diff options
Diffstat (limited to 'drivers/usb/gadget/function/u_ether.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_ether.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h index 332307d54292..34be220cef77 100644 --- a/drivers/usb/gadget/function/u_ether.h +++ b/drivers/usb/gadget/function/u_ether.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * u_ether.h -- interface to USB gadget "ethernet link" utilities * @@ -79,6 +79,7 @@ struct gether { /* called on network open/close */ void (*open)(struct gether *); void (*close)(struct gether *); + bool is_suspend; }; #define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \ @@ -244,8 +245,23 @@ unsigned gether_get_qmult(struct net_device *net); */ int gether_get_ifname(struct net_device *net, char *name, int len); +/** + * gether_set_ifname - set an ethernet-over-usb link interface name + * @net: device representing this link + * @name: new interface name + * @len: length of @name + * + * This sets the interface name of this ethernet-over-usb link. + * A single terminating newline, if any, is ignored. + * Returns zero on success, else negative errno. + */ +int gether_set_ifname(struct net_device *net, const char *name, int len); + void gether_cleanup(struct eth_dev *dev); +void gether_suspend(struct gether *link); +void gether_resume(struct gether *link); + /* connect/disconnect is handled by individual functions */ struct net_device *gether_connect(struct gether *); void gether_disconnect(struct gether *); @@ -263,4 +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 */ |