CONFIG_VIA_RHINE_MMIO: Use MMIO instead of PIO

General informations

The Linux kernel configuration item CONFIG_VIA_RHINE_MMIO has multiple definitions:

Use MMIO instead of PIO found in drivers/net/ethernet/via/Kconfig

The configuration item CONFIG_VIA_RHINE_MMIO:

• prompt: Use MMIO instead of PIO
• type: bool
• depends on: CONFIG_VIA_RHINE
• defined in drivers/net/ethernet/via/Kconfig
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

Help text

This instructs the driver to use PCI shared memory (MMIO) instead of programmed I/O ports (PIO). Enabling this gives an improvement in processing time in parts of the driver.

If unsure, say Y.

Use MMIO instead of PIO found in drivers/net/Kconfig

The configuration item CONFIG_VIA_RHINE_MMIO:

• prompt: Use MMIO instead of PIO
• type: bool
• depends on: CONFIG_VIA_RHINE
• defined in drivers/net/Kconfig
• found in Linux kernels: 2.6.4–2.6.39, 3.0–3.1

Help text

This instructs the driver to use PCI shared memory (MMIO) instead of programmed I/O ports (PIO). Enabling this gives an improvement in processing time in parts of the driver.

If unsure, say Y.

Use MMIO instead of PIO (EXPERIMENTAL) found in drivers/net/Kconfig

The configuration item CONFIG_VIA_RHINE_MMIO:

• prompt: Use MMIO instead of PIO (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_VIA_RHINE && CONFIG_EXPERIMENTAL
• defined in drivers/net/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.3

Help text

This instructs the driver to use PCI shared memory (MMIO) instead of programmed I/O ports (PIO). Enabling this gives an improvement in processing time in parts of the driver.

It is not known if this works reliably on all "rhine" based cards, but it has been tested successfully on some DFE-530TX adapters.

If unsure, say N.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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