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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 | * | |
2bfb1070 DES |
13 | * Written by: |
14 | * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | |
15 | */ | |
16 | ||
5ad60d36 AA |
17 | #ifndef __NET_CFG802154_H |
18 | #define __NET_CFG802154_H | |
2bfb1070 DES |
19 | |
20 | #include <linux/netdevice.h> | |
21 | #include <linux/mutex.h> | |
187f1882 | 22 | #include <linux/bug.h> |
2bfb1070 | 23 | |
0606069d | 24 | /* According to the IEEE 802.15.4 stadard the upper most significant bits of |
25 | * the 32-bit channel bitmaps shall be used as an integer value to specify 32 | |
26 | * possible channel pages. The lower 27 bits of the channel bit map shall be | |
27 | * used as a bit mask to specify channel numbers within a channel page. | |
28 | */ | |
29 | #define WPAN_NUM_CHANNELS 27 | |
30 | #define WPAN_NUM_PAGES 32 | |
31 | ||
a5dd1d72 AA |
32 | struct wpan_phy; |
33 | ||
34 | struct cfg802154_ops { | |
4a9a816a AA |
35 | struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, |
36 | const char *name, | |
37 | int type); | |
38 | void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, | |
39 | struct net_device *dev); | |
a5dd1d72 AA |
40 | }; |
41 | ||
2bfb1070 DES |
42 | struct wpan_phy { |
43 | struct mutex pib_lock; | |
44 | ||
45 | /* | |
9b2777d6 | 46 | * This is a PIB according to 802.15.4-2011. |
2bfb1070 DES |
47 | * We do not provide timing-related variables, as they |
48 | * aren't used outside of driver | |
49 | */ | |
50 | u8 current_channel; | |
51 | u8 current_page; | |
a0b4a738 | 52 | u32 channels_supported[32]; |
9b2777d6 | 53 | s8 transmit_power; |
2bfb1070 | 54 | u8 cca_mode; |
4244db1b PB |
55 | u8 min_be; |
56 | u8 max_be; | |
57 | u8 csma_retries; | |
58 | s8 frame_retries; | |
2bfb1070 | 59 | |
84dda3c6 | 60 | bool lbt; |
6ca00197 | 61 | s32 cca_ed_level; |
84dda3c6 | 62 | |
2bfb1070 | 63 | struct device dev; |
2bfb1070 | 64 | |
4896167d | 65 | char priv[0] __aligned(NETDEV_ALIGN); |
2bfb1070 DES |
66 | }; |
67 | ||
d5ae67ba AA |
68 | struct wpan_dev { |
69 | struct wpan_phy *wpan_phy; | |
70 | }; | |
71 | ||
42723448 DES |
72 | #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) |
73 | ||
a5dd1d72 AA |
74 | struct wpan_phy * |
75 | wpan_phy_alloc(const struct cfg802154_ops *ops, size_t priv_size); | |
e9cf356c DES |
76 | static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) |
77 | { | |
78 | phy->dev.parent = dev; | |
79 | } | |
e72740d0 | 80 | |
e9cf356c | 81 | int wpan_phy_register(struct wpan_phy *phy); |
2bfb1070 DES |
82 | void wpan_phy_unregister(struct wpan_phy *phy); |
83 | void wpan_phy_free(struct wpan_phy *phy); | |
1c889f4d DES |
84 | /* Same semantics as for class_for_each_device */ |
85 | int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); | |
2bfb1070 DES |
86 | |
87 | static inline void *wpan_phy_priv(struct wpan_phy *phy) | |
88 | { | |
89 | BUG_ON(!phy); | |
90 | return &phy->priv; | |
91 | } | |
92 | ||
93 | struct wpan_phy *wpan_phy_find(const char *str); | |
69d9ab96 DES |
94 | |
95 | static inline void wpan_phy_put(struct wpan_phy *phy) | |
96 | { | |
97 | put_device(&phy->dev); | |
98 | } | |
99 | ||
2bfb1070 DES |
100 | static inline const char *wpan_phy_name(struct wpan_phy *phy) |
101 | { | |
102 | return dev_name(&phy->dev); | |
103 | } | |
5ad60d36 AA |
104 | |
105 | #endif /* __NET_CFG802154_H */ |