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 NTSTATUS OvsRemoveTunnelVport(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
88 POVS_SWITCH_CONTEXT switchContext,
89 POVS_VPORT_ENTRY vport,
92 static VOID OvsTunnelVportPendingInit(PVOID context,
95 static VOID OvsTunnelVportPendingRemove(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->isAbsentOnHv == 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->isAbsentOnHv);
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->isAbsentOnHv = 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->isAbsentOnHv = 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_VXLAN:
919 POVS_TUNFLT_INIT_CONTEXT tunnelContext = NULL;
921 tunnelContext = OvsAllocateMemoryWithTag(sizeof(*tunnelContext),
923 if (tunnelContext == NULL) {
924 status = STATUS_INSUFFICIENT_RESOURCES;
927 tunnelContext->inputBuffer = usrParamsCtx->inputBuffer;
928 tunnelContext->outputBuffer = usrParamsCtx->outputBuffer;
929 tunnelContext->outputLength = usrParamsCtx->outputLength;
930 tunnelContext->vport = vport;
932 status = OvsInitVxlanTunnel(usrParamsCtx->irp,
935 OvsTunnelVportPendingInit,
936 (PVOID)tunnelContext);
937 if (status != STATUS_PENDING) {
938 OvsFreeMemoryWithTag(tunnelContext, OVS_VPORT_POOL_TAG);
939 tunnelContext = NULL;
943 case OVS_VPORT_TYPE_STT:
944 status = OvsInitSttTunnel(vport, dstPort);
953 * --------------------------------------------------------------------------
954 * Initializes a bridge internal vport ie. a port of type
955 * OVS_VPORT_TYPE_INTERNAL but not present on the Hyper-V switch.
956 * --------------------------------------------------------------------------
959 OvsInitBridgeInternalVport(POVS_VPORT_ENTRY vport)
961 vport->isBridgeInternal = TRUE;
962 vport->ovsType = OVS_VPORT_TYPE_INTERNAL;
963 /* Mark the status to be connected, since there is no other initialization
965 vport->ovsState = OVS_STATE_CONNECTED;
966 return STATUS_SUCCESS;
970 * --------------------------------------------------------------------------
971 * For external vports 'portFriendlyName' provided by Hyper-V is over-written
972 * by synthetic names.
973 * --------------------------------------------------------------------------
976 AssignNicNameSpecial(POVS_VPORT_ENTRY vport)
980 if (vport->portType == NdisSwitchPortTypeExternal) {
981 if (vport->nicIndex == 0) {
982 ASSERT(vport->nicIndex == 0);
983 RtlStringCbPrintfW(vport->portFriendlyName.String,
985 L"%s.virtualAdapter", OVS_DPPORT_EXTERNAL_NAME_W);
987 RtlStringCbPrintfW(vport->portFriendlyName.String,
989 L"%s.%lu", OVS_DPPORT_EXTERNAL_NAME_W,
990 (UINT32)vport->nicIndex);
993 RtlStringCbPrintfW(vport->portFriendlyName.String,
995 L"%s", OVS_DPPORT_INTERNAL_NAME_W);
998 RtlStringCbLengthW(vport->portFriendlyName.String, IF_MAX_STRING_SIZE,
1000 vport->portFriendlyName.Length = (USHORT)len;
1005 * --------------------------------------------------------------------------
1006 * Functionality common to any port on the Hyper-V switch. This function is not
1007 * to be called for a port that is not on the Hyper-V switch.
1009 * Inserts the port into 'portIdHashArray' and caches the pointer in the
1010 * 'switchContext' if needed.
1012 * For external NIC, assigns the name for the NIC.
1013 * --------------------------------------------------------------------------
1016 InitHvVportCommon(POVS_SWITCH_CONTEXT switchContext,
1017 POVS_VPORT_ENTRY vport,
1022 switch (vport->portType) {
1023 case NdisSwitchPortTypeExternal:
1025 * Overwrite the 'portFriendlyName' of this external vport. The reason
1026 * for having this in common code is to be able to call it from the NDIS
1027 * Port callback as well as the NDIS NIC callback.
1029 AssignNicNameSpecial(vport);
1031 if (vport->nicIndex == 0) {
1032 switchContext->virtualExternalPortId = vport->portId;
1033 switchContext->virtualExternalVport = vport;
1035 switchContext->numPhysicalNics++;
1038 case NdisSwitchPortTypeInternal:
1039 ASSERT(vport->isBridgeInternal == FALSE);
1041 /* Overwrite the 'portFriendlyName' of the internal vport. */
1042 AssignNicNameSpecial(vport);
1043 switchContext->internalPortId = vport->portId;
1044 switchContext->internalVport = vport;
1046 case NdisSwitchPortTypeSynthetic:
1047 case NdisSwitchPortTypeEmulated:
1052 * It is important to not insert vport corresponding to virtual external
1053 * port into the 'portIdHashArray' since the port should not be exposed to
1056 if (vport->portType == NdisSwitchPortTypeExternal &&
1057 vport->nicIndex == 0) {
1058 return NDIS_STATUS_SUCCESS;
1062 * NOTE: OvsJhashWords has portId as "1" word. This should be ok, even
1063 * though sizeof(NDIS_SWITCH_PORT_ID) = 4, not 2, because the
1064 * hyper-v switch seems to use only 2 bytes out of 4.
1066 hash = OvsJhashWords(&vport->portId, 1, OVS_HASH_BASIS);
1067 InsertHeadList(&switchContext->portIdHashArray[hash & OVS_VPORT_MASK],
1068 &vport->portIdLink);
1070 switchContext->numHvVports++;
1072 return NDIS_STATUS_SUCCESS;
1076 * --------------------------------------------------------------------------
1077 * Functionality common to any port added from OVS userspace.
1079 * Inserts the port into 'portNoHashArray', 'ovsPortNameHashArray' and in
1080 * 'tunnelVportsArray' if appropriate.
1081 * --------------------------------------------------------------------------
1084 InitOvsVportCommon(POVS_SWITCH_CONTEXT switchContext,
1085 POVS_VPORT_ENTRY vport)
1089 switch(vport->ovsType) {
1090 case OVS_VPORT_TYPE_VXLAN:
1091 case OVS_VPORT_TYPE_STT:
1093 UINT16 dstPort = GetPortFromPriv(vport);
1094 hash = OvsJhashBytes(&dstPort,
1098 &gOvsSwitchContext->tunnelVportsArray[hash & OVS_VPORT_MASK],
1099 &vport->tunnelVportLink);
1100 switchContext->numNonHvVports++;
1103 case OVS_VPORT_TYPE_INTERNAL:
1104 if (vport->isBridgeInternal) {
1105 switchContext->numNonHvVports++;
1112 * Insert the port into the hash array of ports: by port number and ovs
1113 * and ovs (datapath) port name.
1114 * NOTE: OvsJhashWords has portNo as "1" word. This is ok, because the
1115 * portNo is stored in 2 bytes only (max port number = MAXUINT16).
1117 hash = OvsJhashWords(&vport->portNo, 1, OVS_HASH_BASIS);
1118 InsertHeadList(&gOvsSwitchContext->portNoHashArray[hash & OVS_VPORT_MASK],
1119 &vport->portNoLink);
1121 hash = OvsJhashBytes(vport->ovsName, strlen(vport->ovsName) + 1,
1124 &gOvsSwitchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK],
1125 &vport->ovsNameLink);
1127 return STATUS_SUCCESS;
1132 * --------------------------------------------------------------------------
1133 * Provides functionality that is partly complementatry to
1134 * InitOvsVportCommon()/InitHvVportCommon().
1136 * 'hvDelete' indicates if caller is removing the vport as a result of the
1137 * port being removed on the Hyper-V switch.
1138 * 'ovsDelete' indicates if caller is removing the vport as a result of the
1139 * port being removed from OVS userspace.
1140 * --------------------------------------------------------------------------
1143 OvsRemoveAndDeleteVport(PVOID usrParamsContext,
1144 POVS_SWITCH_CONTEXT switchContext,
1145 POVS_VPORT_ENTRY vport,
1149 POVS_USER_PARAMS_CONTEXT usrParamsCtx =
1150 (POVS_USER_PARAMS_CONTEXT)usrParamsContext;
1151 BOOLEAN hvSwitchPort = FALSE;
1152 BOOLEAN deletedOnOvs = FALSE;
1153 BOOLEAN deletedOnHv = FALSE;
1155 switch (vport->ovsType) {
1156 case OVS_VPORT_TYPE_INTERNAL:
1157 if (!vport->isBridgeInternal) {
1158 if (hvDelete && vport->isAbsentOnHv == FALSE) {
1159 switchContext->internalPortId = 0;
1160 switchContext->internalVport = NULL;
1161 OvsInternalAdapterDown();
1163 hvSwitchPort = TRUE;
1166 case OVS_VPORT_TYPE_VXLAN:
1169 status = OvsRemoveTunnelVport(usrParamsCtx, switchContext, vport,
1170 hvDelete, ovsDelete);
1171 if (status != STATUS_SUCCESS) {
1175 case OVS_VPORT_TYPE_STT:
1176 OvsCleanupSttTunnel(vport);
1178 case OVS_VPORT_TYPE_GRE:
1180 case OVS_VPORT_TYPE_NETDEV:
1181 if (vport->isExternal) {
1182 if (vport->nicIndex == 0) {
1183 /* Such a vport is not part of any of the hash tables, since it
1184 * is not exposed to userspace. See Vport.h for explanation. */
1185 ASSERT(hvDelete == TRUE);
1186 ASSERT(switchContext->numPhysicalNics == 0);
1187 switchContext->virtualExternalPortId = 0;
1188 switchContext->virtualExternalVport = NULL;
1189 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1190 return STATUS_SUCCESS;
1193 hvSwitchPort = TRUE;
1199 * 'hvDelete' == TRUE indicates that the port should be removed from the
1200 * 'portIdHashArray', while 'ovsDelete' == TRUE indicates that the port
1201 * should be removed from 'portNoHashArray' and the 'ovsPortNameHashArray'.
1203 * Both 'hvDelete' and 'ovsDelete' can be set to TRUE by the caller.
1205 if (vport->isAbsentOnHv == TRUE) {
1208 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
1209 deletedOnOvs = TRUE;
1212 if (hvDelete && !deletedOnHv) {
1213 vport->isAbsentOnHv = TRUE;
1215 if (vport->isExternal) {
1216 ASSERT(vport->nicIndex != 0);
1217 ASSERT(switchContext->numPhysicalNics);
1218 switchContext->numPhysicalNics--;
1221 /* Remove the port from the relevant lists. */
1222 RemoveEntryList(&vport->portIdLink);
1223 InitializeListHead(&vport->portIdLink);
1226 if (ovsDelete && !deletedOnOvs) {
1227 vport->portNo = OVS_DPPORT_NUMBER_INVALID;
1228 vport->ovsName[0] = '\0';
1230 /* Remove the port from the relevant lists. */
1231 RemoveEntryList(&vport->ovsNameLink);
1232 InitializeListHead(&vport->ovsNameLink);
1233 RemoveEntryList(&vport->portNoLink);
1234 InitializeListHead(&vport->portNoLink);
1235 if (OVS_VPORT_TYPE_VXLAN == vport->ovsType ||
1236 OVS_VPORT_TYPE_STT == vport->ovsType) {
1237 RemoveEntryList(&vport->tunnelVportLink);
1238 InitializeListHead(&vport->tunnelVportLink);
1241 deletedOnOvs = TRUE;
1245 * Deallocate the port if it has been deleted on the Hyper-V switch as well
1248 if (deletedOnHv && deletedOnOvs) {
1250 switchContext->numHvVports--;
1252 switchContext->numNonHvVports--;
1254 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1257 return STATUS_SUCCESS;
1261 OvsRemoveTunnelVport(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1262 POVS_SWITCH_CONTEXT switchContext,
1263 POVS_VPORT_ENTRY vport,
1267 POVS_TUNFLT_INIT_CONTEXT tunnelContext = NULL;
1270 tunnelContext = OvsAllocateMemory(sizeof(*tunnelContext));
1271 if (tunnelContext == NULL) {
1272 return STATUS_INSUFFICIENT_RESOURCES;
1274 RtlZeroMemory(tunnelContext, sizeof(*tunnelContext));
1276 tunnelContext->switchContext = switchContext;
1277 tunnelContext->hvSwitchPort = FALSE;
1278 tunnelContext->hvDelete = hvDelete;
1279 tunnelContext->ovsDelete = ovsDelete;
1280 tunnelContext->vport = vport;
1283 tunnelContext->inputBuffer = usrParamsCtx->inputBuffer;
1284 tunnelContext->outputBuffer = usrParamsCtx->outputBuffer;
1285 tunnelContext->outputLength = usrParamsCtx->outputLength;
1286 irp = usrParamsCtx->irp;
1289 return OvsCleanupVxlanTunnel(irp, vport, OvsTunnelVportPendingRemove,
1296 OvsAddConfiguredSwitchPorts(POVS_SWITCH_CONTEXT switchContext)
1298 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
1300 PNDIS_SWITCH_PORT_PARAMETERS portParam;
1301 PNDIS_SWITCH_PORT_ARRAY portArray = NULL;
1302 POVS_VPORT_ENTRY vport;
1304 OVS_LOG_TRACE("Enter: switchContext:%p", switchContext);
1306 status = OvsGetPortsOnSwitch(switchContext, &portArray);
1307 if (status != NDIS_STATUS_SUCCESS) {
1311 for (arrIndex = 0; arrIndex < portArray->NumElements; arrIndex++) {
1312 portParam = NDIS_SWITCH_PORT_AT_ARRAY_INDEX(portArray, arrIndex);
1314 if (portParam->IsValidationPort) {
1318 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
1319 if (vport == NULL) {
1320 status = NDIS_STATUS_RESOURCES;
1323 OvsInitVportWithPortParam(vport, portParam);
1324 status = InitHvVportCommon(switchContext, vport, TRUE);
1325 if (status != NDIS_STATUS_SUCCESS) {
1326 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1332 if (status != NDIS_STATUS_SUCCESS) {
1333 OvsClearAllSwitchVports(switchContext);
1336 OvsFreeSwitchPortsArray(portArray);
1338 OVS_LOG_TRACE("Exit: status: %x", status);
1345 OvsInitConfiguredSwitchNics(POVS_SWITCH_CONTEXT switchContext)
1347 NDIS_STATUS status = NDIS_STATUS_SUCCESS;
1348 PNDIS_SWITCH_NIC_ARRAY nicArray = NULL;
1350 PNDIS_SWITCH_NIC_PARAMETERS nicParam;
1351 POVS_VPORT_ENTRY vport;
1353 OVS_LOG_TRACE("Enter: switchContext: %p", switchContext);
1355 * Now, get NIC list.
1357 status = OvsGetNicsOnSwitch(switchContext, &nicArray);
1358 if (status != NDIS_STATUS_SUCCESS) {
1361 for (arrIndex = 0; arrIndex < nicArray->NumElements; ++arrIndex) {
1363 nicParam = NDIS_SWITCH_NIC_AT_ARRAY_INDEX(nicArray, arrIndex);
1366 * XXX: Check if the port is configured with a VLAN. Disallow such a
1367 * configuration, since we don't support tag-in-tag.
1371 * XXX: Check if the port is connected to a VF. Disconnect the VF in
1375 if (nicParam->NicType == NdisSwitchNicTypeExternal &&
1376 nicParam->NicIndex != 0) {
1377 POVS_VPORT_ENTRY virtExtVport =
1378 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport;
1380 vport = OvsAllocateVport();
1382 OvsInitPhysNicVport(vport, virtExtVport,
1383 nicParam->NicIndex);
1384 status = InitHvVportCommon(switchContext, vport, TRUE);
1385 if (status != NDIS_STATUS_SUCCESS) {
1386 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
1391 vport = OvsFindVportByPortIdAndNicIndex(switchContext,
1393 nicParam->NicIndex);
1395 if (vport == NULL) {
1396 OVS_LOG_ERROR("Fail to allocate vport");
1399 OvsInitVportWithNicParam(switchContext, vport, nicParam);
1400 if (nicParam->NicType == NdisSwitchNicTypeInternal) {
1401 OvsInternalAdapterUp(vport->portNo, &nicParam->NetCfgInstanceId);
1406 OvsFreeSwitchNicsArray(nicArray);
1408 OVS_LOG_TRACE("Exit: status: %x", status);
1413 * --------------------------------------------------------------------------
1414 * Deletes ports added from the Hyper-V switch as well as OVS usersapce. The
1415 * function deletes ports in 'portIdHashArray'. This will delete most of the
1416 * ports that are in the 'portNoHashArray' as well. Any remaining ports
1417 * are deleted by walking the 'portNoHashArray'.
1418 * --------------------------------------------------------------------------
1421 OvsClearAllSwitchVports(POVS_SWITCH_CONTEXT switchContext)
1423 for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) {
1424 PLIST_ENTRY head, link, next;
1426 head = &(switchContext->portIdHashArray[hash & OVS_VPORT_MASK]);
1427 LIST_FORALL_SAFE(head, link, next) {
1428 POVS_VPORT_ENTRY vport;
1429 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink);
1430 OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, TRUE);
1435 * Remove 'virtualExternalVport' as well. This port is not part of the
1436 * 'portIdHashArray'.
1438 if (switchContext->virtualExternalVport) {
1439 OvsRemoveAndDeleteVport(NULL, switchContext,
1440 (POVS_VPORT_ENTRY)switchContext->virtualExternalVport, TRUE, TRUE);
1444 for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) {
1445 PLIST_ENTRY head, link, next;
1446 head = &(switchContext->portNoHashArray[hash & OVS_VPORT_MASK]);
1447 LIST_FORALL_SAFE(head, link, next) {
1448 POVS_VPORT_ENTRY vport;
1449 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
1450 ASSERT(OvsIsTunnelVportType(vport->ovsType) ||
1451 (vport->ovsType == OVS_VPORT_TYPE_INTERNAL &&
1452 vport->isBridgeInternal) || vport->isAbsentOnHv == TRUE);
1453 OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, TRUE);
1457 ASSERT(switchContext->virtualExternalVport == NULL);
1458 ASSERT(switchContext->internalVport == NULL);
1463 OvsConvertIfCountedStrToAnsiStr(PIF_COUNTED_STRING wStr,
1468 UNICODE_STRING ustr;
1472 ustr.Buffer = wStr->String;
1473 ustr.Length = wStr->Length;
1474 ustr.MaximumLength = IF_MAX_STRING_SIZE;
1477 astr.MaximumLength = maxStrLen;
1480 size = RtlUnicodeStringToAnsiSize(&ustr);
1481 if (size > maxStrLen) {
1482 return STATUS_BUFFER_OVERFLOW;
1485 status = RtlUnicodeStringToAnsiString(&astr, &ustr, FALSE);
1487 ASSERT(status == STATUS_SUCCESS);
1488 if (status != STATUS_SUCCESS) {
1491 ASSERT(astr.Length <= maxStrLen);
1492 str[astr.Length] = 0;
1493 return STATUS_SUCCESS;
1497 * --------------------------------------------------------------------------
1498 * Utility function that populates a 'OVS_VPORT_EXT_INFO' structure for the
1500 * --------------------------------------------------------------------------
1503 OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet,
1504 POVS_VPORT_EXT_INFO extInfo)
1506 POVS_VPORT_ENTRY vport;
1508 LOCK_STATE_EX lockState;
1509 NTSTATUS status = STATUS_SUCCESS;
1510 BOOLEAN doConvert = FALSE;
1512 RtlZeroMemory(extInfo, sizeof (POVS_VPORT_EXT_INFO));
1513 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1514 if (vportGet->portNo == 0) {
1515 StringCbLengthA(vportGet->name, OVS_MAX_PORT_NAME_LENGTH - 1, &len);
1516 vport = OvsFindVportByHvNameA(gOvsSwitchContext, vportGet->name);
1517 if (vport != NULL) {
1518 /* If the port is not a Hyper-V port and it has been added earlier,
1519 * we'll find it in 'ovsPortNameHashArray'. */
1520 vport = OvsFindVportByOvsName(gOvsSwitchContext, vportGet->name);
1523 vport = OvsFindVportByPortNo(gOvsSwitchContext, vportGet->portNo);
1525 if (vport == NULL || (vport->ovsState != OVS_STATE_CONNECTED &&
1526 vport->ovsState != OVS_STATE_NIC_CREATED)) {
1527 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1528 if (vportGet->portNo) {
1529 OVS_LOG_WARN("vport %u does not exist any more", vportGet->portNo);
1531 OVS_LOG_WARN("vport %s does not exist any more", vportGet->name);
1533 status = STATUS_DEVICE_DOES_NOT_EXIST;
1536 extInfo->dpNo = vportGet->dpNo;
1537 extInfo->portNo = vport->portNo;
1538 RtlCopyMemory(extInfo->macAddress, vport->currMacAddress,
1539 sizeof (vport->currMacAddress));
1540 RtlCopyMemory(extInfo->permMACAddress, vport->permMacAddress,
1541 sizeof (vport->permMacAddress));
1542 if (vport->ovsType == OVS_VPORT_TYPE_NETDEV) {
1543 RtlCopyMemory(extInfo->vmMACAddress, vport->vmMacAddress,
1544 sizeof (vport->vmMacAddress));
1546 extInfo->nicIndex = vport->nicIndex;
1547 extInfo->portId = vport->portId;
1548 extInfo->type = vport->ovsType;
1549 extInfo->mtu = vport->mtu;
1553 if (vport->ovsState == OVS_STATE_NIC_CREATED) {
1554 extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_DOWN;
1555 } else if (vport->ovsState == OVS_STATE_CONNECTED) {
1556 extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_UP;
1558 extInfo->status = OVS_EVENT_DISCONNECT;
1560 if (extInfo->type == OVS_VPORT_TYPE_NETDEV &&
1561 (vport->ovsState == OVS_STATE_NIC_CREATED ||
1562 vport->ovsState == OVS_STATE_CONNECTED)) {
1565 extInfo->vmUUID[0] = 0;
1566 extInfo->vifUUID[0] = 0;
1568 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1570 status = OvsConvertIfCountedStrToAnsiStr(&vport->portFriendlyName,
1572 OVS_MAX_PORT_NAME_LENGTH);
1573 if (status != STATUS_SUCCESS) {
1574 OVS_LOG_INFO("Fail to convert NIC name.");
1575 extInfo->vmUUID[0] = 0;
1578 status = OvsConvertIfCountedStrToAnsiStr(&vport->vmName,
1580 OVS_MAX_VM_UUID_LEN);
1581 if (status != STATUS_SUCCESS) {
1582 OVS_LOG_INFO("Fail to convert VM name.");
1583 extInfo->vmUUID[0] = 0;
1586 status = OvsConvertIfCountedStrToAnsiStr(&vport->nicName,
1588 OVS_MAX_VIF_UUID_LEN);
1589 if (status != STATUS_SUCCESS) {
1590 OVS_LOG_INFO("Fail to convert nic UUID");
1591 extInfo->vifUUID[0] = 0;
1594 * for now ignore status
1596 status = STATUS_SUCCESS;
1604 * --------------------------------------------------------------------------
1605 * Command Handler for 'OVS_WIN_NETDEV_CMD_GET'.
1606 * --------------------------------------------------------------------------
1609 OvsGetNetdevCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1612 NTSTATUS status = STATUS_SUCCESS;
1613 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
1614 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1615 NL_ERROR nlError = NL_ERROR_SUCCESS;
1616 OVS_VPORT_GET vportGet;
1617 OVS_VPORT_EXT_INFO info;
1619 static const NL_POLICY ovsNetdevPolicy[] = {
1620 [OVS_WIN_NETDEV_ATTR_NAME] = { .type = NL_A_STRING,
1622 .maxLen = IFNAMSIZ },
1624 PNL_ATTR netdevAttrs[ARRAY_SIZE(ovsNetdevPolicy)];
1626 /* input buffer has been validated while validating transaction dev op. */
1627 ASSERT(usrParamsCtx->inputBuffer != NULL &&
1628 usrParamsCtx->inputLength > sizeof *msgIn);
1630 if (msgOut == NULL || usrParamsCtx->outputLength < sizeof *msgOut) {
1631 return STATUS_INVALID_BUFFER_SIZE;
1634 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
1635 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
1636 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
1637 ovsNetdevPolicy, ARRAY_SIZE(ovsNetdevPolicy),
1638 netdevAttrs, ARRAY_SIZE(netdevAttrs))) {
1639 return STATUS_INVALID_PARAMETER;
1642 vportGet.portNo = 0;
1643 RtlCopyMemory(&vportGet.name, NlAttrGet(netdevAttrs[OVS_VPORT_ATTR_NAME]),
1644 NlAttrGetSize(netdevAttrs[OVS_VPORT_ATTR_NAME]));
1646 status = OvsGetExtInfoIoctl(&vportGet, &info);
1647 if (status == STATUS_DEVICE_DOES_NOT_EXIST) {
1648 nlError = NL_ERROR_NODEV;
1652 status = CreateNetlinkMesgForNetdev(&info, msgIn,
1653 usrParamsCtx->outputBuffer, usrParamsCtx->outputLength,
1654 gOvsSwitchContext->dpNo);
1655 if (status == STATUS_SUCCESS) {
1656 *replyLen = msgOut->nlMsg.nlmsgLen;
1660 if (nlError != NL_ERROR_SUCCESS) {
1661 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
1662 usrParamsCtx->outputBuffer;
1664 NlBuildErrorMsg(msgIn, msgError, nlError);
1665 *replyLen = msgError->nlMsg.nlmsgLen;
1668 return STATUS_SUCCESS;
1673 * --------------------------------------------------------------------------
1674 * Utility function to construct an OVS_MESSAGE for the specified vport. The
1675 * OVS_MESSAGE contains the output of a netdev command.
1676 * --------------------------------------------------------------------------
1679 CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info,
1688 UINT32 netdevFlags = 0;
1690 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1692 ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI,
1693 msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid,
1694 msgIn->genlMsg.cmd, msgIn->genlMsg.version,
1697 return STATUS_INVALID_BUFFER_SIZE;
1700 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_PORT_NO,
1703 return STATUS_INVALID_BUFFER_SIZE;
1706 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_TYPE, info->type);
1708 return STATUS_INVALID_BUFFER_SIZE;
1711 ok = NlMsgPutTailString(&nlBuffer, OVS_WIN_NETDEV_ATTR_NAME,
1714 return STATUS_INVALID_BUFFER_SIZE;
1717 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_WIN_NETDEV_ATTR_MAC_ADDR,
1718 (PCHAR)info->macAddress, sizeof (info->macAddress));
1720 return STATUS_INVALID_BUFFER_SIZE;
1723 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_MTU, info->mtu);
1725 return STATUS_INVALID_BUFFER_SIZE;
1728 if (info->status != OVS_EVENT_CONNECT) {
1729 netdevFlags = OVS_WIN_NETDEV_IFF_UP;
1731 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_IF_FLAGS,
1734 return STATUS_INVALID_BUFFER_SIZE;
1738 * XXX: add netdev_stats when we have the definition available in the
1742 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1743 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1745 return STATUS_SUCCESS;
1748 static __inline VOID
1749 OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext, ULONG sleepMicroSec)
1751 while ((!switchContext->isActivated) &&
1752 (!switchContext->isActivateFailed)) {
1753 /* Wait for the switch to be active and
1754 * the list of ports in OVS to be initialized. */
1755 NdisMSleep(sleepMicroSec);
1760 OvsCreateMsgFromVport(POVS_VPORT_ENTRY vport,
1767 OVS_VPORT_FULL_STATS vportStats;
1771 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1773 ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI,
1774 msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid,
1775 msgIn->genlMsg.cmd, msgIn->genlMsg.version,
1778 return STATUS_INVALID_BUFFER_SIZE;
1781 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_PORT_NO, vport->portNo);
1783 return STATUS_INVALID_BUFFER_SIZE;
1786 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_TYPE, vport->ovsType);
1788 return STATUS_INVALID_BUFFER_SIZE;
1791 ok = NlMsgPutTailString(&nlBuffer, OVS_VPORT_ATTR_NAME, vport->ovsName);
1793 return STATUS_INVALID_BUFFER_SIZE;
1797 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
1798 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
1799 * it means we have an array of pids, instead of a single pid.
1800 * ATM we assume we have one pid only.
1803 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_UPCALL_PID,
1806 return STATUS_INVALID_BUFFER_SIZE;
1810 vportStats.rxPackets = vport->stats.rxPackets;
1811 vportStats.rxBytes = vport->stats.rxBytes;
1812 vportStats.txPackets = vport->stats.txPackets;
1813 vportStats.txBytes = vport->stats.txBytes;
1814 vportStats.rxErrors = vport->errStats.rxErrors;
1815 vportStats.txErrors = vport->errStats.txErrors;
1816 vportStats.rxDropped = vport->errStats.rxDropped;
1817 vportStats.txDropped = vport->errStats.txDropped;
1819 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_VPORT_ATTR_STATS,
1821 sizeof(OVS_VPORT_FULL_STATS));
1823 return STATUS_INVALID_BUFFER_SIZE;
1827 * XXX: when vxlan udp dest port becomes configurable, we will also need
1828 * to add vport options
1831 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1832 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1834 return STATUS_SUCCESS;
1838 OvsGetVportDumpNext(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1842 POVS_OPEN_INSTANCE instance =
1843 (POVS_OPEN_INSTANCE)usrParamsCtx->ovsInstance;
1844 LOCK_STATE_EX lockState;
1845 UINT32 i = OVS_MAX_VPORT_ARRAY_SIZE;
1848 * XXX: this function shares some code with other dump command(s).
1849 * In the future, we will need to refactor the dump functions
1852 ASSERT(usrParamsCtx->devOp == OVS_READ_DEV_OP);
1854 if (instance->dumpState.ovsMsg == NULL) {
1856 return STATUS_INVALID_DEVICE_STATE;
1859 /* Output buffer has been validated while validating read dev op. */
1860 ASSERT(usrParamsCtx->outputBuffer != NULL);
1862 msgIn = instance->dumpState.ovsMsg;
1865 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
1866 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
1867 * it means we have an array of pids, instead of a single pid.
1868 * ATM we assume we have one pid only.
1870 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1872 if (gOvsSwitchContext->numHvVports > 0 ||
1873 gOvsSwitchContext->numNonHvVports > 0) {
1874 /* inBucket: the bucket, used for lookup */
1875 UINT32 inBucket = instance->dumpState.index[0];
1876 /* inIndex: index within the given bucket, used for lookup */
1877 UINT32 inIndex = instance->dumpState.index[1];
1878 /* the bucket to be used for the next dump operation */
1879 UINT32 outBucket = 0;
1880 /* the index within the outBucket to be used for the next dump */
1881 UINT32 outIndex = 0;
1883 for (i = inBucket; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
1884 PLIST_ENTRY head, link;
1885 head = &(gOvsSwitchContext->portNoHashArray[i]);
1886 POVS_VPORT_ENTRY vport = NULL;
1889 LIST_FORALL(head, link) {
1892 * if one or more dumps were previously done on this same bucket,
1893 * inIndex will be > 0, so we'll need to reply with the
1894 * inIndex + 1 vport from the bucket.
1896 if (outIndex >= inIndex) {
1897 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
1899 ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID);
1900 OvsCreateMsgFromVport(vport, msgIn,
1901 usrParamsCtx->outputBuffer,
1902 usrParamsCtx->outputLength,
1903 gOvsSwitchContext->dpNo);
1916 * if no vport was found above, check the next bucket, beginning
1917 * with the first (i.e. index 0) elem from within that bucket
1924 /* XXX: what about NLMSG_DONE (as msg type)? */
1925 instance->dumpState.index[0] = outBucket;
1926 instance->dumpState.index[1] = outIndex;
1929 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1931 /* if i < OVS_MAX_VPORT_ARRAY_SIZE => vport was found */
1932 if (i < OVS_MAX_VPORT_ARRAY_SIZE) {
1933 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1934 *replyLen = msgOut->nlMsg.nlmsgLen;
1937 * if i >= OVS_MAX_VPORT_ARRAY_SIZE => vport was not found =>
1941 /* Free up the dump state, since there's no more data to continue. */
1942 FreeUserDumpState(instance);
1945 return STATUS_SUCCESS;
1949 OvsGetVport(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1952 NTSTATUS status = STATUS_SUCCESS;
1953 LOCK_STATE_EX lockState;
1955 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
1956 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1957 POVS_VPORT_ENTRY vport = NULL;
1958 NL_ERROR nlError = NL_ERROR_SUCCESS;
1959 PCHAR portName = NULL;
1960 UINT32 portNameLen = 0;
1961 UINT32 portNumber = OVS_DPPORT_NUMBER_INVALID;
1963 static const NL_POLICY ovsVportPolicy[] = {
1964 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
1965 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING,
1970 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
1972 /* input buffer has been validated while validating write dev op. */
1973 ASSERT(usrParamsCtx->inputBuffer != NULL);
1975 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
1976 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
1977 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
1978 ovsVportPolicy, ARRAY_SIZE(ovsVportPolicy),
1979 vportAttrs, ARRAY_SIZE(vportAttrs))) {
1980 return STATUS_INVALID_PARAMETER;
1983 /* Output buffer has been validated while validating transact dev op. */
1984 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
1986 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1987 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
1988 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
1989 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
1991 /* the port name is expected to be null-terminated */
1992 ASSERT(portName[portNameLen - 1] == '\0');
1994 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
1995 } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
1996 portNumber = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
1998 vport = OvsFindVportByPortNo(gOvsSwitchContext, portNumber);
2000 nlError = NL_ERROR_INVAL;
2001 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2006 nlError = NL_ERROR_NODEV;
2007 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2011 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2012 usrParamsCtx->outputLength,
2013 gOvsSwitchContext->dpNo);
2014 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2016 *replyLen = msgOut->nlMsg.nlmsgLen;
2019 if (nlError != NL_ERROR_SUCCESS) {
2020 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2021 usrParamsCtx->outputBuffer;
2023 NlBuildErrorMsg(msgIn, msgError, nlError);
2024 *replyLen = msgError->nlMsg.nlmsgLen;
2027 return STATUS_SUCCESS;
2031 * --------------------------------------------------------------------------
2032 * Command Handler for 'OVS_VPORT_CMD_GET'.
2034 * The function handles the initial call to setup the dump state, as well as
2035 * subsequent calls to continue dumping data.
2036 * --------------------------------------------------------------------------
2039 OvsGetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2044 switch (usrParamsCtx->devOp) {
2045 case OVS_WRITE_DEV_OP:
2046 return OvsSetupDumpStart(usrParamsCtx);
2048 case OVS_READ_DEV_OP:
2049 return OvsGetVportDumpNext(usrParamsCtx, replyLen);
2051 case OVS_TRANSACTION_DEV_OP:
2052 return OvsGetVport(usrParamsCtx, replyLen);
2055 return STATUS_INVALID_DEVICE_REQUEST;
2061 OvsComputeVportNo(POVS_SWITCH_CONTEXT switchContext)
2063 /* we are not allowed to create the port OVS_DPPORT_NUMBER_LOCAL */
2064 for (ULONG i = OVS_DPPORT_NUMBER_LOCAL + 1; i < MAXUINT16; ++i) {
2065 POVS_VPORT_ENTRY vport;
2067 vport = OvsFindVportByPortNo(switchContext, i);
2073 return OVS_DPPORT_NUMBER_INVALID;
2077 * --------------------------------------------------------------------------
2078 * Command Handler for 'OVS_VPORT_CMD_NEW'.
2079 * --------------------------------------------------------------------------
2082 OvsNewVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2085 NDIS_STATUS status = STATUS_SUCCESS;
2086 LOCK_STATE_EX lockState;
2088 NL_ERROR nlError = NL_ERROR_SUCCESS;
2089 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2090 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2091 POVS_VPORT_ENTRY vport = NULL;
2095 BOOLEAN isBridgeInternal = FALSE;
2096 BOOLEAN vportAllocated = FALSE, vportInitialized = FALSE;
2097 BOOLEAN addInternalPortAsNetdev = FALSE;
2099 static const NL_POLICY ovsVportPolicy[] = {
2100 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2101 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE },
2102 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2104 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2105 .optional = FALSE },
2106 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2109 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2111 /* input buffer has been validated while validating write dev op. */
2112 ASSERT(usrParamsCtx->inputBuffer != NULL);
2114 /* Output buffer has been validated while validating transact dev op. */
2115 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2117 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2118 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2119 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2120 ovsVportPolicy, ARRAY_SIZE(ovsVportPolicy),
2121 vportAttrs, ARRAY_SIZE(vportAttrs))) {
2122 return STATUS_INVALID_PARAMETER;
2125 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2126 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2127 portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2129 /* we are expecting null terminated strings to be passed */
2130 ASSERT(portName[portNameLen - 1] == '\0');
2132 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2134 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2136 nlError = NL_ERROR_EXIST;
2140 if (portName && portType == OVS_VPORT_TYPE_NETDEV &&
2141 !strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) {
2142 addInternalPortAsNetdev = TRUE;
2145 if (portName && portType == OVS_VPORT_TYPE_INTERNAL &&
2146 strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) {
2147 isBridgeInternal = TRUE;
2150 if (portType == OVS_VPORT_TYPE_INTERNAL && !isBridgeInternal) {
2151 vport = gOvsSwitchContext->internalVport;
2152 } else if (portType == OVS_VPORT_TYPE_NETDEV) {
2153 /* External ports can also be looked up like VIF ports. */
2154 vport = OvsFindVportByHvNameA(gOvsSwitchContext, portName);
2156 ASSERT(OvsIsTunnelVportType(portType) ||
2157 (portType == OVS_VPORT_TYPE_INTERNAL && isBridgeInternal));
2159 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
2160 if (vport == NULL) {
2161 nlError = NL_ERROR_NOMEM;
2164 vportAllocated = TRUE;
2166 if (OvsIsTunnelVportType(portType)) {
2167 UINT16 transportPortDest = 0;
2170 case OVS_VPORT_TYPE_VXLAN:
2171 transportPortDest = VXLAN_UDP_PORT;
2173 case OVS_VPORT_TYPE_STT:
2174 transportPortDest = STT_TCP_PORT;
2180 PNL_ATTR attr = NlAttrFindNested(vportAttrs[OVS_VPORT_ATTR_OPTIONS],
2181 OVS_TUNNEL_ATTR_DST_PORT);
2183 transportPortDest = NlAttrGetU16(attr);
2186 status = OvsInitTunnelVport(usrParamsCtx,
2191 nlError = NlMapStatusToNlErr(status);
2193 OvsInitBridgeInternalVport(vport);
2196 vportInitialized = TRUE;
2198 if (nlError == NL_ERROR_SUCCESS) {
2199 vport->ovsState = OVS_STATE_CONNECTED;
2200 vport->nicState = NdisSwitchNicStateConnected;
2203 * Allow the vport to be deleted, because there is no
2204 * corresponding hyper-v switch part.
2206 vport->isAbsentOnHv = TRUE;
2213 nlError = NL_ERROR_INVAL;
2216 if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) {
2217 nlError = NL_ERROR_EXIST;
2221 /* Initialize the vport with OVS specific properties. */
2222 if (addInternalPortAsNetdev != TRUE) {
2223 vport->ovsType = portType;
2225 if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2227 * XXX: when we implement the limit for ovs port number to be
2228 * MAXUINT16, we'll need to check the port number received from the
2231 vport->portNo = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
2233 vport->portNo = OvsComputeVportNo(gOvsSwitchContext);
2234 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
2235 nlError = NL_ERROR_NOMEM;
2240 /* The ovs port name must be uninitialized. */
2241 ASSERT(vport->ovsName[0] == '\0');
2242 ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH);
2244 RtlCopyMemory(vport->ovsName, portName, portNameLen);
2245 /* if we don't have options, then vport->portOptions will be NULL */
2246 vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS];
2249 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2250 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2251 * it means we have an array of pids, instead of a single pid.
2252 * ATM we assume we have one pid only.
2254 vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2256 status = InitOvsVportCommon(gOvsSwitchContext, vport);
2257 ASSERT(status == STATUS_SUCCESS);
2259 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2260 usrParamsCtx->outputLength,
2261 gOvsSwitchContext->dpNo);
2263 *replyLen = msgOut->nlMsg.nlmsgLen;
2266 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2268 if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) {
2269 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2270 usrParamsCtx->outputBuffer;
2272 if (vport && vportAllocated == TRUE) {
2273 if (vportInitialized == TRUE) {
2274 if (OvsIsTunnelVportType(portType)) {
2275 switch (vport->ovsType) {
2276 case OVS_VPORT_TYPE_VXLAN:
2277 OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL);
2279 case OVS_VPORT_TYPE_STT:
2280 OvsCleanupSttTunnel(vport);
2283 ASSERT(!"Invalid tunnel port type");
2287 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
2290 NlBuildErrorMsg(msgIn, msgError, nlError);
2291 *replyLen = msgError->nlMsg.nlmsgLen;
2294 return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS;
2299 * --------------------------------------------------------------------------
2300 * Command Handler for 'OVS_VPORT_CMD_SET'.
2301 * --------------------------------------------------------------------------
2304 OvsSetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2307 NDIS_STATUS status = STATUS_SUCCESS;
2308 LOCK_STATE_EX lockState;
2310 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2311 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2312 POVS_VPORT_ENTRY vport = NULL;
2313 NL_ERROR nlError = NL_ERROR_SUCCESS;
2315 static const NL_POLICY ovsVportPolicy[] = {
2316 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2317 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = TRUE },
2318 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2320 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2322 [OVS_VPORT_ATTR_STATS] = { .type = NL_A_UNSPEC,
2323 .minLen = sizeof(OVS_VPORT_FULL_STATS),
2324 .maxLen = sizeof(OVS_VPORT_FULL_STATS),
2326 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2328 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2330 ASSERT(usrParamsCtx->inputBuffer != NULL);
2332 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2333 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2334 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2335 ovsVportPolicy, ARRAY_SIZE(ovsVportPolicy),
2336 vportAttrs, ARRAY_SIZE(vportAttrs))) {
2337 return STATUS_INVALID_PARAMETER;
2340 /* Output buffer has been validated while validating transact dev op. */
2341 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2343 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2344 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
2345 PSTR portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2347 UINT32 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2349 /* the port name is expected to be null-terminated */
2350 ASSERT(portName[portNameLen - 1] == '\0');
2352 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2353 } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2354 vport = OvsFindVportByPortNo(gOvsSwitchContext,
2355 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]));
2359 nlError = NL_ERROR_NODEV;
2364 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2365 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2366 * it means we have an array of pids, instead of a single pid.
2367 * Currently, we support only one pid.
2369 if (vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]) {
2370 vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2373 if (vportAttrs[OVS_VPORT_ATTR_TYPE]) {
2374 OVS_VPORT_TYPE type = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2375 if (type != vport->ovsType) {
2376 nlError = NL_ERROR_INVAL;
2381 if (vportAttrs[OVS_VPORT_ATTR_OPTIONS]) {
2382 OVS_LOG_ERROR("Vport options not supported");
2383 nlError = NL_ERROR_NOTSUPP;
2387 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2388 usrParamsCtx->outputLength,
2389 gOvsSwitchContext->dpNo);
2391 *replyLen = msgOut->nlMsg.nlmsgLen;
2394 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2396 if (nlError != NL_ERROR_SUCCESS) {
2397 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2398 usrParamsCtx->outputBuffer;
2400 NlBuildErrorMsg(msgIn, msgError, nlError);
2401 *replyLen = msgError->nlMsg.nlmsgLen;
2404 return STATUS_SUCCESS;
2408 * --------------------------------------------------------------------------
2409 * Command Handler for 'OVS_VPORT_CMD_DEL'.
2410 * --------------------------------------------------------------------------
2413 OvsDeleteVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2416 NDIS_STATUS status = STATUS_SUCCESS;
2417 LOCK_STATE_EX lockState;
2419 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2420 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2421 POVS_VPORT_ENTRY vport = NULL;
2422 NL_ERROR nlError = NL_ERROR_SUCCESS;
2423 PSTR portName = NULL;
2424 UINT32 portNameLen = 0;
2426 static const NL_POLICY ovsVportPolicy[] = {
2427 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2428 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2431 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2433 ASSERT(usrParamsCtx->inputBuffer != NULL);
2435 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2436 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2437 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2438 ovsVportPolicy, ARRAY_SIZE(ovsVportPolicy),
2439 vportAttrs, ARRAY_SIZE(vportAttrs))) {
2440 return STATUS_INVALID_PARAMETER;
2443 /* Output buffer has been validated while validating transact dev op. */
2444 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2446 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2447 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
2448 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2449 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2451 /* the port name is expected to be null-terminated */
2452 ASSERT(portName[portNameLen - 1] == '\0');
2454 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2456 else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2457 vport = OvsFindVportByPortNo(gOvsSwitchContext,
2458 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]));
2462 nlError = NL_ERROR_NODEV;
2466 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2467 usrParamsCtx->outputLength,
2468 gOvsSwitchContext->dpNo);
2470 *replyLen = msgOut->nlMsg.nlmsgLen;
2473 * Mark the port as deleted from OVS userspace. If the port does not exist
2474 * on the Hyper-V switch, it gets deallocated. Otherwise, it stays.
2476 status = OvsRemoveAndDeleteVport(usrParamsCtx,
2482 nlError = NlMapStatusToNlErr(status);
2486 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2488 if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) {
2489 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2490 usrParamsCtx->outputBuffer;
2492 NlBuildErrorMsg(msgIn, msgError, nlError);
2493 *replyLen = msgError->nlMsg.nlmsgLen;
2496 return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS;
2500 OvsTunnelVportPendingRemove(PVOID context,
2504 POVS_TUNFLT_INIT_CONTEXT tunnelContext =
2505 (POVS_TUNFLT_INIT_CONTEXT) context;
2506 POVS_SWITCH_CONTEXT switchContext = tunnelContext->switchContext;
2507 POVS_VPORT_ENTRY vport = tunnelContext->vport;
2508 POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer;
2509 POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer;
2510 NL_ERROR nlError = NlMapStatusToNlErr(status);
2511 LOCK_STATE_EX lockState;
2513 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
2515 if (msgIn && msgOut) {
2516 /* Check the received status to reply to the caller. */
2517 if (STATUS_SUCCESS == status) {
2518 OvsCreateMsgFromVport(vport,
2521 tunnelContext->outputLength,
2522 switchContext->dpNo);
2524 *replyLen = msgOut->nlMsg.nlmsgLen;
2526 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)msgOut;
2528 NlBuildErrorMsg(msgIn, msgError, nlError);
2529 *replyLen = msgError->nlMsg.nlmsgLen;
2533 ASSERT(vport->isAbsentOnHv == TRUE);
2534 ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID);
2536 /* Remove the port from the relevant lists. */
2537 switchContext->numNonHvVports--;
2538 RemoveEntryList(&vport->ovsNameLink);
2539 RemoveEntryList(&vport->portNoLink);
2540 RemoveEntryList(&vport->tunnelVportLink);
2543 OvsFreeMemoryWithTag(vport->priv, OVS_VXLAN_POOL_TAG);
2547 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
2549 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
2553 OvsTunnelVportPendingInit(PVOID context,
2557 POVS_TUNFLT_INIT_CONTEXT tunnelContext =
2558 (POVS_TUNFLT_INIT_CONTEXT) context;
2559 POVS_VPORT_ENTRY vport = tunnelContext->vport;
2560 POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer;
2561 POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer;
2563 ULONG portNameLen = 0;
2564 UINT32 portType = 0;
2565 NL_ERROR nlError = NL_ERROR_SUCCESS;
2566 BOOLEAN error = TRUE;
2569 if (!NT_SUCCESS(status)) {
2570 nlError = NlMapStatusToNlErr(status);
2574 static const NL_POLICY ovsVportPolicy[] = {
2575 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2576 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE },
2577 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2578 .optional = FALSE },
2579 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2580 .optional = FALSE },
2581 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2584 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2586 /* input buffer has been validated while validating write dev op. */
2587 ASSERT(msgIn != NULL);
2589 /* Output buffer has been validated while validating transact dev op. */
2590 ASSERT(msgOut != NULL && tunnelContext->outputLength >= sizeof *msgOut);
2592 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2593 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2594 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2595 ovsVportPolicy, ARRAY_SIZE(ovsVportPolicy),
2596 vportAttrs, ARRAY_SIZE(vportAttrs))) {
2597 nlError = NL_ERROR_INVAL;
2601 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2602 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2603 portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2605 if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) {
2606 nlError = NL_ERROR_EXIST;
2610 vport->ovsState = OVS_STATE_CONNECTED;
2611 vport->nicState = NdisSwitchNicStateConnected;
2614 * Allow the vport to be deleted, because there is no
2615 * corresponding hyper-v switch part.
2617 vport->isAbsentOnHv = TRUE;
2619 if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2621 * XXX: when we implement the limit for OVS port number to be
2622 * MAXUINT16, we'll need to check the port number received from the
2626 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
2629 OvsComputeVportNo(gOvsSwitchContext);
2630 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
2631 nlError = NL_ERROR_NOMEM;
2636 /* The ovs port name must be uninitialized. */
2637 ASSERT(vport->ovsName[0] == '\0');
2638 ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH);
2640 RtlCopyMemory(vport->ovsName, portName, portNameLen);
2641 /* if we don't have options, then vport->portOptions will be NULL */
2642 vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS];
2645 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2646 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2647 * it means we have an array of pids, instead of a single pid.
2648 * ATM we assume we have one pid only.
2651 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2653 status = InitOvsVportCommon(gOvsSwitchContext, vport);
2654 ASSERT(status == STATUS_SUCCESS);
2656 OvsCreateMsgFromVport(vport,
2659 tunnelContext->outputLength,
2660 gOvsSwitchContext->dpNo);
2662 *replyLen = msgOut->nlMsg.nlmsgLen;
2668 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) msgOut;
2670 OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL);
2671 OvsFreeMemory(vport);
2673 NlBuildErrorMsg(msgIn, msgError, nlError);
2674 *replyLen = msgError->nlMsg.nlmsgLen;