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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 | |
d1050b9d MK |
23 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r |
24 | OUT EFI_DHCP6_PACKET_OPTION **OptList,\r | |
25 | IN UINT8 *Buffer\r | |
b659408b ZL |
26 | )\r |
27 | {\r | |
d1050b9d MK |
28 | HTTP_BOOT_DHCP6_OPTION_ENTRY OptEnt;\r |
29 | UINT16 Value;\r | |
30 | UINT32 Index;\r | |
b659408b ZL |
31 | \r |
32 | Index = 0;\r | |
d1050b9d | 33 | OptList[0] = (EFI_DHCP6_PACKET_OPTION *)Buffer;\r |
b659408b ZL |
34 | \r |
35 | //\r | |
36 | // Append client option request option\r | |
37 | //\r | |
d1050b9d MK |
38 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_ORO);\r |
39 | OptList[Index]->OpLen = HTONS (8);\r | |
40 | OptEnt.Oro = (HTTP_BOOT_DHCP6_OPTION_ORO *)OptList[Index]->Data;\r | |
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 | 45 | Index++;\r |
d1050b9d | 46 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r |
b659408b ZL |
47 | \r |
48 | //\r | |
49 | // Append client network device interface option\r | |
50 | //\r | |
d1050b9d MK |
51 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_UNDI);\r |
52 | OptList[Index]->OpLen = HTONS ((UINT16)3);\r | |
53 | OptEnt.Undi = (HTTP_BOOT_DHCP6_OPTION_UNDI *)OptList[Index]->Data;\r | |
b659408b ZL |
54 | \r |
55 | if (Private->Nii != NULL) {\r | |
d1050b9d MK |
56 | OptEnt.Undi->Type = Private->Nii->Type;\r |
57 | OptEnt.Undi->MajorVer = Private->Nii->MajorVer;\r | |
58 | OptEnt.Undi->MinorVer = Private->Nii->MinorVer;\r | |
b659408b | 59 | } else {\r |
d1050b9d MK |
60 | OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;\r |
61 | OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;\r | |
62 | OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;\r | |
b659408b ZL |
63 | }\r |
64 | \r | |
65 | Index++;\r | |
d1050b9d | 66 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r |
b659408b ZL |
67 | \r |
68 | //\r | |
69 | // Append client system architecture option\r | |
70 | //\r | |
d1050b9d MK |
71 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_ARCH);\r |
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 | |
b659408b ZL |
75 | CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));\r |
76 | Index++;\r | |
d1050b9d | 77 | OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);\r |
b659408b ZL |
78 | \r |
79 | //\r | |
80 | // Append vendor class identify option.\r | |
81 | //\r | |
142c00c3 | 82 | OptList[Index]->OpCode = HTONS (DHCP6_OPT_VENDOR_CLASS);\r |
d1050b9d MK |
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 | |
b659408b | 85 | OptEnt.VendorClass->Vendor = HTONL (HTTP_BOOT_DHCP6_ENTERPRISE_NUM);\r |
d1050b9d | 86 | OptEnt.VendorClass->ClassLen = HTONS ((UINT16)sizeof (HTTP_BOOT_CLASS_ID));\r |
b659408b ZL |
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 | |
c36b7b51 | 129 | @retval Others The position of the required option in buffer.\r |
b659408b ZL |
130 | \r |
131 | **/\r | |
132 | EFI_DHCP6_PACKET_OPTION *\r | |
133 | HttpBootParseDhcp6Options (\r | |
d1050b9d MK |
134 | IN UINT8 *Buffer,\r |
135 | IN UINT32 Length,\r | |
136 | IN UINT16 OptTag\r | |
b659408b ZL |
137 | )\r |
138 | {\r | |
d1050b9d MK |
139 | EFI_DHCP6_PACKET_OPTION *Option;\r |
140 | UINT32 Offset;\r | |
b659408b | 141 | \r |
d1050b9d MK |
142 | Option = (EFI_DHCP6_PACKET_OPTION *)Buffer;\r |
143 | Offset = 0;\r | |
b659408b ZL |
144 | \r |
145 | //\r | |
146 | // OpLen and OpCode here are both stored in network order.\r | |
147 | //\r | |
148 | while (Offset < Length) {\r | |
b659408b | 149 | if (NTOHS (Option->OpCode) == OptTag) {\r |
b659408b ZL |
150 | return Option;\r |
151 | }\r | |
152 | \r | |
d1050b9d MK |
153 | Offset += (NTOHS (Option->OpLen) + 4);\r |
154 | Option = (EFI_DHCP6_PACKET_OPTION *)(Buffer + Offset);\r | |
b659408b ZL |
155 | }\r |
156 | \r | |
157 | return NULL;\r | |
b659408b ZL |
158 | }\r |
159 | \r | |
160 | /**\r | |
161 | Parse the cached DHCPv6 packet, including all the options.\r | |
162 | \r | |
163 | @param[in] Cache6 The pointer to a cached DHCPv6 packet.\r | |
164 | \r | |
165 | @retval EFI_SUCCESS Parsed the DHCPv6 packet successfully.\r | |
166 | @retval EFI_DEVICE_ERROR Failed to parse and invalid the packet.\r | |
167 | \r | |
168 | **/\r | |
169 | EFI_STATUS\r | |
170 | HttpBootParseDhcp6Packet (\r | |
d1050b9d | 171 | IN HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6\r |
b659408b ZL |
172 | )\r |
173 | {\r | |
d1050b9d MK |
174 | EFI_DHCP6_PACKET *Offer;\r |
175 | EFI_DHCP6_PACKET_OPTION **Options;\r | |
176 | EFI_DHCP6_PACKET_OPTION *Option;\r | |
177 | HTTP_BOOT_OFFER_TYPE OfferType;\r | |
178 | EFI_IPv6_ADDRESS IpAddr;\r | |
179 | BOOLEAN IsProxyOffer;\r | |
180 | BOOLEAN IsHttpOffer;\r | |
181 | BOOLEAN IsDnsOffer;\r | |
182 | BOOLEAN IpExpressedUri;\r | |
183 | EFI_STATUS Status;\r | |
184 | UINT32 Offset;\r | |
185 | UINT32 Length;\r | |
f75a7f56 | 186 | \r |
b659408b ZL |
187 | IsDnsOffer = FALSE;\r |
188 | IpExpressedUri = FALSE;\r | |
189 | IsProxyOffer = TRUE;\r | |
190 | IsHttpOffer = FALSE;\r | |
d1050b9d MK |
191 | Offer = &Cache6->Packet.Offer;\r |
192 | Options = Cache6->OptList;\r | |
f75a7f56 | 193 | \r |
b659408b ZL |
194 | ZeroMem (Cache6->OptList, sizeof (Cache6->OptList));\r |
195 | \r | |
d1050b9d MK |
196 | Option = (EFI_DHCP6_PACKET_OPTION *)(Offer->Dhcp6.Option);\r |
197 | Offset = 0;\r | |
198 | Length = GET_DHCP6_OPTION_SIZE (Offer);\r | |
b659408b ZL |
199 | \r |
200 | //\r | |
201 | // OpLen and OpCode here are both stored in network order, since they are from original packet.\r | |
202 | //\r | |
203 | while (Offset < Length) {\r | |
142c00c3 | 204 | if (NTOHS (Option->OpCode) == DHCP6_OPT_IA_NA) {\r |
b659408b | 205 | Options[HTTP_BOOT_DHCP6_IDX_IA_NA] = Option;\r |
142c00c3 | 206 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_URL) {\r |
b659408b ZL |
207 | //\r |
208 | // The server sends this option to inform the client about an URL to a boot file.\r | |
209 | //\r | |
210 | Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] = Option;\r | |
142c00c3 | 211 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_PARAM) {\r |
b659408b | 212 | Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_PARAM] = Option;\r |
142c00c3 | 213 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_VENDOR_CLASS) {\r |
b659408b | 214 | Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS] = Option;\r |
142c00c3 | 215 | } else if (NTOHS (Option->OpCode) == DHCP6_OPT_DNS_SERVERS) {\r |
b659408b ZL |
216 | Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER] = Option;\r |
217 | }\r | |
218 | \r | |
219 | Offset += (NTOHS (Option->OpLen) + 4);\r | |
d1050b9d | 220 | Option = (EFI_DHCP6_PACKET_OPTION *)(Offer->Dhcp6.Option + Offset);\r |
b659408b | 221 | }\r |
d1050b9d | 222 | \r |
b659408b ZL |
223 | //\r |
224 | // The offer with assigned client address is NOT a proxy offer.\r | |
c36b7b51 | 225 | // An ia_na option, embedded with valid ia_addr option and a status_code of success.\r |
b659408b ZL |
226 | //\r |
227 | Option = Options[HTTP_BOOT_DHCP6_IDX_IA_NA];\r | |
228 | if (Option != NULL) {\r | |
229 | Option = HttpBootParseDhcp6Options (\r | |
230 | Option->Data + 12,\r | |
231 | NTOHS (Option->OpLen),\r | |
142c00c3 | 232 | DHCP6_OPT_STATUS_CODE\r |
b659408b | 233 | );\r |
d1050b9d | 234 | if (((Option != NULL) && (Option->Data[0] == 0)) || (Option == NULL)) {\r |
b659408b ZL |
235 | IsProxyOffer = FALSE;\r |
236 | }\r | |
237 | }\r | |
238 | \r | |
239 | //\r | |
240 | // The offer with "HTTPClient" is a Http offer.\r | |
241 | //\r | |
242 | Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS];\r | |
243 | \r | |
d1050b9d MK |
244 | if ((Option != NULL) &&\r |
245 | (NTOHS (Option->OpLen) >= 16) &&\r | |
246 | (CompareMem ((Option->Data + 6), DEFAULT_CLASS_ID_DATA, 10) == 0))\r | |
247 | {\r | |
248 | IsHttpOffer = TRUE;\r | |
b659408b ZL |
249 | }\r |
250 | \r | |
251 | //\r | |
252 | // The offer with Domain Server is a DNS offer.\r | |
253 | //\r | |
254 | Option = Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER];\r | |
255 | if (Option != NULL) {\r | |
256 | IsDnsOffer = TRUE;\r | |
257 | }\r | |
258 | \r | |
259 | //\r | |
260 | // Http offer must have a boot URI.\r | |
261 | //\r | |
d1050b9d | 262 | if (IsHttpOffer && (Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] == NULL)) {\r |
b659408b ZL |
263 | return EFI_DEVICE_ERROR;\r |
264 | }\r | |
f75a7f56 | 265 | \r |
b659408b | 266 | //\r |
f75a7f56 | 267 | // Try to retrieve the IP of HTTP server from URI.\r |
b659408b ZL |
268 | //\r |
269 | if (IsHttpOffer) {\r | |
270 | Status = HttpParseUrl (\r | |
d1050b9d MK |
271 | (CHAR8 *)Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,\r |
272 | (UINT32)AsciiStrLen ((CHAR8 *)Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data),\r | |
b659408b ZL |
273 | FALSE,\r |
274 | &Cache6->UriParser\r | |
275 | );\r | |
276 | if (EFI_ERROR (Status)) {\r | |
277 | return EFI_DEVICE_ERROR;\r | |
278 | }\r | |
279 | \r | |
280 | Status = HttpUrlGetIp6 (\r | |
d1050b9d | 281 | (CHAR8 *)Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,\r |
b659408b ZL |
282 | Cache6->UriParser,\r |
283 | &IpAddr\r | |
284 | );\r | |
285 | IpExpressedUri = !EFI_ERROR (Status);\r | |
286 | }\r | |
287 | \r | |
288 | //\r | |
289 | // Determine offer type of the DHCPv6 packet.\r | |
290 | //\r | |
291 | if (IsHttpOffer) {\r | |
292 | if (IpExpressedUri) {\r | |
fa848a40 FS |
293 | if (IsProxyOffer) {\r |
294 | OfferType = HttpOfferTypeProxyIpUri;\r | |
295 | } else {\r | |
296 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpIpUriDns : HttpOfferTypeDhcpIpUri;\r | |
297 | }\r | |
b659408b ZL |
298 | } else {\r |
299 | if (!IsProxyOffer) {\r | |
300 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpNameUriDns : HttpOfferTypeDhcpNameUri;\r | |
301 | } else {\r | |
302 | OfferType = HttpOfferTypeProxyNameUri;\r | |
303 | }\r | |
304 | }\r | |
b659408b ZL |
305 | } else {\r |
306 | if (!IsProxyOffer) {\r | |
307 | OfferType = IsDnsOffer ? HttpOfferTypeDhcpDns : HttpOfferTypeDhcpOnly;\r | |
308 | } else {\r | |
309 | return EFI_DEVICE_ERROR;\r | |
310 | }\r | |
311 | }\r | |
f75a7f56 | 312 | \r |
b659408b ZL |
313 | Cache6->OfferType = OfferType;\r |
314 | return EFI_SUCCESS;\r | |
315 | }\r | |
316 | \r | |
317 | /**\r | |
318 | Cache the DHCPv6 packet.\r | |
319 | \r | |
320 | @param[in] Dst The pointer to the cache buffer for DHCPv6 packet.\r | |
321 | @param[in] Src The pointer to the DHCPv6 packet to be cached.\r | |
322 | \r | |
a35dc649 FS |
323 | @retval EFI_SUCCESS Packet is copied.\r |
324 | @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.\r | |
325 | \r | |
b659408b | 326 | **/\r |
a35dc649 | 327 | EFI_STATUS\r |
b659408b | 328 | HttpBootCacheDhcp6Packet (\r |
d1050b9d MK |
329 | IN EFI_DHCP6_PACKET *Dst,\r |
330 | IN EFI_DHCP6_PACKET *Src\r | |
b659408b ZL |
331 | )\r |
332 | {\r | |
a35dc649 FS |
333 | if (Dst->Size < Src->Length) {\r |
334 | return EFI_BUFFER_TOO_SMALL;\r | |
335 | }\r | |
b659408b ZL |
336 | \r |
337 | CopyMem (&Dst->Dhcp6, &Src->Dhcp6, Src->Length);\r | |
338 | Dst->Length = Src->Length;\r | |
f75a7f56 | 339 | \r |
a35dc649 | 340 | return EFI_SUCCESS;\r |
b659408b ZL |
341 | }\r |
342 | \r | |
343 | /**\r | |
344 | Cache all the received DHCPv6 offers, and set OfferIndex and OfferCount.\r | |
345 | \r | |
346 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
347 | @param[in] RcvdOffer The pointer to the received offer packet.\r | |
348 | \r | |
a35dc649 FS |
349 | @retval EFI_SUCCESS Cache and parse the packet successfully.\r |
350 | @retval Others Operation failed.\r | |
351 | \r | |
b659408b | 352 | **/\r |
a35dc649 | 353 | EFI_STATUS\r |
b659408b ZL |
354 | HttpBootCacheDhcp6Offer (\r |
355 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r | |
356 | IN EFI_DHCP6_PACKET *RcvdOffer\r | |
357 | )\r | |
358 | {\r | |
d1050b9d MK |
359 | HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6;\r |
360 | EFI_DHCP6_PACKET *Offer;\r | |
361 | HTTP_BOOT_OFFER_TYPE OfferType;\r | |
362 | EFI_STATUS Status;\r | |
b659408b ZL |
363 | \r |
364 | Cache6 = &Private->OfferBuffer[Private->OfferNum].Dhcp6;\r | |
365 | Offer = &Cache6->Packet.Offer;\r | |
366 | \r | |
367 | //\r | |
368 | // Cache the content of DHCPv6 packet firstly.\r | |
369 | //\r | |
d1050b9d | 370 | Status = HttpBootCacheDhcp6Packet (Offer, RcvdOffer);\r |
a35dc649 FS |
371 | if (EFI_ERROR (Status)) {\r |
372 | return Status;\r | |
373 | }\r | |
b659408b ZL |
374 | \r |
375 | //\r | |
376 | // Validate the DHCPv6 packet, and parse the options and offer type.\r | |
377 | //\r | |
378 | if (EFI_ERROR (HttpBootParseDhcp6Packet (Cache6))) {\r | |
a35dc649 | 379 | return EFI_ABORTED;\r |
b659408b ZL |
380 | }\r |
381 | \r | |
382 | //\r | |
383 | // Determine whether cache the current offer by type, and record OfferIndex and OfferCount.\r | |
384 | //\r | |
385 | OfferType = Cache6->OfferType;\r | |
386 | ASSERT (OfferType < HttpOfferTypeMax);\r | |
387 | ASSERT (Private->OfferCount[OfferType] < HTTP_BOOT_OFFER_MAX_NUM);\r | |
388 | Private->OfferIndex[OfferType][Private->OfferCount[OfferType]] = Private->OfferNum;\r | |
389 | Private->OfferCount[OfferType]++;\r | |
a35dc649 | 390 | Private->OfferNum++;\r |
f75a7f56 | 391 | \r |
a35dc649 | 392 | return EFI_SUCCESS;\r |
b659408b ZL |
393 | }\r |
394 | \r | |
395 | /**\r | |
396 | EFI_DHCP6_CALLBACK is provided by the consumer of the EFI DHCPv6 Protocol driver\r | |
397 | to intercept events that occurred in the configuration process.\r | |
398 | \r | |
399 | @param[in] This The pointer to the EFI DHCPv6 Protocol.\r | |
400 | @param[in] Context The pointer to the context set by EFI_DHCP6_PROTOCOL.Configure().\r | |
401 | @param[in] CurrentState The current operational state of the EFI DHCPv Protocol driver.\r | |
402 | @param[in] Dhcp6Event The event that occurs in the current state, which usually means a\r | |
403 | state transition.\r | |
404 | @param[in] Packet The DHCPv6 packet that is going to be sent or was already received.\r | |
405 | @param[out] NewPacket The packet that is used to replace the Packet above.\r | |
406 | \r | |
407 | @retval EFI_SUCCESS Told the EFI DHCPv6 Protocol driver to continue the DHCP process.\r | |
408 | @retval EFI_NOT_READY Only used in the Dhcp6Selecting state. The EFI DHCPv6 Protocol\r | |
409 | driver will continue to wait for more packets.\r | |
410 | @retval EFI_ABORTED Told the EFI DHCPv6 Protocol driver to abort the current process.\r | |
7c275b3c | 411 | @retval EFI_OUT_OF_RESOURCES There are not enough resources.\r |
b659408b ZL |
412 | \r |
413 | **/\r | |
414 | EFI_STATUS\r | |
415 | EFIAPI\r | |
416 | HttpBootDhcp6CallBack (\r | |
d1050b9d MK |
417 | IN EFI_DHCP6_PROTOCOL *This,\r |
418 | IN VOID *Context,\r | |
419 | IN EFI_DHCP6_STATE CurrentState,\r | |
420 | IN EFI_DHCP6_EVENT Dhcp6Event,\r | |
421 | IN EFI_DHCP6_PACKET *Packet,\r | |
422 | OUT EFI_DHCP6_PACKET **NewPacket OPTIONAL\r | |
b659408b ZL |
423 | )\r |
424 | {\r | |
d1050b9d MK |
425 | HTTP_BOOT_PRIVATE_DATA *Private;\r |
426 | EFI_DHCP6_PACKET *SelectAd;\r | |
427 | EFI_STATUS Status;\r | |
428 | BOOLEAN Received;\r | |
f75a7f56 | 429 | \r |
95b5c32f | 430 | if ((Dhcp6Event != Dhcp6SendSolicit) &&\r |
d1050b9d MK |
431 | (Dhcp6Event != Dhcp6RcvdAdvertise) &&\r |
432 | (Dhcp6Event != Dhcp6SendRequest) &&\r | |
433 | (Dhcp6Event != Dhcp6RcvdReply) &&\r | |
434 | (Dhcp6Event != Dhcp6SelectAdvertise))\r | |
435 | {\r | |
95b5c32f FS |
436 | return EFI_SUCCESS;\r |
437 | }\r | |
b659408b | 438 | \r |
95b5c32f | 439 | ASSERT (Packet != NULL);\r |
f75a7f56 | 440 | \r |
d1050b9d MK |
441 | Private = (HTTP_BOOT_PRIVATE_DATA *)Context;\r |
442 | Status = EFI_SUCCESS;\r | |
443 | if ((Private->HttpBootCallback != NULL) && (Dhcp6Event != Dhcp6SelectAdvertise)) {\r | |
444 | Received = (BOOLEAN)(Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);\r | |
445 | Status = Private->HttpBootCallback->Callback (\r | |
446 | Private->HttpBootCallback,\r | |
447 | HttpBootDhcp6,\r | |
448 | Received,\r | |
449 | Packet->Length,\r | |
450 | &Packet->Dhcp6\r | |
451 | );\r | |
95b5c32f FS |
452 | if (EFI_ERROR (Status)) {\r |
453 | return EFI_ABORTED;\r | |
454 | }\r | |
455 | }\r | |
d1050b9d | 456 | \r |
95b5c32f | 457 | switch (Dhcp6Event) {\r |
d1050b9d MK |
458 | case Dhcp6RcvdAdvertise:\r |
459 | Status = EFI_NOT_READY;\r | |
460 | if (Packet->Length > HTTP_BOOT_DHCP6_PACKET_MAX_SIZE) {\r | |
461 | //\r | |
462 | // Ignore the incoming packets which exceed the maximum length.\r | |
463 | //\r | |
464 | break;\r | |
465 | }\r | |
466 | \r | |
467 | if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {\r | |
468 | //\r | |
469 | // Cache the dhcp offers to OfferBuffer[] for select later, and record\r | |
470 | // the OfferIndex and OfferCount.\r | |
471 | // If error happens, just ignore this packet and continue to wait more offer.\r | |
472 | //\r | |
473 | HttpBootCacheDhcp6Offer (Private, Packet);\r | |
474 | }\r | |
f75a7f56 | 475 | \r |
632dcfd6 | 476 | break;\r |
d1050b9d MK |
477 | \r |
478 | case Dhcp6SelectAdvertise:\r | |
95b5c32f | 479 | //\r |
d1050b9d MK |
480 | // Select offer by the default policy or by order, and record the SelectIndex\r |
481 | // and SelectProxyType.\r | |
95b5c32f | 482 | //\r |
d1050b9d | 483 | HttpBootSelectDhcpOffer (Private);\r |
95b5c32f | 484 | \r |
d1050b9d MK |
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 | \r | |
495 | CopyMem (*NewPacket, SelectAd, SelectAd->Size);\r | |
95b5c32f | 496 | }\r |
f75a7f56 | 497 | \r |
d1050b9d MK |
498 | break;\r |
499 | \r | |
500 | default:\r | |
501 | break;\r | |
b659408b ZL |
502 | }\r |
503 | \r | |
f75a7f56 | 504 | return Status;\r |
b659408b ZL |
505 | }\r |
506 | \r | |
507 | /**\r | |
508 | Check whether IP driver could route the message which will be sent to ServerIp address.\r | |
f75a7f56 | 509 | \r |
b659408b ZL |
510 | This function will check the IP6 route table every 1 seconds until specified timeout is expired, if a valid\r |
511 | route is found in IP6 route table, the address will be filed in GatewayAddr and return.\r | |
512 | \r | |
513 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
514 | @param[in] TimeOutInSecond Timeout value in seconds.\r | |
515 | @param[out] GatewayAddr Pointer to store the gateway IP address.\r | |
516 | \r | |
517 | @retval EFI_SUCCESS Found a valid gateway address successfully.\r | |
518 | @retval EFI_TIMEOUT The operation is time out.\r | |
c36b7b51 | 519 | @retval Other Unexpected error happened.\r |
f75a7f56 | 520 | \r |
b659408b ZL |
521 | **/\r |
522 | EFI_STATUS\r | |
523 | HttpBootCheckRouteTable (\r | |
d1050b9d MK |
524 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r |
525 | IN UINTN TimeOutInSecond,\r | |
526 | OUT EFI_IPv6_ADDRESS *GatewayAddr\r | |
b659408b ZL |
527 | )\r |
528 | {\r | |
d1050b9d MK |
529 | EFI_STATUS Status;\r |
530 | EFI_IP6_PROTOCOL *Ip6;\r | |
531 | EFI_IP6_MODE_DATA Ip6ModeData;\r | |
532 | UINTN Index;\r | |
533 | EFI_EVENT TimeOutEvt;\r | |
534 | UINTN RetryCount;\r | |
535 | BOOLEAN GatewayIsFound;\r | |
b659408b ZL |
536 | \r |
537 | ASSERT (GatewayAddr != NULL);\r | |
538 | ASSERT (Private != NULL);\r | |
539 | \r | |
540 | Ip6 = Private->Ip6;\r | |
541 | GatewayIsFound = FALSE;\r | |
542 | RetryCount = 0;\r | |
543 | TimeOutEvt = NULL;\r | |
544 | Status = EFI_SUCCESS;\r | |
545 | ZeroMem (GatewayAddr, sizeof (EFI_IPv6_ADDRESS));\r | |
546 | \r | |
547 | while (TRUE) {\r | |
548 | Status = Ip6->GetModeData (Ip6, &Ip6ModeData, NULL, NULL);\r | |
549 | if (EFI_ERROR (Status)) {\r | |
550 | goto ON_EXIT;\r | |
551 | }\r | |
f75a7f56 | 552 | \r |
b659408b ZL |
553 | //\r |
554 | // Find out the gateway address which can route the message which send to ServerIp.\r | |
555 | //\r | |
556 | for (Index = 0; Index < Ip6ModeData.RouteCount; Index++) {\r | |
557 | if (NetIp6IsNetEqual (&Private->ServerIp.v6, &Ip6ModeData.RouteTable[Index].Destination, Ip6ModeData.RouteTable[Index].PrefixLength)) {\r | |
558 | IP6_COPY_ADDRESS (GatewayAddr, &Ip6ModeData.RouteTable[Index].Gateway);\r | |
559 | GatewayIsFound = TRUE;\r | |
560 | break;\r | |
561 | }\r | |
562 | }\r | |
563 | \r | |
564 | if (Ip6ModeData.AddressList != NULL) {\r | |
565 | FreePool (Ip6ModeData.AddressList);\r | |
566 | }\r | |
d1050b9d | 567 | \r |
b659408b ZL |
568 | if (Ip6ModeData.GroupTable != NULL) {\r |
569 | FreePool (Ip6ModeData.GroupTable);\r | |
570 | }\r | |
d1050b9d | 571 | \r |
b659408b ZL |
572 | if (Ip6ModeData.RouteTable != NULL) {\r |
573 | FreePool (Ip6ModeData.RouteTable);\r | |
574 | }\r | |
d1050b9d | 575 | \r |
b659408b ZL |
576 | if (Ip6ModeData.NeighborCache != NULL) {\r |
577 | FreePool (Ip6ModeData.NeighborCache);\r | |
578 | }\r | |
d1050b9d | 579 | \r |
b659408b ZL |
580 | if (Ip6ModeData.PrefixTable != NULL) {\r |
581 | FreePool (Ip6ModeData.PrefixTable);\r | |
582 | }\r | |
d1050b9d | 583 | \r |
b659408b ZL |
584 | if (Ip6ModeData.IcmpTypeList != NULL) {\r |
585 | FreePool (Ip6ModeData.IcmpTypeList);\r | |
586 | }\r | |
f75a7f56 | 587 | \r |
d1050b9d | 588 | if (GatewayIsFound || (RetryCount == TimeOutInSecond)) {\r |
b659408b ZL |
589 | break;\r |
590 | }\r | |
f75a7f56 | 591 | \r |
b659408b | 592 | RetryCount++;\r |
f75a7f56 | 593 | \r |
b659408b ZL |
594 | //\r |
595 | // Delay 1 second then recheck it again.\r | |
596 | //\r | |
597 | if (TimeOutEvt == NULL) {\r | |
598 | Status = gBS->CreateEvent (\r | |
599 | EVT_TIMER,\r | |
600 | TPL_CALLBACK,\r | |
601 | NULL,\r | |
602 | NULL,\r | |
603 | &TimeOutEvt\r | |
604 | );\r | |
605 | if (EFI_ERROR (Status)) {\r | |
606 | goto ON_EXIT;\r | |
607 | }\r | |
608 | }\r | |
609 | \r | |
610 | Status = gBS->SetTimer (TimeOutEvt, TimerRelative, TICKS_PER_SECOND);\r | |
611 | if (EFI_ERROR (Status)) {\r | |
612 | goto ON_EXIT;\r | |
613 | }\r | |
d1050b9d | 614 | \r |
b659408b ZL |
615 | while (EFI_ERROR (gBS->CheckEvent (TimeOutEvt))) {\r |
616 | Ip6->Poll (Ip6);\r | |
617 | }\r | |
618 | }\r | |
f75a7f56 | 619 | \r |
b659408b ZL |
620 | ON_EXIT:\r |
621 | if (TimeOutEvt != NULL) {\r | |
622 | gBS->CloseEvent (TimeOutEvt);\r | |
623 | }\r | |
f75a7f56 | 624 | \r |
b659408b ZL |
625 | if (GatewayIsFound) {\r |
626 | Status = EFI_SUCCESS;\r | |
627 | } else if (RetryCount == TimeOutInSecond) {\r | |
628 | Status = EFI_TIMEOUT;\r | |
629 | }\r | |
630 | \r | |
f75a7f56 | 631 | return Status;\r |
b659408b ZL |
632 | }\r |
633 | \r | |
634 | /**\r | |
635 | Set the IP6 policy to Automatic.\r | |
636 | \r | |
637 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r | |
638 | \r | |
c36b7b51 AC |
639 | @retval EFI_SUCCESS Switch the IP policy successfully.\r |
640 | @retval Others Unexpected error happened.\r | |
b659408b ZL |
641 | \r |
642 | **/\r | |
643 | EFI_STATUS\r | |
644 | HttpBootSetIp6Policy (\r | |
d1050b9d | 645 | IN HTTP_BOOT_PRIVATE_DATA *Private\r |
b659408b ZL |
646 | )\r |
647 | {\r | |
d1050b9d MK |
648 | EFI_IP6_CONFIG_POLICY Policy;\r |
649 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r | |
650 | EFI_STATUS Status;\r | |
651 | UINTN DataSize;\r | |
b659408b | 652 | \r |
d1050b9d MK |
653 | Ip6Config = Private->Ip6Config;\r |
654 | DataSize = sizeof (EFI_IP6_CONFIG_POLICY);\r | |
f75a7f56 | 655 | \r |
b659408b ZL |
656 | //\r |
657 | // Get and store the current policy of IP6 driver.\r | |
658 | //\r | |
659 | Status = Ip6Config->GetData (\r | |
660 | Ip6Config,\r | |
661 | Ip6ConfigDataTypePolicy,\r | |
662 | &DataSize,\r | |
663 | &Policy\r | |
664 | );\r | |
665 | if (EFI_ERROR (Status)) {\r | |
666 | return Status;\r | |
667 | }\r | |
668 | \r | |
669 | if (Policy == Ip6ConfigPolicyManual) {\r | |
670 | Policy = Ip6ConfigPolicyAutomatic;\r | |
671 | Status = Ip6Config->SetData (\r | |
672 | Ip6Config,\r | |
673 | Ip6ConfigDataTypePolicy,\r | |
d1050b9d | 674 | sizeof (EFI_IP6_CONFIG_POLICY),\r |
b659408b ZL |
675 | &Policy\r |
676 | );\r | |
677 | if (EFI_ERROR (Status)) {\r | |
678 | return Status;\r | |
679 | }\r | |
680 | }\r | |
d1050b9d | 681 | \r |
b659408b ZL |
682 | return EFI_SUCCESS;\r |
683 | }\r | |
684 | \r | |
685 | /**\r | |
686 | This function will register the default DNS addresses to the network device.\r | |
f75a7f56 | 687 | \r |
b659408b ZL |
688 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r |
689 | @param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes.\r | |
690 | @param[in] DnsServerData Point a list of DNS server address in an array\r | |
691 | of EFI_IPv6_ADDRESS instances.\r | |
692 | \r | |
693 | @retval EFI_SUCCESS The DNS configuration has been configured successfully.\r | |
694 | @retval Others Failed to configure the address.\r | |
695 | \r | |
696 | **/\r | |
697 | EFI_STATUS\r | |
698 | HttpBootSetIp6Dns (\r | |
d1050b9d MK |
699 | IN HTTP_BOOT_PRIVATE_DATA *Private,\r |
700 | IN UINTN DataLength,\r | |
701 | IN VOID *DnsServerData\r | |
b659408b ZL |
702 | )\r |
703 | {\r | |
d1050b9d | 704 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r |
f75a7f56 | 705 | \r |
b659408b ZL |
706 | ASSERT (Private->UsingIpv6);\r |
707 | \r | |
708 | Ip6Config = Private->Ip6Config;\r | |
f75a7f56 | 709 | \r |
b659408b ZL |
710 | return Ip6Config->SetData (\r |
711 | Ip6Config,\r | |
712 | Ip6ConfigDataTypeDnsServer,\r | |
713 | DataLength,\r | |
714 | DnsServerData\r | |
715 | );\r | |
716 | }\r | |
717 | \r | |
718 | /**\r | |
719 | This function will register the IPv6 gateway address to the network device.\r | |
f75a7f56 | 720 | \r |
b659408b ZL |
721 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r |
722 | \r | |
723 | @retval EFI_SUCCESS The new IP configuration has been configured successfully.\r | |
724 | @retval Others Failed to configure the address.\r | |
725 | \r | |
726 | **/\r | |
727 | EFI_STATUS\r | |
728 | HttpBootSetIp6Gateway (\r | |
d1050b9d | 729 | IN HTTP_BOOT_PRIVATE_DATA *Private\r |
b659408b ZL |
730 | )\r |
731 | {\r | |
d1050b9d MK |
732 | EFI_IP6_CONFIG_PROTOCOL *Ip6Config;\r |
733 | EFI_STATUS Status;\r | |
b659408b ZL |
734 | \r |
735 | ASSERT (Private->UsingIpv6);\r | |
736 | Ip6Config = Private->Ip6Config;\r | |
f75a7f56 | 737 | \r |
b659408b | 738 | //\r |
f75a7f56 | 739 | // Set the default gateway address.\r |
b659408b ZL |
740 | //\r |
741 | if (!Private->NoGateway && !NetIp6IsUnspecifiedAddr (&Private->GatewayIp.v6)) {\r | |
742 | Status = Ip6Config->SetData (\r | |
743 | Ip6Config,\r | |
744 | Ip6ConfigDataTypeGateway,\r | |
745 | sizeof (EFI_IPv6_ADDRESS),\r | |
746 | &Private->GatewayIp.v6\r | |
747 | );\r | |
d1050b9d | 748 | if (EFI_ERROR (Status)) {\r |
b659408b ZL |
749 | return Status;\r |
750 | }\r | |
751 | }\r | |
752 | \r | |
753 | return EFI_SUCCESS;\r | |
754 | }\r | |
755 | \r | |
756 | /**\r | |
757 | This function will register the station IP address.\r | |
f75a7f56 | 758 | \r |
b659408b ZL |
759 | @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.\r |
760 | \r | |
761 | @retval EFI_SUCCESS The new IP address has been configured successfully.\r | |
762 | @retval Others Failed to configure the address.\r | |
763 | \r | |
764 | **/\r | |
765 | EFI_STATUS\r | |
766 | HttpBootSetIp6Address (\r | |
d1050b9d MK |
767 | IN HTTP_BOOT_PRIVATE_DATA *Private\r |
768 | )\r | |
b659408b | 769 | {\r |
d1050b9d MK |
770 | EFI_STATUS Status;\r |
771 | EFI_IP6_PROTOCOL *Ip6;\r | |
772 | EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;\r | |
773 | EFI_IP6_CONFIG_POLICY Policy;\r | |
774 | EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;\r | |
775 | EFI_IPv6_ADDRESS *Ip6Addr;\r | |
776 | EFI_IPv6_ADDRESS GatewayAddr;\r | |
777 | EFI_IP6_CONFIG_DATA Ip6CfgData;\r | |
778 | EFI_EVENT MappedEvt;\r | |
779 | UINTN DataSize;\r | |
780 | BOOLEAN IsAddressOk;\r | |
781 | UINTN Index;\r | |
b659408b ZL |
782 | \r |
783 | ASSERT (Private->UsingIpv6);\r | |
f75a7f56 | 784 | \r |
b659408b ZL |
785 | MappedEvt = NULL;\r |
786 | IsAddressOk = FALSE;\r | |
787 | Ip6Addr = NULL;\r | |
788 | Ip6Cfg = Private->Ip6Config;\r | |
789 | Ip6 = Private->Ip6;\r | |
f75a7f56 | 790 | \r |
b659408b ZL |
791 | ZeroMem (&CfgAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));\r |
792 | CopyMem (&CfgAddr, &Private->StationIp.v6, sizeof (EFI_IPv6_ADDRESS));\r | |
793 | ZeroMem (&Ip6CfgData, sizeof (EFI_IP6_CONFIG_DATA));\r | |
f75a7f56 | 794 | \r |
d1050b9d MK |
795 | Ip6CfgData.AcceptIcmpErrors = TRUE;\r |
796 | Ip6CfgData.DefaultProtocol = IP6_ICMP;\r | |
797 | Ip6CfgData.HopLimit = HTTP_BOOT_DEFAULT_HOPLIMIT;\r | |
798 | Ip6CfgData.ReceiveTimeout = HTTP_BOOT_DEFAULT_LIFETIME;\r | |
799 | Ip6CfgData.TransmitTimeout = HTTP_BOOT_DEFAULT_LIFETIME;\r | |
f75a7f56 | 800 | \r |
b659408b ZL |
801 | Status = Ip6->Configure (Ip6, &Ip6CfgData);\r |
802 | if (EFI_ERROR (Status)) {\r | |
803 | goto ON_EXIT;\r | |
804 | }\r | |
805 | \r | |
806 | //\r | |
807 | // Retrieve the gateway address from IP6 route table.\r | |
808 | //\r | |
809 | Status = HttpBootCheckRouteTable (Private, HTTP_BOOT_IP6_ROUTE_TABLE_TIMEOUT, &GatewayAddr);\r | |
810 | if (EFI_ERROR (Status)) {\r | |
811 | Private->NoGateway = TRUE;\r | |
812 | } else {\r | |
813 | IP6_COPY_ADDRESS (&Private->GatewayIp.v6, &GatewayAddr);\r | |
814 | }\r | |
815 | \r | |
816 | //\r | |
817 | // Set the new address by Ip6ConfigProtocol manually.\r | |
818 | //\r | |
819 | Policy = Ip6ConfigPolicyManual;\r | |
820 | Status = Ip6Cfg->SetData (\r | |
821 | Ip6Cfg,\r | |
822 | Ip6ConfigDataTypePolicy,\r | |
d1050b9d | 823 | sizeof (EFI_IP6_CONFIG_POLICY),\r |
b659408b ZL |
824 | &Policy\r |
825 | );\r | |
826 | if (EFI_ERROR (Status)) {\r | |
827 | goto ON_EXIT;\r | |
828 | }\r | |
f75a7f56 | 829 | \r |
b659408b ZL |
830 | //\r |
831 | // Create a notify event to set address flag when DAD if IP6 driver succeeded.\r | |
832 | //\r | |
833 | Status = gBS->CreateEvent (\r | |
834 | EVT_NOTIFY_SIGNAL,\r | |
835 | TPL_NOTIFY,\r | |
836 | HttpBootCommonNotify,\r | |
837 | &IsAddressOk,\r | |
838 | &MappedEvt\r | |
839 | );\r | |
840 | if (EFI_ERROR (Status)) {\r | |
841 | goto ON_EXIT;\r | |
842 | }\r | |
f75a7f56 | 843 | \r |
b659408b ZL |
844 | //\r |
845 | // Set static host ip6 address. This is a asynchronous process.\r | |
846 | //\r | |
847 | Status = Ip6Cfg->RegisterDataNotify (\r | |
848 | Ip6Cfg,\r | |
849 | Ip6ConfigDataTypeManualAddress,\r | |
850 | MappedEvt\r | |
851 | );\r | |
d1050b9d | 852 | if (EFI_ERROR (Status)) {\r |
b659408b ZL |
853 | goto ON_EXIT;\r |
854 | }\r | |
855 | \r | |
856 | Status = Ip6Cfg->SetData (\r | |
857 | Ip6Cfg,\r | |
858 | Ip6ConfigDataTypeManualAddress,\r | |
859 | sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS),\r | |
860 | &CfgAddr\r | |
f75a7f56 | 861 | );\r |
d1050b9d | 862 | if (EFI_ERROR (Status) && (Status != EFI_NOT_READY)) {\r |
b659408b ZL |
863 | goto ON_EXIT;\r |
864 | } else if (Status == EFI_NOT_READY) {\r | |
865 | //\r | |
866 | // Poll the network until the asynchronous process is finished.\r | |
867 | //\r | |
868 | while (!IsAddressOk) {\r | |
869 | Ip6->Poll (Ip6);\r | |
870 | }\r | |
d1050b9d | 871 | \r |
b659408b ZL |
872 | //\r |
873 | // Check whether the Ip6 Address setting is successed.\r | |
874 | //\r | |
875 | DataSize = 0;\r | |
d1050b9d MK |
876 | Status = Ip6Cfg->GetData (\r |
877 | Ip6Cfg,\r | |
878 | Ip6ConfigDataTypeManualAddress,\r | |
879 | &DataSize,\r | |
880 | NULL\r | |
881 | );\r | |
882 | if ((Status != EFI_BUFFER_TOO_SMALL) || (DataSize == 0)) {\r | |
b659408b ZL |
883 | Status = EFI_DEVICE_ERROR;\r |
884 | goto ON_EXIT;\r | |
885 | }\r | |
f75a7f56 | 886 | \r |
b659408b ZL |
887 | Ip6Addr = AllocatePool (DataSize);\r |
888 | if (Ip6Addr == NULL) {\r | |
889 | return EFI_OUT_OF_RESOURCES;\r | |
890 | }\r | |
d1050b9d | 891 | \r |
b659408b ZL |
892 | Status = Ip6Cfg->GetData (\r |
893 | Ip6Cfg,\r | |
894 | Ip6ConfigDataTypeManualAddress,\r | |
895 | &DataSize,\r | |
d1050b9d | 896 | (VOID *)Ip6Addr\r |
b659408b ZL |
897 | );\r |
898 | if (EFI_ERROR (Status)) {\r | |
899 | Status = EFI_DEVICE_ERROR;\r | |
900 | goto ON_EXIT;\r | |
901 | }\r | |
902 | \r | |
d1050b9d | 903 | for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index++) {\r |
b659408b ZL |
904 | if (CompareMem (Ip6Addr + Index, &CfgAddr, sizeof (EFI_IPv6_ADDRESS)) == 0) {\r |
905 | break;\r | |
906 | }\r | |
907 | }\r | |
d1050b9d | 908 | \r |
b659408b ZL |
909 | if (Index == DataSize / sizeof (EFI_IPv6_ADDRESS)) {\r |
910 | Status = EFI_ABORTED;\r | |
911 | goto ON_EXIT;\r | |
f75a7f56 | 912 | }\r |
b659408b | 913 | }\r |
f75a7f56 | 914 | \r |
b659408b ZL |
915 | ON_EXIT:\r |
916 | if (MappedEvt != NULL) {\r | |
917 | Ip6Cfg->UnregisterDataNotify (\r | |
918 | Ip6Cfg,\r | |
919 | Ip6ConfigDataTypeManualAddress,\r | |
920 | MappedEvt\r | |
921 | );\r | |
922 | gBS->CloseEvent (MappedEvt);\r | |
923 | }\r | |
924 | \r | |
925 | if (Ip6Addr != NULL) {\r | |
926 | FreePool (Ip6Addr);\r | |
927 | }\r | |
f75a7f56 LG |
928 | \r |
929 | return Status;\r | |
b659408b ZL |
930 | }\r |
931 | \r | |
932 | /**\r | |
933 | Start the S.A.R.R DHCPv6 process to acquire the IPv6 address and other Http boot information.\r | |
934 | \r | |
935 | @param[in] Private Pointer to HTTP_BOOT private data.\r | |
936 | \r | |
937 | @retval EFI_SUCCESS The S.A.R.R process successfully finished.\r | |
938 | @retval Others Failed to finish the S.A.R.R process.\r | |
939 | \r | |
940 | **/\r | |
941 | EFI_STATUS\r | |
942 | HttpBootDhcp6Sarr (\r | |
d1050b9d | 943 | IN HTTP_BOOT_PRIVATE_DATA *Private\r |
b659408b ZL |
944 | )\r |
945 | {\r | |
d1050b9d MK |
946 | EFI_DHCP6_PROTOCOL *Dhcp6;\r |
947 | EFI_DHCP6_CONFIG_DATA Config;\r | |
948 | EFI_DHCP6_MODE_DATA Mode;\r | |
949 | EFI_DHCP6_RETRANSMISSION *Retransmit;\r | |
950 | EFI_DHCP6_PACKET_OPTION *OptList[HTTP_BOOT_DHCP6_OPTION_MAX_NUM];\r | |
951 | UINT32 OptCount;\r | |
952 | UINT8 Buffer[HTTP_BOOT_DHCP6_OPTION_MAX_SIZE];\r | |
953 | EFI_STATUS Status;\r | |
b659408b ZL |
954 | \r |
955 | Dhcp6 = Private->Dhcp6;\r | |
956 | ASSERT (Dhcp6 != NULL);\r | |
957 | \r | |
958 | //\r | |
959 | // Build options list for the request packet.\r | |
960 | //\r | |
961 | OptCount = HttpBootBuildDhcp6Options (Private, OptList, Buffer);\r | |
d1050b9d | 962 | ASSERT (OptCount > 0);\r |
f75a7f56 | 963 | \r |
b659408b ZL |
964 | Retransmit = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));\r |
965 | if (Retransmit == NULL) {\r | |
966 | return EFI_OUT_OF_RESOURCES;\r | |
967 | }\r | |
f75a7f56 | 968 | \r |
b659408b ZL |
969 | ZeroMem (&Mode, sizeof (EFI_DHCP6_MODE_DATA));\r |
970 | ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));\r | |
f75a7f56 | 971 | \r |
b659408b ZL |
972 | Config.OptionCount = OptCount;\r |
973 | Config.OptionList = OptList;\r | |
974 | Config.Dhcp6Callback = HttpBootDhcp6CallBack;\r | |
975 | Config.CallbackContext = Private;\r | |
976 | Config.IaInfoEvent = NULL;\r | |
977 | Config.RapidCommit = FALSE;\r | |
978 | Config.ReconfigureAccept = FALSE;\r | |
979 | Config.IaDescriptor.IaId = NET_RANDOM (NetRandomInitSeed ());\r | |
980 | Config.IaDescriptor.Type = EFI_DHCP6_IA_TYPE_NA;\r | |
981 | Config.SolicitRetransmission = Retransmit;\r | |
982 | Retransmit->Irt = 4;\r | |
983 | Retransmit->Mrc = 4;\r | |
984 | Retransmit->Mrt = 32;\r | |
985 | Retransmit->Mrd = 60;\r | |
f75a7f56 | 986 | \r |
b659408b ZL |
987 | //\r |
988 | // Configure the DHCPv6 instance for HTTP boot.\r | |
989 | //\r | |
990 | Status = Dhcp6->Configure (Dhcp6, &Config);\r | |
991 | FreePool (Retransmit);\r | |
992 | if (EFI_ERROR (Status)) {\r | |
993 | goto ON_EXIT;\r | |
994 | }\r | |
d1050b9d | 995 | \r |
b659408b ZL |
996 | //\r |
997 | // Initialize the record fields for DHCPv6 offer in private data.\r | |
998 | //\r | |
d1050b9d MK |
999 | Private->OfferNum = 0;\r |
1000 | Private->SelectIndex = 0;\r | |
b659408b ZL |
1001 | ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));\r |
1002 | ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));\r | |
f75a7f56 | 1003 | \r |
b659408b ZL |
1004 | //\r |
1005 | // Start DHCPv6 S.A.R.R. process to acquire IPv6 address.\r | |
1006 | //\r | |
1007 | Status = Dhcp6->Start (Dhcp6);\r | |
1008 | if (EFI_ERROR (Status)) {\r | |
1009 | goto ON_EXIT;\r | |
1010 | }\r | |
f75a7f56 | 1011 | \r |
b659408b ZL |
1012 | //\r |
1013 | // Get the acquired IPv6 address and store them.\r | |
1014 | //\r | |
1015 | Status = Dhcp6->GetModeData (Dhcp6, &Mode, NULL);\r | |
1016 | if (EFI_ERROR (Status)) {\r | |
1017 | goto ON_EXIT;\r | |
1018 | }\r | |
f75a7f56 | 1019 | \r |
b659408b ZL |
1020 | ASSERT (Mode.Ia->State == Dhcp6Bound);\r |
1021 | CopyMem (&Private->StationIp.v6, &Mode.Ia->IaAddress[0].IpAddress, sizeof (EFI_IPv6_ADDRESS));\r | |
f75a7f56 | 1022 | \r |
b659408b ZL |
1023 | AsciiPrint ("\n Station IPv6 address is ");\r |
1024 | HttpBootShowIp6Addr (&Private->StationIp.v6);\r | |
1025 | AsciiPrint ("\n");\r | |
f75a7f56 | 1026 | \r |
b659408b ZL |
1027 | ON_EXIT:\r |
1028 | if (EFI_ERROR (Status)) {\r | |
1029 | Dhcp6->Stop (Dhcp6);\r | |
1030 | Dhcp6->Configure (Dhcp6, NULL);\r | |
1031 | } else {\r | |
1032 | ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));\r | |
b659408b | 1033 | Dhcp6->Configure (Dhcp6, &Config);\r |
ce22514e ZL |
1034 | if (Mode.ClientId != NULL) {\r |
1035 | FreePool (Mode.ClientId);\r | |
1036 | }\r | |
d1050b9d | 1037 | \r |
ce22514e ZL |
1038 | if (Mode.Ia != NULL) {\r |
1039 | FreePool (Mode.Ia);\r | |
1040 | }\r | |
b659408b ZL |
1041 | }\r |
1042 | \r | |
f75a7f56 | 1043 | return Status;\r |
b659408b | 1044 | }\r |