FD.io VPP  v17.04.2-2-ga8f93f8
Vector Packet Processing
control.h
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 
16 #ifndef VNET_CONTROL_H_
17 #define VNET_CONTROL_H_
18 
19 #include <vnet/vnet.h>
22 
23 #define NUMBER_OF_RETRIES 1
24 #define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */
25 #define PENDING_MREQ_QUEUE_LEN 5
26 
27 #define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */
28 #define RLOC_PROBING_INTERVAL 60.0
29 
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
35 
36 /* normal map-register period */
37 #define MAP_REGISTER_INTERVAL 60.0
38 
39 /* 15 minutes */
40 #define MAP_REGISTER_DEFAULT_TTL 900
41 
42 typedef struct
43 {
52 
53 typedef struct
54 {
59 } fwd_entry_t;
60 
61 typedef struct
62 {
66 
67 typedef enum
68 {
72 
73 /* map-server/map-resolver structure */
74 typedef struct
75 {
78  ip_address_t address;
79  char *key;
80 } lisp_msmr_t;
81 
82 typedef struct
83 {
84  /* headers */
85  u8 data[100];
89 
90 typedef enum
91 {
94  _MR_MODE_MAX
96 
97 #define foreach_lisp_flag_bit \
98  _(USE_PETR, "Use Proxy-ETR") \
99  _(STATS_ENABLED, "Statistics enabled")
100 
101 typedef enum lisp_flag_bits
102 {
103 #define _(sym, str) LISP_FLAG_BIT_##sym,
105 #undef _
107 
108 typedef enum lisp_flags
109 {
110 #define _(sym, str) LISP_FLAG_##sym = 1 << LISP_FLAG_BIT_##sym,
112 #undef _
113 } lisp_flags_e;
114 
115 typedef struct
116 {
118 
119  /* LISP feature status */
121 
122  /* eid table */
124 
125  /* pool of mappings */
127 
128  /* hash map of secret keys by mapping index */
130 
131  /* pool of locators */
133 
134  /* pool of locator-sets */
136 
137  /* vector of locator-set vectors composed of and indexed by locator index */
139 
140  /* hash map of locators by name */
142 
143  /* vector of eid index vectors supported and indexed by locator-set index */
145 
146  /* vectors of indexes for local locator-sets and mappings */
149 
150  /* hash map of forwarding entries by mapping index */
152 
153  /* forwarding entries pool */
155 
156  /* hash map keyed by nonce of pending map-requests */
158 
159  /* pool of pending map requests */
161 
162  /* hash map of sent map register messages */
164 
165  /* vector of map-resolvers */
167 
168  /* vector of map-servers */
170 
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;
176 
178 
179  /* map-request locator set index */
181 
182  /* vni to vrf hash tables */
185 
186  /* vni to bd-index hash tables */
189 
190  /* track l2 and l3 interfaces that have been created for vni */
192 
193  /* Proxy ITR map index */
195 
196  /** Proxy ETR map index */
198 
199  /* LISP PITR mode */
201 
202  /* map request mode */
204 
205  /* enable/disable map registering */
207 
208  /* enable/disable rloc-probing */
210 
211  /* timing wheel for mappping timeouts */
213 
214  /* commodity */
220 
221 /* lisp-gpe control plane */
223 
227 
229 
232 {
233  return &lisp_control_main;
234 }
235 
236 void
238  gid_address_t * src, gid_address_t * dst,
239  u16 type);
240 
241 typedef struct
242 {
244  union
245  {
248  };
252 
253 int
255  u32 * ls_index);
256 int
258  locator_set_t * ls, u32 * ls_index);
259 
260 typedef struct
261 {
265 
269 
272  u8 *key;
275 
276 int
278  u32 * map_index);
279 int
281  u32 * map_index_result);
282 
283 int
284 vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * dlocs, u8 action,
285  u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
286  u32 * res_map_index);
287 
288 typedef struct
289 {
294 
296 
297 typedef struct
298 {
300  ip_address_t address;
302 
303 int
305 int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add);
306 
309 
310 int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
311 int vnet_lisp_use_petr (ip_address_t * ip, u8 is_add);
312 
313 typedef struct
314 {
318 
319 int
321 
323 
324 int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
325 int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key,
326  u8 is_add);
334 
337 {
338  return pool_elt_at_index (lcm->mapping_pool, lcm->petr_map_index);
339 }
340 
341 #endif /* VNET_CONTROL_H_ */
342 
343 /*
344  * fd.io coding-style-patch-verification: ON
345  *
346  * Local Variables:
347  * eval: (c-set-style "gnu")
348  * End:
349  */
u8 vnet_lisp_map_register_state_get(void)
Definition: control.c:420
u8 is_down
Definition: control.h:76
u32 pitr_map_index
Definition: control.h:194
gid_address_t leid
Definition: control.h:63
a
Definition: bitmap.h:516
int vnet_lisp_add_del_map_table_key(gid_address_t *eid, char *key, u8 is_add)
int vnet_lisp_add_del_locator(vnet_lisp_add_del_locator_set_args_t *a, locator_set_t *ls, u32 *ls_index)
Definition: control.c:1497
int vnet_lisp_add_del_map_server(ip_address_t *addr, u8 is_add)
Definition: control.c:652
ip_address_t active_map_resolver
Definition: control.h:175
lisp_msmr_t * map_resolvers
Definition: control.h:166
locator_pair_t * locator_pairs
Definition: control.h:58
uword * table_id_by_vni
Definition: control.h:183
lisp_adjacency_t * vnet_lisp_adjacencies_get_by_vni(u32 vni)
Returns vector of adjacencies.
Definition: control.c:598
u32 * local_mappings_indexes
Definition: control.h:147
locator_t * locator_pool
Definition: control.h:132
Definition: control.h:53
struct _vlib_node_registration vlib_node_registration_t
vlib_node_registration_t lisp_cp_lookup_ip6_node
(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node)
Definition: control.c:2862
clib_error_t * lisp_cp_init()
int vnet_lisp_map_register_enable_disable(u8 is_enable)
Definition: control.c:1736
ip_address_t address
Definition: control.h:78
uword * vni_by_table_id
Definition: control.h:184
enum lisp_flag_bits lisp_flag_bits_e
lisp_msmr_t * map_servers
Definition: control.h:169
u32 ** locator_to_locator_sets
Definition: control.h:138
vlib_main_t * vlib_main
Definition: control.h:217
vlib_node_registration_t lisp_cp_lookup_ip4_node
(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node)
Definition: control.c:2843
void get_src_and_dst_eids_from_buffer(lisp_cp_main_t *lcm, vlib_buffer_t *b, gid_address_t *src, gid_address_t *dst, u16 type)
Definition: control.c:2666
#define always_inline
Definition: clib.h:84
u32 * fwd_entry_by_mapping_index
Definition: control.h:151
unsigned long u64
Definition: types.h:89
#define foreach_lisp_flag_bit
Definition: control.h:97
uword * bd_id_by_vni
Definition: control.h:187
static lisp_cp_main_t * vnet_lisp_cp_get_main()
Definition: control.h:231
uword * vni_by_bd_id
Definition: control.h:188
u8 vnet_lisp_get_map_request_mode(void)
Definition: control.c:55
lisp_flags
Definition: control.h:108
gid_address_t src
Definition: control.h:44
u32 petr_map_index
Proxy ETR map index.
Definition: control.h:197
ip6_main_t * im6
Definition: control.h:216
enum lisp_flags lisp_flags_e
u8 is_src_dst
Definition: control.h:57
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:397
u8 vnet_lisp_enable_disable_status(void)
Definition: control.c:1787
u8 do_map_resolver_election
Definition: control.h:177
f64 last_update
Definition: control.h:77
int vnet_lisp_set_map_request_mode(u8 mode)
Definition: control.c:1265
u8 * key_by_mapping_index
Definition: control.h:129
u32 * local_locator_set_indexes
Definition: control.h:148
gid_address_t reid
Definition: control.h:56
u8 map_request_mode
Definition: control.h:203
int vnet_lisp_rloc_probe_enable_disable(u8 is_enable)
Definition: control.c:1727
lisp_cp_main_t lisp_control_main
Definition: control.c:29
u8 map_registering
Definition: control.h:206
int vnet_lisp_use_petr(ip_address_t *ip, u8 is_add)
Configure Proxy-ETR.
Definition: control.c:1338
int vnet_lisp_add_del_mapping(gid_address_t *deid, locator_t *dlocs, u8 action, u8 authoritative, u32 ttl, u8 is_add, u8 is_static, u32 *res_map_index)
Adds/removes/updates mapping.
Definition: control.c:1035
uword * pending_map_requests_by_nonce
Definition: control.h:157
int vnet_lisp_map_cache_add_del(vnet_lisp_add_del_mapping_args_t *a, u32 *map_index)
Add/remove mapping to/from map-cache.
Definition: control.c:697
int vnet_lisp_eid_table_map(u32 vni, u32 vrf, u8 is_l2, u8 is_add)
Definition: control.c:832
char * key
Definition: control.h:79
int vnet_lisp_pitr_set_locator_set(u8 *locator_set_name, u8 is_add)
Definition: control.c:1286
u8 vnet_lisp_rloc_probe_state_get(void)
Definition: control.c:427
int vnet_lisp_add_del_map_resolver(vnet_lisp_add_del_map_resolver_args_t *a)
Definition: control.c:1794
timing_wheel_t wheel
Definition: control.h:212
struct _gid_address_t gid_address_t
lisp_flag_bits
Definition: control.h:101
unsigned int u32
Definition: types.h:88
int vnet_lisp_add_del_local_mapping(vnet_lisp_add_del_mapping_args_t *a, u32 *map_index_result)
Add/update/delete mapping to/in/from map-cache.
Definition: control.c:798
gid_dictionary_t mapping_index_by_gid
Definition: control.h:123
IPv4 main type.
Definition: ip4.h:107
uword * l2_dp_intf_by_vni
Definition: control.h:191
locator_set_t * locator_set_pool
Definition: control.h:135
u32 ** locator_set_to_eids
Definition: control.h:144
fwd_entry_t * fwd_entry_pool
Definition: control.h:154
u64 uword
Definition: types.h:112
pending_map_request_t * pending_map_requests_pool
Definition: control.h:160
miss_packet_type_t
Definition: control.h:67
unsigned short u16
Definition: types.h:57
int vnet_lisp_add_del_mreq_itr_rlocs(vnet_lisp_add_del_mreq_itr_rloc_args_t *a)
Definition: control.c:1842
map_request_mode_t
Definition: control.h:90
double f64
Definition: types.h:142
unsigned char u8
Definition: types.h:56
static mapping_t * lisp_get_petr_mapping(lisp_cp_main_t *lcm)
Definition: control.h:336
mapping_t * mapping_pool
Definition: control.h:126
uword * locator_set_index_by_name
Definition: control.h:141
int vnet_lisp_add_del_adjacency(vnet_lisp_add_del_adjacency_args_t *a)
Adds adjacency or removes forwarding entry associated to remote mapping.
Definition: control.c:1219
gid_address_t reid
Definition: control.h:64
vlib_node_registration_t lisp_cp_input_node
(constructor) VLIB_REGISTER_NODE (lisp_cp_input_node)
Definition: control.c:3560
gid_address_t dst
Definition: control.h:45
uword * map_register_messages_by_nonce
Definition: control.h:163
clib_error_t * vnet_lisp_enable_disable(u8 is_enabled)
Definition: control.c:1745
vhost_vring_addr_t addr
Definition: vhost-user.h:84
int vnet_lisp_clear_all_remote_adjacencies(void)
Definition: control.c:1168
u32 mreq_itr_rlocs
Definition: control.h:180
vnet_main_t * vnet_main
Definition: control.h:218
u32 length
Definition: control.h:86
ip4_main_t * im4
Definition: control.h:215
gid_address_t leid
Definition: control.h:55
miss_packet_type_t type
Definition: control.h:87
int vnet_lisp_add_del_locator_set(vnet_lisp_add_del_locator_set_args_t *a, u32 *ls_index)
Definition: control.c:1587