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authorFelix Fietkau <nbd@nbd.name>2021-07-02 07:01:11 +0200
committerJohannes Berg <johannes.berg@intel.com>2021-07-23 10:34:13 +0200
commita5d3cbdb09ff1f52cbe040932e06c8b9915c6dad (patch)
tree7378314f23cd896f29e13f4ca7c5a219b48f1a4e /net
parentmac80211: fix starting aggregation sessions on mesh interfaces (diff)
downloadlinux-a5d3cbdb09ff1f52cbe040932e06c8b9915c6dad.tar.xz
linux-a5d3cbdb09ff1f52cbe040932e06c8b9915c6dad.zip
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> Link: https://lore.kernel.org/r/20210702050111.47546-1-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/cfg.c19
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/mlme.c4
3 files changed, 23 insertions, 2 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 84cc7733ea66..4e6f11e63df3 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -152,6 +152,8 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
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 wiphy *wiphy,
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) {
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 22549b95d1aa..30ce6d2ec7ce 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2201,6 +2201,8 @@ void ieee80211_dynamic_ps_timer(struct timer_list *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);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a00f11a33699..c0ea3b1aa9e1 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1095,8 +1095,8 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
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;