mirror of
https://gitea.osmocom.org/cellular-infrastructure/osmo-ggsn.git
synced 2025-10-23 08:22:07 +00:00
454110a007
This allows dropping a lot of duplicated code. While at it, drop references to non-linux systems, which are not maintained anymore. Param "dstaddr" was not used anywhere in the old APIs, so it can also be dropped. Param "tun->routes" was also used in BSD code, so it can also be dropped. Change-Id: I1fccfd658542481cd61536fbd3c7a3a32a1c253b
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
#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);
|