For further documentation see http://linux-net.osdl.org/index.php/Netem. More...

Queue Limit
void	rtnl_netem_set_limit (struct rtnl_qdisc *qdisc, int limit)
	Set limit of netem qdisc. More...

int	rtnl_netem_get_limit (struct rtnl_qdisc *qdisc)
	Get limit of netem qdisc. More...

Packet Re-ordering
void	rtnl_netem_set_gap (struct rtnl_qdisc *qdisc, int gap)
	Set re-ordering gap of netem qdisc. More...

int	rtnl_netem_get_gap (struct rtnl_qdisc *qdisc)
	Get re-ordering gap of netem qdisc. More...

void	rtnl_netem_set_reorder_probability (struct rtnl_qdisc *qdisc, int prob)
	Set re-ordering probability of netem qdisc. More...

int	rtnl_netem_get_reorder_probability (struct rtnl_qdisc *qdisc)
	Get re-ordering probability of netem qdisc. More...

void	rtnl_netem_set_reorder_correlation (struct rtnl_qdisc *qdisc, int prob)
	Set re-order correlation probability of netem qdisc. More...

int	rtnl_netem_get_reorder_correlation (struct rtnl_qdisc *qdisc)
	Get re-ordering correlation probability of netem qdisc. More...

Corruption
void	rtnl_netem_set_corruption_probability (struct rtnl_qdisc *qdisc, int prob)
	Set corruption probability of netem qdisc. More...

int	rtnl_netem_get_corruption_probability (struct rtnl_qdisc *qdisc)
	Get corruption probability of netem qdisc. More...

void	rtnl_netem_set_corruption_correlation (struct rtnl_qdisc *qdisc, int prob)
	Set corruption correlation probability of netem qdisc. More...

int	rtnl_netem_get_corruption_correlation (struct rtnl_qdisc *qdisc)
	Get corruption correlation probability of netem qdisc. More...

Packet Loss
void	rtnl_netem_set_loss (struct rtnl_qdisc *qdisc, int prob)
	Set packet loss probability of netem qdisc. More...

int	rtnl_netem_get_loss (struct rtnl_qdisc *qdisc)
	Get packet loss probability of netem qdisc. More...

void	rtnl_netem_set_loss_correlation (struct rtnl_qdisc *qdisc, int prob)
	Set packet loss correlation probability of netem qdisc. More...

int	rtnl_netem_get_loss_correlation (struct rtnl_qdisc *qdisc)
	Get packet loss correlation probability of netem qdisc. More...

Packet Duplication
void	rtnl_netem_set_duplicate (struct rtnl_qdisc *qdisc, int prob)
	Set packet duplication probability of netem qdisc. More...

int	rtnl_netem_get_duplicate (struct rtnl_qdisc *qdisc)
	Get packet duplication probability of netem qdisc. More...

void	rtnl_netem_set_duplicate_correlation (struct rtnl_qdisc *qdisc, int prob)
	Set packet duplication correlation probability of netem qdisc. More...

int	rtnl_netem_get_duplicate_correlation (struct rtnl_qdisc *qdisc)
	Get packet duplication correlation probability of netem qdisc. More...

Packet Delay
void	rtnl_netem_set_delay (struct rtnl_qdisc *qdisc, int delay)
	Set packet delay of netem qdisc. More...

int	rtnl_netem_get_delay (struct rtnl_qdisc *qdisc)
	Get packet delay of netem qdisc. More...

void	rtnl_netem_set_jitter (struct rtnl_qdisc *qdisc, int jitter)
	Set packet delay jitter of netem qdisc. More...

int	rtnl_netem_get_jitter (struct rtnl_qdisc *qdisc)
	Get packet delay jitter of netem qdisc. More...

void	rtnl_netem_set_delay_correlation (struct rtnl_qdisc *qdisc, int prob)
	Set packet delay correlation probability of netem qdisc. More...

int	rtnl_netem_get_delay_correlation (struct rtnl_qdisc *qdisc)
	Get packet delay correlation probability of netem qdisc. More...

int	rtnl_netem_get_delay_distribution_size (struct rtnl_qdisc *qdisc)
	Get the size of the distribution table. More...

int	rtnl_netem_get_delay_distribution (struct rtnl_qdisc qdisc, int16_t *dist_ptr)
	Get a pointer to the distribution table. More...

int	rtnl_netem_set_delay_distribution (struct rtnl_qdisc qdisc, const char dist_type)
	Set the delay distribution. More...

Detailed Description

For further documentation see http://linux-net.osdl.org/index.php/Netem.

Function Documentation

void rtnl_netem_set_limit	(	struct rtnl_qdisc *	qdisc,
		int	limit
	)

Set limit of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
limit	New limit in bytes.

Returns: 0 on success or a negative error code.

Definition at line 296 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_limit ( struct rtnl_qdisc * qdisc )

Get limit of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Limit in bytes or a negative error code.

Definition at line 312 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_gap	(	struct rtnl_qdisc *	qdisc,
		int	gap
	)

Set re-ordering gap of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
gap	New gap in number of packets.

Returns: 0 on success or a negative error code.

Definition at line 338 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_gap ( struct rtnl_qdisc * qdisc )

Get re-ordering gap of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Re-ordering gap in packets or a negative error code.

Definition at line 354 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_reorder_probability	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set re-ordering probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New re-ordering probability.

Returns: 0 on success or a negative error code.

Definition at line 373 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_reorder_probability ( struct rtnl_qdisc * qdisc )

Get re-ordering probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Re-ordering probability or a negative error code.

Definition at line 389 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_reorder_correlation	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set re-order correlation probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New re-ordering correlation probability.

Returns: 0 on success or a negative error code.

Definition at line 408 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_reorder_correlation ( struct rtnl_qdisc * qdisc )

Get re-ordering correlation probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Re-ordering correlation probability or a negative error code.

Definition at line 424 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_corruption_probability	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set corruption probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New corruption probability.

Returns: 0 on success or a negative error code.

Definition at line 450 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_corruption_probability ( struct rtnl_qdisc * qdisc )

Get corruption probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Corruption probability or a negative error code.

Definition at line 466 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_corruption_correlation	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set corruption correlation probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New corruption correlation probability.

Returns: 0 on success or a negative error code.

Definition at line 485 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_corruption_correlation ( struct rtnl_qdisc * qdisc )

Get corruption correlation probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Corruption correlation probability or a negative error code.

Definition at line 501 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_loss	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set packet loss probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New packet loss probability.

Returns: 0 on success or a negative error code.

Definition at line 527 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_loss ( struct rtnl_qdisc * qdisc )

Get packet loss probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet loss probability or a negative error code.

Definition at line 543 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_loss_correlation	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set packet loss correlation probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New packet loss correlation.

Returns: 0 on success or a negative error code.

Definition at line 562 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_loss_correlation ( struct rtnl_qdisc * qdisc )

Get packet loss correlation probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet loss correlation probability or a negative error code.

Definition at line 578 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_duplicate	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set packet duplication probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New packet duplication probability.

Returns: 0 on success or a negative error code.

Definition at line 604 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_duplicate ( struct rtnl_qdisc * qdisc )

Get packet duplication probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet duplication probability or a negative error code.

Definition at line 620 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_duplicate_correlation	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set packet duplication correlation probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New packet duplication correlation probability.

Returns: 0 on sucess or a negative error code.

Definition at line 639 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_duplicate_correlation ( struct rtnl_qdisc * qdisc )

Get packet duplication correlation probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet duplication correlation probability or a negative error code.

Definition at line 655 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_delay	(	struct rtnl_qdisc *	qdisc,
		int	delay
	)

Set packet delay of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
delay	New packet delay in micro seconds.

Returns: 0 on success or a negative error code.

Definition at line 681 of file netem.c.

References nl_us2ticks(), rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_delay ( struct rtnl_qdisc * qdisc )

Get packet delay of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet delay in micro seconds or a negative error code.

Definition at line 697 of file netem.c.

References nl_ticks2us(), rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_jitter	(	struct rtnl_qdisc *	qdisc,
		int	jitter
	)

Set packet delay jitter of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
jitter	New packet delay jitter in micro seconds.

Returns: 0 on success or a negative error code.

Definition at line 716 of file netem.c.

References nl_us2ticks(), rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_jitter ( struct rtnl_qdisc * qdisc )

Get packet delay jitter of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet delay jitter in micro seconds or a negative error code.

Definition at line 732 of file netem.c.

References nl_ticks2us(), rtnl_tc_data(), and TC_CAST.

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void rtnl_netem_set_delay_correlation	(	struct rtnl_qdisc *	qdisc,
		int	prob
	)

Set packet delay correlation probability of netem qdisc.

Parameters

qdisc	Netem qdisc to be modified.
prob	New packet delay correlation probability.

Definition at line 750 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_delay_correlation ( struct rtnl_qdisc * qdisc )

Get packet delay correlation probability of netem qdisc.

Parameters

qdisc Netem qdisc.

Returns: Packet delay correlation probability or a negative error code.

Definition at line 766 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_delay_distribution_size ( struct rtnl_qdisc * qdisc )

Get the size of the distribution table.

Parameters

qdisc Netem qdisc.

Returns: Distribution table size or a negative error code.

Definition at line 784 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_get_delay_distribution	(	struct rtnl_qdisc *	qdisc,
		int16_t **	dist_ptr
	)

Get a pointer to the distribution table.

Parameters

qdisc	Netem qdisc.
dist_ptr	The pointer to set.

Returns: Negative error code on failure or 0 on success.

Definition at line 803 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_netem_set_delay_distribution	(	struct rtnl_qdisc *	qdisc,
		const char *	dist_type
	)

Set the delay distribution.

Latency/jitter must be set before applying.

Parameters

qdisc	Netem qdisc.
dist_type	The name of the distribution (type, file, path/file).

Returns: 0 on success, error code on failure.

Definition at line 823 of file netem.c.

References rtnl_tc_data(), and TC_CAST.

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Queue Limit

Packet Re-ordering

Corruption

Packet Loss

Packet Duplication

Packet Delay

Detailed Description

Function Documentation