Max MTU with XDP

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Subject: Max MTU with XDP
From: Srivats P <pstavirs@xxxxxxxxx>
Date: Thu, 13 May 2021 21:40:01 +0530

Hi,

I'm aware that different drivers have different max MTU that they can
support with XDP.

Is there a way to programmatically retrieve what is the max MTU
supported on a particular driver/interface with XDP/AF_XDP?

Or is setting a MTU value and trying to attach a eBPF program in a
binary search fashion wrt to MTU value between 1500 and 4096 is the
only way?

Srivats

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