| /* |
| * 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 ([email protected]) |
| * IEEE and TIA extensions by Carles Kishimoto <[email protected]> |
| * DCBX extensions by Kaladhar Musunuru <[email protected]> |
| */ |
| |
| /* \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); |
| } |
