4  * SPDX-License-Identifier: Apache-2.0
38 	return setup->wLength && USB_REQTYPE_GET_DIR(setup->bmRequestType);  in reqtype_is_to_host()
49 	uds_ctx->ch9_data.ctrl_type = type;  in ch9_set_ctrl_type()
54 	return uds_ctx->ch9_data.ctrl_type;  in ch9_get_ctrl_type()
62 	if (setup->bRequest == USB_SREQ_SET_ADDRESS) {  in post_status_stage()
63 		ret = udc_set_address(uds_ctx->dev, setup->wValue);  in post_status_stage()
65 			LOG_ERR("Failed to set device address 0x%x", setup->wValue);  in post_status_stage()
69 	if (setup->bRequest == USB_SREQ_SET_FEATURE &&  in post_status_stage()
70 	    setup->wValue == USB_SFS_TEST_MODE) {  in post_status_stage()
71 		uint8_t mode = SF_TEST_MODE_SELECTOR(setup->wIndex);  in post_status_stage()
73 		ret = udc_test_mode(uds_ctx->dev, mode, false);  in post_status_stage()
79 	uds_ctx->ch9_data.post_status = false;  in post_status_stage()
87 	struct udc_device_caps caps = udc_caps(uds_ctx->dev);  in sreq_set_address()
89 	/* Not specified if wIndex or wLength is non-zero, treat as error */  in sreq_set_address()
90 	if (setup->wValue > 127 || setup->wIndex || setup->wLength) {  in sreq_set_address()
91 		errno = -ENOTSUP;  in sreq_set_address()
95 	if (setup->RequestType.recipient != USB_REQTYPE_RECIPIENT_DEVICE) {  in sreq_set_address()
96 		errno = -ENOTSUP;  in sreq_set_address()
101 		errno = -EPERM;  in sreq_set_address()
108 		ret = udc_set_address(uds_ctx->dev, setup->wValue);  in sreq_set_address()
110 			LOG_ERR("Failed to set device address 0x%x", setup->wValue);  in sreq_set_address()
114 		uds_ctx->ch9_data.post_status = true;  in sreq_set_address()
117 	if (usbd_state_is_address(uds_ctx) && setup->wValue == 0) {  in sreq_set_address()
118 		uds_ctx->ch9_data.state = USBD_STATE_DEFAULT;  in sreq_set_address()
120 		uds_ctx->ch9_data.state = USBD_STATE_ADDRESS;  in sreq_set_address()
133 	LOG_INF("Set Configuration Request value %u", setup->wValue);  in sreq_set_configuration()
135 	/* Not specified if wLength is non-zero, treat as error */  in sreq_set_configuration()
136 	if (setup->wValue > UINT8_MAX || setup->wLength) {  in sreq_set_configuration()
137 		errno = -ENOTSUP;  in sreq_set_configuration()
141 	if (setup->RequestType.recipient != USB_REQTYPE_RECIPIENT_DEVICE) {  in sreq_set_configuration()
142 		errno = -ENOTSUP;  in sreq_set_configuration()
147 		errno = -EPERM;  in sreq_set_configuration()
151 	if (setup->wValue && !usbd_config_exist(uds_ctx, speed, setup->wValue)) {  in sreq_set_configuration()
152 		errno = -EPERM;  in sreq_set_configuration()
156 	if (setup->wValue == usbd_get_config_value(uds_ctx)) {  in sreq_set_configuration()
157 		LOG_DBG("Already in the configuration %u", setup->wValue);  in sreq_set_configuration()
161 	ret = usbd_config_set(uds_ctx, setup->wValue);  in sreq_set_configuration()
164 			setup->wValue, ret);  in sreq_set_configuration()
168 	if (setup->wValue == 0) {  in sreq_set_configuration()
170 		uds_ctx->ch9_data.state = USBD_STATE_ADDRESS;  in sreq_set_configuration()
172 		uds_ctx->ch9_data.state = USBD_STATE_CONFIGURED;  in sreq_set_configuration()
176 		usbd_msg_pub_simple(uds_ctx, USBD_MSG_CONFIGURATION, setup->wValue);  in sreq_set_configuration()
187 	if (setup->RequestType.recipient != USB_REQTYPE_RECIPIENT_INTERFACE) {  in sreq_set_interface()
188 		errno = -ENOTSUP;  in sreq_set_interface()
192 	/* Not specified if wLength is non-zero, treat as error */  in sreq_set_interface()
193 	if (setup->wLength) {  in sreq_set_interface()
194 		errno = -ENOTSUP;  in sreq_set_interface()
198 	if (setup->wValue > UINT8_MAX || setup->wIndex > UINT8_MAX) {  in sreq_set_interface()
199 		errno = -ENOTSUP;  in sreq_set_interface()
204 		errno = -EPERM;  in sreq_set_interface()
208 	ret = usbd_interface_set(uds_ctx, setup->wIndex, setup->wValue);  in sreq_set_interface()
209 	if (ret == -ENOENT) {  in sreq_set_interface()
224 		usbd_class_feature_halt(c_nd->c_data, ep, halted);  in sreq_feature_halt_notify()
231 	uint8_t ep = setup->wIndex;  in sreq_clear_feature()
234 	/* Not specified if wLength is non-zero, treat as error */  in sreq_clear_feature()
235 	if (setup->wLength) {  in sreq_clear_feature()
236 		errno = -ENOTSUP;  in sreq_clear_feature()
242 		errno = -EPERM;  in sreq_clear_feature()
246 	if (usbd_state_is_address(uds_ctx) && setup->wIndex) {  in sreq_clear_feature()
247 		errno = -EPERM;  in sreq_clear_feature()
251 	switch (setup->RequestType.recipient) {  in sreq_clear_feature()
253 		if (setup->wIndex != 0) {  in sreq_clear_feature()
254 			errno = -EPERM;  in sreq_clear_feature()
258 		if (setup->wValue == USB_SFS_REMOTE_WAKEUP) {  in sreq_clear_feature()
260 			uds_ctx->status.rwup = false;  in sreq_clear_feature()
264 		if (setup->wValue == USB_SFS_ENDPOINT_HALT) {  in sreq_clear_feature()
267 			ret = (errno == -EPERM) ? errno : 0;  in sreq_clear_feature()
286 	uint8_t mode = SF_TEST_MODE_SELECTOR(setup->wIndex);  in set_feature_test_mode()
288 	if (setup->RequestType.recipient != USB_REQTYPE_RECIPIENT_DEVICE ||  in set_feature_test_mode()
289 	    SF_TEST_LOWER_BYTE(setup->wIndex) != 0) {  in set_feature_test_mode()
290 		errno = -ENOTSUP;  in set_feature_test_mode()
294 	if (udc_test_mode(uds_ctx->dev, mode, true) != 0) {  in set_feature_test_mode()
295 		errno = -ENOTSUP;  in set_feature_test_mode()
299 	uds_ctx->ch9_data.post_status = true;  in set_feature_test_mode()
307 	uint8_t ep = setup->wIndex;  in sreq_set_feature()
310 	/* Not specified if wLength is non-zero, treat as error */  in sreq_set_feature()
311 	if (setup->wLength) {  in sreq_set_feature()
312 		errno = -ENOTSUP;  in sreq_set_feature()
316 	if (unlikely(setup->wValue == USB_SFS_TEST_MODE)) {  in sreq_set_feature()
325 		errno = -EPERM;  in sreq_set_feature()
329 	if (usbd_state_is_address(uds_ctx) && setup->wIndex) {  in sreq_set_feature()
330 		errno = -EPERM;  in sreq_set_feature()
334 	switch (setup->RequestType.recipient) {  in sreq_set_feature()
336 		if (setup->wIndex != 0) {  in sreq_set_feature()
337 			errno = -EPERM;  in sreq_set_feature()
341 		if (setup->wValue == USB_SFS_REMOTE_WAKEUP) {  in sreq_set_feature()
343 			uds_ctx->status.rwup = true;  in sreq_set_feature()
347 		if (setup->wValue == USB_SFS_ENDPOINT_HALT) {  in sreq_set_feature()
350 			ret = (errno == -EPERM) ? errno : 0;  in sreq_set_feature()
372 	switch (setup->bRequest) {  in std_request_to_device()
389 		errno = -ENOTSUP;  in std_request_to_device()
401 	uint8_t ep = setup->wIndex;  in sreq_get_status()
404 	if (setup->wLength != sizeof(response)) {  in sreq_get_status()
405 		errno = -ENOTSUP;  in sreq_get_status()
411 		errno = -EPERM;  in sreq_get_status()
415 	if (usbd_state_is_address(uds_ctx) && setup->wIndex) {  in sreq_get_status()
416 		errno = -EPERM;  in sreq_get_status()
420 	switch (setup->RequestType.recipient) {  in sreq_get_status()
422 		if (setup->wIndex != 0) {  in sreq_get_status()
423 			errno = -EPERM;  in sreq_get_status()
427 		response = uds_ctx->status.rwup ?  in sreq_get_status()
442 	if (net_buf_tailroom(buf) < setup->wLength) {  in sreq_get_status()
443 		errno = -ENOMEM;  in sreq_get_status()
447 	LOG_DBG("Get Status response 0x%04x", response);  in sreq_get_status()
454  * This function handles configuration and USB2.0 other-speed-configuration
472 	 * If the other-speed-configuration-descriptor is requested and the  in sreq_get_desc_cfg()
476 		errno = -ENOTSUP;  in sreq_get_desc_cfg()
493 		errno = -ENOTSUP;  in sreq_get_desc_cfg()
499 		memcpy(&other_desc, cfg_nd->desc, sizeof(other_desc));  in sreq_get_desc_cfg()
503 		cfg_desc = cfg_nd->desc;  in sreq_get_desc_cfg()
506 	net_buf_add_mem(buf, cfg_desc, MIN(net_buf_tailroom(buf), cfg_desc->bLength));  in sreq_get_desc_cfg()
508 	SYS_SLIST_FOR_EACH_CONTAINER(&cfg_nd->class_list, c_nd, node) {  in sreq_get_desc_cfg()
511 		dhp = usbd_class_get_desc(c_nd->c_data, get_desc_speed);  in sreq_get_desc_cfg()
516 		while (*dhp != NULL && (*dhp)->bLength != 0) {  in sreq_get_desc_cfg()
517 			len = MIN(net_buf_tailroom(buf), (*dhp)->bLength);  in sreq_get_desc_cfg()
523 	if (buf->len > setup->wLength) {  in sreq_get_desc_cfg()
524 		net_buf_remove_mem(buf, buf->len - setup->wLength);  in sreq_get_desc_cfg()
527 	LOG_DBG("Get Configuration descriptor %u, len %u", idx, buf->len);  in sreq_get_desc_cfg()
539 	ssize_t hwid_len = -ENOSYS;  in get_sn_from_hwid()
546 		if (hwid_len == -ENOSYS) {  in get_sn_from_hwid()
561 /* Copy and convert ASCII-7 string descriptor to UTF16-LE */
567 		.bDescriptorType = dn->bDescriptorType,  in string_ascii7_to_utf16le()
573 	if (dn->str.utype == USBD_DUT_STRING_SERIAL_NUMBER && dn->str.use_hwinfo) {  in string_ascii7_to_utf16le()
577 			errno = -ENOTSUP;  in string_ascii7_to_utf16le()
584 		head.bLength = dn->bLength;  in string_ascii7_to_utf16le()
585 		ascii7_str = (uint8_t *)dn->ptr;  in string_ascii7_to_utf16le()
591 	len = MIN(net_buf_tailroom(buf), MIN(head.bLength,  wLength));  in string_ascii7_to_utf16le()
594 	net_buf_add_mem(buf, &head, MIN(len, sizeof(head)));  in string_ascii7_to_utf16le()
595 	len -= MIN(len, sizeof(head));  in string_ascii7_to_utf16le()
599 			 "Only printable ascii-7 characters are allowed in USB "  in string_ascii7_to_utf16le()
616 	len = MIN(setup->wLength, net_buf_tailroom(buf));  in sreq_get_desc_dev()
620 		head = uds_ctx->fs_desc;  in sreq_get_desc_dev()
623 		head = uds_ctx->hs_desc;  in sreq_get_desc_dev()
626 		errno = -ENOTSUP;  in sreq_get_desc_dev()
630 	net_buf_add_mem(buf, head, MIN(len, head->bLength));  in sreq_get_desc_dev()
645 		errno = -ENOTSUP;  in sreq_get_desc_str()
652 			.bLength = d_nd->bLength,  in sreq_get_desc_str()
653 			.bDescriptorType = d_nd->bDescriptorType,  in sreq_get_desc_str()
654 			.bString =  *(uint16_t *)d_nd->ptr,  in sreq_get_desc_str()
657 		len = MIN(setup->wLength, net_buf_tailroom(buf));  in sreq_get_desc_str()
658 		net_buf_add_mem(buf, &langid, MIN(len, langid.bLength));  in sreq_get_desc_str()
661 		string_ascii7_to_utf16le(d_nd, buf, setup->wLength);  in sreq_get_desc_str()
671 	/* At Full-Speed we want High-Speed descriptor and vice versa */  in sreq_get_dev_qualifier()
674 		uds_ctx->hs_desc : uds_ctx->fs_desc;  in sreq_get_dev_qualifier()
678 		.bcdUSB = d_desc->bcdUSB,  in sreq_get_dev_qualifier()
679 		.bDeviceClass = d_desc->bDeviceClass,  in sreq_get_dev_qualifier()
680 		.bDeviceSubClass = d_desc->bDeviceSubClass,  in sreq_get_dev_qualifier()
681 		.bDeviceProtocol = d_desc->bDeviceProtocol,  in sreq_get_dev_qualifier()
682 		.bMaxPacketSize0 = d_desc->bMaxPacketSize0,  in sreq_get_dev_qualifier()
683 		.bNumConfigurations = d_desc->bNumConfigurations,  in sreq_get_dev_qualifier()
693 		errno = -ENOTSUP;  in sreq_get_dev_qualifier()
698 	len = MIN(setup->wLength, net_buf_tailroom(buf));  in sreq_get_dev_qualifier()
699 	net_buf_add_mem(buf, &q_desc, MIN(len, q_desc.bLength));  in sreq_get_dev_qualifier()
709 	root->bLength = sizeof(struct usb_bos_descriptor);  in desc_fill_bos_root()
710 	root->bDescriptorType = USB_DESC_BOS;  in desc_fill_bos_root()
711 	root->wTotalLength = root->bLength;  in desc_fill_bos_root()
712 	root->bNumDeviceCaps = 0;  in desc_fill_bos_root()
714 	SYS_DLIST_FOR_EACH_CONTAINER(&uds_ctx->descriptors, desc_nd, node) {  in desc_fill_bos_root()
715 		if (desc_nd->bDescriptorType == USB_DESC_BOS) {  in desc_fill_bos_root()
716 			root->wTotalLength += desc_nd->bLength;  in desc_fill_bos_root()
717 			root->bNumDeviceCaps++;  in desc_fill_bos_root()
733 		dev_dsc = uds_ctx->fs_desc;  in sreq_get_desc_bos()
736 		dev_dsc = uds_ctx->hs_desc;  in sreq_get_desc_bos()
739 		errno = -ENOTSUP;  in sreq_get_desc_bos()
743 	if (sys_le16_to_cpu(dev_dsc->bcdUSB) < 0x0201U) {  in sreq_get_desc_bos()
744 		errno = -ENOTSUP;  in sreq_get_desc_bos()
749 	len = MIN(net_buf_tailroom(buf), MIN(setup->wLength, bos.wTotalLength));  in sreq_get_desc_bos()
752 		setup->wLength, bos.bLength, bos.wTotalLength, net_buf_tailroom(buf));  in sreq_get_desc_bos()
754 	net_buf_add_mem(buf, &bos, MIN(len, bos.bLength));  in sreq_get_desc_bos()
756 	len -= MIN(len, sizeof(bos));  in sreq_get_desc_bos()
761 	SYS_DLIST_FOR_EACH_CONTAINER(&uds_ctx->descriptors, desc_nd, node) {  in sreq_get_desc_bos()
762 		if (desc_nd->bDescriptorType == USB_DESC_BOS) {  in sreq_get_desc_bos()
764 				desc_nd->bLength, len, net_buf_tailroom(buf));  in sreq_get_desc_bos()
765 			net_buf_add_mem(buf, desc_nd->ptr, MIN(len, desc_nd->bLength));  in sreq_get_desc_bos()
767 			len -= MIN(len, desc_nd->bLength);  in sreq_get_desc_bos()
781 	uint8_t desc_type = USB_GET_DESCRIPTOR_TYPE(setup->wValue);  in sreq_get_descriptor()
782 	uint8_t desc_idx = USB_GET_DESCRIPTOR_INDEX(setup->wValue);  in sreq_get_descriptor()
787 	if (setup->RequestType.recipient != USB_REQTYPE_RECIPIENT_DEVICE) {  in sreq_get_descriptor()
816 	errno = -ENOTSUP;  in sreq_get_descriptor()
829 		errno = -EPERM;  in sreq_get_configuration()
833 	if (setup->wLength != sizeof(cfg)) {  in sreq_get_configuration()
834 		errno = -ENOTSUP;  in sreq_get_configuration()
838 	if (net_buf_tailroom(buf) < setup->wLength) {  in sreq_get_configuration()
839 		errno = -ENOMEM;  in sreq_get_configuration()
856 	if (setup->RequestType.recipient != USB_REQTYPE_RECIPIENT_INTERFACE) {  in sreq_get_interface()
857 		errno = -EPERM;  in sreq_get_interface()
864 		errno = -EPERM;  in sreq_get_interface()
868 	cfg_desc = cfg_nd->desc;  in sreq_get_interface()
870 	if (setup->wIndex > UINT8_MAX ||  in sreq_get_interface()
871 	    setup->wIndex > cfg_desc->bNumInterfaces) {  in sreq_get_interface()
872 		errno = -ENOTSUP;  in sreq_get_interface()
876 	if (usbd_get_alt_value(uds_ctx, setup->wIndex, &cur_alt)) {  in sreq_get_interface()
877 		errno = -ENOTSUP;  in sreq_get_interface()
882 		setup->wIndex, cur_alt);  in sreq_get_interface()
884 	if (setup->wLength != sizeof(cur_alt)) {  in sreq_get_interface()
885 		errno = -ENOTSUP;  in sreq_get_interface()
889 	if (net_buf_tailroom(buf) < setup->wLength) {  in sreq_get_interface()
890 		errno = -ENOMEM;  in sreq_get_interface()
905 	switch (setup->bRequest) {  in std_request_to_host()
919 		errno = -ENOTSUP;  in std_request_to_host()
933 	vreq_nd = usbd_device_get_vreq(uds_ctx, setup->bRequest);  in vendor_device_request()
935 		errno = -ENOTSUP;  in vendor_device_request()
939 	if (reqtype_is_to_device(setup) && vreq_nd->to_dev != NULL) {  in vendor_device_request()
940 		LOG_DBG("Vendor request 0x%02x to device", setup->bRequest);  in vendor_device_request()
941 		errno = vreq_nd->to_dev(uds_ctx, setup, buf);  in vendor_device_request()
945 	if (reqtype_is_to_host(setup) && vreq_nd->to_host != NULL) {  in vendor_device_request()
946 		LOG_DBG("Vendor request 0x%02x to host", setup->bRequest);  in vendor_device_request()
947 		errno = vreq_nd->to_host(uds_ctx, setup, buf);  in vendor_device_request()
951 	errno = -ENOTSUP;  in vendor_device_request()
962 	switch (setup->RequestType.recipient) {  in nonstd_request()
964 		c_nd = usbd_class_get_by_ep(uds_ctx, setup->wIndex);  in nonstd_request()
967 		c_nd = usbd_class_get_by_iface(uds_ctx, setup->wIndex);  in nonstd_request()
970 		c_nd = usbd_class_get_by_req(uds_ctx, setup->bRequest);  in nonstd_request()
978 			ret = usbd_class_control_to_dev(c_nd->c_data, setup, dbuf);  in nonstd_request()
980 			ret = usbd_class_control_to_host(c_nd->c_data, setup, dbuf);  in nonstd_request()
997 	switch (setup->RequestType.type) {  in handle_setup_request()
1010 		errno = -ENOTSUP;  in handle_setup_request()
1017 		if (errno == -ENOTSUP) {  in handle_setup_request()
1020 		if (errno == -EPERM) {  in handle_setup_request()
1022 				uds_ctx->ch9_data.state);  in handle_setup_request()
1036 	if (buf->len < sizeof(struct usb_setup_packet)) {  in ctrl_xfer_get_setup()
1037 		return -EINVAL;  in ctrl_xfer_get_setup()
1040 	memcpy(setup, buf->data, sizeof(struct usb_setup_packet));  in ctrl_xfer_get_setup()
1042 	setup->wValue = sys_le16_to_cpu(setup->wValue);  in ctrl_xfer_get_setup()
1043 	setup->wIndex = sys_le16_to_cpu(setup->wIndex);  in ctrl_xfer_get_setup()
1044 	setup->wLength = sys_le16_to_cpu(setup->wLength);  in ctrl_xfer_get_setup()
1048 	buf_b = buf->frags;  in ctrl_xfer_get_setup()
1051 		return -ENODATA;  in ctrl_xfer_get_setup()
1057 		if (setup->wLength) {  in ctrl_xfer_get_setup()
1058 			if (!bi_b->data) {  in ctrl_xfer_get_setup()
1060 				return -EINVAL;  in ctrl_xfer_get_setup()
1063 			if (!bi_b->status) {  in ctrl_xfer_get_setup()
1065 				return -EINVAL;  in ctrl_xfer_get_setup()
1069 		if (!setup->wLength) {  in ctrl_xfer_get_setup()
1070 			LOG_ERR("device-to-host with wLength zero");  in ctrl_xfer_get_setup()
1071 			return -ENOTSUP;  in ctrl_xfer_get_setup()
1074 		if (!bi_b->data) {  in ctrl_xfer_get_setup()
1076 			return -EINVAL;  in ctrl_xfer_get_setup()
1094 			if (bi->status) {  in spool_data_out()
1111 	if (USB_EP_GET_IDX(bi->ep)) {  in usbd_handle_ctrl_xfer()
1113 		return -EIO;  in usbd_handle_ctrl_xfer()
1116 	if (err && err != -ENOMEM && !bi->setup) {  in usbd_handle_ctrl_xfer()
1117 		if (err == -ECONNABORTED) {  in usbd_handle_ctrl_xfer()
1118 			LOG_INF("Transfer 0x%02x aborted (bus reset?)", bi->ep);  in usbd_handle_ctrl_xfer()
1123 		LOG_ERR("Control transfer for 0x%02x has error %d, halt",  in usbd_handle_ctrl_xfer()
1124 			bi->ep, err);  in usbd_handle_ctrl_xfer()
1129 	LOG_INF("Handle control %p ep 0x%02x, len %u, s:%u d:%u s:%u",  in usbd_handle_ctrl_xfer()
1130 		buf, bi->ep, buf->len, bi->setup, bi->data, bi->status);  in usbd_handle_ctrl_xfer()
1132 	if (bi->setup && bi->ep == USB_CONTROL_EP_OUT) {  in usbd_handle_ctrl_xfer()
1168 		if (reqtype_is_to_device(setup) && setup->wLength) {  in usbd_handle_ctrl_xfer()
1185 	if (bi->status && bi->ep == USB_CONTROL_EP_OUT) {  in usbd_handle_ctrl_xfer()
1187 			LOG_INF("s-in-status finished");  in usbd_handle_ctrl_xfer()
1189 			LOG_WRN("Awaited s-in-status not finished");  in usbd_handle_ctrl_xfer()
1197 	if (bi->status && bi->ep == USB_CONTROL_EP_IN) {  in usbd_handle_ctrl_xfer()
1201 			LOG_INF("s-(out)-status finished");  in usbd_handle_ctrl_xfer()
1202 			if (unlikely(uds_ctx->ch9_data.post_status)) {  in usbd_handle_ctrl_xfer()
1206 			LOG_WRN("Awaited s-(out)-status not finished");  in usbd_handle_ctrl_xfer()
1217 	 * In the case there is -ENOMEM for data OUT stage halt  in usbd_handle_ctrl_xfer()
1221 		ret = udc_ep_set_halt(uds_ctx->dev, USB_CONTROL_EP_IN);  in usbd_handle_ctrl_xfer()
1222 	} else if (setup->wLength) {  in usbd_handle_ctrl_xfer()
1223 		uint8_t ep = (err == -ENOMEM) ? USB_CONTROL_EP_OUT : USB_CONTROL_EP_IN;  in usbd_handle_ctrl_xfer()
1225 		ret = udc_ep_set_halt(uds_ctx->dev, ep);  in usbd_handle_ctrl_xfer()
1227 		ret = udc_ep_set_halt(uds_ctx->dev, USB_CONTROL_EP_IN);  in usbd_handle_ctrl_xfer()
1237 	uds_ctx->ch9_data.state = USBD_STATE_DEFAULT;  in usbd_init_control_pipe()