2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef VNET_CONTROL_H_
17 #define VNET_CONTROL_H_
19 #include <vnet/vnet.h>
20 #include <vnet/lisp-cp/gid_dictionary.h>
21 #include <vnet/lisp-cp/lisp_types.h>
23 #define NUMBER_OF_RETRIES 1
24 #define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */
25 #define PENDING_MREQ_QUEUE_LEN 5
27 #define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */
28 #define RLOC_PROBING_INTERVAL 60.0
30 /* when map-registration is enabled "quick registration" takes place first.
31 In this mode ETR sends map-register messages at an increased frequency
32 until specified message count is reached */
33 #define QUICK_MAP_REGISTER_MSG_COUNT 3
34 #define QUICK_MAP_REGISTER_INTERVAL 3.0
36 /* normal map-register period */
37 #define MAP_REGISTER_INTERVAL 60.0
40 #define MAP_REGISTER_DEFAULT_TTL 900
51 } pending_map_request_t;
58 locator_pair_t *locator_pairs;
73 /* map-server/map-resolver structure */
87 miss_packet_type_t type;
97 #define foreach_lisp_flag_bit \
98 _(USE_PETR, "Use Proxy-ETR")
100 typedef enum lisp_flag_bits
102 #define _(sym, str) LISP_FLAG_BIT_##sym,
103 foreach_lisp_flag_bit
107 typedef enum lisp_flags
109 #define _(sym, str) LISP_FLAG_##sym = 1 << LISP_FLAG_BIT_##sym,
110 foreach_lisp_flag_bit
118 /* LISP feature status */
122 gid_dictionary_t mapping_index_by_gid;
124 /* pool of mappings */
125 mapping_t *mapping_pool;
127 /* hash map of secret keys by mapping index */
128 u8 *key_by_mapping_index;
130 /* pool of locators */
131 locator_t *locator_pool;
133 /* pool of locator-sets */
134 locator_set_t *locator_set_pool;
136 /* vector of locator-set vectors composed of and indexed by locator index */
137 u32 **locator_to_locator_sets;
139 /* hash map of locators by name */
140 uword *locator_set_index_by_name;
142 /* vector of eid index vectors supported and indexed by locator-set index */
143 u32 **locator_set_to_eids;
145 /* vectors of indexes for local locator-sets and mappings */
146 u32 *local_mappings_indexes;
147 u32 *local_locator_set_indexes;
149 /* hash map of forwarding entries by mapping index */
150 u32 *fwd_entry_by_mapping_index;
152 /* forwarding entries pool */
153 fwd_entry_t *fwd_entry_pool;
155 /* hash map keyed by nonce of pending map-requests */
156 uword *pending_map_requests_by_nonce;
158 /* pool of pending map requests */
159 pending_map_request_t *pending_map_requests_pool;
161 /* hash map of sent map register messages */
162 uword *map_register_messages_by_nonce;
164 /* vector of map-resolvers */
165 lisp_msmr_t *map_resolvers;
167 /* vector of map-servers */
168 lisp_msmr_t *map_servers;
170 /* map resolver address currently being used for sending requests.
171 * This has to be an actual address and not an index to map_resolvers vector
172 * since the vector may be modified during request resend/retry procedure
173 * and break things :-) */
174 ip_address_t active_map_resolver;
176 u8 do_map_resolver_election;
178 /* map-request locator set index */
181 /* vni to vrf hash tables */
182 uword *table_id_by_vni;
183 uword *vni_by_table_id;
185 /* vni to bd-index hash tables */
189 /* track l2 and l3 interfaces that have been created for vni */
190 uword *l2_dp_intf_by_vni;
192 /* Proxy ITR map index */
195 /** Proxy ETR map index */
201 /* map request mode */
204 /* enable/disable map registering */
207 /* enable/disable rloc-probing */
210 /* timing wheel for mappping timeouts */
211 timing_wheel_t wheel;
216 vlib_main_t *vlib_main;
217 vnet_main_t *vnet_main;
220 /* lisp-gpe control plane */
221 extern lisp_cp_main_t lisp_control_main;
223 extern vlib_node_registration_t lisp_cp_input_node;
224 extern vlib_node_registration_t lisp_cp_lookup_ip4_node;
225 extern vlib_node_registration_t lisp_cp_lookup_ip6_node;
227 clib_error_t *lisp_cp_init ();
229 always_inline lisp_cp_main_t *
230 vnet_lisp_cp_get_main ()
232 return &lisp_control_main;
245 } vnet_lisp_add_del_locator_set_args_t;
248 vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
251 vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
252 locator_set_t * ls, u32 * ls_index);
258 u32 locator_set_index;
268 } vnet_lisp_add_del_mapping_args_t;
271 vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
274 vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
275 u32 * map_index_result);
278 vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * dlocs, u8 action,
279 u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
280 u32 * res_map_index);
287 } vnet_lisp_add_del_adjacency_args_t;
289 int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a);
294 ip_address_t address;
295 } vnet_lisp_add_del_map_resolver_args_t;
298 vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a);
299 int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add);
301 clib_error_t *vnet_lisp_enable_disable (u8 is_enabled);
302 u8 vnet_lisp_enable_disable_status (void);
304 int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
305 int vnet_lisp_use_petr (ip_address_t * ip, u8 is_add);
310 u8 *locator_set_name;
311 } vnet_lisp_add_del_mreq_itr_rloc_args_t;
314 vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a);
316 int vnet_lisp_clear_all_remote_adjacencies (void);
318 int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
319 int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key,
321 int vnet_lisp_set_map_request_mode (u8 mode);
322 u8 vnet_lisp_get_map_request_mode (void);
323 lisp_adjacency_t *vnet_lisp_adjacencies_get_by_vni (u32 vni);
324 int vnet_lisp_rloc_probe_enable_disable (u8 is_enable);
325 int vnet_lisp_map_register_enable_disable (u8 is_enable);
326 u8 vnet_lisp_map_register_state_get (void);
327 u8 vnet_lisp_rloc_probe_state_get (void);
329 always_inline mapping_t *
330 lisp_get_petr_mapping (lisp_cp_main_t * lcm)
332 return pool_elt_at_index (lcm->mapping_pool, lcm->petr_map_index);
335 #endif /* VNET_CONTROL_H_ */
338 * fd.io coding-style-patch-verification: ON
341 * eval: (c-set-style "gnu")