Commit bdc6fe5b authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

dsa: Keep link list of tag drivers 



Let the tag drivers register themselves with the DSA core, keeping
them in a linked list.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>

v2

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d3b8c049

net/dsa/dsa.c

+28 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ 


#include "dsa_priv.h"



static LIST_HEAD(dsa_tag_drivers_list);

static DEFINE_MUTEX(dsa_tag_drivers_lock);



static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb,

					    struct net_device *dev)

{
@@ -76,15 +79,40 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { 
	[DSA_TAG_PROTO_NONE] = &none_ops,

};



static void dsa_tag_driver_register(struct dsa_tag_driver *dsa_tag_driver,

				    struct module *owner)

{

	dsa_tag_driver->owner = owner;



	mutex_lock(&dsa_tag_drivers_lock);

	list_add_tail(&dsa_tag_driver->list, &dsa_tag_drivers_list);

	mutex_unlock(&dsa_tag_drivers_lock);

}



void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[],

			      unsigned int count, struct module *owner)

{

	unsigned int i;



	for (i = 0; i < count; i++)

		dsa_tag_driver_register(dsa_tag_driver_array[i], owner);

}



static void dsa_tag_driver_unregister(struct dsa_tag_driver *dsa_tag_driver)

{

	mutex_lock(&dsa_tag_drivers_lock);

	list_del(&dsa_tag_driver->list);

	mutex_unlock(&dsa_tag_drivers_lock);

}

EXPORT_SYMBOL_GPL(dsa_tag_drivers_register);



void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[],

				unsigned int count)

{

	unsigned int i;



	for (i = 0; i < count; i++)

		dsa_tag_driver_unregister(dsa_tag_driver_array[i]);

}

EXPORT_SYMBOL_GPL(dsa_tag_drivers_unregister);