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Diffstat (limited to 'print-lldp.c')
| -rw-r--r-- | print-lldp.c | 1682 |
1 files changed, 1682 insertions, 0 deletions
diff --git a/print-lldp.c b/print-lldp.c new file mode 100644 index 0000000..f0e5f60 --- /dev/null +++ b/print-lldp.c @@ -0,0 +1,1682 @@ +/* + * 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); +} |