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bridge: netlink: allow to flush port's fdb 

Add IFLA_BRPORT_FLUSH to allow flushing port's fdb similar to sysfs's
flush.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-10-06 14:12:01 +02:00 committed by David S. Miller
parent 61c0a9a83e
commit 9b0c6e4deb
2 changed files with 4 additions and 0 deletions
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1
include/uapi/linux/if_link.h
View File

@ -303,6 +303,7 @@ enum {
IFLA_BRPORT_MESSAGE_AGE_TIMER,
IFLA_BRPORT_FORWARD_DELAY_TIMER,
IFLA_BRPORT_HOLD_TIMER,
IFLA_BRPORT_FLUSH,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)

3
net/bridge/br_netlink.c
View File

@ -631,6 +631,9 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
return err;
}
if (tb[IFLA_BRPORT_FLUSH])
br_fdb_delete_by_port(p->br, p, 0, 0);
br_port_flags_change(p, old_flags ^ p->flags);
return 0;
}