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authorFelix Fietkau <nbd@nbd.name>2021-07-14 16:24:32 +0200
committerFelix Fietkau <nbd@nbd.name>2021-07-14 18:09:23 +0200
commit19228c456208776b2d9862fc1974c3e91c01a816 (patch)
tree172645c40012dc812f1739708ca5598b71d6b1f4 /package/kernel
parenta5888ad6b33840d913438ce664c0e7da7e7f53e6 (diff)
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mac80211: merge a 4-addr client mode fix
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel')
-rw-r--r--package/kernel/mac80211/patches/subsys/383-mac80211-fix-enabling-4-address-mode-on-a-sta-vif-af.patch72
1 files changed, 72 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/383-mac80211-fix-enabling-4-address-mode-on-a-sta-vif-af.patch b/package/kernel/mac80211/patches/subsys/383-mac80211-fix-enabling-4-address-mode-on-a-sta-vif-af.patch
new file mode 100644
index 0000000000..5a82f00c9e
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/383-mac80211-fix-enabling-4-address-mode-on-a-sta-vif-af.patch
@@ -0,0 +1,72 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Fri, 2 Jul 2021 06:57:53 +0200
+Subject: [PATCH] mac80211: fix enabling 4-address mode on a sta vif after
+ assoc
+
+Notify the driver about the 4-address mode change and also send a nulldata
+packet to the AP to notify it about the change
+
+Fixes: 1ff4e8f2dec8 ("mac80211: notify the driver when a sta uses 4-address mode")
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -152,6 +152,8 @@ static int ieee80211_change_iface(struct
+ struct vif_params *params)
+ {
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
++ struct ieee80211_local *local = sdata->local;
++ struct sta_info *sta;
+ int ret;
+
+ ret = ieee80211_if_change_type(sdata, type);
+@@ -162,7 +164,24 @@ static int ieee80211_change_iface(struct
+ RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
+ ieee80211_check_fast_rx_iface(sdata);
+ } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
++ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
++
++ if (params->use_4addr == ifmgd->use_4addr)
++ return 0;
++
+ sdata->u.mgd.use_4addr = params->use_4addr;
++ if (!ifmgd->associated)
++ return 0;
++
++ mutex_lock(&local->sta_mtx);
++ sta = sta_info_get(sdata, ifmgd->bssid);
++ if (sta)
++ drv_sta_set_4addr(local, sdata, &sta->sta,
++ params->use_4addr);
++ mutex_unlock(&local->sta_mtx);
++
++ if (params->use_4addr)
++ ieee80211_send_4addr_nullfunc(local, sdata);
+ }
+
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -2224,6 +2224,8 @@ void ieee80211_dynamic_ps_timer(struct t
+ void ieee80211_send_nullfunc(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ bool powersave);
++void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
++ struct ieee80211_sub_if_data *sdata);
+ void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
+
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1115,8 +1115,8 @@ void ieee80211_send_nullfunc(struct ieee
+ ieee80211_tx_skb(sdata, skb);
+ }
+
+-static void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
+- struct ieee80211_sub_if_data *sdata)
++void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
++ struct ieee80211_sub_if_data *sdata)
+ {
+ struct sk_buff *skb;
+ struct ieee80211_hdr *nullfunc;