CONFIG_TULIP_NAPI_HW_MITIGATION: Use Interrupt Mitigation

General informations

The Linux kernel configuration item CONFIG_TULIP_NAPI_HW_MITIGATION has multiple definitions:

Use Interrupt Mitigation found in drivers/net/ethernet/dec/tulip/Kconfig

The configuration item CONFIG_TULIP_NAPI_HW_MITIGATION:

• prompt: Use Interrupt Mitigation
• type: bool
• depends on: CONFIG_TULIP_NAPI
• defined in drivers/net/ethernet/dec/tulip/Kconfig
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Use HW to reduce RX interrupts. Not strictly necessary since NAPI reduces RX interrupts by itself. Interrupt mitigation reduces RX interrupts even at low levels of traffic at the cost of a small latency.

If in doubt, say Y.

Use Interrupt Mitigation found in drivers/net/tulip/Kconfig

The configuration item CONFIG_TULIP_NAPI_HW_MITIGATION:

• prompt: Use Interrupt Mitigation
• type: bool
• depends on: CONFIG_TULIP_NAPI
• defined in drivers/net/tulip/Kconfig
• found in Linux kernels: 2.6.24–2.6.39, 3.0–3.1

Help text

Use HW to reduce RX interrupts. Not strictly necessary since NAPI reduces RX interrupts by itself. Interrupt mitigation reduces RX interrupts even at low levels of traffic at the cost of a small latency.

If in doubt, say Y.

Use Interrupt Mitigation found in drivers/net/tulip/Kconfig

The configuration item CONFIG_TULIP_NAPI_HW_MITIGATION:

• prompt: Use Interrupt Mitigation
• type: bool
• depends on: CONFIG_TULIP_NAPI
• defined in drivers/net/tulip/Kconfig
• found in Linux kernels: 2.6.3–2.6.23

Help text

Use HW to reduce RX interrupts. Not strict necessary since NAPI reduces RX interrupts but itself. Although this reduces RX interrupts even at low levels traffic at the cost of a small latency.

If in doubt, say Y.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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