d8c89d6198
LLDP TLVs of type 127 are used to carry organizationally specific information and include additional fields to specify the OUI and subtype. Add support for parsing such fields and functions to access the most common IEEE 802.1 specific TLVs.
129 lines
5.1 KiB
C
129 lines
5.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright (C) 2014 Tom Gundersen
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Copyright (C) 2014 Susant Sahani
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#pragma once
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#define LLDP_MULTICAST_ADDR { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e }
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#define ETHERTYPE_LLDP 0x88cc
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/* IEEE 802.3AB Clause 9: TLV Types */
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typedef enum LLDPTypes {
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LLDP_TYPE_END = 0,
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LLDP_TYPE_CHASSIS_ID = 1,
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LLDP_TYPE_PORT_ID = 2,
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LLDP_TYPE_TTL = 3,
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LLDP_TYPE_PORT_DESCRIPTION = 4,
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LLDP_TYPE_SYSTEM_NAME = 5,
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LLDP_TYPE_SYSTEM_DESCRIPTION = 6,
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LLDP_TYPE_SYSTEM_CAPABILITIES = 7,
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LLDP_TYPE_MGMT_ADDRESS = 8,
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LLDP_TYPE_PRIVATE = 127,
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_LLDP_TYPE_MAX,
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_LLDP_TYPE_INVALID = -1,
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} LLDPTypes;
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/* IEEE 802.3AB Clause 9.5.2: Chassis subtypes */
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typedef enum LLDPChassisSubtypes {
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LLDP_CHASSIS_SUBTYPE_RESERVED = 0,
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LLDP_CHASSIS_SUBTYPE_CHASSIS_COMPONENT = 1,
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LLDP_CHASSIS_SUBTYPE_INTERFACE_ALIAS = 2,
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LLDP_CHASSIS_SUBTYPE_PORT_COMPONENT = 3,
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LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS = 4,
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LLDP_CHASSIS_SUBTYPE_NETWORK_ADDRESS = 5,
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LLDP_CHASSIS_SUBTYPE_INTERFACE_NAME = 6,
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LLDP_CHASSIS_SUBTYPE_LOCALLY_ASSIGNED = 7,
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_LLDP_CHASSIS_SUBTYPE_MAX,
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_LLDP_CHASSIS_SUBTYPE_INVALID = -1,
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} LLDPChassisSubtypes;
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/* IEEE 802.3AB Clause 9.5.3: Port subtype */
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typedef enum LLDPPortSubtypes {
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LLDP_PORT_SUBTYPE_RESERVED = 0,
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LLDP_PORT_SUBTYPE_INTERFACE_ALIAS = 1,
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LLDP_PORT_SUBTYPE_PORT_COMPONENT = 2,
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LLDP_PORT_SUBTYPE_MAC_ADDRESS = 3,
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LLDP_PORT_SUBTYPE_NETWORK = 4,
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LLDP_PORT_SUBTYPE_INTERFACE_NAME = 5,
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LLDP_PORT_SUBTYPE_AGENT_CIRCUIT_ID = 6,
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LLDP_PORT_SUBTYPE_LOCALLY_ASSIGNED = 7,
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_LLDP_PORT_SUBTYPE_MAX,
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_LLDP_PORT_SUBTYPE_INVALID = -1
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} LLDPPortSubtypes;
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typedef enum LLDPSystemCapabilities {
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LLDP_SYSTEM_CAPABILITIES_OTHER = 1 << 0,
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LLDP_SYSTEM_CAPABILITIES_REPEATER = 1 << 1,
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LLDP_SYSTEM_CAPABILITIES_BRIDGE = 1 << 2,
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LLDP_SYSTEM_CAPABILITIES_WLAN_AP = 1 << 3,
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LLDP_SYSTEM_CAPABILITIES_ROUTER = 1 << 4,
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LLDP_SYSTEM_CAPABILITIES_PHONE = 1 << 5,
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LLDP_SYSTEM_CAPABILITIES_DOCSIS = 1 << 6,
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LLDP_SYSTEM_CAPABILITIES_STATION = 1 << 7,
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LLDP_SYSTEM_CAPABILITIES_CVLAN = 1 << 8,
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LLDP_SYSTEM_CAPABILITIES_SVLAN = 1 << 9,
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LLDP_SYSTEM_CAPABILITIES_TPMR = 1 << 10,
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_LLDP_SYSTEM_CAPABILITIES_MAX,
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_LLDP_SYSTEM_CAPABILITIES_INVALID = -1,
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} LLDPSystemCapabilities;
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typedef enum LLDPMedSubtype {
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LLDP_MED_SUBTYPE_RESERVED = 0,
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LLDP_MED_SUBTYPE_CAPABILITIES = 1,
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LLDP_MED_SUBTYPE_NETWORK_POLICY = 2,
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LLDP_MED_SUBTYPE_LOCATION_ID = 3,
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LLDP_MED_SUBTYPE_EXTENDED_PVMDI = 4,
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LLDP_MED_SUBTYPE_INV_HWREV = 5,
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LLDP_MED_SUBTYPE_INV_FWREV = 6,
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LLDP_MED_SUBTYPE_INV_SWREV = 7,
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LLDP_MED_SUBTYPE_INV_SERIAL = 8,
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LLDP_MED_SUBTYPE_INV_MANUFACTURER = 9,
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LLDP_MED_SUBTYPE_INV_MODELNAME = 10,
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LLDP_MED_SUBTYPE_INV_ASSETID = 11,
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_LLDP_MED_SUBTYPE_MAX,
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_LLDP_MED_SUBTYPE_INVALID = -1,
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} LLDPMedSubtype;
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typedef enum LLDPMedCapability {
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LLDP_MED_CAPABILITY_CAPAPILITIES = 1 << 0,
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LLDP_MED_CAPABILITY_NETWORK_POLICY = 1 << 1,
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LLDP_MED_CAPABILITY_LOCATION_ID = 1 << 2,
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LLDP_MED_CAPABILITY_EXTENDED_PSE = 1 << 3,
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LLDP_MED_CAPABILITY_EXTENDED_PD = 1 << 4,
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LLDP_MED_CAPABILITY_INVENTORY = 1 << 5,
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LLDP_MED_CAPABILITY_MAX,
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LLDP_MED_CAPABILITY_INVALID = -1,
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} LLDPMedCapability;
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#define LLDP_OUI_802_1 (uint8_t[]) { 0x00, 0x80, 0xc2 }
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#define LLDP_OUI_802_3 (uint8_t[]) { 0x00, 0x12, 0x0f }
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enum {
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LLDP_OUI_SUBTYPE_802_1_PORT_VLAN_ID = 1,
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LLDP_OUI_SUBTYPE_802_1_PORT_PROTOCOL_VLAN_ID = 2,
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LLDP_OUI_SUBTYPE_802_1_VLAN_NAME = 3,
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LLDP_OUI_SUBTYPE_802_1_PROTOCOL_IDENTITY = 4,
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LLDP_OUI_SUBTYPE_802_1_VID_USAGE_DIGEST = 5,
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LLDP_OUI_SUBTYPE_802_1_MANAGEMENT_VID = 6,
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LLDP_OUI_SUBTYPE_802_1_LINK_AGGREGATION = 7,
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};
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