Priority Band Translations | |
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char * | rtnl_prio2str (int prio, char *buf, size_t size) |
Convert priority to character string. | |
int | rtnl_str2prio (const char *name) |
Convert character string to priority. | |
Attribute Modification | |
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int | rtnl_qdisc_prio_set_bands (struct rtnl_qdisc *qdisc, int bands) |
Set number of bands of PRIO qdisc. | |
int | rtnl_qdisc_prio_get_bands (struct rtnl_qdisc *qdisc) |
Get number of bands of PRIO qdisc. | |
int | rtnl_qdisc_prio_set_priomap (struct rtnl_qdisc *qdisc, uint8_t priomap[], int len) |
Set priomap of the PRIO qdisc. | |
uint8_t * | rtnl_qdisc_prio_get_priomap (struct rtnl_qdisc *qdisc) |
Get priomap of a PRIO qdisc. | |
Default Values | |
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#define | QDISC_PRIO_DEFAULT_BANDS 3 |
Default number of bands. | |
#define | QDISC_PRIO_DEFAULT_PRIOMAP { 1, 2, 2, 2, 1, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 } |
Default priority mapping. |
// 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));
int rtnl_qdisc_prio_set_bands | ( | struct rtnl_qdisc * | qdisc, | |
int | bands | |||
) |
qdisc | PRIO qdisc to be modified. | |
bands | New number of bands. |
int rtnl_qdisc_prio_get_bands | ( | struct rtnl_qdisc * | qdisc | ) |
qdisc | PRIO qdisc. |
int rtnl_qdisc_prio_set_priomap | ( | struct rtnl_qdisc * | qdisc, | |
uint8_t | priomap[], | |||
int | len | |||
) |
qdisc | PRIO qdisc to be modified. | |
priomap | New priority mapping. | |
len | Length of priomap (# of elements). |
Definition at line 207 of file prio.c.
00209 { 00210 struct rtnl_prio *prio; 00211 int i; 00212 00213 prio = prio_alloc(qdisc); 00214 if (!prio) 00215 return nl_errno(ENOMEM); 00216 00217 if (!(prio->qp_mask & SCH_PRIO_ATTR_BANDS)) 00218 return nl_error(EINVAL, "Set number of bands first"); 00219 00220 if ((len / sizeof(uint8_t)) > (TC_PRIO_MAX+1)) 00221 return nl_error(ERANGE, "priomap length out of bounds"); 00222 00223 for (i = 0; i <= TC_PRIO_MAX; i++) { 00224 if (priomap[i] > prio->qp_bands) 00225 return nl_error(ERANGE, "priomap element %d " \ 00226 "out of bounds, increase bands number"); 00227 } 00228 00229 memcpy(prio->qp_priomap, priomap, len); 00230 prio->qp_mask |= SCH_PRIO_ATTR_PRIOMAP; 00231 00232 return 0; 00233 }
uint8_t* rtnl_qdisc_prio_get_priomap | ( | struct rtnl_qdisc * | qdisc | ) |
qdisc | PRIO qdisc. |
char* rtnl_prio2str | ( | int | prio, | |
char * | buf, | |||
size_t | size | |||
) |
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.
int rtnl_str2prio | ( | const char * | name | ) |
name | Name of priority. |
Converts the provided character string specifying a priority to the corresponding numeric value.