105 строки
3.1 KiB
C
105 строки
3.1 KiB
C
/*
|
|
* Copyright(c) 2009 Intel Corporation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Maintained at www.Open-FCoE.org
|
|
*/
|
|
|
|
#ifndef _FCOE_H_
|
|
#define _FCOE_H_
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <linux/kthread.h>
|
|
|
|
#define FCOE_MAX_QUEUE_DEPTH 256
|
|
#define FCOE_MIN_QUEUE_DEPTH 32
|
|
|
|
#define FCOE_WORD_TO_BYTE 4
|
|
|
|
#define FCOE_VERSION "0.1"
|
|
#define FCOE_NAME "fcoe"
|
|
#define FCOE_VENDOR "Open-FCoE.org"
|
|
|
|
#define FCOE_MAX_LUN 0xFFFF
|
|
#define FCOE_MAX_FCP_TARGET 256
|
|
|
|
#define FCOE_MAX_OUTSTANDING_COMMANDS 1024
|
|
|
|
#define FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */
|
|
#define FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */
|
|
|
|
extern unsigned int fcoe_debug_logging;
|
|
|
|
#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, \
|
|
printk(KERN_INFO "fcoe: " fmt, ##args);)
|
|
|
|
#define FCOE_NETDEV_DBG(netdev, fmt, args...) \
|
|
FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \
|
|
printk(KERN_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_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_to_ctlr(x) \
|
|
(struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1)
|
|
|
|
#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_interface *)
|
|
((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
|
|
}
|
|
|
|
#endif /* _FCOE_H_ */
|