#define LINUX_ATMDEV_H
-#include <linux/config.h>
#include <linux/atmapi.h>
#include <linux/atm.h>
#include <linux/atmioc.h>
/* use backend to make new if */
#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
/* add party to p2mp call */
+#ifdef CONFIG_COMPAT
+/* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */
+#define COMPAT_ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)
+#endif
#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)
/* drop party from p2mp call */
#ifdef __KERNEL__
+#include <linux/device.h>
#include <linux/wait.h> /* wait_queue_head_t */
#include <linux/time.h> /* struct timeval */
#include <linux/net.h>
extern struct proc_dir_entry *atm_proc_root;
#endif
+#ifdef CONFIG_COMPAT
+#include <linux/compat.h>
+struct compat_atm_iobuf {
+ int length;
+ compat_uptr_t buffer;
+};
+#endif
struct k_atm_aal_stats {
#define __HANDLE_ITEM(i) atomic_t i
enum {
- ATM_DF_CLOSE, /* close device when last VCC is closed */
+ ATM_DF_REMOVED, /* device was removed from atm_devs list */
};
struct proc_dir_entry *proc_entry; /* proc entry */
char *proc_name; /* proc entry name */
#endif
+ struct device class_dev; /* sysfs device */
struct list_head dev_list; /* linkage */
};
int (*open)(struct atm_vcc *vcc);
void (*close)(struct atm_vcc *vcc);
int (*ioctl)(struct atm_dev *dev,unsigned int cmd,void __user *arg);
+#ifdef CONFIG_COMPAT
+ int (*compat_ioctl)(struct atm_dev *dev,unsigned int cmd,
+ void __user *arg);
+#endif
int (*getsockopt)(struct atm_vcc *vcc,int level,int optname,
void __user *optval,int optlen);
int (*setsockopt)(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen);
+ void __user *optval,unsigned int optlen);
int (*send)(struct atm_vcc *vcc,struct sk_buff *skb);
int (*send_oam)(struct atm_vcc *vcc,void *cell,int flags);
void (*phy_put)(struct atm_dev *dev,unsigned char value,
int number,unsigned long *flags); /* number == -1: pick first available */
struct atm_dev *atm_dev_lookup(int number);
void atm_dev_deregister(struct atm_dev *dev);
-void shutdown_atm_dev(struct atm_dev *dev);
void vcc_insert_socket(struct sock *sk);
static inline void atm_dev_put(struct atm_dev *dev)
{
- atomic_dec(&dev->refcnt);
-
- if ((atomic_read(&dev->refcnt) == 1) &&
- test_bit(ATM_DF_CLOSE,&dev->flags))
- shutdown_atm_dev(dev);
+ if (atomic_dec_and_test(&dev->refcnt)) {
+ BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags));
+ if (dev->ops->dev_close)
+ dev->ops->dev_close(dev);
+ put_device(&dev->class_dev);
+ }
}