CONFIG_NET_SCH_CBQ: Class Based Queueing (CBQ)

General informations

The Linux kernel configuration item CONFIG_NET_SCH_CBQ has multiple definitions:

Class Based Queueing (CBQ) found in net/sched/Kconfig

The configuration item CONFIG_NET_SCH_CBQ:

• prompt: Class Based Queueing (CBQ)
• type: tristate
• depends on: (none)
• defined in net/sched/Kconfig
• found in Linux kernels: 2.6.15–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.2, 6.2+HEAD
• modules built: sch_cbq

Help text

Say Y here if you want to use the Class-Based Queueing (CBQ) packet scheduling algorithm. This algorithm classifies the waiting packets into a tree-like hierarchy of classes; the leaves of this tree are in turn scheduled by separate algorithms.

See the top of net/sched/sch_cbq.c for more details.

CBQ is a commonly used scheduler, so if you're unsure, you should say Y here. Then say Y to all the queueing algorithms below that you want to use as leaf disciplines.

To compile this code as a module, choose M here: the module will be called sch_cbq.

CBQ packet scheduler found in net/sched/Kconfig

The configuration item CONFIG_NET_SCH_CBQ:

• prompt: CBQ packet scheduler
• type: tristate
• depends on: CONFIG_NET_SCHED
• defined in net/sched/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.14
• modules built: sch_cbq

Help text

Say Y here if you want to use the Class-Based Queueing (CBQ) packet scheduling algorithm for some of your network devices. This algorithm classifies the waiting packets into a tree-like hierarchy of classes; the leaves of this tree are in turn scheduled by separate algorithms (called "disciplines" in this context).

See the top of net/sched/sch_cbq.c for references about the CBQ algorithm.

CBQ is a commonly used scheduler, so if you're unsure, you should say Y here. Then say Y to all the queueing algorithms below that you want to use as CBQ disciplines. Then say Y to "Packet classifier API" and say Y to all the classifiers you want to use; a classifier is a routine that allows you to sort your outgoing traffic into classes based on a certain criterion.

To compile this code as a module, choose M here: the module will be called sch_cbq.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module sch_cbq CONFIG_NET_SCH_CBQ : net/sched/Kconfig : "Class Based Queueing (CBQ)" # in 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.2, 6.2+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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