ar5210_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) 2002-2004 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 "ar5210/ar5210.h"
   27 
   28 /* shorthands to compact tables for readability */
   29 #define OFDM    IEEE80211_T_OFDM
   30 #define TURBO   IEEE80211_T_TURBO
   31 
   32 HAL_RATE_TABLE ar5210_11a_table = {
   33         8,  /* number of rates */
   34         { 0 },
   35         {
   36 /*                                                  short            ctrl  */
   37 /*                valid                 rateCode Preamble  dot11Rate Rate */
   38 /*   6 Mb */ {  AH_TRUE, OFDM,    6000,     0x0b,    0x00, (0x80|12),   0 },
   39 /*   9 Mb */ {  AH_TRUE, OFDM,    9000,     0x0f,    0x00,        18,   0 },
   40 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,     0x0a,    0x00, (0x80|24),   2 },
   41 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,     0x0e,    0x00,        36,   2 },
   42 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,     0x09,    0x00, (0x80|48),   4 },
   43 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,     0x0d,    0x00,        72,   4 },
   44 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,     0x08,    0x00,        96,   4 },
   45 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,     0x0c,    0x00,       108,   4 }
   46         },
   47 };
   48 
   49 HAL_RATE_TABLE ar5210_turbo_table = {
   50         8,  /* number of rates */
   51         { 0 },
   52         {
   53 /*                                                 short            ctrl  */
   54 /*                valid                rateCode Preamble  dot11Rate Rate */
   55 /*   6 Mb */ {  AH_TRUE, TURBO,  12000,    0x0b,    0x00, (0x80|12),   0 },
   56 /*   9 Mb */ {  AH_TRUE, TURBO,  18000,    0x0f,    0x00,        18,   0 },
   57 /*  12 Mb */ {  AH_TRUE, TURBO,  24000,    0x0a,    0x00, (0x80|24),   2 },
   58 /*  18 Mb */ {  AH_TRUE, TURBO,  36000,    0x0e,    0x00,        36,   2 },
   59 /*  24 Mb */ {  AH_TRUE, TURBO,  48000,    0x09,    0x00, (0x80|48),   4 },
   60 /*  36 Mb */ {  AH_TRUE, TURBO,  72000,    0x0d,    0x00,        72,   4 },
   61 /*  48 Mb */ {  AH_TRUE, TURBO,  96000,    0x08,    0x00,        96,   4 },
   62 /*  54 Mb */ {  AH_TRUE, TURBO, 108000,    0x0c,    0x00,       108,   4 }
   63         },
   64 };
   65 
   66 #undef  OFDM
   67 #undef  TURBO
   68 
   69 const HAL_RATE_TABLE *
   70 ar5210GetRateTable(struct ath_hal *ah, u_int mode)
   71 {
   72         HAL_RATE_TABLE *rt;
   73         switch (mode) {
   74         case HAL_MODE_11A:
   75                 rt = &ar5210_11a_table;
   76                 break;
   77         case HAL_MODE_TURBO:
   78                 rt =  &ar5210_turbo_table;
   79                 break;
   80         default:
   81                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
   82                     __func__, mode);
   83                 return AH_NULL;
   84         }
   85         ath_hal_setupratetable(ah, rt);
   86         return rt;
   87 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/ath_hal/ar5210/ar5210_phy.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar5210/ar5210_phy.c