[dpdk-dev] [RFC v1 0/3] show the Rx/Tx burst description field

David Marchand david.marchand at redhat.com
Mon Aug 12 16:27:11 CEST 2019

On Mon, Aug 12, 2019 at 4:20 PM Haiyue Wang <haiyue.wang at intel.com> wrote:
> Since some PMDs have multi-path for Rx/Tx, FD.io VPP will tell you in
> the Debug CLI what rx/tx function is being used:
>         #show hardware-interface
>          tx burst function: ice_xmit_pkts
>          rx burst function: ice_recv_scattered_pkts
> But if the tx/rx is static, then 'dladdr' will return nil:
>          tx burst function: (nil) │······················
>          rx burst function: (nil) │······················
> For making things consistent and gracefull, we introduce an new string
> field to describe the Rx/Tx burst information. This is vendor-neutral,
> it is used to identify the Rx/Tx burst selection if the PMD has more
> than one.
> If a PMD supports this, then rxqinfo/txqinfo->burst_info[0] != '\0'.

The rx/tx handlers are the same for all queues of a ethdev port.
What is the added value to put this in a per queue api ?

David Marchand

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