Re: iflib and options RSS is a no go for igbX

From: Andriy Gapon <avg_at_FreeBSD.org>
Date: Tue, 26 May 2020 18:39:37 +0300
On 26/05/2020 12:03, Hans Petter Selasky wrote:
> Hi,
> 
> I just found a bug where outgoing TCP connections over igb0 doesn't work because
> likely the software computed hash is wrong, so the incoming packets get dropped
> because they are received on the wrong queue.
> 
> It is the management port, so I'm just using this hack for now:
> 
> dev.igb.0.iflib.override_nrxqs=1
> dev.igb.0.iflib.override_ntxqs=1

This is a very common problem in our drivers.
E.g., https://reviews.freebsd.org/D24733


-- 
Andriy Gapon
Received on Tue May 26 2020 - 13:39:42 UTC

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