1c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 2c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * INET An implementation of the TCP/IP protocol suite for the LINUX 3c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * operating system. INET is implemented using the BSD Socket 4c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * interface as the means of communication with the user level. 5c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 6c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Global definitions for Fibre Channel. 7c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 8c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Version: @(#)if_fc.h 0.0 11/20/98 9c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 10c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 11c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Donald Becker, <becker@super.org> 12c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> 13c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Vineet Abraham, <vma@iol.unh.edu> 14c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 15c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * This program is free software; you can redistribute it and/or 16c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * modify it under the terms of the GNU General Public License 17c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * as published by the Free Software Foundation; either version 18c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 2 of the License, or (at your option) any later version. 19c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 20c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef _LINUX_IF_FC_H 21c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _LINUX_IF_FC_H 22c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 23c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 24c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define FC_ALEN 6 /* Octets in one ethernet addr */ 25c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define FC_HLEN (sizeof(struct fch_hdr)+sizeof(struct fcllc)) 26c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define FC_ID_LEN 3 /* Octets in a Fibre Channel Address */ 27c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 28c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* LLC and SNAP constants */ 29c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EXTENDED_SAP 0xAA 30c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define UI_CMD 0x03 31c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 32c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* This is NOT the Fibre Channel frame header. The FC frame header is 33c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * constructed in the driver as the Tachyon needs certain fields in 34c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * certains positions. So, it can't be generalized here.*/ 35c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 36c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct fch_hdr { 37c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __u8 daddr[FC_ALEN]; /* destination address */ 38c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __u8 saddr[FC_ALEN]; /* source address */ 39c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 40c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 41c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* This is a Fibre Channel LLC structure */ 42c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct fcllc { 43c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __u8 dsap; /* destination SAP */ 44c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __u8 ssap; /* source SAP */ 45c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __u8 llc; /* LLC control field */ 46c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __u8 protid[3]; /* protocol id */ 47c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __be16 ethertype; /* ether type field */ 48c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 49c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 50c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* _LINUX_IF_FC_H */ 51