diag.c File Reference

Switchtec diagnostic functions. More...

#include "switchtec_priv.h"
#include "switchtec/diag.h"
#include "switchtec/endian.h"
#include "switchtec/switchtec.h"
#include "switchtec/utils.h"
#include <errno.h>
#include <math.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>

Include dependency graph for diag.c:

Go to the source code of this file.

Functions
int	switchtec_diag_cross_hair_enable (struct switchtec_dev *dev, int lane_id)
	Enable cross hair on specified lane.
int	switchtec_diag_cross_hair_disable (struct switchtec_dev *dev)
	Disable active cross hair.
int	switchtec_diag_cross_hair_get (struct switchtec_dev *dev, int start_lane_id, int num_lanes, struct switchtec_diag_cross_hair *res)
	Disable active cross hair.
int	switchtec_diag_eye_set_mode (struct switchtec_dev *dev, enum switchtec_diag_eye_data_mode mode)
	Set the data mode for the next Eye Capture.
int	switchtec_diag_eye_read (struct switchtec_dev *dev, int lane_id, int bin, int *num_phases, double *ber_data)
	Start a PCIe Eye Read Gen5.
int	switchtec_diag_eye_start (struct switchtec_dev *dev, int lane_mask[4], struct range *x_range, struct range *y_range, int step_interval, int capture_depth)
	Start a PCIe Eye Capture.
int	switchtec_diag_eye_fetch (struct switchtec_dev *dev, double *pixels, size_t pixel_cnt, int *lane_id)
	Start a PCIe Eye Capture.
int	switchtec_diag_eye_cancel (struct switchtec_dev *dev)
	Cancel in-progress eye capture.
int	switchtec_diag_loopback_set (struct switchtec_dev *dev, int port_id, int enable, int enable_parallel, int enable_external, int enable_ltssm, enum switchtec_diag_ltssm_speed ltssm_speed)
	Setup Loopback Mode.
int	switchtec_diag_loopback_get (struct switchtec_dev *dev, int port_id, int *enabled, enum switchtec_diag_ltssm_speed *ltssm_speed)
	Setup Loopback Mode.
int	switchtec_diag_pattern_gen_set (struct switchtec_dev *dev, int port_id, enum switchtec_diag_pattern type, enum switchtec_diag_pattern_link_rate link_speed)
	Setup Pattern Generator.
int	switchtec_diag_pattern_gen_get (struct switchtec_dev *dev, int port_id, enum switchtec_diag_pattern *type)
	Get Pattern Generator set on port.
int	switchtec_diag_pattern_mon_set (struct switchtec_dev *dev, int port_id, enum switchtec_diag_pattern type)
	Setup Pattern Monitor.
int	switchtec_diag_pattern_mon_get (struct switchtec_dev *dev, int port_id, int lane_id, enum switchtec_diag_pattern *type, unsigned long long *err_cnt)
	Get Pattern Monitor.
int	switchtec_diag_pattern_inject (struct switchtec_dev *dev, int port_id, unsigned int err_cnt)
	Inject error into pattern generator.
int	switchtec_diag_rcvr_obj (struct switchtec_dev *dev, int port_id, int lane_id, enum switchtec_diag_link link, struct switchtec_rcvr_obj *res)
	Get the receiver object.
static int	switchtec_gen5_diag_port_eq_tx_coeff (struct switchtec_dev *dev, int port_id, int prev_speed, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_coeff *res)
	Get the Gen5 port equalization TX coefficients.
static int	switchtec_gen4_diag_port_eq_tx_coeff (struct switchtec_dev *dev, int port_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_coeff *res)
	Get the Gen4 port equalization TX coefficients.
int	switchtec_diag_port_eq_tx_coeff (struct switchtec_dev *dev, int port_id, int prev_speed, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_coeff *res)
	Get the port equalization TX coefficients.
static int	switchtec_gen5_diag_port_eq_tx_table (struct switchtec_dev *dev, int port_id, int prev_speed, enum switchtec_diag_link link, struct switchtec_port_eq_table *res)
	Get the Gen5 far end TX equalization table.
static int	switchtec_gen4_diag_port_eq_tx_table (struct switchtec_dev *dev, int port_id, enum switchtec_diag_link link, struct switchtec_port_eq_table *res)
	Get the Gen4 far end TX equalization table.
int	switchtec_diag_port_eq_tx_table (struct switchtec_dev *dev, int port_id, int prev_speed, enum switchtec_diag_link link, struct switchtec_port_eq_table *res)
	Get the far end TX equalization table.
static int	switchtec_gen5_diag_port_eq_tx_fslf (struct switchtec_dev *dev, int port_id, int prev_speed, int lane_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_tx_fslf *res)
	Get the Gen5 equalization FS/LF.
static int	switchtec_gen4_diag_port_eq_tx_fslf (struct switchtec_dev *dev, int port_id, int lane_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_tx_fslf *res)
	Get the Gen4 equalization FS/LF.
int	switchtec_diag_port_eq_tx_fslf (struct switchtec_dev *dev, int port_id, int prev_speed, int lane_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_tx_fslf *res)
	Get the equalization FS/LF.
int	switchtec_diag_rcvr_ext (struct switchtec_dev *dev, int port_id, int lane_id, enum switchtec_diag_link link, struct switchtec_rcvr_ext *res)
	Get the Extended Receiver Object.
int	switchtec_diag_perm_table (struct switchtec_dev *dev, struct switchtec_mrpc table[MRPC_MAX_ID])
	Get the permission table.
int	switchtec_diag_refclk_ctl (struct switchtec_dev *dev, int stack_id, bool en)
	Control the refclk output for a stack.
int	switchtec_diag_refclk_status (struct switchtec_dev *dev, uint8_t *stack_info)
	Get the status of all stacks of the refclk.
static int	switchtec_diag_ltssm_log_gen5 (struct switchtec_dev *dev, int port, int *log_count, struct switchtec_diag_ltssm_log *log_data)
	Get the LTSSM log of a port on a gen5 switchtec device.
static int	switchtec_diag_ltssm_log_gen4 (struct switchtec_dev *dev, int port, int *log_count, struct switchtec_diag_ltssm_log *log_data)
	Get the LTSSM log of a port on a gen4 switchtec device.
int	switchtec_diag_ltssm_log (struct switchtec_dev *dev, int port, int *log_count, struct switchtec_diag_ltssm_log *log_data)
	Determine the generation and call the related LTSSM log func.
int	switchtec_diag_ltssm_clear (struct switchtec_dev *dev, int port)
	Call the LTSSM clear MRPC command.
int	switchtec_aer_event_gen (struct switchtec_dev *dev, int port_id, int aer_error_id, int trigger_event)
	Call the aer event gen function to generate AER events.
int	switchtec_inject_err_dllp (struct switchtec_dev *dev, int phys_port_id, int data)
	Inject a DLLP into a physical port.
int	switchtec_inject_err_dllp_crc (struct switchtec_dev *dev, int phys_port_id, int enable, uint16_t rate)
	Inject a DLLP CRC error into a physical port.
int	switchtec_inject_err_tlp_lcrc (struct switchtec_dev *dev, int phy_port, int enable, uint8_t rate)
	Inject a TLP LCRC error into a physical port.
int	switchtec_inject_err_tlp_seq_num (struct switchtec_dev *dev, int phys_port_id)
	Inject a TLP Sequence Number error into a physical port.
int	switchtec_inject_err_ack_nack (struct switchtec_dev *dev, int phys_port_id, uint16_t seq_num, uint8_t count)
	Inject an ACK to NACK error into a physical port.
int	switchtec_inject_err_cto (struct switchtec_dev *dev, int phys_port_id)
	Inject Credit Timeout error into a physical port.

Detailed Description

Switchtec diagnostic functions.

Definition in file diag.c.

Function Documentation

switchtec_aer_event_gen()

int switchtec_aer_event_gen	(	struct switchtec_dev *	dev,
		int	port_id,
		int	aer_error_id,
		int	trigger_event )

Call the aer event gen function to generate AER events.

Parameters

[in]	dev	Switchtec device handle
[in]	port	Switchtec Port
[in]	aer_error_id	aer error bit
[out]	trigger_event	One of the trigger events

Definition at line 1786 of file diag.c.

switchtec_diag_cross_hair_disable()

int switchtec_diag_cross_hair_disable

(

struct switchtec_dev *

dev

)

Disable active cross hair.

Parameters

[in]

dev

Switchtec device handle

Returns

0 on success, error code on failure

Definition at line 70 of file diag.c.

switchtec_diag_cross_hair_enable()

int switchtec_diag_cross_hair_enable	(	struct switchtec_dev *	dev,
		int	lane_id )

Enable cross hair on specified lane.

Parameters

[in]	dev	Switchtec device handle
[in]	lane_id	Lane to enable, or SWITCHTEC_DIAG_CROSS_HAIR_ALL_LANES for all lanes.

Returns

0 on success, error code on failure

Definition at line 53 of file diag.c.

switchtec_diag_cross_hair_get()

int switchtec_diag_cross_hair_get	(	struct switchtec_dev *	dev,
		int	start_lane_id,
		int	num_lanes,
		struct switchtec_diag_cross_hair *	res )

Disable active cross hair.

Parameters

[in]	dev	Switchtec device handle
[in]	start_lane_id	Start lane ID to get
[in]	num_lanes	Number of lanes to get
[out]	res	Resulting cross hair data

Returns

0 on success, error code on failure

Definition at line 88 of file diag.c.

switchtec_diag_eye_cancel()

int switchtec_diag_eye_cancel

(

struct switchtec_dev *

dev

)

Cancel in-progress eye capture.

Parameters

[in]

dev

Switchtec device handle

Returns

0 on success, error code on failure

Definition at line 412 of file diag.c.

switchtec_diag_eye_fetch()

int switchtec_diag_eye_fetch	(	struct switchtec_dev *	dev,
		double *	pixels,
		size_t	pixel_cnt,
		int *	lane_id )

Start a PCIe Eye Capture.

Parameters

[in]	dev	Switchtec device handle
[out]	pixels	Resulting pixel data
[in]	pixel_cnt	Space in pixel array
[out]	lane_id	The lane for the resulting pixels

Returns

number of pixels fetched on success, error code on failure

pixel_cnt needs to be greater than 62 in raw mode or 496 in ratio mode, otherwise data will be lost and the number of pixels fetched will be greater than the space in the pixel buffer.

Definition at line 352 of file diag.c.

switchtec_diag_eye_read()

int switchtec_diag_eye_read	(	struct switchtec_dev *	dev,
		int	lane_id,
		int	bin,
		int *	num_phases,
		double *	ber_data )

Start a PCIe Eye Read Gen5.

Parameters

[in]	dev	Switchtec device handle
[in]	lane_id	lane_id
[in]	bin	bin
[in]	num_phases	pointer to the number of phases
[in]	ber_data	pointer to the Ber data

Returns

0 on success, error code on failure

Definition at line 242 of file diag.c.

switchtec_diag_eye_set_mode()

int switchtec_diag_eye_set_mode	(	struct switchtec_dev *	dev,
		enum switchtec_diag_eye_data_mode	mode )

Set the data mode for the next Eye Capture.

Parameters

[in]	dev	Switchtec device handle
[in]	mode	Mode to use (raw or ratio)

Returns

0 on success, error code on failure

Definition at line 221 of file diag.c.

switchtec_diag_eye_start()

int switchtec_diag_eye_start	(	struct switchtec_dev *	dev,
		int	lane_mask[4],
		struct range *	x_range,
		struct range *	y_range,
		int	step_interval,
		int	capture_depth )

Start a PCIe Eye Capture.

Parameters

[in]	dev	Switchtec device handle
[in]	lane_mask	Bitmap of the lanes to capture
[in]	x_range	Time range: start should be between 0 and 63, end between start and 63.
[in]	y_range	Voltage range: start should be between -255 and 255, end between start and 255.
[in]	step_interval	Sampling time in milliseconds for each step

Returns

0 on success, error code on failure

Definition at line 282 of file diag.c.

switchtec_diag_loopback_get()

int switchtec_diag_loopback_get	(	struct switchtec_dev *	dev,
		int	port_id,
		int *	enabled,
		enum switchtec_diag_ltssm_speed *	ltssm_speed )

Setup Loopback Mode.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[out]	enabled	Set of enum switchtec_diag_loopback_enable indicating which loopback modes are enabled
[out]	ltssm_speed	LTSSM loopback max speed

Returns

0 on succes, error code on failure

Definition at line 568 of file diag.c.

switchtec_diag_loopback_set()

int switchtec_diag_loopback_set	(	struct switchtec_dev *	dev,
		int	port_id,
		int	enable,
		int	enable_parallel,
		int	enable_external,
		int	enable_ltssm,
		enum switchtec_diag_ltssm_speed	ltssm_speed )

Setup Loopback Mode.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	enable	Enable bitmap - Gen 4
[in]	enable_parallel	Enable the parallel SERDES loopback - Gen 5
[in]	enable_external	Enable the external physical loopback - Gen 5
[in]	enable_ltssm	Enable the ltssm loopback
[in]	ltssm_speed	LTSSM loopback max speed

Returns

0 on success, error code on failure

Definition at line 534 of file diag.c.

switchtec_diag_ltssm_clear()

int switchtec_diag_ltssm_clear	(	struct switchtec_dev *	dev,
		int	port )

Call the LTSSM clear MRPC command.

Parameters

[in]	dev	Switchtec device handle
[in]	port	Switchtec Port

Definition at line 1741 of file diag.c.

switchtec_diag_ltssm_log()

int switchtec_diag_ltssm_log	(	struct switchtec_dev *	dev,
		int	port,
		int *	log_count,
		struct switchtec_diag_ltssm_log *	log_data )

Determine the generation and call the related LTSSM log func.

Parameters

[in]	dev	Switchtec device handle
[in]	port	Switchtec Port
[in,out]	log_count	number of log entries
[out]	log	A pointer to an array containing the log

Definition at line 1724 of file diag.c.

switchtec_diag_ltssm_log_gen4()

int switchtec_diag_ltssm_log_gen4 ( struct switchtec_dev * dev, int port, int * log_count, struct switchtec_diag_ltssm_log * log_data )

static

Get the LTSSM log of a port on a gen4 switchtec device.

Parameters

[in]	dev	Switchtec device handle
[in]	port	Switchtec Port
[in,out]	log_count	number of log entries
[out]	log	A pointer to an array containing the log

Definition at line 1604 of file diag.c.

switchtec_diag_ltssm_log_gen5()

int switchtec_diag_ltssm_log_gen5 ( struct switchtec_dev * dev, int port, int * log_count, struct switchtec_diag_ltssm_log * log_data )

static

Get the LTSSM log of a port on a gen5 switchtec device.

Parameters

[in]	dev	Switchtec device handle
[in]	port	Switchtec Port
[in,out]	log_count	number of log entries
[out]	log	A pointer to an array containing the log

Definition at line 1466 of file diag.c.

switchtec_diag_pattern_gen_get()

int switchtec_diag_pattern_gen_get	(	struct switchtec_dev *	dev,
		int	port_id,
		enum switchtec_diag_pattern *	type )

Get Pattern Generator set on port.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[out]	type	Pattern type to enable

Returns

0 on success, error code on failure

Definition at line 659 of file diag.c.

switchtec_diag_pattern_gen_set()

int switchtec_diag_pattern_gen_set	(	struct switchtec_dev *	dev,
		int	port_id,
		enum switchtec_diag_pattern	type,
		enum switchtec_diag_pattern_link_rate	link_speed )

Setup Pattern Generator.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	type	Pattern type to enable

Returns

0 on success, error code on failure

Definition at line 635 of file diag.c.

switchtec_diag_pattern_inject()

int switchtec_diag_pattern_inject	(	struct switchtec_dev *	dev,
		int	port_id,
		unsigned int	err_cnt )

Inject error into pattern generator.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	err_cnt	Number of errors seen

Injects up to err_cnt errors into each lane of the TX port. It's recommended that the err_cnt be less than 1000, otherwise the firmware runs the risk of consuming too many resources and crashing.

Returns

0 on success, error code on failure

Definition at line 748 of file diag.c.

switchtec_diag_pattern_mon_get()

int switchtec_diag_pattern_mon_get	(	struct switchtec_dev *	dev,
		int	port_id,
		int	lane_id,
		enum switchtec_diag_pattern *	type,
		unsigned long long *	err_cnt )

Get Pattern Monitor.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[out]	type	Pattern type to enable
[out]	err_cnt	Number of errors seen

Returns

0 on success, error code on failure

Definition at line 709 of file diag.c.

switchtec_diag_pattern_mon_set()

int switchtec_diag_pattern_mon_set	(	struct switchtec_dev *	dev,
		int	port_id,
		enum switchtec_diag_pattern	type )

Setup Pattern Monitor.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	type	Pattern type to enable

Returns

0 on success, error code on failure

Definition at line 688 of file diag.c.

switchtec_diag_perm_table()

int switchtec_diag_perm_table	(	struct switchtec_dev *	dev,
		struct switchtec_mrpc	table[MRPC_MAX_ID] )

Get the permission table.

Parameters

[in]	dev	Switchtec device handle
[out]	table	Resulting MRPC permission table

Returns

0 on success, error code on failure

Definition at line 1369 of file diag.c.

switchtec_diag_port_eq_tx_coeff()

int switchtec_diag_port_eq_tx_coeff	(	struct switchtec_dev *	dev,
		int	port_id,
		int	prev_speed,
		enum switchtec_diag_end	end,
		enum switchtec_diag_link	link,
		struct switchtec_port_eq_coeff *	res )

Get the port equalization TX coefficients.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	end	Get coefficents for the Local or the Far End
[out]	res	Resulting port equalization coefficients

Returns

0 on success, error code on failure

Definition at line 1002 of file diag.c.

switchtec_diag_port_eq_tx_fslf()

int switchtec_diag_port_eq_tx_fslf	(	struct switchtec_dev *	dev,
		int	port_id,
		int	prev_speed,
		int	lane_id,
		enum switchtec_diag_end	end,
		enum switchtec_diag_link	link,
		struct switchtec_port_eq_tx_fslf *	res )

Get the equalization FS/LF.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	lane_id	Physical port ID
[in]	end	Get coefficents for the Local or the Far End
[out]	res	Resulting FS/LF values

Returns

0 on success, error code on failure

Definition at line 1294 of file diag.c.

switchtec_diag_port_eq_tx_table()

int switchtec_diag_port_eq_tx_table	(	struct switchtec_dev *	dev,
		int	port_id,
		int	prev_speed,
		enum switchtec_diag_link	link,
		struct switchtec_port_eq_table *	res )

Get the far end TX equalization table.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[out]	res	Resulting port equalization table

Returns

0 on success, error code on failure

Definition at line 1144 of file diag.c.

switchtec_diag_rcvr_ext()

int switchtec_diag_rcvr_ext	(	struct switchtec_dev *	dev,
		int	port_id,
		int	lane_id,
		enum switchtec_diag_link	link,
		struct switchtec_rcvr_ext *	res )

Get the Extended Receiver Object.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	lane_id	Lane ID
[in]	link	Current or previous link-up
[out]	res	Resulting receiver object

Returns

0 on success, error code on failure

Definition at line 1324 of file diag.c.

switchtec_diag_rcvr_obj()

int switchtec_diag_rcvr_obj	(	struct switchtec_dev *	dev,
		int	port_id,
		int	lane_id,
		enum switchtec_diag_link	link,
		struct switchtec_rcvr_obj *	res )

Get the receiver object.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	lane_id	Lane ID
[in]	link	Current or previous link-up
[out]	res	Resulting receiver object

Returns

0 on success, error code on failure

Definition at line 775 of file diag.c.

switchtec_diag_refclk_ctl()

int switchtec_diag_refclk_ctl	(	struct switchtec_dev *	dev,
		int	stack_id,
		bool	en )

Control the refclk output for a stack.

Parameters

[in]	dev	Switchtec device handle
[in]	stack_id	Stack ID to control the refclk of
[in]	en	Set to true to enable, false to disable

Returns

0 on success, error code on failure

Definition at line 1406 of file diag.c.

switchtec_diag_refclk_status()

int switchtec_diag_refclk_status	(	struct switchtec_dev *	dev,
		uint8_t *	stack_info )

Get the status of all stacks of the refclk.

Parameters

[in]	dev	Switchtec device handle
[in]	stack_info	Pointer to the stack information

Returns

0 on success, error code on failure

Definition at line 1422 of file diag.c.

switchtec_gen4_diag_port_eq_tx_coeff()

int switchtec_gen4_diag_port_eq_tx_coeff ( struct switchtec_dev * dev, int port_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_coeff * res )

static

Get the Gen4 port equalization TX coefficients.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	end	Get coefficents for the Local or the Far End
[out]	res	Resulting port equalization coefficients

Returns

0 on success, error code on failure

Definition at line 936 of file diag.c.

switchtec_gen4_diag_port_eq_tx_fslf()

int switchtec_gen4_diag_port_eq_tx_fslf ( struct switchtec_dev * dev, int port_id, int lane_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_tx_fslf * res )

static

Get the Gen4 equalization FS/LF.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	lane_id	Physical port ID
[in]	end	Get coefficents for the Local or the Far End
[out]	res	Resulting FS/LF values

Returns

0 on success, error code on failure

Definition at line 1230 of file diag.c.

switchtec_gen4_diag_port_eq_tx_table()

int switchtec_gen4_diag_port_eq_tx_table ( struct switchtec_dev * dev, int port_id, enum switchtec_diag_link link, struct switchtec_port_eq_table * res )

static

Get the Gen4 far end TX equalization table.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[out]	res	Resulting port equalization table

Returns

0 on success, error code on failure

Definition at line 1084 of file diag.c.

switchtec_gen5_diag_port_eq_tx_coeff()

int switchtec_gen5_diag_port_eq_tx_coeff ( struct switchtec_dev * dev, int port_id, int prev_speed, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_coeff * res )

static

Get the Gen5 port equalization TX coefficients.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	end	Get coefficents for the Local or the Far End
[out]	res	Resulting port equalization coefficients

Returns

0 on success, error code on failure

Definition at line 830 of file diag.c.

switchtec_gen5_diag_port_eq_tx_fslf()

int switchtec_gen5_diag_port_eq_tx_fslf ( struct switchtec_dev * dev, int port_id, int prev_speed, int lane_id, enum switchtec_diag_end end, enum switchtec_diag_link link, struct switchtec_port_eq_tx_fslf * res )

static

Get the Gen5 equalization FS/LF.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[in]	lane_id	Physical port ID
[in]	end	Get coefficents for the Local or the Far End
[out]	res	Resulting FS/LF values

Returns

0 on success, error code on failure

Definition at line 1171 of file diag.c.

switchtec_gen5_diag_port_eq_tx_table()

int switchtec_gen5_diag_port_eq_tx_table ( struct switchtec_dev * dev, int port_id, int prev_speed, enum switchtec_diag_link link, struct switchtec_port_eq_table * res )

static

Get the Gen5 far end TX equalization table.

Parameters

[in]	dev	Switchtec device handle
[in]	port_id	Physical port ID
[out]	res	Resulting port equalization table

Returns

0 on success, error code on failure

Definition at line 1027 of file diag.c.

switchtec_inject_err_ack_nack()

int switchtec_inject_err_ack_nack	(	struct switchtec_dev *	dev,
		int	phys_port_id,
		uint16_t	seq_num,
		uint8_t	count )

Inject an ACK to NACK error into a physical port.

Parameters

[in]	dev	Switchtec device handle
[in]	phys_port_id	Physical port id
[in]	seq_num	Sequence Number of ACK to be changed to a NACK (0-4095)
[in]	count	Number of times to replace ACK with NACK (0-255)

Returns

0 on success, or a negative value on failure

Definition at line 1938 of file diag.c.

switchtec_inject_err_cto()

int switchtec_inject_err_cto	(	struct switchtec_dev *	dev,
		int	phys_port_id )

Inject Credit Timeout error into a physical port.

Parameters

[in]	dev	Switchtec device handle
[in]	phys_port_id	Physical port id

Returns

0 on success, or a negative value on failure

Definition at line 1960 of file diag.c.

switchtec_inject_err_dllp()

int switchtec_inject_err_dllp	(	struct switchtec_dev *	dev,
		int	phys_port_id,
		int	data )

Inject a DLLP into a physical port.

Return Link error injection command outputs for DLLP, DLLP_CRC, LCRC, SEQ_NUM, ACK_NACK, CTO.

Parameters

[in]	dev	Switchtec device handle
[in]	phys_port_id	Physical port id
[in]	data	DLLP data

Returns

0 on success, or a negative value on failure

Definition at line 1814 of file diag.c.

switchtec_inject_err_dllp_crc()

int switchtec_inject_err_dllp_crc	(	struct switchtec_dev *	dev,
		int	phys_port_id,
		int	enable,
		uint16_t	rate )

Inject a DLLP CRC error into a physical port.

Parameters

[in]	dev	Switchtec device handle
[in]	phys_port_id	Physical port id
[in]	enable	Enable DLLP CRC error injection
[in]	rate	Rate of the error injection

Returns

0 on success, or a negative value on failure

Definition at line 1837 of file diag.c.

switchtec_inject_err_tlp_lcrc()

int switchtec_inject_err_tlp_lcrc	(	struct switchtec_dev *	dev,
		int	phy_port,
		int	enable,
		uint8_t	rate )

Inject a TLP LCRC error into a physical port.

Parameters

[in]	dev	Switchtec device handle
[in]	phy_port	Physical port id
[in]	rate	Rate of the error injection

Returns

0 on success, or a negative value on failure

Definition at line 1896 of file diag.c.

switchtec_inject_err_tlp_seq_num()

int switchtec_inject_err_tlp_seq_num	(	struct switchtec_dev *	dev,
		int	phys_port_id )

Inject a TLP Sequence Number error into a physical port.

Parameters

[in]	dev	Switchtec device handle
[in]	phys_port_id	Physical port id

Returns

0 on success, or a negative value on failure

Definition at line 1917 of file diag.c.