'\" t
.\"     Title: struct usb_host_endpoint
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Host-Side Data Types and Macros
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "STRUCT USB_HOST_ENDP" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Host-Side Data Types and Macro"
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.SH "NAME"
struct_usb_host_endpoint \- host\-side endpoint descriptor and queue
.SH "SYNOPSIS"
.sp
.nf
struct usb_host_endpoint {
  struct usb_endpoint_descriptor desc;
  struct usb_ss_ep_comp_descriptor ss_ep_comp;
  struct usb_ssp_isoc_ep_comp_descriptor ssp_isoc_ep_comp;
  struct list_head urb_list;
  void * hcpriv;
  struct ep_device * ep_dev;
  unsigned char * extra;
  int extralen;
  int enabled;
  int streams;
};  
.fi
.SH "MEMBERS"
.PP
desc
.RS 4
descriptor for this endpoint, wMaxPacketSize in native byteorder
.RE
.PP
ss_ep_comp
.RS 4
SuperSpeed companion descriptor for this endpoint
.RE
.PP
ssp_isoc_ep_comp
.RS 4
SuperSpeedPlus isoc companion descriptor for this endpoint
.RE
.PP
urb_list
.RS 4
urbs queued to this endpoint; maintained by usbcore
.RE
.PP
hcpriv
.RS 4
for use by HCD; typically holds hardware dma queue head (QH) with one or more transfer descriptors (TDs) per urb
.RE
.PP
ep_dev
.RS 4
ep_device for sysfs info
.RE
.PP
extra
.RS 4
descriptors following this endpoint in the configuration
.RE
.PP
extralen
.RS 4
how many bytes of
\(lqextra\(rq
are valid
.RE
.PP
enabled
.RS 4
URBs may be submitted to this endpoint
.RE
.PP
streams
.RS 4
number of USB\-3 streams allocated on the endpoint
.RE
.SH "DESCRIPTION"
.PP
USB requests are always queued to a given endpoint, identified by a descriptor within an active interface in a given USB configuration\&.
.SH "COPYRIGHT"
.br