On Thu,  6 Jan 2022 20:36:08 -0800 Dimitris Michailidis wrote:

+	if (netif_running(netdev))
+		netdev->netdev_ops->ndo_stop(netdev);
+
+	old_tx = netdev->real_num_tx_queues;
+	old_rx = netdev->real_num_rx_queues;
+	set_ring_count(netdev, chan->tx_count, chan->rx_count);
+
+	if (netif_running(netdev)) {
+		rc = netdev->netdev_ops->ndo_open(netdev);
+		if (rc) {
+			set_ring_count(netdev, old_tx, old_rx);
+			netdev->netdev_ops->ndo_open(netdev);

Sorry, I wasn't clear - same story as with XDP - configuration changes
should not run at risk of having the machine drop off the network due
to temporary memory pressure.