They're UHD settings, not NIC settings. So, you cannot change them in the NIC.

What your NIC needs to support are the large ethernet frame sizes ("jumboframes"), but I doubt that's someone your NIC needs help with – it's probably a network stack problem if the MTU is set too low.

Best regards,
Marcus

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On 29.04.22 09:50, Nikos Balkanas wrote:
Hi,

uhd_usrp_probe reports that I should raise my send_frame_size &
recv_frame_size arguments.
USRP Manual, transport notes, report to change them in device or
stream arguments.
Anyone knows how to change these settings in the NIC?
I have a 10 Gb MLNX NIC and just upgraded my Ubuntu from 14.04 to
20.04. I am pretty sure I had some of these optimizations in the NIC
using ethtool? Anyone remembers what these optimizations were?

TIA
Nikos
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