net: add proper documentation for previously added net_device_ops for FCoE (e9bce845) · Commits · e / devices / android_kernel_fairphone_FP3

include/linux/netdevice.h

+36 −0

Original line number	Diff line number	Diff line
		@@ -777,6 +777,42 @@ struct netdev_tc_txq {
		* queues stopped. This allows the netdevice to perform queue management
		* safely.
		*
		* Fiber Channel over Ethernet (FCoE) offload functions.
		* int (ndo_fcoe_enable)(struct net_device dev);
		* Called when the FCoE protocol stack wants to start using LLD for FCoE
		* so the underlying device can perform whatever needed configuration or
		* initialization to support acceleration of FCoE traffic.
		*
		* int (ndo_fcoe_disable)(struct net_device dev);
		* Called when the FCoE protocol stack wants to stop using LLD for FCoE
		* so the underlying device can perform whatever needed clean-ups to
		* stop supporting acceleration of FCoE traffic.
		*
		* int (ndo_fcoe_ddp_setup)(struct net_device dev, u16 xid,
		* struct scatterlist *sgl, unsigned int sgc);
		* Called when the FCoE Initiator wants to initialize an I/O that
		* is a possible candidate for Direct Data Placement (DDP). The LLD can
		* perform necessary setup and returns 1 to indicate the device is set up
		* successfully to perform DDP on this I/O, otherwise this returns 0.
		*
		* int (ndo_fcoe_ddp_done)(struct net_device dev, u16 xid);
		* Called when the FCoE Initiator/Target is done with the DDPed I/O as
		* indicated by the FC exchange id 'xid', so the underlying device can
		* clean up and reuse resources for later DDP requests.
		*
		* int (ndo_fcoe_ddp_target)(struct net_device dev, u16 xid,
		* struct scatterlist *sgl, unsigned int sgc);
		* Called when the FCoE Target wants to initialize an I/O that
		* is a possible candidate for Direct Data Placement (DDP). The LLD can
		* perform necessary setup and returns 1 to indicate the device is set up
		* successfully to perform DDP on this I/O, otherwise this returns 0.
		*
		* int (ndo_fcoe_get_wwn)(struct net_device dev, u64 *wwn, int type);
		* Called when the underlying device wants to override default World Wide
		* Name (WWN) generation mechanism in FCoE protocol stack to pass its own
		* World Wide Port Name (WWPN) or World Wide Node Name (WWNN) to the FCoE
		* protocol stack to use.
		*
		* RFS acceleration.
		* int (ndo_rx_flow_steer)(struct net_device dev, const struct sk_buff *skb,
		* u16 rxq_index, u32 flow_id);