ip-neighbor: Replace feature for the ip-neighbor data-base
[vpp.git] / src / vnet / ip-neighbor / ip_neighbor.h
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
25 void 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
32 extern ip_neighbor_t *ip_neighbor_get (index_t ipni);
33 extern 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);
38 extern int ip_neighbor_del (const ip46_address_t * ip,
39                             ip46_type_t type, u32 sw_if_index);
40
41 extern int ip_neighbor_config (ip46_type_t type, u32 limit, u32 age,
42                                bool recycle);
43
44 typedef walk_rc_t (*ip_neighbor_walk_cb_t) (index_t ipni, void *ctx);
45 extern void ip_neighbor_walk (ip46_type_t type,
46                               u32 sw_if_index,
47                               ip_neighbor_walk_cb_t fn, void *ctx);
48
49 extern const ip46_address_t *ip_neighbor_get_ip (const ip_neighbor_t * ipn);
50 extern const mac_address_t *ip_neighbor_get_mac (const ip_neighbor_t * ipn);
51 extern const u32 ip_neighbor_get_sw_if_index (const ip_neighbor_t * ipn);
52
53 extern void ip_neighbor_learn (const ip_neighbor_learn_t * l);
54
55 extern void ip_neighbor_update (vnet_main_t * vnm, adj_index_t ai);
56
57 extern void ip_neighbor_advertise (vlib_main_t * vm,
58                                    ip46_type_t tyoe,
59                                    const ip46_address_t * addr,
60                                    u32 sw_if_index);
61 extern void ip_neighbor_probe (const ip_adjacency_t * adj);
62 extern void ip_neighbor_probe_dst (const ip_adjacency_t * adj,
63                                    const ip46_address_t * ip);
64
65 extern void ip_neighbor_mark (ip46_type_t type);
66 extern void ip_neighbor_sweep (ip46_type_t type);
67
68 /**
69  * From the watcher to the API to publish a new neighbor
70  */
71 extern 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  */
78 extern int ip4_neighbor_proxy_add (u32 fib_index,
79                                    const ip4_address_t * start,
80                                    const ip4_address_t * end);
81 extern int ip4_neighbor_proxy_delete (u32 fib_index,
82                                       const ip4_address_t * start,
83                                       const ip4_address_t * end);
84 extern int ip4_neighbor_proxy_enable (u32 sw_if_index);
85 extern int ip4_neighbor_proxy_disable (u32 sw_if_index);
86 extern int ip6_neighbor_proxy_add (u32 sw_if_index,
87                                    const ip6_address_t * addr);
88 extern 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  */
95 typedef int (*ip4_neighbor_proxy_addr_t) (u32 fib_index,
96                                           const ip4_address_t * start,
97                                           const ip4_address_t * end);
98 typedef int (*ip4_neighbor_proxy_cfg_t) (u32 sw_if_index);
99 typedef 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  */
105 typedef 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
115 extern 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  */