net: Introduce skb_tunnel_rx() helper
skb rxhash should be cleared when a skb is handled by a tunnel before
being delivered again, so that correct packet steering can take place.
There are other cleanups and accounting that we can factorize in a new
helper, skb_tunnel_rx()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 5abae10..e51e650 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -566,11 +566,9 @@
kfree_skb(skb);
return 0;
}
- tunnel->dev->stats.rx_packets++;
- tunnel->dev->stats.rx_bytes += skb->len;
- skb->dev = tunnel->dev;
- skb_dst_drop(skb);
- nf_reset(skb);
+
+ skb_tunnel_rx(skb, tunnel->dev);
+
ipip6_ecn_decapsulate(iph, skb);
netif_rx(skb);
rcu_read_unlock();