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, netdevAttrs, ARRAY_SIZE(netdevAttrs))) {
1638 return STATUS_INVALID_PARAMETER;
1641 vportGet.portNo = 0;
1642 RtlCopyMemory(&vportGet.name, NlAttrGet(netdevAttrs[OVS_VPORT_ATTR_NAME]),
1643 NlAttrGetSize(netdevAttrs[OVS_VPORT_ATTR_NAME]));
1645 status = OvsGetExtInfoIoctl(&vportGet, &info);
1646 if (status == STATUS_DEVICE_DOES_NOT_EXIST) {
1647 nlError = NL_ERROR_NODEV;
1651 status = CreateNetlinkMesgForNetdev(&info, msgIn,
1652 usrParamsCtx->outputBuffer, usrParamsCtx->outputLength,
1653 gOvsSwitchContext->dpNo);
1654 if (status == STATUS_SUCCESS) {
1655 *replyLen = msgOut->nlMsg.nlmsgLen;
1659 if (nlError != NL_ERROR_SUCCESS) {
1660 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
1661 usrParamsCtx->outputBuffer;
1663 NlBuildErrorMsg(msgIn, msgError, nlError);
1664 *replyLen = msgError->nlMsg.nlmsgLen;
1667 return STATUS_SUCCESS;
1672 * --------------------------------------------------------------------------
1673 * Utility function to construct an OVS_MESSAGE for the specified vport. The
1674 * OVS_MESSAGE contains the output of a netdev command.
1675 * --------------------------------------------------------------------------
1678 CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info,
1687 UINT32 netdevFlags = 0;
1689 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1691 ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI,
1692 msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid,
1693 msgIn->genlMsg.cmd, msgIn->genlMsg.version,
1696 return STATUS_INVALID_BUFFER_SIZE;
1699 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_PORT_NO,
1702 return STATUS_INVALID_BUFFER_SIZE;
1705 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_TYPE, info->type);
1707 return STATUS_INVALID_BUFFER_SIZE;
1710 ok = NlMsgPutTailString(&nlBuffer, OVS_WIN_NETDEV_ATTR_NAME,
1713 return STATUS_INVALID_BUFFER_SIZE;
1716 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_WIN_NETDEV_ATTR_MAC_ADDR,
1717 (PCHAR)info->macAddress, sizeof (info->macAddress));
1719 return STATUS_INVALID_BUFFER_SIZE;
1722 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_MTU, info->mtu);
1724 return STATUS_INVALID_BUFFER_SIZE;
1727 if (info->status != OVS_EVENT_CONNECT) {
1728 netdevFlags = OVS_WIN_NETDEV_IFF_UP;
1730 ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_IF_FLAGS,
1733 return STATUS_INVALID_BUFFER_SIZE;
1737 * XXX: add netdev_stats when we have the definition available in the
1741 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1742 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1744 return STATUS_SUCCESS;
1747 static __inline VOID
1748 OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext, ULONG sleepMicroSec)
1750 while ((!switchContext->isActivated) &&
1751 (!switchContext->isActivateFailed)) {
1752 /* Wait for the switch to be active and
1753 * the list of ports in OVS to be initialized. */
1754 NdisMSleep(sleepMicroSec);
1759 OvsCreateMsgFromVport(POVS_VPORT_ENTRY vport,
1766 OVS_VPORT_FULL_STATS vportStats;
1770 NlBufInit(&nlBuffer, outBuffer, outBufLen);
1772 ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI,
1773 msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid,
1774 msgIn->genlMsg.cmd, msgIn->genlMsg.version,
1777 return STATUS_INVALID_BUFFER_SIZE;
1780 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_PORT_NO, vport->portNo);
1782 return STATUS_INVALID_BUFFER_SIZE;
1785 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_TYPE, vport->ovsType);
1787 return STATUS_INVALID_BUFFER_SIZE;
1790 ok = NlMsgPutTailString(&nlBuffer, OVS_VPORT_ATTR_NAME, vport->ovsName);
1792 return STATUS_INVALID_BUFFER_SIZE;
1796 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
1797 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
1798 * it means we have an array of pids, instead of a single pid.
1799 * ATM we assume we have one pid only.
1802 ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_UPCALL_PID,
1805 return STATUS_INVALID_BUFFER_SIZE;
1809 vportStats.rxPackets = vport->stats.rxPackets;
1810 vportStats.rxBytes = vport->stats.rxBytes;
1811 vportStats.txPackets = vport->stats.txPackets;
1812 vportStats.txBytes = vport->stats.txBytes;
1813 vportStats.rxErrors = vport->errStats.rxErrors;
1814 vportStats.txErrors = vport->errStats.txErrors;
1815 vportStats.rxDropped = vport->errStats.rxDropped;
1816 vportStats.txDropped = vport->errStats.txDropped;
1818 ok = NlMsgPutTailUnspec(&nlBuffer, OVS_VPORT_ATTR_STATS,
1820 sizeof(OVS_VPORT_FULL_STATS));
1822 return STATUS_INVALID_BUFFER_SIZE;
1826 * XXX: when vxlan udp dest port becomes configurable, we will also need
1827 * to add vport options
1830 nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0);
1831 nlMsg->nlmsgLen = NlBufSize(&nlBuffer);
1833 return STATUS_SUCCESS;
1837 OvsGetVportDumpNext(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1841 POVS_OPEN_INSTANCE instance =
1842 (POVS_OPEN_INSTANCE)usrParamsCtx->ovsInstance;
1843 LOCK_STATE_EX lockState;
1844 UINT32 i = OVS_MAX_VPORT_ARRAY_SIZE;
1847 * XXX: this function shares some code with other dump command(s).
1848 * In the future, we will need to refactor the dump functions
1851 ASSERT(usrParamsCtx->devOp == OVS_READ_DEV_OP);
1853 if (instance->dumpState.ovsMsg == NULL) {
1855 return STATUS_INVALID_DEVICE_STATE;
1858 /* Output buffer has been validated while validating read dev op. */
1859 ASSERT(usrParamsCtx->outputBuffer != NULL);
1861 msgIn = instance->dumpState.ovsMsg;
1864 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
1865 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
1866 * it means we have an array of pids, instead of a single pid.
1867 * ATM we assume we have one pid only.
1869 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1871 if (gOvsSwitchContext->numHvVports > 0 ||
1872 gOvsSwitchContext->numNonHvVports > 0) {
1873 /* inBucket: the bucket, used for lookup */
1874 UINT32 inBucket = instance->dumpState.index[0];
1875 /* inIndex: index within the given bucket, used for lookup */
1876 UINT32 inIndex = instance->dumpState.index[1];
1877 /* the bucket to be used for the next dump operation */
1878 UINT32 outBucket = 0;
1879 /* the index within the outBucket to be used for the next dump */
1880 UINT32 outIndex = 0;
1882 for (i = inBucket; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) {
1883 PLIST_ENTRY head, link;
1884 head = &(gOvsSwitchContext->portNoHashArray[i]);
1885 POVS_VPORT_ENTRY vport = NULL;
1888 LIST_FORALL(head, link) {
1891 * if one or more dumps were previously done on this same bucket,
1892 * inIndex will be > 0, so we'll need to reply with the
1893 * inIndex + 1 vport from the bucket.
1895 if (outIndex >= inIndex) {
1896 vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink);
1898 ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID);
1899 OvsCreateMsgFromVport(vport, msgIn,
1900 usrParamsCtx->outputBuffer,
1901 usrParamsCtx->outputLength,
1902 gOvsSwitchContext->dpNo);
1915 * if no vport was found above, check the next bucket, beginning
1916 * with the first (i.e. index 0) elem from within that bucket
1923 /* XXX: what about NLMSG_DONE (as msg type)? */
1924 instance->dumpState.index[0] = outBucket;
1925 instance->dumpState.index[1] = outIndex;
1928 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
1930 /* if i < OVS_MAX_VPORT_ARRAY_SIZE => vport was found */
1931 if (i < OVS_MAX_VPORT_ARRAY_SIZE) {
1932 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1933 *replyLen = msgOut->nlMsg.nlmsgLen;
1936 * if i >= OVS_MAX_VPORT_ARRAY_SIZE => vport was not found =>
1940 /* Free up the dump state, since there's no more data to continue. */
1941 FreeUserDumpState(instance);
1944 return STATUS_SUCCESS;
1948 OvsGetVport(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
1951 NTSTATUS status = STATUS_SUCCESS;
1952 LOCK_STATE_EX lockState;
1954 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
1955 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
1956 POVS_VPORT_ENTRY vport = NULL;
1957 NL_ERROR nlError = NL_ERROR_SUCCESS;
1958 PCHAR portName = NULL;
1959 UINT32 portNameLen = 0;
1960 UINT32 portNumber = OVS_DPPORT_NUMBER_INVALID;
1962 static const NL_POLICY ovsVportPolicy[] = {
1963 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
1964 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING,
1969 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
1971 /* input buffer has been validated while validating write dev op. */
1972 ASSERT(usrParamsCtx->inputBuffer != NULL);
1974 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
1975 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
1976 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
1977 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
1978 return STATUS_INVALID_PARAMETER;
1981 /* Output buffer has been validated while validating transact dev op. */
1982 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
1984 NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0);
1985 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
1986 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
1987 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
1989 /* the port name is expected to be null-terminated */
1990 ASSERT(portName[portNameLen - 1] == '\0');
1992 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
1993 } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
1994 portNumber = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
1996 vport = OvsFindVportByPortNo(gOvsSwitchContext, portNumber);
1998 nlError = NL_ERROR_INVAL;
1999 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2004 nlError = NL_ERROR_NODEV;
2005 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2009 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2010 usrParamsCtx->outputLength,
2011 gOvsSwitchContext->dpNo);
2012 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2014 *replyLen = msgOut->nlMsg.nlmsgLen;
2017 if (nlError != NL_ERROR_SUCCESS) {
2018 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2019 usrParamsCtx->outputBuffer;
2021 NlBuildErrorMsg(msgIn, msgError, nlError);
2022 *replyLen = msgError->nlMsg.nlmsgLen;
2025 return STATUS_SUCCESS;
2029 * --------------------------------------------------------------------------
2030 * Command Handler for 'OVS_VPORT_CMD_GET'.
2032 * The function handles the initial call to setup the dump state, as well as
2033 * subsequent calls to continue dumping data.
2034 * --------------------------------------------------------------------------
2037 OvsGetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2042 switch (usrParamsCtx->devOp) {
2043 case OVS_WRITE_DEV_OP:
2044 return OvsSetupDumpStart(usrParamsCtx);
2046 case OVS_READ_DEV_OP:
2047 return OvsGetVportDumpNext(usrParamsCtx, replyLen);
2049 case OVS_TRANSACTION_DEV_OP:
2050 return OvsGetVport(usrParamsCtx, replyLen);
2053 return STATUS_INVALID_DEVICE_REQUEST;
2059 OvsComputeVportNo(POVS_SWITCH_CONTEXT switchContext)
2061 /* we are not allowed to create the port OVS_DPPORT_NUMBER_LOCAL */
2062 for (ULONG i = OVS_DPPORT_NUMBER_LOCAL + 1; i < MAXUINT16; ++i) {
2063 POVS_VPORT_ENTRY vport;
2065 vport = OvsFindVportByPortNo(switchContext, i);
2071 return OVS_DPPORT_NUMBER_INVALID;
2075 * --------------------------------------------------------------------------
2076 * Command Handler for 'OVS_VPORT_CMD_NEW'.
2077 * --------------------------------------------------------------------------
2080 OvsNewVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2083 NDIS_STATUS status = STATUS_SUCCESS;
2084 LOCK_STATE_EX lockState;
2086 NL_ERROR nlError = NL_ERROR_SUCCESS;
2087 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2088 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2089 POVS_VPORT_ENTRY vport = NULL;
2093 BOOLEAN isBridgeInternal = FALSE;
2094 BOOLEAN vportAllocated = FALSE, vportInitialized = FALSE;
2095 BOOLEAN addInternalPortAsNetdev = FALSE;
2097 static const NL_POLICY ovsVportPolicy[] = {
2098 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2099 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE },
2100 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2102 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2103 .optional = FALSE },
2104 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2107 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2109 /* input buffer has been validated while validating write dev op. */
2110 ASSERT(usrParamsCtx->inputBuffer != NULL);
2112 /* Output buffer has been validated while validating transact dev op. */
2113 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2115 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2116 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2117 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2118 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2119 return STATUS_INVALID_PARAMETER;
2122 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2123 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2124 portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2126 /* we are expecting null terminated strings to be passed */
2127 ASSERT(portName[portNameLen - 1] == '\0');
2129 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2131 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2133 nlError = NL_ERROR_EXIST;
2137 if (portName && portType == OVS_VPORT_TYPE_NETDEV &&
2138 !strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) {
2139 addInternalPortAsNetdev = TRUE;
2142 if (portName && portType == OVS_VPORT_TYPE_INTERNAL &&
2143 strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) {
2144 isBridgeInternal = TRUE;
2147 if (portType == OVS_VPORT_TYPE_INTERNAL && !isBridgeInternal) {
2148 vport = gOvsSwitchContext->internalVport;
2149 } else if (portType == OVS_VPORT_TYPE_NETDEV) {
2150 /* External ports can also be looked up like VIF ports. */
2151 vport = OvsFindVportByHvNameA(gOvsSwitchContext, portName);
2153 ASSERT(OvsIsTunnelVportType(portType) ||
2154 (portType == OVS_VPORT_TYPE_INTERNAL && isBridgeInternal));
2156 vport = (POVS_VPORT_ENTRY)OvsAllocateVport();
2157 if (vport == NULL) {
2158 nlError = NL_ERROR_NOMEM;
2161 vportAllocated = TRUE;
2163 if (OvsIsTunnelVportType(portType)) {
2164 UINT16 transportPortDest = 0;
2167 case OVS_VPORT_TYPE_VXLAN:
2168 transportPortDest = VXLAN_UDP_PORT;
2170 case OVS_VPORT_TYPE_STT:
2171 transportPortDest = STT_TCP_PORT;
2177 PNL_ATTR attr = NlAttrFindNested(vportAttrs[OVS_VPORT_ATTR_OPTIONS],
2178 OVS_TUNNEL_ATTR_DST_PORT);
2180 transportPortDest = NlAttrGetU16(attr);
2183 status = OvsInitTunnelVport(usrParamsCtx,
2188 nlError = NlMapStatusToNlErr(status);
2190 OvsInitBridgeInternalVport(vport);
2193 vportInitialized = TRUE;
2195 if (nlError == NL_ERROR_SUCCESS) {
2196 vport->ovsState = OVS_STATE_CONNECTED;
2197 vport->nicState = NdisSwitchNicStateConnected;
2200 * Allow the vport to be deleted, because there is no
2201 * corresponding hyper-v switch part.
2203 vport->isAbsentOnHv = TRUE;
2210 nlError = NL_ERROR_INVAL;
2213 if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) {
2214 nlError = NL_ERROR_EXIST;
2218 /* Initialize the vport with OVS specific properties. */
2219 if (addInternalPortAsNetdev != TRUE) {
2220 vport->ovsType = portType;
2222 if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2224 * XXX: when we implement the limit for ovs port number to be
2225 * MAXUINT16, we'll need to check the port number received from the
2228 vport->portNo = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
2230 vport->portNo = OvsComputeVportNo(gOvsSwitchContext);
2231 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
2232 nlError = NL_ERROR_NOMEM;
2237 /* The ovs port name must be uninitialized. */
2238 ASSERT(vport->ovsName[0] == '\0');
2239 ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH);
2241 RtlCopyMemory(vport->ovsName, portName, portNameLen);
2242 /* if we don't have options, then vport->portOptions will be NULL */
2243 vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS];
2246 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2247 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2248 * it means we have an array of pids, instead of a single pid.
2249 * ATM we assume we have one pid only.
2251 vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2253 status = InitOvsVportCommon(gOvsSwitchContext, vport);
2254 ASSERT(status == STATUS_SUCCESS);
2256 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2257 usrParamsCtx->outputLength,
2258 gOvsSwitchContext->dpNo);
2260 *replyLen = msgOut->nlMsg.nlmsgLen;
2263 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2265 if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) {
2266 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2267 usrParamsCtx->outputBuffer;
2269 if (vport && vportAllocated == TRUE) {
2270 if (vportInitialized == TRUE) {
2271 if (OvsIsTunnelVportType(portType)) {
2272 switch (vport->ovsType) {
2273 case OVS_VPORT_TYPE_VXLAN:
2274 OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL);
2276 case OVS_VPORT_TYPE_STT:
2277 OvsCleanupSttTunnel(vport);
2280 ASSERT(!"Invalid tunnel port type");
2284 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
2287 NlBuildErrorMsg(msgIn, msgError, nlError);
2288 *replyLen = msgError->nlMsg.nlmsgLen;
2291 return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS;
2296 * --------------------------------------------------------------------------
2297 * Command Handler for 'OVS_VPORT_CMD_SET'.
2298 * --------------------------------------------------------------------------
2301 OvsSetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2304 NDIS_STATUS status = STATUS_SUCCESS;
2305 LOCK_STATE_EX lockState;
2307 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2308 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2309 POVS_VPORT_ENTRY vport = NULL;
2310 NL_ERROR nlError = NL_ERROR_SUCCESS;
2312 static const NL_POLICY ovsVportPolicy[] = {
2313 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2314 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = TRUE },
2315 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2317 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2319 [OVS_VPORT_ATTR_STATS] = { .type = NL_A_UNSPEC,
2320 .minLen = sizeof(OVS_VPORT_FULL_STATS),
2321 .maxLen = sizeof(OVS_VPORT_FULL_STATS),
2323 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2325 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2327 ASSERT(usrParamsCtx->inputBuffer != NULL);
2329 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2330 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2331 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2332 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2333 return STATUS_INVALID_PARAMETER;
2336 /* Output buffer has been validated while validating transact dev op. */
2337 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2339 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2340 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
2341 PSTR portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2343 UINT32 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2345 /* the port name is expected to be null-terminated */
2346 ASSERT(portName[portNameLen - 1] == '\0');
2348 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2349 } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2350 vport = OvsFindVportByPortNo(gOvsSwitchContext,
2351 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]));
2355 nlError = NL_ERROR_NODEV;
2360 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2361 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2362 * it means we have an array of pids, instead of a single pid.
2363 * Currently, we support only one pid.
2365 if (vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]) {
2366 vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2369 if (vportAttrs[OVS_VPORT_ATTR_TYPE]) {
2370 OVS_VPORT_TYPE type = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2371 if (type != vport->ovsType) {
2372 nlError = NL_ERROR_INVAL;
2377 if (vportAttrs[OVS_VPORT_ATTR_OPTIONS]) {
2378 OVS_LOG_ERROR("Vport options not supported");
2379 nlError = NL_ERROR_NOTSUPP;
2383 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2384 usrParamsCtx->outputLength,
2385 gOvsSwitchContext->dpNo);
2387 *replyLen = msgOut->nlMsg.nlmsgLen;
2390 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2392 if (nlError != NL_ERROR_SUCCESS) {
2393 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2394 usrParamsCtx->outputBuffer;
2396 NlBuildErrorMsg(msgIn, msgError, nlError);
2397 *replyLen = msgError->nlMsg.nlmsgLen;
2400 return STATUS_SUCCESS;
2404 * --------------------------------------------------------------------------
2405 * Command Handler for 'OVS_VPORT_CMD_DEL'.
2406 * --------------------------------------------------------------------------
2409 OvsDeleteVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx,
2412 NDIS_STATUS status = STATUS_SUCCESS;
2413 LOCK_STATE_EX lockState;
2415 POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer;
2416 POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer;
2417 POVS_VPORT_ENTRY vport = NULL;
2418 NL_ERROR nlError = NL_ERROR_SUCCESS;
2419 PSTR portName = NULL;
2420 UINT32 portNameLen = 0;
2422 static const NL_POLICY ovsVportPolicy[] = {
2423 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2424 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2427 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2429 ASSERT(usrParamsCtx->inputBuffer != NULL);
2431 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2432 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2433 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2434 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2435 return STATUS_INVALID_PARAMETER;
2438 /* Output buffer has been validated while validating transact dev op. */
2439 ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut);
2441 NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0);
2442 if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) {
2443 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2444 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2446 /* the port name is expected to be null-terminated */
2447 ASSERT(portName[portNameLen - 1] == '\0');
2449 vport = OvsFindVportByOvsName(gOvsSwitchContext, portName);
2451 else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2452 vport = OvsFindVportByPortNo(gOvsSwitchContext,
2453 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]));
2457 nlError = NL_ERROR_NODEV;
2461 status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer,
2462 usrParamsCtx->outputLength,
2463 gOvsSwitchContext->dpNo);
2465 *replyLen = msgOut->nlMsg.nlmsgLen;
2468 * Mark the port as deleted from OVS userspace. If the port does not exist
2469 * on the Hyper-V switch, it gets deallocated. Otherwise, it stays.
2471 status = OvsRemoveAndDeleteVport(usrParamsCtx,
2477 nlError = NlMapStatusToNlErr(status);
2481 NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState);
2483 if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) {
2484 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)
2485 usrParamsCtx->outputBuffer;
2487 NlBuildErrorMsg(msgIn, msgError, nlError);
2488 *replyLen = msgError->nlMsg.nlmsgLen;
2491 return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS;
2495 OvsTunnelVportPendingRemove(PVOID context,
2499 POVS_TUNFLT_INIT_CONTEXT tunnelContext =
2500 (POVS_TUNFLT_INIT_CONTEXT) context;
2501 POVS_SWITCH_CONTEXT switchContext = tunnelContext->switchContext;
2502 POVS_VPORT_ENTRY vport = tunnelContext->vport;
2503 POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer;
2504 POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer;
2505 NL_ERROR nlError = NlMapStatusToNlErr(status);
2506 LOCK_STATE_EX lockState;
2508 NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0);
2510 if (msgIn && msgOut) {
2511 /* Check the received status to reply to the caller. */
2512 if (STATUS_SUCCESS == status) {
2513 OvsCreateMsgFromVport(vport,
2516 tunnelContext->outputLength,
2517 switchContext->dpNo);
2519 *replyLen = msgOut->nlMsg.nlmsgLen;
2521 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)msgOut;
2523 NlBuildErrorMsg(msgIn, msgError, nlError);
2524 *replyLen = msgError->nlMsg.nlmsgLen;
2528 ASSERT(vport->isAbsentOnHv == TRUE);
2529 ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID);
2531 /* Remove the port from the relevant lists. */
2532 switchContext->numNonHvVports--;
2533 RemoveEntryList(&vport->ovsNameLink);
2534 RemoveEntryList(&vport->portNoLink);
2535 RemoveEntryList(&vport->tunnelVportLink);
2538 OvsFreeMemoryWithTag(vport->priv, OVS_VXLAN_POOL_TAG);
2542 OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG);
2544 NdisReleaseRWLock(switchContext->dispatchLock, &lockState);
2548 OvsTunnelVportPendingInit(PVOID context,
2552 POVS_TUNFLT_INIT_CONTEXT tunnelContext =
2553 (POVS_TUNFLT_INIT_CONTEXT) context;
2554 POVS_VPORT_ENTRY vport = tunnelContext->vport;
2555 POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer;
2556 POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer;
2558 ULONG portNameLen = 0;
2559 UINT32 portType = 0;
2560 NL_ERROR nlError = NL_ERROR_SUCCESS;
2561 BOOLEAN error = TRUE;
2564 if (!NT_SUCCESS(status)) {
2565 nlError = NlMapStatusToNlErr(status);
2569 static const NL_POLICY ovsVportPolicy[] = {
2570 [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE },
2571 [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE },
2572 [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ,
2573 .optional = FALSE },
2574 [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC,
2575 .optional = FALSE },
2576 [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE },
2579 PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)];
2581 /* input buffer has been validated while validating write dev op. */
2582 ASSERT(msgIn != NULL);
2584 /* Output buffer has been validated while validating transact dev op. */
2585 ASSERT(msgOut != NULL && tunnelContext->outputLength >= sizeof *msgOut);
2587 if (!NlAttrParse((PNL_MSG_HDR)msgIn,
2588 NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN,
2589 NlMsgAttrsLen((PNL_MSG_HDR)msgIn),
2590 ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) {
2591 nlError = NL_ERROR_INVAL;
2595 portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]);
2596 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]);
2597 portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]);
2599 if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) {
2600 nlError = NL_ERROR_EXIST;
2604 vport->ovsState = OVS_STATE_CONNECTED;
2605 vport->nicState = NdisSwitchNicStateConnected;
2608 * Allow the vport to be deleted, because there is no
2609 * corresponding hyper-v switch part.
2611 vport->isAbsentOnHv = TRUE;
2613 if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) {
2615 * XXX: when we implement the limit for OVS port number to be
2616 * MAXUINT16, we'll need to check the port number received from the
2620 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]);
2623 OvsComputeVportNo(gOvsSwitchContext);
2624 if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) {
2625 nlError = NL_ERROR_NOMEM;
2630 /* The ovs port name must be uninitialized. */
2631 ASSERT(vport->ovsName[0] == '\0');
2632 ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH);
2634 RtlCopyMemory(vport->ovsName, portName, portNameLen);
2635 /* if we don't have options, then vport->portOptions will be NULL */
2636 vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS];
2639 * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath,
2640 * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set,
2641 * it means we have an array of pids, instead of a single pid.
2642 * ATM we assume we have one pid only.
2645 NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]);
2647 status = InitOvsVportCommon(gOvsSwitchContext, vport);
2648 ASSERT(status == STATUS_SUCCESS);
2650 OvsCreateMsgFromVport(vport,
2653 tunnelContext->outputLength,
2654 gOvsSwitchContext->dpNo);
2656 *replyLen = msgOut->nlMsg.nlmsgLen;
2662 POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) msgOut;
2664 OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL);
2665 OvsFreeMemory(vport);
2667 NlBuildErrorMsg(msgIn, msgError, nlError);
2668 *replyLen = msgError->nlMsg.nlmsgLen;