/*- * SPDX-License-Identifier: ISC * * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting * Copyright (c) 2002-2008 Atheros Communications, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "opt_ah.h" #include "ah.h" #include "ah_internal.h" #include "ar5212/ar5212.h" /* shorthands to compact tables for readability */ #define OFDM IEEE80211_T_OFDM #define CCK IEEE80211_T_CCK #define TURBO IEEE80211_T_TURBO #define HALF IEEE80211_T_OFDM_HALF #define QUART IEEE80211_T_OFDM_QUARTER HAL_RATE_TABLE ar5212_11a_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } }, }; HAL_RATE_TABLE ar5212_half_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 3 Mb */ { AH_TRUE, HALF, 3000, 0x0b, 0x00, (0x80|6), 0 }, /* 4.5 Mb */ { AH_TRUE, HALF, 4500, 0x0f, 0x00, 9, 0 }, /* 6 Mb */ { AH_TRUE, HALF, 6000, 0x0a, 0x00, (0x80|12), 2 }, /* 9 Mb */ { AH_TRUE, HALF, 9000, 0x0e, 0x00, 18, 2 }, /* 12 Mb */ { AH_TRUE, HALF, 12000, 0x09, 0x00, (0x80|24), 4 }, /* 18 Mb */ { AH_TRUE, HALF, 18000, 0x0d, 0x00, 36, 4 }, /* 24 Mb */ { AH_TRUE, HALF, 24000, 0x08, 0x00, 48, 4 }, /* 27 Mb */ { AH_TRUE, HALF, 27000, 0x0c, 0x00, 54, 4 } }, }; HAL_RATE_TABLE ar5212_quarter_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 1.5 Mb */ { AH_TRUE, QUART, 1500, 0x0b, 0x00, (0x80|3), 0 }, /* 2 Mb */ { AH_TRUE, QUART, 2250, 0x0f, 0x00, 4, 0 }, /* 3 Mb */ { AH_TRUE, QUART, 3000, 0x0a, 0x00, (0x80|6), 2 }, /* 4.5 Mb */ { AH_TRUE, QUART, 4500, 0x0e, 0x00, 9, 2 }, /* 6 Mb */ { AH_TRUE, QUART, 6000, 0x09, 0x00, (0x80|12), 4 }, /* 9 Mb */ { AH_TRUE, QUART, 9000, 0x0d, 0x00, 18, 4 }, /* 12 Mb */ { AH_TRUE, QUART, 12000, 0x08, 0x00, 24, 4 }, /*13.5 Mb */ { AH_TRUE, QUART, 13500, 0x0c, 0x00, 27, 4 } }, }; HAL_RATE_TABLE ar5212_turbog_table = { 7, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, /* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 1 }, /* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 1 }, /* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 2 }, /* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 2 }, /* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 2 }, /* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 2 } }, }; HAL_RATE_TABLE ar5212_turboa_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 }, /* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 }, /* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 }, /* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 }, /* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 }, /* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 }, /* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 }, /* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 } }, }; HAL_RATE_TABLE ar5212_11b_table = { 4, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 1 }, /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 1 } }, }; /* Venice TODO: roundUpRate() is broken when the rate table does not represent rates * in increasing order e.g. 5.5, 11, 6, 9. * An average rate of 6 Mbps will currently map to 11 Mbps. */ HAL_RATE_TABLE ar5212_11g_table = { 12, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rateCode Preamble dot11Rate Rate */ /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2 }, /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3 }, /* remove rates 6, 9 from rate ctrl */ /* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4 }, /* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4 }, /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6 }, /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6 }, /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8 }, /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8 }, /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8 }, /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8 } }, }; #undef OFDM #undef CCK #undef TURBO #undef XR const HAL_RATE_TABLE * ar5212GetRateTable(struct ath_hal *ah, u_int mode) { HAL_RATE_TABLE *rt; switch (mode) { case HAL_MODE_11A: rt = &ar5212_11a_table; break; case HAL_MODE_11B: rt = &ar5212_11b_table; break; case HAL_MODE_11G: #ifdef notdef case HAL_MODE_PUREG: #endif rt = &ar5212_11g_table; break; case HAL_MODE_108A: case HAL_MODE_TURBO: rt = &ar5212_turboa_table; break; case HAL_MODE_108G: rt = &ar5212_turbog_table; break; case HAL_MODE_11A_HALF_RATE: case HAL_MODE_11G_HALF_RATE: rt = &ar5212_half_table; break; case HAL_MODE_11A_QUARTER_RATE: case HAL_MODE_11G_QUARTER_RATE: rt = &ar5212_quarter_table; break; default: HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", __func__, mode); return AH_NULL; } ath_hal_setupratetable(ah, rt); return rt; }