1 /* $OpenBSD: rmp.h,v 1.4 2013/03/20 15:02:39 deraadt Exp $ */ 2 /* $NetBSD: rmp.h,v 1.4 1995/10/06 05:12:18 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1988, 1992 The University of Utah and the Center 6 * for Software Science (CSS). 7 * Copyright (c) 1992, 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * the Center for Software Science of the University of Utah Computer 12 * Science Department. CSS requests users of this software to return 13 * to css-dist@cs.utah.edu any improvements that they make and grant 14 * CSS redistribution rights. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: @(#)rmp.h 8.1 (Berkeley) 6/4/93 41 * 42 * From: Utah Hdr: rmp.h 3.1 92/07/06 43 * Author: Jeff Forys, University of Utah CSS 44 */ 45 46 /* 47 * Define MIN/MAX sizes of RMP (ethernet) packet. 48 * For ease of computation, the 4 octet CRC field is not included. 49 * 50 * MCLBYTES is for bpfwrite(); it is adamant about using a cluster. 51 */ 52 53 #define RMP_MAX_PACKET 1514 54 #define RMP_MIN_PACKET 60 55 56 /* 57 * Define RMP/Ethernet Multicast address (9:0:9:0:0:4) and its length. 58 */ 59 #define RMP_ADDR { 0x9, 0x0, 0x9, 0x0, 0x0, 0x4 } 60 #define RMP_ADDRLEN 6 61 62 /* 63 * Define IEEE802.2 (Logical Link Control) information. 64 */ 65 #define IEEE_DSAP_HP 0xF8 /* Destination Service Access Point */ 66 #define IEEE_SSAP_HP 0xF8 /* Source Service Access Point */ 67 #define IEEE_CNTL_HP 0x0300 /* Type 1 / I format control information */ 68 69 #define HPEXT_DXSAP 0x608 /* HP Destination Service Access Point */ 70 #define HPEXT_SXSAP 0x609 /* HP Source Service Access Point */ 71 72 /* 73 * 802.3-style "Ethernet" header. 74 */ 75 76 struct hp_hdr { 77 u_int8_t daddr[RMP_ADDRLEN]; 78 u_int8_t saddr[RMP_ADDRLEN]; 79 u_int16_t len; 80 }; 81 82 /* 83 * HP uses 802.2 LLC with their own local extensions. This struct makes 84 * sense out of this data (encapsulated in the above 802.3 packet). 85 */ 86 87 struct hp_llc { 88 u_int8_t dsap; /* 802.2 DSAP */ 89 u_int8_t ssap; /* 802.2 SSAP */ 90 u_int16_t cntrl; /* 802.2 control field */ 91 u_int16_t filler; /* HP filler (must be zero) */ 92 u_int16_t dxsap; /* HP extended DSAP */ 93 u_int16_t sxsap; /* HP extended SSAP */ 94 }; 95