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Commit c63722cf authored by Alexander Bondar's avatar Alexander Bondar Committed by Emmanuel Grumbach
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iwlwifi: mvm: Change beacon filter enablement condition 



Enable beacon filter only if at least one beacon from candidate
AP is received before or after association. Check this condition before
enabling BF upon secured association completion. Add BF enablement to
mac80211 event that indicates beacon is received after association.
Too early beacon filtering enablement can lead to disconnection due to
missing AP's beacon after association.

Signed-off-by: default avatarAlexander Bondar <alexander.bondar@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 1f00c721

drivers/net/wireless/iwlwifi/mvm/mac80211.c

+4 −1
Original line number Diff line number Diff line
@@ -1237,6 +1237,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 
		 */

		iwl_mvm_remove_time_event(mvm, mvmvif,

					  &mvmvif->time_event_data);

		WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, CMD_SYNC));

	} else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |

			      BSS_CHANGED_QOS)) {

		ret = iwl_mvm_power_update_mac(mvm, vif);
@@ -1611,7 +1612,9 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 
	} else if (old_state == IEEE80211_STA_ASSOC &&

		   new_state == IEEE80211_STA_AUTHORIZED) {

		/* enable beacon filtering */

		WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, CMD_SYNC));

		if (vif->bss_conf.dtim_period)

			WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif,

							     CMD_SYNC));

		ret = 0;

	} else if (old_state == IEEE80211_STA_AUTHORIZED &&

		   new_state == IEEE80211_STA_ASSOC) {