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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 | 19 | |
cb41c8dd | 20 | #include <linux/ieee802154.h> |
2bfb1070 DES |
21 | #include <linux/netdevice.h> |
22 | #include <linux/mutex.h> | |
187f1882 | 23 | #include <linux/bug.h> |
2bfb1070 | 24 | |
f3ea5e44 AA |
25 | #include <net/nl802154.h> |
26 | ||
a5dd1d72 | 27 | struct wpan_phy; |
ba2a9506 | 28 | struct wpan_phy_cca; |
a5dd1d72 AA |
29 | |
30 | struct cfg802154_ops { | |
4a9a816a AA |
31 | struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, |
32 | const char *name, | |
5b4a1039 | 33 | unsigned char name_assign_type, |
4a9a816a | 34 | int type); |
9d30a8cf AA |
35 | void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, |
36 | struct net_device *dev); | |
f3ea5e44 AA |
37 | int (*add_virtual_intf)(struct wpan_phy *wpan_phy, |
38 | const char *name, | |
5b4a1039 | 39 | unsigned char name_assign_type, |
0e57547e AA |
40 | enum nl802154_iftype type, |
41 | __le64 extended_addr); | |
b821ecd4 AA |
42 | int (*del_virtual_intf)(struct wpan_phy *wpan_phy, |
43 | struct wpan_dev *wpan_dev); | |
ab0bd561 | 44 | int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel); |
ba2a9506 AA |
45 | int (*set_cca_mode)(struct wpan_phy *wpan_phy, |
46 | const struct wpan_phy_cca *cca); | |
702bf371 | 47 | int (*set_pan_id)(struct wpan_phy *wpan_phy, |
ee7b9053 | 48 | struct wpan_dev *wpan_dev, __le16 pan_id); |
9830c62a | 49 | int (*set_short_addr)(struct wpan_phy *wpan_phy, |
ee7b9053 | 50 | struct wpan_dev *wpan_dev, __le16 short_addr); |
656a999e AA |
51 | int (*set_backoff_exponent)(struct wpan_phy *wpan_phy, |
52 | struct wpan_dev *wpan_dev, u8 min_be, | |
53 | u8 max_be); | |
a01ba765 AA |
54 | int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy, |
55 | struct wpan_dev *wpan_dev, | |
56 | u8 max_csma_backoffs); | |
17a3a46b AA |
57 | int (*set_max_frame_retries)(struct wpan_phy *wpan_phy, |
58 | struct wpan_dev *wpan_dev, | |
59 | s8 max_frame_retries); | |
c8937a1d AA |
60 | int (*set_lbt_mode)(struct wpan_phy *wpan_phy, |
61 | struct wpan_dev *wpan_dev, bool mode); | |
a5dd1d72 AA |
62 | }; |
63 | ||
7fe9a388 AA |
64 | struct wpan_phy_cca { |
65 | enum nl802154_cca_modes mode; | |
66 | enum nl802154_cca_opts opt; | |
67 | }; | |
68 | ||
2bfb1070 DES |
69 | struct wpan_phy { |
70 | struct mutex pib_lock; | |
71 | ||
6322d50d AA |
72 | /* If multiple wpan_phys are registered and you're handed e.g. |
73 | * a regular netdev with assigned ieee802154_ptr, you won't | |
74 | * know whether it points to a wpan_phy your driver has registered | |
75 | * or not. Assign this to something global to your driver to | |
76 | * help determine whether you own this wpan_phy or not. | |
77 | */ | |
78 | const void *privid; | |
79 | ||
2bfb1070 | 80 | /* |
9b2777d6 | 81 | * This is a PIB according to 802.15.4-2011. |
2bfb1070 DES |
82 | * We do not provide timing-related variables, as they |
83 | * aren't used outside of driver | |
84 | */ | |
85 | u8 current_channel; | |
86 | u8 current_page; | |
cb41c8dd | 87 | u32 channels_supported[IEEE802154_MAX_PAGE + 1]; |
e2eb173a | 88 | /* current transmit_power in mBm */ |
1a19cb68 | 89 | s32 transmit_power; |
7fe9a388 | 90 | struct wpan_phy_cca cca; |
dee56d14 AA |
91 | |
92 | __le64 perm_extended_addr; | |
2bfb1070 | 93 | |
32b23550 | 94 | /* current cca ed threshold in mBm */ |
6ca00197 | 95 | s32 cca_ed_level; |
84dda3c6 | 96 | |
61f2dcba AA |
97 | /* PHY depended MAC PIB values */ |
98 | ||
99 | /* 802.15.4 acronym: Tdsym in usec */ | |
100 | u8 symbol_duration; | |
101 | /* lifs and sifs periods timing */ | |
102 | u16 lifs_period; | |
103 | u16 sifs_period; | |
104 | ||
2bfb1070 | 105 | struct device dev; |
2bfb1070 | 106 | |
4896167d | 107 | char priv[0] __aligned(NETDEV_ALIGN); |
2bfb1070 DES |
108 | }; |
109 | ||
d5ae67ba AA |
110 | struct wpan_dev { |
111 | struct wpan_phy *wpan_phy; | |
190ac1ca | 112 | int iftype; |
863e88f2 | 113 | |
fcf39e6e AA |
114 | /* the remainder of this struct should be private to cfg802154 */ |
115 | struct list_head list; | |
116 | struct net_device *netdev; | |
117 | ||
118 | u32 identifier; | |
119 | ||
863e88f2 AA |
120 | /* MAC PIB */ |
121 | __le16 pan_id; | |
122 | __le16 short_addr; | |
123 | __le64 extended_addr; | |
124 | ||
125 | /* MAC BSN field */ | |
126 | u8 bsn; | |
127 | /* MAC DSN field */ | |
128 | u8 dsn; | |
129 | ||
130 | u8 min_be; | |
131 | u8 max_be; | |
132 | u8 csma_retries; | |
133 | s8 frame_retries; | |
134 | ||
135 | bool lbt; | |
136 | ||
137 | bool promiscuous_mode; | |
d5ae67ba AA |
138 | }; |
139 | ||
42723448 DES |
140 | #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) |
141 | ||
a5dd1d72 | 142 | struct wpan_phy * |
f601379f | 143 | wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size); |
e9cf356c DES |
144 | static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) |
145 | { | |
146 | phy->dev.parent = dev; | |
147 | } | |
e72740d0 | 148 | |
e9cf356c | 149 | int wpan_phy_register(struct wpan_phy *phy); |
2bfb1070 DES |
150 | void wpan_phy_unregister(struct wpan_phy *phy); |
151 | void wpan_phy_free(struct wpan_phy *phy); | |
1c889f4d DES |
152 | /* Same semantics as for class_for_each_device */ |
153 | int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); | |
2bfb1070 DES |
154 | |
155 | static inline void *wpan_phy_priv(struct wpan_phy *phy) | |
156 | { | |
157 | BUG_ON(!phy); | |
158 | return &phy->priv; | |
159 | } | |
160 | ||
161 | struct wpan_phy *wpan_phy_find(const char *str); | |
69d9ab96 DES |
162 | |
163 | static inline void wpan_phy_put(struct wpan_phy *phy) | |
164 | { | |
165 | put_device(&phy->dev); | |
166 | } | |
167 | ||
2bfb1070 DES |
168 | static inline const char *wpan_phy_name(struct wpan_phy *phy) |
169 | { | |
170 | return dev_name(&phy->dev); | |
171 | } | |
5ad60d36 AA |
172 | |
173 | #endif /* __NET_CFG802154_H */ |