client/src/ipv6.h

   1 /*
   2  *  tunnel6
   3  *  Copyright (C) 2010  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #ifndef _IPV6_H
  21 #define _IPV6_H
  22
  23 #define IPV6_TYPE_ICMPv6                0x3a
  24
  25 /* IPv6 address */
  26 typedef unsigned short ipv6_addr_t[8];  /* used to store ipv6 address */
  27 typedef unsigned char ipv6_prefix_t[16];/* used to store the prefix address - last byte is length */
  28
  29 /* IPv6 header structure */
  30 struct proto_ipv6_t {
  31         unsigned char ver;              /* version */
  32         unsigned char tclass;           /* traffic class */
  33         unsigned short flabel;          /* flow label */
  34
  35         unsigned short pl_len;          /* payload length*/
  36
  37         unsigned char nhead;            /* next header */
  38
  39         unsigned char hop;              /* hop limit */
  40
  41         ipv6_addr_t src;                /* source ip address */
  42         ipv6_addr_t dest;               /* destination ip address */
  43 };
  44
  45 extern unsigned ipv6_cmp (ipv6_addr_t ip, ipv6_addr_t ip2);
  46 extern unsigned ipv6_cmp_prefix (ipv6_prefix_t pr, ipv6_prefix_t ip);
  47 extern char *ipv6_print (ipv6_addr_t ip);
  48 extern int ipv6_send (char *data, int len);
  49 extern int ipv6_init ();
  50
  51 #endif