diff options
| author | Ben Greear <greearb@candelatech.com> | 2013-03-19 14:19:56 -0700 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-03-22 11:31:55 +0100 |
| commit | 59c1ec2b7884a044967883d9e6169a2cbb4715f3 (patch) | |
| tree | cab48cc18684560c3b595275cd3ed5a8b797432a /net/mac80211/mlme.c | |
| parent | 3a7bba649eaaa2068aa6e86ed8bcd10245d1f817 (diff) | |
| download | linux-59c1ec2b7884a044967883d9e6169a2cbb4715f3.tar.bz2 | |
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
prefers.
Signed-off-by: Ben Greear <greearb@candelatech.com>
[add the number of beacons to the message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 4d383a93ea73..b86b8d4e02a8 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -56,7 +56,10 @@ MODULE_PARM_DESC(max_probe_tries, * probe on beacon miss before declaring the connection lost * default to what we want. */ -#define IEEE80211_BEACON_LOSS_COUNT 7 +static int beacon_loss_count = 7; +module_param(beacon_loss_count, int, 0644); +MODULE_PARM_DESC(beacon_loss_count, + "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) mlme_dbg_ratelimited(sdata, - "detected beacon loss from AP - probing\n"); + "detected beacon loss from AP (missed %d beacons) - probing\n", + beacon_loss_count); ieee80211_cqm_rssi_notify(&sdata->vif, NL80211_CQM_RSSI_BEACON_LOSS_EVENT, GFP_KERNEL); |