| 1 | /*
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| 2 | * Copyright (c) 2012 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 udp
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| 30 | * @{
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| 31 | */
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| 32 | /** @file UDP standard definitions
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| 33 | *
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| 34 | * Based on IETF RFC 768
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| 35 | */
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| 36 |
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| 37 | #ifndef STD_H
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| 38 | #define STD_H
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| 39 |
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| 40 | #include <sys/types.h>
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| 41 |
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| 42 | #define IP_PROTO_UDP 17
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| 43 |
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| 44 | /** UDP Header */
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| 45 | typedef struct {
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| 46 | /** Source port */
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| 47 | uint16_t src_port;
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| 48 | /** Destination port */
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| 49 | uint16_t dest_port;
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| 50 | /** Length (header + data) */
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| 51 | uint16_t length;
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| 52 | /* Checksum */
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| 53 | uint16_t checksum;
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| 54 | } udp_header_t;
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| 55 |
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| 56 | /** UDP over IPv4 checksum pseudo header */
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| 57 | typedef struct {
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| 58 | /** Source address */
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| 59 | uint32_t src_addr;
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| 60 | /** Destination address */
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| 61 | uint32_t dest_addr;
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| 62 | /** Zero */
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| 63 | uint8_t zero;
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| 64 | /** Protocol */
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| 65 | uint8_t protocol;
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| 66 | /** UDP length */
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| 67 | uint16_t udp_length;
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| 68 | } udp_phdr_t;
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| 69 |
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| 70 | /** UDP over IPv6 checksum pseudo header */
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| 71 | typedef struct {
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| 72 | /** Source address */
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| 73 | addr128_t src_addr;
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| 74 | /** Destination address */
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| 75 | addr128_t dest_addr;
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| 76 | /** UDP length */
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| 77 | uint32_t udp_length;
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| 78 | /** Zeroes */
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| 79 | uint8_t zeroes[3];
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| 80 | /** Next header */
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| 81 | uint8_t next;
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| 82 | } udp_phdr6_t;
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| 83 |
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| 84 | #endif
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| 85 |
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| 86 | /** @}
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| 87 | */
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