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iwlmvm: tdls: Check TDLS channel switch support 

Some versions of the FW don't support channel switch in TDLS.
Add a condition that checks it.

Fixes: 307e47235a ("iwlwifi: mvm: configure TDLS peers to FW")
Signed-off-by: Aviya Erenfeld <aviya.erenfeld@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Aviya Erenfeld 2018-03-26 14:35:32 +03:00 committed by Luca Coelho
parent fabdcc2ecd
commit 15c4e33030
1 changed files with 11 additions and 5 deletions
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16
drivers/net/wireless/intel/iwlwifi/mvm/tdls.c
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@ -7,6 +7,7 @@
*
* Copyright(c) 2014 Intel Mobile Communications GmbH
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(C) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -18,9 +19,7 @@
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
* along with this program.
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
@ -33,6 +32,7 @@
*
* Copyright(c) 2014 Intel Mobile Communications GmbH
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(C) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -188,8 +188,14 @@ void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
if (tdls_sta_cnt == 1 && sta_added)
iwl_mvm_power_update_mac(mvm);
/* configure the FW with TDLS peer info */
iwl_mvm_tdls_config(mvm, vif);
/* Configure the FW with TDLS peer info only if TDLS channel switch
* capability is set.
* TDLS config data is used currently only in TDLS channel switch code.
* Supposed to serve also TDLS buffer station which is not implemneted
* yet in FW*/
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH))
iwl_mvm_tdls_config(mvm, vif);
/* when the last peer leaves, send a power update last */
if (tdls_sta_cnt == 0 && !sta_added)