Commit 59c1ec2b authored by Ben Greear's avatar Ben Greear Committed by Johannes Berg

mac80211: make beacon-loss-count configurable

On loaded systems with lots of VIFs, I see lots of beacon
timeouts, even though the connection to the AP is very
good.  Allow tuning the beacon-loss-count variable to
give the system longer to process beacons if the user
Signed-off-by: default avatarBen Greear <>
[add the number of beacons to the message]
Signed-off-by: default avatarJohannes Berg <>
parent 3a7bba64
......@@ -56,7 +56,10 @@ MODULE_PARM_DESC(max_probe_tries,
* probe on beacon miss before declaring the connection lost
* default to what we want.
static int beacon_loss_count = 7;
module_param(beacon_loss_count, int, 0644);
"Number of beacon intervals before we decide beacon was lost.");
* Time the connection can be idle before we probe
......@@ -1645,7 +1648,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value);
sdata->u.mgd.beacon_timeout = usecs_to_jiffies(ieee80211_tu_to_usec(
IEEE80211_BEACON_LOSS_COUNT * bss_conf->beacon_int));
beacon_loss_count * bss_conf->beacon_int));
sdata->u.mgd.associated = cbss;
memcpy(sdata->u.mgd.bssid, cbss->bssid, ETH_ALEN);
......@@ -1977,7 +1980,8 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
if (beacon)
"detected beacon loss from AP - probing\n");
"detected beacon loss from AP (missed %d beacons) - probing\n",
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