ar5211_phy.c

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    1 /*-
    2  * SPDX-License-Identifier: ISC
    3  *
    4  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
    5  * Copyright (c) 2002-2006 Atheros Communications, Inc.
    6  *
    7  * Permission to use, copy, modify, and/or distribute this software for any
    8  * purpose with or without fee is hereby granted, provided that the above
    9  * copyright notice and this permission notice appear in all copies.
   10  *
   11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   18  *
   19  * $FreeBSD$
   20  */
   21 #include "opt_ah.h"
   22 
   23 #include "ah.h"
   24 #include "ah_internal.h"
   25 
   26 #include "ar5211/ar5211.h"
   27 
   28 /* shorthands to compact tables for readability */
   29 #define OFDM    IEEE80211_T_OFDM
   30 #define CCK     IEEE80211_T_CCK
   31 #define TURBO   IEEE80211_T_TURBO
   32 
   33 HAL_RATE_TABLE ar5211_11a_table = {
   34         8,  /* number of rates */
   35         { 0 },
   36         {
   37 /*                                                  short            ctrl  */
   38 /*                valid                 rateCode Preamble  dot11Rate Rate */
   39 /*   6 Mb */ {  AH_TRUE, OFDM,    6000,     0x0b,    0x00, (0x80|12),   0 },
   40 /*   9 Mb */ {  AH_TRUE, OFDM,    9000,     0x0f,    0x00,        18,   0 },
   41 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,     0x0a,    0x00, (0x80|24),   2 },
   42 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,     0x0e,    0x00,        36,   2 },
   43 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,     0x09,    0x00, (0x80|48),   4 },
   44 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,     0x0d,    0x00,        72,   4 },
   45 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,     0x08,    0x00,        96,   4 },
   46 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,     0x0c,    0x00,       108,   4 }
   47         },
   48 };
   49 
   50 HAL_RATE_TABLE ar5211_turbo_table = {
   51         8,  /* number of rates */
   52         { 0 },
   53         {
   54 /*                                                 short            ctrl  */
   55 /*                valid                rateCode Preamble  dot11Rate Rate */
   56 /*   6 Mb */ {  AH_TRUE, TURBO,  12000,    0x0b,    0x00, (0x80|12),   0 },
   57 /*   9 Mb */ {  AH_TRUE, TURBO,  18000,    0x0f,    0x00,        18,   0 },
   58 /*  12 Mb */ {  AH_TRUE, TURBO,  24000,    0x0a,    0x00, (0x80|24),   2 },
   59 /*  18 Mb */ {  AH_TRUE, TURBO,  36000,    0x0e,    0x00,        36,   2 },
   60 /*  24 Mb */ {  AH_TRUE, TURBO,  48000,    0x09,    0x00, (0x80|48),   4 },
   61 /*  36 Mb */ {  AH_TRUE, TURBO,  72000,    0x0d,    0x00,        72,   4 },
   62 /*  48 Mb */ {  AH_TRUE, TURBO,  96000,    0x08,    0x00,        96,   4 },
   63 /*  54 Mb */ {  AH_TRUE, TURBO, 108000,    0x0c,    0x00,       108,   4 }
   64         },
   65 };
   66 
   67 HAL_RATE_TABLE ar5211_11b_table = {
   68         4,  /* number of rates */
   69         { 0 },
   70         {
   71 /*                                                 short            ctrl  */
   72 /*                valid                rateCode Preamble  dot11Rate Rate */
   73 /*   1 Mb */ {  AH_TRUE,  CCK,    1000,    0x0b,    0x00, (0x80| 2),   0 },
   74 /*   2 Mb */ {  AH_TRUE,  CCK,    2000,    0x0a,    0x04, (0x80| 4),   1 },
   75 /* 5.5 Mb */ {  AH_TRUE,  CCK,    5500,    0x09,    0x04, (0x80|11),   1 },
   76 /*  11 Mb */ {  AH_TRUE,  CCK,   11000,    0x08,    0x04, (0x80|22),   1 }
   77         },
   78 };
   79 
   80 #undef  OFDM
   81 #undef  CCK
   82 #undef  TURBO
   83 
   84 const HAL_RATE_TABLE *
   85 ar5211GetRateTable(struct ath_hal *ah, u_int mode)
   86 {
   87         HAL_RATE_TABLE *rt;
   88         switch (mode) {
   89         case HAL_MODE_11A:
   90                 rt = &ar5211_11a_table;
   91                 break;
   92         case HAL_MODE_11B:
   93                 rt = &ar5211_11b_table;
   94                 break;
   95         case HAL_MODE_TURBO:
   96                 rt =  &ar5211_turbo_table;
   97                 break;
   98         default:
   99                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
  100                     __func__, mode);
  101                 return AH_NULL;
  102         }
  103         ath_hal_setupratetable(ah, rt);
  104         return rt;
  105 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/ath_hal/ar5211/ar5211_phy.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar5211/ar5211_phy.c