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Commit f3ada640 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

ieee802154: add cfg802154_registered_device list 



This patch adds a new cfg802154_rdev_list to remember all registered
cfg802154_registered_device structs. This is needed to prepare the
upcomming nl802154 framework.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent f601379f

net/ieee802154/core.c

+44 −1
Original line number Diff line number Diff line
@@ -18,11 +18,16 @@ 
#include <linux/device.h>



#include <net/cfg802154.h>

#include <net/rtnetlink.h>



#include "ieee802154.h"

#include "sysfs.h"

#include "core.h"



/* RCU-protected (and RTNL for writers) */

static LIST_HEAD(cfg802154_rdev_list);

static int cfg802154_rdev_list_generation;



static int wpan_phy_match(struct device *dev, const void *data)

{

	return !strcmp(dev_name(dev), (const char *)data);
@@ -109,13 +114,51 @@ EXPORT_SYMBOL(wpan_phy_new); 


int wpan_phy_register(struct wpan_phy *phy)

{

	return device_add(&phy->dev);

	struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(phy);

	int ret;



	rtnl_lock();

	ret = device_add(&phy->dev);

	if (ret) {

		rtnl_unlock();

		return ret;

	}



	list_add_rcu(&rdev->list, &cfg802154_rdev_list);

	cfg802154_rdev_list_generation++;



	/* TODO phy registered lock */

	rtnl_unlock();



	/* TODO nl802154 phy notify */



	return 0;

}

EXPORT_SYMBOL(wpan_phy_register);



void wpan_phy_unregister(struct wpan_phy *phy)

{

	struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(phy);



	/* TODO open count */



	rtnl_lock();

	/* TODO nl802154 phy notify */

	/* TODO phy registered lock */



	/* TODO WARN_ON wpan_dev_list */



	/* First remove the hardware from everywhere, this makes

	 * it impossible to find from userspace.

	 */

	list_del_rcu(&rdev->list);

	synchronize_rcu();



	cfg802154_rdev_list_generation++;



	device_del(&phy->dev);



	rtnl_unlock();

}

EXPORT_SYMBOL(wpan_phy_unregister);

net/ieee802154/core.h

+1 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 


struct cfg802154_registered_device {

	const struct cfg802154_ops *ops;

	struct list_head list;



	/* wpan_phy index, internal only */

	int wpan_phy_idx;