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mac80211: split out and decrease probe wait time 

The time we wait for a probe response after probing an AP due to
beacon loss is currently the same as the monitoring interval, 2s.
This is far too long, APs should respond to probes within a
fraction of that time. To be able to adjust both values, add a
new constant IEEE80211_PROBE_WAIT, use it for checking the probe
response, and adjust it down to 200ms instead of 2 seconds.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-05-12 20:11:26 +02:00 committed by John W. Linville
parent 34bfc411f6
commit e0502de6fe
1 changed files with 3 additions and 2 deletions
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5
net/mac80211/mlme.c
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@ -33,6 +33,7 @@
#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_MAX_TRIES 3
#define IEEE80211_MONITORING_INTERVAL (2 * HZ)
#define IEEE80211_PROBE_WAIT (HZ / 20)
#define IEEE80211_PROBE_IDLE_TIME (60 * HZ)
#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
@ -1205,7 +1206,7 @@ void ieee80211_beacon_loss_work(struct work_struct *work)
ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
ifmgd->ssid_len, NULL, 0);
mod_timer(&ifmgd->timer, jiffies + IEEE80211_MONITORING_INTERVAL);
mod_timer(&ifmgd->timer, jiffies + IEEE80211_PROBE_WAIT);
}
void ieee80211_beacon_loss(struct ieee80211_vif *vif)
@ -1242,7 +1243,7 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
}
if ((ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) &&
time_after(jiffies, sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
time_after(jiffies, sta->last_rx + IEEE80211_PROBE_WAIT)) {
printk(KERN_DEBUG "%s: no probe response from AP %pM "
"- disassociating\n",
sdata->dev->name, ifmgd->bssid);