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author | Yi Zou <yi.zou@intel.com> | 2011-03-09 08:48:03 +0000 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-03-11 01:17:50 -0800 |
commit | e9bce845c0cee1a492e5cee6a827ae71140fe8b3 (patch) | |
tree | 57cfe50f8aa501062ecb7cca694a74eba4797efa /include/linux | |
parent | e2444d92083cc1ceb07487425897d6d51a13e9dd (diff) | |
download | op-kernel-dev-e9bce845c0cee1a492e5cee6a827ae71140fe8b3.zip op-kernel-dev-e9bce845c0cee1a492e5cee6a827ae71140fe8b3.tar.gz |
net: add proper documentation for previously added net_device_ops for FCoE
Add proper documentation for previously added net_device_ops ops for FCoE.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/netdevice.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 7a07153..604dbf5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -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); |