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mac80211: Enable power save after receiving NULL packet ACK

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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: Bassem Dawood <bassem@morsemicro.com>
Link: https://lore.kernel.org/r/20210227055815.14838-1-bassem@morsemicro.com
[reformatting]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Bassem Dawood 2021-02-27 16:58:15 +11:00 committed by Johannes Berg
parent 65be6aa36d
commit 6e899fa027
1 changed files with 3 additions and 4 deletions
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7
net/mac80211/status.c
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@ -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);