Patch "wifi: mac80211: fix qos on mesh interfaces" has been added to the 5.15-stable tree

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

    wifi: mac80211: fix qos on mesh interfaces

to the 5.15-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:
     wifi-mac80211-fix-qos-on-mesh-interfaces.patch
and it can be found in the queue-5.15 subdirectory.

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


>From 4e348c6c6e23491ae6eb5e077848a42d0562339c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@xxxxxxxx>
Date: Tue, 14 Mar 2023 10:59:50 +0100
Subject: wifi: mac80211: fix qos on mesh interfaces

From: Felix Fietkau <nbd@xxxxxxxx>

commit 4e348c6c6e23491ae6eb5e077848a42d0562339c upstream.

When ieee80211_select_queue is called for mesh, the sta pointer is usually
NULL, since the nexthop is looked up much later in the tx path.
Explicitly check for unicast address in that case in order to make qos work
again.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 50e2ab392919 ("wifi: mac80211: fix queue selection for mesh/OCB interfaces")
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Link: https://lore.kernel.org/r/20230314095956.62085-1-nbd@xxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/mac80211/wme.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -143,12 +143,14 @@ u16 ieee80211_select_queue_80211(struct
 u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
 			     struct sta_info *sta, struct sk_buff *skb)
 {
+	const struct ethhdr *eth = (void *)skb->data;
 	struct mac80211_qos_map *qos_map;
 	bool qos;
 
 	/* all mesh/ocb stations are required to support WME */
-	if (sta && (sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
-		    sdata->vif.type == NL80211_IFTYPE_OCB))
+	if ((sdata->vif.type == NL80211_IFTYPE_MESH_POINT &&
+	    !is_multicast_ether_addr(eth->h_dest)) ||
+	    (sdata->vif.type == NL80211_IFTYPE_OCB && sta))
 		qos = true;
 	else if (sta)
 		qos = sta->sta.wme;


Patches currently in stable-queue which might be from nbd@xxxxxxxx are

queue-5.15/wifi-mac80211-fix-qos-on-mesh-interfaces.patch



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