[mirror_ubuntu-bionic-kernel.git] / include / net / cfg80211.h

#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 <johannes@sipsolutions.net>
 */

/* 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 */
Commit	Line	Data
704232c2 JB	1	#ifndef __NET_CFG80211_H
	2	#define __NET_CFG80211_H
	3
	4	#include <linux/netlink.h>
	5	#include <linux/skbuff.h>
55682965	6	#include <linux/nl80211.h>
704232c2 JB	7	#include <net/genetlink.h>
	8
	9	/*
	10	* 802.11 configuration in-kernel interface
	11	*
55682965	12	* Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
704232c2 JB	13	*/
704232c2 JB	14
179f831b AG	15	/* Radiotap header iteration
	16	* implemented in net/wireless/radiotap.c
	17	* docs in Documentation/networking/radiotap-headers.txt
	18	*/
	19	/**
	20	* struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
	21	* @rtheader: pointer to the radiotap header we are walking through
	22	* @max_length: length of radiotap header in cpu byte ordering
	23	* @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
	24	* @this_arg: pointer to current radiotap arg
	25	* @arg_index: internal next argument index
	26	* @arg: internal next argument pointer
	27	* @next_bitmap: internal pointer to next present u32
	28	* @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
	29	*/
	30
	31	struct ieee80211_radiotap_iterator {
	32	struct ieee80211_radiotap_header *rtheader;
	33	int max_length;
	34	int this_arg_index;
	35	u8 *this_arg;
	36
	37	int arg_index;
	38	u8 *arg;
	39	__le32 *next_bitmap;
	40	u32 bitmap_shifter;
	41	};
	42
	43	extern int ieee80211_radiotap_iterator_init(
	44	struct ieee80211_radiotap_iterator *iterator,
	45	struct ieee80211_radiotap_header *radiotap_header,
	46	int max_length);
	47
	48	extern int ieee80211_radiotap_iterator_next(
	49	struct ieee80211_radiotap_iterator *iterator);
	50
	51
704232c2 JB	52	/* from net/wireless.h */
	53	struct wiphy;
	54
	55	/**
	56	* struct cfg80211_ops - backend description for wireless configuration
	57	*
	58	* This struct is registered by fullmac card drivers and/or wireless stacks
	59	* in order to handle configuration requests on their interfaces.
	60	*
	61	* All callbacks except where otherwise noted should return 0
	62	* on success or a negative error code.
	63	*
43fb45cb JB	64	* All operations are currently invoked under rtnl for consistency with the
	65	* wireless extensions but this is subject to reevaluation as soon as this
	66	* code is used more widely and we have a first user without wext.
	67	*
704232c2 JB	68	* @add_virtual_intf: create a new virtual interface with the given name
	69	*
	70	* @del_virtual_intf: remove the virtual interface determined by ifindex.
55682965 JB	71	*
	72	* @change_virtual_intf: change type of virtual interface
	73	*
704232c2 JB	74	*/
	75	struct cfg80211_ops {
	76	int (add_virtual_intf)(struct wiphy wiphy, char *name,
55682965	77	enum nl80211_iftype type);
704232c2	78	int (del_virtual_intf)(struct wiphy wiphy, int ifindex);
55682965 JB	79	int (change_virtual_intf)(struct wiphy wiphy, int ifindex,
55682965 JB	80	enum nl80211_iftype type);
704232c2 JB	81	};
	82
	83	#endif /* __NET_CFG80211_H */