75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
#ifndef _IPXE_USBNET_H
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#define _IPXE_USBNET_H
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/** @file
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*
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* USB network devices
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <ipxe/usb.h>
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/** A USB network device */
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struct usbnet_device {
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/** USB function */
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struct usb_function *func;
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/** Communications interface */
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unsigned int comms;
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/** Data interface */
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unsigned int data;
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/** Alternate setting for data interface */
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unsigned int alternate;
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/** Interrupt endpoint */
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struct usb_endpoint intr;
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/** Bulk IN endpoint */
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struct usb_endpoint in;
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/** Bulk OUT endpoint */
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struct usb_endpoint out;
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};
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/**
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* Initialise USB network device
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*
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* @v usbnet USB network device
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* @v func USB function
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* @v intr Interrupt endpoint operations, or NULL
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* @v in Bulk IN endpoint operations
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* @v out Bulk OUT endpoint operations
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*/
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static inline __attribute__ (( always_inline )) void
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usbnet_init ( struct usbnet_device *usbnet, struct usb_function *func,
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struct usb_endpoint_driver_operations *intr,
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struct usb_endpoint_driver_operations *in,
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struct usb_endpoint_driver_operations *out ) {
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struct usb_device *usb = func->usb;
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usbnet->func = func;
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usb_endpoint_init ( &usbnet->intr, usb, intr );
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usb_endpoint_init ( &usbnet->in, usb, in );
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usb_endpoint_init ( &usbnet->out, usb, out );
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}
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/**
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* Check if USB network device has an interrupt endpoint
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*
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* @v usbnet USB network device
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* @ret has_intr Device has an interrupt endpoint
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*/
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static inline __attribute__ (( always_inline )) int
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usbnet_has_intr ( struct usbnet_device *usbnet ) {
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return ( usbnet->intr.driver != NULL );
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}
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extern int usbnet_open ( struct usbnet_device *usbnet );
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extern void usbnet_close ( struct usbnet_device *usbnet );
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extern int usbnet_refill ( struct usbnet_device *usbnet );
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extern int usbnet_describe ( struct usbnet_device *usbnet,
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struct usb_configuration_descriptor *config );
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#endif /* _IPXE_USBNET_H */
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