From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-2?Q?Micha=B3_Miros=B3aw?= Subject: Re: Netxen packet loss with VLANs and LRO (was: [PATCH] netxen: fix LRO disable warning) Date: Tue, 5 Apr 2011 12:38:08 +0200 Message-ID: References: <1300703828-6291-1-git-send-email-amit.salecha@qlogic.com> <20110403190555.GA16196@torres.zugschlus.de> <99737F4847ED0A48AECC9F4A1974A4B80FD10E8E3C@MNEXMB2.qlogic.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Marc Haber , "davem@davemloft.net" , "netdev@vger.kernel.org" , Ameen Rahman , Rajesh Borundia To: Amit Salecha Return-path: Received: from mail-qw0-f46.google.com ([209.85.216.46]:54231 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751223Ab1DEKi3 convert rfc822-to-8bit (ORCPT ); Tue, 5 Apr 2011 06:38:29 -0400 Received: by qwk3 with SMTP id 3so124182qwk.19 for ; Tue, 05 Apr 2011 03:38:28 -0700 (PDT) In-Reply-To: <99737F4847ED0A48AECC9F4A1974A4B80FD10E8E3C@MNEXMB2.qlogic.org> Sender: netdev-owner@vger.kernel.org List-ID: 2011/4/5 Amit Salecha : >> On Mon, Mar 21, 2011 at 03:37:08AM -0700, Amit Kumar Salecha wrote: >> > netxen_nic_set_flags() rejects data if other flag than ETH_FLAG_LR= O >> is set. >> > Driver also supports NETIF_F_HW_VLAN_TX. >> > Now compare data with ethtool_op_get_flags(), to get all supported >> features. [...] >> My ethtool doesn't allow me to influence the LRO setting alone - it = is >> disabled when I set rx off but doesn't come on again when rx is set = to >> on again. So, ethtool -K rx off, ethtool -K rx on fixes the issue. > If rx csum is disabled, LRO will be disable. LRO won't be enabled aut= omatically if you enable rx csum. > You need to explicitly enable LRO. This will change once the driver is converted to hw_features. Best Regards, Micha=C5=82 Miros=C5=82aw