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mgmtd: Add note to SETCFG_REQ and debug logging
[mirror_frr.git] / ldpd / ldpd.h
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acddc0ed 1// SPDX-License-Identifier: ISC
8429abe0
RW		 2/* $OpenBSD$ */
3
4/*
5 * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
6 * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
7 * Copyright (c) 2004 Esben Norby <norby@openbsd.org>
8 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
8429abe0
RW		 9 */
10
11#ifndef _LDPD_H_
12#define _LDPD_H_
13
cd85bc2e 14#include "queue.h"
eac6e3f0
RW		 15#include "openbsd-tree.h"
16#include "imsg.h"
24a58196 17#include "frrevent.h"
4af8997d 18#include "qobj.h"
26519d8c 19#include "prefix.h"
45a8eba9 20#include "filter.h"
e4a82008 21#include "vty.h"
6833ae01 22#include "pw.h"
87b5f1b7 23#include "zclient.h"
8429abe0
RW		 24
25#include "ldp.h"
e1894ff7 26#include "lib/ldp_sync.h"
8429abe0
RW		 27
28#define CONF_FILE "/etc/ldpd.conf"
8429abe0
RW		 29#define LDPD_USER "_ldpd"
30
28e8294c
RW		 31#define LDPD_FD_ASYNC 3
32#define LDPD_FD_SYNC 4
33
8429abe0
RW		 34#define LDPD_OPT_VERBOSE 0x00000001
35#define LDPD_OPT_VERBOSE2 0x00000002
36#define LDPD_OPT_NOACTION 0x00000004
37
38#define TCP_MD5_KEY_LEN 80
8429abe0
RW		 39
40#define RT_BUF_SIZE 16384
41#define MAX_RTSOCK_BUF 128 * 1024
42#define LDP_BACKLOG 128
43
44#define F_LDPD_INSERTED 0x0001
45#define F_CONNECTED 0x0002
46#define F_STATIC 0x0004
47#define F_DYNAMIC 0x0008
48#define F_REJECT 0x0010
49#define F_BLACKHOLE 0x0020
50#define F_REDISTRIBUTED 0x0040
51
52struct evbuf {
eac6e3f0 53 struct msgbuf wbuf;
e6685141
DS		 54 struct event *ev;
55 void (*handler)(struct event *);
eac6e3f0 56 void *arg;
8429abe0
RW		 57};
58
59struct imsgev {
60 struct imsgbuf ibuf;
e6685141
DS		 61 void (*handler_write)(struct event *);
62 struct event *ev_write;
63 void (*handler_read)(struct event *);
64 struct event *ev_read;
8429abe0
RW		 65};
66
67enum imsg_type {
68 IMSG_NONE,
69 IMSG_CTL_RELOAD,
70 IMSG_CTL_SHOW_INTERFACE,
71 IMSG_CTL_SHOW_DISCOVERY,
bc0eb287 72 IMSG_CTL_SHOW_DISCOVERY_DTL,
eac6e3f0
RW		 73 IMSG_CTL_SHOW_DISC_IFACE,
74 IMSG_CTL_SHOW_DISC_TNBR,
75 IMSG_CTL_SHOW_DISC_ADJ,
8429abe0 76 IMSG_CTL_SHOW_NBR,
eac6e3f0
RW		 77 IMSG_CTL_SHOW_NBR_DISC,
78 IMSG_CTL_SHOW_NBR_END,
8429abe0 79 IMSG_CTL_SHOW_LIB,
0f7b5df9
RW		 80 IMSG_CTL_SHOW_LIB_BEGIN,
81 IMSG_CTL_SHOW_LIB_SENT,
82 IMSG_CTL_SHOW_LIB_RCVD,
83 IMSG_CTL_SHOW_LIB_END,
8429abe0
RW		 84 IMSG_CTL_SHOW_L2VPN_PW,
85 IMSG_CTL_SHOW_L2VPN_BINDING,
e1894ff7 86 IMSG_CTL_SHOW_LDP_SYNC,
8429abe0
RW		 87 IMSG_CTL_CLEAR_NBR,
88 IMSG_CTL_FIB_COUPLE,
89 IMSG_CTL_FIB_DECOUPLE,
90 IMSG_CTL_KROUTE,
91 IMSG_CTL_KROUTE_ADDR,
92 IMSG_CTL_IFINFO,
93 IMSG_CTL_END,
94 IMSG_CTL_LOG_VERBOSE,
95 IMSG_KLABEL_CHANGE,
96 IMSG_KLABEL_DELETE,
87b5f1b7
RW		 97 IMSG_KPW_ADD,
98 IMSG_KPW_DELETE,
99 IMSG_KPW_SET,
100 IMSG_KPW_UNSET,
8429abe0
RW		 101 IMSG_IFSTATUS,
102 IMSG_NEWADDR,
103 IMSG_DELADDR,
eac6e3f0 104 IMSG_RTRID_UPDATE,
8429abe0
RW		 105 IMSG_LABEL_MAPPING,
106 IMSG_LABEL_MAPPING_FULL,
107 IMSG_LABEL_REQUEST,
108 IMSG_LABEL_RELEASE,
109 IMSG_LABEL_WITHDRAW,
110 IMSG_LABEL_ABORT,
111 IMSG_REQUEST_ADD,
112 IMSG_REQUEST_ADD_END,
113 IMSG_MAPPING_ADD,
114 IMSG_MAPPING_ADD_END,
115 IMSG_RELEASE_ADD,
116 IMSG_RELEASE_ADD_END,
117 IMSG_WITHDRAW_ADD,
118 IMSG_WITHDRAW_ADD_END,
119 IMSG_ADDRESS_ADD,
120 IMSG_ADDRESS_DEL,
121 IMSG_NOTIFICATION,
122 IMSG_NOTIFICATION_SEND,
123 IMSG_NEIGHBOR_UP,
124 IMSG_NEIGHBOR_DOWN,
125 IMSG_NETWORK_ADD,
8cb1fc45 126 IMSG_NETWORK_UPDATE,
8429abe0
RW		 127 IMSG_SOCKET_IPC,
128 IMSG_SOCKET_NET,
129 IMSG_CLOSE_SOCKETS,
130 IMSG_REQUEST_SOCKETS,
131 IMSG_SETUP_SOCKETS,
132 IMSG_RECONF_CONF,
133 IMSG_RECONF_IFACE,
134 IMSG_RECONF_TNBR,
135 IMSG_RECONF_NBRP,
136 IMSG_RECONF_L2VPN,
137 IMSG_RECONF_L2VPN_IF,
138 IMSG_RECONF_L2VPN_PW,
eac6e3f0
RW		 139 IMSG_RECONF_L2VPN_IPW,
140 IMSG_RECONF_END,
141 IMSG_DEBUG_UPDATE,
45a8eba9 142 IMSG_LOG,
274f5abf 143 IMSG_ACL_CHECK,
87b5f1b7 144 IMSG_INIT,
2d1aa1e8 145 IMSG_PW_UPDATE,
146 IMSG_FILTER_UPDATE,
e1894ff7
KS		 147 IMSG_NBR_SHUTDOWN,
148 IMSG_LDP_SYNC_IF_STATE_REQUEST,
077d336a
RW		 149 IMSG_LDP_SYNC_IF_STATE_UPDATE,
150 IMSG_RLFA_REG,
151 IMSG_RLFA_UNREG_ALL,
152 IMSG_RLFA_LABELS,
f9a4d683 153 IMSG_AGENTX_ENABLED,
274f5abf
RW		 154};
155
156struct ldpd_init {
157 char user[256];
158 char group[256];
159 char ctl_sock_path[MAXPATHLEN];
160 char zclient_serv_path[MAXPATHLEN];
d7c0a89a 161 unsigned short instance;
8429abe0
RW		 162};
163
2d1aa1e8 164struct ldp_access {
165 char name[ACL_NAMSIZ];
2d1aa1e8 166};
167
8429abe0
RW		 168union ldpd_addr {
169 struct in_addr v4;
170 struct in6_addr v6;
171};
172
173#define IN6_IS_SCOPE_EMBED(a) \
174 ((IN6_IS_ADDR_LINKLOCAL(a)) || \
175 (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \
176 (IN6_IS_ADDR_MC_INTFACELOCAL(a)))
177
178/* interface states */
179#define IF_STA_DOWN 0x01
180#define IF_STA_ACTIVE 0x02
181
182/* targeted neighbor states */
183#define TNBR_STA_DOWN 0x01
184#define TNBR_STA_ACTIVE 0x02
185
186/* interface types */
187enum iface_type {
188 IF_TYPE_POINTOPOINT,
189 IF_TYPE_BROADCAST
190};
191
192/* neighbor states */
193#define NBR_STA_PRESENT 0x0001
194#define NBR_STA_INITIAL 0x0002
195#define NBR_STA_OPENREC 0x0004
196#define NBR_STA_OPENSENT 0x0008
197#define NBR_STA_OPER 0x0010
198#define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \
199 NBR_STA_OPENSENT | NBR_STA_OPER)
200
201/* neighbor events */
202enum nbr_event {
203 NBR_EVT_NOTHING,
204 NBR_EVT_MATCH_ADJ,
205 NBR_EVT_CONNECT_UP,
206 NBR_EVT_CLOSE_SESSION,
207 NBR_EVT_INIT_RCVD,
208 NBR_EVT_KEEPALIVE_RCVD,
209 NBR_EVT_PDU_RCVD,
210 NBR_EVT_PDU_SENT,
211 NBR_EVT_INIT_SENT
212};
213
214/* neighbor actions */
215enum nbr_action {
216 NBR_ACT_NOTHING,
217 NBR_ACT_RST_KTIMEOUT,
218 NBR_ACT_SESSION_EST,
219 NBR_ACT_RST_KTIMER,
220 NBR_ACT_CONNECT_SETUP,
221 NBR_ACT_PASSIVE_INIT,
222 NBR_ACT_KEEPALIVE_SEND,
223 NBR_ACT_CLOSE_SESSION
224};
225
e1894ff7
KS		 226/* LDP IGP Sync states */
227#define LDP_SYNC_STA_UNKNOWN 0x0000
228#define LDP_SYNC_STA_NOT_ACH 0x0001
229#define LDP_SYNC_STA_ACH 0x0002
230
231/* LDP IGP Sync events */
232enum ldp_sync_event {
233 LDP_SYNC_EVT_NOTHING,
234 LDP_SYNC_EVT_LDP_SYNC_START,
235 LDP_SYNC_EVT_LDP_SYNC_COMPLETE,
236 LDP_SYNC_EVT_CONFIG_LDP_OFF,
237 LDP_SYNC_EVT_ADJ_DEL,
238 LDP_SYNC_EVT_ADJ_NEW,
239 LDP_SYNC_EVT_SESSION_CLOSE,
240 LDP_SYNC_EVT_CONFIG_LDP_ON,
241 LDP_SYNC_EVT_IFACE_SHUTDOWN
242};
243
244/* LDP IGP Sync actions */
245enum ldp_sync_action {
246 LDP_SYNC_ACT_NOTHING,
247 LDP_SYNC_ACT_IFACE_START_SYNC,
248 LDP_SYNC_ACT_LDP_START_SYNC,
249 LDP_SYNC_ACT_LDP_COMPLETE_SYNC,
250 LDP_SYNC_ACT_CONFIG_LDP_OFF,
251 LDP_SYNC_ACT_IFACE_SHUTDOWN
252};
253
057d48bd
RW		 254/* forward declarations */
255RB_HEAD(global_adj_head, adj);
256RB_HEAD(nbr_adj_head, adj);
257RB_HEAD(ia_adj_head, adj);
8429abe0
RW		 258
259struct map {
260 uint8_t type;
261 uint32_t msg_id;
262 union {
263 struct {
264 uint16_t af;
265 union ldpd_addr prefix;
266 uint8_t prefixlen;
267 } prefix;
268 struct {
269 uint16_t type;
270 uint32_t pwid;
271 uint32_t group_id;
272 uint16_t ifmtu;
273 } pwid;
d4afb819
RW		 274 struct {
275 uint8_t type;
276 union {
277 uint16_t prefix_af;
aba50a83 278 uint16_t pw_type;
d4afb819
RW		 279 } u;
280 } twcard;
8429abe0
RW		 281 } fec;
282 struct {
283 uint32_t status_code;
284 uint32_t msg_id;
285 uint16_t msg_type;
286 } st;
287 uint32_t label;
288 uint32_t requestid;
289 uint32_t pw_status;
290 uint8_t flags;
291};
292#define F_MAP_REQ_ID 0x01 /* optional request message id present */
293#define F_MAP_STATUS 0x02 /* status */
294#define F_MAP_PW_CWORD 0x04 /* pseudowire control word */
295#define F_MAP_PW_ID 0x08 /* pseudowire connection id */
296#define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */
297#define F_MAP_PW_STATUS 0x20 /* pseudowire status */
298
299struct notify_msg {
300 uint32_t status_code;
301 uint32_t msg_id; /* network byte order */
302 uint16_t msg_type; /* network byte order */
303 uint32_t pw_status;
304 struct map fec;
8819fc38
RW		 305 struct {
306 uint16_t type;
307 uint16_t length;
308 char *data;
309 } rtlvs;
8429abe0
RW		 310 uint8_t flags;
311};
312#define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */
313#define F_NOTIF_FEC 0x02 /* fec tlv present */
8819fc38 314#define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */
8429abe0
RW		 315
316struct if_addr {
317 LIST_ENTRY(if_addr) entry;
318 int af;
319 union ldpd_addr addr;
320 uint8_t prefixlen;
321 union ldpd_addr dstbrd;
322};
323LIST_HEAD(if_addr_head, if_addr);
324
325struct iface_af {
326 struct iface *iface;
327 int af;
328 int enabled;
329 int state;
057d48bd 330 struct ia_adj_head adj_tree;
8429abe0 331 time_t uptime;
e6685141 332 struct event *hello_timer;
8429abe0
RW		 333 uint16_t hello_holdtime;
334 uint16_t hello_interval;
335};
336
e1894ff7
KS		 337struct iface_ldp_sync {
338 int state;
e6685141 339 struct event *wait_for_sync_timer;
e1894ff7
KS		 340};
341
8429abe0 342struct iface {
7d3d7491 343 RB_ENTRY(iface) entry;
3682bd90 344 char name[INTERFACE_NAMSIZ];
6cd8093d 345 ifindex_t ifindex;
8429abe0
RW		 346 struct if_addr_head addr_list;
347 struct in6_addr linklocal;
348 enum iface_type type;
988ded8d 349 int operative;
8429abe0
RW		 350 struct iface_af ipv4;
351 struct iface_af ipv6;
e1894ff7 352 struct iface_ldp_sync ldp_sync;
96244aca 353 QOBJ_FIELDS;
8429abe0 354};
7d3d7491
RW		 355RB_HEAD(iface_head, iface);
356RB_PROTOTYPE(iface_head, iface, entry, iface_compare);
96244aca 357DECLARE_QOBJ_TYPE(iface);
8429abe0
RW		 358
359/* source of targeted hellos */
360struct tnbr {
7989cdba 361 RB_ENTRY(tnbr) entry;
e6685141 362 struct event *hello_timer;
8429abe0
RW		 363 struct adj *adj;
364 int af;
365 union ldpd_addr addr;
366 int state;
8429abe0 367 uint16_t pw_count;
077d336a 368 uint32_t rlfa_count;
8429abe0 369 uint8_t flags;
96244aca 370 QOBJ_FIELDS;
8429abe0 371};
7989cdba
RW		 372RB_HEAD(tnbr_head, tnbr);
373RB_PROTOTYPE(tnbr_head, tnbr, entry, tnbr_compare);
96244aca 374DECLARE_QOBJ_TYPE(tnbr);
8429abe0
RW		 375#define F_TNBR_CONFIGURED 0x01
376#define F_TNBR_DYNAMIC 0x02
377
378enum auth_method {
379 AUTH_NONE,
380 AUTH_MD5SIG
381};
382
383/* neighbor specific parameters */
384struct nbr_params {
76c4abd1 385 RB_ENTRY(nbr_params) entry;
8429abe0
RW		 386 struct in_addr lsr_id;
387 uint16_t keepalive;
388 int gtsm_enabled;
389 uint8_t gtsm_hops;
390 struct {
391 enum auth_method method;
392 char md5key[TCP_MD5_KEY_LEN];
393 uint8_t md5key_len;
394 } auth;
395 uint8_t flags;
96244aca 396 QOBJ_FIELDS;
8429abe0 397};
76c4abd1
RW		 398RB_HEAD(nbrp_head, nbr_params);
399RB_PROTOTYPE(nbrp_head, nbr_params, entry, nbr_params_compare);
96244aca 400DECLARE_QOBJ_TYPE(nbr_params);
8429abe0
RW		 401#define F_NBRP_KEEPALIVE 0x01
402#define F_NBRP_GTSM 0x02
403#define F_NBRP_GTSM_HOPS 0x04
404
0f7b5df9
RW		 405struct ldp_stats {
406 uint32_t kalive_sent;
407 uint32_t kalive_rcvd;
408 uint32_t addr_sent;
409 uint32_t addr_rcvd;
410 uint32_t addrwdraw_sent;
411 uint32_t addrwdraw_rcvd;
412 uint32_t notif_sent;
413 uint32_t notif_rcvd;
414 uint32_t capability_sent;
415 uint32_t capability_rcvd;
416 uint32_t labelmap_sent;
417 uint32_t labelmap_rcvd;
418 uint32_t labelreq_sent;
419 uint32_t labelreq_rcvd;
420 uint32_t labelwdraw_sent;
421 uint32_t labelwdraw_rcvd;
422 uint32_t labelrel_sent;
423 uint32_t labelrel_rcvd;
424 uint32_t labelabreq_sent;
425 uint32_t labelabreq_rcvd;
d4d6e7d8
KS		 426 uint32_t unknown_tlv;
427 uint32_t unknown_msg;
f9a4d683 428
0f7b5df9
RW		 429};
430
d4d6e7d8
KS		 431struct ldp_entity_stats {
432 uint32_t session_attempts;
433 uint32_t session_rejects_hello;
434 uint32_t session_rejects_ad;
435 uint32_t session_rejects_max_pdu;
436 uint32_t session_rejects_lr;
437 uint32_t bad_ldp_id;
438 uint32_t bad_pdu_len;
439 uint32_t bad_msg_len;
440 uint32_t bad_tlv_len;
441 uint32_t malformed_tlv;
442 uint32_t keepalive_timer_exp;
443 uint32_t shutdown_rcv_notify;
444 uint32_t shutdown_send_notify;
445};
446
8429abe0 447struct l2vpn_if {
029c1958 448 RB_ENTRY(l2vpn_if) entry;
8429abe0 449 struct l2vpn *l2vpn;
3682bd90 450 char ifname[INTERFACE_NAMSIZ];
6cd8093d 451 ifindex_t ifindex;
988ded8d 452 int operative;
9bff8057 453 uint8_t mac[ETH_ALEN];
96244aca 454 QOBJ_FIELDS;
8429abe0 455};
029c1958
RW		 456RB_HEAD(l2vpn_if_head, l2vpn_if);
457RB_PROTOTYPE(l2vpn_if_head, l2vpn_if, entry, l2vpn_if_compare);
96244aca 458DECLARE_QOBJ_TYPE(l2vpn_if);
8429abe0
RW		 459
460struct l2vpn_pw {
20bacaeb 461 RB_ENTRY(l2vpn_pw) entry;
8429abe0
RW		 462 struct l2vpn *l2vpn;
463 struct in_addr lsr_id;
464 int af;
465 union ldpd_addr addr;
466 uint32_t pwid;
3682bd90 467 char ifname[INTERFACE_NAMSIZ];
6cd8093d 468 ifindex_t ifindex;
3c5b5220 469 bool enabled;
8429abe0
RW		 470 uint32_t remote_group;
471 uint16_t remote_mtu;
87b5f1b7 472 uint32_t local_status;
8429abe0
RW		 473 uint32_t remote_status;
474 uint8_t flags;
6bbdd9e9 475 uint8_t reason;
96244aca 476 QOBJ_FIELDS;
8429abe0 477};
20bacaeb
RW		 478RB_HEAD(l2vpn_pw_head, l2vpn_pw);
479RB_PROTOTYPE(l2vpn_pw_head, l2vpn_pw, entry, l2vpn_pw_compare);
96244aca 480DECLARE_QOBJ_TYPE(l2vpn_pw);
8429abe0
RW		 481#define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */
482#define F_PW_STATUSTLV 0x02 /* status tlv negotiated */
483#define F_PW_CWORD_CONF 0x04 /* control word configured */
484#define F_PW_CWORD 0x08 /* control word negotiated */
87b5f1b7 485#define F_PW_STATIC_NBR_ADDR 0x10 /* static neighbor address configured */
8429abe0 486
6bbdd9e9 487#define F_PW_NO_ERR 0x00 /* no error reported */
488#define F_PW_LOCAL_NOT_FWD 0x01 /* locally can't forward over PW */
489#define F_PW_REMOTE_NOT_FWD 0x02 /* remote end of PW reported fwd error*/
490#define F_PW_NO_REMOTE_LABEL 0x03 /* have not recvd label from peer */
491#define F_PW_MTU_MISMATCH 0x04 /* mtu mismatch between peers */
492
8429abe0 493struct l2vpn {
90d7e7bd 494 RB_ENTRY(l2vpn) entry;
8429abe0
RW		 495 char name[L2VPN_NAME_LEN];
496 int type;
497 int pw_type;
498 int mtu;
3682bd90 499 char br_ifname[INTERFACE_NAMSIZ];
6cd8093d 500 ifindex_t br_ifindex;
029c1958 501 struct l2vpn_if_head if_tree;
20bacaeb
RW		 502 struct l2vpn_pw_head pw_tree;
503 struct l2vpn_pw_head pw_inactive_tree;
96244aca 504 QOBJ_FIELDS;
8429abe0 505};
90d7e7bd
RW		 506RB_HEAD(l2vpn_head, l2vpn);
507RB_PROTOTYPE(l2vpn_head, l2vpn, entry, l2vpn_compare);
96244aca 508DECLARE_QOBJ_TYPE(l2vpn);
8429abe0
RW		 509#define L2VPN_TYPE_VPWS 1
510#define L2VPN_TYPE_VPLS 2
511
512/* ldp_conf */
54ca644b 513extern enum ldpd_process {
8429abe0
RW		 514 PROC_MAIN,
515 PROC_LDP_ENGINE,
516 PROC_LDE_ENGINE
517} ldpd_process;
518
fa68f9da
RW		 519static const char * const log_procnames[] = {
520 "parent",
521 "ldpe",
522 "lde"
523};
524
8429abe0
RW		 525enum socket_type {
526 LDP_SOCKET_DISC,
527 LDP_SOCKET_EDISC,
528 LDP_SOCKET_SESSION
529};
530
531enum hello_type {
532 HELLO_LINK,
533 HELLO_TARGETED
534};
535
536struct ldpd_af_conf {
537 uint16_t keepalive;
eac6e3f0
RW		 538 uint16_t lhello_holdtime;
539 uint16_t lhello_interval;
8429abe0
RW		 540 uint16_t thello_holdtime;
541 uint16_t thello_interval;
542 union ldpd_addr trans_addr;
45a8eba9
RW		 543 char acl_thello_accept_from[ACL_NAMSIZ];
544 char acl_label_allocate_for[ACL_NAMSIZ];
545 char acl_label_advertise_to[ACL_NAMSIZ];
546 char acl_label_advertise_for[ACL_NAMSIZ];
547 char acl_label_expnull_for[ACL_NAMSIZ];
548 char acl_label_accept_from[ACL_NAMSIZ];
549 char acl_label_accept_for[ACL_NAMSIZ];
8429abe0
RW		 550 int flags;
551};
552#define F_LDPD_AF_ENABLED 0x0001
553#define F_LDPD_AF_THELLO_ACCEPT 0x0002
554#define F_LDPD_AF_EXPNULL 0x0004
555#define F_LDPD_AF_NO_GTSM 0x0008
45a8eba9 556#define F_LDPD_AF_ALLOCHOSTONLY 0x0010
8429abe0
RW		 557
558struct ldpd_conf {
559 struct in_addr rtr_id;
560 struct ldpd_af_conf ipv4;
561 struct ldpd_af_conf ipv6;
7d3d7491 562 struct iface_head iface_tree;
7989cdba 563 struct tnbr_head tnbr_tree;
76c4abd1 564 struct nbrp_head nbrp_tree;
90d7e7bd 565 struct l2vpn_head l2vpn_tree;
eac6e3f0
RW		 566 uint16_t lhello_holdtime;
567 uint16_t lhello_interval;
568 uint16_t thello_holdtime;
569 uint16_t thello_interval;
8429abe0 570 uint16_t trans_pref;
e1894ff7 571 uint16_t wait_for_sync_interval;
8429abe0 572 int flags;
f9a4d683 573 time_t config_change_time;
d4d6e7d8 574 struct ldp_entity_stats stats;
96244aca 575 QOBJ_FIELDS;
8429abe0 576};
96244aca 577DECLARE_QOBJ_TYPE(ldpd_conf);
8429abe0
RW		 578#define F_LDPD_NO_FIB_UPDATE 0x0001
579#define F_LDPD_DS_CISCO_INTEROP 0x0002
eac6e3f0 580#define F_LDPD_ENABLED 0x0004
aff1743c 581#define F_LDPD_ORDERED_CONTROL 0x0008
ff5279ba 582#define F_LDPD_ALLOW_BROKEN_LSP 0x0010
8429abe0
RW		 583
584struct ldpd_af_global {
e6685141
DS		 585 struct event *disc_ev;
586 struct event *edisc_ev;
8429abe0
RW		 587 int ldp_disc_socket;
588 int ldp_edisc_socket;
589 int ldp_session_socket;
590};
591
592struct ldpd_global {
593 int cmd_opts;
eac6e3f0 594 struct in_addr rtr_id;
8429abe0
RW		 595 struct ldpd_af_global ipv4;
596 struct ldpd_af_global ipv6;
597 uint32_t conf_seqnum;
598 int pfkeysock;
599 struct if_addr_head addr_list;
057d48bd 600 struct global_adj_head adj_tree;
8429abe0
RW		 601 struct in_addr mcast_addr_v4;
602 struct in6_addr mcast_addr_v6;
603 TAILQ_HEAD(, pending_conn) pending_conns;
604};
605
606/* kroute */
607struct kroute {
608 int af;
609 union ldpd_addr prefix;
610 uint8_t prefixlen;
611 union ldpd_addr nexthop;
612 uint32_t local_label;
613 uint32_t remote_label;
6cd8093d 614 ifindex_t ifindex;
e132dea0
RW		 615 uint8_t route_type;
616 uint8_t route_instance;
8429abe0
RW		 617 uint16_t flags;
618};
619
8429abe0 620struct kaddr {
3682bd90 621 char ifname[INTERFACE_NAMSIZ];
6cd8093d 622 ifindex_t ifindex;
8429abe0
RW		 623 int af;
624 union ldpd_addr addr;
625 uint8_t prefixlen;
626 union ldpd_addr dstbrd;
627};
628
629struct kif {
3682bd90 630 char ifname[INTERFACE_NAMSIZ];
6cd8093d 631 ifindex_t ifindex;
8429abe0 632 int flags;
988ded8d 633 int operative;
9bff8057 634 uint8_t mac[ETH_ALEN];
8429abe0 635 int mtu;
8429abe0
RW		 636};
637
45a8eba9
RW		 638struct acl_check {
639 char acl[ACL_NAMSIZ];
640 int af;
641 union ldpd_addr addr;
642 uint8_t prefixlen;
643};
644
8429abe0
RW		 645/* control data structures */
646struct ctl_iface {
647 int af;
3682bd90 648 char name[INTERFACE_NAMSIZ];
6cd8093d 649 ifindex_t ifindex;
8429abe0 650 int state;
8429abe0 651 enum iface_type type;
8429abe0
RW		 652 uint16_t hello_holdtime;
653 uint16_t hello_interval;
654 time_t uptime;
655 uint16_t adj_cnt;
656};
657
eac6e3f0 658struct ctl_disc_if {
3682bd90 659 char name[INTERFACE_NAMSIZ];
eac6e3f0
RW		 660 int active_v4;
661 int active_v6;
662 int no_adj;
663};
664
665struct ctl_disc_tnbr {
666 int af;
667 union ldpd_addr addr;
668 int no_adj;
669};
670
8429abe0
RW		 671struct ctl_adj {
672 int af;
673 struct in_addr id;
674 enum hello_type type;
3682bd90 675 char ifname[INTERFACE_NAMSIZ];
8429abe0
RW		 676 union ldpd_addr src_addr;
677 uint16_t holdtime;
0f7b5df9 678 uint16_t holdtime_remaining;
8429abe0 679 union ldpd_addr trans_addr;
0f7b5df9 680 int ds_tlv;
8429abe0
RW		 681};
682
683struct ctl_nbr {
684 int af;
685 struct in_addr id;
686 union ldpd_addr laddr;
eac6e3f0 687 in_port_t lport;
8429abe0 688 union ldpd_addr raddr;
eac6e3f0 689 in_port_t rport;
0f7b5df9 690 enum auth_method auth_method;
eac6e3f0 691 uint16_t holdtime;
8429abe0
RW		 692 time_t uptime;
693 int nbr_state;
0f7b5df9 694 struct ldp_stats stats;
99cfc17f 695 int flags;
f9a4d683
KS		 696 uint16_t max_pdu_len;
697 uint16_t hold_time_remaining;
8429abe0
RW		 698};
699
700struct ctl_rt {
701 int af;
702 union ldpd_addr prefix;
703 uint8_t prefixlen;
704 struct in_addr nexthop; /* lsr-id */
705 uint32_t local_label;
706 uint32_t remote_label;
707 uint8_t flags;
708 uint8_t in_use;
0f7b5df9 709 int no_downstream;
8429abe0
RW		 710};
711
712struct ctl_pw {
713 uint16_t type;
eac6e3f0 714 char l2vpn_name[L2VPN_NAME_LEN];
3682bd90 715 char ifname[INTERFACE_NAMSIZ];
8429abe0
RW		 716 uint32_t pwid;
717 struct in_addr lsr_id;
718 uint32_t local_label;
719 uint32_t local_gid;
720 uint16_t local_ifmtu;
eac6e3f0 721 uint8_t local_cword;
8429abe0
RW		 722 uint32_t remote_label;
723 uint32_t remote_gid;
724 uint16_t remote_ifmtu;
eac6e3f0 725 uint8_t remote_cword;
8429abe0 726 uint32_t status;
6bbdd9e9 727 uint8_t reason;
8429abe0
RW		 728};
729
e1894ff7 730struct ctl_ldp_sync {
3682bd90 731 char name[INTERFACE_NAMSIZ];
e1894ff7
KS		 732 ifindex_t ifindex;
733 bool in_sync;
734 bool timer_running;
735 uint16_t wait_time;
736 uint16_t wait_time_remaining;
737 struct in_addr peer_ldp_id;
738};
739
56b8a8d2 740extern struct ldpd_conf *ldpd_conf, *vty_conf;
8429abe0 741extern struct ldpd_global global;
274f5abf 742extern struct ldpd_init init;
8429abe0
RW		 743
744/* parse.y */
745struct ldpd_conf *parse_config(char *);
746int cmdline_symset(char *);
747
748/* kroute.c */
87b5f1b7 749void pw2zpw(struct l2vpn_pw *, struct zapi_pw *);
8429abe0
RW		 750void kif_redistribute(const char *);
751int kr_change(struct kroute *);
752int kr_delete(struct kroute *);
87b5f1b7
RW		 753int kmpw_add(struct zapi_pw *);
754int kmpw_del(struct zapi_pw *);
755int kmpw_set(struct zapi_pw *);
756int kmpw_unset(struct zapi_pw *);
8429abe0
RW		 757
758/* util.c */
759uint8_t mask2prefixlen(in_addr_t);
760uint8_t mask2prefixlen6(struct sockaddr_in6 *);
761in_addr_t prefixlen2mask(uint8_t);
762struct in6_addr *prefixlen2mask6(uint8_t);
763void ldp_applymask(int, union ldpd_addr *,
764 const union ldpd_addr *, int);
765int ldp_addrcmp(int, const union ldpd_addr *,
766 const union ldpd_addr *);
767int ldp_addrisset(int, const union ldpd_addr *);
768int ldp_prefixcmp(int, const union ldpd_addr *,
769 const union ldpd_addr *, uint8_t);
770int bad_addr_v4(struct in_addr);
771int bad_addr_v6(struct in6_addr *);
772int bad_addr(int, union ldpd_addr *);
773void embedscope(struct sockaddr_in6 *);
774void recoverscope(struct sockaddr_in6 *);
775void addscope(struct sockaddr_in6 *, uint32_t);
776void clearscope(struct in6_addr *);
4149ef7c
A		 777void addr2sa(int af, const union ldpd_addr *, uint16_t,
778 union sockunion *su);
eac6e3f0
RW		 779void sa2addr(struct sockaddr *, int *, union ldpd_addr *,
780 in_port_t *);
781socklen_t sockaddr_len(struct sockaddr *);
8429abe0
RW		 782
783/* ldpd.c */
e6685141 784void ldp_write_handler(struct event *thread);
8429abe0
RW		 785void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t);
786void main_imsg_compose_lde(int, pid_t, void *, uint16_t);
eac6e3f0
RW		 787int main_imsg_compose_both(enum imsg_type, void *,
788 uint16_t);
8429abe0 789void imsg_event_add(struct imsgev *);
eac6e3f0
RW		 790int imsg_compose_event(struct imsgev *, uint16_t, uint32_t,
791 pid_t, int, void *, uint16_t);
8429abe0
RW		 792void evbuf_enqueue(struct evbuf *, struct ibuf *);
793void evbuf_event_add(struct evbuf *);
e6685141 794void evbuf_init(struct evbuf *, int, void (*)(struct event *), void *);
8429abe0 795void evbuf_clear(struct evbuf *);
45a8eba9
RW		 796int ldp_acl_request(struct imsgev *, char *, int,
797 union ldpd_addr *, uint8_t);
798void ldp_acl_reply(struct imsgev *, struct acl_check *);
8429abe0
RW		 799struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int);
800struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int);
801int ldp_is_dual_stack(struct ldpd_conf *);
eac6e3f0 802in_addr_t ldp_rtr_id_get(struct ldpd_conf *);
e4a82008 803int ldp_config_apply(struct vty *, struct ldpd_conf *);
eac6e3f0 804void ldp_clear_config(struct ldpd_conf *);
8429abe0
RW		 805void merge_config(struct ldpd_conf *, struct ldpd_conf *);
806struct ldpd_conf *config_new_empty(void);
807void config_clear(struct ldpd_conf *);
808
bbee85d2
RW		 809/* ldp_vty_conf.c */
810/* NOTE: the parameters' names should be preserved because of codegen */
7d3d7491 811struct iface *iface_new_api(struct ldpd_conf *conf,
bbee85d2 812 const char *name);
7d3d7491
RW		 813void iface_del_api(struct ldpd_conf *conf,
814 struct iface *iface);
7989cdba 815struct tnbr *tnbr_new_api(struct ldpd_conf *conf, int af,
bbee85d2 816 union ldpd_addr *addr);
7989cdba 817void tnbr_del_api(struct ldpd_conf *conf, struct tnbr *tnbr);
76c4abd1 818struct nbr_params *nbrp_new_api(struct ldpd_conf *conf,
bbee85d2 819 struct in_addr lsr_id);
76c4abd1
RW		 820void nbrp_del_api(struct ldpd_conf *conf,
821 struct nbr_params *nbrp);
90d7e7bd
RW		 822struct l2vpn *l2vpn_new_api(struct ldpd_conf *conf, const char *name);
823void l2vpn_del_api(struct ldpd_conf *conf,
824 struct l2vpn *l2vpn);
bbee85d2
RW		 825struct l2vpn_if *l2vpn_if_new_api(struct ldpd_conf *conf,
826 struct l2vpn *l2vpn, const char *ifname);
029c1958
RW		 827void l2vpn_if_del_api(struct l2vpn *l2vpn,
828 struct l2vpn_if *lif);
bbee85d2
RW		 829struct l2vpn_pw *l2vpn_pw_new_api(struct ldpd_conf *conf,
830 struct l2vpn *l2vpn, const char *ifname);
20bacaeb
RW		 831void l2vpn_pw_del_api(struct l2vpn *l2vpn,
832 struct l2vpn_pw *pw);
bbee85d2 833
8429abe0
RW		 834/* socket.c */
835int ldp_create_socket(int, enum socket_type);
eac6e3f0
RW		 836void sock_set_nonblock(int);
837void sock_set_cloexec(int);
8429abe0
RW		 838void sock_set_recvbuf(int);
839int sock_set_reuse(int, int);
840int sock_set_bindany(int, int);
eac6e3f0 841int sock_set_md5sig(int, int, union ldpd_addr *, const char *);
8429abe0 842int sock_set_ipv4_tos(int, int);
eac6e3f0 843int sock_set_ipv4_pktinfo(int, int);
6cd8093d 844int sock_set_ipv4_recvdstaddr(int fd, ifindex_t ifindex);
8429abe0
RW		 845int sock_set_ipv4_recvif(int, int);
846int sock_set_ipv4_minttl(int, int);
847int sock_set_ipv4_ucast_ttl(int fd, int);
848int sock_set_ipv4_mcast_ttl(int, uint8_t);
849int sock_set_ipv4_mcast(struct iface *);
850int sock_set_ipv4_mcast_loop(int);
851int sock_set_ipv6_dscp(int, int);
852int sock_set_ipv6_pktinfo(int, int);
853int sock_set_ipv6_minhopcount(int, int);
854int sock_set_ipv6_ucast_hops(int, int);
855int sock_set_ipv6_mcast_hops(int, int);
856int sock_set_ipv6_mcast(struct iface *);
857int sock_set_ipv6_mcast_loop(int);
858
fa68f9da
RW		 859/* logmsg.h */
860struct in6_addr;
861union ldpd_addr;
862struct hello_source;
863struct fec;
864
865const char *log_sockaddr(void *);
866const char *log_in6addr(const struct in6_addr *);
6cd8093d
DS		 867const char *log_in6addr_scope(const struct in6_addr *addr,
868 ifindex_t ifidx);
fa68f9da
RW		 869const char *log_addr(int, const union ldpd_addr *);
870char *log_label(uint32_t);
871const char *log_time(time_t);
872char *log_hello_src(const struct hello_source *);
873const char *log_map(const struct map *);
874const char *log_fec(const struct fec *);
875const char *af_name(int);
876const char *socket_name(int);
877const char *nbr_state_name(int);
878const char *if_state_name(int);
879const char *if_type_name(enum iface_type);
880const char *msg_name(uint16_t);
881const char *status_code_name(uint32_t);
882const char *pw_type_name(uint16_t);
6bbdd9e9 883const char *pw_error_code(uint8_t);
fa68f9da 884
eac6e3f0 885/* quagga */
cd9d0537 886extern struct event_loop *master;
372b8bd3 887extern char ctl_sock_path[MAXPATHLEN];
eac6e3f0
RW		 888
889/* ldp_zebra.c */
cd9d0537 890void ldp_zebra_init(struct event_loop *m);
64dffe25 891void ldp_zebra_destroy(void);
e1894ff7 892int ldp_sync_zebra_send_state_update(struct ldp_igp_sync_if_state *);
077d336a
RW		 893int ldp_zebra_send_rlfa_labels(struct zapi_rlfa_response *
894 rlfa_labels);
eac6e3f0 895
ce510d2e
FR		 896void ldp_zebra_regdereg_zebra_info(bool want_register);
897
eac6e3f0
RW		 898/* compatibility */
899#ifndef __OpenBSD__
900#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
901#define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
902#define IN6_IS_ADDR_MC_INTFACELOCAL(a) \
903 (IN6_IS_ADDR_MULTICAST(a) && \
904 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL))
905#endif
8429abe0 906
cd9d0537 907DECLARE_HOOK(ldp_register_mib, (struct event_loop * tm), (tm));
f9a4d683
KS		 908
909extern void ldp_agentx_enabled(void);
910
8429abe0 911#endif /* _LDPD_H_ */
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