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tunnels: prepare percpu accounting

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Tunnels are going to use percpu for their accounting.

They are going to use a new tstats field in net_device.

skb_tunnel_rx() is changed to be a wrapper around __skb_tunnel_rx()

IPTUNNEL_XMIT() is changed to be a wrapper around __IPTUNNEL_XMIT()

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 2010-09-27 00:33:35 +00:00 • committed by David S. Miller
commit 290b895e0b
3 changed files with 27 additions and 10 deletions
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1
include/linux/netdevice.h
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@ -1053,6 +1053,7 @@ struct net_device {
union {
void *ml_priv;
struct pcpu_lstats __percpu *lstats; /* loopback stats */
struct pcpu_tstats __percpu *tstats; /* tunnel stats */
};
/* GARP */
struct garp_port *garp_port;