📄 rtmp_data.c
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{
// For TKIP frame, calculate the MIC value
if (pRxD->CipherAlg == CIPHER_TKIP)
{
PCIPHER_KEY pWpaKey;
if (!pEntry)
break;
pWpaKey = &pEntry->PairwiseKey;
// Minus MIC length
pAd->FragFrame.RxSize -= 8;
if (pAd->FragFrame.Flags & 0x00000001)
{
// originally there's an LLC/SNAP field in the first fragment
// but been removed in re-assembly buffer. here we have to include
// this LLC/SNAP field upon calculating TKIP MIC
// pData = pAd->FragFrame.Header_LLC;
// Copy LLC data to the position in front of real data for MIC calculation
NdisMoveMemory(&pAd->FragFrame.Buffer[LENGTH_802_3 - LENGTH_802_1_H],
pAd->FragFrame.Header_LLC,
LENGTH_802_1_H);
pData = (PUCHAR) &pAd->FragFrame.Buffer[LENGTH_802_3 - LENGTH_802_1_H];
DataSize = (USHORT)pAd->FragFrame.RxSize + LENGTH_802_1_H;
}
else
{
pData = (PUCHAR) &pAd->FragFrame.Buffer[LENGTH_802_3];
DataSize = (USHORT)pAd->FragFrame.RxSize;
}
if (RTMPTkipCompareMICValue(pAd,
pData,
pDA,
pSA,
pWpaKey->RxMic,
DataSize) == FALSE)
{
DBGPRINT(RT_DEBUG_ERROR,"Rx MIC Value error 2\n");
if (pEntry)
{
HandleCounterMeasure(pAd, pEntry);
}
break; // give up this frame
}
}
// check if DA is another associted WSTA reachable via wireless bridging,
// if it is, then no need to indicate to LLC
if (RTMPBridgeToWdsAndWirelessSta(pAd, pAd->FragFrame.Header802_3, LENGTH_802_3, &pAd->FragFrame.Buffer[LENGTH_802_3], pAd->FragFrame.RxSize, apidx) == FALSE)
{
pData = &pAd->FragFrame.Buffer[LENGTH_802_3];
REPORT_ETHERNET_FRAME_TO_LLC(pAd, pAd->FragFrame.Header802_3, pData, pAd->FragFrame.RxSize, net_dev);
DBGPRINT(RT_DEBUG_INFO, "!!! report DATA (fragmented) to LLC (len=%d) !!!\n", pAd->FragFrame.RxSize);
}
// Clear Fragment frame contents
NdisZeroMemory(&pAd->FragFrame, sizeof(FRAGMENT_FRAME));
}
}
break;
}
//
// CASE II. receive a MGMT frame
//
else if (pHeader->FC.Type == BTYPE_MGMT)
{
if (pAd->PortCfg.MBSSID[apidx].BANClass3Data == TRUE)
{
// disallow new association
if ((pHeader->FC.SubType == SUBTYPE_ASSOC_REQ) || (pHeader->FC.SubType == SUBTYPE_AUTH))
{
DBGPRINT(RT_DEBUG_TRACE, "Disallow new Association \n ");
break; // give up this frame
}
}
REPORT_MGMT_FRAME_TO_MLME(pAd, pHeader, pRxD->DataByteCnt, pRxD->PlcpRssi, Offset);
break; // end of processing this frame
}
//
// CASE III. receive a CNTL frame
//
else if (pHeader->FC.Type == BTYPE_CNTL)
{
// handle PS-POLL here
if ((pRxD->U2M) && (pHeader->FC.SubType == SUBTYPE_PS_POLL))
{
PUCHAR pAddr = pHeader->Addr2;
pEntry = MacTableLookup(pAd, pAddr);
if (pEntry)
{
if (pHeader->FC.PwrMgmt)
RTMPHandleRxPsPoll(pAd, pAddr, pEntry, FALSE);
else
RTMPHandleRxPsPoll(pAd, pAddr, pEntry, TRUE);
}
}
else
{
DBGPRINT(RT_DEBUG_TRACE,"ignore CNTL (subtype=%d)\n", pHeader->FC.SubType);
}
break; // end of processing this frame
}
//
// CASE IV. receive a frame of invalid type
//
else
break; // give up this frame
} while (FALSE);
pRxD->Owner = DESC_OWN_NIC;
#ifdef BIG_ENDIAN
RTMPDescriptorEndianChange((PUCHAR)pRxD, TYPE_RXD);
WriteBackToDescriptor((PUCHAR)pDestRxD, (PUCHAR)pRxD, FALSE, TYPE_RXD);
#endif
INC_RING_INDEX(pAd->RxRing.CurRxIndex, RX_RING_SIZE);
}
// Make sure to release Rx ring resource
RTMP_SEM_UNLOCK(&pAd->RxRingLock, IrqFlags);
}
/*
========================================================================
Routine Description:
Process TxDone interrupt, running in DPC level
Arguments:
Adapter Pointer to our adapter
Return Value:
None
Note:
========================================================================
*/
VOID RTMPHandleTxDoneInterrupt(
IN PRTMP_ADAPTER pAd)
{
STA_CSR4_STRUC csr;
int i;
UCHAR UpRate;
// DBGPRINT(RT_DEBUG_INFO, ("====> RTMPHandleTxDoneInterrupt\n"));
for (i=0; i<MAX_TX_DONE_PROCESS; i++)
{
RTMP_IO_READ32(pAd, STA_CSR4, &csr.word);
if (! csr.field.bValid)
break;
pAd->RalinkCounters.OneSecTxDoneCount++;
switch (csr.field.TxResult)
{
case TX_RESULT_SUCCESS: // Success with or without retry
// DBGPRINT(RT_DEBUG_INFO, ("TX Success without retry<<<\n"));
pAd->WlanCounters.TransmittedFragmentCount++;
pAd->Counters8023.GoodTransmits++;
if ((csr.field.PidType == (PTYPE_SPECIAL >> 6)) && (csr.field.PidSubtype == PSUBTYPE_RTS))
pAd->WlanCounters.RTSSuccessCount++;
// case 1. no retry
if (csr.field.RetryCount == 0)
{
// update DRS related counters
if (csr.field.PidType == (PTYPE_DATA_REQUIRE_ACK >> 6))
{
pAd->RalinkCounters.OneSecTxNoRetryOkCount ++;
#ifdef APCLI_SUPPORT
if (csr.field.PidSubtype >= APCLI_PAIRWISE_KEY_OFFSET)
pAd->ApCliTab.ApCliEntry[csr.field.PidSubtype - APCLI_PAIRWISE_KEY_OFFSET].OneSecTxOkCount++;
else
#endif
if (csr.field.PidSubtype >= WDS_PAIRWISE_KEY_OFFSET)
pAd->WdsTab.WdsEntry[csr.field.PidSubtype - WDS_PAIRWISE_KEY_OFFSET].OneSecTxOkCount++;
else
// AP mode
pAd->MacTab.Content[csr.field.PidSubtype].OneSecTxOkCount++;
}
}
else
{
// case 2. one or multiple retry
pAd->WlanCounters.RetryCount++;
pAd->WlanCounters.ACKFailureCount++;
if (csr.field.RetryCount > 1)
{
pAd->WlanCounters.MultipleRetryCount++;
pAd->Counters8023.MoreCollisions++;
}
else
pAd->Counters8023.OneCollision++;
// update DRS related counters
if (csr.field.PidType == (PTYPE_NULL_AT_HIGH_RATE >> 6))
{
// DRS - must be NULL frame retried @ UpRate; downgrade
// TxQuality[UpRate] so that not upgrade TX rate
#ifdef APCLI_SUPPORT
if (csr.field.PidSubtype >= APCLI_PAIRWISE_KEY_OFFSET)
{
UCHAR ApCliIdx = (UCHAR)(csr.field.PidSubtype - APCLI_PAIRWISE_KEY_OFFSET);
if (pAd->PortCfg.Channel > 14)
UpRate = Phy11ANextRateUpward[pAd->ApCliTab.ApCliEntry[ApCliIdx].CurrTxRate];
else
UpRate = Phy11BGNextRateUpward[pAd->ApCliTab.ApCliEntry[ApCliIdx].CurrTxRate];
pAd->ApCliTab.ApCliEntry[ApCliIdx].TxQuality[UpRate] += 2;
if (pAd->ApCliTab.ApCliEntry[ApCliIdx].TxQuality[UpRate] > DRS_TX_QUALITY_WORST_BOUND)
pAd->ApCliTab.ApCliEntry[ApCliIdx].TxQuality[UpRate] = DRS_TX_QUALITY_WORST_BOUND;
}
else // operate in WDS mode
#endif
if (csr.field.PidSubtype >= WDS_PAIRWISE_KEY_OFFSET)
{
UCHAR WdsIdx = (UCHAR)(csr.field.PidSubtype - WDS_PAIRWISE_KEY_OFFSET);
if (pAd->PortCfg.Channel > 14)
UpRate = Phy11ANextRateUpward[pAd->WdsTab.WdsEntry[WdsIdx].CurrTxRate];
else
UpRate = Phy11BGNextRateUpward[pAd->WdsTab.WdsEntry[WdsIdx].CurrTxRate];
pAd->WdsTab.WdsEntry[WdsIdx].TxQuality[UpRate] += 2;
if (pAd->WdsTab.WdsEntry[WdsIdx].TxQuality[UpRate] > DRS_TX_QUALITY_WORST_BOUND)
pAd->WdsTab.WdsEntry[WdsIdx].TxQuality[UpRate] = DRS_TX_QUALITY_WORST_BOUND;
}
else // operate in AP mode
{
if (pAd->PortCfg.Channel > 14)
UpRate = Phy11ANextRateUpward[pAd->MacTab.Content[csr.field.PidSubtype].CurrTxRate];
else
UpRate = Phy11BGNextRateUpward[pAd->MacTab.Content[csr.field.PidSubtype].CurrTxRate];
pAd->MacTab.Content[csr.field.PidSubtype].TxQuality[UpRate] += 2;
if (pAd->MacTab.Content[csr.field.PidSubtype].TxQuality[UpRate] > DRS_TX_QUALITY_WORST_BOUND)
pAd->MacTab.Content[csr.field.PidSubtype].TxQuality[UpRate] = DRS_TX_QUALITY_WORST_BOUND;
}
}
else if (csr.field.PidType == (PTYPE_DATA_REQUIRE_ACK >> 6))
{
pAd->RalinkCounters.OneSecTxRetryOkCount ++;
#ifdef APCLI_SUPPORT
if (csr.field.PidSubtype >= APCLI_PAIRWISE_KEY_OFFSET)
pAd->ApCliTab.ApCliEntry[csr.field.PidSubtype - APCLI_PAIRWISE_KEY_OFFSET].OneSecTxRetryOkCount++;
else //WDS
#endif
if (csr.field.PidSubtype >= WDS_PAIRWISE_KEY_OFFSET)
pAd->WdsTab.WdsEntry[csr.field.PidSubtype - WDS_PAIRWISE_KEY_OFFSET].OneSecTxRetryOkCount++;
else //AP
pAd->MacTab.Content[csr.field.PidSubtype].OneSecTxRetryOkCount++;
}
}
break;
case TX_RESULT_RETRY_FAIL: // Fail on hitting retry count limit
DBGPRINT(RT_DEBUG_INFO, "TX Failed (RETRY LIMIT)<<<\n");
pAd->WlanCounters.FailedCount++;
pAd->WlanCounters.ACKFailureCount++;
pAd->Counters8023.TxErrors++;
if ((csr.field.PidType == (PTYPE_SPECIAL >> 6)) && (csr.field.PidSubtype == PSUBTYPE_RTS))
pAd->WlanCounters.RTSFailureCount++;
// update DRS related counters
if (csr.field.PidType == (PTYPE_NULL_AT_HIGH_RATE >> 6))
{
// DRS - must be NULL frame failed @ UpRate; downgrade
// TxQuality[UpRate] so that not upgrade TX rate
#ifdef APCLI_SUPPORT
if (csr.field.PidSubtype >= APCLI_PAIRWISE_KEY_OFFSET)
{
UCHAR ApCliIdx = (UCHAR)(csr.field.PidSubtype - APCLI_PAIRWISE_KEY_OFFSET);
UpRate = Phy11BGNextRateUpward[pAd->ApCliTab.ApCliEntry[ApCliIdx].CurrTxRate];
pAd->ApCliTab.ApCliEntry[ApCliIdx].TxQuality[UpRate] = DRS_TX_QUALITY_WORST_BOUND;
}
else
#endif
if (csr.field.PidSubtype >= WDS_PAIRWISE_KEY_OFFSET) // operate in AP mode
{
UCHAR WdsIdx = (UCHAR)(csr.field.PidSubtype - WDS_PAIRWISE_KEY_OFFSET);
UpRate = Phy11BGNextRateUpward[pAd->WdsTab.WdsEntry[WdsIdx].CurrTxRate];
pAd->WdsTab.WdsEnt⌨️ 快捷键说明
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