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b659408b ZL |
1 | /** @file\r |
2 | Functions implementation related with DHCPv6 for HTTP boot driver.\r | |
3 | \r | |
95b5c32f | 4 | Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>\r |
b659408b ZL |
5 | This program and the accompanying materials are licensed and made available under \r |
6 | the terms and conditions of the BSD License that accompanies this distribution. \r | |
7 | The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php. \r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "HttpBootDxe.h"\r | |
16 | \r | |
17 | /**\r | |
18 | Build the options buffer for the DHCPv6 request packet.\r | |
19 | \r | |
20 | @param[in] Private The pointer to HTTP BOOT driver private data.\r | |
21 | @param[out] OptList The pointer to the option pointer array.\r | |
22 | @param[in] Buffer The pointer to the buffer to contain the option list.\r | |
23 | \r | |
24 | @return Index The count of the built-in options.\r | |
25 | \r | |
26 | **/\r | |
27 | UINT32\r | |
28 | HttpBootBuildDhcp6Options (\r | |
29 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
30 | OUT EFI_DHCP6_PACKET_OPTION **OptList,\r | |
31 | IN UINT8 *Buffer\r | |
32 | )\r | |
33 | {\r | |
34 | HTTP_BOOT_DHCP6_OPTION_ENTRY OptEnt;\r | |
35 | UINT16 Value;\r | |
36 | UINT32 Index;\r | |
37 | \r | |
38 | Index = 0;\r | |
39 | OptList[0] = (EFI_DHCP6_PACKET_OPTION *) Buffer;\r | |
40 | \r | |
41 | //\r | |
42 | // Append client option request option\r | |
43 | //\r | |
142c00c3 | 44 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_ORO);\r |
b659408b ZL |
45 | OptList[Index]->OpLen = HTONS (8);\r |
46 | OptEnt.Oro = (HTTP_BOOT_DHCP6_OPTION_ORO *) OptList[Index]->Data;\r | |
142c00c3 ZL |
47 | OptEnt.Oro->OpCode[0] = HTONS(DHCP6_OPT_BOOT_FILE_URL);\r |
48 | OptEnt.Oro->OpCode[1] = HTONS(DHCP6_OPT_BOOT_FILE_PARAM);\r | |
49 | OptEnt.Oro->OpCode[2] = HTONS(DHCP6_OPT_DNS_SERVERS);\r | |
50 | OptEnt.Oro->OpCode[3] = HTONS(DHCP6_OPT_VENDOR_CLASS);\r | |
b659408b ZL |
51 | Index++;\r |
52 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r | |
53 | \r | |
54 | //\r | |
55 | // Append client network device interface option\r | |
56 | //\r | |
142c00c3 | 57 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_UNDI);\r |
b659408b ZL |
58 | OptList[Index]->OpLen = HTONS ((UINT16)3);\r |
59 | OptEnt.Undi = (HTTP_BOOT_DHCP6_OPTION_UNDI *) OptList[Index]->Data;\r | |
60 | \r | |
61 | if (Private->Nii != NULL) {\r | |
62 | OptEnt.Undi->Type = Private->Nii->Type;\r | |
63 | OptEnt.Undi->MajorVer = Private->Nii->MajorVer;\r | |
64 | OptEnt.Undi->MinorVer = Private->Nii->MinorVer;\r | |
65 | } else {\r | |
66 | OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;\r | |
67 | OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;\r | |
68 | OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;\r | |
69 | }\r | |
70 | \r | |
71 | Index++;\r | |
72 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r | |
73 | \r | |
74 | //\r | |
75 | // Append client system architecture option\r | |
76 | //\r | |
142c00c3 | 77 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_ARCH);\r |
b659408b ZL |
78 | OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_ARCH));\r |
79 | OptEnt.Arch = (HTTP_BOOT_DHCP6_OPTION_ARCH *) OptList[Index]->Data;\r | |
80 | Value = HTONS (EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE);\r | |
81 | CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));\r | |
82 | Index++;\r | |
83 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r | |
84 | \r | |
85 | //\r | |
86 | // Append vendor class identify option.\r | |
87 | //\r | |
142c00c3 | 88 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_VENDOR_CLASS);\r |
b659408b ZL |
89 | OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS));\r |
90 | OptEnt.VendorClass = (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS *) OptList[Index]->Data;\r | |
91 | OptEnt.VendorClass->Vendor = HTONL (HTTP_BOOT_DHCP6_ENTERPRISE_NUM);\r | |
92 | OptEnt.VendorClass->ClassLen = HTONS ((UINT16) sizeof (HTTP_BOOT_CLASS_ID));\r | |
93 | CopyMem (\r | |
94 | &OptEnt.VendorClass->ClassId,\r | |
95 | DEFAULT_CLASS_ID_DATA,\r | |
96 | sizeof (HTTP_BOOT_CLASS_ID)\r | |
97 | );\r | |
98 | HttpBootUintnToAscDecWithFormat (\r | |
99 | EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE,\r | |
100 | OptEnt.VendorClass->ClassId.ArchitectureType,\r | |
101 | sizeof (OptEnt.VendorClass->ClassId.ArchitectureType)\r | |
102 | );\r | |
103 | \r | |
104 | if (Private->Nii != NULL) {\r | |
105 | CopyMem (\r | |
106 | OptEnt.VendorClass->ClassId.InterfaceName,\r | |
107 | Private->Nii->StringId,\r | |
108 | sizeof (OptEnt.VendorClass->ClassId.InterfaceName)\r | |
109 | );\r | |
110 | HttpBootUintnToAscDecWithFormat (\r | |
111 | Private->Nii->MajorVer,\r | |
112 | OptEnt.VendorClass->ClassId.UndiMajor,\r | |
113 | sizeof (OptEnt.VendorClass->ClassId.UndiMajor)\r | |
114 | );\r | |
115 | HttpBootUintnToAscDecWithFormat (\r | |
116 | Private->Nii->MinorVer,\r | |
117 | OptEnt.VendorClass->ClassId.UndiMinor,\r | |
118 | sizeof (OptEnt.VendorClass->ClassId.UndiMinor)\r | |
119 | );\r | |
120 | }\r | |
121 | \r | |
122 | Index++;\r | |
123 | \r | |
124 | return Index;\r | |
125 | }\r | |
126 | \r | |
127 | /**\r | |
128 | Parse out a DHCPv6 option by OptTag, and find the position in buffer.\r | |
129 | \r | |
130 | @param[in] Buffer The pointer to the option buffer.\r | |
131 | @param[in] Length Length of the option buffer.\r | |
132 | @param[in] OptTag The required option tag.\r | |
133 | \r | |
134 | @retval NULL Failed to parse the required option.\r | |
135 | @retval Others The postion of the required option in buffer.\r | |
136 | \r | |
137 | **/\r | |
138 | EFI_DHCP6_PACKET_OPTION *\r | |
139 | HttpBootParseDhcp6Options (\r | |
140 | IN UINT8 *Buffer,\r | |
141 | IN UINT32 Length,\r | |
142 | IN UINT16 OptTag\r | |
143 | )\r | |
144 | {\r | |
145 | EFI_DHCP6_PACKET_OPTION *Option;\r | |
146 | UINT32 Offset;\r | |
147 | \r | |
148 | Option = (EFI_DHCP6_PACKET_OPTION *) Buffer;\r | |
149 | Offset = 0;\r | |
150 | \r | |
151 | //\r | |
152 | // OpLen and OpCode here are both stored in network order.\r | |
153 | //\r | |
154 | while (Offset < Length) {\r | |
155 | \r | |
156 | if (NTOHS (Option->OpCode) == OptTag) {\r | |
157 | \r | |
158 | return Option;\r | |
159 | }\r | |
160 | \r | |
161 | Offset += (NTOHS(Option->OpLen) + 4);\r | |
162 | Option = (EFI_DHCP6_PACKET_OPTION *) (Buffer + Offset);\r | |
163 | }\r | |
164 | \r | |
165 | return NULL;\r | |
166 | \r | |
167 | }\r | |
168 | \r | |
169 | /**\r | |
170 | Parse the cached DHCPv6 packet, including all the options.\r | |
171 | \r | |
172 | @param[in] Cache6 The pointer to a cached DHCPv6 packet.\r | |
173 | \r | |
174 | @retval EFI_SUCCESS Parsed the DHCPv6 packet successfully.\r | |
175 | @retval EFI_DEVICE_ERROR Failed to parse and invalid the packet.\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | HttpBootParseDhcp6Packet (\r | |
180 | IN HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6\r | |
181 | )\r | |
182 | {\r | |
183 | EFI_DHCP6_PACKET *Offer;\r | |
184 | EFI_DHCP6_PACKET_OPTION **Options;\r | |
185 | EFI_DHCP6_PACKET_OPTION *Option;\r | |
186 | HTTP_BOOT_OFFER_TYPE OfferType;\r | |
187 | EFI_IPv6_ADDRESS IpAddr;\r | |
188 | BOOLEAN IsProxyOffer;\r | |
189 | BOOLEAN IsHttpOffer;\r | |
190 | BOOLEAN IsDnsOffer;\r | |
191 | BOOLEAN IpExpressedUri;\r | |
192 | EFI_STATUS Status;\r | |
193 | UINT32 Offset;\r | |
194 | UINT32 Length;\r | |
195 | \r | |
196 | IsDnsOffer = FALSE;\r | |
197 | IpExpressedUri = FALSE;\r | |
198 | IsProxyOffer = TRUE;\r | |
199 | IsHttpOffer = FALSE;\r | |
200 | Offer = &Cache6->Packet.Offer;\r | |
201 | Options = Cache6->OptList;\r | |
202 | \r | |
203 | ZeroMem (Cache6->OptList, sizeof (Cache6->OptList));\r | |
204 | \r | |
205 | Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option);\r | |
206 | Offset = 0;\r | |
207 | Length = GET_DHCP6_OPTION_SIZE (Offer);\r | |
208 | \r | |
209 | //\r | |
210 | // OpLen and OpCode here are both stored in network order, since they are from original packet.\r | |
211 | //\r | |
212 | while (Offset < Length) {\r | |
213 | \r | |
142c00c3 | 214 | if (NTOHS (Option->OpCode) == DHCP6_OPT_IA_NA) {\r |
b659408b | 215 | Options[HTTP_BOOT_DHCP6_IDX_IA_NA] = Option;\r |
142c00c3 | 216 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_URL) {\r |
b659408b ZL |
217 | //\r |
218 | // The server sends this option to inform the client about an URL to a boot file.\r | |
219 | //\r | |
220 | Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] = Option;\r | |
142c00c3 | 221 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_PARAM) {\r |
b659408b | 222 | Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_PARAM] = Option;\r |
142c00c3 | 223 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_VENDOR_CLASS) {\r |
b659408b | 224 | Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS] = Option;\r |
142c00c3 | 225 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_DNS_SERVERS) {\r |
b659408b ZL |
226 | Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER] = Option;\r |
227 | }\r | |
228 | \r | |
229 | Offset += (NTOHS (Option->OpLen) + 4);\r | |
230 | Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option + Offset);\r | |
231 | }\r | |
232 | //\r | |
233 | // The offer with assigned client address is NOT a proxy offer.\r | |
234 | // An ia_na option, embeded with valid ia_addr option and a status_code of success.\r | |
235 | //\r | |
236 | Option = Options[HTTP_BOOT_DHCP6_IDX_IA_NA];\r | |
237 | if (Option != NULL) {\r | |
238 | Option = HttpBootParseDhcp6Options (\r | |
239 | Option->Data + 12,\r | |
240 | NTOHS (Option->OpLen),\r | |
142c00c3 | 241 | DHCP6_OPT_STATUS_CODE\r |
b659408b ZL |
242 | );\r |
243 | if ((Option != NULL && Option->Data[0] == 0) || (Option == NULL)) {\r | |
244 | IsProxyOffer = FALSE;\r | |
245 | }\r | |
246 | }\r | |
247 | \r | |
248 | //\r | |
249 | // The offer with "HTTPClient" is a Http offer.\r | |
250 | //\r | |
251 | Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS];\r | |
252 | \r | |
253 | if (Option != NULL &&\r | |
3decba3d ZL |
254 | NTOHS(Option->OpLen) >= 16 &&\r |
255 | CompareMem ((Option->Data + 6), DEFAULT_CLASS_ID_DATA, 10) == 0) {\r | |
b659408b ZL |
256 | IsHttpOffer = TRUE;\r |
257 | }\r | |
258 | \r | |
259 | //\r | |
260 | // The offer with Domain Server is a DNS offer.\r | |
261 | //\r | |
262 | Option = Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER];\r | |
263 | if (Option != NULL) {\r | |
264 | IsDnsOffer = TRUE;\r | |
265 | }\r | |
266 | \r | |
267 | //\r | |
268 | // Http offer must have a boot URI.\r | |
269 | //\r | |
270 | if (IsHttpOffer && Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] == NULL) {\r | |
271 | return EFI_DEVICE_ERROR;\r | |
272 | }\r | |
273 | \r | |
274 | //\r | |
275 | // Try to retrieve the IP of HTTP server from URI. \r | |
276 | //\r | |
277 | if (IsHttpOffer) {\r | |
278 | Status = HttpParseUrl (\r | |
279 | (CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,\r | |
280 | (UINT32) AsciiStrLen ((CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data),\r | |
281 | FALSE,\r | |
282 | &Cache6->UriParser\r | |
283 | );\r | |
284 | if (EFI_ERROR (Status)) {\r | |
285 | return EFI_DEVICE_ERROR;\r | |
286 | }\r | |
287 | \r | |
288 | Status = HttpUrlGetIp6 (\r | |
289 | (CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,\r | |
290 | Cache6->UriParser,\r | |
291 | &IpAddr\r | |
292 | );\r | |
293 | IpExpressedUri = !EFI_ERROR (Status);\r | |
294 | }\r | |
295 | \r | |
296 | //\r | |
297 | // Determine offer type of the DHCPv6 packet.\r | |
298 | //\r | |
299 | if (IsHttpOffer) {\r | |
300 | if (IpExpressedUri) {\r | |
fa848a40 FS |
301 | if (IsProxyOffer) {\r |
302 | OfferType = HttpOfferTypeProxyIpUri;\r | |
303 | } else {\r | |
304 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpIpUriDns : HttpOfferTypeDhcpIpUri;\r | |
305 | }\r | |
b659408b ZL |
306 | } else {\r |
307 | if (!IsProxyOffer) {\r | |
308 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpNameUriDns : HttpOfferTypeDhcpNameUri;\r | |
309 | } else {\r | |
310 | OfferType = HttpOfferTypeProxyNameUri;\r | |
311 | }\r | |
312 | }\r | |
313 | \r | |
314 | } else {\r | |
315 | if (!IsProxyOffer) {\r | |
316 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpDns : HttpOfferTypeDhcpOnly;\r | |
317 | } else {\r | |
318 | return EFI_DEVICE_ERROR;\r | |
319 | }\r | |
320 | }\r | |
321 | \r | |
322 | Cache6->OfferType = OfferType;\r | |
323 | return EFI_SUCCESS;\r | |
324 | }\r | |
325 | \r | |
326 | /**\r | |
327 | Cache the DHCPv6 packet.\r | |
328 | \r | |
329 | @param[in] Dst The pointer to the cache buffer for DHCPv6 packet.\r | |
330 | @param[in] Src The pointer to the DHCPv6 packet to be cached.\r | |
331 | \r | |
a35dc649 FS |
332 | @retval EFI_SUCCESS Packet is copied.\r |
333 | @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.\r | |
334 | \r | |
b659408b | 335 | **/\r |
a35dc649 | 336 | EFI_STATUS\r |
b659408b ZL |
337 | HttpBootCacheDhcp6Packet (\r |
338 | IN EFI_DHCP6_PACKET *Dst,\r | |
339 | IN EFI_DHCP6_PACKET *Src\r | |
340 | )\r | |
341 | {\r | |
a35dc649 FS |
342 | if (Dst->Size < Src->Length) {\r |
343 | return EFI_BUFFER_TOO_SMALL;\r | |
344 | }\r | |
b659408b ZL |
345 | \r |
346 | CopyMem (&Dst->Dhcp6, &Src->Dhcp6, Src->Length);\r | |
347 | Dst->Length = Src->Length;\r | |
a35dc649 FS |
348 | \r |
349 | return EFI_SUCCESS;\r | |
b659408b ZL |
350 | }\r |
351 | \r | |
352 | /**\r | |
353 | Cache all the received DHCPv6 offers, and set OfferIndex and OfferCount.\r | |
354 | \r | |
355 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
356 | @param[in] RcvdOffer The pointer to the received offer packet.\r | |
357 | \r | |
a35dc649 FS |
358 | @retval EFI_SUCCESS Cache and parse the packet successfully.\r |
359 | @retval Others Operation failed.\r | |
360 | \r | |
b659408b | 361 | **/\r |
a35dc649 | 362 | EFI_STATUS\r |
b659408b ZL |
363 | HttpBootCacheDhcp6Offer (\r |
364 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
365 | IN EFI_DHCP6_PACKET *RcvdOffer\r | |
366 | )\r | |
367 | {\r | |
368 | HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6;\r | |
369 | EFI_DHCP6_PACKET *Offer;\r | |
370 | HTTP_BOOT_OFFER_TYPE OfferType;\r | |
a35dc649 | 371 | EFI_STATUS Status;\r |
b659408b ZL |
372 | \r |
373 | Cache6 = &Private->OfferBuffer[Private->OfferNum].Dhcp6;\r | |
374 | Offer = &Cache6->Packet.Offer;\r | |
375 | \r | |
376 | //\r | |
377 | // Cache the content of DHCPv6 packet firstly.\r | |
378 | //\r | |
a35dc649 FS |
379 | Status = HttpBootCacheDhcp6Packet(Offer, RcvdOffer);\r |
380 | if (EFI_ERROR (Status)) {\r | |
381 | return Status;\r | |
382 | }\r | |
b659408b ZL |
383 | \r |
384 | //\r | |
385 | // Validate the DHCPv6 packet, and parse the options and offer type.\r | |
386 | //\r | |
387 | if (EFI_ERROR (HttpBootParseDhcp6Packet (Cache6))) {\r | |
a35dc649 | 388 | return EFI_ABORTED;\r |
b659408b ZL |
389 | }\r |
390 | \r | |
391 | //\r | |
392 | // Determine whether cache the current offer by type, and record OfferIndex and OfferCount.\r | |
393 | //\r | |
394 | OfferType = Cache6->OfferType;\r | |
395 | ASSERT (OfferType < HttpOfferTypeMax);\r | |
396 | ASSERT (Private->OfferCount[OfferType] < HTTP_BOOT_OFFER_MAX_NUM);\r | |
397 | Private->OfferIndex[OfferType][Private->OfferCount[OfferType]] = Private->OfferNum;\r | |
398 | Private->OfferCount[OfferType]++;\r | |
a35dc649 FS |
399 | Private->OfferNum++;\r |
400 | \r | |
401 | return EFI_SUCCESS;\r | |
b659408b ZL |
402 | }\r |
403 | \r | |
404 | /**\r | |
405 | EFI_DHCP6_CALLBACK is provided by the consumer of the EFI DHCPv6 Protocol driver\r | |
406 | to intercept events that occurred in the configuration process.\r | |
407 | \r | |
408 | @param[in] This The pointer to the EFI DHCPv6 Protocol.\r | |
409 | @param[in] Context The pointer to the context set by EFI_DHCP6_PROTOCOL.Configure().\r | |
410 | @param[in] CurrentState The current operational state of the EFI DHCPv Protocol driver.\r | |
411 | @param[in] Dhcp6Event The event that occurs in the current state, which usually means a\r | |
412 | state transition.\r | |
413 | @param[in] Packet The DHCPv6 packet that is going to be sent or was already received.\r | |
414 | @param[out] NewPacket The packet that is used to replace the Packet above.\r | |
415 | \r | |
416 | @retval EFI_SUCCESS Told the EFI DHCPv6 Protocol driver to continue the DHCP process.\r | |
417 | @retval EFI_NOT_READY Only used in the Dhcp6Selecting state. The EFI DHCPv6 Protocol\r | |
418 | driver will continue to wait for more packets.\r | |
419 | @retval EFI_ABORTED Told the EFI DHCPv6 Protocol driver to abort the current process.\r | |
7c275b3c | 420 | @retval EFI_OUT_OF_RESOURCES There are not enough resources.\r |
b659408b ZL |
421 | \r |
422 | **/\r | |
423 | EFI_STATUS\r | |
424 | EFIAPI\r | |
425 | HttpBootDhcp6CallBack (\r | |
426 | IN EFI_DHCP6_PROTOCOL *This,\r | |
427 | IN VOID *Context,\r | |
428 | IN EFI_DHCP6_STATE CurrentState,\r | |
429 | IN EFI_DHCP6_EVENT Dhcp6Event,\r | |
430 | IN EFI_DHCP6_PACKET *Packet,\r | |
431 | OUT EFI_DHCP6_PACKET **NewPacket OPTIONAL\r | |
432 | )\r | |
433 | {\r | |
95b5c32f FS |
434 | HTTP_BOOT_PRIVATE_DATA *Private;\r |
435 | EFI_DHCP6_PACKET *SelectAd;\r | |
436 | EFI_STATUS Status;\r | |
437 | BOOLEAN Received;\r | |
438 | \r | |
439 | if ((Dhcp6Event != Dhcp6SendSolicit) &&\r | |
440 | (Dhcp6Event != Dhcp6RcvdAdvertise) &&\r | |
441 | (Dhcp6Event != Dhcp6SendRequest) &&\r | |
442 | (Dhcp6Event != Dhcp6RcvdReply) &&\r | |
443 | (Dhcp6Event != Dhcp6SelectAdvertise)) {\r | |
444 | return EFI_SUCCESS;\r | |
445 | }\r | |
b659408b | 446 | \r |
95b5c32f FS |
447 | ASSERT (Packet != NULL);\r |
448 | \r | |
449 | Private = (HTTP_BOOT_PRIVATE_DATA *) Context;\r | |
450 | Status = EFI_SUCCESS;\r | |
451 | if (Private->HttpBootCallback != NULL && Dhcp6Event != Dhcp6SelectAdvertise) {\r | |
452 | Received = (BOOLEAN) (Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);\r | |
453 | Status = Private->HttpBootCallback->Callback (\r | |
454 | Private->HttpBootCallback, \r | |
455 | HttpBootDhcp6,\r | |
456 | Received,\r | |
457 | Packet->Length,\r | |
458 | &Packet->Dhcp6\r | |
459 | );\r | |
460 | if (EFI_ERROR (Status)) {\r | |
461 | return EFI_ABORTED;\r | |
462 | }\r | |
463 | }\r | |
464 | switch (Dhcp6Event) {\r | |
b659408b | 465 | \r |
95b5c32f FS |
466 | case Dhcp6RcvdAdvertise:\r |
467 | Status = EFI_NOT_READY;\r | |
632dcfd6 FS |
468 | if (Packet->Length > HTTP_BOOT_DHCP6_PACKET_MAX_SIZE) {\r |
469 | //\r | |
470 | // Ignore the incoming packets which exceed the maximum length.\r | |
471 | //\r | |
472 | break;\r | |
473 | }\r | |
95b5c32f FS |
474 | if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {\r |
475 | //\r | |
476 | // Cache the dhcp offers to OfferBuffer[] for select later, and record\r | |
477 | // the OfferIndex and OfferCount.\r | |
478 | // If error happens, just ignore this packet and continue to wait more offer.\r | |
479 | //\r | |
480 | HttpBootCacheDhcp6Offer (Private, Packet);\r | |
481 | }\r | |
482 | break;\r | |
483 | \r | |
484 | case Dhcp6SelectAdvertise:\r | |
485 | //\r | |
486 | // Select offer by the default policy or by order, and record the SelectIndex\r | |
487 | // and SelectProxyType.\r | |
488 | //\r | |
489 | HttpBootSelectDhcpOffer (Private);\r | |
490 | \r | |
491 | if (Private->SelectIndex == 0) {\r | |
492 | Status = EFI_ABORTED;\r | |
493 | } else {\r | |
494 | ASSERT (NewPacket != NULL);\r | |
495 | SelectAd = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp6.Packet.Offer;\r | |
496 | *NewPacket = AllocateZeroPool (SelectAd->Size);\r | |
497 | if (*NewPacket == NULL) {\r | |
498 | return EFI_OUT_OF_RESOURCES;\r | |
499 | }\r | |
500 | CopyMem (*NewPacket, SelectAd, SelectAd->Size);\r | |
501 | }\r | |
502 | break;\r | |
b659408b | 503 | \r |
95b5c32f FS |
504 | default:\r |
505 | break;\r | |
b659408b ZL |
506 | }\r |
507 | \r | |
508 | return Status; \r | |
509 | }\r | |
510 | \r | |
511 | /**\r | |
512 | Check whether IP driver could route the message which will be sent to ServerIp address.\r | |
513 | \r | |
514 | This function will check the IP6 route table every 1 seconds until specified timeout is expired, if a valid\r | |
515 | route is found in IP6 route table, the address will be filed in GatewayAddr and return.\r | |
516 | \r | |
517 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
518 | @param[in] TimeOutInSecond Timeout value in seconds.\r | |
519 | @param[out] GatewayAddr Pointer to store the gateway IP address.\r | |
520 | \r | |
521 | @retval EFI_SUCCESS Found a valid gateway address successfully.\r | |
522 | @retval EFI_TIMEOUT The operation is time out.\r | |
523 | @retval Other Unexpect error happened.\r | |
524 | \r | |
525 | **/\r | |
526 | EFI_STATUS\r | |
527 | HttpBootCheckRouteTable (\r | |
528 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
529 | IN UINTN TimeOutInSecond,\r | |
530 | OUT EFI_IPv6_ADDRESS *GatewayAddr\r | |
531 | )\r | |
532 | {\r | |
533 | EFI_STATUS Status;\r | |
534 | EFI_IP6_PROTOCOL *Ip6;\r | |
535 | EFI_IP6_MODE_DATA Ip6ModeData;\r | |
536 | UINTN Index;\r | |
537 | EFI_EVENT TimeOutEvt;\r | |
538 | UINTN RetryCount;\r | |
539 | BOOLEAN GatewayIsFound;\r | |
540 | \r | |
541 | ASSERT (GatewayAddr != NULL);\r | |
542 | ASSERT (Private != NULL);\r | |
543 | \r | |
544 | Ip6 = Private->Ip6;\r | |
545 | GatewayIsFound = FALSE;\r | |
546 | RetryCount = 0;\r | |
547 | TimeOutEvt = NULL;\r | |
548 | Status = EFI_SUCCESS;\r | |
549 | ZeroMem (GatewayAddr, sizeof (EFI_IPv6_ADDRESS));\r | |
550 | \r | |
551 | while (TRUE) {\r | |
552 | Status = Ip6->GetModeData (Ip6, &Ip6ModeData, NULL, NULL);\r | |
553 | if (EFI_ERROR (Status)) {\r | |
554 | goto ON_EXIT;\r | |
555 | }\r | |
556 | \r | |
557 | //\r | |
558 | // Find out the gateway address which can route the message which send to ServerIp.\r | |
559 | //\r | |
560 | for (Index = 0; Index < Ip6ModeData.RouteCount; Index++) {\r | |
561 | if (NetIp6IsNetEqual (&Private->ServerIp.v6, &Ip6ModeData.RouteTable[Index].Destination, Ip6ModeData.RouteTable[Index].PrefixLength)) {\r | |
562 | IP6_COPY_ADDRESS (GatewayAddr, &Ip6ModeData.RouteTable[Index].Gateway);\r | |
563 | GatewayIsFound = TRUE;\r | |
564 | break;\r | |
565 | }\r | |
566 | }\r | |
567 | \r | |
568 | if (Ip6ModeData.AddressList != NULL) {\r | |
569 | FreePool (Ip6ModeData.AddressList);\r | |
570 | }\r | |
571 | if (Ip6ModeData.GroupTable != NULL) {\r | |
572 | FreePool (Ip6ModeData.GroupTable);\r | |
573 | }\r | |
574 | if (Ip6ModeData.RouteTable != NULL) {\r | |
575 | FreePool (Ip6ModeData.RouteTable);\r | |
576 | }\r | |
577 | if (Ip6ModeData.NeighborCache != NULL) {\r | |
578 | FreePool (Ip6ModeData.NeighborCache);\r | |
579 | }\r | |
580 | if (Ip6ModeData.PrefixTable != NULL) {\r | |
581 | FreePool (Ip6ModeData.PrefixTable);\r | |
582 | }\r | |
583 | if (Ip6ModeData.IcmpTypeList != NULL) {\r | |
584 | FreePool (Ip6ModeData.IcmpTypeList);\r | |
585 | }\r | |
586 | \r | |
587 | if (GatewayIsFound || RetryCount == TimeOutInSecond) {\r | |
588 | break;\r | |
589 | }\r | |
590 | \r | |
591 | RetryCount++;\r | |
592 | \r | |
593 | //\r | |
594 | // Delay 1 second then recheck it again.\r | |
595 | //\r | |
596 | if (TimeOutEvt == NULL) {\r | |
597 | Status = gBS->CreateEvent (\r | |
598 | EVT_TIMER,\r | |
599 | TPL_CALLBACK,\r | |
600 | NULL,\r | |
601 | NULL,\r | |
602 | &TimeOutEvt\r | |
603 | );\r | |
604 | if (EFI_ERROR (Status)) {\r | |
605 | goto ON_EXIT;\r | |
606 | }\r | |
607 | }\r | |
608 | \r | |
609 | Status = gBS->SetTimer (TimeOutEvt, TimerRelative, TICKS_PER_SECOND);\r | |
610 | if (EFI_ERROR (Status)) {\r | |
611 | goto ON_EXIT;\r | |
612 | }\r | |
613 | while (EFI_ERROR (gBS->CheckEvent (TimeOutEvt))) {\r | |
614 | Ip6->Poll (Ip6);\r | |
615 | }\r | |
616 | }\r | |
617 | \r | |
618 | ON_EXIT:\r | |
619 | if (TimeOutEvt != NULL) {\r | |
620 | gBS->CloseEvent (TimeOutEvt);\r | |
621 | }\r | |
622 | \r | |
623 | if (GatewayIsFound) {\r | |
624 | Status = EFI_SUCCESS;\r | |
625 | } else if (RetryCount == TimeOutInSecond) {\r | |
626 | Status = EFI_TIMEOUT;\r | |
627 | }\r | |
628 | \r | |
629 | return Status; \r | |
630 | }\r | |
631 | \r | |
632 | /**\r | |
633 | Set the IP6 policy to Automatic.\r | |
634 | \r | |
635 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
636 | \r | |
637 | @retval EFI_SUCCESS Switch the IP policy succesfully.\r | |
638 | @retval Others Unexpect error happened.\r | |
639 | \r | |
640 | **/\r | |
641 | EFI_STATUS\r | |
642 | HttpBootSetIp6Policy (\r | |
643 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
644 | )\r | |
645 | {\r | |
646 | EFI_IP6_CONFIG_POLICY Policy;\r | |
647 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
648 | EFI_STATUS Status;\r | |
649 | UINTN DataSize;\r | |
650 | \r | |
651 | Ip6Config = Private->Ip6Config;\r | |
652 | DataSize = sizeof (EFI_IP6_CONFIG_POLICY);\r | |
653 | \r | |
654 | //\r | |
655 | // Get and store the current policy of IP6 driver.\r | |
656 | //\r | |
657 | Status = Ip6Config->GetData (\r | |
658 | Ip6Config,\r | |
659 | Ip6ConfigDataTypePolicy,\r | |
660 | &DataSize,\r | |
661 | &Policy\r | |
662 | );\r | |
663 | if (EFI_ERROR (Status)) {\r | |
664 | return Status;\r | |
665 | }\r | |
666 | \r | |
667 | if (Policy == Ip6ConfigPolicyManual) {\r | |
668 | Policy = Ip6ConfigPolicyAutomatic;\r | |
669 | Status = Ip6Config->SetData (\r | |
670 | Ip6Config,\r | |
671 | Ip6ConfigDataTypePolicy,\r | |
672 | sizeof(EFI_IP6_CONFIG_POLICY),\r | |
673 | &Policy\r | |
674 | );\r | |
675 | if (EFI_ERROR (Status)) {\r | |
676 | return Status;\r | |
677 | }\r | |
678 | }\r | |
679 | return EFI_SUCCESS;\r | |
680 | }\r | |
681 | \r | |
682 | /**\r | |
683 | This function will register the default DNS addresses to the network device.\r | |
684 | \r | |
685 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
686 | @param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes.\r | |
687 | @param[in] DnsServerData Point a list of DNS server address in an array\r | |
688 | of EFI_IPv6_ADDRESS instances.\r | |
689 | \r | |
690 | @retval EFI_SUCCESS The DNS configuration has been configured successfully.\r | |
691 | @retval Others Failed to configure the address.\r | |
692 | \r | |
693 | **/\r | |
694 | EFI_STATUS\r | |
695 | HttpBootSetIp6Dns (\r | |
696 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
697 | IN UINTN DataLength,\r | |
698 | IN VOID *DnsServerData\r | |
699 | )\r | |
700 | {\r | |
701 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
702 | \r | |
703 | ASSERT (Private->UsingIpv6);\r | |
704 | \r | |
705 | Ip6Config = Private->Ip6Config;\r | |
706 | \r | |
707 | return Ip6Config->SetData (\r | |
708 | Ip6Config,\r | |
709 | Ip6ConfigDataTypeDnsServer,\r | |
710 | DataLength,\r | |
711 | DnsServerData\r | |
712 | );\r | |
713 | }\r | |
714 | \r | |
715 | /**\r | |
716 | This function will register the IPv6 gateway address to the network device.\r | |
717 | \r | |
718 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
719 | \r | |
720 | @retval EFI_SUCCESS The new IP configuration has been configured successfully.\r | |
721 | @retval Others Failed to configure the address.\r | |
722 | \r | |
723 | **/\r | |
724 | EFI_STATUS\r | |
725 | HttpBootSetIp6Gateway (\r | |
726 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
727 | )\r | |
728 | {\r | |
729 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
730 | EFI_STATUS Status;\r | |
731 | \r | |
732 | ASSERT (Private->UsingIpv6);\r | |
733 | Ip6Config = Private->Ip6Config;\r | |
734 | \r | |
735 | //\r | |
736 | // Set the default gateway address. \r | |
737 | //\r | |
738 | if (!Private->NoGateway && !NetIp6IsUnspecifiedAddr (&Private->GatewayIp.v6)) {\r | |
739 | Status = Ip6Config->SetData (\r | |
740 | Ip6Config,\r | |
741 | Ip6ConfigDataTypeGateway,\r | |
742 | sizeof (EFI_IPv6_ADDRESS),\r | |
743 | &Private->GatewayIp.v6\r | |
744 | );\r | |
745 | if (EFI_ERROR(Status)) {\r | |
746 | return Status;\r | |
747 | }\r | |
748 | }\r | |
749 | \r | |
750 | return EFI_SUCCESS;\r | |
751 | }\r | |
752 | \r | |
753 | /**\r | |
754 | This function will register the station IP address.\r | |
755 | \r | |
756 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
757 | \r | |
758 | @retval EFI_SUCCESS The new IP address has been configured successfully.\r | |
759 | @retval Others Failed to configure the address.\r | |
760 | \r | |
761 | **/\r | |
762 | EFI_STATUS\r | |
763 | HttpBootSetIp6Address (\r | |
764 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
765 | )\r | |
766 | {\r | |
767 | EFI_STATUS Status;\r | |
768 | EFI_IP6_PROTOCOL *Ip6;\r | |
769 | EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;\r | |
770 | EFI_IP6_CONFIG_POLICY Policy;\r | |
771 | EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;\r | |
772 | EFI_IPv6_ADDRESS *Ip6Addr;\r | |
773 | EFI_IPv6_ADDRESS GatewayAddr;\r | |
774 | EFI_IP6_CONFIG_DATA Ip6CfgData;\r | |
775 | EFI_EVENT MappedEvt; \r | |
776 | UINTN DataSize;\r | |
777 | BOOLEAN IsAddressOk;\r | |
778 | UINTN Index;\r | |
779 | \r | |
780 | ASSERT (Private->UsingIpv6);\r | |
781 | \r | |
782 | MappedEvt = NULL;\r | |
783 | IsAddressOk = FALSE;\r | |
784 | Ip6Addr = NULL;\r | |
785 | Ip6Cfg = Private->Ip6Config;\r | |
786 | Ip6 = Private->Ip6;\r | |
787 | \r | |
788 | ZeroMem (&CfgAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));\r | |
789 | CopyMem (&CfgAddr, &Private->StationIp.v6, sizeof (EFI_IPv6_ADDRESS));\r | |
790 | ZeroMem (&Ip6CfgData, sizeof (EFI_IP6_CONFIG_DATA));\r | |
791 | \r | |
792 | Ip6CfgData.AcceptIcmpErrors = TRUE;\r | |
793 | Ip6CfgData.DefaultProtocol = IP6_ICMP;\r | |
794 | Ip6CfgData.HopLimit = HTTP_BOOT_DEFAULT_HOPLIMIT;\r | |
795 | Ip6CfgData.ReceiveTimeout = HTTP_BOOT_DEFAULT_LIFETIME;\r | |
796 | Ip6CfgData.TransmitTimeout = HTTP_BOOT_DEFAULT_LIFETIME;\r | |
797 | \r | |
798 | Status = Ip6->Configure (Ip6, &Ip6CfgData);\r | |
799 | if (EFI_ERROR (Status)) {\r | |
800 | goto ON_EXIT;\r | |
801 | }\r | |
802 | \r | |
803 | //\r | |
804 | // Retrieve the gateway address from IP6 route table.\r | |
805 | //\r | |
806 | Status = HttpBootCheckRouteTable (Private, HTTP_BOOT_IP6_ROUTE_TABLE_TIMEOUT, &GatewayAddr);\r | |
807 | if (EFI_ERROR (Status)) {\r | |
808 | Private->NoGateway = TRUE;\r | |
809 | } else {\r | |
810 | IP6_COPY_ADDRESS (&Private->GatewayIp.v6, &GatewayAddr);\r | |
811 | }\r | |
812 | \r | |
813 | //\r | |
814 | // Set the new address by Ip6ConfigProtocol manually.\r | |
815 | //\r | |
816 | Policy = Ip6ConfigPolicyManual;\r | |
817 | Status = Ip6Cfg->SetData (\r | |
818 | Ip6Cfg,\r | |
819 | Ip6ConfigDataTypePolicy,\r | |
820 | sizeof(EFI_IP6_CONFIG_POLICY),\r | |
821 | &Policy\r | |
822 | );\r | |
823 | if (EFI_ERROR (Status)) {\r | |
824 | goto ON_EXIT;\r | |
825 | }\r | |
826 | \r | |
827 | //\r | |
828 | // Create a notify event to set address flag when DAD if IP6 driver succeeded.\r | |
829 | //\r | |
830 | Status = gBS->CreateEvent (\r | |
831 | EVT_NOTIFY_SIGNAL,\r | |
832 | TPL_NOTIFY,\r | |
833 | HttpBootCommonNotify,\r | |
834 | &IsAddressOk,\r | |
835 | &MappedEvt\r | |
836 | );\r | |
837 | if (EFI_ERROR (Status)) {\r | |
838 | goto ON_EXIT;\r | |
839 | }\r | |
840 | \r | |
841 | //\r | |
842 | // Set static host ip6 address. This is a asynchronous process.\r | |
843 | //\r | |
844 | Status = Ip6Cfg->RegisterDataNotify (\r | |
845 | Ip6Cfg,\r | |
846 | Ip6ConfigDataTypeManualAddress,\r | |
847 | MappedEvt\r | |
848 | );\r | |
849 | if (EFI_ERROR(Status)) {\r | |
850 | goto ON_EXIT;\r | |
851 | }\r | |
852 | \r | |
853 | Status = Ip6Cfg->SetData (\r | |
854 | Ip6Cfg,\r | |
855 | Ip6ConfigDataTypeManualAddress,\r | |
856 | sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS),\r | |
857 | &CfgAddr\r | |
858 | ); \r | |
859 | if (EFI_ERROR (Status) && Status != EFI_NOT_READY) {\r | |
860 | goto ON_EXIT;\r | |
861 | } else if (Status == EFI_NOT_READY) {\r | |
862 | //\r | |
863 | // Poll the network until the asynchronous process is finished.\r | |
864 | //\r | |
865 | while (!IsAddressOk) {\r | |
866 | Ip6->Poll (Ip6);\r | |
867 | }\r | |
868 | //\r | |
869 | // Check whether the Ip6 Address setting is successed.\r | |
870 | //\r | |
871 | DataSize = 0;\r | |
872 | Status = Ip6Cfg->GetData (\r | |
873 | Ip6Cfg,\r | |
874 | Ip6ConfigDataTypeManualAddress,\r | |
875 | &DataSize,\r | |
876 | NULL\r | |
877 | );\r | |
878 | if (Status != EFI_BUFFER_TOO_SMALL || DataSize == 0) {\r | |
879 | Status = EFI_DEVICE_ERROR;\r | |
880 | goto ON_EXIT;\r | |
881 | }\r | |
882 | \r | |
883 | Ip6Addr = AllocatePool (DataSize);\r | |
884 | if (Ip6Addr == NULL) {\r | |
885 | return EFI_OUT_OF_RESOURCES;\r | |
886 | }\r | |
887 | Status = Ip6Cfg->GetData (\r | |
888 | Ip6Cfg,\r | |
889 | Ip6ConfigDataTypeManualAddress,\r | |
890 | &DataSize,\r | |
891 | (VOID *) Ip6Addr\r | |
892 | );\r | |
893 | if (EFI_ERROR (Status)) {\r | |
894 | Status = EFI_DEVICE_ERROR;\r | |
895 | goto ON_EXIT;\r | |
896 | }\r | |
897 | \r | |
898 | for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index ++) {\r | |
899 | if (CompareMem (Ip6Addr + Index, &CfgAddr, sizeof (EFI_IPv6_ADDRESS)) == 0) {\r | |
900 | break;\r | |
901 | }\r | |
902 | }\r | |
903 | if (Index == DataSize / sizeof (EFI_IPv6_ADDRESS)) {\r | |
904 | Status = EFI_ABORTED;\r | |
905 | goto ON_EXIT;\r | |
906 | } \r | |
907 | }\r | |
908 | \r | |
909 | ON_EXIT:\r | |
910 | if (MappedEvt != NULL) {\r | |
911 | Ip6Cfg->UnregisterDataNotify (\r | |
912 | Ip6Cfg,\r | |
913 | Ip6ConfigDataTypeManualAddress,\r | |
914 | MappedEvt\r | |
915 | );\r | |
916 | gBS->CloseEvent (MappedEvt);\r | |
917 | }\r | |
918 | \r | |
919 | if (Ip6Addr != NULL) {\r | |
920 | FreePool (Ip6Addr);\r | |
921 | }\r | |
922 | \r | |
923 | return Status; \r | |
924 | }\r | |
925 | \r | |
926 | /**\r | |
927 | Start the S.A.R.R DHCPv6 process to acquire the IPv6 address and other Http boot information.\r | |
928 | \r | |
929 | @param[in] Private Pointer to HTTP_BOOT private data.\r | |
930 | \r | |
931 | @retval EFI_SUCCESS The S.A.R.R process successfully finished.\r | |
932 | @retval Others Failed to finish the S.A.R.R process.\r | |
933 | \r | |
934 | **/\r | |
935 | EFI_STATUS\r | |
936 | HttpBootDhcp6Sarr (\r | |
937 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
938 | )\r | |
939 | {\r | |
940 | EFI_DHCP6_PROTOCOL *Dhcp6;\r | |
941 | EFI_DHCP6_CONFIG_DATA Config;\r | |
942 | EFI_DHCP6_MODE_DATA Mode;\r | |
943 | EFI_DHCP6_RETRANSMISSION *Retransmit;\r | |
944 | EFI_DHCP6_PACKET_OPTION *OptList[HTTP_BOOT_DHCP6_OPTION_MAX_NUM];\r | |
945 | UINT32 OptCount;\r | |
946 | UINT8 Buffer[HTTP_BOOT_DHCP6_OPTION_MAX_SIZE];\r | |
947 | EFI_STATUS Status;\r | |
948 | \r | |
949 | Dhcp6 = Private->Dhcp6;\r | |
950 | ASSERT (Dhcp6 != NULL);\r | |
951 | \r | |
952 | //\r | |
953 | // Build options list for the request packet.\r | |
954 | //\r | |
955 | OptCount = HttpBootBuildDhcp6Options (Private, OptList, Buffer);\r | |
956 | ASSERT (OptCount >0);\r | |
957 | \r | |
958 | Retransmit = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));\r | |
959 | if (Retransmit == NULL) {\r | |
960 | return EFI_OUT_OF_RESOURCES;\r | |
961 | }\r | |
962 | \r | |
963 | ZeroMem (&Mode, sizeof (EFI_DHCP6_MODE_DATA));\r | |
964 | ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));\r | |
965 | \r | |
966 | Config.OptionCount = OptCount;\r | |
967 | Config.OptionList = OptList;\r | |
968 | Config.Dhcp6Callback = HttpBootDhcp6CallBack;\r | |
969 | Config.CallbackContext = Private;\r | |
970 | Config.IaInfoEvent = NULL;\r | |
971 | Config.RapidCommit = FALSE;\r | |
972 | Config.ReconfigureAccept = FALSE;\r | |
973 | Config.IaDescriptor.IaId = NET_RANDOM (NetRandomInitSeed ());\r | |
974 | Config.IaDescriptor.Type = EFI_DHCP6_IA_TYPE_NA;\r | |
975 | Config.SolicitRetransmission = Retransmit;\r | |
976 | Retransmit->Irt = 4;\r | |
977 | Retransmit->Mrc = 4;\r | |
978 | Retransmit->Mrt = 32;\r | |
979 | Retransmit->Mrd = 60;\r | |
980 | \r | |
981 | //\r | |
982 | // Configure the DHCPv6 instance for HTTP boot.\r | |
983 | //\r | |
984 | Status = Dhcp6->Configure (Dhcp6, &Config);\r | |
985 | FreePool (Retransmit);\r | |
986 | if (EFI_ERROR (Status)) {\r | |
987 | goto ON_EXIT;\r | |
988 | }\r | |
989 | //\r | |
990 | // Initialize the record fields for DHCPv6 offer in private data.\r | |
991 | //\r | |
992 | Private->OfferNum = 0;\r | |
993 | Private->SelectIndex = 0;\r | |
994 | ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));\r | |
995 | ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));\r | |
996 | \r | |
997 | //\r | |
998 | // Start DHCPv6 S.A.R.R. process to acquire IPv6 address.\r | |
999 | //\r | |
1000 | Status = Dhcp6->Start (Dhcp6);\r | |
1001 | if (EFI_ERROR (Status)) {\r | |
1002 | goto ON_EXIT;\r | |
1003 | }\r | |
1004 | \r | |
1005 | //\r | |
1006 | // Get the acquired IPv6 address and store them.\r | |
1007 | //\r | |
1008 | Status = Dhcp6->GetModeData (Dhcp6, &Mode, NULL);\r | |
1009 | if (EFI_ERROR (Status)) {\r | |
1010 | goto ON_EXIT;\r | |
1011 | }\r | |
1012 | \r | |
1013 | ASSERT (Mode.Ia->State == Dhcp6Bound);\r | |
1014 | CopyMem (&Private->StationIp.v6, &Mode.Ia->IaAddress[0].IpAddress, sizeof (EFI_IPv6_ADDRESS));\r | |
1015 | \r | |
1016 | AsciiPrint ("\n Station IPv6 address is ");\r | |
1017 | HttpBootShowIp6Addr (&Private->StationIp.v6);\r | |
1018 | AsciiPrint ("\n");\r | |
1019 | \r | |
1020 | ON_EXIT:\r | |
1021 | if (EFI_ERROR (Status)) {\r | |
1022 | Dhcp6->Stop (Dhcp6);\r | |
1023 | Dhcp6->Configure (Dhcp6, NULL);\r | |
1024 | } else {\r | |
1025 | ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));\r | |
b659408b | 1026 | Dhcp6->Configure (Dhcp6, &Config);\r |
ce22514e ZL |
1027 | if (Mode.ClientId != NULL) {\r |
1028 | FreePool (Mode.ClientId);\r | |
1029 | }\r | |
1030 | if (Mode.Ia != NULL) {\r | |
1031 | FreePool (Mode.Ia);\r | |
1032 | }\r | |
b659408b ZL |
1033 | }\r |
1034 | \r | |
1035 | return Status; \r | |
1036 | \r | |
1037 | }\r | |
1038 | \r |