rmp.h revision 1.5
1 /* $NetBSD: rmp.h,v 1.5 2003/08/07 11:25:41 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Center for Software Science of the University of Utah Computer 9 * Science Department. CSS requests users of this software to return 10 * to css-dist (at) cs.utah.edu any improvements that they make and grant 11 * CSS redistribution rights. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. 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 * from: @(#)rmp.h 8.1 (Berkeley) 6/4/93 38 * 39 * From: Utah Hdr: rmp.h 3.1 92/07/06 40 * Author: Jeff Forys, University of Utah CSS 41 */ 42 43 /* 44 * Copyright (c) 1988, 1992 The University of Utah and the Center 45 * for Software Science (CSS). 46 * 47 * This code is derived from software contributed to Berkeley by 48 * the Center for Software Science of the University of Utah Computer 49 * Science Department. CSS requests users of this software to return 50 * to css-dist (at) cs.utah.edu any improvements that they make and grant 51 * CSS redistribution rights. 52 * 53 * Redistribution and use in source and binary forms, with or without 54 * modification, are permitted provided that the following conditions 55 * are met: 56 * 1. Redistributions of source code must retain the above copyright 57 * notice, this list of conditions and the following disclaimer. 58 * 2. Redistributions in binary form must reproduce the above copyright 59 * notice, this list of conditions and the following disclaimer in the 60 * documentation and/or other materials provided with the distribution. 61 * 3. All advertising materials mentioning features or use of this software 62 * must display the following acknowledgement: 63 * This product includes software developed by the University of 64 * California, Berkeley and its contributors. 65 * 4. Neither the name of the University nor the names of its contributors 66 * may be used to endorse or promote products derived from this software 67 * without specific prior written permission. 68 * 69 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 70 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 71 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 72 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 73 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 74 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 75 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 76 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 77 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 78 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 79 * SUCH DAMAGE. 80 * 81 * from: @(#)rmp.h 8.1 (Berkeley) 6/4/93 82 * 83 * From: Utah Hdr: rmp.h 3.1 92/07/06 84 * Author: Jeff Forys, University of Utah CSS 85 */ 86 87 /* 88 * Define MIN/MAX sizes of RMP (ethernet) packet. 89 * For ease of computation, the 4 octet CRC field is not included. 90 * 91 * MCLBYTES is for bpfwrite(); it is adamant about using a cluster. 92 */ 93 94 #define RMP_MAX_PACKET MIN(1514,MCLBYTES) 95 #define RMP_MIN_PACKET 60 96 97 /* 98 * Define RMP/Ethernet Multicast address (9:0:9:0:0:4) and its length. 99 */ 100 #define RMP_ADDR { 0x9, 0x0, 0x9, 0x0, 0x0, 0x4 } 101 #define RMP_ADDRLEN 6 102 103 /* 104 * Define IEEE802.2 (Logical Link Control) information. 105 */ 106 #define IEEE_DSAP_HP 0xF8 /* Destination Service Access Point */ 107 #define IEEE_SSAP_HP 0xF8 /* Source Service Access Point */ 108 #define IEEE_CNTL_HP 0x0300 /* Type 1 / I format control information */ 109 110 #define HPEXT_DXSAP 0x608 /* HP Destination Service Access Point */ 111 #define HPEXT_SXSAP 0x609 /* HP Source Service Access Point */ 112 113 /* 114 * 802.3-style "Ethernet" header. 115 */ 116 117 struct hp_hdr { 118 u_int8_t daddr[RMP_ADDRLEN]; 119 u_int8_t saddr[RMP_ADDRLEN]; 120 u_int16_t len; 121 }; 122 123 /* 124 * HP uses 802.2 LLC with their own local extensions. This struct makes 125 * sense out of this data (encapsulated in the above 802.3 packet). 126 */ 127 128 struct hp_llc { 129 u_int8_t dsap; /* 802.2 DSAP */ 130 u_int8_t ssap; /* 802.2 SSAP */ 131 u_int16_t cntrl; /* 802.2 control field */ 132 u_int16_t filler; /* HP filler (must be zero) */ 133 u_int16_t dxsap; /* HP extended DSAP */ 134 u_int16_t sxsap; /* HP extended SSAP */ 135 }; 136
Indexes created Wed Sep 24 02:09:48 GMT 2025