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/include/linux/if_fc.h

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C++ Header | 51 lines | 20 code | 7 blank | 24 comment | 0 complexity | 88c76aa4265a2ec6eb925999f18f9383 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 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
23#include <linux/types.h>
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
37struct 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 */
43struct fcllc {
44	__u8  dsap;			/* destination SAP */
45	__u8  ssap;			/* source SAP */
46	__u8  llc;			/* LLC control field */
47	__u8  protid[3];		/* protocol id */
48	__be16 ethertype;		/* ether type field */
49};
50
51#endif	/* _LINUX_IF_FC_H */