1*53ee8cc1Swenshuai.xi /* 2*53ee8cc1Swenshuai.xi * INET An implementation of the TCP/IP protocol suite for the LINUX 3*53ee8cc1Swenshuai.xi * operating system. INET is implemented using the BSD Socket 4*53ee8cc1Swenshuai.xi * interface as the means of communication with the user level. 5*53ee8cc1Swenshuai.xi * 6*53ee8cc1Swenshuai.xi * Global definitions for Fibre Channel. 7*53ee8cc1Swenshuai.xi * 8*53ee8cc1Swenshuai.xi * Version: @(#)if_fc.h 0.0 11/20/98 9*53ee8cc1Swenshuai.xi * 10*53ee8cc1Swenshuai.xi * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 11*53ee8cc1Swenshuai.xi * Donald Becker, <becker@super.org> 12*53ee8cc1Swenshuai.xi * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> 13*53ee8cc1Swenshuai.xi * Vineet Abraham, <vma@iol.unh.edu> 14*53ee8cc1Swenshuai.xi * 15*53ee8cc1Swenshuai.xi * This program is free software; you can redistribute it and/or 16*53ee8cc1Swenshuai.xi * modify it under the terms of the GNU General Public License 17*53ee8cc1Swenshuai.xi * as published by the Free Software Foundation; either version 18*53ee8cc1Swenshuai.xi * 2 of the License, or (at your option) any later version. 19*53ee8cc1Swenshuai.xi */ 20*53ee8cc1Swenshuai.xi #ifndef _LINUX_IF_FC_H 21*53ee8cc1Swenshuai.xi #define _LINUX_IF_FC_H 22*53ee8cc1Swenshuai.xi 23*53ee8cc1Swenshuai.xi 24*53ee8cc1Swenshuai.xi #define FC_ALEN 6 /* Octets in one ethernet addr */ 25*53ee8cc1Swenshuai.xi #define FC_HLEN (sizeof(struct fch_hdr)+sizeof(struct fcllc)) 26*53ee8cc1Swenshuai.xi #define FC_ID_LEN 3 /* Octets in a Fibre Channel Address */ 27*53ee8cc1Swenshuai.xi 28*53ee8cc1Swenshuai.xi /* LLC and SNAP constants */ 29*53ee8cc1Swenshuai.xi #define EXTENDED_SAP 0xAA 30*53ee8cc1Swenshuai.xi #define UI_CMD 0x03 31*53ee8cc1Swenshuai.xi 32*53ee8cc1Swenshuai.xi /* This is NOT the Fibre Channel frame header. The FC frame header is 33*53ee8cc1Swenshuai.xi * constructed in the driver as the Tachyon needs certain fields in 34*53ee8cc1Swenshuai.xi * certains positions. So, it can't be generalized here.*/ 35*53ee8cc1Swenshuai.xi 36*53ee8cc1Swenshuai.xi struct fch_hdr { 37*53ee8cc1Swenshuai.xi __u8 daddr[FC_ALEN]; /* destination address */ 38*53ee8cc1Swenshuai.xi __u8 saddr[FC_ALEN]; /* source address */ 39*53ee8cc1Swenshuai.xi }; 40*53ee8cc1Swenshuai.xi 41*53ee8cc1Swenshuai.xi /* This is a Fibre Channel LLC structure */ 42*53ee8cc1Swenshuai.xi struct fcllc { 43*53ee8cc1Swenshuai.xi __u8 dsap; /* destination SAP */ 44*53ee8cc1Swenshuai.xi __u8 ssap; /* source SAP */ 45*53ee8cc1Swenshuai.xi __u8 llc; /* LLC control field */ 46*53ee8cc1Swenshuai.xi __u8 protid[3]; /* protocol id */ 47*53ee8cc1Swenshuai.xi __be16 ethertype; /* ether type field */ 48*53ee8cc1Swenshuai.xi }; 49*53ee8cc1Swenshuai.xi 50*53ee8cc1Swenshuai.xi #endif /* _LINUX_IF_FC_H */ 51