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#pragma once
/*
* TUN interface functions.
* Copyright (C) 2002, 2003 Mondru AB.
* Copyright (C) 2017-2018 by Harald Welte <laforge@gnumonks.org>
*
* The contents of this file may be used under the terms of the GNU
* General Public License Version 2, provided that the above copyright
* notice and this permission notice is included in all copies or
* substantial portions of the software.
*
*/
#include <net/if.h>
#include "../lib/in46_addr.h"
#define TUN_NLBUFSIZE 1024
#include "config.h"
/* ipv6 ip type flags for tun_ipv6_local_get() */
enum {
IP_TYPE_IPv4 = 1,
IP_TYPE_IPv6_LINK = 2,
IP_TYPE_IPv6_NONLINK = 4,
};
#define IP_TYPE_IPv6 (IP_TYPE_IPv6_LINK | IP_TYPE_IPv6_NONLINK)
#ifndef HAVE_IPHDR
struct iphdr
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned int ihl:4;
unsigned int version:4;
#elif __BYTE_ORDER == __BIG_ENDIAN
unsigned int version:4;
unsigned int ihl:4;
#else
# error "Please fix <bits/endian.h>"
#endif
u_int8_t tos;
u_int16_t tot_len;
u_int16_t id;
u_int16_t frag_off;
u_int8_t ttl;
u_int8_t protocol;
u_int16_t check;
u_int32_t saddr;
u_int32_t daddr;
/*The options start here. */
};
#endif /* !HAVE_IPHDR */
extern int netdev_addroute4(struct in_addr *dst, struct in_addr *gateway, struct in_addr *mask);
extern int netdev_delroute4(struct in_addr *dst, struct in_addr *gateway, struct in_addr *mask);
extern int netdev_addroute6(struct in6_addr *dst, struct in6_addr *gateway, int prefixlen, const char *gw_iface);
extern int netdev_delroute6(struct in6_addr *dst, struct in6_addr *gateway, int prefixlen, const char *gw_iface);
extern int netdev_ip_local_get(const char *devname, struct in46_prefix *prefix_list,
size_t prefix_size, int flags);
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