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 (at) juniper.net) 18 * IEEE and TIA extensions by Carles Kishimoto <carles.kishimoto (at) gmail.com> 19 * DCBX extensions by Kaladhar Musunuru <kaladharm (at) 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 8 610 611 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 } 619 620 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 } 627 628 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 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 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 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 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 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 * 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 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 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
