dist/ipf/iplang/iplang.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 1997-1998 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  */
   8 typedef struct iface {
   9         int     if_MTU;
  10         char    *if_name;
  11         struct  in_addr if_addr;
  12         struct  ether_addr      if_eaddr;
  13         struct  iface *if_next;
  14         int     if_fd;
  15 } iface_t;
  16
  17
  18 typedef struct  send    {
  19         struct  iface   *snd_if;
  20         struct  in_addr snd_gw;
  21 } send_t;
  22
  23
  24 typedef struct  arp     {
  25         struct  in_addr arp_addr;
  26         struct  ether_addr      arp_eaddr;
  27         struct  arp *arp_next;
  28 } arp_t;
  29
  30
  31 typedef struct  aniphdr {
  32         union   {
  33                 ip_t            *ahu_ip;
  34                 char            *ahu_data;
  35                 tcphdr_t        *ahu_tcp;
  36                 udphdr_t        *ahu_udp;
  37                 icmphdr_t       *ahu_icmp;
  38         } ah_un;
  39         int     ah_optlen;
  40         int     ah_lastopt;
  41         int     ah_p;
  42         size_t  ah_len;
  43         struct  aniphdr *ah_next;
  44         struct  aniphdr *ah_prev;
  45 } aniphdr_t;
  46
  47 #define ah_ip   ah_un.ahu_ip
  48 #define ah_data ah_un.ahu_data
  49 #define ah_tcp  ah_un.ahu_tcp
  50 #define ah_udp  ah_un.ahu_udp
  51 #define ah_icmp ah_un.ahu_icmp
  52
  53 extern  int     get_arpipv4 __P((char *, char *));
  54