pxe.h

this is aes algorithm

	SEGSEL_t	ROMAddress;		/* Real mode ROM segment address */
	uint16_t	RxBufCt;		/* Receive queue length */
	uint16_t	TxBufCt;		/* Transmit queue length */
} PACKED t_PXENV_UNDI_GET_INFORMATION;

#define	PXENV_UNDI_GET_STATISTICS	0x000D
typedef struct {
	PXENV_STATUS_t	Status;
	uint32_t	XmitGoodFrames;		/* Number of successful transmissions */
	uint32_t	RcvGoodFrames;		/* Number of good frames received */
	uint32_t	RcvCRCErrors;		/* Number of frames with CRC errors */
	uint32_t	RcvResourceErrors;	/* Number of frames dropped */
} PACKED t_PXENV_UNDI_GET_STATISTICS;

#define	PXENV_UNDI_CLEAR_STATISTICS	0x000E
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_UNDI_CLEAR_STATISTICS;

#define	PXENV_UNDI_INITIATE_DIAGS	0x000F
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_UNDI_INITIATE_DIAGS;

#define	PXENV_UNDI_FORCE_INTERRUPT	0x0010
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_UNDI_FORCE_INTERRUPT;

#define	PXENV_UNDI_GET_MCAST_ADDRESS	0x0011
typedef struct {
	PXENV_STATUS_t	Status;
	IP4_t		InetAddr;		/* IP mulicast address */
	MAC_ADDR	MediaAddr;		/* MAC multicast address */
} PACKED t_PXENV_UNDI_GET_MCAST_ADDR;

#define	PXENV_UNDI_GET_NIC_TYPE		0x0012
typedef struct {
	PXENV_STATUS_t	Status;
	uint8_t		NicType;		/* Type of NIC */
#	define PCI_NIC		2
#	define PnP_NIC		3
#	define CardBus_NIC	4

	union {
		struct {
			uint16_t	Vendor_ID;
			uint16_t	Dev_ID;
			uint8_t		Base_Class;
			uint8_t		Sub_Class;
			uint8_t		Prog_Intf;
			uint8_t		Rev;
			uint16_t	BusDevFunc;
			uint16_t	SubVendor_ID;
			uint16_t	SubDevice_ID;
		} pci, cardbus;
		struct {
			uint32_t	EISA_Dev_ID;
			uint8_t		Base_Class;
			uint8_t		Sub_Class;
			uint8_t		Prog_Intf;
			uint16_t	CardSelNum;
		} pnp;
	} info;
} PACKED t_PXENV_UNDI_GET_NIC_TYPE;

#define	PXENV_UNDI_GET_IFACE_INFO	0x0013
typedef struct {
	PXENV_STATUS_t	Status;
	uint8_t		IfaceType[16];		/* Name of MAC type in ASCII. */
	uint32_t	LinkSpeed;		/* Defined in NDIS 2.0 spec */
	uint32_t	ServiceFlags;		/* Defined in NDIS 2.0 spec */
	uint32_t	Reserved[4];		/* must be 0 */
} PACKED t_PXENV_UNDI_GET_NDIS_INFO;

#define	PXENV_UNDI_ISR			0x0014
typedef struct {
	PXENV_STATUS_t	Status;
	uint16_t	FuncFlag;		/* PXENV_UNDI_ISR_OUT_xxx */
	uint16_t	BufferLength;		/* Length of Frame */
	uint16_t	FrameLength;		/* Total length of reciever frame */
	uint16_t	FrameHeaderLength;	/* Length of the media header in Frame */
	SEGOFF16_t	Frame;			/* receive buffer */
	uint8_t		ProtType;		/* Protocol type */
	uint8_t		PktType;		/* Packet Type */
#	define PXENV_UNDI_ISR_IN_START		1
#	define PXENV_UNDI_ISR_IN_PROCESS	2
#	define PXENV_UNDI_ISR_IN_GET_NEXT	3

	/* one of these will be returned for PXENV_UNDI_ISR_IN_START */
#	define PXENV_UNDI_ISR_OUT_OURS		0
#	define PXENV_UNDI_ISR_OUT_NOT_OUTS	1

	/*
	 * one of these will bre returnd for PXEND_UNDI_ISR_IN_PROCESS
	 * and PXENV_UNDI_ISR_IN_GET_NEXT
	 */
#	define PXENV_UNDI_ISR_OUT_DONE		0
#	define PXENV_UNDI_ISR_OUT_TRANSMIT	2
#	define PXENV_UNDI_ISR_OUT_RECIEVE	3
#	define PXENV_UNDI_ISR_OUT_BUSY		4
} PACKED t_PXENV_UNDI_ISR;

#define	PXENV_STOP_UNDI			0x0015
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_STOP_UNDI;

#define	PXENV_TFTP_OPEN			0x0020
typedef struct {
	PXENV_STATUS_t	Status;
	IP4_t		ServerIPAddress;
	IP4_t		GatewayIPAddress;
	uint8_t		FileName[128];
	UDP_PORT_t	TFTPPort;
	uint16_t	PacketSize;
} PACKED t_PXENV_TFTP_OPEN;

#define	PXENV_TFTP_CLOSE		0x0021
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_TFTP_CLOSE;

#define	PXENV_TFTP_READ			0x0022
typedef struct {
	PXENV_STATUS_t	Status;
	uint16_t	PacketNumber;
	uint16_t	BufferSize;
	SEGOFF16_t	Buffer;
} PACKED t_PXENV_TFTP_READ;

#define	PXENV_TFTP_READ_FILE		0x0023
typedef struct {
	PXENV_STATUS_t	Status;
	uint8_t		FileName[128];
	uint32_t	BufferSize;
	ADDR32_t	Buffer;
	IP4_t		ServerIPAddress;
	IP4_t		GatewayIPAdress;
	IP4_t		McastIPAdress;
	UDP_PORT_t	TFTPClntPort;
	UDP_PORT_t	TFTPSrvPort;
	uint16_t	TFTPOpenTimeOut;
	uint16_t	TFTPReopenDelay;
} PACKED t_PXENV_TFTP_READ_FILE;

#define	PXENV_TFTP_GET_FSIZE		0x0025
typedef struct {
	PXENV_STATUS_t	Status;
	IP4_t		ServerIPAddress;
	IP4_t		GatewayIPAdress;
	uint8_t		FileName[128];
	uint32_t	FileSize;
} PACKED t_PXENV_TFTP_GET_FSIZE;

#define	PXENV_UDP_OPEN			0x0030
typedef struct {
	PXENV_STATUS_t	status;
	IP4_t		src_ip;		/* IP address of this station */
} PACKED t_PXENV_UDP_OPEN;

#define	PXENV_UDP_CLOSE			0x0031
typedef struct {
	PXENV_STATUS_t	status;
} PACKED t_PXENV_UDP_CLOSE;

#define	PXENV_UDP_READ			0x0032
typedef struct {
	PXENV_STATUS_t	status;
	IP4_t		src_ip;		/* IP of sender */
	IP4_t		dest_ip;	/* Only accept packets sent to this IP */
	UDP_PORT_t	s_port;		/* UDP source port of sender */
	UDP_PORT_t	d_port;		/* Only accept packets sent to this port */
	uint16_t	buffer_size;	/* Size of the packet buffer */
	SEGOFF16_t	buffer;		/* SEG:OFF to the packet buffer */
} PACKED t_PXENV_UDP_READ;

#define	PXENV_UDP_WRITE			0x0033
typedef struct {
	PXENV_STATUS_t	status;
	IP4_t		ip;		/* dest ip addr */
	IP4_t		gw;		/* ip gateway */
	UDP_PORT_t	src_port;	/* source udp port */
	UDP_PORT_t	dst_port;	/* destination udp port */
	uint16_t	buffer_size;	/* Size of the packet buffer */
	SEGOFF16_t	buffer;		/* SEG:OFF to the packet buffer */
} PACKED t_PXENV_UDP_WRITE;

#define	PXENV_UNLOAD_STACK		0x0070
typedef struct {
	PXENV_STATUS_t	Status;
	uint8_t		reserved[10];
} PACKED t_PXENV_UNLOAD_STACK;


#define	PXENV_GET_CACHED_INFO		0x0071
typedef struct {
	PXENV_STATUS_t	Status;
	uint16_t	PacketType;	/* type (defined right here) */
#	define PXENV_PACKET_TYPE_DHCP_DISCOVER  1
#	define PXENV_PACKET_TYPE_DHCP_ACK       2
#	define PXENV_PACKET_TYPE_BINL_REPLY     3
	uint16_t	BufferSize;	/* max to copy, leave at 0 for pointer */
	SEGOFF16_t	Buffer;		/* copy to, leave at 0 for pointer */
	uint16_t	BufferLimit;	/* max size of buffer in BC dataseg ? */
} PACKED t_PXENV_GET_CACHED_INFO;


/* structure filled in by PXENV_GET_CACHED_INFO 
 * (how we determine which IP we downloaded the initial bootstrap from)
 * words can't describe...
 */
typedef struct {
	uint8_t		opcode;
#	define BOOTP_REQ	1
#	define BOOTP_REP	2
	uint8_t		Hardware;	/* hardware type */
	uint8_t		Hardlen;	/* hardware addr len */
	uint8_t		Gatehops;	/* zero it */
	uint32_t	ident;		/* random number chosen by client */
	uint16_t	seconds;	/* seconds since did initial bootstrap */
	uint16_t	Flags;		/* seconds since did initial bootstrap */
#	define BOOTP_BCAST	0x8000		/* ? */
	IP4_t		cip;		/* Client IP */
	IP4_t		yip;		/* Your IP */
	IP4_t		sip;		/* IP to use for next boot stage */
	IP4_t		gip;		/* Relay IP ? */
	MAC_ADDR	CAddr;		/* Client hardware address */
	uint8_t		Sname[64];	/* Server's hostname (Optional) */
	uint8_t		bootfile[128];	/* boot filename */
	union {
#		if 1
#		define BOOTP_DHCPVEND  1024    /* DHCP extended vendor field size */
#		else
#		define BOOTP_DHCPVEND  312	/* DHCP standard vendor field size */
#		endif
		uint8_t		d[BOOTP_DHCPVEND];	/* raw array of vendor/dhcp options */
		struct {
			uint8_t		magic[4];	/* DHCP magic cookie */
#			ifndef		VM_RFC1048
#			define		VM_RFC1048	0x63825363L	/* ? */
#			endif
			uint32_t	flags;		/* bootp flags/opcodes */
			uint8_t		pad[56];	/* I don't think intel knows what a
							   union does... */
		} v;
	} vendor;
} PACKED BOOTPLAYER;

#define	PXENV_RESTART_TFTP		0x0073
#define	t_PXENV_RESTART_TFTP		t_PXENV_TFTP_READ_FILE

#define	PXENV_START_BASE		0x0075
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_START_BASE;

#define	PXENV_STOP_BASE			0x0076
typedef struct {
	PXENV_STATUS_t	Status;
} PACKED t_PXENV_STOP_BASE;