if_llc.h revision 1.1.1.2
1 1.1 cgd /* 2 1.1.1.2 fvdl * Copyright (c) 1988, 1993 3 1.1.1.2 fvdl * The Regents of the University of California. All rights reserved. 4 1.1 cgd * 5 1.1 cgd * Redistribution and use in source and binary forms, with or without 6 1.1 cgd * modification, are permitted provided that the following conditions 7 1.1 cgd * are met: 8 1.1 cgd * 1. Redistributions of source code must retain the above copyright 9 1.1 cgd * notice, this list of conditions and the following disclaimer. 10 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 11 1.1 cgd * notice, this list of conditions and the following disclaimer in the 12 1.1 cgd * documentation and/or other materials provided with the distribution. 13 1.1 cgd * 3. All advertising materials mentioning features or use of this software 14 1.1 cgd * must display the following acknowledgement: 15 1.1 cgd * This product includes software developed by the University of 16 1.1 cgd * California, Berkeley and its contributors. 17 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 18 1.1 cgd * may be used to endorse or promote products derived from this software 19 1.1 cgd * without specific prior written permission. 20 1.1 cgd * 21 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 1.1 cgd * SUCH DAMAGE. 32 1.1 cgd * 33 1.1.1.2 fvdl * @(#)if_llc.h 8.1 (Berkeley) 6/10/93 34 1.1 cgd */ 35 1.1 cgd 36 1.1 cgd /* 37 1.1 cgd * IEEE 802.2 Link Level Control headers, for use in conjunction with 38 1.1 cgd * 802.{3,4,5} media access control methods. 39 1.1 cgd * 40 1.1 cgd * Headers here do not use bit fields due to shortcommings in many 41 1.1 cgd * compilers. 42 1.1 cgd */ 43 1.1 cgd 44 1.1 cgd struct llc { 45 1.1 cgd u_char llc_dsap; 46 1.1 cgd u_char llc_ssap; 47 1.1 cgd union { 48 1.1 cgd struct { 49 1.1 cgd u_char control; 50 1.1 cgd u_char format_id; 51 1.1 cgd u_char class; 52 1.1 cgd u_char window_x2; 53 1.1 cgd } type_u; 54 1.1 cgd struct { 55 1.1 cgd u_char num_snd_x2; 56 1.1 cgd u_char num_rcv_x2; 57 1.1 cgd } type_i; 58 1.1 cgd struct { 59 1.1 cgd u_char control; 60 1.1 cgd u_char num_rcv_x2; 61 1.1 cgd } type_s; 62 1.1 cgd struct { 63 1.1.1.2 fvdl u_char control; 64 1.1.1.2 fvdl struct frmrinfo { 65 1.1.1.2 fvdl u_char rej_pdu_0; 66 1.1.1.2 fvdl u_char rej_pdu_1; 67 1.1.1.2 fvdl u_char frmr_control; 68 1.1.1.2 fvdl u_char frmr_control_ext; 69 1.1.1.2 fvdl u_char frmr_cause; 70 1.1.1.2 fvdl } frmrinfo; 71 1.1.1.2 fvdl } type_frmr; 72 1.1.1.2 fvdl struct { 73 1.1 cgd u_char control; 74 1.1 cgd u_char org_code[3]; 75 1.1 cgd u_short ether_type; 76 1.1 cgd } type_snap; 77 1.1.1.2 fvdl struct { 78 1.1.1.2 fvdl u_char control; 79 1.1.1.2 fvdl u_char control_ext; 80 1.1.1.2 fvdl } type_raw; 81 1.1 cgd } llc_un; 82 1.1 cgd }; 83 1.1.1.2 fvdl #define llc_control llc_un.type_u.control 84 1.1.1.2 fvdl #define llc_control_ext llc_un.type_raw.control_ext 85 1.1.1.2 fvdl #define llc_fid llc_un.type_u.format_id 86 1.1.1.2 fvdl #define llc_class llc_un.type_u.class 87 1.1.1.2 fvdl #define llc_window llc_un.type_u.window_x2 88 1.1.1.2 fvdl #define llc_frmrinfo llc_un.type_frmr.frmrinfo 89 1.1.1.2 fvdl #define llc_frmr_pdu0 llc_un.type_frmr.frmrinfo.rej_pdu0 90 1.1.1.2 fvdl #define llc_frmr_pdu1 llc_un.type_frmr.frmrinfo.rej_pdu1 91 1.1.1.2 fvdl #define llc_frmr_control llc_un.type_frmr.frmrinfo.frmr_control 92 1.1.1.2 fvdl #define llc_frmr_control_ext llc_un.type_frmr.frmrinfo.frmr_control_ext 93 1.1.1.2 fvdl #define llc_frmr_cause llc_un.type_frmr.frmrinfo.frmr_control_ext 94 1.1 cgd 95 1.1.1.2 fvdl /* 96 1.1.1.2 fvdl * Don't use sizeof(struct llc_un) for LLC header sizes 97 1.1.1.2 fvdl */ 98 1.1.1.2 fvdl #define LLC_ISFRAMELEN 4 99 1.1.1.2 fvdl #define LLC_UFRAMELEN 3 100 1.1.1.2 fvdl #define LLC_FRMRLEN 7 101 1.1.1.2 fvdl 102 1.1.1.2 fvdl /* 103 1.1.1.2 fvdl * Unnumbered LLC format commands 104 1.1.1.2 fvdl */ 105 1.1 cgd #define LLC_UI 0x3 106 1.1 cgd #define LLC_UI_P 0x13 107 1.1.1.2 fvdl #define LLC_DISC 0x43 108 1.1.1.2 fvdl #define LLC_DISC_P 0x53 109 1.1.1.2 fvdl #define LLC_UA 0x63 110 1.1.1.2 fvdl #define LLC_UA_P 0x73 111 1.1 cgd #define LLC_TEST 0xe3 112 1.1 cgd #define LLC_TEST_P 0xf3 113 1.1.1.2 fvdl #define LLC_FRMR 0x87 114 1.1.1.2 fvdl #define LLC_FRMR_P 0x97 115 1.1.1.2 fvdl #define LLC_DM 0x0f 116 1.1.1.2 fvdl #define LLC_DM_P 0x1f 117 1.1.1.2 fvdl #define LLC_XID 0xaf 118 1.1.1.2 fvdl #define LLC_XID_P 0xbf 119 1.1.1.2 fvdl #define LLC_SABME 0x6f 120 1.1.1.2 fvdl #define LLC_SABME_P 0x7f 121 1.1 cgd 122 1.1.1.2 fvdl /* 123 1.1.1.2 fvdl * Supervisory LLC commands 124 1.1.1.2 fvdl */ 125 1.1.1.2 fvdl #define LLC_RR 0x01 126 1.1.1.2 fvdl #define LLC_RNR 0x05 127 1.1.1.2 fvdl #define LLC_REJ 0x09 128 1.1.1.2 fvdl 129 1.1.1.2 fvdl /* 130 1.1.1.2 fvdl * Info format - dummy only 131 1.1.1.2 fvdl */ 132 1.1.1.2 fvdl #define LLC_INFO 0x00 133 1.1.1.2 fvdl 134 1.1.1.2 fvdl /* 135 1.1.1.2 fvdl * ISO PDTR 10178 contains among others 136 1.1.1.2 fvdl */ 137 1.1.1.2 fvdl #define LLC_X25_LSAP 0x7e 138 1.1 cgd #define LLC_SNAP_LSAP 0xaa 139 1.1.1.2 fvdl #define LLC_ISO_LSAP 0xfe 140 1.1.1.2 fvdl 141 1.1.1.2 fvdl 142 1.1.1.2 fvdl 143 1.1.1.2 fvdl 144 1.1.1.2 fvdl 145 1.1.1.2 fvdl 146
Indexes created Thu Oct 23 22:10:10 GMT 2025