f49c5d523a
MFC after: 1 month
1614 lines
56 KiB
C
1614 lines
56 KiB
C
/*
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* Copyright (c) 1998-2007 The TCPDUMP project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* support for the IEEE Link Discovery Protocol as per 802.1AB
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*
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* Original code by Hannes Gredler (hannes@juniper.net)
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* IEEE and TIA extensions by Carles Kishimoto <carles.kishimoto@gmail.com>
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* DCBX extensions by Kaladhar Musunuru <kaladharm@sourceforge.net>
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*/
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#define NETDISSECT_REWORKED
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#include <stdio.h>
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#include "interface.h"
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#include "extract.h"
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#include "addrtoname.h"
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#include "af.h"
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#include "oui.h"
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#define LLDP_EXTRACT_TYPE(x) (((x)&0xfe00)>>9)
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#define LLDP_EXTRACT_LEN(x) ((x)&0x01ff)
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/*
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* TLV type codes
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*/
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#define LLDP_END_TLV 0
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#define LLDP_CHASSIS_ID_TLV 1
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#define LLDP_PORT_ID_TLV 2
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#define LLDP_TTL_TLV 3
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#define LLDP_PORT_DESCR_TLV 4
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#define LLDP_SYSTEM_NAME_TLV 5
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#define LLDP_SYSTEM_DESCR_TLV 6
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#define LLDP_SYSTEM_CAP_TLV 7
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#define LLDP_MGMT_ADDR_TLV 8
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#define LLDP_PRIVATE_TLV 127
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static const struct tok lldp_tlv_values[] = {
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{ LLDP_END_TLV, "End" },
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{ LLDP_CHASSIS_ID_TLV, "Chassis ID" },
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{ LLDP_PORT_ID_TLV, "Port ID" },
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{ LLDP_TTL_TLV, "Time to Live" },
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{ LLDP_PORT_DESCR_TLV, "Port Description" },
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{ LLDP_SYSTEM_NAME_TLV, "System Name" },
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{ LLDP_SYSTEM_DESCR_TLV, "System Description" },
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{ LLDP_SYSTEM_CAP_TLV, "System Capabilities" },
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{ LLDP_MGMT_ADDR_TLV, "Management Address" },
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{ LLDP_PRIVATE_TLV, "Organization specific" },
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{ 0, NULL}
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};
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/*
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* Chassis ID subtypes
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*/
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#define LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE 1
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#define LLDP_CHASSIS_INTF_ALIAS_SUBTYPE 2
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#define LLDP_CHASSIS_PORT_COMP_SUBTYPE 3
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#define LLDP_CHASSIS_MAC_ADDR_SUBTYPE 4
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#define LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE 5
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#define LLDP_CHASSIS_INTF_NAME_SUBTYPE 6
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#define LLDP_CHASSIS_LOCAL_SUBTYPE 7
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static const struct tok lldp_chassis_subtype_values[] = {
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{ LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE, "Chassis component"},
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{ LLDP_CHASSIS_INTF_ALIAS_SUBTYPE, "Interface alias"},
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{ LLDP_CHASSIS_PORT_COMP_SUBTYPE, "Port component"},
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{ LLDP_CHASSIS_MAC_ADDR_SUBTYPE, "MAC address"},
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{ LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE, "Network address"},
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{ LLDP_CHASSIS_INTF_NAME_SUBTYPE, "Interface name"},
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{ LLDP_CHASSIS_LOCAL_SUBTYPE, "Local"},
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{ 0, NULL}
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};
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/*
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* Port ID subtypes
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*/
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#define LLDP_PORT_INTF_ALIAS_SUBTYPE 1
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#define LLDP_PORT_PORT_COMP_SUBTYPE 2
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#define LLDP_PORT_MAC_ADDR_SUBTYPE 3
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#define LLDP_PORT_NETWORK_ADDR_SUBTYPE 4
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#define LLDP_PORT_INTF_NAME_SUBTYPE 5
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#define LLDP_PORT_AGENT_CIRC_ID_SUBTYPE 6
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#define LLDP_PORT_LOCAL_SUBTYPE 7
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static const struct tok lldp_port_subtype_values[] = {
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{ LLDP_PORT_INTF_ALIAS_SUBTYPE, "Interface alias"},
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{ LLDP_PORT_PORT_COMP_SUBTYPE, "Port component"},
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{ LLDP_PORT_MAC_ADDR_SUBTYPE, "MAC address"},
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{ LLDP_PORT_NETWORK_ADDR_SUBTYPE, "Network Address"},
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{ LLDP_PORT_INTF_NAME_SUBTYPE, "Interface Name"},
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{ LLDP_PORT_AGENT_CIRC_ID_SUBTYPE, "Agent circuit ID"},
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{ LLDP_PORT_LOCAL_SUBTYPE, "Local"},
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{ 0, NULL}
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};
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/*
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* System Capabilities
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*/
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#define LLDP_CAP_OTHER (1 << 0)
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#define LLDP_CAP_REPEATER (1 << 1)
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#define LLDP_CAP_BRIDGE (1 << 2)
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#define LLDP_CAP_WLAN_AP (1 << 3)
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#define LLDP_CAP_ROUTER (1 << 4)
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#define LLDP_CAP_PHONE (1 << 5)
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#define LLDP_CAP_DOCSIS (1 << 6)
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#define LLDP_CAP_STATION_ONLY (1 << 7)
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static const struct tok lldp_cap_values[] = {
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{ LLDP_CAP_OTHER, "Other"},
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{ LLDP_CAP_REPEATER, "Repeater"},
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{ LLDP_CAP_BRIDGE, "Bridge"},
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{ LLDP_CAP_WLAN_AP, "WLAN AP"},
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{ LLDP_CAP_ROUTER, "Router"},
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{ LLDP_CAP_PHONE, "Telephone"},
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{ LLDP_CAP_DOCSIS, "Docsis"},
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{ LLDP_CAP_STATION_ONLY, "Station Only"},
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{ 0, NULL}
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};
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#define LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID 1
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#define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID 2
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#define LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME 3
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#define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY 4
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#define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION 8
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#define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION 9
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#define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION 10
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#define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION 11
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#define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY 12
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#define LLDP_PRIVATE_8021_SUBTYPE_EVB 13
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#define LLDP_PRIVATE_8021_SUBTYPE_CDCP 14
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static const struct tok lldp_8021_subtype_values[] = {
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{ LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID, "Port VLAN Id"},
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{ LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID, "Port and Protocol VLAN ID"},
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{ LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME, "VLAN name"},
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{ LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY, "Protocol Identity"},
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{ LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION, "Congestion Notification"},
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{ LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION, "ETS Configuration"},
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{ LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION, "ETS Recommendation"},
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{ LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION, "Priority Flow Control Configuration"},
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{ LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY, "Application Priority"},
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{ LLDP_PRIVATE_8021_SUBTYPE_EVB, "EVB"},
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{ LLDP_PRIVATE_8021_SUBTYPE_CDCP,"CDCP"},
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{ 0, NULL}
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};
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#define LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT (1 << 1)
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#define LLDP_8021_PORT_PROTOCOL_VLAN_STATUS (1 << 2)
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static const struct tok lldp_8021_port_protocol_id_values[] = {
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{ LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT, "supported"},
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{ LLDP_8021_PORT_PROTOCOL_VLAN_STATUS, "enabled"},
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{ 0, NULL}
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};
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#define LLDP_PRIVATE_8023_SUBTYPE_MACPHY 1
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#define LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER 2
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#define LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR 3
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#define LLDP_PRIVATE_8023_SUBTYPE_MTU 4
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static const struct tok lldp_8023_subtype_values[] = {
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{ LLDP_PRIVATE_8023_SUBTYPE_MACPHY, "MAC/PHY configuration/status"},
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{ LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER, "Power via MDI"},
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{ LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR, "Link aggregation"},
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{ LLDP_PRIVATE_8023_SUBTYPE_MTU, "Max frame size"},
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{ 0, NULL}
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};
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#define LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES 1
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#define LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY 2
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#define LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID 3
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#define LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI 4
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV 5
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV 6
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV 7
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER 8
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME 9
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME 10
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#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID 11
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static const struct tok lldp_tia_subtype_values[] = {
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{ LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES, "LLDP-MED Capabilities" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY, "Network policy" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID, "Location identification" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI, "Extended power-via-MDI" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Inventory - hardware revision" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Inventory - firmware revision" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Inventory - software revision" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Inventory - serial number" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Inventory - manufacturer name" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Inventory - model name" },
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{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Inventory - asset ID" },
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{ 0, NULL}
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};
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#define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS 1
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#define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS 2
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static const struct tok lldp_tia_location_altitude_type_values[] = {
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{ LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS, "meters"},
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{ LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS, "floors"},
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{ 0, NULL}
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};
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/* ANSI/TIA-1057 - Annex B */
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#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1 1
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#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2 2
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#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3 3
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#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4 4
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#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5 5
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#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6 6
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static const struct tok lldp_tia_location_lci_catype_values[] = {
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{ LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1, "national subdivisions (state,canton,region,province,prefecture)"},
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{ LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2, "county, parish, gun, district"},
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{ LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3, "city, township, shi"},
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{ LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4, "city division, borough, city district, ward chou"},
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{ LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5, "neighborhood, block"},
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{ LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6, "street"},
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{ 0, NULL}
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};
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static const struct tok lldp_tia_location_lci_what_values[] = {
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{ 0, "location of DHCP server"},
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{ 1, "location of the network element believed to be closest to the client"},
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{ 2, "location of the client"},
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{ 0, NULL}
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};
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/*
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* From RFC 3636 - dot3MauType
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*/
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#define LLDP_MAU_TYPE_UNKNOWN 0
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#define LLDP_MAU_TYPE_AUI 1
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#define LLDP_MAU_TYPE_10BASE_5 2
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#define LLDP_MAU_TYPE_FOIRL 3
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#define LLDP_MAU_TYPE_10BASE_2 4
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#define LLDP_MAU_TYPE_10BASE_T 5
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#define LLDP_MAU_TYPE_10BASE_FP 6
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#define LLDP_MAU_TYPE_10BASE_FB 7
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#define LLDP_MAU_TYPE_10BASE_FL 8
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#define LLDP_MAU_TYPE_10BROAD36 9
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#define LLDP_MAU_TYPE_10BASE_T_HD 10
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#define LLDP_MAU_TYPE_10BASE_T_FD 11
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#define LLDP_MAU_TYPE_10BASE_FL_HD 12
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#define LLDP_MAU_TYPE_10BASE_FL_FD 13
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#define LLDP_MAU_TYPE_100BASE_T4 14
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#define LLDP_MAU_TYPE_100BASE_TX_HD 15
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#define LLDP_MAU_TYPE_100BASE_TX_FD 16
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#define LLDP_MAU_TYPE_100BASE_FX_HD 17
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#define LLDP_MAU_TYPE_100BASE_FX_FD 18
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#define LLDP_MAU_TYPE_100BASE_T2_HD 19
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#define LLDP_MAU_TYPE_100BASE_T2_FD 20
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#define LLDP_MAU_TYPE_1000BASE_X_HD 21
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#define LLDP_MAU_TYPE_1000BASE_X_FD 22
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#define LLDP_MAU_TYPE_1000BASE_LX_HD 23
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#define LLDP_MAU_TYPE_1000BASE_LX_FD 24
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#define LLDP_MAU_TYPE_1000BASE_SX_HD 25
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#define LLDP_MAU_TYPE_1000BASE_SX_FD 26
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#define LLDP_MAU_TYPE_1000BASE_CX_HD 27
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#define LLDP_MAU_TYPE_1000BASE_CX_FD 28
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#define LLDP_MAU_TYPE_1000BASE_T_HD 29
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#define LLDP_MAU_TYPE_1000BASE_T_FD 30
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#define LLDP_MAU_TYPE_10GBASE_X 31
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#define LLDP_MAU_TYPE_10GBASE_LX4 32
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#define LLDP_MAU_TYPE_10GBASE_R 33
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#define LLDP_MAU_TYPE_10GBASE_ER 34
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#define LLDP_MAU_TYPE_10GBASE_LR 35
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#define LLDP_MAU_TYPE_10GBASE_SR 36
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#define LLDP_MAU_TYPE_10GBASE_W 37
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#define LLDP_MAU_TYPE_10GBASE_EW 38
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#define LLDP_MAU_TYPE_10GBASE_LW 39
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#define LLDP_MAU_TYPE_10GBASE_SW 40
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static const struct tok lldp_mau_types_values[] = {
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{ LLDP_MAU_TYPE_UNKNOWN, "Unknown"},
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{ LLDP_MAU_TYPE_AUI, "AUI"},
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{ LLDP_MAU_TYPE_10BASE_5, "10BASE_5"},
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{ LLDP_MAU_TYPE_FOIRL, "FOIRL"},
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{ LLDP_MAU_TYPE_10BASE_2, "10BASE2"},
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{ LLDP_MAU_TYPE_10BASE_T, "10BASET duplex mode unknown"},
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{ LLDP_MAU_TYPE_10BASE_FP, "10BASEFP"},
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{ LLDP_MAU_TYPE_10BASE_FB, "10BASEFB"},
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{ LLDP_MAU_TYPE_10BASE_FL, "10BASEFL duplex mode unknown"},
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{ LLDP_MAU_TYPE_10BROAD36, "10BROAD36"},
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{ LLDP_MAU_TYPE_10BASE_T_HD, "10BASET hdx"},
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{ LLDP_MAU_TYPE_10BASE_T_FD, "10BASET fdx"},
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{ LLDP_MAU_TYPE_10BASE_FL_HD, "10BASEFL hdx"},
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{ LLDP_MAU_TYPE_10BASE_FL_FD, "10BASEFL fdx"},
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{ LLDP_MAU_TYPE_100BASE_T4, "100BASET4"},
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{ LLDP_MAU_TYPE_100BASE_TX_HD, "100BASETX hdx"},
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{ LLDP_MAU_TYPE_100BASE_TX_FD, "100BASETX fdx"},
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{ LLDP_MAU_TYPE_100BASE_FX_HD, "100BASEFX hdx"},
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{ LLDP_MAU_TYPE_100BASE_FX_FD, "100BASEFX fdx"},
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{ LLDP_MAU_TYPE_100BASE_T2_HD, "100BASET2 hdx"},
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{ LLDP_MAU_TYPE_100BASE_T2_FD, "100BASET2 fdx"},
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{ LLDP_MAU_TYPE_1000BASE_X_HD, "1000BASEX hdx"},
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{ LLDP_MAU_TYPE_1000BASE_X_FD, "1000BASEX fdx"},
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{ LLDP_MAU_TYPE_1000BASE_LX_HD, "1000BASELX hdx"},
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{ LLDP_MAU_TYPE_1000BASE_LX_FD, "1000BASELX fdx"},
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{ LLDP_MAU_TYPE_1000BASE_SX_HD, "1000BASESX hdx"},
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{ LLDP_MAU_TYPE_1000BASE_SX_FD, "1000BASESX fdx"},
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{ LLDP_MAU_TYPE_1000BASE_CX_HD, "1000BASECX hdx"},
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{ LLDP_MAU_TYPE_1000BASE_CX_FD, "1000BASECX fdx"},
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{ LLDP_MAU_TYPE_1000BASE_T_HD, "1000BASET hdx"},
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{ LLDP_MAU_TYPE_1000BASE_T_FD, "1000BASET fdx"},
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{ LLDP_MAU_TYPE_10GBASE_X, "10GBASEX"},
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{ LLDP_MAU_TYPE_10GBASE_LX4, "10GBASELX4"},
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{ LLDP_MAU_TYPE_10GBASE_R, "10GBASER"},
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{ LLDP_MAU_TYPE_10GBASE_ER, "10GBASEER"},
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{ LLDP_MAU_TYPE_10GBASE_LR, "10GBASELR"},
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{ LLDP_MAU_TYPE_10GBASE_SR, "10GBASESR"},
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{ LLDP_MAU_TYPE_10GBASE_W, "10GBASEW"},
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{ LLDP_MAU_TYPE_10GBASE_EW, "10GBASEEW"},
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{ LLDP_MAU_TYPE_10GBASE_LW, "10GBASELW"},
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{ LLDP_MAU_TYPE_10GBASE_SW, "10GBASESW"},
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{ 0, NULL}
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};
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#define LLDP_8023_AUTONEGOTIATION_SUPPORT (1 << 0)
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#define LLDP_8023_AUTONEGOTIATION_STATUS (1 << 1)
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static const struct tok lldp_8023_autonegotiation_values[] = {
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{ LLDP_8023_AUTONEGOTIATION_SUPPORT, "supported"},
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{ LLDP_8023_AUTONEGOTIATION_STATUS, "enabled"},
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{ 0, NULL}
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};
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#define LLDP_TIA_CAPABILITY_MED (1 << 0)
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#define LLDP_TIA_CAPABILITY_NETWORK_POLICY (1 << 1)
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#define LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION (1 << 2)
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#define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE (1 << 3)
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#define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD (1 << 4)
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#define LLDP_TIA_CAPABILITY_INVENTORY (1 << 5)
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static const struct tok lldp_tia_capabilities_values[] = {
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{ LLDP_TIA_CAPABILITY_MED, "LLDP-MED capabilities"},
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{ LLDP_TIA_CAPABILITY_NETWORK_POLICY, "network policy"},
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{ LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION, "location identification"},
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{ LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE, "extended power via MDI-PSE"},
|
|
{ LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD, "extended power via MDI-PD"},
|
|
{ LLDP_TIA_CAPABILITY_INVENTORY, "Inventory"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1 1
|
|
#define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2 2
|
|
#define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3 3
|
|
#define LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY 4
|
|
|
|
static const struct tok lldp_tia_device_type_values[] = {
|
|
{ LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1, "endpoint class 1"},
|
|
{ LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2, "endpoint class 2"},
|
|
{ LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3, "endpoint class 3"},
|
|
{ LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY, "network connectivity"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_APPLICATION_TYPE_VOICE 1
|
|
#define LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING 2
|
|
#define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE 3
|
|
#define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING 4
|
|
#define LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE 5
|
|
#define LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING 6
|
|
#define LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO 7
|
|
#define LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING 8
|
|
|
|
static const struct tok lldp_tia_application_type_values[] = {
|
|
{ LLDP_TIA_APPLICATION_TYPE_VOICE, "voice"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING, "voice signaling"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE, "guest voice"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING, "guest voice signaling"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE, "softphone voice"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING, "video conferencing"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO, "streaming video"},
|
|
{ LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING, "video signaling"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_NETWORK_POLICY_X_BIT (1 << 5)
|
|
#define LLDP_TIA_NETWORK_POLICY_T_BIT (1 << 6)
|
|
#define LLDP_TIA_NETWORK_POLICY_U_BIT (1 << 7)
|
|
|
|
static const struct tok lldp_tia_network_policy_bits_values[] = {
|
|
{ LLDP_TIA_NETWORK_POLICY_U_BIT, "Unknown"},
|
|
{ LLDP_TIA_NETWORK_POLICY_T_BIT, "Tagged"},
|
|
{ LLDP_TIA_NETWORK_POLICY_X_BIT, "reserved"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_EXTRACT_NETWORK_POLICY_VLAN(x) (((x)&0x1ffe)>>1)
|
|
#define LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(x) (((x)&0x01ff)>>6)
|
|
#define LLDP_EXTRACT_NETWORK_POLICY_DSCP(x) ((x)&0x003f)
|
|
|
|
#define LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED 1
|
|
#define LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS 2
|
|
#define LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN 3
|
|
|
|
static const struct tok lldp_tia_location_data_format_values[] = {
|
|
{ LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED, "coordinate-based LCI"},
|
|
{ LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS, "civic address LCI"},
|
|
{ LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN, "ECS ELIN"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_LOCATION_DATUM_WGS_84 1
|
|
#define LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88 2
|
|
#define LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW 3
|
|
|
|
static const struct tok lldp_tia_location_datum_type_values[] = {
|
|
{ LLDP_TIA_LOCATION_DATUM_WGS_84, "World Geodesic System 1984"},
|
|
{ LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88, "North American Datum 1983 (NAVD88)"},
|
|
{ LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW, "North American Datum 1983 (MLLW)"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_POWER_SOURCE_PSE 1
|
|
#define LLDP_TIA_POWER_SOURCE_LOCAL 2
|
|
#define LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL 3
|
|
|
|
static const struct tok lldp_tia_power_source_values[] = {
|
|
{ LLDP_TIA_POWER_SOURCE_PSE, "PSE - primary power source"},
|
|
{ LLDP_TIA_POWER_SOURCE_LOCAL, "local - backup power source"},
|
|
{ LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL, "PSE+local - reserved"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_POWER_PRIORITY_CRITICAL 1
|
|
#define LLDP_TIA_POWER_PRIORITY_HIGH 2
|
|
#define LLDP_TIA_POWER_PRIORITY_LOW 3
|
|
|
|
static const struct tok lldp_tia_power_priority_values[] = {
|
|
{ LLDP_TIA_POWER_PRIORITY_CRITICAL, "critical"},
|
|
{ LLDP_TIA_POWER_PRIORITY_HIGH, "high"},
|
|
{ LLDP_TIA_POWER_PRIORITY_LOW, "low"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_TIA_POWER_VAL_MAX 1024
|
|
|
|
static const struct tok lldp_tia_inventory_values[] = {
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Hardware revision" },
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Firmware revision" },
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Software revision" },
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Serial number" },
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Manufacturer name" },
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Model name" },
|
|
{ LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Asset ID" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/*
|
|
* From RFC 3636 - ifMauAutoNegCapAdvertisedBits
|
|
*/
|
|
#define LLDP_MAU_PMD_OTHER (1 << 15)
|
|
#define LLDP_MAU_PMD_10BASE_T (1 << 14)
|
|
#define LLDP_MAU_PMD_10BASE_T_FD (1 << 13)
|
|
#define LLDP_MAU_PMD_100BASE_T4 (1 << 12)
|
|
#define LLDP_MAU_PMD_100BASE_TX (1 << 11)
|
|
#define LLDP_MAU_PMD_100BASE_TX_FD (1 << 10)
|
|
#define LLDP_MAU_PMD_100BASE_T2 (1 << 9)
|
|
#define LLDP_MAU_PMD_100BASE_T2_FD (1 << 8)
|
|
#define LLDP_MAU_PMD_FDXPAUSE (1 << 7)
|
|
#define LLDP_MAU_PMD_FDXAPAUSE (1 << 6)
|
|
#define LLDP_MAU_PMD_FDXSPAUSE (1 << 5)
|
|
#define LLDP_MAU_PMD_FDXBPAUSE (1 << 4)
|
|
#define LLDP_MAU_PMD_1000BASE_X (1 << 3)
|
|
#define LLDP_MAU_PMD_1000BASE_X_FD (1 << 2)
|
|
#define LLDP_MAU_PMD_1000BASE_T (1 << 1)
|
|
#define LLDP_MAU_PMD_1000BASE_T_FD (1 << 0)
|
|
|
|
static const struct tok lldp_pmd_capability_values[] = {
|
|
{ LLDP_MAU_PMD_10BASE_T, "10BASE-T hdx"},
|
|
{ LLDP_MAU_PMD_10BASE_T_FD, "10BASE-T fdx"},
|
|
{ LLDP_MAU_PMD_100BASE_T4, "100BASE-T4"},
|
|
{ LLDP_MAU_PMD_100BASE_TX, "100BASE-TX hdx"},
|
|
{ LLDP_MAU_PMD_100BASE_TX_FD, "100BASE-TX fdx"},
|
|
{ LLDP_MAU_PMD_100BASE_T2, "100BASE-T2 hdx"},
|
|
{ LLDP_MAU_PMD_100BASE_T2_FD, "100BASE-T2 fdx"},
|
|
{ LLDP_MAU_PMD_FDXPAUSE, "Pause for fdx links"},
|
|
{ LLDP_MAU_PMD_FDXAPAUSE, "Asym PAUSE for fdx"},
|
|
{ LLDP_MAU_PMD_FDXSPAUSE, "Sym PAUSE for fdx"},
|
|
{ LLDP_MAU_PMD_FDXBPAUSE, "Asym and Sym PAUSE for fdx"},
|
|
{ LLDP_MAU_PMD_1000BASE_X, "1000BASE-{X LX SX CX} hdx"},
|
|
{ LLDP_MAU_PMD_1000BASE_X_FD, "1000BASE-{X LX SX CX} fdx"},
|
|
{ LLDP_MAU_PMD_1000BASE_T, "1000BASE-T hdx"},
|
|
{ LLDP_MAU_PMD_1000BASE_T_FD, "1000BASE-T fdx"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_MDI_PORT_CLASS (1 << 0)
|
|
#define LLDP_MDI_POWER_SUPPORT (1 << 1)
|
|
#define LLDP_MDI_POWER_STATE (1 << 2)
|
|
#define LLDP_MDI_PAIR_CONTROL_ABILITY (1 << 3)
|
|
|
|
static const struct tok lldp_mdi_values[] = {
|
|
{ LLDP_MDI_PORT_CLASS, "PSE"},
|
|
{ LLDP_MDI_POWER_SUPPORT, "supported"},
|
|
{ LLDP_MDI_POWER_STATE, "enabled"},
|
|
{ LLDP_MDI_PAIR_CONTROL_ABILITY, "can be controlled"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_MDI_PSE_PORT_POWER_PAIRS_SIGNAL 1
|
|
#define LLDP_MDI_PSE_PORT_POWER_PAIRS_SPARE 2
|
|
|
|
static const struct tok lldp_mdi_power_pairs_values[] = {
|
|
{ LLDP_MDI_PSE_PORT_POWER_PAIRS_SIGNAL, "signal"},
|
|
{ LLDP_MDI_PSE_PORT_POWER_PAIRS_SPARE, "spare"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_MDI_POWER_CLASS0 1
|
|
#define LLDP_MDI_POWER_CLASS1 2
|
|
#define LLDP_MDI_POWER_CLASS2 3
|
|
#define LLDP_MDI_POWER_CLASS3 4
|
|
#define LLDP_MDI_POWER_CLASS4 5
|
|
|
|
static const struct tok lldp_mdi_power_class_values[] = {
|
|
{ LLDP_MDI_POWER_CLASS0, "class0"},
|
|
{ LLDP_MDI_POWER_CLASS1, "class1"},
|
|
{ LLDP_MDI_POWER_CLASS2, "class2"},
|
|
{ LLDP_MDI_POWER_CLASS3, "class3"},
|
|
{ LLDP_MDI_POWER_CLASS4, "class4"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_AGGREGATION_CAPABILTIY (1 << 0)
|
|
#define LLDP_AGGREGATION_STATUS (1 << 1)
|
|
|
|
static const struct tok lldp_aggregation_values[] = {
|
|
{ LLDP_AGGREGATION_CAPABILTIY, "supported"},
|
|
{ LLDP_AGGREGATION_STATUS, "enabled"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/*
|
|
* DCBX protocol subtypes.
|
|
*/
|
|
#define LLDP_DCBX_SUBTYPE_1 1
|
|
#define LLDP_DCBX_SUBTYPE_2 2
|
|
|
|
static const struct tok lldp_dcbx_subtype_values[] = {
|
|
{ LLDP_DCBX_SUBTYPE_1, "DCB Capability Exchange Protocol Rev 1" },
|
|
{ LLDP_DCBX_SUBTYPE_2, "DCB Capability Exchange Protocol Rev 1.01" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_DCBX_CONTROL_TLV 1
|
|
#define LLDP_DCBX_PRIORITY_GROUPS_TLV 2
|
|
#define LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV 3
|
|
#define LLDP_DCBX_APPLICATION_TLV 4
|
|
|
|
/*
|
|
* Interface numbering subtypes.
|
|
*/
|
|
#define LLDP_INTF_NUMB_IFX_SUBTYPE 2
|
|
#define LLDP_INTF_NUMB_SYSPORT_SUBTYPE 3
|
|
|
|
static const struct tok lldp_intf_numb_subtype_values[] = {
|
|
{ LLDP_INTF_NUMB_IFX_SUBTYPE, "Interface Index" },
|
|
{ LLDP_INTF_NUMB_SYSPORT_SUBTYPE, "System Port Number" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define LLDP_INTF_NUM_LEN 5
|
|
|
|
#define LLDP_EVB_MODE_NOT_SUPPORTED 0
|
|
#define LLDP_EVB_MODE_EVB_BRIDGE 1
|
|
#define LLDP_EVB_MODE_EVB_STATION 2
|
|
#define LLDP_EVB_MODE_RESERVED 3
|
|
|
|
static const struct tok lldp_evb_mode_values[]={
|
|
{ LLDP_EVB_MODE_NOT_SUPPORTED, "Not Supported"},
|
|
{ LLDP_EVB_MODE_EVB_BRIDGE, "EVB Bridge"},
|
|
{ LLDP_EVB_MODE_EVB_STATION, "EVB Staion"},
|
|
{ LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"},
|
|
};
|
|
|
|
#define NO_OF_BITS 8
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH 6
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH 25
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH 25
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH 6
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH 5
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH 9
|
|
#define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH 8
|
|
|
|
static void
|
|
print_ets_priority_assignment_table(netdissect_options *ndo,
|
|
const u_char *ptr)
|
|
{
|
|
ND_PRINT((ndo, "\n\t Priority Assignment Table"));
|
|
ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
|
|
ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
|
|
ptr[0]>>4,ptr[0]&0x0f,ptr[1]>>4,ptr[1]&0x0f,ptr[2]>>4,
|
|
ptr[2] & 0x0f, ptr[3] >> 4, ptr[3] & 0x0f));
|
|
}
|
|
|
|
static void
|
|
print_tc_bandwidth_table(netdissect_options *ndo,
|
|
const u_char *ptr)
|
|
{
|
|
ND_PRINT((ndo, "\n\t TC Bandwidth Table"));
|
|
ND_PRINT((ndo, "\n\t TC%% : 0 1 2 3 4 5 6 7"));
|
|
ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
|
|
ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7]));
|
|
}
|
|
|
|
static void
|
|
print_tsa_assignment_table(netdissect_options *ndo,
|
|
const u_char *ptr)
|
|
{
|
|
ND_PRINT((ndo, "\n\t TSA Assignment Table"));
|
|
ND_PRINT((ndo, "\n\t Traffic Class: 0 1 2 3 4 5 6 7"));
|
|
ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
|
|
ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7]));
|
|
}
|
|
|
|
/*
|
|
* Print IEEE 802.1 private extensions. (802.1AB annex E)
|
|
*/
|
|
static int
|
|
lldp_private_8021_print(netdissect_options *ndo,
|
|
const u_char *tptr, u_int tlv_len)
|
|
{
|
|
int subtype, hexdump = FALSE;
|
|
u_int sublen;
|
|
u_int tval;
|
|
uint8_t i;
|
|
|
|
if (tlv_len < 4) {
|
|
return hexdump;
|
|
}
|
|
subtype = *(tptr+3);
|
|
|
|
ND_PRINT((ndo, "\n\t %s Subtype (%u)",
|
|
tok2str(lldp_8021_subtype_values, "unknown", subtype),
|
|
subtype));
|
|
|
|
switch (subtype) {
|
|
case LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID:
|
|
if (tlv_len < 6) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t port vlan id (PVID): %u",
|
|
EXTRACT_16BITS(tptr + 4)));
|
|
break;
|
|
case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID:
|
|
if (tlv_len < 7) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
|
|
EXTRACT_16BITS(tptr+5),
|
|
bittok2str(lldp_8021_port_protocol_id_values, "none", *(tptr+4)),
|
|
*(tptr + 4)));
|
|
break;
|
|
case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME:
|
|
if (tlv_len < 6) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t vlan id (VID): %u", EXTRACT_16BITS(tptr + 4)));
|
|
if (tlv_len < 7) {
|
|
return hexdump;
|
|
}
|
|
sublen = *(tptr+6);
|
|
if (tlv_len < 7+sublen) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t vlan name: "));
|
|
safeputs(ndo, tptr + 7, sublen);
|
|
break;
|
|
case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY:
|
|
if (tlv_len < 5) {
|
|
return hexdump;
|
|
}
|
|
sublen = *(tptr+4);
|
|
if (tlv_len < 5+sublen) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t protocol identity: "));
|
|
safeputs(ndo, tptr + 5, sublen);
|
|
break;
|
|
case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){
|
|
return hexdump;
|
|
}
|
|
tval=*(tptr+4);
|
|
ND_PRINT((ndo, "\n\t Pre-Priority CNPV Indicator"));
|
|
ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
|
|
ND_PRINT((ndo, "\n\t Value : "));
|
|
for(i=0;i<NO_OF_BITS;i++)
|
|
ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
|
|
tval=*(tptr+5);
|
|
ND_PRINT((ndo, "\n\t Pre-Priority Ready Indicator"));
|
|
ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
|
|
ND_PRINT((ndo, "\n\t Value : "));
|
|
for(i=0;i<NO_OF_BITS;i++)
|
|
ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH) {
|
|
return hexdump;
|
|
}
|
|
tval=*(tptr+4);
|
|
ND_PRINT((ndo, "\n\t Willing:%d, CBS:%d, RES:%d, Max TCs:%d",
|
|
tval >> 7, (tval >> 6) & 0x02, (tval >> 3) & 0x07, tval & 0x07));
|
|
|
|
/*Print Priority Assignment Table*/
|
|
print_ets_priority_assignment_table(ndo, tptr + 5);
|
|
|
|
/*Print TC Bandwidth Table*/
|
|
print_tc_bandwidth_table(ndo, tptr + 9);
|
|
|
|
/* Print TSA Assignment Table */
|
|
print_tsa_assignment_table(ndo, tptr + 17);
|
|
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t RES: %d", *(tptr + 4)));
|
|
/*Print Priority Assignment Table */
|
|
print_ets_priority_assignment_table(ndo, tptr + 5);
|
|
/*Print TC Bandwidth Table */
|
|
print_tc_bandwidth_table(ndo, tptr + 9);
|
|
/* Print TSA Assignment Table */
|
|
print_tsa_assignment_table(ndo, tptr + 17);
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH) {
|
|
return hexdump;
|
|
}
|
|
tval=*(tptr+4);
|
|
ND_PRINT((ndo, "\n\t Willing: %d, MBC: %d, RES: %d, PFC cap:%d ",
|
|
tval >> 7, (tval >> 6) & 0x01, (tval >> 4) & 0x03, (tval & 0x0f)));
|
|
ND_PRINT((ndo, "\n\t PFC Enable"));
|
|
tval=*(tptr+5);
|
|
ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
|
|
ND_PRINT((ndo, "\n\t Value : "));
|
|
for(i=0;i<NO_OF_BITS;i++)
|
|
ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t RES: %d", *(tptr + 4)));
|
|
if(tlv_len<=LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH){
|
|
return hexdump;
|
|
}
|
|
/* Length of Application Priority Table */
|
|
sublen=tlv_len-5;
|
|
if(sublen%3!=0){
|
|
return hexdump;
|
|
}
|
|
i=0;
|
|
ND_PRINT((ndo, "\n\t Application Priority Table"));
|
|
while(i<sublen) {
|
|
tval=*(tptr+i+5);
|
|
ND_PRINT((ndo, "\n\t Priority: %d, RES: %d, Sel: %d",
|
|
tval >> 5, (tval >> 3) & 0x03, (tval & 0x07)));
|
|
ND_PRINT((ndo, "Protocol ID: %d", EXTRACT_16BITS(tptr + i + 5)));
|
|
i=i+3;
|
|
}
|
|
break;
|
|
case LLDP_PRIVATE_8021_SUBTYPE_EVB:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t EVB Bridge Status"));
|
|
tval=*(tptr+4);
|
|
ND_PRINT((ndo, "\n\t RES: %d, BGID: %d, RRCAP: %d, RRCTR: %d",
|
|
tval >> 3, (tval >> 2) & 0x01, (tval >> 1) & 0x01, tval & 0x01));
|
|
ND_PRINT((ndo, "\n\t EVB Station Status"));
|
|
tval=*(tptr+5);
|
|
ND_PRINT((ndo, "\n\t RES: %d, SGID: %d, RRREQ: %d,RRSTAT: %d",
|
|
tval >> 4, (tval >> 3) & 0x01, (tval >> 2) & 0x01, tval & 0x03));
|
|
tval=*(tptr+6);
|
|
ND_PRINT((ndo, "\n\t R: %d, RTE: %d, ",tval >> 5, tval & 0x1f));
|
|
tval=*(tptr+7);
|
|
ND_PRINT((ndo, "EVB Mode: %s [%d]",
|
|
tok2str(lldp_evb_mode_values, "unknown", tval >> 6), tval >> 6));
|
|
ND_PRINT((ndo, "\n\t ROL: %d, RWD: %d, ", (tval >> 5) & 0x01, tval & 0x1f));
|
|
tval=*(tptr+8);
|
|
ND_PRINT((ndo, "RES: %d, ROL: %d, RKA: %d", tval >> 6, (tval >> 5) & 0x01, tval & 0x1f));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8021_SUBTYPE_CDCP:
|
|
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH){
|
|
return hexdump;
|
|
}
|
|
tval=*(tptr+4);
|
|
ND_PRINT((ndo, "\n\t Role: %d, RES: %d, Scomp: %d ",
|
|
tval >> 7, (tval >> 4) & 0x07, (tval >> 3) & 0x01));
|
|
ND_PRINT((ndo, "ChnCap: %d", EXTRACT_16BITS(tptr + 6) & 0x0fff));
|
|
sublen=tlv_len-8;
|
|
if(sublen%3!=0) {
|
|
return hexdump;
|
|
}
|
|
i=0;
|
|
while(i<sublen) {
|
|
tval=EXTRACT_24BITS(tptr+i+8);
|
|
ND_PRINT((ndo, "\n\t SCID: %d, SVID: %d",
|
|
tval >> 12, tval & 0x000fff));
|
|
i=i+3;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
|
|
return hexdump;
|
|
}
|
|
|
|
/*
|
|
* Print IEEE 802.3 private extensions. (802.3bc)
|
|
*/
|
|
static int
|
|
lldp_private_8023_print(netdissect_options *ndo,
|
|
const u_char *tptr, u_int tlv_len)
|
|
{
|
|
int subtype, hexdump = FALSE;
|
|
|
|
if (tlv_len < 4) {
|
|
return hexdump;
|
|
}
|
|
subtype = *(tptr+3);
|
|
|
|
ND_PRINT((ndo, "\n\t %s Subtype (%u)",
|
|
tok2str(lldp_8023_subtype_values, "unknown", subtype),
|
|
subtype));
|
|
|
|
switch (subtype) {
|
|
case LLDP_PRIVATE_8023_SUBTYPE_MACPHY:
|
|
if (tlv_len < 9) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t autonegotiation [%s] (0x%02x)",
|
|
bittok2str(lldp_8023_autonegotiation_values, "none", *(tptr+4)),
|
|
*(tptr + 4)));
|
|
ND_PRINT((ndo, "\n\t PMD autoneg capability [%s] (0x%04x)",
|
|
bittok2str(lldp_pmd_capability_values,"unknown", EXTRACT_16BITS(tptr+5)),
|
|
EXTRACT_16BITS(tptr + 5)));
|
|
ND_PRINT((ndo, "\n\t MAU type %s (0x%04x)",
|
|
tok2str(lldp_mau_types_values, "unknown", EXTRACT_16BITS(tptr+7)),
|
|
EXTRACT_16BITS(tptr + 7)));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER:
|
|
if (tlv_len < 7) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t MDI power support [%s], power pair %s, power class %s",
|
|
bittok2str(lldp_mdi_values, "none", *(tptr+4)),
|
|
tok2str(lldp_mdi_power_pairs_values, "unknown", *(tptr+5)),
|
|
tok2str(lldp_mdi_power_class_values, "unknown", *(tptr + 6))));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR:
|
|
if (tlv_len < 9) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t aggregation status [%s], aggregation port ID %u",
|
|
bittok2str(lldp_aggregation_values, "none", *(tptr+4)),
|
|
EXTRACT_32BITS(tptr + 5)));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_8023_SUBTYPE_MTU:
|
|
ND_PRINT((ndo, "\n\t MTU size %u", EXTRACT_16BITS(tptr + 4)));
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
|
|
return hexdump;
|
|
}
|
|
|
|
/*
|
|
* Extract 34bits of latitude/longitude coordinates.
|
|
*/
|
|
static uint64_t
|
|
lldp_extract_latlon(const u_char *tptr)
|
|
{
|
|
uint64_t latlon;
|
|
|
|
latlon = *tptr & 0x3;
|
|
latlon = (latlon << 32) | EXTRACT_32BITS(tptr+1);
|
|
|
|
return latlon;
|
|
}
|
|
|
|
/*
|
|
* Print private TIA extensions.
|
|
*/
|
|
static int
|
|
lldp_private_tia_print(netdissect_options *ndo,
|
|
const u_char *tptr, u_int tlv_len)
|
|
{
|
|
int subtype, hexdump = FALSE;
|
|
uint8_t location_format;
|
|
uint16_t power_val;
|
|
u_int lci_len;
|
|
uint8_t ca_type, ca_len;
|
|
|
|
if (tlv_len < 4) {
|
|
return hexdump;
|
|
}
|
|
subtype = *(tptr+3);
|
|
|
|
ND_PRINT((ndo, "\n\t %s Subtype (%u)",
|
|
tok2str(lldp_tia_subtype_values, "unknown", subtype),
|
|
subtype));
|
|
|
|
switch (subtype) {
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES:
|
|
if (tlv_len < 7) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Media capabilities [%s] (0x%04x)",
|
|
bittok2str(lldp_tia_capabilities_values, "none",
|
|
EXTRACT_16BITS(tptr + 4)), EXTRACT_16BITS(tptr + 4)));
|
|
ND_PRINT((ndo, "\n\t Device type [%s] (0x%02x)",
|
|
tok2str(lldp_tia_device_type_values, "unknown", *(tptr+6)),
|
|
*(tptr + 6)));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY:
|
|
if (tlv_len < 8) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Application type [%s] (0x%02x)",
|
|
tok2str(lldp_tia_application_type_values, "none", *(tptr+4)),
|
|
*(tptr + 4)));
|
|
ND_PRINT((ndo, ", Flags [%s]", bittok2str(
|
|
lldp_tia_network_policy_bits_values, "none", *(tptr + 5))));
|
|
ND_PRINT((ndo, "\n\t Vlan id %u",
|
|
LLDP_EXTRACT_NETWORK_POLICY_VLAN(EXTRACT_16BITS(tptr + 5))));
|
|
ND_PRINT((ndo, ", L2 priority %u",
|
|
LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(EXTRACT_16BITS(tptr + 6))));
|
|
ND_PRINT((ndo, ", DSCP value %u",
|
|
LLDP_EXTRACT_NETWORK_POLICY_DSCP(EXTRACT_16BITS(tptr + 6))));
|
|
break;
|
|
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID:
|
|
if (tlv_len < 5) {
|
|
return hexdump;
|
|
}
|
|
location_format = *(tptr+4);
|
|
ND_PRINT((ndo, "\n\t Location data format %s (0x%02x)",
|
|
tok2str(lldp_tia_location_data_format_values, "unknown", location_format),
|
|
location_format));
|
|
|
|
switch (location_format) {
|
|
case LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED:
|
|
if (tlv_len < 21) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Latitude resolution %u, latitude value %" PRIu64,
|
|
(*(tptr + 5) >> 2), lldp_extract_latlon(tptr + 5)));
|
|
ND_PRINT((ndo, "\n\t Longitude resolution %u, longitude value %" PRIu64,
|
|
(*(tptr + 10) >> 2), lldp_extract_latlon(tptr + 10)));
|
|
ND_PRINT((ndo, "\n\t Altitude type %s (%u)",
|
|
tok2str(lldp_tia_location_altitude_type_values, "unknown",(*(tptr+15)>>4)),
|
|
(*(tptr + 15) >> 4)));
|
|
ND_PRINT((ndo, "\n\t Altitude resolution %u, altitude value 0x%x",
|
|
(EXTRACT_16BITS(tptr+15)>>6)&0x3f,
|
|
((EXTRACT_32BITS(tptr + 16) & 0x3fffffff))));
|
|
ND_PRINT((ndo, "\n\t Datum %s (0x%02x)",
|
|
tok2str(lldp_tia_location_datum_type_values, "unknown", *(tptr+20)),
|
|
*(tptr + 20)));
|
|
break;
|
|
|
|
case LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS:
|
|
if (tlv_len < 6) {
|
|
return hexdump;
|
|
}
|
|
lci_len = *(tptr+5);
|
|
if (lci_len < 3) {
|
|
return hexdump;
|
|
}
|
|
if (tlv_len < 7+lci_len) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t LCI length %u, LCI what %s (0x%02x), Country-code ",
|
|
lci_len,
|
|
tok2str(lldp_tia_location_lci_what_values, "unknown", *(tptr+6)),
|
|
*(tptr + 6)));
|
|
|
|
/* Country code */
|
|
safeputs(ndo, tptr + 7, 2);
|
|
|
|
lci_len = lci_len-3;
|
|
tptr = tptr + 9;
|
|
|
|
/* Decode each civic address element */
|
|
while (lci_len > 0) {
|
|
if (lci_len < 2) {
|
|
return hexdump;
|
|
}
|
|
ca_type = *(tptr);
|
|
ca_len = *(tptr+1);
|
|
|
|
tptr += 2;
|
|
lci_len -= 2;
|
|
|
|
ND_PRINT((ndo, "\n\t CA type \'%s\' (%u), length %u: ",
|
|
tok2str(lldp_tia_location_lci_catype_values, "unknown", ca_type),
|
|
ca_type, ca_len));
|
|
|
|
/* basic sanity check */
|
|
if ( ca_type == 0 || ca_len == 0) {
|
|
return hexdump;
|
|
}
|
|
if (lci_len < ca_len) {
|
|
return hexdump;
|
|
}
|
|
|
|
safeputs(ndo, tptr, ca_len);
|
|
tptr += ca_len;
|
|
lci_len -= ca_len;
|
|
}
|
|
break;
|
|
|
|
case LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN:
|
|
ND_PRINT((ndo, "\n\t ECS ELIN id "));
|
|
safeputs(ndo, tptr + 5, tlv_len - 5);
|
|
break;
|
|
|
|
default:
|
|
ND_PRINT((ndo, "\n\t Location ID "));
|
|
print_unknown_data(ndo, tptr + 5, "\n\t ", tlv_len - 5);
|
|
}
|
|
break;
|
|
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI:
|
|
if (tlv_len < 7) {
|
|
return hexdump;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Power type [%s]",
|
|
(*(tptr + 4) & 0xC0 >> 6) ? "PD device" : "PSE device"));
|
|
ND_PRINT((ndo, ", Power source [%s]",
|
|
tok2str(lldp_tia_power_source_values, "none", (*(tptr + 4) & 0x30) >> 4)));
|
|
ND_PRINT((ndo, "\n\t Power priority [%s] (0x%02x)",
|
|
tok2str(lldp_tia_power_priority_values, "none", *(tptr+4)&0x0f),
|
|
*(tptr + 4) & 0x0f));
|
|
power_val = EXTRACT_16BITS(tptr+5);
|
|
if (power_val < LLDP_TIA_POWER_VAL_MAX) {
|
|
ND_PRINT((ndo, ", Power %.1f Watts", ((float)power_val) / 10));
|
|
} else {
|
|
ND_PRINT((ndo, ", Power %u (Reserved)", power_val));
|
|
}
|
|
break;
|
|
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV:
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV:
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV:
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER:
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME:
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME:
|
|
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID:
|
|
ND_PRINT((ndo, "\n\t %s ",
|
|
tok2str(lldp_tia_inventory_values, "unknown", subtype)));
|
|
safeputs(ndo, tptr + 4, tlv_len - 4);
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
|
|
return hexdump;
|
|
}
|
|
|
|
/*
|
|
* Print DCBX Protocol fields (V 1.01).
|
|
*/
|
|
static int
|
|
lldp_private_dcbx_print(netdissect_options *ndo,
|
|
const u_char *pptr, u_int len)
|
|
{
|
|
int subtype, hexdump = FALSE;
|
|
uint8_t tval;
|
|
uint16_t tlv;
|
|
uint32_t i, pgval, uval;
|
|
u_int tlen, tlv_type, tlv_len;
|
|
const u_char *tptr, *mptr;
|
|
|
|
if (len < 4) {
|
|
return hexdump;
|
|
}
|
|
subtype = *(pptr+3);
|
|
|
|
ND_PRINT((ndo, "\n\t %s Subtype (%u)",
|
|
tok2str(lldp_dcbx_subtype_values, "unknown", subtype),
|
|
subtype));
|
|
|
|
/* by passing old version */
|
|
if (subtype == LLDP_DCBX_SUBTYPE_1)
|
|
return TRUE;
|
|
|
|
tptr = pptr + 4;
|
|
tlen = len - 4;
|
|
|
|
while (tlen >= sizeof(tlv)) {
|
|
|
|
ND_TCHECK2(*tptr, sizeof(tlv));
|
|
|
|
tlv = EXTRACT_16BITS(tptr);
|
|
|
|
tlv_type = LLDP_EXTRACT_TYPE(tlv);
|
|
tlv_len = LLDP_EXTRACT_LEN(tlv);
|
|
hexdump = FALSE;
|
|
|
|
tlen -= sizeof(tlv);
|
|
tptr += sizeof(tlv);
|
|
|
|
/* loop check */
|
|
if (!tlv_type || !tlv_len) {
|
|
break;
|
|
}
|
|
|
|
ND_TCHECK2(*tptr, tlv_len);
|
|
if (tlen < tlv_len) {
|
|
goto trunc;
|
|
}
|
|
|
|
/* decode every tlv */
|
|
switch (tlv_type) {
|
|
case LLDP_DCBX_CONTROL_TLV:
|
|
if (tlv_len < 10) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Control - Protocol Control (type 0x%x, length %d)",
|
|
LLDP_DCBX_CONTROL_TLV, tlv_len));
|
|
ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
|
|
ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
|
|
ND_PRINT((ndo, "\n\t Sequence Number: %d", EXTRACT_32BITS(tptr + 2)));
|
|
ND_PRINT((ndo, "\n\t Acknowledgement Number: %d",
|
|
EXTRACT_32BITS(tptr + 6)));
|
|
break;
|
|
case LLDP_DCBX_PRIORITY_GROUPS_TLV:
|
|
if (tlv_len < 17) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Feature - Priority Group (type 0x%x, length %d)",
|
|
LLDP_DCBX_PRIORITY_GROUPS_TLV, tlv_len));
|
|
ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
|
|
ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
|
|
ND_PRINT((ndo, "\n\t Info block(0x%02X): ", *(tptr + 2)));
|
|
tval = *(tptr+2);
|
|
ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d",
|
|
(tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
|
|
(tval & 0x20) ? 1 : 0));
|
|
ND_PRINT((ndo, "\n\t SubType: %d", *(tptr + 3)));
|
|
ND_PRINT((ndo, "\n\t Priority Allocation"));
|
|
|
|
/*
|
|
* Array of 8 4-bit priority group ID values; we fetch all
|
|
* 32 bits and extract each nibble.
|
|
*/
|
|
pgval = EXTRACT_32BITS(tptr+4);
|
|
for (i = 0; i <= 7; i++) {
|
|
ND_PRINT((ndo, "\n\t PgId_%d: %d",
|
|
i, (pgval >> (28 - 4 * i)) & 0xF));
|
|
}
|
|
ND_PRINT((ndo, "\n\t Priority Group Allocation"));
|
|
for (i = 0; i <= 7; i++)
|
|
ND_PRINT((ndo, "\n\t Pg percentage[%d]: %d", i, *(tptr + 8 + i)));
|
|
ND_PRINT((ndo, "\n\t NumTCsSupported: %d", *(tptr + 8 + 8)));
|
|
break;
|
|
case LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV:
|
|
if (tlv_len < 6) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Feature - Priority Flow Control"));
|
|
ND_PRINT((ndo, " (type 0x%x, length %d)",
|
|
LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV, tlv_len));
|
|
ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
|
|
ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
|
|
ND_PRINT((ndo, "\n\t Info block(0x%02X): ", *(tptr + 2)));
|
|
tval = *(tptr+2);
|
|
ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d",
|
|
(tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
|
|
(tval & 0x20) ? 1 : 0));
|
|
ND_PRINT((ndo, "\n\t SubType: %d", *(tptr + 3)));
|
|
tval = *(tptr+4);
|
|
ND_PRINT((ndo, "\n\t PFC Config (0x%02X)", *(tptr + 4)));
|
|
for (i = 0; i <= 7; i++)
|
|
ND_PRINT((ndo, "\n\t Priority Bit %d: %s",
|
|
i, (tval & (1 << i)) ? "Enabled" : "Disabled"));
|
|
ND_PRINT((ndo, "\n\t NumTCPFCSupported: %d", *(tptr + 5)));
|
|
break;
|
|
case LLDP_DCBX_APPLICATION_TLV:
|
|
if (tlv_len < 4) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Feature - Application (type 0x%x, length %d)",
|
|
LLDP_DCBX_APPLICATION_TLV, tlv_len));
|
|
ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
|
|
ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
|
|
ND_PRINT((ndo, "\n\t Info block(0x%02X): ", *(tptr + 2)));
|
|
tval = *(tptr+2);
|
|
ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d",
|
|
(tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
|
|
(tval & 0x20) ? 1 : 0));
|
|
ND_PRINT((ndo, "\n\t SubType: %d", *(tptr + 3)));
|
|
tval = tlv_len - 4;
|
|
mptr = tptr + 4;
|
|
while (tval >= 6) {
|
|
ND_PRINT((ndo, "\n\t Application Value"));
|
|
ND_PRINT((ndo, "\n\t Application Protocol ID: 0x%04x",
|
|
EXTRACT_16BITS(mptr)));
|
|
uval = EXTRACT_24BITS(mptr+2);
|
|
ND_PRINT((ndo, "\n\t SF (0x%x) Application Protocol ID is %s",
|
|
(uval >> 22),
|
|
(uval >> 22) ? "Socket Number" : "L2 EtherType"));
|
|
ND_PRINT((ndo, "\n\t OUI: 0x%06x", uval & 0x3fffff));
|
|
ND_PRINT((ndo, "\n\t User Priority Map: 0x%02x", *(mptr + 5)));
|
|
tval = tval - 6;
|
|
mptr = mptr + 6;
|
|
}
|
|
break;
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
|
|
/* do we also want to see a hex dump ? */
|
|
if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) {
|
|
print_unknown_data(ndo, tptr, "\n\t ", tlv_len);
|
|
}
|
|
|
|
tlen -= tlv_len;
|
|
tptr += tlv_len;
|
|
}
|
|
|
|
trunc:
|
|
return hexdump;
|
|
}
|
|
|
|
static char *
|
|
lldp_network_addr_print(netdissect_options *ndo, const u_char *tptr, u_int len) {
|
|
|
|
uint8_t af;
|
|
static char buf[BUFSIZE];
|
|
const char * (*pfunc)(netdissect_options *, const u_char *);
|
|
|
|
if (len < 1)
|
|
return NULL;
|
|
len--;
|
|
af = *tptr;
|
|
switch (af) {
|
|
case AFNUM_INET:
|
|
if (len < 4)
|
|
return NULL;
|
|
pfunc = getname;
|
|
break;
|
|
#ifdef INET6
|
|
case AFNUM_INET6:
|
|
if (len < 16)
|
|
return NULL;
|
|
pfunc = getname6;
|
|
break;
|
|
#endif
|
|
case AFNUM_802:
|
|
if (len < 6)
|
|
return NULL;
|
|
pfunc = etheraddr_string;
|
|
break;
|
|
default:
|
|
pfunc = NULL;
|
|
break;
|
|
}
|
|
|
|
if (!pfunc) {
|
|
snprintf(buf, sizeof(buf), "AFI %s (%u), no AF printer !",
|
|
tok2str(af_values, "Unknown", af), af);
|
|
} else {
|
|
snprintf(buf, sizeof(buf), "AFI %s (%u): %s",
|
|
tok2str(af_values, "Unknown", af), af, (*pfunc)(ndo, tptr+1));
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
static int
|
|
lldp_mgmt_addr_tlv_print(netdissect_options *ndo,
|
|
const u_char *pptr, u_int len) {
|
|
|
|
uint8_t mgmt_addr_len, intf_num_subtype, oid_len;
|
|
const u_char *tptr;
|
|
u_int tlen;
|
|
char *mgmt_addr;
|
|
|
|
tlen = len;
|
|
tptr = pptr;
|
|
|
|
if (tlen < 1) {
|
|
return 0;
|
|
}
|
|
mgmt_addr_len = *tptr++;
|
|
tlen--;
|
|
|
|
if (tlen < mgmt_addr_len) {
|
|
return 0;
|
|
}
|
|
|
|
mgmt_addr = lldp_network_addr_print(ndo, tptr, mgmt_addr_len);
|
|
if (mgmt_addr == NULL) {
|
|
return 0;
|
|
}
|
|
ND_PRINT((ndo, "\n\t Management Address length %u, %s",
|
|
mgmt_addr_len, mgmt_addr));
|
|
tptr += mgmt_addr_len;
|
|
tlen -= mgmt_addr_len;
|
|
|
|
if (tlen < LLDP_INTF_NUM_LEN) {
|
|
return 0;
|
|
}
|
|
|
|
intf_num_subtype = *tptr;
|
|
ND_PRINT((ndo, "\n\t %s Interface Numbering (%u): %u",
|
|
tok2str(lldp_intf_numb_subtype_values, "Unknown", intf_num_subtype),
|
|
intf_num_subtype,
|
|
EXTRACT_32BITS(tptr + 1)));
|
|
|
|
tptr += LLDP_INTF_NUM_LEN;
|
|
tlen -= LLDP_INTF_NUM_LEN;
|
|
|
|
/*
|
|
* The OID is optional.
|
|
*/
|
|
if (tlen) {
|
|
oid_len = *tptr;
|
|
|
|
if (tlen < oid_len) {
|
|
return 0;
|
|
}
|
|
if (oid_len) {
|
|
ND_PRINT((ndo, "\n\t OID length %u", oid_len));
|
|
safeputs(ndo, tptr + 1, oid_len);
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
lldp_print(netdissect_options *ndo,
|
|
register const u_char *pptr, register u_int len) {
|
|
|
|
uint8_t subtype;
|
|
uint16_t tlv, cap, ena_cap;
|
|
u_int oui, tlen, hexdump, tlv_type, tlv_len;
|
|
const u_char *tptr;
|
|
char *network_addr;
|
|
|
|
tptr = pptr;
|
|
tlen = len;
|
|
|
|
ND_PRINT((ndo, "LLDP, length %u", len));
|
|
|
|
while (tlen >= sizeof(tlv)) {
|
|
|
|
ND_TCHECK2(*tptr, sizeof(tlv));
|
|
|
|
tlv = EXTRACT_16BITS(tptr);
|
|
|
|
tlv_type = LLDP_EXTRACT_TYPE(tlv);
|
|
tlv_len = LLDP_EXTRACT_LEN(tlv);
|
|
hexdump = FALSE;
|
|
|
|
tlen -= sizeof(tlv);
|
|
tptr += sizeof(tlv);
|
|
|
|
if (ndo->ndo_vflag) {
|
|
ND_PRINT((ndo, "\n\t%s TLV (%u), length %u",
|
|
tok2str(lldp_tlv_values, "Unknown", tlv_type),
|
|
tlv_type, tlv_len));
|
|
}
|
|
|
|
/* infinite loop check */
|
|
if (!tlv_type || !tlv_len) {
|
|
break;
|
|
}
|
|
|
|
ND_TCHECK2(*tptr, tlv_len);
|
|
if (tlen < tlv_len) {
|
|
goto trunc;
|
|
}
|
|
|
|
switch (tlv_type) {
|
|
|
|
case LLDP_CHASSIS_ID_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
if (tlv_len < 2) {
|
|
goto trunc;
|
|
}
|
|
subtype = *tptr;
|
|
ND_PRINT((ndo, "\n\t Subtype %s (%u): ",
|
|
tok2str(lldp_chassis_subtype_values, "Unknown", subtype),
|
|
subtype));
|
|
|
|
switch (subtype) {
|
|
case LLDP_CHASSIS_MAC_ADDR_SUBTYPE:
|
|
if (tlv_len < 1+6) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr + 1)));
|
|
break;
|
|
|
|
case LLDP_CHASSIS_INTF_NAME_SUBTYPE: /* fall through */
|
|
case LLDP_CHASSIS_LOCAL_SUBTYPE:
|
|
case LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE:
|
|
case LLDP_CHASSIS_INTF_ALIAS_SUBTYPE:
|
|
case LLDP_CHASSIS_PORT_COMP_SUBTYPE:
|
|
safeputs(ndo, tptr + 1, tlv_len - 1);
|
|
break;
|
|
|
|
case LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE:
|
|
network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1);
|
|
if (network_addr == NULL) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "%s", network_addr));
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LLDP_PORT_ID_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
if (tlv_len < 2) {
|
|
goto trunc;
|
|
}
|
|
subtype = *tptr;
|
|
ND_PRINT((ndo, "\n\t Subtype %s (%u): ",
|
|
tok2str(lldp_port_subtype_values, "Unknown", subtype),
|
|
subtype));
|
|
|
|
switch (subtype) {
|
|
case LLDP_PORT_MAC_ADDR_SUBTYPE:
|
|
if (tlv_len < 1+6) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr + 1)));
|
|
break;
|
|
|
|
case LLDP_PORT_INTF_NAME_SUBTYPE: /* fall through */
|
|
case LLDP_PORT_LOCAL_SUBTYPE:
|
|
case LLDP_PORT_AGENT_CIRC_ID_SUBTYPE:
|
|
case LLDP_PORT_INTF_ALIAS_SUBTYPE:
|
|
case LLDP_PORT_PORT_COMP_SUBTYPE:
|
|
safeputs(ndo, tptr + 1, tlv_len - 1);
|
|
break;
|
|
|
|
case LLDP_PORT_NETWORK_ADDR_SUBTYPE:
|
|
network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1);
|
|
if (network_addr == NULL) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, "%s", network_addr));
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LLDP_TTL_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
if (tlv_len < 2) {
|
|
goto trunc;
|
|
}
|
|
ND_PRINT((ndo, ": TTL %us", EXTRACT_16BITS(tptr)));
|
|
}
|
|
break;
|
|
|
|
case LLDP_PORT_DESCR_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
ND_PRINT((ndo, ": "));
|
|
safeputs(ndo, tptr, tlv_len);
|
|
}
|
|
break;
|
|
|
|
case LLDP_SYSTEM_NAME_TLV:
|
|
/*
|
|
* The system name is also print in non-verbose mode
|
|
* similar to the CDP printer.
|
|
*/
|
|
ND_PRINT((ndo, ": "));
|
|
safeputs(ndo, tptr, tlv_len);
|
|
break;
|
|
|
|
case LLDP_SYSTEM_DESCR_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
ND_PRINT((ndo, "\n\t "));
|
|
safeputs(ndo, tptr, tlv_len);
|
|
}
|
|
break;
|
|
|
|
case LLDP_SYSTEM_CAP_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
/*
|
|
* XXX - IEEE Std 802.1AB-2009 says the first octet
|
|
* if a chassis ID subtype, with the system
|
|
* capabilities and enabled capabilities following
|
|
* it.
|
|
*/
|
|
if (tlv_len < 4) {
|
|
goto trunc;
|
|
}
|
|
cap = EXTRACT_16BITS(tptr);
|
|
ena_cap = EXTRACT_16BITS(tptr+2);
|
|
ND_PRINT((ndo, "\n\t System Capabilities [%s] (0x%04x)",
|
|
bittok2str(lldp_cap_values, "none", cap), cap));
|
|
ND_PRINT((ndo, "\n\t Enabled Capabilities [%s] (0x%04x)",
|
|
bittok2str(lldp_cap_values, "none", ena_cap), ena_cap));
|
|
}
|
|
break;
|
|
|
|
case LLDP_MGMT_ADDR_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
if (!lldp_mgmt_addr_tlv_print(ndo, tptr, tlv_len)) {
|
|
goto trunc;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LLDP_PRIVATE_TLV:
|
|
if (ndo->ndo_vflag) {
|
|
if (tlv_len < 3) {
|
|
goto trunc;
|
|
}
|
|
oui = EXTRACT_24BITS(tptr);
|
|
ND_PRINT((ndo, ": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui));
|
|
|
|
switch (oui) {
|
|
case OUI_IEEE_8021_PRIVATE:
|
|
hexdump = lldp_private_8021_print(ndo, tptr, tlv_len);
|
|
break;
|
|
case OUI_IEEE_8023_PRIVATE:
|
|
hexdump = lldp_private_8023_print(ndo, tptr, tlv_len);
|
|
break;
|
|
case OUI_TIA:
|
|
hexdump = lldp_private_tia_print(ndo, tptr, tlv_len);
|
|
break;
|
|
case OUI_DCBX:
|
|
hexdump = lldp_private_dcbx_print(ndo, tptr, tlv_len);
|
|
break;
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
break;
|
|
}
|
|
|
|
/* do we also want to see a hex dump ? */
|
|
if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) {
|
|
print_unknown_data(ndo, tptr, "\n\t ", tlv_len);
|
|
}
|
|
|
|
tlen -= tlv_len;
|
|
tptr += tlv_len;
|
|
}
|
|
return;
|
|
trunc:
|
|
ND_PRINT((ndo, "\n\t[|LLDP]"));
|
|
}
|
|
|
|
/*
|
|
* Local Variables:
|
|
* c-style: whitesmith
|
|
* c-basic-offset: 4
|
|
* End:
|
|
*/
|