Return-path: Received: from mail-we0-f179.google.com ([74.125.82.179]:33400 "EHLO mail-we0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752382AbaCaMKe (ORCPT ); Mon, 31 Mar 2014 08:10:34 -0400 Received: by mail-we0-f179.google.com with SMTP id x48so4591941wes.38 for ; Mon, 31 Mar 2014 05:10:33 -0700 (PDT) From: Michal Kazior To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net, Michal Kazior Subject: [PATCH v3 4/5] mac80211: ignore cqm during csa Date: Mon, 31 Mar 2014 14:04:18 +0200 Message-Id: <1396267459-9976-5-git-send-email-michal.kazior@tieto.com> (sfid-20140331_141055_545272_DF4E190C) In-Reply-To: <1396267459-9976-1-git-send-email-michal.kazior@tieto.com> References: <1395409941-26303-1-git-send-email-michal.kazior@tieto.com> <1396267459-9976-1-git-send-email-michal.kazior@tieto.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: It is not guaranteed that multi-vif channel switching is tightly synchronized. It makes sense to ignore cqm (missing beacons, et al) while csa is progressing and re-check it after it completes. Signed-off-by: Michal Kazior --- net/mac80211/mlme.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 07a4324..ecf9681 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -983,6 +983,9 @@ static void ieee80211_chswitch_work(struct work_struct *work) ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED; + ieee80211_sta_reset_beacon_monitor(sdata); + ieee80211_sta_reset_conn_monitor(sdata); + out: mutex_unlock(&local->chanctx_mtx); mutex_unlock(&local->mtx); @@ -3570,6 +3573,9 @@ static void ieee80211_sta_bcn_mon_timer(unsigned long data) if (local->quiescing) return; + if (sdata->vif.csa_active) + return; + sdata->u.mgd.connection_loss = false; ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.beacon_connection_loss_work); @@ -3585,6 +3591,9 @@ static void ieee80211_sta_conn_mon_timer(unsigned long data) if (local->quiescing) return; + if (sdata->vif.csa_active) + return; + ieee80211_queue_work(&local->hw, &ifmgd->monitor_work); } -- 1.8.5.3