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