Hello Édouard,

On Tue, May 3, 2022 at 9:05 PM Edouard Gaulué <lis...@e-gaulue.com> wrote:
>
> I just received a brand new server with an Intel X710 T4L inside. I
> hoped I could use it at 5GBaseT speed as claimed by Intel, but I couldn't.
>
> In fact, I run ESXi 6.7U3 on this new server and it looks it doesn't
> support this speed (2.5G neither). I downloaded Intel driver source code
> and discovered there was an incompatibility between 5GBaseT and DCB. But
> then vmware support team, point me the driver used by ESXi is i40en and
> not i40e.
>
> Are those drivers totally different? It looks to. Error strings found in
> vmkernel.log couldn't be found in the source code. Is there any way to
> get sources for i40en? For patching and rebuild.
>
> Any idea on who I should write to discuss with those i40en driver
> maintainers? Here or totally out of scope?

DPDK provides userspace drivers for various nics.
If you are looking at kernel drivers issues, then yes, your mail seems
out of scope :-).

Afaics, i40en is a VMware thing, so the solution is probably to
continue with VMware support.
I copied some Intel *DPDK* driver maintainers who might have a better idea.


-- 
David Marchand

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