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CONFIG_NET_DMA: Network: TCP receive copy offload

General informations

The Linux kernel configuration item CONFIG_NET_DMA:

• prompt: Network: TCP receive copy offload
• type: bool
• depends on: CONFIG_DMA_ENGINE && CONFIG_NET
• defined in drivers/dma/Kconfig
• found in Linux kernels: 2.6.18–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

This enables the use of DMA engines in the network stack to offload receive copy-to-user operations, freeing CPU cycles.

Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise say N.

Hardware

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