1185377Ssam/* 2185377Ssam * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3185377Ssam * Copyright (c) 2002-2008 Atheros Communications, Inc. 4185377Ssam * 5185377Ssam * Permission to use, copy, modify, and/or distribute this software for any 6185377Ssam * purpose with or without fee is hereby granted, provided that the above 7185377Ssam * copyright notice and this permission notice appear in all copies. 8185377Ssam * 9185377Ssam * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10185377Ssam * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11185377Ssam * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12185377Ssam * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13185377Ssam * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14185377Ssam * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15185377Ssam * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16185377Ssam * 17188773Ssam * $FreeBSD$ 18185377Ssam */ 19185377Ssam#include "opt_ah.h" 20185377Ssam 21185377Ssam#include "ah.h" 22185377Ssam#include "ah_internal.h" 23185377Ssam 24185377Ssam#include "ar5212/ar5212.h" 25185377Ssam 26185377Ssam/* shorthands to compact tables for readability */ 27185377Ssam#define OFDM IEEE80211_T_OFDM 28185377Ssam#define CCK IEEE80211_T_CCK 29185377Ssam#define TURBO IEEE80211_T_TURBO 30188773Ssam#define HALF IEEE80211_T_OFDM_HALF 31188773Ssam#define QUART IEEE80211_T_OFDM_QUARTER 32185377Ssam 33185377SsamHAL_RATE_TABLE ar5212_11a_table = { 34185377Ssam 8, /* number of rates */ 35185377Ssam { 0 }, 36185377Ssam { 37185377Ssam/* short ctrl */ 38185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 39185377Ssam/* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, 40185377Ssam/* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, 41185377Ssam/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, 42185377Ssam/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, 43185377Ssam/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, 44185377Ssam/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, 45185377Ssam/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, 46185377Ssam/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } 47185377Ssam }, 48185377Ssam}; 49185377Ssam 50185380SsamHAL_RATE_TABLE ar5212_half_table = { 51185377Ssam 8, /* number of rates */ 52185377Ssam { 0 }, 53185377Ssam { 54185377Ssam/* short ctrl */ 55185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 56188773Ssam/* 3 Mb */ { AH_TRUE, HALF, 3000, 0x0b, 0x00, (0x80|6), 0 }, 57188773Ssam/* 4.5 Mb */ { AH_TRUE, HALF, 4500, 0x0f, 0x00, 9, 0 }, 58188773Ssam/* 6 Mb */ { AH_TRUE, HALF, 6000, 0x0a, 0x00, (0x80|12), 2 }, 59188773Ssam/* 9 Mb */ { AH_TRUE, HALF, 9000, 0x0e, 0x00, 18, 2 }, 60188773Ssam/* 12 Mb */ { AH_TRUE, HALF, 12000, 0x09, 0x00, (0x80|24), 4 }, 61188773Ssam/* 18 Mb */ { AH_TRUE, HALF, 18000, 0x0d, 0x00, 36, 4 }, 62188773Ssam/* 24 Mb */ { AH_TRUE, HALF, 24000, 0x08, 0x00, 48, 4 }, 63188773Ssam/* 27 Mb */ { AH_TRUE, HALF, 27000, 0x0c, 0x00, 54, 4 } 64185377Ssam }, 65185377Ssam}; 66185377Ssam 67185380SsamHAL_RATE_TABLE ar5212_quarter_table = { 68185377Ssam 8, /* number of rates */ 69185377Ssam { 0 }, 70185377Ssam { 71185377Ssam/* short ctrl */ 72185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 73188773Ssam/* 1.5 Mb */ { AH_TRUE, QUART, 1500, 0x0b, 0x00, (0x80|3), 0 }, 74188773Ssam/* 2 Mb */ { AH_TRUE, QUART, 2250, 0x0f, 0x00, 4, 0 }, 75188773Ssam/* 3 Mb */ { AH_TRUE, QUART, 3000, 0x0a, 0x00, (0x80|6), 2 }, 76188773Ssam/* 4.5 Mb */ { AH_TRUE, QUART, 4500, 0x0e, 0x00, 9, 2 }, 77188773Ssam/* 6 Mb */ { AH_TRUE, QUART, 6000, 0x09, 0x00, (0x80|12), 4 }, 78188773Ssam/* 9 Mb */ { AH_TRUE, QUART, 9000, 0x0d, 0x00, 18, 4 }, 79188773Ssam/* 12 Mb */ { AH_TRUE, QUART, 12000, 0x08, 0x00, 24, 4 }, 80188773Ssam/*13.5 Mb */ { AH_TRUE, QUART, 13500, 0x0c, 0x00, 27, 4 } 81185377Ssam }, 82185377Ssam}; 83185377Ssam 84185377SsamHAL_RATE_TABLE ar5212_turbog_table = { 85185377Ssam 7, /* number of rates */ 86185377Ssam { 0 }, 87185377Ssam { 88185377Ssam/* short ctrl */ 89185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 90191022Ssam/* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 91191022Ssam/* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 1 }, 92191022Ssam/* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 1 }, 93191022Ssam/* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 2 }, 94191022Ssam/* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 2 }, 95191022Ssam/* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 2 }, 96191022Ssam/* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 2 } 97185377Ssam }, 98185377Ssam}; 99185377Ssam 100185377SsamHAL_RATE_TABLE ar5212_turboa_table = { 101185377Ssam 8, /* number of rates */ 102185377Ssam { 0 }, 103185377Ssam { 104185377Ssam/* short ctrl */ 105185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 106191022Ssam/* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 107191022Ssam/* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 }, 108191022Ssam/* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 }, 109191022Ssam/* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 }, 110191022Ssam/* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 }, 111191022Ssam/* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 }, 112191022Ssam/* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 }, 113191022Ssam/* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 } 114185377Ssam }, 115185377Ssam}; 116185377Ssam 117185377SsamHAL_RATE_TABLE ar5212_11b_table = { 118185377Ssam 4, /* number of rates */ 119185377Ssam { 0 }, 120185377Ssam { 121185377Ssam/* short ctrl */ 122185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 123185377Ssam/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, 124185377Ssam/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, 125185377Ssam/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 1 }, 126185377Ssam/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 1 } 127185377Ssam }, 128185377Ssam}; 129185377Ssam 130185377Ssam 131185377Ssam/* Venice TODO: roundUpRate() is broken when the rate table does not represent rates 132185377Ssam * in increasing order e.g. 5.5, 11, 6, 9. 133185377Ssam * An average rate of 6 Mbps will currently map to 11 Mbps. 134185377Ssam */ 135185377SsamHAL_RATE_TABLE ar5212_11g_table = { 136185377Ssam 12, /* number of rates */ 137185377Ssam { 0 }, 138185377Ssam { 139185377Ssam/* short ctrl */ 140185377Ssam/* valid rateCode Preamble dot11Rate Rate */ 141185377Ssam/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, 142185377Ssam/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, 143185377Ssam/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2 }, 144185377Ssam/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3 }, 145185377Ssam/* remove rates 6, 9 from rate ctrl */ 146185377Ssam/* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4 }, 147185377Ssam/* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4 }, 148185377Ssam/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6 }, 149185377Ssam/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6 }, 150185377Ssam/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8 }, 151185377Ssam/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8 }, 152185377Ssam/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8 }, 153185377Ssam/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8 } 154185377Ssam }, 155185377Ssam}; 156185377Ssam 157185377Ssam#undef OFDM 158185377Ssam#undef CCK 159185377Ssam#undef TURBO 160185377Ssam#undef XR 161185377Ssam 162185377Ssamconst HAL_RATE_TABLE * 163185377Ssamar5212GetRateTable(struct ath_hal *ah, u_int mode) 164185377Ssam{ 165185377Ssam HAL_RATE_TABLE *rt; 166185377Ssam switch (mode) { 167185377Ssam case HAL_MODE_11A: 168185377Ssam rt = &ar5212_11a_table; 169185377Ssam break; 170185377Ssam case HAL_MODE_11B: 171185377Ssam rt = &ar5212_11b_table; 172185377Ssam break; 173185377Ssam case HAL_MODE_11G: 174185377Ssam#ifdef notdef 175185377Ssam case HAL_MODE_PUREG: 176185377Ssam#endif 177185377Ssam rt = &ar5212_11g_table; 178185377Ssam break; 179185377Ssam case HAL_MODE_108A: 180185377Ssam case HAL_MODE_TURBO: 181185377Ssam rt = &ar5212_turboa_table; 182185377Ssam break; 183185377Ssam case HAL_MODE_108G: 184185377Ssam rt = &ar5212_turbog_table; 185185377Ssam break; 186185377Ssam case HAL_MODE_11A_HALF_RATE: 187185380Ssam case HAL_MODE_11G_HALF_RATE: 188185380Ssam rt = &ar5212_half_table; 189185377Ssam break; 190185377Ssam case HAL_MODE_11A_QUARTER_RATE: 191185380Ssam case HAL_MODE_11G_QUARTER_RATE: 192185380Ssam rt = &ar5212_quarter_table; 193185377Ssam break; 194185377Ssam default: 195185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", 196185377Ssam __func__, mode); 197185377Ssam return AH_NULL; 198185377Ssam } 199185377Ssam ath_hal_setupratetable(ah, rt); 200185377Ssam return rt; 201185377Ssam} 202