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authorHerbert Xu <herbert@gondor.apana.org.au>2007-10-10 18:44:06 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 19:55:54 -0400
commit7b277b1a5fb147cb828e5d8b9780cee60f31a9bf (patch)
tree21af4818d7ba9d646a281517f476d81d4245cc30 /net/ipv6/mip6.c
parentbee0b40c0621396326d1c17b81833f59118a2d80 (diff)
[IPSEC]: Set skb->data to payload in x->mode->output
This patch changes the calling convention so that on entry from x->mode->output and before entry into x->type->output skb->data will point to the payload instead of the IP header. This is essentially a redistribution of skb_push/skb_pull calls with the aim of minimising them on the common path of tunnel + ESP. It'll also let us use the same calling convention between IPv4 and IPv6 with the next patch. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/mip6.c')
-rw-r--r--net/ipv6/mip6.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 6475baca63d2..0e7a60f7393a 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -153,6 +153,7 @@ static int mip6_destopt_output(struct xfrm_state *x, struct sk_buff *skb)
153 u8 nexthdr; 153 u8 nexthdr;
154 int len; 154 int len;
155 155
156 skb_push(skb, -skb_network_offset(skb));
156 iph = ipv6_hdr(skb); 157 iph = ipv6_hdr(skb);
157 iph->payload_len = htons(skb->len - sizeof(*iph)); 158 iph->payload_len = htons(skb->len - sizeof(*iph));
158 159
@@ -367,6 +368,7 @@ static int mip6_rthdr_output(struct xfrm_state *x, struct sk_buff *skb)
367 struct rt2_hdr *rt2; 368 struct rt2_hdr *rt2;
368 u8 nexthdr; 369 u8 nexthdr;
369 370
371 skb_push(skb, -skb_network_offset(skb));
370 iph = ipv6_hdr(skb); 372 iph = ipv6_hdr(skb);
371 iph->payload_len = htons(skb->len - sizeof(*iph)); 373 iph->payload_len = htons(skb->len - sizeof(*iph));
372 374