sys/dev/ic/athrate-amrr.h

   1 /*      $NetBSD$ */
   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 */