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mac80211: allow CSA to self with immediate quiet

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Currently, due to some buggy APs that continue to include
CSA IEs after the switch, we ignore CSA to same channel.
However, some other APs may do CSA to self in order to have
immediate quiet. Allow it. Do it only for beacons.

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 13:17:16 +02:00 committed by Johannes Berg
parent fafd2bce5a
commit 9792875ccd
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/mlme.c
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@ -1353,7 +1353,8 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
}
if (cfg80211_chandef_identical(&csa_ie.chandef,
&sdata->vif.bss_conf.chandef)) {
&sdata->vif.bss_conf.chandef) &&
(!csa_ie.mode || !beacon)) {
if (ifmgd->csa_ignored_same_chan)
return;
sdata_info(sdata,