From patchwork Fri Jan 27 03:08:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 138115 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 912781007D2 for ; Fri, 27 Jan 2012 14:09:42 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754853Ab2A0DJh (ORCPT ); Thu, 26 Jan 2012 22:09:37 -0500 Received: from mga11.intel.com ([192.55.52.93]:12673 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754730Ab2A0DIz (ORCPT ); Thu, 26 Jan 2012 22:08:55 -0500 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 26 Jan 2012 19:08:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="116843704" Received: from unknown (HELO jtkirshe-mobl.amr.corp.intel.com) ([10.255.14.17]) by fmsmga002.fm.intel.com with ESMTP; 26 Jan 2012 19:08:52 -0800 From: Jeff Kirsher To: davem@davemloft.net Cc: Bruce Allan , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jeff Kirsher Subject: [net-next 04/11] e1000e: increase Rx PBA to prevent dropping received packets on 82566/82567 Date: Thu, 26 Jan 2012 19:08:42 -0800 Message-Id: <1327633729-14086-5-git-send-email-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1327633729-14086-1-git-send-email-jeffrey.t.kirsher@intel.com> References: <1327633729-14086-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Bruce Allan During bi-directional stress on some 82566/82567 devices, some received packets were dropped. Increasing the Receive Packet Buffer Allocation resolves this. Signed-off-by: Bruce Allan Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 00b5e34..d99548c 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -4108,7 +4108,7 @@ const struct e1000_info e1000_ich9_info = { | FLAG_HAS_AMT | FLAG_HAS_FLASH | FLAG_APME_IN_WUC, - .pba = 10, + .pba = 18, .max_hw_frame_size = DEFAULT_JUMBO, .get_variants = e1000_get_variants_ich8lan, .mac_ops = &ich8_mac_ops, @@ -4125,7 +4125,7 @@ const struct e1000_info e1000_ich10_info = { | FLAG_HAS_AMT | FLAG_HAS_FLASH | FLAG_APME_IN_WUC, - .pba = 10, + .pba = 18, .max_hw_frame_size = DEFAULT_JUMBO, .get_variants = e1000_get_variants_ich8lan, .mac_ops = &ich8_mac_ops,