static void carl9170_usb_rx_irq_complete(struct urb *urb)
{
struct ar9170 *ar = urb->context;
if (WARN_ON_ONCE(!ar))
return;
switch (urb->status) {
/* everything is fine */
case 0:
break;
/* disconnect */
case -ENOENT:
case -ECONNRESET:
case -ENODEV:
case -ESHUTDOWN:
return;
default:
goto resubmit;
}
carl9170_handle_command_response(ar, urb->transfer_buffer,
urb->actual_length);
resubmit:
usb_anchor_urb(urb, &ar->rx_anch);
if (unlikely(usb_submit_urb(urb, GFP_ATOMIC)))
usb_unanchor_urb(urb);
}
static void carl9170_rx_untie_cmds(struct ar9170 *ar, const u8 *respbuf,
const unsigned int resplen)
{
struct carl9170_rsp *cmd;
int i = 0;
while (i < resplen) {
cmd = (void *) &respbuf[i];
i += cmd->hdr.len + 4;
if (unlikely(i > resplen))
break;
carl9170_handle_command_response(ar, cmd, cmd->hdr.len + 4);
}
if (unlikely(i != resplen)) {
if (!net_ratelimit())
return;
wiphy_err(ar->hw->wiphy, "malformed firmware trap:\n");
print_hex_dump_bytes("rxcmd:", DUMP_PREFIX_OFFSET,
respbuf, resplen);
}
}
static void carl9170_usb_rx_irq_complete(struct urb *urb)
{
struct ar9170 *ar = urb->context;
if (WARN_ON_ONCE(!ar))
return;
switch (urb->status) {
/* everything is fine */
case 0:
break;
/* disconnect */
case -ENOENT:
case -ECONNRESET:
case -ENODEV:
case -ESHUTDOWN:
return;
default:
goto resubmit;
}
/*
* While the carl9170 firmware does not use this EP, the
* firmware loader in the EEPROM unfortunately does.
* Therefore we need to be ready to handle out-of-band
* responses and traps in case the firmware crashed and
* the loader took over again.
*/
carl9170_handle_command_response(ar, urb->transfer_buffer,
urb->actual_length);
resubmit:
usb_anchor_urb(urb, &ar->rx_anch);
if (unlikely(usb_submit_urb(urb, GFP_ATOMIC)))
usb_unanchor_urb(urb);
}
