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| 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_sysfs_br.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_sysfs_br.c')
| -rw-r--r-- | net/bridge/br_sysfs_br.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c index 01a22ad0cc75..6cc5cfe665cd 100644 --- a/net/bridge/br_sysfs_br.c +++ b/net/bridge/br_sysfs_br.c @@ -309,6 +309,19 @@ static ssize_t store_group_addr(struct device *d, static DEVICE_ATTR(group_addr, S_IRUGO | S_IWUSR, show_group_addr, store_group_addr); +static ssize_t store_flush(struct device *d, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct net_bridge *br = to_bridge(d); + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + br_fdb_flush(br); + return len; +} +static DEVICE_ATTR(flush, S_IWUSR, NULL, store_flush); static struct attribute *bridge_attrs[] = { &dev_attr_forward_delay.attr, @@ -328,6 +341,7 @@ static struct attribute *bridge_attrs[] = { &dev_attr_topology_change_timer.attr, &dev_attr_gc_timer.attr, &dev_attr_group_addr.attr, + &dev_attr_flush.attr, NULL }; |