/* get stub_device */
if (!sdev) {
dev_err(&interface->dev, "could not get device");
- /* BUG(); */
return;
}
usb_set_intfdata(interface, NULL);
/*
- * NOTE:
- * rx/tx threads are invoked for each usb_device.
+ * NOTE: rx/tx threads are invoked for each usb_device.
*/
stub_remove_files(&interface->dev);
- /*If usb reset called from event handler*/
+ /* If usb reset is called from event handler */
if (busid_priv->sdev->ud.eh == current) {
busid_priv->interf_count--;
return;
busid_priv->interf_count = 0;
- /* 1. shutdown the current connection */
+ /* shutdown the current connection */
shutdown_busid(busid_priv);
usb_put_dev(sdev->udev);
usb_put_intf(interface);
- /* 3. free sdev */
+ /* free sdev */
busid_priv->sdev = NULL;
stub_device_free(sdev);
config, dev_name(&urb->dev->dev));
return 0;
- /* return usb_driver_set_configuration(urb->dev, config); */
}
static int tweak_reset_device_cmd(struct urb *urb)
return;
}
- /* set priv->urb->transfer_buffer */
+ /* allocate urb transfer buffer, if needed */
if (pdu->u.cmd_submit.transfer_buffer_length > 0) {
priv->urb->transfer_buffer =
kzalloc(pdu->u.cmd_submit.transfer_buffer_length,
}
}
- /* set priv->urb->setup_packet */
+ /* copy urb setup packet */
priv->urb->setup_packet = kmemdup(&pdu->u.cmd_submit.setup, 8,
GFP_KERNEL);
if (!priv->urb->setup_packet) {
* will be discussed when usbip is ported to other operating systems.
*/
if (pack) {
- /* vhci_tx.c */
spdu->transfer_flags =
tweak_transfer_flags(urb->transfer_flags);
spdu->transfer_buffer_length = urb->transfer_buffer_length;
spdu->number_of_packets = urb->number_of_packets;
spdu->interval = urb->interval;
} else {
- /* stub_rx.c */
urb->transfer_flags = spdu->transfer_flags;
-
urb->transfer_buffer_length = spdu->transfer_buffer_length;
urb->start_frame = spdu->start_frame;
urb->number_of_packets = spdu->number_of_packets;
struct usbip_header_ret_submit *rpdu = &pdu->u.ret_submit;
if (pack) {
- /* stub_tx.c */
-
rpdu->status = urb->status;
rpdu->actual_length = urb->actual_length;
rpdu->start_frame = urb->start_frame;
rpdu->number_of_packets = urb->number_of_packets;
rpdu->error_count = urb->error_count;
} else {
- /* vhci_rx.c */
-
urb->status = rpdu->status;
urb->actual_length = rpdu->actual_length;
urb->start_frame = rpdu->start_frame;
/* my Bluetooth dongle gets ISO URBs which are np = 0 */
if (np == 0) {
- /* pr_info("iso np == 0\n"); */
- /* usbip_dump_urb(urb); */
return 0;
}
/*
* if actual_length is transfer_buffer_length then no padding is
* present.
- */
+ */
if (urb->actual_length == urb->transfer_buffer_length)
return;
int size;
if (ud->side == USBIP_STUB) {
- /* stub_rx.c */
/* the direction of urb must be OUT. */
if (usb_pipein(urb->pipe))
return 0;
size = urb->transfer_buffer_length;
} else {
- /* vhci_rx.c */
/* the direction of urb must be IN. */
if (usb_pipeout(urb->pipe))
return 0;
break;
}
- /* spin_lock(&the_controller->vdev[rhport].ud.lock);
- * the_controller->vdev[rhport].ud.status = VDEV_CONNECT;
- * spin_unlock(&the_controller->vdev[rhport].ud.lock); */
-
spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
usbip_dbg_vhci_rh("rh_port_disconnect %d\n", rhport);
spin_lock_irqsave(&the_controller->lock, flags);
- /* stop_activity(dum, driver); */
+
the_controller->port_status[rhport] &= ~USB_PORT_STAT_CONNECTION;
the_controller->port_status[rhport] |=
(1 << USB_PORT_FEAT_C_CONNECTION);
- /* not yet complete the disconnection
- * spin_lock(&vdev->ud.lock);
- * vdev->ud.status = VHC_ST_DISCONNECT;
- * spin_unlock(&vdev->ud.lock); */
-
spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
}
return changed ? retval : 0;
}
-/* See hub_configure in hub.c */
static inline void hub_descriptor(struct usb_hub_descriptor *desc)
{
memset(desc, 0, sizeof(*desc));
usbip_dbg_vhci_rh(" ClearPortFeature: "
"USB_PORT_FEAT_POWER\n");
dum->port_status[rhport] = 0;
- /* dum->address = 0; */
- /* dum->hdev = 0; */
dum->resuming = 0;
break;
case USB_PORT_FEAT_C_RESET:
retval = -EPIPE;
}
- /* we do no care of resume. */
+ /* we do not care about resume. */
/* whoever resets or resumes must GetPortStatus to
* complete it!!
- * */
+ */
if (dum->resuming && time_after(jiffies, dum->re_timeout)) {
dum->port_status[rhport] |=
(1 << USB_PORT_FEAT_C_SUSPEND);
~(1 << USB_PORT_FEAT_SUSPEND);
dum->resuming = 0;
dum->re_timeout = 0;
- /* if (dum->driver && dum->driver->resume) {
- * spin_unlock (&dum->lock);
- * dum->driver->resume (&dum->gadget);
- * spin_lock (&dum->lock);
- * } */
}
if ((dum->port_status[rhport] & (1 << USB_PORT_FEAT_RESET)) !=
default:
pr_err("default: no such request\n");
- /* dev_dbg (hardware,
- * "hub control req%04x v%04x i%04x l%d\n",
- * typeReq, wValue, wIndex, wLength); */
/* "protocol stall" on error */
retval = -EPIPE;
if (!vdev) {
pr_err("could not get virtual device");
- /* BUG(); */
return;
}
kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
}
- /* kill threads related to this sdev, if v.c. exists */
+ /* kill threads related to this sdev */
if (vdev->ud.tcp_rx) {
kthread_stop_put(vdev->ud.tcp_rx);
vdev->ud.tcp_rx = NULL;
dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__);
spin_lock_irq(&vhci->lock);
- /* vhci->rh_state = DUMMY_RH_SUSPENDED;
- * set_link_state(vhci); */
hcd->state = HC_STATE_SUSPENDED;
spin_unlock_irq(&vhci->lock);
if (!HCD_HW_ACCESSIBLE(hcd)) {
rc = -ESHUTDOWN;
} else {
- /* vhci->rh_state = DUMMY_RH_RUNNING;
- * set_link_state(vhci);
- * if (!list_empty(&vhci->urbp_list))
- * mod_timer(&vhci->timer, jiffies); */
hcd->state = HC_STATE_RUNNING;
}
spin_unlock_irq(&vhci->lock);
.name = (char *) driver_name,
.id = -1,
.dev = {
- /* .driver = &vhci_driver, */
.release = the_pdev_release,
},
};