static void
rx_iso_complete(struct urb *urb)
{
iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context;
usb_fifo *fifo = context_iso_urb->owner_fifo;
hfcusb_data *hfc = fifo->hfc;
int k, len, errcode, offset, num_isoc_packets, fifon, maxlen,
status;
unsigned int iso_status;
__u8 *buf;
static __u8 eof[8];
fifon = fifo->fifonum;
status = urb->status;
if (urb->status == -EOVERFLOW) {
DBG(HFCUSB_DBG_VERBOSE_USB,
"HFC-USB: ignoring USB DATAOVERRUN fifo(%i)", fifon);
status = 0;
}
/* ISO transfer only partially completed,
look at individual frame status for details */
if (status == -EXDEV) {
DBG(HFCUSB_DBG_VERBOSE_USB, "HFC-S USB: rx_iso_complete with -EXDEV "
"urb->status %d, fifonum %d\n",
status, fifon);
status = 0;
}
if (fifo->active && !status) {
num_isoc_packets = iso_packets[fifon];
maxlen = fifo->usb_packet_maxlen;
for (k = 0; k < num_isoc_packets; ++k) {
len = urb->iso_frame_desc[k].actual_length;
offset = urb->iso_frame_desc[k].offset;
buf = context_iso_urb->buffer + offset;
iso_status = urb->iso_frame_desc[k].status;
if (iso_status && !hfc->disc_flag)
DBG(HFCUSB_DBG_VERBOSE_USB,
"HFC-S USB: rx_iso_complete "
"ISO packet %i, status: %i\n",
k, iso_status);
if (fifon == HFCUSB_D_RX) {
DBG(HFCUSB_DBG_VERBOSE_USB,
"HFC-S USB: ISO-D-RX lst_urblen:%2d "
"act_urblen:%2d max-urblen:%2d EOF:0x%0x",
fifo->last_urblen, len, maxlen,
eof[5]);
DBG_PACKET(HFCUSB_DBG_VERBOSE_USB, buf, len);
}
if (fifo->last_urblen != maxlen) {
/* the threshold mask is in the 2nd status byte */
hfc->threshold_mask = buf[1];
/* care for L1 state only for D-Channel
to avoid overlapped iso completions */
if (fifon == HFCUSB_D_RX) {
/* the S0 state is in the upper half
of the 1st status byte */
s0_state_handler(hfc, buf[0] >> 4);
}
eof[fifon] = buf[0] & 1;
if (len > 2)
collect_rx_frame(fifo, buf + 2,
len - 2,
(len < maxlen) ?
eof[fifon] : 0);
} else {
static void
rx_iso_complete(struct urb *urb)
{
iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context;
usb_fifo *fifo = context_iso_urb->owner_fifo;
hfcusb_data *hfc = fifo->hfc;
int k, len, errcode, offset, num_isoc_packets, fifon, maxlen,
status;
unsigned int iso_status;
__u8 *buf;
static __u8 eof[8];
#ifdef CONFIG_HISAX_DEBUG
__u8 i;
#endif
fifon = fifo->fifonum;
status = urb->status;
if (urb->status == -EOVERFLOW) {
#ifdef CONFIG_HISAX_DEBUG
DBG(USB_DBG,
"HFC-USB: ignoring USB DATAOVERRUN for fifo %i \n",
fifon);
#endif
status = 0;
}
if (fifo->active && !status) {
num_isoc_packets = iso_packets[fifon];
maxlen = fifo->usb_packet_maxlen;
for (k = 0; k < num_isoc_packets; ++k) {
len = urb->iso_frame_desc[k].actual_length;
offset = urb->iso_frame_desc[k].offset;
buf = context_iso_urb->buffer + offset;
iso_status = urb->iso_frame_desc[k].status;
#ifdef CONFIG_HISAX_DEBUG
if (iso_status && !hfc->disc_flag)
DBG(USB_DBG,
"HFC-S USB: ISO packet failure - status:%x",
iso_status);
if ((fifon == 5) && (debug > 1)) {
printk(KERN_INFO
"HFC-S USB: ISO-D-RX lst_urblen:%2d "
"act_urblen:%2d max-urblen:%2d "
"EOF:0x%0x DATA: ",
fifo->last_urblen, len, maxlen,
eof[5]);
for (i = 0; i < len; i++)
printk("%.2x ", buf[i]);
printk("\n");
}
#endif
if (fifo->last_urblen != maxlen) {
/* the threshold mask is in the 2nd status byte */
hfc->threshold_mask = buf[1];
/* care for L1 state only for D-Channel
to avoid overlapped iso completions */
if (fifon == 5) {
/* the S0 state is in the upper half
of the 1st status byte */
state_handler(hfc, buf[0] >> 4);
}
eof[fifon] = buf[0] & 1;
if (len > 2)
collect_rx_frame(fifo, buf + 2,
len - 2,
(len <
maxlen) ?
eof[fifon] : 0);
} else {
