projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| d1f95000 | 1 | /** @file\r |
| 2 | EFI_DHCP4_PROTOCOL as defined in UEFI 2.0.\r | |
| 3 | EFI_DHCP4_SERVICE_BINDING_PROTOCOL as defined in UEFI 2.0.\r | |
| 305a1279 | 4 | These protocols are used to collect configuration information for the EFI IPv4 Protocol\r |
| d1f95000 | 5 | drivers and to provide DHCPv4 server and PXE boot server discovery services.\r |
| 6 | \r | |
| 4ca9b6c4 | 7 | Copyright (c) 2006 - 2008, Intel Corporation\r |
| 305a1279 | 8 | All rights reserved. This program and the accompanying materials\r |
| 9 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 10 | which accompanies this distribution. The full text of the license may be found at\r | |
| 11 | http://opensource.org/licenses/bsd-license.php\r | |
| d1f95000 | 12 | \r |
| 305a1279 | 13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| d1f95000 | 15 | \r |
| d1f95000 | 16 | **/\r |
| 17 | \r | |
| 18 | #ifndef __EFI_DHCP4_PROTOCOL_H__\r | |
| 19 | #define __EFI_DHCP4_PROTOCOL_H__\r | |
| 20 | \r | |
| 21 | #define EFI_DHCP4_PROTOCOL_GUID \\r | |
| 22 | { \\r | |
| 23 | 0x8a219718, 0x4ef5, 0x4761, {0x91, 0xc8, 0xc0, 0xf0, 0x4b, 0xda, 0x9e, 0x56 } \\r | |
| 24 | }\r | |
| 25 | \r | |
| 26 | #define EFI_DHCP4_SERVICE_BINDING_PROTOCOL_GUID \\r | |
| 27 | { \\r | |
| 28 | 0x9d9a39d8, 0xbd42, 0x4a73, {0xa4, 0xd5, 0x8e, 0xe9, 0x4b, 0xe1, 0x13, 0x80 } \\r | |
| 29 | }\r | |
| 305a1279 | 30 | \r |
| d1f95000 | 31 | typedef struct _EFI_DHCP4_PROTOCOL EFI_DHCP4_PROTOCOL;\r |
| 32 | \r | |
| 33 | \r | |
| 34 | #pragma pack(1)\r | |
| 35 | typedef struct {\r | |
| 74fec708 LG |
36 | ///\r |
| 37 | /// DHCP option code.\r | |
| 38 | ///\r | |
| d1f95000 | 39 | UINT8 OpCode;\r |
| 74fec708 LG |
40 | ///\r |
| 41 | /// Length of the DHCP option data. Not present if OpCode is 0 or 255.\r | |
| 42 | ///\r | |
| d1f95000 | 43 | UINT8 Length;\r |
| 74fec708 LG |
44 | ///\r |
| 45 | /// Start of the DHCP option data. Not present if OpCode is 0 or 255 or if Length is zero.\r | |
| 46 | ///\r | |
| d1f95000 | 47 | UINT8 Data[1];\r |
| 48 | } EFI_DHCP4_PACKET_OPTION;\r | |
| 49 | #pragma pack()\r | |
| 50 | \r | |
| 51 | \r | |
| 52 | #pragma pack(1)\r | |
| 74fec708 LG |
53 | ///\r |
| 54 | /// EFI_DHCP4_PACKET defines the format of DHCPv4 packets. See RFC 2131 for more information.\r | |
| 55 | ///\r | |
| d1f95000 | 56 | typedef struct {\r |
| 74fec708 LG |
57 | UINT8 OpCode;\r |
| 58 | UINT8 HwType;\r | |
| 59 | UINT8 HwAddrLen;\r | |
| 60 | UINT8 Hops;\r | |
| 61 | UINT32 Xid;\r | |
| 62 | UINT16 Seconds;\r | |
| 63 | UINT16 Reserved;\r | |
| 64 | EFI_IPv4_ADDRESS ClientAddr; ///< Client IP address from client\r | |
| 65 | EFI_IPv4_ADDRESS YourAddr; ///< Client IP address from server\r | |
| 66 | EFI_IPv4_ADDRESS ServerAddr; ///< IP address of next server in bootstrap\r | |
| 67 | EFI_IPv4_ADDRESS GatewayAddr; ///< Relay agent IP address\r | |
| 68 | UINT8 ClientHwAddr[16]; ///< Client hardware address\r | |
| 69 | CHAR8 ServerName[64];\r | |
| 70 | CHAR8 BootFileName[128];\r | |
| d1f95000 | 71 | }EFI_DHCP4_HEADER;\r |
| 72 | #pragma pack()\r | |
| 73 | \r | |
| 74 | \r | |
| 75 | #pragma pack(1)\r | |
| 76 | typedef struct {\r | |
| 74fec708 LG |
77 | ///\r |
| 78 | /// Size of the EFI_DHCP4_PACKET buffer.\r | |
| 79 | ///\r | |
| d1f95000 | 80 | UINT32 Size;\r |
| 74fec708 LG |
81 | ///\r |
| 82 | /// Length of the EFI_DHCP4_PACKET from the first byte of the Header field \r | |
| 83 | /// to the last byte of the Option[] field.\r | |
| 84 | ///\r | |
| d1f95000 | 85 | UINT32 Length;\r |
| 86 | \r | |
| 87 | struct {\r | |
| 74fec708 LG |
88 | ///\r |
| 89 | /// DHCP packet header.\r | |
| 90 | ///\r | |
| d1f95000 | 91 | EFI_DHCP4_HEADER Header;\r |
| 74fec708 LG |
92 | ///\r |
| 93 | /// DHCP magik cookie in network byte order.\r | |
| 94 | ///\r | |
| d1f95000 | 95 | UINT32 Magik;\r |
| 74fec708 LG |
96 | ///\r |
| 97 | /// Start of the DHCP packed option data.\r | |
| 98 | ///\r | |
| d1f95000 | 99 | UINT8 Option[1];\r |
| 100 | } Dhcp4;\r | |
| 101 | } EFI_DHCP4_PACKET;\r | |
| 102 | #pragma pack()\r | |
| 103 | \r | |
| 104 | \r | |
| 105 | typedef enum {\r | |
| 74fec708 LG |
106 | ///\r |
| 107 | /// The EFI DHCPv4 Protocol driver is stopped\r | |
| 108 | ///\r | |
| d1f95000 | 109 | Dhcp4Stopped = 0x0,\r |
| 74fec708 LG |
110 | ///\r |
| 111 | /// The EFI DHCPv4 Protocol driver is inactive\r | |
| 112 | ///\r | |
| d1f95000 | 113 | Dhcp4Init = 0x1,\r |
| 74fec708 LG |
114 | ///\r |
| 115 | /// The EFI DHCPv4 Protocol driver is collecting DHCP offer packets from DHCP servers.\r | |
| 116 | ///\r | |
| d1f95000 | 117 | Dhcp4Selecting = 0x2,\r |
| 74fec708 LG |
118 | ///\r |
| 119 | /// The EFI DHCPv4 Protocol driver has sent the request to the DHCP server and is waiting for a response.\r | |
| 120 | ///\r | |
| d1f95000 | 121 | Dhcp4Requesting = 0x3,\r |
| 74fec708 LG |
122 | ///\r |
| 123 | /// The DHCP configuration has completed.\r | |
| 124 | ///\r | |
| d1f95000 | 125 | Dhcp4Bound = 0x4,\r |
| 74fec708 LG |
126 | ///\r |
| 127 | /// The DHCP configuration is being renewed and another request has\r | |
| 128 | /// been sent out, but it has not received a response from the server yet.\r | |
| 129 | ///\r | |
| d1f95000 | 130 | Dhcp4Renewing = 0x5,\r |
| 74fec708 LG |
131 | ///\r |
| 132 | /// The DHCP configuration has timed out and the EFI DHCPv4\r | |
| 133 | /// Protocol driver is trying to extend the lease time.\r | |
| 134 | ///\r | |
| d1f95000 | 135 | Dhcp4Rebinding = 0x6,\r |
| 74fec708 LG |
136 | ///\r |
| 137 | /// The EFI DHCPv4 Protocol driver is initialized with a previously\r | |
| 138 | /// allocated or known IP address.\r | |
| 139 | ///\r | |
| d1f95000 | 140 | Dhcp4InitReboot = 0x7,\r |
| 74fec708 LG |
141 | ///\r |
| 142 | /// The EFI DHCPv4 Protocol driver is seeking to reuse the previously\r | |
| 143 | /// allocated IP address by sending a request to the DHCP server.\r | |
| 144 | ///\r | |
| d1f95000 | 145 | Dhcp4Rebooting = 0x8\r |
| 146 | } EFI_DHCP4_STATE;\r | |
| 147 | \r | |
| 148 | \r | |
| 149 | typedef enum{\r | |
| 74fec708 LG |
150 | ///\r |
| 151 | /// A DHCPDISCOVER packet is about to be sent.\r | |
| 152 | ///\r | |
| d1f95000 | 153 | Dhcp4SendDiscover = 0x01,\r |
| 74fec708 LG |
154 | ///\r |
| 155 | /// A DHCPOFFER packet was just received.\r | |
| 156 | ///\r | |
| d1f95000 | 157 | Dhcp4RcvdOffer = 0x02,\r |
| 74fec708 LG |
158 | ///\r |
| 159 | /// It is time for Dhcp4Callback to select an offer.\r | |
| 160 | ///\r | |
| d1f95000 | 161 | Dhcp4SelectOffer = 0x03,\r |
| 74fec708 LG |
162 | ///\r |
| 163 | /// A request packet is about to be sent.\r | |
| 164 | ///\r | |
| d1f95000 | 165 | Dhcp4SendRequest = 0x04,\r |
| 74fec708 LG |
166 | ///\r |
| 167 | /// A DHCPACK packet was received and will be passed to Dhcp4Callback.\r | |
| 168 | ///\r | |
| d1f95000 | 169 | Dhcp4RcvdAck = 0x05,\r |
| 74fec708 LG |
170 | ///\r |
| 171 | /// A DHCPNAK packet was received and will be passed to Dhcp4Callback.\r | |
| 172 | ///\r | |
| d1f95000 | 173 | Dhcp4RcvdNak = 0x06,\r |
| 74fec708 LG |
174 | ///\r |
| 175 | /// A decline packet is about to be sent.\r | |
| 176 | ///\r | |
| d1f95000 | 177 | Dhcp4SendDecline = 0x07,\r |
| 74fec708 LG |
178 | ///\r |
| 179 | /// The DHCP configuration process has completed. No packet is associated with this event.\r | |
| 180 | ///\r | |
| d1f95000 | 181 | Dhcp4BoundCompleted = 0x08,\r |
| 74fec708 LG |
182 | ///\r |
| 183 | /// It is time to enter the Dhcp4Renewing state and to contact the server \r | |
| 184 | /// that originally issued the network address. No packet is associated with this event.\r | |
| 185 | ///\r | |
| d1f95000 | 186 | Dhcp4EnterRenewing = 0x09,\r |
| 74fec708 LG |
187 | ///\r |
| 188 | /// It is time to enter the Dhcp4Rebinding state and to contact any server. \r | |
| 189 | /// No packet is associated with this event.\r | |
| 190 | ///\r | |
| d1f95000 | 191 | Dhcp4EnterRebinding = 0x0a,\r |
| 74fec708 LG |
192 | ///\r |
| 193 | /// The configured IP address was lost either because the lease has expired, \r | |
| 194 | /// the user released the configuration, or a DHCPNAK packet was received in \r | |
| 195 | /// the Dhcp4Renewing or Dhcp4Rebinding state. No packet is associated with this event.\r | |
| 196 | ///\r | |
| d1f95000 | 197 | Dhcp4AddressLost = 0x0b,\r |
| 74fec708 LG |
198 | ///\r |
| 199 | /// The DHCP process failed because a DHCPNAK packet was received or the user \r | |
| 200 | /// aborted the DHCP process at a time when the configuration was not available yet. \r | |
| 201 | /// No packet is associated with this event.\r | |
| 202 | ///\r | |
| d1f95000 | 203 | Dhcp4Fail = 0x0c\r |
| 204 | } EFI_DHCP4_EVENT;\r | |
| 205 | \r | |
| 305a1279 | 206 | /**\r |
| faac3f0c | 207 | Callback routine.\r |
| 208 | \r | |
| 209 | EFI_DHCP4_CALLBACK is provided by the consumer of the EFI DHCPv4 Protocol driver\r | |
| 210 | to intercept events that occurred in the configuration process. This structure\r | |
| 211 | provides advanced control of each state transition of the DHCP process. The\r | |
| 212 | returned status code determines the behavior of the EFI DHCPv4 Protocol driver.\r | |
| 213 | There are three possible returned values, which are described in the following\r | |
| 214 | table.\r | |
| 305a1279 | 215 | \r |
| d1f95000 | 216 | @param This Pointer to the EFI DHCPv4 Protocol instance that is used to\r |
| 305a1279 | 217 | configure this callback function.\r |
| d1f95000 | 218 | @param Context Pointer to the context that is initialized by\r |
| 305a1279 | 219 | EFI_DHCP4_PROTOCOL.Configure().\r |
| d1f95000 | 220 | @param CurrentState The current operational state of the EFI DHCPv4 Protocol\r |
| 305a1279 | 221 | driver.\r |
| d1f95000 | 222 | @param Dhcp4Event The event that occurs in the current state, which usually means a\r |
| 305a1279 | 223 | state transition.\r |
| 224 | @param Packet The DHCP packet that is going to be sent or already received.\r | |
| d1f95000 | 225 | @param NewPacket The packet that is used to replace the above Packet.\r |
| 305a1279 | 226 | \r |
| d1f95000 | 227 | @retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to continue the DHCP process.\r |
| 305a1279 | 228 | @retval EFI_NOT_READY Only used in the Dhcp4Selecting state. The EFI DHCPv4 Protocol\r |
| d1f95000 | 229 | driver will continue to wait for more DHCPOFFER packets until the retry\r |
| 305a1279 | 230 | timeout expires.\r |
| d1f95000 | 231 | @retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to abort the current process and\r |
| 305a1279 | 232 | return to the Dhcp4Init or Dhcp4InitReboot state.\r |
| 233 | \r | |
| d1f95000 | 234 | **/\r |
| 305a1279 | 235 | typedef\r |
| 236 | EFI_STATUS\r | |
| 8b13229b | 237 | (EFIAPI *EFI_DHCP4_CALLBACK)(\r |
| d1f95000 | 238 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 239 | IN VOID *Context,\r | |
| 240 | IN EFI_DHCP4_STATE CurrentState,\r | |
| 241 | IN EFI_DHCP4_EVENT Dhcp4Event,\r | |
| 305a1279 | 242 | IN EFI_DHCP4_PACKET *Packet OPTIONAL,\r |
| d1f95000 | 243 | OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL\r |
| 244 | );\r | |
| 245 | \r | |
| d1f95000 | 246 | typedef struct {\r |
| 74fec708 LG |
247 | ///\r |
| 248 | /// Number of times to try sending DHCPDISCOVER packets and \r | |
| 249 | /// waiting for DHCPOFFER packets before accepting failure.\r | |
| 250 | /// Set to zero to use the default try counts and timeout values.\r | |
| 251 | ///\r | |
| 305a1279 | 252 | UINT32 DiscoverTryCount;\r |
| 74fec708 LG |
253 | ///\r |
| 254 | /// Maximum amount of time (in seconds) to wait for DHCPOFFER packets in each \r | |
| 255 | /// of the retries. Timeout values of zero will default to a timeout value \r | |
| 256 | /// of one second. Set to NULL to use default timeout values.\r | |
| 257 | ///\r | |
| d1f95000 | 258 | UINT32 *DiscoverTimeout;\r |
| 74fec708 LG |
259 | ///\r |
| 260 | /// Number of times to try sending DHCPREQUEST packets and waiting for DHCPACK \r | |
| 261 | /// packets before accepting failure. Set to zero to use the default try counts and timeout values.\r | |
| 262 | ///\r | |
| d1f95000 | 263 | UINT32 RequestTryCount;\r |
| 74fec708 LG |
264 | ///\r |
| 265 | /// Maximum amount of time (in seconds) to wait for DHCPACK packets in each of the retries. \r | |
| 266 | /// Timeout values of zero will default to a timeout value of one second. \r | |
| 267 | /// Set to NULL to use default timeout values.\r | |
| 268 | ///\r | |
| d1f95000 | 269 | UINT32 *RequestTimeout;\r |
| 74fec708 LG |
270 | ///\r |
| 271 | /// Setting this parameter to the previously allocated IP address will cause \r | |
| 272 | /// the EFI DHCPv4 Protocol driver to enter the Dhcp4InitReboot state. \r | |
| 273 | /// Set this field to 0.0.0.0 to enter the Dhcp4Init state.\r | |
| 274 | ///\r | |
| d1f95000 | 275 | EFI_IPv4_ADDRESS ClientAddress;\r |
| 74fec708 LG |
276 | ///\r |
| 277 | /// The callback function to intercept various events that occurred in \r | |
| 278 | /// the DHCP configuration process. Set to NULL to ignore all those events.\r | |
| 279 | ///\r | |
| d1f95000 | 280 | EFI_DHCP4_CALLBACK Dhcp4Callback;\r |
| 74fec708 LG |
281 | ///\r |
| 282 | /// Pointer to the context that will be passed to Dhcp4Callback when it is called.\r | |
| 283 | ///\r | |
| 284 | VOID *CallbackContext;\r | |
| 285 | ///\r | |
| 286 | /// Number of DHCP options in the OptionList.\r | |
| 287 | ///\r | |
| d1f95000 | 288 | UINT32 OptionCount;\r |
| 74fec708 LG |
289 | ///\r |
| 290 | /// List of DHCP options to be included in every DHCPDISCOVER packet and \r | |
| 291 | /// subsequent DHCPREQUEST packet that is generated from DHCPOFFER packets.\r | |
| 292 | ///\r | |
| d1f95000 | 293 | EFI_DHCP4_PACKET_OPTION **OptionList;\r |
| 294 | } EFI_DHCP4_CONFIG_DATA;\r | |
| 295 | \r | |
| 296 | \r | |
| 297 | typedef struct {\r | |
| 74fec708 LG |
298 | ///\r |
| 299 | /// The EFI DHCPv4 Protocol driver operating state. \r | |
| 300 | ///\r | |
| d1f95000 | 301 | EFI_DHCP4_STATE State;\r |
| 74fec708 LG |
302 | ///\r |
| 303 | /// The configuration data of the current EFI DHCPv4 Protocol driver instance.\r | |
| 304 | ///\r | |
| d1f95000 | 305 | EFI_DHCP4_CONFIG_DATA ConfigData;\r |
| 74fec708 LG |
306 | ///\r |
| 307 | /// The client IP address that was acquired from the DHCP server. If it is zero,\r | |
| 308 | /// the DHCP acquisition has not completed yet and the following fields in this structure are undefined.\r | |
| 309 | ///\r | |
| d1f95000 | 310 | EFI_IPv4_ADDRESS ClientAddress;\r |
| 74fec708 LG |
311 | ///\r |
| 312 | /// The local hardware address.\r | |
| 313 | ///\r | |
| d1f95000 | 314 | EFI_MAC_ADDRESS ClientMacAddress;\r |
| 74fec708 LG |
315 | ///\r |
| 316 | /// The server IP address that is providing the DHCP service to this client.\r | |
| 317 | ///\r | |
| d1f95000 | 318 | EFI_IPv4_ADDRESS ServerAddress;\r |
| 74fec708 LG |
319 | ///\r |
| 320 | /// The router IP address that was acquired from the DHCP server. \r | |
| 321 | /// May be zero if the server does not offer this address.\r | |
| 322 | ///\r | |
| d1f95000 | 323 | EFI_IPv4_ADDRESS RouterAddress;\r |
| 74fec708 LG |
324 | ///\r |
| 325 | /// The subnet mask of the connected network that was acquired from the DHCP server.\r | |
| 326 | ///\r | |
| d1f95000 | 327 | EFI_IPv4_ADDRESS SubnetMask;\r |
| 74fec708 LG |
328 | ///\r |
| 329 | /// The lease time (in 1-second units) of the configured IP address. \r | |
| 330 | /// The value 0xFFFFFFFF means that the lease time is infinite. \r | |
| 331 | /// A default lease of 7 days is used if the DHCP server does not provide a value.\r | |
| 332 | ///\r | |
| d1f95000 | 333 | UINT32 LeaseTime;\r |
| 74fec708 LG |
334 | ///\r |
| 335 | /// The cached latest DHCPACK or DHCPNAK or BOOTP REPLY packet. May be NULL if no packet is cached.\r | |
| 336 | ///\r | |
| d1f95000 | 337 | EFI_DHCP4_PACKET *ReplyPacket;\r |
| 338 | } EFI_DHCP4_MODE_DATA;\r | |
| 339 | \r | |
| 340 | \r | |
| 341 | typedef struct {\r | |
| 74fec708 LG |
342 | ///\r |
| 343 | /// Alternate listening address. It can be a unicast, multicast, or broadcast address.\r | |
| 344 | ///\r | |
| d1f95000 | 345 | EFI_IPv4_ADDRESS ListenAddress;\r |
| 74fec708 LG |
346 | ///\r |
| 347 | /// The subnet mask of above listening unicast/broadcast IP address. \r | |
| 348 | /// Ignored if ListenAddress is a multicast address.\r | |
| 349 | ///\r | |
| d1f95000 | 350 | EFI_IPv4_ADDRESS SubnetMask;\r |
| 74fec708 LG |
351 | ///\r |
| 352 | /// Alternate station source (or listening) port number. \r | |
| 353 | /// If zero, then the default station port number (68) will be used.\r | |
| 354 | ///\r | |
| d1f95000 | 355 | UINT16 ListenPort;\r |
| 356 | } EFI_DHCP4_LISTEN_POINT;\r | |
| 357 | \r | |
| 358 | \r | |
| 359 | typedef struct {\r | |
| 74fec708 LG |
360 | ///\r |
| 361 | /// The completion status of transmitting and receiving.\r | |
| 362 | ///\r | |
| 305a1279 | 363 | EFI_STATUS Status;\r |
| 74fec708 LG |
364 | ///\r |
| 365 | /// If not NULL, the event that will be signaled when the collection process \r | |
| 366 | /// completes. If NULL, this function will busy-wait until the collection process competes.\r | |
| 367 | ///\r | |
| 305a1279 | 368 | EFI_EVENT CompletionEvent;\r |
| 74fec708 LG |
369 | ///\r |
| 370 | /// Pointer to the server IP address. This address may be a unicast, multicast, or broadcast address.\r | |
| 371 | ///\r | |
| 305a1279 | 372 | EFI_IPv4_ADDRESS RemoteAddress;\r |
| 74fec708 LG |
373 | ///\r |
| 374 | /// Server listening port number. If zero, the default server listening port number (67) will be used.\r | |
| 375 | ///\r | |
| 305a1279 | 376 | UINT16 RemotePort;\r |
| 74fec708 LG |
377 | ///\r |
| 378 | /// Pointer to the gateway address to override the existing setting.\r | |
| 379 | ///\r | |
| 305a1279 | 380 | EFI_IPv4_ADDRESS GatewayAddress;\r |
| 74fec708 LG |
381 | ///\r |
| 382 | /// The number of entries in ListenPoints. If zero, the default station address and port number 68 are used.\r | |
| 383 | ///\r | |
| 305a1279 | 384 | UINT32 ListenPointCount;\r |
| 74fec708 LG |
385 | ///\r |
| 386 | /// An array of station address and port number pairs that are used as receiving filters. \r | |
| 387 | /// The first entry is also used as the source address and source port of the outgoing packet.\r | |
| 388 | ///\r | |
| 305a1279 | 389 | EFI_DHCP4_LISTEN_POINT *ListenPoints;\r |
| 74fec708 LG |
390 | ///\r |
| 391 | /// Number of seconds to collect responses. Zero is invalid.\r | |
| 392 | ///\r | |
| 305a1279 | 393 | UINT32 TimeoutValue;\r |
| 74fec708 LG |
394 | ///\r |
| 395 | /// Pointer to the packet to be transmitted.\r | |
| 396 | ///\r | |
| 305a1279 | 397 | EFI_DHCP4_PACKET *Packet;\r |
| 74fec708 LG |
398 | ///\r |
| 399 | /// Number of received packets.\r | |
| 400 | ///\r | |
| 305a1279 | 401 | UINT32 ResponseCount;\r |
| 74fec708 LG |
402 | ///\r |
| 403 | /// Pointer to the allocated list of received packets.\r | |
| 404 | ///\r | |
| 305a1279 | 405 | EFI_DHCP4_PACKET *ResponseList;\r |
| d1f95000 | 406 | } EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN;\r |
| 407 | \r | |
| 408 | \r | |
| 409 | /**\r | |
| 410 | Returns the current operating mode and cached data packet for the EFI DHCPv4 Protocol driver.\r | |
| faac3f0c | 411 | \r |
| 412 | The GetModeData() function returns the current operating mode and cached data\r | |
| 413 | packet for the EFI DHCPv4 Protocol driver.\r | |
| d1f95000 | 414 | \r |
| 415 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
| 416 | @param Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.\r | |
| 417 | \r | |
| 418 | @retval EFI_SUCCESS The mode data was returned.\r | |
| 419 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
| 420 | \r | |
| 421 | **/\r | |
| 305a1279 | 422 | typedef\r |
| 423 | EFI_STATUS\r | |
| 8b13229b | 424 | (EFIAPI *EFI_DHCP4_GET_MODE_DATA)(\r |
| d1f95000 | 425 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 426 | OUT EFI_DHCP4_MODE_DATA *Dhcp4ModeData\r | |
| ed66e1bc | 427 | );\r |
| d1f95000 | 428 | \r |
| 429 | /**\r | |
| 430 | Initializes, changes, or resets the operational settings for the EFI DHCPv4 Protocol driver.\r | |
| 431 | \r | |
| faac3f0c | 432 | The Configure() function is used to initialize, change, or reset the operational\r |
| 433 | settings of the EFI DHCPv4 Protocol driver for the communication device on which\r | |
| 434 | the EFI DHCPv4 Service Binding Protocol is installed. This function can be\r | |
| 435 | successfully called only if both of the following are true:\r | |
| 436 | * This instance of the EFI DHCPv4 Protocol driver is in the Dhcp4Stopped, Dhcp4Init,\r | |
| 437 | Dhcp4InitReboot, or Dhcp4Bound states.\r | |
| 438 | * No other EFI DHCPv4 Protocol driver instance that is controlled by this EFI\r | |
| 439 | DHCPv4 Service Binding Protocol driver instance has configured this EFI DHCPv4\r | |
| 440 | Protocol driver.\r | |
| 441 | When this driver is in the Dhcp4Stopped state, it can transfer into one of the\r | |
| 442 | following two possible initial states:\r | |
| 443 | * Dhcp4Init\r | |
| 444 | * Dhcp4InitReboot\r | |
| 445 | The driver can transfer into these states by calling Configure() with a non-NULL\r | |
| 446 | Dhcp4CfgData. The driver will transfer into the appropriate state based on the\r | |
| 447 | supplied client network address in the ClientAddress parameter and DHCP options\r | |
| 448 | in the OptionList parameter as described in RFC 2131.\r | |
| 449 | When Configure() is called successfully while Dhcp4CfgData is set to NULL, the\r | |
| 450 | default configuring data will be reset in the EFI DHCPv4 Protocol driver and\r | |
| 451 | the state of the EFI DHCPv4 Protocol driver will not be changed. If one instance\r | |
| 452 | wants to make it possible for another instance to configure the EFI DHCPv4 Protocol\r | |
| 453 | driver, it must call this function with Dhcp4CfgData set to NULL.\r | |
| 454 | \r | |
| d1f95000 | 455 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r |
| 456 | @param Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.\r | |
| 457 | \r | |
| 458 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init or\r | |
| 459 | Dhcp4InitReboot state, if the original state of this driver\r | |
| 460 | was Dhcp4Stopped and the value of Dhcp4CfgData was\r | |
| 461 | not NULL. Otherwise, the state was left unchanged.\r | |
| 462 | @retval EFI_ACCESS_DENIED This instance of the EFI DHCPv4 Protocol driver was not in the\r | |
| 463 | Dhcp4Stopped, Dhcp4Init, Dhcp4InitReboot, or Dhcp4Bound state;\r | |
| 464 | Or onother instance of this EFI DHCPv4 Protocol driver is already\r | |
| 465 | in a valid configured state.\r | |
| 74fec708 LG |
466 | @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:\r |
| 467 | This is NULL.\r | |
| 468 | DiscoverTryCount > 0 and DiscoverTimeout is NULL\r | |
| 469 | RequestTryCount > 0 and RequestTimeout is NULL.\r | |
| 470 | OptionCount >0 and OptionList is NULL.\r | |
| 471 | ClientAddress is not a valid unicast address.\r | |
| d1f95000 | 472 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r |
| 473 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
| 474 | \r | |
| 475 | **/\r | |
| 305a1279 | 476 | typedef\r |
| d1f95000 | 477 | EFI_STATUS\r |
| 8b13229b | 478 | (EFIAPI *EFI_DHCP4_CONFIGURE)(\r |
| d1f95000 | 479 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 480 | IN EFI_DHCP4_CONFIG_DATA *Dhcp4CfgData OPTIONAL\r | |
| ed66e1bc | 481 | );\r |
| d1f95000 | 482 | \r |
| 483 | \r | |
| 484 | /**\r | |
| 485 | Starts the DHCP configuration process.\r | |
| 486 | \r | |
| faac3f0c | 487 | The Start() function starts the DHCP configuration process. This function can\r |
| 488 | be called only when the EFI DHCPv4 Protocol driver is in the Dhcp4Init or\r | |
| 489 | Dhcp4InitReboot state.\r | |
| 490 | If the DHCP process completes successfully, the state of the EFI DHCPv4 Protocol\r | |
| 491 | driver will be transferred through Dhcp4Selecting and Dhcp4Requesting to the\r | |
| 492 | Dhcp4Bound state. The CompletionEvent will then be signaled if it is not NULL.\r | |
| 493 | If the process aborts, either by the user or by some unexpected network error,\r | |
| 494 | the state is restored to the Dhcp4Init state. The Start() function can be called\r | |
| 495 | again to restart the process.\r | |
| 496 | Refer to RFC 2131 for precise state transitions during this process. At the\r | |
| 497 | time when each event occurs in this process, the callback function that was set\r | |
| 498 | by EFI_DHCP4_PROTOCOL.Configure() will be called and the user can take this\r | |
| 499 | opportunity to control the process.\r | |
| 500 | \r | |
| d1f95000 | 501 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r |
| 502 | @param CompletionEvent If not NULL, indicates the event that will be signaled when the\r | |
| 503 | EFI DHCPv4 Protocol driver is transferred into the\r | |
| 504 | Dhcp4Bound state or when the DHCP process is aborted.\r | |
| 505 | EFI_DHCP4_PROTOCOL.GetModeData() can be called to\r | |
| 506 | check the completion status. If NULL,\r | |
| 507 | EFI_DHCP4_PROTOCOL.Start() will wait until the driver\r | |
| 508 | is transferred into the Dhcp4Bound state or the process fails.\r | |
| 509 | \r | |
| 510 | @retval EFI_SUCCESS The DHCP configuration process has started, or it has completed\r | |
| 511 | when CompletionEvent is NULL.\r | |
| 512 | @retval EFI_NOT_STARTED The EFI DHCPv4 Protocol driver is in the Dhcp4Stopped\r | |
| 513 | state. EFI_DHCP4_PROTOCOL. Configure() needs to be called.\r | |
| 514 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
| 515 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
| 516 | @retval EFI_TIMEOUT The DHCP configuration process failed because no response was\r | |
| 517 | received from the server within the specified timeout value.\r | |
| 518 | @retval EFI_ABORTED The user aborted the DHCP process.\r | |
| 519 | @retval EFI_ALREADY_STARTED Some other EFI DHCPv4 Protocol instance already started the\r | |
| 520 | DHCP process.\r | |
| 521 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
| 522 | \r | |
| 523 | **/\r | |
| 305a1279 | 524 | typedef\r |
| d1f95000 | 525 | EFI_STATUS\r |
| 8b13229b | 526 | (EFIAPI *EFI_DHCP4_START)(\r |
| d1f95000 | 527 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 528 | IN EFI_EVENT CompletionEvent OPTIONAL\r | |
| ed66e1bc | 529 | );\r |
| d1f95000 | 530 | \r |
| 531 | /**\r | |
| 532 | Extends the lease time by sending a request packet.\r | |
| faac3f0c | 533 | \r |
| 534 | The RenewRebind() function is used to manually extend the lease time when the\r | |
| 535 | EFI DHCPv4 Protocol driver is in the Dhcp4Bound state and the lease time has\r | |
| 536 | not expired yet. This function will send a request packet to the previously\r | |
| 537 | found server (or to any server when RebindRequest is TRUE) and transfer the\r | |
| 538 | state into the Dhcp4Renewing state (or Dhcp4Rebinding when RebindingRequest is\r | |
| 539 | TRUE). When a response is received, the state is returned to Dhcp4Bound.\r | |
| 540 | If no response is received before the try count is exceeded (the RequestTryCount\r | |
| 541 | field that is specified in EFI_DHCP4_CONFIG_DATA) but before the lease time that\r | |
| 542 | was issued by the previous server expires, the driver will return to the Dhcp4Bound\r | |
| 543 | state and the previous configuration is restored. The outgoing and incoming packets\r | |
| 544 | can be captured by the EFI_DHCP4_CALLBACK function.\r | |
| d1f95000 | 545 | \r |
| 546 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
| 547 | @param RebindRequest If TRUE, this function broadcasts the request packets and enters\r | |
| 548 | the Dhcp4Rebinding state. Otherwise, it sends a unicast\r | |
| 549 | request packet and enters the Dhcp4Renewing state.\r | |
| 550 | @param CompletionEvent If not NULL, this event is signaled when the renew/rebind phase\r | |
| 551 | completes or some error occurs.\r | |
| 552 | EFI_DHCP4_PROTOCOL.GetModeData() can be called to\r | |
| 553 | check the completion status. If NULL,\r | |
| 554 | EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait\r | |
| 555 | until the DHCP process finishes.\r | |
| 556 | \r | |
| 557 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the\r | |
| 558 | Dhcp4Renewing state or is back to the Dhcp4Bound state.\r | |
| 559 | @retval EFI_NOT_STARTED The EFI DHCPv4 Protocol driver is in the Dhcp4Stopped\r | |
| 560 | state. EFI_DHCP4_PROTOCOL.Configure() needs to\r | |
| 561 | be called.\r | |
| 562 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
| 563 | @retval EFI_TIMEOUT There was no response from the server when the try count was\r | |
| 564 | exceeded.\r | |
| 565 | @retval EFI_ACCESS_DENIED The driver is not in the Dhcp4Bound state.\r | |
| 566 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
| 567 | \r | |
| 568 | **/\r | |
| 569 | typedef\r | |
| 570 | EFI_STATUS\r | |
| 8b13229b | 571 | (EFIAPI *EFI_DHCP4_RENEW_REBIND)(\r |
| d1f95000 | 572 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 573 | IN BOOLEAN RebindRequest,\r | |
| 574 | IN EFI_EVENT CompletionEvent OPTIONAL\r | |
| ed66e1bc | 575 | );\r |
| d1f95000 | 576 | \r |
| 577 | /**\r | |
| 578 | Releases the current address configuration.\r | |
| 579 | \r | |
| faac3f0c | 580 | The Release() function releases the current configured IP address by doing either\r |
| 581 | of the following:\r | |
| 582 | * Sending a DHCPRELEASE packet when the EFI DHCPv4 Protocol driver is in the\r | |
| 583 | Dhcp4Bound state\r | |
| 584 | * Setting the previously assigned IP address that was provided with the\r | |
| 585 | EFI_DHCP4_PROTOCOL.Configure() function to 0.0.0.0 when the driver is in\r | |
| 586 | Dhcp4InitReboot state\r | |
| 587 | After a successful call to this function, the EFI DHCPv4 Protocol driver returns\r | |
| 588 | to the Dhcp4Init state and any subsequent incoming packets will be discarded silently.\r | |
| 589 | \r | |
| d1f95000 | 590 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r |
| 591 | \r | |
| 592 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init phase.\r | |
| 593 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
| 594 | @retval EFI_ACCESS_DENIED The EFI DHCPv4 Protocol driver is not Dhcp4InitReboot state.\r | |
| 595 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
| 596 | \r | |
| 597 | **/\r | |
| 305a1279 | 598 | typedef\r |
| d1f95000 | 599 | EFI_STATUS\r |
| 8b13229b | 600 | (EFIAPI *EFI_DHCP4_RELEASE)(\r |
| d1f95000 | 601 | IN EFI_DHCP4_PROTOCOL *This\r |
| ed66e1bc | 602 | );\r |
| d1f95000 | 603 | \r |
| 604 | /**\r | |
| 605 | Stops the current address configuration.\r | |
| faac3f0c | 606 | \r |
| 607 | The Stop() function is used to stop the DHCP configuration process. After this\r | |
| 608 | function is called successfully, the EFI DHCPv4 Protocol driver is transferred\r | |
| 609 | into the Dhcp4Stopped state. EFI_DHCP4_PROTOCOL.Configure() needs to be called\r | |
| 610 | before DHCP configuration process can be started again. This function can be\r | |
| 611 | called when the EFI DHCPv4 Protocol driver is in any state.\r | |
| d1f95000 | 612 | \r |
| 613 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
| 305a1279 | 614 | \r |
| d1f95000 | 615 | @retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Stopped phase.\r |
| 616 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
| 617 | \r | |
| 618 | **/\r | |
| 305a1279 | 619 | typedef\r |
| d1f95000 | 620 | EFI_STATUS\r |
| 8b13229b | 621 | (EFIAPI *EFI_DHCP4_STOP)(\r |
| d1f95000 | 622 | IN EFI_DHCP4_PROTOCOL *This\r |
| ed66e1bc | 623 | );\r |
| d1f95000 | 624 | \r |
| 625 | /**\r | |
| 626 | Builds a DHCP packet, given the options to be appended or deleted or replaced.\r | |
| 627 | \r | |
| faac3f0c | 628 | The Build() function is used to assemble a new packet from the original packet\r |
| 629 | by replacing or deleting existing options or appending new options. This function\r | |
| 630 | does not change any state of the EFI DHCPv4 Protocol driver and can be used at\r | |
| 631 | any time.\r | |
| 632 | \r | |
| d1f95000 | 633 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r |
| eecd469b | 634 | @param SeedPacket Initial packet to be used as a base for building new packet.\r |
| d1f95000 | 635 | @param DeleteCount Number of opcodes in the DeleteList.\r |
| 636 | @param DeleteList List of opcodes to be deleted from the seed packet.\r | |
| 637 | Ignored if DeleteCount is zero.\r | |
| 638 | @param AppendCount Number of entries in the OptionList.\r | |
| 639 | @param AppendList Pointer to a DHCP option list to be appended to SeedPacket.\r | |
| 640 | If SeedPacket also contains options in this list, they are\r | |
| 641 | replaced by new options (except pad option). Ignored if\r | |
| 642 | AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION\r | |
| 643 | @param NewPacket Pointer to storage for the pointer to the new allocated packet.\r | |
| 644 | Use the EFI Boot Service FreePool() on the resulting pointer\r | |
| 645 | when done with the packet.\r | |
| 646 | \r | |
| 647 | @retval EFI_SUCCESS The new packet was built.\r | |
| 648 | @retval EFI_OUT_OF_RESOURCES Storage for the new packet could not be allocated.\r | |
| 74fec708 LG |
649 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r |
| 650 | This is NULL.\r | |
| 651 | SeedPacket is NULL.\r | |
| 652 | SeedPacket is not a well-formed DHCP packet.\r | |
| 653 | AppendCount is not zero and AppendList is NULL.\r | |
| 654 | DeleteCount is not zero and DeleteList is NULL.\r | |
| 655 | NewPacket is NULL\r | |
| 656 | Both DeleteCount and AppendCount are zero and\r | |
| 657 | NewPacket is not NULL.\r | |
| d1f95000 | 658 | \r |
| 659 | **/\r | |
| 660 | typedef\r | |
| 661 | EFI_STATUS\r | |
| 8b13229b | 662 | (EFIAPI *EFI_DHCP4_BUILD)(\r |
| d1f95000 | 663 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 664 | IN EFI_DHCP4_PACKET *SeedPacket,\r | |
| 665 | IN UINT32 DeleteCount,\r | |
| 666 | IN UINT8 *DeleteList OPTIONAL,\r | |
| 667 | IN UINT32 AppendCount,\r | |
| 668 | IN EFI_DHCP4_PACKET_OPTION *AppendList[] OPTIONAL,\r | |
| 669 | OUT EFI_DHCP4_PACKET **NewPacket\r | |
| ed66e1bc | 670 | );\r |
| faac3f0c | 671 | \r |
| 672 | \r | |
| d1f95000 | 673 | /**\r |
| 674 | Transmits a DHCP formatted packet and optionally waits for responses.\r | |
| faac3f0c | 675 | \r |
| 676 | The TransmitReceive() function is used to transmit a DHCP packet and optionally\r | |
| 677 | wait for the response from servers. This function does not change the state of\r | |
| 678 | the EFI DHCPv4 Protocol driver and thus can be used at any time.\r | |
| d1f95000 | 679 | \r |
| 680 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
| 681 | @param Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.\r | |
| 682 | \r | |
| 683 | @retval EFI_SUCCESS The packet was successfully queued for transmission.\r | |
| 74fec708 LG |
684 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r |
| 685 | This is NULL.\r | |
| 686 | Token.RemoteAddress is zero.\r | |
| 687 | Token.Packet is NULL.\r | |
| 688 | Token.Packet is not a well-formed DHCP packet.\r | |
| 689 | The transaction ID in Token.Packet is in use by another DHCP process.\r | |
| d1f95000 | 690 | @retval EFI_NOT_READY The previous call to this function has not finished yet. Try to call\r |
| 691 | this function after collection process completes.\r | |
| 692 | @retval EFI_NO_MAPPING The default station address is not available yet.\r | |
| 693 | @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.\r | |
| ff7630cc | 694 | @retval EFI_UNSUPPORTED The implementation doesn't support this function\r |
| d1f95000 | 695 | @retval Others Some other unexpected error occurred.\r |
| 696 | \r | |
| 697 | **/\r | |
| 305a1279 | 698 | typedef\r |
| d1f95000 | 699 | EFI_STATUS\r |
| 8b13229b | 700 | (EFIAPI *EFI_DHCP4_TRANSMIT_RECEIVE)(\r |
| d1f95000 | 701 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 702 | IN EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN *Token\r | |
| ed66e1bc | 703 | );\r |
| d1f95000 | 704 | \r |
| 705 | \r | |
| 706 | /**\r | |
| 707 | Parses the packed DHCP option data.\r | |
| faac3f0c | 708 | \r |
| 709 | The Parse() function is used to retrieve the option list from a DHCP packet.\r | |
| ff7630cc | 710 | If *OptionCount isn't zero, and there is enough space for all the DHCP options\r |
| faac3f0c | 711 | in the Packet, each element of PacketOptionList is set to point to somewhere in\r |
| 712 | the Packet->Dhcp4.Option where a new DHCP option begins. If RFC3396 is supported,\r | |
| 713 | the caller should reassemble the parsed DHCP options to get the finial result.\r | |
| ff7630cc | 714 | If *OptionCount is zero or there isn't enough space for all of them, the number\r |
| faac3f0c | 715 | of DHCP options in the Packet is returned in OptionCount.\r |
| d1f95000 | 716 | \r |
| 717 | @param This Pointer to the EFI_DHCP4_PROTOCOL instance.\r | |
| 718 | @param Packet Pointer to packet to be parsed.\r | |
| 719 | @param OptionCount On input, the number of entries in the PacketOptionList.\r | |
| 720 | On output, the number of entries that were written into the\r | |
| 721 | PacketOptionList.\r | |
| 722 | @param PacketOptionList List of packet option entries to be filled in. End option or pad\r | |
| 723 | options are not included.\r | |
| 724 | \r | |
| 725 | @retval EFI_SUCCESS The packet was successfully parsed.\r | |
| 74fec708 LG |
726 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r |
| 727 | This is NULL.\r | |
| 728 | Packet is NULL.\r | |
| 729 | Packet is not a well-formed DHCP packet.\r | |
| 730 | OptionCount is NULL.\r | |
| d1f95000 | 731 | @retval EFI_BUFFER_TOO_SMALL One or more of the following conditions is TRUE:\r |
| 732 | 1) *OptionCount is smaller than the number of options that\r | |
| 733 | were found in the Packet.\r | |
| 734 | 2) PacketOptionList is NULL.\r | |
| 74fec708 | 735 | @retval EFI_OUT_OF_RESOURCE The packet is failed to parse because of resource shortage.\r |
| d1f95000 | 736 | \r |
| 737 | **/\r | |
| 738 | typedef\r | |
| 739 | EFI_STATUS\r | |
| 8b13229b | 740 | (EFIAPI *EFI_DHCP4_PARSE)(\r |
| d1f95000 | 741 | IN EFI_DHCP4_PROTOCOL *This,\r |
| 742 | IN EFI_DHCP4_PACKET *Packet,\r | |
| 743 | IN OUT UINT32 *OptionCount,\r | |
| 744 | OUT EFI_DHCP4_PACKET_OPTION *PacketOptionList[] OPTIONAL\r | |
| ed66e1bc | 745 | );\r |
| d1f95000 | 746 | \r |
| 44717a39 | 747 | ///\r |
| 748 | /// This protocol is used to collect configuration information for the EFI IPv4 Protocol drivers\r | |
| 749 | /// and to provide DHCPv4 server and PXE boot server discovery services.\r | |
| 750 | ///\r | |
| d1f95000 | 751 | struct _EFI_DHCP4_PROTOCOL {\r |
| 752 | EFI_DHCP4_GET_MODE_DATA GetModeData;\r | |
| 753 | EFI_DHCP4_CONFIGURE Configure;\r | |
| 754 | EFI_DHCP4_START Start;\r | |
| 755 | EFI_DHCP4_RENEW_REBIND RenewRebind;\r | |
| 756 | EFI_DHCP4_RELEASE Release;\r | |
| 757 | EFI_DHCP4_STOP Stop;\r | |
| 758 | EFI_DHCP4_BUILD Build;\r | |
| 759 | EFI_DHCP4_TRANSMIT_RECEIVE TransmitReceive;\r | |
| 760 | EFI_DHCP4_PARSE Parse;\r | |
| 761 | };\r | |
| 762 | \r | |
| 763 | extern EFI_GUID gEfiDhcp4ProtocolGuid;\r | |
| 764 | extern EFI_GUID gEfiDhcp4ServiceBindingProtocolGuid;\r | |
| 765 | \r | |
| 766 | #endif\r |