1/* This program is free software; you can redistribute it and/or modify
2 * it under the terms of the GNU General Public License version 2
3 * as published by the Free Software Foundation.
4 *
5 * This program is distributed in the hope that it will be useful,
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
8 * GNU General Public License for more details.
9 *
10 * Authors:
11 * Alexander Aring <aar@pengutronix.de>
12 *
13 * Based on: net/wireless/sysfs.c
14 */
15
16#include <linux/device.h>
17
18#include <net/cfg802154.h>
19
20#include "core.h"
21#include "sysfs.h"
22
23static inline struct cfg802154_registered_device *
24dev_to_rdev(struct device *dev)
25{
26	return container_of(dev, struct cfg802154_registered_device,
27			    wpan_phy.dev);
28}
29
30#define SHOW_FMT(name, fmt, member)					\
31static ssize_t name ## _show(struct device *dev,			\
32			     struct device_attribute *attr,		\
33			     char *buf)					\
34{									\
35	return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member);	\
36}									\
37static DEVICE_ATTR_RO(name)
38
39SHOW_FMT(index, "%d", wpan_phy_idx);
40
41static ssize_t name_show(struct device *dev,
42			 struct device_attribute *attr,
43			 char *buf)
44{
45	struct wpan_phy *wpan_phy = &dev_to_rdev(dev)->wpan_phy;
46
47	return sprintf(buf, "%s\n", dev_name(&wpan_phy->dev));
48}
49static DEVICE_ATTR_RO(name);
50
51static void wpan_phy_release(struct device *dev)
52{
53	struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
54
55	cfg802154_dev_free(rdev);
56}
57
58static struct attribute *pmib_attrs[] = {
59	&dev_attr_index.attr,
60	&dev_attr_name.attr,
61	NULL,
62};
63ATTRIBUTE_GROUPS(pmib);
64
65struct class wpan_phy_class = {
66	.name = "ieee802154",
67	.dev_release = wpan_phy_release,
68	.dev_groups = pmib_groups,
69};
70
71int wpan_phy_sysfs_init(void)
72{
73	return class_register(&wpan_phy_class);
74}
75
76void wpan_phy_sysfs_exit(void)
77{
78	class_unregister(&wpan_phy_class);
79}
80