[SCSI] net: add FCoE offload support through net_device
This adds support to provide Fiber Channel over Ethernet (FCoE) offload
through net_device's net_device_ops struct. The offload through net_device
for FCoE is enabled in kernel as built-in or module driver.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5c40557..7ed49f5 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -582,6 +582,14 @@
#define HAVE_NETDEV_POLL
void (*ndo_poll_controller)(struct net_device *dev);
#endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ int (*ndo_fcoe_ddp_setup)(struct net_device *dev,
+ u16 xid,
+ struct scatterlist *sgl,
+ unsigned int sgc);
+ int (*ndo_fcoe_ddp_done)(struct net_device *dev,
+ u16 xid);
+#endif
};
/*
@@ -843,6 +851,11 @@
struct dcbnl_rtnl_ops *dcbnl_ops;
#endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ /* max exchange id for FCoE LRO by ddp */
+ unsigned int fcoe_ddp_xid;
+#endif
+
#ifdef CONFIG_COMPAT_NET_DEV_OPS
struct {
int (*init)(struct net_device *dev);