]>
Commit | Line | Data |
---|---|---|
b659408b ZL |
1 | /** @file\r |
2 | Functions implementation related with DHCPv6 for HTTP boot driver.\r | |
3 | \r | |
f75a7f56 | 4 | Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>\r |
ecf98fbc | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
b659408b ZL |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "HttpBootDxe.h"\r | |
10 | \r | |
11 | /**\r | |
12 | Build the options buffer for the DHCPv6 request packet.\r | |
13 | \r | |
14 | @param[in] Private The pointer to HTTP BOOT driver private data.\r | |
15 | @param[out] OptList The pointer to the option pointer array.\r | |
16 | @param[in] Buffer The pointer to the buffer to contain the option list.\r | |
17 | \r | |
18 | @return Index The count of the built-in options.\r | |
19 | \r | |
20 | **/\r | |
21 | UINT32\r | |
22 | HttpBootBuildDhcp6Options (\r | |
23 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
24 | OUT EFI_DHCP6_PACKET_OPTION **OptList,\r | |
25 | IN UINT8 *Buffer\r | |
26 | )\r | |
27 | {\r | |
28 | HTTP_BOOT_DHCP6_OPTION_ENTRY OptEnt;\r | |
29 | UINT16 Value;\r | |
30 | UINT32 Index;\r | |
31 | \r | |
32 | Index = 0;\r | |
33 | OptList[0] = (EFI_DHCP6_PACKET_OPTION *) Buffer;\r | |
34 | \r | |
35 | //\r | |
36 | // Append client option request option\r | |
37 | //\r | |
142c00c3 | 38 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_ORO);\r |
b659408b ZL |
39 | OptList[Index]->OpLen = HTONS (8);\r |
40 | OptEnt.Oro = (HTTP_BOOT_DHCP6_OPTION_ORO *) OptList[Index]->Data;\r | |
142c00c3 ZL |
41 | OptEnt.Oro->OpCode[0] = HTONS(DHCP6_OPT_BOOT_FILE_URL);\r |
42 | OptEnt.Oro->OpCode[1] = HTONS(DHCP6_OPT_BOOT_FILE_PARAM);\r | |
43 | OptEnt.Oro->OpCode[2] = HTONS(DHCP6_OPT_DNS_SERVERS);\r | |
44 | OptEnt.Oro->OpCode[3] = HTONS(DHCP6_OPT_VENDOR_CLASS);\r | |
b659408b ZL |
45 | Index++;\r |
46 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r | |
47 | \r | |
48 | //\r | |
49 | // Append client network device interface option\r | |
50 | //\r | |
142c00c3 | 51 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_UNDI);\r |
b659408b ZL |
52 | OptList[Index]->OpLen = HTONS ((UINT16)3);\r |
53 | OptEnt.Undi = (HTTP_BOOT_DHCP6_OPTION_UNDI *) OptList[Index]->Data;\r | |
54 | \r | |
55 | if (Private->Nii != NULL) {\r | |
56 | OptEnt.Undi->Type = Private->Nii->Type;\r | |
57 | OptEnt.Undi->MajorVer = Private->Nii->MajorVer;\r | |
58 | OptEnt.Undi->MinorVer = Private->Nii->MinorVer;\r | |
59 | } else {\r | |
60 | OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;\r | |
61 | OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;\r | |
62 | OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;\r | |
63 | }\r | |
64 | \r | |
65 | Index++;\r | |
66 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r | |
67 | \r | |
68 | //\r | |
69 | // Append client system architecture option\r | |
70 | //\r | |
142c00c3 | 71 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_ARCH);\r |
b659408b ZL |
72 | OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_ARCH));\r |
73 | OptEnt.Arch = (HTTP_BOOT_DHCP6_OPTION_ARCH *) OptList[Index]->Data;\r | |
74 | Value = HTONS (EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE);\r | |
75 | CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));\r | |
76 | Index++;\r | |
77 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r | |
78 | \r | |
79 | //\r | |
80 | // Append vendor class identify option.\r | |
81 | //\r | |
142c00c3 | 82 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_VENDOR_CLASS);\r |
b659408b ZL |
83 | OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS));\r |
84 | OptEnt.VendorClass = (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS *) OptList[Index]->Data;\r | |
85 | OptEnt.VendorClass->Vendor = HTONL (HTTP_BOOT_DHCP6_ENTERPRISE_NUM);\r | |
86 | OptEnt.VendorClass->ClassLen = HTONS ((UINT16) sizeof (HTTP_BOOT_CLASS_ID));\r | |
87 | CopyMem (\r | |
88 | &OptEnt.VendorClass->ClassId,\r | |
89 | DEFAULT_CLASS_ID_DATA,\r | |
90 | sizeof (HTTP_BOOT_CLASS_ID)\r | |
91 | );\r | |
92 | HttpBootUintnToAscDecWithFormat (\r | |
93 | EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE,\r | |
94 | OptEnt.VendorClass->ClassId.ArchitectureType,\r | |
95 | sizeof (OptEnt.VendorClass->ClassId.ArchitectureType)\r | |
96 | );\r | |
97 | \r | |
98 | if (Private->Nii != NULL) {\r | |
99 | CopyMem (\r | |
100 | OptEnt.VendorClass->ClassId.InterfaceName,\r | |
101 | Private->Nii->StringId,\r | |
102 | sizeof (OptEnt.VendorClass->ClassId.InterfaceName)\r | |
103 | );\r | |
104 | HttpBootUintnToAscDecWithFormat (\r | |
105 | Private->Nii->MajorVer,\r | |
106 | OptEnt.VendorClass->ClassId.UndiMajor,\r | |
107 | sizeof (OptEnt.VendorClass->ClassId.UndiMajor)\r | |
108 | );\r | |
109 | HttpBootUintnToAscDecWithFormat (\r | |
110 | Private->Nii->MinorVer,\r | |
111 | OptEnt.VendorClass->ClassId.UndiMinor,\r | |
112 | sizeof (OptEnt.VendorClass->ClassId.UndiMinor)\r | |
113 | );\r | |
114 | }\r | |
115 | \r | |
116 | Index++;\r | |
117 | \r | |
118 | return Index;\r | |
119 | }\r | |
120 | \r | |
121 | /**\r | |
122 | Parse out a DHCPv6 option by OptTag, and find the position in buffer.\r | |
123 | \r | |
124 | @param[in] Buffer The pointer to the option buffer.\r | |
125 | @param[in] Length Length of the option buffer.\r | |
126 | @param[in] OptTag The required option tag.\r | |
127 | \r | |
128 | @retval NULL Failed to parse the required option.\r | |
129 | @retval Others The postion of the required option in buffer.\r | |
130 | \r | |
131 | **/\r | |
132 | EFI_DHCP6_PACKET_OPTION *\r | |
133 | HttpBootParseDhcp6Options (\r | |
134 | IN UINT8 *Buffer,\r | |
135 | IN UINT32 Length,\r | |
136 | IN UINT16 OptTag\r | |
137 | )\r | |
138 | {\r | |
139 | EFI_DHCP6_PACKET_OPTION *Option;\r | |
140 | UINT32 Offset;\r | |
141 | \r | |
142 | Option = (EFI_DHCP6_PACKET_OPTION *) Buffer;\r | |
143 | Offset = 0;\r | |
144 | \r | |
145 | //\r | |
146 | // OpLen and OpCode here are both stored in network order.\r | |
147 | //\r | |
148 | while (Offset < Length) {\r | |
149 | \r | |
150 | if (NTOHS (Option->OpCode) == OptTag) {\r | |
151 | \r | |
152 | return Option;\r | |
153 | }\r | |
154 | \r | |
155 | Offset += (NTOHS(Option->OpLen) + 4);\r | |
156 | Option = (EFI_DHCP6_PACKET_OPTION *) (Buffer + Offset);\r | |
157 | }\r | |
158 | \r | |
159 | return NULL;\r | |
160 | \r | |
161 | }\r | |
162 | \r | |
163 | /**\r | |
164 | Parse the cached DHCPv6 packet, including all the options.\r | |
165 | \r | |
166 | @param[in] Cache6 The pointer to a cached DHCPv6 packet.\r | |
167 | \r | |
168 | @retval EFI_SUCCESS Parsed the DHCPv6 packet successfully.\r | |
169 | @retval EFI_DEVICE_ERROR Failed to parse and invalid the packet.\r | |
170 | \r | |
171 | **/\r | |
172 | EFI_STATUS\r | |
173 | HttpBootParseDhcp6Packet (\r | |
174 | IN HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6\r | |
175 | )\r | |
176 | {\r | |
177 | EFI_DHCP6_PACKET *Offer;\r | |
178 | EFI_DHCP6_PACKET_OPTION **Options;\r | |
179 | EFI_DHCP6_PACKET_OPTION *Option;\r | |
180 | HTTP_BOOT_OFFER_TYPE OfferType;\r | |
181 | EFI_IPv6_ADDRESS IpAddr;\r | |
182 | BOOLEAN IsProxyOffer;\r | |
183 | BOOLEAN IsHttpOffer;\r | |
184 | BOOLEAN IsDnsOffer;\r | |
185 | BOOLEAN IpExpressedUri;\r | |
186 | EFI_STATUS Status;\r | |
187 | UINT32 Offset;\r | |
188 | UINT32 Length;\r | |
f75a7f56 | 189 | \r |
b659408b ZL |
190 | IsDnsOffer = FALSE;\r |
191 | IpExpressedUri = FALSE;\r | |
192 | IsProxyOffer = TRUE;\r | |
193 | IsHttpOffer = FALSE;\r | |
194 | Offer = &Cache6->Packet.Offer;\r | |
195 | Options = Cache6->OptList;\r | |
f75a7f56 | 196 | \r |
b659408b ZL |
197 | ZeroMem (Cache6->OptList, sizeof (Cache6->OptList));\r |
198 | \r | |
199 | Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option);\r | |
200 | Offset = 0;\r | |
201 | Length = GET_DHCP6_OPTION_SIZE (Offer);\r | |
202 | \r | |
203 | //\r | |
204 | // OpLen and OpCode here are both stored in network order, since they are from original packet.\r | |
205 | //\r | |
206 | while (Offset < Length) {\r | |
207 | \r | |
142c00c3 | 208 | if (NTOHS (Option->OpCode) == DHCP6_OPT_IA_NA) {\r |
b659408b | 209 | Options[HTTP_BOOT_DHCP6_IDX_IA_NA] = Option;\r |
142c00c3 | 210 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_URL) {\r |
b659408b ZL |
211 | //\r |
212 | // The server sends this option to inform the client about an URL to a boot file.\r | |
213 | //\r | |
214 | Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] = Option;\r | |
142c00c3 | 215 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_PARAM) {\r |
b659408b | 216 | Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_PARAM] = Option;\r |
142c00c3 | 217 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_VENDOR_CLASS) {\r |
b659408b | 218 | Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS] = Option;\r |
142c00c3 | 219 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_DNS_SERVERS) {\r |
b659408b ZL |
220 | Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER] = Option;\r |
221 | }\r | |
222 | \r | |
223 | Offset += (NTOHS (Option->OpLen) + 4);\r | |
224 | Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option + Offset);\r | |
225 | }\r | |
226 | //\r | |
227 | // The offer with assigned client address is NOT a proxy offer.\r | |
228 | // An ia_na option, embeded with valid ia_addr option and a status_code of success.\r | |
229 | //\r | |
230 | Option = Options[HTTP_BOOT_DHCP6_IDX_IA_NA];\r | |
231 | if (Option != NULL) {\r | |
232 | Option = HttpBootParseDhcp6Options (\r | |
233 | Option->Data + 12,\r | |
234 | NTOHS (Option->OpLen),\r | |
142c00c3 | 235 | DHCP6_OPT_STATUS_CODE\r |
b659408b ZL |
236 | );\r |
237 | if ((Option != NULL && Option->Data[0] == 0) || (Option == NULL)) {\r | |
238 | IsProxyOffer = FALSE;\r | |
239 | }\r | |
240 | }\r | |
241 | \r | |
242 | //\r | |
243 | // The offer with "HTTPClient" is a Http offer.\r | |
244 | //\r | |
245 | Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS];\r | |
246 | \r | |
247 | if (Option != NULL &&\r | |
3decba3d ZL |
248 | NTOHS(Option->OpLen) >= 16 &&\r |
249 | CompareMem ((Option->Data + 6), DEFAULT_CLASS_ID_DATA, 10) == 0) {\r | |
b659408b ZL |
250 | IsHttpOffer = TRUE;\r |
251 | }\r | |
252 | \r | |
253 | //\r | |
254 | // The offer with Domain Server is a DNS offer.\r | |
255 | //\r | |
256 | Option = Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER];\r | |
257 | if (Option != NULL) {\r | |
258 | IsDnsOffer = TRUE;\r | |
259 | }\r | |
260 | \r | |
261 | //\r | |
262 | // Http offer must have a boot URI.\r | |
263 | //\r | |
264 | if (IsHttpOffer && Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] == NULL) {\r | |
265 | return EFI_DEVICE_ERROR;\r | |
266 | }\r | |
f75a7f56 | 267 | \r |
b659408b | 268 | //\r |
f75a7f56 | 269 | // Try to retrieve the IP of HTTP server from URI.\r |
b659408b ZL |
270 | //\r |
271 | if (IsHttpOffer) {\r | |
272 | Status = HttpParseUrl (\r | |
273 | (CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,\r | |
274 | (UINT32) AsciiStrLen ((CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data),\r | |
275 | FALSE,\r | |
276 | &Cache6->UriParser\r | |
277 | );\r | |
278 | if (EFI_ERROR (Status)) {\r | |
279 | return EFI_DEVICE_ERROR;\r | |
280 | }\r | |
281 | \r | |
282 | Status = HttpUrlGetIp6 (\r | |
283 | (CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,\r | |
284 | Cache6->UriParser,\r | |
285 | &IpAddr\r | |
286 | );\r | |
287 | IpExpressedUri = !EFI_ERROR (Status);\r | |
288 | }\r | |
289 | \r | |
290 | //\r | |
291 | // Determine offer type of the DHCPv6 packet.\r | |
292 | //\r | |
293 | if (IsHttpOffer) {\r | |
294 | if (IpExpressedUri) {\r | |
fa848a40 FS |
295 | if (IsProxyOffer) {\r |
296 | OfferType = HttpOfferTypeProxyIpUri;\r | |
297 | } else {\r | |
298 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpIpUriDns : HttpOfferTypeDhcpIpUri;\r | |
299 | }\r | |
b659408b ZL |
300 | } else {\r |
301 | if (!IsProxyOffer) {\r | |
302 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpNameUriDns : HttpOfferTypeDhcpNameUri;\r | |
303 | } else {\r | |
304 | OfferType = HttpOfferTypeProxyNameUri;\r | |
305 | }\r | |
306 | }\r | |
307 | \r | |
308 | } else {\r | |
309 | if (!IsProxyOffer) {\r | |
310 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpDns : HttpOfferTypeDhcpOnly;\r | |
311 | } else {\r | |
312 | return EFI_DEVICE_ERROR;\r | |
313 | }\r | |
314 | }\r | |
f75a7f56 | 315 | \r |
b659408b ZL |
316 | Cache6->OfferType = OfferType;\r |
317 | return EFI_SUCCESS;\r | |
318 | }\r | |
319 | \r | |
320 | /**\r | |
321 | Cache the DHCPv6 packet.\r | |
322 | \r | |
323 | @param[in] Dst The pointer to the cache buffer for DHCPv6 packet.\r | |
324 | @param[in] Src The pointer to the DHCPv6 packet to be cached.\r | |
325 | \r | |
a35dc649 FS |
326 | @retval EFI_SUCCESS Packet is copied.\r |
327 | @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.\r | |
328 | \r | |
b659408b | 329 | **/\r |
a35dc649 | 330 | EFI_STATUS\r |
b659408b ZL |
331 | HttpBootCacheDhcp6Packet (\r |
332 | IN EFI_DHCP6_PACKET *Dst,\r | |
333 | IN EFI_DHCP6_PACKET *Src\r | |
334 | )\r | |
335 | {\r | |
a35dc649 FS |
336 | if (Dst->Size < Src->Length) {\r |
337 | return EFI_BUFFER_TOO_SMALL;\r | |
338 | }\r | |
b659408b ZL |
339 | \r |
340 | CopyMem (&Dst->Dhcp6, &Src->Dhcp6, Src->Length);\r | |
341 | Dst->Length = Src->Length;\r | |
f75a7f56 | 342 | \r |
a35dc649 | 343 | return EFI_SUCCESS;\r |
b659408b ZL |
344 | }\r |
345 | \r | |
346 | /**\r | |
347 | Cache all the received DHCPv6 offers, and set OfferIndex and OfferCount.\r | |
348 | \r | |
349 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
350 | @param[in] RcvdOffer The pointer to the received offer packet.\r | |
351 | \r | |
a35dc649 FS |
352 | @retval EFI_SUCCESS Cache and parse the packet successfully.\r |
353 | @retval Others Operation failed.\r | |
354 | \r | |
b659408b | 355 | **/\r |
a35dc649 | 356 | EFI_STATUS\r |
b659408b ZL |
357 | HttpBootCacheDhcp6Offer (\r |
358 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
359 | IN EFI_DHCP6_PACKET *RcvdOffer\r | |
360 | )\r | |
361 | {\r | |
362 | HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6;\r | |
363 | EFI_DHCP6_PACKET *Offer;\r | |
364 | HTTP_BOOT_OFFER_TYPE OfferType;\r | |
a35dc649 | 365 | EFI_STATUS Status;\r |
b659408b ZL |
366 | \r |
367 | Cache6 = &Private->OfferBuffer[Private->OfferNum].Dhcp6;\r | |
368 | Offer = &Cache6->Packet.Offer;\r | |
369 | \r | |
370 | //\r | |
371 | // Cache the content of DHCPv6 packet firstly.\r | |
372 | //\r | |
a35dc649 FS |
373 | Status = HttpBootCacheDhcp6Packet(Offer, RcvdOffer);\r |
374 | if (EFI_ERROR (Status)) {\r | |
375 | return Status;\r | |
376 | }\r | |
b659408b ZL |
377 | \r |
378 | //\r | |
379 | // Validate the DHCPv6 packet, and parse the options and offer type.\r | |
380 | //\r | |
381 | if (EFI_ERROR (HttpBootParseDhcp6Packet (Cache6))) {\r | |
a35dc649 | 382 | return EFI_ABORTED;\r |
b659408b ZL |
383 | }\r |
384 | \r | |
385 | //\r | |
386 | // Determine whether cache the current offer by type, and record OfferIndex and OfferCount.\r | |
387 | //\r | |
388 | OfferType = Cache6->OfferType;\r | |
389 | ASSERT (OfferType < HttpOfferTypeMax);\r | |
390 | ASSERT (Private->OfferCount[OfferType] < HTTP_BOOT_OFFER_MAX_NUM);\r | |
391 | Private->OfferIndex[OfferType][Private->OfferCount[OfferType]] = Private->OfferNum;\r | |
392 | Private->OfferCount[OfferType]++;\r | |
a35dc649 | 393 | Private->OfferNum++;\r |
f75a7f56 | 394 | \r |
a35dc649 | 395 | return EFI_SUCCESS;\r |
b659408b ZL |
396 | }\r |
397 | \r | |
398 | /**\r | |
399 | EFI_DHCP6_CALLBACK is provided by the consumer of the EFI DHCPv6 Protocol driver\r | |
400 | to intercept events that occurred in the configuration process.\r | |
401 | \r | |
402 | @param[in] This The pointer to the EFI DHCPv6 Protocol.\r | |
403 | @param[in] Context The pointer to the context set by EFI_DHCP6_PROTOCOL.Configure().\r | |
404 | @param[in] CurrentState The current operational state of the EFI DHCPv Protocol driver.\r | |
405 | @param[in] Dhcp6Event The event that occurs in the current state, which usually means a\r | |
406 | state transition.\r | |
407 | @param[in] Packet The DHCPv6 packet that is going to be sent or was already received.\r | |
408 | @param[out] NewPacket The packet that is used to replace the Packet above.\r | |
409 | \r | |
410 | @retval EFI_SUCCESS Told the EFI DHCPv6 Protocol driver to continue the DHCP process.\r | |
411 | @retval EFI_NOT_READY Only used in the Dhcp6Selecting state. The EFI DHCPv6 Protocol\r | |
412 | driver will continue to wait for more packets.\r | |
413 | @retval EFI_ABORTED Told the EFI DHCPv6 Protocol driver to abort the current process.\r | |
7c275b3c | 414 | @retval EFI_OUT_OF_RESOURCES There are not enough resources.\r |
b659408b ZL |
415 | \r |
416 | **/\r | |
417 | EFI_STATUS\r | |
418 | EFIAPI\r | |
419 | HttpBootDhcp6CallBack (\r | |
420 | IN EFI_DHCP6_PROTOCOL *This,\r | |
421 | IN VOID *Context,\r | |
422 | IN EFI_DHCP6_STATE CurrentState,\r | |
423 | IN EFI_DHCP6_EVENT Dhcp6Event,\r | |
424 | IN EFI_DHCP6_PACKET *Packet,\r | |
425 | OUT EFI_DHCP6_PACKET **NewPacket OPTIONAL\r | |
426 | )\r | |
427 | {\r | |
95b5c32f FS |
428 | HTTP_BOOT_PRIVATE_DATA *Private;\r |
429 | EFI_DHCP6_PACKET *SelectAd;\r | |
430 | EFI_STATUS Status;\r | |
431 | BOOLEAN Received;\r | |
f75a7f56 | 432 | \r |
95b5c32f FS |
433 | if ((Dhcp6Event != Dhcp6SendSolicit) &&\r |
434 | (Dhcp6Event != Dhcp6RcvdAdvertise) &&\r | |
435 | (Dhcp6Event != Dhcp6SendRequest) &&\r | |
436 | (Dhcp6Event != Dhcp6RcvdReply) &&\r | |
437 | (Dhcp6Event != Dhcp6SelectAdvertise)) {\r | |
438 | return EFI_SUCCESS;\r | |
439 | }\r | |
b659408b | 440 | \r |
95b5c32f | 441 | ASSERT (Packet != NULL);\r |
f75a7f56 | 442 | \r |
95b5c32f FS |
443 | Private = (HTTP_BOOT_PRIVATE_DATA *) Context;\r |
444 | Status = EFI_SUCCESS;\r | |
445 | if (Private->HttpBootCallback != NULL && Dhcp6Event != Dhcp6SelectAdvertise) {\r | |
446 | Received = (BOOLEAN) (Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);\r | |
447 | Status = Private->HttpBootCallback->Callback (\r | |
f75a7f56 | 448 | Private->HttpBootCallback,\r |
95b5c32f FS |
449 | HttpBootDhcp6,\r |
450 | Received,\r | |
451 | Packet->Length,\r | |
452 | &Packet->Dhcp6\r | |
453 | );\r | |
454 | if (EFI_ERROR (Status)) {\r | |
455 | return EFI_ABORTED;\r | |
456 | }\r | |
457 | }\r | |
458 | switch (Dhcp6Event) {\r | |
f75a7f56 | 459 | \r |
95b5c32f FS |
460 | case Dhcp6RcvdAdvertise:\r |
461 | Status = EFI_NOT_READY;\r | |
632dcfd6 FS |
462 | if (Packet->Length > HTTP_BOOT_DHCP6_PACKET_MAX_SIZE) {\r |
463 | //\r | |
464 | // Ignore the incoming packets which exceed the maximum length.\r | |
465 | //\r | |
466 | break;\r | |
467 | }\r | |
95b5c32f FS |
468 | if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {\r |
469 | //\r | |
470 | // Cache the dhcp offers to OfferBuffer[] for select later, and record\r | |
471 | // the OfferIndex and OfferCount.\r | |
472 | // If error happens, just ignore this packet and continue to wait more offer.\r | |
473 | //\r | |
474 | HttpBootCacheDhcp6Offer (Private, Packet);\r | |
475 | }\r | |
476 | break;\r | |
477 | \r | |
478 | case Dhcp6SelectAdvertise:\r | |
479 | //\r | |
480 | // Select offer by the default policy or by order, and record the SelectIndex\r | |
481 | // and SelectProxyType.\r | |
482 | //\r | |
483 | HttpBootSelectDhcpOffer (Private);\r | |
484 | \r | |
485 | if (Private->SelectIndex == 0) {\r | |
486 | Status = EFI_ABORTED;\r | |
487 | } else {\r | |
488 | ASSERT (NewPacket != NULL);\r | |
489 | SelectAd = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp6.Packet.Offer;\r | |
490 | *NewPacket = AllocateZeroPool (SelectAd->Size);\r | |
491 | if (*NewPacket == NULL) {\r | |
492 | return EFI_OUT_OF_RESOURCES;\r | |
493 | }\r | |
494 | CopyMem (*NewPacket, SelectAd, SelectAd->Size);\r | |
495 | }\r | |
496 | break;\r | |
f75a7f56 | 497 | \r |
95b5c32f FS |
498 | default:\r |
499 | break;\r | |
b659408b ZL |
500 | }\r |
501 | \r | |
f75a7f56 | 502 | return Status;\r |
b659408b ZL |
503 | }\r |
504 | \r | |
505 | /**\r | |
506 | Check whether IP driver could route the message which will be sent to ServerIp address.\r | |
f75a7f56 | 507 | \r |
b659408b ZL |
508 | This function will check the IP6 route table every 1 seconds until specified timeout is expired, if a valid\r |
509 | route is found in IP6 route table, the address will be filed in GatewayAddr and return.\r | |
510 | \r | |
511 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
512 | @param[in] TimeOutInSecond Timeout value in seconds.\r | |
513 | @param[out] GatewayAddr Pointer to store the gateway IP address.\r | |
514 | \r | |
515 | @retval EFI_SUCCESS Found a valid gateway address successfully.\r | |
516 | @retval EFI_TIMEOUT The operation is time out.\r | |
517 | @retval Other Unexpect error happened.\r | |
f75a7f56 | 518 | \r |
b659408b ZL |
519 | **/\r |
520 | EFI_STATUS\r | |
521 | HttpBootCheckRouteTable (\r | |
522 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
523 | IN UINTN TimeOutInSecond,\r | |
524 | OUT EFI_IPv6_ADDRESS *GatewayAddr\r | |
525 | )\r | |
526 | {\r | |
527 | EFI_STATUS Status;\r | |
528 | EFI_IP6_PROTOCOL *Ip6;\r | |
529 | EFI_IP6_MODE_DATA Ip6ModeData;\r | |
530 | UINTN Index;\r | |
531 | EFI_EVENT TimeOutEvt;\r | |
532 | UINTN RetryCount;\r | |
533 | BOOLEAN GatewayIsFound;\r | |
534 | \r | |
535 | ASSERT (GatewayAddr != NULL);\r | |
536 | ASSERT (Private != NULL);\r | |
537 | \r | |
538 | Ip6 = Private->Ip6;\r | |
539 | GatewayIsFound = FALSE;\r | |
540 | RetryCount = 0;\r | |
541 | TimeOutEvt = NULL;\r | |
542 | Status = EFI_SUCCESS;\r | |
543 | ZeroMem (GatewayAddr, sizeof (EFI_IPv6_ADDRESS));\r | |
544 | \r | |
545 | while (TRUE) {\r | |
546 | Status = Ip6->GetModeData (Ip6, &Ip6ModeData, NULL, NULL);\r | |
547 | if (EFI_ERROR (Status)) {\r | |
548 | goto ON_EXIT;\r | |
549 | }\r | |
f75a7f56 | 550 | \r |
b659408b ZL |
551 | //\r |
552 | // Find out the gateway address which can route the message which send to ServerIp.\r | |
553 | //\r | |
554 | for (Index = 0; Index < Ip6ModeData.RouteCount; Index++) {\r | |
555 | if (NetIp6IsNetEqual (&Private->ServerIp.v6, &Ip6ModeData.RouteTable[Index].Destination, Ip6ModeData.RouteTable[Index].PrefixLength)) {\r | |
556 | IP6_COPY_ADDRESS (GatewayAddr, &Ip6ModeData.RouteTable[Index].Gateway);\r | |
557 | GatewayIsFound = TRUE;\r | |
558 | break;\r | |
559 | }\r | |
560 | }\r | |
561 | \r | |
562 | if (Ip6ModeData.AddressList != NULL) {\r | |
563 | FreePool (Ip6ModeData.AddressList);\r | |
564 | }\r | |
565 | if (Ip6ModeData.GroupTable != NULL) {\r | |
566 | FreePool (Ip6ModeData.GroupTable);\r | |
567 | }\r | |
568 | if (Ip6ModeData.RouteTable != NULL) {\r | |
569 | FreePool (Ip6ModeData.RouteTable);\r | |
570 | }\r | |
571 | if (Ip6ModeData.NeighborCache != NULL) {\r | |
572 | FreePool (Ip6ModeData.NeighborCache);\r | |
573 | }\r | |
574 | if (Ip6ModeData.PrefixTable != NULL) {\r | |
575 | FreePool (Ip6ModeData.PrefixTable);\r | |
576 | }\r | |
577 | if (Ip6ModeData.IcmpTypeList != NULL) {\r | |
578 | FreePool (Ip6ModeData.IcmpTypeList);\r | |
579 | }\r | |
f75a7f56 | 580 | \r |
b659408b ZL |
581 | if (GatewayIsFound || RetryCount == TimeOutInSecond) {\r |
582 | break;\r | |
583 | }\r | |
f75a7f56 | 584 | \r |
b659408b | 585 | RetryCount++;\r |
f75a7f56 | 586 | \r |
b659408b ZL |
587 | //\r |
588 | // Delay 1 second then recheck it again.\r | |
589 | //\r | |
590 | if (TimeOutEvt == NULL) {\r | |
591 | Status = gBS->CreateEvent (\r | |
592 | EVT_TIMER,\r | |
593 | TPL_CALLBACK,\r | |
594 | NULL,\r | |
595 | NULL,\r | |
596 | &TimeOutEvt\r | |
597 | );\r | |
598 | if (EFI_ERROR (Status)) {\r | |
599 | goto ON_EXIT;\r | |
600 | }\r | |
601 | }\r | |
602 | \r | |
603 | Status = gBS->SetTimer (TimeOutEvt, TimerRelative, TICKS_PER_SECOND);\r | |
604 | if (EFI_ERROR (Status)) {\r | |
605 | goto ON_EXIT;\r | |
606 | }\r | |
607 | while (EFI_ERROR (gBS->CheckEvent (TimeOutEvt))) {\r | |
608 | Ip6->Poll (Ip6);\r | |
609 | }\r | |
610 | }\r | |
f75a7f56 | 611 | \r |
b659408b ZL |
612 | ON_EXIT:\r |
613 | if (TimeOutEvt != NULL) {\r | |
614 | gBS->CloseEvent (TimeOutEvt);\r | |
615 | }\r | |
f75a7f56 | 616 | \r |
b659408b ZL |
617 | if (GatewayIsFound) {\r |
618 | Status = EFI_SUCCESS;\r | |
619 | } else if (RetryCount == TimeOutInSecond) {\r | |
620 | Status = EFI_TIMEOUT;\r | |
621 | }\r | |
622 | \r | |
f75a7f56 | 623 | return Status;\r |
b659408b ZL |
624 | }\r |
625 | \r | |
626 | /**\r | |
627 | Set the IP6 policy to Automatic.\r | |
628 | \r | |
629 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
630 | \r | |
631 | @retval EFI_SUCCESS Switch the IP policy succesfully.\r | |
632 | @retval Others Unexpect error happened.\r | |
633 | \r | |
634 | **/\r | |
635 | EFI_STATUS\r | |
636 | HttpBootSetIp6Policy (\r | |
637 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
638 | )\r | |
639 | {\r | |
640 | EFI_IP6_CONFIG_POLICY Policy;\r | |
641 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
642 | EFI_STATUS Status;\r | |
643 | UINTN DataSize;\r | |
644 | \r | |
645 | Ip6Config = Private->Ip6Config;\r | |
646 | DataSize = sizeof (EFI_IP6_CONFIG_POLICY);\r | |
f75a7f56 | 647 | \r |
b659408b ZL |
648 | //\r |
649 | // Get and store the current policy of IP6 driver.\r | |
650 | //\r | |
651 | Status = Ip6Config->GetData (\r | |
652 | Ip6Config,\r | |
653 | Ip6ConfigDataTypePolicy,\r | |
654 | &DataSize,\r | |
655 | &Policy\r | |
656 | );\r | |
657 | if (EFI_ERROR (Status)) {\r | |
658 | return Status;\r | |
659 | }\r | |
660 | \r | |
661 | if (Policy == Ip6ConfigPolicyManual) {\r | |
662 | Policy = Ip6ConfigPolicyAutomatic;\r | |
663 | Status = Ip6Config->SetData (\r | |
664 | Ip6Config,\r | |
665 | Ip6ConfigDataTypePolicy,\r | |
666 | sizeof(EFI_IP6_CONFIG_POLICY),\r | |
667 | &Policy\r | |
668 | );\r | |
669 | if (EFI_ERROR (Status)) {\r | |
670 | return Status;\r | |
671 | }\r | |
672 | }\r | |
673 | return EFI_SUCCESS;\r | |
674 | }\r | |
675 | \r | |
676 | /**\r | |
677 | This function will register the default DNS addresses to the network device.\r | |
f75a7f56 | 678 | \r |
b659408b ZL |
679 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r |
680 | @param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes.\r | |
681 | @param[in] DnsServerData Point a list of DNS server address in an array\r | |
682 | of EFI_IPv6_ADDRESS instances.\r | |
683 | \r | |
684 | @retval EFI_SUCCESS The DNS configuration has been configured successfully.\r | |
685 | @retval Others Failed to configure the address.\r | |
686 | \r | |
687 | **/\r | |
688 | EFI_STATUS\r | |
689 | HttpBootSetIp6Dns (\r | |
690 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
691 | IN UINTN DataLength,\r | |
692 | IN VOID *DnsServerData\r | |
693 | )\r | |
694 | {\r | |
695 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
f75a7f56 | 696 | \r |
b659408b ZL |
697 | ASSERT (Private->UsingIpv6);\r |
698 | \r | |
699 | Ip6Config = Private->Ip6Config;\r | |
f75a7f56 | 700 | \r |
b659408b ZL |
701 | return Ip6Config->SetData (\r |
702 | Ip6Config,\r | |
703 | Ip6ConfigDataTypeDnsServer,\r | |
704 | DataLength,\r | |
705 | DnsServerData\r | |
706 | );\r | |
707 | }\r | |
708 | \r | |
709 | /**\r | |
710 | This function will register the IPv6 gateway address to the network device.\r | |
f75a7f56 | 711 | \r |
b659408b ZL |
712 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r |
713 | \r | |
714 | @retval EFI_SUCCESS The new IP configuration has been configured successfully.\r | |
715 | @retval Others Failed to configure the address.\r | |
716 | \r | |
717 | **/\r | |
718 | EFI_STATUS\r | |
719 | HttpBootSetIp6Gateway (\r | |
720 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
721 | )\r | |
722 | {\r | |
723 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
724 | EFI_STATUS Status;\r | |
725 | \r | |
726 | ASSERT (Private->UsingIpv6);\r | |
727 | Ip6Config = Private->Ip6Config;\r | |
f75a7f56 | 728 | \r |
b659408b | 729 | //\r |
f75a7f56 | 730 | // Set the default gateway address.\r |
b659408b ZL |
731 | //\r |
732 | if (!Private->NoGateway && !NetIp6IsUnspecifiedAddr (&Private->GatewayIp.v6)) {\r | |
733 | Status = Ip6Config->SetData (\r | |
734 | Ip6Config,\r | |
735 | Ip6ConfigDataTypeGateway,\r | |
736 | sizeof (EFI_IPv6_ADDRESS),\r | |
737 | &Private->GatewayIp.v6\r | |
738 | );\r | |
739 | if (EFI_ERROR(Status)) {\r | |
740 | return Status;\r | |
741 | }\r | |
742 | }\r | |
743 | \r | |
744 | return EFI_SUCCESS;\r | |
745 | }\r | |
746 | \r | |
747 | /**\r | |
748 | This function will register the station IP address.\r | |
f75a7f56 | 749 | \r |
b659408b ZL |
750 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r |
751 | \r | |
752 | @retval EFI_SUCCESS The new IP address has been configured successfully.\r | |
753 | @retval Others Failed to configure the address.\r | |
754 | \r | |
755 | **/\r | |
756 | EFI_STATUS\r | |
757 | HttpBootSetIp6Address (\r | |
758 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
759 | )\r | |
760 | {\r | |
761 | EFI_STATUS Status;\r | |
762 | EFI_IP6_PROTOCOL *Ip6;\r | |
763 | EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;\r | |
764 | EFI_IP6_CONFIG_POLICY Policy;\r | |
765 | EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;\r | |
766 | EFI_IPv6_ADDRESS *Ip6Addr;\r | |
767 | EFI_IPv6_ADDRESS GatewayAddr;\r | |
768 | EFI_IP6_CONFIG_DATA Ip6CfgData;\r | |
f75a7f56 | 769 | EFI_EVENT MappedEvt;\r |
b659408b ZL |
770 | UINTN DataSize;\r |
771 | BOOLEAN IsAddressOk;\r | |
772 | UINTN Index;\r | |
773 | \r | |
774 | ASSERT (Private->UsingIpv6);\r | |
f75a7f56 | 775 | \r |
b659408b ZL |
776 | MappedEvt = NULL;\r |
777 | IsAddressOk = FALSE;\r | |
778 | Ip6Addr = NULL;\r | |
779 | Ip6Cfg = Private->Ip6Config;\r | |
780 | Ip6 = Private->Ip6;\r | |
f75a7f56 | 781 | \r |
b659408b ZL |
782 | ZeroMem (&CfgAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));\r |
783 | CopyMem (&CfgAddr, &Private->StationIp.v6, sizeof (EFI_IPv6_ADDRESS));\r | |
784 | ZeroMem (&Ip6CfgData, sizeof (EFI_IP6_CONFIG_DATA));\r | |
f75a7f56 | 785 | \r |
b659408b ZL |
786 | Ip6CfgData.AcceptIcmpErrors = TRUE;\r |
787 | Ip6CfgData.DefaultProtocol = IP6_ICMP;\r | |
788 | Ip6CfgData.HopLimit = HTTP_BOOT_DEFAULT_HOPLIMIT;\r | |
789 | Ip6CfgData.ReceiveTimeout = HTTP_BOOT_DEFAULT_LIFETIME;\r | |
790 | Ip6CfgData.TransmitTimeout = HTTP_BOOT_DEFAULT_LIFETIME;\r | |
f75a7f56 | 791 | \r |
b659408b ZL |
792 | Status = Ip6->Configure (Ip6, &Ip6CfgData);\r |
793 | if (EFI_ERROR (Status)) {\r | |
794 | goto ON_EXIT;\r | |
795 | }\r | |
796 | \r | |
797 | //\r | |
798 | // Retrieve the gateway address from IP6 route table.\r | |
799 | //\r | |
800 | Status = HttpBootCheckRouteTable (Private, HTTP_BOOT_IP6_ROUTE_TABLE_TIMEOUT, &GatewayAddr);\r | |
801 | if (EFI_ERROR (Status)) {\r | |
802 | Private->NoGateway = TRUE;\r | |
803 | } else {\r | |
804 | IP6_COPY_ADDRESS (&Private->GatewayIp.v6, &GatewayAddr);\r | |
805 | }\r | |
806 | \r | |
807 | //\r | |
808 | // Set the new address by Ip6ConfigProtocol manually.\r | |
809 | //\r | |
810 | Policy = Ip6ConfigPolicyManual;\r | |
811 | Status = Ip6Cfg->SetData (\r | |
812 | Ip6Cfg,\r | |
813 | Ip6ConfigDataTypePolicy,\r | |
814 | sizeof(EFI_IP6_CONFIG_POLICY),\r | |
815 | &Policy\r | |
816 | );\r | |
817 | if (EFI_ERROR (Status)) {\r | |
818 | goto ON_EXIT;\r | |
819 | }\r | |
f75a7f56 | 820 | \r |
b659408b ZL |
821 | //\r |
822 | // Create a notify event to set address flag when DAD if IP6 driver succeeded.\r | |
823 | //\r | |
824 | Status = gBS->CreateEvent (\r | |
825 | EVT_NOTIFY_SIGNAL,\r | |
826 | TPL_NOTIFY,\r | |
827 | HttpBootCommonNotify,\r | |
828 | &IsAddressOk,\r | |
829 | &MappedEvt\r | |
830 | );\r | |
831 | if (EFI_ERROR (Status)) {\r | |
832 | goto ON_EXIT;\r | |
833 | }\r | |
f75a7f56 | 834 | \r |
b659408b ZL |
835 | //\r |
836 | // Set static host ip6 address. This is a asynchronous process.\r | |
837 | //\r | |
838 | Status = Ip6Cfg->RegisterDataNotify (\r | |
839 | Ip6Cfg,\r | |
840 | Ip6ConfigDataTypeManualAddress,\r | |
841 | MappedEvt\r | |
842 | );\r | |
843 | if (EFI_ERROR(Status)) {\r | |
844 | goto ON_EXIT;\r | |
845 | }\r | |
846 | \r | |
847 | Status = Ip6Cfg->SetData (\r | |
848 | Ip6Cfg,\r | |
849 | Ip6ConfigDataTypeManualAddress,\r | |
850 | sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS),\r | |
851 | &CfgAddr\r | |
f75a7f56 | 852 | );\r |
b659408b ZL |
853 | if (EFI_ERROR (Status) && Status != EFI_NOT_READY) {\r |
854 | goto ON_EXIT;\r | |
855 | } else if (Status == EFI_NOT_READY) {\r | |
856 | //\r | |
857 | // Poll the network until the asynchronous process is finished.\r | |
858 | //\r | |
859 | while (!IsAddressOk) {\r | |
860 | Ip6->Poll (Ip6);\r | |
861 | }\r | |
862 | //\r | |
863 | // Check whether the Ip6 Address setting is successed.\r | |
864 | //\r | |
865 | DataSize = 0;\r | |
866 | Status = Ip6Cfg->GetData (\r | |
867 | Ip6Cfg,\r | |
868 | Ip6ConfigDataTypeManualAddress,\r | |
869 | &DataSize,\r | |
870 | NULL\r | |
871 | );\r | |
872 | if (Status != EFI_BUFFER_TOO_SMALL || DataSize == 0) {\r | |
873 | Status = EFI_DEVICE_ERROR;\r | |
874 | goto ON_EXIT;\r | |
875 | }\r | |
f75a7f56 | 876 | \r |
b659408b ZL |
877 | Ip6Addr = AllocatePool (DataSize);\r |
878 | if (Ip6Addr == NULL) {\r | |
879 | return EFI_OUT_OF_RESOURCES;\r | |
880 | }\r | |
881 | Status = Ip6Cfg->GetData (\r | |
882 | Ip6Cfg,\r | |
883 | Ip6ConfigDataTypeManualAddress,\r | |
884 | &DataSize,\r | |
885 | (VOID *) Ip6Addr\r | |
886 | );\r | |
887 | if (EFI_ERROR (Status)) {\r | |
888 | Status = EFI_DEVICE_ERROR;\r | |
889 | goto ON_EXIT;\r | |
890 | }\r | |
891 | \r | |
892 | for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index ++) {\r | |
893 | if (CompareMem (Ip6Addr + Index, &CfgAddr, sizeof (EFI_IPv6_ADDRESS)) == 0) {\r | |
894 | break;\r | |
895 | }\r | |
896 | }\r | |
897 | if (Index == DataSize / sizeof (EFI_IPv6_ADDRESS)) {\r | |
898 | Status = EFI_ABORTED;\r | |
899 | goto ON_EXIT;\r | |
f75a7f56 | 900 | }\r |
b659408b | 901 | }\r |
f75a7f56 | 902 | \r |
b659408b ZL |
903 | ON_EXIT:\r |
904 | if (MappedEvt != NULL) {\r | |
905 | Ip6Cfg->UnregisterDataNotify (\r | |
906 | Ip6Cfg,\r | |
907 | Ip6ConfigDataTypeManualAddress,\r | |
908 | MappedEvt\r | |
909 | );\r | |
910 | gBS->CloseEvent (MappedEvt);\r | |
911 | }\r | |
912 | \r | |
913 | if (Ip6Addr != NULL) {\r | |
914 | FreePool (Ip6Addr);\r | |
915 | }\r | |
f75a7f56 LG |
916 | \r |
917 | return Status;\r | |
b659408b ZL |
918 | }\r |
919 | \r | |
920 | /**\r | |
921 | Start the S.A.R.R DHCPv6 process to acquire the IPv6 address and other Http boot information.\r | |
922 | \r | |
923 | @param[in] Private Pointer to HTTP_BOOT private data.\r | |
924 | \r | |
925 | @retval EFI_SUCCESS The S.A.R.R process successfully finished.\r | |
926 | @retval Others Failed to finish the S.A.R.R process.\r | |
927 | \r | |
928 | **/\r | |
929 | EFI_STATUS\r | |
930 | HttpBootDhcp6Sarr (\r | |
931 | IN HTTP_BOOT_PRIVATE_DATA *Private\r | |
932 | )\r | |
933 | {\r | |
934 | EFI_DHCP6_PROTOCOL *Dhcp6;\r | |
935 | EFI_DHCP6_CONFIG_DATA Config;\r | |
936 | EFI_DHCP6_MODE_DATA Mode;\r | |
937 | EFI_DHCP6_RETRANSMISSION *Retransmit;\r | |
938 | EFI_DHCP6_PACKET_OPTION *OptList[HTTP_BOOT_DHCP6_OPTION_MAX_NUM];\r | |
939 | UINT32 OptCount;\r | |
940 | UINT8 Buffer[HTTP_BOOT_DHCP6_OPTION_MAX_SIZE];\r | |
941 | EFI_STATUS Status;\r | |
942 | \r | |
943 | Dhcp6 = Private->Dhcp6;\r | |
944 | ASSERT (Dhcp6 != NULL);\r | |
945 | \r | |
946 | //\r | |
947 | // Build options list for the request packet.\r | |
948 | //\r | |
949 | OptCount = HttpBootBuildDhcp6Options (Private, OptList, Buffer);\r | |
950 | ASSERT (OptCount >0);\r | |
f75a7f56 | 951 | \r |
b659408b ZL |
952 | Retransmit = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));\r |
953 | if (Retransmit == NULL) {\r | |
954 | return EFI_OUT_OF_RESOURCES;\r | |
955 | }\r | |
f75a7f56 | 956 | \r |
b659408b ZL |
957 | ZeroMem (&Mode, sizeof (EFI_DHCP6_MODE_DATA));\r |
958 | ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));\r | |
f75a7f56 | 959 | \r |
b659408b ZL |
960 | Config.OptionCount = OptCount;\r |
961 | Config.OptionList = OptList;\r | |
962 | Config.Dhcp6Callback = HttpBootDhcp6CallBack;\r | |
963 | Config.CallbackContext = Private;\r | |
964 | Config.IaInfoEvent = NULL;\r | |
965 | Config.RapidCommit = FALSE;\r | |
966 | Config.ReconfigureAccept = FALSE;\r | |
967 | Config.IaDescriptor.IaId = NET_RANDOM (NetRandomInitSeed ());\r | |
968 | Config.IaDescriptor.Type = EFI_DHCP6_IA_TYPE_NA;\r | |
969 | Config.SolicitRetransmission = Retransmit;\r | |
970 | Retransmit->Irt = 4;\r | |
971 | Retransmit->Mrc = 4;\r | |
972 | Retransmit->Mrt = 32;\r | |
973 | Retransmit->Mrd = 60;\r | |
f75a7f56 | 974 | \r |
b659408b ZL |
975 | //\r |
976 | // Configure the DHCPv6 instance for HTTP boot.\r | |
977 | //\r | |
978 | Status = Dhcp6->Configure (Dhcp6, &Config);\r | |
979 | FreePool (Retransmit);\r | |
980 | if (EFI_ERROR (Status)) {\r | |
981 | goto ON_EXIT;\r | |
982 | }\r | |
983 | //\r | |
984 | // Initialize the record fields for DHCPv6 offer in private data.\r | |
985 | //\r | |
986 | Private->OfferNum = 0;\r | |
987 | Private->SelectIndex = 0;\r | |
988 | ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));\r | |
989 | ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));\r | |
f75a7f56 | 990 | \r |
b659408b ZL |
991 | //\r |
992 | // Start DHCPv6 S.A.R.R. process to acquire IPv6 address.\r | |
993 | //\r | |
994 | Status = Dhcp6->Start (Dhcp6);\r | |
995 | if (EFI_ERROR (Status)) {\r | |
996 | goto ON_EXIT;\r | |
997 | }\r | |
f75a7f56 | 998 | \r |
b659408b ZL |
999 | //\r |
1000 | // Get the acquired IPv6 address and store them.\r | |
1001 | //\r | |
1002 | Status = Dhcp6->GetModeData (Dhcp6, &Mode, NULL);\r | |
1003 | if (EFI_ERROR (Status)) {\r | |
1004 | goto ON_EXIT;\r | |
1005 | }\r | |
f75a7f56 | 1006 | \r |
b659408b ZL |
1007 | ASSERT (Mode.Ia->State == Dhcp6Bound);\r |
1008 | CopyMem (&Private->StationIp.v6, &Mode.Ia->IaAddress[0].IpAddress, sizeof (EFI_IPv6_ADDRESS));\r | |
f75a7f56 | 1009 | \r |
b659408b ZL |
1010 | AsciiPrint ("\n Station IPv6 address is ");\r |
1011 | HttpBootShowIp6Addr (&Private->StationIp.v6);\r | |
1012 | AsciiPrint ("\n");\r | |
f75a7f56 | 1013 | \r |
b659408b ZL |
1014 | ON_EXIT:\r |
1015 | if (EFI_ERROR (Status)) {\r | |
1016 | Dhcp6->Stop (Dhcp6);\r | |
1017 | Dhcp6->Configure (Dhcp6, NULL);\r | |
1018 | } else {\r | |
1019 | ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));\r | |
b659408b | 1020 | Dhcp6->Configure (Dhcp6, &Config);\r |
ce22514e ZL |
1021 | if (Mode.ClientId != NULL) {\r |
1022 | FreePool (Mode.ClientId);\r | |
1023 | }\r | |
1024 | if (Mode.Ia != NULL) {\r | |
1025 | FreePool (Mode.Ia);\r | |
1026 | }\r | |
b659408b ZL |
1027 | }\r |
1028 | \r | |
f75a7f56 LG |
1029 | return Status;\r |
1030 | \r | |
b659408b ZL |
1031 | }\r |
1032 | \r |