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[RFC,v6,04/19] Add a ndo_mp_port_prep pointer to net_device_ops.

Message ID 1274434235-5929-5-git-send-email-xiaohui.xin@intel.com
State RFC, archived
Delegated to: David Miller
Headers show

Commit Message

Xin, Xiaohui May 21, 2010, 9:30 a.m. UTC 
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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Patch

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
 };
 
 /*