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1 | /** @file\r | |
2 | \r | |
3 | Mtftp4 Implementation.\r | |
4 | \r | |
5 | Mtftp4 Implementation, it supports the following RFCs:\r | |
6 | RFC1350 - THE TFTP PROTOCOL (REVISION 2)\r | |
7 | RFC2090 - TFTP Multicast Option\r | |
8 | RFC2347 - TFTP Option Extension\r | |
9 | RFC2348 - TFTP Blocksize Option\r | |
10 | RFC2349 - TFTP Timeout Interval and Transfer Size Options\r | |
11 | \r | |
12 | Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r | |
13 | This program and the accompanying materials\r | |
14 | are licensed and made available under the terms and conditions of the BSD License\r | |
15 | which accompanies this distribution. The full text of the license may be found at\r | |
16 | http://opensource.org/licenses/bsd-license.php<BR>\r | |
17 | \r | |
18 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
19 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
20 | \r | |
21 | **/\r | |
22 | \r | |
23 | \r | |
24 | #ifndef __EFI_MTFTP4_IMPL_H__\r | |
25 | #define __EFI_MTFTP4_IMPL_H__\r | |
26 | \r | |
27 | #include <Uefi.h>\r | |
28 | \r | |
29 | #include <Protocol/Udp4.h>\r | |
30 | #include <Protocol/Mtftp4.h>\r | |
31 | \r | |
32 | #include <Library/DebugLib.h>\r | |
33 | #include <Library/BaseMemoryLib.h>\r | |
34 | #include <Library/MemoryAllocationLib.h>\r | |
35 | #include <Library/UefiBootServicesTableLib.h>\r | |
36 | #include <Library/UdpIoLib.h>\r | |
37 | \r | |
38 | extern EFI_MTFTP4_PROTOCOL gMtftp4ProtocolTemplate;\r | |
39 | \r | |
40 | typedef struct _MTFTP4_SERVICE MTFTP4_SERVICE;\r | |
41 | typedef struct _MTFTP4_PROTOCOL MTFTP4_PROTOCOL;\r | |
42 | \r | |
43 | #include "Mtftp4Driver.h"\r | |
44 | #include "Mtftp4Option.h"\r | |
45 | #include "Mtftp4Support.h"\r | |
46 | \r | |
47 | \r | |
48 | ///\r | |
49 | /// Some constant value of Mtftp service.\r | |
50 | ///\r | |
51 | #define MTFTP4_SERVICE_SIGNATURE SIGNATURE_32 ('T', 'F', 'T', 'P')\r | |
52 | #define MTFTP4_PROTOCOL_SIGNATURE SIGNATURE_32 ('t', 'f', 't', 'p')\r | |
53 | \r | |
54 | #define MTFTP4_DEFAULT_SERVER_PORT 69\r | |
55 | #define MTFTP4_DEFAULT_TIMEOUT 3\r | |
56 | #define MTFTP4_DEFAULT_RETRY 5\r | |
57 | #define MTFTP4_DEFAULT_BLKSIZE 512\r | |
58 | #define MTFTP4_TIME_TO_GETMAP 5\r | |
59 | \r | |
60 | #define MTFTP4_STATE_UNCONFIGED 0\r | |
61 | #define MTFTP4_STATE_CONFIGED 1\r | |
62 | #define MTFTP4_STATE_DESTORY 2\r | |
63 | \r | |
64 | ///\r | |
65 | /// Mtftp service block\r | |
66 | ///\r | |
67 | struct _MTFTP4_SERVICE {\r | |
68 | UINT32 Signature;\r | |
69 | EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;\r | |
70 | \r | |
71 | BOOLEAN InDestory;\r | |
72 | \r | |
73 | UINT16 ChildrenNum;\r | |
74 | LIST_ENTRY Children;\r | |
75 | \r | |
76 | EFI_EVENT Timer; ///< Ticking timer for all the MTFTP clients\r | |
77 | EFI_EVENT TimerToGetMap;\r | |
78 | \r | |
79 | EFI_HANDLE Controller;\r | |
80 | EFI_HANDLE Image;\r | |
81 | \r | |
82 | //\r | |
83 | // This UDP child is used to keep the connection between the UDP\r | |
84 | // and MTFTP, so MTFTP will be notified when UDP is uninstalled.\r | |
85 | //\r | |
86 | UDP_IO *ConnectUdp;\r | |
87 | };\r | |
88 | \r | |
89 | \r | |
90 | typedef struct {\r | |
91 | EFI_MTFTP4_PACKET **Packet;\r | |
92 | UINT32 *PacketLen;\r | |
93 | EFI_STATUS Status;\r | |
94 | } MTFTP4_GETINFO_STATE;\r | |
95 | \r | |
96 | struct _MTFTP4_PROTOCOL {\r | |
97 | UINT32 Signature;\r | |
98 | LIST_ENTRY Link;\r | |
99 | EFI_MTFTP4_PROTOCOL Mtftp4;\r | |
100 | \r | |
101 | INTN State;\r | |
102 | BOOLEAN InDestory;\r | |
103 | \r | |
104 | MTFTP4_SERVICE *Service;\r | |
105 | EFI_HANDLE Handle;\r | |
106 | \r | |
107 | EFI_MTFTP4_CONFIG_DATA Config;\r | |
108 | \r | |
109 | //\r | |
110 | // Operation parameters: token and requested options.\r | |
111 | //\r | |
112 | EFI_MTFTP4_TOKEN *Token;\r | |
113 | MTFTP4_OPTION RequestOption;\r | |
114 | UINT16 Operation;\r | |
115 | \r | |
116 | //\r | |
117 | // Blocks is a list of MTFTP4_BLOCK_RANGE which contains\r | |
118 | // holes in the file\r | |
119 | //\r | |
120 | UINT16 BlkSize;\r | |
121 | UINT16 LastBlock;\r | |
122 | LIST_ENTRY Blocks;\r | |
123 | \r | |
124 | //\r | |
125 | // The server's communication end point: IP and two ports. one for\r | |
126 | // initial request, one for its selected port.\r | |
127 | //\r | |
128 | IP4_ADDR ServerIp;\r | |
129 | UINT16 ListeningPort;\r | |
130 | UINT16 ConnectedPort;\r | |
131 | IP4_ADDR Gateway;\r | |
132 | UDP_IO *UnicastPort;\r | |
133 | \r | |
134 | //\r | |
135 | // Timeout and retransmit status\r | |
136 | //\r | |
137 | NET_BUF *LastPacket;\r | |
138 | UINT32 PacketToLive;\r | |
139 | UINT32 CurRetry;\r | |
140 | UINT32 MaxRetry;\r | |
141 | UINT32 Timeout;\r | |
142 | \r | |
143 | //\r | |
144 | // Parameter used by RRQ's multicast download.\r | |
145 | //\r | |
146 | IP4_ADDR McastIp;\r | |
147 | UINT16 McastPort;\r | |
148 | BOOLEAN Master;\r | |
149 | UDP_IO *McastUdpPort;\r | |
150 | };\r | |
151 | \r | |
152 | /**\r | |
153 | Clean up the MTFTP session to get ready for new operation.\r | |
154 | \r | |
155 | @param Instance The MTFTP session to clean up\r | |
156 | @param Result The result to return to the caller who initiated\r | |
157 | the operation.\r | |
158 | **/\r | |
159 | VOID\r | |
160 | Mtftp4CleanOperation (\r | |
161 | IN OUT MTFTP4_PROTOCOL *Instance,\r | |
162 | IN EFI_STATUS Result\r | |
163 | );\r | |
164 | \r | |
165 | /**\r | |
166 | Start the MTFTP session for upload.\r | |
167 | \r | |
168 | It will first init some states, then send the WRQ request packet, \r | |
169 | and start receiving the packet.\r | |
170 | \r | |
171 | @param Instance The MTFTP session\r | |
172 | @param Operation Redundant parameter, which is always\r | |
173 | EFI_MTFTP4_OPCODE_WRQ here.\r | |
174 | \r | |
175 | @retval EFI_SUCCESS The upload process has been started.\r | |
176 | @retval Others Failed to start the upload.\r | |
177 | \r | |
178 | **/\r | |
179 | EFI_STATUS\r | |
180 | Mtftp4WrqStart (\r | |
181 | IN MTFTP4_PROTOCOL *Instance,\r | |
182 | IN UINT16 Operation\r | |
183 | );\r | |
184 | \r | |
185 | /**\r | |
186 | Start the MTFTP session to download. \r | |
187 | \r | |
188 | It will first initialize some of the internal states then build and send a RRQ \r | |
189 | reqeuest packet, at last, it will start receive for the downloading.\r | |
190 | \r | |
191 | @param Instance The Mtftp session\r | |
192 | @param Operation The MTFTP opcode, it may be a EFI_MTFTP4_OPCODE_RRQ\r | |
193 | or EFI_MTFTP4_OPCODE_DIR.\r | |
194 | \r | |
195 | @retval EFI_SUCCESS The mtftp download session is started.\r | |
196 | @retval Others Failed to start downloading.\r | |
197 | \r | |
198 | **/\r | |
199 | EFI_STATUS\r | |
200 | Mtftp4RrqStart (\r | |
201 | IN MTFTP4_PROTOCOL *Instance,\r | |
202 | IN UINT16 Operation\r | |
203 | );\r | |
204 | \r | |
205 | #define MTFTP4_SERVICE_FROM_THIS(a) \\r | |
206 | CR (a, MTFTP4_SERVICE, ServiceBinding, MTFTP4_SERVICE_SIGNATURE)\r | |
207 | \r | |
208 | #define MTFTP4_PROTOCOL_FROM_THIS(a) \\r | |
209 | CR (a, MTFTP4_PROTOCOL, Mtftp4, MTFTP4_PROTOCOL_SIGNATURE)\r | |
210 | \r | |
211 | #endif\r |