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/*-
 * Copyright (c) 2004 INRIA
 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
 * 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,
    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * 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 NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
 *
 * $FreeBSD: release/9.1.0/sys/dev/ath/ath_rate/amrr/amrr.h 178354 2008-04-20 20:35:46Z sam $
 */

#ifndef _DEV_ATH_RATE_AMRR_H
#define _DEV_ATH_RATE_AMRR_H

/* per-device state */
struct amrr_softc {
	struct ath_ratectrl arc;	/* base state */
};

/* per-node state */
struct amrr_node {
	int		amn_rix;	/* current rate index */
	int		amn_ticks;	/* time of last update */
	int		amn_interval;	/* update interval (ticks) */
  	/* AMRR statistics for this node */
  	u_int           amn_tx_try0_cnt;
  	u_int           amn_tx_try1_cnt;
  	u_int           amn_tx_try2_cnt;
  	u_int           amn_tx_try3_cnt;
  	u_int           amn_tx_failure_cnt; 
        /* AMRR algorithm state for this node */
  	u_int           amn_success_threshold;
  	u_int           amn_success;
  	u_int           amn_recovery;
	/* rate index et al. */
	u_int8_t	amn_tx_rix0;	/* series 0 rate index */
	u_int8_t	amn_tx_rate0;	/* series 0 h/w rate */
	u_int8_t	amn_tx_rate1;	/* series 1 h/w rate */
	u_int8_t	amn_tx_rate2;	/* series 2 h/w rate */
	u_int8_t	amn_tx_rate3;	/* series 3 h/w rate */
	u_int8_t	amn_tx_rate0sp;	/* series 0 short preamble h/w rate */
	u_int8_t	amn_tx_rate1sp;	/* series 1 short preamble h/w rate */
	u_int8_t	amn_tx_rate2sp;	/* series 2 short preamble h/w rate */
	u_int8_t	amn_tx_rate3sp;	/* series 3 short preamble h/w rate */
	u_int8_t	amn_tx_try0;	/* series 0 try count */
  	u_int           amn_tx_try1;    /* series 1 try count */
  	u_int           amn_tx_try2;    /* series 2 try count */
  	u_int           amn_tx_try3;    /* series 3 try count */
};
#define	ATH_NODE_AMRR(an)	((struct amrr_node *)&an[1])
#endif /* _DEV_ATH_RATE_AMRR_H */