1*8d741a5dSApple OSS Distributions /* 2*8d741a5dSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*8d741a5dSApple OSS Distributions * 4*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*8d741a5dSApple OSS Distributions * 6*8d741a5dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*8d741a5dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*8d741a5dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*8d741a5dSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*8d741a5dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*8d741a5dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*8d741a5dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*8d741a5dSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*8d741a5dSApple OSS Distributions * 15*8d741a5dSApple OSS Distributions * Please obtain a copy of the License at 16*8d741a5dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*8d741a5dSApple OSS Distributions * 18*8d741a5dSApple OSS Distributions * The Original Code and all software distributed under the License are 19*8d741a5dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*8d741a5dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*8d741a5dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*8d741a5dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*8d741a5dSApple OSS Distributions * Please see the License for the specific language governing rights and 24*8d741a5dSApple OSS Distributions * limitations under the License. 25*8d741a5dSApple OSS Distributions * 26*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*8d741a5dSApple OSS Distributions */ 28*8d741a5dSApple OSS Distributions /* 29*8d741a5dSApple OSS Distributions * Fundamental constants relating to FireWire network device. 30*8d741a5dSApple OSS Distributions */ 31*8d741a5dSApple OSS Distributions 32*8d741a5dSApple OSS Distributions #ifndef _NET_FIREWIRE_H_ 33*8d741a5dSApple OSS Distributions #define _NET_FIREWIRE_H_ 34*8d741a5dSApple OSS Distributions 35*8d741a5dSApple OSS Distributions #include <sys/appleapiopts.h> 36*8d741a5dSApple OSS Distributions 37*8d741a5dSApple OSS Distributions /* 38*8d741a5dSApple OSS Distributions * The number of bytes in a FireWire EUI-64. 39*8d741a5dSApple OSS Distributions */ 40*8d741a5dSApple OSS Distributions #define FIREWIRE_EUI64_LEN 8 41*8d741a5dSApple OSS Distributions 42*8d741a5dSApple OSS Distributions /* 43*8d741a5dSApple OSS Distributions * The number of bytes in the type field. 44*8d741a5dSApple OSS Distributions */ 45*8d741a5dSApple OSS Distributions #define FIREWIRE_TYPE_LEN 2 46*8d741a5dSApple OSS Distributions 47*8d741a5dSApple OSS Distributions /* 48*8d741a5dSApple OSS Distributions * The length of the header provided by the FireWire network device. 49*8d741a5dSApple OSS Distributions */ 50*8d741a5dSApple OSS Distributions #define FIREWIRE_HDR_LEN (FIREWIRE_EUI64_LEN*2+FIREWIRE_TYPE_LEN) 51*8d741a5dSApple OSS Distributions 52*8d741a5dSApple OSS Distributions /* 53*8d741a5dSApple OSS Distributions * The minimum packet length. 54*8d741a5dSApple OSS Distributions */ 55*8d741a5dSApple OSS Distributions #define FIREWIRE_MIN_LEN 64 56*8d741a5dSApple OSS Distributions 57*8d741a5dSApple OSS Distributions /* 58*8d741a5dSApple OSS Distributions * The maximum packet length. 59*8d741a5dSApple OSS Distributions */ 60*8d741a5dSApple OSS Distributions #define FIREWIRE_MAX_LEN 4096 61*8d741a5dSApple OSS Distributions 62*8d741a5dSApple OSS Distributions /* 63*8d741a5dSApple OSS Distributions * A macro to validate a length with 64*8d741a5dSApple OSS Distributions */ 65*8d741a5dSApple OSS Distributions #define FIREWIRE_IS_VALID_LEN(foo) \ 66*8d741a5dSApple OSS Distributions ((foo) >= FIREWIRE_MIN_LEN && (foo) <= FIREWIRE_MAX_LEN) 67*8d741a5dSApple OSS Distributions 68*8d741a5dSApple OSS Distributions /* 69*8d741a5dSApple OSS Distributions * Structure of header provided by the FireWire network device. 70*8d741a5dSApple OSS Distributions * 71*8d741a5dSApple OSS Distributions * The device uses a simplified header with just the non-changing 72*8d741a5dSApple OSS Distributions * EUI-64 addresses and ethernet type specified; 73*8d741a5dSApple OSS Distributions */ 74*8d741a5dSApple OSS Distributions struct firewire_header { 75*8d741a5dSApple OSS Distributions u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 76*8d741a5dSApple OSS Distributions u_char firewire_shost[FIREWIRE_EUI64_LEN]; 77*8d741a5dSApple OSS Distributions u_short firewire_type; /* ethertype */ 78*8d741a5dSApple OSS Distributions }; 79*8d741a5dSApple OSS Distributions 80*8d741a5dSApple OSS Distributions /* 81*8d741a5dSApple OSS Distributions * Format of FireWire EUI-64. 82*8d741a5dSApple OSS Distributions */ 83*8d741a5dSApple OSS Distributions struct firewire_eui64 { 84*8d741a5dSApple OSS Distributions u_char octet[FIREWIRE_EUI64_LEN]; 85*8d741a5dSApple OSS Distributions }; 86*8d741a5dSApple OSS Distributions 87*8d741a5dSApple OSS Distributions /* 88*8d741a5dSApple OSS Distributions * Format of FireWire hardware address. 89*8d741a5dSApple OSS Distributions */ 90*8d741a5dSApple OSS Distributions struct firewire_address { 91*8d741a5dSApple OSS Distributions u_char eui64[FIREWIRE_EUI64_LEN]; 92*8d741a5dSApple OSS Distributions u_char maxRec; 93*8d741a5dSApple OSS Distributions u_char spd; 94*8d741a5dSApple OSS Distributions u_int16_t unicastFifoHi; 95*8d741a5dSApple OSS Distributions u_int32_t unicastFifoLo; 96*8d741a5dSApple OSS Distributions }; 97*8d741a5dSApple OSS Distributions 98*8d741a5dSApple OSS Distributions #define FIREWIRE_ADDR_LEN 16 /* sizeof(struct firewire_address) */ 99*8d741a5dSApple OSS Distributions 100*8d741a5dSApple OSS Distributions 101*8d741a5dSApple OSS Distributions #define FIREWIRE_MTU (FIREWIRE_MAX_LEN - FIREWIRE_HDR_LEN) 102*8d741a5dSApple OSS Distributions #define FIREWIRE_MIN (FIREWIRE_MIN_LEN - FIREWIRE_HDR_LEN) 103*8d741a5dSApple OSS Distributions 104*8d741a5dSApple OSS Distributions #endif /* !_NET_FIREWIRE_H_ */ 105