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