[mirror_frr.git] / ripngd / ripngd.h

/*
 * RIPng related value and structure.
 * Copyright (C) 1998 Kunihiro Ishiguro
 *
 * This file is part of GNU Zebra.
 *
 * GNU Zebra is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * GNU Zebra is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef _ZEBRA_RIPNG_RIPNGD_H
#define _ZEBRA_RIPNG_RIPNGD_H

#include <zclient.h>
#include <vty.h>

#include "ripng_memory.h"

/* RIPng version and port number. */
#define RIPNG_V1                         1
#define RIPNG_PORT_DEFAULT             521
#define RIPNG_VTY_PORT                2603
#define RIPNG_MAX_PACKET_SIZE         1500
#define RIPNG_PRIORITY_DEFAULT           0

/* RIPng commands. */
#define RIPNG_REQUEST                    1
#define RIPNG_RESPONSE                   2

/* RIPng metric and multicast group address. */
#define RIPNG_METRIC_INFINITY           16
#define RIPNG_METRIC_NEXTHOP          0xff
#define RIPNG_GROUP              "ff02::9"

/* RIPng peer timeout value. */
#define RIPNG_PEER_TIMER_DEFAULT       180

/* Default config file name. */
#define RIPNG_DEFAULT_CONFIG "ripngd.conf"

/* RIPng route types. */
#define RIPNG_ROUTE_RTE                  0
#define RIPNG_ROUTE_STATIC               1
#define RIPNG_ROUTE_DEFAULT              2
#define RIPNG_ROUTE_REDISTRIBUTE         3
#define RIPNG_ROUTE_INTERFACE            4
#define RIPNG_ROUTE_AGGREGATE            5

/* Interface send/receive configuration. */
#define RIPNG_SEND_UNSPEC                0
#define RIPNG_SEND_OFF                   1
#define RIPNG_RECEIVE_UNSPEC             0
#define RIPNG_RECEIVE_OFF                1

/* RIP default route's accept/announce methods. */
#define RIPNG_DEFAULT_ADVERTISE_UNSPEC   0
#define RIPNG_DEFAULT_ADVERTISE_NONE     1
#define RIPNG_DEFAULT_ADVERTISE          2

#define RIPNG_DEFAULT_ACCEPT_UNSPEC      0
#define RIPNG_DEFAULT_ACCEPT_NONE        1
#define RIPNG_DEFAULT_ACCEPT             2

/* For max RTE calculation. */
#ifndef IPV6_HDRLEN
#define IPV6_HDRLEN 40
#endif /* IPV6_HDRLEN */

#ifndef IFMINMTU
#define IFMINMTU    576
#endif /* IFMINMTU */

/* YANG paths */
#define RIPNG_INSTANCE	"/frr-ripngd:ripngd/instance"
#define RIPNG_IFACE	"/frr-interface:lib/interface/frr-ripngd:ripng"

/* RIPng structure. */
struct ripng {
	/* RIPng socket. */
	int sock;

	/* RIPng Parameters.*/
	uint8_t command;
	uint8_t version;
	uint16_t update_time;
	uint16_t timeout_time;
	uint16_t garbage_time;
	int max_mtu;
	uint8_t default_metric;

	/* Input/output buffer of RIPng. */
	struct stream *ibuf;
	struct stream *obuf;

	/* RIPng routing information base. */
	struct agg_table *table;

	/* RIPng threads. */
	struct thread *t_read;
	struct thread *t_write;
	struct thread *t_update;
	struct thread *t_garbage;
	struct thread *t_zebra;

	/* Triggered update hack. */
	int trigger;
	struct thread *t_triggered_update;
	struct thread *t_triggered_interval;

	/* RIPng ECMP flag */
	bool ecmp;

	/* For redistribute route map. */
	struct {
		char *name;
		struct route_map *map;
		bool metric_config;
		uint8_t metric;
	} route_map[ZEBRA_ROUTE_MAX];
};

/* Routing table entry. */
struct rte {
	struct in6_addr addr; /* RIPng destination prefix */
	uint16_t tag;	 /* RIPng tag */
	uint8_t prefixlen;    /* Length of the RIPng prefix */
	uint8_t metric;       /* Metric of the RIPng route */
			      /* The nexthop is stored by the structure
			       * ripng_nexthop within ripngd.c */
};

/* RIPNG send packet. */
struct ripng_packet {
	uint8_t command;
	uint8_t version;
	uint16_t zero;
	struct rte rte[1];
};

/* Each route's information. */
struct ripng_info {
	/* This route's type.  Static, ripng or aggregate. */
	uint8_t type;

	/* Sub type for static route. */
	uint8_t sub_type;

	/* RIPng specific information */
	struct in6_addr nexthop;
	struct in6_addr from;

	/* Which interface does this route come from. */
	ifindex_t ifindex;

	/* Metric of this route.  */
	uint8_t metric;

	/* Tag field of RIPng packet.*/
	uint16_t tag;

	/* For aggregation. */
	unsigned int suppress;

/* Flags of RIPng route. */
#define RIPNG_RTF_FIB      1
#define RIPNG_RTF_CHANGED  2
	uint8_t flags;

	/* Garbage collect timer. */
	struct thread *t_timeout;
	struct thread *t_garbage_collect;

	/* Route-map features - this variables can be changed. */
	struct in6_addr nexthop_out;
	uint8_t metric_set;
	uint8_t metric_out;
	uint16_t tag_out;

	struct agg_node *rp;
};

#ifdef notyet
#if 0
/* RIPng tag structure. */
struct ripng_tag
{
  /* Tag value. */
  uint16_t tag;

  /* Port. */
  uint16_t port;

  /* Multicast group. */
  struct in6_addr maddr;

  /* Table number. */
  int table;

  /* Distance. */
  int distance;

  /* Split horizon. */
  uint8_t split_horizon;

  /* Poison reverse. */
  uint8_t poison_reverse;
};
#endif /* 0 */
#endif /* not yet */

typedef enum {
	RIPNG_NO_SPLIT_HORIZON = 0,
	RIPNG_SPLIT_HORIZON,
	RIPNG_SPLIT_HORIZON_POISONED_REVERSE
} split_horizon_policy_t;

/* RIPng specific interface configuration. */
struct ripng_interface {
	/* RIPng is enabled on this interface. */
	int enable_network;
	int enable_interface;

	/* RIPng is running on this interface. */
	int running;

	/* Split horizon flag. */
	split_horizon_policy_t split_horizon;

/* For filter type slot. */
#define RIPNG_FILTER_IN  0
#define RIPNG_FILTER_OUT 1
#define RIPNG_FILTER_MAX 2

	/* Access-list. */
	struct access_list *list[RIPNG_FILTER_MAX];

	/* Prefix-list. */
	struct prefix_list *prefix[RIPNG_FILTER_MAX];

	/* Route-map. */
	struct route_map *routemap[RIPNG_FILTER_MAX];

#ifdef notyet
#if 0
  /* RIPng tag configuration. */
  struct ripng_tag *rtag;
#endif /* 0 */
#endif /* notyet */

	/* Default information originate. */
	uint8_t default_originate;

	/* Default information only. */
	uint8_t default_only;

	/* Wake up thread. */
	struct thread *t_wakeup;

	/* Passive interface. */
	int passive;
};

/* RIPng peer information. */
struct ripng_peer {
	/* Peer address. */
	struct in6_addr addr;

	/* Peer RIPng tag value. */
	int domain;

	/* Last update time. */
	time_t uptime;

	/* Peer RIP version. */
	uint8_t version;

	/* Statistics. */
	int recv_badpackets;
	int recv_badroutes;

	/* Timeout thread. */
	struct thread *t_timeout;
};

/* All RIPng events. */
enum ripng_event {
	RIPNG_READ,
	RIPNG_ZEBRA,
	RIPNG_REQUEST_EVENT,
	RIPNG_UPDATE_EVENT,
	RIPNG_TRIGGERED_UPDATE,
};

/* RIPng timer on/off macro. */
#define RIPNG_TIMER_ON(T,F,V) thread_add_timer (master, (F), rinfo, (V), &(T))

#define RIPNG_TIMER_OFF(T)                                                     \
	do {                                                                   \
		if (T) {                                                       \
			thread_cancel(T);                                      \
			(T) = NULL;                                            \
		}                                                              \
	} while (0)

#define RIPNG_OFFSET_LIST_IN  0
#define RIPNG_OFFSET_LIST_OUT 1
#define RIPNG_OFFSET_LIST_MAX 2

struct ripng_offset_list {
	char *ifname;

	struct {
		char *alist_name;
		/* struct access_list *alist; */
		uint8_t metric;
	} direct[RIPNG_OFFSET_LIST_MAX];
};

/* Extern variables. */
extern struct ripng *ripng;
extern struct list *peer_list;
extern struct zebra_privs_t ripngd_privs;
extern struct thread_master *master;

/* Prototypes. */
extern void ripng_init(void);
extern void ripng_clean(void);
extern void ripng_clean_network(void);
extern void ripng_interface_clean(void);
extern int ripng_enable_network_add(struct prefix *p);
extern int ripng_enable_network_delete(struct prefix *p);
extern int ripng_enable_if_add(const char *ifname);
extern int ripng_enable_if_delete(const char *ifname);
extern int ripng_passive_interface_set(const char *ifname);
extern int ripng_passive_interface_unset(const char *ifname);
extern void ripng_passive_interface_clean(void);
extern void ripng_if_init(void);
extern void ripng_route_map_init(void);
extern void ripng_terminate(void);
/* zclient_init() is done by ripng_zebra.c:zebra_init() */
extern void zebra_init(struct thread_master *);
extern void ripng_zebra_stop(void);
extern void ripng_redistribute_conf_update(int type);
extern void ripng_redistribute_conf_delete(int type);

extern void ripng_peer_init(void);
extern void ripng_peer_update(struct sockaddr_in6 *, uint8_t);
extern void ripng_peer_bad_route(struct sockaddr_in6 *);
extern void ripng_peer_bad_packet(struct sockaddr_in6 *);
extern void ripng_peer_display(struct vty *);
extern struct ripng_peer *ripng_peer_lookup(struct in6_addr *);
extern struct ripng_peer *ripng_peer_lookup_next(struct in6_addr *);

extern struct ripng_offset_list *ripng_offset_list_new(const char *ifname);
extern void ripng_offset_list_del(struct ripng_offset_list *offset);
extern struct ripng_offset_list *ripng_offset_list_lookup(const char *ifname);
extern struct ripng_offset_list *ripng_offset_list_lookup(const char *ifname);
extern int ripng_offset_list_apply_in(struct prefix_ipv6 *, struct interface *,
				      uint8_t *);
extern int ripng_offset_list_apply_out(struct prefix_ipv6 *, struct interface *,
				       uint8_t *);
extern void ripng_offset_init(void);
extern void ripng_offset_clean(void);

extern int ripng_route_rte(struct ripng_info *rinfo);
extern struct ripng_info *ripng_info_new(void);
extern void ripng_info_free(struct ripng_info *rinfo);
extern void ripng_event(enum ripng_event, int);
extern int ripng_request(struct interface *ifp);
extern void ripng_redistribute_add(int, int, struct prefix_ipv6 *, ifindex_t,
				   struct in6_addr *, route_tag_t);
extern void ripng_redistribute_delete(int, int, struct prefix_ipv6 *,
				      ifindex_t);
extern void ripng_redistribute_withdraw(int type);

extern void ripng_ecmp_disable(void);
extern void ripng_distribute_update_interface(struct interface *);
extern void ripng_if_rmap_update_interface(struct interface *);

extern void ripng_zebra_ipv6_add(struct agg_node *node);
extern void ripng_zebra_ipv6_delete(struct agg_node *node);

extern void ripng_redistribute_clean(void);
extern int ripng_redistribute_check(int);
extern void ripng_redistribute_write(struct vty *);

extern int ripng_write_rte(int num, struct stream *s, struct prefix_ipv6 *p,
			   struct in6_addr *nexthop, uint16_t tag,
			   uint8_t metric);
extern int ripng_send_packet(caddr_t buf, int bufsize, struct sockaddr_in6 *to,
			     struct interface *ifp);

extern void ripng_packet_dump(struct ripng_packet *packet, int size,
			      const char *sndrcv);

extern int ripng_interface_up(int command, struct zclient *, zebra_size_t,
			      vrf_id_t);
extern int ripng_interface_down(int command, struct zclient *, zebra_size_t,
				vrf_id_t);
extern int ripng_interface_add(int command, struct zclient *, zebra_size_t,
			       vrf_id_t);
extern int ripng_interface_delete(int command, struct zclient *, zebra_size_t,
				  vrf_id_t);
extern int ripng_interface_address_add(int command, struct zclient *,
				       zebra_size_t, vrf_id_t);
extern int ripng_interface_address_delete(int command, struct zclient *,
					  zebra_size_t, vrf_id_t);

extern int ripng_create(int socket);
extern int ripng_make_socket(void);
extern int ripng_network_write(struct vty *);

extern struct ripng_info *ripng_ecmp_add(struct ripng_info *);
extern struct ripng_info *ripng_ecmp_replace(struct ripng_info *);
extern struct ripng_info *ripng_ecmp_delete(struct ripng_info *);

/* Northbound. */
extern void ripng_cli_init(void);
extern const struct frr_yang_module_info frr_ripngd_info;

#endif /* _ZEBRA_RIPNG_RIPNGD_H */
Commit	Line	Data
718e3744	1	/*
	2	* RIPng related value and structure.
	3	* Copyright (C) 1998 Kunihiro Ishiguro
	4	*
	5	* This file is part of GNU Zebra.
	6	*
	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
	10	* later version.
	11	*
	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.
	16	*
896014f4 DL	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
718e3744	20	*/
	21
	22	#ifndef _ZEBRA_RIPNG_RIPNGD_H
	23	#define _ZEBRA_RIPNG_RIPNGD_H
	24
6ac29a51 PJ	25	#include <zclient.h>
	26	#include <vty.h>
	27
4a1ab8e4 DL	28	#include "ripng_memory.h"
4a1ab8e4 DL	29
718e3744	30	/* RIPng version and port number. */
	31	#define RIPNG_V1 1
	32	#define RIPNG_PORT_DEFAULT 521
	33	#define RIPNG_VTY_PORT 2603
718e3744	34	#define RIPNG_MAX_PACKET_SIZE 1500
	35	#define RIPNG_PRIORITY_DEFAULT 0
	36
	37	/* RIPng commands. */
	38	#define RIPNG_REQUEST 1
	39	#define RIPNG_RESPONSE 2
	40
	41	/* RIPng metric and multicast group address. */
	42	#define RIPNG_METRIC_INFINITY 16
	43	#define RIPNG_METRIC_NEXTHOP 0xff
	44	#define RIPNG_GROUP "ff02::9"
	45
a94434b6	46	/* RIPng peer timeout value. */
	47	#define RIPNG_PEER_TIMER_DEFAULT 180
	48
718e3744	49	/* Default config file name. */
	50	#define RIPNG_DEFAULT_CONFIG "ripngd.conf"
	51
	52	/* RIPng route types. */
	53	#define RIPNG_ROUTE_RTE 0
	54	#define RIPNG_ROUTE_STATIC 1
a94434b6	55	#define RIPNG_ROUTE_DEFAULT 2
	56	#define RIPNG_ROUTE_REDISTRIBUTE 3
	57	#define RIPNG_ROUTE_INTERFACE 4
	58	#define RIPNG_ROUTE_AGGREGATE 5
718e3744	59
	60	/* Interface send/receive configuration. */
	61	#define RIPNG_SEND_UNSPEC 0
	62	#define RIPNG_SEND_OFF 1
	63	#define RIPNG_RECEIVE_UNSPEC 0
	64	#define RIPNG_RECEIVE_OFF 1
	65
718e3744	66	/* RIP default route's accept/announce methods. */
	67	#define RIPNG_DEFAULT_ADVERTISE_UNSPEC 0
	68	#define RIPNG_DEFAULT_ADVERTISE_NONE 1
	69	#define RIPNG_DEFAULT_ADVERTISE 2
	70
	71	#define RIPNG_DEFAULT_ACCEPT_UNSPEC 0
	72	#define RIPNG_DEFAULT_ACCEPT_NONE 1
	73	#define RIPNG_DEFAULT_ACCEPT 2
	74
718e3744	75	/* For max RTE calculation. */
	76	#ifndef IPV6_HDRLEN
	77	#define IPV6_HDRLEN 40
	78	#endif /* IPV6_HDRLEN */
	79
	80	#ifndef IFMINMTU
	81	#define IFMINMTU 576
	82	#endif /* IFMINMTU */
	83
e9ce224b RW	84	/* YANG paths */
	85	#define RIPNG_INSTANCE "/frr-ripngd:ripngd/instance"
	86	#define RIPNG_IFACE "/frr-interface:lib/interface/frr-ripngd:ripng"
	87
718e3744	88	/* RIPng structure. */
d62a17ae	89	struct ripng {
	90	/* RIPng socket. */
	91	int sock;
	92
	93	/* RIPng Parameters.*/
d7c0a89a QY	94	uint8_t command;
d7c0a89a QY	95	uint8_t version;
f8981ec5 RW	96	uint16_t update_time;
	97	uint16_t timeout_time;
	98	uint16_t garbage_time;
d62a17ae	99	int max_mtu;
ad8778c0	100	uint8_t default_metric;
d62a17ae	101
	102	/* Input/output buffer of RIPng. */
	103	struct stream *ibuf;
	104	struct stream *obuf;
	105
	106	/* RIPng routing information base. */
fe08ba7e	107	struct agg_table *table;
d62a17ae	108
d62a17ae	109	/* RIPng threads. */
	110	struct thread *t_read;
	111	struct thread *t_write;
	112	struct thread *t_update;
	113	struct thread *t_garbage;
	114	struct thread *t_zebra;
	115
	116	/* Triggered update hack. */
	117	int trigger;
	118	struct thread *t_triggered_update;
	119	struct thread *t_triggered_interval;
	120
	121	/* RIPng ECMP flag */
1e42a07c	122	bool ecmp;
d62a17ae	123
	124	/* For redistribute route map. */
	125	struct {
	126	char *name;
	127	struct route_map *map;
db2038c7 RW	128	bool metric_config;
db2038c7 RW	129	uint8_t metric;
d62a17ae	130	} route_map[ZEBRA_ROUTE_MAX];
718e3744	131	};
	132
	133	/* Routing table entry. */
d62a17ae	134	struct rte {
d62a17ae	135	struct in6_addr addr; /* RIPng destination prefix */
d7c0a89a QY	136	uint16_t tag; /* RIPng tag */
	137	uint8_t prefixlen; /* Length of the RIPng prefix */
	138	uint8_t metric; /* Metric of the RIPng route */
d62a17ae	139	/* The nexthop is stored by the structure
d62a17ae	140	* ripng_nexthop within ripngd.c */
718e3744	141	};
	142
	143	/* RIPNG send packet. */
d62a17ae	144	struct ripng_packet {
d7c0a89a QY	145	uint8_t command;
	146	uint8_t version;
	147	uint16_t zero;
d62a17ae	148	struct rte rte[1];
718e3744	149	};
	150
	151	/* Each route's information. */
d62a17ae	152	struct ripng_info {
d62a17ae	153	/* This route's type. Static, ripng or aggregate. */
d7c0a89a	154	uint8_t type;
718e3744	155
d62a17ae	156	/* Sub type for static route. */
d7c0a89a	157	uint8_t sub_type;
718e3744	158
d62a17ae	159	/* RIPng specific information */
	160	struct in6_addr nexthop;
	161	struct in6_addr from;
718e3744	162
d62a17ae	163	/* Which interface does this route come from. */
d62a17ae	164	ifindex_t ifindex;
718e3744	165
d62a17ae	166	/* Metric of this route. */
d7c0a89a	167	uint8_t metric;
718e3744	168
d62a17ae	169	/* Tag field of RIPng packet.*/
d7c0a89a	170	uint16_t tag;
718e3744	171
d62a17ae	172	/* For aggregation. */
d62a17ae	173	unsigned int suppress;
718e3744	174
d62a17ae	175	/* Flags of RIPng route. */
718e3744	176	#define RIPNG_RTF_FIB 1
718e3744	177	#define RIPNG_RTF_CHANGED 2
d7c0a89a	178	uint8_t flags;
718e3744	179
d62a17ae	180	/* Garbage collect timer. */
	181	struct thread *t_timeout;
	182	struct thread *t_garbage_collect;
718e3744	183
d62a17ae	184	/* Route-map features - this variables can be changed. */
d62a17ae	185	struct in6_addr nexthop_out;
d7c0a89a QY	186	uint8_t metric_set;
	187	uint8_t metric_out;
	188	uint16_t tag_out;
718e3744	189
fe08ba7e	190	struct agg_node *rp;
718e3744	191	};
718e3744	192
a94434b6	193	#ifdef notyet
a94434b6	194	#if 0
718e3744	195	/* RIPng tag structure. */
	196	struct ripng_tag
	197	{
	198	/* Tag value. */
d7c0a89a	199	uint16_t tag;
718e3744	200
718e3744	201	/* Port. */
d7c0a89a	202	uint16_t port;
718e3744	203
	204	/* Multicast group. */
	205	struct in6_addr maddr;
	206
	207	/* Table number. */
	208	int table;
	209
	210	/* Distance. */
	211	int distance;
	212
	213	/* Split horizon. */
d7c0a89a	214	uint8_t split_horizon;
718e3744	215
718e3744	216	/* Poison reverse. */
d7c0a89a	217	uint8_t poison_reverse;
718e3744	218	};
a94434b6	219	#endif /* 0 */
	220	#endif /* not yet */
	221
	222	typedef enum {
d62a17ae	223	RIPNG_NO_SPLIT_HORIZON = 0,
	224	RIPNG_SPLIT_HORIZON,
	225	RIPNG_SPLIT_HORIZON_POISONED_REVERSE
a94434b6	226	} split_horizon_policy_t;
718e3744	227
718e3744	228	/* RIPng specific interface configuration. */
d62a17ae	229	struct ripng_interface {
	230	/* RIPng is enabled on this interface. */
	231	int enable_network;
	232	int enable_interface;
	233
	234	/* RIPng is running on this interface. */
	235	int running;
	236
	237	/* Split horizon flag. */
	238	split_horizon_policy_t split_horizon;
d62a17ae	239
d62a17ae	240	/* For filter type slot. */
718e3744	241	#define RIPNG_FILTER_IN 0
	242	#define RIPNG_FILTER_OUT 1
	243	#define RIPNG_FILTER_MAX 2
	244
d62a17ae	245	/* Access-list. */
d62a17ae	246	struct access_list *list[RIPNG_FILTER_MAX];
718e3744	247
d62a17ae	248	/* Prefix-list. */
d62a17ae	249	struct prefix_list *prefix[RIPNG_FILTER_MAX];
718e3744	250
d62a17ae	251	/* Route-map. */
d62a17ae	252	struct route_map *routemap[RIPNG_FILTER_MAX];
718e3744	253
a94434b6	254	#ifdef notyet
a94434b6	255	#if 0
718e3744	256	/* RIPng tag configuration. */
718e3744	257	struct ripng_tag *rtag;
a94434b6	258	#endif /* 0 */
a94434b6	259	#endif /* notyet */
718e3744	260
d62a17ae	261	/* Default information originate. */
d7c0a89a	262	uint8_t default_originate;
718e3744	263
d62a17ae	264	/* Default information only. */
d7c0a89a	265	uint8_t default_only;
718e3744	266
d62a17ae	267	/* Wake up thread. */
d62a17ae	268	struct thread *t_wakeup;
718e3744	269
d62a17ae	270	/* Passive interface. */
d62a17ae	271	int passive;
718e3744	272	};
718e3744	273
a94434b6	274	/* RIPng peer information. */
d62a17ae	275	struct ripng_peer {
	276	/* Peer address. */
	277	struct in6_addr addr;
a94434b6	278
d62a17ae	279	/* Peer RIPng tag value. */
d62a17ae	280	int domain;
a94434b6	281
d62a17ae	282	/* Last update time. */
d62a17ae	283	time_t uptime;
a94434b6	284
d62a17ae	285	/* Peer RIP version. */
d7c0a89a	286	uint8_t version;
a94434b6	287
d62a17ae	288	/* Statistics. */
	289	int recv_badpackets;
	290	int recv_badroutes;
a94434b6	291
d62a17ae	292	/* Timeout thread. */
d62a17ae	293	struct thread *t_timeout;
a94434b6	294	};
a94434b6	295
718e3744	296	/* All RIPng events. */
d62a17ae	297	enum ripng_event {
	298	RIPNG_READ,
	299	RIPNG_ZEBRA,
	300	RIPNG_REQUEST_EVENT,
	301	RIPNG_UPDATE_EVENT,
	302	RIPNG_TRIGGERED_UPDATE,
718e3744	303	};
	304
	305	/* RIPng timer on/off macro. */
ffa2c898	306	#define RIPNG_TIMER_ON(T,F,V) thread_add_timer (master, (F), rinfo, (V), &(T))
718e3744	307
d62a17ae	308	#define RIPNG_TIMER_OFF(T) \
	309	do { \
	310	if (T) { \
	311	thread_cancel(T); \
	312	(T) = NULL; \
	313	} \
	314	} while (0)
718e3744	315
b09956ca RW	316	#define RIPNG_OFFSET_LIST_IN 0
	317	#define RIPNG_OFFSET_LIST_OUT 1
	318	#define RIPNG_OFFSET_LIST_MAX 2
	319
	320	struct ripng_offset_list {
	321	char *ifname;
	322
	323	struct {
	324	char *alist_name;
	325	/* struct access_list alist; /
	326	uint8_t metric;
	327	} direct[RIPNG_OFFSET_LIST_MAX];
	328	};
	329
718e3744	330	/* Extern variables. */
718e3744	331	extern struct ripng *ripng;
a8bf8fb8	332	extern struct list *peer_list;
5cb6ce9c	333	extern struct zebra_privs_t ripngd_privs;
718e3744	334	extern struct thread_master *master;
	335
	336	/* Prototypes. */
d62a17ae	337	extern void ripng_init(void);
d62a17ae	338	extern void ripng_clean(void);
	339	extern void ripng_clean_network(void);
	340	extern void ripng_interface_clean(void);
cc48702b RW	341	extern int ripng_enable_network_add(struct prefix *p);
	342	extern int ripng_enable_network_delete(struct prefix *p);
	343	extern int ripng_enable_if_add(const char *ifname);
	344	extern int ripng_enable_if_delete(const char *ifname);
22e8c7ae RW	345	extern int ripng_passive_interface_set(const char *ifname);
22e8c7ae RW	346	extern int ripng_passive_interface_unset(const char *ifname);
d62a17ae	347	extern void ripng_passive_interface_clean(void);
	348	extern void ripng_if_init(void);
	349	extern void ripng_route_map_init(void);
d62a17ae	350	extern void ripng_terminate(void);
d62a17ae	351	/* zclient_init() is done by ripng_zebra.c:zebra_init() */
4140ca4d	352	extern void zebra_init(struct thread_master *);
d62a17ae	353	extern void ripng_zebra_stop(void);
db2038c7 RW	354	extern void ripng_redistribute_conf_update(int type);
db2038c7 RW	355	extern void ripng_redistribute_conf_delete(int type);
d62a17ae	356
d62a17ae	357	extern void ripng_peer_init(void);
d7c0a89a	358	extern void ripng_peer_update(struct sockaddr_in6 *, uint8_t);
d62a17ae	359	extern void ripng_peer_bad_route(struct sockaddr_in6 *);
	360	extern void ripng_peer_bad_packet(struct sockaddr_in6 *);
	361	extern void ripng_peer_display(struct vty *);
	362	extern struct ripng_peer ripng_peer_lookup(struct in6_addr );
	363	extern struct ripng_peer ripng_peer_lookup_next(struct in6_addr );
	364
b09956ca RW	365	extern struct ripng_offset_list ripng_offset_list_new(const char ifname);
	366	extern void ripng_offset_list_del(struct ripng_offset_list *offset);
	367	extern struct ripng_offset_list ripng_offset_list_lookup(const char ifname);
	368	extern struct ripng_offset_list ripng_offset_list_lookup(const char ifname);
d62a17ae	369	extern int ripng_offset_list_apply_in(struct prefix_ipv6 , struct interface ,
d7c0a89a	370	uint8_t *);
d62a17ae	371	extern int ripng_offset_list_apply_out(struct prefix_ipv6 , struct interface ,
d7c0a89a	372	uint8_t *);
b09956ca	373	extern void ripng_offset_init(void);
d62a17ae	374	extern void ripng_offset_clean(void);
d62a17ae	375
49e06d25	376	extern int ripng_route_rte(struct ripng_info *rinfo);
d62a17ae	377	extern struct ripng_info *ripng_info_new(void);
	378	extern void ripng_info_free(struct ripng_info *rinfo);
	379	extern void ripng_event(enum ripng_event, int);
	380	extern int ripng_request(struct interface *ifp);
	381	extern void ripng_redistribute_add(int, int, struct prefix_ipv6 *, ifindex_t,
	382	struct in6_addr *, route_tag_t);
	383	extern void ripng_redistribute_delete(int, int, struct prefix_ipv6 *,
	384	ifindex_t);
	385	extern void ripng_redistribute_withdraw(int type);
	386
1e42a07c	387	extern void ripng_ecmp_disable(void);
d62a17ae	388	extern void ripng_distribute_update_interface(struct interface *);
	389	extern void ripng_if_rmap_update_interface(struct interface *);
	390
fe08ba7e DS	391	extern void ripng_zebra_ipv6_add(struct agg_node *node);
fe08ba7e DS	392	extern void ripng_zebra_ipv6_delete(struct agg_node *node);
d62a17ae	393
	394	extern void ripng_redistribute_clean(void);
	395	extern int ripng_redistribute_check(int);
db2038c7	396	extern void ripng_redistribute_write(struct vty *);
d62a17ae	397
d62a17ae	398	extern int ripng_write_rte(int num, struct stream s, struct prefix_ipv6 p,
d7c0a89a QY	399	struct in6_addr *nexthop, uint16_t tag,
d7c0a89a QY	400	uint8_t metric);
d62a17ae	401	extern int ripng_send_packet(caddr_t buf, int bufsize, struct sockaddr_in6 *to,
	402	struct interface *ifp);
	403
	404	extern void ripng_packet_dump(struct ripng_packet *packet, int size,
	405	const char *sndrcv);
	406
	407	extern int ripng_interface_up(int command, struct zclient *, zebra_size_t,
	408	vrf_id_t);
	409	extern int ripng_interface_down(int command, struct zclient *, zebra_size_t,
	410	vrf_id_t);
	411	extern int ripng_interface_add(int command, struct zclient *, zebra_size_t,
	412	vrf_id_t);
	413	extern int ripng_interface_delete(int command, struct zclient *, zebra_size_t,
	414	vrf_id_t);
	415	extern int ripng_interface_address_add(int command, struct zclient *,
	416	zebra_size_t, vrf_id_t);
	417	extern int ripng_interface_address_delete(int command, struct zclient *,
	418	zebra_size_t, vrf_id_t);
	419
9a12e9e5 RW	420	extern int ripng_create(int socket);
9a12e9e5 RW	421	extern int ripng_make_socket(void);
22e8c7ae	422	extern int ripng_network_write(struct vty *);
d62a17ae	423
	424	extern struct ripng_info ripng_ecmp_add(struct ripng_info );
	425	extern struct ripng_info ripng_ecmp_replace(struct ripng_info );
	426	extern struct ripng_info ripng_ecmp_delete(struct ripng_info );
c880b636	427
e9ce224b RW	428	/* Northbound. */
	429	extern void ripng_cli_init(void);
	430	extern const struct frr_yang_module_info frr_ripngd_info;
	431
718e3744	432	#endif /* _ZEBRA_RIPNG_RIPNGD_H */