Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:63502 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753992Ab2COAUG (ORCPT ); Wed, 14 Mar 2012 20:20:06 -0400 From: Rajkumar Manoharan To: CC: , , Rajkumar Manoharan , Jouni Malinen , Kalle Valo Subject: [PATCH] mac80211: do not send pspoll when powersave is disabled Date: Thu, 15 Mar 2012 05:50:36 +0530 Message-ID: <1331770836-20312-1-git-send-email-rmanohar@qca.qualcomm.com> (sfid-20120315_012011_825372_A97186FC) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- net/mac80211/mlme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 39c1393..355a5e7 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; /* -- 1.7.9.4