diff options
Diffstat (limited to 'drivers/usb/atm/usbatm.h')
| -rw-r--r-- | drivers/usb/atm/usbatm.h | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h index 1adacd60d71..ff8551e9337 100644 --- a/drivers/usb/atm/usbatm.h +++ b/drivers/usb/atm/usbatm.h @@ -24,21 +24,21 @@ #ifndef _USBATM_H_ #define _USBATM_H_ -#include <linux/config.h> - -/* -#define VERBOSE_DEBUG -*/ - #include <asm/semaphore.h> #include <linux/atm.h> #include <linux/atmdev.h> #include <linux/completion.h> #include <linux/device.h> +#include <linux/kernel.h> #include <linux/kref.h> #include <linux/list.h> #include <linux/stringify.h> #include <linux/usb.h> +#include <linux/mutex.h> + +/* +#define VERBOSE_DEBUG +*/ #ifdef DEBUG #define UDSL_ASSERT(x) BUG_ON(!(x)) @@ -52,8 +52,13 @@ dev_info(&(instance)->usb_intf->dev , format , ## arg) #define usb_warn(instance, format, arg...) \ dev_warn(&(instance)->usb_intf->dev , format , ## arg) +#ifdef DEBUG #define usb_dbg(instance, format, arg...) \ - dev_dbg(&(instance)->usb_intf->dev , format , ## arg) + dev_printk(KERN_DEBUG , &(instance)->usb_intf->dev , format , ## arg) +#else +#define usb_dbg(instance, format, arg...) \ + do {} while (0) +#endif /* FIXME: move to dev_* once ATM is driver model aware */ #define atm_printk(level, instance, format, arg...) \ @@ -69,12 +74,24 @@ #ifdef DEBUG #define atm_dbg(instance, format, arg...) \ atm_printk(KERN_DEBUG, instance , format , ## arg) +#define atm_rldbg(instance, format, arg...) \ + if (printk_ratelimit()) \ + atm_printk(KERN_DEBUG, instance , format , ## arg) #else #define atm_dbg(instance, format, arg...) \ do {} while (0) +#define atm_rldbg(instance, format, arg...) \ + do {} while (0) #endif +/* flags, set by mini-driver in bind() */ + +#define UDSL_SKIP_HEAVY_INIT (1<<0) +#define UDSL_USE_ISOC (1<<1) +#define UDSL_IGNORE_EILSEQ (1<<2) + + /* mini driver */ struct usbatm_data; @@ -86,16 +103,11 @@ struct usbatm_data; */ struct usbatm_driver { - struct module *owner; - const char *driver_name; - /* - * init device ... can sleep, or cause probe() failure. Drivers with a heavy_init - * method can avoid having it called by setting need_heavy_init to zero. - */ + /* init device ... can sleep, or cause probe() failure */ int (*bind) (struct usbatm_data *, struct usb_interface *, - const struct usb_device_id *id, int *need_heavy_init); + const struct usb_device_id *id); /* additional device initialization that is too slow to be done in probe() */ int (*heavy_init) (struct usbatm_data *, struct usb_interface *); @@ -109,8 +121,9 @@ struct usbatm_driver { /* cleanup ATM device ... can sleep, but can't fail */ void (*atm_stop) (struct usbatm_data *, struct atm_dev *); - int in; /* rx endpoint */ - int out; /* tx endpoint */ + int bulk_in; /* bulk rx endpoint */ + int isoc_in; /* isochronous rx endpoint */ + int bulk_out; /* bulk tx endpoint */ unsigned rx_padding; unsigned tx_padding; @@ -125,6 +138,7 @@ struct usbatm_channel { int endpoint; /* usb pipe */ unsigned int stride; /* ATM cell size + padding */ unsigned int buf_size; /* urb buffer size */ + unsigned int packet_size; /* endpoint maxpacket */ spinlock_t lock; struct list_head list; struct tasklet_struct tasklet; @@ -143,6 +157,7 @@ struct usbatm_data { struct usbatm_driver *driver; void *driver_data; char driver_name[16]; + unsigned int flags; /* set by mini-driver in bind() */ /* USB device */ struct usb_device *usb_dev; @@ -157,7 +172,8 @@ struct usbatm_data { ********************************/ struct kref refcount; - struct semaphore serialize; + struct mutex serialize; + int disconnected; /* heavy init */ int thread_pid; @@ -171,7 +187,14 @@ struct usbatm_data { struct usbatm_channel tx_channel; struct sk_buff_head sndqueue; - struct sk_buff *current_skb; /* being emptied */ + struct sk_buff *current_skb; /* being emptied */ + + struct usbatm_vcc_data *cached_vcc; + int cached_vci; + short cached_vpi; + + unsigned char *cell_buf; /* holds partial rx cell */ + unsigned int buf_usage; struct urb *urbs[0]; }; |