High priority for the tx queue in netmap

[Vincenzo Maffione]

Hi,
  I think with ethtool on Linux you can play at least with the weight to
give to each TX queue for the round-robin algorithm. Of course not all the
cards implement this. I think Intel 10Gbit cards support it.

Cheers,
  VIncenzo

2017-01-24 8:17 GMT+01:00 Sepherosa Ziehau <sepherosa at gmail.com>:

> On Tue, Jan 24, 2017 at 3:00 PM, Xiaoye Sun <Xiaoye.Sun at rice.edu> wrote:
> > I'm using the typical intel 10 Gbps nic.
> > Does ethtool have related configuration command?
>
> You can check Intel's spec on their website for the chip you use.
> They have very good documentation.  IIRC, the default behavior is to
> round-robin TX queue on packet boundary (after TSO segementation).
>
> Don't know about Linux driver's state, but you have the detailed
> document, you can always change the code as you like for your own
> stuffs.
>
> Thanks,
> sephe
>
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Vincenzo Maffione