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Diffstat (limited to 'EDK/Foundation/Include/EfiPxe.h')
| -rw-r--r-- | EDK/Foundation/Include/EfiPxe.h | 1816 |
1 files changed, 1816 insertions, 0 deletions
diff --git a/EDK/Foundation/Include/EfiPxe.h b/EDK/Foundation/Include/EfiPxe.h new file mode 100644 index 0000000..5b27145 --- /dev/null +++ b/EDK/Foundation/Include/EfiPxe.h @@ -0,0 +1,1816 @@ +/*++ + +Copyright (c) 2004 - 2006, 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. + +Module name: + + EfiPxe.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. +--*/ + +#ifndef _EFIPXE_H +#define _EFIPXE_H + +#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) \ + ( \ + (((UINT32) (d) & 0xFF) << 24) | (((UINT32) (c) & 0xFF) << 16) | (((UINT32) (b) & 0xFF) << 8) | \ + ((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) ((((UINT16) (n) & 0x00FF) << 8) | (((UINT16) (n) & 0xFF00) >> 8)) + +#define PXE_SWAP_UINT32(n) \ +((((UINT32)(n) & 0x000000FF) << 24) | \ +(((UINT32)(n) & 0x0000FF00) << 8) | \ +(((UINT32)(n) & 0x00FF0000) >> 8) | \ +(((UINT32)(n) & 0xFF000000) >> 24)) + +#if PXE_UINT64_SUPPORT != 0 +#define PXE_SWAP_UINT64(n) \ +((((UINT64)(n) & 0x00000000000000FF) << 56) | \ +(((UINT64)(n) & 0x000000000000FF00) << 40) | \ +(((UINT64)(n) & 0x0000000000FF0000) << 24) | \ +(((UINT64)(n) & 0x00000000FF000000) << 8) | \ +(((UINT64)(n) & 0x000000FF00000000) >> 8) | \ +(((UINT64)(n) & 0x0000FF0000000000) >> 24) | \ +(((UINT64)(n) & 0x00FF000000000000) >> 40) | \ +(((UINT64)(n) & 0xFF00000000000000) >> 56)) +#endif // PXE_UINT64_SUPPORT +#if PXE_NO_UINT64_SUPPORT != 0 +#define PXE_SWAP_UINT64(n) { \ + UINT32 tmp; \ + tmp = (PXE_UINT64) (n)[1]; \ + (UINT64) (n)[1] = PXE_SWAP_UINT32 ((UINT64) (n)[0]); \ + (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 + +#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 +#define PXE_FALSE 0 // zero +#define PXE_TRUE (!PXE_FALSE) + +typedef 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 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 +// +typedef 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 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 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 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 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 UINT32 PXE_IPV4; + +typedef UINT32 PXE_IPV6[4]; +#define PXE_MAC_LENGTH 32 + +typedef UINT8 PXE_MAC_ADDR[PXE_MAC_LENGTH]; + +typedef 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 { + UINT32 Signature; // PXE_ROMID_SIGNATURE + UINT8 Len; // sizeof(PXE_HW_UNDI) + UINT8 Fudge; // makes 8-bit cksum equal zero + UINT8 Rev; // PXE_ROMID_REV + UINT8 IFcnt; // physical connector count + UINT8 MajorVer; // PXE_ROMID_MAJORVER + UINT8 MinorVer; // PXE_ROMID_MINORVER + UINT16 reserved; // zero, not used + 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 { + UINT32 Signature; // PXE_ROMID_SIGNATURE + UINT8 Len; // sizeof(PXE_SW_UNDI) + UINT8 Fudge; // makes 8-bit cksum zero + UINT8 Rev; // PXE_ROMID_REV + UINT8 IFcnt; // physical connector count + UINT8 MajorVer; // PXE_ROMID_MAJORVER + UINT8 MinorVer; // PXE_ROMID_MINORVER + UINT16 reserved1; // zero, not used + UINT32 Implementation; // Implementation flags + UINT64 EntryPoint; // API entry point + UINT8 reserved2[3]; // zero, not used + UINT8 BusCnt; // number of bustypes supported + 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 +#define PXE_ROMID_MINORVER_31 0x10 + +// +// 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; + UINT16 CPBsize; + UINT16 DBsize; + UINT64 CPBaddr; + UINT64 DBaddr; + PXE_STATCODE StatCode; + PXE_STATFLAGS StatFlags; + 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. + // + UINT32 BusType; + + // + // Bus, device & function numbers that locate this device. + // + UINT16 Bus; + UINT8 Device; + UINT8 Function; + } + PCI, PCC; + + // + // %%TBD - More information is needed about enumerating + // USB and 1394 devices. + // + struct { + UINT32 BusType; + 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(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; + +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. + // + UINT32 MemoryRequired; + + // + // Maximum frame data length for Tx/Rx excluding the media header. + // + 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. + // + UINT32 LinkSpeeds[4]; + + // + // Number of non-volatile storage items. + // + UINT32 NvCount; + + // + // Width of non-volatile storage item in bytes. 0, 1, 2 or 4 + // + 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. + // + UINT16 MediaHeaderLen; + + // + // Number of bytes in the NIC hardware (MAC) address. + // + UINT16 HWaddrLen; + + // + // Maximum number of multicast MAC addresses in the multicast + // MAC address filter list. + // + 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. + // + UINT16 TxBufCnt; + UINT16 TxBufSize; + UINT16 RxBufCnt; + 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. + // + UINT8 IFtype; + + // + // Supported duplex. See PXE_DUPLEX_xxxxx #defines below. + // + UINT8 Duplex; + + // + // Supported loopback options. See PXE_LOOPBACK_xxxxx #defines below. + // + 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. + // + 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. + // + UINT32 BusType; + + // + // This identifies the PCC network device that this UNDI interface + // is bound to. + // + UINT16 Bus; + UINT8 Device; + UINT8 Function; + + // + // This is a copy of the PCC configuration space for this + // network device. + // + union { + UINT8 Byte[256]; + UINT16 Word[128]; + UINT32 Dword[64]; + } Config; +} PXE_PCC_CONFIG_INFO; + +typedef struct s_pxe_usb_config_info { + UINT32 BusType; + // + // %%TBD What should we return here... + // +} PXE_USB_CONFIG_INFO; + +typedef struct s_pxe_1394_config_info { + 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. + // + UINT64 MemoryAddr; + + // + // MemoryLength must be greater than or equal to MemoryRequired + // returned by the Get Init Info command. + // + 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). + // + 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. + // + UINT16 TxBufCnt; + UINT16 TxBufSize; + UINT16 RxBufCnt; + UINT16 RxBufSize; + + // + // The following configuration parameters are optional and must be zero + // to use the default values. + // + UINT8 Duplex; + + UINT8 LoopBack; +} 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. + // + UINT32 MemoryUsed; + + // + // Actual number and size of receive and transmit buffers that were + // allocated. + // + UINT16 TxBufCnt; + UINT16 TxBufSize; + UINT16 RxBufCnt; + 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. + // + UINT64 Supported; + + // + // Statistic data. + // + 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. + // + UINT32 Addr; + + // + // Data item to write into above storage address. + // + union { + UINT8 Byte; + UINT16 Word; + 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. + // + UINT8 Byte[MAX_EEPROM_LEN << 2]; + + // + // Array of word-wide data items. + // + UINT16 Word[MAX_EEPROM_LEN << 1]; + + // + // Array of dword-wide data items. + // + 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. + // + UINT8 Byte[MAX_EEPROM_LEN << 2]; + + // + // Array of word-wide data items. + // + UINT16 Word[MAX_EEPROM_LEN << 1]; + + // + // Array of dword-wide data items. + // + 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. + // + UINT32 RxFrameLen; + + // + // Reserved, set to zero. + // + UINT32 reserved; + + // + // Addresses of transmitted buffers that need to be recycled. + // + 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. + // + UINT64 MediaHeader; + + // + // Length of packet data in bytes (not including the media header). + // + 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. + // + UINT16 Protocol; + + // + // Length of the media header in bytes. + // + 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). + // + 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. + // + UINT16 MediaHeaderLen; + + // + // Number of packet fragment descriptors. + // + UINT16 FragCnt; + + // + // Reserved, must be set to zero. + // + 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. + // + UINT64 FragAddr; + + // + // Length of this packet fragment. + // + UINT32 FragLen; + + // + // Reserved, must be set to zero. + // + 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. + // + UINT64 FrameAddr; + + // + // Length of the data portion of the frame buffer in bytes. Do not + // include the length of the media header. + // + UINT32 DataLen; + + // + // Length of the media header in bytes. + // + UINT16 MediaheaderLen; + + // + // Reserved, must be zero. + // + UINT16 reserved; +} PXE_CPB_TRANSMIT; + +typedef struct s_pxe_cpb_transmit_fragments { + // + // Length of packet data in bytes (not including the media header). + // + UINT32 FrameLen; + + // + // Length of the media header in bytes. + // + UINT16 MediaheaderLen; + + // + // Number of packet fragment descriptors. + // + 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. + // + UINT64 FragAddr; + + // + // Length of this frame fragment. + // + UINT32 FragLen; + + // + // Reserved, must be set to zero. + // + 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. + // + 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. + // + UINT32 BufferLen; + + // + // Reserved, must be set to zero. + // + 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. + // + UINT32 FrameLen; + + // + // Protocol type from media header. + // + PXE_MEDIA_PROTOCOL Protocol; + + // + // Length of media header in received frame. + // + UINT16 MediaHeaderLen; + + // + // Type of receive frame. + // + PXE_FRAME_TYPE Type; + + // + // Reserved, must be zero. + // + UINT8 reserved[7]; + +} PXE_DB_RECEIVE; + +#pragma pack() + +#endif |