projects / mirror_edk2.git / blame
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| a3bcde70 HT |
1 | /** @file\r |
| 2 | Functions declaration related with DHCPv4 for UefiPxeBc Driver.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | \r | |
| 6 | This program and the accompanying materials\r | |
| 7 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 8 | which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php.\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | #ifndef __EFI_PXEBC_DHCP4_H__\r | |
| 17 | #define __EFI_PXEBC_DHCP4_H__\r | |
| 18 | \r | |
| 19 | #define PXEBC_DHCP4_OPTION_MAX_NUM 16\r | |
| 20 | #define PXEBC_DHCP4_OPTION_MAX_SIZE 312\r | |
| 21 | #define PXEBC_DHCP4_PACKET_MAX_SIZE 1472\r | |
| 22 | #define PXEBC_DHCP4_S_PORT 67\r | |
| 23 | #define PXEBC_DHCP4_C_PORT 68\r | |
| 24 | #define PXEBC_BS_DOWNLOAD_PORT 69\r | |
| 25 | #define PXEBC_BS_DISCOVER_PORT 4011\r | |
| 26 | #define PXEBC_DHCP4_OPCODE_REQUEST 1\r | |
| 27 | #define PXEBC_DHCP4_OPCODE_REPLY 2\r | |
| 28 | #define PXEBC_DHCP4_MSG_TYPE_REQUEST 3\r | |
| 29 | #define PXEBC_DHCP4_MAGIC 0x63538263 // network byte order\r | |
| 30 | \r | |
| 31 | //\r | |
| 32 | // Dhcp Options\r | |
| 33 | //\r | |
| 34 | #define PXEBC_DHCP4_TAG_PAD 0 // Pad Option\r | |
| 35 | #define PXEBC_DHCP4_TAG_EOP 255 // End Option\r | |
| 36 | #define PXEBC_DHCP4_TAG_NETMASK 1 // Subnet Mask\r | |
| 37 | #define PXEBC_DHCP4_TAG_TIME_OFFSET 2 // Time Offset from UTC\r | |
| 38 | #define PXEBC_DHCP4_TAG_ROUTER 3 // Router option,\r | |
| 39 | #define PXEBC_DHCP4_TAG_TIME_SERVER 4 // Time Server\r | |
| 40 | #define PXEBC_DHCP4_TAG_NAME_SERVER 5 // Name Server\r | |
| 41 | #define PXEBC_DHCP4_TAG_DNS_SERVER 6 // Domain Name Server\r | |
| 42 | #define PXEBC_DHCP4_TAG_HOSTNAME 12 // Host Name\r | |
| 43 | #define PXEBC_DHCP4_TAG_BOOTFILE_LEN 13 // Boot File Size\r | |
| 44 | #define PXEBC_DHCP4_TAG_DUMP 14 // Merit Dump File\r | |
| 45 | #define PXEBC_DHCP4_TAG_DOMAINNAME 15 // Domain Name\r | |
| 46 | #define PXEBC_DHCP4_TAG_ROOTPATH 17 // Root path\r | |
| 47 | #define PXEBC_DHCP4_TAG_EXTEND_PATH 18 // Extensions Path\r | |
| 48 | #define PXEBC_DHCP4_TAG_EMTU 22 // Maximum Datagram Reassembly Size\r | |
| 49 | #define PXEBC_DHCP4_TAG_TTL 23 // Default IP Time-to-live\r | |
| 50 | #define PXEBC_DHCP4_TAG_BROADCAST 28 // Broadcast Address\r | |
| 51 | #define PXEBC_DHCP4_TAG_NIS_DOMAIN 40 // Network Information Service Domain\r | |
| 52 | #define PXEBC_DHCP4_TAG_NIS_SERVER 41 // Network Information Servers\r | |
| 53 | #define PXEBC_DHCP4_TAG_NTP_SERVER 42 // Network Time Protocol Servers\r | |
| 54 | #define PXEBC_DHCP4_TAG_VENDOR 43 // Vendor Specific Information\r | |
| 55 | #define PXEBC_DHCP4_TAG_REQUEST_IP 50 // Requested IP Address\r | |
| 56 | #define PXEBC_DHCP4_TAG_LEASE 51 // IP Address Lease Time\r | |
| 57 | #define PXEBC_DHCP4_TAG_OVERLOAD 52 // Option Overload\r | |
| 58 | #define PXEBC_DHCP4_TAG_MSG_TYPE 53 // DHCP Message Type\r | |
| 59 | #define PXEBC_DHCP4_TAG_SERVER_ID 54 // Server Identifier\r | |
| 60 | #define PXEBC_DHCP4_TAG_PARA_LIST 55 // Parameter Request List\r | |
| 61 | #define PXEBC_DHCP4_TAG_MAXMSG 57 // Maximum DHCP Message Size\r | |
| 62 | #define PXEBC_DHCP4_TAG_T1 58 // Renewal (T1) Time Value\r | |
| 63 | #define PXEBC_DHCP4_TAG_T2 59 // Rebinding (T2) Time Value\r | |
| 64 | #define PXEBC_DHCP4_TAG_CLASS_ID 60 // Vendor class identifier\r | |
| 65 | #define PXEBC_DHCP4_TAG_CLIENT_ID 61 // Client-identifier\r | |
| 66 | #define PXEBC_DHCP4_TAG_TFTP 66 // TFTP server name\r | |
| 67 | #define PXEBC_DHCP4_TAG_BOOTFILE 67 // Bootfile name\r | |
| 68 | #define PXEBC_PXE_DHCP4_TAG_ARCH 93\r | |
| 69 | #define PXEBC_PXE_DHCP4_TAG_UNDI 94\r | |
| 70 | #define PXEBC_PXE_DHCP4_TAG_UUID 97\r | |
| 71 | //\r | |
| 72 | // Sub-Options in Dhcp Vendor Option\r | |
| 73 | //\r | |
| 74 | #define PXEBC_VENDOR_TAG_MTFTP_IP 1\r | |
| 75 | #define PXEBC_VENDOR_TAG_MTFTP_CPORT 2\r | |
| 76 | #define PXEBC_VENDOR_TAG_MTFTP_SPORT 3\r | |
| 77 | #define PXEBC_VENDOR_TAG_MTFTP_TIMEOUT 4\r | |
| 78 | #define PXEBC_VENDOR_TAG_MTFTP_DELAY 5\r | |
| 79 | #define PXEBC_VENDOR_TAG_DISCOVER_CTRL 6\r | |
| 80 | #define PXEBC_VENDOR_TAG_DISCOVER_MCAST 7\r | |
| 81 | #define PXEBC_VENDOR_TAG_BOOT_SERVERS 8\r | |
| 82 | #define PXEBC_VENDOR_TAG_BOOT_MENU 9\r | |
| 83 | #define PXEBC_VENDOR_TAG_MENU_PROMPT 10\r | |
| 84 | #define PXEBC_VENDOR_TAG_MCAST_ALLOC 11\r | |
| 85 | #define PXEBC_VENDOR_TAG_CREDENTIAL_TYPES 12\r | |
| 86 | #define PXEBC_VENDOR_TAG_BOOT_ITEM 71\r | |
| 87 | \r | |
| 88 | #define PXEBC_BOOT_REQUEST_TIMEOUT 1\r | |
| 89 | #define PXEBC_BOOT_REQUEST_RETRIES 4\r | |
| 90 | \r | |
| 91 | #define PXEBC_DHCP4_OVERLOAD_FILE 1\r | |
| 92 | #define PXEBC_DHCP4_OVERLOAD_SERVER_NAME 2\r | |
| 93 | \r | |
| 94 | \r | |
| 95 | //\r | |
| 96 | // The array index of the DHCP4 option tag interested\r | |
| 97 | //\r | |
| 98 | #define PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN 0\r | |
| 99 | #define PXEBC_DHCP4_TAG_INDEX_VENDOR 1\r | |
| 100 | #define PXEBC_DHCP4_TAG_INDEX_OVERLOAD 2\r | |
| 101 | #define PXEBC_DHCP4_TAG_INDEX_MSG_TYPE 3\r | |
| 102 | #define PXEBC_DHCP4_TAG_INDEX_SERVER_ID 4\r | |
| 103 | #define PXEBC_DHCP4_TAG_INDEX_CLASS_ID 5\r | |
| 104 | #define PXEBC_DHCP4_TAG_INDEX_BOOTFILE 6\r | |
| 105 | #define PXEBC_DHCP4_TAG_INDEX_MAX 7\r | |
| 106 | \r | |
| 107 | //\r | |
| 108 | // Dhcp4 and Dhcp6 share this definition, and corresponding\r | |
| 109 | // relatioinship is as follows:\r | |
| 110 | //\r | |
| 111 | // Dhcp4Discover <> Dhcp6Solicit\r | |
| 112 | // Dhcp4Offer <> Dhcp6Advertise\r | |
| 113 | // Dhcp4Request <> Dhcp6Request\r | |
| 114 | // Dhcp4Ack <> DHcp6Reply\r | |
| 115 | //\r | |
| 116 | typedef enum {\r | |
| 117 | PxeOfferTypeDhcpOnly,\r | |
| 118 | PxeOfferTypeDhcpPxe10,\r | |
| 119 | PxeOfferTypeDhcpWfm11a,\r | |
| 120 | PxeOfferTypeDhcpBinl,\r | |
| 121 | PxeOfferTypeProxyPxe10,\r | |
| 122 | PxeOfferTypeProxyWfm11a,\r | |
| 123 | PxeOfferTypeProxyBinl,\r | |
| 124 | PxeOfferTypeBootp,\r | |
| 125 | PxeOfferTypeMax\r | |
| 126 | } PXEBC_OFFER_TYPE;\r | |
| 127 | \r | |
| 128 | #define BIT(x) (1 << x)\r | |
| 129 | #define CTRL(x) (0x1F & (x))\r | |
| 130 | #define DEFAULT_CLASS_ID_DATA "PXEClient:Arch:?????:????:??????"\r | |
| 131 | #define DEFAULT_UNDI_TYPE 1\r | |
| 132 | #define DEFAULT_UNDI_MAJOR 3\r | |
| 133 | #define DEFAULT_UNDI_MINOR 0\r | |
| 134 | \r | |
| 135 | #define MTFTP_VENDOR_OPTION_BIT_MAP \\r | |
| 136 | (BIT (PXEBC_VENDOR_TAG_MTFTP_IP) | \\r | |
| 137 | BIT (PXEBC_VENDOR_TAG_MTFTP_CPORT) | \\r | |
| 138 | BIT (PXEBC_VENDOR_TAG_MTFTP_SPORT) | \\r | |
| 139 | BIT (PXEBC_VENDOR_TAG_MTFTP_TIMEOUT) | \\r | |
| 140 | BIT (PXEBC_VENDOR_TAG_MTFTP_DELAY))\r | |
| 141 | \r | |
| 142 | #define DISCOVER_VENDOR_OPTION_BIT_MAP \\r | |
| 143 | (BIT (PXEBC_VENDOR_TAG_DISCOVER_CTRL) | \\r | |
| 144 | BIT (PXEBC_VENDOR_TAG_DISCOVER_MCAST) | \\r | |
| 145 | BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS) | \\r | |
| 146 | BIT (PXEBC_VENDOR_TAG_BOOT_MENU) | \\r | |
| 147 | BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))\r | |
| 148 | \r | |
| 149 | #define IS_VALID_BOOT_PROMPT(x) \\r | |
| 150 | ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_MENU_PROMPT)) \\r | |
| 151 | == BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))\r | |
| 152 | \r | |
| 153 | #define IS_VALID_BOOT_MENU(x) \\r | |
| 154 | ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_MENU)) \\r | |
| 155 | == BIT (PXEBC_VENDOR_TAG_BOOT_MENU))\r | |
| 156 | \r | |
| 157 | #define IS_VALID_MTFTP_VENDOR_OPTION(x) \\r | |
| 158 | (((UINT32) ((x)[0]) & MTFTP_VENDOR_OPTION_BIT_MAP) \\r | |
| 159 | == MTFTP_VENDOR_OPTION_BIT_MAP)\r | |
| 160 | \r | |
| 161 | #define IS_VALID_DISCOVER_VENDOR_OPTION(x) \\r | |
| 162 | (((UINT32) ((x)[0]) & DISCOVER_VENDOR_OPTION_BIT_MAP) != 0)\r | |
| 163 | \r | |
| 164 | #define IS_VALID_CREDENTIAL_VENDOR_OPTION(x) \\r | |
| 165 | (((UINT32) ((x)[0]) & BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES)) \\r | |
| 166 | == BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES))\r | |
| 167 | \r | |
| 168 | #define IS_VALID_BOOTITEM_VENDOR_OPTION(x) \\r | |
| 169 | (((UINT32) ((x)[PXEBC_VENDOR_TAG_BOOT_ITEM / 32]) & \\r | |
| 170 | BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32)) \\r | |
| 171 | == BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32))\r | |
| 172 | \r | |
| 173 | #define SET_VENDOR_OPTION_BIT_MAP(x, y) \\r | |
| 174 | (*(x + ((y) / 32)) = (UINT32) ((UINT32) ((x)[(y) / 32]) | BIT ((y) % 32)))\r | |
| 175 | \r | |
| 176 | #define GET_NEXT_DHCP_OPTION(Opt) \\r | |
| 177 | (EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + \\r | |
| 178 | sizeof (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1)\r | |
| 179 | \r | |
| 180 | #define GET_OPTION_BUFFER_LEN(Pkt) \\r | |
| 181 | ((Pkt)->Length - sizeof (EFI_DHCP4_HEADER) - 4)\r | |
| 182 | \r | |
| 183 | #define GET_NEXT_BOOT_SVR_ENTRY(Ent) \\r | |
| 184 | (PXEBC_BOOT_SVR_ENTRY *) ((UINT8 *) Ent + sizeof (*(Ent)) + \\r | |
| 185 | ((Ent)->IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS))\r | |
| 186 | \r | |
| 187 | #define IS_PROXY_DHCP_OFFER(Offer) \\r | |
| 188 | EFI_IP4_EQUAL (&(Offer)->Dhcp4.Header.YourAddr, &mZeroIp4Addr)\r | |
| 189 | \r | |
| 190 | #define IS_DISABLE_BCAST_DISCOVER(x) \\r | |
| 191 | (((x) & BIT (0)) == BIT (0))\r | |
| 192 | \r | |
| 193 | #define IS_DISABLE_MCAST_DISCOVER(x) \\r | |
| 194 | (((x) & BIT (1)) == BIT (1))\r | |
| 195 | \r | |
| 196 | #define IS_ENABLE_USE_SERVER_LIST(x) \\r | |
| 197 | (((x) & BIT (2)) == BIT (2))\r | |
| 198 | \r | |
| 199 | #define IS_ENABLE_BOOT_FILE_NAME(x) \\r | |
| 200 | (((x) & BIT (3)) == BIT (3))\r | |
| 201 | \r | |
| 202 | \r | |
| 203 | #pragma pack(1)\r | |
| 204 | typedef struct {\r | |
| 205 | UINT8 ParaList[135];\r | |
| 206 | } PXEBC_DHCP4_OPTION_PARA;\r | |
| 207 | \r | |
| 208 | typedef struct {\r | |
| 209 | UINT16 Size;\r | |
| 210 | } PXEBC_DHCP4_OPTION_MAX_MESG_SIZE;\r | |
| 211 | \r | |
| 212 | typedef struct {\r | |
| 213 | UINT8 Type;\r | |
| 214 | UINT8 MajorVer;\r | |
| 215 | UINT8 MinorVer;\r | |
| 216 | } PXEBC_DHCP4_OPTION_UNDI;\r | |
| 217 | \r | |
| 218 | typedef struct {\r | |
| 219 | UINT8 Type;\r | |
| 220 | } PXEBC_DHCP4_OPTION_MESG;\r | |
| 221 | \r | |
| 222 | typedef struct {\r | |
| 223 | UINT16 Type;\r | |
| 224 | } PXEBC_DHCP4_OPTION_ARCH;\r | |
| 225 | \r | |
| 226 | typedef struct {\r | |
| 227 | UINT8 ClassIdentifier[10];\r | |
| 228 | UINT8 ArchitecturePrefix[5];\r | |
| 229 | UINT8 ArchitectureType[5];\r | |
| 230 | UINT8 Lit3[1];\r | |
| 231 | UINT8 InterfaceName[4];\r | |
| 232 | UINT8 Lit4[1];\r | |
| 233 | UINT8 UndiMajor[3];\r | |
| 234 | UINT8 UndiMinor[3];\r | |
| 235 | } PXEBC_DHCP4_OPTION_CLID;\r | |
| 236 | \r | |
| 237 | typedef struct {\r | |
| 238 | UINT8 Type;\r | |
| 239 | UINT8 Guid[16];\r | |
| 240 | } PXEBC_DHCP4_OPTION_UUID;\r | |
| 241 | \r | |
| 242 | typedef struct {\r | |
| 243 | UINT16 Type;\r | |
| 244 | UINT16 Layer;\r | |
| 245 | } PXEBC_OPTION_BOOT_ITEM;\r | |
| 246 | \r | |
| 247 | #pragma pack()\r | |
| 248 | \r | |
| 249 | typedef union {\r | |
| 250 | PXEBC_DHCP4_OPTION_PARA *Para;\r | |
| 251 | PXEBC_DHCP4_OPTION_UNDI *Undi;\r | |
| 252 | PXEBC_DHCP4_OPTION_ARCH *Arch;\r | |
| 253 | PXEBC_DHCP4_OPTION_CLID *Clid;\r | |
| 254 | PXEBC_DHCP4_OPTION_UUID *Uuid;\r | |
| 255 | PXEBC_DHCP4_OPTION_MESG *Mesg;\r | |
| 256 | PXEBC_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize;\r | |
| 257 | } PXEBC_DHCP4_OPTION_ENTRY;\r | |
| 258 | \r | |
| 259 | typedef struct {\r | |
| 260 | UINT16 Type;\r | |
| 261 | UINT8 IpCnt;\r | |
| 262 | EFI_IPv4_ADDRESS IpAddr[1];\r | |
| 263 | } PXEBC_BOOT_SVR_ENTRY;\r | |
| 264 | \r | |
| 265 | typedef struct {\r | |
| 266 | UINT16 Type;\r | |
| 267 | UINT8 DescLen;\r | |
| 268 | UINT8 DescStr[1];\r | |
| 269 | } PXEBC_BOOT_MENU_ENTRY;\r | |
| 270 | \r | |
| 271 | typedef struct {\r | |
| 272 | UINT8 Timeout;\r | |
| 273 | UINT8 Prompt[1];\r | |
| 274 | } PXEBC_MENU_PROMPT;\r | |
| 275 | \r | |
| 276 | typedef struct {\r | |
| 277 | UINT32 BitMap[8];\r | |
| 278 | EFI_IPv4_ADDRESS MtftpIp;\r | |
| 279 | UINT16 MtftpCPort;\r | |
| 280 | UINT16 MtftpSPort;\r | |
| 281 | UINT8 MtftpTimeout;\r | |
| 282 | UINT8 MtftpDelay;\r | |
| 283 | UINT8 DiscoverCtrl;\r | |
| 284 | EFI_IPv4_ADDRESS DiscoverMcastIp;\r | |
| 285 | EFI_IPv4_ADDRESS McastIpBase;\r | |
| 286 | UINT16 McastIpBlock;\r | |
| 287 | UINT16 McastIpRange;\r | |
| 288 | UINT16 BootSrvType;\r | |
| 289 | UINT16 BootSrvLayer;\r | |
| 290 | PXEBC_BOOT_SVR_ENTRY *BootSvr;\r | |
| 291 | UINT8 BootSvrLen;\r | |
| 292 | PXEBC_BOOT_MENU_ENTRY *BootMenu;\r | |
| 293 | UINT8 BootMenuLen;\r | |
| 294 | PXEBC_MENU_PROMPT *MenuPrompt;\r | |
| 295 | UINT8 MenuPromptLen;\r | |
| 296 | UINT32 *CredType;\r | |
| 297 | UINT8 CredTypeLen;\r | |
| 298 | } PXEBC_VENDOR_OPTION;\r | |
| 299 | \r | |
| 300 | typedef union {\r | |
| 301 | EFI_DHCP4_PACKET Offer;\r | |
| 302 | EFI_DHCP4_PACKET Ack;\r | |
| 303 | UINT8 Buffer[PXEBC_DHCP4_PACKET_MAX_SIZE];\r | |
| 304 | } PXEBC_DHCP4_PACKET;\r | |
| 305 | \r | |
| 306 | typedef struct {\r | |
| 307 | PXEBC_DHCP4_PACKET Packet;\r | |
| 308 | PXEBC_OFFER_TYPE OfferType;\r | |
| 309 | EFI_DHCP4_PACKET_OPTION *OptList[PXEBC_DHCP4_TAG_INDEX_MAX];\r | |
| 310 | PXEBC_VENDOR_OPTION VendorOpt;\r | |
| 311 | } PXEBC_DHCP4_PACKET_CACHE;\r | |
| 312 | \r | |
| 313 | \r | |
| 314 | /**\r | |
| 315 | Create a template DHCPv4 packet as a seed.\r | |
| 316 | \r | |
| 317 | @param[out] Seed Pointer to the seed packet.\r | |
| 318 | @param[in] Udp4 Pointer to EFI_UDP4_PROTOCOL.\r | |
| 319 | \r | |
| 320 | **/\r | |
| 321 | VOID\r | |
| 322 | PxeBcSeedDhcp4Packet (\r | |
| 323 | OUT EFI_DHCP4_PACKET *Seed,\r | |
| 324 | IN EFI_UDP4_PROTOCOL *Udp4\r | |
| 325 | );\r | |
| 326 | \r | |
| 327 | \r | |
| 328 | /**\r | |
| 329 | Parse the cached DHCPv4 packet, including all the options.\r | |
| 330 | \r | |
| 331 | @param[in] Cache4 Pointer to cached DHCPv4 packet.\r | |
| 332 | \r | |
| 333 | @retval EFI_SUCCESS Parsed the DHCPv4 packet successfully.\r | |
| 334 | @retval EFI_DEVICE_ERROR Failed to parse and invalid packet.\r | |
| 335 | \r | |
| 336 | **/\r | |
| 337 | EFI_STATUS\r | |
| 338 | PxeBcParseDhcp4Packet (\r | |
| 339 | IN PXEBC_DHCP4_PACKET_CACHE *Cache4\r | |
| 340 | );\r | |
| 341 | \r | |
| 342 | \r | |
| 343 | /**\r | |
| 344 | Build and send out the request packet for the bootfile, and parse the reply.\r | |
| 345 | \r | |
| 346 | @param[in] Private Pointer to PxeBc private data.\r | |
| 347 | @param[in] Type PxeBc option boot item type.\r | |
| 348 | @param[in] Layer Pointer to option boot item layer.\r | |
| 349 | @param[in] UseBis Use BIS or not.\r | |
| 350 | @param[in] DestIp Pointer to the server address.\r | |
| 351 | @param[in] IpCount The total count of the server address.\r | |
| 352 | @param[in] SrvList Pointer to EFI_PXE_BASE_CODE_SRVLIST.\r | |
| 353 | \r | |
| 354 | @retval EFI_SUCCESS Successfully discovered boot file.\r | |
| 355 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resource.\r | |
| 356 | @retval EFI_NOT_FOUND Can't get the PXE reply packet.\r | |
| 357 | @retval Others Failed to discover boot file.\r | |
| 358 | \r | |
| 359 | **/\r | |
| 360 | EFI_STATUS\r | |
| 361 | PxeBcDhcp4Discover (\r | |
| 362 | IN PXEBC_PRIVATE_DATA *Private,\r | |
| 363 | IN UINT16 Type,\r | |
| 364 | IN UINT16 *Layer,\r | |
| 365 | IN BOOLEAN UseBis,\r | |
| 366 | IN EFI_IP_ADDRESS *DestIp,\r | |
| 367 | IN UINT16 IpCount,\r | |
| 368 | IN EFI_PXE_BASE_CODE_SRVLIST *SrvList\r | |
| 369 | );\r | |
| 370 | \r | |
| 371 | \r | |
| 372 | /**\r | |
| 373 | Start the D.O.R.A DHCPv4 process to acquire the IPv4 address and other PXE boot information.\r | |
| 374 | \r | |
| 375 | @param[in] Private Pointer to PxeBc private data.\r | |
| 376 | @param[in] Dhcp4 Pointer to the EFI_DHCP4_PROTOCOL\r | |
| 377 | \r | |
| 378 | @retval EFI_SUCCESS The D.O.R.A process successfully finished.\r | |
| 379 | @retval Others Failed to finish the D.O.R.A process.\r | |
| 380 | \r | |
| 381 | **/\r | |
| 382 | EFI_STATUS\r | |
| 383 | PxeBcDhcp4Dora (\r | |
| 384 | IN PXEBC_PRIVATE_DATA *Private,\r | |
| 385 | IN EFI_DHCP4_PROTOCOL *Dhcp4\r | |
| 386 | );\r | |
| 387 | \r | |
| 388 | #endif\r | |
| 389 | \r |