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d1f95000 | 1 | /** @file\r |
2 | EFI_DHCP4_PROTOCOL as defined in UEFI 2.0.\r | |
3 | EFI_DHCP4_SERVICE_BINDING_PROTOCOL as defined in UEFI 2.0.\r | |
4 | These protocols are used to collect configuration information for the EFI IPv4 Protocol \r | |
5 | drivers and to provide DHCPv4 server and PXE boot server discovery services.\r | |
6 | \r | |
7 | Copyright (c) 2006, Intel Corporation \r | |
8 | All rights reserved. This program and the accompanying materials \r | |
9 | are licensed and made available under the terms and conditions of the BSD License \r | |
10 | which accompanies this distribution. The full text of the license may be found at \r | |
11 | http://opensource.org/licenses/bsd-license.php \r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
15 | \r | |
d1f95000 | 16 | **/\r |
17 | \r | |
18 | #ifndef __EFI_DHCP4_PROTOCOL_H__\r | |
19 | #define __EFI_DHCP4_PROTOCOL_H__\r | |
20 | \r | |
21 | #define EFI_DHCP4_PROTOCOL_GUID \\r | |
22 | { \\r | |
23 | 0x8a219718, 0x4ef5, 0x4761, {0x91, 0xc8, 0xc0, 0xf0, 0x4b, 0xda, 0x9e, 0x56 } \\r | |
24 | }\r | |
25 | \r | |
26 | #define EFI_DHCP4_SERVICE_BINDING_PROTOCOL_GUID \\r | |
27 | { \\r | |
28 | 0x9d9a39d8, 0xbd42, 0x4a73, {0xa4, 0xd5, 0x8e, 0xe9, 0x4b, 0xe1, 0x13, 0x80 } \\r | |
29 | }\r | |
30 | \r | |
31 | typedef struct _EFI_DHCP4_PROTOCOL EFI_DHCP4_PROTOCOL;\r | |
32 | \r | |
33 | \r | |
34 | #pragma pack(1)\r | |
35 | typedef struct {\r | |
36 | UINT8 OpCode;\r | |
37 | UINT8 Length;\r | |
38 | UINT8 Data[1];\r | |
39 | } EFI_DHCP4_PACKET_OPTION;\r | |
40 | #pragma pack()\r | |
41 | \r | |
42 | \r | |
43 | #pragma pack(1)\r | |
44 | typedef struct {\r | |
45 | UINT8 OpCode;\r | |
46 | UINT8 HwType;\r | |
47 | UINT8 HwAddrLen;\r | |
48 | UINT8 Hops;\r | |
49 | UINT32 Xid;\r | |
50 | UINT16 Seconds;\r | |
51 | UINT16 Reserved;\r | |
52 | EFI_IPv4_ADDRESS ClientAddr; //Client IP address from client\r | |
53 | EFI_IPv4_ADDRESS YourAddr; //Client IP address from server\r | |
54 | EFI_IPv4_ADDRESS ServerAddr; //IP address of next server in bootstrap \r | |
55 | EFI_IPv4_ADDRESS GatewayAddr; //Relay agent IP address\r | |
56 | UINT8 ClientHwAddr[16]; //Client hardware address\r | |
57 | CHAR8 ServerName[64]; \r | |
58 | CHAR8 BootFileName[128];\r | |
59 | }EFI_DHCP4_HEADER;\r | |
60 | #pragma pack()\r | |
61 | \r | |
62 | \r | |
63 | #pragma pack(1)\r | |
64 | typedef struct {\r | |
65 | UINT32 Size;\r | |
66 | UINT32 Length;\r | |
67 | \r | |
68 | struct {\r | |
69 | EFI_DHCP4_HEADER Header;\r | |
70 | UINT32 Magik;\r | |
71 | UINT8 Option[1];\r | |
72 | } Dhcp4;\r | |
73 | } EFI_DHCP4_PACKET;\r | |
74 | #pragma pack()\r | |
75 | \r | |
76 | \r | |
77 | typedef enum {\r | |
78 | Dhcp4Stopped = 0x0,\r | |
79 | Dhcp4Init = 0x1,\r | |
80 | Dhcp4Selecting = 0x2,\r | |
81 | Dhcp4Requesting = 0x3,\r | |
82 | Dhcp4Bound = 0x4,\r | |
83 | Dhcp4Renewing = 0x5,\r | |
84 | Dhcp4Rebinding = 0x6,\r | |
85 | Dhcp4InitReboot = 0x7,\r | |
86 | Dhcp4Rebooting = 0x8\r | |
87 | } EFI_DHCP4_STATE;\r | |
88 | \r | |
89 | \r | |
90 | typedef enum{\r | |
91 | Dhcp4SendDiscover = 0x01,\r | |
92 | Dhcp4RcvdOffer = 0x02,\r | |
93 | Dhcp4SelectOffer = 0x03,\r | |
94 | Dhcp4SendRequest = 0x04,\r | |
95 | Dhcp4RcvdAck = 0x05,\r | |
96 | Dhcp4RcvdNak = 0x06,\r | |
97 | Dhcp4SendDecline = 0x07,\r | |
98 | Dhcp4BoundCompleted = 0x08,\r | |
99 | Dhcp4EnterRenewing = 0x09,\r | |
100 | Dhcp4EnterRebinding = 0x0a,\r | |
101 | Dhcp4AddressLost = 0x0b,\r | |
102 | Dhcp4Fail = 0x0c\r | |
103 | } EFI_DHCP4_EVENT;\r | |
104 | \r | |
105 | /** \r | |
106 | Callback routine \r | |
107 | \r | |
108 | @param This Pointer to the EFI DHCPv4 Protocol instance that is used to\r | |
109 | configure this callback function. \r | |
110 | @param Context Pointer to the context that is initialized by\r | |
111 | EFI_DHCP4_PROTOCOL.Configure(). \r | |
112 | @param CurrentState The current operational state of the EFI DHCPv4 Protocol\r | |
113 | driver. \r | |
114 | @param Dhcp4Event The event that occurs in the current state, which usually means a\r | |
115 | state transition. \r | |
116 | @param Packet The DHCP packet that is going to be sent or already received. \r | |
117 | @param NewPacket The packet that is used to replace the above Packet.\r | |
118 | \r | |
119 | @retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to continue the DHCP process.\r | |
120 | @retval EFI_NOT_READY Only used in the Dhcp4Selecting state. The EFI DHCPv4 Protocol \r | |
121 | driver will continue to wait for more DHCPOFFER packets until the retry\r | |
122 | timeout expires. \r | |
123 | @retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to abort the current process and\r | |
124 | return to the Dhcp4Init or Dhcp4InitReboot state. \r | |
125 | \r | |
126 | **/\r | |
127 | typedef \r | |
128 | EFI_STATUS \r | |
129 | (EFIAPI *EFI_DHCP4_CALLBACK) (\r | |
130 | IN EFI_DHCP4_PROTOCOL *This,\r | |
131 | IN VOID *Context,\r | |
132 | IN EFI_DHCP4_STATE CurrentState,\r | |
133 | IN EFI_DHCP4_EVENT Dhcp4Event,\r | |
134 | IN EFI_DHCP4_PACKET *Packet OPTIONAL, \r | |
135 | OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL\r | |
136 | );\r | |
137 | \r | |
138 | \r | |
139 | typedef struct {\r | |
140 | UINT32 DiscoverTryCount; \r | |
141 | UINT32 *DiscoverTimeout;\r | |
142 | UINT32 RequestTryCount;\r | |
143 | UINT32 *RequestTimeout;\r | |
144 | EFI_IPv4_ADDRESS ClientAddress;\r | |
145 | EFI_DHCP4_CALLBACK Dhcp4Callback;\r | |
146 | void *CallbackContext;\r | |
147 | UINT32 OptionCount;\r | |
148 | EFI_DHCP4_PACKET_OPTION **OptionList;\r | |
149 | } EFI_DHCP4_CONFIG_DATA;\r | |
150 | \r | |
151 | \r | |
152 | typedef struct {\r | |
153 | EFI_DHCP4_STATE State;\r | |
154 | EFI_DHCP4_CONFIG_DATA ConfigData;\r | |
155 | EFI_IPv4_ADDRESS ClientAddress;\r | |
156 | EFI_MAC_ADDRESS ClientMacAddress;\r | |
157 | EFI_IPv4_ADDRESS ServerAddress;\r | |
158 | EFI_IPv4_ADDRESS RouterAddress;\r | |
159 | EFI_IPv4_ADDRESS SubnetMask;\r | |
160 | UINT32 LeaseTime;\r | |
161 | EFI_DHCP4_PACKET *ReplyPacket;\r | |
162 | } EFI_DHCP4_MODE_DATA;\r | |
163 | \r | |
164 | \r | |
165 | typedef struct {\r | |
166 | EFI_IPv4_ADDRESS ListenAddress;\r | |
167 | EFI_IPv4_ADDRESS SubnetMask;\r | |
168 | UINT16 ListenPort;\r | |
169 | } EFI_DHCP4_LISTEN_POINT;\r | |
170 | \r | |
171 | \r | |
172 | typedef struct {\r | |
173 | OUT EFI_STATUS Status;\r | |
174 | IN EFI_EVENT CompletionEvent;\r | |
175 | IN EFI_IPv4_ADDRESS RemoteAddress;\r | |
176 | IN UINT16 RemotePort;\r | |
177 | IN EFI_IPv4_ADDRESS GatewayAddress;\r | |
178 | IN UINT32 ListenPointCount;\r | |
179 | IN EFI_DHCP4_LISTEN_POINT *ListenPoints;\r | |
180 | IN UINT32 TimeoutValue;\r | |
181 | IN EFI_DHCP4_PACKET *Packet;\r | |
182 | OUT UINT32 ResponseCount;\r | |
183 | OUT EFI_DHCP4_PACKET *ResponseList;\r | |
184 | } EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN;\r | |
185 | \r | |
186 | \r | |
187 | /**\r | |
188 | Returns the current operating mode and cached data packet for the EFI DHCPv4 Protocol driver.\r | |
189 | \r | |
190 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
191 | @param Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.\r | |
192 | \r | |
193 | @retval EFI_SUCCESS The mode data was returned.\r | |
194 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
195 | \r | |
196 | **/\r | |
197 | typedef \r | |
198 | EFI_STATUS \r | |
199 | (EFIAPI *EFI_DHCP4_GET_MODE_DATA)(\r | |
200 | IN EFI_DHCP4_PROTOCOL *This,\r | |
201 | OUT EFI_DHCP4_MODE_DATA *Dhcp4ModeData\r | |
202 | )\r | |
203 | ;\r | |
204 | \r | |
205 | /**\r | |
206 | Initializes, changes, or resets the operational settings for the EFI DHCPv4 Protocol driver.\r | |
207 | \r | |
208 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
209 | @param Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.\r | |
210 | \r | |
211 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init or\r | |
212 | Dhcp4InitReboot state, if the original state of this driver\r | |
213 | was Dhcp4Stopped and the value of Dhcp4CfgData was\r | |
214 | not NULL. Otherwise, the state was left unchanged.\r | |
215 | @retval EFI_ACCESS_DENIED This instance of the EFI DHCPv4 Protocol driver was not in the\r | |
216 | Dhcp4Stopped, Dhcp4Init, Dhcp4InitReboot, or Dhcp4Bound state;\r | |
217 | Or onother instance of this EFI DHCPv4 Protocol driver is already\r | |
218 | in a valid configured state.\r | |
219 | @retval EFI_INVALID_PARAMETER Some parameter is NULL.\r | |
220 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
221 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
222 | \r | |
223 | **/\r | |
224 | typedef \r | |
225 | EFI_STATUS\r | |
226 | (EFIAPI *EFI_DHCP4_CONFIGURE) (\r | |
227 | IN EFI_DHCP4_PROTOCOL *This,\r | |
228 | IN EFI_DHCP4_CONFIG_DATA *Dhcp4CfgData OPTIONAL\r | |
229 | )\r | |
230 | ;\r | |
231 | \r | |
232 | \r | |
233 | /**\r | |
234 | Starts the DHCP configuration process.\r | |
235 | \r | |
236 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
237 | @param CompletionEvent If not NULL, indicates the event that will be signaled when the\r | |
238 | EFI DHCPv4 Protocol driver is transferred into the\r | |
239 | Dhcp4Bound state or when the DHCP process is aborted.\r | |
240 | EFI_DHCP4_PROTOCOL.GetModeData() can be called to\r | |
241 | check the completion status. If NULL,\r | |
242 | EFI_DHCP4_PROTOCOL.Start() will wait until the driver\r | |
243 | is transferred into the Dhcp4Bound state or the process fails.\r | |
244 | \r | |
245 | @retval EFI_SUCCESS The DHCP configuration process has started, or it has completed\r | |
246 | when CompletionEvent is NULL.\r | |
247 | @retval EFI_NOT_STARTED The EFI DHCPv4 Protocol driver is in the Dhcp4Stopped\r | |
248 | state. EFI_DHCP4_PROTOCOL. Configure() needs to be called.\r | |
249 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
250 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
251 | @retval EFI_TIMEOUT The DHCP configuration process failed because no response was\r | |
252 | received from the server within the specified timeout value.\r | |
253 | @retval EFI_ABORTED The user aborted the DHCP process.\r | |
254 | @retval EFI_ALREADY_STARTED Some other EFI DHCPv4 Protocol instance already started the\r | |
255 | DHCP process.\r | |
256 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
257 | \r | |
258 | **/\r | |
259 | typedef \r | |
260 | EFI_STATUS\r | |
261 | (EFIAPI *EFI_DHCP4_START) (\r | |
262 | IN EFI_DHCP4_PROTOCOL *This,\r | |
263 | IN EFI_EVENT CompletionEvent OPTIONAL\r | |
264 | )\r | |
265 | ;\r | |
266 | \r | |
267 | /**\r | |
268 | Extends the lease time by sending a request packet.\r | |
269 | \r | |
270 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
271 | @param RebindRequest If TRUE, this function broadcasts the request packets and enters\r | |
272 | the Dhcp4Rebinding state. Otherwise, it sends a unicast\r | |
273 | request packet and enters the Dhcp4Renewing state.\r | |
274 | @param CompletionEvent If not NULL, this event is signaled when the renew/rebind phase\r | |
275 | completes or some error occurs.\r | |
276 | EFI_DHCP4_PROTOCOL.GetModeData() can be called to\r | |
277 | check the completion status. If NULL,\r | |
278 | EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait\r | |
279 | until the DHCP process finishes.\r | |
280 | \r | |
281 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the\r | |
282 | Dhcp4Renewing state or is back to the Dhcp4Bound state.\r | |
283 | @retval EFI_NOT_STARTED The EFI DHCPv4 Protocol driver is in the Dhcp4Stopped\r | |
284 | state. EFI_DHCP4_PROTOCOL.Configure() needs to\r | |
285 | be called.\r | |
286 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
287 | @retval EFI_TIMEOUT There was no response from the server when the try count was\r | |
288 | exceeded.\r | |
289 | @retval EFI_ACCESS_DENIED The driver is not in the Dhcp4Bound state.\r | |
290 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
291 | \r | |
292 | **/\r | |
293 | typedef\r | |
294 | EFI_STATUS\r | |
295 | (EFIAPI *EFI_DHCP4_RENEW_REBIND) (\r | |
296 | IN EFI_DHCP4_PROTOCOL *This,\r | |
297 | IN BOOLEAN RebindRequest,\r | |
298 | IN EFI_EVENT CompletionEvent OPTIONAL\r | |
299 | )\r | |
300 | ; \r | |
301 | \r | |
302 | /**\r | |
303 | Releases the current address configuration.\r | |
304 | \r | |
305 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
306 | \r | |
307 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init phase.\r | |
308 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
309 | @retval EFI_ACCESS_DENIED The EFI DHCPv4 Protocol driver is not Dhcp4InitReboot state.\r | |
310 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
311 | \r | |
312 | **/\r | |
313 | typedef \r | |
314 | EFI_STATUS\r | |
315 | (EFIAPI *EFI_DHCP4_RELEASE) (\r | |
316 | IN EFI_DHCP4_PROTOCOL *This\r | |
317 | )\r | |
318 | ; \r | |
319 | \r | |
320 | /**\r | |
321 | Stops the current address configuration.\r | |
322 | \r | |
323 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
324 | \r | |
325 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Stopped phase.\r | |
326 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
327 | \r | |
328 | **/\r | |
329 | typedef \r | |
330 | EFI_STATUS\r | |
331 | (EFIAPI *EFI_DHCP4_STOP) (\r | |
332 | IN EFI_DHCP4_PROTOCOL *This\r | |
333 | )\r | |
334 | ; \r | |
335 | \r | |
336 | /**\r | |
337 | Builds a DHCP packet, given the options to be appended or deleted or replaced.\r | |
338 | \r | |
339 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
340 | @param SeedPacket Initial packet to be used as a base for building new packet.\r | |
341 | @param DeleteCount Number of opcodes in the DeleteList.\r | |
342 | @param DeleteList List of opcodes to be deleted from the seed packet.\r | |
343 | Ignored if DeleteCount is zero.\r | |
344 | @param AppendCount Number of entries in the OptionList.\r | |
345 | @param AppendList Pointer to a DHCP option list to be appended to SeedPacket.\r | |
346 | If SeedPacket also contains options in this list, they are\r | |
347 | replaced by new options (except pad option). Ignored if\r | |
348 | AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION\r | |
349 | @param NewPacket Pointer to storage for the pointer to the new allocated packet.\r | |
350 | Use the EFI Boot Service FreePool() on the resulting pointer\r | |
351 | when done with the packet.\r | |
352 | \r | |
353 | @retval EFI_SUCCESS The new packet was built.\r | |
354 | @retval EFI_OUT_OF_RESOURCES Storage for the new packet could not be allocated.\r | |
355 | @retval EFI_INVALID_PARAMETER Some parameter is NULL.\r | |
356 | \r | |
357 | **/\r | |
358 | typedef\r | |
359 | EFI_STATUS\r | |
360 | (EFIAPI *EFI_DHCP4_BUILD) (\r | |
361 | IN EFI_DHCP4_PROTOCOL *This,\r | |
362 | IN EFI_DHCP4_PACKET *SeedPacket,\r | |
363 | IN UINT32 DeleteCount,\r | |
364 | IN UINT8 *DeleteList OPTIONAL,\r | |
365 | IN UINT32 AppendCount,\r | |
366 | IN EFI_DHCP4_PACKET_OPTION *AppendList[] OPTIONAL,\r | |
367 | OUT EFI_DHCP4_PACKET **NewPacket\r | |
368 | );\r | |
369 | ; \r | |
370 | \r | |
371 | /**\r | |
372 | Transmits a DHCP formatted packet and optionally waits for responses.\r | |
373 | \r | |
374 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
375 | @param Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.\r | |
376 | \r | |
377 | @retval EFI_SUCCESS The packet was successfully queued for transmission.\r | |
378 | @retval EFI_INVALID_PARAMETER Some parameter is NULL.\r | |
379 | @retval EFI_NOT_READY The previous call to this function has not finished yet. Try to call\r | |
380 | this function after collection process completes.\r | |
381 | @retval EFI_NO_MAPPING The default station address is not available yet.\r | |
382 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
383 | @retval Others Some other unexpected error occurred.\r | |
384 | \r | |
385 | **/\r | |
386 | typedef \r | |
387 | EFI_STATUS\r | |
388 | (EFIAPI *EFI_DHCP4_TRANSMIT_RECEIVE) (\r | |
389 | IN EFI_DHCP4_PROTOCOL *This,\r | |
390 | IN EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN *Token\r | |
391 | )\r | |
392 | ;\r | |
393 | \r | |
394 | \r | |
395 | /**\r | |
396 | Parses the packed DHCP option data.\r | |
397 | \r | |
398 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
399 | @param Packet Pointer to packet to be parsed.\r | |
400 | @param OptionCount On input, the number of entries in the PacketOptionList.\r | |
401 | On output, the number of entries that were written into the\r | |
402 | PacketOptionList.\r | |
403 | @param PacketOptionList List of packet option entries to be filled in. End option or pad\r | |
404 | options are not included.\r | |
405 | \r | |
406 | @retval EFI_SUCCESS The packet was successfully parsed.\r | |
407 | @retval EFI_INVALID_PARAMETER Some parameter is NULL.\r | |
408 | @retval EFI_BUFFER_TOO_SMALL One or more of the following conditions is TRUE:\r | |
409 | 1) *OptionCount is smaller than the number of options that\r | |
410 | were found in the Packet.\r | |
411 | 2) PacketOptionList is NULL.\r | |
412 | \r | |
413 | **/\r | |
414 | typedef\r | |
415 | EFI_STATUS\r | |
416 | (EFIAPI *EFI_DHCP4_PARSE) (\r | |
417 | IN EFI_DHCP4_PROTOCOL *This,\r | |
418 | IN EFI_DHCP4_PACKET *Packet,\r | |
419 | IN OUT UINT32 *OptionCount,\r | |
420 | OUT EFI_DHCP4_PACKET_OPTION *PacketOptionList[] OPTIONAL\r | |
421 | )\r | |
422 | ;\r | |
423 | \r | |
424 | \r | |
425 | struct _EFI_DHCP4_PROTOCOL {\r | |
426 | EFI_DHCP4_GET_MODE_DATA GetModeData;\r | |
427 | EFI_DHCP4_CONFIGURE Configure;\r | |
428 | EFI_DHCP4_START Start;\r | |
429 | EFI_DHCP4_RENEW_REBIND RenewRebind;\r | |
430 | EFI_DHCP4_RELEASE Release;\r | |
431 | EFI_DHCP4_STOP Stop;\r | |
432 | EFI_DHCP4_BUILD Build;\r | |
433 | EFI_DHCP4_TRANSMIT_RECEIVE TransmitReceive;\r | |
434 | EFI_DHCP4_PARSE Parse;\r | |
435 | };\r | |
436 | \r | |
437 | extern EFI_GUID gEfiDhcp4ProtocolGuid;\r | |
438 | extern EFI_GUID gEfiDhcp4ServiceBindingProtocolGuid;\r | |
439 | \r | |
440 | #endif\r |