From patchwork Thu Apr 23 15:26:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 6264001 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B1A11BF4A6 for ; Thu, 23 Apr 2015 15:27:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EE463203A0 for ; Thu, 23 Apr 2015 15:27:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12C7A2039D for ; Thu, 23 Apr 2015 15:27:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966349AbbDWP0o (ORCPT ); Thu, 23 Apr 2015 11:26:44 -0400 Received: from e06smtp13.uk.ibm.com ([195.75.94.109]:36984 "EHLO e06smtp13.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966377AbbDWP0k (ORCPT ); Thu, 23 Apr 2015 11:26:40 -0400 Received: from /spool/local by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 23 Apr 2015 16:26:38 +0100 Received: from d06dlp03.portsmouth.uk.ibm.com (9.149.20.15) by e06smtp13.uk.ibm.com (192.168.101.143) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Thu, 23 Apr 2015 16:26:36 +0100 Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id A778F1B08069; Thu, 23 Apr 2015 16:27:11 +0100 (BST) Received: from d06av06.portsmouth.uk.ibm.com (d06av06.portsmouth.uk.ibm.com [9.149.37.217]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t3NFQYgZ6684928; Thu, 23 Apr 2015 15:26:34 GMT Received: from d06av06.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t3NAKqa8012333; Thu, 23 Apr 2015 06:20:52 -0400 Received: from smtp.lab.toulouse-stg.fr.ibm.com (srv01.lab.toulouse-stg.fr.ibm.com [9.101.4.1]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t3NAKqQI012324; Thu, 23 Apr 2015 06:20:52 -0400 Received: from bahia.local (sig-9-84-138-12.evts.de.ibm.com [9.84.138.12]) by smtp.lab.toulouse-stg.fr.ibm.com (Postfix) with ESMTP id C4635220120; Thu, 23 Apr 2015 17:26:31 +0200 (CEST) Subject: [PATCH v5 2/8] tun: add tun_is_little_endian() helper From: Greg Kurz To: Rusty Russell , "Michael S. Tsirkin" Cc: Cornelia Huck , linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Date: Thu, 23 Apr 2015 17:26:30 +0200 Message-ID: <20150423152628.11795.87340.stgit@bahia.local> In-Reply-To: <20150423152608.11795.4373.stgit@bahia.local> References: <20150423152608.11795.4373.stgit@bahia.local> User-Agent: StGit/0.17-dirty MIME-Version: 1.0 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15042315-0013-0000-0000-000003C36269 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Greg Kurz Reviewed-by: Thomas Huth --- drivers/net/tun.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 857dca4..3c3d6c0 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -206,14 +206,19 @@ struct tun_struct { u32 flow_count; }; +static inline bool tun_is_little_endian(struct tun_struct *tun) +{ + return tun->flags & TUN_VNET_LE; +} + static inline u16 tun16_to_cpu(struct tun_struct *tun, __virtio16 val) { - return __virtio16_to_cpu(tun->flags & TUN_VNET_LE, val); + return __virtio16_to_cpu(tun_is_little_endian(tun), val); } static inline __virtio16 cpu_to_tun16(struct tun_struct *tun, u16 val) { - return __cpu_to_virtio16(tun->flags & TUN_VNET_LE, val); + return __cpu_to_virtio16(tun_is_little_endian(tun), val); } static inline u32 tun_hashfn(u32 rxhash)