| 1 | /*
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| 2 | * Copyright (c) 2013 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef LIBC_INET_ADDR_H_
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| 36 | #define LIBC_INET_ADDR_H_
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| 37 |
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| 38 | #include <stdint.h>
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| 39 |
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| 40 | typedef uint32_t addr32_t;
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| 41 | typedef uint8_t addr48_t[6];
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| 42 | typedef uint8_t addr128_t[16];
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| 43 |
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| 44 | typedef enum {
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| 45 | /** Any IP protocol version */
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| 46 | ip_any,
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| 47 | /** IPv4 */
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| 48 | ip_v4,
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| 49 | /** IPv6 */
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| 50 | ip_v6
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| 51 | } ip_ver_t;
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| 52 |
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| 53 | /** Node address */
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| 54 | typedef struct {
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| 55 | /** IP version */
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| 56 | ip_ver_t version;
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| 57 | union {
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| 58 | addr32_t addr;
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| 59 | addr128_t addr6;
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| 60 | };
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| 61 | } inet_addr_t;
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| 62 |
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| 63 | /** Network address */
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| 64 | typedef struct {
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| 65 | /** IP version */
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| 66 | ip_ver_t version;
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| 67 |
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| 68 | /** Address */
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| 69 | union {
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| 70 | addr32_t addr;
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| 71 | addr128_t addr6;
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| 72 | };
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| 73 |
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| 74 | /** Number of valid bits */
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| 75 | uint8_t prefix;
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| 76 | } inet_naddr_t;
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| 77 |
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| 78 | extern const addr32_t addr32_broadcast_all_hosts;
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| 79 | extern const addr48_t addr48_broadcast;
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| 80 |
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| 81 | extern void addr48(const addr48_t, addr48_t);
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| 82 | extern void addr128(const addr128_t, addr128_t);
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| 83 |
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| 84 | extern int addr48_compare(const addr48_t, const addr48_t);
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| 85 | extern int addr128_compare(const addr128_t, const addr128_t);
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| 86 |
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| 87 | extern void addr48_solicited_node(const addr128_t, addr48_t);
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| 88 |
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| 89 | extern void host2addr128_t_be(const addr128_t, addr128_t);
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| 90 | extern void addr128_t_be2host(const addr128_t, addr128_t);
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| 91 |
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| 92 | extern void inet_addr(inet_addr_t *, uint8_t, uint8_t, uint8_t, uint8_t);
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| 93 | extern void inet_naddr(inet_naddr_t *, uint8_t, uint8_t, uint8_t, uint8_t,
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| 94 | uint8_t);
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| 95 |
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| 96 | extern void inet_addr6(inet_addr_t *, uint16_t, uint16_t, uint16_t, uint16_t,
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| 97 | uint16_t, uint16_t, uint16_t, uint16_t);
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| 98 | extern void inet_naddr6(inet_naddr_t *, uint16_t, uint16_t, uint16_t, uint16_t,
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| 99 | uint16_t, uint16_t, uint16_t, uint16_t, uint8_t);
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| 100 |
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| 101 | extern void inet_naddr_addr(const inet_naddr_t *, inet_addr_t *);
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| 102 | extern void inet_addr_naddr(const inet_addr_t *, uint8_t, inet_naddr_t *);
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| 103 |
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| 104 | extern void inet_addr_any(inet_addr_t *);
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| 105 | extern void inet_naddr_any(inet_naddr_t *);
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| 106 |
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| 107 | extern int inet_addr_compare(const inet_addr_t *, const inet_addr_t *);
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| 108 | extern int inet_addr_is_any(const inet_addr_t *);
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| 109 |
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| 110 | extern int inet_naddr_compare(const inet_naddr_t *, const inet_addr_t *);
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| 111 | extern int inet_naddr_compare_mask(const inet_naddr_t *, const inet_addr_t *);
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| 112 |
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| 113 | extern int inet_addr_parse(const char *, inet_addr_t *);
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| 114 | extern int inet_naddr_parse(const char *, inet_naddr_t *);
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| 115 |
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| 116 | extern int inet_addr_format(const inet_addr_t *, char **);
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| 117 | extern int inet_naddr_format(const inet_naddr_t *, char **);
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| 118 |
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| 119 | extern ip_ver_t inet_addr_get(const inet_addr_t *, addr32_t *, addr128_t *);
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| 120 | extern ip_ver_t inet_naddr_get(const inet_naddr_t *, addr32_t *, addr128_t *,
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| 121 | uint8_t *);
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| 122 |
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| 123 | extern void inet_addr_set(addr32_t, inet_addr_t *);
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| 124 | extern void inet_naddr_set(addr32_t, uint8_t, inet_naddr_t *);
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| 125 |
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| 126 | extern void inet_addr_set6(addr128_t, inet_addr_t *);
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| 127 | extern void inet_naddr_set6(addr128_t, uint8_t, inet_naddr_t *);
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| 128 |
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| 129 | #endif
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| 130 |
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| 131 | /** @}
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| 132 | */
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