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| Commit | Line | Data |
|---|---|---|
| 704232c2 JB |
1 | #ifndef __NET_WIRELESS_H |
| 2 | #define __NET_WIRELESS_H | |
| 3 | ||
| 4 | /* | |
| 5 | * 802.11 device management | |
| 6 | * | |
| 7 | * Copyright 2007 Johannes Berg <[email protected]> | |
| 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 */ |