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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 | |
f3ea5e44 AA |
24 | #include <net/nl802154.h> |
25 | ||
0606069d | 26 | /* According to the IEEE 802.15.4 stadard the upper most significant bits of |
27 | * the 32-bit channel bitmaps shall be used as an integer value to specify 32 | |
28 | * possible channel pages. The lower 27 bits of the channel bit map shall be | |
29 | * used as a bit mask to specify channel numbers within a channel page. | |
30 | */ | |
31 | #define WPAN_NUM_CHANNELS 27 | |
32 | #define WPAN_NUM_PAGES 32 | |
33 | ||
a5dd1d72 AA |
34 | struct wpan_phy; |
35 | ||
36 | struct cfg802154_ops { | |
4a9a816a AA |
37 | struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, |
38 | const char *name, | |
39 | int type); | |
9d30a8cf AA |
40 | void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, |
41 | struct net_device *dev); | |
f3ea5e44 AA |
42 | int (*add_virtual_intf)(struct wpan_phy *wpan_phy, |
43 | const char *name, | |
44 | enum nl802154_iftype type); | |
ab0bd561 | 45 | int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel); |
702bf371 AA |
46 | int (*set_pan_id)(struct wpan_phy *wpan_phy, |
47 | struct wpan_dev *wpan_dev, u16 pan_id); | |
9830c62a AA |
48 | int (*set_short_addr)(struct wpan_phy *wpan_phy, |
49 | struct wpan_dev *wpan_dev, u16 short_addr); | |
656a999e AA |
50 | int (*set_backoff_exponent)(struct wpan_phy *wpan_phy, |
51 | struct wpan_dev *wpan_dev, u8 min_be, | |
52 | u8 max_be); | |
a01ba765 AA |
53 | int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy, |
54 | struct wpan_dev *wpan_dev, | |
55 | u8 max_csma_backoffs); | |
17a3a46b AA |
56 | int (*set_max_frame_retries)(struct wpan_phy *wpan_phy, |
57 | struct wpan_dev *wpan_dev, | |
58 | s8 max_frame_retries); | |
c8937a1d AA |
59 | int (*set_lbt_mode)(struct wpan_phy *wpan_phy, |
60 | struct wpan_dev *wpan_dev, bool mode); | |
a5dd1d72 AA |
61 | }; |
62 | ||
2bfb1070 DES |
63 | struct wpan_phy { |
64 | struct mutex pib_lock; | |
65 | ||
6322d50d AA |
66 | /* If multiple wpan_phys are registered and you're handed e.g. |
67 | * a regular netdev with assigned ieee802154_ptr, you won't | |
68 | * know whether it points to a wpan_phy your driver has registered | |
69 | * or not. Assign this to something global to your driver to | |
70 | * help determine whether you own this wpan_phy or not. | |
71 | */ | |
72 | const void *privid; | |
73 | ||
2bfb1070 | 74 | /* |
9b2777d6 | 75 | * This is a PIB according to 802.15.4-2011. |
2bfb1070 DES |
76 | * We do not provide timing-related variables, as they |
77 | * aren't used outside of driver | |
78 | */ | |
79 | u8 current_channel; | |
80 | u8 current_page; | |
a0b4a738 | 81 | u32 channels_supported[32]; |
9b2777d6 | 82 | s8 transmit_power; |
2bfb1070 | 83 | u8 cca_mode; |
dee56d14 AA |
84 | |
85 | __le64 perm_extended_addr; | |
2bfb1070 | 86 | |
6ca00197 | 87 | s32 cca_ed_level; |
84dda3c6 | 88 | |
61f2dcba AA |
89 | /* PHY depended MAC PIB values */ |
90 | ||
91 | /* 802.15.4 acronym: Tdsym in usec */ | |
92 | u8 symbol_duration; | |
93 | /* lifs and sifs periods timing */ | |
94 | u16 lifs_period; | |
95 | u16 sifs_period; | |
96 | ||
2bfb1070 | 97 | struct device dev; |
2bfb1070 | 98 | |
4896167d | 99 | char priv[0] __aligned(NETDEV_ALIGN); |
2bfb1070 DES |
100 | }; |
101 | ||
d5ae67ba AA |
102 | struct wpan_dev { |
103 | struct wpan_phy *wpan_phy; | |
190ac1ca | 104 | int iftype; |
863e88f2 | 105 | |
fcf39e6e AA |
106 | /* the remainder of this struct should be private to cfg802154 */ |
107 | struct list_head list; | |
108 | struct net_device *netdev; | |
109 | ||
110 | u32 identifier; | |
111 | ||
863e88f2 AA |
112 | /* MAC PIB */ |
113 | __le16 pan_id; | |
114 | __le16 short_addr; | |
115 | __le64 extended_addr; | |
116 | ||
117 | /* MAC BSN field */ | |
118 | u8 bsn; | |
119 | /* MAC DSN field */ | |
120 | u8 dsn; | |
121 | ||
122 | u8 min_be; | |
123 | u8 max_be; | |
124 | u8 csma_retries; | |
125 | s8 frame_retries; | |
126 | ||
127 | bool lbt; | |
128 | ||
129 | bool promiscuous_mode; | |
d5ae67ba AA |
130 | }; |
131 | ||
42723448 DES |
132 | #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) |
133 | ||
a5dd1d72 | 134 | struct wpan_phy * |
f601379f | 135 | wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size); |
e9cf356c DES |
136 | static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) |
137 | { | |
138 | phy->dev.parent = dev; | |
139 | } | |
e72740d0 | 140 | |
e9cf356c | 141 | int wpan_phy_register(struct wpan_phy *phy); |
2bfb1070 DES |
142 | void wpan_phy_unregister(struct wpan_phy *phy); |
143 | void wpan_phy_free(struct wpan_phy *phy); | |
1c889f4d DES |
144 | /* Same semantics as for class_for_each_device */ |
145 | int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); | |
2bfb1070 DES |
146 | |
147 | static inline void *wpan_phy_priv(struct wpan_phy *phy) | |
148 | { | |
149 | BUG_ON(!phy); | |
150 | return &phy->priv; | |
151 | } | |
152 | ||
153 | struct wpan_phy *wpan_phy_find(const char *str); | |
69d9ab96 DES |
154 | |
155 | static inline void wpan_phy_put(struct wpan_phy *phy) | |
156 | { | |
157 | put_device(&phy->dev); | |
158 | } | |
159 | ||
2bfb1070 DES |
160 | static inline const char *wpan_phy_name(struct wpan_phy *phy) |
161 | { | |
162 | return dev_name(&phy->dev); | |
163 | } | |
5ad60d36 AA |
164 | |
165 | #endif /* __NET_CFG802154_H */ |