[IPV6]: Move nextheader offset to the IP6CB
Move nextheader offset to the IP6CB to make it possible to pass a
packet to ip6_input_finish multiple times and have it skip already
parsed headers. As a nice side effect this gets rid of the manual
hopopts skipping in ip6_input_finish.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 93bbed5..5cfc715 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -191,6 +191,7 @@
__u16 srcrt;
__u16 dst1;
__u16 lastopt;
+ __u32 nhoff;
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 63f7db9..6dc5970 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -43,7 +43,7 @@
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
struct inet6_protocol
{
- int (*handler)(struct sk_buff **skb, unsigned int *nhoffp);
+ int (*handler)(struct sk_buff **skb);
void (*err_handler)(struct sk_buff *skb,
struct inet6_skb_parm *opt,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 07d7b50..297d09d 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -831,7 +831,7 @@
};
struct xfrm6_tunnel {
- int (*handler)(struct sk_buff **pskb, unsigned int *nhoffp);
+ int (*handler)(struct sk_buff **pskb);
void (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
int type, int code, int offset, __u32 info);
};
@@ -868,8 +868,8 @@
extern int xfrm4_output(struct sk_buff *skb);
extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler);
extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler);
-extern int xfrm6_rcv_spi(struct sk_buff **pskb, unsigned int *nhoffp, u32 spi);
-extern int xfrm6_rcv(struct sk_buff **pskb, unsigned int *nhoffp);
+extern int xfrm6_rcv_spi(struct sk_buff **pskb, u32 spi);
+extern int xfrm6_rcv(struct sk_buff **pskb);
extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler);
extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler);
extern u32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);