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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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