From: Jakub Kicinski
Date: Mon, 12 Feb 2018 21:35:31 -0800
> netif_set_real_num_tx_queues() can be called when netdev is up.
> That usually happens when user requests change of number of
> channels/rings with ethtool -L. The procedure for changing
> the number of queues involves resetting the qd
netif_set_real_num_tx_queues() can be called when netdev is up.
That usually happens when user requests change of number of
channels/rings with ethtool -L. The procedure for changing
the number of queues involves resetting the qdiscs and setting
dev->num_tx_queues to the new value. When the new v