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Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiPxe.h')
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diff --git a/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiPxe.h b/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiPxe.h new file mode 100644 index 0000000..bb8ab41 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiPxe.h @@ -0,0 +1,1756 @@ +/** @file + This header file contains all of the PXE type definitions, + structure prototypes, global variables and constants that + are needed for porting PXE to EFI. + + Copyright (c) 2006 - 2008, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + @par Revision Reference: + 32/64-bit PXE specification: + alpha-4, 99-Dec-17 + +**/ + +#ifndef __EFI_PXE_H__ +#define __EFI_PXE_H__ + +#pragma pack(1) + +#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)) + +#define PXE_SWAP_UINT64(n) \ + ((((PXE_UINT64)(n) & 0x00000000000000FFULL) << 56) | \ + (((PXE_UINT64)(n) & 0x000000000000FF00ULL) << 40) | \ + (((PXE_UINT64)(n) & 0x0000000000FF0000ULL) << 24) | \ + (((PXE_UINT64)(n) & 0x00000000FF000000ULL) << 8) | \ + (((PXE_UINT64)(n) & 0x000000FF00000000ULL) >> 8) | \ + (((PXE_UINT64)(n) & 0x0000FF0000000000ULL) >> 24) | \ + (((PXE_UINT64)(n) & 0x00FF000000000000ULL) >> 40) | \ + (((PXE_UINT64)(n) & 0xFF00000000000000ULL) >> 56)) + + +#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 UINT8 PXE_UINT8; +typedef UINT16 PXE_UINT16; +typedef UINT32 PXE_UINT32; +typedef UINTN PXE_UINTN; + +/// +/// typedef unsigned long PXE_UINT64; +/// +typedef UINT64 PXE_UINT64; + +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 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_WRITE 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 +/// + +/// +/// PXE STATFLAGS +/// +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 + +/// +/// 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_FILTERED_MULTICAST 0x03 +#define PXE_FRAME_TYPE_PROMISCUOUS 0x04 +#define PXE_FRAME_TYPE_PROMISCUOUS_MULTICAST 0x05 + +#define PXE_FRAME_TYPE_MULTICAST PXE_FRAME_TYPE_FILTERED_MULTICAST + +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 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] +/// +/// * Other names and brands may be claimed as the property of others. +/// +#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 + ///< UINT32 Status; ///< status port + ///< UINT32 Command; ///< command port + ///< 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 0x01 + +/// +/// 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; + PXE_UINT64 CPBaddr; + PXE_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; + +} 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_30 { + /// + /// PXE_VOID Delay(UINTN 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. + /// + UINT64 Delay; + + /// + /// PXE_VOID Block(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. + /// + UINT64 Block; + + /// + /// PXE_VOID Virt2Phys(UINT64 virtual, 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. + /// + UINT64 Virt2Phys; + /// + /// PXE_VOID Mem_IO(UINT8 read_write, UINT8 len, UINT64 port, + /// 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. + /// + UINT64 Mem_IO; +} PXE_CPB_START_30; + +typedef struct s_pxe_cpb_start_31 { + /// + /// PXE_VOID Delay(UINT64 UnqId, UINTN 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. + /// + UINT64 Delay; + + /// + /// PXE_VOID Block(UINT64 unq_id, 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. + /// + UINT64 Block; + + /// + /// PXE_VOID Virt2Phys(UINT64 UnqId, UINT64 virtual, 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. + /// + UINT64 Virt2Phys; + /// + /// PXE_VOID Mem_IO(UINT64 UnqId, UINT8 read_write, UINT8 len, UINT64 port, + /// 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. + /// + UINT64 Mem_IO; + /// + /// PXE_VOID Map_Mem(UINT64 unq_id, UINT64 virtual_addr, UINT32 size, + /// UINT32 Direction, UINT64 mapped_addr); + /// + /// UNDI will pass the virtual address of a buffer, direction of the data + /// flow from/to the mapped buffer (the constants are defined below) + /// and a place holder (pointer) for the mapped address. + /// This call will Map the given address to a physical DMA address and write + /// the result to the mapped_addr pointer. If there is no need to + /// map the given address to a lower address (i.e. the given address is + /// associated with a physical address that is already compatible to be + /// used with the DMA, it converts the given virtual address to it's + /// physical address and write that in the mapped address pointer. + /// + /// This field can be set to zero if there is no mapping service available + /// + UINT64 Map_Mem; + + /// + /// PXE_VOID UnMap_Mem(UINT64 unq_id, UINT64 virtual_addr, UINT32 size, + /// UINT32 Direction, UINT64 mapped_addr); + /// + /// UNDI will pass the virtual and mapped addresses of a buffer + /// This call will un map the given address + /// + /// This field can be set to zero if there is no unmapping service available + /// + UINT64 UnMap_Mem; + + /// + /// PXE_VOID Sync_Mem(UINT64 unq_id, UINT64 virtual, + /// UINT32 size, UINT32 Direction, UINT64 mapped_addr); + /// + /// UNDI will pass the virtual and mapped addresses of a buffer + /// This call will synchronize the contents of both the virtual and mapped + /// buffers for the given Direction. + /// + /// This field can be set to zero if there is no service available + /// + UINT64 Sync_Mem; + + /// + /// protocol driver can provide anything for this Unique_ID, UNDI remembers + /// that as just a 64bit value assocaited to the interface specified by + /// the ifnum and gives it back as a parameter to all the call-back routines + /// when calling for that interface! + /// + UINT64 Unique_ID; +} PXE_CPB_START_31; + +#define TO_AND_FROM_DEVICE 0 +#define FROM_DEVICE 1 +#define TO_DEVICE 2 + +#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 SupportedDuplexModes; + + /// + /// Supported loopback options. See PXE_LOOPBACK_xxxxx #defines below. + /// + PXE_UINT8 SupportedLoopBackModes; +} 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. + /// + UINT32 BusType; + + /// + /// This identifies the PCI network device that this UNDI interface + /// is bound to. + /// + UINT16 Bus; + UINT8 Device; + UINT8 Function; + + /// + /// This is a copy of the PCI configuration space for this + /// network device. + /// + union { + UINT8 Byte[256]; + UINT16 Word[128]; + 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 union u_pxe_db_get_config_info { + PXE_PCI_CONFIG_INFO pci; + PXE_PCC_CONFIG_INFO pcc; +} 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 DuplexMode; + + PXE_UINT8 LoopBackMode; +} PXE_CPB_INITIALIZE; + +#define PXE_DUPLEX_DEFAULT 0x00 +#define PXE_FORCE_FULL_DUPLEX 0x01 +#define PXE_ENABLE_FULL_DUPLEX 0x02 +#define PXE_FORCE_HALF_DUPLEX 0x04 +#define PXE_DISABLE_FULL_DUPLEX 0x08 + +#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() + +#endif |