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src/include/gpxe/udp.h

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+#ifndef _GPXE_UDP_H
+#define _GPXE_UDP_H
+
+/** @file
+ *
+ * UDP protocol
+ *
+ * This file defines the gPXE UDP API.
+ *
+ */
+
+#include <stddef.h>
+#include <gpxe/in.h>
+
+struct udp_connection;
+
+/**
+ * UDP operations
+ *
+ */
+struct udp_operations {
+	/**
+	 * New data received
+	 *
+	 * @v conn	UDP connection
+	 * @v data	Data
+	 * @v len	Length of data
+	 */
+	void ( * newdata ) ( struct udp_connection *conn,
+			     void *data, size_t len );
+};
+
+/**
+ * A UDP connection
+ *
+ */
+struct udp_connection {
+	/** Address of the remote end of the connection */
+	struct sockaddr_in sin;
+	/** Operations table for this connection */
+	struct udp_operations *udp_op;
+};
+
+extern void udp_connect ( struct udp_connection *conn );
+extern void udp_send ( struct udp_connection *conn, const void *data,
+		       size_t len );
+extern void udp_close ( struct udp_connection *conn );
+
+#endif /* _GPXE_UDP_H */