src/dhcpv6.h

/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * Definitions and prototypes for SLIRP stateless DHCPv6
 *
 * Copyright 2016 Thomas Huth, Red Hat Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer.
 *
 * 2. 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.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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
 * COPYRIGHT HOLDER OR CONTRIBUTORS 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.
 */
#ifndef SLIRP_DHCPV6_H
#define SLIRP_DHCPV6_H

#define DHCPV6_SERVER_PORT 547

#define ALLDHCP_MULTICAST \
    {                     \
        .s6_addr = {      \
            0xff,         \
            0x02,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x00,         \
            0x01,         \
            0x00,         \
            0x02          \
        }                 \
    }

#define in6_dhcp_multicast(a) in6_equal(a, &(struct in6_addr)ALLDHCP_MULTICAST)

/* Process a DHCPv6 packet from the guest */
void dhcpv6_input(struct sockaddr_in6 *srcsas, struct mbuf *m);

#endif