/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2002-2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * mac_impl.h contains internal MAC layer independent definttions
 */

#ifndef _MAC_IMPL_H
#define _MAC_IMPL_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

extern boolean_t        initialized;    /* TRUE if network device initialized */
extern int      arp_index;      /* current arp table index */

struct mac_type {
        int             mac_type;       /* if_types.h */
        int             mac_dev;
        int             mac_mtu;
        caddr_t         mac_buf;        /* MTU sized buffer */
        uint8_t         *mac_addr_buf;
        uint32_t        mac_arp_timeout;
        uint32_t        mac_in_timeout;
        uint32_t        mac_in_timeo_incr;
        int             mac_addr_len;
        int             (*mac_arp)(struct in_addr *, void *, uint32_t);
        void            (*mac_rarp)(void);
        int             (*mac_header_len)(struct inetgram *);
        int             (*mac_input)(int);
        int             (*mac_output)(int, struct inetgram *);
};

#define ARP_TABLE_SIZE          (3)     /* size of ARP table */
#define HW_ADDR_SIZE            (128)   /* max size of hardware address */
#define MAC_IN_TIMEOUT          (10)    /* collect IP grams for X mseconds. */
#define MAC_IN_TIMEO_MULT       (8)     /* Multiplier to arrive at maximum */

/* format of an arp table entry */
struct  arptable {
        struct in_addr  ia;
        uchar_t         ha[HW_ADDR_SIZE];
        int             hl;
};

extern void     mac_set_arp(struct in_addr *, void *, int);
extern void     mac_socket_init(struct inetboot_socket *);

#ifdef  __cplusplus
}
#endif

#endif /* _MAC_IMPL_H */