Commit 6e899fa0 authored by Bassem Dawood's avatar Bassem Dawood Committed by Johannes Berg
Browse files

mac80211: Enable power save after receiving NULL packet ACK 



Trigger dynamic_ps_timer to re-evaluate power saving once a null
function packet (with PM = 1) is ACKed, otherwise dynamic PS is
not enabled at that point.

Signed-off-by: default avatarBassem Dawood <bassem@morsemicro.com>
Link: https://lore.kernel.org/r/20210227055815.14838-1-bassem@morsemicro.com


[reformatting]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 65be6aa3

net/mac80211/status.c

+3 −4
Original line number Diff line number Diff line
@@ -1006,12 +1006,11 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, 
	    ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) &&

	    !(info->flags & IEEE80211_TX_CTL_INJECTED) &&

	    local->ps_sdata && !(local->scanning)) {

		if (info->flags & IEEE80211_TX_STAT_ACK) {

		if (info->flags & IEEE80211_TX_STAT_ACK)

			local->ps_sdata->u.mgd.flags |=

					IEEE80211_STA_NULLFUNC_ACKED;

		} else

			mod_timer(&local->dynamic_ps_timer, jiffies +

					msecs_to_jiffies(10));

		mod_timer(&local->dynamic_ps_timer,

			  jiffies + msecs_to_jiffies(10));

	}



	ieee80211_report_used_skb(local, skb, false);