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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_sysfs_if.c | |
| parent | 0d650ec75a0d2525dbc98f1a04ed0b2a4bf5d3ac (diff) | |
| download | lwn-c2d3babfafbb9f6629cfb47139758e59a5eb0d80.tar.gz lwn-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_sysfs_if.c')
| -rw-r--r-- | net/bridge/br_sysfs_if.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c index dc484ace0be3..a1ef1b6e14dc 100644 --- a/net/bridge/br_sysfs_if.c +++ b/net/bridge/br_sysfs_if.c @@ -173,24 +173,7 @@ static int store_multicast_router(struct net_bridge_port *p, static BRPORT_ATTR(multicast_router, S_IRUGO | S_IWUSR, show_multicast_router, store_multicast_router); -static ssize_t show_multicast_fast_leave(struct net_bridge_port *p, - char *buf) -{ - return sprintf(buf, "%d\n", p->multicast_fast_leave); -} - -static int store_multicast_fast_leave(struct net_bridge_port *p, - unsigned long v) -{ - if (p->br->multicast_disabled) - return -EINVAL; - - p->multicast_fast_leave = !!v; - return 0; -} - -static BRPORT_ATTR(multicast_fast_leave, S_IRUGO | S_IWUSR, - show_multicast_fast_leave, store_multicast_fast_leave); +BRPORT_ATTR_FLAG(multicast_fast_leave, BR_MULTICAST_FAST_LEAVE); #endif static const struct brport_attribute *brport_attrs[] = { |