From: Pekka Enberg Date: Thu, 30 Oct 2008 17:04:52 +0000 (+0200) Subject: Staging: w35und: remove dead code from mto.c X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a22517fec0b13b5813932a3583a2b11a2ee17f5d;p=linux-beck.git Staging: w35und: remove dead code from mto.c Remove lots of code that's never used. Acked-by: Pavel Machek Signed-off-by: Pekka Enberg Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/winbond/mto.c b/drivers/staging/winbond/mto.c index 612a95c554cd..de11a05efae2 100644 --- a/drivers/staging/winbond/mto.c +++ b/drivers/staging/winbond/mto.c @@ -29,7 +29,6 @@ // Declare SQ3 to rate and fragmentation threshold table // Declare fragmentation thresholds table -#define MTO_MAX_SQ3_LEVELS 14 #define MTO_MAX_FRAG_TH_LEVELS 5 #define MTO_MAX_DATA_RATE_LEVELS 12 @@ -38,180 +37,15 @@ u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] = 256, 384, 512, 768, 1536 }; -u8 MTO_SQ3_Level[MTO_MAX_SQ3_LEVELS] = -{ - 0, 26, 30, 32, 34, 35, 37, 42, 44, 46, 54, 62, 78, 81 -}; -u8 MTO_SQ3toRate[MTO_MAX_SQ3_LEVELS] = -{ - 0, 1, 1, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 -}; -u8 MTO_SQ3toFrag[MTO_MAX_SQ3_LEVELS] = -{ - 0, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4 -}; - -// One Exchange Time table -// -u16 MTO_One_Exchange_Time_Tbl_l[MTO_MAX_FRAG_TH_LEVELS][MTO_MAX_DATA_RATE_LEVELS] = -{ - { 2554, 1474, 822, 0, 0, 636, 0, 0, 0, 0, 0, 0}, - { 3578, 1986, 1009, 0, 0, 729, 0, 0, 0, 0, 0, 0}, - { 4602, 2498, 1195, 0, 0, 822, 0, 0, 0, 0, 0, 0}, - { 6650, 3522, 1567, 0, 0, 1009, 0, 0, 0, 0, 0, 0}, - {12794, 6594, 2684, 0, 0, 1567, 0, 0, 0, 0, 0, 0} -}; - -u16 MTO_One_Exchange_Time_Tbl_s[MTO_MAX_FRAG_TH_LEVELS][MTO_MAX_DATA_RATE_LEVELS] = -{ - { 0, 1282, 630, 404, 288, 444, 232, 172, 144, 116, 100, 96}, - { 0, 1794, 817, 572, 400, 537, 316, 228, 188, 144, 124, 116}, - { 0, 2306, 1003, 744, 516, 630, 400, 288, 228, 172, 144, 136}, - { 0, 3330, 1375, 1084, 744, 817, 572, 400, 316, 228, 188, 172}, - { 0, 6402, 2492, 2108, 1424, 1375, 1084, 740, 572, 400, 316, 284} -}; - -#define MTO_ONE_EXCHANGE_TIME(preamble_type, frag_th_lvl, data_rate_lvl) \ - (preamble_type) ? MTO_One_Exchange_Time_Tbl_s[frag_th_lvl][data_rate_lvl] : \ - MTO_One_Exchange_Time_Tbl_l[frag_th_lvl][data_rate_lvl] - // Declare data rate table //The following table will be changed at anytime if the opration rate supported by AP don't //match the table -u8 MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = -{ +static u8 MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; -//The Stardard_Data_Rate_Tbl and Level2PerTbl table is used to indirectly retreive PER -//information from Rate_PER_TBL -//The default settings is AP can support full rate set. -static u8 Stardard_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = -{ - 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 -}; -static u8 Level2PerTbl[MTO_MAX_DATA_RATE_LEVELS] = -{ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 -}; -//How many kind of tx rate can be supported by AP -//DTO will change Rate between MTO_Data_Rate_Tbl[0] and MTO_Data_Rate_Tbl[MTO_DataRateAvailableLevel-1] -static u8 MTO_DataRateAvailableLevel = MTO_MAX_DATA_RATE_LEVELS; -//Smoothed PER table for each different RATE based on packet length of 1514 -static int Rate_PER_TBL[91][MTO_MAX_DATA_RATE_LEVELS] = { -// 1M 2M 5.5M 11M 6M 9M 12M 18M 24M 36M 48M 54M -/* 0% */{ 93, 177, 420, 538, 690, 774, 1001, 1401, 1768, 2358, 2838, 3039}, -/* 1% */{ 92, 176, 416, 533, 683, 767, 992, 1389, 1752, 2336, 2811, 3010}, -/* 2% */{ 91, 174, 412, 528, 675, 760, 983, 1376, 1735, 2313, 2783, 2979}, -/* 3% */{ 90, 172, 407, 523, 667, 753, 973, 1363, 1719, 2290, 2755, 2948}, -/* 4% */{ 90, 170, 403, 518, 659, 746, 964, 1350, 1701, 2266, 2726, 2916}, -/* 5% */{ 89, 169, 398, 512, 651, 738, 954, 1336, 1684, 2242, 2696, 2884}, -/* 6% */{ 88, 167, 394, 507, 643, 731, 944, 1322, 1666, 2217, 2665, 2851}, -/* 7% */{ 87, 165, 389, 502, 635, 723, 935, 1308, 1648, 2192, 2634, 2817}, -/* 8% */{ 86, 163, 384, 497, 626, 716, 924, 1294, 1629, 2166, 2602, 2782}, -/* 9% */{ 85, 161, 380, 491, 618, 708, 914, 1279, 1611, 2140, 2570, 2747}, -/* 10% */{ 84, 160, 375, 486, 609, 700, 904, 1265, 1591, 2113, 2537, 2711}, -/* 11% */{ 83, 158, 370, 480, 600, 692, 894, 1250, 1572, 2086, 2503, 2675}, -/* 12% */{ 82, 156, 365, 475, 592, 684, 883, 1234, 1552, 2059, 2469, 2638}, -/* 13% */{ 81, 154, 360, 469, 583, 676, 872, 1219, 1532, 2031, 2435, 2600}, -/* 14% */{ 80, 152, 355, 464, 574, 668, 862, 1204, 1512, 2003, 2400, 2562}, -/* 15% */{ 79, 150, 350, 458, 565, 660, 851, 1188, 1492, 1974, 2365, 2524}, -/* 16% */{ 78, 148, 345, 453, 556, 652, 840, 1172, 1471, 1945, 2329, 2485}, -/* 17% */{ 77, 146, 340, 447, 547, 643, 829, 1156, 1450, 1916, 2293, 2446}, -/* 18% */{ 76, 144, 335, 441, 538, 635, 818, 1140, 1429, 1887, 2256, 2406}, -/* 19% */{ 75, 143, 330, 436, 529, 627, 807, 1124, 1408, 1857, 2219, 2366}, -/* 20% */{ 74, 141, 325, 430, 520, 618, 795, 1107, 1386, 1827, 2182, 2326}, -/* 21% */{ 73, 139, 320, 424, 510, 610, 784, 1091, 1365, 1797, 2145, 2285}, -/* 22% */{ 72, 137, 314, 418, 501, 601, 772, 1074, 1343, 1766, 2107, 2244}, -/* 23% */{ 71, 135, 309, 412, 492, 592, 761, 1057, 1321, 1736, 2069, 2203}, -/* 24% */{ 70, 133, 304, 407, 482, 584, 749, 1040, 1299, 1705, 2031, 2161}, -/* 25% */{ 69, 131, 299, 401, 473, 575, 738, 1023, 1277, 1674, 1992, 2120}, -/* 26% */{ 68, 129, 293, 395, 464, 566, 726, 1006, 1254, 1642, 1953, 2078}, -/* 27% */{ 67, 127, 288, 389, 454, 557, 714, 989, 1232, 1611, 1915, 2035}, -/* 28% */{ 66, 125, 283, 383, 445, 549, 703, 972, 1209, 1579, 1876, 1993}, -/* 29% */{ 65, 123, 278, 377, 436, 540, 691, 955, 1187, 1548, 1836, 1951}, -/* 30% */{ 64, 121, 272, 371, 426, 531, 679, 937, 1164, 1516, 1797, 1908}, -/* 31% */{ 63, 119, 267, 365, 417, 522, 667, 920, 1141, 1484, 1758, 1866}, -/* 32% */{ 62, 117, 262, 359, 407, 513, 655, 902, 1118, 1453, 1719, 1823}, -/* 33% */{ 61, 115, 256, 353, 398, 504, 643, 885, 1095, 1421, 1679, 1781}, -/* 34% */{ 60, 113, 251, 347, 389, 495, 631, 867, 1072, 1389, 1640, 1738}, -/* 35% */{ 59, 111, 246, 341, 379, 486, 619, 850, 1049, 1357, 1600, 1695}, -/* 36% */{ 58, 108, 240, 335, 370, 477, 607, 832, 1027, 1325, 1561, 1653}, -/* 37% */{ 57, 106, 235, 329, 361, 468, 595, 815, 1004, 1293, 1522, 1610}, -/* 38% */{ 56, 104, 230, 323, 351, 459, 584, 797, 981, 1261, 1483, 1568}, -/* 39% */{ 55, 102, 224, 317, 342, 450, 572, 780, 958, 1230, 1443, 1526}, -/* 40% */{ 54, 100, 219, 311, 333, 441, 560, 762, 935, 1198, 1404, 1484}, -/* 41% */{ 53, 98, 214, 305, 324, 432, 548, 744, 912, 1166, 1366, 1442}, -/* 42% */{ 52, 96, 209, 299, 315, 423, 536, 727, 889, 1135, 1327, 1400}, -/* 43% */{ 51, 94, 203, 293, 306, 414, 524, 709, 866, 1104, 1289, 1358}, -/* 44% */{ 50, 92, 198, 287, 297, 405, 512, 692, 844, 1072, 1250, 1317}, -/* 45% */{ 49, 90, 193, 281, 288, 396, 500, 675, 821, 1041, 1212, 1276}, -/* 46% */{ 48, 88, 188, 275, 279, 387, 488, 657, 799, 1011, 1174, 1236}, -/* 47% */{ 47, 86, 183, 269, 271, 378, 476, 640, 777, 980, 1137, 1195}, -/* 48% */{ 46, 84, 178, 262, 262, 369, 464, 623, 754, 949, 1100, 1155}, -/* 49% */{ 45, 82, 173, 256, 254, 360, 452, 606, 732, 919, 1063, 1116}, -/* 50% */{ 44, 80, 168, 251, 245, 351, 441, 589, 710, 889, 1026, 1076}, -/* 51% */{ 43, 78, 163, 245, 237, 342, 429, 572, 689, 860, 990, 1038}, -/* 52% */{ 42, 76, 158, 239, 228, 333, 417, 555, 667, 830, 955, 999}, -/* 53% */{ 41, 74, 153, 233, 220, 324, 406, 538, 645, 801, 919, 961}, -/* 54% */{ 40, 72, 148, 227, 212, 315, 394, 522, 624, 773, 884, 924}, -/* 55% */{ 39, 70, 143, 221, 204, 307, 383, 505, 603, 744, 850, 887}, -/* 56% */{ 38, 68, 138, 215, 196, 298, 371, 489, 582, 716, 816, 851}, -/* 57% */{ 37, 67, 134, 209, 189, 289, 360, 473, 562, 688, 783, 815}, -/* 58% */{ 36, 65, 129, 203, 181, 281, 349, 457, 541, 661, 750, 780}, -/* 59% */{ 35, 63, 124, 197, 174, 272, 338, 441, 521, 634, 717, 745}, -/* 60% */{ 34, 61, 120, 192, 166, 264, 327, 425, 501, 608, 686, 712}, -/* 61% */{ 33, 59, 115, 186, 159, 255, 316, 409, 482, 582, 655, 678}, -/* 62% */{ 32, 57, 111, 180, 152, 247, 305, 394, 462, 556, 624, 646}, -/* 63% */{ 31, 55, 107, 174, 145, 238, 294, 379, 443, 531, 594, 614}, -/* 64% */{ 30, 53, 102, 169, 138, 230, 283, 364, 425, 506, 565, 583}, -/* 65% */{ 29, 52, 98, 163, 132, 222, 273, 349, 406, 482, 536, 553}, -/* 66% */{ 28, 50, 94, 158, 125, 214, 262, 334, 388, 459, 508, 523}, -/* 67% */{ 27, 48, 90, 152, 119, 206, 252, 320, 370, 436, 481, 495}, -/* 68% */{ 26, 46, 86, 147, 113, 198, 242, 306, 353, 413, 455, 467}, -/* 69% */{ 26, 44, 82, 141, 107, 190, 231, 292, 336, 391, 429, 440}, -/* 70% */{ 25, 43, 78, 136, 101, 182, 221, 278, 319, 370, 405, 414}, -/* 71% */{ 24, 41, 74, 130, 95, 174, 212, 265, 303, 350, 381, 389}, -/* 72% */{ 23, 39, 71, 125, 90, 167, 202, 252, 287, 329, 358, 365}, -/* 73% */{ 22, 37, 67, 119, 85, 159, 192, 239, 271, 310, 335, 342}, -/* 74% */{ 21, 36, 63, 114, 80, 151, 183, 226, 256, 291, 314, 320}, -/* 75% */{ 20, 34, 60, 109, 75, 144, 174, 214, 241, 273, 294, 298}, -/* 76% */{ 19, 32, 57, 104, 70, 137, 164, 202, 227, 256, 274, 278}, -/* 77% */{ 18, 31, 53, 99, 66, 130, 155, 190, 213, 239, 256, 259}, -/* 78% */{ 17, 29, 50, 94, 62, 122, 146, 178, 200, 223, 238, 241}, -/* 79% */{ 16, 28, 47, 89, 58, 115, 138, 167, 187, 208, 222, 225}, -/* 80% */{ 16, 26, 44, 84, 54, 109, 129, 156, 175, 194, 206, 209}, -/* 81% */{ 15, 24, 41, 79, 50, 102, 121, 146, 163, 180, 192, 194}, -/* 82% */{ 14, 23, 39, 74, 47, 95, 113, 136, 151, 167, 178, 181}, -/* 83% */{ 13, 21, 36, 69, 44, 89, 105, 126, 140, 155, 166, 169}, -/* 84% */{ 12, 20, 33, 64, 41, 82, 97, 116, 130, 144, 155, 158}, -/* 85% */{ 11, 19, 31, 60, 39, 76, 89, 107, 120, 134, 145, 149}, -/* 86% */{ 11, 17, 29, 55, 36, 70, 82, 98, 110, 125, 136, 140}, -/* 87% */{ 10, 16, 26, 51, 34, 64, 75, 90, 102, 116, 128, 133}, -/* 88% */{ 9, 14, 24, 46, 32, 58, 68, 81, 93, 108, 121, 128}, -/* 89% */{ 8, 13, 22, 42, 31, 52, 61, 74, 86, 102, 116, 124}, -/* 90% */{ 7, 12, 21, 37, 29, 46, 54, 66, 79, 96, 112, 121} -}; - -#define RSSIBUF_NUM 10 -#define RSSI2RATE_SIZE 9 - -static TXRETRY_REC TxRateRec={MTO_MAX_DATA_RATE_LEVELS - 1, 0}; //new record=>TxRateRec -static int TxRetryRate; -//static int SQ3, BSS_PK_CNT, NIDLESLOT, SLOT_CNT, INTERF_CNT, GAP_CNT, DS_EVM; -static s32 RSSIBuf[RSSIBUF_NUM]={-70, -70, -70, -70, -70, -70, -70, -70, -70, -70}; -static s32 RSSISmoothed=-700; -static int RSSIBufIndex=0; -static u8 max_rssi_rate; -static int rate_tbl[13] = {0,1,2,5,11,6,9,12,18,24,36,48,54}; -//[WKCHEN]static core_data_t *pMTOcore_data=NULL; - static int TotalTxPkt = 0; static int TotalTxPktRetry = 0; -static int TxPktPerAnt[3] = {0,0,0}; -static int TxPktRetryPerAnt[3] = {0,0,0}; -//static int TxDominateFlag=false; -static u8 old_antenna[4]={1 ,0 ,1 ,0}; static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];//this record the retry rate at different data rate static int PeriodTotalTxPkt = 0; @@ -223,123 +57,14 @@ typedef struct u8 TxRate; }RSSI2RATE; -static RSSI2RATE RSSI2RateTbl[RSSI2RATE_SIZE] = -{ - {-740, 108}, // 54M - {-760, 96}, // 48M - {-820, 72}, // 36M - {-850, 48}, // 24M - {-870, 36}, // 18M - {-890, 24}, // 12M - {-900, 12}, // 6M - {-920, 11}, // 5.5M - {-950, 4}, // 2M -}; -static u8 last_rate_ant; //this is used for antenna backoff-hh - -u8 boSparseTxTraffic = false; +static u8 boSparseTxTraffic = false; void MTO_Init(MTO_FUNC_INPUT); -void GetFreshAntennaData(MTO_FUNC_INPUT); void TxRateReductionCtrl(MTO_FUNC_INPUT); /** 1.1.31.1000 Turbo modify */ -//void MTO_SetDTORateRange(int type); -void MTO_SetDTORateRange(MTO_FUNC_INPUT, u8 *pRateArray, u8 ArraySize); void MTO_SetTxCount(MTO_FUNC_INPUT, u8 t0, u8 index); void MTO_TxFailed(MTO_FUNC_INPUT); -void SmoothRSSI(s32 new_rssi); void hal_get_dto_para(MTO_FUNC_INPUT, char *buffer); -u8 CalcNewRate(MTO_FUNC_INPUT, u8 old_rate, u32 retry_cnt, u32 tx_frag_cnt); -u8 GetMaxRateLevelFromRSSI(void); -u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT); -int Divide(int a, int b); - -//=========================================================================== -// MTO_Init -- -// -// Description: -// Set DTO Tx Rate Scope because different AP could have different Rate set. -// After our staion join with AP, LM core will call this function to initialize -// Tx Rate table. -// -// Arguments: -// pRateArray - The pointer to the Tx Rate Array by the following order -// - 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 -// - DTO won't check whether rate order is invalid or not -// ArraySize - The array size to indicate how many tx rate we can choose -// -// sample code: -// { -// u8 RateArray[4] = {2, 4, 11, 22}; -// MTO_SetDTORateRange(RateArray, 4); -// } -// -// Return Value: -// None -//============================================================================ -void MTO_SetDTORateRange(MTO_FUNC_INPUT,u8 *pRateArray, u8 ArraySize) -{ - u8 i, j=0; - - for(i=0;i0;i--) - { - if(pRateArray[i-1] <= 11) - break; - pRateArray[i] = pRateArray[i-1]; - } - pRateArray[i] = 22; - MTO_OFDM_RATE_LEVEL() = i; - } - else - { - for(i=0; i= 12) - break; - } - MTO_OFDM_RATE_LEVEL() = i; - } - - for(i=0;i (u32) RxRatePeakAnt[index].RxRatePkts) - { - RxRatePeakAnt[index].RxRatePkts = DTO_Rx_Info[i][index]; - RxRatePeakAnt[index].RxRate = rate_tbl[i]; - RxRatePeakAnt[index].index = i; - } - } -} - -void ResetDTO_RxInfo(int index, MTO_FUNC_INPUT) -{ - int i; - - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("ResetDTOrx\n")); - #endif - - for(i=0;i<13;i++) - DTO_Rx_Info[i][index] = MTO_HAL()->rx_ok_count[i]; - - for(i=0;i<13;i++) - DTO_RxCRCFail_Info[i][index] = MTO_HAL()->rx_err_count[i]; - - TotalTxPkt = 0; - TotalTxPktRetry = 0; -} - -void GetDTO_RxInfo(int index, MTO_FUNC_INPUT) -{ - int i; - - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("GetDTOrx\n")); - #endif - - //PDEBUG(("[MTO]:DTO_Rx_Info[%d]=%d, rx_ok_count=%d\n", index, DTO_Rx_Info[0][index], phw_data->rx_ok_count[0])); - for(i=0;i<13;i++) - DTO_Rx_Info[i][index] = abs(MTO_HAL()->rx_ok_count[i] - DTO_Rx_Info[i][index]); - if(DTO_Rx_Info[0][index]==0) DTO_Rx_Info[0][index] = 1; - - for(i=0;i<13;i++) - DTO_RxCRCFail_Info[i][index] = MTO_HAL()->rx_err_count[i] - DTO_RxCRCFail_Info[i][index]; - - TxPktPerAnt[index] = TotalTxPkt; - TxPktRetryPerAnt[index] = TotalTxPktRetry; - TotalTxPkt = 0; - TotalTxPktRetry = 0; -} - -unsigned char TxDominate(int index) -{ - int tmp; - - tmp = TxPktPerAnt[index] + DTO_Rx_Info[0][index]; - - if(Divide(TxPktPerAnt[index]*100, tmp) > 40) - return true; - else - return false; -} - -unsigned char CmpTxRetryRate(int index1, int index2) -{ - int tx_retry_rate1, tx_retry_rate2; - tx_retry_rate1 = Divide((TxPktRetryPerAnt[index1] - TxPktPerAnt[index1])*100, TxPktRetryPerAnt[index1]); - tx_retry_rate2 = Divide((TxPktRetryPerAnt[index2] - TxPktPerAnt[index2])*100, TxPktRetryPerAnt[index2]); - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("[MTO]:TxRetry Ant0: (%d%%) Ant1: (%d%%) \n ", tx_retry_rate1, tx_retry_rate2)); - #endif - - if(tx_retry_rate1 > tx_retry_rate2) - return true; - else - return false; -} - -void GetFreshAntennaData(MTO_FUNC_INPUT) -{ - u8 x; - - x = hal_get_antenna_number(MTO_HAL()); - //hal_get_bss_pk_cnt(MTO_HAL()); - //hal_get_est_sq3(MTO_HAL(), 1); - old_antenna[0] = x; - //if this is the function for timer - ResetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA); - if(AntennaToggleBkoffTimer) - AntennaToggleBkoffTimer--; - if (abs(last_rate_ant-MTO_RATE_LEVEL())>1) //backoff timer reset - AntennaToggleBkoffTimer=0; - - if (MTO_ANT_DIVERSITY() != MTO_ANTENNA_DIVERSITY_ON || - MTO_ANT_DIVERSITY_ENABLE() != 1) - AntennaToggleBkoffTimer=1; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("[HHDTO]:**last data rate=%d,now data rate=%d**antenna toggle timer=%d",last_rate_ant,MTO_RATE_LEVEL(),AntennaToggleBkoffTimer)); - #endif - last_rate_ant=MTO_RATE_LEVEL(); - if(AntennaToggleBkoffTimer==0) - { - MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT0; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("[HHDTO]:===state is starting==for antenna toggle===")); - #endif - } - else - MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE; - - if ((MTO_BACKOFF_TMR()!=0)&&(MTO_RATE_LEVEL()>MTO_DataRateAvailableLevel - 3)) - { - MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("[HHDTO]:===the data rate is %d (good)and will not toogle ===",MTO_DATA_RATE()>>1)); - #endif - } - - -} - -int WB_PCR[2]; //packet correct rate - -u8 CalcNewRate(MTO_FUNC_INPUT, u8 old_rate, u32 retry_cnt, u32 tx_frag_cnt) -{ - int i; - u8 new_rate; - u32 retry_rate; - int TxThrouput1, TxThrouput2, TxThrouput3, BestThroupht; - - if(tx_frag_cnt < MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()) //too few packets transmit - { - return 0xff; - } - retry_rate = Divide(retry_cnt * 100, tx_frag_cnt); - - if(retry_rate > 90) retry_rate = 90; //always truncate to 90% due to lookup table size - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("##### Current level =%d, Retry count =%d, Frag count =%d\n", - old_rate, retry_cnt, tx_frag_cnt)); - WBDEBUG(("*##* Retry rate =%d, throughput =%d\n", - retry_rate, Rate_PER_TBL[retry_rate][old_rate])); - WBDEBUG(("TxRateRec.tx_rate =%d, Retry rate = %d, throughput = %d\n", - TxRateRec.tx_rate, TxRateRec.tx_retry_rate, - Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]])); - WBDEBUG(("old_rate-1 =%d, Retry rate = %d, throughput = %d\n", - old_rate-1, retryrate_rec[old_rate-1], - Rate_PER_TBL[retryrate_rec[old_rate-1]][old_rate-1])); - WBDEBUG(("old_rate+1 =%d, Retry rate = %d, throughput = %d\n", - old_rate+1, retryrate_rec[old_rate+1], - Rate_PER_TBL[retryrate_rec[old_rate+1]][old_rate+1])); - #endif - - //following is for record the retry rate at the different data rate - if (abs(retry_rate-retryrate_rec[old_rate])<50)//---the per TH - retryrate_rec[old_rate] = retry_rate; //update retry rate - else - { - for (i=0;i old_rate) //Decrease Tx Rate - { - TxThrouput1 = Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]]; - TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]]; - if(TxThrouput1 > TxThrouput2) - { - new_rate = TxRateRec.tx_rate; - BestThroupht = TxThrouput1; - } - else - { - new_rate = old_rate; - BestThroupht = TxThrouput2; - } - if((old_rate > 0) &&(retry_rate>MTOPARA_TXRATE_DEC_TH())) //Min Rate - { - TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate-1]][Level2PerTbl[old_rate-1]]; - if(BestThroupht < TxThrouput3) - { - new_rate = old_rate - 1; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("--------\n")); - #endif - BestThroupht = TxThrouput3; - } - } - } - else if(TxRateRec.tx_rate < old_rate) //Increase Tx Rate - { - TxThrouput1 = Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]]; - TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]]; - if(TxThrouput1 > TxThrouput2) - { - new_rate = TxRateRec.tx_rate; - BestThroupht = TxThrouput1; - } - else - { - new_rate = old_rate; - BestThroupht = TxThrouput2; - } - if ((old_rate < MTO_DataRateAvailableLevel - 1)&&(retry_rate MTOPARA_TXRETRYRATE_REDUCE()) - TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]-MTOPARA_TXRETRYRATE_REDUCE()][Level2PerTbl[old_rate+1]]; - else - TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]]; - if(BestThroupht < TxThrouput3) - { - new_rate = old_rate + 1; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("++++++++++\n")); - #endif - BestThroupht = TxThrouput3; - } - } - } - else //Tx Rate no change - { - TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]]; - new_rate = old_rate; - BestThroupht = TxThrouput2; - - if (retry_rate MTOPARA_TXRETRYRATE_REDUCE()) - TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]-MTOPARA_TXRETRYRATE_REDUCE()][Level2PerTbl[old_rate+1]]; - else - TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]]; - if(BestThroupht < TxThrouput3) - { - new_rate = old_rate + 1; - BestThroupht = TxThrouput3; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("=++++++++++\n")); - #endif - } - } - } - else - if(old_rate > 0) //Min Rate - { - TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate-1]][Level2PerTbl[old_rate-1]]; - if(BestThroupht < TxThrouput3) - { - new_rate = old_rate - 1; - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("=--------\n")); - #endif - BestThroupht = TxThrouput3; - } - } - } - - if (!LOCAL_IS_IBSS_MODE()) - { - max_rssi_rate = GetMaxRateLevelFromRSSI(); - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("[MTO]:RSSI2Rate=%d\n", MTO_Data_Rate_Tbl[max_rssi_rate])); - #endif - if(new_rate > max_rssi_rate) - new_rate = max_rssi_rate; - } - - //save new rate; - TxRateRec.tx_rate = old_rate; - TxRateRec.tx_retry_rate = (u8) retry_rate; - TxRetryRate = retry_rate; - return new_rate; -} - -void SmoothRSSI(s32 new_rssi) -{ - RSSISmoothed = RSSISmoothed + new_rssi - RSSIBuf[RSSIBufIndex]; - RSSIBuf[RSSIBufIndex] = new_rssi; - RSSIBufIndex = (RSSIBufIndex + 1) % 10; -} - -u8 GetMaxRateLevelFromRSSI(void) -{ - u8 i; - u8 TxRate; - - for(i=0;i RSSI2RateTbl[i].RSSI) - break; - } - #ifdef _PE_DTO_DUMP_ - WBDEBUG(("[MTO]:RSSI=%d\n", Divide(RSSISmoothed, 10))); - #endif - if(i < RSSI2RATE_SIZE) - TxRate = RSSI2RateTbl[i].TxRate; - else - TxRate = 2; //divided by 2 = 1Mbps - - for(i=MTO_DataRateAvailableLevel-1;i>0;i--) - { - if(TxRate >=MTO_Data_Rate_Tbl[i]) - break; - } - return i; -} - //=========================================================================== // Description: // If we enable DTO, we will ignore the tx count with different tx rate from @@ -862,36 +252,3 @@ void MTO_SetTxCount(MTO_FUNC_INPUT, u8 tx_rate, u8 index) PeriodTotalTxPkt ++; PeriodTotalTxPktRetry += (index+1); } - -u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT) -{ - return MTO_DATA_FALLBACK_RATE(); -} - - -//=========================================================================== -// MTO_TxFailed -- -// -// Description: -// Failure of transmitting a packet indicates that certain MTO parmeters -// may need to be adjusted. This function is called when NIC just failed -// to transmit a packet or when MSDULifeTime expired. -// -// Arguments: -// adapter - The pointer to the Miniport adapter Context -// -// Return Value: -// None -//============================================================================ -void MTO_TxFailed(MTO_FUNC_INPUT) -{ - return; -} - -int Divide(int a, int b) -{ - if (b==0) b=1; - return a/b; -} - - diff --git a/drivers/staging/winbond/mto.h b/drivers/staging/winbond/mto.h index 536c4f15c416..0d3775eb2573 100644 --- a/drivers/staging/winbond/mto.h +++ b/drivers/staging/winbond/mto.h @@ -168,7 +168,6 @@ typedef struct _MTO_PARAMETERS #define MTO_PREAMBLE_CHANGE_ENABLE() MTO_DATA().PreambleChangeEnable #define MTO_RATE_LEVEL() MTO_DATA().DataRateLevel -#define MTO_FALLBACK_RATE_LEVEL() MTO_DATA().FallbackRateLevel #define MTO_OFDM_RATE_LEVEL() MTO_DATA().OfdmRateLevel #define MTO_RATE_CHANGE_ENABLE() MTO_DATA().DataRateChangeEnable #define MTO_FRAG_TH_LEVEL() MTO_DATA().FragThresholdLevel @@ -201,11 +200,9 @@ typedef struct _MTO_PARAMETERS //------------------------------------------------ -extern u8 MTO_Data_Rate_Tbl[]; extern u16 MTO_Frag_Th_Tbl[]; #define MTO_DATA_RATE() MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()] -#define MTO_DATA_FALLBACK_RATE() MTO_Data_Rate_Tbl[MTO_FALLBACK_RATE_LEVEL()] //next level #define MTO_FRAG_TH() MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()] typedef struct {