140 строки
3.3 KiB
C
140 строки
3.3 KiB
C
#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 */
|