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- /*
- * $Header: /ax/networking:include/arpa/tftp.h:networking 1.1 $
- * $Source: /ax/networking:include/arpa/tftp.h: $
- *
- * Copyright (c) 1988 Acorn Computers Ltd., Cambridge, England
- *
- * $Log: tftp.h,v $
- * Revision 1.1 95/01/11 10:14:21 kwelton
- * Initial revision
- *
- * Revision 1.3 88/06/19 15:20:22 beta
- * Acorn Unix initial beta version
- *
- */
- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- *
- * @(#)tftp.h 5.1 (Berkeley) 5/30/85
- */
-
- /*
- * Trivial File Transfer Protocol (IEN-133)
- */
- #define SEGSIZE 512 /* data segment size */
-
- /*
- * Packet types.
- */
- #define RRQ 01 /* read request */
- #define WRQ 02 /* write request */
- #define DATA 03 /* data packet */
- #define ACK 04 /* acknowledgement */
- #define ERROR 05 /* error code */
-
- struct tftphdr {
- union {
- struct { u_short opcode; char stuff[514]; } _rrq;
- struct { u_short opcode, block; char data[512]; } _data;
- struct { u_short opcode, block; } _ack;
- struct { u_short opcode, code; char msg[512]; } _err;
- } th_u;
- };
- #define th_opcode th_u._rrq.opcode
- #define th_block th_u._data.block
- #define th_code th_u._err.code
- #define th_stuff th_u._rrq.stuff
- #define th_data th_u._data.data
- #define th_msg th_u._err.msg
-
- /*
- * Error codes.
- */
- #define EUNDEF 0 /* not defined */
- #define ENOTFOUND 1 /* file not found */
- #define EACCESS 2 /* access violation */
- #define ENOSPACE 3 /* disk full or allocation exceeded */
- #define EBADOP 4 /* illegal TFTP operation */
- #define EBADID 5 /* unknown transfer ID */
- #define EEXISTS 6 /* file already exists */
- #define ENOUSER 7 /* no such user */
-
- /* EOF tftp.h */
-