From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lino Sanfilippo Subject: Re: stmmac ethernet in kernel 4.4: coalescing related pauses? Date: Mon, 28 Nov 2016 16:33:11 +0100 Message-ID: <5a9748bb-26ec-b97a-1e98-582b760024f7@marvell.com> References: <20161123105125.GA26394@amd> <20161128.095431.856183735501262965.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Cc: , , , To: David Miller Return-path: In-Reply-To: <20161128.095431.856183735501262965.davem@davemloft.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Hi, On 28.11.2016 15:54, David Miller wrote: > From: Lino Sanfilippo > 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. > I agree, its not a clean solution. But if the use of skb_orphan makes the delays disappear, it can at least be a hint that socket queue limits are involved. Regards, Lino