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authorNaftali Goldstein <naftali.goldstein@intel.com>2021-04-09 12:40:14 +0300
committerJohannes Berg <johannes.berg@intel.com>2021-04-19 12:06:44 +0200
commit7dd231eb9ca607d93d00be39df1f01377e2b7d1f (patch)
tree73af763890eb17232f8887e44b4f9f658545590d /net
parentf12ce9f607ffa5c617cd86cb7a7a0aaefe58f127 (diff)
downloadlinux-7dd231eb9ca607d93d00be39df1f01377e2b7d1f.tar.gz
mac80211: drop the connection if firmware crashed while in CSA
Don't bother keeping the link in that case. It is way
too complicated to keep the connection.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210409123755.a126c8833398.I677bdac314dd50d90474a90593902c17f9410cc4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/main.c9
-rw-r--r--net/mac80211/mlme.c4
3 files changed, 12 insertions, 3 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ecda126a7026..8fcbaa1eedf3 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1660,6 +1660,8 @@ void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
 void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
 void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
 void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
+				   u8 *bssid, u8 reason, bool tx);
 
 /* IBSS code */
 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0331f3a3c40e..62145e5f9628 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -5,7 +5,7 @@
  * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2017     Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
  */
 
 #include <net/mac80211.h>
@@ -282,6 +282,13 @@ static void ieee80211_restart_work(struct work_struct *work)
 			 * Then we can have a race...
 			 */
 			cancel_work_sync(&sdata->u.mgd.csa_connection_drop_work);
+			if (sdata->vif.csa_active) {
+				sdata_lock(sdata);
+				ieee80211_sta_connection_lost(sdata,
+							      sdata->u.mgd.associated->bssid,
+							      WLAN_REASON_UNSPECIFIED, false);
+				sdata_unlock(sdata);
+			}
 		}
 		flush_delayed_work(&sdata->dec_tailroom_needed_wk);
 	}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 36070a991df0..2d88ff76247f 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4384,8 +4384,8 @@ static void ieee80211_sta_timer(struct timer_list *t)
 	ieee80211_queue_work(&sdata->local->hw, &sdata->work);
 }
 
-static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
-					  u8 *bssid, u8 reason, bool tx)
+void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
+				   u8 *bssid, u8 reason, bool tx)
 {
 	u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];