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Commit eef9e54c authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: send deauth when connection is lost 



If the driver determines the connection is lost,
send a deauth frame to the AP anyway just in case
it still considers the connection alive. The frame
might not go through, but at least we've tried.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 3f892b61

net/mac80211/mlme.c

+4 −5
Original line number Diff line number Diff line
@@ -1827,8 +1827,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw, 
}

EXPORT_SYMBOL(ieee80211_ap_probereq_get);



static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata,

				   bool transmit_frame)

static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)

{

	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;

	struct ieee80211_local *local = sdata->local;
@@ -1842,7 +1841,7 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata, 


	ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,

			       WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,

			       transmit_frame, frame_buf);

			       true, frame_buf);

	ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;

	mutex_unlock(&ifmgd->mtx);
@@ -1876,7 +1875,7 @@ static void ieee80211_beacon_connection_loss_work(struct work_struct *work) 
	if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR) {

		sdata_info(sdata, "Connection to AP %pM lost\n",

			   ifmgd->bssid);

		__ieee80211_disconnect(sdata, false);

		__ieee80211_disconnect(sdata);

	} else {

		ieee80211_mgd_probe_ap(sdata, true);

	}
@@ -1890,7 +1889,7 @@ static void ieee80211_csa_connection_drop_work(struct work_struct *work) 


	ieee80211_wake_queues_by_reason(&sdata->local->hw,

					IEEE80211_QUEUE_STOP_REASON_CSA);

	__ieee80211_disconnect(sdata, true);

	__ieee80211_disconnect(sdata);

}



void ieee80211_beacon_loss(struct ieee80211_vif *vif)