Treat addresses added to the bridge itself in the same way as regular
ports and send out a notification so that drivers may sync it down to
the hardware FDB.

Signed-off-by: Tobias Waldekranz <tob...@waldekranz.com>
---
 net/bridge/br_fdb.c       |  4 ++--
 net/bridge/br_private.h   |  7 ++++---
 net/bridge/br_switchdev.c | 11 +++++------
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index b7490237f3fc..1d54ae0f58fb 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -602,7 +602,7 @@ void br_fdb_update(struct net_bridge *br, struct 
net_bridge_port *source,
                        /* fastpath: update of existing entry */
                        if (unlikely(source != fdb->dst &&
                                     !test_bit(BR_FDB_STICKY, &fdb->flags))) {
-                               br_switchdev_fdb_notify(fdb, RTM_DELNEIGH);
+                               br_switchdev_fdb_notify(br, fdb, RTM_DELNEIGH);
                                fdb->dst = source;
                                fdb_modified = true;
                                /* Take over HW learned entry */
@@ -735,7 +735,7 @@ static void fdb_notify(struct net_bridge *br,
        int err = -ENOBUFS;
 
        if (swdev_notify)
-               br_switchdev_fdb_notify(fdb, type);
+               br_switchdev_fdb_notify(br, fdb, type);
 
        skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC);
        if (skb == NULL)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index d62c6e1af64a..a3e20b747eca 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -1568,8 +1568,8 @@ bool nbp_switchdev_allowed_egress(const struct 
net_bridge_port *p,
 int br_switchdev_set_port_flag(struct net_bridge_port *p,
                               unsigned long flags,
                               unsigned long mask);
-void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb,
-                            int type);
+void br_switchdev_fdb_notify(struct net_bridge *br,
+                            const struct net_bridge_fdb_entry *fdb, int type);
 int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags,
                               struct netlink_ext_ack *extack);
 int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid);
@@ -1615,7 +1615,8 @@ static inline int br_switchdev_port_vlan_del(struct 
net_device *dev, u16 vid)
 }
 
 static inline void
-br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
+br_switchdev_fdb_notify(struct net_bridge *br,
+                       const struct net_bridge_fdb_entry *fdb, int type)
 {
 }
 
diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index 1090bb3d4ee0..125637c34f14 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -103,7 +103,8 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p,
 }
 
 void
-br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
+br_switchdev_fdb_notify(struct net_bridge *br,
+                       const struct net_bridge_fdb_entry *fdb, int type)
 {
        struct switchdev_notifier_fdb_info info = {
                .addr = fdb->key.addr.addr,
@@ -112,18 +113,16 @@ br_switchdev_fdb_notify(const struct net_bridge_fdb_entry 
*fdb, int type)
                .local = test_bit(BR_FDB_LOCAL, &fdb->flags),
                .offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags),
        };
-
-       if (!fdb->dst)
-               return;
+       struct net_device *dev = fdb->dst ? fdb->dst->dev : br->dev;
 
        switch (type) {
        case RTM_DELNEIGH:
                call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_DEVICE,
-                                        fdb->dst->dev, &info.info, NULL);
+                                        dev, &info.info, NULL);
                break;
        case RTM_NEWNEIGH:
                call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_DEVICE,
-                                        fdb->dst->dev, &info.info, NULL);
+                                        dev, &info.info, NULL);
                break;
        }
 }
-- 
2.17.1

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