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73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#pragma once
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/*
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* TUN interface functions.
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* Copyright (C) 2002, 2003 Mondru AB.
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* Copyright (C) 2017-2018 by Harald Welte <laforge@gnumonks.org>
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*
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* The contents of this file may be used under the terms of the GNU
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* General Public License Version 2, provided that the above copyright
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* notice and this permission notice is included in all copies or
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* substantial portions of the software.
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*
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*/
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#include <net/if.h>
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#include "../lib/in46_addr.h"
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#define TUN_NLBUFSIZE 1024
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#include "config.h"
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/* ipv6 ip type flags for tun_ipv6_local_get() */
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enum {
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IP_TYPE_IPv4 = 1,
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IP_TYPE_IPv6_LINK = 2,
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IP_TYPE_IPv6_NONLINK = 4,
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};
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#define IP_TYPE_IPv6 (IP_TYPE_IPv6_LINK | IP_TYPE_IPv6_NONLINK)
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#ifndef HAVE_IPHDR
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struct iphdr
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{
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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unsigned int ihl:4;
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unsigned int version:4;
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#elif __BYTE_ORDER == __BIG_ENDIAN
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unsigned int version:4;
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unsigned int ihl:4;
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#else
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# error "Please fix <bits/endian.h>"
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#endif
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u_int8_t tos;
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u_int16_t tot_len;
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u_int16_t id;
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u_int16_t frag_off;
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u_int8_t ttl;
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u_int8_t protocol;
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u_int16_t check;
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u_int32_t saddr;
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u_int32_t daddr;
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/*The options start here. */
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};
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#endif /* !HAVE_IPHDR */
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extern int netdev_setaddr4(const char *devname, struct in_addr *addr,
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struct in_addr *dstaddr, struct in_addr *netmask);
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extern int netdev_setaddr6(const char *devname, struct in6_addr *addr, struct in6_addr *dstaddr,
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size_t prefixlen);
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extern int netdev_addaddr4(const char *devname, struct in_addr *addr,
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struct in_addr *dstaddr, struct in_addr *netmask);
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extern int netdev_addaddr6(const char *devname, struct in6_addr *addr,
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struct in6_addr *dstaddr, int prefixlen);
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extern int netdev_addroute(struct in_addr *dst, struct in_addr *gateway, struct in_addr *mask);
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extern int netdev_delroute(struct in_addr *dst, struct in_addr *gateway, struct in_addr *mask);
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extern int netdev_ip_local_get(const char *devname, struct in46_prefix *prefix_list,
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size_t prefix_size, int flags);
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