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 41 enum 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 54 enum rx_header_flag { 55 HF_CLIENT_INITIATED = 1, 56 HF_REQ_ACK = 2, 57 HF_LAST = 4, 58 HF_MORE = 8 59 }; 60 61 struct 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