| 878ddf1f |
1 | /*++\r |
| 2 | \r |
| e5f461a8 |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r |
| 4 | All rights reserved. This program and the accompanying materials\r |
| 5 | are licensed and made available under the terms and conditions of the BSD License\r |
| 6 | which accompanies this distribution. The full text of the license may be found at\r |
| 7 | http://opensource.org/licenses/bsd-license.php\r |
| 8 | \r |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 878ddf1f |
11 | \r |
| 12 | --*/\r |
| 13 | \r |
| 14 | #ifndef _IP_H_\r |
| 15 | #define _IP_H_\r |
| 16 | \r |
| 17 | #include "hton.h"\r |
| 18 | \r |
| 19 | //\r |
| 20 | // Client architecture types\r |
| 21 | //\r |
| e5f461a8 |
22 | #if defined MDE_CPU_IA32\r |
| 4eba0885 |
23 | #define SYS_ARCH 0x6\r |
| 24 | #elif defined MDE_CPU_X64\r |
| 25 | #define SYS_ARCH 0x7\r |
| 26 | #elif defined MDE_CPU_IPF\r |
| 27 | #define SYS_ARCH 0x2\r |
| 28 | #else\r |
| 29 | #error Unsupported Client Processor Type\r |
| 30 | #endif\r |
| 31 | \r |
| 878ddf1f |
32 | \r |
| 33 | //\r |
| 34 | // portability macros\r |
| 35 | //\r |
| 36 | #define UDP_FILTER_MASK (EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | \\r |
| 37 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT | \\r |
| 38 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP | \\r |
| 39 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_PORT | \\r |
| 40 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_USE_FILTER \\r |
| 41 | )\r |
| 42 | \r |
| 43 | #define PXE_BOOT_LAYER_MASK 0x7FFF\r |
| 44 | #define PXE_BOOT_LAYER_INITIAL 0x0000\r |
| 45 | #define PXE_BOOT_LAYER_CREDENTIAL_FLAG 0x8000\r |
| 46 | #define MAX_BOOT_SERVERS 32\r |
| 47 | \r |
| 48 | //\r |
| 49 | // macro to evaluate IP address as TRUE if it is a multicast IP address\r |
| 50 | //\r |
| 51 | #define IS_MULTICAST(ptr) ((*((UINT8 *) ptr) & 0xf0) == 0xe0)\r |
| 52 | \r |
| 53 | //\r |
| 54 | // length macros\r |
| 55 | //\r |
| 56 | #define IP_ADDRESS_LENGTH(qp) (((qp)->UsingIpv6) ? sizeof (EFI_IPv6_ADDRESS) : sizeof (EFI_IPv4_ADDRESS))\r |
| 57 | \r |
| 58 | #define MAX_FRAME_DATA_SIZE 1488\r |
| 59 | #define ALLOCATE_SIZE(X) (((X) + 7) & 0xfff8)\r |
| 60 | #define MODE_ALLOCATE_SIZE ALLOCATE_SIZE (sizeof (EFI_PXE_BASE_CODE_MODE))\r |
| 61 | #define BUFFER_ALLOCATE_SIZE (8192 + 512)\r |
| 62 | #define ROUTER_ALLOCATE_SIZE ALLOCATE_SIZE ((sizeof (EFI_PXE_BASE_CODE_ROUTE_ENTRY) * PXE_ROUTER_TABLE_SIZE))\r |
| 63 | #define ARP_ALLOCATE_SIZE ALLOCATE_SIZE ((sizeof (EFI_PXE_BASE_CODE_ARP_ENTRY) * PXE_ARP_CACHE_SIZE))\r |
| 64 | #define FILTER_ALLOCATE_SIZE ALLOCATE_SIZE ((sizeof (EFI_IP_ADDRESS) * PXE_IP_FILTER_SIZE))\r |
| 65 | #define PXE_ARP_CACHE_SIZE 8\r |
| 66 | #define PXE_ROUTER_TABLE_SIZE 8\r |
| 67 | #define PXE_IP_FILTER_SIZE 8\r |
| 68 | #define ICMP_ALLOCATE_SIZE ALLOCATE_SIZE (sizeof (EFI_PXE_BASE_CODE_ICMP_ERROR))\r |
| 69 | #define TFTP_ERR_ALLOCATE_SIZE ALLOCATE_SIZE (sizeof (EFI_PXE_BASE_CODE_TFTP_ERROR))\r |
| 70 | \r |
| 71 | //\r |
| 72 | // DHCP discover/request packets are sent to this UDP port. ProxyDHCP\r |
| 73 | // servers listen on this port for DHCP discover packets that have a\r |
| 74 | // class identifier (option 60) with 'PXEClient' in the first 9 bytes.\r |
| 75 | // Bootservers also listen on this port for PXE broadcast discover\r |
| 76 | // requests from PXE clients.\r |
| 77 | //\r |
| 78 | #define DHCP_SERVER_PORT 67\r |
| 79 | \r |
| 80 | //\r |
| 81 | // When DHCP, proxyDHCP and Bootservers respond to DHCP and PXE broadcast\r |
| 82 | // discover requests by broadcasting the reply packet, the packet is\r |
| 83 | // broadcast to this port.\r |
| 84 | //\r |
| 85 | #define DHCP_CLIENT_PORT 68\r |
| 86 | \r |
| 87 | //\r |
| 88 | // TFTP servers listen for TFTP open requests on this port.\r |
| 89 | //\r |
| 90 | #define TFTP_OPEN_PORT 69\r |
| 91 | \r |
| 92 | //\r |
| 93 | // proxyDHCP and Bootservers listen on this port for a PXE unicast and/or\r |
| 94 | // multicast discover requests from PXE clients. A PXE discover request\r |
| 95 | // looks like a DHCP discover or DHCP request packet.\r |
| 96 | //\r |
| 97 | #define PXE_DISCOVERY_PORT 4011\r |
| 98 | \r |
| 99 | //\r |
| 100 | // This port is used by the PXE client/server protocol tests.\r |
| 101 | //\r |
| 102 | #define PXE_PORT_PXETEST_PORT 0x8080\r |
| 103 | \r |
| 104 | //\r |
| 105 | // Definitions for Ethertype protocol numbers and interface types\r |
| 106 | // Per RFC 1700,\r |
| 107 | //\r |
| 108 | #define PXE_PROTOCOL_ETHERNET_IP 0x0800\r |
| 109 | #define PXE_PROTOCOL_ETHERNET_ARP 0x0806\r |
| 110 | #define PXE_PROTOCOL_ETHERNET_RARP 0x8035\r |
| 111 | \r |
| 112 | #define PXE_IFTYPE_ETHERNET 0x01\r |
| 113 | #define PXE_IFTYPE_TOKENRING 0x04\r |
| 114 | #define PXE_IFTYPE_FIBRE_CHANNEL 0x12\r |
| 115 | \r |
| 116 | //\r |
| 117 | // Definitions for internet protocol version 4 header\r |
| 118 | // Per RFC 791, September 1981.\r |
| 119 | //\r |
| 120 | #define IPVER4 4\r |
| 121 | \r |
| 122 | #pragma pack(1) // make network structures packed byte alignment\r |
| 123 | typedef union {\r |
| 124 | UINT8 B[4];\r |
| 125 | UINT32 L;\r |
| 126 | } IPV4_ADDR;\r |
| 127 | \r |
| 128 | #define IPV4_HEADER_LENGTH(IpHeaderPtr) (((IpHeaderPtr)->VersionIhl & 0xf) << 2)\r |
| 129 | \r |
| 130 | #define SET_IPV4_VER_HDL(IpHeaderPtr, IpHeaderLen) { \\r |
| 131 | (IpHeaderPtr)->VersionIhl = (UINT8) ((IPVER4 << 4) | ((IpHeaderLen) >> 2)); \\r |
| 132 | }\r |
| 133 | \r |
| 134 | typedef struct {\r |
| 135 | UINT8 VersionIhl;\r |
| 136 | UINT8 TypeOfService;\r |
| 137 | UINT16 TotalLength;\r |
| 138 | UINT16 Id;\r |
| 139 | UINT16 FragmentFields;\r |
| 140 | UINT8 TimeToLive;\r |
| 141 | UINT8 Protocol;\r |
| 142 | UINT16 HeaderChecksum;\r |
| 143 | IPV4_ADDR SrcAddr;\r |
| 144 | IPV4_ADDR DestAddr;\r |
| 145 | //\r |
| 146 | // options are not implemented\r |
| 147 | //\r |
| 148 | } IPV4_HEADER;\r |
| 149 | \r |
| 150 | #define IP_FRAG_RSVD 0x8000 // reserved bit - must be zero\r |
| 151 | #define IP_NO_FRAG 0x4000 // do not fragment bit\r |
| 152 | #define IP_MORE_FRAG 0x2000 // not last fragment\r |
| 153 | #define IP_FRAG_OFF_MSK 0x1fff // fragment offset in 8 byte chunks\r |
| 154 | #define DEFAULT_RFC_TTL 64\r |
| 155 | \r |
| 156 | #define PROT_ICMP 1\r |
| 157 | #define PROT_IGMP 2\r |
| 158 | #define PROT_TCP 6\r |
| 159 | #define PROT_UDP 17\r |
| 160 | \r |
| 161 | /*\r |
| 162 | * Definitions for internet control message protocol version 4 message\r |
| 163 | * structure. Per RFC 792, September 1981.\r |
| 164 | */\r |
| 165 | \r |
| 166 | //\r |
| 167 | // icmp header for all icmp messages\r |
| 168 | //\r |
| 169 | typedef struct {\r |
| 170 | UINT8 Type; // message type\r |
| 171 | UINT8 Code; // type specific - 0 for types we implement\r |
| 172 | UINT16 Checksum; // ones complement of ones complement sum of 16 bit words of message\r |
| 173 | } ICMPV4_HEADER;\r |
| 174 | \r |
| 175 | #define ICMP_DEST_UNREACHABLE 3\r |
| 176 | #define ICMP_SOURCE_QUENCH 4\r |
| 177 | #define ICMP_REDIRECT 5\r |
| 178 | #define ICMP_ECHO 8\r |
| 179 | #define ICMP_ECHO_REPLY 0\r |
| 180 | #define ICMP_ROUTER_ADV 9\r |
| 181 | #define ICMP_ROUTER_SOLICIT 10\r |
| 182 | #define ICMP_TIME_EXCEEDED 11\r |
| 183 | #define ICMP_PARAMETER_PROBLEM 12\r |
| 184 | #define ICMP_TIMESTAMP 13\r |
| 185 | #define ICMP_TIMESTAMP_REPLY 14\r |
| 186 | #define ICMP_INFO_REQ 15\r |
| 187 | #define ICMP_INFO_REQ_REPLY 16\r |
| 188 | #define ICMP_SUBNET_MASK_REQ 17\r |
| 189 | #define ICMP_SUBNET_MASK_REPLY 18\r |
| 190 | //\r |
| 191 | // other ICMP message types ignored in this implementation\r |
| 192 | //\r |
| 193 | // icmp general messages\r |
| 194 | //\r |
| 195 | typedef struct {\r |
| 196 | ICMPV4_HEADER Header;\r |
| 197 | //\r |
| 198 | // generally unused except byte [0] for\r |
| 199 | // parameter problem message\r |
| 200 | //\r |
| 201 | UINT8 GenerallyUnused[4];\r |
| 202 | //\r |
| 203 | // original message ip header of plus 64\r |
| 204 | // bits of data\r |
| 205 | //\r |
| 206 | IPV4_HEADER IpHeader;\r |
| 207 | } ICMPV4_GENERAL_MESSAGE;\r |
| 208 | \r |
| 209 | //\r |
| 210 | // icmp req/rply message header\r |
| 211 | //\r |
| 212 | typedef struct {\r |
| 213 | ICMPV4_HEADER Header;\r |
| 214 | UINT16 Id;\r |
| 215 | UINT16 SequenceNumber;\r |
| 216 | } ICMPV4_REQUEST_REPLY_HEADER;\r |
| 217 | \r |
| 218 | //\r |
| 219 | // icmp echo message\r |
| 220 | //\r |
| 221 | typedef struct {\r |
| 222 | ICMPV4_REQUEST_REPLY_HEADER Header;\r |
| 223 | UINT8 EchoData[1]; // variable length data to be echoed\r |
| 224 | } ICMPV4_ECHO_MESSAGE;\r |
| 225 | \r |
| 226 | //\r |
| 227 | // icmp timestamp message - times are milliseconds since midnight UT -\r |
| 228 | // if non std, set high order bit\r |
| 229 | //\r |
| 230 | typedef struct {\r |
| 231 | ICMPV4_REQUEST_REPLY_HEADER Header;\r |
| 232 | UINT32 OriginalTime; // originating timestamp\r |
| 233 | UINT32 ReceiveTime; // receiving timestamp\r |
| 234 | UINT32 TransmitTime; // transmitting timestamp\r |
| 235 | } ICMPV4_TIMESTAMP_MESSAGE;\r |
| 236 | \r |
| 237 | //\r |
| 238 | // icmp info request structure - fill in source and dest net ip address on reply\r |
| 239 | //\r |
| 240 | typedef struct {\r |
| 241 | ICMPV4_REQUEST_REPLY_HEADER Header;\r |
| 242 | } ICMPV4_INFO_MESSAGE;\r |
| 243 | \r |
| 244 | //\r |
| 245 | // Definitions for internet control message protocol version 4 message structure\r |
| 246 | // Router discovery\r |
| 247 | // Per RFC 1256, September 1991.\r |
| 248 | //\r |
| 249 | //\r |
| 250 | // icmp router advertisement message\r |
| 251 | //\r |
| 252 | typedef struct {\r |
| 253 | ICMPV4_HEADER Header;\r |
| 254 | UINT8 NumberEntries; // number of address entries\r |
| 255 | UINT8 EntrySize; // number of 32 bit words per address entry\r |
| 256 | UINT16 Lifetime; // seconds to consider info valid\r |
| 257 | UINT32 RouterIp;\r |
| 258 | UINT32 Preferance;\r |
| 259 | } ICMPV4_ROUTER_ADVERTISE_MESSAGE;\r |
| 260 | \r |
| 261 | //\r |
| 262 | // icmp router solicitation message\r |
| 263 | //\r |
| 264 | typedef struct {\r |
| 265 | ICMPV4_HEADER Header;\r |
| 266 | UINT32 Reserved;\r |
| 267 | } ICMPV4_ROUTER_SOLICIT_MESSAGE;\r |
| 268 | \r |
| 269 | #define MAX_SOLICITATION_DELAY 1 // 1 second\r |
| 270 | #define SOLICITATION_INTERVAL 3 // 3 seconds\r |
| 271 | #define MAX_SOLICITATIONS 3 // 3 transmissions\r |
| 272 | #define V1ROUTER_PRESENT_TIMEOUT 400 // 400 second timeout until v2 reports can be sent\r |
| 273 | #define UNSOLICITED_REPORT_INTERVAL 10 // 10 seconds between unsolicited reports\r |
| 274 | #define BROADCAST_IPv4 0xffffffff\r |
| 275 | \r |
| 276 | //\r |
| 277 | // Definitions for address resolution protocol message structure\r |
| 278 | // Per RFC 826, November 1982\r |
| 279 | //\r |
| 280 | typedef struct {\r |
| 281 | UINT16 HwType; // hardware type - e.g. ethernet (1)\r |
| 282 | UINT16 ProtType; // protocol type - for ethernet, 0x800 for IP\r |
| 283 | UINT8 HwAddLen; // byte length of a hardware address (e.g. 6 for ethernet)\r |
| 284 | UINT8 ProtAddLen; // byte length of a protocol address (e.g. 4 for ipv4)\r |
| 285 | UINT16 OpCode;\r |
| 286 | //\r |
| 287 | // source and dest hw and prot addresses follow - see example below\r |
| 288 | //\r |
| 289 | } ARP_HEADER;\r |
| 290 | \r |
| 291 | #define ETHERNET_ADD_SPC 1\r |
| 292 | \r |
| 293 | #define ETHER_TYPE_IP 0x800\r |
| 294 | \r |
| 295 | #define ARP_REQUEST 1\r |
| 296 | #define ARP_REPLY 2\r |
| 297 | \r |
| 298 | //\r |
| 299 | // generic ARP packet\r |
| 300 | //\r |
| 301 | typedef struct {\r |
| 302 | ARP_HEADER ArpHeader;\r |
| 303 | EFI_MAC_ADDRESS SrcHardwareAddr;\r |
| 304 | EFI_IP_ADDRESS SrcProtocolAddr;\r |
| 305 | EFI_MAC_ADDRESS DestHardwareAddr;\r |
| 306 | EFI_IP_ADDRESS DestProtocolAddr;\r |
| 307 | } ARP_PACKET;\r |
| 308 | \r |
| 309 | #define ENET_HWADDLEN 6\r |
| 310 | #define IPV4_PROTADDLEN 4\r |
| 311 | \r |
| 312 | //\r |
| 313 | // Definitions for user datagram protocol version 4 pseudo header & header\r |
| 314 | // Per RFC 768, 28 August 1980\r |
| 315 | //\r |
| 316 | typedef struct {\r |
| 317 | IPV4_ADDR SrcAddr; // source ip address\r |
| 318 | IPV4_ADDR DestAddr; // dest ip address\r |
| 319 | UINT8 Zero; // 0\r |
| 320 | UINT8 Protocol; // protocol\r |
| 321 | UINT16 TotalLength; // UDP length - sizeof udpv4hdr + data length\r |
| 322 | } UDPV4_PSEUDO_HEADER;\r |
| 323 | \r |
| 324 | typedef struct {\r |
| 325 | UINT16 SrcPort; // source port identifier\r |
| 326 | UINT16 DestPort; // destination port identifier\r |
| 327 | UINT16 TotalLength; // total length header plus data\r |
| 328 | //\r |
| 329 | // ones complement of ones complement sum of 16 bit\r |
| 330 | // words of pseudo header, UDP header, and data\r |
| 331 | // zero checksum is transmitted as -0 (ones comp)\r |
| 332 | // zero transmitted means checksum not computed\r |
| 333 | // data follows\r |
| 334 | //\r |
| e5f461a8 |
335 | UINT16 Checksum;\r |
| 878ddf1f |
336 | } UDPV4_HEADER;\r |
| 337 | \r |
| 338 | typedef struct {\r |
| 339 | UDPV4_PSEUDO_HEADER Udpv4PseudoHeader;\r |
| 340 | UDPV4_HEADER Udpv4Header;\r |
| 341 | } UDPV4_HEADERS;\r |
| 342 | \r |
| 343 | //\r |
| 344 | // Definitions for transmission control protocol header\r |
| 345 | // Per RFC 793, September, 1981\r |
| 346 | //\r |
| 347 | typedef struct {\r |
| 348 | IPV4_ADDR SrcAddr; // source ip address\r |
| 349 | IPV4_ADDR DestAddr; // dest ip address\r |
| 350 | UINT8 Zero; // 0\r |
| 351 | UINT8 Protocol; // protocol\r |
| 352 | UINT16 TotalLength; // TCP length - TCP header length + data length\r |
| 353 | } TCPV4_PSEUDO_HEADER;\r |
| 354 | \r |
| 355 | typedef struct {\r |
| 356 | UINT16 SrcPort; // source port identifier\r |
| 357 | UINT16 DestPort; // destination port identifier\r |
| 358 | UINT32 SeqNumber; // Sequence number\r |
| 359 | UINT32 AckNumber; // Acknowledgement Number\r |
| 360 | //\r |
| 361 | // Nibble of HLEN (length of header in 32-bit multiples)\r |
| 362 | // 6bits of RESERVED\r |
| 363 | // Nibble of Code Bits\r |
| 364 | //\r |
| 365 | UINT16 HlenResCode;\r |
| 366 | UINT16 Window; // Software buffer size (sliding window size) in network-standard byte order\r |
| 367 | //\r |
| 368 | // ones complement of ones complement sum of 16 bit words of\r |
| 369 | // pseudo header, TCP header, and data\r |
| 370 | // zero checksum is transmitted as -0 (ones comp)\r |
| 371 | // zero transmitted means checksum not computed\r |
| 372 | //\r |
| e5f461a8 |
373 | UINT16 Checksum;\r |
| 878ddf1f |
374 | UINT16 UrgentPointer; // pointer to urgent data (allows sender to specify urgent data)\r |
| 375 | } TCPV4_HEADER;\r |
| 376 | \r |
| 377 | typedef struct {\r |
| 378 | TCPV4_PSEUDO_HEADER Tcpv4PseudoHeader;\r |
| 379 | TCPV4_HEADER Tcpv4Header;\r |
| 380 | } TCPV4_HEADERS;\r |
| 381 | \r |
| 382 | typedef struct {\r |
| 383 | UINT8 Kind; // one of the following:\r |
| 384 | UINT8 Length; // total option length including Kind and Lth\r |
| 385 | UINT8 Data[1]; // length = Lth - 2\r |
| 386 | } TCPV4_OPTION;\r |
| 387 | \r |
| 388 | #define TCP_OP_END 0 // only used to pad to end of TCP header\r |
| 389 | #define TCP_NOP 1 // optional - may be used to pad between options to get alignment\r |
| 390 | #define TCP_MAX_SEG 2 // maximum receive segment size - only send at initial connection request\r |
| 391 | #define MAX_MEDIA_HDR_SIZE 64\r |
| 392 | #define MIN_ENET_DATA_SIZE 64\r |
| 393 | #define MAX_ENET_DATA_SIZE 1500 // temp def - make a network based var\r |
| 394 | #define MAX_IPV4_PKT_SIZE 65535 // maximum IP packet size\r |
| 395 | #define MAX_IPV4_DATA_SIZE (MAX_IPV4_PKT_SIZE - sizeof (IPV4_HEADER))\r |
| 396 | #define MAX_IPV4_FRAME_DATA_SIZE (MAX_FRAME_DATA_SIZE - sizeof (IPV4_HEADER))\r |
| 397 | #define REAS_IPV4_PKT_SIZE 576 // minimum IP packet size all IP host can handle\r |
| 398 | #define REAS_IPV4_DATA_SIZE (REAS_IPV4_PKT_SIZE - sizeof (IPV4_HEADER))\r |
| 399 | \r |
| 400 | //\r |
| 401 | //\r |
| 402 | //\r |
| 403 | typedef union {\r |
| 404 | UINT8 Data[MAX_ENET_DATA_SIZE];\r |
| 405 | ICMPV4_HEADER IcmpHeader;\r |
| 406 | IGMPV2_MESSAGE IgmpMessage;\r |
| 407 | struct {\r |
| 408 | UDPV4_HEADER UdpHeader;\r |
| 409 | UINT8 Data[1];\r |
| 410 | } Udp;\r |
| 411 | struct {\r |
| 412 | TCPV4_HEADER TcpHeader;\r |
| 413 | UINT8 Data[1];\r |
| 414 | } Tcp;\r |
| 415 | } PROTOCOL_UNION;\r |
| 416 | \r |
| 417 | //\r |
| 418 | // out buffer structure\r |
| 419 | //\r |
| 420 | typedef struct {\r |
| 421 | UINT8 MediaHeader[MAX_MEDIA_HDR_SIZE];\r |
| 422 | IPV4_HEADER IpHeader;\r |
| 423 | //\r |
| 424 | // following union placement only valid if no option IP header\r |
| 425 | //\r |
| 426 | PROTOCOL_UNION u;\r |
| 427 | } IPV4_BUFFER;\r |
| 428 | \r |
| 429 | typedef struct {\r |
| 430 | IPV4_HEADER IpHeader;\r |
| 431 | //\r |
| 432 | // following union placement only valid if no option IP header\r |
| 433 | //\r |
| 434 | PROTOCOL_UNION u;\r |
| 435 | } IPV4_STRUCT;\r |
| 436 | \r |
| 437 | #pragma pack() // reset to default\r |
| e5f461a8 |
438 | \r |
| 878ddf1f |
439 | ////////////////////////////////////////////////////////////\r |
| 440 | //\r |
| 441 | // BC IP Filter Routine\r |
| 442 | //\r |
| 443 | EFI_STATUS\r |
| 444 | IpFilter (\r |
| 445 | PXE_BASECODE_DEVICE *Private,\r |
| 446 | IN EFI_PXE_BASE_CODE_IP_FILTER *Filter\r |
| 447 | )\r |
| 448 | ;\r |
| 449 | \r |
| 450 | //\r |
| 451 | // //////////////////////////////////////////////////////////////////////\r |
| 452 | //\r |
| 453 | // Udp Write Routine - called by base code - e.g. TFTP - already locked\r |
| 454 | //\r |
| 455 | EFI_STATUS\r |
| 456 | UdpWrite (\r |
| 457 | IN PXE_BASECODE_DEVICE *Private,\r |
| 458 | IN UINT16 OpFlags,\r |
| 459 | IN EFI_IP_ADDRESS *DestIpPtr,\r |
| 460 | IN EFI_PXE_BASE_CODE_UDP_PORT *DestPortptr,\r |
| 461 | IN EFI_IP_ADDRESS *GatewayIpPtr, OPTIONAL\r |
| 462 | IN EFI_IP_ADDRESS *SrcIpPtr, OPTIONAL\r |
| 463 | IN OUT EFI_PXE_BASE_CODE_UDP_PORT *SrcPortPtr, OPTIONAL\r |
| 464 | IN UINTN *HeaderSizePtr, OPTIONAL\r |
| 465 | IN VOID *HeaderPtr, OPTIONAL\r |
| 466 | IN UINTN *BufferSizePtr,\r |
| 467 | IN VOID *BufferPtr\r |
| 468 | )\r |
| 469 | ;\r |
| 470 | \r |
| 471 | //\r |
| 472 | // /////////////////////////////////////////////////////////////////////\r |
| 473 | //\r |
| 474 | // Udp Read Routine - called by base code - e.g. TFTP - already locked\r |
| 475 | //\r |
| 476 | EFI_STATUS\r |
| 477 | UdpRead (\r |
| 478 | IN PXE_BASECODE_DEVICE *Private,\r |
| 479 | IN UINT16 OpFlags,\r |
| 480 | IN OUT EFI_IP_ADDRESS *DestIpPtr, OPTIONAL\r |
| 481 | IN OUT EFI_PXE_BASE_CODE_UDP_PORT *DestPorPtrt, OPTIONAL\r |
| 482 | IN OUT EFI_IP_ADDRESS *SrcIpPtr, OPTIONAL\r |
| 483 | IN OUT EFI_PXE_BASE_CODE_UDP_PORT *SrcPortPtr, OPTIONAL\r |
| 484 | IN UINTN *HeaderSizePtr, OPTIONAL\r |
| 485 | IN VOID *HeaderPtr, OPTIONAL\r |
| 486 | IN OUT UINTN *BufferSizePtr,\r |
| 487 | IN VOID *BufferPtr,\r |
| 488 | IN EFI_EVENT TimeoutEvent\r |
| 489 | )\r |
| 490 | ;\r |
| 491 | \r |
| 492 | VOID\r |
| 493 | IgmpLeaveGroup (\r |
| 494 | PXE_BASECODE_DEVICE *Private,\r |
| 495 | EFI_IP_ADDRESS *\r |
| 496 | )\r |
| 497 | ;\r |
| 498 | \r |
| 499 | VOID\r |
| 500 | IgmpJoinGroup (\r |
| 501 | PXE_BASECODE_DEVICE *Private,\r |
| 502 | EFI_IP_ADDRESS *\r |
| 503 | )\r |
| 504 | ;\r |
| 505 | \r |
| 506 | //\r |
| 507 | // convert number to zero filled ascii value of length lth\r |
| 508 | //\r |
| 509 | VOID\r |
| 510 | CvtNum (\r |
| 511 | UINTN Number,\r |
| 512 | UINT8 *BufferPtr,\r |
| 513 | INTN BufferLen\r |
| 514 | )\r |
| 515 | ;\r |
| 516 | \r |
| 517 | //\r |
| 518 | // convert number to ascii string at ptr\r |
| 519 | //\r |
| 520 | VOID\r |
| 521 | UtoA10 (\r |
| 522 | UINTN Number,\r |
| 523 | UINT8 *BufferPtr\r |
| 524 | )\r |
| 525 | ;\r |
| 526 | \r |
| 527 | //\r |
| 528 | // convert ascii numeric string to UINTN\r |
| 529 | //\r |
| 530 | UINTN\r |
| 531 | AtoU (\r |
| 532 | UINT8 *BufferPtr\r |
| 533 | )\r |
| 534 | ;\r |
| 535 | \r |
| 536 | UINT64\r |
| 537 | AtoU64 (\r |
| 538 | UINT8 *BufferPtr\r |
| 539 | )\r |
| 540 | ;\r |
| 541 | \r |
| 542 | //\r |
| 543 | // calculate the internet checksum (RFC 1071)\r |
| 544 | // return 16 bit ones complement of ones complement sum of 16 bit words\r |
| 545 | //\r |
| 546 | UINT16\r |
| 547 | IpChecksum (\r |
| 548 | UINT16 *MessagePtr,\r |
| 549 | UINTN ByteLength\r |
| 550 | )\r |
| 551 | ;\r |
| 552 | \r |
| 553 | //\r |
| 554 | // do checksum on non contiguous header and data\r |
| 555 | //\r |
| 556 | UINT16\r |
| 557 | IpChecksum2 (\r |
| 558 | UINT16 *Header,\r |
| 559 | UINTN HeaderLength,\r |
| 560 | UINT16 *Message,\r |
| 561 | UINTN MessageLength\r |
| 562 | )\r |
| 563 | ;\r |
| 564 | \r |
| 565 | //\r |
| 566 | // update checksum when only a single word changes\r |
| 567 | //\r |
| 568 | UINT16\r |
| 569 | UpdateChecksum (\r |
| 570 | UINT16 OldChecksum,\r |
| 571 | UINT16 OldWord,\r |
| 572 | UINT16 NewWord\r |
| 573 | )\r |
| 574 | ;\r |
| 575 | \r |
| 576 | VOID\r |
| 577 | SeedRandom (\r |
| 578 | IN PXE_BASECODE_DEVICE *Private,\r |
| 579 | IN UINT16 InitialSeed\r |
| 580 | )\r |
| 581 | ;\r |
| 582 | \r |
| 583 | UINT16\r |
| 584 | Random (\r |
| 585 | IN PXE_BASECODE_DEVICE *Private\r |
| 586 | )\r |
| 587 | ;\r |
| 588 | \r |
| 589 | EFI_STATUS\r |
| 590 | SendPacket (\r |
| 591 | PXE_BASECODE_DEVICE *Private,\r |
| 592 | VOID *HeaderPtr,\r |
| 593 | VOID *PacketPtr,\r |
| 594 | INTN PacketLength,\r |
| 595 | VOID *HardwareAddress,\r |
| 596 | UINT16 MediaProtocol,\r |
| 597 | IN EFI_PXE_BASE_CODE_FUNCTION Function\r |
| 598 | )\r |
| 599 | ;\r |
| 600 | \r |
| 601 | VOID\r |
| 602 | HandleArpReceive (\r |
| 603 | PXE_BASECODE_DEVICE *Private,\r |
| 604 | ARP_PACKET *ArpPacketPtr,\r |
| 605 | VOID *HeaderPtr\r |
| 606 | )\r |
| 607 | ;\r |
| 608 | \r |
| 609 | VOID\r |
| 610 | HandleIgmp (\r |
| 611 | PXE_BASECODE_DEVICE *Private,\r |
| 612 | IGMPV2_MESSAGE *IgmpMessageptr,\r |
| 613 | UINTN IgmpMessageLen\r |
| 614 | )\r |
| 615 | ;\r |
| 616 | \r |
| 617 | VOID\r |
| 618 | IgmpCheckTimers (\r |
| 619 | PXE_BASECODE_DEVICE *Private\r |
| 620 | )\r |
| 621 | ; // poll when doing a receive\r |
| 622 | // return hw add of IP and TRUE if available, otherwise FALSE\r |
| 623 | //\r |
| 624 | BOOLEAN\r |
| 625 | GetHwAddr (\r |
| 626 | IN PXE_BASECODE_DEVICE *Private,\r |
| 627 | EFI_IP_ADDRESS *ProtocolAddressPtr,\r |
| 628 | EFI_MAC_ADDRESS *HardwareAddressPtr\r |
| 629 | )\r |
| 630 | ;\r |
| 631 | \r |
| 632 | EFI_STATUS\r |
| 633 | DoArp (\r |
| 634 | IN PXE_BASECODE_DEVICE *Private,\r |
| 635 | IN EFI_IP_ADDRESS *ProtocolAddressPtr,\r |
| 636 | OUT EFI_MAC_ADDRESS *HardwareAddressptr\r |
| 637 | )\r |
| 638 | ;\r |
| 639 | \r |
| 640 | BOOLEAN\r |
| 641 | OnSameSubnet (\r |
| 642 | UINTN IpAddressLen,\r |
| 643 | EFI_IP_ADDRESS *Ip1,\r |
| 644 | EFI_IP_ADDRESS *Ip2,\r |
| 645 | EFI_IP_ADDRESS *SubnetMask\r |
| 646 | )\r |
| 647 | ;\r |
| 648 | \r |
| 649 | VOID\r |
| 650 | IpAddRouter (\r |
| 651 | PXE_BASECODE_DEVICE *Private,\r |
| 652 | EFI_IP_ADDRESS *RouterIp\r |
| 653 | )\r |
| 654 | ;\r |
| 655 | \r |
| 656 | #define Ip4AddRouter(Private, Ipv4Ptr) IpAddRouter (Private, (EFI_IP_ADDRESS *) Ipv4Ptr)\r |
| 657 | \r |
| 658 | //\r |
| 659 | // routine to send ipv4 packet\r |
| 660 | // ipv4 + upper protocol header for length TotHdrLth in xmtbuf, ipv4 header length IpHdrLth\r |
| 661 | // routine fills in ipv4hdr Ver_Hdl, TotLth, and Checksum, moves in Data, and gets dest MAC address\r |
| 662 | //\r |
| 663 | EFI_STATUS\r |
| 664 | Ipv4Xmt (\r |
| 665 | PXE_BASECODE_DEVICE *Private,\r |
| 666 | UINT32 GatewayIP,\r |
| 667 | UINTN IpHeaderLen,\r |
| 668 | UINTN TotalHeaderLen,\r |
| 669 | VOID *Data,\r |
| 670 | UINTN DataLen,\r |
| 671 | EFI_PXE_BASE_CODE_FUNCTION Function\r |
| 672 | )\r |
| 673 | ;\r |
| 674 | \r |
| 675 | //\r |
| 676 | // send ipv4 packet with ipv4 option\r |
| 677 | //\r |
| 678 | EFI_STATUS\r |
| 679 | Ipv4SendWOp (\r |
| 680 | PXE_BASECODE_DEVICE *Private,\r |
| 681 | UINT32 GatewayIP,\r |
| 682 | UINT8 *MessagePtr,\r |
| 683 | UINTN MessageLth,\r |
| 684 | UINT8 Protocol,\r |
| 685 | UINT8 *Option,\r |
| 686 | UINTN OptionLen,\r |
| 687 | UINT32 DestIp,\r |
| 688 | EFI_PXE_BASE_CODE_FUNCTION Function\r |
| 689 | )\r |
| 690 | ;\r |
| 691 | \r |
| 692 | //\r |
| 693 | // send MsgLth message at MsgPtr - higher level protocol header already in xmtbuf, length HdrSize\r |
| 694 | //\r |
| 695 | EFI_STATUS\r |
| 696 | Ip4Send (\r |
| 697 | IN PXE_BASECODE_DEVICE *Private, // pointer to instance data\r |
| 698 | IN UINTN MayFragment, //\r |
| 699 | IN UINT8 Protocol, // protocol\r |
| 700 | IN UINT32 SrcIp, // Source IP address\r |
| 701 | IN UINT32 DestIp, // Destination IP address\r |
| 702 | IN UINT32 GatewayIp, // used if not NULL and needed\r |
| 703 | IN UINTN HeaderSize, // protocol header byte length\r |
| 704 | IN UINT8 *MsgPtr, // pointer to data\r |
| 705 | IN UINTN MsgLength\r |
| 706 | )\r |
| 707 | ; // data byte length\r |
| 708 | // receive up to MsgLth message into MsgPtr for protocol Prot\r |
| 709 | // return message length, src/dest ips if select any, and pointer to protocol header\r |
| 710 | //\r |
| 711 | EFI_STATUS\r |
| 712 | IpReceive (\r |
| 713 | IN PXE_BASECODE_DEVICE *Private, // pointer to instance data\r |
| 714 | UINT16 OpFlags, // Flags to determine if filtering on IP addresses\r |
| 715 | EFI_IP_ADDRESS *SrcIpPtr, // if filtering, O if accept any\r |
| 716 | EFI_IP_ADDRESS *DstIpPtr, // if filtering, O if accept any\r |
| 717 | UINT8 Protocol, // protocol\r |
| 718 | VOID *HeaderPtr, // address of where to put protocol header\r |
| 719 | UINTN HeaderSize, // protocol header byte length\r |
| 720 | UINT8 *MsgPtr, // pointer to data buffer\r |
| 721 | UINTN *MsgLenPtr, // pointer to data buffer length/ O - returned data length\r |
| 722 | IN EFI_EVENT TimeoutEvent\r |
| 723 | )\r |
| 724 | ;\r |
| 725 | \r |
| 878ddf1f |
726 | //\r |
| 727 | // routine to cycle waiting for a receive or timeout\r |
| 728 | //\r |
| 729 | EFI_STATUS\r |
| 730 | WaitForReceive (\r |
| 731 | IN PXE_BASECODE_DEVICE *Private,\r |
| 732 | IN EFI_PXE_BASE_CODE_FUNCTION Function,\r |
| 733 | IN EFI_EVENT TimeoutEvent,\r |
| 734 | IN OUT UINTN *HeaderSizePtr,\r |
| 735 | IN OUT UINTN *BufferSizePtr,\r |
| 736 | IN OUT UINT16 *ProtocolPtr\r |
| 737 | )\r |
| 738 | ;\r |
| 739 | \r |
| 740 | #endif /* _IP_H_ */\r |
| 741 | \r |
| 742 | /* EOF - ip.h */\r |
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