/***
 *
 *  include/tdma_chrdev.h
 *
 *  RTmac - real-time networking media access control subsystem
 *  Copyright (C) 2002      Marc Kleine-Budde <kleine-budde@gmx.de>,
 *                2003-2005 Jan Kiszka <Jan.Kiszka@web.de>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __TDMA_CHRDEV_H_
#define __TDMA_CHRDEV_H_

#ifndef __KERNEL__
#include <inttypes.h>
#endif

#include <rtnet_chrdev.h>

#define MIN_SLOT_SIZE 60

struct tdma_config {
	struct rtnet_ioctl_head head;

	union {
		struct {
			__u64 cycle_period;
			__u64 backup_sync_offset;
			__u32 cal_rounds;
			__u32 max_cal_requests;
			__u32 max_slot_id;
		} master;

		struct {
			__u32 cal_rounds;
			__u32 max_slot_id;
		} slave;

		struct {
			__s32 id;
			__u32 period;
			__u64 offset;
			__u32 phasing;
			__u32 size;
			__s32 joint_slot;
			__u32 cal_timeout;
			__u64 *cal_results;
		} set_slot;

		struct {
			__s32 id;
		} remove_slot;

		__u64 __padding[8];
	} args;
};

#define TDMA_IOC_MASTER _IOW(RTNET_IOC_TYPE_RTMAC_TDMA, 0, struct tdma_config)
#define TDMA_IOC_SLAVE _IOW(RTNET_IOC_TYPE_RTMAC_TDMA, 1, struct tdma_config)
#define TDMA_IOC_CAL_RESULT_SIZE                                               \
	_IOW(RTNET_IOC_TYPE_RTMAC_TDMA, 2, struct tdma_config)
#define TDMA_IOC_SET_SLOT _IOW(RTNET_IOC_TYPE_RTMAC_TDMA, 3, struct tdma_config)
#define TDMA_IOC_REMOVE_SLOT                                                   \
	_IOW(RTNET_IOC_TYPE_RTMAC_TDMA, 4, struct tdma_config)
#define TDMA_IOC_DETACH _IOW(RTNET_IOC_TYPE_RTMAC_TDMA, 5, struct tdma_config)

#endif /* __TDMA_CHRDEV_H_ */