2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
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29 * @(#)tftp.h 8.1 (Berkeley) 6/2/93
36 #include <sys/cdefs.h>
39 * Trivial File Transfer Protocol (IEN-133)
41 #define SEGSIZE 512 /* data segment size */
46 #define RRQ 01 /* read request */
47 #define WRQ 02 /* write request */
48 #define DATA 03 /* data packet */
49 #define ACK 04 /* acknowledgement */
50 #define ERROR 05 /* error code */
51 #define OACK 06 /* option acknowledgement */
54 unsigned short th_opcode
; /* packet type */
56 unsigned short tu_block
; /* block # */
57 unsigned short tu_code
; /* error code */
58 char tu_stuff
[1]; /* request packet stuff */
60 char th_data
[1]; /* data or error string */
63 #define th_block th_u.tu_block
64 #define th_code th_u.tu_code
65 #define th_stuff th_u.tu_stuff
66 #define th_msg th_data
71 #define EUNDEF 0 /* not defined */
72 #define ENOTFOUND 1 /* file not found */
73 #define EACCESS 2 /* access violation */
74 #define ENOSPACE 3 /* disk full or allocation exceeded */
75 #define EBADOP 4 /* illegal TFTP operation */
76 #define EBADID 5 /* unknown transfer ID */
77 #define EEXISTS 6 /* file already exists */
78 #define ENOUSER 7 /* no such user */
79 #define EOPTNEG 8 /* option negotiation failed */
81 #endif /* !_TFTP_H_ */