xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bridge: per-cpu packet statistics (v3)

Browse Source 
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>
This commit is contained in:
stephen hemminger
2010-03-02 13:32:09 +00:00
committed by David S. Miller
parent 0a9627f264
commit 14bb478983
4 changed files with 57 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
net/bridge/br_if.c
View File

@@ -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);