From patchwork Tue Apr 7 12:09:47 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 6169361 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 E3A2DBF4A6 for ; Tue, 7 Apr 2015 12:10:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 23DAC202B4 for ; Tue, 7 Apr 2015 12:10:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 371D32025A for ; Tue, 7 Apr 2015 12:10:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753314AbbDGMJ7 (ORCPT ); Tue, 7 Apr 2015 08:09:59 -0400 Received: from e06smtp13.uk.ibm.com ([195.75.94.109]:34799 "EHLO e06smtp13.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753305AbbDGMJ4 (ORCPT ); Tue, 7 Apr 2015 08:09:56 -0400 Received: from /spool/local by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 7 Apr 2015 13:09:54 +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; Tue, 7 Apr 2015 13:09:51 +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 14B021B08061; Tue, 7 Apr 2015 13:10:22 +0100 (BST) Received: from d06av04.portsmouth.uk.ibm.com (d06av04.portsmouth.uk.ibm.com [9.149.37.216]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t37C9ouU46203074; Tue, 7 Apr 2015 12:09:50 GMT Received: from d06av04.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av04.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t37C9m89020893; Tue, 7 Apr 2015 06:09:50 -0600 Received: from smtp.lab.toulouse-stg.fr.ibm.com (srv01.lab.toulouse-stg.fr.ibm.com [9.101.4.1]) by d06av04.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t37C9lVL020852; Tue, 7 Apr 2015 06:09:47 -0600 Received: from bahia.lab.toulouse-stg.fr.ibm.com (bahia.lab.toulouse-stg.fr.ibm.com [9.101.4.41]) by smtp.lab.toulouse-stg.fr.ibm.com (Postfix) with ESMTP id A8193220353; Tue, 7 Apr 2015 14:09:47 +0200 (CEST) Subject: [PATCH v3 2/7] tun: add tun_is_little_endian() helper From: Greg Kurz To: Rusty Russell , "Michael S. Tsirkin" Cc: linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Date: Tue, 07 Apr 2015 14:09:47 +0200 Message-ID: <20150407120946.4213.27873.stgit@bahia.lab.toulouse-stg.fr.ibm.com> In-Reply-To: <20150407120929.4213.8225.stgit@bahia.lab.toulouse-stg.fr.ibm.com> References: <20150407120929.4213.8225.stgit@bahia.lab.toulouse-stg.fr.ibm.com> User-Agent: StGit/0.17-dirty MIME-Version: 1.0 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15040712-0013-0000-0000-0000038F9194 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 --- 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)