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[v14,03/17] Add a ndo_mp_port_prep pointer to net_device_ops.

Message ID cd0686f2b8fc16a1d87ced228b2a90b93f008b94.1288860477.git.xiaohui.xin@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Xin, Xiaohui Nov. 4, 2010, 9:04 a.m. UTC 
None
diff mbox

Patch

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
 };
 
 /*