Home | History | Annotate | Line # | Download | only in ic
      1 /*	$NetBSD: athrate-amrr.h,v 1.2 2006/02/05 06:03:26 xtraeme Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2004 INRIA
      5  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer,
     13     without modification.
     14  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     15  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
     16  *    redistribution must be conditioned upon including a substantially
     17  *    similar Disclaimer requirement for further binary redistribution.
     18  * 3. Neither the names of the above-listed copyright holders nor the names
     19  *    of any contributors may be used to endorse or promote products derived
     20  *    from this software without specific prior written permission.
     21  *
     22  * Alternatively, this software may be distributed under the terms of the
     23  * GNU General Public License ("GPL") version 2 as published by the Free
     24  * Software Foundation.
     25  *
     26  * NO WARRANTY
     27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     29  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
     30  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
     31  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
     32  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     35  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     37  * THE POSSIBILITY OF SUCH DAMAGES.
     38  *
     39  * $FreeBSD: src/sys/dev/ath/ath_rate/amrr/amrr.h,v 1.2 2004/12/31 22:41:45 sam Exp $
     40  */
     41 
     42 #ifndef _DEV_ATH_RATE_AMRR_H
     43 #define _DEV_ATH_RATE_AMRR_H
     44 
     45 /* per-device state */
     46 struct amrr_softc {
     47 	struct ath_ratectrl arc;	/* base state */
     48 	struct callout timer;		/* periodic timer */
     49 };
     50 
     51 /* per-node state */
     52 struct amrr_node {
     53   	/* AMRR statistics for this node */
     54   	u_int           amn_tx_try0_cnt;
     55   	u_int           amn_tx_try1_cnt;
     56   	u_int           amn_tx_try2_cnt;
     57   	u_int           amn_tx_try3_cnt;
     58   	u_int           amn_tx_failure_cnt;
     59         /* AMRR algorithm state for this node */
     60   	u_int           amn_success_threshold;
     61   	u_int           amn_success;
     62   	u_int           amn_recovery;
     63 	/* rate index et al. */
     64 	u_int8_t	amn_tx_rix0;	/* series 0 rate index */
     65 	u_int8_t	amn_tx_rate0;	/* series 0 h/w rate */
     66 	u_int8_t	amn_tx_rate1;	/* series 1 h/w rate */
     67 	u_int8_t	amn_tx_rate2;	/* series 2 h/w rate */
     68 	u_int8_t	amn_tx_rate3;	/* series 3 h/w rate */
     69 	u_int8_t	amn_tx_rate0sp;	/* series 0 short preamble h/w rate */
     70 	u_int8_t	amn_tx_rate1sp;	/* series 1 short preamble h/w rate */
     71 	u_int8_t	amn_tx_rate2sp;	/* series 2 short preamble h/w rate */
     72 	u_int8_t	amn_tx_rate3sp;	/* series 3 short preamble h/w rate */
     73 	u_int8_t	amn_tx_try0;	/* series 0 try count */
     74   	u_int           amn_tx_try1;    /* series 1 try count */
     75   	u_int           amn_tx_try2;    /* series 2 try count */
     76   	u_int           amn_tx_try3;    /* series 3 try count */
     77 };
     78 #define	ATH_NODE_AMRR(an)	((struct amrr_node *)&an[1])
     79 #endif /* _DEV_ATH_RATE_AMRR_H */
     80