kernel/include/net/net.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   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 _NET_H
  20 #define _NET_H
  21
  22 #include <net/eth.h>
  23
  24 typedef struct netaddr_t {
  25         unsigned char len;
  26         unsigned char type;
  27         unsigned char pad0;
  28         unsigned char pad1;
  29         unsigned char addr[12];
  30 } netaddr_t;
  31
  32 enum {
  33         SOCK_PROTO_NULL = 0,
  34         SOCK_PROTO_UDP,
  35         SOCK_PROTO_TCP
  36 };
  37
  38 enum {
  39         ADDR_TYPE_NULL = 0,
  40         ADDR_TYPE_ETHERNET,
  41         ADDR_TYPE_IP
  42 };
  43
  44 #define SOCK_FLAG_TIMEOUT 1
  45
  46
  47 enum {
  48         IP_PROT_ICMP = 1,
  49         IP_PROT_TCP = 6,
  50         IP_PROT_UDP = 17,
  51 };
  52
  53 typedef unsigned ipv4_addr_t;
  54 #define NETADDR_TO_IPV4(naddr) (*(ipv4_addr_t *)(&((&(naddr))->addr[0])))
  55 #define IPV4_DOTADDR_TO_ADDR(a, b, c, d) \
  56         (((ipv4_addr_t)(a) << 24) | (((ipv4_addr_t)(b) & 0xff) << 16) | (((ipv4_addr_t)(c) & 0xff) << 8) | ((ipv4_addr_t)(d) & 0xff))
  57
  58 typedef unsigned char mac_addr_t[6];
  59
  60 #define ntohs(n) \
  61         ((((unsigned short)(n) & 0xff) << 8) | ((unsigned short)(n) >> 8))
  62 #define htons(h) \
  63         ((((unsigned short)(h) & 0xff) << 8) | ((unsigned short)(h) >> 8))
  64
  65 #define ntohl(n) \
  66         (((unsigned)(n) << 24) | (((unsigned)(n) & 0xff00) << 8) |(((unsigned)(n) & 0x00ff0000) >> 8) | ((unsigned)(n) >> 24))
  67 #define htonl(h) \
  68         (((unsigned)(h) << 24) | (((unsigned)(h) & 0xff00) << 8) |(((unsigned)(h) & 0x00ff0000) >> 8) | ((unsigned)(h) >> 24))
  69
  70 #endif