3 files changed, 51 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 832acea4a5cb..025b7592b797 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -241,6 +241,22 @@ static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
 	return ret;
 }
 
+static inline void drv_set_multicast_list(struct ieee80211_local *local,
+					  struct ieee80211_sub_if_data *sdata,
+					  struct netdev_hw_addr_list *mc_list)
+{
+	bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
+
+	trace_drv_set_multicast_list(local, sdata, mc_list->count);
+
+	check_sdata_in_driver(sdata);
+
+	if (local->ops->set_multicast_list)
+		local->ops->set_multicast_list(&local->hw, &sdata->vif,
+					       allmulti, mc_list);
+	trace_drv_return_void(local);
+}
+
 static inline void drv_configure_filter(struct ieee80211_local *local,
 					unsigned int changed_flags,
 					unsigned int *total_flags,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index d85282f64405..9875e321c9e8 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -919,6 +919,17 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
 			atomic_dec(&local->iff_promiscs);
 		sdata->flags ^= IEEE80211_SDATA_PROMISC;
 	}
+
+	/*
+	 * TODO: If somebody needs this on AP interfaces,
+	 *	 it can be enabled easily but multicast
+	 *	 addresses from VLANs need to be synced.
+	 */
+	if (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
+	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+	    sdata->vif.type != NL80211_IFTYPE_AP)
+		drv_set_multicast_list(local, sdata, &dev->mc);
+
 	spin_lock_bh(&local->filter_lock);
 	__hw_addr_sync(&local->mc_list, &dev->mc, dev->addr_len);
 	spin_unlock_bh(&local->filter_lock);
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index e7db2b804e0c..d97e4305cf1e 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -431,6 +431,30 @@ TRACE_EVENT(drv_prepare_multicast,
 	)
 );
 
+TRACE_EVENT(drv_set_multicast_list,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_sub_if_data *sdata, int mc_count),
+
+	TP_ARGS(local, sdata, mc_count),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+		__field(bool, allmulti)
+		__field(int, mc_count)
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+		__entry->allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
+		__entry->mc_count = mc_count;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT " configure mc filter, count=%d, allmulti=%d",
+		LOCAL_PR_ARG, __entry->mc_count, __entry->allmulti
+	)
+);
+
 TRACE_EVENT(drv_configure_filter,
 	TP_PROTO(struct ieee80211_local *local,
 		 unsigned int changed_flags,