summaryrefslogtreecommitdiffstats
path: root/src/vnet/ip/ip6_neighbor.h
blob: 3256ba77da49b65105495429979084a87ece539f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
/*
 *
 * ip6_neighboor.h: ip6 neighbor structures
 *
 * Copyright (c) 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_ip6_neighbor_h
#define included_ip6_neighbor_h

#include <vnet/fib/fib_types.h>

typedef struct
{
  ip6_address_t ip6_address;
  u32 sw_if_index;
  u32 pad;
} ip6_neighbor_key_t;

typedef enum ip6_neighbor_flags_t_
{
  IP6_NEIGHBOR_FLAG_STATIC = (1 << 0),
  IP6_NEIGHBOR_FLAG_DYNAMIC = (1 << 1),
  IP6_NEIGHBOR_FLAG_NO_FIB_ENTRY = (1 << 2),
} __attribute__ ((packed)) ip6_neighbor_flags_t;

typedef struct
{
  ip6_neighbor_key_t key;
  u8 link_layer_address[8];
  ip6_neighbor_flags_t flags;
  f64 time_last_updated;
  fib_node_index_t fib_entry_index;
} ip6_neighbor_t;

extern ip6_address_t ip6_neighbor_get_link_local_address (u32 sw_if_index);

extern ip6_neighbor_t *ip6_neighbors_pool (void);

extern ip6_neighbor_t *ip6_neighbors_entries (u32 sw_if_index);

extern int ip6_neighbor_ra_config (vlib_main_t * vm, u32 sw_if_index,
				   u8 suppress, u8 managed, u8 other,
				   u8 ll_option, u8 send_unicast, u8 cease,
				   u8 use_lifetime, u32 lifetime,
				   u32 initial_count, u32 initial_interval,
				   u32 max_interval, u32 min_interval,
				   u8 is_no);

extern int ip6_neighbor_ra_prefix (vlib_main_t * vm, u32 sw_if_index,
				   ip6_address_t * prefix_addr, u8 prefix_len,
				   u8 use_default, u32 val_lifetime,
				   u32 pref_lifetime, u8 no_advertise,
				   u8 off_link, u8 no_autoconfig,
				   u8 no_onlink, u8 is_no);

extern clib_error_t *ip6_set_neighbor_limit (u32 neighbor_limit);

extern void vnet_register_ip6_neighbor_resolution_event (vnet_main_t * vnm,
							 void *address_arg,
							 uword node_index,
							 uword type_opaque,
							 uword data);

extern int vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
					   u32 sw_if_index,
					   const ip6_address_t * a,
					   const u8 * link_layer_address,
					   uword n_bytes_link_layer_address,
					   int is_static,
					   int is_no_fib_entry);

extern int vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
					     u32 sw_if_index,
					     const ip6_address_t * a);

extern int ip6_neighbor_proxy_add_del (u32 sw_if_index,
				       ip6_address_t * addr, u8 is_add);

u32 ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index,
				       u32 is_add);
typedef struct
{
  u32 sw_if_index;
  ip6_address_t ip6;
  u8 mac[6];
} wc_nd_report_t;

void wc_nd_set_publisher_node (uword node_index, uword event_type);

typedef struct
{
  u32 irt;
  u32 mrt;
  u32 mrc;
  u32 mrd;
} icmp6_send_router_solicitation_params_t;

void icmp6_send_router_solicitation (vlib_main_t * vm, u32 sw_if_index,
				     u8 stop,
				     icmp6_send_router_solicitation_params_t *
				     params);

typedef struct
{
  ip6_address_t dst_address;
  u8 dst_address_length;
  u8 flags;
  u32 valid_time;
  u32 preferred_time;
} ra_report_prefix_info_t;

typedef struct
{
  u32 sw_if_index;
  u8 router_address[16];
  u8 current_hop_limit;
  u8 flags;
  u16 router_lifetime_in_sec;
  u32 neighbor_reachable_time_in_msec;
  u32 time_in_msec_between_retransmitted_neighbor_solicitations;
  u8 slla[6];
  u32 mtu;
  ra_report_prefix_info_t *prefixes;
} ra_report_t;

void ra_set_publisher_node (uword node_index, uword event_type);

typedef struct _vnet_ip6_neighbor_function_list_elt
{
  struct _vnet_ip6_neighbor_function_list_elt *next_ip6_neighbor_function;
  clib_error_t *(*fp) (void *data);
} _vnet_ip6_neighbor_function_list_elt_t;

typedef struct
{
  _vnet_ip6_neighbor_function_list_elt_t *ra_report_functions;
} ip6_neighbor_public_main_t;

extern ip6_neighbor_public_main_t ip6_neighbor_public_main;

#define _VNET_IP6_NEIGHBOR_FUNCTION_DECL(f,tag)                           \
                                                                          \
static void __vnet_ip6_neighbor_function_init_##tag##_##f (void)          \
    __attribute__((__constructor__)) ;                                    \
                                                                          \
static void __vnet_ip6_neighbor_function_init_##tag##_##f (void)          \
{                                                                         \
 ip6_neighbor_public_main_t * nm = &ip6_neighbor_public_main;             \
 static _vnet_ip6_neighbor_function_list_elt_t init_function;             \
 init_function.next_ip6_neighbor_function = nm->tag##_functions;          \
 nm->tag##_functions = &init_function;                                    \
 init_function.fp = (void *) &f;                                          \
}                                                                         \
                                                                          \
static void __vnet_ip6_neighbor_function_deinit_##tag##_##f (void)        \
    __attribute__((__destructor__)) ;                                     \
                                                                          \
static void __vnet_ip6_neighbor_function_deinit_##tag##_##f (void)        \
{                                                                         \
 ip6_neighbor_public_main_t * nm = &ip6_neighbor_public_main;             \
 _vnet_ip6_neighbor_function_list_elt_t *next;                            \
 if (nm->tag##_functions->fp == (void *) &f)                              \
    {                                                                     \
      nm->tag##_functions =                                               \
        nm->tag##_functions->next_ip6_neighbor_function;                  \
      return;                                                             \
    }                                                                     \
  next = nm->tag##_functions;                                             \
  while (next->next_ip6_neighbor_function)                                \
    {                                                                     \
      if (next->next_ip6_neighbor_function->fp == (void *) &f)            \
        {                                                                 \
          next->next_ip6_neighbor_function =                              \
            next->next_ip6_neighbor_function->next_ip6_neighbor_function; \
          return;                                                         \
        }                                                                 \
      next = next->next_ip6_neighbor_function;                            \
    }                                                                     \
}

#define VNET_IP6_NEIGHBOR_RA_FUNCTION(f) \
  _VNET_IP6_NEIGHBOR_FUNCTION_DECL(f,ra_report)

clib_error_t *call_ip6_neighbor_callbacks (void *data,
					   _vnet_ip6_neighbor_function_list_elt_t
					   * elt);

#endif /* included_ip6_neighbor_h */

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