Re: [PATCH net-next] atl1c: add 4 RX/TX queue support for Mikrotik 10/25G NIC

From: David Miller
Date: Mon May 24 2021 - 17:24:37 EST


From: Gatis Peisenieks <gatis@xxxxxxxxxxxx>
Date: Mon, 24 May 2021 22:11:15 +0300

> More RX/TX queues on a network card help spread the CPU load among
> cores and achieve higher overall networking performance. The new
> Mikrotik 10/25G NIC supports 4 RX and 4 TX queues. TX queues are
> treated with equal priority. RX queue balancing is fixed based on
> L2/L3/L4 hash.
>
> This adds support for 4 RX/TX queues while maintaining backwards
> compatibility with older hardware.
>
> Simultaneous TX + RX performance on AMD Threadripper 3960X
> with Mikrotik 10/25G NIC improved from 1.6Mpps to 3.2Mpps per port.
>
> Backwards compatiblitiy was verified with AR8151 and AR8131 based
> NICs.
>
> Signed-off-by: Gatis Peisenieks <gatis@xxxxxxxxxxxx>

This does not apply cleanly to net-next, please respin.

Thank you.