Commit 3171d026 authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
Browse files

net: Add netif_copy_real_num_queues() for use by virtual net drivers 



This sets the active numbers of queues on a net device to match another.

Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 62fe0b40

include/linux/netdevice.h

+12 −0
Original line number Diff line number Diff line
@@ -1699,6 +1699,18 @@ static inline int netif_set_real_num_rx_queues(struct net_device *dev, 
}

#endif



static inline int netif_copy_real_num_queues(struct net_device *to_dev,

					     const struct net_device *from_dev)

{

	netif_set_real_num_tx_queues(to_dev, from_dev->real_num_tx_queues);

#ifdef CONFIG_RPS

	return netif_set_real_num_rx_queues(to_dev,

					    from_dev->real_num_rx_queues);

#else

	return 0;

#endif

}



/* Use this variant when it is known for sure that it

 * is executing from hardware interrupt context or with hardware interrupts

 * disabled.