Family tc netlink specification

Summary

Netlink raw family for tc qdisc, chain, class and filter configuration over rtnetlink.

Operations

newqdisc

Create new tc qdisc.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[kind, options, rate, chain, ingress-block, egress-block]

delqdisc

Delete existing tc qdisc.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

getqdisc

Get / dump tc qdisc information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[dump-invisible]

reply

attributes:

[kind, options, stats, xstats, rate, fcnt, stats2, stab, chain, ingress-block, egress-block]

dump:

request

attributes:

[dump-invisible]

reply

attributes:

[kind, options, stats, xstats, rate, fcnt, stats2, stab, chain, ingress-block, egress-block]

newtclass

Get / dump tc traffic class information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[kind, options, rate, chain, ingress-block, egress-block]

deltclass

Get / dump tc traffic class information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

gettclass

Get / dump tc traffic class information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

reply

attributes:

[kind, options, stats, xstats, rate, fcnt, stats2, stab, chain, ingress-block, egress-block]

newtfilter

Get / dump tc filter information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[kind, options, rate, chain, ingress-block, egress-block]

deltfilter

Get / dump tc filter information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[chain, kind]

gettfilter

Get / dump tc filter information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[chain, kind]

reply

attributes:

[kind, options, stats, xstats, rate, fcnt, stats2, stab, chain, ingress-block, egress-block]

dump:

request

attributes:

[chain, dump-flags]

reply

attributes:

[kind, options, stats, xstats, rate, fcnt, stats2, stab, chain, ingress-block, egress-block]

newchain

Get / dump tc chain information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[kind, options, rate, chain, ingress-block, egress-block]

delchain

Get / dump tc chain information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[chain]

getchain

Get / dump tc chain information.

attribute-set:

attrs

fixed-header:

tcmsg

do:

request

attributes:

[chain]

reply

attributes:

[kind, options, stats, xstats, rate, fcnt, stats2, stab, chain, ingress-block, egress-block]

Multicast groups

• rtnlgrp-tc

Definitions

tcmsg

type:

struct

header:

linux/rtnetlink.h

members:

family (u8):

ifindex (s32):

handle (u32):

parent (u32):

info (u32):

cls-flags

enum-name:

None

type:

flags

entries:

• skip-hw

• skip-sw

• in-hw

• not-in-nw

• verbose

flower-key-ctrl-flags

name-prefix:

tca-flower-key-flags-

enum-name:

None

type:

flags

entries:

• frag

• firstfrag

• tuncsum

• tundf

• tunoam

• tuncrit

dualpi2-drop-overload

type:

enum

entries:

• overflow

• drop

dualpi2-drop-early

type:

enum

entries:

• drop-dequeue

• drop-enqueue

dualpi2-ecn-mask

type:

enum

value-start:

1

entries:

• l4s-ect

• cla-ect

• any-ect

dualpi2-split-gso

type:

enum

entries:

• no-split-gso

• split-gso

tc-stats

type:

struct

members:

bytes (u64):

Number of enqueued bytes

packets (u32):

Number of enqueued packets

drops (u32):

Packets dropped because of lack of resources

overlimits (u32):

Number of throttle events when this flow goes out of allocated bandwidth

bps (u32):

Current flow byte rate

pps (u32):

Current flow packet rate

qlen (u32):

backlog (u32):

tc-cbs-qopt

type:

struct

members:

offload (u8):

hicredit (s32):

locredit (s32):

idleslope (s32):

sendslope (s32):

tc-etf-qopt

type:

struct

members:

delta (s32):

clockid (s32):

flags (s32):

tc-fifo-qopt

type:

struct

members:

limit (u32):

Queue length; bytes for bfifo, packets for pfifo

tc-htb-opt

type:

struct

members:

rate (binary):

ceil (binary):

buffer (u32):

cbuffer (u32):

quantum (u32):

level (u32):

prio (u32):

tc-htb-glob

type:

struct

members:

version (u32):

rate2quantum (u32):

bps->quantum divisor

defcls (u32):

Default class number

debug (u32):

Debug flags

direct-pkts (u32):

Count of non shaped packets

tc-gred-qopt

type:

struct

members:

limit (u32):

HARD maximal queue length in bytes

qth-min (u32):

Min average length threshold in bytes

qth-max (u32):

Max average length threshold in bytes

DP (u32):

Up to 2^32 DPs

backlog (u32):

qave (u32):

forced (u32):

early (u32):

other (u32):

pdrop (u32):

Wlog (u8):

log(W)

Plog (u8):

log(P_max / (qth-max - qth-min))

Scell-log (u8):

cell size for idle damping

prio (u8):

Priority of this VQ

packets (u32):

bytesin (u32):

tc-gred-sopt

type:

struct

members:

DPs (u32):

def-DP (u32):

grio (u8):

flags (u8):

tc-hfsc-qopt

type:

struct

members:

defcls (u16):

tc-mqprio-qopt

type:

struct

members:

num-tc (u8):

prio-tc-map (binary):

hw (u8):

count (binary):

offset (binary):

tc-multiq-qopt

type:

struct

members:

bands (u16):

Number of bands

max-bands (u16):

Maximum number of queues

tc-netem-qopt

type:

struct

members:

latency (u32):

Added delay in microseconds

limit (u32):

Fifo limit in packets

loss (u32):

Random packet loss (0=none, ~0=100%)

gap (u32):

Re-ordering gap (0 for none)

duplicate (u32):

Random packet duplication (0=none, ~0=100%)

jitter (u32):

Random jitter latency in microseconds

tc-netem-gimodel

doc:

State transition probabilities for 4 state model

type:

struct

members:

p13 (u32):

p31 (u32):

p32 (u32):

p14 (u32):

p23 (u32):

tc-netem-gemodel

doc:

Gilbert-Elliot models

type:

struct

members:

p (u32):

r (u32):

h (u32):

k1 (u32):

tc-netem-corr

type:

struct

members:

delay-corr (u32):

Delay correlation

loss-corr (u32):

Packet loss correlation

dup-corr (u32):

Duplicate correlation

tc-netem-reorder

type:

struct

members:

probability (u32):

correlation (u32):

tc-netem-corrupt

type:

struct

members:

probability (u32):

correlation (u32):

tc-netem-rate

type:

struct

members:

rate (u32):

packet-overhead (s32):

cell-size (u32):

cell-overhead (s32):

tc-netem-slot

type:

struct

members:

min-delay (s64):

max-delay (s64):

max-packets (s32):

max-bytes (s32):

dist-delay (s64):

dist-jitter (s64):

tc-plug-qopt

type:

struct

members:

action (s32):

limit (u32):

tc-prio-qopt

type:

struct

members:

bands (u32):

Number of bands

priomap (binary):

Map of logical priority -> PRIO band

tc-red-qopt

type:

struct

members:

limit (u32):

Hard queue length in packets

qth-min (u32):

Min average threshold in packets

qth-max (u32):

Max average threshold in packets

Wlog (u8):

log(W)

Plog (u8):

log(P_max / (qth-max - qth-min))

Scell-log (u8):

Cell size for idle damping

flags (u8):

tc-sfb-qopt

type:

struct

members:

rehash-interval (u32):

warmup-time (u32):

max (u32):

bin-size (u32):

increment (u32):

decrement (u32):

limit (u32):

penalty-rate (u32):

penalty-burst (u32):

tc-sfq-qopt

type:

struct

members:

quantum (u32):

Bytes per round allocated to flow

perturb-period (s32):

Period of hash perturbation

limit (u32):

Maximal packets in queue

divisor (u32):

Hash divisor

flows (u32):

Maximal number of flows

tc-sfqred-stats

type:

struct

members:

prob-drop (u32):

Early drops, below max threshold

forced-drop (u32):

Early drops, after max threshold

prob-mark (u32):

Marked packets, below max threshold

forced-mark (u32):

Marked packets, after max threshold

prob-mark-head (u32):

Marked packets, below max threshold

forced-mark-head (u32):

Marked packets, after max threshold

tc-sfq-qopt-v1

type:

struct

members:

v0 (binary):

depth (u32):

Maximum number of packets per flow

headdrop (u32):

limit (u32):

HARD maximal flow queue length in bytes

qth-min (u32):

Min average length threshold in bytes

qth-max (u32):

Max average length threshold in bytes

Wlog (u8):

log(W)

Plog (u8):

log(P_max / (qth-max - qth-min))

Scell-log (u8):

Cell size for idle damping

flags (u8):

max-P (u32):

probability, high resolution

stats (binary):

tc-ratespec

type:

struct

header:

linux/pkt_sched.h

members:

cell-log (u8):

linklayer (u8):

overhead (u8):

cell-align (u8):

mpu (u8):

rate (u32):

tc-tbf-qopt

type:

struct

members:

rate (binary):

peakrate (binary):

limit (u32):

buffer (u32):

mtu (u32):

tc-sizespec

type:

struct

members:

cell-log (u8):

size-log (u8):

cell-align (s16):

overhead (s32):

linklayer (u32):

mpu (u32):

mtu (u32):

tsize (u32):

gnet-estimator

type:

struct

members:

interval (s8):

Sampling period

ewma-log (u8):

The log() of measurement window weight

tc-choke-xstats

type:

struct

members:

early (u32):

Early drops

pdrop (u32):

Drops due to queue limits

other (u32):

Drops due to drop() calls

marked (u32):

Marked packets

matched (u32):

Drops due to flow match

tc-codel-xstats

type:

struct

members:

maxpacket (u32):

Largest packet we’ve seen so far

count (u32):

How many drops we’ve done since the last time we entered dropping state

lastcount (u32):

Count at entry to dropping state

ldelay (u32):

in-queue delay seen by most recently dequeued packet

drop-next (s32):

Time to drop next packet

drop-overlimit (u32):

Number of times max qdisc packet limit was hit

ecn-mark (u32):

Number of packets we’ve ECN marked instead of dropped

dropping (u32):

Are we in a dropping state?

ce-mark (u32):

Number of CE marked packets because of ce-threshold

tc-fq-codel-xstats

type:

struct

members:

type (u32):

maxpacket (u32):

Largest packet we’ve seen so far

drop-overlimit (u32):

Number of times max qdisc packet limit was hit

ecn-mark (u32):

Number of packets we ECN marked instead of being dropped

new-flow-count (u32):

Number of times packets created a new flow

new-flows-len (u32):

Count of flows in new list

old-flows-len (u32):

Count of flows in old list

ce-mark (u32):

Packets above ce-threshold

memory-usage (u32):

Memory usage in bytes

drop-overmemory (u32):

tc-dualpi2-xstats

type:

struct

members:

prob (u32):

Current base PI probability

delay-c (u32):

Current C-queue delay in microseconds

delay-l (u32):

Current L-queue delay in microseconds

pkts-in-c (u32):

Number of packets enqueued in the C-queue

pkts-in-l (u32):

Number of packets enqueued in the L-queue

maxq (u32):

Maximum number of packets seen by the DualPI2

ecn-mark (u32):

All packets marked with ECN

step-mark (u32):

Only packets marked with ECN due to L-queue step AQM

credit (s32):

Current credit value for WRR

memory-used (u32):

Memory used in bytes by the DualPI2

max-memory-used (u32):

Maximum memory used in bytes by the DualPI2

memory-limit (u32):

Memory limit in bytes

tc-fq-pie-xstats

type:

struct

members:

packets-in (u32):

Total number of packets enqueued

dropped (u32):

Packets dropped due to fq_pie_action

overlimit (u32):

Dropped due to lack of space in queue

overmemory (u32):

Dropped due to lack of memory in queue

ecn-mark (u32):

Packets marked with ECN

new-flow-count (u32):

Count of new flows created by packets

new-flows-len (u32):

Count of flows in new list

old-flows-len (u32):

Count of flows in old list

memory-usage (u32):

Total memory across all queues

tc-fq-qd-stats

type:

struct

members:

gc-flows (u64):

highprio-packets (u64):

obsolete

tcp-retrans (u64):

obsolete

throttled (u64):

flows-plimit (u64):

pkts-too-long (u64):

allocation-errors (u64):

time-next-delayed-flow (s64):

flows (u32):

inactive-flows (u32):

throttled-flows (u32):

unthrottle-latency-ns (u32):

ce-mark (u64):

Packets above ce-threshold

horizon-drops (u64):

horizon-caps (u64):

fastpath-packets (u64):

band-drops (binary):

band-pkt-count (binary):

tc-hhf-xstats

type:

struct

members:

drop-overlimit (u32):

Number of times max qdisc packet limit was hit

hh-overlimit (u32):

Number of times max heavy-hitters was hit

hh-tot-count (u32):

Number of captured heavy-hitters so far

hh-cur-count (u32):

Number of current heavy-hitters

tc-pie-xstats

type:

struct

members:

prob (u64):

Current probability

delay (u32):

Current delay in ms

avg-dq-rate (u32):

Current average dq rate in bits/pie-time

dq-rate-estimating (u32):

Is avg-dq-rate being calculated?

packets-in (u32):

Total number of packets enqueued

dropped (u32):

Packets dropped due to pie action

overlimit (u32):

Dropped due to lack of space in queue

maxq (u32):

Maximum queue size

ecn-mark (u32):

Packets marked with ECN

tc-red-xstats

type:

struct

members:

early (u32):

Early drops

pdrop (u32):

Drops due to queue limits

other (u32):

Drops due to drop() calls

marked (u32):

Marked packets

tc-sfb-xstats

type:

struct

members:

earlydrop (u32):

penaltydrop (u32):

bucketdrop (u32):

queuedrop (u32):

childdrop (u32):

drops in child qdisc

marked (u32):

maxqlen (u32):

maxprob (u32):

avgprob (u32):

tc-sfq-xstats

type:

struct

members:

allot (s32):

gnet-stats-basic

type:

struct

members:

bytes (u64):

packets (u32):

gnet-stats-rate-est

type:

struct

members:

bps (u32):

pps (u32):

gnet-stats-rate-est64

type:

struct

members:

bps (u64):

pps (u64):

gnet-stats-queue

type:

struct

members:

qlen (u32):

backlog (u32):

drops (u32):

requeues (u32):

overlimits (u32):

tc-u32-key

type:

struct

members:

mask (u32):

val (u32):

off (s32):

offmask (s32):

tc-u32-mark

type:

struct

members:

val (u32):

mask (u32):

success (u32):

tc-u32-sel

type:

struct

members:

flags (u8):

offshift (u8):

nkeys (u8):

offmask (u16):

off (u16):

offoff (s16):

hoff (s16):

hmask (u32):

keys (binary):

tc-u32-pcnt

type:

struct

members:

rcnt (u64):

rhit (u64):

kcnts (u64):

tcf-t

type:

struct

members:

install (u64):

lastuse (u64):

expires (u64):

firstuse (u64):

tc-gact

type:

struct

members:

index (u32):

capab (u32):

action (s32):

refcnt (s32):

bindcnt (s32):

tc-gact-p

type:

struct

members:

ptype (u16):

pval (u16):

paction (s32):

tcf-ematch-tree-hdr

type:

struct

members:

nmatches (u16):

progid (u16):

tc-basic-pcnt

type:

struct

members:

rcnt (u64):

rhit (u64):

tc-matchall-pcnt

type:

struct

members:

rhit (u64):

tc-mpls

type:

struct

members:

index (u32):

capab (u32):

action (s32):

refcnt (s32):

bindcnt (s32):

m-action (s32):

tc-police

type:

struct

members:

index (u32):

action (s32):

limit (u32):

burst (u32):

mtu (u32):

rate (binary):

peakrate (binary):

refcnt (s32):

bindcnt (s32):

capab (u32):

tc-pedit-sel

type:

struct

members:

index (u32):

capab (u32):

action (s32):

refcnt (s32):

bindcnt (s32):

nkeys (u8):

flags (u8):

keys (binary):

tc-pedit-key

type:

struct

members:

mask (u32):

val (u32):

off (u32):

at (u32):

offmask (u32):

shift (u32):

tc-vlan

type:

struct

members:

index (u32):

capab (u32):

action (s32):

refcnt (s32):

bindcnt (s32):

v-action (s32):

Attribute sets

attrs

kind (string)

options (sub-message)

sub-message:

options-msg

selector:

kind

stats (binary)

struct:

tc-stats

xstats (sub-message)

sub-message:

tca-stats-app-msg

selector:

kind

rate (binary)

struct:

gnet-estimator

fcnt (u32)

stats2 (nest)

nested-attributes:

tca-stats-attrs

stab (nest)

nested-attributes:

tca-stab-attrs

pad (pad)

dump-invisible (flag)

chain (u32)

hw-offload (u8)

ingress-block (u32)

egress-block (u32)

dump-flags (bitfield32)

ext-warn-msg (string)

act-attrs

kind (string)

options (sub-message)

sub-message:

act-options-msg

selector:

kind

index (u32)

stats (nest)

nested-attributes:

tca-stats-attrs

pad (pad)

cookie (binary)

flags (bitfield32)

hw-stats (bitfield32)

used-hw-stats (bitfield32)

in-hw-count (u32)

act-bpf-attrs

tm (binary)

struct:

tcf-t

parms (binary)

ops-len (u16)

ops (binary)

fd (u32)

name (string)

pad (pad)

tag (binary)

id (binary)

act-connmark-attrs

parms (binary)

tm (binary)

struct:

tcf-t

pad (pad)

act-csum-attrs

parms (binary)

tm (binary)

struct:

tcf-t

pad (pad)

act-ct-attrs

parms (binary)

tm (binary)

struct:

tcf-t

action (u16)

zone (u16)

mark (u32)

mark-mask (u32)

labels (binary)

labels-mask (binary)

nat-ipv4-min (u32)

byte-order:

big-endian

nat-ipv4-max (u32)

byte-order:

big-endian

nat-ipv6-min (binary)

nat-ipv6-max (binary)

nat-port-min (u16)

byte-order:

big-endian

nat-port-max (u16)

byte-order:

big-endian

pad (pad)

helper-name (string)

helper-family (u8)

helper-proto (u8)

act-ctinfo-attrs

pad (pad)

tm (binary)

struct:

tcf-t

act (binary)

zone (u16)

parms-dscp-mask (u32)

parms-dscp-statemask (u32)

parms-cpmark-mask (u32)

stats-dscp-set (u64)

stats-dscp-error (u64)

stats-cpmark-set (u64)

act-gate-attrs

tm (binary)

struct:

tcf-t

parms (binary)

pad (pad)

priority (s32)

entry-list (binary)

base-time (u64)

cycle-time (u64)

cycle-time-ext (u64)

flags (u32)

clockid (s32)

act-ife-attrs

parms (binary)

tm (binary)

struct:

tcf-t

dmac (binary)

smac (binary)

type (u16)

metalst (binary)

pad (pad)

act-mirred-attrs

tm (binary)

struct:

tcf-t

parms (binary)

pad (pad)

blockid (binary)

act-mpls-attrs

tm (binary)

struct:

tcf-t

parms (binary)

struct:

tc-mpls

pad (pad)

proto (u16)

byte-order:

big-endian

label (u32)

tc (u8)

ttl (u8)

bos (u8)

act-nat-attrs

parms (binary)

tm (binary)

struct:

tcf-t

pad (pad)

act-pedit-attrs

tm (binary)

struct:

tcf-t

parms (binary)

struct:

tc-pedit-sel

pad (pad)

parms-ex (binary)

keys-ex (binary)

key-ex (binary)

act-simple-attrs

tm (binary)

struct:

tcf-t

parms (binary)

data (binary)

pad (pad)

act-skbedit-attrs

tm (binary)

struct:

tcf-t

parms (binary)

priority (u32)

queue-mapping (u16)

mark (u32)

pad (pad)

ptype (u16)

mask (u32)

flags (u64)

queue-mapping-max (u16)

act-skbmod-attrs

tm (binary)

struct:

tcf-t

parms (binary)

dmac (binary)

smac (binary)

etype (binary)

pad (pad)

act-tunnel-key-attrs

tm (binary)

struct:

tcf-t

parms (binary)

enc-ipv4-src (u32)

byte-order:

big-endian

enc-ipv4-dst (u32)

byte-order:

big-endian

enc-ipv6-src (binary)

enc-ipv6-dst (binary)

enc-key-id (u64)

byte-order:

big-endian

pad (pad)

enc-dst-port (u16)

byte-order:

big-endian

no-csum (u8)

enc-opts (binary)

enc-tos (u8)

enc-ttl (u8)

no-frag (flag)

act-vlan-attrs

tm (binary)

struct:

tcf-t

parms (binary)

struct:

tc-vlan

push-vlan-id (u16)

push-vlan-protocol (u16)

pad (pad)

push-vlan-priority (u8)

push-eth-dst (binary)

push-eth-src (binary)

basic-attrs

classid (u32)

ematches (nest)

nested-attributes:

ematch-attrs

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

police (nest)

nested-attributes:

police-attrs

pcnt (binary)

struct:

tc-basic-pcnt

pad (pad)

bpf-attrs

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

police (nest)

nested-attributes:

police-attrs

classid (u32)

ops-len (u16)

ops (binary)

fd (u32)

name (string)

flags (u32)

flags-gen (u32)

tag (binary)

id (u32)

cake-attrs

pad (pad)

base-rate64 (u64)

diffserv-mode (u32)

atm (u32)

flow-mode (u32)

overhead (u32)

rtt (u32)

target (u32)

autorate (u32)

memory (u32)

nat (u32)

raw (u32)

wash (u32)

mpu (u32)

ingress (u32)

ack-filter (u32)

split-gso (u32)

fwmark (u32)

cake-stats-attrs

pad (pad)

capacity-estimate64 (u64)

memory-limit (u32)

memory-used (u32)

avg-netoff (u32)

min-netlen (u32)

max-netlen (u32)

min-adjlen (u32)

max-adjlen (u32)

tin-stats (indexed-array)

sub-type:

nest

nested-attributes:

cake-tin-stats-attrs

deficit (s32)

cobalt-count (u32)

dropping (u32)

drop-next-us (s32)

p-drop (u32)

blue-timer-us (s32)

active-queues (u32)

cake-tin-stats-attrs

pad (pad)

sent-packets (u32)

sent-bytes64 (u64)

dropped-packets (u32)

dropped-bytes64 (u64)

acks-dropped-packets (u32)

acks-dropped-bytes64 (u64)

ecn-marked-packets (u32)

ecn-marked-bytes64 (u64)

backlog-packets (u32)

backlog-bytes (u32)

threshold-rate64 (u64)

target-us (u32)

interval-us (u32)

way-indirect-hits (u32)

way-misses (u32)

way-collisions (u32)

peak-delay-us (u32)

avg-delay-us (u32)

base-delay-us (u32)

sparse-flows (u32)

bulk-flows (u32)

unresponsive-flows (u32)

max-skblen (u32)

flow-quantum (u32)

cbs-attrs

parms (binary)

struct:

tc-cbs-qopt

cgroup-attrs

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

police (nest)

nested-attributes:

police-attrs

ematches (binary)

choke-attrs

parms (binary)

struct:

tc-red-qopt

stab (binary)

max-p (u32)

codel-attrs

target (u32)

limit (u32)

interval (u32)

ecn (u32)

ce-threshold (u32)

drr-attrs

quantum (u32)

dualpi2-attrs

limit (u32)

doc:

Limit of total number of packets in queue

memory-limit (u32)

doc:

Memory limit of total number of packets in queue

target (u32)

doc:

Classic target delay in microseconds

tupdate (u32)

doc:

Drop probability update interval time in microseconds

alpha (u32)

doc:

Integral gain factor in Hz for PI controller

beta (u32)

doc:

Proportional gain factor in Hz for PI controller

step-thresh-pkts (u32)

doc:

L4S step marking threshold in packets

step-thresh-us (u32)

doc:

L4S Step marking threshold in microseconds

min-qlen-step (u32)

doc:

Packets enqueued to the L-queue can apply the step threshold when the queue length of L-queue is larger than this value. (0 is recommended)

coupling (u8)

doc:

Probability coupling factor between Classic and L4S (2 is recommended)

drop-overload (u8)

doc:

Control the overload strategy (drop to preserve latency or let the queue overflow)

enum:

dualpi2-drop-overload

drop-early (u8)

doc:

Decide where the Classic packets are PI-based dropped or marked

enum:

dualpi2-drop-early

c-protection (u8)

doc:

Classic WRR weight in percentage (from 0 to 100)

ecn-mask (u8)

doc:

Configure the L-queue ECN classifier

enum:

dualpi2-ecn-mask

split-gso (u8)

doc:

Split aggregated skb or not

enum:

dualpi2-split-gso

ematch-attrs

tree-hdr (binary)

struct:

tcf-ematch-tree-hdr

tree-list (binary)

flow-attrs

keys (u32)

mode (u32)

baseclass (u32)

rshift (u32)

addend (u32)

mask (u32)

xor (u32)

divisor (u32)

act (binary)

police (nest)

nested-attributes:

police-attrs

ematches (binary)

perturb (u32)

flower-attrs

classid (u32)

indev (string)

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

key-eth-dst (binary)

display-hint:

mac

key-eth-dst-mask (binary)

display-hint:

mac

key-eth-src (binary)

display-hint:

mac

key-eth-src-mask (binary)

display-hint:

mac

key-eth-type (u16)

byte-order:

big-endian

key-ip-proto (u8)

key-ipv4-src (u32)

byte-order:

big-endian

display-hint:

ipv4

key-ipv4-src-mask (u32)

byte-order:

big-endian

display-hint:

ipv4

key-ipv4-dst (u32)

byte-order:

big-endian

display-hint:

ipv4

key-ipv4-dst-mask (u32)

byte-order:

big-endian

display-hint:

ipv4

key-ipv6-src (binary)

display-hint:

ipv6

key-ipv6-src-mask (binary)

display-hint:

ipv6

key-ipv6-dst (binary)

display-hint:

ipv6

key-ipv6-dst-mask (binary)

display-hint:

ipv6

key-tcp-src (u16)

byte-order:

big-endian

key-tcp-dst (u16)

byte-order:

big-endian

key-udp-src (u16)

byte-order:

big-endian

key-udp-dst (u16)

byte-order:

big-endian

flags (u32)

enum:

cls-flags

enum-as-flags:

True

key-vlan-id (u16)

byte-order:

big-endian

key-vlan-prio (u8)

key-vlan-eth-type (u16)

byte-order:

big-endian

key-enc-key-id (u32)

byte-order:

big-endian

key-enc-ipv4-src (u32)

byte-order:

big-endian

display-hint:

ipv4

key-enc-ipv4-src-mask (u32)

byte-order:

big-endian

display-hint:

ipv4

key-enc-ipv4-dst (u32)

byte-order:

big-endian

display-hint:

ipv4

key-enc-ipv4-dst-mask (u32)

byte-order:

big-endian

display-hint:

ipv4

key-enc-ipv6-src (binary)

display-hint:

ipv6

key-enc-ipv6-src-mask (binary)

display-hint:

ipv6

key-enc-ipv6-dst (binary)

display-hint:

ipv6

key-enc-ipv6-dst-mask (binary)

display-hint:

ipv6

key-tcp-src-mask (u16)

byte-order:

big-endian

key-tcp-dst-mask (u16)

byte-order:

big-endian

key-udp-src-mask (u16)

byte-order:

big-endian

key-udp-dst-mask (u16)

byte-order:

big-endian

key-sctp-src-mask (u16)

byte-order:

big-endian

key-sctp-dst-mask (u16)

byte-order:

big-endian

key-sctp-src (u16)

byte-order:

big-endian

key-sctp-dst (u16)

byte-order:

big-endian

key-enc-udp-src-port (u16)

byte-order:

big-endian

key-enc-udp-src-port-mask (u16)

byte-order:

big-endian

key-enc-udp-dst-port (u16)

byte-order:

big-endian

key-enc-udp-dst-port-mask (u16)

byte-order:

big-endian

key-flags (u32)

byte-order:

big-endian

enum:

flower-key-ctrl-flags

enum-as-flags:

True

key-flags-mask (u32)

byte-order:

big-endian

enum:

flower-key-ctrl-flags

enum-as-flags:

True

key-icmpv4-code (u8)

key-icmpv4-code-mask (u8)

key-icmpv4-type (u8)

key-icmpv4-type-mask (u8)

key-icmpv6-code (u8)

key-icmpv6-code-mask (u8)

key-icmpv6-type (u8)

key-icmpv6-type-mask (u8)

key-arp-sip (u32)

byte-order:

big-endian

key-arp-sip-mask (u32)

byte-order:

big-endian

key-arp-tip (u32)

byte-order:

big-endian

key-arp-tip-mask (u32)

byte-order:

big-endian

key-arp-op (u8)

key-arp-op-mask (u8)

key-arp-sha (binary)

display-hint:

mac

key-arp-sha-mask (binary)

display-hint:

mac

key-arp-tha (binary)

display-hint:

mac

key-arp-tha-mask (binary)

display-hint:

mac

key-mpls-ttl (u8)

key-mpls-bos (u8)

key-mpls-tc (u8)

key-mpls-label (u32)

byte-order:

big-endian

key-tcp-flags (u16)

byte-order:

big-endian

key-tcp-flags-mask (u16)

byte-order:

big-endian

key-ip-tos (u8)

key-ip-tos-mask (u8)

key-ip-ttl (u8)

key-ip-ttl-mask (u8)

key-cvlan-id (u16)

byte-order:

big-endian

key-cvlan-prio (u8)

key-cvlan-eth-type (u16)

byte-order:

big-endian

key-enc-ip-tos (u8)

key-enc-ip-tos-mask (u8)

key-enc-ip-ttl (u8)

key-enc-ip-ttl-mask (u8)

key-enc-opts (nest)

nested-attributes:

flower-key-enc-opts-attrs

key-enc-opts-mask (nest)

nested-attributes:

flower-key-enc-opts-attrs

in-hw-count (u32)

key-port-src-min (u16)

byte-order:

big-endian

key-port-src-max (u16)

byte-order:

big-endian

key-port-dst-min (u16)

byte-order:

big-endian

key-port-dst-max (u16)

byte-order:

big-endian

key-ct-state (u16)

key-ct-state-mask (u16)

key-ct-zone (u16)

key-ct-zone-mask (u16)

key-ct-mark (u32)

key-ct-mark-mask (u32)

key-ct-labels (binary)

key-ct-labels-mask (binary)

key-mpls-opts (nest)

nested-attributes:

flower-key-mpls-opt-attrs

key-hash (u32)

key-hash-mask (u32)

key-num-of-vlans (u8)

key-pppoe-sid (u16)

byte-order:

big-endian

key-ppp-proto (u16)

byte-order:

big-endian

key-l2tpv3-sid (u32)

byte-order:

big-endian

l2-miss (u8)

key-cfm (nest)

nested-attributes:

flower-key-cfm-attrs

key-spi (u32)

byte-order:

big-endian

key-spi-mask (u32)

byte-order:

big-endian

key-enc-flags (u32)

byte-order:

big-endian

enum:

flower-key-ctrl-flags

enum-as-flags:

True

key-enc-flags-mask (u32)

byte-order:

big-endian

enum:

flower-key-ctrl-flags

enum-as-flags:

True

flower-key-enc-opts-attrs

geneve (nest)

nested-attributes:

flower-key-enc-opt-geneve-attrs

vxlan (nest)

nested-attributes:

flower-key-enc-opt-vxlan-attrs

erspan (nest)

nested-attributes:

flower-key-enc-opt-erspan-attrs

gtp (nest)

nested-attributes:

flower-key-enc-opt-gtp-attrs

flower-key-enc-opt-geneve-attrs

class (u16)

type (u8)

data (binary)

flower-key-enc-opt-vxlan-attrs

gbp (u32)

flower-key-enc-opt-erspan-attrs

ver (u8)

index (u32)

dir (u8)

hwid (u8)

flower-key-enc-opt-gtp-attrs

pdu-type (u8)

qfi (u8)

flower-key-mpls-opt-attrs

lse-depth (u8)

lse-ttl (u8)

lse-bos (u8)

lse-tc (u8)

lse-label (u32)

flower-key-cfm-attrs

md-level (u8)

opcode (u8)

fw-attrs

classid (u32)

police (nest)

nested-attributes:

police-attrs

indev (string)

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

mask (u32)

gred-attrs

parms (binary)

stab (binary)

sub-type:

u8

dps (binary)

struct:

tc-gred-sopt

max-p (binary)

sub-type:

u32

limit (u32)

vq-list (nest)

nested-attributes:

tca-gred-vq-list-attrs

tca-gred-vq-list-attrs

entry (nest)

nested-attributes:

tca-gred-vq-entry-attrs

multi-attr:

True

tca-gred-vq-entry-attrs

pad (pad)

dp (u32)

stat-bytes (u64)

stat-packets (u32)

stat-backlog (u32)

stat-prob-drop (u32)

stat-prob-mark (u32)

stat-forced-drop (u32)

stat-forced-mark (u32)

stat-pdrop (u32)

stat-other (u32)

flags (u32)

hfsc-attrs

rsc (binary)

fsc (binary)

usc (binary)

hhf-attrs

backlog-limit (u32)

quantum (u32)

hh-flows-limit (u32)

reset-timeout (u32)

admit-bytes (u32)

evict-timeout (u32)

non-hh-weight (u32)

htb-attrs

parms (binary)

struct:

tc-htb-opt

init (binary)

struct:

tc-htb-glob

ctab (binary)

rtab (binary)

direct-qlen (u32)

rate64 (u64)

ceil64 (u64)

pad (pad)

offload (flag)

matchall-attrs

classid (u32)

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

flags (u32)

pcnt (binary)

struct:

tc-matchall-pcnt

pad (pad)

etf-attrs

parms (binary)

struct:

tc-etf-qopt

ets-attrs

nbands (u8)

nstrict (u8)

quanta (nest)

nested-attributes:

ets-attrs

quanta-band (u32)

multi-attr:

True

priomap (nest)

nested-attributes:

ets-attrs

priomap-band (u8)

multi-attr:

True

fq-attrs

plimit (u32)

doc:

Limit of total number of packets in queue

flow-plimit (u32)

doc:

Limit of packets per flow

quantum (u32)

doc:

RR quantum

initial-quantum (u32)

doc:

RR quantum for new flow

rate-enable (u32)

doc:

Enable / disable rate limiting

flow-default-rate (u32)

doc:

Obsolete, do not use

flow-max-rate (u32)

doc:

Per flow max rate

buckets-log (u32)

doc:

log2(number of buckets)

flow-refill-delay (u32)

doc:

Flow credit refill delay in usec

orphan-mask (u32)

doc:

Mask applied to orphaned skb hashes

low-rate-threshold (u32)

doc:

Per packet delay under this rate

ce-threshold (u32)

doc:

DCTCP-like CE marking threshold

timer-slack (u32)

horizon (u32)

doc:

Time horizon in usec

horizon-drop (u8)

doc:

Drop packets beyond horizon, or cap their EDT

priomap (binary)

struct:

tc-prio-qopt

weights (binary)

sub-type:

s32

doc:

Weights for each band

fq-codel-attrs

target (u32)

limit (u32)

interval (u32)

ecn (u32)

flows (u32)

quantum (u32)

ce-threshold (u32)

drop-batch-size (u32)

memory-limit (u32)

ce-threshold-selector (u8)

ce-threshold-mask (u8)

fq-pie-attrs

limit (u32)

flows (u32)

target (u32)

tupdate (u32)

alpha (u32)

beta (u32)

quantum (u32)

memory-limit (u32)

ecn-prob (u32)

ecn (u32)

bytemode (u32)

dq-rate-estimator (u32)

netem-attrs

corr (binary)

struct:

tc-netem-corr

delay-dist (binary)

sub-type:

s16

reorder (binary)

struct:

tc-netem-reorder

corrupt (binary)

struct:

tc-netem-corrupt

loss (nest)

nested-attributes:

netem-loss-attrs

rate (binary)

struct:

tc-netem-rate

ecn (u32)

rate64 (u64)

pad (u32)

latency64 (s64)

jitter64 (s64)

slot (binary)

struct:

tc-netem-slot

slot-dist (binary)

sub-type:

s16

prng-seed (u64)

netem-loss-attrs

gi (binary)

doc:

General Intuitive - 4 state model

struct:

tc-netem-gimodel

ge (binary)

doc:

Gilbert Elliot models

struct:

tc-netem-gemodel

pie-attrs

target (u32)

limit (u32)

tupdate (u32)

alpha (u32)

beta (u32)

ecn (u32)

bytemode (u32)

dq-rate-estimator (u32)

police-attrs

tbf (binary)

struct:

tc-police

rate (binary)

peakrate (binary)

avrate (u32)

result (u32)

tm (binary)

struct:

tcf-t

pad (pad)

rate64 (u64)

peakrate64 (u64)

pktrate64 (u64)

pktburst64 (u64)

qfq-attrs

weight (u32)

lmax (u32)

red-attrs

parms (binary)

struct:

tc-red-qopt

stab (binary)

max-p (u32)

flags (bitfield32)

early-drop-block (u32)

mark-block (u32)

route-attrs

classid (u32)

to (u32)

from (u32)

iif (u32)

police (nest)

nested-attributes:

police-attrs

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

taprio-attrs

priomap (binary)

struct:

tc-mqprio-qopt

sched-entry-list (nest)

nested-attributes:

taprio-sched-entry-list

sched-base-time (s64)

sched-single-entry (nest)

nested-attributes:

taprio-sched-entry

sched-clockid (s32)

pad (pad)

admin-sched (binary)

sched-cycle-time (s64)

sched-cycle-time-extension (s64)

flags (u32)

txtime-delay (u32)

tc-entry (nest)

nested-attributes:

taprio-tc-entry-attrs

taprio-sched-entry-list

entry (nest)

nested-attributes:

taprio-sched-entry

multi-attr:

True

taprio-sched-entry

index (u32)

cmd (u8)

gate-mask (u32)

interval (u32)

taprio-tc-entry-attrs

index (u32)

max-sdu (u32)

fp (u32)

tbf-attrs

parms (binary)

struct:

tc-tbf-qopt

rtab (binary)

ptab (binary)

rate64 (u64)

prate64 (u64)

burst (u32)

pburst (u32)

pad (pad)

act-sample-attrs

tm (binary)

struct:

tcf-t

parms (binary)

struct:

tc-gact

rate (u32)

trunc-size (u32)

psample-group (u32)

pad (pad)

act-gact-attrs

tm (binary)

struct:

tcf-t

parms (binary)

struct:

tc-gact

prob (binary)

struct:

tc-gact-p

pad (pad)

tca-stab-attrs

base (binary)

struct:

tc-sizespec

data (binary)

tca-stats-attrs

basic (binary)

struct:

gnet-stats-basic

rate-est (binary)

struct:

gnet-stats-rate-est

queue (binary)

struct:

gnet-stats-queue

app (sub-message)

sub-message:

tca-stats-app-msg

selector:

kind

rate-est64 (binary)

struct:

gnet-stats-rate-est64

pad (pad)

basic-hw (binary)

struct:

gnet-stats-basic

pkt64 (u64)

u32-attrs

classid (u32)

hash (u32)

link (u32)

divisor (u32)

sel (binary)

struct:

tc-u32-sel

police (nest)

nested-attributes:

police-attrs

act (indexed-array)

sub-type:

nest

nested-attributes:

act-attrs

indev (string)

pcnt (binary)

struct:

tc-u32-pcnt

mark (binary)

struct:

tc-u32-mark

flags (u32)

pad (pad)

Sub-messages

options-msg

• basic

  attribute-set:

  basic-attrs

• bpf

  attribute-set:

  bpf-attrs

• bfifo

  fixed-header:

  tc-fifo-qopt

• cake

  attribute-set:

  cake-attrs

• cbs

  attribute-set:

  cbs-attrs

• cgroup

  attribute-set:

  cgroup-attrs

• choke

  attribute-set:

  choke-attrs

• clsact

• codel

  attribute-set:

  codel-attrs

• drr

  attribute-set:

  drr-attrs

• dualpi2

  attribute-set:

  dualpi2-attrs

• etf

  attribute-set:

  etf-attrs

• ets

  attribute-set:

  ets-attrs

• flow

  attribute-set:

  flow-attrs

• flower

  attribute-set:

  flower-attrs

• fq

  attribute-set:

  fq-attrs

• fq_codel

  attribute-set:

  fq-codel-attrs

• fq_pie

  attribute-set:

  fq-pie-attrs

• fw

  attribute-set:

  fw-attrs

• gred

  attribute-set:

  gred-attrs

• hfsc

  fixed-header:

  tc-hfsc-qopt

• hhf

  attribute-set:

  hhf-attrs

• htb

  attribute-set:

  htb-attrs

• ingress

• matchall

  attribute-set:

  matchall-attrs

• mq

• mqprio

  fixed-header:

  tc-mqprio-qopt

• multiq

  fixed-header:

  tc-multiq-qopt

• netem

  fixed-header:

  tc-netem-qopt

  attribute-set:

  netem-attrs

• pfifo

  fixed-header:

  tc-fifo-qopt

• pfifo_fast

  fixed-header:

  tc-prio-qopt

• pfifo_head_drop

  fixed-header:

  tc-fifo-qopt

• pie

  attribute-set:

  pie-attrs

• plug

  fixed-header:

  tc-plug-qopt

• prio

  fixed-header:

  tc-prio-qopt

• qfq

  attribute-set:

  qfq-attrs

• red

  attribute-set:

  red-attrs

• route

  attribute-set:

  route-attrs

• sfb

  fixed-header:

  tc-sfb-qopt

• sfq

  fixed-header:

  tc-sfq-qopt-v1

• taprio

  attribute-set:

  taprio-attrs

• tbf

  attribute-set:

  tbf-attrs

• u32

  attribute-set:

  u32-attrs

act-options-msg

• bpf

  attribute-set:

  act-bpf-attrs

• connmark

  attribute-set:

  act-connmark-attrs

• csum

  attribute-set:

  act-csum-attrs

• ct

  attribute-set:

  act-ct-attrs

• ctinfo

  attribute-set:

  act-ctinfo-attrs

• gact

  attribute-set:

  act-gact-attrs

• gate

  attribute-set:

  act-gate-attrs

• ife

  attribute-set:

  act-ife-attrs

• mirred

  attribute-set:

  act-mirred-attrs

• mpls

  attribute-set:

  act-mpls-attrs

• nat

  attribute-set:

  act-nat-attrs

• pedit

  attribute-set:

  act-pedit-attrs

• police

  attribute-set:

  police-attrs

• sample

  attribute-set:

  act-sample-attrs

• simple

  attribute-set:

  act-simple-attrs

• skbedit

  attribute-set:

  act-skbedit-attrs

• skbmod

  attribute-set:

  act-skbmod-attrs

• tunnel_key

  attribute-set:

  act-tunnel-key-attrs

• vlan

  attribute-set:

  act-vlan-attrs

tca-stats-app-msg

• cake

  attribute-set:

  cake-stats-attrs

• choke

  fixed-header:

  tc-choke-xstats

• codel

  fixed-header:

  tc-codel-xstats

• dualpi2

  fixed-header:

  tc-dualpi2-xstats

• fq

  fixed-header:

  tc-fq-qd-stats

• fq_codel

  fixed-header:

  tc-fq-codel-xstats

• fq_pie

  fixed-header:

  tc-fq-pie-xstats

• hhf

  fixed-header:

  tc-hhf-xstats

• pie

  fixed-header:

  tc-pie-xstats

• red

  fixed-header:

  tc-red-xstats

• sfb

  fixed-header:

  tc-sfb-xstats

• sfq

  fixed-header:

  tc-sfq-xstats