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udp.h
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1/*
2 * Copyright (C) 2015 Freie Universität Berlin
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser
5 * General Public License v2.1. See the file LICENSE in the top level
6 * directory for more details.
7 */
8
22#ifndef NET_GNRC_UDP_H
23#define NET_GNRC_UDP_H
24
25#include <stdint.h>
26
27#include "byteorder.h"
28#include "net/gnrc.h"
29#include "net/udp.h"
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
47#ifndef CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP
48#define CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP (3U)
49#endif
50
54#ifndef GNRC_UDP_PRIO
55#define GNRC_UDP_PRIO (THREAD_PRIORITY_MAIN - 2)
56#endif
57
65#ifndef GNRC_UDP_STACK_SIZE
66#define GNRC_UDP_STACK_SIZE ((THREAD_STACKSIZE_SMALL) - 64)
67#endif
73#ifndef GNRC_UDP_MSG_QUEUE_SIZE
74#define GNRC_UDP_MSG_QUEUE_SIZE (1 << CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP)
75#endif
76
88int gnrc_udp_calc_csum(gnrc_pktsnip_t *hdr, gnrc_pktsnip_t *pseudo_hdr);
89
103gnrc_pktsnip_t *gnrc_udp_hdr_build(gnrc_pktsnip_t *payload, uint16_t src,
104 uint16_t dst);
105
112int gnrc_udp_init(void);
113
114#ifdef __cplusplus
115}
116#endif
117
118#endif /* NET_GNRC_UDP_H */
byteorder.h
Functions to work with different byte orders.
gnrc.h
Includes all essential GNRC network stack base modules.
gnrc_udp_calc_csum
int gnrc_udp_calc_csum(gnrc_pktsnip_t *hdr, gnrc_pktsnip_t *pseudo_hdr)
Calculate the checksum for the given packet.
gnrc_udp_init
int gnrc_udp_init(void)
Initialize and start UDP.
gnrc_udp_hdr_build
gnrc_pktsnip_t * gnrc_udp_hdr_build(gnrc_pktsnip_t *payload, uint16_t src, uint16_t dst)
Allocate and initialize a fresh UDP header in the packet buffer.
gnrc_pktsnip
Type to represent parts (either headers or payload) of a packet, called snips.
Definition pkt.h:108
udp.h
UDP header and helper functions definition.