From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dale Farnsworth Subject: Re: [PATCH 33/39] mv643xx_eth: work around TX hang hardware issue Date: Thu, 5 Jun 2008 05:37:15 -0700 Message-ID: <20080605123715.GP3807@farnsworth.org> References: <1212490974-23719-1-git-send-email-buytenh@wantstofly.org> <1212490974-23719-34-git-send-email-buytenh@wantstofly.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Lennert Buytenhek Return-path: Received: from xyzzy.farnsworth.org ([65.39.95.219]:57002 "EHLO xyzzy.farnsworth.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756646AbYFEMh1 (ORCPT ); Thu, 5 Jun 2008 08:37:27 -0400 Content-Disposition: inline In-Reply-To: <1212490974-23719-34-git-send-email-buytenh@wantstofly.org> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Jun 03, 2008 at 01:02:48PM +0200, Lennert Buytenhek wrote: > Under some conditions, the TXQ ('TX queue being served') bit can clear > before all packets queued for that TX queue have been transmitted. > This patch enables TXend interrupts, and uses those to re-kick TX > queues that claim to be idle but still have queued descriptors from > the interrupt handler. > > Signed-off-by: Lennert Buytenhek > --- > drivers/net/mv643xx_eth.c | 35 ++++++++++++++++++++++++++++++----- > 1 files changed, 30 insertions(+), 5 deletions(-) Acked-by: Dale Farnsworth