free(struct ath12k_base *ab) { struct m3_mem_region *m3_mem = &ab->qmi.m3_mem; + if (ab->hw_params->fw.m3_loader == ath12k_m3_fw_loader_remoteproc) + return; + if (!m3_mem->vaddr) return; @@ -3019,15 +3024,16 @@ int ath12k_qmi_wlanfw_m3_info_send(struct ath12k_base *ab) struct qmi_txn txn; int ret = 0; - ret = ath12k_qmi_m3_load(ab); - if (ret) { - ath12k_err(ab, "failed to load m3 firmware: %d", ret); - return ret; + if (ab->hw_params->fw.m3_loader == ath12k_m3_fw_loader_driver) { + ret = ath12k_qmi_m3_load(ab); + if (ret) { + ath12k_err(ab, "failed to load m3 firmware: %d", ret); + return ret; + } + req.addr = m3_mem->paddr; + req.size = m3_mem->size; } - req.addr = m3_mem->paddr; - req.size = m3_mem->size; - ret = qmi_txn_init(&ab->qmi.handle, &txn, qmi_wlanfw_m3_info_resp_msg_v01_ei, &resp); if (ret < 0) From 12070392be0b39d5305a235401d3ff9f03fdba13 Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Fri, 21 Mar 2025 16:22:43 +0530 Subject: [PATCH 013/104] wifi: ath12k: Add hw_params to remap CE register space for IPQ5332 For IPQ5332 CE register space is moved out of WCSS region and the space is not contiguous. Hence, add hardware params (ce_ie_addr & ce_remap) for IPQ5332. These parameters would be used by Ath12k AHB driver (in subsequent patches) to remap the CE registers to a new space for accessing them. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Co-developed-by: P Praneesh Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-6-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ce.h | 11 ++++++++ drivers/net/wireless/ath/ath12k/core.h | 4 +++ drivers/net/wireless/ath/ath12k/hal.h | 4 +++ drivers/net/wireless/ath/ath12k/hw.c | 35 +++++++++++++++++++++++--- drivers/net/wireless/ath/ath12k/hw.h | 3 +++ 5 files changed, 53 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ce.h b/drivers/net/wireless/ath/ath12k/ce.h index 8007a94cec5d..57f75899ee03 100644 --- a/drivers/net/wireless/ath/ath12k/ce.h +++ b/drivers/net/wireless/ath/ath12k/ce.h @@ -76,6 +76,17 @@ struct ce_pipe_config { __le32 reserved; }; +struct ce_ie_addr { + u32 ie1_reg_addr; + u32 ie2_reg_addr; + u32 ie3_reg_addr; +}; + +struct ce_remap { + u32 base; + u32 size; +}; + struct ce_attr { /* CE_ATTR_* values */ unsigned int flags; diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index c1927a328831..b080870b39a0 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -924,6 +924,10 @@ struct ath12k_base { void __iomem *mem; unsigned long mem_len; + void __iomem *mem_ce; + u32 ce_remap_base_addr; + bool ce_remap; + struct { enum ath12k_bus bus; const struct ath12k_hif_ops *ops; diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h index 1ce97f9a92ac..47ff0b1bfdf4 100644 --- a/drivers/net/wireless/ath/ath12k/hal.h +++ b/drivers/net/wireless/ath/ath12k/hal.h @@ -11,6 +11,7 @@ #include "rx_desc.h" struct ath12k_base; +#define HAL_CE_REMAP_REG_BASE (ab->ce_remap_base_addr) #define HAL_LINK_DESC_SIZE (32 << 2) #define HAL_LINK_DESC_ALIGN 128 @@ -372,6 +373,9 @@ struct ath12k_base; * ath12k_hal_rx_desc_get_err(). */ +#define HAL_IPQ5332_CE_WFSS_REG_BASE 0x740000 +#define HAL_IPQ5332_CE_SIZE 0x100000 + enum hal_srng_ring_id { HAL_SRNG_RING_ID_REO2SW0 = 0, HAL_SRNG_RING_ID_REO2SW1, diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 84f542c02c94..91aecca566a4 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1110,10 +1110,14 @@ static const struct ath12k_hw_regs ipq5332_regs = { .hal_ppe_rel_ring_base = 0x0000046c, /* CE address */ - .hal_umac_ce0_src_reg_base = 0x00740000, - .hal_umac_ce0_dest_reg_base = 0x00741000, - .hal_umac_ce1_src_reg_base = 0x00742000, - .hal_umac_ce1_dest_reg_base = 0x00743000, + .hal_umac_ce0_src_reg_base = 0x00740000 - + HAL_IPQ5332_CE_WFSS_REG_BASE, + .hal_umac_ce0_dest_reg_base = 0x00741000 - + HAL_IPQ5332_CE_WFSS_REG_BASE, + .hal_umac_ce1_src_reg_base = 0x00742000 - + HAL_IPQ5332_CE_WFSS_REG_BASE, + .hal_umac_ce1_dest_reg_base = 0x00743000 - + HAL_IPQ5332_CE_WFSS_REG_BASE, }; static const struct ath12k_hw_regs wcn7850_regs = { @@ -1227,6 +1231,17 @@ static const struct ath12k_hw_hal_params ath12k_hw_hal_params_ipq5332 = { HAL_WBM_SW_COOKIE_CONV_CFG_WBM2SW4_EN, }; +static const struct ce_ie_addr ath12k_ce_ie_addr_ipq5332 = { + .ie1_reg_addr = CE_HOST_IE_ADDRESS - HAL_IPQ5332_CE_WFSS_REG_BASE, + .ie2_reg_addr = CE_HOST_IE_2_ADDRESS - HAL_IPQ5332_CE_WFSS_REG_BASE, + .ie3_reg_addr = CE_HOST_IE_3_ADDRESS - HAL_IPQ5332_CE_WFSS_REG_BASE, +}; + +static const struct ce_remap ath12k_ce_remap_ipq5332 = { + .base = HAL_IPQ5332_CE_WFSS_REG_BASE, + .size = HAL_IPQ5332_CE_SIZE, +}; + static const struct ath12k_hw_params ath12k_hw_params[] = { { .name = "qcn9274 hw1.0", @@ -1304,6 +1319,9 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .iova_mask = 0, .supports_aspm = false, + + .ce_ie_addr = NULL, + .ce_remap = NULL, }, { .name = "wcn7850 hw2.0", @@ -1385,6 +1403,9 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .iova_mask = ATH12K_PCIE_MAX_PAYLOAD_SIZE - 1, .supports_aspm = true, + + .ce_ie_addr = NULL, + .ce_remap = NULL, }, { .name = "qcn9274 hw2.0", @@ -1462,6 +1483,9 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .iova_mask = 0, .supports_aspm = false, + + .ce_ie_addr = NULL, + .ce_remap = NULL, }, { .name = "ipq5332 hw1.0", @@ -1534,6 +1558,9 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .supports_dynamic_smps_6ghz = false, .iova_mask = 0, .supports_aspm = false, + + .ce_ie_addr = &ath12k_ce_ie_addr_ipq5332, + .ce_remap = &ath12k_ce_remap_ipq5332, }, }; diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index fbe1aec475ce..6a75af093f31 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -226,6 +226,9 @@ struct ath12k_hw_params { bool supports_dynamic_smps_6ghz; u32 iova_mask; + + const struct ce_ie_addr *ce_ie_addr; + const struct ce_remap *ce_remap; }; struct ath12k_hw_ops { From 6757079c5890f7168a9bc111b2345209f05ae278 Mon Sep 17 00:00:00 2001 From: Raj Kumar Bhagat Date: Fri, 21 Mar 2025 16:22:44 +0530 Subject: [PATCH 014/104] wifi: ath12k: add support for fixed QMI firmware memory IPQ5332 firmware supports only fixed QMI firmware memory. Hence, add support to read reserved fixed memory region from device-tree and provide the reserved memory segments for firmware to use during QMI firmware memory request. Note that the ability to set the fixed memory will be introduced in a subsequent patch. Currently, the flag remains unset by default, ensuring that existing chipsets are unaffected. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-7-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 25 ++++ drivers/net/wireless/ath/ath12k/core.h | 4 + drivers/net/wireless/ath/ath12k/hw.c | 4 + drivers/net/wireless/ath/ath12k/hw.h | 1 + drivers/net/wireless/ath/ath12k/qmi.c | 182 ++++++++++++++++++++++--- 5 files changed, 200 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 301dea381841..ecac5497e36e 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -612,6 +612,31 @@ u32 ath12k_core_get_max_num_tids(struct ath12k_base *ab) return TARGET_NUM_TIDS(SINGLE); } +struct reserved_mem *ath12k_core_get_reserved_mem(struct ath12k_base *ab, + int index) +{ + struct device *dev = ab->dev; + struct reserved_mem *rmem; + struct device_node *node; + + node = of_parse_phandle(dev->of_node, "memory-region", index); + if (!node) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "failed to parse memory-region for index %d\n", index); + return NULL; + } + + rmem = of_reserved_mem_lookup(node); + of_node_put(node); + if (!rmem) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "unable to get memory-region for index %d\n", index); + return NULL; + } + + return rmem; +} + static void ath12k_core_stop(struct ath12k_base *ab) { ath12k_core_stopped(ab); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index b080870b39a0..3f03e70913cc 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include "qmi.h" @@ -239,6 +240,7 @@ enum ath12k_dev_flags { ATH12K_FLAG_EXT_IRQ_ENABLED, ATH12K_FLAG_QMI_FW_READY_COMPLETE, ATH12K_FLAG_FTM_SEGMENTED, + ATH12K_FLAG_FIXED_MEM_REGION, }; struct ath12k_tx_conf { @@ -1224,6 +1226,8 @@ void ath12k_fw_stats_init(struct ath12k *ar); void ath12k_fw_stats_bcn_free(struct list_head *head); void ath12k_fw_stats_free(struct ath12k_fw_stats *stats); void ath12k_fw_stats_reset(struct ath12k *ar); +struct reserved_mem *ath12k_core_get_reserved_mem(struct ath12k_base *ab, + int index); static inline const char *ath12k_scan_state_str(enum ath12k_scan_state state) { diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 91aecca566a4..b4d5651973b7 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1322,6 +1322,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = NULL, .ce_remap = NULL, + .bdf_addr_offset = 0, }, { .name = "wcn7850 hw2.0", @@ -1406,6 +1407,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = NULL, .ce_remap = NULL, + .bdf_addr_offset = 0, }, { .name = "qcn9274 hw2.0", @@ -1486,6 +1488,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = NULL, .ce_remap = NULL, + .bdf_addr_offset = 0, }, { .name = "ipq5332 hw1.0", @@ -1561,6 +1564,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = &ath12k_ce_ie_addr_ipq5332, .ce_remap = &ath12k_ce_remap_ipq5332, + .bdf_addr_offset = 0xC00000, }, }; diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index 6a75af093f31..5123d2f51865 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -229,6 +229,7 @@ struct ath12k_hw_params { const struct ce_ie_addr *ce_ie_addr; const struct ce_remap *ce_remap; + u32 bdf_addr_offset; }; struct ath12k_hw_ops { diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index 6978200fb79a..7df6c6eebed6 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -11,6 +11,8 @@ #include "debug.h" #include #include +#include +#include #define SLEEP_CLOCK_SELECT_INTERNAL_BIT 0x02 #define HOST_CSTATE_BIT 0x04 @@ -2378,7 +2380,8 @@ int ath12k_qmi_respond_fw_mem_request(struct ath12k_base *ab) * failure to firmware and firmware then request multiple blocks of * small chunk size memory. */ - if (ab->qmi.target_mem_delayed) { + if (!test_bit(ATH12K_FLAG_FIXED_MEM_REGION, &ab->dev_flags) && + ab->qmi.target_mem_delayed) { delayed = true; ath12k_dbg(ab, ATH12K_DBG_QMI, "qmi delays mem_request %d\n", ab->qmi.mem_seg_count); @@ -2442,6 +2445,7 @@ static void ath12k_qmi_free_mlo_mem_chunk(struct ath12k_base *ab, { struct ath12k_hw_group *ag = ab->ag; struct target_mem_chunk *mlo_chunk; + bool fixed_mem; lockdep_assert_held(&ag->mutex); @@ -2453,8 +2457,13 @@ static void ath12k_qmi_free_mlo_mem_chunk(struct ath12k_base *ab, return; } + fixed_mem = test_bit(ATH12K_FLAG_FIXED_MEM_REGION, &ab->dev_flags); mlo_chunk = &ag->mlo_mem.chunk[idx]; - if (mlo_chunk->v.addr) { + + if (fixed_mem && mlo_chunk->v.ioaddr) { + iounmap(mlo_chunk->v.ioaddr); + mlo_chunk->v.ioaddr = NULL; + } else if (mlo_chunk->v.addr) { dma_free_coherent(ab->dev, mlo_chunk->size, mlo_chunk->v.addr, @@ -2464,7 +2473,10 @@ static void ath12k_qmi_free_mlo_mem_chunk(struct ath12k_base *ab, mlo_chunk->paddr = 0; mlo_chunk->size = 0; - chunk->v.addr = NULL; + if (fixed_mem) + chunk->v.ioaddr = NULL; + else + chunk->v.addr = NULL; chunk->paddr = 0; chunk->size = 0; } @@ -2475,19 +2487,24 @@ static void ath12k_qmi_free_target_mem_chunk(struct ath12k_base *ab) int i, mlo_idx; for (i = 0, mlo_idx = 0; i < ab->qmi.mem_seg_count; i++) { - if (!ab->qmi.target_mem[i].v.addr) - continue; - if (ab->qmi.target_mem[i].type == MLO_GLOBAL_MEM_REGION_TYPE) { ath12k_qmi_free_mlo_mem_chunk(ab, &ab->qmi.target_mem[i], mlo_idx++); } else { - dma_free_coherent(ab->dev, - ab->qmi.target_mem[i].prev_size, - ab->qmi.target_mem[i].v.addr, - ab->qmi.target_mem[i].paddr); - ab->qmi.target_mem[i].v.addr = NULL; + if (test_bit(ATH12K_FLAG_FIXED_MEM_REGION, &ab->dev_flags) && + ab->qmi.target_mem[i].v.ioaddr) { + iounmap(ab->qmi.target_mem[i].v.ioaddr); + ab->qmi.target_mem[i].v.ioaddr = NULL; + } else { + if (!ab->qmi.target_mem[i].v.addr) + continue; + dma_free_coherent(ab->dev, + ab->qmi.target_mem[i].prev_size, + ab->qmi.target_mem[i].v.addr, + ab->qmi.target_mem[i].paddr); + ab->qmi.target_mem[i].v.addr = NULL; + } } } @@ -2640,6 +2657,130 @@ static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab) return ret; } +static int ath12k_qmi_assign_target_mem_chunk(struct ath12k_base *ab) +{ + struct reserved_mem *rmem; + size_t avail_rmem_size; + int i, idx, ret; + + for (i = 0, idx = 0; i < ab->qmi.mem_seg_count; i++) { + switch (ab->qmi.target_mem[i].type) { + case HOST_DDR_REGION_TYPE: + rmem = ath12k_core_get_reserved_mem(ab, 0); + if (!rmem) { + ret = -ENODEV; + goto out; + } + + avail_rmem_size = rmem->size; + if (avail_rmem_size < ab->qmi.target_mem[i].size) { + ath12k_dbg(ab, ATH12K_DBG_QMI, + "failed to assign mem type %u req size %u avail size %zu\n", + ab->qmi.target_mem[i].type, + ab->qmi.target_mem[i].size, + avail_rmem_size); + ret = -EINVAL; + goto out; + } + + ab->qmi.target_mem[idx].paddr = rmem->base; + ab->qmi.target_mem[idx].v.ioaddr = + ioremap(ab->qmi.target_mem[idx].paddr, + ab->qmi.target_mem[i].size); + if (!ab->qmi.target_mem[idx].v.ioaddr) { + ret = -EIO; + goto out; + } + ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size; + ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type; + idx++; + break; + case BDF_MEM_REGION_TYPE: + rmem = ath12k_core_get_reserved_mem(ab, 0); + if (!rmem) { + ret = -ENODEV; + goto out; + } + + avail_rmem_size = rmem->size - ab->hw_params->bdf_addr_offset; + if (avail_rmem_size < ab->qmi.target_mem[i].size) { + ath12k_dbg(ab, ATH12K_DBG_QMI, + "failed to assign mem type %u req size %u avail size %zu\n", + ab->qmi.target_mem[i].type, + ab->qmi.target_mem[i].size, + avail_rmem_size); + ret = -EINVAL; + goto out; + } + ab->qmi.target_mem[idx].paddr = + rmem->base + ab->hw_params->bdf_addr_offset; + ab->qmi.target_mem[idx].v.ioaddr = + ioremap(ab->qmi.target_mem[idx].paddr, + ab->qmi.target_mem[i].size); + if (!ab->qmi.target_mem[idx].v.ioaddr) { + ret = -EIO; + goto out; + } + ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size; + ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type; + idx++; + break; + case CALDB_MEM_REGION_TYPE: + /* Cold boot calibration is not enabled in Ath12k. Hence, + * assign paddr = 0. + * Once cold boot calibration is enabled add support to + * assign reserved memory from DT. + */ + ab->qmi.target_mem[idx].paddr = 0; + ab->qmi.target_mem[idx].v.ioaddr = NULL; + ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size; + ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type; + idx++; + break; + case M3_DUMP_REGION_TYPE: + rmem = ath12k_core_get_reserved_mem(ab, 1); + if (!rmem) { + ret = -EINVAL; + goto out; + } + + avail_rmem_size = rmem->size; + if (avail_rmem_size < ab->qmi.target_mem[i].size) { + ath12k_dbg(ab, ATH12K_DBG_QMI, + "failed to assign mem type %u req size %u avail size %zu\n", + ab->qmi.target_mem[i].type, + ab->qmi.target_mem[i].size, + avail_rmem_size); + ret = -EINVAL; + goto out; + } + + ab->qmi.target_mem[idx].paddr = rmem->base; + ab->qmi.target_mem[idx].v.ioaddr = + ioremap(ab->qmi.target_mem[idx].paddr, + ab->qmi.target_mem[i].size); + if (!ab->qmi.target_mem[idx].v.ioaddr) { + ret = -EIO; + goto out; + } + ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size; + ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type; + idx++; + break; + default: + ath12k_warn(ab, "qmi ignore invalid mem req type %u\n", + ab->qmi.target_mem[i].type); + break; + } + } + ab->qmi.mem_seg_count = idx; + + return 0; +out: + ath12k_qmi_free_target_mem_chunk(ab); + return ret; +} + /* clang stack usage explodes if this is inlined */ static noinline_for_stack int ath12k_qmi_request_target_cap(struct ath12k_base *ab) @@ -3483,11 +3624,20 @@ static void ath12k_qmi_msg_mem_request_cb(struct qmi_handle *qmi_hdl, msg->mem_seg[i].type, msg->mem_seg[i].size); } - ret = ath12k_qmi_alloc_target_mem_chunk(ab); - if (ret) { - ath12k_warn(ab, "qmi failed to alloc target memory: %d\n", - ret); - return; + if (test_bit(ATH12K_FLAG_FIXED_MEM_REGION, &ab->dev_flags)) { + ret = ath12k_qmi_assign_target_mem_chunk(ab); + if (ret) { + ath12k_warn(ab, "failed to assign qmi target memory: %d\n", + ret); + return; + } + } else { + ret = ath12k_qmi_alloc_target_mem_chunk(ab); + if (ret) { + ath12k_warn(ab, "qmi failed to alloc target memory: %d\n", + ret); + return; + } } ath12k_qmi_driver_event_post(qmi, ATH12K_QMI_EVENT_REQUEST_MEM, NULL); From 6cee30f0da751284662affaa0d7fc567cdd65f48 Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Fri, 21 Mar 2025 16:22:45 +0530 Subject: [PATCH 015/104] wifi: ath12k: add AHB driver support for IPQ5332 Add Initial Ath12k AHB driver support for IPQ5332. IPQ5332 is AHB based IEEE802.11be 2 GHz 2x2 WiFi device. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Co-developed-by: P Praneesh Signed-off-by: P Praneesh Co-developed-by: Raj Kumar Bhagat Signed-off-by: Raj Kumar Bhagat Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-8-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 781 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/ahb.h | 37 ++ drivers/net/wireless/ath/ath12k/core.h | 3 + drivers/net/wireless/ath/ath12k/hal.h | 1 + drivers/net/wireless/ath/ath12k/hw.h | 1 + 5 files changed, 823 insertions(+) create mode 100644 drivers/net/wireless/ath/ath12k/ahb.c create mode 100644 drivers/net/wireless/ath/ath12k/ahb.h diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c new file mode 100644 index 000000000000..28986500ff7d --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -0,0 +1,781 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include "ahb.h" +#include "debug.h" +#include "hif.h" + +static const struct of_device_id ath12k_ahb_of_match[] = { + { .compatible = "qcom,ipq5332-wifi", + .data = (void *)ATH12K_HW_IPQ5332_HW10, + }, + { } +}; + +MODULE_DEVICE_TABLE(of, ath12k_ahb_of_match); + +#define ATH12K_IRQ_CE0_OFFSET 4 + +static const char *irq_name[ATH12K_IRQ_NUM_MAX] = { + "misc-pulse1", + "misc-latch", + "sw-exception", + "watchdog", + "ce0", + "ce1", + "ce2", + "ce3", + "ce4", + "ce5", + "ce6", + "ce7", + "ce8", + "ce9", + "ce10", + "ce11", + "host2wbm-desc-feed", + "host2reo-re-injection", + "host2reo-command", + "host2rxdma-monitor-ring3", + "host2rxdma-monitor-ring2", + "host2rxdma-monitor-ring1", + "reo2ost-exception", + "wbm2host-rx-release", + "reo2host-status", + "reo2host-destination-ring4", + "reo2host-destination-ring3", + "reo2host-destination-ring2", + "reo2host-destination-ring1", + "rxdma2host-monitor-destination-mac3", + "rxdma2host-monitor-destination-mac2", + "rxdma2host-monitor-destination-mac1", + "ppdu-end-interrupts-mac3", + "ppdu-end-interrupts-mac2", + "ppdu-end-interrupts-mac1", + "rxdma2host-monitor-status-ring-mac3", + "rxdma2host-monitor-status-ring-mac2", + "rxdma2host-monitor-status-ring-mac1", + "host2rxdma-host-buf-ring-mac3", + "host2rxdma-host-buf-ring-mac2", + "host2rxdma-host-buf-ring-mac1", + "rxdma2host-destination-ring-mac3", + "rxdma2host-destination-ring-mac2", + "rxdma2host-destination-ring-mac1", + "host2tcl-input-ring4", + "host2tcl-input-ring3", + "host2tcl-input-ring2", + "host2tcl-input-ring1", + "wbm2host-tx-completions-ring4", + "wbm2host-tx-completions-ring3", + "wbm2host-tx-completions-ring2", + "wbm2host-tx-completions-ring1", + "tcl2host-status-ring", +}; + +enum ext_irq_num { + host2wbm_desc_feed = 16, + host2reo_re_injection, + host2reo_command, + host2rxdma_monitor_ring3, + host2rxdma_monitor_ring2, + host2rxdma_monitor_ring1, + reo2host_exception, + wbm2host_rx_release, + reo2host_status, + reo2host_destination_ring4, + reo2host_destination_ring3, + reo2host_destination_ring2, + reo2host_destination_ring1, + rxdma2host_monitor_destination_mac3, + rxdma2host_monitor_destination_mac2, + rxdma2host_monitor_destination_mac1, + ppdu_end_interrupts_mac3, + ppdu_end_interrupts_mac2, + ppdu_end_interrupts_mac1, + rxdma2host_monitor_status_ring_mac3, + rxdma2host_monitor_status_ring_mac2, + rxdma2host_monitor_status_ring_mac1, + host2rxdma_host_buf_ring_mac3, + host2rxdma_host_buf_ring_mac2, + host2rxdma_host_buf_ring_mac1, + rxdma2host_destination_ring_mac3, + rxdma2host_destination_ring_mac2, + rxdma2host_destination_ring_mac1, + host2tcl_input_ring4, + host2tcl_input_ring3, + host2tcl_input_ring2, + host2tcl_input_ring1, + wbm2host_tx_completions_ring4, + wbm2host_tx_completions_ring3, + wbm2host_tx_completions_ring2, + wbm2host_tx_completions_ring1, + tcl2host_status_ring, +}; + +static u32 ath12k_ahb_read32(struct ath12k_base *ab, u32 offset) +{ + if (ab->ce_remap && offset < HAL_SEQ_WCSS_CMEM_OFFSET) + return ioread32(ab->mem_ce + offset); + return ioread32(ab->mem + offset); +} + +static void ath12k_ahb_write32(struct ath12k_base *ab, u32 offset, + u32 value) +{ + if (ab->ce_remap && offset < HAL_SEQ_WCSS_CMEM_OFFSET) + iowrite32(value, ab->mem_ce + offset); + else + iowrite32(value, ab->mem + offset); +} + +static void ath12k_ahb_cancel_workqueue(struct ath12k_base *ab) +{ + int i; + + for (i = 0; i < ab->hw_params->ce_count; i++) { + struct ath12k_ce_pipe *ce_pipe = &ab->ce.ce_pipe[i]; + + if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) + continue; + + cancel_work_sync(&ce_pipe->intr_wq); + } +} + +static void ath12k_ahb_ext_grp_disable(struct ath12k_ext_irq_grp *irq_grp) +{ + int i; + + for (i = 0; i < irq_grp->num_irq; i++) + disable_irq_nosync(irq_grp->ab->irq_num[irq_grp->irqs[i]]); +} + +static void __ath12k_ahb_ext_irq_disable(struct ath12k_base *ab) +{ + int i; + + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { + struct ath12k_ext_irq_grp *irq_grp = &ab->ext_irq_grp[i]; + + ath12k_ahb_ext_grp_disable(irq_grp); + if (irq_grp->napi_enabled) { + napi_synchronize(&irq_grp->napi); + napi_disable(&irq_grp->napi); + irq_grp->napi_enabled = false; + } + } +} + +static void ath12k_ahb_ext_grp_enable(struct ath12k_ext_irq_grp *irq_grp) +{ + int i; + + for (i = 0; i < irq_grp->num_irq; i++) + enable_irq(irq_grp->ab->irq_num[irq_grp->irqs[i]]); +} + +static void ath12k_ahb_setbit32(struct ath12k_base *ab, u8 bit, u32 offset) +{ + u32 val; + + val = ath12k_ahb_read32(ab, offset); + ath12k_ahb_write32(ab, offset, val | BIT(bit)); +} + +static void ath12k_ahb_clearbit32(struct ath12k_base *ab, u8 bit, u32 offset) +{ + u32 val; + + val = ath12k_ahb_read32(ab, offset); + ath12k_ahb_write32(ab, offset, val & ~BIT(bit)); +} + +static void ath12k_ahb_ce_irq_enable(struct ath12k_base *ab, u16 ce_id) +{ + const struct ce_attr *ce_attr; + const struct ce_ie_addr *ce_ie_addr = ab->hw_params->ce_ie_addr; + u32 ie1_reg_addr, ie2_reg_addr, ie3_reg_addr; + + ie1_reg_addr = ce_ie_addr->ie1_reg_addr; + ie2_reg_addr = ce_ie_addr->ie2_reg_addr; + ie3_reg_addr = ce_ie_addr->ie3_reg_addr; + + ce_attr = &ab->hw_params->host_ce_config[ce_id]; + if (ce_attr->src_nentries) + ath12k_ahb_setbit32(ab, ce_id, ie1_reg_addr); + + if (ce_attr->dest_nentries) { + ath12k_ahb_setbit32(ab, ce_id, ie2_reg_addr); + ath12k_ahb_setbit32(ab, ce_id + CE_HOST_IE_3_SHIFT, + ie3_reg_addr); + } +} + +static void ath12k_ahb_ce_irq_disable(struct ath12k_base *ab, u16 ce_id) +{ + const struct ce_attr *ce_attr; + const struct ce_ie_addr *ce_ie_addr = ab->hw_params->ce_ie_addr; + u32 ie1_reg_addr, ie2_reg_addr, ie3_reg_addr; + + ie1_reg_addr = ce_ie_addr->ie1_reg_addr; + ie2_reg_addr = ce_ie_addr->ie2_reg_addr; + ie3_reg_addr = ce_ie_addr->ie3_reg_addr; + + ce_attr = &ab->hw_params->host_ce_config[ce_id]; + if (ce_attr->src_nentries) + ath12k_ahb_clearbit32(ab, ce_id, ie1_reg_addr); + + if (ce_attr->dest_nentries) { + ath12k_ahb_clearbit32(ab, ce_id, ie2_reg_addr); + ath12k_ahb_clearbit32(ab, ce_id + CE_HOST_IE_3_SHIFT, + ie3_reg_addr); + } +} + +static void ath12k_ahb_sync_ce_irqs(struct ath12k_base *ab) +{ + int i; + int irq_idx; + + for (i = 0; i < ab->hw_params->ce_count; i++) { + if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) + continue; + + irq_idx = ATH12K_IRQ_CE0_OFFSET + i; + synchronize_irq(ab->irq_num[irq_idx]); + } +} + +static void ath12k_ahb_sync_ext_irqs(struct ath12k_base *ab) +{ + int i, j; + int irq_idx; + + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { + struct ath12k_ext_irq_grp *irq_grp = &ab->ext_irq_grp[i]; + + for (j = 0; j < irq_grp->num_irq; j++) { + irq_idx = irq_grp->irqs[j]; + synchronize_irq(ab->irq_num[irq_idx]); + } + } +} + +static void ath12k_ahb_ce_irqs_enable(struct ath12k_base *ab) +{ + int i; + + for (i = 0; i < ab->hw_params->ce_count; i++) { + if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) + continue; + ath12k_ahb_ce_irq_enable(ab, i); + } +} + +static void ath12k_ahb_ce_irqs_disable(struct ath12k_base *ab) +{ + int i; + + for (i = 0; i < ab->hw_params->ce_count; i++) { + if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) + continue; + ath12k_ahb_ce_irq_disable(ab, i); + } +} + +static int ath12k_ahb_start(struct ath12k_base *ab) +{ + ath12k_ahb_ce_irqs_enable(ab); + ath12k_ce_rx_post_buf(ab); + + return 0; +} + +static void ath12k_ahb_ext_irq_enable(struct ath12k_base *ab) +{ + struct ath12k_ext_irq_grp *irq_grp; + int i; + + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { + irq_grp = &ab->ext_irq_grp[i]; + if (!irq_grp->napi_enabled) { + napi_enable(&irq_grp->napi); + irq_grp->napi_enabled = true; + } + ath12k_ahb_ext_grp_enable(irq_grp); + } +} + +static void ath12k_ahb_ext_irq_disable(struct ath12k_base *ab) +{ + __ath12k_ahb_ext_irq_disable(ab); + ath12k_ahb_sync_ext_irqs(ab); +} + +static void ath12k_ahb_stop(struct ath12k_base *ab) +{ + if (!test_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags)) + ath12k_ahb_ce_irqs_disable(ab); + ath12k_ahb_sync_ce_irqs(ab); + ath12k_ahb_cancel_workqueue(ab); + del_timer_sync(&ab->rx_replenish_retry); + ath12k_ce_cleanup_pipes(ab); +} + +static void ath12k_ahb_init_qmi_ce_config(struct ath12k_base *ab) +{ + struct ath12k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg; + + cfg->tgt_ce_len = ab->hw_params->target_ce_count; + cfg->tgt_ce = ab->hw_params->target_ce_config; + cfg->svc_to_ce_map_len = ab->hw_params->svc_to_ce_map_len; + cfg->svc_to_ce_map = ab->hw_params->svc_to_ce_map; + ab->qmi.service_ins_id = ab->hw_params->qmi_service_ins_id; +} + +static void ath12k_ahb_ce_workqueue(struct work_struct *work) +{ + struct ath12k_ce_pipe *ce_pipe = from_work(ce_pipe, work, intr_wq); + + ath12k_ce_per_engine_service(ce_pipe->ab, ce_pipe->pipe_num); + + ath12k_ahb_ce_irq_enable(ce_pipe->ab, ce_pipe->pipe_num); +} + +static irqreturn_t ath12k_ahb_ce_interrupt_handler(int irq, void *arg) +{ + struct ath12k_ce_pipe *ce_pipe = arg; + + /* last interrupt received for this CE */ + ce_pipe->timestamp = jiffies; + + ath12k_ahb_ce_irq_disable(ce_pipe->ab, ce_pipe->pipe_num); + + queue_work(system_bh_wq, &ce_pipe->intr_wq); + + return IRQ_HANDLED; +} + +static int ath12k_ahb_ext_grp_napi_poll(struct napi_struct *napi, int budget) +{ + struct ath12k_ext_irq_grp *irq_grp = container_of(napi, + struct ath12k_ext_irq_grp, + napi); + struct ath12k_base *ab = irq_grp->ab; + int work_done; + + work_done = ath12k_dp_service_srng(ab, irq_grp, budget); + if (work_done < budget) { + napi_complete_done(napi, work_done); + ath12k_ahb_ext_grp_enable(irq_grp); + } + + if (work_done > budget) + work_done = budget; + + return work_done; +} + +static irqreturn_t ath12k_ahb_ext_interrupt_handler(int irq, void *arg) +{ + struct ath12k_ext_irq_grp *irq_grp = arg; + + /* last interrupt received for this group */ + irq_grp->timestamp = jiffies; + + ath12k_ahb_ext_grp_disable(irq_grp); + + napi_schedule(&irq_grp->napi); + + return IRQ_HANDLED; +} + +static int ath12k_ahb_config_ext_irq(struct ath12k_base *ab) +{ + const struct ath12k_hw_ring_mask *ring_mask; + struct ath12k_ext_irq_grp *irq_grp; + const struct hal_ops *hal_ops; + int i, j, irq, irq_idx, ret; + u32 num_irq; + + ring_mask = ab->hw_params->ring_mask; + hal_ops = ab->hw_params->hal_ops; + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { + irq_grp = &ab->ext_irq_grp[i]; + num_irq = 0; + + irq_grp->ab = ab; + irq_grp->grp_id = i; + + irq_grp->napi_ndev = alloc_netdev_dummy(0); + if (!irq_grp->napi_ndev) + return -ENOMEM; + + netif_napi_add(irq_grp->napi_ndev, &irq_grp->napi, + ath12k_ahb_ext_grp_napi_poll); + + for (j = 0; j < ATH12K_EXT_IRQ_NUM_MAX; j++) { + /* For TX ring, ensure that the ring mask and the + * tcl_to_wbm_rbm_map point to the same ring number. + */ + if (ring_mask->tx[i] & + BIT(hal_ops->tcl_to_wbm_rbm_map[j].wbm_ring_num)) { + irq_grp->irqs[num_irq++] = + wbm2host_tx_completions_ring1 - j; + } + + if (ring_mask->rx[i] & BIT(j)) { + irq_grp->irqs[num_irq++] = + reo2host_destination_ring1 - j; + } + + if (ring_mask->rx_err[i] & BIT(j)) + irq_grp->irqs[num_irq++] = reo2host_exception; + + if (ring_mask->rx_wbm_rel[i] & BIT(j)) + irq_grp->irqs[num_irq++] = wbm2host_rx_release; + + if (ring_mask->reo_status[i] & BIT(j)) + irq_grp->irqs[num_irq++] = reo2host_status; + + if (ring_mask->rx_mon_dest[i] & BIT(j)) + irq_grp->irqs[num_irq++] = + rxdma2host_monitor_destination_mac1; + } + + irq_grp->num_irq = num_irq; + + for (j = 0; j < irq_grp->num_irq; j++) { + irq_idx = irq_grp->irqs[j]; + + irq = platform_get_irq_byname(ab->pdev, + irq_name[irq_idx]); + ab->irq_num[irq_idx] = irq; + irq_set_status_flags(irq, IRQ_NOAUTOEN | IRQ_DISABLE_UNLAZY); + ret = devm_request_irq(ab->dev, irq, + ath12k_ahb_ext_interrupt_handler, + IRQF_TRIGGER_RISING, + irq_name[irq_idx], irq_grp); + if (ret) + ath12k_warn(ab, "failed request_irq for %d\n", irq); + } + } + + return 0; +} + +static int ath12k_ahb_config_irq(struct ath12k_base *ab) +{ + int irq, irq_idx, i; + int ret; + + /* Configure CE irqs */ + for (i = 0; i < ab->hw_params->ce_count; i++) { + struct ath12k_ce_pipe *ce_pipe = &ab->ce.ce_pipe[i]; + + if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) + continue; + + irq_idx = ATH12K_IRQ_CE0_OFFSET + i; + + INIT_WORK(&ce_pipe->intr_wq, ath12k_ahb_ce_workqueue); + irq = platform_get_irq_byname(ab->pdev, irq_name[irq_idx]); + ret = devm_request_irq(ab->dev, irq, ath12k_ahb_ce_interrupt_handler, + IRQF_TRIGGER_RISING, irq_name[irq_idx], + ce_pipe); + if (ret) + return ret; + + ab->irq_num[irq_idx] = irq; + } + + /* Configure external interrupts */ + ret = ath12k_ahb_config_ext_irq(ab); + + return ret; +} + +static int ath12k_ahb_map_service_to_pipe(struct ath12k_base *ab, u16 service_id, + u8 *ul_pipe, u8 *dl_pipe) +{ + const struct service_to_pipe *entry; + bool ul_set = false, dl_set = false; + u32 pipedir; + int i; + + for (i = 0; i < ab->hw_params->svc_to_ce_map_len; i++) { + entry = &ab->hw_params->svc_to_ce_map[i]; + + if (__le32_to_cpu(entry->service_id) != service_id) + continue; + + pipedir = __le32_to_cpu(entry->pipedir); + if (pipedir == PIPEDIR_IN || pipedir == PIPEDIR_INOUT) { + WARN_ON(dl_set); + *dl_pipe = __le32_to_cpu(entry->pipenum); + dl_set = true; + } + + if (pipedir == PIPEDIR_OUT || pipedir == PIPEDIR_INOUT) { + WARN_ON(ul_set); + *ul_pipe = __le32_to_cpu(entry->pipenum); + ul_set = true; + } + } + + if (WARN_ON(!ul_set || !dl_set)) + return -ENOENT; + + return 0; +} + +static const struct ath12k_hif_ops ath12k_ahb_hif_ops_ipq5332 = { + .start = ath12k_ahb_start, + .stop = ath12k_ahb_stop, + .read32 = ath12k_ahb_read32, + .write32 = ath12k_ahb_write32, + .irq_enable = ath12k_ahb_ext_irq_enable, + .irq_disable = ath12k_ahb_ext_irq_disable, + .map_service_to_pipe = ath12k_ahb_map_service_to_pipe, +}; + +static int ath12k_ahb_resource_init(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + struct platform_device *pdev = ab->pdev; + struct resource *mem_res; + int ret; + + ab->mem = devm_platform_get_and_ioremap_resource(pdev, 0, &mem_res); + if (IS_ERR(ab->mem)) { + ret = dev_err_probe(&pdev->dev, PTR_ERR(ab->mem), "ioremap error\n"); + goto out; + } + + ab->mem_len = resource_size(mem_res); + + if (ab->hw_params->ce_remap) { + const struct ce_remap *ce_remap = ab->hw_params->ce_remap; + /* CE register space is moved out of WCSS and the space is not + * contiguous, hence remapping the CE registers to a new space + * for accessing them. + */ + ab->mem_ce = ioremap(ce_remap->base, ce_remap->size); + if (IS_ERR(ab->mem_ce)) { + dev_err(&pdev->dev, "ce ioremap error\n"); + ret = -ENOMEM; + goto err_mem_unmap; + } + ab->ce_remap = true; + ab->ce_remap_base_addr = HAL_IPQ5332_CE_WFSS_REG_BASE; + } + + ab_ahb->xo_clk = devm_clk_get(ab->dev, "xo"); + if (IS_ERR(ab_ahb->xo_clk)) { + ret = dev_err_probe(&pdev->dev, PTR_ERR(ab_ahb->xo_clk), + "failed to get xo clock\n"); + goto err_mem_ce_unmap; + } + + ret = clk_prepare_enable(ab_ahb->xo_clk); + if (ret) { + dev_err(&pdev->dev, "failed to enable gcc_xo_clk: %d\n", ret); + goto err_clock_deinit; + } + + return 0; + +err_clock_deinit: + devm_clk_put(ab->dev, ab_ahb->xo_clk); + +err_mem_ce_unmap: + ab_ahb->xo_clk = NULL; + if (ab->hw_params->ce_remap) + iounmap(ab->mem_ce); + +err_mem_unmap: + ab->mem_ce = NULL; + devm_iounmap(ab->dev, ab->mem); + +out: + ab->mem = NULL; + return ret; +} + +static void ath12k_ahb_resource_deinit(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + + if (ab->mem) + devm_iounmap(ab->dev, ab->mem); + + if (ab->mem_ce) + iounmap(ab->mem_ce); + + ab->mem = NULL; + ab->mem_ce = NULL; + + clk_disable_unprepare(ab_ahb->xo_clk); + devm_clk_put(ab->dev, ab_ahb->xo_clk); + ab_ahb->xo_clk = NULL; +} + +static int ath12k_ahb_probe(struct platform_device *pdev) +{ + struct ath12k_base *ab; + const struct ath12k_hif_ops *hif_ops; + enum ath12k_hw_rev hw_rev; + u32 addr; + int ret; + + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(&pdev->dev, "Failed to set 32-bit coherent dma\n"); + return ret; + } + + ab = ath12k_core_alloc(&pdev->dev, sizeof(struct ath12k_ahb), + ATH12K_BUS_AHB); + if (!ab) + return -ENOMEM; + + hw_rev = (enum ath12k_hw_rev)(kernel_ulong_t)of_device_get_match_data(&pdev->dev); + switch (hw_rev) { + case ATH12K_HW_IPQ5332_HW10: + hif_ops = &ath12k_ahb_hif_ops_ipq5332; + break; + default: + ret = -EOPNOTSUPP; + goto err_core_free; + } + + ab->hif.ops = hif_ops; + ab->pdev = pdev; + ab->hw_rev = hw_rev; + platform_set_drvdata(pdev, ab); + + /* Set fixed_mem_region to true for platforms that support fixed memory + * reservation from DT. If memory is reserved from DT for FW, ath12k driver + * need not to allocate memory. + */ + if (!of_property_read_u32(ab->dev->of_node, "memory-region", &addr)) + set_bit(ATH12K_FLAG_FIXED_MEM_REGION, &ab->dev_flags); + + ret = ath12k_core_pre_init(ab); + if (ret) + goto err_core_free; + + ret = ath12k_ahb_resource_init(ab); + if (ret) + goto err_core_free; + + ret = ath12k_hal_srng_init(ab); + if (ret) + goto err_resource_deinit; + + ret = ath12k_ce_alloc_pipes(ab); + if (ret) { + ath12k_err(ab, "failed to allocate ce pipes: %d\n", ret); + goto err_hal_srng_deinit; + } + + ath12k_ahb_init_qmi_ce_config(ab); + + ret = ath12k_ahb_config_irq(ab); + if (ret) { + ath12k_err(ab, "failed to configure irq: %d\n", ret); + goto err_ce_free; + } + + ret = ath12k_core_init(ab); + if (ret) { + ath12k_err(ab, "failed to init core: %d\n", ret); + goto err_ce_free; + } + + return 0; + +err_ce_free: + ath12k_ce_free_pipes(ab); + +err_hal_srng_deinit: + ath12k_hal_srng_deinit(ab); + +err_resource_deinit: + ath12k_ahb_resource_deinit(ab); + +err_core_free: + ath12k_core_free(ab); + platform_set_drvdata(pdev, NULL); + + return ret; +} + +static void ath12k_ahb_remove_prepare(struct ath12k_base *ab) +{ + unsigned long left; + + if (test_bit(ATH12K_FLAG_RECOVERY, &ab->dev_flags)) { + left = wait_for_completion_timeout(&ab->driver_recovery, + ATH12K_AHB_RECOVERY_TIMEOUT); + if (!left) + ath12k_warn(ab, "failed to receive recovery response completion\n"); + } + + set_bit(ATH12K_FLAG_UNREGISTERING, &ab->dev_flags); + cancel_work_sync(&ab->restart_work); + cancel_work_sync(&ab->qmi.event_work); +} + +static void ath12k_ahb_free_resources(struct ath12k_base *ab) +{ + struct platform_device *pdev = ab->pdev; + + ath12k_hal_srng_deinit(ab); + ath12k_ce_free_pipes(ab); + ath12k_ahb_resource_deinit(ab); + ath12k_core_free(ab); + platform_set_drvdata(pdev, NULL); +} + +static void ath12k_ahb_remove(struct platform_device *pdev) +{ + struct ath12k_base *ab = platform_get_drvdata(pdev); + + if (test_bit(ATH12K_FLAG_QMI_FAIL, &ab->dev_flags)) { + ath12k_qmi_deinit_service(ab); + goto qmi_fail; + } + + ath12k_ahb_remove_prepare(ab); + ath12k_core_deinit(ab); + +qmi_fail: + ath12k_ahb_free_resources(ab); +} + +static struct platform_driver ath12k_ahb_driver = { + .driver = { + .name = "ath12k_ahb", + .of_match_table = ath12k_ahb_of_match, + }, + .probe = ath12k_ahb_probe, + .remove = ath12k_ahb_remove, +}; + +int ath12k_ahb_init(void) +{ + return platform_driver_register(&ath12k_ahb_driver); +} + +void ath12k_ahb_exit(void) +{ + platform_driver_unregister(&ath12k_ahb_driver); +} diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h new file mode 100644 index 000000000000..64f0696588c0 --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/ahb.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2022-2025, Qualcomm Innovation Center, Inc. All rights reserved. + */ +#ifndef ATH12K_AHB_H +#define ATH12K_AHB_H + +#include +#include "core.h" + +#define ATH12K_AHB_RECOVERY_TIMEOUT (3 * HZ) + +#define ATH12K_AHB_SMP2P_SMEM_MSG GENMASK(15, 0) +#define ATH12K_AHB_SMP2P_SMEM_SEQ_NO GENMASK(31, 16) +#define ATH12K_AHB_SMP2P_SMEM_VALUE_MASK 0xFFFFFFFF +#define ATH12K_PCI_CE_WAKE_IRQ 2 +#define ATH12K_PCI_IRQ_CE0_OFFSET 3 + +enum ath12k_ahb_smp2p_msg_id { + ATH12K_AHB_POWER_SAVE_ENTER = 1, + ATH12K_AHB_POWER_SAVE_EXIT, +}; + +struct ath12k_base; + +struct ath12k_ahb { + struct rproc *tgt_rproc; + struct clk *xo_clk; +}; + +static inline struct ath12k_ahb *ath12k_ab_to_ahb(struct ath12k_base *ab) +{ + return (struct ath12k_ahb *)ab->drv_priv; +} + +#endif diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 3f03e70913cc..9bf20f7b6cfe 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -162,6 +162,7 @@ enum ath12k_firmware_mode { #define ATH12K_IRQ_NUM_MAX 57 #define ATH12K_EXT_IRQ_NUM_MAX 16 +#define ATH12K_MAX_TCL_RING_NUM 3 struct ath12k_ext_irq_grp { struct ath12k_base *ab; @@ -1297,6 +1298,8 @@ static inline const char *ath12k_bus_str(enum ath12k_bus bus) switch (bus) { case ATH12K_BUS_PCI: return "pci"; + case ATH12K_BUS_AHB: + return "ahb"; } return "unknown"; diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h index 47ff0b1bfdf4..9f12ed84a653 100644 --- a/drivers/net/wireless/ath/ath12k/hal.h +++ b/drivers/net/wireless/ath/ath12k/hal.h @@ -42,6 +42,7 @@ struct ath12k_base; #define HAL_SHADOW_REG(x) (HAL_SHADOW_BASE_ADDR + (4 * (x))) /* WCSS Relative address */ +#define HAL_SEQ_WCSS_CMEM_OFFSET 0x00100000 #define HAL_SEQ_WCSS_UMAC_OFFSET 0x00a00000 #define HAL_SEQ_WCSS_UMAC_REO_REG 0x00a38000 #define HAL_SEQ_WCSS_UMAC_TCL_REG 0x00a44000 diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index 5123d2f51865..a4332588b117 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -121,6 +121,7 @@ enum ath12k_hw_rate_ofdm { enum ath12k_bus { ATH12K_BUS_PCI, + ATH12K_BUS_AHB, }; #define ATH12K_EXT_IRQ_GRP_NUM_MAX 11 From 10a355ba6238e13d196be2f226a59f7886d7b5bd Mon Sep 17 00:00:00 2001 From: Sowmiya Sree Elavalagan Date: Fri, 21 Mar 2025 16:22:46 +0530 Subject: [PATCH 016/104] wifi: ath12k: Power up root PD Q6 processor acts as rootPD, other hardware like IPQ5332 which are attached to Q6 act as userPDs. WCSS driver handles loading and booting of rootPD, while the ath12k driver boots the userPD. Get the rproc handle from the DTS entry and boot the rootPD if it is not already powered on. Register to the rproc notifier to monitor the rproc state, this allows ath12k driver to know power up/down sequence of the rootPD. Power up the rootPD and wait for a power-up notification from the notifier callback before powering up the userPDs. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sowmiya Sree Elavalagan Reviewed-by: Vasanthakumar Thiagarajan Co-developed-by: Raj Kumar Bhagat Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-9-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 146 +++++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/ahb.h | 7 ++ 2 files changed, 151 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c index 28986500ff7d..c08c2e6bc0d4 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "ahb.h" #include "debug.h" #include "hif.h" @@ -546,6 +547,136 @@ static const struct ath12k_hif_ops ath12k_ahb_hif_ops_ipq5332 = { .map_service_to_pipe = ath12k_ahb_map_service_to_pipe, }; +static int ath12k_ahb_root_pd_state_notifier(struct notifier_block *nb, + const unsigned long event, void *data) +{ + struct ath12k_ahb *ab_ahb = container_of(nb, struct ath12k_ahb, root_pd_nb); + struct ath12k_base *ab = ab_ahb->ab; + + if (event == ATH12K_RPROC_AFTER_POWERUP) { + ath12k_dbg(ab, ATH12K_DBG_AHB, "Root PD is UP\n"); + complete(&ab_ahb->rootpd_ready); + } + + return 0; +} + +static int ath12k_ahb_register_rproc_notifier(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + + ab_ahb->root_pd_nb.notifier_call = ath12k_ahb_root_pd_state_notifier; + init_completion(&ab_ahb->rootpd_ready); + + ab_ahb->root_pd_notifier = qcom_register_ssr_notifier(ab_ahb->tgt_rproc->name, + &ab_ahb->root_pd_nb); + if (IS_ERR(ab_ahb->root_pd_notifier)) + return PTR_ERR(ab_ahb->root_pd_notifier); + + return 0; +} + +static void ath12k_ahb_unregister_rproc_notifier(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + + if (!ab_ahb->root_pd_notifier) { + ath12k_err(ab, "Rproc notifier not registered\n"); + return; + } + + qcom_unregister_ssr_notifier(ab_ahb->root_pd_notifier, + &ab_ahb->root_pd_nb); + ab_ahb->root_pd_notifier = NULL; +} + +static int ath12k_ahb_get_rproc(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + struct device *dev = ab->dev; + struct device_node *np; + struct rproc *prproc; + + np = of_parse_phandle(dev->of_node, "qcom,rproc", 0); + if (!np) { + ath12k_err(ab, "failed to get q6_rproc handle\n"); + return -ENOENT; + } + + prproc = rproc_get_by_phandle(np->phandle); + of_node_put(np); + if (!prproc) + return dev_err_probe(&ab->pdev->dev, -EPROBE_DEFER, + "failed to get rproc\n"); + + ab_ahb->tgt_rproc = prproc; + + return 0; +} + +static int ath12k_ahb_boot_root_pd(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + unsigned long time_left; + int ret; + + ret = rproc_boot(ab_ahb->tgt_rproc); + if (ret < 0) { + ath12k_err(ab, "RootPD boot failed\n"); + return ret; + } + + time_left = wait_for_completion_timeout(&ab_ahb->rootpd_ready, + ATH12K_ROOTPD_READY_TIMEOUT); + if (!time_left) { + ath12k_err(ab, "RootPD ready wait timed out\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static int ath12k_ahb_configure_rproc(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + int ret; + + ret = ath12k_ahb_get_rproc(ab); + if (ret < 0) + return ret; + + ret = ath12k_ahb_register_rproc_notifier(ab); + if (ret < 0) { + ret = dev_err_probe(&ab->pdev->dev, ret, + "failed to register rproc notifier\n"); + goto err_put_rproc; + } + + if (ab_ahb->tgt_rproc->state != RPROC_RUNNING) { + ret = ath12k_ahb_boot_root_pd(ab); + if (ret < 0) { + ath12k_err(ab, "failed to boot the remote processor Q6\n"); + goto err_unreg_notifier; + } + } + return 0; + +err_unreg_notifier: + ath12k_ahb_unregister_rproc_notifier(ab); + +err_put_rproc: + rproc_put(ab_ahb->tgt_rproc); + return ret; +} + +static void ath12k_ahb_deconfigure_rproc(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + + ath12k_ahb_unregister_rproc_notifier(ab); + rproc_put(ab_ahb->tgt_rproc); +} + static int ath12k_ahb_resource_init(struct ath12k_base *ab) { struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); @@ -631,6 +762,7 @@ static int ath12k_ahb_probe(struct platform_device *pdev) { struct ath12k_base *ab; const struct ath12k_hif_ops *hif_ops; + struct ath12k_ahb *ab_ahb; enum ath12k_hw_rev hw_rev; u32 addr; int ret; @@ -660,6 +792,8 @@ static int ath12k_ahb_probe(struct platform_device *pdev) ab->pdev = pdev; ab->hw_rev = hw_rev; platform_set_drvdata(pdev, ab); + ab_ahb = ath12k_ab_to_ahb(ab); + ab_ahb->ab = ab; /* Set fixed_mem_region to true for platforms that support fixed memory * reservation from DT. If memory is reserved from DT for FW, ath12k driver @@ -688,20 +822,27 @@ static int ath12k_ahb_probe(struct platform_device *pdev) ath12k_ahb_init_qmi_ce_config(ab); + ret = ath12k_ahb_configure_rproc(ab); + if (ret) + goto err_ce_free; + ret = ath12k_ahb_config_irq(ab); if (ret) { ath12k_err(ab, "failed to configure irq: %d\n", ret); - goto err_ce_free; + goto err_rproc_deconfigure; } ret = ath12k_core_init(ab); if (ret) { ath12k_err(ab, "failed to init core: %d\n", ret); - goto err_ce_free; + goto err_rproc_deconfigure; } return 0; +err_rproc_deconfigure: + ath12k_ahb_deconfigure_rproc(ab); + err_ce_free: ath12k_ce_free_pipes(ab); @@ -741,6 +882,7 @@ static void ath12k_ahb_free_resources(struct ath12k_base *ab) ath12k_hal_srng_deinit(ab); ath12k_ce_free_pipes(ab); ath12k_ahb_resource_deinit(ab); + ath12k_ahb_deconfigure_rproc(ab); ath12k_core_free(ab); platform_set_drvdata(pdev, NULL); } diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h index 64f0696588c0..1105473917ce 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.h +++ b/drivers/net/wireless/ath/ath12k/ahb.h @@ -7,6 +7,7 @@ #define ATH12K_AHB_H #include +#include #include "core.h" #define ATH12K_AHB_RECOVERY_TIMEOUT (3 * HZ) @@ -16,6 +17,8 @@ #define ATH12K_AHB_SMP2P_SMEM_VALUE_MASK 0xFFFFFFFF #define ATH12K_PCI_CE_WAKE_IRQ 2 #define ATH12K_PCI_IRQ_CE0_OFFSET 3 +#define ATH12K_ROOTPD_READY_TIMEOUT (5 * HZ) +#define ATH12K_RPROC_AFTER_POWERUP QCOM_SSR_AFTER_POWERUP enum ath12k_ahb_smp2p_msg_id { ATH12K_AHB_POWER_SAVE_ENTER = 1, @@ -25,8 +28,12 @@ enum ath12k_ahb_smp2p_msg_id { struct ath12k_base; struct ath12k_ahb { + struct ath12k_base *ab; struct rproc *tgt_rproc; struct clk *xo_clk; + struct completion rootpd_ready; + struct notifier_block root_pd_nb; + void *root_pd_notifier; }; static inline struct ath12k_ahb *ath12k_ab_to_ahb(struct ath12k_base *ab) From f73e089745a000b6eb99457f71b47dc862ab221a Mon Sep 17 00:00:00 2001 From: Sowmiya Sree Elavalagan Date: Fri, 21 Mar 2025 16:22:47 +0530 Subject: [PATCH 017/104] wifi: ath12k: Register various userPD interrupts and save SMEM entries Q6 and ath12k driver communicates using SMEM and IRQs. Spawn interrupt is triggered once the userPD thread is spawned. Ready interrupts denotes userPD is completely powered up and ready. Stop-ack is to acknowledge the ath12k driver that userPD is stopped. Ath12k driver needs to set spawn bit in SMEM to instruct Q6 to spawn a userPD. Similarly stop bit is set when userPD needs to be stopped. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sowmiya Sree Elavalagan Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-10-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 79 ++++++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/ahb.h | 16 ++++++ drivers/net/wireless/ath/ath12k/hw.h | 1 + 3 files changed, 94 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c index c08c2e6bc0d4..f55b0c003883 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -9,6 +9,7 @@ #include #include #include +#include #include "ahb.h" #include "debug.h" #include "hif.h" @@ -23,6 +24,11 @@ static const struct of_device_id ath12k_ahb_of_match[] = { MODULE_DEVICE_TABLE(of, ath12k_ahb_of_match); #define ATH12K_IRQ_CE0_OFFSET 4 +#define ATH12K_MAX_UPDS 1 +#define ATH12K_UPD_IRQ_WRD_LEN 18 +static const char ath12k_userpd_irq[][9] = {"spawn", + "ready", + "stop-ack"}; static const char *irq_name[ATH12K_IRQ_NUM_MAX] = { "misc-pulse1", @@ -547,6 +553,72 @@ static const struct ath12k_hif_ops ath12k_ahb_hif_ops_ipq5332 = { .map_service_to_pipe = ath12k_ahb_map_service_to_pipe, }; +static irqreturn_t ath12k_userpd_irq_handler(int irq, void *data) +{ + struct ath12k_base *ab = data; + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + + if (irq == ab_ahb->userpd_irq_num[ATH12K_USERPD_SPAWN_IRQ]) { + complete(&ab_ahb->userpd_spawned); + } else if (irq == ab_ahb->userpd_irq_num[ATH12K_USERPD_READY_IRQ]) { + complete(&ab_ahb->userpd_ready); + } else if (irq == ab_ahb->userpd_irq_num[ATH12K_USERPD_STOP_ACK_IRQ]) { + complete(&ab_ahb->userpd_stopped); + } else { + ath12k_err(ab, "Invalid userpd interrupt\n"); + return IRQ_NONE; + } + + return IRQ_HANDLED; +} + +static int ath12k_ahb_config_rproc_irq(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + int i, ret; + char *upd_irq_name; + + for (i = 0; i < ATH12K_USERPD_MAX_IRQ; i++) { + ab_ahb->userpd_irq_num[i] = platform_get_irq_byname(ab->pdev, + ath12k_userpd_irq[i]); + if (ab_ahb->userpd_irq_num[i] < 0) + return ab_ahb->userpd_irq_num[i]; + + upd_irq_name = devm_kzalloc(&ab->pdev->dev, ATH12K_UPD_IRQ_WRD_LEN, + GFP_KERNEL); + if (!upd_irq_name) + return -ENOMEM; + + scnprintf(upd_irq_name, ATH12K_UPD_IRQ_WRD_LEN, "UserPD%u-%s", + ab_ahb->userpd_id, ath12k_userpd_irq[i]); + ret = devm_request_threaded_irq(&ab->pdev->dev, ab_ahb->userpd_irq_num[i], + NULL, ath12k_userpd_irq_handler, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + upd_irq_name, ab); + if (ret) + return dev_err_probe(&ab->pdev->dev, ret, + "Request %s irq failed: %d\n", + ath12k_userpd_irq[i], ret); + } + + ab_ahb->spawn_state = devm_qcom_smem_state_get(&ab->pdev->dev, "spawn", + &ab_ahb->spawn_bit); + if (IS_ERR(ab_ahb->spawn_state)) + return dev_err_probe(&ab->pdev->dev, PTR_ERR(ab_ahb->spawn_state), + "Failed to acquire spawn state\n"); + + ab_ahb->stop_state = devm_qcom_smem_state_get(&ab->pdev->dev, "stop", + &ab_ahb->stop_bit); + if (IS_ERR(ab_ahb->stop_state)) + return dev_err_probe(&ab->pdev->dev, PTR_ERR(ab_ahb->stop_state), + "Failed to acquire stop state\n"); + + init_completion(&ab_ahb->userpd_spawned); + init_completion(&ab_ahb->userpd_ready); + init_completion(&ab_ahb->userpd_stopped); + return 0; +} + static int ath12k_ahb_root_pd_state_notifier(struct notifier_block *nb, const unsigned long event, void *data) { @@ -659,7 +731,8 @@ static int ath12k_ahb_configure_rproc(struct ath12k_base *ab) goto err_unreg_notifier; } } - return 0; + + return ath12k_ahb_config_rproc_irq(ab); err_unreg_notifier: ath12k_ahb_unregister_rproc_notifier(ab); @@ -764,7 +837,7 @@ static int ath12k_ahb_probe(struct platform_device *pdev) const struct ath12k_hif_ops *hif_ops; struct ath12k_ahb *ab_ahb; enum ath12k_hw_rev hw_rev; - u32 addr; + u32 addr, userpd_id; int ret; ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); @@ -782,6 +855,7 @@ static int ath12k_ahb_probe(struct platform_device *pdev) switch (hw_rev) { case ATH12K_HW_IPQ5332_HW10: hif_ops = &ath12k_ahb_hif_ops_ipq5332; + userpd_id = ATH12K_IPQ5332_USERPD_ID; break; default: ret = -EOPNOTSUPP; @@ -794,6 +868,7 @@ static int ath12k_ahb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ab); ab_ahb = ath12k_ab_to_ahb(ab); ab_ahb->ab = ab; + ab_ahb->userpd_id = userpd_id; /* Set fixed_mem_region to true for platforms that support fixed memory * reservation from DT. If memory is reserved from DT for FW, ath12k driver diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h index 1105473917ce..b17e7693b31a 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.h +++ b/drivers/net/wireless/ath/ath12k/ahb.h @@ -25,6 +25,13 @@ enum ath12k_ahb_smp2p_msg_id { ATH12K_AHB_POWER_SAVE_EXIT, }; +enum ath12k_ahb_userpd_irq { + ATH12K_USERPD_SPAWN_IRQ, + ATH12K_USERPD_READY_IRQ, + ATH12K_USERPD_STOP_ACK_IRQ, + ATH12K_USERPD_MAX_IRQ, +}; + struct ath12k_base; struct ath12k_ahb { @@ -34,6 +41,15 @@ struct ath12k_ahb { struct completion rootpd_ready; struct notifier_block root_pd_nb; void *root_pd_notifier; + struct qcom_smem_state *spawn_state; + struct qcom_smem_state *stop_state; + struct completion userpd_spawned; + struct completion userpd_ready; + struct completion userpd_stopped; + u32 userpd_id; + u32 spawn_bit; + u32 stop_bit; + int userpd_irq_num[ATH12K_USERPD_MAX_IRQ]; }; static inline struct ath12k_ahb *ath12k_ab_to_ahb(struct ath12k_base *ab) diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index a4332588b117..d4a2e47169d9 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -97,6 +97,7 @@ #define ATH12K_REGDB_FILE_NAME "regdb.bin" #define ATH12K_PCIE_MAX_PAYLOAD_SIZE 128 +#define ATH12K_IPQ5332_USERPD_ID 1 enum ath12k_hw_rate_cck { ATH12K_HW_RATE_CCK_LP_11M = 0, From c01d5cc9b9fe2673885db738ec8d2e01de169b92 Mon Sep 17 00:00:00 2001 From: Sowmiya Sree Elavalagan Date: Fri, 21 Mar 2025 16:22:48 +0530 Subject: [PATCH 018/104] wifi: ath12k: Power up userPD UserPD firmware image is loaded and booted by ath12k driver. Get the userPD memory region from DTS and load the firmware for userPD from pre-defined path into io-remapped address of this region. Authenticate this image using pasid which is a peripheral ID. Set the spawn bit to instruct Q6 to spawn userPD thread. Wait for userPD to spawn which is indicated by spawn interrupt. Ready interrupt is triggered once the userPD is powered up completely. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sowmiya Sree Elavalagan Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-11-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 128 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/ahb.h | 9 ++ 2 files changed, 137 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c index f55b0c003883..212e689e05fa 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -5,10 +5,12 @@ */ #include +#include #include #include #include #include +#include #include #include "ahb.h" #include "debug.h" @@ -336,6 +338,131 @@ static void ath12k_ahb_stop(struct ath12k_base *ab) ath12k_ce_cleanup_pipes(ab); } +static int ath12k_ahb_power_up(struct ath12k_base *ab) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + char fw_name[ATH12K_USERPD_FW_NAME_LEN]; + char fw2_name[ATH12K_USERPD_FW_NAME_LEN]; + struct device *dev = ab->dev; + const struct firmware *fw, *fw2; + struct reserved_mem *rmem = NULL; + unsigned long time_left; + phys_addr_t mem_phys; + void *mem_region; + size_t mem_size; + u32 pasid; + int ret; + + rmem = ath12k_core_get_reserved_mem(ab, 0); + if (!rmem) + return -ENODEV; + + mem_phys = rmem->base; + mem_size = rmem->size; + mem_region = devm_memremap(dev, mem_phys, mem_size, MEMREMAP_WC); + if (!mem_region) { + ath12k_err(ab, "unable to map memory region: %pa+%pa\n", + &rmem->base, &rmem->size); + return -ENOMEM; + } + + snprintf(fw_name, sizeof(fw_name), "%s/%s/%s%d%s", ATH12K_FW_DIR, + ab->hw_params->fw.dir, ATH12K_AHB_FW_PREFIX, ab_ahb->userpd_id, + ATH12K_AHB_FW_SUFFIX); + + ret = request_firmware(&fw, fw_name, dev); + if (ret < 0) { + ath12k_err(ab, "request_firmware failed\n"); + return ret; + } + + ath12k_dbg(ab, ATH12K_DBG_AHB, "Booting fw image %s, size %zd\n", fw_name, + fw->size); + + if (!fw->size) { + ath12k_err(ab, "Invalid firmware size\n"); + ret = -EINVAL; + goto err_fw; + } + + pasid = (u32_encode_bits(ab_ahb->userpd_id, ATH12K_USERPD_ID_MASK)) | + ATH12K_AHB_UPD_SWID; + + /* Load FW image to a reserved memory location */ + ret = qcom_mdt_load(dev, fw, fw_name, pasid, mem_region, mem_phys, mem_size, + &mem_phys); + if (ret) { + ath12k_err(ab, "Failed to load MDT segments: %d\n", ret); + goto err_fw; + } + + snprintf(fw2_name, sizeof(fw2_name), "%s/%s/%s", ATH12K_FW_DIR, + ab->hw_params->fw.dir, ATH12K_AHB_FW2); + + ret = request_firmware(&fw2, fw2_name, dev); + if (ret < 0) { + ath12k_err(ab, "request_firmware failed\n"); + goto err_fw; + } + + ath12k_dbg(ab, ATH12K_DBG_AHB, "Booting fw image %s, size %zd\n", fw2_name, + fw2->size); + + if (!fw2->size) { + ath12k_err(ab, "Invalid firmware size\n"); + ret = -EINVAL; + goto err_fw2; + } + + ret = qcom_mdt_load_no_init(dev, fw2, fw2_name, pasid, mem_region, mem_phys, + mem_size, &mem_phys); + if (ret) { + ath12k_err(ab, "Failed to load MDT segments: %d\n", ret); + goto err_fw2; + } + + /* Authenticate FW image using peripheral ID */ + ret = qcom_scm_pas_auth_and_reset(pasid); + if (ret) { + ath12k_err(ab, "failed to boot the remote processor %d\n", ret); + goto err_fw2; + } + + /* Instruct Q6 to spawn userPD thread */ + ret = qcom_smem_state_update_bits(ab_ahb->spawn_state, BIT(ab_ahb->spawn_bit), + BIT(ab_ahb->spawn_bit)); + if (ret) { + ath12k_err(ab, "Failed to update spawn state %d\n", ret); + goto err_fw2; + } + + time_left = wait_for_completion_timeout(&ab_ahb->userpd_spawned, + ATH12K_USERPD_SPAWN_TIMEOUT); + if (!time_left) { + ath12k_err(ab, "UserPD spawn wait timed out\n"); + ret = -ETIMEDOUT; + goto err_fw2; + } + + time_left = wait_for_completion_timeout(&ab_ahb->userpd_ready, + ATH12K_USERPD_READY_TIMEOUT); + if (!time_left) { + ath12k_err(ab, "UserPD ready wait timed out\n"); + ret = -ETIMEDOUT; + goto err_fw2; + } + + qcom_smem_state_update_bits(ab_ahb->spawn_state, BIT(ab_ahb->spawn_bit), 0); + + ath12k_dbg(ab, ATH12K_DBG_AHB, "UserPD%d is now UP\n", ab_ahb->userpd_id); + +err_fw2: + release_firmware(fw2); +err_fw: + release_firmware(fw); + return ret; +} + static void ath12k_ahb_init_qmi_ce_config(struct ath12k_base *ab) { struct ath12k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg; @@ -551,6 +678,7 @@ static const struct ath12k_hif_ops ath12k_ahb_hif_ops_ipq5332 = { .irq_enable = ath12k_ahb_ext_irq_enable, .irq_disable = ath12k_ahb_ext_irq_disable, .map_service_to_pipe = ath12k_ahb_map_service_to_pipe, + .power_up = ath12k_ahb_power_up, }; static irqreturn_t ath12k_userpd_irq_handler(int irq, void *data) diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h index b17e7693b31a..f8a5c43075c1 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.h +++ b/drivers/net/wireless/ath/ath12k/ahb.h @@ -19,6 +19,15 @@ #define ATH12K_PCI_IRQ_CE0_OFFSET 3 #define ATH12K_ROOTPD_READY_TIMEOUT (5 * HZ) #define ATH12K_RPROC_AFTER_POWERUP QCOM_SSR_AFTER_POWERUP +#define ATH12K_AHB_FW_PREFIX "q6_fw" +#define ATH12K_AHB_FW_SUFFIX ".mdt" +#define ATH12K_AHB_FW2 "iu_fw.mdt" +#define ATH12K_AHB_UPD_SWID 0x12 +#define ATH12K_USERPD_SPAWN_TIMEOUT (5 * HZ) +#define ATH12K_USERPD_READY_TIMEOUT (10 * HZ) +#define ATH12K_USERPD_STOP_TIMEOUT (5 * HZ) +#define ATH12K_USERPD_ID_MASK GENMASK(9, 8) +#define ATH12K_USERPD_FW_NAME_LEN 35 enum ath12k_ahb_smp2p_msg_id { ATH12K_AHB_POWER_SAVE_ENTER = 1, From 881edc164071c2da3504b72fdc08ca8f1b915fdb Mon Sep 17 00:00:00 2001 From: Sowmiya Sree Elavalagan Date: Fri, 21 Mar 2025 16:22:49 +0530 Subject: [PATCH 019/104] wifi: ath12k: Power down userPD Set the stop bit in SMEM to power down the userPD. Wait for stop-ack IRQ to indicate power down completion. Release the userPD firmware using its peripheral ID. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sowmiya Sree Elavalagan Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-12-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 30 +++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c index 212e689e05fa..1c2171e2bb73 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -463,6 +463,34 @@ static int ath12k_ahb_power_up(struct ath12k_base *ab) return ret; } +static void ath12k_ahb_power_down(struct ath12k_base *ab, bool is_suspend) +{ + struct ath12k_ahb *ab_ahb = ath12k_ab_to_ahb(ab); + unsigned long time_left; + u32 pasid; + int ret; + + qcom_smem_state_update_bits(ab_ahb->stop_state, BIT(ab_ahb->stop_bit), + BIT(ab_ahb->stop_bit)); + + time_left = wait_for_completion_timeout(&ab_ahb->userpd_stopped, + ATH12K_USERPD_STOP_TIMEOUT); + if (!time_left) { + ath12k_err(ab, "UserPD stop wait timed out\n"); + return; + } + + qcom_smem_state_update_bits(ab_ahb->stop_state, BIT(ab_ahb->stop_bit), 0); + + pasid = (u32_encode_bits(ab_ahb->userpd_id, ATH12K_USERPD_ID_MASK)) | + ATH12K_AHB_UPD_SWID; + /* Release the firmware */ + ret = qcom_scm_pas_shutdown(pasid); + if (ret) + ath12k_err(ab, "scm pas shutdown failed for userPD%d: %d\n", + ab_ahb->userpd_id, ret); +} + static void ath12k_ahb_init_qmi_ce_config(struct ath12k_base *ab) { struct ath12k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg; @@ -679,6 +707,7 @@ static const struct ath12k_hif_ops ath12k_ahb_hif_ops_ipq5332 = { .irq_disable = ath12k_ahb_ext_irq_disable, .map_service_to_pipe = ath12k_ahb_map_service_to_pipe, .power_up = ath12k_ahb_power_up, + .power_down = ath12k_ahb_power_down, }; static irqreturn_t ath12k_userpd_irq_handler(int irq, void *data) @@ -1095,6 +1124,7 @@ static void ath12k_ahb_remove(struct platform_device *pdev) struct ath12k_base *ab = platform_get_drvdata(pdev); if (test_bit(ATH12K_FLAG_QMI_FAIL, &ab->dev_flags)) { + ath12k_ahb_power_down(ab, false); ath12k_qmi_deinit_service(ab); goto qmi_fail; } From c0dd3f4f70918cbcdd8da611811036a91b7dce33 Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Fri, 21 Mar 2025 16:22:50 +0530 Subject: [PATCH 020/104] wifi: ath12k: enable ath12k AHB support Currently only PCI devices are supported in Ath12k driver. Refactor Ath12k module_init and module_exit to include Ath12k AHB support. Add Ath12k AHB support in Kconfig with dependency on Remoteproc driver. Ath12k AHB support relies on remoteproc driver for firmware download, power up/down etc. Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Co-developed-by: P Praneesh Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Raj Kumar Bhagat Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-13-bb389ed76ae5@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/Kconfig | 8 ++++++ drivers/net/wireless/ath/ath12k/Makefile | 1 + drivers/net/wireless/ath/ath12k/ahb.h | 11 ++++++++ drivers/net/wireless/ath/ath12k/core.c | 35 ++++++++++++++++++++++-- drivers/net/wireless/ath/ath12k/pci.c | 10 ++----- drivers/net/wireless/ath/ath12k/pci.h | 4 ++- 6 files changed, 57 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/Kconfig b/drivers/net/wireless/ath/ath12k/Kconfig index 52a1bb19e3da..b3b15e1eb282 100644 --- a/drivers/net/wireless/ath/ath12k/Kconfig +++ b/drivers/net/wireless/ath/ath12k/Kconfig @@ -15,6 +15,14 @@ config ATH12K If you choose to build a module, it'll be called ath12k. +config ATH12K_AHB + bool "QTI ath12k AHB support" + depends on ATH12K && REMOTEPROC + select QCOM_MDT_LOADER + select QCOM_SCM + help + Enable support for Ath12k AHB bus chipsets, example IPQ5332. + config ATH12K_DEBUG bool "ath12k debugging" depends on ATH12K diff --git a/drivers/net/wireless/ath/ath12k/Makefile b/drivers/net/wireless/ath/ath12k/Makefile index 60644cb42c76..d95ee525a6cd 100644 --- a/drivers/net/wireless/ath/ath12k/Makefile +++ b/drivers/net/wireless/ath/ath12k/Makefile @@ -23,6 +23,7 @@ ath12k-y += core.o \ fw.o \ p2p.o +ath12k-$(CONFIG_ATH12K_AHB) += ahb.o ath12k-$(CONFIG_ATH12K_DEBUGFS) += debugfs.o debugfs_htt_stats.o debugfs_sta.o ath12k-$(CONFIG_ACPI) += acpi.o ath12k-$(CONFIG_ATH12K_TRACING) += trace.o diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h index f8a5c43075c1..d56244b20a6a 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.h +++ b/drivers/net/wireless/ath/ath12k/ahb.h @@ -66,4 +66,15 @@ static inline struct ath12k_ahb *ath12k_ab_to_ahb(struct ath12k_base *ab) return (struct ath12k_ahb *)ab->drv_priv; } +#ifdef CONFIG_ATH12K_AHB +int ath12k_ahb_init(void); +void ath12k_ahb_exit(void); +#else +static inline int ath12k_ahb_init(void) +{ + return 0; +} + +static inline void ath12k_ahb_exit(void) {}; +#endif #endif diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index ecac5497e36e..a27c8043a091 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -10,15 +10,18 @@ #include #include #include +#include "ahb.h" #include "core.h" #include "dp_tx.h" #include "dp_rx.h" #include "debug.h" -#include "hif.h" -#include "fw.h" #include "debugfs.h" +#include "fw.h" +#include "hif.h" +#include "pci.h" #include "wow.h" +static int ahb_err, pci_err; unsigned int ath12k_debug_mask; module_param_named(debug_mask, ath12k_debug_mask, uint, 0644); MODULE_PARM_DESC(debug_mask, "Debugging mask"); @@ -2073,5 +2076,31 @@ struct ath12k_base *ath12k_core_alloc(struct device *dev, size_t priv_size, return NULL; } -MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11be wireless LAN cards."); +static int ath12k_init(void) +{ + ahb_err = ath12k_ahb_init(); + if (ahb_err) + pr_warn("Failed to initialize ath12k AHB device: %d\n", ahb_err); + + pci_err = ath12k_pci_init(); + if (pci_err) + pr_warn("Failed to initialize ath12k PCI device: %d\n", pci_err); + + /* If both failed, return one of the failures (arbitrary) */ + return ahb_err && pci_err ? ahb_err : 0; +} + +static void ath12k_exit(void) +{ + if (!pci_err) + ath12k_pci_exit(); + + if (!ahb_err) + ath12k_ahb_exit(); +} + +module_init(ath12k_init); +module_exit(ath12k_exit); + +MODULE_DESCRIPTION("Driver support for Qualcomm Technologies 802.11be WLAN devices"); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index b474696ac6d8..e62b172c7f9f 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1831,7 +1831,7 @@ static struct pci_driver ath12k_pci_driver = { .driver.pm = &ath12k_pci_pm_ops, }; -static int ath12k_pci_init(void) +int ath12k_pci_init(void) { int ret; @@ -1844,14 +1844,8 @@ static int ath12k_pci_init(void) return 0; } -module_init(ath12k_pci_init); -static void ath12k_pci_exit(void) +void ath12k_pci_exit(void) { pci_unregister_driver(&ath12k_pci_driver); } - -module_exit(ath12k_pci_exit); - -MODULE_DESCRIPTION("Driver support for Qualcomm Technologies PCIe 802.11be WLAN devices"); -MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/ath/ath12k/pci.h b/drivers/net/wireless/ath/ath12k/pci.h index 31584a7ad80e..521fa72333bb 100644 --- a/drivers/net/wireless/ath/ath12k/pci.h +++ b/drivers/net/wireless/ath/ath12k/pci.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_PCI_H #define ATH12K_PCI_H @@ -145,4 +145,6 @@ void ath12k_pci_stop(struct ath12k_base *ab); int ath12k_pci_start(struct ath12k_base *ab); int ath12k_pci_power_up(struct ath12k_base *ab); void ath12k_pci_power_down(struct ath12k_base *ab, bool is_suspend); +int ath12k_pci_init(void); +void ath12k_pci_exit(void); #endif /* ATH12K_PCI_H */ From 2826139f9295821fe2b049318a1cc057ec003131 Mon Sep 17 00:00:00 2001 From: Hari Chandrakanthan Date: Mon, 24 Mar 2025 11:55:09 +0530 Subject: [PATCH 021/104] wifi: ath12k: fix link valid field initialization in the monitor Rx Currently, the link_valid field is not initialized in the monitor Rx path. This can result in random values for the link_valid and link_id leads to undefined behaviour in mac80211. Therefore, initialize the link_valid field in the monitor Rx path. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Hari Chandrakanthan Tested-by: Nicolas Escande Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-2-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_mon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index d22800e89485..b1350e60e213 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1970,6 +1970,8 @@ static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct bool is_mcbc = rxcb->is_mcbc; bool is_eapol_tkip = rxcb->is_eapol; + status->link_valid = 0; + if ((status->encoding == RX_ENC_HE) && !(status->flag & RX_FLAG_RADIOTAP_HE) && !(status->flag & RX_FLAG_SKIP_MONITOR)) { he = skb_push(msdu, sizeof(known)); From 3973cda5ef496fd412fdec2c7c3403ac90e391b8 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Mon, 24 Mar 2025 11:55:10 +0530 Subject: [PATCH 022/104] wifi: ath12k: Add extra TLV tag parsing support in monitor Rx path Currently, the monitor Rx parser handler is inherited from the ath11k. However, the ath12k 802.11be hardware does not report the Rx TLV header in the MSDU data. Instead, the hardware reports those TLVs under the following TLV tags: 1. Buffer address 2. MPDU start 3. MPDU end 4. MSDU end Therefore, add support for parsing the above TLVs in the Rx monitor path and use this information for MSDU buffer and status updates. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Tested-by: Nicolas Escande Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-3-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp.h | 2 + drivers/net/wireless/ath/ath12k/dp_mon.c | 157 ++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/dp_mon.h | 4 +- drivers/net/wireless/ath/ath12k/dp_rx.c | 2 + drivers/net/wireless/ath/ath12k/hal_rx.h | 12 +- 5 files changed, 170 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h index 75435a931548..427a87b63dec 100644 --- a/drivers/net/wireless/ath/ath12k/dp.h +++ b/drivers/net/wireless/ath/ath12k/dp.h @@ -106,6 +106,8 @@ struct dp_mon_mpdu { struct list_head list; struct sk_buff *head; struct sk_buff *tail; + u32 err_bitmap; + u8 decap_format; }; #define DP_MON_MAX_STATUS_BUF 32 diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index b1350e60e213..f4d481fe5b2f 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1647,7 +1647,7 @@ ath12k_dp_mon_rx_parse_status_tlv(struct ath12k *ar, u32_get_bits(info[0], HAL_RX_MPDU_START_INFO0_PPDU_ID); } - break; + return HAL_RX_MON_STATUS_MPDU_START; } case HAL_RX_MSDU_START: /* TODO: add msdu start parsing logic */ @@ -2090,6 +2090,144 @@ static int ath12k_dp_mon_rx_deliver(struct ath12k *ar, return -EINVAL; } +static int ath12k_dp_pkt_set_pktlen(struct sk_buff *skb, u32 len) +{ + if (skb->len > len) { + skb_trim(skb, len); + } else { + if (skb_tailroom(skb) < len - skb->len) { + if ((pskb_expand_head(skb, 0, + len - skb->len - skb_tailroom(skb), + GFP_ATOMIC))) { + return -ENOMEM; + } + } + skb_put(skb, (len - skb->len)); + } + + return 0; +} + +static void ath12k_dp_mon_parse_rx_msdu_end_err(u32 info, u32 *errmap) +{ + if (info & RX_MSDU_END_INFO13_FCS_ERR) + *errmap |= HAL_RX_MPDU_ERR_FCS; + + if (info & RX_MSDU_END_INFO13_DECRYPT_ERR) + *errmap |= HAL_RX_MPDU_ERR_DECRYPT; + + if (info & RX_MSDU_END_INFO13_TKIP_MIC_ERR) + *errmap |= HAL_RX_MPDU_ERR_TKIP_MIC; + + if (info & RX_MSDU_END_INFO13_A_MSDU_ERROR) + *errmap |= HAL_RX_MPDU_ERR_AMSDU_ERR; + + if (info & RX_MSDU_END_INFO13_OVERFLOW_ERR) + *errmap |= HAL_RX_MPDU_ERR_OVERFLOW; + + if (info & RX_MSDU_END_INFO13_MSDU_LEN_ERR) + *errmap |= HAL_RX_MPDU_ERR_MSDU_LEN; + + if (info & RX_MSDU_END_INFO13_MPDU_LEN_ERR) + *errmap |= HAL_RX_MPDU_ERR_MPDU_LEN; +} + +static int +ath12k_dp_mon_parse_status_msdu_end(struct ath12k_mon_data *pmon, + const struct hal_rx_msdu_end *msdu_end) +{ + struct dp_mon_mpdu *mon_mpdu = pmon->mon_mpdu; + + ath12k_dp_mon_parse_rx_msdu_end_err(__le32_to_cpu(msdu_end->info2), + &mon_mpdu->err_bitmap); + + mon_mpdu->decap_format = le32_get_bits(msdu_end->info1, + RX_MSDU_END_INFO11_DECAP_FORMAT); + + return 0; +} + +static int +ath12k_dp_mon_parse_status_buf(struct ath12k *ar, + struct ath12k_mon_data *pmon, + const struct dp_mon_packet_info *packet_info) +{ + struct ath12k_base *ab = ar->ab; + struct dp_rxdma_mon_ring *buf_ring = &ab->dp.rxdma_mon_buf_ring; + struct sk_buff *msdu; + int buf_id; + u32 offset; + + buf_id = u32_get_bits(packet_info->cookie, DP_RXDMA_BUF_COOKIE_BUF_ID); + + spin_lock_bh(&buf_ring->idr_lock); + msdu = idr_remove(&buf_ring->bufs_idr, buf_id); + spin_unlock_bh(&buf_ring->idr_lock); + + if (unlikely(!msdu)) { + ath12k_warn(ab, "mon dest desc with inval buf_id %d\n", buf_id); + return 0; + } + + dma_unmap_single(ab->dev, ATH12K_SKB_RXCB(msdu)->paddr, + msdu->len + skb_tailroom(msdu), + DMA_FROM_DEVICE); + + offset = packet_info->dma_length + ATH12K_MON_RX_DOT11_OFFSET; + if (ath12k_dp_pkt_set_pktlen(msdu, offset)) { + dev_kfree_skb_any(msdu); + goto dest_replenish; + } + + if (!pmon->mon_mpdu->head) + pmon->mon_mpdu->head = msdu; + else + pmon->mon_mpdu->tail->next = msdu; + + pmon->mon_mpdu->tail = msdu; + +dest_replenish: + ath12k_dp_mon_buf_replenish(ab, buf_ring, 1); + + return 0; +} + +static int +ath12k_dp_mon_parse_rx_dest_tlv(struct ath12k *ar, + struct ath12k_mon_data *pmon, + enum hal_rx_mon_status hal_status, + const void *tlv_data) +{ + switch (hal_status) { + case HAL_RX_MON_STATUS_MPDU_START: + if (WARN_ON_ONCE(pmon->mon_mpdu)) + break; + + pmon->mon_mpdu = kzalloc(sizeof(*pmon->mon_mpdu), GFP_ATOMIC); + if (!pmon->mon_mpdu) + return -ENOMEM; + break; + case HAL_RX_MON_STATUS_BUF_ADDR: + return ath12k_dp_mon_parse_status_buf(ar, pmon, tlv_data); + case HAL_RX_MON_STATUS_MPDU_END: + /* If no MSDU then free empty MPDU */ + if (pmon->mon_mpdu->tail) { + pmon->mon_mpdu->tail->next = NULL; + list_add_tail(&pmon->mon_mpdu->list, &pmon->dp_rx_mon_mpdu_list); + } else { + kfree(pmon->mon_mpdu); + } + pmon->mon_mpdu = NULL; + break; + case HAL_RX_MON_STATUS_MSDU_END: + return ath12k_dp_mon_parse_status_msdu_end(pmon, tlv_data); + default: + break; + } + + return 0; +} + static enum hal_rx_mon_status ath12k_dp_mon_parse_rx_dest(struct ath12k *ar, struct ath12k_mon_data *pmon, struct sk_buff *skb) @@ -2116,14 +2254,20 @@ ath12k_dp_mon_parse_rx_dest(struct ath12k *ar, struct ath12k_mon_data *pmon, tlv_len = le64_get_bits(tlv->tl, HAL_TLV_64_HDR_LEN); hal_status = ath12k_dp_mon_rx_parse_status_tlv(ar, pmon, tlv); + + if (ar->monitor_started && + ath12k_dp_mon_parse_rx_dest_tlv(ar, pmon, hal_status, tlv->value)) + return HAL_RX_MON_STATUS_PPDU_DONE; + ptr += sizeof(*tlv) + tlv_len; ptr = PTR_ALIGN(ptr, HAL_TLV_64_ALIGN); - if ((ptr - skb->data) >= DP_RX_BUFFER_SIZE) + if ((ptr - skb->data) > skb->len) break; } while ((hal_status == HAL_RX_MON_STATUS_PPDU_NOT_DONE) || (hal_status == HAL_RX_MON_STATUS_BUF_ADDR) || + (hal_status == HAL_RX_MON_STATUS_MPDU_START) || (hal_status == HAL_RX_MON_STATUS_MPDU_END) || (hal_status == HAL_RX_MON_STATUS_MSDU_END)); @@ -2144,9 +2288,11 @@ ath12k_dp_mon_rx_parse_mon_status(struct ath12k *ar, struct dp_mon_mpdu *tmp; struct dp_mon_mpdu *mon_mpdu = pmon->mon_mpdu; struct sk_buff *head_msdu, *tail_msdu; - enum hal_rx_mon_status hal_status = HAL_RX_MON_STATUS_BUF_DONE; + enum hal_rx_mon_status hal_status; - ath12k_dp_mon_parse_rx_dest(ar, pmon, skb); + hal_status = ath12k_dp_mon_parse_rx_dest(ar, pmon, skb); + if (hal_status != HAL_RX_MON_STATUS_PPDU_DONE) + return hal_status; list_for_each_entry_safe(mon_mpdu, tmp, &pmon->dp_rx_mon_mpdu_list, list) { list_del(&mon_mpdu->list); @@ -2160,6 +2306,7 @@ ath12k_dp_mon_rx_parse_mon_status(struct ath12k *ar, kfree(mon_mpdu); } + return hal_status; } @@ -3348,7 +3495,7 @@ int ath12k_dp_mon_srng_process(struct ath12k *ar, int *budget, ath12k_dp_mon_rx_memset_ppdu_info(ppdu_info); while ((skb = __skb_dequeue(&skb_list))) { - hal_status = ath12k_dp_mon_parse_rx_dest(ar, pmon, skb); + hal_status = ath12k_dp_mon_rx_parse_mon_status(ar, pmon, skb, napi); if (hal_status != HAL_RX_MON_STATUS_PPDU_DONE) { ppdu_info->ppdu_continuation = true; dev_kfree_skb_any(skb); diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.h b/drivers/net/wireless/ath/ath12k/dp_mon.h index e4368eb42aca..b039f6b9277c 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.h +++ b/drivers/net/wireless/ath/ath12k/dp_mon.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_DP_MON_H @@ -9,6 +9,8 @@ #include "core.h" +#define ATH12K_MON_RX_DOT11_OFFSET 5 + enum dp_monitor_mode { ATH12K_DP_TX_MONITOR_MODE, ATH12K_DP_RX_MONITOR_MODE diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index ff6a709b5042..46460361986f 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -4480,6 +4480,8 @@ int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar) pmon->mon_last_linkdesc_paddr = 0; pmon->mon_last_buf_cookie = DP_RX_DESC_COOKIE_MAX + 1; + INIT_LIST_HEAD(&pmon->dp_rx_mon_mpdu_list); + pmon->mon_mpdu = NULL; spin_lock_init(&pmon->mon_lock); return 0; diff --git a/drivers/net/wireless/ath/ath12k/hal_rx.h b/drivers/net/wireless/ath/ath12k/hal_rx.h index 6bdcd0867d86..6f10e4222ba6 100644 --- a/drivers/net/wireless/ath/ath12k/hal_rx.h +++ b/drivers/net/wireless/ath/ath12k/hal_rx.h @@ -108,11 +108,12 @@ enum hal_rx_mon_status { HAL_RX_MON_STATUS_PPDU_DONE, HAL_RX_MON_STATUS_BUF_DONE, HAL_RX_MON_STATUS_BUF_ADDR, + HAL_RX_MON_STATUS_MPDU_START, HAL_RX_MON_STATUS_MPDU_END, HAL_RX_MON_STATUS_MSDU_END, }; -#define HAL_RX_MAX_MPDU 256 +#define HAL_RX_MAX_MPDU 1024 #define HAL_RX_NUM_WORDS_PER_PPDU_BITMAP (HAL_RX_MAX_MPDU >> 5) struct hal_rx_user_status { @@ -506,6 +507,15 @@ struct hal_rx_mpdu_start { __le32 rsvd2[16]; } __packed; +struct hal_rx_msdu_end { + __le32 info0; + __le32 rsvd0[18]; + __le32 info1; + __le32 rsvd1[10]; + __le32 info2; + __le32 rsvd2; +} __packed; + #define HAL_RX_PPDU_END_DURATION GENMASK(23, 0) struct hal_rx_ppdu_end_duration { __le32 rsvd0[9]; From a6621bf6397ae6981b5041ba0a127e7dbeade746 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Mon, 24 Mar 2025 11:55:11 +0530 Subject: [PATCH 023/104] wifi: ath12k: Avoid fetch Error bitmap and decap format from Rx TLV Currently, error bitmap and decap format information are fetched from the MSDU Rx TLV data. This logic is inherited from ath11k. However, for ath12k 802.11be hardware, the Rx TLV will not be present in the MSDU data. Instead, this information is reported separately under the MSDU END TLV tag. Therefore, remove the existing fetch code, handle the MSDU END TLV tag and fetch the above information to store it in the mon_mpdu data structure for use in the merge MSDU procedure. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Tested-by: Nicolas Escande Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-4-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_mon.c | 58 ++++++++++-------------- 1 file changed, 23 insertions(+), 35 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index f4d481fe5b2f..c613f8408c84 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1702,30 +1702,26 @@ static void ath12k_dp_mon_rx_msdus_set_payload(struct ath12k *ar, static struct sk_buff * ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, - struct sk_buff *head_msdu, struct sk_buff *tail_msdu, - struct ieee80211_rx_status *rxs, bool *fcs_err) + struct dp_mon_mpdu *mon_mpdu, + struct ieee80211_rx_status *rxs) { struct ath12k_base *ab = ar->ab; struct sk_buff *msdu, *mpdu_buf, *prev_buf, *head_frag_list; + struct sk_buff *head_msdu, *tail_msdu; struct hal_rx_desc *rx_desc, *tail_rx_desc; - u8 *hdr_desc, *dest, decap_format; + u8 *hdr_desc, *dest, decap_format = mon_mpdu->decap_format; struct ieee80211_hdr_3addr *wh; - u32 err_bitmap, frag_list_sum_len = 0; + u32 frag_list_sum_len = 0; mpdu_buf = NULL; + head_msdu = mon_mpdu->head; + tail_msdu = mon_mpdu->tail; if (!head_msdu) goto err_merge_fail; - rx_desc = (struct hal_rx_desc *)head_msdu->data; tail_rx_desc = (struct hal_rx_desc *)tail_msdu->data; - err_bitmap = ath12k_dp_rx_h_mpdu_err(ab, tail_rx_desc); - if (err_bitmap & HAL_RX_MPDU_ERR_FCS) - *fcs_err = true; - - decap_format = ath12k_dp_rx_h_decap_type(ab, tail_rx_desc); - ath12k_dp_rx_h_ppdu(ar, tail_rx_desc, rxs); if (decap_format == DP_RX_DECAP_TYPE_RAW) { @@ -1954,7 +1950,8 @@ static void ath12k_dp_mon_update_radiotap(struct ath12k *ar, static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *napi, struct sk_buff *msdu, - struct ieee80211_rx_status *status) + struct ieee80211_rx_status *status, + u8 decap) { static const struct ieee80211_radiotap_he known = { .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN | @@ -1966,7 +1963,6 @@ static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct struct ieee80211_sta *pubsta = NULL; struct ath12k_peer *peer; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - u8 decap = DP_RX_DECAP_TYPE_RAW; bool is_mcbc = rxcb->is_mcbc; bool is_eapol_tkip = rxcb->is_eapol; @@ -1979,8 +1975,6 @@ static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct status->flag |= RX_FLAG_RADIOTAP_HE; } - if (!(status->flag & RX_FLAG_ONLY_MONITOR)) - decap = ath12k_dp_rx_h_decap_type(ar->ab, rxcb->rx_desc); spin_lock_bh(&ar->ab->base_lock); peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu); if (peer && peer->sta) { @@ -2037,25 +2031,23 @@ static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct } static int ath12k_dp_mon_rx_deliver(struct ath12k *ar, - struct sk_buff *head_msdu, struct sk_buff *tail_msdu, + struct dp_mon_mpdu *mon_mpdu, struct hal_rx_mon_ppdu_info *ppduinfo, struct napi_struct *napi) { struct ath12k_pdev_dp *dp = &ar->dp; struct sk_buff *mon_skb, *skb_next, *header; struct ieee80211_rx_status *rxs = &dp->rx_status; - bool fcs_err = false; + u8 decap = DP_RX_DECAP_TYPE_RAW; - mon_skb = ath12k_dp_mon_rx_merg_msdus(ar, - head_msdu, tail_msdu, - rxs, &fcs_err); + mon_skb = ath12k_dp_mon_rx_merg_msdus(ar, mon_mpdu, rxs); if (!mon_skb) goto mon_deliver_fail; header = mon_skb; rxs->flag = 0; - if (fcs_err) + if (mon_mpdu->err_bitmap & HAL_RX_MPDU_ERR_FCS) rxs->flag = RX_FLAG_FAILED_FCS_CRC; do { @@ -2072,8 +2064,12 @@ static int ath12k_dp_mon_rx_deliver(struct ath12k *ar, rxs->flag |= RX_FLAG_ALLOW_SAME_PN; } rxs->flag |= RX_FLAG_ONLY_MONITOR; + + if (!(rxs->flag & RX_FLAG_ONLY_MONITOR)) + decap = mon_mpdu->decap_format; + ath12k_dp_mon_update_radiotap(ar, ppduinfo, mon_skb, rxs); - ath12k_dp_mon_rx_deliver_msdu(ar, napi, mon_skb, rxs); + ath12k_dp_mon_rx_deliver_msdu(ar, napi, mon_skb, rxs, decap); mon_skb = skb_next; } while (mon_skb); rxs->flag = 0; @@ -2081,7 +2077,7 @@ static int ath12k_dp_mon_rx_deliver(struct ath12k *ar, return 0; mon_deliver_fail: - mon_skb = head_msdu; + mon_skb = mon_mpdu->head; while (mon_skb) { skb_next = mon_skb->next; dev_kfree_skb_any(mon_skb); @@ -2287,7 +2283,6 @@ ath12k_dp_mon_rx_parse_mon_status(struct ath12k *ar, struct hal_rx_mon_ppdu_info *ppdu_info = &pmon->mon_ppdu_info; struct dp_mon_mpdu *tmp; struct dp_mon_mpdu *mon_mpdu = pmon->mon_mpdu; - struct sk_buff *head_msdu, *tail_msdu; enum hal_rx_mon_status hal_status; hal_status = ath12k_dp_mon_parse_rx_dest(ar, pmon, skb); @@ -2296,13 +2291,9 @@ ath12k_dp_mon_rx_parse_mon_status(struct ath12k *ar, list_for_each_entry_safe(mon_mpdu, tmp, &pmon->dp_rx_mon_mpdu_list, list) { list_del(&mon_mpdu->list); - head_msdu = mon_mpdu->head; - tail_msdu = mon_mpdu->tail; - if (head_msdu && tail_msdu) { - ath12k_dp_mon_rx_deliver(ar, head_msdu, - tail_msdu, ppdu_info, napi); - } + if (mon_mpdu->head && mon_mpdu->tail) + ath12k_dp_mon_rx_deliver(ar, mon_mpdu, ppdu_info, napi); kfree(mon_mpdu); } @@ -2987,16 +2978,13 @@ ath12k_dp_mon_tx_process_ppdu_info(struct ath12k *ar, struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct dp_mon_mpdu *tmp, *mon_mpdu; - struct sk_buff *head_msdu, *tail_msdu; list_for_each_entry_safe(mon_mpdu, tmp, &tx_ppdu_info->dp_tx_mon_mpdu_list, list) { list_del(&mon_mpdu->list); - head_msdu = mon_mpdu->head; - tail_msdu = mon_mpdu->tail; - if (head_msdu) - ath12k_dp_mon_rx_deliver(ar, head_msdu, tail_msdu, + if (mon_mpdu->head) + ath12k_dp_mon_rx_deliver(ar, mon_mpdu, &tx_ppdu_info->rx_status, napi); kfree(mon_mpdu); From 6a88093f79ea0b131e5feab9cdc045a007fad26e Mon Sep 17 00:00:00 2001 From: Karthikeyan Periyasamy Date: Mon, 24 Mar 2025 11:55:12 +0530 Subject: [PATCH 024/104] wifi: ath12k: Replace band define G with GHZ where appropriate Currently, band define and enum are with the word 'G'. Replace it with more appropriate 'GHZ' for clarity and correctness. No functional changes. Only compile tested. Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-5-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 8 ++-- drivers/net/wireless/ath/ath12k/debugfs.c | 4 +- drivers/net/wireless/ath/ath12k/dp_rx.c | 4 +- drivers/net/wireless/ath/ath12k/mac.c | 52 +++++++++++------------ drivers/net/wireless/ath/ath12k/wmi.c | 36 ++++++++-------- drivers/net/wireless/ath/ath12k/wmi.h | 16 +++---- 6 files changed, 60 insertions(+), 60 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 9bf20f7b6cfe..2a1ad27e331c 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -536,11 +536,11 @@ struct ath12k_sta { enum ieee80211_sta_state state; }; -#define ATH12K_MIN_5G_FREQ 4150 -#define ATH12K_MIN_6G_FREQ 5925 -#define ATH12K_MAX_6G_FREQ 7115 +#define ATH12K_MIN_5GHZ_FREQ 4150 +#define ATH12K_MIN_6GHZ_FREQ 5925 +#define ATH12K_MAX_6GHZ_FREQ 7115 #define ATH12K_NUM_CHANS 101 -#define ATH12K_MAX_5G_CHAN 173 +#define ATH12K_MAX_5GHZ_CHAN 173 enum ath12k_hw_state { ATH12K_HW_STATE_OFF, diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index 44322db70c85..e8a2d0eefa43 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -88,8 +88,8 @@ static int ath12k_get_tpc_ctl_mode_idx(struct wmi_tpc_stats_arg *tpc_stats, u32 chan_freq = le32_to_cpu(tpc_stats->tpc_config.chan_freq); u8 band; - band = ((chan_freq > ATH12K_MIN_6G_FREQ) ? NL80211_BAND_6GHZ : - ((chan_freq > ATH12K_MIN_5G_FREQ) ? NL80211_BAND_5GHZ : + band = ((chan_freq > ATH12K_MIN_6GHZ_FREQ) ? NL80211_BAND_6GHZ : + ((chan_freq > ATH12K_MIN_5GHZ_FREQ) ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ)); if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) { diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 46460361986f..66603e9c154b 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -2433,8 +2433,8 @@ void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, channel_num = meta_data; center_freq = meta_data >> 16; - if (center_freq >= ATH12K_MIN_6G_FREQ && - center_freq <= ATH12K_MAX_6G_FREQ) { + if (center_freq >= ATH12K_MIN_6GHZ_FREQ && + center_freq <= ATH12K_MAX_6GHZ_FREQ) { rx_status->band = NL80211_BAND_6GHZ; rx_status->freq = center_freq; } else if (channel_num >= 1 && channel_num <= 14) { diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 842eda56c8b1..245adb73df04 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -874,12 +874,12 @@ static bool ath12k_mac_band_match(enum nl80211_band band1, enum WMI_HOST_WLAN_BA { switch (band1) { case NL80211_BAND_2GHZ: - if (band2 & WMI_HOST_WLAN_2G_CAP) + if (band2 & WMI_HOST_WLAN_2GHZ_CAP) return true; break; case NL80211_BAND_5GHZ: case NL80211_BAND_6GHZ: - if (band2 & WMI_HOST_WLAN_5G_CAP) + if (band2 & WMI_HOST_WLAN_5GHZ_CAP) return true; break; default: @@ -980,7 +980,7 @@ static int ath12k_mac_txpower_recalc(struct ath12k *ar) ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "txpower to set in hw %d\n", txpower / 2); - if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) && + if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2GHZ_CAP) && ar->txpower_limit_2g != txpower) { param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G; ret = ath12k_wmi_pdev_set_param(ar, param, @@ -990,7 +990,7 @@ static int ath12k_mac_txpower_recalc(struct ath12k *ar) ar->txpower_limit_2g = txpower; } - if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) && + if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP) && ar->txpower_limit_5g != txpower) { param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G; ret = ath12k_wmi_pdev_set_param(ar, param, @@ -1272,12 +1272,12 @@ static int ath12k_mac_monitor_vdev_create(struct ath12k *ar) arg.pdev_id = pdev->pdev_id; arg.if_stats_id = ATH12K_INVAL_VDEV_STATS_ID; - if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) { + if (pdev->cap.supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { arg.chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; arg.chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; } - if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) { + if (pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { arg.chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; arg.chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; } @@ -3988,7 +3988,7 @@ static void ath12k_mac_bss_info_changed(struct ath12k *ar, else rateidx = ffs(info->basic_rates) - 1; - if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) + if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP) rateidx += ATH12K_MAC_FIRST_OFDM_RATE_IDX; bitrate = ath12k_legacy_rates[rateidx].bitrate; @@ -4162,9 +4162,9 @@ ath12k_mac_select_scan_device(struct ieee80211_hw *hw, * split the hw request and perform multiple scans */ - if (center_freq < ATH12K_MIN_5G_FREQ) + if (center_freq < ATH12K_MIN_5GHZ_FREQ) band = NL80211_BAND_2GHZ; - else if (center_freq < ATH12K_MIN_6G_FREQ) + else if (center_freq < ATH12K_MIN_6GHZ_FREQ) band = NL80211_BAND_5GHZ; else band = NL80211_BAND_6GHZ; @@ -6614,7 +6614,7 @@ static void ath12k_mac_setup_ht_vht_cap(struct ath12k *ar, rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift; rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift; - if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { + if (cap->supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { band = &ar->mac.sbands[NL80211_BAND_2GHZ]; ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info; if (ht_cap_info) @@ -6623,7 +6623,7 @@ static void ath12k_mac_setup_ht_vht_cap(struct ath12k *ar, rate_cap_rx_chainmask); } - if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && + if (cap->supported_bands & WMI_HOST_WLAN_5GHZ_CAP && (ar->ab->hw_params->single_pdev_only || !ar->supports_6ghz)) { band = &ar->mac.sbands[NL80211_BAND_5GHZ]; @@ -7032,7 +7032,7 @@ static void ath12k_mac_setup_sband_iftype_data(struct ath12k *ar, enum nl80211_band band; int count; - if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { + if (cap->supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { band = NL80211_BAND_2GHZ; count = ath12k_mac_copy_sband_iftype_data(ar, cap, ar->mac.iftype[band], @@ -7042,7 +7042,7 @@ static void ath12k_mac_setup_sband_iftype_data(struct ath12k *ar, count); } - if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) { + if (cap->supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { band = NL80211_BAND_5GHZ; count = ath12k_mac_copy_sband_iftype_data(ar, cap, ar->mac.iftype[band], @@ -7052,7 +7052,7 @@ static void ath12k_mac_setup_sband_iftype_data(struct ath12k *ar, count); } - if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP && + if (cap->supported_bands & WMI_HOST_WLAN_5GHZ_CAP && ar->supports_6ghz) { band = NL80211_BAND_6GHZ; count = ath12k_mac_copy_sband_iftype_data(ar, cap, @@ -8043,15 +8043,15 @@ static int ath12k_mac_setup_vdev_create_arg(struct ath12k_link_vif *arvif, return ret; } - if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) { + if (pdev->cap.supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { arg->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; arg->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; } - if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) { + if (pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { arg->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; arg->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; } - if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP && + if (pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP && ar->supports_6ghz) { arg->chains[NL80211_BAND_6GHZ].tx = ar->num_tx_chains; arg->chains[NL80211_BAND_6GHZ].rx = ar->num_rx_chains; @@ -8080,7 +8080,7 @@ ath12k_mac_prepare_he_mode(struct ath12k_pdev *pdev, u32 viftype) u32 *hecap_phy_ptr = NULL; u32 hemode; - if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) + if (pdev->cap.supported_bands & WMI_HOST_WLAN_2GHZ_CAP) cap_band = &pdev_cap->band[NL80211_BAND_2GHZ]; else cap_band = &pdev_cap->band[NL80211_BAND_5GHZ]; @@ -10762,10 +10762,10 @@ static u32 ath12k_get_phy_id(struct ath12k *ar, u32 band) struct ath12k_pdev *pdev = ar->pdev; struct ath12k_pdev_cap *pdev_cap = &pdev->cap; - if (band == WMI_HOST_WLAN_2G_CAP) + if (band == WMI_HOST_WLAN_2GHZ_CAP) return pdev_cap->band[NL80211_BAND_2GHZ].phy_id; - if (band == WMI_HOST_WLAN_5G_CAP) + if (band == WMI_HOST_WLAN_5GHZ_CAP) return pdev_cap->band[NL80211_BAND_5GHZ].phy_id; ath12k_warn(ar->ab, "unsupported phy cap:%d\n", band); @@ -10790,7 +10790,7 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx]; - if (supported_bands & WMI_HOST_WLAN_2G_CAP) { + if (supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { channels = kmemdup(ath12k_2ghz_channels, sizeof(ath12k_2ghz_channels), GFP_KERNEL); @@ -10806,7 +10806,7 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, bands[NL80211_BAND_2GHZ] = band; if (ar->ab->hw_params->single_pdev_only) { - phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_2G_CAP); + phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_2GHZ_CAP); reg_cap = &ar->ab->hal_reg_cap[phy_id]; } ath12k_mac_update_ch_list(ar, band, @@ -10814,8 +10814,8 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, reg_cap->high_2ghz_chan); } - if (supported_bands & WMI_HOST_WLAN_5G_CAP) { - if (reg_cap->high_5ghz_chan >= ATH12K_MIN_6G_FREQ) { + if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { + if (reg_cap->high_5ghz_chan >= ATH12K_MIN_6GHZ_FREQ) { channels = kmemdup(ath12k_6ghz_channels, sizeof(ath12k_6ghz_channels), GFP_KERNEL); if (!channels) { @@ -10837,7 +10837,7 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, ah->use_6ghz_regd = true; } - if (reg_cap->low_5ghz_chan < ATH12K_MIN_6G_FREQ) { + if (reg_cap->low_5ghz_chan < ATH12K_MIN_6GHZ_FREQ) { channels = kmemdup(ath12k_5ghz_channels, sizeof(ath12k_5ghz_channels), GFP_KERNEL); @@ -10856,7 +10856,7 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, bands[NL80211_BAND_5GHZ] = band; if (ar->ab->hw_params->single_pdev_only) { - phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_5G_CAP); + phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_5GHZ_CAP); reg_cap = &ar->ab->hal_reg_cap[phy_id]; } diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 04dd307ebfc4..c8248675354c 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -521,10 +521,10 @@ ath12k_pull_mac_phy_cap_svc_ready_ext(struct ath12k_wmi_pdev *wmi_handle, * band to band for a single radio, need to see how this should be * handled. */ - if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_2G_CAP) { + if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_2GHZ_CAP) { pdev_cap->tx_chain_mask = le32_to_cpu(mac_caps->tx_chain_mask_2g); pdev_cap->rx_chain_mask = le32_to_cpu(mac_caps->rx_chain_mask_2g); - } else if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_5G_CAP) { + } else if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_5GHZ_CAP) { pdev_cap->vht_cap = le32_to_cpu(mac_caps->vht_cap_info_5g); pdev_cap->vht_mcs = le32_to_cpu(mac_caps->vht_supp_mcs_5g); pdev_cap->he_mcs = le32_to_cpu(mac_caps->he_supp_mcs_5g); @@ -547,7 +547,7 @@ ath12k_pull_mac_phy_cap_svc_ready_ext(struct ath12k_wmi_pdev *wmi_handle, pdev_cap->rx_chain_mask_shift = find_first_bit((unsigned long *)&pdev_cap->rx_chain_mask, 32); - if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_2G_CAP) { + if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_2GHZ_CAP) { cap_band = &pdev_cap->band[NL80211_BAND_2GHZ]; cap_band->phy_id = le32_to_cpu(mac_caps->phy_id); cap_band->max_bw_supported = le32_to_cpu(mac_caps->max_bw_supported_2g); @@ -567,7 +567,7 @@ ath12k_pull_mac_phy_cap_svc_ready_ext(struct ath12k_wmi_pdev *wmi_handle, le32_to_cpu(mac_caps->he_ppet2g.ppet16_ppet8_ru3_ru0[i]); } - if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_5G_CAP) { + if (le32_to_cpu(mac_caps->supported_bands) & WMI_HOST_WLAN_5GHZ_CAP) { cap_band = &pdev_cap->band[NL80211_BAND_5GHZ]; cap_band->phy_id = le32_to_cpu(mac_caps->phy_id); cap_band->max_bw_supported = @@ -3665,15 +3665,15 @@ ath12k_fill_band_to_mac_param(struct ath12k_base *soc, arg[i].pdev_id = pdev->pdev_id; switch (pdev->cap.supported_bands) { - case WMI_HOST_WLAN_2G_5G_CAP: + case WMI_HOST_WLAN_2GHZ_5GHZ_CAP: arg[i].start_freq = hal_reg_cap->low_2ghz_chan; arg[i].end_freq = hal_reg_cap->high_5ghz_chan; break; - case WMI_HOST_WLAN_2G_CAP: + case WMI_HOST_WLAN_2GHZ_CAP: arg[i].start_freq = hal_reg_cap->low_2ghz_chan; arg[i].end_freq = hal_reg_cap->high_2ghz_chan; break; - case WMI_HOST_WLAN_5G_CAP: + case WMI_HOST_WLAN_5GHZ_CAP: arg[i].start_freq = hal_reg_cap->low_5ghz_chan; arg[i].end_freq = hal_reg_cap->high_5ghz_chan; break; @@ -4718,7 +4718,7 @@ ath12k_wmi_tlv_mac_phy_caps_ext_parse(struct ath12k_base *ab, bands = pdev->cap.supported_bands; } - if (bands & WMI_HOST_WLAN_2G_CAP) { + if (bands & WMI_HOST_WLAN_2GHZ_CAP) { ath12k_wmi_eht_caps_parse(pdev, NL80211_BAND_2GHZ, caps->eht_cap_mac_info_2ghz, caps->eht_cap_phy_info_2ghz, @@ -4727,7 +4727,7 @@ ath12k_wmi_tlv_mac_phy_caps_ext_parse(struct ath12k_base *ab, caps->eht_cap_info_internal); } - if (bands & WMI_HOST_WLAN_5G_CAP) { + if (bands & WMI_HOST_WLAN_5GHZ_CAP) { ath12k_wmi_eht_caps_parse(pdev, NL80211_BAND_5GHZ, caps->eht_cap_mac_info_5ghz, caps->eht_cap_phy_info_5ghz, @@ -4941,7 +4941,7 @@ static u8 ath12k_wmi_ignore_num_extra_rules(struct ath12k_wmi_reg_rule_ext_param for (count = 0; count < num_reg_rules; count++) { start_freq = le32_get_bits(rule[count].freq_info, REG_RULE_START_FREQ); - if (start_freq >= ATH12K_MIN_6G_FREQ) + if (start_freq >= ATH12K_MIN_6GHZ_FREQ) num_invalid_5ghz_rules++; } @@ -5011,9 +5011,9 @@ static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab, for (i = 0; i < WMI_REG_CURRENT_MAX_AP_TYPE; i++) { num_6g_reg_rules_ap[i] = reg_info->num_6g_reg_rules_ap[i]; - if (num_6g_reg_rules_ap[i] > MAX_6G_REG_RULES) { + if (num_6g_reg_rules_ap[i] > MAX_6GHZ_REG_RULES) { ath12k_warn(ab, "Num 6G reg rules for AP mode(%d) exceeds max limit (num_6g_reg_rules_ap: %d, max_rules: %d)\n", - i, num_6g_reg_rules_ap[i], MAX_6G_REG_RULES); + i, num_6g_reg_rules_ap[i], MAX_6GHZ_REG_RULES); kfree(tb); return -EINVAL; } @@ -5034,9 +5034,9 @@ static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab, reg_info->num_6g_reg_rules_cl[WMI_REG_VLP_AP][i]; total_reg_rules += num_6g_reg_rules_cl[WMI_REG_VLP_AP][i]; - if (num_6g_reg_rules_cl[WMI_REG_INDOOR_AP][i] > MAX_6G_REG_RULES || - num_6g_reg_rules_cl[WMI_REG_STD_POWER_AP][i] > MAX_6G_REG_RULES || - num_6g_reg_rules_cl[WMI_REG_VLP_AP][i] > MAX_6G_REG_RULES) { + if (num_6g_reg_rules_cl[WMI_REG_INDOOR_AP][i] > MAX_6GHZ_REG_RULES || + num_6g_reg_rules_cl[WMI_REG_STD_POWER_AP][i] > MAX_6GHZ_REG_RULES || + num_6g_reg_rules_cl[WMI_REG_VLP_AP][i] > MAX_6GHZ_REG_RULES) { ath12k_warn(ab, "Num 6g client reg rules exceeds max limit, for client(type: %d)\n", i); kfree(tb); @@ -6336,13 +6336,13 @@ static void ath12k_mgmt_rx_event(struct ath12k_base *ab, struct sk_buff *skb) if (rx_ev.status & WMI_RX_STATUS_ERR_MIC) status->flag |= RX_FLAG_MMIC_ERROR; - if (rx_ev.chan_freq >= ATH12K_MIN_6G_FREQ && - rx_ev.chan_freq <= ATH12K_MAX_6G_FREQ) { + if (rx_ev.chan_freq >= ATH12K_MIN_6GHZ_FREQ && + rx_ev.chan_freq <= ATH12K_MAX_6GHZ_FREQ) { status->band = NL80211_BAND_6GHZ; status->freq = rx_ev.chan_freq; } else if (rx_ev.channel >= 1 && rx_ev.channel <= 14) { status->band = NL80211_BAND_2GHZ; - } else if (rx_ev.channel >= 36 && rx_ev.channel <= ATH12K_MAX_5G_CHAN) { + } else if (rx_ev.channel >= 36 && rx_ev.channel <= ATH12K_MAX_5GHZ_CHAN) { status->band = NL80211_BAND_5GHZ; } else { /* Shouldn't happen unless list of advertised channels to diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 1ba33e30ddd2..be4ac91dd34f 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -216,9 +216,9 @@ enum wmi_host_hw_mode_priority { }; enum WMI_HOST_WLAN_BAND { - WMI_HOST_WLAN_2G_CAP = 1, - WMI_HOST_WLAN_5G_CAP = 2, - WMI_HOST_WLAN_2G_5G_CAP = 3, + WMI_HOST_WLAN_2GHZ_CAP = 1, + WMI_HOST_WLAN_5GHZ_CAP = 2, + WMI_HOST_WLAN_2GHZ_5GHZ_CAP = 3, }; enum wmi_cmd_group { @@ -2690,8 +2690,8 @@ enum wmi_channel_width { * 2 - index for 160 MHz, first 3 bytes valid * 3 - index for 320 MHz, first 3 bytes valid */ -#define WMI_MAX_EHT_SUPP_MCS_2G_SIZE 2 -#define WMI_MAX_EHT_SUPP_MCS_5G_SIZE 4 +#define WMI_MAX_EHT_SUPP_MCS_2GHZ_SIZE 2 +#define WMI_MAX_EHT_SUPP_MCS_5GHZ_SIZE 4 #define WMI_EHTCAP_TXRX_MCS_NSS_IDX_80 0 #define WMI_EHTCAP_TXRX_MCS_NSS_IDX_160 1 @@ -2730,8 +2730,8 @@ struct ath12k_wmi_caps_ext_params { struct ath12k_wmi_ppe_threshold_params eht_ppet_2ghz; struct ath12k_wmi_ppe_threshold_params eht_ppet_5ghz; __le32 eht_cap_info_internal; - __le32 eht_supp_mcs_ext_2ghz[WMI_MAX_EHT_SUPP_MCS_2G_SIZE]; - __le32 eht_supp_mcs_ext_5ghz[WMI_MAX_EHT_SUPP_MCS_5G_SIZE]; + __le32 eht_supp_mcs_ext_2ghz[WMI_MAX_EHT_SUPP_MCS_2GHZ_SIZE]; + __le32 eht_supp_mcs_ext_5ghz[WMI_MAX_EHT_SUPP_MCS_5GHZ_SIZE]; __le32 eml_capability; __le32 mld_capability; } __packed; @@ -4108,7 +4108,7 @@ struct ath12k_wmi_eht_rate_set_params { #define MAX_REG_RULES 10 #define REG_ALPHA2_LEN 2 -#define MAX_6G_REG_RULES 5 +#define MAX_6GHZ_REG_RULES 5 enum wmi_start_event_param { WMI_VDEV_START_RESP_EVENT = 0, From 5393dcb4520911f2b4a980e7e3c2c0de2bbf9ec7 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Mon, 24 Mar 2025 11:55:13 +0530 Subject: [PATCH 025/104] wifi: ath12k: change the status update in the monitor Rx Currently, in the monitor Rx path, status is filled from the RX TLV header present in the MSDU data. This logic is inherited from ath11k. However, in the ath12k 802.11be hardware, the Rx TLV header is not present in the MSDU data. This information is reported under various TLV tags. Therefore, avoid the existing status filling by accumulating the needed information in the PPDU information structure and fill the status. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Tested-by: Nicolas Escande Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-6-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 16 ++- drivers/net/wireless/ath/ath12k/dp_mon.c | 138 ++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/hal_rx.h | 5 +- 3 files changed, 151 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 2a1ad27e331c..3f9475db5e68 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -536,9 +536,19 @@ struct ath12k_sta { enum ieee80211_sta_state state; }; -#define ATH12K_MIN_5GHZ_FREQ 4150 -#define ATH12K_MIN_6GHZ_FREQ 5925 -#define ATH12K_MAX_6GHZ_FREQ 7115 +#define ATH12K_HALF_20MHZ_BW 10 +#define ATH12K_2GHZ_MIN_CENTER 2412 +#define ATH12K_2GHZ_MAX_CENTER 2484 +#define ATH12K_5GHZ_MIN_CENTER 4900 +#define ATH12K_5GHZ_MAX_CENTER 5920 +#define ATH12K_6GHZ_MIN_CENTER 5935 +#define ATH12K_6GHZ_MAX_CENTER 7115 +#define ATH12K_MIN_2GHZ_FREQ (ATH12K_2GHZ_MIN_CENTER - ATH12K_HALF_20MHZ_BW - 1) +#define ATH12K_MAX_2GHZ_FREQ (ATH12K_2GHZ_MAX_CENTER + ATH12K_HALF_20MHZ_BW + 1) +#define ATH12K_MIN_5GHZ_FREQ (ATH12K_5GHZ_MIN_CENTER - ATH12K_HALF_20MHZ_BW) +#define ATH12K_MAX_5GHZ_FREQ (ATH12K_5GHZ_MAX_CENTER + ATH12K_HALF_20MHZ_BW) +#define ATH12K_MIN_6GHZ_FREQ (ATH12K_6GHZ_MIN_CENTER - ATH12K_HALF_20MHZ_BW) +#define ATH12K_MAX_6GHZ_FREQ (ATH12K_6GHZ_MAX_CENTER + ATH12K_HALF_20MHZ_BW) #define ATH12K_NUM_CHANS 101 #define ATH12K_MAX_5GHZ_CHAN 173 diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index c613f8408c84..bb227c7e2748 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1700,18 +1700,128 @@ static void ath12k_dp_mon_rx_msdus_set_payload(struct ath12k *ar, skb_pull(head_msdu, rx_pkt_offset + l2_hdr_offset); } +static void +ath12k_dp_mon_fill_rx_stats_info(struct ath12k *ar, + struct hal_rx_mon_ppdu_info *ppdu_info, + struct ieee80211_rx_status *rx_status) +{ + u32 center_freq = ppdu_info->freq; + + rx_status->freq = center_freq; + rx_status->bw = ath12k_mac_bw_to_mac80211_bw(ppdu_info->bw); + rx_status->nss = ppdu_info->nss; + rx_status->rate_idx = 0; + rx_status->encoding = RX_ENC_LEGACY; + rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; + + if (center_freq >= ATH12K_MIN_6GHZ_FREQ && + center_freq <= ATH12K_MAX_6GHZ_FREQ) { + rx_status->band = NL80211_BAND_6GHZ; + } else if (center_freq >= ATH12K_MIN_2GHZ_FREQ && + center_freq <= ATH12K_MAX_2GHZ_FREQ) { + rx_status->band = NL80211_BAND_2GHZ; + } else if (center_freq >= ATH12K_MIN_5GHZ_FREQ && + center_freq <= ATH12K_MAX_5GHZ_FREQ) { + rx_status->band = NL80211_BAND_5GHZ; + } else { + rx_status->band = NUM_NL80211_BANDS; + } +} + +static void +ath12k_dp_mon_fill_rx_rate(struct ath12k *ar, + struct hal_rx_mon_ppdu_info *ppdu_info, + struct ieee80211_rx_status *rx_status) +{ + struct ieee80211_supported_band *sband; + enum rx_msdu_start_pkt_type pkt_type; + u8 rate_mcs, nss, sgi; + bool is_cck; + + pkt_type = ppdu_info->preamble_type; + rate_mcs = ppdu_info->rate; + nss = ppdu_info->nss; + sgi = ppdu_info->gi; + + switch (pkt_type) { + case RX_MSDU_START_PKT_TYPE_11A: + case RX_MSDU_START_PKT_TYPE_11B: + is_cck = (pkt_type == RX_MSDU_START_PKT_TYPE_11B); + if (rx_status->band < NUM_NL80211_BANDS) { + sband = &ar->mac.sbands[rx_status->band]; + rx_status->rate_idx = ath12k_mac_hw_rate_to_idx(sband, rate_mcs, + is_cck); + } + break; + case RX_MSDU_START_PKT_TYPE_11N: + rx_status->encoding = RX_ENC_HT; + if (rate_mcs > ATH12K_HT_MCS_MAX) { + ath12k_warn(ar->ab, + "Received with invalid mcs in HT mode %d\n", + rate_mcs); + break; + } + rx_status->rate_idx = rate_mcs + (8 * (nss - 1)); + if (sgi) + rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + break; + case RX_MSDU_START_PKT_TYPE_11AC: + rx_status->encoding = RX_ENC_VHT; + rx_status->rate_idx = rate_mcs; + if (rate_mcs > ATH12K_VHT_MCS_MAX) { + ath12k_warn(ar->ab, + "Received with invalid mcs in VHT mode %d\n", + rate_mcs); + break; + } + if (sgi) + rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + break; + case RX_MSDU_START_PKT_TYPE_11AX: + rx_status->rate_idx = rate_mcs; + if (rate_mcs > ATH12K_HE_MCS_MAX) { + ath12k_warn(ar->ab, + "Received with invalid mcs in HE mode %d\n", + rate_mcs); + break; + } + rx_status->encoding = RX_ENC_HE; + rx_status->he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi); + break; + case RX_MSDU_START_PKT_TYPE_11BE: + rx_status->rate_idx = rate_mcs; + if (rate_mcs > ATH12K_EHT_MCS_MAX) { + ath12k_warn(ar->ab, + "Received with invalid mcs in EHT mode %d\n", + rate_mcs); + break; + } + rx_status->encoding = RX_ENC_EHT; + rx_status->he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi); + break; + default: + ath12k_dbg(ar->ab, ATH12K_DBG_DATA, + "monitor receives invalid preamble type %d", + pkt_type); + break; + } +} + static struct sk_buff * ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, struct dp_mon_mpdu *mon_mpdu, + struct hal_rx_mon_ppdu_info *ppdu_info, struct ieee80211_rx_status *rxs) { struct ath12k_base *ab = ar->ab; struct sk_buff *msdu, *mpdu_buf, *prev_buf, *head_frag_list; struct sk_buff *head_msdu, *tail_msdu; - struct hal_rx_desc *rx_desc, *tail_rx_desc; + struct hal_rx_desc *rx_desc; u8 *hdr_desc, *dest, decap_format = mon_mpdu->decap_format; struct ieee80211_hdr_3addr *wh; + struct ieee80211_channel *channel; u32 frag_list_sum_len = 0; + u8 channel_num = ppdu_info->chan_num; mpdu_buf = NULL; head_msdu = mon_mpdu->head; @@ -1720,9 +1830,29 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, if (!head_msdu) goto err_merge_fail; - tail_rx_desc = (struct hal_rx_desc *)tail_msdu->data; + ath12k_dp_mon_fill_rx_stats_info(ar, ppdu_info, rxs); - ath12k_dp_rx_h_ppdu(ar, tail_rx_desc, rxs); + if (unlikely(rxs->band == NUM_NL80211_BANDS || + !ath12k_ar_to_hw(ar)->wiphy->bands[rxs->band])) { + ath12k_dbg(ar->ab, ATH12K_DBG_DATA, + "sband is NULL for status band %d channel_num %d center_freq %d pdev_id %d\n", + rxs->band, channel_num, ppdu_info->freq, ar->pdev_idx); + + spin_lock_bh(&ar->data_lock); + channel = ar->rx_channel; + if (channel) { + rxs->band = channel->band; + channel_num = + ieee80211_frequency_to_channel(channel->center_freq); + } + spin_unlock_bh(&ar->data_lock); + } + + if (rxs->band < NUM_NL80211_BANDS) + rxs->freq = ieee80211_channel_to_frequency(channel_num, + rxs->band); + + ath12k_dp_mon_fill_rx_rate(ar, ppdu_info, rxs); if (decap_format == DP_RX_DECAP_TYPE_RAW) { ath12k_dp_mon_rx_msdus_set_payload(ar, head_msdu, tail_msdu); @@ -2040,7 +2170,7 @@ static int ath12k_dp_mon_rx_deliver(struct ath12k *ar, struct ieee80211_rx_status *rxs = &dp->rx_status; u8 decap = DP_RX_DECAP_TYPE_RAW; - mon_skb = ath12k_dp_mon_rx_merg_msdus(ar, mon_mpdu, rxs); + mon_skb = ath12k_dp_mon_rx_merg_msdus(ar, mon_mpdu, ppduinfo, rxs); if (!mon_skb) goto mon_deliver_fail; diff --git a/drivers/net/wireless/ath/ath12k/hal_rx.h b/drivers/net/wireless/ath/ath12k/hal_rx.h index 6f10e4222ba6..c753eb2a03ad 100644 --- a/drivers/net/wireless/ath/ath12k/hal_rx.h +++ b/drivers/net/wireless/ath/ath12k/hal_rx.h @@ -509,7 +509,10 @@ struct hal_rx_mpdu_start { struct hal_rx_msdu_end { __le32 info0; - __le32 rsvd0[18]; + __le32 rsvd0[9]; + __le16 info00; + __le16 info01; + __le32 rsvd00[8]; __le32 info1; __le32 rsvd1[10]; __le32 info2; From fc1771b9c59e284e72b4fd2e9e405cd220898c1a Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Mon, 24 Mar 2025 11:55:14 +0530 Subject: [PATCH 026/104] wifi: ath12k: Avoid packet offset and FCS length from Rx TLV Currently, the packet offset and FCS length are fetched from the MSDU Rx TLV data, a logic inherited from ath11k. However, for ath12k 802.11be hardware, the Rx TLV will not be present in the MSDU data. Instead, this information is constant. Therefore, remove the existing FCS trim and the packet offset fetch code. Handle the packet offset with the constant in the merge MSDU procedure. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Tested-by: Nicolas Escande Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-7-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_mon.c | 23 +++++------------------ drivers/net/wireless/ath/ath12k/dp_mon.h | 1 + 2 files changed, 6 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index bb227c7e2748..6df04920a0c6 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1688,18 +1688,6 @@ ath12k_dp_mon_rx_parse_status_tlv(struct ath12k *ar, return HAL_RX_MON_STATUS_PPDU_NOT_DONE; } -static void ath12k_dp_mon_rx_msdus_set_payload(struct ath12k *ar, - struct sk_buff *head_msdu, - struct sk_buff *tail_msdu) -{ - u32 rx_pkt_offset, l2_hdr_offset; - - rx_pkt_offset = ar->ab->hal.hal_desc_sz; - l2_hdr_offset = - ath12k_dp_rx_h_l3pad(ar->ab, (struct hal_rx_desc *)tail_msdu->data); - skb_pull(head_msdu, rx_pkt_offset + l2_hdr_offset); -} - static void ath12k_dp_mon_fill_rx_stats_info(struct ath12k *ar, struct hal_rx_mon_ppdu_info *ppdu_info, @@ -1815,7 +1803,7 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, { struct ath12k_base *ab = ar->ab; struct sk_buff *msdu, *mpdu_buf, *prev_buf, *head_frag_list; - struct sk_buff *head_msdu, *tail_msdu; + struct sk_buff *head_msdu; struct hal_rx_desc *rx_desc; u8 *hdr_desc, *dest, decap_format = mon_mpdu->decap_format; struct ieee80211_hdr_3addr *wh; @@ -1825,7 +1813,6 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, mpdu_buf = NULL; head_msdu = mon_mpdu->head; - tail_msdu = mon_mpdu->tail; if (!head_msdu) goto err_merge_fail; @@ -1855,14 +1842,14 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, ath12k_dp_mon_fill_rx_rate(ar, ppdu_info, rxs); if (decap_format == DP_RX_DECAP_TYPE_RAW) { - ath12k_dp_mon_rx_msdus_set_payload(ar, head_msdu, tail_msdu); + skb_pull(head_msdu, ATH12K_MON_RX_PKT_OFFSET); prev_buf = head_msdu; msdu = head_msdu->next; head_frag_list = NULL; while (msdu) { - ath12k_dp_mon_rx_msdus_set_payload(ar, msdu, tail_msdu); + skb_pull(msdu, ATH12K_MON_RX_PKT_OFFSET); if (!head_frag_list) head_frag_list = msdu; @@ -1874,7 +1861,7 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, prev_buf->next = NULL; - skb_trim(prev_buf, prev_buf->len - HAL_RX_FCS_LEN); + skb_trim(prev_buf, prev_buf->len); if (head_frag_list) { skb_shinfo(head_msdu)->frag_list = head_frag_list; head_msdu->data_len = frag_list_sum_len; @@ -1897,7 +1884,7 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, msdu = head_msdu; while (msdu) { - ath12k_dp_mon_rx_msdus_set_payload(ar, msdu, tail_msdu); + skb_pull(msdu, ATH12K_MON_RX_PKT_OFFSET); if (qos_pkt) { dest = skb_push(msdu, sizeof(__le16)); if (!dest) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.h b/drivers/net/wireless/ath/ath12k/dp_mon.h index b039f6b9277c..9f3adee51cb2 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.h +++ b/drivers/net/wireless/ath/ath12k/dp_mon.h @@ -10,6 +10,7 @@ #include "core.h" #define ATH12K_MON_RX_DOT11_OFFSET 5 +#define ATH12K_MON_RX_PKT_OFFSET 8 enum dp_monitor_mode { ATH12K_DP_TX_MONITOR_MODE, From ea24531d00f782f4e659e8c74578b7ac144720ca Mon Sep 17 00:00:00 2001 From: Karthikeyan Periyasamy Date: Mon, 24 Mar 2025 11:55:15 +0530 Subject: [PATCH 027/104] wifi: ath12k: fix NULL access in assign channel context handler Currently, when ath12k_mac_assign_vif_to_vdev() fails, the radio handle (ar) gets accessed from the link VIF handle (arvif) for debug logging, This is incorrect. In the fail scenario, radio handle is NULL. Fix the NULL access, avoid radio handle access by moving to the hardware debug logging helper function (ath12k_hw_warn). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: 90570ba4610b ("wifi: ath12k: do not return invalid link id for scan link") Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-8-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 245adb73df04..d4fb776767a9 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -9614,8 +9614,8 @@ ath12k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, ar = ath12k_mac_assign_vif_to_vdev(hw, arvif, ctx); if (!ar) { - ath12k_warn(arvif->ar->ab, "failed to assign chanctx for vif %pM link id %u link vif is already started", - vif->addr, link_id); + ath12k_hw_warn(ah, "failed to assign chanctx for vif %pM link id %u link vif is already started", + vif->addr, link_id); return -EINVAL; } From 1dfa44db967c5c4f73ba5c9177aeaf2dddaff574 Mon Sep 17 00:00:00 2001 From: Karthikeyan Periyasamy Date: Mon, 24 Mar 2025 11:55:16 +0530 Subject: [PATCH 028/104] wifi: ath12k: Refactor the monitor channel context procedure Currently, the monitor start procedure use the iteration callback to pick the last available channel definition in the mac80211 hardware. This approach is incorrect for the single wiphy model, as it holds multiple radio/link channel contexts within the same mac80211 hardware. To fix this, change the iteration callback to pick the specific channel context for the given radio/link. This approach makes the monitor start procedure compatible with both multi wiphy and single wiphy models. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Reviewed-by: Vasanthakumar Thiagarajan Signed-off-by: Karthikeyan Periyasamy Link: https://patch.msgid.link/20250324062518.2752822-9-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index d4fb776767a9..a5ed74428f23 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -1336,19 +1336,9 @@ static int ath12k_mac_monitor_vdev_delete(struct ath12k *ar) return ret; } -static void -ath12k_mac_get_any_chandef_iter(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf, - void *data) -{ - struct cfg80211_chan_def **def = data; - - *def = &conf->def; -} - static int ath12k_mac_monitor_start(struct ath12k *ar) { - struct cfg80211_chan_def *chandef = NULL; + struct ath12k_mac_get_any_chanctx_conf_arg arg; int ret; lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); @@ -1356,13 +1346,16 @@ static int ath12k_mac_monitor_start(struct ath12k *ar) if (ar->monitor_started) return 0; + arg.ar = ar; + arg.chanctx_conf = NULL; ieee80211_iter_chan_contexts_atomic(ath12k_ar_to_hw(ar), - ath12k_mac_get_any_chandef_iter, - &chandef); - if (!chandef) + ath12k_mac_get_any_chanctx_conf_iter, + &arg); + if (!arg.chanctx_conf) return 0; - ret = ath12k_mac_monitor_vdev_start(ar, ar->monitor_vdev_id, chandef); + ret = ath12k_mac_monitor_vdev_start(ar, ar->monitor_vdev_id, + &arg.chanctx_conf->def); if (ret) { ath12k_warn(ar->ab, "failed to start monitor vdev: %d\n", ret); ath12k_mac_monitor_vdev_delete(ar); From 7423b64191e325681e0198f4a8ccfe66f282b95a Mon Sep 17 00:00:00 2001 From: Karthikeyan Periyasamy Date: Mon, 24 Mar 2025 11:55:17 +0530 Subject: [PATCH 029/104] wifi: ath12k: Move to NO_VIRTUAL monitor Currently, VIRTUAL monitor handling is present. In multi radio model, VIRTUAL monitor is not suitable since each radio needs a separate VIF and channel context. Therefore, switch to NO_VIRTUAL_MONITOR feature. Remove the monitor_conf_enabled flag and mac_op_config() handler as they are not need for the NO_VIRTUAL_MONITOR feature. In NO_VIRTUAL_MONITOR handling, each interface creation/deletion triggers the mac_op_add_interface() / mac_op_remove_interface() callback. Consequently, remove the monitor vdev create/delete/start/stop from the other vdev type handlers. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Karthikeyan Periyasamy Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250324062518.2752822-10-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 1 - drivers/net/wireless/ath/ath12k/mac.c | 126 ++----------------------- 2 files changed, 7 insertions(+), 120 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 3f9475db5e68..4c0bc9647619 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -741,7 +741,6 @@ struct ath12k { #endif bool dfs_block_radar_events; - bool monitor_conf_enabled; bool monitor_vdev_created; bool monitor_started; int monitor_vdev_id; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index a5ed74428f23..65bf1f24a45f 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -1245,61 +1245,6 @@ static int ath12k_mac_monitor_vdev_stop(struct ath12k *ar) return ret; } -static int ath12k_mac_monitor_vdev_create(struct ath12k *ar) -{ - struct ath12k_pdev *pdev = ar->pdev; - struct ath12k_wmi_vdev_create_arg arg = {}; - int bit, ret; - u8 tmp_addr[6]; - - lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); - - if (ar->monitor_vdev_created) - return 0; - - if (ar->ab->free_vdev_map == 0) { - ath12k_warn(ar->ab, "failed to find free vdev id for monitor vdev\n"); - return -ENOMEM; - } - - bit = __ffs64(ar->ab->free_vdev_map); - - ar->monitor_vdev_id = bit; - - arg.if_id = ar->monitor_vdev_id; - arg.type = WMI_VDEV_TYPE_MONITOR; - arg.subtype = WMI_VDEV_SUBTYPE_NONE; - arg.pdev_id = pdev->pdev_id; - arg.if_stats_id = ATH12K_INVAL_VDEV_STATS_ID; - - if (pdev->cap.supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { - arg.chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; - arg.chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; - } - - if (pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { - arg.chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; - arg.chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; - } - - ret = ath12k_wmi_vdev_create(ar, tmp_addr, &arg); - if (ret) { - ath12k_warn(ar->ab, "failed to request monitor vdev %i creation: %d\n", - ar->monitor_vdev_id, ret); - ar->monitor_vdev_id = -1; - return ret; - } - - ar->allocated_vdev_map |= 1LL << ar->monitor_vdev_id; - ar->ab->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); - ar->num_created_vdevs++; - ar->monitor_vdev_created = true; - ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor vdev %d created\n", - ar->monitor_vdev_id); - - return 0; -} - static int ath12k_mac_monitor_vdev_delete(struct ath12k *ar) { int ret; @@ -1358,7 +1303,6 @@ static int ath12k_mac_monitor_start(struct ath12k *ar) &arg.chanctx_conf->def); if (ret) { ath12k_warn(ar->ab, "failed to start monitor vdev: %d\n", ret); - ath12k_mac_monitor_vdev_delete(ar); return ret; } @@ -1433,58 +1377,9 @@ int ath12k_mac_vdev_stop(struct ath12k_link_vif *arvif) return ret; } -static int ath12k_mac_config(struct ath12k *ar, u32 changed) -{ - struct ieee80211_hw *hw = ath12k_ar_to_hw(ar); - struct ieee80211_conf *conf = &hw->conf; - int ret = 0; - - lockdep_assert_wiphy(hw->wiphy); - - if (changed & IEEE80211_CONF_CHANGE_MONITOR) { - ar->monitor_conf_enabled = conf->flags & IEEE80211_CONF_MONITOR; - if (ar->monitor_conf_enabled) { - if (ar->monitor_vdev_created) - return ret; - ret = ath12k_mac_monitor_vdev_create(ar); - if (ret) - return ret; - ret = ath12k_mac_monitor_start(ar); - if (ret) - goto err_mon_del; - } else { - if (!ar->monitor_vdev_created) - return ret; - ret = ath12k_mac_monitor_stop(ar); - if (ret) - return ret; - ath12k_mac_monitor_vdev_delete(ar); - } - } - - return ret; - -err_mon_del: - ath12k_mac_monitor_vdev_delete(ar); - return ret; -} - static int ath12k_mac_op_config(struct ieee80211_hw *hw, u32 changed) { - struct ath12k_hw *ah = ath12k_hw_to_ah(hw); - struct ath12k *ar; - int ret; - - lockdep_assert_wiphy(hw->wiphy); - - ar = ath12k_ah_to_ar(ah, 0); - - ret = ath12k_mac_config(ar, changed); - if (ret) - ath12k_warn(ar->ab, "failed to update config pdev idx %d: %d\n", - ar->pdev_idx, ret); - - return ret; + return 0; } static int ath12k_mac_setup_bcn_p2p_ie(struct ath12k_link_vif *arvif, @@ -8396,8 +8291,6 @@ int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) } ath12k_dp_vdev_tx_attach(ar, arvif); - if (vif->type != NL80211_IFTYPE_MONITOR && ar->monitor_conf_enabled) - ath12k_mac_monitor_vdev_create(ar); return ret; @@ -8699,8 +8592,6 @@ static int ath12k_mac_vdev_delete(struct ath12k *ar, struct ath12k_link_vif *arv if (ahvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { ar->monitor_vdev_id = -1; ar->monitor_vdev_created = false; - } else if (ar->monitor_vdev_created && !ar->monitor_started) { - ret = ath12k_mac_monitor_vdev_delete(ar); } ath12k_dbg(ab, ATH12K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n", @@ -9392,8 +9283,10 @@ ath12k_mac_update_vif_chan(struct ath12k *ar, arvif = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy, ahvif->link[link_id]); - if (vif->type == NL80211_IFTYPE_MONITOR) + if (vif->type == NL80211_IFTYPE_MONITOR) { monitor_vif = true; + continue; + } ath12k_dbg(ab, ATH12K_DBG_MAC, "mac chanctx switch vdev_id %i freq %u->%u width %d->%d\n", @@ -9636,8 +9529,10 @@ ath12k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, if (ahvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { ret = ath12k_mac_monitor_start(ar); - if (ret) + if (ret) { + ath12k_mac_monitor_vdev_delete(ar); goto out; + } arvif->is_started = true; goto out; @@ -9651,9 +9546,6 @@ ath12k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, goto out; } - if (ahvif->vdev_type != WMI_VDEV_TYPE_MONITOR && ar->monitor_vdev_created) - ath12k_mac_monitor_start(ar); - arvif->is_started = true; /* TODO: Setup ps and cts/rts protection */ @@ -9715,10 +9607,6 @@ ath12k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, arvif->vdev_id, ret); } arvif->is_started = false; - - if (ahvif->vdev_type != WMI_VDEV_TYPE_MONITOR && - ar->num_started_vdevs == 1 && ar->monitor_vdev_created) - ath12k_mac_monitor_stop(ar); } static int From 2c4c3aff7362b09ec356bd9f3b7cf4a718307264 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Mon, 24 Mar 2025 11:55:18 +0530 Subject: [PATCH 030/104] wifi: ath12k: add monitor interface support on QCN9274 Currently, the monitor interface is not supported. To support the monitor interface, configure the monitor vdev state identifier, configure the HTT filter setup, subscribe the mac80211 NO_VIRTUAL_MONITOR feature, remove the VIRTUAL_MONITOR handler procedures since align to NO_VIRTUAL_MONITOR feature and prevent monitor interface to transmit packet. Therefore, add these procedures to add monitor interface support and enable the monitor interface support on the QCN9274 platform through the hardware parameter. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Signed-off-by: Karthikeyan Periyasamy Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250324062518.2752822-11-quic_periyasa@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 4 +++ drivers/net/wireless/ath/ath12k/dp_tx.c | 6 +++++ drivers/net/wireless/ath/ath12k/hw.c | 2 +- drivers/net/wireless/ath/ath12k/mac.c | 36 ++++++++++++++++++++++--- 4 files changed, 44 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index a27c8043a091..a0618f9cad4c 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1387,6 +1387,10 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab) ath12k_mac_tx_mgmt_pending_free, ar); idr_destroy(&ar->txmgmt_idr); wake_up(&ar->txmgmt_empty_waitq); + + ar->monitor_vdev_id = -1; + ar->monitor_vdev_created = false; + ar->monitor_started = false; } } diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index ced232bf4aed..29e2715024ce 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -7,6 +7,7 @@ #include "core.h" #include "dp_tx.h" #include "debug.h" +#include "debugfs.h" #include "hw.h" #include "peer.h" #include "mac.h" @@ -1431,6 +1432,11 @@ int ath12k_dp_tx_htt_rx_monitor_mode_ring_config(struct ath12k *ar, bool reset) HTT_RX_MON_MO_CTRL_FILTER_FLASG3 | HTT_RX_MON_FP_DATA_FILTER_FLASG3 | HTT_RX_MON_MO_DATA_FILTER_FLASG3; + } else { + tlv_filter = ath12k_mac_mon_status_filter_default; + + if (ath12k_debugfs_is_extd_rx_stats_enabled(ar)) + tlv_filter.rx_filter = ath12k_debugfs_rx_filter(ar); } if (ab->hw_params->rxdma1_enable) { diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index b4d5651973b7..0ba6aedc8405 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1446,7 +1446,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MESH_POINT) | BIT(NL80211_IFTYPE_AP_VLAN), - .supports_monitor = false, + .supports_monitor = true, .idle_ps = false, .download_calib = true, diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 65bf1f24a45f..f2fddf213afb 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -1306,12 +1306,18 @@ static int ath12k_mac_monitor_start(struct ath12k *ar) return ret; } + ret = ath12k_dp_tx_htt_monitor_mode_ring_config(ar, false); + if (ret) { + ath12k_warn(ar->ab, "fail to set monitor filter: %d\n", ret); + return ret; + } + ar->monitor_started = true; ar->num_started_vdevs++; - ret = ath12k_dp_tx_htt_monitor_mode_ring_config(ar, false); - ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor started ret %d\n", ret); - return ret; + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac monitor started\n"); + + return 0; } static int ath12k_mac_monitor_stop(struct ath12k *ar) @@ -7370,6 +7376,11 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, u8 link_id; int ret; + if (ahvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { + ieee80211_free_txskb(hw, skb); + return; + } + link_id = u32_get_bits(info->control.flags, IEEE80211_TX_CTRL_MLO_LINK); memset(skb_cb, 0, sizeof(*skb_cb)); skb_cb->vif = vif; @@ -8117,6 +8128,12 @@ int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) lockdep_assert_wiphy(hw->wiphy); + /* In NO_VIRTUAL_MONITOR, its necessary to restrict only one monitor + * interface in each radio + */ + if (vif->type == NL80211_IFTYPE_MONITOR && ar->monitor_vdev_created) + return -EINVAL; + /* If no link is active and scan vdev is requested * use a default link conf for scan address purpose. */ @@ -8272,6 +8289,9 @@ int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) goto err_peer_del; } break; + case WMI_VDEV_TYPE_MONITOR: + ar->monitor_vdev_created = true; + break; default: break; } @@ -8315,6 +8335,11 @@ int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) } err_vdev_del: + if (ahvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { + ar->monitor_vdev_id = -1; + ar->monitor_vdev_created = false; + } + ath12k_wmi_vdev_delete(ar, arvif->vdev_id); ar->num_created_vdevs--; arvif->is_created = false; @@ -11222,6 +11247,7 @@ static int ath12k_mac_hw_register(struct ath12k_hw *ah) ieee80211_hw_set(hw, QUEUE_CONTROL); ieee80211_hw_set(hw, SUPPORTS_TX_FRAG); ieee80211_hw_set(hw, REPORTS_LOW_ACK); + ieee80211_hw_set(hw, NO_VIRTUAL_MONITOR); if ((ht_cap & WMI_HT_CAP_ENABLED) || is_6ghz) { ieee80211_hw_set(hw, AMPDU_AGGREGATION); @@ -11420,6 +11446,10 @@ static void ath12k_mac_setup(struct ath12k *ar) wiphy_work_init(&ar->wmi_mgmt_tx_work, ath12k_mgmt_over_wmi_tx_work); skb_queue_head_init(&ar->wmi_mgmt_tx_queue); + + ar->monitor_vdev_id = -1; + ar->monitor_vdev_created = false; + ar->monitor_started = false; } static int __ath12k_mac_mlo_setup(struct ath12k *ar) From 79ce49513222a89338e78bc7c7cb4a0fb4d6cb23 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Fri, 21 Mar 2025 17:23:31 +0100 Subject: [PATCH 031/104] wifi: ath12k: extend dma mask to 36 bits Extend the DMA mask to 36 bits to avoid using bounce buffers on machines without an iommu (under OS control) similar to what was done for ath11k in commit dbd73acb22d8 ("wifi: ath11k: enable 36 bit mask for stream DMA"). This specifically avoids using bounce buffers on Qualcomm Snapdragon X Elite machines like the Lenovo ThinkPad T14s when running at EL1. Note that the mask could possibly be extended further but unresolved DMA issues with 64 GiB X Elite machines currently prevents that from being tested. Also note that the driver is limited to 32 bits for coherent allocations and that there is no need to check for errors when setting masks larger than 32 bits. Tested-on: WCN7850 hw2.0 WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Signed-off-by: Johan Hovold Tested-by: Raj Kumar Bhagat Reviewed-by: Baochen Qiang Tested-by: Baochen Qiang Link: https://patch.msgid.link/20250321162331.19507-1-johan+linaro@kernel.org Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mhi.c | 2 +- drivers/net/wireless/ath/ath12k/pci.c | 12 ++++-------- drivers/net/wireless/ath/ath12k/pci.h | 1 + 3 files changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mhi.c b/drivers/net/wireless/ath/ath12k/mhi.c index 2f6d14382ed7..9c929c4ad8a8 100644 --- a/drivers/net/wireless/ath/ath12k/mhi.c +++ b/drivers/net/wireless/ath/ath12k/mhi.c @@ -379,7 +379,7 @@ int ath12k_mhi_register(struct ath12k_pci *ab_pci) mhi_ctrl->irq_flags = IRQF_SHARED | IRQF_NOBALANCING; mhi_ctrl->iova_start = 0; - mhi_ctrl->iova_stop = 0xffffffff; + mhi_ctrl->iova_stop = ab_pci->dma_mask; mhi_ctrl->sbl_size = SZ_512K; mhi_ctrl->seg_len = SZ_512K; mhi_ctrl->fbc_download = true; diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index e62b172c7f9f..7f1bb150f326 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -17,7 +17,7 @@ #include "debug.h" #define ATH12K_PCI_BAR_NUM 0 -#define ATH12K_PCI_DMA_MASK 32 +#define ATH12K_PCI_DMA_MASK 36 #define ATH12K_PCI_IRQ_CE0_OFFSET 3 @@ -877,13 +877,9 @@ static int ath12k_pci_claim(struct ath12k_pci *ab_pci, struct pci_dev *pdev) goto disable_device; } - ret = dma_set_mask_and_coherent(&pdev->dev, - DMA_BIT_MASK(ATH12K_PCI_DMA_MASK)); - if (ret) { - ath12k_err(ab, "failed to set pci dma mask to %d: %d\n", - ATH12K_PCI_DMA_MASK, ret); - goto release_region; - } + ab_pci->dma_mask = DMA_BIT_MASK(ATH12K_PCI_DMA_MASK); + dma_set_mask(&pdev->dev, ab_pci->dma_mask); + dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); pci_set_master(pdev); diff --git a/drivers/net/wireless/ath/ath12k/pci.h b/drivers/net/wireless/ath/ath12k/pci.h index 521fa72333bb..0b4c459d6d8e 100644 --- a/drivers/net/wireless/ath/ath12k/pci.h +++ b/drivers/net/wireless/ath/ath12k/pci.h @@ -116,6 +116,7 @@ struct ath12k_pci { unsigned long irq_flags; const struct ath12k_pci_ops *pci_ops; u32 qmi_instance; + u64 dma_mask; }; static inline struct ath12k_pci *ath12k_pci_priv(struct ath12k_base *ab) From ce8669a27016354dfa8bf3c954255cb9f3583bae Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 28 Mar 2025 13:32:24 +0800 Subject: [PATCH 032/104] wifi: ath11k: determine PM policy based on machine model To handle the Lenovo unexpected wakeup issue [1], previously we revert commit 166a490f59ac ("wifi: ath11k: support hibernation"). So currently WLAN target is put into WoWLAN mode during suspend. This is a temporary solution as it does not work on machines where WLAN power is cut off. The thought here is that we do WoWLAN suspend on Lenovo machines while do non-WoWLAN suspend (which is done in the reverted commit) on other machines. This requires us to identify Lenovo machines from others. For that purpose, read board vendor and product name from DMI interface, match it against all known affected machines. If there is a match, choose WoWLAN suspend mode, else choose non-WoWLAN mode. Save the mode in ab for later reference. [1] https://bugzilla.kernel.org/show_bug.cgi?id=219196 Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-by: Muhammad Usama Anjum Tested-by: Takashi Iwai Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-1-23405ae23431@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/core.c | 55 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/core.h | 7 ++++ 2 files changed, 62 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 3d39ff85ba94..f3a29f5d2381 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -907,6 +907,52 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { }, }; +static const struct dmi_system_id ath11k_pm_quirk_table[] = { + { + .driver_data = (void *)ATH11K_PM_WOW, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21J4"), + }, + }, + { + .driver_data = (void *)ATH11K_PM_WOW, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21K4"), + }, + }, + { + .driver_data = (void *)ATH11K_PM_WOW, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21K6"), + }, + }, + { + .driver_data = (void *)ATH11K_PM_WOW, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21K8"), + }, + }, + { + .driver_data = (void *)ATH11K_PM_WOW, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21KA"), + }, + }, + { + .driver_data = (void *)ATH11K_PM_WOW, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21F9"), + }, + }, + {} +}; + static inline struct ath11k_pdev *ath11k_core_get_single_pdev(struct ath11k_base *ab) { WARN_ON(!ab->hw_params.single_pdev_only); @@ -2327,8 +2373,17 @@ EXPORT_SYMBOL(ath11k_core_pre_init); int ath11k_core_init(struct ath11k_base *ab) { + const struct dmi_system_id *dmi_id; int ret; + dmi_id = dmi_first_match(ath11k_pm_quirk_table); + if (dmi_id) + ab->pm_policy = (kernel_ulong_t)dmi_id->driver_data; + else + ab->pm_policy = ATH11K_PM_DEFAULT; + + ath11k_dbg(ab, ATH11K_DBG_BOOT, "pm policy %u\n", ab->pm_policy); + ret = ath11k_core_soc_create(ab); if (ret) { ath11k_err(ab, "failed to create soc core: %d\n", ret); diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 1a3d0de4afde..df2b0cb2f0b5 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -892,6 +892,11 @@ struct ath11k_msi_config { u16 hw_rev; }; +enum ath11k_pm_policy { + ATH11K_PM_DEFAULT, + ATH11K_PM_WOW, +}; + /* Master structure to hold the hw data which may be used in core module */ struct ath11k_base { enum ath11k_hw_rev hw_rev; @@ -1058,6 +1063,8 @@ struct ath11k_base { } testmode; #endif + enum ath11k_pm_policy pm_policy; + /* must be last */ u8 drv_priv[] __aligned(sizeof(void *)); }; From 3d2ce6ad9126b96a721542c6299a2f0967b5a63f Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 28 Mar 2025 13:32:25 +0800 Subject: [PATCH 033/104] wifi: ath11k: introduce ath11k_core_continue_suspend_resume() Currently ath11k_core_suspend() and ath11k_core_resume() have the same check before going on. In upcoming patches the check is needed by some newly added functions as well. To avoid duplicate code, introduce a new helper ath11k_core_continue_suspend_resume() which does such check internally. Callers can decide whether to go on based on its return value. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-by: Muhammad Usama Anjum Tested-by: Takashi Iwai Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-2-23405ae23431@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/core.c | 53 +++++++++++++------------- 1 file changed, 27 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index f3a29f5d2381..39922383f28c 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -953,13 +953,6 @@ static const struct dmi_system_id ath11k_pm_quirk_table[] = { {} }; -static inline struct ath11k_pdev *ath11k_core_get_single_pdev(struct ath11k_base *ab) -{ - WARN_ON(!ab->hw_params.single_pdev_only); - - return &ab->pdevs[0]; -} - void ath11k_fw_stats_pdevs_free(struct list_head *head) { struct ath11k_fw_stats_pdev *i, *tmp; @@ -1018,23 +1011,37 @@ bool ath11k_core_coldboot_cal_support(struct ath11k_base *ab) return ab->hw_params.coldboot_cal_mm; } -int ath11k_core_suspend(struct ath11k_base *ab) +/* Check if we need to continue with suspend/resume operation. + * Return: + * a negative value: error happens and don't continue. + * 0: no error but don't continue. + * positive value: no error and do continue. + */ +static int ath11k_core_continue_suspend_resume(struct ath11k_base *ab) { - int ret; - struct ath11k_pdev *pdev; struct ath11k *ar; if (!ab->hw_params.supports_suspend) return -EOPNOTSUPP; /* so far single_pdev_only chips have supports_suspend as true - * and only the first pdev is valid. + * so pass 0 as a dummy pdev_id here. */ - pdev = ath11k_core_get_single_pdev(ab); - ar = pdev->ar; + ar = ab->pdevs[0].ar; if (!ar || ar->state != ATH11K_STATE_OFF) return 0; + return 1; +} + +int ath11k_core_suspend(struct ath11k_base *ab) +{ + int ret; + + ret = ath11k_core_continue_suspend_resume(ab); + if (ret <= 0) + return ret; + ret = ath11k_dp_rx_pktlog_stop(ab, true); if (ret) { ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n", @@ -1042,7 +1049,10 @@ int ath11k_core_suspend(struct ath11k_base *ab) return ret; } - ret = ath11k_mac_wait_tx_complete(ar); + /* So far only single_pdev_only devices can reach here, + * so it is valid to handle the first, and the only, pdev. + */ + ret = ath11k_mac_wait_tx_complete(ab->pdevs[0].ar); if (ret) { ath11k_warn(ab, "failed to wait tx complete: %d\n", ret); return ret; @@ -1080,19 +1090,10 @@ EXPORT_SYMBOL(ath11k_core_suspend); int ath11k_core_resume(struct ath11k_base *ab) { int ret; - struct ath11k_pdev *pdev; - struct ath11k *ar; - if (!ab->hw_params.supports_suspend) - return -EOPNOTSUPP; - - /* so far signle_pdev_only chips have supports_suspend as true - * and only the first pdev is valid. - */ - pdev = ath11k_core_get_single_pdev(ab); - ar = pdev->ar; - if (!ar || ar->state != ATH11K_STATE_OFF) - return 0; + ret = ath11k_core_continue_suspend_resume(ab); + if (ret <= 0) + return ret; ret = ath11k_hif_resume(ab); if (ret) { From 662cc5b92c327e94587a959d7ed75862eda4b059 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 28 Mar 2025 13:32:26 +0800 Subject: [PATCH 034/104] wifi: ath11k: refactor ath11k_core_suspend/_resume() Due to [1] we currently put WLAN target into WoWLAN mode regardless of machine models. In upcoming patches we will support another mode, and finally which mode is chosen depends on the exact machine model. To prepare for such change, refactor the actual WoWLAN stuff in ath11k_core_suspend() into a new helper ath11k_core_suspend_wow(), this increase the code readability when the new suspend mode is added in upcoming patches. Same change applies to ath11k_core_resume(); [1] https://bugzilla.kernel.org/show_bug.cgi?id=219196 Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-by: Muhammad Usama Anjum Tested-by: Takashi Iwai Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-3-23405ae23431@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/core.c | 28 +++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 39922383f28c..e9077b1c4c52 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1034,14 +1034,10 @@ static int ath11k_core_continue_suspend_resume(struct ath11k_base *ab) return 1; } -int ath11k_core_suspend(struct ath11k_base *ab) +static int ath11k_core_suspend_wow(struct ath11k_base *ab) { int ret; - ret = ath11k_core_continue_suspend_resume(ab); - if (ret <= 0) - return ret; - ret = ath11k_dp_rx_pktlog_stop(ab, true); if (ret) { ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n", @@ -1085,9 +1081,8 @@ int ath11k_core_suspend(struct ath11k_base *ab) return 0; } -EXPORT_SYMBOL(ath11k_core_suspend); -int ath11k_core_resume(struct ath11k_base *ab) +int ath11k_core_suspend(struct ath11k_base *ab) { int ret; @@ -1095,6 +1090,14 @@ int ath11k_core_resume(struct ath11k_base *ab) if (ret <= 0) return ret; + return ath11k_core_suspend_wow(ab); +} +EXPORT_SYMBOL(ath11k_core_suspend); + +static int ath11k_core_resume_wow(struct ath11k_base *ab) +{ + int ret; + ret = ath11k_hif_resume(ab); if (ret) { ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret); @@ -1119,6 +1122,17 @@ int ath11k_core_resume(struct ath11k_base *ab) return 0; } + +int ath11k_core_resume(struct ath11k_base *ab) +{ + int ret; + + ret = ath11k_core_continue_suspend_resume(ab); + if (ret <= 0) + return ret; + + return ath11k_core_resume_wow(ab); +} EXPORT_SYMBOL(ath11k_core_resume); static void ath11k_core_check_cc_code_bdfext(const struct dmi_header *hdr, void *data) From 88fd03cf51a7d67dac976ecce079ccfc79376966 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 28 Mar 2025 13:32:27 +0800 Subject: [PATCH 035/104] wifi: ath11k: support non-WoWLAN mode suspend as well Previously commit 166a490f59ac ("wifi: ath11k: support hibernation") was reverted due to [1], so currently we only support WoWLAN mode suspend. This works well in scenarios where WLAN power is sustained during suspend, however breaks in those where power is cut off. This change basically brings the reverted commit back, but differs in that we decide based on the PM policy to choose WoWLAN mode suspend or the non-WoWLAN mode. As stated in the previous patch for now the PM policy is determined based on machine models. That said we will choose WoWLAN mode suspend if we are running on machines listed in ath11k_pm_quirk_table, otherwise we choose the other one. [1] https://bugzilla.kernel.org/show_bug.cgi?id=219196 Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-by: Muhammad Usama Anjum Tested-by: Takashi Iwai Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-4-23405ae23431@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/ahb.c | 4 +- drivers/net/wireless/ath/ath11k/core.c | 123 ++++++++++++++++++++++++- drivers/net/wireless/ath/ath11k/core.h | 4 + drivers/net/wireless/ath/ath11k/hif.h | 14 ++- drivers/net/wireless/ath/ath11k/mhi.c | 14 ++- drivers/net/wireless/ath/ath11k/mhi.h | 4 +- drivers/net/wireless/ath/ath11k/pci.c | 44 +++++++-- drivers/net/wireless/ath/ath11k/qmi.c | 4 +- 8 files changed, 187 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index eedba3766ba2..511f5f91da0f 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -413,7 +413,7 @@ static int ath11k_ahb_power_up(struct ath11k_base *ab) return ret; } -static void ath11k_ahb_power_down(struct ath11k_base *ab) +static void ath11k_ahb_power_down(struct ath11k_base *ab, bool is_suspend) { struct ath11k_ahb *ab_ahb = ath11k_ahb_priv(ab); @@ -1280,7 +1280,7 @@ static void ath11k_ahb_remove(struct platform_device *pdev) struct ath11k_base *ab = platform_get_drvdata(pdev); if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) { - ath11k_ahb_power_down(ab); + ath11k_ahb_power_down(ab, false); ath11k_debugfs_soc_destroy(ab); ath11k_qmi_deinit_service(ab); goto qmi_fail; diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index e9077b1c4c52..e1c0eca773fc 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1082,6 +1082,52 @@ static int ath11k_core_suspend_wow(struct ath11k_base *ab) return 0; } +static int ath11k_core_suspend_default(struct ath11k_base *ab) +{ + int ret; + + ret = ath11k_dp_rx_pktlog_stop(ab, true); + if (ret) { + ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n", + ret); + return ret; + } + + /* So far only single_pdev_only devices can reach here, + * so it is valid to handle the first, and the only, pdev. + */ + ret = ath11k_mac_wait_tx_complete(ab->pdevs[0].ar); + if (ret) { + ath11k_warn(ab, "failed to wait tx complete: %d\n", ret); + return ret; + } + + ret = ath11k_dp_rx_pktlog_stop(ab, false); + if (ret) { + ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n", + ret); + return ret; + } + + ath11k_ce_stop_shadow_timers(ab); + ath11k_dp_stop_shadow_timers(ab); + + /* PM framework skips suspend_late/resume_early callbacks + * if other devices report errors in their suspend callbacks. + * However ath11k_core_resume() would still be called because + * here we return success thus kernel put us on dpm_suspended_list. + * Since we won't go through a power down/up cycle, there is + * no chance to call complete(&ab->restart_completed) in + * ath11k_core_restart(), making ath11k_core_resume() timeout. + * So call it here to avoid this issue. This also works in case + * no error happens thus suspend_late/resume_early get called, + * because it will be reinitialized in ath11k_core_resume_early(). + */ + complete(&ab->restart_completed); + + return 0; +} + int ath11k_core_suspend(struct ath11k_base *ab) { int ret; @@ -1090,10 +1136,73 @@ int ath11k_core_suspend(struct ath11k_base *ab) if (ret <= 0) return ret; - return ath11k_core_suspend_wow(ab); + if (ab->pm_policy == ATH11K_PM_WOW) + return ath11k_core_suspend_wow(ab); + + return ath11k_core_suspend_default(ab); } EXPORT_SYMBOL(ath11k_core_suspend); +int ath11k_core_suspend_late(struct ath11k_base *ab) +{ + int ret; + + ret = ath11k_core_continue_suspend_resume(ab); + if (ret <= 0) + return ret; + + if (ab->pm_policy == ATH11K_PM_WOW) + return 0; + + ath11k_hif_irq_disable(ab); + ath11k_hif_ce_irq_disable(ab); + + ath11k_hif_power_down(ab, true); + + return 0; +} +EXPORT_SYMBOL(ath11k_core_suspend_late); + +int ath11k_core_resume_early(struct ath11k_base *ab) +{ + int ret; + + ret = ath11k_core_continue_suspend_resume(ab); + if (ret <= 0) + return ret; + + if (ab->pm_policy == ATH11K_PM_WOW) + return 0; + + reinit_completion(&ab->restart_completed); + ret = ath11k_hif_power_up(ab); + if (ret) + ath11k_warn(ab, "failed to power up hif during resume: %d\n", ret); + + return ret; +} +EXPORT_SYMBOL(ath11k_core_resume_early); + +static int ath11k_core_resume_default(struct ath11k_base *ab) +{ + long time_left; + int ret; + + time_left = wait_for_completion_timeout(&ab->restart_completed, + ATH11K_RESET_TIMEOUT_HZ); + if (time_left == 0) { + ath11k_warn(ab, "timeout while waiting for restart complete"); + return -ETIMEDOUT; + } + + ret = ath11k_dp_rx_pktlog_start(ab); + if (ret) + ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n", + ret); + + return ret; +} + static int ath11k_core_resume_wow(struct ath11k_base *ab) { int ret; @@ -1131,7 +1240,10 @@ int ath11k_core_resume(struct ath11k_base *ab) if (ret <= 0) return ret; - return ath11k_core_resume_wow(ab); + if (ab->pm_policy == ATH11K_PM_WOW) + return ath11k_core_resume_wow(ab); + + return ath11k_core_resume_default(ab); } EXPORT_SYMBOL(ath11k_core_resume); @@ -2266,6 +2378,8 @@ static void ath11k_core_restart(struct work_struct *work) if (!ab->is_reset) ath11k_core_post_reconfigure_recovery(ab); + + complete(&ab->restart_completed); } static void ath11k_core_reset(struct work_struct *work) @@ -2336,7 +2450,7 @@ static void ath11k_core_reset(struct work_struct *work) ath11k_hif_irq_disable(ab); ath11k_hif_ce_irq_disable(ab); - ath11k_hif_power_down(ab); + ath11k_hif_power_down(ab, false); ath11k_hif_power_up(ab); ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset started\n"); @@ -2418,7 +2532,7 @@ void ath11k_core_deinit(struct ath11k_base *ab) mutex_unlock(&ab->core_lock); - ath11k_hif_power_down(ab); + ath11k_hif_power_down(ab, false); ath11k_mac_destroy(ab); ath11k_core_soc_destroy(ab); } @@ -2471,6 +2585,7 @@ struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size, timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0); init_completion(&ab->htc_suspend); init_completion(&ab->wow.wakeup_completed); + init_completion(&ab->restart_completed); ab->dev = dev; ab->hif.bus = bus; diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index df2b0cb2f0b5..7a9354e0eadb 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -1055,6 +1055,8 @@ struct ath11k_base { DECLARE_BITMAP(fw_features, ATH11K_FW_FEATURE_COUNT); } fw; + struct completion restart_completed; + #ifdef CONFIG_NL80211_TESTMODE struct { u32 data_pos; @@ -1256,8 +1258,10 @@ void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd); int ath11k_core_check_dt(struct ath11k_base *ath11k); int ath11k_core_check_smbios(struct ath11k_base *ab); void ath11k_core_halt(struct ath11k *ar); +int ath11k_core_resume_early(struct ath11k_base *ab); int ath11k_core_resume(struct ath11k_base *ab); int ath11k_core_suspend(struct ath11k_base *ab); +int ath11k_core_suspend_late(struct ath11k_base *ab); void ath11k_core_pre_reconfigure_recovery(struct ath11k_base *ab); bool ath11k_core_coldboot_cal_support(struct ath11k_base *ab); diff --git a/drivers/net/wireless/ath/ath11k/hif.h b/drivers/net/wireless/ath/ath11k/hif.h index 770c39ff99b4..cd9c4b838246 100644 --- a/drivers/net/wireless/ath/ath11k/hif.h +++ b/drivers/net/wireless/ath/ath11k/hif.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved. - * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef _HIF_H_ @@ -18,7 +18,7 @@ struct ath11k_hif_ops { int (*start)(struct ath11k_base *ab); void (*stop)(struct ath11k_base *ab); int (*power_up)(struct ath11k_base *ab); - void (*power_down)(struct ath11k_base *ab); + void (*power_down)(struct ath11k_base *ab, bool is_suspend); int (*suspend)(struct ath11k_base *ab); int (*resume)(struct ath11k_base *ab); int (*map_service_to_pipe)(struct ath11k_base *ab, u16 service_id, @@ -68,12 +68,18 @@ static inline void ath11k_hif_irq_disable(struct ath11k_base *ab) static inline int ath11k_hif_power_up(struct ath11k_base *ab) { + if (!ab->hif.ops->power_up) + return -EOPNOTSUPP; + return ab->hif.ops->power_up(ab); } -static inline void ath11k_hif_power_down(struct ath11k_base *ab) +static inline void ath11k_hif_power_down(struct ath11k_base *ab, bool is_suspend) { - ab->hif.ops->power_down(ab); + if (!ab->hif.ops->power_down) + return; + + ab->hif.ops->power_down(ab, is_suspend); } static inline int ath11k_hif_suspend(struct ath11k_base *ab) diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c index fc77eac83e95..acd76e9392d3 100644 --- a/drivers/net/wireless/ath/ath11k/mhi.c +++ b/drivers/net/wireless/ath/ath11k/mhi.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2020 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include @@ -454,9 +454,17 @@ int ath11k_mhi_start(struct ath11k_pci *ab_pci) return 0; } -void ath11k_mhi_stop(struct ath11k_pci *ab_pci) +void ath11k_mhi_stop(struct ath11k_pci *ab_pci, bool is_suspend) { - mhi_power_down(ab_pci->mhi_ctrl, true); + /* During suspend we need to use mhi_power_down_keep_dev() + * workaround, otherwise ath11k_core_resume() will timeout + * during resume. + */ + if (is_suspend) + mhi_power_down_keep_dev(ab_pci->mhi_ctrl, true); + else + mhi_power_down(ab_pci->mhi_ctrl, true); + mhi_unprepare_after_power_down(ab_pci->mhi_ctrl); } diff --git a/drivers/net/wireless/ath/ath11k/mhi.h b/drivers/net/wireless/ath/ath11k/mhi.h index 651470091bd5..5c5c2b03c81f 100644 --- a/drivers/net/wireless/ath/ath11k/mhi.h +++ b/drivers/net/wireless/ath/ath11k/mhi.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2020 The Linux Foundation. All rights reserved. - * Copyright (c) 2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022, 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef _ATH11K_MHI_H #define _ATH11K_MHI_H @@ -18,7 +18,7 @@ #define MHICTRL_RESET_MASK 0x2 int ath11k_mhi_start(struct ath11k_pci *ar_pci); -void ath11k_mhi_stop(struct ath11k_pci *ar_pci); +void ath11k_mhi_stop(struct ath11k_pci *ar_pci, bool is_suspend); int ath11k_mhi_register(struct ath11k_pci *ar_pci); void ath11k_mhi_unregister(struct ath11k_pci *ar_pci); void ath11k_mhi_set_mhictrl_reset(struct ath11k_base *ab); diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 412f4a134e4a..37f5ed7f74f2 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -821,7 +821,7 @@ static int ath11k_pci_power_up(struct ath11k_base *ab) return 0; } -static void ath11k_pci_power_down(struct ath11k_base *ab) +static void ath11k_pci_power_down(struct ath11k_base *ab, bool is_suspend) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); @@ -832,7 +832,7 @@ static void ath11k_pci_power_down(struct ath11k_base *ab) ath11k_pci_msi_disable(ab_pci); - ath11k_mhi_stop(ab_pci); + ath11k_mhi_stop(ab_pci, is_suspend); clear_bit(ATH11K_FLAG_DEVICE_INIT_DONE, &ab->dev_flags); ath11k_pci_sw_reset(ab_pci->ab, false); } @@ -1161,7 +1161,7 @@ static void ath11k_pci_remove(struct pci_dev *pdev) ath11k_pci_set_irq_affinity_hint(ab_pci, NULL); if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) { - ath11k_pci_power_down(ab); + ath11k_pci_power_down(ab, false); ath11k_debugfs_soc_destroy(ab); ath11k_qmi_deinit_service(ab); goto qmi_fail; @@ -1192,7 +1192,7 @@ static void ath11k_pci_shutdown(struct pci_dev *pdev) struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); ath11k_pci_set_irq_affinity_hint(ab_pci, NULL); - ath11k_pci_power_down(ab); + ath11k_pci_power_down(ab, false); } static __maybe_unused int ath11k_pci_pm_suspend(struct device *dev) @@ -1229,9 +1229,39 @@ static __maybe_unused int ath11k_pci_pm_resume(struct device *dev) return ret; } -static SIMPLE_DEV_PM_OPS(ath11k_pci_pm_ops, - ath11k_pci_pm_suspend, - ath11k_pci_pm_resume); +static __maybe_unused int ath11k_pci_pm_suspend_late(struct device *dev) +{ + struct ath11k_base *ab = dev_get_drvdata(dev); + int ret; + + ret = ath11k_core_suspend_late(ab); + if (ret) + ath11k_warn(ab, "failed to late suspend core: %d\n", ret); + + /* Similar to ath11k_pci_pm_suspend(), we return success here + * even error happens, to allow system suspend/hibernation survive. + */ + return 0; +} + +static __maybe_unused int ath11k_pci_pm_resume_early(struct device *dev) +{ + struct ath11k_base *ab = dev_get_drvdata(dev); + int ret; + + ret = ath11k_core_resume_early(ab); + if (ret) + ath11k_warn(ab, "failed to early resume core: %d\n", ret); + + return ret; +} + +static const struct dev_pm_ops __maybe_unused ath11k_pci_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(ath11k_pci_pm_suspend, + ath11k_pci_pm_resume) + SET_LATE_SYSTEM_SLEEP_PM_OPS(ath11k_pci_pm_suspend_late, + ath11k_pci_pm_resume_early) +}; static struct pci_driver ath11k_pci_driver = { .name = "ath11k_pci", diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c index 4f8b08ed1bbc..47b9d4126d3a 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include @@ -2887,7 +2887,7 @@ int ath11k_qmi_fwreset_from_cold_boot(struct ath11k_base *ab) } /* reset the firmware */ - ath11k_hif_power_down(ab); + ath11k_hif_power_down(ab, false); ath11k_hif_power_up(ab); ath11k_dbg(ab, ATH11K_DBG_QMI, "exit wait for cold boot done\n"); return 0; From 32d93b51bc7e2e557771abe4a88da69c609e3d52 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 28 Mar 2025 13:32:28 +0800 Subject: [PATCH 036/104] wifi: ath11k: choose default PM policy for hibernation Now WoWLAN mode is chosen for those machines listed in the quirk table. This works for suspend (S3) but breaks for hibernation (S4), because WoWLAN mode requires WLAN power to be sustained, which is not the case during hibernation. For hibernation, the default mode should be used. Register a PM notifier with which kernel can notify us of the actual PM operation: if system is going to suspend, the original PM policy is honored; while if it is hibernation, overwrite it with default policy. To summarize: for suspend (S3), WoWLAN mode is chosen for machines listed in the quirk table, non-WoWLAN mode for others; for hibernation (S4), non-WoWLAN mode is chosen for all. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-by: Takashi Iwai Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-5-23405ae23431@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/core.c | 52 ++++++++++++++++++++++++-- drivers/net/wireless/ath/ath11k/core.h | 5 +++ drivers/net/wireless/ath/ath11k/pci.c | 1 + 3 files changed, 54 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index e1c0eca773fc..cde009c3bdaf 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1136,7 +1136,7 @@ int ath11k_core_suspend(struct ath11k_base *ab) if (ret <= 0) return ret; - if (ab->pm_policy == ATH11K_PM_WOW) + if (ab->actual_pm_policy == ATH11K_PM_WOW) return ath11k_core_suspend_wow(ab); return ath11k_core_suspend_default(ab); @@ -1151,7 +1151,7 @@ int ath11k_core_suspend_late(struct ath11k_base *ab) if (ret <= 0) return ret; - if (ab->pm_policy == ATH11K_PM_WOW) + if (ab->actual_pm_policy == ATH11K_PM_WOW) return 0; ath11k_hif_irq_disable(ab); @@ -1171,7 +1171,7 @@ int ath11k_core_resume_early(struct ath11k_base *ab) if (ret <= 0) return ret; - if (ab->pm_policy == ATH11K_PM_WOW) + if (ab->actual_pm_policy == ATH11K_PM_WOW) return 0; reinit_completion(&ab->restart_completed); @@ -1240,7 +1240,7 @@ int ath11k_core_resume(struct ath11k_base *ab) if (ret <= 0) return ret; - if (ab->pm_policy == ATH11K_PM_WOW) + if (ab->actual_pm_policy == ATH11K_PM_WOW) return ath11k_core_resume_wow(ab); return ath11k_core_resume_default(ab); @@ -2500,6 +2500,43 @@ int ath11k_core_pre_init(struct ath11k_base *ab) } EXPORT_SYMBOL(ath11k_core_pre_init); +static int ath11k_core_pm_notify(struct notifier_block *nb, + unsigned long action, void *nouse) +{ + struct ath11k_base *ab = container_of(nb, struct ath11k_base, + pm_nb); + + switch (action) { + case PM_SUSPEND_PREPARE: + ab->actual_pm_policy = ab->pm_policy; + break; + case PM_HIBERNATION_PREPARE: + ab->actual_pm_policy = ATH11K_PM_DEFAULT; + break; + default: + break; + } + + return NOTIFY_OK; +} + +static int ath11k_core_pm_notifier_register(struct ath11k_base *ab) +{ + ab->pm_nb.notifier_call = ath11k_core_pm_notify; + return register_pm_notifier(&ab->pm_nb); +} + +void ath11k_core_pm_notifier_unregister(struct ath11k_base *ab) +{ + int ret; + + ret = unregister_pm_notifier(&ab->pm_nb); + if (ret) + /* just warn here, there is nothing can be done in fail case */ + ath11k_warn(ab, "failed to unregister PM notifier %d\n", ret); +} +EXPORT_SYMBOL(ath11k_core_pm_notifier_unregister); + int ath11k_core_init(struct ath11k_base *ab) { const struct dmi_system_id *dmi_id; @@ -2513,6 +2550,12 @@ int ath11k_core_init(struct ath11k_base *ab) ath11k_dbg(ab, ATH11K_DBG_BOOT, "pm policy %u\n", ab->pm_policy); + ret = ath11k_core_pm_notifier_register(ab); + if (ret) { + ath11k_err(ab, "failed to register PM notifier: %d\n", ret); + return ret; + } + ret = ath11k_core_soc_create(ab); if (ret) { ath11k_err(ab, "failed to create soc core: %d\n", ret); @@ -2535,6 +2578,7 @@ void ath11k_core_deinit(struct ath11k_base *ab) ath11k_hif_power_down(ab, false); ath11k_mac_destroy(ab); ath11k_core_soc_destroy(ab); + ath11k_core_pm_notifier_unregister(ab); } EXPORT_SYMBOL(ath11k_core_deinit); diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 7a9354e0eadb..339d4fca1ed5 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -16,6 +16,7 @@ #include #include #include +#include #include "qmi.h" #include "htc.h" @@ -1066,6 +1067,8 @@ struct ath11k_base { #endif enum ath11k_pm_policy pm_policy; + enum ath11k_pm_policy actual_pm_policy; + struct notifier_block pm_nb; /* must be last */ u8 drv_priv[] __aligned(sizeof(void *)); @@ -1333,4 +1336,6 @@ static inline const char *ath11k_bus_str(enum ath11k_bus bus) return "unknown"; } +void ath11k_core_pm_notifier_unregister(struct ath11k_base *ab); + #endif /* _CORE_H_ */ diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 37f5ed7f74f2..630df6b1d82d 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -1164,6 +1164,7 @@ static void ath11k_pci_remove(struct pci_dev *pdev) ath11k_pci_power_down(ab, false); ath11k_debugfs_soc_destroy(ab); ath11k_qmi_deinit_service(ab); + ath11k_core_pm_notifier_unregister(ab); goto qmi_fail; } From 3b199a58cc585f423a85af2e57045c9a783361bb Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Fri, 28 Mar 2025 13:32:29 +0800 Subject: [PATCH 037/104] Reapply "wifi: ath11k: restore country code during resume" This reverts commit d3e154d7776ba57ab679fb816fb87b627fba21c9. With non-WoWLAN suspend support brought back, commit 7f0343b7b871 ("wifi: ath11k: restore country code during resume") needs to be brought back as well. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-by: Muhammad Usama Anjum Tested-by: Takashi Iwai Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-6-23405ae23431@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/core.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index cde009c3bdaf..3f0e8e65e8e9 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1185,6 +1185,7 @@ EXPORT_SYMBOL(ath11k_core_resume_early); static int ath11k_core_resume_default(struct ath11k_base *ab) { + struct ath11k *ar; long time_left; int ret; @@ -1195,6 +1196,20 @@ static int ath11k_core_resume_default(struct ath11k_base *ab) return -ETIMEDOUT; } + /* So far only single_pdev_only devices can reach here, + * so it is valid to handle the first, and the only, pdev. + */ + ar = ab->pdevs[0].ar; + if (ab->hw_params.current_cc_support && + ar->alpha2[0] != 0 && ar->alpha2[1] != 0) { + ret = ath11k_reg_set_cc(ar); + if (ret) { + ath11k_warn(ab, "failed to set country code during resume: %d\n", + ret); + return ret; + } + } + ret = ath11k_dp_rx_pktlog_start(ab); if (ret) ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n", From c426497fa2055c8005196922e7d29c41d7e0948a Mon Sep 17 00:00:00 2001 From: Sidhanta Sahu Date: Wed, 26 Mar 2025 14:35:38 -0700 Subject: [PATCH 038/104] wifi: ath12k: Fix memory leak due to multiple rx_stats allocation rx_stats for each arsta is allocated when adding a station. arsta->rx_stats will be freed when a station is removed. Redundant allocations are occurring when the same station is added multiple times. This causes ath12k_mac_station_add() to be called multiple times, and rx_stats is allocated each time. As a result there is memory leaks. Prevent multiple allocations of rx_stats when ath12k_mac_station_add() is called repeatedly by checking if rx_stats is already allocated before allocating again. Allocate arsta->rx_stats if arsta->rx_stats is NULL respectively. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Sidhanta Sahu Signed-off-by: Muna Sinada Reviewed-by: Mahendran P Link: https://patch.msgid.link/20250326213538.2214194-1-muna.sinada@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index f2fddf213afb..f4152f5d4987 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -5557,10 +5557,13 @@ static int ath12k_mac_station_add(struct ath12k *ar, ar->max_num_stations); goto exit; } - arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL); + if (!arsta->rx_stats) { - ret = -ENOMEM; - goto dec_num_station; + arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL); + if (!arsta->rx_stats) { + ret = -ENOMEM; + goto dec_num_station; + } } peer_param.vdev_id = arvif->vdev_id; From 1b68481fc1d8fa89a3d974b64a15beed2326c5c7 Mon Sep 17 00:00:00 2001 From: Wen Gong Date: Tue, 1 Apr 2025 10:08:37 +0800 Subject: [PATCH 039/104] wifi: ath12k: add configure country code for WCN7850 Currently, WMI_SET_INIT_COUNTRY_CMDID is used to set country code for WCN7850 and QCN9274. But WMI_SET_INIT_COUNTRY_CMDID is not the correct command for WCN7850. Add handler to send WMI_SET_CURRENT_COUNTRY_CMDID to firmware, which is used for WCN7850 to update country code. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Wen Gong Signed-off-by: Kang Yang Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250401020840.357-2-quic_kangyang@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/wmi.c | 36 +++++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 13 ++++++++++ 2 files changed, 49 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index c8248675354c..b2eb3054cbe8 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -3332,6 +3332,42 @@ int ath12k_wmi_send_init_country_cmd(struct ath12k *ar, return ret; } +int ath12k_wmi_send_set_current_country_cmd(struct ath12k *ar, + struct wmi_set_current_country_arg *arg) +{ + struct ath12k_wmi_pdev *wmi = ar->wmi; + struct wmi_set_current_country_cmd *cmd; + struct sk_buff *skb; + int ret; + + skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_set_current_country_cmd *)skb->data; + cmd->tlv_header = + ath12k_wmi_tlv_cmd_hdr(WMI_TAG_SET_CURRENT_COUNTRY_CMD, + sizeof(*cmd)); + + cmd->pdev_id = cpu_to_le32(ar->pdev->pdev_id); + memcpy(&cmd->new_alpha2, &arg->alpha2, sizeof(arg->alpha2)); + ret = ath12k_wmi_cmd_send(wmi, skb, WMI_SET_CURRENT_COUNTRY_CMDID); + + ath12k_dbg(ar->ab, ATH12K_DBG_WMI, + "set current country pdev id %d alpha2 %c%c\n", + ar->pdev->pdev_id, + arg->alpha2[0], + arg->alpha2[1]); + + if (ret) { + ath12k_warn(ar->ab, + "failed to send WMI_SET_CURRENT_COUNTRY_CMDID: %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} + int ath12k_wmi_send_twt_enable_cmd(struct ath12k *ar, u32 pdev_id) { diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index be4ac91dd34f..7fdc3dd497a1 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -4110,6 +4110,16 @@ struct ath12k_wmi_eht_rate_set_params { #define REG_ALPHA2_LEN 2 #define MAX_6GHZ_REG_RULES 5 +struct wmi_set_current_country_arg { + u8 alpha2[REG_ALPHA2_LEN]; +}; + +struct wmi_set_current_country_cmd { + __le32 tlv_header; + __le32 pdev_id; + __le32 new_alpha2; +} __packed; + enum wmi_start_event_param { WMI_VDEV_START_RESP_EVENT = 0, WMI_VDEV_RESTART_RESP_EVENT, @@ -5990,6 +6000,9 @@ int ath12k_wmi_send_bcn_offload_control_cmd(struct ath12k *ar, u32 vdev_id, u32 bcn_ctrl_op); int ath12k_wmi_send_init_country_cmd(struct ath12k *ar, struct ath12k_wmi_init_country_arg *arg); +int +ath12k_wmi_send_set_current_country_cmd(struct ath12k *ar, + struct wmi_set_current_country_arg *arg); int ath12k_wmi_peer_rx_reorder_queue_setup(struct ath12k *ar, int vdev_id, const u8 *addr, dma_addr_t paddr, u8 tid, From 773ff9074a79117d830b9eb006f3058ca6a24a5f Mon Sep 17 00:00:00 2001 From: Wen Gong Date: Tue, 1 Apr 2025 10:08:38 +0800 Subject: [PATCH 040/104] wifi: ath12k: use correct WMI command to set country code for WCN7850 When userspace tries to set country code by NL80211_REGDOM_SET_BY_USER hint(like iw reg set XX), it will pass new country code to ath12k. Then ath12k will set this new country code to firmware by WMI_SET_INIT_COUNTRY_CMDID. For AP based chips(QCN92xx), WMI_SET_INIT_COUNTRY_CMDID is the correct command. However, for STATION based chips(WCN7850), it need to use WMI_SET_CURRENT_COUNTRY_CMDID. Add flag current_cc_support in hardware parameters. It is used to distinguish AP/STA platform. After that, the firmware will work normally and the regulatory feature works well for WCN7850. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Wen Gong Signed-off-by: Kang Yang Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250401020840.357-3-quic_kangyang@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/hw.c | 6 ++++++ drivers/net/wireless/ath/ath12k/hw.h | 1 + drivers/net/wireless/ath/ath12k/reg.c | 29 ++++++++++++++++----------- 3 files changed, 24 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 0ba6aedc8405..a041697f6b1a 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1323,6 +1323,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = NULL, .ce_remap = NULL, .bdf_addr_offset = 0, + + .current_cc_support = false, }, { .name = "wcn7850 hw2.0", @@ -1408,6 +1410,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = NULL, .ce_remap = NULL, .bdf_addr_offset = 0, + + .current_cc_support = true, }, { .name = "qcn9274 hw2.0", @@ -1489,6 +1493,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = NULL, .ce_remap = NULL, .bdf_addr_offset = 0, + + .current_cc_support = false, }, { .name = "ipq5332 hw1.0", diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index d4a2e47169d9..774679f33406 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -198,6 +198,7 @@ struct ath12k_hw_params { bool reoq_lut_support:1; bool supports_shadow_regs:1; bool supports_aspm:1; + bool current_cc_support:1; u32 num_tcl_banks; u32 max_tx_ring; diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index 439d61f284d8..1904f7b44ee8 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -48,6 +48,7 @@ ath12k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct ath12k_wmi_init_country_arg arg; + struct wmi_set_current_country_arg current_arg = {}; struct ath12k_hw *ah = ath12k_hw_to_ah(hw); struct ath12k *ar = ath12k_ah_to_ar(ah, 0); int ret, i; @@ -77,23 +78,27 @@ ath12k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) return; } - /* Set the country code to the firmware and wait for - * the WMI_REG_CHAN_LIST_CC EVENT for updating the - * reg info - */ - arg.flags = ALPHA_IS_SET; - memcpy(&arg.cc_info.alpha2, request->alpha2, 2); - arg.cc_info.alpha2[2] = 0; - /* Allow fresh updates to wiphy regd */ ah->regd_updated = false; /* Send the reg change request to all the radios */ for_each_ar(ah, ar, i) { - ret = ath12k_wmi_send_init_country_cmd(ar, &arg); - if (ret) - ath12k_warn(ar->ab, - "INIT Country code set to fw failed : %d\n", ret); + if (ar->ab->hw_params->current_cc_support) { + memcpy(¤t_arg.alpha2, request->alpha2, 2); + ret = ath12k_wmi_send_set_current_country_cmd(ar, ¤t_arg); + if (ret) + ath12k_warn(ar->ab, + "failed set current country code: %d\n", ret); + } else { + arg.flags = ALPHA_IS_SET; + memcpy(&arg.cc_info.alpha2, request->alpha2, 2); + arg.cc_info.alpha2[2] = 0; + + ret = ath12k_wmi_send_init_country_cmd(ar, &arg); + if (ret) + ath12k_warn(ar->ab, + "failed set INIT Country code: %d\n", ret); + } } } From 591de41d7008585f2e7c35dbcf5922fcb4d79e39 Mon Sep 17 00:00:00 2001 From: Wen Gong Date: Tue, 1 Apr 2025 10:08:39 +0800 Subject: [PATCH 041/104] wifi: ath12k: add 11d scan offload support The flow of 11d scan is: 1. trigger 11d scan. 2. receive, parse, and update 11d scan result. 3. stop 11d scan. So need to add handler for WMI_11D_SCAN_START_CMDID and WMI_11D_SCAN_STOP_CMDID to trigger/stop 11d scan. Add process of WMI event WMI_11D_NEW_COUNTRY_EVENTID for 11d scan result. There are two points that need to be noted: 1. The 11d scan priority is 'MEDIUM' in firmware, the hw scan priority is 'LOW'. When 11d scan is running, hw scan will be canceled. To avoid this, change the hw scan priority to 'MEDIUM' when 11d scan is running. 2. Need to add wait_for_completion_timeout() for scan.complete in ath12k_reg_update_chan_list() because 11d scan will cost more than 5 seconds. Due to another existing wait in ath12k_scan_stop(), there will be two scan.complete in different threads. Therefore use complete_all() instead of complete() for scan.complete. complete_all() can work well when it is only one thread wait for scan.complete. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Wen Gong Signed-off-by: Kang Yang Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250401020840.357-4-quic_kangyang@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 33 ++++- drivers/net/wireless/ath/ath12k/core.h | 16 +++ drivers/net/wireless/ath/ath12k/mac.c | 159 ++++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/mac.h | 7 ++ drivers/net/wireless/ath/ath12k/reg.c | 42 ++++++- drivers/net/wireless/ath/ath12k/reg.h | 2 +- drivers/net/wireless/ath/ath12k/wmi.c | 122 ++++++++++++++++++- drivers/net/wireless/ath/ath12k/wmi.h | 25 ++++ 8 files changed, 396 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index a0618f9cad4c..c2cd8c431dbc 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1339,6 +1339,7 @@ void ath12k_core_halt(struct ath12k *ar) cancel_delayed_work_sync(&ar->scan.timeout); cancel_work_sync(&ar->regd_update_work); cancel_work_sync(&ab->rfkill_work); + cancel_work_sync(&ab->update_11d_work); rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); synchronize_rcu(); @@ -1372,8 +1373,10 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab) ar = &ah->radio[j]; ath12k_mac_drain_tx(ar); + ar->state_11d = ATH12K_11D_IDLE; + complete(&ar->completed_11d_scan); complete(&ar->scan.started); - complete(&ar->scan.completed); + complete_all(&ar->scan.completed); complete(&ar->scan.on_channel); complete(&ar->peer_assoc_done); complete(&ar->peer_delete_done); @@ -1398,6 +1401,33 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab) wake_up(&ab->peer_mapping_wq); } +static void ath12k_update_11d(struct work_struct *work) +{ + struct ath12k_base *ab = container_of(work, struct ath12k_base, update_11d_work); + struct ath12k *ar; + struct ath12k_pdev *pdev; + struct wmi_set_current_country_arg arg = {}; + int ret, i; + + spin_lock_bh(&ab->base_lock); + memcpy(&arg.alpha2, &ab->new_alpha2, 2); + spin_unlock_bh(&ab->base_lock); + + ath12k_dbg(ab, ATH12K_DBG_WMI, "update 11d new cc %c%c\n", + arg.alpha2[0], arg.alpha2[1]); + + for (i = 0; i < ab->num_radios; i++) { + pdev = &ab->pdevs[i]; + ar = pdev->ar; + + ret = ath12k_wmi_send_set_current_country_cmd(ar, &arg); + if (ret) + ath12k_warn(ar->ab, + "pdev id %d failed set current country code: %d\n", + i, ret); + } +} + static void ath12k_core_post_reconfigure_recovery(struct ath12k_base *ab) { struct ath12k_hw_group *ag = ab->ag; @@ -2051,6 +2081,7 @@ struct ath12k_base *ath12k_core_alloc(struct device *dev, size_t priv_size, INIT_WORK(&ab->reset_work, ath12k_core_reset); INIT_WORK(&ab->rfkill_work, ath12k_rfkill_work); INIT_WORK(&ab->dump_work, ath12k_coredump_upload); + INIT_WORK(&ab->update_11d_work, ath12k_update_11d); timer_setup(&ab->rx_replenish_retry, ath12k_ce_rx_replenish_retry, 0); init_completion(&ab->htc_suspend); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 4c0bc9647619..a3f75744ce6f 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -222,6 +222,12 @@ enum ath12k_scan_state { ATH12K_SCAN_ABORTING, }; +enum ath12k_11d_state { + ATH12K_11D_IDLE, + ATH12K_11D_PREPARING, + ATH12K_11D_RUNNING, +}; + enum ath12k_hw_group_flags { ATH12K_GROUP_FLAG_REGISTERED, ATH12K_GROUP_FLAG_UNREGISTER, @@ -367,6 +373,8 @@ struct ath12k_vif_iter { #define HAL_RX_MAX_NSS 8 #define HAL_RX_MAX_NUM_LEGACY_RATES 12 +#define ATH12K_SCAN_TIMEOUT_HZ (20 * HZ) + struct ath12k_rx_peer_rate_stats { u64 ht_mcs_count[HAL_RX_MAX_MCS_HT + 1]; u64 vht_mcs_count[HAL_RX_MAX_MCS_VHT + 1]; @@ -749,6 +757,12 @@ struct ath12k { bool nlo_enabled; + /* Protected by wiphy::mtx lock. */ + u32 vdev_id_11d_scan; + struct completion completed_11d_scan; + enum ath12k_11d_state state_11d; + bool regdom_set_by_user; + struct completion fw_stats_complete; struct completion mlo_setup_done; @@ -1028,6 +1042,8 @@ struct ath12k_base { /* continuous recovery fail count */ atomic_t fail_cont_count; unsigned long reset_fail_timeout; + struct work_struct update_11d_work; + u8 new_alpha2[2]; struct { /* protected by data_lock */ u32 fw_crash_counter; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index f4152f5d4987..dcc8358fa8d4 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -3271,6 +3271,11 @@ static void ath12k_bss_assoc(struct ath12k *ar, if (ret) ath12k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n", arvif->vdev_id, ret); + + if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map) && + ahvif->vdev_type == WMI_VDEV_TYPE_STA && + ahvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE) + ath12k_mac_11d_scan_stop_all(ar->ab); } static void ath12k_bss_disassoc(struct ath12k *ar, @@ -3428,6 +3433,11 @@ static void ath12k_mac_remove_link_interface(struct ieee80211_hw *hw, ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac remove link interface (vdev %d link id %d)", arvif->vdev_id, arvif->link_id); + if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map) && + ahvif->vdev_type == WMI_VDEV_TYPE_STA && + ahvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE) + ath12k_mac_11d_scan_stop(ar); + if (ahvif->vdev_type == WMI_VDEV_TYPE_AP) { ret = ath12k_peer_delete(ar, arvif->vdev_id, arvif->bssid); if (ret) @@ -4088,7 +4098,7 @@ void __ath12k_mac_scan_finish(struct ath12k *ar) fallthrough; case ATH12K_SCAN_STARTING: cancel_delayed_work(&ar->scan.timeout); - complete(&ar->scan.completed); + complete_all(&ar->scan.completed); wiphy_work_queue(ar->ah->hw->wiphy, &ar->scan.vdev_clean_wk); break; } @@ -4571,7 +4581,12 @@ static int ath12k_mac_op_hw_scan(struct ieee80211_hw *hw, ret = ath12k_start_scan(ar, arg); if (ret) { - ath12k_warn(ar->ab, "failed to start hw scan: %d\n", ret); + if (ret == -EBUSY) + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, + "scan engine is busy 11d state %d\n", ar->state_11d); + else + ath12k_warn(ar->ab, "failed to start hw scan: %d\n", ret); + spin_lock_bh(&ar->data_lock); ar->scan.state = ATH12K_SCAN_IDLE; spin_unlock_bh(&ar->data_lock); @@ -4598,6 +4613,11 @@ static int ath12k_mac_op_hw_scan(struct ieee80211_hw *hw, kfree(arg); } + if (ar->state_11d == ATH12K_11D_PREPARING && + ahvif->vdev_type == WMI_VDEV_TYPE_STA && + ahvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE) + ath12k_mac_11d_scan_start(ar, arvif->vdev_id); + return ret; } @@ -7635,7 +7655,7 @@ static int ath12k_mac_start(struct ath12k *ar) /* TODO: Do we need to enable ANI? */ - ath12k_reg_update_chan_list(ar); + ath12k_reg_update_chan_list(ar, false); ar->num_started_vdevs = 0; ar->num_created_vdevs = 0; @@ -7823,6 +7843,9 @@ static void ath12k_mac_stop(struct ath12k *ar) wiphy_work_cancel(ath12k_ar_to_hw(ar)->wiphy, &ar->scan.vdev_clean_wk); cancel_work_sync(&ar->regd_update_work); cancel_work_sync(&ar->ab->rfkill_work); + cancel_work_sync(&ar->ab->update_11d_work); + ar->state_11d = ATH12K_11D_IDLE; + complete(&ar->completed_11d_scan); spin_lock_bh(&ar->data_lock); list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) { @@ -8113,6 +8136,118 @@ static void ath12k_mac_op_update_vif_offload(struct ieee80211_hw *hw, ath12k_mac_update_vif_offload(&ahvif->deflink); } +static bool ath12k_mac_vif_ap_active_any(struct ath12k_base *ab) +{ + struct ath12k *ar; + struct ath12k_pdev *pdev; + struct ath12k_link_vif *arvif; + int i; + + for (i = 0; i < ab->num_radios; i++) { + pdev = &ab->pdevs[i]; + ar = pdev->ar; + list_for_each_entry(arvif, &ar->arvifs, list) { + if (arvif->is_up && + arvif->ahvif->vdev_type == WMI_VDEV_TYPE_AP) + return true; + } + } + return false; +} + +void ath12k_mac_11d_scan_start(struct ath12k *ar, u32 vdev_id) +{ + struct wmi_11d_scan_start_arg arg; + int ret; + + lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); + + if (ar->regdom_set_by_user) + goto fin; + + if (ar->vdev_id_11d_scan != ATH12K_11D_INVALID_VDEV_ID) + goto fin; + + if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) + goto fin; + + if (ath12k_mac_vif_ap_active_any(ar->ab)) + goto fin; + + arg.vdev_id = vdev_id; + arg.start_interval_msec = 0; + arg.scan_period_msec = ATH12K_SCAN_11D_INTERVAL; + + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, + "mac start 11d scan for vdev %d\n", vdev_id); + + ret = ath12k_wmi_send_11d_scan_start_cmd(ar, &arg); + if (ret) { + ath12k_warn(ar->ab, "failed to start 11d scan vdev %d ret: %d\n", + vdev_id, ret); + } else { + ar->vdev_id_11d_scan = vdev_id; + if (ar->state_11d == ATH12K_11D_PREPARING) + ar->state_11d = ATH12K_11D_RUNNING; + } + +fin: + if (ar->state_11d == ATH12K_11D_PREPARING) { + ar->state_11d = ATH12K_11D_IDLE; + complete(&ar->completed_11d_scan); + } +} + +void ath12k_mac_11d_scan_stop(struct ath12k *ar) +{ + int ret; + u32 vdev_id; + + lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); + + if (!test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ar->ab->wmi_ab.svc_map)) + return; + + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac stop 11d for vdev %d\n", + ar->vdev_id_11d_scan); + + if (ar->state_11d == ATH12K_11D_PREPARING) { + ar->state_11d = ATH12K_11D_IDLE; + complete(&ar->completed_11d_scan); + } + + if (ar->vdev_id_11d_scan != ATH12K_11D_INVALID_VDEV_ID) { + vdev_id = ar->vdev_id_11d_scan; + + ret = ath12k_wmi_send_11d_scan_stop_cmd(ar, vdev_id); + if (ret) { + ath12k_warn(ar->ab, + "failed to stopt 11d scan vdev %d ret: %d\n", + vdev_id, ret); + } else { + ar->vdev_id_11d_scan = ATH12K_11D_INVALID_VDEV_ID; + ar->state_11d = ATH12K_11D_IDLE; + complete(&ar->completed_11d_scan); + } + } +} + +void ath12k_mac_11d_scan_stop_all(struct ath12k_base *ab) +{ + struct ath12k *ar; + struct ath12k_pdev *pdev; + int i; + + ath12k_dbg(ab, ATH12K_DBG_MAC, "mac stop soc 11d scan\n"); + + for (i = 0; i < ab->num_radios; i++) { + pdev = &ab->pdevs[i]; + ar = pdev->ar; + + ath12k_mac_11d_scan_stop(ar); + } +} + int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) { struct ath12k_hw *ah = ar->ah; @@ -8253,6 +8388,7 @@ int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) arvif->vdev_id, ret); goto err_peer_del; } + ath12k_mac_11d_scan_stop_all(ar->ab); break; case WMI_VDEV_TYPE_STA: param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY; @@ -8291,6 +8427,13 @@ int ath12k_mac_vdev_create(struct ath12k *ar, struct ath12k_link_vif *arvif) arvif->vdev_id, ret); goto err_peer_del; } + + if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ab->wmi_ab.svc_map) && + ahvif->vdev_type == WMI_VDEV_TYPE_STA && + ahvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE) { + reinit_completion(&ar->completed_11d_scan); + ar->state_11d = ATH12K_11D_PREPARING; + } break; case WMI_VDEV_TYPE_MONITOR: ar->monitor_vdev_created = true; @@ -9635,6 +9778,14 @@ ath12k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, arvif->vdev_id, ret); } arvif->is_started = false; + + if (test_bit(WMI_TLV_SERVICE_11D_OFFLOAD, ab->wmi_ab.svc_map) && + ahvif->vdev_type == WMI_VDEV_TYPE_STA && + ahvif->vdev_subtype == WMI_VDEV_SUBTYPE_NONE && + ar->state_11d != ATH12K_11D_PREPARING) { + reinit_completion(&ar->completed_11d_scan); + ar->state_11d = ATH12K_11D_PREPARING; + } } static int @@ -11427,6 +11578,7 @@ static void ath12k_mac_setup(struct ath12k *ar) ar->num_tx_chains = hweight32(pdev->cap.tx_chain_mask); ar->num_rx_chains = hweight32(pdev->cap.rx_chain_mask); ar->scan.arvif = NULL; + ar->vdev_id_11d_scan = ATH12K_11D_INVALID_VDEV_ID; spin_lock_init(&ar->data_lock); INIT_LIST_HEAD(&ar->arvifs); @@ -11442,6 +11594,7 @@ static void ath12k_mac_setup(struct ath12k *ar) init_completion(&ar->scan.completed); init_completion(&ar->scan.on_channel); init_completion(&ar->mlo_setup_done); + init_completion(&ar->completed_11d_scan); INIT_DELAYED_WORK(&ar->scan.timeout, ath12k_scan_timeout_work); wiphy_work_init(&ar->scan.vdev_clean_wk, ath12k_scan_vdev_clean_work); diff --git a/drivers/net/wireless/ath/ath12k/mac.h b/drivers/net/wireless/ath/ath12k/mac.h index 468992a2f712..6c5f9d587a60 100644 --- a/drivers/net/wireless/ath/ath12k/mac.h +++ b/drivers/net/wireless/ath/ath12k/mac.h @@ -69,6 +69,13 @@ struct ath12k_mac_get_any_chanctx_conf_arg { extern const struct htt_rx_ring_tlv_filter ath12k_mac_mon_status_filter_default; +#define ATH12K_SCAN_11D_INTERVAL 600000 +#define ATH12K_11D_INVALID_VDEV_ID 0xFFFF + +void ath12k_mac_11d_scan_start(struct ath12k *ar, u32 vdev_id); +void ath12k_mac_11d_scan_stop(struct ath12k *ar); +void ath12k_mac_11d_scan_stop_all(struct ath12k_base *ab); + void ath12k_mac_destroy(struct ath12k_hw_group *ag); void ath12k_mac_unregister(struct ath12k_hw_group *ag); int ath12k_mac_register(struct ath12k_hw_group *ag); diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index 1904f7b44ee8..e6f0f563d370 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include #include "core.h" @@ -99,10 +99,16 @@ ath12k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) ath12k_warn(ar->ab, "failed set INIT Country code: %d\n", ret); } + + wiphy_lock(wiphy); + ath12k_mac_11d_scan_stop(ar); + wiphy_unlock(wiphy); + + ar->regdom_set_by_user = true; } } -int ath12k_reg_update_chan_list(struct ath12k *ar) +int ath12k_reg_update_chan_list(struct ath12k *ar, bool wait) { struct ieee80211_supported_band **bands; struct ath12k_wmi_scan_chan_list_arg *arg; @@ -111,7 +117,35 @@ int ath12k_reg_update_chan_list(struct ath12k *ar) struct ath12k_wmi_channel_arg *ch; enum nl80211_band band; int num_channels = 0; - int i, ret; + int i, ret, left; + + if (wait && ar->state_11d != ATH12K_11D_IDLE) { + left = wait_for_completion_timeout(&ar->completed_11d_scan, + ATH12K_SCAN_TIMEOUT_HZ); + if (!left) { + ath12k_dbg(ar->ab, ATH12K_DBG_REG, + "failed to receive 11d scan complete: timed out\n"); + ar->state_11d = ATH12K_11D_IDLE; + } + ath12k_dbg(ar->ab, ATH12K_DBG_REG, + "reg 11d scan wait left time %d\n", left); + } + + if (wait && + (ar->scan.state == ATH12K_SCAN_STARTING || + ar->scan.state == ATH12K_SCAN_RUNNING)) { + left = wait_for_completion_timeout(&ar->scan.completed, + ATH12K_SCAN_TIMEOUT_HZ); + if (!left) + ath12k_dbg(ar->ab, ATH12K_DBG_REG, + "failed to receive hw scan complete: timed out\n"); + + ath12k_dbg(ar->ab, ATH12K_DBG_REG, + "reg hw scan wait left time %d\n", left); + } + + if (ar->ah->state == ATH12K_HW_STATE_RESTARTING) + return 0; bands = hw->wiphy->bands; for (band = 0; band < NUM_NL80211_BANDS; band++) { @@ -300,7 +334,7 @@ int ath12k_regd_update(struct ath12k *ar, bool init) */ for_each_ar(ah, ar, i) { ab = ar->ab; - ret = ath12k_reg_update_chan_list(ar); + ret = ath12k_reg_update_chan_list(ar, true); if (ret) goto err; } diff --git a/drivers/net/wireless/ath/ath12k/reg.h b/drivers/net/wireless/ath/ath12k/reg.h index 75f80df2aa0c..b1eb584ff34c 100644 --- a/drivers/net/wireless/ath/ath12k/reg.h +++ b/drivers/net/wireless/ath/ath12k/reg.h @@ -99,6 +99,6 @@ struct ieee80211_regdomain *ath12k_reg_build_regd(struct ath12k_base *ab, struct ath12k_reg_info *reg_info, bool intersect); int ath12k_regd_update(struct ath12k *ar, bool init); -int ath12k_reg_update_chan_list(struct ath12k *ar); +int ath12k_reg_update_chan_list(struct ath12k *ar, bool wait); #endif diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index b2eb3054cbe8..18469ddb7e65 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -178,6 +178,8 @@ static const struct ath12k_wmi_tlv_policy ath12k_wmi_tlv_policies[] = { .min_len = sizeof(struct ath12k_wmi_p2p_noa_info) }, [WMI_TAG_P2P_NOA_EVENT] = { .min_len = sizeof(struct wmi_p2p_noa_event) }, + [WMI_TAG_11D_NEW_COUNTRY_EVENT] = { + .min_len = sizeof(struct wmi_11d_new_cc_event) }, }; __le32 ath12k_wmi_tlv_hdr(u32 cmd, u32 len) @@ -2610,7 +2612,10 @@ int ath12k_wmi_send_scan_start_cmd(struct ath12k *ar, cmd->scan_id = cpu_to_le32(arg->scan_id); cmd->scan_req_id = cpu_to_le32(arg->scan_req_id); cmd->vdev_id = cpu_to_le32(arg->vdev_id); - cmd->scan_priority = cpu_to_le32(arg->scan_priority); + if (ar->state_11d == ATH12K_11D_PREPARING) + arg->scan_priority = WMI_SCAN_PRIORITY_MEDIUM; + else + arg->scan_priority = WMI_SCAN_PRIORITY_LOW; cmd->notify_scan_events = cpu_to_le32(arg->notify_scan_events); ath12k_wmi_copy_scan_event_cntrl_flags(cmd, arg); @@ -3368,6 +3373,74 @@ int ath12k_wmi_send_set_current_country_cmd(struct ath12k *ar, return ret; } +int ath12k_wmi_send_11d_scan_start_cmd(struct ath12k *ar, + struct wmi_11d_scan_start_arg *arg) +{ + struct ath12k_wmi_pdev *wmi = ar->wmi; + struct wmi_11d_scan_start_cmd *cmd; + struct sk_buff *skb; + int ret; + + skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_11d_scan_start_cmd *)skb->data; + cmd->tlv_header = + ath12k_wmi_tlv_cmd_hdr(WMI_TAG_11D_SCAN_START_CMD, + sizeof(*cmd)); + + cmd->vdev_id = cpu_to_le32(arg->vdev_id); + cmd->scan_period_msec = cpu_to_le32(arg->scan_period_msec); + cmd->start_interval_msec = cpu_to_le32(arg->start_interval_msec); + ret = ath12k_wmi_cmd_send(wmi, skb, WMI_11D_SCAN_START_CMDID); + + ath12k_dbg(ar->ab, ATH12K_DBG_WMI, + "send 11d scan start vdev id %d period %d ms internal %d ms\n", + arg->vdev_id, arg->scan_period_msec, + arg->start_interval_msec); + + if (ret) { + ath12k_warn(ar->ab, + "failed to send WMI_11D_SCAN_START_CMDID: %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} + +int ath12k_wmi_send_11d_scan_stop_cmd(struct ath12k *ar, u32 vdev_id) +{ + struct ath12k_wmi_pdev *wmi = ar->wmi; + struct wmi_11d_scan_stop_cmd *cmd; + struct sk_buff *skb; + int ret; + + skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_11d_scan_stop_cmd *)skb->data; + cmd->tlv_header = + ath12k_wmi_tlv_cmd_hdr(WMI_TAG_11D_SCAN_STOP_CMD, + sizeof(*cmd)); + + cmd->vdev_id = cpu_to_le32(vdev_id); + ret = ath12k_wmi_cmd_send(wmi, skb, WMI_11D_SCAN_STOP_CMDID); + + ath12k_dbg(ar->ab, ATH12K_DBG_WMI, + "send 11d scan stop vdev id %d\n", + cmd->vdev_id); + + if (ret) { + ath12k_warn(ar->ab, + "failed to send WMI_11D_SCAN_STOP_CMDID: %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} + int ath12k_wmi_send_twt_enable_cmd(struct ath12k *ar, u32 pdev_id) { @@ -5988,6 +6061,50 @@ static void ath12k_wmi_op_ep_tx_credits(struct ath12k_base *ab) wake_up(&ab->wmi_ab.tx_credits_wq); } +static int ath12k_reg_11d_new_cc_event(struct ath12k_base *ab, struct sk_buff *skb) +{ + const struct wmi_11d_new_cc_event *ev; + struct ath12k *ar; + struct ath12k_pdev *pdev; + const void **tb; + int ret, i; + + tb = ath12k_wmi_tlv_parse_alloc(ab, skb, GFP_ATOMIC); + if (IS_ERR(tb)) { + ret = PTR_ERR(tb); + ath12k_warn(ab, "failed to parse tlv: %d\n", ret); + return ret; + } + + ev = tb[WMI_TAG_11D_NEW_COUNTRY_EVENT]; + if (!ev) { + kfree(tb); + ath12k_warn(ab, "failed to fetch 11d new cc ev"); + return -EPROTO; + } + + spin_lock_bh(&ab->base_lock); + memcpy(&ab->new_alpha2, &ev->new_alpha2, REG_ALPHA2_LEN); + spin_unlock_bh(&ab->base_lock); + + ath12k_dbg(ab, ATH12K_DBG_WMI, "wmi 11d new cc %c%c\n", + ab->new_alpha2[0], + ab->new_alpha2[1]); + + kfree(tb); + + for (i = 0; i < ab->num_radios; i++) { + pdev = &ab->pdevs[i]; + ar = pdev->ar; + ar->state_11d = ATH12K_11D_IDLE; + complete(&ar->completed_11d_scan); + } + + queue_work(ab->workqueue, &ab->update_11d_work); + + return 0; +} + static void ath12k_wmi_htc_tx_complete(struct ath12k_base *ab, struct sk_buff *skb) { @@ -8751,6 +8868,9 @@ static void ath12k_wmi_op_rx(struct ath12k_base *ab, struct sk_buff *skb) case WMI_HALPHY_STATS_CTRL_PATH_EVENTID: ath12k_wmi_process_tpc_stats(ab, skb); break; + case WMI_11D_NEW_COUNTRY_EVENTID: + ath12k_reg_11d_new_cc_event(ab, skb); + break; /* add Unsupported events (rare) here */ case WMI_TBTTOFFSET_EXT_UPDATE_EVENTID: case WMI_PEER_OPER_MODE_CHANGE_EVENTID: diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 7fdc3dd497a1..38dabdbfa1bd 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -4026,6 +4026,28 @@ struct wmi_init_country_cmd { } cc_info; } __packed; +struct wmi_11d_scan_start_arg { + u32 vdev_id; + u32 scan_period_msec; + u32 start_interval_msec; +}; + +struct wmi_11d_scan_start_cmd { + __le32 tlv_header; + __le32 vdev_id; + __le32 scan_period_msec; + __le32 start_interval_msec; +} __packed; + +struct wmi_11d_scan_stop_cmd { + __le32 tlv_header; + __le32 vdev_id; +} __packed; + +struct wmi_11d_new_cc_event { + __le32 new_alpha2; +} __packed; + struct wmi_delba_send_cmd { __le32 tlv_header; __le32 vdev_id; @@ -6008,6 +6030,9 @@ int ath12k_wmi_peer_rx_reorder_queue_setup(struct ath12k *ar, dma_addr_t paddr, u8 tid, u8 ba_window_size_valid, u32 ba_window_size); +int ath12k_wmi_send_11d_scan_start_cmd(struct ath12k *ar, + struct wmi_11d_scan_start_arg *arg); +int ath12k_wmi_send_11d_scan_stop_cmd(struct ath12k *ar, u32 vdev_id); int ath12k_wmi_rx_reord_queue_remove(struct ath12k *ar, struct ath12k_wmi_rx_reorder_queue_remove_arg *arg); From dcfebfd4c8dc0bec9b6649104cecc09f5978c4cb Mon Sep 17 00:00:00 2001 From: Wen Gong Date: Tue, 1 Apr 2025 10:08:40 +0800 Subject: [PATCH 042/104] wifi: ath12k: store and send country code to firmware after recovery Currently ath12k does not send the country code to firmware after device recovery. As a result the country code will be the default one which is reported from firmware. Country code is important, so ath12k also need to restore it to the value which was used before recovery. This is only needed for platforms which support the current_cc_support hardware parameter. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Wen Gong Signed-off-by: Kang Yang Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250401020840.357-5-quic_kangyang@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 1 + drivers/net/wireless/ath/ath12k/core.h | 1 + drivers/net/wireless/ath/ath12k/mac.c | 8 ++++++++ drivers/net/wireless/ath/ath12k/reg.c | 1 + 4 files changed, 11 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index c2cd8c431dbc..0e71935b2720 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1420,6 +1420,7 @@ static void ath12k_update_11d(struct work_struct *work) pdev = &ab->pdevs[i]; ar = pdev->ar; + memcpy(&ar->alpha2, &arg.alpha2, 2); ret = ath12k_wmi_send_set_current_country_cmd(ar, &arg); if (ret) ath12k_warn(ar->ab, diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index a3f75744ce6f..e8d2a0c859f6 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -761,6 +761,7 @@ struct ath12k { u32 vdev_id_11d_scan; struct completion completed_11d_scan; enum ath12k_11d_state state_11d; + u8 alpha2[REG_ALPHA2_LEN]; bool regdom_set_by_user; struct completion fw_stats_complete; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index dcc8358fa8d4..74b9e956c68d 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -10347,6 +10347,14 @@ ath12k_mac_op_reconfig_complete(struct ieee80211_hw *hw, ath12k_warn(ar->ab, "pdev %d successfully recovered\n", ar->pdev->pdev_id); + if (ar->ab->hw_params->current_cc_support && + ar->alpha2[0] != 0 && ar->alpha2[1] != 0) { + struct wmi_set_current_country_arg arg = {}; + + memcpy(&arg.alpha2, ar->alpha2, 2); + ath12k_wmi_send_set_current_country_cmd(ar, &arg); + } + if (ab->is_reset) { recovery_count = atomic_inc_return(&ab->recovery_count); diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index e6f0f563d370..893650f76fb2 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -85,6 +85,7 @@ ath12k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) for_each_ar(ah, ar, i) { if (ar->ab->hw_params->current_cc_support) { memcpy(¤t_arg.alpha2, request->alpha2, 2); + memcpy(&ar->alpha2, ¤t_arg.alpha2, 2); ret = ath12k_wmi_send_set_current_country_cmd(ar, ¤t_arg); if (ret) ath12k_warn(ar->ab, From 15293c1829d897065295750f1c1987f0ac82a890 Mon Sep 17 00:00:00 2001 From: Maharaja Kennadyrajan Date: Tue, 1 Apr 2025 23:07:55 +0530 Subject: [PATCH 043/104] wifi: ath12k: Fix spelling errors in mac.c file Fix spelling error correpsondig -> corresponding in the comments within the file mac.c Compile tested only. Signed-off-by: Maharaja Kennadyrajan Link: https://patch.msgid.link/20250401173755.1982382-1-maharaja.kennadyrajan@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 74b9e956c68d..b19e30d95560 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -4472,7 +4472,7 @@ static int ath12k_mac_op_hw_scan(struct ieee80211_hw *hw, return -EINVAL; /* check if any of the links of ML VIF is already started on - * radio(ar) correpsondig to given scan frequency and use it, + * radio(ar) corresponding to given scan frequency and use it, * if not use scan link (link 15) for scan purpose. */ link_id = ath12k_mac_find_link_id_by_ar(ahvif, ar); @@ -10600,7 +10600,7 @@ static int ath12k_mac_op_remain_on_channel(struct ieee80211_hw *hw, return -EINVAL; /* check if any of the links of ML VIF is already started on - * radio(ar) correpsondig to given scan frequency and use it, + * radio(ar) corresponding to given scan frequency and use it, * if not use deflink(link 0) for scan purpose. */ From 31e98e277ae47f56632e4d663b1d4fd12ba33ea8 Mon Sep 17 00:00:00 2001 From: Stone Zhang Date: Thu, 20 Mar 2025 13:31:45 +0800 Subject: [PATCH 044/104] wifi: ath11k: fix node corruption in ar->arvifs list In current WLAN recovery code flow, ath11k_core_halt() only reinitializes the "arvifs" list head. This will cause the list node immediately following the list head to become an invalid list node. Because the prev of that node still points to the list head "arvifs", but the next of the list head "arvifs" no longer points to that list node. When a WLAN recovery occurs during the execution of a vif removal, and it happens before the spin_lock_bh(&ar->data_lock) in ath11k_mac_op_remove_interface(), list_del() will detect the previously mentioned situation, thereby triggering a kernel panic. The fix is to remove and reinitialize all vif list nodes from the list head "arvifs" during WLAN halt. The reinitialization is to make the list nodes valid, ensuring that the list_del() in ath11k_mac_op_remove_interface() can execute normally. Call trace: __list_del_entry_valid_or_report+0xb8/0xd0 ath11k_mac_op_remove_interface+0xb0/0x27c [ath11k] drv_remove_interface+0x48/0x194 [mac80211] ieee80211_do_stop+0x6e0/0x844 [mac80211] ieee80211_stop+0x44/0x17c [mac80211] __dev_close_many+0xac/0x150 __dev_change_flags+0x194/0x234 dev_change_flags+0x24/0x6c devinet_ioctl+0x3a0/0x670 inet_ioctl+0x200/0x248 sock_do_ioctl+0x60/0x118 sock_ioctl+0x274/0x35c __arm64_sys_ioctl+0xac/0xf0 invoke_syscall+0x48/0x114 ... Tested-on: QCA6698AQ hw2.1 PCI WLAN.HSP.1.1-04591-QCAHSPSWPL_V1_V2_SILICONZ_IOE-1 Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices") Signed-off-by: Stone Zhang Link: https://patch.msgid.link/20250320053145.3445187-1-quic_stonez@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 3f0e8e65e8e9..2e9f8a5e61e4 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -2238,6 +2238,7 @@ static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) void ath11k_core_halt(struct ath11k *ar) { struct ath11k_base *ab = ar->ab; + struct list_head *pos, *n; lockdep_assert_held(&ar->conf_mutex); @@ -2253,7 +2254,12 @@ void ath11k_core_halt(struct ath11k *ar) rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); synchronize_rcu(); - INIT_LIST_HEAD(&ar->arvifs); + + spin_lock_bh(&ar->data_lock); + list_for_each_safe(pos, n, &ar->arvifs) + list_del_init(pos); + spin_unlock_bh(&ar->data_lock); + idr_init(&ar->txmgmt_idr); } From 0bbcd42b15fa730f393a01bc818802d9f0b04197 Mon Sep 17 00:00:00 2001 From: Sriram R Date: Wed, 2 Apr 2025 20:55:27 +0530 Subject: [PATCH 045/104] wifi: ath12k: Fix the enabling of REO queue lookup table feature Instead of storing the REO queue address inside peer entries, REO hardware module prefers them to be stored in SRAM which could be directly accessed by REO using peer_ID/TID based lookup table mechanism. Fix the enabling of the REO queue lookup table(LUT) feature by configuring the LUT address information in the REO hardware register and setting the host service flags. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sriram R Signed-off-by: Nithyanantham Paramasivam Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250402152529.1649402-2-quic_nithp@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp.c | 77 +++++++++++++++++-------- drivers/net/wireless/ath/ath12k/dp.h | 5 +- drivers/net/wireless/ath/ath12k/dp_rx.c | 10 +++- drivers/net/wireless/ath/ath12k/hal.h | 6 ++ drivers/net/wireless/ath/ath12k/hw.c | 2 + drivers/net/wireless/ath/ath12k/hw.h | 3 + drivers/net/wireless/ath/ath12k/wmi.c | 8 ++- drivers/net/wireless/ath/ath12k/wmi.h | 1 + 8 files changed, 83 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c index b1f27c3ac723..80b9f4594dee 100644 --- a/drivers/net/wireless/ath/ath12k/dp.c +++ b/drivers/net/wireless/ath/ath12k/dp.c @@ -1261,22 +1261,24 @@ static void ath12k_dp_reoq_lut_cleanup(struct ath12k_base *ab) if (!ab->hw_params->reoq_lut_support) return; - if (dp->reoq_lut.vaddr) { + if (dp->reoq_lut.vaddr_unaligned) { ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab), 0); - dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE, - dp->reoq_lut.vaddr, dp->reoq_lut.paddr); - dp->reoq_lut.vaddr = NULL; + dma_free_coherent(ab->dev, dp->reoq_lut.size, + dp->reoq_lut.vaddr_unaligned, + dp->reoq_lut.paddr_unaligned); + dp->reoq_lut.vaddr_unaligned = NULL; } - if (dp->ml_reoq_lut.vaddr) { + if (dp->ml_reoq_lut.vaddr_unaligned) { ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE1(ab), 0); - dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE, - dp->ml_reoq_lut.vaddr, dp->ml_reoq_lut.paddr); - dp->ml_reoq_lut.vaddr = NULL; + dma_free_coherent(ab->dev, dp->ml_reoq_lut.size, + dp->ml_reoq_lut.vaddr_unaligned, + dp->ml_reoq_lut.paddr_unaligned); + dp->ml_reoq_lut.vaddr_unaligned = NULL; } } @@ -1608,39 +1610,66 @@ static int ath12k_dp_cc_init(struct ath12k_base *ab) return ret; } +static int ath12k_dp_alloc_reoq_lut(struct ath12k_base *ab, + struct ath12k_reo_q_addr_lut *lut) +{ + lut->size = DP_REOQ_LUT_SIZE + HAL_REO_QLUT_ADDR_ALIGN - 1; + lut->vaddr_unaligned = dma_alloc_coherent(ab->dev, lut->size, + &lut->paddr_unaligned, + GFP_KERNEL | __GFP_ZERO); + if (!lut->vaddr_unaligned) + return -ENOMEM; + + lut->vaddr = PTR_ALIGN(lut->vaddr_unaligned, HAL_REO_QLUT_ADDR_ALIGN); + lut->paddr = lut->paddr_unaligned + + ((unsigned long)lut->vaddr - (unsigned long)lut->vaddr_unaligned); + return 0; +} + static int ath12k_dp_reoq_lut_setup(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; + u32 val; + int ret; if (!ab->hw_params->reoq_lut_support) return 0; - dp->reoq_lut.vaddr = dma_alloc_coherent(ab->dev, - DP_REOQ_LUT_SIZE, - &dp->reoq_lut.paddr, - GFP_KERNEL | __GFP_ZERO); - if (!dp->reoq_lut.vaddr) { + ret = ath12k_dp_alloc_reoq_lut(ab, &dp->reoq_lut); + if (ret) { ath12k_warn(ab, "failed to allocate memory for reoq table"); - return -ENOMEM; + return ret; } - dp->ml_reoq_lut.vaddr = dma_alloc_coherent(ab->dev, - DP_REOQ_LUT_SIZE, - &dp->ml_reoq_lut.paddr, - GFP_KERNEL | __GFP_ZERO); - if (!dp->ml_reoq_lut.vaddr) { + ret = ath12k_dp_alloc_reoq_lut(ab, &dp->ml_reoq_lut); + if (ret) { ath12k_warn(ab, "failed to allocate memory for ML reoq table"); - dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE, - dp->reoq_lut.vaddr, dp->reoq_lut.paddr); - dp->reoq_lut.vaddr = NULL; - return -ENOMEM; + dma_free_coherent(ab->dev, dp->reoq_lut.size, + dp->reoq_lut.vaddr_unaligned, + dp->reoq_lut.paddr_unaligned); + dp->reoq_lut.vaddr_unaligned = NULL; + return ret; } + /* Bits in the register have address [39:8] LUT base address to be + * allocated such that LSBs are assumed to be zero. Also, current + * design supports paddr upto 4 GB max hence it fits in 32 bit register only + */ + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab), - dp->reoq_lut.paddr); + dp->reoq_lut.paddr >> 8); + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE1(ab), dp->ml_reoq_lut.paddr >> 8); + val = ath12k_hif_read32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_ADDR(ab)); + + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_ADDR(ab), + val | HAL_REO_QDESC_ADDR_READ_LUT_ENABLE); + + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_MAX_PEERID(ab), + HAL_REO_QDESC_MAX_PEERID); + return 0; } diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h index 427a87b63dec..e8dbba0c3bb7 100644 --- a/drivers/net/wireless/ath/ath12k/dp.h +++ b/drivers/net/wireless/ath/ath12k/dp.h @@ -311,8 +311,11 @@ struct ath12k_reo_queue_ref { } __packed; struct ath12k_reo_q_addr_lut { - dma_addr_t paddr; + u32 *vaddr_unaligned; u32 *vaddr; + dma_addr_t paddr_unaligned; + dma_addr_t paddr; + u32 size; }; struct ath12k_dp { diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 66603e9c154b..81e036f1d70f 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -3242,8 +3242,14 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, reo_ent_ring->rx_mpdu_info.peer_meta_data = reo_dest_ring->rx_mpdu_info.peer_meta_data; - reo_ent_ring->queue_addr_lo = cpu_to_le32(lower_32_bits(rx_tid->paddr)); - queue_addr_hi = upper_32_bits(rx_tid->paddr); + if (ab->hw_params->reoq_lut_support) { + reo_ent_ring->queue_addr_lo = reo_dest_ring->rx_mpdu_info.peer_meta_data; + queue_addr_hi = 0; + } else { + reo_ent_ring->queue_addr_lo = cpu_to_le32(lower_32_bits(rx_tid->paddr)); + queue_addr_hi = upper_32_bits(rx_tid->paddr); + } + reo_ent_ring->info0 = le32_encode_bits(queue_addr_hi, HAL_REO_ENTR_RING_INFO0_QUEUE_ADDR_HI) | le32_encode_bits(dst_ind, diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h index 9f12ed84a653..76bb095c62e6 100644 --- a/drivers/net/wireless/ath/ath12k/hal.h +++ b/drivers/net/wireless/ath/ath12k/hal.h @@ -22,6 +22,7 @@ struct ath12k_base; #define HAL_MAX_AVAIL_BLK_RES 3 #define HAL_RING_BASE_ALIGN 8 +#define HAL_REO_QLUT_ADDR_ALIGN 256 #define HAL_WBM_IDLE_SCATTER_BUF_SIZE_MAX 32704 /* TODO: Check with hw team on the supported scatter buf size */ @@ -40,6 +41,7 @@ struct ath12k_base; #define HAL_OFFSET_FROM_HP_TO_TP 4 #define HAL_SHADOW_REG(x) (HAL_SHADOW_BASE_ADDR + (4 * (x))) +#define HAL_REO_QDESC_MAX_PEERID 8191 /* WCSS Relative address */ #define HAL_SEQ_WCSS_CMEM_OFFSET 0x00100000 @@ -141,6 +143,8 @@ struct ath12k_base; #define HAL_REO1_DEST_RING_CTRL_IX_1 0x00000008 #define HAL_REO1_DEST_RING_CTRL_IX_2 0x0000000c #define HAL_REO1_DEST_RING_CTRL_IX_3 0x00000010 +#define HAL_REO1_QDESC_ADDR(ab) ((ab)->hw_params->regs->hal_reo1_qdesc_addr) +#define HAL_REO1_QDESC_MAX_PEERID(ab) ((ab)->hw_params->regs->hal_reo1_qdesc_max_peerid) #define HAL_REO1_SW_COOKIE_CFG0(ab) ((ab)->hw_params->regs->hal_reo1_sw_cookie_cfg0) #define HAL_REO1_SW_COOKIE_CFG1(ab) ((ab)->hw_params->regs->hal_reo1_sw_cookie_cfg1) #define HAL_REO1_QDESC_LUT_BASE0(ab) ((ab)->hw_params->regs->hal_reo1_qdesc_lut_base0) @@ -328,6 +332,8 @@ struct ath12k_base; #define HAL_REO1_SW_COOKIE_CFG_ALIGN BIT(18) #define HAL_REO1_SW_COOKIE_CFG_ENABLE BIT(19) #define HAL_REO1_SW_COOKIE_CFG_GLOBAL_ENABLE BIT(20) +#define HAL_REO_QDESC_ADDR_READ_LUT_ENABLE BIT(7) +#define HAL_REO_QDESC_ADDR_READ_CLEAR_QDESC_ARRAY BIT(6) /* CE ring bit field mask and shift */ #define HAL_CE_DST_R0_DEST_CTRL_MAX_LEN GENMASK(15, 0) diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index a041697f6b1a..c349911c47db 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -997,6 +997,8 @@ static const struct ath12k_hw_regs qcn9274_v2_regs = { .hal_reo1_sw_cookie_cfg1 = 0x00000070, .hal_reo1_qdesc_lut_base0 = 0x00000074, .hal_reo1_qdesc_lut_base1 = 0x00000078, + .hal_reo1_qdesc_addr = 0x0000007c, + .hal_reo1_qdesc_max_peerid = 0x00000088, .hal_reo1_ring_base_lsb = 0x00000500, .hal_reo1_ring_base_msb = 0x00000504, .hal_reo1_ring_id = 0x00000508, diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index 774679f33406..d0218d3eea54 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -312,6 +312,9 @@ struct ath12k_hw_regs { u32 hal_tcl_status_ring_base_lsb; + u32 hal_reo1_qdesc_addr; + u32 hal_reo1_qdesc_max_peerid; + u32 hal_wbm_idle_ring_base_lsb; u32 hal_wbm_idle_ring_misc_addr; u32 hal_wbm_r0_idle_list_cntl_addr; diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 18469ddb7e65..d0f3e27c87e3 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -3793,7 +3793,8 @@ ath12k_fill_band_to_mac_param(struct ath12k_base *soc, } static void -ath12k_wmi_copy_resource_config(struct ath12k_wmi_resource_config_params *wmi_cfg, +ath12k_wmi_copy_resource_config(struct ath12k_base *ab, + struct ath12k_wmi_resource_config_params *wmi_cfg, struct ath12k_wmi_resource_config_arg *tg_cfg) { wmi_cfg->num_vdevs = cpu_to_le32(tg_cfg->num_vdevs); @@ -3860,6 +3861,9 @@ ath12k_wmi_copy_resource_config(struct ath12k_wmi_resource_config_params *wmi_cf WMI_RSRC_CFG_FLAGS2_RX_PEER_METADATA_VERSION); wmi_cfg->host_service_flags = cpu_to_le32(tg_cfg->is_reg_cc_ext_event_supported << WMI_RSRC_CFG_HOST_SVC_FLAG_REG_CC_EXT_SUPPORT_BIT); + if (ab->hw_params->reoq_lut_support) + wmi_cfg->host_service_flags |= + cpu_to_le32(1 << WMI_RSRC_CFG_HOST_SVC_FLAG_REO_QREF_SUPPORT_BIT); wmi_cfg->ema_max_vap_cnt = cpu_to_le32(tg_cfg->ema_max_vap_cnt); wmi_cfg->ema_max_profile_period = cpu_to_le32(tg_cfg->ema_max_profile_period); wmi_cfg->flags2 |= cpu_to_le32(WMI_RSRC_CFG_FLAGS2_CALC_NEXT_DTIM_COUNT_SET); @@ -3900,7 +3904,7 @@ static int ath12k_init_cmd_send(struct ath12k_wmi_pdev *wmi, ptr = skb->data + sizeof(*cmd); cfg = ptr; - ath12k_wmi_copy_resource_config(cfg, &arg->res_cfg); + ath12k_wmi_copy_resource_config(ab, cfg, &arg->res_cfg); cfg->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_RESOURCE_CONFIG, sizeof(*cfg)); diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 38dabdbfa1bd..80fdbc566518 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -2461,6 +2461,7 @@ struct wmi_init_cmd { } __packed; #define WMI_RSRC_CFG_HOST_SVC_FLAG_REG_CC_EXT_SUPPORT_BIT 4 +#define WMI_RSRC_CFG_HOST_SVC_FLAG_REO_QREF_SUPPORT_BIT 12 #define WMI_RSRC_CFG_FLAGS2_RX_PEER_METADATA_VERSION GENMASK(5, 4) #define WMI_RSRC_CFG_FLAG1_BSS_CHANNEL_INFO_64 BIT(5) #define WMI_RSRC_CFG_FLAGS2_CALC_NEXT_DTIM_COUNT_SET BIT(9) From 30b03edd265a79b779c29c12ad640c91830ce7ca Mon Sep 17 00:00:00 2001 From: Balamurugan S Date: Wed, 2 Apr 2025 20:55:28 +0530 Subject: [PATCH 046/104] wifi: ath12k: Add support to clear qdesc array in REO cache Currently, the existing code lacks functionality to clear the qdesc array in the REO cache. As a result, any updates in the LUT are not reflected in the REO cache. To address this issue, add functionality to clear the qdesc array in the REO cache during a peer TID update. To do this, set the CLEAR_DESC_ARRAY field of WCSS_UMAC_REO_R0_QDESC_ADDR_READ and then reset it. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Signed-off-by: Balamurugan S Signed-off-by: Nithyanantham Paramasivam Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250402152529.1649402-3-quic_nithp@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 1 + drivers/net/wireless/ath/ath12k/hal.h | 1 + drivers/net/wireless/ath/ath12k/hal_rx.c | 19 ++++++++++++++++++- 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 81e036f1d70f..48d907a400b3 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -762,6 +762,7 @@ static void ath12k_peer_rx_tid_qref_setup(struct ath12k_base *ab, u16 peer_id, u qref->info1 = u32_encode_bits(upper_32_bits(paddr), BUFFER_ADDR_INFO1_ADDR) | u32_encode_bits(tid, DP_REO_QREF_NUM); + ath12k_hal_reo_shared_qaddr_cache_clear(ab); } static void ath12k_peer_rx_tid_qref_reset(struct ath12k_base *ab, u16 peer_id, u16 tid) diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h index 76bb095c62e6..339812d38338 100644 --- a/drivers/net/wireless/ath/ath12k/hal.h +++ b/drivers/net/wireless/ath/ath12k/hal.h @@ -1172,4 +1172,5 @@ int ath12k_hal_srng_update_shadow_config(struct ath12k_base *ab, void ath12k_hal_srng_shadow_config(struct ath12k_base *ab); void ath12k_hal_srng_shadow_update_hp_tp(struct ath12k_base *ab, struct hal_srng *srng); +void ath12k_hal_reo_shared_qaddr_cache_clear(struct ath12k_base *ab); #endif diff --git a/drivers/net/wireless/ath/ath12k/hal_rx.c b/drivers/net/wireless/ath/ath12k/hal_rx.c index ac17d6223fa7..98eeccc68fcd 100644 --- a/drivers/net/wireless/ath/ath12k/hal_rx.c +++ b/drivers/net/wireless/ath/ath12k/hal_rx.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "debug.h" @@ -851,3 +851,20 @@ void ath12k_hal_reo_hw_setup(struct ath12k_base *ab, u32 ring_hash_map) ath12k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_3, ring_hash_map); } + +void ath12k_hal_reo_shared_qaddr_cache_clear(struct ath12k_base *ab) +{ + u32 val; + + lockdep_assert_held(&ab->base_lock); + val = ath12k_hif_read32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + + HAL_REO1_QDESC_ADDR(ab)); + + val |= u32_encode_bits(1, HAL_REO_QDESC_ADDR_READ_CLEAR_QDESC_ARRAY); + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + + HAL_REO1_QDESC_ADDR(ab), val); + + val &= ~HAL_REO_QDESC_ADDR_READ_CLEAR_QDESC_ARRAY; + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + + HAL_REO1_QDESC_ADDR(ab), val); +} From 89ac53e96217bd5525ee56eaa1b8ef2b398a9ad6 Mon Sep 17 00:00:00 2001 From: Nithyanantham Paramasivam Date: Wed, 2 Apr 2025 20:55:29 +0530 Subject: [PATCH 047/104] wifi: ath12k: Enable REO queue lookup table feature on QCN9274 Enable the REO queue lookup table feature for QCN9274 by setting the reoq_lut_support flag. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Signed-off-by: Nithyanantham Paramasivam Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250402152529.1649402-4-quic_nithp@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index c349911c47db..e3249719ca53 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1288,7 +1288,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .download_calib = true, .supports_suspend = false, .tcl_ring_retry = true, - .reoq_lut_support = false, + .reoq_lut_support = true, .supports_shadow_regs = false, .num_tcl_banks = 48, From cb1790249361ba9396b06b1af2500147e6e42e5e Mon Sep 17 00:00:00 2001 From: Pradeep Kumar Chitrapu Date: Thu, 20 Mar 2025 16:54:26 +0530 Subject: [PATCH 048/104] wifi: ath12k: Fix incorrect rates sent to firmware Before firmware assert, if there is a station interface in the device which is not associated with an AP, the basic rates are set to zero. Following this, during firmware recovery, when basic rates are zero, ath12k driver is sending invalid rate codes, which are negative values, to firmware. This results in firmware assert. Fix this by checking if rate codes are valid, before sending them to the firmware. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Signed-off-by: Pradeep Kumar Chitrapu Signed-off-by: Roopni Devanathan Reviewed-by: Vasanthakumar Thiagarajan Reviewed-by: Ping-Ke Shih Link: https://patch.msgid.link/20250320112426.1956961-1-quic_rdevanat@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index b19e30d95560..5a6630d6e9b9 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -3349,7 +3349,10 @@ static void ath12k_recalculate_mgmt_rate(struct ath12k *ar, } sband = hw->wiphy->bands[def->chan->band]; - basic_rate_idx = ffs(bss_conf->basic_rates) - 1; + if (bss_conf->basic_rates) + basic_rate_idx = __ffs(bss_conf->basic_rates); + else + basic_rate_idx = 0; bitrate = sband->bitrates[basic_rate_idx].bitrate; hw_rate_code = ath12k_mac_get_rate_hw_value(bitrate); @@ -3887,10 +3890,14 @@ static void ath12k_mac_bss_info_changed(struct ath12k *ar, band = def.chan->band; mcast_rate = info->mcast_rate[band]; - if (mcast_rate > 0) + if (mcast_rate > 0) { rateidx = mcast_rate - 1; - else - rateidx = ffs(info->basic_rates) - 1; + } else { + if (info->basic_rates) + rateidx = __ffs(info->basic_rates); + else + rateidx = 0; + } if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5GHZ_CAP) rateidx += ATH12K_MAC_FIRST_OFDM_RATE_IDX; From 75ec94db880b1e4b4f9182885d60db0db6e2ee56 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 2 Apr 2025 23:10:32 +0530 Subject: [PATCH 049/104] wifi: ath12k: Fix memory leak during vdev_id mismatch Currently driver enables vdev_id check as part of the bank configuration in ath12k_dp_tx_get_vdev_bank_config(). This check ensures that the vdev_id configured in the bank register aligns with the vdev_id in the packet's address search table within the firmware. If there is a mismatch, the firmware forwards the packet with the HTT status HAL_WBM_REL_HTT_TX_COMP_STATUS_VDEVID_MISMATCH. Since driver does not handle this vdev_id mismatch HTT status, the corresponding buffers are not freed properly, causing a memory leak. Fix this issue by adding handling to free the buffers when a vdev_id mismatch HTT status is encountered. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ- Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: P Praneesh Link: https://patch.msgid.link/20250402174032.2651221-1-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_tx.c | 1 + drivers/net/wireless/ath/ath12k/hal_desc.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index 29e2715024ce..b93669348f35 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -586,6 +586,7 @@ ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab, case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL: case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ: case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT: + case HAL_WBM_REL_HTT_TX_COMP_STATUS_VDEVID_MISMATCH: ath12k_dp_tx_free_txbuf(ab, msdu, mac_id, tx_ring); break; case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY: diff --git a/drivers/net/wireless/ath/ath12k/hal_desc.h b/drivers/net/wireless/ath/ath12k/hal_desc.h index 3e8983b85de8..63d279fab322 100644 --- a/drivers/net/wireless/ath/ath12k/hal_desc.h +++ b/drivers/net/wireless/ath/ath12k/hal_desc.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2022, 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "core.h" @@ -1298,6 +1298,7 @@ enum hal_wbm_htt_tx_comp_status { HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ, HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT, HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY, + HAL_WBM_REL_HTT_TX_COMP_STATUS_VDEVID_MISMATCH, HAL_WBM_REL_HTT_TX_COMP_STATUS_MAX, }; From 6f8a27a584b23e9dedefd6cb110dd2587b84a6d4 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 2 Apr 2025 23:27:14 +0530 Subject: [PATCH 050/104] wifi: ath12k: Fix memory corruption during MLO multicast tx The struct sk_buff's control buffer is shared by mac80211's struct ieee80211_tx_info and ath12k's struct ath12k_skb_cb. When the driver wants to transmit an skb, it caches all the mac80211-specific information from struct ieee80211_tx_info, then performs a memset on the control buffer before writing the ath12k-specific information using struct ath12k_skb_cb. However, during multicast tx, the key is being filled into the driver data, which overwrites some crucial members like link_id and flags in struct ath12k_skb_cb. This causes invalid information retrieval when the driver accesses these fields during ath12k_dp_tx(). Fix this issue by removing the key filling logic during MLO multicast tx, as it is not used anywhere in the tx path. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: 2f50de725677 ("wifi: ath12k: Add support for MLO Multicast handling in driver") Signed-off-by: P Praneesh Link: https://patch.msgid.link/20250402175714.2667270-1-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 5a6630d6e9b9..2b6bdc3d2b11 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -7497,7 +7497,6 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, info_flags); skb_cb = ATH12K_SKB_CB(msdu_copied); - info = IEEE80211_SKB_CB(msdu_copied); skb_cb->link_id = link_id; /* For open mode, skip peer find logic */ @@ -7520,7 +7519,6 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, if (key) { skb_cb->cipher = key->cipher; skb_cb->flags |= ATH12K_SKB_CIPHER_SET; - info->control.hw_key = key; hdr = (struct ieee80211_hdr *)msdu_copied->data; if (!ieee80211_has_protected(hdr->frame_control)) From be908d2360341f8bbc982fff5a5e4f8030c17f74 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 2 Apr 2025 23:35:43 +0530 Subject: [PATCH 051/104] wifi: ath12k: Fix invalid memory access while forming 802.11 header While forming the 802.11 header from the rx descriptor, skb_push() is performed for the 802.11 header length and then calls ath12k_dp_rx_desc_get_dot11_hdr(). Since skb_push() moves the skb->data pointer backwards by the 802.11 header length, the rx descriptor points to a different memory area than intended, causing invalid information to be fetched from the rx descriptor. Also, when IV and ICV are not stripped from the given MSDU, mac80211 performs PN validation for these MSDUs, which requires the crypto header. Before forming the crypto header from the given rx descriptor, skb_push() is performed for the crypto header length, which overwrites the memory pointed to by the rx descriptor, causing invalid information to form the 802.11 header. Fix these issues by moving all rx descriptor accesses before the skb_push() operation which ensures the proper 802.11 headers are generated from the given rx descriptor and removing ath12k_dp_rxdesc_get_mpdu_frame_ctrl() for filling frame control, as this information is already fetched by ath12k_dp_rx_desc_get_dot11_hdr(). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Co-developed-by: Karthikeyan Periyasamy Signed-off-by: Karthikeyan Periyasamy Signed-off-by: P Praneesh Link: https://patch.msgid.link/20250402180543.2670947-1-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 27 +++++++++---------------- drivers/net/wireless/ath/ath12k/hal.c | 19 ----------------- drivers/net/wireless/ath/ath12k/hal.h | 1 - 3 files changed, 9 insertions(+), 38 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 48d907a400b3..cffff66c5ec4 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -228,12 +228,6 @@ static void ath12k_dp_rx_desc_get_crypto_header(struct ath12k_base *ab, ab->hal_rx_ops->rx_desc_get_crypto_header(desc, crypto_hdr, enctype); } -static u16 ath12k_dp_rxdesc_get_mpdu_frame_ctrl(struct ath12k_base *ab, - struct hal_rx_desc *desc) -{ - return ab->hal_rx_ops->rx_desc_get_mpdu_frame_ctl(desc); -} - static inline u8 ath12k_dp_rx_get_msdu_src_link(struct ath12k_base *ab, struct hal_rx_desc *desc) { @@ -2123,10 +2117,13 @@ static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar, struct hal_rx_desc *rx_desc = rxcb->rx_desc; struct ath12k_base *ab = ar->ab; size_t hdr_len, crypto_len; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr hdr; u16 qos_ctl; - __le16 fc; - u8 *crypto_hdr; + u8 *crypto_hdr, mesh_ctrl; + + ath12k_dp_rx_desc_get_dot11_hdr(ab, rx_desc, &hdr); + hdr_len = ieee80211_hdrlen(hdr.frame_control); + mesh_ctrl = ath12k_dp_rx_h_mesh_ctl_present(ab, rx_desc); if (!(status->flag & RX_FLAG_IV_STRIPPED)) { crypto_len = ath12k_dp_rx_crypto_param_len(ar, enctype); @@ -2134,22 +2131,16 @@ static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar, ath12k_dp_rx_desc_get_crypto_header(ab, rx_desc, crypto_hdr, enctype); } - fc = cpu_to_le16(ath12k_dp_rxdesc_get_mpdu_frame_ctrl(ab, rx_desc)); - hdr_len = ieee80211_hdrlen(fc); skb_push(msdu, hdr_len); - hdr = (struct ieee80211_hdr *)msdu->data; - hdr->frame_control = fc; - - /* Get wifi header from rx_desc */ - ath12k_dp_rx_desc_get_dot11_hdr(ab, rx_desc, hdr); + memcpy(msdu->data, &hdr, min(hdr_len, sizeof(hdr))); if (rxcb->is_mcbc) status->flag &= ~RX_FLAG_PN_VALIDATED; /* Add QOS header */ - if (ieee80211_is_data_qos(hdr->frame_control)) { + if (ieee80211_is_data_qos(hdr.frame_control)) { qos_ctl = rxcb->tid; - if (ath12k_dp_rx_h_mesh_ctl_present(ab, rx_desc)) + if (mesh_ctrl) qos_ctl |= IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT; /* TODO: Add other QoS ctl fields when required */ diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c index 031f76d88bef..d00869a33fea 100644 --- a/drivers/net/wireless/ath/ath12k/hal.c +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -511,11 +511,6 @@ static void ath12k_hw_qcn9274_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc, crypto_hdr[7] = HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[1]); } -static u16 ath12k_hw_qcn9274_rx_desc_get_mpdu_frame_ctl(struct hal_rx_desc *desc) -{ - return __le16_to_cpu(desc->u.qcn9274.mpdu_start.frame_ctrl); -} - static int ath12k_hal_srng_create_config_qcn9274(struct ath12k_base *ab) { struct ath12k_hal *hal = &ab->hal; @@ -736,7 +731,6 @@ const struct hal_rx_ops hal_rx_qcn9274_ops = { .rx_desc_is_da_mcbc = ath12k_hw_qcn9274_rx_desc_is_da_mcbc, .rx_desc_get_dot11_hdr = ath12k_hw_qcn9274_rx_desc_get_dot11_hdr, .rx_desc_get_crypto_header = ath12k_hw_qcn9274_rx_desc_get_crypto_hdr, - .rx_desc_get_mpdu_frame_ctl = ath12k_hw_qcn9274_rx_desc_get_mpdu_frame_ctl, .dp_rx_h_msdu_done = ath12k_hw_qcn9274_dp_rx_h_msdu_done, .dp_rx_h_l4_cksum_fail = ath12k_hw_qcn9274_dp_rx_h_l4_cksum_fail, .dp_rx_h_ip_cksum_fail = ath12k_hw_qcn9274_dp_rx_h_ip_cksum_fail, @@ -975,11 +969,6 @@ ath12k_hw_qcn9274_compact_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc, HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274_compact.mpdu_start.pn[1]); } -static u16 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_frame_ctl(struct hal_rx_desc *desc) -{ - return __le16_to_cpu(desc->u.qcn9274_compact.mpdu_start.frame_ctrl); -} - static bool ath12k_hw_qcn9274_compact_dp_rx_h_msdu_done(struct hal_rx_desc *desc) { return !!le32_get_bits(desc->u.qcn9274_compact.msdu_end.info14, @@ -1080,8 +1069,6 @@ const struct hal_rx_ops hal_rx_qcn9274_compact_ops = { .rx_desc_is_da_mcbc = ath12k_hw_qcn9274_compact_rx_desc_is_da_mcbc, .rx_desc_get_dot11_hdr = ath12k_hw_qcn9274_compact_rx_desc_get_dot11_hdr, .rx_desc_get_crypto_header = ath12k_hw_qcn9274_compact_rx_desc_get_crypto_hdr, - .rx_desc_get_mpdu_frame_ctl = - ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_frame_ctl, .dp_rx_h_msdu_done = ath12k_hw_qcn9274_compact_dp_rx_h_msdu_done, .dp_rx_h_l4_cksum_fail = ath12k_hw_qcn9274_compact_dp_rx_h_l4_cksum_fail, .dp_rx_h_ip_cksum_fail = ath12k_hw_qcn9274_compact_dp_rx_h_ip_cksum_fail, @@ -1330,11 +1317,6 @@ static void ath12k_hw_wcn7850_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc, crypto_hdr[7] = HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[1]); } -static u16 ath12k_hw_wcn7850_rx_desc_get_mpdu_frame_ctl(struct hal_rx_desc *desc) -{ - return __le16_to_cpu(desc->u.wcn7850.mpdu_start.frame_ctrl); -} - static int ath12k_hal_srng_create_config_wcn7850(struct ath12k_base *ab) { struct ath12k_hal *hal = &ab->hal; @@ -1555,7 +1537,6 @@ const struct hal_rx_ops hal_rx_wcn7850_ops = { .rx_desc_is_da_mcbc = ath12k_hw_wcn7850_rx_desc_is_da_mcbc, .rx_desc_get_dot11_hdr = ath12k_hw_wcn7850_rx_desc_get_dot11_hdr, .rx_desc_get_crypto_header = ath12k_hw_wcn7850_rx_desc_get_crypto_hdr, - .rx_desc_get_mpdu_frame_ctl = ath12k_hw_wcn7850_rx_desc_get_mpdu_frame_ctl, .dp_rx_h_msdu_done = ath12k_hw_wcn7850_dp_rx_h_msdu_done, .dp_rx_h_l4_cksum_fail = ath12k_hw_wcn7850_dp_rx_h_l4_cksum_fail, .dp_rx_h_ip_cksum_fail = ath12k_hw_wcn7850_dp_rx_h_ip_cksum_fail, diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h index 339812d38338..4adef9240409 100644 --- a/drivers/net/wireless/ath/ath12k/hal.h +++ b/drivers/net/wireless/ath/ath12k/hal.h @@ -1086,7 +1086,6 @@ struct hal_rx_ops { bool (*rx_desc_is_da_mcbc)(struct hal_rx_desc *desc); void (*rx_desc_get_dot11_hdr)(struct hal_rx_desc *desc, struct ieee80211_hdr *hdr); - u16 (*rx_desc_get_mpdu_frame_ctl)(struct hal_rx_desc *desc); void (*rx_desc_get_crypto_header)(struct hal_rx_desc *desc, u8 *crypto_hdr, enum hal_encrypt_type enctype); From 68218fa0862aaa8fcc5f968663efc781eb4c91df Mon Sep 17 00:00:00 2001 From: Jeff Johnson Date: Mon, 7 Apr 2025 11:28:26 -0700 Subject: [PATCH 052/104] wifi: ath12k: Fix misspelling "upto" in dp.c ath12k-check is flagging: drivers/net/wireless/ath/ath12k/dp.c:1656: 'upto' may be misspelled - perhaps 'up to'? Replace "upto" with "up to" and split the comment line so that it doesn't exceed 80 columns. Link: https://patch.msgid.link/20250407-upto-v1-1-23ca65f2ccdf@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c index 80b9f4594dee..59f61341383a 100644 --- a/drivers/net/wireless/ath/ath12k/dp.c +++ b/drivers/net/wireless/ath/ath12k/dp.c @@ -1653,7 +1653,8 @@ static int ath12k_dp_reoq_lut_setup(struct ath12k_base *ab) /* Bits in the register have address [39:8] LUT base address to be * allocated such that LSBs are assumed to be zero. Also, current - * design supports paddr upto 4 GB max hence it fits in 32 bit register only + * design supports paddr up to 4 GB max hence it fits in 32 bit + * register only */ ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab), From 25b2f46bd7de2f0007d742de9d2e72e65db0edf3 Mon Sep 17 00:00:00 2001 From: Jeff Johnson Date: Tue, 8 Apr 2025 09:14:12 -0700 Subject: [PATCH 053/104] wifi: ath12k: ahb: Replace del_timer_sync() with timer_delete_sync() A linux-next build error was reported in [1]. This is the result of a treewide timer cleanup [2]. The ath12k AHB support has not yet landed in the tree where the cleanup occurred, and hence a new call to del_timer_sync() was not addressed by the treewide cleanup. So fix that one instance. Reported-by: Stephen Rothwell Closes: https://msgid.link/20250408105146.459dfcf5@canb.auug.org.au # [1] Link: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=8fa7292fee5c5240402371ea89ab285ec856c916 # [2] Link: https://patch.msgid.link/20250408-timer_delete_sync-v1-1-4dcb22f71083@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c index 1c2171e2bb73..a9d9943a73f4 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -334,7 +334,7 @@ static void ath12k_ahb_stop(struct ath12k_base *ab) ath12k_ahb_ce_irqs_disable(ab); ath12k_ahb_sync_ce_irqs(ab); ath12k_ahb_cancel_workqueue(ab); - del_timer_sync(&ab->rx_replenish_retry); + timer_delete_sync(&ab->rx_replenish_retry); ath12k_ce_cleanup_pipes(ab); } From e88e6e3c9ada84ceed3fa223ce11af94fcaf3ad3 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 2 Apr 2025 23:59:16 +0530 Subject: [PATCH 054/104] wifi: ath12k: add rx_info to capture required field from rx descriptor In ath12k_dp_rx_h_mpdu(), as part of undecap to native wifi mode, the rx descriptor memory is getting overwritten. After this function call, all the rx descriptor related memory accesses give invalid values. To handle this scenario, introduce a new structure ath12k_dp_rx_info which pre-caches all the required fields from the rx descriptor before calling ath12k_dp_rx_h_ppdu(). This rx_info structure will be used in the next patch. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Co-developed-by: Karthikeyan Periyasamy Signed-off-by: Karthikeyan Periyasamy Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250402182917.2715596-2-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 80 ++++++++++++++++++------- drivers/net/wireless/ath/ath12k/dp_rx.h | 18 ++++++ 2 files changed, 78 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index cffff66c5ec4..bab66b17741c 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -2404,6 +2404,30 @@ static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct hal_rx_desc *rx_desc, } } +static void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, + struct hal_rx_desc *rx_desc, + struct ath12k_dp_rx_info *rx_info) +{ + rx_info->ip_csum_fail = ath12k_dp_rx_h_ip_cksum_fail(ab, rx_desc); + rx_info->l4_csum_fail = ath12k_dp_rx_h_l4_cksum_fail(ab, rx_desc); + rx_info->is_mcbc = ath12k_dp_rx_h_is_da_mcbc(ab, rx_desc); + rx_info->decap_type = ath12k_dp_rx_h_decap_type(ab, rx_desc); + rx_info->pkt_type = ath12k_dp_rx_h_pkt_type(ab, rx_desc); + rx_info->sgi = ath12k_dp_rx_h_sgi(ab, rx_desc); + rx_info->rate_mcs = ath12k_dp_rx_h_rate_mcs(ab, rx_desc); + rx_info->bw = ath12k_dp_rx_h_rx_bw(ab, rx_desc); + rx_info->nss = ath12k_dp_rx_h_nss(ab, rx_desc); + rx_info->tid = ath12k_dp_rx_h_tid(ab, rx_desc); + rx_info->peer_id = ath12k_dp_rx_h_peer_id(ab, rx_desc); + rx_info->phy_meta_data = ath12k_dp_rx_h_freq(ab, rx_desc); + + if (ath12k_dp_rxdesc_mac_addr2_valid(ab, rx_desc)) { + ether_addr_copy(rx_info->addr2, + ath12k_dp_rxdesc_get_mpdu_start_addr2(ab, rx_desc)); + rx_info->addr2_present = true; + } +} + void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, struct ieee80211_rx_status *rx_status) { @@ -2566,7 +2590,7 @@ static bool ath12k_dp_rx_check_nwifi_hdr_len_valid(struct ath12k_base *ab, static int ath12k_dp_rx_process_msdu(struct ath12k *ar, struct sk_buff *msdu, struct sk_buff_head *msdu_list, - struct ieee80211_rx_status *rx_status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; struct hal_rx_desc *rx_desc, *lrx_desc; @@ -2626,10 +2650,11 @@ static int ath12k_dp_rx_process_msdu(struct ath12k *ar, goto free_out; } - ath12k_dp_rx_h_ppdu(ar, rx_desc, rx_status); - ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_status); + ath12k_dp_rx_h_fetch_info(ab, rx_desc, rx_info); + ath12k_dp_rx_h_ppdu(ar, rx_desc, rx_info->rx_status); + ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_info->rx_status); - rx_status->flag |= RX_FLAG_SKIP_MONITOR | RX_FLAG_DUP_VALIDATED; + rx_info->rx_status->flag |= RX_FLAG_SKIP_MONITOR | RX_FLAG_DUP_VALIDATED; return 0; @@ -2649,12 +2674,16 @@ static void ath12k_dp_rx_process_received_packets(struct ath12k_base *ab, struct ath12k *ar; struct ath12k_hw_link *hw_links = ag->hw_links; struct ath12k_base *partner_ab; + struct ath12k_dp_rx_info rx_info; u8 hw_link_id, pdev_id; int ret; if (skb_queue_empty(msdu_list)) return; + rx_info.addr2_present = false; + rx_info.rx_status = &rx_status; + rcu_read_lock(); while ((msdu = __skb_dequeue(msdu_list))) { @@ -2675,7 +2704,7 @@ static void ath12k_dp_rx_process_received_packets(struct ath12k_base *ab, continue; } - ret = ath12k_dp_rx_process_msdu(ar, msdu, msdu_list, &rx_status); + ret = ath12k_dp_rx_process_msdu(ar, msdu, msdu_list, &rx_info); if (ret) { ath12k_dbg(ab, ATH12K_DBG_DATA, "Unable to process msdu %d", ret); @@ -2976,6 +3005,7 @@ static int ath12k_dp_rx_h_verify_tkip_mic(struct ath12k *ar, struct ath12k_peer struct ieee80211_rx_status *rxs = IEEE80211_SKB_RXCB(msdu); struct ieee80211_key_conf *key_conf; struct ieee80211_hdr *hdr; + struct ath12k_dp_rx_info rx_info; u8 mic[IEEE80211_CCMP_MIC_LEN]; int head_len, tail_len, ret; size_t data_len; @@ -2986,6 +3016,9 @@ static int ath12k_dp_rx_h_verify_tkip_mic(struct ath12k *ar, struct ath12k_peer if (ath12k_dp_rx_h_enctype(ab, rx_desc) != HAL_ENCRYPT_TYPE_TKIP_MIC) return 0; + rx_info.addr2_present = false; + rx_info.rx_status = rxs; + hdr = (struct ieee80211_hdr *)(msdu->data + hal_rx_desc_sz); hdr_len = ieee80211_hdrlen(hdr->frame_control); head_len = hdr_len + hal_rx_desc_sz + IEEE80211_TKIP_IV_LEN; @@ -3012,6 +3045,8 @@ static int ath12k_dp_rx_h_verify_tkip_mic(struct ath12k *ar, struct ath12k_peer (ATH12K_SKB_RXCB(msdu))->is_first_msdu = true; (ATH12K_SKB_RXCB(msdu))->is_last_msdu = true; + ath12k_dp_rx_h_fetch_info(ab, rx_desc, &rx_info); + rxs->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_MMIC_STRIPPED | RX_FLAG_IV_STRIPPED | RX_FLAG_DECRYPTED; skb_pull(msdu, hal_rx_desc_sz); @@ -3714,7 +3749,7 @@ static void ath12k_dp_rx_null_q_desc_sg_drop(struct ath12k *ar, } static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status, + struct ath12k_dp_rx_info *rx_info, struct sk_buff_head *msdu_list) { struct ath12k_base *ab = ar->ab; @@ -3770,9 +3805,9 @@ static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, desc, msdu))) return -EINVAL; - ath12k_dp_rx_h_ppdu(ar, desc, status); - - ath12k_dp_rx_h_mpdu(ar, msdu, desc, status); + ath12k_dp_rx_h_fetch_info(ab, desc, rx_info); + ath12k_dp_rx_h_ppdu(ar, desc, rx_info->rx_status); + ath12k_dp_rx_h_mpdu(ar, msdu, desc, rx_info->rx_status); rxcb->tid = ath12k_dp_rx_h_tid(ab, desc); @@ -3784,7 +3819,7 @@ static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, } static bool ath12k_dp_rx_h_reo_err(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status, + struct ath12k_dp_rx_info *rx_info, struct sk_buff_head *msdu_list) { struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); @@ -3794,7 +3829,7 @@ static bool ath12k_dp_rx_h_reo_err(struct ath12k *ar, struct sk_buff *msdu, switch (rxcb->err_code) { case HAL_REO_DEST_RING_ERROR_CODE_DESC_ADDR_ZERO: - if (ath12k_dp_rx_h_null_q_desc(ar, msdu, status, msdu_list)) + if (ath12k_dp_rx_h_null_q_desc(ar, msdu, rx_info, msdu_list)) drop = true; break; case HAL_REO_DEST_RING_ERROR_CODE_PN_CHECK_FAILED: @@ -3815,7 +3850,7 @@ static bool ath12k_dp_rx_h_reo_err(struct ath12k *ar, struct sk_buff *msdu, } static bool ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; u16 msdu_len; @@ -3835,18 +3870,18 @@ static bool ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu, if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, desc, msdu))) return true; - ath12k_dp_rx_h_ppdu(ar, desc, status); + ath12k_dp_rx_h_ppdu(ar, desc, rx_info->rx_status); - status->flag |= (RX_FLAG_MMIC_STRIPPED | RX_FLAG_MMIC_ERROR | - RX_FLAG_DECRYPTED); + rx_info->rx_status->flag |= (RX_FLAG_MMIC_STRIPPED | RX_FLAG_MMIC_ERROR | + RX_FLAG_DECRYPTED); ath12k_dp_rx_h_undecap(ar, msdu, desc, - HAL_ENCRYPT_TYPE_TKIP_MIC, status, false); + HAL_ENCRYPT_TYPE_TKIP_MIC, rx_info->rx_status, false); return false; } static bool ath12k_dp_rx_h_rxdma_err(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); @@ -3861,7 +3896,8 @@ static bool ath12k_dp_rx_h_rxdma_err(struct ath12k *ar, struct sk_buff *msdu, case HAL_REO_ENTR_RING_RXDMA_ECODE_TKIP_MIC_ERR: err_bitmap = ath12k_dp_rx_h_mpdu_err(ab, rx_desc); if (err_bitmap & HAL_RX_MPDU_ERR_TKIP_MIC) { - drop = ath12k_dp_rx_h_tkip_mic_err(ar, msdu, status); + ath12k_dp_rx_h_fetch_info(ab, rx_desc, rx_info); + drop = ath12k_dp_rx_h_tkip_mic_err(ar, msdu, rx_info); break; } fallthrough; @@ -3883,14 +3919,18 @@ static void ath12k_dp_rx_wbm_err(struct ath12k *ar, { struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); struct ieee80211_rx_status rxs = {0}; + struct ath12k_dp_rx_info rx_info; bool drop = true; + rx_info.addr2_present = false; + rx_info.rx_status = &rxs; + switch (rxcb->err_rel_src) { case HAL_WBM_REL_SRC_MODULE_REO: - drop = ath12k_dp_rx_h_reo_err(ar, msdu, &rxs, msdu_list); + drop = ath12k_dp_rx_h_reo_err(ar, msdu, &rx_info, msdu_list); break; case HAL_WBM_REL_SRC_MODULE_RXDMA: - drop = ath12k_dp_rx_h_rxdma_err(ar, msdu, &rxs); + drop = ath12k_dp_rx_h_rxdma_err(ar, msdu, &rx_info); break; default: /* msdu will get freed */ diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.h b/drivers/net/wireless/ath/ath12k/dp_rx.h index 88e42365a9d8..0e7cec42a8d1 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.h +++ b/drivers/net/wireless/ath/ath12k/dp_rx.h @@ -65,6 +65,24 @@ struct ath12k_dp_rx_rfc1042_hdr { __be16 snap_type; } __packed; +struct ath12k_dp_rx_info { + struct ieee80211_rx_status *rx_status; + u32 phy_meta_data; + u16 peer_id; + u8 decap_type; + u8 pkt_type; + u8 sgi; + u8 rate_mcs; + u8 bw; + u8 nss; + u8 addr2[ETH_ALEN]; + u8 tid; + bool ip_csum_fail; + bool l4_csum_fail; + bool is_mcbc; + bool addr2_present; +}; + static inline u32 ath12k_he_gi_to_nl80211_he_gi(u8 sgi) { u32 ret = 0; From bd00cc7e8a4c1048d14c9a9e9790c582119785fb Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 2 Apr 2025 23:59:17 +0530 Subject: [PATCH 055/104] wifi: ath12k: replace the usage of rx desc with rx_info In ath12k_dp_rx_h_mpdu(), during the undecap to native wifi mode, the rx descriptor memory is overwritten. After this function call, any subsequent accesses to rx descriptor related memory yield invalid values. Fix this by replacing instances where rx_desc was used with the pre-cached information in rx_info. This ensures that the values populated from the rx descriptor are accurate and prevents invalid memory access. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Co-developed-by: Karthikeyan Periyasamy Signed-off-by: Karthikeyan Periyasamy Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250402182917.2715596-3-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_mon.c | 4 +- drivers/net/wireless/ath/ath12k/dp_rx.c | 107 ++++++++++------------- drivers/net/wireless/ath/ath12k/dp_rx.h | 8 +- 3 files changed, 52 insertions(+), 67 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index 6df04920a0c6..210fda4af5d0 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -2080,6 +2080,7 @@ static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct struct ieee80211_sta *pubsta = NULL; struct ath12k_peer *peer; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); + struct ath12k_dp_rx_info rx_info; bool is_mcbc = rxcb->is_mcbc; bool is_eapol_tkip = rxcb->is_eapol; @@ -2093,7 +2094,8 @@ static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct } spin_lock_bh(&ar->ab->base_lock); - peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu); + rx_info.addr2_present = false; + peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu, &rx_info); if (peer && peer->sta) { pubsta = peer->sta; if (pubsta->valid_links) { diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index bab66b17741c..925f063bc8fd 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -1909,17 +1909,11 @@ static struct sk_buff *ath12k_dp_rx_get_msdu_last_buf(struct sk_buff_head *msdu_ return NULL; } -static void ath12k_dp_rx_h_csum_offload(struct ath12k *ar, struct sk_buff *msdu) +static void ath12k_dp_rx_h_csum_offload(struct sk_buff *msdu, + struct ath12k_dp_rx_info *rx_info) { - struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - struct ath12k_base *ab = ar->ab; - bool ip_csum_fail, l4_csum_fail; - - ip_csum_fail = ath12k_dp_rx_h_ip_cksum_fail(ab, rxcb->rx_desc); - l4_csum_fail = ath12k_dp_rx_h_l4_cksum_fail(ab, rxcb->rx_desc); - - msdu->ip_summed = (ip_csum_fail || l4_csum_fail) ? - CHECKSUM_NONE : CHECKSUM_UNNECESSARY; + msdu->ip_summed = (rx_info->ip_csum_fail || rx_info->l4_csum_fail) ? + CHECKSUM_NONE : CHECKSUM_UNNECESSARY; } static int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, @@ -2221,10 +2215,10 @@ static void ath12k_dp_rx_h_undecap(struct ath12k *ar, struct sk_buff *msdu, } struct ath12k_peer * -ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu) +ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu, + struct ath12k_dp_rx_info *rx_info) { struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - struct hal_rx_desc *rx_desc = rxcb->rx_desc; struct ath12k_peer *peer = NULL; lockdep_assert_held(&ab->base_lock); @@ -2235,39 +2229,35 @@ ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu) if (peer) return peer; - if (!rx_desc || !(ath12k_dp_rxdesc_mac_addr2_valid(ab, rx_desc))) - return NULL; + if (rx_info->addr2_present) + peer = ath12k_peer_find_by_addr(ab, rx_info->addr2); - peer = ath12k_peer_find_by_addr(ab, - ath12k_dp_rxdesc_get_mpdu_start_addr2(ab, - rx_desc)); return peer; } static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, struct sk_buff *msdu, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status) + struct ath12k_dp_rx_info *rx_info) { - bool fill_crypto_hdr; struct ath12k_base *ab = ar->ab; struct ath12k_skb_rxcb *rxcb; enum hal_encrypt_type enctype; bool is_decrypted = false; struct ieee80211_hdr *hdr; struct ath12k_peer *peer; + struct ieee80211_rx_status *rx_status = rx_info->rx_status; u32 err_bitmap; /* PN for multicast packets will be checked in mac80211 */ rxcb = ATH12K_SKB_RXCB(msdu); - fill_crypto_hdr = ath12k_dp_rx_h_is_da_mcbc(ar->ab, rx_desc); - rxcb->is_mcbc = fill_crypto_hdr; + rxcb->is_mcbc = rx_info->is_mcbc; if (rxcb->is_mcbc) - rxcb->peer_id = ath12k_dp_rx_h_peer_id(ar->ab, rx_desc); + rxcb->peer_id = rx_info->peer_id; spin_lock_bh(&ar->ab->base_lock); - peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu); + peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu, rx_info); if (peer) { if (rxcb->is_mcbc) enctype = peer->sec_type_grp; @@ -2297,7 +2287,7 @@ static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, if (is_decrypted) { rx_status->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MMIC_STRIPPED; - if (fill_crypto_hdr) + if (rx_info->is_mcbc) rx_status->flag |= RX_FLAG_MIC_STRIPPED | RX_FLAG_ICV_STRIPPED; else @@ -2305,37 +2295,28 @@ static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, RX_FLAG_PN_VALIDATED; } - ath12k_dp_rx_h_csum_offload(ar, msdu); + ath12k_dp_rx_h_csum_offload(msdu, rx_info); ath12k_dp_rx_h_undecap(ar, msdu, rx_desc, enctype, rx_status, is_decrypted); - if (!is_decrypted || fill_crypto_hdr) + if (!is_decrypted || rx_info->is_mcbc) return; - if (ath12k_dp_rx_h_decap_type(ar->ab, rx_desc) != - DP_RX_DECAP_TYPE_ETHERNET2_DIX) { + if (rx_info->decap_type != DP_RX_DECAP_TYPE_ETHERNET2_DIX) { hdr = (void *)msdu->data; hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED); } } -static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status) +static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct ath12k_dp_rx_info *rx_info) { - struct ath12k_base *ab = ar->ab; struct ieee80211_supported_band *sband; - enum rx_msdu_start_pkt_type pkt_type; - u8 bw; - u8 rate_mcs, nss; - u8 sgi; + struct ieee80211_rx_status *rx_status = rx_info->rx_status; + enum rx_msdu_start_pkt_type pkt_type = rx_info->pkt_type; + u8 bw = rx_info->bw, sgi = rx_info->sgi; + u8 rate_mcs = rx_info->rate_mcs, nss = rx_info->nss; bool is_cck; - pkt_type = ath12k_dp_rx_h_pkt_type(ab, rx_desc); - bw = ath12k_dp_rx_h_rx_bw(ab, rx_desc); - rate_mcs = ath12k_dp_rx_h_rate_mcs(ab, rx_desc); - nss = ath12k_dp_rx_h_nss(ab, rx_desc); - sgi = ath12k_dp_rx_h_sgi(ab, rx_desc); - switch (pkt_type) { case RX_MSDU_START_PKT_TYPE_11A: case RX_MSDU_START_PKT_TYPE_11B: @@ -2404,9 +2385,8 @@ static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct hal_rx_desc *rx_desc, } } -static void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, - struct hal_rx_desc *rx_desc, - struct ath12k_dp_rx_info *rx_info) +void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, struct hal_rx_desc *rx_desc, + struct ath12k_dp_rx_info *rx_info) { rx_info->ip_csum_fail = ath12k_dp_rx_h_ip_cksum_fail(ab, rx_desc); rx_info->l4_csum_fail = ath12k_dp_rx_h_l4_cksum_fail(ab, rx_desc); @@ -2426,12 +2406,14 @@ static void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, ath12k_dp_rxdesc_get_mpdu_start_addr2(ab, rx_desc)); rx_info->addr2_present = true; } + + ath12k_dbg_dump(ab, ATH12K_DBG_DATA, NULL, "rx_desc: ", + rx_desc, sizeof(*rx_desc)); } -void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status) +void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct ath12k_dp_rx_info *rx_info) { - struct ath12k_base *ab = ar->ab; + struct ieee80211_rx_status *rx_status = rx_info->rx_status; u8 channel_num; u32 center_freq, meta_data; struct ieee80211_channel *channel; @@ -2445,7 +2427,7 @@ void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; - meta_data = ath12k_dp_rx_h_freq(ab, rx_desc); + meta_data = rx_info->phy_meta_data; channel_num = meta_data; center_freq = meta_data >> 16; @@ -2466,20 +2448,18 @@ void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, ieee80211_frequency_to_channel(channel->center_freq); } spin_unlock_bh(&ar->data_lock); - ath12k_dbg_dump(ar->ab, ATH12K_DBG_DATA, NULL, "rx_desc: ", - rx_desc, sizeof(*rx_desc)); } if (rx_status->band != NL80211_BAND_6GHZ) rx_status->freq = ieee80211_channel_to_frequency(channel_num, rx_status->band); - ath12k_dp_rx_h_rate(ar, rx_desc, rx_status); + ath12k_dp_rx_h_rate(ar, rx_info); } static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *napi, struct sk_buff *msdu, - struct ieee80211_rx_status *status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; static const struct ieee80211_radiotap_he known = { @@ -2492,6 +2472,7 @@ static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *nap struct ieee80211_sta *pubsta; struct ath12k_peer *peer; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); + struct ieee80211_rx_status *status = rx_info->rx_status; u8 decap = DP_RX_DECAP_TYPE_RAW; bool is_mcbc = rxcb->is_mcbc; bool is_eapol = rxcb->is_eapol; @@ -2504,10 +2485,10 @@ static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *nap } if (!(status->flag & RX_FLAG_ONLY_MONITOR)) - decap = ath12k_dp_rx_h_decap_type(ab, rxcb->rx_desc); + decap = rx_info->decap_type; spin_lock_bh(&ab->base_lock); - peer = ath12k_dp_rx_h_find_peer(ab, msdu); + peer = ath12k_dp_rx_h_find_peer(ab, msdu, rx_info); pubsta = peer ? peer->sta : NULL; @@ -2651,8 +2632,8 @@ static int ath12k_dp_rx_process_msdu(struct ath12k *ar, } ath12k_dp_rx_h_fetch_info(ab, rx_desc, rx_info); - ath12k_dp_rx_h_ppdu(ar, rx_desc, rx_info->rx_status); - ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_info->rx_status); + ath12k_dp_rx_h_ppdu(ar, rx_info); + ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_info); rx_info->rx_status->flag |= RX_FLAG_SKIP_MONITOR | RX_FLAG_DUP_VALIDATED; @@ -2712,7 +2693,7 @@ static void ath12k_dp_rx_process_received_packets(struct ath12k_base *ab, continue; } - ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_status); + ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_info); } rcu_read_unlock(); @@ -3054,7 +3035,7 @@ static int ath12k_dp_rx_h_verify_tkip_mic(struct ath12k *ar, struct ath12k_peer if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, rx_desc, msdu))) return -EINVAL; - ath12k_dp_rx_h_ppdu(ar, rx_desc, rxs); + ath12k_dp_rx_h_ppdu(ar, &rx_info); ath12k_dp_rx_h_undecap(ar, msdu, rx_desc, HAL_ENCRYPT_TYPE_TKIP_MIC, rxs, true); ieee80211_rx(ath12k_ar_to_hw(ar), msdu); @@ -3806,10 +3787,10 @@ static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, return -EINVAL; ath12k_dp_rx_h_fetch_info(ab, desc, rx_info); - ath12k_dp_rx_h_ppdu(ar, desc, rx_info->rx_status); - ath12k_dp_rx_h_mpdu(ar, msdu, desc, rx_info->rx_status); + ath12k_dp_rx_h_ppdu(ar, rx_info); + ath12k_dp_rx_h_mpdu(ar, msdu, desc, rx_info); - rxcb->tid = ath12k_dp_rx_h_tid(ab, desc); + rxcb->tid = rx_info->tid; /* Please note that caller will having the access to msdu and completing * rx with mac80211. Need not worry about cleaning up amsdu_list. @@ -3870,7 +3851,7 @@ static bool ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu, if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, desc, msdu))) return true; - ath12k_dp_rx_h_ppdu(ar, desc, rx_info->rx_status); + ath12k_dp_rx_h_ppdu(ar, rx_info); rx_info->rx_status->flag |= (RX_FLAG_MMIC_STRIPPED | RX_FLAG_MMIC_ERROR | RX_FLAG_DECRYPTED); @@ -3942,7 +3923,7 @@ static void ath12k_dp_rx_wbm_err(struct ath12k *ar, return; } - ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rxs); + ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_info); } int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab, diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.h b/drivers/net/wireless/ath/ath12k/dp_rx.h index 0e7cec42a8d1..eb4d2b60a035 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.h +++ b/drivers/net/wireless/ath/ath12k/dp_rx.h @@ -149,13 +149,13 @@ int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab, struct hal_rx_desc *desc); struct ath12k_peer * -ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu); +ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu, + struct ath12k_dp_rx_info *rx_info); u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab, struct hal_rx_desc *desc); u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab, struct hal_rx_desc *desc); -void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status); +void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct ath12k_dp_rx_info *rx_info); int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab); int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab); @@ -163,4 +163,6 @@ int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len, int (*iter)(struct ath12k_base *ar, u16 tag, u16 len, const void *ptr, void *data), void *data); +void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, struct hal_rx_desc *rx_desc, + struct ath12k_dp_rx_info *rx_info); #endif /* ATH12K_DP_RX_H */ From 5e0097514dfb923d27a49bd8900a649d3a50dc4b Mon Sep 17 00:00:00 2001 From: Balamurugan Mahalingam Date: Wed, 9 Apr 2025 08:51:25 -0700 Subject: [PATCH 056/104] wifi: ath12k: Add support for link specific datapath stats Add support to record the number of frames enqueued, hardware descriptor type, encapsulation/encryption types used, frames dropped and completed. This is useful for understanding the datapath performance and tune the peak throughput. The link specific stats can be viewed through the below debugfs file cat /sys/kernel/debug/ieee80211/phy0/netdev:wlan1/link_stats link[0] Tx Unicast Frames Enqueued = 9 link[0] Tx Broadcast Frames Enqueued = 78689 link[0] Tx Frames Completed = 78698 link[0] Tx Frames Dropped = 0 link[0] Tx Frame descriptor Encap Type = raw:0 native wifi:78698 ethernet:0 link[0] Tx Frame descriptor Encrypt Type = 0:78698 1:0 2:0 3:0 4:0 5:0 6:0 7:0 8:0 9:0 10:0 11:0 link[0] Tx Frame descriptor Type = buffer:78698 extension:0 ------------------------------------------------------ link[1] Tx Unicast Frames Enqueued = 0 link[1] Tx Broadcast Frames Enqueued = 78689 link[1] Tx Frames Completed = 78689 link[1] Tx Frames Dropped = 0 link[1] Tx Frame descriptor Encap Type = raw:0 native wifi:78689 ethernet:0 link[1] Tx Frame descriptor Encrypt Type = 0:78689 1:0 2:0 3:0 4:0 5:0 6:0 7:0 8:0 9:0 10:0 11:0 link[1] Tx Frame descriptor Type = buffer:78689 extension:0 ------------------------------------------------------ Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Balamurugan Mahalingam Link: https://patch.msgid.link/20250409155125.299380-1-quic_bmahalin@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 2 + drivers/net/wireless/ath/ath12k/debugfs.c | 118 +++++++++++++++++++++ drivers/net/wireless/ath/ath12k/debugfs.h | 7 ++ drivers/net/wireless/ath/ath12k/dp.h | 11 ++ drivers/net/wireless/ath/ath12k/dp_tx.c | 51 ++++++++- drivers/net/wireless/ath/ath12k/dp_tx.h | 3 +- drivers/net/wireless/ath/ath12k/hal_desc.h | 3 + drivers/net/wireless/ath/ath12k/mac.c | 10 +- 8 files changed, 200 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index e8d2a0c859f6..ef5cf275b834 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -310,6 +310,8 @@ struct ath12k_link_vif { u8 link_id; struct ath12k_vif *ahvif; struct ath12k_rekey_data rekey_data; + struct ath12k_link_stats link_stats; + spinlock_t link_stats_lock; /* Protects updates to link_stats */ u8 current_cntdown_counter; }; diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index e8a2d0eefa43..bab7be9c5a38 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -833,6 +833,124 @@ static const struct file_operations fops_extd_rx_stats = { .open = simple_open, }; +static int ath12k_open_link_stats(struct inode *inode, struct file *file) +{ + struct ath12k_vif *ahvif = inode->i_private; + size_t len = 0, buf_len = (PAGE_SIZE * 2); + struct ath12k_link_stats linkstat; + struct ath12k_link_vif *arvif; + unsigned long links_map; + struct wiphy *wiphy; + int link_id, i; + char *buf; + + if (!ahvif) + return -EINVAL; + + buf = kzalloc(buf_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + wiphy = ahvif->ah->hw->wiphy; + wiphy_lock(wiphy); + + links_map = ahvif->links_map; + for_each_set_bit(link_id, &links_map, + IEEE80211_MLD_MAX_NUM_LINKS) { + arvif = rcu_dereference_protected(ahvif->link[link_id], + lockdep_is_held(&wiphy->mtx)); + + spin_lock_bh(&arvif->link_stats_lock); + linkstat = arvif->link_stats; + spin_unlock_bh(&arvif->link_stats_lock); + + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Unicast Frames Enqueued = %d\n", + link_id, linkstat.tx_enqueued); + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Broadcast Frames Enqueued = %d\n", + link_id, linkstat.tx_bcast_mcast); + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Frames Completed = %d\n", + link_id, linkstat.tx_completed); + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Frames Dropped = %d\n", + link_id, linkstat.tx_dropped); + + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Frame descriptor Encap Type = ", + link_id); + + len += scnprintf(buf + len, buf_len - len, + " raw:%d", + linkstat.tx_encap_type[0]); + + len += scnprintf(buf + len, buf_len - len, + " native_wifi:%d", + linkstat.tx_encap_type[1]); + + len += scnprintf(buf + len, buf_len - len, + " ethernet:%d", + linkstat.tx_encap_type[2]); + + len += scnprintf(buf + len, buf_len - len, + "\nlink[%d] Tx Frame descriptor Encrypt Type = ", + link_id); + + for (i = 0; i < HAL_ENCRYPT_TYPE_MAX; i++) { + len += scnprintf(buf + len, buf_len - len, + " %d:%d", i, + linkstat.tx_encrypt_type[i]); + } + len += scnprintf(buf + len, buf_len - len, + "\nlink[%d] Tx Frame descriptor Type = buffer:%d extension:%d\n", + link_id, linkstat.tx_desc_type[0], + linkstat.tx_desc_type[1]); + + len += scnprintf(buf + len, buf_len - len, + "------------------------------------------------------\n"); + } + + wiphy_unlock(wiphy); + + file->private_data = buf; + + return 0; +} + +static int ath12k_release_link_stats(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + +static ssize_t ath12k_read_link_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + const char *buf = file->private_data; + size_t len = strlen(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations ath12k_fops_link_stats = { + .open = ath12k_open_link_stats, + .release = ath12k_release_link_stats, + .read = ath12k_read_link_stats, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath12k_debugfs_op_vif_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct ath12k_vif *ahvif = ath12k_vif_to_ahvif(vif); + + debugfs_create_file("link_stats", 0400, vif->debugfs_dir, ahvif, + &ath12k_fops_link_stats); +} + void ath12k_debugfs_soc_create(struct ath12k_base *ab) { bool dput_needed; diff --git a/drivers/net/wireless/ath/ath12k/debugfs.h b/drivers/net/wireless/ath/ath12k/debugfs.h index 4cbcfbb7fa07..74a255a27886 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.h +++ b/drivers/net/wireless/ath/ath12k/debugfs.h @@ -14,6 +14,8 @@ void ath12k_debugfs_register(struct ath12k *ar); void ath12k_debugfs_unregister(struct ath12k *ar); void ath12k_debugfs_fw_stats_process(struct ath12k *ar, struct ath12k_fw_stats *stats); +void ath12k_debugfs_op_vif_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); static inline bool ath12k_debugfs_is_extd_rx_stats_enabled(struct ath12k *ar) { @@ -137,6 +139,11 @@ static inline int ath12k_debugfs_rx_filter(struct ath12k *ar) { return 0; } + +static inline void ath12k_debugfs_op_vif_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ +} #endif /* CONFIG_ATH12K_DEBUGFS */ #endif /* _ATH12K_DEBUGFS_H_ */ diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h index e8dbba0c3bb7..6ce5f853dcdb 100644 --- a/drivers/net/wireless/ath/ath12k/dp.h +++ b/drivers/net/wireless/ath/ath12k/dp.h @@ -7,6 +7,7 @@ #ifndef ATH12K_DP_H #define ATH12K_DP_H +#include "hal_desc.h" #include "hal_rx.h" #include "hw.h" @@ -318,6 +319,16 @@ struct ath12k_reo_q_addr_lut { u32 size; }; +struct ath12k_link_stats { + u32 tx_enqueued; + u32 tx_completed; + u32 tx_bcast_mcast; + u32 tx_dropped; + u32 tx_encap_type[HAL_TCL_ENCAP_TYPE_MAX]; + u32 tx_encrypt_type[HAL_ENCRYPT_TYPE_MAX]; + u32 tx_desc_type[HAL_TCL_DESC_TYPE_MAX]; +}; + struct ath12k_dp { struct ath12k_base *ab; u8 num_bank_profiles; diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index b93669348f35..91da0805706f 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -220,7 +220,8 @@ static int ath12k_dp_tx_align_payload(struct ath12k_base *ab, } int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, - struct sk_buff *skb, bool gsn_valid, int mcbc_gsn) + struct sk_buff *skb, bool gsn_valid, int mcbc_gsn, + bool is_mcast) { struct ath12k_base *ab = ar->ab; struct ath12k_dp *dp = &ab->dp; @@ -466,6 +467,17 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, goto fail_unmap_dma; } + spin_lock_bh(&arvif->link_stats_lock); + arvif->link_stats.tx_encap_type[ti.encap_type]++; + arvif->link_stats.tx_encrypt_type[ti.encrypt_type]++; + arvif->link_stats.tx_desc_type[ti.type]++; + + if (is_mcast) + arvif->link_stats.tx_bcast_mcast++; + else + arvif->link_stats.tx_enqueued++; + spin_unlock_bh(&arvif->link_stats_lock); + ath12k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc, &ti); ath12k_hal_srng_access_end(ab, tcl_ring); @@ -489,6 +501,11 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, fail_remove_tx_buf: ath12k_dp_tx_release_txbuf(dp, tx_desc, pool_id); + + spin_lock_bh(&arvif->link_stats_lock); + arvif->link_stats.tx_dropped++; + spin_unlock_bh(&arvif->link_stats_lock); + if (tcl_ring_retry) goto tcl_ring_sel; @@ -524,7 +541,10 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, struct ath12k_dp_htt_wbm_tx_status *ts) { struct ieee80211_tx_info *info; + struct ath12k_link_vif *arvif; struct ath12k_skb_cb *skb_cb; + struct ieee80211_vif *vif; + struct ath12k_vif *ahvif; struct ath12k *ar; skb_cb = ATH12K_SKB_CB(msdu); @@ -540,6 +560,19 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + vif = skb_cb->vif; + if (vif) { + ahvif = ath12k_vif_to_ahvif(vif); + rcu_read_lock(); + arvif = rcu_dereference(ahvif->link[skb_cb->link_id]); + if (arvif) { + spin_lock_bh(&arvif->link_stats_lock); + arvif->link_stats.tx_completed++; + spin_unlock_bh(&arvif->link_stats_lock); + } + rcu_read_unlock(); + } + memset(&info->status, 0, sizeof(info->status)); if (ts->acked) { @@ -595,7 +628,7 @@ ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab, */ break; default: - ath12k_warn(ab, "Unknown htt tx status %d\n", wbm_status); + ath12k_warn(ab, "Unknown htt wbm tx status %d\n", wbm_status); break; } } @@ -725,7 +758,10 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, struct ath12k_base *ab = ar->ab; struct ath12k_hw *ah = ar->ah; struct ieee80211_tx_info *info; + struct ath12k_link_vif *arvif; struct ath12k_skb_cb *skb_cb; + struct ieee80211_vif *vif; + struct ath12k_vif *ahvif; if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) { /* Must not happen */ @@ -751,6 +787,17 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, goto exit; } + vif = skb_cb->vif; + if (vif) { + ahvif = ath12k_vif_to_ahvif(vif); + arvif = rcu_dereference(ahvif->link[skb_cb->link_id]); + if (arvif) { + spin_lock_bh(&arvif->link_stats_lock); + arvif->link_stats.tx_completed++; + spin_unlock_bh(&arvif->link_stats_lock); + } + } + info = IEEE80211_SKB_CB(msdu); memset(&info->status, 0, sizeof(info->status)); diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.h b/drivers/net/wireless/ath/ath12k/dp_tx.h index a5904097dc34..10acdcf1fa8f 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.h +++ b/drivers/net/wireless/ath/ath12k/dp_tx.h @@ -17,7 +17,8 @@ struct ath12k_dp_htt_wbm_tx_status { int ath12k_dp_tx_htt_h2t_ver_req_msg(struct ath12k_base *ab); int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, - struct sk_buff *skb, bool gsn_valid, int mcbc_gsn); + struct sk_buff *skb, bool gsn_valid, int mcbc_gsn, + bool is_mcast); void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id); int ath12k_dp_tx_htt_h2t_ppdu_stats_req(struct ath12k *ar, u32 mask); diff --git a/drivers/net/wireless/ath/ath12k/hal_desc.h b/drivers/net/wireless/ath/ath12k/hal_desc.h index 63d279fab322..49eededbfa9d 100644 --- a/drivers/net/wireless/ath/ath12k/hal_desc.h +++ b/drivers/net/wireless/ath/ath12k/hal_desc.h @@ -1284,11 +1284,13 @@ enum hal_tcl_encap_type { HAL_TCL_ENCAP_TYPE_NATIVE_WIFI, HAL_TCL_ENCAP_TYPE_ETHERNET, HAL_TCL_ENCAP_TYPE_802_3 = 3, + HAL_TCL_ENCAP_TYPE_MAX }; enum hal_tcl_desc_type { HAL_TCL_DESC_TYPE_BUFFER, HAL_TCL_DESC_TYPE_EXT_DESC, + HAL_TCL_DESC_TYPE_MAX, }; enum hal_wbm_htt_tx_comp_status { @@ -1999,6 +2001,7 @@ struct hal_wbm_release_ring_cc_rx { #define HAL_WBM_RELEASE_INFO3_CONTINUATION BIT(2) #define HAL_WBM_RELEASE_INFO5_LOOPING_COUNT GENMASK(31, 28) +#define HAL_ENCRYPT_TYPE_MAX 12 struct hal_wbm_release_ring { struct ath12k_buffer_addr buf_addr_info; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 2b6bdc3d2b11..eb0c461559b9 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -3397,6 +3397,9 @@ static void ath12k_mac_init_arvif(struct ath12k_vif *ahvif, arvif->ahvif = ahvif; arvif->link_id = _link_id; + /* Protects the datapath stats update on a per link basis */ + spin_lock_init(&arvif->link_stats_lock); + INIT_LIST_HEAD(&arvif->list); INIT_DELAYED_WORK(&arvif->connection_loss_work, ath12k_mac_vif_sta_connection_loss_work); @@ -7467,7 +7470,7 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, if (!vif->valid_links || !is_mcast || test_bit(ATH12K_FLAG_RAW_MODE, &ar->ab->dev_flags)) { - ret = ath12k_dp_tx(ar, arvif, skb, false, 0); + ret = ath12k_dp_tx(ar, arvif, skb, false, 0, is_mcast); if (unlikely(ret)) { ath12k_warn(ar->ab, "failed to transmit frame %d\n", ret); ieee80211_free_txskb(ar->ah->hw, skb); @@ -7529,7 +7532,7 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, skip_peer_find: ret = ath12k_dp_tx(tmp_ar, tmp_arvif, - msdu_copied, true, mcbc_gsn); + msdu_copied, true, mcbc_gsn, is_mcast); if (unlikely(ret)) { if (ret == -ENOMEM) { /* Drops are expected during heavy multicast @@ -10804,6 +10807,9 @@ static const struct ieee80211_ops ath12k_ops = { .suspend = ath12k_wow_op_suspend, .resume = ath12k_wow_op_resume, .set_wakeup = ath12k_wow_op_set_wakeup, +#endif +#ifdef CONFIG_ATH12K_DEBUGFS + .vif_add_debugfs = ath12k_debugfs_op_vif_add, #endif CFG80211_TESTMODE_CMD(ath12k_tm_cmd) #ifdef CONFIG_ATH12K_DEBUGFS From 6177c97fb6f05bf0473a2806e3bece7e77693209 Mon Sep 17 00:00:00 2001 From: Raj Kumar Bhagat Date: Thu, 3 Apr 2025 15:34:29 +0530 Subject: [PATCH 057/104] wifi: ath12k: fix cleanup path after mhi init Currently, the 'err_pci_msi_free' label is misplaced, causing the cleanup sequence to be incorrect. Fix this by moving the 'err_pci_msi_free' label to the correct position after 'err_irq_affinity_cleanup'. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Fixes: a3012f206d07 ("wifi: ath12k: set IRQ affinity to CPU0 in case of one MSI vector") Signed-off-by: Raj Kumar Bhagat Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250403-ath12k-cleanup-v1-1-ad8f67b0e9cf@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/pci.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index 7f1bb150f326..fcb9c40b227b 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1706,12 +1706,12 @@ static int ath12k_pci_probe(struct pci_dev *pdev, err_mhi_unregister: ath12k_mhi_unregister(ab_pci); -err_pci_msi_free: - ath12k_pci_msi_free(ab_pci); - err_irq_affinity_cleanup: ath12k_pci_set_irq_affinity_hint(ab_pci, NULL); +err_pci_msi_free: + ath12k_pci_msi_free(ab_pci); + err_pci_free_region: ath12k_pci_free_region(ab_pci); From d61c0b3c63462d17e63e5a2b4815e0f1ad17f57e Mon Sep 17 00:00:00 2001 From: Aaradhana Sahu Date: Thu, 3 Apr 2025 13:52:06 +0530 Subject: [PATCH 058/104] wifi: ath12k: Resolve multicast packet drop by populating key_cipher in ath12k_install_key() Currently, the key_cipher in the ath12k_vif structure, which represents the group cipher of the MLD AP, is populated when the link address matches the ieee80211_vif address within ath12k_install_key(). However, in MLD AP, the link address and ieee80211_vif address can differ. Due to this key_cipher is not populated and multicast packets don't get the correct cipher information and resulting multicast packets drop. To fix this, compare the link address with the arvif->bssid instead of the ieee80211_vif address. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Fixes: 3dd2c68f206ef ("wifi: ath12k: prepare vif data structure for MLO handling") Signed-off-by: Aaradhana Sahu Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250403082207.3323938-2-aaradhana.sahu@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index eb0c461559b9..1bc8e81ad525 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -4668,7 +4668,6 @@ static int ath12k_install_key(struct ath12k_link_vif *arvif, .macaddr = macaddr, }; struct ath12k_vif *ahvif = arvif->ahvif; - struct ieee80211_vif *vif = ath12k_ahvif_to_vif(ahvif); lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); @@ -4721,7 +4720,7 @@ static int ath12k_install_key(struct ath12k_link_vif *arvif, if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ)) return -ETIMEDOUT; - if (ether_addr_equal(macaddr, vif->addr)) + if (ether_addr_equal(macaddr, arvif->bssid)) ahvif->key_cipher = key->cipher; return ar->install_key_status ? -EINVAL : 0; From 4f4b067dd61695e860f97cae6ed6589a3a7dfba3 Mon Sep 17 00:00:00 2001 From: Aaradhana Sahu Date: Thu, 3 Apr 2025 13:52:07 +0530 Subject: [PATCH 059/104] wifi: ath12k: Introduce check against zero for ahvif->key_cipher in ath12k_mac_op_tx() Currently, ahvif->key_cipher is compared with the enum value (WMI_CIPHER_NONE) inside ath12k_mac_op_tx(). However, ahvif->key_cipher is set using the macro value WLAN_CIPHER_SUITE_XXXX which seems inconsistent. To improve code consistency and readability, introduce check against zero for ahvif->key_cipher instead of comparing it with the enum (WMI_CIPHER_NONE). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Aaradhana Sahu Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250403082207.3323938-3-aaradhana.sahu@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 1bc8e81ad525..af89e1a2d023 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -7502,7 +7502,7 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, skb_cb->link_id = link_id; /* For open mode, skip peer find logic */ - if (unlikely(ahvif->key_cipher == WMI_CIPHER_NONE)) + if (unlikely(!ahvif->key_cipher)) goto skip_peer_find; spin_lock_bh(&tmp_ar->ab->base_lock); From cfe8af4b5626354f20794f1d54c9b9069638ccd3 Mon Sep 17 00:00:00 2001 From: Thomas Wu Date: Wed, 9 Apr 2025 11:08:30 +0530 Subject: [PATCH 060/104] wifi: ath12k: Disable broadcast TWT feature in HE MAC capabilities Currently, the AP does not support the broadcast target wake time (TWT) feature. Therefore, disable the broadcast TWT feature in the HE MAC capabilities element field. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Thomas Wu Signed-off-by: Aaradhana Sahu Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250409053830.4039467-1-aaradhana.sahu@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index af89e1a2d023..bf15104fa542 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -6726,6 +6726,8 @@ static void ath12k_mac_copy_he_cap(struct ath12k_band_cap *band_cap, switch (iftype) { case NL80211_IFTYPE_AP: + he_cap_elem->mac_cap_info[2] &= + ~IEEE80211_HE_MAC_CAP2_BCAST_TWT; he_cap_elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK; he_cap_elem->phy_cap_info[9] |= From 1a0e65750b55d2cf5de4a9bf7d6d55718784bdb7 Mon Sep 17 00:00:00 2001 From: Ramya Gnanasekar Date: Wed, 9 Apr 2025 20:53:41 +0530 Subject: [PATCH 061/104] wifi: ath12k: Fix WMI tag for EHT rate in peer assoc Incorrect WMI tag is used for EHT rate update from host to firmware while encoding peer assoc WMI. Correct the WMI tag used for EHT rate update from WMI_TAG_HE_RATE_SET to the proper tag. This ensures firmware does not mistakenly update HE rate during parsing. Found during code review. Compile tested only. Fixes: 5b70ec6036c1 ("wifi: ath12k: add WMI support for EHT peer") Signed-off-by: Ramya Gnanasekar Link: https://patch.msgid.link/20250409152341.944628-1-ramya.gnanasekar@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index d0f3e27c87e3..ea303dca38b5 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -2372,7 +2372,7 @@ int ath12k_wmi_send_peer_assoc_cmd(struct ath12k *ar, for (i = 0; i < arg->peer_eht_mcs_count; i++) { eht_mcs = ptr; - eht_mcs->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_HE_RATE_SET, + eht_mcs->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_EHT_RATE_SET, sizeof(*eht_mcs)); eht_mcs->rx_mcs_set = cpu_to_le32(arg->peer_eht_rx_mcs_set[i]); From d118047f82408201eb433a7ff7d505e72515d7e0 Mon Sep 17 00:00:00 2001 From: "Rob Herring (Arm)" Date: Tue, 8 Apr 2025 14:02:11 -0500 Subject: [PATCH 062/104] wifi: ath11k: Use of_property_present() to test property presence The use of of_property_read_u32() isn't really correct as "memory-region" contains phandles (though those happen to be u32s. As it is just testing for property presence, use of_property_present() instead. Signed-off-by: Rob Herring (Arm) Link: https://patch.msgid.link/20250408190211.2505737-2-robh@kernel.org Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/pci.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 630df6b1d82d..78444f8ea153 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -929,7 +929,7 @@ static int ath11k_pci_probe(struct pci_dev *pdev, { struct ath11k_base *ab; struct ath11k_pci *ab_pci; - u32 soc_hw_version_major, soc_hw_version_minor, addr; + u32 soc_hw_version_major, soc_hw_version_minor; int ret; u32 sub_version; @@ -955,8 +955,7 @@ static int ath11k_pci_probe(struct pci_dev *pdev, * from DT. If memory is reserved from DT for FW, ath11k driver need not * allocate memory. */ - ret = of_property_read_u32(ab->dev->of_node, "memory-region", &addr); - if (!ret) + if (of_property_present(ab->dev->of_node, "memory-region")) set_bit(ATH11K_FLAG_FIXED_MEM_RGN, &ab->dev_flags); ret = ath11k_pci_claim(ab_pci, pdev); From 4703416d0fb993f7505025667f868f6981a5f7ab Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 10 Apr 2025 19:26:16 +0300 Subject: [PATCH 063/104] wifi: ath12k: Fix a couple NULL vs IS_ERR() bugs The devm_memremap() function returns error pointers on error and the ioremap() function returns NULL on error. The error checking here got those flipped around. Fixes: c01d5cc9b9fe ("wifi: ath12k: Power up userPD") Fixes: 6cee30f0da75 ("wifi: ath12k: add AHB driver support for IPQ5332") Signed-off-by: Dan Carpenter Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/937abc74-9648-4c05-a2c3-8db408b3ed9e@stanley.mountain Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/ahb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c index a9d9943a73f4..636dfe237a79 100644 --- a/drivers/net/wireless/ath/ath12k/ahb.c +++ b/drivers/net/wireless/ath/ath12k/ahb.c @@ -360,10 +360,10 @@ static int ath12k_ahb_power_up(struct ath12k_base *ab) mem_phys = rmem->base; mem_size = rmem->size; mem_region = devm_memremap(dev, mem_phys, mem_size, MEMREMAP_WC); - if (!mem_region) { + if (IS_ERR(mem_region)) { ath12k_err(ab, "unable to map memory region: %pa+%pa\n", &rmem->base, &rmem->size); - return -ENOMEM; + return PTR_ERR(mem_region); } snprintf(fw_name, sizeof(fw_name), "%s/%s/%s%d%s", ATH12K_FW_DIR, @@ -929,7 +929,7 @@ static int ath12k_ahb_resource_init(struct ath12k_base *ab) * for accessing them. */ ab->mem_ce = ioremap(ce_remap->base, ce_remap->size); - if (IS_ERR(ab->mem_ce)) { + if (!ab->mem_ce) { dev_err(&pdev->dev, "ce ioremap error\n"); ret = -ENOMEM; goto err_mem_unmap; From 8c7a5031a6b0d42e640fbd2d5d05f61f74e32dce Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 9 Apr 2025 14:01:25 +0300 Subject: [PATCH 064/104] wifi: ath12k: Fix buffer overflow in debugfs If the user tries to write more than 32 bytes then it results in memory corruption. Fortunately, this is debugfs so it's limited to root users. Fixes: 3f73c24f28b3 ("wifi: ath12k: Add support to enable debugfs_htt_stats") Signed-off-by: Dan Carpenter Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/35daefbd-d493-41d9-b192-96177d521b40@stanley.mountain Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index 1c0d5fa39a8d..aeaf970339d4 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -5377,6 +5377,9 @@ static ssize_t ath12k_write_htt_stats_type(struct file *file, const int size = 32; int num_args; + if (count > size) + return -EINVAL; + char *buf __free(kfree) = kzalloc(size, GFP_KERNEL); if (!buf) return -ENOMEM; From 6d019abc402f58b25a7cab30b2d9af2f3173e4df Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:29 +0530 Subject: [PATCH 065/104] wifi: ath12k: fix SLUB BUG - Object already free in ath12k_reg_free() During rmmod of ath12k module with SLUB debug enabled, following print is seen - ============================================================================= BUG kmalloc-1k (Not tainted): Object already free ----------------------------------------------------------------------------- Allocated in ath12k_reg_build_regd+0x94/0xa20 [ath12k] age=10470 cpu=0 pid=0 __kmalloc_noprof+0xf4/0x368 ath12k_reg_build_regd+0x94/0xa20 [ath12k] ath12k_wmi_op_rx+0x199c/0x2c14 [ath12k] ath12k_htc_rx_completion_handler+0x398/0x554 [ath12k] ath12k_ce_per_engine_service+0x248/0x368 [ath12k] ath12k_pci_ce_workqueue+0x28/0x50 [ath12k] process_one_work+0x14c/0x28c bh_worker+0x22c/0x27c workqueue_softirq_action+0x80/0x90 tasklet_action+0x14/0x3c handle_softirqs+0x108/0x240 __do_softirq+0x14/0x20 Freed in ath12k_reg_free+0x40/0x74 [ath12k] age=136 cpu=2 pid=166 kfree+0x148/0x248 ath12k_reg_free+0x40/0x74 [ath12k] ath12k_core_hw_group_destroy+0x68/0xac [ath12k] ath12k_core_deinit+0xd8/0x124 [ath12k] ath12k_pci_remove+0x6c/0x130 [ath12k] pci_device_remove+0x44/0xe8 device_remove+0x4c/0x80 device_release_driver_internal+0x1d0/0x22c driver_detach+0x50/0x98 bus_remove_driver+0x70/0xf4 driver_unregister+0x30/0x60 pci_unregister_driver+0x24/0x9c ath12k_pci_exit+0x18/0x24 [ath12k] __arm64_sys_delete_module+0x1a0/0x2a8 invoke_syscall+0x48/0x110 el0_svc_common.constprop.0+0x40/0xe0 Slab 0xfffffdffc0033600 objects=10 used=6 fp=0xffff000000cdcc00 flags=0x3fffe0000000240(workingset|head|node=0|zone=0|lastcpupid=0x1ffff) Object 0xffff000000cdcc00 @offset=19456 fp=0xffff000000cde400 [...] This issue arises because in ath12k_core_hw_group_destroy(), each device calls ath12k_core_soc_destroy() for itself and all its partners within the same group. Since ath12k_core_hw_group_destroy() is invoked for each device, this results in a double free condition, eventually causing the SLUB bug. To resolve this, set the freed pointers to NULL. And since there could be a race condition to read these pointers, guard these with the available mutex lock. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: 6f245ea0ec6c ("wifi: ath12k: introduce device group abstraction") Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-1-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/reg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index 893650f76fb2..3260df2ad600 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -817,8 +817,12 @@ void ath12k_reg_free(struct ath12k_base *ab) { int i; + mutex_lock(&ab->core_lock); for (i = 0; i < ab->hw_params->max_radios; i++) { kfree(ab->default_regd[i]); kfree(ab->new_regd[i]); + ab->default_regd[i] = NULL; + ab->new_regd[i] = NULL; } + mutex_unlock(&ab->core_lock); } From 62f3878fa290cb21535459311fe1dc008cd381da Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:30 +0530 Subject: [PATCH 066/104] wifi: ath12k: add reference counting for core attachment to hardware group Currently, driver does not manage reference counting for attaching and detaching cores to/from hardware groups. This can lead to issues when multiple cores are involved. Or with same core, attach/detach is called multiple times back to back. Fix this issue by using reference counting. With that, it is now ensured that the core is properly attached or detached from the hardware group and even back to back calls will not alter the count. Additionally, add some debug logs during the attachment and detachment events for better debugging and tracking. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-2-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 47 +++++++++++++++++++++++--- drivers/net/wireless/ath/ath12k/core.h | 15 +------- 2 files changed, 44 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 0e71935b2720..8a571a615313 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -640,9 +640,49 @@ struct reserved_mem *ath12k_core_get_reserved_mem(struct ath12k_base *ab, return rmem; } +static inline +void ath12k_core_to_group_ref_get(struct ath12k_base *ab) +{ + struct ath12k_hw_group *ag = ab->ag; + + lockdep_assert_held(&ag->mutex); + + if (ab->hw_group_ref) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, "core already attached to group %d\n", + ag->id); + return; + } + + ab->hw_group_ref = true; + ag->num_started++; + + ath12k_dbg(ab, ATH12K_DBG_BOOT, "core attached to group %d, num_started %d\n", + ag->id, ag->num_started); +} + +static inline +void ath12k_core_to_group_ref_put(struct ath12k_base *ab) +{ + struct ath12k_hw_group *ag = ab->ag; + + lockdep_assert_held(&ag->mutex); + + if (!ab->hw_group_ref) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, "core already de-attached from group %d\n", + ag->id); + return; + } + + ab->hw_group_ref = false; + ag->num_started--; + + ath12k_dbg(ab, ATH12K_DBG_BOOT, "core de-attached from group %d, num_started %d\n", + ag->id, ag->num_started); +} + static void ath12k_core_stop(struct ath12k_base *ab) { - ath12k_core_stopped(ab); + ath12k_core_to_group_ref_put(ab); if (!test_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags)) ath12k_qmi_firmware_stop(ab); @@ -879,9 +919,8 @@ static int ath12k_core_start(struct ath12k_base *ab) ath12k_acpi_set_dsm_func(ab); - if (!test_bit(ATH12K_FLAG_RECOVERY, &ab->dev_flags)) - /* Indicate the core start in the appropriate group */ - ath12k_core_started(ab); + /* Indicate the core start in the appropriate group */ + ath12k_core_to_group_ref_get(ab); return 0; diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index ef5cf275b834..44e02ebb1071 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -1123,6 +1123,7 @@ struct ath12k_base { struct ath12k_wsi_info wsi_info; enum ath12k_firmware_mode fw_mode; struct ath12k_ftm_event_obj ftm_event_obj; + bool hw_group_ref; /* must be last */ u8 drv_priv[] __aligned(sizeof(void *)); @@ -1377,20 +1378,6 @@ static inline struct ath12k_hw_group *ath12k_ab_to_ag(struct ath12k_base *ab) return ab->ag; } -static inline void ath12k_core_started(struct ath12k_base *ab) -{ - lockdep_assert_held(&ab->ag->mutex); - - ab->ag->num_started++; -} - -static inline void ath12k_core_stopped(struct ath12k_base *ab) -{ - lockdep_assert_held(&ab->ag->mutex); - - ab->ag->num_started--; -} - static inline struct ath12k_base *ath12k_ag_to_ab(struct ath12k_hw_group *ag, u8 device_id) { From dce7aec6b1f74b0a46b901ab8de1f7bd0515f733 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:31 +0530 Subject: [PATCH 067/104] wifi: ath12k: fix failed to set mhi state error during reboot with hardware grouping With hardware grouping, during reboot, whenever a device is removed, it powers down itself and all its partner devices in the same group. Now this is done by all devices and hence there is multiple power down for devices and hence the following error messages can be seen: ath12k_pci 0002:01:00.0: failed to set mhi state POWER_OFF(3) in current mhi state (0x0) ath12k_pci 0002:01:00.0: failed to set mhi state: POWER_OFF(3) ath12k_pci 0002:01:00.0: failed to set mhi state DEINIT(1) in current mhi state (0x0) ath12k_pci 0002:01:00.0: failed to set mhi state: DEINIT(1) ath12k_pci 0003:01:00.0: failed to set mhi state POWER_OFF(3) in current mhi state (0x0) ath12k_pci 0003:01:00.0: failed to set mhi state: POWER_OFF(3) ath12k_pci 0003:01:00.0: failed to set mhi state DEINIT(1) in current mhi state (0x0) ath12k_pci 0003:01:00.0: failed to set mhi state: DEINIT(1) ath12k_pci 0004:01:00.0: failed to set mhi state POWER_OFF(3) in current mhi state (0x0) ath12k_pci 0004:01:00.0: failed to set mhi state: POWER_OFF(3) To prevent this, check if the ATH12K_PCI_FLAG_INIT_DONE flag is already set before powering down. If it is set, it indicates that another partner device has already performed the power down, and this device can skip this step. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-3-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/pci.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index fcb9c40b227b..35576f3734d0 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1487,6 +1487,9 @@ void ath12k_pci_power_down(struct ath12k_base *ab, bool is_suspend) { struct ath12k_pci *ab_pci = ath12k_pci_priv(ab); + if (!test_bit(ATH12K_PCI_FLAG_INIT_DONE, &ab_pci->flags)) + return; + /* restore aspm in case firmware bootup fails */ ath12k_pci_aspm_restore(ab_pci); From 6af396942bf132a1a49523e8fe2f816dc1ebd913 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:32 +0530 Subject: [PATCH 068/104] wifi: ath12k: fix ATH12K_FLAG_REGISTERED flag handling Commit a5686ae820fa ("wifi: ath12k: move ATH12K_FLAG_REGISTERED handling to ath12k_mac_register()") relocated the setting of the ATH12K_FLAG_REGISTERED flag to the ath12k_mac_register() function. However, this function only accesses the first device (ab) via ag->ab[0], resulting in the flag being set only for the first device in the group. Similarly, ath12k_mac_unregister() only unsets the flag for the first device. The flag should actually be set for all devices in the group to avoid issues during recovery. Hence, move setting and clearing of this flag in the function ath12k_core_hw_group_start() and ath12k_core_hw_group_stop() respectively. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: a5686ae820fa ("wifi: ath12k: move ATH12K_FLAG_REGISTERED handling to ath12k_mac_register()") Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-4-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 5 +++++ drivers/net/wireless/ath/ath12k/mac.c | 6 ------ 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 8a571a615313..cb2a99d110d5 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -958,6 +958,9 @@ static void ath12k_core_hw_group_stop(struct ath12k_hw_group *ag) ab = ag->ab[i]; if (!ab) continue; + + clear_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags); + ath12k_core_device_cleanup(ab); } @@ -1093,6 +1096,8 @@ static int ath12k_core_hw_group_start(struct ath12k_hw_group *ag) mutex_lock(&ab->core_lock); + set_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags); + ret = ath12k_core_pdev_create(ab); if (ret) { ath12k_err(ab, "failed to create pdev core %d\n", ret); diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index bf15104fa542..7af12733a1ff 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -11780,7 +11780,6 @@ void ath12k_mac_mlo_teardown(struct ath12k_hw_group *ag) int ath12k_mac_register(struct ath12k_hw_group *ag) { - struct ath12k_base *ab = ag->ab[0]; struct ath12k_hw *ah; int i; int ret; @@ -11793,8 +11792,6 @@ int ath12k_mac_register(struct ath12k_hw_group *ag) goto err; } - set_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags); - return 0; err: @@ -11811,12 +11808,9 @@ int ath12k_mac_register(struct ath12k_hw_group *ag) void ath12k_mac_unregister(struct ath12k_hw_group *ag) { - struct ath12k_base *ab = ag->ab[0]; struct ath12k_hw *ah; int i; - clear_bit(ATH12K_FLAG_REGISTERED, &ab->dev_flags); - for (i = ag->num_hw - 1; i >= 0; i--) { ah = ath12k_ag_to_ah(ag, i); if (!ah) From 1d55625bc2a1c2a8c68153b020e1e097ea27f1b0 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:33 +0530 Subject: [PATCH 069/104] wifi: ath12k: fix firmware assert during reboot with hardware grouping At present, during PCI shutdown, the power down is only executed for a single device. However, when operating in a group, all devices need to be powered down simultaneously. Failure to do so will result in a firmware assertion. Hence, introduce a new ath12k_pci_hw_group_power_down() and call it during power down. This will ensure that all partner devices are properly powered down. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-5-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/pci.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index 35576f3734d0..a8a17d6aa75e 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1757,13 +1757,34 @@ static void ath12k_pci_remove(struct pci_dev *pdev) ath12k_core_free(ab); } +static void ath12k_pci_hw_group_power_down(struct ath12k_hw_group *ag) +{ + struct ath12k_base *ab; + int i; + + if (!ag) + return; + + mutex_lock(&ag->mutex); + + for (i = 0; i < ag->num_devices; i++) { + ab = ag->ab[i]; + if (!ab) + continue; + + ath12k_pci_power_down(ab, false); + } + + mutex_unlock(&ag->mutex); +} + static void ath12k_pci_shutdown(struct pci_dev *pdev) { struct ath12k_base *ab = pci_get_drvdata(pdev); struct ath12k_pci *ab_pci = ath12k_pci_priv(ab); ath12k_pci_set_irq_affinity_hint(ab_pci, NULL); - ath12k_pci_power_down(ab, false); + ath12k_pci_hw_group_power_down(ab->ag); } static __maybe_unused int ath12k_pci_pm_suspend(struct device *dev) From 718ead261feba32b00f8ef1d3dff7527106b9458 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:34 +0530 Subject: [PATCH 070/104] wifi: ath12k: fix ath12k_core_pre_reconfigure_recovery() with grouping Currently, ath12k_core_pre_reconfigure_recovery() reconfigures all radios within the same group. During grouping and driver going for a recovery, this function is called as many times as there are devices in the group. Consequently, it performs the same reconfiguration multiple times, which is unnecessary. To prevent this, add a check to continue if the action has already been taken. To simplify the management of various flags, the reason for hardware queues being stopped is used as a check instead of introducing a new flag. While at it, also add missing wiphy locks. Wiphy lock is required since ath12k_mac_drain_tx() which is called by ath12k_core_pre_reconfigure_recovery() needs this lock to be held by the caller. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-6-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index cb2a99d110d5..0fb3e57cd254 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1411,6 +1411,18 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab) ah->state == ATH12K_HW_STATE_TM) continue; + wiphy_lock(ah->hw->wiphy); + + /* If queue 0 is stopped, it is safe to assume that all + * other queues are stopped by driver via + * ieee80211_stop_queues() below. This means, there is + * no need to stop it again and hence continue + */ + if (ieee80211_queue_stopped(ah->hw, 0)) { + wiphy_unlock(ah->hw->wiphy); + continue; + } + ieee80211_stop_queues(ah->hw); for (j = 0; j < ah->num_radio; j++) { @@ -1439,6 +1451,8 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab) ar->monitor_vdev_created = false; ar->monitor_started = false; } + + wiphy_unlock(ah->hw->wiphy); } wake_up(&ab->wmi_ab.tx_credits_wq); From 3e1312f01b508d3f77147bec5286caef074e5d9e Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:35 +0530 Subject: [PATCH 071/104] wifi: ath12k: handle ath12k_core_restart() with hardware grouping Currently, when ath12k_core_restart() is called and the ab->is_reset flag is set, it invokes ieee80211_restart_hw() for all hardware in the same group. However, other hardware might still be in the recovery process, making this call inappropriate with grouping into picture. To address this, add a condition to check if the group is ready. If the group is not ready, do not call ieee80211_restart_hw(). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-7-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 0fb3e57cd254..a1c9b8771e9c 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1560,12 +1560,22 @@ static void ath12k_core_restart(struct work_struct *work) ath12k_dbg(ab, ATH12K_DBG_BOOT, "reset success\n"); } + mutex_lock(&ag->mutex); + + if (!ath12k_core_hw_group_start_ready(ag)) { + mutex_unlock(&ag->mutex); + goto exit_restart; + } + for (i = 0; i < ag->num_hw; i++) { - ah = ath12k_ag_to_ah(ab->ag, i); + ah = ath12k_ag_to_ah(ag, i); ieee80211_restart_hw(ah->hw); } + + mutex_unlock(&ag->mutex); } +exit_restart: complete(&ab->restart_completed); } From 929069c1bdb70c6332c15f3978d4c8830bc43efd Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:36 +0530 Subject: [PATCH 072/104] wifi: ath12k: handle ath12k_core_reset() with hardware grouping Currently, in ath12k_core_reset(), the device is powered up immediately after a power down. However, with hardware grouping, when one device asserts, all partner devices also asserts. If there is a delay in processing these asserts, by the time this device powers up, other devices might still be asserting, leading to an overall recovery failure. To prevent this issue, ensure all asserts for a group are processed before initiating the power-up sequence. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-8-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 29 +++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index a1c9b8771e9c..55db189d8234 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1582,7 +1582,8 @@ static void ath12k_core_restart(struct work_struct *work) static void ath12k_core_reset(struct work_struct *work) { struct ath12k_base *ab = container_of(work, struct ath12k_base, reset_work); - int reset_count, fail_cont_count; + struct ath12k_hw_group *ag = ab->ag; + int reset_count, fail_cont_count, i; long time_left; if (!(test_bit(ATH12K_FLAG_QMI_FW_READY_COMPLETE, &ab->dev_flags))) { @@ -1641,9 +1642,31 @@ static void ath12k_core_reset(struct work_struct *work) ath12k_hif_ce_irq_disable(ab); ath12k_hif_power_down(ab, false); - ath12k_hif_power_up(ab); - ath12k_dbg(ab, ATH12K_DBG_BOOT, "reset started\n"); + /* prepare for power up */ + ab->qmi.num_radios = U8_MAX; + + mutex_lock(&ag->mutex); + ath12k_core_to_group_ref_put(ab); + + if (ag->num_started > 0) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "waiting for %d partner device(s) to reset\n", + ag->num_started); + mutex_unlock(&ag->mutex); + return; + } + + for (i = 0; i < ag->num_devices; i++) { + ab = ag->ab[i]; + if (!ab) + continue; + + ath12k_hif_power_up(ab); + ath12k_dbg(ab, ATH12K_DBG_BOOT, "reset started\n"); + } + + mutex_unlock(&ag->mutex); } int ath12k_core_pre_init(struct ath12k_base *ab) From f5755c23ed8a4603194f6425828a2760f814e117 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 11:36:37 +0530 Subject: [PATCH 073/104] wifi: ath12k: reset MLO global memory during recovery When operating with multiple devices grouped together, the firmware stores data related to the state machine of each partner device in the MLO global memory region. If the firmware crashes, it updates the state to 'crashed'. During recovery, this memory is shared with the firmware again, and upon detecting the 'crashed' state, it reasserts. This leads to a loop of firmware asserts and it never recovers. Hence to fix this issue, once all devices in the group have been asserted and powered down, reset the MLO global memory region. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408-fix_reboot_issues_with_hw_grouping-v4-9-95e7bf048595@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 3 +++ drivers/net/wireless/ath/ath12k/qmi.c | 22 ++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/qmi.h | 2 ++ 3 files changed, 27 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 55db189d8234..9b23329f1bf2 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1657,6 +1657,9 @@ static void ath12k_core_reset(struct work_struct *work) return; } + /* Prepare MLO global memory region for power up */ + ath12k_qmi_reset_mlo_mem(ag); + for (i = 0; i < ag->num_devices; i++) { ab = ag->ab[i]; if (!ab) diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index 7df6c6eebed6..c867130f1ddc 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2439,6 +2439,28 @@ int ath12k_qmi_respond_fw_mem_request(struct ath12k_base *ab) return ret; } +void ath12k_qmi_reset_mlo_mem(struct ath12k_hw_group *ag) +{ + struct target_mem_chunk *mlo_chunk; + int i; + + lockdep_assert_held(&ag->mutex); + + if (!ag->mlo_mem.init_done || ag->num_started) + return; + + for (i = 0; i < ARRAY_SIZE(ag->mlo_mem.chunk); i++) { + mlo_chunk = &ag->mlo_mem.chunk[i]; + + if (mlo_chunk->v.addr) + /* TODO: Mode 0 recovery is the default mode hence resetting the + * whole memory region for now. Once Mode 1 support is added, this + * needs to be handled properly + */ + memset(mlo_chunk->v.addr, 0, mlo_chunk->size); + } +} + static void ath12k_qmi_free_mlo_mem_chunk(struct ath12k_base *ab, struct target_mem_chunk *chunk, int idx) diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h index 7c44ced22c6f..96e6c3daecfe 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.h +++ b/drivers/net/wireless/ath/ath12k/qmi.h @@ -42,6 +42,7 @@ #define ATH12K_BOARD_ID_DEFAULT 0xFF struct ath12k_base; +struct ath12k_hw_group; enum ath12k_qmi_file_type { ATH12K_QMI_FILE_TYPE_BDF_GOLDEN = 0, @@ -622,5 +623,6 @@ void ath12k_qmi_deinit_service(struct ath12k_base *ab); int ath12k_qmi_init_service(struct ath12k_base *ab); void ath12k_qmi_free_resource(struct ath12k_base *ab); void ath12k_qmi_trigger_host_cap(struct ath12k_base *ab); +void ath12k_qmi_reset_mlo_mem(struct ath12k_hw_group *ag); #endif From dad6de9070a8dfc8268ed7c1684b81d1e2eeaa97 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:34 +0800 Subject: [PATCH 074/104] wifi: ath12k: introduce ath12k_fw_feature_supported() There are several places checking if a specific bit set in ab->fw.fw_features, and in an upcoming patch additional check needs to be added at all places. Introduce a new helper ath12k_fw_feature_supported() to avoid code duplication. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-1-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 2 +- drivers/net/wireless/ath/ath12k/fw.c | 7 ++++++- drivers/net/wireless/ath/ath12k/fw.h | 3 ++- drivers/net/wireless/ath/ath12k/pci.c | 4 ++-- 4 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 9b23329f1bf2..ae125b57a571 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -2079,7 +2079,7 @@ void ath12k_core_hw_group_set_mlo_capable(struct ath12k_hw_group *ag) /* even if 1 device's firmware feature indicates MLO * unsupported, make MLO unsupported for the whole group */ - if (!test_bit(ATH12K_FW_FEATURE_MLO, ab->fw.fw_features)) { + if (!ath12k_fw_feature_supported(ab, ATH12K_FW_FEATURE_MLO)) { ag->mlo_capable = false; return; } diff --git a/drivers/net/wireless/ath/ath12k/fw.c b/drivers/net/wireless/ath/ath12k/fw.c index 5be4b2d4a19d..af8b87ca4ccb 100644 --- a/drivers/net/wireless/ath/ath12k/fw.c +++ b/drivers/net/wireless/ath/ath12k/fw.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* - * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "core.h" @@ -169,3 +169,8 @@ void ath12k_fw_unmap(struct ath12k_base *ab) release_firmware(ab->fw.fw); memset(&ab->fw, 0, sizeof(ab->fw)); } + +bool ath12k_fw_feature_supported(struct ath12k_base *ab, enum ath12k_fw_features feat) +{ + return test_bit(feat, ab->fw.fw_features); +} diff --git a/drivers/net/wireless/ath/ath12k/fw.h b/drivers/net/wireless/ath/ath12k/fw.h index 273c003eff3b..7afaefed5086 100644 --- a/drivers/net/wireless/ath/ath12k/fw.h +++ b/drivers/net/wireless/ath/ath12k/fw.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* - * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_FW_H @@ -32,5 +32,6 @@ enum ath12k_fw_features { void ath12k_fw_map(struct ath12k_base *ab); void ath12k_fw_unmap(struct ath12k_base *ab); +bool ath12k_fw_feature_supported(struct ath12k_base *ab, enum ath12k_fw_features feat); #endif /* ATH12K_FW_H */ diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index a8a17d6aa75e..528a4a57d136 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -718,7 +718,7 @@ static void ath12k_pci_init_qmi_ce_config(struct ath12k_base *ab) cfg->svc_to_ce_map_len = ab->hw_params->svc_to_ce_map_len; ab->qmi.service_ins_id = ab->hw_params->qmi_service_ins_id; - if (test_bit(ATH12K_FW_FEATURE_MULTI_QRTR_ID, ab->fw.fw_features)) { + if (ath12k_fw_feature_supported(ab, ATH12K_FW_FEATURE_MULTI_QRTR_ID)) { ab_pci->qmi_instance = u32_encode_bits(pci_domain_nr(bus), DOMAIN_NUMBER_MASK) | u32_encode_bits(bus->number, BUS_NUMBER_MASK); @@ -1468,7 +1468,7 @@ int ath12k_pci_power_up(struct ath12k_base *ab) ath12k_pci_msi_enable(ab_pci); - if (test_bit(ATH12K_FW_FEATURE_MULTI_QRTR_ID, ab->fw.fw_features)) + if (ath12k_fw_feature_supported(ab, ATH12K_FW_FEATURE_MULTI_QRTR_ID)) ath12k_pci_update_qrtr_node_id(ab); ret = ath12k_mhi_start(ab_pci); From 6b85b83e46516ce38ce82dd2f1c4e40d183aa311 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:35 +0800 Subject: [PATCH 075/104] wifi: ath12k: use fw_features only when it is valid Currently fw_features is used to check if a specific feature is supported or not: if the feature bit is set the feature is believed to be supported, otherwise not supported. Since fw_features is populated only when using firmware API-2, and by default it is zero, in case of API-1 such as WCN7850 firmware it is possible that a feature is not enabled by host while actually firmware supports it. To avoid this, add a new flag indicating whether fw_features has been ever populated or not, and only when that flag is true we choose to believe fw_features. This benefits firmware MLO capability validation in an upcoming patch. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-2-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 1 + drivers/net/wireless/ath/ath12k/fw.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 44e02ebb1071..ad39537786c3 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -1087,6 +1087,7 @@ struct ath12k_base { size_t m3_len; DECLARE_BITMAP(fw_features, ATH12K_FW_FEATURE_COUNT); + bool fw_features_valid; } fw; const struct hal_rx_ops *hal_rx_ops; diff --git a/drivers/net/wireless/ath/ath12k/fw.c b/drivers/net/wireless/ath/ath12k/fw.c index af8b87ca4ccb..5ac497f80cad 100644 --- a/drivers/net/wireless/ath/ath12k/fw.c +++ b/drivers/net/wireless/ath/ath12k/fw.c @@ -99,6 +99,8 @@ static int ath12k_fw_request_firmware_api_n(struct ath12k_base *ab, __set_bit(i, ab->fw.fw_features); } + ab->fw.fw_features_valid = true; + ath12k_dbg_dump(ab, ATH12K_DBG_BOOT, "features", "", ab->fw.fw_features, sizeof(ab->fw.fw_features)); @@ -172,5 +174,5 @@ void ath12k_fw_unmap(struct ath12k_base *ab) bool ath12k_fw_feature_supported(struct ath12k_base *ab, enum ath12k_fw_features feat) { - return test_bit(feat, ab->fw.fw_features); + return ab->fw.fw_features_valid && test_bit(feat, ab->fw.fw_features); } From 32f7b19668bd2894f1a236580c2132fc4b9f4449 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:36 +0800 Subject: [PATCH 076/104] wifi: ath12k: support MLO as well if single_chip_mlo_support flag is set Currently firmware MLO capability is validated via firmware IE, however WCN7850 firmware does not support this method but instead advertises MLO by single_chip_mlo_support bit in QMI phy capability message. Change to consider single_chip_mlo_support bit as well for MLO capability validation. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-3-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 21 ++++++++++----------- drivers/net/wireless/ath/ath12k/core.h | 3 +++ drivers/net/wireless/ath/ath12k/qmi.c | 6 +++++- 3 files changed, 18 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index ae125b57a571..b501d722df31 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -2053,20 +2053,18 @@ void ath12k_core_hw_group_set_mlo_capable(struct ath12k_hw_group *ag) lockdep_assert_held(&ag->mutex); - /* If more than one devices are grouped, then inter MLO - * functionality can work still independent of whether internally - * each device supports single_chip_mlo or not. - * Only when there is one device, then disable for WCN chipsets - * till the required driver implementation is in place. - */ if (ag->num_devices == 1) { ab = ag->ab[0]; - - /* WCN chipsets does not advertise in firmware features - * hence skip checking - */ - if (ab->hw_params->def_num_link) + /* QCN9274 firmware uses firmware IE for MLO advertisement */ + if (ab->fw.fw_features_valid) { + ag->mlo_capable = + ath12k_fw_feature_supported(ab, ATH12K_FW_FEATURE_MLO); return; + } + + /* while WCN7850 firmware uses QMI single_chip_mlo_support bit */ + ag->mlo_capable = ab->single_chip_mlo_support; + return; } ag->mlo_capable = true; @@ -2186,6 +2184,7 @@ struct ath12k_base *ath12k_core_alloc(struct device *dev, size_t priv_size, ab->dev = dev; ab->hif.bus = bus; ab->qmi.num_radios = U8_MAX; + ab->single_chip_mlo_support = false; /* Device index used to identify the devices in a group. * diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index ad39537786c3..06dddf66a83b 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -1126,6 +1126,9 @@ struct ath12k_base { struct ath12k_ftm_event_obj ftm_event_obj; bool hw_group_ref; + /* Denote whether MLO is possible within the device */ + bool single_chip_mlo_support; + /* must be last */ u8 drv_priv[] __aligned(sizeof(void *)); }; diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index c867130f1ddc..99e1fb2910d0 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2268,6 +2268,9 @@ static void ath12k_qmi_phy_cap_send(struct ath12k_base *ab) goto out; } + if (resp.single_chip_mlo_support_valid && resp.single_chip_mlo_support) + ab->single_chip_mlo_support = true; + if (!resp.num_phy_valid) { ret = -ENODATA; goto out; @@ -2276,7 +2279,8 @@ static void ath12k_qmi_phy_cap_send(struct ath12k_base *ab) ab->qmi.num_radios = resp.num_phy; ath12k_dbg(ab, ATH12K_DBG_QMI, - "phy capability resp valid %d num_phy %d valid %d board_id %d\n", + "phy capability resp valid %d single_chip_mlo_support %d valid %d num_phy %d valid %d board_id %d\n", + resp.single_chip_mlo_support_valid, resp.single_chip_mlo_support, resp.num_phy_valid, resp.num_phy, resp.board_id_valid, resp.board_id); From 0cd46d1f36ced0e61bd6d8cdce7c9eec9563d294 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:37 +0800 Subject: [PATCH 077/104] wifi: ath12k: identify assoc link vif in station mode In MLO scenario, for station mode interface, WCN7850 firmware requests the assoc link vdev to get started before any other link vdevs starts. Firmware internally checks assoc_link field of wmi_vdev_start_mlo_params.flags when the first vdev starts. And if the check fails firmware crashes. Current connection flow guarantees the assoc link vdev gets started first (at assoc stage only one link vdev is created/started, i.e. the assoc link vdev), however the assoc_link flag is never set, resulting in WCN7850 firmware crash. Note ath12k_link_sta structure already has is_assoc_link flag, and it is properly set for assoc link. However we can not use it because it won't be available before peer gets created, which is too late for vdev starts. So add a new flag 'is_sta_assoc_link' in ath12k_link_vif structure and set it when deflink vdev is created. This is valid because we always use deflink as the assoc link. This flag is passed to firmware vdev starts to avoid firmware crash. Also verify the link vif/sta pair has the same settings when creating link sta. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-4-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 3 +++ drivers/net/wireless/ath/ath12k/mac.c | 16 ++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 06dddf66a83b..1bc2a391171d 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -314,6 +314,9 @@ struct ath12k_link_vif { spinlock_t link_stats_lock; /* Protects updates to link_stats */ u8 current_cntdown_counter; + + /* only used in station mode */ + bool is_sta_assoc_link; }; struct ath12k_vif { diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 7af12733a1ff..37e76fff57a5 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -3477,6 +3477,8 @@ static struct ath12k_link_vif *ath12k_mac_assign_link_vif(struct ath12k_hw *ah, */ if (!ahvif->links_map && link_id != ATH12K_DEFAULT_SCAN_LINK) { arvif = &ahvif->deflink; + if (vif->type == NL80211_IFTYPE_STATION) + arvif->is_sta_assoc_link = true; } else { arvif = (struct ath12k_link_vif *) kzalloc(sizeof(struct ath12k_link_vif), GFP_KERNEL); @@ -5867,6 +5869,17 @@ static int ath12k_mac_op_sta_state(struct ieee80211_hw *hw, * link sta */ if (sta->mlo) { + /* For station mode, arvif->is_sta_assoc_link has been set when + * vdev starts. Make sure the arvif/arsta pair have same setting + */ + if (vif->type == NL80211_IFTYPE_STATION && + !arsta->arvif->is_sta_assoc_link) { + ath12k_hw_warn(ah, "failed to verify assoc link setting with link id %u\n", + link_id); + ret = -EINVAL; + goto exit; + } + arsta->is_assoc_link = true; ahsta->assoc_link_id = link_id; } @@ -9123,6 +9136,9 @@ ath12k_mac_mlo_get_vdev_args(struct ath12k_link_vif *arvif, * link vdevs which are advertised as partners below */ ml_arg->link_add = true; + + ml_arg->assoc_link = arvif->is_sta_assoc_link; + partner_info = ml_arg->partner_info; links = ahvif->links_map; From ead6d41116b81098061c878d9bfc0b1a6c629090 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:38 +0800 Subject: [PATCH 078/104] wifi: ath12k: make assoc link associate first In MLO scenario WCN7850 firmware requests the assoc link to associate before any other links. However currently in ath12k_mac_op_vif_cfg_changed() we are doing association in an ascending order of link id. If the assoc link does not get assigned the smallest id, a non-assoc link gets associated first and firmware crashes. Change to do association for the assoc link first. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-5-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 37e76fff57a5..48d60f7b891a 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -3614,6 +3614,8 @@ static void ath12k_mac_op_vif_cfg_changed(struct ieee80211_hw *hw, unsigned long links = ahvif->links_map; struct ieee80211_bss_conf *info; struct ath12k_link_vif *arvif; + struct ieee80211_sta *sta; + struct ath12k_sta *ahsta; struct ath12k *ar; u8 link_id; @@ -3626,6 +3628,35 @@ static void ath12k_mac_op_vif_cfg_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ASSOC) { + if (vif->cfg.assoc) { + /* only in station mode we can get here, so it's safe + * to use ap_addr + */ + rcu_read_lock(); + sta = ieee80211_find_sta(vif, vif->cfg.ap_addr); + if (!sta) { + rcu_read_unlock(); + WARN_ONCE(1, "failed to find sta with addr %pM\n", + vif->cfg.ap_addr); + return; + } + + ahsta = ath12k_sta_to_ahsta(sta); + arvif = wiphy_dereference(hw->wiphy, + ahvif->link[ahsta->assoc_link_id]); + rcu_read_unlock(); + + ar = arvif->ar; + /* there is no reason for which an assoc link's + * bss info does not exist + */ + info = ath12k_mac_get_link_bss_conf(arvif); + ath12k_bss_assoc(ar, arvif, info); + + /* exclude assoc link as it is done above */ + links &= ~BIT(ahsta->assoc_link_id); + } + for_each_set_bit(link_id, &links, IEEE80211_MLD_MAX_NUM_LINKS) { arvif = wiphy_dereference(hw->wiphy, ahvif->link[link_id]); if (!arvif || !arvif->ar) From 3aba3a1422656850dd1f87843ca34acd379a29ce Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:39 +0800 Subject: [PATCH 079/104] wifi: ath12k: group REO queue buffer parameters together Currently vaddr, paddr and size fields are located together with other fields in ath12k_dp_rx_tid structure. Logically they represents the REO queue buffer so better to group them in an individual structure. Introduce a new structure ath12k_reoq_buf to group them. This improves code readability, and benefits the upcoming patch where this structure is heavily accessed. While at it, change vaddr type to 'void *' since it is actually not pointing to any u32 buffer. Also rename paddr as paddr_aligned to better reflect its actual meaning. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-6-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 94 +++++++++++++------------ drivers/net/wireless/ath/ath12k/dp_rx.h | 10 ++- 2 files changed, 56 insertions(+), 48 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 925f063bc8fd..acafaabc4c9d 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -550,9 +550,9 @@ void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab) spin_lock_bh(&dp->reo_cmd_lock); list_for_each_entry_safe(cmd, tmp, &dp->reo_cmd_list, list) { list_del(&cmd->list); - dma_unmap_single(ab->dev, cmd->data.paddr, - cmd->data.size, DMA_BIDIRECTIONAL); - kfree(cmd->data.vaddr); + dma_unmap_single(ab->dev, cmd->data.qbuf.paddr_aligned, + cmd->data.qbuf.size, DMA_BIDIRECTIONAL); + kfree(cmd->data.qbuf.vaddr); kfree(cmd); } @@ -560,9 +560,9 @@ void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab) &dp->reo_cmd_cache_flush_list, list) { list_del(&cmd_cache->list); dp->reo_cmd_cache_flush_count--; - dma_unmap_single(ab->dev, cmd_cache->data.paddr, - cmd_cache->data.size, DMA_BIDIRECTIONAL); - kfree(cmd_cache->data.vaddr); + dma_unmap_single(ab->dev, cmd_cache->data.qbuf.paddr_aligned, + cmd_cache->data.qbuf.size, DMA_BIDIRECTIONAL); + kfree(cmd_cache->data.qbuf.vaddr); kfree(cmd_cache); } spin_unlock_bh(&dp->reo_cmd_lock); @@ -577,10 +577,10 @@ static void ath12k_dp_reo_cmd_free(struct ath12k_dp *dp, void *ctx, ath12k_warn(dp->ab, "failed to flush rx tid hw desc, tid %d status %d\n", rx_tid->tid, status); - dma_unmap_single(dp->ab->dev, rx_tid->paddr, rx_tid->size, + dma_unmap_single(dp->ab->dev, rx_tid->qbuf.paddr_aligned, rx_tid->qbuf.size, DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + kfree(rx_tid->qbuf.vaddr); + rx_tid->qbuf.vaddr = NULL; } static int ath12k_dp_reo_cmd_send(struct ath12k_base *ab, struct ath12k_dp_rx_tid *rx_tid, @@ -635,13 +635,13 @@ static void ath12k_dp_reo_cache_flush(struct ath12k_base *ab, unsigned long tot_desc_sz, desc_sz; int ret; - tot_desc_sz = rx_tid->size; + tot_desc_sz = rx_tid->qbuf.size; desc_sz = ath12k_hal_reo_qdesc_size(0, HAL_DESC_REO_NON_QOS_TID); while (tot_desc_sz > desc_sz) { tot_desc_sz -= desc_sz; - cmd.addr_lo = lower_32_bits(rx_tid->paddr + tot_desc_sz); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned + tot_desc_sz); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); ret = ath12k_dp_reo_cmd_send(ab, rx_tid, HAL_REO_CMD_FLUSH_CACHE, &cmd, NULL); @@ -652,8 +652,8 @@ static void ath12k_dp_reo_cache_flush(struct ath12k_base *ab, } memset(&cmd, 0, sizeof(cmd)); - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; ret = ath12k_dp_reo_cmd_send(ab, rx_tid, HAL_REO_CMD_FLUSH_CACHE, @@ -661,10 +661,10 @@ static void ath12k_dp_reo_cache_flush(struct ath12k_base *ab, if (ret) { ath12k_err(ab, "failed to send HAL_REO_CMD_FLUSH_CACHE cmd, tid %d (%d)\n", rx_tid->tid, ret); - dma_unmap_single(ab->dev, rx_tid->paddr, rx_tid->size, + dma_unmap_single(ab->dev, rx_tid->qbuf.paddr_aligned, rx_tid->qbuf.size, DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + kfree(rx_tid->qbuf.vaddr); + rx_tid->qbuf.vaddr = NULL; } } @@ -723,10 +723,10 @@ static void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx, return; free_desc: - dma_unmap_single(ab->dev, rx_tid->paddr, rx_tid->size, + dma_unmap_single(ab->dev, rx_tid->qbuf.paddr_aligned, rx_tid->qbuf.size, DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + kfree(rx_tid->qbuf.vaddr); + rx_tid->qbuf.vaddr = NULL; } static void ath12k_peer_rx_tid_qref_setup(struct ath12k_base *ab, u16 peer_id, u16 tid, @@ -796,8 +796,8 @@ void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar, return; cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); cmd.upd0 = HAL_REO_CMD_UPD0_VLD; ret = ath12k_dp_reo_cmd_send(ar->ab, rx_tid, HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd, @@ -805,10 +805,10 @@ void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar, if (ret) { ath12k_err(ar->ab, "failed to send HAL_REO_CMD_UPDATE_RX_QUEUE cmd, tid %d (%d)\n", tid, ret); - dma_unmap_single(ar->ab->dev, rx_tid->paddr, rx_tid->size, - DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + dma_unmap_single(ar->ab->dev, rx_tid->qbuf.paddr_aligned, + rx_tid->qbuf.size, DMA_BIDIRECTIONAL); + kfree(rx_tid->qbuf.vaddr); + rx_tid->qbuf.vaddr = NULL; } if (peer->mlo) @@ -904,8 +904,8 @@ static int ath12k_peer_rx_tid_reo_update(struct ath12k *ar, struct ath12k_hal_reo_cmd cmd = {0}; int ret; - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; cmd.upd0 = HAL_REO_CMD_UPD0_BA_WINDOW_SIZE; cmd.ba_window_size = ba_win_sz; @@ -940,7 +940,7 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ struct ath12k_dp_rx_tid *rx_tid; u32 hw_desc_sz; void *vaddr; - dma_addr_t paddr; + dma_addr_t paddr_aligned; int ret; spin_lock_bh(&ab->base_lock); @@ -974,7 +974,7 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ rx_tid = &peer->rx_tid[tid]; /* Update the tid queue if it is already setup */ if (rx_tid->active) { - paddr = rx_tid->paddr; + paddr_aligned = rx_tid->qbuf.paddr_aligned; ret = ath12k_peer_rx_tid_reo_update(ar, peer, rx_tid, ba_win_sz, ssn, true); spin_unlock_bh(&ab->base_lock); @@ -986,8 +986,8 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ if (!ab->hw_params->reoq_lut_support) { ret = ath12k_wmi_peer_rx_reorder_queue_setup(ar, vdev_id, peer_mac, - paddr, tid, 1, - ba_win_sz); + paddr_aligned, tid, + 1, ba_win_sz); if (ret) { ath12k_warn(ab, "failed to setup peer rx reorder queuefor tid %d: %d\n", tid, ret); @@ -1021,18 +1021,18 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ ath12k_hal_reo_qdesc_setup(addr_aligned, tid, ba_win_sz, ssn, pn_type); - paddr = dma_map_single(ab->dev, addr_aligned, hw_desc_sz, - DMA_BIDIRECTIONAL); + paddr_aligned = dma_map_single(ab->dev, addr_aligned, hw_desc_sz, + DMA_BIDIRECTIONAL); - ret = dma_mapping_error(ab->dev, paddr); + ret = dma_mapping_error(ab->dev, paddr_aligned); if (ret) { spin_unlock_bh(&ab->base_lock); goto err_mem_free; } - rx_tid->vaddr = vaddr; - rx_tid->paddr = paddr; - rx_tid->size = hw_desc_sz; + rx_tid->qbuf.vaddr = vaddr; + rx_tid->qbuf.paddr_aligned = paddr_aligned; + rx_tid->qbuf.size = hw_desc_sz; rx_tid->active = true; if (ab->hw_params->reoq_lut_support) { @@ -1040,15 +1040,18 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ * and tid with qaddr. */ if (peer->mlo) - ath12k_peer_rx_tid_qref_setup(ab, peer->ml_id, tid, paddr); + ath12k_peer_rx_tid_qref_setup(ab, peer->ml_id, tid, + paddr_aligned); else - ath12k_peer_rx_tid_qref_setup(ab, peer->peer_id, tid, paddr); + ath12k_peer_rx_tid_qref_setup(ab, peer->peer_id, tid, + paddr_aligned); spin_unlock_bh(&ab->base_lock); } else { spin_unlock_bh(&ab->base_lock); ret = ath12k_wmi_peer_rx_reorder_queue_setup(ar, vdev_id, peer_mac, - paddr, tid, 1, ba_win_sz); + paddr_aligned, tid, 1, + ba_win_sz); } return ret; @@ -1191,8 +1194,8 @@ int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_link_vif *arvif, rx_tid = &peer->rx_tid[tid]; if (!rx_tid->active) continue; - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); ret = ath12k_dp_reo_cmd_send(ab, rx_tid, HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd, NULL); @@ -3254,8 +3257,9 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, reo_ent_ring->queue_addr_lo = reo_dest_ring->rx_mpdu_info.peer_meta_data; queue_addr_hi = 0; } else { - reo_ent_ring->queue_addr_lo = cpu_to_le32(lower_32_bits(rx_tid->paddr)); - queue_addr_hi = upper_32_bits(rx_tid->paddr); + reo_ent_ring->queue_addr_lo = + cpu_to_le32(lower_32_bits(rx_tid->qbuf.paddr_aligned)); + queue_addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); } reo_ent_ring->info0 = le32_encode_bits(queue_addr_hi, diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.h b/drivers/net/wireless/ath/ath12k/dp_rx.h index eb4d2b60a035..4d90fc98fd99 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.h +++ b/drivers/net/wireless/ath/ath12k/dp_rx.h @@ -12,13 +12,17 @@ #define DP_MAX_NWIFI_HDR_LEN 30 +struct ath12k_reoq_buf { + void *vaddr; + dma_addr_t paddr_aligned; + u32 size; +}; + struct ath12k_dp_rx_tid { u8 tid; - u32 *vaddr; - dma_addr_t paddr; - u32 size; u32 ba_win_sz; bool active; + struct ath12k_reoq_buf qbuf; /* Info related to rx fragments */ u32 cur_sn; From 3b9cbce6fdd3d511107e7eaf27a0f1e0d73038ea Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:40 +0800 Subject: [PATCH 080/104] wifi: ath12k: alloc REO queue per station In MLO case, all link peers share the same REO queue, so the queue should be allocated only once, currently this is done by checking primary_link flag in ath12k_dp_rx_peer_tid_setup(). However, the check not only avoids duplicate allocation, but also bypasses sending queue configuration to firmware for non-primary links. In an upcoming patch, changes will be added to make this check no-ops for WCN7850, as WCN7850 firmware needs to be explicitly notified each link peer's queue configuration. That said, the duplicate allocation would arise again after that change, hence it needs to be resolved before hand. Since all link peers share the same queue, it should be allocated per MLD peer, not per link peer. So change to do allocation once and save it in MLD peer, link peers can simply get queue configuration from there. Also relocate ath12k_reoq_buf structure to core.h to avoid circular dependency. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-7-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 8 +++ drivers/net/wireless/ath/ath12k/dp_rx.c | 95 +++++++++++++++---------- drivers/net/wireless/ath/ath12k/dp_rx.h | 6 -- 3 files changed, 65 insertions(+), 44 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 1bc2a391171d..0c8bb64ec08f 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -535,6 +535,12 @@ struct ath12k_link_sta { u8 link_idx; }; +struct ath12k_reoq_buf { + void *vaddr; + dma_addr_t paddr_aligned; + u32 size; +}; + struct ath12k_sta { struct ath12k_vif *ahvif; enum hal_pn_type pn_type; @@ -547,6 +553,8 @@ struct ath12k_sta { u8 num_peer; enum ieee80211_sta_state state; + + struct ath12k_reoq_buf reoq_bufs[IEEE80211_NUM_TIDS + 1]; }; #define ATH12K_HALF_20MHZ_BW 10 diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index acafaabc4c9d..a8d603bd9131 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -929,17 +929,66 @@ static int ath12k_peer_rx_tid_reo_update(struct ath12k *ar, return 0; } +static int ath12k_dp_rx_assign_reoq(struct ath12k_base *ab, + struct ath12k_sta *ahsta, + struct ath12k_dp_rx_tid *rx_tid, + u16 ssn, enum hal_pn_type pn_type) +{ + u32 ba_win_sz = rx_tid->ba_win_sz; + struct ath12k_reoq_buf *buf; + void *vaddr, *vaddr_aligned; + dma_addr_t paddr_aligned; + u8 tid = rx_tid->tid; + u32 hw_desc_sz; + int ret; + + buf = &ahsta->reoq_bufs[tid]; + if (!buf->vaddr) { + /* TODO: Optimize the memory allocation for qos tid based on + * the actual BA window size in REO tid update path. + */ + if (tid == HAL_DESC_REO_NON_QOS_TID) + hw_desc_sz = ath12k_hal_reo_qdesc_size(ba_win_sz, tid); + else + hw_desc_sz = ath12k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid); + + vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC); + if (!vaddr) + return -ENOMEM; + + vaddr_aligned = PTR_ALIGN(vaddr, HAL_LINK_DESC_ALIGN); + + ath12k_hal_reo_qdesc_setup(vaddr_aligned, tid, ba_win_sz, + ssn, pn_type); + + paddr_aligned = dma_map_single(ab->dev, vaddr_aligned, hw_desc_sz, + DMA_BIDIRECTIONAL); + ret = dma_mapping_error(ab->dev, paddr_aligned); + if (ret) { + kfree(vaddr); + return ret; + } + + buf->vaddr = vaddr; + buf->paddr_aligned = paddr_aligned; + buf->size = hw_desc_sz; + } + + rx_tid->qbuf = *buf; + rx_tid->active = true; + + return 0; +} + int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id, u8 tid, u32 ba_win_sz, u16 ssn, enum hal_pn_type pn_type) { struct ath12k_base *ab = ar->ab; struct ath12k_dp *dp = &ab->dp; - struct hal_rx_reo_queue *addr_aligned; struct ath12k_peer *peer; + struct ath12k_sta *ahsta; struct ath12k_dp_rx_tid *rx_tid; - u32 hw_desc_sz; - void *vaddr; dma_addr_t paddr_aligned; int ret; @@ -972,9 +1021,9 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ } rx_tid = &peer->rx_tid[tid]; + paddr_aligned = rx_tid->qbuf.paddr_aligned; /* Update the tid queue if it is already setup */ if (rx_tid->active) { - paddr_aligned = rx_tid->qbuf.paddr_aligned; ret = ath12k_peer_rx_tid_reo_update(ar, peer, rx_tid, ba_win_sz, ssn, true); spin_unlock_bh(&ab->base_lock); @@ -1002,39 +1051,14 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ rx_tid->ba_win_sz = ba_win_sz; - /* TODO: Optimize the memory allocation for qos tid based on - * the actual BA window size in REO tid update path. - */ - if (tid == HAL_DESC_REO_NON_QOS_TID) - hw_desc_sz = ath12k_hal_reo_qdesc_size(ba_win_sz, tid); - else - hw_desc_sz = ath12k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid); - - vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC); - if (!vaddr) { - spin_unlock_bh(&ab->base_lock); - return -ENOMEM; - } - - addr_aligned = PTR_ALIGN(vaddr, HAL_LINK_DESC_ALIGN); - - ath12k_hal_reo_qdesc_setup(addr_aligned, tid, ba_win_sz, - ssn, pn_type); - - paddr_aligned = dma_map_single(ab->dev, addr_aligned, hw_desc_sz, - DMA_BIDIRECTIONAL); - - ret = dma_mapping_error(ab->dev, paddr_aligned); + ahsta = ath12k_sta_to_ahsta(peer->sta); + ret = ath12k_dp_rx_assign_reoq(ab, ahsta, rx_tid, ssn, pn_type); if (ret) { spin_unlock_bh(&ab->base_lock); - goto err_mem_free; + ath12k_warn(ab, "failed to assign reoq buf for rx tid %u\n", tid); + return ret; } - rx_tid->qbuf.vaddr = vaddr; - rx_tid->qbuf.paddr_aligned = paddr_aligned; - rx_tid->qbuf.size = hw_desc_sz; - rx_tid->active = true; - if (ab->hw_params->reoq_lut_support) { /* Update the REO queue LUT at the corresponding peer id * and tid with qaddr. @@ -1054,11 +1078,6 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ ba_win_sz); } - return ret; - -err_mem_free: - kfree(vaddr); - return ret; } diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.h b/drivers/net/wireless/ath/ath12k/dp_rx.h index 4d90fc98fd99..19fb41e1c32b 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.h +++ b/drivers/net/wireless/ath/ath12k/dp_rx.h @@ -12,12 +12,6 @@ #define DP_MAX_NWIFI_HDR_LEN 30 -struct ath12k_reoq_buf { - void *vaddr; - dma_addr_t paddr_aligned; - u32 size; -}; - struct ath12k_dp_rx_tid { u8 tid; u32 ba_win_sz; From bcdf2620f95752af542c18ee81a83231d4993953 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:41 +0800 Subject: [PATCH 081/104] wifi: ath12k: don't skip non-primary links for WCN7850 The primary link check bypasses REO queue setup for non-primary links in ath12k_dp_rx_peer_tid_setup(), this works for QCN9274 but breaks WCN7850 as WCN7850 needs it to be done for each link peer. Add a new hardware parameter to differentiate them. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-8-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 3 ++- drivers/net/wireless/ath/ath12k/hw.c | 8 ++++++++ drivers/net/wireless/ath/ath12k/hw.h | 3 +++ 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index a8d603bd9131..37a82419aaf2 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -1001,7 +1001,8 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ return -ENOENT; } - if (!peer->primary_link) { + if (ab->hw_params->dp_primary_link_only && + !peer->primary_link) { spin_unlock_bh(&ab->base_lock); return 0; } diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index e3249719ca53..a46d82857c5d 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -1327,6 +1327,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .bdf_addr_offset = 0, .current_cc_support = false, + + .dp_primary_link_only = true, }, { .name = "wcn7850 hw2.0", @@ -1414,6 +1416,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .bdf_addr_offset = 0, .current_cc_support = true, + + .dp_primary_link_only = false, }, { .name = "qcn9274 hw2.0", @@ -1497,6 +1501,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .bdf_addr_offset = 0, .current_cc_support = false, + + .dp_primary_link_only = true, }, { .name = "ipq5332 hw1.0", @@ -1573,6 +1579,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .ce_ie_addr = &ath12k_ce_ie_addr_ipq5332, .ce_remap = &ath12k_ce_remap_ipq5332, .bdf_addr_offset = 0xC00000, + + .dp_primary_link_only = true, }, }; diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index d0218d3eea54..024cfcd2cc15 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -233,6 +233,9 @@ struct ath12k_hw_params { const struct ce_ie_addr *ce_ie_addr; const struct ce_remap *ce_remap; u32 bdf_addr_offset; + + /* setup REO queue, frag etc only for primary link peer */ + bool dp_primary_link_only:1; }; struct ath12k_hw_ops { From 176f3009ae598d0523b267db319fe16f69577231 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Wed, 9 Apr 2025 10:26:42 +0800 Subject: [PATCH 082/104] wifi: ath12k: support 2 channels for single pdev device For single pdev device, radio number of a device is forced as 1 in ath12k_wmi_ext_soc_hal_reg_caps_parse(). This leads to ah->num_radio == 1 and then in ath12k_mac_setup_iface_combinations() we report to mac/cfg80211 that only 1 channel is supported. In MLO case, it finally results in failing to bring up the second link as it is in another channel. Change num_different_channels to 2 to allow a second link. Since DFS on multiple channels are not supported yet, remove radar_detect_widths. For now WCN7850 is the only single pdev device, so others should not be affected. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1 Signed-off-by: Baochen Qiang Link: https://patch.msgid.link/20250409-ath12k-wcn7850-mlo-support-v2-9-3801132ca2c3@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 48d60f7b891a..dfc803879028 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -11089,13 +11089,18 @@ ath12k_mac_setup_radio_iface_comb(struct ath12k *ar, comb[0].limits = limits; comb[0].n_limits = n_limits; comb[0].max_interfaces = max_interfaces; - comb[0].num_different_channels = 1; comb[0].beacon_int_infra_match = true; comb[0].beacon_int_min_gcd = 100; - comb[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | - BIT(NL80211_CHAN_WIDTH_20) | - BIT(NL80211_CHAN_WIDTH_40) | - BIT(NL80211_CHAN_WIDTH_80); + + if (ar->ab->hw_params->single_pdev_only) { + comb[0].num_different_channels = 2; + } else { + comb[0].num_different_channels = 1; + comb[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | + BIT(NL80211_CHAN_WIDTH_20) | + BIT(NL80211_CHAN_WIDTH_40) | + BIT(NL80211_CHAN_WIDTH_80); + } return 0; } From 37a068fc9dc4feb8d76e8896bb33883d06c11a6b Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Fri, 11 Apr 2025 11:31:51 +0530 Subject: [PATCH 083/104] wifi: ath12k: Handle error cases during extended skb allocation Currently, in the case of extended skb allocation, the buffer is freed before the DMA unmap operation. This premature deletion can result in skb->data corruption, as the memory region could be re-allocated for other purposes. Fix this issue by reordering the failure cases by calling dma_unmap_single() first, then followed by the corresponding kfree_skb(). This helps avoid data corruption in case of failures in dp_tx(). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411060154.1388159-2-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_tx.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index 91da0805706f..9d58a9a9cbff 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -231,7 +231,7 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb); struct hal_tcl_data_cmd *hal_tcl_desc; struct hal_tx_msdu_ext_desc *msg; - struct sk_buff *skb_ext_desc; + struct sk_buff *skb_ext_desc = NULL; struct hal_srng *tcl_ring; struct ieee80211_hdr *hdr = (void *)skb->data; struct ath12k_vif *ahvif = arvif->ahvif; @@ -417,18 +417,15 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, if (ret < 0) { ath12k_dbg(ab, ATH12K_DBG_DP_TX, "Failed to add HTT meta data, dropping packet\n"); - kfree_skb(skb_ext_desc); - goto fail_unmap_dma; + goto fail_free_ext_skb; } } ti.paddr = dma_map_single(ab->dev, skb_ext_desc->data, skb_ext_desc->len, DMA_TO_DEVICE); ret = dma_mapping_error(ab->dev, ti.paddr); - if (ret) { - kfree_skb(skb_ext_desc); - goto fail_unmap_dma; - } + if (ret) + goto fail_free_ext_skb; ti.data_len = skb_ext_desc->len; ti.type = HAL_TCL_DESC_TYPE_EXT_DESC; @@ -464,7 +461,7 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, ring_selector++; } - goto fail_unmap_dma; + goto fail_unmap_dma_ext; } spin_lock_bh(&arvif->link_stats_lock); @@ -491,13 +488,16 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, return 0; -fail_unmap_dma: - dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE); - +fail_unmap_dma_ext: if (skb_cb->paddr_ext_desc) dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); +fail_free_ext_skb: + kfree_skb(skb_ext_desc); + +fail_unmap_dma: + dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE); fail_remove_tx_buf: ath12k_dp_tx_release_txbuf(dp, tx_desc, pool_id); From 10ec3d54df783bc9585b98559a1f556019312462 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Fri, 11 Apr 2025 11:31:52 +0530 Subject: [PATCH 084/104] wifi: ath12k: Refactor tx descriptor handling in tx completion handler Current code uses mac_id and msdu parameters in ath12k_dp_tx_free_txbuf() and ath12k_dp_tx_process_htt_tx_complete(). Since these parameters are already encapsulated by struct ath12k_dp_tx_desc, passing them individually results in redundant arguments. Introduce struct ath12k_tx_desc_params to capture the skb, mac_id, and pass it to the corresponding functions. Refactor these functions to use struct ath12k_tx_desc_params instead, reducing the number of arguments and improving function argument handling efficiency. Additionally, use struct ath12k_tx_desc_params in ath12k_dp_tx_htt_tx_complete_buf() and ath12k_dp_tx_complete_msdu(), which will be utilized for fetching extended skb in a future patch. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411060154.1388159-3-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp.h | 5 +++ drivers/net/wireless/ath/ath12k/dp_tx.c | 42 ++++++++++++------------- 2 files changed, 26 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h index 6ce5f853dcdb..241da2a3bd34 100644 --- a/drivers/net/wireless/ath/ath12k/dp.h +++ b/drivers/net/wireless/ath/ath12k/dp.h @@ -301,6 +301,11 @@ struct ath12k_tx_desc_info { u8 pool_id; }; +struct ath12k_tx_desc_params { + struct sk_buff *skb; + u8 mac_id; +}; + struct ath12k_spt_info { dma_addr_t paddr; u64 *vaddr; diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index 9d58a9a9cbff..a272d5b8a51c 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -513,12 +513,13 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, } static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab, - struct sk_buff *msdu, u8 mac_id, - struct dp_tx_ring *tx_ring) + struct dp_tx_ring *tx_ring, + struct ath12k_tx_desc_params *desc_params) { struct ath12k *ar; + struct sk_buff *msdu = desc_params->skb; struct ath12k_skb_cb *skb_cb; - u8 pdev_id = ath12k_hw_mac_id_to_pdev_id(ab->hw_params, mac_id); + u8 pdev_id = ath12k_hw_mac_id_to_pdev_id(ab->hw_params, desc_params->mac_id); skb_cb = ATH12K_SKB_CB(msdu); ar = ab->pdevs[pdev_id].ar; @@ -536,7 +537,7 @@ static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab, static void ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, - struct sk_buff *msdu, + struct ath12k_tx_desc_params *desc_params, struct dp_tx_ring *tx_ring, struct ath12k_dp_htt_wbm_tx_status *ts) { @@ -546,6 +547,7 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, struct ieee80211_vif *vif; struct ath12k_vif *ahvif; struct ath12k *ar; + struct sk_buff *msdu = desc_params->skb; skb_cb = ATH12K_SKB_CB(msdu); info = IEEE80211_SKB_CB(msdu); @@ -594,10 +596,9 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, } static void -ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab, - void *desc, u8 mac_id, - struct sk_buff *msdu, - struct dp_tx_ring *tx_ring) +ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab, void *desc, + struct dp_tx_ring *tx_ring, + struct ath12k_tx_desc_params *desc_params) { struct htt_tx_wbm_completion *status_desc; struct ath12k_dp_htt_wbm_tx_status ts = {0}; @@ -613,14 +614,14 @@ ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab, ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK); ts.ack_rssi = le32_get_bits(status_desc->info2, HTT_TX_WBM_COMP_INFO2_ACK_RSSI); - ath12k_dp_tx_htt_tx_complete_buf(ab, msdu, tx_ring, &ts); + ath12k_dp_tx_htt_tx_complete_buf(ab, desc_params, tx_ring, &ts); break; case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP: case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL: case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ: case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT: case HAL_WBM_REL_HTT_TX_COMP_STATUS_VDEVID_MISMATCH: - ath12k_dp_tx_free_txbuf(ab, msdu, mac_id, tx_ring); + ath12k_dp_tx_free_txbuf(ab, tx_ring, desc_params); break; case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY: /* This event is to be handled only when the driver decides to @@ -752,7 +753,7 @@ static void ath12k_dp_tx_update_txcompl(struct ath12k *ar, struct hal_tx_status } static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, - struct sk_buff *msdu, + struct ath12k_tx_desc_params *desc_params, struct hal_tx_status *ts) { struct ath12k_base *ab = ar->ab; @@ -762,6 +763,7 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, struct ath12k_skb_cb *skb_cb; struct ieee80211_vif *vif; struct ath12k_vif *ahvif; + struct sk_buff *msdu = desc_params->skb; if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) { /* Must not happen */ @@ -891,11 +893,11 @@ void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id) int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id; struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id]; struct ath12k_tx_desc_info *tx_desc = NULL; - struct sk_buff *msdu; struct hal_tx_status ts = { 0 }; + struct ath12k_tx_desc_params desc_params; struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id]; struct hal_wbm_release_ring *desc; - u8 mac_id, pdev_id; + u8 pdev_id; u64 desc_va; spin_lock_bh(&status_ring->lock); @@ -949,28 +951,26 @@ void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id) continue; } - msdu = tx_desc->skb; - mac_id = tx_desc->mac_id; + desc_params.mac_id = tx_desc->mac_id; + desc_params.skb = tx_desc->skb; /* Release descriptor as soon as extracting necessary info * to reduce contention */ ath12k_dp_tx_release_txbuf(dp, tx_desc, tx_desc->pool_id); if (ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW) { - ath12k_dp_tx_process_htt_tx_complete(ab, - (void *)tx_status, - mac_id, msdu, - tx_ring); + ath12k_dp_tx_process_htt_tx_complete(ab, (void *)tx_status, + tx_ring, &desc_params); continue; } - pdev_id = ath12k_hw_mac_id_to_pdev_id(ab->hw_params, mac_id); + pdev_id = ath12k_hw_mac_id_to_pdev_id(ab->hw_params, desc_params.mac_id); ar = ab->pdevs[pdev_id].ar; if (atomic_dec_and_test(&ar->dp.num_tx_pending)) wake_up(&ar->dp.tx_empty_waitq); - ath12k_dp_tx_complete_msdu(ar, msdu, &ts); + ath12k_dp_tx_complete_msdu(ar, &desc_params, &ts); } } From 1e326ada3586277faa1f67e9263fbc09311986a6 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Fri, 11 Apr 2025 11:31:53 +0530 Subject: [PATCH 085/104] wifi: ath12k: Fix memory leak during extended skb allocation In ath12k_dp_tx(), memory allocated for extended skb is not freed properly, causing a memory leak even when the host receives tx completion for those skbs. Fix this issue by storing skb_ext_desc in the host tx descriptor and using this skb_ext_desc field during completion or during ath12k_dp_cc_cleanup(). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411060154.1388159-4-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp.c | 10 +++++++++- drivers/net/wireless/ath/ath12k/dp.h | 2 ++ drivers/net/wireless/ath/ath12k/dp_tx.c | 15 ++++++++++++--- 3 files changed, 23 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c index 59f61341383a..e04415517860 100644 --- a/drivers/net/wireless/ath/ath12k/dp.c +++ b/drivers/net/wireless/ath/ath12k/dp.c @@ -1206,11 +1206,19 @@ static void ath12k_dp_cc_cleanup(struct ath12k_base *ab) if (!skb) continue; + skb_cb = ATH12K_SKB_CB(skb); + if (skb_cb->paddr_ext_desc) { + dma_unmap_single(ab->dev, + skb_cb->paddr_ext_desc, + tx_desc_info->skb_ext_desc->len, + DMA_TO_DEVICE); + dev_kfree_skb_any(tx_desc_info->skb_ext_desc); + } + /* if we are unregistering, hw would've been destroyed and * ar is no longer valid. */ if (!(test_bit(ATH12K_FLAG_UNREGISTERING, &ab->dev_flags))) { - skb_cb = ATH12K_SKB_CB(skb); ar = skb_cb->ar; if (atomic_dec_and_test(&ar->dp.num_tx_pending)) diff --git a/drivers/net/wireless/ath/ath12k/dp.h b/drivers/net/wireless/ath/ath12k/dp.h index 241da2a3bd34..706d766d8c81 100644 --- a/drivers/net/wireless/ath/ath12k/dp.h +++ b/drivers/net/wireless/ath/ath12k/dp.h @@ -296,6 +296,7 @@ struct ath12k_rx_desc_info { struct ath12k_tx_desc_info { struct list_head list; struct sk_buff *skb; + struct sk_buff *skb_ext_desc; u32 desc_id; /* Cookie */ u8 mac_id; u8 pool_id; @@ -303,6 +304,7 @@ struct ath12k_tx_desc_info { struct ath12k_tx_desc_params { struct sk_buff *skb; + struct sk_buff *skb_ext_desc; u8 mac_id; }; diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index a272d5b8a51c..9bcd20712888 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -84,6 +84,7 @@ static void ath12k_dp_tx_release_txbuf(struct ath12k_dp *dp, u8 pool_id) { spin_lock_bh(&dp->tx_desc_lock[pool_id]); + tx_desc->skb_ext_desc = NULL; list_move_tail(&tx_desc->list, &dp->tx_desc_free_list[pool_id]); spin_unlock_bh(&dp->tx_desc_lock[pool_id]); } @@ -431,6 +432,7 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, ti.type = HAL_TCL_DESC_TYPE_EXT_DESC; skb_cb->paddr_ext_desc = ti.paddr; + tx_desc->skb_ext_desc = skb_ext_desc; } hal_ring_id = tx_ring->tcl_data_ring.ring_id; @@ -525,9 +527,11 @@ static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab, ar = ab->pdevs[pdev_id].ar; dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); - if (skb_cb->paddr_ext_desc) + if (skb_cb->paddr_ext_desc) { dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + dev_kfree_skb_any(desc_params->skb_ext_desc); + } ieee80211_free_txskb(ar->ah->hw, msdu); @@ -558,9 +562,11 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, wake_up(&ar->dp.tx_empty_waitq); dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); - if (skb_cb->paddr_ext_desc) + if (skb_cb->paddr_ext_desc) { dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + dev_kfree_skb_any(desc_params->skb_ext_desc); + } vif = skb_cb->vif; if (vif) { @@ -773,9 +779,11 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, skb_cb = ATH12K_SKB_CB(msdu); dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); - if (skb_cb->paddr_ext_desc) + if (skb_cb->paddr_ext_desc) { dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + dev_kfree_skb_any(desc_params->skb_ext_desc); + } rcu_read_lock(); @@ -953,6 +961,7 @@ void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id) desc_params.mac_id = tx_desc->mac_id; desc_params.skb = tx_desc->skb; + desc_params.skb_ext_desc = tx_desc->skb_ext_desc; /* Release descriptor as soon as extracting necessary info * to reduce contention From 65bf4ed2db9ac3590c7f0545b6bbebbacbfd974f Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Fri, 11 Apr 2025 11:31:54 +0530 Subject: [PATCH 086/104] wifi: ath12k: Use skb->len for dma_unmap_single() length parameter During dma_unmap_single() for extended skb, the driver currently uses sizeof() of the corresponding structure. When the allocation size changes, one of the parameters of dma_unmap_single() needs to be updated everywhere. Improve code readability by using skb->len instead of sizeof() the structure. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411060154.1388159-5-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_tx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index 9bcd20712888..2136eeb278af 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -493,7 +493,7 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_link_vif *arvif, fail_unmap_dma_ext: if (skb_cb->paddr_ext_desc) dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, - sizeof(struct hal_tx_msdu_ext_desc), + skb_ext_desc->len, DMA_TO_DEVICE); fail_free_ext_skb: kfree_skb(skb_ext_desc); @@ -529,7 +529,7 @@ static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab, dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); if (skb_cb->paddr_ext_desc) { dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, - sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + desc_params->skb_ext_desc->len, DMA_TO_DEVICE); dev_kfree_skb_any(desc_params->skb_ext_desc); } @@ -564,7 +564,7 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); if (skb_cb->paddr_ext_desc) { dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, - sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + desc_params->skb_ext_desc->len, DMA_TO_DEVICE); dev_kfree_skb_any(desc_params->skb_ext_desc); } @@ -781,7 +781,7 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); if (skb_cb->paddr_ext_desc) { dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, - sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); + desc_params->skb_ext_desc->len, DMA_TO_DEVICE); dev_kfree_skb_any(desc_params->skb_ext_desc); } From b7544de8a2984e61b95c58c1c6c1e8ce659b1021 Mon Sep 17 00:00:00 2001 From: Rajat Soni Date: Tue, 8 Apr 2025 09:51:26 +0530 Subject: [PATCH 087/104] wifi: ath12k: Add helper function ath12k_mac_update_freq_range() In a subsequent change, the frequency range needs to be updated with each regulatory update. Since the current function also modifies the DISABLED flag in the actual channel list, which should always align with hardware-supported start and end frequencies rather than the current operating ones, the existing function cannot be called again. Therefore, the logic for setting the frequency range needs to be refactored. To address this, refactor the frequency setting part into a new helper function, ath12k_mac_update_freq_range(). Since this needs to be done independently of updating the DISABLED flag, call the new helper function ath12k_mac_update_freq_range() after updating the channel list for each band. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Rajat Soni Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408042128.720263-2-quic_rajson@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 22 +++++++++++++++++++--- drivers/net/wireless/ath/ath12k/mac.h | 2 ++ 2 files changed, 21 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index dfc803879028..660dd4b17fe1 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -10865,6 +10865,16 @@ static const struct ieee80211_ops ath12k_ops = { #endif }; +void ath12k_mac_update_freq_range(struct ath12k *ar, + u32 freq_low, u32 freq_high) +{ + if (!(freq_low && freq_high)) + return; + + ar->freq_range.start_freq = MHZ_TO_KHZ(freq_low); + ar->freq_range.end_freq = MHZ_TO_KHZ(freq_high); +} + static void ath12k_mac_update_ch_list(struct ath12k *ar, struct ieee80211_supported_band *band, u32 freq_low, u32 freq_high) @@ -10879,9 +10889,6 @@ static void ath12k_mac_update_ch_list(struct ath12k *ar, band->channels[i].center_freq > freq_high) band->channels[i].flags |= IEEE80211_CHAN_DISABLED; } - - ar->freq_range.start_freq = MHZ_TO_KHZ(freq_low); - ar->freq_range.end_freq = MHZ_TO_KHZ(freq_high); } static u32 ath12k_get_phy_id(struct ath12k *ar, u32 band) @@ -10939,6 +10946,9 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, ath12k_mac_update_ch_list(ar, band, reg_cap->low_2ghz_chan, reg_cap->high_2ghz_chan); + + ath12k_mac_update_freq_range(ar, reg_cap->low_2ghz_chan, + reg_cap->high_2ghz_chan); } if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { @@ -10961,6 +10971,9 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, ath12k_mac_update_ch_list(ar, band, reg_cap->low_5ghz_chan, reg_cap->high_5ghz_chan); + + ath12k_mac_update_freq_range(ar, reg_cap->low_5ghz_chan, + reg_cap->high_5ghz_chan); ah->use_6ghz_regd = true; } @@ -10990,6 +11003,9 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, ath12k_mac_update_ch_list(ar, band, reg_cap->low_5ghz_chan, reg_cap->high_5ghz_chan); + + ath12k_mac_update_freq_range(ar, reg_cap->low_5ghz_chan, + reg_cap->high_5ghz_chan); } } diff --git a/drivers/net/wireless/ath/ath12k/mac.h b/drivers/net/wireless/ath/ath12k/mac.h index 6c5f9d587a60..da37332352fe 100644 --- a/drivers/net/wireless/ath/ath12k/mac.h +++ b/drivers/net/wireless/ath/ath12k/mac.h @@ -126,4 +126,6 @@ struct ath12k *ath12k_get_ar_by_vif(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u8 link_id); int ath12k_mac_get_fw_stats(struct ath12k *ar, struct ath12k_fw_stats_req_params *param); +void ath12k_mac_update_freq_range(struct ath12k *ar, + u32 freq_low, u32 freq_high); #endif From 657b0c72c4ad688d424560af98e3258b3f875a4d Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 09:51:27 +0530 Subject: [PATCH 088/104] wifi: ath12k: Fix frequency range in driver During the initial WMI exchange, the firmware updates the hardware-supported start and end frequencies in the ath12k_wmi_hal_reg_capabilities_ext_arg structure. These frequencies, being hardware-supported, may not always align with the current regulatory operating frequencies. When operating as multiple grouped hardwares under a single wiphy, the driver advertises these values directly to the upper layer in the per-radio frequency range, which can be misleading. Sample output snippet from iw phyX info command - [..] Supported wiphy radios: * Idx 0: Frequency Range: 2312 MHz - 2732 MHz [..] * Idx 1: Frequency Range: 5150 MHz - 5330 MHz [..] [..] The frequency range displayed above is incorrect because the driver directly advertises the hardware-supported values to the upper layer. The driver is aware of the current operating regulatory rules, and hence it can use this information to determine the final operating start and end frequencies. To resolve this issue, add support to store the start and end frequencies received during the regulatory update event. Then, intersect these with the hardware-supported start and end frequencies, and finally, advertise the intersected values to the upper layer. Sample output snippet from iw phyX info command after the fix - [..] Supported wiphy radios: * Idx 0: Frequency Range: 2402 MHz - 2472 MHz [..] * Idx 1: Frequency Range: 5170 MHz - 5330 MHz [..] [..] Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Co-developed-by: Rajat Soni Signed-off-by: Rajat Soni Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408042128.720263-3-quic_rajson@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.h | 9 ++++++ drivers/net/wireless/ath/ath12k/mac.c | 39 ++++++++++++++++++-------- drivers/net/wireless/ath/ath12k/reg.c | 13 +++++++++ 3 files changed, 49 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 0c8bb64ec08f..4b8f434e3e9a 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -893,6 +893,11 @@ struct ath12k_soc_dp_stats { struct ath12k_soc_dp_tx_err_stats tx_err; }; +struct ath12k_reg_freq { + u32 start_freq; + u32 end_freq; +}; + struct ath12k_mlo_memory { struct target_mem_chunk chunk[ATH12K_QMI_WLANFW_MAX_NUM_MEM_SEG_V01]; int mlo_mem_size; @@ -1140,6 +1145,10 @@ struct ath12k_base { /* Denote whether MLO is possible within the device */ bool single_chip_mlo_support; + struct ath12k_reg_freq reg_freq_2ghz; + struct ath12k_reg_freq reg_freq_5ghz; + struct ath12k_reg_freq reg_freq_6ghz; + /* must be last */ u8 drv_priv[] __aligned(sizeof(void *)); }; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 660dd4b17fe1..6e4619e5cdf1 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -10913,16 +10913,17 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, { struct ieee80211_supported_band *band; struct ath12k_wmi_hal_reg_capabilities_ext_arg *reg_cap; + struct ath12k_base *ab = ar->ab; + u32 phy_id, freq_low, freq_high; struct ath12k_hw *ah = ar->ah; void *channels; - u32 phy_id; BUILD_BUG_ON((ARRAY_SIZE(ath12k_2ghz_channels) + ARRAY_SIZE(ath12k_5ghz_channels) + ARRAY_SIZE(ath12k_6ghz_channels)) != ATH12K_NUM_CHANS); - reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx]; + reg_cap = &ab->hal_reg_cap[ar->pdev_idx]; if (supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { channels = kmemdup(ath12k_2ghz_channels, @@ -10939,16 +10940,21 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, band->bitrates = ath12k_g_rates; bands[NL80211_BAND_2GHZ] = band; - if (ar->ab->hw_params->single_pdev_only) { + if (ab->hw_params->single_pdev_only) { phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_2GHZ_CAP); - reg_cap = &ar->ab->hal_reg_cap[phy_id]; + reg_cap = &ab->hal_reg_cap[phy_id]; } + + freq_low = max(reg_cap->low_2ghz_chan, + ab->reg_freq_2ghz.start_freq); + freq_high = min(reg_cap->high_2ghz_chan, + ab->reg_freq_2ghz.end_freq); + ath12k_mac_update_ch_list(ar, band, reg_cap->low_2ghz_chan, reg_cap->high_2ghz_chan); - ath12k_mac_update_freq_range(ar, reg_cap->low_2ghz_chan, - reg_cap->high_2ghz_chan); + ath12k_mac_update_freq_range(ar, freq_low, freq_high); } if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP) { @@ -10968,12 +10974,17 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, band->n_bitrates = ath12k_a_rates_size; band->bitrates = ath12k_a_rates; bands[NL80211_BAND_6GHZ] = band; + + freq_low = max(reg_cap->low_5ghz_chan, + ab->reg_freq_6ghz.start_freq); + freq_high = min(reg_cap->high_5ghz_chan, + ab->reg_freq_6ghz.end_freq); + ath12k_mac_update_ch_list(ar, band, reg_cap->low_5ghz_chan, reg_cap->high_5ghz_chan); - ath12k_mac_update_freq_range(ar, reg_cap->low_5ghz_chan, - reg_cap->high_5ghz_chan); + ath12k_mac_update_freq_range(ar, freq_low, freq_high); ah->use_6ghz_regd = true; } @@ -10995,17 +11006,21 @@ static int ath12k_mac_setup_channels_rates(struct ath12k *ar, band->bitrates = ath12k_a_rates; bands[NL80211_BAND_5GHZ] = band; - if (ar->ab->hw_params->single_pdev_only) { + if (ab->hw_params->single_pdev_only) { phy_id = ath12k_get_phy_id(ar, WMI_HOST_WLAN_5GHZ_CAP); - reg_cap = &ar->ab->hal_reg_cap[phy_id]; + reg_cap = &ab->hal_reg_cap[phy_id]; } + freq_low = max(reg_cap->low_5ghz_chan, + ab->reg_freq_5ghz.start_freq); + freq_high = min(reg_cap->high_5ghz_chan, + ab->reg_freq_5ghz.end_freq); + ath12k_mac_update_ch_list(ar, band, reg_cap->low_5ghz_chan, reg_cap->high_5ghz_chan); - ath12k_mac_update_freq_range(ar, reg_cap->low_5ghz_chan, - reg_cap->high_5ghz_chan); + ath12k_mac_update_freq_range(ar, freq_low, freq_high); } } diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index 3260df2ad600..319503244ea4 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -651,6 +651,16 @@ ath12k_reg_update_weather_radar_band(struct ath12k_base *ab, *rule_idx = i; } +static void ath12k_reg_update_freq_range(struct ath12k_reg_freq *reg_freq, + struct ath12k_reg_rule *reg_rule) +{ + if (reg_freq->start_freq > reg_rule->start_freq) + reg_freq->start_freq = reg_rule->start_freq; + + if (reg_freq->end_freq < reg_rule->end_freq) + reg_freq->end_freq = reg_rule->end_freq; +} + struct ieee80211_regdomain * ath12k_reg_build_regd(struct ath12k_base *ab, struct ath12k_reg_info *reg_info, bool intersect) @@ -704,6 +714,7 @@ ath12k_reg_build_regd(struct ath12k_base *ab, max_bw = min_t(u16, reg_rule->max_bw, reg_info->max_bw_2g); flags = 0; + ath12k_reg_update_freq_range(&ab->reg_freq_2ghz, reg_rule); } else if (reg_info->num_5g_reg_rules && (j < reg_info->num_5g_reg_rules)) { reg_rule = reg_info->reg_rules_5g_ptr + j++; @@ -717,6 +728,7 @@ ath12k_reg_build_regd(struct ath12k_base *ab, * per other BW rule flags we pass from here */ flags = NL80211_RRF_AUTO_BW; + ath12k_reg_update_freq_range(&ab->reg_freq_5ghz, reg_rule); } else if (reg_info->is_ext_reg_event && reg_info->num_6g_reg_rules_ap[WMI_REG_INDOOR_AP] && (k < reg_info->num_6g_reg_rules_ap[WMI_REG_INDOOR_AP])) { @@ -724,6 +736,7 @@ ath12k_reg_build_regd(struct ath12k_base *ab, max_bw = min_t(u16, reg_rule->max_bw, reg_info->max_bw_6g_ap[WMI_REG_INDOOR_AP]); flags = NL80211_RRF_AUTO_BW; + ath12k_reg_update_freq_range(&ab->reg_freq_6ghz, reg_rule); } else { break; } From 13324cecbb2c390a11f1fbfe87f3a5e62d6e4591 Mon Sep 17 00:00:00 2001 From: Aditya Kumar Singh Date: Tue, 8 Apr 2025 09:51:28 +0530 Subject: [PATCH 089/104] wifi: ath12k: Update frequency range if reg rules changes During the hardware register, driver updates the frequency range during boot-up. However, if new regulatory rules are applied after boot-up, the frequency range remains based on the older rules. Since different countries have varying regulatory rules, the frequency range can differ. Retaining the frequency range based on outdated rules can be misleading. Update the frequency range according to the new regulatory rules in the function ath12k_regd_update(). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Aditya Kumar Singh Co-developed-by: Rajat Soni Signed-off-by: Rajat Soni Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408042128.720263-4-quic_rajson@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/reg.c | 54 +++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index 319503244ea4..9d188e1037a6 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -6,6 +6,7 @@ #include #include "core.h" #include "debug.h" +#include "mac.h" /* World regdom to be used in case default regd from fw is unavailable */ #define ATH12K_2GHZ_CH01_11 REG_RULE(2412 - 10, 2462 + 10, 40, 0, 20, 0) @@ -246,6 +247,8 @@ static void ath12k_copy_regd(struct ieee80211_regdomain *regd_orig, int ath12k_regd_update(struct ath12k *ar, bool init) { + u32 phy_id, freq_low = 0, freq_high = 0, supported_bands, band; + struct ath12k_wmi_hal_reg_capabilities_ext_arg *reg_cap; struct ath12k_hw *ah = ath12k_ar_to_ah(ar); struct ieee80211_hw *hw = ah->hw; struct ieee80211_regdomain *regd, *regd_copy = NULL; @@ -255,6 +258,47 @@ int ath12k_regd_update(struct ath12k *ar, bool init) ab = ar->ab; + supported_bands = ar->pdev->cap.supported_bands; + if (supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { + band = NL80211_BAND_2GHZ; + } else if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP && !ar->supports_6ghz) { + band = NL80211_BAND_5GHZ; + } else if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP && ar->supports_6ghz) { + band = NL80211_BAND_6GHZ; + } else { + /* This condition is not expected. + */ + WARN_ON(1); + ret = -EINVAL; + goto err; + } + + reg_cap = &ab->hal_reg_cap[ar->pdev_idx]; + + if (ab->hw_params->single_pdev_only && !ar->supports_6ghz) { + phy_id = ar->pdev->cap.band[band].phy_id; + reg_cap = &ab->hal_reg_cap[phy_id]; + } + + /* Possible that due to reg change, current limits for supported + * frequency changed. Update that + */ + if (supported_bands & WMI_HOST_WLAN_2GHZ_CAP) { + freq_low = max(reg_cap->low_2ghz_chan, ab->reg_freq_2ghz.start_freq); + freq_high = min(reg_cap->high_2ghz_chan, ab->reg_freq_2ghz.end_freq); + } else if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP && !ar->supports_6ghz) { + freq_low = max(reg_cap->low_5ghz_chan, ab->reg_freq_5ghz.start_freq); + freq_high = min(reg_cap->high_5ghz_chan, ab->reg_freq_5ghz.end_freq); + } else if (supported_bands & WMI_HOST_WLAN_5GHZ_CAP && ar->supports_6ghz) { + freq_low = max(reg_cap->low_5ghz_chan, ab->reg_freq_6ghz.start_freq); + freq_high = min(reg_cap->high_5ghz_chan, ab->reg_freq_6ghz.end_freq); + } + + ath12k_mac_update_freq_range(ar, freq_low, freq_high); + + ath12k_dbg(ab, ATH12K_DBG_REG, "pdev %u reg updated freq limits %u->%u MHz\n", + ar->pdev->pdev_id, freq_low, freq_high); + /* If one of the radios within ah has already updated the regd for * the wiphy, then avoid setting regd again */ @@ -704,6 +748,16 @@ ath12k_reg_build_regd(struct ath12k_base *ab, "\r\nCountry %s, CFG Regdomain %s FW Regdomain %d, num_reg_rules %d\n", alpha2, ath12k_reg_get_regdom_str(tmp_regd->dfs_region), reg_info->dfs_region, num_rules); + + /* Reset start and end frequency for each band + */ + ab->reg_freq_5ghz.start_freq = INT_MAX; + ab->reg_freq_5ghz.end_freq = 0; + ab->reg_freq_2ghz.start_freq = INT_MAX; + ab->reg_freq_2ghz.end_freq = 0; + ab->reg_freq_6ghz.start_freq = INT_MAX; + ab->reg_freq_6ghz.end_freq = 0; + /* Update reg_rules[] below. Firmware is expected to * send these rules in order(2G rules first and then 5G) */ From cb7433cc5cd4d07175dbc41f5a19966e9fae48be Mon Sep 17 00:00:00 2001 From: Sarika Sharma Date: Fri, 11 Apr 2025 11:45:22 +0530 Subject: [PATCH 090/104] wifi: ath12k: using msdu end descriptor to check for rx multicast packets Currently, the RX multicast broadcast packet check is performed using bit 15 from the info6 field of the MPDU start descriptor. This check can also be done using bit 9 from the info5 field of the MSDU end descriptor. However, in some scenarios multicast bit is not set when fetched from MPDU start descriptor. Therefore, checking the RX multicast broadcast packet from the MSDU end descriptor is more reliable as it is per MSDU. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sarika Sharma Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411061523.859387-2-quic_sarishar@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/hal.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c index d00869a33fea..12d0f991a47f 100644 --- a/drivers/net/wireless/ath/ath12k/hal.c +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -449,8 +449,8 @@ static u8 *ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc) static bool ath12k_hw_qcn9274_rx_desc_is_da_mcbc(struct hal_rx_desc *desc) { - return __le32_to_cpu(desc->u.qcn9274.mpdu_start.info6) & - RX_MPDU_START_INFO6_MCAST_BCAST; + return __le16_to_cpu(desc->u.qcn9274.msdu_end.info5) & + RX_MSDU_END_INFO5_DA_IS_MCBC; } static void ath12k_hw_qcn9274_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, @@ -902,8 +902,8 @@ static u8 *ath12k_hw_qcn9274_compact_rx_desc_mpdu_start_addr2(struct hal_rx_desc static bool ath12k_hw_qcn9274_compact_rx_desc_is_da_mcbc(struct hal_rx_desc *desc) { - return __le32_to_cpu(desc->u.qcn9274_compact.mpdu_start.info6) & - RX_MPDU_START_INFO6_MCAST_BCAST; + return __le16_to_cpu(desc->u.qcn9274_compact.msdu_end.info5) & + RX_MSDU_END_INFO5_DA_IS_MCBC; } static void ath12k_hw_qcn9274_compact_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, From 4541b0c8c3c1b85564971d497224e57cf8076a02 Mon Sep 17 00:00:00 2001 From: Sarika Sharma Date: Fri, 11 Apr 2025 11:45:23 +0530 Subject: [PATCH 091/104] wifi: ath12k: correctly handle mcast packets for clients Currently, RX is_mcbc bit is set for packets sent from client as destination address (DA) is multicast/broadcast address, but packets are actually unicast as receiver address (RA) is not multicast address. Hence, packets are not handled properly due to this is_mcbc bit. Therefore, reset the is_mcbc bit if interface type is AP. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Signed-off-by: Sarika Sharma Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250411061523.859387-3-quic_sarishar@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 5 +++++ drivers/net/wireless/ath/ath12k/peer.c | 5 ++++- drivers/net/wireless/ath/ath12k/peer.h | 3 ++- 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 37a82419aaf2..40feaa6d512d 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -2282,6 +2282,11 @@ static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, spin_lock_bh(&ar->ab->base_lock); peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu, rx_info); if (peer) { + /* resetting mcbc bit because mcbc packets are unicast + * packets only for AP as STA sends unicast packets. + */ + rxcb->is_mcbc = rxcb->is_mcbc && !peer->ucast_ra_only; + if (rxcb->is_mcbc) enctype = peer->sec_type_grp; else diff --git a/drivers/net/wireless/ath/ath12k/peer.c b/drivers/net/wireless/ath/ath12k/peer.c index 792cca8a3fb1..ec7236bbccc0 100644 --- a/drivers/net/wireless/ath/ath12k/peer.c +++ b/drivers/net/wireless/ath/ath12k/peer.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2022, 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "core.h" @@ -383,6 +383,9 @@ int ath12k_peer_create(struct ath12k *ar, struct ath12k_link_vif *arvif, arvif->ast_idx = peer->hw_peer_id; } + if (vif->type == NL80211_IFTYPE_AP) + peer->ucast_ra_only = true; + if (sta) { ahsta = ath12k_sta_to_ahsta(sta); arsta = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy, diff --git a/drivers/net/wireless/ath/ath12k/peer.h b/drivers/net/wireless/ath/ath12k/peer.h index 5870ee11a8c7..f3a5e054d2b5 100644 --- a/drivers/net/wireless/ath/ath12k/peer.h +++ b/drivers/net/wireless/ath/ath12k/peer.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_PEER_H @@ -62,6 +62,7 @@ struct ath12k_peer { /* for reference to ath12k_link_sta */ u8 link_id; + bool ucast_ra_only; }; struct ath12k_ml_peer { From 9f17747fbda6fca934854463873c4abf8061491d Mon Sep 17 00:00:00 2001 From: Sarika Sharma Date: Tue, 8 Apr 2025 10:23:27 +0530 Subject: [PATCH 092/104] wifi: ath12k: fix invalid access to memory In ath12k_dp_rx_msdu_coalesce(), rxcb is fetched from skb and boolean is_continuation is part of rxcb. Currently, after freeing the skb, the rxcb->is_continuation accessed again which is wrong since the memory is already freed. This might lead use-after-free error. Hence, fix by locally defining bool is_continuation from rxcb, so that after freeing skb, is_continuation can be used. Compile tested only. Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Sarika Sharma Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250408045327.1632222-1-quic_sarishar@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 40feaa6d512d..3db1470109ca 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -1841,6 +1841,7 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar, struct hal_rx_desc *ldesc; int space_extra, rem_len, buf_len; u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; + bool is_continuation; /* As the msdu is spread across multiple rx buffers, * find the offset to the start of msdu for computing @@ -1889,7 +1890,8 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar, rem_len = msdu_len - buf_first_len; while ((skb = __skb_dequeue(msdu_list)) != NULL && rem_len > 0) { rxcb = ATH12K_SKB_RXCB(skb); - if (rxcb->is_continuation) + is_continuation = rxcb->is_continuation; + if (is_continuation) buf_len = DP_RX_BUFFER_SIZE - hal_rx_desc_sz; else buf_len = rem_len; @@ -1907,7 +1909,7 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar, dev_kfree_skb_any(skb); rem_len -= buf_len; - if (!rxcb->is_continuation) + if (!is_continuation) break; } From 763216fe6c5df95d122c71ef34c342427c987820 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 16 Apr 2025 07:49:03 +0530 Subject: [PATCH 093/104] wifi: ath12k: Add MSDU length validation for TKIP MIC error In the WBM error path, while processing TKIP MIC errors, MSDU length is fetched from the hal_rx_desc's msdu_end. This MSDU length is directly passed to skb_put() without validation. In stress test scenarios, the WBM error ring may receive invalid descriptors, which could lead to an invalid MSDU length. To fix this, add a check to drop the skb when the calculated MSDU length is greater than the skb size. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: P Praneesh Signed-off-by: Nithyanantham Paramasivam Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250416021903.3178962-1-nithyanantham.paramasivam@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 3db1470109ca..3e4dd9d2b6af 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -3876,6 +3876,15 @@ static bool ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu, l3pad_bytes = ath12k_dp_rx_h_l3pad(ab, desc); msdu_len = ath12k_dp_rx_h_msdu_len(ab, desc); + + if ((hal_rx_desc_sz + l3pad_bytes + msdu_len) > DP_RX_BUFFER_SIZE) { + ath12k_dbg(ab, ATH12K_DBG_DATA, + "invalid msdu len in tkip mic err %u\n", msdu_len); + ath12k_dbg_dump(ab, ATH12K_DBG_DATA, NULL, "", desc, + sizeof(*desc)); + return true; + } + skb_put(msdu, hal_rx_desc_sz + l3pad_bytes + msdu_len); skb_pull(msdu, hal_rx_desc_sz + l3pad_bytes); From f335295aa29c2198d3aa02366e7c42cb2e4f7c99 Mon Sep 17 00:00:00 2001 From: Wen Gong Date: Tue, 8 Apr 2025 13:39:48 +0800 Subject: [PATCH 094/104] wifi: ath12k: avoid deadlock during regulatory update in ath12k_regd_update() Running this test in a loop it is easy to reproduce an rtnl deadlock: iw reg set FI ifconfig wlan0 down What happens is that thread A (workqueue) tries to update the regulatory: try to acquire the rtnl_lock of ar->regd_update_work rtnl_lock ath12k_regd_update [ath12k] ath12k_regd_update_work [ath12k] process_one_work worker_thread kthread ret_from_fork And thread B (ifconfig) tries to stop the interface: try to cancel_work_sync(&ar->regd_update_work) in ath12k_mac_op_stop(). ifconfig 3109 [003] 2414.232506: probe: ath12k_mac_op_stop [ath12k] drv_stop [mac80211] ieee80211_do_stop [mac80211] ieee80211_stop [mac80211] The sequence of deadlock is: 1. Thread B calls rtnl_lock(). 2. Thread A starts to run and calls rtnl_lock() from within ath12k_regd_update_work(), then enters wait state because the lock is owned by thread B. 3. Thread B tries to call cancel_work_sync(&ar->regd_update_work), but thread A is in ath12k_regd_update_work() waiting for rtnl_lock(). So cancel_work_sync() forever waits for ath12k_regd_update_work() to finish and we have a deadlock. Change to use regulatory_set_wiphy_regd(), which is the asynchronous version of regulatory_set_wiphy_regd_sync(). This way rtnl & wiphy locks are not required so can be removed, and in the end the deadlock issue can be avoided. But a side effect introduced by the asynchronous regd update is that, some essential information used in ath12k_reg_update_chan_list(), which would be called later in ath12k_regd_update(), might has not been updated by cfg80211, as a result wrong channel parameters sent to firmware. To handle this side effect, move ath12k_reg_update_chan_list() to ath12k_reg_notifier(), and advertise WIPHY_FLAG_NOTIFY_REGDOM_BY_DRIVER to cfg80211. This works because, in the process of the asynchronous regd update, after the new regd is processed, cfg80211 will notify ath12k by calling ath12k_reg_notifier(). Since all essential information is updated at that time, we are good to do channel list update. Please note ath12k_reg_notifier() could also be called due to other reasons, like core/beacon/user hints etc. For them we are not allowed to call ath12k_reg_update_chan_list() because regd has not been updated. This is done by verifying the initiator. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Wen Gong Co-developed-by: Baochen Qiang Signed-off-by: Baochen Qiang Acked-by: Jeff Johnson Reviewed-by: Aditya Kumar Singh Link: https://patch.msgid.link/20250408-rtnl-deadlock-v3-1-fdc12bc511ea@quicinc.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/reg.c | 36 ++++++++++++++++----------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/reg.c b/drivers/net/wireless/ath/ath12k/reg.c index 9d188e1037a6..7048834e0d14 100644 --- a/drivers/net/wireless/ath/ath12k/reg.c +++ b/drivers/net/wireless/ath/ath12k/reg.c @@ -57,6 +57,24 @@ ath12k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) ath12k_dbg(ar->ab, ATH12K_DBG_REG, "Regulatory Notification received for %s\n", wiphy_name(wiphy)); + if (request->initiator == NL80211_REGDOM_SET_BY_DRIVER) { + ath12k_dbg(ar->ab, ATH12K_DBG_REG, + "driver initiated regd update\n"); + if (ah->state != ATH12K_HW_STATE_ON) + return; + + for_each_ar(ah, ar, i) { + ret = ath12k_reg_update_chan_list(ar, true); + if (ret) { + ath12k_warn(ar->ab, + "failed to update chan list for pdev %u, ret %d\n", + i, ret); + break; + } + } + return; + } + /* Currently supporting only General User Hints. Cell base user * hints to be handled later. * Hints from other sources like Core, Beacons are not expected for @@ -254,7 +272,6 @@ int ath12k_regd_update(struct ath12k *ar, bool init) struct ieee80211_regdomain *regd, *regd_copy = NULL; int ret, regd_len, pdev_id; struct ath12k_base *ab; - int i; ab = ar->ab; @@ -359,11 +376,7 @@ int ath12k_regd_update(struct ath12k *ar, bool init) goto err; } - rtnl_lock(); - wiphy_lock(hw->wiphy); - ret = regulatory_set_wiphy_regd_sync(hw->wiphy, regd_copy); - wiphy_unlock(hw->wiphy); - rtnl_unlock(); + ret = regulatory_set_wiphy_regd(hw->wiphy, regd_copy); kfree(regd_copy); @@ -374,15 +387,7 @@ int ath12k_regd_update(struct ath12k *ar, bool init) goto skip; ah->regd_updated = true; - /* Apply the new regd to all the radios, this is expected to be received only once - * since we check for ah->regd_updated and allow here only once. - */ - for_each_ar(ah, ar, i) { - ab = ar->ab; - ret = ath12k_reg_update_chan_list(ar, true); - if (ret) - goto err; - } + skip: return 0; err: @@ -877,6 +882,7 @@ void ath12k_regd_update_work(struct work_struct *work) void ath12k_reg_init(struct ieee80211_hw *hw) { hw->wiphy->regulatory_flags = REGULATORY_WIPHY_SELF_MANAGED; + hw->wiphy->flags |= WIPHY_FLAG_NOTIFY_REGDOM_BY_DRIVER; hw->wiphy->reg_notifier = ath12k_reg_notifier; } From 25be5d1d1e050f45f4d52b2cf9c8e4b6382075cf Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Wed, 9 Apr 2025 10:56:47 +0530 Subject: [PATCH 095/104] wifi: ath12k: Avoid allocating rx_stats when ext_rx_stats is disabled Currently, driver allocates the struct ath12k_rx_peer_stats for each station regardless of whether ext_rx_stats is enabled. This structure is populated by the monitor destination ring for both single-user and multi-user scenarios when ext_rx_stats is enabled. However, when ext_rx_stats is disabled, this allocation is unnecessary and results in additional memory consumption. To address this issue, allocate the struct ath12k_rx_peer_stats only when ext_rx_stats is enabled through debugfs. This change prevents unnecessary memory allocation. Additionally, ensure that the station dump RSSI is updated irrespective of the ext_rx_stats enablement. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: P Praneesh Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250409052647.81955-1-praneesh.p@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_mon.c | 13 +++++-------- drivers/net/wireless/ath/ath12k/mac.c | 2 +- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index 210fda4af5d0..17117315ec7b 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -3205,11 +3205,10 @@ static void ath12k_dp_mon_rx_update_peer_su_stats(struct ath12k *ar, struct ath12k_rx_peer_stats *rx_stats = arsta->rx_stats; u32 num_msdu; - if (!rx_stats) - return; - arsta->rssi_comb = ppdu_info->rssi_comb; ewma_avg_rssi_add(&arsta->avg_rssi, ppdu_info->rssi_comb); + if (!rx_stats) + return; num_msdu = ppdu_info->tcp_msdu_count + ppdu_info->tcp_ack_msdu_count + ppdu_info->udp_msdu_count + ppdu_info->other_msdu_count; @@ -3382,13 +3381,11 @@ ath12k_dp_mon_rx_update_user_stats(struct ath12k *ar, ahsta = ath12k_sta_to_ahsta(peer->sta); arsta = &ahsta->deflink; - rx_stats = arsta->rx_stats; - - if (!rx_stats) - return; - arsta->rssi_comb = ppdu_info->rssi_comb; ewma_avg_rssi_add(&arsta->avg_rssi, ppdu_info->rssi_comb); + rx_stats = arsta->rx_stats; + if (!rx_stats) + return; num_msdu = user_stats->tcp_msdu_count + user_stats->tcp_ack_msdu_count + user_stats->udp_msdu_count + user_stats->other_msdu_count; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 6e4619e5cdf1..f83783bded86 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -5620,7 +5620,7 @@ static int ath12k_mac_station_add(struct ath12k *ar, goto exit; } - if (!arsta->rx_stats) { + if (ath12k_debugfs_is_extd_rx_stats_enabled(ar) && !arsta->rx_stats) { arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL); if (!arsta->rx_stats) { ret = -ENOMEM; From 8599d4cc4191c8c1af34207a8b9414acca4afb59 Mon Sep 17 00:00:00 2001 From: Ramasamy Kaliappan Date: Wed, 16 Apr 2025 00:11:02 +0530 Subject: [PATCH 096/104] wifi: ath12k: Fix the QoS control field offset to build QoS header Currently, in the mac80211 layer, received EAPOL packets are dropped when the HT control field is present in the QoS header. This issue arises due to an incorrect QoS control field offset used to build the QoS header in the MSDU data, leading to a corrupted header in the mac80211 layer. This issue also applies to other frames that contain the QoS control field, such as QoS data or Null frames. To resolve this, use ieee80211_get_qos_ctl() to obtain the correct QoS control offset from the MSDU data. Additionally, ensure the QoS control header is copied in little-endian format within the MSDU data. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Ramasamy Kaliappan Signed-off-by: Nithyanantham Paramasivam Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250415184102.2707300-1-nithyanantham.paramasivam@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 3e4dd9d2b6af..8193f95b13da 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -2137,7 +2137,7 @@ static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar, struct ath12k_base *ab = ar->ab; size_t hdr_len, crypto_len; struct ieee80211_hdr hdr; - u16 qos_ctl; + __le16 qos_ctl; u8 *crypto_hdr, mesh_ctrl; ath12k_dp_rx_desc_get_dot11_hdr(ab, rx_desc, &hdr); @@ -2158,13 +2158,13 @@ static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar, /* Add QOS header */ if (ieee80211_is_data_qos(hdr.frame_control)) { - qos_ctl = rxcb->tid; - if (mesh_ctrl) - qos_ctl |= IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT; + struct ieee80211_hdr *qos_ptr = (struct ieee80211_hdr *)msdu->data; - /* TODO: Add other QoS ctl fields when required */ - memcpy(msdu->data + (hdr_len - IEEE80211_QOS_CTL_LEN), - &qos_ctl, IEEE80211_QOS_CTL_LEN); + qos_ctl = cpu_to_le16(rxcb->tid & IEEE80211_QOS_CTL_TID_MASK); + if (mesh_ctrl) + qos_ctl |= cpu_to_le16(IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT); + + memcpy(ieee80211_get_qos_ctl(qos_ptr), &qos_ctl, IEEE80211_QOS_CTL_LEN); } } From f5d6b15d9503263d9425dcde9cc2fd401a32b0f2 Mon Sep 17 00:00:00 2001 From: Rameshkumar Sundaram Date: Wed, 16 Apr 2025 01:28:11 +0530 Subject: [PATCH 097/104] wifi: ath12k: fix wrong handling of CCMP256 and GCMP ciphers Currently for CCMP256, GCMP128 and GCMP256 ciphers, in ath12k_install_key() IEEE80211_KEY_FLAG_GENERATE_IV_MGMT is not set and in ath12k_mac_mgmt_tx_wmi() a length of IEEE80211_CCMP_MIC_LEN is reserved for all ciphers. This results in unexpected drop of protected management frames in case either of above 3 ciphers is used. The reason is, without IEEE80211_KEY_FLAG_GENERATE_IV_MGMT set, mac80211 will not generate CCMP/GCMP headers in TX frame for ath12k. Also MIC length reserved is wrong and such frames are dropped by hardware. Fix this by setting IEEE80211_KEY_FLAG_GENERATE_IV_MGMT flag for above ciphers and by reserving proper MIC length for those ciphers. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Rameshkumar Sundaram Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250415195812.2633923-2-rameshkumar.sundaram@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/dp_rx.c | 3 +-- drivers/net/wireless/ath/ath12k/dp_rx.h | 3 +++ drivers/net/wireless/ath/ath12k/mac.c | 16 ++++++++++------ 3 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 8193f95b13da..a9ac9daa4554 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -1941,8 +1941,7 @@ static void ath12k_dp_rx_h_csum_offload(struct sk_buff *msdu, CHECKSUM_NONE : CHECKSUM_UNNECESSARY; } -static int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, - enum hal_encrypt_type enctype) +int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, enum hal_encrypt_type enctype) { switch (enctype) { case HAL_ENCRYPT_TYPE_OPEN: diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.h b/drivers/net/wireless/ath/ath12k/dp_rx.h index 19fb41e1c32b..f5c05f17813b 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.h +++ b/drivers/net/wireless/ath/ath12k/dp_rx.h @@ -163,4 +163,7 @@ int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len, void *data); void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, struct hal_rx_desc *rx_desc, struct ath12k_dp_rx_info *rx_info); + +int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, enum hal_encrypt_type enctype); + #endif /* ATH12K_DP_RX_H */ diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index f83783bded86..6a9a5b8ff20c 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -4719,8 +4719,8 @@ static int ath12k_install_key(struct ath12k_link_vif *arvif, switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: arg.key_cipher = WMI_CIPHER_AES_CCM; - /* TODO: Re-check if flag is valid */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; break; case WLAN_CIPHER_SUITE_TKIP: @@ -4728,12 +4728,10 @@ static int ath12k_install_key(struct ath12k_link_vif *arvif, arg.key_txmic_len = 8; arg.key_rxmic_len = 8; break; - case WLAN_CIPHER_SUITE_CCMP_256: - arg.key_cipher = WMI_CIPHER_AES_CCM; - break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: arg.key_cipher = WMI_CIPHER_AES_GCM; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; break; default: ath12k_warn(ar->ab, "cipher %d is not supported\n", key->cipher); @@ -7153,6 +7151,8 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv struct ath12k_base *ab = ar->ab; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info; + enum hal_encrypt_type enctype; + unsigned int mic_len; dma_addr_t paddr; int buf_id; int ret; @@ -7168,12 +7168,16 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv return -ENOSPC; info = IEEE80211_SKB_CB(skb); - if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) { + if ((ATH12K_SKB_CB(skb)->flags & ATH12K_SKB_CIPHER_SET) && + !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) { if ((ieee80211_is_action(hdr->frame_control) || ieee80211_is_deauth(hdr->frame_control) || ieee80211_is_disassoc(hdr->frame_control)) && ieee80211_has_protected(hdr->frame_control)) { - skb_put(skb, IEEE80211_CCMP_MIC_LEN); + enctype = + ath12k_dp_tx_get_encrypt_type(ATH12K_SKB_CB(skb)->cipher); + mic_len = ath12k_dp_rx_crypto_mic_len(ar, enctype); + skb_put(skb, mic_len); } } From 0ca04ad0cdfb7ac2ebd79dcffebe4806e8707a74 Mon Sep 17 00:00:00 2001 From: Rameshkumar Sundaram Date: Wed, 16 Apr 2025 01:28:12 +0530 Subject: [PATCH 098/104] wifi: ath12k: avoid multiple skb_cb fetch in ath12k_mac_mgmt_tx_wmi() ath12k_mac_mgmt_tx_wmi() fetches ath12k's skb_cb space multiple times from TX skb which is redundant operation. Save the skb_cb in a local pointer and use the same instead. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Rameshkumar Sundaram Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250415195812.2633923-3-rameshkumar.sundaram@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 6a9a5b8ff20c..d170bca72948 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -7150,6 +7150,7 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv { struct ath12k_base *ab = ar->ab; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb); struct ieee80211_tx_info *info; enum hal_encrypt_type enctype; unsigned int mic_len; @@ -7159,7 +7160,7 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); - ATH12K_SKB_CB(skb)->ar = ar; + skb_cb->ar = ar; spin_lock_bh(&ar->txmgmt_idr_lock); buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0, ATH12K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC); @@ -7168,14 +7169,13 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv return -ENOSPC; info = IEEE80211_SKB_CB(skb); - if ((ATH12K_SKB_CB(skb)->flags & ATH12K_SKB_CIPHER_SET) && + if ((skb_cb->flags & ATH12K_SKB_CIPHER_SET) && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)) { if ((ieee80211_is_action(hdr->frame_control) || ieee80211_is_deauth(hdr->frame_control) || ieee80211_is_disassoc(hdr->frame_control)) && ieee80211_has_protected(hdr->frame_control)) { - enctype = - ath12k_dp_tx_get_encrypt_type(ATH12K_SKB_CB(skb)->cipher); + enctype = ath12k_dp_tx_get_encrypt_type(skb_cb->cipher); mic_len = ath12k_dp_rx_crypto_mic_len(ar, enctype); skb_put(skb, mic_len); } @@ -7188,7 +7188,7 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv goto err_free_idr; } - ATH12K_SKB_CB(skb)->paddr = paddr; + skb_cb->paddr = paddr; ret = ath12k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb); if (ret) { @@ -7199,7 +7199,7 @@ static int ath12k_mac_mgmt_tx_wmi(struct ath12k *ar, struct ath12k_link_vif *arv return 0; err_unmap_buf: - dma_unmap_single(ab->dev, ATH12K_SKB_CB(skb)->paddr, + dma_unmap_single(ab->dev, skb_cb->paddr, skb->len, DMA_TO_DEVICE); err_free_idr: spin_lock_bh(&ar->txmgmt_idr_lock); From e9e094a9734ea3bd4d4d117c915ccf129ac61ba1 Mon Sep 17 00:00:00 2001 From: Maharaja Kennadyrajan Date: Wed, 16 Apr 2025 07:34:14 +0530 Subject: [PATCH 099/104] wifi: ath12k: Prevent sending WMI commands to firmware during firmware crash Currently, we encounter the following kernel call trace when a firmware crash occurs. This happens because the host sends WMI commands to the firmware while it is in recovery, causing the commands to fail and resulting in the kernel call trace. Set the ATH12K_FLAG_CRASH_FLUSH and ATH12K_FLAG_RECOVERY flags when the host driver receives the firmware crash notification from MHI. This prevents sending WMI commands to the firmware during recovery. Call Trace: dump_stack_lvl+0x75/0xc0 register_lock_class+0x6be/0x7a0 ? __lock_acquire+0x644/0x19a0 __lock_acquire+0x95/0x19a0 lock_acquire+0x265/0x310 ? ath12k_ce_send+0xa2/0x210 [ath12k] ? find_held_lock+0x34/0xa0 ? ath12k_ce_send+0x56/0x210 [ath12k] _raw_spin_lock_bh+0x33/0x70 ? ath12k_ce_send+0xa2/0x210 [ath12k] ath12k_ce_send+0xa2/0x210 [ath12k] ath12k_htc_send+0x178/0x390 [ath12k] ath12k_wmi_cmd_send_nowait+0x76/0xa0 [ath12k] ath12k_wmi_cmd_send+0x62/0x190 [ath12k] ath12k_wmi_pdev_bss_chan_info_request+0x62/0xc0 [ath1 ath12k_mac_op_get_survey+0x2be/0x310 [ath12k] ieee80211_dump_survey+0x99/0x240 [mac80211] nl80211_dump_survey+0xe7/0x470 [cfg80211] ? kmalloc_reserve+0x59/0xf0 genl_dumpit+0x24/0x70 netlink_dump+0x177/0x360 __netlink_dump_start+0x206/0x280 genl_family_rcv_msg_dumpit.isra.22+0x8a/0xe0 ? genl_family_rcv_msg_attrs_parse.isra.23+0xe0/0xe0 ? genl_op_lock.part.12+0x10/0x10 ? genl_dumpit+0x70/0x70 genl_rcv_msg+0x1d0/0x290 ? nl80211_del_station+0x330/0x330 [cfg80211] ? genl_get_cmd_both+0x50/0x50 netlink_rcv_skb+0x4f/0x100 genl_rcv+0x1f/0x30 netlink_unicast+0x1b6/0x260 netlink_sendmsg+0x31a/0x450 __sock_sendmsg+0xa8/0xb0 ____sys_sendmsg+0x1e4/0x260 ___sys_sendmsg+0x89/0xe0 ? local_clock_noinstr+0xb/0xc0 ? rcu_is_watching+0xd/0x40 ? kfree+0x1de/0x370 ? __sys_sendmsg+0x7a/0xc0 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Fixes: a9b46dd2e483 ("wifi: ath12k: Add firmware coredump collection support") Signed-off-by: Maharaja Kennadyrajan Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250416020414.2161545-1-maharaja.kennadyrajan@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mhi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mhi.c b/drivers/net/wireless/ath/ath12k/mhi.c index 9c929c4ad8a8..08f44baf182a 100644 --- a/drivers/net/wireless/ath/ath12k/mhi.c +++ b/drivers/net/wireless/ath/ath12k/mhi.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved. */ #include @@ -285,8 +285,11 @@ static void ath12k_mhi_op_status_cb(struct mhi_controller *mhi_cntrl, break; } - if (!(test_bit(ATH12K_FLAG_UNREGISTERING, &ab->dev_flags))) + if (!(test_bit(ATH12K_FLAG_UNREGISTERING, &ab->dev_flags))) { + set_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags); + set_bit(ATH12K_FLAG_RECOVERY, &ab->dev_flags); queue_work(ab->workqueue_aux, &ab->reset_work); + } break; default: break; From 823435bd23108d6f8be89ea2d025c0e2e3769c51 Mon Sep 17 00:00:00 2001 From: Maharaja Kennadyrajan Date: Wed, 16 Apr 2025 07:47:24 +0530 Subject: [PATCH 100/104] wifi: ath12k: fix node corruption in ar->arvifs list In current WLAN recovery code flow, ath12k_core_halt() only reinitializes the "arvifs" list head. This will cause the list node immediately following the list head to become an invalid list node. Because the prev of that node still points to the list head "arvifs", but the next of the list head "arvifs" no longer points to that list node. When a WLAN recovery occurs during the execution of a vif removal, and it happens before the spin_lock_bh(&ar->data_lock) in ath12k_mac_vdev_delete(), list_del() will detect the previously mentioned situation, thereby triggering a kernel panic. The fix is to remove and reinitialize all vif list nodes from the list head "arvifs" during WLAN halt. The reinitialization is to make the list nodes valid, ensuring that the list_del() in ath12k_mac_vdev_delete() can execute normally. Call trace: __list_del_entry_valid_or_report+0xd4/0x100 (P) ath12k_mac_remove_link_interface.isra.0+0xf8/0x2e4 [ath12k] ath12k_scan_vdev_clean_work+0x40/0x164 [ath12k] cfg80211_wiphy_work+0xfc/0x100 process_one_work+0x164/0x2d0 worker_thread+0x254/0x380 kthread+0xfc/0x100 ret_from_fork+0x10/0x20 The change is mostly copied from the ath11k patch: https://lore.kernel.org/all/20250320053145.3445187-1-quic_stonez@quicinc.com/ Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Maharaja Kennadyrajan Reviewed-by: Vasanthakumar Thiagarajan Link: https://patch.msgid.link/20250416021724.2162519-1-maharaja.kennadyrajan@oss.qualcomm.com Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index b501d722df31..7eccd9cf9036 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -1371,6 +1371,7 @@ static void ath12k_rfkill_work(struct work_struct *work) void ath12k_core_halt(struct ath12k *ar) { + struct list_head *pos, *n; struct ath12k_base *ab = ar->ab; lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); @@ -1387,7 +1388,12 @@ void ath12k_core_halt(struct ath12k *ar) rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); synchronize_rcu(); - INIT_LIST_HEAD(&ar->arvifs); + + spin_lock_bh(&ar->data_lock); + list_for_each_safe(pos, n, &ar->arvifs) + list_del_init(pos); + spin_unlock_bh(&ar->data_lock); + idr_init(&ar->txmgmt_idr); } From 8add2b8d72722b60c749b559db2a2aef6c9def68 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Thu, 17 Apr 2025 15:19:07 +0200 Subject: [PATCH 101/104] wifi: ath10k: Don't use %pK through printk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In the past %pK was preferable to %p as it would not leak raw pointer values into the kernel log. Since commit ad67b74d2469 ("printk: hash addresses printed with %p") the regular %p has been improved to avoid this issue. Furthermore, restricted pointers ("%pK") were never meant to be used through printk(). They can still unintentionally leak raw pointers or acquire sleeping looks in atomic contexts. Switch to the regular pointer formatting which is safer and easier to reason about. There are still a few users of %pK left, but these use it through seq_file, for which its usage is safe. Signed-off-by: Thomas Weißschuh Reviewed-by: Aleksandr Loktionov Link: https://patch.msgid.link/20250417-restricted-pointers-ath-v1-1-4e9a04dbe362@linutronix.de Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath10k/ahb.c | 2 +- drivers/net/wireless/ath/ath10k/bmi.c | 6 +++--- drivers/net/wireless/ath/ath10k/ce.c | 4 ++-- drivers/net/wireless/ath/ath10k/core.c | 4 ++-- drivers/net/wireless/ath/ath10k/htc.c | 6 +++--- drivers/net/wireless/ath/ath10k/htt_rx.c | 2 +- drivers/net/wireless/ath/ath10k/mac.c | 22 +++++++++++----------- drivers/net/wireless/ath/ath10k/pci.c | 2 +- drivers/net/wireless/ath/ath10k/testmode.c | 4 ++-- drivers/net/wireless/ath/ath10k/txrx.c | 2 +- drivers/net/wireless/ath/ath10k/usb.c | 4 ++-- drivers/net/wireless/ath/ath10k/wmi.c | 4 ++-- 12 files changed, 31 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c index db9f9ebcb62d..eb8b35b6224d 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.c +++ b/drivers/net/wireless/ath/ath10k/ahb.c @@ -497,7 +497,7 @@ static int ath10k_ahb_resource_init(struct ath10k *ar) ath10k_dbg(ar, ATH10K_DBG_BOOT, "irq: %d\n", ar_ahb->irq); - ath10k_dbg(ar, ATH10K_DBG_BOOT, "mem: 0x%pK mem_len: %lu gcc mem: 0x%pK tcsr_mem: 0x%pK\n", + ath10k_dbg(ar, ATH10K_DBG_BOOT, "mem: 0x%p mem_len: %lu gcc mem: 0x%p tcsr_mem: 0x%p\n", ar_ahb->mem, ar_ahb->mem_len, ar_ahb->gcc_mem, ar_ahb->tcsr_mem); return 0; diff --git a/drivers/net/wireless/ath/ath10k/bmi.c b/drivers/net/wireless/ath/ath10k/bmi.c index 9a4f8e815412..48efdc71d54d 100644 --- a/drivers/net/wireless/ath/ath10k/bmi.c +++ b/drivers/net/wireless/ath/ath10k/bmi.c @@ -349,7 +349,7 @@ static int ath10k_bmi_lz_data_large(struct ath10k *ar, const void *buffer, u32 l int ret; size_t buf_len; - ath10k_dbg(ar, ATH10K_DBG_BMI, "large bmi lz data buffer 0x%pK length %d\n", + ath10k_dbg(ar, ATH10K_DBG_BMI, "large bmi lz data buffer 0x%p length %d\n", buffer, length); if (ar->bmi.done_sent) { @@ -395,7 +395,7 @@ int ath10k_bmi_lz_data(struct ath10k *ar, const void *buffer, u32 length) u32 txlen; int ret; - ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi lz data buffer 0x%pK length %d\n", + ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi lz data buffer 0x%p length %d\n", buffer, length); if (ar->bmi.done_sent) { @@ -461,7 +461,7 @@ int ath10k_bmi_fast_download(struct ath10k *ar, int ret; ath10k_dbg(ar, ATH10K_DBG_BMI, - "bmi fast download address 0x%x buffer 0x%pK length %d\n", + "bmi fast download address 0x%x buffer 0x%p length %d\n", address, buffer, length); ret = ath10k_bmi_lz_stream_start(ar, address); diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index afae4a8027f8..4fc81ae17a8a 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -1388,7 +1388,7 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar, ath10k_ce_src_ring_highmark_set(ar, ctrl_addr, nentries); ath10k_dbg(ar, ATH10K_DBG_BOOT, - "boot init ce src ring id %d entries %d base_addr %pK\n", + "boot init ce src ring id %d entries %d base_addr %p\n", ce_id, nentries, src_ring->base_addr_owner_space); return 0; @@ -1426,7 +1426,7 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar, ath10k_ce_dest_ring_highmark_set(ar, ctrl_addr, nentries); ath10k_dbg(ar, ATH10K_DBG_BOOT, - "boot ce dest ring id %d entries %d base_addr %pK\n", + "boot ce dest ring id %d entries %d base_addr %p\n", ce_id, nentries, dest_ring->base_addr_owner_space); return 0; diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 6d336e39d673..fe3a8f4a1cc1 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1200,7 +1200,7 @@ static int ath10k_download_fw(struct ath10k *ar) } ath10k_dbg(ar, ATH10K_DBG_BOOT, - "boot uploading firmware image %pK len %d\n", + "boot uploading firmware image %p len %d\n", data, data_len); /* Check if device supports to download firmware via @@ -1826,7 +1826,7 @@ static int ath10k_download_and_run_otp(struct ath10k *ar) if (!ar->running_fw->fw_file.otp_data || !ar->running_fw->fw_file.otp_len) { - ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n", + ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n", ar->running_fw->fw_file.otp_data, ar->running_fw->fw_file.otp_len); return 0; diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c index a6e21ce90bad..2da08dfebd3e 100644 --- a/drivers/net/wireless/ath/ath10k/htc.c +++ b/drivers/net/wireless/ath/ath10k/htc.c @@ -34,7 +34,7 @@ static struct sk_buff *ath10k_htc_build_tx_ctrl_skb(void *ar) skb_cb = ATH10K_SKB_CB(skb); memset(skb_cb, 0, sizeof(*skb_cb)); - ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: skb %pK\n", __func__, skb); + ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: skb %p\n", __func__, skb); return skb; } @@ -54,7 +54,7 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep, struct ath10k *ar = ep->htc->ar; struct ath10k_htc_hdr *hdr; - ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %pK\n", __func__, + ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %p\n", __func__, ep->eid, skb); /* A corner case where the copy completion is reaching to host but still @@ -515,7 +515,7 @@ void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb) /* zero length packet with trailer data, just drop these */ goto out; - ath10k_dbg(ar, ATH10K_DBG_HTC, "htc rx completion ep %d skb %pK\n", + ath10k_dbg(ar, ATH10K_DBG_HTC, "htc rx completion ep %d skb %p\n", eid, skb); ep->ep_ops.ep_rx_complete(ar, skb); diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 7d28ae5453cf..165c443cdd8e 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1373,7 +1373,7 @@ static void ath10k_process_rx(struct ath10k *ar, struct sk_buff *skb) } ath10k_dbg(ar, ATH10K_DBG_DATA, - "rx skb %pK len %u peer %pM %s %s sn %u %s%s%s%s%s%s %srate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n", + "rx skb %p len %u peer %pM %s %s sn %u %s%s%s%s%s%s %srate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n", skb, skb->len, ieee80211_get_SA(hdr), diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index c61b95a928da..8c7ffea0fa44 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -875,7 +875,7 @@ static void ath10k_peer_map_cleanup(struct ath10k *ar, struct ath10k_peer *peer) */ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { if (ar->peer_map[i] == peer) { - ath10k_warn(ar, "removing stale peer_map entry for %pM (ptr %pK idx %d)\n", + ath10k_warn(ar, "removing stale peer_map entry for %pM (ptr %p idx %d)\n", peer->addr, peer, i); ar->peer_map[i] = NULL; } @@ -4063,7 +4063,7 @@ static int ath10k_mac_tx(struct ath10k *ar, if (!noque_offchan && info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { if (!ath10k_mac_tx_frm_has_freq(ar)) { - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac queued offchannel skb %pK len %d\n", + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac queued offchannel skb %p len %d\n", skb, skb->len); skb_queue_tail(&ar->offchan_tx_queue, skb); @@ -4126,7 +4126,7 @@ void ath10k_offchan_tx_work(struct work_struct *work) mutex_lock(&ar->conf_mutex); - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %pK len %d\n", + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p len %d\n", skb, skb->len); hdr = (struct ieee80211_hdr *)skb->data; @@ -4181,7 +4181,7 @@ void ath10k_offchan_tx_work(struct work_struct *work) time_left = wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ); if (time_left == 0) - ath10k_warn(ar, "timed out waiting for offchannel skb %pK, len: %d\n", + ath10k_warn(ar, "timed out waiting for offchannel skb %p, len: %d\n", skb, skb->len); if (!peer && tmp_peer_created) { @@ -7604,7 +7604,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, * Existing station deletion. */ ath10k_dbg(ar, ATH10K_DBG_STA, - "mac vdev %d peer delete %pM sta %pK (sta gone)\n", + "mac vdev %d peer delete %pM sta %p (sta gone)\n", arvif->vdev_id, sta->addr, sta); if (sta->tdls) { @@ -7631,7 +7631,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, continue; if (peer->sta == sta) { - ath10k_warn(ar, "found sta peer %pM (ptr %pK id %d) entry on vdev %i after it was supposedly removed\n", + ath10k_warn(ar, "found sta peer %pM (ptr %p id %d) entry on vdev %i after it was supposedly removed\n", sta->addr, peer, i, arvif->vdev_id); peer->sta = NULL; @@ -8811,7 +8811,7 @@ ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw, struct ath10k *ar = hw->priv; ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac chanctx add freq %u width %d ptr %pK\n", + "mac chanctx add freq %u width %d ptr %p\n", ctx->def.chan->center_freq, ctx->def.width, ctx); mutex_lock(&ar->conf_mutex); @@ -8835,7 +8835,7 @@ ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw, struct ath10k *ar = hw->priv; ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac chanctx remove freq %u width %d ptr %pK\n", + "mac chanctx remove freq %u width %d ptr %p\n", ctx->def.chan->center_freq, ctx->def.width, ctx); mutex_lock(&ar->conf_mutex); @@ -8900,7 +8900,7 @@ ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac chanctx change freq %u width %d ptr %pK changed %x\n", + "mac chanctx change freq %u width %d ptr %p changed %x\n", ctx->def.chan->center_freq, ctx->def.width, ctx, changed); /* This shouldn't really happen because channel switching should use @@ -8959,7 +8959,7 @@ ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac chanctx assign ptr %pK vdev_id %i\n", + "mac chanctx assign ptr %p vdev_id %i\n", ctx, arvif->vdev_id); if (WARN_ON(arvif->is_started)) { @@ -9039,7 +9039,7 @@ ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac chanctx unassign ptr %pK vdev_id %i\n", + "mac chanctx unassign ptr %p vdev_id %i\n", ctx, arvif->vdev_id); WARN_ON(!arvif->is_started); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index c52a16f8078f..ce7383b85200 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3411,7 +3411,7 @@ static int ath10k_pci_claim(struct ath10k *ar) goto err_region; } - ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot pci_mem 0x%pK\n", ar_pci->mem); + ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot pci_mem 0x%p\n", ar_pci->mem); return 0; err_region: diff --git a/drivers/net/wireless/ath/ath10k/testmode.c b/drivers/net/wireless/ath/ath10k/testmode.c index 7a9b9bbcdbfc..3fcefc55b74f 100644 --- a/drivers/net/wireless/ath/ath10k/testmode.c +++ b/drivers/net/wireless/ath/ath10k/testmode.c @@ -35,7 +35,7 @@ bool ath10k_tm_event_wmi(struct ath10k *ar, u32 cmd_id, struct sk_buff *skb) int ret; ath10k_dbg(ar, ATH10K_DBG_TESTMODE, - "testmode event wmi cmd_id %d skb %pK skb->len %d\n", + "testmode event wmi cmd_id %d skb %p skb->len %d\n", cmd_id, skb, skb->len); ath10k_dbg_dump(ar, ATH10K_DBG_TESTMODE, NULL, "", skb->data, skb->len); @@ -397,7 +397,7 @@ static int ath10k_tm_cmd_wmi(struct ath10k *ar, struct nlattr *tb[]) cmd_id = nla_get_u32(tb[ATH10K_TM_ATTR_WMI_CMDID]); ath10k_dbg(ar, ATH10K_DBG_TESTMODE, - "testmode cmd wmi cmd_id %d buf %pK buf_len %d\n", + "testmode cmd wmi cmd_id %d buf %p buf_len %d\n", cmd_id, buf, buf_len); ath10k_dbg_dump(ar, ATH10K_DBG_TESTMODE, NULL, "", buf, buf_len); diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c index da3bc35e41aa..493bfb410aff 100644 --- a/drivers/net/wireless/ath/ath10k/txrx.c +++ b/drivers/net/wireless/ath/ath10k/txrx.c @@ -35,7 +35,7 @@ static void ath10k_report_offchan_tx(struct ath10k *ar, struct sk_buff *skb) complete(&ar->offchan_tx_completed); ar->offchan_tx_skb = NULL; /* just for sanity */ - ath10k_dbg(ar, ATH10K_DBG_HTT, "completed offchannel skb %pK\n", skb); + ath10k_dbg(ar, ATH10K_DBG_HTT, "completed offchannel skb %p\n", skb); out: spin_unlock_bh(&ar->data_lock); } diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c index 3b51b7f52130..1732a4f98418 100644 --- a/drivers/net/wireless/ath/ath10k/usb.c +++ b/drivers/net/wireless/ath/ath10k/usb.c @@ -131,7 +131,7 @@ static void ath10k_usb_recv_complete(struct urb *urb) int status = 0; ath10k_dbg(ar, ATH10K_DBG_USB_BULK, - "usb recv pipe %d stat %d len %d urb 0x%pK\n", + "usb recv pipe %d stat %d len %d urb 0x%p\n", pipe->logical_pipe_num, urb->status, urb->actual_length, urb); @@ -230,7 +230,7 @@ static void ath10k_usb_post_recv_transfers(struct ath10k *ar, ath10k_usb_recv_complete, urb_context); ath10k_dbg(ar, ATH10K_DBG_USB_BULK, - "usb bulk recv submit %d 0x%x ep 0x%2.2x len %d buf 0x%pK\n", + "usb bulk recv submit %d 0x%x ep 0x%2.2x len %d buf 0x%p\n", recv_pipe->logical_pipe_num, recv_pipe->usb_pipe_handle, recv_pipe->ep_address, ATH10K_USB_RX_BUFFER_SIZE, urb_context->skb); diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 5e061f7525a6..df6a24f8f8d5 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2029,7 +2029,7 @@ ath10k_wmi_op_gen_mgmt_tx(struct ath10k *ar, struct sk_buff *msdu) ether_addr_copy(cmd->hdr.peer_macaddr.addr, ieee80211_get_DA(hdr)); memcpy(cmd->buf, msdu->data, msdu->len); - ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mgmt tx skb %pK len %d ftype %02x stype %02x\n", + ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mgmt tx skb %p len %d ftype %02x stype %02x\n", msdu, skb->len, fc & IEEE80211_FCTL_FTYPE, fc & IEEE80211_FCTL_STYPE); trace_ath10k_tx_hdr(ar, skb->data, skb->len); @@ -2637,7 +2637,7 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb) status->boottime_ns = ktime_get_boottime_ns(); ath10k_dbg(ar, ATH10K_DBG_MGMT, - "event mgmt rx skb %pK len %d ftype %02x stype %02x\n", + "event mgmt rx skb %p len %d ftype %02x stype %02x\n", skb, skb->len, fc & IEEE80211_FCTL_FTYPE, fc & IEEE80211_FCTL_STYPE); From 27c57c84922ef1dc72a2ea3a5427cdbaadc9be44 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Thu, 17 Apr 2025 15:19:08 +0200 Subject: [PATCH 102/104] wifi: ath11k: Don't use %pK through printk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In the past %pK was preferable to %p as it would not leak raw pointer values into the kernel log. Since commit ad67b74d2469 ("printk: hash addresses printed with %p") the regular %p has been improved to avoid this issue. Furthermore, restricted pointers ("%pK") were never meant to be used through printk(). They can still unintentionally leak raw pointers or acquire sleeping looks in atomic contexts. Switch to the regular pointer formatting which is safer and easier to reason about. There are still a few users of %pK left, but these use it through seq_file, for which its usage is safe. Signed-off-by: Thomas Weißschuh Reviewed-by: Aleksandr Loktionov Link: https://patch.msgid.link/20250417-restricted-pointers-ath-v1-2-4e9a04dbe362@linutronix.de Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath11k/testmode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/testmode.c b/drivers/net/wireless/ath/ath11k/testmode.c index 9be1cd742339..a9751ea2a0b7 100644 --- a/drivers/net/wireless/ath/ath11k/testmode.c +++ b/drivers/net/wireless/ath/ath11k/testmode.c @@ -107,7 +107,7 @@ static int ath11k_tm_process_event(struct ath11k_base *ab, u32 cmd_id, u32 pdev_id; ath11k_dbg(ab, ATH11K_DBG_TESTMODE, - "event wmi cmd_id %d ftm event msg %pK datalen %d\n", + "event wmi cmd_id %d ftm event msg %p datalen %d\n", cmd_id, ftm_msg, length); ath11k_dbg_dump(ab, ATH11K_DBG_TESTMODE, NULL, "", ftm_msg, length); pdev_id = DP_HW2SW_MACID(ftm_msg->seg_hdr.pdev_id); From 7e7f948c7d14ab5a6cfb26146a0d4734781903e3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Thu, 17 Apr 2025 15:19:09 +0200 Subject: [PATCH 103/104] wifi: ath12k: Don't use %pK through printk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In the past %pK was preferable to %p as it would not leak raw pointer values into the kernel log. Since commit ad67b74d2469 ("printk: hash addresses printed with %p") the regular %p has been improved to avoid this issue. Furthermore, restricted pointers ("%pK") were never meant to be used through printk(). They can still unintentionally leak raw pointers or acquire sleeping looks in atomic contexts. Switch to the regular pointer formatting which is safer and easier to reason about. There are still a few users of %pK left, but these use it through seq_file, for which its usage is safe. Signed-off-by: Thomas Weißschuh Reviewed-by: Aleksandr Loktionov Link: https://patch.msgid.link/20250417-restricted-pointers-ath-v1-3-4e9a04dbe362@linutronix.de Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/testmode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/testmode.c b/drivers/net/wireless/ath/ath12k/testmode.c index 18d56a976dc7..fb6af7ccf71f 100644 --- a/drivers/net/wireless/ath/ath12k/testmode.c +++ b/drivers/net/wireless/ath/ath12k/testmode.c @@ -97,7 +97,7 @@ void ath12k_tm_process_event(struct ath12k_base *ab, u32 cmd_id, u8 const *buf_pos; ath12k_dbg(ab, ATH12K_DBG_TESTMODE, - "testmode event wmi cmd_id %d ftm event msg %pK datalen %d\n", + "testmode event wmi cmd_id %d ftm event msg %p datalen %d\n", cmd_id, ftm_msg, length); ath12k_dbg_dump(ab, ATH12K_DBG_TESTMODE, NULL, "", ftm_msg, length); pdev_id = DP_HW2SW_MACID(le32_to_cpu(ftm_msg->seg_hdr.pdev_id)); @@ -227,7 +227,7 @@ static int ath12k_tm_cmd_process_ftm(struct ath12k *ar, struct nlattr *tb[]) buf_len = nla_len(tb[ATH_TM_ATTR_DATA]); cmd_id = WMI_PDEV_UTF_CMDID; ath12k_dbg(ar->ab, ATH12K_DBG_TESTMODE, - "testmode cmd wmi cmd_id %d buf %pK buf_len %d\n", + "testmode cmd wmi cmd_id %d buf %p buf_len %d\n", cmd_id, buf, buf_len); ath12k_dbg_dump(ar->ab, ATH12K_DBG_TESTMODE, NULL, "", buf, buf_len); bufpos = buf; From 75f90ba47b2cda7de7a7bc1d099172516f6f96fa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Thu, 17 Apr 2025 15:19:10 +0200 Subject: [PATCH 104/104] wifi: wcn36xx: Don't use %pK through printk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In the past %pK was preferable to %p as it would not leak raw pointer values into the kernel log. Since commit ad67b74d2469 ("printk: hash addresses printed with %p") the regular %p has been improved to avoid this issue. Furthermore, restricted pointers ("%pK") were never meant to be used through printk(). They can still unintentionally leak raw pointers or acquire sleeping looks in atomic contexts. Switch to the regular pointer formatting which is safer and easier to reason about. There are still a few users of %pK left, but these use it through seq_file, for which its usage is safe. Signed-off-by: Thomas Weißschuh Acked-by: Loic Poulain Reviewed-by: Aleksandr Loktionov Link: https://patch.msgid.link/20250417-restricted-pointers-ath-v1-4-4e9a04dbe362@linutronix.de Signed-off-by: Jeff Johnson --- drivers/net/wireless/ath/wcn36xx/testmode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wcn36xx/testmode.c b/drivers/net/wireless/ath/wcn36xx/testmode.c index e5142c052985..d7a2a483cbc4 100644 --- a/drivers/net/wireless/ath/wcn36xx/testmode.c +++ b/drivers/net/wireless/ath/wcn36xx/testmode.c @@ -56,7 +56,7 @@ static int wcn36xx_tm_cmd_ptt(struct wcn36xx *wcn, struct ieee80211_vif *vif, msg = buf; wcn36xx_dbg(WCN36XX_DBG_TESTMODE, - "testmode cmd wmi msg_id 0x%04X msg_len %d buf %pK buf_len %d\n", + "testmode cmd wmi msg_id 0x%04X msg_len %d buf %p buf_len %d\n", msg->msg_id, msg->msg_body_length, buf, buf_len);