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