2 * Copyright(c) 2009 Intel Corporation. All rights reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 * Maintained at www.Open-FCoE.org
23 #include <linux/skbuff.h>
24 #include <linux/kthread.h>
26 #define FCOE_MAX_QUEUE_DEPTH 256
27 #define FCOE_MIN_QUEUE_DEPTH 32
29 #define FCOE_WORD_TO_BYTE 4
31 #define FCOE_VERSION "0.1"
32 #define FCOE_NAME "fcoe"
33 #define FCOE_VENDOR "Open-FCoE.org"
35 #define FCOE_MAX_LUN 0xFFFF
36 #define FCOE_MAX_FCP_TARGET 256
38 #define FCOE_MAX_OUTSTANDING_COMMANDS 1024
40 #define FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */
41 #define FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */
43 extern unsigned int fcoe_debug_logging;
45 #define FCOE_LOGGING 0x01 /* General logging, not categorized */
46 #define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */
48 #define FCOE_CHECK_LOGGING(LEVEL, CMD) \
50 if (unlikely(fcoe_debug_logging & LEVEL)) \
56 #define FCOE_DBG(fmt, args...) \
57 FCOE_CHECK_LOGGING(FCOE_LOGGING, \
58 pr_info("fcoe: " fmt, ##args);)
60 #define FCOE_NETDEV_DBG(netdev, fmt, args...) \
61 FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \
62 pr_info("fcoe: %s: " fmt, \
63 netdev->name, ##args);)
66 * struct fcoe_interface - A FCoE interface
67 * @list: Handle for a list of FCoE interfaces
68 * @netdev: The associated net device
69 * @fcoe_packet_type: FCoE packet type
70 * @fip_packet_type: FIP packet type
71 * @oem: The offload exchange manager for all local port
72 * instances associated with this port
73 * @removed: Indicates fcoe interface removed from net device
74 * @priority: Priority for the FCoE packet (DCB)
75 * This structure is 1:1 with a net device.
77 struct fcoe_interface {
78 struct list_head list;
79 struct net_device *netdev;
80 struct net_device *realdev;
81 struct packet_type fcoe_packet_type;
82 struct packet_type fip_packet_type;
83 struct fc_exch_mgr *oem;
88 #define fcoe_to_ctlr(x) \
89 (struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1)
91 #define fcoe_from_ctlr(x) \
92 ((struct fcoe_interface *)((x) + 1))
95 * fcoe_netdev() - Return the net device associated with a local port
96 * @lport: The local port to get the net device from
98 static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)
100 return ((struct fcoe_interface *)
101 ((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
104 #endif /* _FCOE_H_ */