/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_SYS_MAC_IMPL_H
#define	_SYS_MAC_IMPL_H

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

#include <sys/mac.h>
#include <net/if.h>

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * Statistics of class MAC_INTERFACE_STAT, maintained internally by the mac
 * module.
 */
enum mac_interface_stat {
	MAC_STAT_LINK_STATE,
	MAC_STAT_LINK_UP,
	MAC_STAT_PROMISC,

	MAC_INTERFACE_NSTAT		/* Must be the last entry */
};

typedef struct mac_multicst_addr_s	mac_multicst_addr_t;

struct mac_multicst_addr_s {
	mac_multicst_addr_t	*mma_nextp;
	uint_t			mma_ref;
	uint8_t			mma_addr[MAXMACADDRLEN];
};

typedef struct mac_notify_fn_s		mac_notify_fn_t;

struct mac_notify_fn_s {
	mac_notify_fn_t		*mnf_nextp;
	mac_notify_t		mnf_fn;
	void			*mnf_arg;
};

typedef struct mac_rx_fn_s		mac_rx_fn_t;

struct mac_rx_fn_s {
	mac_rx_fn_t		*mrf_nextp;
	mac_rx_t		mrf_fn;
	void			*mrf_arg;
};

typedef struct mac_txloop_fn_s		mac_txloop_fn_t;

struct mac_txloop_fn_s {
	mac_txloop_fn_t		*mtf_nextp;
	mac_txloop_t		mtf_fn;
	void			*mtf_arg;
};

typedef struct mactype_s {
	const char	*mt_ident;
	uint32_t	mt_ref;
	uint_t		mt_type;
	size_t		mt_addr_length;
	uint8_t		*mt_brdcst_addr;
	mactype_ops_t	mt_ops;
	mac_stat_info_t	*mt_stats;	/* array of mac_stat_info_t elements */
	size_t		mt_statcount;	/* number of elements in mt_stats */
} mactype_t;

/*
 * Each registered MAC is associated with a mac_t structure.
 */
typedef struct mac_impl_s {
	char			mi_name[LIFNAMSIZ];
	const char		*mi_drvname;
	uint_t			mi_instance;
	void			*mi_driver;	/* Driver private data */
	mac_info_t		mi_info;
	mactype_t		*mi_type;
	void			*mi_pdata;
	size_t			mi_pdata_size;
	mac_callbacks_t		*mi_callbacks;
	dev_info_t		*mi_dip;
	uint32_t		mi_ref;
	boolean_t		mi_disabled;
	krwlock_t		mi_state_lock;
	uint_t			mi_active;
	krwlock_t		mi_data_lock;
	link_state_t		mi_linkstate;
	uint_t			mi_promisc;
	uint_t			mi_devpromisc;
	uint8_t			mi_addr[MAXMACADDRLEN];
	uint8_t			mi_dstaddr[MAXMACADDRLEN];
	mac_multicst_addr_t	*mi_mmap;
	krwlock_t		mi_notify_lock;
	mac_notify_fn_t		*mi_mnfp;
	kmutex_t		mi_notify_ref_lock;
	uint32_t		mi_notify_ref;
	kcondvar_t		mi_notify_cv;
	krwlock_t		mi_rx_lock;
	mac_rx_fn_t		*mi_mrfp;
	krwlock_t		mi_txloop_lock;
	mac_txloop_fn_t		*mi_mtfp;
	krwlock_t		mi_resource_lock;
	mac_resource_add_t	mi_resource_add;
	void			*mi_resource_add_arg;
	kstat_t			*mi_ksp;
	uint_t			mi_kstat_count;
	kmutex_t		mi_activelink_lock;
	boolean_t		mi_activelink;
	mac_txinfo_t		mi_txinfo;
	mac_txinfo_t		mi_txloopinfo;
} mac_impl_t;

#define	mi_getstat	mi_callbacks->mc_getstat
#define	mi_start	mi_callbacks->mc_start
#define	mi_stop		mi_callbacks->mc_stop
#define	mi_setpromisc	mi_callbacks->mc_setpromisc
#define	mi_multicst	mi_callbacks->mc_multicst
#define	mi_unicst	mi_callbacks->mc_unicst
#define	mi_resources	mi_callbacks->mc_resources
#define	mi_tx		mi_callbacks->mc_tx
#define	mi_ioctl	mi_callbacks->mc_ioctl
#define	mi_getcapab	mi_callbacks->mc_getcapab

typedef struct mac_notify_task_arg {
	mac_impl_t		*mnt_mip;
	mac_notify_type_t	mnt_type;
} mac_notify_task_arg_t;

extern void	mac_init(void);
extern int	mac_fini(void);

extern void	mac_stat_create(mac_impl_t *);
extern void	mac_stat_destroy(mac_impl_t *);
extern uint64_t	mac_stat_default(mac_impl_t *, uint_t);

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_MAC_IMPL_H */