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 
9 #pragma once
10 
24 #include <stdint.h>
25 
26 #include "byteorder.h"
27 #include "net/gnrc.h"
28 #include "net/udp.h"
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
46 #ifndef CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP
47 #define CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP (3U)
48 #endif
49 
53 #ifndef GNRC_UDP_PRIO
54 #define GNRC_UDP_PRIO (THREAD_PRIORITY_MAIN - 2)
55 #endif
56 
64 #ifndef GNRC_UDP_STACK_SIZE
65 #define GNRC_UDP_STACK_SIZE ((THREAD_STACKSIZE_SMALL) - 64)
66 #endif
72 #ifndef GNRC_UDP_MSG_QUEUE_SIZE
73 #define GNRC_UDP_MSG_QUEUE_SIZE (1 << CONFIG_GNRC_UDP_MSG_QUEUE_SIZE_EXP)
74 #endif
75 
87 int gnrc_udp_calc_csum(gnrc_pktsnip_t *hdr, gnrc_pktsnip_t *pseudo_hdr);
88 
102 gnrc_pktsnip_t *gnrc_udp_hdr_build(gnrc_pktsnip_t *payload, uint16_t src,
103  uint16_t dst);
104 
111 int gnrc_udp_init(void);
112 
113 #ifdef __cplusplus
114 }
115 #endif
116 
byteorder.h
Functions to work with different byte orders.
gnrc.h
Includes all essential GNRC network stack base modules.
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_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_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.