diff options
| author |   Stephen Hemminger <shemminger@linux-foundation.org> | 2007-04-09 12:57:54 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:47 -0700 |
| commit | 9cf637473c8535b5abe27fee79254c2d552e042a (patch) | |
| tree | 98d73249a2a75eaa23bbbc6c235eca0182f52a3d /net/bridge/br_fdb.c | |
| parent | bridge: simpler hash with salt (diff) | |
| download | linux-dev-9cf637473c8535b5abe27fee79254c2d552e042a.tar.xz linux-dev-9cf637473c8535b5abe27fee79254c2d552e042a.zip | |
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 <shemminger@linux-foundation.org>
Diffstat (limited to 'net/bridge/br_fdb.c')
| -rw-r--r-- | net/bridge/br_fdb.c | 19 |
1 files changed, 19 insertions, 0 deletions
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) |