diff options
Diffstat (limited to 'drivers/usb/net/usbnet.h')
| -rw-r--r-- | drivers/usb/net/usbnet.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/usb/net/usbnet.h b/drivers/usb/net/usbnet.h index 21b5feb54fc..7aa0abd1a9b 100644 --- a/drivers/usb/net/usbnet.h +++ b/drivers/usb/net/usbnet.h @@ -126,6 +126,28 @@ extern int usbnet_resume (struct usb_interface *); extern void usbnet_disconnect(struct usb_interface *); +/* Drivers that reuse some of the standard USB CDC infrastructure + * (notably, using multiple interfaces according to the the CDC + * union descriptor) get some helper code. + */ +struct cdc_state { + struct usb_cdc_header_desc *header; + struct usb_cdc_union_desc *u; + struct usb_cdc_ether_desc *ether; + struct usb_interface *control; + struct usb_interface *data; +}; + +extern int usbnet_generic_cdc_bind (struct usbnet *, struct usb_interface *); +extern void usbnet_cdc_unbind (struct usbnet *, struct usb_interface *); + +/* CDC and RNDIS support the same host-chosen packet filters for IN transfers */ +#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \ + |USB_CDC_PACKET_TYPE_ALL_MULTICAST \ + |USB_CDC_PACKET_TYPE_PROMISCUOUS \ + |USB_CDC_PACKET_TYPE_DIRECTED) + + /* we record the state for each of our queued skbs */ enum skb_state { illegal = 0, |