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android-kvm / linux / fc76a258d41eea7953bb763397c3d1e589d3bb98 / . / drivers / staging / vt6655 / card.c
blob: fbf18e23e78ecb3230cbf45787f3bf91bcc6610b [file] [log] [blame]
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* File: card.c
* Purpose: Provide functions to setup NIC operation mode
* Functions:
* s_vSafeResetTx - Rest Tx
* CARDvSetRSPINF - Set RSPINF
* vUpdateIFS - Update slotTime,SIFS,DIFS, and EIFS
* CARDvUpdateBasicTopRate - Update BasicTopRate
* CARDbAddBasicRate - Add to BasicRateSet
* CARDbSetBasicRate - Set Basic Tx Rate
* CARDbIsOFDMinBasicRate - Check if any OFDM rate is in BasicRateSet
* CARDvSetLoopbackMode - Set Loopback mode
* CARDbSoftwareReset - Sortware reset NIC
* CARDqGetTSFOffset - Calculate TSFOffset
* CARDbGetCurrentTSF - Read Current NIC TSF counter
* CARDqGetNextTBTT - Calculate Next Beacon TSF counter
* CARDvSetFirstNextTBTT - Set NIC Beacon time
* CARDvUpdateNextTBTT - Sync. NIC Beacon time
* CARDbRadioPowerOff - Turn Off NIC Radio Power
* CARDbRadioPowerOn - Turn On NIC Radio Power
* CARDbSetWEPMode - Set NIC Wep mode
* CARDbSetTxPower - Set NIC tx power
*
* Revision History:
* 06-10-2003 Bryan YC Fan: Re-write codes to support VT3253 spec.
* 08-26-2003 Kyle Hsu: Modify the defination type of dwIoBase.
* 09-01-2003 Bryan YC Fan: Add vUpdateIFS().
*
*/
#include "tmacro.h"
#include "card.h"
#include "baseband.h"
#include "mac.h"
#include "desc.h"
#include "rf.h"
#include "vntwifi.h"
#include "power.h"
#include "key.h"
#include "rc4.h"
#include "country.h"
#include "channel.h"
/*--------------------- Static Definitions -------------------------*/
//static int msglevel =MSG_LEVEL_DEBUG;
static int msglevel = MSG_LEVEL_INFO;
#define C_SIFS_A 16 // micro sec.
#define C_SIFS_BG 10
#define C_EIFS 80 // micro sec.
#define C_SLOT_SHORT 9 // micro sec.
#define C_SLOT_LONG 20
#define C_CWMIN_A 15 // slot time
#define C_CWMIN_B 31
#define C_CWMAX 1023 // slot time
#define WAIT_BEACON_TX_DOWN_TMO 3 // Times
//1M, 2M, 5M, 11M, 18M, 24M, 36M, 54M
static unsigned char abyDefaultSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
//6M, 9M, 12M, 48M
static unsigned char abyDefaultExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
//6M, 9M, 12M, 18M, 24M, 36M, 48M, 54M
static unsigned char abyDefaultSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
//1M, 2M, 5M, 11M,
static unsigned char abyDefaultSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
/*--------------------- Static Variables --------------------------*/
const unsigned short cwRXBCNTSFOff[MAX_RATE] =
{17, 17, 17, 17, 34, 23, 17, 11, 8, 5, 4, 3};
/*--------------------- Static Functions --------------------------*/
static
void
s_vCalculateOFDMRParameter(
unsigned char byRate,
CARD_PHY_TYPE ePHYType,
unsigned char *pbyTxRate,
unsigned char *pbyRsvTime
);
/*--------------------- Export Functions --------------------------*/
/*
* Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
*
* Parameters:
* In:
* wRate - Tx Rate
* byPktType - Tx Packet type
* Out:
* pbyTxRate - pointer to RSPINF TxRate field
* pbyRsvTime - pointer to RSPINF RsvTime field
*
* Return Value: none
*
*/
static
void
s_vCalculateOFDMRParameter(
unsigned char byRate,
CARD_PHY_TYPE ePHYType,
unsigned char *pbyTxRate,
unsigned char *pbyRsvTime
)
{
switch (byRate) {
case RATE_6M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x9B;
*pbyRsvTime = 44;
} else {
*pbyTxRate = 0x8B;
*pbyRsvTime = 50;
}
break;
case RATE_9M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x9F;
*pbyRsvTime = 36;
} else {
*pbyTxRate = 0x8F;
*pbyRsvTime = 42;
}
break;
case RATE_12M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x9A;
*pbyRsvTime = 32;
} else {
*pbyTxRate = 0x8A;
*pbyRsvTime = 38;
}
break;
case RATE_18M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x9E;
*pbyRsvTime = 28;
} else {
*pbyTxRate = 0x8E;
*pbyRsvTime = 34;
}
break;
case RATE_36M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x9D;
*pbyRsvTime = 24;
} else {
*pbyTxRate = 0x8D;
*pbyRsvTime = 30;
}
break;
case RATE_48M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x98;
*pbyRsvTime = 24;
} else {
*pbyTxRate = 0x88;
*pbyRsvTime = 30;
}
break;
case RATE_54M:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x9C;
*pbyRsvTime = 24;
} else {
*pbyTxRate = 0x8C;
*pbyRsvTime = 30;
}
break;
case RATE_24M:
default:
if (ePHYType == PHY_TYPE_11A) {//5GHZ
*pbyTxRate = 0x99;
*pbyRsvTime = 28;
} else {
*pbyTxRate = 0x89;
*pbyRsvTime = 34;
}
break;
}
}
/*
* Description: Set RSPINF
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: None.
*
*/
static
void
s_vSetRSPINF(PSDevice pDevice, CARD_PHY_TYPE ePHYType, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
{
unsigned char byServ = 0, bySignal = 0; // For CCK
unsigned short wLen = 0;
unsigned char byTxRate = 0, byRsvTime = 0; // For OFDM
//Set to Page1
MACvSelectPage1(pDevice->PortOffset);
//RSPINF_b_1
BBvCalculateParameter(pDevice,
14,
VNTWIFIbyGetACKTxRate(RATE_1M, pvSupportRateIEs, pvExtSupportRateIEs),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_1, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
///RSPINF_b_2
BBvCalculateParameter(pDevice,
14,
VNTWIFIbyGetACKTxRate(RATE_2M, pvSupportRateIEs, pvExtSupportRateIEs),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_2, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
//RSPINF_b_5
BBvCalculateParameter(pDevice,
14,
VNTWIFIbyGetACKTxRate(RATE_5M, pvSupportRateIEs, pvExtSupportRateIEs),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_5, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
//RSPINF_b_11
BBvCalculateParameter(pDevice,
14,
VNTWIFIbyGetACKTxRate(RATE_11M, pvSupportRateIEs, pvExtSupportRateIEs),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_11, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
//RSPINF_a_6
s_vCalculateOFDMRParameter(RATE_6M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_6, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_9
s_vCalculateOFDMRParameter(RATE_9M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_9, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_12
s_vCalculateOFDMRParameter(RATE_12M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_12, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_18
s_vCalculateOFDMRParameter(RATE_18M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_18, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_24
s_vCalculateOFDMRParameter(RATE_24M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_24, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_36
s_vCalculateOFDMRParameter(
VNTWIFIbyGetACKTxRate(RATE_36M, pvSupportRateIEs, pvExtSupportRateIEs),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_36, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_48
s_vCalculateOFDMRParameter(
VNTWIFIbyGetACKTxRate(RATE_48M, pvSupportRateIEs, pvExtSupportRateIEs),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_48, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_54
s_vCalculateOFDMRParameter(
VNTWIFIbyGetACKTxRate(RATE_54M, pvSupportRateIEs, pvExtSupportRateIEs),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_54, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_72
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_72, MAKEWORD(byTxRate, byRsvTime));
//Set to Page0
MACvSelectPage0(pDevice->PortOffset);
}
/*--------------------- Export Functions --------------------------*/
/*
* Description: Card Send packet function
*
* Parameters:
* In:
* pDeviceHandler - The adapter to be set
* pPacket - Packet buffer pointer
* ePktType - Packet type
* uLength - Packet length
* Out:
* none
*
* Return Value: true if succeeded; false if failed.
*
*/
/*
bool CARDbSendPacket (void *pDeviceHandler, void *pPacket, CARD_PKT_TYPE ePktType, unsigned int uLength) {
PSDevice pDevice = (PSDevice) pDeviceHandler;
if (ePktType == PKT_TYPE_802_11_MNG) {
return TXbTD0Send(pDevice, pPacket, uLength);
} else if (ePktType == PKT_TYPE_802_11_BCN) {
return TXbBeaconSend(pDevice, pPacket, uLength);
} if (ePktType == PKT_TYPE_802_11_DATA) {
return TXbTD1Send(pDevice, pPacket, uLength);
}
return true;
}
*/
/*
* Description: Get Card short preamble option value
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: true if short preamble; otherwise false
*
*/
bool CARDbIsShortPreamble(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
if (pDevice->byPreambleType == 0) {
return false;
}
return true;
}
/*
* Description: Get Card short slot time option value
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: true if short slot time; otherwise false
*
*/
bool CARDbIsShorSlotTime(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
return pDevice->bShortSlotTime;
}
/*
* Description: Update IFS
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: None.
*
*/
bool CARDbSetPhyParameter(void *pDeviceHandler, CARD_PHY_TYPE ePHYType, unsigned short wCapInfo, unsigned char byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned char byCWMaxMin = 0;
unsigned char bySlot = 0;
unsigned char bySIFS = 0;
unsigned char byDIFS = 0;
unsigned char byData;
// PWLAN_IE_SUPP_RATES pRates = NULL;
PWLAN_IE_SUPP_RATES pSupportRates = (PWLAN_IE_SUPP_RATES) pvSupportRateIEs;
PWLAN_IE_SUPP_RATES pExtSupportRates = (PWLAN_IE_SUPP_RATES) pvExtSupportRateIEs;
//Set SIFS, DIFS, EIFS, SlotTime, CwMin
if (ePHYType == PHY_TYPE_11A) {
if (pSupportRates == NULL) {
pSupportRates = (PWLAN_IE_SUPP_RATES) abyDefaultSuppRatesA;
}
if (pDevice->byRFType == RF_AIROHA7230) {
// AL7230 use single PAPE and connect to PAPE_2.4G
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11G);
pDevice->abyBBVGA[0] = 0x20;
pDevice->abyBBVGA[2] = 0x10;
pDevice->abyBBVGA[3] = 0x10;
BBbReadEmbedded(pDevice->PortOffset, 0xE7, &byData);
if (byData == 0x1C) {
BBbWriteEmbedded(pDevice->PortOffset, 0xE7, pDevice->abyBBVGA[0]);
}
} else if (pDevice->byRFType == RF_UW2452) {
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11A);
pDevice->abyBBVGA[0] = 0x18;
BBbReadEmbedded(pDevice->PortOffset, 0xE7, &byData);
if (byData == 0x14) {
BBbWriteEmbedded(pDevice->PortOffset, 0xE7, pDevice->abyBBVGA[0]);
BBbWriteEmbedded(pDevice->PortOffset, 0xE1, 0x57);
}
} else {
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11A);
}
BBbWriteEmbedded(pDevice->PortOffset, 0x88, 0x03);
bySlot = C_SLOT_SHORT;
bySIFS = C_SIFS_A;
byDIFS = C_SIFS_A + 2*C_SLOT_SHORT;
byCWMaxMin = 0xA4;
} else if (ePHYType == PHY_TYPE_11B) {
if (pSupportRates == NULL) {
pSupportRates = (PWLAN_IE_SUPP_RATES) abyDefaultSuppRatesB;
}
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11B);
if (pDevice->byRFType == RF_AIROHA7230) {
pDevice->abyBBVGA[0] = 0x1C;
pDevice->abyBBVGA[2] = 0x00;
pDevice->abyBBVGA[3] = 0x00;
BBbReadEmbedded(pDevice->PortOffset, 0xE7, &byData);
if (byData == 0x20) {
BBbWriteEmbedded(pDevice->PortOffset, 0xE7, pDevice->abyBBVGA[0]);
}
} else if (pDevice->byRFType == RF_UW2452) {
pDevice->abyBBVGA[0] = 0x14;
BBbReadEmbedded(pDevice->PortOffset, 0xE7, &byData);
if (byData == 0x18) {
BBbWriteEmbedded(pDevice->PortOffset, 0xE7, pDevice->abyBBVGA[0]);
BBbWriteEmbedded(pDevice->PortOffset, 0xE1, 0xD3);
}
}
BBbWriteEmbedded(pDevice->PortOffset, 0x88, 0x02);
bySlot = C_SLOT_LONG;
bySIFS = C_SIFS_BG;
byDIFS = C_SIFS_BG + 2*C_SLOT_LONG;
byCWMaxMin = 0xA5;
} else {// PK_TYPE_11GA & PK_TYPE_11GB
if (pSupportRates == NULL) {
pSupportRates = (PWLAN_IE_SUPP_RATES) abyDefaultSuppRatesG;
pExtSupportRates = (PWLAN_IE_SUPP_RATES) abyDefaultExtSuppRatesG;
}
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11G);
if (pDevice->byRFType == RF_AIROHA7230) {
pDevice->abyBBVGA[0] = 0x1C;
pDevice->abyBBVGA[2] = 0x00;
pDevice->abyBBVGA[3] = 0x00;
BBbReadEmbedded(pDevice->PortOffset, 0xE7, &byData);
if (byData == 0x20) {
BBbWriteEmbedded(pDevice->PortOffset, 0xE7, pDevice->abyBBVGA[0]);
}
} else if (pDevice->byRFType == RF_UW2452) {
pDevice->abyBBVGA[0] = 0x14;
BBbReadEmbedded(pDevice->PortOffset, 0xE7, &byData);
if (byData == 0x18) {
BBbWriteEmbedded(pDevice->PortOffset, 0xE7, pDevice->abyBBVGA[0]);
BBbWriteEmbedded(pDevice->PortOffset, 0xE1, 0xD3);
}
}
BBbWriteEmbedded(pDevice->PortOffset, 0x88, 0x08);
bySIFS = C_SIFS_BG;
if (VNTWIFIbIsShortSlotTime(wCapInfo)) {
bySlot = C_SLOT_SHORT;
byDIFS = C_SIFS_BG + 2*C_SLOT_SHORT;
} else {
bySlot = C_SLOT_LONG;
byDIFS = C_SIFS_BG + 2*C_SLOT_LONG;
}
if (VNTWIFIbyGetMaxSupportRate(pSupportRates, pExtSupportRates) > RATE_11M) {
byCWMaxMin = 0xA4;
} else {
byCWMaxMin = 0xA5;
}
if (pDevice->bProtectMode != VNTWIFIbIsProtectMode(byERPField)) {
pDevice->bProtectMode = VNTWIFIbIsProtectMode(byERPField);
if (pDevice->bProtectMode) {
MACvEnableProtectMD(pDevice->PortOffset);
} else {
MACvDisableProtectMD(pDevice->PortOffset);
}
}
if (pDevice->bBarkerPreambleMd != VNTWIFIbIsBarkerMode(byERPField)) {
pDevice->bBarkerPreambleMd = VNTWIFIbIsBarkerMode(byERPField);
if (pDevice->bBarkerPreambleMd) {
MACvEnableBarkerPreambleMd(pDevice->PortOffset);
} else {
MACvDisableBarkerPreambleMd(pDevice->PortOffset);
}
}
}
if (pDevice->byRFType == RF_RFMD2959) {
// bcs TX_PE will reserve 3 us
// hardware's processing time here is 2 us.
bySIFS -= 3;
byDIFS -= 3;
//{{ RobertYu: 20041202
//// TX_PE will reserve 3 us for MAX2829 A mode only, it is for better TX throughput
//// MAC will need 2 us to process, so the SIFS, DIFS can be shorter by 2 us.
}
if (pDevice->bySIFS != bySIFS) {
pDevice->bySIFS = bySIFS;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, pDevice->bySIFS);
}
if (pDevice->byDIFS != byDIFS) {
pDevice->byDIFS = byDIFS;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, pDevice->byDIFS);
}
if (pDevice->byEIFS != C_EIFS) {
pDevice->byEIFS = C_EIFS;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_EIFS, pDevice->byEIFS);
}
if (pDevice->bySlot != bySlot) {
pDevice->bySlot = bySlot;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SLOT, pDevice->bySlot);
if (pDevice->bySlot == C_SLOT_SHORT) {
pDevice->bShortSlotTime = true;
} else {
pDevice->bShortSlotTime = false;
}
BBvSetShortSlotTime(pDevice);
}
if (pDevice->byCWMaxMin != byCWMaxMin) {
pDevice->byCWMaxMin = byCWMaxMin;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_CWMAXMIN0, pDevice->byCWMaxMin);
}
if (VNTWIFIbIsShortPreamble(wCapInfo)) {
pDevice->byPreambleType = pDevice->byShortPreamble;
} else {
pDevice->byPreambleType = 0;
}
s_vSetRSPINF(pDevice, ePHYType, pSupportRates, pExtSupportRates);
pDevice->eCurrentPHYType = ePHYType;
// set for NDIS OID_802_11SUPPORTED_RATES
return true;
}
/*
* Description: Sync. TSF counter to BSS
* Get TSF offset and write to HW
*
* Parameters:
* In:
* pDevice - The adapter to be sync.
* byRxRate - data rate of receive beacon
* qwBSSTimestamp - Rx BCN's TSF
* qwLocalTSF - Local TSF
* Out:
* none
*
* Return Value: none
*
*/
bool CARDbUpdateTSF(void *pDeviceHandler, unsigned char byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
QWORD qwTSFOffset;
HIDWORD(qwTSFOffset) = 0;
LODWORD(qwTSFOffset) = 0;
if ((HIDWORD(qwBSSTimestamp) != HIDWORD(qwLocalTSF)) ||
(LODWORD(qwBSSTimestamp) != LODWORD(qwLocalTSF))) {
qwTSFOffset = CARDqGetTSFOffset(byRxRate, qwBSSTimestamp, qwLocalTSF);
// adjust TSF
// HW's TSF add TSF Offset reg
VNSvOutPortD(pDevice->PortOffset + MAC_REG_TSFOFST, LODWORD(qwTSFOffset));
VNSvOutPortD(pDevice->PortOffset + MAC_REG_TSFOFST + 4, HIDWORD(qwTSFOffset));
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_TSFSYNCEN);
}
return true;
}
/*
* Description: Set NIC TSF counter for first Beacon time
* Get NEXTTBTT from adjusted TSF and Beacon Interval
*
* Parameters:
* In:
* pDevice - The adapter to be set.
* wBeaconInterval - Beacon Interval
* Out:
* none
*
* Return Value: true if succeed; otherwise false
*
*/
bool CARDbSetBeaconPeriod(void *pDeviceHandler, unsigned short wBeaconInterval)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int uBeaconInterval = 0;
unsigned int uLowNextTBTT = 0;
unsigned int uHighRemain = 0;
unsigned int uLowRemain = 0;
QWORD qwNextTBTT;
HIDWORD(qwNextTBTT) = 0;
LODWORD(qwNextTBTT) = 0;
CARDbGetCurrentTSF(pDevice->PortOffset, &qwNextTBTT); //Get Local TSF counter
uBeaconInterval = wBeaconInterval * 1024;
// Next TBTT = ((local_current_TSF / beacon_interval) + 1) * beacon_interval
uLowNextTBTT = (LODWORD(qwNextTBTT) >> 10) << 10;
uLowRemain = (uLowNextTBTT) % uBeaconInterval;
// high dword (mod) bcn
uHighRemain = (((0xffffffff % uBeaconInterval) + 1) * HIDWORD(qwNextTBTT))
% uBeaconInterval;
uLowRemain = (uHighRemain + uLowRemain) % uBeaconInterval;
uLowRemain = uBeaconInterval - uLowRemain;
// check if carry when add one beacon interval
if ((~uLowNextTBTT) < uLowRemain) {
HIDWORD(qwNextTBTT)++;
}
LODWORD(qwNextTBTT) = uLowNextTBTT + uLowRemain;
// set HW beacon interval
VNSvOutPortW(pDevice->PortOffset + MAC_REG_BI, wBeaconInterval);
pDevice->wBeaconInterval = wBeaconInterval;
// Set NextTBTT
VNSvOutPortD(pDevice->PortOffset + MAC_REG_NEXTTBTT, LODWORD(qwNextTBTT));
VNSvOutPortD(pDevice->PortOffset + MAC_REG_NEXTTBTT + 4, HIDWORD(qwNextTBTT));
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
return true;
}
/*
* Description: Card Stop Hardware Tx
*
* Parameters:
* In:
* pDeviceHandler - The adapter to be set
* ePktType - Packet type to stop
* Out:
* none
*
* Return Value: true if all data packet complete; otherwise false.
*
*/
bool CARDbStopTxPacket(void *pDeviceHandler, CARD_PKT_TYPE ePktType)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
if (ePktType == PKT_TYPE_802_11_ALL) {
pDevice->bStopBeacon = true;
pDevice->bStopTx0Pkt = true;
pDevice->bStopDataPkt = true;
} else if (ePktType == PKT_TYPE_802_11_BCN) {
pDevice->bStopBeacon = true;
} else if (ePktType == PKT_TYPE_802_11_MNG) {
pDevice->bStopTx0Pkt = true;
} else if (ePktType == PKT_TYPE_802_11_DATA) {
pDevice->bStopDataPkt = true;
}
if (pDevice->bStopBeacon == true) {
if (pDevice->bIsBeaconBufReadySet == true) {
if (pDevice->cbBeaconBufReadySetCnt < WAIT_BEACON_TX_DOWN_TMO) {
pDevice->cbBeaconBufReadySetCnt++;
return false;
}
}
pDevice->bIsBeaconBufReadySet = false;
pDevice->cbBeaconBufReadySetCnt = 0;
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
}
// wait all TD0 complete
if (pDevice->bStopTx0Pkt == true) {
if (pDevice->iTDUsed[TYPE_TXDMA0] != 0) {
return false;
}
}
// wait all Data TD complete
if (pDevice->bStopDataPkt == true) {
if (pDevice->iTDUsed[TYPE_AC0DMA] != 0) {
return false;
}
}
return true;
}
/*
* Description: Card Start Hardware Tx
*
* Parameters:
* In:
* pDeviceHandler - The adapter to be set
* ePktType - Packet type to start
* Out:
* none
*
* Return Value: true if success; false if failed.
*
*/
bool CARDbStartTxPacket(void *pDeviceHandler, CARD_PKT_TYPE ePktType)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
if (ePktType == PKT_TYPE_802_11_ALL) {
pDevice->bStopBeacon = false;
pDevice->bStopTx0Pkt = false;
pDevice->bStopDataPkt = false;
} else if (ePktType == PKT_TYPE_802_11_BCN) {
pDevice->bStopBeacon = false;
} else if (ePktType == PKT_TYPE_802_11_MNG) {
pDevice->bStopTx0Pkt = false;
} else if (ePktType == PKT_TYPE_802_11_DATA) {
pDevice->bStopDataPkt = false;
}
if ((pDevice->bStopBeacon == false) &&
(pDevice->bBeaconBufReady == true) &&
(pDevice->eOPMode == OP_MODE_ADHOC)) {
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
}
return true;
}
/*
* Description: Card Set BSSID value
*
* Parameters:
* In:
* pDeviceHandler - The adapter to be set
* pbyBSSID - pointer to BSSID field
* bAdhoc - flag to indicate IBSS
* Out:
* none
*
* Return Value: true if success; false if failed.
*
*/
bool CARDbSetBSSID(void *pDeviceHandler, unsigned char *pbyBSSID, CARD_OP_MODE eOPMode)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
MACvWriteBSSIDAddress(pDevice->PortOffset, pbyBSSID);
memcpy(pDevice->abyBSSID, pbyBSSID, WLAN_BSSID_LEN);
if (eOPMode == OP_MODE_ADHOC) {
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC);
} else {
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC);
}
if (eOPMode == OP_MODE_AP) {
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP);
} else {
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP);
}
if (eOPMode == OP_MODE_UNKNOWN) {
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_RCR, RCR_BSSID);
pDevice->bBSSIDFilter = false;
pDevice->byRxMode &= ~RCR_BSSID;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wcmd: rx_mode = %x\n", pDevice->byRxMode);
} else {
if (is_zero_ether_addr(pDevice->abyBSSID) == false) {
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_RCR, RCR_BSSID);
pDevice->bBSSIDFilter = true;
pDevice->byRxMode |= RCR_BSSID;
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wmgr: rx_mode = %x\n", pDevice->byRxMode);
}
// Adopt BSS state in Adapter Device Object
pDevice->eOPMode = eOPMode;
return true;
}
/*
* Description: Card indicate status
*
* Parameters:
* In:
* pDeviceHandler - The adapter to be set
* eStatus - Status
* Out:
* none
*
* Return Value: true if success; false if failed.
*
*/
/*
* Description: Save Assoc info. contain in assoc. response frame
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wCapabilityInfo - Capability information
* wStatus - Status code
* wAID - Assoc. ID
* uLen - Length of IEs
* pbyIEs - pointer to IEs
* Out:
* none
*
* Return Value: true if succeed; otherwise false
*
*/
bool CARDbSetTxDataRate(
void *pDeviceHandler,
unsigned short wDataRate
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
pDevice->wCurrentRate = wDataRate;
return true;
}
/*+
*
* Routine Description:
* Consider to power down when no more packets to tx or rx.
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: true if power down success; otherwise false
*
-*/
bool
CARDbPowerDown(
void *pDeviceHandler
)
{
PSDevice pDevice = (PSDevice)pDeviceHandler;
unsigned int uIdx;
// check if already in Doze mode
if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS))
return true;
// Froce PSEN on
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN);
// check if all TD are empty,
for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx++) {
if (pDevice->iTDUsed[uIdx] != 0)
return false;
}
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_GO2DOZE);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Go to Doze ZZZZZZZZZZZZZZZ\n");
return true;
}
/*
* Description: Turn off Radio power
*
* Parameters:
* In:
* pDevice - The adapter to be turned off
* Out:
* none
*
* Return Value: true if success; otherwise false
*
*/
bool CARDbRadioPowerOff(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice)pDeviceHandler;
bool bResult = true;
if (pDevice->bRadioOff == true)
return true;
switch (pDevice->byRFType) {
case RF_RFMD2959:
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_TXPEINV);
MACvWordRegBitsOn(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE1);
break;
case RF_AIROHA:
case RF_AL2230S:
case RF_AIROHA7230: //RobertYu:20050104
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE2);
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE3);
break;
}
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON);
BBvSetDeepSleep(pDevice->PortOffset, pDevice->byLocalID);
pDevice->bRadioOff = true;
//2007-0409-03,<Add> by chester
printk("chester power off\n");
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); //LED issue
return bResult;
}
/*
* Description: Turn on Radio power
*
* Parameters:
* In:
* pDevice - The adapter to be turned on
* Out:
* none
*
* Return Value: true if success; otherwise false
*
*/
bool CARDbRadioPowerOn(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
bool bResult = true;
printk("chester power on\n");
if (pDevice->bRadioControlOff == true) {
if (pDevice->bHWRadioOff == true) printk("chester bHWRadioOff\n");
if (pDevice->bRadioControlOff == true) printk("chester bRadioControlOff\n");
return false; }
if (pDevice->bRadioOff == false) {
printk("chester pbRadioOff\n");
return true; }
BBvExitDeepSleep(pDevice->PortOffset, pDevice->byLocalID);
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON);
switch (pDevice->byRFType) {
case RF_RFMD2959:
MACvWordRegBitsOn(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_TXPEINV);
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE1);
break;
case RF_AIROHA:
case RF_AL2230S:
case RF_AIROHA7230: //RobertYu:20050104
MACvWordRegBitsOn(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, (SOFTPWRCTL_SWPE2 |
SOFTPWRCTL_SWPE3));
break;
}
pDevice->bRadioOff = false;
// 2007-0409-03,<Add> by chester
printk("chester power on\n");
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); //LED issue
return bResult;
}
bool CARDbRemoveKey(void *pDeviceHandler, unsigned char *pbyBSSID)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
KeybRemoveAllKey(&(pDevice->sKey), pbyBSSID, pDevice->PortOffset);
return true;
}
/*
*
* Description:
* Add BSSID in PMKID Candidate list.
*
* Parameters:
* In:
* hDeviceContext - device structure point
* pbyBSSID - BSSID address for adding
* wRSNCap - BSS's RSN capability
* Out:
* none
*
* Return Value: none.
*
-*/
bool
CARDbAdd_PMKID_Candidate(
void *pDeviceHandler,
unsigned char *pbyBSSID,
bool bRSNCapExist,
unsigned short wRSNCap
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
PPMKID_CANDIDATE pCandidateList;
unsigned int ii = 0;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bAdd_PMKID_Candidate START: (%d)\n", (int)pDevice->gsPMKIDCandidate.NumCandidates);
if (pDevice->gsPMKIDCandidate.NumCandidates >= MAX_PMKIDLIST) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vFlush_PMKID_Candidate: 3\n");
memset(&pDevice->gsPMKIDCandidate, 0, sizeof(SPMKIDCandidateEvent));
}
for (ii = 0; ii < 6; ii++) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%02X ", *(pbyBSSID + ii));
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "\n");
// Update Old Candidate
for (ii = 0; ii < pDevice->gsPMKIDCandidate.NumCandidates; ii++) {
pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[ii];
if (!memcmp(pCandidateList->BSSID, pbyBSSID, ETH_ALEN)) {
if ((bRSNCapExist == true) && (wRSNCap & BIT0)) {
pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
} else {
pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
}
return true;
}
}
// New Candidate
pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[pDevice->gsPMKIDCandidate.NumCandidates];
if ((bRSNCapExist == true) && (wRSNCap & BIT0)) {
pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
} else {
pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED);
}
memcpy(pCandidateList->BSSID, pbyBSSID, ETH_ALEN);
pDevice->gsPMKIDCandidate.NumCandidates++;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "NumCandidates:%d\n", (int)pDevice->gsPMKIDCandidate.NumCandidates);
return true;
}
void *
CARDpGetCurrentAddress(
void *pDeviceHandler
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
return pDevice->abyCurrentNetAddr;
}
/*
*
* Description:
* Start Spectrum Measure defined in 802.11h
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
-*/
bool
CARDbStartMeasure(
void *pDeviceHandler,
void *pvMeasureEIDs,
unsigned int uNumOfMeasureEIDs
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
PWLAN_IE_MEASURE_REQ pEID = (PWLAN_IE_MEASURE_REQ) pvMeasureEIDs;
QWORD qwCurrTSF;
QWORD qwStartTSF;
bool bExpired = true;
unsigned short wDuration = 0;
if ((pEID == NULL) ||
(uNumOfMeasureEIDs == 0)) {
return true;
}
CARDbGetCurrentTSF(pDevice->PortOffset, &qwCurrTSF);
if (pDevice->bMeasureInProgress == true) {
pDevice->bMeasureInProgress = false;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_RCR, pDevice->byOrgRCR);
MACvSelectPage1(pDevice->PortOffset);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_MAR0, pDevice->dwOrgMAR0);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_MAR4, pDevice->dwOrgMAR4);
// clear measure control
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_MSRCTL, MSRCTL_EN);
MACvSelectPage0(pDevice->PortOffset);
set_channel(pDevice, pDevice->byOrgChannel);
MACvSelectPage1(pDevice->PortOffset);
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MSRCTL+1, MSRCTL1_TXPAUSE);
MACvSelectPage0(pDevice->PortOffset);
}
pDevice->uNumOfMeasureEIDs = uNumOfMeasureEIDs;
do {
pDevice->pCurrMeasureEID = pEID;
pEID++;
pDevice->uNumOfMeasureEIDs--;
if (pDevice->byLocalID > REV_ID_VT3253_B1) {
HIDWORD(qwStartTSF) = HIDWORD(*((PQWORD)(pDevice->pCurrMeasureEID->sReq.abyStartTime)));
LODWORD(qwStartTSF) = LODWORD(*((PQWORD)(pDevice->pCurrMeasureEID->sReq.abyStartTime)));
wDuration = *((unsigned short *)(pDevice->pCurrMeasureEID->sReq.abyDuration));
wDuration += 1; // 1 TU for channel switching
if ((LODWORD(qwStartTSF) == 0) && (HIDWORD(qwStartTSF) == 0)) {
// start immediately by setting start TSF == current TSF + 2 TU
LODWORD(qwStartTSF) = LODWORD(qwCurrTSF) + 2048;
HIDWORD(qwStartTSF) = HIDWORD(qwCurrTSF);
if (LODWORD(qwCurrTSF) > LODWORD(qwStartTSF)) {
HIDWORD(qwStartTSF)++;
}
bExpired = false;
break;
} else {
// start at setting start TSF - 1TU(for channel switching)
if (LODWORD(qwStartTSF) < 1024) {
HIDWORD(qwStartTSF)--;
}
LODWORD(qwStartTSF) -= 1024;
}
if ((HIDWORD(qwCurrTSF) < HIDWORD(qwStartTSF)) ||
((HIDWORD(qwCurrTSF) == HIDWORD(qwStartTSF)) &&
(LODWORD(qwCurrTSF) < LODWORD(qwStartTSF)))
) {
bExpired = false;
break;
}
VNTWIFIbMeasureReport(pDevice->pMgmt,
false,
pDevice->pCurrMeasureEID,
MEASURE_MODE_LATE,
pDevice->byBasicMap,
pDevice->byCCAFraction,
pDevice->abyRPIs
);
} else {
// hardware do not support measure
VNTWIFIbMeasureReport(pDevice->pMgmt,
false,
pDevice->pCurrMeasureEID,
MEASURE_MODE_INCAPABLE,
pDevice->byBasicMap,
pDevice->byCCAFraction,
pDevice->abyRPIs
);
}
} while (pDevice->uNumOfMeasureEIDs != 0);
if (bExpired == false) {
MACvSelectPage1(pDevice->PortOffset);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_MSRSTART, LODWORD(qwStartTSF));
VNSvOutPortD(pDevice->PortOffset + MAC_REG_MSRSTART + 4, HIDWORD(qwStartTSF));
VNSvOutPortW(pDevice->PortOffset + MAC_REG_MSRDURATION, wDuration);
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MSRCTL, MSRCTL_EN);
MACvSelectPage0(pDevice->PortOffset);
} else {
// all measure start time expired we should complete action
VNTWIFIbMeasureReport(pDevice->pMgmt,
true,
NULL,
0,
pDevice->byBasicMap,
pDevice->byCCAFraction,
pDevice->abyRPIs
);
}
return true;
}
/*
*
* Description:
* Do Channel Switch defined in 802.11h
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
-*/
bool
CARDbChannelSwitch(
void *pDeviceHandler,
unsigned char byMode,
unsigned char byNewChannel,
unsigned char byCount
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
bool bResult = true;
if (byCount == 0) {
bResult = set_channel(pDevice, byNewChannel);
VNTWIFIbChannelSwitch(pDevice->pMgmt, byNewChannel);
MACvSelectPage1(pDevice->PortOffset);
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MSRCTL+1, MSRCTL1_TXPAUSE);
MACvSelectPage0(pDevice->PortOffset);
return bResult;
}
pDevice->byChannelSwitchCount = byCount;
pDevice->byNewChannel = byNewChannel;
pDevice->bChannelSwitch = true;
if (byMode == 1) {
bResult = CARDbStopTxPacket(pDevice, PKT_TYPE_802_11_ALL);
}
return bResult;
}
/*
*
* Description:
* Handle Quiet EID defined in 802.11h
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
-*/
bool
CARDbSetQuiet(
void *pDeviceHandler,
bool bResetQuiet,
unsigned char byQuietCount,
unsigned char byQuietPeriod,
unsigned short wQuietDuration,
unsigned short wQuietOffset
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int ii = 0;
if (bResetQuiet == true) {
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_MSRCTL, (MSRCTL_QUIETTXCHK | MSRCTL_QUIETEN));
for (ii = 0; ii < MAX_QUIET_COUNT; ii++) {
pDevice->sQuiet[ii].bEnable = false;
}
pDevice->uQuietEnqueue = 0;
pDevice->bEnableFirstQuiet = false;
pDevice->bQuietEnable = false;
pDevice->byQuietStartCount = byQuietCount;
}
if (pDevice->sQuiet[pDevice->uQuietEnqueue].bEnable == false) {
pDevice->sQuiet[pDevice->uQuietEnqueue].bEnable = true;
pDevice->sQuiet[pDevice->uQuietEnqueue].byPeriod = byQuietPeriod;
pDevice->sQuiet[pDevice->uQuietEnqueue].wDuration = wQuietDuration;
pDevice->sQuiet[pDevice->uQuietEnqueue].dwStartTime = (unsigned long) byQuietCount;
pDevice->sQuiet[pDevice->uQuietEnqueue].dwStartTime *= pDevice->wBeaconInterval;
pDevice->sQuiet[pDevice->uQuietEnqueue].dwStartTime += wQuietOffset;
pDevice->uQuietEnqueue++;
pDevice->uQuietEnqueue %= MAX_QUIET_COUNT;
if (pDevice->byQuietStartCount < byQuietCount) {
pDevice->byQuietStartCount = byQuietCount;
}
} else {
// we can not handle Quiet EID more
}
return true;
}
/*
*
* Description:
* Do Quiet, It will be called by either ISR(after start)
* or VNTWIFI(before start) so we do not need a SPINLOCK
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
-*/
bool
CARDbStartQuiet(
void *pDeviceHandler
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int ii = 0;
unsigned long dwStartTime = 0xFFFFFFFF;
unsigned int uCurrentQuietIndex = 0;
unsigned long dwNextTime = 0;
unsigned long dwGap = 0;
unsigned long dwDuration = 0;
for (ii = 0; ii < MAX_QUIET_COUNT; ii++) {
if ((pDevice->sQuiet[ii].bEnable == true) &&
(dwStartTime > pDevice->sQuiet[ii].dwStartTime)) {
dwStartTime = pDevice->sQuiet[ii].dwStartTime;
uCurrentQuietIndex = ii;
}
}
if (dwStartTime == 0xFFFFFFFF) {
// no more quiet
pDevice->bQuietEnable = false;
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_MSRCTL, (MSRCTL_QUIETTXCHK | MSRCTL_QUIETEN));
} else {
if (pDevice->bQuietEnable == false) {
// first quiet
pDevice->byQuietStartCount--;
dwNextTime = pDevice->sQuiet[uCurrentQuietIndex].dwStartTime;
dwNextTime %= pDevice->wBeaconInterval;
MACvSelectPage1(pDevice->PortOffset);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_QUIETINIT, (unsigned short) dwNextTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_QUIETDUR, (unsigned short) pDevice->sQuiet[uCurrentQuietIndex].wDuration);
if (pDevice->byQuietStartCount == 0) {
pDevice->bEnableFirstQuiet = false;
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MSRCTL, (MSRCTL_QUIETTXCHK | MSRCTL_QUIETEN));
} else {
pDevice->bEnableFirstQuiet = true;
}
MACvSelectPage0(pDevice->PortOffset);
} else {
if (pDevice->dwCurrentQuietEndTime > pDevice->sQuiet[uCurrentQuietIndex].dwStartTime) {
// overlap with previous Quiet
dwGap = pDevice->dwCurrentQuietEndTime - pDevice->sQuiet[uCurrentQuietIndex].dwStartTime;
if (dwGap >= pDevice->sQuiet[uCurrentQuietIndex].wDuration) {
// return false to indicate next quiet expired, should call this function again
return false;
}
dwDuration = pDevice->sQuiet[uCurrentQuietIndex].wDuration - dwGap;
dwGap = 0;
} else {
dwGap = pDevice->sQuiet[uCurrentQuietIndex].dwStartTime - pDevice->dwCurrentQuietEndTime;
dwDuration = pDevice->sQuiet[uCurrentQuietIndex].wDuration;
}
// set GAP and Next duration
MACvSelectPage1(pDevice->PortOffset);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_QUIETGAP, (unsigned short) dwGap);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_QUIETDUR, (unsigned short) dwDuration);
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MSRCTL, MSRCTL_QUIETRPT);
MACvSelectPage0(pDevice->PortOffset);
}
pDevice->bQuietEnable = true;
pDevice->dwCurrentQuietEndTime = pDevice->sQuiet[uCurrentQuietIndex].dwStartTime;
pDevice->dwCurrentQuietEndTime += pDevice->sQuiet[uCurrentQuietIndex].wDuration;
if (pDevice->sQuiet[uCurrentQuietIndex].byPeriod == 0) {
// not period disable current quiet element
pDevice->sQuiet[uCurrentQuietIndex].bEnable = false;
} else {
// set next period start time
dwNextTime = (unsigned long) pDevice->sQuiet[uCurrentQuietIndex].byPeriod;
dwNextTime *= pDevice->wBeaconInterval;
pDevice->sQuiet[uCurrentQuietIndex].dwStartTime = dwNextTime;
}
if (pDevice->dwCurrentQuietEndTime > 0x80010000) {
// decreament all time to avoid wrap around
for (ii = 0; ii < MAX_QUIET_COUNT; ii++) {
if (pDevice->sQuiet[ii].bEnable == true) {
pDevice->sQuiet[ii].dwStartTime -= 0x80000000;
}
}
pDevice->dwCurrentQuietEndTime -= 0x80000000;
}
}
return true;
}
/*
*
* Description:
* Set Local Power Constraint
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
-*/
void
CARDvSetPowerConstraint(
void *pDeviceHandler,
unsigned char byChannel,
char byPower
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
if (byChannel > CB_MAX_CHANNEL_24G) {
if (pDevice->bCountryInfo5G == true) {
pDevice->abyLocalPwr[byChannel] = pDevice->abyRegPwr[byChannel] - byPower;
}
} else {
if (pDevice->bCountryInfo24G == true) {
pDevice->abyLocalPwr[byChannel] = pDevice->abyRegPwr[byChannel] - byPower;
}
}
}
/*
*
* Description:
* Set Local Power Constraint
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
-*/
void
CARDvGetPowerCapability(
void *pDeviceHandler,
unsigned char *pbyMinPower,
unsigned char *pbyMaxPower
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned char byDec = 0;
*pbyMaxPower = pDevice->abyOFDMDefaultPwr[pDevice->byCurrentCh];
byDec = pDevice->abyOFDMPwrTbl[pDevice->byCurrentCh];
if (pDevice->byRFType == RF_UW2452) {
byDec *= 3;
byDec >>= 1;
} else {
byDec <<= 1;
}
*pbyMinPower = pDevice->abyOFDMDefaultPwr[pDevice->byCurrentCh] - byDec;
}
/*
*
* Description:
* Get Current Tx Power
*
* Parameters:
* In:
* hDeviceContext - device structure point
* Out:
* none
*
* Return Value: none.
*
*/
char
CARDbyGetTransmitPower(
void *pDeviceHandler
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
return pDevice->byCurPwrdBm;
}
//xxx
void
CARDvSafeResetTx(
void *pDeviceHandler
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int uu;
PSTxDesc pCurrTD;
// initialize TD index
pDevice->apTailTD[0] = pDevice->apCurrTD[0] = &(pDevice->apTD0Rings[0]);
pDevice->apTailTD[1] = pDevice->apCurrTD[1] = &(pDevice->apTD1Rings[0]);
for (uu = 0; uu < TYPE_MAXTD; uu++)
pDevice->iTDUsed[uu] = 0;
for (uu = 0; uu < pDevice->sOpts.nTxDescs[0]; uu++) {
pCurrTD = &(pDevice->apTD0Rings[uu]);
pCurrTD->m_td0TD0.f1Owner = OWNED_BY_HOST;
// init all Tx Packet pointer to NULL
}
for (uu = 0; uu < pDevice->sOpts.nTxDescs[1]; uu++) {
pCurrTD = &(pDevice->apTD1Rings[uu]);
pCurrTD->m_td0TD0.f1Owner = OWNED_BY_HOST;
// init all Tx Packet pointer to NULL
}
// set MAC TD pointer
MACvSetCurrTXDescAddr(TYPE_TXDMA0, pDevice->PortOffset,
(pDevice->td0_pool_dma));
MACvSetCurrTXDescAddr(TYPE_AC0DMA, pDevice->PortOffset,
(pDevice->td1_pool_dma));
// set MAC Beacon TX pointer
MACvSetCurrBCNTxDescAddr(pDevice->PortOffset,
(pDevice->tx_beacon_dma));
}
/*+
*
* Description:
* Reset Rx
*
* Parameters:
* In:
* pDevice - Pointer to the adapter
* Out:
* none
*
* Return Value: none
*
-*/
void
CARDvSafeResetRx(
void *pDeviceHandler
)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int uu;
PSRxDesc pDesc;
// initialize RD index
pDevice->pCurrRD[0] = &(pDevice->aRD0Ring[0]);
pDevice->pCurrRD[1] = &(pDevice->aRD1Ring[0]);
// init state, all RD is chip's
for (uu = 0; uu < pDevice->sOpts.nRxDescs0; uu++) {
pDesc = &(pDevice->aRD0Ring[uu]);
pDesc->m_rd0RD0.wResCount = (unsigned short)(pDevice->rx_buf_sz);
pDesc->m_rd0RD0.f1Owner = OWNED_BY_NIC;
pDesc->m_rd1RD1.wReqCount = (unsigned short)(pDevice->rx_buf_sz);
}
// init state, all RD is chip's
for (uu = 0; uu < pDevice->sOpts.nRxDescs1; uu++) {
pDesc = &(pDevice->aRD1Ring[uu]);
pDesc->m_rd0RD0.wResCount = (unsigned short)(pDevice->rx_buf_sz);
pDesc->m_rd0RD0.f1Owner = OWNED_BY_NIC;
pDesc->m_rd1RD1.wReqCount = (unsigned short)(pDevice->rx_buf_sz);
}
pDevice->cbDFCB = CB_MAX_RX_FRAG;
pDevice->cbFreeDFCB = pDevice->cbDFCB;
// set perPkt mode
MACvRx0PerPktMode(pDevice->PortOffset);
MACvRx1PerPktMode(pDevice->PortOffset);
// set MAC RD pointer
MACvSetCurrRx0DescAddr(pDevice->PortOffset,
pDevice->rd0_pool_dma);
MACvSetCurrRx1DescAddr(pDevice->PortOffset,
pDevice->rd1_pool_dma);
}
/*
* Description: Get response Control frame rate in CCK mode
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wRateIdx - Receiving data rate
* Out:
* none
*
* Return Value: response Control frame rate
*
*/
unsigned short CARDwGetCCKControlRate(void *pDeviceHandler, unsigned short wRateIdx)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int ui = (unsigned int) wRateIdx;
while (ui > RATE_1M) {
if (pDevice->wBasicRate & ((unsigned short)1 << ui)) {
return (unsigned short)ui;
}
ui--;
}
return (unsigned short)RATE_1M;
}
/*
* Description: Get response Control frame rate in OFDM mode
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wRateIdx - Receiving data rate
* Out:
* none
*
* Return Value: response Control frame rate
*
*/
unsigned short CARDwGetOFDMControlRate(void *pDeviceHandler, unsigned short wRateIdx)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned int ui = (unsigned int) wRateIdx;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BASIC RATE: %X\n", pDevice->wBasicRate);
if (!CARDbIsOFDMinBasicRate((void *)pDevice)) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CARDwGetOFDMControlRate:(NO OFDM) %d\n", wRateIdx);
if (wRateIdx > RATE_24M)
wRateIdx = RATE_24M;
return wRateIdx;
}
while (ui > RATE_11M) {
if (pDevice->wBasicRate & ((unsigned short)1 << ui)) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CARDwGetOFDMControlRate : %d\n", ui);
return (unsigned short)ui;
}
ui--;
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CARDwGetOFDMControlRate: 6M\n");
return (unsigned short)RATE_24M;
}
/*
* Description: Set RSPINF
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: None.
*
*/
void CARDvSetRSPINF(void *pDeviceHandler, CARD_PHY_TYPE ePHYType)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned char byServ = 0x00, bySignal = 0x00; //For CCK
unsigned short wLen = 0x0000;
unsigned char byTxRate, byRsvTime; //For OFDM
//Set to Page1
MACvSelectPage1(pDevice->PortOffset);
//RSPINF_b_1
BBvCalculateParameter(pDevice,
14,
CARDwGetCCKControlRate((void *)pDevice, RATE_1M),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_1, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
///RSPINF_b_2
BBvCalculateParameter(pDevice,
14,
CARDwGetCCKControlRate((void *)pDevice, RATE_2M),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_2, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
//RSPINF_b_5
BBvCalculateParameter(pDevice,
14,
CARDwGetCCKControlRate((void *)pDevice, RATE_5M),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_5, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
//RSPINF_b_11
BBvCalculateParameter(pDevice,
14,
CARDwGetCCKControlRate((void *)pDevice, RATE_11M),
PK_TYPE_11B,
&wLen,
&byServ,
&bySignal
);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_11, MAKEDWORD(wLen, MAKEWORD(bySignal, byServ)));
//RSPINF_a_6
s_vCalculateOFDMRParameter(RATE_6M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_6, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_9
s_vCalculateOFDMRParameter(RATE_9M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_9, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_12
s_vCalculateOFDMRParameter(RATE_12M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_12, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_18
s_vCalculateOFDMRParameter(RATE_18M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_18, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_24
s_vCalculateOFDMRParameter(RATE_24M,
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_24, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_36
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_36M),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_36, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_48
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_48M),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_48, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_54
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_54M),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_54, MAKEWORD(byTxRate, byRsvTime));
//RSPINF_a_72
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_54M),
ePHYType,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_72, MAKEWORD(byTxRate, byRsvTime));
//Set to Page0
MACvSelectPage0(pDevice->PortOffset);
}
/*
* Description: Update IFS
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: None.
*
*/
void vUpdateIFS(void *pDeviceHandler)
{
//Set SIFS, DIFS, EIFS, SlotTime, CwMin
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned char byMaxMin = 0;
if (pDevice->byPacketType == PK_TYPE_11A) {//0000 0000 0000 0000,11a
pDevice->uSlot = C_SLOT_SHORT;
pDevice->uSIFS = C_SIFS_A;
pDevice->uDIFS = C_SIFS_A + 2*C_SLOT_SHORT;
pDevice->uCwMin = C_CWMIN_A;
byMaxMin = 4;
} else if (pDevice->byPacketType == PK_TYPE_11B) {//0000 0001 0000 0000,11b
pDevice->uSlot = C_SLOT_LONG;
pDevice->uSIFS = C_SIFS_BG;
pDevice->uDIFS = C_SIFS_BG + 2*C_SLOT_LONG;
pDevice->uCwMin = C_CWMIN_B;
byMaxMin = 5;
} else { // PK_TYPE_11GA & PK_TYPE_11GB
pDevice->uSIFS = C_SIFS_BG;
if (pDevice->bShortSlotTime) {
pDevice->uSlot = C_SLOT_SHORT;
} else {
pDevice->uSlot = C_SLOT_LONG;
}
pDevice->uDIFS = C_SIFS_BG + 2*pDevice->uSlot;
if (pDevice->wBasicRate & 0x0150) { //0000 0001 0101 0000,24M,12M,6M
pDevice->uCwMin = C_CWMIN_A;
byMaxMin = 4;
} else {
pDevice->uCwMin = C_CWMIN_B;
byMaxMin = 5;
}
}
pDevice->uCwMax = C_CWMAX;
pDevice->uEIFS = C_EIFS;
if (pDevice->byRFType == RF_RFMD2959) {
// bcs TX_PE will reserve 3 us
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, (unsigned char)(pDevice->uSIFS - 3));
VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, (unsigned char)(pDevice->uDIFS - 3));
} else {
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, (unsigned char)pDevice->uSIFS);
VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, (unsigned char)pDevice->uDIFS);
}
VNSvOutPortB(pDevice->PortOffset + MAC_REG_EIFS, (unsigned char)pDevice->uEIFS);
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SLOT, (unsigned char)pDevice->uSlot);
byMaxMin |= 0xA0;//1010 1111,C_CWMAX = 1023
VNSvOutPortB(pDevice->PortOffset + MAC_REG_CWMAXMIN0, (unsigned char)byMaxMin);
}
void CARDvUpdateBasicTopRate(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned char byTopOFDM = RATE_24M, byTopCCK = RATE_1M;
unsigned char ii;
//Determines the highest basic rate.
for (ii = RATE_54M; ii >= RATE_6M; ii--) {
if ((pDevice->wBasicRate) & ((unsigned short)(1<<ii))) {
byTopOFDM = ii;
break;
}
}
pDevice->byTopOFDMBasicRate = byTopOFDM;
for (ii = RATE_11M;; ii--) {
if ((pDevice->wBasicRate) & ((unsigned short)(1<<ii))) {
byTopCCK = ii;
break;
}
if (ii == RATE_1M)
break;
}
pDevice->byTopCCKBasicRate = byTopCCK;
}
/*
* Description: Set NIC Tx Basic Rate
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wBasicRate - Basic Rate to be set
* Out:
* none
*
* Return Value: true if succeeded; false if failed.
*
*/
bool CARDbAddBasicRate(void *pDeviceHandler, unsigned short wRateIdx)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
unsigned short wRate = (unsigned short)(1<<wRateIdx);
pDevice->wBasicRate |= wRate;
//Determines the highest basic rate.
CARDvUpdateBasicTopRate((void *)pDevice);
return true;
}
bool CARDbIsOFDMinBasicRate(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice)pDeviceHandler;
int ii;
for (ii = RATE_54M; ii >= RATE_6M; ii--) {
if ((pDevice->wBasicRate) & ((unsigned short)(1 << ii)))
return true;
}
return false;
}
unsigned char CARDbyGetPktType(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
if (pDevice->byBBType == BB_TYPE_11A || pDevice->byBBType == BB_TYPE_11B) {
return (unsigned char)pDevice->byBBType;
} else if (CARDbIsOFDMinBasicRate((void *)pDevice)) {
return PK_TYPE_11GA;
} else {
return PK_TYPE_11GB;
}
}
/*
* Description: Set NIC Loopback mode
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wLoopbackMode - Loopback mode to be set
* Out:
* none
*
* Return Value: none
*
*/
void CARDvSetLoopbackMode(unsigned long dwIoBase, unsigned short wLoopbackMode)
{
switch (wLoopbackMode) {
case CARD_LB_NONE:
case CARD_LB_MAC:
case CARD_LB_PHY:
break;
default:
ASSERT(false);
break;
}
// set MAC loopback
MACvSetLoopbackMode(dwIoBase, LOBYTE(wLoopbackMode));
// set Baseband loopback
}
/*
* Description: Software Reset NIC
*
* Parameters:
* In:
* pDevice - The adapter to be reset
* Out:
* none
*
* Return Value: none
*
*/
bool CARDbSoftwareReset(void *pDeviceHandler)
{
PSDevice pDevice = (PSDevice) pDeviceHandler;
// reset MAC
if (!MACbSafeSoftwareReset(pDevice->PortOffset))
return false;
return true;
}
/*
* Description: Calculate TSF offset of two TSF input
* Get TSF Offset from RxBCN's TSF and local TSF
*
* Parameters:
* In:
* pDevice - The adapter to be sync.
* qwTSF1 - Rx BCN's TSF
* qwTSF2 - Local TSF
* Out:
* none
*
* Return Value: TSF Offset value
*
*/
QWORD CARDqGetTSFOffset(unsigned char byRxRate, QWORD qwTSF1, QWORD qwTSF2)
{
QWORD qwTSFOffset;
unsigned short wRxBcnTSFOffst = 0;
HIDWORD(qwTSFOffset) = 0;
LODWORD(qwTSFOffset) = 0;
wRxBcnTSFOffst = cwRXBCNTSFOff[byRxRate%MAX_RATE];
(qwTSF2).u.dwLowDword += (unsigned long)(wRxBcnTSFOffst);
if ((qwTSF2).u.dwLowDword < (unsigned long)(wRxBcnTSFOffst)) {
(qwTSF2).u.dwHighDword++;
}
LODWORD(qwTSFOffset) = LODWORD(qwTSF1) - LODWORD(qwTSF2);
if (LODWORD(qwTSF1) < LODWORD(qwTSF2)) {
// if borrow needed
HIDWORD(qwTSFOffset) = HIDWORD(qwTSF1) - HIDWORD(qwTSF2) - 1;
} else {
HIDWORD(qwTSFOffset) = HIDWORD(qwTSF1) - HIDWORD(qwTSF2);
};
return qwTSFOffset;
}
/*
* Description: Read NIC TSF counter
* Get local TSF counter
*
* Parameters:
* In:
* pDevice - The adapter to be read
* Out:
* qwCurrTSF - Current TSF counter
*
* Return Value: true if success; otherwise false
*
*/
bool CARDbGetCurrentTSF(unsigned long dwIoBase, PQWORD pqwCurrTSF)
{
unsigned short ww;
unsigned char byData;
MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD);
for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
VNSvInPortB(dwIoBase + MAC_REG_TFTCTL, &byData);
if (!(byData & TFTCTL_TSFCNTRRD))
break;
}
if (ww == W_MAX_TIMEOUT)
return false;
VNSvInPortD(dwIoBase + MAC_REG_TSFCNTR, &LODWORD(*pqwCurrTSF));
VNSvInPortD(dwIoBase + MAC_REG_TSFCNTR + 4, &HIDWORD(*pqwCurrTSF));
return true;
}
/*
* Description: Read NIC TSF counter
* Get NEXTTBTT from adjusted TSF and Beacon Interval
*
* Parameters:
* In:
* qwTSF - Current TSF counter
* wbeaconInterval - Beacon Interval
* Out:
* qwCurrTSF - Current TSF counter
*
* Return Value: TSF value of next Beacon
*
*/
QWORD CARDqGetNextTBTT(QWORD qwTSF, unsigned short wBeaconInterval)
{
unsigned int uLowNextTBTT;
unsigned int uHighRemain, uLowRemain;
unsigned int uBeaconInterval;
uBeaconInterval = wBeaconInterval * 1024;
// Next TBTT = ((local_current_TSF / beacon_interval) + 1) * beacon_interval
uLowNextTBTT = (LODWORD(qwTSF) >> 10) << 10;
// low dword (mod) bcn
uLowRemain = (uLowNextTBTT) % uBeaconInterval;
// uHighRemain = ((0x80000000 % uBeaconInterval)* 2 * HIDWORD(qwTSF))
// % uBeaconInterval;
// high dword (mod) bcn
uHighRemain = (((0xffffffff % uBeaconInterval) + 1) * HIDWORD(qwTSF))
% uBeaconInterval;
uLowRemain = (uHighRemain + uLowRemain) % uBeaconInterval;
uLowRemain = uBeaconInterval - uLowRemain;
// check if carry when add one beacon interval
if ((~uLowNextTBTT) < uLowRemain)
HIDWORD(qwTSF)++;
LODWORD(qwTSF) = uLowNextTBTT + uLowRemain;
return qwTSF;
}
/*
* Description: Set NIC TSF counter for first Beacon time
* Get NEXTTBTT from adjusted TSF and Beacon Interval
*
* Parameters:
* In:
* dwIoBase - IO Base
* wBeaconInterval - Beacon Interval
* Out:
* none
*
* Return Value: none
*
*/
void CARDvSetFirstNextTBTT(unsigned long dwIoBase, unsigned short wBeaconInterval)
{
QWORD qwNextTBTT;
HIDWORD(qwNextTBTT) = 0;
LODWORD(qwNextTBTT) = 0;
CARDbGetCurrentTSF(dwIoBase, &qwNextTBTT); //Get Local TSF counter
qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval);
// Set NextTBTT
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT, LODWORD(qwNextTBTT));
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT + 4, HIDWORD(qwNextTBTT));
MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
//DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Card:First Next TBTT[%8xh:%8xh] \n", HIDWORD(qwNextTBTT), LODWORD(qwNextTBTT));
return;
}
/*
* Description: Sync NIC TSF counter for Beacon time
* Get NEXTTBTT and write to HW
*
* Parameters:
* In:
* pDevice - The adapter to be set
* qwTSF - Current TSF counter
* wBeaconInterval - Beacon Interval
* Out:
* none
*
* Return Value: none
*
*/
void CARDvUpdateNextTBTT(unsigned long dwIoBase, QWORD qwTSF, unsigned short wBeaconInterval)
{
qwTSF = CARDqGetNextTBTT(qwTSF, wBeaconInterval);
// Set NextTBTT
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT, LODWORD(qwTSF));
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT + 4, HIDWORD(qwTSF));
MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Card:Update Next TBTT[%8xh:%8xh] \n",
(unsigned int) HIDWORD(qwTSF), (unsigned int) LODWORD(qwTSF));
return;
}