netdev - [PATCH/RFC net-next 1/9] net: switchdev: add SET_SWITCHDEV

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Date:   Wed, 28 Jun 2017 01:21:41 +0200
From:   Simon Horman <simon.horman@...ronome.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        Simon Horman <simon.horman@...ronome.com>
Subject: [PATCH/RFC net-next 1/9] net: switchdev: add SET_SWITCHDEV_OPS helper

Add a helper to allow switchdev ops to be set if NET_SWITCHDEV is configured
and do nothing otherwise. This allows for slightly cleaner code which
uses switchdev but does not select NET_SWITCHDEV.

Signed-off-by: Simon Horman <simon.horman@...ronome.com>
---
 include/net/switchdev.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index c784a6ac6ef1..8ae9e3b6392e 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -217,6 +217,8 @@ void switchdev_port_fwd_mark_set(struct net_device *dev,
 
 bool switchdev_port_same_parent_id(struct net_device *a,
 				   struct net_device *b);
+
+#define SWITCHDEV_SET_OPS(netdev, ops) ((netdev)->switchdev_ops = (ops))
 #else
 
 static inline void switchdev_deferred_process(void)
@@ -322,6 +324,8 @@ static inline bool switchdev_port_same_parent_id(struct net_device *a,
 	return false;
 }
 
+#define SWITCHDEV_SET_OPS(netdev, ops) do {} while (0)
+
 #endif
 
 #endif /* _LINUX_SWITCHDEV_H_ */
-- 
2.1.4