projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| fdd78027 VD |
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 | ||
| fdd78027 VD |
29 | #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 | ||
| d5488eb9 RL |
43 | unsigned int fcoe_debug_logging; |
| 44 | module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR); | |
| 45 | MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels"); | |
| 46 | ||
| 47 | #define FCOE_LOGGING 0x01 /* General logging, not categorized */ | |
| 48 | #define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */ | |
| 49 | ||
| 50 | #define FCOE_CHECK_LOGGING(LEVEL, CMD) \ | |
| 51 | do { \ | |
| 52 | if (unlikely(fcoe_debug_logging & LEVEL)) \ | |
| 53 | do { \ | |
| 54 | CMD; \ | |
| 55 | } while (0); \ | |
| 56 | } while (0); | |
| 57 | ||
| 58 | #define FCOE_DBG(fmt, args...) \ | |
| 59 | FCOE_CHECK_LOGGING(FCOE_LOGGING, \ | |
| 60 | printk(KERN_INFO "fcoe: " fmt, ##args);) | |
| 61 | ||
| 62 | #define FCOE_NETDEV_DBG(netdev, fmt, args...) \ | |
| 63 | FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \ | |
| 64 | printk(KERN_INFO "fcoe: %s" fmt, \ | |
| 65 | netdev->name, ##args);) | |
| 66 | ||
| fdd78027 VD |
67 | /* |
| 68 | * this percpu struct for fcoe | |
| 69 | */ | |
| 70 | struct fcoe_percpu_s { | |
| 71 | struct task_struct *thread; | |
| 72 | struct sk_buff_head fcoe_rx_list; | |
| 73 | struct page *crc_eof_page; | |
| 74 | int crc_eof_offset; | |
| 75 | }; | |
| 76 | ||
| 77 | /* | |
| 78 | * the fcoe sw transport private data | |
| 79 | */ | |
| 80 | struct fcoe_softc { | |
| 81 | struct list_head list; | |
| fdd78027 VD |
82 | struct net_device *real_dev; |
| 83 | struct net_device *phys_dev; /* device with ethtool_ops */ | |
| 84 | struct packet_type fcoe_packet_type; | |
| 97c8389d | 85 | struct packet_type fip_packet_type; |
| fdd78027 VD |
86 | struct sk_buff_head fcoe_pending_queue; |
| 87 | u8 fcoe_pending_queue_active; | |
| 1047f221 | 88 | struct timer_list timer; /* queue timer */ |
| 97c8389d | 89 | struct fcoe_ctlr ctlr; |
| fdd78027 VD |
90 | }; |
| 91 | ||
| 97c8389d JE |
92 | #define fcoe_from_ctlr(fc) container_of(fc, struct fcoe_softc, ctlr) |
| 93 | ||
| fdd78027 VD |
94 | static inline struct net_device *fcoe_netdev( |
| 95 | const struct fc_lport *lp) | |
| 96 | { | |
| 97 | return ((struct fcoe_softc *)lport_priv(lp))->real_dev; | |
| 98 | } | |
| 99 | ||
| 100 | #endif /* _FCOE_H_ */ |