NetBSD/dist/ipf/iplang/iplang.h

55 lines
989 B
C

/* $NetBSD: iplang.h,v 1.2 2002/01/24 08:21:37 martti Exp $ */
/*
* Copyright (C) 1997-1998 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*/
typedef struct iface {
int if_MTU;
char *if_name;
struct in_addr if_addr;
struct ether_addr if_eaddr;
struct iface *if_next;
int if_fd;
} iface_t;
typedef struct send {
struct iface *snd_if;
struct in_addr snd_gw;
} send_t;
typedef struct arp {
struct in_addr arp_addr;
struct ether_addr arp_eaddr;
struct arp *arp_next;
} arp_t;
typedef struct aniphdr {
union {
ip_t *ahu_ip;
char *ahu_data;
tcphdr_t *ahu_tcp;
udphdr_t *ahu_udp;
icmphdr_t *ahu_icmp;
} ah_un;
int ah_optlen;
int ah_lastopt;
int ah_p;
size_t ah_len;
struct aniphdr *ah_next;
struct aniphdr *ah_prev;
} aniphdr_t;
#define ah_ip ah_un.ahu_ip
#define ah_data ah_un.ahu_data
#define ah_tcp ah_un.ahu_tcp
#define ah_udp ah_un.ahu_udp
#define ah_icmp ah_un.ahu_icmp
extern int get_arpipv4 __P((char *, char *));