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Diffstat (limited to 'net/bridge/br.c')
-rw-r--r--net/bridge/br.c52
1 files changed, 51 insertions, 1 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 44425aff7cba..fb57ab6b24f9 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -19,6 +19,7 @@
#include <linux/llc.h>
#include <net/llc.h>
#include <net/stp.h>
+#include <net/switchdev.h>
#include "br_private.h"
@@ -120,6 +121,48 @@ static struct notifier_block br_device_notifier = {
.notifier_call = br_device_event
};
+static int br_netdev_switch_event(struct notifier_block *unused,
+ unsigned long event, void *ptr)
+{
+ struct net_device *dev = netdev_switch_notifier_info_to_dev(ptr);
+ struct net_bridge_port *p;
+ struct net_bridge *br;
+ struct netdev_switch_notifier_fdb_info *fdb_info;
+ int err = NOTIFY_DONE;
+
+ rtnl_lock();
+ p = br_port_get_rtnl(dev);
+ if (!p)
+ goto out;
+
+ br = p->br;
+
+ switch (event) {
+ case NETDEV_SWITCH_FDB_ADD:
+ fdb_info = ptr;
+ err = br_fdb_external_learn_add(br, p, fdb_info->addr,
+ fdb_info->vid);
+ if (err)
+ err = notifier_from_errno(err);
+ break;
+ case NETDEV_SWITCH_FDB_DEL:
+ fdb_info = ptr;
+ err = br_fdb_external_learn_del(br, p, fdb_info->addr,
+ fdb_info->vid);
+ if (err)
+ err = notifier_from_errno(err);
+ break;
+ }
+
+out:
+ rtnl_unlock();
+ return err;
+}
+
+static struct notifier_block br_netdev_switch_notifier = {
+ .notifier_call = br_netdev_switch_event,
+};
+
static void __net_exit br_net_exit(struct net *net)
{
struct net_device *dev;
@@ -169,10 +212,14 @@ static int __init br_init(void)
if (err)
goto err_out3;
- err = br_netlink_init();
+ err = register_netdev_switch_notifier(&br_netdev_switch_notifier);
if (err)
goto err_out4;
+ err = br_netlink_init();
+ if (err)
+ goto err_out5;
+
brioctl_set(br_ioctl_deviceless_stub);
#if IS_ENABLED(CONFIG_ATM_LANE)
@@ -185,6 +232,8 @@ static int __init br_init(void)
return 0;
+err_out5:
+ unregister_netdev_switch_notifier(&br_netdev_switch_notifier);
err_out4:
unregister_netdevice_notifier(&br_device_notifier);
err_out3:
@@ -202,6 +251,7 @@ static void __exit br_deinit(void)
{
stp_proto_unregister(&br_stp_proto);
br_netlink_fini();
+ unregister_netdev_switch_notifier(&br_netdev_switch_notifier);
unregister_netdevice_notifier(&br_device_notifier);
brioctl_set(NULL);
unregister_pernet_subsys(&br_net_ops);