From: Nikolay Aleksandrov <nikolay@xxxxxxxxxxxxxxxxxxx>
Add IFLA_BRPORT_FLUSH to allow flushing port's fdb similar to sysfs's
flush.
Signed-off-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxxxxxxxxxxx>
---
include/uapi/linux/if_link.h | 1 +
net/bridge/br_netlink.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 9c17f605e013..fcea39a56095 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -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)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 04b0e5072686..6468166d6bdc 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -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;
}
--
2.4.3
