[mirror_frr.git] / vrrpd / vrrp_ndisc.h

/*
 * VRRP Neighbor Discovery.
 * Copyright (C) 2019 Cumulus Networks, Inc.
 * Quentin Young
 *
 * This program 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 of the License, or (at your option)
 * any later version.
 *
 * This program 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 __VRRP_NDISC_H__
#define __VRRP_NDISC_H__

#include <netinet/icmp6.h>
#include <netinet/in.h>
#include <netinet/ip6.h>

#include "vrrp.h"

/*
 * Initialize VRRP neighbor discovery.
 */
extern void vrrp_ndisc_init(void);

/*
 * Check whether VRRP Neighbor Discovery is initialized.
 *
 * Returns:
 *    True if initialized, false otherwise
 */
extern bool vrrp_ndisc_is_init(void);

/*
 * Finish VRRP Neighbor Discovery.
 */
extern void vrrp_ndisc_fini(void);

/*
 * Send VRRP Neighbor Advertisement.
 *
 * ifp
 *    Interface to transmit on
 *
 * ip
 *    IPv6 address to send Neighbor Advertisement for
 *
 * Returns:
 *    -1 on failure
 *     0 otherwise
 */
extern int vrrp_ndisc_una_send(struct vrrp_router *r, struct ipaddr *ip);

/*
 * Send VRRP Neighbor Advertisements for all virtual IPs.
 *
 * r
 *    Virtual Router to send NA's for
 *
 * Returns:
 *    -1 on failure
 *     0 otherwise
 */
extern int vrrp_ndisc_una_send_all(struct vrrp_router *r);

#endif /* __VRRP_NDISC_H__ */
Commit	Line	Data
4f52e9a6 QY	1	/*
	2	* VRRP Neighbor Discovery.
	3	* Copyright (C) 2019 Cumulus Networks, Inc.
63d4bd12	4	* Quentin Young
4f52e9a6 QY	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the Free
	8	* Software Foundation; either version 2 of the License, or (at your option)
	9	* any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful, but WITHOUT
	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	* more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along with
	17	* this program; see the file COPYING; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
63d4bd12 QY	20	#ifndef __VRRP_NDISC_H__
63d4bd12 QY	21	#define __VRRP_NDISC_H__
4f52e9a6 QY	22
	23	#include <netinet/icmp6.h>
	24	#include <netinet/in.h>
	25	#include <netinet/ip6.h>
	26
	27	#include "vrrp.h"
	28
	29	/*
	30	* Initialize VRRP neighbor discovery.
	31	*/
	32	extern void vrrp_ndisc_init(void);
	33
	34	/*
	35	* Check whether VRRP Neighbor Discovery is initialized.
	36	*
	37	* Returns:
	38	* True if initialized, false otherwise
	39	*/
	40	extern bool vrrp_ndisc_is_init(void);
	41
	42	/*
	43	* Finish VRRP Neighbor Discovery.
	44	*/
	45	extern void vrrp_ndisc_fini(void);
	46
	47	/*
	48	* Send VRRP Neighbor Advertisement.
	49	*
	50	* ifp
	51	* Interface to transmit on
	52	*
	53	* ip
	54	* IPv6 address to send Neighbor Advertisement for
	55	*
	56	* Returns:
	57	* -1 on failure
	58	* 0 otherwise
	59	*/
	60	extern int vrrp_ndisc_una_send(struct vrrp_router r, struct ipaddr ip);
	61
	62	/*
	63	* Send VRRP Neighbor Advertisements for all virtual IPs.
	64	*
	65	* r
	66	* Virtual Router to send NA's for
	67	*
	68	* Returns:
	69	* -1 on failure
	70	* 0 otherwise
	71	*/
	72	extern int vrrp_ndisc_una_send_all(struct vrrp_router *r);
	73
63d4bd12	74	#endif /* __VRRP_NDISC_H__ */