CONFIG_2BUFF_MODE: Use 2 Buffer Mode on Rx side.

General informations

The Linux kernel configuration item CONFIG_2BUFF_MODE:

• prompt: Use 2 Buffer Mode on Rx side.
• type: bool
• depends on: CONFIG_S2IO
• defined in drivers/net/Kconfig
• found in Linux kernels: 2.6.11–2.6.14

Help text

On enabling the 2 buffer mode, the received frame will be split into 2 parts before being DMA'ed to the hosts memory. The parts are the ethernet header and ethernet payload. This is useful on systems where DMA'ing to to unaligned physical memory loactions comes with a heavy price. If not sure please 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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