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gerrit.nordix.org / fdio / vpp / f3783e15014c4c93a1b43697bfcc6422b0a7e369 / . / src / vnet / ip-neighbor / ip_neighbor.h
blob: 8769fd5efd7050e625e91364b1c81b2bbdb0390e [file] [log] [blame]
Neale Rannscbe25aa2019-09-30 10:53:31 +0000[diff] [blame]1/*
2 * ip_neighboor.h: ip neighbor generic services
3 *
4 * Copyright (c) 2018 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#ifndef __INCLUDE_IP_NEIGHBOR_H__
19#define __INCLUDE_IP_NEIGHBOR_H__
20
21#include <vnet/ip-neighbor/ip_neighbor_types.h>
22
23#include <vnet/adj/adj.h>
24
25void ip_neighbor_scan_enable_disable (ip_neighbor_scan_arg_t * arg);
26
27
28/*****
29 * APIs external modules can invoke on the neighbor subsystem
30 */
31
32extern ip_neighbor_t *ip_neighbor_get (index_t ipni);
33extern int ip_neighbor_add (const ip46_address_t * ip,
34 ip46_type_t type,
35 const mac_address_t * mac,
36 u32 sw_if_index,
37 ip_neighbor_flags_t flags, u32 * stats_index);
38extern int ip_neighbor_del (const ip46_address_t * ip,
39 ip46_type_t type, u32 sw_if_index);
40
41extern int ip_neighbor_config (ip46_type_t type, u32 limit, u32 age,
42 bool recycle);
43
44typedef walk_rc_t (*ip_neighbor_walk_cb_t) (index_t ipni, void *ctx);
45extern void ip_neighbor_walk (ip46_type_t type,
46 u32 sw_if_index,
47 ip_neighbor_walk_cb_t fn, void *ctx);
48
49extern const ip46_address_t *ip_neighbor_get_ip (const ip_neighbor_t * ipn);
50extern const mac_address_t *ip_neighbor_get_mac (const ip_neighbor_t * ipn);
51extern const u32 ip_neighbor_get_sw_if_index (const ip_neighbor_t * ipn);
52
53extern void ip_neighbor_learn (const ip_neighbor_learn_t * l);
54
55extern void ip_neighbor_update (vnet_main_t * vnm, adj_index_t ai);
56
57extern void ip_neighbor_advertise (vlib_main_t * vm,
58 ip46_type_t tyoe,
59 const ip46_address_t * addr,
60 u32 sw_if_index);
61extern void ip_neighbor_probe (const ip_adjacency_t * adj);
62extern void ip_neighbor_probe_dst (const ip_adjacency_t * adj,
63 const ip46_address_t * ip);
64
Neale Rannsc87fbb42020-04-02 17:08:28 +0000[diff] [blame]65extern void ip_neighbor_mark (ip46_type_t type);
66extern void ip_neighbor_sweep (ip46_type_t type);
67
Neale Rannscbe25aa2019-09-30 10:53:31 +0000[diff] [blame]68/**
69 * From the watcher to the API to publish a new neighbor
70 */
71extern void ip_neighbor_handle_event (const ip_neighbor_event_t * ipne);
72
73/**
74 * The set of function that vnet requires from the IP neighbour module.
75 * Note that an implementation of these functions will not exist
76 * if the ip-neighbour plugin is not loaded. so check the error codes!
77 */
78extern int ip4_neighbor_proxy_add (u32 fib_index,
79 const ip4_address_t * start,
80 const ip4_address_t * end);
81extern int ip4_neighbor_proxy_delete (u32 fib_index,
82 const ip4_address_t * start,
83 const ip4_address_t * end);
84extern int ip4_neighbor_proxy_enable (u32 sw_if_index);
85extern int ip4_neighbor_proxy_disable (u32 sw_if_index);
86extern int ip6_neighbor_proxy_add (u32 sw_if_index,
87 const ip6_address_t * addr);
88extern int ip6_neighbor_proxy_del (u32 sw_if_index,
89 const ip6_address_t * addr);
90
91/**
92 * neighbor protocol implementation registration functions
93 * this are provided by ARP and IP-ND
94 */
95typedef int (*ip4_neighbor_proxy_addr_t) (u32 fib_index,
96 const ip4_address_t * start,
97 const ip4_address_t * end);
98typedef int (*ip4_neighbor_proxy_cfg_t) (u32 sw_if_index);
99typedef int (*ip6_neighbor_proxy_cfg_t) (u32 sw_if_index,
100 const ip6_address_t * addr);
101
102/**
103 * Virtual function Table for neighbor protocol implementations to register
104 */
105typedef struct ip_neighbor_vft_t_
106{
107 ip4_neighbor_proxy_cfg_t inv_proxy4_enable;
108 ip4_neighbor_proxy_cfg_t inv_proxy4_disable;
109 ip4_neighbor_proxy_addr_t inv_proxy4_add;
110 ip4_neighbor_proxy_addr_t inv_proxy4_del;
111 ip6_neighbor_proxy_cfg_t inv_proxy6_add;
112 ip6_neighbor_proxy_cfg_t inv_proxy6_del;
113} ip_neighbor_vft_t;
114
115extern void ip_neighbor_register (ip46_type_t type,
116 const ip_neighbor_vft_t * vft);
117
118
119#endif /* __INCLUDE_IP_NEIGHBOR_H__ */
120
121/*
122 * fd.io coding-style-patch-verification: ON
123 *
124 * Local Variables:
125 * eval: (c-set-style "gnu")
126 * End:
127 */