Watt-32 tcp/ip  2.2 dev-rel.10
tftp.h
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1 
5 /*
6  * Copyright (c) 1983, 1993
7  * The Regents of the University of California. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in the
16  * documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  * must display the following acknowledgement:
19  * This product includes software developed by the University of
20  * California, Berkeley and its contributors.
21  * 4. Neither the name of the University nor the names of its contributors
22  * may be used to endorse or promote products derived from this software
23  * without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * @(#)tftp.h 8.1 (Berkeley) 6/2/93
38  * $FreeBSD: /repoman/r/ncvs/src/include/arpa/tftp.h,v 1.3.6.1 2002/08/14 21:59:26 peter Exp $
39  */
40 
41 #ifndef __ARPA_TFTP_H
42 #define __ARPA_TFTP_H
43 
44 /*
45  * Trivial File Transfer Protocol (IEN-133)
46  */
47 #define SEGSIZE 512 /* data segment size */
48 
49 /*
50  * Packet types.
51  */
52 #define RRQ 01 /* read request */
53 #define WRQ 02 /* write request */
54 #define DATA 03 /* data packet */
55 #define ACK 04 /* acknowledgement */
56 #undef ERROR /* In <wingdi.h> */
57 #define ERROR 05 /* error code */
58 #define OACK 06 /* option acknowledgement */
59 
60 #include <sys/pack_on.h>
61 
62 struct tftphdr {
63  unsigned short th_opcode; /* packet type */
64  union {
65  unsigned short tu_block; /* block # */
66  unsigned short tu_code; /* error code */
67  char tu_stuff[1]; /* request packet stuff */
68  } th_u;
69  char th_data[1]; /* data or error string */
70  };
71 
72 #include <sys/pack_off.h>
73 
74 #define th_block th_u.tu_block
75 #define th_code th_u.tu_code
76 #define th_stuff th_u.tu_stuff
77 #define th_msg th_data
78 
79 /*
80  * Error codes.
81  */
82 #define EUNDEF 0 /* not defined */
83 #define ENOTFOUND 1 /* file not found */
84 #define EACCESS 2 /* access violation */
85 #define ENOSPACE 3 /* disk full or allocation exceeded */
86 #define EBADOP 4 /* illegal TFTP operation */
87 #define EBADID 5 /* unknown transfer ID */
88 #define EEXISTS 6 /* file already exists */
89 #define ENOUSER 7 /* no such user */
90 #define EOPTNEG 8 /* option negotiation failed */
91 
92 #endif
Definition: tftp.h:62