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wifi: iwlwifi: mld: send tx power constraints before link activation

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TX power constraints must be sent to the firmware before link
activation. If not, the firmware will use default power values.

Fix this by moving the iwl_mld_send_ap_tx_power_constraint_cmd()
call from iwl_mld_start_ap_ibss() to iwl_mld_assign_vif_chanctx(),
before iwl_mld_activate_link() for AP interfaces. Also update
the guard in the function to allow it to run before link activation
for AP interfaces.

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260529085453.06c94b01efd2.Id43bdfe5eb030061c23348779687ba71b5f58182@changeid
This commit is contained in:
Pagadala Yesu Anjaneyulu
2026-05-29 08:57:06 +03:00
committed by Miri Korenblit
parent 0eaa1f245a
commit 9bf1b409af
3 changed files with 8 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/wireless/intel/iwlwifi/mld/ap.c
-4
View File
@@ -9,7 +9,6 @@
#include "ap.h"
#include "hcmd.h"
#include "tx.h"
#include "power.h"
#include "key.h"
#include "phy.h"
#include "iwl-utils.h"
@@ -273,9 +272,6 @@ int iwl_mld_start_ap_ibss(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx;
int ret;
if (vif->type == NL80211_IFTYPE_AP)
iwl_mld_send_ap_tx_power_constraint_cmd(mld, vif, link);
ret = iwl_mld_update_beacon_template(mld, vif, link);
if (ret)
return ret;
drivers/net/wireless/intel/iwlwifi/mld/mac80211.c
+7
View File
@@ -1150,6 +1150,13 @@ int iwl_mld_assign_vif_chanctx(struct ieee80211_hw *hw,
if (iwl_mld_can_activate_link(mld, vif, link)) {
iwl_mld_tlc_update_phy(mld, vif, link);
/* FW requires AP_TX_POWER_CONSTRAINTS_CMD before link
* activation for AP and after link activation for STA,
* for an unknown reason.
*/
if (vif->type == NL80211_IFTYPE_AP)
iwl_mld_send_ap_tx_power_constraint_cmd(mld, vif, link);
ret = iwl_mld_activate_link(mld, link);
if (ret)
goto err;
drivers/net/wireless/intel/iwlwifi/mld/power.c
+1 -1
View File
@@ -366,7 +366,7 @@ iwl_mld_send_ap_tx_power_constraint_cmd(struct iwl_mld *mld,
lockdep_assert_wiphy(mld->wiphy);
if (!mld_link->active)
if (!mld_link->active && vif->type != NL80211_IFTYPE_AP)
return;
if (link->chanreq.oper.chan->band != NL80211_BAND_6GHZ)