From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: stmmac ethernet in kernel 4.4: coalescing related pauses?
Date: Mon, 28 Nov 2016 09:54:31 -0500 (EST)
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From: Lino Sanfilippo <lsanfil@marvell.com>
Date: Mon, 28 Nov 2016 14:07:51 +0100

> Calling skb_orphan() in the xmit handler made this issue disappear.

This is not the way to handle this problem.

The solution is to free the SKBs in a timely manner after the
chip has transmitted the frame.