kernel/include/net/ip.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  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 #ifndef _IP_H
  20 #define _IP_H
  21
  22 #include <net/if.h>
  23
  24 typedef unsigned net_ipv4;
  25 typedef unsigned short net_ipv6[8];
  26
  27 #define NET_IPV4_TO_ADDR(a, b, c, d) \
  28         (((net_ipv4)(d) << 24) | (((net_ipv4)(c) & 0xff) << 16) | (((net_ipv4)(b) & 0xff) << 8) | ((net_ipv4)(a) & 0xff))
  29
  30
  31 #define NET_PROTO_IP_TYPE_ICMP  0x1
  32 #define NET_PROTO_IP_TYPE_ICMP6 0x3a
  33 #define NET_PROTO_IP_TYPE_TCP   0x6
  34 #define NET_PROTO_IP_TYPE_TCP6  0x6
  35 #define NET_PROTO_IP_TYPE_UDP   0x11
  36 #define NET_PROTO_IP_TYPE_UDP6  0x11
  37 #define NET_PROTO_IP_TYPE_TUN6  0x29
  38
  39 #define NET_PROTO_IP_FLAG_TUNNEL 0x80
  40
  41
  42 typedef struct proto_ip_t {
  43         unsigned char head_len:4;
  44         unsigned char ver:4;
  45
  46         unsigned char res0;
  47
  48         unsigned short total_len;
  49
  50         unsigned short ident;
  51
  52         unsigned char flags;
  53
  54         unsigned char frag;
  55
  56         unsigned char ttl;
  57
  58         unsigned char proto;
  59
  60         unsigned short checksum;
  61
  62         net_ipv4 ip_source;
  63         net_ipv4 ip_dest;
  64 } proto_ip_t;
  65
  66 typedef struct proto_ipv6_t {
  67         unsigned char ver;
  68         unsigned char tclass;
  69         unsigned short flabel;
  70
  71         unsigned short pl_len;
  72
  73         unsigned char nhead;
  74
  75         unsigned char hop;
  76
  77         net_ipv6 ip_source;
  78         net_ipv6 ip_dest;
  79 } proto_ipv6_t;
  80
  81 extern void NET_IPV6_TO_ADDR (net_ipv6 ip, unsigned short a, unsigned short b, unsigned short c, unsigned short d,
  82                           unsigned short e, unsigned short f, unsigned short g, unsigned short h);
  83 extern unsigned net_proto_ipv6_cmp (net_ipv6 ip, net_ipv6 ip2);
  84 extern void net_proto_ip_print (net_ipv4 ip);
  85 extern net_ipv4 net_proto_ip_convert (char *ip);
  86 extern unsigned net_proto_ip_network (net_ipv4 ip);
  87 extern unsigned net_proto_ip_convert2 (net_ipv4 ip, char *ip_addr);
  88 //extern unsigned net_proto_ip_esend (netif_t *netif, packet_t *packet, proto_ip_t *ip, char *buf, unsigned len);
  89 //extern unsigned net_proto_ip_send (netif_t *netif, net_ipv4 ip_addr, char *buf, unsigned len);
  90 extern unsigned init_net_packet ();
  91
  92 #endif