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wifi: ath12k: Move HTT Rx specific code to newly introduced files

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WLAN Host driver interacts with the Firmware and vice versa using
Host-To-Target (HTT) interface.

HTT interface code is spread across multiple files (ex dp_tx.c, dp_rx.c
etc) and this interface is independent of the underlying architecture Tx
and Rx. Relocate HTT specific code from dp_rx.c to newly introduced file
dp_htt.c for HTT interface. This new file is compiled as part of the
common module ath12k.ko.

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: Harsh Kumar Bijlani <quic_hbijlani@quicinc.com>
Signed-off-by: Ripan Deuri <quic_rdeuri@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20250828173553.3341351-19-quic_rdeuri@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
This commit is contained in:
Harsh Kumar Bijlani 2025-08-28 23:05:51 +05:30 committed by Jeff Johnson
parent d3ade00eb6
commit 71a3f92c51
5 changed files with 651 additions and 639 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath12k/Makefile
View File

@ -10,6 +10,7 @@ ath12k-y += core.o \
dp.o \
dp_tx.o \
dp_rx.o \
dp_htt.o \
debug.o \
ce.o \
peer.o \

644
drivers/net/wireless/ath/ath12k/dp_htt.c Normal file
View File

@ -0,0 +1,644 @@
// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
#include "core.h"
#include "peer.h"
#include "htc.h"
#include "dp_htt.h"
#include "debugfs_htt_stats.h"
static int ath12k_get_ppdu_user_index(struct htt_ppdu_stats *ppdu_stats,
u16 peer_id)
{
int i;
for (i = 0; i < HTT_PPDU_STATS_MAX_USERS - 1; i++) {
if (ppdu_stats->user_stats[i].is_valid_peer_id) {
if (peer_id == ppdu_stats->user_stats[i].peer_id)
return i;
} else {
return i;
}
}
return -EINVAL;
}
static int ath12k_htt_tlv_ppdu_stats_parse(struct ath12k_base *ab,
u16 tag, u16 len, const void *ptr,
void *data)
{
const struct htt_ppdu_stats_usr_cmpltn_ack_ba_status *ba_status;
const struct htt_ppdu_stats_usr_cmpltn_cmn *cmplt_cmn;
const struct htt_ppdu_stats_user_rate *user_rate;
struct htt_ppdu_stats_info *ppdu_info;
struct htt_ppdu_user_stats *user_stats;
int cur_user;
u16 peer_id;
ppdu_info = data;
switch (tag) {
case HTT_PPDU_STATS_TAG_COMMON:
if (len < sizeof(struct htt_ppdu_stats_common)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
memcpy(&ppdu_info->ppdu_stats.common, ptr,
sizeof(struct htt_ppdu_stats_common));
break;
case HTT_PPDU_STATS_TAG_USR_RATE:
if (len < sizeof(struct htt_ppdu_stats_user_rate)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
user_rate = ptr;
peer_id = le16_to_cpu(user_rate->sw_peer_id);
cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
peer_id);
if (cur_user < 0)
return -EINVAL;
user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
user_stats->peer_id = peer_id;
user_stats->is_valid_peer_id = true;
memcpy(&user_stats->rate, ptr,
sizeof(struct htt_ppdu_stats_user_rate));
user_stats->tlv_flags |= BIT(tag);
break;
case HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON:
if (len < sizeof(struct htt_ppdu_stats_usr_cmpltn_cmn)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
cmplt_cmn = ptr;
peer_id = le16_to_cpu(cmplt_cmn->sw_peer_id);
cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
peer_id);
if (cur_user < 0)
return -EINVAL;
user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
user_stats->peer_id = peer_id;
user_stats->is_valid_peer_id = true;
memcpy(&user_stats->cmpltn_cmn, ptr,
sizeof(struct htt_ppdu_stats_usr_cmpltn_cmn));
user_stats->tlv_flags |= BIT(tag);
break;
case HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS:
if (len <
sizeof(struct htt_ppdu_stats_usr_cmpltn_ack_ba_status)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
ba_status = ptr;
peer_id = le16_to_cpu(ba_status->sw_peer_id);
cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
peer_id);
if (cur_user < 0)
return -EINVAL;
user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
user_stats->peer_id = peer_id;
user_stats->is_valid_peer_id = true;
memcpy(&user_stats->ack_ba, ptr,
sizeof(struct htt_ppdu_stats_usr_cmpltn_ack_ba_status));
user_stats->tlv_flags |= BIT(tag);
break;
}
return 0;
}
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)
{
const struct htt_tlv *tlv;
const void *begin = ptr;
u16 tlv_tag, tlv_len;
int ret = -EINVAL;
while (len > 0) {
if (len < sizeof(*tlv)) {
ath12k_err(ab, "htt tlv parse failure at byte %zd (%zu bytes left, %zu expected)\n",
ptr - begin, len, sizeof(*tlv));
return -EINVAL;
}
tlv = (struct htt_tlv *)ptr;
tlv_tag = le32_get_bits(tlv->header, HTT_TLV_TAG);
tlv_len = le32_get_bits(tlv->header, HTT_TLV_LEN);
ptr += sizeof(*tlv);
len -= sizeof(*tlv);
if (tlv_len > len) {
ath12k_err(ab, "htt tlv parse failure of tag %u at byte %zd (%zu bytes left, %u expected)\n",
tlv_tag, ptr - begin, len, tlv_len);
return -EINVAL;
}
ret = iter(ab, tlv_tag, tlv_len, ptr, data);
if (ret == -ENOMEM)
return ret;
ptr += tlv_len;
len -= tlv_len;
}
return 0;
}
static void
ath12k_update_per_peer_tx_stats(struct ath12k *ar,
struct htt_ppdu_stats *ppdu_stats, u8 user)
{
struct ath12k_base *ab = ar->ab;
struct ath12k_peer *peer;
struct ath12k_link_sta *arsta;
struct htt_ppdu_stats_user_rate *user_rate;
struct ath12k_per_peer_tx_stats *peer_stats = &ar->peer_tx_stats;
struct htt_ppdu_user_stats *usr_stats = &ppdu_stats->user_stats[user];
struct htt_ppdu_stats_common *common = &ppdu_stats->common;
int ret;
u8 flags, mcs, nss, bw, sgi, dcm, ppdu_type, rate_idx = 0;
u32 v, succ_bytes = 0;
u16 tones, rate = 0, succ_pkts = 0;
u32 tx_duration = 0;
u8 tid = HTT_PPDU_STATS_NON_QOS_TID;
u16 tx_retry_failed = 0, tx_retry_count = 0;
bool is_ampdu = false, is_ofdma;
if (!(usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_RATE)))
return;
if (usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON)) {
is_ampdu =
HTT_USR_CMPLTN_IS_AMPDU(usr_stats->cmpltn_cmn.flags);
tx_retry_failed =
__le16_to_cpu(usr_stats->cmpltn_cmn.mpdu_tried) -
__le16_to_cpu(usr_stats->cmpltn_cmn.mpdu_success);
tx_retry_count =
HTT_USR_CMPLTN_LONG_RETRY(usr_stats->cmpltn_cmn.flags) +
HTT_USR_CMPLTN_SHORT_RETRY(usr_stats->cmpltn_cmn.flags);
}
if (usr_stats->tlv_flags &
BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS)) {
succ_bytes = le32_to_cpu(usr_stats->ack_ba.success_bytes);
succ_pkts = le32_get_bits(usr_stats->ack_ba.info,
HTT_PPDU_STATS_ACK_BA_INFO_NUM_MSDU_M);
tid = le32_get_bits(usr_stats->ack_ba.info,
HTT_PPDU_STATS_ACK_BA_INFO_TID_NUM);
}
if (common->fes_duration_us)
tx_duration = le32_to_cpu(common->fes_duration_us);
user_rate = &usr_stats->rate;
flags = HTT_USR_RATE_PREAMBLE(user_rate->rate_flags);
bw = HTT_USR_RATE_BW(user_rate->rate_flags) - 2;
nss = HTT_USR_RATE_NSS(user_rate->rate_flags) + 1;
mcs = HTT_USR_RATE_MCS(user_rate->rate_flags);
sgi = HTT_USR_RATE_GI(user_rate->rate_flags);
dcm = HTT_USR_RATE_DCM(user_rate->rate_flags);
ppdu_type = HTT_USR_RATE_PPDU_TYPE(user_rate->info1);
is_ofdma = (ppdu_type == HTT_PPDU_STATS_PPDU_TYPE_MU_OFDMA) ||
(ppdu_type == HTT_PPDU_STATS_PPDU_TYPE_MU_MIMO_OFDMA);
/* Note: If host configured fixed rates and in some other special
* cases, the broadcast/management frames are sent in different rates.
* Firmware rate's control to be skipped for this?
*/
if (flags == WMI_RATE_PREAMBLE_HE && mcs > ATH12K_HE_MCS_MAX) {
ath12k_warn(ab, "Invalid HE mcs %d peer stats", mcs);
return;
}
if (flags == WMI_RATE_PREAMBLE_VHT && mcs > ATH12K_VHT_MCS_MAX) {
ath12k_warn(ab, "Invalid VHT mcs %d peer stats", mcs);
return;
}
if (flags == WMI_RATE_PREAMBLE_HT && (mcs > ATH12K_HT_MCS_MAX || nss < 1)) {
ath12k_warn(ab, "Invalid HT mcs %d nss %d peer stats",
mcs, nss);
return;
}
if (flags == WMI_RATE_PREAMBLE_CCK || flags == WMI_RATE_PREAMBLE_OFDM) {
ret = ath12k_mac_hw_ratecode_to_legacy_rate(mcs,
flags,
&rate_idx,
&rate);
if (ret < 0)
return;
}
rcu_read_lock();
spin_lock_bh(&ab->base_lock);
peer = ath12k_peer_find_by_id(ab, usr_stats->peer_id);
if (!peer || !peer->sta) {
spin_unlock_bh(&ab->base_lock);
rcu_read_unlock();
return;
}
arsta = ath12k_peer_get_link_sta(ab, peer);
if (!arsta) {
spin_unlock_bh(&ab->base_lock);
rcu_read_unlock();
return;
}
memset(&arsta->txrate, 0, sizeof(arsta->txrate));
arsta->txrate.bw = ath12k_mac_bw_to_mac80211_bw(bw);
switch (flags) {
case WMI_RATE_PREAMBLE_OFDM:
arsta->txrate.legacy = rate;
break;
case WMI_RATE_PREAMBLE_CCK:
arsta->txrate.legacy = rate;
break;
case WMI_RATE_PREAMBLE_HT:
arsta->txrate.mcs = mcs + 8 * (nss - 1);
arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
if (sgi)
arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case WMI_RATE_PREAMBLE_VHT:
arsta->txrate.mcs = mcs;
arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
if (sgi)
arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case WMI_RATE_PREAMBLE_HE:
arsta->txrate.mcs = mcs;
arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
arsta->txrate.he_dcm = dcm;
arsta->txrate.he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi);
tones = le16_to_cpu(user_rate->ru_end) -
le16_to_cpu(user_rate->ru_start) + 1;
v = ath12k_he_ru_tones_to_nl80211_he_ru_alloc(tones);
arsta->txrate.he_ru_alloc = v;
if (is_ofdma)
arsta->txrate.bw = RATE_INFO_BW_HE_RU;
break;
case WMI_RATE_PREAMBLE_EHT:
arsta->txrate.mcs = mcs;
arsta->txrate.flags = RATE_INFO_FLAGS_EHT_MCS;
arsta->txrate.he_dcm = dcm;
arsta->txrate.eht_gi = ath12k_mac_eht_gi_to_nl80211_eht_gi(sgi);
tones = le16_to_cpu(user_rate->ru_end) -
le16_to_cpu(user_rate->ru_start) + 1;
v = ath12k_mac_eht_ru_tones_to_nl80211_eht_ru_alloc(tones);
arsta->txrate.eht_ru_alloc = v;
if (is_ofdma)
arsta->txrate.bw = RATE_INFO_BW_EHT_RU;
break;
}
arsta->tx_retry_failed += tx_retry_failed;
arsta->tx_retry_count += tx_retry_count;
arsta->txrate.nss = nss;
arsta->tx_duration += tx_duration;
memcpy(&arsta->last_txrate, &arsta->txrate, sizeof(struct rate_info));
/* PPDU stats reported for mgmt packet doesn't have valid tx bytes.
* So skip peer stats update for mgmt packets.
*/
if (tid < HTT_PPDU_STATS_NON_QOS_TID) {
memset(peer_stats, 0, sizeof(*peer_stats));
peer_stats->succ_pkts = succ_pkts;
peer_stats->succ_bytes = succ_bytes;
peer_stats->is_ampdu = is_ampdu;
peer_stats->duration = tx_duration;
peer_stats->ba_fails =
HTT_USR_CMPLTN_LONG_RETRY(usr_stats->cmpltn_cmn.flags) +
HTT_USR_CMPLTN_SHORT_RETRY(usr_stats->cmpltn_cmn.flags);
}
spin_unlock_bh(&ab->base_lock);
rcu_read_unlock();
}
static void ath12k_htt_update_ppdu_stats(struct ath12k *ar,
struct htt_ppdu_stats *ppdu_stats)
{
u8 user;
for (user = 0; user < HTT_PPDU_STATS_MAX_USERS - 1; user++)
ath12k_update_per_peer_tx_stats(ar, ppdu_stats, user);
}
static
struct htt_ppdu_stats_info *ath12k_dp_htt_get_ppdu_desc(struct ath12k *ar,
u32 ppdu_id)
{
struct htt_ppdu_stats_info *ppdu_info;
lockdep_assert_held(&ar->data_lock);
if (!list_empty(&ar->ppdu_stats_info)) {
list_for_each_entry(ppdu_info, &ar->ppdu_stats_info, list) {
if (ppdu_info->ppdu_id == ppdu_id)
return ppdu_info;
}
if (ar->ppdu_stat_list_depth > HTT_PPDU_DESC_MAX_DEPTH) {
ppdu_info = list_first_entry(&ar->ppdu_stats_info,
typeof(*ppdu_info), list);
list_del(&ppdu_info->list);
ar->ppdu_stat_list_depth--;
ath12k_htt_update_ppdu_stats(ar, &ppdu_info->ppdu_stats);
kfree(ppdu_info);
}
}
ppdu_info = kzalloc(sizeof(*ppdu_info), GFP_ATOMIC);
if (!ppdu_info)
return NULL;
list_add_tail(&ppdu_info->list, &ar->ppdu_stats_info);
ar->ppdu_stat_list_depth++;
return ppdu_info;
}
static void ath12k_copy_to_delay_stats(struct ath12k_peer *peer,
struct htt_ppdu_user_stats *usr_stats)
{
peer->ppdu_stats_delayba.sw_peer_id = le16_to_cpu(usr_stats->rate.sw_peer_id);
peer->ppdu_stats_delayba.info0 = le32_to_cpu(usr_stats->rate.info0);
peer->ppdu_stats_delayba.ru_end = le16_to_cpu(usr_stats->rate.ru_end);
peer->ppdu_stats_delayba.ru_start = le16_to_cpu(usr_stats->rate.ru_start);
peer->ppdu_stats_delayba.info1 = le32_to_cpu(usr_stats->rate.info1);
peer->ppdu_stats_delayba.rate_flags = le32_to_cpu(usr_stats->rate.rate_flags);
peer->ppdu_stats_delayba.resp_rate_flags =
le32_to_cpu(usr_stats->rate.resp_rate_flags);
peer->delayba_flag = true;
}
static void ath12k_copy_to_bar(struct ath12k_peer *peer,
struct htt_ppdu_user_stats *usr_stats)
{
usr_stats->rate.sw_peer_id = cpu_to_le16(peer->ppdu_stats_delayba.sw_peer_id);
usr_stats->rate.info0 = cpu_to_le32(peer->ppdu_stats_delayba.info0);
usr_stats->rate.ru_end = cpu_to_le16(peer->ppdu_stats_delayba.ru_end);
usr_stats->rate.ru_start = cpu_to_le16(peer->ppdu_stats_delayba.ru_start);
usr_stats->rate.info1 = cpu_to_le32(peer->ppdu_stats_delayba.info1);
usr_stats->rate.rate_flags = cpu_to_le32(peer->ppdu_stats_delayba.rate_flags);
usr_stats->rate.resp_rate_flags =
cpu_to_le32(peer->ppdu_stats_delayba.resp_rate_flags);
peer->delayba_flag = false;
}
static int ath12k_htt_pull_ppdu_stats(struct ath12k_base *ab,
struct sk_buff *skb)
{
struct ath12k_htt_ppdu_stats_msg *msg;
struct htt_ppdu_stats_info *ppdu_info;
struct ath12k_peer *peer = NULL;
struct htt_ppdu_user_stats *usr_stats = NULL;
u32 peer_id = 0;
struct ath12k *ar;
int ret, i;
u8 pdev_id;
u32 ppdu_id, len;
msg = (struct ath12k_htt_ppdu_stats_msg *)skb->data;
len = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PAYLOAD_SIZE);
if (len > (skb->len - struct_size(msg, data, 0))) {
ath12k_warn(ab,
"HTT PPDU STATS event has unexpected payload size %u, should be smaller than %u\n",
len, skb->len);
return -EINVAL;
}
pdev_id = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PDEV_ID);
ppdu_id = le32_to_cpu(msg->ppdu_id);
rcu_read_lock();
ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id);
if (!ar) {
ret = -EINVAL;
goto exit;
}
spin_lock_bh(&ar->data_lock);
ppdu_info = ath12k_dp_htt_get_ppdu_desc(ar, ppdu_id);
if (!ppdu_info) {
spin_unlock_bh(&ar->data_lock);
ret = -EINVAL;
goto exit;
}
ppdu_info->ppdu_id = ppdu_id;
ret = ath12k_dp_htt_tlv_iter(ab, msg->data, len,
ath12k_htt_tlv_ppdu_stats_parse,
(void *)ppdu_info);
if (ret) {
spin_unlock_bh(&ar->data_lock);
ath12k_warn(ab, "Failed to parse tlv %d\n", ret);
goto exit;
}
if (ppdu_info->ppdu_stats.common.num_users >= HTT_PPDU_STATS_MAX_USERS) {
spin_unlock_bh(&ar->data_lock);
ath12k_warn(ab,
"HTT PPDU STATS event has unexpected num_users %u, should be smaller than %u\n",
ppdu_info->ppdu_stats.common.num_users,
HTT_PPDU_STATS_MAX_USERS);
ret = -EINVAL;
goto exit;
}
/* back up data rate tlv for all peers */
if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_DATA &&
(ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON)) &&
ppdu_info->delay_ba) {
for (i = 0; i < ppdu_info->ppdu_stats.common.num_users; i++) {
peer_id = ppdu_info->ppdu_stats.user_stats[i].peer_id;
spin_lock_bh(&ab->base_lock);
peer = ath12k_peer_find_by_id(ab, peer_id);
if (!peer) {
spin_unlock_bh(&ab->base_lock);
continue;
}
usr_stats = &ppdu_info->ppdu_stats.user_stats[i];
if (usr_stats->delay_ba)
ath12k_copy_to_delay_stats(peer, usr_stats);
spin_unlock_bh(&ab->base_lock);
}
}
/* restore all peers' data rate tlv to mu-bar tlv */
if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_BAR &&
(ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON))) {
for (i = 0; i < ppdu_info->bar_num_users; i++) {
peer_id = ppdu_info->ppdu_stats.user_stats[i].peer_id;
spin_lock_bh(&ab->base_lock);
peer = ath12k_peer_find_by_id(ab, peer_id);
if (!peer) {
spin_unlock_bh(&ab->base_lock);
continue;
}
usr_stats = &ppdu_info->ppdu_stats.user_stats[i];
if (peer->delayba_flag)
ath12k_copy_to_bar(peer, usr_stats);
spin_unlock_bh(&ab->base_lock);
}
}
spin_unlock_bh(&ar->data_lock);
exit:
rcu_read_unlock();
return ret;
}
static void ath12k_htt_mlo_offset_event_handler(struct ath12k_base *ab,
struct sk_buff *skb)
{
struct ath12k_htt_mlo_offset_msg *msg;
struct ath12k_pdev *pdev;
struct ath12k *ar;
u8 pdev_id;
msg = (struct ath12k_htt_mlo_offset_msg *)skb->data;
pdev_id = u32_get_bits(__le32_to_cpu(msg->info),
HTT_T2H_MLO_OFFSET_INFO_PDEV_ID);
rcu_read_lock();
ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id);
if (!ar) {
/* It is possible that the ar is not yet active (started).
* The above function will only look for the active pdev
* and hence %NULL return is possible. Just silently
* discard this message
*/
goto exit;
}
spin_lock_bh(&ar->data_lock);
pdev = ar->pdev;
pdev->timestamp.info = __le32_to_cpu(msg->info);
pdev->timestamp.sync_timestamp_lo_us = __le32_to_cpu(msg->sync_timestamp_lo_us);
pdev->timestamp.sync_timestamp_hi_us = __le32_to_cpu(msg->sync_timestamp_hi_us);
pdev->timestamp.mlo_offset_lo = __le32_to_cpu(msg->mlo_offset_lo);
pdev->timestamp.mlo_offset_hi = __le32_to_cpu(msg->mlo_offset_hi);
pdev->timestamp.mlo_offset_clks = __le32_to_cpu(msg->mlo_offset_clks);
pdev->timestamp.mlo_comp_clks = __le32_to_cpu(msg->mlo_comp_clks);
pdev->timestamp.mlo_comp_timer = __le32_to_cpu(msg->mlo_comp_timer);
spin_unlock_bh(&ar->data_lock);
exit:
rcu_read_unlock();
}
void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
struct sk_buff *skb)
{
struct ath12k_dp *dp = &ab->dp;
struct htt_resp_msg *resp = (struct htt_resp_msg *)skb->data;
enum htt_t2h_msg_type type;
u16 peer_id;
u8 vdev_id;
u8 mac_addr[ETH_ALEN];
u16 peer_mac_h16;
u16 ast_hash = 0;
u16 hw_peer_id;
type = le32_get_bits(resp->version_msg.version, HTT_T2H_MSG_TYPE);
ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt rx msg type :0x%0x\n", type);
switch (type) {
case HTT_T2H_MSG_TYPE_VERSION_CONF:
dp->htt_tgt_ver_major = le32_get_bits(resp->version_msg.version,
HTT_T2H_VERSION_CONF_MAJOR);
dp->htt_tgt_ver_minor = le32_get_bits(resp->version_msg.version,
HTT_T2H_VERSION_CONF_MINOR);
complete(&dp->htt_tgt_version_received);
break;
/* TODO: remove unused peer map versions after testing */
case HTT_T2H_MSG_TYPE_PEER_MAP:
vdev_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_VDEV_ID);
peer_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_PEER_ID);
peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
peer_mac_h16, mac_addr);
ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, 0, 0);
break;
case HTT_T2H_MSG_TYPE_PEER_MAP2:
vdev_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_VDEV_ID);
peer_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_PEER_ID);
peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
peer_mac_h16, mac_addr);
ast_hash = le32_get_bits(resp->peer_map_ev.info2,
HTT_T2H_PEER_MAP_INFO2_AST_HASH_VAL);
hw_peer_id = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_HW_PEER_ID);
ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,
hw_peer_id);
break;
case HTT_T2H_MSG_TYPE_PEER_MAP3:
vdev_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_VDEV_ID);
peer_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_PEER_ID);
peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
peer_mac_h16, mac_addr);
ast_hash = le32_get_bits(resp->peer_map_ev.info2,
HTT_T2H_PEER_MAP3_INFO2_AST_HASH_VAL);
hw_peer_id = le32_get_bits(resp->peer_map_ev.info2,
HTT_T2H_PEER_MAP3_INFO2_HW_PEER_ID);
ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,
hw_peer_id);
break;
case HTT_T2H_MSG_TYPE_PEER_UNMAP:
case HTT_T2H_MSG_TYPE_PEER_UNMAP2:
peer_id = le32_get_bits(resp->peer_unmap_ev.info,
HTT_T2H_PEER_UNMAP_INFO_PEER_ID);
ath12k_peer_unmap_event(ab, peer_id);
break;
case HTT_T2H_MSG_TYPE_PPDU_STATS_IND:
ath12k_htt_pull_ppdu_stats(ab, skb);
break;
case HTT_T2H_MSG_TYPE_EXT_STATS_CONF:
ath12k_debugfs_htt_ext_stats_handler(ab, skb);
break;
case HTT_T2H_MSG_TYPE_MLO_TIMESTAMP_OFFSET_IND:
ath12k_htt_mlo_offset_event_handler(ab, skb);
break;
default:
ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt event %d not handled\n",
type);
break;
}
dev_kfree_skb_any(skb);
}
EXPORT_SYMBOL(ath12k_dp_htt_htc_t2h_msg_handler);

6
drivers/net/wireless/ath/ath12k/dp_htt.h
View File

@ -1514,4 +1514,10 @@ struct htt_mac_addr {
__le32 mac_addr_h16;
} __packed;
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_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
struct sk_buff *skb);
#endif

633
drivers/net/wireless/ath/ath12k/dp_rx.c
View File

@ -719,639 +719,6 @@ int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_link_vif *arvif,
return ret;
}
static int ath12k_get_ppdu_user_index(struct htt_ppdu_stats *ppdu_stats,
u16 peer_id)
{
int i;
for (i = 0; i < HTT_PPDU_STATS_MAX_USERS - 1; i++) {
if (ppdu_stats->user_stats[i].is_valid_peer_id) {
if (peer_id == ppdu_stats->user_stats[i].peer_id)
return i;
} else {
return i;
}
}
return -EINVAL;
}
static int ath12k_htt_tlv_ppdu_stats_parse(struct ath12k_base *ab,
u16 tag, u16 len, const void *ptr,
void *data)
{
const struct htt_ppdu_stats_usr_cmpltn_ack_ba_status *ba_status;
const struct htt_ppdu_stats_usr_cmpltn_cmn *cmplt_cmn;
const struct htt_ppdu_stats_user_rate *user_rate;
struct htt_ppdu_stats_info *ppdu_info;
struct htt_ppdu_user_stats *user_stats;
int cur_user;
u16 peer_id;
ppdu_info = data;
switch (tag) {
case HTT_PPDU_STATS_TAG_COMMON:
if (len < sizeof(struct htt_ppdu_stats_common)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
memcpy(&ppdu_info->ppdu_stats.common, ptr,
sizeof(struct htt_ppdu_stats_common));
break;
case HTT_PPDU_STATS_TAG_USR_RATE:
if (len < sizeof(struct htt_ppdu_stats_user_rate)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
user_rate = ptr;
peer_id = le16_to_cpu(user_rate->sw_peer_id);
cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
peer_id);
if (cur_user < 0)
return -EINVAL;
user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
user_stats->peer_id = peer_id;
user_stats->is_valid_peer_id = true;
memcpy(&user_stats->rate, ptr,
sizeof(struct htt_ppdu_stats_user_rate));
user_stats->tlv_flags |= BIT(tag);
break;
case HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON:
if (len < sizeof(struct htt_ppdu_stats_usr_cmpltn_cmn)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
cmplt_cmn = ptr;
peer_id = le16_to_cpu(cmplt_cmn->sw_peer_id);
cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
peer_id);
if (cur_user < 0)
return -EINVAL;
user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
user_stats->peer_id = peer_id;
user_stats->is_valid_peer_id = true;
memcpy(&user_stats->cmpltn_cmn, ptr,
sizeof(struct htt_ppdu_stats_usr_cmpltn_cmn));
user_stats->tlv_flags |= BIT(tag);
break;
case HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS:
if (len <
sizeof(struct htt_ppdu_stats_usr_cmpltn_ack_ba_status)) {
ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
len, tag);
return -EINVAL;
}
ba_status = ptr;
peer_id = le16_to_cpu(ba_status->sw_peer_id);
cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
peer_id);
if (cur_user < 0)
return -EINVAL;
user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
user_stats->peer_id = peer_id;
user_stats->is_valid_peer_id = true;
memcpy(&user_stats->ack_ba, ptr,
sizeof(struct htt_ppdu_stats_usr_cmpltn_ack_ba_status));
user_stats->tlv_flags |= BIT(tag);
break;
}
return 0;
}
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)
{
const struct htt_tlv *tlv;
const void *begin = ptr;
u16 tlv_tag, tlv_len;
int ret = -EINVAL;
while (len > 0) {
if (len < sizeof(*tlv)) {
ath12k_err(ab, "htt tlv parse failure at byte %zd (%zu bytes left, %zu expected)\n",
ptr - begin, len, sizeof(*tlv));
return -EINVAL;
}
tlv = (struct htt_tlv *)ptr;
tlv_tag = le32_get_bits(tlv->header, HTT_TLV_TAG);
tlv_len = le32_get_bits(tlv->header, HTT_TLV_LEN);
ptr += sizeof(*tlv);
len -= sizeof(*tlv);
if (tlv_len > len) {
ath12k_err(ab, "htt tlv parse failure of tag %u at byte %zd (%zu bytes left, %u expected)\n",
tlv_tag, ptr - begin, len, tlv_len);
return -EINVAL;
}
ret = iter(ab, tlv_tag, tlv_len, ptr, data);
if (ret == -ENOMEM)
return ret;
ptr += tlv_len;
len -= tlv_len;
}
return 0;
}
static void
ath12k_update_per_peer_tx_stats(struct ath12k *ar,
struct htt_ppdu_stats *ppdu_stats, u8 user)
{
struct ath12k_base *ab = ar->ab;
struct ath12k_peer *peer;
struct ath12k_link_sta *arsta;
struct htt_ppdu_stats_user_rate *user_rate;
struct ath12k_per_peer_tx_stats *peer_stats = &ar->peer_tx_stats;
struct htt_ppdu_user_stats *usr_stats = &ppdu_stats->user_stats[user];
struct htt_ppdu_stats_common *common = &ppdu_stats->common;
int ret;
u8 flags, mcs, nss, bw, sgi, dcm, ppdu_type, rate_idx = 0;
u32 v, succ_bytes = 0;
u16 tones, rate = 0, succ_pkts = 0;
u32 tx_duration = 0;
u8 tid = HTT_PPDU_STATS_NON_QOS_TID;
u16 tx_retry_failed = 0, tx_retry_count = 0;
bool is_ampdu = false, is_ofdma;
if (!(usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_RATE)))
return;
if (usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON)) {
is_ampdu =
HTT_USR_CMPLTN_IS_AMPDU(usr_stats->cmpltn_cmn.flags);
tx_retry_failed =
__le16_to_cpu(usr_stats->cmpltn_cmn.mpdu_tried) -
__le16_to_cpu(usr_stats->cmpltn_cmn.mpdu_success);
tx_retry_count =
HTT_USR_CMPLTN_LONG_RETRY(usr_stats->cmpltn_cmn.flags) +
HTT_USR_CMPLTN_SHORT_RETRY(usr_stats->cmpltn_cmn.flags);
}
if (usr_stats->tlv_flags &
BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS)) {
succ_bytes = le32_to_cpu(usr_stats->ack_ba.success_bytes);
succ_pkts = le32_get_bits(usr_stats->ack_ba.info,
HTT_PPDU_STATS_ACK_BA_INFO_NUM_MSDU_M);
tid = le32_get_bits(usr_stats->ack_ba.info,
HTT_PPDU_STATS_ACK_BA_INFO_TID_NUM);
}
if (common->fes_duration_us)
tx_duration = le32_to_cpu(common->fes_duration_us);
user_rate = &usr_stats->rate;
flags = HTT_USR_RATE_PREAMBLE(user_rate->rate_flags);
bw = HTT_USR_RATE_BW(user_rate->rate_flags) - 2;
nss = HTT_USR_RATE_NSS(user_rate->rate_flags) + 1;
mcs = HTT_USR_RATE_MCS(user_rate->rate_flags);
sgi = HTT_USR_RATE_GI(user_rate->rate_flags);
dcm = HTT_USR_RATE_DCM(user_rate->rate_flags);
ppdu_type = HTT_USR_RATE_PPDU_TYPE(user_rate->info1);
is_ofdma = (ppdu_type == HTT_PPDU_STATS_PPDU_TYPE_MU_OFDMA) ||
(ppdu_type == HTT_PPDU_STATS_PPDU_TYPE_MU_MIMO_OFDMA);
/* Note: If host configured fixed rates and in some other special
* cases, the broadcast/management frames are sent in different rates.
* Firmware rate's control to be skipped for this?
*/
if (flags == WMI_RATE_PREAMBLE_HE && mcs > ATH12K_HE_MCS_MAX) {
ath12k_warn(ab, "Invalid HE mcs %d peer stats", mcs);
return;
}
if (flags == WMI_RATE_PREAMBLE_VHT && mcs > ATH12K_VHT_MCS_MAX) {
ath12k_warn(ab, "Invalid VHT mcs %d peer stats", mcs);
return;
}
if (flags == WMI_RATE_PREAMBLE_HT && (mcs > ATH12K_HT_MCS_MAX || nss < 1)) {
ath12k_warn(ab, "Invalid HT mcs %d nss %d peer stats",
mcs, nss);
return;
}
if (flags == WMI_RATE_PREAMBLE_CCK || flags == WMI_RATE_PREAMBLE_OFDM) {
ret = ath12k_mac_hw_ratecode_to_legacy_rate(mcs,
flags,
&rate_idx,
&rate);
if (ret < 0)
return;
}
rcu_read_lock();
spin_lock_bh(&ab->base_lock);
peer = ath12k_peer_find_by_id(ab, usr_stats->peer_id);
if (!peer || !peer->sta) {
spin_unlock_bh(&ab->base_lock);
rcu_read_unlock();
return;
}
arsta = ath12k_peer_get_link_sta(ab, peer);
if (!arsta) {
spin_unlock_bh(&ab->base_lock);
rcu_read_unlock();
return;
}
memset(&arsta->txrate, 0, sizeof(arsta->txrate));
arsta->txrate.bw = ath12k_mac_bw_to_mac80211_bw(bw);
switch (flags) {
case WMI_RATE_PREAMBLE_OFDM:
arsta->txrate.legacy = rate;
break;
case WMI_RATE_PREAMBLE_CCK:
arsta->txrate.legacy = rate;
break;
case WMI_RATE_PREAMBLE_HT:
arsta->txrate.mcs = mcs + 8 * (nss - 1);
arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
if (sgi)
arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case WMI_RATE_PREAMBLE_VHT:
arsta->txrate.mcs = mcs;
arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
if (sgi)
arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
break;
case WMI_RATE_PREAMBLE_HE:
arsta->txrate.mcs = mcs;
arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
arsta->txrate.he_dcm = dcm;
arsta->txrate.he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi);
tones = le16_to_cpu(user_rate->ru_end) -
le16_to_cpu(user_rate->ru_start) + 1;
v = ath12k_he_ru_tones_to_nl80211_he_ru_alloc(tones);
arsta->txrate.he_ru_alloc = v;
if (is_ofdma)
arsta->txrate.bw = RATE_INFO_BW_HE_RU;
break;
case WMI_RATE_PREAMBLE_EHT:
arsta->txrate.mcs = mcs;
arsta->txrate.flags = RATE_INFO_FLAGS_EHT_MCS;
arsta->txrate.he_dcm = dcm;
arsta->txrate.eht_gi = ath12k_mac_eht_gi_to_nl80211_eht_gi(sgi);
tones = le16_to_cpu(user_rate->ru_end) -
le16_to_cpu(user_rate->ru_start) + 1;
v = ath12k_mac_eht_ru_tones_to_nl80211_eht_ru_alloc(tones);
arsta->txrate.eht_ru_alloc = v;
if (is_ofdma)
arsta->txrate.bw = RATE_INFO_BW_EHT_RU;
break;
}
arsta->tx_retry_failed += tx_retry_failed;
arsta->tx_retry_count += tx_retry_count;
arsta->txrate.nss = nss;
arsta->tx_duration += tx_duration;
memcpy(&arsta->last_txrate, &arsta->txrate, sizeof(struct rate_info));
/* PPDU stats reported for mgmt packet doesn't have valid tx bytes.
* So skip peer stats update for mgmt packets.
*/
if (tid < HTT_PPDU_STATS_NON_QOS_TID) {
memset(peer_stats, 0, sizeof(*peer_stats));
peer_stats->succ_pkts = succ_pkts;
peer_stats->succ_bytes = succ_bytes;
peer_stats->is_ampdu = is_ampdu;
peer_stats->duration = tx_duration;
peer_stats->ba_fails =
HTT_USR_CMPLTN_LONG_RETRY(usr_stats->cmpltn_cmn.flags) +
HTT_USR_CMPLTN_SHORT_RETRY(usr_stats->cmpltn_cmn.flags);
}
spin_unlock_bh(&ab->base_lock);
rcu_read_unlock();
}
static void ath12k_htt_update_ppdu_stats(struct ath12k *ar,
struct htt_ppdu_stats *ppdu_stats)
{
u8 user;
for (user = 0; user < HTT_PPDU_STATS_MAX_USERS - 1; user++)
ath12k_update_per_peer_tx_stats(ar, ppdu_stats, user);
}
static
struct htt_ppdu_stats_info *ath12k_dp_htt_get_ppdu_desc(struct ath12k *ar,
u32 ppdu_id)
{
struct htt_ppdu_stats_info *ppdu_info;
lockdep_assert_held(&ar->data_lock);
if (!list_empty(&ar->ppdu_stats_info)) {
list_for_each_entry(ppdu_info, &ar->ppdu_stats_info, list) {
if (ppdu_info->ppdu_id == ppdu_id)
return ppdu_info;
}
if (ar->ppdu_stat_list_depth > HTT_PPDU_DESC_MAX_DEPTH) {
ppdu_info = list_first_entry(&ar->ppdu_stats_info,
typeof(*ppdu_info), list);
list_del(&ppdu_info->list);
ar->ppdu_stat_list_depth--;
ath12k_htt_update_ppdu_stats(ar, &ppdu_info->ppdu_stats);
kfree(ppdu_info);
}
}
ppdu_info = kzalloc(sizeof(*ppdu_info), GFP_ATOMIC);
if (!ppdu_info)
return NULL;
list_add_tail(&ppdu_info->list, &ar->ppdu_stats_info);
ar->ppdu_stat_list_depth++;
return ppdu_info;
}
static void ath12k_copy_to_delay_stats(struct ath12k_peer *peer,
struct htt_ppdu_user_stats *usr_stats)
{
peer->ppdu_stats_delayba.sw_peer_id = le16_to_cpu(usr_stats->rate.sw_peer_id);
peer->ppdu_stats_delayba.info0 = le32_to_cpu(usr_stats->rate.info0);
peer->ppdu_stats_delayba.ru_end = le16_to_cpu(usr_stats->rate.ru_end);
peer->ppdu_stats_delayba.ru_start = le16_to_cpu(usr_stats->rate.ru_start);
peer->ppdu_stats_delayba.info1 = le32_to_cpu(usr_stats->rate.info1);
peer->ppdu_stats_delayba.rate_flags = le32_to_cpu(usr_stats->rate.rate_flags);
peer->ppdu_stats_delayba.resp_rate_flags =
le32_to_cpu(usr_stats->rate.resp_rate_flags);
peer->delayba_flag = true;
}
static void ath12k_copy_to_bar(struct ath12k_peer *peer,
struct htt_ppdu_user_stats *usr_stats)
{
usr_stats->rate.sw_peer_id = cpu_to_le16(peer->ppdu_stats_delayba.sw_peer_id);
usr_stats->rate.info0 = cpu_to_le32(peer->ppdu_stats_delayba.info0);
usr_stats->rate.ru_end = cpu_to_le16(peer->ppdu_stats_delayba.ru_end);
usr_stats->rate.ru_start = cpu_to_le16(peer->ppdu_stats_delayba.ru_start);
usr_stats->rate.info1 = cpu_to_le32(peer->ppdu_stats_delayba.info1);
usr_stats->rate.rate_flags = cpu_to_le32(peer->ppdu_stats_delayba.rate_flags);
usr_stats->rate.resp_rate_flags =
cpu_to_le32(peer->ppdu_stats_delayba.resp_rate_flags);
peer->delayba_flag = false;
}
static int ath12k_htt_pull_ppdu_stats(struct ath12k_base *ab,
struct sk_buff *skb)
{
struct ath12k_htt_ppdu_stats_msg *msg;
struct htt_ppdu_stats_info *ppdu_info;
struct ath12k_peer *peer = NULL;
struct htt_ppdu_user_stats *usr_stats = NULL;
u32 peer_id = 0;
struct ath12k *ar;
int ret, i;
u8 pdev_id;
u32 ppdu_id, len;
msg = (struct ath12k_htt_ppdu_stats_msg *)skb->data;
len = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PAYLOAD_SIZE);
if (len > (skb->len - struct_size(msg, data, 0))) {
ath12k_warn(ab,
"HTT PPDU STATS event has unexpected payload size %u, should be smaller than %u\n",
len, skb->len);
return -EINVAL;
}
pdev_id = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PDEV_ID);
ppdu_id = le32_to_cpu(msg->ppdu_id);
rcu_read_lock();
ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id);
if (!ar) {
ret = -EINVAL;
goto exit;
}
spin_lock_bh(&ar->data_lock);
ppdu_info = ath12k_dp_htt_get_ppdu_desc(ar, ppdu_id);
if (!ppdu_info) {
spin_unlock_bh(&ar->data_lock);
ret = -EINVAL;
goto exit;
}
ppdu_info->ppdu_id = ppdu_id;
ret = ath12k_dp_htt_tlv_iter(ab, msg->data, len,
ath12k_htt_tlv_ppdu_stats_parse,
(void *)ppdu_info);
if (ret) {
spin_unlock_bh(&ar->data_lock);
ath12k_warn(ab, "Failed to parse tlv %d\n", ret);
goto exit;
}
if (ppdu_info->ppdu_stats.common.num_users >= HTT_PPDU_STATS_MAX_USERS) {
spin_unlock_bh(&ar->data_lock);
ath12k_warn(ab,
"HTT PPDU STATS event has unexpected num_users %u, should be smaller than %u\n",
ppdu_info->ppdu_stats.common.num_users,
HTT_PPDU_STATS_MAX_USERS);
ret = -EINVAL;
goto exit;
}
/* back up data rate tlv for all peers */
if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_DATA &&
(ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON)) &&
ppdu_info->delay_ba) {
for (i = 0; i < ppdu_info->ppdu_stats.common.num_users; i++) {
peer_id = ppdu_info->ppdu_stats.user_stats[i].peer_id;
spin_lock_bh(&ab->base_lock);
peer = ath12k_peer_find_by_id(ab, peer_id);
if (!peer) {
spin_unlock_bh(&ab->base_lock);
continue;
}
usr_stats = &ppdu_info->ppdu_stats.user_stats[i];
if (usr_stats->delay_ba)
ath12k_copy_to_delay_stats(peer, usr_stats);
spin_unlock_bh(&ab->base_lock);
}
}
/* restore all peers' data rate tlv to mu-bar tlv */
if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_BAR &&
(ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON))) {
for (i = 0; i < ppdu_info->bar_num_users; i++) {
peer_id = ppdu_info->ppdu_stats.user_stats[i].peer_id;
spin_lock_bh(&ab->base_lock);
peer = ath12k_peer_find_by_id(ab, peer_id);
if (!peer) {
spin_unlock_bh(&ab->base_lock);
continue;
}
usr_stats = &ppdu_info->ppdu_stats.user_stats[i];
if (peer->delayba_flag)
ath12k_copy_to_bar(peer, usr_stats);
spin_unlock_bh(&ab->base_lock);
}
}
spin_unlock_bh(&ar->data_lock);
exit:
rcu_read_unlock();
return ret;
}
static void ath12k_htt_mlo_offset_event_handler(struct ath12k_base *ab,
struct sk_buff *skb)
{
struct ath12k_htt_mlo_offset_msg *msg;
struct ath12k_pdev *pdev;
struct ath12k *ar;
u8 pdev_id;
msg = (struct ath12k_htt_mlo_offset_msg *)skb->data;
pdev_id = u32_get_bits(__le32_to_cpu(msg->info),
HTT_T2H_MLO_OFFSET_INFO_PDEV_ID);
rcu_read_lock();
ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id);
if (!ar) {
/* It is possible that the ar is not yet active (started).
* The above function will only look for the active pdev
* and hence %NULL return is possible. Just silently
* discard this message
*/
goto exit;
}
spin_lock_bh(&ar->data_lock);
pdev = ar->pdev;
pdev->timestamp.info = __le32_to_cpu(msg->info);
pdev->timestamp.sync_timestamp_lo_us = __le32_to_cpu(msg->sync_timestamp_lo_us);
pdev->timestamp.sync_timestamp_hi_us = __le32_to_cpu(msg->sync_timestamp_hi_us);
pdev->timestamp.mlo_offset_lo = __le32_to_cpu(msg->mlo_offset_lo);
pdev->timestamp.mlo_offset_hi = __le32_to_cpu(msg->mlo_offset_hi);
pdev->timestamp.mlo_offset_clks = __le32_to_cpu(msg->mlo_offset_clks);
pdev->timestamp.mlo_comp_clks = __le32_to_cpu(msg->mlo_comp_clks);
pdev->timestamp.mlo_comp_timer = __le32_to_cpu(msg->mlo_comp_timer);
spin_unlock_bh(&ar->data_lock);
exit:
rcu_read_unlock();
}
void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
struct sk_buff *skb)
{
struct ath12k_dp *dp = &ab->dp;
struct htt_resp_msg *resp = (struct htt_resp_msg *)skb->data;
enum htt_t2h_msg_type type;
u16 peer_id;
u8 vdev_id;
u8 mac_addr[ETH_ALEN];
u16 peer_mac_h16;
u16 ast_hash = 0;
u16 hw_peer_id;
type = le32_get_bits(resp->version_msg.version, HTT_T2H_MSG_TYPE);
ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt rx msg type :0x%0x\n", type);
switch (type) {
case HTT_T2H_MSG_TYPE_VERSION_CONF:
dp->htt_tgt_ver_major = le32_get_bits(resp->version_msg.version,
HTT_T2H_VERSION_CONF_MAJOR);
dp->htt_tgt_ver_minor = le32_get_bits(resp->version_msg.version,
HTT_T2H_VERSION_CONF_MINOR);
complete(&dp->htt_tgt_version_received);
break;
/* TODO: remove unused peer map versions after testing */
case HTT_T2H_MSG_TYPE_PEER_MAP:
vdev_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_VDEV_ID);
peer_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_PEER_ID);
peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
peer_mac_h16, mac_addr);
ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, 0, 0);
break;
case HTT_T2H_MSG_TYPE_PEER_MAP2:
vdev_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_VDEV_ID);
peer_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_PEER_ID);
peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
peer_mac_h16, mac_addr);
ast_hash = le32_get_bits(resp->peer_map_ev.info2,
HTT_T2H_PEER_MAP_INFO2_AST_HASH_VAL);
hw_peer_id = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_HW_PEER_ID);
ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,
hw_peer_id);
break;
case HTT_T2H_MSG_TYPE_PEER_MAP3:
vdev_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_VDEV_ID);
peer_id = le32_get_bits(resp->peer_map_ev.info,
HTT_T2H_PEER_MAP_INFO_PEER_ID);
peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
peer_mac_h16, mac_addr);
ast_hash = le32_get_bits(resp->peer_map_ev.info2,
HTT_T2H_PEER_MAP3_INFO2_AST_HASH_VAL);
hw_peer_id = le32_get_bits(resp->peer_map_ev.info2,
HTT_T2H_PEER_MAP3_INFO2_HW_PEER_ID);
ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,
hw_peer_id);
break;
case HTT_T2H_MSG_TYPE_PEER_UNMAP:
case HTT_T2H_MSG_TYPE_PEER_UNMAP2:
peer_id = le32_get_bits(resp->peer_unmap_ev.info,
HTT_T2H_PEER_UNMAP_INFO_PEER_ID);
ath12k_peer_unmap_event(ab, peer_id);
break;
case HTT_T2H_MSG_TYPE_PPDU_STATS_IND:
ath12k_htt_pull_ppdu_stats(ab, skb);
break;
case HTT_T2H_MSG_TYPE_EXT_STATS_CONF:
ath12k_debugfs_htt_ext_stats_handler(ab, skb);
break;
case HTT_T2H_MSG_TYPE_MLO_TIMESTAMP_OFFSET_IND:
ath12k_htt_mlo_offset_event_handler(ab, skb);
break;
default:
ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt event %d not handled\n",
type);
break;
}
dev_kfree_skb_any(skb);
}
EXPORT_SYMBOL(ath12k_dp_htt_htc_t2h_msg_handler);
struct sk_buff *ath12k_dp_rx_get_msdu_last_buf(struct sk_buff_head *msdu_list,
struct sk_buff *first)
{

6
drivers/net/wireless/ath/ath12k/dp_rx.h
View File

@ -384,8 +384,6 @@ void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
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);
void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
struct sk_buff *skb);
int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab);
void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab);
int ath12k_dp_rx_htt_setup(struct ath12k_base *ab);
@ -410,10 +408,6 @@ 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);
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);