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1 | /** @file\r | |
2 | Definitions for EFI IPv4 Configuration II Protocol implementation.\r | |
3 | \r | |
4 | Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
5 | (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r | |
6 | \r | |
7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
8 | \r | |
9 | **/\r | |
10 | \r | |
11 | #ifndef __IP4_CONFIG2_IMPL_H__\r | |
12 | #define __IP4_CONFIG2_IMPL_H__\r | |
13 | \r | |
14 | #define IP4_CONFIG2_INSTANCE_SIGNATURE SIGNATURE_32 ('I', 'P', 'C', '2')\r | |
15 | #define IP4_FORM_CALLBACK_INFO_SIGNATURE SIGNATURE_32 ('I', 'F', 'C', 'I')\r | |
16 | \r | |
17 | #define IP4_CONFIG2_VARIABLE_ATTRIBUTE (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS)\r | |
18 | \r | |
19 | #define DATA_ATTRIB_SIZE_FIXED 0x1\r | |
20 | #define DATA_ATTRIB_VOLATILE 0x2\r | |
21 | \r | |
22 | #define DATA_ATTRIB_SET(Attrib, Bits) (BOOLEAN)((Attrib) & (Bits))\r | |
23 | #define SET_DATA_ATTRIB(Attrib, Bits) ((Attrib) |= (Bits))\r | |
24 | #define REMOVE_DATA_ATTRIB(Attrib, Bits) ((Attrib) &= (~Bits))\r | |
25 | \r | |
26 | typedef struct _IP4_CONFIG2_INSTANCE IP4_CONFIG2_INSTANCE;\r | |
27 | \r | |
28 | #define IP4_CONFIG2_INSTANCE_FROM_PROTOCOL(Proto) \\r | |
29 | CR ((Proto), \\r | |
30 | IP4_CONFIG2_INSTANCE, \\r | |
31 | Ip4Config2, \\r | |
32 | IP4_CONFIG2_INSTANCE_SIGNATURE \\r | |
33 | )\r | |
34 | \r | |
35 | #define IP4_SERVICE_FROM_IP4_CONFIG2_INSTANCE(Instance) \\r | |
36 | CR ((Instance), \\r | |
37 | IP4_SERVICE, \\r | |
38 | Ip4Config2Instance, \\r | |
39 | IP4_SERVICE_SIGNATURE \\r | |
40 | )\r | |
41 | \r | |
42 | #define IP4_CONFIG2_INSTANCE_FROM_FORM_CALLBACK(Callback) \\r | |
43 | CR ((Callback), \\r | |
44 | IP4_CONFIG2_INSTANCE, \\r | |
45 | CallbackInfo, \\r | |
46 | IP4_CONFIG2_INSTANCE_SIGNATURE \\r | |
47 | )\r | |
48 | \r | |
49 | #define IP4_FORM_CALLBACK_INFO_FROM_CONFIG_ACCESS(ConfigAccess) \\r | |
50 | CR ((ConfigAccess), \\r | |
51 | IP4_FORM_CALLBACK_INFO, \\r | |
52 | HiiConfigAccessProtocol, \\r | |
53 | IP4_FORM_CALLBACK_INFO_SIGNATURE \\r | |
54 | )\r | |
55 | \r | |
56 | /**\r | |
57 | The prototype of work function for EfiIp4Config2SetData().\r | |
58 | \r | |
59 | @param[in] Instance The pointer to the IP4 config2 instance data.\r | |
60 | @param[in] DataSize In bytes, the size of the buffer pointed to by Data.\r | |
61 | @param[in] Data The data buffer to set.\r | |
62 | \r | |
63 | @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type,\r | |
64 | 8 bytes.\r | |
65 | @retval EFI_SUCCESS The specified configuration data for the EFI IPv4\r | |
66 | network stack was set successfully.\r | |
67 | \r | |
68 | **/\r | |
69 | typedef\r | |
70 | EFI_STATUS\r | |
71 | (*IP4_CONFIG2_SET_DATA) (\r | |
72 | IN IP4_CONFIG2_INSTANCE *Instance,\r | |
73 | IN UINTN DataSize,\r | |
74 | IN VOID *Data\r | |
75 | );\r | |
76 | \r | |
77 | /**\r | |
78 | The prototype of work function for EfiIp4Config2GetData().\r | |
79 | \r | |
80 | @param[in] Instance The pointer to the IP4 config2 instance data.\r | |
81 | @param[in, out] DataSize On input, in bytes, the size of Data. On output, in\r | |
82 | bytes, the size of buffer required to store the specified\r | |
83 | configuration data.\r | |
84 | @param[in] Data The data buffer in which the configuration data is returned.\r | |
85 | Ignored if DataSize is ZERO.\r | |
86 | \r | |
87 | @retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified\r | |
88 | configuration data, and the required size is\r | |
89 | returned in DataSize.\r | |
90 | @retval EFI_SUCCESS The specified configuration data was obtained successfully.\r | |
91 | \r | |
92 | **/\r | |
93 | typedef\r | |
94 | EFI_STATUS\r | |
95 | (*IP4_CONFIG2_GET_DATA) (\r | |
96 | IN IP4_CONFIG2_INSTANCE *Instance,\r | |
97 | IN OUT UINTN *DataSize,\r | |
98 | IN VOID *Data OPTIONAL\r | |
99 | );\r | |
100 | \r | |
101 | typedef union {\r | |
102 | VOID *Ptr;\r | |
103 | EFI_IP4_CONFIG2_INTERFACE_INFO *IfInfo;\r | |
104 | EFI_IP4_CONFIG2_POLICY *Policy;\r | |
105 | EFI_IP4_CONFIG2_MANUAL_ADDRESS *ManualAddress;\r | |
106 | EFI_IPv4_ADDRESS *Gateway;\r | |
107 | EFI_IPv4_ADDRESS *DnsServers;\r | |
108 | } IP4_CONFIG2_DATA;\r | |
109 | \r | |
110 | typedef struct {\r | |
111 | IP4_CONFIG2_SET_DATA SetData;\r | |
112 | IP4_CONFIG2_GET_DATA GetData;\r | |
113 | EFI_STATUS Status;\r | |
114 | UINT8 Attribute;\r | |
115 | NET_MAP EventMap;\r | |
116 | IP4_CONFIG2_DATA Data;\r | |
117 | UINTN DataSize;\r | |
118 | } IP4_CONFIG2_DATA_ITEM;\r | |
119 | \r | |
120 | typedef struct {\r | |
121 | UINT16 Offset;\r | |
122 | UINT32 DataSize;\r | |
123 | EFI_IP4_CONFIG2_DATA_TYPE DataType;\r | |
124 | } IP4_CONFIG2_DATA_RECORD;\r | |
125 | \r | |
126 | #pragma pack(1)\r | |
127 | \r | |
128 | //\r | |
129 | // heap data that contains the data for each data record.\r | |
130 | //\r | |
131 | // EFI_IP4_CONFIG2_POLICY Policy;\r | |
132 | // UINT32 ManualaddressCount;\r | |
133 | // UINT32 GatewayCount;\r | |
134 | // UINT32 DnsServersCount;\r | |
135 | // EFI_IP4_CONFIG2_MANUAL_ADDRESS ManualAddress[];\r | |
136 | // EFI_IPv4_ADDRESS Gateway[];\r | |
137 | // EFI_IPv4_ADDRESS DnsServers[];\r | |
138 | //\r | |
139 | typedef struct {\r | |
140 | UINT16 Checksum;\r | |
141 | UINT16 DataRecordCount;\r | |
142 | IP4_CONFIG2_DATA_RECORD DataRecord[1];\r | |
143 | } IP4_CONFIG2_VARIABLE;\r | |
144 | \r | |
145 | #pragma pack()\r | |
146 | \r | |
147 | typedef struct {\r | |
148 | EFI_IP4_CONFIG2_POLICY Policy; ///< manual or automatic\r | |
149 | EFI_IP4_CONFIG2_MANUAL_ADDRESS *ManualAddress; ///< IP addresses\r | |
150 | UINT32 ManualAddressCount; ///< IP addresses count\r | |
151 | EFI_IPv4_ADDRESS *GatewayAddress; ///< Gateway address\r | |
152 | UINT32 GatewayAddressCount; ///< Gateway address count\r | |
153 | EFI_IPv4_ADDRESS *DnsAddress; ///< DNS server address\r | |
154 | UINT32 DnsAddressCount; ///< DNS server address count\r | |
155 | } IP4_CONFIG2_NVDATA;\r | |
156 | \r | |
157 | typedef struct _IP4_FORM_CALLBACK_INFO {\r | |
158 | UINT32 Signature;\r | |
159 | EFI_HANDLE ChildHandle;\r | |
160 | EFI_HII_CONFIG_ACCESS_PROTOCOL HiiConfigAccessProtocol;\r | |
161 | EFI_DEVICE_PATH_PROTOCOL *HiiVendorDevicePath;\r | |
162 | EFI_HII_HANDLE RegisteredHandle;\r | |
163 | } IP4_FORM_CALLBACK_INFO;\r | |
164 | \r | |
165 | struct _IP4_CONFIG2_INSTANCE {\r | |
166 | UINT32 Signature;\r | |
167 | BOOLEAN Configured;\r | |
168 | LIST_ENTRY Link;\r | |
169 | UINT16 IfIndex;\r | |
170 | \r | |
171 | EFI_IP4_CONFIG2_PROTOCOL Ip4Config2;\r | |
172 | \r | |
173 | EFI_IP4_CONFIG2_INTERFACE_INFO InterfaceInfo;\r | |
174 | EFI_IP4_CONFIG2_POLICY Policy;\r | |
175 | IP4_CONFIG2_DATA_ITEM DataItem[Ip4Config2DataTypeMaximum];\r | |
176 | \r | |
177 | EFI_EVENT Dhcp4SbNotifyEvent;\r | |
178 | VOID *Registration;\r | |
179 | EFI_HANDLE Dhcp4Handle;\r | |
180 | EFI_DHCP4_PROTOCOL *Dhcp4;\r | |
181 | BOOLEAN DhcpSuccess;\r | |
182 | BOOLEAN OtherInfoOnly;\r | |
183 | EFI_EVENT Dhcp4Event;\r | |
184 | UINT32 FailedIaAddressCount;\r | |
185 | EFI_IPv4_ADDRESS *DeclineAddress;\r | |
186 | UINT32 DeclineAddressCount;\r | |
187 | \r | |
188 | IP4_FORM_CALLBACK_INFO CallbackInfo;\r | |
189 | \r | |
190 | IP4_CONFIG2_NVDATA Ip4NvData;\r | |
191 | };\r | |
192 | \r | |
193 | //\r | |
194 | // Configure the DHCP to request the routers and netmask\r | |
195 | // from server. The DHCP4_TAG_NETMASK is included in Head.\r | |
196 | //\r | |
197 | #pragma pack(1)\r | |
198 | typedef struct {\r | |
199 | EFI_DHCP4_PACKET_OPTION Head;\r | |
200 | UINT8 Route;\r | |
201 | UINT8 Dns;\r | |
202 | } IP4_CONFIG2_DHCP4_OPTION;\r | |
203 | #pragma pack()\r | |
204 | \r | |
205 | /**\r | |
206 | Read the configuration data from variable storage according to the VarName and\r | |
207 | gEfiIp4Config2ProtocolGuid. It checks the integrity of variable data. If the\r | |
208 | data is corrupted, it clears the variable data to ZERO. Otherwise, it outputs the\r | |
209 | configuration data to IP4_CONFIG2_INSTANCE.\r | |
210 | \r | |
211 | @param[in] VarName The pointer to the variable name\r | |
212 | @param[in, out] Instance The pointer to the IP4 config2 instance data.\r | |
213 | \r | |
214 | @retval EFI_NOT_FOUND The variable can not be found or already corrupted.\r | |
215 | @retval EFI_OUT_OF_RESOURCES Fail to allocate resource to complete the operation.\r | |
216 | @retval EFI_SUCCESS The configuration data was retrieved successfully.\r | |
217 | \r | |
218 | **/\r | |
219 | EFI_STATUS\r | |
220 | Ip4Config2ReadConfigData (\r | |
221 | IN CHAR16 *VarName,\r | |
222 | IN OUT IP4_CONFIG2_INSTANCE *Instance\r | |
223 | );\r | |
224 | \r | |
225 | /**\r | |
226 | Start the DHCP configuration for this IP service instance.\r | |
227 | It will locates the EFI_IP4_CONFIG2_PROTOCOL, then start the\r | |
228 | DHCP configuration.\r | |
229 | \r | |
230 | @param[in] Instance The IP4 config2 instance to configure.\r | |
231 | \r | |
232 | @retval EFI_SUCCESS The auto configuration is successfully started.\r | |
233 | @retval Others Failed to start auto configuration.\r | |
234 | \r | |
235 | **/\r | |
236 | EFI_STATUS\r | |
237 | Ip4StartAutoConfig (\r | |
238 | IN IP4_CONFIG2_INSTANCE *Instance\r | |
239 | );\r | |
240 | \r | |
241 | /**\r | |
242 | Initialize an IP4_CONFIG2_INSTANCE.\r | |
243 | \r | |
244 | @param[out] Instance The buffer of IP4_CONFIG2_INSTANCE to be initialized.\r | |
245 | \r | |
246 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resources to complete the operation.\r | |
247 | @retval EFI_SUCCESS The IP4_CONFIG2_INSTANCE initialized successfully.\r | |
248 | \r | |
249 | **/\r | |
250 | EFI_STATUS\r | |
251 | Ip4Config2InitInstance (\r | |
252 | OUT IP4_CONFIG2_INSTANCE *Instance\r | |
253 | );\r | |
254 | \r | |
255 | /**\r | |
256 | Release an IP4_CONFIG2_INSTANCE.\r | |
257 | \r | |
258 | @param[in, out] Instance The buffer of IP4_CONFIG2_INSTANCE to be freed.\r | |
259 | \r | |
260 | **/\r | |
261 | VOID\r | |
262 | Ip4Config2CleanInstance (\r | |
263 | IN OUT IP4_CONFIG2_INSTANCE *Instance\r | |
264 | );\r | |
265 | \r | |
266 | /**\r | |
267 | Request Ip4AutoReconfigCallBackDpc as a DPC at TPL_CALLBACK.\r | |
268 | \r | |
269 | @param Event The event that is signalled.\r | |
270 | @param Context The IP4 service binding instance.\r | |
271 | \r | |
272 | **/\r | |
273 | VOID\r | |
274 | EFIAPI\r | |
275 | Ip4AutoReconfigCallBack (\r | |
276 | IN EFI_EVENT Event,\r | |
277 | IN VOID *Context\r | |
278 | );\r | |
279 | \r | |
280 | /**\r | |
281 | Destroy the Dhcp4 child in IP4_CONFIG2_INSTANCE and release the resources.\r | |
282 | \r | |
283 | @param[in, out] Instance The buffer of IP4 config2 instance to be freed.\r | |
284 | \r | |
285 | @retval EFI_SUCCESS The child was successfully destroyed.\r | |
286 | @retval Others Failed to destroy the child.\r | |
287 | \r | |
288 | **/\r | |
289 | EFI_STATUS\r | |
290 | Ip4Config2DestroyDhcp4 (\r | |
291 | IN OUT IP4_CONFIG2_INSTANCE *Instance\r | |
292 | );\r | |
293 | \r | |
294 | #endif\r |