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da1d0201 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2005 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | NetLib.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
22 | #include <PiDxe.h>\r | |
23 | \r | |
24 | #include <Protocol/ServiceBinding.h>\r | |
25 | #include <Protocol/SimpleNetwork.h>\r | |
26 | #include <Protocol/LoadedImage.h>\r | |
27 | #include <Protocol/NicIp4Config.h>\r | |
3012ce5c | 28 | #include <Protocol/ComponentName.h>\r |
29 | #include <Protocol/ComponentName2.h>\r | |
347cacce | 30 | #include <Protocol/Ip4.h>\r |
e1a590c3 | 31 | #include <Protocol/Dpc.h>\r |
da1d0201 | 32 | \r |
33 | #include <Library/NetLib.h>\r | |
34 | #include <Library/BaseLib.h>\r | |
35 | #include <Library/DebugLib.h>\r | |
36 | #include <Library/BaseMemoryLib.h>\r | |
37 | #include <Library/UefiBootServicesTableLib.h>\r | |
38 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
cbf316f2 | 39 | #include <Library/UefiLib.h>\r |
da1d0201 | 40 | #include <Library/MemoryAllocationLib.h>\r |
1232b214 | 41 | #include <Library/DevicePathLib.h>\r |
da1d0201 | 42 | \r |
36ee91ca | 43 | EFI_DPC_PROTOCOL *mDpc = NULL;\r |
44 | \r | |
ac7e320c LG |
45 | GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 mNetLibHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};\r |
46 | \r | |
da1d0201 | 47 | //\r |
48 | // All the supported IP4 maskes in host byte order.\r | |
49 | //\r | |
2a86ff1c | 50 | IP4_ADDR gIp4AllMasks[IP4_MASK_NUM] = {\r |
da1d0201 | 51 | 0x00000000,\r |
52 | 0x80000000,\r | |
53 | 0xC0000000,\r | |
54 | 0xE0000000,\r | |
55 | 0xF0000000,\r | |
56 | 0xF8000000,\r | |
57 | 0xFC000000,\r | |
58 | 0xFE000000,\r | |
59 | \r | |
60 | 0xFF000000,\r | |
61 | 0xFF800000,\r | |
62 | 0xFFC00000,\r | |
63 | 0xFFE00000,\r | |
64 | 0xFFF00000,\r | |
65 | 0xFFF80000,\r | |
66 | 0xFFFC0000,\r | |
67 | 0xFFFE0000,\r | |
68 | \r | |
69 | 0xFFFF0000,\r | |
70 | 0xFFFF8000,\r | |
71 | 0xFFFFC000,\r | |
72 | 0xFFFFE000,\r | |
73 | 0xFFFFF000,\r | |
74 | 0xFFFFF800,\r | |
75 | 0xFFFFFC00,\r | |
76 | 0xFFFFFE00,\r | |
77 | \r | |
78 | 0xFFFFFF00,\r | |
79 | 0xFFFFFF80,\r | |
80 | 0xFFFFFFC0,\r | |
81 | 0xFFFFFFE0,\r | |
82 | 0xFFFFFFF0,\r | |
83 | 0xFFFFFFF8,\r | |
84 | 0xFFFFFFFC,\r | |
85 | 0xFFFFFFFE,\r | |
86 | 0xFFFFFFFF,\r | |
87 | };\r | |
88 | \r | |
89 | EFI_IPv4_ADDRESS mZeroIp4Addr = {{0, 0, 0, 0}};\r | |
90 | \r | |
da1d0201 | 91 | /**\r |
92 | Return the length of the mask. If the mask is invalid,\r | |
93 | return the invalid length 33, which is IP4_MASK_NUM.\r | |
94 | NetMask is in the host byte order.\r | |
95 | \r | |
96 | @param NetMask The netmask to get the length from\r | |
97 | \r | |
98 | @return The length of the netmask, IP4_MASK_NUM if the mask isn't\r | |
99 | @return supported.\r | |
100 | \r | |
101 | **/\r | |
102 | INTN\r | |
7b414b4e | 103 | EFIAPI\r |
da1d0201 | 104 | NetGetMaskLength (\r |
105 | IN IP4_ADDR NetMask\r | |
106 | )\r | |
107 | {\r | |
108 | INTN Index;\r | |
109 | \r | |
110 | for (Index = 0; Index < IP4_MASK_NUM; Index++) {\r | |
2a86ff1c | 111 | if (NetMask == gIp4AllMasks[Index]) {\r |
da1d0201 | 112 | break;\r |
113 | }\r | |
114 | }\r | |
115 | \r | |
116 | return Index;\r | |
117 | }\r | |
118 | \r | |
119 | \r | |
120 | \r | |
121 | /**\r | |
122 | Return the class of the address, such as class a, b, c.\r | |
123 | Addr is in host byte order.\r | |
124 | \r | |
125 | @param Addr The address to get the class from\r | |
126 | \r | |
127 | @return IP address class, such as IP4_ADDR_CLASSA\r | |
128 | \r | |
129 | **/\r | |
130 | INTN\r | |
7b414b4e | 131 | EFIAPI\r |
da1d0201 | 132 | NetGetIpClass (\r |
133 | IN IP4_ADDR Addr\r | |
134 | )\r | |
135 | {\r | |
136 | UINT8 ByteOne;\r | |
137 | \r | |
138 | ByteOne = (UINT8) (Addr >> 24);\r | |
139 | \r | |
140 | if ((ByteOne & 0x80) == 0) {\r | |
141 | return IP4_ADDR_CLASSA;\r | |
142 | \r | |
143 | } else if ((ByteOne & 0xC0) == 0x80) {\r | |
144 | return IP4_ADDR_CLASSB;\r | |
145 | \r | |
146 | } else if ((ByteOne & 0xE0) == 0xC0) {\r | |
147 | return IP4_ADDR_CLASSC;\r | |
148 | \r | |
149 | } else if ((ByteOne & 0xF0) == 0xE0) {\r | |
150 | return IP4_ADDR_CLASSD;\r | |
151 | \r | |
152 | } else {\r | |
153 | return IP4_ADDR_CLASSE;\r | |
154 | \r | |
155 | }\r | |
156 | }\r | |
157 | \r | |
158 | \r | |
159 | /**\r | |
160 | Check whether the IP is a valid unicast address according to\r | |
161 | the netmask. If NetMask is zero, use the IP address's class to\r | |
162 | get the default mask.\r | |
163 | \r | |
164 | @param Ip The IP to check againist\r | |
165 | @param NetMask The mask of the IP\r | |
166 | \r | |
167 | @return TRUE if IP is a valid unicast address on the network, otherwise FALSE\r | |
168 | \r | |
169 | **/\r | |
170 | BOOLEAN\r | |
7b414b4e | 171 | EFIAPI\r |
da1d0201 | 172 | Ip4IsUnicast (\r |
173 | IN IP4_ADDR Ip,\r | |
174 | IN IP4_ADDR NetMask\r | |
175 | )\r | |
176 | {\r | |
177 | INTN Class;\r | |
178 | \r | |
179 | Class = NetGetIpClass (Ip);\r | |
180 | \r | |
181 | if ((Ip == 0) || (Class >= IP4_ADDR_CLASSD)) {\r | |
182 | return FALSE;\r | |
183 | }\r | |
184 | \r | |
185 | if (NetMask == 0) {\r | |
2a86ff1c | 186 | NetMask = gIp4AllMasks[Class << 3];\r |
da1d0201 | 187 | }\r |
188 | \r | |
189 | if (((Ip &~NetMask) == ~NetMask) || ((Ip &~NetMask) == 0)) {\r | |
190 | return FALSE;\r | |
191 | }\r | |
192 | \r | |
193 | return TRUE;\r | |
194 | }\r | |
195 | \r | |
196 | \r | |
197 | /**\r | |
198 | Initialize a random seed using current time.\r | |
199 | \r | |
200 | None\r | |
201 | \r | |
202 | @return The random seed initialized with current time.\r | |
203 | \r | |
204 | **/\r | |
205 | UINT32\r | |
7b414b4e | 206 | EFIAPI\r |
da1d0201 | 207 | NetRandomInitSeed (\r |
208 | VOID\r | |
209 | )\r | |
210 | {\r | |
211 | EFI_TIME Time;\r | |
212 | UINT32 Seed;\r | |
213 | \r | |
214 | gRT->GetTime (&Time, NULL);\r | |
36ee91ca | 215 | Seed = (~Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second);\r |
da1d0201 | 216 | Seed ^= Time.Nanosecond;\r |
217 | Seed ^= Time.Year << 7;\r | |
218 | \r | |
219 | return Seed;\r | |
220 | }\r | |
221 | \r | |
222 | \r | |
223 | /**\r | |
224 | Extract a UINT32 from a byte stream, then convert it to host\r | |
225 | byte order. Use this function to avoid alignment error.\r | |
226 | \r | |
227 | @param Buf The buffer to extract the UINT32.\r | |
228 | \r | |
229 | @return The UINT32 extracted.\r | |
230 | \r | |
231 | **/\r | |
232 | UINT32\r | |
7b414b4e | 233 | EFIAPI\r |
da1d0201 | 234 | NetGetUint32 (\r |
235 | IN UINT8 *Buf\r | |
236 | )\r | |
237 | {\r | |
238 | UINT32 Value;\r | |
239 | \r | |
e48e37fc | 240 | CopyMem (&Value, Buf, sizeof (UINT32));\r |
da1d0201 | 241 | return NTOHL (Value);\r |
242 | }\r | |
243 | \r | |
244 | \r | |
245 | /**\r | |
246 | Put a UINT32 to the byte stream. Convert it from host byte order\r | |
247 | to network byte order before putting.\r | |
248 | \r | |
249 | @param Buf The buffer to put the UINT32\r | |
250 | @param Data The data to put\r | |
251 | \r | |
252 | @return None\r | |
253 | \r | |
254 | **/\r | |
255 | VOID\r | |
7b414b4e | 256 | EFIAPI\r |
da1d0201 | 257 | NetPutUint32 (\r |
258 | IN UINT8 *Buf,\r | |
259 | IN UINT32 Data\r | |
260 | )\r | |
261 | {\r | |
262 | Data = HTONL (Data);\r | |
e48e37fc | 263 | CopyMem (Buf, &Data, sizeof (UINT32));\r |
da1d0201 | 264 | }\r |
265 | \r | |
266 | \r | |
267 | /**\r | |
268 | Remove the first entry on the list\r | |
269 | \r | |
270 | @param Head The list header\r | |
271 | \r | |
272 | @return The entry that is removed from the list, NULL if the list is empty.\r | |
273 | \r | |
274 | **/\r | |
e48e37fc | 275 | LIST_ENTRY *\r |
7b414b4e | 276 | EFIAPI\r |
da1d0201 | 277 | NetListRemoveHead (\r |
e48e37fc | 278 | LIST_ENTRY *Head\r |
da1d0201 | 279 | )\r |
280 | {\r | |
e48e37fc | 281 | LIST_ENTRY *First;\r |
da1d0201 | 282 | \r |
283 | ASSERT (Head != NULL);\r | |
284 | \r | |
e48e37fc | 285 | if (IsListEmpty (Head)) {\r |
da1d0201 | 286 | return NULL;\r |
287 | }\r | |
288 | \r | |
289 | First = Head->ForwardLink;\r | |
290 | Head->ForwardLink = First->ForwardLink;\r | |
291 | First->ForwardLink->BackLink = Head;\r | |
292 | \r | |
293 | DEBUG_CODE (\r | |
e48e37fc | 294 | First->ForwardLink = (LIST_ENTRY *) NULL;\r |
295 | First->BackLink = (LIST_ENTRY *) NULL;\r | |
da1d0201 | 296 | );\r |
297 | \r | |
298 | return First;\r | |
299 | }\r | |
300 | \r | |
301 | \r | |
302 | /**\r | |
303 | Remove the last entry on the list\r | |
304 | \r | |
305 | @param Head The list head\r | |
306 | \r | |
307 | @return The entry that is removed from the list, NULL if the list is empty.\r | |
308 | \r | |
309 | **/\r | |
e48e37fc | 310 | LIST_ENTRY *\r |
7b414b4e | 311 | EFIAPI\r |
da1d0201 | 312 | NetListRemoveTail (\r |
e48e37fc | 313 | LIST_ENTRY *Head\r |
da1d0201 | 314 | )\r |
315 | {\r | |
e48e37fc | 316 | LIST_ENTRY *Last;\r |
da1d0201 | 317 | \r |
318 | ASSERT (Head != NULL);\r | |
319 | \r | |
e48e37fc | 320 | if (IsListEmpty (Head)) {\r |
da1d0201 | 321 | return NULL;\r |
322 | }\r | |
323 | \r | |
324 | Last = Head->BackLink;\r | |
325 | Head->BackLink = Last->BackLink;\r | |
326 | Last->BackLink->ForwardLink = Head;\r | |
327 | \r | |
328 | DEBUG_CODE (\r | |
e48e37fc | 329 | Last->ForwardLink = (LIST_ENTRY *) NULL;\r |
330 | Last->BackLink = (LIST_ENTRY *) NULL;\r | |
da1d0201 | 331 | );\r |
332 | \r | |
333 | return Last;\r | |
334 | }\r | |
335 | \r | |
336 | \r | |
337 | /**\r | |
338 | Insert the NewEntry after the PrevEntry\r | |
339 | \r | |
340 | @param PrevEntry The previous entry to insert after\r | |
341 | @param NewEntry The new entry to insert\r | |
342 | \r | |
343 | @return None\r | |
344 | \r | |
345 | **/\r | |
346 | VOID\r | |
7b414b4e | 347 | EFIAPI\r |
da1d0201 | 348 | NetListInsertAfter (\r |
e48e37fc | 349 | IN LIST_ENTRY *PrevEntry,\r |
350 | IN LIST_ENTRY *NewEntry\r | |
da1d0201 | 351 | )\r |
352 | {\r | |
353 | NewEntry->BackLink = PrevEntry;\r | |
354 | NewEntry->ForwardLink = PrevEntry->ForwardLink;\r | |
355 | PrevEntry->ForwardLink->BackLink = NewEntry;\r | |
356 | PrevEntry->ForwardLink = NewEntry;\r | |
357 | }\r | |
358 | \r | |
359 | \r | |
360 | /**\r | |
361 | Insert the NewEntry before the PostEntry\r | |
362 | \r | |
363 | @param PostEntry The entry to insert before\r | |
364 | @param NewEntry The new entry to insert\r | |
365 | \r | |
366 | @return None\r | |
367 | \r | |
368 | **/\r | |
369 | VOID\r | |
7b414b4e | 370 | EFIAPI\r |
da1d0201 | 371 | NetListInsertBefore (\r |
e48e37fc | 372 | IN LIST_ENTRY *PostEntry,\r |
373 | IN LIST_ENTRY *NewEntry\r | |
da1d0201 | 374 | )\r |
375 | {\r | |
376 | NewEntry->ForwardLink = PostEntry;\r | |
377 | NewEntry->BackLink = PostEntry->BackLink;\r | |
378 | PostEntry->BackLink->ForwardLink = NewEntry;\r | |
379 | PostEntry->BackLink = NewEntry;\r | |
380 | }\r | |
381 | \r | |
382 | \r | |
383 | /**\r | |
384 | Initialize the netmap. Netmap is a reposity to keep the <Key, Value> pairs.\r | |
385 | \r | |
386 | @param Map The netmap to initialize\r | |
387 | \r | |
388 | @return None\r | |
389 | \r | |
390 | **/\r | |
391 | VOID\r | |
7b414b4e | 392 | EFIAPI\r |
da1d0201 | 393 | NetMapInit (\r |
394 | IN NET_MAP *Map\r | |
395 | )\r | |
396 | {\r | |
397 | ASSERT (Map != NULL);\r | |
398 | \r | |
e48e37fc | 399 | InitializeListHead (&Map->Used);\r |
400 | InitializeListHead (&Map->Recycled);\r | |
da1d0201 | 401 | Map->Count = 0;\r |
402 | }\r | |
403 | \r | |
404 | \r | |
405 | /**\r | |
406 | To clean up the netmap, that is, release allocated memories.\r | |
407 | \r | |
408 | @param Map The netmap to clean up.\r | |
409 | \r | |
410 | @return None\r | |
411 | \r | |
412 | **/\r | |
413 | VOID\r | |
7b414b4e | 414 | EFIAPI\r |
da1d0201 | 415 | NetMapClean (\r |
416 | IN NET_MAP *Map\r | |
417 | )\r | |
418 | {\r | |
419 | NET_MAP_ITEM *Item;\r | |
e48e37fc | 420 | LIST_ENTRY *Entry;\r |
421 | LIST_ENTRY *Next;\r | |
da1d0201 | 422 | \r |
423 | ASSERT (Map != NULL);\r | |
424 | \r | |
425 | NET_LIST_FOR_EACH_SAFE (Entry, Next, &Map->Used) {\r | |
426 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
427 | \r | |
e48e37fc | 428 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 429 | Map->Count--;\r |
430 | \r | |
e48e37fc | 431 | gBS->FreePool (Item);\r |
da1d0201 | 432 | }\r |
433 | \r | |
e48e37fc | 434 | ASSERT ((Map->Count == 0) && IsListEmpty (&Map->Used));\r |
da1d0201 | 435 | \r |
436 | NET_LIST_FOR_EACH_SAFE (Entry, Next, &Map->Recycled) {\r | |
437 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
438 | \r | |
e48e37fc | 439 | RemoveEntryList (&Item->Link);\r |
440 | gBS->FreePool (Item);\r | |
da1d0201 | 441 | }\r |
442 | \r | |
e48e37fc | 443 | ASSERT (IsListEmpty (&Map->Recycled));\r |
da1d0201 | 444 | }\r |
445 | \r | |
446 | \r | |
447 | /**\r | |
448 | Test whether the netmap is empty\r | |
449 | \r | |
450 | @param Map The net map to test\r | |
451 | \r | |
452 | @return TRUE if the netmap is empty, otherwise FALSE.\r | |
453 | \r | |
454 | **/\r | |
455 | BOOLEAN\r | |
7b414b4e | 456 | EFIAPI\r |
da1d0201 | 457 | NetMapIsEmpty (\r |
458 | IN NET_MAP *Map\r | |
459 | )\r | |
460 | {\r | |
461 | ASSERT (Map != NULL);\r | |
462 | return (BOOLEAN) (Map->Count == 0);\r | |
463 | }\r | |
464 | \r | |
465 | \r | |
466 | /**\r | |
467 | Return the number of the <Key, Value> pairs in the netmap.\r | |
468 | \r | |
469 | @param Map The netmap to get the entry number\r | |
470 | \r | |
471 | @return The entry number in the netmap.\r | |
472 | \r | |
473 | **/\r | |
474 | UINTN\r | |
7b414b4e | 475 | EFIAPI\r |
da1d0201 | 476 | NetMapGetCount (\r |
477 | IN NET_MAP *Map\r | |
478 | )\r | |
479 | {\r | |
480 | return Map->Count;\r | |
481 | }\r | |
482 | \r | |
483 | \r | |
484 | /**\r | |
485 | Allocate an item for the netmap. It will try to allocate\r | |
486 | a batch of items and return one.\r | |
487 | \r | |
488 | @param Map The netmap to allocate item for\r | |
489 | \r | |
490 | @return The allocated item or NULL\r | |
491 | \r | |
492 | **/\r | |
da1d0201 | 493 | NET_MAP_ITEM *\r |
494 | NetMapAllocItem (\r | |
495 | IN NET_MAP *Map\r | |
496 | )\r | |
497 | {\r | |
498 | NET_MAP_ITEM *Item;\r | |
e48e37fc | 499 | LIST_ENTRY *Head;\r |
da1d0201 | 500 | UINTN Index;\r |
501 | \r | |
502 | ASSERT (Map != NULL);\r | |
503 | \r | |
504 | Head = &Map->Recycled;\r | |
505 | \r | |
e48e37fc | 506 | if (IsListEmpty (Head)) {\r |
da1d0201 | 507 | for (Index = 0; Index < NET_MAP_INCREAMENT; Index++) {\r |
e48e37fc | 508 | Item = AllocatePool (sizeof (NET_MAP_ITEM));\r |
da1d0201 | 509 | \r |
510 | if (Item == NULL) {\r | |
511 | if (Index == 0) {\r | |
512 | return NULL;\r | |
513 | }\r | |
514 | \r | |
515 | break;\r | |
516 | }\r | |
517 | \r | |
e48e37fc | 518 | InsertHeadList (Head, &Item->Link);\r |
da1d0201 | 519 | }\r |
520 | }\r | |
521 | \r | |
522 | Item = NET_LIST_HEAD (Head, NET_MAP_ITEM, Link);\r | |
523 | NetListRemoveHead (Head);\r | |
524 | \r | |
525 | return Item;\r | |
526 | }\r | |
527 | \r | |
528 | \r | |
529 | /**\r | |
530 | Allocate an item to save the <Key, Value> pair to the head of the netmap.\r | |
531 | \r | |
532 | @param Map The netmap to insert into\r | |
533 | @param Key The user's key\r | |
534 | @param Value The user's value for the key\r | |
535 | \r | |
536 | @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item\r | |
537 | @retval EFI_SUCCESS The item is inserted to the head\r | |
538 | \r | |
539 | **/\r | |
540 | EFI_STATUS\r | |
7b414b4e | 541 | EFIAPI\r |
da1d0201 | 542 | NetMapInsertHead (\r |
543 | IN NET_MAP *Map,\r | |
544 | IN VOID *Key,\r | |
545 | IN VOID *Value OPTIONAL\r | |
546 | )\r | |
547 | {\r | |
548 | NET_MAP_ITEM *Item;\r | |
549 | \r | |
550 | ASSERT (Map != NULL);\r | |
551 | \r | |
552 | Item = NetMapAllocItem (Map);\r | |
553 | \r | |
554 | if (Item == NULL) {\r | |
555 | return EFI_OUT_OF_RESOURCES;\r | |
556 | }\r | |
557 | \r | |
558 | Item->Key = Key;\r | |
559 | Item->Value = Value;\r | |
e48e37fc | 560 | InsertHeadList (&Map->Used, &Item->Link);\r |
da1d0201 | 561 | \r |
562 | Map->Count++;\r | |
563 | return EFI_SUCCESS;\r | |
564 | }\r | |
565 | \r | |
566 | \r | |
567 | /**\r | |
568 | Allocate an item to save the <Key, Value> pair to the tail of the netmap.\r | |
569 | \r | |
570 | @param Map The netmap to insert into\r | |
571 | @param Key The user's key\r | |
572 | @param Value The user's value for the key\r | |
573 | \r | |
574 | @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item\r | |
575 | @retval EFI_SUCCESS The item is inserted to the tail\r | |
576 | \r | |
577 | **/\r | |
578 | EFI_STATUS\r | |
7b414b4e | 579 | EFIAPI\r |
da1d0201 | 580 | NetMapInsertTail (\r |
581 | IN NET_MAP *Map,\r | |
582 | IN VOID *Key,\r | |
583 | IN VOID *Value OPTIONAL\r | |
584 | )\r | |
585 | {\r | |
586 | NET_MAP_ITEM *Item;\r | |
587 | \r | |
588 | ASSERT (Map != NULL);\r | |
589 | \r | |
590 | Item = NetMapAllocItem (Map);\r | |
591 | \r | |
592 | if (Item == NULL) {\r | |
593 | return EFI_OUT_OF_RESOURCES;\r | |
594 | }\r | |
595 | \r | |
596 | Item->Key = Key;\r | |
597 | Item->Value = Value;\r | |
e48e37fc | 598 | InsertTailList (&Map->Used, &Item->Link);\r |
da1d0201 | 599 | \r |
600 | Map->Count++;\r | |
601 | \r | |
602 | return EFI_SUCCESS;\r | |
603 | }\r | |
604 | \r | |
605 | \r | |
606 | /**\r | |
607 | Check whther the item is in the Map\r | |
608 | \r | |
609 | @param Map The netmap to search within\r | |
610 | @param Item The item to search\r | |
611 | \r | |
612 | @return TRUE if the item is in the netmap, otherwise FALSE.\r | |
613 | \r | |
614 | **/\r | |
da1d0201 | 615 | BOOLEAN\r |
616 | NetItemInMap (\r | |
617 | IN NET_MAP *Map,\r | |
618 | IN NET_MAP_ITEM *Item\r | |
619 | )\r | |
620 | {\r | |
e48e37fc | 621 | LIST_ENTRY *ListEntry;\r |
da1d0201 | 622 | \r |
623 | NET_LIST_FOR_EACH (ListEntry, &Map->Used) {\r | |
624 | if (ListEntry == &Item->Link) {\r | |
625 | return TRUE;\r | |
626 | }\r | |
627 | }\r | |
628 | \r | |
629 | return FALSE;\r | |
630 | }\r | |
631 | \r | |
632 | \r | |
633 | /**\r | |
634 | Find the key in the netmap\r | |
635 | \r | |
636 | @param Map The netmap to search within\r | |
637 | @param Key The key to search\r | |
638 | \r | |
639 | @return The point to the item contains the Key, or NULL if Key isn't in the map.\r | |
640 | \r | |
641 | **/\r | |
642 | NET_MAP_ITEM *\r | |
7b414b4e | 643 | EFIAPI\r |
da1d0201 | 644 | NetMapFindKey (\r |
645 | IN NET_MAP *Map,\r | |
646 | IN VOID *Key\r | |
647 | )\r | |
648 | {\r | |
e48e37fc | 649 | LIST_ENTRY *Entry;\r |
da1d0201 | 650 | NET_MAP_ITEM *Item;\r |
651 | \r | |
652 | ASSERT (Map != NULL);\r | |
653 | \r | |
654 | NET_LIST_FOR_EACH (Entry, &Map->Used) {\r | |
655 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
656 | \r | |
657 | if (Item->Key == Key) {\r | |
658 | return Item;\r | |
659 | }\r | |
660 | }\r | |
661 | \r | |
662 | return NULL;\r | |
663 | }\r | |
664 | \r | |
665 | \r | |
666 | /**\r | |
667 | Remove the item from the netmap\r | |
668 | \r | |
669 | @param Map The netmap to remove the item from\r | |
670 | @param Item The item to remove\r | |
671 | @param Value The variable to receive the value if not NULL\r | |
672 | \r | |
673 | @return The key of the removed item.\r | |
674 | \r | |
675 | **/\r | |
676 | VOID *\r | |
7b414b4e | 677 | EFIAPI\r |
da1d0201 | 678 | NetMapRemoveItem (\r |
679 | IN NET_MAP *Map,\r | |
680 | IN NET_MAP_ITEM *Item,\r | |
681 | OUT VOID **Value OPTIONAL\r | |
682 | )\r | |
683 | {\r | |
684 | ASSERT ((Map != NULL) && (Item != NULL));\r | |
685 | ASSERT (NetItemInMap (Map, Item));\r | |
686 | \r | |
e48e37fc | 687 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 688 | Map->Count--;\r |
e48e37fc | 689 | InsertHeadList (&Map->Recycled, &Item->Link);\r |
da1d0201 | 690 | \r |
691 | if (Value != NULL) {\r | |
692 | *Value = Item->Value;\r | |
693 | }\r | |
694 | \r | |
695 | return Item->Key;\r | |
696 | }\r | |
697 | \r | |
698 | \r | |
699 | /**\r | |
700 | Remove the first entry on the netmap\r | |
701 | \r | |
702 | @param Map The netmap to remove the head from\r | |
703 | @param Value The variable to receive the value if not NULL\r | |
704 | \r | |
705 | @return The key of the item removed\r | |
706 | \r | |
707 | **/\r | |
708 | VOID *\r | |
7b414b4e | 709 | EFIAPI\r |
da1d0201 | 710 | NetMapRemoveHead (\r |
711 | IN NET_MAP *Map,\r | |
712 | OUT VOID **Value OPTIONAL\r | |
713 | )\r | |
714 | {\r | |
715 | NET_MAP_ITEM *Item;\r | |
716 | \r | |
717 | //\r | |
718 | // Often, it indicates a programming error to remove\r | |
719 | // the first entry in an empty list\r | |
720 | //\r | |
e48e37fc | 721 | ASSERT (Map && !IsListEmpty (&Map->Used));\r |
da1d0201 | 722 | \r |
723 | Item = NET_LIST_HEAD (&Map->Used, NET_MAP_ITEM, Link);\r | |
e48e37fc | 724 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 725 | Map->Count--;\r |
e48e37fc | 726 | InsertHeadList (&Map->Recycled, &Item->Link);\r |
da1d0201 | 727 | \r |
728 | if (Value != NULL) {\r | |
729 | *Value = Item->Value;\r | |
730 | }\r | |
731 | \r | |
732 | return Item->Key;\r | |
733 | }\r | |
734 | \r | |
735 | \r | |
736 | /**\r | |
737 | Remove the last entry on the netmap\r | |
738 | \r | |
739 | @param Map The netmap to remove the tail from\r | |
740 | @param Value The variable to receive the value if not NULL\r | |
741 | \r | |
742 | @return The key of the item removed\r | |
743 | \r | |
744 | **/\r | |
745 | VOID *\r | |
7b414b4e | 746 | EFIAPI\r |
da1d0201 | 747 | NetMapRemoveTail (\r |
748 | IN NET_MAP *Map,\r | |
749 | OUT VOID **Value OPTIONAL\r | |
750 | )\r | |
751 | {\r | |
752 | NET_MAP_ITEM *Item;\r | |
753 | \r | |
754 | //\r | |
755 | // Often, it indicates a programming error to remove\r | |
756 | // the last entry in an empty list\r | |
757 | //\r | |
e48e37fc | 758 | ASSERT (Map && !IsListEmpty (&Map->Used));\r |
da1d0201 | 759 | \r |
760 | Item = NET_LIST_TAIL (&Map->Used, NET_MAP_ITEM, Link);\r | |
e48e37fc | 761 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 762 | Map->Count--;\r |
e48e37fc | 763 | InsertHeadList (&Map->Recycled, &Item->Link);\r |
da1d0201 | 764 | \r |
765 | if (Value != NULL) {\r | |
766 | *Value = Item->Value;\r | |
767 | }\r | |
768 | \r | |
769 | return Item->Key;\r | |
770 | }\r | |
771 | \r | |
772 | \r | |
773 | /**\r | |
774 | Iterate through the netmap and call CallBack for each item. It will\r | |
775 | contiue the traverse if CallBack returns EFI_SUCCESS, otherwise, break\r | |
776 | from the loop. It returns the CallBack's last return value. This\r | |
777 | function is delete safe for the current item.\r | |
778 | \r | |
779 | @param Map The Map to iterate through\r | |
780 | @param CallBack The callback function to call for each item.\r | |
781 | @param Arg The opaque parameter to the callback\r | |
782 | \r | |
783 | @return It returns the CallBack's last return value.\r | |
784 | \r | |
785 | **/\r | |
786 | EFI_STATUS\r | |
7b414b4e | 787 | EFIAPI\r |
da1d0201 | 788 | NetMapIterate (\r |
789 | IN NET_MAP *Map,\r | |
790 | IN NET_MAP_CALLBACK CallBack,\r | |
791 | IN VOID *Arg\r | |
792 | )\r | |
793 | {\r | |
794 | \r | |
e48e37fc | 795 | LIST_ENTRY *Entry;\r |
796 | LIST_ENTRY *Next;\r | |
797 | LIST_ENTRY *Head;\r | |
da1d0201 | 798 | NET_MAP_ITEM *Item;\r |
799 | EFI_STATUS Result;\r | |
800 | \r | |
801 | ASSERT ((Map != NULL) && (CallBack != NULL));\r | |
802 | \r | |
803 | Head = &Map->Used;\r | |
804 | \r | |
e48e37fc | 805 | if (IsListEmpty (Head)) {\r |
da1d0201 | 806 | return EFI_SUCCESS;\r |
807 | }\r | |
808 | \r | |
809 | NET_LIST_FOR_EACH_SAFE (Entry, Next, Head) {\r | |
810 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
811 | Result = CallBack (Map, Item, Arg);\r | |
812 | \r | |
813 | if (EFI_ERROR (Result)) {\r | |
814 | return Result;\r | |
815 | }\r | |
816 | }\r | |
817 | \r | |
818 | return EFI_SUCCESS;\r | |
819 | }\r | |
820 | \r | |
821 | \r | |
822 | /**\r | |
823 | This is the default unload handle for all the network drivers.\r | |
824 | \r | |
825 | @param ImageHandle The drivers' driver image.\r | |
826 | \r | |
827 | @retval EFI_SUCCESS The image is unloaded.\r | |
828 | @retval Others Failed to unload the image.\r | |
829 | \r | |
830 | **/\r | |
831 | EFI_STATUS\r | |
832 | EFIAPI\r | |
833 | NetLibDefaultUnload (\r | |
834 | IN EFI_HANDLE ImageHandle\r | |
835 | )\r | |
836 | {\r | |
837 | EFI_STATUS Status;\r | |
838 | EFI_HANDLE *DeviceHandleBuffer;\r | |
839 | UINTN DeviceHandleCount;\r | |
840 | UINTN Index;\r | |
841 | EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r | |
842 | EFI_COMPONENT_NAME_PROTOCOL *ComponentName;\r | |
3012ce5c | 843 | EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;\r |
da1d0201 | 844 | \r |
845 | //\r | |
846 | // Get the list of all the handles in the handle database.\r | |
847 | // If there is an error getting the list, then the unload\r | |
848 | // operation fails.\r | |
849 | //\r | |
850 | Status = gBS->LocateHandleBuffer (\r | |
851 | AllHandles,\r | |
852 | NULL,\r | |
853 | NULL,\r | |
854 | &DeviceHandleCount,\r | |
855 | &DeviceHandleBuffer\r | |
856 | );\r | |
857 | \r | |
858 | if (EFI_ERROR (Status)) {\r | |
859 | return Status;\r | |
860 | }\r | |
861 | \r | |
862 | //\r | |
863 | // Disconnect the driver specified by ImageHandle from all\r | |
864 | // the devices in the handle database.\r | |
865 | //\r | |
866 | for (Index = 0; Index < DeviceHandleCount; Index++) {\r | |
867 | Status = gBS->DisconnectController (\r | |
868 | DeviceHandleBuffer[Index],\r | |
869 | ImageHandle,\r | |
870 | NULL\r | |
871 | );\r | |
872 | }\r | |
873 | \r | |
874 | //\r | |
875 | // Uninstall all the protocols installed in the driver entry point\r | |
876 | //\r | |
877 | for (Index = 0; Index < DeviceHandleCount; Index++) {\r | |
878 | Status = gBS->HandleProtocol (\r | |
879 | DeviceHandleBuffer[Index],\r | |
880 | &gEfiDriverBindingProtocolGuid,\r | |
881 | (VOID **) &DriverBinding\r | |
882 | );\r | |
883 | \r | |
884 | if (EFI_ERROR (Status)) {\r | |
885 | continue;\r | |
886 | }\r | |
887 | \r | |
888 | if (DriverBinding->ImageHandle != ImageHandle) {\r | |
889 | continue;\r | |
890 | }\r | |
891 | \r | |
892 | gBS->UninstallProtocolInterface (\r | |
893 | ImageHandle,\r | |
894 | &gEfiDriverBindingProtocolGuid,\r | |
895 | DriverBinding\r | |
896 | );\r | |
897 | Status = gBS->HandleProtocol (\r | |
898 | DeviceHandleBuffer[Index],\r | |
899 | &gEfiComponentNameProtocolGuid,\r | |
900 | (VOID **) &ComponentName\r | |
901 | );\r | |
902 | if (!EFI_ERROR (Status)) {\r | |
903 | gBS->UninstallProtocolInterface (\r | |
904 | ImageHandle,\r | |
905 | &gEfiComponentNameProtocolGuid,\r | |
906 | ComponentName\r | |
907 | );\r | |
908 | }\r | |
909 | \r | |
910 | Status = gBS->HandleProtocol (\r | |
911 | DeviceHandleBuffer[Index],\r | |
3012ce5c | 912 | &gEfiComponentName2ProtocolGuid,\r |
913 | (VOID **) &ComponentName2\r | |
da1d0201 | 914 | );\r |
da1d0201 | 915 | if (!EFI_ERROR (Status)) {\r |
916 | gBS->UninstallProtocolInterface (\r | |
3012ce5c | 917 | ImageHandle,\r |
918 | &gEfiComponentName2ProtocolGuid,\r | |
919 | ComponentName2\r | |
920 | );\r | |
da1d0201 | 921 | }\r |
922 | }\r | |
923 | \r | |
924 | //\r | |
925 | // Free the buffer containing the list of handles from the handle database\r | |
926 | //\r | |
927 | if (DeviceHandleBuffer != NULL) {\r | |
928 | gBS->FreePool (DeviceHandleBuffer);\r | |
929 | }\r | |
930 | \r | |
931 | return EFI_SUCCESS;\r | |
932 | }\r | |
933 | \r | |
934 | \r | |
935 | \r | |
936 | /**\r | |
937 | Create a child of the service that is identified by ServiceBindingGuid.\r | |
938 | \r | |
939 | @param Controller The controller which has the service installed.\r | |
940 | @param Image The image handle used to open service.\r | |
941 | @param ServiceBindingGuid The service's Guid.\r | |
942 | @param ChildHandle The handle to receive the create child\r | |
943 | \r | |
944 | @retval EFI_SUCCESS The child is successfully created.\r | |
945 | @retval Others Failed to create the child.\r | |
946 | \r | |
947 | **/\r | |
948 | EFI_STATUS\r | |
7b414b4e | 949 | EFIAPI\r |
da1d0201 | 950 | NetLibCreateServiceChild (\r |
951 | IN EFI_HANDLE Controller,\r | |
952 | IN EFI_HANDLE Image,\r | |
953 | IN EFI_GUID *ServiceBindingGuid,\r | |
954 | OUT EFI_HANDLE *ChildHandle\r | |
955 | )\r | |
956 | {\r | |
957 | EFI_STATUS Status;\r | |
958 | EFI_SERVICE_BINDING_PROTOCOL *Service;\r | |
959 | \r | |
960 | \r | |
961 | ASSERT ((ServiceBindingGuid != NULL) && (ChildHandle != NULL));\r | |
962 | \r | |
963 | //\r | |
964 | // Get the ServiceBinding Protocol\r | |
965 | //\r | |
966 | Status = gBS->OpenProtocol (\r | |
967 | Controller,\r | |
968 | ServiceBindingGuid,\r | |
969 | (VOID **) &Service,\r | |
970 | Image,\r | |
971 | Controller,\r | |
972 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
973 | );\r | |
974 | \r | |
975 | if (EFI_ERROR (Status)) {\r | |
976 | return Status;\r | |
977 | }\r | |
978 | \r | |
979 | //\r | |
980 | // Create a child\r | |
981 | //\r | |
982 | Status = Service->CreateChild (Service, ChildHandle);\r | |
983 | return Status;\r | |
984 | }\r | |
985 | \r | |
986 | \r | |
987 | /**\r | |
988 | Destory a child of the service that is identified by ServiceBindingGuid.\r | |
989 | \r | |
990 | @param Controller The controller which has the service installed.\r | |
991 | @param Image The image handle used to open service.\r | |
992 | @param ServiceBindingGuid The service's Guid.\r | |
993 | @param ChildHandle The child to destory\r | |
994 | \r | |
995 | @retval EFI_SUCCESS The child is successfully destoried.\r | |
996 | @retval Others Failed to destory the child.\r | |
997 | \r | |
998 | **/\r | |
999 | EFI_STATUS\r | |
7b414b4e | 1000 | EFIAPI\r |
da1d0201 | 1001 | NetLibDestroyServiceChild (\r |
1002 | IN EFI_HANDLE Controller,\r | |
1003 | IN EFI_HANDLE Image,\r | |
1004 | IN EFI_GUID *ServiceBindingGuid,\r | |
1005 | IN EFI_HANDLE ChildHandle\r | |
1006 | )\r | |
1007 | {\r | |
1008 | EFI_STATUS Status;\r | |
1009 | EFI_SERVICE_BINDING_PROTOCOL *Service;\r | |
1010 | \r | |
1011 | ASSERT (ServiceBindingGuid != NULL);\r | |
1012 | \r | |
1013 | //\r | |
1014 | // Get the ServiceBinding Protocol\r | |
1015 | //\r | |
1016 | Status = gBS->OpenProtocol (\r | |
1017 | Controller,\r | |
1018 | ServiceBindingGuid,\r | |
1019 | (VOID **) &Service,\r | |
1020 | Image,\r | |
1021 | Controller,\r | |
1022 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1023 | );\r | |
1024 | \r | |
1025 | if (EFI_ERROR (Status)) {\r | |
1026 | return Status;\r | |
1027 | }\r | |
1028 | \r | |
1029 | //\r | |
1030 | // destory the child\r | |
1031 | //\r | |
1032 | Status = Service->DestroyChild (Service, ChildHandle);\r | |
1033 | return Status;\r | |
1034 | }\r | |
1035 | \r | |
1036 | \r | |
1037 | /**\r | |
1038 | Convert the mac address of the simple network protocol installed on\r | |
1039 | SnpHandle to a unicode string. Callers are responsible for freeing the\r | |
1040 | string storage.\r | |
1041 | \r | |
1042 | @param SnpHandle The handle where the simple network protocol is\r | |
1043 | installed on.\r | |
1044 | @param ImageHandle The image handle used to act as the agent handle to\r | |
1045 | get the simple network protocol.\r | |
1046 | @param MacString The pointer to store the address of the string\r | |
1047 | representation of the mac address.\r | |
1048 | \r | |
1049 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resource.\r | |
1050 | @retval other Failed to open the simple network protocol.\r | |
1051 | \r | |
1052 | **/\r | |
1053 | EFI_STATUS\r | |
7b414b4e | 1054 | EFIAPI\r |
da1d0201 | 1055 | NetLibGetMacString (\r |
1056 | IN EFI_HANDLE SnpHandle,\r | |
1057 | IN EFI_HANDLE ImageHandle,\r | |
1058 | IN OUT CHAR16 **MacString\r | |
1059 | )\r | |
1060 | {\r | |
1061 | EFI_STATUS Status;\r | |
1062 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
1063 | EFI_SIMPLE_NETWORK_MODE *Mode;\r | |
1064 | CHAR16 *MacAddress;\r | |
1065 | UINTN Index;\r | |
1066 | \r | |
1067 | *MacString = NULL;\r | |
1068 | \r | |
1069 | //\r | |
1070 | // Get the Simple Network protocol from the SnpHandle.\r | |
1071 | //\r | |
1072 | Status = gBS->OpenProtocol (\r | |
1073 | SnpHandle,\r | |
1074 | &gEfiSimpleNetworkProtocolGuid,\r | |
1075 | (VOID **) &Snp,\r | |
1076 | ImageHandle,\r | |
1077 | SnpHandle,\r | |
1078 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1079 | );\r | |
1080 | if (EFI_ERROR (Status)) {\r | |
1081 | return Status;\r | |
1082 | }\r | |
1083 | \r | |
1084 | Mode = Snp->Mode;\r | |
1085 | \r | |
1086 | //\r | |
1087 | // It takes 2 unicode characters to represent a 1 byte binary buffer.\r | |
1088 | // Plus one unicode character for the null-terminator.\r | |
1089 | //\r | |
e48e37fc | 1090 | MacAddress = AllocatePool ((2 * Mode->HwAddressSize + 1) * sizeof (CHAR16));\r |
da1d0201 | 1091 | if (MacAddress == NULL) {\r |
1092 | return EFI_OUT_OF_RESOURCES;\r | |
1093 | }\r | |
1094 | \r | |
1095 | //\r | |
1096 | // Convert the mac address into a unicode string.\r | |
1097 | //\r | |
1098 | for (Index = 0; Index < Mode->HwAddressSize; Index++) {\r | |
ac7e320c LG |
1099 | MacAddress[Index * 2] = (CHAR16) mNetLibHexStr[(Mode->CurrentAddress.Addr[Index] >> 4) & 0x0F];\r |
1100 | MacAddress[Index * 2 + 1] = (CHAR16) mNetLibHexStr[Mode->CurrentAddress.Addr[Index] & 0x0F];\r | |
da1d0201 | 1101 | }\r |
1102 | \r | |
1103 | MacAddress[Mode->HwAddressSize * 2] = L'\0';\r | |
1104 | \r | |
1105 | *MacString = MacAddress;\r | |
1106 | \r | |
1107 | return EFI_SUCCESS;\r | |
1108 | }\r | |
1109 | \r | |
1110 | /**\r | |
1111 | Check the default address used by the IPv4 driver is static or dynamic (acquired\r | |
1112 | from DHCP).\r | |
1113 | \r | |
1114 | @param Controller The controller handle which has the NIC Ip4 Config Protocol\r | |
1115 | relative with the default address to judge.\r | |
1116 | \r | |
1117 | @retval TRUE If the default address is static.\r | |
1118 | @retval FALSE If the default address is acquired from DHCP.\r | |
1119 | \r | |
1120 | **/\r | |
da1d0201 | 1121 | BOOLEAN\r |
1122 | NetLibDefaultAddressIsStatic (\r | |
1123 | IN EFI_HANDLE Controller\r | |
1124 | )\r | |
1125 | {\r | |
1126 | EFI_STATUS Status;\r | |
1127 | EFI_NIC_IP4_CONFIG_PROTOCOL *NicIp4;\r | |
1128 | UINTN Len;\r | |
1129 | NIC_IP4_CONFIG_INFO *ConfigInfo;\r | |
1130 | BOOLEAN IsStatic;\r | |
1131 | \r | |
1132 | Status = gBS->HandleProtocol (\r | |
1133 | Controller,\r | |
1134 | &gEfiNicIp4ConfigProtocolGuid,\r | |
1135 | (VOID **) &NicIp4\r | |
1136 | );\r | |
1137 | if (EFI_ERROR (Status)) {\r | |
1138 | return TRUE;\r | |
1139 | }\r | |
1140 | \r | |
1141 | Len = 0;\r | |
1142 | Status = NicIp4->GetInfo (NicIp4, &Len, NULL);\r | |
1143 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1144 | return TRUE;\r | |
1145 | }\r | |
1146 | \r | |
e48e37fc | 1147 | ConfigInfo = AllocatePool (Len);\r |
da1d0201 | 1148 | if (ConfigInfo == NULL) {\r |
1149 | return TRUE;\r | |
1150 | }\r | |
1151 | \r | |
1152 | IsStatic = TRUE;\r | |
1153 | Status = NicIp4->GetInfo (NicIp4, &Len, ConfigInfo);\r | |
1154 | if (EFI_ERROR (Status)) {\r | |
1155 | goto ON_EXIT;\r | |
1156 | }\r | |
1157 | \r | |
1158 | IsStatic = (BOOLEAN) (ConfigInfo->Source == IP4_CONFIG_SOURCE_STATIC);\r | |
1159 | \r | |
1160 | ON_EXIT:\r | |
1161 | \r | |
e48e37fc | 1162 | gBS->FreePool (ConfigInfo);\r |
da1d0201 | 1163 | \r |
1164 | return IsStatic;\r | |
1165 | }\r | |
1166 | \r | |
1167 | /**\r | |
1168 | Create an IPv4 device path node.\r | |
1169 | \r | |
1170 | @param Node Pointer to the IPv4 device path node.\r | |
1171 | @param Controller The handle where the NIC IP4 config protocol resides.\r | |
1172 | @param LocalIp The local IPv4 address.\r | |
1173 | @param LocalPort The local port.\r | |
1174 | @param RemoteIp The remote IPv4 address.\r | |
1175 | @param RemotePort The remote port.\r | |
1176 | @param Protocol The protocol type in the IP header.\r | |
1177 | @param UseDefaultAddress Whether this instance is using default address or not.\r | |
1178 | \r | |
1179 | @retval None\r | |
1180 | **/\r | |
1181 | VOID\r | |
7b414b4e | 1182 | EFIAPI\r |
da1d0201 | 1183 | NetLibCreateIPv4DPathNode (\r |
1184 | IN OUT IPv4_DEVICE_PATH *Node,\r | |
1185 | IN EFI_HANDLE Controller,\r | |
1186 | IN IP4_ADDR LocalIp,\r | |
1187 | IN UINT16 LocalPort,\r | |
1188 | IN IP4_ADDR RemoteIp,\r | |
1189 | IN UINT16 RemotePort,\r | |
1190 | IN UINT16 Protocol,\r | |
1191 | IN BOOLEAN UseDefaultAddress\r | |
1192 | )\r | |
1193 | {\r | |
1194 | Node->Header.Type = MESSAGING_DEVICE_PATH;\r | |
1195 | Node->Header.SubType = MSG_IPv4_DP;\r | |
1196 | SetDevicePathNodeLength (&Node->Header, 19);\r | |
1197 | \r | |
e48e37fc | 1198 | CopyMem (&Node->LocalIpAddress, &LocalIp, sizeof (EFI_IPv4_ADDRESS));\r |
1199 | CopyMem (&Node->RemoteIpAddress, &RemoteIp, sizeof (EFI_IPv4_ADDRESS));\r | |
da1d0201 | 1200 | \r |
1201 | Node->LocalPort = LocalPort;\r | |
1202 | Node->RemotePort = RemotePort;\r | |
1203 | \r | |
1204 | Node->Protocol = Protocol;\r | |
1205 | \r | |
1206 | if (!UseDefaultAddress) {\r | |
1207 | Node->StaticIpAddress = TRUE;\r | |
1208 | } else {\r | |
1209 | Node->StaticIpAddress = NetLibDefaultAddressIsStatic (Controller);\r | |
1210 | }\r | |
1211 | }\r | |
1212 | \r | |
1213 | \r | |
1214 | /**\r | |
1215 | Find the UNDI/SNP handle from controller and protocol GUID.\r | |
1216 | For example, IP will open a MNP child to transmit/receive\r | |
1217 | packets, when MNP is stopped, IP should also be stopped. IP\r | |
1218 | needs to find its own private data which is related the IP's\r | |
1219 | service binding instance that is install on UNDI/SNP handle.\r | |
1220 | Now, the controller is either a MNP or ARP child handle. But\r | |
1221 | IP opens these handle BY_DRIVER, use that info, we can get the\r | |
1222 | UNDI/SNP handle.\r | |
1223 | \r | |
1224 | @param Controller Then protocol handle to check\r | |
1225 | @param ProtocolGuid The protocol that is related with the handle.\r | |
1226 | \r | |
1227 | @return The UNDI/SNP handle or NULL.\r | |
1228 | \r | |
1229 | **/\r | |
1230 | EFI_HANDLE\r | |
7b414b4e | 1231 | EFIAPI\r |
da1d0201 | 1232 | NetLibGetNicHandle (\r |
1233 | IN EFI_HANDLE Controller,\r | |
1234 | IN EFI_GUID *ProtocolGuid\r | |
1235 | )\r | |
1236 | {\r | |
1237 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenBuffer;\r | |
1238 | EFI_HANDLE Handle;\r | |
1239 | EFI_STATUS Status;\r | |
1240 | UINTN OpenCount;\r | |
1241 | UINTN Index;\r | |
1242 | \r | |
1243 | Status = gBS->OpenProtocolInformation (\r | |
1244 | Controller,\r | |
1245 | ProtocolGuid,\r | |
1246 | &OpenBuffer,\r | |
1247 | &OpenCount\r | |
1248 | );\r | |
1249 | \r | |
1250 | if (EFI_ERROR (Status)) {\r | |
1251 | return NULL;\r | |
1252 | }\r | |
1253 | \r | |
1254 | Handle = NULL;\r | |
1255 | \r | |
1256 | for (Index = 0; Index < OpenCount; Index++) {\r | |
1257 | if (OpenBuffer[Index].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) {\r | |
1258 | Handle = OpenBuffer[Index].ControllerHandle;\r | |
1259 | break;\r | |
1260 | }\r | |
1261 | }\r | |
1262 | \r | |
1263 | gBS->FreePool (OpenBuffer);\r | |
1264 | return Handle;\r | |
1265 | }\r | |
1266 | \r | |
36ee91ca | 1267 | /**\r |
1268 | Add a Deferred Procedure Call to the end of the DPC queue.\r | |
1269 | \r | |
1270 | @DpcTpl The EFI_TPL that the DPC should be invoked.\r | |
1271 | @DpcProcedure Pointer to the DPC's function.\r | |
1272 | @DpcContext Pointer to the DPC's context. Passed to DpcProcedure\r | |
1273 | when DpcProcedure is invoked.\r | |
1274 | \r | |
1275 | @retval EFI_SUCCESS The DPC was queued.\r | |
1276 | @retval EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.\r | |
1277 | DpcProcedure is NULL.\r | |
1278 | @retval EFI_OUT_OF_RESOURCES There are not enough resources available to\r | |
1279 | add the DPC to the queue.\r | |
1280 | \r | |
1281 | **/\r | |
1282 | EFI_STATUS\r | |
7b414b4e | 1283 | EFIAPI\r |
36ee91ca | 1284 | NetLibQueueDpc (\r |
1285 | IN EFI_TPL DpcTpl,\r | |
1286 | IN EFI_DPC_PROCEDURE DpcProcedure,\r | |
1287 | IN VOID *DpcContext OPTIONAL\r | |
1288 | )\r | |
1289 | {\r | |
1290 | return mDpc->QueueDpc (mDpc, DpcTpl, DpcProcedure, DpcContext);\r | |
1291 | }\r | |
1292 | \r | |
1293 | /**\r | |
1294 | Add a Deferred Procedure Call to the end of the DPC queue.\r | |
1295 | \r | |
1296 | @retval EFI_SUCCESS One or more DPCs were invoked.\r | |
1297 | @retval EFI_NOT_FOUND No DPCs were invoked.\r | |
1298 | \r | |
1299 | **/\r | |
1300 | EFI_STATUS\r | |
7b414b4e | 1301 | EFIAPI\r |
36ee91ca | 1302 | NetLibDispatchDpc (\r |
1303 | VOID\r | |
1304 | )\r | |
1305 | {\r | |
1306 | return mDpc->DispatchDpc(mDpc);\r | |
1307 | }\r | |
1308 | \r | |
1309 | \r | |
1310 | /**\r | |
1311 | The constructor function caches the pointer to DPC protocol.\r | |
1312 | \r | |
1313 | The constructor function locates DPC protocol from protocol database.\r | |
1314 | It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.\r | |
1315 | \r | |
1316 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
1317 | @param SystemTable A pointer to the EFI System Table.\r | |
1318 | \r | |
1319 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r | |
1320 | \r | |
1321 | **/\r | |
1322 | EFI_STATUS\r | |
1323 | EFIAPI\r | |
1324 | NetLibConstructor (\r | |
1325 | IN EFI_HANDLE ImageHandle,\r | |
1326 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1327 | )\r | |
1328 | {\r | |
1329 | EFI_STATUS Status;\r | |
1330 | \r | |
1331 | Status = gBS->LocateProtocol (&gEfiDpcProtocolGuid, NULL, (VOID**) &mDpc);\r | |
1332 | ASSERT_EFI_ERROR (Status);\r | |
1333 | ASSERT (mDpc != NULL);\r | |
1334 | \r | |
1335 | return Status;\r | |
1336 | }\r |