From 14bb4789833a2e2610f30e2d3e1451701ac96ec1 Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Tue, 2 Mar 2010 13:32:09 +0000 Subject: 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 Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/bridge/br_input.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'net/bridge/br_input.c') diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index d74d570fc848..333dfb7c5886 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -23,9 +23,11 @@ const u8 br_group_address[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 }; static int br_pass_frame_up(struct sk_buff *skb) { struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev; + struct net_bridge *br = netdev_priv(brdev); + struct br_cpu_netstats *brstats = this_cpu_ptr(br->stats); - brdev->stats.rx_packets++; - brdev->stats.rx_bytes += skb->len; + brstats->rx_packets++; + brstats->rx_bytes += skb->len; indev = skb->dev; skb->dev = brdev; -- cgit v1.2.3