udp.h File Reference

#include <arpa/inet.h>
#include <net/ipv4.h>
#include <net/net.h>
#include <sys/types.h>

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Data Structures
struct	udp_header_t

Functions
void	udp_receive_packet (net_interface_t *interface, uint8_t *packet, ipv4_header_t *ipv4_header)
void	udp_send_packet (net_interface_t *interface, uint16_t src_port, uint8_t dst_mac[6], struct sockaddr_in *dst_addr, uint8_t *data, uint32_t len)

Detailed Description

See also

https://en.wikipedia.org/wiki/User_Datagram_Protocol

Function Documentation

udp_receive_packet()

void udp_receive_packet	(	net_interface_t *	interface,
		uint8_t *	packet,
		ipv4_header_t *	ipv4_header )

Receives a UDP packet.

Parameters

interface	the interface on which the UDP packet has been received
packet	the UDP packet
ipv4_header	the IPv4 header

udp_send_packet()

void udp_send_packet	(	net_interface_t *	interface,
		uint16_t	src_port,
		uint8_t	dst_mac[6],
		struct sockaddr_in *	dst_addr,
		uint8_t *	data,
		uint32_t	len )

Sends a UDP packet.

Parameters

interface	the interface that should be used to send the UDP packet
src_port	the source port
dst_mac	the destination MAC address
dst_addr	the destination socket address
data	the UDP data
len	the length of the UDP data