74c6c20b93
- Reduce the number of headers needed for a usb driver, the common case is just usb.h and usbdi.h
311 lines
8.8 KiB
C
311 lines
8.8 KiB
C
#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* This file contains the USB templates for a CDC USB ethernet device.
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/linker_set.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_cdc.h>
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#include <dev/usb/template/usb_template.h>
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enum {
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STRING_LANG_INDEX,
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STRING_MAC_INDEX,
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STRING_ETH_CONTROL_INDEX,
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STRING_ETH_DATA_INDEX,
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STRING_ETH_CONFIG_INDEX,
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STRING_ETH_VENDOR_INDEX,
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STRING_ETH_PRODUCT_INDEX,
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STRING_ETH_SERIAL_INDEX,
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STRING_ETH_MAX,
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};
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#define STRING_LANG \
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0x09, 0x04, /* American English */
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#define STRING_MAC \
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'2', 0, 'A', 0, '2', 0, '3', 0, \
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'4', 0, '5', 0, '6', 0, '7', 0, \
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'8', 0, '9', 0, 'A', 0, 'B', 0,
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#define STRING_ETH_CONTROL \
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'U', 0, 'S', 0, 'B', 0, ' ', 0, \
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'E', 0, 't', 0, 'h', 0, 'e', 0, \
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'r', 0, 'n', 0, 'e', 0, 't', 0, \
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' ', 0, 'C', 0, 'o', 0, 'm', 0, \
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'm', 0, ' ', 0, 'i', 0, 'n', 0, \
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't', 0, 'e', 0, 'r', 0, 'f', 0, \
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'a', 0, 'c', 0, 'e', 0,
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#define STRING_ETH_DATA \
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'U', 0, 'S', 0, 'B', 0, ' ', 0, \
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'E', 0, 't', 0, 'h', 0, 'e', 0, \
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'r', 0, 'n', 0, 'e', 0, 't', 0, \
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' ', 0, 'D', 0, 'a', 0, 't', 0, \
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'a', 0, ' ', 0, 'i', 0, 'n', 0, \
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't', 0, 'e', 0, 'r', 0, 'f', 0, \
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'a', 0, 'c', 0, 'e', 0,
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#define STRING_ETH_CONFIG \
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'D', 0, 'e', 0, 'f', 0, 'a', 0, \
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'u', 0, 'l', 0, 't', 0, ' ', 0, \
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'c', 0, 'o', 0, 'n', 0, 'f', 0, \
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'i', 0, 'g', 0,
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#define STRING_ETH_VENDOR \
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'F', 0, 'r', 0, 'e', 0, 'e', 0, \
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'B', 0, 'S', 0, 'D', 0, ' ', 0, \
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'f', 0, 'o', 0, 'u', 0, 'n', 0, \
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'd', 0, 'a', 0, 't', 0, 'i', 0, \
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'o', 0, 'n', 0,
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#define STRING_ETH_PRODUCT \
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'U', 0, 'S', 0, 'B', 0, ' ', 0, \
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'E', 0, 't', 0, 'h', 0, 'e', 0, \
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'r', 0, 'n', 0, 'e', 0, 't', 0, \
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' ', 0, 'A', 0, 'd', 0, 'a', 0, \
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'p', 0, 't', 0, 'e', 0, 'r', 0,
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#define STRING_ETH_SERIAL \
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'D', 0, 'e', 0, 'c', 0, 'e', 0, \
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'm', 0, 'b', 0, 'e', 0, 'r', 0, \
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' ', 0, '2', 0, '0', 0, '0', 0, \
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'7', 0,
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/* make the real string descriptors */
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USB_MAKE_STRING_DESC(STRING_LANG, string_lang);
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USB_MAKE_STRING_DESC(STRING_MAC, string_mac);
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USB_MAKE_STRING_DESC(STRING_ETH_CONTROL, string_eth_control);
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USB_MAKE_STRING_DESC(STRING_ETH_DATA, string_eth_data);
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USB_MAKE_STRING_DESC(STRING_ETH_CONFIG, string_eth_config);
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USB_MAKE_STRING_DESC(STRING_ETH_VENDOR, string_eth_vendor);
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USB_MAKE_STRING_DESC(STRING_ETH_PRODUCT, string_eth_product);
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USB_MAKE_STRING_DESC(STRING_ETH_SERIAL, string_eth_serial);
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/* prototypes */
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static usb_temp_get_string_desc_t eth_get_string_desc;
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static const struct usb_cdc_union_descriptor eth_union_desc = {
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.bLength = sizeof(eth_union_desc),
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.bDescriptorType = UDESC_CS_INTERFACE,
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.bDescriptorSubtype = UDESCSUB_CDC_UNION,
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.bMasterInterface = 0, /* this is automatically updated */
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.bSlaveInterface[0] = 1, /* this is automatically updated */
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};
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static const struct usb_cdc_header_descriptor eth_header_desc = {
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.bLength = sizeof(eth_header_desc),
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.bDescriptorType = UDESC_CS_INTERFACE,
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.bDescriptorSubtype = UDESCSUB_CDC_HEADER,
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.bcdCDC[0] = 0x10,
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.bcdCDC[1] = 0x01,
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};
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static const struct usb_cdc_ethernet_descriptor eth_enf_desc = {
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.bLength = sizeof(eth_enf_desc),
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.bDescriptorType = UDESC_CS_INTERFACE,
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.bDescriptorSubtype = UDESCSUB_CDC_ENF,
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.iMacAddress = STRING_MAC_INDEX,
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.bmEthernetStatistics = {0, 0, 0, 0},
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.wMaxSegmentSize = {0xEA, 0x05},/* 1514 bytes */
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.wNumberMCFilters = {0, 0},
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.bNumberPowerFilters = 0,
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};
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static const void *eth_control_if_desc[] = {
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ð_union_desc,
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ð_header_desc,
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ð_enf_desc,
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NULL,
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};
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static const struct usb_temp_packet_size bulk_mps = {
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.mps[USB_SPEED_FULL] = 64,
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.mps[USB_SPEED_HIGH] = 512,
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};
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static const struct usb_temp_packet_size intr_mps = {
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.mps[USB_SPEED_FULL] = 8,
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.mps[USB_SPEED_HIGH] = 8,
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};
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static const struct usb_temp_endpoint_desc bulk_in_ep = {
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.pPacketSize = &bulk_mps,
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#ifdef USB_HIP_IN_EP_0
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.bEndpointAddress = USB_HIP_IN_EP_0,
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#else
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.bEndpointAddress = UE_DIR_IN,
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#endif
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.bmAttributes = UE_BULK,
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};
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static const struct usb_temp_endpoint_desc bulk_out_ep = {
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.pPacketSize = &bulk_mps,
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#ifdef USB_HIP_OUT_EP_0
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.bEndpointAddress = USB_HIP_OUT_EP_0,
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#else
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.bEndpointAddress = UE_DIR_OUT,
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#endif
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.bmAttributes = UE_BULK,
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};
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static const struct usb_temp_endpoint_desc intr_in_ep = {
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.pPacketSize = &intr_mps,
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.bEndpointAddress = UE_DIR_IN,
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.bmAttributes = UE_INTERRUPT,
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};
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static const struct usb_temp_endpoint_desc *eth_intr_endpoints[] = {
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&intr_in_ep,
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NULL,
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};
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static const struct usb_temp_interface_desc eth_control_interface = {
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.ppEndpoints = eth_intr_endpoints,
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.ppRawDesc = eth_control_if_desc,
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.bInterfaceClass = UICLASS_CDC,
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.bInterfaceSubClass = UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL,
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.bInterfaceProtocol = 0,
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.iInterface = STRING_ETH_CONTROL_INDEX,
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};
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static const struct usb_temp_endpoint_desc *eth_data_endpoints[] = {
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&bulk_in_ep,
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&bulk_out_ep,
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NULL,
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};
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static const struct usb_temp_interface_desc eth_data_null_interface = {
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.ppEndpoints = NULL, /* no endpoints */
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.bInterfaceClass = UICLASS_CDC_DATA,
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.bInterfaceSubClass = 0,
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.bInterfaceProtocol = 0,
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.iInterface = STRING_ETH_DATA_INDEX,
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};
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static const struct usb_temp_interface_desc eth_data_interface = {
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.ppEndpoints = eth_data_endpoints,
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.bInterfaceClass = UICLASS_CDC_DATA,
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.bInterfaceSubClass = UISUBCLASS_DATA,
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.bInterfaceProtocol = 0,
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.iInterface = STRING_ETH_DATA_INDEX,
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.isAltInterface = 1, /* this is an alternate setting */
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};
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static const struct usb_temp_interface_desc *eth_interfaces[] = {
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ð_control_interface,
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ð_data_null_interface,
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ð_data_interface,
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NULL,
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};
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static const struct usb_temp_config_desc eth_config_desc = {
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.ppIfaceDesc = eth_interfaces,
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.bmAttributes = UC_BUS_POWERED,
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.bMaxPower = 25, /* 50 mA */
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.iConfiguration = STRING_ETH_CONFIG_INDEX,
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};
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static const struct usb_temp_config_desc *eth_configs[] = {
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ð_config_desc,
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NULL,
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};
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const struct usb_temp_device_desc usb_template_cdce = {
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.getStringDesc = ð_get_string_desc,
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.ppConfigDesc = eth_configs,
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.idVendor = 0x0001,
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.idProduct = 0x0001,
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.bcdDevice = 0x0100,
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.bDeviceClass = UDCLASS_COMM,
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.bDeviceSubClass = 0,
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.bDeviceProtocol = 0,
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.iManufacturer = STRING_ETH_VENDOR_INDEX,
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.iProduct = STRING_ETH_PRODUCT_INDEX,
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.iSerialNumber = STRING_ETH_SERIAL_INDEX,
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};
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/*------------------------------------------------------------------------*
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* eth_get_string_desc
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*
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* Return values:
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* NULL: Failure. No such string.
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* Else: Success. Pointer to string descriptor is returned.
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*------------------------------------------------------------------------*/
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static const void *
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eth_get_string_desc(uint16_t lang_id, uint8_t string_index)
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{
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static const void *ptr[STRING_ETH_MAX] = {
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[STRING_LANG_INDEX] = &string_lang,
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[STRING_MAC_INDEX] = &string_mac,
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[STRING_ETH_CONTROL_INDEX] = &string_eth_control,
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[STRING_ETH_DATA_INDEX] = &string_eth_data,
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[STRING_ETH_CONFIG_INDEX] = &string_eth_config,
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[STRING_ETH_VENDOR_INDEX] = &string_eth_vendor,
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[STRING_ETH_PRODUCT_INDEX] = &string_eth_product,
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[STRING_ETH_SERIAL_INDEX] = &string_eth_serial,
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};
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if (string_index == 0) {
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return (&string_lang);
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}
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if (lang_id != 0x0409) {
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return (NULL);
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}
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if (string_index < STRING_ETH_MAX) {
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return (ptr[string_index]);
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}
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return (NULL);
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}
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