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authorDavid S. Miller <davem@davemloft.net>2012-12-05 22:24:45 +0100
committerDavid S. Miller <davem@davemloft.net>2012-12-05 22:24:45 +0100
commitc2d3babfafbb9f6629cfb47139758e59a5eb0d80 (patch)
treeb8c1c6a8a89155f8b48c0d1dbedb23d88081fab5 /net/bridge/br_sysfs_if.c
parentcnic: Fix rare race condition during iSCSI disconnect. (diff)
downloadlinux-c2d3babfafbb9f6629cfb47139758e59a5eb0d80.tar.xz
linux-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.c19
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[] = {