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