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authorRajkumar Manoharan <rmanohar@qca.qualcomm.com>2012-03-15 04:20:36 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-04-10 00:05:54 +0400
commit6f0756a38fc4cf016070f218bf78930b4c1f9a0f (patch)
tree7059244cf8cf0c35588e81e9ccf5b9b6b40e3e53
parent01e189182d62d6ee3603233fc88f9235e9830b92 (diff)
downloadlinux-6f0756a38fc4cf016070f218bf78930b4c1f9a0f.tar.xz
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>
-rw-r--r--net/mac80211/mlme.c2
1 files changed, 1 insertions, 1 deletions
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;
/*