static void data_bridge_write_cb(struct urb *urb)
{
struct sk_buff *skb = urb->context;
struct timestamp_info *info = (struct timestamp_info *)skb->cb;
struct data_bridge *dev = info->dev;
struct bridge *brdg = dev->brdg;
int pending;
pr_debug("%s: dev:%p\n", __func__, dev);
switch (urb->status) {
case 0: /*success*/
dev->to_modem++;
dev->tx_num_of_bytes += skb->len;
dbg_timestamp("UL", skb);
break;
case -EPROTO:
dev->err = -EPROTO;
break;
case -EPIPE:
set_bit(TX_HALT, &dev->flags);
dev_err(&dev->intf->dev, "%s: epout halted\n", __func__);
schedule_work(&dev->kevent);
/* FALLTHROUGH */
case -ESHUTDOWN:
case -ENOENT: /* suspended */
case -ECONNRESET: /* unplug */
case -EOVERFLOW: /*babble error*/
/* FALLTHROUGH */
default:
pr_debug_ratelimited("%s: non zero urb status = %d\n",
__func__, urb->status);
}
usb_free_urb(urb);
dev_kfree_skb_any(skb);
pending = atomic_dec_return(&dev->pending_txurbs);
/*flow ctrl*/
if (brdg && fctrl_support && pending <= fctrl_dis_thld &&
test_and_clear_bit(TX_THROTTLED, &brdg->flags)) {
pr_debug_ratelimited("%s: disable flow ctrl: pend urbs:%u\n",
__func__, pending);
dev->tx_unthrottled_cnt++;
if (brdg->ops.unthrottle_tx)
brdg->ops.unthrottle_tx(brdg->ctx);
}
/* if we are here after device disconnect
* usb_unbind_interface() takes care of
* residual pm_autopm_get_interface_* calls
*/
if (urb->dev->state != USB_STATE_NOTATTACHED)
usb_autopm_put_interface_async(dev->intf);
}
static void data_bridge_write_cb(struct urb *urb)
{
struct sk_buff *skb = urb->context;
struct timestamp_info *info = (struct timestamp_info *)skb->cb;
struct data_bridge *dev = info->dev;
struct bridge *brdg = dev->brdg;
int pending;
pr_debug("%s: dev:%p\n", __func__, dev);
switch (urb->status) {
case 0:
dbg_timestamp("UL", skb);
break;
case -EPROTO:
dev->err = -EPROTO;
break;
case -EPIPE:
set_bit(TX_HALT, &dev->flags);
dev_err(&dev->intf->dev, "%s: epout halted\n", __func__);
schedule_work(&dev->kevent);
case -ESHUTDOWN:
case -ENOENT:
case -ECONNRESET:
case -EOVERFLOW:
default:
pr_debug_ratelimited("%s: non zero urb status = %d\n",
__func__, urb->status);
}
usb_free_urb(urb);
dev_kfree_skb_any(skb);
pending = atomic_dec_return(&dev->pending_txurbs);
if (brdg && fctrl_support && pending <= fctrl_dis_thld &&
test_and_clear_bit(TX_THROTTLED, &brdg->flags)) {
pr_debug_ratelimited("%s: disable flow ctrl: pend urbs:%u\n",
__func__, pending);
dev->tx_unthrottled_cnt++;
if (brdg->ops.unthrottle_tx)
brdg->ops.unthrottle_tx(brdg->ctx);
}
if (urb->dev->state != USB_STATE_NOTATTACHED)
usb_autopm_put_interface_async(dev->intf);
}
