#include "wbhal_f.h"
#include "wblinux_f.h"
-void
-Mds_reset_descriptor(struct wbsoft_priv * adapter)
-{
- PMDS pMds = &adapter->Mds;
-
- pMds->TxPause = 0;
- atomic_set(&pMds->TxThreadCount, 0);
- pMds->TxFillIndex = 0;
- pMds->TxDesIndex = 0;
- pMds->ScanTxPause = 0;
- memset(pMds->TxOwner, 0, ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03));
-}
-
unsigned char
Mds_initial(struct wbsoft_priv * adapter)
{
vRxTimerStop(adapter);
}
-void
-Mds_Tx(struct wbsoft_priv * adapter)
+static void Mds_DurationSet(struct wbsoft_priv *adapter, PDESCRIPTOR pDes, u8 *buffer)
{
- phw_data_t pHwData = &adapter->sHwData;
- PMDS pMds = &adapter->Mds;
- DESCRIPTOR TxDes;
- PDESCRIPTOR pTxDes = &TxDes;
- u8 *XmitBufAddress;
- u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
- u8 FillIndex, TxDesIndex, FragmentCount, FillCount;
- unsigned char BufferFilled = false, MICAdd = 0;
-
+ PT00_DESCRIPTOR pT00;
+ PT01_DESCRIPTOR pT01;
+ u16 Duration, NextBodyLen, OffsetSize;
+ u8 Rate, i;
+ unsigned char CTS_on = false, RTS_on = false;
+ PT00_DESCRIPTOR pNextT00;
+ u16 BodyLen = 0;
+ unsigned char boGroupAddr = false;
- if (pMds->TxPause)
- return;
- if (!hal_driver_init_OK(pHwData))
- return;
+ OffsetSize = pDes->FragmentThreshold + 32 + 3;
+ OffsetSize &= ~0x03;
+ Rate = pDes->TxRate >> 1;
+ if (!Rate)
+ Rate = 1;
- //Only one thread can be run here
- if (!atomic_inc_return(&pMds->TxThreadCount) == 1)
- goto cleanup;
+ pT00 = (PT00_DESCRIPTOR)buffer;
+ pT01 = (PT01_DESCRIPTOR)(buffer+4);
+ pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
- // Start to fill the data
- do {
- FillIndex = pMds->TxFillIndex;
- if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No
-#ifdef _PE_TX_DUMP_
- WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n"));
-#endif
- break;
- }
+ if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr
+ boGroupAddr = true;
- XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer
- XmitBufSize = 0;
- FillCount = 0;
- do {
- PacketSize = adapter->sMlmeFrame.len;
- if (!PacketSize)
- break;
+ //========================================
+ // Set RTS/CTS mechanism
+ //========================================
+ if (!boGroupAddr)
+ {
+ //NOTE : If the protection mode is enabled and the MSDU will be fragmented,
+ // the tx rates of MPDUs will all be DSSS rates. So it will not use
+ // CTS-to-self in this case. CTS-To-self will only be used when without
+ // fragmentation. -- 20050112
+ BodyLen = (u16)pT00->T00_frame_length; //include 802.11 header
+ BodyLen += 4; //CRC
- //For Check the buffer resource
- FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
- //931130.5.b
- FragmentCount = PacketSize/FragmentThreshold + 1;
- stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC
- if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
- printk("[Mds_Tx] Excess max tx buffer.\n");
- break; // buffer is not enough
+ if( BodyLen >= CURRENT_RTS_THRESHOLD )
+ RTS_on = true; // Using RTS
+ else
+ {
+ if( pT01->T01_modulation_type ) // Is using OFDM
+ {
+ if( CURRENT_PROTECT_MECHANISM ) // Is using protect
+ CTS_on = true; // Using CTS
}
+ }
+ }
+ if( RTS_on || CTS_on )
+ {
+ if( pT01->T01_modulation_type) // Is using OFDM
+ {
+ //CTS duration
+ // 2 SIFS + DATA transmit time + 1 ACK
+ // ACK Rate : 24 Mega bps
+ // ACK frame length = 14 bytes
+ Duration = 2*DEFAULT_SIFSTIME +
+ 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
+ ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
+ ((112 + 22 + 95)/96)*Tsym;
+ }
+ else //DSSS
+ {
+ //CTS duration
+ // 2 SIFS + DATA transmit time + 1 ACK
+ // Rate : ?? Mega bps
+ // ACK frame length = 14 bytes
+ if( pT01->T01_plcp_header_length ) //long preamble
+ Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
+ else
+ Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
- //
- // Start transmitting
- //
- BufferFilled = true;
+ Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate +
+ DEFAULT_SIFSTIME*2 );
+ }
- /* Leaves first u8 intact */
- memset((u8 *)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1);
+ if( RTS_on )
+ {
+ if( pT01->T01_modulation_type ) // Is using OFDM
+ {
+ //CTS + 1 SIFS + CTS duration
+ //CTS Rate : 24 Mega bps
+ //CTS frame length = 14 bytes
+ Duration += (DEFAULT_SIFSTIME +
+ PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
+ ((112 + 22 + 95)/96)*Tsym);
+ }
+ else
+ {
+ //CTS + 1 SIFS + CTS duration
+ //CTS Rate : ?? Mega bps
+ //CTS frame length = 14 bytes
+ if( pT01->T01_plcp_header_length ) //long preamble
+ Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
+ else
+ Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
- TxDesIndex = pMds->TxDesIndex;//Get the current ID
- pTxDes->Descriptor_ID = TxDesIndex;
- pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from
- pMds->TxDesIndex++;
- pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;
+ Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME );
+ }
+ }
- MLME_GetNextPacket( adapter, pTxDes );
+ // Set the value into USB descriptor
+ pT01->T01_add_rts = RTS_on ? 1 : 0;
+ pT01->T01_add_cts = CTS_on ? 1 : 0;
+ pT01->T01_rts_cts_duration = Duration;
+ }
- // Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type
- Mds_HeaderCopy( adapter, pTxDes, XmitBufAddress );
+ //=====================================
+ // Fill the more fragment descriptor
+ //=====================================
+ if( boGroupAddr )
+ Duration = 0;
+ else
+ {
+ for( i=pDes->FragmentCount-1; i>0; i-- )
+ {
+ NextBodyLen = (u16)pNextT00->T00_frame_length;
+ NextBodyLen += 4; //CRC
- // For speed up Key setting
- if (pTxDes->EapFix) {
-#ifdef _PE_TX_DUMP_
- WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize));
-#endif
- pHwData->IsKeyPreSet = 1;
+ if( pT01->T01_modulation_type )
+ {
+ //OFDM
+ // data transmit time + 3 SIFS + 2 ACK
+ // Rate : ??Mega bps
+ // ACK frame length = 14 bytes, tx rate = 24M
+ Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
+ Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
+ (((2*14)*8 + 22 + 95)/96)*Tsym +
+ DEFAULT_SIFSTIME*3);
}
+ else
+ {
+ //DSSS
+ // data transmit time + 2 ACK + 3 SIFS
+ // Rate : ??Mega bps
+ // ACK frame length = 14 bytes
+ //TODO :
+ if( pT01->T01_plcp_header_length ) //long preamble
+ Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
+ else
+ Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
- // Copy (fragment) frame body, and set USB, 802.11 hdr flag
- CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress);
-
- // Set RTS/CTS and Normal duration field into buffer
- Mds_DurationSet(adapter, pTxDes, XmitBufAddress);
+ Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
+ DEFAULT_SIFSTIME*3 );
+ }
- //
- // Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte
- // 931130.5.e
- if (MICAdd)
- Mds_MicFill( adapter, pTxDes, XmitBufAddress );
+ ((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
- //Shift to the next address
- XmitBufSize += CurrentSize;
- XmitBufAddress += CurrentSize;
+ //----20061009 add by anson's endian
+ pNextT00->value = cpu_to_le32(pNextT00->value);
+ pT01->value = cpu_to_le32( pT01->value );
+ //----end 20061009 add by anson's endian
-#ifdef _IBSS_BEACON_SEQ_STICK_
- if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr
-#endif
- pMds->TxToggle = true;
+ buffer += OffsetSize;
+ pT01 = (PT01_DESCRIPTOR)(buffer+4);
+ if (i != 1) //The last fragment will not have the next fragment
+ pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
+ }
- // Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data
- MLME_SendComplete(adapter, 0, true);
+ //=====================================
+ // Fill the last fragment descriptor
+ //=====================================
+ if( pT01->T01_modulation_type )
+ {
+ //OFDM
+ // 1 SIFS + 1 ACK
+ // Rate : 24 Mega bps
+ // ACK frame length = 14 bytes
+ Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
+ //The Tx rate of ACK use 24M
+ Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME );
+ }
+ else
+ {
+ // DSSS
+ // 1 ACK + 1 SIFS
+ // Rate : ?? Mega bps
+ // ACK frame length = 14 bytes(112 bits)
+ if( pT01->T01_plcp_header_length ) //long preamble
+ Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
+ else
+ Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
- // Software TSC count 20060214
- pMds->TxTsc++;
- if (pMds->TxTsc == 0)
- pMds->TxTsc_2++;
+ Duration += ( (112 + Rate-1)/Rate + DEFAULT_SIFSTIME );
+ }
+ }
- FillCount++; // 20060928
- } while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. false = single true = multiple sending
+ ((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+ pT00->value = cpu_to_le32(pT00->value);
+ pT01->value = cpu_to_le32(pT01->value);
+ //--end 20061009 add
- // Move to the next one, if necessary
- if (BufferFilled) {
- // size setting
- pMds->TxBufferSize[ FillIndex ] = XmitBufSize;
+}
- // 20060928 set Tx count
- pMds->TxCountInBuffer[FillIndex] = FillCount;
+// The function return the 4n size of usb pk
+static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, PDESCRIPTOR pDes, u8 *TargetBuffer)
+{
+ PT00_DESCRIPTOR pT00;
+ PMDS pMds = &adapter->Mds;
+ u8 *buffer;
+ u8 *src_buffer;
+ u8 *pctmp;
+ u16 Size = 0;
+ u16 SizeLeft, CopySize, CopyLeft, stmp;
+ u8 buf_index, FragmentCount = 0;
- // Set owner flag
- pMds->TxOwner[FillIndex] = 1;
- pMds->TxFillIndex++;
- pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER;
- BufferFilled = false;
+ // Copy fragment body
+ buffer = TargetBuffer; // shift 8B usb + 24B 802.11
+ SizeLeft = pDes->buffer_total_size;
+ buf_index = pDes->buffer_start_index;
+
+ pT00 = (PT00_DESCRIPTOR)buffer;
+ while (SizeLeft) {
+ pT00 = (PT00_DESCRIPTOR)buffer;
+ CopySize = SizeLeft;
+ if (SizeLeft > pDes->FragmentThreshold) {
+ CopySize = pDes->FragmentThreshold;
+ pT00->T00_frame_length = 24 + CopySize;//Set USB length
} else
- break;
+ pT00->T00_frame_length = 24 + SizeLeft;//Set USB length
- if (!PacketSize) // No more pk for transmitting
- break;
+ SizeLeft -= CopySize;
- } while(true);
+ // 1 Byte operation
+ pctmp = (u8 *)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
+ *pctmp &= 0xf0;
+ *pctmp |= FragmentCount;//931130.5.m
+ if( !FragmentCount )
+ pT00->T00_first_mpdu = 1;
- //
- // Start to send by lower module
- //
- if (!pHwData->IsKeyPreSet)
- Wb35Tx_start(adapter);
+ buffer += 32; // 8B usb + 24B 802.11 header
+ Size += 32;
- cleanup:
- atomic_dec(&pMds->TxThreadCount);
-}
+ // Copy into buffer
+ stmp = CopySize + 3;
+ stmp &= ~0x03;//4n Alignment
+ Size += stmp;// Current 4n offset of mpdu
-void
-Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02)
-{
- PMDS pMds = &adapter->Mds;
- phw_data_t pHwData = &adapter->sHwData;
- u8 PacketId = (u8)pT02->T02_Tx_PktID;
- unsigned char SendOK = true;
- u8 RetryCount, TxRate;
+ while (CopySize) {
+ // Copy body
+ src_buffer = pDes->buffer_address[buf_index];
+ CopyLeft = CopySize;
+ if (CopySize >= pDes->buffer_size[buf_index]) {
+ CopyLeft = pDes->buffer_size[buf_index];
- if (pT02->T02_IgnoreResult) // Don't care the result
- return;
- if (pT02->T02_IsLastMpdu) {
- //TODO: DTO -- get the retry count and fragment count
- // Tx rate
- TxRate = pMds->TxRate[ PacketId ][ 0 ];
- RetryCount = (u8)pT02->T02_MPDU_Cnt;
- if (pT02->value & FLAG_ERROR_TX_MASK) {
- SendOK = false;
+ // Get the next buffer of descriptor
+ buf_index++;
+ buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
+ } else {
+ u8 *pctmp = pDes->buffer_address[buf_index];
+ pctmp += CopySize;
+ pDes->buffer_address[buf_index] = pctmp;
+ pDes->buffer_size[buf_index] -= CopySize;
+ }
- if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
- //retry error
- pHwData->dto_tx_retry_count += (RetryCount+1);
- //[for tx debug]
- if (RetryCount<7)
- pHwData->tx_retry_count[RetryCount] += RetryCount;
- else
- pHwData->tx_retry_count[7] += RetryCount;
- #ifdef _PE_STATE_DUMP_
- WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count));
- #endif
- MTO_SetTxCount(adapter, TxRate, RetryCount);
+ memcpy(buffer, src_buffer, CopyLeft);
+ buffer += CopyLeft;
+ CopySize -= CopyLeft;
+ }
+
+ // 931130.5.n
+ if (pMds->MicAdd) {
+ if (!SizeLeft) {
+ pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd;
+ pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd;
+ pMds->MicAdd = 0;
}
- pHwData->dto_tx_frag_count += (RetryCount+1);
+ else if( SizeLeft < 8 ) //931130.5.p
+ {
+ pMds->MicAdd = SizeLeft;
+ pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft );
+ pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft;
+ pMds->MicWriteIndex++;
+ }
+ }
- //[for tx debug]
- if (pT02->T02_transmit_abort_due_to_TBTT)
- pHwData->tx_TBTT_start_count++;
- if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
- pHwData->tx_WepOn_false_count++;
- if (pT02->T02_discard_due_to_null_wep_key)
- pHwData->tx_Null_key_count++;
- } else {
- if (pT02->T02_effective_transmission_rate)
- pHwData->tx_ETR_count++;
- MTO_SetTxCount(adapter, TxRate, RetryCount);
+ // Does it need to generate the new header for next mpdu?
+ if (SizeLeft) {
+ buffer = TargetBuffer + Size; // Get the next 4n start address
+ memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11
+ pT00 = (PT00_DESCRIPTOR)buffer;
+ pT00->T00_first_mpdu = 0;
}
- // Clear send result buffer
- pMds->TxResult[ PacketId ] = 0;
- } else
- pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff));
+ FragmentCount++;
+ }
+
+ pT00->T00_last_mpdu = 1;
+ pT00->T00_IsLastMpdu = 1;
+ buffer = (u8 *)pT00 + 8; // +8 for USB hdr
+ buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control
+ pDes->FragmentCount = FragmentCount; // Update the correct fragment number
+ return Size;
}
-void
-Mds_HeaderCopy(struct wbsoft_priv * adapter, PDESCRIPTOR pDes, u8 *TargetBuffer)
+static void Mds_HeaderCopy(struct wbsoft_priv * adapter, PDESCRIPTOR pDes, u8 *TargetBuffer)
{
PMDS pMds = &adapter->Mds;
u8 *src_buffer = pDes->buffer_address[0];//931130.5.g
}
-// The function return the 4n size of usb pk
-u16
-Mds_BodyCopy(struct wbsoft_priv * adapter, PDESCRIPTOR pDes, u8 *TargetBuffer)
+void
+Mds_Tx(struct wbsoft_priv * adapter)
{
- PT00_DESCRIPTOR pT00;
- PMDS pMds = &adapter->Mds;
- u8 *buffer;
- u8 *src_buffer;
- u8 *pctmp;
- u16 Size = 0;
- u16 SizeLeft, CopySize, CopyLeft, stmp;
- u8 buf_index, FragmentCount = 0;
+ phw_data_t pHwData = &adapter->sHwData;
+ PMDS pMds = &adapter->Mds;
+ DESCRIPTOR TxDes;
+ PDESCRIPTOR pTxDes = &TxDes;
+ u8 *XmitBufAddress;
+ u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
+ u8 FillIndex, TxDesIndex, FragmentCount, FillCount;
+ unsigned char BufferFilled = false, MICAdd = 0;
- // Copy fragment body
- buffer = TargetBuffer; // shift 8B usb + 24B 802.11
- SizeLeft = pDes->buffer_total_size;
- buf_index = pDes->buffer_start_index;
+ if (pMds->TxPause)
+ return;
+ if (!hal_driver_init_OK(pHwData))
+ return;
- pT00 = (PT00_DESCRIPTOR)buffer;
- while (SizeLeft) {
- pT00 = (PT00_DESCRIPTOR)buffer;
- CopySize = SizeLeft;
- if (SizeLeft > pDes->FragmentThreshold) {
- CopySize = pDes->FragmentThreshold;
- pT00->T00_frame_length = 24 + CopySize;//Set USB length
- } else
- pT00->T00_frame_length = 24 + SizeLeft;//Set USB length
+ //Only one thread can be run here
+ if (!atomic_inc_return(&pMds->TxThreadCount) == 1)
+ goto cleanup;
- SizeLeft -= CopySize;
+ // Start to fill the data
+ do {
+ FillIndex = pMds->TxFillIndex;
+ if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No
+#ifdef _PE_TX_DUMP_
+ WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n"));
+#endif
+ break;
+ }
- // 1 Byte operation
- pctmp = (u8 *)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
- *pctmp &= 0xf0;
- *pctmp |= FragmentCount;//931130.5.m
- if( !FragmentCount )
- pT00->T00_first_mpdu = 1;
+ XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer
+ XmitBufSize = 0;
+ FillCount = 0;
+ do {
+ PacketSize = adapter->sMlmeFrame.len;
+ if (!PacketSize)
+ break;
- buffer += 32; // 8B usb + 24B 802.11 header
- Size += 32;
+ //For Check the buffer resource
+ FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
+ //931130.5.b
+ FragmentCount = PacketSize/FragmentThreshold + 1;
+ stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC
+ if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
+ printk("[Mds_Tx] Excess max tx buffer.\n");
+ break; // buffer is not enough
+ }
- // Copy into buffer
- stmp = CopySize + 3;
- stmp &= ~0x03;//4n Alignment
- Size += stmp;// Current 4n offset of mpdu
- while (CopySize) {
- // Copy body
- src_buffer = pDes->buffer_address[buf_index];
- CopyLeft = CopySize;
- if (CopySize >= pDes->buffer_size[buf_index]) {
- CopyLeft = pDes->buffer_size[buf_index];
+ //
+ // Start transmitting
+ //
+ BufferFilled = true;
- // Get the next buffer of descriptor
- buf_index++;
- buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
- } else {
- u8 *pctmp = pDes->buffer_address[buf_index];
- pctmp += CopySize;
- pDes->buffer_address[buf_index] = pctmp;
- pDes->buffer_size[buf_index] -= CopySize;
- }
-
- memcpy(buffer, src_buffer, CopyLeft);
- buffer += CopyLeft;
- CopySize -= CopyLeft;
- }
+ /* Leaves first u8 intact */
+ memset((u8 *)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1);
- // 931130.5.n
- if (pMds->MicAdd) {
- if (!SizeLeft) {
- pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd;
- pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd;
- pMds->MicAdd = 0;
- }
- else if( SizeLeft < 8 ) //931130.5.p
- {
- pMds->MicAdd = SizeLeft;
- pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft );
- pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft;
- pMds->MicWriteIndex++;
- }
- }
+ TxDesIndex = pMds->TxDesIndex;//Get the current ID
+ pTxDes->Descriptor_ID = TxDesIndex;
+ pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from
+ pMds->TxDesIndex++;
+ pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;
- // Does it need to generate the new header for next mpdu?
- if (SizeLeft) {
- buffer = TargetBuffer + Size; // Get the next 4n start address
- memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11
- pT00 = (PT00_DESCRIPTOR)buffer;
- pT00->T00_first_mpdu = 0;
- }
+ MLME_GetNextPacket( adapter, pTxDes );
- FragmentCount++;
- }
+ // Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type
+ Mds_HeaderCopy( adapter, pTxDes, XmitBufAddress );
- pT00->T00_last_mpdu = 1;
- pT00->T00_IsLastMpdu = 1;
- buffer = (u8 *)pT00 + 8; // +8 for USB hdr
- buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control
- pDes->FragmentCount = FragmentCount; // Update the correct fragment number
- return Size;
-}
+ // For speed up Key setting
+ if (pTxDes->EapFix) {
+#ifdef _PE_TX_DUMP_
+ WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize));
+#endif
+ pHwData->IsKeyPreSet = 1;
+ }
+ // Copy (fragment) frame body, and set USB, 802.11 hdr flag
+ CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress);
-void
-Mds_DurationSet( struct wbsoft_priv * adapter, PDESCRIPTOR pDes, u8 *buffer )
-{
- PT00_DESCRIPTOR pT00;
- PT01_DESCRIPTOR pT01;
- u16 Duration, NextBodyLen, OffsetSize;
- u8 Rate, i;
- unsigned char CTS_on = false, RTS_on = false;
- PT00_DESCRIPTOR pNextT00;
- u16 BodyLen = 0;
- unsigned char boGroupAddr = false;
+ // Set RTS/CTS and Normal duration field into buffer
+ Mds_DurationSet(adapter, pTxDes, XmitBufAddress);
- OffsetSize = pDes->FragmentThreshold + 32 + 3;
- OffsetSize &= ~0x03;
- Rate = pDes->TxRate >> 1;
- if (!Rate)
- Rate = 1;
+ //
+ // Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte
+ // 931130.5.e
+ if (MICAdd)
+ Mds_MicFill( adapter, pTxDes, XmitBufAddress );
- pT00 = (PT00_DESCRIPTOR)buffer;
- pT01 = (PT01_DESCRIPTOR)(buffer+4);
- pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
+ //Shift to the next address
+ XmitBufSize += CurrentSize;
+ XmitBufAddress += CurrentSize;
- if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr
- boGroupAddr = true;
+#ifdef _IBSS_BEACON_SEQ_STICK_
+ if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr
+#endif
+ pMds->TxToggle = true;
- //========================================
- // Set RTS/CTS mechanism
- //========================================
- if (!boGroupAddr)
- {
- //NOTE : If the protection mode is enabled and the MSDU will be fragmented,
- // the tx rates of MPDUs will all be DSSS rates. So it will not use
- // CTS-to-self in this case. CTS-To-self will only be used when without
- // fragmentation. -- 20050112
- BodyLen = (u16)pT00->T00_frame_length; //include 802.11 header
- BodyLen += 4; //CRC
+ // Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data
+ MLME_SendComplete(adapter, 0, true);
- if( BodyLen >= CURRENT_RTS_THRESHOLD )
- RTS_on = true; // Using RTS
- else
- {
- if( pT01->T01_modulation_type ) // Is using OFDM
- {
- if( CURRENT_PROTECT_MECHANISM ) // Is using protect
- CTS_on = true; // Using CTS
- }
- }
- }
+ // Software TSC count 20060214
+ pMds->TxTsc++;
+ if (pMds->TxTsc == 0)
+ pMds->TxTsc_2++;
- if( RTS_on || CTS_on )
- {
- if( pT01->T01_modulation_type) // Is using OFDM
- {
- //CTS duration
- // 2 SIFS + DATA transmit time + 1 ACK
- // ACK Rate : 24 Mega bps
- // ACK frame length = 14 bytes
- Duration = 2*DEFAULT_SIFSTIME +
- 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
- ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
- ((112 + 22 + 95)/96)*Tsym;
- }
- else //DSSS
- {
- //CTS duration
- // 2 SIFS + DATA transmit time + 1 ACK
- // Rate : ?? Mega bps
- // ACK frame length = 14 bytes
- if( pT01->T01_plcp_header_length ) //long preamble
- Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
- else
- Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
+ FillCount++; // 20060928
+ } while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. false = single true = multiple sending
- Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate +
- DEFAULT_SIFSTIME*2 );
- }
+ // Move to the next one, if necessary
+ if (BufferFilled) {
+ // size setting
+ pMds->TxBufferSize[ FillIndex ] = XmitBufSize;
- if( RTS_on )
- {
- if( pT01->T01_modulation_type ) // Is using OFDM
- {
- //CTS + 1 SIFS + CTS duration
- //CTS Rate : 24 Mega bps
- //CTS frame length = 14 bytes
- Duration += (DEFAULT_SIFSTIME +
- PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
- ((112 + 22 + 95)/96)*Tsym);
- }
- else
- {
- //CTS + 1 SIFS + CTS duration
- //CTS Rate : ?? Mega bps
- //CTS frame length = 14 bytes
- if( pT01->T01_plcp_header_length ) //long preamble
- Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
- else
- Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
+ // 20060928 set Tx count
+ pMds->TxCountInBuffer[FillIndex] = FillCount;
- Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME );
- }
- }
+ // Set owner flag
+ pMds->TxOwner[FillIndex] = 1;
- // Set the value into USB descriptor
- pT01->T01_add_rts = RTS_on ? 1 : 0;
- pT01->T01_add_cts = CTS_on ? 1 : 0;
- pT01->T01_rts_cts_duration = Duration;
- }
+ pMds->TxFillIndex++;
+ pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER;
+ BufferFilled = false;
+ } else
+ break;
- //=====================================
- // Fill the more fragment descriptor
- //=====================================
- if( boGroupAddr )
- Duration = 0;
- else
- {
- for( i=pDes->FragmentCount-1; i>0; i-- )
- {
- NextBodyLen = (u16)pNextT00->T00_frame_length;
- NextBodyLen += 4; //CRC
+ if (!PacketSize) // No more pk for transmitting
+ break;
- if( pT01->T01_modulation_type )
- {
- //OFDM
- // data transmit time + 3 SIFS + 2 ACK
- // Rate : ??Mega bps
- // ACK frame length = 14 bytes, tx rate = 24M
- Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
- Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
- (((2*14)*8 + 22 + 95)/96)*Tsym +
- DEFAULT_SIFSTIME*3);
- }
- else
- {
- //DSSS
- // data transmit time + 2 ACK + 3 SIFS
- // Rate : ??Mega bps
- // ACK frame length = 14 bytes
- //TODO :
- if( pT01->T01_plcp_header_length ) //long preamble
- Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
- else
- Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
+ } while(true);
- Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
- DEFAULT_SIFSTIME*3 );
- }
+ //
+ // Start to send by lower module
+ //
+ if (!pHwData->IsKeyPreSet)
+ Wb35Tx_start(adapter);
- ((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+ cleanup:
+ atomic_dec(&pMds->TxThreadCount);
+}
- //----20061009 add by anson's endian
- pNextT00->value = cpu_to_le32(pNextT00->value);
- pT01->value = cpu_to_le32( pT01->value );
- //----end 20061009 add by anson's endian
+void
+Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02)
+{
+ PMDS pMds = &adapter->Mds;
+ phw_data_t pHwData = &adapter->sHwData;
+ u8 PacketId = (u8)pT02->T02_Tx_PktID;
+ unsigned char SendOK = true;
+ u8 RetryCount, TxRate;
- buffer += OffsetSize;
- pT01 = (PT01_DESCRIPTOR)(buffer+4);
- if (i != 1) //The last fragment will not have the next fragment
- pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
- }
+ if (pT02->T02_IgnoreResult) // Don't care the result
+ return;
+ if (pT02->T02_IsLastMpdu) {
+ //TODO: DTO -- get the retry count and fragment count
+ // Tx rate
+ TxRate = pMds->TxRate[ PacketId ][ 0 ];
+ RetryCount = (u8)pT02->T02_MPDU_Cnt;
+ if (pT02->value & FLAG_ERROR_TX_MASK) {
+ SendOK = false;
- //=====================================
- // Fill the last fragment descriptor
- //=====================================
- if( pT01->T01_modulation_type )
- {
- //OFDM
- // 1 SIFS + 1 ACK
- // Rate : 24 Mega bps
- // ACK frame length = 14 bytes
- Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
- //The Tx rate of ACK use 24M
- Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME );
- }
- else
- {
- // DSSS
- // 1 ACK + 1 SIFS
- // Rate : ?? Mega bps
- // ACK frame length = 14 bytes(112 bits)
- if( pT01->T01_plcp_header_length ) //long preamble
- Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
- else
- Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
+ if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
+ //retry error
+ pHwData->dto_tx_retry_count += (RetryCount+1);
+ //[for tx debug]
+ if (RetryCount<7)
+ pHwData->tx_retry_count[RetryCount] += RetryCount;
+ else
+ pHwData->tx_retry_count[7] += RetryCount;
+ #ifdef _PE_STATE_DUMP_
+ WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count));
+ #endif
+ MTO_SetTxCount(adapter, TxRate, RetryCount);
+ }
+ pHwData->dto_tx_frag_count += (RetryCount+1);
- Duration += ( (112 + Rate-1)/Rate + DEFAULT_SIFSTIME );
+ //[for tx debug]
+ if (pT02->T02_transmit_abort_due_to_TBTT)
+ pHwData->tx_TBTT_start_count++;
+ if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
+ pHwData->tx_WepOn_false_count++;
+ if (pT02->T02_discard_due_to_null_wep_key)
+ pHwData->tx_Null_key_count++;
+ } else {
+ if (pT02->T02_effective_transmission_rate)
+ pHwData->tx_ETR_count++;
+ MTO_SetTxCount(adapter, TxRate, RetryCount);
}
- }
-
- ((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
- pT00->value = cpu_to_le32(pT00->value);
- pT01->value = cpu_to_le32(pT01->value);
- //--end 20061009 add
+ // Clear send result buffer
+ pMds->TxResult[ PacketId ] = 0;
+ } else
+ pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff));
}
projects / linux-2.6-omap-h63xx.git / commitdiff