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bridge: Add a flag to control unicast packet flood.

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Add a flag to control flood of unicast traffic.  By default, flood is
on and the bridge will flood unicast traffic if it doesn't know
the destination.  When the flag is turned off, unicast traffic
without an FDB will not be forwarded to the specified port.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich 2013-06-05 10:08:01 -04:00 • committed by David S. Miller
parent 9ba18891f7
commit 867a59436f
8 changed files with 32 additions and 16 deletions
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include/uapi/linux/if_link.h
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@ -222,6 +222,7 @@ enum {
IFLA_BRPORT_PROTECT, /* root port protection */
IFLA_BRPORT_FAST_LEAVE, /* multicast fast leave */
IFLA_BRPORT_LEARNING, /* mac learning */
IFLA_BRPORT_UNICAST_FLOOD, /* flood unicast traffic */
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)