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wifi: iwlwifi: mvm: allow number of beacons from FW

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Newer firmware images have a TLV advertising how many
beacons they support, use that to permit adding more
links in AP mode (FW needs to support at least as many
links as beacons).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230416154301.0d7522533557.Ic6b5992e94446c35cb0f3add019defa6e7aded2a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-04-16 15:47:37 +03:00
parent 8642ddb2a3
commit d9bfd5a064
4 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@ -104,6 +104,7 @@ enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_CURRENT_PC = 68,
IWL_UCODE_TLV_FW_NUM_STATIONS = IWL_UCODE_TLV_CONST_BASE + 0,
IWL_UCODE_TLV_FW_NUM_BEACONS = IWL_UCODE_TLV_CONST_BASE + 2,
IWL_UCODE_TLV_TYPE_DEBUG_INFO = IWL_UCODE_TLV_DEBUG_BASE + 0,
IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_TLV_DEBUG_BASE + 1,

1
drivers/net/wireless/intel/iwlwifi/fw/img.h
View File

@ -51,6 +51,7 @@ struct iwl_ucode_capabilities {
u32 error_log_addr;
u32 error_log_size;
u32 num_stations;
u32 num_beacons;
unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];

7
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View File

@ -1155,6 +1155,12 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
capa->num_stations =
le32_to_cpup((const __le32 *)tlv_data);
break;
case IWL_UCODE_TLV_FW_NUM_BEACONS:
if (tlv_len != sizeof(u32))
goto invalid_tlv_len;
capa->num_beacons =
le32_to_cpup((const __le32 *)tlv_data);
break;
case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
const struct iwl_umac_debug_addrs *dbg_ptrs =
(const void *)tlv_data;
@ -1415,6 +1421,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX;
fw->ucode_capa.num_beacons = 1;
/* dump all fw memory areas by default */
fw->dbg.dump_mask = 0xffffffff;

5
drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
View File

@ -882,7 +882,10 @@ iwl_mvm_mld_change_vif_links(struct ieee80211_hw *hw,
n_active++;
}
if (n_active > 1)
if (vif->type == NL80211_IFTYPE_AP &&
n_active > mvm->fw->ucode_capa.num_beacons)
return -EOPNOTSUPP;
else if (n_active > 1)
return -EOPNOTSUPP;
}