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mac80211: Remove bss information of the current AP when it goes out of range

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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>
This commit is contained in:
Vasanthakumar Thiagarajan 2009-02-03 10:09:49 +05:30 committed by John W. Linville
parent de9f97efb2
commit d43e87868f
1 changed files with 16 additions and 2 deletions
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18
net/mac80211/mlme.c
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@ -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);
}
}