From: Josh Hunt <joh...@akamai.com>
Date: Mon, 13 Mar 2017 18:34:41 -0500

> In this particular case they really do want to know total # of bytes
> in the receive queue, not the data bytes they can consume from an
> application pov. The kernel currently only exposes this value through
> netlink or /proc/net/udp from what I saw.

Can you explain in what way this is useful?

The difference between skb->len and skb->truesize is really kernel
internal implementation detail, and I'm trying to figure out why
this would be useful to an application.

Reply via email to