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#ifndef __NET_WIRELESS_H
#define __NET_WIRELESS_H
/*
* 802.11 device management
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
*/
#include <linux/netdevice.h>
#include <linux/debugfs.h>
#include <linux/list.h>
#include <net/cfg80211.h>
/**
* struct wiphy - wireless hardware description
* @idx: the wiphy index assigned to this item
* @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
*/
struct wiphy {
/* assign these fields before you register the wiphy */
/* permanent MAC address */
u8 perm_addr[ETH_ALEN];
/* If multiple wiphys are registered and you're handed e.g.
* a regular netdev with assigned ieee80211_ptr, you won't
* know whether it points to a wiphy your driver has registered
* or not. Assign this to something global to your driver to
* help determine whether you own this wiphy or not. */
void *privid;
/* fields below are read-only, assigned by cfg80211 */
/* the item in /sys/class/ieee80211/ points to this,
* you need use set_wiphy_dev() (see below) */
struct device dev;
/* dir in debugfs: ieee80211/<wiphyname> */
struct dentry *debugfsdir;
char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
};
/** struct wireless_dev - wireless per-netdev state
*
* This structure must be allocated by the driver/stack
* that uses the ieee80211_ptr field in struct net_device
* (this is intentional so it can be allocated along with
* the netdev.)
*
* @wiphy: pointer to hardware description
*/
struct wireless_dev {
struct wiphy *wiphy;
/* private to the generic wireless code */
struct list_head list;
struct net_device *netdev;
};
/**
* wiphy_priv - return priv from wiphy
*/
static inline void *wiphy_priv(struct wiphy *wiphy)
{
BUG_ON(!wiphy);
return &wiphy->priv;
}
/**
* set_wiphy_dev - set device pointer for wiphy
*/
static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
{
wiphy->dev.parent = dev;
}
/**
* wiphy_dev - get wiphy dev pointer
*/
static inline struct device *wiphy_dev(struct wiphy *wiphy)
{
return wiphy->dev.parent;
}
/**
* wiphy_name - get wiphy name
*/
static inline char *wiphy_name(struct wiphy *wiphy)
{
return wiphy->dev.bus_id;
}
/**
* wdev_priv - return wiphy priv from wireless_dev
*/
static inline void *wdev_priv(struct wireless_dev *wdev)
{
BUG_ON(!wdev);
return wiphy_priv(wdev->wiphy);
}
/**
* wiphy_new - create a new wiphy for use with cfg80211
*
* create a new wiphy and associate the given operations with it.
* @sizeof_priv bytes are allocated for private use.
*
* the returned pointer must be assigned to each netdev's
* ieee80211_ptr for proper operation.
*/
struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv);
/**
* wiphy_register - register a wiphy with cfg80211
*
* register the given wiphy
*
* Returns a non-negative wiphy index or a negative error code.
*/
extern int wiphy_register(struct wiphy *wiphy);
/**
* wiphy_unregister - deregister a wiphy from cfg80211
*
* unregister a device with the given priv pointer.
* After this call, no more requests can be made with this priv
* pointer, but the call may sleep to wait for an outstanding
* request that is being handled.
*/
extern void wiphy_unregister(struct wiphy *wiphy);
/**
* wiphy_free - free wiphy
*/
extern void wiphy_free(struct wiphy *wiphy);
#endif /* __NET_WIRELESS_H */
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