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net: Introduce skb_tunnel_rx() helper

Browse source 
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet 2010-05-17 22:36:55 -07:00 • committed by David S. Miller
commit d19d56ddc8
7 changed files with 34 additions and 34 deletions
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8
net/ipv6/ip6_tunnel.c
View file

@ -723,14 +723,10 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
skb->protocol = htons(protocol);
skb->pkt_type = PACKET_HOST;
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
skb->dev = t->dev;
skb_dst_drop(skb);
nf_reset(skb);
skb_tunnel_rx(skb, t->dev);
dscp_ecn_decapsulate(t, ipv6h, skb);
t->dev->stats.rx_packets++;
t->dev->stats.rx_bytes += skb->len;
netif_rx(skb);
rcu_read_unlock();
return 0;

8
net/ipv6/ip6mr.c
View file

@ -658,14 +658,12 @@ static int pim6_rcv(struct sk_buff *skb)
skb->mac_header = skb->network_header;
skb_pull(skb, (u8 *)encap - skb->data);
skb_reset_network_header(skb);
skb->dev = reg_dev;
skb->protocol = htons(ETH_P_IPV6);
skb->ip_summed = 0;
skb->pkt_type = PACKET_HOST;
skb_dst_drop(skb);
reg_dev->stats.rx_bytes += skb->len;
reg_dev->stats.rx_packets++;
nf_reset(skb);
skb_tunnel_rx(skb, reg_dev);
netif_rx(skb);
dev_put(reg_dev);
return 0;

8
net/ipv6/sit.c
View file

@ -566,11 +566,9 @@ static int ipip6_rcv(struct sk_buff *skb)
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();