CONFIG_DCB: Data Center Bridging support

General informations

The Linux kernel configuration item CONFIG_DCB:

• prompt: Data Center Bridging support
• type: bool
• depends on: (none)
• defined in net/dcb/Kconfig
• found in Linux kernels: 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This enables support for configuring Data Center Bridging (DCB) features on DCB capable Ethernet adapters via rtnetlink. Say 'Y' if you have a DCB capable Ethernet adapter which supports this interface and you are connected to a DCB capable switch.

DCB is a collection of Ethernet enhancements which allow DCB capable NICs and switches to support network traffic with differing requirements (highly reliable, no drops vs. best effort vs. low latency) to co-exist on Ethernet.

DCB features include: Enhanced Transmission Selection (aka Priority Grouping) - provides a framework for assigning bandwidth guarantees to traffic classes. Priority-based Flow Control (PFC) - a MAC control pause frame which works at the granularity of the 802.1p priority instead of the link (802.3x).

If unsure, say N.

Hardware

LKDDb

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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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