From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: [PATCH net-next-2.6 02/17] net: Add netif_copy_real_num_queues() for use by virtual net drivers Date: Mon, 27 Sep 2010 19:24:49 +0100 Message-ID: <1285611889.2263.292.camel@achroite.uk.solarflarecom.com> References: <1285611791.2263.287.camel@achroite.uk.solarflarecom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-net-drivers@solarflare.com To: David Miller Return-path: Received: from exchange.solarflare.com ([216.237.3.220]:51050 "EHLO exchange.solarflare.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933177Ab0I0SYx (ORCPT ); Mon, 27 Sep 2010 14:24:53 -0400 In-Reply-To: <1285611791.2263.287.camel@achroite.uk.solarflarecom.com> Sender: netdev-owner@vger.kernel.org List-ID: This sets the active numbers of queues on a net device to match another. Signed-off-by: Ben Hutchings --- include/linux/netdevice.h | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index cf3d5a3..7fd39b3 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1698,6 +1698,18 @@ 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. -- 1.7.2.1 -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.