static NDIS_STATUS
OvsInitSwitchContext(POVS_SWITCH_CONTEXT switchContext)
{
int i;
NTSTATUS status;
OVS_LOG_TRACE("Enter: switchContext: %p", switchContext);
switchContext->dispatchLock =
NdisAllocateRWLock(switchContext->NdisFilterHandle);
switchContext->portNoHashArray = (PLIST_ENTRY)OvsAllocateMemoryWithTag(
sizeof(LIST_ENTRY) * OVS_MAX_VPORT_ARRAY_SIZE, OVS_SWITCH_POOL_TAG);
switchContext->ovsPortNameHashArray = (PLIST_ENTRY)OvsAllocateMemoryWithTag(
sizeof(LIST_ENTRY) * OVS_MAX_VPORT_ARRAY_SIZE, OVS_SWITCH_POOL_TAG);
switchContext->portIdHashArray= (PLIST_ENTRY)OvsAllocateMemoryWithTag(
sizeof(LIST_ENTRY) * OVS_MAX_VPORT_ARRAY_SIZE, OVS_SWITCH_POOL_TAG);
switchContext->pidHashArray = (PLIST_ENTRY)OvsAllocateMemoryWithTag(
sizeof(LIST_ENTRY) * OVS_MAX_PID_ARRAY_SIZE, OVS_SWITCH_POOL_TAG);
status = OvsAllocateFlowTable(&switchContext->datapath, switchContext);
if (status == NDIS_STATUS_SUCCESS) {
status = OvsInitBufferPool(switchContext);
}
if (status != NDIS_STATUS_SUCCESS ||
switchContext->dispatchLock == NULL ||
switchContext->portNoHashArray == NULL ||
switchContext->ovsPortNameHashArray == NULL ||
switchContext->portIdHashArray== NULL ||
switchContext->pidHashArray == NULL) {
if (switchContext->dispatchLock) {
NdisFreeRWLock(switchContext->dispatchLock);
}
if (switchContext->portNoHashArray) {
OvsFreeMemoryWithTag(switchContext->portNoHashArray,
OVS_SWITCH_POOL_TAG);
}
if (switchContext->ovsPortNameHashArray) {
OvsFreeMemoryWithTag(switchContext->ovsPortNameHashArray,
OVS_SWITCH_POOL_TAG);
}
if (switchContext->portIdHashArray) {
OvsFreeMemoryWithTag(switchContext->portIdHashArray,
OVS_SWITCH_POOL_TAG);
}
if (switchContext->pidHashArray) {
OvsFreeMemoryWithTag(switchContext->pidHashArray,
OVS_SWITCH_POOL_TAG);
}
OvsDeleteFlowTable(&switchContext->datapath);
OvsCleanupBufferPool(switchContext);
OVS_LOG_TRACE("Exit: Failed to init switchContext");
return NDIS_STATUS_RESOURCES;
}
for (i = 0; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
InitializeListHead(&switchContext->ovsPortNameHashArray[i]);
}
for (i = 0; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
InitializeListHead(&switchContext->portIdHashArray[i]);
}
for (i = 0; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
InitializeListHead(&switchContext->portNoHashArray[i]);
}
for (i = 0; i < OVS_MAX_PID_ARRAY_SIZE; i++) {
InitializeListHead(&switchContext->pidHashArray[i]);
}
NdisAllocateSpinLock(&(switchContext->pidHashLock));
switchContext->isActivated = FALSE;
switchContext->isActivateFailed = FALSE;
switchContext->dpNo = OVS_DP_NUMBER;
ovsTimeIncrementPerTick = KeQueryTimeIncrement() / 10000;
OVS_LOG_TRACE("Exit: Succesfully initialized switchContext: %p",
switchContext);
return NDIS_STATUS_SUCCESS;
}
bool CNdisRWLock::Create(NDIS_HANDLE miniportHandle) {
m_pLock = NdisAllocateRWLock(miniportHandle);
return m_pLock != 0;
}