* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * $Id: if_tun.h,v 1.2 2001/06/01 18:39:47 davem Exp $
*/
#ifndef __IF_TUN_H
#define __IF_TUN_H
-/* Uncomment to enable debugging */
-/* #define TUN_DEBUG 1 */
-
#include <linux/types.h>
-#ifdef __KERNEL__
-
-#ifdef TUN_DEBUG
-#define DBG if(tun->debug)printk
-#define DBG1 if(debug==2)printk
-#else
-#define DBG( a... )
-#define DBG1( a... )
-#endif
-
-struct tun_struct {
- struct list_head list;
- unsigned long flags;
- int attached;
- uid_t owner;
- gid_t group;
-
- wait_queue_head_t read_wait;
- struct sk_buff_head readq;
-
- struct net_device *dev;
-
- struct fasync_struct *fasync;
-
- unsigned long if_flags;
- u8 dev_addr[ETH_ALEN];
- u32 chr_filter[2];
- u32 net_filter[2];
-
-#ifdef TUN_DEBUG
- int debug;
-#endif
-};
-
-#endif /* __KERNEL__ */
-
/* Read queue size */
#define TUN_READQ_SIZE 500
#define TUNSETOWNER _IOW('T', 204, int)
#define TUNSETLINK _IOW('T', 205, int)
#define TUNSETGROUP _IOW('T', 206, int)
+#define TUNGETFEATURES _IOR('T', 207, unsigned int)
/* TUNSETIFF ifr flags */
#define IFF_TUN 0x0001