1 /* 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2008 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $Id: ar5212_phy.c,v 1.2 2008/12/11 05:30:29 alc Exp $ 18 */ 19 #include "opt_ah.h" 20 21 #include "ah.h" 22 #include "ah_internal.h" 23 24 #include "ar5212/ar5212.h" 25 26 /* shorthands to compact tables for readability */ 27 #define OFDM IEEE80211_T_OFDM 28 #define CCK IEEE80211_T_CCK 29 #define TURBO IEEE80211_T_TURBO 30 31 HAL_RATE_TABLE ar5212_11a_table = { 32 8, /* number of rates */ 33 { 0 }, 34 { 35 /* short ctrl */ 36 /* valid rateCode Preamble dot11Rate Rate */ 37 /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, 38 /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, 39 /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, 40 /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, 41 /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, 42 /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4, 0, 0 }, 43 /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4, 0, 0 }, 44 /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4, 0, 0 } 45 }, 46 }; 47 48 HAL_RATE_TABLE ar5212_half_table = { 49 8, /* number of rates */ 50 { 0 }, 51 { 52 /* short ctrl */ 53 /* valid rateCode Preamble dot11Rate Rate */ 54 /* 6 Mb */ { AH_TRUE, OFDM, 3000, 0x0b, 0x00, (0x80|6), 0, 0, 0 }, 55 /* 9 Mb */ { AH_TRUE, OFDM, 4500, 0x0f, 0x00, 9, 0, 0, 0 }, 56 /* 12 Mb */ { AH_TRUE, OFDM, 6000, 0x0a, 0x00, (0x80|12), 2, 0, 0 }, 57 /* 18 Mb */ { AH_TRUE, OFDM, 9000, 0x0e, 0x00, 18, 2, 0, 0 }, 58 /* 24 Mb */ { AH_TRUE, OFDM, 12000, 0x09, 0x00, (0x80|24), 4, 0, 0 }, 59 /* 36 Mb */ { AH_TRUE, OFDM, 18000, 0x0d, 0x00, 36, 4, 0, 0 }, 60 /* 48 Mb */ { AH_TRUE, OFDM, 24000, 0x08, 0x00, 48, 4, 0, 0 }, 61 /* 54 Mb */ { AH_TRUE, OFDM, 27000, 0x0c, 0x00, 54, 4, 0, 0 } 62 }, 63 }; 64 65 HAL_RATE_TABLE ar5212_quarter_table = { 66 8, /* number of rates */ 67 { 0 }, 68 { 69 /* short ctrl */ 70 /* valid rateCode Preamble dot11Rate Rate */ 71 /* 6 Mb */ { AH_TRUE, OFDM, 1500, 0x0b, 0x00, (0x80|3), 0, 0, 0 }, 72 /* 9 Mb */ { AH_TRUE, OFDM, 2250, 0x0f, 0x00, 4, 0, 0, 0 }, 73 /* 12 Mb */ { AH_TRUE, OFDM, 3000, 0x0a, 0x00, (0x80|6), 2, 0, 0 }, 74 /* 18 Mb */ { AH_TRUE, OFDM, 4500, 0x0e, 0x00, 9, 2, 0, 0 }, 75 /* 24 Mb */ { AH_TRUE, OFDM, 6000, 0x09, 0x00, (0x80|12), 4, 0, 0 }, 76 /* 36 Mb */ { AH_TRUE, OFDM, 9000, 0x0d, 0x00, 18, 4, 0, 0 }, 77 /* 48 Mb */ { AH_TRUE, OFDM, 12000, 0x08, 0x00, 24, 4, 0, 0 }, 78 /* 54 Mb */ { AH_TRUE, OFDM, 13500, 0x0c, 0x00, 27, 4, 0, 0 } 79 }, 80 }; 81 82 HAL_RATE_TABLE ar5212_turbog_table = { 83 7, /* number of rates */ 84 { 0 }, 85 { 86 /* short ctrl */ 87 /* valid rateCode Preamble dot11Rate Rate */ 88 /* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, 89 /* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, 90 /* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, 91 /* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 3, 0, 0 }, 92 /* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 3, 0, 0 }, 93 /* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 3, 0, 0 }, 94 /* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 3, 0, 0 } 95 }, 96 }; 97 98 HAL_RATE_TABLE ar5212_turboa_table = { 99 8, /* number of rates */ 100 { 0 }, 101 { 102 /* short ctrl */ 103 /* valid rateCode Preamble dot11Rate Rate */ 104 /* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, 105 /* 9 Mb */ { AH_TRUE, TURBO, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, 106 /* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, 107 /* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, 108 /* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, 109 /* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 4, 0, 0 }, 110 /* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 4, 0, 0 }, 111 /* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 4, 0, 0 } 112 }, 113 }; 114 115 HAL_RATE_TABLE ar5212_11b_table = { 116 4, /* number of rates */ 117 { 0 }, 118 { 119 /* short ctrl */ 120 /* valid rateCode Preamble dot11Rate Rate */ 121 /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0, 0, 0 }, 122 /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1, 0, 0 }, 123 /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 1, 0, 0 }, 124 /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 1, 0, 0 } 125 }, 126 }; 127 128 129 /* Venice TODO: roundUpRate() is broken when the rate table does not represent rates 130 * in increasing order e.g. 5.5, 11, 6, 9. 131 * An average rate of 6 Mbps will currently map to 11 Mbps. 132 */ 133 HAL_RATE_TABLE ar5212_11g_table = { 134 12, /* number of rates */ 135 { 0 }, 136 { 137 /* short ctrl */ 138 /* valid rateCode Preamble dot11Rate Rate */ 139 /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0, 0, 0 }, 140 /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1, 0, 0 }, 141 /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2, 0, 0 }, 142 /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3, 0, 0 }, 143 /* remove rates 6, 9 from rate ctrl */ 144 /* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4, 0, 0 }, 145 /* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4, 0, 0 }, 146 /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6, 0, 0 }, 147 /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6, 0, 0 }, 148 /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8, 0, 0 }, 149 /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 }, 150 /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 }, 151 /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 } 152 }, 153 }; 154 155 #undef OFDM 156 #undef CCK 157 #undef TURBO 158 #undef XR 159 160 const HAL_RATE_TABLE * 161 ar5212GetRateTable(struct ath_hal *ah, u_int mode) 162 { 163 HAL_RATE_TABLE *rt; 164 switch (mode) { 165 case HAL_MODE_11A: 166 rt = &ar5212_11a_table; 167 break; 168 case HAL_MODE_11B: 169 rt = &ar5212_11b_table; 170 break; 171 case HAL_MODE_11G: 172 #ifdef notdef 173 case HAL_MODE_PUREG: 174 #endif 175 rt = &ar5212_11g_table; 176 break; 177 case HAL_MODE_108A: 178 case HAL_MODE_TURBO: 179 rt = &ar5212_turboa_table; 180 break; 181 case HAL_MODE_108G: 182 rt = &ar5212_turbog_table; 183 break; 184 case HAL_MODE_11A_HALF_RATE: 185 case HAL_MODE_11G_HALF_RATE: 186 rt = &ar5212_half_table; 187 break; 188 case HAL_MODE_11A_QUARTER_RATE: 189 case HAL_MODE_11G_QUARTER_RATE: 190 rt = &ar5212_quarter_table; 191 break; 192 default: 193 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", 194 __func__, mode); 195 return AH_NULL; 196 } 197 ath_hal_setupratetable(ah, rt); 198 return rt; 199 } 200
Indexes created Fri Oct 03 02:09:57 GMT 2025