IP4/IP6 FIB: fix crash during interface delete
[vpp.git] / src / vnet / ip / ip6_neighbor.h
1 /*
2  *
3  * ip6_neighboor.h: ip6 neighbor structures
4  *
5  * Copyright (c) 2016 Cisco and/or its affiliates.
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at:
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 #ifndef included_ip6_neighbor_h
20 #define included_ip6_neighbor_h
21
22 #include <vnet/fib/fib_types.h>
23
24 typedef struct
25 {
26   ip6_address_t ip6_address;
27   u32 sw_if_index;
28   u32 pad;
29 } ip6_neighbor_key_t;
30
31 typedef enum ip6_neighbor_flags_t_
32 {
33   IP6_NEIGHBOR_FLAG_STATIC = (1 << 0),
34   IP6_NEIGHBOR_FLAG_DYNAMIC = (1 << 1),
35   IP6_NEIGHBOR_FLAG_NO_FIB_ENTRY = (1 << 2),
36 } __attribute__ ((packed)) ip6_neighbor_flags_t;
37
38 typedef struct
39 {
40   ip6_neighbor_key_t key;
41   u8 link_layer_address[8];
42   ip6_neighbor_flags_t flags;
43   u64 cpu_time_last_updated;
44   fib_node_index_t fib_entry_index;
45 } ip6_neighbor_t;
46
47 extern ip6_neighbor_t *ip6_neighbors_entries (u32 sw_if_index);
48
49 extern int ip6_neighbor_ra_config (vlib_main_t * vm, u32 sw_if_index,
50                                    u8 suppress, u8 managed, u8 other,
51                                    u8 ll_option, u8 send_unicast, u8 cease,
52                                    u8 use_lifetime, u32 lifetime,
53                                    u32 initial_count, u32 initial_interval,
54                                    u32 max_interval, u32 min_interval,
55                                    u8 is_no);
56
57 extern int ip6_neighbor_ra_prefix (vlib_main_t * vm, u32 sw_if_index,
58                                    ip6_address_t * prefix_addr, u8 prefix_len,
59                                    u8 use_default, u32 val_lifetime,
60                                    u32 pref_lifetime, u8 no_advertise,
61                                    u8 off_link, u8 no_autoconfig,
62                                    u8 no_onlink, u8 is_no);
63
64 extern clib_error_t *ip6_set_neighbor_limit (u32 neighbor_limit);
65
66 extern void vnet_register_ip6_neighbor_resolution_event (vnet_main_t * vnm,
67                                                          void *address_arg,
68                                                          uword node_index,
69                                                          uword type_opaque,
70                                                          uword data);
71
72 extern int vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
73                                            u32 sw_if_index,
74                                            ip6_address_t * a,
75                                            u8 * link_layer_address,
76                                            uword n_bytes_link_layer_address,
77                                            int is_static,
78                                            int is_no_fib_entry);
79
80 extern int vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
81                                              u32 sw_if_index,
82                                              ip6_address_t * a,
83                                              u8 * link_layer_address,
84                                              uword
85                                              n_bytes_link_layer_address);
86
87 extern int ip6_neighbor_proxy_add_del (u32 sw_if_index,
88                                        ip6_address_t * addr, u8 is_add);
89
90 u32 ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index,
91                                        u32 is_add);
92
93 #endif /* included_ip6_neighbor_h */
94
95 /*
96  * fd.io coding-style-patch-verification: ON
97  *
98  * Local Variables:
99  * eval: (c-set-style "gnu")
100  * End:
101  */