Index: stand/libsa/tftp.c
===================================================================
--- stand/libsa/tftp.c
+++ stand/libsa/tftp.c
@@ -55,6 +55,7 @@
 
 #include <string.h>
 
+#include <bootstrap.h>
 #include "stand.h"
 #include "net.h"
 #include "netif.h"
@@ -765,3 +766,36 @@
 #endif
 	return (0);
 }
+
+#ifdef TFTP_DEBUG
+static int
+command_tftp(int argc, char *argv[])
+{
+	int fd;
+	time_t start, end;
+	char buf[TFTP_REQUESTED_BLKSIZE];
+	ssize_t rv, count = 0;
+
+	if (argc != 2) {
+		snprintf(command_errbuf, sizeof(command_errbuf),
+		  "Usage: tftp <filename>");
+		return (CMD_ERROR);
+	}
+
+	start = getsecs();
+	if ((fd = open(argv[1], O_RDONLY)) < 0) {
+		snprintf(command_errbuf, sizeof(command_errbuf),
+		  "can't open '%s'", argv[1]);
+		return (CMD_ERROR);
+	}
+	while ((rv = read(fd, buf, sizeof(buf))) > 0)
+		count += rv;
+	end = getsecs();
+
+	printf("Received %zd bytes during %jd seconds\n", count, (intmax_t)end - start);
+	close(fd);
+	return (CMD_OK);
+}
+
+COMMAND_SET(tftp, "tftp", "tftp debug", command_tftp);
+#endif