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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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8
net/ipv6/tcp_ipv6.c
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@ -486,7 +486,9 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
struct sk_buff *pktopts = treq->pktopts;
struct inet6_skb_parm *rxopt = IP6CB(pktopts);
if (rxopt->srcrt)
opt = ipv6_invert_rthdr(sk, (struct ipv6_rt_hdr*)(pktopts->nh.raw + rxopt->srcrt));
opt = ipv6_invert_rthdr(sk,
(struct ipv6_rt_hdr *)(skb_network_header(pktopts) +
rxopt->srcrt));
}
if (opt && opt->srcrt) {
@ -1389,7 +1391,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
opt == NULL && treq->pktopts) {
struct inet6_skb_parm *rxopt = IP6CB(treq->pktopts);
if (rxopt->srcrt)
opt = ipv6_invert_rthdr(sk, (struct ipv6_rt_hdr *)(treq->pktopts->nh.raw + rxopt->srcrt));
opt = ipv6_invert_rthdr(sk,
(struct ipv6_rt_hdr *)(skb_network_header(treq->pktopts) +
rxopt->srcrt));
}
if (dst == NULL) {