summaryrefslogtreecommitdiff
path: root/net/bridge/br.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/bridge/br.c')
-rw-r--r--net/bridge/br.c62
1 files changed, 59 insertions, 3 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c
index ef743f94254d..d3a32c6813e0 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -201,6 +201,48 @@ static struct notifier_block br_switchdev_notifier = {
.notifier_call = br_switchdev_event,
};
+/* called under rtnl_mutex */
+static int br_switchdev_blocking_event(struct notifier_block *nb,
+ unsigned long event, void *ptr)
+{
+ struct netlink_ext_ack *extack = netdev_notifier_info_to_extack(ptr);
+ struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
+ struct switchdev_notifier_brport_info *brport_info;
+ const struct switchdev_brport *b;
+ struct net_bridge_port *p;
+ int err = NOTIFY_DONE;
+
+ p = br_port_get_rtnl(dev);
+ if (!p)
+ goto out;
+
+ switch (event) {
+ case SWITCHDEV_BRPORT_OFFLOADED:
+ brport_info = ptr;
+ b = &brport_info->brport;
+
+ err = br_switchdev_port_offload(p, b->dev, b->ctx,
+ b->atomic_nb, b->blocking_nb,
+ b->tx_fwd_offload, extack);
+ err = notifier_from_errno(err);
+ break;
+ case SWITCHDEV_BRPORT_UNOFFLOADED:
+ brport_info = ptr;
+ b = &brport_info->brport;
+
+ br_switchdev_port_unoffload(p, b->ctx, b->atomic_nb,
+ b->blocking_nb);
+ break;
+ }
+
+out:
+ return err;
+}
+
+static struct notifier_block br_switchdev_blocking_notifier = {
+ .notifier_call = br_switchdev_blocking_event,
+};
+
/* br_boolopt_toggle - change user-controlled boolean option
*
* @br: bridge device
@@ -214,17 +256,22 @@ static struct notifier_block br_switchdev_notifier = {
int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on,
struct netlink_ext_ack *extack)
{
+ int err = 0;
+
switch (opt) {
case BR_BOOLOPT_NO_LL_LEARN:
br_opt_toggle(br, BROPT_NO_LL_LEARN, on);
break;
+ case BR_BOOLOPT_MCAST_VLAN_SNOOPING:
+ err = br_multicast_toggle_vlan_snooping(br, on, extack);
+ break;
default:
/* shouldn't be called with unsupported options */
WARN_ON(1);
break;
}
- return 0;
+ return err;
}
int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt)
@@ -232,6 +279,8 @@ int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt)
switch (opt) {
case BR_BOOLOPT_NO_LL_LEARN:
return br_opt_get(br, BROPT_NO_LL_LEARN);
+ case BR_BOOLOPT_MCAST_VLAN_SNOOPING:
+ return br_opt_get(br, BROPT_MCAST_VLAN_SNOOPING_ENABLED);
default:
/* shouldn't be called with unsupported options */
WARN_ON(1);
@@ -348,11 +397,15 @@ static int __init br_init(void)
if (err)
goto err_out4;
- err = br_netlink_init();
+ err = register_switchdev_blocking_notifier(&br_switchdev_blocking_notifier);
if (err)
goto err_out5;
- brioctl_set(br_ioctl_deviceless_stub);
+ err = br_netlink_init();
+ if (err)
+ goto err_out6;
+
+ brioctl_set(br_ioctl_stub);
#if IS_ENABLED(CONFIG_ATM_LANE)
br_fdb_test_addr_hook = br_fdb_test_addr;
@@ -366,6 +419,8 @@ static int __init br_init(void)
return 0;
+err_out6:
+ unregister_switchdev_blocking_notifier(&br_switchdev_blocking_notifier);
err_out5:
unregister_switchdev_notifier(&br_switchdev_notifier);
err_out4:
@@ -385,6 +440,7 @@ static void __exit br_deinit(void)
{
stp_proto_unregister(&br_stp_proto);
br_netlink_fini();
+ unregister_switchdev_blocking_notifier(&br_switchdev_blocking_notifier);
unregister_switchdev_notifier(&br_switchdev_notifier);
unregister_netdevice_notifier(&br_device_notifier);
brioctl_set(NULL);