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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); | |
9d30a8cf AA |
38 | void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, |
39 | struct net_device *dev); | |
ab0bd561 | 40 | int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel); |
702bf371 AA |
41 | int (*set_pan_id)(struct wpan_phy *wpan_phy, |
42 | struct wpan_dev *wpan_dev, u16 pan_id); | |
a5dd1d72 AA |
43 | }; |
44 | ||
2bfb1070 DES |
45 | struct wpan_phy { |
46 | struct mutex pib_lock; | |
47 | ||
6322d50d AA |
48 | /* If multiple wpan_phys are registered and you're handed e.g. |
49 | * a regular netdev with assigned ieee802154_ptr, you won't | |
50 | * know whether it points to a wpan_phy your driver has registered | |
51 | * or not. Assign this to something global to your driver to | |
52 | * help determine whether you own this wpan_phy or not. | |
53 | */ | |
54 | const void *privid; | |
55 | ||
2bfb1070 | 56 | /* |
9b2777d6 | 57 | * This is a PIB according to 802.15.4-2011. |
2bfb1070 DES |
58 | * We do not provide timing-related variables, as they |
59 | * aren't used outside of driver | |
60 | */ | |
61 | u8 current_channel; | |
62 | u8 current_page; | |
a0b4a738 | 63 | u32 channels_supported[32]; |
9b2777d6 | 64 | s8 transmit_power; |
2bfb1070 | 65 | u8 cca_mode; |
dee56d14 AA |
66 | |
67 | __le64 perm_extended_addr; | |
2bfb1070 | 68 | |
6ca00197 | 69 | s32 cca_ed_level; |
84dda3c6 | 70 | |
2bfb1070 | 71 | struct device dev; |
2bfb1070 | 72 | |
4896167d | 73 | char priv[0] __aligned(NETDEV_ALIGN); |
2bfb1070 DES |
74 | }; |
75 | ||
d5ae67ba AA |
76 | struct wpan_dev { |
77 | struct wpan_phy *wpan_phy; | |
190ac1ca | 78 | int iftype; |
863e88f2 | 79 | |
fcf39e6e AA |
80 | /* the remainder of this struct should be private to cfg802154 */ |
81 | struct list_head list; | |
82 | struct net_device *netdev; | |
83 | ||
84 | u32 identifier; | |
85 | ||
863e88f2 AA |
86 | /* MAC PIB */ |
87 | __le16 pan_id; | |
88 | __le16 short_addr; | |
89 | __le64 extended_addr; | |
90 | ||
91 | /* MAC BSN field */ | |
92 | u8 bsn; | |
93 | /* MAC DSN field */ | |
94 | u8 dsn; | |
95 | ||
96 | u8 min_be; | |
97 | u8 max_be; | |
98 | u8 csma_retries; | |
99 | s8 frame_retries; | |
100 | ||
101 | bool lbt; | |
102 | ||
103 | bool promiscuous_mode; | |
d5ae67ba AA |
104 | }; |
105 | ||
42723448 DES |
106 | #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) |
107 | ||
a5dd1d72 | 108 | struct wpan_phy * |
f601379f | 109 | wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size); |
e9cf356c DES |
110 | static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) |
111 | { | |
112 | phy->dev.parent = dev; | |
113 | } | |
e72740d0 | 114 | |
e9cf356c | 115 | int wpan_phy_register(struct wpan_phy *phy); |
2bfb1070 DES |
116 | void wpan_phy_unregister(struct wpan_phy *phy); |
117 | void wpan_phy_free(struct wpan_phy *phy); | |
1c889f4d DES |
118 | /* Same semantics as for class_for_each_device */ |
119 | int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); | |
2bfb1070 DES |
120 | |
121 | static inline void *wpan_phy_priv(struct wpan_phy *phy) | |
122 | { | |
123 | BUG_ON(!phy); | |
124 | return &phy->priv; | |
125 | } | |
126 | ||
127 | struct wpan_phy *wpan_phy_find(const char *str); | |
69d9ab96 DES |
128 | |
129 | static inline void wpan_phy_put(struct wpan_phy *phy) | |
130 | { | |
131 | put_device(&phy->dev); | |
132 | } | |
133 | ||
2bfb1070 DES |
134 | static inline const char *wpan_phy_name(struct wpan_phy *phy) |
135 | { | |
136 | return dev_name(&phy->dev); | |
137 | } | |
5ad60d36 AA |
138 | |
139 | #endif /* __NET_CFG802154_H */ |