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") \
99 _(STATS_ENABLED, "Statistics enabled")
101 typedef enum lisp_flag_bits
103 #define _(sym, str) LISP_FLAG_BIT_##sym,
104 foreach_lisp_flag_bit
108 typedef enum lisp_flags
110 #define _(sym, str) LISP_FLAG_##sym = 1 << LISP_FLAG_BIT_##sym,
111 foreach_lisp_flag_bit
119 /* LISP feature status */
123 gid_dictionary_t mapping_index_by_gid;
125 /* pool of mappings */
126 mapping_t *mapping_pool;
128 /* hash map of secret keys by mapping index */
129 u8 *key_by_mapping_index;
131 /* pool of locators */
132 locator_t *locator_pool;
134 /* pool of locator-sets */
135 locator_set_t *locator_set_pool;
137 /* vector of locator-set vectors composed of and indexed by locator index */
138 u32 **locator_to_locator_sets;
140 /* hash map of locators by name */
141 uword *locator_set_index_by_name;
143 /* vector of eid index vectors supported and indexed by locator-set index */
144 u32 **locator_set_to_eids;
146 /* vectors of indexes for local locator-sets and mappings */
147 u32 *local_mappings_indexes;
148 u32 *local_locator_set_indexes;
150 /* hash map of forwarding entries by mapping index */
151 u32 *fwd_entry_by_mapping_index;
153 /* forwarding entries pool */
154 fwd_entry_t *fwd_entry_pool;
156 /* hash map keyed by nonce of pending map-requests */
157 uword *pending_map_requests_by_nonce;
159 /* pool of pending map requests */
160 pending_map_request_t *pending_map_requests_pool;
162 /* hash map of sent map register messages */
163 uword *map_register_messages_by_nonce;
165 /* vector of map-resolvers */
166 lisp_msmr_t *map_resolvers;
168 /* vector of map-servers */
169 lisp_msmr_t *map_servers;
171 /* map resolver address currently being used for sending requests.
172 * This has to be an actual address and not an index to map_resolvers vector
173 * since the vector may be modified during request resend/retry procedure
174 * and break things :-) */
175 ip_address_t active_map_resolver;
177 u8 do_map_resolver_election;
179 /* map-request locator set index */
182 /* vni to vrf hash tables */
183 uword *table_id_by_vni;
184 uword *vni_by_table_id;
186 /* vni to bd-index hash tables */
190 /* track l2 and l3 interfaces that have been created for vni */
191 uword *l2_dp_intf_by_vni;
193 /* Proxy ITR map index */
196 /** Proxy ETR map index */
202 /* map request mode */
205 /* enable/disable map registering */
208 /* enable/disable rloc-probing */
211 /* timing wheel for mappping timeouts */
212 timing_wheel_t wheel;
217 vlib_main_t *vlib_main;
218 vnet_main_t *vnet_main;
221 /* lisp-gpe control plane */
222 extern lisp_cp_main_t lisp_control_main;
224 extern vlib_node_registration_t lisp_cp_input_node;
225 extern vlib_node_registration_t lisp_cp_lookup_ip4_node;
226 extern vlib_node_registration_t lisp_cp_lookup_ip6_node;
228 clib_error_t *lisp_cp_init ();
230 always_inline lisp_cp_main_t *
231 vnet_lisp_cp_get_main ()
233 return &lisp_control_main;
237 get_src_and_dst_eids_from_buffer (lisp_cp_main_t * lcm, vlib_buffer_t * b,
238 gid_address_t * src, gid_address_t * dst,
251 } vnet_lisp_add_del_locator_set_args_t;
254 vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
257 vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
258 locator_set_t * ls, u32 * ls_index);
264 u32 locator_set_index;
274 } vnet_lisp_add_del_mapping_args_t;
284 vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
287 vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
288 u32 * map_index_result);
291 vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * dlocs, u8 action,
292 u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
293 u32 * res_map_index);
300 } vnet_lisp_add_del_adjacency_args_t;
302 int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a);
307 ip_address_t address;
308 } vnet_lisp_add_del_map_resolver_args_t;
311 vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a);
312 int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add);
314 clib_error_t *vnet_lisp_enable_disable (u8 is_enabled);
315 u8 vnet_lisp_enable_disable_status (void);
317 int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
318 int vnet_lisp_use_petr (ip_address_t * ip, u8 is_add);
323 u8 *locator_set_name;
324 } vnet_lisp_add_del_mreq_itr_rloc_args_t;
327 vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a);
329 int vnet_lisp_clear_all_remote_adjacencies (void);
331 int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
332 int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key,
334 int vnet_lisp_set_map_request_mode (u8 mode);
335 u8 vnet_lisp_get_map_request_mode (void);
336 lisp_adjacency_t *vnet_lisp_adjacencies_get_by_vni (u32 vni);
337 int vnet_lisp_rloc_probe_enable_disable (u8 is_enable);
338 int vnet_lisp_map_register_enable_disable (u8 is_enable);
339 u8 vnet_lisp_map_register_state_get (void);
340 u8 vnet_lisp_rloc_probe_state_get (void);
342 map_records_arg_t *parse_map_reply (vlib_buffer_t * b);
344 always_inline mapping_t *
345 lisp_get_petr_mapping (lisp_cp_main_t * lcm)
347 return pool_elt_at_index (lcm->mapping_pool, lcm->petr_map_index);
350 #endif /* VNET_CONTROL_H_ */
353 * fd.io coding-style-patch-verification: ON
356 * eval: (c-set-style "gnu")