From 1f78ee14eeac03952ec765cea7ce23cbf12d6894 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Wed, 13 Apr 2022 13:51:59 +0300 Subject: net: bridge: fdb: add support for fine-grained flushing Add the ability to specify exactly which fdbs to be flushed. They are described by a new structure - net_bridge_fdb_flush_desc. Currently it can match on port/bridge ifindex, vlan id and fdb flags. It is used to describe the existing dynamic fdb flush operation. Note that this flush operation doesn't treat permanent entries in a special way (fdb_delete vs fdb_delete_local), it will delete them regardless if any port is using them, so currently it can't directly replace deletes which need to handle that case, although we can extend it later for that too. Signed-off-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- net/bridge/br_netlink.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'net/bridge/br_netlink.c') diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 200ad05b296f..bb01776d2d88 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1326,8 +1326,13 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[], br_recalculate_fwd_mask(br); } - if (data[IFLA_BR_FDB_FLUSH]) - br_fdb_flush(br); + if (data[IFLA_BR_FDB_FLUSH]) { + struct net_bridge_fdb_flush_desc desc = { + .flags_mask = BR_FDB_STATIC + }; + + br_fdb_flush(br, &desc); + } #ifdef CONFIG_BRIDGE_IGMP_SNOOPING if (data[IFLA_BR_MCAST_ROUTER]) { -- cgit v1.2.3