+#ifndef _EFI_PXE_H
+#define _EFI_PXE_H
+
+
+/*++
+Copyright (c) Intel 1999
+
+Module name:
+ efi_pxe.h
+
+32/64-bit PXE specification:
+ alpha-4, 99-Dec-17
+
+Abstract:
+ This header file contains all of the PXE type definitions,
+ structure prototypes, global variables and constants that
+ are needed for porting PXE to EFI.
+--*/
+
+#pragma pack(1)
+
+#define PXE_INTEL_ORDER 1 // Intel order
+//#define PXE_NETWORK_ORDER 1 // network order
+
+#define PXE_UINT64_SUPPORT 1 // UINT64 supported
+//#define PXE_NO_UINT64_SUPPORT 1 // UINT64 not supported
+
+#define PXE_BUSTYPE(a,b,c,d) \
+((((PXE_UINT32)(d) & 0xFF) << 24) | \
+(((PXE_UINT32)(c) & 0xFF) << 16) | \
+(((PXE_UINT32)(b) & 0xFF) << 8) | \
+((PXE_UINT32)(a) & 0xFF))
+
+//
+// UNDI ROM ID and devive ID signature
+//
+#define PXE_BUSTYPE_PXE PXE_BUSTYPE('!', 'P', 'X', 'E')
+
+//
+// BUS ROM ID signatures
+//
+#define PXE_BUSTYPE_PCI PXE_BUSTYPE('P', 'C', 'I', 'R')
+#define PXE_BUSTYPE_PC_CARD PXE_BUSTYPE('P', 'C', 'C', 'R')
+#define PXE_BUSTYPE_USB PXE_BUSTYPE('U', 'S', 'B', 'R')
+#define PXE_BUSTYPE_1394 PXE_BUSTYPE('1', '3', '9', '4')
+
+#define PXE_SWAP_UINT16(n) \
+((((PXE_UINT16)(n) & 0x00FF) << 8) | \
+(((PXE_UINT16)(n) & 0xFF00) >> 8))
+
+#define PXE_SWAP_UINT32(n) \
+((((PXE_UINT32)(n) & 0x000000FF) << 24) | \
+(((PXE_UINT32)(n) & 0x0000FF00) << 8) | \
+(((PXE_UINT32)(n) & 0x00FF0000) >> 8) | \
+(((PXE_UINT32)(n) & 0xFF000000) >> 24))
+
+#if PXE_UINT64_SUPPORT != 0
+#define PXE_SWAP_UINT64(n) \
+((((PXE_UINT64)(n) & 0x00000000000000FF) << 56) | \
+(((PXE_UINT64)(n) & 0x000000000000FF00) << 40) | \
+(((PXE_UINT64)(n) & 0x0000000000FF0000) << 24) | \
+(((PXE_UINT64)(n) & 0x00000000FF000000) << 8) | \
+(((PXE_UINT64)(n) & 0x000000FF00000000) >> 8) | \
+(((PXE_UINT64)(n) & 0x0000FF0000000000) >> 24) | \
+(((PXE_UINT64)(n) & 0x00FF000000000000) >> 40) | \
+(((PXE_UINT64)(n) & 0xFF00000000000000) >> 56))
+#endif // PXE_UINT64_SUPPORT
+
+#if PXE_NO_UINT64_SUPPORT != 0
+#define PXE_SWAP_UINT64(n) \
+{ \
+PXE_UINT32 tmp = (PXE_UINT64)(n)[1]; \
+(PXE_UINT64)(n)[1] = PXE_SWAP_UINT32((PXE_UINT64)(n)[0]); \
+(PXE_UINT64)(n)[0] = tmp; \
+}
+#endif // PXE_NO_UINT64_SUPPORT
+
+#define PXE_CPBSIZE_NOT_USED 0 // zero
+#define PXE_DBSIZE_NOT_USED 0 // zero
+#define PXE_CPBADDR_NOT_USED (PXE_UINT64)0 // zero
+#define PXE_DBADDR_NOT_USED (PXE_UINT64)0 // zero
+
+#define PXE_CONST const
+
+#define PXE_VOLATILE volatile
+
+typedef void PXE_VOID;
+
+typedef unsigned char PXE_UINT8;
+
+typedef unsigned short PXE_UINT16;
+
+typedef unsigned PXE_UINT32;
+
+#if PXE_UINT64_SUPPORT != 0
+// typedef unsigned long PXE_UINT64;
+typedef UINT64 PXE_UINT64;
+#endif // PXE_UINT64_SUPPORT
+
+#if PXE_NO_UINT64_SUPPORT != 0
+typedef PXE_UINT32 PXE_UINT64[2];
+#endif // PXE_NO_UINT64_SUPPORT
+
+typedef unsigned PXE_UINTN;
+
+typedef PXE_UINT8 PXE_BOOL;
+
+#define PXE_FALSE 0 // zero
+#define PXE_TRUE (!PXE_FALSE)
+
+typedef PXE_UINT16 PXE_OPCODE;
+
+//
+// Return UNDI operational state.
+//
+#define PXE_OPCODE_GET_STATE 0x0000
+
+//
+// Change UNDI operational state from Stopped to Started.
+//
+#define PXE_OPCODE_START 0x0001
+
+//
+// Change UNDI operational state from Started to Stopped.
+//
+#define PXE_OPCODE_STOP 0x0002
+
+//
+// Get UNDI initialization information.
+//
+#define PXE_OPCODE_GET_INIT_INFO 0x0003
+
+//
+// Get NIC configuration information.
+//
+#define PXE_OPCODE_GET_CONFIG_INFO 0x0004
+
+//
+// Changed UNDI operational state from Started to Initialized.
+//
+#define PXE_OPCODE_INITIALIZE 0x0005
+
+//
+// Re-initialize the NIC H/W.
+//
+#define PXE_OPCODE_RESET 0x0006
+
+//
+// Change the UNDI operational state from Initialized to Started.
+//
+#define PXE_OPCODE_SHUTDOWN 0x0007
+
+//
+// Read & change state of external interrupt enables.
+//
+#define PXE_OPCODE_INTERRUPT_ENABLES 0x0008
+
+//
+// Read & change state of packet receive filters.
+//
+#define PXE_OPCODE_RECEIVE_FILTERS 0x0009
+
+//
+// Read & change station MAC address.
+//
+#define PXE_OPCODE_STATION_ADDRESS 0x000A
+
+//
+// Read traffic statistics.
+//
+#define PXE_OPCODE_STATISTICS 0x000B
+
+//
+// Convert multicast IP address to multicast MAC address.
+//
+#define PXE_OPCODE_MCAST_IP_TO_MAC 0x000C
+
+//
+// Read or change non-volatile storage on the NIC.
+//
+#define PXE_OPCODE_NVDATA 0x000D
+
+//
+// Get & clear interrupt status.
+//
+#define PXE_OPCODE_GET_STATUS 0x000E
+
+//
+// Fill media header in packet for transmit.
+//
+#define PXE_OPCODE_FILL_HEADER 0x000F
+
+//
+// Transmit packet(s).
+//
+#define PXE_OPCODE_TRANSMIT 0x0010
+
+//
+// Receive packet.
+//
+#define PXE_OPCODE_RECEIVE 0x0011
+
+// last valid opcode:
+#define PXE_OPCODE_VALID_MAX 0x0011
+
+//
+// Last valid PXE UNDI OpCode number.
+//
+#define PXE_OPCODE_LAST_VALID 0x0011
+
+typedef PXE_UINT16 PXE_OPFLAGS;
+
+#define PXE_OPFLAGS_NOT_USED 0x0000
+
+////////////////////////////////////////
+// UNDI Get State
+//
+
+// No OpFlags
+
+////////////////////////////////////////
+// UNDI Start
+//
+
+// No OpFlags
+
+////////////////////////////////////////
+// UNDI Stop
+//
+
+// No OpFlags
+
+////////////////////////////////////////
+// UNDI Get Init Info
+//
+
+// No Opflags
+
+////////////////////////////////////////
+// UNDI Get Config Info
+//
+
+// No Opflags
+
+////////////////////////////////////////
+// UNDI Initialize
+//
+
+#define PXE_OPFLAGS_INITIALIZE_CABLE_DETECT_MASK 0x0001
+#define PXE_OPFLAGS_INITIALIZE_DETECT_CABLE 0x0000
+#define PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE 0x0001
+
+////////////////////////////////////////
+// UNDI Reset
+//
+
+#define PXE_OPFLAGS_RESET_DISABLE_INTERRUPTS 0x0001
+#define PXE_OPFLAGS_RESET_DISABLE_FILTERS 0x0002
+
+////////////////////////////////////////
+// UNDI Shutdown
+//
+
+// No OpFlags
+
+////////////////////////////////////////
+// UNDI Interrupt Enables
+//
+
+//
+// Select whether to enable or disable external interrupt signals.
+// Setting both enable and disable will return PXE_STATCODE_INVALID_OPFLAGS.
+//
+#define PXE_OPFLAGS_INTERRUPT_OPMASK 0xC000
+#define PXE_OPFLAGS_INTERRUPT_ENABLE 0x8000
+#define PXE_OPFLAGS_INTERRUPT_DISABLE 0x4000
+#define PXE_OPFLAGS_INTERRUPT_READ 0x0000
+
+//
+// Enable receive interrupts. An external interrupt will be generated
+// after a complete non-error packet has been received.
+//
+#define PXE_OPFLAGS_INTERRUPT_RECEIVE 0x0001
+
+//
+// Enable transmit interrupts. An external interrupt will be generated
+// after a complete non-error packet has been transmitted.
+//
+#define PXE_OPFLAGS_INTERRUPT_TRANSMIT 0x0002
+
+//
+// Enable command interrupts. An external interrupt will be generated
+// when command execution stops.
+//
+#define PXE_OPFLAGS_INTERRUPT_COMMAND 0x0004
+
+//
+// Generate software interrupt. Setting this bit generates an external
+// interrupt, if it is supported by the hardware.
+//
+#define PXE_OPFLAGS_INTERRUPT_SOFTWARE 0x0008
+
+////////////////////////////////////////
+// UNDI Receive Filters
+//
+
+//
+// Select whether to enable or disable receive filters.
+// Setting both enable and disable will return PXE_STATCODE_INVALID_OPCODE.
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_OPMASK 0xC000
+#define PXE_OPFLAGS_RECEIVE_FILTER_ENABLE 0x8000
+#define PXE_OPFLAGS_RECEIVE_FILTER_DISABLE 0x4000
+#define PXE_OPFLAGS_RECEIVE_FILTER_READ 0x0000
+
+//
+// To reset the contents of the multicast MAC address filter list,
+// set this OpFlag:
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST 0x2000
+
+//
+// Enable unicast packet receiving. Packets sent to the current station
+// MAC address will be received.
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_UNICAST 0x0001
+
+//
+// Enable broadcast packet receiving. Packets sent to the broadcast
+// MAC address will be received.
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST 0x0002
+
+//
+// Enable filtered multicast packet receiving. Packets sent to any
+// of the multicast MAC addresses in the multicast MAC address filter
+// list will be received. If the filter list is empty, no multicast
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST 0x0004
+
+//
+// Enable promiscuous packet receiving. All packets will be received.
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS 0x0008
+
+//
+// Enable promiscuous multicast packet receiving. All multicast
+// packets will be received.
+//
+#define PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST 0x0010
+
+////////////////////////////////////////
+// UNDI Station Address
+//
+
+#define PXE_OPFLAGS_STATION_ADDRESS_READ 0x0000
+#define PXE_OPFLAGS_STATION_ADDRESS_RESET 0x0001
+
+////////////////////////////////////////
+// UNDI Statistics
+//
+
+#define PXE_OPFLAGS_STATISTICS_READ 0x0000
+#define PXE_OPFLAGS_STATISTICS_RESET 0x0001
+
+////////////////////////////////////////
+// UNDI MCast IP to MAC
+//
+
+//
+// Identify the type of IP address in the CPB.
+//
+#define PXE_OPFLAGS_MCAST_IP_TO_MAC_OPMASK 0x0003
+#define PXE_OPFLAGS_MCAST_IPV4_TO_MAC 0x0000
+#define PXE_OPFLAGS_MCAST_IPV6_TO_MAC 0x0001
+
+////////////////////////////////////////
+// UNDI NvData
+//
+
+//
+// Select the type of non-volatile data operation.
+//
+#define PXE_OPFLAGS_NVDATA_OPMASK 0x0001
+#define PXE_OPFLAGS_NVDATA_READ 0x0000
+#define PXE_OPFLAGS_NVDATA_WRITE 0x0001
+
+////////////////////////////////////////
+// UNDI Get Status
+//
+
+//
+// Return current interrupt status. This will also clear any interrupts
+// that are currently set. This can be used in a polling routine. The
+// interrupt flags are still set and cleared even when the interrupts
+// are disabled.
+//
+#define PXE_OPFLAGS_GET_INTERRUPT_STATUS 0x0001
+
+//
+// Return list of transmitted buffers for recycling. Transmit buffers
+// must not be changed or unallocated until they have recycled. After
+// issuing a transmit command, wait for a transmit complete interrupt.
+// When a transmit complete interrupt is received, read the transmitted
+// buffers. Do not plan on getting one buffer per interrupt. Some
+// NICs and UNDIs may transmit multiple buffers per interrupt.
+//
+#define PXE_OPFLAGS_GET_TRANSMITTED_BUFFERS 0x0002
+
+////////////////////////////////////////
+// UNDI Fill Header
+//
+
+#define PXE_OPFLAGS_FILL_HEADER_OPMASK 0x0001
+#define PXE_OPFLAGS_FILL_HEADER_FRAGMENTED 0x0001
+#define PXE_OPFLAGS_FILL_HEADER_WHOLE 0x0000
+
+////////////////////////////////////////
+// UNDI Transmit
+//
+
+//
+// S/W UNDI only. Return after the packet has been transmitted. A
+// transmit complete interrupt will still be generated and the transmit
+// buffer will have to be recycled.
+//
+#define PXE_OPFLAGS_SWUNDI_TRANSMIT_OPMASK 0x0001
+#define PXE_OPFLAGS_TRANSMIT_BLOCK 0x0001
+#define PXE_OPFLAGS_TRANSMIT_DONT_BLOCK 0x0000
+
+//
+//
+//
+#define PXE_OPFLAGS_TRANSMIT_OPMASK 0x0002
+#define PXE_OPFLAGS_TRANSMIT_FRAGMENTED 0x0002
+#define PXE_OPFLAGS_TRANSMIT_WHOLE 0x0000
+
+////////////////////////////////////////
+// UNDI Receive
+//
+
+// No OpFlags
+
+typedef PXE_UINT16 PXE_STATFLAGS;
+
+#define PXE_STATFLAGS_INITIALIZE 0x0000
+
+////////////////////////////////////////
+// Common StatFlags that can be returned by all commands.
+//
+
+//
+// The COMMAND_COMPLETE and COMMAND_FAILED status flags must be
+// implemented by all UNDIs. COMMAND_QUEUED is only needed by UNDIs
+// that support command queuing.
+//
+#define PXE_STATFLAGS_STATUS_MASK 0xC000
+#define PXE_STATFLAGS_COMMAND_COMPLETE 0xC000
+#define PXE_STATFLAGS_COMMAND_FAILED 0x8000
+#define PXE_STATFLAGS_COMMAND_QUEUED 0x4000
+//#define PXE_STATFLAGS_INITIALIZE 0x0000
+
+#define PXE_STATFLAGS_DB_WRITE_TRUNCATED 0x2000
+
+////////////////////////////////////////
+// UNDI Get State
+//
+
+#define PXE_STATFLAGS_GET_STATE_MASK 0x0003
+#define PXE_STATFLAGS_GET_STATE_INITIALIZED 0x0002
+#define PXE_STATFLAGS_GET_STATE_STARTED 0x0001
+#define PXE_STATFLAGS_GET_STATE_STOPPED 0x0000
+
+////////////////////////////////////////
+// UNDI Start
+//
+
+// No additional StatFlags
+
+////////////////////////////////////////
+// UNDI Get Init Info
+//
+
+#define PXE_STATFLAGS_CABLE_DETECT_MASK 0x0001
+#define PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED 0x0000
+#define PXE_STATFLAGS_CABLE_DETECT_SUPPORTED 0x0001
+
+
+////////////////////////////////////////
+// UNDI Initialize
+//
+
+#define PXE_STATFLAGS_INITIALIZED_NO_MEDIA 0x0001
+
+////////////////////////////////////////
+// UNDI Reset
+//
+
+#define PXE_STATFLAGS_RESET_NO_MEDIA 0x0001
+
+////////////////////////////////////////
+// UNDI Shutdown
+//
+
+// No additional StatFlags
+
+////////////////////////////////////////
+// UNDI Interrupt Enables
+//
+
+//
+// If set, receive interrupts are enabled.
+//
+#define PXE_STATFLAGS_INTERRUPT_RECEIVE 0x0001
+
+//
+// If set, transmit interrupts are enabled.
+//
+#define PXE_STATFLAGS_INTERRUPT_TRANSMIT 0x0002
+
+//
+// If set, command interrupts are enabled.
+//
+#define PXE_STATFLAGS_INTERRUPT_COMMAND 0x0004
+
+
+////////////////////////////////////////
+// UNDI Receive Filters
+//
+
+//
+// If set, unicast packets will be received.
+//
+#define PXE_STATFLAGS_RECEIVE_FILTER_UNICAST 0x0001
+
+//
+// If set, broadcast packets will be received.
+//
+#define PXE_STATFLAGS_RECEIVE_FILTER_BROADCAST 0x0002
+
+//
+// If set, multicast packets that match up with the multicast address
+// filter list will be received.
+//
+#define PXE_STATFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST 0x0004
+
+//
+// If set, all packets will be received.
+//
+#define PXE_STATFLAGS_RECEIVE_FILTER_PROMISCUOUS 0x0008
+
+//
+// If set, all multicast packets will be received.
+//
+#define PXE_STATFLAGS_RECEIVE_FILTER_ALL_MULTICAST 0x0010
+
+////////////////////////////////////////
+// UNDI Station Address
+//
+
+// No additional StatFlags
+
+////////////////////////////////////////
+// UNDI Statistics
+//
+
+// No additional StatFlags
+
+////////////////////////////////////////
+// UNDI MCast IP to MAC
+//
+
+// No additional StatFlags
+
+////////////////////////////////////////
+// UNDI NvData
+//
+
+// No additional StatFlags
+
+
+////////////////////////////////////////
+// UNDI Get Status
+//
+
+//
+// Use to determine if an interrupt has occurred.
+//
+#define PXE_STATFLAGS_GET_STATUS_INTERRUPT_MASK 0x000F
+#define PXE_STATFLAGS_GET_STATUS_NO_INTERRUPTS 0x0000
+
+//
+// If set, at least one receive interrupt occurred.
+//
+#define PXE_STATFLAGS_GET_STATUS_RECEIVE 0x0001
+
+//
+// If set, at least one transmit interrupt occurred.
+//
+#define PXE_STATFLAGS_GET_STATUS_TRANSMIT 0x0002
+
+//
+// If set, at least one command interrupt occurred.
+//
+#define PXE_STATFLAGS_GET_STATUS_COMMAND 0x0004
+
+//
+// If set, at least one software interrupt occurred.
+//
+#define PXE_STATFLAGS_GET_STATUS_SOFTWARE 0x0008
+
+//
+// This flag is set if the transmitted buffer queue is empty. This flag
+// will be set if all transmitted buffer addresses get written into the DB.
+//
+#define PXE_STATFLAGS_GET_STATUS_TXBUF_QUEUE_EMPTY 0x0010
+
+//
+// This flag is set if no transmitted buffer addresses were written
+// into the DB. (This could be because DBsize was too small.)
+//
+#define PXE_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN 0x0020
+
+////////////////////////////////////////
+// UNDI Fill Header
+//
+
+// No additional StatFlags
+
+////////////////////////////////////////
+// UNDI Transmit
+//
+
+// No additional StatFlags.
+
+////////////////////////////////////////
+// UNDI Receive
+//
+
+// No additional StatFlags.
+
+typedef PXE_UINT16 PXE_STATCODE;
+
+#define PXE_STATCODE_INITIALIZE 0x0000
+
+////////////////////////////////////////
+// Common StatCodes returned by all UNDI commands, UNDI protocol functions
+// and BC protocol functions.
+//
+
+#define PXE_STATCODE_SUCCESS 0x0000
+
+#define PXE_STATCODE_INVALID_CDB 0x0001
+#define PXE_STATCODE_INVALID_CPB 0x0002
+#define PXE_STATCODE_BUSY 0x0003
+#define PXE_STATCODE_QUEUE_FULL 0x0004
+#define PXE_STATCODE_ALREADY_STARTED 0x0005
+#define PXE_STATCODE_NOT_STARTED 0x0006
+#define PXE_STATCODE_NOT_SHUTDOWN 0x0007
+#define PXE_STATCODE_ALREADY_INITIALIZED 0x0008
+#define PXE_STATCODE_NOT_INITIALIZED 0x0009
+#define PXE_STATCODE_DEVICE_FAILURE 0x000A
+#define PXE_STATCODE_NVDATA_FAILURE 0x000B
+#define PXE_STATCODE_UNSUPPORTED 0x000C
+#define PXE_STATCODE_BUFFER_FULL 0x000D
+#define PXE_STATCODE_INVALID_PARAMETER 0x000E
+#define PXE_STATCODE_INVALID_UNDI 0x000F
+#define PXE_STATCODE_IPV4_NOT_SUPPORTED 0x0010
+#define PXE_STATCODE_IPV6_NOT_SUPPORTED 0x0011
+#define PXE_STATCODE_NOT_ENOUGH_MEMORY 0x0012
+#define PXE_STATCODE_NO_DATA 0x0013
+
+
+typedef PXE_UINT16 PXE_IFNUM;
+
+//
+// This interface number must be passed to the S/W UNDI Start command.
+//
+#define PXE_IFNUM_START 0x0000
+
+//
+// This interface number is returned by the S/W UNDI Get State and
+// Start commands if information in the CDB, CPB or DB is invalid.
+//
+#define PXE_IFNUM_INVALID 0x0000
+
+typedef PXE_UINT16 PXE_CONTROL;
+
+//
+// Setting this flag directs the UNDI to queue this command for later
+// execution if the UNDI is busy and it supports command queuing.
+// If queuing is not supported, a PXE_STATCODE_INVALID_CONTROL error
+// is returned. If the queue is full, a PXE_STATCODE_CDB_QUEUE_FULL
+// error is returned.
+//
+#define PXE_CONTROL_QUEUE_IF_BUSY 0x0002
+
+//
+// These two bit values are used to determine if there are more UNDI
+// CDB structures following this one. If the link bit is set, there
+// must be a CDB structure following this one. Execution will start
+// on the next CDB structure as soon as this one completes successfully.
+// If an error is generated by this command, execution will stop.
+//
+#define PXE_CONTROL_LINK 0x0001
+#define PXE_CONTROL_LAST_CDB_IN_LIST 0x0000
+
+typedef PXE_UINT8 PXE_FRAME_TYPE;
+
+#define PXE_FRAME_TYPE_NONE 0x00
+#define PXE_FRAME_TYPE_UNICAST 0x01
+#define PXE_FRAME_TYPE_BROADCAST 0x02
+#define PXE_FRAME_TYPE_MULTICAST 0x03
+#define PXE_FRAME_TYPE_PROMISCUOUS 0x04
+
+typedef PXE_UINT32 PXE_IPV4;
+
+typedef PXE_UINT32 PXE_IPV6[4];
+#define PXE_MAC_LENGTH 32
+
+typedef PXE_UINT8 PXE_MAC_ADDR[PXE_MAC_LENGTH];
+
+typedef PXE_UINT8 PXE_IFTYPE;
+typedef PXE_UINT16 PXE_MEDIA_PROTOCOL;
+
+//
+// This information is from the ARP section of RFC 1700.
+//
+// 1 Ethernet (10Mb) [JBP]
+// 2 Experimental Ethernet (3Mb) [JBP]
+// 3 Amateur Radio AX.25 [PXK]
+// 4 Proteon ProNET Token Ring [JBP]
+// 5 Chaos [GXP]
+// 6 IEEE 802 Networks [JBP]
+// 7 ARCNET [JBP]
+// 8 Hyperchannel [JBP]
+// 9 Lanstar [TU]
+// 10 Autonet Short Address [MXB1]
+// 11 LocalTalk [JKR1]
+// 12 LocalNet (IBM PCNet or SYTEK LocalNET) [JXM]
+// 13 Ultra link [RXD2]
+// 14 SMDS [GXC1]
+// 15 Frame Relay [AGM]
+// 16 Asynchronous Transmission Mode (ATM) [JXB2]
+// 17 HDLC [JBP]
+// 18 Fibre Channel [Yakov Rekhter]
+// 19 Asynchronous Transmission Mode (ATM) [Mark Laubach]
+// 20 Serial Line [JBP]
+// 21 Asynchronous Transmission Mode (ATM) [MXB1]
+//
+
+#define PXE_IFTYPE_ETHERNET 0x01
+#define PXE_IFTYPE_TOKENRING 0x04
+#define PXE_IFTYPE_FIBRE_CHANNEL 0x12
+
+typedef struct s_pxe_hw_undi {
+PXE_UINT32 Signature; // PXE_ROMID_SIGNATURE
+PXE_UINT8 Len; // sizeof(PXE_HW_UNDI)
+PXE_UINT8 Fudge; // makes 8-bit cksum equal zero
+PXE_UINT8 Rev; // PXE_ROMID_REV
+PXE_UINT8 IFcnt; // physical connector count
+PXE_UINT8 MajorVer; // PXE_ROMID_MAJORVER
+PXE_UINT8 MinorVer; // PXE_ROMID_MINORVER
+PXE_UINT16 reserved; // zero, not used
+PXE_UINT32 Implementation; // implementation flags
+// reserved // vendor use
+// PXE_UINT32 Status; // status port
+// PXE_UINT32 Command; // command port
+// PXE_UINT64 CDBaddr; // CDB address port
+} PXE_HW_UNDI;
+
+//
+// Status port bit definitions
+//
+
+//
+// UNDI operation state
+//
+#define PXE_HWSTAT_STATE_MASK 0xC0000000
+#define PXE_HWSTAT_BUSY 0xC0000000
+#define PXE_HWSTAT_INITIALIZED 0x80000000
+#define PXE_HWSTAT_STARTED 0x40000000
+#define PXE_HWSTAT_STOPPED 0x00000000
+
+//
+// If set, last command failed
+//
+#define PXE_HWSTAT_COMMAND_FAILED 0x20000000
+
+//
+// If set, identifies enabled receive filters
+//
+#define PXE_HWSTAT_PROMISCUOUS_MULTICAST_RX_ENABLED 0x00001000
+#define PXE_HWSTAT_PROMISCUOUS_RX_ENABLED 0x00000800
+#define PXE_HWSTAT_BROADCAST_RX_ENABLED 0x00000400
+#define PXE_HWSTAT_MULTICAST_RX_ENABLED 0x00000200
+#define PXE_HWSTAT_UNICAST_RX_ENABLED 0x00000100
+
+//
+// If set, identifies enabled external interrupts
+//
+#define PXE_HWSTAT_SOFTWARE_INT_ENABLED 0x00000080
+#define PXE_HWSTAT_TX_COMPLETE_INT_ENABLED 0x00000040
+#define PXE_HWSTAT_PACKET_RX_INT_ENABLED 0x00000020
+#define PXE_HWSTAT_CMD_COMPLETE_INT_ENABLED 0x00000010
+
+//
+// If set, identifies pending interrupts
+//
+#define PXE_HWSTAT_SOFTWARE_INT_PENDING 0x00000008
+#define PXE_HWSTAT_TX_COMPLETE_INT_PENDING 0x00000004
+#define PXE_HWSTAT_PACKET_RX_INT_PENDING 0x00000002
+#define PXE_HWSTAT_CMD_COMPLETE_INT_PENDING 0x00000001
+
+//
+// Command port definitions
+//
+
+//
+// If set, CDB identified in CDBaddr port is given to UNDI.
+// If not set, other bits in this word will be processed.
+//
+#define PXE_HWCMD_ISSUE_COMMAND 0x80000000
+#define PXE_HWCMD_INTS_AND_FILTS 0x00000000
+
+//
+// Use these to enable/disable receive filters.
+//
+#define PXE_HWCMD_PROMISCUOUS_MULTICAST_RX_ENABLE 0x00001000
+#define PXE_HWCMD_PROMISCUOUS_RX_ENABLE 0x00000800
+#define PXE_HWCMD_BROADCAST_RX_ENABLE 0x00000400
+#define PXE_HWCMD_MULTICAST_RX_ENABLE 0x00000200
+#define PXE_HWCMD_UNICAST_RX_ENABLE 0x00000100
+
+//
+// Use these to enable/disable external interrupts
+//
+#define PXE_HWCMD_SOFTWARE_INT_ENABLE 0x00000080
+#define PXE_HWCMD_TX_COMPLETE_INT_ENABLE 0x00000040
+#define PXE_HWCMD_PACKET_RX_INT_ENABLE 0x00000020
+#define PXE_HWCMD_CMD_COMPLETE_INT_ENABLE 0x00000010
+
+//
+// Use these to clear pending external interrupts
+//
+#define PXE_HWCMD_CLEAR_SOFTWARE_INT 0x00000008
+#define PXE_HWCMD_CLEAR_TX_COMPLETE_INT 0x00000004
+#define PXE_HWCMD_CLEAR_PACKET_RX_INT 0x00000002
+#define PXE_HWCMD_CLEAR_CMD_COMPLETE_INT 0x00000001
+
+typedef struct s_pxe_sw_undi {
+PXE_UINT32 Signature; // PXE_ROMID_SIGNATURE
+PXE_UINT8 Len; // sizeof(PXE_SW_UNDI)
+PXE_UINT8 Fudge; // makes 8-bit cksum zero
+PXE_UINT8 Rev; // PXE_ROMID_REV
+PXE_UINT8 IFcnt; // physical connector count
+PXE_UINT8 MajorVer; // PXE_ROMID_MAJORVER
+PXE_UINT8 MinorVer; // PXE_ROMID_MINORVER
+PXE_UINT16 reserved1; // zero, not used
+PXE_UINT32 Implementation; // Implementation flags
+PXE_UINT64 EntryPoint; // API entry point
+PXE_UINT8 reserved2[3]; // zero, not used
+PXE_UINT8 BusCnt; // number of bustypes supported
+PXE_UINT32 BusType[1]; // list of supported bustypes
+} PXE_SW_UNDI;
+
+typedef union u_pxe_undi {
+PXE_HW_UNDI hw;
+PXE_SW_UNDI sw;
+} PXE_UNDI;
+
+//
+// Signature of !PXE structure
+//
+#define PXE_ROMID_SIGNATURE PXE_BUSTYPE('!', 'P', 'X', 'E')
+
+//
+// !PXE structure format revision
+//
+#define PXE_ROMID_REV 0x02
+
+//
+// UNDI command interface revision. These are the values that get sent
+// in option 94 (Client Network Interface Identifier) in the DHCP Discover
+// and PXE Boot Server Request packets.
+//
+#define PXE_ROMID_MAJORVER 0x03
+#define PXE_ROMID_MINORVER 0x00
+
+//
+// Implementation flags
+//
+#define PXE_ROMID_IMP_HW_UNDI 0x80000000
+#define PXE_ROMID_IMP_SW_VIRT_ADDR 0x40000000
+#define PXE_ROMID_IMP_64BIT_DEVICE 0x00010000
+#define PXE_ROMID_IMP_FRAG_SUPPORTED 0x00008000
+#define PXE_ROMID_IMP_CMD_LINK_SUPPORTED 0x00004000
+#define PXE_ROMID_IMP_CMD_QUEUE_SUPPORTED 0x00002000
+#define PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED 0x00001000
+#define PXE_ROMID_IMP_NVDATA_SUPPORT_MASK 0x00000C00
+#define PXE_ROMID_IMP_NVDATA_BULK_WRITABLE 0x00000C00
+#define PXE_ROMID_IMP_NVDATA_SPARSE_WRITABLE 0x00000800
+#define PXE_ROMID_IMP_NVDATA_READ_ONLY 0x00000400
+#define PXE_ROMID_IMP_NVDATA_NOT_AVAILABLE 0x00000000
+#define PXE_ROMID_IMP_STATISTICS_SUPPORTED 0x00000200
+#define PXE_ROMID_IMP_STATION_ADDR_SETTABLE 0x00000100
+#define PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED 0x00000080
+#define PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED 0x00000040
+#define PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED 0x00000020
+#define PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED 0x00000010
+#define PXE_ROMID_IMP_SOFTWARE_INT_SUPPORTED 0x00000008
+#define PXE_ROMID_IMP_TX_COMPLETE_INT_SUPPORTED 0x00000004
+#define PXE_ROMID_IMP_PACKET_RX_INT_SUPPORTED 0x00000002
+#define PXE_ROMID_IMP_CMD_COMPLETE_INT_SUPPORTED 0x00000001
+
+
+typedef struct s_pxe_cdb {
+PXE_OPCODE OpCode;
+PXE_OPFLAGS OpFlags;
+PXE_UINT16 CPBsize;
+PXE_UINT16 DBsize;
+UINT64 CPBaddr;
+UINT64 DBaddr;
+PXE_STATCODE StatCode;
+PXE_STATFLAGS StatFlags;
+PXE_UINT16 IFnum;
+PXE_CONTROL Control;
+} PXE_CDB;
+
+
+typedef union u_pxe_ip_addr {
+PXE_IPV6 IPv6;
+PXE_IPV4 IPv4;
+} PXE_IP_ADDR;
+
+typedef union pxe_device {
+//
+// PCI and PC Card NICs are both identified using bus, device
+// and function numbers. For PC Card, this may require PC
+// Card services to be loaded in the BIOS or preboot
+// environment.
+//
+struct {
+//
+// See S/W UNDI ROMID structure definition for PCI and
+// PCC BusType definitions.
+//
+PXE_UINT32 BusType;
+
+//
+// Bus, device & function numbers that locate this device.
+//
+PXE_UINT16 Bus;
+PXE_UINT8 Device;
+PXE_UINT8 Function;
+} PCI, PCC;
+
+//
+// %%TBD - More information is needed about enumerating
+// USB and 1394 devices.
+//
+struct {
+PXE_UINT32 BusType;
+PXE_UINT32 tdb;
+} USB, _1394;
+} PXE_DEVICE;
+
+// cpb and db definitions
+
+#define MAX_PCI_CONFIG_LEN 64 // # of dwords
+#define MAX_EEPROM_LEN 128 // #of dwords
+#define MAX_XMIT_BUFFERS 32 // recycling Q length for xmit_done
+#define MAX_MCAST_ADDRESS_CNT 8
+
+typedef struct s_pxe_cpb_start {
+ //
+ // PXE_VOID Delay(PXE_UINT64 microseconds);
+ //
+ // UNDI will never request a delay smaller than 10 microseconds
+ // and will always request delays in increments of 10 microseconds.
+ // The Delay() CallBack routine must delay between n and n + 10
+ // microseconds before returning control to the UNDI.
+ //
+ // This field cannot be set to zero.
+ //
+ PXE_UINT64 Delay;
+
+ //
+ // PXE_VOID Block(PXE_UINT32 enable);
+ //
+ // UNDI may need to block multi-threaded/multi-processor access to
+ // critical code sections when programming or accessing the network
+ // device. To this end, a blocking service is needed by the UNDI.
+ // When UNDI needs a block, it will call Block() passing a non-zero
+ // value. When UNDI no longer needs a block, it will call Block()
+ // with a zero value. When called, if the Block() is already enabled,
+ // do not return control to the UNDI until the previous Block() is
+ // disabled.
+ //
+ // This field cannot be set to zero.
+ //
+ PXE_UINT64 Block;
+
+ //
+ // PXE_VOID Virt2Phys(PXE_UINT64 virtual, PXE_UINT64 physical_ptr);
+ //
+ // UNDI will pass the virtual address of a buffer and the virtual
+ // address of a 64-bit physical buffer. Convert the virtual address
+ // to a physical address and write the result to the physical address
+ // buffer. If virtual and physical addresses are the same, just
+ // copy the virtual address to the physical address buffer.
+ //
+ // This field can be set to zero if virtual and physical addresses
+ // are equal.
+ //
+ PXE_UINT64 Virt2Phys;
+ //
+ // PXE_VOID Mem_IO(PXE_UINT8 read_write, PXE_UINT8 len, PXE_UINT64 port,
+ // PXE_UINT64 buf_addr);
+ //
+ // UNDI will read or write the device io space using this call back
+ // function. It passes the number of bytes as the len parameter and it
+ // will be either 1,2,4 or 8.
+ //
+ // This field can not be set to zero.
+ //
+ PXE_UINT64 Mem_IO;
+} PXE_CPB_START;
+
+#define PXE_DELAY_MILLISECOND 1000
+#define PXE_DELAY_SECOND 1000000
+#define PXE_IO_READ 0
+#define PXE_IO_WRITE 1
+#define PXE_MEM_READ 2
+#define PXE_MEM_WRITE 4
+
+
+typedef struct s_pxe_db_get_init_info {
+ //
+ // Minimum length of locked memory buffer that must be given to
+ // the Initialize command. Giving UNDI more memory will generally
+ // give better performance.
+ //
+ // If MemoryRequired is zero, the UNDI does not need and will not
+ // use system memory to receive and transmit packets.
+ //
+ PXE_UINT32 MemoryRequired;
+
+ //
+ // Maximum frame data length for Tx/Rx excluding the media header.
+ //
+ PXE_UINT32 FrameDataLen;
+
+ //
+ // Supported link speeds are in units of mega bits. Common ethernet
+ // values are 10, 100 and 1000. Unused LinkSpeeds[] entries are zero
+ // filled.
+ //
+ PXE_UINT32 LinkSpeeds[4];
+
+ //
+ // Number of non-volatile storage items.
+ //
+ PXE_UINT32 NvCount;
+
+ //
+ // Width of non-volatile storage item in bytes. 0, 1, 2 or 4
+ //
+ PXE_UINT16 NvWidth;
+
+ //
+ // Media header length. This is the typical media header length for
+ // this UNDI. This information is needed when allocating receive
+ // and transmit buffers.
+ //
+ PXE_UINT16 MediaHeaderLen;
+
+ //
+ // Number of bytes in the NIC hardware (MAC) address.
+ //
+ PXE_UINT16 HWaddrLen;
+
+ //
+ // Maximum number of multicast MAC addresses in the multicast
+ // MAC address filter list.
+ //
+ PXE_UINT16 MCastFilterCnt;
+
+ //
+ // Default number and size of transmit and receive buffers that will
+ // be allocated by the UNDI. If MemoryRequired is non-zero, this
+ // allocation will come out of the memory buffer given to the Initialize
+ // command. If MemoryRequired is zero, this allocation will come out of
+ // memory on the NIC.
+ //
+ PXE_UINT16 TxBufCnt;
+ PXE_UINT16 TxBufSize;
+ PXE_UINT16 RxBufCnt;
+ PXE_UINT16 RxBufSize;
+
+ //
+ // Hardware interface types defined in the Assigned Numbers RFC
+ // and used in DHCP and ARP packets.
+ // See the PXE_IFTYPE typedef and PXE_IFTYPE_xxx macros.
+ //
+ PXE_UINT8 IFtype;
+
+ //
+ // Supported duplex. See PXE_DUPLEX_xxxxx #defines below.
+ //
+ PXE_UINT8 Duplex;
+
+ //
+ // Supported loopback options. See PXE_LOOPBACK_xxxxx #defines below.
+ //
+ PXE_UINT8 LoopBack;
+} PXE_DB_GET_INIT_INFO;
+
+#define PXE_MAX_TXRX_UNIT_ETHER 1500
+
+#define PXE_HWADDR_LEN_ETHER 0x0006
+#define PXE_MAC_HEADER_LEN_ETHER 0x000E
+
+#define PXE_DUPLEX_ENABLE_FULL_SUPPORTED 1
+#define PXE_DUPLEX_FORCE_FULL_SUPPORTED 2
+
+#define PXE_LOOPBACK_INTERNAL_SUPPORTED 1
+#define PXE_LOOPBACK_EXTERNAL_SUPPORTED 2
+
+
+typedef struct s_pxe_pci_config_info {
+ //
+ // This is the flag field for the PXE_DB_GET_CONFIG_INFO union.
+ // For PCI bus devices, this field is set to PXE_BUSTYPE_PCI.
+ //
+ PXE_UINT32 BusType;
+
+ //
+ // This identifies the PCI network device that this UNDI interface
+ // is bound to.
+ //
+ PXE_UINT16 Bus;
+ PXE_UINT8 Device;
+ PXE_UINT8 Function;
+
+ //
+ // This is a copy of the PCI configuration space for this
+ // network device.
+ //
+ union {
+ PXE_UINT8 Byte[256];
+ PXE_UINT16 Word[128];
+ PXE_UINT32 Dword[64];
+ } Config;
+} PXE_PCI_CONFIG_INFO;
+
+
+typedef struct s_pxe_pcc_config_info {
+ //
+ // This is the flag field for the PXE_DB_GET_CONFIG_INFO union.
+ // For PCC bus devices, this field is set to PXE_BUSTYPE_PCC.
+ //
+ PXE_UINT32 BusType;
+
+ //
+ // This identifies the PCC network device that this UNDI interface
+ // is bound to.
+ //
+ PXE_UINT16 Bus;
+ PXE_UINT8 Device;
+ PXE_UINT8 Function;
+
+ //
+ // This is a copy of the PCC configuration space for this
+ // network device.
+ //
+ union {
+ PXE_UINT8 Byte[256];
+ PXE_UINT16 Word[128];
+ PXE_UINT32 Dword[64];
+ } Config;
+} PXE_PCC_CONFIG_INFO;
+
+
+typedef struct s_pxe_usb_config_info {
+ PXE_UINT32 BusType;
+ // %%TBD What should we return here...
+} PXE_USB_CONFIG_INFO;
+
+
+typedef struct s_pxe_1394_config_info {
+ PXE_UINT32 BusType;
+ // %%TBD What should we return here...
+} PXE_1394_CONFIG_INFO;
+
+
+typedef union u_pxe_db_get_config_info {
+ PXE_PCI_CONFIG_INFO pci;
+ PXE_PCC_CONFIG_INFO pcc;
+ PXE_USB_CONFIG_INFO usb;
+ PXE_1394_CONFIG_INFO _1394;
+} PXE_DB_GET_CONFIG_INFO;
+
+
+typedef struct s_pxe_cpb_initialize {
+ //
+ // Address of first (lowest) byte of the memory buffer. This buffer must
+ // be in contiguous physical memory and cannot be swapped out. The UNDI
+ // will be using this for transmit and receive buffering.
+ //
+ PXE_UINT64 MemoryAddr;
+
+ //
+ // MemoryLength must be greater than or equal to MemoryRequired
+ // returned by the Get Init Info command.
+ //
+ PXE_UINT32 MemoryLength;
+
+ //
+ // Desired link speed in Mbit/sec. Common ethernet values are 10, 100
+ // and 1000. Setting a value of zero will auto-detect and/or use the
+ // default link speed (operation depends on UNDI/NIC functionality).
+ //
+ PXE_UINT32 LinkSpeed;
+
+ //
+ // Suggested number and size of receive and transmit buffers to
+ // allocate. If MemoryAddr and MemoryLength are non-zero, this
+ // allocation comes out of the supplied memory buffer. If MemoryAddr
+ // and MemoryLength are zero, this allocation comes out of memory
+ // on the NIC.
+ //
+ // If these fields are set to zero, the UNDI will allocate buffer
+ // counts and sizes as it sees fit.
+ //
+ PXE_UINT16 TxBufCnt;
+ PXE_UINT16 TxBufSize;
+ PXE_UINT16 RxBufCnt;
+ PXE_UINT16 RxBufSize;
+
+ //
+ // The following configuration parameters are optional and must be zero
+ // to use the default values.
+ //
+ PXE_UINT8 Duplex;
+
+ PXE_UINT8 LoopBack;
+} PXE_CPB_INITIALIZE;
+
+
+#define PXE_DUPLEX_DEFAULT 0x00
+#define PXE_FORCE_FULL_DUPLEX 0x01
+#define PXE_ENABLE_FULL_DUPLEX 0x02
+
+#define LOOPBACK_NORMAL 0
+#define LOOPBACK_INTERNAL 1
+#define LOOPBACK_EXTERNAL 2
+
+
+typedef struct s_pxe_db_initialize {
+ //
+ // Actual amount of memory used from the supplied memory buffer. This
+ // may be less that the amount of memory suppllied and may be zero if
+ // the UNDI and network device do not use external memory buffers.
+ //
+ // Memory used by the UNDI and network device is allocated from the
+ // lowest memory buffer address.
+ //
+ PXE_UINT32 MemoryUsed;
+
+ //
+ // Actual number and size of receive and transmit buffers that were
+ // allocated.
+ //
+ PXE_UINT16 TxBufCnt;
+ PXE_UINT16 TxBufSize;
+ PXE_UINT16 RxBufCnt;
+ PXE_UINT16 RxBufSize;
+} PXE_DB_INITIALIZE;
+
+
+typedef struct s_pxe_cpb_receive_filters {
+ //
+ // List of multicast MAC addresses. This list, if present, will
+ // replace the existing multicast MAC address filter list.
+ //
+ PXE_MAC_ADDR MCastList[MAX_MCAST_ADDRESS_CNT];
+} PXE_CPB_RECEIVE_FILTERS;
+
+
+typedef struct s_pxe_db_receive_filters {
+ //
+ // Filtered multicast MAC address list.
+ //
+ PXE_MAC_ADDR MCastList[MAX_MCAST_ADDRESS_CNT];
+} PXE_DB_RECEIVE_FILTERS;
+
+
+typedef struct s_pxe_cpb_station_address {
+ //
+ // If supplied and supported, the current station MAC address
+ // will be changed.
+ //
+ PXE_MAC_ADDR StationAddr;
+} PXE_CPB_STATION_ADDRESS;
+
+
+typedef struct s_pxe_dpb_station_address {
+ //
+ // Current station MAC address.
+ //
+ PXE_MAC_ADDR StationAddr;
+
+ //
+ // Station broadcast MAC address.
+ //
+ PXE_MAC_ADDR BroadcastAddr;
+
+ //
+ // Permanent station MAC address.
+ //
+ PXE_MAC_ADDR PermanentAddr;
+} PXE_DB_STATION_ADDRESS;
+
+
+typedef struct s_pxe_db_statistics {
+ //
+ // Bit field identifying what statistic data is collected by the
+ // UNDI/NIC.
+ // If bit 0x00 is set, Data[0x00] is collected.
+ // If bit 0x01 is set, Data[0x01] is collected.
+ // If bit 0x20 is set, Data[0x20] is collected.
+ // If bit 0x21 is set, Data[0x21] is collected.
+ // Etc.
+ //
+ PXE_UINT64 Supported;
+
+ //
+ // Statistic data.
+ //
+ PXE_UINT64 Data[64];
+} PXE_DB_STATISTICS;
+
+//
+// Total number of frames received. Includes frames with errors and
+// dropped frames.
+//
+#define PXE_STATISTICS_RX_TOTAL_FRAMES 0x00
+
+//
+// Number of valid frames received and copied into receive buffers.
+//
+#define PXE_STATISTICS_RX_GOOD_FRAMES 0x01
+
+//
+// Number of frames below the minimum length for the media.
+// This would be <64 for ethernet.
+//
+#define PXE_STATISTICS_RX_UNDERSIZE_FRAMES 0x02
+
+//
+// Number of frames longer than the maxminum length for the
+// media. This would be >1500 for ethernet.
+//
+#define PXE_STATISTICS_RX_OVERSIZE_FRAMES 0x03
+
+//
+// Valid frames that were dropped because receive buffers were full.
+//
+#define PXE_STATISTICS_RX_DROPPED_FRAMES 0x04
+
+//
+// Number of valid unicast frames received and not dropped.
+//
+#define PXE_STATISTICS_RX_UNICAST_FRAMES 0x05
+
+//
+// Number of valid broadcast frames received and not dropped.
+//
+#define PXE_STATISTICS_RX_BROADCAST_FRAMES 0x06
+
+//
+// Number of valid mutlicast frames received and not dropped.
+//
+#define PXE_STATISTICS_RX_MULTICAST_FRAMES 0x07
+
+//
+// Number of frames w/ CRC or alignment errors.
+//
+#define PXE_STATISTICS_RX_CRC_ERROR_FRAMES 0x08
+
+//
+// Total number of bytes received. Includes frames with errors
+// and dropped frames.
+//
+#define PXE_STATISTICS_RX_TOTAL_BYTES 0x09
+
+//
+// Transmit statistics.
+//
+#define PXE_STATISTICS_TX_TOTAL_FRAMES 0x0A
+#define PXE_STATISTICS_TX_GOOD_FRAMES 0x0B
+#define PXE_STATISTICS_TX_UNDERSIZE_FRAMES 0x0C
+#define PXE_STATISTICS_TX_OVERSIZE_FRAMES 0x0D
+#define PXE_STATISTICS_TX_DROPPED_FRAMES 0x0E
+#define PXE_STATISTICS_TX_UNICAST_FRAMES 0x0F
+#define PXE_STATISTICS_TX_BROADCAST_FRAMES 0x10
+#define PXE_STATISTICS_TX_MULTICAST_FRAMES 0x11
+#define PXE_STATISTICS_TX_CRC_ERROR_FRAMES 0x12
+#define PXE_STATISTICS_TX_TOTAL_BYTES 0x13
+
+//
+// Number of collisions detection on this subnet.
+//
+#define PXE_STATISTICS_COLLISIONS 0x14
+
+//
+// Number of frames destined for unsupported protocol.
+//
+#define PXE_STATISTICS_UNSUPPORTED_PROTOCOL 0x15
+
+
+typedef struct s_pxe_cpb_mcast_ip_to_mac {
+ //
+ // Multicast IP address to be converted to multicast MAC address.
+ //
+ PXE_IP_ADDR IP;
+} PXE_CPB_MCAST_IP_TO_MAC;
+
+
+typedef struct s_pxe_db_mcast_ip_to_mac {
+ //
+ // Multicast MAC address.
+ //
+ PXE_MAC_ADDR MAC;
+} PXE_DB_MCAST_IP_TO_MAC;
+
+
+typedef struct s_pxe_cpb_nvdata_sparse {
+ //
+ // NvData item list. Only items in this list will be updated.
+ //
+ struct {
+ // Non-volatile storage address to be changed.
+ PXE_UINT32 Addr;
+
+ // Data item to write into above storage address.
+
+ union {
+ PXE_UINT8 Byte;
+ PXE_UINT16 Word;
+ PXE_UINT32 Dword;
+ } Data;
+ } Item[MAX_EEPROM_LEN];
+} PXE_CPB_NVDATA_SPARSE;
+
+
+//
+// When using bulk update, the size of the CPB structure must be
+// the same size as the non-volatile NIC storage.
+//
+typedef union u_pxe_cpb_nvdata_bulk {
+ //
+ // Array of byte-wide data items.
+ //
+ PXE_UINT8 Byte[MAX_EEPROM_LEN << 2];
+
+ //
+ // Array of word-wide data items.
+ //
+ PXE_UINT16 Word[MAX_EEPROM_LEN << 1];
+
+ //
+ // Array of dword-wide data items.
+ //
+ PXE_UINT32 Dword[MAX_EEPROM_LEN];
+} PXE_CPB_NVDATA_BULK;
+
+typedef struct s_pxe_db_nvdata {
+
+ // Arrays of data items from non-volatile storage.
+
+ union {
+ //
+ // Array of byte-wide data items.
+ //
+ PXE_UINT8 Byte[MAX_EEPROM_LEN << 2];
+
+ //
+ // Array of word-wide data items.
+ //
+ PXE_UINT16 Word[MAX_EEPROM_LEN << 1];
+
+ // Array of dword-wide data items.
+
+ PXE_UINT32 Dword[MAX_EEPROM_LEN];
+ } Data;
+} PXE_DB_NVDATA;
+
+
+typedef struct s_pxe_db_get_status {
+ //
+ // Length of next receive frame (header + data). If this is zero,
+ // there is no next receive frame available.
+ //
+ PXE_UINT32 RxFrameLen;
+
+ //
+ // Reserved, set to zero.
+ //
+ PXE_UINT32 reserved;
+
+ //
+ // Addresses of transmitted buffers that need to be recycled.
+ //
+ PXE_UINT64 TxBuffer[MAX_XMIT_BUFFERS];
+} PXE_DB_GET_STATUS;
+
+
+
+typedef struct s_pxe_cpb_fill_header {
+ //
+ // Source and destination MAC addresses. These will be copied into
+ // the media header without doing byte swapping.
+ //
+ PXE_MAC_ADDR SrcAddr;
+ PXE_MAC_ADDR DestAddr;
+
+ //
+ // Address of first byte of media header. The first byte of packet data
+ // follows the last byte of the media header.
+ //
+ PXE_UINT64 MediaHeader;
+
+ //
+ // Length of packet data in bytes (not including the media header).
+ //
+ PXE_UINT32 PacketLen;
+
+ //
+ // Protocol type. This will be copied into the media header without
+ // doing byte swapping. Protocol type numbers can be obtained from
+ // the Assigned Numbers RFC 1700.
+ //
+ PXE_UINT16 Protocol;
+
+ //
+ // Length of the media header in bytes.
+ //
+ PXE_UINT16 MediaHeaderLen;
+} PXE_CPB_FILL_HEADER;
+
+
+#define PXE_PROTOCOL_ETHERNET_IP 0x0800
+#define PXE_PROTOCOL_ETHERNET_ARP 0x0806
+#define MAX_XMIT_FRAGMENTS 16
+
+typedef struct s_pxe_cpb_fill_header_fragmented {
+ //
+ // Source and destination MAC addresses. These will be copied into
+ // the media header without doing byte swapping.
+ //
+ PXE_MAC_ADDR SrcAddr;
+ PXE_MAC_ADDR DestAddr;
+
+ //
+ // Length of packet data in bytes (not including the media header).
+ //
+ PXE_UINT32 PacketLen;
+
+ //
+ // Protocol type. This will be copied into the media header without
+ // doing byte swapping. Protocol type numbers can be obtained from
+ // the Assigned Numbers RFC 1700.
+ //
+ PXE_MEDIA_PROTOCOL Protocol;
+
+ //
+ // Length of the media header in bytes.
+ //
+ PXE_UINT16 MediaHeaderLen;
+
+ //
+ // Number of packet fragment descriptors.
+ //
+ PXE_UINT16 FragCnt;
+
+ //
+ // Reserved, must be set to zero.
+ //
+ PXE_UINT16 reserved;
+
+ //
+ // Array of packet fragment descriptors. The first byte of the media
+ // header is the first byte of the first fragment.
+ //
+ struct {
+ //
+ // Address of this packet fragment.
+ //
+ PXE_UINT64 FragAddr;
+
+ //
+ // Length of this packet fragment.
+ //
+ PXE_UINT32 FragLen;
+
+ //
+ // Reserved, must be set to zero.
+ //
+ PXE_UINT32 reserved;
+ } FragDesc[MAX_XMIT_FRAGMENTS];
+} PXE_CPB_FILL_HEADER_FRAGMENTED;
+
+
+
+typedef struct s_pxe_cpb_transmit {
+ //
+ // Address of first byte of frame buffer. This is also the first byte
+ // of the media header.
+ //
+ PXE_UINT64 FrameAddr;
+
+ //
+ // Length of the data portion of the frame buffer in bytes. Do not
+ // include the length of the media header.
+ //
+ PXE_UINT32 DataLen;
+
+ //
+ // Length of the media header in bytes.
+ //
+ PXE_UINT16 MediaheaderLen;
+
+ //
+ // Reserved, must be zero.
+ //
+ PXE_UINT16 reserved;
+} PXE_CPB_TRANSMIT;
+
+
+
+typedef struct s_pxe_cpb_transmit_fragments {
+ //
+ // Length of packet data in bytes (not including the media header).
+ //
+ PXE_UINT32 FrameLen;
+
+ //
+ // Length of the media header in bytes.
+ //
+ PXE_UINT16 MediaheaderLen;
+
+ //
+ // Number of packet fragment descriptors.
+ //
+ PXE_UINT16 FragCnt;
+
+ //
+ // Array of frame fragment descriptors. The first byte of the first
+ // fragment is also the first byte of the media header.
+ //
+ struct {
+ //
+ // Address of this frame fragment.
+ //
+ PXE_UINT64 FragAddr;
+
+ //
+ // Length of this frame fragment.
+ //
+ PXE_UINT32 FragLen;
+
+ //
+ // Reserved, must be set to zero.
+ //
+ PXE_UINT32 reserved;
+ } FragDesc[MAX_XMIT_FRAGMENTS];
+} PXE_CPB_TRANSMIT_FRAGMENTS;
+
+
+typedef struct s_pxe_cpb_receive {
+ //
+ // Address of first byte of receive buffer. This is also the first byte
+ // of the frame header.
+ //
+ PXE_UINT64 BufferAddr;
+
+ //
+ // Length of receive buffer. This must be large enough to hold the
+ // received frame (media header + data). If the length of smaller than
+ // the received frame, data will be lost.
+ //
+ PXE_UINT32 BufferLen;
+
+ //
+ // Reserved, must be set to zero.
+ //
+ PXE_UINT32 reserved;
+} PXE_CPB_RECEIVE;
+
+
+typedef struct s_pxe_db_receive {
+ //
+ // Source and destination MAC addresses from media header.
+ //
+ PXE_MAC_ADDR SrcAddr;
+ PXE_MAC_ADDR DestAddr;
+
+ //
+ // Length of received frame. May be larger than receive buffer size.
+ // The receive buffer will not be overwritten. This is how to tell
+ // if data was lost because the receive buffer was too small.
+ //
+ PXE_UINT32 FrameLen;
+
+ //
+ // Protocol type from media header.
+ //
+ PXE_MEDIA_PROTOCOL Protocol;
+
+ //
+ // Length of media header in received frame.
+ //
+ PXE_UINT16 MediaHeaderLen;
+
+ //
+ // Type of receive frame.
+ //
+ PXE_FRAME_TYPE Type;
+
+ //
+ // Reserved, must be zero.
+ //
+ PXE_UINT8 reserved[7];
+
+} PXE_DB_RECEIVE;
+
+#pragma pack()
+
+/* EOF - efi_pxe.h */
+#endif /* _EFI_PXE_H */
+
projects / platform / upstream / gnu-efi.git / commitdiff