Hi Mabi,
On Fri, Apr 05, 2024 at 05:24:27PM +0000, mabi wrote:
> First thank you for another great OpenBSD release. I just updated my
> home firewall today and was wondering about the performance of TSO
> support on bnxt and em interfaces which have been added to the 7.5
> release...
>
> Does anyone know roughly the performance gains by having TSO support
> on these NICs enabled?
Pure sending will saturate your interface 1/10 Gbit/s. So, it depends
on your traffic source. The receiving speed of the opposite interface
will be the bottleneck of the em(4)/bnxt(4) sending interface. Also
the speed of your disk, when you send local files over network.
TSO in general just helps with bulk traffic like Downloads. If your
firewall just handles many small TCP connections, it wont help you that
much.
bye,
Jan
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