2 * RIPng related value and structure.
3 * Copyright (C) 1998 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; see the file COPYING; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef _ZEBRA_RIPNG_RIPNGD_H
23 #define _ZEBRA_RIPNG_RIPNGD_H
27 #include <distribute.h>
30 #include "ripng_memory.h"
32 /* RIPng version and port number. */
34 #define RIPNG_PORT_DEFAULT 521
35 #define RIPNG_VTY_PORT 2603
36 #define RIPNG_MAX_PACKET_SIZE 1500
37 #define RIPNG_PRIORITY_DEFAULT 0
40 #define RIPNG_REQUEST 1
41 #define RIPNG_RESPONSE 2
43 /* RIPng metric and multicast group address. */
44 #define RIPNG_METRIC_INFINITY 16
45 #define RIPNG_METRIC_NEXTHOP 0xff
46 #define RIPNG_GROUP "ff02::9"
48 /* RIPng peer timeout value. */
49 #define RIPNG_PEER_TIMER_DEFAULT 180
51 /* Default config file name. */
52 #define RIPNG_DEFAULT_CONFIG "ripngd.conf"
54 /* RIPng route types. */
55 #define RIPNG_ROUTE_RTE 0
56 #define RIPNG_ROUTE_STATIC 1
57 #define RIPNG_ROUTE_DEFAULT 2
58 #define RIPNG_ROUTE_REDISTRIBUTE 3
59 #define RIPNG_ROUTE_INTERFACE 4
60 #define RIPNG_ROUTE_AGGREGATE 5
62 /* Interface send/receive configuration. */
63 #define RIPNG_SEND_UNSPEC 0
64 #define RIPNG_SEND_OFF 1
65 #define RIPNG_RECEIVE_UNSPEC 0
66 #define RIPNG_RECEIVE_OFF 1
68 /* RIP default route's accept/announce methods. */
69 #define RIPNG_DEFAULT_ADVERTISE_UNSPEC 0
70 #define RIPNG_DEFAULT_ADVERTISE_NONE 1
71 #define RIPNG_DEFAULT_ADVERTISE 2
73 #define RIPNG_DEFAULT_ACCEPT_UNSPEC 0
74 #define RIPNG_DEFAULT_ACCEPT_NONE 1
75 #define RIPNG_DEFAULT_ACCEPT 2
77 /* For max RTE calculation. */
79 #define IPV6_HDRLEN 40
80 #endif /* IPV6_HDRLEN */
87 #define RIPNG_INSTANCE "/frr-ripngd:ripngd/instance"
88 #define RIPNG_IFACE "/frr-interface:lib/interface/frr-ripngd:ripng"
90 /* RIPng structure. */
92 RB_ENTRY(ripng
) entry
;
94 /* VRF this routing instance is associated with. */
97 /* VRF backpointer (might be NULL if the VRF doesn't exist). */
100 /* Status of the routing instance. */
106 /* RIPng Parameters.*/
109 uint16_t update_time
;
110 uint16_t timeout_time
;
111 uint16_t garbage_time
;
113 uint8_t default_metric
;
115 /* Input/output buffer of RIPng. */
119 /* RIPng routing information base. */
120 struct agg_table
*table
;
122 /* Linked list of RIPng peers. */
123 struct list
*peer_list
;
125 /* RIPng enabled interfaces. */
128 /* RIPng enabled networks. */
129 struct agg_table
*enable_network
;
131 /* Vector to store passive-interface name. */
132 vector passive_interface
;
134 /* RIPng offset-lists. */
135 struct list
*offset_list_master
;
138 struct thread
*t_read
;
139 struct thread
*t_write
;
140 struct thread
*t_update
;
141 struct thread
*t_garbage
;
142 struct thread
*t_zebra
;
144 /* Triggered update hack. */
146 struct thread
*t_triggered_update
;
147 struct thread
*t_triggered_interval
;
149 /* RIPng ECMP flag */
152 /* RIPng redistribute configuration. */
157 struct route_map
*map
;
161 } redist
[ZEBRA_ROUTE_MAX
];
163 /* For distribute-list container */
164 struct distribute_ctx
*distribute_ctx
;
166 /* For if_rmap container */
167 struct if_rmap_ctx
*if_rmap_ctx
;
169 RB_HEAD(ripng_instance_head
, ripng
);
170 RB_PROTOTYPE(ripng_instance_head
, ripng
, entry
, ripng_instance_compare
)
172 /* Routing table entry. */
174 struct in6_addr addr
; /* RIPng destination prefix */
175 uint16_t tag
; /* RIPng tag */
176 uint8_t prefixlen
; /* Length of the RIPng prefix */
177 uint8_t metric
; /* Metric of the RIPng route */
178 /* The nexthop is stored by the structure
179 * ripng_nexthop within ripngd.c */
182 /* RIPNG send packet. */
183 struct ripng_packet
{
190 /* Each route's information. */
192 /* This route's type. Static, ripng or aggregate. */
195 /* Sub type for static route. */
198 /* RIPng specific information */
199 struct in6_addr nexthop
;
200 struct in6_addr from
;
202 /* Which interface does this route come from. */
205 /* Metric of this route. */
208 /* Tag field of RIPng packet.*/
211 /* For aggregation. */
212 unsigned int suppress
;
214 /* Flags of RIPng route. */
215 #define RIPNG_RTF_FIB 1
216 #define RIPNG_RTF_CHANGED 2
219 /* Garbage collect timer. */
220 struct thread
*t_timeout
;
221 struct thread
*t_garbage_collect
;
223 /* Route-map features - this variables can be changed. */
224 struct in6_addr nexthop_out
;
234 /* RIPng tag structure. */
243 /* Multicast group. */
244 struct in6_addr maddr
;
253 uint8_t split_horizon
;
255 /* Poison reverse. */
256 uint8_t poison_reverse
;
262 RIPNG_NO_SPLIT_HORIZON
= 0,
264 RIPNG_SPLIT_HORIZON_POISONED_REVERSE
265 } split_horizon_policy_t
;
267 /* RIPng specific interface configuration. */
268 struct ripng_interface
{
269 /* Parent routing instance. */
272 /* RIPng is enabled on this interface. */
274 int enable_interface
;
276 /* RIPng is running on this interface. */
279 /* Split horizon flag. */
280 split_horizon_policy_t split_horizon
;
282 /* For filter type slot. */
283 #define RIPNG_FILTER_IN 0
284 #define RIPNG_FILTER_OUT 1
285 #define RIPNG_FILTER_MAX 2
288 struct access_list
*list
[RIPNG_FILTER_MAX
];
291 struct prefix_list
*prefix
[RIPNG_FILTER_MAX
];
294 struct route_map
*routemap
[RIPNG_FILTER_MAX
];
298 /* RIPng tag configuration. */
299 struct ripng_tag
*rtag
;
303 /* Default information originate. */
304 uint8_t default_originate
;
306 /* Default information only. */
307 uint8_t default_only
;
309 /* Wake up thread. */
310 struct thread
*t_wakeup
;
312 /* Passive interface. */
316 /* RIPng peer information. */
318 /* Parent routing instance. */
322 struct in6_addr addr
;
324 /* Peer RIPng tag value. */
327 /* Last update time. */
330 /* Peer RIP version. */
337 /* Timeout thread. */
338 struct thread
*t_timeout
;
341 /* All RIPng events. */
347 RIPNG_TRIGGERED_UPDATE
,
350 /* RIPng timer on/off macro. */
351 #define RIPNG_TIMER_ON(T,F,V) thread_add_timer (master, (F), rinfo, (V), &(T))
353 #define RIPNG_TIMER_OFF(T) \
361 #define RIPNG_OFFSET_LIST_IN 0
362 #define RIPNG_OFFSET_LIST_OUT 1
363 #define RIPNG_OFFSET_LIST_MAX 2
365 struct ripng_offset_list
{
366 /* Parent routing instance. */
373 /* struct access_list *alist; */
375 } direct
[RIPNG_OFFSET_LIST_MAX
];
378 /* Extern variables. */
379 extern struct zebra_privs_t ripngd_privs
;
380 extern struct thread_master
*master
;
381 extern struct ripng_instance_head ripng_instances
;
384 extern void ripng_init(void);
385 extern void ripng_clean(struct ripng
*ripng
);
386 extern void ripng_clean_network(struct ripng
*ripng
);
387 extern void ripng_interface_clean(struct ripng
*ripng
);
388 extern int ripng_enable_network_add(struct ripng
*ripng
, struct prefix
*p
);
389 extern int ripng_enable_network_delete(struct ripng
*ripng
, struct prefix
*p
);
390 extern int ripng_enable_if_add(struct ripng
*ripng
, const char *ifname
);
391 extern int ripng_enable_if_delete(struct ripng
*ripng
, const char *ifname
);
392 extern int ripng_passive_interface_set(struct ripng
*ripng
, const char *ifname
);
393 extern int ripng_passive_interface_unset(struct ripng
*ripng
,
395 extern void ripng_passive_interface_clean(struct ripng
*ripng
);
396 extern void ripng_if_init(void);
397 extern void ripng_route_map_init(void);
398 extern void ripng_zebra_vrf_register(struct vrf
*vrf
);
399 extern void ripng_zebra_vrf_deregister(struct vrf
*vrf
);
400 extern void ripng_terminate(void);
401 /* zclient_init() is done by ripng_zebra.c:zebra_init() */
402 extern void zebra_init(struct thread_master
*);
403 extern void ripng_zebra_stop(void);
404 extern void ripng_redistribute_conf_update(struct ripng
*ripng
, int type
);
405 extern void ripng_redistribute_conf_delete(struct ripng
*ripng
, int type
);
407 extern void ripng_peer_update(struct ripng
*ripng
, struct sockaddr_in6
*from
,
409 extern void ripng_peer_bad_route(struct ripng
*ripng
,
410 struct sockaddr_in6
*from
);
411 extern void ripng_peer_bad_packet(struct ripng
*ripng
,
412 struct sockaddr_in6
*from
);
413 extern void ripng_peer_display(struct vty
*vty
, struct ripng
*ripng
);
414 extern struct ripng_peer
*ripng_peer_lookup(struct ripng
*ripng
,
415 struct in6_addr
*addr
);
416 extern struct ripng_peer
*ripng_peer_lookup_next(struct ripng
*ripng
,
417 struct in6_addr
*addr
);
418 extern int ripng_peer_list_cmp(struct ripng_peer
*p1
, struct ripng_peer
*p2
);
419 extern void ripng_peer_list_del(void *arg
);
421 extern struct ripng_offset_list
*ripng_offset_list_new(struct ripng
*ripng
,
423 extern void ripng_offset_list_del(struct ripng_offset_list
*offset
);
424 extern struct ripng_offset_list
*ripng_offset_list_lookup(struct ripng
*ripng
,
426 extern int ripng_offset_list_apply_in(struct ripng
*ripng
,
427 struct prefix_ipv6
*p
,
428 struct interface
*ifp
, uint8_t *metric
);
429 extern int ripng_offset_list_apply_out(struct ripng
*ripng
,
430 struct prefix_ipv6
*p
,
431 struct interface
*ifp
, uint8_t *metric
);
432 extern int offset_list_cmp(struct ripng_offset_list
*o1
,
433 struct ripng_offset_list
*o2
);
435 extern int ripng_route_rte(struct ripng_info
*rinfo
);
436 extern struct ripng_info
*ripng_info_new(void);
437 extern void ripng_info_free(struct ripng_info
*rinfo
);
438 extern struct ripng
*ripng_info_get_instance(const struct ripng_info
*rinfo
);
439 extern void ripng_event(struct ripng
*ripng
, enum ripng_event event
, int sock
);
440 extern int ripng_request(struct interface
*ifp
);
441 extern void ripng_redistribute_add(struct ripng
*ripng
, int type
, int sub_type
,
442 struct prefix_ipv6
*p
, ifindex_t ifindex
,
443 struct in6_addr
*nexthop
, route_tag_t tag
);
444 extern void ripng_redistribute_delete(struct ripng
*ripng
, int type
,
445 int sub_type
, struct prefix_ipv6
*p
,
447 extern void ripng_redistribute_withdraw(struct ripng
*ripng
, int type
);
449 extern void ripng_ecmp_disable(struct ripng
*ripng
);
450 extern void ripng_distribute_update_interface(struct interface
*);
451 extern void ripng_if_rmap_update_interface(struct interface
*);
453 extern void ripng_zebra_ipv6_add(struct ripng
*ripng
, struct agg_node
*node
);
454 extern void ripng_zebra_ipv6_delete(struct ripng
*ripng
, struct agg_node
*node
);
456 extern void ripng_redistribute_enable(struct ripng
*ripng
);
457 extern void ripng_redistribute_disable(struct ripng
*ripng
);
458 extern int ripng_redistribute_check(struct ripng
*ripng
, int type
);
459 extern void ripng_redistribute_write(struct vty
*vty
, struct ripng
*ripng
);
461 extern int ripng_write_rte(int num
, struct stream
*s
, struct prefix_ipv6
*p
,
462 struct in6_addr
*nexthop
, uint16_t tag
,
464 extern int ripng_send_packet(caddr_t buf
, int bufsize
, struct sockaddr_in6
*to
,
465 struct interface
*ifp
);
467 extern void ripng_packet_dump(struct ripng_packet
*packet
, int size
,
470 extern int ripng_interface_up(int command
, struct zclient
*, zebra_size_t
,
472 extern int ripng_interface_down(int command
, struct zclient
*, zebra_size_t
,
474 extern int ripng_interface_add(int command
, struct zclient
*, zebra_size_t
,
476 extern int ripng_interface_delete(int command
, struct zclient
*, zebra_size_t
,
478 extern int ripng_interface_address_add(int command
, struct zclient
*,
479 zebra_size_t
, vrf_id_t
);
480 extern int ripng_interface_address_delete(int command
, struct zclient
*,
481 zebra_size_t
, vrf_id_t
);
482 extern int ripng_interface_vrf_update(int command
, struct zclient
*zclient
,
483 zebra_size_t length
, vrf_id_t vrf_id
);
484 extern void ripng_interface_sync(struct interface
*ifp
);
486 extern struct ripng
*ripng_lookup_by_vrf_id(vrf_id_t vrf_id
);
487 extern struct ripng
*ripng_lookup_by_vrf_name(const char *vrf_name
);
488 extern struct ripng
*ripng_create(const char *vrf_name
, struct vrf
*vrf
,
490 extern int ripng_make_socket(struct vrf
*vrf
);
491 extern int ripng_network_write(struct vty
*vty
, struct ripng
*ripng
);
493 extern struct ripng_info
*ripng_ecmp_add(struct ripng
*ripng
,
494 struct ripng_info
*rinfo
);
495 extern struct ripng_info
*ripng_ecmp_replace(struct ripng
*ripng
,
496 struct ripng_info
*rinfo
);
497 extern struct ripng_info
*ripng_ecmp_delete(struct ripng
*ripng
,
498 struct ripng_info
*rinfo
);
500 extern void ripng_vrf_init(void);
501 extern void ripng_vrf_terminate(void);
504 extern void ripng_cli_init(void);
505 extern const struct frr_yang_module_info frr_ripngd_info
;
507 #endif /* _ZEBRA_RIPNG_RIPNGD_H */