1 /** @file
2 
3 Copyright (c) 2006 - 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
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 
15 #include "Udp4Impl.h"
16 
17 //
18 // EFI Component Name Functions
19 //
20 /**
21   Retrieves a Unicode string that is the user readable name of the driver.
22 
23   This function retrieves the user readable name of a driver in the form of a
24   Unicode string. If the driver specified by This has a user readable name in
25   the language specified by Language, then a pointer to the driver name is
26   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
27   by This does not support the language specified by Language,
28   then EFI_UNSUPPORTED is returned.
29 
30   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
31                                 EFI_COMPONENT_NAME_PROTOCOL instance.
32 
33   @param[in]  Language          A pointer to a Null-terminated ASCII string
34                                 array indicating the language. This is the
35                                 language of the driver name that the caller is
36                                 requesting, and it must match one of the
37                                 languages specified in SupportedLanguages. The
38                                 number of languages supported by a driver is up
39                                 to the driver writer. Language is specified
40                                 in RFC 4646 or ISO 639-2 language code format.
41 
42   @param[out]  DriverName       A pointer to the Unicode string to return.
43                                 This Unicode string is the name of the
44                                 driver specified by This in the language
45                                 specified by Language.
46 
47   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
48                                 This and the language specified by Language was
49                                 returned in DriverName.
50 
51   @retval EFI_INVALID_PARAMETER Language is NULL.
52 
53   @retval EFI_INVALID_PARAMETER DriverName is NULL.
54 
55   @retval EFI_UNSUPPORTED       The driver specified by This does not support
56                                 the language specified by Language.
57 
58 **/
59 EFI_STATUS
60 EFIAPI
61 UdpComponentNameGetDriverName (
62   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
63   IN  CHAR8                        *Language,
64   OUT CHAR16                       **DriverName
65   );
66 
67 
68 /**
69   Retrieves a Unicode string that is the user readable name of the controller
70   that is being managed by a driver.
71 
72   This function retrieves the user readable name of the controller specified by
73   ControllerHandle and ChildHandle in the form of a Unicode string. If the
74   driver specified by This has a user readable name in the language specified by
75   Language, then a pointer to the controller name is returned in ControllerName,
76   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
77   managing the controller specified by ControllerHandle and ChildHandle,
78   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
79   support the language specified by Language, then EFI_UNSUPPORTED is returned.
80 
81   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
82                                 EFI_COMPONENT_NAME_PROTOCOL instance.
83 
84   @param[in]  ControllerHandle  The handle of a controller that the driver
85                                 specified by This is managing.  This handle
86                                 specifies the controller whose name is to be
87                                 returned.
88 
89   @param[in]  ChildHandle       The handle of the child controller to retrieve
90                                 the name of.  This is an optional parameter that
91                                 may be NULL.  It will be NULL for device
92                                 drivers.  It will also be NULL for a bus drivers
93                                 that wish to retrieve the name of the bus
94                                 controller.  It will not be NULL for a bus
95                                 driver that wishes to retrieve the name of a
96                                 child controller.
97 
98   @param[in]  Language          A pointer to a Null-terminated ASCII string
99                                 array indicating the language.  This is the
100                                 language of the driver name that the caller is
101                                 requesting, and it must match one of the
102                                 languages specified in SupportedLanguages. The
103                                 number of languages supported by a driver is up
104                                 to the driver writer. Language is specified in
105                                 RFC 4646 or ISO 639-2 language code format.
106 
107   @param[out]  ControllerName   A pointer to the Unicode string to return.
108                                 This Unicode string is the name of the
109                                 controller specified by ControllerHandle and
110                                 ChildHandle in the language specified by
111                                 Language from the point of view of the driver
112                                 specified by This.
113 
114   @retval EFI_SUCCESS           The Unicode string for the user readable name in
115                                 the language specified by Language for the
116                                 driver specified by This was returned in
117                                 DriverName.
118 
119   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
120 
121   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
122                                 EFI_HANDLE.
123 
124   @retval EFI_INVALID_PARAMETER Language is NULL.
125 
126   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
127 
128   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
129                                 managing the controller specified by
130                                 ControllerHandle and ChildHandle.
131 
132   @retval EFI_UNSUPPORTED       The driver specified by This does not support
133                                 the language specified by Language.
134 
135 **/
136 EFI_STATUS
137 EFIAPI
138 UdpComponentNameGetControllerName (
139   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
140   IN  EFI_HANDLE                                      ControllerHandle,
141   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
142   IN  CHAR8                                           *Language,
143   OUT CHAR16                                          **ControllerName
144   );
145 
146 
147 //
148 // EFI Component Name Protocol
149 //
150 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gUdp4ComponentName = {
151   UdpComponentNameGetDriverName,
152   UdpComponentNameGetControllerName,
153   "eng"
154 };
155 
156 //
157 // EFI Component Name 2 Protocol
158 //
159 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gUdp4ComponentName2 = {
160   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) UdpComponentNameGetDriverName,
161   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) UdpComponentNameGetControllerName,
162   "en"
163 };
164 
165 
166 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUdpDriverNameTable[] = {
167   {
168     "eng;en",
169     L"UDP Network Service Driver"
170   },
171   {
172     NULL,
173     NULL
174   }
175 };
176 
177 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gUdpControllerNameTable = NULL;
178 
179 /**
180   Retrieves a Unicode string that is the user readable name of the driver.
181 
182   This function retrieves the user readable name of a driver in the form of a
183   Unicode string. If the driver specified by This has a user readable name in
184   the language specified by Language, then a pointer to the driver name is
185   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
186   by This does not support the language specified by Language,
187   then EFI_UNSUPPORTED is returned.
188 
189   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
190                                 EFI_COMPONENT_NAME_PROTOCOL instance.
191 
192   @param[in]  Language          A pointer to a Null-terminated ASCII string
193                                 array indicating the language. This is the
194                                 language of the driver name that the caller is
195                                 requesting, and it must match one of the
196                                 languages specified in SupportedLanguages. The
197                                 number of languages supported by a driver is up
198                                 to the driver writer. Language is specified
199                                 in RFC 4646 or ISO 639-2 language code format.
200 
201   @param[out]  DriverName       A pointer to the Unicode string to return.
202                                 This Unicode string is the name of the
203                                 driver specified by This in the language
204                                 specified by Language.
205 
206   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
207                                 This and the language specified by Language was
208                                 returned in DriverName.
209 
210   @retval EFI_INVALID_PARAMETER Language is NULL.
211 
212   @retval EFI_INVALID_PARAMETER DriverName is NULL.
213 
214   @retval EFI_UNSUPPORTED       The driver specified by This does not support
215                                 the language specified by Language.
216 
217 **/
218 EFI_STATUS
219 EFIAPI
UdpComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)220 UdpComponentNameGetDriverName (
221   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
222   IN  CHAR8                        *Language,
223   OUT CHAR16                       **DriverName
224   )
225 {
226   return LookupUnicodeString2 (
227            Language,
228            This->SupportedLanguages,
229            mUdpDriverNameTable,
230            DriverName,
231            (BOOLEAN)(This == &gUdp4ComponentName)
232            );
233 }
234 
235 /**
236   Update the component name for the Udp4 child handle.
237 
238   @param  Udp4[in]                   A pointer to the EFI_UDP4_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(EFI_UDP4_PROTOCOL * Udp4)246 UpdateName (
247   EFI_UDP4_PROTOCOL             *Udp4
248   )
249 {
250   EFI_STATUS                       Status;
251   CHAR16                           HandleName[64];
252   EFI_UDP4_CONFIG_DATA             Udp4ConfigData;
253 
254   if (Udp4 == NULL) {
255     return EFI_INVALID_PARAMETER;
256   }
257 
258   //
259   // Format the child name into the string buffer as:
260   // UDPv4 (SrcPort=59, DestPort=60)
261   //
262   Status = Udp4->GetModeData (Udp4, &Udp4ConfigData, NULL, NULL, NULL);
263   if (!EFI_ERROR (Status)) {
264     UnicodeSPrint (HandleName, sizeof (HandleName),
265       L"UDPv4 (SrcPort=%d, DestPort=%d)",
266       Udp4ConfigData.StationPort,
267       Udp4ConfigData.RemotePort
268       );
269   } else if (Status == EFI_NOT_STARTED) {
270     UnicodeSPrint (
271       HandleName,
272       sizeof (HandleName),
273       L"UDPv4 (Not started)"
274       );
275   } else {
276     return Status;
277   }
278 
279   if (gUdpControllerNameTable != NULL) {
280     FreeUnicodeStringTable (gUdpControllerNameTable);
281     gUdpControllerNameTable = NULL;
282   }
283 
284   Status = AddUnicodeString2 (
285              "eng",
286              gUdp4ComponentName.SupportedLanguages,
287              &gUdpControllerNameTable,
288              HandleName,
289              TRUE
290              );
291   if (EFI_ERROR (Status)) {
292     return Status;
293   }
294 
295   return AddUnicodeString2 (
296            "en",
297            gUdp4ComponentName2.SupportedLanguages,
298            &gUdpControllerNameTable,
299            HandleName,
300            FALSE
301            );
302 }
303 
304 /**
305   Retrieves a Unicode string that is the user readable name of the controller
306   that is being managed by a driver.
307 
308   This function retrieves the user readable name of the controller specified by
309   ControllerHandle and ChildHandle in the form of a Unicode string. If the
310   driver specified by This has a user readable name in the language specified by
311   Language, then a pointer to the controller name is returned in ControllerName,
312   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
313   managing the controller specified by ControllerHandle and ChildHandle,
314   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
315   support the language specified by Language, then EFI_UNSUPPORTED is returned.
316 
317   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
318                                 EFI_COMPONENT_NAME_PROTOCOL instance.
319 
320   @param[in]  ControllerHandle  The handle of a controller that the driver
321                                 specified by This is managing.  This handle
322                                 specifies the controller whose name is to be
323                                 returned.
324 
325   @param[in]  ChildHandle       The handle of the child controller to retrieve
326                                 the name of.  This is an optional parameter that
327                                 may be NULL.  It will be NULL for device
328                                 drivers.  It will also be NULL for a bus drivers
329                                 that wish to retrieve the name of the bus
330                                 controller.  It will not be NULL for a bus
331                                 driver that wishes to retrieve the name of a
332                                 child controller.
333 
334   @param[in]  Language          A pointer to a Null-terminated ASCII string
335                                 array indicating the language.  This is the
336                                 language of the driver name that the caller is
337                                 requesting, and it must match one of the
338                                 languages specified in SupportedLanguages. The
339                                 number of languages supported by a driver is up
340                                 to the driver writer. Language is specified in
341                                 RFC 4646 or ISO 639-2 language code format.
342 
343   @param[out]  ControllerName   A pointer to the Unicode string to return.
344                                 This Unicode string is the name of the
345                                 controller specified by ControllerHandle and
346                                 ChildHandle in the language specified by
347                                 Language from the point of view of the driver
348                                 specified by This.
349 
350   @retval EFI_SUCCESS           The Unicode string for the user readable name in
351                                 the language specified by Language for the
352                                 driver specified by This was returned in
353                                 DriverName.
354 
355   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
356 
357   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
358                                 EFI_HANDLE.
359 
360   @retval EFI_INVALID_PARAMETER Language is NULL.
361 
362   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
363 
364   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
365                                 managing the controller specified by
366                                 ControllerHandle and ChildHandle.
367 
368   @retval EFI_UNSUPPORTED       The driver specified by This does not support
369                                 the language specified by Language.
370 
371 **/
372 EFI_STATUS
373 EFIAPI
UdpComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)374 UdpComponentNameGetControllerName (
375   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
376   IN  EFI_HANDLE                                      ControllerHandle,
377   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
378   IN  CHAR8                                           *Language,
379   OUT CHAR16                                          **ControllerName
380   )
381 {
382   EFI_STATUS                    Status;
383   EFI_UDP4_PROTOCOL             *Udp4;
384 
385   //
386   // Only provide names for child handles.
387   //
388   if (ChildHandle == NULL) {
389     return EFI_UNSUPPORTED;
390   }
391 
392   //
393   // Make sure this driver produced ChildHandle
394   //
395   Status = EfiTestChildHandle (
396              ControllerHandle,
397              ChildHandle,
398              &gEfiIp4ProtocolGuid
399              );
400   if (EFI_ERROR (Status)) {
401     return Status;
402   }
403 
404   //
405   // Retrieve an instance of a produced protocol from ChildHandle
406   //
407   Status = gBS->OpenProtocol (
408                   ChildHandle,
409                   &gEfiUdp4ProtocolGuid,
410                   (VOID **)&Udp4,
411                   NULL,
412                   NULL,
413                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
414                   );
415   if (EFI_ERROR (Status)) {
416     return Status;
417   }
418 
419   //
420   // Update the component name for this child handle.
421   //
422   Status = UpdateName (Udp4);
423   if (EFI_ERROR (Status)) {
424     return Status;
425   }
426 
427   return LookupUnicodeString2 (
428            Language,
429            This->SupportedLanguages,
430            gUdpControllerNameTable,
431            ControllerName,
432            (BOOLEAN)(This == &gUdp4ComponentName)
433            );
434 }
435 
436