aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/fcoe/fcoe.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.h')
-rw-r--r--drivers/scsi/fcoe/fcoe.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
new file mode 100644
index 000000000000..917aae886897
--- /dev/null
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -0,0 +1,75 @@
1/*
2 * Copyright(c) 2009 Intel Corporation. All rights reserved.
3 *
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.
7 *
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
11 * more details.
12 *
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.
16 *
17 * Maintained at www.Open-FCoE.org
18 */
19
20#ifndef _FCOE_H_
21#define _FCOE_H_
22
23#include <linux/skbuff.h>
24#include <linux/kthread.h>
25
26#define FCOE_MAX_QUEUE_DEPTH 256
27#define FCOE_LOW_QUEUE_DEPTH 32
28
29#define FCOE_WORD_TO_BYTE 4
30
31#define FCOE_VERSION "0.1"
32#define FCOE_NAME "fcoe"
33#define FCOE_VENDOR "Open-FCoE.org"
34
35#define FCOE_MAX_LUN 255
36#define FCOE_MAX_FCP_TARGET 256
37
38#define FCOE_MAX_OUTSTANDING_COMMANDS 1024
39
40#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */
41#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */
42
43/*
44 * this percpu struct for fcoe
45 */
46struct fcoe_percpu_s {
47 struct task_struct *thread;
48 struct sk_buff_head fcoe_rx_list;
49 struct page *crc_eof_page;
50 int crc_eof_offset;
51};
52
53/*
54 * the fcoe sw transport private data
55 */
56struct fcoe_softc {
57 struct list_head list;
58 struct net_device *real_dev;
59 struct net_device *phys_dev; /* device with ethtool_ops */
60 struct packet_type fcoe_packet_type;
61 struct packet_type fip_packet_type;
62 struct sk_buff_head fcoe_pending_queue;
63 u8 fcoe_pending_queue_active;
64 struct fcoe_ctlr ctlr;
65};
66
67#define fcoe_from_ctlr(fc) container_of(fc, struct fcoe_softc, ctlr)
68
69static inline struct net_device *fcoe_netdev(
70 const struct fc_lport *lp)
71{
72 return ((struct fcoe_softc *)lport_priv(lp))->real_dev;
73}
74
75#endif /* _FCOE_H_ */