Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966440AbbD2QDO (ORCPT ); Wed, 29 Apr 2015 12:03:14 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:48452 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966173AbbD2QDM (ORCPT ); Wed, 29 Apr 2015 12:03:12 -0400 Date: Wed, 29 Apr 2015 12:03:08 -0400 (EDT) Message-Id: <20150429.120308.467089046514986430.davem@davemloft.net> To: gnomes@lxorguk.ukuu.org.uk Cc: jaeden.amero@ni.com, nicolas.ferre@atmel.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, jeff.westfahl@ni.com, mihai.neagu@ni.com Subject: Re: [PATCH RFC] net/macb: Fix UDPv4 checksum offload From: David Miller In-Reply-To: <20150429111521.288902f6@lxorguk.ukuu.org.uk> References: <20150427.224713.291017556251723132.davem@davemloft.net> <553FEF66.7010503@ni.com> <20150429111521.288902f6@lxorguk.ukuu.org.uk> X-Mailer: Mew version 6.6 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) 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]); Wed, 29 Apr 2015 09:03:11 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 560 Lines: 15 From: One Thousand Gnomes Date: Wed, 29 Apr 2015 11:15:21 +0100 >> Unfortunately, the Cadence MACB doesn't support the enabling or >> disabling of checksum generation per descriptor. > > So how does packet forwarding work ? Yeah actually rechecksumming in that scenerio is illegal. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/