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udp.h
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1/*
2 * SPDX-FileCopyrightText: 2015 Freie Universität Berlin
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
20
21#include <stdint.h>
22
23#include "byteorder.h"
24#include "net/gnrc.h"
25#include "net/udp.h"
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
43#ifndef CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP
44#define CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP (3U)
45#endif
46
50#ifndef GNRC_UDP_PRIO
51#define GNRC_UDP_PRIO (THREAD_PRIORITY_MAIN - 2)
52#endif
53
61#ifndef GNRC_UDP_STACK_SIZE
62#define GNRC_UDP_STACK_SIZE ((THREAD_STACKSIZE_SMALL) - 64)
63#endif
65
69#ifndef GNRC_UDP_MSG_QUEUE_SIZE
70#define GNRC_UDP_MSG_QUEUE_SIZE (1 << CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP)
71#endif
72
84int gnrc_udp_calc_csum(gnrc_pktsnip_t *hdr, gnrc_pktsnip_t *pseudo_hdr);
85
99gnrc_pktsnip_t *gnrc_udp_hdr_build(gnrc_pktsnip_t *payload, uint16_t src,
100 uint16_t dst);
101
108int gnrc_udp_init(void);
109
110#ifdef __cplusplus
111}
112#endif
113
byteorder.h
Functions to work with different byte orders.
gnrc.h
Includes all essential GNRC network stack base modules.
gnrc_pktsnip_t
struct gnrc_pktsnip gnrc_pktsnip_t
Type to represent parts (either headers or payload) of a packet, called snips.
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.
udp.h
UDP header and helper functions definition.