2 * Copyright (c) 2014 VMware, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
31 #define OVS_DBG_MOD OVS_DBG_VPORT
34 #define VPORT_NIC_ENTER(_nic) \
35 OVS_LOG_TRACE("Enter: PortId: %x, NicIndex: %d", _nic->PortId, \
38 #define VPORT_NIC_EXIT(_nic) \
39 OVS_LOG_TRACE("Exit: PortId: %x, NicIndex: %d", _nic->PortId, \
42 #define VPORT_PORT_ENTER(_port) \
43 OVS_LOG_TRACE("Enter: PortId: %x", _port->PortId)
45 #define VPORT_PORT_EXIT(_port) \
46 OVS_LOG_TRACE("Exit: PortId: %x", _port->PortId)
48 #define OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC 100
50 extern POVS_SWITCH_CONTEXT gOvsSwitchContext;
51 extern PNDIS_SPIN_LOCK gOvsCtrlLock;
53 static VOID OvsInitVportWithPortParam(POVS_VPORT_ENTRY vport,
54 PNDIS_SWITCH_PORT_PARAMETERS portParam);
55 static VOID OvsInitVportWithNicParam(POVS_SWITCH_CONTEXT switchContext,
56 POVS_VPORT_ENTRY vport, PNDIS_SWITCH_NIC_PARAMETERS nicParam);
57 static VOID OvsInitPhysNicVport(POVS_VPORT_ENTRY physExtVPort,
58 POVS_VPORT_ENTRY virtExtVport, UINT32 nicIndex);
59 static __inline VOID OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext,
61 static NTSTATUS OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet,
62 POVS_VPORT_EXT_INFO extInfo);
63 static NTSTATUS CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info,
70 * Functions implemented in relaton to NDIS port manipulation.
73 HvCreatePort(POVS_SWITCH_CONTEXT switchContext,
74 PNDIS_SWITCH_PORT_PARAMETERS portParam)
76 POVS_VPORT_ENTRY vport;
77 LOCK_STATE_EX lockState;
78 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
80 VPORT_PORT_ENTER(portParam);
82 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
83 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
84 portParam->PortId, 0);
85 if (vport != NULL && !vport->hvDeleted) {
86 status = STATUS_DATA_NOT_ACCEPTED;
87 goto create_port_done;
89 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
91 status = NDIS_STATUS_RESOURCES;
92 goto create_port_done;
96 OvsInitVportWithPortParam(vport, portParam);
97 InitHvVportCommon(switchContext, vport);
100 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
101 VPORT_PORT_EXIT(portParam);
106 HvTeardownPort(POVS_SWITCH_CONTEXT switchContext,
107 PNDIS_SWITCH_PORT_PARAMETERS portParam)
109 POVS_VPORT_ENTRY vport;
110 LOCK_STATE_EX lockState;
112 VPORT_PORT_ENTER(portParam);
114 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
115 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
116 portParam->PortId, 0);
118 /* add assertion here
120 vport->portState = NdisSwitchPortStateTeardown;
121 vport->ovsState = OVS_STATE_PORT_TEAR_DOWN;
123 OVS_LOG_WARN("Vport not present.");
125 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
127 VPORT_PORT_EXIT(portParam);
133 HvDeletePort(POVS_SWITCH_CONTEXT switchContext,
134 PNDIS_SWITCH_PORT_PARAMETERS portParams)
136 POVS_VPORT_ENTRY vport;
137 LOCK_STATE_EX lockState;
139 VPORT_PORT_ENTER(portParams);
141 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
142 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
143 portParams->PortId, 0);
146 * XXX: we can only destroy and remove the port if its datapath port
147 * counterpart was deleted. If the datapath port counterpart is present,
148 * we only mark the vport for deletion, so that a netlink command vport
149 * delete will delete the vport.
152 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
153 OvsRemoveAndDeleteVport(switchContext, vport);
155 vport->hvDeleted = TRUE;
158 OVS_LOG_WARN("Vport not present.");
160 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
162 VPORT_PORT_EXIT(portParams);
167 * Functions implemented in relaton to NDIS NIC manipulation.
170 HvCreateNic(POVS_SWITCH_CONTEXT switchContext,
171 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
173 POVS_VPORT_ENTRY vport;
176 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
178 LOCK_STATE_EX lockState;
180 VPORT_NIC_ENTER(nicParam);
182 /* Wait for lists to be initialized. */
183 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
185 if (!switchContext->isActivated) {
186 OVS_LOG_WARN("Switch is not activated yet.");
187 /* Veto the creation of nic */
188 status = NDIS_STATUS_NOT_SUPPORTED;
192 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
193 vport = OvsFindVportByPortIdAndNicIndex(switchContext, nicParam->PortId, 0);
195 OVS_LOG_ERROR("Create NIC without Switch Port,"
196 " PortId: %x, NicIndex: %d",
197 nicParam->PortId, nicParam->NicIndex);
198 status = NDIS_STATUS_INVALID_PARAMETER;
202 if (nicParam->NicType == NdisSwitchNicTypeExternal &&
203 nicParam->NicIndex != 0) {
204 POVS_VPORT_ENTRY virtExtVport =
205 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
207 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
209 status = NDIS_STATUS_RESOURCES;
212 OvsInitPhysNicVport(vport, virtExtVport, nicParam->NicIndex);
213 status = InitHvVportCommon(switchContext, vport);
214 if (status != NDIS_STATUS_SUCCESS) {
215 OvsFreeMemory(vport);
219 OvsInitVportWithNicParam(switchContext, vport, nicParam);
220 portNo = vport->portNo;
221 if (vport->ovsState == OVS_STATE_CONNECTED) {
222 event = OVS_EVENT_CONNECT | OVS_EVENT_LINK_UP;
223 } else if (vport->ovsState == OVS_STATE_NIC_CREATED) {
224 event = OVS_EVENT_CONNECT;
228 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
229 if (portNo != OVS_DPPORT_NUMBER_INVALID && event) {
230 OvsPostEvent(portNo, event);
234 VPORT_NIC_EXIT(nicParam);
235 OVS_LOG_TRACE("Exit: status %8x.\n", status);
241 /* Mark already created NIC as connected. */
243 HvConnectNic(POVS_SWITCH_CONTEXT switchContext,
244 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
246 LOCK_STATE_EX lockState;
247 POVS_VPORT_ENTRY vport;
250 VPORT_NIC_ENTER(nicParam);
252 /* Wait for lists to be initialized. */
253 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
255 if (!switchContext->isActivated) {
256 OVS_LOG_WARN("Switch is not activated yet.");
260 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
261 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
266 OVS_LOG_WARN("Vport not present.");
267 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
272 vport->ovsState = OVS_STATE_CONNECTED;
273 vport->nicState = NdisSwitchNicStateConnected;
274 portNo = vport->portNo;
276 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
278 /* XXX only if portNo != INVALID or always? */
279 OvsPostEvent(portNo, OVS_EVENT_LINK_UP);
281 if (nicParam->NicType == NdisSwitchNicTypeInternal) {
282 OvsInternalAdapterUp(portNo, &nicParam->NetCfgInstanceId);
286 VPORT_NIC_EXIT(nicParam);
290 HvUpdateNic(POVS_SWITCH_CONTEXT switchContext,
291 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
293 POVS_VPORT_ENTRY vport;
294 LOCK_STATE_EX lockState;
296 UINT32 status = 0, portNo = 0;
298 VPORT_NIC_ENTER(nicParam);
300 /* Wait for lists to be initialized. */
301 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
303 if (!switchContext->isActivated) {
304 OVS_LOG_WARN("Switch is not activated yet.");
305 goto update_nic_done;
308 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
309 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
313 OVS_LOG_WARN("Vport search failed.");
314 goto update_nic_done;
316 switch (nicParam->NicType) {
317 case NdisSwitchNicTypeExternal:
318 case NdisSwitchNicTypeInternal:
319 RtlCopyMemory(&vport->netCfgInstanceId, &nicParam->NetCfgInstanceId,
322 case NdisSwitchNicTypeSynthetic:
323 case NdisSwitchNicTypeEmulated:
324 if (!RtlEqualMemory(vport->vmMacAddress, nicParam->VMMacAddress,
325 sizeof (vport->vmMacAddress))) {
326 status |= OVS_EVENT_MAC_CHANGE;
327 RtlCopyMemory(vport->vmMacAddress, nicParam->VMMacAddress,
328 sizeof (vport->vmMacAddress));
334 if (!RtlEqualMemory(vport->permMacAddress, nicParam->PermanentMacAddress,
335 sizeof (vport->permMacAddress))) {
336 RtlCopyMemory(vport->permMacAddress, nicParam->PermanentMacAddress,
337 sizeof (vport->permMacAddress));
338 status |= OVS_EVENT_MAC_CHANGE;
340 if (!RtlEqualMemory(vport->currMacAddress, nicParam->CurrentMacAddress,
341 sizeof (vport->currMacAddress))) {
342 RtlCopyMemory(vport->currMacAddress, nicParam->CurrentMacAddress,
343 sizeof (vport->currMacAddress));
344 status |= OVS_EVENT_MAC_CHANGE;
347 if (vport->mtu != nicParam->MTU) {
348 vport->mtu = nicParam->MTU;
349 status |= OVS_EVENT_MTU_CHANGE;
351 vport->numaNodeId = nicParam->NumaNodeId;
352 portNo = vport->portNo;
354 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
355 if (status && portNo) {
356 OvsPostEvent(portNo, status);
359 VPORT_NIC_EXIT(nicParam);
364 HvDisconnectNic(POVS_SWITCH_CONTEXT switchContext,
365 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
367 POVS_VPORT_ENTRY vport;
369 LOCK_STATE_EX lockState;
370 BOOLEAN isInternalPort = FALSE;
372 VPORT_NIC_ENTER(nicParam);
374 /* Wait for lists to be initialized. */
375 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
377 if (!switchContext->isActivated) {
378 OVS_LOG_WARN("Switch is not activated yet.");
382 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
383 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
388 OVS_LOG_WARN("Vport not present.");
389 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
393 vport->nicState = NdisSwitchNicStateDisconnected;
394 vport->ovsState = OVS_STATE_NIC_CREATED;
395 portNo = vport->portNo;
397 if (vport->ovsType == OVS_VPORT_TYPE_INTERNAL) {
398 isInternalPort = TRUE;
401 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
403 /* XXX if portNo != INVALID or always? */
404 OvsPostEvent(portNo, OVS_EVENT_LINK_DOWN);
406 if (isInternalPort) {
407 OvsInternalAdapterDown();
411 VPORT_NIC_EXIT(nicParam);
416 HvDeleteNic(POVS_SWITCH_CONTEXT switchContext,
417 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
419 LOCK_STATE_EX lockState;
420 POVS_VPORT_ENTRY vport;
423 VPORT_NIC_ENTER(nicParam);
424 /* Wait for lists to be initialized. */
425 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
427 if (!switchContext->isActivated) {
428 OVS_LOG_WARN("Switch is not activated yet.");
432 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
433 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
438 OVS_LOG_WARN("Vport not present.");
439 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
443 portNo = vport->portNo;
444 if (vport->portType == NdisSwitchPortTypeExternal &&
445 vport->nicIndex != 0) {
446 OvsRemoveAndDeleteVport(switchContext, vport);
448 vport->nicState = NdisSwitchNicStateUnknown;
449 vport->ovsState = OVS_STATE_PORT_CREATED;
451 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
452 /* XXX if portNo != INVALID or always? */
453 OvsPostEvent(portNo, OVS_EVENT_DISCONNECT);
456 VPORT_NIC_EXIT(nicParam);
461 * OVS Vport related functionality.
464 OvsFindVportByPortNo(POVS_SWITCH_CONTEXT switchContext,
467 POVS_VPORT_ENTRY vport;
468 PLIST_ENTRY head, link;
469 UINT32 hash = OvsJhashBytes((const VOID *)&portNo, sizeof(portNo),
471 head = &(switchContext->portNoHashArray[hash & OVS_VPORT_MASK]);
472 LIST_FORALL(head, link) {
473 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
474 if (vport->portNo == portNo) {
483 OvsFindVportByOvsName(POVS_SWITCH_CONTEXT switchContext,
486 POVS_VPORT_ENTRY vport;
487 PLIST_ENTRY head, link;
489 SIZE_T length = strlen(name) + 1;
491 hash = OvsJhashBytes((const VOID *)name, length, OVS_HASH_BASIS);
492 head = &(switchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK]);
494 LIST_FORALL(head, link) {
495 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, ovsNameLink);
496 if (!strcmp(name, vport->ovsName)) {
504 /* OvsFindVportByHvName: "name" is assumed to be null-terminated */
506 OvsFindVportByHvName(POVS_SWITCH_CONTEXT switchContext,
509 POVS_VPORT_ENTRY vport = NULL;
510 PLIST_ENTRY head, link;
511 /* 'portFriendlyName' is not NUL-terminated. */
512 SIZE_T length = strlen(name);
513 SIZE_T wstrSize = length * sizeof(WCHAR);
516 PWSTR wsName = OvsAllocateMemory(wstrSize);
520 for (i = 0; i < length; i++) {
524 for (i = 0; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
525 head = &(switchContext->portIdHashArray[i]);
526 LIST_FORALL(head, link) {
527 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
530 * NOTE about portFriendlyName:
531 * If the string is NULL-terminated, the Length member does not
532 * include the terminating NULL character.
534 if (vport->portFriendlyName.Length == wstrSize &&
535 RtlEqualMemory(wsName, vport->portFriendlyName.String,
536 vport->portFriendlyName.Length)) {
545 OvsFreeMemory(wsName);
551 OvsFindVportByPortIdAndNicIndex(POVS_SWITCH_CONTEXT switchContext,
552 NDIS_SWITCH_PORT_ID portId,
553 NDIS_SWITCH_NIC_INDEX index)
555 if (portId == switchContext->virtualExternalPortId) {
556 return (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
557 } else if (switchContext->internalPortId == portId) {
558 return (POVS_VPORT_ENTRY)switchContext->internalVport;
560 PLIST_ENTRY head, link;
561 POVS_VPORT_ENTRY vport;
563 hash = OvsJhashWords((UINT32 *)&portId, 1, OVS_HASH_BASIS);
564 head = &(switchContext->portIdHashArray[hash & OVS_VPORT_MASK]);
565 LIST_FORALL(head, link) {
566 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
567 if (portId == vport->portId && index == vport->nicIndex) {
576 OvsAllocateVport(VOID)
578 POVS_VPORT_ENTRY vport;
579 vport = (POVS_VPORT_ENTRY)OvsAllocateMemory(sizeof (OVS_VPORT_ENTRY));
583 RtlZeroMemory(vport, sizeof (OVS_VPORT_ENTRY));
584 vport->ovsState = OVS_STATE_UNKNOWN;
585 vport->hvDeleted = FALSE;
586 vport->portNo = OVS_DPPORT_NUMBER_INVALID;
588 InitializeListHead(&vport->ovsNameLink);
589 InitializeListHead(&vport->portIdLink);
590 InitializeListHead(&vport->portNoLink);
596 OvsInitVportWithPortParam(POVS_VPORT_ENTRY vport,
597 PNDIS_SWITCH_PORT_PARAMETERS portParam)
599 vport->portType = portParam->PortType;
600 vport->portState = portParam->PortState;
601 vport->portId = portParam->PortId;
602 vport->nicState = NdisSwitchNicStateUnknown;
603 vport->isExternal = FALSE;
604 vport->isBridgeInternal = FALSE;
606 switch (vport->portType) {
607 case NdisSwitchPortTypeExternal:
608 vport->isExternal = TRUE;
609 vport->ovsType = OVS_VPORT_TYPE_NETDEV;
611 case NdisSwitchPortTypeInternal:
612 vport->ovsType = OVS_VPORT_TYPE_INTERNAL;
614 case NdisSwitchPortTypeSynthetic:
615 case NdisSwitchPortTypeEmulated:
616 vport->ovsType = OVS_VPORT_TYPE_NETDEV;
619 RtlCopyMemory(&vport->hvPortName, &portParam->PortName,
620 sizeof (NDIS_SWITCH_PORT_NAME));
621 /* For external and internal ports, 'portFriendlyName' is overwritten
623 RtlCopyMemory(&vport->portFriendlyName, &portParam->PortFriendlyName,
624 sizeof(NDIS_SWITCH_PORT_FRIENDLYNAME));
626 switch (vport->portState) {
627 case NdisSwitchPortStateCreated:
628 vport->ovsState = OVS_STATE_PORT_CREATED;
630 case NdisSwitchPortStateTeardown:
631 vport->ovsState = OVS_STATE_PORT_TEAR_DOWN;
633 case NdisSwitchPortStateDeleted:
634 vport->ovsState = OVS_STATE_PORT_DELETED;
641 OvsInitVportWithNicParam(POVS_SWITCH_CONTEXT switchContext,
642 POVS_VPORT_ENTRY vport,
643 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
645 ASSERT(vport->portId == nicParam->PortId);
646 ASSERT(vport->ovsState == OVS_STATE_PORT_CREATED);
648 UNREFERENCED_PARAMETER(switchContext);
650 RtlCopyMemory(vport->permMacAddress, nicParam->PermanentMacAddress,
651 sizeof (nicParam->PermanentMacAddress));
652 RtlCopyMemory(vport->currMacAddress, nicParam->CurrentMacAddress,
653 sizeof (nicParam->CurrentMacAddress));
655 if (nicParam->NicType == NdisSwitchNicTypeSynthetic ||
656 nicParam->NicType == NdisSwitchNicTypeEmulated) {
657 RtlCopyMemory(vport->vmMacAddress, nicParam->VMMacAddress,
658 sizeof (nicParam->VMMacAddress));
659 RtlCopyMemory(&vport->vmName, &nicParam->VmName,
660 sizeof (nicParam->VmName));
662 RtlCopyMemory(&vport->netCfgInstanceId, &nicParam->NetCfgInstanceId,
663 sizeof (nicParam->NetCfgInstanceId));
665 RtlCopyMemory(&vport->nicName, &nicParam->NicName,
666 sizeof (nicParam->NicName));
667 vport->mtu = nicParam->MTU;
668 vport->nicState = nicParam->NicState;
669 vport->nicIndex = nicParam->NicIndex;
670 vport->numaNodeId = nicParam->NumaNodeId;
672 switch (vport->nicState) {
673 case NdisSwitchNicStateCreated:
674 vport->ovsState = OVS_STATE_NIC_CREATED;
676 case NdisSwitchNicStateConnected:
677 vport->ovsState = OVS_STATE_CONNECTED;
679 case NdisSwitchNicStateDisconnected:
680 vport->ovsState = OVS_STATE_NIC_CREATED;
682 case NdisSwitchNicStateDeleted:
683 vport->ovsState = OVS_STATE_PORT_CREATED;
689 * --------------------------------------------------------------------------
690 * Copies the relevant NDIS port properties from a virtual (pseudo) external
691 * NIC to a physical (real) external NIC.
692 * --------------------------------------------------------------------------
695 OvsInitPhysNicVport(POVS_VPORT_ENTRY physExtVport,
696 POVS_VPORT_ENTRY virtExtVport,
699 physExtVport->portType = virtExtVport->portType;
700 physExtVport->portState = virtExtVport->portState;
701 physExtVport->portId = virtExtVport->portId;
702 physExtVport->nicState = NdisSwitchNicStateUnknown;
703 physExtVport->ovsType = OVS_VPORT_TYPE_NETDEV;
704 physExtVport->isExternal = TRUE;
705 physExtVport->isBridgeInternal = FALSE;
706 physExtVport->nicIndex = (NDIS_SWITCH_NIC_INDEX)physNicIndex;
708 RtlCopyMemory(&physExtVport->hvPortName, &virtExtVport->hvPortName,
709 sizeof (NDIS_SWITCH_PORT_NAME));
711 /* 'portFriendlyName' is overwritten later. */
712 RtlCopyMemory(&physExtVport->portFriendlyName,
713 &virtExtVport->portFriendlyName,
714 sizeof(NDIS_SWITCH_PORT_FRIENDLYNAME));
716 physExtVport->ovsState = OVS_STATE_PORT_CREATED;
720 * --------------------------------------------------------------------------
721 * Initializes a tunnel vport.
722 * --------------------------------------------------------------------------
725 OvsInitTunnelVport(POVS_VPORT_ENTRY vport,
726 OVS_VPORT_TYPE ovsType,
729 NTSTATUS status = STATUS_SUCCESS;
731 vport->isBridgeInternal = FALSE;
732 vport->ovsType = ovsType;
733 vport->ovsState = OVS_STATE_PORT_CREATED;
735 case OVS_VPORT_TYPE_GRE:
737 case OVS_VPORT_TYPE_GRE64:
739 case OVS_VPORT_TYPE_VXLAN:
740 status = OvsInitVxlanTunnel(vport, dstPort);
749 * --------------------------------------------------------------------------
750 * Initializes a bridge internal vport ie. a port of type
751 * OVS_VPORT_TYPE_INTERNAL but not present on the Hyper-V switch.
752 * --------------------------------------------------------------------------
755 OvsInitBridgeInternalVport(POVS_VPORT_ENTRY vport)
757 vport->isBridgeInternal = TRUE;
758 vport->ovsType = OVS_VPORT_TYPE_INTERNAL;
759 /* Mark the status to be connected, since there is no other initialization
761 vport->ovsState = OVS_STATE_CONNECTED;
762 return STATUS_SUCCESS;
766 * --------------------------------------------------------------------------
767 * For external vports 'portFriendlyName' provided by Hyper-V is over-written
768 * by synthetic names.
769 * --------------------------------------------------------------------------
772 AssignNicNameSpecial(POVS_VPORT_ENTRY vport)
776 if (vport->portType == NdisSwitchPortTypeExternal) {
777 if (vport->nicIndex == 0) {
778 ASSERT(vport->nicIndex == 0);
779 RtlStringCbPrintfW(vport->portFriendlyName.String,
781 L"%s.virtualAdapter", OVS_DPPORT_EXTERNAL_NAME_W);
783 RtlStringCbPrintfW(vport->portFriendlyName.String,
785 L"%s.%lu", OVS_DPPORT_EXTERNAL_NAME_W,
786 (UINT32)vport->nicIndex);
789 RtlStringCbPrintfW(vport->portFriendlyName.String,
791 L"%s", OVS_DPPORT_INTERNAL_NAME_W);
794 RtlStringCbLengthW(vport->portFriendlyName.String, IF_MAX_STRING_SIZE,
796 vport->portFriendlyName.Length = (USHORT)len;
801 * --------------------------------------------------------------------------
802 * Functionality common to any port on the Hyper-V switch. This function is not
803 * to be called for a port that is not on the Hyper-V switch.
805 * Inserts the port into 'portIdHashArray' and caches the pointer in the
806 * 'switchContext' if needed.
808 * For external NIC, assigns the name for the NIC.
809 * --------------------------------------------------------------------------
812 InitHvVportCommon(POVS_SWITCH_CONTEXT switchContext,
813 POVS_VPORT_ENTRY vport)
816 ASSERT(vport->portNo == OVS_DPPORT_NUMBER_INVALID);
818 switch (vport->portType) {
819 case NdisSwitchPortTypeExternal:
821 * Overwrite the 'portFriendlyName' of this external vport. The reason
822 * for having this in common code is to be able to call it from the NDIS
823 * Port callback as well as the NDIS NIC callback.
825 AssignNicNameSpecial(vport);
827 if (vport->nicIndex == 0) {
828 switchContext->virtualExternalPortId = vport->portId;
829 switchContext->virtualExternalVport = vport;
831 switchContext->numPhysicalNics++;
834 case NdisSwitchPortTypeInternal:
835 ASSERT(vport->isBridgeInternal == FALSE);
837 /* Overwrite the 'portFriendlyName' of the internal vport. */
838 AssignNicNameSpecial(vport);
839 switchContext->internalPortId = vport->portId;
840 switchContext->internalVport = vport;
842 case NdisSwitchPortTypeSynthetic:
843 case NdisSwitchPortTypeEmulated:
848 * It is important to not insert vport corresponding to virtual external
849 * port into the 'portIdHashArray' since the port should not be exposed to
852 if (vport->portType == NdisSwitchPortTypeExternal &&
853 vport->nicIndex == 0) {
854 return NDIS_STATUS_SUCCESS;
858 * NOTE: OvsJhashWords has portId as "1" word. This should be ok, even
859 * though sizeof(NDIS_SWITCH_PORT_ID) = 4, not 2, because the
860 * hyper-v switch seems to use only 2 bytes out of 4.
862 hash = OvsJhashWords(&vport->portId, 1, OVS_HASH_BASIS);
863 InsertHeadList(&switchContext->portIdHashArray[hash & OVS_VPORT_MASK],
865 switchContext->numHvVports++;
866 return NDIS_STATUS_SUCCESS;
870 * --------------------------------------------------------------------------
871 * Functionality common to any port added from OVS userspace.
873 * Inserts the port into 'portIdHashArray', 'ovsPortNameHashArray' and caches
874 * the pointer in the 'switchContext' if needed.
875 * --------------------------------------------------------------------------
878 InitOvsVportCommon(POVS_SWITCH_CONTEXT switchContext,
879 POVS_VPORT_ENTRY vport)
883 switch(vport->ovsType) {
884 case OVS_VPORT_TYPE_VXLAN:
885 ASSERT(switchContext->vxlanVport == NULL);
886 switchContext->vxlanVport = vport;
887 switchContext->numNonHvVports++;
889 case OVS_VPORT_TYPE_INTERNAL:
890 if (vport->isBridgeInternal) {
891 switchContext->numNonHvVports++;
898 * Insert the port into the hash array of ports: by port number and ovs
899 * and ovs (datapath) port name.
900 * NOTE: OvsJhashWords has portNo as "1" word. This is ok, because the
901 * portNo is stored in 2 bytes only (max port number = MAXUINT16).
903 hash = OvsJhashWords(&vport->portNo, 1, OVS_HASH_BASIS);
904 InsertHeadList(&gOvsSwitchContext->portNoHashArray[hash & OVS_VPORT_MASK],
907 hash = OvsJhashBytes(vport->ovsName, strlen(vport->ovsName) + 1,
909 InsertHeadList(&gOvsSwitchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK],
910 &vport->ovsNameLink);
912 return STATUS_SUCCESS;
917 * --------------------------------------------------------------------------
918 * Provides functionality that is partly complementatry to
919 * InitOvsVportCommon()/InitHvVportCommon().
920 * --------------------------------------------------------------------------
923 OvsRemoveAndDeleteVport(POVS_SWITCH_CONTEXT switchContext,
924 POVS_VPORT_ENTRY vport)
926 BOOLEAN hvSwitchPort = FALSE;
928 if (vport->isExternal) {
929 if (vport->nicIndex == 0) {
930 ASSERT(switchContext->numPhysicalNics == 0);
931 switchContext->virtualExternalPortId = 0;
932 switchContext->virtualExternalVport = NULL;
933 OvsFreeMemory(vport);
936 ASSERT(switchContext->numPhysicalNics);
937 switchContext->numPhysicalNics--;
942 switch (vport->ovsType) {
943 case OVS_VPORT_TYPE_INTERNAL:
944 if (!vport->isBridgeInternal) {
945 switchContext->internalPortId = 0;
946 switchContext->internalVport = NULL;
947 OvsInternalAdapterDown();
951 case OVS_VPORT_TYPE_VXLAN:
952 OvsCleanupVxlanTunnel(vport);
953 switchContext->vxlanVport = NULL;
955 case OVS_VPORT_TYPE_GRE:
956 case OVS_VPORT_TYPE_GRE64:
958 case OVS_VPORT_TYPE_NETDEV:
964 RemoveEntryList(&vport->ovsNameLink);
965 RemoveEntryList(&vport->portIdLink);
966 RemoveEntryList(&vport->portNoLink);
968 switchContext->numHvVports--;
970 switchContext->numNonHvVports--;
972 OvsFreeMemory(vport);
977 OvsAddConfiguredSwitchPorts(POVS_SWITCH_CONTEXT switchContext)
979 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
981 PNDIS_SWITCH_PORT_PARAMETERS portParam;
982 PNDIS_SWITCH_PORT_ARRAY portArray = NULL;
983 POVS_VPORT_ENTRY vport;
985 OVS_LOG_TRACE("Enter: switchContext:%p", switchContext);
987 status = OvsGetPortsOnSwitch(switchContext, &portArray);
988 if (status != NDIS_STATUS_SUCCESS) {
992 for (arrIndex = 0; arrIndex < portArray->NumElements; arrIndex++) {
993 portParam = NDIS_SWITCH_PORT_AT_ARRAY_INDEX(portArray, arrIndex);
995 if (portParam->IsValidationPort) {
999 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
1000 if (vport == NULL) {
1001 status = NDIS_STATUS_RESOURCES;
1004 OvsInitVportWithPortParam(vport, portParam);
1005 status = InitHvVportCommon(switchContext, vport);
1006 if (status != NDIS_STATUS_SUCCESS) {
1007 OvsFreeMemory(vport);
1012 if (status != NDIS_STATUS_SUCCESS) {
1013 OvsClearAllSwitchVports(switchContext);
1016 if (portArray != NULL) {
1017 OvsFreeMemory(portArray);
1019 OVS_LOG_TRACE("Exit: status: %x", status);
1025 OvsInitConfiguredSwitchNics(POVS_SWITCH_CONTEXT switchContext)
1027 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
1028 PNDIS_SWITCH_NIC_ARRAY nicArray = NULL;
1030 PNDIS_SWITCH_NIC_PARAMETERS nicParam;
1031 POVS_VPORT_ENTRY vport;
1033 OVS_LOG_TRACE("Enter: switchContext: %p", switchContext);
1035 * Now, get NIC list.
1037 status = OvsGetNicsOnSwitch(switchContext, &nicArray);
1038 if (status != NDIS_STATUS_SUCCESS) {
1041 for (arrIndex = 0; arrIndex < nicArray->NumElements; ++arrIndex) {
1043 nicParam = NDIS_SWITCH_NIC_AT_ARRAY_INDEX(nicArray, arrIndex);
1046 * XXX: Check if the port is configured with a VLAN. Disallow such a
1047 * configuration, since we don't support tag-in-tag.
1051 * XXX: Check if the port is connected to a VF. Disconnect the VF in
1055 if (nicParam->NicType == NdisSwitchNicTypeExternal &&
1056 nicParam->NicIndex != 0) {
1057 POVS_VPORT_ENTRY virtExtVport =
1058 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
1060 vport = OvsAllocateVport();
1062 OvsInitPhysNicVport(vport, virtExtVport,
1063 nicParam->NicIndex);
1064 status = InitHvVportCommon(switchContext, vport);
1065 if (status != NDIS_STATUS_SUCCESS) {
1066 OvsFreeMemory(vport);
1071 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
1073 nicParam->NicIndex);
1075 if (vport == NULL) {
1076 OVS_LOG_ERROR("Fail to allocate vport");
1079 OvsInitVportWithNicParam(switchContext, vport, nicParam);
1080 if (nicParam->NicType == NdisSwitchNicTypeInternal) {
1081 OvsInternalAdapterUp(vport->portNo, &nicParam->NetCfgInstanceId);
1086 if (nicArray != NULL) {
1087 OvsFreeMemory(nicArray);
1089 OVS_LOG_TRACE("Exit: status: %x", status);
1094 * --------------------------------------------------------------------------
1095 * Deletes ports added from the Hyper-V switch as well as OVS usersapce. The
1096 * function deletes ports in 'portIdHashArray'. This will delete most of the
1097 * ports that are in the 'portNoHashArray' as well. Any remaining ports
1098 * are deleted by walking the the 'portNoHashArray'.
1099 * --------------------------------------------------------------------------
1102 OvsClearAllSwitchVports(POVS_SWITCH_CONTEXT switchContext)
1104 for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) {
1105 PLIST_ENTRY head, link, next;
1107 head = &(switchContext->portIdHashArray[hash & OVS_VPORT_MASK]);
1108 LIST_FORALL_SAFE(head, link, next) {
1109 POVS_VPORT_ENTRY vport;
1110 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
1111 OvsRemoveAndDeleteVport(switchContext, vport);
1115 * Remove 'virtualExternalVport' as well. This port is not part of the
1116 * 'portIdHashArray'.
1118 if (switchContext->virtualExternalVport) {
1119 OvsRemoveAndDeleteVport(switchContext,
1120 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport);
1123 for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) {
1124 PLIST_ENTRY head, link, next;
1126 head = &(switchContext->portNoHashArray[hash & OVS_VPORT_MASK]);
1127 LIST_FORALL_SAFE(head, link, next) {
1128 POVS_VPORT_ENTRY vport;
1129 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
1130 ASSERT(OvsIsTunnelVportType(vport->ovsType) ||
1131 (vport->ovsType == OVS_VPORT_TYPE_INTERNAL &&
1132 vport->isBridgeInternal));
1133 OvsRemoveAndDeleteVport(switchContext, vport);
1137 ASSERT(switchContext->virtualExternalVport == NULL);
1138 ASSERT(switchContext->internalVport == NULL);
1139 ASSERT(switchContext->vxlanVport == NULL);
1144 OvsConvertIfCountedStrToAnsiStr(PIF_COUNTED_STRING wStr,
1149 UNICODE_STRING ustr;
1153 ustr.Buffer = wStr->String;
1154 ustr.Length = wStr->Length;
1155 ustr.MaximumLength = IF_MAX_STRING_SIZE;
1158 astr.MaximumLength = maxStrLen;
1161 size = RtlUnicodeStringToAnsiSize(&ustr);
1162 if (size > maxStrLen) {
1163 return STATUS_BUFFER_OVERFLOW;
1166 status = RtlUnicodeStringToAnsiString(&astr, &ustr, FALSE);
1168 ASSERT(status == STATUS_SUCCESS);
1169 if (status != STATUS_SUCCESS) {
1172 ASSERT(astr.Length <= maxStrLen);
1173 str[astr.Length] = 0;
1174 return STATUS_SUCCESS;
1179 * XXX: Get rid of USE_NEW_VPORT_ADD_WORKFLOW while checking in the code for
1180 * new vport add workflow, or set USE_NEW_VPORT_ADD_WORKFLOW to 1.
1182 #define USE_NEW_VPORT_ADD_WORKFLOW 1
1184 OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet,
1185 POVS_VPORT_EXT_INFO extInfo)
1187 POVS_VPORT_ENTRY vport;
1189 LOCK_STATE_EX lockState;
1190 NTSTATUS status = STATUS_SUCCESS;
1191 BOOLEAN doConvert = FALSE;
1193 RtlZeroMemory(extInfo, sizeof (POVS_VPORT_EXT_INFO));
1194 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState,
1195 NDIS_RWL_AT_DISPATCH_LEVEL);
1196 if (vportGet->portNo == 0) {
1197 StringCbLengthA(vportGet->name, OVS_MAX_PORT_NAME_LENGTH - 1, &len);
1198 #if USE_NEW_VPORT_ADD_WORKFLOW == 0
1199 vport = OvsFindVportByOvsName(gOvsSwitchContext, vportGet->name,
1202 vport = OvsFindVportByHvName(gOvsSwitchContext, vportGet->name);
1205 vport = OvsFindVportByPortNo(gOvsSwitchContext, vportGet->portNo);
1207 if (vport == NULL || (vport->ovsState != OVS_STATE_CONNECTED &&
1208 vport->ovsState != OVS_STATE_NIC_CREATED)) {
1209 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1210 NdisReleaseSpinLock(gOvsCtrlLock);
1211 if (vportGet->portNo) {
1212 OVS_LOG_WARN("vport %u does not exist any more", vportGet->portNo);
1214 OVS_LOG_WARN("vport %s does not exist any more", vportGet->name);
1216 status = STATUS_DEVICE_DOES_NOT_EXIST;
1219 extInfo->dpNo = vportGet->dpNo;
1220 extInfo->portNo = vport->portNo;
1221 RtlCopyMemory(extInfo->macAddress, vport->currMacAddress,
1222 sizeof (vport->currMacAddress));
1223 RtlCopyMemory(extInfo->permMACAddress, vport->permMacAddress,
1224 sizeof (vport->permMacAddress));
1225 if (vport->ovsType == OVS_VPORT_TYPE_NETDEV) {
1226 RtlCopyMemory(extInfo->vmMACAddress, vport->vmMacAddress,
1227 sizeof (vport->vmMacAddress));
1229 extInfo->nicIndex = vport->nicIndex;
1230 extInfo->portId = vport->portId;
1231 extInfo->type = vport->ovsType;
1232 extInfo->mtu = vport->mtu;
1236 if (vport->ovsState == OVS_STATE_NIC_CREATED) {
1237 extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_DOWN;
1238 } else if (vport->ovsState == OVS_STATE_CONNECTED) {
1239 extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_UP;
1241 extInfo->status = OVS_EVENT_DISCONNECT;
1243 if (extInfo->type == OVS_VPORT_TYPE_NETDEV &&
1244 (vport->ovsState == OVS_STATE_NIC_CREATED ||
1245 vport->ovsState == OVS_STATE_CONNECTED)) {
1248 extInfo->vmUUID[0] = 0;
1249 extInfo->vifUUID[0] = 0;
1251 #if USE_NEW_VPORT_ADD_WORKFLOW == 0
1252 RtlCopyMemory(extInfo->name, vport->ovsName, vport->ovsNameLen + 1);
1254 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1255 NdisReleaseSpinLock(gOvsCtrlLock);
1257 #if USE_NEW_VPORT_ADD_WORKFLOW == 1
1258 status = OvsConvertIfCountedStrToAnsiStr(&vport->portFriendlyName,
1260 OVS_MAX_PORT_NAME_LENGTH);
1261 if (status != STATUS_SUCCESS) {
1262 OVS_LOG_INFO("Fail to convert NIC name.");
1263 extInfo->vmUUID[0] = 0;
1267 status = OvsConvertIfCountedStrToAnsiStr(&vport->vmName,
1269 OVS_MAX_VM_UUID_LEN);
1270 if (status != STATUS_SUCCESS) {
1271 OVS_LOG_INFO("Fail to convert VM name.");
1272 extInfo->vmUUID[0] = 0;
1275 status = OvsConvertIfCountedStrToAnsiStr(&vport->nicName,
1277 OVS_MAX_VIF_UUID_LEN);
1278 if (status != STATUS_SUCCESS) {
1279 OVS_LOG_INFO("Fail to convert nic UUID");
1280 extInfo->vifUUID[0] = 0;
1283 * for now ignore status
1285 status = STATUS_SUCCESS;
1293 * --------------------------------------------------------------------------
1294 * Command Handler for 'OVS_WIN_NETDEV_CMD_GET'.
1295 * --------------------------------------------------------------------------
1298 OvsGetNetdevCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1301 NTSTATUS status = STATUS_SUCCESS;
1302 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
1303 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1304 NL_ERROR nlError = NL_ERROR_SUCCESS;
1305 OVS_VPORT_GET vportGet;
1306 OVS_VPORT_EXT_INFO info;
1307 LOCK_STATE_EX lockState;
1309 static const NL_POLICY ovsNetdevPolicy[] = {
1310 [OVS_WIN_NETDEV_ATTR_NAME] = { .type = NL_A_STRING,
1312 .maxLen = IFNAMSIZ },
1314 PNL_ATTR netdevAttrs[ARRAY_SIZE(ovsNetdevPolicy)];
1316 /* input buffer has been validated while validating transaction dev op. */
1317 ASSERT(usrParamsCtx->inputBuffer != NULL &&
1318 usrParamsCtx->inputLength > sizeof *msgIn);
1320 if (msgOut == NULL || usrParamsCtx->outputLength < sizeof *msgOut) {
1321 return STATUS_INVALID_BUFFER_SIZE;
1324 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
1325 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
1326 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
1327 ovsNetdevPolicy, netdevAttrs, ARRAY_SIZE(netdevAttrs))) {
1328 return STATUS_INVALID_PARAMETER;
1331 OvsAcquireCtrlLock();
1332 if (!gOvsSwitchContext) {
1333 OvsReleaseCtrlLock();
1334 return STATUS_INVALID_PARAMETER;
1337 vportGet.portNo = 0;
1338 RtlCopyMemory(&vportGet.name, NlAttrGet(netdevAttrs[OVS_VPORT_ATTR_NAME]),
1339 NlAttrGetSize(netdevAttrs[OVS_VPORT_ATTR_NAME]));
1341 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1342 status = OvsGetExtInfoIoctl(&vportGet, &info);
1343 if (status == STATUS_DEVICE_DOES_NOT_EXIST) {
1344 nlError = NL_ERROR_NODEV;
1345 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1346 OvsReleaseCtrlLock();
1349 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1351 status = CreateNetlinkMesgForNetdev(&info, msgIn,
1352 usrParamsCtx->outputBuffer, usrParamsCtx->outputLength,
1353 gOvsSwitchContext->dpNo);
1354 if (status == STATUS_SUCCESS) {
1355 *replyLen = msgOut->nlMsg.nlmsgLen;
1357 OvsReleaseCtrlLock();
1360 if (nlError != NL_ERROR_SUCCESS) {
1361 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
1362 usrParamsCtx->outputBuffer;
1364 BuildErrorMsg(msgIn, msgError, nlError);
1365 *replyLen = msgError->nlMsg.nlmsgLen;
1368 return STATUS_SUCCESS;
1373 * --------------------------------------------------------------------------
1374 * Utility function to construct an OVS_MESSAGE for the specified vport. The
1375 * OVS_MESSAGE contains the output of a netdev command.
1376 * --------------------------------------------------------------------------
1379 CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info,
1389 UINT32 netdevFlags = 0;
1391 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1393 BuildReplyMsgFromMsgIn(msgIn, &msgOut, 0);
1394 msgOut.ovsHdr.dp_ifindex = dpIfIndex;
1396 ok = NlMsgPutHead(&nlBuffer, (PCHAR)&msgOut, sizeof msgOut);
1398 return STATUS_INSUFFICIENT_RESOURCES;
1401 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_PORT_NO,
1404 return STATUS_INSUFFICIENT_RESOURCES;
1407 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_TYPE, info->type);
1409 return STATUS_INSUFFICIENT_RESOURCES;
1412 ok = NlMsgPutTailString(&nlBuffer, OVS_WIN_NETDEV_ATTR_NAME,
1415 return STATUS_INSUFFICIENT_RESOURCES;
1418 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_WIN_NETDEV_ATTR_MAC_ADDR,
1419 (PCHAR)info->macAddress, sizeof (info->macAddress));
1421 return STATUS_INSUFFICIENT_RESOURCES;
1424 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_MTU, info->mtu);
1426 return STATUS_INSUFFICIENT_RESOURCES;
1429 if (info->status != OVS_EVENT_CONNECT) {
1430 netdevFlags = OVS_WIN_NETDEV_IFF_UP;
1432 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_IF_FLAGS,
1435 return STATUS_INSUFFICIENT_RESOURCES;
1439 * XXX: add netdev_stats when we have the definition available in the
1443 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1444 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1446 return STATUS_SUCCESS;
1449 static __inline VOID
1450 OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext, ULONG sleepMicroSec)
1452 while ((!switchContext->isActivated) &&
1453 (!switchContext->isActivateFailed)) {
1454 /* Wait for the switch to be active and
1455 * the list of ports in OVS to be initialized. */
1456 NdisMSleep(sleepMicroSec);