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network: split TrafficControlQueueingDiscipline section into small pieces

Browse Source 
Closes #14763.
This commit is contained in:
Yu Watanabe
2020-02-04 21:45:29 +09:00
parent 90198bcbea
commit 18de0969c5
21 changed files with 617 additions and 502 deletions
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162
man/systemd.network.xml
View File

@@ -2263,10 +2263,11 @@
</refsect1>
<refsect1>
<title>[TrafficControlQueueingDiscipline] Section Options</title>
<para>The <literal>[TrafficControlQueueingDiscipline]</literal> section manages the Traffic control. It can be used
to configure the kernel packet scheduler and simulate packet delay and loss for UDP or TCP applications,
or limit the bandwidth usage of a particular service to simulate internet connections.</para>
<title>[NetworkEmulator] Section Options</title>
<para>The <literal>[NetworkEmulator]</literal> section manages the queueing discipline (qdisc) of
the network emulator. It can be used to configure the kernel packet scheduler and simulate packet
delay and loss for UDP or TCP applications, or limit the bandwidth usage of a particular service to
simulate internet connections.</para>
<variablelist class='network-directives'>
<varlistentry>
@@ -2278,7 +2279,7 @@
</varlistentry>
<varlistentry>
<term><varname>NetworkEmulatorDelaySec=</varname></term>
<term><varname>DelaySec=</varname></term>
<listitem>
<para>Specifies the fixed amount of delay to be added to all packets going out of the
interface. Defaults to unset.</para>
@@ -2286,7 +2287,7 @@
</varlistentry>
<varlistentry>
<term><varname>NetworkEmulatorDelayJitterSec=</varname></term>
<term><varname>DelayJitterSec=</varname></term>
<listitem>
<para>Specifies the chosen delay to be added to the packets outgoing to the network
interface. Defaults to unset.</para>
@@ -2294,7 +2295,7 @@
</varlistentry>
<varlistentry>
<term><varname>NetworkEmulatorPacketLimit=</varname></term>
<term><varname>PacketLimit=</varname></term>
<listitem>
<para>Specifies the maximum number of packets the qdisc may hold queued at a time.
An unsigned integer ranges 0 to 4294967294. Defaults to 1000.</para>
@@ -2302,7 +2303,7 @@
</varlistentry>
<varlistentry>
<term><varname>NetworkEmulatorLossRate=</varname></term>
<term><varname>LossRate=</varname></term>
<listitem>
<para>Specifies an independent loss probability to be added to the packets outgoing from the
network interface. Takes a percentage value, suffixed with "%". Defaults to unset.</para>
@@ -2310,15 +2311,31 @@
</varlistentry>
<varlistentry>
<term><varname>NetworkEmulatorDuplicateRate=</varname></term>
<term><varname>DuplicateRate=</varname></term>
<listitem>
<para>Specifies that the chosen percent of packets is duplicated before queuing them.
Takes a percentage value, suffixed with "%". Defaults to unset.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>[TokenBufferFilter] Section Options</title>
<para>The <literal>[TokenBufferFilter]</literal> section manages the queueing discipline (qdisc) of
token buffer filter (tbf).</para>
<variablelist class='network-directives'>
<varlistentry>
<term><varname>Parent=</varname></term>
<listitem>
<para>Specifies the parent Queueing Discipline (qdisc). Takes one of <literal>root</literal>,
<literal>clsact</literal> or <literal>ingress</literal>. Defaults to <literal>root</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterLatencySec=</varname></term>
<term><varname>LatencySec=</varname></term>
<listitem>
<para>Specifies the latency parameter, which specifies the maximum amount of time a
packet can sit in the Token Buffer Filter (TBF). Defaults to unset.</para>
@@ -2326,7 +2343,7 @@
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterLimitSize=</varname></term>
<term><varname>LimitSize=</varname></term>
<listitem>
<para>Takes the number of bytes that can be queued waiting for tokens to become available.
When the size is suffixed with K, M, or G, it is parsed as Kilobytes, Megabytes, or Gigabytes,
@@ -2335,7 +2352,7 @@
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterBurst=</varname></term>
<term><varname>Burst=</varname></term>
<listitem>
<para>Specifies the size of the bucket. This is the maximum amount of bytes that tokens
can be available for instantaneous transfer. When the size is suffixed with K, M, or G, it is
@@ -2345,7 +2362,7 @@
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterRate=</varname></term>
<term><varname>Rate=</varname></term>
<listitem>
<para>Specifies the device specific bandwidth. When suffixed with K, M, or G, the specified
bandwidth is parsed as Kilobits, Megabits, or Gigabits, respectively, to the base of 1000.
@@ -2354,7 +2371,7 @@
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterMPUBytes=</varname></term>
<term><varname>MPUBytes=</varname></term>
<listitem>
<para>The Minimum Packet Unit (MPU) determines the minimal token usage (specified in bytes)
for a packet. When suffixed with K, M, or G, the specified size is parsed as Kilobytes,
@@ -2363,7 +2380,7 @@
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterPeakRate=</varname></term>
<term><varname>PeakRate=</varname></term>
<listitem>
<para>Takes the maximum depletion rate of the bucket. When suffixed with K, M, or G, the
specified size is parsed as Kilobits, Megabits, or Gigabits, respectively, to the base of
@@ -2372,23 +2389,55 @@
</varlistentry>
<varlistentry>
<term><varname>TokenBufferFilterMTUBytes=</varname></term>
<term><varname>MTUBytes=</varname></term>
<listitem>
<para>Specifies the size of the peakrate bucket. When suffixed with K, M, or G, the specified
size is parsed as Kilobytes, Megabytes, or Gigabytes, respectively, to the base of 1000.
Defaults to unset.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>[StochasticFairnessQueueing] Section Options</title>
<para>The <literal>[StochasticFairnessQueueing]</literal> section manages the queueing discipline
(qdisc) of stochastic fairness queueing (sfq).</para>
<variablelist class='network-directives'>
<varlistentry>
<term><varname>StochasticFairnessQueueingPerturbPeriodSec=</varname></term>
<term><varname>Parent=</varname></term>
<listitem>
<para>Specifies the interval in seconds for queue algorithm perturbation. Defaults to unset.</para>
<para>Specifies the parent Queueing Discipline (qdisc). Takes one of <literal>root</literal>,
<literal>clsact</literal> or <literal>ingress</literal>. Defaults to <literal>root</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>ControlledDelayPacketLimit=</varname></term>
<term><varname>PerturbPeriodSec=</varname></term>
<listitem>
<para>Specifies the interval in seconds for queue algorithm perturbation. Defaults to unset.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>[ControlledDelay] Section Options</title>
<para>The <literal>[ControlledDelay]</literal> section manages the queueing discipline (qdisc) of
controlled delay (CoDel).</para>
<variablelist class='network-directives'>
<varlistentry>
<term><varname>Parent=</varname></term>
<listitem>
<para>Specifies the parent Queueing Discipline (qdisc). Takes one of <literal>root</literal>,
<literal>clsact</literal> or <literal>ingress</literal>. Defaults to <literal>root</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>PacketLimit=</varname></term>
<listitem>
<para>Specifies the hard lmit on the queue size in number of packets. When this limit is reached, incoming packets are
dropped. An unsigned integer ranges 0 to 4294967294. Defaults to unset and kernel's default is used.</para>
@@ -2396,7 +2445,7 @@
</varlistentry>
<varlistentry>
<term><varname>ControlledDelayTargetSec=</varname></term>
<term><varname>TargetSec=</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>
@@ -2404,7 +2453,7 @@
</varlistentry>
<varlistentry>
<term><varname>ControlledDelayIntervalSec=</varname></term>
<term><varname>IntervalSec=</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>
@@ -2412,7 +2461,7 @@
</varlistentry>
<varlistentry>
<term><varname>ControlledDelayECN=</varname></term>
<term><varname>ECN=</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>
@@ -2420,15 +2469,31 @@
</varlistentry>
<varlistentry>
<term><varname>ControlledDelayCEThresholdSec=</varname></term>
<term><varname>CEThresholdSec=</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>
</variablelist>
</refsect1>
<refsect1>
<title>[FairQueueingControlledDelay] Section Options</title>
<para>The <literal>[FairQueueingControlledDelay]</literal> section manages the queueing discipline
(qdisc) of fair queuing controlled delay (FQ-CoDel).</para>
<variablelist class='network-directives'>
<varlistentry>
<term><varname>Parent=</varname></term>
<listitem>
<para>Specifies the parent Queueing Discipline (qdisc). Takes one of <literal>root</literal>,
<literal>clsact</literal> or <literal>ingress</literal>. Defaults to <literal>root</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayPacketLimit=</varname></term>
<term><varname>PacketLimit=</varname></term>
<listitem>
<para>Specifies the hard limit on the real queue size. When this limit is reached, incoming packets are
dropped. Defaults to unset and kernel's default is used.</para>
@@ -2436,7 +2501,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayMemoryLimit=</varname></term>
<term><varname>MemoryLimit=</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,
@@ -2445,7 +2510,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayFlows=</varname></term>
<term><varname>Flows=</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>
@@ -2453,7 +2518,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayTargetSec=</varname></term>
<term><varname>TargetSec=</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>
@@ -2461,7 +2526,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayIntervalSec=</varname></term>
<term><varname>IntervalSec=</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>
@@ -2469,7 +2534,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayQuantum=</varname></term>
<term><varname>Quantum=</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,
@@ -2478,7 +2543,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayECN=</varname></term>
<term><varname>ECN=</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>
@@ -2486,15 +2551,31 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueuingControlledDelayCEThresholdSec=</varname></term>
<term><varname>CEThresholdSec=</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>
</variablelist>
</refsect1>
<refsect1>
<title>[FairQueueTrafficPolicing] Section Options</title>
<para>The <literal>[FairQueueTrafficPolicing]</literal> section manages the queueing discipline
(qdisc) of fair queue traffic policing (FQ).</para>
<variablelist class='network-directives'>
<varlistentry>
<term><varname>Parent=</varname></term>
<listitem>
<para>Specifies the parent Queueing Discipline (qdisc). Takes one of <literal>root</literal>,
<literal>clsact</literal> or <literal>ingress</literal>. Defaults to <literal>root</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingPacketLimit=</varname></term>
<term><varname>PacketLimit=</varname></term>
<listitem>
<para>Specifies the hard limit on the real queue size. When this limit is reached, incoming packets are
dropped. Defaults to unset and kernel's default is used.</para>
@@ -2502,7 +2583,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingFlowLimit=</varname></term>
<term><varname>FlowLimit=</varname></term>
<listitem>
<para>Specifies the hard limit on the maximum number of packets queued per flow. Defaults to
unset and kernel's default is used.</para>
@@ -2510,7 +2591,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingQuantum=</varname></term>
<term><varname>Quantum=</varname></term>
<listitem>
<para>Specifies the credit per dequeue RR round, i.e. the amount of bytes a flow is allowed
to dequeue at once. When suffixed with K, M, or G, the specified size is parsed as Kilobytes,
@@ -2520,7 +2601,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingInitialQuantum=</varname></term>
<term><varname>InitialQuantum=</varname></term>
<listitem>
<para>Specifies the initial sending rate credit, i.e. the amount of bytes a new flow is
allowed to dequeue initially. When suffixed with K, M, or G, the specified size is parsed as
@@ -2530,7 +2611,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingMaximumRate=</varname></term>
<term><varname>MaximumRate=</varname></term>
<listitem>
<para>Specifies the maximum sending rate of a flow. When suffixed with K, M, or G, the
specified size is parsed as Kilobits, Megabits, or Gigabits, respectively, to the base of
@@ -2539,7 +2620,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingBuckets=</varname></term>
<term><varname>Buckets=</varname></term>
<listitem>
<para>Specifies the size of the hash table used for flow lookups. Defaults to unset and
kernel's default is used.</para>
@@ -2547,7 +2628,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingOrphanMask=</varname></term>
<term><varname>OrphanMask=</varname></term>
<listitem>
<para>Takes an unsigned integer. For packets not owned by a socket, fq is able to mask a part
of hash and reduce number of buckets associated with the traffic. Defaults to unset and
@@ -2556,7 +2637,7 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingPacing=</varname></term>
<term><varname>Pacing=</varname></term>
<listitem>
<para>Takes a boolean, and enables or disables flow pacing. Defaults to unset and kernel's
default is used.</para>
@@ -2564,13 +2645,12 @@
</varlistentry>
<varlistentry>
<term><varname>FairQueueTrafficPolicingCEThresholdSec=</varname></term>
<term><varname>CEThresholdSec=</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>
</variablelist>
</refsect1>

585
src/network/networkd-network-gperf.gperf
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File diff suppressed because it is too large Load Diff

8
src/network/networkd-network.c
View File

@@ -481,7 +481,13 @@ int network_load_one(Manager *manager, OrderedHashmap **networks, const char *fi
"IPv6Prefix\0"
"IPv6RoutePrefix\0"
"TrafficControlQueueingDiscipline\0"
"CAN\0",
"CAN\0"
"ControlledDelay\0"
"FairQueueTrafficPolicing\0"
"FairQueueingControlledDelay\0"
"NetworkEmulator\0"
"StochasticFairnessQueueing\0"
"TokenBufferFilter\0",
config_item_perf_lookup, network_network_gperf_lookup,
CONFIG_PARSE_WARN, network);
if (r < 0)

14
src/network/tc/codel.c
View File

@@ -74,7 +74,7 @@ static int controlled_delay_fill_message(Link *link, QDisc *qdisc, sd_netlink_me
return 0;
}
int config_parse_tc_controlled_delay_u32(
int config_parse_controlled_delay_u32(
const char *unit,
const char *filename,
unsigned line,
@@ -125,7 +125,7 @@ int config_parse_tc_controlled_delay_u32(
return 0;
}
int config_parse_tc_controlled_delay_usec(
int config_parse_controlled_delay_usec(
const char *unit,
const char *filename,
unsigned line,
@@ -157,17 +157,17 @@ int config_parse_tc_controlled_delay_usec(
cd = CODEL(qdisc);
if (streq(lvalue, "ControlledDelayTargetSec"))
if (streq(lvalue, "TargetSec"))
p = &cd->target_usec;
else if (streq(lvalue, "ControlledDelayIntervalSec"))
else if (streq(lvalue, "IntervalSec"))
p = &cd->interval_usec;
else if (streq(lvalue, "ControlledDelayCEThresholdSec"))
else if (streq(lvalue, "CEThresholdSec"))
p = &cd->ce_threshold_usec;
else
assert_not_reached("Invalid lvalue");
if (isempty(rvalue)) {
if (streq(lvalue, "ControlledDelayCEThresholdSec"))
if (streq(lvalue, "CEThresholdSec"))
*p = USEC_INFINITY;
else
*p = 0;
@@ -189,7 +189,7 @@ int config_parse_tc_controlled_delay_usec(
return 0;
}
int config_parse_tc_controlled_delay_bool(
int config_parse_controlled_delay_bool(
const char *unit,
const char *filename,
unsigned line,

6
src/network/tc/codel.h
View File

@@ -19,6 +19,6 @@ typedef struct ControlledDelay {
DEFINE_QDISC_CAST(CODEL, ControlledDelay);
extern const QDiscVTable codel_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_tc_controlled_delay_u32);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_controlled_delay_usec);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_controlled_delay_bool);
CONFIG_PARSER_PROTOTYPE(config_parse_controlled_delay_u32);
CONFIG_PARSER_PROTOTYPE(config_parse_controlled_delay_usec);
CONFIG_PARSER_PROTOTYPE(config_parse_controlled_delay_bool);

48
src/network/tc/fq-codel.c
View File

@@ -10,8 +10,8 @@
#include "qdisc.h"
#include "string-util.h"
static int fair_queuing_controlled_delay_init(QDisc *qdisc) {
FairQueuingControlledDelay *fqcd;
static int fair_queueing_controlled_delay_init(QDisc *qdisc) {
FairQueueingControlledDelay *fqcd;
assert(qdisc);
@@ -24,8 +24,8 @@ static int fair_queuing_controlled_delay_init(QDisc *qdisc) {
return 0;
}
static int fair_queuing_controlled_delay_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
FairQueuingControlledDelay *fqcd;
static int fair_queueing_controlled_delay_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
FairQueueingControlledDelay *fqcd;
int r;
assert(link);
@@ -93,7 +93,7 @@ static int fair_queuing_controlled_delay_fill_message(Link *link, QDisc *qdisc,
return 0;
}
int config_parse_tc_fair_queuing_controlled_delay_u32(
int config_parse_fair_queueing_controlled_delay_u32(
const char *unit,
const char *filename,
unsigned line,
@@ -106,7 +106,7 @@ int config_parse_tc_fair_queuing_controlled_delay_u32(
void *userdata) {
_cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
FairQueuingControlledDelay *fqcd;
FairQueueingControlledDelay *fqcd;
Network *network = data;
uint32_t *p;
int r;
@@ -125,9 +125,9 @@ int config_parse_tc_fair_queuing_controlled_delay_u32(
fqcd = FQ_CODEL(qdisc);
if (streq(lvalue, "FairQueuingControlledDelayPacketLimit"))
if (streq(lvalue, "PacketLimit"))
p = &fqcd->packet_limit;
else if (streq(lvalue, "FairQueuingControlledDelayFlows"))
else if (streq(lvalue, "Flows"))
p = &fqcd->flows;
else
assert_not_reached("Invalid lvalue.");
@@ -152,7 +152,7 @@ int config_parse_tc_fair_queuing_controlled_delay_u32(
return 0;
}
int config_parse_tc_fair_queuing_controlled_delay_usec(
int config_parse_fair_queueing_controlled_delay_usec(
const char *unit,
const char *filename,
unsigned line,
@@ -165,7 +165,7 @@ int config_parse_tc_fair_queuing_controlled_delay_usec(
void *userdata) {
_cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
FairQueuingControlledDelay *fqcd;
FairQueueingControlledDelay *fqcd;
Network *network = data;
usec_t *p;
int r;
@@ -184,17 +184,17 @@ int config_parse_tc_fair_queuing_controlled_delay_usec(
fqcd = FQ_CODEL(qdisc);
if (streq(lvalue, "FairQueuingControlledDelayTargetSec"))
if (streq(lvalue, "TargetSec"))
p = &fqcd->target_usec;
else if (streq(lvalue, "FairQueuingControlledDelayIntervalSec"))
else if (streq(lvalue, "IntervalSec"))
p = &fqcd->interval_usec;
else if (streq(lvalue, "FairQueuingControlledDelayCEThresholdSec"))
else if (streq(lvalue, "CEThresholdSec"))
p = &fqcd->ce_threshold_usec;
else
assert_not_reached("Invalid lvalue.");
if (isempty(rvalue)) {
if (streq(lvalue, "FairQueuingControlledDelayCEThresholdSec"))
if (streq(lvalue, "CEThresholdSec"))
*p = USEC_INFINITY;
else
*p = 0;
@@ -216,7 +216,7 @@ int config_parse_tc_fair_queuing_controlled_delay_usec(
return 0;
}
int config_parse_tc_fair_queuing_controlled_delay_bool(
int config_parse_fair_queueing_controlled_delay_bool(
const char *unit,
const char *filename,
unsigned line,
@@ -229,7 +229,7 @@ int config_parse_tc_fair_queuing_controlled_delay_bool(
void *userdata) {
_cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
FairQueuingControlledDelay *fqcd;
FairQueueingControlledDelay *fqcd;
Network *network = data;
int r;
@@ -268,7 +268,7 @@ int config_parse_tc_fair_queuing_controlled_delay_bool(
return 0;
}
int config_parse_tc_fair_queuing_controlled_delay_size(
int config_parse_fair_queueing_controlled_delay_size(
const char *unit,
const char *filename,
unsigned line,
@@ -281,7 +281,7 @@ int config_parse_tc_fair_queuing_controlled_delay_size(
void *userdata) {
_cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
FairQueuingControlledDelay *fqcd;
FairQueueingControlledDelay *fqcd;
Network *network = data;
uint64_t sz;
uint32_t *p;
@@ -301,15 +301,15 @@ int config_parse_tc_fair_queuing_controlled_delay_size(
fqcd = FQ_CODEL(qdisc);
if (streq(lvalue, "FairQueuingControlledDelayMemoryLimit"))
if (streq(lvalue, "MemoryLimit"))
p = &fqcd->memory_limit;
else if (streq(lvalue, "FairQueuingControlledDelayQuantum"))
else if (streq(lvalue, "Quantum"))
p = &fqcd->quantum;
else
assert_not_reached("Invalid lvalue.");
if (isempty(rvalue)) {
if (streq(lvalue, "FairQueuingControlledMemoryLimit"))
if (streq(lvalue, "MemoryLimit"))
*p = UINT32_MAX;
else
*p = 0;
@@ -339,8 +339,8 @@ int config_parse_tc_fair_queuing_controlled_delay_size(
}
const QDiscVTable fq_codel_vtable = {
.object_size = sizeof(FairQueuingControlledDelay),
.object_size = sizeof(FairQueueingControlledDelay),
.tca_kind = "fq_codel",
.init = fair_queuing_controlled_delay_init,
.fill_message = fair_queuing_controlled_delay_fill_message,
.init = fair_queueing_controlled_delay_init,
.fill_message = fair_queueing_controlled_delay_fill_message,
};

14
src/network/tc/fq-codel.h
View File

@@ -6,7 +6,7 @@
#include "qdisc.h"
#include "time-util.h"
typedef struct FairQueuingControlledDelay {
typedef struct FairQueueingControlledDelay {
QDisc meta;
uint32_t packet_limit;
@@ -17,12 +17,12 @@ typedef struct FairQueuingControlledDelay {
usec_t interval_usec;
usec_t ce_threshold_usec;
int ecn;
} FairQueuingControlledDelay;
} FairQueueingControlledDelay;
DEFINE_QDISC_CAST(FQ_CODEL, FairQueuingControlledDelay);
DEFINE_QDISC_CAST(FQ_CODEL, FairQueueingControlledDelay);
extern const QDiscVTable fq_codel_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queuing_controlled_delay_u32);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queuing_controlled_delay_usec);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queuing_controlled_delay_bool);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queuing_controlled_delay_size);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queueing_controlled_delay_u32);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queueing_controlled_delay_usec);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queueing_controlled_delay_bool);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queueing_controlled_delay_size);

22
src/network/tc/fq.c
View File

@@ -102,7 +102,7 @@ static int fair_queue_traffic_policing_fill_message(Link *link, QDisc *qdisc, sd
return 0;
}
int config_parse_tc_fair_queue_traffic_policing_u32(
int config_parse_fair_queue_traffic_policing_u32(
const char *unit,
const char *filename,
unsigned line,
@@ -134,13 +134,13 @@ int config_parse_tc_fair_queue_traffic_policing_u32(
fq = FQ(qdisc);
if (streq(lvalue, "FairQueueTrafficPolicingPacketLimit"))
if (streq(lvalue, "PacketLimit"))
p = &fq->packet_limit;
else if (streq(lvalue, "FairQueueTrafficPolicingFlowLimit"))
else if (streq(lvalue, "FlowLimit"))
p = &fq->flow_limit;
else if (streq(lvalue, "FairQueueTrafficPolicingBuckets"))
else if (streq(lvalue, "Buckets"))
p = &fq->buckets;
else if (streq(lvalue, "FairQueueTrafficPolicingOrphanMask"))
else if (streq(lvalue, "OrphanMask"))
p = &fq->orphan_mask;
else
assert_not_reached("Invalid lvalue");
@@ -165,7 +165,7 @@ int config_parse_tc_fair_queue_traffic_policing_u32(
return 0;
}
int config_parse_tc_fair_queue_traffic_policing_size(
int config_parse_fair_queue_traffic_policing_size(
const char *unit,
const char *filename,
unsigned line,
@@ -198,9 +198,9 @@ int config_parse_tc_fair_queue_traffic_policing_size(
fq = FQ(qdisc);
if (streq(lvalue, "FairQueueTrafficPolicingQuantum"))
if (streq(lvalue, "Quantum"))
p = &fq->quantum;
else if (streq(lvalue, "FairQueueTrafficPolicingInitialQuantum"))
else if (streq(lvalue, "InitialQuantum"))
p = &fq->initial_quantum;
else
assert_not_reached("Invalid lvalue");
@@ -232,7 +232,7 @@ int config_parse_tc_fair_queue_traffic_policing_size(
return 0;
}
int config_parse_tc_fair_queue_traffic_policing_bool(
int config_parse_fair_queue_traffic_policing_bool(
const char *unit,
const char *filename,
unsigned line,
@@ -284,7 +284,7 @@ int config_parse_tc_fair_queue_traffic_policing_bool(
return 0;
}
int config_parse_tc_fair_queue_traffic_policing_usec(
int config_parse_fair_queue_traffic_policing_usec(
const char *unit,
const char *filename,
unsigned line,
@@ -343,7 +343,7 @@ int config_parse_tc_fair_queue_traffic_policing_usec(
return 0;
}
int config_parse_tc_fair_queue_traffic_policing_max_rate(
int config_parse_fair_queue_traffic_policing_max_rate(
const char *unit,
const char *filename,
unsigned line,

10
src/network/tc/fq.h
View File

@@ -22,8 +22,8 @@ typedef struct FairQueueTrafficPolicing {
DEFINE_QDISC_CAST(FQ, FairQueueTrafficPolicing);
extern const QDiscVTable fq_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queue_traffic_policing_u32);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queue_traffic_policing_size);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queue_traffic_policing_bool);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queue_traffic_policing_usec);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_fair_queue_traffic_policing_max_rate);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queue_traffic_policing_u32);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queue_traffic_policing_size);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queue_traffic_policing_bool);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queue_traffic_policing_usec);
CONFIG_PARSER_PROTOTYPE(config_parse_fair_queue_traffic_policing_max_rate);

28
src/network/tc/netem.c
View File

@@ -10,7 +10,7 @@
#include "networkd-manager.h"
#include "parse-util.h"
#include "qdisc.h"
#include "string-util.h"
#include "strv.h"
#include "tc-util.h"
static int network_emulator_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
@@ -54,7 +54,7 @@ static int network_emulator_fill_message(Link *link, QDisc *qdisc, sd_netlink_me
return 0;
}
int config_parse_tc_network_emulator_delay(
int config_parse_network_emulator_delay(
const char *unit,
const char *filename,
unsigned line,
@@ -87,9 +87,9 @@ int config_parse_tc_network_emulator_delay(
ne = NETEM(qdisc);
if (isempty(rvalue)) {
if (streq(lvalue, "NetworkEmulatorDelaySec"))
if (STR_IN_SET(lvalue, "DelaySec", "NetworkEmulatorDelaySec"))
ne->delay = USEC_INFINITY;
else if (streq(lvalue, "NetworkEmulatorDelayJitterSec"))
else if (STR_IN_SET(lvalue, "DelayJitterSec", "NetworkEmulatorDelayJitterSec"))
ne->jitter = USEC_INFINITY;
qdisc = NULL;
@@ -104,9 +104,9 @@ int config_parse_tc_network_emulator_delay(
return 0;
}
if (streq(lvalue, "NetworkEmulatorDelaySec"))
if (STR_IN_SET(lvalue, "DelaySec", "NetworkEmulatorDelaySec"))
ne->delay = u;
else if (streq(lvalue, "NetworkEmulatorDelayJitterSec"))
else if (STR_IN_SET(lvalue, "DelayJitterSec", "NetworkEmulatorDelayJitterSec"))
ne->jitter = u;
qdisc = NULL;
@@ -114,7 +114,7 @@ int config_parse_tc_network_emulator_delay(
return 0;
}
int config_parse_tc_network_emulator_rate(
int config_parse_network_emulator_rate(
const char *unit,
const char *filename,
unsigned line,
@@ -147,9 +147,9 @@ int config_parse_tc_network_emulator_rate(
ne = NETEM(qdisc);
if (isempty(rvalue)) {
if (streq(lvalue, "NetworkEmulatorLossRate"))
if (STR_IN_SET(lvalue, "LossRate", "NetworkEmulatorLossRate"))
ne->loss = 0;
else if (streq(lvalue, "NetworkEmulatorDuplicateRate"))
else if (STR_IN_SET(lvalue, "DuplicateRate", "NetworkEmulatorDuplicateRate"))
ne->duplicate = 0;
qdisc = NULL;
@@ -164,16 +164,16 @@ int config_parse_tc_network_emulator_rate(
return 0;
}
if (streq(lvalue, "NetworkEmulatorLossRate"))
if (STR_IN_SET(lvalue, "LossRate", "NetworkEmulatorLossRate"))
ne->loss = rate;
else if (streq(lvalue, "NetworkEmulatorDuplicateRate"))
else if (STR_IN_SET(lvalue, "DuplicateRate", "NetworkEmulatorDuplicateRate"))
ne->duplicate = rate;
qdisc = NULL;
return 0;
}
int config_parse_tc_network_emulator_packet_limit(
int config_parse_network_emulator_packet_limit(
const char *unit,
const char *filename,
unsigned line,
@@ -214,8 +214,8 @@ int config_parse_tc_network_emulator_packet_limit(
r = safe_atou(rvalue, &ne->limit);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r,
"Failed to parse 'NetworkEmulatorPacketLimit=', ignoring assignment: %s",
rvalue);
"Failed to parse '%s=', ignoring assignment: %s",
lvalue, rvalue);
return 0;
}

6
src/network/tc/netem.h
View File

@@ -20,6 +20,6 @@ typedef struct NetworkEmulator {
DEFINE_QDISC_CAST(NETEM, NetworkEmulator);
extern const QDiscVTable netem_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_tc_network_emulator_delay);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_network_emulator_rate);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_network_emulator_packet_limit);
CONFIG_PARSER_PROTOTYPE(config_parse_network_emulator_delay);
CONFIG_PARSER_PROTOTYPE(config_parse_network_emulator_rate);
CONFIG_PARSER_PROTOTYPE(config_parse_network_emulator_packet_limit);

5
src/network/tc/qdisc.c
View File

@@ -234,7 +234,7 @@ int qdisc_section_verify(QDisc *qdisc, bool *has_root, bool *has_clsact) {
return 0;
}
int config_parse_tc_qdiscs_parent(
int config_parse_qdisc_parent(
const char *unit,
const char *filename,
unsigned line,
@@ -254,8 +254,9 @@ int config_parse_tc_qdiscs_parent(
assert(lvalue);
assert(rvalue);
assert(data);
assert(ltype >= 0 && ltype < _QDISC_KIND_MAX);
r = qdisc_new_static(_QDISC_KIND_INVALID, network, filename, section_line, &qdisc);
r = qdisc_new_static(ltype, network, filename, section_line, &qdisc);
if (r < 0)
return r;

2
src/network/tc/qdisc.h
View File

@@ -63,7 +63,7 @@ int qdisc_section_verify(QDisc *qdisc, bool *has_root, bool *has_clsact);
DEFINE_NETWORK_SECTION_FUNCTIONS(QDisc, qdisc_free);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_qdiscs_parent);
CONFIG_PARSER_PROTOTYPE(config_parse_qdisc_parent);
#include "codel.h"
#include "fq-codel.h"

2
src/network/tc/sfq.c
View File

@@ -31,7 +31,7 @@ static int stochastic_fairness_queueing_fill_message(Link *link, QDisc *qdisc, s
return 0;
}
int config_parse_tc_stochastic_fairness_queueing_perturb_period(
int config_parse_stochastic_fairness_queueing_perturb_period(
const char *unit,
const char *filename,
unsigned line,

2
src/network/tc/sfq.h
View File

@@ -15,4 +15,4 @@ typedef struct StochasticFairnessQueueing {
DEFINE_QDISC_CAST(SFQ, StochasticFairnessQueueing);
extern const QDiscVTable sfq_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_tc_stochastic_fairness_queueing_perturb_period);
CONFIG_PARSER_PROTOTYPE(config_parse_stochastic_fairness_queueing_perturb_period);

48
src/network/tc/tbf.c
View File

@@ -110,7 +110,7 @@ static int token_buffer_filter_fill_message(Link *link, QDisc *qdisc, sd_netlink
return 0;
}
int config_parse_tc_token_buffer_filter_size(
int config_parse_token_buffer_filter_size(
const char *unit,
const char *filename,
unsigned line,
@@ -143,17 +143,17 @@ int config_parse_tc_token_buffer_filter_size(
tbf = TBF(qdisc);
if (isempty(rvalue)) {
if (streq(lvalue, "TokenBufferFilterRate"))
if (streq(lvalue, "Rate"))
tbf->rate = 0;
else if (streq(lvalue, "TokenBufferFilterBurst"))
else if (streq(lvalue, "Burst"))
tbf->burst = 0;
else if (streq(lvalue, "TokenBufferFilterLimitSize"))
else if (streq(lvalue, "LimitSize"))
tbf->limit = 0;
else if (streq(lvalue, "TokenBufferFilterMTUBytes"))
else if (streq(lvalue, "MTUBytes"))
tbf->mtu = 0;
else if (streq(lvalue, "TokenBufferFilterMPUBytes"))
else if (streq(lvalue, "MPUBytes"))
tbf->mpu = 0;
else if (streq(lvalue, "TokenBufferFilterPeakRate"))
else if (streq(lvalue, "PeakRate"))
tbf->peak_rate = 0;
qdisc = NULL;
@@ -168,17 +168,17 @@ int config_parse_tc_token_buffer_filter_size(
return 0;
}
if (streq(lvalue, "TokenBufferFilterRate"))
if (streq(lvalue, "Rate"))
tbf->rate = k / 8;
else if (streq(lvalue, "TokenBufferFilterBurst"))
else if (streq(lvalue, "Burst"))
tbf->burst = k;
else if (streq(lvalue, "TokenBufferFilterLimitSize"))
else if (streq(lvalue, "LimitSize"))
tbf->limit = k;
else if (streq(lvalue, "TokenBufferFilterMPUBytes"))
else if (streq(lvalue, "MPUBytes"))
tbf->mpu = k;
else if (streq(lvalue, "TokenBufferFilterMTUBytes"))
else if (streq(lvalue, "MTUBytes"))
tbf->mtu = k;
else if (streq(lvalue, "TokenBufferFilterPeakRate"))
else if (streq(lvalue, "PeakRate"))
tbf->peak_rate = k / 8;
qdisc = NULL;
@@ -186,7 +186,7 @@ int config_parse_tc_token_buffer_filter_size(
return 0;
}
int config_parse_tc_token_buffer_filter_latency(
int config_parse_token_buffer_filter_latency(
const char *unit,
const char *filename,
unsigned line,
@@ -245,32 +245,32 @@ static int token_buffer_filter_verify(QDisc *qdisc) {
if (tbf->limit > 0 && tbf->latency > 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: Specifying both TokenBufferFilterLimitSize= and TokenBufferFilterLatencySec= is not allowed. "
"Ignoring [TrafficControlQueueingDiscipline] section from line %u.",
"%s: Specifying both LimitSize= and LatencySec= is not allowed. "
"Ignoring [TokenBufferFilter] section from line %u.",
qdisc->section->filename, qdisc->section->line);
if (tbf->limit == 0 && tbf->latency == 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: Either TokenBufferFilterLimitSize= or TokenBufferFilterLatencySec= is required. "
"Ignoring [TrafficControlQueueingDiscipline] section from line %u.",
"%s: Either LimitSize= or LatencySec= is required. "
"Ignoring [TokenBufferFilter] section from line %u.",
qdisc->section->filename, qdisc->section->line);
if (tbf->rate == 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: TokenBufferFilterRate= is mandatory. "
"Ignoring [TrafficControlQueueingDiscipline] section from line %u.",
"%s: Rate= is mandatory. "
"Ignoring [TokenBufferFilter] section from line %u.",
qdisc->section->filename, qdisc->section->line);
if (tbf->burst == 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: TokenBufferFilterBurst= is mandatory. "
"Ignoring [TrafficControlQueueingDiscipline] section from line %u.",
"%s: Burst= is mandatory. "
"Ignoring [TokenBufferFilter] section from line %u.",
qdisc->section->filename, qdisc->section->line);
if (tbf->peak_rate > 0 && tbf->mtu == 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: TokenBufferFilterMTUBytes= is mandatory when TokenBufferFilterPeakRate= is specified. "
"Ignoring [TrafficControlQueueingDiscipline] section from line %u.",
"%s: MTUBytes= is mandatory when PeakRate= is specified. "
"Ignoring [TokenBufferFilter] section from line %u.",
qdisc->section->filename, qdisc->section->line);
return 0;

4
src/network/tc/tbf.h
View File

@@ -21,5 +21,5 @@ typedef struct TokenBufferFilter {
DEFINE_QDISC_CAST(TBF, TokenBufferFilter);
extern const QDiscVTable tbf_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_tc_token_buffer_filter_latency);
CONFIG_PARSER_PROTOTYPE(config_parse_tc_token_buffer_filter_size);
CONFIG_PARSER_PROTOTYPE(config_parse_token_buffer_filter_latency);
CONFIG_PARSER_PROTOTYPE(config_parse_token_buffer_filter_size);

77
test/fuzz/fuzz-network-parser/directives.network
View File

@@ -270,6 +270,53 @@ SendOption=
[NextHop]
Id=
Gateway=
[NetworkEmulator]
Parent=
DelaySec=
DelayJitterSec=
LossRate=
DuplicateRate=
PacketLimit=
[TokenBufferFilter]
Parent=
Rate=
Burst=
LimitSize=
MTUBytes=
MPUBytes=
PeakRate=
LatencySec=
[StochasticFairnessQueueing]
Parent=
PerturbPeriodSec=
[FairQueueingControlledDelay]
Parent=
PacketLimit=
MemoryLimit=
Flows=
Quantum=
TargetSec=
IntervalSec=
CEThresholdSec=
ECN=
[FairQueueTrafficPolicing]
Parent=
PacketLimit=
FlowLimit=
Quantum=
InitialQuantum=
MaximumRate=
Buckets=
OrphanMask=
Pacing=
CEThresholdSec=
[ControlledDelay]
Parent=
PacketLimit=
TargetSec=
IntervalSec=
CEThresholdSec=
ECN=
[TrafficControlQueueingDiscipline]
Parent=
NetworkEmulatorDelaySec=
@@ -277,33 +324,3 @@ NetworkEmulatorDelayJitterSec=
NetworkEmulatorLossRate=
NetworkEmulatorDuplicateRate=
NetworkEmulatorPacketLimit=
TokenBufferFilterRate=
TokenBufferFilterBurst=
TokenBufferFilterLimitSize=
TokenBufferFilterMTUBytes=
TokenBufferFilterMPUBytes=
TokenBufferFilterPeakRate=
TokenBufferFilterLatencySec=
StochasticFairnessQueueingPerturbPeriodSec=
FairQueuingControlledDelayPacketLimit=
FairQueuingControlledDelayMemoryLimit=
FairQueuingControlledDelayFlows=
FairQueuingControlledDelayQuantum=
FairQueuingControlledDelayTargetSec=
FairQueuingControlledDelayIntervalSec=
FairQueuingControlledDelayCEThresholdSec=
FairQueuingControlledDelayECN=
FairQueueTrafficPolicingPacketLimit=
FairQueueTrafficPolicingFlowLimit=
FairQueueTrafficPolicingQuantum=
FairQueueTrafficPolicingInitialQuantum=
FairQueueTrafficPolicingMaximumRate=
FairQueueTrafficPolicingBuckets=
FairQueueTrafficPolicingOrphanMask=
FairQueueTrafficPolicingPacing=
FairQueueTrafficPolicingCEThresholdSec=
ControlledDelayPacketLimit=
ControlledDelayTargetSec=
ControlledDelayIntervalSec=
ControlledDelayCEThresholdSec=
ControlledDelayECN=

32
test/test-network/conf/25-qdisc-fq-codel.network
View File

@@ -5,22 +5,22 @@ Name=dummy98
IPv6AcceptRA=no
Address=10.1.2.3/16
[TrafficControlQueueingDiscipline]
[FairQueueTrafficPolicing]
Parent=root
FairQueueTrafficPolicingPacketLimit=1000
FairQueueTrafficPolicingFlowLimit=200
FairQueueTrafficPolicingQuantum=1500
FairQueueTrafficPolicingInitialQuantum=13000
FairQueueTrafficPolicingMaximumRate=1M
FairQueueTrafficPolicingBuckets=512
FairQueueTrafficPolicingOrphanMask=511
FairQueueTrafficPolicingPacing=yes
FairQueueTrafficPolicingCEThresholdSec=100ms
PacketLimit=1000
FlowLimit=200
Quantum=1500
InitialQuantum=13000
MaximumRate=1M
Buckets=512
OrphanMask=511
Pacing=yes
CEThresholdSec=100ms
[TrafficControlQueueingDiscipline]
[ControlledDelay]
Parent=clsact
ControlledDelayPacketLimit=2000
ControlledDelayTargetSec=10ms
ControlledDelayIntervalSec=50ms
ControlledDelayECN=yes
ControlledDelayCEThresholdSec=100ms
PacketLimit=2000
TargetSec=10ms
IntervalSec=50ms
ECN=yes
CEThresholdSec=100ms

28
test/test-network/conf/25-qdisc-netem-and-fqcodel.network
View File

@@ -5,20 +5,20 @@ Name=dummy98
IPv6AcceptRA=no
Address=10.1.2.3/16
[TrafficControlQueueingDiscipline]
[NetworkEmulator]
Parent=root
NetworkEmulatorDelaySec=50ms
NetworkEmulatorDelayJitterSec=10ms
NetworkEmulatorLossRate=20%
NetworkEmulatorPacketLimit=100
DelaySec=50ms
DelayJitterSec=10ms
LossRate=20%
PacketLimit=100
[TrafficControlQueueingDiscipline]
[FairQueueingControlledDelay]
Parent=ingress
FairQueuingControlledDelayPacketLimit=20480
FairQueuingControlledDelayMemoryLimit=64M
FairQueuingControlledDelayFlows=2048
FairQueuingControlledDelayTargetSec=10ms
FairQueuingControlledDelayIntervalSec=200ms
FairQueuingControlledDelayQuantum=1400
FairQueuingControlledDelayECN=yes
FairQueuingControlledDelayCEThresholdSec=100ms
PacketLimit=20480
MemoryLimit=64M
Flows=2048
TargetSec=10ms
IntervalSec=200ms
Quantum=1400
ECN=yes
CEThresholdSec=100ms

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