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/* | |
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
* | |
* @APPLE_LICENSE_HEADER_START@ | |
* | |
* The contents of this file constitute Original Code as defined in and | |
* are subject to the Apple Public Source License Version 1.1 (the | |
* "License"). You may not use this file except in compliance with the | |
* License. Please obtain a copy of the License at | |
* http://www.apple.com/publicsource and read it before using this file. | |
* | |
* This Original Code and all software distributed under the License are | |
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
* License for the specific language governing rights and limitations | |
* under the License. | |
* | |
* @APPLE_LICENSE_HEADER_END@ | |
*/ | |
/* | |
* Copyright (c) 1982, 1986, 1993 | |
* The Regents of the University of California. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. All advertising materials mentioning features or use of this software | |
* must display the following acknowledgement: | |
* This product includes software developed by the University of | |
* California, Berkeley and its contributors. | |
* 4. Neither the name of the University nor the names of its contributors | |
* may be used to endorse or promote products derived from this software | |
* without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
* SUCH DAMAGE. | |
* | |
* @(#)if_ether.h 8.3 (Berkeley) 5/2/95 | |
* $FreeBSD: src/sys/netinet/if_ether.h,v 1.24 1999/12/29 04:40:58 peter Exp $ | |
*/ | |
#ifndef _NETINET_IF_ETHER_H_ | |
#define _NETINET_IF_ETHER_H_ | |
#include <sys/appleapiopts.h> | |
#include <net/ethernet.h> | |
#include <netinet/in.h> | |
#include <net/if_arp.h> | |
#define ea_byte ether_addr_octet | |
#ifdef __APPLE__ | |
#ifdef __APPLE_API_UNSTABLE | |
/* | |
* Macro for looking up the ether_multi record for a given range of Ethernet | |
* multicast addresses connected to a given arpcom structure. If no matching | |
* record is found, "enm" returns NULL. | |
*/ | |
#define ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm) \ | |
/* u_char addrlo[6]; */ \ | |
/* u_char addrhi[6]; */ \ | |
/* struct arpcom *ac; */ \ | |
/* struct ether_multi *enm; */ \ | |
{ \ | |
for ((enm) = (ac)->ac_multiaddrs; \ | |
(enm) != NULL && \ | |
(bcmp((enm)->enm_addrlo, (addrlo), 6) != 0 || \ | |
bcmp((enm)->enm_addrhi, (addrhi), 6) != 0); \ | |
(enm) = (enm)->enm_next); \ | |
} | |
/* | |
* Macro to step through all of the ether_multi records, one at a time. | |
* The current position is remembered in "step", which the caller must | |
* provide. ETHER_FIRST_MULTI(), below, must be called to initialize "step" | |
* and get the first record. Both macros return a NULL "enm" when there | |
* are no remaining records. | |
*/ | |
#define ETHER_NEXT_MULTI(step, enm) \ | |
/* struct ether_multistep step; */ \ | |
/* struct ether_multi *enm; */ \ | |
{ \ | |
if (((enm) = (step).e_enm) != NULL) \ | |
(step).e_enm = (enm)->enm_next; \ | |
} | |
#define ETHER_FIRST_MULTI(step, ac, enm) \ | |
/* struct ether_multistep step; */ \ | |
/* struct arpcom *ac; */ \ | |
/* struct ether_multi *enm; */ \ | |
{ \ | |
(step).e_enm = (ac)->ac_multiaddrs; \ | |
ETHER_NEXT_MULTI((step), (enm)); \ | |
} | |
#endif /* __APPLE_API_UNSTABLE */ | |
#endif /* __APPLE__ */ | |
/* | |
* Macro to map an IP multicast address to an Ethernet multicast address. | |
* The high-order 25 bits of the Ethernet address are statically assigned, | |
* and the low-order 23 bits are taken from the low end of the IP address. | |
*/ | |
#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \ | |
/* struct in_addr *ipaddr; */ \ | |
/* u_char enaddr[ETHER_ADDR_LEN]; */ \ | |
{ \ | |
(enaddr)[0] = 0x01; \ | |
(enaddr)[1] = 0x00; \ | |
(enaddr)[2] = 0x5e; \ | |
(enaddr)[3] = ((u_char *)ipaddr)[1] & 0x7f; \ | |
(enaddr)[4] = ((u_char *)ipaddr)[2]; \ | |
(enaddr)[5] = ((u_char *)ipaddr)[3]; \ | |
} | |
/* | |
* Macro to map an IP6 multicast address to an Ethernet multicast address. | |
* The high-order 16 bits of the Ethernet address are statically assigned, | |
* and the low-order 32 bits are taken from the low end of the IP6 address. | |
*/ | |
#define ETHER_MAP_IPV6_MULTICAST(ip6addr, enaddr) \ | |
/* struct in6_addr *ip6addr; */ \ | |
/* u_char enaddr[ETHER_ADDR_LEN]; */ \ | |
{ \ | |
(enaddr)[0] = 0x33; \ | |
(enaddr)[1] = 0x33; \ | |
(enaddr)[2] = ((u_char *)ip6addr)[12]; \ | |
(enaddr)[3] = ((u_char *)ip6addr)[13]; \ | |
(enaddr)[4] = ((u_char *)ip6addr)[14]; \ | |
(enaddr)[5] = ((u_char *)ip6addr)[15]; \ | |
} | |
/* | |
* Ethernet Address Resolution Protocol. | |
* | |
* See RFC 826 for protocol description. Structure below is adapted | |
* to resolving internet addresses. Field names used correspond to | |
* RFC 826. | |
*/ | |
struct ether_arp { | |
struct arphdr ea_hdr; /* fixed-size header */ | |
u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */ | |
u_char arp_spa[4]; /* sender protocol address */ | |
u_char arp_tha[ETHER_ADDR_LEN]; /* target hardware address */ | |
u_char arp_tpa[4]; /* target protocol address */ | |
}; | |
#define arp_hrd ea_hdr.ar_hrd | |
#define arp_pro ea_hdr.ar_pro | |
#define arp_hln ea_hdr.ar_hln | |
#define arp_pln ea_hdr.ar_pln | |
#define arp_op ea_hdr.ar_op | |
struct sockaddr_inarp { | |
u_char sin_len; | |
u_char sin_family; | |
u_short sin_port; | |
struct in_addr sin_addr; | |
struct in_addr sin_srcaddr; | |
u_short sin_tos; | |
u_short sin_other; | |
#define SIN_PROXY 1 | |
}; | |
/* | |
* IP and ethernet specific routing flags | |
*/ | |
#define RTF_USETRAILERS RTF_PROTO1 /* use trailers */ | |
#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */ | |
#ifdef KERNEL | |
#ifdef __APPLE_API_PRIVATE | |
extern u_char ether_ipmulticast_min[ETHER_ADDR_LEN]; | |
extern u_char ether_ipmulticast_max[ETHER_ADDR_LEN]; | |
extern struct ifqueue arpintrq; | |
int arpresolve __P((struct arpcom *, struct rtentry *, struct mbuf *, | |
struct sockaddr *, u_char *, struct rtentry *)); | |
#endif /* __APPLE_API_PRIVATE */ | |
#ifdef __APPLE_API_UNSTABLE | |
void arp_ifinit __P((struct arpcom *, struct ifaddr *)); | |
#endif /* __APPLE_API_UNSTABLE */ | |
#endif | |
#endif |
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