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ipv6: use flag instead of u16 for hop in inet6_skb_parm

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Hop was always either 0 or sizeof(struct ipv6hdr).

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2015-07-08 23:32:12 +02:00 • committed by David S. Miller
parent 7c3d0d67d5
commit 8b58a39846
4 changed files with 8 additions and 8 deletions
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2
include/linux/ipv6.h
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@ -94,7 +94,6 @@ static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb)
struct inet6_skb_parm {
int iif;
__be16 ra;
__u16 hop;
__u16 dst0;
__u16 srcrt;
__u16 dst1;
@ -111,6 +110,7 @@ struct inet6_skb_parm {
#define IP6SKB_REROUTED 4
#define IP6SKB_ROUTERALERT 8
#define IP6SKB_FRAGMENTED 16
#define IP6SKB_HOPBYHOP 32
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))