int CParaNdisRX::PrepareReceiveBuffers()
{
UINT i;
DEBUG_ENTRY(4);
NdisZeroMemory(m_ReservedRxBufferMemory, sizeof(m_ReservedRxBufferMemory));
m_RxBufferIndex = 0;
m_RxBufferOffset = 0;
for (i = 0; i < m_Context->NetMaxReceiveBuffers; ++i)
{
pRxNetDescriptor pBuffersDescriptor = CreateRxDescriptorOnInit();
if (!pBuffersDescriptor) break;
pBuffersDescriptor->Queue = this;
if (!AddRxBufferToQueue(pBuffersDescriptor))
{
ParaNdis_FreeRxBufferDescriptor(m_Context, pBuffersDescriptor);
break;
}
InsertTailList(&m_NetReceiveBuffers, &pBuffersDescriptor->listEntry);
m_NetNofReceiveBuffers++;
}
/* TODO - NetMaxReceiveBuffers should take into account all queues */
m_Context->NetMaxReceiveBuffers = m_NetNofReceiveBuffers;
DPrintf(0, ("[%s] MaxReceiveBuffers %d\n", __FUNCTION__, m_Context->NetMaxReceiveBuffers));
m_Reinsert = true;
m_VirtQueue.Kick();
return m_NetNofReceiveBuffers;
}
int CParaNdisRX::PrepareReceiveBuffers()
{
int nRet = 0;
UINT i;
DEBUG_ENTRY(4);
for (i = 0; i < m_Context->NetMaxReceiveBuffers; ++i)
{
pRxNetDescriptor pBuffersDescriptor = CreateRxDescriptorOnInit();
if (!pBuffersDescriptor) break;
pBuffersDescriptor->Queue = this;
if (!AddRxBufferToQueue(pBuffersDescriptor))
{
ParaNdis_FreeRxBufferDescriptor(m_Context, pBuffersDescriptor);
break;
}
InsertTailList(&m_NetReceiveBuffers, &pBuffersDescriptor->listEntry);
m_NetNofReceiveBuffers++;
}
/* TODO - NetMaxReceiveBuffers should take into account all queues */
m_Context->NetMaxReceiveBuffers = m_NetNofReceiveBuffers;
DPrintf(0, "[%s] MaxReceiveBuffers %d\n", __FUNCTION__, m_Context->NetMaxReceiveBuffers);
m_Reinsert = true;
return nRet;
}
void CParaNdisRX::PopulateQueue()
{
LIST_ENTRY TempList;
TPassiveSpinLocker autoLock(m_Lock);
InitializeListHead(&TempList);
while (!IsListEmpty(&m_NetReceiveBuffers))
{
pRxNetDescriptor pBufferDescriptor =
(pRxNetDescriptor)RemoveHeadList(&m_NetReceiveBuffers);
InsertTailList(&TempList, &pBufferDescriptor->listEntry);
}
m_NetNofReceiveBuffers = 0;
while (!IsListEmpty(&TempList))
{
pRxNetDescriptor pBufferDescriptor =
(pRxNetDescriptor)RemoveHeadList(&TempList);
if (AddRxBufferToQueue(pBufferDescriptor))
{
InsertTailList(&m_NetReceiveBuffers, &pBufferDescriptor->listEntry);
m_NetNofReceiveBuffers++;
}
else
{
/* TODO - NetMaxReceiveBuffers should take into account all queues */
DPrintf(0, "FAILED TO REUSE THE BUFFER!!!!\n");
ParaNdis_FreeRxBufferDescriptor(m_Context, pBufferDescriptor);
m_Context->NetMaxReceiveBuffers--;
}
}
m_Reinsert = true;
}
void CParaNdisRX::ReuseReceiveBufferNoLock(pRxNetDescriptor pBuffersDescriptor)
{
DEBUG_ENTRY(4);
m_Context->m_rxPacketsOutsideRing.Release();
if (!m_Reinsert)
{
InsertTailList(&m_NetReceiveBuffers, &pBuffersDescriptor->listEntry);
m_NetNofReceiveBuffers++;
return;
}
else if (AddRxBufferToQueue(pBuffersDescriptor))
{
InsertTailList(&m_NetReceiveBuffers, &pBuffersDescriptor->listEntry);
m_NetNofReceiveBuffers++;
if (m_NetNofReceiveBuffers > m_Context->NetMaxReceiveBuffers)
{
DPrintf(0, (" Error: NetNofReceiveBuffers > NetMaxReceiveBuffers(%d>%d)\n",
m_NetNofReceiveBuffers, m_Context->NetMaxReceiveBuffers));
}
/* TODO - nReusedRXBuffes per queue or per context ?*/
if (++m_nReusedRxBuffersCounter >= m_nReusedRxBuffersLimit)
{
m_nReusedRxBuffersCounter = 0;
m_VirtQueue.KickAlways();
}
}
else
{
/* TODO - NetMaxReceiveBuffers per queue or per context ?*/
DPrintf(0, ("FAILED TO REUSE THE BUFFER!!!!\n"));
ParaNdis_FreeRxBufferDescriptor(m_Context, pBuffersDescriptor);
m_Context->NetMaxReceiveBuffers--;
}
}
