From patchwork Wed Nov 5 07:58:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dong Aisheng X-Patchwork-Id: 406911 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 0A0D7140098 for ; Wed, 5 Nov 2014 20:05:56 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754056AbaKEJFw (ORCPT ); Wed, 5 Nov 2014 04:05:52 -0500 Received: from mail-bn1bon0135.outbound.protection.outlook.com ([157.56.111.135]:62982 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753440AbaKEJF0 (ORCPT ); Wed, 5 Nov 2014 04:05:26 -0500 X-Greylist: delayed 90512 seconds by postgrey-1.27 at vger.kernel.org; Wed, 05 Nov 2014 04:05:25 EST Received: from DM2PR03CA0030.namprd03.prod.outlook.com (10.141.96.29) by BL2PR03MB322.namprd03.prod.outlook.com (10.141.68.17) with Microsoft SMTP Server (TLS) id 15.1.11.9; Wed, 5 Nov 2014 09:05:22 +0000 Received: from BN1AFFO11FD033.protection.gbl (2a01:111:f400:7c10::159) by DM2PR03CA0030.outlook.office365.com (2a01:111:e400:2428::29) with Microsoft SMTP Server (TLS) id 15.1.11.14 via Frontend Transport; Wed, 5 Nov 2014 09:05:21 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1AFFO11FD033.mail.protection.outlook.com (10.58.52.246) with Microsoft SMTP Server (TLS) id 15.1.6.13 via Frontend Transport; Wed, 5 Nov 2014 09:05:21 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id sA5957Qt031871; Wed, 5 Nov 2014 02:05:18 -0700 From: Dong Aisheng To: CC: , , , , , , Subject: [PATCH V1 3/4] can: add can_is_canfd_skb() API Date: Wed, 5 Nov 2014 15:58:45 +0800 Message-ID: <1415174326-6623-3-git-send-email-b29396@freescale.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415174326-6623-1-git-send-email-b29396@freescale.com> References: <1415174326-6623-1-git-send-email-b29396@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(189002)(199003)(105606002)(97736003)(26826002)(107046002)(4396001)(104016003)(31966008)(93916002)(229853001)(50986999)(46102003)(95666004)(106466001)(77156002)(2351001)(92566001)(36756003)(44976005)(33646002)(92726001)(50466002)(110136001)(89996001)(87936001)(87286001)(120916001)(88136002)(19580405001)(6806004)(48376002)(19580395003)(99396003)(68736004)(84676001)(102836001)(76176999)(21056001)(50226001)(20776003)(64706001)(62966003)(104166001)(47776003)(42262002); DIR:OUT; SFP:1102; SCL:1; SRVR:BL2PR03MB322; H:tx30smr01.am.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BL2PR03MB322; X-Exchange-Antispam-Report-Test: UriScan:; X-Forefront-PRVS: 0386B406AA Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=Aisheng.Dong@freescale.com; X-OriginatorOrg: freescale.com Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The CAN device drivers can use it to check if the frame to send is on CAN FD mode or normal CAN mode. Signed-off-by: Dong Aisheng Acked-by: Oliver Hartkopp --- include/linux/can/dev.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 6992afc..fe3be29 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -99,6 +99,11 @@ inval_skb: return 1; } +static inline int can_is_canfd_skb(struct sk_buff *skb) +{ + return skb->protocol == htons(ETH_P_CANFD); +} + /* get data length from can_dlc with sanitized can_dlc */ u8 can_dlc2len(u8 can_dlc);