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mac80211: drop the connection if firmware crashed while in CSA

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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>
This commit is contained in:
Naftali Goldstein 2021-04-09 12:40:14 +03:00 committed by Johannes Berg
parent f12ce9f607
commit 7dd231eb9c
3 changed files with 12 additions and 3 deletions
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2
net/mac80211/ieee80211_i.h
View File

@ -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);

9
net/mac80211/main.c
View File

@ -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);
}

4
net/mac80211/mlme.c
View File

@ -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];