static void mon_text_error(void *data, struct urb *urb, int error)
{
struct mon_reader_text *rp = data;
struct mon_event_text *ep;
if (rp->nevents >= EVENT_MAX ||
(ep = kmem_cache_alloc(rp->e_slab, GFP_ATOMIC)) == NULL) {
rp->r.m_bus->cnt_text_lost++;
return;
}
ep->type = 'E';
ep->id = (unsigned long) urb;
ep->busnum = urb->dev->bus->busnum;
ep->devnum = urb->dev->devnum;
ep->epnum = usb_endpoint_num(&urb->ep->desc);
ep->xfertype = usb_endpoint_type(&urb->ep->desc);
ep->is_in = usb_urb_dir_in(urb);
ep->tstamp = mon_get_timestamp();
ep->length = 0;
ep->status = error;
ep->setup_flag = '-';
ep->data_flag = 'E';
rp->nevents++;
list_add_tail(&ep->e_link, &rp->e_list);
wake_up(&rp->wait);
}
static void mon_text_event(struct mon_reader_text *rp, struct urb *urb,
char ev_type)
{
struct mon_event_text *ep;
unsigned int stamp;
stamp = mon_get_timestamp();
if (rp->nevents >= EVENT_MAX ||
(ep = kmem_cache_alloc(rp->e_slab, SLAB_ATOMIC)) == NULL) {
rp->r.m_bus->cnt_text_lost++;
return;
}
ep->type = ev_type;
ep->pipe = urb->pipe;
ep->id = (unsigned long) urb;
ep->tstamp = stamp;
ep->length = (ev_type == 'S') ?
urb->transfer_buffer_length : urb->actual_length;
/* Collecting status makes debugging sense for submits, too */
ep->status = urb->status;
ep->setup_flag = mon_text_get_setup(ep, urb, ev_type);
ep->data_flag = mon_text_get_data(ep, urb, ep->length, ev_type);
rp->nevents++;
list_add_tail(&ep->e_link, &rp->e_list);
wake_up(&rp->wait);
}
static void mon_text_event(struct mon_reader_text *rp, struct urb *urb,
char ev_type, int status)
{
struct mon_event_text *ep;
unsigned int stamp;
struct usb_iso_packet_descriptor *fp;
struct mon_iso_desc *dp;
int i, ndesc;
stamp = mon_get_timestamp();
if (rp->nevents >= EVENT_MAX ||
(ep = kmem_cache_alloc(rp->e_slab, GFP_ATOMIC)) == NULL) {
rp->r.m_bus->cnt_text_lost++;
return;
}
ep->type = ev_type;
ep->id = (unsigned long) urb;
ep->busnum = urb->dev->bus->busnum;
ep->devnum = urb->dev->devnum;
ep->epnum = usb_endpoint_num(&urb->ep->desc);
ep->xfertype = usb_endpoint_type(&urb->ep->desc);
ep->is_in = usb_urb_dir_in(urb);
ep->tstamp = stamp;
ep->length = (ev_type == 'S') ?
urb->transfer_buffer_length : urb->actual_length;
/* Collecting status makes debugging sense for submits, too */
ep->status = status;
if (ep->xfertype == USB_ENDPOINT_XFER_INT) {
ep->interval = urb->interval;
} else if (ep->xfertype == USB_ENDPOINT_XFER_ISOC) {
ep->interval = urb->interval;
ep->start_frame = urb->start_frame;
ep->error_count = urb->error_count;
}
ep->numdesc = urb->number_of_packets;
if (ep->xfertype == USB_ENDPOINT_XFER_ISOC &&
urb->number_of_packets > 0) {
if ((ndesc = urb->number_of_packets) > ISODESC_MAX)
ndesc = ISODESC_MAX;
fp = urb->iso_frame_desc;
dp = ep->isodesc;
for (i = 0; i < ndesc; i++) {
dp->status = fp->status;
dp->offset = fp->offset;
dp->length = (ev_type == 'S') ?
fp->length : fp->actual_length;
fp++;
dp++;
}
/* Wasteful, but simple to understand: ISO 'C' is sparse. */
if (ev_type == 'C')
ep->length = urb->transfer_buffer_length;
}
ep->setup_flag = mon_text_get_setup(ep, urb, ev_type, rp->r.m_bus);
ep->data_flag = mon_text_get_data(ep, urb, ep->length, ev_type,
rp->r.m_bus);
rp->nevents++;
list_add_tail(&ep->e_link, &rp->e_list);
wake_up(&rp->wait);
}