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authorSara Sharon <sara.sharon@intel.com>2015-09-21 15:47:40 +0300
committerJohannes Berg <johannes.berg@intel.com>2015-09-22 16:22:50 +0300
commitbabc305e21ea3811d98b67437299360904ac1b6a (patch)
treea252db421217b4173274814420c98308dddaec48 /net
parent2df1b131b54f431877a6665139dac805ba5ce1a5 (diff)
downloadlinux-babc305e21ea3811d98b67437299360904ac1b6a.tar.xz
mac80211: reset CQM history upon reconfiguration
The current behavior of notifying CQM events is inconsistent: Upon first configuration there is a cqm event with the current status according to threshold configured, regardless of signal stability. When there is reconfiguration no event is sent unless there is a significant change to the signal level according to the new configuration. Since the current reconfiguration behavior might cause missing CQM events in case the current signal did not change but is on the other side of the new threshold, fix that by resetting the stored signal level upon reconfiguration. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/cfg.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a30ec3ce3d25..7a77a1470f25 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2474,6 +2474,7 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
bss_conf->cqm_rssi_thold = rssi_thold;
bss_conf->cqm_rssi_hyst = rssi_hyst;
+ sdata->u.mgd.last_cqm_event_signal = 0;
/* tell the driver upon association, unless already associated */
if (sdata->u.mgd.associated &&