[mirror_frr.git] / ripngd / ripngd.h

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * RIPng related value and structure.
 * Copyright (C) 1998 Kunihiro Ishiguro
 */

#ifndef _ZEBRA_RIPNG_RIPNGD_H
#define _ZEBRA_RIPNG_RIPNGD_H

#include <zclient.h>
#include <vty.h>
#include <distribute.h>
#include <vector.h>
#include <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"

DECLARE_MGROUP(RIPNGD);

/* RIPng structure. */
struct ripng {
	RB_ENTRY(ripng) entry;

	/* VRF this routing instance is associated with. */
	char *vrf_name;

	/* VRF backpointer (might be NULL if the VRF doesn't exist). */
	struct vrf *vrf;

	/* Status of the routing instance. */
	bool enabled;

	/* 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;

	/* Linked list of RIPng peers. */
	struct list *peer_list;

	/* RIPng enabled interfaces. */
	vector enable_if;

	/* RIPng enabled networks. */
	struct agg_table *enable_network;

	/* Vector to store passive-interface name. */
	vector passive_interface;

	/* RIPng offset-lists. */
	struct list *offset_list_master;

	/* RIPng threads. */
	struct event *t_read;
	struct event *t_update;

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

	/* RIPng ECMP flag */
	uint8_t ecmp;

	/* RIPng redistribute configuration. */
	struct {
		bool enabled;
		struct {
			char *name;
			struct route_map *map;
		} route_map;
		bool metric_config;
		uint8_t metric;
	} redist[ZEBRA_ROUTE_MAX];

	/* For distribute-list container */
	struct distribute_ctx *distribute_ctx;

	/* For if_rmap container */
	struct if_rmap_ctx *if_rmap_ctx;
};
RB_HEAD(ripng_instance_head, ripng);
RB_PROTOTYPE(ripng_instance_head, ripng, entry, ripng_instance_compare)

/* 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 event *t_timeout;
	struct event *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;
};

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 {
	/* Parent routing instance. */
	struct ripng *ripng;

	/* 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];

	/* Default information originate. */
	uint8_t default_originate;

	/* Default information only. */
	uint8_t default_only;

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

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

/* RIPng peer information. */
struct ripng_peer {
	/* Parent routing instance. */
	struct ripng *ripng;

	/* 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 event *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) event_add_timer(master, (F), rinfo, (V), &(T))

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

struct ripng_offset_list {
	/* Parent routing instance. */
	struct ripng *ripng;

	char *ifname;

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

/* Extern variables. */
extern struct zebra_privs_t ripngd_privs;
extern struct event_loop *master;
extern struct ripng_instance_head ripng_instances;

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

extern void ripng_peer_update(struct ripng *ripng, struct sockaddr_in6 *from,
			      uint8_t version);
extern void ripng_peer_bad_route(struct ripng *ripng,
				 struct sockaddr_in6 *from);
extern void ripng_peer_bad_packet(struct ripng *ripng,
				  struct sockaddr_in6 *from);
extern void ripng_peer_display(struct vty *vty, struct ripng *ripng);
extern struct ripng_peer *ripng_peer_lookup(struct ripng *ripng,
					    struct in6_addr *addr);
extern struct ripng_peer *ripng_peer_lookup_next(struct ripng *ripng,
						 struct in6_addr *addr);
extern int ripng_peer_list_cmp(struct ripng_peer *p1, struct ripng_peer *p2);
extern void ripng_peer_list_del(void *arg);

extern struct ripng_offset_list *ripng_offset_list_new(struct ripng *ripng,
						       const char *ifname);
extern void ripng_offset_list_del(struct ripng_offset_list *offset);
extern void ripng_offset_list_free(struct ripng_offset_list *offset);
extern struct ripng_offset_list *ripng_offset_list_lookup(struct ripng *ripng,
							  const char *ifname);
extern int ripng_offset_list_apply_in(struct ripng *ripng,
				      struct prefix_ipv6 *p,
				      struct interface *ifp, uint8_t *metric);
extern int ripng_offset_list_apply_out(struct ripng *ripng,
				       struct prefix_ipv6 *p,
				       struct interface *ifp, uint8_t *metric);
extern int offset_list_cmp(struct ripng_offset_list *o1,
			   struct ripng_offset_list *o2);

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 struct ripng *ripng_info_get_instance(const struct ripng_info *rinfo);
extern void ripng_event(struct ripng *ripng, enum ripng_event event, int sock);
extern int ripng_request(struct interface *ifp);
extern void ripng_redistribute_add(struct ripng *ripng, int type, int sub_type,
				   struct prefix_ipv6 *p, ifindex_t ifindex,
				   struct in6_addr *nexthop, route_tag_t tag);
extern void ripng_redistribute_delete(struct ripng *ripng, int type,
				      int sub_type, struct prefix_ipv6 *p,
				      ifindex_t ifindex);
extern void ripng_redistribute_withdraw(struct ripng *ripng, int type);

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

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

extern void ripng_redistribute_enable(struct ripng *ripng);
extern void ripng_redistribute_disable(struct ripng *ripng);
extern int ripng_redistribute_check(struct ripng *ripng, int type);
extern void ripng_redistribute_write(struct vty *vty, struct ripng *ripng);

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(ZAPI_CALLBACK_ARGS);
extern int ripng_interface_down(ZAPI_CALLBACK_ARGS);
extern int ripng_interface_add(ZAPI_CALLBACK_ARGS);
extern int ripng_interface_delete(ZAPI_CALLBACK_ARGS);
extern int ripng_interface_address_add(ZAPI_CALLBACK_ARGS);
extern int ripng_interface_address_delete(ZAPI_CALLBACK_ARGS);
extern int ripng_interface_vrf_update(ZAPI_CALLBACK_ARGS);
extern void ripng_interface_sync(struct interface *ifp);

extern struct ripng *ripng_lookup_by_vrf_id(vrf_id_t vrf_id);
extern struct ripng *ripng_lookup_by_vrf_name(const char *vrf_name);
extern struct ripng *ripng_create(const char *vrf_name, struct vrf *vrf,
				  int socket);
extern int ripng_make_socket(struct vrf *vrf);
extern int ripng_network_write(struct vty *vty, struct ripng *ripng);

extern struct ripng_info *ripng_ecmp_add(struct ripng *ripng,
					 struct ripng_info *rinfo);
extern struct ripng_info *ripng_ecmp_replace(struct ripng *ripng,
					     struct ripng_info *rinfo);
extern struct ripng_info *ripng_ecmp_delete(struct ripng *ripng,
					    struct ripng_info *rinfo);
extern void ripng_ecmp_change(struct ripng *ripng);

extern void ripng_vrf_init(void);
extern void ripng_vrf_terminate(void);
extern void ripng_cli_init(void);

extern uint32_t zebra_ecmp_count;

#endif /* _ZEBRA_RIPNG_RIPNGD_H */
Commit	Line	Data
acddc0ed	1	// SPDX-License-Identifier: GPL-2.0-or-later
718e3744	2	/*
	3	* RIPng related value and structure.
	4	* Copyright (C) 1998 Kunihiro Ishiguro
718e3744	5	*/
	6
	7	#ifndef _ZEBRA_RIPNG_RIPNGD_H
	8	#define _ZEBRA_RIPNG_RIPNGD_H
	9
6ac29a51 PJ	10	#include <zclient.h>
6ac29a51 PJ	11	#include <vty.h>
03a38493	12	#include <distribute.h>
b0ba762f	13	#include <vector.h>
b3a7e30d	14	#include <memory.h>
4a1ab8e4	15
718e3744	16	/* RIPng version and port number. */
	17	#define RIPNG_V1 1
	18	#define RIPNG_PORT_DEFAULT 521
	19	#define RIPNG_VTY_PORT 2603
718e3744	20	#define RIPNG_MAX_PACKET_SIZE 1500
	21	#define RIPNG_PRIORITY_DEFAULT 0
	22
	23	/* RIPng commands. */
	24	#define RIPNG_REQUEST 1
	25	#define RIPNG_RESPONSE 2
	26
	27	/* RIPng metric and multicast group address. */
	28	#define RIPNG_METRIC_INFINITY 16
	29	#define RIPNG_METRIC_NEXTHOP 0xff
	30	#define RIPNG_GROUP "ff02::9"
	31
a94434b6	32	/* RIPng peer timeout value. */
	33	#define RIPNG_PEER_TIMER_DEFAULT 180
	34
718e3744	35	/* Default config file name. */
	36	#define RIPNG_DEFAULT_CONFIG "ripngd.conf"
	37
	38	/* RIPng route types. */
	39	#define RIPNG_ROUTE_RTE 0
	40	#define RIPNG_ROUTE_STATIC 1
a94434b6	41	#define RIPNG_ROUTE_DEFAULT 2
	42	#define RIPNG_ROUTE_REDISTRIBUTE 3
	43	#define RIPNG_ROUTE_INTERFACE 4
	44	#define RIPNG_ROUTE_AGGREGATE 5
718e3744	45
	46	/* Interface send/receive configuration. */
	47	#define RIPNG_SEND_UNSPEC 0
	48	#define RIPNG_SEND_OFF 1
	49	#define RIPNG_RECEIVE_UNSPEC 0
	50	#define RIPNG_RECEIVE_OFF 1
	51
718e3744	52	/* RIP default route's accept/announce methods. */
	53	#define RIPNG_DEFAULT_ADVERTISE_UNSPEC 0
	54	#define RIPNG_DEFAULT_ADVERTISE_NONE 1
	55	#define RIPNG_DEFAULT_ADVERTISE 2
	56
	57	#define RIPNG_DEFAULT_ACCEPT_UNSPEC 0
	58	#define RIPNG_DEFAULT_ACCEPT_NONE 1
	59	#define RIPNG_DEFAULT_ACCEPT 2
	60
718e3744	61	/* For max RTE calculation. */
	62	#ifndef IPV6_HDRLEN
	63	#define IPV6_HDRLEN 40
	64	#endif /* IPV6_HDRLEN */
	65
	66	#ifndef IFMINMTU
	67	#define IFMINMTU 576
	68	#endif /* IFMINMTU */
	69
e9ce224b RW	70	/* YANG paths */
	71	#define RIPNG_INSTANCE "/frr-ripngd:ripngd/instance"
	72	#define RIPNG_IFACE "/frr-interface:lib/interface/frr-ripngd:ripng"
	73
bf8d3d6a	74	DECLARE_MGROUP(RIPNGD);
b3a7e30d	75
718e3744	76	/* RIPng structure. */
d62a17ae	77	struct ripng {
dde7b15b RW	78	RB_ENTRY(ripng) entry;
	79
	80	/* VRF this routing instance is associated with. */
	81	char *vrf_name;
	82
	83	/* VRF backpointer (might be NULL if the VRF doesn't exist). */
	84	struct vrf *vrf;
	85
	86	/* Status of the routing instance. */
	87	bool enabled;
5c84b9a5	88
d62a17ae	89	/* RIPng socket. */
	90	int sock;
	91
	92	/* RIPng Parameters.*/
d7c0a89a QY	93	uint8_t command;
d7c0a89a QY	94	uint8_t version;
f8981ec5 RW	95	uint16_t update_time;
	96	uint16_t timeout_time;
	97	uint16_t garbage_time;
d62a17ae	98	int max_mtu;
ad8778c0	99	uint8_t default_metric;
d62a17ae	100
	101	/* Input/output buffer of RIPng. */
	102	struct stream *ibuf;
	103	struct stream *obuf;
	104
	105	/* RIPng routing information base. */
fe08ba7e	106	struct agg_table *table;
d62a17ae	107
ecece94c RW	108	/* Linked list of RIPng peers. */
	109	struct list *peer_list;
	110
b0ba762f RW	111	/* RIPng enabled interfaces. */
	112	vector enable_if;
	113
29b94d58 RW	114	/* RIPng enabled networks. */
	115	struct agg_table *enable_network;
	116
0c32404f RW	117	/* Vector to store passive-interface name. */
	118	vector passive_interface;
	119
26c6be93 RW	120	/* RIPng offset-lists. */
	121	struct list *offset_list_master;
	122
d62a17ae	123	/* RIPng threads. */
e6685141 DS	124	struct event *t_read;
e6685141 DS	125	struct event *t_update;
d62a17ae	126
	127	/* Triggered update hack. */
	128	int trigger;
e6685141 DS	129	struct event *t_triggered_update;
e6685141 DS	130	struct event *t_triggered_interval;
d62a17ae	131
d62a17ae	132	/* RIPng ECMP flag */
57aedde6	133	uint8_t ecmp;
d62a17ae	134
f9120f71	135	/* RIPng redistribute configuration. */
d62a17ae	136	struct {
f9120f71 RW	137	bool enabled;
	138	struct {
	139	char *name;
	140	struct route_map *map;
	141	} route_map;
db2038c7 RW	142	bool metric_config;
db2038c7 RW	143	uint8_t metric;
f9120f71	144	} redist[ZEBRA_ROUTE_MAX];
03a38493 PG	145
	146	/* For distribute-list container */
	147	struct distribute_ctx *distribute_ctx;
4b23867c PG	148
	149	/* For if_rmap container */
	150	struct if_rmap_ctx *if_rmap_ctx;
718e3744	151	};
dde7b15b RW	152	RB_HEAD(ripng_instance_head, ripng);
dde7b15b RW	153	RB_PROTOTYPE(ripng_instance_head, ripng, entry, ripng_instance_compare)
718e3744	154
718e3744	155	/* Routing table entry. */
d62a17ae	156	struct rte {
d62a17ae	157	struct in6_addr addr; /* RIPng destination prefix */
d7c0a89a QY	158	uint16_t tag; /* RIPng tag */
	159	uint8_t prefixlen; /* Length of the RIPng prefix */
	160	uint8_t metric; /* Metric of the RIPng route */
d62a17ae	161	/* The nexthop is stored by the structure
d62a17ae	162	* ripng_nexthop within ripngd.c */
718e3744	163	};
	164
	165	/* RIPNG send packet. */
d62a17ae	166	struct ripng_packet {
d7c0a89a QY	167	uint8_t command;
	168	uint8_t version;
	169	uint16_t zero;
d62a17ae	170	struct rte rte[1];
718e3744	171	};
	172
	173	/* Each route's information. */
d62a17ae	174	struct ripng_info {
d62a17ae	175	/* This route's type. Static, ripng or aggregate. */
d7c0a89a	176	uint8_t type;
718e3744	177
d62a17ae	178	/* Sub type for static route. */
d7c0a89a	179	uint8_t sub_type;
718e3744	180
d62a17ae	181	/* RIPng specific information */
	182	struct in6_addr nexthop;
	183	struct in6_addr from;
718e3744	184
d62a17ae	185	/* Which interface does this route come from. */
d62a17ae	186	ifindex_t ifindex;
718e3744	187
d62a17ae	188	/* Metric of this route. */
d7c0a89a	189	uint8_t metric;
718e3744	190
d62a17ae	191	/* Tag field of RIPng packet.*/
d7c0a89a	192	uint16_t tag;
718e3744	193
d62a17ae	194	/* For aggregation. */
d62a17ae	195	unsigned int suppress;
718e3744	196
d62a17ae	197	/* Flags of RIPng route. */
718e3744	198	#define RIPNG_RTF_FIB 1
718e3744	199	#define RIPNG_RTF_CHANGED 2
d7c0a89a	200	uint8_t flags;
718e3744	201
d62a17ae	202	/* Garbage collect timer. */
e6685141 DS	203	struct event *t_timeout;
e6685141 DS	204	struct event *t_garbage_collect;
718e3744	205
d62a17ae	206	/* Route-map features - this variables can be changed. */
d62a17ae	207	struct in6_addr nexthop_out;
d7c0a89a QY	208	uint8_t metric_set;
	209	uint8_t metric_out;
	210	uint16_t tag_out;
718e3744	211
fe08ba7e	212	struct agg_node *rp;
718e3744	213	};
718e3744	214
a94434b6	215	typedef enum {
d62a17ae	216	RIPNG_NO_SPLIT_HORIZON = 0,
	217	RIPNG_SPLIT_HORIZON,
	218	RIPNG_SPLIT_HORIZON_POISONED_REVERSE
a94434b6	219	} split_horizon_policy_t;
718e3744	220
718e3744	221	/* RIPng specific interface configuration. */
d62a17ae	222	struct ripng_interface {
5c84b9a5 RW	223	/* Parent routing instance. */
	224	struct ripng *ripng;
	225
d62a17ae	226	/* RIPng is enabled on this interface. */
	227	int enable_network;
	228	int enable_interface;
	229
	230	/* RIPng is running on this interface. */
	231	int running;
	232
	233	/* Split horizon flag. */
	234	split_horizon_policy_t split_horizon;
d62a17ae	235
d62a17ae	236	/* For filter type slot. */
718e3744	237	#define RIPNG_FILTER_IN 0
	238	#define RIPNG_FILTER_OUT 1
	239	#define RIPNG_FILTER_MAX 2
	240
d62a17ae	241	/* Access-list. */
d62a17ae	242	struct access_list *list[RIPNG_FILTER_MAX];
718e3744	243
d62a17ae	244	/* Prefix-list. */
d62a17ae	245	struct prefix_list *prefix[RIPNG_FILTER_MAX];
718e3744	246
d62a17ae	247	/* Route-map. */
d62a17ae	248	struct route_map *routemap[RIPNG_FILTER_MAX];
718e3744	249
d62a17ae	250	/* Default information originate. */
d7c0a89a	251	uint8_t default_originate;
718e3744	252
d62a17ae	253	/* Default information only. */
d7c0a89a	254	uint8_t default_only;
718e3744	255
d62a17ae	256	/* Wake up thread. */
e6685141	257	struct event *t_wakeup;
718e3744	258
d62a17ae	259	/* Passive interface. */
d62a17ae	260	int passive;
718e3744	261	};
718e3744	262
a94434b6	263	/* RIPng peer information. */
d62a17ae	264	struct ripng_peer {
5c84b9a5 RW	265	/* Parent routing instance. */
	266	struct ripng *ripng;
	267
d62a17ae	268	/* Peer address. */
d62a17ae	269	struct in6_addr addr;
a94434b6	270
d62a17ae	271	/* Peer RIPng tag value. */
d62a17ae	272	int domain;
a94434b6	273
d62a17ae	274	/* Last update time. */
d62a17ae	275	time_t uptime;
a94434b6	276
d62a17ae	277	/* Peer RIP version. */
d7c0a89a	278	uint8_t version;
a94434b6	279
d62a17ae	280	/* Statistics. */
	281	int recv_badpackets;
	282	int recv_badroutes;
a94434b6	283
d62a17ae	284	/* Timeout thread. */
e6685141	285	struct event *t_timeout;
a94434b6	286	};
a94434b6	287
718e3744	288	/* All RIPng events. */
d62a17ae	289	enum ripng_event {
	290	RIPNG_READ,
	291	RIPNG_ZEBRA,
	292	RIPNG_REQUEST_EVENT,
	293	RIPNG_UPDATE_EVENT,
	294	RIPNG_TRIGGERED_UPDATE,
718e3744	295	};
	296
	297	/* RIPng timer on/off macro. */
907a2395	298	#define RIPNG_TIMER_ON(T, F, V) event_add_timer(master, (F), rinfo, (V), &(T))
718e3744	299
b09956ca RW	300	#define RIPNG_OFFSET_LIST_IN 0
	301	#define RIPNG_OFFSET_LIST_OUT 1
	302	#define RIPNG_OFFSET_LIST_MAX 2
	303
	304	struct ripng_offset_list {
5c84b9a5 RW	305	/* Parent routing instance. */
	306	struct ripng *ripng;
	307
b09956ca RW	308	char *ifname;
	309
	310	struct {
	311	char *alist_name;
	312	/* struct access_list alist; /
	313	uint8_t metric;
	314	} direct[RIPNG_OFFSET_LIST_MAX];
	315	};
	316
718e3744	317	/* Extern variables. */
5cb6ce9c	318	extern struct zebra_privs_t ripngd_privs;
cd9d0537	319	extern struct event_loop *master;
80cf4e45	320	extern struct ripng_instance_head ripng_instances;
718e3744	321
718e3744	322	/* Prototypes. */
d62a17ae	323	extern void ripng_init(void);
5c84b9a5 RW	324	extern void ripng_clean(struct ripng *ripng);
	325	extern void ripng_clean_network(struct ripng *ripng);
	326	extern void ripng_interface_clean(struct ripng *ripng);
	327	extern int ripng_enable_network_add(struct ripng ripng, struct prefix p);
	328	extern int ripng_enable_network_delete(struct ripng ripng, struct prefix p);
	329	extern int ripng_enable_if_add(struct ripng ripng, const char ifname);
	330	extern int ripng_enable_if_delete(struct ripng ripng, const char ifname);
	331	extern int ripng_passive_interface_set(struct ripng ripng, const char ifname);
	332	extern int ripng_passive_interface_unset(struct ripng *ripng,
	333	const char *ifname);
	334	extern void ripng_passive_interface_clean(struct ripng *ripng);
d62a17ae	335	extern void ripng_if_init(void);
d62a17ae	336	extern void ripng_route_map_init(void);
dde7b15b RW	337	extern void ripng_zebra_vrf_register(struct vrf *vrf);
dde7b15b RW	338	extern void ripng_zebra_vrf_deregister(struct vrf *vrf);
d62a17ae	339	extern void ripng_terminate(void);
d62a17ae	340	/* zclient_init() is done by ripng_zebra.c:zebra_init() */
cd9d0537	341	extern void zebra_init(struct event_loop *master);
d62a17ae	342	extern void ripng_zebra_stop(void);
5c84b9a5 RW	343	extern void ripng_redistribute_conf_update(struct ripng *ripng, int type);
	344	extern void ripng_redistribute_conf_delete(struct ripng *ripng, int type);
	345
	346	extern void ripng_peer_update(struct ripng ripng, struct sockaddr_in6 from,
	347	uint8_t version);
	348	extern void ripng_peer_bad_route(struct ripng *ripng,
	349	struct sockaddr_in6 *from);
	350	extern void ripng_peer_bad_packet(struct ripng *ripng,
	351	struct sockaddr_in6 *from);
	352	extern void ripng_peer_display(struct vty vty, struct ripng ripng);
	353	extern struct ripng_peer ripng_peer_lookup(struct ripng ripng,
	354	struct in6_addr *addr);
	355	extern struct ripng_peer ripng_peer_lookup_next(struct ripng ripng,
	356	struct in6_addr *addr);
ecece94c	357	extern int ripng_peer_list_cmp(struct ripng_peer p1, struct ripng_peer p2);
56bf1cb2	358	extern void ripng_peer_list_del(void *arg);
d62a17ae	359
5c84b9a5 RW	360	extern struct ripng_offset_list ripng_offset_list_new(struct ripng ripng,
5c84b9a5 RW	361	const char *ifname);
b09956ca	362	extern void ripng_offset_list_del(struct ripng_offset_list *offset);
6c4c3561	363	extern void ripng_offset_list_free(struct ripng_offset_list *offset);
5c84b9a5 RW	364	extern struct ripng_offset_list ripng_offset_list_lookup(struct ripng ripng,
	365	const char *ifname);
	366	extern int ripng_offset_list_apply_in(struct ripng *ripng,
	367	struct prefix_ipv6 *p,
	368	struct interface ifp, uint8_t metric);
	369	extern int ripng_offset_list_apply_out(struct ripng *ripng,
	370	struct prefix_ipv6 *p,
	371	struct interface ifp, uint8_t metric);
26c6be93 RW	372	extern int offset_list_cmp(struct ripng_offset_list *o1,
26c6be93 RW	373	struct ripng_offset_list *o2);
d62a17ae	374
49e06d25	375	extern int ripng_route_rte(struct ripng_info *rinfo);
d62a17ae	376	extern struct ripng_info *ripng_info_new(void);
d62a17ae	377	extern void ripng_info_free(struct ripng_info *rinfo);
5c84b9a5 RW	378	extern struct ripng ripng_info_get_instance(const struct ripng_info rinfo);
5c84b9a5 RW	379	extern void ripng_event(struct ripng *ripng, enum ripng_event event, int sock);
d62a17ae	380	extern int ripng_request(struct interface *ifp);
5c84b9a5 RW	381	extern void ripng_redistribute_add(struct ripng *ripng, int type, int sub_type,
	382	struct prefix_ipv6 *p, ifindex_t ifindex,
	383	struct in6_addr *nexthop, route_tag_t tag);
	384	extern void ripng_redistribute_delete(struct ripng *ripng, int type,
	385	int sub_type, struct prefix_ipv6 *p,
	386	ifindex_t ifindex);
	387	extern void ripng_redistribute_withdraw(struct ripng *ripng, int type);
	388
	389	extern void ripng_ecmp_disable(struct ripng *ripng);
d62a17ae	390	extern void ripng_distribute_update_interface(struct interface *);
	391	extern void ripng_if_rmap_update_interface(struct interface *);
	392
5c84b9a5 RW	393	extern void ripng_zebra_ipv6_add(struct ripng ripng, struct agg_node node);
5c84b9a5 RW	394	extern void ripng_zebra_ipv6_delete(struct ripng ripng, struct agg_node node);
d62a17ae	395
f9120f71 RW	396	extern void ripng_redistribute_enable(struct ripng *ripng);
f9120f71 RW	397	extern void ripng_redistribute_disable(struct ripng *ripng);
5c84b9a5 RW	398	extern int ripng_redistribute_check(struct ripng *ripng, int type);
5c84b9a5 RW	399	extern void ripng_redistribute_write(struct vty vty, struct ripng ripng);
d62a17ae	400
d62a17ae	401	extern int ripng_write_rte(int num, struct stream s, struct prefix_ipv6 p,
d7c0a89a QY	402	struct in6_addr *nexthop, uint16_t tag,
d7c0a89a QY	403	uint8_t metric);
d62a17ae	404	extern int ripng_send_packet(caddr_t buf, int bufsize, struct sockaddr_in6 *to,
	405	struct interface *ifp);
	406
	407	extern void ripng_packet_dump(struct ripng_packet *packet, int size,
	408	const char *sndrcv);
	409
121f9dee QY	410	extern int ripng_interface_up(ZAPI_CALLBACK_ARGS);
	411	extern int ripng_interface_down(ZAPI_CALLBACK_ARGS);
	412	extern int ripng_interface_add(ZAPI_CALLBACK_ARGS);
	413	extern int ripng_interface_delete(ZAPI_CALLBACK_ARGS);
	414	extern int ripng_interface_address_add(ZAPI_CALLBACK_ARGS);
	415	extern int ripng_interface_address_delete(ZAPI_CALLBACK_ARGS);
	416	extern int ripng_interface_vrf_update(ZAPI_CALLBACK_ARGS);
dde7b15b	417	extern void ripng_interface_sync(struct interface *ifp);
d62a17ae	418
5c84b9a5	419	extern struct ripng *ripng_lookup_by_vrf_id(vrf_id_t vrf_id);
dde7b15b RW	420	extern struct ripng ripng_lookup_by_vrf_name(const char vrf_name);
	421	extern struct ripng ripng_create(const char vrf_name, struct vrf *vrf,
	422	int socket);
	423	extern int ripng_make_socket(struct vrf *vrf);
5c84b9a5 RW	424	extern int ripng_network_write(struct vty vty, struct ripng ripng);
	425
	426	extern struct ripng_info ripng_ecmp_add(struct ripng ripng,
	427	struct ripng_info *rinfo);
	428	extern struct ripng_info ripng_ecmp_replace(struct ripng ripng,
	429	struct ripng_info *rinfo);
	430	extern struct ripng_info ripng_ecmp_delete(struct ripng ripng,
	431	struct ripng_info *rinfo);
57aedde6	432	extern void ripng_ecmp_change(struct ripng *ripng);
c880b636	433
dde7b15b RW	434	extern void ripng_vrf_init(void);
dde7b15b RW	435	extern void ripng_vrf_terminate(void);
e9ce224b	436	extern void ripng_cli_init(void);
e9ce224b	437
6c5ffa88 DA	438	extern uint32_t zebra_ecmp_count;
6c5ffa88 DA	439
718e3744	440	#endif /* _ZEBRA_RIPNG_RIPNGD_H */