lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

net: rx_dropped accounting

Browse Source 
Under load, netif_rx() can drop incoming packets but administrators dont
have a chance to spot which device needs some tuning (RPS activation for
example)

This patch adds rx_dropped accounting in vlans and tunnels.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-09-20 00:12:11 +00:00
committed by David S. Miller
parent 462fb2af97
commit 8990f468ae
7 changed files with 28 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/ipv6/sit.c
View File

@@ -564,7 +564,10 @@ static int ipip6_rcv(struct sk_buff *skb)
skb_tunnel_rx(skb, tunnel->dev);
ipip6_ecn_decapsulate(iph, skb);
netif_rx(skb);
if (netif_rx(skb) == NET_RX_DROP)
tunnel->dev->stats.rx_dropped++;
rcu_read_unlock();
return 0;
}