From 9b0c6e4deb3df91bf0aea8158ea77dc58c9d90b6 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Tue, 6 Oct 2015 14:12:01 +0200 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- 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; } -- 2.30.2