Vasu Dev | fdd7802 | 2009-03-17 11:42:24 -0700 | [diff] [blame^] | 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 | |
| 29 | /* destination address mode */ |
| 30 | #define FCOE_GW_ADDR_MODE 0x00 |
| 31 | #define FCOE_FCOUI_ADDR_MODE 0x01 |
| 32 | |
| 33 | #define FCOE_WORD_TO_BYTE 4 |
| 34 | |
| 35 | #define FCOE_VERSION "0.1" |
| 36 | #define FCOE_NAME "fcoe" |
| 37 | #define FCOE_VENDOR "Open-FCoE.org" |
| 38 | |
| 39 | #define FCOE_MAX_LUN 255 |
| 40 | #define FCOE_MAX_FCP_TARGET 256 |
| 41 | |
| 42 | #define FCOE_MAX_OUTSTANDING_COMMANDS 1024 |
| 43 | |
| 44 | #define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */ |
| 45 | #define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */ |
| 46 | |
| 47 | /* |
| 48 | * this percpu struct for fcoe |
| 49 | */ |
| 50 | struct fcoe_percpu_s { |
| 51 | struct task_struct *thread; |
| 52 | struct sk_buff_head fcoe_rx_list; |
| 53 | struct page *crc_eof_page; |
| 54 | int crc_eof_offset; |
| 55 | }; |
| 56 | |
| 57 | /* |
| 58 | * the fcoe sw transport private data |
| 59 | */ |
| 60 | struct fcoe_softc { |
| 61 | struct list_head list; |
| 62 | struct fc_lport *lp; |
| 63 | struct net_device *real_dev; |
| 64 | struct net_device *phys_dev; /* device with ethtool_ops */ |
| 65 | struct packet_type fcoe_packet_type; |
| 66 | struct sk_buff_head fcoe_pending_queue; |
| 67 | u8 fcoe_pending_queue_active; |
| 68 | |
| 69 | u8 dest_addr[ETH_ALEN]; |
| 70 | u8 ctl_src_addr[ETH_ALEN]; |
| 71 | u8 data_src_addr[ETH_ALEN]; |
| 72 | /* |
| 73 | * fcoe protocol address learning related stuff |
| 74 | */ |
| 75 | u16 flogi_oxid; |
| 76 | u8 flogi_progress; |
| 77 | u8 address_mode; |
| 78 | }; |
| 79 | |
| 80 | static inline struct net_device *fcoe_netdev( |
| 81 | const struct fc_lport *lp) |
| 82 | { |
| 83 | return ((struct fcoe_softc *)lport_priv(lp))->real_dev; |
| 84 | } |
| 85 | |
| 86 | #endif /* _FCOE_H_ */ |