From patchwork Tue Oct 25 13:17:10 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joakim Tjernlund X-Patchwork-Id: 121679 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 39C411007D9 for ; Wed, 26 Oct 2011 00:27:20 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933428Ab1JYN1P (ORCPT ); Tue, 25 Oct 2011 09:27:15 -0400 Received: from gw1.transmode.se ([195.58.98.146]:46694 "EHLO gw1.transmode.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933399Ab1JYN1P (ORCPT ); Tue, 25 Oct 2011 09:27:15 -0400 X-Greylist: delayed 572 seconds by postgrey-1.27 at vger.kernel.org; Tue, 25 Oct 2011 09:27:14 EDT Received: from mail1.transmode.se (mail1.transmode.se [192.168.201.18]) by gw1.transmode.se (Postfix) with ESMTP id 8FEF5258379; Tue, 25 Oct 2011 15:17:39 +0200 (CEST) Received: from gentoo-jocke.transmode.se ([172.20.4.10]) by mail1.transmode.se (Lotus Domino Release 8.5.2FP3) with ESMTP id 2011102515173847-80895 ; Tue, 25 Oct 2011 15:17:38 +0200 Received: from gentoo-jocke.transmode.se (localhost [127.0.0.1]) by gentoo-jocke.transmode.se (8.14.4/8.14.0) with ESMTP id p9PDHdfG006603; Tue, 25 Oct 2011 15:17:39 +0200 Received: (from jocke@localhost) by gentoo-jocke.transmode.se (8.14.4/8.14.4/Submit) id p9PDHbCM006602; Tue, 25 Oct 2011 15:17:37 +0200 From: Joakim Tjernlund To: Anton Vorontsov , netdev@vger.kernel.org Cc: Joakim Tjernlund Subject: [PATCH] net: ucc_geth, increase no. of HW RX descriptors Date: Tue, 25 Oct 2011 15:17:10 +0200 Message-Id: <1319548630-6561-1-git-send-email-Joakim.Tjernlund@transmode.se> X-Mailer: git-send-email 1.7.3.4 X-MIMETrack: Itemize by SMTP Server on mail1/Transmode(Release 8.5.2FP3|July 10, 2011) at 10/25/2011 15:17:38, Serialize by Router on mail1/Transmode(Release 8.5.2FP3|July 10, 2011) at 10/25/2011 15:17:38, Serialize complete at 10/25/2011 15:17:38 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In a busy network we see ucc_geth is dropping RX pkgs every now and then. Increase the first RX queues HW descriptors from 16 to 32 to deal with this. Signed-off-by: Joakim Tjernlund --- drivers/net/ucc_geth.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index fa00935..04e22ff 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -134,7 +134,7 @@ static struct ucc_geth_info ugeth_primary_info = { TX_BD_RING_LEN}, .bdRingLenRx = { - RX_BD_RING_LEN, + RX_BD_RING_LEN*2, RX_BD_RING_LEN, RX_BD_RING_LEN, RX_BD_RING_LEN,