From patchwork Sun Apr 25 09:19:52 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Xin, Xiaohui" X-Patchwork-Id: 94929 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o3P9NmLc031171 for ; Sun, 25 Apr 2010 09:23:49 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753020Ab0DYJR1 (ORCPT ); Sun, 25 Apr 2010 05:17:27 -0400 Received: from mga01.intel.com ([192.55.52.88]:24216 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752644Ab0DYJQ5 (ORCPT ); Sun, 25 Apr 2010 05:16:57 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 25 Apr 2010 02:15:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.52,269,1270450800"; d="scan'208";a="561295817" Received: from unknown (HELO localhost.localdomain) ([10.239.36.200]) by fmsmga002.fm.intel.com with ESMTP; 25 Apr 2010 02:16:28 -0700 From: xiaohui.xin@intel.com To: netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, mingo@elte.hu, davem@davemloft.net, jdike@linux.intel.com Cc: Xin Xiaohui Subject: [RFC][PATCH v4 05/18] Add a function to indicate if device use external buffer. Date: Sun, 25 Apr 2010 17:19:52 +0800 Message-Id: <1272187206-18534-5-git-send-email-xiaohui.xin@intel.com> X-Mailer: git-send-email 1.5.4.4 In-Reply-To: <1272187206-18534-4-git-send-email-xiaohui.xin@intel.com> References: <1272187206-18534-1-git-send-email-xiaohui.xin@intel.com> <1272187206-18534-2-git-send-email-xiaohui.xin@intel.com> <1272187206-18534-3-git-send-email-xiaohui.xin@intel.com> <1272187206-18534-4-git-send-email-xiaohui.xin@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Sun, 25 Apr 2010 09:23:49 +0000 (UTC) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 2f9a4f2..a1a2aaf 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1602,6 +1602,13 @@ extern void netdev_mp_port_detach(struct net_device *dev); int netdev_mp_port_prep(struct net_device *dev, struct mpassthru_port *port); +static int dev_is_mpassthru(struct net_device *dev) +{ + if (dev && dev->mp_port) + return 1; + return 0; +} + static inline void napi_free_frags(struct napi_struct *napi) { kfree_skb(napi->skb);