1 /*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 5 * Copyright (c) 2002-2004 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 "ar5210/ar5210.h" 27 28 /* shorthands to compact tables for readability */ 29 #define OFDM IEEE80211_T_OFDM 30 #define TURBO IEEE80211_T_TURBO 31 32 HAL_RATE_TABLE ar5210_11a_table = { 33 8, /* number of rates */ 34 { 0 }, 35 { 36 /* short ctrl */ 37 /* valid rateCode Preamble dot11Rate Rate */ 38 /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, 39 /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, 40 /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, 41 /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, 42 /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, 43 /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, 44 /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, 45 /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } 46 }, 47 }; 48 49 HAL_RATE_TABLE ar5210_turbo_table = { 50 8, /* number of rates */ 51 { 0 }, 52 { 53 /* short ctrl */ 54 /* valid rateCode Preamble dot11Rate Rate */ 55 /* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, 56 /* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 }, 57 /* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 }, 58 /* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 }, 59 /* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 }, 60 /* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 }, 61 /* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 }, 62 /* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 } 63 }, 64 }; 65 66 #undef OFDM 67 #undef TURBO 68 69 const HAL_RATE_TABLE * 70 ar5210GetRateTable(struct ath_hal *ah, u_int mode) 71 { 72 HAL_RATE_TABLE *rt; 73 switch (mode) { 74 case HAL_MODE_11A: 75 rt = &ar5210_11a_table; 76 break; 77 case HAL_MODE_TURBO: 78 rt = &ar5210_turbo_table; 79 break; 80 default: 81 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", 82 __func__, mode); 83 return AH_NULL; 84 } 85 ath_hal_setupratetable(ah, rt); 86 return rt; 87 } 88