From mboxrd@z Thu Jan 1 00:00:00 1970 From: xiaohui.xin@intel.com Subject: [PATCH v12 03/17] Add a ndo_mp_port_prep pointer to net_device_ops. Date: Thu, 30 Sep 2010 22:04:20 +0800 Message-ID: <71d822c4ef96c404f21fce724549c0ba9f71bd36.1285853725.git.xiaohui.xin@intel.com> References: <1285855474-12110-1-git-send-email-xiaohui.xin@intel.com> Cc: Xin Xiaohui 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.apana.org.au, jdike@linux.intel.com Return-path: In-Reply-To: <1285855474-12110-1-git-send-email-xiaohui.xin@intel.com> In-Reply-To: <59d8a50047ee01e26658fd676d26c0162b79e5fd.1285853725.git.xiaohui.xin@intel.com> References: <59d8a50047ee01e26658fd676d26c0162b79e5fd.1285853725.git.xiaohui.xin@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.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 | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9ef9bf1..24a31e7 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -651,6 +651,12 @@ struct mp_port { * int (*ndo_set_vf_tx_rate)(struct net_device *dev, int vf, int rate); * int (*ndo_get_vf_config)(struct net_device *dev, * int vf, struct ifla_vf_info *ivf); + * + * int (*ndo_mp_port_prep)(struct net_device *dev, struct mp_port *port); + * 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. */ #define HAVE_NET_DEVICE_OPS struct net_device_ops { @@ -713,6 +719,10 @@ 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 mp_port *port); +#endif }; /* -- 1.7.3