git://bbs.cooldavid.org / net-next-2.6.git / blame
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|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX | |
| 3 | * operating system. INET is implemented using the BSD Socket | |
| 4 | * interface as the means of communication with the user level. | |
| 5 | * | |
| 6 | * Global definitions for Fibre Channel. | |
| 7 | * | |
| 8 | * Version: @(#)if_fc.h 0.0 11/20/98 | |
| 9 | * | |
| 10 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | |
| 11 | * Donald Becker, <becker@super.org> | |
| 12 | * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> | |
| 13 | * Vineet Abraham, <vma@iol.unh.edu> | |
| 14 | * | |
| 15 | * This program is free software; you can redistribute it and/or | |
| 16 | * modify it under the terms of the GNU General Public License | |
| 17 | * as published by the Free Software Foundation; either version | |
| 18 | * 2 of the License, or (at your option) any later version. | |
| 19 | */ | |
| 20 | #ifndef _LINUX_IF_FC_H | |
| 21 | #define _LINUX_IF_FC_H | |
| 22 | ||
| ba716138 | 23 | #include <linux/types.h> |
| 1da177e4 LT |
24 | |
| 25 | #define FC_ALEN 6 /* Octets in one ethernet addr */ | |
| 26 | #define FC_HLEN (sizeof(struct fch_hdr)+sizeof(struct fcllc)) | |
| 27 | #define FC_ID_LEN 3 /* Octets in a Fibre Channel Address */ | |
| 28 | ||
| 29 | /* LLC and SNAP constants */ | |
| 30 | #define EXTENDED_SAP 0xAA | |
| 31 | #define UI_CMD 0x03 | |
| 32 | ||
| 33 | /* This is NOT the Fibre Channel frame header. The FC frame header is | |
| 34 | * constructed in the driver as the Tachyon needs certain fields in | |
| 35 | * certains positions. So, it can't be generalized here.*/ | |
| 36 | ||
| 37 | struct fch_hdr { | |
| 38 | __u8 daddr[FC_ALEN]; /* destination address */ | |
| 39 | __u8 saddr[FC_ALEN]; /* source address */ | |
| 40 | }; | |
| 41 | ||
| 42 | /* This is a Fibre Channel LLC structure */ | |
| 43 | struct fcllc { | |
| 44 | __u8 dsap; /* destination SAP */ | |
| 45 | __u8 ssap; /* source SAP */ | |
| 46 | __u8 llc; /* LLC control field */ | |
| 47 | __u8 protid[3]; /* protocol id */ | |
| 57bf1451 | 48 | __be16 ethertype; /* ether type field */ |
| 1da177e4 LT |
49 | }; |
| 50 | ||
| 51 | #endif /* _LINUX_IF_FC_H */ |