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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2009-02-03 10:09:49 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-02-09 15:03:48 -0500
commitd43e87868f67c5b52defd8d82bc3f54347ed2408 (patch)
treecc8a150a580bcdbadbaab64165c6e2ad4f84d7a3 /net/mac80211/mlme.c
parentde9f97efb2ea2a32a610932d881e4d3653e0f932 (diff)
mac80211: Remove bss information of the current AP when it goes out of range
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 <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 73808780f53..57967d32e5f 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 +1088,24 @@ 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);
+ }
}