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https://github.com/proski/madwifi
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5702465321
git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3978 0192ed92-7a03-0410-a25b-9323aeb14dbd
105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/*
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* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
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* Copyright (c) 2002-2006 Atheros Communications, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: ar5211_phy.c,v 1.3 2008/11/10 01:19:37 sam Exp $
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*/
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#include "opt_ah.h"
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#include "ah.h"
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#include "ah_internal.h"
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#include "ar5211/ar5211.h"
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/* shorthands to compact tables for readability */
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#define OFDM IEEE80211_T_OFDM
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#define CCK IEEE80211_T_CCK
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#define TURBO IEEE80211_T_TURBO
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HAL_RATE_TABLE ar5211_11a_table = {
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8, /* number of rates */
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{ 0 },
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{
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/* short ctrl */
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/* valid rateCode Preamble dot11Rate Rate */
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/* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 },
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/* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 },
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/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 },
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/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 },
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/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 },
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/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 },
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/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 },
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/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 }
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},
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};
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HAL_RATE_TABLE ar5211_turbo_table = {
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8, /* number of rates */
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{ 0 },
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{
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/* short ctrl */
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/* valid rateCode Preamble dot11Rate Rate */
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/* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0 },
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/* 9 Mb */ { AH_TRUE, TURBO, 9000, 0x0f, 0x00, 18, 0 },
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/* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2 },
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/* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2 },
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/* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 4 },
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/* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 4 },
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/* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 4 },
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/* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 4 }
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},
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};
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HAL_RATE_TABLE ar5211_11b_table = {
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4, /* number of rates */
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{ 0 },
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{
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/* short ctrl */
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/* valid rateCode Preamble dot11Rate Rate */
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/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x0b, 0x00, (0x80| 2), 0 },
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/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x0a, 0x04, (0x80| 4), 1 },
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/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x09, 0x04, (0x80|11), 1 },
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/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x08, 0x04, (0x80|22), 1 }
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},
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};
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#undef OFDM
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#undef CCK
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#undef TURBO
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const HAL_RATE_TABLE *
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ar5211GetRateTable(struct ath_hal *ah, u_int mode)
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{
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HAL_RATE_TABLE *rt;
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switch (mode) {
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case HAL_MODE_11A:
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rt = &ar5211_11a_table;
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break;
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case HAL_MODE_11B:
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rt = &ar5211_11b_table;
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break;
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case HAL_MODE_TURBO:
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rt = &ar5211_turbo_table;
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break;
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default:
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
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__func__, mode);
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return AH_NULL;
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}
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ath_hal_setupratetable(ah, rt);
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return rt;
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}
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