FD.io VPP
v20.05.1-6-gf53edbc3b
Vector Packet Processing
lldp_node.h
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/*
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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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/**
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* @file
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* @brief LLDP global declarations
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*/
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#ifndef __included_lldp_node_h__
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#define __included_lldp_node_h__
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#include <
vlib/vlib.h
>
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#include <
vlib/unix/unix.h
>
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#include <
vnet/snap/snap.h
>
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#include <
vppinfra/format.h
>
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#include <
vppinfra/hash.h
>
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#include <
vnet/lldp/lldp_protocol.h
>
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typedef
struct
lldp_intf
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{
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/* hw interface index */
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u32
hw_if_index
;
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/* Timers */
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f64
last_heard
;
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f64
last_sent
;
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/* Info received from peer */
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u8
*
chassis_id
;
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u8
*
port_id
;
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u16
ttl
;
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lldp_port_id_subtype_t
port_id_subtype
;
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lldp_chassis_id_subtype_t
chassis_id_subtype
;
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/* Local info */
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u8
*
port_desc
;
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/* management ipv4 address */
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u8
*
mgmt_ip4
;
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/* management ipv6 address */
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u8
*
mgmt_ip6
;
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/* management object identifier */
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u8
*
mgmt_oid
;
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}
lldp_intf_t
;
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typedef
struct
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{
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/* pool of lldp-enabled interface context data */
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lldp_intf_t
*
intfs
;
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/* rapidly find an interface by vlib hw interface index */
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uword
*
intf_by_hw_if_index
;
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/* Background process node index */
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u32
lldp_process_node_index
;
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/* interface idxs (into intfs pool) in the order of timing out */
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u32
*
intfs_timeouts
;
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/* index of the interface which will time out next */
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u32
intfs_timeouts_idx
;
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/* packet template for sending out packets */
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vlib_packet_template_t
packet_template
;
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/* convenience variables */
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vlib_main_t
*
vlib_main
;
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vnet_main_t
*
vnet_main
;
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/* system name advertised over LLDP (default is none) */
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u8
*
sys_name
;
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/* IEEE Std 802.1AB-2009:
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* 9.2.5.6 msgTxHold
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* This variable is used, as a multiplier of msgTxInterval, to determine the
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* value of txTTL that is carried in LLDP frames transmitted by the LLDP
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* agent. The recommended default value of msgTxHold is 4; this value can
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* be changed by management to any value in the range 1 through 100.
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*/
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u8
msg_tx_hold
;
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/* IEEE Std 802.1AB-2009:
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* 9.2.5.7 msgTxInterval
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* This variable defines the time interval in timer ticks between
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* transmissions during normal transmission periods (i.e., txFast is zero).
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* The recommended default value for msgTxInterval is 30 s; this value can
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* be changed by management to any value in the range 1 through 3600.
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*/
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u16
msg_tx_interval
;
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}
lldp_main_t
;
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#define LLDP_MIN_TX_HOLD (1)
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#define LLDP_MAX_TX_HOLD (100)
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#define LLDP_MIN_TX_INTERVAL (1)
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#define LLDP_MAX_TX_INTERVAL (3600)
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extern
lldp_main_t
lldp_main
;
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/* Packet counters */
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#define foreach_lldp_error(F) \
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F(NONE, "good lldp packets (processed)") \
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F(CACHE_HIT, "good lldp packets (cache hit)") \
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F(BAD_TLV, "lldp packets with bad TLVs") \
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F(DISABLED, "lldp packets received on disabled interfaces")
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typedef
enum
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{
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#define F(sym, str) LLDP_ERROR_##sym,
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foreach_lldp_error
(
F
)
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#undef F
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LLDP_N_ERROR,
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}
lldp_error_t
;
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/* lldp packet trace capture */
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typedef
struct
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{
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u32
len
;
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u8
data
[400];
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}
lldp_input_trace_t
;
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typedef
enum
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{
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LLDP_EVENT_RESCHEDULE
= 1,
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}
lldp_process_event_t
;
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lldp_intf_t
*
lldp_get_intf
(
lldp_main_t
* lm,
u32
hw_if_index
);
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lldp_intf_t
*
lldp_create_intf
(
lldp_main_t
* lm,
u32
hw_if_index
);
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void
lldp_delete_intf
(
lldp_main_t
* lm,
lldp_intf_t
* n);
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lldp_error_t
lldp_input
(
vlib_main_t
*
vm
,
vlib_buffer_t
* b0,
u32
bi0);
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u8
*
lldp_input_format_trace
(
u8
* s, va_list * args);
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void
lldp_send_ethernet
(
lldp_main_t
* lm,
lldp_intf_t
* n,
int
shutdown);
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void
lldp_schedule_intf
(
lldp_main_t
* lm,
lldp_intf_t
* n);
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void
lldp_unschedule_intf
(
lldp_main_t
* lm,
lldp_intf_t
* n);
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#endif
/* __included_lldp_node_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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*/
lldp_main_t::vnet_main
vnet_main_t * vnet_main
Definition:
lldp_node.h:81
lldp_intf::mgmt_ip4
u8 * mgmt_ip4
Definition:
lldp_node.h:50
lldp_intf::hw_if_index
u32 hw_if_index
Definition:
lldp_node.h:33
lldp_chassis_id_subtype_t
lldp_chassis_id_subtype_t
Definition:
lldp_protocol.h:85
lldp_main_t::intfs_timeouts_idx
u32 intfs_timeouts_idx
Definition:
lldp_node.h:74
lldp_intf::chassis_id
u8 * chassis_id
Definition:
lldp_node.h:40
lldp_main_t::intfs
lldp_intf_t * intfs
Definition:
lldp_node.h:62
lldp_input_trace_t::len
u32 len
Definition:
lldp_node.h:130
lldp_intf::last_sent
f64 last_sent
Definition:
lldp_node.h:37
lldp_main_t::intfs_timeouts
u32 * intfs_timeouts
Definition:
lldp_node.h:71
lldp_intf::ttl
u16 ttl
Definition:
lldp_node.h:42
u8
unsigned char u8
Definition:
types.h:56
hash.h
f64
double f64
Definition:
types.h:142
lldp_unschedule_intf
void lldp_unschedule_intf(lldp_main_t *lm, lldp_intf_t *n)
Definition:
lldp_node.c:267
lldp_send_ethernet
void lldp_send_ethernet(lldp_main_t *lm, lldp_intf_t *n, int shutdown)
Definition:
lldp_output.c:199
lldp_main_t::msg_tx_hold
u8 msg_tx_hold
Definition:
lldp_node.h:93
lldp_main_t
Definition:
lldp_node.h:59
lldp_input_format_trace
u8 * lldp_input_format_trace(u8 *s, va_list *args)
Definition:
lldp_cli.c:695
lldp_intf::port_id
u8 * port_id
Definition:
lldp_node.h:41
lldp_input
lldp_error_t lldp_input(vlib_main_t *vm, vlib_buffer_t *b0, u32 bi0)
Definition:
lldp_input.c:249
vlib_packet_template_t
Definition:
buffer_funcs.h:1391
lldp_delete_intf
void lldp_delete_intf(lldp_main_t *lm, lldp_intf_t *n)
Definition:
lldp_output.c:250
u32
unsigned int u32
Definition:
types.h:88
LLDP_EVENT_RESCHEDULE
Definition:
lldp_node.h:136
lldp_error_t
lldp_error_t
Definition:
lldp_node.h:119
lldp_main_t::msg_tx_interval
u16 msg_tx_interval
Definition:
lldp_node.h:102
lldp_main_t::intf_by_hw_if_index
uword * intf_by_hw_if_index
Definition:
lldp_node.h:65
unix.h
u16
unsigned short u16
Definition:
types.h:57
lldp_main
lldp_main_t lldp_main
Definition:
lldp_input.c:117
format.h
vm
vlib_main_t * vm
Definition:
in2out_ed.c:1599
lldp_schedule_intf
void lldp_schedule_intf(lldp_main_t *lm, lldp_intf_t *n)
Definition:
lldp_node.c:242
lldp_intf::port_desc
u8 * port_desc
Definition:
lldp_node.h:47
lldp_get_intf
lldp_intf_t * lldp_get_intf(lldp_main_t *lm, u32 hw_if_index)
Definition:
lldp_input.c:212
lldp_protocol.h
LLDP protocol declarations.
lldp_process_event_t
lldp_process_event_t
Definition:
lldp_node.h:134
vlib.h
lldp_intf::mgmt_oid
u8 * mgmt_oid
Definition:
lldp_node.h:56
vnet_main_t
Definition:
vnet.h:51
data
u8 data[128]
Definition:
ipsec_types.api:89
lldp_intf::mgmt_ip6
u8 * mgmt_ip6
Definition:
lldp_node.h:53
foreach_lldp_error
#define foreach_lldp_error(F)
Definition:
lldp_node.h:113
lldp_main_t::lldp_process_node_index
u32 lldp_process_node_index
Definition:
lldp_node.h:68
lldp_port_id_subtype_t
lldp_port_id_subtype_t
Definition:
lldp_protocol.h:114
lldp_main_t::vlib_main
vlib_main_t * vlib_main
Definition:
lldp_node.h:80
lldp_intf_t
struct lldp_intf lldp_intf_t
lldp_intf::port_id_subtype
lldp_port_id_subtype_t port_id_subtype
Definition:
lldp_node.h:43
lldp_input_trace_t
Definition:
lldp_node.h:128
F
#define F(sym, str)
Definition:
lldp_node.h:121
lldp_intf
Definition:
lldp_node.h:30
vlib_main_t
Definition:
main.h:83
vlib_buffer_t
VLIB buffer representation.
Definition:
buffer.h:102
uword
u64 uword
Definition:
types.h:112
lldp_intf::chassis_id_subtype
lldp_chassis_id_subtype_t chassis_id_subtype
Definition:
lldp_node.h:44
lldp_create_intf
lldp_intf_t * lldp_create_intf(lldp_main_t *lm, u32 hw_if_index)
Definition:
lldp_input.c:224
lldp_main_t::packet_template
vlib_packet_template_t packet_template
Definition:
lldp_node.h:77
snap.h
lldp_main_t::sys_name
u8 * sys_name
Definition:
lldp_node.h:84
lldp_intf::last_heard
f64 last_heard
Definition:
lldp_node.h:36
src
vnet
lldp
lldp_node.h
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