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Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +04001/*
2 * Copyright (C) 2007, 2008, 2009 Siemens AG
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 *
17 * Written by:
18 * Dmitry Eremin-Solenikov <[email protected]>
19 */
20
21#ifndef WPAN_PHY_H
22#define WPAN_PHY_H
23
24#include <linux/netdevice.h>
25#include <linux/mutex.h>
Paul Gortmaker187f1882011-11-23 20:12:59 -050026#include <linux/bug.h>
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040027
[email protected]06060692012-05-15 20:50:29 +000028/* According to the IEEE 802.15.4 stadard the upper most significant bits of
29 * the 32-bit channel bitmaps shall be used as an integer value to specify 32
30 * possible channel pages. The lower 27 bits of the channel bit map shall be
31 * used as a bit mask to specify channel numbers within a channel page.
32 */
33#define WPAN_NUM_CHANNELS 27
34#define WPAN_NUM_PAGES 32
35
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040036struct wpan_phy {
37 struct mutex pib_lock;
38
39 /*
Phoebe Buckheister9b2777d62014-02-17 11:34:08 +010040 * This is a PIB according to 802.15.4-2011.
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040041 * We do not provide timing-related variables, as they
42 * aren't used outside of driver
43 */
44 u8 current_channel;
45 u8 current_page;
Dmitry Eremin-Solenikova0b4a732009-09-22 15:26:48 +040046 u32 channels_supported[32];
Phoebe Buckheister9b2777d62014-02-17 11:34:08 +010047 s8 transmit_power;
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040048 u8 cca_mode;
49
Phoebe Buckheister84dda3c2014-02-17 11:34:10 +010050 bool lbt;
51
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040052 struct device dev;
53 int idx;
54
Dmitry Eremin-Solenikovbb1cafb2009-11-05 16:56:23 +030055 struct net_device *(*add_iface)(struct wpan_phy *phy,
[email protected]90c049b22012-05-15 20:50:27 +000056 const char *name, int type);
Dmitry Eremin-Solenikovbb1cafb2009-11-05 16:56:23 +030057 void (*del_iface)(struct wpan_phy *phy, struct net_device *dev);
58
Phoebe Buckheister9b2777d62014-02-17 11:34:08 +010059 int (*set_txpower)(struct wpan_phy *phy, int db);
Phoebe Buckheister84dda3c2014-02-17 11:34:10 +010060 int (*set_lbt)(struct wpan_phy *phy, bool on);
Phoebe Buckheister9b2777d62014-02-17 11:34:08 +010061
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040062 char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
63};
64
Dmitry Eremin-Solenikov42723442009-11-04 17:53:23 +030065#define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
66
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040067struct wpan_phy *wpan_phy_alloc(size_t priv_size);
Dmitry Eremin-Solenikove9cf3562009-09-28 19:01:20 +040068static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
69{
70 phy->dev.parent = dev;
71}
72int wpan_phy_register(struct wpan_phy *phy);
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040073void wpan_phy_unregister(struct wpan_phy *phy);
74void wpan_phy_free(struct wpan_phy *phy);
Dmitry Eremin-Solenikov1c889f42009-09-15 16:57:04 +040075/* Same semantics as for class_for_each_device */
76int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040077
78static inline void *wpan_phy_priv(struct wpan_phy *phy)
79{
80 BUG_ON(!phy);
81 return &phy->priv;
82}
83
84struct wpan_phy *wpan_phy_find(const char *str);
Dmitry Eremin-Solenikov69d9ab92009-09-14 18:11:03 +040085
86static inline void wpan_phy_put(struct wpan_phy *phy)
87{
88 put_device(&phy->dev);
89}
90
Dmitry Eremin-Solenikov2bfb1072009-08-14 16:13:12 +040091static inline const char *wpan_phy_name(struct wpan_phy *phy)
92{
93 return dev_name(&phy->dev);
94}
95#endif