Fix for x86_64 build fail
[platform/upstream/connectedhomeip.git] / third_party / lwip / repo / lwip / src / include / netif / ppp / eui64.h
1 /*
2  * eui64.h - EUI64 routines for IPv6CP.
3  *
4  * Copyright (c) 1999 Tommi Komulainen.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  *
18  * 3. The name(s) of the authors of this software must not be used to
19  *    endorse or promote products derived from this software without
20  *    prior written permission.
21  *
22  * 4. Redistributions of any form whatsoever must retain the following
23  *    acknowledgment:
24  *    "This product includes software developed by Tommi Komulainen
25  *     <Tommi.Komulainen@iki.fi>".
26  *
27  * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
28  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
29  * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
30  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
31  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
32  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
33  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
34  *
35  * $Id: eui64.h,v 1.6 2002/12/04 23:03:32 paulus Exp $
36 */
37
38 #include "netif/ppp/ppp_opts.h"
39 #if PPP_SUPPORT && PPP_IPV6_SUPPORT  /* don't build if not configured for use in lwipopts.h */
40
41 #ifndef EUI64_H
42 #define EUI64_H
43
44 /*
45  * @todo:
46  *
47  * Maybe this should be done by processing struct in6_addr directly...
48  */
49 typedef union
50 {
51     u8_t e8[8];
52     u16_t e16[4];
53     u32_t e32[2];
54 } eui64_t;
55
56 #define eui64_iszero(e)         (((e).e32[0] | (e).e32[1]) == 0)
57 #define eui64_equals(e, o)      (((e).e32[0] == (o).e32[0]) && \
58                                 ((e).e32[1] == (o).e32[1]))
59 #define eui64_zero(e)           (e).e32[0] = (e).e32[1] = 0;
60
61 #define eui64_copy(s, d)        memcpy(&(d), &(s), sizeof(eui64_t))
62
63 #define eui64_magic(e)          do {                    \
64                                 (e).e32[0] = magic();   \
65                                 (e).e32[1] = magic();   \
66                                 (e).e8[0] &= ~2;        \
67                                 } while (0)
68 #define eui64_magic_nz(x)       do {                            \
69                                 eui64_magic(x);                 \
70                                 } while (eui64_iszero(x))
71 #define eui64_magic_ne(x, y)    do {                            \
72                                 eui64_magic(x);                 \
73                                 } while (eui64_equals(x, y))
74
75 #define eui64_get(ll, cp)       do {                            \
76                                 eui64_copy((*cp), (ll));        \
77                                 (cp) += sizeof(eui64_t);        \
78                                 } while (0)
79
80 #define eui64_put(ll, cp)       do {                            \
81                                 eui64_copy((ll), (*cp));        \
82                                 (cp) += sizeof(eui64_t);        \
83                                 } while (0)
84
85 #define eui64_set32(e, l)       do {                    \
86                                 (e).e32[0] = 0;         \
87                                 (e).e32[1] = lwip_htonl(l);     \
88                                 } while (0)
89 #define eui64_setlo32(e, l)     eui64_set32(e, l)
90
91 char *eui64_ntoa(eui64_t);      /* Returns ascii representation of id */
92
93 #endif /* EUI64_H */
94 #endif /* PPP_SUPPORT && PPP_IPV6_SUPPORT */