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