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iwlwifi: mvm: quietly accept non-sta disassoc frames

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When a station that's not associated sends a data frame (e.g. an NDP)
hostapd will respond with a disassoc frame, telling it that it's not
associated. The station might also not be authenticated, in which case
there will not be a station entry for it, and as a result we need to
accept such frames without a station.

Fixes: 3ee0f0e23e ("iwlwifi: mvm: fix DQA AP mode station assumption")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2017-06-12 11:24:06 +02:00 committed by Luca Coelho
parent 678d9b6ddd
commit 51da3d8b94
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
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@ -568,9 +568,12 @@ static int iwl_mvm_get_ctrl_vif_queue(struct iwl_mvm *mvm,
* station that we don't have, or similarly an association
* response (with non-success status) for a station we can't
* accept.
* Also, disassociate frames might happen, particular with
* reason 7 ("Class 3 frame received from nonassociated STA").
*/
if (ieee80211_is_probe_resp(fc) || ieee80211_is_auth(fc) ||
ieee80211_is_deauth(fc) || ieee80211_is_assoc_resp(fc))
ieee80211_is_deauth(fc) || ieee80211_is_assoc_resp(fc) ||
ieee80211_is_disassoc(fc))
return mvm->probe_queue;
if (info->hw_queue == info->control.vif->cab_queue)
return mvmvif->cab_queue;