[RFC,v7,04/19] Add a ndo_mp_port_prep pointer to net_device_ops.

Submitted by Xin, Xiaohui on June 5, 2010, 10:14 a.m.


Message ID 1275732899-5423-4-git-send-email-xiaohui.xin@intel.com
State RFC
Delegated to: David Miller
Headers show

Commit Message

Xin, Xiaohui June 5, 2010, 10:14 a.m.
From: Xin Xiaohui <xiaohui.xin@intel.com>

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 <xiaohui.xin@intel.com>
Signed-off-by: Zhao Yu <yzhao81new@gmail.com>
Reviewed-by: Jeff Dike <jdike@linux.intel.com>
 include/linux/netdevice.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

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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);
+	int			(*ndo_mp_port_prep)(struct net_device *dev,
+						struct mpassthru_port *port);