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/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/**
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 ------------
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 CVS :        $Id: udpip.h,v 1.1.1.1 2002-03-29 14:12:51 pj Exp $
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 File:        $File$
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 Revision:    $Revision: 1.1.1.1 $
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 Last update: $Date: 2002-03-29 14:12:51 $
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 ------------
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**/
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/*
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 * Copyright (C) 2000 Luca Abeni
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/* Project:     HARTIK 3.0                                      */
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/* Description: Hard Real TIme Kernel for 8086 compatible       */
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/* Author:      Luca Abeni                                      */
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/* Date:        25/9/96                                         */
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/* File:        UDPIP.h                                         */
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/* Revision:    4.0                                             */
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/* First, include the net general definitions */
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#include <modules/hartport.h>
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#include <drivers/net.h>
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#ifndef __UDPIP_H__
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#define __UDPIP_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define net_setudpip(m,localaddr) {net_setprotocol(&m, ip_init, localaddr); net_setprotocol(&m, udp_init, NULL);}
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typedef struct ip_addr{
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    BYTE ad[4];
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} IP_ADDR;
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#define IP_ERROR_BASE   (ETH_ERROR_BASE + 20)
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#define IP_INIT_ERROR   (0 + IP_ERROR_BASE)
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#define IP_UDP_TYPE     17
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#define IP_TCP_TYPE     6
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#define setIpAddr(q,w) memcpy(q.ad,w.ad,sizeof(IP_ADDR))
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#define getVers(b)      ((b) >> 4)
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#define getHlen(b)      (b & 0x0f)
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#define getFlags(w)     ((w) >> 13)
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#define getFrOffset(w)  (w & 0x1fff)
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typedef struct ip_header {
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    BYTE vers_hlen;
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    BYTE servType;
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    WORD lenght;
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    WORD ident;
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    WORD flags_frOffset;
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    BYTE ttl;
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    BYTE protocol;
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    WORD headChecksum;
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    IP_ADDR source;
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    IP_ADDR dest;
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} IP_HEADER;
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#define IP_MAX_ENTRIES 2
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typedef struct ip_table{
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    BYTE protocol;
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    void (*rfun)(void *m);
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} IP_TABLE;
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void ip_print_header(IP_HEADER *p);
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int ip_compAddr(IP_ADDR ip1, IP_ADDR ip2);
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int ip_str2addr(char *a, IP_ADDR *ip);
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void *ip_getFDB(void *pkt);
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int ip_setProtocol(BYTE p, void (*recv)(void *m));
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void ip_send(IP_ADDR dest, void *pkt, WORD len);
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void ip_init(void *la);
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IP_ADDR *ip_getAddr();
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/***************************************************************************/
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/*                                                                         */
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/*                              UDP                                        */
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/*                                                                         */
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/***************************************************************************/
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typedef struct udp_addr{
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    IP_ADDR s_addr;
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    WORD s_port;
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} UDP_ADDR;
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typedef struct udp_header{
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    WORD s_port;
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    WORD d_port;
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    WORD mlen;
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    WORD checksum;
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} UDP_HEADER;
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typedef struct pseudo_hd {
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    IP_ADDR source;
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    IP_ADDR dest;
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    BYTE zero;
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    BYTE protocoll;
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    WORD len;
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} PSEUDO_HD;
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typedef struct udp_msg{
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    WORD mlen;
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    UDP_ADDR addr;
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    void *buff;
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} UDP_MSG;
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typedef struct udp_table{
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    WORD port;
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    BYTE valid;
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    PORT hport;
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    PORT pport;
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    BYTE notify;
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    int (*notify_fun)(int l, BYTE *buff, void *p);
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    void *notify_par;
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} UDP_TABLE;
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void udp_init(void *dummy);
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int udp_recvfrom(int s, char *buff, UDP_ADDR *from);
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int udp_sendto(int s, char *buff, int nbytes, UDP_ADDR *to);
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int udp_bind(UDP_ADDR *a, IP_ADDR *bindlist);
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int udp_notify(int s, int (*f)(int len, BYTE *buff, void *p), void *p);
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#ifdef __cplusplus
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};
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#endif
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#endif
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