/*
* 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_ndisc.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_NDISC_H
#define _VRRP_NDISC_H
/* system includes */
#include <asm/byteorder.h>
#include <netinet/icmp6.h>
#include <netinet/in.h>
/* local includes */
#include "vrrp.h"
#include "vrrp_if.h"
#include "vrrp_ipaddress.h"
/* local definitions */
#define NDISC_HOPLIMIT 255
/*
* IPv6 Header
*/
struct ip6hdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
__u8 priority:4,
version:4;
#elif defined(__BIG_ENDIAN_BITFIELD)
__u8 version:4,
priority:4;
#else
#error "Please fix <asm/byteorder.h>"
#endif
__u8 flow_lbl[3];
__be16 payload_len;
__u8 nexthdr;
__u8 hop_limit;
struct in6_addr saddr;
struct in6_addr daddr;
};
/* prototypes */
extern void ndisc_init(void);
extern void ndisc_close(void);
extern void ndisc_send_unsolicited_na(vrrp_t *, ip_address_t *);
extern void ndisc_send_unsolicited_na_immediate(interface_t *, ip_address_t *);
#endif