91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
#ifndef _UDP_API_H
|
|
#define _UDP_API_H
|
|
|
|
|
|
#include "pxe_cmn.h"
|
|
|
|
|
|
/* = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
|
|
/* #defines and constants
|
|
*/
|
|
|
|
/* One of the following command op-codes needs to be loaded into the
|
|
* op-code register (BX) before making a call a UDP API service.
|
|
*/
|
|
#define PXENV_UDP_OPEN 0x30
|
|
#define PXENV_UDP_CLOSE 0x31
|
|
#define PXENV_UDP_READ 0x32
|
|
#define PXENV_UDP_WRITE 0x33
|
|
|
|
|
|
typedef struct s_PXENV_UDP_OPEN {
|
|
UINT16 Status; /* Out: See PXENV_STATUS_xxx */
|
|
/* constants. */
|
|
UINT8 SrcIp[4]; /* Out: 32-bit IP address of this station. */
|
|
} t_PXENV_UDP_OPEN;
|
|
|
|
|
|
typedef struct s_PXENV_UDP_CLOSE {
|
|
UINT16 Status; /* Out: See PXENV_STATUS_xxx */
|
|
/* constants. */
|
|
} t_PXENV_UDP_CLOSE;
|
|
|
|
|
|
typedef struct s_PXENV_UDP_READ {
|
|
UINT16 Status; /* Out: See PXENV_STATUS_xxx #defines. */
|
|
UINT8 SrcIp[4]; /* Out: See description below */
|
|
UINT8 DestIp[4]; /* In/Out: See description below */
|
|
UINT16 SrcPort; /* Out: See description below */
|
|
UINT16 DestPort; /* In/Out: See description below */
|
|
UINT16 BufferSize; /* In: Size of receive buffer. */
|
|
/* Out: Length of packet written into */
|
|
/* receive buffer. */
|
|
UINT16 BufferOffset; /* In: Segment/Selector and offset */
|
|
UINT16 BufferSegment; /* of receive buffer. */
|
|
} t_PXENV_UDP_READ;
|
|
|
|
/*
|
|
src_ip: (Output)
|
|
======
|
|
UDP_READ fills this value on return with the 32-bit IP address
|
|
of the sender.
|
|
|
|
dest_ip: (Input/Output)
|
|
=======
|
|
If this field is non-zero then UDP_READ will filter the incoming
|
|
packets and accept those that are sent to this IP address.
|
|
|
|
If this field is zero then UDP_READ will accept any incoming
|
|
packet and return it's destination IP address in this field.
|
|
|
|
s_port: (Output)
|
|
=======
|
|
UDP_READ fills this value on return with the UDP port number
|
|
of the sender.
|
|
|
|
d_port: (Input/Output)
|
|
=======
|
|
If this field is non-zero then UDP_READ will filter the incoming
|
|
packets and accept those that are sent to this UDP port.
|
|
|
|
If this field is zero then UDP_READ will accept any incoming
|
|
packet and return it's destination UDP port in this field.
|
|
|
|
*/
|
|
|
|
|
|
typedef struct s_PXENV_UDP_WRITE {
|
|
UINT16 Status; /* Out: See PXENV_STATUS_xxx */
|
|
/* constants. */
|
|
UINT8 DestIp[4]; /* In: 32-bit server IP address. */
|
|
UINT8 GatewayIp[4]; /* In: 32-bit gateway IP address. */
|
|
UINT16 SrcPort; /* In: Source UDP port. */
|
|
UINT16 DestPort; /* In: Destination UDP port. */
|
|
UINT16 BufferSize; /* In: Length of packet in buffer. */
|
|
UINT16 BufferOffset; /* In: Segment/Selector and */
|
|
UINT16 BufferSegment; /* offset of transmit buffer. */
|
|
} t_PXENV_UDP_WRITE;
|
|
|
|
|
|
#endif /* _UDP_API_H */
|