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bb78cfbe NW |
1 | /**@file\r |
2 | Windows Packet Filter implementation of the EMU_SNP_PROTOCOL that allows the\r | |
3 | emulator to get on real networks.\r | |
4 | \r | |
5 | Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.<BR>\r | |
6 | Portions copyright (c) 2011, Apple Inc. All rights reserved.\r | |
7 | (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>\r | |
8 | \r | |
9 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
10 | \r | |
11 | **/\r | |
12 | #include "WinHost.h"\r | |
13 | \r | |
14 | #define NETWORK_LIBRARY_NAME_U L"SnpNt32Io.dll"\r | |
15 | #define NETWORK_LIBRARY_INITIALIZE "SnpInitialize"\r | |
16 | #define NETWORK_LIBRARY_FINALIZE "SnpFinalize"\r | |
17 | #define NETWORK_LIBRARY_SET_RCV_FILTER "SnpSetReceiveFilter"\r | |
18 | #define NETWORK_LIBRARY_RECEIVE "SnpReceive"\r | |
19 | #define NETWORK_LIBRARY_TRANSMIT "SnpTransmit"\r | |
20 | \r | |
21 | #pragma pack(1)\r | |
22 | typedef struct _NT_NET_INTERFACE_INFO {\r | |
a550d468 MK |
23 | UINT32 InterfaceIndex;\r |
24 | EFI_MAC_ADDRESS MacAddr;\r | |
bb78cfbe NW |
25 | } NT_NET_INTERFACE_INFO;\r |
26 | #pragma pack()\r | |
27 | \r | |
a550d468 MK |
28 | #define NET_ETHER_HEADER_SIZE 14\r |
29 | #define MAX_INTERFACE_INFO_NUMBER 16\r | |
30 | #define SNP_MAX_TX_BUFFER_NUM 65536\r | |
31 | #define SNP_TX_BUFFER_INCREASEMENT 32\r | |
32 | #define DEFAULT_SELECTED_NIC_INDEX 0\r | |
bb78cfbe NW |
33 | \r |
34 | //\r | |
35 | // Functions in Net Library\r | |
36 | //\r | |
37 | typedef\r | |
38 | INT32\r | |
39 | (*NT_NET_INITIALIZE) (\r | |
a550d468 MK |
40 | IN OUT UINT32 *InterfaceCount,\r |
41 | IN OUT NT_NET_INTERFACE_INFO *InterfaceInfoBuffer\r | |
bb78cfbe NW |
42 | );\r |
43 | \r | |
44 | typedef\r | |
45 | INT32\r | |
46 | (*NT_NET_FINALIZE) (\r | |
47 | VOID\r | |
48 | );\r | |
49 | \r | |
50 | typedef\r | |
51 | INT32\r | |
52 | (*NT_NET_SET_RECEIVE_FILTER) (\r | |
a550d468 MK |
53 | IN UINT32 Index,\r |
54 | IN UINT32 EnableFilter,\r | |
55 | IN UINT32 MCastFilterCnt,\r | |
56 | IN EFI_MAC_ADDRESS *MCastFilter\r | |
bb78cfbe NW |
57 | );\r |
58 | \r | |
59 | typedef\r | |
60 | INT32\r | |
61 | (*NT_NET_RECEIVE) (\r | |
a550d468 MK |
62 | IN UINT32 Index,\r |
63 | IN OUT UINT32 *BufferSize,\r | |
64 | OUT VOID *Buffer\r | |
bb78cfbe NW |
65 | );\r |
66 | \r | |
67 | typedef\r | |
68 | INT32\r | |
69 | (*NT_NET_TRANSMIT) (\r | |
a550d468 MK |
70 | IN UINT32 Index,\r |
71 | IN UINT32 HeaderSize,\r | |
72 | IN UINT32 BufferSize,\r | |
73 | IN VOID *Buffer,\r | |
74 | IN EFI_MAC_ADDRESS *SrcAddr,\r | |
75 | IN EFI_MAC_ADDRESS *DestAddr,\r | |
76 | IN UINT16 *Protocol\r | |
bb78cfbe NW |
77 | );\r |
78 | \r | |
79 | typedef struct _NT_NET_UTILITY_TABLE {\r | |
a550d468 MK |
80 | NT_NET_INITIALIZE Initialize;\r |
81 | NT_NET_FINALIZE Finalize;\r | |
82 | NT_NET_SET_RECEIVE_FILTER SetReceiveFilter;\r | |
83 | NT_NET_RECEIVE Receive;\r | |
84 | NT_NET_TRANSMIT Transmit;\r | |
bb78cfbe NW |
85 | } NT_NET_UTILITY_TABLE;\r |
86 | \r | |
87 | //\r | |
88 | // Instance data for each fake SNP instance\r | |
89 | //\r | |
a550d468 | 90 | #define WIN_NT_INSTANCE_SIGNATURE SIGNATURE_32 ('N', 'T', 'I', 'S')\r |
bb78cfbe NW |
91 | \r |
92 | typedef struct {\r | |
a550d468 | 93 | UINT32 Signature;\r |
bb78cfbe NW |
94 | \r |
95 | //\r | |
96 | // Array of the recycled transmit buffer address.\r | |
97 | //\r | |
a550d468 | 98 | UINT64 *RecycledTxBuf;\r |
bb78cfbe NW |
99 | \r |
100 | //\r | |
101 | // Current number of recycled buffer pointers in RecycledTxBuf.\r | |
102 | //\r | |
a550d468 | 103 | UINT32 RecycledTxBufCount;\r |
bb78cfbe NW |
104 | \r |
105 | //\r | |
106 | // The maximum number of recycled buffer pointers in RecycledTxBuf.\r | |
107 | //\r | |
a550d468 MK |
108 | UINT32 MaxRecycledTxBuf;\r |
109 | EFI_SIMPLE_NETWORK_MODE Mode;\r | |
110 | NT_NET_INTERFACE_INFO InterfaceInfo;\r | |
bb78cfbe NW |
111 | } WIN_NT_INSTANCE_DATA;\r |
112 | \r | |
113 | //\r | |
114 | // Instance data for each SNP private instance\r | |
115 | //\r | |
a550d468 | 116 | #define WIN_NT_SIMPLE_NETWORK_PRIVATE_SIGNATURE SIGNATURE_32 ('N', 'T', 's', 'n')\r |
bb78cfbe NW |
117 | \r |
118 | typedef struct {\r | |
a550d468 MK |
119 | UINTN Signature;\r |
120 | EMU_IO_THUNK_PROTOCOL *Thunk;\r | |
121 | EMU_SNP_PROTOCOL EmuSnp;\r | |
122 | EFI_SIMPLE_NETWORK_MODE *Mode;\r | |
123 | HMODULE NetworkLibraryHandle;\r | |
124 | NT_NET_UTILITY_TABLE NtNetUtilityTable;\r | |
125 | WIN_NT_INSTANCE_DATA Instance;\r | |
bb78cfbe NW |
126 | } WIN_NT_SNP_PRIVATE;\r |
127 | \r | |
128 | #define WIN_NT_SNP_PRIVATE_DATA_FROM_THIS(a) \\r | |
129 | CR(a, WIN_NT_SNP_PRIVATE, EmuSnp, WIN_NT_SIMPLE_NETWORK_PRIVATE_SIGNATURE)\r | |
130 | \r | |
bb78cfbe NW |
131 | /**\r |
132 | Register storage for SNP Mode.\r | |
133 | \r | |
134 | @param This Protocol instance pointer.\r | |
135 | @param Mode SimpleNetworkProtocol Mode structure passed into driver.\r | |
136 | \r | |
137 | @retval EFI_SUCCESS The network interface was started.\r | |
138 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
139 | \r | |
140 | **/\r | |
141 | EFI_STATUS\r | |
142 | WinNtSnpCreateMapping (\r | |
143 | IN EMU_SNP_PROTOCOL *This,\r | |
144 | IN EFI_SIMPLE_NETWORK_MODE *Mode\r | |
145 | )\r | |
146 | {\r | |
a550d468 | 147 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
148 | \r |
149 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
150 | \r | |
151 | Private->Mode = Mode;\r | |
152 | \r | |
153 | //\r | |
154 | // Set the broadcast address.\r | |
155 | //\r | |
156 | CopyMem (&Mode->BroadcastAddress, &Private->Instance.Mode.BroadcastAddress, sizeof (EFI_MAC_ADDRESS));\r | |
157 | //\r | |
158 | // Set the MAC address.\r | |
159 | //\r | |
160 | CopyMem (&Mode->CurrentAddress, &Private->Instance.Mode.CurrentAddress, sizeof (EFI_MAC_ADDRESS));\r | |
161 | CopyMem (&Mode->PermanentAddress, &Private->Instance.Mode.PermanentAddress, sizeof (EFI_MAC_ADDRESS));\r | |
162 | \r | |
163 | return EFI_SUCCESS;\r | |
164 | }\r | |
165 | \r | |
166 | /**\r | |
167 | Changes the state of a network interface from "stopped" to "started".\r | |
168 | \r | |
169 | @param This Protocol instance pointer.\r | |
170 | \r | |
171 | @retval EFI_SUCCESS The network interface was started.\r | |
172 | @retval EFI_ALREADY_STARTED The network interface is already in the started state.\r | |
173 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
174 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
175 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | WinNtSnpStart (\r | |
180 | IN EMU_SNP_PROTOCOL *This\r | |
181 | )\r | |
182 | {\r | |
a550d468 | 183 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
184 | \r |
185 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
186 | \r | |
187 | switch (Private->Mode->State) {\r | |
188 | case EfiSimpleNetworkStopped:\r | |
189 | break;\r | |
190 | \r | |
191 | case EfiSimpleNetworkStarted:\r | |
192 | case EfiSimpleNetworkInitialized:\r | |
193 | return EFI_ALREADY_STARTED;\r | |
194 | break;\r | |
195 | \r | |
196 | default:\r | |
197 | return EFI_DEVICE_ERROR;\r | |
198 | break;\r | |
199 | }\r | |
200 | \r | |
201 | Private->Mode->State = EfiSimpleNetworkStarted;\r | |
202 | \r | |
203 | return EFI_SUCCESS;\r | |
204 | }\r | |
205 | \r | |
206 | /**\r | |
207 | Changes the state of a network interface from "started" to "stopped".\r | |
208 | \r | |
209 | @param This Protocol instance pointer.\r | |
210 | \r | |
211 | @retval EFI_SUCCESS The network interface was stopped.\r | |
212 | @retval EFI_ALREADY_STARTED The network interface is already in the stopped state.\r | |
213 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
214 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
215 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
216 | \r | |
217 | **/\r | |
218 | EFI_STATUS\r | |
219 | WinNtSnpStop (\r | |
220 | IN EMU_SNP_PROTOCOL *This\r | |
221 | )\r | |
222 | {\r | |
a550d468 | 223 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
224 | \r |
225 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
226 | \r | |
227 | switch ( Private->Mode->State ) {\r | |
228 | case EfiSimpleNetworkStarted:\r | |
229 | break;\r | |
230 | \r | |
231 | case EfiSimpleNetworkStopped:\r | |
232 | return EFI_NOT_STARTED;\r | |
233 | break;\r | |
234 | \r | |
235 | default:\r | |
236 | return EFI_DEVICE_ERROR;\r | |
237 | break;\r | |
238 | }\r | |
239 | \r | |
240 | Private->Mode->State = EfiSimpleNetworkStopped;\r | |
241 | \r | |
242 | return EFI_SUCCESS;\r | |
243 | }\r | |
244 | \r | |
245 | /**\r | |
246 | Resets a network adapter and allocates the transmit and receive buffers\r | |
247 | required by the network interface; optionally, also requests allocation\r | |
248 | of additional transmit and receive buffers.\r | |
249 | \r | |
250 | @param This The protocol instance pointer.\r | |
251 | @param ExtraRxBufferSize The size, in bytes, of the extra receive buffer space\r | |
252 | that the driver should allocate for the network interface.\r | |
253 | Some network interfaces will not be able to use the extra\r | |
254 | buffer, and the caller will not know if it is actually\r | |
255 | being used.\r | |
256 | @param ExtraTxBufferSize The size, in bytes, of the extra transmit buffer space\r | |
257 | that the driver should allocate for the network interface.\r | |
258 | Some network interfaces will not be able to use the extra\r | |
259 | buffer, and the caller will not know if it is actually\r | |
260 | being used.\r | |
261 | \r | |
262 | @retval EFI_SUCCESS The network interface was initialized.\r | |
263 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
264 | @retval EFI_OUT_OF_RESOURCES There was not enough memory for the transmit and\r | |
265 | receive buffers.\r | |
266 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
267 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
268 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
269 | \r | |
270 | **/\r | |
271 | EFI_STATUS\r | |
272 | WinNtSnpInitialize (\r | |
a550d468 MK |
273 | IN EMU_SNP_PROTOCOL *This,\r |
274 | IN UINTN ExtraRxBufferSize OPTIONAL,\r | |
275 | IN UINTN ExtraTxBufferSize OPTIONAL\r | |
bb78cfbe NW |
276 | )\r |
277 | {\r | |
a550d468 | 278 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
279 | \r |
280 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
281 | \r | |
282 | switch ( Private->Mode->State ) {\r | |
283 | case EfiSimpleNetworkStarted:\r | |
284 | break;\r | |
285 | \r | |
286 | case EfiSimpleNetworkStopped:\r | |
287 | return EFI_NOT_STARTED;\r | |
288 | break;\r | |
289 | \r | |
290 | default:\r | |
291 | return EFI_DEVICE_ERROR;\r | |
292 | break;\r | |
293 | }\r | |
294 | \r | |
a550d468 | 295 | Private->Mode->MCastFilterCount = 0;\r |
bb78cfbe NW |
296 | Private->Mode->ReceiveFilterSetting = 0;\r |
297 | ZeroMem (Private->Mode->MCastFilter, sizeof (Private->Mode->MCastFilter));\r | |
298 | \r | |
299 | Private->Mode->State = EfiSimpleNetworkInitialized;\r | |
300 | \r | |
301 | return EFI_SUCCESS;\r | |
302 | }\r | |
303 | \r | |
304 | /**\r | |
305 | Resets a network adapter and re-initializes it with the parameters that were\r | |
306 | provided in the previous call to Initialize().\r | |
307 | \r | |
308 | @param This The protocol instance pointer.\r | |
309 | @param ExtendedVerification Indicates that the driver may perform a more\r | |
310 | exhaustive verification operation of the device\r | |
311 | during reset.\r | |
312 | \r | |
313 | @retval EFI_SUCCESS The network interface was reset.\r | |
314 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
315 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
316 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
317 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
318 | \r | |
319 | **/\r | |
320 | EFI_STATUS\r | |
321 | WinNtSnpReset (\r | |
a550d468 MK |
322 | IN EMU_SNP_PROTOCOL *This,\r |
323 | IN BOOLEAN ExtendedVerification\r | |
bb78cfbe NW |
324 | )\r |
325 | {\r | |
a550d468 | 326 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
327 | \r |
328 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
329 | \r | |
330 | switch ( Private->Mode->State ) {\r | |
331 | case EfiSimpleNetworkInitialized:\r | |
332 | break;\r | |
333 | \r | |
334 | case EfiSimpleNetworkStopped:\r | |
335 | return EFI_NOT_STARTED;\r | |
336 | break;\r | |
337 | \r | |
338 | default:\r | |
339 | return EFI_DEVICE_ERROR;\r | |
340 | break;\r | |
341 | }\r | |
342 | \r | |
343 | return EFI_SUCCESS;\r | |
344 | }\r | |
345 | \r | |
346 | /**\r | |
347 | Resets a network adapter and leaves it in a state that is safe for\r | |
348 | another driver to initialize.\r | |
349 | \r | |
350 | @param This Protocol instance pointer.\r | |
351 | \r | |
352 | @retval EFI_SUCCESS The network interface was shutdown.\r | |
353 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
354 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
355 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
356 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
357 | \r | |
358 | **/\r | |
359 | EFI_STATUS\r | |
360 | WinNtSnpShutdown (\r | |
361 | IN EMU_SNP_PROTOCOL *This\r | |
362 | )\r | |
363 | {\r | |
a550d468 | 364 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
365 | \r |
366 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
367 | \r | |
368 | switch ( Private->Mode->State ) {\r | |
369 | case EfiSimpleNetworkInitialized:\r | |
370 | break;\r | |
371 | \r | |
372 | case EfiSimpleNetworkStopped:\r | |
373 | return EFI_NOT_STARTED;\r | |
374 | break;\r | |
375 | \r | |
376 | default:\r | |
377 | return EFI_DEVICE_ERROR;\r | |
378 | break;\r | |
379 | }\r | |
380 | \r | |
381 | Private->Mode->State = EfiSimpleNetworkStarted;\r | |
382 | \r | |
383 | Private->Mode->ReceiveFilterSetting = 0;\r | |
a550d468 | 384 | Private->Mode->MCastFilterCount = 0;\r |
bb78cfbe NW |
385 | ZeroMem (Private->Mode->MCastFilter, sizeof (Private->Mode->MCastFilter));\r |
386 | \r | |
387 | return EFI_SUCCESS;\r | |
388 | }\r | |
389 | \r | |
390 | /**\r | |
391 | Manages the multicast receive filters of a network interface.\r | |
392 | \r | |
393 | @param This The protocol instance pointer.\r | |
394 | @param Enable A bit mask of receive filters to enable on the network interface.\r | |
395 | @param Disable A bit mask of receive filters to disable on the network interface.\r | |
396 | @param ResetMCastFilter Set to TRUE to reset the contents of the multicast receive\r | |
397 | filters on the network interface to their default values.\r | |
398 | @param McastFilterCnt Number of multicast HW MAC addresses in the new\r | |
399 | MCastFilter list. This value must be less than or equal to\r | |
400 | the MCastFilterCnt field of EMU_SNP_MODE. This\r | |
401 | field is optional if ResetMCastFilter is TRUE.\r | |
402 | @param MCastFilter A pointer to a list of new multicast receive filter HW MAC\r | |
403 | addresses. This list will replace any existing multicast\r | |
404 | HW MAC address list. This field is optional if\r | |
405 | ResetMCastFilter is TRUE.\r | |
406 | \r | |
407 | @retval EFI_SUCCESS The multicast receive filter list was updated.\r | |
408 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
409 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
410 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
411 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
412 | \r | |
413 | **/\r | |
414 | EFI_STATUS\r | |
415 | WinNtSnpReceiveFilters (\r | |
a550d468 MK |
416 | IN EMU_SNP_PROTOCOL *This,\r |
417 | IN UINT32 Enable,\r | |
418 | IN UINT32 Disable,\r | |
419 | IN BOOLEAN ResetMCastFilter,\r | |
420 | IN UINTN MCastFilterCnt OPTIONAL,\r | |
421 | IN EFI_MAC_ADDRESS *MCastFilter OPTIONAL\r | |
bb78cfbe NW |
422 | )\r |
423 | {\r | |
a550d468 MK |
424 | WIN_NT_SNP_PRIVATE *Private;\r |
425 | INT32 ReturnValue;\r | |
bb78cfbe NW |
426 | \r |
427 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
428 | \r | |
429 | ReturnValue = Private->NtNetUtilityTable.SetReceiveFilter (\r | |
a550d468 MK |
430 | Private->Instance.InterfaceInfo.InterfaceIndex,\r |
431 | Enable,\r | |
432 | (UINT32)MCastFilterCnt,\r | |
433 | MCastFilter\r | |
434 | );\r | |
bb78cfbe NW |
435 | \r |
436 | if (ReturnValue <= 0) {\r | |
437 | return EFI_DEVICE_ERROR;\r | |
438 | }\r | |
439 | \r | |
440 | return EFI_SUCCESS;\r | |
441 | }\r | |
442 | \r | |
443 | /**\r | |
444 | Modifies or resets the current station address, if supported.\r | |
445 | \r | |
446 | @param This The protocol instance pointer.\r | |
447 | @param Reset Flag used to reset the station address to the network interfaces\r | |
448 | permanent address.\r | |
449 | @param New The new station address to be used for the network interface.\r | |
450 | \r | |
451 | @retval EFI_SUCCESS The network interfaces station address was updated.\r | |
452 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
453 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
454 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
455 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
456 | \r | |
457 | **/\r | |
458 | EFI_STATUS\r | |
459 | WinNtSnpStationAddress (\r | |
a550d468 MK |
460 | IN EMU_SNP_PROTOCOL *This,\r |
461 | IN BOOLEAN Reset,\r | |
462 | IN EFI_MAC_ADDRESS *New OPTIONAL\r | |
bb78cfbe NW |
463 | )\r |
464 | {\r | |
a550d468 | 465 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
466 | \r |
467 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
468 | \r | |
469 | return EFI_UNSUPPORTED;\r | |
470 | }\r | |
471 | \r | |
472 | /**\r | |
473 | Resets or collects the statistics on a network interface.\r | |
474 | \r | |
475 | @param This Protocol instance pointer.\r | |
476 | @param Reset Set to TRUE to reset the statistics for the network interface.\r | |
477 | @param StatisticsSize On input the size, in bytes, of StatisticsTable. On\r | |
478 | output the size, in bytes, of the resulting table of\r | |
479 | statistics.\r | |
480 | @param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that\r | |
481 | contains the statistics.\r | |
482 | \r | |
483 | @retval EFI_SUCCESS The statistics were collected from the network interface.\r | |
484 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
485 | @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer\r | |
486 | size needed to hold the statistics is returned in\r | |
487 | StatisticsSize.\r | |
488 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
489 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
490 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
491 | \r | |
492 | **/\r | |
493 | EFI_STATUS\r | |
494 | WinNtSnpStatistics (\r | |
a550d468 MK |
495 | IN EMU_SNP_PROTOCOL *This,\r |
496 | IN BOOLEAN Reset,\r | |
497 | IN OUT UINTN *StatisticsSize OPTIONAL,\r | |
498 | OUT EFI_NETWORK_STATISTICS *StatisticsTable OPTIONAL\r | |
bb78cfbe NW |
499 | )\r |
500 | {\r | |
a550d468 | 501 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
502 | \r |
503 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
504 | \r | |
505 | return EFI_UNSUPPORTED;\r | |
506 | }\r | |
507 | \r | |
508 | /**\r | |
509 | Converts a multicast IP address to a multicast HW MAC address.\r | |
510 | \r | |
511 | @param This The protocol instance pointer.\r | |
512 | @param IPv6 Set to TRUE if the multicast IP address is IPv6 [RFC 2460]. Set\r | |
513 | to FALSE if the multicast IP address is IPv4 [RFC 791].\r | |
514 | @param IP The multicast IP address that is to be converted to a multicast\r | |
515 | HW MAC address.\r | |
516 | @param MAC The multicast HW MAC address that is to be generated from IP.\r | |
517 | \r | |
518 | @retval EFI_SUCCESS The multicast IP address was mapped to the multicast\r | |
519 | HW MAC address.\r | |
520 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
521 | @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer\r | |
522 | size needed to hold the statistics is returned in\r | |
523 | StatisticsSize.\r | |
524 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
525 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
526 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
527 | \r | |
528 | **/\r | |
529 | EFI_STATUS\r | |
530 | WinNtSnpMCastIpToMac (\r | |
a550d468 MK |
531 | IN EMU_SNP_PROTOCOL *This,\r |
532 | IN BOOLEAN IPv6,\r | |
533 | IN EFI_IP_ADDRESS *IP,\r | |
534 | OUT EFI_MAC_ADDRESS *MAC\r | |
bb78cfbe NW |
535 | )\r |
536 | {\r | |
a550d468 | 537 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
538 | \r |
539 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
540 | \r | |
541 | return EFI_UNSUPPORTED;\r | |
542 | }\r | |
543 | \r | |
544 | /**\r | |
545 | Performs read and write operations on the NVRAM device attached to a\r | |
546 | network interface.\r | |
547 | \r | |
548 | @param This The protocol instance pointer.\r | |
549 | @param ReadWrite TRUE for read operations, FALSE for write operations.\r | |
550 | @param Offset Byte offset in the NVRAM device at which to start the read or\r | |
551 | write operation. This must be a multiple of NvRamAccessSize and\r | |
552 | less than NvRamSize.\r | |
553 | @param BufferSize The number of bytes to read or write from the NVRAM device.\r | |
554 | This must also be a multiple of NvramAccessSize.\r | |
555 | @param Buffer A pointer to the data buffer.\r | |
556 | \r | |
557 | @retval EFI_SUCCESS The NVRAM access was performed.\r | |
558 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
559 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
560 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
561 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
562 | \r | |
563 | **/\r | |
564 | EFI_STATUS\r | |
565 | WinNtSnpNvData (\r | |
a550d468 MK |
566 | IN EMU_SNP_PROTOCOL *This,\r |
567 | IN BOOLEAN ReadWrite,\r | |
568 | IN UINTN Offset,\r | |
569 | IN UINTN BufferSize,\r | |
570 | IN OUT VOID *Buffer\r | |
bb78cfbe NW |
571 | )\r |
572 | {\r | |
a550d468 | 573 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
574 | \r |
575 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
576 | \r | |
577 | return EFI_UNSUPPORTED;\r | |
578 | }\r | |
579 | \r | |
580 | /**\r | |
581 | Reads the current interrupt status and recycled transmit buffer status from\r | |
582 | a network interface.\r | |
583 | \r | |
584 | @param This The protocol instance pointer.\r | |
585 | @param InterruptStatus A pointer to the bit mask of the currently active interrupts\r | |
586 | If this is NULL, the interrupt status will not be read from\r | |
587 | the device. If this is not NULL, the interrupt status will\r | |
588 | be read from the device. When the interrupt status is read,\r | |
589 | it will also be cleared. Clearing the transmit interrupt\r | |
590 | does not empty the recycled transmit buffer array.\r | |
591 | @param TxBuf Recycled transmit buffer address. The network interface will\r | |
592 | not transmit if its internal recycled transmit buffer array\r | |
593 | is full. Reading the transmit buffer does not clear the\r | |
594 | transmit interrupt. If this is NULL, then the transmit buffer\r | |
595 | status will not be read. If there are no transmit buffers to\r | |
596 | recycle and TxBuf is not NULL, * TxBuf will be set to NULL.\r | |
597 | \r | |
598 | @retval EFI_SUCCESS The status of the network interface was retrieved.\r | |
599 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
600 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
601 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
602 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
603 | \r | |
604 | **/\r | |
605 | EFI_STATUS\r | |
606 | WinNtSnpGetStatus (\r | |
a550d468 MK |
607 | IN EMU_SNP_PROTOCOL *This,\r |
608 | OUT UINT32 *InterruptStatus OPTIONAL,\r | |
609 | OUT VOID **TxBuf OPTIONAL\r | |
bb78cfbe NW |
610 | )\r |
611 | {\r | |
a550d468 | 612 | WIN_NT_SNP_PRIVATE *Private;\r |
bb78cfbe NW |
613 | \r |
614 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
615 | \r | |
616 | if (TxBuf != NULL) {\r | |
617 | if (Private->Instance.RecycledTxBufCount != 0) {\r | |
a550d468 MK |
618 | Private->Instance.RecycledTxBufCount--;\r |
619 | *((UINT8 **)TxBuf) = (UINT8 *)(UINTN)Private->Instance.RecycledTxBuf[Private->Instance.RecycledTxBufCount];\r | |
bb78cfbe | 620 | } else {\r |
a550d468 | 621 | *((UINT8 **)TxBuf) = NULL;\r |
bb78cfbe NW |
622 | }\r |
623 | }\r | |
624 | \r | |
625 | if (InterruptStatus != NULL) {\r | |
626 | *InterruptStatus = EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT;\r | |
627 | }\r | |
628 | \r | |
629 | return EFI_SUCCESS;\r | |
630 | }\r | |
631 | \r | |
632 | /**\r | |
633 | Places a packet in the transmit queue of a network interface.\r | |
634 | \r | |
635 | @param This The protocol instance pointer.\r | |
636 | @param HeaderSize The size, in bytes, of the media header to be filled in by\r | |
637 | the Transmit() function. If HeaderSize is non-zero, then it\r | |
638 | must be equal to This->Mode->MediaHeaderSize and the DestAddr\r | |
639 | and Protocol parameters must not be NULL.\r | |
640 | @param BufferSize The size, in bytes, of the entire packet (media header and\r | |
641 | data) to be transmitted through the network interface.\r | |
642 | @param Buffer A pointer to the packet (media header followed by data) to be\r | |
643 | transmitted. This parameter cannot be NULL. If HeaderSize is zero,\r | |
644 | then the media header in Buffer must already be filled in by the\r | |
645 | caller. If HeaderSize is non-zero, then the media header will be\r | |
646 | filled in by the Transmit() function.\r | |
647 | @param SrcAddr The source HW MAC address. If HeaderSize is zero, then this parameter\r | |
648 | is ignored. If HeaderSize is non-zero and SrcAddr is NULL, then\r | |
649 | This->Mode->CurrentAddress is used for the source HW MAC address.\r | |
650 | @param DestAddr The destination HW MAC address. If HeaderSize is zero, then this\r | |
651 | parameter is ignored.\r | |
652 | @param Protocol The type of header to build. If HeaderSize is zero, then this\r | |
653 | parameter is ignored. See RFC 1700, section "Ether Types", for\r | |
654 | examples.\r | |
655 | \r | |
656 | @retval EFI_SUCCESS The packet was placed on the transmit queue.\r | |
657 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
658 | @retval EFI_NOT_READY The network interface is too busy to accept this transmit request.\r | |
659 | @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.\r | |
660 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
661 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
662 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
663 | \r | |
664 | **/\r | |
665 | EFI_STATUS\r | |
666 | WinNtSnpTransmit (\r | |
a550d468 MK |
667 | IN EMU_SNP_PROTOCOL *This,\r |
668 | IN UINTN HeaderSize,\r | |
669 | IN UINTN BufferSize,\r | |
670 | IN VOID *Buffer,\r | |
671 | IN EFI_MAC_ADDRESS *SrcAddr OPTIONAL,\r | |
672 | IN EFI_MAC_ADDRESS *DestAddr OPTIONAL,\r | |
673 | IN UINT16 *Protocol OPTIONAL\r | |
bb78cfbe NW |
674 | )\r |
675 | {\r | |
a550d468 MK |
676 | WIN_NT_SNP_PRIVATE *Private;\r |
677 | INT32 ReturnValue;\r | |
678 | UINT64 *Tmp;\r | |
bb78cfbe NW |
679 | \r |
680 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
681 | \r | |
682 | if ((HeaderSize != 0) && (SrcAddr == NULL)) {\r | |
683 | SrcAddr = &Private->Instance.Mode.CurrentAddress;\r | |
684 | }\r | |
685 | \r | |
686 | ReturnValue = Private->NtNetUtilityTable.Transmit (\r | |
a550d468 MK |
687 | Private->Instance.InterfaceInfo.InterfaceIndex,\r |
688 | (UINT32)HeaderSize,\r | |
689 | (UINT32)BufferSize,\r | |
690 | Buffer,\r | |
691 | SrcAddr,\r | |
692 | DestAddr,\r | |
693 | Protocol\r | |
694 | );\r | |
bb78cfbe NW |
695 | \r |
696 | if (ReturnValue < 0) {\r | |
697 | return EFI_DEVICE_ERROR;\r | |
698 | } else {\r | |
699 | if ((Private->Instance.MaxRecycledTxBuf + SNP_TX_BUFFER_INCREASEMENT) >= SNP_MAX_TX_BUFFER_NUM) {\r | |
700 | return EFI_NOT_READY;\r | |
701 | }\r | |
702 | \r | |
703 | if (Private->Instance.RecycledTxBufCount < Private->Instance.MaxRecycledTxBuf) {\r | |
a550d468 MK |
704 | Private->Instance.RecycledTxBuf[Private->Instance.RecycledTxBufCount] = (UINT64)Buffer;\r |
705 | Private->Instance.RecycledTxBufCount++;\r | |
bb78cfbe NW |
706 | } else {\r |
707 | Tmp = malloc (sizeof (UINT64) * (Private->Instance.MaxRecycledTxBuf + SNP_TX_BUFFER_INCREASEMENT));\r | |
708 | if (Tmp == NULL) {\r | |
709 | return EFI_DEVICE_ERROR;\r | |
710 | }\r | |
a550d468 | 711 | \r |
bb78cfbe NW |
712 | CopyMem (Tmp, Private->Instance.RecycledTxBuf, sizeof (UINT64) * Private->Instance.RecycledTxBufCount);\r |
713 | free (Private->Instance.RecycledTxBuf);\r | |
a550d468 | 714 | Private->Instance.RecycledTxBuf = Tmp;\r |
bb78cfbe NW |
715 | Private->Instance.MaxRecycledTxBuf += SNP_TX_BUFFER_INCREASEMENT;\r |
716 | }\r | |
717 | }\r | |
718 | \r | |
719 | return EFI_SUCCESS;\r | |
720 | }\r | |
721 | \r | |
722 | /**\r | |
723 | Receives a packet from a network interface.\r | |
724 | \r | |
725 | @param This The protocol instance pointer.\r | |
726 | @param HeaderSize The size, in bytes, of the media header received on the network\r | |
727 | interface. If this parameter is NULL, then the media header size\r | |
728 | will not be returned.\r | |
729 | @param BufferSize On entry, the size, in bytes, of Buffer. On exit, the size, in\r | |
730 | bytes, of the packet that was received on the network interface.\r | |
731 | @param Buffer A pointer to the data buffer to receive both the media header and\r | |
732 | the data.\r | |
733 | @param SrcAddr The source HW MAC address. If this parameter is NULL, the\r | |
734 | HW MAC source address will not be extracted from the media\r | |
735 | header.\r | |
736 | @param DestAddr The destination HW MAC address. If this parameter is NULL,\r | |
737 | the HW MAC destination address will not be extracted from the\r | |
738 | media header.\r | |
739 | @param Protocol The media header type. If this parameter is NULL, then the\r | |
740 | protocol will not be extracted from the media header. See\r | |
741 | RFC 1700 section "Ether Types" for examples.\r | |
742 | \r | |
743 | @retval EFI_SUCCESS The received data was stored in Buffer, and BufferSize has\r | |
744 | been updated to the number of bytes received.\r | |
745 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
746 | @retval EFI_NOT_READY The network interface is too busy to accept this transmit\r | |
747 | request.\r | |
748 | @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.\r | |
749 | @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.\r | |
750 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
751 | @retval EFI_UNSUPPORTED This function is not supported by the network interface.\r | |
752 | \r | |
753 | **/\r | |
754 | EFI_STATUS\r | |
755 | WinNtSnpReceive (\r | |
a550d468 MK |
756 | IN EMU_SNP_PROTOCOL *This,\r |
757 | OUT UINTN *HeaderSize OPTIONAL,\r | |
758 | IN OUT UINTN *BufferSize,\r | |
759 | OUT VOID *Buffer,\r | |
760 | OUT EFI_MAC_ADDRESS *SrcAddr OPTIONAL,\r | |
761 | OUT EFI_MAC_ADDRESS *DestAddr OPTIONAL,\r | |
762 | OUT UINT16 *Protocol OPTIONAL\r | |
bb78cfbe NW |
763 | )\r |
764 | {\r | |
a550d468 MK |
765 | WIN_NT_SNP_PRIVATE *Private;\r |
766 | INT32 ReturnValue;\r | |
767 | UINTN BufSize;\r | |
bb78cfbe NW |
768 | \r |
769 | Private = WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This);\r | |
770 | \r | |
a550d468 | 771 | BufSize = *BufferSize;\r |
bb78cfbe NW |
772 | \r |
773 | ASSERT (Private->NtNetUtilityTable.Receive != NULL);\r | |
774 | \r | |
775 | ReturnValue = Private->NtNetUtilityTable.Receive (\r | |
a550d468 MK |
776 | Private->Instance.InterfaceInfo.InterfaceIndex,\r |
777 | BufferSize,\r | |
778 | Buffer\r | |
779 | );\r | |
bb78cfbe NW |
780 | \r |
781 | if (ReturnValue < 0) {\r | |
782 | if (ReturnValue == -100) {\r | |
783 | return EFI_BUFFER_TOO_SMALL;\r | |
784 | }\r | |
785 | \r | |
786 | return EFI_DEVICE_ERROR;\r | |
787 | } else if (ReturnValue == 0) {\r | |
788 | return EFI_NOT_READY;\r | |
789 | }\r | |
790 | \r | |
791 | if (HeaderSize != NULL) {\r | |
792 | *HeaderSize = 14;\r | |
793 | }\r | |
794 | \r | |
795 | if (SrcAddr != NULL) {\r | |
796 | ZeroMem (SrcAddr, sizeof (EFI_MAC_ADDRESS));\r | |
a550d468 | 797 | CopyMem (SrcAddr, ((UINT8 *)Buffer) + 6, 6);\r |
bb78cfbe NW |
798 | }\r |
799 | \r | |
800 | if (DestAddr != NULL) {\r | |
801 | ZeroMem (DestAddr, sizeof (EFI_MAC_ADDRESS));\r | |
a550d468 | 802 | CopyMem (DestAddr, ((UINT8 *)Buffer), 6);\r |
bb78cfbe NW |
803 | }\r |
804 | \r | |
805 | if (Protocol != NULL) {\r | |
a550d468 | 806 | *Protocol = NTOHS (*((UINT16 *)(((UINT8 *)Buffer) + 12)));\r |
bb78cfbe NW |
807 | }\r |
808 | \r | |
809 | return (*BufferSize <= BufSize) ? EFI_SUCCESS : EFI_BUFFER_TOO_SMALL;\r | |
810 | }\r | |
811 | \r | |
812 | /**\r | |
813 | Initialize the snpnt32 driver instance.\r | |
814 | \r | |
815 | @param Instance Pointer to the instance context data.\r | |
816 | @param NetInfo Pointer to the interface info.\r | |
817 | \r | |
818 | @retval EFI_SUCCESS The driver instance is initialized.\r | |
819 | @retval other Initialization errors.\r | |
820 | \r | |
821 | **/\r | |
822 | EFI_STATUS\r | |
823 | WinNtInitializeInstanceData (\r | |
a550d468 MK |
824 | IN OUT WIN_NT_INSTANCE_DATA *Instance,\r |
825 | IN NT_NET_INTERFACE_INFO *NetInfo\r | |
bb78cfbe NW |
826 | )\r |
827 | {\r | |
a550d468 | 828 | if ((Instance == NULL) || (NetInfo == NULL)) {\r |
bb78cfbe NW |
829 | return EFI_INVALID_PARAMETER;\r |
830 | }\r | |
831 | \r | |
832 | ZeroMem (Instance, sizeof (WIN_NT_INSTANCE_DATA));\r | |
833 | \r | |
a550d468 MK |
834 | Instance->Signature = WIN_NT_INSTANCE_SIGNATURE;\r |
835 | Instance->RecycledTxBufCount = 0;\r | |
836 | Instance->MaxRecycledTxBuf = 32;\r | |
837 | Instance->Mode.State = EfiSimpleNetworkInitialized;\r | |
838 | Instance->Mode.HwAddressSize = NET_ETHER_ADDR_LEN;\r | |
839 | Instance->Mode.MediaHeaderSize = NET_ETHER_HEADER_SIZE;\r | |
840 | Instance->Mode.MaxPacketSize = 1500;\r | |
841 | Instance->Mode.MaxMCastFilterCount = MAX_MCAST_FILTER_CNT;\r | |
842 | Instance->Mode.IfType = NET_IFTYPE_ETHERNET;\r | |
bb78cfbe | 843 | Instance->Mode.MediaPresentSupported = TRUE;\r |
a550d468 | 844 | Instance->Mode.MediaPresent = TRUE;\r |
bb78cfbe NW |
845 | \r |
846 | //\r | |
847 | // Allocate the RecycledTxBuf.\r | |
848 | //\r | |
849 | Instance->RecycledTxBuf = malloc (sizeof (UINT64) * Instance->MaxRecycledTxBuf);\r | |
850 | if (Instance->RecycledTxBuf == NULL) {\r | |
851 | return EFI_OUT_OF_RESOURCES;\r | |
852 | }\r | |
853 | \r | |
854 | //\r | |
855 | // Set the interface information.\r | |
856 | //\r | |
857 | CopyMem (&Instance->InterfaceInfo, NetInfo, sizeof (Instance->InterfaceInfo));\r | |
858 | \r | |
bb78cfbe NW |
859 | //\r |
860 | // Set broadcast address\r | |
861 | //\r | |
862 | SetMem (&Instance->Mode.BroadcastAddress, sizeof (EFI_MAC_ADDRESS), 0xFF);\r | |
863 | \r | |
864 | //\r | |
865 | // Copy Current/PermanentAddress MAC address\r | |
866 | //\r | |
a550d468 MK |
867 | CopyMem (&Instance->Mode.CurrentAddress, &Instance->InterfaceInfo.MacAddr, sizeof (Instance->Mode.CurrentAddress));\r |
868 | CopyMem (&Instance->Mode.PermanentAddress, &Instance->InterfaceInfo.MacAddr, sizeof (Instance->Mode.PermanentAddress));\r | |
bb78cfbe NW |
869 | \r |
870 | //\r | |
871 | // Since the fake SNP is based on a real NIC, to avoid conflict with the host\r | |
872 | // NIC network stack, we use a different MAC address.\r | |
873 | // So just change the last byte of the MAC address for the real NIC.\r | |
874 | //\r | |
875 | Instance->Mode.CurrentAddress.Addr[NET_ETHER_ADDR_LEN - 1]++;\r | |
876 | \r | |
877 | return EFI_SUCCESS;\r | |
878 | }\r | |
879 | \r | |
880 | /**\r | |
881 | Initialize the net utility data.\r | |
882 | \r | |
883 | @param This Pointer to the private data.\r | |
884 | @param ActiveInstance The active network interface.\r | |
885 | \r | |
886 | @retval EFI_SUCCESS The global data is initialized.\r | |
887 | @retval EFI_NOT_FOUND The required DLL is not found.\r | |
888 | @retval EFI_DEVICE_ERROR Error initialize network utility library.\r | |
889 | @retval other Other errors.\r | |
890 | \r | |
891 | **/\r | |
892 | EFI_STATUS\r | |
893 | WintNtInitializeNetUtilityData (\r | |
a550d468 | 894 | IN OUT WIN_NT_SNP_PRIVATE *Private,\r |
bb78cfbe NW |
895 | IN UINT8 ActiveInstance\r |
896 | )\r | |
897 | {\r | |
a550d468 MK |
898 | EFI_STATUS Status;\r |
899 | CHAR16 *DllFileNameU;\r | |
900 | INT32 ReturnValue;\r | |
901 | BOOLEAN NetUtilityLibInitDone;\r | |
902 | NT_NET_INTERFACE_INFO NetInterfaceInfoBuffer[MAX_INTERFACE_INFO_NUMBER];\r | |
903 | UINT32 InterfaceCount;\r | |
904 | UINT8 ActiveInterfaceIndex;\r | |
bb78cfbe NW |
905 | \r |
906 | if (Private == NULL) {\r | |
a550d468 | 907 | return EFI_INVALID_PARAMETER;\r |
bb78cfbe NW |
908 | }\r |
909 | \r | |
910 | NetUtilityLibInitDone = FALSE;\r | |
911 | InterfaceCount = MAX_INTERFACE_INFO_NUMBER;\r | |
912 | DllFileNameU = NETWORK_LIBRARY_NAME_U;\r | |
913 | \r | |
914 | //\r | |
915 | // Load network utility library\r | |
916 | //\r | |
917 | Private->NetworkLibraryHandle = LoadLibraryEx (DllFileNameU, NULL, 0);\r | |
918 | if (NULL == Private->NetworkLibraryHandle) {\r | |
919 | return EFI_NOT_FOUND;\r | |
920 | }\r | |
921 | \r | |
a550d468 | 922 | Private->NtNetUtilityTable.Initialize = (NT_NET_INITIALIZE)GetProcAddress (Private->NetworkLibraryHandle, NETWORK_LIBRARY_INITIALIZE);\r |
bb78cfbe NW |
923 | if (NULL == Private->NtNetUtilityTable.Initialize) {\r |
924 | Status = EFI_NOT_FOUND;\r | |
925 | goto ErrorReturn;\r | |
926 | }\r | |
927 | \r | |
a550d468 | 928 | Private->NtNetUtilityTable.Finalize = (NT_NET_FINALIZE)GetProcAddress (Private->NetworkLibraryHandle, NETWORK_LIBRARY_FINALIZE);\r |
bb78cfbe NW |
929 | if (NULL == Private->NtNetUtilityTable.Finalize) {\r |
930 | Status = EFI_NOT_FOUND;\r | |
931 | goto ErrorReturn;\r | |
932 | }\r | |
933 | \r | |
a550d468 | 934 | Private->NtNetUtilityTable.SetReceiveFilter = (NT_NET_SET_RECEIVE_FILTER)GetProcAddress (Private->NetworkLibraryHandle, NETWORK_LIBRARY_SET_RCV_FILTER);\r |
bb78cfbe NW |
935 | if (NULL == Private->NtNetUtilityTable.SetReceiveFilter) {\r |
936 | Status = EFI_NOT_FOUND;\r | |
937 | goto ErrorReturn;\r | |
938 | }\r | |
939 | \r | |
a550d468 | 940 | Private->NtNetUtilityTable.Receive = (NT_NET_RECEIVE)GetProcAddress (Private->NetworkLibraryHandle, NETWORK_LIBRARY_RECEIVE);\r |
bb78cfbe NW |
941 | if (NULL == Private->NtNetUtilityTable.Receive) {\r |
942 | Status = EFI_NOT_FOUND;\r | |
943 | goto ErrorReturn;\r | |
944 | }\r | |
945 | \r | |
a550d468 | 946 | Private->NtNetUtilityTable.Transmit = (NT_NET_TRANSMIT)GetProcAddress (Private->NetworkLibraryHandle, NETWORK_LIBRARY_TRANSMIT);\r |
bb78cfbe NW |
947 | if (NULL == Private->NtNetUtilityTable.Transmit) {\r |
948 | Status = EFI_NOT_FOUND;\r | |
949 | goto ErrorReturn;\r | |
950 | }\r | |
951 | \r | |
952 | //\r | |
953 | // Initialize the network utility library\r | |
954 | // And enumerate the interfaces in emulator host\r | |
955 | //\r | |
956 | ReturnValue = Private->NtNetUtilityTable.Initialize (&InterfaceCount, &NetInterfaceInfoBuffer[0]);\r | |
957 | if (ReturnValue <= 0) {\r | |
958 | Status = EFI_DEVICE_ERROR;\r | |
959 | goto ErrorReturn;\r | |
960 | }\r | |
961 | \r | |
962 | NetUtilityLibInitDone = TRUE;\r | |
963 | \r | |
964 | if (InterfaceCount == 0) {\r | |
965 | Status = EFI_NOT_FOUND;\r | |
966 | goto ErrorReturn;\r | |
967 | }\r | |
968 | \r | |
969 | DEBUG ((DEBUG_INFO, "%a, total %d interface(s) found\n", __FUNCTION__, InterfaceCount));\r | |
970 | //\r | |
971 | // Active interface index is set to first interface if given instance does\r | |
972 | // not exist.\r | |
973 | //\r | |
974 | ActiveInterfaceIndex = (ActiveInstance >= InterfaceCount ? DEFAULT_SELECTED_NIC_INDEX : ActiveInstance);\r | |
975 | \r | |
976 | //\r | |
977 | // Initialize instance\r | |
978 | //\r | |
979 | Status = WinNtInitializeInstanceData (&Private->Instance, &NetInterfaceInfoBuffer[ActiveInterfaceIndex]);\r | |
980 | if (EFI_ERROR (Status)) {\r | |
a550d468 | 981 | goto ErrorReturn;\r |
bb78cfbe NW |
982 | }\r |
983 | \r | |
984 | return EFI_SUCCESS;\r | |
985 | \r | |
986 | ErrorReturn:\r | |
987 | \r | |
988 | if (Private->Instance.RecycledTxBuf != NULL) {\r | |
a550d468 | 989 | free (Private->Instance.RecycledTxBuf);\r |
bb78cfbe NW |
990 | }\r |
991 | \r | |
992 | if (NetUtilityLibInitDone) {\r | |
993 | if (Private->NtNetUtilityTable.Finalize != NULL) {\r | |
994 | Private->NtNetUtilityTable.Finalize ();\r | |
995 | Private->NtNetUtilityTable.Finalize = NULL;\r | |
996 | }\r | |
997 | }\r | |
998 | \r | |
999 | return Status;\r | |
1000 | }\r | |
1001 | \r | |
1002 | /**\r | |
1003 | Release the net utility data.\r | |
1004 | \r | |
1005 | @param This Pointer to the private data.\r | |
1006 | \r | |
1007 | @retval EFI_SUCCESS The global data is released.\r | |
1008 | @retval other Other errors.\r | |
1009 | \r | |
1010 | **/\r | |
1011 | EFI_STATUS\r | |
1012 | WintNtReleaseNetUtilityData (\r | |
a550d468 | 1013 | IN OUT WIN_NT_SNP_PRIVATE *Private\r |
bb78cfbe NW |
1014 | )\r |
1015 | {\r | |
1016 | if (Private == NULL) {\r | |
1017 | return EFI_INVALID_PARAMETER;\r | |
1018 | }\r | |
1019 | \r | |
1020 | if (Private->Instance.RecycledTxBuf != NULL) {\r | |
a550d468 | 1021 | free (Private->Instance.RecycledTxBuf);\r |
bb78cfbe NW |
1022 | }\r |
1023 | \r | |
1024 | if (Private->NtNetUtilityTable.Finalize != NULL) {\r | |
1025 | Private->NtNetUtilityTable.Finalize ();\r | |
1026 | }\r | |
1027 | \r | |
1028 | FreeLibrary (Private->NetworkLibraryHandle);\r | |
1029 | \r | |
1030 | return EFI_SUCCESS;\r | |
1031 | }\r | |
1032 | \r | |
a550d468 | 1033 | EMU_SNP_PROTOCOL mWinNtSnpProtocol = {\r |
bb78cfbe NW |
1034 | WinNtSnpCreateMapping,\r |
1035 | WinNtSnpStart,\r | |
1036 | WinNtSnpStop,\r | |
1037 | WinNtSnpInitialize,\r | |
1038 | WinNtSnpReset,\r | |
1039 | WinNtSnpShutdown,\r | |
1040 | WinNtSnpReceiveFilters,\r | |
1041 | WinNtSnpStationAddress,\r | |
1042 | WinNtSnpStatistics,\r | |
1043 | WinNtSnpMCastIpToMac,\r | |
1044 | WinNtSnpNvData,\r | |
1045 | WinNtSnpGetStatus,\r | |
1046 | WinNtSnpTransmit,\r | |
1047 | WinNtSnpReceive\r | |
1048 | };\r | |
1049 | \r | |
1050 | /**\r | |
1051 | Open SNP thunk protocol.\r | |
1052 | \r | |
1053 | @param This Pointer to the thunk protocol instance.\r | |
1054 | \r | |
1055 | @retval EFI_SUCCESS SNP thunk protocol is opened successfully.\r | |
1056 | @retval EFI_UNSUPPORTED This is not SNP thunk protocol.\r | |
1057 | @retval EFI_OUT_OF_RESOURCES Not enough memory.\r | |
1058 | @retval other Other errors.\r | |
1059 | \r | |
1060 | **/\r | |
1061 | EFI_STATUS\r | |
1062 | WinNtSnpThunkOpen (\r | |
a550d468 | 1063 | IN EMU_IO_THUNK_PROTOCOL *This\r |
bb78cfbe NW |
1064 | )\r |
1065 | {\r | |
1066 | WIN_NT_SNP_PRIVATE *Private;\r | |
1067 | UINT8 HostInterfaceIndex;\r | |
1068 | \r | |
1069 | HostInterfaceIndex = 0;\r | |
1070 | \r | |
1071 | if (This->Private != NULL) {\r | |
1072 | return EFI_ALREADY_STARTED;\r | |
1073 | }\r | |
1074 | \r | |
1075 | if (!CompareGuid (This->Protocol, &gEmuSnpProtocolGuid)) {\r | |
1076 | return EFI_UNSUPPORTED;\r | |
1077 | }\r | |
1078 | \r | |
1079 | Private = malloc (sizeof (WIN_NT_SNP_PRIVATE));\r | |
1080 | if (Private == NULL) {\r | |
1081 | return EFI_OUT_OF_RESOURCES;\r | |
1082 | }\r | |
1083 | \r | |
1084 | Private->Signature = WIN_NT_SIMPLE_NETWORK_PRIVATE_SIGNATURE;\r | |
1085 | Private->Thunk = This;\r | |
1086 | CopyMem (&Private->EmuSnp, &mWinNtSnpProtocol, sizeof (mWinNtSnpProtocol));\r | |
1087 | \r | |
1088 | This->Interface = &Private->EmuSnp;\r | |
1089 | This->Private = Private;\r | |
1090 | \r | |
a550d468 | 1091 | if ((This->ConfigString != NULL) && (This->ConfigString[0] != '\0')) {\r |
bb78cfbe NW |
1092 | HostInterfaceIndex = (UINT8)StrDecimalToUintn (This->ConfigString);\r |
1093 | }\r | |
1094 | \r | |
1095 | return WintNtInitializeNetUtilityData (Private, HostInterfaceIndex);\r | |
1096 | }\r | |
1097 | \r | |
1098 | /**\r | |
1099 | Close SNP thunk protocol.\r | |
1100 | \r | |
1101 | @param This Pointer to the thunk protocol instance.\r | |
1102 | \r | |
1103 | @retval EFI_SUCCESS SNP thunk protocol is closed successfully.\r | |
1104 | @retval EFI_UNSUPPORTED This is not SNP thunk protocol.\r | |
1105 | @retval other Other errors.\r | |
1106 | \r | |
1107 | **/\r | |
1108 | EFI_STATUS\r | |
1109 | WinNtSnpThunkClose (\r | |
a550d468 | 1110 | IN EMU_IO_THUNK_PROTOCOL *This\r |
bb78cfbe NW |
1111 | )\r |
1112 | {\r | |
1113 | WIN_NT_SNP_PRIVATE *Private;\r | |
1114 | \r | |
1115 | if (!CompareGuid (This->Protocol, &gEmuSnpProtocolGuid)) {\r | |
1116 | return EFI_UNSUPPORTED;\r | |
1117 | }\r | |
1118 | \r | |
1119 | Private = This->Private;\r | |
1120 | WintNtReleaseNetUtilityData (Private);\r | |
1121 | free (Private);\r | |
1122 | \r | |
1123 | return EFI_SUCCESS;\r | |
1124 | }\r | |
1125 | \r | |
a550d468 | 1126 | EMU_IO_THUNK_PROTOCOL mWinNtSnpThunkIo = {\r |
bb78cfbe NW |
1127 | &gEmuSnpProtocolGuid,\r |
1128 | NULL,\r | |
1129 | NULL,\r | |
1130 | 0,\r | |
1131 | WinNtSnpThunkOpen,\r | |
1132 | WinNtSnpThunkClose,\r | |
1133 | NULL\r | |
1134 | };\r |