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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [redboot/] [v2_0/] [include/] [net/] [tftp.h] - Blame information for rev 631

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1 27 unneback
//==========================================================================
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//
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//      net/tftp.h
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//
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//      Stand-alone TFTP support for RedBoot
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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// Copyright (C) 2002 Gary Thomas
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//####BSDCOPYRIGHTBEGIN####
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//
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// -------------------------------------------
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//
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// Portions of this software may have been derived from OpenBSD or other sources,
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// and are covered by the appropriate copyright disclaimers included herein.
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//
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// -------------------------------------------
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//
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//####BSDCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):    gthomas
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// Contributors: gthomas
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// Date:         2000-07-14
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// Purpose:      
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// Description:  
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//              
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// This code is part of RedBoot (tm).
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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/*
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 * Copyright (c) 1983 Regents of the University of California.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *      This product includes software developed by the University of
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 *      California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *      @(#)tftp.h      5.4 (Berkeley) 4/3/91
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 */
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#ifndef _ARPA_TFTP_H_
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#define _ARPA_TFTP_H_
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/*
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 * Trivial File Transfer Protocol (IEN-133)
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 * Now, rev 2 - RFC 1350
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 */
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#define SEGSIZE         512             /* data segment size */
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/*
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 * Packet types.
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 */
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#define RRQ     01                      /* read request */
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#define WRQ     02                      /* write request */
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#define DATA    03                      /* data packet */
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#define ACK     04                      /* acknowledgement */
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#define ERROR   05                      /* error code */
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struct  tftphdr {
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        short   th_opcode;              /* packet type */
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        union {
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                unsigned short  tu_block;       /* block # */
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                short   tu_code;        /* error code */
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                char    tu_stuff[1];    /* request packet stuff */
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        } __attribute__ ((packed)) th_u;
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        char    th_data[0];              /* data or error string */
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} __attribute__ ((packed));
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#define th_block        th_u.tu_block
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#define th_code         th_u.tu_code
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#define th_stuff        th_u.tu_stuff
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#define th_msg          th_data
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/*
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 * Error codes.
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 */
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#define EUNDEF          0                /* not defined */
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#define ENOTFOUND       1               /* file not found */
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#define EACCESS         2               /* access violation */
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#define ENOSPACE        3               /* disk full or allocation exceeded */
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#define EBADOP          4               /* illegal TFTP operation */
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#define EBADID          5               /* unknown transfer ID */
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#define EEXISTS         6               /* file already exists */
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#define ENOUSER         7               /* no such user */
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#endif /* !_ARPA_TFTP_H_ */

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