From mboxrd@z Thu Jan 1 00:00:00 1970 From: xiaohui.xin@intel.com Subject: [PATCH v14 03/17] Add a ndo_mp_port_prep pointer to net_device_ops. Date: Thu, 4 Nov 2010 17:04:59 +0800 Message-ID: References: <1288861513-5707-1-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: <1288861513-5707-1-git-send-email-xiaohui.xin@intel.com> In-Reply-To: References: 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 f6b1870..575777f 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -723,6 +723,12 @@ struct netdev_rx_queue { * int (*ndo_set_vf_port)(struct net_device *dev, int vf, * struct nlattr *port[]); * int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb); + * + * 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 { @@ -795,6 +801,10 @@ 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