CONFIG_NET_HW_FLOWCONTROL: Forwarding between high speed interfaces

General informations

The Linux kernel configuration item CONFIG_NET_HW_FLOWCONTROL:

• prompt: Forwarding between high speed interfaces
• type: bool
• depends on: CONFIG_EXPERIMENTAL
• defined in net/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.9

Help text

This option enables NIC (Network Interface Card) hardware throttling during periods of extreme congestion. At the moment only a couple of device drivers support it (really only one -- tulip, a modified 8390 driver can be found at <ftp://ftp.tux.org/pub/net/ip-routing/fastroute/fastroute-8390.tar.gz>).

Really, this option is applicable to any machine attached to a fast enough network, and even a 10 Mb NIC is able to kill a not very slow box, such as a 120MHz Pentium.

However, do not say Y here if you did not experience any serious problems.

Hardware

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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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