|  | /* | 
|  | * INET		An implementation of the TCP/IP protocol suite for the LINUX | 
|  | *		operating system.  INET is implemented using the  BSD Socket | 
|  | *		interface as the means of communication with the user level. | 
|  | * | 
|  | *		Global definitions for Fibre Channel. | 
|  | * | 
|  | * Version:	@(#)if_fc.h	0.0	11/20/98 | 
|  | * | 
|  | * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | 
|  | *		Donald Becker, <becker@super.org> | 
|  | *    Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> | 
|  | *	  Vineet Abraham, <vma@iol.unh.edu> | 
|  | * | 
|  | *		This program is free software; you can redistribute it and/or | 
|  | *		modify it under the terms of the GNU General Public License | 
|  | *		as published by the Free Software Foundation; either version | 
|  | *		2 of the License, or (at your option) any later version. | 
|  | */ | 
|  | #ifndef _LINUX_IF_FC_H | 
|  | #define _LINUX_IF_FC_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  |  | 
|  | #define FC_ALEN	6		/* Octets in one ethernet addr	 */ | 
|  | #define FC_HLEN   (sizeof(struct fch_hdr)+sizeof(struct fcllc)) | 
|  | #define FC_ID_LEN 3		/* Octets in a Fibre Channel Address */ | 
|  |  | 
|  | /* LLC and SNAP constants */ | 
|  | #define EXTENDED_SAP 0xAA | 
|  | #define UI_CMD       0x03 | 
|  |  | 
|  | /* This is NOT the Fibre Channel frame header. The FC frame header is | 
|  | *  constructed in the driver as the Tachyon needs certain fields in | 
|  | *  certains positions. So, it can't be generalized here.*/ | 
|  |  | 
|  | struct fch_hdr { | 
|  | __u8  daddr[FC_ALEN];		/* destination address */ | 
|  | __u8  saddr[FC_ALEN];		/* source address */ | 
|  | }; | 
|  |  | 
|  | /* This is a Fibre Channel LLC structure */ | 
|  | struct fcllc { | 
|  | __u8  dsap;			/* destination SAP */ | 
|  | __u8  ssap;			/* source SAP */ | 
|  | __u8  llc;			/* LLC control field */ | 
|  | __u8  protid[3];		/* protocol id */ | 
|  | __be16 ethertype;		/* ether type field */ | 
|  | }; | 
|  |  | 
|  | #endif	/* _LINUX_IF_FC_H */ |