From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BE33C43381 for ; Fri, 1 Mar 2019 19:34:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 280802070B for ; Fri, 1 Mar 2019 19:34:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725988AbfCATen (ORCPT ); Fri, 1 Mar 2019 14:34:43 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:56796 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725958AbfCATen (ORCPT ); Fri, 1 Mar 2019 14:34:43 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::cf9]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 633B914F6CF0F; Fri, 1 Mar 2019 11:34:42 -0800 (PST) Date: Fri, 01 Mar 2019 11:34:41 -0800 (PST) Message-Id: <20190301.113441.1770389943014970600.davem@davemloft.net> To: Bryan.Whitehead@microchip.com Cc: netdev@vger.kernel.org, UNGLinuxDriver@microchip.com Subject: Re: [PATCH v1 net] lan743x: Fix TX Stall Issue From: David Miller In-Reply-To: <1551207986-7283-1-git-send-email-Bryan.Whitehead@microchip.com> References: <1551207986-7283-1-git-send-email-Bryan.Whitehead@microchip.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 01 Mar 2019 11:34:42 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Bryan Whitehead Date: Tue, 26 Feb 2019 14:06:26 -0500 > It has been observed that tx queue stalls while downloading > from certain web sites (example www.speedtest.net) > > The cause has been tracked down to a corner case where > dma descriptors where not setup properly. And there for a tx > completion interrupt was not signaled. > > This fix corrects the problem by properly marking the end of > a multi descriptor transmission. > > fixes: 23f0703c125b ("lan743x: Add main source files for new lan743x driver") "Fixes:" should be capitalized. > Signed-off-by: Bryan Whitehead Applied, and queued up for -stable, thanks.