Return-path: Received: from mail.atheros.com ([12.36.123.2]:34353 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752381AbZBBOHD (ORCPT ); Mon, 2 Feb 2009 09:07:03 -0500 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Mon, 02 Feb 2009 06:07:03 -0800 From: Vasanthakumar Thiagarajan To: , CC: Subject: [PATCH] mac80211: Remove bss information of the current AP when it goes out of range Date: Mon, 2 Feb 2009 19:34:14 +0530 Message-ID: <1233583454-14957-1-git-send-email-vasanth@atheros.com> (sfid-20090202_150707_451357_E48E5C4F) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: There is no point having the bss information of currently associated AP when the AP is detected to be out of range. Signed-off-by: Vasanthakumar Thiagarajan --- net/mac80211/mlme.c | 17 +++++++++++++++-- 1 files changed, 15 insertions(+), 2 deletions(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 9d51e27..a671fc0 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1042,6 +1042,7 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta; int disassoc; + bool remove_bss = false; /* TODO: start monitoring current AP signal quality and number of * missed beacons. Scan other channels every now and then and search @@ -1067,6 +1068,7 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata, "range\n", sdata->dev->name, ifsta->bssid); disassoc = 1; + remove_bss = true; } else ieee80211_send_probe_req(sdata, ifsta->bssid, ifsta->ssid, @@ -1086,12 +1088,23 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); - if (disassoc) + if (disassoc) { ieee80211_set_disassoc(sdata, ifsta, true, true, WLAN_REASON_PREV_AUTH_NOT_VALID); - else + if (remove_bss) { + struct ieee80211_bss *bss; + + bss = ieee80211_rx_bss_get(local, ifsta->bssid, + local->hw.conf.channel->center_freq, + ifsta->ssid, ifsta->ssid_len); + if (bss) + atomic_dec(&bss->users); + ieee80211_rx_bss_put(local, bss); + } + } else { mod_timer(&ifsta->timer, jiffies + IEEE80211_MONITORING_INTERVAL); + } } -- 1.5.5.1