From: Rajkumar Manoharan Date: Thu, 15 Mar 2012 00:20:36 +0000 (+0530) Subject: mac80211: do not send pspoll when powersave is disabled X-Git-Tag: v3.5-rc1~109^2~487^2^2~100 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6f0756a38fc4cf016070f218bf78930b4c1f9a0f;p=linux.git mac80211: do not send pspoll when powersave is disabled There might be latency at AP side to update TIM IE which could cause the station to send pspoll frame even after the wakeup. If the powersave is disabled, the nullfunc notification alone is sufficient to receive frames from the AP. And if the pspoll frame was already sent, no need to resend the frame till it was acked by AP. Cc: Jouni Malinen Cc: Kalle Valo Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 576fb25456dd..48d0ee3f15dc 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2472,7 +2472,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); ieee80211_send_nullfunc(local, sdata, 0); - } else { + } else if (!local->pspolling && sdata->u.mgd.powersave) { local->pspolling = true; /*