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Date: Mon, 16 Oct 2023 09:00:25 +0000
To: Gerhard Engleder <>
Subject: Re: [PATCH net-next] tsnep: Inline small fragments within TX descriptor


This patch was applied to netdev/net-next.git (main)
by David S. Miller <>:

On Wed, 11 Oct 2023 20:21:54 +0200 you wrote:
> The tsnep network controller is able to extend the descriptor directly
> with data to be transmitted. In this case no TX data DMA address is
> necessary. Instead of the TX data DMA address the TX data buffer is
> placed at the end of the descriptor.
> The descriptor is read with a 64 bytes DMA read by the tsnep network
> controller. If the sum of descriptor data and TX data is less than or
> equal to 64 bytes, then no additional DMA read is necessary to read the
> TX data. Therefore, it makes sense to inline small fragments up to this
> limit within the descriptor ring.
> [...]

Here is the summary with links:
  - [net-next] tsnep: Inline small fragments within TX descriptor

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