/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * All rights reserved.
 *
 * 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.
 *
 * 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.
 */

#pragma once

#include <sys/cdefs.h>
#include <sys/socket.h>

__BEGIN_DECLS

struct ifreq {
#define IFNAMSIZ 16
    char ifr_name[IFNAMSIZ];
    union {
        struct sockaddr ifru_addr;
        struct sockaddr ifru_dstaddr;
        struct sockaddr ifru_broadaddr;
        struct sockaddr ifru_netmask;
        struct sockaddr ifru_hwaddr;
        short ifru_flags;
        int ifru_metric;
        int64_t ifru_vnetid;
        uint64_t ifru_media;
        void* ifru_data;
        unsigned int ifru_index;
    } ifr_ifru;

    // clang-format off
#define ifr_addr ifr_ifru.ifru_addr           // address
#define ifr_dstaddr ifr_ifru.ifru_dstaddr     // other end of p-to-p link
#define ifr_broadaddr ifr_ifru.ifru_broadaddr // broadcast address
#define ifr_netmask ifr_ifru.ifru_netmask     // network mask
#define ifr_flags ifr_ifru.ifru_flags         // flags
#define ifr_metric ifr_ifru.ifru_metric       // metric
#define ifr_mtu ifr_ifru.ifru_metric          // mtu (overload)
#define ifr_hardmtu ifr_ifru.ifru_metric      // hardmtu (overload)
#define ifr_media ifr_ifru.ifru_media         // media options
#define ifr_rdomainid ifr_ifru.ifru_metric    // VRF instance (overload)
#define ifr_vnetid ifr_ifru.ifru_vnetid       // Virtual Net Id
#define ifr_ttl ifr_ifru.ifru_metric          // tunnel TTL (overload)
#define ifr_data ifr_ifru.ifru_data           // for use by interface
#define ifr_index ifr_ifru.ifru_index         // interface index
#define ifr_llprio ifr_ifru.ifru_metric       // link layer priority
#define ifr_hwaddr ifr_ifru.ifru_hwaddr       // MAC address
    // clang-format on
};

__END_DECLS