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path: root/drivers/staging/winbond/mds.c
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Diffstat (limited to 'drivers/staging/winbond/mds.c')
-rw-r--r--drivers/staging/winbond/mds.c166
1 files changed, 102 insertions, 64 deletions
diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
index c9f0e8f856a..aef0855f4c6 100644
--- a/drivers/staging/winbond/mds.c
+++ b/drivers/staging/winbond/mds.c
@@ -15,7 +15,8 @@ Mds_initial(struct wbsoft_priv *adapter)
return hal_get_tx_buffer(&adapter->sHwData, &pMds->pTxBuffer);
}
-static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *buffer)
+static void Mds_DurationSet(struct wbsoft_priv *adapter,
+ struct wb35_descriptor *pDes, u8 *buffer)
{
struct T00_descriptor *pT00;
struct T01_descriptor *pT01;
@@ -43,10 +44,11 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
* 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 */
+ /* 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 */
@@ -54,7 +56,8 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
RTS_on = true; /* Using RTS */
else {
if (pT01->T01_modulation_type) { /* Is using OFDM */
- if (CURRENT_PROTECT_MECHANISM) /* Is using protect */
+ /* Is using protect */
+ if (CURRENT_PROTECT_MECHANISM)
CTS_on = true; /* Using CTS */
}
}
@@ -67,9 +70,9 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
* 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;
+ 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
@@ -90,18 +93,21 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
* CTS Rate : 24 Mega bps
* CTS frame length = 14 bytes */
Duration += (DEFAULT_SIFSTIME +
- PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
- ((112 + 22 + 95)/96)*Tsym);
+ 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 */
+ * CTS frame length = 14 bytes
+ */
+ /* long preamble */
+ if (pT01->T01_plcp_header_length)
Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
else
Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
- Duration += (((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME);
+ Duration += (((112 + Rate-1) / Rate) +
+ DEFAULT_SIFSTIME);
}
}
@@ -127,9 +133,10 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
* 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);
+ 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
@@ -141,11 +148,12 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
else
Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
- Duration += (((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
- DEFAULT_SIFSTIME*3);
+ Duration += (((NextBodyLen + (2*14))*8
+ + Rate-1) / Rate +
+ DEFAULT_SIFSTIME*3);
}
-
- ((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
+ /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
+ ((u16 *)buffer)[5] = cpu_to_le16(Duration);
/* ----20061009 add by anson's endian */
pNextT00->value = cpu_to_le32(pNextT00->value);
@@ -154,7 +162,8 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
buffer += OffsetSize;
pT01 = (struct T01_descriptor *)(buffer+4);
- if (i != 1) /* The last fragment will not have the next fragment */
+ /* The last fragment will not have the next fragment */
+ if (i != 1)
pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize);
}
@@ -168,7 +177,8 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
* 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);
+ Duration += (((112 + 22 + 95)/96)*Tsym +
+ DEFAULT_SIFSTIME);
} else {
/* DSSS
* 1 ACK + 1 SIFS
@@ -183,7 +193,8 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
}
}
- ((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
+ /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
+ ((u16 *)buffer)[5] = cpu_to_le16(Duration);
pT00->value = cpu_to_le32(pT00->value);
pT01->value = cpu_to_le32(pT01->value);
/* --end 20061009 add */
@@ -191,7 +202,8 @@ static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor
}
/* The function return the 4n size of usb pk */
-static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
+static u16 Mds_BodyCopy(struct wbsoft_priv *adapter,
+ struct wb35_descriptor *pDes, u8 *TargetBuffer)
{
struct T00_descriptor *pT00;
struct wb35_mds *pMds = &adapter->Mds;
@@ -214,9 +226,10 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
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 */
+ /* Set USB length */
+ pT00->T00_frame_length = 24 + CopySize;
+ } else /* Set USB length */
+ pT00->T00_frame_length = 24 + SizeLeft;
SizeLeft -= CopySize;
@@ -246,7 +259,7 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
buf_index++;
buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
} else {
- u8 *pctmp = pDes->buffer_address[buf_index];
+ u8 *pctmp = pDes->buffer_address[buf_index];
pctmp += CopySize;
pDes->buffer_address[buf_index] = pctmp;
pDes->buffer_size[buf_index] -= CopySize;
@@ -260,21 +273,27 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
/* 931130.5.n */
if (pMds->MicAdd) {
if (!SizeLeft) {
- pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - pMds->MicAdd;
- pMds->MicWriteSize[pMds->MicWriteIndex] = pMds->MicAdd;
+ 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->MicWriteAddress[pMds->MicWriteIndex] =
+ buffer - (8 - SizeLeft);
+ pMds->MicWriteSize[pMds->MicWriteIndex] =
+ 8 - SizeLeft;
pMds->MicWriteIndex++;
}
}
/* 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 */
+ /* Get the next 4n start address */
+ buffer = TargetBuffer + Size;
+ /* Copy 8B USB +24B 802.11 */
+ memcpy(buffer, TargetBuffer, 32);
pT00 = (struct T00_descriptor *)buffer;
pT00->T00_first_mpdu = 0;
}
@@ -286,11 +305,13 @@ static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDe
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 */
+ /* Update the correct fragment number */
+ pDes->FragmentCount = FragmentCount;
return Size;
}
-static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
+static void Mds_HeaderCopy(struct wbsoft_priv *adapter,
+ struct wb35_descriptor *pDes, u8 *TargetBuffer)
{
struct wb35_mds *pMds = &adapter->Mds;
u8 *src_buffer = pDes->buffer_address[0]; /* 931130.5.g */
@@ -315,14 +336,15 @@ static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *
pT00->T00_tx_packet_id = pDes->Descriptor_ID; /* Set packet ID */
pT00->T00_header_length = 24; /* Set header length */
- pT01->T01_retry_abort_ebable = 1; /* 921013 931130.5.h */
+ pT01->T01_retry_abort_enable = 1; /* 921013 931130.5.h */
/* Key ID setup */
pT01->T01_wep_id = 0;
FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; /* Do not fragment */
/* Copy full data, the 1'st buffer contain all the data 931130.5.j */
- memcpy(TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE); /* Copy header */
+ /* Copy header */
+ memcpy(TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE);
pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE;
pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE;
pDes->buffer_size[0] = pDes->buffer_total_size;
@@ -350,8 +372,8 @@ static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *
for (i = 0; i < 2; i++) {
if (i == 1)
ctmp1 = ctmpf;
-
- pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; /* backup the ta rate and fall back rate */
+ /* backup the ta rate and fall back rate */
+ pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1;
if (ctmp1 == 108)
ctmp2 = 7;
@@ -387,15 +409,17 @@ static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *
/*
* Set preamble type
*/
- if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0)) /* RATE_1M */
+ /* RATE_1M */
+ if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0))
pDes->PreambleMode = WLAN_PREAMBLE_TYPE_LONG;
else
pDes->PreambleMode = CURRENT_PREAMBLE_MODE;
- pT01->T01_plcp_header_length = pDes->PreambleMode; /* Set preamble */
+ pT01->T01_plcp_header_length = pDes->PreambleMode; /* Set preamble */
}
-static void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *desc)
+static void MLME_GetNextPacket(struct wbsoft_priv *adapter,
+ struct wb35_descriptor *desc)
{
desc->InternalUsed = desc->buffer_start_index + desc->buffer_number;
desc->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX;
@@ -403,7 +427,7 @@ static void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descript
desc->buffer_size[desc->InternalUsed] = adapter->sMlmeFrame.len;
desc->buffer_total_size += adapter->sMlmeFrame.len;
desc->buffer_number++;
- desc->Type = adapter->sMlmeFrame.DataType;
+ desc->Type = adapter->sMlmeFrame.data_type;
}
static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData)
@@ -423,14 +447,15 @@ static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData)
}
}
-static void MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID, unsigned char SendOK)
+static void MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID,
+ unsigned char SendOK)
{
/* Reclaim the data buffer */
adapter->sMlmeFrame.len = 0;
MLMEfreeMMPDUBuffer(adapter, adapter->sMlmeFrame.pMMPDU);
/* Return resource */
- adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE;
+ adapter->sMlmeFrame.is_in_used = PACKET_FREE_TO_USE;
}
void
@@ -440,9 +465,9 @@ Mds_Tx(struct wbsoft_priv *adapter)
struct wb35_mds *pMds = &adapter->Mds;
struct wb35_descriptor TxDes;
struct wb35_descriptor *pTxDes = &TxDes;
- u8 *XmitBufAddress;
- u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
- u8 FillIndex, TxDesIndex, FragmentCount, FillCount;
+ u8 *XmitBufAddress;
+ u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
+ u8 FillIndex, TxDesIndex, FragmentCount, FillCount;
unsigned char BufferFilled = false;
@@ -458,12 +483,14 @@ Mds_Tx(struct wbsoft_priv *adapter)
/* Start to fill the data */
do {
FillIndex = pMds->TxFillIndex;
- if (pMds->TxOwner[FillIndex]) { /* Is owned by software 0:Yes 1:No */
+ /* Is owned by software 0:Yes 1:No */
+ if (pMds->TxOwner[FillIndex]) {
pr_debug("[Mds_Tx] Tx Owner is H/W.\n");
break;
}
- XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); /* Get buffer */
+ /* Get buffer */
+ XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex);
XmitBufSize = 0;
FillCount = 0;
do {
@@ -475,12 +502,10 @@ Mds_Tx(struct wbsoft_priv *adapter)
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");
+ /* 931130.5.c 8:MIC */
+ stmp = PacketSize + FragmentCount*32 + 8;
+ if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER)
break; /* buffer is not enough */
- }
-
/*
* Start transmitting
@@ -492,18 +517,23 @@ Mds_Tx(struct wbsoft_priv *adapter)
TxDesIndex = pMds->TxDesIndex; /* Get the current ID */
pTxDes->Descriptor_ID = TxDesIndex;
- pMds->TxDesFrom[TxDesIndex] = 2; /* Storing the information of source coming from */
+ /* Storing the information of source coming from */
+ pMds->TxDesFrom[TxDesIndex] = 2;
pMds->TxDesIndex++;
pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;
MLME_GetNextPacket(adapter, pTxDes);
- /* Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type */
+ /*
+ * Copy header. 8byte USB + 24byte 802.11Hdr.
+ * Set TxRate, Preamble type
+ */
Mds_HeaderCopy(adapter, pTxDes, XmitBufAddress);
/* For speed up Key setting */
if (pTxDes->EapFix) {
- pr_debug("35: EPA 4th frame detected. Size = %d\n", PacketSize);
+ pr_debug("35: EPA 4th frame detected. Size = %d\n",
+ PacketSize);
pHwData->IsKeyPreSet = 1;
}
@@ -517,7 +547,9 @@ Mds_Tx(struct wbsoft_priv *adapter)
XmitBufSize += CurrentSize;
XmitBufAddress += CurrentSize;
- /* Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data */
+ /* Get packet to transmit completed,
+ * 1:TESTSTA 2:MLME 3: Ndis data
+ */
MLME_SendComplete(adapter, 0, true);
/* Software TSC count 20060214 */
@@ -526,7 +558,12 @@ Mds_Tx(struct wbsoft_priv *adapter)
pMds->TxTsc_2++;
FillCount++; /* 20060928 */
- } while (HAL_USB_MODE_BURST(pHwData)); /* End of multiple MSDU copy loop. false = single true = multiple sending */
+ /*
+ * End of multiple MSDU copy loop.
+ * false = single
+ * true = multiple sending
+ */
+ } while (HAL_USB_MODE_BURST(pHwData));
/* Move to the next one, if necessary */
if (BufferFilled) {
@@ -569,7 +606,7 @@ Mds_SendComplete(struct wbsoft_priv *adapter, struct T02_descriptor *pT02)
unsigned char SendOK = true;
u8 RetryCount, TxRate;
- if (pT02->T02_IgnoreResult) /* Don't care the result */
+ if (pT02->T02_IgnoreResult) /* Don't care about the result */
return;
if (pT02->T02_IsLastMpdu) {
/* TODO: DTO -- get the retry count and fragment count */
@@ -587,7 +624,8 @@ Mds_SendComplete(struct wbsoft_priv *adapter, struct T02_descriptor *pT02)
pHwData->tx_retry_count[RetryCount] += RetryCount;
else
pHwData->tx_retry_count[7] += RetryCount;
- pr_debug("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count);
+ pr_debug("dto_tx_retry_count =%d\n",
+ pHwData->dto_tx_retry_count);
MTO_SetTxCount(adapter, TxRate, RetryCount);
}
pHwData->dto_tx_frag_count += (RetryCount+1);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 19:35:17 +0000