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1 /** @file
2 Mtftp6 internal data structure and definition declaration.
3
4 Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved. <BR>
5
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php.
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #ifndef __EFI_MTFTP6_IMPL_H__
17 #define __EFI_MTFTP6_IMPL_H__
18
19 #include <Uefi.h>
20
21 #include <Protocol/Udp6.h>
22 #include <Protocol/Mtftp6.h>
23 #include <Protocol/ServiceBinding.h>
24 #include <Protocol/DriverBinding.h>
25
26 #include <Library/DebugLib.h>
27 #include <Library/UefiDriverEntryPoint.h>
28 #include <Library/UefiBootServicesTableLib.h>
29 #include <Library/UefiLib.h>
30 #include <Library/BaseLib.h>
31 #include <Library/NetLib.h>
32 #include <Library/PrintLib.h>
33
34 typedef struct _MTFTP6_SERVICE MTFTP6_SERVICE;
35 typedef struct _MTFTP6_INSTANCE MTFTP6_INSTANCE;
36
37 #include "Mtftp6Driver.h"
38 #include "Mtftp6Option.h"
39 #include "Mtftp6Support.h"
40
41 #define MTFTP6_SERVICE_SIGNATURE SIGNATURE_32 ('M', 'F', '6', 'S')
42 #define MTFTP6_INSTANCE_SIGNATURE SIGNATURE_32 ('M', 'F', '6', 'I')
43
44 #define MTFTP6_DEFAULT_SERVER_CMD_PORT 69
45 #define MTFTP6_DEFAULT_TIMEOUT 3
46 #define MTFTP6_GET_MAPPING_TIMEOUT 3
47 #define MTFTP6_DEFAULT_MAX_RETRY 5
48 #define MTFTP6_DEFAULT_BLK_SIZE 512
49 #define MTFTP6_TICK_PER_SECOND 10000000U
50
51 #define MTFTP6_SERVICE_FROM_THIS(a) CR (a, MTFTP6_SERVICE, ServiceBinding, MTFTP6_SERVICE_SIGNATURE)
52 #define MTFTP6_INSTANCE_FROM_THIS(a) CR (a, MTFTP6_INSTANCE, Mtftp6, MTFTP6_INSTANCE_SIGNATURE)
53
54 extern EFI_MTFTP6_PROTOCOL gMtftp6ProtocolTemplate;
55
56 typedef struct _MTFTP6_GETINFO_CONTEXT{
57 EFI_MTFTP6_PACKET **Packet;
58 UINT32 *PacketLen;
59 EFI_STATUS Status;
60 } MTFTP6_GETINFO_CONTEXT;
61
62 //
63 // Control block for MTFTP6 instance, it's per configuration data.
64 //
65 struct _MTFTP6_INSTANCE {
66 UINT32 Signature;
67 EFI_HANDLE Handle;
68 LIST_ENTRY Link;
69 EFI_MTFTP6_PROTOCOL Mtftp6;
70 MTFTP6_SERVICE *Service;
71 EFI_MTFTP6_CONFIG_DATA *Config;
72
73 EFI_MTFTP6_TOKEN *Token;
74 MTFTP6_EXT_OPTION_INFO ExtInfo;
75
76 UINT16 BlkSize;
77 UINT16 LastBlk;
78 LIST_ENTRY BlkList;
79
80 EFI_IPv6_ADDRESS ServerIp;
81 UINT16 ServerCmdPort;
82 UINT16 ServerDataPort;
83 UDP_IO *UdpIo;
84
85 EFI_IPv6_ADDRESS McastIp;
86 UINT16 McastPort;
87 UDP_IO *McastUdpIo;
88
89 NET_BUF *LastPacket;
90 UINT32 CurRetry;
91 UINT32 MaxRetry;
92 UINT32 PacketToLive;
93 UINT32 Timeout;
94
95 EFI_TPL OldTpl;
96 BOOLEAN IsTransmitted;
97 BOOLEAN IsMaster;
98 BOOLEAN InDestroy;
99 };
100
101 //
102 // Control block for MTFTP6 service, it's per Nic handle.
103 //
104 struct _MTFTP6_SERVICE {
105 UINT32 Signature;
106 EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
107 EFI_HANDLE Controller;
108 EFI_HANDLE Image;
109
110 UINT16 ChildrenNum;
111 LIST_ENTRY Children;
112 //
113 // It is used to be as internal calculagraph for all instances.
114 //
115 EFI_EVENT Timer;
116 //
117 // It is used to maintain the parent-child relationship between
118 // mtftp driver and udp driver.
119 //
120 UDP_IO *DummyUdpIo;
121 };
122
123 typedef struct {
124 EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
125 UINTN NumberOfChildren;
126 EFI_HANDLE *ChildHandleBuffer;
127 } MTFTP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT;
128
129 /**
130 Returns the current operating mode data for the MTFTP6 instance.
131
132 The GetModeData() function returns the current operating mode and
133 cached data packet for the MTFTP6 instance.
134
135 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
136 @param[out] ModeData The buffer in which the EFI MTFTPv6 Protocol driver mode
137 data is returned.
138
139 @retval EFI_SUCCESS The configuration data was returned successfully.
140 @retval EFI_OUT_OF_RESOURCES The required mode data could not be allocated.
141 @retval EFI_INVALID_PARAMETER This is NULL, or ModeData is NULL.
142
143 **/
144 EFI_STATUS
145 EFIAPI
146 EfiMtftp6GetModeData (
147 IN EFI_MTFTP6_PROTOCOL *This,
148 OUT EFI_MTFTP6_MODE_DATA *ModeData
149 );
150
151 /**
152 Initializes, changes, or resets the default operational setting for
153 this EFI MTFTPv6 Protocol driver instance.
154
155 The Configure() function is used to set and change the configuration
156 data for this EFI MTFTPv6 Protocol driver instance. The configuration
157 data can be reset to startup defaults by calling Configure() with
158 MtftpConfigData set to NULL. Whenever the instance is reset, any
159 pending operation is aborted. By changing the EFI MTFTPv6 Protocol
160 driver instance configuration data, the client can connect to
161 different MTFTPv6 servers. The configuration parameters in
162 MtftpConfigData are used as the default parameters in later MTFTPv6
163 operations and can be overridden in later operations.
164
165 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
166 @param[in] MtftpConfigData Pointer to the configuration data structure.
167
168 @retval EFI_SUCCESS The EFI MTFTPv6 Protocol instance was configured successfully.
169 @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
170 - This is NULL.
171 - MtftpConfigData.StationIp is neither zero nor one
172 of the configured IP addresses in the underlying IPv6 driver.
173 - MtftpCofigData.ServerIp is not a valid IPv6 unicast address.
174 Note: It does not match the UEFI 2.3 Specification.
175 @retval EFI_ACCESS_DENIED - The configuration could not be changed at this time because there
176 is some MTFTP background operation in progress.
177 - MtftpCofigData.LocalPort is already in use.
178 Note: It does not match the UEFI 2.3 Specification.
179 @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source
180 address for this instance, but no source address was available for use.
181 @retval EFI_OUT_OF_RESOURCES The EFI MTFTPv6 Protocol driver instance data could not be
182 allocated.
183 Note: It is not defined in the UEFI 2.3 Specification.
184 @retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The EFI
185 MTFTPv6 Protocol driver instance is not configured.
186 Note: It is not defined in the UEFI 2.3 Specification.
187
188 **/
189 EFI_STATUS
190 EFIAPI
191 EfiMtftp6Configure (
192 IN EFI_MTFTP6_PROTOCOL *This,
193 IN EFI_MTFTP6_CONFIG_DATA *MtftpConfigData OPTIONAL
194 );
195
196 /**
197 Get the information of the download from the server.
198
199 The GetInfo() function assembles an MTFTPv6 request packet
200 with options, sends it to the MTFTPv6 server, and may return
201 an MTFTPv6 OACK, MTFTPv6 ERROR, or ICMP ERROR packet. Retries
202 occur only if no response packets are received from the MTFTPv6
203 server before the timeout expires.
204
205 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
206 @param[in] OverrideData Data that is used to override the existing parameters. If NULL, the
207 default parameters that were set in the EFI_MTFTP6_PROTOCOL.Configure()
208 function are used.
209 @param[in] Filename Pointer to null-terminated ASCII file name string.
210 @param[in] ModeStr Pointer to null-terminated ASCII mode string. If NULL, octet will be used
211 @param[in] OptionCount Number of option/value string pairs in OptionList.
212 @param[in] OptionList Pointer to array of option/value string pairs. Ignored if
213 OptionCount is zero.
214 @param[out] PacketLength The number of bytes in the returned packet.
215 @param[out] Packet The pointer to the received packet. This buffer must be freed by
216 the caller.
217
218 @retval EFI_SUCCESS An MTFTPv6 OACK packet was received and is in the Packet.
219 Note: It does not match the UEFI 2.3 Specification.
220 @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
221 - This is NULL.
222 - Filename is NULL.
223 - OptionCount is not zero and OptionList is NULL.
224 - One or more options in OptionList have wrong format.
225 - PacketLength is NULL.
226 - OverrideData.ServerIp is not a valid unicast IPv6 address.
227 @retval EFI_UNSUPPORTED One or more options in the OptionList are unsupported by
228 this implementation.
229 @retval EFI_NOT_STARTED The EFI MTFTPv6 Protocol driver has not been started.
230 @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source
231 address for this instance, but no source address was available for use.
232 @retval EFI_ACCESS_DENIED The previous operation has not completed yet.
233 @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
234 @retval EFI_TFTP_ERROR An MTFTPv6 ERROR packet was received and is in the Packet.
235 @retval EFI_NETWORK_UNREACHABLE An ICMP network unreachable error packet was received, and the Packet is set to NULL.
236 Note: It is not defined in the UEFI 2.3 Specification.
237 @retval EFI_HOST_UNREACHABLE An ICMP host unreachable error packet was received, and the Packet is set to NULL.
238 Note: It is not defined in the UEFI 2.3 Specification.
239 @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received, and the Packet is set to NULL.
240 Note: It is not defined in the UEFI 2.3 Specification.
241 @retval EFI_PORT_UNREACHABLE An ICMP port unreachable error packet was received, and the Packet is set to NULL.
242 @retval EFI_ICMP_ERROR Some other ICMP ERROR packet was received, and the Packet is set to NULL.
243 Note: It does not match the UEFI 2.3 Specification.
244 @retval EFI_PROTOCOL_ERROR An unexpected MTFTPv6 packet was received and is in the Packet.
245 @retval EFI_TIMEOUT No responses were received from the MTFTPv6 server.
246 @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
247
248 **/
249 EFI_STATUS
250 EFIAPI
251 EfiMtftp6GetInfo (
252 IN EFI_MTFTP6_PROTOCOL *This,
253 IN EFI_MTFTP6_OVERRIDE_DATA *OverrideData OPTIONAL,
254 IN UINT8 *Filename,
255 IN UINT8 *ModeStr OPTIONAL,
256 IN UINT8 OptionCount,
257 IN EFI_MTFTP6_OPTION *OptionList OPTIONAL,
258 OUT UINT32 *PacketLength,
259 OUT EFI_MTFTP6_PACKET **Packet OPTIONAL
260 );
261
262 /**
263 Parse the options in an MTFTPv6 OACK packet.
264
265 The ParseOptions() function parses the option fields in an MTFTPv6 OACK
266 packet and returns the number of options that were found, and optionally,
267 a list of pointers to the options in the packet. If one or more of the
268 option fields are not valid, then EFI_PROTOCOL_ERROR is returned and
269 *OptionCount and *OptionList stop at the last valid option.
270
271 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
272 @param[in] PacketLen Length of the OACK packet to be parsed.
273 @param[in] Packet Pointer to the OACK packet to be parsed.
274 @param[out] OptionCount Pointer to the number of options in the following OptionList.
275 @param[out] OptionList Pointer to EFI_MTFTP6_OPTION storage. Each pointer in the
276 OptionList points to the corresponding MTFTP option buffer
277 in the Packet. Call the EFI Boot Service FreePool() to
278 release the OptionList if the options in this OptionList
279 are not needed any more.
280
281 @retval EFI_SUCCESS The OACK packet was valid and the OptionCount, and
282 OptionList parameters have been updated.
283 @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
284 - PacketLen is 0.
285 - Packet is NULL or Packet is not a valid MTFTPv6 packet.
286 - OptionCount is NULL.
287 @retval EFI_NOT_FOUND No options were found in the OACK packet.
288 @retval EFI_OUT_OF_RESOURCES Storage for the OptionList array can not be allocated.
289 @retval EFI_PROTOCOL_ERROR One or more of the option fields is invalid.
290
291 **/
292 EFI_STATUS
293 EFIAPI
294 EfiMtftp6ParseOptions (
295 IN EFI_MTFTP6_PROTOCOL *This,
296 IN UINT32 PacketLen,
297 IN EFI_MTFTP6_PACKET *Packet,
298 OUT UINT32 *OptionCount,
299 OUT EFI_MTFTP6_OPTION **OptionList OPTIONAL
300 );
301
302 /**
303 Download a file from an MTFTPv6 server.
304
305 The ReadFile() function is used to initialize and start an MTFTPv6 download
306 process and optionally wait for completion. When the download operation
307 completes, whether successfully or not, the Token.Status field is updated
308 by the EFI MTFTPv6 Protocol driver, and then Token.Event is signaled if it
309 is not NULL.
310 Data can be downloaded from the MTFTPv6 server into either of the following
311 locations:
312 - A fixed buffer that is pointed to by Token.Buffer.
313 - A download service function that is pointed to by Token.CheckPacket.
314 If both Token.Buffer and Token.CheckPacket are used, then Token.CheckPacket
315 will be called first. If the call is successful, the packet will be stored
316 in Token.Buffer.
317
318 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
319 @param[in] Token Pointer to the token structure to provide the parameters that are
320 used in this operation.
321
322 @retval EFI_SUCCESS The data file has been transferred successfully.
323 @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
324 @retval EFI_BUFFER_TOO_SMALL BufferSize is not zero but not large enough to hold the
325 downloaded data in downloading process.
326 Note: It does not match the UEFI 2.3 Specification.
327 @retval EFI_ABORTED Current operation is aborted by user.
328 @retval EFI_NETWORK_UNREACHABLE An ICMP network unreachable error packet was received.
329 Note: It is not defined in the UEFI 2.3 Specification.
330 @retval EFI_HOST_UNREACHABLE An ICMP host unreachable error packet was received.
331 Note: It is not defined in the UEFI 2.3 Specification.
332 @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received.
333 Note: It is not defined in the UEFI 2.3 Specification.
334 @retval EFI_PORT_UNREACHABLE An ICMP port unreachable error packet was received.
335 Note: It is not defined in the UEFI 2.3 Specification.
336 @retval EFI_ICMP_ERROR An ICMP ERROR packet was received.
337 @retval EFI_TIMEOUT No responses were received from the MTFTPv6 server.
338 @retval EFI_TFTP_ERROR An MTFTPv6 ERROR packet was received.
339 @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
340
341 **/
342 EFI_STATUS
343 EFIAPI
344 EfiMtftp6ReadFile (
345 IN EFI_MTFTP6_PROTOCOL *This,
346 IN EFI_MTFTP6_TOKEN *Token
347 );
348
349 /**
350 Send a file to an MTFTPv6 server.
351
352 The WriteFile() function is used to initialize an uploading operation
353 with the given option list, and optionally, wait for completion. If one
354 or more of the options is not supported by the server, the unsupported
355 options are ignored and a standard TFTP process starts instead. When
356 the upload process completes, whether successfully or not, Token.Event
357 is signaled, and the EFI MTFTPv6 Protocol driver updates Token.Status.
358 The caller can supply the data to be uploaded in the following two modes:
359 - Through the user-provided buffer.
360 - Through a callback function.
361 With the user-provided buffer, the Token.BufferSize field indicates
362 the length of the buffer, and the driver will upload the data in the
363 buffer. With an EFI_MTFTP6_PACKET_NEEDED callback function, the driver
364 will call this callback function to get more data from the user to upload.
365
366 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
367 @param[in] Token Pointer to the token structure to provide the parameters that are
368 used in this operation.
369
370 @retval EFI_SUCCESS The upload session has started.
371 @retval EFI_UNSUPPORTED The operation is not supported by this implementation.
372 @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
373 - This is NULL.
374 - Token is NULL.
375 - Token.Filename is NULL.
376 - Token.OptionCount is not zero and Token.OptionList is NULL.
377 - One or more options in Token.OptionList have wrong format.
378 - Token.Buffer and Token.PacketNeeded are both NULL.
379 - Token.OverrideData.ServerIp is not valid unicast IPv6 addresses.
380 @retval EFI_UNSUPPORTED One or more options in the Token.OptionList are not
381 supported by this implementation.
382 @retval EFI_NOT_STARTED The EFI MTFTPv6 Protocol driver has not been started.
383 @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source
384 address for this instance, but no source address was available for use.
385 @retval EFI_ALREADY_STARTED This Token is already being used in another MTFTPv6 session.
386 @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
387 @retval EFI_ACCESS_DENIED The previous operation has not completed yet.
388 @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
389
390 **/
391 EFI_STATUS
392 EFIAPI
393 EfiMtftp6WriteFile (
394 IN EFI_MTFTP6_PROTOCOL *This,
395 IN EFI_MTFTP6_TOKEN *Token
396 );
397
398 /**
399 Download a data file directory from an MTFTPv6 server.
400
401 The ReadDirectory() function is used to return a list of files on the
402 MTFTPv6 server that are logically (or operationally) related to
403 Token.Filename. The directory request packet that is sent to the server
404 is built with the option list that was provided by caller, if present.
405 The file information that the server returns is put into either of
406 the following locations:
407 - A fixed buffer that is pointed to by Token.Buffer.
408 - A download service function that is pointed to by Token.CheckPacket.
409 If both Token.Buffer and Token.CheckPacket are used, then Token.CheckPacket
410 will be called first. If the call is successful, the packet will be stored
411 in Token.Buffer.
412
413 @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance.
414 @param[in] Token Pointer to the token structure to provide the parameters that are
415 used in this operation.
416
417 @retval EFI_SUCCESS The MTFTPv6 related file "directory" has been downloaded.
418 @retval EFI_UNSUPPORTED The EFI MTFTPv6 Protocol driver does not support this function.
419 @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
420 - This is NULL.
421 - Token is NULL.
422 - Token.Filename is NULL.
423 - Token.OptionCount is not zero and Token.OptionList is NULL.
424 - One or more options in Token.OptionList have wrong format.
425 - Token.Buffer and Token.CheckPacket are both NULL.
426 - Token.OverrideData.ServerIp is not valid unicast IPv6 addresses.
427 @retval EFI_UNSUPPORTED One or more options in the Token.OptionList are not
428 supported by this implementation.
429 @retval EFI_NOT_STARTED The EFI MTFTPv6 Protocol driver has not been started.
430 @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source
431 address for this instance, but no source address was available for use.
432 @retval EFI_ALREADY_STARTED This Token is already being used in another MTFTPv6 session.
433 @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
434 @retval EFI_ACCESS_DENIED The previous operation has not completed yet.
435 @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred.
436
437 **/
438 EFI_STATUS
439 EFIAPI
440 EfiMtftp6ReadDirectory (
441 IN EFI_MTFTP6_PROTOCOL *This,
442 IN EFI_MTFTP6_TOKEN *Token
443 );
444
445 /**
446 Polls for incoming data packets and processes outgoing data packets.
447
448 The Poll() function can be used by network drivers and applications
449 to increase the rate that data packets are moved between the
450 communications device and the transmit and receive queues.In some
451 systems, the periodic timer event in the managed network driver may
452 not poll the underlying communications device fast enough to transmit
453 and/or receive all data packets without missing incoming packets or
454 dropping outgoing packets. Drivers and applications that are
455 experiencing packet loss should try calling the Poll() function
456 more often.
457
458 @param[in] This The MTFTP6 protocol instance.
459
460
461 @retval EFI_SUCCESS Incoming or outgoing data was processed.
462 @retval EFI_NOT_STARTED This EFI MTFTPv6 Protocol instance has not been started.
463 @retval EFI_INVALID_PARAMETER This is NULL.
464 @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
465 @retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.
466 Consider increasing the polling rate.
467
468 **/
469 EFI_STATUS
470 EFIAPI
471 EfiMtftp6Poll (
472 IN EFI_MTFTP6_PROTOCOL *This
473 );
474
475 #endif