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2bfb1070 DES |
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> | |
187f1882 | 26 | #include <linux/bug.h> |
2bfb1070 | 27 | |
0606069d | 28 | /* 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 | ||
2bfb1070 DES |
36 | struct wpan_phy { |
37 | struct mutex pib_lock; | |
38 | ||
39 | /* | |
9b2777d6 | 40 | * This is a PIB according to 802.15.4-2011. |
2bfb1070 DES |
41 | * 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; | |
a0b4a738 | 46 | u32 channels_supported[32]; |
9b2777d6 | 47 | s8 transmit_power; |
2bfb1070 | 48 | u8 cca_mode; |
4244db1b PB |
49 | u8 min_be; |
50 | u8 max_be; | |
51 | u8 csma_retries; | |
52 | s8 frame_retries; | |
2bfb1070 | 53 | |
84dda3c6 | 54 | bool lbt; |
6ca00197 | 55 | s32 cca_ed_level; |
84dda3c6 | 56 | |
2bfb1070 DES |
57 | struct device dev; |
58 | int idx; | |
59 | ||
bb1cafb8 | 60 | struct net_device *(*add_iface)(struct wpan_phy *phy, |
90c049b2 | 61 | const char *name, int type); |
bb1cafb8 DES |
62 | void (*del_iface)(struct wpan_phy *phy, struct net_device *dev); |
63 | ||
9b2777d6 | 64 | int (*set_txpower)(struct wpan_phy *phy, int db); |
84dda3c6 | 65 | int (*set_lbt)(struct wpan_phy *phy, bool on); |
ba08fea5 | 66 | int (*set_cca_mode)(struct wpan_phy *phy, u8 cca_mode); |
6ca00197 | 67 | int (*set_cca_ed_level)(struct wpan_phy *phy, int level); |
4244db1b PB |
68 | int (*set_csma_params)(struct wpan_phy *phy, u8 min_be, u8 max_be, |
69 | u8 retries); | |
70 | int (*set_frame_retries)(struct wpan_phy *phy, s8 retries); | |
9b2777d6 | 71 | |
2bfb1070 DES |
72 | char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); |
73 | }; | |
74 | ||
42723448 DES |
75 | #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) |
76 | ||
2bfb1070 | 77 | struct wpan_phy *wpan_phy_alloc(size_t priv_size); |
e9cf356c DES |
78 | static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) |
79 | { | |
80 | phy->dev.parent = dev; | |
81 | } | |
82 | int wpan_phy_register(struct wpan_phy *phy); | |
2bfb1070 DES |
83 | void wpan_phy_unregister(struct wpan_phy *phy); |
84 | void wpan_phy_free(struct wpan_phy *phy); | |
1c889f4d DES |
85 | /* Same semantics as for class_for_each_device */ |
86 | int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); | |
2bfb1070 DES |
87 | |
88 | static inline void *wpan_phy_priv(struct wpan_phy *phy) | |
89 | { | |
90 | BUG_ON(!phy); | |
91 | return &phy->priv; | |
92 | } | |
93 | ||
94 | struct wpan_phy *wpan_phy_find(const char *str); | |
69d9ab96 DES |
95 | |
96 | static inline void wpan_phy_put(struct wpan_phy *phy) | |
97 | { | |
98 | put_device(&phy->dev); | |
99 | } | |
100 | ||
2bfb1070 DES |
101 | static inline const char *wpan_phy_name(struct wpan_phy *phy) |
102 | { | |
103 | return dev_name(&phy->dev); | |
104 | } | |
105 | #endif |