[dpdk-dev] [PATCH v1 0/6] ethdev: allow unknown link speed

Thomas Monjalon thomas at monjalon.net
Thu May 7 12:31:14 CEST 2020


07/05/2020 10:53, Ivan Dyukov:
> 06.05.2020 20:42, Ferruh Yigit пишет:
> > On 4/27/2020 10:57 AM, Ivan Dyukov wrote:
> >> This is initial patchset which introduces UNKNOWN speed to dpdk
> >> applications. Also it contains changes related to printf formating.
> >> Patchset contains changes for app/ and doc/ folders.
> >> examples/ folder will be provided later.
> >>
> >>
> > Also I can see there are some physical PMDs that are using 'ETH_SPEED_NUM_NONE'
> > as unknown, can we fix them as part of this set?
> >
> Initially, we had a plan to use UNKNOWN only for virtual devices.
> 
> Thomas, could you please comment this?

No I think UNKNOWN must be used also for HW devices which are not able
to provide a speed value.

In mlx5 case, it can be used to return the link status (up/down)
even if speed query is failing (it happens with buggy kernel version).




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