| /* | 
 |  * Copyright (c) 1998-2007 The TCPDUMP project | 
 |  * | 
 |  * Redistribution and use in source and binary forms, with or without | 
 |  * modification, are permitted provided that: (1) source code | 
 |  * distributions retain the above copyright notice and this paragraph | 
 |  * in its entirety, and (2) distributions including binary code include | 
 |  * the above copyright notice and this paragraph in its entirety in | 
 |  * the documentation or other materials provided with the distribution. | 
 |  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND | 
 |  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT | 
 |  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | 
 |  * FOR A PARTICULAR PURPOSE. | 
 |  * | 
 |  * support for the IEEE Link Discovery Protocol as per 802.1AB | 
 |  * | 
 |  * Original code by Hannes Gredler (hannes@juniper.net) | 
 |  * IEEE and TIA extensions by Carles Kishimoto <carles.kishimoto@gmail.com> | 
 |  * DCBX extensions by Kaladhar Musunuru <kaladharm@sourceforge.net> | 
 |  */ | 
 |  | 
 | #ifdef HAVE_CONFIG_H | 
 | #include "config.h" | 
 | #endif | 
 |  | 
 | #include <netdissect-stdinc.h> | 
 |  | 
 | #include <stdio.h> | 
 |  | 
 | #include "netdissect.h" | 
 | #include "extract.h" | 
 | #include "addrtoname.h" | 
 | #include "af.h" | 
 | #include "oui.h" | 
 |  | 
 | #define	LLDP_EXTRACT_TYPE(x) (((x)&0xfe00)>>9) | 
 | #define	LLDP_EXTRACT_LEN(x) ((x)&0x01ff) | 
 |  | 
 | /* | 
 |  * TLV type codes | 
 |  */ | 
 | #define LLDP_END_TLV             0 | 
 | #define LLDP_CHASSIS_ID_TLV      1 | 
 | #define LLDP_PORT_ID_TLV         2 | 
 | #define LLDP_TTL_TLV             3 | 
 | #define LLDP_PORT_DESCR_TLV      4 | 
 | #define LLDP_SYSTEM_NAME_TLV     5 | 
 | #define LLDP_SYSTEM_DESCR_TLV    6 | 
 | #define LLDP_SYSTEM_CAP_TLV      7 | 
 | #define LLDP_MGMT_ADDR_TLV       8 | 
 | #define LLDP_PRIVATE_TLV       127 | 
 |  | 
 | static const struct tok lldp_tlv_values[] = { | 
 |     { LLDP_END_TLV, "End" }, | 
 |     { LLDP_CHASSIS_ID_TLV, "Chassis ID" }, | 
 |     { LLDP_PORT_ID_TLV, "Port ID" }, | 
 |     { LLDP_TTL_TLV, "Time to Live" }, | 
 |     { LLDP_PORT_DESCR_TLV, "Port Description" }, | 
 |     { LLDP_SYSTEM_NAME_TLV, "System Name" }, | 
 |     { LLDP_SYSTEM_DESCR_TLV, "System Description" }, | 
 |     { LLDP_SYSTEM_CAP_TLV, "System Capabilities" }, | 
 |     { LLDP_MGMT_ADDR_TLV, "Management Address" }, | 
 |     { LLDP_PRIVATE_TLV, "Organization specific" }, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* | 
 |  * Chassis ID subtypes | 
 |  */ | 
 | #define LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE  1 | 
 | #define LLDP_CHASSIS_INTF_ALIAS_SUBTYPE    2 | 
 | #define LLDP_CHASSIS_PORT_COMP_SUBTYPE     3 | 
 | #define LLDP_CHASSIS_MAC_ADDR_SUBTYPE      4 | 
 | #define LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE  5 | 
 | #define LLDP_CHASSIS_INTF_NAME_SUBTYPE     6 | 
 | #define LLDP_CHASSIS_LOCAL_SUBTYPE         7 | 
 |  | 
 | static const struct tok lldp_chassis_subtype_values[] = { | 
 |     { LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE, "Chassis component"}, | 
 |     { LLDP_CHASSIS_INTF_ALIAS_SUBTYPE, "Interface alias"}, | 
 |     { LLDP_CHASSIS_PORT_COMP_SUBTYPE, "Port component"}, | 
 |     { LLDP_CHASSIS_MAC_ADDR_SUBTYPE, "MAC address"}, | 
 |     { LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE, "Network address"}, | 
 |     { LLDP_CHASSIS_INTF_NAME_SUBTYPE, "Interface name"}, | 
 |     { LLDP_CHASSIS_LOCAL_SUBTYPE, "Local"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* | 
 |  * Port ID subtypes | 
 |  */ | 
 | #define LLDP_PORT_INTF_ALIAS_SUBTYPE       1 | 
 | #define LLDP_PORT_PORT_COMP_SUBTYPE        2 | 
 | #define LLDP_PORT_MAC_ADDR_SUBTYPE         3 | 
 | #define LLDP_PORT_NETWORK_ADDR_SUBTYPE     4 | 
 | #define LLDP_PORT_INTF_NAME_SUBTYPE        5 | 
 | #define LLDP_PORT_AGENT_CIRC_ID_SUBTYPE    6 | 
 | #define LLDP_PORT_LOCAL_SUBTYPE            7 | 
 |  | 
 | static const struct tok lldp_port_subtype_values[] = { | 
 |     { LLDP_PORT_INTF_ALIAS_SUBTYPE, "Interface alias"}, | 
 |     { LLDP_PORT_PORT_COMP_SUBTYPE, "Port component"}, | 
 |     { LLDP_PORT_MAC_ADDR_SUBTYPE, "MAC address"}, | 
 |     { LLDP_PORT_NETWORK_ADDR_SUBTYPE, "Network Address"}, | 
 |     { LLDP_PORT_INTF_NAME_SUBTYPE, "Interface Name"}, | 
 |     { LLDP_PORT_AGENT_CIRC_ID_SUBTYPE, "Agent circuit ID"}, | 
 |     { LLDP_PORT_LOCAL_SUBTYPE, "Local"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* | 
 |  * System Capabilities | 
 |  */ | 
 | #define LLDP_CAP_OTHER              (1 <<  0) | 
 | #define LLDP_CAP_REPEATER           (1 <<  1) | 
 | #define LLDP_CAP_BRIDGE             (1 <<  2) | 
 | #define LLDP_CAP_WLAN_AP            (1 <<  3) | 
 | #define LLDP_CAP_ROUTER             (1 <<  4) | 
 | #define LLDP_CAP_PHONE              (1 <<  5) | 
 | #define LLDP_CAP_DOCSIS             (1 <<  6) | 
 | #define LLDP_CAP_STATION_ONLY       (1 <<  7) | 
 |  | 
 | static const struct tok lldp_cap_values[] = { | 
 |     { LLDP_CAP_OTHER, "Other"}, | 
 |     { LLDP_CAP_REPEATER, "Repeater"}, | 
 |     { LLDP_CAP_BRIDGE, "Bridge"}, | 
 |     { LLDP_CAP_WLAN_AP, "WLAN AP"}, | 
 |     { LLDP_CAP_ROUTER, "Router"}, | 
 |     { LLDP_CAP_PHONE, "Telephone"}, | 
 |     { LLDP_CAP_DOCSIS, "Docsis"}, | 
 |     { LLDP_CAP_STATION_ONLY, "Station Only"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID		1 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID	2 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME		3 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY	4 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION 8 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION       9 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION     10 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION      11 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY   12 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_EVB                    13 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_CDCP 			 14 | 
 |  | 
 | static const struct tok lldp_8021_subtype_values[] = { | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID, "Port VLAN Id"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID, "Port and Protocol VLAN ID"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME, "VLAN name"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY, "Protocol Identity"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION, "Congestion Notification"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION, "ETS Configuration"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION, "ETS Recommendation"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION, "Priority Flow Control Configuration"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY, "Application Priority"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_EVB, "EVB"}, | 
 |     { LLDP_PRIVATE_8021_SUBTYPE_CDCP,"CDCP"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT       (1 <<  1) | 
 | #define LLDP_8021_PORT_PROTOCOL_VLAN_STATUS        (1 <<  2) | 
 |  | 
 | static const struct tok lldp_8021_port_protocol_id_values[] = { | 
 |     { LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT, "supported"}, | 
 |     { LLDP_8021_PORT_PROTOCOL_VLAN_STATUS, "enabled"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_PRIVATE_8023_SUBTYPE_MACPHY        1 | 
 | #define LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER      2 | 
 | #define LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR      3 | 
 | #define LLDP_PRIVATE_8023_SUBTYPE_MTU           4 | 
 |  | 
 | static const struct tok lldp_8023_subtype_values[] = { | 
 |     { LLDP_PRIVATE_8023_SUBTYPE_MACPHY,	"MAC/PHY configuration/status"}, | 
 |     { LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER, "Power via MDI"}, | 
 |     { LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR, "Link aggregation"}, | 
 |     { LLDP_PRIVATE_8023_SUBTYPE_MTU, "Max frame size"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES                   1 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY                 2 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID                       3 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI             4 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV         5 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV         6 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV         7 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER        8 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME    9 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME           10 | 
 | #define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID             11 | 
 |  | 
 | static const struct tok lldp_tia_subtype_values[] = { | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES, "LLDP-MED Capabilities" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY, "Network policy" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID, "Location identification" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI, "Extended power-via-MDI" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Inventory - hardware revision" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Inventory - firmware revision" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Inventory - software revision" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Inventory - serial number" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Inventory - manufacturer name" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Inventory - model name" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Inventory - asset ID" }, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS       1 | 
 | #define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS       2 | 
 |  | 
 | static const struct tok lldp_tia_location_altitude_type_values[] = { | 
 |     { LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS, "meters"}, | 
 |     { LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS, "floors"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* ANSI/TIA-1057 - Annex B */ | 
 | #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1		1 | 
 | #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2		2 | 
 | #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3		3 | 
 | #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4		4 | 
 | #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5		5 | 
 | #define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6		6 | 
 |  | 
 | static const struct tok lldp_tia_location_lci_catype_values[] = { | 
 |     { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1, "national subdivisions (state,canton,region,province,prefecture)"}, | 
 |     { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2, "county, parish, gun, district"}, | 
 |     { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3, "city, township, shi"}, | 
 |     { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4, "city division, borough, city district, ward chou"}, | 
 |     { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5, "neighborhood, block"}, | 
 |     { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6, "street"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | static const struct tok lldp_tia_location_lci_what_values[] = { | 
 |     { 0, "location of DHCP server"}, | 
 |     { 1, "location of the network element believed to be closest to the client"}, | 
 |     { 2, "location of the client"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* | 
 |  * From RFC 3636 - dot3MauType | 
 |  */ | 
 | #define		LLDP_MAU_TYPE_UNKNOWN		0 | 
 | #define		LLDP_MAU_TYPE_AUI		1 | 
 | #define		LLDP_MAU_TYPE_10BASE_5		2 | 
 | #define		LLDP_MAU_TYPE_FOIRL		3 | 
 | #define		LLDP_MAU_TYPE_10BASE_2		4 | 
 | #define		LLDP_MAU_TYPE_10BASE_T		5 | 
 | #define		LLDP_MAU_TYPE_10BASE_FP		6 | 
 | #define		LLDP_MAU_TYPE_10BASE_FB		7 | 
 | #define		LLDP_MAU_TYPE_10BASE_FL		8 | 
 | #define		LLDP_MAU_TYPE_10BROAD36		9 | 
 | #define		LLDP_MAU_TYPE_10BASE_T_HD	10 | 
 | #define		LLDP_MAU_TYPE_10BASE_T_FD	11 | 
 | #define		LLDP_MAU_TYPE_10BASE_FL_HD	12 | 
 | #define		LLDP_MAU_TYPE_10BASE_FL_FD	13 | 
 | #define		LLDP_MAU_TYPE_100BASE_T4	14 | 
 | #define		LLDP_MAU_TYPE_100BASE_TX_HD	15 | 
 | #define		LLDP_MAU_TYPE_100BASE_TX_FD	16 | 
 | #define		LLDP_MAU_TYPE_100BASE_FX_HD	17 | 
 | #define		LLDP_MAU_TYPE_100BASE_FX_FD	18 | 
 | #define		LLDP_MAU_TYPE_100BASE_T2_HD	19 | 
 | #define		LLDP_MAU_TYPE_100BASE_T2_FD	20 | 
 | #define		LLDP_MAU_TYPE_1000BASE_X_HD	21 | 
 | #define		LLDP_MAU_TYPE_1000BASE_X_FD	22 | 
 | #define		LLDP_MAU_TYPE_1000BASE_LX_HD	23 | 
 | #define		LLDP_MAU_TYPE_1000BASE_LX_FD	24 | 
 | #define		LLDP_MAU_TYPE_1000BASE_SX_HD	25 | 
 | #define		LLDP_MAU_TYPE_1000BASE_SX_FD	26 | 
 | #define		LLDP_MAU_TYPE_1000BASE_CX_HD	27 | 
 | #define		LLDP_MAU_TYPE_1000BASE_CX_FD	28 | 
 | #define		LLDP_MAU_TYPE_1000BASE_T_HD	29 | 
 | #define		LLDP_MAU_TYPE_1000BASE_T_FD	30 | 
 | #define		LLDP_MAU_TYPE_10GBASE_X		31 | 
 | #define		LLDP_MAU_TYPE_10GBASE_LX4	32 | 
 | #define		LLDP_MAU_TYPE_10GBASE_R		33 | 
 | #define		LLDP_MAU_TYPE_10GBASE_ER	34 | 
 | #define		LLDP_MAU_TYPE_10GBASE_LR	35 | 
 | #define		LLDP_MAU_TYPE_10GBASE_SR	36 | 
 | #define		LLDP_MAU_TYPE_10GBASE_W		37 | 
 | #define		LLDP_MAU_TYPE_10GBASE_EW	38 | 
 | #define		LLDP_MAU_TYPE_10GBASE_LW	39 | 
 | #define		LLDP_MAU_TYPE_10GBASE_SW	40 | 
 |  | 
 | static const struct tok lldp_mau_types_values[] = { | 
 |     { LLDP_MAU_TYPE_UNKNOWN,            "Unknown"}, | 
 |     { LLDP_MAU_TYPE_AUI,                "AUI"}, | 
 |     { LLDP_MAU_TYPE_10BASE_5,           "10BASE_5"}, | 
 |     { LLDP_MAU_TYPE_FOIRL,              "FOIRL"}, | 
 |     { LLDP_MAU_TYPE_10BASE_2,           "10BASE2"}, | 
 |     { LLDP_MAU_TYPE_10BASE_T,           "10BASET duplex mode unknown"}, | 
 |     { LLDP_MAU_TYPE_10BASE_FP,          "10BASEFP"}, | 
 |     { LLDP_MAU_TYPE_10BASE_FB,          "10BASEFB"}, | 
 |     { LLDP_MAU_TYPE_10BASE_FL,          "10BASEFL duplex mode unknown"}, | 
 |     { LLDP_MAU_TYPE_10BROAD36,          "10BROAD36"}, | 
 |     { LLDP_MAU_TYPE_10BASE_T_HD,        "10BASET hdx"}, | 
 |     { LLDP_MAU_TYPE_10BASE_T_FD,        "10BASET fdx"}, | 
 |     { LLDP_MAU_TYPE_10BASE_FL_HD,       "10BASEFL hdx"}, | 
 |     { LLDP_MAU_TYPE_10BASE_FL_FD,       "10BASEFL fdx"}, | 
 |     { LLDP_MAU_TYPE_100BASE_T4,         "100BASET4"}, | 
 |     { LLDP_MAU_TYPE_100BASE_TX_HD,      "100BASETX hdx"}, | 
 |     { LLDP_MAU_TYPE_100BASE_TX_FD,      "100BASETX fdx"}, | 
 |     { LLDP_MAU_TYPE_100BASE_FX_HD,      "100BASEFX hdx"}, | 
 |     { LLDP_MAU_TYPE_100BASE_FX_FD,      "100BASEFX fdx"}, | 
 |     { LLDP_MAU_TYPE_100BASE_T2_HD,      "100BASET2 hdx"}, | 
 |     { LLDP_MAU_TYPE_100BASE_T2_FD,      "100BASET2 fdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_X_HD,      "1000BASEX hdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_X_FD,      "1000BASEX fdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_LX_HD,     "1000BASELX hdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_LX_FD,     "1000BASELX fdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_SX_HD,     "1000BASESX hdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_SX_FD,     "1000BASESX fdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_CX_HD,     "1000BASECX hdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_CX_FD,     "1000BASECX fdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_T_HD,      "1000BASET hdx"}, | 
 |     { LLDP_MAU_TYPE_1000BASE_T_FD,      "1000BASET fdx"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_X,          "10GBASEX"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_LX4,        "10GBASELX4"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_R,          "10GBASER"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_ER,         "10GBASEER"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_LR,         "10GBASELR"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_SR,         "10GBASESR"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_W,          "10GBASEW"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_EW,         "10GBASEEW"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_LW,         "10GBASELW"}, | 
 |     { LLDP_MAU_TYPE_10GBASE_SW,         "10GBASESW"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_8023_AUTONEGOTIATION_SUPPORT       (1 <<  0) | 
 | #define LLDP_8023_AUTONEGOTIATION_STATUS        (1 <<  1) | 
 |  | 
 | static const struct tok lldp_8023_autonegotiation_values[] = { | 
 |     { LLDP_8023_AUTONEGOTIATION_SUPPORT, "supported"}, | 
 |     { LLDP_8023_AUTONEGOTIATION_STATUS, "enabled"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_CAPABILITY_MED                         (1 <<  0) | 
 | #define LLDP_TIA_CAPABILITY_NETWORK_POLICY              (1 <<  1) | 
 | #define LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION     (1 <<  2) | 
 | #define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE      (1 <<  3) | 
 | #define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD       (1 <<  4) | 
 | #define LLDP_TIA_CAPABILITY_INVENTORY                   (1 <<  5) | 
 |  | 
 | static const struct tok lldp_tia_capabilities_values[] = { | 
 |     { LLDP_TIA_CAPABILITY_MED, "LLDP-MED capabilities"}, | 
 |     { LLDP_TIA_CAPABILITY_NETWORK_POLICY, "network policy"}, | 
 |     { LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION, "location identification"}, | 
 |     { LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE, "extended power via MDI-PSE"}, | 
 |     { LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD, "extended power via MDI-PD"}, | 
 |     { LLDP_TIA_CAPABILITY_INVENTORY, "Inventory"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1           1 | 
 | #define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2           2 | 
 | #define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3           3 | 
 | #define LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY       4 | 
 |  | 
 | static const struct tok lldp_tia_device_type_values[] = { | 
 |     { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1, "endpoint class 1"}, | 
 |     { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2, "endpoint class 2"}, | 
 |     { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3, "endpoint class 3"}, | 
 |     { LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY, "network connectivity"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_APPLICATION_TYPE_VOICE                 1 | 
 | #define LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING       2 | 
 | #define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE           3 | 
 | #define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING 4 | 
 | #define LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE       5 | 
 | #define LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING    6 | 
 | #define LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO       7 | 
 | #define LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING       8 | 
 |  | 
 | static const struct tok lldp_tia_application_type_values[] = { | 
 |     { LLDP_TIA_APPLICATION_TYPE_VOICE, "voice"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING, "voice signaling"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE, "guest voice"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING, "guest voice signaling"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE, "softphone voice"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING, "video conferencing"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO, "streaming video"}, | 
 |     { LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING, "video signaling"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_NETWORK_POLICY_X_BIT           (1 << 5) | 
 | #define LLDP_TIA_NETWORK_POLICY_T_BIT           (1 << 6) | 
 | #define LLDP_TIA_NETWORK_POLICY_U_BIT           (1 << 7) | 
 |  | 
 | static const struct tok lldp_tia_network_policy_bits_values[] = { | 
 |     { LLDP_TIA_NETWORK_POLICY_U_BIT, "Unknown"}, | 
 |     { LLDP_TIA_NETWORK_POLICY_T_BIT, "Tagged"}, | 
 |     { LLDP_TIA_NETWORK_POLICY_X_BIT, "reserved"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_EXTRACT_NETWORK_POLICY_VLAN(x)           (((x)&0x1ffe)>>1) | 
 | #define LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(x)    (((x)&0x01ff)>>6) | 
 | #define LLDP_EXTRACT_NETWORK_POLICY_DSCP(x)           ((x)&0x003f) | 
 |  | 
 | #define LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED  1 | 
 | #define LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS     2 | 
 | #define LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN          3 | 
 |  | 
 | static const struct tok lldp_tia_location_data_format_values[] = { | 
 |     { LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED, "coordinate-based LCI"}, | 
 |     { LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS, "civic address LCI"}, | 
 |     { LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN, "ECS ELIN"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_LOCATION_DATUM_WGS_84          1 | 
 | #define LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88  2 | 
 | #define LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW     3 | 
 |  | 
 | static const struct tok lldp_tia_location_datum_type_values[] = { | 
 |     { LLDP_TIA_LOCATION_DATUM_WGS_84, "World Geodesic System 1984"}, | 
 |     { LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88, "North American Datum 1983 (NAVD88)"}, | 
 |     { LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW, "North American Datum 1983 (MLLW)"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_POWER_SOURCE_PSE               1 | 
 | #define LLDP_TIA_POWER_SOURCE_LOCAL             2 | 
 | #define LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL     3 | 
 |  | 
 | static const struct tok lldp_tia_power_source_values[] = { | 
 |     { LLDP_TIA_POWER_SOURCE_PSE, "PSE - primary power source"}, | 
 |     { LLDP_TIA_POWER_SOURCE_LOCAL, "local - backup power source"}, | 
 |     { LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL, "PSE+local - reserved"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_POWER_PRIORITY_CRITICAL        1 | 
 | #define LLDP_TIA_POWER_PRIORITY_HIGH            2 | 
 | #define LLDP_TIA_POWER_PRIORITY_LOW             3 | 
 |  | 
 | static const struct tok lldp_tia_power_priority_values[] = { | 
 |     { LLDP_TIA_POWER_PRIORITY_CRITICAL, "critical"}, | 
 |     { LLDP_TIA_POWER_PRIORITY_HIGH, "high"}, | 
 |     { LLDP_TIA_POWER_PRIORITY_LOW, "low"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_TIA_POWER_VAL_MAX               1024 | 
 |  | 
 | static const struct tok lldp_tia_inventory_values[] = { | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Hardware revision" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Firmware revision" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Software revision" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Serial number" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Manufacturer name" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Model name" }, | 
 |     { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Asset ID" }, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* | 
 |  * From RFC 3636 - ifMauAutoNegCapAdvertisedBits | 
 |  */ | 
 | #define	 LLDP_MAU_PMD_OTHER			(1 <<  15) | 
 | #define	 LLDP_MAU_PMD_10BASE_T			(1 <<  14) | 
 | #define	 LLDP_MAU_PMD_10BASE_T_FD		(1 <<  13) | 
 | #define	 LLDP_MAU_PMD_100BASE_T4		(1 <<  12) | 
 | #define	 LLDP_MAU_PMD_100BASE_TX		(1 <<  11) | 
 | #define	 LLDP_MAU_PMD_100BASE_TX_FD		(1 <<  10) | 
 | #define	 LLDP_MAU_PMD_100BASE_T2		(1 <<  9) | 
 | #define	 LLDP_MAU_PMD_100BASE_T2_FD		(1 <<  8) | 
 | #define	 LLDP_MAU_PMD_FDXPAUSE			(1 <<  7) | 
 | #define	 LLDP_MAU_PMD_FDXAPAUSE			(1 <<  6) | 
 | #define	 LLDP_MAU_PMD_FDXSPAUSE			(1 <<  5) | 
 | #define	 LLDP_MAU_PMD_FDXBPAUSE			(1 <<  4) | 
 | #define	 LLDP_MAU_PMD_1000BASE_X		(1 <<  3) | 
 | #define	 LLDP_MAU_PMD_1000BASE_X_FD		(1 <<  2) | 
 | #define	 LLDP_MAU_PMD_1000BASE_T		(1 <<  1) | 
 | #define	 LLDP_MAU_PMD_1000BASE_T_FD		(1 <<  0) | 
 |  | 
 | static const struct tok lldp_pmd_capability_values[] = { | 
 |     { LLDP_MAU_PMD_10BASE_T,		"10BASE-T hdx"}, | 
 |     { LLDP_MAU_PMD_10BASE_T_FD,	        "10BASE-T fdx"}, | 
 |     { LLDP_MAU_PMD_100BASE_T4,		"100BASE-T4"}, | 
 |     { LLDP_MAU_PMD_100BASE_TX,		"100BASE-TX hdx"}, | 
 |     { LLDP_MAU_PMD_100BASE_TX_FD,	"100BASE-TX fdx"}, | 
 |     { LLDP_MAU_PMD_100BASE_T2,		"100BASE-T2 hdx"}, | 
 |     { LLDP_MAU_PMD_100BASE_T2_FD,	"100BASE-T2 fdx"}, | 
 |     { LLDP_MAU_PMD_FDXPAUSE,		"Pause for fdx links"}, | 
 |     { LLDP_MAU_PMD_FDXAPAUSE,		"Asym PAUSE for fdx"}, | 
 |     { LLDP_MAU_PMD_FDXSPAUSE,		"Sym PAUSE for fdx"}, | 
 |     { LLDP_MAU_PMD_FDXBPAUSE,		"Asym and Sym PAUSE for fdx"}, | 
 |     { LLDP_MAU_PMD_1000BASE_X,		"1000BASE-{X LX SX CX} hdx"}, | 
 |     { LLDP_MAU_PMD_1000BASE_X_FD,	"1000BASE-{X LX SX CX} fdx"}, | 
 |     { LLDP_MAU_PMD_1000BASE_T,		"1000BASE-T hdx"}, | 
 |     { LLDP_MAU_PMD_1000BASE_T_FD,	"1000BASE-T fdx"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define	LLDP_MDI_PORT_CLASS			(1 <<  0) | 
 | #define	LLDP_MDI_POWER_SUPPORT			(1 <<  1) | 
 | #define LLDP_MDI_POWER_STATE			(1 <<  2) | 
 | #define LLDP_MDI_PAIR_CONTROL_ABILITY		(1 <<  3) | 
 |  | 
 | static const struct tok lldp_mdi_values[] = { | 
 |     { LLDP_MDI_PORT_CLASS, 		"PSE"}, | 
 |     { LLDP_MDI_POWER_SUPPORT, 		"supported"}, | 
 |     { LLDP_MDI_POWER_STATE, 		"enabled"}, | 
 |     { LLDP_MDI_PAIR_CONTROL_ABILITY, 	"can be controlled"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_MDI_PSE_PORT_POWER_PAIRS_SIGNAL	1 | 
 | #define LLDP_MDI_PSE_PORT_POWER_PAIRS_SPARE	2 | 
 |  | 
 | static const struct tok lldp_mdi_power_pairs_values[] = { | 
 |     { LLDP_MDI_PSE_PORT_POWER_PAIRS_SIGNAL,	"signal"}, | 
 |     { LLDP_MDI_PSE_PORT_POWER_PAIRS_SPARE,	"spare"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_MDI_POWER_CLASS0		1 | 
 | #define LLDP_MDI_POWER_CLASS1		2 | 
 | #define LLDP_MDI_POWER_CLASS2		3 | 
 | #define LLDP_MDI_POWER_CLASS3		4 | 
 | #define LLDP_MDI_POWER_CLASS4		5 | 
 |  | 
 | static const struct tok lldp_mdi_power_class_values[] = { | 
 |     { LLDP_MDI_POWER_CLASS0,     "class0"}, | 
 |     { LLDP_MDI_POWER_CLASS1,     "class1"}, | 
 |     { LLDP_MDI_POWER_CLASS2,     "class2"}, | 
 |     { LLDP_MDI_POWER_CLASS3,     "class3"}, | 
 |     { LLDP_MDI_POWER_CLASS4,     "class4"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_AGGREGATION_CAPABILTIY     (1 <<  0) | 
 | #define LLDP_AGGREGATION_STATUS         (1 <<  1) | 
 |  | 
 | static const struct tok lldp_aggregation_values[] = { | 
 |     { LLDP_AGGREGATION_CAPABILTIY, "supported"}, | 
 |     { LLDP_AGGREGATION_STATUS, "enabled"}, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | /* | 
 |  * DCBX protocol subtypes. | 
 |  */ | 
 | #define LLDP_DCBX_SUBTYPE_1                1 | 
 | #define LLDP_DCBX_SUBTYPE_2                2 | 
 |  | 
 | static const struct tok lldp_dcbx_subtype_values[] = { | 
 |     { LLDP_DCBX_SUBTYPE_1, "DCB Capability Exchange Protocol Rev 1" }, | 
 |     { LLDP_DCBX_SUBTYPE_2, "DCB Capability Exchange Protocol Rev 1.01" }, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_DCBX_CONTROL_TLV                1 | 
 | #define LLDP_DCBX_PRIORITY_GROUPS_TLV        2 | 
 | #define LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV  3 | 
 | #define LLDP_DCBX_APPLICATION_TLV            4 | 
 |  | 
 | /* | 
 |  * Interface numbering subtypes. | 
 |  */ | 
 | #define LLDP_INTF_NUMB_IFX_SUBTYPE         2 | 
 | #define LLDP_INTF_NUMB_SYSPORT_SUBTYPE     3 | 
 |  | 
 | static const struct tok lldp_intf_numb_subtype_values[] = { | 
 |     { LLDP_INTF_NUMB_IFX_SUBTYPE, "Interface Index" }, | 
 |     { LLDP_INTF_NUMB_SYSPORT_SUBTYPE, "System Port Number" }, | 
 |     { 0, NULL} | 
 | }; | 
 |  | 
 | #define LLDP_INTF_NUM_LEN                  5 | 
 |  | 
 | #define LLDP_EVB_MODE_NOT_SUPPORTED	0 | 
 | #define LLDP_EVB_MODE_EVB_BRIDGE	1 | 
 | #define LLDP_EVB_MODE_EVB_STATION	2 | 
 | #define LLDP_EVB_MODE_RESERVED		3 | 
 |  | 
 | static const struct tok lldp_evb_mode_values[]={ | 
 |     { LLDP_EVB_MODE_NOT_SUPPORTED, "Not Supported"}, | 
 |     { LLDP_EVB_MODE_EVB_BRIDGE, "EVB Bridge"}, | 
 |     { LLDP_EVB_MODE_EVB_STATION, "EVB Staion"}, | 
 |     { LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"}, | 
 | }; | 
 |  | 
 | #define NO_OF_BITS 8 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH  6 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH       25 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH      25 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH        6 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH 5 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH                      9 | 
 | #define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH                 8 | 
 |  | 
 | static void | 
 | print_ets_priority_assignment_table(netdissect_options *ndo, | 
 |                                     const u_char *ptr) | 
 | { | 
 |     ND_PRINT((ndo, "\n\t    Priority Assignment Table")); | 
 |     ND_PRINT((ndo, "\n\t     Priority : 0   1   2   3   4   5   6   7")); | 
 |     ND_PRINT((ndo, "\n\t     Value    : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d", | 
 |             ptr[0]>>4,ptr[0]&0x0f,ptr[1]>>4,ptr[1]&0x0f,ptr[2]>>4, | 
 |             ptr[2] & 0x0f, ptr[3] >> 4, ptr[3] & 0x0f)); | 
 | } | 
 |  | 
 | static void | 
 | print_tc_bandwidth_table(netdissect_options *ndo, | 
 |                          const u_char *ptr) | 
 | { | 
 |     ND_PRINT((ndo, "\n\t    TC Bandwidth Table")); | 
 |     ND_PRINT((ndo, "\n\t     TC%%   : 0   1   2   3   4   5   6   7")); | 
 |     ND_PRINT((ndo, "\n\t     Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d", | 
 |              ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7])); | 
 | } | 
 |  | 
 | static void | 
 | print_tsa_assignment_table(netdissect_options *ndo, | 
 |                            const u_char *ptr) | 
 | { | 
 |     ND_PRINT((ndo, "\n\t    TSA Assignment Table")); | 
 |     ND_PRINT((ndo, "\n\t     Traffic Class: 0   1   2   3   4   5   6   7")); | 
 |     ND_PRINT((ndo, "\n\t     Value        : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d", | 
 |              ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7])); | 
 | } | 
 |  | 
 | /* | 
 |  * Print IEEE 802.1 private extensions. (802.1AB annex E) | 
 |  */ | 
 | static int | 
 | lldp_private_8021_print(netdissect_options *ndo, | 
 |                         const u_char *tptr, u_int tlv_len) | 
 | { | 
 |     int subtype, hexdump = FALSE; | 
 |     u_int sublen; | 
 |     u_int tval; | 
 |     uint8_t i; | 
 |  | 
 |     if (tlv_len < 4) { | 
 |         return hexdump; | 
 |     } | 
 |     subtype = *(tptr+3); | 
 |  | 
 |     ND_PRINT((ndo, "\n\t  %s Subtype (%u)", | 
 |            tok2str(lldp_8021_subtype_values, "unknown", subtype), | 
 |            subtype)); | 
 |  | 
 |     switch (subtype) { | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID: | 
 |         if (tlv_len < 6) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    port vlan id (PVID): %u", | 
 |                EXTRACT_16BITS(tptr + 4))); | 
 |         break; | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID: | 
 |         if (tlv_len < 7) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)", | 
 |                EXTRACT_16BITS(tptr+5), | 
 | 	       bittok2str(lldp_8021_port_protocol_id_values, "none", *(tptr+4)), | 
 | 	       *(tptr + 4))); | 
 |         break; | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME: | 
 |         if (tlv_len < 6) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    vlan id (VID): %u", EXTRACT_16BITS(tptr + 4))); | 
 |         if (tlv_len < 7) { | 
 |             return hexdump; | 
 |         } | 
 |         sublen = *(tptr+6); | 
 |         if (tlv_len < 7+sublen) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    vlan name: ")); | 
 |         safeputs(ndo, tptr + 7, sublen); | 
 |         break; | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY: | 
 |         if (tlv_len < 5) { | 
 |             return hexdump; | 
 |         } | 
 |         sublen = *(tptr+4); | 
 |         if (tlv_len < 5+sublen) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    protocol identity: ")); | 
 |         safeputs(ndo, tptr + 5, sublen); | 
 |         break; | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){ | 
 |         	return hexdump; | 
 |         } | 
 |         tval=*(tptr+4); | 
 |         ND_PRINT((ndo, "\n\t    Pre-Priority CNPV Indicator")); | 
 |         ND_PRINT((ndo, "\n\t     Priority : 0  1  2  3  4  5  6  7")); | 
 |         ND_PRINT((ndo, "\n\t     Value    : ")); | 
 |         for(i=0;i<NO_OF_BITS;i++) | 
 |             ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01)); | 
 |         tval=*(tptr+5); | 
 |         ND_PRINT((ndo, "\n\t    Pre-Priority Ready Indicator")); | 
 |         ND_PRINT((ndo, "\n\t     Priority : 0  1  2  3  4  5  6  7")); | 
 |         ND_PRINT((ndo, "\n\t     Value    : ")); | 
 |         for(i=0;i<NO_OF_BITS;i++) | 
 |             ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01)); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH) { | 
 |             return hexdump; | 
 |         } | 
 |         tval=*(tptr+4); | 
 |         ND_PRINT((ndo, "\n\t    Willing:%d, CBS:%d, RES:%d, Max TCs:%d", | 
 |         	tval >> 7, (tval >> 6) & 0x02, (tval >> 3) & 0x07, tval & 0x07)); | 
 |  | 
 |         /*Print Priority Assignment Table*/ | 
 |         print_ets_priority_assignment_table(ndo, tptr + 5); | 
 |  | 
 |         /*Print TC Bandwidth Table*/ | 
 |         print_tc_bandwidth_table(ndo, tptr + 9); | 
 |  | 
 |         /* Print TSA Assignment Table */ | 
 |         print_tsa_assignment_table(ndo, tptr + 17); | 
 |  | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH) { | 
 |         	return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    RES: %d", *(tptr + 4))); | 
 |         /*Print Priority Assignment Table */ | 
 |         print_ets_priority_assignment_table(ndo, tptr + 5); | 
 |         /*Print TC Bandwidth Table */ | 
 |         print_tc_bandwidth_table(ndo, tptr + 9); | 
 |         /* Print TSA Assignment Table */ | 
 |         print_tsa_assignment_table(ndo, tptr + 17); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH) { | 
 |             return hexdump; | 
 |         } | 
 |         tval=*(tptr+4); | 
 |         ND_PRINT((ndo, "\n\t    Willing: %d, MBC: %d, RES: %d, PFC cap:%d ", | 
 |         	tval >> 7, (tval >> 6) & 0x01, (tval >> 4) & 0x03, (tval & 0x0f))); | 
 |         ND_PRINT((ndo, "\n\t    PFC Enable")); | 
 |         tval=*(tptr+5); | 
 |         ND_PRINT((ndo, "\n\t     Priority : 0  1  2  3  4  5  6  7")); | 
 |         ND_PRINT((ndo, "\n\t     Value    : ")); | 
 |         for(i=0;i<NO_OF_BITS;i++) | 
 |             ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01)); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    RES: %d", *(tptr + 4))); | 
 |         if(tlv_len<=LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH){ | 
 |         	return hexdump; | 
 |         } | 
 |         /*  Length of Application Priority Table */ | 
 |         sublen=tlv_len-5; | 
 |         if(sublen%3!=0){ | 
 |         	return hexdump; | 
 |         } | 
 |         i=0; | 
 |         ND_PRINT((ndo, "\n\t    Application Priority Table")); | 
 |         while(i<sublen) { | 
 |         	tval=*(tptr+i+5); | 
 |         	ND_PRINT((ndo, "\n\t      Priority: %d, RES: %d, Sel: %d", | 
 |         		 tval >> 5, (tval >> 3) & 0x03, (tval & 0x07))); | 
 |         	ND_PRINT((ndo, "Protocol ID: %d", EXTRACT_16BITS(tptr + i + 5))); | 
 |         	i=i+3; | 
 |         } | 
 |         break; | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_EVB: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){ | 
 |         	return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    EVB Bridge Status")); | 
 |         tval=*(tptr+4); | 
 |         ND_PRINT((ndo, "\n\t      RES: %d, BGID: %d, RRCAP: %d, RRCTR: %d", | 
 |         	tval >> 3, (tval >> 2) & 0x01, (tval >> 1) & 0x01, tval & 0x01)); | 
 |         ND_PRINT((ndo, "\n\t    EVB Station Status")); | 
 |         tval=*(tptr+5); | 
 |         ND_PRINT((ndo, "\n\t      RES: %d, SGID: %d, RRREQ: %d,RRSTAT: %d", | 
 |         	tval >> 4, (tval >> 3) & 0x01, (tval >> 2) & 0x01, tval & 0x03)); | 
 |         tval=*(tptr+6); | 
 |         ND_PRINT((ndo, "\n\t    R: %d, RTE: %d, ",tval >> 5, tval & 0x1f)); | 
 |         tval=*(tptr+7); | 
 |         ND_PRINT((ndo, "EVB Mode: %s [%d]", | 
 |         	tok2str(lldp_evb_mode_values, "unknown", tval >> 6), tval >> 6)); | 
 |         ND_PRINT((ndo, "\n\t    ROL: %d, RWD: %d, ", (tval >> 5) & 0x01, tval & 0x1f)); | 
 |         tval=*(tptr+8); | 
 |         ND_PRINT((ndo, "RES: %d, ROL: %d, RKA: %d", tval >> 6, (tval >> 5) & 0x01, tval & 0x1f)); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8021_SUBTYPE_CDCP: | 
 |         if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH){ | 
 |         	return hexdump; | 
 |         } | 
 |         tval=*(tptr+4); | 
 |         ND_PRINT((ndo, "\n\t    Role: %d, RES: %d, Scomp: %d ", | 
 |         	tval >> 7, (tval >> 4) & 0x07, (tval >> 3) & 0x01)); | 
 |         ND_PRINT((ndo, "ChnCap: %d", EXTRACT_16BITS(tptr + 6) & 0x0fff)); | 
 |         sublen=tlv_len-8; | 
 |         if(sublen%3!=0) { | 
 |         	return hexdump; | 
 |         } | 
 |         i=0; | 
 |         while(i<sublen) { | 
 |         	tval=EXTRACT_24BITS(tptr+i+8); | 
 |         	ND_PRINT((ndo, "\n\t    SCID: %d, SVID: %d", | 
 |         		tval >> 12, tval & 0x000fff)); | 
 |         	i=i+3; | 
 |         } | 
 |         break; | 
 |  | 
 |     default: | 
 |         hexdump = TRUE; | 
 |         break; | 
 |     } | 
 |  | 
 |     return hexdump; | 
 | } | 
 |  | 
 | /* | 
 |  * Print IEEE 802.3 private extensions. (802.3bc) | 
 |  */ | 
 | static int | 
 | lldp_private_8023_print(netdissect_options *ndo, | 
 |                         const u_char *tptr, u_int tlv_len) | 
 | { | 
 |     int subtype, hexdump = FALSE; | 
 |  | 
 |     if (tlv_len < 4) { | 
 |         return hexdump; | 
 |     } | 
 |     subtype = *(tptr+3); | 
 |  | 
 |     ND_PRINT((ndo, "\n\t  %s Subtype (%u)", | 
 |            tok2str(lldp_8023_subtype_values, "unknown", subtype), | 
 |            subtype)); | 
 |  | 
 |     switch (subtype) { | 
 |     case LLDP_PRIVATE_8023_SUBTYPE_MACPHY: | 
 |         if (tlv_len < 9) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    autonegotiation [%s] (0x%02x)", | 
 |                bittok2str(lldp_8023_autonegotiation_values, "none", *(tptr+4)), | 
 |                *(tptr + 4))); | 
 |         ND_PRINT((ndo, "\n\t    PMD autoneg capability [%s] (0x%04x)", | 
 |                bittok2str(lldp_pmd_capability_values,"unknown", EXTRACT_16BITS(tptr+5)), | 
 |                EXTRACT_16BITS(tptr + 5))); | 
 |         ND_PRINT((ndo, "\n\t    MAU type %s (0x%04x)", | 
 |                tok2str(lldp_mau_types_values, "unknown", EXTRACT_16BITS(tptr+7)), | 
 |                EXTRACT_16BITS(tptr + 7))); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER: | 
 |         if (tlv_len < 7) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    MDI power support [%s], power pair %s, power class %s", | 
 |                bittok2str(lldp_mdi_values, "none", *(tptr+4)), | 
 |                tok2str(lldp_mdi_power_pairs_values, "unknown", *(tptr+5)), | 
 |                tok2str(lldp_mdi_power_class_values, "unknown", *(tptr + 6)))); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR: | 
 |         if (tlv_len < 9) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    aggregation status [%s], aggregation port ID %u", | 
 |                bittok2str(lldp_aggregation_values, "none", *(tptr+4)), | 
 |                EXTRACT_32BITS(tptr + 5))); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_8023_SUBTYPE_MTU: | 
 |         ND_PRINT((ndo, "\n\t    MTU size %u", EXTRACT_16BITS(tptr + 4))); | 
 |         break; | 
 |  | 
 |     default: | 
 |         hexdump = TRUE; | 
 |         break; | 
 |     } | 
 |  | 
 |     return hexdump; | 
 | } | 
 |  | 
 | /* | 
 |  * Extract 34bits of latitude/longitude coordinates. | 
 |  */ | 
 | static uint64_t | 
 | lldp_extract_latlon(const u_char *tptr) | 
 | { | 
 |     uint64_t latlon; | 
 |  | 
 |     latlon = *tptr & 0x3; | 
 |     latlon = (latlon << 32) | EXTRACT_32BITS(tptr+1); | 
 |  | 
 |     return latlon; | 
 | } | 
 |  | 
 | /* | 
 |  * Print private TIA extensions. | 
 |  */ | 
 | static int | 
 | lldp_private_tia_print(netdissect_options *ndo, | 
 |                        const u_char *tptr, u_int tlv_len) | 
 | { | 
 |     int subtype, hexdump = FALSE; | 
 |     uint8_t location_format; | 
 |     uint16_t power_val; | 
 |     u_int lci_len; | 
 |     uint8_t ca_type, ca_len; | 
 |  | 
 |     if (tlv_len < 4) { | 
 |         return hexdump; | 
 |     } | 
 |     subtype = *(tptr+3); | 
 |  | 
 |     ND_PRINT((ndo, "\n\t  %s Subtype (%u)", | 
 |            tok2str(lldp_tia_subtype_values, "unknown", subtype), | 
 |            subtype)); | 
 |  | 
 |     switch (subtype) { | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES: | 
 |         if (tlv_len < 7) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    Media capabilities [%s] (0x%04x)", | 
 |                bittok2str(lldp_tia_capabilities_values, "none", | 
 |                           EXTRACT_16BITS(tptr + 4)), EXTRACT_16BITS(tptr + 4))); | 
 |         ND_PRINT((ndo, "\n\t    Device type [%s] (0x%02x)", | 
 |                tok2str(lldp_tia_device_type_values, "unknown", *(tptr+6)), | 
 |                *(tptr + 6))); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY: | 
 |         if (tlv_len < 8) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    Application type [%s] (0x%02x)", | 
 |                tok2str(lldp_tia_application_type_values, "none", *(tptr+4)), | 
 |                *(tptr + 4))); | 
 |         ND_PRINT((ndo, ", Flags [%s]", bittok2str( | 
 |                    lldp_tia_network_policy_bits_values, "none", *(tptr + 5)))); | 
 |         ND_PRINT((ndo, "\n\t    Vlan id %u", | 
 |                LLDP_EXTRACT_NETWORK_POLICY_VLAN(EXTRACT_16BITS(tptr + 5)))); | 
 |         ND_PRINT((ndo, ", L2 priority %u", | 
 |                LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(EXTRACT_16BITS(tptr + 6)))); | 
 |         ND_PRINT((ndo, ", DSCP value %u", | 
 |                LLDP_EXTRACT_NETWORK_POLICY_DSCP(EXTRACT_16BITS(tptr + 6)))); | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID: | 
 |         if (tlv_len < 5) { | 
 |             return hexdump; | 
 |         } | 
 |         location_format = *(tptr+4); | 
 |         ND_PRINT((ndo, "\n\t    Location data format %s (0x%02x)", | 
 |                tok2str(lldp_tia_location_data_format_values, "unknown", location_format), | 
 |                location_format)); | 
 |  | 
 |         switch (location_format) { | 
 |         case LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED: | 
 |             if (tlv_len < 21) { | 
 |                 return hexdump; | 
 |             } | 
 |             ND_PRINT((ndo, "\n\t    Latitude resolution %u, latitude value %" PRIu64, | 
 |                    (*(tptr + 5) >> 2), lldp_extract_latlon(tptr + 5))); | 
 |             ND_PRINT((ndo, "\n\t    Longitude resolution %u, longitude value %" PRIu64, | 
 |                    (*(tptr + 10) >> 2), lldp_extract_latlon(tptr + 10))); | 
 |             ND_PRINT((ndo, "\n\t    Altitude type %s (%u)", | 
 |                    tok2str(lldp_tia_location_altitude_type_values, "unknown",(*(tptr+15)>>4)), | 
 |                    (*(tptr + 15) >> 4))); | 
 |             ND_PRINT((ndo, "\n\t    Altitude resolution %u, altitude value 0x%x", | 
 |                    (EXTRACT_16BITS(tptr+15)>>6)&0x3f, | 
 |                    ((EXTRACT_32BITS(tptr + 16) & 0x3fffffff)))); | 
 |             ND_PRINT((ndo, "\n\t    Datum %s (0x%02x)", | 
 |                    tok2str(lldp_tia_location_datum_type_values, "unknown", *(tptr+20)), | 
 |                    *(tptr + 20))); | 
 |             break; | 
 |  | 
 |         case LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS: | 
 |             if (tlv_len < 6) { | 
 |                 return hexdump; | 
 |             } | 
 |             lci_len = *(tptr+5); | 
 |             if (lci_len < 3) { | 
 |                 return hexdump; | 
 |             } | 
 |             if (tlv_len < 7+lci_len) { | 
 |                 return hexdump; | 
 |             } | 
 |             ND_PRINT((ndo, "\n\t    LCI length %u, LCI what %s (0x%02x), Country-code ", | 
 |                    lci_len, | 
 |                    tok2str(lldp_tia_location_lci_what_values, "unknown", *(tptr+6)), | 
 |                    *(tptr + 6))); | 
 |  | 
 |             /* Country code */ | 
 |             safeputs(ndo, tptr + 7, 2); | 
 |  | 
 |             lci_len = lci_len-3; | 
 |             tptr = tptr + 9; | 
 |  | 
 |             /* Decode each civic address element */ | 
 |             while (lci_len > 0) { | 
 |                 if (lci_len < 2) { | 
 |                     return hexdump; | 
 |                 } | 
 | 		ca_type = *(tptr); | 
 |                 ca_len = *(tptr+1); | 
 |  | 
 | 		tptr += 2; | 
 |                 lci_len -= 2; | 
 |  | 
 |                 ND_PRINT((ndo, "\n\t      CA type \'%s\' (%u), length %u: ", | 
 |                        tok2str(lldp_tia_location_lci_catype_values, "unknown", ca_type), | 
 |                        ca_type, ca_len)); | 
 |  | 
 | 		/* basic sanity check */ | 
 | 		if ( ca_type == 0 || ca_len == 0) { | 
 |                     return hexdump; | 
 | 		} | 
 | 		if (lci_len < ca_len) { | 
 | 		    return hexdump; | 
 | 		} | 
 |  | 
 |                 safeputs(ndo, tptr, ca_len); | 
 |                 tptr += ca_len; | 
 |                 lci_len -= ca_len; | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN: | 
 |             ND_PRINT((ndo, "\n\t    ECS ELIN id ")); | 
 |             safeputs(ndo, tptr + 5, tlv_len - 5); | 
 |             break; | 
 |  | 
 |         default: | 
 |             ND_PRINT((ndo, "\n\t    Location ID ")); | 
 |             print_unknown_data(ndo, tptr + 5, "\n\t      ", tlv_len - 5); | 
 |         } | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI: | 
 |         if (tlv_len < 7) { | 
 |             return hexdump; | 
 |         } | 
 |         ND_PRINT((ndo, "\n\t    Power type [%s]", | 
 |                (*(tptr + 4) & 0xC0 >> 6) ? "PD device" : "PSE device")); | 
 |         ND_PRINT((ndo, ", Power source [%s]", | 
 |                tok2str(lldp_tia_power_source_values, "none", (*(tptr + 4) & 0x30) >> 4))); | 
 |         ND_PRINT((ndo, "\n\t    Power priority [%s] (0x%02x)", | 
 |                tok2str(lldp_tia_power_priority_values, "none", *(tptr+4)&0x0f), | 
 |                *(tptr + 4) & 0x0f)); | 
 |         power_val = EXTRACT_16BITS(tptr+5); | 
 |         if (power_val < LLDP_TIA_POWER_VAL_MAX) { | 
 |             ND_PRINT((ndo, ", Power %.1f Watts", ((float)power_val) / 10)); | 
 |         } else { | 
 |             ND_PRINT((ndo, ", Power %u (Reserved)", power_val)); | 
 |         } | 
 |         break; | 
 |  | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV: | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV: | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV: | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER: | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME: | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME: | 
 |     case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID: | 
 |         ND_PRINT((ndo, "\n\t  %s ", | 
 |                tok2str(lldp_tia_inventory_values, "unknown", subtype))); | 
 |         safeputs(ndo, tptr + 4, tlv_len - 4); | 
 |         break; | 
 |  | 
 |     default: | 
 |         hexdump = TRUE; | 
 |         break; | 
 |     } | 
 |  | 
 |     return hexdump; | 
 | } | 
 |  | 
 | /* | 
 |  * Print DCBX Protocol fields (V 1.01). | 
 |  */ | 
 | static int | 
 | lldp_private_dcbx_print(netdissect_options *ndo, | 
 |                         const u_char *pptr, u_int len) | 
 | { | 
 |     int subtype, hexdump = FALSE; | 
 |     uint8_t tval; | 
 |     uint16_t tlv; | 
 |     uint32_t i, pgval, uval; | 
 |     u_int tlen, tlv_type, tlv_len; | 
 |     const u_char *tptr, *mptr; | 
 |  | 
 |     if (len < 4) { | 
 |         return hexdump; | 
 |     } | 
 |     subtype = *(pptr+3); | 
 |  | 
 |     ND_PRINT((ndo, "\n\t  %s Subtype (%u)", | 
 |            tok2str(lldp_dcbx_subtype_values, "unknown", subtype), | 
 |            subtype)); | 
 |  | 
 |     /* by passing old version */ | 
 |     if (subtype == LLDP_DCBX_SUBTYPE_1) | 
 | 	return TRUE; | 
 |  | 
 |     tptr = pptr + 4; | 
 |     tlen = len - 4; | 
 |  | 
 |     while (tlen >= sizeof(tlv)) { | 
 |  | 
 |         ND_TCHECK2(*tptr, sizeof(tlv)); | 
 |  | 
 |         tlv = EXTRACT_16BITS(tptr); | 
 |  | 
 |         tlv_type = LLDP_EXTRACT_TYPE(tlv); | 
 |         tlv_len = LLDP_EXTRACT_LEN(tlv); | 
 |         hexdump = FALSE; | 
 |  | 
 |         tlen -= sizeof(tlv); | 
 |         tptr += sizeof(tlv); | 
 |  | 
 |         /* loop check */ | 
 |         if (!tlv_type || !tlv_len) { | 
 |             break; | 
 |         } | 
 |  | 
 |         ND_TCHECK2(*tptr, tlv_len); | 
 |         if (tlen < tlv_len) { | 
 |             goto trunc; | 
 |         } | 
 |  | 
 | 	/* decode every tlv */ | 
 |         switch (tlv_type) { | 
 |         case LLDP_DCBX_CONTROL_TLV: | 
 |             if (tlv_len < 10) { | 
 |                 goto trunc; | 
 |             } | 
 | 	    ND_PRINT((ndo, "\n\t    Control - Protocol Control (type 0x%x, length %d)", | 
 | 		LLDP_DCBX_CONTROL_TLV, tlv_len)); | 
 | 	    ND_PRINT((ndo, "\n\t      Oper_Version: %d", *tptr)); | 
 | 	    ND_PRINT((ndo, "\n\t      Max_Version: %d", *(tptr + 1))); | 
 | 	    ND_PRINT((ndo, "\n\t      Sequence Number: %d", EXTRACT_32BITS(tptr + 2))); | 
 | 	    ND_PRINT((ndo, "\n\t      Acknowledgement Number: %d", | 
 | 					EXTRACT_32BITS(tptr + 6))); | 
 | 	    break; | 
 |         case LLDP_DCBX_PRIORITY_GROUPS_TLV: | 
 |             if (tlv_len < 17) { | 
 |                 goto trunc; | 
 |             } | 
 | 	    ND_PRINT((ndo, "\n\t    Feature - Priority Group (type 0x%x, length %d)", | 
 | 		LLDP_DCBX_PRIORITY_GROUPS_TLV, tlv_len)); | 
 | 	    ND_PRINT((ndo, "\n\t      Oper_Version: %d", *tptr)); | 
 | 	    ND_PRINT((ndo, "\n\t      Max_Version: %d", *(tptr + 1))); | 
 | 	    ND_PRINT((ndo, "\n\t      Info block(0x%02X): ", *(tptr + 2))); | 
 | 	    tval = *(tptr+2); | 
 | 	    ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d", | 
 | 		(tval &  0x80) ? 1 : 0, (tval &  0x40) ? 1 : 0, | 
 | 		(tval &  0x20) ? 1 : 0)); | 
 | 	    ND_PRINT((ndo, "\n\t      SubType: %d", *(tptr + 3))); | 
 | 	    ND_PRINT((ndo, "\n\t      Priority Allocation")); | 
 |  | 
 | 	    /* | 
 | 	     * Array of 8 4-bit priority group ID values; we fetch all | 
 | 	     * 32 bits and extract each nibble. | 
 | 	     */ | 
 | 	    pgval = EXTRACT_32BITS(tptr+4); | 
 | 	    for (i = 0; i <= 7; i++) { | 
 | 		ND_PRINT((ndo, "\n\t          PgId_%d: %d", | 
 | 			i, (pgval >> (28 - 4 * i)) & 0xF)); | 
 | 	    } | 
 | 	    ND_PRINT((ndo, "\n\t      Priority Group Allocation")); | 
 | 	    for (i = 0; i <= 7; i++) | 
 | 		ND_PRINT((ndo, "\n\t          Pg percentage[%d]: %d", i, *(tptr + 8 + i))); | 
 | 	    ND_PRINT((ndo, "\n\t      NumTCsSupported: %d", *(tptr + 8 + 8))); | 
 | 	    break; | 
 |         case LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV: | 
 |             if (tlv_len < 6) { | 
 |                 goto trunc; | 
 |             } | 
 | 	    ND_PRINT((ndo, "\n\t    Feature - Priority Flow Control")); | 
 | 	    ND_PRINT((ndo, " (type 0x%x, length %d)", | 
 | 		LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV, tlv_len)); | 
 | 	    ND_PRINT((ndo, "\n\t      Oper_Version: %d", *tptr)); | 
 | 	    ND_PRINT((ndo, "\n\t      Max_Version: %d", *(tptr + 1))); | 
 | 	    ND_PRINT((ndo, "\n\t      Info block(0x%02X): ", *(tptr + 2))); | 
 | 	    tval = *(tptr+2); | 
 | 	    ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d", | 
 | 		(tval &  0x80) ? 1 : 0, (tval &  0x40) ? 1 : 0, | 
 | 		(tval &  0x20) ? 1 : 0)); | 
 | 	    ND_PRINT((ndo, "\n\t      SubType: %d", *(tptr + 3))); | 
 | 	    tval = *(tptr+4); | 
 | 	    ND_PRINT((ndo, "\n\t      PFC Config (0x%02X)", *(tptr + 4))); | 
 | 	    for (i = 0; i <= 7; i++) | 
 | 		ND_PRINT((ndo, "\n\t          Priority Bit %d: %s", | 
 | 		    i, (tval & (1 << i)) ? "Enabled" : "Disabled")); | 
 | 	    ND_PRINT((ndo, "\n\t      NumTCPFCSupported: %d", *(tptr + 5))); | 
 | 	    break; | 
 |         case LLDP_DCBX_APPLICATION_TLV: | 
 |             if (tlv_len < 4) { | 
 |                 goto trunc; | 
 |             } | 
 | 	    ND_PRINT((ndo, "\n\t    Feature - Application (type 0x%x, length %d)", | 
 | 		LLDP_DCBX_APPLICATION_TLV, tlv_len)); | 
 | 	    ND_PRINT((ndo, "\n\t      Oper_Version: %d", *tptr)); | 
 | 	    ND_PRINT((ndo, "\n\t      Max_Version: %d", *(tptr + 1))); | 
 | 	    ND_PRINT((ndo, "\n\t      Info block(0x%02X): ", *(tptr + 2))); | 
 | 	    tval = *(tptr+2); | 
 | 	    ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d", | 
 | 		(tval &  0x80) ? 1 : 0, (tval &  0x40) ? 1 : 0, | 
 | 		(tval &  0x20) ? 1 : 0)); | 
 | 	    ND_PRINT((ndo, "\n\t      SubType: %d", *(tptr + 3))); | 
 | 	    tval = tlv_len - 4; | 
 | 	    mptr = tptr + 4; | 
 | 	    while (tval >= 6) { | 
 | 		ND_PRINT((ndo, "\n\t      Application Value")); | 
 | 		ND_PRINT((ndo, "\n\t          Application Protocol ID: 0x%04x", | 
 | 			EXTRACT_16BITS(mptr))); | 
 | 		uval = EXTRACT_24BITS(mptr+2); | 
 | 		ND_PRINT((ndo, "\n\t          SF (0x%x) Application Protocol ID is %s", | 
 | 			(uval >> 22), | 
 | 			(uval >> 22) ? "Socket Number" : "L2 EtherType")); | 
 | 		ND_PRINT((ndo, "\n\t          OUI: 0x%06x", uval & 0x3fffff)); | 
 | 		ND_PRINT((ndo, "\n\t          User Priority Map: 0x%02x", *(mptr + 5))); | 
 | 		tval = tval - 6; | 
 | 		mptr = mptr + 6; | 
 | 	    } | 
 | 	    break; | 
 | 	default: | 
 | 	    hexdump = TRUE; | 
 | 	    break; | 
 | 	} | 
 |  | 
 |         /* do we also want to see a hex dump ? */ | 
 |         if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) { | 
 | 	    print_unknown_data(ndo, tptr, "\n\t    ", tlv_len); | 
 |         } | 
 |  | 
 |         tlen -= tlv_len; | 
 |         tptr += tlv_len; | 
 |     } | 
 |  | 
 |  trunc: | 
 |     return hexdump; | 
 | } | 
 |  | 
 | static char * | 
 | lldp_network_addr_print(netdissect_options *ndo, const u_char *tptr, u_int len) | 
 | { | 
 |     uint8_t af; | 
 |     static char buf[BUFSIZE]; | 
 |     const char * (*pfunc)(netdissect_options *, const u_char *); | 
 |  | 
 |     if (len < 1) | 
 |       return NULL; | 
 |     len--; | 
 |     af = *tptr; | 
 |     switch (af) { | 
 |     case AFNUM_INET: | 
 |         if (len < 4) | 
 |           return NULL; | 
 |         pfunc = getname; | 
 |         break; | 
 | #ifdef INET6 | 
 |     case AFNUM_INET6: | 
 |         if (len < 16) | 
 |           return NULL; | 
 |         pfunc = getname6; | 
 |         break; | 
 | #endif | 
 |     case AFNUM_802: | 
 |         if (len < 6) | 
 |           return NULL; | 
 |         pfunc = etheraddr_string; | 
 |         break; | 
 |     default: | 
 |         pfunc = NULL; | 
 |         break; | 
 |     } | 
 |  | 
 |     if (!pfunc) { | 
 |         snprintf(buf, sizeof(buf), "AFI %s (%u), no AF printer !", | 
 |                  tok2str(af_values, "Unknown", af), af); | 
 |     } else { | 
 |         snprintf(buf, sizeof(buf), "AFI %s (%u): %s", | 
 |                  tok2str(af_values, "Unknown", af), af, (*pfunc)(ndo, tptr+1)); | 
 |     } | 
 |  | 
 |     return buf; | 
 | } | 
 |  | 
 | static int | 
 | lldp_mgmt_addr_tlv_print(netdissect_options *ndo, | 
 |                          const u_char *pptr, u_int len) | 
 | { | 
 |     uint8_t mgmt_addr_len, intf_num_subtype, oid_len; | 
 |     const u_char *tptr; | 
 |     u_int tlen; | 
 |     char *mgmt_addr; | 
 |  | 
 |     tlen = len; | 
 |     tptr = pptr; | 
 |  | 
 |     if (tlen < 1) { | 
 |         return 0; | 
 |     } | 
 |     mgmt_addr_len = *tptr++; | 
 |     tlen--; | 
 |  | 
 |     if (tlen < mgmt_addr_len) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     mgmt_addr = lldp_network_addr_print(ndo, tptr, mgmt_addr_len); | 
 |     if (mgmt_addr == NULL) { | 
 |         return 0; | 
 |     } | 
 |     ND_PRINT((ndo, "\n\t  Management Address length %u, %s", | 
 |            mgmt_addr_len, mgmt_addr)); | 
 |     tptr += mgmt_addr_len; | 
 |     tlen -= mgmt_addr_len; | 
 |  | 
 |     if (tlen < LLDP_INTF_NUM_LEN) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     intf_num_subtype = *tptr; | 
 |     ND_PRINT((ndo, "\n\t  %s Interface Numbering (%u): %u", | 
 |            tok2str(lldp_intf_numb_subtype_values, "Unknown", intf_num_subtype), | 
 |            intf_num_subtype, | 
 |            EXTRACT_32BITS(tptr + 1))); | 
 |  | 
 |     tptr += LLDP_INTF_NUM_LEN; | 
 |     tlen -= LLDP_INTF_NUM_LEN; | 
 |  | 
 |     /* | 
 |      * The OID is optional. | 
 |      */ | 
 |     if (tlen) { | 
 |         oid_len = *tptr; | 
 |  | 
 |         if (tlen < oid_len) { | 
 |             return 0; | 
 |         } | 
 |         if (oid_len) { | 
 |             ND_PRINT((ndo, "\n\t  OID length %u", oid_len)); | 
 |             safeputs(ndo, tptr + 1, oid_len); | 
 |         } | 
 |     } | 
 |  | 
 |     return 1; | 
 | } | 
 |  | 
 | void | 
 | lldp_print(netdissect_options *ndo, | 
 |            register const u_char *pptr, register u_int len) | 
 | { | 
 |     uint8_t subtype; | 
 |     uint16_t tlv, cap, ena_cap; | 
 |     u_int oui, tlen, hexdump, tlv_type, tlv_len; | 
 |     const u_char *tptr; | 
 |     char *network_addr; | 
 |  | 
 |     tptr = pptr; | 
 |     tlen = len; | 
 |  | 
 |     ND_PRINT((ndo, "LLDP, length %u", len)); | 
 |  | 
 |     while (tlen >= sizeof(tlv)) { | 
 |  | 
 |         ND_TCHECK2(*tptr, sizeof(tlv)); | 
 |  | 
 |         tlv = EXTRACT_16BITS(tptr); | 
 |  | 
 |         tlv_type = LLDP_EXTRACT_TYPE(tlv); | 
 |         tlv_len = LLDP_EXTRACT_LEN(tlv); | 
 |         hexdump = FALSE; | 
 |  | 
 |         tlen -= sizeof(tlv); | 
 |         tptr += sizeof(tlv); | 
 |  | 
 |         if (ndo->ndo_vflag) { | 
 |             ND_PRINT((ndo, "\n\t%s TLV (%u), length %u", | 
 |                    tok2str(lldp_tlv_values, "Unknown", tlv_type), | 
 |                    tlv_type, tlv_len)); | 
 |         } | 
 |  | 
 |         /* infinite loop check */ | 
 |         if (!tlv_type || !tlv_len) { | 
 |             break; | 
 |         } | 
 |  | 
 |         ND_TCHECK2(*tptr, tlv_len); | 
 |         if (tlen < tlv_len) { | 
 |             goto trunc; | 
 |         } | 
 |  | 
 |         switch (tlv_type) { | 
 |  | 
 |         case LLDP_CHASSIS_ID_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 if (tlv_len < 2) { | 
 |                     goto trunc; | 
 |                 } | 
 |                 subtype = *tptr; | 
 |                 ND_PRINT((ndo, "\n\t  Subtype %s (%u): ", | 
 |                        tok2str(lldp_chassis_subtype_values, "Unknown", subtype), | 
 |                        subtype)); | 
 |  | 
 |                 switch (subtype) { | 
 |                 case LLDP_CHASSIS_MAC_ADDR_SUBTYPE: | 
 |                     if (tlv_len < 1+6) { | 
 |                         goto trunc; | 
 |                     } | 
 |                     ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr + 1))); | 
 |                     break; | 
 |  | 
 |                 case LLDP_CHASSIS_INTF_NAME_SUBTYPE: /* fall through */ | 
 |                 case LLDP_CHASSIS_LOCAL_SUBTYPE: | 
 |                 case LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE: | 
 |                 case LLDP_CHASSIS_INTF_ALIAS_SUBTYPE: | 
 |                 case LLDP_CHASSIS_PORT_COMP_SUBTYPE: | 
 |                     safeputs(ndo, tptr + 1, tlv_len - 1); | 
 |                     break; | 
 |  | 
 |                 case LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE: | 
 |                     network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1); | 
 |                     if (network_addr == NULL) { | 
 |                         goto trunc; | 
 |                     } | 
 |                     ND_PRINT((ndo, "%s", network_addr)); | 
 |                     break; | 
 |  | 
 |                 default: | 
 |                     hexdump = TRUE; | 
 |                     break; | 
 |                 } | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_PORT_ID_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 if (tlv_len < 2) { | 
 |                     goto trunc; | 
 |                 } | 
 |                 subtype = *tptr; | 
 |                 ND_PRINT((ndo, "\n\t  Subtype %s (%u): ", | 
 |                        tok2str(lldp_port_subtype_values, "Unknown", subtype), | 
 |                        subtype)); | 
 |  | 
 |                 switch (subtype) { | 
 |                 case LLDP_PORT_MAC_ADDR_SUBTYPE: | 
 |                     if (tlv_len < 1+6) { | 
 |                         goto trunc; | 
 |                     } | 
 |                     ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr + 1))); | 
 |                     break; | 
 |  | 
 |                 case LLDP_PORT_INTF_NAME_SUBTYPE: /* fall through */ | 
 |                 case LLDP_PORT_LOCAL_SUBTYPE: | 
 |                 case LLDP_PORT_AGENT_CIRC_ID_SUBTYPE: | 
 |                 case LLDP_PORT_INTF_ALIAS_SUBTYPE: | 
 |                 case LLDP_PORT_PORT_COMP_SUBTYPE: | 
 |                     safeputs(ndo, tptr + 1, tlv_len - 1); | 
 |                     break; | 
 |  | 
 |                 case LLDP_PORT_NETWORK_ADDR_SUBTYPE: | 
 |                     network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1); | 
 |                     if (network_addr == NULL) { | 
 |                         goto trunc; | 
 |                     } | 
 |                     ND_PRINT((ndo, "%s", network_addr)); | 
 |                     break; | 
 |  | 
 |                 default: | 
 |                     hexdump = TRUE; | 
 |                     break; | 
 |                 } | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_TTL_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 if (tlv_len < 2) { | 
 |                     goto trunc; | 
 |                 } | 
 |                 ND_PRINT((ndo, ": TTL %us", EXTRACT_16BITS(tptr))); | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_PORT_DESCR_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 ND_PRINT((ndo, ": ")); | 
 |                 safeputs(ndo, tptr, tlv_len); | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_SYSTEM_NAME_TLV: | 
 |             /* | 
 |              * The system name is also print in non-verbose mode | 
 |              * similar to the CDP printer. | 
 |              */ | 
 |             ND_PRINT((ndo, ": ")); | 
 |             safeputs(ndo, tptr, tlv_len); | 
 |             break; | 
 |  | 
 |         case LLDP_SYSTEM_DESCR_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 ND_PRINT((ndo, "\n\t  ")); | 
 |                 safeputs(ndo, tptr, tlv_len); | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_SYSTEM_CAP_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 /* | 
 |                  * XXX - IEEE Std 802.1AB-2009 says the first octet | 
 |                  * if a chassis ID subtype, with the system | 
 |                  * capabilities and enabled capabilities following | 
 |                  * it. | 
 |                  */ | 
 |                 if (tlv_len < 4) { | 
 |                     goto trunc; | 
 |                 } | 
 |                 cap = EXTRACT_16BITS(tptr); | 
 |                 ena_cap = EXTRACT_16BITS(tptr+2); | 
 |                 ND_PRINT((ndo, "\n\t  System  Capabilities [%s] (0x%04x)", | 
 |                        bittok2str(lldp_cap_values, "none", cap), cap)); | 
 |                 ND_PRINT((ndo, "\n\t  Enabled Capabilities [%s] (0x%04x)", | 
 |                        bittok2str(lldp_cap_values, "none", ena_cap), ena_cap)); | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_MGMT_ADDR_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 if (!lldp_mgmt_addr_tlv_print(ndo, tptr, tlv_len)) { | 
 |                     goto trunc; | 
 |                 } | 
 |             } | 
 |             break; | 
 |  | 
 |         case LLDP_PRIVATE_TLV: | 
 |             if (ndo->ndo_vflag) { | 
 |                 if (tlv_len < 3) { | 
 |                     goto trunc; | 
 |                 } | 
 |                 oui = EXTRACT_24BITS(tptr); | 
 |                 ND_PRINT((ndo, ": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui)); | 
 |  | 
 |                 switch (oui) { | 
 |                 case OUI_IEEE_8021_PRIVATE: | 
 |                     hexdump = lldp_private_8021_print(ndo, tptr, tlv_len); | 
 |                     break; | 
 |                 case OUI_IEEE_8023_PRIVATE: | 
 |                     hexdump = lldp_private_8023_print(ndo, tptr, tlv_len); | 
 |                     break; | 
 |                 case OUI_TIA: | 
 |                     hexdump = lldp_private_tia_print(ndo, tptr, tlv_len); | 
 |                     break; | 
 |                 case OUI_DCBX: | 
 |                     hexdump = lldp_private_dcbx_print(ndo, tptr, tlv_len); | 
 |                     break; | 
 |                 default: | 
 |                     hexdump = TRUE; | 
 |                     break; | 
 |                 } | 
 |             } | 
 |             break; | 
 |  | 
 |         default: | 
 |             hexdump = TRUE; | 
 |             break; | 
 |         } | 
 |  | 
 |         /* do we also want to see a hex dump ? */ | 
 |         if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) { | 
 |             print_unknown_data(ndo, tptr, "\n\t  ", tlv_len); | 
 |         } | 
 |  | 
 |         tlen -= tlv_len; | 
 |         tptr += tlv_len; | 
 |     } | 
 |     return; | 
 |  trunc: | 
 |     ND_PRINT((ndo, "\n\t[|LLDP]")); | 
 | } | 
 |  | 
 | /* | 
 |  * Local Variables: | 
 |  * c-style: whitesmith | 
 |  * c-basic-offset: 4 | 
 |  * End: | 
 |  */ |