dhcp.h File Reference

#include <net/net.h>
#include <net/udp.h>
#include <sys/types.h>

Include dependency graph for dhcp.h:

Data Structures
struct	dhcp_header_t

Functions
bool	dhcp_negotiate (net_interface_t *interface)
void	dhcp_receive_packet (net_interface_t *interface, uint8_t *packet, udp_header_t *header)

Detailed Description

See also

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

http://www.tcpipguide.com/free/t_DHCPMessageFormat.htm

Function Documentation

dhcp_negotiate()

bool dhcp_negotiate

(

net_interface_t *

interface

)

Configures a network interface using DHCP.

DHCP operations fall into four phases: server discovery, IP lease offer, IP lease request, and IP lease acknowledgement. This function implements the four phases and configures the given interface once the IP lease acknowledgement is received.

Parameters

interface

the network interface to use

Returns

true when the DHCP negotiation has succeeded, false otherwise

dhcp_receive_packet()

void dhcp_receive_packet	(	net_interface_t *	interface,
		uint8_t *	packet,
		udp_header_t *	header )

Receives a DHCP packet.

Parameters

interface	the interface on which the DHCP packet has been received
packet	the DHCP packet
header	the UDP header