Context state for a single stream. More...

#include <sw/device/lib/testing/usb_testutils_streams.h>

Data Fields
uint8_t	id
	Stream IDentifier.

usb_testutils_transfer_type_t	xfr_type
	USB transfer type.

uint8_t	tx_ep
	USB device endpoint being used for data transmission.

usbdev_stream_tx_t	tx
	Current transmission state.

usbdev_stream_tx_t	tx_cmt
	Committed transmission state.

uint8_t	rx_ep
	USB device endpoint being used for data reception.

uint16_t	rx_seq
	Reception Sequence Number (for Isochronous streams)

uint8_t	rx_lfsr
	Reception-side LFSR state (mirrors USBDPI generation of PRND data)

uint8_t	rxtx_lfsr
	Reception-side shadow of transmission LFSR.

uint32_t	rx_bytes
	Total number of bytes received from the USB device.

uint8_t	rx_buf_size
	Reception-side LFSR for determination of expected buffer size (for Isochronous streams where packets may be dropped)

uint32_t	transfer_bytes
	Size of transfer in bytes.

usbdev_stream_flags_t	flags
	Stream flags.

bool	sending
	Are we sending data?

bool	generating
	Are we generating a valid byte sequence?

bool	verbose
	Specify whether to perform verbose logging, for visibility (Note that this substantially alters the timing of interactions with the DPI model and will increase the simulation time)

Detailed Description

Context state for a single stream.

Note: this state information is stored/loaded as-is over suspend/resume operations.

Definition at line 150 of file usb_testutils_streams.h.

Field Documentation

◆ flags

usbdev_stream_flags_t usbdev_stream::flags

Stream flags.

Definition at line 203 of file usb_testutils_streams.h.

◆ generating

bool usbdev_stream::generating

Are we generating a valid byte sequence?

Definition at line 211 of file usb_testutils_streams.h.

◆ id

uint8_t usbdev_stream::id

Stream IDentifier.

Definition at line 154 of file usb_testutils_streams.h.

◆ rx_buf_size

uint8_t usbdev_stream::rx_buf_size

Reception-side LFSR for determination of expected buffer size (for Isochronous streams where packets may be dropped)

Definition at line 195 of file usb_testutils_streams.h.

◆ rx_bytes

uint32_t usbdev_stream::rx_bytes

Total number of bytes received from the USB device.

Definition at line 190 of file usb_testutils_streams.h.

◆ rx_ep

uint8_t usbdev_stream::rx_ep

USB device endpoint being used for data reception.

Definition at line 174 of file usb_testutils_streams.h.

◆ rx_lfsr

uint8_t usbdev_stream::rx_lfsr

Reception-side LFSR state (mirrors USBDPI generation of PRND data)

Definition at line 182 of file usb_testutils_streams.h.

◆ rx_seq

uint16_t usbdev_stream::rx_seq

Reception Sequence Number (for Isochronous streams)

Definition at line 178 of file usb_testutils_streams.h.

◆ rxtx_lfsr

uint8_t usbdev_stream::rxtx_lfsr

Reception-side shadow of transmission LFSR.

Definition at line 186 of file usb_testutils_streams.h.

◆ sending

bool usbdev_stream::sending

Are we sending data?

Definition at line 207 of file usb_testutils_streams.h.

◆ transfer_bytes

uint32_t usbdev_stream::transfer_bytes

Size of transfer in bytes.

Definition at line 199 of file usb_testutils_streams.h.

◆ tx

usbdev_stream_tx_t usbdev_stream::tx

Current transmission state.

Definition at line 166 of file usb_testutils_streams.h.

◆ tx_cmt

usbdev_stream_tx_t usbdev_stream::tx_cmt

Committed transmission state.

Definition at line 170 of file usb_testutils_streams.h.

◆ tx_ep

uint8_t usbdev_stream::tx_ep

USB device endpoint being used for data transmission.

Definition at line 162 of file usb_testutils_streams.h.

◆ verbose

bool usbdev_stream::verbose

Specify whether to perform verbose logging, for visibility (Note that this substantially alters the timing of interactions with the DPI model and will increase the simulation time)

Definition at line 217 of file usb_testutils_streams.h.

◆ xfr_type

usb_testutils_transfer_type_t usbdev_stream::xfr_type

USB transfer type.

Definition at line 158 of file usb_testutils_streams.h.

Data Fields