diff options
Diffstat (limited to 'include/linux/usb/usbnet.h')
| -rw-r--r-- | include/linux/usb/usbnet.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 9f08a584d707..2945923a8a95 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -14,6 +14,7 @@ #include <linux/skbuff.h> #include <linux/types.h> #include <linux/usb.h> +#include <linux/spinlock.h> /* interface from usbnet core to each USB networking link we handle */ struct usbnet { @@ -58,7 +59,8 @@ struct usbnet { unsigned interrupt_count; struct mutex interrupt_mutex; struct usb_anchor deferred; - struct tasklet_struct bh; + struct work_struct bh_work; + spinlock_t bql_spinlock; struct work_struct kevent; unsigned long flags; @@ -76,8 +78,24 @@ struct usbnet { # define EVENT_LINK_CHANGE 11 # define EVENT_SET_RX_MODE 12 # define EVENT_NO_IP_ALIGN 13 +# define EVENT_LINK_CARRIER_ON 14 +/* This one is special, as it indicates that the device is going away + * there are cyclic dependencies between tasklet, timer and bh + * that must be broken + */ +# define EVENT_UNPLUG 31 }; +static inline bool usbnet_going_away(struct usbnet *ubn) +{ + return test_bit(EVENT_UNPLUG, &ubn->flags); +} + +static inline void usbnet_mark_going_away(struct usbnet *ubn) +{ + set_bit(EVENT_UNPLUG, &ubn->flags); +} + static inline struct usb_driver *driver_of(struct usb_interface *intf) { return to_usb_driver(intf->dev.driver); |