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authorVratko Polak <vrpolak@cisco.com>2019-05-09 17:04:57 +0200
committerOle Trøan <otroan@employees.org>2019-05-10 08:54:04 +0000
commit7fe470a544c78ba8d60f1ec1cb14808366ad3653 (patch)
tree51ecec4e17b1252aaadbe2159e043bbc6e2dd6a2 /src/vppinfra/bihash_16_8_32.h
parent404b8a36e737e2911ca8874363a4e87cb707e5f9 (diff)
vpp_transport_socket: make connect more resilient
This should make connect() partially retriable, at least against "No such file or directory on socket", and when disconnect() is called before retrying connect(). Added TODOs for future improvements. Change-Id: I5ee727fbc17d66446589b8c781f270055187db68 Signed-off-by: Vratko Polak <vrpolak@cisco.com>
Diffstat (limited to 'src/vppinfra/bihash_16_8_32.h')
0 files changed, 0 insertions, 0 deletions
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/*
 * Copyright (c) 2011-2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __included_lldp_protocol_h__
#define __included_lldp_protocol_h__
/**
 * @file
 * @brief LLDP protocol declarations
 */
#include <vnet/srp/packet.h>

/*
 * optional TLV codes.
 */
#define foreach_lldp_optional_tlv_type(F) \
  F (4, port_desc, "Port Description")    \
  F (5, sys_name, "System name")          \
  F (6, sys_desc, "System Description")   \
  F (7, sys_caps, "System Capabilities")  \
  F (8, mgmt_addr, "Management Address")  \
  F (127, org_spec, "Organizationally Specific TLV")

/*
 * all TLV codes.
 */
#define foreach_lldp_tlv_type(F)  \
  F (0, pdu_end, "End of LLDPDU") \
  F (1, chassis_id, "Chassis ID") \
  F (2, port_id, "Port ID")       \
  F (3, ttl, "Time To Live")      \
  foreach_lldp_optional_tlv_type (F)

#define LLDP_TLV_NAME(t) LLDP_TLV_##t

typedef enum
{
#define F(n, t, s) LLDP_TLV_NAME (t) = n,
  foreach_lldp_tlv_type (F)
#undef F
} lldp_tlv_code_t;

struct lldp_tlv_head
{
  u8 byte1;			/* contains TLV code in the upper 7 bits + MSB of length */
  u8 byte2;			/* contains the lower bits of length */
};

/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
  struct lldp_tlv_head head;
  u8 v[0];
}) lldp_tlv_t;
/* *INDENT-ON* */

lldp_tlv_code_t lldp_tlv_get_code (const lldp_tlv_t * tlv);
void lldp_tlv_set_code (lldp_tlv_t * tlv, lldp_tlv_code_t code);
u16 lldp_tlv_get_length (const lldp_tlv_t * tlv);
void lldp_tlv_set_length (lldp_tlv_t * tlv, u16 length);

#define foreach_chassis_id_subtype(F)      \
  F (0, reserved, "Reserved")              \
  F (1, chassis_comp, "Chassis component") \
  F (2, intf_alias, "Interface alias")     \
  F (3, port_comp, "Port component")       \
  F (4, mac_addr, "MAC address")           \
  F (5, net_addr, "Network address")       \
  F (6, intf_name, "Interface name")       \
  F (7, local, "Locally assigned")

#define LLDP_CHASS_ID_SUBTYPE_NAME(t) LLDP_CHASS_ID_SUBTYPE_##t
#define LLDP_MIN_CHASS_ID_LEN (1)
#define LLDP_MAX_CHASS_ID_LEN (255)

typedef enum
{
#define F(n, t, s) LLDP_CHASS_ID_SUBTYPE_NAME (t) = n,
  foreach_chassis_id_subtype (F)
#undef F
} lldp_chassis_id_subtype_t;

/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
  struct lldp_tlv_head head;
  u8 subtype;
  u8 id[0];
}) lldp_chassis_id_tlv_t;
/* *INDENT-ON* */

#define foreach_port_id_subtype(F)            \
  F (0, reserved, "Reserved")                 \
  F (1, intf_alias, "Interface alias")        \
  F (2, port_comp, "Port component")          \
  F (3, mac_addr, "MAC address")              \
  F (4, net_addr, "Network address")          \
  F (5, intf_name, "Interface name")          \
  F (6, agent_circuit_id, "Agent circuit ID") \
  F (7, local, "Locally assigned")

#define LLDP_PORT_ID_SUBTYPE_NAME(t) LLDP_PORT_ID_SUBTYPE_##t
#define LLDP_MIN_PORT_ID_LEN (1)
#define LLDP_MAX_PORT_ID_LEN (255)

typedef enum
{
#define F(n, t, s) LLDP_PORT_ID_SUBTYPE_NAME (t) = n,
  foreach_port_id_subtype (F)
#undef F
} lldp_port_id_subtype_t;

/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
  struct lldp_tlv_head head;
  u8 subtype;
  u8 id[0];
}) lldp_port_id_tlv_t;

typedef CLIB_PACKED (struct {
  struct lldp_tlv_head head;
  u16 ttl;
}) lldp_ttl_tlv_t;
/* *INDENT-ON* */

#endif /* __included_lldp_protocol_h__ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */