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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 <jouni@qca.qualcomm.com>
Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2012-03-15 05:50:36 +05:30 committed by John W. Linville
parent 01e189182d
commit 6f0756a38f
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/mlme.c
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@ -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;
/*