Commit 7fa857ed authored Apr 28, 2014 by Florian Fainelli Committed by David S. Miller Apr 30, 2014

net: dsa: add ds_to_priv



DSA drivers have a trick which consists in allocating "priv_size" more
bytes to account for the DSA driver private context. Add a helper
function to access that private context instead of open-coding it in
drivers with (void *)(ds + 1).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ed036f80

include/net/dsa.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -181,6 +181,11 @@ struct dsa_switch_driver {
		void register_switch_driver(struct dsa_switch_driver *type);
		void unregister_switch_driver(struct dsa_switch_driver *type);

		static inline void ds_to_priv(struct dsa_switch ds)
		{
		return (void *)(ds + 1);
		}

		/*
		* The original DSA tag format and some other tag formats have no
		* ethertype, which means that we need to add a little hack to the