</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayMemoryLimit=</varname></term>
+ <listitem>
+ <para>Specifies the limit on the total number of bytes that can be queued in this FQ-CoDel instance.
+ When suffixed with K, M, or G, the specified size is parsed as Kilobytes, Megabytes, or Gigabytes,
+ respectively, to the base of 1024. Defaults to unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayFlows=</varname></term>
+ <listitem>
+ <para>Specifies the number of flows into which the incoming packets are classified.
+ Defaults to unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayTargetSec=</varname></term>
+ <listitem>
+ <para>Takes a timespan. Specifies the acceptable minimum standing/persistent queue delay.
+ Defaults to unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayIntervalSec=</varname></term>
+ <listitem>
+ <para>Takes a timespan. This is used to ensure that the measured minimum delay does not
+ become too stale. Defaults to unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayQuantum=</varname></term>
+ <listitem>
+ <para>Specifies the number of bytes used as 'deficit' in the fair queuing algorithmtimespan.
+ When suffixed with K, M, or G, the specified size is parsed as Kilobytes, Megabytes, or Gigabytes,
+ respectively, to the base of 1024. Defaults to unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayECN=</varname></term>
+ <listitem>
+ <para>Takes a boolean. This can be used to mark packets instead of dropping them. Defaults to
+ unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>FairQueuingControlledDelayCEThresholdSec=</varname></term>
+ <listitem>
+ <para>Takes a timespan. This sets a threshold above which all packets are marked with ECN
+ Congestion Experienced (CE). Defaults to unset and kernel's default is used.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>FairQueueTrafficPolicingPacketLimit=</varname></term>
<listitem>
TrafficControlQueueingDiscipline.TokenBufferFilterPeakRate, config_parse_tc_token_buffer_filter_size, 0, 0
TrafficControlQueueingDiscipline.TokenBufferFilterLatencySec, config_parse_tc_token_buffer_filter_latency, 0, 0
TrafficControlQueueingDiscipline.StochasticFairnessQueueingPerturbPeriodSec, config_parse_tc_stochastic_fairness_queueing_perturb_period, 0, 0
-TrafficControlQueueingDiscipline.FairQueuingControlledDelayPacketLimit, config_parse_tc_fair_queuing_controlled_delay_limit, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayPacketLimit, config_parse_tc_fair_queuing_controlled_delay_u32, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayMemoryLimit, config_parse_tc_fair_queuing_controlled_delay_size, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayFlows, config_parse_tc_fair_queuing_controlled_delay_u32, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayQuantum, config_parse_tc_fair_queuing_controlled_delay_size, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayTargetSec, config_parse_tc_fair_queuing_controlled_delay_usec, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayIntervalSec, config_parse_tc_fair_queuing_controlled_delay_usec, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayCEThresholdSec, config_parse_tc_fair_queuing_controlled_delay_usec, 0, 0
+TrafficControlQueueingDiscipline.FairQueuingControlledDelayECN, config_parse_tc_fair_queuing_controlled_delay_bool, 0, 0
TrafficControlQueueingDiscipline.FairQueueTrafficPolicingPacketLimit, config_parse_tc_fair_queue_traffic_policing_packet_limit, 0, 0
/* backwards compatibility: do not add new entries to this section */
Network.IPv4LL, config_parse_ipv4ll, 0, offsetof(Network, link_local)
#include "qdisc.h"
#include "string-util.h"
+static int fair_queuing_controlled_delay_init(QDisc *qdisc) {
+ FairQueuingControlledDelay *fqcd;
+
+ assert(qdisc);
+
+ fqcd = FQ_CODEL(qdisc);
+
+ fqcd->memory_limit = UINT32_MAX;
+ fqcd->ce_threshold_usec = USEC_INFINITY;
+ fqcd->ecn = -1;
+
+ return 0;
+}
+
static int fair_queuing_controlled_delay_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
FairQueuingControlledDelay *fqcd;
int r;
if (r < 0)
return log_link_error_errno(link, r, "Could not open container TCA_OPTIONS: %m");
- r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_LIMIT, fqcd->limit);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_LIMIT attribute: %m");
+ if (fqcd->packet_limit > 0) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_LIMIT, fqcd->packet_limit);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_LIMIT attribute: %m");
+ }
+
+ if (fqcd->flows > 0) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_FLOWS, fqcd->flows);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_FLOWS attribute: %m");
+ }
+
+ if (fqcd->quantum > 0) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_QUANTUM, fqcd->quantum);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_QUANTUM attribute: %m");
+ }
+
+ if (fqcd->interval_usec > 0) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_INTERVAL, fqcd->interval_usec);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_INTERVAL attribute: %m");
+ }
+
+ if (fqcd->target_usec > 0) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_TARGET, fqcd->target_usec);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_TARGET attribute: %m");
+ }
+
+ if (fqcd->ecn >= 0) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_ECN, fqcd->ecn);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_ECN attribute: %m");
+ }
+
+ if (fqcd->ce_threshold_usec != USEC_INFINITY) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_CE_THRESHOLD, fqcd->ce_threshold_usec);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_CE_THRESHOLD attribute: %m");
+ }
+
+ if (fqcd->memory_limit != UINT32_MAX) {
+ r = sd_netlink_message_append_u32(req, TCA_FQ_CODEL_MEMORY_LIMIT, fqcd->memory_limit);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append TCA_FQ_CODEL_MEMORY_LIMIT attribute: %m");
+ }
r = sd_netlink_message_close_container(req);
if (r < 0)
return 0;
}
-int config_parse_tc_fair_queuing_controlled_delay_limit(
+int config_parse_tc_fair_queuing_controlled_delay_u32(
const char *unit,
const char *filename,
unsigned line,
_cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
FairQueuingControlledDelay *fqcd;
Network *network = data;
+ uint32_t *p;
int r;
assert(filename);
fqcd = FQ_CODEL(qdisc);
+ if (streq(lvalue, "FairQueuingControlledDelayPacketLimit"))
+ p = &fqcd->packet_limit;
+ else if (streq(lvalue, "FairQueuingControlledDelayFlows"))
+ p = &fqcd->flows;
+ else
+ assert_not_reached("Invalid lvalue.");
+
if (isempty(rvalue)) {
- fqcd->limit = 0;
+ *p = 0;
qdisc = NULL;
return 0;
}
- r = safe_atou32(rvalue, &fqcd->limit);
+ r = safe_atou32(rvalue, p);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r,
"Failed to parse '%s=', ignoring assignment: %s",
return 0;
}
+int config_parse_tc_fair_queuing_controlled_delay_usec(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
+ FairQueuingControlledDelay *fqcd;
+ Network *network = data;
+ usec_t *p;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = qdisc_new_static(QDISC_KIND_FQ_CODEL, network, filename, section_line, &qdisc);
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0)
+ return log_syntax(unit, LOG_ERR, filename, line, r,
+ "More than one kind of queueing discipline, ignoring assignment: %m");
+
+ fqcd = FQ_CODEL(qdisc);
+
+ if (streq(lvalue, "FairQueuingControlledDelayTargetSec"))
+ p = &fqcd->target_usec;
+ else if (streq(lvalue, "FairQueuingControlledDelayIntervalSec"))
+ p = &fqcd->interval_usec;
+ else if (streq(lvalue, "FairQueuingControlledDelayCEThresholdSec"))
+ p = &fqcd->ce_threshold_usec;
+ else
+ assert_not_reached("Invalid lvalue.");
+
+ if (isempty(rvalue)) {
+ if (streq(lvalue, "FairQueuingControlledDelayCEThresholdSec"))
+ *p = USEC_INFINITY;
+ else
+ *p = 0;
+
+ qdisc = NULL;
+ return 0;
+ }
+
+ r = parse_sec(rvalue, p);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Failed to parse '%s=', ignoring assignment: %s",
+ lvalue, rvalue);
+ return 0;
+ }
+
+ qdisc = NULL;
+
+ return 0;
+}
+
+int config_parse_tc_fair_queuing_controlled_delay_bool(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
+ FairQueuingControlledDelay *fqcd;
+ Network *network = data;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = qdisc_new_static(QDISC_KIND_FQ_CODEL, network, filename, section_line, &qdisc);
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0)
+ return log_syntax(unit, LOG_ERR, filename, line, r,
+ "More than one kind of queueing discipline, ignoring assignment: %m");
+
+ fqcd = FQ_CODEL(qdisc);
+
+ if (isempty(rvalue)) {
+ fqcd->ecn = -1;
+
+ qdisc = NULL;
+ return 0;
+ }
+
+ r = parse_boolean(rvalue);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Failed to parse '%s=', ignoring assignment: %s",
+ lvalue, rvalue);
+ return 0;
+ }
+
+ fqcd->ecn = r;
+ qdisc = NULL;
+
+ return 0;
+}
+
+int config_parse_tc_fair_queuing_controlled_delay_size(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
+ FairQueuingControlledDelay *fqcd;
+ Network *network = data;
+ uint64_t sz;
+ uint32_t *p;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = qdisc_new_static(QDISC_KIND_FQ_CODEL, network, filename, section_line, &qdisc);
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0)
+ return log_syntax(unit, LOG_ERR, filename, line, r,
+ "More than one kind of queueing discipline, ignoring assignment: %m");
+
+ fqcd = FQ_CODEL(qdisc);
+
+ if (streq(lvalue, "FairQueuingControlledDelayMemoryLimit"))
+ p = &fqcd->memory_limit;
+ else if (streq(lvalue, "FairQueuingControlledDelayQuantum"))
+ p = &fqcd->quantum;
+ else
+ assert_not_reached("Invalid lvalue.");
+
+ if (isempty(rvalue)) {
+ if (streq(lvalue, "FairQueuingControlledMemoryLimit"))
+ *p = UINT32_MAX;
+ else
+ *p = 0;
+
+ qdisc = NULL;
+ return 0;
+ }
+
+ r = parse_size(rvalue, 1024, &sz);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Failed to parse '%s=', ignoring assignment: %s",
+ lvalue, rvalue);
+ return 0;
+ }
+ if (sz >= UINT32_MAX) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Specified '%s=' is too large, ignoring assignment: %s",
+ lvalue, rvalue);
+ return 0;
+ }
+
+ *p = sz;
+ qdisc = NULL;
+
+ return 0;
+}
+
const QDiscVTable fq_codel_vtable = {
.object_size = sizeof(FairQueuingControlledDelay),
.tca_kind = "fq_codel",
+ .init = fair_queuing_controlled_delay_init,
.fill_message = fair_queuing_controlled_delay_fill_message,
};
projects / thirdparty / systemd.git / commitdiff
