kernel/include/net/netfilter/nf_tables_ipv4.h

   1 #ifndef _NF_TABLES_IPV4_H_
   2 #define _NF_TABLES_IPV4_H_
   3
   4 #include <net/netfilter/nf_tables.h>
   5 #include <net/ip.h>
   6
   7 static inline void
   8 nft_set_pktinfo_ipv4(struct nft_pktinfo *pkt,
   9                      const struct nf_hook_ops *ops,
  10                      struct sk_buff *skb,
  11                      const struct nf_hook_state *state)
  12 {
  13         struct iphdr *ip;
  14
  15         nft_set_pktinfo(pkt, ops, skb, state);
  16
  17         ip = ip_hdr(pkt->skb);
  18         pkt->tprot = ip->protocol;
  19         pkt->xt.thoff = ip_hdrlen(pkt->skb);
  20         pkt->xt.fragoff = ntohs(ip->frag_off) & IP_OFFSET;
  21 }
  22
  23 extern struct nft_af_info nft_af_ipv4;
  24
  25 #endif