diff options
Diffstat (limited to 'drivers/usb/gadget/function/u_ether.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_ether.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h index 851ee10d6e63..34be220cef77 100644 --- a/drivers/usb/gadget/function/u_ether.h +++ b/drivers/usb/gadget/function/u_ether.h @@ -279,4 +279,17 @@ static inline bool can_support_ecm(struct usb_gadget *gadget) return true; } +/* peak (theoretical) bulk transfer rate in bits-per-second */ +static inline unsigned int gether_bitrate(struct usb_gadget *g) +{ + if (g->speed >= USB_SPEED_SUPER_PLUS) + return 4250000000U; + if (g->speed == USB_SPEED_SUPER) + return 3750000000U; + else if (g->speed == USB_SPEED_HIGH) + return 13 * 512 * 8 * 1000 * 8; + else + return 19 * 64 * 1 * 1000 * 8; +} + #endif /* __U_ETHER_H */ |