1 /*
2 * Copyright (c) 1998-2007 The TCPDUMP project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that: (1) source code
6 * distributions retain the above copyright notice and this paragraph
7 * in its entirety, and (2) distributions including binary code include
8 * the above copyright notice and this paragraph in its entirety in
9 * the documentation or other materials provided with the distribution.
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
13 * FOR A PARTICULAR PURPOSE.
14 *
15 * support for the IEEE Link Discovery Protocol as per 802.1AB
16 *
17 * Original code by Hannes Gredler (hannes@juniper.net)
18 * IEEE and TIA extensions by Carles Kishimoto <carles.kishimoto@gmail.com>
19 * DCBX extensions by Kaladhar Musunuru <kaladharm@sourceforge.net>
20 */
21
22 #ifndef lint
23 static const char rcsid[] _U_ =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-lldp.c,v 1.10 2008-03-20 09:30:56 hannes Exp $";
25 #endif
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <tcpdump-stdinc.h>
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36
37 #include "interface.h"
38 #include "extract.h"
39 #include "addrtoname.h"
40 #include "af.h"
41 #include "oui.h"
42
43 #define LLDP_EXTRACT_TYPE(x) (((x)&0xfe00)>>9)
44 #define LLDP_EXTRACT_LEN(x) ((x)&0x01ff)
45
46 /*
47 * TLV type codes
48 */
49 #define LLDP_END_TLV 0
50 #define LLDP_CHASSIS_ID_TLV 1
51 #define LLDP_PORT_ID_TLV 2
52 #define LLDP_TTL_TLV 3
53 #define LLDP_PORT_DESCR_TLV 4
54 #define LLDP_SYSTEM_NAME_TLV 5
55 #define LLDP_SYSTEM_DESCR_TLV 6
56 #define LLDP_SYSTEM_CAP_TLV 7
57 #define LLDP_MGMT_ADDR_TLV 8
58 #define LLDP_PRIVATE_TLV 127
59
60 static const struct tok lldp_tlv_values[] = {
61 { LLDP_END_TLV, "End" },
62 { LLDP_CHASSIS_ID_TLV, "Chassis ID" },
63 { LLDP_PORT_ID_TLV, "Port ID" },
64 { LLDP_TTL_TLV, "Time to Live" },
65 { LLDP_PORT_DESCR_TLV, "Port Description" },
66 { LLDP_SYSTEM_NAME_TLV, "System Name" },
67 { LLDP_SYSTEM_DESCR_TLV, "System Description" },
68 { LLDP_SYSTEM_CAP_TLV, "System Capabilities" },
69 { LLDP_MGMT_ADDR_TLV, "Management Address" },
70 { LLDP_PRIVATE_TLV, "Organization specific" },
71 { 0, NULL}
72 };
73
74 /*
75 * Chassis ID subtypes
76 */
77 #define LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE 1
78 #define LLDP_CHASSIS_INTF_ALIAS_SUBTYPE 2
79 #define LLDP_CHASSIS_PORT_COMP_SUBTYPE 3
80 #define LLDP_CHASSIS_MAC_ADDR_SUBTYPE 4
81 #define LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE 5
82 #define LLDP_CHASSIS_INTF_NAME_SUBTYPE 6
83 #define LLDP_CHASSIS_LOCAL_SUBTYPE 7
84
85 static const struct tok lldp_chassis_subtype_values[] = {
86 { LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE, "Chassis component"},
87 { LLDP_CHASSIS_INTF_ALIAS_SUBTYPE, "Interface alias"},
88 { LLDP_CHASSIS_PORT_COMP_SUBTYPE, "Port component"},
89 { LLDP_CHASSIS_MAC_ADDR_SUBTYPE, "MAC address"},
90 { LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE, "Network address"},
91 { LLDP_CHASSIS_INTF_NAME_SUBTYPE, "Interface name"},
92 { LLDP_CHASSIS_LOCAL_SUBTYPE, "Local"},
93 { 0, NULL}
94 };
95
96 /*
97 * Port ID subtypes
98 */
99 #define LLDP_PORT_INTF_ALIAS_SUBTYPE 1
100 #define LLDP_PORT_PORT_COMP_SUBTYPE 2
101 #define LLDP_PORT_MAC_ADDR_SUBTYPE 3
102 #define LLDP_PORT_NETWORK_ADDR_SUBTYPE 4
103 #define LLDP_PORT_INTF_NAME_SUBTYPE 5
104 #define LLDP_PORT_AGENT_CIRC_ID_SUBTYPE 6
105 #define LLDP_PORT_LOCAL_SUBTYPE 7
106
107 static const struct tok lldp_port_subtype_values[] = {
108 { LLDP_PORT_INTF_ALIAS_SUBTYPE, "Interface alias"},
109 { LLDP_PORT_PORT_COMP_SUBTYPE, "Port component"},
110 { LLDP_PORT_MAC_ADDR_SUBTYPE, "MAC address"},
111 { LLDP_PORT_NETWORK_ADDR_SUBTYPE, "Network Address"},
112 { LLDP_PORT_INTF_NAME_SUBTYPE, "Interface Name"},
113 { LLDP_PORT_AGENT_CIRC_ID_SUBTYPE, "Agent circuit ID"},
114 { LLDP_PORT_LOCAL_SUBTYPE, "Local"},
115 { 0, NULL}
116 };
117
118 /*
119 * System Capabilities
120 */
121 #define LLDP_CAP_OTHER (1 << 0)
122 #define LLDP_CAP_REPEATER (1 << 1)
123 #define LLDP_CAP_BRIDGE (1 << 2)
124 #define LLDP_CAP_WLAN_AP (1 << 3)
125 #define LLDP_CAP_ROUTER (1 << 4)
126 #define LLDP_CAP_PHONE (1 << 5)
127 #define LLDP_CAP_DOCSIS (1 << 6)
128 #define LLDP_CAP_STATION_ONLY (1 << 7)
129
130 static const struct tok lldp_cap_values[] = {
131 { LLDP_CAP_OTHER, "Other"},
132 { LLDP_CAP_REPEATER, "Repeater"},
133 { LLDP_CAP_BRIDGE, "Bridge"},
134 { LLDP_CAP_WLAN_AP, "WLAN AP"},
135 { LLDP_CAP_ROUTER, "Router"},
136 { LLDP_CAP_PHONE, "Telephone"},
137 { LLDP_CAP_DOCSIS, "Docsis"},
138 { LLDP_CAP_STATION_ONLY, "Station Only"},
139 { 0, NULL}
140 };
141
142 #define LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID 1
143 #define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID 2
144 #define LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME 3
145 #define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY 4
146 #define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION 8
147 #define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION 9
148 #define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION 10
149 #define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION 11
150 #define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY 12
151 #define LLDP_PRIVATE_8021_SUBTYPE_EVB 13
152 #define LLDP_PRIVATE_8021_SUBTYPE_CDCP 14
153
154 static const struct tok lldp_8021_subtype_values[] = {
155 { LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID, "Port VLAN Id"},
156 { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID, "Port and Protocol VLAN ID"},
157 { LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME, "VLAN name"},
158 { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY, "Protocol Identity"},
159 { LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION, "Congestion Notification"},
160 { LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION, "ETS Configuration"},
161 { LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION, "ETS Recommendation"},
162 { LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION, "Priority Flow Control Configuration"},
163 { LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY, "Application Priority"},
164 { LLDP_PRIVATE_8021_SUBTYPE_EVB, "EVB"},
165 { LLDP_PRIVATE_8021_SUBTYPE_CDCP,"CDCP"},
166 { 0, NULL}
167 };
168
169 #define LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT (1 << 1)
170 #define LLDP_8021_PORT_PROTOCOL_VLAN_STATUS (1 << 2)
171
172 static const struct tok lldp_8021_port_protocol_id_values[] = {
173 { LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT, "supported"},
174 { LLDP_8021_PORT_PROTOCOL_VLAN_STATUS, "enabled"},
175 { 0, NULL}
176 };
177
178 #define LLDP_PRIVATE_8023_SUBTYPE_MACPHY 1
179 #define LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER 2
180 #define LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR 3
181 #define LLDP_PRIVATE_8023_SUBTYPE_MTU 4
182
183 static const struct tok lldp_8023_subtype_values[] = {
184 { LLDP_PRIVATE_8023_SUBTYPE_MACPHY, "MAC/PHY configuration/status"},
185 { LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER, "Power via MDI"},
186 { LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR, "Link aggregation"},
187 { LLDP_PRIVATE_8023_SUBTYPE_MTU, "Max frame size"},
188 { 0, NULL}
189 };
190
191 #define LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES 1
192 #define LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY 2
193 #define LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID 3
194 #define LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI 4
195 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV 5
196 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV 6
197 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV 7
198 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER 8
199 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME 9
200 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME 10
201 #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID 11
202
203 static const struct tok lldp_tia_subtype_values[] = {
204 { LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES, "LLDP-MED Capabilities" },
205 { LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY, "Network policy" },
206 { LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID, "Location identification" },
207 { LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI, "Extended power-via-MDI" },
208 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Inventory - hardware revision" },
209 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Inventory - firmware revision" },
210 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Inventory - software revision" },
211 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Inventory - serial number" },
212 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Inventory - manufacturer name" },
213 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Inventory - model name" },
214 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Inventory - asset ID" },
215 { 0, NULL}
216 };
217
218 #define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS 1
219 #define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS 2
220
221 static const struct tok lldp_tia_location_altitude_type_values[] = {
222 { LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS, "meters"},
223 { LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS, "floors"},
224 { 0, NULL}
225 };
226
227 /* ANSI/TIA-1057 - Annex B */
228 #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1 1
229 #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2 2
230 #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3 3
231 #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4 4
232 #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5 5
233 #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6 6
234
235 static const struct tok lldp_tia_location_lci_catype_values[] = {
236 { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1, "national subdivisions (state,canton,region,province,prefecture)"},
237 { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2, "county, parish, gun, district"},
238 { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3, "city, township, shi"},
239 { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4, "city division, borough, city district, ward chou"},
240 { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5, "neighborhood, block"},
241 { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6, "street"},
242 { 0, NULL}
243 };
244
245 static const struct tok lldp_tia_location_lci_what_values[] = {
246 { 0, "location of DHCP server"},
247 { 1, "location of the network element believed to be closest to the client"},
248 { 2, "location of the client"},
249 { 0, NULL}
250 };
251
252 /*
253 * From RFC 3636 - dot3MauType
254 */
255 #define LLDP_MAU_TYPE_UNKNOWN 0
256 #define LLDP_MAU_TYPE_AUI 1
257 #define LLDP_MAU_TYPE_10BASE_5 2
258 #define LLDP_MAU_TYPE_FOIRL 3
259 #define LLDP_MAU_TYPE_10BASE_2 4
260 #define LLDP_MAU_TYPE_10BASE_T 5
261 #define LLDP_MAU_TYPE_10BASE_FP 6
262 #define LLDP_MAU_TYPE_10BASE_FB 7
263 #define LLDP_MAU_TYPE_10BASE_FL 8
264 #define LLDP_MAU_TYPE_10BROAD36 9
265 #define LLDP_MAU_TYPE_10BASE_T_HD 10
266 #define LLDP_MAU_TYPE_10BASE_T_FD 11
267 #define LLDP_MAU_TYPE_10BASE_FL_HD 12
268 #define LLDP_MAU_TYPE_10BASE_FL_FD 13
269 #define LLDP_MAU_TYPE_100BASE_T4 14
270 #define LLDP_MAU_TYPE_100BASE_TX_HD 15
271 #define LLDP_MAU_TYPE_100BASE_TX_FD 16
272 #define LLDP_MAU_TYPE_100BASE_FX_HD 17
273 #define LLDP_MAU_TYPE_100BASE_FX_FD 18
274 #define LLDP_MAU_TYPE_100BASE_T2_HD 19
275 #define LLDP_MAU_TYPE_100BASE_T2_FD 20
276 #define LLDP_MAU_TYPE_1000BASE_X_HD 21
277 #define LLDP_MAU_TYPE_1000BASE_X_FD 22
278 #define LLDP_MAU_TYPE_1000BASE_LX_HD 23
279 #define LLDP_MAU_TYPE_1000BASE_LX_FD 24
280 #define LLDP_MAU_TYPE_1000BASE_SX_HD 25
281 #define LLDP_MAU_TYPE_1000BASE_SX_FD 26
282 #define LLDP_MAU_TYPE_1000BASE_CX_HD 27
283 #define LLDP_MAU_TYPE_1000BASE_CX_FD 28
284 #define LLDP_MAU_TYPE_1000BASE_T_HD 29
285 #define LLDP_MAU_TYPE_1000BASE_T_FD 30
286 #define LLDP_MAU_TYPE_10GBASE_X 31
287 #define LLDP_MAU_TYPE_10GBASE_LX4 32
288 #define LLDP_MAU_TYPE_10GBASE_R 33
289 #define LLDP_MAU_TYPE_10GBASE_ER 34
290 #define LLDP_MAU_TYPE_10GBASE_LR 35
291 #define LLDP_MAU_TYPE_10GBASE_SR 36
292 #define LLDP_MAU_TYPE_10GBASE_W 37
293 #define LLDP_MAU_TYPE_10GBASE_EW 38
294 #define LLDP_MAU_TYPE_10GBASE_LW 39
295 #define LLDP_MAU_TYPE_10GBASE_SW 40
296
297 static const struct tok lldp_mau_types_values[] = {
298 { LLDP_MAU_TYPE_UNKNOWN, "Unknown"},
299 { LLDP_MAU_TYPE_AUI, "AUI"},
300 { LLDP_MAU_TYPE_10BASE_5, "10BASE_5"},
301 { LLDP_MAU_TYPE_FOIRL, "FOIRL"},
302 { LLDP_MAU_TYPE_10BASE_2, "10BASE2"},
303 { LLDP_MAU_TYPE_10BASE_T, "10BASET duplex mode unknown"},
304 { LLDP_MAU_TYPE_10BASE_FP, "10BASEFP"},
305 { LLDP_MAU_TYPE_10BASE_FB, "10BASEFB"},
306 { LLDP_MAU_TYPE_10BASE_FL, "10BASEFL duplex mode unknown"},
307 { LLDP_MAU_TYPE_10BROAD36, "10BROAD36"},
308 { LLDP_MAU_TYPE_10BASE_T_HD, "10BASET hdx"},
309 { LLDP_MAU_TYPE_10BASE_T_FD, "10BASET fdx"},
310 { LLDP_MAU_TYPE_10BASE_FL_HD, "10BASEFL hdx"},
311 { LLDP_MAU_TYPE_10BASE_FL_FD, "10BASEFL fdx"},
312 { LLDP_MAU_TYPE_100BASE_T4, "100BASET4"},
313 { LLDP_MAU_TYPE_100BASE_TX_HD, "100BASETX hdx"},
314 { LLDP_MAU_TYPE_100BASE_TX_FD, "100BASETX fdx"},
315 { LLDP_MAU_TYPE_100BASE_FX_HD, "100BASEFX hdx"},
316 { LLDP_MAU_TYPE_100BASE_FX_FD, "100BASEFX fdx"},
317 { LLDP_MAU_TYPE_100BASE_T2_HD, "100BASET2 hdx"},
318 { LLDP_MAU_TYPE_100BASE_T2_FD, "100BASET2 fdx"},
319 { LLDP_MAU_TYPE_1000BASE_X_HD, "1000BASEX hdx"},
320 { LLDP_MAU_TYPE_1000BASE_X_FD, "1000BASEX fdx"},
321 { LLDP_MAU_TYPE_1000BASE_LX_HD, "1000BASELX hdx"},
322 { LLDP_MAU_TYPE_1000BASE_LX_FD, "1000BASELX fdx"},
323 { LLDP_MAU_TYPE_1000BASE_SX_HD, "1000BASESX hdx"},
324 { LLDP_MAU_TYPE_1000BASE_SX_FD, "1000BASESX fdx"},
325 { LLDP_MAU_TYPE_1000BASE_CX_HD, "1000BASECX hdx"},
326 { LLDP_MAU_TYPE_1000BASE_CX_FD, "1000BASECX fdx"},
327 { LLDP_MAU_TYPE_1000BASE_T_HD, "1000BASET hdx"},
328 { LLDP_MAU_TYPE_1000BASE_T_FD, "1000BASET fdx"},
329 { LLDP_MAU_TYPE_10GBASE_X, "10GBASEX"},
330 { LLDP_MAU_TYPE_10GBASE_LX4, "10GBASELX4"},
331 { LLDP_MAU_TYPE_10GBASE_R, "10GBASER"},
332 { LLDP_MAU_TYPE_10GBASE_ER, "10GBASEER"},
333 { LLDP_MAU_TYPE_10GBASE_LR, "10GBASELR"},
334 { LLDP_MAU_TYPE_10GBASE_SR, "10GBASESR"},
335 { LLDP_MAU_TYPE_10GBASE_W, "10GBASEW"},
336 { LLDP_MAU_TYPE_10GBASE_EW, "10GBASEEW"},
337 { LLDP_MAU_TYPE_10GBASE_LW, "10GBASELW"},
338 { LLDP_MAU_TYPE_10GBASE_SW, "10GBASESW"},
339 { 0, NULL}
340 };
341
342 #define LLDP_8023_AUTONEGOTIATION_SUPPORT (1 << 0)
343 #define LLDP_8023_AUTONEGOTIATION_STATUS (1 << 1)
344
345 static const struct tok lldp_8023_autonegotiation_values[] = {
346 { LLDP_8023_AUTONEGOTIATION_SUPPORT, "supported"},
347 { LLDP_8023_AUTONEGOTIATION_STATUS, "enabled"},
348 { 0, NULL}
349 };
350
351 #define LLDP_TIA_CAPABILITY_MED (1 << 0)
352 #define LLDP_TIA_CAPABILITY_NETWORK_POLICY (1 << 1)
353 #define LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION (1 << 2)
354 #define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE (1 << 3)
355 #define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD (1 << 4)
356 #define LLDP_TIA_CAPABILITY_INVENTORY (1 << 5)
357
358 static const struct tok lldp_tia_capabilities_values[] = {
359 { LLDP_TIA_CAPABILITY_MED, "LLDP-MED capabilities"},
360 { LLDP_TIA_CAPABILITY_NETWORK_POLICY, "network policy"},
361 { LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION, "location identification"},
362 { LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE, "extended power via MDI-PSE"},
363 { LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD, "extended power via MDI-PD"},
364 { LLDP_TIA_CAPABILITY_INVENTORY, "Inventory"},
365 { 0, NULL}
366 };
367
368 #define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1 1
369 #define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2 2
370 #define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3 3
371 #define LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY 4
372
373 static const struct tok lldp_tia_device_type_values[] = {
374 { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1, "endpoint class 1"},
375 { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2, "endpoint class 2"},
376 { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3, "endpoint class 3"},
377 { LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY, "network connectivity"},
378 { 0, NULL}
379 };
380
381 #define LLDP_TIA_APPLICATION_TYPE_VOICE 1
382 #define LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING 2
383 #define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE 3
384 #define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING 4
385 #define LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE 5
386 #define LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING 6
387 #define LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO 7
388 #define LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING 8
389
390 static const struct tok lldp_tia_application_type_values[] = {
391 { LLDP_TIA_APPLICATION_TYPE_VOICE, "voice"},
392 { LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING, "voice signaling"},
393 { LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE, "guest voice"},
394 { LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING, "guest voice signaling"},
395 { LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE, "softphone voice"},
396 { LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING, "video conferencing"},
397 { LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO, "streaming video"},
398 { LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING, "video signaling"},
399 { 0, NULL}
400 };
401
402 #define LLDP_TIA_NETWORK_POLICY_X_BIT (1 << 5)
403 #define LLDP_TIA_NETWORK_POLICY_T_BIT (1 << 6)
404 #define LLDP_TIA_NETWORK_POLICY_U_BIT (1 << 7)
405
406 static const struct tok lldp_tia_network_policy_bits_values[] = {
407 { LLDP_TIA_NETWORK_POLICY_U_BIT, "Unknown"},
408 { LLDP_TIA_NETWORK_POLICY_T_BIT, "Tagged"},
409 { LLDP_TIA_NETWORK_POLICY_X_BIT, "reserved"},
410 { 0, NULL}
411 };
412
413 #define LLDP_EXTRACT_NETWORK_POLICY_VLAN(x) (((x)&0x1ffe)>>1)
414 #define LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(x) (((x)&0x01ff)>>6)
415 #define LLDP_EXTRACT_NETWORK_POLICY_DSCP(x) ((x)&0x003f)
416
417 #define LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED 1
418 #define LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS 2
419 #define LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN 3
420
421 static const struct tok lldp_tia_location_data_format_values[] = {
422 { LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED, "coordinate-based LCI"},
423 { LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS, "civic address LCI"},
424 { LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN, "ECS ELIN"},
425 { 0, NULL}
426 };
427
428 #define LLDP_TIA_LOCATION_DATUM_WGS_84 1
429 #define LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88 2
430 #define LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW 3
431
432 static const struct tok lldp_tia_location_datum_type_values[] = {
433 { LLDP_TIA_LOCATION_DATUM_WGS_84, "World Geodesic System 1984"},
434 { LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88, "North American Datum 1983 (NAVD88)"},
435 { LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW, "North American Datum 1983 (MLLW)"},
436 { 0, NULL}
437 };
438
439 #define LLDP_TIA_POWER_SOURCE_PSE 1
440 #define LLDP_TIA_POWER_SOURCE_LOCAL 2
441 #define LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL 3
442
443 static const struct tok lldp_tia_power_source_values[] = {
444 { LLDP_TIA_POWER_SOURCE_PSE, "PSE - primary power source"},
445 { LLDP_TIA_POWER_SOURCE_LOCAL, "local - backup power source"},
446 { LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL, "PSE+local - reserved"},
447 { 0, NULL}
448 };
449
450 #define LLDP_TIA_POWER_PRIORITY_CRITICAL 1
451 #define LLDP_TIA_POWER_PRIORITY_HIGH 2
452 #define LLDP_TIA_POWER_PRIORITY_LOW 3
453
454 static const struct tok lldp_tia_power_priority_values[] = {
455 { LLDP_TIA_POWER_PRIORITY_CRITICAL, "critical"},
456 { LLDP_TIA_POWER_PRIORITY_HIGH, "high"},
457 { LLDP_TIA_POWER_PRIORITY_LOW, "low"},
458 { 0, NULL}
459 };
460
461 #define LLDP_TIA_POWER_VAL_MAX 1024
462
463 static const struct tok lldp_tia_inventory_values[] = {
464 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Hardware revision" },
465 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Firmware revision" },
466 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Software revision" },
467 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Serial number" },
468 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Manufacturer name" },
469 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Model name" },
470 { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Asset ID" },
471 { 0, NULL}
472 };
473
474 /*
475 * From RFC 3636 - ifMauAutoNegCapAdvertisedBits
476 */
477 #define LLDP_MAU_PMD_OTHER (1 << 15)
478 #define LLDP_MAU_PMD_10BASE_T (1 << 14)
479 #define LLDP_MAU_PMD_10BASE_T_FD (1 << 13)
480 #define LLDP_MAU_PMD_100BASE_T4 (1 << 12)
481 #define LLDP_MAU_PMD_100BASE_TX (1 << 11)
482 #define LLDP_MAU_PMD_100BASE_TX_FD (1 << 10)
483 #define LLDP_MAU_PMD_100BASE_T2 (1 << 9)
484 #define LLDP_MAU_PMD_100BASE_T2_FD (1 << 8)
485 #define LLDP_MAU_PMD_FDXPAUSE (1 << 7)
486 #define LLDP_MAU_PMD_FDXAPAUSE (1 << 6)
487 #define LLDP_MAU_PMD_FDXSPAUSE (1 << 5)
488 #define LLDP_MAU_PMD_FDXBPAUSE (1 << 4)
489 #define LLDP_MAU_PMD_1000BASE_X (1 << 3)
490 #define LLDP_MAU_PMD_1000BASE_X_FD (1 << 2)
491 #define LLDP_MAU_PMD_1000BASE_T (1 << 1)
492 #define LLDP_MAU_PMD_1000BASE_T_FD (1 << 0)
493
494 static const struct tok lldp_pmd_capability_values[] = {
495 { LLDP_MAU_PMD_10BASE_T, "10BASE-T hdx"},
496 { LLDP_MAU_PMD_10BASE_T_FD, "10BASE-T fdx"},
497 { LLDP_MAU_PMD_100BASE_T4, "100BASE-T4"},
498 { LLDP_MAU_PMD_100BASE_TX, "100BASE-TX hdx"},
499 { LLDP_MAU_PMD_100BASE_TX_FD, "100BASE-TX fdx"},
500 { LLDP_MAU_PMD_100BASE_T2, "100BASE-T2 hdx"},
501 { LLDP_MAU_PMD_100BASE_T2_FD, "100BASE-T2 fdx"},
502 { LLDP_MAU_PMD_FDXPAUSE, "Pause for fdx links"},
503 { LLDP_MAU_PMD_FDXAPAUSE, "Asym PAUSE for fdx"},
504 { LLDP_MAU_PMD_FDXSPAUSE, "Sym PAUSE for fdx"},
505 { LLDP_MAU_PMD_FDXBPAUSE, "Asym and Sym PAUSE for fdx"},
506 { LLDP_MAU_PMD_1000BASE_X, "1000BASE-{X LX SX CX} hdx"},
507 { LLDP_MAU_PMD_1000BASE_X_FD, "1000BASE-{X LX SX CX} fdx"},
508 { LLDP_MAU_PMD_1000BASE_T, "1000BASE-T hdx"},
509 { LLDP_MAU_PMD_1000BASE_T_FD, "1000BASE-T fdx"},
510 { 0, NULL}
511 };
512
513 #define LLDP_MDI_PORT_CLASS (1 << 0)
514 #define LLDP_MDI_POWER_SUPPORT (1 << 1)
515 #define LLDP_MDI_POWER_STATE (1 << 2)
516 #define LLDP_MDI_PAIR_CONTROL_ABILITY (1 << 3)
517
518 static const struct tok lldp_mdi_values[] = {
519 { LLDP_MDI_PORT_CLASS, "PSE"},
520 { LLDP_MDI_POWER_SUPPORT, "supported"},
521 { LLDP_MDI_POWER_STATE, "enabled"},
522 { LLDP_MDI_PAIR_CONTROL_ABILITY, "can be controlled"},
523 { 0, NULL}
524 };
525
526 #define LLDP_MDI_PSE_PORT_POWER_PAIRS_SIGNAL 1
527 #define LLDP_MDI_PSE_PORT_POWER_PAIRS_SPARE 2
528
529 static const struct tok lldp_mdi_power_pairs_values[] = {
530 { LLDP_MDI_PSE_PORT_POWER_PAIRS_SIGNAL, "signal"},
531 { LLDP_MDI_PSE_PORT_POWER_PAIRS_SPARE, "spare"},
532 { 0, NULL}
533 };
534
535 #define LLDP_MDI_POWER_CLASS0 1
536 #define LLDP_MDI_POWER_CLASS1 2
537 #define LLDP_MDI_POWER_CLASS2 3
538 #define LLDP_MDI_POWER_CLASS3 4
539 #define LLDP_MDI_POWER_CLASS4 5
540
541 static const struct tok lldp_mdi_power_class_values[] = {
542 { LLDP_MDI_POWER_CLASS0, "class0"},
543 { LLDP_MDI_POWER_CLASS1, "class1"},
544 { LLDP_MDI_POWER_CLASS2, "class2"},
545 { LLDP_MDI_POWER_CLASS3, "class3"},
546 { LLDP_MDI_POWER_CLASS4, "class4"},
547 { 0, NULL}
548 };
549
550 #define LLDP_AGGREGATION_CAPABILTIY (1 << 0)
551 #define LLDP_AGGREGATION_STATUS (1 << 1)
552
553 static const struct tok lldp_aggregation_values[] = {
554 { LLDP_AGGREGATION_CAPABILTIY, "supported"},
555 { LLDP_AGGREGATION_STATUS, "enabled"},
556 { 0, NULL}
557 };
558
559 /*
560 * DCBX protocol subtypes.
561 */
562 #define LLDP_DCBX_SUBTYPE_1 1
563 #define LLDP_DCBX_SUBTYPE_2 2
564
565 static const struct tok lldp_dcbx_subtype_values[] = {
566 { LLDP_DCBX_SUBTYPE_1, "DCB Capability Exchange Protocol Rev 1" },
567 { LLDP_DCBX_SUBTYPE_2, "DCB Capability Exchange Protocol Rev 1.01" },
568 { 0, NULL}
569 };
570
571 #define LLDP_DCBX_CONTROL_TLV 1
572 #define LLDP_DCBX_PRIORITY_GROUPS_TLV 2
573 #define LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV 3
574 #define LLDP_DCBX_APPLICATION_TLV 4
575
576 /*
577 * Interface numbering subtypes.
578 */
579 #define LLDP_INTF_NUMB_IFX_SUBTYPE 2
580 #define LLDP_INTF_NUMB_SYSPORT_SUBTYPE 3
581
582 static const struct tok lldp_intf_numb_subtype_values[] = {
583 { LLDP_INTF_NUMB_IFX_SUBTYPE, "Interface Index" },
584 { LLDP_INTF_NUMB_SYSPORT_SUBTYPE, "System Port Number" },
585 { 0, NULL}
586 };
587
588 #define LLDP_INTF_NUM_LEN 5
589
590 #define LLDP_EVB_MODE_NOT_SUPPORTED 0
591 #define LLDP_EVB_MODE_EVB_BRIDGE 1
592 #define LLDP_EVB_MODE_EVB_STATION 2
593 #define LLDP_EVB_MODE_RESERVED 3
594
595 static const struct tok lldp_evb_mode_values[]={
596 { LLDP_EVB_MODE_NOT_SUPPORTED, "Not Supported"},
597 { LLDP_EVB_MODE_EVB_BRIDGE, "EVB Bridge"},
598 { LLDP_EVB_MODE_EVB_STATION, "EVB Staion"},
599 { LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"},
600 };
601
602 #define NO_OF_BITS 8
603 #define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH 6
604 #define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH 25
605 #define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH 25
606 #define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH 6
607 #define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH 5
608 #define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH 9
609 #define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH 8
610
print_ets_priority_assignment_table(const u_char * ptr)611 static void print_ets_priority_assignment_table(const u_char *ptr)
612 {
613 printf("\n\t Priority Assignment Table");
614 printf("\n\t Priority : 0 1 2 3 4 5 6 7");
615 printf("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
616 ptr[0]>>4,ptr[0]&0x0f,ptr[1]>>4,ptr[1]&0x0f,ptr[2]>>4,
617 ptr[2]&0x0f,ptr[3]>>4,ptr[3]&0x0f);
618 }
619
print_tc_bandwidth_table(const u_char * ptr)620 static void print_tc_bandwidth_table(const u_char *ptr)
621 {
622 printf("\n\t TC Bandwidth Table");
623 printf("\n\t TC%% : 0 1 2 3 4 5 6 7");
624 printf("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
625 ptr[0],ptr[1],ptr[2],ptr[3],ptr[4],ptr[5],ptr[6],ptr[7]);
626 }
627
print_tsa_assignment_table(const u_char * ptr)628 static void print_tsa_assignment_table(const u_char *ptr)
629 {
630 printf("\n\t TSA Assignment Table");
631 printf("\n\t Traffic Class: 0 1 2 3 4 5 6 7");
632 printf("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
633 ptr[0],ptr[1],ptr[2],ptr[3],ptr[4],ptr[5],ptr[6],ptr[7]);
634 }
635
636 /*
637 * Print IEEE 802.1 private extensions. (802.1AB annex E)
638 */
639 static int
lldp_private_8021_print(const u_char * tptr,u_int tlv_len)640 lldp_private_8021_print(const u_char *tptr, u_int tlv_len)
641 {
642 int subtype, hexdump = FALSE;
643 u_int sublen;
644 u_int tval;
645 u_int8_t i;
646
647 if (tlv_len < 4) {
648 return hexdump;
649 }
650 subtype = *(tptr+3);
651
652 printf("\n\t %s Subtype (%u)",
653 tok2str(lldp_8021_subtype_values, "unknown", subtype),
654 subtype);
655
656 switch (subtype) {
657 case LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID:
658 if (tlv_len < 6) {
659 return hexdump;
660 }
661 printf("\n\t port vlan id (PVID): %u",
662 EXTRACT_16BITS(tptr+4));
663 break;
664 case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID:
665 if (tlv_len < 7) {
666 return hexdump;
667 }
668 printf("\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
669 EXTRACT_16BITS(tptr+5),
670 bittok2str(lldp_8021_port_protocol_id_values, "none", *(tptr+4)),
671 *(tptr+4));
672 break;
673 case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME:
674 if (tlv_len < 6) {
675 return hexdump;
676 }
677 printf("\n\t vlan id (VID): %u",
678 EXTRACT_16BITS(tptr+4));
679 if (tlv_len < 7) {
680 return hexdump;
681 }
682 sublen = *(tptr+6);
683 if (tlv_len < 7+sublen) {
684 return hexdump;
685 }
686 printf("\n\t vlan name: ");
687 safeputs((const char *)tptr+7, sublen);
688 break;
689 case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY:
690 if (tlv_len < 5) {
691 return hexdump;
692 }
693 sublen = *(tptr+4);
694 if (tlv_len < 5+sublen) {
695 return hexdump;
696 }
697 printf("\n\t protocol identity: ");
698 safeputs((const char *)tptr+5, sublen);
699 break;
700 case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION:
701 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){
702 return hexdump;
703 }
704 tval=*(tptr+4);
705 printf("\n\t Pre-Priority CNPV Indicator");
706 printf("\n\t Priority : 0 1 2 3 4 5 6 7");
707 printf("\n\t Value : ");
708 for(i=0;i<NO_OF_BITS;i++)
709 printf("%-2d ",(tval>>i)&0x01);
710 tval=*(tptr+5);
711 printf("\n\t Pre-Priority Ready Indicator");
712 printf("\n\t Priority : 0 1 2 3 4 5 6 7");
713 printf("\n\t Value : ");
714 for(i=0;i<NO_OF_BITS;i++)
715 printf("%-2d ",(tval>>i)&0x01);
716 break;
717
718 case LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION:
719 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH) {
720 return hexdump;
721 }
722 tval=*(tptr+4);
723 printf("\n\t Willing:%d, CBS:%d, RES:%d, Max TCs:%d",
724 tval>>7, (tval>>6) & 0x02, (tval>>3) & 0x07, tval & 0x07);
725
726 /*Print Priority Assignment Table*/
727 print_ets_priority_assignment_table(tptr+5);
728
729 /*Print TC Bandwidth Table*/
730 print_tc_bandwidth_table(tptr+9);
731
732 /* Print TSA Assignment Table */
733 print_tsa_assignment_table(tptr+17);
734
735 break;
736
737 case LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION:
738 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH) {
739 return hexdump;
740 }
741 printf("\n\t RES: %d",*(tptr+4));
742 /*Print Priority Assignment Table */
743 print_ets_priority_assignment_table(tptr+5);
744 /*Print TC Bandwidth Table */
745 print_tc_bandwidth_table(tptr+9);
746 /* Print TSA Assignment Table */
747 print_tsa_assignment_table(tptr+17);
748 break;
749
750 case LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION:
751 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH) {
752 return hexdump;
753 }
754 tval=*(tptr+4);
755 printf("\n\t Willing: %d, MBC: %d, RES: %d, PFC cap:%d ",
756 tval>>7, (tval>>6)&0x01, (tval>>4)&0x03, (tval & 0x0f));
757 printf("\n\t PFC Enable");
758 tval=*(tptr+5);
759 printf("\n\t Priority : 0 1 2 3 4 5 6 7");
760 printf("\n\t Value : ");
761 for(i=0;i<NO_OF_BITS;i++)
762 printf("%-2d ",(tval>>i)&0x01);
763 break;
764
765 case LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY:
766 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH) {
767 return hexdump;
768 }
769 printf("\n\t RES: %d",*(tptr+4));
770 if(tlv_len<=LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH){
771 return hexdump;
772 }
773 /* Length of Application Priority Table */
774 sublen=tlv_len-5;
775 if(sublen%3!=0){
776 return hexdump;
777 }
778 i=0;
779 printf("\n\t Application Priority Table");
780 while(i<sublen) {
781 tval=*(tptr+i+5);
782 printf("\n\t Priority: %d, RES: %d, Sel: %d",
783 tval>>5, (tval>>3)&0x03, (tval & 0x07));
784 printf("Protocol ID: %d",EXTRACT_16BITS(tptr+i+5));
785 i=i+3;
786 }
787 break;
788 case LLDP_PRIVATE_8021_SUBTYPE_EVB:
789 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){
790 return hexdump;
791 }
792 printf("\n\t EVB Bridge Status");
793 tval=*(tptr+4);
794 printf("\n\t RES: %d, BGID: %d, RRCAP: %d, RRCTR: %d",
795 tval>>3, (tval>>2)&0x01, (tval>>1)&0x01,tval&0x01);
796 printf("\n\t EVB Station Status");
797 tval=*(tptr+5);
798 printf("\n\t RES: %d, SGID: %d, RRREQ: %d,RRSTAT: %d",
799 tval>>4, (tval>>3)&0x01, (tval>>2)&0x01, tval&0x03);
800 tval=*(tptr+6);
801 printf("\n\t R: %d, RTE: %d, ",tval>>5, tval&0x1f);
802 tval=*(tptr+7);
803 printf("EVB Mode: %s [%d]",
804 tok2str(lldp_evb_mode_values,"unknown",tval>>6),tval>>6);
805 printf("\n\t ROL: %d, RWD: %d, ", (tval>>5)&0x01,tval&0x1f);
806 tval=*(tptr+8);
807 printf("RES: %d, ROL: %d, RKA: %d", tval>>6,(tval>>5)&0x01, tval&0x1f);
808 break;
809
810 case LLDP_PRIVATE_8021_SUBTYPE_CDCP:
811 if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH){
812 return hexdump;
813 }
814 tval=*(tptr+4);
815 printf("\n\t Role: %d, RES: %d, Scomp: %d ",
816 tval>>7, (tval>>4)&0x07,(tval>>3)&0x01);
817 printf("ChnCap: %d",EXTRACT_16BITS(tptr+6)&0x0fff);
818 sublen=tlv_len-8;
819 if(sublen%3!=0) {
820 return hexdump;
821 }
822 i=0;
823 while(i<sublen) {
824 tval=EXTRACT_24BITS(tptr+i+8);
825 printf("\n\t SCID: %d, SVID: %d",
826 tval>>12, tval&0x000fff);
827 i=i+3;
828 }
829 break;
830
831 default:
832 hexdump = TRUE;
833 break;
834 }
835
836 return hexdump;
837 }
838
839 /*
840 * Print IEEE 802.3 private extensions. (802.3bc)
841 */
842 static int
lldp_private_8023_print(const u_char * tptr,u_int tlv_len)843 lldp_private_8023_print(const u_char *tptr, u_int tlv_len)
844 {
845 int subtype, hexdump = FALSE;
846
847 if (tlv_len < 4) {
848 return hexdump;
849 }
850 subtype = *(tptr+3);
851
852 printf("\n\t %s Subtype (%u)",
853 tok2str(lldp_8023_subtype_values, "unknown", subtype),
854 subtype);
855
856 switch (subtype) {
857 case LLDP_PRIVATE_8023_SUBTYPE_MACPHY:
858 if (tlv_len < 9) {
859 return hexdump;
860 }
861 printf("\n\t autonegotiation [%s] (0x%02x)",
862 bittok2str(lldp_8023_autonegotiation_values, "none", *(tptr+4)),
863 *(tptr+4));
864 printf("\n\t PMD autoneg capability [%s] (0x%04x)",
865 bittok2str(lldp_pmd_capability_values,"unknown", EXTRACT_16BITS(tptr+5)),
866 EXTRACT_16BITS(tptr+5));
867 printf("\n\t MAU type %s (0x%04x)",
868 tok2str(lldp_mau_types_values, "unknown", EXTRACT_16BITS(tptr+7)),
869 EXTRACT_16BITS(tptr+7));
870 break;
871
872 case LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER:
873 if (tlv_len < 7) {
874 return hexdump;
875 }
876 printf("\n\t MDI power support [%s], power pair %s, power class %s",
877 bittok2str(lldp_mdi_values, "none", *(tptr+4)),
878 tok2str(lldp_mdi_power_pairs_values, "unknown", *(tptr+5)),
879 tok2str(lldp_mdi_power_class_values, "unknown", *(tptr+6)));
880 break;
881
882 case LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR:
883 if (tlv_len < 9) {
884 return hexdump;
885 }
886 printf("\n\t aggregation status [%s], aggregation port ID %u",
887 bittok2str(lldp_aggregation_values, "none", *(tptr+4)),
888 EXTRACT_32BITS(tptr+5));
889 break;
890
891 case LLDP_PRIVATE_8023_SUBTYPE_MTU:
892 printf("\n\t MTU size %u", EXTRACT_16BITS(tptr+4));
893 break;
894
895 default:
896 hexdump = TRUE;
897 break;
898 }
899
900 return hexdump;
901 }
902
903 /*
904 * Extract 34bits of latitude/longitude coordinates.
905 */
906 static u_int64_t
lldp_extract_latlon(const u_char * tptr)907 lldp_extract_latlon(const u_char *tptr)
908 {
909 u_int64_t latlon;
910
911 latlon = *tptr & 0x3;
912 latlon = (latlon << 32) | EXTRACT_32BITS(tptr+1);
913
914 return latlon;
915 }
916
917 /*
918 * Print private TIA extensions.
919 */
920 static int
lldp_private_tia_print(const u_char * tptr,u_int tlv_len)921 lldp_private_tia_print(const u_char *tptr, u_int tlv_len)
922 {
923 int subtype, hexdump = FALSE;
924 u_int8_t location_format;
925 u_int16_t power_val;
926 u_int lci_len;
927 u_int8_t ca_type, ca_len;
928
929 if (tlv_len < 4) {
930 return hexdump;
931 }
932 subtype = *(tptr+3);
933
934 printf("\n\t %s Subtype (%u)",
935 tok2str(lldp_tia_subtype_values, "unknown", subtype),
936 subtype);
937
938 switch (subtype) {
939 case LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES:
940 if (tlv_len < 7) {
941 return hexdump;
942 }
943 printf("\n\t Media capabilities [%s] (0x%04x)",
944 bittok2str(lldp_tia_capabilities_values, "none",
945 EXTRACT_16BITS(tptr+4)), EXTRACT_16BITS(tptr+4));
946 printf("\n\t Device type [%s] (0x%02x)",
947 tok2str(lldp_tia_device_type_values, "unknown", *(tptr+6)),
948 *(tptr+6));
949 break;
950
951 case LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY:
952 if (tlv_len < 8) {
953 return hexdump;
954 }
955 printf("\n\t Application type [%s] (0x%02x)",
956 tok2str(lldp_tia_application_type_values, "none", *(tptr+4)),
957 *(tptr+4));
958 printf(", Flags [%s]", bittok2str(
959 lldp_tia_network_policy_bits_values, "none", *(tptr+5)));
960 printf("\n\t Vlan id %u",
961 LLDP_EXTRACT_NETWORK_POLICY_VLAN(EXTRACT_16BITS(tptr+5)));
962 printf(", L2 priority %u",
963 LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(EXTRACT_16BITS(tptr+6)));
964 printf(", DSCP value %u",
965 LLDP_EXTRACT_NETWORK_POLICY_DSCP(EXTRACT_16BITS(tptr+6)));
966 break;
967
968 case LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID:
969 if (tlv_len < 5) {
970 return hexdump;
971 }
972 location_format = *(tptr+4);
973 printf("\n\t Location data format %s (0x%02x)",
974 tok2str(lldp_tia_location_data_format_values, "unknown", location_format),
975 location_format);
976
977 switch (location_format) {
978 case LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED:
979 if (tlv_len < 21) {
980 return hexdump;
981 }
982 printf("\n\t Latitude resolution %u, latitude value %" PRIu64,
983 (*(tptr+5)>>2), lldp_extract_latlon(tptr+5));
984 printf("\n\t Longitude resolution %u, longitude value %" PRIu64,
985 (*(tptr+10)>>2), lldp_extract_latlon(tptr+10));
986 printf("\n\t Altitude type %s (%u)",
987 tok2str(lldp_tia_location_altitude_type_values, "unknown",(*(tptr+15)>>4)),
988 (*(tptr+15)>>4));
989 printf("\n\t Altitude resolution %u, altitude value 0x%x",
990 (EXTRACT_16BITS(tptr+15)>>6)&0x3f,
991 ((EXTRACT_32BITS(tptr+16)&0x3fffffff)));
992 printf("\n\t Datum %s (0x%02x)",
993 tok2str(lldp_tia_location_datum_type_values, "unknown", *(tptr+20)),
994 *(tptr+20));
995 break;
996
997 case LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS:
998 if (tlv_len < 6) {
999 return hexdump;
1000 }
1001 lci_len = *(tptr+5);
1002 if (lci_len < 3) {
1003 return hexdump;
1004 }
1005 if (tlv_len < 7+lci_len) {
1006 return hexdump;
1007 }
1008 printf("\n\t LCI length %u, LCI what %s (0x%02x), Country-code ",
1009 lci_len,
1010 tok2str(lldp_tia_location_lci_what_values, "unknown", *(tptr+6)),
1011 *(tptr+6));
1012
1013 /* Country code */
1014 safeputs((const char *)(tptr+7), 2);
1015
1016 lci_len = lci_len-3;
1017 tptr = tptr + 9;
1018
1019 /* Decode each civic address element */
1020 while (lci_len > 0) {
1021 if (lci_len < 2) {
1022 return hexdump;
1023 }
1024 ca_type = *(tptr);
1025 ca_len = *(tptr+1);
1026
1027 tptr += 2;
1028 lci_len -= 2;
1029
1030 printf("\n\t CA type \'%s\' (%u), length %u: ",
1031 tok2str(lldp_tia_location_lci_catype_values, "unknown", ca_type),
1032 ca_type, ca_len);
1033
1034 /* basic sanity check */
1035 if ( ca_type == 0 || ca_len == 0) {
1036 return hexdump;
1037 }
1038 if (lci_len < ca_len) {
1039 return hexdump;
1040 }
1041
1042 safeputs((const char *)tptr, ca_len);
1043 tptr += ca_len;
1044 lci_len -= ca_len;
1045 }
1046 break;
1047
1048 case LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN:
1049 printf("\n\t ECS ELIN id ");
1050 safeputs((const char *)tptr+5, tlv_len-5);
1051 break;
1052
1053 default:
1054 printf("\n\t Location ID ");
1055 print_unknown_data(tptr+5, "\n\t ", tlv_len-5);
1056 }
1057 break;
1058
1059 case LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI:
1060 if (tlv_len < 7) {
1061 return hexdump;
1062 }
1063 printf("\n\t Power type [%s]",
1064 (*(tptr+4)&0xC0>>6) ? "PD device" : "PSE device");
1065 printf(", Power source [%s]",
1066 tok2str(lldp_tia_power_source_values, "none", (*(tptr+4)&0x30)>>4));
1067 printf("\n\t Power priority [%s] (0x%02x)",
1068 tok2str(lldp_tia_power_priority_values, "none", *(tptr+4)&0x0f),
1069 *(tptr+4)&0x0f);
1070 power_val = EXTRACT_16BITS(tptr+5);
1071 if (power_val < LLDP_TIA_POWER_VAL_MAX) {
1072 printf(", Power %.1f Watts", ((float)power_val)/10);
1073 } else {
1074 printf(", Power %u (Reserved)", power_val);
1075 }
1076 break;
1077
1078 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV:
1079 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV:
1080 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV:
1081 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER:
1082 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME:
1083 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME:
1084 case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID:
1085 printf("\n\t %s ",
1086 tok2str(lldp_tia_inventory_values, "unknown", subtype));
1087 safeputs((const char *)tptr+4, tlv_len-4);
1088 break;
1089
1090 default:
1091 hexdump = TRUE;
1092 break;
1093 }
1094
1095 return hexdump;
1096 }
1097
1098 /*
1099 * Print DCBX Protocol fields (V 1.01).
1100 */
1101 static int
lldp_private_dcbx_print(const u_char * pptr,u_int len)1102 lldp_private_dcbx_print(const u_char *pptr, u_int len)
1103 {
1104 int subtype, hexdump = FALSE;
1105 u_int8_t tval;
1106 u_int16_t tlv;
1107 u_int32_t i, pgval, uval;
1108 u_int tlen, tlv_type, tlv_len;
1109 const u_char *tptr, *mptr;
1110
1111 if (len < 4) {
1112 return hexdump;
1113 }
1114 subtype = *(pptr+3);
1115
1116 printf("\n\t %s Subtype (%u)",
1117 tok2str(lldp_dcbx_subtype_values, "unknown", subtype),
1118 subtype);
1119
1120 /* by passing old version */
1121 if (subtype == LLDP_DCBX_SUBTYPE_1)
1122 return TRUE;
1123
1124 tptr = pptr + 4;
1125 tlen = len - 4;
1126
1127 while (tlen >= sizeof(tlv)) {
1128
1129 TCHECK2(*tptr, sizeof(tlv));
1130
1131 tlv = EXTRACT_16BITS(tptr);
1132
1133 tlv_type = LLDP_EXTRACT_TYPE(tlv);
1134 tlv_len = LLDP_EXTRACT_LEN(tlv);
1135 hexdump = FALSE;
1136
1137 tlen -= sizeof(tlv);
1138 tptr += sizeof(tlv);
1139
1140 /* loop check */
1141 if (!tlv_type || !tlv_len) {
1142 break;
1143 }
1144
1145 TCHECK2(*tptr, tlv_len);
1146 if (tlen < tlv_len) {
1147 goto trunc;
1148 }
1149
1150 /* decode every tlv */
1151 switch (tlv_type) {
1152 case LLDP_DCBX_CONTROL_TLV:
1153 if (tlv_len < 10) {
1154 goto trunc;
1155 }
1156 printf("\n\t Control - Protocol Control (type 0x%x, length %d)",
1157 LLDP_DCBX_CONTROL_TLV, tlv_len);
1158 printf("\n\t Oper_Version: %d", *tptr);
1159 printf("\n\t Max_Version: %d", *(tptr+1));
1160 printf("\n\t Sequence Number: %d", EXTRACT_32BITS(tptr+2));
1161 printf("\n\t Acknowledgement Number: %d",
1162 EXTRACT_32BITS(tptr+6));
1163 break;
1164 case LLDP_DCBX_PRIORITY_GROUPS_TLV:
1165 if (tlv_len < 17) {
1166 goto trunc;
1167 }
1168 printf("\n\t Feature - Priority Group (type 0x%x, length %d)",
1169 LLDP_DCBX_PRIORITY_GROUPS_TLV, tlv_len);
1170 printf("\n\t Oper_Version: %d", *tptr);
1171 printf("\n\t Max_Version: %d", *(tptr+1));
1172 printf("\n\t Info block(0x%02X): ", *(tptr+2));
1173 tval = *(tptr+2);
1174 printf("Enable bit: %d, Willing bit: %d, Error Bit: %d",
1175 (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
1176 (tval & 0x20) ? 1 : 0);
1177 printf("\n\t SubType: %d", *(tptr+3));
1178 printf("\n\t Priority Allocation");
1179
1180 pgval = EXTRACT_32BITS(tptr+4);
1181 for (i = 0; i <= 7; i++) {
1182 tval = *(tptr+4+(i/2));
1183 printf("\n\t PgId_%d: %d",
1184 i, (pgval >> (28-4*i)) & 0xF);
1185 }
1186 printf("\n\t Priority Group Allocation");
1187 for (i = 0; i <= 7; i++)
1188 printf("\n\t Pg percentage[%d]: %d", i, *(tptr+8+i));
1189 printf("\n\t NumTCsSupported: %d", *(tptr+8+8));
1190 break;
1191 case LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV:
1192 if (tlv_len < 6) {
1193 goto trunc;
1194 }
1195 printf("\n\t Feature - Priority Flow Control");
1196 printf(" (type 0x%x, length %d)",
1197 LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV, tlv_len);
1198 printf("\n\t Oper_Version: %d", *tptr);
1199 printf("\n\t Max_Version: %d", *(tptr+1));
1200 printf("\n\t Info block(0x%02X): ", *(tptr+2));
1201 tval = *(tptr+2);
1202 printf("Enable bit: %d, Willing bit: %d, Error Bit: %d",
1203 (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
1204 (tval & 0x20) ? 1 : 0);
1205 printf("\n\t SubType: %d", *(tptr+3));
1206 tval = *(tptr+4);
1207 printf("\n\t PFC Config (0x%02X)", *(tptr+4));
1208 for (i = 0; i <= 7; i++)
1209 printf("\n\t Priority Bit %d: %s",
1210 i, (tval & (1 << i)) ? "Enabled" : "Disabled");
1211 printf("\n\t NumTCPFCSupported: %d", *(tptr+5));
1212 break;
1213 case LLDP_DCBX_APPLICATION_TLV:
1214 if (tlv_len < 4) {
1215 goto trunc;
1216 }
1217 printf("\n\t Feature - Application (type 0x%x, length %d)",
1218 LLDP_DCBX_APPLICATION_TLV, tlv_len);
1219 printf("\n\t Oper_Version: %d", *tptr);
1220 printf("\n\t Max_Version: %d", *(tptr+1));
1221 printf("\n\t Info block(0x%02X): ", *(tptr+2));
1222 tval = *(tptr+2);
1223 printf("Enable bit: %d, Willing bit: %d, Error Bit: %d",
1224 (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
1225 (tval & 0x20) ? 1 : 0);
1226 printf("\n\t SubType: %d", *(tptr+3));
1227 tval = tlv_len - 4;
1228 mptr = tptr + 4;
1229 while (tval >= 6) {
1230 printf("\n\t Application Value");
1231 printf("\n\t Application Protocol ID: 0x%04x",
1232 EXTRACT_16BITS(mptr));
1233 uval = EXTRACT_24BITS(mptr+2);
1234 printf("\n\t SF (0x%x) Application Protocol ID is %s",
1235 (uval >> 22),
1236 (uval >> 22) ? "Socket Number" : "L2 EtherType");
1237 printf("\n\t OUI: 0x%06x", uval & 0x3fffff);
1238 printf("\n\t User Priority Map: 0x%02x", *(mptr+5));
1239 tval = tval - 6;
1240 mptr = mptr + 6;
1241 }
1242 break;
1243 default:
1244 hexdump = TRUE;
1245 break;
1246 }
1247
1248 /* do we also want to see a hex dump ? */
1249 if (vflag > 1 || (vflag && hexdump)) {
1250 print_unknown_data(tptr,"\n\t ", tlv_len);
1251 }
1252
1253 tlen -= tlv_len;
1254 tptr += tlv_len;
1255 }
1256
1257 trunc:
1258 return hexdump;
1259 }
1260
1261 static char *
lldp_network_addr_print(const u_char * tptr,u_int len)1262 lldp_network_addr_print(const u_char *tptr, u_int len) {
1263
1264 u_int8_t af;
1265 static char buf[BUFSIZE];
1266 const char * (*pfunc)(const u_char *);
1267
1268 if (len < 1)
1269 return NULL;
1270 len--;
1271 af = *tptr;
1272 switch (af) {
1273 case AFNUM_INET:
1274 if (len < 4)
1275 return NULL;
1276 pfunc = getname;
1277 break;
1278 #ifdef INET6
1279 case AFNUM_INET6:
1280 if (len < 16)
1281 return NULL;
1282 pfunc = getname6;
1283 break;
1284 #endif
1285 case AFNUM_802:
1286 if (len < 6)
1287 return NULL;
1288 pfunc = etheraddr_string;
1289 break;
1290 default:
1291 pfunc = NULL;
1292 break;
1293 }
1294
1295 if (!pfunc) {
1296 snprintf(buf, sizeof(buf), "AFI %s (%u), no AF printer !",
1297 tok2str(af_values, "Unknown", af), af);
1298 } else {
1299 snprintf(buf, sizeof(buf), "AFI %s (%u): %s",
1300 tok2str(af_values, "Unknown", af), af, (*pfunc)(tptr+1));
1301 }
1302
1303 return buf;
1304 }
1305
1306 static int
lldp_mgmt_addr_tlv_print(const u_char * pptr,u_int len)1307 lldp_mgmt_addr_tlv_print(const u_char *pptr, u_int len) {
1308
1309 u_int8_t mgmt_addr_len, intf_num_subtype, oid_len;
1310 const u_char *tptr;
1311 u_int tlen;
1312 char *mgmt_addr;
1313
1314 tlen = len;
1315 tptr = pptr;
1316
1317 if (tlen < 1) {
1318 return 0;
1319 }
1320 mgmt_addr_len = *tptr++;
1321 tlen--;
1322
1323 if (tlen < mgmt_addr_len) {
1324 return 0;
1325 }
1326
1327 mgmt_addr = lldp_network_addr_print(tptr, mgmt_addr_len);
1328 if (mgmt_addr == NULL) {
1329 return 0;
1330 }
1331 printf("\n\t Management Address length %u, %s",
1332 mgmt_addr_len, mgmt_addr);
1333 tptr += mgmt_addr_len;
1334 tlen -= mgmt_addr_len;
1335
1336 if (tlen < LLDP_INTF_NUM_LEN) {
1337 return 0;
1338 }
1339
1340 intf_num_subtype = *tptr;
1341 printf("\n\t %s Interface Numbering (%u): %u",
1342 tok2str(lldp_intf_numb_subtype_values, "Unknown", intf_num_subtype),
1343 intf_num_subtype,
1344 EXTRACT_32BITS(tptr+1));
1345
1346 tptr += LLDP_INTF_NUM_LEN;
1347 tlen -= LLDP_INTF_NUM_LEN;
1348
1349 /*
1350 * The OID is optional.
1351 */
1352 if (tlen) {
1353 oid_len = *tptr;
1354
1355 if (tlen < oid_len) {
1356 return 0;
1357 }
1358 if (oid_len) {
1359 printf("\n\t OID length %u", oid_len);
1360 safeputs((const char *)tptr+1, oid_len);
1361 }
1362 }
1363
1364 return 1;
1365 }
1366
1367 void
lldp_print(register const u_char * pptr,register u_int len)1368 lldp_print(register const u_char *pptr, register u_int len) {
1369
1370 u_int8_t subtype;
1371 u_int16_t tlv, cap, ena_cap;
1372 u_int oui, tlen, hexdump, tlv_type, tlv_len;
1373 const u_char *tptr;
1374 char *network_addr;
1375
1376 tptr = pptr;
1377 tlen = len;
1378
1379 printf("LLDP, length %u", len);
1380
1381 while (tlen >= sizeof(tlv)) {
1382
1383 TCHECK2(*tptr, sizeof(tlv));
1384
1385 tlv = EXTRACT_16BITS(tptr);
1386
1387 tlv_type = LLDP_EXTRACT_TYPE(tlv);
1388 tlv_len = LLDP_EXTRACT_LEN(tlv);
1389 hexdump = FALSE;
1390
1391 tlen -= sizeof(tlv);
1392 tptr += sizeof(tlv);
1393
1394 if (vflag) {
1395 printf("\n\t%s TLV (%u), length %u",
1396 tok2str(lldp_tlv_values, "Unknown", tlv_type),
1397 tlv_type, tlv_len);
1398 }
1399
1400 /* infinite loop check */
1401 if (!tlv_type || !tlv_len) {
1402 break;
1403 }
1404
1405 TCHECK2(*tptr, tlv_len);
1406 if (tlen < tlv_len) {
1407 goto trunc;
1408 }
1409
1410 switch (tlv_type) {
1411
1412 case LLDP_CHASSIS_ID_TLV:
1413 if (vflag) {
1414 if (tlv_len < 2) {
1415 goto trunc;
1416 }
1417 subtype = *tptr;
1418 printf("\n\t Subtype %s (%u): ",
1419 tok2str(lldp_chassis_subtype_values, "Unknown", subtype),
1420 subtype);
1421
1422 switch (subtype) {
1423 case LLDP_CHASSIS_MAC_ADDR_SUBTYPE:
1424 if (tlv_len < 1+6) {
1425 goto trunc;
1426 }
1427 printf("%s", etheraddr_string(tptr+1));
1428 break;
1429
1430 case LLDP_CHASSIS_INTF_NAME_SUBTYPE: /* fall through */
1431 case LLDP_CHASSIS_LOCAL_SUBTYPE:
1432 case LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE:
1433 case LLDP_CHASSIS_INTF_ALIAS_SUBTYPE:
1434 case LLDP_CHASSIS_PORT_COMP_SUBTYPE:
1435 safeputs((const char *)tptr+1, tlv_len-1);
1436 break;
1437
1438 case LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE:
1439 network_addr = lldp_network_addr_print(tptr+1, tlv_len-1);
1440 if (network_addr == NULL) {
1441 goto trunc;
1442 }
1443 printf("%s", network_addr);
1444 break;
1445
1446 default:
1447 hexdump = TRUE;
1448 break;
1449 }
1450 }
1451 break;
1452
1453 case LLDP_PORT_ID_TLV:
1454 if (vflag) {
1455 if (tlv_len < 2) {
1456 goto trunc;
1457 }
1458 subtype = *tptr;
1459 printf("\n\t Subtype %s (%u): ",
1460 tok2str(lldp_port_subtype_values, "Unknown", subtype),
1461 subtype);
1462
1463 switch (subtype) {
1464 case LLDP_PORT_MAC_ADDR_SUBTYPE:
1465 if (tlv_len < 1+6) {
1466 goto trunc;
1467 }
1468 printf("%s", etheraddr_string(tptr+1));
1469 break;
1470
1471 case LLDP_PORT_INTF_NAME_SUBTYPE: /* fall through */
1472 case LLDP_PORT_LOCAL_SUBTYPE:
1473 case LLDP_PORT_AGENT_CIRC_ID_SUBTYPE:
1474 case LLDP_PORT_INTF_ALIAS_SUBTYPE:
1475 case LLDP_PORT_PORT_COMP_SUBTYPE:
1476 safeputs((const char *)tptr+1, tlv_len-1);
1477 break;
1478
1479 case LLDP_PORT_NETWORK_ADDR_SUBTYPE:
1480 network_addr = lldp_network_addr_print(tptr+1, tlv_len-1);
1481 if (network_addr == NULL) {
1482 goto trunc;
1483 }
1484 printf("%s", network_addr);
1485 break;
1486
1487 default:
1488 hexdump = TRUE;
1489 break;
1490 }
1491 }
1492 break;
1493
1494 case LLDP_TTL_TLV:
1495 if (vflag) {
1496 if (tlv_len < 2) {
1497 goto trunc;
1498 }
1499 printf(": TTL %us", EXTRACT_16BITS(tptr));
1500 }
1501 break;
1502
1503 case LLDP_PORT_DESCR_TLV:
1504 if (vflag) {
1505 printf(": ");
1506 safeputs((const char *)tptr, tlv_len);
1507 }
1508 break;
1509
1510 case LLDP_SYSTEM_NAME_TLV:
1511 /*
1512 * The system name is also print in non-verbose mode
1513 * similar to the CDP printer.
1514 */
1515 printf(": ");
1516 safeputs((const char *)tptr, tlv_len);
1517 break;
1518
1519 case LLDP_SYSTEM_DESCR_TLV:
1520 if (vflag) {
1521 printf("\n\t ");
1522 safeputs((const char *)tptr, tlv_len);
1523 }
1524 break;
1525
1526 case LLDP_SYSTEM_CAP_TLV:
1527 if (vflag) {
1528 /*
1529 * XXX - IEEE Std 802.1AB-2009 says the first octet
1530 * if a chassis ID subtype, with the system
1531 * capabilities and enabled capabilities following
1532 * it.
1533 */
1534 if (tlv_len < 4) {
1535 goto trunc;
1536 }
1537 cap = EXTRACT_16BITS(tptr);
1538 ena_cap = EXTRACT_16BITS(tptr+2);
1539 printf("\n\t System Capabilities [%s] (0x%04x)",
1540 bittok2str(lldp_cap_values, "none", cap), cap);
1541 printf("\n\t Enabled Capabilities [%s] (0x%04x)",
1542 bittok2str(lldp_cap_values, "none", ena_cap), ena_cap);
1543 }
1544 break;
1545
1546 case LLDP_MGMT_ADDR_TLV:
1547 if (vflag) {
1548 if (!lldp_mgmt_addr_tlv_print(tptr, tlv_len)) {
1549 goto trunc;
1550 }
1551 }
1552 break;
1553
1554 case LLDP_PRIVATE_TLV:
1555 if (vflag) {
1556 if (tlv_len < 3) {
1557 goto trunc;
1558 }
1559 oui = EXTRACT_24BITS(tptr);
1560 printf(": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui);
1561
1562 switch (oui) {
1563 case OUI_IEEE_8021_PRIVATE:
1564 hexdump = lldp_private_8021_print(tptr, tlv_len);
1565 break;
1566 case OUI_IEEE_8023_PRIVATE:
1567 hexdump = lldp_private_8023_print(tptr, tlv_len);
1568 break;
1569 case OUI_TIA:
1570 hexdump = lldp_private_tia_print(tptr, tlv_len);
1571 break;
1572 case OUI_DCBX:
1573 hexdump = lldp_private_dcbx_print(tptr, tlv_len);
1574 break;
1575 default:
1576 hexdump = TRUE;
1577 break;
1578 }
1579 }
1580 break;
1581
1582 default:
1583 hexdump = TRUE;
1584 break;
1585 }
1586
1587 /* do we also want to see a hex dump ? */
1588 if (vflag > 1 || (vflag && hexdump)) {
1589 print_unknown_data(tptr,"\n\t ", tlv_len);
1590 }
1591
1592 tlen -= tlv_len;
1593 tptr += tlv_len;
1594 }
1595 return;
1596 trunc:
1597 printf("\n\t[|LLDP]");
1598 }
1599
1600 /*
1601 * Local Variables:
1602 * c-style: whitesmith
1603 * c-basic-offset: 4
1604 * End:
1605 */
1606