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Johannes Berg704232c2007-04-23 12:20:05 -07001/*
2 * Wireless configuration interface internals.
3 *
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
5 */
6#ifndef __NET_WIRELESS_CORE_H
7#define __NET_WIRELESS_CORE_H
8#include <linux/mutex.h>
9#include <linux/list.h>
10#include <linux/netdevice.h>
11#include <net/genetlink.h>
12#include <net/wireless.h>
13#include <net/cfg80211.h>
14
15struct cfg80211_registered_device {
16 struct cfg80211_ops *ops;
17 struct list_head list;
18 /* we hold this mutex during any call so that
19 * we cannot do multiple calls at once, and also
20 * to avoid the deregister call to proceed while
21 * any call is in progress */
22 struct mutex mtx;
23
24 /* wiphy index, internal only */
25 int idx;
26
27 /* associate netdev list */
28 struct mutex devlist_mtx;
29 struct list_head netdev_list;
30
31 /* must be last because of the way we do wiphy_priv(),
32 * and it should at least be aligned to NETDEV_ALIGN */
33 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
34};
35
36static inline
37struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
38{
39 BUG_ON(!wiphy);
40 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
41}
42
43extern struct mutex cfg80211_drv_mutex;
44extern struct list_head cfg80211_drv_list;
45
46/* free object */
47extern void cfg80211_dev_free(struct cfg80211_registered_device *drv);
48
49#endif /* __NET_WIRELESS_CORE_H */