1/*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 5 * Copyright (c) 2002-2008 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: releng/12.0/sys/dev/ath/ath_hal/ar5212/ar5212_phy.c 326695 2017-12-08 15:57:29Z pfg $ 20 */ 21#include "opt_ah.h" 22 23#include "ah.h" 24#include "ah_internal.h" 25 26#include "ar5212/ar5212.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#define HALF IEEE80211_T_OFDM_HALF 33#define QUART IEEE80211_T_OFDM_QUARTER 34 35HAL_RATE_TABLE ar5212_11a_table = { 36 8, /* number of rates */ 37 { 0 }, 38 { 39/* short ctrl */ 40/* valid rateCode Preamble dot11Rate Rate */ 41/* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, 42/* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, 43/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, 44/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, 45/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, 46/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, 47/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, 48/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } 49 }, 50}; 51 52HAL_RATE_TABLE ar5212_half_table = { 53 8, /* number of rates */ 54 { 0 }, 55 { 56/* short ctrl */ 57/* valid rateCode Preamble dot11Rate Rate */ 58/* 3 Mb */ { AH_TRUE, HALF, 3000, 0x0b, 0x00, (0x80|6), 0 }, 59/* 4.5 Mb */ { AH_TRUE, HALF, 4500, 0x0f, 0x00, 9, 0 }, 60/* 6 Mb */ { AH_TRUE, HALF, 6000, 0x0a, 0x00, (0x80|12), 2 }, 61/* 9 Mb */ { AH_TRUE, HALF, 9000, 0x0e, 0x00, 18, 2 }, 62/* 12 Mb */ { AH_TRUE, HALF, 12000, 0x09, 0x00, (0x80|24), 4 }, 63/* 18 Mb */ { AH_TRUE, HALF, 18000, 0x0d, 0x00, 36, 4 }, 64/* 24 Mb */ { AH_TRUE, HALF, 24000, 0x08, 0x00, 48, 4 }, 65/* 27 Mb */ { AH_TRUE, HALF, 27000, 0x0c, 0x00, 54, 4 } 66 }, 67}; 68 69HAL_RATE_TABLE ar5212_quarter_table = { 70 8, /* number of rates */ 71 { 0 }, 72 { 73/* short ctrl */ 74/* valid rateCode Preamble dot11Rate Rate */ 75/* 1.5 Mb */ { AH_TRUE, QUART, 1500, 0x0b, 0x00, (0x80|3), 0 }, 76/* 2 Mb */ { AH_TRUE, QUART, 2250, 0x0f, 0x00, 4, 0 }, 77/* 3 Mb */ { AH_TRUE, QUART, 3000, 0x0a, 0x00, (0x80|6), 2 }, 78/* 4.5 Mb */ { AH_TRUE, QUART, 4500, 0x0e, 0x00, 9, 2 }, 79/* 6 Mb */ { AH_TRUE, QUART, 6000, 0x09, 0x00, (0x80|12), 4 }, 80/* 9 Mb */ { AH_TRUE, QUART, 9000, 0x0d, 0x00, 18, 4 }, 81/* 12 Mb */ { AH_TRUE, QUART, 12000, 0x08, 0x00, 24, 4 }, 82/*13.5 Mb */ { AH_TRUE, QUART, 13500, 0x0c, 0x00, 27, 4 } 83 }, 84}; 85 86HAL_RATE_TABLE ar5212_turbog_table = { 87 7, /* number of rates */ 88 { 0 }, 89 { 90/* short ctrl */ 91/* valid rateCode Preamble dot11Rate Rate */ 92/* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 93/* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 1 }, 94/* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 1 }, 95/* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 2 }, 96/* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 2 }, 97/* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 2 }, 98/* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 2 } 99 }, 100}; 101 102HAL_RATE_TABLE ar5212_turboa_table = { 103 8, /* number of rates */ 104 { 0 }, 105 { 106/* short ctrl */ 107/* valid rateCode Preamble dot11Rate Rate */ 108/* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 109/* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 }, 110/* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 }, 111/* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 }, 112/* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 }, 113/* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 }, 114/* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 }, 115/* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 } 116 }, 117}; 118 119HAL_RATE_TABLE ar5212_11b_table = { 120 4, /* number of rates */ 121 { 0 }, 122 { 123/* short ctrl */ 124/* valid rateCode Preamble dot11Rate Rate */ 125/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, 126/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, 127/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 1 }, 128/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 1 } 129 }, 130}; 131 132/* Venice TODO: roundUpRate() is broken when the rate table does not represent rates 133 * in increasing order e.g. 5.5, 11, 6, 9. 134 * An average rate of 6 Mbps will currently map to 11 Mbps. 135 */ 136HAL_RATE_TABLE ar5212_11g_table = { 137 12, /* number of rates */ 138 { 0 }, 139 { 140/* short ctrl */ 141/* valid rateCode Preamble dot11Rate Rate */ 142/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, 143/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, 144/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2 }, 145/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3 }, 146/* remove rates 6, 9 from rate ctrl */ 147/* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4 }, 148/* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4 }, 149/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6 }, 150/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6 }, 151/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8 }, 152/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8 }, 153/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8 }, 154/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8 } 155 }, 156}; 157 158#undef OFDM 159#undef CCK 160#undef TURBO 161#undef XR 162 163const HAL_RATE_TABLE * 164ar5212GetRateTable(struct ath_hal *ah, u_int mode) 165{ 166 HAL_RATE_TABLE *rt; 167 switch (mode) { 168 case HAL_MODE_11A: 169 rt = &ar5212_11a_table; 170 break; 171 case HAL_MODE_11B: 172 rt = &ar5212_11b_table; 173 break; 174 case HAL_MODE_11G: 175#ifdef notdef 176 case HAL_MODE_PUREG: 177#endif 178 rt = &ar5212_11g_table; 179 break; 180 case HAL_MODE_108A: 181 case HAL_MODE_TURBO: 182 rt = &ar5212_turboa_table; 183 break; 184 case HAL_MODE_108G: 185 rt = &ar5212_turbog_table; 186 break; 187 case HAL_MODE_11A_HALF_RATE: 188 case HAL_MODE_11G_HALF_RATE: 189 rt = &ar5212_half_table; 190 break; 191 case HAL_MODE_11A_QUARTER_RATE: 192 case HAL_MODE_11G_QUARTER_RATE: 193 rt = &ar5212_quarter_table; 194 break; 195 default: 196 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", 197 __func__, mode); 198 return AH_NULL; 199 } 200 ath_hal_setupratetable(ah, rt); 201 return rt; 202} 203