[dns] Report current DNS query as job progress status message

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/net/udp/dns.c

 #include <ipxe/tcpip.h>
 #include <ipxe/settings.h>
 #include <ipxe/features.h>
+#include <ipxe/job.h>
 #include <ipxe/dhcp.h>
 #include <ipxe/dhcpv6.h>
 #include <ipxe/dns.h>
 	dns_done ( dns, rc );
 }
 
+/**
+ * Report job progress
+ *
+ * @v dns		DNS request
+ * @v progress		Progress report to fill in
+ * @ret ongoing_rc	Ongoing job status code (if known)
+ */
+static int dns_progress ( struct dns_request *dns,
+			  struct job_progress *progress ) {
+
+	/* Show current question as progress message */
+	dns_decode ( &dns->name, progress->message,
+		     sizeof ( progress->message ) );
+	return 0;
+}
+
 /** DNS socket interface operations */
 static struct interface_operation dns_socket_operations[] = {
 	INTF_OP ( xfer_deliver, struct dns_request *, dns_xfer_deliver ),
 
 /** DNS resolver interface operations */
 static struct interface_operation dns_resolv_op[] = {
+	INTF_OP ( job_progress, struct dns_request *, dns_progress ),
 	INTF_OP ( intf_close, struct dns_request *, dns_done ),
 };