We would welcome patches to the kernel. I think the first one you
mentioned is probably in the queue to be examined but our team is busy
with other development tasks at this time. Usually if there's an
objection someone will comment.

IIRC, we only use 16 queues because the rest are used for other
features. It might also be because we've done performance measurements
and we didn't see any performance increase beyond 16. People like using
all the cores and all the queues but that doesn't guarantee better
performance in the real world. You're welcome to enable all the queues
but that would require you to do some programming on your own.

On Sun, 21 Jun 2015, Marek Majkowski wrote:

> Hi!
>
> My understanding is that neither vanilla kernel ixgbe driver, nor
> intel-wired-lan one, support indirection table manipulation. There
> seem to be two workarounds:
>
> http://sourceforge.net/p/e1000/mailman/message/33105479/
>
> Or a hardcoded hacks like:
>
> https://github.com/fastly/linux/commit/76b4fe2b30dc38fab7fa94a4150be587b1806053
>
> Is there a reason why I can't manipulate indirection table with `ethtool -X`?
>
>
> Another missing feature from both drivers is the support for RSS larger than 
> 16:
>
>   
> https://github.com/fastly/linux/commit/76b88a7d4f176966cad52087c7750ab5af1771e4
>
> The same question: is there a reason why it's not supported by drivers?
>
> Cheers,
>    Marek Majkowski
>
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> E1000-devel@lists.sourceforge.net
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> To learn more about Intel® Ethernet, visit 
> http://communities.intel.com/community/wired
>

-- 
Hisashi T Fujinaka - ht...@twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee

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