2 * Defines and such for LSP and their CLV decodes
4 * $Id: packet-isis-lsp.h,v 1.17 2003/04/03 05:22:11 guy Exp $
5 * Stuart Stanley <stuarts@mxmail.net>
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #ifndef _PACKET_ISIS_LSP_H
27 #define _PACKET_ISIS_LSP_H
30 * Declarations for L1/L2 LSP base header.
33 /* P | ATT | HIPPITY | DS FIELD description */
34 #define ISIS_LSP_PARTITION_MASK 0x80
35 #define ISIS_LSP_PARTITION_SHIFT 7
36 #define ISIS_LSP_PARTITION(info) (((info) & ISIS_LSP_PARTITION_MASK) >> ISIS_LSP_PARTITION_SHIFT)
38 #define ISIS_LSP_ATT_MASK 0x78
39 #define ISIS_LSP_ATT_SHIFT 3
40 #define ISIS_LSP_ATT(info) (((info) & ISIS_LSP_ATT_MASK) >> ISIS_LSP_ATT_SHIFT)
42 #define ISIS_LSP_ATT_DEFAULT(info) ((info) >> 3)
43 #define ISIS_LSP_ATT_DELAY(info) (((info) >> 2) & 1)
44 #define ISIS_LSP_ATT_EXPENSE(info) (((info) >> 1) & 1)
45 #define ISIS_LSP_ATT_ERROR(info) ((info) & 1)
47 #define ISIS_LSP_HIPPITY_MASK 0x04
48 #define ISIS_LSP_HIPPITY_SHIFT 2
49 #define ISIS_LSP_HIPPITY(info) (((info) & ISIS_LSP_HIPPITY_MASK) >> ISIS_LSP_HIPPITY_SHIFT)
51 #define ISIS_LSP_IS_TYPE_MASK 0x03
52 #define ISIS_LSP_IS_TYPE(info) ((info) & ISIS_LSP_IS_TYPE_MASK)
54 #define ISIS_LSP_MT_MSHIP_RES_MASK 4
55 #define ISIS_LSP_MT_MSHIP_RES_SHIFT 12
56 #define ISIS_LSP_MT_MSHIP_RES(info) (((info) >> ISIS_LSP_MT_MSHIP_RES_SHIFT) & ISIS_LSP_MT_MSHIP_RES_MASK)
58 #define ISIS_LSP_MT_MSHIP_ID_MASK 0x0FFF
59 #define ISIS_LSP_MT_MSHIP_ID(info) ((info) & ISIS_LSP_MT_MSHIP_ID_MASK)
62 #define ISIS_LSP_TYPE_UNUSED0 0
63 #define ISIS_LSP_TYPE_LEVEL_1 1
64 #define ISIS_LSP_TYPE_UNUSED2 2
65 #define ISIS_LSP_TYPE_LEVEL_2 3
67 #define ISIS_LSP_ATTACHED_NONE 0
68 #define ISIS_LSP_ATTACHED_DEFAULT 1
69 #define ISIS_LSP_ATTACHED_DELAY 2
70 #define ISIS_LSP_ATTACHED_EXPENSE 4
71 #define ISIS_LSP_ATTACHED_ERROR 8
74 #define ISIS_LSP_CLV_METRIC_SUPPORTED(x) ((x)&0x80)
75 #define ISIS_LSP_CLV_METRIC_IE(x) ((x)&0x40)
76 #define ISIS_LSP_CLV_METRIC_RESERVED(x) ((x)&0x40)
77 #define ISIS_LSP_CLV_METRIC_UPDOWN(x) ((x)&0x80)
78 #define ISIS_LSP_CLV_METRIC_VALUE(x) ((x)&0x3f)
81 * detail clv information on L1 lsp packets
83 #define ISIS_CLV_L1_LSP_AREA_ADDRESS 1
84 #define ISIS_CLV_L1_LSP_IS_NEIGHBORS 2
85 #define ISIS_CLV_L1_LSP_ES_NEIGHBORS 3
86 #define ISIS_CLV_L1_LSP_EXT_IS_REACHABLE 22
87 #define ISIS_CLV_L1_LSP_IP_INT_REACHABLE 128
88 #define ISIS_CLV_L1_LSP_NLPID 129
89 #define ISIS_CLV_L1_LSP_IP_EXT_REACHABLE 130
90 #define ISIS_CLV_L1_LSP_IP_INTERFACE_ADDR 132
91 #define ISIS_CLV_L1_LSP_TE_ROUTER_ID 134
92 #define ISIS_CLV_L1_LSP_EXT_IP_REACHABLE 135
93 #define ISIS_CLV_L1_LSP_HOSTNAME 137
94 #define ISIS_CLV_L1_LSP_MT_IS_REACHABLE 222
95 #define ISIS_CLV_L1_LSP_MT 229
96 #define ISIS_CLV_L1_LSP_IPv6_INTERFACE_ADDR 232
97 #define ISIS_CLV_L1_LSP_MT_REACHABLE_IPv4_PREFX 235
98 #define ISIS_CLV_L1_LSP_IPv6_REACHABLE 236
99 #define ISIS_CLV_L1_LSP_MT_REACHABLE_IPv6_PREFX 237
101 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
102 * this is would be appreciated!
104 #define ISIS_CLV_L1_LSP_AUTHENTICATION_NS 10 /* non spec */
105 #define ISIS_CLV_L1_LSP_AUTHENTICATION 133
108 * detail clv information on L2 lsp packets
110 #define ISIS_CLV_L2_LSP_AREA_ADDRESS 1
111 #define ISIS_CLV_L2_LSP_IS_NEIGHBORS 2
112 #define ISIS_CLV_L2_LSP_PARTITION_DIS 4
113 #define ISIS_CLV_L2_LSP_PREFIX_NEIGHBORS 5
114 #define ISIS_CLV_L2_LSP_EXT_IS_REACHABLE 22
115 #define ISIS_CLV_L2_LSP_IP_INT_REACHABLE 128
116 #define ISIS_CLV_L2_LSP_NLPID 129
117 #define ISIS_CLV_L2_LSP_IP_EXT_REACHABLE 130
118 #define ISIS_CLV_L2_LSP_IDRP_INFO 131
119 #define ISIS_CLV_L2_LSP_IP_INTERFACE_ADDR 132
120 #define ISIS_CLV_L2_LSP_TE_ROUTER_ID 134
121 #define ISIS_CLV_L2_LSP_EXT_IP_REACHABLE 135
122 #define ISIS_CLV_L2_LSP_HOSTNAME 137
123 #define ISIS_CLV_L2_LSP_MT_IS_REACHABLE 222
124 #define ISIS_CLV_L2_LSP_MT 229
125 #define ISIS_CLV_L2_LSP_IPv6_INTERFACE_ADDR 232
126 #define ISIS_CLV_L2_LSP_MT_REACHABLE_IPv4_PREFX 235
127 #define ISIS_CLV_L2_LSP_IPv6_REACHABLE 236
128 #define ISIS_CLV_L2_LSP_MT_REACHABLE_IPv6_PREFX 237
131 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
132 * this is would be appreciated!
134 #define ISIS_CLV_L2_LSP_AUTHENTICATION_NS 10 /*non spec */
135 #define ISIS_CLV_L2_LSP_AUTHENTICATION 133
138 * Published API functions. NOTE, this are "local" API functions and
139 * are only valid from with isis decodes.
141 extern void isis_dissect_isis_lsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
142 int offset, int hello_type, int header_length, int id_length);
143 extern void isis_register_lsp(int proto_isis);
145 #endif /* _PACKET_ISIS_LSP_H */