515 				const struct gs_host_frame *hf)  in gs_usb_set_timestamp()  argument
519 	if (hf->flags & GS_CAN_FLAG_FD)  in gs_usb_set_timestamp()
520 		timestamp = le32_to_cpu(hf->canfd_ts->timestamp_us);  in gs_usb_set_timestamp()
522 		timestamp = le32_to_cpu(hf->classic_can_ts->timestamp_us);  in gs_usb_set_timestamp()
531 			      const struct gs_host_frame *hf)  in gs_usb_rx_offload()  argument
537 		const u32 ts = gs_usb_set_timestamp(dev, skb, hf);  in gs_usb_rx_offload()
550 		    const struct gs_host_frame *hf)  in gs_usb_get_echo_skb()  argument
553 	const u32 echo_id = hf->echo_id;  in gs_usb_get_echo_skb()
557 		const u32 ts = gs_usb_set_timestamp(dev, skb, hf);  in gs_usb_get_echo_skb()
576 	struct gs_host_frame *hf = urb->transfer_buffer;  in gs_usb_receive_bulk_callback()  local
596 	if (hf->channel >= GS_MAX_INTF)  in gs_usb_receive_bulk_callback()
599 	dev = parent->canch[hf->channel];  in gs_usb_receive_bulk_callback()
610 	if (hf->echo_id == -1) { /* normal rx */  in gs_usb_receive_bulk_callback()
611 		if (hf->flags & GS_CAN_FLAG_FD) {  in gs_usb_receive_bulk_callback()
616 			cfd->can_id = le32_to_cpu(hf->can_id);  in gs_usb_receive_bulk_callback()
617 			cfd->len = can_fd_dlc2len(hf->can_dlc);  in gs_usb_receive_bulk_callback()
618 			if (hf->flags & GS_CAN_FLAG_BRS)  in gs_usb_receive_bulk_callback()
620 			if (hf->flags & GS_CAN_FLAG_ESI)  in gs_usb_receive_bulk_callback()
623 			memcpy(cfd->data, hf->canfd->data, cfd->len);  in gs_usb_receive_bulk_callback()
629 			cf->can_id = le32_to_cpu(hf->can_id);  in gs_usb_receive_bulk_callback()
630 			can_frame_set_cc_len(cf, hf->can_dlc, dev->can.ctrlmode);  in gs_usb_receive_bulk_callback()
632 			memcpy(cf->data, hf->classic_can->data, 8);  in gs_usb_receive_bulk_callback()
635 			if (le32_to_cpu(hf->can_id) & CAN_ERR_FLAG)  in gs_usb_receive_bulk_callback()
639 		gs_usb_rx_offload(dev, skb, hf);  in gs_usb_receive_bulk_callback()
641 		if (hf->echo_id >= GS_MAX_TX_URBS) {  in gs_usb_receive_bulk_callback()
644 				   hf->echo_id);  in gs_usb_receive_bulk_callback()
648 		txc = gs_get_tx_context(dev, hf->echo_id);  in gs_usb_receive_bulk_callback()
654 				   hf->echo_id);  in gs_usb_receive_bulk_callback()
658 		skb = dev->can.echo_skb[hf->echo_id];  in gs_usb_receive_bulk_callback()
660 		stats->tx_bytes += gs_usb_get_echo_skb(dev, skb, hf);  in gs_usb_receive_bulk_callback()
668 	if (hf->flags & GS_CAN_FLAG_OVERFLOW) {  in gs_usb_receive_bulk_callback()
680 		gs_usb_rx_offload(dev, skb, hf);  in gs_usb_receive_bulk_callback()
688 			  hf, dev->parent->hf_size_rx,  in gs_usb_receive_bulk_callback()
761 	struct gs_host_frame *hf;  in gs_can_start_xmit()  local
781 	hf = kmalloc(dev->hf_size_tx, GFP_ATOMIC);  in gs_can_start_xmit()
782 	if (!hf)  in gs_can_start_xmit()
792 	hf->echo_id = idx;  in gs_can_start_xmit()
793 	hf->channel = dev->channel;  in gs_can_start_xmit()
794 	hf->flags = 0;  in gs_can_start_xmit()
795 	hf->reserved = 0;  in gs_can_start_xmit()
800 		hf->can_id = cpu_to_le32(cfd->can_id);  in gs_can_start_xmit()
801 		hf->can_dlc = can_fd_len2dlc(cfd->len);  in gs_can_start_xmit()
802 		hf->flags |= GS_CAN_FLAG_FD;  in gs_can_start_xmit()
804 			hf->flags |= GS_CAN_FLAG_BRS;  in gs_can_start_xmit()
806 			hf->flags |= GS_CAN_FLAG_ESI;  in gs_can_start_xmit()
808 		memcpy(hf->canfd->data, cfd->data, cfd->len);  in gs_can_start_xmit()
812 		hf->can_id = cpu_to_le32(cf->can_id);  in gs_can_start_xmit()
813 		hf->can_dlc = can_get_cc_dlc(cf, dev->can.ctrlmode);  in gs_can_start_xmit()
815 		memcpy(hf->classic_can->data, cf->data, cf->len);  in gs_can_start_xmit()
820 			  hf, dev->hf_size_tx,  in gs_can_start_xmit()
857 	kfree(hf);  in gs_can_start_xmit()
875 	struct gs_host_frame *hf;  in gs_can_open()  local
888 			dev->hf_size_tx = struct_size(hf, canfd_quirk, 1);  in gs_can_open()
890 			dev->hf_size_tx = struct_size(hf, canfd, 1);  in gs_can_open()
893 			dev->hf_size_tx = struct_size(hf, classic_can_quirk, 1);  in gs_can_open()
895 			dev->hf_size_tx = struct_size(hf, classic_can, 1);  in gs_can_open()
1413 	struct gs_host_frame *hf;  in gs_usb_probe()  local
1490 				hf_size_rx = struct_size(hf, canfd_ts, 1);  in gs_usb_probe()
1492 				hf_size_rx = struct_size(hf, canfd, 1);  in gs_usb_probe()
1495 				hf_size_rx = struct_size(hf, classic_can_ts, 1);  in gs_usb_probe()
1497 				hf_size_rx = struct_size(hf, classic_can, 1);  in gs_usb_probe()