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da1d0201 | 1 | /** @file\r |
3e7104c2 | 2 | Network library.\r |
1204fe83 | 3 | \r |
9f5ca5ef | 4 | Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<BR>\r |
33ecfa8a | 5 | (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r |
cd5ebaa0 | 6 | This program and the accompanying materials\r |
da1d0201 | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
da1d0201 | 13 | **/\r |
14 | \r | |
3e7104c2 | 15 | #include <Uefi.h>\r |
da1d0201 | 16 | \r |
57b301b5 | 17 | #include <IndustryStandard/SmBios.h>\r |
18 | \r | |
752ef5d8 | 19 | #include <Protocol/DriverBinding.h>\r |
da1d0201 | 20 | #include <Protocol/ServiceBinding.h>\r |
21 | #include <Protocol/SimpleNetwork.h>\r | |
1204fe83 | 22 | #include <Protocol/ManagedNetwork.h>\r |
6c5c70d6 | 23 | #include <Protocol/Ip4Config2.h>\r |
3012ce5c | 24 | #include <Protocol/ComponentName.h>\r |
25 | #include <Protocol/ComponentName2.h>\r | |
da1d0201 | 26 | \r |
57b301b5 | 27 | #include <Guid/SmBios.h>\r |
63886849 | 28 | \r |
da1d0201 | 29 | #include <Library/NetLib.h>\r |
30 | #include <Library/BaseLib.h>\r | |
31 | #include <Library/DebugLib.h>\r | |
32 | #include <Library/BaseMemoryLib.h>\r | |
33 | #include <Library/UefiBootServicesTableLib.h>\r | |
34 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
da1d0201 | 35 | #include <Library/MemoryAllocationLib.h>\r |
1232b214 | 36 | #include <Library/DevicePathLib.h>\r |
63886849 | 37 | #include <Library/PrintLib.h>\r |
1dc1b43f | 38 | #include <Library/UefiLib.h>\r |
da1d0201 | 39 | \r |
ce4106be | 40 | #define NIC_ITEM_CONFIG_SIZE sizeof (NIC_IP4_CONFIG_INFO) + sizeof (EFI_IP4_ROUTE_TABLE) * MAX_IP4_CONFIG_IN_VARIABLE\r |
216f7970 | 41 | #define DEFAULT_ZERO_START ((UINTN) ~0)\r |
63886849 | 42 | \r |
da1d0201 | 43 | //\r |
44 | // All the supported IP4 maskes in host byte order.\r | |
45 | //\r | |
1204fe83 | 46 | GLOBAL_REMOVE_IF_UNREFERENCED IP4_ADDR gIp4AllMasks[IP4_MASK_NUM] = {\r |
da1d0201 | 47 | 0x00000000,\r |
48 | 0x80000000,\r | |
49 | 0xC0000000,\r | |
50 | 0xE0000000,\r | |
51 | 0xF0000000,\r | |
52 | 0xF8000000,\r | |
53 | 0xFC000000,\r | |
54 | 0xFE000000,\r | |
55 | \r | |
56 | 0xFF000000,\r | |
57 | 0xFF800000,\r | |
58 | 0xFFC00000,\r | |
59 | 0xFFE00000,\r | |
60 | 0xFFF00000,\r | |
61 | 0xFFF80000,\r | |
62 | 0xFFFC0000,\r | |
63 | 0xFFFE0000,\r | |
64 | \r | |
65 | 0xFFFF0000,\r | |
66 | 0xFFFF8000,\r | |
67 | 0xFFFFC000,\r | |
68 | 0xFFFFE000,\r | |
69 | 0xFFFFF000,\r | |
70 | 0xFFFFF800,\r | |
71 | 0xFFFFFC00,\r | |
72 | 0xFFFFFE00,\r | |
73 | \r | |
74 | 0xFFFFFF00,\r | |
75 | 0xFFFFFF80,\r | |
76 | 0xFFFFFFC0,\r | |
77 | 0xFFFFFFE0,\r | |
78 | 0xFFFFFFF0,\r | |
79 | 0xFFFFFFF8,\r | |
80 | 0xFFFFFFFC,\r | |
81 | 0xFFFFFFFE,\r | |
82 | 0xFFFFFFFF,\r | |
83 | };\r | |
84 | \r | |
1204fe83 | 85 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_IPv4_ADDRESS mZeroIp4Addr = {{0, 0, 0, 0}};\r |
da1d0201 | 86 | \r |
f6b7393c | 87 | //\r |
1204fe83 | 88 | // Any error level digitally larger than mNetDebugLevelMax\r |
f6b7393c | 89 | // will be silently discarded.\r |
90 | //\r | |
1204fe83 | 91 | GLOBAL_REMOVE_IF_UNREFERENCED UINTN mNetDebugLevelMax = NETDEBUG_LEVEL_ERROR;\r |
92 | GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mSyslogPacketSeq = 0xDEADBEEF;\r | |
f6b7393c | 93 | \r |
f6b7393c | 94 | //\r |
1204fe83 | 95 | // You can change mSyslogDstMac mSyslogDstIp and mSyslogSrcIp\r |
96 | // here to direct the syslog packets to the syslog deamon. The\r | |
97 | // default is broadcast to both the ethernet and IP.\r | |
98 | //\r | |
99 | GLOBAL_REMOVE_IF_UNREFERENCED UINT8 mSyslogDstMac[NET_ETHER_ADDR_LEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r | |
100 | GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mSyslogDstIp = 0xffffffff;\r | |
101 | GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mSyslogSrcIp = 0;\r | |
f6b7393c | 102 | \r |
1204fe83 | 103 | GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *mMonthName[] = {\r |
f6b7393c | 104 | "Jan",\r |
105 | "Feb",\r | |
106 | "Mar",\r | |
107 | "Apr",\r | |
108 | "May",\r | |
109 | "Jun",\r | |
110 | "Jul",\r | |
111 | "Aug",\r | |
112 | "Sep",\r | |
113 | "Oct",\r | |
114 | "Nov",\r | |
115 | "Dec"\r | |
116 | };\r | |
117 | \r | |
779ae357 | 118 | //\r |
119 | // VLAN device path node template\r | |
120 | //\r | |
121 | GLOBAL_REMOVE_IF_UNREFERENCED VLAN_DEVICE_PATH mNetVlanDevicePathTemplate = {\r | |
122 | {\r | |
123 | MESSAGING_DEVICE_PATH,\r | |
124 | MSG_VLAN_DP,\r | |
125 | {\r | |
126 | (UINT8) (sizeof (VLAN_DEVICE_PATH)),\r | |
127 | (UINT8) ((sizeof (VLAN_DEVICE_PATH)) >> 8)\r | |
128 | }\r | |
129 | },\r | |
130 | 0\r | |
131 | };\r | |
132 | \r | |
f6b7393c | 133 | /**\r |
1204fe83 | 134 | Locate the handles that support SNP, then open one of them\r |
f6b7393c | 135 | to send the syslog packets. The caller isn't required to close\r |
136 | the SNP after use because the SNP is opened by HandleProtocol.\r | |
137 | \r | |
138 | @return The point to SNP if one is properly openned. Otherwise NULL\r | |
139 | \r | |
140 | **/\r | |
141 | EFI_SIMPLE_NETWORK_PROTOCOL *\r | |
142 | SyslogLocateSnp (\r | |
143 | VOID\r | |
144 | )\r | |
145 | {\r | |
146 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
147 | EFI_STATUS Status;\r | |
148 | EFI_HANDLE *Handles;\r | |
149 | UINTN HandleCount;\r | |
150 | UINTN Index;\r | |
151 | \r | |
152 | //\r | |
153 | // Locate the handles which has SNP installed.\r | |
154 | //\r | |
155 | Handles = NULL;\r | |
156 | Status = gBS->LocateHandleBuffer (\r | |
157 | ByProtocol,\r | |
158 | &gEfiSimpleNetworkProtocolGuid,\r | |
159 | NULL,\r | |
160 | &HandleCount,\r | |
161 | &Handles\r | |
162 | );\r | |
163 | \r | |
164 | if (EFI_ERROR (Status) || (HandleCount == 0)) {\r | |
165 | return NULL;\r | |
166 | }\r | |
1204fe83 | 167 | \r |
f6b7393c | 168 | //\r |
169 | // Try to open one of the ethernet SNP protocol to send packet\r | |
170 | //\r | |
171 | Snp = NULL;\r | |
1204fe83 | 172 | \r |
f6b7393c | 173 | for (Index = 0; Index < HandleCount; Index++) {\r |
174 | Status = gBS->HandleProtocol (\r | |
175 | Handles[Index],\r | |
176 | &gEfiSimpleNetworkProtocolGuid,\r | |
177 | (VOID **) &Snp\r | |
178 | );\r | |
179 | \r | |
1204fe83 | 180 | if ((Status == EFI_SUCCESS) && (Snp != NULL) &&\r |
f6b7393c | 181 | (Snp->Mode->IfType == NET_IFTYPE_ETHERNET) &&\r |
182 | (Snp->Mode->MaxPacketSize >= NET_SYSLOG_PACKET_LEN)) {\r | |
1204fe83 | 183 | \r |
f6b7393c | 184 | break;\r |
185 | }\r | |
186 | \r | |
187 | Snp = NULL;\r | |
188 | }\r | |
189 | \r | |
ad108abe | 190 | FreePool (Handles);\r |
f6b7393c | 191 | return Snp;\r |
192 | }\r | |
193 | \r | |
194 | /**\r | |
195 | Transmit a syslog packet synchronously through SNP. The Packet\r | |
1204fe83 | 196 | already has the ethernet header prepended. This function should\r |
f6b7393c | 197 | fill in the source MAC because it will try to locate a SNP each\r |
198 | time it is called to avoid the problem if SNP is unloaded.\r | |
1204fe83 | 199 | This code snip is copied from MNP.\r |
200 | \r | |
201 | @param[in] Packet The Syslog packet\r | |
202 | @param[in] Length The length of the packet\r | |
f6b7393c | 203 | \r |
1204fe83 | 204 | @retval EFI_DEVICE_ERROR Failed to locate a usable SNP protocol\r |
205 | @retval EFI_TIMEOUT Timeout happened to send the packet.\r | |
206 | @retval EFI_SUCCESS Packet is sent.\r | |
f6b7393c | 207 | \r |
f6b7393c | 208 | **/\r |
209 | EFI_STATUS\r | |
210 | SyslogSendPacket (\r | |
211 | IN CHAR8 *Packet,\r | |
212 | IN UINT32 Length\r | |
213 | )\r | |
214 | {\r | |
215 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
216 | ETHER_HEAD *Ether;\r | |
217 | EFI_STATUS Status;\r | |
218 | EFI_EVENT TimeoutEvent;\r | |
219 | UINT8 *TxBuf;\r | |
220 | \r | |
221 | Snp = SyslogLocateSnp ();\r | |
222 | \r | |
223 | if (Snp == NULL) {\r | |
224 | return EFI_DEVICE_ERROR;\r | |
225 | }\r | |
226 | \r | |
227 | Ether = (ETHER_HEAD *) Packet;\r | |
228 | CopyMem (Ether->SrcMac, Snp->Mode->CurrentAddress.Addr, NET_ETHER_ADDR_LEN);\r | |
229 | \r | |
230 | //\r | |
231 | // Start the timeout event.\r | |
232 | //\r | |
233 | Status = gBS->CreateEvent (\r | |
234 | EVT_TIMER,\r | |
235 | TPL_NOTIFY,\r | |
236 | NULL,\r | |
237 | NULL,\r | |
238 | &TimeoutEvent\r | |
239 | );\r | |
240 | \r | |
241 | if (EFI_ERROR (Status)) {\r | |
242 | return Status;\r | |
243 | }\r | |
244 | \r | |
245 | Status = gBS->SetTimer (TimeoutEvent, TimerRelative, NET_SYSLOG_TX_TIMEOUT);\r | |
246 | \r | |
247 | if (EFI_ERROR (Status)) {\r | |
248 | goto ON_EXIT;\r | |
249 | }\r | |
250 | \r | |
251 | for (;;) {\r | |
252 | //\r | |
253 | // Transmit the packet through SNP.\r | |
254 | //\r | |
255 | Status = Snp->Transmit (Snp, 0, Length, Packet, NULL, NULL, NULL);\r | |
256 | \r | |
257 | if ((Status != EFI_SUCCESS) && (Status != EFI_NOT_READY)) {\r | |
258 | Status = EFI_DEVICE_ERROR;\r | |
259 | break;\r | |
260 | }\r | |
1204fe83 | 261 | \r |
f6b7393c | 262 | //\r |
263 | // If Status is EFI_SUCCESS, the packet is put in the transmit queue.\r | |
264 | // if Status is EFI_NOT_READY, the transmit engine of the network\r | |
265 | // interface is busy. Both need to sync SNP.\r | |
266 | //\r | |
267 | TxBuf = NULL;\r | |
268 | \r | |
269 | do {\r | |
270 | //\r | |
271 | // Get the recycled transmit buffer status.\r | |
272 | //\r | |
273 | Snp->GetStatus (Snp, NULL, (VOID **) &TxBuf);\r | |
274 | \r | |
275 | if (!EFI_ERROR (gBS->CheckEvent (TimeoutEvent))) {\r | |
276 | Status = EFI_TIMEOUT;\r | |
277 | break;\r | |
278 | }\r | |
279 | \r | |
280 | } while (TxBuf == NULL);\r | |
281 | \r | |
282 | if ((Status == EFI_SUCCESS) || (Status == EFI_TIMEOUT)) {\r | |
283 | break;\r | |
284 | }\r | |
1204fe83 | 285 | \r |
f6b7393c | 286 | //\r |
287 | // Status is EFI_NOT_READY. Restart the timer event and\r | |
288 | // call Snp->Transmit again.\r | |
289 | //\r | |
290 | gBS->SetTimer (TimeoutEvent, TimerRelative, NET_SYSLOG_TX_TIMEOUT);\r | |
291 | }\r | |
292 | \r | |
293 | gBS->SetTimer (TimeoutEvent, TimerCancel, 0);\r | |
294 | \r | |
295 | ON_EXIT:\r | |
296 | gBS->CloseEvent (TimeoutEvent);\r | |
297 | return Status;\r | |
298 | }\r | |
299 | \r | |
300 | /**\r | |
1204fe83 | 301 | Build a syslog packet, including the Ethernet/Ip/Udp headers\r |
302 | and user's message.\r | |
f6b7393c | 303 | \r |
3b28e744 | 304 | @param[in] Level Syslog severity level\r |
1204fe83 | 305 | @param[in] Module The module that generates the log\r |
306 | @param[in] File The file that contains the current log\r | |
307 | @param[in] Line The line of code in the File that contains the current log\r | |
308 | @param[in] Message The log message\r | |
309 | @param[in] BufLen The lenght of the Buf\r | |
310 | @param[out] Buf The buffer to put the packet data\r | |
f6b7393c | 311 | \r |
1204fe83 | 312 | @return The length of the syslog packet built.\r |
f6b7393c | 313 | \r |
314 | **/\r | |
315 | UINT32\r | |
316 | SyslogBuildPacket (\r | |
317 | IN UINT32 Level,\r | |
318 | IN UINT8 *Module,\r | |
319 | IN UINT8 *File,\r | |
320 | IN UINT32 Line,\r | |
321 | IN UINT8 *Message,\r | |
322 | IN UINT32 BufLen,\r | |
1204fe83 | 323 | OUT CHAR8 *Buf\r |
f6b7393c | 324 | )\r |
325 | {\r | |
326 | ETHER_HEAD *Ether;\r | |
327 | IP4_HEAD *Ip4;\r | |
328 | EFI_UDP_HEADER *Udp4;\r | |
329 | EFI_TIME Time;\r | |
330 | UINT32 Pri;\r | |
331 | UINT32 Len;\r | |
332 | \r | |
333 | //\r | |
1204fe83 | 334 | // Fill in the Ethernet header. Leave alone the source MAC.\r |
f6b7393c | 335 | // SyslogSendPacket will fill in the address for us.\r |
336 | //\r | |
337 | Ether = (ETHER_HEAD *) Buf;\r | |
338 | CopyMem (Ether->DstMac, mSyslogDstMac, NET_ETHER_ADDR_LEN);\r | |
339 | ZeroMem (Ether->SrcMac, NET_ETHER_ADDR_LEN);\r | |
340 | \r | |
341 | Ether->EtherType = HTONS (0x0800); // IPv4 protocol\r | |
342 | \r | |
343 | Buf += sizeof (ETHER_HEAD);\r | |
344 | BufLen -= sizeof (ETHER_HEAD);\r | |
345 | \r | |
346 | //\r | |
347 | // Fill in the IP header\r | |
348 | //\r | |
349 | Ip4 = (IP4_HEAD *) Buf;\r | |
350 | Ip4->HeadLen = 5;\r | |
351 | Ip4->Ver = 4;\r | |
352 | Ip4->Tos = 0;\r | |
353 | Ip4->TotalLen = 0;\r | |
354 | Ip4->Id = (UINT16) mSyslogPacketSeq;\r | |
355 | Ip4->Fragment = 0;\r | |
356 | Ip4->Ttl = 16;\r | |
357 | Ip4->Protocol = 0x11;\r | |
358 | Ip4->Checksum = 0;\r | |
359 | Ip4->Src = mSyslogSrcIp;\r | |
360 | Ip4->Dst = mSyslogDstIp;\r | |
361 | \r | |
362 | Buf += sizeof (IP4_HEAD);\r | |
363 | BufLen -= sizeof (IP4_HEAD);\r | |
364 | \r | |
365 | //\r | |
366 | // Fill in the UDP header, Udp checksum is optional. Leave it zero.\r | |
367 | //\r | |
368 | Udp4 = (EFI_UDP_HEADER *) Buf;\r | |
369 | Udp4->SrcPort = HTONS (514);\r | |
370 | Udp4->DstPort = HTONS (514);\r | |
371 | Udp4->Length = 0;\r | |
372 | Udp4->Checksum = 0;\r | |
373 | \r | |
374 | Buf += sizeof (EFI_UDP_HEADER);\r | |
375 | BufLen -= sizeof (EFI_UDP_HEADER);\r | |
376 | \r | |
377 | //\r | |
378 | // Build the syslog message body with <PRI> Timestamp machine module Message\r | |
379 | //\r | |
380 | Pri = ((NET_SYSLOG_FACILITY & 31) << 3) | (Level & 7);\r | |
381 | gRT->GetTime (&Time, NULL);\r | |
95157291 | 382 | ASSERT ((Time.Month <= 12) && (Time.Month >= 1));\r |
f6b7393c | 383 | \r |
384 | //\r | |
385 | // Use %a to format the ASCII strings, %s to format UNICODE strings\r | |
386 | //\r | |
387 | Len = 0;\r | |
388 | Len += (UINT32) AsciiSPrint (\r | |
389 | Buf,\r | |
390 | BufLen,\r | |
391 | "<%d> %a %d %d:%d:%d ",\r | |
392 | Pri,\r | |
1204fe83 | 393 | mMonthName [Time.Month-1],\r |
f6b7393c | 394 | Time.Day,\r |
395 | Time.Hour,\r | |
396 | Time.Minute,\r | |
397 | Time.Second\r | |
398 | );\r | |
399 | Len--;\r | |
400 | \r | |
401 | Len += (UINT32) AsciiSPrint (\r | |
1204fe83 | 402 | Buf + Len,\r |
403 | BufLen - Len,\r | |
404 | "Tiano %a: %a (Line: %d File: %a)",\r | |
f6b7393c | 405 | Module,\r |
406 | Message,\r | |
407 | Line,\r | |
408 | File\r | |
409 | );\r | |
410 | Len--;\r | |
411 | \r | |
412 | //\r | |
413 | // OK, patch the IP length/checksum and UDP length fields.\r | |
414 | //\r | |
415 | Len += sizeof (EFI_UDP_HEADER);\r | |
416 | Udp4->Length = HTONS ((UINT16) Len);\r | |
417 | \r | |
418 | Len += sizeof (IP4_HEAD);\r | |
419 | Ip4->TotalLen = HTONS ((UINT16) Len);\r | |
420 | Ip4->Checksum = (UINT16) (~NetblockChecksum ((UINT8 *) Ip4, sizeof (IP4_HEAD)));\r | |
421 | \r | |
422 | return Len + sizeof (ETHER_HEAD);\r | |
423 | }\r | |
424 | \r | |
425 | /**\r | |
1204fe83 | 426 | Allocate a buffer, then format the message to it. This is a\r |
427 | help function for the NET_DEBUG_XXX macros. The PrintArg of\r | |
428 | these macros treats the variable length print parameters as a\r | |
f6b7393c | 429 | single parameter, and pass it to the NetDebugASPrint. For\r |
430 | example, NET_DEBUG_TRACE ("Tcp", ("State transit to %a\n", Name))\r | |
1204fe83 | 431 | if extracted to:\r |
432 | \r | |
f6b7393c | 433 | NetDebugOutput (\r |
1204fe83 | 434 | NETDEBUG_LEVEL_TRACE,\r |
435 | "Tcp",\r | |
f6b7393c | 436 | __FILE__,\r |
437 | __LINE__,\r | |
1204fe83 | 438 | NetDebugASPrint ("State transit to %a\n", Name)\r |
439 | )\r | |
440 | \r | |
f6b7393c | 441 | @param Format The ASCII format string.\r |
1204fe83 | 442 | @param ... The variable length parameter whose format is determined\r |
f6b7393c | 443 | by the Format string.\r |
444 | \r | |
445 | @return The buffer containing the formatted message,\r | |
446 | or NULL if failed to allocate memory.\r | |
447 | \r | |
448 | **/\r | |
449 | CHAR8 *\r | |
e798cd87 | 450 | EFIAPI\r |
f6b7393c | 451 | NetDebugASPrint (\r |
452 | IN CHAR8 *Format,\r | |
453 | ...\r | |
454 | )\r | |
455 | {\r | |
456 | VA_LIST Marker;\r | |
457 | CHAR8 *Buf;\r | |
458 | \r | |
459 | Buf = (CHAR8 *) AllocatePool (NET_DEBUG_MSG_LEN);\r | |
460 | \r | |
461 | if (Buf == NULL) {\r | |
462 | return NULL;\r | |
463 | }\r | |
464 | \r | |
465 | VA_START (Marker, Format);\r | |
466 | AsciiVSPrint (Buf, NET_DEBUG_MSG_LEN, Format, Marker);\r | |
467 | VA_END (Marker);\r | |
468 | \r | |
469 | return Buf;\r | |
470 | }\r | |
471 | \r | |
472 | /**\r | |
473 | Builds an UDP4 syslog packet and send it using SNP.\r | |
474 | \r | |
475 | This function will locate a instance of SNP then send the message through it.\r | |
476 | Because it isn't open the SNP BY_DRIVER, apply caution when using it.\r | |
477 | \r | |
3b28e744 | 478 | @param Level The severity level of the message.\r |
f6b7393c | 479 | @param Module The Moudle that generates the log.\r |
480 | @param File The file that contains the log.\r | |
481 | @param Line The exact line that contains the log.\r | |
482 | @param Message The user message to log.\r | |
483 | \r | |
484 | @retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r | |
485 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the packet\r | |
1204fe83 | 486 | @retval EFI_SUCCESS The log is discard because that it is more verbose\r |
f6b7393c | 487 | than the mNetDebugLevelMax. Or, it has been sent out.\r |
1204fe83 | 488 | **/\r |
f6b7393c | 489 | EFI_STATUS\r |
e798cd87 | 490 | EFIAPI\r |
f6b7393c | 491 | NetDebugOutput (\r |
1204fe83 | 492 | IN UINT32 Level,\r |
f6b7393c | 493 | IN UINT8 *Module,\r |
494 | IN UINT8 *File,\r | |
495 | IN UINT32 Line,\r | |
496 | IN UINT8 *Message\r | |
497 | )\r | |
498 | {\r | |
499 | CHAR8 *Packet;\r | |
500 | UINT32 Len;\r | |
501 | EFI_STATUS Status;\r | |
502 | \r | |
503 | //\r | |
504 | // Check whether the message should be sent out\r | |
505 | //\r | |
506 | if (Message == NULL) {\r | |
507 | return EFI_INVALID_PARAMETER;\r | |
508 | }\r | |
509 | \r | |
510 | if (Level > mNetDebugLevelMax) {\r | |
511 | Status = EFI_SUCCESS;\r | |
512 | goto ON_EXIT;\r | |
513 | }\r | |
1204fe83 | 514 | \r |
f6b7393c | 515 | //\r |
516 | // Allocate a maxium of 1024 bytes, the caller should ensure\r | |
517 | // that the message plus the ethernet/ip/udp header is shorter\r | |
518 | // than this\r | |
519 | //\r | |
520 | Packet = (CHAR8 *) AllocatePool (NET_SYSLOG_PACKET_LEN);\r | |
521 | \r | |
522 | if (Packet == NULL) {\r | |
523 | Status = EFI_OUT_OF_RESOURCES;\r | |
524 | goto ON_EXIT;\r | |
525 | }\r | |
1204fe83 | 526 | \r |
f6b7393c | 527 | //\r |
528 | // Build the message: Ethernet header + IP header + Udp Header + user data\r | |
529 | //\r | |
530 | Len = SyslogBuildPacket (\r | |
531 | Level,\r | |
532 | Module,\r | |
533 | File,\r | |
534 | Line,\r | |
535 | Message,\r | |
536 | NET_SYSLOG_PACKET_LEN,\r | |
537 | Packet\r | |
538 | );\r | |
539 | \r | |
540 | mSyslogPacketSeq++;\r | |
541 | Status = SyslogSendPacket (Packet, Len);\r | |
542 | FreePool (Packet);\r | |
543 | \r | |
544 | ON_EXIT:\r | |
545 | FreePool (Message);\r | |
546 | return Status;\r | |
547 | }\r | |
da1d0201 | 548 | /**\r |
1204fe83 | 549 | Return the length of the mask.\r |
550 | \r | |
b9008c87 | 551 | Return the length of the mask, the correct value is from 0 to 32.\r |
552 | If the mask is invalid, return the invalid length 33, which is IP4_MASK_NUM.\r | |
da1d0201 | 553 | NetMask is in the host byte order.\r |
554 | \r | |
3e7104c2 | 555 | @param[in] NetMask The netmask to get the length from.\r |
da1d0201 | 556 | \r |
b9008c87 | 557 | @return The length of the netmask, IP4_MASK_NUM if the mask is invalid.\r |
1204fe83 | 558 | \r |
da1d0201 | 559 | **/\r |
560 | INTN\r | |
7b414b4e | 561 | EFIAPI\r |
da1d0201 | 562 | NetGetMaskLength (\r |
563 | IN IP4_ADDR NetMask\r | |
564 | )\r | |
565 | {\r | |
566 | INTN Index;\r | |
567 | \r | |
364f4efa | 568 | for (Index = 0; Index <= IP4_MASK_MAX; Index++) {\r |
2a86ff1c | 569 | if (NetMask == gIp4AllMasks[Index]) {\r |
da1d0201 | 570 | break;\r |
571 | }\r | |
572 | }\r | |
573 | \r | |
574 | return Index;\r | |
575 | }\r | |
576 | \r | |
577 | \r | |
578 | \r | |
579 | /**\r | |
b9008c87 | 580 | Return the class of the IP address, such as class A, B, C.\r |
da1d0201 | 581 | Addr is in host byte order.\r |
1204fe83 | 582 | \r |
3289dcba FS |
583 | [ATTENTION]\r |
584 | Classful addressing (IP class A/B/C) has been deprecated according to RFC4632.\r | |
585 | Caller of this function could only check the returned value against\r | |
586 | IP4_ADDR_CLASSD (multicast) or IP4_ADDR_CLASSE (reserved) now.\r | |
587 | \r | |
b9008c87 | 588 | The address of class A starts with 0.\r |
589 | If the address belong to class A, return IP4_ADDR_CLASSA.\r | |
1204fe83 | 590 | The address of class B starts with 10.\r |
b9008c87 | 591 | If the address belong to class B, return IP4_ADDR_CLASSB.\r |
1204fe83 | 592 | The address of class C starts with 110.\r |
b9008c87 | 593 | If the address belong to class C, return IP4_ADDR_CLASSC.\r |
1204fe83 | 594 | The address of class D starts with 1110.\r |
b9008c87 | 595 | If the address belong to class D, return IP4_ADDR_CLASSD.\r |
596 | The address of class E starts with 1111.\r | |
597 | If the address belong to class E, return IP4_ADDR_CLASSE.\r | |
da1d0201 | 598 | \r |
1204fe83 | 599 | \r |
3e7104c2 | 600 | @param[in] Addr The address to get the class from.\r |
da1d0201 | 601 | \r |
3e7104c2 | 602 | @return IP address class, such as IP4_ADDR_CLASSA.\r |
da1d0201 | 603 | \r |
604 | **/\r | |
605 | INTN\r | |
7b414b4e | 606 | EFIAPI\r |
da1d0201 | 607 | NetGetIpClass (\r |
608 | IN IP4_ADDR Addr\r | |
609 | )\r | |
610 | {\r | |
611 | UINT8 ByteOne;\r | |
612 | \r | |
613 | ByteOne = (UINT8) (Addr >> 24);\r | |
614 | \r | |
615 | if ((ByteOne & 0x80) == 0) {\r | |
616 | return IP4_ADDR_CLASSA;\r | |
617 | \r | |
618 | } else if ((ByteOne & 0xC0) == 0x80) {\r | |
619 | return IP4_ADDR_CLASSB;\r | |
620 | \r | |
621 | } else if ((ByteOne & 0xE0) == 0xC0) {\r | |
622 | return IP4_ADDR_CLASSC;\r | |
623 | \r | |
624 | } else if ((ByteOne & 0xF0) == 0xE0) {\r | |
625 | return IP4_ADDR_CLASSD;\r | |
626 | \r | |
627 | } else {\r | |
628 | return IP4_ADDR_CLASSE;\r | |
629 | \r | |
630 | }\r | |
631 | }\r | |
632 | \r | |
633 | \r | |
634 | /**\r | |
635 | Check whether the IP is a valid unicast address according to\r | |
3289dcba | 636 | the netmask. \r |
1204fe83 | 637 | \r |
3289dcba FS |
638 | ASSERT if NetMask is zero.\r |
639 | \r | |
29788f17 FS |
640 | If all bits of the host address of IP are 0 or 1, IP is also not a valid unicast address,\r |
641 | except when the originator is one of the endpoints of a point-to-point link with a 31-bit\r | |
642 | mask (RFC3021).\r | |
da1d0201 | 643 | \r |
3e7104c2 | 644 | @param[in] Ip The IP to check against.\r |
645 | @param[in] NetMask The mask of the IP.\r | |
da1d0201 | 646 | \r |
3e7104c2 | 647 | @return TRUE if IP is a valid unicast address on the network, otherwise FALSE.\r |
da1d0201 | 648 | \r |
649 | **/\r | |
650 | BOOLEAN\r | |
7b414b4e | 651 | EFIAPI\r |
f6b7393c | 652 | NetIp4IsUnicast (\r |
da1d0201 | 653 | IN IP4_ADDR Ip,\r |
654 | IN IP4_ADDR NetMask\r | |
655 | )\r | |
656 | {\r | |
3289dcba FS |
657 | ASSERT (NetMask != 0);\r |
658 | \r | |
659 | if (Ip == 0 || IP4_IS_LOCAL_BROADCAST (Ip)) {\r | |
da1d0201 | 660 | return FALSE;\r |
661 | }\r | |
29788f17 FS |
662 | \r |
663 | if (NetGetMaskLength (NetMask) != 31) {\r | |
664 | if (((Ip &~NetMask) == ~NetMask) || ((Ip &~NetMask) == 0)) {\r | |
665 | return FALSE;\r | |
666 | }\r | |
667 | } else {\r | |
668 | return TRUE;\r | |
da1d0201 | 669 | }\r |
670 | \r | |
671 | return TRUE;\r | |
672 | }\r | |
673 | \r | |
fb115c61 | 674 | /**\r |
675 | Check whether the incoming IPv6 address is a valid unicast address.\r | |
676 | \r | |
677 | If the address is a multicast address has binary 0xFF at the start, it is not\r | |
678 | a valid unicast address. If the address is unspecified ::, it is not a valid\r | |
679 | unicast address to be assigned to any node. If the address is loopback address\r | |
680 | ::1, it is also not a valid unicast address to be assigned to any physical\r | |
1204fe83 | 681 | interface.\r |
fb115c61 | 682 | \r |
683 | @param[in] Ip6 The IPv6 address to check against.\r | |
684 | \r | |
685 | @return TRUE if Ip6 is a valid unicast address on the network, otherwise FALSE.\r | |
686 | \r | |
1204fe83 | 687 | **/\r |
fb115c61 | 688 | BOOLEAN\r |
e798cd87 | 689 | EFIAPI\r |
f6b7393c | 690 | NetIp6IsValidUnicast (\r |
fb115c61 | 691 | IN EFI_IPv6_ADDRESS *Ip6\r |
1204fe83 | 692 | )\r |
fb115c61 | 693 | {\r |
b45b45b2 | 694 | UINT8 Byte;\r |
695 | UINT8 Index;\r | |
1204fe83 | 696 | \r |
fb115c61 | 697 | if (Ip6->Addr[0] == 0xFF) {\r |
698 | return FALSE;\r | |
699 | }\r | |
700 | \r | |
b45b45b2 | 701 | for (Index = 0; Index < 15; Index++) {\r |
702 | if (Ip6->Addr[Index] != 0) {\r | |
fb115c61 | 703 | return TRUE;\r |
704 | }\r | |
705 | }\r | |
706 | \r | |
b45b45b2 | 707 | Byte = Ip6->Addr[Index];\r |
fb115c61 | 708 | \r |
b45b45b2 | 709 | if (Byte == 0x0 || Byte == 0x1) {\r |
fb115c61 | 710 | return FALSE;\r |
711 | }\r | |
712 | \r | |
1204fe83 | 713 | return TRUE;\r |
fb115c61 | 714 | }\r |
da1d0201 | 715 | \r |
f6b7393c | 716 | /**\r |
717 | Check whether the incoming Ipv6 address is the unspecified address or not.\r | |
718 | \r | |
719 | @param[in] Ip6 - Ip6 address, in network order.\r | |
720 | \r | |
721 | @retval TRUE - Yes, unspecified\r | |
722 | @retval FALSE - No\r | |
1204fe83 | 723 | \r |
f6b7393c | 724 | **/\r |
725 | BOOLEAN\r | |
e798cd87 | 726 | EFIAPI\r |
f6b7393c | 727 | NetIp6IsUnspecifiedAddr (\r |
728 | IN EFI_IPv6_ADDRESS *Ip6\r | |
729 | )\r | |
730 | {\r | |
731 | UINT8 Index;\r | |
732 | \r | |
733 | for (Index = 0; Index < 16; Index++) {\r | |
734 | if (Ip6->Addr[Index] != 0) {\r | |
735 | return FALSE;\r | |
736 | }\r | |
737 | }\r | |
738 | \r | |
739 | return TRUE;\r | |
740 | }\r | |
741 | \r | |
742 | /**\r | |
743 | Check whether the incoming Ipv6 address is a link-local address.\r | |
744 | \r | |
745 | @param[in] Ip6 - Ip6 address, in network order.\r | |
746 | \r | |
747 | @retval TRUE - Yes, link-local address\r | |
748 | @retval FALSE - No\r | |
1204fe83 | 749 | \r |
f6b7393c | 750 | **/\r |
751 | BOOLEAN\r | |
e798cd87 | 752 | EFIAPI\r |
f6b7393c | 753 | NetIp6IsLinkLocalAddr (\r |
754 | IN EFI_IPv6_ADDRESS *Ip6\r | |
755 | )\r | |
756 | {\r | |
757 | UINT8 Index;\r | |
1204fe83 | 758 | \r |
f6b7393c | 759 | ASSERT (Ip6 != NULL);\r |
760 | \r | |
761 | if (Ip6->Addr[0] != 0xFE) {\r | |
762 | return FALSE;\r | |
763 | }\r | |
1204fe83 | 764 | \r |
f6b7393c | 765 | if (Ip6->Addr[1] != 0x80) {\r |
766 | return FALSE;\r | |
767 | }\r | |
768 | \r | |
769 | for (Index = 2; Index < 8; Index++) {\r | |
770 | if (Ip6->Addr[Index] != 0) {\r | |
771 | return FALSE;\r | |
772 | }\r | |
773 | }\r | |
774 | \r | |
775 | return TRUE;\r | |
776 | }\r | |
777 | \r | |
778 | /**\r | |
779 | Check whether the Ipv6 address1 and address2 are on the connected network.\r | |
780 | \r | |
781 | @param[in] Ip1 - Ip6 address1, in network order.\r | |
782 | @param[in] Ip2 - Ip6 address2, in network order.\r | |
783 | @param[in] PrefixLength - The prefix length of the checking net.\r | |
784 | \r | |
785 | @retval TRUE - Yes, connected.\r | |
786 | @retval FALSE - No.\r | |
1204fe83 | 787 | \r |
f6b7393c | 788 | **/\r |
789 | BOOLEAN\r | |
e798cd87 | 790 | EFIAPI\r |
f6b7393c | 791 | NetIp6IsNetEqual (\r |
792 | EFI_IPv6_ADDRESS *Ip1,\r | |
793 | EFI_IPv6_ADDRESS *Ip2,\r | |
794 | UINT8 PrefixLength\r | |
795 | )\r | |
796 | {\r | |
797 | UINT8 Byte;\r | |
798 | UINT8 Bit;\r | |
799 | UINT8 Mask;\r | |
800 | \r | |
364f4efa | 801 | ASSERT ((Ip1 != NULL) && (Ip2 != NULL) && (PrefixLength <= IP6_PREFIX_MAX));\r |
1204fe83 | 802 | \r |
f6b7393c | 803 | if (PrefixLength == 0) {\r |
804 | return TRUE;\r | |
805 | }\r | |
806 | \r | |
807 | Byte = (UINT8) (PrefixLength / 8);\r | |
808 | Bit = (UINT8) (PrefixLength % 8);\r | |
1204fe83 | 809 | \r |
f6b7393c | 810 | if (CompareMem (Ip1, Ip2, Byte) != 0) {\r |
811 | return FALSE;\r | |
812 | }\r | |
813 | \r | |
814 | if (Bit > 0) {\r | |
815 | Mask = (UINT8) (0xFF << (8 - Bit));\r | |
816 | \r | |
70b68990 | 817 | ASSERT (Byte < 16);\r |
f6b7393c | 818 | if ((Ip1->Addr[Byte] & Mask) != (Ip2->Addr[Byte] & Mask)) {\r |
819 | return FALSE;\r | |
1204fe83 | 820 | }\r |
f6b7393c | 821 | }\r |
1204fe83 | 822 | \r |
f6b7393c | 823 | return TRUE;\r |
824 | }\r | |
825 | \r | |
826 | \r | |
b45b45b2 | 827 | /**\r |
828 | Switches the endianess of an IPv6 address\r | |
829 | \r | |
830 | This function swaps the bytes in a 128-bit IPv6 address to switch the value\r | |
831 | from little endian to big endian or vice versa. The byte swapped value is\r | |
832 | returned.\r | |
833 | \r | |
834 | @param Ip6 Points to an IPv6 address\r | |
835 | \r | |
836 | @return The byte swapped IPv6 address.\r | |
837 | \r | |
838 | **/\r | |
839 | EFI_IPv6_ADDRESS *\r | |
e798cd87 | 840 | EFIAPI\r |
b45b45b2 | 841 | Ip6Swap128 (\r |
842 | EFI_IPv6_ADDRESS *Ip6\r | |
843 | )\r | |
844 | {\r | |
845 | UINT64 High;\r | |
846 | UINT64 Low;\r | |
847 | \r | |
848 | CopyMem (&High, Ip6, sizeof (UINT64));\r | |
849 | CopyMem (&Low, &Ip6->Addr[8], sizeof (UINT64));\r | |
850 | \r | |
851 | High = SwapBytes64 (High);\r | |
852 | Low = SwapBytes64 (Low);\r | |
853 | \r | |
854 | CopyMem (Ip6, &Low, sizeof (UINT64));\r | |
855 | CopyMem (&Ip6->Addr[8], &High, sizeof (UINT64));\r | |
856 | \r | |
857 | return Ip6;\r | |
858 | }\r | |
859 | \r | |
da1d0201 | 860 | /**\r |
2bd25290 | 861 | Initialize a random seed using current time and monotonic count.\r |
1204fe83 | 862 | \r |
2bd25290 FS |
863 | Get current time and monotonic count first. Then initialize a random seed \r |
864 | based on some basic mathematics operation on the hour, day, minute, second,\r | |
865 | nanosecond and year of the current time and the monotonic count value.\r | |
1204fe83 | 866 | \r |
da1d0201 | 867 | @return The random seed initialized with current time.\r |
868 | \r | |
869 | **/\r | |
870 | UINT32\r | |
7b414b4e | 871 | EFIAPI\r |
da1d0201 | 872 | NetRandomInitSeed (\r |
873 | VOID\r | |
874 | )\r | |
875 | {\r | |
876 | EFI_TIME Time;\r | |
877 | UINT32 Seed;\r | |
2bd25290 | 878 | UINT64 MonotonicCount;\r |
da1d0201 | 879 | \r |
880 | gRT->GetTime (&Time, NULL);\r | |
bd42d976 | 881 | Seed = (Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second);\r |
da1d0201 | 882 | Seed ^= Time.Nanosecond;\r |
883 | Seed ^= Time.Year << 7;\r | |
884 | \r | |
2bd25290 FS |
885 | gBS->GetNextMonotonicCount (&MonotonicCount);\r |
886 | Seed += (UINT32) MonotonicCount;\r | |
887 | \r | |
da1d0201 | 888 | return Seed;\r |
889 | }\r | |
890 | \r | |
891 | \r | |
892 | /**\r | |
b9008c87 | 893 | Extract a UINT32 from a byte stream.\r |
1204fe83 | 894 | \r |
895 | Copy a UINT32 from a byte stream, then converts it from Network\r | |
b9008c87 | 896 | byte order to host byte order. Use this function to avoid alignment error.\r |
da1d0201 | 897 | \r |
3e7104c2 | 898 | @param[in] Buf The buffer to extract the UINT32.\r |
da1d0201 | 899 | \r |
900 | @return The UINT32 extracted.\r | |
901 | \r | |
902 | **/\r | |
903 | UINT32\r | |
7b414b4e | 904 | EFIAPI\r |
da1d0201 | 905 | NetGetUint32 (\r |
906 | IN UINT8 *Buf\r | |
907 | )\r | |
908 | {\r | |
909 | UINT32 Value;\r | |
910 | \r | |
e48e37fc | 911 | CopyMem (&Value, Buf, sizeof (UINT32));\r |
da1d0201 | 912 | return NTOHL (Value);\r |
913 | }\r | |
914 | \r | |
915 | \r | |
916 | /**\r | |
1204fe83 | 917 | Put a UINT32 to the byte stream in network byte order.\r |
918 | \r | |
919 | Converts a UINT32 from host byte order to network byte order. Then copy it to the\r | |
b9008c87 | 920 | byte stream.\r |
da1d0201 | 921 | \r |
3e7104c2 | 922 | @param[in, out] Buf The buffer to put the UINT32.\r |
3b1464d5 | 923 | @param[in] Data The data to be converted and put into the byte stream.\r |
1204fe83 | 924 | \r |
da1d0201 | 925 | **/\r |
926 | VOID\r | |
7b414b4e | 927 | EFIAPI\r |
da1d0201 | 928 | NetPutUint32 (\r |
3e7104c2 | 929 | IN OUT UINT8 *Buf,\r |
930 | IN UINT32 Data\r | |
da1d0201 | 931 | )\r |
932 | {\r | |
933 | Data = HTONL (Data);\r | |
e48e37fc | 934 | CopyMem (Buf, &Data, sizeof (UINT32));\r |
da1d0201 | 935 | }\r |
936 | \r | |
937 | \r | |
938 | /**\r | |
b9008c87 | 939 | Remove the first node entry on the list, and return the removed node entry.\r |
1204fe83 | 940 | \r |
b9008c87 | 941 | Removes the first node Entry from a doubly linked list. It is up to the caller of\r |
942 | this function to release the memory used by the first node if that is required. On\r | |
1204fe83 | 943 | exit, the removed node is returned.\r |
b9008c87 | 944 | \r |
945 | If Head is NULL, then ASSERT().\r | |
946 | If Head was not initialized, then ASSERT().\r | |
947 | If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r | |
948 | linked list including the head node is greater than or equal to PcdMaximumLinkedListLength,\r | |
1204fe83 | 949 | then ASSERT().\r |
da1d0201 | 950 | \r |
3e7104c2 | 951 | @param[in, out] Head The list header.\r |
da1d0201 | 952 | \r |
b9008c87 | 953 | @return The first node entry that is removed from the list, NULL if the list is empty.\r |
da1d0201 | 954 | \r |
955 | **/\r | |
e48e37fc | 956 | LIST_ENTRY *\r |
7b414b4e | 957 | EFIAPI\r |
da1d0201 | 958 | NetListRemoveHead (\r |
3e7104c2 | 959 | IN OUT LIST_ENTRY *Head\r |
da1d0201 | 960 | )\r |
961 | {\r | |
e48e37fc | 962 | LIST_ENTRY *First;\r |
da1d0201 | 963 | \r |
964 | ASSERT (Head != NULL);\r | |
965 | \r | |
e48e37fc | 966 | if (IsListEmpty (Head)) {\r |
da1d0201 | 967 | return NULL;\r |
968 | }\r | |
969 | \r | |
970 | First = Head->ForwardLink;\r | |
971 | Head->ForwardLink = First->ForwardLink;\r | |
972 | First->ForwardLink->BackLink = Head;\r | |
973 | \r | |
974 | DEBUG_CODE (\r | |
e48e37fc | 975 | First->ForwardLink = (LIST_ENTRY *) NULL;\r |
976 | First->BackLink = (LIST_ENTRY *) NULL;\r | |
da1d0201 | 977 | );\r |
978 | \r | |
979 | return First;\r | |
980 | }\r | |
981 | \r | |
982 | \r | |
983 | /**\r | |
b9008c87 | 984 | Remove the last node entry on the list and and return the removed node entry.\r |
985 | \r | |
986 | Removes the last node entry from a doubly linked list. It is up to the caller of\r | |
987 | this function to release the memory used by the first node if that is required. On\r | |
1204fe83 | 988 | exit, the removed node is returned.\r |
da1d0201 | 989 | \r |
b9008c87 | 990 | If Head is NULL, then ASSERT().\r |
991 | If Head was not initialized, then ASSERT().\r | |
992 | If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r | |
993 | linked list including the head node is greater than or equal to PcdMaximumLinkedListLength,\r | |
1204fe83 | 994 | then ASSERT().\r |
995 | \r | |
3e7104c2 | 996 | @param[in, out] Head The list head.\r |
da1d0201 | 997 | \r |
b9008c87 | 998 | @return The last node entry that is removed from the list, NULL if the list is empty.\r |
da1d0201 | 999 | \r |
1000 | **/\r | |
e48e37fc | 1001 | LIST_ENTRY *\r |
7b414b4e | 1002 | EFIAPI\r |
da1d0201 | 1003 | NetListRemoveTail (\r |
3e7104c2 | 1004 | IN OUT LIST_ENTRY *Head\r |
da1d0201 | 1005 | )\r |
1006 | {\r | |
e48e37fc | 1007 | LIST_ENTRY *Last;\r |
da1d0201 | 1008 | \r |
1009 | ASSERT (Head != NULL);\r | |
1010 | \r | |
e48e37fc | 1011 | if (IsListEmpty (Head)) {\r |
da1d0201 | 1012 | return NULL;\r |
1013 | }\r | |
1014 | \r | |
1015 | Last = Head->BackLink;\r | |
1016 | Head->BackLink = Last->BackLink;\r | |
1017 | Last->BackLink->ForwardLink = Head;\r | |
1018 | \r | |
1019 | DEBUG_CODE (\r | |
e48e37fc | 1020 | Last->ForwardLink = (LIST_ENTRY *) NULL;\r |
1021 | Last->BackLink = (LIST_ENTRY *) NULL;\r | |
da1d0201 | 1022 | );\r |
1023 | \r | |
1024 | return Last;\r | |
1025 | }\r | |
1026 | \r | |
1027 | \r | |
1028 | /**\r | |
b9008c87 | 1029 | Insert a new node entry after a designated node entry of a doubly linked list.\r |
1204fe83 | 1030 | \r |
b9008c87 | 1031 | Inserts a new node entry donated by NewEntry after the node entry donated by PrevEntry\r |
1032 | of the doubly linked list.\r | |
1204fe83 | 1033 | \r |
3e7104c2 | 1034 | @param[in, out] PrevEntry The previous entry to insert after.\r |
1035 | @param[in, out] NewEntry The new entry to insert.\r | |
da1d0201 | 1036 | \r |
1037 | **/\r | |
1038 | VOID\r | |
7b414b4e | 1039 | EFIAPI\r |
da1d0201 | 1040 | NetListInsertAfter (\r |
3e7104c2 | 1041 | IN OUT LIST_ENTRY *PrevEntry,\r |
1042 | IN OUT LIST_ENTRY *NewEntry\r | |
da1d0201 | 1043 | )\r |
1044 | {\r | |
1045 | NewEntry->BackLink = PrevEntry;\r | |
1046 | NewEntry->ForwardLink = PrevEntry->ForwardLink;\r | |
1047 | PrevEntry->ForwardLink->BackLink = NewEntry;\r | |
1048 | PrevEntry->ForwardLink = NewEntry;\r | |
1049 | }\r | |
1050 | \r | |
1051 | \r | |
1052 | /**\r | |
b9008c87 | 1053 | Insert a new node entry before a designated node entry of a doubly linked list.\r |
1204fe83 | 1054 | \r |
b9008c87 | 1055 | Inserts a new node entry donated by NewEntry after the node entry donated by PostEntry\r |
1056 | of the doubly linked list.\r | |
1204fe83 | 1057 | \r |
3e7104c2 | 1058 | @param[in, out] PostEntry The entry to insert before.\r |
1059 | @param[in, out] NewEntry The new entry to insert.\r | |
da1d0201 | 1060 | \r |
1061 | **/\r | |
1062 | VOID\r | |
7b414b4e | 1063 | EFIAPI\r |
da1d0201 | 1064 | NetListInsertBefore (\r |
3e7104c2 | 1065 | IN OUT LIST_ENTRY *PostEntry,\r |
1066 | IN OUT LIST_ENTRY *NewEntry\r | |
da1d0201 | 1067 | )\r |
1068 | {\r | |
1069 | NewEntry->ForwardLink = PostEntry;\r | |
1070 | NewEntry->BackLink = PostEntry->BackLink;\r | |
1071 | PostEntry->BackLink->ForwardLink = NewEntry;\r | |
1072 | PostEntry->BackLink = NewEntry;\r | |
1073 | }\r | |
1074 | \r | |
216f7970 | 1075 | /**\r |
1076 | Safe destroy nodes in a linked list, and return the length of the list after all possible operations finished.\r | |
1077 | \r | |
1078 | Destroy network child instance list by list traversals is not safe due to graph dependencies between nodes.\r | |
1079 | This function performs a safe traversal to destroy these nodes by checking to see if the node being destroyed\r | |
1080 | has been removed from the list or not.\r | |
1081 | If it has been removed, then restart the traversal from the head.\r | |
1082 | If it hasn't been removed, then continue with the next node directly.\r | |
1083 | This function will end the iterate and return the CallBack's last return value if error happens,\r | |
1084 | or retrun EFI_SUCCESS if 2 complete passes are made with no changes in the number of children in the list. \r | |
1085 | \r | |
1086 | @param[in] List The head of the list.\r | |
1087 | @param[in] CallBack Pointer to the callback function to destroy one node in the list.\r | |
1088 | @param[in] Context Pointer to the callback function's context: corresponds to the\r | |
1089 | parameter Context in NET_DESTROY_LINK_LIST_CALLBACK.\r | |
1090 | @param[out] ListLength The length of the link list if the function returns successfully.\r | |
1091 | \r | |
1092 | @retval EFI_SUCCESS Two complete passes are made with no changes in the number of children.\r | |
1093 | @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r | |
1094 | @retval Others Return the CallBack's last return value.\r | |
1095 | \r | |
1096 | **/\r | |
1097 | EFI_STATUS\r | |
1098 | EFIAPI\r | |
1099 | NetDestroyLinkList (\r | |
1100 | IN LIST_ENTRY *List,\r | |
1101 | IN NET_DESTROY_LINK_LIST_CALLBACK CallBack,\r | |
1102 | IN VOID *Context, OPTIONAL\r | |
1103 | OUT UINTN *ListLength OPTIONAL\r | |
1f7eb561 | 1104 | )\r |
216f7970 | 1105 | {\r |
1106 | UINTN PreviousLength;\r | |
1107 | LIST_ENTRY *Entry;\r | |
1108 | LIST_ENTRY *Ptr;\r | |
1109 | UINTN Length;\r | |
1110 | EFI_STATUS Status;\r | |
1111 | \r | |
1112 | if (List == NULL || CallBack == NULL) {\r | |
1113 | return EFI_INVALID_PARAMETER;\r | |
1114 | }\r | |
1115 | \r | |
1116 | Length = 0;\r | |
1117 | do {\r | |
1118 | PreviousLength = Length;\r | |
1119 | Entry = GetFirstNode (List);\r | |
1120 | while (!IsNull (List, Entry)) {\r | |
1121 | Status = CallBack (Entry, Context);\r | |
1122 | if (EFI_ERROR (Status)) {\r | |
1123 | return Status;\r | |
1124 | }\r | |
1125 | //\r | |
1126 | // Walk through the list to see whether the Entry has been removed or not.\r | |
1127 | // If the Entry still exists, just try to destroy the next one.\r | |
1128 | // If not, go back to the start point to iterate the list again.\r | |
1129 | //\r | |
1130 | for (Ptr = List->ForwardLink; Ptr != List; Ptr = Ptr->ForwardLink) {\r | |
1131 | if (Ptr == Entry) {\r | |
1132 | break;\r | |
1133 | }\r | |
1134 | }\r | |
1135 | if (Ptr == Entry) {\r | |
1136 | Entry = GetNextNode (List, Entry);\r | |
1137 | } else {\r | |
1138 | Entry = GetFirstNode (List);\r | |
1139 | }\r | |
1140 | }\r | |
1141 | for (Length = 0, Ptr = List->ForwardLink; Ptr != List; Length++, Ptr = Ptr->ForwardLink);\r | |
1142 | } while (Length != PreviousLength);\r | |
1143 | \r | |
1144 | if (ListLength != NULL) {\r | |
1145 | *ListLength = Length;\r | |
1146 | }\r | |
1147 | return EFI_SUCCESS;\r | |
1148 | }\r | |
1149 | \r | |
1150 | /**\r | |
1151 | This function checks the input Handle to see if it's one of these handles in ChildHandleBuffer.\r | |
1152 | \r | |
1153 | @param[in] Handle Handle to be checked.\r | |
1154 | @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer.\r | |
1155 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
1156 | if NumberOfChildren is 0.\r | |
1157 | \r | |
3b28e744 | 1158 | @retval TRUE Found the input Handle in ChildHandleBuffer.\r |
216f7970 | 1159 | @retval FALSE Can't find the input Handle in ChildHandleBuffer.\r |
1160 | \r | |
1161 | **/\r | |
1162 | BOOLEAN\r | |
f8c075d1 | 1163 | EFIAPI\r |
216f7970 | 1164 | NetIsInHandleBuffer (\r |
1165 | IN EFI_HANDLE Handle,\r | |
1166 | IN UINTN NumberOfChildren,\r | |
1167 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
1f7eb561 | 1168 | )\r |
216f7970 | 1169 | {\r |
1170 | UINTN Index;\r | |
1171 | \r | |
1172 | if (NumberOfChildren == 0 || ChildHandleBuffer == NULL) {\r | |
1173 | return FALSE;\r | |
1174 | }\r | |
1175 | \r | |
1176 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
1177 | if (Handle == ChildHandleBuffer[Index]) {\r | |
1178 | return TRUE;\r | |
1179 | }\r | |
1180 | }\r | |
1181 | \r | |
1182 | return FALSE;\r | |
1183 | }\r | |
1184 | \r | |
da1d0201 | 1185 | \r |
1186 | /**\r | |
1187 | Initialize the netmap. Netmap is a reposity to keep the <Key, Value> pairs.\r | |
1204fe83 | 1188 | \r |
1189 | Initialize the forward and backward links of two head nodes donated by Map->Used\r | |
b9008c87 | 1190 | and Map->Recycled of two doubly linked lists.\r |
1191 | Initializes the count of the <Key, Value> pairs in the netmap to zero.\r | |
1204fe83 | 1192 | \r |
b9008c87 | 1193 | If Map is NULL, then ASSERT().\r |
8f5e6151 | 1194 | If the address of Map->Used is NULL, then ASSERT().\r |
b9008c87 | 1195 | If the address of Map->Recycled is NULl, then ASSERT().\r |
1204fe83 | 1196 | \r |
3e7104c2 | 1197 | @param[in, out] Map The netmap to initialize.\r |
da1d0201 | 1198 | \r |
1199 | **/\r | |
1200 | VOID\r | |
7b414b4e | 1201 | EFIAPI\r |
da1d0201 | 1202 | NetMapInit (\r |
3e7104c2 | 1203 | IN OUT NET_MAP *Map\r |
da1d0201 | 1204 | )\r |
1205 | {\r | |
1206 | ASSERT (Map != NULL);\r | |
1207 | \r | |
e48e37fc | 1208 | InitializeListHead (&Map->Used);\r |
1209 | InitializeListHead (&Map->Recycled);\r | |
da1d0201 | 1210 | Map->Count = 0;\r |
1211 | }\r | |
1212 | \r | |
1213 | \r | |
1214 | /**\r | |
1215 | To clean up the netmap, that is, release allocated memories.\r | |
1204fe83 | 1216 | \r |
b9008c87 | 1217 | Removes all nodes of the Used doubly linked list and free memory of all related netmap items.\r |
1218 | Removes all nodes of the Recycled doubly linked list and free memory of all related netmap items.\r | |
1219 | The number of the <Key, Value> pairs in the netmap is set to be zero.\r | |
1204fe83 | 1220 | \r |
b9008c87 | 1221 | If Map is NULL, then ASSERT().\r |
1204fe83 | 1222 | \r |
3e7104c2 | 1223 | @param[in, out] Map The netmap to clean up.\r |
da1d0201 | 1224 | \r |
1225 | **/\r | |
1226 | VOID\r | |
7b414b4e | 1227 | EFIAPI\r |
da1d0201 | 1228 | NetMapClean (\r |
3e7104c2 | 1229 | IN OUT NET_MAP *Map\r |
da1d0201 | 1230 | )\r |
1231 | {\r | |
1232 | NET_MAP_ITEM *Item;\r | |
e48e37fc | 1233 | LIST_ENTRY *Entry;\r |
1234 | LIST_ENTRY *Next;\r | |
da1d0201 | 1235 | \r |
1236 | ASSERT (Map != NULL);\r | |
1237 | \r | |
1238 | NET_LIST_FOR_EACH_SAFE (Entry, Next, &Map->Used) {\r | |
1239 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
1240 | \r | |
e48e37fc | 1241 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 1242 | Map->Count--;\r |
1243 | \r | |
e48e37fc | 1244 | gBS->FreePool (Item);\r |
da1d0201 | 1245 | }\r |
1246 | \r | |
e48e37fc | 1247 | ASSERT ((Map->Count == 0) && IsListEmpty (&Map->Used));\r |
da1d0201 | 1248 | \r |
1249 | NET_LIST_FOR_EACH_SAFE (Entry, Next, &Map->Recycled) {\r | |
1250 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
1251 | \r | |
e48e37fc | 1252 | RemoveEntryList (&Item->Link);\r |
1253 | gBS->FreePool (Item);\r | |
da1d0201 | 1254 | }\r |
1255 | \r | |
e48e37fc | 1256 | ASSERT (IsListEmpty (&Map->Recycled));\r |
da1d0201 | 1257 | }\r |
1258 | \r | |
1259 | \r | |
1260 | /**\r | |
b9008c87 | 1261 | Test whether the netmap is empty and return true if it is.\r |
1204fe83 | 1262 | \r |
b9008c87 | 1263 | If the number of the <Key, Value> pairs in the netmap is zero, return TRUE.\r |
1204fe83 | 1264 | \r |
b9008c87 | 1265 | If Map is NULL, then ASSERT().\r |
1204fe83 | 1266 | \r |
1267 | \r | |
3e7104c2 | 1268 | @param[in] Map The net map to test.\r |
da1d0201 | 1269 | \r |
1270 | @return TRUE if the netmap is empty, otherwise FALSE.\r | |
1271 | \r | |
1272 | **/\r | |
1273 | BOOLEAN\r | |
7b414b4e | 1274 | EFIAPI\r |
da1d0201 | 1275 | NetMapIsEmpty (\r |
1276 | IN NET_MAP *Map\r | |
1277 | )\r | |
1278 | {\r | |
1279 | ASSERT (Map != NULL);\r | |
1280 | return (BOOLEAN) (Map->Count == 0);\r | |
1281 | }\r | |
1282 | \r | |
1283 | \r | |
1284 | /**\r | |
1285 | Return the number of the <Key, Value> pairs in the netmap.\r | |
1286 | \r | |
3e7104c2 | 1287 | @param[in] Map The netmap to get the entry number.\r |
da1d0201 | 1288 | \r |
1289 | @return The entry number in the netmap.\r | |
1290 | \r | |
1291 | **/\r | |
1292 | UINTN\r | |
7b414b4e | 1293 | EFIAPI\r |
da1d0201 | 1294 | NetMapGetCount (\r |
1295 | IN NET_MAP *Map\r | |
1296 | )\r | |
1297 | {\r | |
1298 | return Map->Count;\r | |
1299 | }\r | |
1300 | \r | |
1301 | \r | |
1302 | /**\r | |
1204fe83 | 1303 | Return one allocated item.\r |
1304 | \r | |
1305 | If the Recycled doubly linked list of the netmap is empty, it will try to allocate\r | |
b9008c87 | 1306 | a batch of items if there are enough resources and add corresponding nodes to the begining\r |
1307 | of the Recycled doubly linked list of the netmap. Otherwise, it will directly remove\r | |
1308 | the fist node entry of the Recycled doubly linked list and return the corresponding item.\r | |
1204fe83 | 1309 | \r |
b9008c87 | 1310 | If Map is NULL, then ASSERT().\r |
1204fe83 | 1311 | \r |
3e7104c2 | 1312 | @param[in, out] Map The netmap to allocate item for.\r |
da1d0201 | 1313 | \r |
3e7104c2 | 1314 | @return The allocated item. If NULL, the\r |
1315 | allocation failed due to resource limit.\r | |
da1d0201 | 1316 | \r |
1317 | **/\r | |
da1d0201 | 1318 | NET_MAP_ITEM *\r |
1319 | NetMapAllocItem (\r | |
3e7104c2 | 1320 | IN OUT NET_MAP *Map\r |
da1d0201 | 1321 | )\r |
1322 | {\r | |
1323 | NET_MAP_ITEM *Item;\r | |
e48e37fc | 1324 | LIST_ENTRY *Head;\r |
da1d0201 | 1325 | UINTN Index;\r |
1326 | \r | |
1327 | ASSERT (Map != NULL);\r | |
1328 | \r | |
1329 | Head = &Map->Recycled;\r | |
1330 | \r | |
e48e37fc | 1331 | if (IsListEmpty (Head)) {\r |
da1d0201 | 1332 | for (Index = 0; Index < NET_MAP_INCREAMENT; Index++) {\r |
e48e37fc | 1333 | Item = AllocatePool (sizeof (NET_MAP_ITEM));\r |
da1d0201 | 1334 | \r |
1335 | if (Item == NULL) {\r | |
1336 | if (Index == 0) {\r | |
1337 | return NULL;\r | |
1338 | }\r | |
1339 | \r | |
1340 | break;\r | |
1341 | }\r | |
1342 | \r | |
e48e37fc | 1343 | InsertHeadList (Head, &Item->Link);\r |
da1d0201 | 1344 | }\r |
1345 | }\r | |
1346 | \r | |
1347 | Item = NET_LIST_HEAD (Head, NET_MAP_ITEM, Link);\r | |
1348 | NetListRemoveHead (Head);\r | |
1349 | \r | |
1350 | return Item;\r | |
1351 | }\r | |
1352 | \r | |
1353 | \r | |
1354 | /**\r | |
1355 | Allocate an item to save the <Key, Value> pair to the head of the netmap.\r | |
1204fe83 | 1356 | \r |
b9008c87 | 1357 | Allocate an item to save the <Key, Value> pair and add corresponding node entry\r |
1204fe83 | 1358 | to the beginning of the Used doubly linked list. The number of the <Key, Value>\r |
b9008c87 | 1359 | pairs in the netmap increase by 1.\r |
da1d0201 | 1360 | \r |
b9008c87 | 1361 | If Map is NULL, then ASSERT().\r |
1204fe83 | 1362 | \r |
3e7104c2 | 1363 | @param[in, out] Map The netmap to insert into.\r |
1364 | @param[in] Key The user's key.\r | |
1365 | @param[in] Value The user's value for the key.\r | |
da1d0201 | 1366 | \r |
3e7104c2 | 1367 | @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item.\r |
1368 | @retval EFI_SUCCESS The item is inserted to the head.\r | |
da1d0201 | 1369 | \r |
1370 | **/\r | |
1371 | EFI_STATUS\r | |
7b414b4e | 1372 | EFIAPI\r |
da1d0201 | 1373 | NetMapInsertHead (\r |
3e7104c2 | 1374 | IN OUT NET_MAP *Map,\r |
da1d0201 | 1375 | IN VOID *Key,\r |
1376 | IN VOID *Value OPTIONAL\r | |
1377 | )\r | |
1378 | {\r | |
1379 | NET_MAP_ITEM *Item;\r | |
1380 | \r | |
1381 | ASSERT (Map != NULL);\r | |
1382 | \r | |
1383 | Item = NetMapAllocItem (Map);\r | |
1384 | \r | |
1385 | if (Item == NULL) {\r | |
1386 | return EFI_OUT_OF_RESOURCES;\r | |
1387 | }\r | |
1388 | \r | |
1389 | Item->Key = Key;\r | |
1390 | Item->Value = Value;\r | |
e48e37fc | 1391 | InsertHeadList (&Map->Used, &Item->Link);\r |
da1d0201 | 1392 | \r |
1393 | Map->Count++;\r | |
1394 | return EFI_SUCCESS;\r | |
1395 | }\r | |
1396 | \r | |
1397 | \r | |
1398 | /**\r | |
1399 | Allocate an item to save the <Key, Value> pair to the tail of the netmap.\r | |
1400 | \r | |
b9008c87 | 1401 | Allocate an item to save the <Key, Value> pair and add corresponding node entry\r |
1204fe83 | 1402 | to the tail of the Used doubly linked list. The number of the <Key, Value>\r |
b9008c87 | 1403 | pairs in the netmap increase by 1.\r |
1404 | \r | |
1405 | If Map is NULL, then ASSERT().\r | |
1204fe83 | 1406 | \r |
3e7104c2 | 1407 | @param[in, out] Map The netmap to insert into.\r |
1408 | @param[in] Key The user's key.\r | |
1409 | @param[in] Value The user's value for the key.\r | |
da1d0201 | 1410 | \r |
3e7104c2 | 1411 | @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item.\r |
1412 | @retval EFI_SUCCESS The item is inserted to the tail.\r | |
da1d0201 | 1413 | \r |
1414 | **/\r | |
1415 | EFI_STATUS\r | |
7b414b4e | 1416 | EFIAPI\r |
da1d0201 | 1417 | NetMapInsertTail (\r |
3e7104c2 | 1418 | IN OUT NET_MAP *Map,\r |
da1d0201 | 1419 | IN VOID *Key,\r |
1420 | IN VOID *Value OPTIONAL\r | |
1421 | )\r | |
1422 | {\r | |
1423 | NET_MAP_ITEM *Item;\r | |
1424 | \r | |
1425 | ASSERT (Map != NULL);\r | |
1426 | \r | |
1427 | Item = NetMapAllocItem (Map);\r | |
1428 | \r | |
1429 | if (Item == NULL) {\r | |
1430 | return EFI_OUT_OF_RESOURCES;\r | |
1431 | }\r | |
1432 | \r | |
1433 | Item->Key = Key;\r | |
1434 | Item->Value = Value;\r | |
e48e37fc | 1435 | InsertTailList (&Map->Used, &Item->Link);\r |
da1d0201 | 1436 | \r |
1437 | Map->Count++;\r | |
1438 | \r | |
1439 | return EFI_SUCCESS;\r | |
1440 | }\r | |
1441 | \r | |
1442 | \r | |
1443 | /**\r | |
b9008c87 | 1444 | Check whether the item is in the Map and return TRUE if it is.\r |
da1d0201 | 1445 | \r |
3e7104c2 | 1446 | @param[in] Map The netmap to search within.\r |
1447 | @param[in] Item The item to search.\r | |
da1d0201 | 1448 | \r |
1449 | @return TRUE if the item is in the netmap, otherwise FALSE.\r | |
1450 | \r | |
1451 | **/\r | |
da1d0201 | 1452 | BOOLEAN\r |
1453 | NetItemInMap (\r | |
1454 | IN NET_MAP *Map,\r | |
1455 | IN NET_MAP_ITEM *Item\r | |
1456 | )\r | |
1457 | {\r | |
e48e37fc | 1458 | LIST_ENTRY *ListEntry;\r |
da1d0201 | 1459 | \r |
1460 | NET_LIST_FOR_EACH (ListEntry, &Map->Used) {\r | |
1461 | if (ListEntry == &Item->Link) {\r | |
1462 | return TRUE;\r | |
1463 | }\r | |
1464 | }\r | |
1465 | \r | |
1466 | return FALSE;\r | |
1467 | }\r | |
1468 | \r | |
1469 | \r | |
1470 | /**\r | |
b9008c87 | 1471 | Find the key in the netmap and returns the point to the item contains the Key.\r |
1204fe83 | 1472 | \r |
1473 | Iterate the Used doubly linked list of the netmap to get every item. Compare the key of every\r | |
b9008c87 | 1474 | item with the key to search. It returns the point to the item contains the Key if found.\r |
da1d0201 | 1475 | \r |
b9008c87 | 1476 | If Map is NULL, then ASSERT().\r |
1204fe83 | 1477 | \r |
3e7104c2 | 1478 | @param[in] Map The netmap to search within.\r |
1479 | @param[in] Key The key to search.\r | |
da1d0201 | 1480 | \r |
1481 | @return The point to the item contains the Key, or NULL if Key isn't in the map.\r | |
1482 | \r | |
1483 | **/\r | |
1484 | NET_MAP_ITEM *\r | |
7b414b4e | 1485 | EFIAPI\r |
da1d0201 | 1486 | NetMapFindKey (\r |
1487 | IN NET_MAP *Map,\r | |
1488 | IN VOID *Key\r | |
1489 | )\r | |
1490 | {\r | |
e48e37fc | 1491 | LIST_ENTRY *Entry;\r |
da1d0201 | 1492 | NET_MAP_ITEM *Item;\r |
1493 | \r | |
1494 | ASSERT (Map != NULL);\r | |
1495 | \r | |
1496 | NET_LIST_FOR_EACH (Entry, &Map->Used) {\r | |
1497 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
1498 | \r | |
1499 | if (Item->Key == Key) {\r | |
1500 | return Item;\r | |
1501 | }\r | |
1502 | }\r | |
1503 | \r | |
1504 | return NULL;\r | |
1505 | }\r | |
1506 | \r | |
1507 | \r | |
1508 | /**\r | |
b9008c87 | 1509 | Remove the node entry of the item from the netmap and return the key of the removed item.\r |
1204fe83 | 1510 | \r |
1511 | Remove the node entry of the item from the Used doubly linked list of the netmap.\r | |
1512 | The number of the <Key, Value> pairs in the netmap decrease by 1. Then add the node\r | |
b9008c87 | 1513 | entry of the item to the Recycled doubly linked list of the netmap. If Value is not NULL,\r |
1514 | Value will point to the value of the item. It returns the key of the removed item.\r | |
1204fe83 | 1515 | \r |
b9008c87 | 1516 | If Map is NULL, then ASSERT().\r |
1517 | If Item is NULL, then ASSERT().\r | |
1518 | if item in not in the netmap, then ASSERT().\r | |
1204fe83 | 1519 | \r |
3e7104c2 | 1520 | @param[in, out] Map The netmap to remove the item from.\r |
1521 | @param[in, out] Item The item to remove.\r | |
1522 | @param[out] Value The variable to receive the value if not NULL.\r | |
da1d0201 | 1523 | \r |
3e7104c2 | 1524 | @return The key of the removed item.\r |
da1d0201 | 1525 | \r |
1526 | **/\r | |
1527 | VOID *\r | |
7b414b4e | 1528 | EFIAPI\r |
da1d0201 | 1529 | NetMapRemoveItem (\r |
3e7104c2 | 1530 | IN OUT NET_MAP *Map,\r |
1531 | IN OUT NET_MAP_ITEM *Item,\r | |
1532 | OUT VOID **Value OPTIONAL\r | |
da1d0201 | 1533 | )\r |
1534 | {\r | |
1535 | ASSERT ((Map != NULL) && (Item != NULL));\r | |
1536 | ASSERT (NetItemInMap (Map, Item));\r | |
1537 | \r | |
e48e37fc | 1538 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 1539 | Map->Count--;\r |
e48e37fc | 1540 | InsertHeadList (&Map->Recycled, &Item->Link);\r |
da1d0201 | 1541 | \r |
1542 | if (Value != NULL) {\r | |
1543 | *Value = Item->Value;\r | |
1544 | }\r | |
1545 | \r | |
1546 | return Item->Key;\r | |
1547 | }\r | |
1548 | \r | |
1549 | \r | |
1550 | /**\r | |
b9008c87 | 1551 | Remove the first node entry on the netmap and return the key of the removed item.\r |
da1d0201 | 1552 | \r |
1204fe83 | 1553 | Remove the first node entry from the Used doubly linked list of the netmap.\r |
1554 | The number of the <Key, Value> pairs in the netmap decrease by 1. Then add the node\r | |
b9008c87 | 1555 | entry to the Recycled doubly linked list of the netmap. If parameter Value is not NULL,\r |
1556 | parameter Value will point to the value of the item. It returns the key of the removed item.\r | |
1204fe83 | 1557 | \r |
b9008c87 | 1558 | If Map is NULL, then ASSERT().\r |
1559 | If the Used doubly linked list is empty, then ASSERT().\r | |
1204fe83 | 1560 | \r |
3e7104c2 | 1561 | @param[in, out] Map The netmap to remove the head from.\r |
1562 | @param[out] Value The variable to receive the value if not NULL.\r | |
da1d0201 | 1563 | \r |
3e7104c2 | 1564 | @return The key of the item removed.\r |
da1d0201 | 1565 | \r |
1566 | **/\r | |
1567 | VOID *\r | |
7b414b4e | 1568 | EFIAPI\r |
da1d0201 | 1569 | NetMapRemoveHead (\r |
3e7104c2 | 1570 | IN OUT NET_MAP *Map,\r |
da1d0201 | 1571 | OUT VOID **Value OPTIONAL\r |
1572 | )\r | |
1573 | {\r | |
1574 | NET_MAP_ITEM *Item;\r | |
1575 | \r | |
1576 | //\r | |
1577 | // Often, it indicates a programming error to remove\r | |
1578 | // the first entry in an empty list\r | |
1579 | //\r | |
e48e37fc | 1580 | ASSERT (Map && !IsListEmpty (&Map->Used));\r |
da1d0201 | 1581 | \r |
1582 | Item = NET_LIST_HEAD (&Map->Used, NET_MAP_ITEM, Link);\r | |
e48e37fc | 1583 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 1584 | Map->Count--;\r |
e48e37fc | 1585 | InsertHeadList (&Map->Recycled, &Item->Link);\r |
da1d0201 | 1586 | \r |
1587 | if (Value != NULL) {\r | |
1588 | *Value = Item->Value;\r | |
1589 | }\r | |
1590 | \r | |
1591 | return Item->Key;\r | |
1592 | }\r | |
1593 | \r | |
1594 | \r | |
1595 | /**\r | |
b9008c87 | 1596 | Remove the last node entry on the netmap and return the key of the removed item.\r |
da1d0201 | 1597 | \r |
1204fe83 | 1598 | Remove the last node entry from the Used doubly linked list of the netmap.\r |
1599 | The number of the <Key, Value> pairs in the netmap decrease by 1. Then add the node\r | |
b9008c87 | 1600 | entry to the Recycled doubly linked list of the netmap. If parameter Value is not NULL,\r |
1601 | parameter Value will point to the value of the item. It returns the key of the removed item.\r | |
1204fe83 | 1602 | \r |
b9008c87 | 1603 | If Map is NULL, then ASSERT().\r |
1604 | If the Used doubly linked list is empty, then ASSERT().\r | |
1204fe83 | 1605 | \r |
3e7104c2 | 1606 | @param[in, out] Map The netmap to remove the tail from.\r |
1607 | @param[out] Value The variable to receive the value if not NULL.\r | |
da1d0201 | 1608 | \r |
3e7104c2 | 1609 | @return The key of the item removed.\r |
da1d0201 | 1610 | \r |
1611 | **/\r | |
1612 | VOID *\r | |
7b414b4e | 1613 | EFIAPI\r |
da1d0201 | 1614 | NetMapRemoveTail (\r |
3e7104c2 | 1615 | IN OUT NET_MAP *Map,\r |
da1d0201 | 1616 | OUT VOID **Value OPTIONAL\r |
1617 | )\r | |
1618 | {\r | |
1619 | NET_MAP_ITEM *Item;\r | |
1620 | \r | |
1621 | //\r | |
1622 | // Often, it indicates a programming error to remove\r | |
1623 | // the last entry in an empty list\r | |
1624 | //\r | |
e48e37fc | 1625 | ASSERT (Map && !IsListEmpty (&Map->Used));\r |
da1d0201 | 1626 | \r |
1627 | Item = NET_LIST_TAIL (&Map->Used, NET_MAP_ITEM, Link);\r | |
e48e37fc | 1628 | RemoveEntryList (&Item->Link);\r |
da1d0201 | 1629 | Map->Count--;\r |
e48e37fc | 1630 | InsertHeadList (&Map->Recycled, &Item->Link);\r |
da1d0201 | 1631 | \r |
1632 | if (Value != NULL) {\r | |
1633 | *Value = Item->Value;\r | |
1634 | }\r | |
1635 | \r | |
1636 | return Item->Key;\r | |
1637 | }\r | |
1638 | \r | |
1639 | \r | |
1640 | /**\r | |
b9008c87 | 1641 | Iterate through the netmap and call CallBack for each item.\r |
1204fe83 | 1642 | \r |
3b28e744 | 1643 | It will continue the traverse if CallBack returns EFI_SUCCESS, otherwise, break\r |
1204fe83 | 1644 | from the loop. It returns the CallBack's last return value. This function is\r |
b9008c87 | 1645 | delete safe for the current item.\r |
da1d0201 | 1646 | \r |
b9008c87 | 1647 | If Map is NULL, then ASSERT().\r |
1648 | If CallBack is NULL, then ASSERT().\r | |
1204fe83 | 1649 | \r |
3e7104c2 | 1650 | @param[in] Map The Map to iterate through.\r |
1651 | @param[in] CallBack The callback function to call for each item.\r | |
1652 | @param[in] Arg The opaque parameter to the callback.\r | |
da1d0201 | 1653 | \r |
3e7104c2 | 1654 | @retval EFI_SUCCESS There is no item in the netmap or CallBack for each item\r |
1655 | return EFI_SUCCESS.\r | |
1656 | @retval Others It returns the CallBack's last return value.\r | |
da1d0201 | 1657 | \r |
1658 | **/\r | |
1659 | EFI_STATUS\r | |
7b414b4e | 1660 | EFIAPI\r |
da1d0201 | 1661 | NetMapIterate (\r |
1662 | IN NET_MAP *Map,\r | |
1663 | IN NET_MAP_CALLBACK CallBack,\r | |
e2851998 | 1664 | IN VOID *Arg OPTIONAL\r |
da1d0201 | 1665 | )\r |
1666 | {\r | |
1667 | \r | |
e48e37fc | 1668 | LIST_ENTRY *Entry;\r |
1669 | LIST_ENTRY *Next;\r | |
1670 | LIST_ENTRY *Head;\r | |
b9008c87 | 1671 | NET_MAP_ITEM *Item;\r |
1672 | EFI_STATUS Result;\r | |
da1d0201 | 1673 | \r |
1674 | ASSERT ((Map != NULL) && (CallBack != NULL));\r | |
1675 | \r | |
1676 | Head = &Map->Used;\r | |
1677 | \r | |
e48e37fc | 1678 | if (IsListEmpty (Head)) {\r |
da1d0201 | 1679 | return EFI_SUCCESS;\r |
1680 | }\r | |
1681 | \r | |
1682 | NET_LIST_FOR_EACH_SAFE (Entry, Next, Head) {\r | |
1683 | Item = NET_LIST_USER_STRUCT (Entry, NET_MAP_ITEM, Link);\r | |
1684 | Result = CallBack (Map, Item, Arg);\r | |
1685 | \r | |
1686 | if (EFI_ERROR (Result)) {\r | |
1687 | return Result;\r | |
1688 | }\r | |
1689 | }\r | |
1690 | \r | |
1691 | return EFI_SUCCESS;\r | |
1692 | }\r | |
1693 | \r | |
1694 | \r | |
1695 | /**\r | |
1696 | This is the default unload handle for all the network drivers.\r | |
1697 | \r | |
b9008c87 | 1698 | Disconnect the driver specified by ImageHandle from all the devices in the handle database.\r |
1699 | Uninstall all the protocols installed in the driver entry point.\r | |
1204fe83 | 1700 | \r |
3e7104c2 | 1701 | @param[in] ImageHandle The drivers' driver image.\r |
da1d0201 | 1702 | \r |
1703 | @retval EFI_SUCCESS The image is unloaded.\r | |
1704 | @retval Others Failed to unload the image.\r | |
1705 | \r | |
1706 | **/\r | |
1707 | EFI_STATUS\r | |
1708 | EFIAPI\r | |
1709 | NetLibDefaultUnload (\r | |
1710 | IN EFI_HANDLE ImageHandle\r | |
1711 | )\r | |
1712 | {\r | |
1713 | EFI_STATUS Status;\r | |
1714 | EFI_HANDLE *DeviceHandleBuffer;\r | |
1715 | UINTN DeviceHandleCount;\r | |
1716 | UINTN Index;\r | |
6879581d | 1717 | UINTN Index2;\r |
da1d0201 | 1718 | EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r |
1719 | EFI_COMPONENT_NAME_PROTOCOL *ComponentName;\r | |
3012ce5c | 1720 | EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;\r |
da1d0201 | 1721 | \r |
1722 | //\r | |
1723 | // Get the list of all the handles in the handle database.\r | |
1724 | // If there is an error getting the list, then the unload\r | |
1725 | // operation fails.\r | |
1726 | //\r | |
1727 | Status = gBS->LocateHandleBuffer (\r | |
1728 | AllHandles,\r | |
1729 | NULL,\r | |
1730 | NULL,\r | |
1731 | &DeviceHandleCount,\r | |
1732 | &DeviceHandleBuffer\r | |
1733 | );\r | |
1734 | \r | |
1735 | if (EFI_ERROR (Status)) {\r | |
1736 | return Status;\r | |
1737 | }\r | |
1738 | \r | |
da1d0201 | 1739 | for (Index = 0; Index < DeviceHandleCount; Index++) {\r |
1740 | Status = gBS->HandleProtocol (\r | |
1741 | DeviceHandleBuffer[Index],\r | |
1742 | &gEfiDriverBindingProtocolGuid,\r | |
1743 | (VOID **) &DriverBinding\r | |
1744 | );\r | |
da1d0201 | 1745 | if (EFI_ERROR (Status)) {\r |
1746 | continue;\r | |
1747 | }\r | |
1748 | \r | |
1749 | if (DriverBinding->ImageHandle != ImageHandle) {\r | |
1750 | continue;\r | |
1751 | }\r | |
6879581d | 1752 | \r |
1753 | //\r | |
1754 | // Disconnect the driver specified by ImageHandle from all\r | |
1755 | // the devices in the handle database.\r | |
1756 | //\r | |
1757 | for (Index2 = 0; Index2 < DeviceHandleCount; Index2++) {\r | |
1758 | Status = gBS->DisconnectController (\r | |
1759 | DeviceHandleBuffer[Index2],\r | |
1760 | DriverBinding->DriverBindingHandle,\r | |
1761 | NULL\r | |
1762 | );\r | |
1763 | }\r | |
1764 | \r | |
1765 | //\r | |
1766 | // Uninstall all the protocols installed in the driver entry point\r | |
1767 | // \r | |
da1d0201 | 1768 | gBS->UninstallProtocolInterface (\r |
6879581d | 1769 | DriverBinding->DriverBindingHandle,\r |
da1d0201 | 1770 | &gEfiDriverBindingProtocolGuid,\r |
1771 | DriverBinding\r | |
1772 | );\r | |
6879581d | 1773 | \r |
da1d0201 | 1774 | Status = gBS->HandleProtocol (\r |
1775 | DeviceHandleBuffer[Index],\r | |
1776 | &gEfiComponentNameProtocolGuid,\r | |
1777 | (VOID **) &ComponentName\r | |
1778 | );\r | |
1779 | if (!EFI_ERROR (Status)) {\r | |
1780 | gBS->UninstallProtocolInterface (\r | |
6879581d | 1781 | DriverBinding->DriverBindingHandle,\r |
da1d0201 | 1782 | &gEfiComponentNameProtocolGuid,\r |
1783 | ComponentName\r | |
1784 | );\r | |
1785 | }\r | |
1786 | \r | |
1787 | Status = gBS->HandleProtocol (\r | |
1788 | DeviceHandleBuffer[Index],\r | |
3012ce5c | 1789 | &gEfiComponentName2ProtocolGuid,\r |
1790 | (VOID **) &ComponentName2\r | |
da1d0201 | 1791 | );\r |
da1d0201 | 1792 | if (!EFI_ERROR (Status)) {\r |
1793 | gBS->UninstallProtocolInterface (\r | |
6879581d | 1794 | DriverBinding->DriverBindingHandle,\r |
3012ce5c | 1795 | &gEfiComponentName2ProtocolGuid,\r |
1796 | ComponentName2\r | |
1797 | );\r | |
da1d0201 | 1798 | }\r |
1799 | }\r | |
1800 | \r | |
1801 | //\r | |
1802 | // Free the buffer containing the list of handles from the handle database\r | |
1803 | //\r | |
1804 | if (DeviceHandleBuffer != NULL) {\r | |
1805 | gBS->FreePool (DeviceHandleBuffer);\r | |
1806 | }\r | |
1807 | \r | |
1808 | return EFI_SUCCESS;\r | |
1809 | }\r | |
1810 | \r | |
1811 | \r | |
1812 | \r | |
1813 | /**\r | |
1814 | Create a child of the service that is identified by ServiceBindingGuid.\r | |
1204fe83 | 1815 | \r |
b9008c87 | 1816 | Get the ServiceBinding Protocol first, then use it to create a child.\r |
da1d0201 | 1817 | \r |
b9008c87 | 1818 | If ServiceBindingGuid is NULL, then ASSERT().\r |
1819 | If ChildHandle is NULL, then ASSERT().\r | |
1204fe83 | 1820 | \r |
3e7104c2 | 1821 | @param[in] Controller The controller which has the service installed.\r |
1822 | @param[in] Image The image handle used to open service.\r | |
1823 | @param[in] ServiceBindingGuid The service's Guid.\r | |
8f5e6151 | 1824 | @param[in, out] ChildHandle The handle to receive the create child.\r |
da1d0201 | 1825 | \r |
1826 | @retval EFI_SUCCESS The child is successfully created.\r | |
1827 | @retval Others Failed to create the child.\r | |
1828 | \r | |
1829 | **/\r | |
1830 | EFI_STATUS\r | |
7b414b4e | 1831 | EFIAPI\r |
da1d0201 | 1832 | NetLibCreateServiceChild (\r |
1833 | IN EFI_HANDLE Controller,\r | |
1834 | IN EFI_HANDLE Image,\r | |
1835 | IN EFI_GUID *ServiceBindingGuid,\r | |
3e7104c2 | 1836 | IN OUT EFI_HANDLE *ChildHandle\r |
da1d0201 | 1837 | )\r |
1838 | {\r | |
1839 | EFI_STATUS Status;\r | |
1840 | EFI_SERVICE_BINDING_PROTOCOL *Service;\r | |
1841 | \r | |
1842 | \r | |
1843 | ASSERT ((ServiceBindingGuid != NULL) && (ChildHandle != NULL));\r | |
1844 | \r | |
1845 | //\r | |
1846 | // Get the ServiceBinding Protocol\r | |
1847 | //\r | |
1848 | Status = gBS->OpenProtocol (\r | |
1849 | Controller,\r | |
1850 | ServiceBindingGuid,\r | |
1851 | (VOID **) &Service,\r | |
1852 | Image,\r | |
1853 | Controller,\r | |
1854 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1855 | );\r | |
1856 | \r | |
1857 | if (EFI_ERROR (Status)) {\r | |
1858 | return Status;\r | |
1859 | }\r | |
1860 | \r | |
1861 | //\r | |
1862 | // Create a child\r | |
1863 | //\r | |
1864 | Status = Service->CreateChild (Service, ChildHandle);\r | |
1865 | return Status;\r | |
1866 | }\r | |
1867 | \r | |
1868 | \r | |
1869 | /**\r | |
75dce340 | 1870 | Destroy a child of the service that is identified by ServiceBindingGuid.\r |
1204fe83 | 1871 | \r |
b9008c87 | 1872 | Get the ServiceBinding Protocol first, then use it to destroy a child.\r |
1204fe83 | 1873 | \r |
b9008c87 | 1874 | If ServiceBindingGuid is NULL, then ASSERT().\r |
1204fe83 | 1875 | \r |
3e7104c2 | 1876 | @param[in] Controller The controller which has the service installed.\r |
1877 | @param[in] Image The image handle used to open service.\r | |
1878 | @param[in] ServiceBindingGuid The service's Guid.\r | |
75dce340 | 1879 | @param[in] ChildHandle The child to destroy.\r |
da1d0201 | 1880 | \r |
75dce340 | 1881 | @retval EFI_SUCCESS The child is successfully destroyed.\r |
1882 | @retval Others Failed to destroy the child.\r | |
da1d0201 | 1883 | \r |
1884 | **/\r | |
1885 | EFI_STATUS\r | |
7b414b4e | 1886 | EFIAPI\r |
da1d0201 | 1887 | NetLibDestroyServiceChild (\r |
1888 | IN EFI_HANDLE Controller,\r | |
1889 | IN EFI_HANDLE Image,\r | |
1890 | IN EFI_GUID *ServiceBindingGuid,\r | |
1891 | IN EFI_HANDLE ChildHandle\r | |
1892 | )\r | |
1893 | {\r | |
1894 | EFI_STATUS Status;\r | |
1895 | EFI_SERVICE_BINDING_PROTOCOL *Service;\r | |
1896 | \r | |
1897 | ASSERT (ServiceBindingGuid != NULL);\r | |
1898 | \r | |
1899 | //\r | |
1900 | // Get the ServiceBinding Protocol\r | |
1901 | //\r | |
1902 | Status = gBS->OpenProtocol (\r | |
1903 | Controller,\r | |
1904 | ServiceBindingGuid,\r | |
1905 | (VOID **) &Service,\r | |
1906 | Image,\r | |
1907 | Controller,\r | |
1908 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1909 | );\r | |
1910 | \r | |
1911 | if (EFI_ERROR (Status)) {\r | |
1912 | return Status;\r | |
1913 | }\r | |
1914 | \r | |
1915 | //\r | |
75dce340 | 1916 | // destroy the child\r |
da1d0201 | 1917 | //\r |
1918 | Status = Service->DestroyChild (Service, ChildHandle);\r | |
1919 | return Status;\r | |
1920 | }\r | |
1921 | \r | |
779ae357 | 1922 | /**\r |
1923 | Get handle with Simple Network Protocol installed on it.\r | |
1924 | \r | |
1925 | There should be MNP Service Binding Protocol installed on the input ServiceHandle.\r | |
1926 | If Simple Network Protocol is already installed on the ServiceHandle, the\r | |
1927 | ServiceHandle will be returned. If SNP is not installed on the ServiceHandle,\r | |
1928 | try to find its parent handle with SNP installed.\r | |
1929 | \r | |
1930 | @param[in] ServiceHandle The handle where network service binding protocols are\r | |
1931 | installed on.\r | |
1932 | @param[out] Snp The pointer to store the address of the SNP instance.\r | |
1933 | This is an optional parameter that may be NULL.\r | |
1934 | \r | |
1935 | @return The SNP handle, or NULL if not found.\r | |
1936 | \r | |
1937 | **/\r | |
1938 | EFI_HANDLE\r | |
1939 | EFIAPI\r | |
1940 | NetLibGetSnpHandle (\r | |
1941 | IN EFI_HANDLE ServiceHandle,\r | |
1942 | OUT EFI_SIMPLE_NETWORK_PROTOCOL **Snp OPTIONAL\r | |
1943 | )\r | |
1944 | {\r | |
1945 | EFI_STATUS Status;\r | |
1946 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpInstance;\r | |
1947 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
1948 | EFI_HANDLE SnpHandle;\r | |
1949 | \r | |
1950 | //\r | |
1951 | // Try to open SNP from ServiceHandle\r | |
1952 | //\r | |
1953 | SnpInstance = NULL;\r | |
1954 | Status = gBS->HandleProtocol (ServiceHandle, &gEfiSimpleNetworkProtocolGuid, (VOID **) &SnpInstance);\r | |
1955 | if (!EFI_ERROR (Status)) {\r | |
1956 | if (Snp != NULL) {\r | |
1957 | *Snp = SnpInstance;\r | |
1958 | }\r | |
1959 | return ServiceHandle;\r | |
1960 | }\r | |
1961 | \r | |
1962 | //\r | |
1963 | // Failed to open SNP, try to get SNP handle by LocateDevicePath()\r | |
1964 | //\r | |
1965 | DevicePath = DevicePathFromHandle (ServiceHandle);\r | |
1966 | if (DevicePath == NULL) {\r | |
1967 | return NULL;\r | |
1968 | }\r | |
1969 | \r | |
1970 | SnpHandle = NULL;\r | |
1971 | Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &DevicePath, &SnpHandle);\r | |
1972 | if (EFI_ERROR (Status)) {\r | |
1973 | //\r | |
1974 | // Failed to find SNP handle\r | |
1975 | //\r | |
1976 | return NULL;\r | |
1977 | }\r | |
1978 | \r | |
1979 | Status = gBS->HandleProtocol (SnpHandle, &gEfiSimpleNetworkProtocolGuid, (VOID **) &SnpInstance);\r | |
1980 | if (!EFI_ERROR (Status)) {\r | |
1981 | if (Snp != NULL) {\r | |
1982 | *Snp = SnpInstance;\r | |
1983 | }\r | |
1984 | return SnpHandle;\r | |
1985 | }\r | |
1986 | \r | |
1987 | return NULL;\r | |
1988 | }\r | |
1989 | \r | |
1990 | /**\r | |
1991 | Retrieve VLAN ID of a VLAN device handle.\r | |
1992 | \r | |
1993 | Search VLAN device path node in Device Path of specified ServiceHandle and\r | |
1994 | return its VLAN ID. If no VLAN device path node found, then this ServiceHandle\r | |
1995 | is not a VLAN device handle, and 0 will be returned.\r | |
1996 | \r | |
1997 | @param[in] ServiceHandle The handle where network service binding protocols are\r | |
1998 | installed on.\r | |
1999 | \r | |
2000 | @return VLAN ID of the device handle, or 0 if not a VLAN device.\r | |
2001 | \r | |
2002 | **/\r | |
2003 | UINT16\r | |
2004 | EFIAPI\r | |
2005 | NetLibGetVlanId (\r | |
2006 | IN EFI_HANDLE ServiceHandle\r | |
2007 | )\r | |
2008 | {\r | |
2009 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
2010 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
2011 | \r | |
2012 | DevicePath = DevicePathFromHandle (ServiceHandle);\r | |
2013 | if (DevicePath == NULL) {\r | |
2014 | return 0;\r | |
2015 | }\r | |
2016 | \r | |
2017 | Node = DevicePath;\r | |
2018 | while (!IsDevicePathEnd (Node)) {\r | |
2019 | if (Node->Type == MESSAGING_DEVICE_PATH && Node->SubType == MSG_VLAN_DP) {\r | |
2020 | return ((VLAN_DEVICE_PATH *) Node)->VlanId;\r | |
2021 | }\r | |
2022 | Node = NextDevicePathNode (Node);\r | |
2023 | }\r | |
2024 | \r | |
2025 | return 0;\r | |
2026 | }\r | |
2027 | \r | |
2028 | /**\r | |
2029 | Find VLAN device handle with specified VLAN ID.\r | |
2030 | \r | |
2031 | The VLAN child device handle is created by VLAN Config Protocol on ControllerHandle.\r | |
2032 | This function will append VLAN device path node to the parent device path,\r | |
2033 | and then use LocateDevicePath() to find the correct VLAN device handle.\r | |
2034 | \r | |
e2851998 | 2035 | @param[in] ControllerHandle The handle where network service binding protocols are\r |
779ae357 | 2036 | installed on.\r |
e2851998 | 2037 | @param[in] VlanId The configured VLAN ID for the VLAN device.\r |
779ae357 | 2038 | \r |
2039 | @return The VLAN device handle, or NULL if not found.\r | |
2040 | \r | |
2041 | **/\r | |
2042 | EFI_HANDLE\r | |
2043 | EFIAPI\r | |
2044 | NetLibGetVlanHandle (\r | |
2045 | IN EFI_HANDLE ControllerHandle,\r | |
2046 | IN UINT16 VlanId\r | |
2047 | )\r | |
2048 | {\r | |
2049 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
2050 | EFI_DEVICE_PATH_PROTOCOL *VlanDevicePath;\r | |
2051 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
2052 | VLAN_DEVICE_PATH VlanNode;\r | |
2053 | EFI_HANDLE Handle;\r | |
2054 | \r | |
2055 | ParentDevicePath = DevicePathFromHandle (ControllerHandle);\r | |
2056 | if (ParentDevicePath == NULL) {\r | |
2057 | return NULL;\r | |
2058 | }\r | |
2059 | \r | |
2060 | //\r | |
2061 | // Construct VLAN device path\r | |
2062 | //\r | |
2063 | CopyMem (&VlanNode, &mNetVlanDevicePathTemplate, sizeof (VLAN_DEVICE_PATH));\r | |
2064 | VlanNode.VlanId = VlanId;\r | |
2065 | VlanDevicePath = AppendDevicePathNode (\r | |
2066 | ParentDevicePath,\r | |
2067 | (EFI_DEVICE_PATH_PROTOCOL *) &VlanNode\r | |
2068 | );\r | |
2069 | if (VlanDevicePath == NULL) {\r | |
2070 | return NULL;\r | |
2071 | }\r | |
2072 | \r | |
2073 | //\r | |
2074 | // Find VLAN device handle\r | |
2075 | //\r | |
2076 | Handle = NULL;\r | |
2077 | DevicePath = VlanDevicePath;\r | |
2078 | gBS->LocateDevicePath (\r | |
2079 | &gEfiDevicePathProtocolGuid,\r | |
2080 | &DevicePath,\r | |
2081 | &Handle\r | |
2082 | );\r | |
2083 | if (!IsDevicePathEnd (DevicePath)) {\r | |
2084 | //\r | |
2085 | // Device path is not exactly match\r | |
2086 | //\r | |
2087 | Handle = NULL;\r | |
2088 | }\r | |
2089 | \r | |
2090 | FreePool (VlanDevicePath);\r | |
2091 | return Handle;\r | |
2092 | }\r | |
da1d0201 | 2093 | \r |
2094 | /**\r | |
779ae357 | 2095 | Get MAC address associated with the network service handle.\r |
2096 | \r | |
2097 | There should be MNP Service Binding Protocol installed on the input ServiceHandle.\r | |
2098 | If SNP is installed on the ServiceHandle or its parent handle, MAC address will\r | |
2099 | be retrieved from SNP. If no SNP found, try to get SNP mode data use MNP.\r | |
2100 | \r | |
2101 | @param[in] ServiceHandle The handle where network service binding protocols are\r | |
2102 | installed on.\r | |
2103 | @param[out] MacAddress The pointer to store the returned MAC address.\r | |
2104 | @param[out] AddressSize The length of returned MAC address.\r | |
2105 | \r | |
2106 | @retval EFI_SUCCESS MAC address is returned successfully.\r | |
2107 | @retval Others Failed to get SNP mode data.\r | |
2108 | \r | |
2109 | **/\r | |
2110 | EFI_STATUS\r | |
2111 | EFIAPI\r | |
2112 | NetLibGetMacAddress (\r | |
2113 | IN EFI_HANDLE ServiceHandle,\r | |
2114 | OUT EFI_MAC_ADDRESS *MacAddress,\r | |
2115 | OUT UINTN *AddressSize\r | |
2116 | )\r | |
2117 | {\r | |
2118 | EFI_STATUS Status;\r | |
2119 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
2120 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
2121 | EFI_SIMPLE_NETWORK_MODE SnpModeData;\r | |
2122 | EFI_MANAGED_NETWORK_PROTOCOL *Mnp;\r | |
2123 | EFI_SERVICE_BINDING_PROTOCOL *MnpSb;\r | |
2124 | EFI_HANDLE *SnpHandle;\r | |
2125 | EFI_HANDLE MnpChildHandle;\r | |
2126 | \r | |
2127 | ASSERT (MacAddress != NULL);\r | |
2128 | ASSERT (AddressSize != NULL);\r | |
2129 | \r | |
2130 | //\r | |
2131 | // Try to get SNP handle\r | |
2132 | //\r | |
2133 | Snp = NULL;\r | |
2134 | SnpHandle = NetLibGetSnpHandle (ServiceHandle, &Snp);\r | |
2135 | if (SnpHandle != NULL) {\r | |
2136 | //\r | |
2137 | // SNP found, use it directly\r | |
2138 | //\r | |
2139 | SnpMode = Snp->Mode;\r | |
2140 | } else {\r | |
2141 | //\r | |
2142 | // Failed to get SNP handle, try to get MAC address from MNP\r | |
2143 | //\r | |
2144 | MnpChildHandle = NULL;\r | |
2145 | Status = gBS->HandleProtocol (\r | |
2146 | ServiceHandle,\r | |
2147 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
2148 | (VOID **) &MnpSb\r | |
2149 | );\r | |
2150 | if (EFI_ERROR (Status)) {\r | |
2151 | return Status;\r | |
2152 | }\r | |
2153 | \r | |
2154 | //\r | |
2155 | // Create a MNP child\r | |
2156 | //\r | |
2157 | Status = MnpSb->CreateChild (MnpSb, &MnpChildHandle);\r | |
2158 | if (EFI_ERROR (Status)) {\r | |
2159 | return Status;\r | |
2160 | }\r | |
2161 | \r | |
2162 | //\r | |
2163 | // Open MNP protocol\r | |
2164 | //\r | |
2165 | Status = gBS->HandleProtocol (\r | |
2166 | MnpChildHandle,\r | |
2167 | &gEfiManagedNetworkProtocolGuid,\r | |
2168 | (VOID **) &Mnp\r | |
2169 | );\r | |
2170 | if (EFI_ERROR (Status)) {\r | |
e20d6513 | 2171 | MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r |
779ae357 | 2172 | return Status;\r |
2173 | }\r | |
da1d0201 | 2174 | \r |
779ae357 | 2175 | //\r |
2176 | // Try to get SNP mode from MNP\r | |
2177 | //\r | |
2178 | Status = Mnp->GetModeData (Mnp, NULL, &SnpModeData);\r | |
3ce454dd | 2179 | if (EFI_ERROR (Status) && (Status != EFI_NOT_STARTED)) {\r |
e20d6513 | 2180 | MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r |
779ae357 | 2181 | return Status;\r |
2182 | }\r | |
2183 | SnpMode = &SnpModeData;\r | |
b9008c87 | 2184 | \r |
779ae357 | 2185 | //\r |
2186 | // Destroy the MNP child\r | |
2187 | //\r | |
2188 | MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r | |
2189 | }\r | |
b9008c87 | 2190 | \r |
779ae357 | 2191 | *AddressSize = SnpMode->HwAddressSize;\r |
2192 | CopyMem (MacAddress->Addr, SnpMode->CurrentAddress.Addr, SnpMode->HwAddressSize);\r | |
2193 | \r | |
2194 | return EFI_SUCCESS;\r | |
2195 | }\r | |
2196 | \r | |
2197 | /**\r | |
2198 | Convert MAC address of the NIC associated with specified Service Binding Handle\r | |
2199 | to a unicode string. Callers are responsible for freeing the string storage.\r | |
2200 | \r | |
2201 | Locate simple network protocol associated with the Service Binding Handle and\r | |
2202 | get the mac address from SNP. Then convert the mac address into a unicode\r | |
2203 | string. It takes 2 unicode characters to represent a 1 byte binary buffer.\r | |
2204 | Plus one unicode character for the null-terminator.\r | |
2205 | \r | |
2206 | @param[in] ServiceHandle The handle where network service binding protocol is\r | |
3e7104c2 | 2207 | installed on.\r |
2208 | @param[in] ImageHandle The image handle used to act as the agent handle to\r | |
b00ed21a | 2209 | get the simple network protocol. This parameter is\r |
2210 | optional and may be NULL.\r | |
3e7104c2 | 2211 | @param[out] MacString The pointer to store the address of the string\r |
2212 | representation of the mac address.\r | |
1204fe83 | 2213 | \r |
3e7104c2 | 2214 | @retval EFI_SUCCESS Convert the mac address a unicode string successfully.\r |
da1d0201 | 2215 | @retval EFI_OUT_OF_RESOURCES There are not enough memory resource.\r |
3e7104c2 | 2216 | @retval Others Failed to open the simple network protocol.\r |
da1d0201 | 2217 | \r |
2218 | **/\r | |
2219 | EFI_STATUS\r | |
7b414b4e | 2220 | EFIAPI\r |
da1d0201 | 2221 | NetLibGetMacString (\r |
779ae357 | 2222 | IN EFI_HANDLE ServiceHandle,\r |
b00ed21a | 2223 | IN EFI_HANDLE ImageHandle, OPTIONAL\r |
3e7104c2 | 2224 | OUT CHAR16 **MacString\r |
da1d0201 | 2225 | )\r |
2226 | {\r | |
2227 | EFI_STATUS Status;\r | |
779ae357 | 2228 | EFI_MAC_ADDRESS MacAddress;\r |
1204fe83 | 2229 | UINT8 *HwAddress;\r |
779ae357 | 2230 | UINTN HwAddressSize;\r |
2231 | UINT16 VlanId;\r | |
2232 | CHAR16 *String;\r | |
da1d0201 | 2233 | UINTN Index;\r |
9f4048f7 | 2234 | UINTN BufferSize;\r |
da1d0201 | 2235 | \r |
779ae357 | 2236 | ASSERT (MacString != NULL);\r |
da1d0201 | 2237 | \r |
2238 | //\r | |
779ae357 | 2239 | // Get MAC address of the network device\r |
da1d0201 | 2240 | //\r |
779ae357 | 2241 | Status = NetLibGetMacAddress (ServiceHandle, &MacAddress, &HwAddressSize);\r |
da1d0201 | 2242 | if (EFI_ERROR (Status)) {\r |
2243 | return Status;\r | |
2244 | }\r | |
2245 | \r | |
da1d0201 | 2246 | //\r |
2247 | // It takes 2 unicode characters to represent a 1 byte binary buffer.\r | |
779ae357 | 2248 | // If VLAN is configured, it will need extra 5 characters like "\0005".\r |
da1d0201 | 2249 | // Plus one unicode character for the null-terminator.\r |
2250 | //\r | |
9f4048f7 HW |
2251 | BufferSize = (2 * HwAddressSize + 5 + 1) * sizeof (CHAR16);\r |
2252 | String = AllocateZeroPool (BufferSize);\r | |
779ae357 | 2253 | if (String == NULL) {\r |
da1d0201 | 2254 | return EFI_OUT_OF_RESOURCES;\r |
2255 | }\r | |
779ae357 | 2256 | *MacString = String;\r |
da1d0201 | 2257 | \r |
2258 | //\r | |
779ae357 | 2259 | // Convert the MAC address into a unicode string.\r |
da1d0201 | 2260 | //\r |
779ae357 | 2261 | HwAddress = &MacAddress.Addr[0];\r |
2262 | for (Index = 0; Index < HwAddressSize; Index++) {\r | |
9f4048f7 HW |
2263 | UnicodeValueToStringS (\r |
2264 | String,\r | |
2265 | BufferSize - ((UINTN)String - (UINTN)*MacString),\r | |
2266 | PREFIX_ZERO | RADIX_HEX,\r | |
2267 | *(HwAddress++),\r | |
2268 | 2\r | |
2269 | );\r | |
2270 | String += StrnLenS (String, (BufferSize - ((UINTN)String - (UINTN)*MacString)) / sizeof (CHAR16));\r | |
da1d0201 | 2271 | }\r |
2272 | \r | |
779ae357 | 2273 | //\r |
2274 | // Append VLAN ID if any\r | |
2275 | //\r | |
2276 | VlanId = NetLibGetVlanId (ServiceHandle);\r | |
2277 | if (VlanId != 0) {\r | |
2278 | *String++ = L'\\';\r | |
9f4048f7 HW |
2279 | UnicodeValueToStringS (\r |
2280 | String,\r | |
2281 | BufferSize - ((UINTN)String - (UINTN)*MacString),\r | |
2282 | PREFIX_ZERO | RADIX_HEX,\r | |
2283 | VlanId,\r | |
2284 | 4\r | |
2285 | );\r | |
2286 | String += StrnLenS (String, (BufferSize - ((UINTN)String - (UINTN)*MacString)) / sizeof (CHAR16));\r | |
779ae357 | 2287 | }\r |
da1d0201 | 2288 | \r |
779ae357 | 2289 | //\r |
2290 | // Null terminate the Unicode string\r | |
2291 | //\r | |
2292 | *String = L'\0';\r | |
da1d0201 | 2293 | \r |
2294 | return EFI_SUCCESS;\r | |
2295 | }\r | |
2296 | \r | |
dd29f3ed | 2297 | /**\r |
2298 | Detect media status for specified network device.\r | |
2299 | \r | |
2300 | The underlying UNDI driver may or may not support reporting media status from\r | |
2301 | GET_STATUS command (PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED). This routine\r | |
2302 | will try to invoke Snp->GetStatus() to get the media status: if media already\r | |
2303 | present, it return directly; if media not present, it will stop SNP and then\r | |
2304 | restart SNP to get the latest media status, this give chance to get the correct\r | |
2305 | media status for old UNDI driver which doesn't support reporting media status\r | |
2306 | from GET_STATUS command.\r | |
2307 | Note: there will be two limitations for current algorithm:\r | |
2308 | 1) for UNDI with this capability, in case of cable is not attached, there will\r | |
2309 | be an redundant Stop/Start() process;\r | |
3b1464d5 | 2310 | 2) for UNDI without this capability, in case that network cable is attached when\r |
2311 | Snp->Initialize() is invoked while network cable is unattached later,\r | |
2312 | NetLibDetectMedia() will report MediaPresent as TRUE, causing upper layer\r | |
2313 | apps to wait for timeout time.\r | |
dd29f3ed | 2314 | \r |
2315 | @param[in] ServiceHandle The handle where network service binding protocols are\r | |
2316 | installed on.\r | |
2317 | @param[out] MediaPresent The pointer to store the media status.\r | |
2318 | \r | |
2319 | @retval EFI_SUCCESS Media detection success.\r | |
2320 | @retval EFI_INVALID_PARAMETER ServiceHandle is not valid network device handle.\r | |
2321 | @retval EFI_UNSUPPORTED Network device does not support media detection.\r | |
2322 | @retval EFI_DEVICE_ERROR SNP is in unknown state.\r | |
2323 | \r | |
2324 | **/\r | |
2325 | EFI_STATUS\r | |
2326 | EFIAPI\r | |
2327 | NetLibDetectMedia (\r | |
2328 | IN EFI_HANDLE ServiceHandle,\r | |
2329 | OUT BOOLEAN *MediaPresent\r | |
2330 | )\r | |
2331 | {\r | |
2332 | EFI_STATUS Status;\r | |
2333 | EFI_HANDLE SnpHandle;\r | |
2334 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
2335 | UINT32 InterruptStatus;\r | |
2336 | UINT32 OldState;\r | |
2337 | EFI_MAC_ADDRESS *MCastFilter;\r | |
2338 | UINT32 MCastFilterCount;\r | |
2339 | UINT32 EnableFilterBits;\r | |
2340 | UINT32 DisableFilterBits;\r | |
2341 | BOOLEAN ResetMCastFilters;\r | |
2342 | \r | |
2343 | ASSERT (MediaPresent != NULL);\r | |
2344 | \r | |
2345 | //\r | |
2346 | // Get SNP handle\r | |
2347 | //\r | |
2348 | Snp = NULL;\r | |
2349 | SnpHandle = NetLibGetSnpHandle (ServiceHandle, &Snp);\r | |
2350 | if (SnpHandle == NULL) {\r | |
2351 | return EFI_INVALID_PARAMETER;\r | |
2352 | }\r | |
2353 | \r | |
2354 | //\r | |
2355 | // Check whether SNP support media detection\r | |
2356 | //\r | |
2357 | if (!Snp->Mode->MediaPresentSupported) {\r | |
2358 | return EFI_UNSUPPORTED;\r | |
2359 | }\r | |
2360 | \r | |
2361 | //\r | |
2362 | // Invoke Snp->GetStatus() to refresh MediaPresent field in SNP mode data\r | |
2363 | //\r | |
2364 | Status = Snp->GetStatus (Snp, &InterruptStatus, NULL);\r | |
2365 | if (EFI_ERROR (Status)) {\r | |
2366 | return Status;\r | |
2367 | }\r | |
2368 | \r | |
2369 | if (Snp->Mode->MediaPresent) {\r | |
2370 | //\r | |
2371 | // Media is present, return directly\r | |
2372 | //\r | |
2373 | *MediaPresent = TRUE;\r | |
2374 | return EFI_SUCCESS;\r | |
2375 | }\r | |
2376 | \r | |
2377 | //\r | |
2378 | // Till now, GetStatus() report no media; while, in case UNDI not support\r | |
2379 | // reporting media status from GetStatus(), this media status may be incorrect.\r | |
2380 | // So, we will stop SNP and then restart it to get the correct media status.\r | |
2381 | //\r | |
2382 | OldState = Snp->Mode->State;\r | |
2383 | if (OldState >= EfiSimpleNetworkMaxState) {\r | |
2384 | return EFI_DEVICE_ERROR;\r | |
2385 | }\r | |
2386 | \r | |
2387 | MCastFilter = NULL;\r | |
2388 | \r | |
2389 | if (OldState == EfiSimpleNetworkInitialized) {\r | |
2390 | //\r | |
2391 | // SNP is already in use, need Shutdown/Stop and then Start/Initialize\r | |
2392 | //\r | |
2393 | \r | |
2394 | //\r | |
2395 | // Backup current SNP receive filter settings\r | |
2396 | //\r | |
2397 | EnableFilterBits = Snp->Mode->ReceiveFilterSetting;\r | |
2398 | DisableFilterBits = Snp->Mode->ReceiveFilterMask ^ EnableFilterBits;\r | |
2399 | \r | |
2400 | ResetMCastFilters = TRUE;\r | |
2401 | MCastFilterCount = Snp->Mode->MCastFilterCount;\r | |
2402 | if (MCastFilterCount != 0) {\r | |
2403 | MCastFilter = AllocateCopyPool (\r | |
2404 | MCastFilterCount * sizeof (EFI_MAC_ADDRESS),\r | |
2405 | Snp->Mode->MCastFilter\r | |
2406 | );\r | |
2407 | ASSERT (MCastFilter != NULL);\r | |
2408 | \r | |
2409 | ResetMCastFilters = FALSE;\r | |
2410 | }\r | |
2411 | \r | |
2412 | //\r | |
2413 | // Shutdown/Stop the simple network\r | |
2414 | //\r | |
2415 | Status = Snp->Shutdown (Snp);\r | |
2416 | if (!EFI_ERROR (Status)) {\r | |
2417 | Status = Snp->Stop (Snp);\r | |
2418 | }\r | |
2419 | if (EFI_ERROR (Status)) {\r | |
2420 | goto Exit;\r | |
2421 | }\r | |
2422 | \r | |
2423 | //\r | |
2424 | // Start/Initialize the simple network\r | |
2425 | //\r | |
2426 | Status = Snp->Start (Snp);\r | |
2427 | if (!EFI_ERROR (Status)) {\r | |
2428 | Status = Snp->Initialize (Snp, 0, 0);\r | |
2429 | }\r | |
2430 | if (EFI_ERROR (Status)) {\r | |
2431 | goto Exit;\r | |
2432 | }\r | |
2433 | \r | |
2434 | //\r | |
2435 | // Here we get the correct media status\r | |
2436 | //\r | |
2437 | *MediaPresent = Snp->Mode->MediaPresent;\r | |
2438 | \r | |
2439 | //\r | |
2440 | // Restore SNP receive filter settings\r | |
2441 | //\r | |
2442 | Status = Snp->ReceiveFilters (\r | |
2443 | Snp,\r | |
2444 | EnableFilterBits,\r | |
2445 | DisableFilterBits,\r | |
2446 | ResetMCastFilters,\r | |
2447 | MCastFilterCount,\r | |
2448 | MCastFilter\r | |
2449 | );\r | |
2450 | \r | |
2451 | if (MCastFilter != NULL) {\r | |
2452 | FreePool (MCastFilter);\r | |
2453 | }\r | |
2454 | \r | |
2455 | return Status;\r | |
2456 | }\r | |
2457 | \r | |
2458 | //\r | |
2459 | // SNP is not in use, it's in state of EfiSimpleNetworkStopped or EfiSimpleNetworkStarted\r | |
2460 | //\r | |
2461 | if (OldState == EfiSimpleNetworkStopped) {\r | |
2462 | //\r | |
2463 | // SNP not start yet, start it\r | |
2464 | //\r | |
2465 | Status = Snp->Start (Snp);\r | |
2466 | if (EFI_ERROR (Status)) {\r | |
2467 | goto Exit;\r | |
2468 | }\r | |
2469 | }\r | |
2470 | \r | |
2471 | //\r | |
2472 | // Initialize the simple network\r | |
2473 | //\r | |
2474 | Status = Snp->Initialize (Snp, 0, 0);\r | |
2475 | if (EFI_ERROR (Status)) {\r | |
2476 | Status = EFI_DEVICE_ERROR;\r | |
2477 | goto Exit;\r | |
2478 | }\r | |
2479 | \r | |
2480 | //\r | |
2481 | // Here we get the correct media status\r | |
2482 | //\r | |
2483 | *MediaPresent = Snp->Mode->MediaPresent;\r | |
2484 | \r | |
2485 | //\r | |
2486 | // Shut down the simple network\r | |
2487 | //\r | |
2488 | Snp->Shutdown (Snp);\r | |
2489 | \r | |
2490 | Exit:\r | |
2491 | if (OldState == EfiSimpleNetworkStopped) {\r | |
2492 | //\r | |
2493 | // Original SNP sate is Stopped, restore to original state\r | |
2494 | //\r | |
2495 | Snp->Stop (Snp);\r | |
2496 | }\r | |
2497 | \r | |
2498 | if (MCastFilter != NULL) {\r | |
2499 | FreePool (MCastFilter);\r | |
2500 | }\r | |
2501 | \r | |
2502 | return Status;\r | |
2503 | }\r | |
2504 | \r | |
da1d0201 | 2505 | /**\r |
2506 | Check the default address used by the IPv4 driver is static or dynamic (acquired\r | |
2507 | from DHCP).\r | |
2508 | \r | |
6c5c70d6 | 2509 | If the controller handle does not have the EFI_IP4_CONFIG2_PROTOCOL installed, the\r |
2510 | default address is static. If failed to get the policy from Ip4 Config2 Protocol, \r | |
2511 | the default address is static. Otherwise, get the result from Ip4 Config2 Protocol.\r | |
1204fe83 | 2512 | \r |
6c5c70d6 | 2513 | @param[in] Controller The controller handle which has the EFI_IP4_CONFIG2_PROTOCOL \r |
3e7104c2 | 2514 | relative with the default address to judge.\r |
da1d0201 | 2515 | \r |
2516 | @retval TRUE If the default address is static.\r | |
2517 | @retval FALSE If the default address is acquired from DHCP.\r | |
2518 | \r | |
2519 | **/\r | |
da1d0201 | 2520 | BOOLEAN\r |
2521 | NetLibDefaultAddressIsStatic (\r | |
2522 | IN EFI_HANDLE Controller\r | |
2523 | )\r | |
2524 | {\r | |
63886849 | 2525 | EFI_STATUS Status;\r |
6c5c70d6 | 2526 | EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;\r |
2527 | UINTN DataSize; \r | |
2528 | EFI_IP4_CONFIG2_POLICY Policy;\r | |
63886849 | 2529 | BOOLEAN IsStatic;\r |
da1d0201 | 2530 | \r |
6c5c70d6 | 2531 | Ip4Config2 = NULL;\r |
2532 | \r | |
2533 | DataSize = sizeof (EFI_IP4_CONFIG2_POLICY);\r | |
2534 | \r | |
2535 | IsStatic = TRUE;\r | |
1dc1b43f | 2536 | \r |
63886849 | 2537 | //\r |
6c5c70d6 | 2538 | // Get Ip4Config2 policy.\r |
63886849 | 2539 | //\r |
6c5c70d6 | 2540 | Status = gBS->HandleProtocol (Controller, &gEfiIp4Config2ProtocolGuid, (VOID **) &Ip4Config2);\r |
63886849 | 2541 | if (EFI_ERROR (Status)) {\r |
2542 | goto ON_EXIT;\r | |
da1d0201 | 2543 | }\r |
2544 | \r | |
6c5c70d6 | 2545 | Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypePolicy, &DataSize, &Policy);\r |
da1d0201 | 2546 | if (EFI_ERROR (Status)) {\r |
2547 | goto ON_EXIT;\r | |
2548 | }\r | |
6c5c70d6 | 2549 | \r |
2550 | IsStatic = (BOOLEAN) (Policy == Ip4Config2PolicyStatic);\r | |
1204fe83 | 2551 | \r |
da1d0201 | 2552 | ON_EXIT:\r |
6c5c70d6 | 2553 | \r |
da1d0201 | 2554 | return IsStatic;\r |
2555 | }\r | |
2556 | \r | |
2557 | /**\r | |
2558 | Create an IPv4 device path node.\r | |
1204fe83 | 2559 | \r |
b9008c87 | 2560 | The header type of IPv4 device path node is MESSAGING_DEVICE_PATH.\r |
2561 | The header subtype of IPv4 device path node is MSG_IPv4_DP.\r | |
b9008c87 | 2562 | Get other info from parameters to make up the whole IPv4 device path node.\r |
da1d0201 | 2563 | \r |
3e7104c2 | 2564 | @param[in, out] Node Pointer to the IPv4 device path node.\r |
f6b7393c | 2565 | @param[in] Controller The controller handle.\r |
3e7104c2 | 2566 | @param[in] LocalIp The local IPv4 address.\r |
2567 | @param[in] LocalPort The local port.\r | |
2568 | @param[in] RemoteIp The remote IPv4 address.\r | |
2569 | @param[in] RemotePort The remote port.\r | |
2570 | @param[in] Protocol The protocol type in the IP header.\r | |
2571 | @param[in] UseDefaultAddress Whether this instance is using default address or not.\r | |
da1d0201 | 2572 | \r |
da1d0201 | 2573 | **/\r |
2574 | VOID\r | |
7b414b4e | 2575 | EFIAPI\r |
da1d0201 | 2576 | NetLibCreateIPv4DPathNode (\r |
2577 | IN OUT IPv4_DEVICE_PATH *Node,\r | |
2578 | IN EFI_HANDLE Controller,\r | |
2579 | IN IP4_ADDR LocalIp,\r | |
2580 | IN UINT16 LocalPort,\r | |
2581 | IN IP4_ADDR RemoteIp,\r | |
2582 | IN UINT16 RemotePort,\r | |
2583 | IN UINT16 Protocol,\r | |
2584 | IN BOOLEAN UseDefaultAddress\r | |
2585 | )\r | |
2586 | {\r | |
2587 | Node->Header.Type = MESSAGING_DEVICE_PATH;\r | |
2588 | Node->Header.SubType = MSG_IPv4_DP;\r | |
501793fa | 2589 | SetDevicePathNodeLength (&Node->Header, sizeof (IPv4_DEVICE_PATH));\r |
da1d0201 | 2590 | \r |
e48e37fc | 2591 | CopyMem (&Node->LocalIpAddress, &LocalIp, sizeof (EFI_IPv4_ADDRESS));\r |
2592 | CopyMem (&Node->RemoteIpAddress, &RemoteIp, sizeof (EFI_IPv4_ADDRESS));\r | |
da1d0201 | 2593 | \r |
2594 | Node->LocalPort = LocalPort;\r | |
2595 | Node->RemotePort = RemotePort;\r | |
2596 | \r | |
2597 | Node->Protocol = Protocol;\r | |
2598 | \r | |
2599 | if (!UseDefaultAddress) {\r | |
2600 | Node->StaticIpAddress = TRUE;\r | |
2601 | } else {\r | |
2602 | Node->StaticIpAddress = NetLibDefaultAddressIsStatic (Controller);\r | |
2603 | }\r | |
501793fa RN |
2604 | \r |
2605 | //\r | |
2606 | // Set the Gateway IP address to default value 0:0:0:0.\r | |
2607 | // Set the Subnet mask to default value 255:255:255:0.\r | |
2608 | //\r | |
2609 | ZeroMem (&Node->GatewayIpAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
2610 | SetMem (&Node->SubnetMask, sizeof (EFI_IPv4_ADDRESS), 0xff);\r | |
2611 | Node->SubnetMask.Addr[3] = 0;\r | |
da1d0201 | 2612 | }\r |
2613 | \r | |
f6b7393c | 2614 | /**\r |
2615 | Create an IPv6 device path node.\r | |
1204fe83 | 2616 | \r |
f6b7393c | 2617 | The header type of IPv6 device path node is MESSAGING_DEVICE_PATH.\r |
2618 | The header subtype of IPv6 device path node is MSG_IPv6_DP.\r | |
2619 | Get other info from parameters to make up the whole IPv6 device path node.\r | |
2620 | \r | |
2621 | @param[in, out] Node Pointer to the IPv6 device path node.\r | |
2622 | @param[in] Controller The controller handle.\r | |
2623 | @param[in] LocalIp The local IPv6 address.\r | |
2624 | @param[in] LocalPort The local port.\r | |
2625 | @param[in] RemoteIp The remote IPv6 address.\r | |
2626 | @param[in] RemotePort The remote port.\r | |
2627 | @param[in] Protocol The protocol type in the IP header.\r | |
2628 | \r | |
2629 | **/\r | |
2630 | VOID\r | |
2631 | EFIAPI\r | |
2632 | NetLibCreateIPv6DPathNode (\r | |
2633 | IN OUT IPv6_DEVICE_PATH *Node,\r | |
2634 | IN EFI_HANDLE Controller,\r | |
2635 | IN EFI_IPv6_ADDRESS *LocalIp,\r | |
2636 | IN UINT16 LocalPort,\r | |
2637 | IN EFI_IPv6_ADDRESS *RemoteIp,\r | |
2638 | IN UINT16 RemotePort,\r | |
2639 | IN UINT16 Protocol\r | |
2640 | )\r | |
2641 | {\r | |
2642 | Node->Header.Type = MESSAGING_DEVICE_PATH;\r | |
2643 | Node->Header.SubType = MSG_IPv6_DP;\r | |
2644 | SetDevicePathNodeLength (&Node->Header, sizeof (IPv6_DEVICE_PATH));\r | |
2645 | \r | |
2646 | CopyMem (&Node->LocalIpAddress, LocalIp, sizeof (EFI_IPv6_ADDRESS));\r | |
2647 | CopyMem (&Node->RemoteIpAddress, RemoteIp, sizeof (EFI_IPv6_ADDRESS));\r | |
2648 | \r | |
2649 | Node->LocalPort = LocalPort;\r | |
2650 | Node->RemotePort = RemotePort;\r | |
2651 | \r | |
2652 | Node->Protocol = Protocol;\r | |
501793fa RN |
2653 | \r |
2654 | //\r | |
2655 | // Set default value to IPAddressOrigin, PrefixLength.\r | |
2656 | // Set the Gateway IP address to unspecified address.\r | |
2657 | //\r | |
2658 | Node->IpAddressOrigin = 0;\r | |
2659 | Node->PrefixLength = IP6_PREFIX_LENGTH;\r | |
2660 | ZeroMem (&Node->GatewayIpAddress, sizeof (EFI_IPv6_ADDRESS));\r | |
f6b7393c | 2661 | }\r |
da1d0201 | 2662 | \r |
2663 | /**\r | |
2664 | Find the UNDI/SNP handle from controller and protocol GUID.\r | |
1204fe83 | 2665 | \r |
da1d0201 | 2666 | For example, IP will open a MNP child to transmit/receive\r |
2667 | packets, when MNP is stopped, IP should also be stopped. IP\r | |
2668 | needs to find its own private data which is related the IP's\r | |
2669 | service binding instance that is install on UNDI/SNP handle.\r | |
2670 | Now, the controller is either a MNP or ARP child handle. But\r | |
2671 | IP opens these handle BY_DRIVER, use that info, we can get the\r | |
2672 | UNDI/SNP handle.\r | |
2673 | \r | |
3e7104c2 | 2674 | @param[in] Controller Then protocol handle to check.\r |
2675 | @param[in] ProtocolGuid The protocol that is related with the handle.\r | |
da1d0201 | 2676 | \r |
3e7104c2 | 2677 | @return The UNDI/SNP handle or NULL for errors.\r |
da1d0201 | 2678 | \r |
2679 | **/\r | |
2680 | EFI_HANDLE\r | |
7b414b4e | 2681 | EFIAPI\r |
da1d0201 | 2682 | NetLibGetNicHandle (\r |
2683 | IN EFI_HANDLE Controller,\r | |
2684 | IN EFI_GUID *ProtocolGuid\r | |
2685 | )\r | |
2686 | {\r | |
2687 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenBuffer;\r | |
2688 | EFI_HANDLE Handle;\r | |
2689 | EFI_STATUS Status;\r | |
2690 | UINTN OpenCount;\r | |
2691 | UINTN Index;\r | |
2692 | \r | |
2693 | Status = gBS->OpenProtocolInformation (\r | |
2694 | Controller,\r | |
2695 | ProtocolGuid,\r | |
2696 | &OpenBuffer,\r | |
2697 | &OpenCount\r | |
2698 | );\r | |
2699 | \r | |
2700 | if (EFI_ERROR (Status)) {\r | |
2701 | return NULL;\r | |
2702 | }\r | |
2703 | \r | |
2704 | Handle = NULL;\r | |
2705 | \r | |
2706 | for (Index = 0; Index < OpenCount; Index++) {\r | |
e2851998 | 2707 | if ((OpenBuffer[Index].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {\r |
da1d0201 | 2708 | Handle = OpenBuffer[Index].ControllerHandle;\r |
2709 | break;\r | |
2710 | }\r | |
2711 | }\r | |
2712 | \r | |
2713 | gBS->FreePool (OpenBuffer);\r | |
2714 | return Handle;\r | |
2715 | }\r | |
e4ef0031 | 2716 | \r |
2717 | /**\r | |
2718 | Convert one Null-terminated ASCII string (decimal dotted) to EFI_IPv4_ADDRESS.\r | |
2719 | \r | |
2720 | @param[in] String The pointer to the Ascii string.\r | |
2721 | @param[out] Ip4Address The pointer to the converted IPv4 address.\r | |
2722 | \r | |
dd29f3ed | 2723 | @retval EFI_SUCCESS Convert to IPv4 address successfully.\r |
e4ef0031 | 2724 | @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.\r |
2725 | \r | |
2726 | **/\r | |
2727 | EFI_STATUS\r | |
e798cd87 | 2728 | EFIAPI\r |
e4ef0031 | 2729 | NetLibAsciiStrToIp4 (\r |
2730 | IN CONST CHAR8 *String,\r | |
2731 | OUT EFI_IPv4_ADDRESS *Ip4Address\r | |
2732 | )\r | |
2733 | {\r | |
9f5ca5ef RN |
2734 | RETURN_STATUS Status;\r |
2735 | CHAR8 *EndPointer;\r | |
e4ef0031 | 2736 | \r |
9f5ca5ef RN |
2737 | Status = AsciiStrToIpv4Address (String, &EndPointer, Ip4Address, NULL);\r |
2738 | if (RETURN_ERROR (Status) || (*EndPointer != '\0')) {\r | |
e4ef0031 | 2739 | return EFI_INVALID_PARAMETER;\r |
9f5ca5ef RN |
2740 | } else {\r |
2741 | return EFI_SUCCESS;\r | |
e4ef0031 | 2742 | }\r |
e4ef0031 | 2743 | }\r |
2744 | \r | |
2745 | \r | |
2746 | /**\r | |
2747 | Convert one Null-terminated ASCII string to EFI_IPv6_ADDRESS. The format of the\r | |
3b28e744 | 2748 | string is defined in RFC 4291 - Text Representation of Addresses.\r |
e4ef0031 | 2749 | \r |
2750 | @param[in] String The pointer to the Ascii string.\r | |
2751 | @param[out] Ip6Address The pointer to the converted IPv6 address.\r | |
2752 | \r | |
dd29f3ed | 2753 | @retval EFI_SUCCESS Convert to IPv6 address successfully.\r |
e4ef0031 | 2754 | @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r |
2755 | \r | |
2756 | **/\r | |
2757 | EFI_STATUS\r | |
e798cd87 | 2758 | EFIAPI\r |
e4ef0031 | 2759 | NetLibAsciiStrToIp6 (\r |
2760 | IN CONST CHAR8 *String,\r | |
2761 | OUT EFI_IPv6_ADDRESS *Ip6Address\r | |
2762 | )\r | |
2763 | {\r | |
9f5ca5ef RN |
2764 | RETURN_STATUS Status;\r |
2765 | CHAR8 *EndPointer;\r | |
e4ef0031 | 2766 | \r |
9f5ca5ef RN |
2767 | Status = AsciiStrToIpv6Address (String, &EndPointer, Ip6Address, NULL);\r |
2768 | if (RETURN_ERROR (Status) || (*EndPointer != '\0')) {\r | |
e4ef0031 | 2769 | return EFI_INVALID_PARAMETER;\r |
9f5ca5ef RN |
2770 | } else {\r |
2771 | return EFI_SUCCESS;\r | |
e4ef0031 | 2772 | }\r |
e4ef0031 | 2773 | }\r |
2774 | \r | |
2775 | \r | |
2776 | /**\r | |
2777 | Convert one Null-terminated Unicode string (decimal dotted) to EFI_IPv4_ADDRESS.\r | |
2778 | \r | |
2779 | @param[in] String The pointer to the Ascii string.\r | |
2780 | @param[out] Ip4Address The pointer to the converted IPv4 address.\r | |
2781 | \r | |
dd29f3ed | 2782 | @retval EFI_SUCCESS Convert to IPv4 address successfully.\r |
e4ef0031 | 2783 | @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.\r |
e4ef0031 | 2784 | \r |
2785 | **/\r | |
2786 | EFI_STATUS\r | |
e798cd87 | 2787 | EFIAPI\r |
e4ef0031 | 2788 | NetLibStrToIp4 (\r |
2789 | IN CONST CHAR16 *String,\r | |
2790 | OUT EFI_IPv4_ADDRESS *Ip4Address\r | |
2791 | )\r | |
2792 | {\r | |
9f5ca5ef RN |
2793 | RETURN_STATUS Status;\r |
2794 | CHAR16 *EndPointer;\r | |
dd29f3ed | 2795 | \r |
9f5ca5ef RN |
2796 | Status = StrToIpv4Address (String, &EndPointer, Ip4Address, NULL);\r |
2797 | if (RETURN_ERROR (Status) || (*EndPointer != L'\0')) {\r | |
e4ef0031 | 2798 | return EFI_INVALID_PARAMETER;\r |
9f5ca5ef RN |
2799 | } else {\r |
2800 | return EFI_SUCCESS;\r | |
e4ef0031 | 2801 | }\r |
e4ef0031 | 2802 | }\r |
2803 | \r | |
2804 | \r | |
2805 | /**\r | |
2806 | Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS. The format of\r | |
3b28e744 | 2807 | the string is defined in RFC 4291 - Text Representation of Addresses.\r |
e4ef0031 | 2808 | \r |
2809 | @param[in] String The pointer to the Ascii string.\r | |
2810 | @param[out] Ip6Address The pointer to the converted IPv6 address.\r | |
2811 | \r | |
dd29f3ed | 2812 | @retval EFI_SUCCESS Convert to IPv6 address successfully.\r |
e4ef0031 | 2813 | @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r |
e4ef0031 | 2814 | \r |
2815 | **/\r | |
2816 | EFI_STATUS\r | |
e798cd87 | 2817 | EFIAPI\r |
e4ef0031 | 2818 | NetLibStrToIp6 (\r |
2819 | IN CONST CHAR16 *String,\r | |
2820 | OUT EFI_IPv6_ADDRESS *Ip6Address\r | |
dd29f3ed | 2821 | )\r |
e4ef0031 | 2822 | {\r |
9f5ca5ef RN |
2823 | RETURN_STATUS Status;\r |
2824 | CHAR16 *EndPointer;\r | |
dd29f3ed | 2825 | \r |
9f5ca5ef RN |
2826 | Status = StrToIpv6Address (String, &EndPointer, Ip6Address, NULL);\r |
2827 | if (RETURN_ERROR (Status) || (*EndPointer != L'\0')) {\r | |
e4ef0031 | 2828 | return EFI_INVALID_PARAMETER;\r |
9f5ca5ef RN |
2829 | } else {\r |
2830 | return EFI_SUCCESS;\r | |
e4ef0031 | 2831 | }\r |
e4ef0031 | 2832 | }\r |
2833 | \r | |
2834 | /**\r | |
2835 | Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS and prefix length.\r | |
3b28e744 | 2836 | The format of the string is defined in RFC 4291 - Text Representation of Addresses\r |
e4ef0031 | 2837 | Prefixes: ipv6-address/prefix-length.\r |
2838 | \r | |
2839 | @param[in] String The pointer to the Ascii string.\r | |
2840 | @param[out] Ip6Address The pointer to the converted IPv6 address.\r | |
2841 | @param[out] PrefixLength The pointer to the converted prefix length.\r | |
2842 | \r | |
dd29f3ed | 2843 | @retval EFI_SUCCESS Convert to IPv6 address successfully.\r |
e4ef0031 | 2844 | @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r |
e4ef0031 | 2845 | \r |
2846 | **/\r | |
2847 | EFI_STATUS\r | |
e798cd87 | 2848 | EFIAPI\r |
e4ef0031 | 2849 | NetLibStrToIp6andPrefix (\r |
2850 | IN CONST CHAR16 *String,\r | |
2851 | OUT EFI_IPv6_ADDRESS *Ip6Address,\r | |
2852 | OUT UINT8 *PrefixLength\r | |
dd29f3ed | 2853 | )\r |
e4ef0031 | 2854 | {\r |
9f5ca5ef RN |
2855 | RETURN_STATUS Status;\r |
2856 | CHAR16 *EndPointer;\r | |
e4ef0031 | 2857 | \r |
9f5ca5ef RN |
2858 | Status = StrToIpv6Address (String, &EndPointer, Ip6Address, PrefixLength);\r |
2859 | if (RETURN_ERROR (Status) || (*EndPointer != L'\0')) {\r | |
2860 | return EFI_INVALID_PARAMETER;\r | |
e4ef0031 | 2861 | } else {\r |
9f5ca5ef | 2862 | return EFI_SUCCESS;\r |
e4ef0031 | 2863 | }\r |
e4ef0031 | 2864 | }\r |
2865 | \r | |
216f7970 | 2866 | /**\r |
2867 | \r | |
2868 | Convert one EFI_IPv6_ADDRESS to Null-terminated Unicode string.\r | |
2869 | The text representation of address is defined in RFC 4291.\r | |
2870 | \r | |
2871 | @param[in] Ip6Address The pointer to the IPv6 address.\r | |
2872 | @param[out] String The buffer to return the converted string.\r | |
2873 | @param[in] StringSize The length in bytes of the input String.\r | |
2874 | \r | |
2875 | @retval EFI_SUCCESS Convert to string successfully.\r | |
2876 | @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r | |
2877 | @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result. BufferSize has been \r | |
2878 | updated with the size needed to complete the request.\r | |
2879 | **/\r | |
2880 | EFI_STATUS\r | |
2881 | EFIAPI\r | |
2882 | NetLibIp6ToStr (\r | |
2883 | IN EFI_IPv6_ADDRESS *Ip6Address,\r | |
2884 | OUT CHAR16 *String,\r | |
2885 | IN UINTN StringSize\r | |
2886 | )\r | |
2887 | {\r | |
2888 | UINT16 Ip6Addr[8];\r | |
2889 | UINTN Index;\r | |
2890 | UINTN LongestZerosStart;\r | |
2891 | UINTN LongestZerosLength;\r | |
2892 | UINTN CurrentZerosStart;\r | |
2893 | UINTN CurrentZerosLength;\r | |
2894 | CHAR16 Buffer[sizeof"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];\r | |
2895 | CHAR16 *Ptr;\r | |
2896 | \r | |
2897 | if (Ip6Address == NULL || String == NULL || StringSize == 0) {\r | |
2898 | return EFI_INVALID_PARAMETER;\r | |
2899 | }\r | |
2900 | \r | |
2901 | //\r | |
2902 | // Convert the UINT8 array to an UINT16 array for easy handling.\r | |
2903 | // \r | |
2904 | ZeroMem (Ip6Addr, sizeof (Ip6Addr));\r | |
2905 | for (Index = 0; Index < 16; Index++) {\r | |
2906 | Ip6Addr[Index / 2] |= (Ip6Address->Addr[Index] << ((1 - (Index % 2)) << 3));\r | |
2907 | }\r | |
57b301b5 | 2908 | \r |
216f7970 | 2909 | //\r |
2910 | // Find the longest zeros and mark it.\r | |
2911 | //\r | |
2912 | CurrentZerosStart = DEFAULT_ZERO_START;\r | |
2913 | CurrentZerosLength = 0;\r | |
2914 | LongestZerosStart = DEFAULT_ZERO_START;\r | |
2915 | LongestZerosLength = 0;\r | |
2916 | for (Index = 0; Index < 8; Index++) {\r | |
2917 | if (Ip6Addr[Index] == 0) {\r | |
2918 | if (CurrentZerosStart == DEFAULT_ZERO_START) {\r | |
2919 | CurrentZerosStart = Index;\r | |
2920 | CurrentZerosLength = 1;\r | |
2921 | } else {\r | |
2922 | CurrentZerosLength++;\r | |
2923 | }\r | |
2924 | } else {\r | |
2925 | if (CurrentZerosStart != DEFAULT_ZERO_START) {\r | |
2926 | if (CurrentZerosLength > 2 && (LongestZerosStart == (DEFAULT_ZERO_START) || CurrentZerosLength > LongestZerosLength)) {\r | |
2927 | LongestZerosStart = CurrentZerosStart;\r | |
2928 | LongestZerosLength = CurrentZerosLength;\r | |
2929 | }\r | |
2930 | CurrentZerosStart = DEFAULT_ZERO_START;\r | |
2931 | CurrentZerosLength = 0;\r | |
2932 | }\r | |
2933 | }\r | |
2934 | }\r | |
2935 | \r | |
2936 | if (CurrentZerosStart != DEFAULT_ZERO_START && CurrentZerosLength > 2) {\r | |
2937 | if (LongestZerosStart == DEFAULT_ZERO_START || LongestZerosLength < CurrentZerosLength) {\r | |
2938 | LongestZerosStart = CurrentZerosStart;\r | |
2939 | LongestZerosLength = CurrentZerosLength;\r | |
2940 | }\r | |
2941 | }\r | |
2942 | \r | |
2943 | Ptr = Buffer;\r | |
2944 | for (Index = 0; Index < 8; Index++) {\r | |
2945 | if (LongestZerosStart != DEFAULT_ZERO_START && Index >= LongestZerosStart && Index < LongestZerosStart + LongestZerosLength) {\r | |
2946 | if (Index == LongestZerosStart) {\r | |
2947 | *Ptr++ = L':';\r | |
2948 | }\r | |
2949 | continue;\r | |
2950 | }\r | |
2951 | if (Index != 0) {\r | |
2952 | *Ptr++ = L':';\r | |
2953 | }\r | |
2954 | Ptr += UnicodeSPrint(Ptr, 10, L"%x", Ip6Addr[Index]);\r | |
2955 | }\r | |
2956 | \r | |
2957 | if (LongestZerosStart != DEFAULT_ZERO_START && LongestZerosStart + LongestZerosLength == 8) {\r | |
2958 | *Ptr++ = L':';\r | |
2959 | }\r | |
2960 | *Ptr = L'\0';\r | |
2961 | \r | |
2962 | if ((UINTN)Ptr - (UINTN)Buffer > StringSize) {\r | |
2963 | return EFI_BUFFER_TOO_SMALL;\r | |
2964 | }\r | |
2965 | \r | |
206b5f51 | 2966 | StrCpyS (String, StringSize / sizeof (CHAR16), Buffer);\r |
216f7970 | 2967 | \r |
2968 | return EFI_SUCCESS;\r | |
2969 | }\r | |
57b301b5 | 2970 | \r |
2971 | /**\r | |
2972 | This function obtains the system guid from the smbios table.\r | |
2973 | \r | |
2974 | @param[out] SystemGuid The pointer of the returned system guid.\r | |
2975 | \r | |
2976 | @retval EFI_SUCCESS Successfully obtained the system guid.\r | |
2977 | @retval EFI_NOT_FOUND Did not find the SMBIOS table.\r | |
2978 | \r | |
2979 | **/\r | |
2980 | EFI_STATUS\r | |
2981 | EFIAPI\r | |
2982 | NetLibGetSystemGuid (\r | |
2983 | OUT EFI_GUID *SystemGuid\r | |
2984 | )\r | |
2985 | {\r | |
33ecfa8a SEHM |
2986 | EFI_STATUS Status;\r |
2987 | SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;\r | |
2988 | SMBIOS_TABLE_3_0_ENTRY_POINT *Smbios30Table;\r | |
2989 | SMBIOS_STRUCTURE_POINTER Smbios;\r | |
2990 | SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r | |
2991 | CHAR8 *String;\r | |
57b301b5 | 2992 | \r |
2993 | SmbiosTable = NULL;\r | |
33ecfa8a SEHM |
2994 | Status = EfiGetSystemConfigurationTable (&gEfiSmbios3TableGuid, (VOID **) &Smbios30Table);\r |
2995 | if (!(EFI_ERROR (Status) || Smbios30Table == NULL)) {\r | |
2996 | Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) Smbios30Table->TableAddress;\r | |
2997 | SmbiosEnd.Raw = (UINT8 *) (UINTN) (Smbios30Table->TableAddress + Smbios30Table->TableMaximumSize);\r | |
2998 | } else {\r | |
2999 | Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r | |
3000 | if (EFI_ERROR (Status) || SmbiosTable == NULL) {\r | |
3001 | return EFI_NOT_FOUND;\r | |
3002 | }\r | |
3003 | Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) SmbiosTable->TableAddress;\r | |
16f69227 | 3004 | SmbiosEnd.Raw = (UINT8 *) ((UINTN) SmbiosTable->TableAddress + SmbiosTable->TableLength);\r |
57b301b5 | 3005 | }\r |
3006 | \r | |
57b301b5 | 3007 | do {\r |
3008 | if (Smbios.Hdr->Type == 1) {\r | |
3009 | if (Smbios.Hdr->Length < 0x19) {\r | |
3010 | //\r | |
3011 | // Older version did not support UUID.\r | |
3012 | //\r | |
3013 | return EFI_NOT_FOUND;\r | |
3014 | }\r | |
3015 | \r | |
3016 | //\r | |
3017 | // SMBIOS tables are byte packed so we need to do a byte copy to\r | |
3018 | // prevend alignment faults on Itanium-based platform.\r | |
3019 | //\r | |
3020 | CopyMem (SystemGuid, &Smbios.Type1->Uuid, sizeof (EFI_GUID));\r | |
3021 | return EFI_SUCCESS;\r | |
3022 | }\r | |
3023 | \r | |
3024 | //\r | |
3025 | // Go to the next SMBIOS structure. Each SMBIOS structure may include 2 parts:\r | |
3026 | // 1. Formatted section; 2. Unformatted string section. So, 2 steps are needed\r | |
3027 | // to skip one SMBIOS structure.\r | |
3028 | //\r | |
3029 | \r | |
3030 | //\r | |
3031 | // Step 1: Skip over formatted section.\r | |
3032 | //\r | |
3033 | String = (CHAR8 *) (Smbios.Raw + Smbios.Hdr->Length);\r | |
3034 | \r | |
3035 | //\r | |
3036 | // Step 2: Skip over unformated string section.\r | |
3037 | //\r | |
3038 | do {\r | |
3039 | //\r | |
3040 | // Each string is terminated with a NULL(00h) BYTE and the sets of strings\r | |
3041 | // is terminated with an additional NULL(00h) BYTE.\r | |
3042 | //\r | |
3043 | for ( ; *String != 0; String++) {\r | |
3044 | }\r | |
3045 | \r | |
3046 | if (*(UINT8*)++String == 0) {\r | |
3047 | //\r | |
3048 | // Pointer to the next SMBIOS structure.\r | |
3049 | //\r | |
3050 | Smbios.Raw = (UINT8 *)++String;\r | |
3051 | break;\r | |
3052 | } \r | |
3053 | } while (TRUE);\r | |
3054 | } while (Smbios.Raw < SmbiosEnd.Raw);\r | |
3055 | return EFI_NOT_FOUND;\r | |
3056 | }\r | |
dba6e9a9 JW |
3057 | \r |
3058 | /**\r | |
3059 | Create Dns QName according the queried domain name. \r | |
3060 | QName is a domain name represented as a sequence of labels, \r | |
3061 | where each label consists of a length octet followed by that \r | |
3062 | number of octets. The QName terminates with the zero \r | |
3063 | length octet for the null label of the root. Caller should \r | |
3064 | take responsibility to free the buffer in returned pointer.\r | |
3065 | \r | |
3066 | @param DomainName The pointer to the queried domain name string. \r | |
3067 | \r | |
3068 | @retval NULL Failed to fill QName.\r | |
3069 | @return QName filled successfully.\r | |
3070 | \r | |
3071 | **/ \r | |
3072 | CHAR8 *\r | |
3073 | EFIAPI\r | |
3074 | NetLibCreateDnsQName (\r | |
3075 | IN CHAR16 *DomainName\r | |
3076 | )\r | |
3077 | {\r | |
3078 | CHAR8 *QueryName;\r | |
3079 | UINTN QueryNameSize;\r | |
3080 | CHAR8 *Header;\r | |
3081 | CHAR8 *Tail;\r | |
3082 | UINTN Len;\r | |
3083 | UINTN Index;\r | |
3084 | \r | |
3085 | QueryName = NULL;\r | |
3086 | QueryNameSize = 0;\r | |
3087 | Header = NULL;\r | |
3088 | Tail = NULL;\r | |
3089 | \r | |
3090 | //\r | |
3091 | // One byte for first label length, one byte for terminated length zero. \r | |
3092 | //\r | |
3093 | QueryNameSize = StrLen (DomainName) + 2;\r | |
3094 | \r | |
3095 | if (QueryNameSize > DNS_MAX_NAME_SIZE) {\r | |
3096 | return NULL;\r | |
3097 | }\r | |
3098 | \r | |
3099 | QueryName = AllocateZeroPool (QueryNameSize);\r | |
3100 | if (QueryName == NULL) {\r | |
3101 | return NULL;\r | |
3102 | }\r | |
3103 | \r | |
3104 | Header = QueryName;\r | |
3105 | Tail = Header + 1;\r | |
3106 | Len = 0;\r | |
3107 | for (Index = 0; DomainName[Index] != 0; Index++) {\r | |
3108 | *Tail = (CHAR8) DomainName[Index];\r | |
3109 | if (*Tail == '.') {\r | |
3110 | *Header = (CHAR8) Len;\r | |
3111 | Header = Tail;\r | |
3112 | Tail ++;\r | |
3113 | Len = 0;\r | |
3114 | } else {\r | |
3115 | Tail++;\r | |
3116 | Len++;\r | |
3117 | }\r | |
3118 | }\r | |
3119 | *Header = (CHAR8) Len;\r | |
3120 | *Tail = 0;\r | |
3121 | \r | |
3122 | return QueryName;\r | |
3b28e744 | 3123 | }\r |