1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/* packet-isis-clv.h
* Declares for common clv decoding functions.
*
* Stuart Stanley <stuarts@mxmail.net>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef _PACKET_ISIS_CLV_H
#define _PACKET_ISIS_CLV_H
/*
* A CLV is a tuple of a type, length and a value and is normally used for
* encoding information in all sorts of places.
* IS-IS uses a uniform CLV code space that is shared across
* all PDU Types.
*
* list taken from rfc3359 plus some memory from veterans ;-)
*
* http://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml#tlv-codepoints
*/
#define ISIS_CLV_AREA_ADDRESS 1 /* iso10589 */
#define ISIS_CLV_IS_REACH 2 /* iso10589 */
#define ISIS_CLV_ES_NEIGHBORS 3 /* iso10589 */
#define ISIS_CLV_PARTITION_DIS 4 /* iso10589 */
#define ISIS_CLV_PREFIX_NEIGHBORS 5 /* iso10589 */
#define ISIS_CLV_IS_NEIGHBORS 6 /* iso10589 */
#define ISIS_CLV_INSTANCE_IDENTIFIER 7 /* rfc6822 */
#define ISIS_CLV_PADDING 8 /* iso10589 */
#define ISIS_CLV_LSP_ENTRIES 9 /* iso10589 */
#define ISIS_CLV_AUTHENTICATION 10 /* iso10589, rfc3567 */
#define ISIS_CLV_CHECKSUM 12 /* rfc3358 */
#define ISIS_CLV_PURGE_ORIG_ID 13 /* rfc6232 */
#define ISIS_CLV_LSP_BUFFERSIZE 14 /* iso10589 rev2 */
#define ISIS_CLV_REVERSE_METRIC 16 /* rfc8500 */
#define ISIS_CLV_EXTD_IS_REACH 22 /* draft-ietf-isis-traffic-05 */
#define ISIS_CLV_IS_ALIAS_ID 24 /* draft-ietf-isis-ext-lsp-frags-02 */
#define ISIS_CLV_SRV6_LOCATOR 27 /* rfc9352 */
#define ISIS_CLV_INT_IP_REACH 128 /* rfc1195, rfc2966 */
#define ISIS_CLV_PROTOCOLS_SUPPORTED 129 /* rfc1195 */
#define ISIS_CLV_EXT_IP_REACH 130 /* rfc1195, rfc2966 */
#define ISIS_CLV_IDRP_INFO 131 /* rfc1195 */
#define ISIS_CLV_IP_ADDR 132 /* rfc1195 */
#define ISIS_CLV_IP_AUTHENTICATION 133 /* rfc1195, deprecated in rfc3787 */
#define ISIS_CLV_TE_ROUTER_ID 134 /* draft-ietf-isis-traffic-05 */
#define ISIS_CLV_EXTD_IP_REACH 135 /* draft-ietf-isis-traffic-05 */
#define ISIS_CLV_HOSTNAME 137 /* rfc2763 */
#define ISIS_CLV_SHARED_RISK_GROUP 138 /* rfc5307 */
#define ISIS_CLV_IPV6_SRLG_TLV 139 /* rfc6119 */
#define ISIS_CLV_IPV6_TE_ROUTER_ID 140 /* rfc6119 */
#define ISIS_GRP_ADDR 142 /* rfc7176 */
#define ISIS_CLV_MT_PORT_CAP 143 /* rfc6165, rfc7176 */
#define ISIS_CLV_MT_CAP 144 /* rfc6329, rfc7176 */
#define ISIS_CLV_TRILL_NEIGHBOR 145 /* rfc7176 */
#define ISIS_CLV_MAC_RI 147 /* rfc6165: MAC Reachability */
#define ISIS_CLV_BFD_ENABLED 148 /* rfc6213 */
#define ISIS_CLV_SID_LABEL_BINDING 149 /* draft-previdi-isis-segment-routing-extensions-05 */
#define ISIS_CLV_AVAYA_IPVPN 184 /* Avaya/Extremenetworks proprietary: Reverse engineered */
#define ISIS_CLV_AVAYA_IPVPN_MC 185 /* Avaya/Extremenetworks proprietary: Reverse engineered */
#define ISIS_CLV_AVAYA_IP_GRT_MC 186 /* Avaya/Extremenetworks proprietary: Reverse engineered */
#define ISIS_CLV_RESTART 211 /* draft-ietf-isis-restart-01 */
#define ISIS_CLV_MT_IS_REACH 222 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_CLV_MT_SUPPORTED 229 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_CLV_IP6_ADDR 232 /* draft-ietf-isis-ipv6-02 */
#define ISIS_CLV_IPV6_GBL_INT_ADDR 233 /* rfc6119 */
#define ISIS_CLV_MT_IP_REACH 235 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_CLV_IP6_REACH 236 /* draft-ietf-isis-ipv6-02 */
#define ISIS_CLV_MT_IP6_REACH 237 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_CLV_PTP_ADJ_STATE 240 /* rfc3373 */
#define ISIS_CLV_IIH_SEQNR 241 /* draft-shen-isis-iih-sequence-00 */
#define ISIS_CLV_RT_CAPABLE 242 /* rfc4971, rfc7176 */
#define ISIS_CLV_VENDOR_PRIVATE 250 /* draft-ietf-isis-proprietary-tlv-00 */
/*
* Our sub-packet dismantle structure for CLV's
*/
typedef struct {
int optcode; /* code for option */
const char *tree_text; /* text for fold out */
int *tree_id; /* id for add_item */
void (*dissect)(tvbuff_t *tvb, packet_info* pinfo, proto_tree *tree,
int offset, isis_data_t *isis, int length);
} isis_clv_handle_t;
/*
* Published API functions. NOTE, this are "local" API functions and
* are only valid from with isis decodes.
*/
extern void isis_dissect_clvs(tvbuff_t *tvb, packet_info* pinfo, proto_tree *tree, int offset,
const isis_clv_handle_t *opts, expert_field *expert_short_len, isis_data_t *isis,
int unknown_tree_id, int tree_type, int tree_length, expert_field *ei_unknown);
extern void isis_dissect_nlpid_clv(tvbuff_t *tvb, proto_tree *tree, int ett_nlpid,
int hf_nlpid, int offset, int length);
extern void isis_dissect_te_router_id_clv(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb, expert_field* expert,
int offset, int length, int tree_id);
extern void isis_dissect_ipv6_int_clv(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb, expert_field* expert,
int offset, int length, int tree_id);
extern void isis_dissect_ip_int_clv(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb, expert_field* expert,
int offset, int length, int tree_id);
extern void isis_dissect_mt_clv(tvbuff_t *tvb, packet_info* pinfo, proto_tree *tree,
int offset, int length, int tree_id, expert_field* mtid_expert);
extern void isis_dissect_hostname_clv(tvbuff_t *tvb, proto_tree *tree,
int offset, int length, int tree_id);
extern void isis_dissect_authentication_clv(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb,
int hf_auth_bytes, int hf_key_id, expert_field* auth_expert, int offset, int length);
extern void isis_dissect_area_address_clv(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb,
expert_field* expert, int hf_area, int offset, int length);
extern void isis_dissect_instance_identifier_clv(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb,
expert_field* expert, int hf_iid, int hf_supported_itid, int offset, int length);
extern void isis_dissect_metric(tvbuff_t *tvb, proto_tree *tree, int offset,
uint8_t value, char *pstr, int force_supported);
#endif /* _PACKET_ISIS_CLV_H */
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
|
