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#ifndef __NET_CFG80211_H
#define __NET_CFG80211_H
#include <linux/netlink.h>
#include <linux/skbuff.h>
#include <linux/nl80211.h>
#include <net/genetlink.h>
* 802.11 configuration in-kernel interface
* Copyright 2006, 2007 Johannes Berg <>
/* Radiotap header iteration
* implemented in net/wireless/radiotap.c
* docs in Documentation/networking/radiotap-headers.txt
* struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
* @rtheader: pointer to the radiotap header we are walking through
* @max_length: length of radiotap header in cpu byte ordering
* @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
* @this_arg: pointer to current radiotap arg
* @arg_index: internal next argument index
* @arg: internal next argument pointer
* @next_bitmap: internal pointer to next present u32
* @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
struct ieee80211_radiotap_iterator {
struct ieee80211_radiotap_header *rtheader;
int max_length;
int this_arg_index;
u8 *this_arg;
int arg_index;
u8 *arg;
__le32 *next_bitmap;
u32 bitmap_shifter;
extern int ieee80211_radiotap_iterator_init(
struct ieee80211_radiotap_iterator *iterator,
struct ieee80211_radiotap_header *radiotap_header,
int max_length);
extern int ieee80211_radiotap_iterator_next(
struct ieee80211_radiotap_iterator *iterator);
/* from net/wireless.h */
struct wiphy;
* struct cfg80211_ops - backend description for wireless configuration
* This struct is registered by fullmac card drivers and/or wireless stacks
* in order to handle configuration requests on their interfaces.
* All callbacks except where otherwise noted should return 0
* on success or a negative error code.
* All operations are currently invoked under rtnl for consistency with the
* wireless extensions but this is subject to reevaluation as soon as this
* code is used more widely and we have a first user without wext.
* @add_virtual_intf: create a new virtual interface with the given name
* @del_virtual_intf: remove the virtual interface determined by ifindex.
* @change_virtual_intf: change type of virtual interface
struct cfg80211_ops {
int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
enum nl80211_iftype type);
int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
enum nl80211_iftype type);
#endif /* __NET_CFG80211_H */