Move send_tun into tun.c as well.
Also remove a redundant include in checksum.c.
Change-Id: I0b8858343b1496f22904d3b316b6c435be0f648a
diff --git a/tun.h b/tun.h
index 9ccb037..771814d 100644
--- a/tun.h
+++ b/tun.h
@@ -18,6 +18,10 @@
#ifndef __TUN_H__
#define __TUN_H__
+#include <linux/if.h>
+
+#include "clatd.h"
+
struct tun_data {
char device4[IFNAMSIZ];
int read_fd6, write_fd6, fd4;
@@ -26,5 +30,6 @@
int set_nonblocking(int fd);
int tun_open();
int tun_alloc(char *dev, int fd);
+void send_tun(int fd, clat_packet out, int iov_len);
#endif