c3148b1be8
Type: refactor Change-Id: I5235bf3e9aff58af6ba2c14e8c6529c4fc9ec86c Signed-off-by: Damjan Marion <damarion@cisco.com>
137 lines
3.7 KiB
C
137 lines
3.7 KiB
C
/*
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* Copyright (c) 2011-2016 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __included_lldp_protocol_h__
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#define __included_lldp_protocol_h__
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/**
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* @file
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* @brief LLDP protocol declarations
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*/
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#include <vnet/srp/packet.h>
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/*
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* optional TLV codes.
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*/
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#define foreach_lldp_optional_tlv_type(F) \
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F (4, port_desc, "Port Description") \
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F (5, sys_name, "System name") \
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F (6, sys_desc, "System Description") \
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F (7, sys_caps, "System Capabilities") \
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F (8, mgmt_addr, "Management Address") \
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F (127, org_spec, "Organizationally Specific TLV")
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/*
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* all TLV codes.
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*/
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#define foreach_lldp_tlv_type(F) \
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F (0, pdu_end, "End of LLDPDU") \
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F (1, chassis_id, "Chassis ID") \
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F (2, port_id, "Port ID") \
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F (3, ttl, "Time To Live") \
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foreach_lldp_optional_tlv_type (F)
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#define LLDP_TLV_NAME(t) LLDP_TLV_##t
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typedef enum
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{
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#define F(n, t, s) LLDP_TLV_NAME (t) = n,
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foreach_lldp_tlv_type (F)
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#undef F
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} lldp_tlv_code_t;
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struct lldp_tlv_head
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{
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u8 byte1; /* contains TLV code in the upper 7 bits + MSB of length */
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u8 byte2; /* contains the lower bits of length */
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};
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typedef CLIB_PACKED (struct {
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struct lldp_tlv_head head;
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u8 v[0];
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}) lldp_tlv_t;
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lldp_tlv_code_t lldp_tlv_get_code (const lldp_tlv_t * tlv);
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void lldp_tlv_set_code (lldp_tlv_t * tlv, lldp_tlv_code_t code);
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u16 lldp_tlv_get_length (const lldp_tlv_t * tlv);
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void lldp_tlv_set_length (lldp_tlv_t * tlv, u16 length);
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#define foreach_chassis_id_subtype(F) \
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F (0, reserved, "Reserved") \
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F (1, chassis_comp, "Chassis component") \
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F (2, intf_alias, "Interface alias") \
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F (3, port_comp, "Port component") \
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F (4, mac_addr, "MAC address") \
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F (5, net_addr, "Network address") \
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F (6, intf_name, "Interface name") \
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F (7, local, "Locally assigned")
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#define LLDP_CHASS_ID_SUBTYPE_NAME(t) LLDP_CHASS_ID_SUBTYPE_##t
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#define LLDP_MIN_CHASS_ID_LEN (1)
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#define LLDP_MAX_CHASS_ID_LEN (255)
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typedef enum
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{
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#define F(n, t, s) LLDP_CHASS_ID_SUBTYPE_NAME (t) = n,
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foreach_chassis_id_subtype (F)
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#undef F
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} lldp_chassis_id_subtype_t;
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typedef CLIB_PACKED (struct {
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struct lldp_tlv_head head;
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u8 subtype;
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u8 id[0];
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}) lldp_chassis_id_tlv_t;
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#define foreach_port_id_subtype(F) \
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F (0, reserved, "Reserved") \
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F (1, intf_alias, "Interface alias") \
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F (2, port_comp, "Port component") \
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F (3, mac_addr, "MAC address") \
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F (4, net_addr, "Network address") \
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F (5, intf_name, "Interface name") \
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F (6, agent_circuit_id, "Agent circuit ID") \
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F (7, local, "Locally assigned")
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#define LLDP_PORT_ID_SUBTYPE_NAME(t) LLDP_PORT_ID_SUBTYPE_##t
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#define LLDP_MIN_PORT_ID_LEN (1)
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#define LLDP_MAX_PORT_ID_LEN (255)
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typedef enum
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{
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#define F(n, t, s) LLDP_PORT_ID_SUBTYPE_NAME (t) = n,
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foreach_port_id_subtype (F)
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#undef F
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} lldp_port_id_subtype_t;
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typedef CLIB_PACKED (struct {
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struct lldp_tlv_head head;
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u8 subtype;
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u8 id[0];
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}) lldp_port_id_tlv_t;
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typedef CLIB_PACKED (struct {
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struct lldp_tlv_head head;
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u16 ttl;
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}) lldp_ttl_tlv_t;
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#endif /* __included_lldp_protocol_h__ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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