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Diffstat (limited to 'include/net/wireless.h')
-rw-r--r-- | include/net/wireless.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/include/net/wireless.h b/include/net/wireless.h new file mode 100644 index 000000000000..d30c4ba8fd99 --- /dev/null +++ b/include/net/wireless.h | |||
@@ -0,0 +1,139 @@ | |||
1 | #ifndef __NET_WIRELESS_H | ||
2 | #define __NET_WIRELESS_H | ||
3 | |||
4 | /* | ||
5 | * 802.11 device management | ||
6 | * | ||
7 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> | ||
8 | */ | ||
9 | |||
10 | #include <linux/netdevice.h> | ||
11 | #include <linux/debugfs.h> | ||
12 | #include <linux/list.h> | ||
13 | #include <net/cfg80211.h> | ||
14 | |||
15 | /** | ||
16 | * struct wiphy - wireless hardware description | ||
17 | * @idx: the wiphy index assigned to this item | ||
18 | * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name> | ||
19 | */ | ||
20 | struct wiphy { | ||
21 | /* assign these fields before you register the wiphy */ | ||
22 | |||
23 | /* permanent MAC address */ | ||
24 | u8 perm_addr[ETH_ALEN]; | ||
25 | |||
26 | /* If multiple wiphys are registered and you're handed e.g. | ||
27 | * a regular netdev with assigned ieee80211_ptr, you won't | ||
28 | * know whether it points to a wiphy your driver has registered | ||
29 | * or not. Assign this to something global to your driver to | ||
30 | * help determine whether you own this wiphy or not. */ | ||
31 | void *privid; | ||
32 | |||
33 | /* fields below are read-only, assigned by cfg80211 */ | ||
34 | |||
35 | /* the item in /sys/class/ieee80211/ points to this, | ||
36 | * you need use set_wiphy_dev() (see below) */ | ||
37 | struct device dev; | ||
38 | |||
39 | /* dir in debugfs: ieee80211/<wiphyname> */ | ||
40 | struct dentry *debugfsdir; | ||
41 | |||
42 | char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); | ||
43 | }; | ||
44 | |||
45 | /** struct wireless_dev - wireless per-netdev state | ||
46 | * | ||
47 | * This structure must be allocated by the driver/stack | ||
48 | * that uses the ieee80211_ptr field in struct net_device | ||
49 | * (this is intentional so it can be allocated along with | ||
50 | * the netdev.) | ||
51 | * | ||
52 | * @wiphy: pointer to hardware description | ||
53 | */ | ||
54 | struct wireless_dev { | ||
55 | struct wiphy *wiphy; | ||
56 | |||
57 | /* private to the generic wireless code */ | ||
58 | struct list_head list; | ||
59 | struct net_device *netdev; | ||
60 | }; | ||
61 | |||
62 | /** | ||
63 | * wiphy_priv - return priv from wiphy | ||
64 | */ | ||
65 | static inline void *wiphy_priv(struct wiphy *wiphy) | ||
66 | { | ||
67 | BUG_ON(!wiphy); | ||
68 | return &wiphy->priv; | ||
69 | } | ||
70 | |||
71 | /** | ||
72 | * set_wiphy_dev - set device pointer for wiphy | ||
73 | */ | ||
74 | static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev) | ||
75 | { | ||
76 | wiphy->dev.parent = dev; | ||
77 | } | ||
78 | |||
79 | /** | ||
80 | * wiphy_dev - get wiphy dev pointer | ||
81 | */ | ||
82 | static inline struct device *wiphy_dev(struct wiphy *wiphy) | ||
83 | { | ||
84 | return wiphy->dev.parent; | ||
85 | } | ||
86 | |||
87 | /** | ||
88 | * wiphy_name - get wiphy name | ||
89 | */ | ||
90 | static inline char *wiphy_name(struct wiphy *wiphy) | ||
91 | { | ||
92 | return wiphy->dev.bus_id; | ||
93 | } | ||
94 | |||
95 | /** | ||
96 | * wdev_priv - return wiphy priv from wireless_dev | ||
97 | */ | ||
98 | static inline void *wdev_priv(struct wireless_dev *wdev) | ||
99 | { | ||
100 | BUG_ON(!wdev); | ||
101 | return wiphy_priv(wdev->wiphy); | ||
102 | } | ||
103 | |||
104 | /** | ||
105 | * wiphy_new - create a new wiphy for use with cfg80211 | ||
106 | * | ||
107 | * create a new wiphy and associate the given operations with it. | ||
108 | * @sizeof_priv bytes are allocated for private use. | ||
109 | * | ||
110 | * the returned pointer must be assigned to each netdev's | ||
111 | * ieee80211_ptr for proper operation. | ||
112 | */ | ||
113 | struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv); | ||
114 | |||
115 | /** | ||
116 | * wiphy_register - register a wiphy with cfg80211 | ||
117 | * | ||
118 | * register the given wiphy | ||
119 | * | ||
120 | * Returns a non-negative wiphy index or a negative error code. | ||
121 | */ | ||
122 | extern int wiphy_register(struct wiphy *wiphy); | ||
123 | |||
124 | /** | ||
125 | * wiphy_unregister - deregister a wiphy from cfg80211 | ||
126 | * | ||
127 | * unregister a device with the given priv pointer. | ||
128 | * After this call, no more requests can be made with this priv | ||
129 | * pointer, but the call may sleep to wait for an outstanding | ||
130 | * request that is being handled. | ||
131 | */ | ||
132 | extern void wiphy_unregister(struct wiphy *wiphy); | ||
133 | |||
134 | /** | ||
135 | * wiphy_free - free wiphy | ||
136 | */ | ||
137 | extern void wiphy_free(struct wiphy *wiphy); | ||
138 | |||
139 | #endif /* __NET_WIRELESS_H */ | ||