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bfff8b1b | 1 | /* Copyright (C) 1996-2017 Free Software Foundation, Inc. |
1fb05e3d | 2 | This file is part of the GNU C Library. |
6dbe2837 | 3 | |
1fb05e3d | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
6dbe2837 | 8 | |
1fb05e3d UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
6dbe2837 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
6dbe2837 RM |
17 | |
18 | #ifndef __NETINET_IF_ETHER_H | |
19 | ||
20 | #define __NETINET_IF_ETHER_H 1 | |
21 | #include <features.h> | |
1fb05e3d | 22 | #include <sys/types.h> |
6dbe2837 RM |
23 | |
24 | /* Get definitions from kernel header file. */ | |
25 | #include <linux/if_ether.h> | |
26 | ||
498afc54 | 27 | #ifdef __USE_MISC |
1fb05e3d UD |
28 | /* |
29 | * Copyright (c) 1982, 1986, 1993 | |
30 | * The Regents of the University of California. All rights reserved. | |
31 | * | |
32 | * Redistribution and use in source and binary forms, with or without | |
33 | * modification, are permitted provided that the following conditions | |
34 | * are met: | |
35 | * 1. Redistributions of source code must retain the above copyright | |
36 | * notice, this list of conditions and the following disclaimer. | |
37 | * 2. Redistributions in binary form must reproduce the above copyright | |
38 | * notice, this list of conditions and the following disclaimer in the | |
39 | * documentation and/or other materials provided with the distribution. | |
1fb05e3d UD |
40 | * 4. Neither the name of the University nor the names of its contributors |
41 | * may be used to endorse or promote products derived from this software | |
42 | * without specific prior written permission. | |
43 | * | |
44 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
45 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
46 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
47 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
48 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
49 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
50 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
51 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
52 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
53 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
54 | * SUCH DAMAGE. | |
55 | * | |
56 | * @(#)if_ether.h 8.3 (Berkeley) 5/2/95 | |
57 | * $FreeBSD$ | |
58 | */ | |
6dbe2837 | 59 | |
1fb05e3d UD |
60 | #include <net/ethernet.h> |
61 | #include <net/if_arp.h> | |
62 | ||
63 | __BEGIN_DECLS | |
64 | /* | |
65 | * Ethernet Address Resolution Protocol. | |
66 | * | |
67 | * See RFC 826 for protocol description. Structure below is adapted | |
68 | * to resolving internet addresses. Field names used correspond to | |
69 | * RFC 826. | |
70 | */ | |
71 | struct ether_arp { | |
72 | struct arphdr ea_hdr; /* fixed-size header */ | |
11160cb7 ZW |
73 | uint8_t arp_sha[ETH_ALEN]; /* sender hardware address */ |
74 | uint8_t arp_spa[4]; /* sender protocol address */ | |
75 | uint8_t arp_tha[ETH_ALEN]; /* target hardware address */ | |
76 | uint8_t arp_tpa[4]; /* target protocol address */ | |
6dbe2837 | 77 | }; |
1fb05e3d UD |
78 | #define arp_hrd ea_hdr.ar_hrd |
79 | #define arp_pro ea_hdr.ar_pro | |
80 | #define arp_hln ea_hdr.ar_hln | |
81 | #define arp_pln ea_hdr.ar_pln | |
82 | #define arp_op ea_hdr.ar_op | |
83 | ||
84 | /* | |
85 | * Macro to map an IP multicast address to an Ethernet multicast address. | |
86 | * The high-order 25 bits of the Ethernet address are statically assigned, | |
87 | * and the low-order 23 bits are taken from the low end of the IP address. | |
88 | */ | |
89 | #define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \ | |
90 | /* struct in_addr *ipaddr; */ \ | |
11160cb7 | 91 | /* uint8_t enaddr[ETH_ALEN]; */ \ |
1fb05e3d UD |
92 | { \ |
93 | (enaddr)[0] = 0x01; \ | |
94 | (enaddr)[1] = 0x00; \ | |
95 | (enaddr)[2] = 0x5e; \ | |
11160cb7 ZW |
96 | (enaddr)[3] = ((uint8_t *)ipaddr)[1] & 0x7f; \ |
97 | (enaddr)[4] = ((uint8_t *)ipaddr)[2]; \ | |
98 | (enaddr)[5] = ((uint8_t *)ipaddr)[3]; \ | |
1fb05e3d UD |
99 | } |
100 | ||
101 | __END_DECLS | |
498afc54 | 102 | #endif /* __USE_MISC */ |
6dbe2837 RM |
103 | |
104 | #endif /* netinet/if_ether.h */ |