1 #ifndef _NF_TABLES_IPV6_H_
2 #define _NF_TABLES_IPV6_H_
4 #include <linux/netfilter_ipv6/ip6_tables.h>
8 nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt,
10 const struct nf_hook_state *state)
12 int protohdr, thoff = 0;
13 unsigned short frag_off;
15 nft_set_pktinfo(pkt, skb, state);
17 protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
19 nft_set_pktinfo_proto_unspec(pkt, skb);
23 pkt->tprot_set = true;
24 pkt->tprot = protohdr;
25 pkt->xt.thoff = thoff;
26 pkt->xt.fragoff = frag_off;
30 __nft_set_pktinfo_ipv6_validate(struct nft_pktinfo *pkt,
32 const struct nf_hook_state *state)
34 #if IS_ENABLED(CONFIG_IPV6)
35 struct ipv6hdr *ip6h, _ip6h;
36 unsigned int thoff = 0;
37 unsigned short frag_off;
41 ip6h = skb_header_pointer(skb, skb_network_offset(skb), sizeof(*ip6h),
46 if (ip6h->version != 6)
49 pkt_len = ntohs(ip6h->payload_len);
50 if (pkt_len + sizeof(*ip6h) > skb->len)
53 protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
57 pkt->tprot_set = true;
58 pkt->tprot = protohdr;
59 pkt->xt.thoff = thoff;
60 pkt->xt.fragoff = frag_off;
69 nft_set_pktinfo_ipv6_validate(struct nft_pktinfo *pkt,
71 const struct nf_hook_state *state)
73 nft_set_pktinfo(pkt, skb, state);
74 if (__nft_set_pktinfo_ipv6_validate(pkt, skb, state) < 0)
75 nft_set_pktinfo_proto_unspec(pkt, skb);
78 extern struct nft_af_info nft_af_ipv6;