1 /*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 5 * Copyright (c) 2002-2006 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 "ar5211/ar5211.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 33 HAL_RATE_TABLE ar5211_11a_table = { 34 8, /* number of rates */ 35 { 0 }, 36 { 37 /* short ctrl */ 38 /* valid rateCode Preamble dot11Rate Rate */ 39 /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, 40 /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, 41 /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, 42 /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, 43 /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, 44 /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, 45 /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, 46 /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } 47 }, 48 }; 49 50 HAL_RATE_TABLE ar5211_turbo_table = { 51 8, /* number of rates */ 52 { 0 }, 53 { 54 /* short ctrl */ 55 /* valid rateCode Preamble dot11Rate Rate */ 56 /* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 57 /* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 }, 58 /* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 }, 59 /* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 }, 60 /* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 }, 61 /* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 }, 62 /* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 }, 63 /* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 } 64 }, 65 }; 66 67 HAL_RATE_TABLE ar5211_11b_table = { 68 4, /* number of rates */ 69 { 0 }, 70 { 71 /* short ctrl */ 72 /* valid rateCode Preamble dot11Rate Rate */ 73 /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x0b, 0x00, (0x80| 2), 0 }, 74 /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x0a, 0x04, (0x80| 4), 1 }, 75 /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x09, 0x04, (0x80|11), 1 }, 76 /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x08, 0x04, (0x80|22), 1 } 77 }, 78 }; 79 80 #undef OFDM 81 #undef CCK 82 #undef TURBO 83 84 85 const HAL_RATE_TABLE * 86 ar5211GetRateTable(struct ath_hal *ah, u_int mode) 87 { 88 HAL_RATE_TABLE *rt; 89 switch (mode) { 90 case HAL_MODE_11A: 91 rt = &ar5211_11a_table; 92 break; 93 case HAL_MODE_11B: 94 rt = &ar5211_11b_table; 95 break; 96 case HAL_MODE_TURBO: 97 rt = &ar5211_turbo_table; 98 break; 99 default: 100 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", 101 __func__, mode); 102 return AH_NULL; 103 } 104 ath_hal_setupratetable(ah, rt); 105 return rt; 106 } 107