From 89126327f921bd278c72284d38428443bbef344f Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Sun, 4 Oct 2015 14:23:38 +0200 Subject: bridge: netlink: add support for multicast_snooping Add IFLA_BR_MCAST_SNOOPING to allow enabling/disabling multicast snooping via netlink. Signed-off-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- net/bridge/br_netlink.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'net/bridge/br_netlink.c') diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index f4df609c1ad9..25e1c66d70f1 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -768,6 +768,7 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, .len = ETH_ALEN }, [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, + [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, }; static int br_changelink(struct net_device *brdev, struct nlattr *tb[], @@ -871,6 +872,14 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[], if (err) return err; } + + if (data[IFLA_BR_MCAST_SNOOPING]) { + u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); + + err = br_multicast_toggle(br, mcast_snooping); + if (err) + return err; + } #endif return 0; @@ -902,6 +911,7 @@ static size_t br_get_size(const struct net_device *brdev) nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ #ifdef CONFIG_BRIDGE_IGMP_SNOOPING nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ + nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ #endif 0; } @@ -960,7 +970,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) #endif #ifdef CONFIG_BRIDGE_IGMP_SNOOPING - if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router)) + if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) || + nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, !br->multicast_disabled)) return -EMSGSIZE; #endif -- cgit v1.2.3