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mac80211: ignore quiet mode in probe 

Some buggy APs keep the CSA IE in probes after the channel
switch was completed and can silence us for no good reason.
Apply quiet mode only from beacons. If there is real channel
switch going on, we will see the beacon anyway.

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>
This commit is contained in:
Sara Sharon 2019-02-06 13:17:17 +02:00 committed by Johannes Berg
parent 9792875ccd
commit 7976b1e9e3
1 changed files with 3 additions and 3 deletions
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6
net/mac80211/mlme.c
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@ -1316,7 +1316,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (!res) {
ch_switch.timestamp = timestamp;
ch_switch.device_timestamp = device_timestamp;
ch_switch.block_tx = csa_ie.mode;
ch_switch.block_tx = beacon ? csa_ie.mode : 0;
ch_switch.chandef = csa_ie.chandef;
ch_switch.count = csa_ie.count;
ch_switch.delay = csa_ie.max_switch_time;
@ -1409,7 +1409,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->vif.csa_active = true;
sdata->csa_chandef = csa_ie.chandef;
sdata->csa_block_tx = csa_ie.mode;
sdata->csa_block_tx = ch_switch.block_tx;
ifmgd->csa_ignored_same_chan = false;
if (sdata->csa_block_tx)
@ -1443,7 +1443,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
* reset when the disconnection worker runs.
*/
sdata->vif.csa_active = true;
sdata->csa_block_tx = csa_ie.mode;
sdata->csa_block_tx = ch_switch.block_tx;
ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);