diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2006-10-12 14:45:38 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-10-15 23:14:13 -0700 |
| commit | 1a620698c29b5e18150ec04ace0609fb07d08d3e (patch) | |
| tree | c63d5aaa4bfbed335cd7aeb594ad66c3182e086b /net | |
| parent | 9ea8cfd6aa74e710f0cb0731ecb9dee53fbebfb9 (diff) | |
| download | linux-1a620698c29b5e18150ec04ace0609fb07d08d3e.tar.gz linux-1a620698c29b5e18150ec04ace0609fb07d08d3e.tar.bz2 linux-1a620698c29b5e18150ec04ace0609fb07d08d3e.zip | |
[BRIDGE]: flush forwarding table when device carrier off
Flush the forwarding table when carrier is lost. This helps for
availability because we don't want to forward to a downed device and
new packets may come in on other links.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_fdb.c | 7 | ||||
| -rw-r--r-- | net/bridge/br_if.c | 4 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 2 | ||||
| -rw-r--r-- | net/bridge/br_stp_if.c | 2 |
4 files changed, 11 insertions, 4 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 3a73b8c94271..d9f04864d15d 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -128,7 +128,10 @@ void br_fdb_cleanup(unsigned long _data) mod_timer(&br->gc_timer, jiffies + HZ/10); } -void br_fdb_delete_by_port(struct net_bridge *br, struct net_bridge_port *p) + +void br_fdb_delete_by_port(struct net_bridge *br, + const struct net_bridge_port *p, + int do_all) { int i; @@ -142,6 +145,8 @@ void br_fdb_delete_by_port(struct net_bridge *br, struct net_bridge_port *p) if (f->dst != p) continue; + if (f->is_static && !do_all) + continue; /* * if multiple ports all have the same device address * then when one port is deleted, assign diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index b1211d5342f6..f753c40c11d2 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -163,7 +163,7 @@ static void del_nbp(struct net_bridge_port *p) br_stp_disable_port(p); spin_unlock_bh(&br->lock); - br_fdb_delete_by_port(br, p); + br_fdb_delete_by_port(br, p, 1); list_del_rcu(&p->list); @@ -448,7 +448,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) return 0; err2: - br_fdb_delete_by_port(br, p); + br_fdb_delete_by_port(br, p, 1); err1: kobject_del(&p->kobj); err0: diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index c491fb2f280e..74258d86f256 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -143,7 +143,7 @@ extern void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); extern void br_fdb_cleanup(unsigned long arg); extern void br_fdb_delete_by_port(struct net_bridge *br, - struct net_bridge_port *p); + const struct net_bridge_port *p, int do_all); extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, const unsigned char *addr); extern struct net_bridge_fdb_entry *br_fdb_get(struct net_bridge *br, diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 14cd025079af..d294224592db 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -113,6 +113,8 @@ void br_stp_disable_port(struct net_bridge_port *p) del_timer(&p->forward_delay_timer); del_timer(&p->hold_timer); + br_fdb_delete_by_port(br, p, 0); + br_configuration_update(br); br_port_state_selection(br); |