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1 | /* | |
2 | * Copyright (c) 2014 VMware, Inc. | |
3 | * | |
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: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
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. | |
15 | */ | |
16 | ||
17 | #include "precomp.h" | |
18 | #include "Jhash.h" | |
19 | #include "Switch.h" | |
20 | #include "Vport.h" | |
21 | #include "Event.h" | |
22 | #include "User.h" | |
23 | #include "Vxlan.h" | |
24 | #include "Stt.h" | |
25 | #include "IpHelper.h" | |
26 | #include "Oid.h" | |
27 | #include "Datapath.h" | |
28 | ||
29 | #ifdef OVS_DBG_MOD | |
30 | #undef OVS_DBG_MOD | |
31 | #endif | |
32 | #define OVS_DBG_MOD OVS_DBG_VPORT | |
33 | #include "Debug.h" | |
34 | ||
35 | #define VPORT_NIC_ENTER(_nic) \ | |
36 | OVS_LOG_TRACE("Enter: PortId: %x, NicIndex: %d", _nic->PortId, \ | |
37 | _nic->NicIndex) | |
38 | ||
39 | #define VPORT_NIC_EXIT(_nic) \ | |
40 | OVS_LOG_TRACE("Exit: PortId: %x, NicIndex: %d", _nic->PortId, \ | |
41 | _nic->NicIndex) | |
42 | ||
43 | #define VPORT_PORT_ENTER(_port) \ | |
44 | OVS_LOG_TRACE("Enter: PortId: %x", _port->PortId) | |
45 | ||
46 | #define VPORT_PORT_EXIT(_port) \ | |
47 | OVS_LOG_TRACE("Exit: PortId: %x", _port->PortId) | |
48 | ||
49 | #define OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC 100 | |
50 | ||
51 | /* Context structure used to pass back and forth information to the tunnel | |
52 | * filter threads. */ | |
53 | typedef struct _OVS_TUNFLT_INIT_CONTEXT { | |
54 | POVS_SWITCH_CONTEXT switchContext; | |
55 | UINT32 outputLength; | |
56 | PVOID outputBuffer; | |
57 | PVOID inputBuffer; | |
58 | POVS_VPORT_ENTRY vport; | |
59 | BOOLEAN hvSwitchPort; | |
60 | BOOLEAN hvDelete; | |
61 | BOOLEAN ovsDelete; | |
62 | } OVS_TUNFLT_INIT_CONTEXT, *POVS_TUNFLT_INIT_CONTEXT; | |
63 | ||
64 | ||
65 | extern POVS_SWITCH_CONTEXT gOvsSwitchContext; | |
66 | ||
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, | |
74 | ULONG sleepMicroSec); | |
75 | static NTSTATUS OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet, | |
76 | POVS_VPORT_EXT_INFO extInfo); | |
77 | static NTSTATUS CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info, | |
78 | POVS_MESSAGE msgIn, | |
79 | PVOID outBuffer, | |
80 | UINT32 outBufLen, | |
81 | int dpIfIndex); | |
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, | |
86 | BOOLEAN newPort); | |
87 | static VOID OvsCleanupVportCommon(POVS_SWITCH_CONTEXT switchContext, | |
88 | POVS_VPORT_ENTRY vport, | |
89 | BOOLEAN hvSwitchPort, | |
90 | BOOLEAN hvDelete, | |
91 | BOOLEAN ovsDelete); | |
92 | static VOID OvsTunnelVportPendingInit(PVOID context, | |
93 | NTSTATUS status, | |
94 | UINT32 *replyLen); | |
95 | static VOID OvsTunnelVportPendingUninit(PVOID context, | |
96 | NTSTATUS status, | |
97 | UINT32 *replyLen); | |
98 | ||
99 | ||
100 | /* | |
101 | * Functions implemented in relaton to NDIS port manipulation. | |
102 | */ | |
103 | NDIS_STATUS | |
104 | HvCreatePort(POVS_SWITCH_CONTEXT switchContext, | |
105 | PNDIS_SWITCH_PORT_PARAMETERS portParam) | |
106 | { | |
107 | POVS_VPORT_ENTRY vport; | |
108 | LOCK_STATE_EX lockState; | |
109 | NDIS_STATUS status = NDIS_STATUS_SUCCESS; | |
110 | BOOLEAN newPort = FALSE; | |
111 | ||
112 | VPORT_PORT_ENTER(portParam); | |
113 | ||
114 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
115 | /* Lookup by port ID. */ | |
116 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
117 | portParam->PortId, 0); | |
118 | if (vport != NULL) { | |
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; | |
123 | } | |
124 | ||
125 | /* | |
126 | * Lookup by port name to see if this port with this name had been added | |
127 | * (and deleted) previously. | |
128 | */ | |
129 | vport = OvsFindVportByHvNameW(gOvsSwitchContext, | |
130 | portParam->PortFriendlyName.String, | |
131 | portParam->PortFriendlyName.Length); | |
132 | if (vport && vport->isPresentOnHv == FALSE) { | |
133 | OVS_LOG_ERROR("Port add failed since a port already exists on " | |
134 | "the specified port Id: %u, ovsName: %s", | |
135 | portParam->PortId, vport->ovsName); | |
136 | status = STATUS_DATA_NOT_ACCEPTED; | |
137 | goto create_port_done; | |
138 | } | |
139 | ||
140 | if (vport != NULL) { | |
141 | ASSERT(vport->isPresentOnHv); | |
142 | ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID); | |
143 | ||
144 | /* | |
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. | |
148 | */ | |
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; | |
155 | } | |
156 | vport->isPresentOnHv = FALSE; | |
157 | } else { | |
158 | vport = (POVS_VPORT_ENTRY)OvsAllocateVport(); | |
159 | if (vport == NULL) { | |
160 | status = NDIS_STATUS_RESOURCES; | |
161 | goto create_port_done; | |
162 | } | |
163 | newPort = TRUE; | |
164 | } | |
165 | OvsInitVportWithPortParam(vport, portParam); | |
166 | InitHvVportCommon(switchContext, vport, newPort); | |
167 | ||
168 | create_port_done: | |
169 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
170 | VPORT_PORT_EXIT(portParam); | |
171 | return status; | |
172 | } | |
173 | ||
174 | ||
175 | /* | |
176 | * Function updating the port properties | |
177 | */ | |
178 | NDIS_STATUS | |
179 | HvUpdatePort(POVS_SWITCH_CONTEXT switchContext, | |
180 | PNDIS_SWITCH_PORT_PARAMETERS portParam) | |
181 | { | |
182 | POVS_VPORT_ENTRY vport; | |
183 | LOCK_STATE_EX lockState; | |
184 | OVS_VPORT_STATE ovsState; | |
185 | NDIS_SWITCH_NIC_STATE nicState; | |
186 | ||
187 | VPORT_PORT_ENTER(portParam); | |
188 | ||
189 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
190 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
191 | portParam->PortId, 0); | |
192 | /* | |
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 | |
195 | */ | |
196 | if (vport == NULL || (( vport->portType != NdisSwitchPortTypeSynthetic) && | |
197 | ( vport->portType != NdisSwitchPortTypeEmulated))) { | |
198 | goto update_port_done; | |
199 | } | |
200 | ||
201 | /* Store the nic and the OVS states as Nic Create won't be called */ | |
202 | ovsState = vport->ovsState; | |
203 | nicState = vport->nicState; | |
204 | ||
205 | /* | |
206 | * Currently only the port friendly name is being updated | |
207 | * Make sure that no other properties are changed | |
208 | */ | |
209 | ASSERT(portParam->PortId == vport->portId); | |
210 | ASSERT(portParam->PortState == vport->portState); | |
211 | ASSERT(portParam->PortType == vport->portType); | |
212 | ||
213 | /* | |
214 | * Call the set parameters function the handle all properties | |
215 | * change in a single place in case future version supports change of | |
216 | * other properties | |
217 | */ | |
218 | OvsInitVportWithPortParam(vport, portParam); | |
219 | /* Retore the nic and OVS states */ | |
220 | vport->nicState = nicState; | |
221 | vport->ovsState = ovsState; | |
222 | ||
223 | update_port_done: | |
224 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
225 | VPORT_PORT_EXIT(portParam); | |
226 | ||
227 | /* Must always return success */ | |
228 | return NDIS_STATUS_SUCCESS; | |
229 | } | |
230 | ||
231 | VOID | |
232 | HvTeardownPort(POVS_SWITCH_CONTEXT switchContext, | |
233 | PNDIS_SWITCH_PORT_PARAMETERS portParam) | |
234 | { | |
235 | POVS_VPORT_ENTRY vport; | |
236 | LOCK_STATE_EX lockState; | |
237 | ||
238 | VPORT_PORT_ENTER(portParam); | |
239 | ||
240 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
241 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
242 | portParam->PortId, 0); | |
243 | if (vport) { | |
244 | /* add assertion here */ | |
245 | vport->portState = NdisSwitchPortStateTeardown; | |
246 | vport->ovsState = OVS_STATE_PORT_TEAR_DOWN; | |
247 | } else { | |
248 | OVS_LOG_WARN("Vport not present."); | |
249 | } | |
250 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
251 | ||
252 | VPORT_PORT_EXIT(portParam); | |
253 | } | |
254 | ||
255 | ||
256 | VOID | |
257 | HvDeletePort(POVS_SWITCH_CONTEXT switchContext, | |
258 | PNDIS_SWITCH_PORT_PARAMETERS portParams) | |
259 | { | |
260 | POVS_VPORT_ENTRY vport; | |
261 | LOCK_STATE_EX lockState; | |
262 | ||
263 | VPORT_PORT_ENTER(portParams); | |
264 | ||
265 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
266 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
267 | portParams->PortId, 0); | |
268 | ||
269 | /* | |
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. | |
274 | */ | |
275 | if (vport) { | |
276 | OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, FALSE); | |
277 | } else { | |
278 | OVS_LOG_WARN("Vport not present."); | |
279 | } | |
280 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
281 | ||
282 | VPORT_PORT_EXIT(portParams); | |
283 | } | |
284 | ||
285 | ||
286 | /* | |
287 | * Functions implemented in relaton to NDIS NIC manipulation. | |
288 | */ | |
289 | NDIS_STATUS | |
290 | HvCreateNic(POVS_SWITCH_CONTEXT switchContext, | |
291 | PNDIS_SWITCH_NIC_PARAMETERS nicParam) | |
292 | { | |
293 | POVS_VPORT_ENTRY vport; | |
294 | UINT32 portNo = 0; | |
295 | UINT32 event = 0; | |
296 | NDIS_STATUS status = NDIS_STATUS_SUCCESS; | |
297 | ||
298 | LOCK_STATE_EX lockState; | |
299 | ||
300 | VPORT_NIC_ENTER(nicParam); | |
301 | ||
302 | /* Wait for lists to be initialized. */ | |
303 | OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC); | |
304 | ||
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; | |
309 | goto done; | |
310 | } | |
311 | ||
312 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
313 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, nicParam->PortId, 0); | |
314 | if (vport == NULL) { | |
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; | |
319 | goto add_nic_done; | |
320 | } | |
321 | ||
322 | if (nicParam->NicType == NdisSwitchNicTypeExternal && | |
323 | nicParam->NicIndex != 0) { | |
324 | POVS_VPORT_ENTRY virtExtVport = | |
325 | (POVS_VPORT_ENTRY)switchContext->virtualExternalVport; | |
326 | ||
327 | vport = (POVS_VPORT_ENTRY)OvsAllocateVport(); | |
328 | if (vport == NULL) { | |
329 | status = NDIS_STATUS_RESOURCES; | |
330 | goto add_nic_done; | |
331 | } | |
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); | |
336 | goto add_nic_done; | |
337 | } | |
338 | } | |
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; | |
345 | } | |
346 | ||
347 | add_nic_done: | |
348 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
349 | if (portNo != OVS_DPPORT_NUMBER_INVALID && event) { | |
350 | OvsPostEvent(portNo, event); | |
351 | } | |
352 | ||
353 | done: | |
354 | VPORT_NIC_EXIT(nicParam); | |
355 | OVS_LOG_TRACE("Exit: status %8x.\n", status); | |
356 | ||
357 | return status; | |
358 | } | |
359 | ||
360 | ||
361 | /* Mark already created NIC as connected. */ | |
362 | VOID | |
363 | HvConnectNic(POVS_SWITCH_CONTEXT switchContext, | |
364 | PNDIS_SWITCH_NIC_PARAMETERS nicParam) | |
365 | { | |
366 | LOCK_STATE_EX lockState; | |
367 | POVS_VPORT_ENTRY vport; | |
368 | UINT32 portNo = 0; | |
369 | ||
370 | VPORT_NIC_ENTER(nicParam); | |
371 | ||
372 | /* Wait for lists to be initialized. */ | |
373 | OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC); | |
374 | ||
375 | if (!switchContext->isActivated) { | |
376 | OVS_LOG_WARN("Switch is not activated yet."); | |
377 | goto done; | |
378 | } | |
379 | ||
380 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
381 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
382 | nicParam->PortId, | |
383 | nicParam->NicIndex); | |
384 | ||
385 | if (!vport) { | |
386 | OVS_LOG_WARN("Vport not present."); | |
387 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
388 | ASSERT(0); | |
389 | goto done; | |
390 | } | |
391 | ||
392 | vport->ovsState = OVS_STATE_CONNECTED; | |
393 | vport->nicState = NdisSwitchNicStateConnected; | |
394 | portNo = vport->portNo; | |
395 | ||
396 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
397 | ||
398 | /* XXX only if portNo != INVALID or always? */ | |
399 | OvsPostEvent(portNo, OVS_EVENT_LINK_UP); | |
400 | ||
401 | if (nicParam->NicType == NdisSwitchNicTypeInternal) { | |
402 | OvsInternalAdapterUp(portNo, &nicParam->NetCfgInstanceId); | |
403 | } | |
404 | ||
405 | done: | |
406 | VPORT_NIC_EXIT(nicParam); | |
407 | } | |
408 | ||
409 | VOID | |
410 | HvUpdateNic(POVS_SWITCH_CONTEXT switchContext, | |
411 | PNDIS_SWITCH_NIC_PARAMETERS nicParam) | |
412 | { | |
413 | POVS_VPORT_ENTRY vport; | |
414 | LOCK_STATE_EX lockState; | |
415 | ||
416 | UINT32 status = 0, portNo = 0; | |
417 | ||
418 | VPORT_NIC_ENTER(nicParam); | |
419 | ||
420 | /* Wait for lists to be initialized. */ | |
421 | OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC); | |
422 | ||
423 | if (!switchContext->isActivated) { | |
424 | OVS_LOG_WARN("Switch is not activated yet."); | |
425 | goto update_nic_done; | |
426 | } | |
427 | ||
428 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
429 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
430 | nicParam->PortId, | |
431 | nicParam->NicIndex); | |
432 | if (vport == NULL) { | |
433 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
434 | OVS_LOG_WARN("Vport search failed."); | |
435 | goto update_nic_done; | |
436 | } | |
437 | switch (nicParam->NicType) { | |
438 | case NdisSwitchNicTypeExternal: | |
439 | case NdisSwitchNicTypeInternal: | |
440 | RtlCopyMemory(&vport->netCfgInstanceId, &nicParam->NetCfgInstanceId, | |
441 | sizeof (GUID)); | |
442 | break; | |
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)); | |
450 | } | |
451 | break; | |
452 | default: | |
453 | ASSERT(0); | |
454 | } | |
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; | |
460 | } | |
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; | |
466 | } | |
467 | ||
468 | if (vport->mtu != nicParam->MTU) { | |
469 | vport->mtu = nicParam->MTU; | |
470 | status |= OVS_EVENT_MTU_CHANGE; | |
471 | } | |
472 | vport->numaNodeId = nicParam->NumaNodeId; | |
473 | portNo = vport->portNo; | |
474 | ||
475 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
476 | if (status && portNo) { | |
477 | OvsPostEvent(portNo, status); | |
478 | } | |
479 | update_nic_done: | |
480 | VPORT_NIC_EXIT(nicParam); | |
481 | } | |
482 | ||
483 | ||
484 | VOID | |
485 | HvDisconnectNic(POVS_SWITCH_CONTEXT switchContext, | |
486 | PNDIS_SWITCH_NIC_PARAMETERS nicParam) | |
487 | { | |
488 | POVS_VPORT_ENTRY vport; | |
489 | UINT32 portNo = 0; | |
490 | LOCK_STATE_EX lockState; | |
491 | BOOLEAN isInternalPort = FALSE; | |
492 | ||
493 | VPORT_NIC_ENTER(nicParam); | |
494 | ||
495 | /* Wait for lists to be initialized. */ | |
496 | OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC); | |
497 | ||
498 | if (!switchContext->isActivated) { | |
499 | OVS_LOG_WARN("Switch is not activated yet."); | |
500 | goto done; | |
501 | } | |
502 | ||
503 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
504 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
505 | nicParam->PortId, | |
506 | nicParam->NicIndex); | |
507 | ||
508 | if (!vport) { | |
509 | OVS_LOG_WARN("Vport not present."); | |
510 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
511 | goto done; | |
512 | } | |
513 | ||
514 | vport->nicState = NdisSwitchNicStateDisconnected; | |
515 | vport->ovsState = OVS_STATE_NIC_CREATED; | |
516 | portNo = vport->portNo; | |
517 | ||
518 | if (vport->ovsType == OVS_VPORT_TYPE_INTERNAL) { | |
519 | isInternalPort = TRUE; | |
520 | } | |
521 | ||
522 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
523 | ||
524 | /* XXX if portNo != INVALID or always? */ | |
525 | OvsPostEvent(portNo, OVS_EVENT_LINK_DOWN); | |
526 | ||
527 | if (isInternalPort) { | |
528 | OvsInternalAdapterDown(); | |
529 | } | |
530 | ||
531 | done: | |
532 | VPORT_NIC_EXIT(nicParam); | |
533 | } | |
534 | ||
535 | ||
536 | VOID | |
537 | HvDeleteNic(POVS_SWITCH_CONTEXT switchContext, | |
538 | PNDIS_SWITCH_NIC_PARAMETERS nicParam) | |
539 | { | |
540 | LOCK_STATE_EX lockState; | |
541 | POVS_VPORT_ENTRY vport; | |
542 | UINT32 portNo = 0; | |
543 | ||
544 | VPORT_NIC_ENTER(nicParam); | |
545 | /* Wait for lists to be initialized. */ | |
546 | OvsWaitActivate(switchContext, OVS_VPORT_DEFAULT_WAIT_TIME_MICROSEC); | |
547 | ||
548 | if (!switchContext->isActivated) { | |
549 | OVS_LOG_WARN("Switch is not activated yet."); | |
550 | goto done; | |
551 | } | |
552 | ||
553 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
554 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
555 | nicParam->PortId, | |
556 | nicParam->NicIndex); | |
557 | ||
558 | if (!vport) { | |
559 | OVS_LOG_WARN("Vport not present."); | |
560 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
561 | goto done; | |
562 | } | |
563 | ||
564 | vport->nicState = NdisSwitchNicStateUnknown; | |
565 | vport->ovsState = OVS_STATE_PORT_CREATED; | |
566 | ||
567 | portNo = vport->portNo; | |
568 | if (vport->portType == NdisSwitchPortTypeExternal && | |
569 | vport->nicIndex != 0) { | |
570 | OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, FALSE); | |
571 | } | |
572 | ||
573 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
574 | /* XXX if portNo != INVALID or always? */ | |
575 | OvsPostEvent(portNo, OVS_EVENT_DISCONNECT); | |
576 | ||
577 | done: | |
578 | VPORT_NIC_EXIT(nicParam); | |
579 | } | |
580 | ||
581 | ||
582 | /* | |
583 | * OVS Vport related functionality. | |
584 | */ | |
585 | POVS_VPORT_ENTRY | |
586 | OvsFindVportByPortNo(POVS_SWITCH_CONTEXT switchContext, | |
587 | UINT32 portNo) | |
588 | { | |
589 | POVS_VPORT_ENTRY vport; | |
590 | PLIST_ENTRY head, link; | |
591 | UINT32 hash = OvsJhashBytes((const VOID *)&portNo, sizeof(portNo), | |
592 | OVS_HASH_BASIS); | |
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) { | |
597 | return vport; | |
598 | } | |
599 | } | |
600 | return NULL; | |
601 | } | |
602 | ||
603 | ||
604 | POVS_VPORT_ENTRY | |
605 | OvsFindTunnelVportByDstPort(POVS_SWITCH_CONTEXT switchContext, | |
606 | UINT16 dstPort, | |
607 | OVS_VPORT_TYPE ovsPortType) | |
608 | { | |
609 | POVS_VPORT_ENTRY vport; | |
610 | PLIST_ENTRY head, link; | |
611 | UINT32 hash = OvsJhashBytes((const VOID *)&dstPort, sizeof(dstPort), | |
612 | OVS_HASH_BASIS); | |
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) { | |
618 | return vport; | |
619 | } | |
620 | } | |
621 | return NULL; | |
622 | } | |
623 | ||
624 | ||
625 | POVS_VPORT_ENTRY | |
626 | OvsFindVportByOvsName(POVS_SWITCH_CONTEXT switchContext, | |
627 | PSTR name) | |
628 | { | |
629 | POVS_VPORT_ENTRY vport; | |
630 | PLIST_ENTRY head, link; | |
631 | UINT32 hash; | |
632 | SIZE_T length = strlen(name) + 1; | |
633 | ||
634 | hash = OvsJhashBytes((const VOID *)name, length, OVS_HASH_BASIS); | |
635 | head = &(switchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK]); | |
636 | ||
637 | LIST_FORALL(head, link) { | |
638 | vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, ovsNameLink); | |
639 | if (!strcmp(name, vport->ovsName)) { | |
640 | return vport; | |
641 | } | |
642 | } | |
643 | ||
644 | return NULL; | |
645 | } | |
646 | ||
647 | /* OvsFindVportByHvName: "name" is assumed to be null-terminated */ | |
648 | POVS_VPORT_ENTRY | |
649 | OvsFindVportByHvNameW(POVS_SWITCH_CONTEXT switchContext, | |
650 | PWSTR wsName, SIZE_T wstrSize) | |
651 | { | |
652 | POVS_VPORT_ENTRY vport = NULL; | |
653 | PLIST_ENTRY head, link; | |
654 | UINT i; | |
655 | ||
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); | |
660 | ||
661 | /* | |
662 | * NOTE about portFriendlyName: | |
663 | * If the string is NULL-terminated, the Length member does not | |
664 | * include the terminating NULL character. | |
665 | */ | |
666 | if (vport->portFriendlyName.Length == wstrSize && | |
667 | RtlEqualMemory(wsName, vport->portFriendlyName.String, | |
668 | vport->portFriendlyName.Length)) { | |
669 | goto Cleanup; | |
670 | } | |
671 | ||
672 | vport = NULL; | |
673 | } | |
674 | } | |
675 | ||
676 | /* | |
677 | * Look in the list of ports that were added from the Hyper-V switch and | |
678 | * deleted. | |
679 | */ | |
680 | if (vport == NULL) { | |
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)) { | |
688 | goto Cleanup; | |
689 | } | |
690 | ||
691 | vport = NULL; | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
696 | Cleanup: | |
697 | return vport; | |
698 | } | |
699 | ||
700 | POVS_VPORT_ENTRY | |
701 | OvsFindVportByHvNameA(POVS_SWITCH_CONTEXT switchContext, | |
702 | PSTR name) | |
703 | { | |
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); | |
708 | UINT i; | |
709 | ||
710 | PWSTR wsName = OvsAllocateMemoryWithTag(wstrSize, OVS_VPORT_POOL_TAG); | |
711 | if (!wsName) { | |
712 | return NULL; | |
713 | } | |
714 | for (i = 0; i < length; i++) { | |
715 | wsName[i] = name[i]; | |
716 | } | |
717 | vport = OvsFindVportByHvNameW(switchContext, wsName, wstrSize); | |
718 | OvsFreeMemoryWithTag(wsName, OVS_VPORT_POOL_TAG); | |
719 | return vport; | |
720 | } | |
721 | ||
722 | POVS_VPORT_ENTRY | |
723 | OvsFindVportByPortIdAndNicIndex(POVS_SWITCH_CONTEXT switchContext, | |
724 | NDIS_SWITCH_PORT_ID portId, | |
725 | NDIS_SWITCH_NIC_INDEX index) | |
726 | { | |
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; | |
735 | } else { | |
736 | PLIST_ENTRY head, link; | |
737 | POVS_VPORT_ENTRY vport; | |
738 | UINT32 hash; | |
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) { | |
744 | return vport; | |
745 | } | |
746 | } | |
747 | return NULL; | |
748 | } | |
749 | } | |
750 | ||
751 | POVS_VPORT_ENTRY | |
752 | OvsAllocateVport(VOID) | |
753 | { | |
754 | POVS_VPORT_ENTRY vport; | |
755 | vport = (POVS_VPORT_ENTRY)OvsAllocateMemoryWithTag( | |
756 | sizeof(OVS_VPORT_ENTRY), OVS_VPORT_POOL_TAG); | |
757 | if (vport == NULL) { | |
758 | return NULL; | |
759 | } | |
760 | RtlZeroMemory(vport, sizeof (OVS_VPORT_ENTRY)); | |
761 | vport->ovsState = OVS_STATE_UNKNOWN; | |
762 | vport->isPresentOnHv = FALSE; | |
763 | vport->portNo = OVS_DPPORT_NUMBER_INVALID; | |
764 | ||
765 | InitializeListHead(&vport->ovsNameLink); | |
766 | InitializeListHead(&vport->portIdLink); | |
767 | InitializeListHead(&vport->portNoLink); | |
768 | ||
769 | return vport; | |
770 | } | |
771 | ||
772 | static VOID | |
773 | OvsInitVportWithPortParam(POVS_VPORT_ENTRY vport, | |
774 | PNDIS_SWITCH_PORT_PARAMETERS portParam) | |
775 | { | |
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; | |
782 | ||
783 | switch (vport->portType) { | |
784 | case NdisSwitchPortTypeExternal: | |
785 | vport->isExternal = TRUE; | |
786 | vport->ovsType = OVS_VPORT_TYPE_NETDEV; | |
787 | break; | |
788 | case NdisSwitchPortTypeInternal: | |
789 | vport->ovsType = OVS_VPORT_TYPE_INTERNAL; | |
790 | break; | |
791 | case NdisSwitchPortTypeSynthetic: | |
792 | case NdisSwitchPortTypeEmulated: | |
793 | vport->ovsType = OVS_VPORT_TYPE_NETDEV; | |
794 | break; | |
795 | } | |
796 | RtlCopyMemory(&vport->hvPortName, &portParam->PortName, | |
797 | sizeof (NDIS_SWITCH_PORT_NAME)); | |
798 | /* For external and internal ports, 'portFriendlyName' is overwritten | |
799 | * later. */ | |
800 | RtlCopyMemory(&vport->portFriendlyName, &portParam->PortFriendlyName, | |
801 | sizeof(NDIS_SWITCH_PORT_FRIENDLYNAME)); | |
802 | ||
803 | switch (vport->portState) { | |
804 | case NdisSwitchPortStateCreated: | |
805 | vport->ovsState = OVS_STATE_PORT_CREATED; | |
806 | break; | |
807 | case NdisSwitchPortStateTeardown: | |
808 | vport->ovsState = OVS_STATE_PORT_TEAR_DOWN; | |
809 | break; | |
810 | case NdisSwitchPortStateDeleted: | |
811 | vport->ovsState = OVS_STATE_PORT_DELETED; | |
812 | break; | |
813 | } | |
814 | } | |
815 | ||
816 | ||
817 | static VOID | |
818 | OvsInitVportWithNicParam(POVS_SWITCH_CONTEXT switchContext, | |
819 | POVS_VPORT_ENTRY vport, | |
820 | PNDIS_SWITCH_NIC_PARAMETERS nicParam) | |
821 | { | |
822 | ASSERT(vport->portId == nicParam->PortId); | |
823 | ASSERT(vport->ovsState == OVS_STATE_PORT_CREATED); | |
824 | ||
825 | UNREFERENCED_PARAMETER(switchContext); | |
826 | ||
827 | RtlCopyMemory(vport->permMacAddress, nicParam->PermanentMacAddress, | |
828 | sizeof (nicParam->PermanentMacAddress)); | |
829 | RtlCopyMemory(vport->currMacAddress, nicParam->CurrentMacAddress, | |
830 | sizeof (nicParam->CurrentMacAddress)); | |
831 | ||
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)); | |
838 | } else { | |
839 | RtlCopyMemory(&vport->netCfgInstanceId, &nicParam->NetCfgInstanceId, | |
840 | sizeof (nicParam->NetCfgInstanceId)); | |
841 | } | |
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; | |
848 | ||
849 | switch (vport->nicState) { | |
850 | case NdisSwitchNicStateCreated: | |
851 | vport->ovsState = OVS_STATE_NIC_CREATED; | |
852 | break; | |
853 | case NdisSwitchNicStateConnected: | |
854 | vport->ovsState = OVS_STATE_CONNECTED; | |
855 | break; | |
856 | case NdisSwitchNicStateDisconnected: | |
857 | vport->ovsState = OVS_STATE_NIC_CREATED; | |
858 | break; | |
859 | case NdisSwitchNicStateDeleted: | |
860 | vport->ovsState = OVS_STATE_PORT_CREATED; | |
861 | break; | |
862 | } | |
863 | } | |
864 | ||
865 | /* | |
866 | * -------------------------------------------------------------------------- | |
867 | * Copies the relevant NDIS port properties from a virtual (pseudo) external | |
868 | * NIC to a physical (real) external NIC. | |
869 | * -------------------------------------------------------------------------- | |
870 | */ | |
871 | static VOID | |
872 | OvsInitPhysNicVport(POVS_VPORT_ENTRY physExtVport, | |
873 | POVS_VPORT_ENTRY virtExtVport, | |
874 | UINT32 physNicIndex) | |
875 | { | |
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; | |
884 | ||
885 | RtlCopyMemory(&physExtVport->hvPortName, &virtExtVport->hvPortName, | |
886 | sizeof (NDIS_SWITCH_PORT_NAME)); | |
887 | ||
888 | /* 'portFriendlyName' is overwritten later. */ | |
889 | RtlCopyMemory(&physExtVport->portFriendlyName, | |
890 | &virtExtVport->portFriendlyName, | |
891 | sizeof(NDIS_SWITCH_PORT_FRIENDLYNAME)); | |
892 | ||
893 | physExtVport->ovsState = OVS_STATE_PORT_CREATED; | |
894 | } | |
895 | ||
896 | /* | |
897 | * -------------------------------------------------------------------------- | |
898 | * Initializes a tunnel vport. | |
899 | * -------------------------------------------------------------------------- | |
900 | */ | |
901 | NTSTATUS | |
902 | OvsInitTunnelVport(PVOID userContext, | |
903 | POVS_VPORT_ENTRY vport, | |
904 | OVS_VPORT_TYPE ovsType, | |
905 | UINT16 dstPort) | |
906 | { | |
907 | NTSTATUS status = STATUS_SUCCESS; | |
908 | POVS_USER_PARAMS_CONTEXT usrParamsCtx = | |
909 | (POVS_USER_PARAMS_CONTEXT)userContext; | |
910 | ||
911 | vport->isBridgeInternal = FALSE; | |
912 | vport->ovsType = ovsType; | |
913 | vport->ovsState = OVS_STATE_PORT_CREATED; | |
914 | switch (ovsType) { | |
915 | case OVS_VPORT_TYPE_GRE: | |
916 | break; | |
917 | case OVS_VPORT_TYPE_GRE64: | |
918 | break; | |
919 | case OVS_VPORT_TYPE_VXLAN: | |
920 | { | |
921 | POVS_TUNFLT_INIT_CONTEXT tunnelContext = NULL; | |
922 | ||
923 | tunnelContext = OvsAllocateMemory(sizeof(*tunnelContext)); | |
924 | if (tunnelContext == NULL) { | |
925 | status = STATUS_INSUFFICIENT_RESOURCES; | |
926 | break; | |
927 | } | |
928 | tunnelContext->inputBuffer = usrParamsCtx->inputBuffer; | |
929 | tunnelContext->outputBuffer = usrParamsCtx->outputBuffer; | |
930 | tunnelContext->outputLength = usrParamsCtx->outputLength; | |
931 | tunnelContext->vport = vport; | |
932 | ||
933 | status = OvsInitVxlanTunnel(usrParamsCtx->irp, | |
934 | vport, | |
935 | dstPort, | |
936 | OvsTunnelVportPendingInit, | |
937 | (PVOID)tunnelContext); | |
938 | break; | |
939 | } | |
940 | case OVS_VPORT_TYPE_STT: | |
941 | status = OvsInitSttTunnel(vport, dstPort); | |
942 | break; | |
943 | default: | |
944 | ASSERT(0); | |
945 | } | |
946 | return status; | |
947 | } | |
948 | ||
949 | /* | |
950 | * -------------------------------------------------------------------------- | |
951 | * Initializes a bridge internal vport ie. a port of type | |
952 | * OVS_VPORT_TYPE_INTERNAL but not present on the Hyper-V switch. | |
953 | * -------------------------------------------------------------------------- | |
954 | */ | |
955 | NTSTATUS | |
956 | OvsInitBridgeInternalVport(POVS_VPORT_ENTRY vport) | |
957 | { | |
958 | vport->isBridgeInternal = TRUE; | |
959 | vport->ovsType = OVS_VPORT_TYPE_INTERNAL; | |
960 | /* Mark the status to be connected, since there is no other initialization | |
961 | * for this port. */ | |
962 | vport->ovsState = OVS_STATE_CONNECTED; | |
963 | return STATUS_SUCCESS; | |
964 | } | |
965 | ||
966 | /* | |
967 | * -------------------------------------------------------------------------- | |
968 | * For external vports 'portFriendlyName' provided by Hyper-V is over-written | |
969 | * by synthetic names. | |
970 | * -------------------------------------------------------------------------- | |
971 | */ | |
972 | static VOID | |
973 | AssignNicNameSpecial(POVS_VPORT_ENTRY vport) | |
974 | { | |
975 | size_t len; | |
976 | ||
977 | if (vport->portType == NdisSwitchPortTypeExternal) { | |
978 | if (vport->nicIndex == 0) { | |
979 | ASSERT(vport->nicIndex == 0); | |
980 | RtlStringCbPrintfW(vport->portFriendlyName.String, | |
981 | IF_MAX_STRING_SIZE, | |
982 | L"%s.virtualAdapter", OVS_DPPORT_EXTERNAL_NAME_W); | |
983 | } else { | |
984 | RtlStringCbPrintfW(vport->portFriendlyName.String, | |
985 | IF_MAX_STRING_SIZE, | |
986 | L"%s.%lu", OVS_DPPORT_EXTERNAL_NAME_W, | |
987 | (UINT32)vport->nicIndex); | |
988 | } | |
989 | } else { | |
990 | RtlStringCbPrintfW(vport->portFriendlyName.String, | |
991 | IF_MAX_STRING_SIZE, | |
992 | L"%s", OVS_DPPORT_INTERNAL_NAME_W); | |
993 | } | |
994 | ||
995 | RtlStringCbLengthW(vport->portFriendlyName.String, IF_MAX_STRING_SIZE, | |
996 | &len); | |
997 | vport->portFriendlyName.Length = (USHORT)len; | |
998 | } | |
999 | ||
1000 | ||
1001 | /* | |
1002 | * -------------------------------------------------------------------------- | |
1003 | * Functionality common to any port on the Hyper-V switch. This function is not | |
1004 | * to be called for a port that is not on the Hyper-V switch. | |
1005 | * | |
1006 | * Inserts the port into 'portIdHashArray' and caches the pointer in the | |
1007 | * 'switchContext' if needed. | |
1008 | * | |
1009 | * For external NIC, assigns the name for the NIC. | |
1010 | * -------------------------------------------------------------------------- | |
1011 | */ | |
1012 | static NDIS_STATUS | |
1013 | InitHvVportCommon(POVS_SWITCH_CONTEXT switchContext, | |
1014 | POVS_VPORT_ENTRY vport, | |
1015 | BOOLEAN newPort) | |
1016 | { | |
1017 | UINT32 hash; | |
1018 | ||
1019 | switch (vport->portType) { | |
1020 | case NdisSwitchPortTypeExternal: | |
1021 | /* | |
1022 | * Overwrite the 'portFriendlyName' of this external vport. The reason | |
1023 | * for having this in common code is to be able to call it from the NDIS | |
1024 | * Port callback as well as the NDIS NIC callback. | |
1025 | */ | |
1026 | AssignNicNameSpecial(vport); | |
1027 | ||
1028 | if (vport->nicIndex == 0) { | |
1029 | switchContext->virtualExternalPortId = vport->portId; | |
1030 | switchContext->virtualExternalVport = vport; | |
1031 | } else { | |
1032 | switchContext->numPhysicalNics++; | |
1033 | } | |
1034 | break; | |
1035 | case NdisSwitchPortTypeInternal: | |
1036 | ASSERT(vport->isBridgeInternal == FALSE); | |
1037 | ||
1038 | /* Overwrite the 'portFriendlyName' of the internal vport. */ | |
1039 | AssignNicNameSpecial(vport); | |
1040 | switchContext->internalPortId = vport->portId; | |
1041 | switchContext->internalVport = vport; | |
1042 | break; | |
1043 | case NdisSwitchPortTypeSynthetic: | |
1044 | case NdisSwitchPortTypeEmulated: | |
1045 | break; | |
1046 | } | |
1047 | ||
1048 | /* | |
1049 | * It is important to not insert vport corresponding to virtual external | |
1050 | * port into the 'portIdHashArray' since the port should not be exposed to | |
1051 | * OVS userspace. | |
1052 | */ | |
1053 | if (vport->portType == NdisSwitchPortTypeExternal && | |
1054 | vport->nicIndex == 0) { | |
1055 | return NDIS_STATUS_SUCCESS; | |
1056 | } | |
1057 | ||
1058 | /* | |
1059 | * NOTE: OvsJhashWords has portId as "1" word. This should be ok, even | |
1060 | * though sizeof(NDIS_SWITCH_PORT_ID) = 4, not 2, because the | |
1061 | * hyper-v switch seems to use only 2 bytes out of 4. | |
1062 | */ | |
1063 | hash = OvsJhashWords(&vport->portId, 1, OVS_HASH_BASIS); | |
1064 | InsertHeadList(&switchContext->portIdHashArray[hash & OVS_VPORT_MASK], | |
1065 | &vport->portIdLink); | |
1066 | if (newPort) { | |
1067 | switchContext->numHvVports++; | |
1068 | } | |
1069 | return NDIS_STATUS_SUCCESS; | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * -------------------------------------------------------------------------- | |
1074 | * Functionality common to any port added from OVS userspace. | |
1075 | * | |
1076 | * Inserts the port into 'portNoHashArray', 'ovsPortNameHashArray' and in | |
1077 | * 'tunnelVportsArray' if appropriate. | |
1078 | * -------------------------------------------------------------------------- | |
1079 | */ | |
1080 | NDIS_STATUS | |
1081 | InitOvsVportCommon(POVS_SWITCH_CONTEXT switchContext, | |
1082 | POVS_VPORT_ENTRY vport) | |
1083 | { | |
1084 | UINT32 hash; | |
1085 | ||
1086 | switch(vport->ovsType) { | |
1087 | case OVS_VPORT_TYPE_VXLAN: | |
1088 | case OVS_VPORT_TYPE_STT: | |
1089 | { | |
1090 | UINT16 dstPort = GetPortFromPriv(vport); | |
1091 | hash = OvsJhashBytes(&dstPort, | |
1092 | sizeof(dstPort), | |
1093 | OVS_HASH_BASIS); | |
1094 | InsertHeadList( | |
1095 | &gOvsSwitchContext->tunnelVportsArray[hash & OVS_VPORT_MASK], | |
1096 | &vport->tunnelVportLink); | |
1097 | switchContext->numNonHvVports++; | |
1098 | break; | |
1099 | } | |
1100 | case OVS_VPORT_TYPE_INTERNAL: | |
1101 | if (vport->isBridgeInternal) { | |
1102 | switchContext->numNonHvVports++; | |
1103 | } | |
1104 | default: | |
1105 | break; | |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | * Insert the port into the hash array of ports: by port number and ovs | |
1110 | * and ovs (datapath) port name. | |
1111 | * NOTE: OvsJhashWords has portNo as "1" word. This is ok, because the | |
1112 | * portNo is stored in 2 bytes only (max port number = MAXUINT16). | |
1113 | */ | |
1114 | hash = OvsJhashWords(&vport->portNo, 1, OVS_HASH_BASIS); | |
1115 | InsertHeadList(&gOvsSwitchContext->portNoHashArray[hash & OVS_VPORT_MASK], | |
1116 | &vport->portNoLink); | |
1117 | ||
1118 | hash = OvsJhashBytes(vport->ovsName, strlen(vport->ovsName) + 1, | |
1119 | OVS_HASH_BASIS); | |
1120 | InsertHeadList( | |
1121 | &gOvsSwitchContext->ovsPortNameHashArray[hash & OVS_VPORT_MASK], | |
1122 | &vport->ovsNameLink); | |
1123 | ||
1124 | return STATUS_SUCCESS; | |
1125 | } | |
1126 | ||
1127 | static VOID | |
1128 | OvsCleanupVportCommon(POVS_SWITCH_CONTEXT switchContext, | |
1129 | POVS_VPORT_ENTRY vport, | |
1130 | BOOLEAN hvSwitchPort, | |
1131 | BOOLEAN hvDelete, | |
1132 | BOOLEAN ovsDelete) | |
1133 | { | |
1134 | BOOLEAN deletedOnOvs = FALSE; | |
1135 | BOOLEAN deletedOnHv = FALSE; | |
1136 | ||
1137 | /* | |
1138 | * 'hvDelete' == TRUE indicates that the port should be removed from the | |
1139 | * 'portIdHashArray', while 'ovsDelete' == TRUE indicates that the port | |
1140 | * should be removed from 'portNoHashArray' and the 'ovsPortNameHashArray'. | |
1141 | * | |
1142 | * Both 'hvDelete' and 'ovsDelete' can be set to TRUE by the caller. | |
1143 | */ | |
1144 | if (vport->isPresentOnHv == TRUE) { | |
1145 | deletedOnHv = TRUE; | |
1146 | } | |
1147 | if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) { | |
1148 | deletedOnOvs = TRUE; | |
1149 | } | |
1150 | ||
1151 | if (hvDelete && !deletedOnHv) { | |
1152 | vport->isPresentOnHv = TRUE; | |
1153 | ||
1154 | /* Remove the port from the relevant lists. */ | |
1155 | RemoveEntryList(&vport->portIdLink); | |
1156 | InitializeListHead(&vport->portIdLink); | |
1157 | deletedOnHv = TRUE; | |
1158 | } | |
1159 | if (ovsDelete && !deletedOnOvs) { | |
1160 | vport->portNo = OVS_DPPORT_NUMBER_INVALID; | |
1161 | vport->ovsName[0] = '\0'; | |
1162 | ||
1163 | /* Remove the port from the relevant lists. */ | |
1164 | RemoveEntryList(&vport->ovsNameLink); | |
1165 | InitializeListHead(&vport->ovsNameLink); | |
1166 | RemoveEntryList(&vport->portNoLink); | |
1167 | InitializeListHead(&vport->portNoLink); | |
1168 | if (OVS_VPORT_TYPE_VXLAN == vport->ovsType || | |
1169 | OVS_VPORT_TYPE_STT == vport->ovsType) { | |
1170 | RemoveEntryList(&vport->tunnelVportLink); | |
1171 | InitializeListHead(&vport->tunnelVportLink); | |
1172 | } | |
1173 | ||
1174 | deletedOnOvs = TRUE; | |
1175 | } | |
1176 | ||
1177 | /* | |
1178 | * Deallocate the port if it has been deleted on the Hyper-V switch as well | |
1179 | * as OVS userspace. | |
1180 | */ | |
1181 | if (deletedOnHv && deletedOnOvs) { | |
1182 | if (hvSwitchPort) { | |
1183 | switchContext->numHvVports--; | |
1184 | } | |
1185 | else { | |
1186 | switchContext->numNonHvVports--; | |
1187 | } | |
1188 | OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG); | |
1189 | } | |
1190 | } | |
1191 | ||
1192 | /* | |
1193 | * -------------------------------------------------------------------------- | |
1194 | * Provides functionality that is partly complementatry to | |
1195 | * InitOvsVportCommon()/InitHvVportCommon(). | |
1196 | * | |
1197 | * 'hvDelete' indicates if caller is removing the vport as a result of the | |
1198 | * port being removed on the Hyper-V switch. | |
1199 | * 'ovsDelete' indicates if caller is removing the vport as a result of the | |
1200 | * port being removed from OVS userspace. | |
1201 | * -------------------------------------------------------------------------- | |
1202 | */ | |
1203 | NTSTATUS | |
1204 | OvsRemoveAndDeleteVport(PVOID usrParamsContext, | |
1205 | POVS_SWITCH_CONTEXT switchContext, | |
1206 | POVS_VPORT_ENTRY vport, | |
1207 | BOOLEAN hvDelete, | |
1208 | BOOLEAN ovsDelete) | |
1209 | { | |
1210 | NTSTATUS status = STATUS_SUCCESS; | |
1211 | POVS_USER_PARAMS_CONTEXT usrParamsCtx = | |
1212 | (POVS_USER_PARAMS_CONTEXT)usrParamsContext; | |
1213 | BOOLEAN hvSwitchPort = FALSE; | |
1214 | ||
1215 | if (vport->isExternal) { | |
1216 | if (vport->nicIndex == 0) { | |
1217 | ASSERT(switchContext->numPhysicalNics == 0); | |
1218 | switchContext->virtualExternalPortId = 0; | |
1219 | switchContext->virtualExternalVport = NULL; | |
1220 | OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG); | |
1221 | return STATUS_SUCCESS; | |
1222 | } else { | |
1223 | ASSERT(switchContext->numPhysicalNics); | |
1224 | switchContext->numPhysicalNics--; | |
1225 | hvSwitchPort = TRUE; | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | switch (vport->ovsType) { | |
1230 | case OVS_VPORT_TYPE_INTERNAL: | |
1231 | if (!vport->isBridgeInternal) { | |
1232 | switchContext->internalPortId = 0; | |
1233 | switchContext->internalVport = NULL; | |
1234 | OvsInternalAdapterDown(); | |
1235 | hvSwitchPort = TRUE; | |
1236 | } | |
1237 | break; | |
1238 | case OVS_VPORT_TYPE_VXLAN: | |
1239 | { | |
1240 | POVS_TUNFLT_INIT_CONTEXT tunnelContext = NULL; | |
1241 | PIRP irp = NULL; | |
1242 | ||
1243 | tunnelContext = OvsAllocateMemory(sizeof(*tunnelContext)); | |
1244 | if (tunnelContext == NULL) { | |
1245 | status = STATUS_INSUFFICIENT_RESOURCES; | |
1246 | break; | |
1247 | } | |
1248 | RtlZeroMemory(tunnelContext, sizeof(*tunnelContext)); | |
1249 | ||
1250 | tunnelContext->switchContext = switchContext; | |
1251 | tunnelContext->hvSwitchPort = hvSwitchPort; | |
1252 | tunnelContext->hvDelete = hvDelete; | |
1253 | tunnelContext->ovsDelete = ovsDelete; | |
1254 | tunnelContext->vport = vport; | |
1255 | ||
1256 | if (usrParamsCtx) { | |
1257 | tunnelContext->inputBuffer = usrParamsCtx->inputBuffer; | |
1258 | tunnelContext->outputBuffer = usrParamsCtx->outputBuffer; | |
1259 | tunnelContext->outputLength = usrParamsCtx->outputLength; | |
1260 | irp = usrParamsCtx->irp; | |
1261 | } | |
1262 | ||
1263 | status = OvsCleanupVxlanTunnel(irp, | |
1264 | vport, | |
1265 | OvsTunnelVportPendingUninit, | |
1266 | tunnelContext); | |
1267 | break; | |
1268 | } | |
1269 | case OVS_VPORT_TYPE_STT: | |
1270 | OvsCleanupSttTunnel(vport); | |
1271 | break; | |
1272 | case OVS_VPORT_TYPE_GRE: | |
1273 | case OVS_VPORT_TYPE_GRE64: | |
1274 | break; | |
1275 | case OVS_VPORT_TYPE_NETDEV: | |
1276 | hvSwitchPort = TRUE; | |
1277 | default: | |
1278 | break; | |
1279 | } | |
1280 | ||
1281 | if (STATUS_SUCCESS == status) { | |
1282 | OvsCleanupVportCommon(switchContext, | |
1283 | vport, | |
1284 | hvSwitchPort, | |
1285 | hvDelete, | |
1286 | ovsDelete); | |
1287 | } | |
1288 | ||
1289 | return status; | |
1290 | } | |
1291 | ||
1292 | NDIS_STATUS | |
1293 | OvsAddConfiguredSwitchPorts(POVS_SWITCH_CONTEXT switchContext) | |
1294 | { | |
1295 | NDIS_STATUS status = NDIS_STATUS_SUCCESS; | |
1296 | ULONG arrIndex; | |
1297 | PNDIS_SWITCH_PORT_PARAMETERS portParam; | |
1298 | PNDIS_SWITCH_PORT_ARRAY portArray = NULL; | |
1299 | POVS_VPORT_ENTRY vport; | |
1300 | ||
1301 | OVS_LOG_TRACE("Enter: switchContext:%p", switchContext); | |
1302 | ||
1303 | status = OvsGetPortsOnSwitch(switchContext, &portArray); | |
1304 | if (status != NDIS_STATUS_SUCCESS) { | |
1305 | goto cleanup; | |
1306 | } | |
1307 | ||
1308 | for (arrIndex = 0; arrIndex < portArray->NumElements; arrIndex++) { | |
1309 | portParam = NDIS_SWITCH_PORT_AT_ARRAY_INDEX(portArray, arrIndex); | |
1310 | ||
1311 | if (portParam->IsValidationPort) { | |
1312 | continue; | |
1313 | } | |
1314 | ||
1315 | vport = (POVS_VPORT_ENTRY)OvsAllocateVport(); | |
1316 | if (vport == NULL) { | |
1317 | status = NDIS_STATUS_RESOURCES; | |
1318 | goto cleanup; | |
1319 | } | |
1320 | OvsInitVportWithPortParam(vport, portParam); | |
1321 | status = InitHvVportCommon(switchContext, vport, TRUE); | |
1322 | if (status != NDIS_STATUS_SUCCESS) { | |
1323 | OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG); | |
1324 | goto cleanup; | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | cleanup: | |
1329 | if (status != NDIS_STATUS_SUCCESS) { | |
1330 | OvsClearAllSwitchVports(switchContext); | |
1331 | } | |
1332 | ||
1333 | OvsFreeSwitchPortsArray(portArray); | |
1334 | ||
1335 | OVS_LOG_TRACE("Exit: status: %x", status); | |
1336 | ||
1337 | return status; | |
1338 | } | |
1339 | ||
1340 | ||
1341 | NDIS_STATUS | |
1342 | OvsInitConfiguredSwitchNics(POVS_SWITCH_CONTEXT switchContext) | |
1343 | { | |
1344 | NDIS_STATUS status = NDIS_STATUS_SUCCESS; | |
1345 | PNDIS_SWITCH_NIC_ARRAY nicArray = NULL; | |
1346 | ULONG arrIndex; | |
1347 | PNDIS_SWITCH_NIC_PARAMETERS nicParam; | |
1348 | POVS_VPORT_ENTRY vport; | |
1349 | ||
1350 | OVS_LOG_TRACE("Enter: switchContext: %p", switchContext); | |
1351 | /* | |
1352 | * Now, get NIC list. | |
1353 | */ | |
1354 | status = OvsGetNicsOnSwitch(switchContext, &nicArray); | |
1355 | if (status != NDIS_STATUS_SUCCESS) { | |
1356 | goto cleanup; | |
1357 | } | |
1358 | for (arrIndex = 0; arrIndex < nicArray->NumElements; ++arrIndex) { | |
1359 | ||
1360 | nicParam = NDIS_SWITCH_NIC_AT_ARRAY_INDEX(nicArray, arrIndex); | |
1361 | ||
1362 | /* | |
1363 | * XXX: Check if the port is configured with a VLAN. Disallow such a | |
1364 | * configuration, since we don't support tag-in-tag. | |
1365 | */ | |
1366 | ||
1367 | /* | |
1368 | * XXX: Check if the port is connected to a VF. Disconnect the VF in | |
1369 | * such a case. | |
1370 | */ | |
1371 | ||
1372 | if (nicParam->NicType == NdisSwitchNicTypeExternal && | |
1373 | nicParam->NicIndex != 0) { | |
1374 | POVS_VPORT_ENTRY virtExtVport = | |
1375 | (POVS_VPORT_ENTRY)switchContext->virtualExternalVport; | |
1376 | ||
1377 | vport = OvsAllocateVport(); | |
1378 | if (vport) { | |
1379 | OvsInitPhysNicVport(vport, virtExtVport, | |
1380 | nicParam->NicIndex); | |
1381 | status = InitHvVportCommon(switchContext, vport, TRUE); | |
1382 | if (status != NDIS_STATUS_SUCCESS) { | |
1383 | OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG); | |
1384 | vport = NULL; | |
1385 | } | |
1386 | } | |
1387 | } else { | |
1388 | vport = OvsFindVportByPortIdAndNicIndex(switchContext, | |
1389 | nicParam->PortId, | |
1390 | nicParam->NicIndex); | |
1391 | } | |
1392 | if (vport == NULL) { | |
1393 | OVS_LOG_ERROR("Fail to allocate vport"); | |
1394 | continue; | |
1395 | } | |
1396 | OvsInitVportWithNicParam(switchContext, vport, nicParam); | |
1397 | if (nicParam->NicType == NdisSwitchNicTypeInternal) { | |
1398 | OvsInternalAdapterUp(vport->portNo, &nicParam->NetCfgInstanceId); | |
1399 | } | |
1400 | } | |
1401 | cleanup: | |
1402 | ||
1403 | OvsFreeSwitchNicsArray(nicArray); | |
1404 | ||
1405 | OVS_LOG_TRACE("Exit: status: %x", status); | |
1406 | return status; | |
1407 | } | |
1408 | ||
1409 | /* | |
1410 | * -------------------------------------------------------------------------- | |
1411 | * Deletes ports added from the Hyper-V switch as well as OVS usersapce. The | |
1412 | * function deletes ports in 'portIdHashArray'. This will delete most of the | |
1413 | * ports that are in the 'portNoHashArray' as well. Any remaining ports | |
1414 | * are deleted by walking the the 'portNoHashArray'. | |
1415 | * -------------------------------------------------------------------------- | |
1416 | */ | |
1417 | VOID | |
1418 | OvsClearAllSwitchVports(POVS_SWITCH_CONTEXT switchContext) | |
1419 | { | |
1420 | for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) { | |
1421 | PLIST_ENTRY head, link, next; | |
1422 | ||
1423 | head = &(switchContext->portIdHashArray[hash & OVS_VPORT_MASK]); | |
1424 | LIST_FORALL_SAFE(head, link, next) { | |
1425 | POVS_VPORT_ENTRY vport; | |
1426 | vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portIdLink); | |
1427 | OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, TRUE); | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | /* | |
1432 | * Remove 'virtualExternalVport' as well. This port is not part of the | |
1433 | * 'portIdHashArray'. | |
1434 | */ | |
1435 | if (switchContext->virtualExternalVport) { | |
1436 | OvsRemoveAndDeleteVport(NULL, switchContext, | |
1437 | (POVS_VPORT_ENTRY)switchContext->virtualExternalVport, TRUE, TRUE); | |
1438 | } | |
1439 | ||
1440 | ||
1441 | for (UINT hash = 0; hash < OVS_MAX_VPORT_ARRAY_SIZE; hash++) { | |
1442 | PLIST_ENTRY head, link, next; | |
1443 | head = &(switchContext->portNoHashArray[hash & OVS_VPORT_MASK]); | |
1444 | LIST_FORALL_SAFE(head, link, next) { | |
1445 | POVS_VPORT_ENTRY vport; | |
1446 | vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink); | |
1447 | ASSERT(OvsIsTunnelVportType(vport->ovsType) || | |
1448 | (vport->ovsType == OVS_VPORT_TYPE_INTERNAL && | |
1449 | vport->isBridgeInternal) || vport->isPresentOnHv == TRUE); | |
1450 | OvsRemoveAndDeleteVport(NULL, switchContext, vport, TRUE, TRUE); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | ASSERT(switchContext->virtualExternalVport == NULL); | |
1455 | ASSERT(switchContext->internalVport == NULL); | |
1456 | } | |
1457 | ||
1458 | ||
1459 | NTSTATUS | |
1460 | OvsConvertIfCountedStrToAnsiStr(PIF_COUNTED_STRING wStr, | |
1461 | CHAR *str, | |
1462 | UINT16 maxStrLen) | |
1463 | { | |
1464 | ANSI_STRING astr; | |
1465 | UNICODE_STRING ustr; | |
1466 | NTSTATUS status; | |
1467 | UINT32 size; | |
1468 | ||
1469 | ustr.Buffer = wStr->String; | |
1470 | ustr.Length = wStr->Length; | |
1471 | ustr.MaximumLength = IF_MAX_STRING_SIZE; | |
1472 | ||
1473 | astr.Buffer = str; | |
1474 | astr.MaximumLength = maxStrLen; | |
1475 | astr.Length = 0; | |
1476 | ||
1477 | size = RtlUnicodeStringToAnsiSize(&ustr); | |
1478 | if (size > maxStrLen) { | |
1479 | return STATUS_BUFFER_OVERFLOW; | |
1480 | } | |
1481 | ||
1482 | status = RtlUnicodeStringToAnsiString(&astr, &ustr, FALSE); | |
1483 | ||
1484 | ASSERT(status == STATUS_SUCCESS); | |
1485 | if (status != STATUS_SUCCESS) { | |
1486 | return status; | |
1487 | } | |
1488 | ASSERT(astr.Length <= maxStrLen); | |
1489 | str[astr.Length] = 0; | |
1490 | return STATUS_SUCCESS; | |
1491 | } | |
1492 | ||
1493 | /* | |
1494 | * -------------------------------------------------------------------------- | |
1495 | * Utility function that populates a 'OVS_VPORT_EXT_INFO' structure for the | |
1496 | * specified vport. | |
1497 | * -------------------------------------------------------------------------- | |
1498 | */ | |
1499 | NTSTATUS | |
1500 | OvsGetExtInfoIoctl(POVS_VPORT_GET vportGet, | |
1501 | POVS_VPORT_EXT_INFO extInfo) | |
1502 | { | |
1503 | POVS_VPORT_ENTRY vport; | |
1504 | size_t len; | |
1505 | LOCK_STATE_EX lockState; | |
1506 | NTSTATUS status = STATUS_SUCCESS; | |
1507 | BOOLEAN doConvert = FALSE; | |
1508 | ||
1509 | RtlZeroMemory(extInfo, sizeof (POVS_VPORT_EXT_INFO)); | |
1510 | NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0); | |
1511 | if (vportGet->portNo == 0) { | |
1512 | StringCbLengthA(vportGet->name, OVS_MAX_PORT_NAME_LENGTH - 1, &len); | |
1513 | vport = OvsFindVportByHvNameA(gOvsSwitchContext, vportGet->name); | |
1514 | if (vport != NULL) { | |
1515 | /* If the port is not a Hyper-V port and it has been added earlier, | |
1516 | * we'll find it in 'ovsPortNameHashArray'. */ | |
1517 | vport = OvsFindVportByOvsName(gOvsSwitchContext, vportGet->name); | |
1518 | } | |
1519 | } else { | |
1520 | vport = OvsFindVportByPortNo(gOvsSwitchContext, vportGet->portNo); | |
1521 | } | |
1522 | if (vport == NULL || (vport->ovsState != OVS_STATE_CONNECTED && | |
1523 | vport->ovsState != OVS_STATE_NIC_CREATED)) { | |
1524 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
1525 | if (vportGet->portNo) { | |
1526 | OVS_LOG_WARN("vport %u does not exist any more", vportGet->portNo); | |
1527 | } else { | |
1528 | OVS_LOG_WARN("vport %s does not exist any more", vportGet->name); | |
1529 | } | |
1530 | status = STATUS_DEVICE_DOES_NOT_EXIST; | |
1531 | goto ext_info_done; | |
1532 | } | |
1533 | extInfo->dpNo = vportGet->dpNo; | |
1534 | extInfo->portNo = vport->portNo; | |
1535 | RtlCopyMemory(extInfo->macAddress, vport->currMacAddress, | |
1536 | sizeof (vport->currMacAddress)); | |
1537 | RtlCopyMemory(extInfo->permMACAddress, vport->permMacAddress, | |
1538 | sizeof (vport->permMacAddress)); | |
1539 | if (vport->ovsType == OVS_VPORT_TYPE_NETDEV) { | |
1540 | RtlCopyMemory(extInfo->vmMACAddress, vport->vmMacAddress, | |
1541 | sizeof (vport->vmMacAddress)); | |
1542 | } | |
1543 | extInfo->nicIndex = vport->nicIndex; | |
1544 | extInfo->portId = vport->portId; | |
1545 | extInfo->type = vport->ovsType; | |
1546 | extInfo->mtu = vport->mtu; | |
1547 | /* | |
1548 | * TO be revisit XXX | |
1549 | */ | |
1550 | if (vport->ovsState == OVS_STATE_NIC_CREATED) { | |
1551 | extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_DOWN; | |
1552 | } else if (vport->ovsState == OVS_STATE_CONNECTED) { | |
1553 | extInfo->status = OVS_EVENT_CONNECT | OVS_EVENT_LINK_UP; | |
1554 | } else { | |
1555 | extInfo->status = OVS_EVENT_DISCONNECT; | |
1556 | } | |
1557 | if (extInfo->type == OVS_VPORT_TYPE_NETDEV && | |
1558 | (vport->ovsState == OVS_STATE_NIC_CREATED || | |
1559 | vport->ovsState == OVS_STATE_CONNECTED)) { | |
1560 | doConvert = TRUE; | |
1561 | } else { | |
1562 | extInfo->vmUUID[0] = 0; | |
1563 | extInfo->vifUUID[0] = 0; | |
1564 | } | |
1565 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
1566 | if (doConvert) { | |
1567 | status = OvsConvertIfCountedStrToAnsiStr(&vport->portFriendlyName, | |
1568 | extInfo->name, | |
1569 | OVS_MAX_PORT_NAME_LENGTH); | |
1570 | if (status != STATUS_SUCCESS) { | |
1571 | OVS_LOG_INFO("Fail to convert NIC name."); | |
1572 | extInfo->vmUUID[0] = 0; | |
1573 | } | |
1574 | ||
1575 | status = OvsConvertIfCountedStrToAnsiStr(&vport->vmName, | |
1576 | extInfo->vmUUID, | |
1577 | OVS_MAX_VM_UUID_LEN); | |
1578 | if (status != STATUS_SUCCESS) { | |
1579 | OVS_LOG_INFO("Fail to convert VM name."); | |
1580 | extInfo->vmUUID[0] = 0; | |
1581 | } | |
1582 | ||
1583 | status = OvsConvertIfCountedStrToAnsiStr(&vport->nicName, | |
1584 | extInfo->vifUUID, | |
1585 | OVS_MAX_VIF_UUID_LEN); | |
1586 | if (status != STATUS_SUCCESS) { | |
1587 | OVS_LOG_INFO("Fail to convert nic UUID"); | |
1588 | extInfo->vifUUID[0] = 0; | |
1589 | } | |
1590 | /* | |
1591 | * for now ignore status | |
1592 | */ | |
1593 | status = STATUS_SUCCESS; | |
1594 | } | |
1595 | ||
1596 | ext_info_done: | |
1597 | return status; | |
1598 | } | |
1599 | ||
1600 | /* | |
1601 | * -------------------------------------------------------------------------- | |
1602 | * Command Handler for 'OVS_WIN_NETDEV_CMD_GET'. | |
1603 | * -------------------------------------------------------------------------- | |
1604 | */ | |
1605 | NTSTATUS | |
1606 | OvsGetNetdevCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
1607 | UINT32 *replyLen) | |
1608 | { | |
1609 | NTSTATUS status = STATUS_SUCCESS; | |
1610 | POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer; | |
1611 | POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer; | |
1612 | NL_ERROR nlError = NL_ERROR_SUCCESS; | |
1613 | OVS_VPORT_GET vportGet; | |
1614 | OVS_VPORT_EXT_INFO info; | |
1615 | ||
1616 | static const NL_POLICY ovsNetdevPolicy[] = { | |
1617 | [OVS_WIN_NETDEV_ATTR_NAME] = { .type = NL_A_STRING, | |
1618 | .minLen = 2, | |
1619 | .maxLen = IFNAMSIZ }, | |
1620 | }; | |
1621 | PNL_ATTR netdevAttrs[ARRAY_SIZE(ovsNetdevPolicy)]; | |
1622 | ||
1623 | /* input buffer has been validated while validating transaction dev op. */ | |
1624 | ASSERT(usrParamsCtx->inputBuffer != NULL && | |
1625 | usrParamsCtx->inputLength > sizeof *msgIn); | |
1626 | ||
1627 | if (msgOut == NULL || usrParamsCtx->outputLength < sizeof *msgOut) { | |
1628 | return STATUS_INVALID_BUFFER_SIZE; | |
1629 | } | |
1630 | ||
1631 | if (!NlAttrParse((PNL_MSG_HDR)msgIn, | |
1632 | NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN, | |
1633 | NlMsgAttrsLen((PNL_MSG_HDR)msgIn), | |
1634 | ovsNetdevPolicy, netdevAttrs, ARRAY_SIZE(netdevAttrs))) { | |
1635 | return STATUS_INVALID_PARAMETER; | |
1636 | } | |
1637 | ||
1638 | vportGet.portNo = 0; | |
1639 | RtlCopyMemory(&vportGet.name, NlAttrGet(netdevAttrs[OVS_VPORT_ATTR_NAME]), | |
1640 | NlAttrGetSize(netdevAttrs[OVS_VPORT_ATTR_NAME])); | |
1641 | ||
1642 | status = OvsGetExtInfoIoctl(&vportGet, &info); | |
1643 | if (status == STATUS_DEVICE_DOES_NOT_EXIST) { | |
1644 | nlError = NL_ERROR_NODEV; | |
1645 | goto cleanup; | |
1646 | } | |
1647 | ||
1648 | status = CreateNetlinkMesgForNetdev(&info, msgIn, | |
1649 | usrParamsCtx->outputBuffer, usrParamsCtx->outputLength, | |
1650 | gOvsSwitchContext->dpNo); | |
1651 | if (status == STATUS_SUCCESS) { | |
1652 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
1653 | } | |
1654 | ||
1655 | cleanup: | |
1656 | if (nlError != NL_ERROR_SUCCESS) { | |
1657 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) | |
1658 | usrParamsCtx->outputBuffer; | |
1659 | ||
1660 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
1661 | *replyLen = msgError->nlMsg.nlmsgLen; | |
1662 | } | |
1663 | ||
1664 | return STATUS_SUCCESS; | |
1665 | } | |
1666 | ||
1667 | ||
1668 | /* | |
1669 | * -------------------------------------------------------------------------- | |
1670 | * Utility function to construct an OVS_MESSAGE for the specified vport. The | |
1671 | * OVS_MESSAGE contains the output of a netdev command. | |
1672 | * -------------------------------------------------------------------------- | |
1673 | */ | |
1674 | static NTSTATUS | |
1675 | CreateNetlinkMesgForNetdev(POVS_VPORT_EXT_INFO info, | |
1676 | POVS_MESSAGE msgIn, | |
1677 | PVOID outBuffer, | |
1678 | UINT32 outBufLen, | |
1679 | int dpIfIndex) | |
1680 | { | |
1681 | NL_BUFFER nlBuffer; | |
1682 | BOOLEAN ok; | |
1683 | PNL_MSG_HDR nlMsg; | |
1684 | UINT32 netdevFlags = 0; | |
1685 | ||
1686 | NlBufInit(&nlBuffer, outBuffer, outBufLen); | |
1687 | ||
1688 | ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI, | |
1689 | msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid, | |
1690 | msgIn->genlMsg.cmd, msgIn->genlMsg.version, | |
1691 | dpIfIndex); | |
1692 | if (!ok) { | |
1693 | return STATUS_INVALID_BUFFER_SIZE; | |
1694 | } | |
1695 | ||
1696 | ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_PORT_NO, | |
1697 | info->portNo); | |
1698 | if (!ok) { | |
1699 | return STATUS_INVALID_BUFFER_SIZE; | |
1700 | } | |
1701 | ||
1702 | ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_TYPE, info->type); | |
1703 | if (!ok) { | |
1704 | return STATUS_INVALID_BUFFER_SIZE; | |
1705 | } | |
1706 | ||
1707 | ok = NlMsgPutTailString(&nlBuffer, OVS_WIN_NETDEV_ATTR_NAME, | |
1708 | info->name); | |
1709 | if (!ok) { | |
1710 | return STATUS_INVALID_BUFFER_SIZE; | |
1711 | } | |
1712 | ||
1713 | ok = NlMsgPutTailUnspec(&nlBuffer, OVS_WIN_NETDEV_ATTR_MAC_ADDR, | |
1714 | (PCHAR)info->macAddress, sizeof (info->macAddress)); | |
1715 | if (!ok) { | |
1716 | return STATUS_INVALID_BUFFER_SIZE; | |
1717 | } | |
1718 | ||
1719 | ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_MTU, info->mtu); | |
1720 | if (!ok) { | |
1721 | return STATUS_INVALID_BUFFER_SIZE; | |
1722 | } | |
1723 | ||
1724 | if (info->status != OVS_EVENT_CONNECT) { | |
1725 | netdevFlags = OVS_WIN_NETDEV_IFF_UP; | |
1726 | } | |
1727 | ok = NlMsgPutTailU32(&nlBuffer, OVS_WIN_NETDEV_ATTR_IF_FLAGS, | |
1728 | netdevFlags); | |
1729 | if (!ok) { | |
1730 | return STATUS_INVALID_BUFFER_SIZE; | |
1731 | } | |
1732 | ||
1733 | /* | |
1734 | * XXX: add netdev_stats when we have the definition available in the | |
1735 | * kernel. | |
1736 | */ | |
1737 | ||
1738 | nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0); | |
1739 | nlMsg->nlmsgLen = NlBufSize(&nlBuffer); | |
1740 | ||
1741 | return STATUS_SUCCESS; | |
1742 | } | |
1743 | ||
1744 | static __inline VOID | |
1745 | OvsWaitActivate(POVS_SWITCH_CONTEXT switchContext, ULONG sleepMicroSec) | |
1746 | { | |
1747 | while ((!switchContext->isActivated) && | |
1748 | (!switchContext->isActivateFailed)) { | |
1749 | /* Wait for the switch to be active and | |
1750 | * the list of ports in OVS to be initialized. */ | |
1751 | NdisMSleep(sleepMicroSec); | |
1752 | } | |
1753 | } | |
1754 | ||
1755 | static NTSTATUS | |
1756 | OvsCreateMsgFromVport(POVS_VPORT_ENTRY vport, | |
1757 | POVS_MESSAGE msgIn, | |
1758 | PVOID outBuffer, | |
1759 | UINT32 outBufLen, | |
1760 | int dpIfIndex) | |
1761 | { | |
1762 | NL_BUFFER nlBuffer; | |
1763 | OVS_VPORT_FULL_STATS vportStats; | |
1764 | BOOLEAN ok; | |
1765 | PNL_MSG_HDR nlMsg; | |
1766 | ||
1767 | NlBufInit(&nlBuffer, outBuffer, outBufLen); | |
1768 | ||
1769 | ok = NlFillOvsMsg(&nlBuffer, msgIn->nlMsg.nlmsgType, NLM_F_MULTI, | |
1770 | msgIn->nlMsg.nlmsgSeq, msgIn->nlMsg.nlmsgPid, | |
1771 | msgIn->genlMsg.cmd, msgIn->genlMsg.version, | |
1772 | dpIfIndex); | |
1773 | if (!ok) { | |
1774 | return STATUS_INVALID_BUFFER_SIZE; | |
1775 | } | |
1776 | ||
1777 | ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_PORT_NO, vport->portNo); | |
1778 | if (!ok) { | |
1779 | return STATUS_INVALID_BUFFER_SIZE; | |
1780 | } | |
1781 | ||
1782 | ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_TYPE, vport->ovsType); | |
1783 | if (!ok) { | |
1784 | return STATUS_INVALID_BUFFER_SIZE; | |
1785 | } | |
1786 | ||
1787 | ok = NlMsgPutTailString(&nlBuffer, OVS_VPORT_ATTR_NAME, vport->ovsName); | |
1788 | if (!ok) { | |
1789 | return STATUS_INVALID_BUFFER_SIZE; | |
1790 | } | |
1791 | ||
1792 | /* | |
1793 | * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath, | |
1794 | * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set, | |
1795 | * it means we have an array of pids, instead of a single pid. | |
1796 | * ATM we assume we have one pid only. | |
1797 | */ | |
1798 | ||
1799 | ok = NlMsgPutTailU32(&nlBuffer, OVS_VPORT_ATTR_UPCALL_PID, | |
1800 | vport->upcallPid); | |
1801 | if (!ok) { | |
1802 | return STATUS_INVALID_BUFFER_SIZE; | |
1803 | } | |
1804 | ||
1805 | /*stats*/ | |
1806 | vportStats.rxPackets = vport->stats.rxPackets; | |
1807 | vportStats.rxBytes = vport->stats.rxBytes; | |
1808 | vportStats.txPackets = vport->stats.txPackets; | |
1809 | vportStats.txBytes = vport->stats.txBytes; | |
1810 | vportStats.rxErrors = vport->errStats.rxErrors; | |
1811 | vportStats.txErrors = vport->errStats.txErrors; | |
1812 | vportStats.rxDropped = vport->errStats.rxDropped; | |
1813 | vportStats.txDropped = vport->errStats.txDropped; | |
1814 | ||
1815 | ok = NlMsgPutTailUnspec(&nlBuffer, OVS_VPORT_ATTR_STATS, | |
1816 | (PCHAR)&vportStats, | |
1817 | sizeof(OVS_VPORT_FULL_STATS)); | |
1818 | if (!ok) { | |
1819 | return STATUS_INVALID_BUFFER_SIZE; | |
1820 | } | |
1821 | ||
1822 | /* | |
1823 | * XXX: when vxlan udp dest port becomes configurable, we will also need | |
1824 | * to add vport options | |
1825 | */ | |
1826 | ||
1827 | nlMsg = (PNL_MSG_HDR)NlBufAt(&nlBuffer, 0, 0); | |
1828 | nlMsg->nlmsgLen = NlBufSize(&nlBuffer); | |
1829 | ||
1830 | return STATUS_SUCCESS; | |
1831 | } | |
1832 | ||
1833 | static NTSTATUS | |
1834 | OvsGetVportDumpNext(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
1835 | UINT32 *replyLen) | |
1836 | { | |
1837 | POVS_MESSAGE msgIn; | |
1838 | POVS_OPEN_INSTANCE instance = | |
1839 | (POVS_OPEN_INSTANCE)usrParamsCtx->ovsInstance; | |
1840 | LOCK_STATE_EX lockState; | |
1841 | UINT32 i = OVS_MAX_VPORT_ARRAY_SIZE; | |
1842 | ||
1843 | /* | |
1844 | * XXX: this function shares some code with other dump command(s). | |
1845 | * In the future, we will need to refactor the dump functions | |
1846 | */ | |
1847 | ||
1848 | ASSERT(usrParamsCtx->devOp == OVS_READ_DEV_OP); | |
1849 | ||
1850 | if (instance->dumpState.ovsMsg == NULL) { | |
1851 | ASSERT(FALSE); | |
1852 | return STATUS_INVALID_DEVICE_STATE; | |
1853 | } | |
1854 | ||
1855 | /* Output buffer has been validated while validating read dev op. */ | |
1856 | ASSERT(usrParamsCtx->outputBuffer != NULL); | |
1857 | ||
1858 | msgIn = instance->dumpState.ovsMsg; | |
1859 | ||
1860 | /* | |
1861 | * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath, | |
1862 | * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set, | |
1863 | * it means we have an array of pids, instead of a single pid. | |
1864 | * ATM we assume we have one pid only. | |
1865 | */ | |
1866 | NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0); | |
1867 | ||
1868 | if (gOvsSwitchContext->numHvVports > 0 || | |
1869 | gOvsSwitchContext->numNonHvVports > 0) { | |
1870 | /* inBucket: the bucket, used for lookup */ | |
1871 | UINT32 inBucket = instance->dumpState.index[0]; | |
1872 | /* inIndex: index within the given bucket, used for lookup */ | |
1873 | UINT32 inIndex = instance->dumpState.index[1]; | |
1874 | /* the bucket to be used for the next dump operation */ | |
1875 | UINT32 outBucket = 0; | |
1876 | /* the index within the outBucket to be used for the next dump */ | |
1877 | UINT32 outIndex = 0; | |
1878 | ||
1879 | for (i = inBucket; i < OVS_MAX_VPORT_ARRAY_SIZE; i++) { | |
1880 | PLIST_ENTRY head, link; | |
1881 | head = &(gOvsSwitchContext->portNoHashArray[i]); | |
1882 | POVS_VPORT_ENTRY vport = NULL; | |
1883 | ||
1884 | outIndex = 0; | |
1885 | LIST_FORALL(head, link) { | |
1886 | ||
1887 | /* | |
1888 | * if one or more dumps were previously done on this same bucket, | |
1889 | * inIndex will be > 0, so we'll need to reply with the | |
1890 | * inIndex + 1 vport from the bucket. | |
1891 | */ | |
1892 | if (outIndex >= inIndex) { | |
1893 | vport = CONTAINING_RECORD(link, OVS_VPORT_ENTRY, portNoLink); | |
1894 | ||
1895 | ASSERT(vport->portNo != OVS_DPPORT_NUMBER_INVALID); | |
1896 | OvsCreateMsgFromVport(vport, msgIn, | |
1897 | usrParamsCtx->outputBuffer, | |
1898 | usrParamsCtx->outputLength, | |
1899 | gOvsSwitchContext->dpNo); | |
1900 | ++outIndex; | |
1901 | break; | |
1902 | } | |
1903 | ||
1904 | ++outIndex; | |
1905 | } | |
1906 | ||
1907 | if (vport) { | |
1908 | break; | |
1909 | } | |
1910 | ||
1911 | /* | |
1912 | * if no vport was found above, check the next bucket, beginning | |
1913 | * with the first (i.e. index 0) elem from within that bucket | |
1914 | */ | |
1915 | inIndex = 0; | |
1916 | } | |
1917 | ||
1918 | outBucket = i; | |
1919 | ||
1920 | /* XXX: what about NLMSG_DONE (as msg type)? */ | |
1921 | instance->dumpState.index[0] = outBucket; | |
1922 | instance->dumpState.index[1] = outIndex; | |
1923 | } | |
1924 | ||
1925 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
1926 | ||
1927 | /* if i < OVS_MAX_VPORT_ARRAY_SIZE => vport was found */ | |
1928 | if (i < OVS_MAX_VPORT_ARRAY_SIZE) { | |
1929 | POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer; | |
1930 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
1931 | } else { | |
1932 | /* | |
1933 | * if i >= OVS_MAX_VPORT_ARRAY_SIZE => vport was not found => | |
1934 | * it's dump done | |
1935 | */ | |
1936 | *replyLen = 0; | |
1937 | /* Free up the dump state, since there's no more data to continue. */ | |
1938 | FreeUserDumpState(instance); | |
1939 | } | |
1940 | ||
1941 | return STATUS_SUCCESS; | |
1942 | } | |
1943 | ||
1944 | static NTSTATUS | |
1945 | OvsGetVport(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
1946 | UINT32 *replyLen) | |
1947 | { | |
1948 | NTSTATUS status = STATUS_SUCCESS; | |
1949 | LOCK_STATE_EX lockState; | |
1950 | ||
1951 | POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer; | |
1952 | POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer; | |
1953 | POVS_VPORT_ENTRY vport = NULL; | |
1954 | NL_ERROR nlError = NL_ERROR_SUCCESS; | |
1955 | PCHAR portName = NULL; | |
1956 | UINT32 portNameLen = 0; | |
1957 | UINT32 portNumber = OVS_DPPORT_NUMBER_INVALID; | |
1958 | ||
1959 | static const NL_POLICY ovsVportPolicy[] = { | |
1960 | [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE }, | |
1961 | [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, | |
1962 | .minLen = 2, | |
1963 | .maxLen = IFNAMSIZ, | |
1964 | .optional = TRUE}, | |
1965 | }; | |
1966 | PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)]; | |
1967 | ||
1968 | /* input buffer has been validated while validating write dev op. */ | |
1969 | ASSERT(usrParamsCtx->inputBuffer != NULL); | |
1970 | ||
1971 | if (!NlAttrParse((PNL_MSG_HDR)msgIn, | |
1972 | NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN, | |
1973 | NlMsgAttrsLen((PNL_MSG_HDR)msgIn), | |
1974 | ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) { | |
1975 | return STATUS_INVALID_PARAMETER; | |
1976 | } | |
1977 | ||
1978 | /* Output buffer has been validated while validating transact dev op. */ | |
1979 | ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut); | |
1980 | ||
1981 | NdisAcquireRWLockRead(gOvsSwitchContext->dispatchLock, &lockState, 0); | |
1982 | if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) { | |
1983 | portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
1984 | portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
1985 | ||
1986 | /* the port name is expected to be null-terminated */ | |
1987 | ASSERT(portName[portNameLen - 1] == '\0'); | |
1988 | ||
1989 | vport = OvsFindVportByOvsName(gOvsSwitchContext, portName); | |
1990 | } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) { | |
1991 | portNumber = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]); | |
1992 | ||
1993 | vport = OvsFindVportByPortNo(gOvsSwitchContext, portNumber); | |
1994 | } else { | |
1995 | nlError = NL_ERROR_INVAL; | |
1996 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
1997 | goto Cleanup; | |
1998 | } | |
1999 | ||
2000 | if (!vport) { | |
2001 | nlError = NL_ERROR_NODEV; | |
2002 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
2003 | goto Cleanup; | |
2004 | } | |
2005 | ||
2006 | status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer, | |
2007 | usrParamsCtx->outputLength, | |
2008 | gOvsSwitchContext->dpNo); | |
2009 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
2010 | ||
2011 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
2012 | ||
2013 | Cleanup: | |
2014 | if (nlError != NL_ERROR_SUCCESS) { | |
2015 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) | |
2016 | usrParamsCtx->outputBuffer; | |
2017 | ||
2018 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
2019 | *replyLen = msgError->nlMsg.nlmsgLen; | |
2020 | } | |
2021 | ||
2022 | return STATUS_SUCCESS; | |
2023 | } | |
2024 | ||
2025 | /* | |
2026 | * -------------------------------------------------------------------------- | |
2027 | * Command Handler for 'OVS_VPORT_CMD_GET'. | |
2028 | * | |
2029 | * The function handles the initial call to setup the dump state, as well as | |
2030 | * subsequent calls to continue dumping data. | |
2031 | * -------------------------------------------------------------------------- | |
2032 | */ | |
2033 | NTSTATUS | |
2034 | OvsGetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
2035 | UINT32 *replyLen) | |
2036 | { | |
2037 | *replyLen = 0; | |
2038 | ||
2039 | switch (usrParamsCtx->devOp) { | |
2040 | case OVS_WRITE_DEV_OP: | |
2041 | return OvsSetupDumpStart(usrParamsCtx); | |
2042 | ||
2043 | case OVS_READ_DEV_OP: | |
2044 | return OvsGetVportDumpNext(usrParamsCtx, replyLen); | |
2045 | ||
2046 | case OVS_TRANSACTION_DEV_OP: | |
2047 | return OvsGetVport(usrParamsCtx, replyLen); | |
2048 | ||
2049 | default: | |
2050 | return STATUS_INVALID_DEVICE_REQUEST; | |
2051 | } | |
2052 | ||
2053 | } | |
2054 | ||
2055 | static UINT32 | |
2056 | OvsComputeVportNo(POVS_SWITCH_CONTEXT switchContext) | |
2057 | { | |
2058 | /* we are not allowed to create the port OVS_DPPORT_NUMBER_LOCAL */ | |
2059 | for (ULONG i = OVS_DPPORT_NUMBER_LOCAL + 1; i < MAXUINT16; ++i) { | |
2060 | POVS_VPORT_ENTRY vport; | |
2061 | ||
2062 | vport = OvsFindVportByPortNo(switchContext, i); | |
2063 | if (!vport) { | |
2064 | return i; | |
2065 | } | |
2066 | } | |
2067 | ||
2068 | return OVS_DPPORT_NUMBER_INVALID; | |
2069 | } | |
2070 | ||
2071 | /* | |
2072 | * -------------------------------------------------------------------------- | |
2073 | * Command Handler for 'OVS_VPORT_CMD_NEW'. | |
2074 | * -------------------------------------------------------------------------- | |
2075 | */ | |
2076 | NTSTATUS | |
2077 | OvsNewVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
2078 | UINT32 *replyLen) | |
2079 | { | |
2080 | NDIS_STATUS status = STATUS_SUCCESS; | |
2081 | LOCK_STATE_EX lockState; | |
2082 | ||
2083 | NL_ERROR nlError = NL_ERROR_SUCCESS; | |
2084 | POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer; | |
2085 | POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer; | |
2086 | POVS_VPORT_ENTRY vport = NULL; | |
2087 | PCHAR portName; | |
2088 | ULONG portNameLen; | |
2089 | UINT32 portType; | |
2090 | BOOLEAN isBridgeInternal = FALSE; | |
2091 | BOOLEAN vportAllocated = FALSE, vportInitialized = FALSE; | |
2092 | BOOLEAN addInternalPortAsNetdev = FALSE; | |
2093 | ||
2094 | static const NL_POLICY ovsVportPolicy[] = { | |
2095 | [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE }, | |
2096 | [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE }, | |
2097 | [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ, | |
2098 | .optional = FALSE}, | |
2099 | [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC, | |
2100 | .optional = FALSE }, | |
2101 | [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE }, | |
2102 | }; | |
2103 | ||
2104 | PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)]; | |
2105 | ||
2106 | /* input buffer has been validated while validating write dev op. */ | |
2107 | ASSERT(usrParamsCtx->inputBuffer != NULL); | |
2108 | ||
2109 | /* Output buffer has been validated while validating transact dev op. */ | |
2110 | ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut); | |
2111 | ||
2112 | if (!NlAttrParse((PNL_MSG_HDR)msgIn, | |
2113 | NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN, | |
2114 | NlMsgAttrsLen((PNL_MSG_HDR)msgIn), | |
2115 | ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) { | |
2116 | return STATUS_INVALID_PARAMETER; | |
2117 | } | |
2118 | ||
2119 | portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2120 | portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2121 | portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]); | |
2122 | ||
2123 | /* we are expecting null terminated strings to be passed */ | |
2124 | ASSERT(portName[portNameLen - 1] == '\0'); | |
2125 | ||
2126 | NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0); | |
2127 | ||
2128 | vport = OvsFindVportByOvsName(gOvsSwitchContext, portName); | |
2129 | if (vport) { | |
2130 | nlError = NL_ERROR_EXIST; | |
2131 | goto Cleanup; | |
2132 | } | |
2133 | ||
2134 | if (portName && portType == OVS_VPORT_TYPE_NETDEV && | |
2135 | !strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) { | |
2136 | addInternalPortAsNetdev = TRUE; | |
2137 | } | |
2138 | ||
2139 | if (portName && portType == OVS_VPORT_TYPE_INTERNAL && | |
2140 | strcmp(OVS_DPPORT_INTERNAL_NAME_A, portName)) { | |
2141 | isBridgeInternal = TRUE; | |
2142 | } | |
2143 | ||
2144 | if (portType == OVS_VPORT_TYPE_INTERNAL && !isBridgeInternal) { | |
2145 | vport = gOvsSwitchContext->internalVport; | |
2146 | } else if (portType == OVS_VPORT_TYPE_NETDEV) { | |
2147 | /* External ports can also be looked up like VIF ports. */ | |
2148 | vport = OvsFindVportByHvNameA(gOvsSwitchContext, portName); | |
2149 | } else { | |
2150 | ASSERT(OvsIsTunnelVportType(portType) || | |
2151 | (portType == OVS_VPORT_TYPE_INTERNAL && isBridgeInternal)); | |
2152 | ||
2153 | vport = (POVS_VPORT_ENTRY)OvsAllocateVport(); | |
2154 | if (vport == NULL) { | |
2155 | nlError = NL_ERROR_NOMEM; | |
2156 | goto Cleanup; | |
2157 | } | |
2158 | vportAllocated = TRUE; | |
2159 | ||
2160 | if (OvsIsTunnelVportType(portType)) { | |
2161 | UINT16 transportPortDest = 0; | |
2162 | ||
2163 | switch (portType) { | |
2164 | case OVS_VPORT_TYPE_VXLAN: | |
2165 | transportPortDest = VXLAN_UDP_PORT; | |
2166 | break; | |
2167 | case OVS_VPORT_TYPE_STT: | |
2168 | transportPortDest = STT_TCP_PORT; | |
2169 | break; | |
2170 | default: | |
2171 | break; | |
2172 | } | |
2173 | ||
2174 | PNL_ATTR attr = NlAttrFindNested(vportAttrs[OVS_VPORT_ATTR_OPTIONS], | |
2175 | OVS_TUNNEL_ATTR_DST_PORT); | |
2176 | if (attr) { | |
2177 | transportPortDest = NlAttrGetU16(attr); | |
2178 | } | |
2179 | ||
2180 | status = OvsInitTunnelVport(usrParamsCtx, | |
2181 | vport, | |
2182 | portType, | |
2183 | transportPortDest); | |
2184 | ||
2185 | nlError = NlMapStatusToNlErr(status); | |
2186 | } else { | |
2187 | OvsInitBridgeInternalVport(vport); | |
2188 | } | |
2189 | ||
2190 | vportInitialized = TRUE; | |
2191 | ||
2192 | if (nlError == NL_ERROR_SUCCESS) { | |
2193 | vport->ovsState = OVS_STATE_CONNECTED; | |
2194 | vport->nicState = NdisSwitchNicStateConnected; | |
2195 | ||
2196 | /* | |
2197 | * Allow the vport to be deleted, because there is no | |
2198 | * corresponding hyper-v switch part. | |
2199 | */ | |
2200 | vport->isPresentOnHv = TRUE; | |
2201 | } else { | |
2202 | goto Cleanup; | |
2203 | } | |
2204 | } | |
2205 | ||
2206 | if (!vport) { | |
2207 | nlError = NL_ERROR_INVAL; | |
2208 | goto Cleanup; | |
2209 | } | |
2210 | if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) { | |
2211 | nlError = NL_ERROR_EXIST; | |
2212 | goto Cleanup; | |
2213 | } | |
2214 | ||
2215 | /* Initialize the vport with OVS specific properties. */ | |
2216 | if (addInternalPortAsNetdev != TRUE) { | |
2217 | vport->ovsType = portType; | |
2218 | } | |
2219 | if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) { | |
2220 | /* | |
2221 | * XXX: when we implement the limit for ovs port number to be | |
2222 | * MAXUINT16, we'll need to check the port number received from the | |
2223 | * userspace. | |
2224 | */ | |
2225 | vport->portNo = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]); | |
2226 | } else { | |
2227 | vport->portNo = OvsComputeVportNo(gOvsSwitchContext); | |
2228 | if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) { | |
2229 | nlError = NL_ERROR_NOMEM; | |
2230 | goto Cleanup; | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | /* The ovs port name must be uninitialized. */ | |
2235 | ASSERT(vport->ovsName[0] == '\0'); | |
2236 | ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH); | |
2237 | ||
2238 | RtlCopyMemory(vport->ovsName, portName, portNameLen); | |
2239 | /* if we don't have options, then vport->portOptions will be NULL */ | |
2240 | vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS]; | |
2241 | ||
2242 | /* | |
2243 | * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath, | |
2244 | * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set, | |
2245 | * it means we have an array of pids, instead of a single pid. | |
2246 | * ATM we assume we have one pid only. | |
2247 | */ | |
2248 | vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]); | |
2249 | ||
2250 | status = InitOvsVportCommon(gOvsSwitchContext, vport); | |
2251 | ASSERT(status == STATUS_SUCCESS); | |
2252 | ||
2253 | status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer, | |
2254 | usrParamsCtx->outputLength, | |
2255 | gOvsSwitchContext->dpNo); | |
2256 | ||
2257 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
2258 | ||
2259 | Cleanup: | |
2260 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
2261 | ||
2262 | if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) { | |
2263 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) | |
2264 | usrParamsCtx->outputBuffer; | |
2265 | ||
2266 | if (vport && vportAllocated == TRUE) { | |
2267 | if (vportInitialized == TRUE) { | |
2268 | if (OvsIsTunnelVportType(portType)) { | |
2269 | switch (vport->ovsType) { | |
2270 | case OVS_VPORT_TYPE_VXLAN: | |
2271 | OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL); | |
2272 | break; | |
2273 | case OVS_VPORT_TYPE_STT: | |
2274 | OvsCleanupSttTunnel(vport);; | |
2275 | break; | |
2276 | default: | |
2277 | ASSERT(!"Invalid tunnel port type"); | |
2278 | } | |
2279 | } | |
2280 | } | |
2281 | OvsFreeMemoryWithTag(vport, OVS_VPORT_POOL_TAG); | |
2282 | } | |
2283 | ||
2284 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
2285 | *replyLen = msgError->nlMsg.nlmsgLen; | |
2286 | } | |
2287 | ||
2288 | return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS; | |
2289 | } | |
2290 | ||
2291 | ||
2292 | /* | |
2293 | * -------------------------------------------------------------------------- | |
2294 | * Command Handler for 'OVS_VPORT_CMD_SET'. | |
2295 | * -------------------------------------------------------------------------- | |
2296 | */ | |
2297 | NTSTATUS | |
2298 | OvsSetVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
2299 | UINT32 *replyLen) | |
2300 | { | |
2301 | NDIS_STATUS status = STATUS_SUCCESS; | |
2302 | LOCK_STATE_EX lockState; | |
2303 | ||
2304 | POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer; | |
2305 | POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer; | |
2306 | POVS_VPORT_ENTRY vport = NULL; | |
2307 | NL_ERROR nlError = NL_ERROR_SUCCESS; | |
2308 | ||
2309 | static const NL_POLICY ovsVportPolicy[] = { | |
2310 | [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE }, | |
2311 | [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = TRUE }, | |
2312 | [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ, | |
2313 | .optional = TRUE }, | |
2314 | [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC, | |
2315 | .optional = TRUE }, | |
2316 | [OVS_VPORT_ATTR_STATS] = { .type = NL_A_UNSPEC, | |
2317 | .minLen = sizeof(OVS_VPORT_FULL_STATS), | |
2318 | .maxLen = sizeof(OVS_VPORT_FULL_STATS), | |
2319 | .optional = TRUE }, | |
2320 | [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE }, | |
2321 | }; | |
2322 | PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)]; | |
2323 | ||
2324 | ASSERT(usrParamsCtx->inputBuffer != NULL); | |
2325 | ||
2326 | if (!NlAttrParse((PNL_MSG_HDR)msgIn, | |
2327 | NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN, | |
2328 | NlMsgAttrsLen((PNL_MSG_HDR)msgIn), | |
2329 | ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) { | |
2330 | return STATUS_INVALID_PARAMETER; | |
2331 | } | |
2332 | ||
2333 | /* Output buffer has been validated while validating transact dev op. */ | |
2334 | ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut); | |
2335 | ||
2336 | NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0); | |
2337 | if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) { | |
2338 | PSTR portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2339 | #ifdef DBG | |
2340 | UINT32 portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2341 | #endif | |
2342 | /* the port name is expected to be null-terminated */ | |
2343 | ASSERT(portName[portNameLen - 1] == '\0'); | |
2344 | ||
2345 | vport = OvsFindVportByOvsName(gOvsSwitchContext, portName); | |
2346 | } else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) { | |
2347 | vport = OvsFindVportByPortNo(gOvsSwitchContext, | |
2348 | NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO])); | |
2349 | } | |
2350 | ||
2351 | if (!vport) { | |
2352 | nlError = NL_ERROR_NODEV; | |
2353 | goto Cleanup; | |
2354 | } | |
2355 | ||
2356 | /* | |
2357 | * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath, | |
2358 | * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set, | |
2359 | * it means we have an array of pids, instead of a single pid. | |
2360 | * Currently, we support only one pid. | |
2361 | */ | |
2362 | if (vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]) { | |
2363 | vport->upcallPid = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]); | |
2364 | } | |
2365 | ||
2366 | if (vportAttrs[OVS_VPORT_ATTR_TYPE]) { | |
2367 | OVS_VPORT_TYPE type = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]); | |
2368 | if (type != vport->ovsType) { | |
2369 | nlError = NL_ERROR_INVAL; | |
2370 | goto Cleanup; | |
2371 | } | |
2372 | } | |
2373 | ||
2374 | if (vportAttrs[OVS_VPORT_ATTR_OPTIONS]) { | |
2375 | OVS_LOG_ERROR("Vport options not supported"); | |
2376 | nlError = NL_ERROR_NOTSUPP; | |
2377 | goto Cleanup; | |
2378 | } | |
2379 | ||
2380 | status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer, | |
2381 | usrParamsCtx->outputLength, | |
2382 | gOvsSwitchContext->dpNo); | |
2383 | ||
2384 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
2385 | ||
2386 | Cleanup: | |
2387 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
2388 | ||
2389 | if (nlError != NL_ERROR_SUCCESS) { | |
2390 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) | |
2391 | usrParamsCtx->outputBuffer; | |
2392 | ||
2393 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
2394 | *replyLen = msgError->nlMsg.nlmsgLen; | |
2395 | } | |
2396 | ||
2397 | return STATUS_SUCCESS; | |
2398 | } | |
2399 | ||
2400 | /* | |
2401 | * -------------------------------------------------------------------------- | |
2402 | * Command Handler for 'OVS_VPORT_CMD_DEL'. | |
2403 | * -------------------------------------------------------------------------- | |
2404 | */ | |
2405 | NTSTATUS | |
2406 | OvsDeleteVportCmdHandler(POVS_USER_PARAMS_CONTEXT usrParamsCtx, | |
2407 | UINT32 *replyLen) | |
2408 | { | |
2409 | NDIS_STATUS status = STATUS_SUCCESS; | |
2410 | LOCK_STATE_EX lockState; | |
2411 | ||
2412 | POVS_MESSAGE msgIn = (POVS_MESSAGE)usrParamsCtx->inputBuffer; | |
2413 | POVS_MESSAGE msgOut = (POVS_MESSAGE)usrParamsCtx->outputBuffer; | |
2414 | POVS_VPORT_ENTRY vport = NULL; | |
2415 | NL_ERROR nlError = NL_ERROR_SUCCESS; | |
2416 | PSTR portName = NULL; | |
2417 | UINT32 portNameLen = 0; | |
2418 | ||
2419 | static const NL_POLICY ovsVportPolicy[] = { | |
2420 | [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE }, | |
2421 | [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ, | |
2422 | .optional = TRUE }, | |
2423 | }; | |
2424 | PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)]; | |
2425 | ||
2426 | ASSERT(usrParamsCtx->inputBuffer != NULL); | |
2427 | ||
2428 | if (!NlAttrParse((PNL_MSG_HDR)msgIn, | |
2429 | NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN, | |
2430 | NlMsgAttrsLen((PNL_MSG_HDR)msgIn), | |
2431 | ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) { | |
2432 | return STATUS_INVALID_PARAMETER; | |
2433 | } | |
2434 | ||
2435 | /* Output buffer has been validated while validating transact dev op. */ | |
2436 | ASSERT(msgOut != NULL && usrParamsCtx->outputLength >= sizeof *msgOut); | |
2437 | ||
2438 | NdisAcquireRWLockWrite(gOvsSwitchContext->dispatchLock, &lockState, 0); | |
2439 | if (vportAttrs[OVS_VPORT_ATTR_NAME] != NULL) { | |
2440 | portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2441 | portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2442 | ||
2443 | /* the port name is expected to be null-terminated */ | |
2444 | ASSERT(portName[portNameLen - 1] == '\0'); | |
2445 | ||
2446 | vport = OvsFindVportByOvsName(gOvsSwitchContext, portName); | |
2447 | } | |
2448 | else if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) { | |
2449 | vport = OvsFindVportByPortNo(gOvsSwitchContext, | |
2450 | NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO])); | |
2451 | } | |
2452 | ||
2453 | if (!vport) { | |
2454 | nlError = NL_ERROR_NODEV; | |
2455 | goto Cleanup; | |
2456 | } | |
2457 | ||
2458 | status = OvsCreateMsgFromVport(vport, msgIn, usrParamsCtx->outputBuffer, | |
2459 | usrParamsCtx->outputLength, | |
2460 | gOvsSwitchContext->dpNo); | |
2461 | ||
2462 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
2463 | ||
2464 | /* | |
2465 | * Mark the port as deleted from OVS userspace. If the port does not exist | |
2466 | * on the Hyper-V switch, it gets deallocated. Otherwise, it stays. | |
2467 | */ | |
2468 | status = OvsRemoveAndDeleteVport(usrParamsCtx, | |
2469 | gOvsSwitchContext, | |
2470 | vport, | |
2471 | FALSE, | |
2472 | TRUE); | |
2473 | if (status) { | |
2474 | nlError = NlMapStatusToNlErr(status); | |
2475 | } | |
2476 | ||
2477 | Cleanup: | |
2478 | NdisReleaseRWLock(gOvsSwitchContext->dispatchLock, &lockState); | |
2479 | ||
2480 | if ((nlError != NL_ERROR_SUCCESS) && (nlError != NL_ERROR_PENDING)) { | |
2481 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) | |
2482 | usrParamsCtx->outputBuffer; | |
2483 | ||
2484 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
2485 | *replyLen = msgError->nlMsg.nlmsgLen; | |
2486 | } | |
2487 | ||
2488 | return (status == STATUS_PENDING) ? STATUS_PENDING : STATUS_SUCCESS; | |
2489 | } | |
2490 | ||
2491 | static VOID | |
2492 | OvsTunnelVportPendingUninit(PVOID context, | |
2493 | NTSTATUS status, | |
2494 | UINT32 *replyLen) | |
2495 | { | |
2496 | POVS_TUNFLT_INIT_CONTEXT tunnelContext = | |
2497 | (POVS_TUNFLT_INIT_CONTEXT) context; | |
2498 | POVS_SWITCH_CONTEXT switchContext = tunnelContext->switchContext; | |
2499 | POVS_VPORT_ENTRY vport = tunnelContext->vport; | |
2500 | POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer; | |
2501 | POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer; | |
2502 | NL_ERROR nlError = NlMapStatusToNlErr(status); | |
2503 | LOCK_STATE_EX lockState; | |
2504 | ||
2505 | NdisAcquireRWLockWrite(switchContext->dispatchLock, &lockState, 0); | |
2506 | ||
2507 | if (msgIn && msgOut) { | |
2508 | /* Check the received status to reply to the caller. */ | |
2509 | if (STATUS_SUCCESS == status) { | |
2510 | OvsCreateMsgFromVport(vport, | |
2511 | msgIn, | |
2512 | msgOut, | |
2513 | tunnelContext->outputLength, | |
2514 | switchContext->dpNo); | |
2515 | ||
2516 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
2517 | } else { | |
2518 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR)msgOut; | |
2519 | ||
2520 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
2521 | *replyLen = msgError->nlMsg.nlmsgLen; | |
2522 | } | |
2523 | } | |
2524 | ||
2525 | OvsCleanupVportCommon(switchContext, | |
2526 | vport, | |
2527 | tunnelContext->hvSwitchPort, | |
2528 | tunnelContext->hvDelete, | |
2529 | tunnelContext->ovsDelete); | |
2530 | ||
2531 | NdisReleaseRWLock(switchContext->dispatchLock, &lockState); | |
2532 | } | |
2533 | ||
2534 | static VOID | |
2535 | OvsTunnelVportPendingInit(PVOID context, | |
2536 | NTSTATUS status, | |
2537 | UINT32 *replyLen) | |
2538 | { | |
2539 | POVS_TUNFLT_INIT_CONTEXT tunnelContext = | |
2540 | (POVS_TUNFLT_INIT_CONTEXT) context; | |
2541 | POVS_VPORT_ENTRY vport = tunnelContext->vport; | |
2542 | POVS_MESSAGE msgIn = (POVS_MESSAGE)tunnelContext->inputBuffer; | |
2543 | POVS_MESSAGE msgOut = (POVS_MESSAGE)tunnelContext->outputBuffer; | |
2544 | PCHAR portName; | |
2545 | ULONG portNameLen = 0; | |
2546 | UINT32 portType = 0; | |
2547 | NL_ERROR nlError = NL_ERROR_SUCCESS; | |
2548 | BOOLEAN error = TRUE; | |
2549 | ||
2550 | do { | |
2551 | if (!NT_SUCCESS(status)) { | |
2552 | nlError = NlMapStatusToNlErr(status); | |
2553 | break; | |
2554 | } | |
2555 | ||
2556 | static const NL_POLICY ovsVportPolicy[] = { | |
2557 | [OVS_VPORT_ATTR_PORT_NO] = { .type = NL_A_U32, .optional = TRUE }, | |
2558 | [OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32, .optional = FALSE }, | |
2559 | [OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .maxLen = IFNAMSIZ, | |
2560 | .optional = FALSE }, | |
2561 | [OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_UNSPEC, | |
2562 | .optional = FALSE }, | |
2563 | [OVS_VPORT_ATTR_OPTIONS] = { .type = NL_A_NESTED, .optional = TRUE }, | |
2564 | }; | |
2565 | ||
2566 | PNL_ATTR vportAttrs[ARRAY_SIZE(ovsVportPolicy)]; | |
2567 | ||
2568 | /* input buffer has been validated while validating write dev op. */ | |
2569 | ASSERT(msgIn != NULL); | |
2570 | ||
2571 | /* Output buffer has been validated while validating transact dev op. */ | |
2572 | ASSERT(msgOut != NULL && tunnelContext->outputLength >= sizeof *msgOut); | |
2573 | ||
2574 | if (!NlAttrParse((PNL_MSG_HDR)msgIn, | |
2575 | NLMSG_HDRLEN + GENL_HDRLEN + OVS_HDRLEN, | |
2576 | NlMsgAttrsLen((PNL_MSG_HDR)msgIn), | |
2577 | ovsVportPolicy, vportAttrs, ARRAY_SIZE(vportAttrs))) { | |
2578 | nlError = NL_ERROR_INVAL; | |
2579 | break; | |
2580 | } | |
2581 | ||
2582 | portName = NlAttrGet(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2583 | portNameLen = NlAttrGetSize(vportAttrs[OVS_VPORT_ATTR_NAME]); | |
2584 | portType = NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_TYPE]); | |
2585 | ||
2586 | if (vport->portNo != OVS_DPPORT_NUMBER_INVALID) { | |
2587 | nlError = NL_ERROR_EXIST; | |
2588 | break; | |
2589 | } | |
2590 | ||
2591 | vport->ovsState = OVS_STATE_CONNECTED; | |
2592 | vport->nicState = NdisSwitchNicStateConnected; | |
2593 | ||
2594 | /* | |
2595 | * Allow the vport to be deleted, because there is no | |
2596 | * corresponding hyper-v switch part. | |
2597 | */ | |
2598 | vport->isPresentOnHv = TRUE; | |
2599 | ||
2600 | if (vportAttrs[OVS_VPORT_ATTR_PORT_NO] != NULL) { | |
2601 | /* | |
2602 | * XXX: when we implement the limit for OVS port number to be | |
2603 | * MAXUINT16, we'll need to check the port number received from the | |
2604 | * userspace. | |
2605 | */ | |
2606 | vport->portNo = | |
2607 | NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_PORT_NO]); | |
2608 | } else { | |
2609 | vport->portNo = | |
2610 | OvsComputeVportNo(gOvsSwitchContext); | |
2611 | if (vport->portNo == OVS_DPPORT_NUMBER_INVALID) { | |
2612 | nlError = NL_ERROR_NOMEM; | |
2613 | break; | |
2614 | } | |
2615 | } | |
2616 | ||
2617 | /* The ovs port name must be uninitialized. */ | |
2618 | ASSERT(vport->ovsName[0] == '\0'); | |
2619 | ASSERT(portNameLen <= OVS_MAX_PORT_NAME_LENGTH); | |
2620 | ||
2621 | RtlCopyMemory(vport->ovsName, portName, portNameLen); | |
2622 | /* if we don't have options, then vport->portOptions will be NULL */ | |
2623 | vport->portOptions = vportAttrs[OVS_VPORT_ATTR_OPTIONS]; | |
2624 | ||
2625 | /* | |
2626 | * XXX: when we implement OVS_DP_ATTR_USER_FEATURES in datapath, | |
2627 | * we'll need to check the OVS_DP_F_VPORT_PIDS flag: if it is set, | |
2628 | * it means we have an array of pids, instead of a single pid. | |
2629 | * ATM we assume we have one pid only. | |
2630 | */ | |
2631 | vport->upcallPid = | |
2632 | NlAttrGetU32(vportAttrs[OVS_VPORT_ATTR_UPCALL_PID]); | |
2633 | ||
2634 | status = InitOvsVportCommon(gOvsSwitchContext, vport); | |
2635 | ASSERT(status == STATUS_SUCCESS); | |
2636 | ||
2637 | OvsCreateMsgFromVport(vport, | |
2638 | msgIn, | |
2639 | msgOut, | |
2640 | tunnelContext->outputLength, | |
2641 | gOvsSwitchContext->dpNo); | |
2642 | ||
2643 | *replyLen = msgOut->nlMsg.nlmsgLen; | |
2644 | ||
2645 | error = FALSE; | |
2646 | } while (error); | |
2647 | ||
2648 | if (error) { | |
2649 | POVS_MESSAGE_ERROR msgError = (POVS_MESSAGE_ERROR) msgOut; | |
2650 | ||
2651 | OvsCleanupVxlanTunnel(NULL, vport, NULL, NULL); | |
2652 | OvsFreeMemory(vport); | |
2653 | ||
2654 | NlBuildErrorMsg(msgIn, msgError, nlError); | |
2655 | *replyLen = msgError->nlMsg.nlmsgLen; | |
2656 | } | |
2657 | } |