usb/usbip/usbip_common.c

259 void usbip_dump_header(struct usbip_header *pdu)
262 		 pdu->base.command,
263 		 pdu->base.seqnum,
264 		 pdu->base.devid,
265 		 pdu->base.direction,
266 		 pdu->base.ep);
268 	switch (pdu->base.command) {
271 			 pdu->u.cmd_submit.transfer_flags,
272 			 pdu->u.cmd_submit.transfer_buffer_length,
273 			 pdu->u.cmd_submit.start_frame,
274 			 pdu->u.cmd_submit.number_of_packets,
275 			 pdu->u.cmd_submit.interval);
279 			 pdu->u.cmd_unlink.seqnum);
283 			 pdu->u.ret_submit.status,
284 			 pdu->u.ret_submit.actual_length,
285 			 pdu->u.ret_submit.start_frame,
286 			 pdu->u.ret_submit.number_of_packets,
287 			 pdu->u.ret_submit.error_count);
291 			 pdu->u.ret_unlink.status);
369  * usbip_pack_pdu() is the common routine that handles packing pdu from
370  * urb and unpack pdu to an urb.
433 static void usbip_pack_cmd_submit(struct usbip_header *pdu, struct urb *urb,
436 	struct usbip_header_cmd_submit *spdu = &pdu->u.cmd_submit;
458 static void usbip_pack_ret_submit(struct usbip_header *pdu, struct urb *urb,
461 	struct usbip_header_ret_submit *rpdu = &pdu->u.ret_submit;
478 void usbip_pack_pdu(struct usbip_header *pdu, struct urb *urb, int cmd,
483 		usbip_pack_cmd_submit(pdu, urb, pack);
486 		usbip_pack_ret_submit(pdu, urb, pack);
513 static void correct_endian_cmd_submit(struct usbip_header_cmd_submit *pdu,
517 		pdu->transfer_flags = cpu_to_be32(pdu->transfer_flags);
519 		cpu_to_be32s(&pdu->transfer_buffer_length);
520 		cpu_to_be32s(&pdu->start_frame);
521 		cpu_to_be32s(&pdu->number_of_packets);
522 		cpu_to_be32s(&pdu->interval);
524 		pdu->transfer_flags = be32_to_cpu(pdu->transfer_flags);
526 		be32_to_cpus(&pdu->transfer_buffer_length);
527 		be32_to_cpus(&pdu->start_frame);
528 		be32_to_cpus(&pdu->number_of_packets);
529 		be32_to_cpus(&pdu->interval);
533 static void correct_endian_ret_submit(struct usbip_header_ret_submit *pdu,
537 		cpu_to_be32s(&pdu->status);
538 		cpu_to_be32s(&pdu->actual_length);
539 		cpu_to_be32s(&pdu->start_frame);
540 		cpu_to_be32s(&pdu->number_of_packets);
541 		cpu_to_be32s(&pdu->error_count);
543 		be32_to_cpus(&pdu->status);
544 		be32_to_cpus(&pdu->actual_length);
545 		be32_to_cpus(&pdu->start_frame);
546 		be32_to_cpus(&pdu->number_of_packets);
547 		be32_to_cpus(&pdu->error_count);
551 static void correct_endian_cmd_unlink(struct usbip_header_cmd_unlink *pdu,
555 		pdu->seqnum = cpu_to_be32(pdu->seqnum);
557 		pdu->seqnum = be32_to_cpu(pdu->seqnum);
560 static void correct_endian_ret_unlink(struct usbip_header_ret_unlink *pdu,
564 		cpu_to_be32s(&pdu->status);
566 		be32_to_cpus(&pdu->status);
569 void usbip_header_correct_endian(struct usbip_header *pdu, int send)
574 		cmd = pdu->base.command;
576 	correct_endian_basic(&pdu->base, send);
579 		cmd = pdu->base.command;
583 		correct_endian_cmd_submit(&pdu->u.cmd_submit, send);
586 		correct_endian_ret_submit(&pdu->u.ret_submit, send);
589 		correct_endian_cmd_unlink(&pdu->u.cmd_unlink, send);
592 		correct_endian_ret_unlink(&pdu->u.ret_unlink, send);