williamr@2: /* TFTP.H
williamr@2:  * 
williamr@4:  * Portions Copyright (c) 1993-1999 Nokia Corporation and/or its subsidiary(-ies).
williamr@4:  * All rights reserved.
williamr@2:  */
williamr@2: 
williamr@2: /** @file
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: 
williamr@2: /*
williamr@2:  * Copyright (c) 1983, 1993
williamr@2:  *	The Regents of the University of California.  All rights reserved.
williamr@2:  *
williamr@2:  * Redistribution and use in source and binary forms, with or without
williamr@2:  * modification, are permitted provided that the following conditions
williamr@2:  * are met:
williamr@2:  * 1. Redistributions of source code must retain the above copyright
williamr@2:  *    notice, this list of conditions and the following disclaimer.
williamr@2:  * 2. Redistributions in binary form must reproduce the above copyright
williamr@2:  *    notice, this list of conditions and the following disclaimer in the
williamr@2:  *    documentation and/or other materials provided with the distribution.
williamr@2:  * 3. All advertising materials mentioning features or use of this software
williamr@2:  *    must display the following acknowledgement:
williamr@2:  *	This product includes software developed by the University of
williamr@2:  *	California, Berkeley and its contributors.
williamr@2:  * 4. Neither the name of the University nor the names of its contributors
williamr@2:  *    may be used to endorse or promote products derived from this software
williamr@2:  *    without specific prior written permission.
williamr@2:  *
williamr@2:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
williamr@2:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
williamr@2:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
williamr@2:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
williamr@2:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
williamr@2:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
williamr@2:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
williamr@2:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
williamr@2:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
williamr@2:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
williamr@2:  * SUCH DAMAGE.
williamr@2:  *
williamr@2:  *	@(#)tftp.h	8.1 (Berkeley) 6/2/93
williamr@2:  */
williamr@2: 
williamr@2: #ifndef _ARPA_TFTP_H_
williamr@2: #define	_ARPA_TFTP_H_
williamr@2: 
williamr@2: #ifdef __cplusplus
williamr@2: extern "C" {
williamr@2: #endif
williamr@2: 
williamr@2: /**
williamr@2: Trivial File Transfer Protocol (IEN-133)
williamr@2: */
williamr@2: #define	SEGSIZE		512		/* data segment size */
williamr@2: 
williamr@2: /**
williamr@2: Packet types.
williamr@2: */
williamr@2: #define	RRQ	01			/* read request */
williamr@2: #define	WRQ	02			/* write request */
williamr@2: #define	DATA	03			/* data packet */
williamr@2: #define	ACK	04			/* acknowledgement */
williamr@2: #define	ERROR	05			/* error code */
williamr@2: 
williamr@2: struct	tftphdr {
williamr@2: 	short	th_opcode;		/* packet type */
williamr@2: 	union {
williamr@2: 		short	tu_block;	/* block # */
williamr@2: 		short	tu_code;	/* error code */
williamr@2: 		char	tu_stuff[1];	/* request packet stuff */
williamr@2: 	} th_u;
williamr@2: 	char	th_data[1];		/* data or error string */
williamr@2: };
williamr@2: 
williamr@2: #define	th_block	th_u.tu_block
williamr@2: #define	th_code		th_u.tu_code
williamr@2: #define	th_stuff	th_u.tu_stuff
williamr@2: #define	th_msg		th_data
williamr@2: 
williamr@2: /**
williamr@2: Error codes.
williamr@2: */
williamr@2: #define	EUNDEF		0		/* not defined */
williamr@2: #define	ENOTFOUND	1		/* file not found */
williamr@2: #define	EACCESS		2		/* access violation */
williamr@2: #define	ENOSPACE	3		/* disk full or allocation exceeded */
williamr@2: #define	EBADOP		4		/* illegal TFTP operation */
williamr@2: #define	EBADID		5		/* unknown transfer ID */
williamr@2: #define	EEXISTS		6		/* file already exists */
williamr@2: #define	ENOUSER		7		/* no such user */
williamr@2: 
williamr@2: #ifdef __cplusplus
williamr@2: }
williamr@2: #endif
williamr@2: #endif /* !_TFTP_H_ */