1*a1e26a70SApple OSS Distributions /* 2*a1e26a70SApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*a1e26a70SApple OSS Distributions * 4*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*a1e26a70SApple OSS Distributions * 6*a1e26a70SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*a1e26a70SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*a1e26a70SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*a1e26a70SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*a1e26a70SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*a1e26a70SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*a1e26a70SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*a1e26a70SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*a1e26a70SApple OSS Distributions * 15*a1e26a70SApple OSS Distributions * Please obtain a copy of the License at 16*a1e26a70SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*a1e26a70SApple OSS Distributions * 18*a1e26a70SApple OSS Distributions * The Original Code and all software distributed under the License are 19*a1e26a70SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*a1e26a70SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*a1e26a70SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*a1e26a70SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*a1e26a70SApple OSS Distributions * Please see the License for the specific language governing rights and 24*a1e26a70SApple OSS Distributions * limitations under the License. 25*a1e26a70SApple OSS Distributions * 26*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*a1e26a70SApple OSS Distributions */ 28*a1e26a70SApple OSS Distributions /* 29*a1e26a70SApple OSS Distributions * Fundamental constants relating to FireWire network device. 30*a1e26a70SApple OSS Distributions */ 31*a1e26a70SApple OSS Distributions 32*a1e26a70SApple OSS Distributions #ifndef _NET_FIREWIRE_H_ 33*a1e26a70SApple OSS Distributions #define _NET_FIREWIRE_H_ 34*a1e26a70SApple OSS Distributions 35*a1e26a70SApple OSS Distributions #include <sys/appleapiopts.h> 36*a1e26a70SApple OSS Distributions 37*a1e26a70SApple OSS Distributions /* 38*a1e26a70SApple OSS Distributions * The number of bytes in a FireWire EUI-64. 39*a1e26a70SApple OSS Distributions */ 40*a1e26a70SApple OSS Distributions #define FIREWIRE_EUI64_LEN 8 41*a1e26a70SApple OSS Distributions 42*a1e26a70SApple OSS Distributions /* 43*a1e26a70SApple OSS Distributions * The number of bytes in the type field. 44*a1e26a70SApple OSS Distributions */ 45*a1e26a70SApple OSS Distributions #define FIREWIRE_TYPE_LEN 2 46*a1e26a70SApple OSS Distributions 47*a1e26a70SApple OSS Distributions /* 48*a1e26a70SApple OSS Distributions * The length of the header provided by the FireWire network device. 49*a1e26a70SApple OSS Distributions */ 50*a1e26a70SApple OSS Distributions #define FIREWIRE_HDR_LEN (FIREWIRE_EUI64_LEN*2+FIREWIRE_TYPE_LEN) 51*a1e26a70SApple OSS Distributions 52*a1e26a70SApple OSS Distributions /* 53*a1e26a70SApple OSS Distributions * The minimum packet length. 54*a1e26a70SApple OSS Distributions */ 55*a1e26a70SApple OSS Distributions #define FIREWIRE_MIN_LEN 64 56*a1e26a70SApple OSS Distributions 57*a1e26a70SApple OSS Distributions /* 58*a1e26a70SApple OSS Distributions * The maximum packet length. 59*a1e26a70SApple OSS Distributions */ 60*a1e26a70SApple OSS Distributions #define FIREWIRE_MAX_LEN 4096 61*a1e26a70SApple OSS Distributions 62*a1e26a70SApple OSS Distributions /* 63*a1e26a70SApple OSS Distributions * A macro to validate a length with 64*a1e26a70SApple OSS Distributions */ 65*a1e26a70SApple OSS Distributions #define FIREWIRE_IS_VALID_LEN(foo) \ 66*a1e26a70SApple OSS Distributions ((foo) >= FIREWIRE_MIN_LEN && (foo) <= FIREWIRE_MAX_LEN) 67*a1e26a70SApple OSS Distributions 68*a1e26a70SApple OSS Distributions /* 69*a1e26a70SApple OSS Distributions * Structure of header provided by the FireWire network device. 70*a1e26a70SApple OSS Distributions * 71*a1e26a70SApple OSS Distributions * The device uses a simplified header with just the non-changing 72*a1e26a70SApple OSS Distributions * EUI-64 addresses and ethernet type specified; 73*a1e26a70SApple OSS Distributions */ 74*a1e26a70SApple OSS Distributions struct firewire_header { 75*a1e26a70SApple OSS Distributions u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 76*a1e26a70SApple OSS Distributions u_char firewire_shost[FIREWIRE_EUI64_LEN]; 77*a1e26a70SApple OSS Distributions u_short firewire_type; /* ethertype */ 78*a1e26a70SApple OSS Distributions }; 79*a1e26a70SApple OSS Distributions 80*a1e26a70SApple OSS Distributions /* 81*a1e26a70SApple OSS Distributions * Format of FireWire EUI-64. 82*a1e26a70SApple OSS Distributions */ 83*a1e26a70SApple OSS Distributions struct firewire_eui64 { 84*a1e26a70SApple OSS Distributions u_char octet[FIREWIRE_EUI64_LEN]; 85*a1e26a70SApple OSS Distributions }; 86*a1e26a70SApple OSS Distributions 87*a1e26a70SApple OSS Distributions /* 88*a1e26a70SApple OSS Distributions * Format of FireWire hardware address. 89*a1e26a70SApple OSS Distributions */ 90*a1e26a70SApple OSS Distributions struct firewire_address { 91*a1e26a70SApple OSS Distributions u_char eui64[FIREWIRE_EUI64_LEN]; 92*a1e26a70SApple OSS Distributions u_char maxRec; 93*a1e26a70SApple OSS Distributions u_char spd; 94*a1e26a70SApple OSS Distributions u_int16_t unicastFifoHi; 95*a1e26a70SApple OSS Distributions u_int32_t unicastFifoLo; 96*a1e26a70SApple OSS Distributions }; 97*a1e26a70SApple OSS Distributions 98*a1e26a70SApple OSS Distributions #define FIREWIRE_ADDR_LEN 16 /* sizeof(struct firewire_address) */ 99*a1e26a70SApple OSS Distributions 100*a1e26a70SApple OSS Distributions 101*a1e26a70SApple OSS Distributions #define FIREWIRE_MTU (FIREWIRE_MAX_LEN - FIREWIRE_HDR_LEN) 102*a1e26a70SApple OSS Distributions #define FIREWIRE_MIN (FIREWIRE_MIN_LEN - FIREWIRE_HDR_LEN) 103*a1e26a70SApple OSS Distributions 104*a1e26a70SApple OSS Distributions #endif /* !_NET_FIREWIRE_H_ */ 105