/*

 * Soft:        Keepalived is a failover program for the LVS project

 *              <www.linuxvirtualserver.org>. It monitor & manipulate

 *              a loadbalanced server pool using multi-layer checks.

 *

 * Part:        vrrp_arp.c include file.

 *

 * Author:      Alexandre Cassen, <acassen@linux-vs.org>

 *

 *              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.

 *

 *              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.

 *

 * Copyright (C) 2001-2017 Alexandre Cassen, <acassen@gmail.com>

 */

#ifndef _VRRP_ARP_H

#define _VRRP_ARP_H

/* system includes */

#include <sys/types.h>

#include <linux/if_infiniband.h>

/* local includes */

#include "vrrp.h"

#include "vrrp_if.h"

#include "vrrp_ipaddress.h"

typedef struct inf_arphdr {

	unsigned short int ar_hrd;

	unsigned short int ar_pro;

	unsigned char      ar_hln;

	unsigned char      ar_pln;

	unsigned short int ar_op;

	/* Infiniband arp looks like this */

	unsigned char     __ar_sha[INFINIBAND_ALEN];

	unsigned char     __ar_sip[4];

	unsigned char     __ar_tha[INFINIBAND_ALEN];

	unsigned char     __ar_tip[4];

} inf_arphdr_t;

typedef struct ipoib_hdr {

	u_int16_t proto;

	u_int16_t reserved;

} ipoib_hdr_t;

/* prototypes */

extern void gratuitous_arp_init(void);

extern void gratuitous_arp_close(void);

extern void send_gratuitous_arp(vrrp_t *, ip_address_t *);

extern ssize_t send_gratuitous_arp_immediate(interface_t *, ip_address_t *);

#endif