usb-redir: Allow packets to have both data and an error-status
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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@ -521,22 +521,16 @@ static void usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p,
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isop->status, isop->len, dev->endpoint[EP2I(ep)].bufpq_size);
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status = isop->status;
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if (status != usb_redir_success) {
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bufp_free(dev, isop, ep);
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p->status = USB_RET_IOERROR;
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return;
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}
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len = isop->len;
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if (len > p->iov.size) {
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ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
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ep, len, (int)p->iov.size);
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bufp_free(dev, isop, ep);
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p->status = USB_RET_BABBLE;
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return;
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len = p->iov.size;
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status = usb_redir_babble;
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}
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usb_packet_copy(p, isop->data, len);
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bufp_free(dev, isop, ep);
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usbredir_handle_status(dev, p, status);
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} else {
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/* If the stream was not started because of a pending error don't
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send the packet to the usb-host */
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@ -656,21 +650,15 @@ static void usbredir_handle_interrupt_data(USBRedirDevice *dev,
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intp->status, intp->len);
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status = intp->status;
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if (status != usb_redir_success) {
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bufp_free(dev, intp, ep);
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usbredir_handle_status(dev, p, status);
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return;
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}
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len = intp->len;
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if (len > p->iov.size) {
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ERROR("received int data is larger then packet ep %02X\n", ep);
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bufp_free(dev, intp, ep);
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p->status = USB_RET_BABBLE;
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return;
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len = p->iov.size;
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status = usb_redir_babble;
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}
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usb_packet_copy(p, intp->data, len);
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bufp_free(dev, intp, ep);
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usbredir_handle_status(dev, p, status);
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} else {
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/* Output interrupt endpoint, normal async operation */
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struct usb_redir_interrupt_packet_header interrupt_packet;
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@ -1542,16 +1530,15 @@ static void usbredir_control_packet(void *priv, uint64_t id,
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p = usbredir_find_packet_by_id(dev, 0, id);
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if (p) {
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usbredir_handle_status(dev, p, control_packet->status);
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if (p->status == USB_RET_SUCCESS) {
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if (data_len > 0) {
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usbredir_log_data(dev, "ctrl data in:", data, data_len);
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if (data_len <= sizeof(dev->dev.data_buf)) {
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memcpy(dev->dev.data_buf, data, data_len);
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} else {
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if (data_len > sizeof(dev->dev.data_buf)) {
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ERROR("ctrl buffer too small (%d > %zu)\n",
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data_len, sizeof(dev->dev.data_buf));
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p->status = USB_RET_STALL;
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len = 0;
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data_len = len = sizeof(dev->dev.data_buf);
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}
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memcpy(dev->dev.data_buf, data, data_len);
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}
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p->actual_length = len;
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usb_generic_async_ctrl_complete(&dev->dev, p);
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@ -1575,20 +1562,19 @@ static void usbredir_bulk_packet(void *priv, uint64_t id,
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if (p) {
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size_t size = (p->combined) ? p->combined->iov.size : p->iov.size;
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usbredir_handle_status(dev, p, bulk_packet->status);
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if (p->status == USB_RET_SUCCESS) {
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if (data_len > 0) {
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usbredir_log_data(dev, "bulk data in:", data, data_len);
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if (data_len <= size) {
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if (p->combined) {
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iov_from_buf(p->combined->iov.iov, p->combined->iov.niov,
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0, data, data_len);
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} else {
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usb_packet_copy(p, data, data_len);
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}
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} else {
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if (data_len > size) {
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ERROR("bulk got more data then requested (%d > %zd)\n",
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data_len, p->iov.size);
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p->status = USB_RET_BABBLE;
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len = 0;
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data_len = len = size;
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}
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if (p->combined) {
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iov_from_buf(p->combined->iov.iov, p->combined->iov.niov,
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0, data, data_len);
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} else {
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usb_packet_copy(p, data, data_len);
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}
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}
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p->actual_length = len;
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@ -1653,12 +1639,10 @@ static void usbredir_interrupt_packet(void *priv, uint64_t id,
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/* bufp_alloc also adds the packet to the ep queue */
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bufp_alloc(dev, data, data_len, interrupt_packet->status, ep);
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} else {
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int len = interrupt_packet->length;
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USBPacket *p = usbredir_find_packet_by_id(dev, ep, id);
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if (p) {
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usbredir_handle_status(dev, p, interrupt_packet->status);
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p->actual_length = len;
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p->actual_length = interrupt_packet->length;
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usb_packet_complete(&dev->dev, p);
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}
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}
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