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[SK_BUFF]: Introduce skb_network_header()

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For the places where we need a pointer to the network header, it is still legal
to touch skb->nh.raw directly if just adding to, subtracting from or setting it
to another layer header.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-10 20:50:43 -07:00
committed by David S. Miller
parent bbe735e424
commit d56f90a7c9
59 changed files with 258 additions and 185 deletions
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4
net/ipv4/xfrm4_mode_beet.c
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@@ -98,7 +98,7 @@ static int xfrm4_beet_input(struct xfrm_state *x, struct sk_buff *skb)
}
skb->nh.raw = skb->data + (phlen - sizeof(*iph));
memmove(skb->nh.raw, iph, sizeof(*iph));
memmove(skb_network_header(skb), iph, sizeof(*iph));
skb->h.raw = skb->data + (phlen + optlen);
skb->data = skb->h.raw;
@@ -112,7 +112,7 @@ static int xfrm4_beet_input(struct xfrm_state *x, struct sk_buff *skb)
else
iph->protocol = protocol;
iph->check = 0;
iph->check = ip_fast_csum(skb->nh.raw, iph->ihl);
iph->check = ip_fast_csum(skb_network_header(skb), iph->ihl);
err = 0;
out:
return err;