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2fb975da TT |
1 | /* NHRP daemon internal structures and function prototypes |
2 | * Copyright (c) 2014-2015 Timo Teräs | |
3 | * | |
4 | * This file is free software: you may copy, redistribute and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation, either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | */ | |
9 | ||
10 | #ifndef NHRPD_H | |
11 | #define NHRPD_H | |
12 | ||
2fb975da TT |
13 | #include "zbuf.h" |
14 | #include "zclient.h" | |
15 | #include "debug.h" | |
819dc8bb | 16 | #include "memory.h" |
fe9e7b71 | 17 | #include "resolver.h" |
819dc8bb | 18 | |
bf8d3d6a | 19 | DECLARE_MGROUP(NHRPD); |
2fb975da TT |
20 | |
21 | #define NHRPD_DEFAULT_HOLDTIME 7200 | |
22 | ||
442deed8 | 23 | #define NHRP_VTY_PORT 2610 |
2fb975da TT |
24 | #define NHRP_DEFAULT_CONFIG "nhrpd.conf" |
25 | ||
26 | extern struct thread_master *master; | |
27 | ||
996c9314 LB |
28 | enum { NHRP_OK = 0, |
29 | NHRP_ERR_FAIL, | |
30 | NHRP_ERR_NO_MEMORY, | |
31 | NHRP_ERR_UNSUPPORTED_INTERFACE, | |
32 | NHRP_ERR_NHRP_NOT_ENABLED, | |
33 | NHRP_ERR_ENTRY_EXISTS, | |
34 | NHRP_ERR_ENTRY_NOT_FOUND, | |
35 | NHRP_ERR_PROTOCOL_ADDRESS_MISMATCH, | |
36 | __NHRP_ERR_MAX }; | |
6c8ca260 | 37 | #define NHRP_ERR_MAX (__NHRP_ERR_MAX - 1) |
2fb975da TT |
38 | |
39 | struct notifier_block; | |
40 | ||
41 | typedef void (*notifier_fn_t)(struct notifier_block *, unsigned long); | |
42 | ||
865bf787 DL |
43 | PREDECL_DLIST(notifier_list); |
44 | ||
2fb975da | 45 | struct notifier_block { |
865bf787 | 46 | struct notifier_list_item notifier_entry; |
2fb975da TT |
47 | notifier_fn_t action; |
48 | }; | |
49 | ||
865bf787 DL |
50 | DECLARE_DLIST(notifier_list, struct notifier_block, notifier_entry); |
51 | ||
2fb975da | 52 | struct notifier_list { |
865bf787 | 53 | struct notifier_list_head head; |
2fb975da TT |
54 | }; |
55 | ||
996c9314 LB |
56 | #define NOTIFIER_LIST_INITIALIZER(l) \ |
57 | { \ | |
865bf787 | 58 | .head = INIT_DLIST((l)->head) \ |
996c9314 | 59 | } |
2fb975da TT |
60 | |
61 | static inline void notifier_init(struct notifier_list *l) | |
62 | { | |
865bf787 | 63 | notifier_list_init(&l->head); |
2fb975da TT |
64 | } |
65 | ||
996c9314 LB |
66 | static inline void notifier_add(struct notifier_block *n, |
67 | struct notifier_list *l, notifier_fn_t action) | |
2fb975da TT |
68 | { |
69 | n->action = action; | |
865bf787 | 70 | notifier_list_add_tail(&l->head, n); |
2fb975da TT |
71 | } |
72 | ||
865bf787 DL |
73 | static inline void notifier_del(struct notifier_block *n, |
74 | struct notifier_list *l) | |
2fb975da | 75 | { |
865bf787 | 76 | notifier_list_del(&l->head, n); |
2fb975da TT |
77 | } |
78 | ||
79 | static inline void notifier_call(struct notifier_list *l, int cmd) | |
80 | { | |
865bf787 DL |
81 | struct notifier_block *n; |
82 | ||
83 | frr_each_safe (notifier_list, &l->head, n) | |
123ea351 | 84 | n->action(n, cmd); |
2fb975da TT |
85 | } |
86 | ||
87 | static inline int notifier_active(struct notifier_list *l) | |
88 | { | |
865bf787 | 89 | return notifier_list_count(&l->head) > 0; |
2fb975da TT |
90 | } |
91 | ||
7f48cfa5 PG |
92 | extern struct hash *nhrp_gre_list; |
93 | ||
2fb975da TT |
94 | void nhrp_zebra_init(void); |
95 | void nhrp_zebra_terminate(void); | |
f468a45a | 96 | void nhrp_send_zebra_configure_arp(struct interface *ifp, int family); |
05657ec2 PG |
97 | void nhrp_send_zebra_nbr(union sockunion *in, |
98 | union sockunion *out, | |
99 | struct interface *ifp); | |
7f48cfa5 PG |
100 | |
101 | void nhrp_send_zebra_gre_source_set(struct interface *ifp, | |
102 | unsigned int link_idx, | |
103 | vrf_id_t link_vrf_id); | |
104 | ||
105 | extern int nhrp_send_zebra_gre_request(struct interface *ifp); | |
106 | extern struct nhrp_gre_info *nhrp_gre_info_alloc(struct nhrp_gre_info *p); | |
107 | ||
2fb975da TT |
108 | struct zbuf; |
109 | struct nhrp_vc; | |
110 | struct nhrp_cache; | |
111 | struct nhrp_nhs; | |
112 | struct nhrp_interface; | |
113 | ||
114 | #define MAX_ID_LENGTH 64 | |
115 | #define MAX_CERT_LENGTH 2048 | |
116 | ||
117 | enum nhrp_notify_type { | |
118 | NOTIFY_INTERFACE_UP, | |
119 | NOTIFY_INTERFACE_DOWN, | |
120 | NOTIFY_INTERFACE_CHANGED, | |
121 | NOTIFY_INTERFACE_ADDRESS_CHANGED, | |
122 | NOTIFY_INTERFACE_NBMA_CHANGED, | |
123 | NOTIFY_INTERFACE_MTU_CHANGED, | |
58ef1668 | 124 | NOTIFY_INTERFACE_IPSEC_CHANGED, |
2fb975da TT |
125 | |
126 | NOTIFY_VC_IPSEC_CHANGED, | |
127 | NOTIFY_VC_IPSEC_UPDATE_NBMA, | |
128 | ||
129 | NOTIFY_PEER_UP, | |
130 | NOTIFY_PEER_DOWN, | |
131 | NOTIFY_PEER_IFCONFIG_CHANGED, | |
132 | NOTIFY_PEER_MTU_CHANGED, | |
133 | NOTIFY_PEER_NBMA_CHANGING, | |
134 | ||
135 | NOTIFY_CACHE_UP, | |
136 | NOTIFY_CACHE_DOWN, | |
137 | NOTIFY_CACHE_DELETE, | |
138 | NOTIFY_CACHE_USED, | |
139 | NOTIFY_CACHE_BINDING_CHANGE, | |
140 | }; | |
141 | ||
142 | struct nhrp_vc { | |
143 | struct notifier_list notifier_list; | |
6cfd90f3 | 144 | uint32_t ipsec; |
4cbaf956 | 145 | uint32_t ike_uniqueid; |
2fb975da TT |
146 | uint8_t updating; |
147 | uint8_t abort_migration; | |
148 | ||
149 | struct nhrp_vc_peer { | |
150 | union sockunion nbma; | |
151 | char id[MAX_ID_LENGTH]; | |
152 | uint16_t certlen; | |
153 | uint8_t cert[MAX_CERT_LENGTH]; | |
154 | } local, remote; | |
155 | }; | |
156 | ||
157 | enum nhrp_route_type { | |
158 | NHRP_ROUTE_BLACKHOLE, | |
159 | NHRP_ROUTE_LOCAL, | |
160 | NHRP_ROUTE_NBMA_NEXTHOP, | |
161 | NHRP_ROUTE_OFF_NBMA, | |
162 | }; | |
163 | ||
164 | struct nhrp_peer { | |
165 | unsigned int ref; | |
166 | unsigned online : 1; | |
167 | unsigned requested : 1; | |
168 | unsigned fallback_requested : 1; | |
169 | unsigned prio : 1; | |
170 | struct notifier_list notifier_list; | |
171 | struct interface *ifp; | |
172 | struct nhrp_vc *vc; | |
173 | struct thread *t_fallback; | |
174 | struct notifier_block vc_notifier, ifp_notifier; | |
bb58f442 | 175 | struct thread *t_timer; |
2fb975da TT |
176 | }; |
177 | ||
178 | struct nhrp_packet_parser { | |
179 | struct interface *ifp; | |
180 | struct nhrp_afi_data *if_ad; | |
181 | struct nhrp_peer *peer; | |
182 | struct zbuf *pkt; | |
183 | struct zbuf payload; | |
184 | struct zbuf extensions; | |
185 | struct nhrp_packet_header *hdr; | |
186 | enum nhrp_route_type route_type; | |
187 | struct prefix route_prefix; | |
188 | union sockunion src_nbma, src_proto, dst_proto; | |
189 | }; | |
190 | ||
191 | struct nhrp_reqid_pool { | |
192 | struct hash *reqid_hash; | |
193 | uint32_t next_request_id; | |
194 | }; | |
195 | ||
196 | struct nhrp_reqid { | |
197 | uint32_t request_id; | |
198 | void (*cb)(struct nhrp_reqid *, void *); | |
199 | }; | |
200 | ||
201 | extern struct nhrp_reqid_pool nhrp_packet_reqid; | |
202 | extern struct nhrp_reqid_pool nhrp_event_reqid; | |
203 | ||
204 | enum nhrp_cache_type { | |
205 | NHRP_CACHE_INVALID = 0, | |
206 | NHRP_CACHE_INCOMPLETE, | |
207 | NHRP_CACHE_NEGATIVE, | |
208 | NHRP_CACHE_CACHED, | |
209 | NHRP_CACHE_DYNAMIC, | |
210 | NHRP_CACHE_NHS, | |
211 | NHRP_CACHE_STATIC, | |
212 | NHRP_CACHE_LOCAL, | |
213 | NHRP_CACHE_NUM_TYPES | |
214 | }; | |
215 | ||
996c9314 | 216 | extern const char *const nhrp_cache_type_str[]; |
2fb975da TT |
217 | extern unsigned long nhrp_cache_counts[NHRP_CACHE_NUM_TYPES]; |
218 | ||
fef2ed13 PG |
219 | struct nhrp_cache_config { |
220 | struct interface *ifp; | |
221 | union sockunion remote_addr; | |
222 | enum nhrp_cache_type type; | |
223 | union sockunion nbma; | |
224 | }; | |
225 | ||
2fb975da TT |
226 | struct nhrp_cache { |
227 | struct interface *ifp; | |
228 | union sockunion remote_addr; | |
229 | ||
230 | unsigned map : 1; | |
231 | unsigned used : 1; | |
232 | unsigned route_installed : 1; | |
233 | unsigned nhrp_route_installed : 1; | |
234 | ||
235 | struct notifier_block peer_notifier; | |
236 | struct notifier_block newpeer_notifier; | |
237 | struct notifier_list notifier_list; | |
238 | struct nhrp_reqid eventid; | |
239 | struct thread *t_timeout; | |
240 | struct thread *t_auth; | |
241 | ||
242 | struct { | |
243 | enum nhrp_cache_type type; | |
244 | union sockunion remote_nbma_natoa; | |
85365e51 | 245 | union sockunion remote_nbma_claimed; |
2fb975da TT |
246 | struct nhrp_peer *peer; |
247 | time_t expires; | |
248 | uint32_t mtu; | |
bb58f442 | 249 | int holding_time; |
2fb975da TT |
250 | } cur, new; |
251 | }; | |
252 | ||
253 | struct nhrp_shortcut { | |
254 | struct prefix *p; | |
255 | union sockunion addr; | |
256 | ||
257 | struct nhrp_reqid reqid; | |
258 | struct thread *t_timer; | |
259 | ||
260 | enum nhrp_cache_type type; | |
261 | unsigned int holding_time; | |
262 | unsigned route_installed : 1; | |
263 | unsigned expiring : 1; | |
264 | ||
265 | struct nhrp_cache *cache; | |
266 | struct notifier_block cache_notifier; | |
267 | }; | |
268 | ||
2ab2a761 | 269 | PREDECL_DLIST(nhrp_nhslist); |
db4db2bb | 270 | PREDECL_DLIST(nhrp_mcastlist); |
811de44f | 271 | PREDECL_DLIST(nhrp_reglist); |
2ab2a761 | 272 | |
2fb975da TT |
273 | struct nhrp_nhs { |
274 | struct interface *ifp; | |
2ab2a761 | 275 | struct nhrp_nhslist_item nhslist_entry; |
2fb975da TT |
276 | |
277 | unsigned hub : 1; | |
278 | afi_t afi; | |
279 | union sockunion proto_addr; | |
996c9314 | 280 | const char *nbma_fqdn; /* IP-address or FQDN */ |
2fb975da TT |
281 | |
282 | struct thread *t_resolve; | |
283 | struct resolver_query dns_resolve; | |
811de44f | 284 | struct nhrp_reglist_head reglist_head; |
2fb975da TT |
285 | }; |
286 | ||
2ab2a761 DL |
287 | DECLARE_DLIST(nhrp_nhslist, struct nhrp_nhs, nhslist_entry); |
288 | ||
fa31fcf2 AL |
289 | struct nhrp_multicast { |
290 | struct interface *ifp; | |
db4db2bb | 291 | struct nhrp_mcastlist_item mcastlist_entry; |
fa31fcf2 AL |
292 | afi_t afi; |
293 | union sockunion nbma_addr; /* IP-address */ | |
294 | }; | |
295 | ||
db4db2bb DL |
296 | DECLARE_DLIST(nhrp_mcastlist, struct nhrp_multicast, mcastlist_entry); |
297 | ||
0ca036b4 | 298 | struct nhrp_registration { |
811de44f | 299 | struct nhrp_reglist_item reglist_entry; |
0ca036b4 TT |
300 | struct thread *t_register; |
301 | struct nhrp_nhs *nhs; | |
302 | struct nhrp_reqid reqid; | |
303 | unsigned int timeout; | |
304 | unsigned mark : 1; | |
305 | union sockunion proto_addr; | |
306 | struct nhrp_peer *peer; | |
307 | struct notifier_block peer_notifier; | |
308 | }; | |
309 | ||
811de44f DL |
310 | DECLARE_DLIST(nhrp_reglist, struct nhrp_registration, reglist_entry); |
311 | ||
2fb975da TT |
312 | #define NHRP_IFF_SHORTCUT 0x0001 |
313 | #define NHRP_IFF_REDIRECT 0x0002 | |
314 | #define NHRP_IFF_REG_NO_UNIQUE 0x0100 | |
315 | ||
316 | struct nhrp_interface { | |
317 | struct interface *ifp; | |
318 | ||
319 | unsigned enabled : 1; | |
320 | ||
321 | char *ipsec_profile, *ipsec_fallback_profile, *source; | |
322 | union sockunion nbma; | |
323 | union sockunion nat_nbma; | |
7f48cfa5 PG |
324 | unsigned int link_idx; |
325 | unsigned int link_vrf_id; | |
326 | uint32_t i_grekey; | |
327 | uint32_t o_grekey; | |
2fb975da TT |
328 | |
329 | struct hash *peer_hash; | |
fef2ed13 | 330 | struct hash *cache_config_hash; |
2fb975da TT |
331 | struct hash *cache_hash; |
332 | ||
333 | struct notifier_list notifier_list; | |
334 | ||
335 | struct interface *nbmaifp; | |
336 | struct notifier_block nbmanifp_notifier; | |
337 | ||
338 | struct nhrp_afi_data { | |
339 | unsigned flags; | |
340 | unsigned short configured : 1; | |
341 | union sockunion addr; | |
342 | uint32_t network_id; | |
343 | short configured_mtu; | |
344 | unsigned short mtu; | |
345 | unsigned int holdtime; | |
2ab2a761 | 346 | struct nhrp_nhslist_head nhslist_head; |
db4db2bb | 347 | struct nhrp_mcastlist_head mcastlist_head; |
2fb975da TT |
348 | } afi[AFI_MAX]; |
349 | }; | |
350 | ||
7f48cfa5 PG |
351 | struct nhrp_gre_info { |
352 | ifindex_t ifindex; | |
353 | struct in_addr vtep_ip; /* IFLA_GRE_LOCAL */ | |
354 | struct in_addr vtep_ip_remote; /* IFLA_GRE_REMOTE */ | |
355 | uint32_t ikey; | |
356 | uint32_t okey; | |
357 | ifindex_t ifindex_link; /* Interface index of interface | |
358 | * linked with GRE | |
359 | */ | |
360 | vrf_id_t vrfid_link; | |
361 | }; | |
362 | ||
26efbc7b DS |
363 | extern struct zebra_privs_t nhrpd_privs; |
364 | ||
2fb975da TT |
365 | int sock_open_unix(const char *path); |
366 | ||
367 | void nhrp_interface_init(void); | |
368 | void nhrp_interface_update(struct interface *ifp); | |
369 | void nhrp_interface_update_mtu(struct interface *ifp, afi_t afi); | |
7f48cfa5 PG |
370 | void nhrp_interface_update_nbma(struct interface *ifp, |
371 | struct nhrp_gre_info *gre_info); | |
2fb975da | 372 | |
121f9dee QY |
373 | int nhrp_interface_add(ZAPI_CALLBACK_ARGS); |
374 | int nhrp_interface_delete(ZAPI_CALLBACK_ARGS); | |
375 | int nhrp_interface_up(ZAPI_CALLBACK_ARGS); | |
376 | int nhrp_interface_down(ZAPI_CALLBACK_ARGS); | |
377 | int nhrp_interface_address_add(ZAPI_CALLBACK_ARGS); | |
378 | int nhrp_interface_address_delete(ZAPI_CALLBACK_ARGS); | |
a243d1db DL |
379 | int nhrp_neighbor_operation(ZAPI_CALLBACK_ARGS); |
380 | int nhrp_gre_update(ZAPI_CALLBACK_ARGS); | |
996c9314 LB |
381 | |
382 | void nhrp_interface_notify_add(struct interface *ifp, struct notifier_block *n, | |
383 | notifier_fn_t fn); | |
2fb975da | 384 | void nhrp_interface_notify_del(struct interface *ifp, struct notifier_block *n); |
996c9314 LB |
385 | void nhrp_interface_set_protection(struct interface *ifp, const char *profile, |
386 | const char *fallback_profile); | |
2fb975da | 387 | void nhrp_interface_set_source(struct interface *ifp, const char *ifname); |
138c5a74 DS |
388 | extern int nhrp_ifp_create(struct interface *ifp); |
389 | extern int nhrp_ifp_up(struct interface *ifp); | |
390 | extern int nhrp_ifp_down(struct interface *ifp); | |
391 | extern int nhrp_ifp_destroy(struct interface *ifp); | |
2fb975da | 392 | |
996c9314 LB |
393 | int nhrp_nhs_add(struct interface *ifp, afi_t afi, union sockunion *proto_addr, |
394 | const char *nbma_fqdn); | |
395 | int nhrp_nhs_del(struct interface *ifp, afi_t afi, union sockunion *proto_addr, | |
396 | const char *nbma_fqdn); | |
2ab2a761 | 397 | int nhrp_nhs_free(struct nhrp_interface *nifp, afi_t afi, struct nhrp_nhs *nhs); |
2fb975da | 398 | void nhrp_nhs_terminate(void); |
996c9314 LB |
399 | void nhrp_nhs_foreach(struct interface *ifp, afi_t afi, |
400 | void (*cb)(struct nhrp_nhs *, struct nhrp_registration *, | |
401 | void *), | |
402 | void *ctx); | |
ee72f0a0 | 403 | void nhrp_nhs_interface_del(struct interface *ifp); |
2fb975da | 404 | |
0f8595a9 RD |
405 | int nhrp_multicast_add(struct interface *ifp, afi_t afi, |
406 | union sockunion *nbma_addr); | |
407 | int nhrp_multicast_del(struct interface *ifp, afi_t afi, | |
408 | union sockunion *nbma_addr); | |
fa31fcf2 AL |
409 | void nhrp_multicast_interface_del(struct interface *ifp); |
410 | void nhrp_multicast_foreach(struct interface *ifp, afi_t afi, | |
0f8595a9 RD |
411 | void (*cb)(struct nhrp_multicast *, void *), |
412 | void *ctx); | |
9084e209 | 413 | void netlink_mcast_set_nflog_group(int nlgroup); |
fa31fcf2 | 414 | |
2fb975da | 415 | void nhrp_route_update_nhrp(const struct prefix *p, struct interface *ifp); |
996c9314 LB |
416 | void nhrp_route_announce(int add, enum nhrp_cache_type type, |
417 | const struct prefix *p, struct interface *ifp, | |
418 | const union sockunion *nexthop, uint32_t mtu); | |
121f9dee | 419 | int nhrp_route_read(ZAPI_CALLBACK_ARGS); |
996c9314 LB |
420 | int nhrp_route_get_nexthop(const union sockunion *addr, struct prefix *p, |
421 | union sockunion *via, struct interface **ifp); | |
422 | enum nhrp_route_type nhrp_route_address(struct interface *in_ifp, | |
423 | union sockunion *addr, struct prefix *p, | |
424 | struct nhrp_peer **peer); | |
2fb975da TT |
425 | |
426 | void nhrp_config_init(void); | |
427 | ||
428 | void nhrp_shortcut_init(void); | |
429 | void nhrp_shortcut_terminate(void); | |
430 | void nhrp_shortcut_initiate(union sockunion *addr); | |
996c9314 LB |
431 | void nhrp_shortcut_foreach(afi_t afi, |
432 | void (*cb)(struct nhrp_shortcut *, void *), | |
433 | void *ctx); | |
2fb975da TT |
434 | void nhrp_shortcut_purge(struct nhrp_shortcut *s, int force); |
435 | void nhrp_shortcut_prefix_change(const struct prefix *p, int deleted); | |
436 | ||
ee72f0a0 | 437 | void nhrp_cache_interface_del(struct interface *ifp); |
fef2ed13 PG |
438 | void nhrp_cache_config_free(struct nhrp_cache_config *c); |
439 | struct nhrp_cache_config *nhrp_cache_config_get(struct interface *ifp, | |
440 | union sockunion *remote_addr, | |
441 | int create); | |
996c9314 LB |
442 | struct nhrp_cache *nhrp_cache_get(struct interface *ifp, |
443 | union sockunion *remote_addr, int create); | |
444 | void nhrp_cache_foreach(struct interface *ifp, | |
445 | void (*cb)(struct nhrp_cache *, void *), void *ctx); | |
fef2ed13 PG |
446 | void nhrp_cache_config_foreach(struct interface *ifp, |
447 | void (*cb)(struct nhrp_cache_config *, void *), void *ctx); | |
2fb975da | 448 | void nhrp_cache_set_used(struct nhrp_cache *, int); |
996c9314 LB |
449 | int nhrp_cache_update_binding(struct nhrp_cache *, enum nhrp_cache_type type, |
450 | int holding_time, struct nhrp_peer *p, | |
85365e51 AL |
451 | uint32_t mtu, union sockunion *nbma_natoa, |
452 | union sockunion *claimed_nbma); | |
996c9314 LB |
453 | void nhrp_cache_notify_add(struct nhrp_cache *c, struct notifier_block *, |
454 | notifier_fn_t); | |
2fb975da TT |
455 | void nhrp_cache_notify_del(struct nhrp_cache *c, struct notifier_block *); |
456 | ||
457 | void nhrp_vc_init(void); | |
458 | void nhrp_vc_terminate(void); | |
996c9314 LB |
459 | struct nhrp_vc *nhrp_vc_get(const union sockunion *src, |
460 | const union sockunion *dst, int create); | |
2fb975da | 461 | int nhrp_vc_ipsec_updown(uint32_t child_id, struct nhrp_vc *vc); |
996c9314 LB |
462 | void nhrp_vc_notify_add(struct nhrp_vc *, struct notifier_block *, |
463 | notifier_fn_t); | |
2fb975da TT |
464 | void nhrp_vc_notify_del(struct nhrp_vc *, struct notifier_block *); |
465 | void nhrp_vc_foreach(void (*cb)(struct nhrp_vc *, void *), void *ctx); | |
466 | void nhrp_vc_reset(void); | |
467 | ||
468 | void vici_init(void); | |
469 | void vici_terminate(void); | |
083bbfae GG |
470 | void vici_terminate_vc_by_profile_name(char *profile_name); |
471 | void vici_terminate_vc_by_ike_id(unsigned int ike_id); | |
996c9314 LB |
472 | void vici_request_vc(const char *profile, union sockunion *src, |
473 | union sockunion *dst, int prio); | |
2fb975da TT |
474 | |
475 | extern const char *nhrp_event_socket_path; | |
476 | ||
477 | void evmgr_init(void); | |
478 | void evmgr_terminate(void); | |
479 | void evmgr_set_socket(const char *socket); | |
996c9314 LB |
480 | void evmgr_notify(const char *name, struct nhrp_cache *c, |
481 | void (*cb)(struct nhrp_reqid *, void *)); | |
2fb975da | 482 | |
996c9314 LB |
483 | struct nhrp_packet_header *nhrp_packet_push(struct zbuf *zb, uint8_t type, |
484 | const union sockunion *src_nbma, | |
485 | const union sockunion *src_proto, | |
486 | const union sockunion *dst_proto); | |
2fb975da TT |
487 | void nhrp_packet_complete(struct zbuf *zb, struct nhrp_packet_header *hdr); |
488 | uint16_t nhrp_packet_calculate_checksum(const uint8_t *pdu, uint16_t len); | |
489 | ||
996c9314 LB |
490 | struct nhrp_packet_header *nhrp_packet_pull(struct zbuf *zb, |
491 | union sockunion *src_nbma, | |
492 | union sockunion *src_proto, | |
493 | union sockunion *dst_proto); | |
494 | ||
495 | struct nhrp_cie_header *nhrp_cie_push(struct zbuf *zb, uint8_t code, | |
496 | const union sockunion *nbma, | |
497 | const union sockunion *proto); | |
498 | struct nhrp_cie_header *nhrp_cie_pull(struct zbuf *zb, | |
499 | struct nhrp_packet_header *hdr, | |
500 | union sockunion *nbma, | |
501 | union sockunion *proto); | |
502 | ||
503 | struct nhrp_extension_header * | |
504 | nhrp_ext_push(struct zbuf *zb, struct nhrp_packet_header *hdr, uint16_t type); | |
2fb975da | 505 | void nhrp_ext_complete(struct zbuf *zb, struct nhrp_extension_header *ext); |
996c9314 LB |
506 | struct nhrp_extension_header *nhrp_ext_pull(struct zbuf *zb, |
507 | struct zbuf *payload); | |
508 | void nhrp_ext_request(struct zbuf *zb, struct nhrp_packet_header *hdr, | |
509 | struct interface *); | |
510 | int nhrp_ext_reply(struct zbuf *zb, struct nhrp_packet_header *hdr, | |
511 | struct interface *ifp, struct nhrp_extension_header *ext, | |
512 | struct zbuf *extpayload); | |
513 | ||
514 | uint32_t nhrp_reqid_alloc(struct nhrp_reqid_pool *, struct nhrp_reqid *r, | |
515 | void (*cb)(struct nhrp_reqid *, void *)); | |
2fb975da TT |
516 | void nhrp_reqid_free(struct nhrp_reqid_pool *, struct nhrp_reqid *r); |
517 | struct nhrp_reqid *nhrp_reqid_lookup(struct nhrp_reqid_pool *, uint32_t reqid); | |
518 | ||
519 | int nhrp_packet_init(void); | |
520 | ||
ee72f0a0 | 521 | void nhrp_peer_interface_del(struct interface *ifp); |
996c9314 LB |
522 | struct nhrp_peer *nhrp_peer_get(struct interface *ifp, |
523 | const union sockunion *remote_nbma); | |
2fb975da TT |
524 | struct nhrp_peer *nhrp_peer_ref(struct nhrp_peer *p); |
525 | void nhrp_peer_unref(struct nhrp_peer *p); | |
526 | int nhrp_peer_check(struct nhrp_peer *p, int establish); | |
996c9314 LB |
527 | void nhrp_peer_notify_add(struct nhrp_peer *p, struct notifier_block *, |
528 | notifier_fn_t); | |
2fb975da TT |
529 | void nhrp_peer_notify_del(struct nhrp_peer *p, struct notifier_block *); |
530 | void nhrp_peer_recv(struct nhrp_peer *p, struct zbuf *zb); | |
531 | void nhrp_peer_send(struct nhrp_peer *p, struct zbuf *zb); | |
532 | void nhrp_peer_send_indication(struct interface *ifp, uint16_t, struct zbuf *); | |
533 | ||
bb58f442 GG |
534 | int nhrp_nhs_match_ip(union sockunion *in_ip, struct nhrp_interface *nifp); |
535 | ||
2fb975da | 536 | #endif |