1 /** @file
2 
3 Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>
4 This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution.  The full text of the license may be found at<BR>
7 http://opensource.org/licenses/bsd-license.php
8 
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11 
12 **/
13 
14 #include "Ip4Impl.h"
15 
16 //
17 // EFI Component Name Functions
18 //
19 /**
20   Retrieves a Unicode string that is the user readable name of the driver.
21 
22   This function retrieves the user readable name of a driver in the form of a
23   Unicode string. If the driver specified by This has a user readable name in
24   the language specified by Language, then a pointer to the driver name is
25   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
26   by This does not support the language specified by Language,
27   then EFI_UNSUPPORTED is returned.
28 
29   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
30                                 EFI_COMPONENT_NAME_PROTOCOL instance.
31 
32   @param[in]  Language          A pointer to a Null-terminated ASCII string
33                                 array indicating the language. This is the
34                                 language of the driver name that the caller is
35                                 requesting, and it must match one of the
36                                 languages specified in SupportedLanguages. The
37                                 number of languages supported by a driver is up
38                                 to the driver writer. Language is specified
39                                 in RFC 4646 or ISO 639-2 language code format.
40 
41   @param[out]  DriverName       A pointer to the Unicode string to return.
42                                 This Unicode string is the name of the
43                                 driver specified by This in the language
44                                 specified by Language.
45 
46   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
47                                 This and the language specified by Language was
48                                 returned in DriverName.
49 
50   @retval EFI_INVALID_PARAMETER Language is NULL.
51 
52   @retval EFI_INVALID_PARAMETER DriverName is NULL.
53 
54   @retval EFI_UNSUPPORTED       The driver specified by This does not support
55                                 the language specified by Language.
56 
57 **/
58 EFI_STATUS
59 EFIAPI
60 Ip4ComponentNameGetDriverName (
61   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
62   IN  CHAR8                        *Language,
63   OUT CHAR16                       **DriverName
64   );
65 
66 
67 /**
68   Retrieves a Unicode string that is the user readable name of the controller
69   that is being managed by a driver.
70 
71   This function retrieves the user readable name of the controller specified by
72   ControllerHandle and ChildHandle in the form of a Unicode string. If the
73   driver specified by This has a user readable name in the language specified by
74   Language, then a pointer to the controller name is returned in ControllerName,
75   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
76   managing the controller specified by ControllerHandle and ChildHandle,
77   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
78   support the language specified by Language, then EFI_UNSUPPORTED is returned.
79 
80   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
81                                 EFI_COMPONENT_NAME_PROTOCOL instance.
82 
83   @param[in]  ControllerHandle  The handle of a controller that the driver
84                                 specified by This is managing.  This handle
85                                 specifies the controller whose name is to be
86                                 returned.
87 
88   @param[in]  ChildHandle       The handle of the child controller to retrieve
89                                 the name of.  This is an optional parameter that
90                                 may be NULL.  It will be NULL for device
91                                 drivers.  It will also be NULL for a bus drivers
92                                 that wish to retrieve the name of the bus
93                                 controller.  It will not be NULL for a bus
94                                 driver that wishes to retrieve the name of a
95                                 child controller.
96 
97   @param[in]  Language          A pointer to a Null-terminated ASCII string
98                                 array indicating the language.  This is the
99                                 language of the driver name that the caller is
100                                 requesting, and it must match one of the
101                                 languages specified in SupportedLanguages. The
102                                 number of languages supported by a driver is up
103                                 to the driver writer. Language is specified in
104                                 RFC 4646 or ISO 639-2 language code format.
105 
106   @param[out]  ControllerName   A pointer to the Unicode string to return.
107                                 This Unicode string is the name of the
108                                 controller specified by ControllerHandle and
109                                 ChildHandle in the language specified by
110                                 Language from the point of view of the driver
111                                 specified by This.
112 
113   @retval EFI_SUCCESS           The Unicode string for the user readable name in
114                                 the language specified by Language for the
115                                 driver specified by This was returned in
116                                 DriverName.
117 
118   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
119 
120   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
121                                 EFI_HANDLE.
122 
123   @retval EFI_INVALID_PARAMETER Language is NULL.
124 
125   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
126 
127   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
128                                 managing the controller specified by
129                                 ControllerHandle and ChildHandle.
130 
131   @retval EFI_UNSUPPORTED       The driver specified by This does not support
132                                 the language specified by Language.
133 
134 **/
135 EFI_STATUS
136 EFIAPI
137 Ip4ComponentNameGetControllerName (
138   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
139   IN  EFI_HANDLE                                      ControllerHandle,
140   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
141   IN  CHAR8                                           *Language,
142   OUT CHAR16                                          **ControllerName
143   );
144 
145 
146 //
147 // EFI Component Name Protocol
148 //
149 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gIp4ComponentName = {
150   Ip4ComponentNameGetDriverName,
151   Ip4ComponentNameGetControllerName,
152   "eng"
153 };
154 
155 //
156 // EFI Component Name 2 Protocol
157 //
158 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gIp4ComponentName2 = {
159   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Ip4ComponentNameGetDriverName,
160   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Ip4ComponentNameGetControllerName,
161   "en"
162 };
163 
164 
165 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mIp4DriverNameTable[] = {
166   {
167     "eng;en",
168     L"IP4 Network Service Driver"
169   },
170   {
171     NULL,
172     NULL
173   }
174 };
175 
176 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE  *gIp4ControllerNameTable = NULL;
177 
178 /**
179   Retrieves a Unicode string that is the user readable name of the driver.
180 
181   This function retrieves the user readable name of a driver in the form of a
182   Unicode string. If the driver specified by This has a user readable name in
183   the language specified by Language, then a pointer to the driver name is
184   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
185   by This does not support the language specified by Language,
186   then EFI_UNSUPPORTED is returned.
187 
188   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
189                                 EFI_COMPONENT_NAME_PROTOCOL instance.
190 
191   @param[in]  Language          A pointer to a Null-terminated ASCII string
192                                 array indicating the language. This is the
193                                 language of the driver name that the caller is
194                                 requesting, and it must match one of the
195                                 languages specified in SupportedLanguages. The
196                                 number of languages supported by a driver is up
197                                 to the driver writer. Language is specified
198                                 in RFC 4646 or ISO 639-2 language code format.
199 
200   @param[out]  DriverName       A pointer to the Unicode string to return.
201                                 This Unicode string is the name of the
202                                 driver specified by This in the language
203                                 specified by Language.
204 
205   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
206                                 This and the language specified by Language was
207                                 returned in DriverName.
208 
209   @retval EFI_INVALID_PARAMETER Language is NULL.
210 
211   @retval EFI_INVALID_PARAMETER DriverName is NULL.
212 
213   @retval EFI_UNSUPPORTED       The driver specified by This does not support
214                                 the language specified by Language.
215 
216 **/
217 EFI_STATUS
218 EFIAPI
Ip4ComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)219 Ip4ComponentNameGetDriverName (
220   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
221   IN  CHAR8                        *Language,
222   OUT CHAR16                       **DriverName
223   )
224 {
225   return LookupUnicodeString2 (
226            Language,
227            This->SupportedLanguages,
228            mIp4DriverNameTable,
229            DriverName,
230            (BOOLEAN)(This == &gIp4ComponentName)
231            );
232 
233 }
234 
235 /**
236   Update the component name for the IP4 child handle.
237 
238   @param  Ip4[in]                 A pointer to the EFI_IP4_PROTOCOL.
239 
240 
241   @retval EFI_SUCCESS             Update the ControllerNameTable of this instance successfully.
242   @retval EFI_INVALID_PARAMETER   The input parameter is invalid.
243 
244 **/
245 EFI_STATUS
UpdateName(IN EFI_IP4_PROTOCOL * Ip4)246 UpdateName (
247   IN     EFI_IP4_PROTOCOL         *Ip4
248   )
249 {
250   EFI_STATUS                       Status;
251   CHAR16                           HandleName[80];
252   EFI_IP4_MODE_DATA                Ip4ModeData;
253 
254   if (Ip4 == NULL) {
255     return EFI_INVALID_PARAMETER;
256   }
257 
258   //
259   // Format the child name into the string buffer as:
260   // IPv4 (SrcIP=127.0.0.1, DestIP=127.0.0.1)
261   //
262   Status = Ip4->GetModeData (Ip4, &Ip4ModeData, NULL, NULL);
263   if (EFI_ERROR (Status)) {
264     return Status;
265   }
266 
267   if (!Ip4ModeData.IsStarted || !Ip4ModeData.IsConfigured) {
268     UnicodeSPrint (HandleName, sizeof (HandleName), L"IPv4 (Not started)");
269   } else {
270     UnicodeSPrint (HandleName, sizeof (HandleName),
271       L"IPv4 (SrcIP=%d.%d.%d.%d)",
272       Ip4ModeData.ConfigData.StationAddress.Addr[0],
273       Ip4ModeData.ConfigData.StationAddress.Addr[1],
274       Ip4ModeData.ConfigData.StationAddress.Addr[2],
275       Ip4ModeData.ConfigData.StationAddress.Addr[3]
276       );
277   }
278 
279   if (gIp4ControllerNameTable != NULL) {
280     FreeUnicodeStringTable (gIp4ControllerNameTable);
281     gIp4ControllerNameTable = NULL;
282   }
283   Status = AddUnicodeString2 (
284              "eng",
285              gIp4ComponentName.SupportedLanguages,
286              &gIp4ControllerNameTable,
287              HandleName,
288              TRUE
289              );
290   if (EFI_ERROR (Status)) {
291     return Status;
292   }
293 
294   return AddUnicodeString2 (
295            "en",
296            gIp4ComponentName2.SupportedLanguages,
297            &gIp4ControllerNameTable,
298            HandleName,
299            FALSE
300            );
301 }
302 
303 /**
304   Retrieves a Unicode string that is the user readable name of the controller
305   that is being managed by a driver.
306 
307   This function retrieves the user readable name of the controller specified by
308   ControllerHandle and ChildHandle in the form of a Unicode string. If the
309   driver specified by This has a user readable name in the language specified by
310   Language, then a pointer to the controller name is returned in ControllerName,
311   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
312   managing the controller specified by ControllerHandle and ChildHandle,
313   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
314   support the language specified by Language, then EFI_UNSUPPORTED is returned.
315 
316   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
317                                 EFI_COMPONENT_NAME_PROTOCOL instance.
318 
319   @param[in]  ControllerHandle  The handle of a controller that the driver
320                                 specified by This is managing.  This handle
321                                 specifies the controller whose name is to be
322                                 returned.
323 
324   @param[in]  ChildHandle       The handle of the child controller to retrieve
325                                 the name of.  This is an optional parameter that
326                                 may be NULL.  It will be NULL for device
327                                 drivers.  It will also be NULL for a bus drivers
328                                 that wish to retrieve the name of the bus
329                                 controller.  It will not be NULL for a bus
330                                 driver that wishes to retrieve the name of a
331                                 child controller.
332 
333   @param[in]  Language          A pointer to a Null-terminated ASCII string
334                                 array indicating the language.  This is the
335                                 language of the driver name that the caller is
336                                 requesting, and it must match one of the
337                                 languages specified in SupportedLanguages. The
338                                 number of languages supported by a driver is up
339                                 to the driver writer. Language is specified in
340                                 RFC 4646 or ISO 639-2 language code format.
341 
342   @param[out]  ControllerName   A pointer to the Unicode string to return.
343                                 This Unicode string is the name of the
344                                 controller specified by ControllerHandle and
345                                 ChildHandle in the language specified by
346                                 Language from the point of view of the driver
347                                 specified by This.
348 
349   @retval EFI_SUCCESS           The Unicode string for the user readable name in
350                                 the language specified by Language for the
351                                 driver specified by This was returned in
352                                 DriverName.
353 
354   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
355 
356   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
357                                 EFI_HANDLE.
358 
359   @retval EFI_INVALID_PARAMETER Language is NULL.
360 
361   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
362 
363   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
364                                 managing the controller specified by
365                                 ControllerHandle and ChildHandle.
366 
367   @retval EFI_UNSUPPORTED       The driver specified by This does not support
368                                 the language specified by Language.
369 
370 **/
371 EFI_STATUS
372 EFIAPI
Ip4ComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)373 Ip4ComponentNameGetControllerName (
374   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
375   IN  EFI_HANDLE                                      ControllerHandle,
376   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
377   IN  CHAR8                                           *Language,
378   OUT CHAR16                                          **ControllerName
379   )
380 {
381   EFI_STATUS                    Status;
382   EFI_IP4_PROTOCOL              *Ip4;
383 
384   //
385   // Only provide names for child handles.
386   //
387   if (ChildHandle == NULL) {
388     return EFI_UNSUPPORTED;
389   }
390 
391   //
392   // Make sure this driver produced ChildHandle
393   //
394   Status = EfiTestChildHandle (
395              ControllerHandle,
396              ChildHandle,
397              &gEfiManagedNetworkProtocolGuid
398              );
399   if (EFI_ERROR (Status)) {
400     return Status;
401   }
402 
403   //
404   // Retrieve an instance of a produced protocol from ChildHandle
405   //
406   Status = gBS->OpenProtocol (
407                   ChildHandle,
408                   &gEfiIp4ProtocolGuid,
409                   (VOID **)&Ip4,
410                   NULL,
411                   NULL,
412                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
413                   );
414   if (EFI_ERROR (Status)) {
415     return Status;
416   }
417 
418   //
419   // Update the component name for this child handle.
420   //
421   Status = UpdateName (Ip4);
422   if (EFI_ERROR (Status)) {
423     return Status;
424   }
425 
426   return LookupUnicodeString2 (
427            Language,
428            This->SupportedLanguages,
429            gIp4ControllerNameTable,
430            ControllerName,
431            (BOOLEAN)(This == &gIp4ComponentName)
432            );
433 }
434 
435