Add a man page.

[secnet.git] / linux / if_tun.h

diff --git a/linux/if_tun.h b/linux/if_tun.h
index fd610f3dfe8ee5b6e5c0c1d429b0744647607143..ec4e9db515722a9dafd3a981ba5e49385de7570b 100644 (file)
--- a/linux/if_tun.h
+++ b/linux/if_tun.h
@@ -12,7 +12,7 @@
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  *  GNU General Public License for more details.
  *
- *  $Id: if_tun.h,v 1.5 2000/10/24 05:13:08 maxk Exp $
+ *  $Id: if_tun.h,v 1.1 2001/11/21 14:54:03 steve Exp $
  */
 
 #ifndef __IF_TUN_H
@@ -32,15 +32,18 @@
 #endif
 
 struct tun_struct {
-       char                    name[8];
+       char                    *name;
        unsigned long           flags;
+       int                     attached;
+       uid_t                   owner;
 
-       struct fasync_struct    *fasync;
        wait_queue_head_t       read_wait;
+       struct sk_buff_head     readq;
 
        struct net_device       dev;
-       struct sk_buff_head     txq;
-        struct net_device_stats        stats;
+       struct net_device_stats stats;
+
+       struct fasync_struct    *fasync;
 
 #ifdef TUN_DEBUG       
        int debug;
@@ -53,14 +56,8 @@ struct tun_struct {
 
 #endif /* __KERNEL__ */
 
-/* Number of devices */
-#define TUN_MAX_DEV    255
-
-/* TX queue size */
-#define TUN_TXQ_SIZE   10
-
-/* Max frame size */
-#define TUN_MAX_FRAME  4096
+/* Read queue size */
+#define TUN_READQ_SIZE 10
 
 /* TUN device flags */
 #define TUN_TUN_DEV    0x0001  
@@ -70,22 +67,25 @@ struct tun_struct {
 #define TUN_FASYNC     0x0010
 #define TUN_NOCHECKSUM 0x0020
 #define TUN_NO_PI      0x0040
-
-#define TUN_IFF_SET    0x1000
+#define TUN_ONE_QUEUE  0x0080
+#define TUN_PERSIST    0x0100  
 
 /* Ioctl defines */
-#define TUNSETNOCSUM (('T'<< 8) | 200) 
-#define TUNSETDEBUG  (('T'<< 8) | 201) 
-#define TUNSETIFF    (('T'<< 8) | 202) 
+#define TUNSETNOCSUM  _IOW('T', 200, int) 
+#define TUNSETDEBUG   _IOW('T', 201, int) 
+#define TUNSETIFF     _IOW('T', 202, int) 
+#define TUNSETPERSIST _IOW('T', 203, int) 
+#define TUNSETOWNER   _IOW('T', 204, int)
 
 /* TUNSETIFF ifr flags */
 #define IFF_TUN                0x0001
 #define IFF_TAP                0x0002
 #define IFF_NO_PI      0x1000
+#define IFF_ONE_QUEUE  0x2000
 
 struct tun_pi {
-   unsigned short flags;
-   unsigned short proto;
+       unsigned short flags;
+       unsigned short proto;
 };
 #define TUN_PKT_STRIP  0x0001