From 3171d026291d08c2a4cfe06302ce308b09605c4b Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Mon, 27 Sep 2010 08:24:49 +0000 Subject: [PATCH] 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: Ben Hutchings Signed-off-by: David S. Miller --- include/linux/netdevice.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index b15732e22eee..c2bec990bd17 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -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. -- 2.30.2