diff options
| author | stephen hemminger <shemminger@vyatta.com> | 2010-03-02 14:32:09 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-17 05:23:19 +0100 |
| commit | 14bb4789833a2e2610f30e2d3e1451701ac96ec1 (patch) | |
| tree | 992a40f1c885d22f6bce27d270e5839b1d8d121b /net/bridge/br_if.c | |
| parent | rps: Receive Packet Steering (diff) | |
| download | linux-14bb4789833a2e2610f30e2d3e1451701ac96ec1.tar.xz linux-14bb4789833a2e2610f30e2d3e1451701ac96ec1.zip | |
bridge: per-cpu packet statistics (v3)
The shared packet statistics are a potential source of slow down
on bridged traffic. Convert to per-cpu array, but only keep those
statistics which change per-packet.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_if.c')
| -rw-r--r-- | net/bridge/br_if.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index b6a3872f5681..b7cdd2e98050 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -185,6 +185,12 @@ static struct net_device *new_bridge_dev(struct net *net, const char *name) br = netdev_priv(dev); br->dev = dev; + br->stats = alloc_percpu(struct br_cpu_netstats); + if (!br->stats) { + free_netdev(dev); + return NULL; + } + spin_lock_init(&br->lock); INIT_LIST_HEAD(&br->port_list); spin_lock_init(&br->hash_lock); |