From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C83EECA9EAF for ; Thu, 24 Oct 2019 14:46:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A41262166E for ; Thu, 24 Oct 2019 14:46:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2409469AbfJXOqJ (ORCPT ); Thu, 24 Oct 2019 10:46:09 -0400 Received: from dispatch1-us1.ppe-hosted.com ([67.231.154.164]:36342 "EHLO dispatch1-us1.ppe-hosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732092AbfJXOqJ (ORCPT ); Thu, 24 Oct 2019 10:46:09 -0400 X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 66148140071; Thu, 24 Oct 2019 14:46:05 +0000 (UTC) Received: from cim-opti7060.uk.solarflarecom.com (10.17.20.154) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 24 Oct 2019 15:46:00 +0100 Subject: Re: [PATCH net-next 2/6] sfc: perform XDP processing on received packets. To: Jesper Dangaard Brouer CC: , , References: <05b72fdb-165c-1350-787b-ca8c5261c459@solarflare.com> <1c193147-d94a-111f-42d3-324c3e8b0282@solarflare.com> <20191023004501.4a78c300@carbon> From: Charles McLachlan Message-ID: Date: Thu, 24 Oct 2019 15:45:57 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20191023004501.4a78c300@carbon> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.17.20.154] X-ClientProxiedBy: ocex03.SolarFlarecom.com (10.20.40.36) To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-24998.003 X-TM-AS-Result: No-2.712700-8.000000-10 X-TMASE-MatchedRID: fgYTp5XatxbmLzc6AOD8DfHkpkyUphL9Ap+UH372RZWy1n9NBPtzNWdC uMvHMJPk8OUA6T+rBZS85NPA3BnulKeOtM+NJ84fq5uw61JZjZCRk6XtYogiam+YnOq0coeP0C1 sQRfQzEHEQdG7H66TyN+E/XGDLHcMc4z1GNf6xcIHbkCSwZ987yY1AzE/RLQ+zDU4EMqAzxiHL4 /znrcJ3tQ17CngTb9OBKmZVgZCVnezGTWRXUlrxxtsJUxyzWNSVlxr1FJij9s= X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--2.712700-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-24998.003 X-MDID: 1571928369-TTUxwAwogdOT Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 22/10/2019 23:45, Jesper Dangaard Brouer wrote: >> + case XDP_REDIRECT: >> + rc = xdp_do_redirect(efx->net_dev, &xdp, xdp_prog); >> + if (rc) { > > Can we call the 'rc' variable 'err' instead? > And give it an unlikely(). Yes. Done in next version of the patch set.