(Fast) Prio

Attribute Modification
void	rtnl_qdisc_prio_set_bands (struct rtnl_qdisc *qdisc, int bands)
	Set number of bands of PRIO qdisc. More...
int	rtnl_qdisc_prio_get_bands (struct rtnl_qdisc *qdisc)
	Get number of bands of PRIO qdisc. More...
int	rtnl_qdisc_prio_set_priomap (struct rtnl_qdisc *qdisc, uint8_t priomap[], int len)
	Set priomap of the PRIO qdisc. More...
uint8_t *	rtnl_qdisc_prio_get_priomap (struct rtnl_qdisc *qdisc)
	Get priomap of a PRIO qdisc. More...

Priority Band Translations
char *	rtnl_prio2str (int prio, char *buf, size_t size)
	Convert priority to character string. More...
int	rtnl_str2prio (const char *name)
	Convert character string to priority. More...

Detailed Description

1) Typical PRIO configuration

// Specify the maximal number of bands to be used for this PRIO qdisc.
rtnl_qdisc_prio_set_bands(qdisc, QDISC_PRIO_DEFAULT_BANDS);

// Provide a map assigning each priority to a band number.
uint8_t map[] = QDISC_PRIO_DEFAULT_PRIOMAP;
rtnl_qdisc_prio_set_priomap(qdisc, map, sizeof(map));

Function Documentation

void rtnl_qdisc_prio_set_bands	(	struct rtnl_qdisc *	qdisc,
		int	bands
	)

Set number of bands of PRIO qdisc.

Parameters

qdisc	PRIO qdisc to be modified.
bands	New number of bands.

Returns

0 on success or a negative error code.

Definition at line 129 of file prio.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_qdisc_prio_get_bands

(

struct rtnl_qdisc *

qdisc

)

Get number of bands of PRIO qdisc.

Parameters

qdisc

PRIO qdisc.

Returns

Number of bands or a negative error code.

Definition at line 145 of file prio.c.

References rtnl_tc_data(), and TC_CAST.

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int rtnl_qdisc_prio_set_priomap	(	struct rtnl_qdisc *	qdisc,
		uint8_t	priomap[],
		int	len
	)

Set priomap of the PRIO qdisc.

Parameters

qdisc	PRIO qdisc to be modified.
priomap	New priority mapping.
len	Length of priomap (# of elements).

Returns

0 on success or a negative error code.

Definition at line 165 of file prio.c.

References rtnl_tc_data(), and TC_CAST.

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uint8_t* rtnl_qdisc_prio_get_priomap

(

struct rtnl_qdisc *

qdisc

)

Get priomap of a PRIO qdisc.

Parameters

qdisc

PRIO qdisc.

Returns

Priority mapping as array of size TC_PRIO_MAX+1 or NULL if an error occured.

Definition at line 197 of file prio.c.

References rtnl_tc_data(), and TC_CAST.

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char* rtnl_prio2str	(	int	prio,
		char *	buf,
		size_t	size
	)

Convert priority to character string.

Parameters

prio	Priority.
buf	Destination buffer
size	Size of destination buffer.

Converts a priority to a character string and stores the result in the specified destination buffer.

Returns

Name of priority as character string.

Definition at line 237 of file prio.c.

int rtnl_str2prio

(

const char *

name

)

Convert character string to priority.

Parameters

name	Name of priority.

Converts the provided character string specifying a priority to the corresponding numeric value.

Returns

Numeric priority or a negative value if no match was found.

Definition at line 251 of file prio.c.