include/net/netfilter/nf_tables_ipv6.h

   1 #ifndef _NF_TABLES_IPV6_H_
   2 #define _NF_TABLES_IPV6_H_
   3
   4 #include <linux/netfilter_ipv6/ip6_tables.h>
   5 #include <net/ipv6.h>
   6
   7 static inline int
   8 nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt,
   9                      struct sk_buff *skb,
  10                      const struct nf_hook_state *state)
  11 {
  12         int protohdr, thoff = 0;
  13         unsigned short frag_off;
  14
  15         nft_set_pktinfo(pkt, skb, state);
  16
  17         protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
  18         /* If malformed, drop it */
  19         if (protohdr < 0)
  20                 return -1;
  21
  22         pkt->tprot = protohdr;
  23         pkt->xt.thoff = thoff;
  24         pkt->xt.fragoff = frag_off;
  25
  26         return 0;
  27 }
  28
  29 extern struct nft_af_info nft_af_ipv6;
  30
  31 #endif