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-rw-r--r--drivers/staging/winbond/mto.c299
1 files changed, 129 insertions, 170 deletions
diff --git a/drivers/staging/winbond/mto.c b/drivers/staging/winbond/mto.c
index 5e7fa1c..9cd2127 100644
--- a/drivers/staging/winbond/mto.c
+++ b/drivers/staging/winbond/mto.c
@@ -1,222 +1,181 @@
-//============================================================================
-// MTO.C -
-//
-// Description:
-// MAC Throughput Optimization for W89C33 802.11g WLAN STA.
-//
-// The following MIB attributes or internal variables will be affected
-// while the MTO is being executed:
-// dot11FragmentationThreshold,
-// dot11RTSThreshold,
-// transmission rate and PLCP preamble type,
-// CCA mode,
-// antenna diversity.
-//
-// Revision history:
-// --------------------------------------------------------------------------
-// 20031227 UN20 Pete Chao
-// First draft
-// 20031229 Turbo copy from PD43
-// 20040210 Kevin revised
-// Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
-//============================================================================
-
-// LA20040210_DTO kevin
+/*
+ * ============================================================================
+ * MTO.C -
+ *
+ * Description:
+ * MAC Throughput Optimization for W89C33 802.11g WLAN STA.
+ *
+ * The following MIB attributes or internal variables will be affected
+ * while the MTO is being executed:
+ * dot11FragmentationThreshold,
+ * dot11RTSThreshold,
+ * transmission rate and PLCP preamble type,
+ * CCA mode,
+ * antenna diversity.
+ *
+ * Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
+ * ============================================================================
+ */
+
#include "sysdef.h"
#include "sme_api.h"
#include "wbhal_f.h"
-// Declare SQ3 to rate and fragmentation threshold table
-// Declare fragmentation thresholds table
-#define MTO_MAX_FRAG_TH_LEVELS 5
-#define MTO_MAX_DATA_RATE_LEVELS 12
+/* Declare SQ3 to rate and fragmentation threshold table */
+/* Declare fragmentation thresholds table */
+#define MTO_MAX_FRAG_TH_LEVELS 5
+#define MTO_MAX_DATA_RATE_LEVELS 12
-u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] =
-{
- 256, 384, 512, 768, 1536
+u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] = {
+ 256, 384, 512, 768, 1536
};
-// Declare data rate table
-//The following table will be changed at anytime if the opration rate supported by AP don't
-//match the table
+/*
+ * Declare data rate table:
+ * The following table will be changed at anytime if the opration rate
+ * supported by AP don't match the table
+ */
static u8 MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = {
- 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
+ 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
};
-static int TotalTxPkt = 0;
-static int TotalTxPktRetry = 0;
-static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];//this record the retry rate at different data rate
+static int TotalTxPkt;
+static int TotalTxPktRetry;
+/* this record the retry rate at different data rate */
+static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];
-static int PeriodTotalTxPkt = 0;
-static int PeriodTotalTxPktRetry = 0;
+static int PeriodTotalTxPkt;
+static int PeriodTotalTxPktRetry;
-static u8 boSparseTxTraffic = false;
+static u8 boSparseTxTraffic;
void MTO_Init(struct wbsoft_priv *adapter);
void TxRateReductionCtrl(struct wbsoft_priv *adapter);
-/** 1.1.31.1000 Turbo modify */
void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 t0, u8 index);
void MTO_TxFailed(struct wbsoft_priv *adapter);
void hal_get_dto_para(struct wbsoft_priv *adapter, char *buffer);
-//===========================================================================
-// MTO_Init --
-//
-// Description:
-// Initialize MTO parameters.
-//
-// This function should be invoked during system initialization.
-//
-// Arguments:
-// adapter - The pointer to the Miniport adapter Context
-//
-// Return Value:
-// None
-//============================================================================
+/*
+ * ===========================================================================
+ * MTO_Init --
+ *
+ * Description:
+ * Initialize MTO parameters.
+ *
+ * This function should be invoked during system initialization.
+ *
+ * Arguments:
+ * adapter - The pointer to the Miniport adapter Context
+ * ===========================================================================
+ */
void MTO_Init(struct wbsoft_priv *adapter)
{
- int i;
-
- //[WKCHEN]MTO_CCA_MODE_SETUP()= (u8) hal_get_cca_mode(MTO_HAL());
- //[WKCHEN]MTO_CCA_MODE() = MTO_CCA_MODE_SETUP();
-
- //MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_LONG;
- MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_SHORT; // for test
-
- MTO_CNT_ANT(0) = 0;
- MTO_CNT_ANT(1) = 0;
- MTO_SQ_ANT(0) = 0;
- MTO_SQ_ANT(1) = 0;
-
- MTO_AGING_TIMEOUT() = 0;
-
- // The following parameters should be initialized to the values set by user
- //
- //MTO_RATE_LEVEL() = 10;
- MTO_RATE_LEVEL() = 0;
- MTO_FRAG_TH_LEVEL() = 4;
- /** 1.1.23.1000 Turbo modify from -1 to +1
- MTO_RTS_THRESHOLD() = MTO_FRAG_TH() - 1;
- MTO_RTS_THRESHOLD_SETUP() = MTO_FRAG_TH() - 1;
- */
- MTO_RTS_THRESHOLD() = MTO_FRAG_TH() + 1;
- MTO_RTS_THRESHOLD_SETUP() = MTO_FRAG_TH() + 1;
- // 1.1.23.1000 Turbo add for mto change preamble from 0 to 1
- MTO_RATE_CHANGE_ENABLE() = 1;
- MTO_FRAG_CHANGE_ENABLE() = 0; // 1.1.29.1000 Turbo add don't support frag
- //The default valud of ANTDIV_DEFAULT_ON will be decided by EEPROM
- //#ifdef ANTDIV_DEFAULT_ON
- //#else
- //#endif
- MTO_POWER_CHANGE_ENABLE() = 1;
- MTO_PREAMBLE_CHANGE_ENABLE()= 1;
- MTO_RTS_CHANGE_ENABLE() = 0; // 1.1.29.1000 Turbo add don't support frag
- // 20040512 Turbo add
- //old_antenna[0] = 1;
- //old_antenna[1] = 0;
- //old_antenna[2] = 1;
- //old_antenna[3] = 0;
- for (i=0;i<MTO_MAX_DATA_RATE_LEVELS;i++)
- retryrate_rec[i]=5;
+ int i;
+
+ MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_SHORT; /* for test */
+
+ MTO_CNT_ANT(0) = 0;
+ MTO_CNT_ANT(1) = 0;
+ MTO_SQ_ANT(0) = 0;
+ MTO_SQ_ANT(1) = 0;
+
+ MTO_AGING_TIMEOUT() = 0;
+
+ /* The following parameters should be initialized to the values set by user */
+ MTO_RATE_LEVEL() = 0;
+ MTO_FRAG_TH_LEVEL() = 4;
+ MTO_RTS_THRESHOLD() = MTO_FRAG_TH() + 1;
+ MTO_RTS_THRESHOLD_SETUP() = MTO_FRAG_TH() + 1;
+ MTO_RATE_CHANGE_ENABLE() = 1;
+ MTO_FRAG_CHANGE_ENABLE() = 0;
+ MTO_POWER_CHANGE_ENABLE() = 1;
+ MTO_PREAMBLE_CHANGE_ENABLE() = 1;
+ MTO_RTS_CHANGE_ENABLE() = 0;
+
+ for (i = 0; i < MTO_MAX_DATA_RATE_LEVELS; i++)
+ retryrate_rec[i] = 5;
MTO_TXFLOWCOUNT() = 0;
- //--------- DTO threshold parameters -------------
- //MTOPARA_PERIODIC_CHECK_CYCLE() = 50;
- MTOPARA_PERIODIC_CHECK_CYCLE() = 10;
- MTOPARA_RSSI_TH_FOR_ANTDIV() = 10;
- MTOPARA_TXCOUNT_TH_FOR_CALC_RATE() = 50;
- MTOPARA_TXRATE_INC_TH() = 10;
- MTOPARA_TXRATE_DEC_TH() = 30;
- MTOPARA_TXRATE_EQ_TH() = 40;
- MTOPARA_TXRATE_BACKOFF() = 12;
- MTOPARA_TXRETRYRATE_REDUCE() = 6;
- if ( MTO_TXPOWER_FROM_EEPROM == 0xff)
- {
- switch( MTO_HAL()->phy_type)
- {
- case RF_AIROHA_2230:
- case RF_AIROHA_2230S: // 20060420 Add this
- MTOPARA_TXPOWER_INDEX() = 46; // MAX-8 // @@ Only for AL 2230
- break;
- case RF_AIROHA_7230:
- MTOPARA_TXPOWER_INDEX() = 49;
- break;
- case RF_WB_242:
- MTOPARA_TXPOWER_INDEX() = 10;
- break;
- case RF_WB_242_1:
- MTOPARA_TXPOWER_INDEX() = 24; // ->10 20060316.1 modify
- break;
+ /* --------- DTO threshold parameters ------------- */
+ MTOPARA_PERIODIC_CHECK_CYCLE() = 10;
+ MTOPARA_RSSI_TH_FOR_ANTDIV() = 10;
+ MTOPARA_TXCOUNT_TH_FOR_CALC_RATE() = 50;
+ MTOPARA_TXRATE_INC_TH() = 10;
+ MTOPARA_TXRATE_DEC_TH() = 30;
+ MTOPARA_TXRATE_EQ_TH() = 40;
+ MTOPARA_TXRATE_BACKOFF() = 12;
+ MTOPARA_TXRETRYRATE_REDUCE() = 6;
+ if (MTO_TXPOWER_FROM_EEPROM == 0xff) {
+ switch (MTO_HAL()->phy_type) {
+ case RF_AIROHA_2230:
+ case RF_AIROHA_2230S:
+ MTOPARA_TXPOWER_INDEX() = 46; /* MAX-8 @@ Only for AL 2230 */
+ break;
+ case RF_AIROHA_7230:
+ MTOPARA_TXPOWER_INDEX() = 49;
+ break;
+ case RF_WB_242:
+ MTOPARA_TXPOWER_INDEX() = 10;
+ break;
+ case RF_WB_242_1:
+ MTOPARA_TXPOWER_INDEX() = 24;
+ break;
}
- }
- else //follow the setting from EEPROM
+ } else { /* follow the setting from EEPROM */
MTOPARA_TXPOWER_INDEX() = MTO_TXPOWER_FROM_EEPROM;
- RFSynthesizer_SetPowerIndex(MTO_HAL(), (u8)MTOPARA_TXPOWER_INDEX());
- //------------------------------------------------
+ }
+ RFSynthesizer_SetPowerIndex(MTO_HAL(), (u8) MTOPARA_TXPOWER_INDEX());
+ /* ------------------------------------------------ */
- // For RSSI turning 20060808.4 Cancel load from EEPROM
+ /* For RSSI turning -- Cancel load from EEPROM */
MTO_DATA().RSSI_high = -41;
MTO_DATA().RSSI_low = -60;
}
-//===========================================================================
-// Description:
-// If we enable DTO, we will ignore the tx count with different tx rate from
-// DTO rate. This is because when we adjust DTO tx rate, there could be some
-// packets in the tx queue with previous tx rate
+/* ===========================================================================
+ * Description:
+ * If we enable DTO, we will ignore the tx count with different tx rate
+ * from DTO rate. This is because when we adjust DTO tx rate, there could
+ * be some packets in the tx queue with previous tx rate
+ */
+
void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 tx_rate, u8 index)
{
MTO_TXFLOWCOUNT()++;
- if ((MTO_ENABLE==1) && (MTO_RATE_CHANGE_ENABLE()==1))
- {
- if(tx_rate == MTO_DATA_RATE())
- {
- if (index == 0)
- {
+ if ((MTO_ENABLE == 1) && (MTO_RATE_CHANGE_ENABLE() == 1)) {
+ if (tx_rate == MTO_DATA_RATE()) {
+ if (index == 0) {
if (boSparseTxTraffic)
MTO_HAL()->dto_tx_frag_count += MTOPARA_PERIODIC_CHECK_CYCLE();
else
MTO_HAL()->dto_tx_frag_count += 1;
- }
- else
- {
- if (index<8)
- {
+ } else {
+ if (index < 8) {
MTO_HAL()->dto_tx_retry_count += index;
- MTO_HAL()->dto_tx_frag_count += (index+1);
- }
- else
- {
+ MTO_HAL()->dto_tx_frag_count += (index + 1);
+ } else {
MTO_HAL()->dto_tx_retry_count += 7;
MTO_HAL()->dto_tx_frag_count += 7;
}
}
- }
- else if(MTO_DATA_RATE()>48 && tx_rate ==48)
- {//ALFRED
- if (index<3) //for reduciing data rate scheme ,
- //do not calcu different data rate
- //3 is the reducing data rate at retry
- {
+ } else if (MTO_DATA_RATE() > 48 && tx_rate == 48) {
+ /* for reducing data rate scheme, do not calculate different data rate. 3 is the reducing data rate at retry. */
+ if (index < 3) {
MTO_HAL()->dto_tx_retry_count += index;
- MTO_HAL()->dto_tx_frag_count += (index+1);
- }
- else
- {
+ MTO_HAL()->dto_tx_frag_count += (index + 1);
+ } else {
MTO_HAL()->dto_tx_retry_count += 3;
MTO_HAL()->dto_tx_frag_count += 3;
}
}
- }
- else
- {
+ } else {
MTO_HAL()->dto_tx_retry_count += index;
- MTO_HAL()->dto_tx_frag_count += (index+1);
+ MTO_HAL()->dto_tx_frag_count += (index + 1);
}
- TotalTxPkt ++;
- TotalTxPktRetry += (index+1);
+ TotalTxPkt++;
+ TotalTxPktRetry += (index + 1);
- PeriodTotalTxPkt ++;
- PeriodTotalTxPktRetry += (index+1);
+ PeriodTotalTxPkt++;
+ PeriodTotalTxPktRetry += (index + 1);
}
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