bridge: mdb: fill state in br_mdb_notify

Fill also the port group state when sending notifications.

Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 7 insertions, 5 deletions

diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index e29ad70b3000..1fb7d076f15c 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -230,7 +230,7 @@ errout:
 }
 
 void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
-                   struct br_ip *group, int type)
+                   struct br_ip *group, int type, u8 state)
 {
         struct br_mdb_entry entry;
 
@@ -241,6 +241,7 @@ void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
 #if IS_ENABLED(CONFIG_IPV6)
         entry.addr.u.ip6 = group->u.ip6;
 #endif
+        entry.state = state;
         __br_mdb_notify(dev, &entry, type);
 }
 
@@ -348,7 +349,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
                 return -ENOMEM;
         rcu_assign_pointer(*pp, p);
 
-        br_mdb_notify(br->dev, port, group, RTM_NEWMDB);
+        br_mdb_notify(br->dev, port, group, RTM_NEWMDB, state);
         return 0;
 }
 
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 742a6c27d7a2..5a44cd9473f2 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -694,7 +694,7 @@ static int br_multicast_add_group(struct net_bridge *br,
         if (unlikely(!p))
                 goto err;
         rcu_assign_pointer(*pp, p);
-        br_mdb_notify(br->dev, port, group, RTM_NEWMDB);
+        br_mdb_notify(br->dev, port, group, RTM_NEWMDB, MDB_TEMPORARY);
 
 found:
         mod_timer(&p->timer, now + br->multicast_membership_interval);
@@ -1439,8 +1439,9 @@ br_multicast_leave_group(struct net_bridge *br,
                         rcu_assign_pointer(*pp, p->next);
                         hlist_del_init(&p->mglist);
                         del_timer(&p->timer);
+                        br_mdb_notify(br->dev, port, group, RTM_DELMDB,
+                                      p->state);
                         call_rcu_bh(&p->rcu, br_multicast_free_pg);
-                        br_mdb_notify(br->dev, port, group, RTM_DELMDB);
 
                         if (!mp->ports && !mp->mglist &&
                             netif_running(br->dev))
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 8b21146b24a0..c73fd785654d 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -488,7 +488,7 @@ br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group,
 void br_mdb_init(void);
 void br_mdb_uninit(void);
 void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
-                   struct br_ip *group, int type);
+                   struct br_ip *group, int type, u8 state);
 
 #define mlock_dereference(X, br) \
         rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))