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d7ce7006 | 1 | /** @file\r |
2 | Implement the connection to the EFI socket library\r | |
3 | \r | |
4 | Copyright (c) 2011, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
eb222aea | 15 | #include "Socket.h"\r |
d7ce7006 | 16 | \r |
17 | \r | |
18 | CONST EFI_GUID mEslRawServiceGuid = {\r | |
19 | 0xc31bf4a5, 0x2c7, 0x49d2, { 0xa5, 0x58, 0xfe, 0x62, 0x6f, 0x7e, 0xd4, 0x77 }\r | |
20 | };\r | |
21 | \r | |
22 | CONST EFI_GUID mEslTcp4ServiceGuid = {\r | |
23 | 0xffc659c2, 0x4ef2, 0x4532, { 0xb8, 0x75, 0xcd, 0x9a, 0xa4, 0x27, 0x4c, 0xde }\r | |
24 | };\r | |
25 | \r | |
26 | CONST EFI_GUID mEslUdp4ServiceGuid = {\r | |
27 | 0x44e03a55, 0x8d97, 0x4511, { 0xbf, 0xef, 0xa, 0x8b, 0xc6, 0x2c, 0x25, 0xae }\r | |
28 | };\r | |
29 | \r | |
30 | \r | |
31 | /**\r | |
32 | Connect to the EFI socket library\r | |
33 | \r | |
34 | @param [in] ppSocketProtocol Address to receive the socket protocol address\r | |
35 | \r | |
36 | @retval 0 Successfully returned the socket protocol\r | |
37 | @retval other Value for errno\r | |
38 | **/\r | |
39 | int\r | |
40 | EslServiceGetProtocol (\r | |
41 | IN EFI_SOCKET_PROTOCOL ** ppSocketProtocol\r | |
42 | )\r | |
43 | {\r | |
44 | EFI_HANDLE ChildHandle;\r | |
45 | DT_SOCKET * pSocket;\r | |
46 | int RetVal;\r | |
47 | EFI_STATUS Status;\r | |
48 | \r | |
49 | DBG_ENTER ( );\r | |
50 | \r | |
51 | //\r | |
52 | // Assume success\r | |
53 | //\r | |
54 | RetVal = 0;\r | |
55 | \r | |
56 | //\r | |
57 | // Locate the socket protocol\r | |
58 | //\r | |
59 | ChildHandle = NULL;\r | |
60 | Status = EslSocketAllocate ( &ChildHandle,\r | |
61 | DEBUG_SOCKET,\r | |
62 | &pSocket );\r | |
63 | if ( !EFI_ERROR ( Status )) {\r | |
64 | *ppSocketProtocol = &pSocket->SocketProtocol;\r | |
65 | }\r | |
66 | else {\r | |
67 | //\r | |
68 | // No resources\r | |
69 | //\r | |
70 | RetVal = ENOMEM;\r | |
71 | }\r | |
72 | \r | |
73 | //\r | |
74 | // Return the operation status\r | |
75 | //\r | |
76 | DBG_EXIT_DEC ( RetVal );\r | |
77 | return RetVal;\r | |
78 | }\r | |
79 | \r | |
80 | \r | |
81 | /**\r | |
82 | Connect to the network layer\r | |
83 | \r | |
84 | @retval EFI_SUCCESS Successfully connected to the network layer\r | |
85 | \r | |
86 | **/\r | |
87 | EFI_STATUS\r | |
88 | EslServiceNetworkConnect (\r | |
89 | VOID\r | |
90 | )\r | |
91 | {\r | |
92 | UINTN HandleCount;\r | |
93 | EFI_HANDLE * pHandles;\r | |
94 | UINTN Index;\r | |
95 | CONST DT_SOCKET_BINDING * pSocketBinding;\r | |
96 | CONST DT_SOCKET_BINDING * pEnd;\r | |
97 | EFI_STATUS Status;\r | |
98 | \r | |
99 | DBG_ENTER ( );\r | |
100 | \r | |
101 | //\r | |
102 | // Initialize the socket layer\r | |
103 | //\r | |
104 | Status = EFI_SUCCESS;\r | |
105 | EslServiceLoad ( gImageHandle );\r | |
106 | \r | |
107 | //\r | |
108 | // Connect the network devices\r | |
109 | //\r | |
110 | pSocketBinding = &cEslSocketBinding [0];\r | |
111 | pEnd = &pSocketBinding [ cEslSocketBindingEntries ];\r | |
112 | while ( pEnd > pSocketBinding ) {\r | |
113 | //\r | |
114 | // Attempt to locate the network adapters\r | |
115 | //\r | |
116 | HandleCount = 0;\r | |
117 | pHandles = NULL;\r | |
118 | Status = gBS->LocateHandleBuffer ( ByProtocol,\r | |
119 | pSocketBinding->pNetworkBinding,\r | |
120 | NULL,\r | |
121 | &HandleCount,\r | |
122 | &pHandles );\r | |
123 | if ( EFI_ERROR ( Status )) {\r | |
124 | break;\r | |
125 | }\r | |
126 | if ( NULL != pHandles ) {\r | |
127 | //\r | |
128 | // Attempt to connect to this network adapter\r | |
129 | //\r | |
130 | for ( Index = 0; HandleCount > Index; Index++ ) {\r | |
131 | Status = EslServiceConnect ( gImageHandle,\r | |
132 | pHandles [ Index ]);\r | |
133 | if ( EFI_ERROR ( Status )) {\r | |
134 | break;\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | //\r | |
139 | // Done with the handles\r | |
140 | //\r | |
141 | gBS->FreePool ( pHandles );\r | |
142 | }\r | |
143 | \r | |
144 | //\r | |
145 | // Set the next network protocol\r | |
146 | //\r | |
147 | pSocketBinding += 1;\r | |
148 | }\r | |
149 | \r | |
150 | //\r | |
151 | // Return the network connection status\r | |
152 | //\r | |
153 | DBG_EXIT_STATUS ( Status );\r | |
154 | return Status;\r | |
155 | }\r | |
156 | \r | |
157 | \r | |
158 | /**\r | |
159 | Disconnect from the network layer\r | |
160 | \r | |
161 | @retval EFI_SUCCESS Successfully disconnected from the network layer\r | |
162 | \r | |
163 | **/\r | |
164 | EFI_STATUS\r | |
165 | EslServiceNetworkDisconnect (\r | |
166 | VOID\r | |
167 | )\r | |
168 | {\r | |
169 | UINTN HandleCount;\r | |
170 | EFI_HANDLE * pHandles;\r | |
171 | UINTN Index;\r | |
172 | CONST DT_SOCKET_BINDING * pSocketBinding;\r | |
173 | CONST DT_SOCKET_BINDING * pEnd;\r | |
174 | EFI_STATUS Status;\r | |
175 | \r | |
176 | DBG_ENTER ( );\r | |
177 | \r | |
178 | //\r | |
179 | // Assume success\r | |
180 | //\r | |
181 | Status = EFI_SUCCESS;\r | |
182 | \r | |
183 | //\r | |
184 | // Disconnect the network devices\r | |
185 | //\r | |
186 | pSocketBinding = &cEslSocketBinding [0];\r | |
187 | pEnd = &pSocketBinding [ cEslSocketBindingEntries ];\r | |
188 | while ( pEnd > pSocketBinding ) {\r | |
189 | //\r | |
190 | // Attempt to locate the network adapters\r | |
191 | //\r | |
192 | HandleCount = 0;\r | |
193 | pHandles = NULL;\r | |
194 | Status = gBS->LocateHandleBuffer ( ByProtocol,\r | |
195 | pSocketBinding->pNetworkBinding,\r | |
196 | NULL,\r | |
197 | &HandleCount,\r | |
198 | &pHandles );\r | |
199 | if ( EFI_ERROR ( Status )) {\r | |
200 | break;\r | |
201 | }\r | |
202 | if ( NULL != pHandles ) {\r | |
203 | //\r | |
204 | // Attempt to disconnect from this network adapter\r | |
205 | //\r | |
206 | for ( Index = 0; HandleCount > Index; Index++ ) {\r | |
207 | Status = EslServiceDisconnect ( gImageHandle,\r | |
208 | pHandles [ Index ]);\r | |
209 | if ( EFI_ERROR ( Status )) {\r | |
210 | break;\r | |
211 | }\r | |
212 | }\r | |
213 | \r | |
214 | //\r | |
215 | // Done with the handles\r | |
216 | //\r | |
217 | gBS->FreePool ( pHandles );\r | |
218 | }\r | |
219 | \r | |
220 | //\r | |
221 | // Set the next network protocol\r | |
222 | //\r | |
223 | pSocketBinding += 1;\r | |
224 | }\r | |
225 | \r | |
226 | //\r | |
227 | // Finish the disconnect operation\r | |
228 | //\r | |
229 | if ( !EFI_ERROR ( Status )) {\r | |
230 | EslServiceUnload ( );\r | |
231 | }\r | |
232 | \r | |
233 | //\r | |
234 | // Return the network connection status\r | |
235 | //\r | |
236 | DBG_EXIT_STATUS ( Status );\r | |
237 | return Status;\r | |
238 | }\r | |
239 | \r | |
240 | \r | |
241 | PFN_ESL_xSTRUCTOR mpfnEslConstructor = EslServiceNetworkConnect;\r | |
242 | PFN_ESL_xSTRUCTOR mpfnEslDestructor = EslServiceNetworkDisconnect;\r |