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| author |   David S. Miller <davem@davemloft.net> | 2012-12-05 16:24:45 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-05 16:24:45 -0500 |
| commit | c2d3babfafbb9f6629cfb47139758e59a5eb0d80 (patch) | |
| tree | b8c1c6a8a89155f8b48c0d1dbedb23d88081fab5 /net/bridge/br_netlink.c | |
| parent | cnic: Fix rare race condition during iSCSI disconnect. (diff) | |
| download | linux-dev-c2d3babfafbb9f6629cfb47139758e59a5eb0d80.tar.xz linux-dev-c2d3babfafbb9f6629cfb47139758e59a5eb0d80.zip | |
bridge: implement multicast fast leave
V3: make it a flag
V2: make the toggle per-port
Fast leave allows bridge to immediately stops the multicast
traffic on the port receives IGMP Leave when IGMP snooping is enabled,
no timeouts are observed.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Diffstat (limited to 'net/bridge/br_netlink.c')
| -rw-r--r-- | net/bridge/br_netlink.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 65429b99a2a3..850b7d1f3a41 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -53,7 +53,8 @@ static int br_port_fill_attrs(struct sk_buff *skb, nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || - nla_put_u8(skb, IFLA_BRPORT_PROTECT, !!(p->flags & BR_ROOT_BLOCK))) + nla_put_u8(skb, IFLA_BRPORT_PROTECT, !!(p->flags & BR_ROOT_BLOCK)) || + nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, !!(p->flags & BR_MULTICAST_FAST_LEAVE))) return -EMSGSIZE; return 0; @@ -210,6 +211,7 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); + br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); if (tb[IFLA_BRPORT_COST]) { err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); |