1 /*
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 <dbaryshkov@gmail.com>
19 */
20
21 #ifndef WPAN_PHY_H
22 #define WPAN_PHY_H
23
24 #include <linux/netdevice.h>
25 #include <linux/mutex.h>
26 #include <linux/bug.h>
27
28 struct wpan_phy {
29 struct mutex pib_lock;
30
31 /*
32 * This is a PIB according to 802.15.4-2006.
33 * We do not provide timing-related variables, as they
34 * aren't used outside of driver
35 */
36 u8 current_channel;
37 u8 current_page;
38 u32 channels_supported[32];
39 u8 transmit_power;
40 u8 cca_mode;
41
42 struct device dev;
43 int idx;
44
45 struct net_device *(*add_iface)(struct wpan_phy *phy,
46 const char *name);
47 void (*del_iface)(struct wpan_phy *phy, struct net_device *dev);
48
49 char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
50 };
51
52 #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
53
54 struct wpan_phy *wpan_phy_alloc(size_t priv_size);
wpan_phy_set_dev(struct wpan_phy * phy,struct device * dev)55 static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
56 {
57 phy->dev.parent = dev;
58 }
59 int wpan_phy_register(struct wpan_phy *phy);
60 void wpan_phy_unregister(struct wpan_phy *phy);
61 void wpan_phy_free(struct wpan_phy *phy);
62 /* Same semantics as for class_for_each_device */
63 int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
64
wpan_phy_priv(struct wpan_phy * phy)65 static inline void *wpan_phy_priv(struct wpan_phy *phy)
66 {
67 BUG_ON(!phy);
68 return &phy->priv;
69 }
70
71 struct wpan_phy *wpan_phy_find(const char *str);
72
wpan_phy_put(struct wpan_phy * phy)73 static inline void wpan_phy_put(struct wpan_phy *phy)
74 {
75 put_device(&phy->dev);
76 }
77
wpan_phy_name(struct wpan_phy * phy)78 static inline const char *wpan_phy_name(struct wpan_phy *phy)
79 {
80 return dev_name(&phy->dev);
81 }
82 #endif
83