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8a67d61d 1/** @file\r
4cda7726 2 UEFI Component Name(2) protocol implementation for SnpDxe driver.\r
8a67d61d 3\r
d1102dba 4Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r
9d510e61 5SPDX-License-Identifier: BSD-2-Clause-Patent\r
8a67d61d 6\r
8a67d61d 7**/\r
8\r
8a67d61d 9#include "Snp.h"\r
10\r
11//\r
12// EFI Component Name Functions\r
13//\r
d1050b9d 14\r
83cbd279 15/**\r
16 Retrieves a Unicode string that is the user readable name of the driver.\r
17\r
18 This function retrieves the user readable name of a driver in the form of a\r
19 Unicode string. If the driver specified by This has a user readable name in\r
20 the language specified by Language, then a pointer to the driver name is\r
21 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
22 by This does not support the language specified by Language,\r
23 then EFI_UNSUPPORTED is returned.\r
24\r
25 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
26 EFI_COMPONENT_NAME_PROTOCOL instance.\r
27\r
28 @param Language[in] A pointer to a Null-terminated ASCII string\r
29 array indicating the language. This is the\r
30 language of the driver name that the caller is\r
31 requesting, and it must match one of the\r
32 languages specified in SupportedLanguages. The\r
33 number of languages supported by a driver is up\r
34 to the driver writer. Language is specified\r
0254efc0 35 in RFC 4646 or ISO 639-2 language code format.\r
83cbd279 36\r
37 @param DriverName[out] A pointer to the Unicode string to return.\r
38 This Unicode string is the name of the\r
39 driver specified by This in the language\r
40 specified by Language.\r
41\r
42 @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
43 This and the language specified by Language was\r
44 returned in DriverName.\r
45\r
46 @retval EFI_INVALID_PARAMETER Language is NULL.\r
47\r
48 @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
49\r
50 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
51 the language specified by Language.\r
52\r
53**/\r
8a67d61d 54EFI_STATUS\r
55EFIAPI\r
56SimpleNetworkComponentNameGetDriverName (\r
57 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
58 IN CHAR8 *Language,\r
59 OUT CHAR16 **DriverName\r
60 );\r
61\r
83cbd279 62/**\r
63 Retrieves a Unicode string that is the user readable name of the controller\r
64 that is being managed by a driver.\r
65\r
66 This function retrieves the user readable name of the controller specified by\r
67 ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
68 driver specified by This has a user readable name in the language specified by\r
69 Language, then a pointer to the controller name is returned in ControllerName,\r
70 and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
71 managing the controller specified by ControllerHandle and ChildHandle,\r
72 then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
73 support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
74\r
75 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
76 EFI_COMPONENT_NAME_PROTOCOL instance.\r
77\r
78 @param ControllerHandle[in] The handle of a controller that the driver\r
79 specified by This is managing. This handle\r
80 specifies the controller whose name is to be\r
81 returned.\r
82\r
83 @param ChildHandle[in] The handle of the child controller to retrieve\r
84 the name of. This is an optional parameter that\r
85 may be NULL. It will be NULL for device\r
86 drivers. It will also be NULL for a bus drivers\r
87 that wish to retrieve the name of the bus\r
88 controller. It will not be NULL for a bus\r
89 driver that wishes to retrieve the name of a\r
90 child controller.\r
91\r
92 @param Language[in] A pointer to a Null-terminated ASCII string\r
93 array indicating the language. This is the\r
94 language of the driver name that the caller is\r
95 requesting, and it must match one of the\r
96 languages specified in SupportedLanguages. The\r
97 number of languages supported by a driver is up\r
98 to the driver writer. Language is specified in\r
0254efc0 99 RFC 4646 or ISO 639-2 language code format.\r
83cbd279 100\r
101 @param ControllerName[out] A pointer to the Unicode string to return.\r
102 This Unicode string is the name of the\r
103 controller specified by ControllerHandle and\r
104 ChildHandle in the language specified by\r
105 Language from the point of view of the driver\r
106 specified by This.\r
107\r
108 @retval EFI_SUCCESS The Unicode string for the user readable name in\r
109 the language specified by Language for the\r
110 driver specified by This was returned in\r
111 DriverName.\r
112\r
284ee2e8 113 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
83cbd279 114\r
115 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
116 EFI_HANDLE.\r
117\r
118 @retval EFI_INVALID_PARAMETER Language is NULL.\r
119\r
120 @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
121\r
122 @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
123 managing the controller specified by\r
124 ControllerHandle and ChildHandle.\r
125\r
126 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
127 the language specified by Language.\r
128\r
129**/\r
8a67d61d 130EFI_STATUS\r
131EFIAPI\r
132SimpleNetworkComponentNameGetControllerName (\r
d1050b9d
MK
133 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
134 IN EFI_HANDLE ControllerHandle,\r
135 IN EFI_HANDLE ChildHandle OPTIONAL,\r
136 IN CHAR8 *Language,\r
137 OUT CHAR16 **ControllerName\r
8a67d61d 138 );\r
139\r
140//\r
141// EFI Component Name Protocol\r
142//\r
1307dcd7 143GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gSimpleNetworkComponentName = {\r
8a67d61d 144 SimpleNetworkComponentNameGetDriverName,\r
145 SimpleNetworkComponentNameGetControllerName,\r
146 "eng"\r
1307dcd7 147};\r
83cbd279 148\r
149//\r
150// EFI Component Name 2 Protocol\r
151//\r
d1050b9d
MK
152GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gSimpleNetworkComponentName2 = {\r
153 (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)SimpleNetworkComponentNameGetDriverName,\r
154 (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)SimpleNetworkComponentNameGetControllerName,\r
83cbd279 155 "en"\r
1307dcd7 156};\r
83cbd279 157\r
d1050b9d 158GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSimpleNetworkDriverNameTable[] = {\r
8a67d61d 159 {\r
83cbd279 160 "eng;en",\r
8a67d61d 161 L"Simple Network Protocol Driver"\r
162 },\r
163 {\r
164 NULL,\r
165 NULL\r
166 }\r
167};\r
168\r
d1050b9d 169GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gSimpleNetworkControllerNameTable = NULL;\r
216f7970 170\r
83cbd279 171/**\r
172 Retrieves a Unicode string that is the user readable name of the driver.\r
173\r
174 This function retrieves the user readable name of a driver in the form of a\r
175 Unicode string. If the driver specified by This has a user readable name in\r
176 the language specified by Language, then a pointer to the driver name is\r
177 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
178 by This does not support the language specified by Language,\r
179 then EFI_UNSUPPORTED is returned.\r
180\r
181 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
182 EFI_COMPONENT_NAME_PROTOCOL instance.\r
183\r
184 @param Language[in] A pointer to a Null-terminated ASCII string\r
185 array indicating the language. This is the\r
186 language of the driver name that the caller is\r
187 requesting, and it must match one of the\r
188 languages specified in SupportedLanguages. The\r
189 number of languages supported by a driver is up\r
190 to the driver writer. Language is specified\r
0254efc0 191 in RFC 4646 or ISO 639-2 language code format.\r
83cbd279 192\r
193 @param DriverName[out] A pointer to the Unicode string to return.\r
194 This Unicode string is the name of the\r
195 driver specified by This in the language\r
196 specified by Language.\r
197\r
198 @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
199 This and the language specified by Language was\r
200 returned in DriverName.\r
201\r
202 @retval EFI_INVALID_PARAMETER Language is NULL.\r
203\r
204 @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
205\r
206 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
207 the language specified by Language.\r
208\r
209**/\r
8a67d61d 210EFI_STATUS\r
211EFIAPI\r
212SimpleNetworkComponentNameGetDriverName (\r
213 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
214 IN CHAR8 *Language,\r
215 OUT CHAR16 **DriverName\r
216 )\r
8a67d61d 217{\r
83cbd279 218 return LookupUnicodeString2 (\r
219 Language,\r
220 This->SupportedLanguages,\r
221 mSimpleNetworkDriverNameTable,\r
222 DriverName,\r
223 (BOOLEAN)(This == &gSimpleNetworkComponentName)\r
224 );\r
8a67d61d 225}\r
226\r
216f7970 227/**\r
228 Update the component name for the Snp child handle.\r
229\r
230 @param Snp[in] A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL.\r
231\r
d1102dba 232\r
216f7970 233 @retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.\r
234 @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r
d1102dba 235\r
216f7970 236**/\r
237EFI_STATUS\r
238UpdateName (\r
d1050b9d 239 IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
216f7970 240 )\r
241{\r
d1050b9d
MK
242 EFI_STATUS Status;\r
243 CHAR16 HandleName[80];\r
244 UINTN OffSet;\r
245 UINTN Index;\r
216f7970 246\r
247 if (Snp == NULL) {\r
248 return EFI_INVALID_PARAMETER;\r
249 }\r
250\r
d1050b9d 251 OffSet = 0;\r
216f7970 252 OffSet += UnicodeSPrint (\r
253 HandleName,\r
254 sizeof (HandleName),\r
255 L"SNP (MAC="\r
256 );\r
257 for (Index = 0; Index < Snp->Mode->HwAddressSize; Index++) {\r
258 OffSet += UnicodeSPrint (\r
259 HandleName + OffSet,\r
f8c075d1 260 sizeof (HandleName) - OffSet * sizeof (CHAR16),\r
216f7970 261 L"%02X-",\r
262 Snp->Mode->CurrentAddress.Addr[Index]\r
263 );\r
264 }\r
d1050b9d 265\r
44833d44 266 ASSERT (OffSet > 0);\r
216f7970 267 //\r
268 // Remove the last '-'\r
269 //\r
270 OffSet--;\r
271 OffSet += UnicodeSPrint (\r
f8c075d1 272 HandleName + OffSet,\r
273 sizeof (HandleName) - OffSet * sizeof (CHAR16),\r
216f7970 274 L")"\r
275 );\r
276 if (gSimpleNetworkControllerNameTable != NULL) {\r
277 FreeUnicodeStringTable (gSimpleNetworkControllerNameTable);\r
278 gSimpleNetworkControllerNameTable = NULL;\r
279 }\r
d1102dba 280\r
216f7970 281 Status = AddUnicodeString2 (\r
282 "eng",\r
283 gSimpleNetworkComponentName.SupportedLanguages,\r
284 &gSimpleNetworkControllerNameTable,\r
285 HandleName,\r
286 TRUE\r
287 );\r
288 if (EFI_ERROR (Status)) {\r
289 return Status;\r
290 }\r
d1102dba 291\r
216f7970 292 return AddUnicodeString2 (\r
293 "en",\r
294 gSimpleNetworkComponentName2.SupportedLanguages,\r
295 &gSimpleNetworkControllerNameTable,\r
296 HandleName,\r
297 FALSE\r
298 );\r
299}\r
300\r
83cbd279 301/**\r
302 Retrieves a Unicode string that is the user readable name of the controller\r
303 that is being managed by a driver.\r
304\r
305 This function retrieves the user readable name of the controller specified by\r
306 ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
307 driver specified by This has a user readable name in the language specified by\r
308 Language, then a pointer to the controller name is returned in ControllerName,\r
309 and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
310 managing the controller specified by ControllerHandle and ChildHandle,\r
311 then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
d1102dba
LG
312 support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
313 Currently not implemented.\r
83cbd279 314\r
315 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
316 EFI_COMPONENT_NAME_PROTOCOL instance.\r
317\r
318 @param ControllerHandle[in] The handle of a controller that the driver\r
319 specified by This is managing. This handle\r
320 specifies the controller whose name is to be\r
321 returned.\r
322\r
323 @param ChildHandle[in] The handle of the child controller to retrieve\r
324 the name of. This is an optional parameter that\r
325 may be NULL. It will be NULL for device\r
326 drivers. It will also be NULL for a bus drivers\r
327 that wish to retrieve the name of the bus\r
328 controller. It will not be NULL for a bus\r
329 driver that wishes to retrieve the name of a\r
330 child controller.\r
331\r
332 @param Language[in] A pointer to a Null-terminated ASCII string\r
333 array indicating the language. This is the\r
334 language of the driver name that the caller is\r
335 requesting, and it must match one of the\r
336 languages specified in SupportedLanguages. The\r
337 number of languages supported by a driver is up\r
338 to the driver writer. Language is specified in\r
0254efc0 339 RFC 4646 or ISO 639-2 language code format.\r
83cbd279 340\r
341 @param ControllerName[out] A pointer to the Unicode string to return.\r
342 This Unicode string is the name of the\r
343 controller specified by ControllerHandle and\r
344 ChildHandle in the language specified by\r
345 Language from the point of view of the driver\r
346 specified by This.\r
347\r
348 @retval EFI_SUCCESS The Unicode string for the user readable name in\r
349 the language specified by Language for the\r
350 driver specified by This was returned in\r
351 DriverName.\r
352\r
284ee2e8 353 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
83cbd279 354\r
355 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
356 EFI_HANDLE.\r
357\r
358 @retval EFI_INVALID_PARAMETER Language is NULL.\r
359\r
360 @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
361\r
362 @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
363 managing the controller specified by\r
364 ControllerHandle and ChildHandle.\r
365\r
366 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
367 the language specified by Language.\r
368\r
369**/\r
8a67d61d 370EFI_STATUS\r
371EFIAPI\r
372SimpleNetworkComponentNameGetControllerName (\r
d1050b9d
MK
373 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
374 IN EFI_HANDLE ControllerHandle,\r
375 IN EFI_HANDLE ChildHandle OPTIONAL,\r
376 IN CHAR8 *Language,\r
377 OUT CHAR16 **ControllerName\r
8a67d61d 378 )\r
8a67d61d 379{\r
d1050b9d
MK
380 EFI_STATUS Status;\r
381 EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
d1102dba 382\r
216f7970 383 if (ChildHandle != NULL) {\r
384 return EFI_UNSUPPORTED;\r
385 }\r
386\r
387 //\r
388 // Make sure this driver is currently managing ControllHandle\r
389 //\r
390 Status = EfiTestManagedDevice (\r
391 ControllerHandle,\r
392 gSimpleNetworkDriverBinding.DriverBindingHandle,\r
393 &gEfiSimpleNetworkProtocolGuid\r
394 );\r
395 if (EFI_ERROR (Status)) {\r
396 return Status;\r
397 }\r
398\r
d1102dba 399 //\r
216f7970 400 // Retrieve an instance of a produced protocol from ControllerHandle\r
d1102dba 401 //\r
216f7970 402 Status = gBS->OpenProtocol (\r
403 ControllerHandle,\r
404 &gEfiSimpleNetworkProtocolGuid,\r
405 (VOID **)&Snp,\r
406 NULL,\r
407 NULL,\r
408 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
409 );\r
410 if (EFI_ERROR (Status)) {\r
411 return Status;\r
412 }\r
d1050b9d 413\r
216f7970 414 //\r
415 // Update the component name for this child handle.\r
416 //\r
417 Status = UpdateName (Snp);\r
418 if (EFI_ERROR (Status)) {\r
419 return Status;\r
420 }\r
421\r
422 return LookupUnicodeString2 (\r
423 Language,\r
424 This->SupportedLanguages,\r
425 gSimpleNetworkControllerNameTable,\r
426 ControllerName,\r
427 (BOOLEAN)(This == &gSimpleNetworkComponentName)\r
428 );\r
8a67d61d 429}\r