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+/*
+ * 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.
+ *
+ * Original code by Hannes Gredler (hannes@gredler.at)
+ * IEEE and TIA extensions by Carles Kishimoto <carles.kishimoto@gmail.com>
+ * DCBX extensions by Kaladhar Musunuru <kaladharm@sourceforge.net>
+ */
+
+/* \summary: IEEE 802.1ab Link Layer Discovery Protocol (LLDP) printer */
+
+#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_LINKAGGR 7
+#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_LINKAGGR, "Link aggregation"},
+ { 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_CAPABILITY (1 << 0)
+#define LLDP_AGGREGATION_STATUS (1 << 1)
+
+static const struct tok lldp_aggregation_values[] = {
+ { LLDP_AGGREGATION_CAPABILITY, "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 Station"},
+ { LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"},
+ { 0, NULL},
+};
+
+#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
+
+#define LLDP_IANA_SUBTYPE_MUDURL 1
+
+static const struct tok lldp_iana_subtype_values[] = {
+ { LLDP_IANA_SUBTYPE_MUDURL, "MUD-URL" },
+ { 0, NULL }
+};
+
+
+static void
+print_ets_priority_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT("\n\t Priority Assignment Table");
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ GET_U_1(ptr) >> 4, GET_U_1(ptr) & 0x0f,
+ GET_U_1(ptr + 1) >> 4, GET_U_1(ptr + 1) & 0x0f,
+ GET_U_1(ptr + 2) >> 4, GET_U_1(ptr + 2) & 0x0f,
+ GET_U_1(ptr + 3) >> 4, GET_U_1(ptr + 3) & 0x0f);
+}
+
+static void
+print_tc_bandwidth_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT("\n\t TC Bandwidth Table");
+ ND_PRINT("\n\t TC%% : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ GET_U_1(ptr), GET_U_1(ptr + 1), GET_U_1(ptr + 2),
+ GET_U_1(ptr + 3), GET_U_1(ptr + 4), GET_U_1(ptr + 5),
+ GET_U_1(ptr + 6), GET_U_1(ptr + 7));
+}
+
+static void
+print_tsa_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT("\n\t TSA Assignment Table");
+ ND_PRINT("\n\t Traffic Class: 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ GET_U_1(ptr), GET_U_1(ptr + 1), GET_U_1(ptr + 2),
+ GET_U_1(ptr + 3), GET_U_1(ptr + 4), GET_U_1(ptr + 5),
+ GET_U_1(ptr + 6), GET_U_1(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 hexdump = FALSE;
+ u_int subtype;
+ u_int sublen;
+ u_int tval;
+ u_int i;
+
+ if (tlv_len < 4) {
+ return hexdump;
+ }
+ subtype = GET_U_1(tptr + 3);
+
+ ND_PRINT("\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("\n\t port vlan id (PVID): %u",
+ GET_BE_U_2(tptr + 4));
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
+ GET_BE_U_2(tptr + 5),
+ bittok2str(lldp_8021_port_protocol_id_values, "none", GET_U_1(tptr + 4)),
+ GET_U_1(tptr + 4));
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t vlan id (VID): %u", GET_BE_U_2(tptr + 4));
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ sublen = GET_U_1(tptr + 6);
+ if (tlv_len < 7+sublen) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t vlan name: ");
+ nd_printjnp(ndo, tptr + 7, sublen);
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY:
+ if (tlv_len < 5) {
+ return hexdump;
+ }
+ sublen = GET_U_1(tptr + 4);
+ if (tlv_len < 5+sublen) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t protocol identity: ");
+ nd_printjnp(ndo, tptr + 5, sublen);
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR:
+ if (tlv_len < 9) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t aggregation status [%s], aggregation port ID %u",
+ bittok2str(lldp_aggregation_values, "none", GET_U_1((tptr + 4))),
+ GET_BE_U_4(tptr + 5));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){
+ return hexdump;
+ }
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Pre-Priority CNPV Indicator");
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : ");
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT("%-2d ", (tval >> i) & 0x01);
+ tval=GET_U_1(tptr + 5);
+ ND_PRINT("\n\t Pre-Priority Ready Indicator");
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : ");
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT("%-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=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Willing:%u, CBS:%u, RES:%u, Max TCs:%u",
+ 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("\n\t RES: %u", GET_U_1(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=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Willing: %u, MBC: %u, RES: %u, PFC cap:%u ",
+ tval >> 7, (tval >> 6) & 0x01, (tval >> 4) & 0x03, (tval & 0x0f));
+ ND_PRINT("\n\t PFC Enable");
+ tval=GET_U_1(tptr + 5);
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : ");
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT("%-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("\n\t RES: %u", GET_U_1(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("\n\t Application Priority Table");
+ while(i<sublen) {
+ tval=GET_U_1(tptr + i + 5);
+ ND_PRINT("\n\t Priority: %u, RES: %u, Sel: %u, Protocol ID: %u",
+ tval >> 5, (tval >> 3) & 0x03, (tval & 0x07),
+ GET_BE_U_2(tptr + i + 6));
+ i=i+3;
+ }
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_EVB:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){
+ return hexdump;
+ }
+ ND_PRINT("\n\t EVB Bridge Status");
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t RES: %u, BGID: %u, RRCAP: %u, RRCTR: %u",
+ tval >> 3, (tval >> 2) & 0x01, (tval >> 1) & 0x01, tval & 0x01);
+ ND_PRINT("\n\t EVB Station Status");
+ tval=GET_U_1(tptr + 5);
+ ND_PRINT("\n\t RES: %u, SGID: %u, RRREQ: %u,RRSTAT: %u",
+ tval >> 4, (tval >> 3) & 0x01, (tval >> 2) & 0x01, tval & 0x03);
+ tval=GET_U_1(tptr + 6);
+ ND_PRINT("\n\t R: %u, RTE: %u, ",tval >> 5, tval & 0x1f);
+ tval=GET_U_1(tptr + 7);
+ ND_PRINT("EVB Mode: %s [%u]",
+ tok2str(lldp_evb_mode_values, "unknown", tval >> 6), tval >> 6);
+ ND_PRINT("\n\t ROL: %u, RWD: %u, ", (tval >> 5) & 0x01, tval & 0x1f);
+ tval=GET_U_1(tptr + 8);
+ ND_PRINT("RES: %u, ROL: %u, RKA: %u", 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=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Role: %u, RES: %u, Scomp: %u ",
+ tval >> 7, (tval >> 4) & 0x07, (tval >> 3) & 0x01);
+ ND_PRINT("ChnCap: %u", GET_BE_U_2(tptr + 6) & 0x0fff);
+ sublen=tlv_len-8;
+ if(sublen%3!=0) {
+ return hexdump;
+ }
+ i=0;
+ while(i<sublen) {
+ tval=GET_BE_U_3(tptr + i + 8);
+ ND_PRINT("\n\t SCID: %u, SVID: %u",
+ 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 hexdump = FALSE;
+ u_int subtype;
+
+ if (tlv_len < 4) {
+ return hexdump;
+ }
+ subtype = GET_U_1(tptr + 3);
+
+ ND_PRINT("\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("\n\t autonegotiation [%s] (0x%02x)",
+ bittok2str(lldp_8023_autonegotiation_values, "none", GET_U_1(tptr + 4)),
+ GET_U_1(tptr + 4));
+ ND_PRINT("\n\t PMD autoneg capability [%s] (0x%04x)",
+ bittok2str(lldp_pmd_capability_values,"unknown", GET_BE_U_2(tptr + 5)),
+ GET_BE_U_2(tptr + 5));
+ ND_PRINT("\n\t MAU type %s (0x%04x)",
+ tok2str(lldp_mau_types_values, "unknown", GET_BE_U_2(tptr + 7)),
+ GET_BE_U_2(tptr + 7));
+ break;
+
+ case LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t MDI power support [%s], power pair %s, power class %s",
+ bittok2str(lldp_mdi_values, "none", GET_U_1((tptr + 4))),
+ tok2str(lldp_mdi_power_pairs_values, "unknown", GET_U_1((tptr + 5))),
+ tok2str(lldp_mdi_power_class_values, "unknown", GET_U_1((tptr + 6))));
+ break;
+
+ case LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR:
+ if (tlv_len < 9) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t aggregation status [%s], aggregation port ID %u",
+ bittok2str(lldp_aggregation_values, "none", GET_U_1((tptr + 4))),
+ GET_BE_U_4(tptr + 5));
+ break;
+
+ case LLDP_PRIVATE_8023_SUBTYPE_MTU:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t MTU size %u", GET_BE_U_2(tptr + 4));
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ return hexdump;
+}
+
+/*
+ * Extract 34bits of latitude/longitude coordinates.
+ */
+static uint64_t
+lldp_extract_latlon(netdissect_options *ndo, const u_char *tptr)
+{
+ uint64_t latlon;
+
+ latlon = GET_U_1(tptr) & 0x3;
+ latlon = (latlon << 32) | GET_BE_U_4(tptr + 1);
+
+ return latlon;
+}
+
+/* objects defined in IANA subtype 00 00 5e
+ * (right now there is only one)
+ */
+
+
+static int
+lldp_private_iana_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int hexdump = FALSE;
+ u_int subtype;
+
+ if (tlv_len < 8) {
+ return hexdump;
+ }
+ subtype = GET_U_1(tptr + 3);
+
+ ND_PRINT("\n\t %s Subtype (%u)",
+ tok2str(lldp_iana_subtype_values, "unknown", subtype),
+ subtype);
+
+ switch (subtype) {
+ case LLDP_IANA_SUBTYPE_MUDURL:
+ ND_PRINT("\n\t MUD-URL=");
+ (void)nd_printn(ndo, tptr+4, tlv_len-4, NULL);
+ break;
+ default:
+ hexdump=TRUE;
+ }
+
+ return hexdump;
+}
+
+
+
+/*
+ * Print private TIA extensions.
+ */
+static int
+lldp_private_tia_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int hexdump = FALSE;
+ u_int subtype;
+ 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 = GET_U_1(tptr + 3);
+
+ ND_PRINT("\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("\n\t Media capabilities [%s] (0x%04x)",
+ bittok2str(lldp_tia_capabilities_values, "none",
+ GET_BE_U_2(tptr + 4)), GET_BE_U_2(tptr + 4));
+ ND_PRINT("\n\t Device type [%s] (0x%02x)",
+ tok2str(lldp_tia_device_type_values, "unknown", GET_U_1(tptr + 6)),
+ GET_U_1(tptr + 6));
+ break;
+
+ case LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY:
+ if (tlv_len < 8) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t Application type [%s] (0x%02x)",
+ tok2str(lldp_tia_application_type_values, "none", GET_U_1(tptr + 4)),
+ GET_U_1(tptr + 4));
+ ND_PRINT(", Flags [%s]", bittok2str(
+ lldp_tia_network_policy_bits_values, "none", GET_U_1((tptr + 5))));
+ ND_PRINT("\n\t Vlan id %u",
+ LLDP_EXTRACT_NETWORK_POLICY_VLAN(GET_BE_U_2(tptr + 5)));
+ ND_PRINT(", L2 priority %u",
+ LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(GET_BE_U_2(tptr + 6)));
+ ND_PRINT(", DSCP value %u",
+ LLDP_EXTRACT_NETWORK_POLICY_DSCP(GET_BE_U_2(tptr + 6)));
+ break;
+
+ case LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID:
+ if (tlv_len < 5) {
+ return hexdump;
+ }
+ location_format = GET_U_1(tptr + 4);
+ ND_PRINT("\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("\n\t Latitude resolution %u, latitude value %" PRIu64,
+ (GET_U_1(tptr + 5) >> 2),
+ lldp_extract_latlon(ndo, tptr + 5));
+ ND_PRINT("\n\t Longitude resolution %u, longitude value %" PRIu64,
+ (GET_U_1(tptr + 10) >> 2),
+ lldp_extract_latlon(ndo, tptr + 10));
+ ND_PRINT("\n\t Altitude type %s (%u)",
+ tok2str(lldp_tia_location_altitude_type_values, "unknown",GET_U_1(tptr + 15) >> 4),
+ (GET_U_1(tptr + 15) >> 4));
+ ND_PRINT("\n\t Altitude resolution %u, altitude value 0x%x",
+ (GET_BE_U_2(tptr + 15)>>6)&0x3f,
+ (GET_BE_U_4(tptr + 16) & 0x3fffffff));
+ ND_PRINT("\n\t Datum %s (0x%02x)",
+ tok2str(lldp_tia_location_datum_type_values, "unknown", GET_U_1(tptr + 20)),
+ GET_U_1(tptr + 20));
+ break;
+
+ case LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ lci_len = GET_U_1(tptr + 5);
+ if (lci_len < 3) {
+ return hexdump;
+ }
+ if (tlv_len < 7+lci_len) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t LCI length %u, LCI what %s (0x%02x), Country-code ",
+ lci_len,
+ tok2str(lldp_tia_location_lci_what_values, "unknown", GET_U_1(tptr + 6)),
+ GET_U_1(tptr + 6));
+
+ /* Country code */
+ nd_printjnp(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 = GET_U_1(tptr);
+ ca_len = GET_U_1(tptr + 1);
+
+ tptr += 2;
+ lci_len -= 2;
+
+ ND_PRINT("\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;
+ }
+
+ nd_printjnp(ndo, tptr, ca_len);
+ tptr += ca_len;
+ lci_len -= ca_len;
+ }
+ break;
+
+ case LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN:
+ ND_PRINT("\n\t ECS ELIN id ");
+ nd_printjnp(ndo, tptr + 5, tlv_len - 5);
+ break;
+
+ default:
+ ND_PRINT("\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("\n\t Power type [%s]",
+ (GET_U_1(tptr + 4) & 0xC0 >> 6) ? "PD device" : "PSE device");
+ ND_PRINT(", Power source [%s]",
+ tok2str(lldp_tia_power_source_values, "none", (GET_U_1((tptr + 4)) & 0x30) >> 4));
+ ND_PRINT("\n\t Power priority [%s] (0x%02x)",
+ tok2str(lldp_tia_power_priority_values, "none", GET_U_1(tptr + 4) & 0x0f),
+ GET_U_1(tptr + 4) & 0x0f);
+ power_val = GET_BE_U_2(tptr + 5);
+ if (power_val < LLDP_TIA_POWER_VAL_MAX) {
+ ND_PRINT(", Power %.1f Watts", ((float)power_val) / 10);
+ } else {
+ ND_PRINT(", 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("\n\t %s ",
+ tok2str(lldp_tia_inventory_values, "unknown", subtype));
+ nd_printjnp(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 hexdump = FALSE;
+ u_int subtype;
+ uint16_t tval;
+ uint16_t tlv;
+ uint32_t i, pgval, uval;
+ u_int tlen, tlv_type;
+ uint16_t tlv_len;
+ const u_char *tptr, *mptr;
+
+ if (len < 4) {
+ return hexdump;
+ }
+ subtype = GET_U_1(pptr + 3);
+
+ ND_PRINT("\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_TCHECK_LEN(tptr, sizeof(tlv));
+
+ tlv = GET_BE_U_2(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_TCHECK_LEN(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("\n\t Control - Protocol Control (type 0x%x, length %u)",
+ LLDP_DCBX_CONTROL_TLV, tlv_len);
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Sequence Number: %u", GET_BE_U_4(tptr + 2));
+ ND_PRINT("\n\t Acknowledgement Number: %u",
+ GET_BE_U_4(tptr + 6));
+ break;
+ case LLDP_DCBX_PRIORITY_GROUPS_TLV:
+ if (tlv_len < 17) {
+ goto trunc;
+ }
+ ND_PRINT("\n\t Feature - Priority Group (type 0x%x, length %u)",
+ LLDP_DCBX_PRIORITY_GROUPS_TLV, tlv_len);
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Info block(0x%02X): ", GET_U_1(tptr + 2));
+ tval = GET_U_1(tptr + 2);
+ ND_PRINT("Enable bit: %u, Willing bit: %u, Error Bit: %u",
+ (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
+ (tval & 0x20) ? 1 : 0);
+ ND_PRINT("\n\t SubType: %u", GET_U_1(tptr + 3));
+ ND_PRINT("\n\t Priority Allocation");
+
+ /*
+ * Array of 8 4-bit priority group ID values; we fetch all
+ * 32 bits and extract each nibble.
+ */
+ pgval = GET_BE_U_4(tptr + 4);
+ for (i = 0; i <= 7; i++) {
+ ND_PRINT("\n\t PgId_%u: %u",
+ i, (pgval >> (28 - 4 * i)) & 0xF);
+ }
+ ND_PRINT("\n\t Priority Group Allocation");
+ for (i = 0; i <= 7; i++)
+ ND_PRINT("\n\t Pg percentage[%u]: %u", i,
+ GET_U_1(tptr + 8 + i));
+ ND_PRINT("\n\t NumTCsSupported: %u", GET_U_1(tptr + 8 + 8));
+ break;
+ case LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV:
+ if (tlv_len < 6) {
+ goto trunc;
+ }
+ ND_PRINT("\n\t Feature - Priority Flow Control");
+ ND_PRINT(" (type 0x%x, length %u)",
+ LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV, tlv_len);
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Info block(0x%02X): ", GET_U_1(tptr + 2));
+ tval = GET_U_1(tptr + 2);
+ ND_PRINT("Enable bit: %u, Willing bit: %u, Error Bit: %u",
+ (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
+ (tval & 0x20) ? 1 : 0);
+ ND_PRINT("\n\t SubType: %u", GET_U_1(tptr + 3));
+ tval = GET_U_1(tptr + 4);
+ ND_PRINT("\n\t PFC Config (0x%02X)", GET_U_1(tptr + 4));
+ for (i = 0; i <= 7; i++)
+ ND_PRINT("\n\t Priority Bit %u: %s",
+ i, (tval & (1 << i)) ? "Enabled" : "Disabled");
+ ND_PRINT("\n\t NumTCPFCSupported: %u", GET_U_1(tptr + 5));
+ break;
+ case LLDP_DCBX_APPLICATION_TLV:
+ if (tlv_len < 4) {
+ goto trunc;
+ }
+ ND_PRINT("\n\t Feature - Application (type 0x%x, length %u)",
+ LLDP_DCBX_APPLICATION_TLV, tlv_len);
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Info block(0x%02X): ", GET_U_1(tptr + 2));
+ tval = GET_U_1(tptr + 2);
+ ND_PRINT("Enable bit: %u, Willing bit: %u, Error Bit: %u",
+ (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
+ (tval & 0x20) ? 1 : 0);
+ ND_PRINT("\n\t SubType: %u", GET_U_1(tptr + 3));
+ tval = tlv_len - 4;
+ mptr = tptr + 4;
+ while (tval >= 6) {
+ ND_PRINT("\n\t Application Value");
+ ND_PRINT("\n\t Application Protocol ID: 0x%04x",
+ GET_BE_U_2(mptr));
+ uval = GET_BE_U_3(mptr + 2);
+ ND_PRINT("\n\t SF (0x%x) Application Protocol ID is %s",
+ (uval >> 22),
+ (uval >> 22) ? "Socket Number" : "L2 EtherType");
+ ND_PRINT("\n\t OUI: 0x%06x", uval & 0x3fffff);
+ ND_PRINT("\n\t User Priority Map: 0x%02x",
+ GET_U_1(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 = GET_U_1(tptr);
+ switch (af) {
+ case AFNUM_INET:
+ if (len < sizeof(nd_ipv4))
+ return NULL;
+ pfunc = ipaddr_string;
+ break;
+ case AFNUM_INET6:
+ if (len < sizeof(nd_ipv6))
+ return NULL;
+ pfunc = ip6addr_string;
+ break;
+ case AFNUM_802:
+ if (len < MAC_ADDR_LEN)
+ 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 = GET_U_1(tptr);
+ 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("\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 = GET_U_1(tptr);
+ ND_PRINT("\n\t %s Interface Numbering (%u): %u",
+ tok2str(lldp_intf_numb_subtype_values, "Unknown", intf_num_subtype),
+ intf_num_subtype,
+ GET_BE_U_4(tptr + 1));
+
+ tptr += LLDP_INTF_NUM_LEN;
+ tlen -= LLDP_INTF_NUM_LEN;
+
+ /*
+ * The OID is optional.
+ */
+ if (tlen) {
+ oid_len = GET_U_1(tptr);
+
+ if (tlen < 1U + oid_len) {
+ return 0;
+ }
+ if (oid_len) {
+ ND_PRINT("\n\t OID length %u", oid_len);
+ nd_printjnp(ndo, tptr + 1, oid_len);
+ }
+ }
+
+ return 1;
+}
+
+void
+lldp_print(netdissect_options *ndo,
+ const u_char *pptr, 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;
+
+ ndo->ndo_protocol = "lldp";
+ tptr = pptr;
+ tlen = len;
+
+ ND_PRINT("LLDP, length %u", len);
+
+ while (tlen >= sizeof(tlv)) {
+
+ ND_TCHECK_LEN(tptr, sizeof(tlv));
+
+ tlv = GET_BE_U_2(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("\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_TCHECK_LEN(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 = GET_U_1(tptr);
+ ND_PRINT("\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("%s", GET_ETHERADDR_STRING(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:
+ nd_printjnp(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("%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 = GET_U_1(tptr);
+ ND_PRINT("\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("%s", GET_ETHERADDR_STRING(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:
+ nd_printjnp(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("%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(": TTL %us", GET_BE_U_2(tptr));
+ }
+ break;
+
+ case LLDP_PORT_DESCR_TLV:
+ if (ndo->ndo_vflag) {
+ ND_PRINT(": ");
+ nd_printjnp(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(": ");
+ nd_printjnp(ndo, tptr, tlv_len);
+ break;
+
+ case LLDP_SYSTEM_DESCR_TLV:
+ if (ndo->ndo_vflag) {
+ ND_PRINT("\n\t ");
+ nd_printjnp(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 = GET_BE_U_2(tptr);
+ ena_cap = GET_BE_U_2(tptr + 2);
+ ND_PRINT("\n\t System Capabilities [%s] (0x%04x)",
+ bittok2str(lldp_cap_values, "none", cap), cap);
+ ND_PRINT("\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 = GET_BE_U_3(tptr);
+ ND_PRINT(": 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_IANA:
+ hexdump = lldp_private_iana_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_trunc(ndo);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 07:56:29 +0000