Commit 0c5b9329 authored Sep 29, 2013 by Felix Fietkau Committed by Johannes Berg Sep 30, 2013

mac80211: update sta->last_rx on acked tx frames



When clients are idle for too long, hostapd sends nullfunc frames for
probing. When those are acked by the client, the idle time needs to be
updated.

To make this work (and to avoid unnecessary probing), update sta->last_rx
whenever an ACK was received for a tx packet. Only do this if the flag
IEEE80211_HW_REPORTS_TX_ACK_STATUS is set.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 03bb7f42

net/mac80211/status.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -180,6 +180,9 @@ static void ieee80211_frame_acked(struct sta_info sta, struct sk_buff skb)
		struct ieee80211_local *local = sta->local;
		struct ieee80211_sub_if_data *sdata = sta->sdata;

		if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
		sta->last_rx = jiffies;

		if (ieee80211_is_data_qos(mgmt->frame_control)) {
		struct ieee80211_hdr hdr = (void ) skb->data;
		u8 *qc = ieee80211_get_qos_ctl(hdr);