1 /* 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2004 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 * $FreeBSD$ 18 */ 19 #include "opt_ah.h" 20 21 #include "ah.h" 22 #include "ah_internal.h" 23 24 #include "ar5210/ar5210.h" 25 26 /* shorthands to compact tables for readability */ 27 #define OFDM IEEE80211_T_OFDM 28 #define TURBO IEEE80211_T_TURBO 29 30 HAL_RATE_TABLE ar5210_11a_table = { 31 8, /* number of rates */ 32 { 0 }, 33 { 34 /* short ctrl */ 35 /* valid rateCode Preamble dot11Rate Rate */ 36 /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, 37 /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, 38 /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, 39 /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, 40 /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, 41 /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, 42 /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, 43 /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } 44 }, 45 }; 46 47 HAL_RATE_TABLE ar5210_turbo_table = { 48 8, /* number of rates */ 49 { 0 }, 50 { 51 /* short ctrl */ 52 /* valid rateCode Preamble dot11Rate Rate */ 53 /* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 54 /* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 }, 55 /* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 }, 56 /* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 }, 57 /* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 }, 58 /* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 }, 59 /* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 }, 60 /* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 } 61 }, 62 }; 63 64 #undef OFDM 65 #undef TURBO 66 67 const HAL_RATE_TABLE * 68 ar5210GetRateTable(struct ath_hal *ah, u_int mode) 69 { 70 HAL_RATE_TABLE *rt; 71 switch (mode) { 72 case HAL_MODE_11A: 73 rt = &ar5210_11a_table; 74 break; 75 case HAL_MODE_TURBO: 76 rt = &ar5210_turbo_table; 77 break; 78 default: 79 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", 80 __func__, mode); 81 return AH_NULL; 82 } 83 ath_hal_setupratetable(ah, rt); 84 return rt; 85 } 86