| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame^] | 1 | /** @file
|
| 2 | Functions declaration related with DHCPv4 for UefiPxeBc Driver.
|
| 3 |
|
| 4 | Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
|
| 5 |
|
| 6 | This program and the accompanying materials
|
| 7 | are licensed and made available under the terms and conditions of the BSD License
|
| 8 | which accompanies this distribution. The full text of the license may be found at
|
| 9 | http://opensource.org/licenses/bsd-license.php.
|
| 10 |
|
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
| 13 |
|
| 14 | **/
|
| 15 |
|
| 16 | #ifndef __EFI_PXEBC_DHCP4_H__
|
| 17 | #define __EFI_PXEBC_DHCP4_H__
|
| 18 |
|
| 19 | #define PXEBC_DHCP4_OPTION_MAX_NUM 16
|
| 20 | #define PXEBC_DHCP4_OPTION_MAX_SIZE 312
|
| 21 | #define PXEBC_DHCP4_PACKET_MAX_SIZE 1472
|
| 22 | #define PXEBC_DHCP4_S_PORT 67
|
| 23 | #define PXEBC_DHCP4_C_PORT 68
|
| 24 | #define PXEBC_BS_DOWNLOAD_PORT 69
|
| 25 | #define PXEBC_BS_DISCOVER_PORT 4011
|
| 26 | #define PXEBC_DHCP4_OPCODE_REQUEST 1
|
| 27 | #define PXEBC_DHCP4_OPCODE_REPLY 2
|
| 28 | #define PXEBC_DHCP4_MSG_TYPE_REQUEST 3
|
| 29 | #define PXEBC_DHCP4_MAGIC 0x63538263 // network byte order
|
| 30 |
|
| 31 | //
|
| 32 | // Dhcp Options
|
| 33 | //
|
| 34 | #define PXEBC_DHCP4_TAG_PAD 0 // Pad Option
|
| 35 | #define PXEBC_DHCP4_TAG_EOP 255 // End Option
|
| 36 | #define PXEBC_DHCP4_TAG_NETMASK 1 // Subnet Mask
|
| 37 | #define PXEBC_DHCP4_TAG_TIME_OFFSET 2 // Time Offset from UTC
|
| 38 | #define PXEBC_DHCP4_TAG_ROUTER 3 // Router option,
|
| 39 | #define PXEBC_DHCP4_TAG_TIME_SERVER 4 // Time Server
|
| 40 | #define PXEBC_DHCP4_TAG_NAME_SERVER 5 // Name Server
|
| 41 | #define PXEBC_DHCP4_TAG_DNS_SERVER 6 // Domain Name Server
|
| 42 | #define PXEBC_DHCP4_TAG_HOSTNAME 12 // Host Name
|
| 43 | #define PXEBC_DHCP4_TAG_BOOTFILE_LEN 13 // Boot File Size
|
| 44 | #define PXEBC_DHCP4_TAG_DUMP 14 // Merit Dump File
|
| 45 | #define PXEBC_DHCP4_TAG_DOMAINNAME 15 // Domain Name
|
| 46 | #define PXEBC_DHCP4_TAG_ROOTPATH 17 // Root path
|
| 47 | #define PXEBC_DHCP4_TAG_EXTEND_PATH 18 // Extensions Path
|
| 48 | #define PXEBC_DHCP4_TAG_EMTU 22 // Maximum Datagram Reassembly Size
|
| 49 | #define PXEBC_DHCP4_TAG_TTL 23 // Default IP Time-to-live
|
| 50 | #define PXEBC_DHCP4_TAG_BROADCAST 28 // Broadcast Address
|
| 51 | #define PXEBC_DHCP4_TAG_NIS_DOMAIN 40 // Network Information Service Domain
|
| 52 | #define PXEBC_DHCP4_TAG_NIS_SERVER 41 // Network Information Servers
|
| 53 | #define PXEBC_DHCP4_TAG_NTP_SERVER 42 // Network Time Protocol Servers
|
| 54 | #define PXEBC_DHCP4_TAG_VENDOR 43 // Vendor Specific Information
|
| 55 | #define PXEBC_DHCP4_TAG_REQUEST_IP 50 // Requested IP Address
|
| 56 | #define PXEBC_DHCP4_TAG_LEASE 51 // IP Address Lease Time
|
| 57 | #define PXEBC_DHCP4_TAG_OVERLOAD 52 // Option Overload
|
| 58 | #define PXEBC_DHCP4_TAG_MSG_TYPE 53 // DHCP Message Type
|
| 59 | #define PXEBC_DHCP4_TAG_SERVER_ID 54 // Server Identifier
|
| 60 | #define PXEBC_DHCP4_TAG_PARA_LIST 55 // Parameter Request List
|
| 61 | #define PXEBC_DHCP4_TAG_MAXMSG 57 // Maximum DHCP Message Size
|
| 62 | #define PXEBC_DHCP4_TAG_T1 58 // Renewal (T1) Time Value
|
| 63 | #define PXEBC_DHCP4_TAG_T2 59 // Rebinding (T2) Time Value
|
| 64 | #define PXEBC_DHCP4_TAG_CLASS_ID 60 // Vendor class identifier
|
| 65 | #define PXEBC_DHCP4_TAG_CLIENT_ID 61 // Client-identifier
|
| 66 | #define PXEBC_DHCP4_TAG_TFTP 66 // TFTP server name
|
| 67 | #define PXEBC_DHCP4_TAG_BOOTFILE 67 // Bootfile name
|
| 68 | #define PXEBC_PXE_DHCP4_TAG_ARCH 93
|
| 69 | #define PXEBC_PXE_DHCP4_TAG_UNDI 94
|
| 70 | #define PXEBC_PXE_DHCP4_TAG_UUID 97
|
| 71 | //
|
| 72 | // Sub-Options in Dhcp Vendor Option
|
| 73 | //
|
| 74 | #define PXEBC_VENDOR_TAG_MTFTP_IP 1
|
| 75 | #define PXEBC_VENDOR_TAG_MTFTP_CPORT 2
|
| 76 | #define PXEBC_VENDOR_TAG_MTFTP_SPORT 3
|
| 77 | #define PXEBC_VENDOR_TAG_MTFTP_TIMEOUT 4
|
| 78 | #define PXEBC_VENDOR_TAG_MTFTP_DELAY 5
|
| 79 | #define PXEBC_VENDOR_TAG_DISCOVER_CTRL 6
|
| 80 | #define PXEBC_VENDOR_TAG_DISCOVER_MCAST 7
|
| 81 | #define PXEBC_VENDOR_TAG_BOOT_SERVERS 8
|
| 82 | #define PXEBC_VENDOR_TAG_BOOT_MENU 9
|
| 83 | #define PXEBC_VENDOR_TAG_MENU_PROMPT 10
|
| 84 | #define PXEBC_VENDOR_TAG_MCAST_ALLOC 11
|
| 85 | #define PXEBC_VENDOR_TAG_CREDENTIAL_TYPES 12
|
| 86 | #define PXEBC_VENDOR_TAG_BOOT_ITEM 71
|
| 87 |
|
| 88 | #define PXEBC_BOOT_REQUEST_TIMEOUT 1
|
| 89 | #define PXEBC_BOOT_REQUEST_RETRIES 4
|
| 90 |
|
| 91 | #define PXEBC_DHCP4_OVERLOAD_FILE 1
|
| 92 | #define PXEBC_DHCP4_OVERLOAD_SERVER_NAME 2
|
| 93 |
|
| 94 |
|
| 95 | //
|
| 96 | // The array index of the DHCP4 option tag interested
|
| 97 | //
|
| 98 | #define PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN 0
|
| 99 | #define PXEBC_DHCP4_TAG_INDEX_VENDOR 1
|
| 100 | #define PXEBC_DHCP4_TAG_INDEX_OVERLOAD 2
|
| 101 | #define PXEBC_DHCP4_TAG_INDEX_MSG_TYPE 3
|
| 102 | #define PXEBC_DHCP4_TAG_INDEX_SERVER_ID 4
|
| 103 | #define PXEBC_DHCP4_TAG_INDEX_CLASS_ID 5
|
| 104 | #define PXEBC_DHCP4_TAG_INDEX_BOOTFILE 6
|
| 105 | #define PXEBC_DHCP4_TAG_INDEX_MAX 7
|
| 106 |
|
| 107 | //
|
| 108 | // Dhcp4 and Dhcp6 share this definition, and corresponding
|
| 109 | // relatioinship is as follows:
|
| 110 | //
|
| 111 | // Dhcp4Discover <> Dhcp6Solicit
|
| 112 | // Dhcp4Offer <> Dhcp6Advertise
|
| 113 | // Dhcp4Request <> Dhcp6Request
|
| 114 | // Dhcp4Ack <> DHcp6Reply
|
| 115 | //
|
| 116 | typedef enum {
|
| 117 | PxeOfferTypeDhcpOnly,
|
| 118 | PxeOfferTypeDhcpPxe10,
|
| 119 | PxeOfferTypeDhcpWfm11a,
|
| 120 | PxeOfferTypeDhcpBinl,
|
| 121 | PxeOfferTypeProxyPxe10,
|
| 122 | PxeOfferTypeProxyWfm11a,
|
| 123 | PxeOfferTypeProxyBinl,
|
| 124 | PxeOfferTypeBootp,
|
| 125 | PxeOfferTypeMax
|
| 126 | } PXEBC_OFFER_TYPE;
|
| 127 |
|
| 128 | #define BIT(x) (1 << x)
|
| 129 | #define CTRL(x) (0x1F & (x))
|
| 130 | #define DEFAULT_CLASS_ID_DATA "PXEClient:Arch:xxxxx:UNDI:003000"
|
| 131 | #define DEFAULT_UNDI_TYPE 1
|
| 132 | #define DEFAULT_UNDI_MAJOR 3
|
| 133 | #define DEFAULT_UNDI_MINOR 0
|
| 134 |
|
| 135 | #define MTFTP_VENDOR_OPTION_BIT_MAP \
|
| 136 | (BIT (PXEBC_VENDOR_TAG_MTFTP_IP) | \
|
| 137 | BIT (PXEBC_VENDOR_TAG_MTFTP_CPORT) | \
|
| 138 | BIT (PXEBC_VENDOR_TAG_MTFTP_SPORT) | \
|
| 139 | BIT (PXEBC_VENDOR_TAG_MTFTP_TIMEOUT) | \
|
| 140 | BIT (PXEBC_VENDOR_TAG_MTFTP_DELAY))
|
| 141 |
|
| 142 | #define DISCOVER_VENDOR_OPTION_BIT_MAP \
|
| 143 | (BIT (PXEBC_VENDOR_TAG_DISCOVER_CTRL) | \
|
| 144 | BIT (PXEBC_VENDOR_TAG_DISCOVER_MCAST) | \
|
| 145 | BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS) | \
|
| 146 | BIT (PXEBC_VENDOR_TAG_BOOT_MENU) | \
|
| 147 | BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))
|
| 148 |
|
| 149 | #define IS_VALID_BOOT_SERVERS(x) \
|
| 150 | ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS)) \
|
| 151 | == BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS))
|
| 152 |
|
| 153 | #define IS_VALID_BOOT_PROMPT(x) \
|
| 154 | ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_MENU_PROMPT)) \
|
| 155 | == BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))
|
| 156 |
|
| 157 | #define IS_VALID_BOOT_MENU(x) \
|
| 158 | ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_MENU)) \
|
| 159 | == BIT (PXEBC_VENDOR_TAG_BOOT_MENU))
|
| 160 |
|
| 161 | #define IS_VALID_MTFTP_VENDOR_OPTION(x) \
|
| 162 | (((UINT32) ((x)[0]) & MTFTP_VENDOR_OPTION_BIT_MAP) \
|
| 163 | == MTFTP_VENDOR_OPTION_BIT_MAP)
|
| 164 |
|
| 165 | #define IS_VALID_DISCOVER_VENDOR_OPTION(x) \
|
| 166 | (((UINT32) ((x)[0]) & DISCOVER_VENDOR_OPTION_BIT_MAP) != 0)
|
| 167 |
|
| 168 | #define IS_VALID_CREDENTIAL_VENDOR_OPTION(x) \
|
| 169 | (((UINT32) ((x)[0]) & BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES)) \
|
| 170 | == BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES))
|
| 171 |
|
| 172 | #define IS_VALID_BOOTITEM_VENDOR_OPTION(x) \
|
| 173 | (((UINT32) ((x)[PXEBC_VENDOR_TAG_BOOT_ITEM / 32]) & \
|
| 174 | BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32)) \
|
| 175 | == BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32))
|
| 176 |
|
| 177 | #define SET_VENDOR_OPTION_BIT_MAP(x, y) \
|
| 178 | (*(x + ((y) / 32)) = (UINT32) ((UINT32) ((x)[(y) / 32]) | BIT ((y) % 32)))
|
| 179 |
|
| 180 | #define GET_NEXT_DHCP_OPTION(Opt) \
|
| 181 | (EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + \
|
| 182 | sizeof (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1)
|
| 183 |
|
| 184 | #define GET_OPTION_BUFFER_LEN(Pkt) \
|
| 185 | ((Pkt)->Length - sizeof (EFI_DHCP4_HEADER) - 4)
|
| 186 |
|
| 187 | #define GET_NEXT_BOOT_SVR_ENTRY(Ent) \
|
| 188 | (PXEBC_BOOT_SVR_ENTRY *) ((UINT8 *) Ent + sizeof (*(Ent)) + \
|
| 189 | ((Ent)->IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS))
|
| 190 |
|
| 191 | #define IS_PROXY_DHCP_OFFER(Offer) \
|
| 192 | EFI_IP4_EQUAL (&(Offer)->Dhcp4.Header.YourAddr, &mZeroIp4Addr)
|
| 193 |
|
| 194 | #define IS_DISABLE_BCAST_DISCOVER(x) \
|
| 195 | (((x) & BIT (0)) == BIT (0))
|
| 196 |
|
| 197 | #define IS_DISABLE_MCAST_DISCOVER(x) \
|
| 198 | (((x) & BIT (1)) == BIT (1))
|
| 199 |
|
| 200 | #define IS_ENABLE_USE_SERVER_LIST(x) \
|
| 201 | (((x) & BIT (2)) == BIT (2))
|
| 202 |
|
| 203 | #define IS_DISABLE_PROMPT_MENU(x) \
|
| 204 | (((x) & BIT (3)) == BIT (3))
|
| 205 |
|
| 206 |
|
| 207 | #pragma pack(1)
|
| 208 | typedef struct {
|
| 209 | UINT8 ParaList[135];
|
| 210 | } PXEBC_DHCP4_OPTION_PARA;
|
| 211 |
|
| 212 | typedef struct {
|
| 213 | UINT16 Size;
|
| 214 | } PXEBC_DHCP4_OPTION_MAX_MESG_SIZE;
|
| 215 |
|
| 216 | typedef struct {
|
| 217 | UINT8 Type;
|
| 218 | UINT8 MajorVer;
|
| 219 | UINT8 MinorVer;
|
| 220 | } PXEBC_DHCP4_OPTION_UNDI;
|
| 221 |
|
| 222 | typedef struct {
|
| 223 | UINT8 Type;
|
| 224 | } PXEBC_DHCP4_OPTION_MESG;
|
| 225 |
|
| 226 | typedef struct {
|
| 227 | UINT16 Type;
|
| 228 | } PXEBC_DHCP4_OPTION_ARCH;
|
| 229 |
|
| 230 | typedef struct {
|
| 231 | UINT8 ClassIdentifier[10];
|
| 232 | UINT8 ArchitecturePrefix[5];
|
| 233 | UINT8 ArchitectureType[5];
|
| 234 | UINT8 Lit3[1];
|
| 235 | UINT8 InterfaceName[4];
|
| 236 | UINT8 Lit4[1];
|
| 237 | UINT8 UndiMajor[3];
|
| 238 | UINT8 UndiMinor[3];
|
| 239 | } PXEBC_DHCP4_OPTION_CLID;
|
| 240 |
|
| 241 | typedef struct {
|
| 242 | UINT8 Type;
|
| 243 | UINT8 Guid[16];
|
| 244 | } PXEBC_DHCP4_OPTION_UUID;
|
| 245 |
|
| 246 | typedef struct {
|
| 247 | UINT16 Type;
|
| 248 | UINT16 Layer;
|
| 249 | } PXEBC_OPTION_BOOT_ITEM;
|
| 250 |
|
| 251 | #pragma pack()
|
| 252 |
|
| 253 | typedef union {
|
| 254 | PXEBC_DHCP4_OPTION_PARA *Para;
|
| 255 | PXEBC_DHCP4_OPTION_UNDI *Undi;
|
| 256 | PXEBC_DHCP4_OPTION_ARCH *Arch;
|
| 257 | PXEBC_DHCP4_OPTION_CLID *Clid;
|
| 258 | PXEBC_DHCP4_OPTION_UUID *Uuid;
|
| 259 | PXEBC_DHCP4_OPTION_MESG *Mesg;
|
| 260 | PXEBC_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize;
|
| 261 | } PXEBC_DHCP4_OPTION_ENTRY;
|
| 262 |
|
| 263 | #pragma pack(1)
|
| 264 | typedef struct {
|
| 265 | UINT16 Type;
|
| 266 | UINT8 IpCnt;
|
| 267 | EFI_IPv4_ADDRESS IpAddr[1];
|
| 268 | } PXEBC_BOOT_SVR_ENTRY;
|
| 269 |
|
| 270 | typedef struct {
|
| 271 | UINT16 Type;
|
| 272 | UINT8 DescLen;
|
| 273 | UINT8 DescStr[1];
|
| 274 | } PXEBC_BOOT_MENU_ENTRY;
|
| 275 |
|
| 276 | typedef struct {
|
| 277 | UINT8 Timeout;
|
| 278 | UINT8 Prompt[1];
|
| 279 | } PXEBC_MENU_PROMPT;
|
| 280 | #pragma pack()
|
| 281 |
|
| 282 | typedef struct {
|
| 283 | UINT32 BitMap[8];
|
| 284 | EFI_IPv4_ADDRESS MtftpIp;
|
| 285 | UINT16 MtftpCPort;
|
| 286 | UINT16 MtftpSPort;
|
| 287 | UINT8 MtftpTimeout;
|
| 288 | UINT8 MtftpDelay;
|
| 289 | UINT8 DiscoverCtrl;
|
| 290 | EFI_IPv4_ADDRESS DiscoverMcastIp;
|
| 291 | EFI_IPv4_ADDRESS McastIpBase;
|
| 292 | UINT16 McastIpBlock;
|
| 293 | UINT16 McastIpRange;
|
| 294 | UINT16 BootSrvType;
|
| 295 | UINT16 BootSrvLayer;
|
| 296 | PXEBC_BOOT_SVR_ENTRY *BootSvr;
|
| 297 | UINT8 BootSvrLen;
|
| 298 | PXEBC_BOOT_MENU_ENTRY *BootMenu;
|
| 299 | UINT8 BootMenuLen;
|
| 300 | PXEBC_MENU_PROMPT *MenuPrompt;
|
| 301 | UINT8 MenuPromptLen;
|
| 302 | UINT32 *CredType;
|
| 303 | UINT8 CredTypeLen;
|
| 304 | } PXEBC_VENDOR_OPTION;
|
| 305 |
|
| 306 | typedef union {
|
| 307 | EFI_DHCP4_PACKET Offer;
|
| 308 | EFI_DHCP4_PACKET Ack;
|
| 309 | UINT8 Buffer[PXEBC_DHCP4_PACKET_MAX_SIZE];
|
| 310 | } PXEBC_DHCP4_PACKET;
|
| 311 |
|
| 312 | typedef struct {
|
| 313 | PXEBC_DHCP4_PACKET Packet;
|
| 314 | PXEBC_OFFER_TYPE OfferType;
|
| 315 | EFI_DHCP4_PACKET_OPTION *OptList[PXEBC_DHCP4_TAG_INDEX_MAX];
|
| 316 | PXEBC_VENDOR_OPTION VendorOpt;
|
| 317 | } PXEBC_DHCP4_PACKET_CACHE;
|
| 318 |
|
| 319 |
|
| 320 | /**
|
| 321 | Create a template DHCPv4 packet as a seed.
|
| 322 |
|
| 323 | @param[out] Seed Pointer to the seed packet.
|
| 324 | @param[in] Udp4 Pointer to EFI_UDP4_PROTOCOL.
|
| 325 |
|
| 326 | **/
|
| 327 | VOID
|
| 328 | PxeBcSeedDhcp4Packet (
|
| 329 | OUT EFI_DHCP4_PACKET *Seed,
|
| 330 | IN EFI_UDP4_PROTOCOL *Udp4
|
| 331 | );
|
| 332 |
|
| 333 |
|
| 334 | /**
|
| 335 | Parse the cached DHCPv4 packet, including all the options.
|
| 336 |
|
| 337 | @param[in] Cache4 Pointer to cached DHCPv4 packet.
|
| 338 |
|
| 339 | @retval EFI_SUCCESS Parsed the DHCPv4 packet successfully.
|
| 340 | @retval EFI_DEVICE_ERROR Failed to parse and invalid packet.
|
| 341 |
|
| 342 | **/
|
| 343 | EFI_STATUS
|
| 344 | PxeBcParseDhcp4Packet (
|
| 345 | IN PXEBC_DHCP4_PACKET_CACHE *Cache4
|
| 346 | );
|
| 347 |
|
| 348 |
|
| 349 | /**
|
| 350 | Build and send out the request packet for the bootfile, and parse the reply.
|
| 351 |
|
| 352 | @param[in] Private Pointer to PxeBc private data.
|
| 353 | @param[in] Type PxeBc option boot item type.
|
| 354 | @param[in] Layer Pointer to option boot item layer.
|
| 355 | @param[in] UseBis Use BIS or not.
|
| 356 | @param[in] DestIp Pointer to the server address.
|
| 357 | @param[in] IpCount The total count of the server address.
|
| 358 | @param[in] SrvList Pointer to EFI_PXE_BASE_CODE_SRVLIST.
|
| 359 |
|
| 360 | @retval EFI_SUCCESS Successfully discovered boot file.
|
| 361 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resource.
|
| 362 | @retval EFI_NOT_FOUND Can't get the PXE reply packet.
|
| 363 | @retval Others Failed to discover boot file.
|
| 364 |
|
| 365 | **/
|
| 366 | EFI_STATUS
|
| 367 | PxeBcDhcp4Discover (
|
| 368 | IN PXEBC_PRIVATE_DATA *Private,
|
| 369 | IN UINT16 Type,
|
| 370 | IN UINT16 *Layer,
|
| 371 | IN BOOLEAN UseBis,
|
| 372 | IN EFI_IP_ADDRESS *DestIp,
|
| 373 | IN UINT16 IpCount,
|
| 374 | IN EFI_PXE_BASE_CODE_SRVLIST *SrvList
|
| 375 | );
|
| 376 |
|
| 377 |
|
| 378 | /**
|
| 379 | Start the D.O.R.A DHCPv4 process to acquire the IPv4 address and other PXE boot information.
|
| 380 |
|
| 381 | @param[in] Private Pointer to PxeBc private data.
|
| 382 | @param[in] Dhcp4 Pointer to the EFI_DHCP4_PROTOCOL
|
| 383 |
|
| 384 | @retval EFI_SUCCESS The D.O.R.A process successfully finished.
|
| 385 | @retval Others Failed to finish the D.O.R.A process.
|
| 386 |
|
| 387 | **/
|
| 388 | EFI_STATUS
|
| 389 | PxeBcDhcp4Dora (
|
| 390 | IN PXEBC_PRIVATE_DATA *Private,
|
| 391 | IN EFI_DHCP4_PROTOCOL *Dhcp4
|
| 392 | );
|
| 393 |
|
| 394 | #endif
|
| 395 |
|