tun: move internal flag defines out of uapi

TUN_ flags are internal and never exposed
to userspace. Any application using it is almost
certainly buggy.

Move them out to tun.c.

Note: we remove these completely in follow-up patches,
this code movement is split out for ease of review.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 3 insertions, 13 deletions

diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h
index e9502dd1ee2c..277a2607d166 100644
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h
@@ -22,21 +22,11 @@
 
 /* Read queue size */
 #define TUN_READQ_SIZE  500
-
-/* TUN device flags */
-#define TUN_TUN_DEV     0x0001  
-#define TUN_TAP_DEV     0x0002
+/* TUN device type flags: deprecated. Use IFF_TUN/IFF_TAP instead. */
+#define TUN_TUN_DEV     IFF_TUN
+#define TUN_TAP_DEV     IFF_TAP
 #define TUN_TYPE_MASK   0x000f
 
-#define TUN_FASYNC      0x0010
-#define TUN_NOCHECKSUM  0x0020
-#define TUN_NO_PI       0x0040
-/* This flag has no real effect */
-#define TUN_ONE_QUEUE   0x0080
-#define TUN_PERSIST     0x0100  
-#define TUN_VNET_HDR    0x0200
-#define TUN_TAP_MQ      0x0400
-
 /* Ioctl defines */
 #define TUNSETNOCSUM  _IOW('T', 200, int) 
 #define TUNSETDEBUG   _IOW('T', 201, int)