From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754861Ab0EUJXt (ORCPT ); Fri, 21 May 2010 05:23:49 -0400 Received: from mga01.intel.com ([192.55.52.88]:32584 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754198Ab0EUJXr (ORCPT ); Fri, 21 May 2010 05:23:47 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.53,277,1272870000"; d="scan'208";a="569306328" 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 v6 04/19] Add a ndo_mp_port_prep pointer to net_device_ops. Date: Fri, 21 May 2010 17:30:20 +0800 Message-Id: <1274434235-5929-5-git-send-email-xiaohui.xin@intel.com> X-Mailer: git-send-email 1.5.4.4 In-Reply-To: <1274434235-5929-4-git-send-email-xiaohui.xin@intel.com> References: <1274434235-5929-1-git-send-email-xiaohui.xin@intel.com> <1274434235-5929-2-git-send-email-xiaohui.xin@intel.com> <1274434235-5929-3-git-send-email-xiaohui.xin@intel.com> <1274434235-5929-4-git-send-email-xiaohui.xin@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xin Xiaohui If the driver want to allocate external buffers, then it can export it's capability, as the skb buffer header length, the page length can be DMA, etc. The external buffers owner may utilize this. Signed-off-by: Xin Xiaohui Signed-off-by: Zhao Yu Reviewed-by: Jeff Dike --- include/linux/netdevice.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index efb575a..183c786 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -707,6 +707,10 @@ struct net_device_ops { int (*ndo_fcoe_get_wwn)(struct net_device *dev, u64 *wwn, int type); #endif +#if defined(CONFIG_MEDIATE_PASSTHRU) || defined(CONFIG_MEDIATE_PASSTHRU_MODULE) + int (*ndo_mp_port_prep)(struct net_device *dev, + struct mpassthru_port *port); +#endif }; /* -- 1.5.4.4