[mirror_frr.git] / isisd / isis_circuit.h

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * IS-IS Rout(e)ing protocol - isis_circuit.h
 *
 * Copyright (C) 2001,2002   Sampo Saaristo
 *                           Tampere University of Technology
 *                           Institute of Communications Engineering
 */

#ifndef ISIS_CIRCUIT_H
#define ISIS_CIRCUIT_H

#include "vty.h"
#include "if.h"
#include "qobj.h"
#include "prefix.h"
#include "ferr.h"
#include "nexthop.h"

#include "isis_constants.h"
#include "isis_common.h"
#include "isis_csm.h"

DECLARE_HOOK(isis_if_new_hook, (struct interface *ifp), (ifp));

struct isis_lsp;

struct password {
	struct password *next;
	int len;
	uint8_t *pass;
};

struct metric {
	uint8_t metric_default;
	uint8_t metric_error;
	uint8_t metric_expense;
	uint8_t metric_delay;
};

struct isis_bcast_info {
	uint8_t snpa[ETH_ALEN];		      /* SNPA of this circuit */
	char run_dr_elect[ISIS_LEVELS];       /* Should we run dr election ? */
	struct event *t_run_dr[ISIS_LEVELS];  /* DR election thread */
	struct event *t_send_lan_hello[ISIS_LEVELS];  /* send LAN IIHs in this
							  thread */
	struct list *adjdb[ISIS_LEVELS];	      /* adjacency dbs */
	struct list *lan_neighs[ISIS_LEVELS];     /* list of lx neigh snpa */
	char is_dr[ISIS_LEVELS];		  /* Are we level x DR ? */
	uint8_t l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */
	uint8_t l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */
	struct event *t_refresh_pseudo_lsp[ISIS_LEVELS]; /* refresh pseudo-node
							     LSPs */
};

struct isis_p2p_info {
	struct isis_adjacency *neighbor;
	struct event *t_send_p2p_hello; /* send P2P IIHs in this thread  */
};

struct isis_circuit_arg {
	int level;
	struct isis_circuit *circuit;
};

/*
 * Hello padding types
 */
enum isis_hello_padding {
	ISIS_HELLO_PADDING_ALWAYS,
	ISIS_HELLO_PADDING_DISABLED,
	ISIS_HELLO_PADDING_DURING_ADJACENCY_FORMATION
};

struct isis_circuit {
	enum isis_circuit_state state;
	uint8_t circuit_id;	  /* l1/l2 bcast CircuitID */
	time_t last_uptime;
	struct isis *isis;
	struct isis_area *area;      /* back pointer to the area */
	struct interface *interface; /* interface info from z */
	int fd;			     /* IS-IS l1/2 socket */
	int sap_length;		     /* SAP length for DLPI */
	struct nlpids nlpids;
	/*
	 * Threads
	 */
	struct event *t_read;
	struct event *t_send_csnp[ISIS_LEVELS];
	struct event *t_send_psnp[ISIS_LEVELS];
	struct isis_tx_queue *tx_queue;
	struct isis_circuit_arg
		level_arg[ISIS_LEVELS]; /* used as argument for threads */

	/* there is no real point in two streams, just for programming kicker */
	int (*rx)(struct isis_circuit *circuit, uint8_t *ssnpa);
	struct stream *rcv_stream; /* Stream for receiving */
	int (*tx)(struct isis_circuit *circuit, int level);
	struct stream *snd_stream; /* Stream for sending */
	int idx;		   /* idx in S[RM|SN] flags */
#define CIRCUIT_T_UNKNOWN    0
#define CIRCUIT_T_BROADCAST  1
#define CIRCUIT_T_P2P        2
#define CIRCUIT_T_LOOPBACK   3
	int circ_type;		   /* type of the physical interface */
	int circ_type_config;      /* config type of the physical interface */
	union {
		struct isis_bcast_info bc;
		struct isis_p2p_info p2p;
	} u;
	uint8_t priority[ISIS_LEVELS]; /* l1/2 IS configured priority */
	enum isis_hello_padding pad_hellos; /* type of Hello PDUs padding */
	char ext_domain;    /* externalDomain   (boolean) */
	int lsp_regenerate_pending[ISIS_LEVELS];
	uint64_t lsp_error_counter;

	/*
	 * Configurables
	 */
	char *tag;		       /* area tag */
	struct isis_passwd passwd;     /* Circuit rx/tx password */
	int is_type_config;	       /* configured circuit is type */
	int is_type;		       /* circuit is type == level of circuit
					* differentiated from circuit type (media) */
	uint32_t hello_interval[ISIS_LEVELS];   /* hello-interval in seconds */
	uint16_t hello_multiplier[ISIS_LEVELS]; /* hello-multiplier */
	uint16_t csnp_interval[ISIS_LEVELS];    /* csnp-interval in seconds */
	uint16_t psnp_interval[ISIS_LEVELS];    /* psnp-interval in seconds */
	uint8_t metric[ISIS_LEVELS];
	uint32_t te_metric[ISIS_LEVELS];
	struct isis_ext_subtlvs *ext; /* Extended parameters (TE + Adj SID */
	int ip_router;  /* Route IP ? */
	int is_passive; /* Is Passive ? */
	struct list *mt_settings;   /* IS-IS MT Settings */
	struct list *ip_addrs;      /* our IP addresses */
	int ipv6_router;	    /* Route IPv6 ? */
	struct list *ipv6_link;     /* our link local IPv6 addresses */
	struct list *ipv6_non_link; /* our non-link local IPv6 addresses */
	uint16_t upadjcount[ISIS_LEVELS];
#define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01
#define ISIS_CIRCUIT_IF_DOWN_FROM_Z 0x02
	uint8_t flags;
	bool disable_threeway_adj;
	struct {
		bool enabled;
		char *profile;
	} bfd_config;
	struct ldp_sync_info *ldp_sync_info;
	bool lfa_protection[ISIS_LEVELS];
	bool rlfa_protection[ISIS_LEVELS];
	uint32_t rlfa_max_metric[ISIS_LEVELS];
	struct hash *lfa_excluded_ifaces[ISIS_LEVELS];
	bool tilfa_protection[ISIS_LEVELS];
	bool tilfa_node_protection[ISIS_LEVELS];
	bool tilfa_link_fallback[ISIS_LEVELS];
	/*
	 * Counters as in 10589--11.2.5.9
	 */
	uint32_t adj_state_changes; /* changesInAdjacencyState */
	uint32_t init_failures;     /* intialisationFailures */
	uint32_t ctrl_pdus_rxed;    /* controlPDUsReceived */
	uint32_t ctrl_pdus_txed;    /* controlPDUsSent */
	uint32_t desig_changes[ISIS_LEVELS]; /* lanLxDesignatedIntermediateSystemChanges
					      */
	uint32_t rej_adjacencies; /* rejectedAdjacencies */
	/*
	 * Counters as in ietf-isis@2019-09-09.yang
	 */
	uint32_t id_len_mismatches; /* id-len-mismatch */
	uint32_t max_area_addr_mismatches; /* max-area-addresses-mismatch */
	uint32_t auth_type_failures; /*authentication-type-fails */
	uint32_t auth_failures; /* authentication-fails */

	uint32_t snmp_id; /* Circuit id in snmp */

	uint32_t snmp_adj_idx_gen; /* Create unique id for adjacency on creation
				    */
	struct list *snmp_adj_list; /* List in id order */

	QOBJ_FIELDS;
};
DECLARE_QOBJ_TYPE(isis_circuit);

void isis_circuit_init(void);
struct isis_circuit *isis_circuit_new(struct interface *ifp, const char *tag);
void isis_circuit_del(struct isis_circuit *circuit);
struct isis_circuit *circuit_scan_by_ifp(struct interface *ifp);
void isis_circuit_configure(struct isis_circuit *circuit,
			    struct isis_area *area);
void isis_circuit_deconfigure(struct isis_circuit *circuit,
			      struct isis_area *area);
void isis_circuit_if_add(struct isis_circuit *circuit, struct interface *ifp);
void isis_circuit_if_del(struct isis_circuit *circuit, struct interface *ifp);
void isis_circuit_if_bind(struct isis_circuit *circuit, struct interface *ifp);
void isis_circuit_if_unbind(struct isis_circuit *circuit,
			    struct interface *ifp);
void isis_circuit_add_addr(struct isis_circuit *circuit,
			   struct connected *conn);
void isis_circuit_del_addr(struct isis_circuit *circuit,
			   struct connected *conn);
void isis_circuit_prepare(struct isis_circuit *circuit);
int isis_circuit_up(struct isis_circuit *circuit);
void isis_circuit_down(struct isis_circuit *);
void circuit_update_nlpids(struct isis_circuit *circuit);
void isis_circuit_print_vty(struct isis_circuit *circuit, struct vty *vty,
			    char detail);
void isis_circuit_print_json(struct isis_circuit *circuit,
			     struct json_object *json, char detail);
size_t isis_circuit_pdu_size(struct isis_circuit *circuit);
void isis_circuit_switchover_routes(struct isis_circuit *circuit, int family,
				    union g_addr *nexthop_ip,
				    ifindex_t ifindex);
void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream);

void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router,
			 bool ipv6_router);
ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive);
void isis_circuit_is_type_set(struct isis_circuit *circuit, int is_type);
void isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type);

ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level,
			       int metric);

ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit);
ferr_r isis_circuit_passwd_set(struct isis_circuit *circuit,
			       uint8_t passwd_type, const char *passwd);
ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
					 const char *passwd);
ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
					const char *passwd);

int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid,
				bool enabled);

#ifdef FABRICD
DECLARE_HOOK(isis_circuit_config_write,
	    (struct isis_circuit *circuit, struct vty *vty),
	    (circuit, vty));
#endif

DECLARE_HOOK(isis_circuit_add_addr_hook, (struct isis_circuit *circuit),
	     (circuit));

DECLARE_HOOK(isis_circuit_new_hook, (struct isis_circuit *circuit), (circuit));
DECLARE_HOOK(isis_circuit_del_hook, (struct isis_circuit *circuit), (circuit));

#endif /* _ZEBRA_ISIS_CIRCUIT_H */
Commit	Line	Data
acddc0ed	1	// SPDX-License-Identifier: GPL-2.0-or-later
eb5d44eb	2	/*
	3	* IS-IS Rout(e)ing protocol - isis_circuit.h
	4	*
	5	* Copyright (C) 2001,2002 Sampo Saaristo
d62a17ae	6	* Tampere University of Technology
eb5d44eb	7	* Institute of Communications Engineering
eb5d44eb	8	*/
	9
	10	#ifndef ISIS_CIRCUIT_H
	11	#define ISIS_CIRCUIT_H
	12
91283e76	13	#include "vty.h"
65f9a9a8	14	#include "if.h"
676a4ea3	15	#include "qobj.h"
d1be6968	16	#include "prefix.h"
64dd3ffe	17	#include "ferr.h"
694fa867	18	#include "nexthop.h"
65f9a9a8 DL	19
	20	#include "isis_constants.h"
	21	#include "isis_common.h"
61cd5761	22	#include "isis_csm.h"
91283e76	23
ef7bd2a3 DS	24	DECLARE_HOOK(isis_if_new_hook, (struct interface *ifp), (ifp));
ef7bd2a3 DS	25
58e16237 CF	26	struct isis_lsp;
58e16237 CF	27
d62a17ae	28	struct password {
	29	struct password *next;
	30	int len;
d7c0a89a	31	uint8_t *pass;
eb5d44eb	32	};
eb5d44eb	33
d62a17ae	34	struct metric {
d7c0a89a QY	35	uint8_t metric_default;
	36	uint8_t metric_error;
	37	uint8_t metric_expense;
	38	uint8_t metric_delay;
eb5d44eb	39	};
eb5d44eb	40
d62a17ae	41	struct isis_bcast_info {
981cc629 RW	42	uint8_t snpa[ETH_ALEN]; /* SNPA of this circuit */
981cc629 RW	43	char run_dr_elect[ISIS_LEVELS]; /* Should we run dr election ? */
e6685141 DS	44	struct event t_run_dr[ISIS_LEVELS]; / DR election thread */
	45	struct event t_send_lan_hello[ISIS_LEVELS]; / send LAN IIHs in this
	46	thread */
981cc629 RW	47	struct list adjdb[ISIS_LEVELS]; / adjacency dbs */
	48	struct list lan_neighs[ISIS_LEVELS]; / list of lx neigh snpa */
	49	char is_dr[ISIS_LEVELS]; /* Are we level x DR ? */
d7c0a89a QY	50	uint8_t l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */
d7c0a89a QY	51	uint8_t l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */
e6685141	52	struct event t_refresh_pseudo_lsp[ISIS_LEVELS]; / refresh pseudo-node
981cc629	53	LSPs */
eb5d44eb	54	};
eb5d44eb	55
d62a17ae	56	struct isis_p2p_info {
d62a17ae	57	struct isis_adjacency *neighbor;
e6685141	58	struct event t_send_p2p_hello; / send P2P IIHs in this thread */
eb5d44eb	59	};
eb5d44eb	60
7da4aa3c CF	61	struct isis_circuit_arg {
	62	int level;
	63	struct isis_circuit *circuit;
	64	};
	65
e36ec6ac DO	66	/*
	67	* Hello padding types
	68	*/
	69	enum isis_hello_padding {
	70	ISIS_HELLO_PADDING_ALWAYS,
	71	ISIS_HELLO_PADDING_DISABLED,
06fbbf29	72	ISIS_HELLO_PADDING_DURING_ADJACENCY_FORMATION
e36ec6ac DO	73	};
e36ec6ac DO	74
d62a17ae	75	struct isis_circuit {
61cd5761	76	enum isis_circuit_state state;
d7c0a89a	77	uint8_t circuit_id; /* l1/l2 bcast CircuitID */
1ee746d9	78	time_t last_uptime;
0bcdb96b	79	struct isis *isis;
d62a17ae	80	struct isis_area area; / back pointer to the area */
	81	struct interface interface; / interface info from z */
	82	int fd; /* IS-IS l1/2 socket */
	83	int sap_length; /* SAP length for DLPI */
	84	struct nlpids nlpids;
	85	/*
	86	* Threads
	87	*/
e6685141 DS	88	struct event *t_read;
	89	struct event *t_send_csnp[ISIS_LEVELS];
	90	struct event *t_send_psnp[ISIS_LEVELS];
9b39405f	91	struct isis_tx_queue *tx_queue;
981cc629 RW	92	struct isis_circuit_arg
981cc629 RW	93	level_arg[ISIS_LEVELS]; /* used as argument for threads */
9b39405f	94
d62a17ae	95	/* there is no real point in two streams, just for programming kicker */
d7c0a89a	96	int (rx)(struct isis_circuit circuit, uint8_t *ssnpa);
d62a17ae	97	struct stream rcv_stream; / Stream for receiving */
	98	int (tx)(struct isis_circuit circuit, int level);
	99	struct stream snd_stream; / Stream for sending */
	100	int idx; /* idx in S[RM\|SN] flags */
3f045a08 JB	101	#define CIRCUIT_T_UNKNOWN 0
	102	#define CIRCUIT_T_BROADCAST 1
	103	#define CIRCUIT_T_P2P 2
	104	#define CIRCUIT_T_LOOPBACK 3
d62a17ae	105	int circ_type; /* type of the physical interface */
	106	int circ_type_config; /* config type of the physical interface */
	107	union {
	108	struct isis_bcast_info bc;
	109	struct isis_p2p_info p2p;
	110	} u;
981cc629	111	uint8_t priority[ISIS_LEVELS]; /* l1/2 IS configured priority */
e36ec6ac	112	enum isis_hello_padding pad_hellos; /* type of Hello PDUs padding */
d62a17ae	113	char ext_domain; /* externalDomain (boolean) */
d62a17ae	114	int lsp_regenerate_pending[ISIS_LEVELS];
1ee746d9	115	uint64_t lsp_error_counter;
1ee746d9	116
d62a17ae	117	/*
	118	* Configurables
	119	*/
bcf22081	120	char tag; / area tag */
d62a17ae	121	struct isis_passwd passwd; /* Circuit rx/tx password */
2f9a06f0	122	int is_type_config; /* configured circuit is type */
d62a17ae	123	int is_type; /* circuit is type == level of circuit
d62a17ae	124	* differentiated from circuit type (media) */
981cc629 RW	125	uint32_t hello_interval[ISIS_LEVELS]; /* hello-interval in seconds */
	126	uint16_t hello_multiplier[ISIS_LEVELS]; /* hello-multiplier */
	127	uint16_t csnp_interval[ISIS_LEVELS]; /* csnp-interval in seconds */
	128	uint16_t psnp_interval[ISIS_LEVELS]; /* psnp-interval in seconds */
	129	uint8_t metric[ISIS_LEVELS];
	130	uint32_t te_metric[ISIS_LEVELS];
1b3f47d0	131	struct isis_ext_subtlvs ext; / Extended parameters (TE + Adj SID */
d62a17ae	132	int ip_router; /* Route IP ? */
	133	int is_passive; /* Is Passive ? */
	134	struct list mt_settings; / IS-IS MT Settings */
	135	struct list ip_addrs; / our IP addresses */
	136	int ipv6_router; /* Route IPv6 ? */
	137	struct list ipv6_link; / our link local IPv6 addresses */
	138	struct list ipv6_non_link; / our non-link local IPv6 addresses */
981cc629	139	uint16_t upadjcount[ISIS_LEVELS];
3f045a08	140	#define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01
4e689dcd	141	#define ISIS_CIRCUIT_IF_DOWN_FROM_Z 0x02
d7c0a89a	142	uint8_t flags;
58e5d748	143	bool disable_threeway_adj;
13bf3830 IR	144	struct {
	145	bool enabled;
	146	char *profile;
	147	} bfd_config;
1cbf96a8	148	struct ldp_sync_info *ldp_sync_info;
e886416f	149	bool lfa_protection[ISIS_LEVELS];
16fe8cff RW	150	bool rlfa_protection[ISIS_LEVELS];
16fe8cff RW	151	uint32_t rlfa_max_metric[ISIS_LEVELS];
e886416f	152	struct hash *lfa_excluded_ifaces[ISIS_LEVELS];
c951ee6e RW	153	bool tilfa_protection[ISIS_LEVELS];
c951ee6e RW	154	bool tilfa_node_protection[ISIS_LEVELS];
ce4eccfa	155	bool tilfa_link_fallback[ISIS_LEVELS];
d62a17ae	156	/*
	157	* Counters as in 10589--11.2.5.9
	158	*/
d7c0a89a QY	159	uint32_t adj_state_changes; /* changesInAdjacencyState */
	160	uint32_t init_failures; /* intialisationFailures */
	161	uint32_t ctrl_pdus_rxed; /* controlPDUsReceived */
	162	uint32_t ctrl_pdus_txed; /* controlPDUsSent */
981cc629 RW	163	uint32_t desig_changes[ISIS_LEVELS]; /* lanLxDesignatedIntermediateSystemChanges
981cc629 RW	164	*/
d7c0a89a	165	uint32_t rej_adjacencies; /* rejectedAdjacencies */
c32496ee RW	166	/*
	167	* Counters as in ietf-isis@2019-09-09.yang
	168	*/
	169	uint32_t id_len_mismatches; /* id-len-mismatch */
	170	uint32_t max_area_addr_mismatches; /* max-area-addresses-mismatch */
	171	uint32_t auth_type_failures; /authentication-type-fails /
	172	uint32_t auth_failures; /* authentication-fails */
d62a17ae	173
1ee746d9	174	uint32_t snmp_id; /* Circuit id in snmp */
	175
	176	uint32_t snmp_adj_idx_gen; /* Create unique id for adjacency on creation
	177	*/
	178	struct list snmp_adj_list; / List in id order */
	179
96244aca	180	QOBJ_FIELDS;
eb5d44eb	181	};
96244aca	182	DECLARE_QOBJ_TYPE(isis_circuit);
eb5d44eb	183
d62a17ae	184	void isis_circuit_init(void);
bcf22081	185	struct isis_circuit isis_circuit_new(struct interface ifp, const char *tag);
d62a17ae	186	void isis_circuit_del(struct isis_circuit *circuit);
d62a17ae	187	struct isis_circuit circuit_scan_by_ifp(struct interface ifp);
	188	void isis_circuit_configure(struct isis_circuit *circuit,
	189	struct isis_area *area);
	190	void isis_circuit_deconfigure(struct isis_circuit *circuit,
	191	struct isis_area *area);
	192	void isis_circuit_if_add(struct isis_circuit circuit, struct interface ifp);
	193	void isis_circuit_if_del(struct isis_circuit circuit, struct interface ifp);
	194	void isis_circuit_if_bind(struct isis_circuit circuit, struct interface ifp);
	195	void isis_circuit_if_unbind(struct isis_circuit *circuit,
	196	struct interface *ifp);
	197	void isis_circuit_add_addr(struct isis_circuit *circuit,
	198	struct connected *conn);
	199	void isis_circuit_del_addr(struct isis_circuit *circuit,
	200	struct connected *conn);
	201	void isis_circuit_prepare(struct isis_circuit *circuit);
	202	int isis_circuit_up(struct isis_circuit *circuit);
	203	void isis_circuit_down(struct isis_circuit *);
	204	void circuit_update_nlpids(struct isis_circuit *circuit);
	205	void isis_circuit_print_vty(struct isis_circuit circuit, struct vty vty,
	206	char detail);
9fee4d4c JG	207	void isis_circuit_print_json(struct isis_circuit *circuit,
9fee4d4c JG	208	struct json_object *json, char detail);
b20ccb3a	209	size_t isis_circuit_pdu_size(struct isis_circuit *circuit);
694fa867 LS	210	void isis_circuit_switchover_routes(struct isis_circuit *circuit, int family,
	211	union g_addr *nexthop_ip,
	212	ifindex_t ifindex);
b20ccb3a	213	void isis_circuit_stream(struct isis_circuit circuit, struct stream *stream);
3f045a08	214
d62a17ae	215	void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router,
d62a17ae	216	bool ipv6_router);
64dd3ffe	217	ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive);
d62a17ae	218	void isis_circuit_is_type_set(struct isis_circuit *circuit, int is_type);
d0820765	219	void isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type);
d62a17ae	220
64dd3ffe DL	221	ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level,
64dd3ffe DL	222	int metric);
d62a17ae	223
64dd3ffe	224	ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit);
e28544ed QY	225	ferr_r isis_circuit_passwd_set(struct isis_circuit *circuit,
e28544ed QY	226	uint8_t passwd_type, const char *passwd);
64dd3ffe DL	227	ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
	228	const char *passwd);
	229	ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
	230	const char *passwd);
d62a17ae	231
	232	int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid,
	233	bool enabled);
064f4896	234
05e4ec37	235	#ifdef FABRICD
d56afe53 CF	236	DECLARE_HOOK(isis_circuit_config_write,
d56afe53 CF	237	(struct isis_circuit circuit, struct vty vty),
8451921b	238	(circuit, vty));
05e4ec37	239	#endif
d56afe53	240
2bec0447	241	DECLARE_HOOK(isis_circuit_add_addr_hook, (struct isis_circuit *circuit),
8451921b	242	(circuit));
2bec0447	243
e2b5b7d6 IR	244	DECLARE_HOOK(isis_circuit_new_hook, (struct isis_circuit *circuit), (circuit));
	245	DECLARE_HOOK(isis_circuit_del_hook, (struct isis_circuit *circuit), (circuit));
	246
eb5d44eb	247	#endif /* _ZEBRA_ISIS_CIRCUIT_H */