Files Reference

cb_dev_info_struct Structure for X.25

Purpose

Used by the x25_device_query subroutine to pass device information.

Syntax

#define X25FLG_NUA                         0x00000001
#define X25FLG_NO_OF_VCS                   0x00000002
#define X25FLG_MAX_RX_PACKET_SIZE          0x00000004
#define X25FLG_MAX_TX_PACKET_SIZE          0x00000008
#define X25FLG_DEFAULT_SVC_RX_PACKET_SIZE  0x00000010
#define X25FLG_DEFAULT_SVC_TX_PACKET_SIZE  0x00000020


struct cb_dev_info_struct
{
  unsigned long flags;
  char *nua;
  unsigned int no_of_vcs;
  unsigned int max_rx_packet_size;
  unsigned int max_tx_packet_size;
  unsigned int default_svc_rx_packet_size;
  unsigned int default_svc_tx_packet_size;
} ;

Flags

X25_FLG_NUA	Indicates that the `nua` field is used.
X25_FLG_NO_OF_VCS	Indicates that the `no_of_vcs` field is used.
X25_FLG_MAX_RX_PACKET_SIZE	Indicates that the `max_rx_packet_size` field is used.
X25_FLG_MAX_TX_PACKET_SIZE	Indicates that the `max_tx_packet_size` field is used.
X25_FLG_DEFAULT_SVC_RX_PACKET_SIZE	Indicates that the `default_svc_rx_packet_size` field is used.
X25_FLG_DEFAULT_SVC_TX_PACKET_SIZE	Indicates that the `default_svc_tx_packet_size` field is used.

Fields

`flags`	Notification to the API that the associated field has been used.
`nua`	Pointer to the network user address (NUA) recorded for the device in ASCIIZ format.
`no_of_vcs`	Number of permanent virtual circuits (PVCs) configured on this device.
`max_rx_packet_size`	Maximum receive packet size in bytes.
`max_tx_packet_size`	Maximum transmit packet size in bytes.
`default_svc_rx_packet_size`	Default receive packet size in bytes.
`default_svc_tx_packet_size`	Default transmit packet size in bytes.

Related Information

The x25sdefs.h file.

Logical Channels and Virtual Circuits.