1/*
2 * Copyright (c) 1997 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34/* $Id$ */
35
36#ifndef __RX_H__
37#define __RX_H__
38
39/* header of a RPC packet */
40
41enum rx_header_type {
42     HT_DATA = 1,
43     HT_ACK = 2,
44     HT_BUSY = 3,
45     HT_ABORT = 4,
46     HT_ACKALL = 5,
47     HT_CHAL = 6,
48     HT_RESP = 7,
49     HT_DEBUG = 8
50};
51
52/* For flags in header */
53
54enum rx_header_flag {
55     HF_CLIENT_INITIATED = 1,
56     HF_REQ_ACK = 2,
57     HF_LAST = 4,
58     HF_MORE = 8
59};
60
61struct rx_header {
62     uint32_t epoch;
63     uint32_t connid;		/* And channel ID */
64     uint32_t callid;
65     uint32_t seqno;
66     uint32_t serialno;
67     u_char type;
68     u_char flags;
69     u_char status;
70     u_char secindex;
71     uint16_t reserved;	/* ??? verifier? */
72     uint16_t serviceid;
73/* This should be the other way around according to everything but */
74/* tcpdump */
75};
76
77#define RX_HEADER_SIZE 28
78
79#endif /* __RX_H__ */
80