/*
* Copyright (c) 2021 Jiri Svoboda
* Copyright (c) 2013 Antonin Steinhauser
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup ethip
* @{
*/
/**
* @file
* @brief
*/
#ifndef NDP_H_
#define NDP_H_
#include <inet/addr.h>
#include <inet/eth_addr.h>
#include "inetsrv.h"
#include "icmpv6_std.h"
typedef enum icmpv6_type ndp_opcode_t;
/** NDP packet (for 48-bit MAC addresses)
*
* Internal representation
*/
typedef struct {
/** Opcode */
ndp_opcode_t opcode;
/** Sender hardware address */
eth_addr_t sender_hw_addr;
/** Sender protocol address */
addr128_t sender_proto_addr;
/** Target hardware address */
eth_addr_t target_hw_addr;
/** Target protocol address */
addr128_t target_proto_addr;
/** Solicited IPv6 address */
addr128_t solicited_ip;
} ndp_packet_t;
extern errno_t ndp_received(inet_dgram_t *);
extern errno_t ndp_translate(addr128_t, addr128_t, eth_addr_t *, inet_link_t *);
#endif