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                      const struct nf_hook_ops *ops,
  10                      struct sk_buff *skb,
  11                      const struct net_device *in,
  12                      const struct net_device *out)
  13 {
  14         int protohdr, thoff = 0;
  15         unsigned short frag_off;
  16
  17         nft_set_pktinfo(pkt, ops, skb, in, out);
  18
  19         protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
  20         /* If malformed, drop it */
  21         if (protohdr < 0)
  22                 return -1;
  23
  24         pkt->tprot = protohdr;
  25         pkt->xt.thoff = thoff;
  26         pkt->xt.fragoff = frag_off;
  27
  28         return 0;
  29 }
  30
  31 extern struct nft_af_info nft_af_ipv6;
  32
  33 #endif