/*
 * Copyright 2006-2018 Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _NET_IF_DL_H
#define _NET_IF_DL_H


#include <stdint.h>


/* Link level sockaddr structure */
struct sockaddr_dl {
        uint8_t         sdl_len;                /* Total length of sockaddr */
        uint8_t         sdl_family;             /* AF_LINK */
        uint16_t        sdl_e_type;             /* link level frame type */
        uint32_t        sdl_index;              /* index for interface */
        uint8_t         sdl_type;               /* interface type */
        uint8_t         sdl_nlen;               /* interface name length (not terminated with a null byte) */
        uint8_t         sdl_alen;               /* link level address length */
        uint8_t         sdl_slen;               /* link layer selector length */
        uint8_t         sdl_data[46];   /* minimum work area, can be larger */
};

/* Macro to get a pointer to the link level address */
#define LLADDR(s)       ((uint8_t *)((s)->sdl_data + (s)->sdl_nlen))

#endif  /* _NET_IF_DL_H */