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authorRobert Love <robert.w.love@intel.com>2009-11-03 11:47:50 -0800
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:01:08 -0600
commit1875f27e291d05711f15a8a3d486abfeaf385931 (patch)
tree7eb368cbc6fcec3a3859c2da092e79daf3bd68d2 /drivers/scsi/fcoe/fcoe.h
parent70b51aabf3b03fbf8d61c14847ccce4c69fb0cdd (diff)
[SCSI] fcoe: Formatting cleanups and commenting
Added kernel-doc comment blocks to all structures and functions. Renamed fc_lport instances rom lp to lport to be inline with our naming convention. Renamed all misnamed net_device instances to netdev to be inline with our naming convention. Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.h')
-rw-r--r--drivers/scsi/fcoe/fcoe.h75
1 files changed, 52 insertions, 23 deletions
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index 99dfa7c2aea..c69b2c56c2d 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -50,7 +50,7 @@ unsigned int fcoe_debug_logging;
module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
-#define FCOE_LOGGING 0x01 /* General logging, not categorized */
+#define FCOE_LOGGING 0x01 /* General logging, not categorized */
#define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */
#define FCOE_CHECK_LOGGING(LEVEL, CMD) \
@@ -70,8 +70,13 @@ do { \
printk(KERN_INFO "fcoe: %s: " fmt, \
netdev->name, ##args);)
-/*
- * this percpu struct for fcoe
+/**
+ * struct fcoe_percpu_s - The per-CPU context for FCoE receive threads
+ * @thread: The thread context
+ * @fcoe_rx_list: The queue of pending packets to process
+ * @page: The memory page for calculating frame trailer CRCs
+ * @crc_eof_offset: The offset into the CRC page pointing to available
+ * memory for a new trailer
*/
struct fcoe_percpu_s {
struct task_struct *thread;
@@ -80,38 +85,62 @@ struct fcoe_percpu_s {
int crc_eof_offset;
};
-/*
- * an FCoE interface, 1:1 with netdev
+/**
+ * struct fcoe_interface - A FCoE interface
+ * @list: Handle for a list of FCoE interfaces
+ * @netdev: The associated net device
+ * @fcoe_packet_type: FCoE packet type
+ * @fip_packet_type: FIP packet type
+ * @ctlr: The FCoE controller (for FIP)
+ * @oem: The offload exchange manager for all local port
+ * instances associated with this port
+ * @kref: The kernel reference
+ *
+ * This structure is 1:1 with a net devive.
*/
struct fcoe_interface {
- struct list_head list;
- struct net_device *netdev;
- struct packet_type fcoe_packet_type;
- struct packet_type fip_packet_type;
- struct fcoe_ctlr ctlr;
- struct fc_exch_mgr *oem; /* offload exchange manager */
- struct kref kref;
+ struct list_head list;
+ struct net_device *netdev;
+ struct packet_type fcoe_packet_type;
+ struct packet_type fip_packet_type;
+ struct fcoe_ctlr ctlr;
+ struct fc_exch_mgr *oem;
+ struct kref kref;
};
-/*
- * the FCoE private structure that's allocated along with the
- * Scsi_Host and libfc fc_lport structures
+/**
+ * struct fcoe_port - The FCoE private structure
+ * @fcoe: The associated fcoe interface
+ * @lport: The associated local port
+ * @fcoe_pending_queue: The pending Rx queue of skbs
+ * @fcoe_pending_queue_active: Indicates if the pending queue is active
+ * @timer: The queue timer
+ * @destroy_work: Handle for work context
+ * (to prevent RTNL deadlocks)
+ * @data_srt_addr: Source address for data
+ *
+ * An instance of this structure is to be allocated along with the
+ * Scsi_Host and libfc fc_lport structures.
*/
struct fcoe_port {
struct fcoe_interface *fcoe;
- struct fc_lport *lport;
- struct sk_buff_head fcoe_pending_queue;
- u8 fcoe_pending_queue_active;
- struct timer_list timer; /* queue timer */
- struct work_struct destroy_work; /* to prevent rtnl deadlocks */
- u8 data_src_addr[ETH_ALEN];
+ struct fc_lport *lport;
+ struct sk_buff_head fcoe_pending_queue;
+ u8 fcoe_pending_queue_active;
+ struct timer_list timer;
+ struct work_struct destroy_work;
+ u8 data_src_addr[ETH_ALEN];
};
#define fcoe_from_ctlr(fip) container_of(fip, struct fcoe_interface, ctlr)
-static inline struct net_device *fcoe_netdev(const struct fc_lport *lp)
+/**
+ * fcoe_netdev() - Return the net device associated with a local port
+ * @lport: The local port to get the net device from
+ */
+static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)
{
- return ((struct fcoe_port *)lport_priv(lp))->fcoe->netdev;
+ return ((struct fcoe_port *)lport_priv(lport))->fcoe->netdev;
}
#endif /* _FCOE_H_ */