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Commit 01a28298 authored by John W. Linville's avatar John W. Linville
Browse files

Merge branch 'master' of... 

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

Conflicts:
	drivers/net/wireless/ath/ath9k/hw.c
parents d5ddb4a5 37752657

Documentation/networking/mac80211-auth-assoc-deauth.txt

0 → 100644
+99 −0
Original line number Diff line number Diff line 
#

# This outlines the Linux authentication/association and

# deauthentication/disassociation flows.

#

# This can be converted into a diagram using the service

# at http://www.websequencediagrams.com/

#



participant userspace

participant mac80211

participant driver



alt authentication needed (not FT)

userspace->mac80211: authenticate



alt authenticated/authenticating already

mac80211->driver: sta_state(AP, not-exists)

mac80211->driver: bss_info_changed(clear BSSID)

else associated

note over mac80211,driver

like deauth/disassoc, without sending the

BA session stop & deauth/disassoc frames

end note

end



mac80211->driver: config(channel, non-HT)

mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)

mac80211->driver: sta_state(AP, exists)



alt no probe request data known

mac80211->driver: TX directed probe request

driver->mac80211: RX probe response

end



mac80211->driver: TX auth frame

driver->mac80211: RX auth frame



alt WEP shared key auth

mac80211->driver: TX auth frame

driver->mac80211: RX auth frame

end



mac80211->driver: sta_state(AP, authenticated)

mac80211->userspace: RX auth frame



end



userspace->mac80211: associate

alt authenticated or associated

note over mac80211,driver: cleanup like for authenticate

end



alt not previously authenticated (FT)

mac80211->driver: config(channel, non-HT)

mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)

mac80211->driver: sta_state(AP, exists)

mac80211->driver: sta_state(AP, authenticated)

end

mac80211->driver: TX assoc

driver->mac80211: RX assoc response

note over mac80211: init rate control

mac80211->driver: sta_state(AP, associated)



alt not using WPA

mac80211->driver: sta_state(AP, authorized)

end



mac80211->driver: set up QoS parameters



alt is HT channel

mac80211->driver: config(channel, HT params)

end



mac80211->driver: bss_info_changed(QoS, HT, associated with AID)

mac80211->userspace: associated



note left of userspace: associated now



alt using WPA

note over userspace

do 4-way-handshake

(data frames)

end note

userspace->mac80211: authorized

mac80211->driver: sta_state(AP, authorized)

end



userspace->mac80211: deauthenticate/disassociate

mac80211->driver: stop BA sessions

mac80211->driver: TX deauth/disassoc

mac80211->driver: flush frames

mac80211->driver: sta_state(AP,associated)

mac80211->driver: sta_state(AP,authenticated)

mac80211->driver: sta_state(AP,exists)

mac80211->driver: sta_state(AP,not-exists)

mac80211->driver: turn off powersave

mac80211->driver: bss_info_changed(clear BSSID, not associated, no QoS, ...)

mac80211->driver: config(non-HT channel type)

mac80211->userspace: disconnected

drivers/net/wireless/ath/ath.h

+11 −15
Original line number Diff line number Diff line
@@ -174,28 +174,24 @@ bool ath_hw_keyreset(struct ath_common *common, u16 entry); 
void ath_hw_cycle_counters_update(struct ath_common *common);

int32_t ath_hw_get_listen_time(struct ath_common *common);



extern __printf(2, 3) void ath_printk(const char *level, const char *fmt, ...);



#define _ath_printk(level, common, fmt, ...)			\

do {								\

	__always_unused struct ath_common *unused = common;	\

	ath_printk(level, fmt, ##__VA_ARGS__);			\

} while (0)

__printf(3, 4)

void ath_printk(const char *level, const struct ath_common *common,

		const char *fmt, ...);



#define ath_emerg(common, fmt, ...)				\

	_ath_printk(KERN_EMERG, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_EMERG, common, fmt, ##__VA_ARGS__)

#define ath_alert(common, fmt, ...)				\

	_ath_printk(KERN_ALERT, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_ALERT, common, fmt, ##__VA_ARGS__)

#define ath_crit(common, fmt, ...)				\

	_ath_printk(KERN_CRIT, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_CRIT, common, fmt, ##__VA_ARGS__)

#define ath_err(common, fmt, ...)				\

	_ath_printk(KERN_ERR, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_ERR, common, fmt, ##__VA_ARGS__)

#define ath_warn(common, fmt, ...)				\

	_ath_printk(KERN_WARNING, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_WARNING, common, fmt, ##__VA_ARGS__)

#define ath_notice(common, fmt, ...)				\

	_ath_printk(KERN_NOTICE, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_NOTICE, common, fmt, ##__VA_ARGS__)

#define ath_info(common, fmt, ...)				\

	_ath_printk(KERN_INFO, common, fmt, ##__VA_ARGS__)

	ath_printk(KERN_INFO, common, fmt, ##__VA_ARGS__)



/**

 * enum ath_debug_level - atheros wireless debug level
@@ -256,7 +252,7 @@ enum ATH_DEBUG { 
#define ath_dbg(common, dbg_mask, fmt, ...)				\

do {									\

	if ((common)->debug_mask & ATH_DBG_##dbg_mask)			\

		_ath_printk(KERN_DEBUG, common, fmt, ##__VA_ARGS__);	\

		ath_printk(KERN_DEBUG, common, fmt, ##__VA_ARGS__);	\

} while (0)



#define ATH_DBG_WARN(foo, arg...) WARN(foo, arg)

drivers/net/wireless/ath/ath6kl/Makefile

+2 −1
Original line number Diff line number Diff line 
#------------------------------------------------------------------------------

# Copyright (c) 2004-2010 Atheros Communications Inc.

# Copyright (c) 2004-2011 Atheros Communications Inc.

# Copyright (c) 2011-2012 Qualcomm Atheros, Inc.

# All rights reserved.

#

#

drivers/net/wireless/ath/ath6kl/bmi.c

+4 −3
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2004-2011 Atheros Communications Inc.

 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

drivers/net/wireless/ath/ath6kl/bmi.h

+24 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2004-2011 Atheros Communications Inc.

 * Copyright (c) 2011 Qualcomm Atheros, Inc.

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above
@@ -222,6 +223,29 @@ struct ath6kl_bmi_target_info { 
	__le32 type;         /* target type */

} __packed;



#define ath6kl_bmi_write_hi32(ar, item, val)				\

	({								\

		u32 addr;						\

		__le32 v;						\

									\

		addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));	\

		v = cpu_to_le32(val);					\

		ath6kl_bmi_write(ar, addr, (u8 *) &v, sizeof(v));	\

	})



#define ath6kl_bmi_read_hi32(ar, item, val)				\

	({								\

		u32 addr, *check_type = val;				\

		__le32 tmp;						\

		int ret;						\

									\

		(void) (check_type == val);				\

		addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));	\

		ret = ath6kl_bmi_read(ar, addr, (u8 *) &tmp, 4);	\

		*val = le32_to_cpu(tmp);				\

		ret;							\

	})



int ath6kl_bmi_init(struct ath6kl *ar);

void ath6kl_bmi_cleanup(struct ath6kl *ar);

void ath6kl_bmi_reset(struct ath6kl *ar);