diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tun.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7b816a03295..970ec479344 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -67,9 +67,42 @@ #include <asm/system.h> #include <asm/uaccess.h> +/* Uncomment to enable debugging */ +/* #define TUN_DEBUG 1 */ + #ifdef TUN_DEBUG static int 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 +}; /* Network device part of the driver */ |