From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756952Ab0G2LBd (ORCPT ); Thu, 29 Jul 2010 07:01:33 -0400 Received: from mga11.intel.com ([192.55.52.93]:58755 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752520Ab0G2LBU (ORCPT ); Thu, 29 Jul 2010 07:01:20 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.55,279,1278313200"; d="scan'208";a="590877514" 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, herbert@gondor.hengli.com.au, jdike@linux.intel.com Cc: Xin Xiaohui Subject: [RFC PATCH v8 03/16] Add a ndo_mp_port_prep func to net_device_ops. Date: Thu, 29 Jul 2010 19:14:35 +0800 Message-Id: <1280402088-5849-4-git-send-email-xiaohui.xin@intel.com> X-Mailer: git-send-email 1.5.4.4 In-Reply-To: <1280402088-5849-3-git-send-email-xiaohui.xin@intel.com> References: <1280402088-5849-1-git-send-email-xiaohui.xin@intel.com> <1280402088-5849-2-git-send-email-xiaohui.xin@intel.com> <1280402088-5849-3-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 ba582e1..aba0308 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -710,6 +710,10 @@ 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