kernel/include/net/udp.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   4  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   5  *
   6  *  This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _UDP_H
  21 #define _UDP_H
  22
  23 #include <net/ip.h>
  24
  25 /* UDP connection structure */
  26 typedef struct proto_udp_conn_context {
  27         struct proto_udp_conn_context *next, *prev;
  28
  29         net_ipv4 ip_source;
  30         net_ipv4 ip_dest;
  31
  32         net_port port_source;
  33         net_port port_dest;
  34
  35         unsigned short flags;
  36
  37         unsigned char bind;
  38
  39         unsigned short fd;
  40
  41         netif_t *netif;
  42
  43         unsigned len;
  44         char *data;
  45 } proto_udp_conn_t;
  46
  47 /* UDP connection structure */
  48 typedef struct proto_udp6_conn_context {
  49         struct proto_udp6_conn_context *next, *prev;
  50
  51         net_ipv6 ip_source;
  52         net_ipv6 ip_dest;
  53
  54         net_port port_source;
  55         net_port port_dest;
  56
  57         unsigned short flags;
  58
  59         unsigned char bind;
  60
  61         unsigned short fd;
  62
  63         netif_t *netif;
  64
  65         unsigned len;
  66         char *data;
  67 } proto_udp6_conn_t;
  68
  69 /* UDP layer structure */
  70 typedef struct proto_udp_t {
  71         net_port port_source;           // 2
  72         net_port port_dest;             // 4
  73
  74         unsigned short len;             // 6
  75
  76         unsigned short checksum;        // 8
  77 } proto_udp_t;
  78
  79
  80 /* externs */
  81 extern int net_proto_udp_anycast (int fd);
  82 extern int net_proto_udp_port (int fd, net_port port);
  83 extern unsigned init_net_proto_udp ();
  84 extern unsigned init_net_proto_udp6 ();
  85
  86 #endif