netdev - [PATCH 1/2] net: add dev_ethtool_set

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Message-Id: <1306257314-3925-2-git-send-email-nhorman@tuxdriver.com>
Date:	Tue, 24 May 2011 13:15:13 -0400
From:	Neil Horman <nhorman@...driver.com>
To:	netdev@...r.kernel.org
Cc:	Neil Horman <nhorman@...driver.com>, davem@...emloft.net
Subject: [PATCH 1/2] net: add dev_ethtool_set_flags helper

Add a helper to check for presence of a set_flags method in an ethtool_ops
structure and conditionally call it

Signed-off-by: Neil Horman <nhorman@...driver.com>
CC: davem@...emloft.net
---
 include/linux/netdevice.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ca333e7..243781c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2624,6 +2624,13 @@ static inline u32 dev_ethtool_get_flags(struct net_device *dev)
 	return dev->ethtool_ops->get_flags(dev);
 }
 
+static inline int dev_ethtool_set_flags(struct net_device *dev, u32 flags)
+{
+	if (!dev->ethtool_ops || !dev->ethtool_ops->set_flags)
+		return 0;
+	return dev->ethtool_ops->set_flags(dev, flags);
+}
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* netdev_printk helpers, similar to dev_printk */
-- 
1.7.5.1

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