net: replace br_fdb_external_learn_* calls with switchdev notifier events
This patch benefits from newly introduced switchdev notifier and uses it
to propagate fdb learn events from rocker driver to bridge. That avoids
direct function calls and possible use by other listeners (ovs).
Suggested-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index e6e0372..03667e6 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -990,26 +990,14 @@
}
}
-int br_fdb_external_learn_add(struct net_device *dev,
+int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
const unsigned char *addr, u16 vid)
{
- struct net_bridge_port *p;
- struct net_bridge *br;
struct hlist_head *head;
struct net_bridge_fdb_entry *fdb;
int err = 0;
- rtnl_lock();
-
- p = br_port_get_rtnl(dev);
- if (!p) {
- pr_info("bridge: %s not a bridge port\n", dev->name);
- err = -EINVAL;
- goto err_rtnl_unlock;
- }
-
- br = p->br;
-
+ ASSERT_RTNL();
spin_lock_bh(&br->hash_lock);
head = &br->hash[br_mac_hash(addr, vid)];
@@ -1034,33 +1022,18 @@
err_unlock:
spin_unlock_bh(&br->hash_lock);
-err_rtnl_unlock:
- rtnl_unlock();
return err;
}
-EXPORT_SYMBOL(br_fdb_external_learn_add);
-int br_fdb_external_learn_del(struct net_device *dev,
+int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
const unsigned char *addr, u16 vid)
{
- struct net_bridge_port *p;
- struct net_bridge *br;
struct hlist_head *head;
struct net_bridge_fdb_entry *fdb;
int err = 0;
- rtnl_lock();
-
- p = br_port_get_rtnl(dev);
- if (!p) {
- pr_info("bridge: %s not a bridge port\n", dev->name);
- err = -EINVAL;
- goto err_rtnl_unlock;
- }
-
- br = p->br;
-
+ ASSERT_RTNL();
spin_lock_bh(&br->hash_lock);
head = &br->hash[br_mac_hash(addr, vid)];
@@ -1071,9 +1044,6 @@
err = -ENOENT;
spin_unlock_bh(&br->hash_lock);
-err_rtnl_unlock:
- rtnl_unlock();
return err;
}
-EXPORT_SYMBOL(br_fdb_external_learn_del);