/*
* Copyright (c) 2012 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/** @addtogroup udp
* @{
*/
/** @file UDP standard definitions
*
* Based on IETF RFC 768
*/
#ifndef STD_H
#define STD_H
#include <stdint.h>
#define IP_PROTO_UDP 17
/** UDP Header */
typedef struct {
/** Source port */
uint16_t src_port;
/** Destination port */
uint16_t dest_port;
/** Length (header + data) */
uint16_t length;
/* Checksum */
uint16_t checksum;
} udp_header_t;
/** UDP over IPv4 checksum pseudo header */
typedef struct {
/** Source address */
uint32_t src_addr;
/** Destination address */
uint32_t dest_addr;
/** Zero */
uint8_t zero;
/** Protocol */
uint8_t protocol;
/** UDP length */
uint16_t udp_length;
} udp_phdr_t;
/** UDP over IPv6 checksum pseudo header */
typedef struct {
/** Source address */
addr128_t src_addr;
/** Destination address */
addr128_t dest_addr;
/** UDP length */
uint32_t udp_length;
/** Zeroes */
uint8_t zeroes[3];
/** Next header */
uint8_t next;
} udp_phdr6_t;
#endif
/** @}
*/