linux-kernel - Re: [PATCH] netronome: don't access real_num_rx

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Message-Id: <20161116.170605.1685419597650175744.davem@davemloft.net>
Date:   Wed, 16 Nov 2016 17:06:05 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     jakub.kicinski@...ronome.com, rolf.neugebauer@...ronome.com,
        oss-drivers@...ronome.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netronome: don't access real_num_rx_queues directly

From: Arnd Bergmann <arnd@...db.de>
Date: Wed, 16 Nov 2016 15:10:49 +0100

> The netdev->real_num_rx_queues setting is only available if CONFIG_SYSFS
> is enabled, so we now get a build failure when that is turned off:
> 
> netronome/nfp/nfp_net_common.c: In function 'nfp_net_ring_swap_enable':
> netronome/nfp/nfp_net_common.c:2489:18: error: 'struct net_device' has no member named 'real_num_rx_queues'; did you mean 'real_num_tx_queues'?
> 
> As far as I can tell, the check here is only used as an optimization that
> we can skip in order to fix the compilation. If sysfs is disabled,
> the following netif_set_real_num_rx_queues() has no effect.
> 
> Fixes: 164d1e9e5d52 ("nfp: add support for ethtool .set_channels")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thanks.