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Commit 5ec42ecf authored by Alexander Bondar's avatar Alexander Bondar Committed by Johannes Berg
Browse files

iwlwifi: mvm: enable PM always in unassociated mode 



In unassociated BSS STA mode FW verifies both power save and power
management flags to decide on switching power off. The driver currently
sets power management flag according to mac80211 decision. As result, in
unassociated mode power management flag is down and power consumption is
high. Change power management enablement. When unassociated in BPS and
LP power save modes enable power management regardless of mac80211
decision. Rely on mac80211 decision if associated. Add power management
state update during associated/disassociated modes transitions.

Signed-off-by: default avatarAlexander Bondar <alexander.bondar@intel.com>
Reviewed-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 4bf881f5

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

+3 −0
Original line number Diff line number Diff line
@@ -763,6 +763,9 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 
			if (ret)

				IWL_ERR(mvm, "failed to update quotas\n");

		}

		ret = iwl_mvm_power_update_mode(mvm, vif);

		if (ret)

			IWL_ERR(mvm, "failed to update power mode\n");

	} else if (changes & BSS_CHANGED_DTIM_PERIOD) {

		/*

		 * We received a beacon _after_ association so

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

+2 −0
Original line number Diff line number Diff line
@@ -168,6 +168,8 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 
		return;



	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);

	if (!vif->bss_conf.assoc)

		cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);



#ifdef CONFIG_IWLWIFI_DEBUGFS

	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&