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sock_var.h

Go to the documentation of this file.

#ifndef _SYS_SOCK_VAR_H_
#define _SYS_SOCK_VAR_H_

/*
 * Copyright (C) 2001-2002 by egnite Software GmbH. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgement:
 *
 *    This product includes software developed by egnite Software GmbH
 *    and its contributors.
 *
 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * For additional information see http://www.ethernut.de/
 *
 * -
 * Portions Copyright (C) 2000 David J. Hudson <dave@humbug.demon.co.uk>
 *
 * This file is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You can redistribute this file and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software Foundation;
 * either version 2 of the License, or (at your discretion) any later version.
 * See the accompanying file "copying-gpl.txt" for more details.
 *
 * As a special exception to the GPL, permission is granted for additional
 * uses of the text contained in this file.  See the accompanying file
 * "copying-liquorice.txt" for details.
 * -
 * Portions Copyright (c) 1983, 1993 by
 *  The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *  This product includes software developed by the University of
 *  California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * $Log: sock_var.h,v $
 * Revision 1.2  2003/01/24 12:01:12  przemko
 * Obciecie dosowych znakow konca lini
 *
 * Revision 1.1.1.1  2002/12/07 07:16:52  marwi
 *
 *
 * Revision 1.9  2002/09/03 17:50:18  harald
 * Configurable receive buffer size
 *
 * Revision 1.8  2002/08/16 17:54:19  harald
 * Count out of sequence drops
 *
 * Revision 1.7  2002/06/26 17:29:29  harald
 * First pre-release with 2.4 stack
 *
 */

#include <sys/types.h>
#include <dev/netbuf.h>
#include <sys/device.h>

/*********************************************************************\
 * UDP
\*********************************************************************/


typedef struct udp_socket UDPSOCKET;

struct udp_socket {
    UDPSOCKET *so_next;     
    u_short so_local_port;  
    NETBUF  *so_rx_nb;      
    HANDLE  so_rx_rdy;      
};

extern void NutUdpInput(NETBUF *nb);
extern int NutUdpOutput(UDPSOCKET *sock, u_long dest, u_short port, NETBUF *nb);


/*********************************************************************\
 * TCP
\*********************************************************************/


typedef struct tcp_socket TCPSOCKET;

struct tcp_socket {
    TCPSOCKET *so_next;     
    volatile u_char  so_state;       
    u_long  so_local_addr;  
    u_short so_local_port;  
    u_long  so_remote_addr; 
    u_short so_remote_port; 

    u_char  so_tx_flags;    
    u_long  so_tx_isn;      
    u_long  so_tx_una;      
    u_long  so_tx_nxt;      
    u_long  so_tx_wl1;      
    u_long  so_tx_wl2;      
    u_short so_tx_win;      
    u_char  so_tx_dup;      
    NETBUF  *so_tx_nbq;     
    HANDLE  so_tx_tq;       

    u_long  so_rx_isn;      
    u_long  so_rx_nxt;      
    u_short so_rx_win;      
    u_short so_rx_cnt;      
    u_short so_rx_bsz;      
    u_char  *so_rx_buf;     
    HANDLE  so_rx_tq;       
    NETBUF  *so_rx_nbq;     

    u_short so_mss;         

    u_long  so_rto_next;    
    u_long  so_srtt_avg;    
    u_long  so_srtt_var;    
    u_short so_retransmits; 
    u_short so_time_wait;   
    u_short so_retran_time; 
    u_short so_last_error;  
    HANDLE  so_pc_tq;       
    HANDLE  so_ac_tq;       

    u_long  so_read_to;     
    u_long  so_write_to;    
    u_long  so_oos_drop;    
};

/*
 * TCP send flags.
 */
#define SO_FIN      0x01    
#define SO_SYN      0x02    
#define SO_FORCE    0x08    
#define SO_ACK      0x10    


#include <netinet/tcp_fsm.h>

extern int NutTcpOutput(TCPSOCKET *sock, u_char *data, u_short size);
extern int NutTcpReject(NETBUF *nb);

#endif

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