dev/usb/usb_parse.c

66  * descriptors. If the "desc" argument passed to this function is
71  *   Else: Next descriptor after "desc"
80 	uint8_t *desc;
89 	desc = (uint8_t *)_desc;
92 	if (desc == NULL)
93 		desc = start;
95 		desc = desc + desc[0];
98 	if ((desc < start) || (desc >= end))
102 	desc_next = desc + desc[0];
107 	if (desc[0] < 3)
111 	return ((struct usb_descriptor *)desc);
133 	id = (struct usb_interface_descriptor *)ps->desc;
163 	if (ps->desc == NULL) {
183 	ps->desc = (struct usb_descriptor *)id;
202 	struct usb_descriptor *desc;
204 	desc = ((struct usb_descriptor *)ped);
206 	while ((desc = usb_desc_foreach(cd, desc))) {
207 		if (desc->bDescriptorType == UDESC_INTERFACE) {
210 		if (desc->bDescriptorType == UDESC_ENDPOINT) {
211 			if (desc->bLength < sizeof(*ped)) {
215 			return ((struct usb_endpoint_descriptor *)desc);
237 	struct usb_descriptor *desc;
239 	desc = ((struct usb_descriptor *)ped);
241 	while ((desc = usb_desc_foreach(cd, desc))) {
242 		if (desc->bDescriptorType == UDESC_INTERFACE)
244 		if (desc->bDescriptorType == UDESC_ENDPOINT)
246 		if (desc->bDescriptorType == UDESC_ENDPOINT_SS_COMP) {
247 			if (desc->bLength < sizeof(*ped)) {
251 			return ((struct usb_endpoint_ss_comp_descriptor *)desc);
266 	struct usb_descriptor *desc = NULL;
269 	while ((desc = usb_desc_foreach(cd, desc))) {
270 		if (desc->bDescriptorType == type) {
291 	struct usb_descriptor *desc;
305 	desc = NULL;
306 	while ((desc = usb_desc_foreach(cd, desc))) {
307 		if ((desc->bDescriptorType == UDESC_INTERFACE) &&
308 		    (desc->bLength >= sizeof(*id))) {
309 			id = (struct usb_interface_descriptor *)desc;