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