diff options
| -rw-r--r-- | net/bridge/br_multicast.c | 28 | ||||
| -rw-r--r-- | net/bridge/br_netlink.c | 4 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 3 | ||||
| -rw-r--r-- | net/bridge/br_sysfs_br.c | 8 |
4 files changed, 27 insertions, 16 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 9d265447d654..4daa95c913d0 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1593,7 +1593,8 @@ out: spin_unlock(&br->multicast_lock); } -static void br_mc_disabled_update(struct net_device *dev, bool value) +static int br_mc_disabled_update(struct net_device *dev, bool value, + struct netlink_ext_ack *extack) { struct switchdev_attr attr = { .orig_dev = dev, @@ -1602,11 +1603,13 @@ static void br_mc_disabled_update(struct net_device *dev, bool value) .u.mc_disabled = !value, }; - switchdev_port_attr_set(dev, &attr, NULL); + return switchdev_port_attr_set(dev, &attr, extack); } int br_multicast_add_port(struct net_bridge_port *port) { + int err; + port->multicast_router = MDB_RTR_TYPE_TEMP_QUERY; port->multicast_eht_hosts_limit = BR_MCAST_DEFAULT_EHT_HOSTS_LIMIT; @@ -1618,8 +1621,12 @@ int br_multicast_add_port(struct net_bridge_port *port) timer_setup(&port->ip6_own_query.timer, br_ip6_multicast_port_query_expired, 0); #endif - br_mc_disabled_update(port->dev, - br_opt_get(port->br, BROPT_MULTICAST_ENABLED)); + err = br_mc_disabled_update(port->dev, + br_opt_get(port->br, + BROPT_MULTICAST_ENABLED), + NULL); + if (err) + return err; port->mcast_stats = netdev_alloc_pcpu_stats(struct bridge_mcast_stats); if (!port->mcast_stats) @@ -3560,16 +3567,23 @@ static void br_multicast_start_querier(struct net_bridge *br, rcu_read_unlock(); } -int br_multicast_toggle(struct net_bridge *br, unsigned long val) +int br_multicast_toggle(struct net_bridge *br, unsigned long val, + struct netlink_ext_ack *extack) { struct net_bridge_port *port; bool change_snoopers = false; + int err = 0; spin_lock_bh(&br->multicast_lock); if (!!br_opt_get(br, BROPT_MULTICAST_ENABLED) == !!val) goto unlock; - br_mc_disabled_update(br->dev, val); + err = br_mc_disabled_update(br->dev, val, extack); + if (err == -EOPNOTSUPP) + err = 0; + if (err) + goto unlock; + br_opt_toggle(br, BROPT_MULTICAST_ENABLED, !!val); if (!br_opt_get(br, BROPT_MULTICAST_ENABLED)) { change_snoopers = true; @@ -3607,7 +3621,7 @@ unlock: br_multicast_leave_snoopers(br); } - return 0; + return err; } bool br_multicast_enabled(const struct net_device *dev) diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index f2b1343f8332..0456593aceec 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1293,7 +1293,9 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[], if (data[IFLA_BR_MCAST_SNOOPING]) { u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); - br_multicast_toggle(br, mcast_snooping); + err = br_multicast_toggle(br, mcast_snooping, extack); + if (err) + return err; } if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 50747990188e..7ce8a77cc6b6 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -810,7 +810,8 @@ void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, bool local_rcv, bool local_orig); int br_multicast_set_router(struct net_bridge *br, unsigned long val); int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); -int br_multicast_toggle(struct net_bridge *br, unsigned long val); +int br_multicast_toggle(struct net_bridge *br, unsigned long val, + struct netlink_ext_ack *extack); int br_multicast_set_querier(struct net_bridge *br, unsigned long val); int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c index 072e29840082..381467b691d5 100644 --- a/net/bridge/br_sysfs_br.c +++ b/net/bridge/br_sysfs_br.c @@ -409,17 +409,11 @@ static ssize_t multicast_snooping_show(struct device *d, return sprintf(buf, "%d\n", br_opt_get(br, BROPT_MULTICAST_ENABLED)); } -static int toggle_multicast(struct net_bridge *br, unsigned long val, - struct netlink_ext_ack *extack) -{ - return br_multicast_toggle(br, val); -} - static ssize_t multicast_snooping_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) { - return store_bridge_parm(d, buf, len, toggle_multicast); + return store_bridge_parm(d, buf, len, br_multicast_toggle); } static DEVICE_ATTR_RW(multicast_snooping); |