/* * 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 /** @} */