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#ifndef _GPXE_UDP_H
#define _GPXE_UDP_H
/** @file
*
* UDP protocol
*
* This file defines the gPXE UDP API.
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stddef.h>
#include <gpxe/iobuf.h>
#include <gpxe/tcpip.h>
#include <gpxe/if_ether.h>
struct xfer_interface;
/**
* UDP constants
*/
#define UDP_MAX_HLEN 72
#define UDP_MAX_TXIOB ETH_MAX_MTU
#define UDP_MIN_TXIOB ETH_ZLEN
/**
* A UDP header
*/
struct udp_header {
/** Source port */
uint16_t src;
/** Destination port */
uint16_t dest;
/** Length */
uint16_t len;
/** Checksum */
uint16_t chksum;
};
extern int udp_open_promisc ( struct xfer_interface *xfer );
extern int udp_open ( struct xfer_interface *xfer, struct sockaddr *peer,
struct sockaddr *local );
#endif /* _GPXE_UDP_H */
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