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.org 6 */ 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 256 15 #define FCOE_MIN_QUEUE_DEPTH 32 16 17 #define FCOE_WORD_TO_BYTE 4 18 19 #define FCOE_VERSION "0.1" 20 #define FCOE_NAME "fcoe" 21 #define FCOE_VENDOR "Open-FCoE.org" 22 23 #define FCOE_MAX_LUN 0xFFFF 24 #define FCOE_MAX_FCP_TARGET 256 25 26 #define FCOE_MAX_OUTSTANDING_COMMANDS 1024 27 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 31 extern 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) \ 37 do { \ 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 interface 55 * @list: Handle for a list of FCoE interfaces 56 * @netdev: The associated net device 57 * @fcoe_packet_type: FCoE packet type 58 * @fip_packet_type: FIP packet type 59 * @oem: The offload exchange manager for all local port 60 * instances associated with this port 61 * @removed: Indicates fcoe interface removed from net device 62 * @priority: Priority for the FCoE packet (DCB) 63 * This structure is 1:1 with a net device. 64 */ 65 struct 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 port 85 * @lport: The local port to get the net device from 86 */ 87 static 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