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/* * 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 */ |