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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright(c) 2009 Intel Corporation. All rights reserved.4 *5 * Maintained at www.Open-FCoE.org6 */7 8#ifndef _FCOE_H_9#define _FCOE_H_10 11#include <linux/skbuff.h>12#include <linux/kthread.h>13 14#define FCOE_MAX_QUEUE_DEPTH 25615#define FCOE_MIN_QUEUE_DEPTH 3216 17#define FCOE_WORD_TO_BYTE 418 19#define FCOE_VERSION "0.1"20#define FCOE_NAME "fcoe"21#define FCOE_VENDOR "Open-FCoE.org"22 23#define FCOE_MAX_LUN 0xFFFF24#define FCOE_MAX_FCP_TARGET 25625 26#define FCOE_MAX_OUTSTANDING_COMMANDS 102427 28#define FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */29#define FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */30 31extern unsigned int fcoe_debug_logging;32 33#define FCOE_LOGGING 0x01 /* General logging, not categorized */34#define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */35 36#define FCOE_CHECK_LOGGING(LEVEL, CMD) \37do { \38 if (unlikely(fcoe_debug_logging & LEVEL)) \39 do { \40 CMD; \41 } while (0); \42} while (0)43 44#define FCOE_DBG(fmt, args...) \45 FCOE_CHECK_LOGGING(FCOE_LOGGING, \46 pr_info("fcoe: " fmt, ##args);)47 48#define FCOE_NETDEV_DBG(netdev, fmt, args...) \49 FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \50 pr_info("fcoe: %s: " fmt, \51 netdev->name, ##args);)52 53/**54 * struct fcoe_interface - A FCoE interface55 * @list: Handle for a list of FCoE interfaces56 * @netdev: The associated net device57 * @fcoe_packet_type: FCoE packet type58 * @fip_packet_type: FIP packet type59 * @oem: The offload exchange manager for all local port60 * instances associated with this port61 * @removed: Indicates fcoe interface removed from net device62 * @priority: Priority for the FCoE packet (DCB)63 * This structure is 1:1 with a net device.64 */65struct fcoe_interface {66 struct list_head list;67 struct net_device *netdev;68 struct net_device *realdev;69 struct packet_type fcoe_packet_type;70 struct packet_type fip_packet_type;71 struct packet_type fip_vlan_packet_type;72 struct fc_exch_mgr *oem;73 u8 removed;74 u8 priority;75};76 77#define fcoe_to_ctlr(x) \78 (struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1)79 80#define fcoe_from_ctlr(x) \81 ((struct fcoe_interface *)((x) + 1))82 83/**84 * fcoe_netdev() - Return the net device associated with a local port85 * @lport: The local port to get the net device from86 */87static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)88{89 return ((struct fcoe_interface *)90 ((struct fcoe_port *)lport_priv(lport))->priv)->netdev;91}92 93#endif /* _FCOE_H_ */94