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path: root/drivers/scsi/fcoe/fcoe.h
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe.h')
-rw-r--r--drivers/scsi/fcoe/fcoe.h85
1 files changed, 57 insertions, 28 deletions
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index 917aae88689..2b53672bf93 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -24,7 +24,7 @@
#include <linux/kthread.h>
#define FCOE_MAX_QUEUE_DEPTH 256
-#define FCOE_LOW_QUEUE_DEPTH 32
+#define FCOE_MIN_QUEUE_DEPTH 32
#define FCOE_WORD_TO_BYTE 4
@@ -32,44 +32,73 @@
#define FCOE_NAME "fcoe"
#define FCOE_VENDOR "Open-FCoE.org"
-#define FCOE_MAX_LUN 255
+#define FCOE_MAX_LUN 0xFFFF
#define FCOE_MAX_FCP_TARGET 256
#define FCOE_MAX_OUTSTANDING_COMMANDS 1024
-#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */
-#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */
+#define FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */
+#define FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */
-/*
- * this percpu struct for fcoe
- */
-struct fcoe_percpu_s {
- struct task_struct *thread;
- struct sk_buff_head fcoe_rx_list;
- struct page *crc_eof_page;
- int crc_eof_offset;
-};
+extern unsigned int fcoe_debug_logging;
-/*
- * the fcoe sw transport private data
+#define FCOE_LOGGING 0x01 /* General logging, not categorized */
+#define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */
+
+#define FCOE_CHECK_LOGGING(LEVEL, CMD) \
+do { \
+ if (unlikely(fcoe_debug_logging & LEVEL)) \
+ do { \
+ CMD; \
+ } while (0); \
+} while (0)
+
+#define FCOE_DBG(fmt, args...) \
+ FCOE_CHECK_LOGGING(FCOE_LOGGING, \
+ pr_info("fcoe: " fmt, ##args);)
+
+#define FCOE_NETDEV_DBG(netdev, fmt, args...) \
+ FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \
+ pr_info("fcoe: %s: " fmt, \
+ netdev->name, ##args);)
+
+/**
+ * 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
+ * @oem: The offload exchange manager for all local port
+ * instances associated with this port
+ * @removed: Indicates fcoe interface removed from net device
+ * @priority: Priority for the FCoE packet (DCB)
+ * This structure is 1:1 with a net device.
*/
-struct fcoe_softc {
- struct list_head list;
- struct net_device *real_dev;
- struct net_device *phys_dev; /* device with ethtool_ops */
- struct packet_type fcoe_packet_type;
- struct packet_type fip_packet_type;
- struct sk_buff_head fcoe_pending_queue;
- u8 fcoe_pending_queue_active;
- struct fcoe_ctlr ctlr;
+struct fcoe_interface {
+ struct list_head list;
+ struct net_device *netdev;
+ struct net_device *realdev;
+ struct packet_type fcoe_packet_type;
+ struct packet_type fip_packet_type;
+ struct fc_exch_mgr *oem;
+ u8 removed;
+ u8 priority;
};
-#define fcoe_from_ctlr(fc) container_of(fc, struct fcoe_softc, ctlr)
+#define fcoe_to_ctlr(x) \
+ (struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1)
-static inline struct net_device *fcoe_netdev(
- const struct fc_lport *lp)
+#define fcoe_from_ctlr(x) \
+ ((struct fcoe_interface *)((x) + 1))
+
+/**
+ * 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_softc *)lport_priv(lp))->real_dev;
+ return ((struct fcoe_interface *)
+ ((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
}
#endif /* _FCOE_H_ */