uapi: update of if_tun.h

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h
index 3e94e9e07816940584fdf1b865c7b05735162d28..9de547b6e69b6cdeaf54b1dc22f9d128e4dc8b03 100644 (file)
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h
@@ -67,6 +67,8 @@
 #define IFF_TAP                0x0002
 #define IFF_NAPI       0x0010
 #define IFF_NAPI_FRAGS 0x0020
+/* Used in TUNSETIFF to bring up tun/tap without carrier */
+#define IFF_NO_CARRIER 0x0040
 #define IFF_NO_PI      0x1000
 /* This flag has no real effect */
 #define IFF_ONE_QUEUE  0x2000