udp.h File Reference

UDP protocol. More...

#include <stddef.h>
#include <ipxe/iobuf.h>
#include <ipxe/tcpip.h>
#include <ipxe/if_ether.h>

Go to the source code of this file.

Data Structures
struct	udp_header
	UDP constants. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
int	udp_open_promisc (struct interface *xfer)
	Open a promiscuous UDP connection. More...
int	udp_open (struct interface *xfer, struct sockaddr *peer, struct sockaddr *local)
	Open a UDP connection. More...

Detailed Description

UDP protocol.

This file defines the iPXE UDP API.

Definition in file udp.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

udp_open_promisc()

int udp_open_promisc

(

struct interface *

xfer

)

Open a promiscuous UDP connection.

Parameters

xfer	Data transfer interface

Return values

rc	Return status code

Promiscuous UDP connections are required in order to support the PXE API.

Definition at line 144 of file udp.c.

                                                {
        return udp_open_common ( xfer, NULL, NULL, 1 );
}

References NULL, udp_open_common(), and udp_connection::xfer.

Referenced by efi_pxe_udp_open(), and pxenv_udp_open().

udp_open()

int udp_open	(	struct interface *	xfer,
		struct sockaddr *	peer,
		struct sockaddr *	local
	)

Open a UDP connection.

Parameters

xfer	Data transfer interface
peer	Peer socket address
local	Local socket address, or NULL

Return values

rc	Return status code

Definition at line 130 of file udp.c.

                                        {
        return udp_open_common ( xfer, peer, local, 0 );
}

References udp_connection::local, peer, udp_open_common(), and udp_connection::xfer.