blob: a1eb8c1988b07584bed2a10280a6efbf768f8813 [file] [log] [blame]
Vasu Devfdd78022009-03-17 11:42:24 -07001/*
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
Vasu Devfdd78022009-03-17 11:42:24 -070029#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;
Vasu Devfdd78022009-03-17 11:42:24 -070058 struct net_device *real_dev;
59 struct net_device *phys_dev; /* device with ethtool_ops */
60 struct packet_type fcoe_packet_type;
Joe Eykholt97c83892009-03-17 11:42:40 -070061 struct packet_type fip_packet_type;
Vasu Devfdd78022009-03-17 11:42:24 -070062 struct sk_buff_head fcoe_pending_queue;
63 u8 fcoe_pending_queue_active;
Vasu Dev1047f222009-05-06 10:52:40 -070064 struct timer_list timer; /* queue timer */
Joe Eykholt97c83892009-03-17 11:42:40 -070065 struct fcoe_ctlr ctlr;
Vasu Devfdd78022009-03-17 11:42:24 -070066};
67
Joe Eykholt97c83892009-03-17 11:42:40 -070068#define fcoe_from_ctlr(fc) container_of(fc, struct fcoe_softc, ctlr)
69
Vasu Devfdd78022009-03-17 11:42:24 -070070static inline struct net_device *fcoe_netdev(
71 const struct fc_lport *lp)
72{
73 return ((struct fcoe_softc *)lport_priv(lp))->real_dev;
74}
75
76#endif /* _FCOE_H_ */