repository: C:/dev/kvm-guest-drivers-windows
branch: master
commit fac89bff95d612c656cdf6fce9f8e1597ae91f35
Author: Yan Vugenfirer <yvugenfi@xxxxxxxxxx>
Date: Wed Jul 13 14:49:49 2011 +0300
[NetKVM] Number of handled RX packets handled during DPC are configured through INF file and advanced tab in device manager.
diff --git a/NetKVM/Common/ParaNdis-Common.c b/NetKVM/Common/ParaNdis-Common.c
index 1a51474..af66de1 100644
--- a/NetKVM/Common/ParaNdis-Common.c
+++ b/NetKVM/Common/ParaNdis-Common.c
@@ -111,6 +111,7 @@ typedef struct _tagConfigurationEntries
tConfigurationEntry VlanId;
tConfigurationEntry UseMergeableBuffers;
tConfigurationEntry MTU;
+ tConfigurationEntry NumberOfHandledRXPackersInDPC;
}tConfigurationEntries;
static const tConfigurationEntries defaultConfiguration =
@@ -149,6 +150,7 @@ static const tConfigurationEntries defaultConfiguration =
{ "VlanId", 0, 0, 4095},
{ "MergeableBuf", 1, 0, 1},
{ "MTU", 1500, 500, 65500},
+ { "NumberOfHandledRXPackersInDPC", MAX_RX_LOOPS, 1, 10000},
};
static void ParaNdis_ResetVirtIONetDevice(PARANDIS_ADAPTER *pContext)
@@ -278,6 +280,7 @@ static void ReadNicConfiguration(PARANDIS_ADAPTER *pContext, PUCHAR *ppNewMACAdd
GetConfigurationEntry(cfg, &pConfiguration->VlanId);
GetConfigurationEntry(cfg, &pConfiguration->UseMergeableBuffers);
GetConfigurationEntry(cfg, &pConfiguration->MTU);
+ GetConfigurationEntry(cfg, &pConfiguration->NumberOfHandledRXPackersInDPC);
#if !defined(WPP_EVENT_TRACING)
bDebugPrint = pConfiguration->isLogEnabled.ulValue;
@@ -290,6 +293,7 @@ static void ReadNicConfiguration(PARANDIS_ADAPTER *pContext, PUCHAR *ppNewMACAdd
pContext->nEnableDPCChecker = pConfiguration->dpcChecker.ulValue;
pContext->bDoInterruptRecovery = pConfiguration->InterruptRecovery.ulValue != 0;
pContext->Limits.nPrintDiagnostic = pConfiguration->LogStatistics.ulValue;
+ pContext->uNumberOfHandledRXPacketsInDPC = pConfiguration->NumberOfHandledRXPackersInDPC.ulValue;
pContext->bDoHardReset = pConfiguration->HardReset.ulValue != 0;
pContext->bDoSupportPriority = pConfiguration->PrioritySupport.ulValue != 0;
pContext->ulFormalLinkSpeed = pConfiguration->ConnectRate.ulValue * 1000000;
@@ -1772,7 +1776,8 @@ ULONG ParaNdis_DPCWorkBody(PARANDIS_ADAPTER *pContext)
}
if (interruptSources & isReceive)
{
- int nRestartResult = 0, nLoop = 0;
+ int nRestartResult = 0;
+ UINT nLoop = 0;
do
{
UINT n;
@@ -1788,7 +1793,7 @@ ULONG ParaNdis_DPCWorkBody(PARANDIS_ADAPTER *pContext)
NdisReleaseSpinLock(&pContext->ReceiveLock);
DPrintf(nRestartResult ? 2 : 6, ("[%s] queue restarted%s", __FUNCTION__, nRestartResult ? "(Rerun)" : "(Done)"));
++nLoop;
- if (nLoop > MAX_RX_LOOPS)
+ if (nLoop > pContext->uNumberOfHandledRXPacketsInDPC)
{
DPrintf(0, ("[%s] Breaking Rx loop on %d-th operation", __FUNCTION__, nLoop));
ParaNdis_DebugHistory(pContext, hopDPC, (PVOID)4, nRestartResult, 0, 0);
diff --git a/NetKVM/wlh/netkvm.inf b/NetKVM/wlh/netkvm.inf
index 8143375..752da16 100644
--- a/NetKVM/wlh/netkvm.inf
+++ b/NetKVM/wlh/netkvm.inf
@@ -191,6 +191,13 @@ HKR, Ndi\params\ConnectTimer, min, 0, "0"
HKR, Ndi\params\ConnectTimer, max, 0, "300000"
HKR, Ndi\params\ConnectTimer, step, 0, "50"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, ParamDesc, 0, %NumberOfHandledRXPackersInDPC%
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, type, 0, "long"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, default, 0, "1000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, min, 0, "1"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, max, 0, "10000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, step, 0, "1"
+
HKR, Ndi\Params\PacketFilter, ParamDesc, 0, %PacketFilter%
HKR, Ndi\Params\PacketFilter, Default, 0, "1"
HKR, Ndi\Params\PacketFilter, type, 0, "enum"
@@ -309,3 +316,4 @@ VLan = "VLan"
Priority_Vlan = "All"
MergeableBuf = "Use mergeable buffers"
MTU = "MTU size"
+NumberOfHandledRXPackersInDPC = "Handled RX packers in DPC"
diff --git a/NetKVM/wxp/netkvm.inf b/NetKVM/wxp/netkvm.inf
index c7f1fca..8976b5f 100644
--- a/NetKVM/wxp/netkvm.inf
+++ b/NetKVM/wxp/netkvm.inf
@@ -195,6 +195,13 @@ HKR, Ndi\params\ConnectTimer, min, 0, "0"
HKR, Ndi\params\ConnectTimer, max, 0, "300000"
HKR, Ndi\params\ConnectTimer, step, 0, "50"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, ParamDesc, 0, %NumberOfHandledRXPackersInDPC%
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, type, 0, "long"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, default, 0, "1000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, min, 0, "1"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, max, 0, "10000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, step, 0, "1"
+
HKR, Ndi\Params\MergeableBuf, ParamDesc, 0, %MergeableBuf%
HKR, Ndi\Params\MergeableBuf, Default, 0, "1"
HKR, Ndi\Params\MergeableBuf, type, 0, "enum"
@@ -276,3 +283,4 @@ VLan = "VLan"
Priority_Vlan = "All"
MergeableBuf = "Use mergeable buffers"
MTU = "MTU size"
+NumberOfHandledRXPackersInDPC = "Handled RX packers in DPC"
diff --git a/NetKVM/wxp/netkvm2k.inf b/NetKVM/wxp/netkvm2k.inf
index 7ca814e..6d03fe8 100644
--- a/NetKVM/wxp/netkvm2k.inf
+++ b/NetKVM/wxp/netkvm2k.inf
@@ -126,6 +126,14 @@ HKR, Ndi\params\ConnectTimer, min, 0, "0"
HKR, Ndi\params\ConnectTimer, max, 0, "300000"
HKR, Ndi\params\ConnectTimer, step, 0, "1000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, ParamDesc, 0, %NumberOfHandledRXPackersInDPC%
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, type, 0, "long"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, default, 0, "1000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, min, 0, "1"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, max, 0, "10000"
+HKR, Ndi\params\NumberOfHandledRXPackersInDPC, step, 0, "1"
+
+
HKR, Ndi\Params\MergeableBuf, ParamDesc, 0, %MergeableBuf%
HKR, Ndi\Params\MergeableBuf, Default, 0, "1"
HKR, Ndi\Params\MergeableBuf, type, 0, "enum"
@@ -193,4 +201,4 @@ PacketFilter = "Enable Packet Filter"
BatchReceive = "Batch Receive"
MergeableBuf = "Use mergeable buffers"
MTU = "MTU size"
-
+NumberOfHandledRXPackersInDPC = "Handled RX packers in DPC"
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