The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/athrate-amrr.h

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    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 */

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