diff options
Diffstat (limited to 'net/ipv6/xfrm6_state.c')
| -rw-r--r-- | net/ipv6/xfrm6_state.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c index b392bee396f..98b05f47232 100644 --- a/net/ipv6/xfrm6_state.c +++ b/net/ipv6/xfrm6_state.c @@ -14,6 +14,7 @@ #include <net/xfrm.h> #include <linux/pfkeyv2.h> #include <linux/ipsec.h> +#include <net/dsfield.h> #include <net/ipv6.h> #include <net/addrconf.h> @@ -168,13 +169,30 @@ __xfrm6_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n) return 0; } +int xfrm6_extract_header(struct sk_buff *skb) +{ + struct ipv6hdr *iph = ipv6_hdr(skb); + + XFRM_MODE_SKB_CB(skb)->id = 0; + XFRM_MODE_SKB_CB(skb)->frag_off = htons(IP_DF); + XFRM_MODE_SKB_CB(skb)->tos = ipv6_get_dsfield(iph); + XFRM_MODE_SKB_CB(skb)->ttl = iph->hop_limit; + XFRM_MODE_SKB_CB(skb)->protocol = iph->nexthdr; + memcpy(XFRM_MODE_SKB_CB(skb)->flow_lbl, iph->flow_lbl, + sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl)); + + return 0; +} + static struct xfrm_state_afinfo xfrm6_state_afinfo = { .family = AF_INET6, + .proto = IPPROTO_IPV6, .owner = THIS_MODULE, .init_tempsel = __xfrm6_init_tempsel, .tmpl_sort = __xfrm6_tmpl_sort, .state_sort = __xfrm6_state_sort, .output = xfrm6_output, + .extract_output = xfrm6_extract_output, }; void __init xfrm6_state_init(void) |