Patch "iwlwifi: mvm: Use aux queue for offchannel frames in dqa" has been added to the 4.9-stable tree

Patch "iwlwifi: mvm: Use aux queue for offchannel frames in dqa" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    iwlwifi: mvm: Use aux queue for offchannel frames in dqa

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     iwlwifi-mvm-use-aux-queue-for-offchannel-frames-in-dqa.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 6574dc943fc32a2fce69fab14891abca7eecb67c Mon Sep 17 00:00:00 2001
From: Beni Lev <beni.lev@intel.com>
Date: Thu, 17 Nov 2016 14:03:17 +0200
Subject: iwlwifi: mvm: Use aux queue for offchannel frames in dqa

From: Beni Lev <beni.lev@intel.com>

commit 6574dc943fc32a2fce69fab14891abca7eecb67c upstream.

Since offchannel activity doesn't always require a BSS, e.g. ANQP
sessions, offchannel frames should not use the BSS queue, because it
might not be initialized.
Use the auxilary queue instead

Fixes: e3118ad74d7e ("iwlwifi: mvm: support tdls in dqa mode")
Signed-off-by: Beni Lev <beni.lev@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/intel/iwlwifi/mvm/tx.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -568,9 +568,10 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mv
 	 * (this is not possible for unicast packets as a TLDS discovery
 	 * response are sent without a station entry); otherwise use the
 	 * AUX station.
-	 * In DQA mode, if vif is of type STATION and frames are not multicast,
-	 * they should be sent from the BSS queue. For example, TDLS setup
-	 * frames should be sent on this queue, as they go through the AP.
+	 * In DQA mode, if vif is of type STATION and frames are not multicast
+	 * or offchannel, they should be sent from the BSS queue.
+	 * For example, TDLS setup frames should be sent on this queue,
+	 * as they go through the AP.
 	 */
 	sta_id = mvm->aux_sta.sta_id;
 	if (info.control.vif) {
@@ -592,7 +593,8 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mv
 			if (ap_sta_id != IWL_MVM_STATION_COUNT)
 				sta_id = ap_sta_id;
 		} else if (iwl_mvm_is_dqa_supported(mvm) &&
-			   info.control.vif->type == NL80211_IFTYPE_STATION) {
+			   info.control.vif->type == NL80211_IFTYPE_STATION &&
+			   queue != mvm->aux_queue) {
 			queue = IWL_MVM_DQA_BSS_CLIENT_QUEUE;
 		}
 	}


Patches currently in stable-queue which might be from beni.lev@intel.com are

queue-4.9/iwlwifi-mvm-use-aux-queue-for-offchannel-frames-in-dqa.patch