248 	bpf_u_int32 offset = 0;  in swap_linux_usb_header()  local
260 	offset += 8;			/* skip past id */  in swap_linux_usb_header()
261 	if (hdr->caplen < offset)  in swap_linux_usb_header()
265 	offset += 4;			/* skip past various 1-byte fields */  in swap_linux_usb_header()
267 	offset += 2;			/* skip past bus_id */  in swap_linux_usb_header()
268 	if (hdr->caplen < offset)  in swap_linux_usb_header()
272 	offset += 2;			/* skip past various 1-byte fields */  in swap_linux_usb_header()
274 	offset += 8;			/* skip past ts_sec */  in swap_linux_usb_header()
275 	if (hdr->caplen < offset)  in swap_linux_usb_header()
279 	offset += 4;			/* skip past ts_usec */  in swap_linux_usb_header()
280 	if (hdr->caplen < offset)  in swap_linux_usb_header()
284 	offset += 4;			/* skip past status */  in swap_linux_usb_header()
285 	if (hdr->caplen < offset)  in swap_linux_usb_header()
289 	offset += 4;			/* skip past urb_len */  in swap_linux_usb_header()
290 	if (hdr->caplen < offset)  in swap_linux_usb_header()
294 	offset += 4;			/* skip past data_len */  in swap_linux_usb_header()
295 	if (hdr->caplen < offset)  in swap_linux_usb_header()
300 		offset += 4;			/* skip past s.iso.error_count */  in swap_linux_usb_header()
301 		if (hdr->caplen < offset)  in swap_linux_usb_header()
305 		offset += 4;			/* skip past s.iso.numdesc */  in swap_linux_usb_header()
306 		if (hdr->caplen < offset)  in swap_linux_usb_header()
310 		offset += 8;			/* skip USB setup header */  in swap_linux_usb_header()
332 		offset += 4;			/* skip past interval */  in swap_linux_usb_header()
333 		if (hdr->caplen < offset)  in swap_linux_usb_header()
337 		offset += 4;			/* skip past start_frame */  in swap_linux_usb_header()
338 		if (hdr->caplen < offset)  in swap_linux_usb_header()
342 		offset += 4;			/* skip past xfer_flags */  in swap_linux_usb_header()
343 		if (hdr->caplen < offset)  in swap_linux_usb_header()
347 		offset += 4;			/* skip past ndesc */  in swap_linux_usb_header()
348 		if (hdr->caplen < offset)  in swap_linux_usb_header()
357 			pisodesc = (usb_isodesc *)(void *)(buf+offset);  in swap_linux_usb_header()
359 				offset += 4;		/* skip past status */  in swap_linux_usb_header()
360 				if (hdr->caplen < offset)  in swap_linux_usb_header()
364 				offset += 4;		/* skip past offset */  in swap_linux_usb_header()
365 				if (hdr->caplen < offset)  in swap_linux_usb_header()
367 				pisodesc->offset = SWAPLONG(pisodesc->offset);  in swap_linux_usb_header()
369 				offset += 4;		/* skip past len */  in swap_linux_usb_header()
370 				if (hdr->caplen < offset)  in swap_linux_usb_header()
374 				offset += 4;		/* skip past padding */  in swap_linux_usb_header()