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		359f2d17e3
		
	
	
	
	
		
			
			Conflicts: drivers/net/wireless/zd1211rw/zd_mac.h net/ieee80211/softmac/ieee80211softmac_assoc.c
		
			
				
	
	
		
			245 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			245 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Internal softmac API definitions.
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|  *
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|  * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
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|  *                          Joseph Jezak <josejx@gentoo.org>
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|  *                          Larry Finger <Larry.Finger@lwfinger.net>
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|  *                          Danny van Dyk <kugelfang@gentoo.org>
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|  *                          Michael Buesch <mbuesch@freenet.de>
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms of version 2 of the GNU General Public License as
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|  * published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it will be useful, but WITHOUT
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|  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|  * more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
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|  *
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|  * The full GNU General Public License is included in this distribution in the
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|  * file called COPYING.
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|  */
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| 
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| #ifndef IEEE80211SOFTMAC_PRIV_H_
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| #define IEEE80211SOFTMAC_PRIV_H_
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| 
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| #include <net/ieee80211softmac.h>
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| #include <net/ieee80211softmac_wx.h>
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| #include <linux/kernel.h>
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| #include <linux/stringify.h>
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| 
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| 
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| #define PFX				"SoftMAC: "
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| 
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| #ifdef assert
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| # undef assert
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| #endif
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| #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
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| #define assert(expr) \
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| 	do {										\
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| 		if (unlikely(!(expr))) {						\
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| 		printkl(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", #expr,	\
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| 			__FILE__, __LINE__, __FUNCTION__);				\
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| 		}									\
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| 	} while (0)
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| #else
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| #define assert(expr) do {} while (0)
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| #endif
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| 
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| /* rate limited printk(). */
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| #ifdef printkl
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| # undef printkl
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| #endif
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| #define printkl(f, x...)  do { if (printk_ratelimit()) printk(f ,##x); } while (0)
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| /* rate limited printk() for debugging */
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| #ifdef dprintkl
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| # undef dprintkl
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| #endif
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| #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
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| # define dprintkl		printkl
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| #else
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| # define dprintkl(f, x...)	do { /* nothing */ } while (0)
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| #endif
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| 
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| /* debugging printk() */
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| #ifdef dprintk
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| # undef dprintk
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| #endif
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| #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG
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| # define dprintk(f, x...)  do { printk(f ,##x); } while (0)
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| #else
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| # define dprintk(f, x...)  do { /* nothing */ } while (0)
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| #endif
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| 
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| /* private definitions and prototypes */
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| 
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| /*** prototypes from _scan.c */
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| void ieee80211softmac_scan(struct work_struct *work);
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| /* for internal use if scanning is needed */
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| int ieee80211softmac_start_scan(struct ieee80211softmac_device *mac);
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| void ieee80211softmac_stop_scan(struct ieee80211softmac_device *mac);
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| void ieee80211softmac_wait_for_scan(struct ieee80211softmac_device *mac);
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| 
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| /* for use by _module.c to assign to the callbacks */
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| int ieee80211softmac_start_scan_implementation(struct net_device *dev);
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| void ieee80211softmac_stop_scan_implementation(struct net_device *dev);
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| void ieee80211softmac_wait_for_scan_implementation(struct net_device *dev);
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| 
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| /*** Network prototypes from _module.c */
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| struct ieee80211softmac_network * ieee80211softmac_create_network(
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| 	struct ieee80211softmac_device *mac, struct ieee80211_network *net);
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| void ieee80211softmac_add_network_locked(struct ieee80211softmac_device *mac,
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| 	struct ieee80211softmac_network *net);
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| void ieee80211softmac_add_network(struct ieee80211softmac_device *mac,
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| 	struct ieee80211softmac_network *net);
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| void ieee80211softmac_del_network_locked(struct ieee80211softmac_device *mac,
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| 	struct ieee80211softmac_network *net);
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| void ieee80211softmac_del_network(struct ieee80211softmac_device *mac,
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| 	struct ieee80211softmac_network *net);
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| struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid_locked(
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| 	struct ieee80211softmac_device *mac, u8 *ea);
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| struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid(
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| 	struct ieee80211softmac_device *mac, u8 *ea);
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| struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid_locked(
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| 	struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
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| struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid(
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| 	struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len);
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| struct ieee80211softmac_network *
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| ieee80211softmac_get_network_by_essid_locked(struct ieee80211softmac_device *mac,
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| 	struct ieee80211softmac_essid *essid);
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| struct ieee80211softmac_network *
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| ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac,
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| 	struct ieee80211softmac_essid *essid);
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| 
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| /* Rates related */
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| void ieee80211softmac_process_erp(struct ieee80211softmac_device *mac,
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| 	u8 erp_value);
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| int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo *ri, u8 rate);
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| u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta);
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| void ieee80211softmac_init_bss(struct ieee80211softmac_device *mac);
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| void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac);
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| static inline u8 lower_rate(struct ieee80211softmac_device *mac, u8 rate) {
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| 	return ieee80211softmac_lower_rate_delta(mac, rate, 1);
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| }
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| 
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| static inline u8 get_fallback_rate(struct ieee80211softmac_device *mac, u8 rate)
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| {
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| 	return ieee80211softmac_lower_rate_delta(mac, rate, 2);
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| }
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|                 
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| 
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| /*** prototypes from _io.c */
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| int ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
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| 	void* ptrarg, u32 type, u32 arg);
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| int ieee80211softmac_handle_beacon(struct net_device *dev,
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| 	struct ieee80211_beacon *beacon,
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| 	struct ieee80211_network *network);
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| 
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| /*** prototypes from _auth.c */
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| /* do these have to go into the public header? */
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| int ieee80211softmac_auth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net);
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| int ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, int reason);
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| 
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| /* for use by _module.c to assign to the callbacks */
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| int ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth);
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| int ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth);
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| 
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| /*** prototypes from _assoc.c */
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| void ieee80211softmac_assoc_work(struct work_struct *work);
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| int ieee80211softmac_handle_assoc_response(struct net_device * dev,
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| 					   struct ieee80211_assoc_response * resp,
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| 					   struct ieee80211_network * network);
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| int ieee80211softmac_handle_disassoc(struct net_device * dev,
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| 				     struct ieee80211_disassoc * disassoc);
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| int ieee80211softmac_handle_reassoc_req(struct net_device * dev,
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| 				        struct ieee80211_reassoc_request * reassoc);
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| void ieee80211softmac_assoc_timeout(struct work_struct *work);
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| void ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason);
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| void ieee80211softmac_disassoc(struct ieee80211softmac_device *mac);
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| 
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| /* some helper functions */
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| static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device *sm)
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| {
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| 	return (sm->start_scan == ieee80211softmac_start_scan_implementation) && 
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| 		(sm->stop_scan == ieee80211softmac_stop_scan_implementation) && 
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| 		(sm->wait_for_scan == ieee80211softmac_wait_for_scan_implementation);
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| }
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| 
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| static inline int ieee80211softmac_scan_sanity_check(struct ieee80211softmac_device *sm)
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| {
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| 	return ((sm->start_scan != ieee80211softmac_start_scan_implementation) && 
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| 		(sm->stop_scan != ieee80211softmac_stop_scan_implementation) && 
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| 		(sm->wait_for_scan != ieee80211softmac_wait_for_scan_implementation)
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| 		) || ieee80211softmac_scan_handlers_check_self(sm);
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| }
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| 
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| #define IEEE80211SOFTMAC_PROBE_DELAY		HZ/50
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| #define IEEE80211SOFTMAC_WORKQUEUE_NAME_LEN	(17 + IFNAMSIZ)
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| 
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| struct ieee80211softmac_network {
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| 	struct list_head		list;	/* List */
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| 	/* Network information copied from ieee80211_network */
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| 	u8 bssid[ETH_ALEN];
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| 	u8 channel;
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| 	struct ieee80211softmac_essid essid;
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| 
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| 	struct ieee80211softmac_ratesinfo supported_rates;
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| 
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| 	/* SoftMAC specific */
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| 	u16 authenticating:1,			/* Status Flags */
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| 	    authenticated:1,
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| 	    auth_desynced_once:1;
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| 
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| 	u8 erp_value;				/* Saved ERP value */
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| 	u16 capabilities;			/* Capabilities bitfield */
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| 	u8 challenge_len;			/* Auth Challenge length */
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| 	char *challenge;			/* Challenge Text */
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| };
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| 
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| /* structure used to keep track of networks we're auth'ing to */
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| struct ieee80211softmac_auth_queue_item {
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| 	struct list_head		list;	/* List head */
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| 	struct ieee80211softmac_network	*net;	/* Network to auth */
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| 	struct ieee80211softmac_device	*mac;	/* SoftMAC device */
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| 	u8 retry;				/* Retry limit */
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| 	u8 state;				/* Auth State */
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| 	struct delayed_work		work;	/* Work queue */
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| };
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| 
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| /* scanning information */
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| struct ieee80211softmac_scaninfo {
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| 	u8 current_channel_idx,
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| 	   number_channels;
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| 	struct ieee80211_channel *channels;
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| 	u8 started:1,
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| 	   stop:1;
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| 	u8 skip_flags;
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| 	struct completion finished;
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| 	struct delayed_work softmac_scan;
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| 	struct ieee80211softmac_device *mac;
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| };
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| 
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| /* private event struct */
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| struct ieee80211softmac_event {
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| 	struct list_head list;
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| 	int event_type;
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| 	void *event_context;
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| 	struct delayed_work work;
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| 	notify_function_ptr fun;
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| 	void *context;
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| 	struct ieee80211softmac_device *mac;
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| };
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| 
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| void ieee80211softmac_call_events(struct ieee80211softmac_device *mac, int event, void *event_context);
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| void ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int event, void *event_context);
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| int ieee80211softmac_notify_internal(struct ieee80211softmac_device *mac,
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| 	int event, void *event_context, notify_function_ptr fun, void *context, gfp_t gfp_mask);
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| 
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| void ieee80211softmac_try_reassoc(struct ieee80211softmac_device *mac);
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| 
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| #endif /* IEEE80211SOFTMAC_PRIV_H_ */
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