[mirror_edk2.git] / NetworkPkg / Mtftp6Dxe / Mtftp6Support.h

/** @file\r
  Mtftp6 support functions declaration.\r
\r
  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php.\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef __EFI_MTFTP6_SUPPORT_H__\r
#define __EFI_MTFTP6_SUPPORT_H__\r
\r
//\r
// The structure representing a range of block numbers, [Start, End].\r
// It is used to remember the holes in the MTFTP block space. If all\r
// the holes are filled in, then the download or upload has completed.\r
//\r
typedef struct {\r
  LIST_ENTRY                Link;\r
  INTN                      Start;\r
  INTN                      End;\r
  INTN                      Round;\r
  INTN                      Bound;\r
} MTFTP6_BLOCK_RANGE;\r
\r
\r
/**\r
  Initialize the block range for either RRQ or WRQ. RRQ and WRQ have\r
  different requirements for Start and End. For example, during startup,\r
  WRQ initializes its whole valid block range to [0, 0xffff]. This\r
  is because the server will send an ACK0 to inform the user to start the\r
  upload. When the client receives an ACK0, it will remove 0 from the range,\r
  get the next block number, which is 1, then upload the BLOCK1. For RRQ\r
  without option negotiation, the server will directly send us the BLOCK1\r
  in response to the client's RRQ. When BLOCK1 is received, the client will\r
  remove it from the block range and send an ACK. It also works if there\r
  is option negotiation.\r
\r
  @param[in]  Head                   The block range head to initialize.\r
  @param[in]  Start                  The Start block number.\r
  @param[in]  End                    The last block number.\r
\r
  @retval EFI_OUT_OF_RESOURCES   Failed to allocate memory for initial block range.\r
  @retval EFI_SUCCESS            The initial block range is created.\r
\r
**/\r
EFI_STATUS\r
Mtftp6InitBlockRange (\r
  IN LIST_ENTRY             *Head,\r
  IN UINT16                 Start,\r
  IN UINT16                 End\r
  );\r
\r
\r
/**\r
  Get the first valid block number on the range list.\r
\r
  @param[in]  Head                   The block range head.\r
\r
  @retval     ==-1                   If the block range is empty.\r
  @retval     >-1                    The first valid block number.\r
\r
**/\r
INTN\r
Mtftp6GetNextBlockNum (\r
  IN LIST_ENTRY             *Head\r
  );\r
\r
\r
/**\r
  Set the last block number of the block range list. It\r
  removes all the blocks after the Last. MTFTP initialize the\r
  block range to the maximum possible range, such as [0, 0xffff]\r
  for WRQ. When it gets the last block number, it calls\r
  this function to set the last block number.\r
\r
  @param[in]  Head                   The block range list.\r
  @param[in]  Last                   The last block number.\r
\r
**/\r
VOID\r
Mtftp6SetLastBlockNum (\r
  IN LIST_ENTRY             *Head,\r
  IN UINT16                 Last\r
  );\r
\r
\r
/**\r
  Remove the block number from the block range list.\r
\r
  @param[in]  Head                   The block range list to remove from.\r
  @param[in]  Num                    The block number to remove.\r
  @param[in]  Completed              Whether Num is the last block number\r
  @param[out] TotalBlock             The continuous block number in all\r
\r
  @retval EFI_NOT_FOUND          The block number isn't in the block range list.\r
  @retval EFI_SUCCESS            The block number has been removed from the list.\r
  @retval EFI_OUT_OF_RESOURCES   Failed to allocate resources.\r
\r
**/\r
EFI_STATUS\r
Mtftp6RemoveBlockNum (\r
  IN LIST_ENTRY             *Head,\r
  IN UINT16                 Num,\r
  IN BOOLEAN                Completed,\r
  OUT UINT64                *TotalBlock\r
  );\r
\r
\r
/**\r
  Build and transmit the request packet for the Mtftp6 instance.\r
\r
  @param[in]  Instance               The pointer to the Mtftp6 instance.\r
  @param[in]  Operation              The operation code of this packet.\r
\r
  @retval EFI_OUT_OF_RESOURCES   Failed to allocate memory for the request.\r
  @retval EFI_SUCCESS            The request was built and sent.\r
  @retval Others                 Failed to transmit the packet.\r
\r
**/\r
EFI_STATUS\r
Mtftp6SendRequest (\r
  IN MTFTP6_INSTANCE        *Instance,\r
  IN UINT16                 Operation\r
  );\r
\r
\r
/**\r
  Build and send an error packet.\r
\r
  @param[in]  Instance               The pointer to the Mtftp6 instance.\r
  @param[in]  ErrCode                The error code in the packet.\r
  @param[in]  ErrInfo                The error message in the packet.\r
\r
  @retval EFI_OUT_OF_RESOURCES   Failed to allocate memory for the error packet.\r
  @retval EFI_SUCCESS            The error packet was transmitted.\r
  @retval Others                 Failed to transmit the packet.\r
\r
**/\r
EFI_STATUS\r
Mtftp6SendError (\r
  IN MTFTP6_INSTANCE        *Instance,\r
  IN UINT16                 ErrCode,\r
  IN UINT8*                 ErrInfo\r
  );\r
\r
\r
/**\r
  Send the packet for the Mtftp6 instance.\r
\r
  @param[in]  Instance               The pointer to the Mtftp6 instance.\r
  @param[in]  Packet                 The pointer to the packet to be sent.\r
\r
  @retval EFI_SUCCESS            The packet was sent out\r
  @retval Others                 Failed to transmit the packet.\r
\r
**/\r
EFI_STATUS\r
Mtftp6TransmitPacket (\r
  IN MTFTP6_INSTANCE        *Instance,\r
  IN NET_BUF                *Packet\r
  );\r
\r
\r
/**\r
  Check packet for GetInfo callback routine.\r
\r
  @param[in]  This                   The pointer to the Mtftp6 protocol.\r
  @param[in]  Token                  The pointer to the Mtftp6 token.\r
  @param[in]  PacketLen              The length of the packet\r
  @param[in]  Packet                 The pointer to the received packet.\r
\r
  @retval EFI_SUCCESS            The check process passed successfully.\r
  @retval EFI_ABORTED            Abort the Mtftp6 operation.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Mtftp6CheckPacket (\r
  IN EFI_MTFTP6_PROTOCOL    *This,\r
  IN EFI_MTFTP6_TOKEN       *Token,\r
  IN UINT16                 PacketLen,\r
  IN EFI_MTFTP6_PACKET      *Packet\r
  );\r
\r
\r
/**\r
  The dummy configure routine for create a new Udp6 Io.\r
\r
  @param[in]  UdpIo                  The pointer to the Udp6 Io.\r
  @param[in]  Context                The pointer to the context.\r
\r
  @retval EFI_SUCCESS                The value is always returned.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Mtftp6ConfigDummyUdpIo (\r
  IN UDP_IO                 *UdpIo,\r
  IN VOID                   *Context\r
  );\r
\r
\r
/**\r
  The configure routine for the Mtftp6 instance to transmit/receive.\r
\r
  @param[in]  UdpIo                  The pointer to the Udp6 Io.\r
  @param[in]  ServerIp               The pointer to the server address.\r
  @param[in]  ServerPort             The pointer to the server port.\r
  @param[in]  LocalIp                The pointer to the local address.\r
  @param[in]  LocalPort              The pointer to the local port.\r
\r
  @retval EFI_SUCCESS            Configure the Udp6 Io for Mtftp6 successfully.\r
  @retval EFI_NO_MAPPING         The corresponding Ip6 instance has not been\r
                                 configured yet.\r
\r
**/\r
EFI_STATUS\r
Mtftp6ConfigUdpIo (\r
  IN UDP_IO                 *UdpIo,\r
  IN EFI_IPv6_ADDRESS       *ServerIp,\r
  IN UINT16                 ServerPort,\r
  IN EFI_IPv6_ADDRESS       *LocalIp,\r
  IN UINT16                 LocalPort\r
  );\r
\r
\r
/**\r
  Clean up the current Mtftp6 operation.\r
\r
  @param[in]  Instance               The pointer to the Mtftp6 instance.\r
  @param[in]  Result                 The result to be returned to the user.\r
\r
**/\r
VOID\r
Mtftp6OperationClean (\r
  IN MTFTP6_INSTANCE        *Instance,\r
  IN EFI_STATUS             Result\r
  );\r
\r
\r
/**\r
  Start the Mtftp6 instance to perform the operation, such as read file,\r
  write file, and read directory.\r
\r
  @param[in]  This                   The MTFTP session\r
  @param[in]  Token                  The token that encapsulates the user's request.\r
  @param[in]  OpCode                 The operation to perform.\r
\r
  @retval EFI_INVALID_PARAMETER  Some of the parameters are invalid.\r
  @retval EFI_NOT_STARTED        The MTFTP session hasn't been configured.\r
  @retval EFI_ALREADY_STARTED    There is pending operation for the session.\r
  @retval EFI_SUCCESS            The operation was successfully started.\r
\r
**/\r
EFI_STATUS\r
Mtftp6OperationStart (\r
  IN EFI_MTFTP6_PROTOCOL    *This,\r
  IN EFI_MTFTP6_TOKEN       *Token,\r
  IN UINT16                 OpCode\r
  );\r
\r
\r
/**\r
  The timer ticking routine for the Mtftp6 instance.\r
\r
  @param[in]  Event                  The pointer to the ticking event.\r
  @param[in]  Context                The pointer to the context.\r
\r
**/\r
VOID\r
EFIAPI\r
Mtftp6OnTimerTick (\r
  IN EFI_EVENT              Event,\r
  IN VOID                   *Context\r
  );\r
\r
\r
/**\r
  The packet process callback for Mtftp6 upload.\r
\r
  @param[in]  UdpPacket             The pointer to the packet received.\r
  @param[in]  UdpEpt                The pointer to the Udp6 access point.\r
  @param[in]  IoStatus              The status from the Udp6 instance.\r
  @param[in]  Context               The pointer to the context.\r
\r
**/\r
VOID\r
EFIAPI\r
Mtftp6WrqInput (\r
  IN NET_BUF                *UdpPacket,\r
  IN UDP_END_POINT          *UdpEpt,\r
  IN EFI_STATUS             IoStatus,\r
  IN VOID                   *Context\r
  );\r
\r
\r
/**\r
  Start the Mtftp6 instance to upload. It will first init some states,\r
  then send the WRQ request packet, and start to receive the packet.\r
\r
  @param[in]  Instance              The pointer to the Mtftp6 instance.\r
  @param[in]  Operation             The operation code of current packet.\r
\r
  @retval EFI_SUCCESS           The Mtftp6 was started to upload.\r
  @retval Others                Failed to start to upload.\r
\r
**/\r
EFI_STATUS\r
Mtftp6WrqStart (\r
  IN MTFTP6_INSTANCE        *Instance,\r
  IN UINT16                 Operation\r
  );\r
\r
\r
/**\r
  The packet process callback for Mtftp6 download.\r
\r
  @param[in]  UdpPacket             The pointer to the packet received.\r
  @param[in]  UdpEpt                The pointer to the Udp6 access point.\r
  @param[in]  IoStatus              The status from Udp6 instance.\r
  @param[in]  Context               The pointer to the context.\r
\r
**/\r
VOID\r
EFIAPI\r
Mtftp6RrqInput (\r
  IN NET_BUF                *UdpPacket,\r
  IN UDP_END_POINT          *UdpEpt,\r
  IN EFI_STATUS             IoStatus,\r
  IN VOID                   *Context\r
  );\r
\r
\r
/**\r
  Start the Mtftp6 instance to download. It first initializes some\r
  of the internal states then builds and sends an RRQ reqeuest packet.\r
  Finally, it starts receive for the downloading.\r
\r
  @param[in]  Instance              The pointer to the Mtftp6 instance.\r
  @param[in]  Operation             The operation code of current packet.\r
\r
  @retval EFI_SUCCESS           The Mtftp6 was started to download.\r
  @retval Others                Failed to start to download.\r
\r
**/\r
EFI_STATUS\r
Mtftp6RrqStart (\r
  IN MTFTP6_INSTANCE        *Instance,\r
  IN UINT16                 Operation\r
  );\r
\r
#endif\r
Commit	Line	Data
a3bcde70 HT	1	/** @file\r
	2	Mtftp6 support functions declaration.\r
	3	\r
	4	Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
	5	\r
	6	This program and the accompanying materials\r
	7	are licensed and made available under the terms and conditions of the BSD License\r
	8	which accompanies this distribution. The full text of the license may be found at\r
	9	http://opensource.org/licenses/bsd-license.php.\r
	10	\r
	11	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	12	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	13	\r
	14	**/\r
	15	\r
	16	#ifndef __EFI_MTFTP6_SUPPORT_H__\r
	17	#define __EFI_MTFTP6_SUPPORT_H__\r
	18	\r
	19	//\r
	20	// The structure representing a range of block numbers, [Start, End].\r
	21	// It is used to remember the holes in the MTFTP block space. If all\r
	22	// the holes are filled in, then the download or upload has completed.\r
	23	//\r
	24	typedef struct {\r
	25	LIST_ENTRY Link;\r
	26	INTN Start;\r
	27	INTN End;\r
	28	INTN Round;\r
	29	INTN Bound;\r
	30	} MTFTP6_BLOCK_RANGE;\r
	31	\r
	32	\r
	33	/**\r
	34	Initialize the block range for either RRQ or WRQ. RRQ and WRQ have\r
	35	different requirements for Start and End. For example, during startup,\r
	36	WRQ initializes its whole valid block range to [0, 0xffff]. This\r
	37	is because the server will send an ACK0 to inform the user to start the\r
	38	upload. When the client receives an ACK0, it will remove 0 from the range,\r
	39	get the next block number, which is 1, then upload the BLOCK1. For RRQ\r
	40	without option negotiation, the server will directly send us the BLOCK1\r
	41	in response to the client's RRQ. When BLOCK1 is received, the client will\r
	42	remove it from the block range and send an ACK. It also works if there\r
	43	is option negotiation.\r
	44	\r
	45	@param[in] Head The block range head to initialize.\r
	46	@param[in] Start The Start block number.\r
	47	@param[in] End The last block number.\r
	48	\r
	49	@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for initial block range.\r
	50	@retval EFI_SUCCESS The initial block range is created.\r
	51	\r
	52	**/\r
	53	EFI_STATUS\r
	54	Mtftp6InitBlockRange (\r
	55	IN LIST_ENTRY *Head,\r
	56	IN UINT16 Start,\r
	57	IN UINT16 End\r
	58	);\r
	59	\r
	60	\r
	61	/**\r
	62	Get the first valid block number on the range list.\r
	63	\r
	64	@param[in] Head The block range head.\r
65	\r
66	@retval ==-1 If the block range is empty.\r
67	@retval >-1 The first valid block number.\r
68	\r
69	**/\r
70	INTN\r
71	Mtftp6GetNextBlockNum (\r
72	IN LIST_ENTRY *Head\r
73	);\r
74	\r
75	\r
76	/**\r
77	Set the last block number of the block range list. It\r
78	removes all the blocks after the Last. MTFTP initialize the\r
79	block range to the maximum possible range, such as [0, 0xffff]\r
80	for WRQ. When it gets the last block number, it calls\r
81	this function to set the last block number.\r
82	\r
83	@param[in] Head The block range list.\r
84	@param[in] Last The last block number.\r
85	\r
86	**/\r
87	VOID\r
88	Mtftp6SetLastBlockNum (\r
89	IN LIST_ENTRY *Head,\r
90	IN UINT16 Last\r
91	);\r
92	\r
93	\r
94	/**\r
95	Remove the block number from the block range list.\r
96	\r
97	@param[in] Head The block range list to remove from.\r
98	@param[in] Num The block number to remove.\r
99	@param[in] Completed Whether Num is the last block number\r
100	@param[out] TotalBlock The continuous block number in all\r
101	\r
102	@retval EFI_NOT_FOUND The block number isn't in the block range list.\r
103	@retval EFI_SUCCESS The block number has been removed from the list.\r
104	@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.\r
105	\r
106	**/\r
107	EFI_STATUS\r
108	Mtftp6RemoveBlockNum (\r
109	IN LIST_ENTRY *Head,\r
110	IN UINT16 Num,\r
111	IN BOOLEAN Completed,\r
112	OUT UINT64 *TotalBlock\r
113	);\r
114	\r
115	\r
116	/**\r
117	Build and transmit the request packet for the Mtftp6 instance.\r
118	\r
119	@param[in] Instance The pointer to the Mtftp6 instance.\r
120	@param[in] Operation The operation code of this packet.\r
121	\r
122	@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the request.\r
123	@retval EFI_SUCCESS The request was built and sent.\r
124	@retval Others Failed to transmit the packet.\r
125	\r
126	**/\r
127	EFI_STATUS\r
128	Mtftp6SendRequest (\r
129	IN MTFTP6_INSTANCE *Instance,\r
130	IN UINT16 Operation\r
131	);\r
132	\r
133	\r
134	/**\r
135	Build and send an error packet.\r
136	\r
137	@param[in] Instance The pointer to the Mtftp6 instance.\r
138	@param[in] ErrCode The error code in the packet.\r
139	@param[in] ErrInfo The error message in the packet.\r
140	\r
141	@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the error packet.\r
142	@retval EFI_SUCCESS The error packet was transmitted.\r
143	@retval Others Failed to transmit the packet.\r
144	\r
145	**/\r
146	EFI_STATUS\r
147	Mtftp6SendError (\r
148	IN MTFTP6_INSTANCE *Instance,\r
149	IN UINT16 ErrCode,\r
150	IN UINT8* ErrInfo\r
151	);\r
152	\r
153	\r
154	/**\r
155	Send the packet for the Mtftp6 instance.\r
156	\r
157	@param[in] Instance The pointer to the Mtftp6 instance.\r
158	@param[in] Packet The pointer to the packet to be sent.\r
159	\r
160	@retval EFI_SUCCESS The packet was sent out\r
161	@retval Others Failed to transmit the packet.\r
162	\r
163	**/\r
164	EFI_STATUS\r
165	Mtftp6TransmitPacket (\r
166	IN MTFTP6_INSTANCE *Instance,\r
167	IN NET_BUF *Packet\r
168	);\r
169	\r
170	\r
171	/**\r
172	Check packet for GetInfo callback routine.\r
173	\r
174	@param[in] This The pointer to the Mtftp6 protocol.\r
175	@param[in] Token The pointer to the Mtftp6 token.\r
176	@param[in] PacketLen The length of the packet\r
177	@param[in] Packet The pointer to the received packet.\r
178	\r
179	@retval EFI_SUCCESS The check process passed successfully.\r
180	@retval EFI_ABORTED Abort the Mtftp6 operation.\r
181	\r
182	**/\r
183	EFI_STATUS\r
184	EFIAPI\r
185	Mtftp6CheckPacket (\r
186	IN EFI_MTFTP6_PROTOCOL *This,\r
187	IN EFI_MTFTP6_TOKEN *Token,\r
188	IN UINT16 PacketLen,\r
189	IN EFI_MTFTP6_PACKET *Packet\r
190	);\r
191	\r
192	\r
193	/**\r
194	The dummy configure routine for create a new Udp6 Io.\r
195	\r
196	@param[in] UdpIo The pointer to the Udp6 Io.\r
197	@param[in] Context The pointer to the context.\r
198	\r
199	@retval EFI_SUCCESS The value is always returned.\r
200	\r
201	**/\r
202	EFI_STATUS\r
203	EFIAPI\r
204	Mtftp6ConfigDummyUdpIo (\r
205	IN UDP_IO *UdpIo,\r
206	IN VOID *Context\r
207	);\r
208	\r
209	\r
210	/**\r
211	The configure routine for the Mtftp6 instance to transmit/receive.\r
212	\r
213	@param[in] UdpIo The pointer to the Udp6 Io.\r
214	@param[in] ServerIp The pointer to the server address.\r
215	@param[in] ServerPort The pointer to the server port.\r
216	@param[in] LocalIp The pointer to the local address.\r
217	@param[in] LocalPort The pointer to the local port.\r
218	\r
219	@retval EFI_SUCCESS Configure the Udp6 Io for Mtftp6 successfully.\r
220	@retval EFI_NO_MAPPING The corresponding Ip6 instance has not been\r
221	configured yet.\r
222	\r
223	**/\r
224	EFI_STATUS\r
225	Mtftp6ConfigUdpIo (\r
226	IN UDP_IO *UdpIo,\r
227	IN EFI_IPv6_ADDRESS *ServerIp,\r
228	IN UINT16 ServerPort,\r
229	IN EFI_IPv6_ADDRESS *LocalIp,\r
230	IN UINT16 LocalPort\r
231	);\r
232	\r
233	\r
234	/**\r
235	Clean up the current Mtftp6 operation.\r
236	\r
237	@param[in] Instance The pointer to the Mtftp6 instance.\r
238	@param[in] Result The result to be returned to the user.\r
239	\r
240	**/\r
241	VOID\r
242	Mtftp6OperationClean (\r
243	IN MTFTP6_INSTANCE *Instance,\r
244	IN EFI_STATUS Result\r
245	);\r
246	\r
247	\r
248	/**\r
249	Start the Mtftp6 instance to perform the operation, such as read file,\r
250	write file, and read directory.\r
251	\r
252	@param[in] This The MTFTP session\r
253	@param[in] Token The token that encapsulates the user's request.\r
254	@param[in] OpCode The operation to perform.\r
255	\r
256	@retval EFI_INVALID_PARAMETER Some of the parameters are invalid.\r
257	@retval EFI_NOT_STARTED The MTFTP session hasn't been configured.\r
258	@retval EFI_ALREADY_STARTED There is pending operation for the session.\r
259	@retval EFI_SUCCESS The operation was successfully started.\r
260	\r
261	**/\r
262	EFI_STATUS\r
263	Mtftp6OperationStart (\r
264	IN EFI_MTFTP6_PROTOCOL *This,\r
265	IN EFI_MTFTP6_TOKEN *Token,\r
266	IN UINT16 OpCode\r
267	);\r
268	\r
269	\r
270	/**\r
271	The timer ticking routine for the Mtftp6 instance.\r
272	\r
273	@param[in] Event The pointer to the ticking event.\r
274	@param[in] Context The pointer to the context.\r
275	\r
276	**/\r
277	VOID\r
278	EFIAPI\r
279	Mtftp6OnTimerTick (\r
280	IN EFI_EVENT Event,\r
281	IN VOID *Context\r
282	);\r
283	\r
284	\r
285	/**\r
286	The packet process callback for Mtftp6 upload.\r
287	\r
288	@param[in] UdpPacket The pointer to the packet received.\r
289	@param[in] UdpEpt The pointer to the Udp6 access point.\r
290	@param[in] IoStatus The status from the Udp6 instance.\r
291	@param[in] Context The pointer to the context.\r
292	\r
293	**/\r
294	VOID\r
295	EFIAPI\r
296	Mtftp6WrqInput (\r
297	IN NET_BUF *UdpPacket,\r
298	IN UDP_END_POINT *UdpEpt,\r
299	IN EFI_STATUS IoStatus,\r
300	IN VOID *Context\r
301	);\r
302	\r
303	\r
304	/**\r
305	Start the Mtftp6 instance to upload. It will first init some states,\r
306	then send the WRQ request packet, and start to receive the packet.\r
307	\r
308	@param[in] Instance The pointer to the Mtftp6 instance.\r
309	@param[in] Operation The operation code of current packet.\r
310	\r
311	@retval EFI_SUCCESS The Mtftp6 was started to upload.\r
312	@retval Others Failed to start to upload.\r
313	\r
314	**/\r
315	EFI_STATUS\r
316	Mtftp6WrqStart (\r
317	IN MTFTP6_INSTANCE *Instance,\r
318	IN UINT16 Operation\r
319	);\r
320	\r
321	\r
322	/**\r
323	The packet process callback for Mtftp6 download.\r
324	\r
325	@param[in] UdpPacket The pointer to the packet received.\r
326	@param[in] UdpEpt The pointer to the Udp6 access point.\r
327	@param[in] IoStatus The status from Udp6 instance.\r
328	@param[in] Context The pointer to the context.\r
329	\r
330	**/\r
331	VOID\r
332	EFIAPI\r
333	Mtftp6RrqInput (\r
334	IN NET_BUF *UdpPacket,\r
335	IN UDP_END_POINT *UdpEpt,\r
336	IN EFI_STATUS IoStatus,\r
337	IN VOID *Context\r
338	);\r
339	\r
340	\r
341	/**\r
342	Start the Mtftp6 instance to download. It first initializes some\r
343	of the internal states then builds and sends an RRQ reqeuest packet.\r
344	Finally, it starts receive for the downloading.\r
345	\r
346	@param[in] Instance The pointer to the Mtftp6 instance.\r
347	@param[in] Operation The operation code of current packet.\r
348	\r
349	@retval EFI_SUCCESS The Mtftp6 was started to download.\r
350	@retval Others Failed to start to download.\r
351	\r
352	**/\r
353	EFI_STATUS\r
354	Mtftp6RrqStart (\r
355	IN MTFTP6_INSTANCE *Instance,\r
356	IN UINT16 Operation\r
357	);\r
358	\r
359	#endif\r