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.
32 #define OVS_DBG_MOD OVS_DBG_VPORT
35 #define VPORT_NIC_ENTER(_nic) \
36 OVS_LOG_TRACE("Enter: PortId: %x, NicIndex: %d", _nic->PortId, \
39 #define VPORT_NIC_EXIT(_nic) \
40 OVS_LOG_TRACE("Exit: PortId: %x, NicIndex: %d", _nic->PortId, \
43 #define VPORT_PORT_ENTER(_port) \
44 OVS_LOG_TRACE("Enter: PortId: %x", _port->PortId)
46 #define VPORT_PORT_EXIT(_port) \
47 OVS_LOG_TRACE("Exit: PortId: %x", _port->PortId)
49 #define OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC 100
51 /* Context structure used to pass back and forth information to the tunnel
53 typedef struct _OVS_TUNFLT_INIT_CONTEXT {
54 POVS_SWITCH_CONTEXT switchContext;
58 POVS_VPORT_ENTRY vport;
62 } OVS_TUNFLT_INIT_CONTEXT, *POVS_TUNFLT_INIT_CONTEXT;
65 extern POVS_SWITCH_CONTEXT gOvsSwitchContext;
67 static VOID OvsInitVportWithPortParam(POVS_VPORT_ENTRY vport,
68 PNDIS_SWITCH_PORT_PARAMETERS portParam);
69 static VOID OvsInitVportWithNicParam(POVS_SWITCH_CONTEXT switchContext,
70 POVS_VPORT_ENTRY vport, PNDIS_SWITCH_NIC_PARAMETERS nicParam);
71 static VOID OvsInitPhysNicVport(POVS_VPORT_ENTRY physExtVPort,
72 POVS_VPORT_ENTRY virtExtVport, UINT32 nicIndex);
73 static __inline VOID OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext,
75 static NTSTATUS OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet,
76 POVS_VPORT_EXT_INFO extInfo);
77 static NTSTATUS CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info,
82 static POVS_VPORT_ENTRY OvsFindVportByHvNameW(POVS_SWITCH_CONTEXT switchContext,
83 PWSTR wsName, SIZE_T wstrSize);
84 static NDIS_STATUS InitHvVportCommon(POVS_SWITCH_CONTEXT switchContext,
85 POVS_VPORT_ENTRY vport,
87 static VOID OvsCleanupVportCommon(POVS_SWITCH_CONTEXT switchContext,
88 POVS_VPORT_ENTRY vport,
92 static VOID OvsTunnelVportPendingInit(PVOID context,
95 static VOID OvsTunnelVportPendingUninit(PVOID context,
101 * Functions implemented in relaton to NDIS port manipulation.
104 HvCreatePort(POVS_SWITCH_CONTEXT switchContext,
105 PNDIS_SWITCH_PORT_PARAMETERS portParam)
107 POVS_VPORT_ENTRY vport;
108 LOCK_STATE_EX lockState;
109 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
110 BOOLEAN newPort = FALSE;
112 VPORT_PORT_ENTER(portParam);
114 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
115 /* Lookup by port ID. */
116 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
117 portParam->PortId, 0);
119 OVS_LOG_ERROR("Port add failed due to duplicate port name, "
120 "port Id: %u", portParam->PortId);
121 status = STATUS_DATA_NOT_ACCEPTED;
122 goto create_port_done;
126 * Lookup by port name to see if this port with this name had been added
127 * (and deleted) previously.
129 vport = OvsFindVportByHvNameW(gOvsSwitchContext,
130 portParam->PortFriendlyName.String,
131 portParam->PortFriendlyName.Length);
132 if (vport && vport->isPresentOnHv == FALSE) {
133 OVS_LOG_ERROR("Port add failed since a port already exists on "
134 "the specified port Id: %u, ovsName: %s",
135 portParam->PortId, vport->ovsName);
136 status = STATUS_DATA_NOT_ACCEPTED;
137 goto create_port_done;
141 ASSERT(vport->isPresentOnHv);
142 ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID);
145 * It should be possible to simply just mark this port as "not deleted"
146 * given that the port Id and the name are the same and also provided
147 * that the other properties that we cache have not changed.
149 if (vport->portType != portParam->PortType) {
150 OVS_LOG_INFO("Port add failed due to PortType change, port Id: %u"
151 " old: %u, new: %u", portParam->PortId,
152 vport->portType, portParam->PortType);
153 status = STATUS_DATA_NOT_ACCEPTED;
154 goto create_port_done;
156 vport->isPresentOnHv = FALSE;
158 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
160 status = NDIS_STATUS_RESOURCES;
161 goto create_port_done;
165 OvsInitVportWithPortParam(vport, portParam);
166 InitHvVportCommon(switchContext, vport, newPort);
169 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
170 VPORT_PORT_EXIT(portParam);
176 * Function updating the port properties
179 HvUpdatePort(POVS_SWITCH_CONTEXT switchContext,
180 PNDIS_SWITCH_PORT_PARAMETERS portParam)
182 POVS_VPORT_ENTRY vport;
183 LOCK_STATE_EX lockState;
184 OVS_VPORT_STATE ovsState;
185 NDIS_SWITCH_NIC_STATE nicState;
187 VPORT_PORT_ENTER(portParam);
189 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
190 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
191 portParam->PortId, 0);
193 * Update properties only for NETDEV ports for supprting PS script
194 * We don't allow changing the names of the internal or external ports
196 if (vport == NULL || (( vport->portType != NdisSwitchPortTypeSynthetic) &&
197 ( vport->portType != NdisSwitchPortTypeEmulated))) {
198 goto update_port_done;
201 /* Store the nic and the OVS states as Nic Create won't be called */
202 ovsState = vport->ovsState;
203 nicState = vport->nicState;
206 * Currently only the port friendly name is being updated
207 * Make sure that no other properties are changed
209 ASSERT(portParam->PortId == vport->portId);
210 ASSERT(portParam->PortState == vport->portState);
211 ASSERT(portParam->PortType == vport->portType);
214 * Call the set parameters function the handle all properties
215 * change in a single place in case future version supports change of
218 OvsInitVportWithPortParam(vport, portParam);
219 /* Retore the nic and OVS states */
220 vport->nicState = nicState;
221 vport->ovsState = ovsState;
224 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
225 VPORT_PORT_EXIT(portParam);
227 /* Must always return success */
228 return NDIS_STATUS_SUCCESS;
232 HvTeardownPort(POVS_SWITCH_CONTEXT switchContext,
233 PNDIS_SWITCH_PORT_PARAMETERS portParam)
235 POVS_VPORT_ENTRY vport;
236 LOCK_STATE_EX lockState;
238 VPORT_PORT_ENTER(portParam);
240 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
241 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
242 portParam->PortId, 0);
244 /* add assertion here */
245 vport->portState = NdisSwitchPortStateTeardown;
246 vport->ovsState = OVS_STATE_PORT_TEAR_DOWN;
248 OVS_LOG_WARN("Vport not present.");
250 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
252 VPORT_PORT_EXIT(portParam);
257 HvDeletePort(POVS_SWITCH_CONTEXT switchContext,
258 PNDIS_SWITCH_PORT_PARAMETERS portParams)
260 POVS_VPORT_ENTRY vport;
261 LOCK_STATE_EX lockState;
263 VPORT_PORT_ENTER(portParams);
265 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
266 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
267 portParams->PortId, 0);
270 * XXX: we can only destroy and remove the port if its datapath port
271 * counterpart was deleted. If the datapath port counterpart is present,
272 * we only mark the vport for deletion, so that a netlink command vport
273 * delete will delete the vport.
276 OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, FALSE);
278 OVS_LOG_WARN("Vport not present.");
280 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
282 VPORT_PORT_EXIT(portParams);
287 * Functions implemented in relaton to NDIS NIC manipulation.
290 HvCreateNic(POVS_SWITCH_CONTEXT switchContext,
291 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
293 POVS_VPORT_ENTRY vport;
296 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
298 LOCK_STATE_EX lockState;
300 VPORT_NIC_ENTER(nicParam);
302 /* Wait for lists to be initialized. */
303 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
305 if (!switchContext->isActivated) {
306 OVS_LOG_WARN("Switch is not activated yet.");
307 /* Veto the creation of nic */
308 status = NDIS_STATUS_NOT_SUPPORTED;
312 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
313 vport = OvsFindVportByPortIdAndNicIndex(switchContext, nicParam->PortId, 0);
315 OVS_LOG_ERROR("Create NIC without Switch Port,"
316 " PortId: %x, NicIndex: %d",
317 nicParam->PortId, nicParam->NicIndex);
318 status = NDIS_STATUS_INVALID_PARAMETER;
322 if (nicParam->NicType == NdisSwitchNicTypeExternal &&
323 nicParam->NicIndex != 0) {
324 POVS_VPORT_ENTRY virtExtVport =
325 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
327 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
329 status = NDIS_STATUS_RESOURCES;
332 OvsInitPhysNicVport(vport, virtExtVport, nicParam->NicIndex);
333 status = InitHvVportCommon(switchContext, vport, TRUE);
334 if (status != NDIS_STATUS_SUCCESS) {
335 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
339 OvsInitVportWithNicParam(switchContext, vport, nicParam);
340 portNo = vport->portNo;
341 if (vport->ovsState == OVS_STATE_CONNECTED) {
342 event = OVS_EVENT_CONNECT | OVS_EVENT_LINK_UP;
343 } else if (vport->ovsState == OVS_STATE_NIC_CREATED) {
344 event = OVS_EVENT_CONNECT;
348 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
349 if (portNo != OVS_DPPORT_NUMBER_INVALID && event) {
350 OvsPostEvent(portNo, event);
354 VPORT_NIC_EXIT(nicParam);
355 OVS_LOG_TRACE("Exit: status %8x.\n", status);
361 /* Mark already created NIC as connected. */
363 HvConnectNic(POVS_SWITCH_CONTEXT switchContext,
364 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
366 LOCK_STATE_EX lockState;
367 POVS_VPORT_ENTRY vport;
370 VPORT_NIC_ENTER(nicParam);
372 /* Wait for lists to be initialized. */
373 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
375 if (!switchContext->isActivated) {
376 OVS_LOG_WARN("Switch is not activated yet.");
380 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
381 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
386 OVS_LOG_WARN("Vport not present.");
387 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
392 vport->ovsState = OVS_STATE_CONNECTED;
393 vport->nicState = NdisSwitchNicStateConnected;
394 portNo = vport->portNo;
396 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
398 /* XXX only if portNo != INVALID or always? */
399 OvsPostEvent(portNo, OVS_EVENT_LINK_UP);
401 if (nicParam->NicType == NdisSwitchNicTypeInternal) {
402 OvsInternalAdapterUp(portNo, &nicParam->NetCfgInstanceId);
406 VPORT_NIC_EXIT(nicParam);
410 HvUpdateNic(POVS_SWITCH_CONTEXT switchContext,
411 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
413 POVS_VPORT_ENTRY vport;
414 LOCK_STATE_EX lockState;
416 UINT32 status = 0, portNo = 0;
418 VPORT_NIC_ENTER(nicParam);
420 /* Wait for lists to be initialized. */
421 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
423 if (!switchContext->isActivated) {
424 OVS_LOG_WARN("Switch is not activated yet.");
425 goto update_nic_done;
428 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
429 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
433 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
434 OVS_LOG_WARN("Vport search failed.");
435 goto update_nic_done;
437 switch (nicParam->NicType) {
438 case NdisSwitchNicTypeExternal:
439 case NdisSwitchNicTypeInternal:
440 RtlCopyMemory(&vport->netCfgInstanceId, &nicParam->NetCfgInstanceId,
443 case NdisSwitchNicTypeSynthetic:
444 case NdisSwitchNicTypeEmulated:
445 if (!RtlEqualMemory(vport->vmMacAddress, nicParam->VMMacAddress,
446 sizeof (vport->vmMacAddress))) {
447 status |= OVS_EVENT_MAC_CHANGE;
448 RtlCopyMemory(vport->vmMacAddress, nicParam->VMMacAddress,
449 sizeof (vport->vmMacAddress));
455 if (!RtlEqualMemory(vport->permMacAddress, nicParam->PermanentMacAddress,
456 sizeof (vport->permMacAddress))) {
457 RtlCopyMemory(vport->permMacAddress, nicParam->PermanentMacAddress,
458 sizeof (vport->permMacAddress));
459 status |= OVS_EVENT_MAC_CHANGE;
461 if (!RtlEqualMemory(vport->currMacAddress, nicParam->CurrentMacAddress,
462 sizeof (vport->currMacAddress))) {
463 RtlCopyMemory(vport->currMacAddress, nicParam->CurrentMacAddress,
464 sizeof (vport->currMacAddress));
465 status |= OVS_EVENT_MAC_CHANGE;
468 if (vport->mtu != nicParam->MTU) {
469 vport->mtu = nicParam->MTU;
470 status |= OVS_EVENT_MTU_CHANGE;
472 vport->numaNodeId = nicParam->NumaNodeId;
473 portNo = vport->portNo;
475 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
476 if (status && portNo) {
477 OvsPostEvent(portNo, status);
480 VPORT_NIC_EXIT(nicParam);
485 HvDisconnectNic(POVS_SWITCH_CONTEXT switchContext,
486 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
488 POVS_VPORT_ENTRY vport;
490 LOCK_STATE_EX lockState;
491 BOOLEAN isInternalPort = FALSE;
493 VPORT_NIC_ENTER(nicParam);
495 /* Wait for lists to be initialized. */
496 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
498 if (!switchContext->isActivated) {
499 OVS_LOG_WARN("Switch is not activated yet.");
503 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
504 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
509 OVS_LOG_WARN("Vport not present.");
510 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
514 vport->nicState = NdisSwitchNicStateDisconnected;
515 vport->ovsState = OVS_STATE_NIC_CREATED;
516 portNo = vport->portNo;
518 if (vport->ovsType == OVS_VPORT_TYPE_INTERNAL) {
519 isInternalPort = TRUE;
522 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
524 /* XXX if portNo != INVALID or always? */
525 OvsPostEvent(portNo, OVS_EVENT_LINK_DOWN);
527 if (isInternalPort) {
528 OvsInternalAdapterDown();
532 VPORT_NIC_EXIT(nicParam);
537 HvDeleteNic(POVS_SWITCH_CONTEXT switchContext,
538 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
540 LOCK_STATE_EX lockState;
541 POVS_VPORT_ENTRY vport;
544 VPORT_NIC_ENTER(nicParam);
545 /* Wait for lists to be initialized. */
546 OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC);
548 if (!switchContext->isActivated) {
549 OVS_LOG_WARN("Switch is not activated yet.");
553 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
554 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
559 OVS_LOG_WARN("Vport not present.");
560 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
564 vport->nicState = NdisSwitchNicStateUnknown;
565 vport->ovsState = OVS_STATE_PORT_CREATED;
567 portNo = vport->portNo;
568 if (vport->portType == NdisSwitchPortTypeExternal &&
569 vport->nicIndex != 0) {
570 OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, FALSE);
573 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
574 /* XXX if portNo != INVALID or always? */
575 OvsPostEvent(portNo, OVS_EVENT_DISCONNECT);
578 VPORT_NIC_EXIT(nicParam);
583 * OVS Vport related functionality.
586 OvsFindVportByPortNo(POVS_SWITCH_CONTEXT switchContext,
589 POVS_VPORT_ENTRY vport;
590 PLIST_ENTRY head, link;
591 UINT32 hash = OvsJhashBytes((const VOID *)&portNo, sizeof(portNo),
593 head = &(switchContext->portNoHashArray[hash & OVS_VPORT_MASK]);
594 LIST_FORALL(head, link) {
595 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
596 if (vport->portNo == portNo) {
605 OvsFindTunnelVportByDstPort(POVS_SWITCH_CONTEXT switchContext,
607 OVS_VPORT_TYPE ovsPortType)
609 POVS_VPORT_ENTRY vport;
610 PLIST_ENTRY head, link;
611 UINT32 hash = OvsJhashBytes((const VOID *)&dstPort, sizeof(dstPort),
613 head = &(switchContext->tunnelVportsArray[hash & OVS_VPORT_MASK]);
614 LIST_FORALL(head, link) {
615 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, tunnelVportLink);
616 if (GetPortFromPriv(vport) == dstPort &&
617 vport->ovsType == ovsPortType) {
626 OvsFindVportByOvsName(POVS_SWITCH_CONTEXT switchContext,
629 POVS_VPORT_ENTRY vport;
630 PLIST_ENTRY head, link;
632 SIZE_T length = strlen(name) + 1;
634 hash = OvsJhashBytes((const VOID *)name, length, OVS_HASH_BASIS);
635 head = &(switchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK]);
637 LIST_FORALL(head, link) {
638 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, ovsNameLink);
639 if (!strcmp(name, vport->ovsName)) {
647 /* OvsFindVportByHvName: "name" is assumed to be null-terminated */
649 OvsFindVportByHvNameW(POVS_SWITCH_CONTEXT switchContext,
650 PWSTR wsName, SIZE_T wstrSize)
652 POVS_VPORT_ENTRY vport = NULL;
653 PLIST_ENTRY head, link;
656 for (i = 0; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
657 head = &(switchContext->portIdHashArray[i]);
658 LIST_FORALL(head, link) {
659 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
662 * NOTE about portFriendlyName:
663 * If the string is NULL-terminated, the Length member does not
664 * include the terminating NULL character.
666 if (vport->portFriendlyName.Length == wstrSize &&
667 RtlEqualMemory(wsName, vport->portFriendlyName.String,
668 vport->portFriendlyName.Length)) {
677 * Look in the list of ports that were added from the Hyper-V switch and
681 for (i = 0; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
682 head = &(switchContext->portNoHashArray[i]);
683 LIST_FORALL(head, link) {
684 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
685 if (vport->portFriendlyName.Length == wstrSize &&
686 RtlEqualMemory(wsName, vport->portFriendlyName.String,
687 vport->portFriendlyName.Length)) {
701 OvsFindVportByHvNameA(POVS_SWITCH_CONTEXT switchContext,
704 POVS_VPORT_ENTRY vport = NULL;
705 /* 'portFriendlyName' is not NUL-terminated. */
706 SIZE_T length = strlen(name);
707 SIZE_T wstrSize = length * sizeof(WCHAR);
710 PWSTR wsName = OvsAllocateMemoryWithTag(wstrSize, OVS_VPORT_POOL_TAG);
714 for (i = 0; i < length; i++) {
717 vport = OvsFindVportByHvNameW(switchContext, wsName, wstrSize);
718 OvsFreeMemoryWithTag(wsName, OVS_VPORT_POOL_TAG);
723 OvsFindVportByPortIdAndNicIndex(POVS_SWITCH_CONTEXT switchContext,
724 NDIS_SWITCH_PORT_ID portId,
725 NDIS_SWITCH_NIC_INDEX index)
727 if (switchContext->virtualExternalVport &&
728 portId == switchContext->virtualExternalPortId &&
729 index == switchContext->virtualExternalVport->nicIndex) {
730 return (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
731 } else if (switchContext->internalVport &&
732 portId == switchContext->internalPortId &&
733 index == switchContext->internalVport->nicIndex) {
734 return (POVS_VPORT_ENTRY)switchContext->internalVport;
736 PLIST_ENTRY head, link;
737 POVS_VPORT_ENTRY vport;
739 hash = OvsJhashWords((UINT32 *)&portId, 1, OVS_HASH_BASIS);
740 head = &(switchContext->portIdHashArray[hash & OVS_VPORT_MASK]);
741 LIST_FORALL(head, link) {
742 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
743 if (portId == vport->portId && index == vport->nicIndex) {
752 OvsAllocateVport(VOID)
754 POVS_VPORT_ENTRY vport;
755 vport = (POVS_VPORT_ENTRY)OvsAllocateMemoryWithTag(
756 sizeof(OVS_VPORT_ENTRY), OVS_VPORT_POOL_TAG);
760 RtlZeroMemory(vport, sizeof (OVS_VPORT_ENTRY));
761 vport->ovsState = OVS_STATE_UNKNOWN;
762 vport->isPresentOnHv = FALSE;
763 vport->portNo = OVS_DPPORT_NUMBER_INVALID;
765 InitializeListHead(&vport->ovsNameLink);
766 InitializeListHead(&vport->portIdLink);
767 InitializeListHead(&vport->portNoLink);
773 OvsInitVportWithPortParam(POVS_VPORT_ENTRY vport,
774 PNDIS_SWITCH_PORT_PARAMETERS portParam)
776 vport->portType = portParam->PortType;
777 vport->portState = portParam->PortState;
778 vport->portId = portParam->PortId;
779 vport->nicState = NdisSwitchNicStateUnknown;
780 vport->isExternal = FALSE;
781 vport->isBridgeInternal = FALSE;
783 switch (vport->portType) {
784 case NdisSwitchPortTypeExternal:
785 vport->isExternal = TRUE;
786 vport->ovsType = OVS_VPORT_TYPE_NETDEV;
788 case NdisSwitchPortTypeInternal:
789 vport->ovsType = OVS_VPORT_TYPE_INTERNAL;
791 case NdisSwitchPortTypeSynthetic:
792 case NdisSwitchPortTypeEmulated:
793 vport->ovsType = OVS_VPORT_TYPE_NETDEV;
796 RtlCopyMemory(&vport->hvPortName, &portParam->PortName,
797 sizeof (NDIS_SWITCH_PORT_NAME));
798 /* For external and internal ports, 'portFriendlyName' is overwritten
800 RtlCopyMemory(&vport->portFriendlyName, &portParam->PortFriendlyName,
801 sizeof(NDIS_SWITCH_PORT_FRIENDLYNAME));
803 switch (vport->portState) {
804 case NdisSwitchPortStateCreated:
805 vport->ovsState = OVS_STATE_PORT_CREATED;
807 case NdisSwitchPortStateTeardown:
808 vport->ovsState = OVS_STATE_PORT_TEAR_DOWN;
810 case NdisSwitchPortStateDeleted:
811 vport->ovsState = OVS_STATE_PORT_DELETED;
818 OvsInitVportWithNicParam(POVS_SWITCH_CONTEXT switchContext,
819 POVS_VPORT_ENTRY vport,
820 PNDIS_SWITCH_NIC_PARAMETERS nicParam)
822 ASSERT(vport->portId == nicParam->PortId);
823 ASSERT(vport->ovsState == OVS_STATE_PORT_CREATED);
825 UNREFERENCED_PARAMETER(switchContext);
827 RtlCopyMemory(vport->permMacAddress, nicParam->PermanentMacAddress,
828 sizeof (nicParam->PermanentMacAddress));
829 RtlCopyMemory(vport->currMacAddress, nicParam->CurrentMacAddress,
830 sizeof (nicParam->CurrentMacAddress));
832 if (nicParam->NicType == NdisSwitchNicTypeSynthetic ||
833 nicParam->NicType == NdisSwitchNicTypeEmulated) {
834 RtlCopyMemory(vport->vmMacAddress, nicParam->VMMacAddress,
835 sizeof (nicParam->VMMacAddress));
836 RtlCopyMemory(&vport->vmName, &nicParam->VmName,
837 sizeof (nicParam->VmName));
839 RtlCopyMemory(&vport->netCfgInstanceId, &nicParam->NetCfgInstanceId,
840 sizeof (nicParam->NetCfgInstanceId));
842 RtlCopyMemory(&vport->nicName, &nicParam->NicName,
843 sizeof (nicParam->NicName));
844 vport->mtu = nicParam->MTU;
845 vport->nicState = nicParam->NicState;
846 vport->nicIndex = nicParam->NicIndex;
847 vport->numaNodeId = nicParam->NumaNodeId;
849 switch (vport->nicState) {
850 case NdisSwitchNicStateCreated:
851 vport->ovsState = OVS_STATE_NIC_CREATED;
853 case NdisSwitchNicStateConnected:
854 vport->ovsState = OVS_STATE_CONNECTED;
856 case NdisSwitchNicStateDisconnected:
857 vport->ovsState = OVS_STATE_NIC_CREATED;
859 case NdisSwitchNicStateDeleted:
860 vport->ovsState = OVS_STATE_PORT_CREATED;
866 * --------------------------------------------------------------------------
867 * Copies the relevant NDIS port properties from a virtual (pseudo) external
868 * NIC to a physical (real) external NIC.
869 * --------------------------------------------------------------------------
872 OvsInitPhysNicVport(POVS_VPORT_ENTRY physExtVport,
873 POVS_VPORT_ENTRY virtExtVport,
876 physExtVport->portType = virtExtVport->portType;
877 physExtVport->portState = virtExtVport->portState;
878 physExtVport->portId = virtExtVport->portId;
879 physExtVport->nicState = NdisSwitchNicStateUnknown;
880 physExtVport->ovsType = OVS_VPORT_TYPE_NETDEV;
881 physExtVport->isExternal = TRUE;
882 physExtVport->isBridgeInternal = FALSE;
883 physExtVport->nicIndex = (NDIS_SWITCH_NIC_INDEX)physNicIndex;
885 RtlCopyMemory(&physExtVport->hvPortName, &virtExtVport->hvPortName,
886 sizeof (NDIS_SWITCH_PORT_NAME));
888 /* 'portFriendlyName' is overwritten later. */
889 RtlCopyMemory(&physExtVport->portFriendlyName,
890 &virtExtVport->portFriendlyName,
891 sizeof(NDIS_SWITCH_PORT_FRIENDLYNAME));
893 physExtVport->ovsState = OVS_STATE_PORT_CREATED;
897 * --------------------------------------------------------------------------
898 * Initializes a tunnel vport.
899 * --------------------------------------------------------------------------
902 OvsInitTunnelVport(PVOID userContext,
903 POVS_VPORT_ENTRY vport,
904 OVS_VPORT_TYPE ovsType,
907 NTSTATUS status = STATUS_SUCCESS;
908 POVS_USER_PARAMS_CONTEXT usrParamsCtx =
909 (POVS_USER_PARAMS_CONTEXT)userContext;
911 vport->isBridgeInternal = FALSE;
912 vport->ovsType = ovsType;
913 vport->ovsState = OVS_STATE_PORT_CREATED;
915 case OVS_VPORT_TYPE_GRE:
917 case OVS_VPORT_TYPE_GRE64:
919 case OVS_VPORT_TYPE_VXLAN:
921 POVS_TUNFLT_INIT_CONTEXT tunnelContext = NULL;
923 tunnelContext = OvsAllocateMemory(sizeof(*tunnelContext));
924 if (tunnelContext == NULL) {
925 status = STATUS_INSUFFICIENT_RESOURCES;
928 tunnelContext->inputBuffer = usrParamsCtx->inputBuffer;
929 tunnelContext->outputBuffer = usrParamsCtx->outputBuffer;
930 tunnelContext->outputLength = usrParamsCtx->outputLength;
931 tunnelContext->vport = vport;
933 status = OvsInitVxlanTunnel(usrParamsCtx->irp,
936 OvsTunnelVportPendingInit,
937 (PVOID)tunnelContext);
940 case OVS_VPORT_TYPE_STT:
941 status = OvsInitSttTunnel(vport, dstPort);
950 * --------------------------------------------------------------------------
951 * Initializes a bridge internal vport ie. a port of type
952 * OVS_VPORT_TYPE_INTERNAL but not present on the Hyper-V switch.
953 * --------------------------------------------------------------------------
956 OvsInitBridgeInternalVport(POVS_VPORT_ENTRY vport)
958 vport->isBridgeInternal = TRUE;
959 vport->ovsType = OVS_VPORT_TYPE_INTERNAL;
960 /* Mark the status to be connected, since there is no other initialization
962 vport->ovsState = OVS_STATE_CONNECTED;
963 return STATUS_SUCCESS;
967 * --------------------------------------------------------------------------
968 * For external vports 'portFriendlyName' provided by Hyper-V is over-written
969 * by synthetic names.
970 * --------------------------------------------------------------------------
973 AssignNicNameSpecial(POVS_VPORT_ENTRY vport)
977 if (vport->portType == NdisSwitchPortTypeExternal) {
978 if (vport->nicIndex == 0) {
979 ASSERT(vport->nicIndex == 0);
980 RtlStringCbPrintfW(vport->portFriendlyName.String,
982 L"%s.virtualAdapter", OVS_DPPORT_EXTERNAL_NAME_W);
984 RtlStringCbPrintfW(vport->portFriendlyName.String,
986 L"%s.%lu", OVS_DPPORT_EXTERNAL_NAME_W,
987 (UINT32)vport->nicIndex);
990 RtlStringCbPrintfW(vport->portFriendlyName.String,
992 L"%s", OVS_DPPORT_INTERNAL_NAME_W);
995 RtlStringCbLengthW(vport->portFriendlyName.String, IF_MAX_STRING_SIZE,
997 vport->portFriendlyName.Length = (USHORT)len;
1002 * --------------------------------------------------------------------------
1003 * Functionality common to any port on the Hyper-V switch. This function is not
1004 * to be called for a port that is not on the Hyper-V switch.
1006 * Inserts the port into 'portIdHashArray' and caches the pointer in the
1007 * 'switchContext' if needed.
1009 * For external NIC, assigns the name for the NIC.
1010 * --------------------------------------------------------------------------
1013 InitHvVportCommon(POVS_SWITCH_CONTEXT switchContext,
1014 POVS_VPORT_ENTRY vport,
1019 switch (vport->portType) {
1020 case NdisSwitchPortTypeExternal:
1022 * Overwrite the 'portFriendlyName' of this external vport. The reason
1023 * for having this in common code is to be able to call it from the NDIS
1024 * Port callback as well as the NDIS NIC callback.
1026 AssignNicNameSpecial(vport);
1028 if (vport->nicIndex == 0) {
1029 switchContext->virtualExternalPortId = vport->portId;
1030 switchContext->virtualExternalVport = vport;
1032 switchContext->numPhysicalNics++;
1035 case NdisSwitchPortTypeInternal:
1036 ASSERT(vport->isBridgeInternal == FALSE);
1038 /* Overwrite the 'portFriendlyName' of the internal vport. */
1039 AssignNicNameSpecial(vport);
1040 switchContext->internalPortId = vport->portId;
1041 switchContext->internalVport = vport;
1043 case NdisSwitchPortTypeSynthetic:
1044 case NdisSwitchPortTypeEmulated:
1049 * It is important to not insert vport corresponding to virtual external
1050 * port into the 'portIdHashArray' since the port should not be exposed to
1053 if (vport->portType == NdisSwitchPortTypeExternal &&
1054 vport->nicIndex == 0) {
1055 return NDIS_STATUS_SUCCESS;
1059 * NOTE: OvsJhashWords has portId as "1" word. This should be ok, even
1060 * though sizeof(NDIS_SWITCH_PORT_ID) = 4, not 2, because the
1061 * hyper-v switch seems to use only 2 bytes out of 4.
1063 hash = OvsJhashWords(&vport->portId, 1, OVS_HASH_BASIS);
1064 InsertHeadList(&switchContext->portIdHashArray[hash & OVS_VPORT_MASK],
1065 &vport->portIdLink);
1067 switchContext->numHvVports++;
1069 return NDIS_STATUS_SUCCESS;
1073 * --------------------------------------------------------------------------
1074 * Functionality common to any port added from OVS userspace.
1076 * Inserts the port into 'portNoHashArray', 'ovsPortNameHashArray' and in
1077 * 'tunnelVportsArray' if appropriate.
1078 * --------------------------------------------------------------------------
1081 InitOvsVportCommon(POVS_SWITCH_CONTEXT switchContext,
1082 POVS_VPORT_ENTRY vport)
1086 switch(vport->ovsType) {
1087 case OVS_VPORT_TYPE_VXLAN:
1088 case OVS_VPORT_TYPE_STT:
1090 UINT16 dstPort = GetPortFromPriv(vport);
1091 hash = OvsJhashBytes(&dstPort,
1095 &gOvsSwitchContext->tunnelVportsArray[hash & OVS_VPORT_MASK],
1096 &vport->tunnelVportLink);
1097 switchContext->numNonHvVports++;
1100 case OVS_VPORT_TYPE_INTERNAL:
1101 if (vport->isBridgeInternal) {
1102 switchContext->numNonHvVports++;
1109 * Insert the port into the hash array of ports: by port number and ovs
1110 * and ovs (datapath) port name.
1111 * NOTE: OvsJhashWords has portNo as "1" word. This is ok, because the
1112 * portNo is stored in 2 bytes only (max port number = MAXUINT16).
1114 hash = OvsJhashWords(&vport->portNo, 1, OVS_HASH_BASIS);
1115 InsertHeadList(&gOvsSwitchContext->portNoHashArray[hash & OVS_VPORT_MASK],
1116 &vport->portNoLink);
1118 hash = OvsJhashBytes(vport->ovsName, strlen(vport->ovsName) + 1,
1121 &gOvsSwitchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK],
1122 &vport->ovsNameLink);
1124 return STATUS_SUCCESS;
1128 OvsCleanupVportCommon(POVS_SWITCH_CONTEXT switchContext,
1129 POVS_VPORT_ENTRY vport,
1130 BOOLEAN hvSwitchPort,
1134 BOOLEAN deletedOnOvs = FALSE;
1135 BOOLEAN deletedOnHv = FALSE;
1138 * 'hvDelete' == TRUE indicates that the port should be removed from the
1139 * 'portIdHashArray', while 'ovsDelete' == TRUE indicates that the port
1140 * should be removed from 'portNoHashArray' and the 'ovsPortNameHashArray'.
1142 * Both 'hvDelete' and 'ovsDelete' can be set to TRUE by the caller.
1144 if (vport->isPresentOnHv == TRUE) {
1147 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
1148 deletedOnOvs = TRUE;
1151 if (hvDelete && !deletedOnHv) {
1152 vport->isPresentOnHv = TRUE;
1154 /* Remove the port from the relevant lists. */
1155 RemoveEntryList(&vport->portIdLink);
1156 InitializeListHead(&vport->portIdLink);
1159 if (ovsDelete && !deletedOnOvs) {
1160 vport->portNo = OVS_DPPORT_NUMBER_INVALID;
1161 vport->ovsName[0] = '\0';
1163 /* Remove the port from the relevant lists. */
1164 RemoveEntryList(&vport->ovsNameLink);
1165 InitializeListHead(&vport->ovsNameLink);
1166 RemoveEntryList(&vport->portNoLink);
1167 InitializeListHead(&vport->portNoLink);
1168 if (OVS_VPORT_TYPE_VXLAN == vport->ovsType ||
1169 OVS_VPORT_TYPE_STT == vport->ovsType) {
1170 RemoveEntryList(&vport->tunnelVportLink);
1171 InitializeListHead(&vport->tunnelVportLink);
1174 deletedOnOvs = TRUE;
1178 * Deallocate the port if it has been deleted on the Hyper-V switch as well
1181 if (deletedOnHv && deletedOnOvs) {
1183 switchContext->numHvVports--;
1186 switchContext->numNonHvVports--;
1188 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1193 * --------------------------------------------------------------------------
1194 * Provides functionality that is partly complementatry to
1195 * InitOvsVportCommon()/InitHvVportCommon().
1197 * 'hvDelete' indicates if caller is removing the vport as a result of the
1198 * port being removed on the Hyper-V switch.
1199 * 'ovsDelete' indicates if caller is removing the vport as a result of the
1200 * port being removed from OVS userspace.
1201 * --------------------------------------------------------------------------
1204 OvsRemoveAndDeleteVport(PVOID usrParamsContext,
1205 POVS_SWITCH_CONTEXT switchContext,
1206 POVS_VPORT_ENTRY vport,
1210 NTSTATUS status = STATUS_SUCCESS;
1211 POVS_USER_PARAMS_CONTEXT usrParamsCtx =
1212 (POVS_USER_PARAMS_CONTEXT)usrParamsContext;
1213 BOOLEAN hvSwitchPort = FALSE;
1215 if (vport->isExternal) {
1216 if (vport->nicIndex == 0) {
1217 ASSERT(switchContext->numPhysicalNics == 0);
1218 switchContext->virtualExternalPortId = 0;
1219 switchContext->virtualExternalVport = NULL;
1220 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1221 return STATUS_SUCCESS;
1223 ASSERT(switchContext->numPhysicalNics);
1224 switchContext->numPhysicalNics--;
1225 hvSwitchPort = TRUE;
1229 switch (vport->ovsType) {
1230 case OVS_VPORT_TYPE_INTERNAL:
1231 if (!vport->isBridgeInternal) {
1232 switchContext->internalPortId = 0;
1233 switchContext->internalVport = NULL;
1234 OvsInternalAdapterDown();
1235 hvSwitchPort = TRUE;
1238 case OVS_VPORT_TYPE_VXLAN:
1240 POVS_TUNFLT_INIT_CONTEXT tunnelContext = NULL;
1243 tunnelContext = OvsAllocateMemory(sizeof(*tunnelContext));
1244 if (tunnelContext == NULL) {
1245 status = STATUS_INSUFFICIENT_RESOURCES;
1248 RtlZeroMemory(tunnelContext, sizeof(*tunnelContext));
1250 tunnelContext->switchContext = switchContext;
1251 tunnelContext->hvSwitchPort = hvSwitchPort;
1252 tunnelContext->hvDelete = hvDelete;
1253 tunnelContext->ovsDelete = ovsDelete;
1254 tunnelContext->vport = vport;
1257 tunnelContext->inputBuffer = usrParamsCtx->inputBuffer;
1258 tunnelContext->outputBuffer = usrParamsCtx->outputBuffer;
1259 tunnelContext->outputLength = usrParamsCtx->outputLength;
1260 irp = usrParamsCtx->irp;
1263 status = OvsCleanupVxlanTunnel(irp,
1265 OvsTunnelVportPendingUninit,
1269 case OVS_VPORT_TYPE_STT:
1270 OvsCleanupSttTunnel(vport);
1272 case OVS_VPORT_TYPE_GRE:
1273 case OVS_VPORT_TYPE_GRE64:
1275 case OVS_VPORT_TYPE_NETDEV:
1276 hvSwitchPort = TRUE;
1281 if (STATUS_SUCCESS == status) {
1282 OvsCleanupVportCommon(switchContext,
1293 OvsAddConfiguredSwitchPorts(POVS_SWITCH_CONTEXT switchContext)
1295 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
1297 PNDIS_SWITCH_PORT_PARAMETERS portParam;
1298 PNDIS_SWITCH_PORT_ARRAY portArray = NULL;
1299 POVS_VPORT_ENTRY vport;
1301 OVS_LOG_TRACE("Enter: switchContext:%p", switchContext);
1303 status = OvsGetPortsOnSwitch(switchContext, &portArray);
1304 if (status != NDIS_STATUS_SUCCESS) {
1308 for (arrIndex = 0; arrIndex < portArray->NumElements; arrIndex++) {
1309 portParam = NDIS_SWITCH_PORT_AT_ARRAY_INDEX(portArray, arrIndex);
1311 if (portParam->IsValidationPort) {
1315 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
1316 if (vport == NULL) {
1317 status = NDIS_STATUS_RESOURCES;
1320 OvsInitVportWithPortParam(vport, portParam);
1321 status = InitHvVportCommon(switchContext, vport, TRUE);
1322 if (status != NDIS_STATUS_SUCCESS) {
1323 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1329 if (status != NDIS_STATUS_SUCCESS) {
1330 OvsClearAllSwitchVports(switchContext);
1333 OvsFreeSwitchPortsArray(portArray);
1335 OVS_LOG_TRACE("Exit: status: %x", status);
1342 OvsInitConfiguredSwitchNics(POVS_SWITCH_CONTEXT switchContext)
1344 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
1345 PNDIS_SWITCH_NIC_ARRAY nicArray = NULL;
1347 PNDIS_SWITCH_NIC_PARAMETERS nicParam;
1348 POVS_VPORT_ENTRY vport;
1350 OVS_LOG_TRACE("Enter: switchContext: %p", switchContext);
1352 * Now, get NIC list.
1354 status = OvsGetNicsOnSwitch(switchContext, &nicArray);
1355 if (status != NDIS_STATUS_SUCCESS) {
1358 for (arrIndex = 0; arrIndex < nicArray->NumElements; ++arrIndex) {
1360 nicParam = NDIS_SWITCH_NIC_AT_ARRAY_INDEX(nicArray, arrIndex);
1363 * XXX: Check if the port is configured with a VLAN. Disallow such a
1364 * configuration, since we don't support tag-in-tag.
1368 * XXX: Check if the port is connected to a VF. Disconnect the VF in
1372 if (nicParam->NicType == NdisSwitchNicTypeExternal &&
1373 nicParam->NicIndex != 0) {
1374 POVS_VPORT_ENTRY virtExtVport =
1375 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
1377 vport = OvsAllocateVport();
1379 OvsInitPhysNicVport(vport, virtExtVport,
1380 nicParam->NicIndex);
1381 status = InitHvVportCommon(switchContext, vport, TRUE);
1382 if (status != NDIS_STATUS_SUCCESS) {
1383 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1388 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
1390 nicParam->NicIndex);
1392 if (vport == NULL) {
1393 OVS_LOG_ERROR("Fail to allocate vport");
1396 OvsInitVportWithNicParam(switchContext, vport, nicParam);
1397 if (nicParam->NicType == NdisSwitchNicTypeInternal) {
1398 OvsInternalAdapterUp(vport->portNo, &nicParam->NetCfgInstanceId);
1403 OvsFreeSwitchNicsArray(nicArray);
1405 OVS_LOG_TRACE("Exit: status: %x", status);
1410 * --------------------------------------------------------------------------
1411 * Deletes ports added from the Hyper-V switch as well as OVS usersapce. The
1412 * function deletes ports in 'portIdHashArray'. This will delete most of the
1413 * ports that are in the 'portNoHashArray' as well. Any remaining ports
1414 * are deleted by walking the the 'portNoHashArray'.
1415 * --------------------------------------------------------------------------
1418 OvsClearAllSwitchVports(POVS_SWITCH_CONTEXT switchContext)
1420 for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) {
1421 PLIST_ENTRY head, link, next;
1423 head = &(switchContext->portIdHashArray[hash & OVS_VPORT_MASK]);
1424 LIST_FORALL_SAFE(head, link, next) {
1425 POVS_VPORT_ENTRY vport;
1426 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
1427 OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, TRUE);
1432 * Remove 'virtualExternalVport' as well. This port is not part of the
1433 * 'portIdHashArray'.
1435 if (switchContext->virtualExternalVport) {
1436 OvsRemoveAndDeleteVport(NULL, switchContext,
1437 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport, TRUE, TRUE);
1441 for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) {
1442 PLIST_ENTRY head, link, next;
1443 head = &(switchContext->portNoHashArray[hash & OVS_VPORT_MASK]);
1444 LIST_FORALL_SAFE(head, link, next) {
1445 POVS_VPORT_ENTRY vport;
1446 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
1447 ASSERT(OvsIsTunnelVportType(vport->ovsType) ||
1448 (vport->ovsType == OVS_VPORT_TYPE_INTERNAL &&
1449 vport->isBridgeInternal) || vport->isPresentOnHv == TRUE);
1450 OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, TRUE);
1454 ASSERT(switchContext->virtualExternalVport == NULL);
1455 ASSERT(switchContext->internalVport == NULL);
1460 OvsConvertIfCountedStrToAnsiStr(PIF_COUNTED_STRING wStr,
1465 UNICODE_STRING ustr;
1469 ustr.Buffer = wStr->String;
1470 ustr.Length = wStr->Length;
1471 ustr.MaximumLength = IF_MAX_STRING_SIZE;
1474 astr.MaximumLength = maxStrLen;
1477 size = RtlUnicodeStringToAnsiSize(&ustr);
1478 if (size > maxStrLen) {
1479 return STATUS_BUFFER_OVERFLOW;
1482 status = RtlUnicodeStringToAnsiString(&astr, &ustr, FALSE);
1484 ASSERT(status == STATUS_SUCCESS);
1485 if (status != STATUS_SUCCESS) {
1488 ASSERT(astr.Length <= maxStrLen);
1489 str[astr.Length] = 0;
1490 return STATUS_SUCCESS;
1494 * --------------------------------------------------------------------------
1495 * Utility function that populates a 'OVS_VPORT_EXT_INFO' structure for the
1497 * --------------------------------------------------------------------------
1500 OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet,
1501 POVS_VPORT_EXT_INFO extInfo)
1503 POVS_VPORT_ENTRY vport;
1505 LOCK_STATE_EX lockState;
1506 NTSTATUS status = STATUS_SUCCESS;
1507 BOOLEAN doConvert = FALSE;
1509 RtlZeroMemory(extInfo, sizeof (POVS_VPORT_EXT_INFO));
1510 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1511 if (vportGet->portNo == 0) {
1512 StringCbLengthA(vportGet->name, OVS_MAX_PORT_NAME_LENGTH - 1, &len);
1513 vport = OvsFindVportByHvNameA(gOvsSwitchContext, vportGet->name);
1514 if (vport != NULL) {
1515 /* If the port is not a Hyper-V port and it has been added earlier,
1516 * we'll find it in 'ovsPortNameHashArray'. */
1517 vport = OvsFindVportByOvsName(gOvsSwitchContext, vportGet->name);
1520 vport = OvsFindVportByPortNo(gOvsSwitchContext, vportGet->portNo);
1522 if (vport == NULL || (vport->ovsState != OVS_STATE_CONNECTED &&
1523 vport->ovsState != OVS_STATE_NIC_CREATED)) {
1524 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1525 if (vportGet->portNo) {
1526 OVS_LOG_WARN("vport %u does not exist any more", vportGet->portNo);
1528 OVS_LOG_WARN("vport %s does not exist any more", vportGet->name);
1530 status = STATUS_DEVICE_DOES_NOT_EXIST;
1533 extInfo->dpNo = vportGet->dpNo;
1534 extInfo->portNo = vport->portNo;
1535 RtlCopyMemory(extInfo->macAddress, vport->currMacAddress,
1536 sizeof (vport->currMacAddress));
1537 RtlCopyMemory(extInfo->permMACAddress, vport->permMacAddress,
1538 sizeof (vport->permMacAddress));
1539 if (vport->ovsType == OVS_VPORT_TYPE_NETDEV) {
1540 RtlCopyMemory(extInfo->vmMACAddress, vport->vmMacAddress,
1541 sizeof (vport->vmMacAddress));
1543 extInfo->nicIndex = vport->nicIndex;
1544 extInfo->portId = vport->portId;
1545 extInfo->type = vport->ovsType;
1546 extInfo->mtu = vport->mtu;
1550 if (vport->ovsState == OVS_STATE_NIC_CREATED) {
1551 extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_DOWN;
1552 } else if (vport->ovsState == OVS_STATE_CONNECTED) {
1553 extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_UP;
1555 extInfo->status = OVS_EVENT_DISCONNECT;
1557 if (extInfo->type == OVS_VPORT_TYPE_NETDEV &&
1558 (vport->ovsState == OVS_STATE_NIC_CREATED ||
1559 vport->ovsState == OVS_STATE_CONNECTED)) {
1562 extInfo->vmUUID[0] = 0;
1563 extInfo->vifUUID[0] = 0;
1565 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1567 status = OvsConvertIfCountedStrToAnsiStr(&vport->portFriendlyName,
1569 OVS_MAX_PORT_NAME_LENGTH);
1570 if (status != STATUS_SUCCESS) {
1571 OVS_LOG_INFO("Fail to convert NIC name.");
1572 extInfo->vmUUID[0] = 0;
1575 status = OvsConvertIfCountedStrToAnsiStr(&vport->vmName,
1577 OVS_MAX_VM_UUID_LEN);
1578 if (status != STATUS_SUCCESS) {
1579 OVS_LOG_INFO("Fail to convert VM name.");
1580 extInfo->vmUUID[0] = 0;
1583 status = OvsConvertIfCountedStrToAnsiStr(&vport->nicName,
1585 OVS_MAX_VIF_UUID_LEN);
1586 if (status != STATUS_SUCCESS) {
1587 OVS_LOG_INFO("Fail to convert nic UUID");
1588 extInfo->vifUUID[0] = 0;
1591 * for now ignore status
1593 status = STATUS_SUCCESS;
1601 * --------------------------------------------------------------------------
1602 * Command Handler for 'OVS_WIN_NETDEV_CMD_GET'.
1603 * --------------------------------------------------------------------------
1606 OvsGetNetdevCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1609 NTSTATUS status = STATUS_SUCCESS;
1610 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
1611 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1612 NL_ERROR nlError = NL_ERROR_SUCCESS;
1613 OVS_VPORT_GET vportGet;
1614 OVS_VPORT_EXT_INFO info;
1616 static const NL_POLICY ovsNetdevPolicy[] = {
1617 [OVS_WIN_NETDEV_ATTR_NAME] = { .type = NL_A_STRING,
1619 .maxLen = IFNAMSIZ },
1621 PNL_ATTR netdevAttrs[ARRAY_SIZE(ovsNetdevPolicy)];
1623 /* input buffer has been validated while validating transaction dev op. */
1624 ASSERT(usrParamsCtx->inputBuffer != NULL &&
1625 usrParamsCtx->inputLength > sizeof *msgIn);
1627 if (msgOut == NULL || usrParamsCtx->outputLength < sizeof *msgOut) {
1628 return STATUS_INVALID_BUFFER_SIZE;
1631 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
1632 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
1633 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
1634 ovsNetdevPolicy, netdevAttrs, ARRAY_SIZE(netdevAttrs))) {
1635 return STATUS_INVALID_PARAMETER;
1638 vportGet.portNo = 0;
1639 RtlCopyMemory(&vportGet.name, NlAttrGet(netdevAttrs[OVS_VPORT_ATTR_NAME]),
1640 NlAttrGetSize(netdevAttrs[OVS_VPORT_ATTR_NAME]));
1642 status = OvsGetExtInfoIoctl(&vportGet, &info);
1643 if (status == STATUS_DEVICE_DOES_NOT_EXIST) {
1644 nlError = NL_ERROR_NODEV;
1648 status = CreateNetlinkMesgForNetdev(&info, msgIn,
1649 usrParamsCtx->outputBuffer, usrParamsCtx->outputLength,
1650 gOvsSwitchContext->dpNo);
1651 if (status == STATUS_SUCCESS) {
1652 *replyLen = msgOut->nlMsg.nlmsgLen;
1656 if (nlError != NL_ERROR_SUCCESS) {
1657 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
1658 usrParamsCtx->outputBuffer;
1660 NlBuildErrorMsg(msgIn, msgError, nlError);
1661 *replyLen = msgError->nlMsg.nlmsgLen;
1664 return STATUS_SUCCESS;
1669 * --------------------------------------------------------------------------
1670 * Utility function to construct an OVS_MESSAGE for the specified vport. The
1671 * OVS_MESSAGE contains the output of a netdev command.
1672 * --------------------------------------------------------------------------
1675 CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info,
1684 UINT32 netdevFlags = 0;
1686 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1688 ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI,
1689 msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid,
1690 msgIn->genlMsg.cmd, msgIn->genlMsg.version,
1693 return STATUS_INVALID_BUFFER_SIZE;
1696 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_PORT_NO,
1699 return STATUS_INVALID_BUFFER_SIZE;
1702 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_TYPE, info->type);
1704 return STATUS_INVALID_BUFFER_SIZE;
1707 ok = NlMsgPutTailString(&nlBuffer, OVS_WIN_NETDEV_ATTR_NAME,
1710 return STATUS_INVALID_BUFFER_SIZE;
1713 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_WIN_NETDEV_ATTR_MAC_ADDR,
1714 (PCHAR)info->macAddress, sizeof (info->macAddress));
1716 return STATUS_INVALID_BUFFER_SIZE;
1719 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_MTU, info->mtu);
1721 return STATUS_INVALID_BUFFER_SIZE;
1724 if (info->status != OVS_EVENT_CONNECT) {
1725 netdevFlags = OVS_WIN_NETDEV_IFF_UP;
1727 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_IF_FLAGS,
1730 return STATUS_INVALID_BUFFER_SIZE;
1734 * XXX: add netdev_stats when we have the definition available in the
1738 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1739 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1741 return STATUS_SUCCESS;
1744 static __inline VOID
1745 OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext, ULONG sleepMicroSec)
1747 while ((!switchContext->isActivated) &&
1748 (!switchContext->isActivateFailed)) {
1749 /* Wait for the switch to be active and
1750 * the list of ports in OVS to be initialized. */
1751 NdisMSleep(sleepMicroSec);
1756 OvsCreateMsgFromVport(POVS_VPORT_ENTRY vport,
1763 OVS_VPORT_FULL_STATS vportStats;
1767 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1769 ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI,
1770 msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid,
1771 msgIn->genlMsg.cmd, msgIn->genlMsg.version,
1774 return STATUS_INVALID_BUFFER_SIZE;
1777 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_PORT_NO, vport->portNo);
1779 return STATUS_INVALID_BUFFER_SIZE;
1782 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_TYPE, vport->ovsType);
1784 return STATUS_INVALID_BUFFER_SIZE;
1787 ok = NlMsgPutTailString(&nlBuffer, OVS_VPORT_ATTR_NAME, vport->ovsName);
1789 return STATUS_INVALID_BUFFER_SIZE;
1793 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
1794 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
1795 * it means we have an array of pids, instead of a single pid.
1796 * ATM we assume we have one pid only.
1799 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_UPCALL_PID,
1802 return STATUS_INVALID_BUFFER_SIZE;
1806 vportStats.rxPackets = vport->stats.rxPackets;
1807 vportStats.rxBytes = vport->stats.rxBytes;
1808 vportStats.txPackets = vport->stats.txPackets;
1809 vportStats.txBytes = vport->stats.txBytes;
1810 vportStats.rxErrors = vport->errStats.rxErrors;
1811 vportStats.txErrors = vport->errStats.txErrors;
1812 vportStats.rxDropped = vport->errStats.rxDropped;
1813 vportStats.txDropped = vport->errStats.txDropped;
1815 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_VPORT_ATTR_STATS,
1817 sizeof(OVS_VPORT_FULL_STATS));
1819 return STATUS_INVALID_BUFFER_SIZE;
1823 * XXX: when vxlan udp dest port becomes configurable, we will also need
1824 * to add vport options
1827 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1828 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1830 return STATUS_SUCCESS;
1834 OvsGetVportDumpNext(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1838 POVS_OPEN_INSTANCE instance =
1839 (POVS_OPEN_INSTANCE)usrParamsCtx->ovsInstance;
1840 LOCK_STATE_EX lockState;
1841 UINT32 i = OVS_MAX_VPORT_ARRAY_SIZE;
1844 * XXX: this function shares some code with other dump command(s).
1845 * In the future, we will need to refactor the dump functions
1848 ASSERT(usrParamsCtx->devOp == OVS_READ_DEV_OP);
1850 if (instance->dumpState.ovsMsg == NULL) {
1852 return STATUS_INVALID_DEVICE_STATE;
1855 /* Output buffer has been validated while validating read dev op. */
1856 ASSERT(usrParamsCtx->outputBuffer != NULL);
1858 msgIn = instance->dumpState.ovsMsg;
1861 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
1862 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
1863 * it means we have an array of pids, instead of a single pid.
1864 * ATM we assume we have one pid only.
1866 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1868 if (gOvsSwitchContext->numHvVports > 0 ||
1869 gOvsSwitchContext->numNonHvVports > 0) {
1870 /* inBucket: the bucket, used for lookup */
1871 UINT32 inBucket = instance->dumpState.index[0];
1872 /* inIndex: index within the given bucket, used for lookup */
1873 UINT32 inIndex = instance->dumpState.index[1];
1874 /* the bucket to be used for the next dump operation */
1875 UINT32 outBucket = 0;
1876 /* the index within the outBucket to be used for the next dump */
1877 UINT32 outIndex = 0;
1879 for (i = inBucket; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
1880 PLIST_ENTRY head, link;
1881 head = &(gOvsSwitchContext->portNoHashArray[i]);
1882 POVS_VPORT_ENTRY vport = NULL;
1885 LIST_FORALL(head, link) {
1888 * if one or more dumps were previously done on this same bucket,
1889 * inIndex will be > 0, so we'll need to reply with the
1890 * inIndex + 1 vport from the bucket.
1892 if (outIndex >= inIndex) {
1893 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
1895 ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID);
1896 OvsCreateMsgFromVport(vport, msgIn,
1897 usrParamsCtx->outputBuffer,
1898 usrParamsCtx->outputLength,
1899 gOvsSwitchContext->dpNo);
1912 * if no vport was found above, check the next bucket, beginning
1913 * with the first (i.e. index 0) elem from within that bucket
1920 /* XXX: what about NLMSG_DONE (as msg type)? */
1921 instance->dumpState.index[0] = outBucket;
1922 instance->dumpState.index[1] = outIndex;
1925 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1927 /* if i < OVS_MAX_VPORT_ARRAY_SIZE => vport was found */
1928 if (i < OVS_MAX_VPORT_ARRAY_SIZE) {
1929 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1930 *replyLen = msgOut->nlMsg.nlmsgLen;
1933 * if i >= OVS_MAX_VPORT_ARRAY_SIZE => vport was not found =>
1937 /* Free up the dump state, since there's no more data to continue. */
1938 FreeUserDumpState(instance);
1941 return STATUS_SUCCESS;
1945 OvsGetVport(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1948 NTSTATUS status = STATUS_SUCCESS;
1949 LOCK_STATE_EX lockState;
1951 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
1952 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1953 POVS_VPORT_ENTRY vport = NULL;
1954 NL_ERROR nlError = NL_ERROR_SUCCESS;
1955 PCHAR portName = NULL;
1956 UINT32 portNameLen = 0;
1957 UINT32 portNumber = OVS_DPPORT_NUMBER_INVALID;
1959 static const NL_POLICY ovsVportPolicy[] = {
1960 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
1961 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING,
1966 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
1968 /* input buffer has been validated while validating write dev op. */
1969 ASSERT(usrParamsCtx->inputBuffer != NULL);
1971 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
1972 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
1973 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
1974 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
1975 return STATUS_INVALID_PARAMETER;
1978 /* Output buffer has been validated while validating transact dev op. */
1979 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
1981 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1982 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
1983 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
1984 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
1986 /* the port name is expected to be null-terminated */
1987 ASSERT(portName[portNameLen - 1] == '\0');
1989 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
1990 } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
1991 portNumber = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
1993 vport = OvsFindVportByPortNo(gOvsSwitchContext, portNumber);
1995 nlError = NL_ERROR_INVAL;
1996 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2001 nlError = NL_ERROR_NODEV;
2002 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2006 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2007 usrParamsCtx->outputLength,
2008 gOvsSwitchContext->dpNo);
2009 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2011 *replyLen = msgOut->nlMsg.nlmsgLen;
2014 if (nlError != NL_ERROR_SUCCESS) {
2015 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2016 usrParamsCtx->outputBuffer;
2018 NlBuildErrorMsg(msgIn, msgError, nlError);
2019 *replyLen = msgError->nlMsg.nlmsgLen;
2022 return STATUS_SUCCESS;
2026 * --------------------------------------------------------------------------
2027 * Command Handler for 'OVS_VPORT_CMD_GET'.
2029 * The function handles the initial call to setup the dump state, as well as
2030 * subsequent calls to continue dumping data.
2031 * --------------------------------------------------------------------------
2034 OvsGetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2039 switch (usrParamsCtx->devOp) {
2040 case OVS_WRITE_DEV_OP:
2041 return OvsSetupDumpStart(usrParamsCtx);
2043 case OVS_READ_DEV_OP:
2044 return OvsGetVportDumpNext(usrParamsCtx, replyLen);
2046 case OVS_TRANSACTION_DEV_OP:
2047 return OvsGetVport(usrParamsCtx, replyLen);
2050 return STATUS_INVALID_DEVICE_REQUEST;
2056 OvsComputeVportNo(POVS_SWITCH_CONTEXT switchContext)
2058 /* we are not allowed to create the port OVS_DPPORT_NUMBER_LOCAL */
2059 for (ULONG i = OVS_DPPORT_NUMBER_LOCAL + 1; i < MAXUINT16; ++i) {
2060 POVS_VPORT_ENTRY vport;
2062 vport = OvsFindVportByPortNo(switchContext, i);
2068 return OVS_DPPORT_NUMBER_INVALID;
2072 * --------------------------------------------------------------------------
2073 * Command Handler for 'OVS_VPORT_CMD_NEW'.
2074 * --------------------------------------------------------------------------
2077 OvsNewVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2080 NDIS_STATUS status = STATUS_SUCCESS;
2081 LOCK_STATE_EX lockState;
2083 NL_ERROR nlError = NL_ERROR_SUCCESS;
2084 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2085 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2086 POVS_VPORT_ENTRY vport = NULL;
2090 BOOLEAN isBridgeInternal = FALSE;
2091 BOOLEAN vportAllocated = FALSE, vportInitialized = FALSE;
2092 BOOLEAN addInternalPortAsNetdev = FALSE;
2094 static const NL_POLICY ovsVportPolicy[] = {
2095 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2096 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE },
2097 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2099 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2100 .optional = FALSE },
2101 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2104 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2106 /* input buffer has been validated while validating write dev op. */
2107 ASSERT(usrParamsCtx->inputBuffer != NULL);
2109 /* Output buffer has been validated while validating transact dev op. */
2110 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2112 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2113 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2114 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2115 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2116 return STATUS_INVALID_PARAMETER;
2119 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2120 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2121 portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2123 /* we are expecting null terminated strings to be passed */
2124 ASSERT(portName[portNameLen - 1] == '\0');
2126 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2128 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2130 nlError = NL_ERROR_EXIST;
2134 if (portName && portType == OVS_VPORT_TYPE_NETDEV &&
2135 !strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) {
2136 addInternalPortAsNetdev = TRUE;
2139 if (portName && portType == OVS_VPORT_TYPE_INTERNAL &&
2140 strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) {
2141 isBridgeInternal = TRUE;
2144 if (portType == OVS_VPORT_TYPE_INTERNAL && !isBridgeInternal) {
2145 vport = gOvsSwitchContext->internalVport;
2146 } else if (portType == OVS_VPORT_TYPE_NETDEV) {
2147 /* External ports can also be looked up like VIF ports. */
2148 vport = OvsFindVportByHvNameA(gOvsSwitchContext, portName);
2150 ASSERT(OvsIsTunnelVportType(portType) ||
2151 (portType == OVS_VPORT_TYPE_INTERNAL && isBridgeInternal));
2153 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
2154 if (vport == NULL) {
2155 nlError = NL_ERROR_NOMEM;
2158 vportAllocated = TRUE;
2160 if (OvsIsTunnelVportType(portType)) {
2161 UINT16 transportPortDest = 0;
2163 switch (vport->ovsType) {
2164 case OVS_VPORT_TYPE_VXLAN:
2165 transportPortDest = VXLAN_UDP_PORT;
2167 case OVS_VPORT_TYPE_STT:
2168 transportPortDest = STT_TCP_PORT;
2174 PNL_ATTR attr = NlAttrFindNested(vportAttrs[OVS_VPORT_ATTR_OPTIONS],
2175 OVS_TUNNEL_ATTR_DST_PORT);
2177 transportPortDest = NlAttrGetU16(attr);
2180 status = OvsInitTunnelVport(usrParamsCtx,
2185 nlError = NlMapStatusToNlErr(status);
2187 OvsInitBridgeInternalVport(vport);
2190 vportInitialized = TRUE;
2192 if (nlError == NL_ERROR_SUCCESS) {
2193 vport->ovsState = OVS_STATE_CONNECTED;
2194 vport->nicState = NdisSwitchNicStateConnected;
2197 * Allow the vport to be deleted, because there is no
2198 * corresponding hyper-v switch part.
2200 vport->isPresentOnHv = TRUE;
2207 nlError = NL_ERROR_INVAL;
2210 if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) {
2211 nlError = NL_ERROR_EXIST;
2215 /* Initialize the vport with OVS specific properties. */
2216 if (addInternalPortAsNetdev != TRUE) {
2217 vport->ovsType = portType;
2219 if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2221 * XXX: when we implement the limit for ovs port number to be
2222 * MAXUINT16, we'll need to check the port number received from the
2225 vport->portNo = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
2227 vport->portNo = OvsComputeVportNo(gOvsSwitchContext);
2228 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
2229 nlError = NL_ERROR_NOMEM;
2234 /* The ovs port name must be uninitialized. */
2235 ASSERT(vport->ovsName[0] == '\0');
2236 ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH);
2238 RtlCopyMemory(vport->ovsName, portName, portNameLen);
2239 /* if we don't have options, then vport->portOptions will be NULL */
2240 vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS];
2243 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2244 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2245 * it means we have an array of pids, instead of a single pid.
2246 * ATM we assume we have one pid only.
2248 vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2250 status = InitOvsVportCommon(gOvsSwitchContext, vport);
2251 ASSERT(status == STATUS_SUCCESS);
2253 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2254 usrParamsCtx->outputLength,
2255 gOvsSwitchContext->dpNo);
2257 *replyLen = msgOut->nlMsg.nlmsgLen;
2260 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2262 if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) {
2263 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2264 usrParamsCtx->outputBuffer;
2266 if (vport && vportAllocated == TRUE) {
2267 if (vportInitialized == TRUE) {
2268 if (OvsIsTunnelVportType(portType)) {
2269 switch (vport->ovsType) {
2270 case OVS_VPORT_TYPE_VXLAN:
2271 OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL);
2273 case OVS_VPORT_TYPE_STT:
2274 OvsCleanupSttTunnel(vport);;
2277 ASSERT(!"Invalid tunnel port type");
2281 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
2284 NlBuildErrorMsg(msgIn, msgError, nlError);
2285 *replyLen = msgError->nlMsg.nlmsgLen;
2288 return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS;
2293 * --------------------------------------------------------------------------
2294 * Command Handler for 'OVS_VPORT_CMD_SET'.
2295 * --------------------------------------------------------------------------
2298 OvsSetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2301 NDIS_STATUS status = STATUS_SUCCESS;
2302 LOCK_STATE_EX lockState;
2304 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2305 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2306 POVS_VPORT_ENTRY vport = NULL;
2307 NL_ERROR nlError = NL_ERROR_SUCCESS;
2309 static const NL_POLICY ovsVportPolicy[] = {
2310 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2311 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = TRUE },
2312 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2314 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2316 [OVS_VPORT_ATTR_STATS] = { .type = NL_A_UNSPEC,
2317 .minLen = sizeof(OVS_VPORT_FULL_STATS),
2318 .maxLen = sizeof(OVS_VPORT_FULL_STATS),
2320 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2322 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2324 ASSERT(usrParamsCtx->inputBuffer != NULL);
2326 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2327 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2328 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2329 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2330 return STATUS_INVALID_PARAMETER;
2333 /* Output buffer has been validated while validating transact dev op. */
2334 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2336 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2337 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
2338 PSTR portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2340 UINT32 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2342 /* the port name is expected to be null-terminated */
2343 ASSERT(portName[portNameLen - 1] == '\0');
2345 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2346 } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2347 vport = OvsFindVportByPortNo(gOvsSwitchContext,
2348 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]));
2352 nlError = NL_ERROR_NODEV;
2357 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2358 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2359 * it means we have an array of pids, instead of a single pid.
2360 * Currently, we support only one pid.
2362 if (vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]) {
2363 vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2366 if (vportAttrs[OVS_VPORT_ATTR_TYPE]) {
2367 OVS_VPORT_TYPE type = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2368 if (type != vport->ovsType) {
2369 nlError = NL_ERROR_INVAL;
2374 if (vportAttrs[OVS_VPORT_ATTR_OPTIONS]) {
2375 OVS_LOG_ERROR("Vport options not supported");
2376 nlError = NL_ERROR_NOTSUPP;
2380 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2381 usrParamsCtx->outputLength,
2382 gOvsSwitchContext->dpNo);
2384 *replyLen = msgOut->nlMsg.nlmsgLen;
2387 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2389 if (nlError != NL_ERROR_SUCCESS) {
2390 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2391 usrParamsCtx->outputBuffer;
2393 NlBuildErrorMsg(msgIn, msgError, nlError);
2394 *replyLen = msgError->nlMsg.nlmsgLen;
2397 return STATUS_SUCCESS;
2401 * --------------------------------------------------------------------------
2402 * Command Handler for 'OVS_VPORT_CMD_DEL'.
2403 * --------------------------------------------------------------------------
2406 OvsDeleteVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2409 NDIS_STATUS status = STATUS_SUCCESS;
2410 LOCK_STATE_EX lockState;
2412 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2413 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2414 POVS_VPORT_ENTRY vport = NULL;
2415 NL_ERROR nlError = NL_ERROR_SUCCESS;
2416 PSTR portName = NULL;
2417 UINT32 portNameLen = 0;
2419 static const NL_POLICY ovsVportPolicy[] = {
2420 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2421 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2424 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2426 ASSERT(usrParamsCtx->inputBuffer != NULL);
2428 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2429 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2430 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2431 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2432 return STATUS_INVALID_PARAMETER;
2435 /* Output buffer has been validated while validating transact dev op. */
2436 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2438 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2439 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
2440 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2441 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2443 /* the port name is expected to be null-terminated */
2444 ASSERT(portName[portNameLen - 1] == '\0');
2446 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2448 else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2449 vport = OvsFindVportByPortNo(gOvsSwitchContext,
2450 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]));
2454 nlError = NL_ERROR_NODEV;
2458 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2459 usrParamsCtx->outputLength,
2460 gOvsSwitchContext->dpNo);
2462 *replyLen = msgOut->nlMsg.nlmsgLen;
2465 * Mark the port as deleted from OVS userspace. If the port does not exist
2466 * on the Hyper-V switch, it gets deallocated. Otherwise, it stays.
2468 status = OvsRemoveAndDeleteVport(usrParamsCtx,
2474 nlError = NlMapStatusToNlErr(status);
2478 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2480 if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) {
2481 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2482 usrParamsCtx->outputBuffer;
2484 NlBuildErrorMsg(msgIn, msgError, nlError);
2485 *replyLen = msgError->nlMsg.nlmsgLen;
2488 return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS;
2492 OvsTunnelVportPendingUninit(PVOID context,
2496 POVS_TUNFLT_INIT_CONTEXT tunnelContext =
2497 (POVS_TUNFLT_INIT_CONTEXT) context;
2498 POVS_SWITCH_CONTEXT switchContext = tunnelContext->switchContext;
2499 POVS_VPORT_ENTRY vport = tunnelContext->vport;
2500 POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer;
2501 POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer;
2502 NL_ERROR nlError = NlMapStatusToNlErr(status);
2503 LOCK_STATE_EX lockState;
2505 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
2507 if (msgIn && msgOut) {
2508 /* Check the received status to reply to the caller. */
2509 if (STATUS_SUCCESS == status) {
2510 OvsCreateMsgFromVport(vport,
2513 tunnelContext->outputLength,
2514 switchContext->dpNo);
2516 *replyLen = msgOut->nlMsg.nlmsgLen;
2518 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)msgOut;
2520 NlBuildErrorMsg(msgIn, msgError, nlError);
2521 *replyLen = msgError->nlMsg.nlmsgLen;
2525 OvsCleanupVportCommon(switchContext,
2527 tunnelContext->hvSwitchPort,
2528 tunnelContext->hvDelete,
2529 tunnelContext->ovsDelete);
2531 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
2535 OvsTunnelVportPendingInit(PVOID context,
2539 POVS_TUNFLT_INIT_CONTEXT tunnelContext =
2540 (POVS_TUNFLT_INIT_CONTEXT) context;
2541 POVS_VPORT_ENTRY vport = tunnelContext->vport;
2542 POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer;
2543 POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer;
2545 ULONG portNameLen = 0;
2546 UINT32 portType = 0;
2547 NL_ERROR nlError = NL_ERROR_SUCCESS;
2548 BOOLEAN error = TRUE;
2551 if (!NT_SUCCESS(status)) {
2552 nlError = NlMapStatusToNlErr(status);
2556 static const NL_POLICY ovsVportPolicy[] = {
2557 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2558 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE },
2559 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2560 .optional = FALSE },
2561 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2562 .optional = FALSE },
2563 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2566 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2568 /* input buffer has been validated while validating write dev op. */
2569 ASSERT(msgIn != NULL);
2571 /* Output buffer has been validated while validating transact dev op. */
2572 ASSERT(msgOut != NULL && tunnelContext->outputLength >= sizeof *msgOut);
2574 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2575 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2576 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2577 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2578 nlError = NL_ERROR_INVAL;
2582 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2583 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2584 portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2586 if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) {
2587 nlError = NL_ERROR_EXIST;
2591 vport->ovsState = OVS_STATE_CONNECTED;
2592 vport->nicState = NdisSwitchNicStateConnected;
2595 * Allow the vport to be deleted, because there is no
2596 * corresponding hyper-v switch part.
2598 vport->isPresentOnHv = TRUE;
2600 if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2602 * XXX: when we implement the limit for OVS port number to be
2603 * MAXUINT16, we'll need to check the port number received from the
2607 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
2610 OvsComputeVportNo(gOvsSwitchContext);
2611 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
2612 nlError = NL_ERROR_NOMEM;
2617 /* The ovs port name must be uninitialized. */
2618 ASSERT(vport->ovsName[0] == '\0');
2619 ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH);
2621 RtlCopyMemory(vport->ovsName, portName, portNameLen);
2622 /* if we don't have options, then vport->portOptions will be NULL */
2623 vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS];
2626 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2627 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2628 * it means we have an array of pids, instead of a single pid.
2629 * ATM we assume we have one pid only.
2632 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2634 status = InitOvsVportCommon(gOvsSwitchContext, vport);
2635 ASSERT(status == STATUS_SUCCESS);
2637 OvsCreateMsgFromVport(vport,
2640 tunnelContext->outputLength,
2641 gOvsSwitchContext->dpNo);
2643 *replyLen = msgOut->nlMsg.nlmsgLen;
2649 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) msgOut;
2651 OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL);
2652 OvsFreeMemory(vport);
2654 NlBuildErrorMsg(msgIn, msgError, nlError);
2655 *replyLen = msgError->nlMsg.nlmsgLen;