C++ (Cpp) mt76u_submit_rx_buffers Examples

Example #1

File: usb.c Project: AlexShiLucky/linux

static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
{
	struct mt76x02_dev *dev = usb_get_intfdata(intf);
	struct mt76_usb *usb = &dev->mt76.usb;
	int err;

	reinit_completion(&usb->mcu.cmpl);
	err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
			       MT_EP_IN_CMD_RESP,
			       &usb->mcu.res, GFP_KERNEL,
			       mt76u_mcu_complete_urb,
			       &usb->mcu.cmpl);
	if (err < 0)
		goto err;

	err = mt76u_submit_rx_buffers(&dev->mt76);
	if (err < 0)
		goto err;

	tasklet_enable(&usb->rx_tasklet);
	tasklet_enable(&usb->tx_tasklet);

	err = mt76x2u_init_hardware(dev);
	if (err < 0)
		goto err;

	return 0;

err:
	mt76x2u_cleanup(dev);
	return err;
}

Example #2

File: usb.c Project: markus-oberhumer/linux

static int mt76u_alloc_rx(struct mt76_dev *dev)
{
	struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN];
	int i, err, nsgs;

	spin_lock_init(&q->rx_page_lock);
	spin_lock_init(&q->lock);
	q->entry = devm_kcalloc(dev->dev,
				MT_NUM_RX_ENTRIES, sizeof(*q->entry),
				GFP_KERNEL);
	if (!q->entry)
		return -ENOMEM;

	if (mt76u_check_sg(dev)) {
		q->buf_size = MT_RX_BUF_SIZE;
		nsgs = MT_SG_MAX_SIZE;
	} else {
		q->buf_size = PAGE_SIZE;
		nsgs = 1;
	}

	for (i = 0; i < MT_NUM_RX_ENTRIES; i++) {
		err = mt76u_buf_alloc(dev, &q->entry[i].ubuf,
				      nsgs, q->buf_size,
				      SKB_WITH_OVERHEAD(q->buf_size),
				      GFP_KERNEL);
		if (err < 0)
			return err;
	}
	q->ndesc = MT_NUM_RX_ENTRIES;

	return mt76u_submit_rx_buffers(dev);
}