[dpdk-dev] [PATCH v1 1/3] lib/ethdev: add ethdev op to get hash index

Andrew Rybchenko arybchenko at solarflare.com
Thu Oct 3 15:00:36 CEST 2019


Hi,

On 9/14/19 8:52 AM, vattunuru at marvell.com wrote:
> From: Vamsi Attunuru <vattunuru at marvell.com>
>
> Some networking devices may use custom algos for computing
> hash indices and spread the packets accordingly.
>
> Patch adds a eth_dev op to get the hash index correspond to
> the given hash value received on the given port.
>
> Some of use cases where applications would compute hash index
> from hash value upfront and it can predict the packets come to
> a specific queue.
>
> Signed-off-by: Vamsi Attunuru <vattunuru at marvell.com>

I'm sorry, but the purpose of the API and provided functionality
is unclear for me from above description.



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