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-rw-r--r--drivers/scsi/fcoe/fcoe.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
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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/* destination address mode */
30#define FCOE_GW_ADDR_MODE 0x00
31#define FCOE_FCOUI_ADDR_MODE 0x01
32
33#define FCOE_WORD_TO_BYTE 4
34
35#define FCOE_VERSION "0.1"
36#define FCOE_NAME "fcoe"
37#define FCOE_VENDOR "Open-FCoE.org"
38
39#define FCOE_MAX_LUN 255
40#define FCOE_MAX_FCP_TARGET 256
41
42#define FCOE_MAX_OUTSTANDING_COMMANDS 1024
43
44#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */
45#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */
46
47/*
48 * this percpu struct for fcoe
49 */
50struct fcoe_percpu_s {
51 struct task_struct *thread;
52 struct sk_buff_head fcoe_rx_list;
53 struct page *crc_eof_page;
54 int crc_eof_offset;
55};
56
57/*
58 * the fcoe sw transport private data
59 */
60struct fcoe_softc {
61 struct list_head list;
62 struct fc_lport *lp;
63 struct net_device *real_dev;
64 struct net_device *phys_dev; /* device with ethtool_ops */
65 struct packet_type fcoe_packet_type;
66 struct sk_buff_head fcoe_pending_queue;
67 u8 fcoe_pending_queue_active;
68
69 u8 dest_addr[ETH_ALEN];
70 u8 ctl_src_addr[ETH_ALEN];
71 u8 data_src_addr[ETH_ALEN];
72 /*
73 * fcoe protocol address learning related stuff
74 */
75 u16 flogi_oxid;
76 u8 flogi_progress;
77 u8 address_mode;
78};
79
80static inline struct net_device *fcoe_netdev(
81 const struct fc_lport *lp)
82{
83 return ((struct fcoe_softc *)lport_priv(lp))->real_dev;
84}
85
86#endif /* _FCOE_H_ */