From 9cf637473c8535b5abe27fee79254c2d552e042a Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 9 Apr 2007 12:57:54 -0700 Subject: bridge: add sysfs hook to flush forwarding table The RSTP daemon needs to be able to flush all dynamic forwarding entries in the case of topology change. This is a temporary interface. It will change to a netlink interface before RSTP daemon is officially released. Signed-off-by: Stephen Hemminger --- net/bridge/br_fdb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'net/bridge/br_fdb.c') diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index dd5a5d5fb280..22645e3edf23 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -135,7 +135,26 @@ void br_fdb_cleanup(unsigned long _data) mod_timer(&br->gc_timer, jiffies + HZ/10); } +/* Completely flush all dynamic entries in forwarding database.*/ +void br_fdb_flush(struct net_bridge *br) +{ + int i; + spin_lock_bh(&br->hash_lock); + for (i = 0; i < BR_HASH_SIZE; i++) { + struct net_bridge_fdb_entry *f; + struct hlist_node *h, *n; + hlist_for_each_entry_safe(f, h, n, &br->hash[i], hlist) { + if (!f->is_static) + fdb_delete(f); + } + } + spin_unlock_bh(&br->hash_lock); +} + +/* Flush all entries refering to a specific port. + * if do_all is set also flush static entries + */ void br_fdb_delete_by_port(struct net_bridge *br, const struct net_bridge_port *p, int do_all) -- cgit v1.2.3-59-g8ed1b