Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [TG3]: Add TG3_FLAG_SUPPORT_MSI flag.
  [TG3]: Eliminate the TG3_FLAG_5701_REG_WRITE_BUG flag.
  [TG3]: Eliminate the TG3_FLAG_GOT_SERDES_FLOWCTL flag.
  [TG3]: Remove reset during MAC address changes.
  [TG3]: WoL fixes.
  [TG3]: Clear GPIO mask before storing.
  [TG3]: Improve NVRAM sizing.
  [TG3]: Fix TSO bugs.
  [MAC80211]: Add maintainers entry for mac80211.
  [MAC80211]: Add debugfs attributes.
  [MAC80211]: Add mac80211 wireless stack.
  [MAC80211]: Add generic include/linux/ieee80211.h
  [NETLINK]: Remove references to process ID
  [AF_IUCV]: Compile fix - adopt to skbuff changes.

MAINTAINERS

@@ -2228,6 +2228,16 @@ M:	philb@gnu.org
 W:	http://www.tazenda.demon.co.uk/phil/linux-hp
 S:	Maintained
 
+MAC80211
+P:	Jiri Benc
+M:	jbenc@suse.cz
+P:	Michael Wu
+M:	flamingice@sourmilk.net
+L:	linux-wireless@vger.kernel.org
+W:	http://linuxwireless.org/
+T:	git kernel.org:/pub/scm/linux/kernel/git/jbenc/mac80211.git
+S:	Maintained
+
 MARVELL YUKON / SYSKONNECT DRIVER
 P:	Mirko Lindner
 M: 	mlindner@syskonnect.de

drivers/net/tg3.h

@@ -131,6 +131,7 @@
 #define  CHIPREV_ID_5752_A0_HW		 0x5000
 #define  CHIPREV_ID_5752_A0		 0x6000
 #define  CHIPREV_ID_5752_A1		 0x6001
+#define  CHIPREV_ID_5714_A2		 0x9002
 #define  CHIPREV_ID_5906_A1		 0xc001
 #define  GET_ASIC_REV(CHIP_REV_ID)	((CHIP_REV_ID) >> 12)
 #define   ASIC_REV_5700			 0x07
@@ -2199,7 +2200,6 @@ struct tg3 {
 #define TG3_FLAG_USE_LINKCHG_REG	0x00000008
 #define TG3_FLAG_USE_MI_INTERRUPT	0x00000010
 #define TG3_FLAG_ENABLE_ASF		0x00000020
-#define TG3_FLAG_5701_REG_WRITE_BUG	0x00000040
 #define TG3_FLAG_POLL_SERDES		0x00000080
 #define TG3_FLAG_MBOX_WRITE_REORDER	0x00000100
 #define TG3_FLAG_PCIX_TARGET_HWBUG	0x00000200
@@ -2215,14 +2215,14 @@ struct tg3 {
 #define TG3_FLAG_PCI_32BIT		0x00080000
 #define TG3_FLAG_SRAM_USE_CONFIG	0x00100000
 #define TG3_FLAG_TX_RECOVERY_PENDING	0x00200000
-#define TG3_FLAG_SERDES_WOL_CAP		0x00400000
+#define TG3_FLAG_WOL_CAP		0x00400000
 #define TG3_FLAG_JUMBO_RING_ENABLE	0x00800000
 #define TG3_FLAG_10_100_ONLY		0x01000000
 #define TG3_FLAG_PAUSE_AUTONEG		0x02000000
 #define TG3_FLAG_IN_RESET_TASK		0x04000000
 #define TG3_FLAG_40BIT_DMA_BUG		0x08000000
 #define TG3_FLAG_BROKEN_CHECKSUMS	0x10000000
-#define TG3_FLAG_GOT_SERDES_FLOWCTL	0x20000000
+#define TG3_FLAG_SUPPORT_MSI		0x20000000
 #define TG3_FLAG_CHIP_RESETTING		0x40000000
 #define TG3_FLAG_INIT_COMPLETE		0x80000000
 	u32				tg3_flags2;

include/linux/ieee80211.h

+/*
+ * IEEE 802.11 defines
+ *
+ * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
+ * <jkmaline@cc.hut.fi>
+ * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright (c) 2005, Devicescape Software, Inc.
+ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef IEEE80211_H
+#define IEEE80211_H
+
+#include <linux/types.h>
+
+#define FCS_LEN 4
+
+#define IEEE80211_FCTL_VERS		0x0003
+#define IEEE80211_FCTL_FTYPE		0x000c
+#define IEEE80211_FCTL_STYPE		0x00f0
+#define IEEE80211_FCTL_TODS		0x0100
+#define IEEE80211_FCTL_FROMDS		0x0200
+#define IEEE80211_FCTL_MOREFRAGS	0x0400
+#define IEEE80211_FCTL_RETRY		0x0800
+#define IEEE80211_FCTL_PM		0x1000
+#define IEEE80211_FCTL_MOREDATA		0x2000
+#define IEEE80211_FCTL_PROTECTED	0x4000
+#define IEEE80211_FCTL_ORDER		0x8000
+
+#define IEEE80211_SCTL_FRAG		0x000F
+#define IEEE80211_SCTL_SEQ		0xFFF0
+
+#define IEEE80211_FTYPE_MGMT		0x0000
+#define IEEE80211_FTYPE_CTL		0x0004
+#define IEEE80211_FTYPE_DATA		0x0008
+
+/* management */
+#define IEEE80211_STYPE_ASSOC_REQ	0x0000
+#define IEEE80211_STYPE_ASSOC_RESP	0x0010
+#define IEEE80211_STYPE_REASSOC_REQ	0x0020
+#define IEEE80211_STYPE_REASSOC_RESP	0x0030
+#define IEEE80211_STYPE_PROBE_REQ	0x0040
+#define IEEE80211_STYPE_PROBE_RESP	0x0050
+#define IEEE80211_STYPE_BEACON		0x0080
+#define IEEE80211_STYPE_ATIM		0x0090
+#define IEEE80211_STYPE_DISASSOC	0x00A0
+#define IEEE80211_STYPE_AUTH		0x00B0
+#define IEEE80211_STYPE_DEAUTH		0x00C0
+#define IEEE80211_STYPE_ACTION		0x00D0
+
+/* control */
+#define IEEE80211_STYPE_PSPOLL		0x00A0
+#define IEEE80211_STYPE_RTS		0x00B0
+#define IEEE80211_STYPE_CTS		0x00C0
+#define IEEE80211_STYPE_ACK		0x00D0
+#define IEEE80211_STYPE_CFEND		0x00E0
+#define IEEE80211_STYPE_CFENDACK	0x00F0
+
+/* data */
+#define IEEE80211_STYPE_DATA			0x0000
+#define IEEE80211_STYPE_DATA_CFACK		0x0010
+#define IEEE80211_STYPE_DATA_CFPOLL		0x0020
+#define IEEE80211_STYPE_DATA_CFACKPOLL		0x0030
+#define IEEE80211_STYPE_NULLFUNC		0x0040
+#define IEEE80211_STYPE_CFACK			0x0050
+#define IEEE80211_STYPE_CFPOLL			0x0060
+#define IEEE80211_STYPE_CFACKPOLL		0x0070
+#define IEEE80211_STYPE_QOS_DATA		0x0080
+#define IEEE80211_STYPE_QOS_DATA_CFACK		0x0090
+#define IEEE80211_STYPE_QOS_DATA_CFPOLL		0x00A0
+#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL	0x00B0
+#define IEEE80211_STYPE_QOS_NULLFUNC		0x00C0
+#define IEEE80211_STYPE_QOS_CFACK		0x00D0
+#define IEEE80211_STYPE_QOS_CFPOLL		0x00E0
+#define IEEE80211_STYPE_QOS_CFACKPOLL		0x00F0
+
+
+/* miscellaneous IEEE 802.11 constants */
+#define IEEE80211_MAX_FRAG_THRESHOLD	2346
+#define IEEE80211_MAX_RTS_THRESHOLD	2347
+#define IEEE80211_MAX_AID		2007
+#define IEEE80211_MAX_TIM_LEN		251
+#define IEEE80211_MAX_DATA_LEN		2304
+/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
+   6.2.1.1.2.
+
+   The figure in section 7.1.2 suggests a body size of up to 2312
+   bytes is allowed, which is a bit confusing, I suspect this
+   represents the 2304 bytes of real data, plus a possible 8 bytes of
+   WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
+
+#define IEEE80211_MAX_SSID_LEN		32
+
+struct ieee80211_hdr {
+	__le16 frame_control;
+	__le16 duration_id;
+	u8 addr1[6];
+	u8 addr2[6];
+	u8 addr3[6];
+	__le16 seq_ctrl;
+	u8 addr4[6];
+} __attribute__ ((packed));
+
+
+struct ieee80211_mgmt {
+	__le16 frame_control;
+	__le16 duration;
+	u8 da[6];
+	u8 sa[6];
+	u8 bssid[6];
+	__le16 seq_ctrl;
+	union {
+		struct {
+			__le16 auth_alg;
+			__le16 auth_transaction;
+			__le16 status_code;
+			/* possibly followed by Challenge text */
+			u8 variable[0];
+		} __attribute__ ((packed)) auth;
+		struct {
+			__le16 reason_code;
+		} __attribute__ ((packed)) deauth;
+		struct {
+			__le16 capab_info;
+			__le16 listen_interval;
+			/* followed by SSID and Supported rates */
+			u8 variable[0];
+		} __attribute__ ((packed)) assoc_req;
+		struct {
+			__le16 capab_info;
+			__le16 status_code;
+			__le16 aid;
+			/* followed by Supported rates */
+			u8 variable[0];
+		} __attribute__ ((packed)) assoc_resp, reassoc_resp;
+		struct {
+			__le16 capab_info;
+			__le16 listen_interval;
+			u8 current_ap[6];
+			/* followed by SSID and Supported rates */
+			u8 variable[0];
+		} __attribute__ ((packed)) reassoc_req;
+		struct {
+			__le16 reason_code;
+		} __attribute__ ((packed)) disassoc;
+		struct {
+			__le64 timestamp;
+			__le16 beacon_int;
+			__le16 capab_info;
+			/* followed by some of SSID, Supported rates,
+			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
+			u8 variable[0];
+		} __attribute__ ((packed)) beacon;
+		struct {
+			/* only variable items: SSID, Supported rates */
+			u8 variable[0];
+		} __attribute__ ((packed)) probe_req;
+		struct {
+			__le64 timestamp;
+			__le16 beacon_int;
+			__le16 capab_info;
+			/* followed by some of SSID, Supported rates,
+			 * FH Params, DS Params, CF Params, IBSS Params */
+			u8 variable[0];
+		} __attribute__ ((packed)) probe_resp;
+		struct {
+			u8 category;
+			union {
+				struct {
+					u8 action_code;
+					u8 dialog_token;
+					u8 status_code;
+					u8 variable[0];
+				} __attribute__ ((packed)) wme_action;
+				struct{
+					u8 action_code;
+					u8 element_id;
+					u8 length;
+					u8 switch_mode;
+					u8 new_chan;
+					u8 switch_count;
+				} __attribute__((packed)) chan_switch;
+			} u;
+		} __attribute__ ((packed)) action;
+	} u;
+} __attribute__ ((packed));
+
+
+/* Control frames */
+struct ieee80211_rts {
+	__le16 frame_control;
+	__le16 duration;
+	u8 ra[6];
+	u8 ta[6];
+} __attribute__ ((packed));
+
+struct ieee80211_cts {
+	__le16 frame_control;
+	__le16 duration;
+	u8 ra[6];
+} __attribute__ ((packed));
+
+
+/* Authentication algorithms */
+#define WLAN_AUTH_OPEN 0
+#define WLAN_AUTH_SHARED_KEY 1
+#define WLAN_AUTH_FAST_BSS_TRANSITION 2
+#define WLAN_AUTH_LEAP 128
+
+#define WLAN_AUTH_CHALLENGE_LEN 128
+
+#define WLAN_CAPABILITY_ESS		(1<<0)
+#define WLAN_CAPABILITY_IBSS		(1<<1)
+#define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)
+#define WLAN_CAPABILITY_CF_POLL_REQUEST	(1<<3)
+#define WLAN_CAPABILITY_PRIVACY		(1<<4)
+#define WLAN_CAPABILITY_SHORT_PREAMBLE	(1<<5)
+#define WLAN_CAPABILITY_PBCC		(1<<6)
+#define WLAN_CAPABILITY_CHANNEL_AGILITY	(1<<7)
+/* 802.11h */
+#define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
+#define WLAN_CAPABILITY_QOS		(1<<9)
+#define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
+#define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
+
+/* Status codes */
+enum ieee80211_statuscode {
+	WLAN_STATUS_SUCCESS = 0,
+	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
+	WLAN_STATUS_CAPS_UNSUPPORTED = 10,
+	WLAN_STATUS_REASSOC_NO_ASSOC = 11,
+	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
+	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
+	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
+	WLAN_STATUS_CHALLENGE_FAIL = 15,
+	WLAN_STATUS_AUTH_TIMEOUT = 16,
+	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
+	WLAN_STATUS_ASSOC_DENIED_RATES = 18,
+	/* 802.11b */
+	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
+	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
+	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
+	/* 802.11h */
+	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
+	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
+	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
+	/* 802.11g */
+	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
+	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
+	/* 802.11i */
+	WLAN_STATUS_INVALID_IE = 40,
+	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
+	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
+	WLAN_STATUS_INVALID_AKMP = 43,
+	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
+	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
+	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
+};
+
+
+/* Reason codes */
+enum ieee80211_reasoncode {
+	WLAN_REASON_UNSPECIFIED = 1,
+	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
+	WLAN_REASON_DEAUTH_LEAVING = 3,
+	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
+	WLAN_REASON_DISASSOC_AP_BUSY = 5,
+	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
+	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
+	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
+	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
+	/* 802.11h */
+	WLAN_REASON_DISASSOC_BAD_POWER = 10,
+	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
+	/* 802.11i */
+	WLAN_REASON_INVALID_IE = 13,
+	WLAN_REASON_MIC_FAILURE = 14,
+	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
+	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
+	WLAN_REASON_IE_DIFFERENT = 17,
+	WLAN_REASON_INVALID_GROUP_CIPHER = 18,
+	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
+	WLAN_REASON_INVALID_AKMP = 20,
+	WLAN_REASON_UNSUPP_RSN_VERSION = 21,
+	WLAN_REASON_INVALID_RSN_IE_CAP = 22,
+	WLAN_REASON_IEEE8021X_FAILED = 23,
+	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
+};
+
+
+/* Information Element IDs */
+enum ieee80211_eid {
+	WLAN_EID_SSID = 0,
+	WLAN_EID_SUPP_RATES = 1,
+	WLAN_EID_FH_PARAMS = 2,
+	WLAN_EID_DS_PARAMS = 3,
+	WLAN_EID_CF_PARAMS = 4,
+	WLAN_EID_TIM = 5,
+	WLAN_EID_IBSS_PARAMS = 6,
+	WLAN_EID_CHALLENGE = 16,
+	/* 802.11d */
+	WLAN_EID_COUNTRY = 7,
+	WLAN_EID_HP_PARAMS = 8,
+	WLAN_EID_HP_TABLE = 9,
+	WLAN_EID_REQUEST = 10,
+	/* 802.11h */
+	WLAN_EID_PWR_CONSTRAINT = 32,
+	WLAN_EID_PWR_CAPABILITY = 33,
+	WLAN_EID_TPC_REQUEST = 34,
+	WLAN_EID_TPC_REPORT = 35,
+	WLAN_EID_SUPPORTED_CHANNELS = 36,
+	WLAN_EID_CHANNEL_SWITCH = 37,
+	WLAN_EID_MEASURE_REQUEST = 38,
+	WLAN_EID_MEASURE_REPORT = 39,
+	WLAN_EID_QUIET = 40,
+	WLAN_EID_IBSS_DFS = 41,
+	/* 802.11g */
+	WLAN_EID_ERP_INFO = 42,
+	WLAN_EID_EXT_SUPP_RATES = 50,
+	/* 802.11i */
+	WLAN_EID_RSN = 48,
+	WLAN_EID_WPA = 221,
+	WLAN_EID_GENERIC = 221,
+	WLAN_EID_VENDOR_SPECIFIC = 221,
+	WLAN_EID_QOS_PARAMETER = 222
+};
+
+/* cipher suite selectors */
+#define WLAN_CIPHER_SUITE_USE_GROUP	0x000FAC00
+#define WLAN_CIPHER_SUITE_WEP40		0x000FAC01
+#define WLAN_CIPHER_SUITE_TKIP		0x000FAC02
+/* reserved: 				0x000FAC03 */
+#define WLAN_CIPHER_SUITE_CCMP		0x000FAC04
+#define WLAN_CIPHER_SUITE_WEP104	0x000FAC05
+
+#define WLAN_MAX_KEY_LEN		32
+
+#endif /* IEEE80211_H */

include/linux/netlink.h

@@ -31,7 +31,7 @@ struct sockaddr_nl
 {
 	sa_family_t	nl_family;	/* AF_NETLINK	*/
 	unsigned short	nl_pad;		/* zero		*/
-	__u32		nl_pid;		/* process pid	*/
+	__u32		nl_pid;		/* port ID	*/
        	__u32		nl_groups;	/* multicast groups mask */
 };
 
@@ -41,7 +41,7 @@ struct nlmsghdr
 	__u16		nlmsg_type;	/* Message content */
 	__u16		nlmsg_flags;	/* Additional flags */
 	__u32		nlmsg_seq;	/* Sequence number */
-	__u32		nlmsg_pid;	/* Sending process PID */
+	__u32		nlmsg_pid;	/* Sending process port ID */
 };
 
 /* Flags values */

net/Kconfig

@@ -220,6 +220,7 @@ config FIB_RULES
 menu "Wireless"
 
 source "net/wireless/Kconfig"
+source "net/mac80211/Kconfig"
 source "net/ieee80211/Kconfig"
 
 endmenu

net/Makefile

@@ -45,6 +45,8 @@ obj-$(CONFIG_ECONET)		+= econet/
 obj-$(CONFIG_VLAN_8021Q)	+= 8021q/
 obj-$(CONFIG_IP_DCCP)		+= dccp/
 obj-$(CONFIG_IP_SCTP)		+= sctp/
+obj-y				+= wireless/
+obj-$(CONFIG_MAC80211)		+= mac80211/
 obj-$(CONFIG_IEEE80211)		+= ieee80211/
 obj-$(CONFIG_TIPC)		+= tipc/
 obj-$(CONFIG_NETLABEL)		+= netlabel/
@@ -53,5 +55,3 @@ obj-$(CONFIG_IUCV)		+= iucv/
 ifeq ($(CONFIG_NET),y)
 obj-$(CONFIG_SYSCTL)		+= sysctl_net.o
 endif
-
-obj-y				+= wireless/

net/iucv/af_iucv.c

@@ -961,7 +961,7 @@ static void iucv_callback_connack(struct iucv_path *path, u8 ipuser[16])
 }
 
 static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len,
-			     struct sk_buff_head fragmented_skb_q)
+			     struct sk_buff_head *fragmented_skb_q)
 {
 	int dataleft, size, copied = 0;
 	struct sk_buff *nskb;
@@ -981,8 +981,8 @@ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len,
 		copied += size;
 		dataleft -= size;
 
-		nskb->h.raw = nskb->data;
-		nskb->nh.raw = nskb->data;
+		skb_reset_transport_header(nskb);
+		skb_reset_network_header(nskb);
 		nskb->len = size;
 
 		skb_queue_tail(fragmented_skb_q, nskb);

net/mac80211/Kconfig

+config MAC80211
+	tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
+	depends on EXPERIMENTAL
+	select CRYPTO
+	select CRYPTO_ECB
+	select CRYPTO_ARC4
+	select CRYPTO_AES
+	select CRC32
+	select WIRELESS_EXT
+	select CFG80211
+	select NET_SCH_FIFO
+	---help---
+	This option enables the hardware independent IEEE 802.11
+	networking stack.
+
+config MAC80211_LEDS
+	bool "Enable LED triggers"
+	depends on MAC80211 && LEDS_TRIGGERS
+	---help---
+	This option enables a few LED triggers for different
+	packet receive/transmit events.
+
+config MAC80211_DEBUGFS
+	bool "Export mac80211 internals in DebugFS"
+	depends on MAC80211 && DEBUG_FS
+	---help---
+	  Select this to see extensive information about
+	  the internal state of mac80211 in debugfs.
+
+	  Say N unless you know you need this.
+
+config MAC80211_DEBUG
+	bool "Enable debugging output"
+	depends on MAC80211
+	---help---
+	  This option will enable debug tracing output for the
+	  ieee80211 network stack.
+
+	  If you are not trying to debug or develop the ieee80211
+	  subsystem, you most likely want to say N here.
+
+config MAC80211_VERBOSE_DEBUG
+	bool "Verbose debugging output"
+	depends on MAC80211_DEBUG
+
+config MAC80211_LOWTX_FRAME_DUMP
+	bool "Debug frame dumping"
+	depends on MAC80211_DEBUG
+	---help---
+	  Selecting this option will cause the stack to
+	  print a message for each frame that is handed
+	  to the lowlevel driver for transmission. This
+	  message includes all MAC addresses and the
+	  frame control field.
+
+	  If unsure, say N and insert the debugging code
+	  you require into the driver you are debugging.
+
+config TKIP_DEBUG
+	bool "TKIP debugging"
+	depends on MAC80211_DEBUG
+
+config MAC80211_DEBUG_COUNTERS
+	bool "Extra statistics for TX/RX debugging"
+	depends on MAC80211_DEBUG
+
+config MAC80211_IBSS_DEBUG
+	bool "Support for IBSS testing"
+	depends on MAC80211_DEBUG
+	---help---
+	  Say Y here if you intend to debug the IBSS code.
+
+config MAC80211_VERBOSE_PS_DEBUG
+	bool "Verbose powersave mode debugging"
+	depends on MAC80211_DEBUG
+	---help---
+	  Say Y here to print out verbose powersave
+	  mode debug messages.

net/mac80211/Makefile

+obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o
+
+mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o
+mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += debugfs.o debugfs_sta.o debugfs_netdev.o debugfs_key.o
+
+mac80211-objs := \
+	ieee80211.o \
+	ieee80211_ioctl.o \
+	sta_info.o \
+	wep.o \
+	wpa.o \
+	ieee80211_sta.o \
+	ieee80211_iface.o \
+	ieee80211_rate.o \
+	michael.o \
+	tkip.o \
+	aes_ccm.o \
+	wme.o \
+	ieee80211_cfg.o \
+	$(mac80211-objs-y)

net/mac80211/aes_ccm.c

+/*
+ * Copyright 2003-2004, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include <linux/err.h>
+#include <asm/scatterlist.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_key.h"
+#include "aes_ccm.h"
+
+
+static void ieee80211_aes_encrypt(struct crypto_cipher *tfm,
+				  const u8 pt[16], u8 ct[16])
+{
+	crypto_cipher_encrypt_one(tfm, ct, pt);
+}
+
+
+static inline void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
+				   u8 *b, u8 *s_0, u8 *a)
+{
+	int i;
+
+	ieee80211_aes_encrypt(tfm, b_0, b);
+
+	/* Extra Authenticate-only data (always two AES blocks) */
+	for (i = 0; i < AES_BLOCK_LEN; i++)
+		aad[i] ^= b[i];
+	ieee80211_aes_encrypt(tfm, aad, b);
+
+	aad += AES_BLOCK_LEN;
+
+	for (i = 0; i < AES_BLOCK_LEN; i++)
+		aad[i] ^= b[i];
+	ieee80211_aes_encrypt(tfm, aad, a);
+
+	/* Mask out bits from auth-only-b_0 */
+	b_0[0] &= 0x07;
+
+	/* S_0 is used to encrypt T (= MIC) */
+	b_0[14] = 0;
+	b_0[15] = 0;
+	ieee80211_aes_encrypt(tfm, b_0, s_0);
+}
+
+
+void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
+			       u8 *b_0, u8 *aad, u8 *data, size_t data_len,
+			       u8 *cdata, u8 *mic)
+{
+	int i, j, last_len, num_blocks;
+	u8 *pos, *cpos, *b, *s_0, *e;
+
+	b = scratch;
+	s_0 = scratch + AES_BLOCK_LEN;
+	e = scratch + 2 * AES_BLOCK_LEN;
+
+	num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
+	last_len = data_len % AES_BLOCK_LEN;
+	aes_ccm_prepare(tfm, b_0, aad, b, s_0, b);
+
+	/* Process payload blocks */
+	pos = data;
+	cpos = cdata;
+	for (j = 1; j <= num_blocks; j++) {
+		int blen = (j == num_blocks && last_len) ?
+			last_len : AES_BLOCK_LEN;
+
+		/* Authentication followed by encryption */
+		for (i = 0; i < blen; i++)
+			b[i] ^= pos[i];
+		ieee80211_aes_encrypt(tfm, b, b);
+
+		b_0[14] = (j >> 8) & 0xff;
+		b_0[15] = j & 0xff;
+		ieee80211_aes_encrypt(tfm, b_0, e);
+		for (i = 0; i < blen; i++)
+			*cpos++ = *pos++ ^ e[i];
+	}
+
+	for (i = 0; i < CCMP_MIC_LEN; i++)
+		mic[i] = b[i] ^ s_0[i];
+}
+
+
+int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
+			      u8 *b_0, u8 *aad, u8 *cdata, size_t data_len,
+			      u8 *mic, u8 *data)
+{
+	int i, j, last_len, num_blocks;
+	u8 *pos, *cpos, *b, *s_0, *a;
+
+	b = scratch;
+	s_0 = scratch + AES_BLOCK_LEN;
+	a = scratch + 2 * AES_BLOCK_LEN;
+
+	num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
+	last_len = data_len % AES_BLOCK_LEN;
+	aes_ccm_prepare(tfm, b_0, aad, b, s_0, a);
+
+	/* Process payload blocks */
+	cpos = cdata;
+	pos = data;
+	for (j = 1; j <= num_blocks; j++) {
+		int blen = (j == num_blocks && last_len) ?
+			last_len : AES_BLOCK_LEN;
+
+		/* Decryption followed by authentication */
+		b_0[14] = (j >> 8) & 0xff;
+		b_0[15] = j & 0xff;
+		ieee80211_aes_encrypt(tfm, b_0, b);
+		for (i = 0; i < blen; i++) {
+			*pos = *cpos++ ^ b[i];
+			a[i] ^= *pos++;
+		}
+
+		ieee80211_aes_encrypt(tfm, a, a);
+	}
+
+	for (i = 0; i < CCMP_MIC_LEN; i++) {
+		if ((mic[i] ^ s_0[i]) != a[i])
+			return -1;
+	}
+
+	return 0;
+}
+
+
+struct crypto_cipher * ieee80211_aes_key_setup_encrypt(const u8 key[])
+{
+	struct crypto_cipher *tfm;
+
+	tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
+	if (IS_ERR(tfm))
+		return NULL;
+
+	crypto_cipher_setkey(tfm, key, ALG_CCMP_KEY_LEN);
+
+	return tfm;
+}
+
+
+void ieee80211_aes_key_free(struct crypto_cipher *tfm)
+{
+	if (tfm)
+		crypto_free_cipher(tfm);
+}

net/mac80211/aes_ccm.h

+/*
+ * Copyright 2003-2004, Instant802 Networks, Inc.
+ * Copyright 2006, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef AES_CCM_H
+#define AES_CCM_H
+
+#include <linux/crypto.h>
+
+#define AES_BLOCK_LEN 16
+
+struct crypto_cipher * ieee80211_aes_key_setup_encrypt(const u8 key[]);
+void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
+			       u8 *b_0, u8 *aad, u8 *data, size_t data_len,
+			       u8 *cdata, u8 *mic);
+int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
+			      u8 *b_0, u8 *aad, u8 *cdata, size_t data_len,
+			      u8 *mic, u8 *data);
+void ieee80211_aes_key_free(struct crypto_cipher *tfm);
+
+#endif /* AES_CCM_H */

net/mac80211/debugfs.h

+#ifndef __MAC80211_DEBUGFS_H
+#define __MAC80211_DEBUGFS_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+extern void debugfs_hw_add(struct ieee80211_local *local);
+extern void debugfs_hw_del(struct ieee80211_local *local);
+extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
+#else
+static inline void debugfs_hw_add(struct ieee80211_local *local)
+{
+	return;
+}
+static inline void debugfs_hw_del(struct ieee80211_local *local) {}
+#endif
+
+#endif /* __MAC80211_DEBUGFS_H */

net/mac80211/debugfs_key.c

+/*
+ * Copyright 2003-2005	Devicescape Software, Inc.
+ * Copyright (c) 2006	Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kobject.h>
+#include "ieee80211_i.h"
+#include "ieee80211_key.h"
+#include "debugfs.h"
+#include "debugfs_key.h"
+
+#define KEY_READ(name, buflen, format_string)				\
+static ssize_t key_##name##_read(struct file *file,			\
+				 char __user *userbuf,			\
+				 size_t count, loff_t *ppos)		\
+{									\
+	char buf[buflen];						\
+	struct ieee80211_key *key = file->private_data;			\
+	int res = scnprintf(buf, buflen, format_string, key->name);	\
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+}
+#define KEY_READ_D(name) KEY_READ(name, 20, "%d\n")
+
+#define KEY_OPS(name)							\
+static const struct file_operations key_ ##name## _ops = {		\
+	.read = key_##name##_read,					\
+	.open = mac80211_open_file_generic,				\
+}
+
+#define KEY_FILE(name, format)						\
+		 KEY_READ_##format(name)				\
+		 KEY_OPS(name)
+
+KEY_FILE(keylen, D);
+KEY_FILE(force_sw_encrypt, D);
+KEY_FILE(keyidx, D);
+KEY_FILE(hw_key_idx, D);
+KEY_FILE(tx_rx_count, D);
+
+static ssize_t key_algorithm_read(struct file *file,
+				  char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	char *alg;
+	struct ieee80211_key *key = file->private_data;
+
+	switch (key->alg) {
+	case ALG_WEP:
+		alg = "WEP\n";
+		break;
+	case ALG_TKIP:
+		alg = "TKIP\n";
+		break;
+	case ALG_CCMP:
+		alg = "CCMP\n";
+		break;
+	default:
+		return 0;
+	}
+	return simple_read_from_buffer(userbuf, count, ppos, alg, strlen(alg));
+}
+KEY_OPS(algorithm);
+
+static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
+				size_t count, loff_t *ppos)
+{
+	const u8 *tpn;
+	char buf[20];
+	int len;
+	struct ieee80211_key *key = file->private_data;
+
+	switch (key->alg) {
+	case ALG_WEP:
+		len = scnprintf(buf, sizeof(buf), "\n");
+	case ALG_TKIP:
+		len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
+				key->u.tkip.iv32,
+				key->u.tkip.iv16);
+	case ALG_CCMP:
+		tpn = key->u.ccmp.tx_pn;
+		len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
+				tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
+	default:
+		return 0;
+	}
+	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(tx_spec);
+
+static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
+				size_t count, loff_t *ppos)
+{
+	struct ieee80211_key *key = file->private_data;
+	char buf[14*NUM_RX_DATA_QUEUES+1], *p = buf;
+	int i, len;
+	const u8 *rpn;
+
+	switch (key->alg) {
+	case ALG_WEP:
+		len = scnprintf(buf, sizeof(buf), "\n");
+	case ALG_TKIP:
+		for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+			p += scnprintf(p, sizeof(buf)+buf-p,
+				       "%08x %04x\n",
+				       key->u.tkip.iv32_rx[i],
+				       key->u.tkip.iv16_rx[i]);
+		len = p - buf;
+	case ALG_CCMP:
+		for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
+			rpn = key->u.ccmp.rx_pn[i];
+			p += scnprintf(p, sizeof(buf)+buf-p,
+				       "%02x%02x%02x%02x%02x%02x\n",
+				       rpn[0], rpn[1], rpn[2],
+				       rpn[3], rpn[4], rpn[5]);
+		}
+		len = p - buf;
+	default:
+		return 0;
+	}
+	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(rx_spec);
+
+static ssize_t key_replays_read(struct file *file, char __user *userbuf,
+				size_t count, loff_t *ppos)
+{
+	struct ieee80211_key *key = file->private_data;
+	char buf[20];
+	int len;
+
+	if (key->alg != ALG_CCMP)
+		return 0;
+	len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
+	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(replays);
+
+static ssize_t key_key_read(struct file *file, char __user *userbuf,
+			    size_t count, loff_t *ppos)
+{
+	struct ieee80211_key *key = file->private_data;
+	int i, res, bufsize = 2*key->keylen+2;
+	char *buf = kmalloc(bufsize, GFP_KERNEL);
+	char *p = buf;
+
+	for (i = 0; i < key->keylen; i++)
+		p += scnprintf(p, bufsize+buf-p, "%02x", key->key[i]);
+	p += scnprintf(p, bufsize+buf-p, "\n");
+	res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+	kfree(buf);
+	return res;
+}
+KEY_OPS(key);
+
+#define DEBUGFS_ADD(name) \
+	key->debugfs.name = debugfs_create_file(#name, 0400,\
+				key->debugfs.dir, key, &key_##name##_ops);
+
+void ieee80211_debugfs_key_add(struct ieee80211_local *local,
+			       struct ieee80211_key *key)
+{
+	char buf[20];
+
+	if (!local->debugfs.keys)
+		return;
+
+	sprintf(buf, "%d", key->keyidx);
+	key->debugfs.dir = debugfs_create_dir(buf,
+					local->debugfs.keys);
+
+	if (!key->debugfs.dir)
+		return;
+
+	DEBUGFS_ADD(keylen);
+	DEBUGFS_ADD(force_sw_encrypt);
+	DEBUGFS_ADD(keyidx);
+	DEBUGFS_ADD(hw_key_idx);
+	DEBUGFS_ADD(tx_rx_count);
+	DEBUGFS_ADD(algorithm);
+	DEBUGFS_ADD(tx_spec);
+	DEBUGFS_ADD(rx_spec);
+	DEBUGFS_ADD(replays);
+	DEBUGFS_ADD(key);
+};
+
+#define DEBUGFS_DEL(name) \
+	debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
+
+void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
+{
+	if (!key)
+		return;
+
+	DEBUGFS_DEL(keylen);
+	DEBUGFS_DEL(force_sw_encrypt);
+	DEBUGFS_DEL(keyidx);
+	DEBUGFS_DEL(hw_key_idx);
+	DEBUGFS_DEL(tx_rx_count);
+	DEBUGFS_DEL(algorithm);
+	DEBUGFS_DEL(tx_spec);
+	DEBUGFS_DEL(rx_spec);
+	DEBUGFS_DEL(replays);
+	DEBUGFS_DEL(key);
+
+	debugfs_remove(key->debugfs.stalink);
+	key->debugfs.stalink = NULL;
+	debugfs_remove(key->debugfs.dir);
+	key->debugfs.dir = NULL;
+}
+void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
+{
+	char buf[50];
+
+	if (!sdata->debugfsdir)
+		return;
+
+	sprintf(buf, "../keys/%d", sdata->default_key->keyidx);
+	sdata->debugfs.default_key =
+		debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
+}
+void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
+{
+	if (!sdata)
+		return;
+
+	debugfs_remove(sdata->debugfs.default_key);
+	sdata->debugfs.default_key = NULL;
+}
+void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
+				    struct sta_info *sta)
+{
+	char buf[50];
+
+	if (!key->debugfs.dir)
+		return;
+
+	sprintf(buf, "../sta/" MAC_FMT, MAC_ARG(sta->addr));
+	key->debugfs.stalink =
+		debugfs_create_symlink("station", key->debugfs.dir, buf);
+}
+
+void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
+				   struct sta_info *sta)
+{
+	debugfs_remove(key->debugfs.stalink);
+	key->debugfs.stalink = NULL;
+}

net/mac80211/debugfs_key.h

+#ifndef __MAC80211_DEBUGFS_KEY_H
+#define __MAC80211_DEBUGFS_KEY_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ieee80211_debugfs_key_add(struct ieee80211_local *local,
+			       struct ieee80211_key *key);
+void ieee80211_debugfs_key_remove(struct ieee80211_key *key);
+void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
+				    struct sta_info *sta);
+void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
+				   struct sta_info *sta);
+#else
+static inline void ieee80211_debugfs_key_add(struct ieee80211_local *local,
+					     struct ieee80211_key *key)
+{}
+static inline void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
+{}
+static inline void ieee80211_debugfs_key_add_default(
+	struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_key_remove_default(
+	struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_key_sta_link(
+	struct ieee80211_key *key, struct sta_info *sta)
+{}
+static inline void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
+						 struct sta_info *sta)
+{}
+#endif
+
+#endif /* __MAC80211_DEBUGFS_KEY_H */

net/mac80211/debugfs_netdev.h

+/* routines exported for debugfs handling */
+
+#ifndef __IEEE80211_DEBUGFS_NETDEV_H
+#define __IEEE80211_DEBUGFS_NETDEV_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata);
+void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
+				     int oldtype);
+void ieee80211_debugfs_netdev_init(void);
+void ieee80211_debugfs_netdev_exit(void);
+#else
+static inline void ieee80211_debugfs_add_netdev(
+	struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_remove_netdev(
+	struct ieee80211_sub_if_data *sdata)
+{}
+static inline void ieee80211_debugfs_change_if_type(
+	struct ieee80211_sub_if_data *sdata, int oldtype)
+{}
+static inline void ieee80211_debugfs_netdev_init(void)
+{}
+
+static inline void ieee80211_debugfs_netdev_exit(void)
+{}
+#endif
+
+#endif /* __IEEE80211_DEBUGFS_NETDEV_H */

net/mac80211/debugfs_sta.c

+/*
+ * Copyright 2003-2005	Devicescape Software, Inc.
+ * Copyright (c) 2006	Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/ieee80211.h>
+#include "ieee80211_i.h"
+#include "debugfs.h"
+#include "debugfs_sta.h"
+#include "sta_info.h"
+
+/* sta attributtes */
+
+#define STA_READ(name, buflen, field, format_string)			\
+static ssize_t sta_ ##name## _read(struct file *file,			\
+				   char __user *userbuf,		\
+				   size_t count, loff_t *ppos)		\
+{									\
+	int res;							\
+	struct sta_info *sta = file->private_data;			\
+	char buf[buflen];						\
+	res = scnprintf(buf, buflen, format_string, sta->field);	\
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+}
+#define STA_READ_D(name, field) STA_READ(name, 20, field, "%d\n")
+#define STA_READ_U(name, field) STA_READ(name, 20, field, "%u\n")
+#define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n")
+#define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
+
+#define STA_READ_RATE(name, field)					\
+static ssize_t sta_##name##_read(struct file *file,			\
+				 char __user *userbuf,			\
+				 size_t count, loff_t *ppos)		\
+{									\
+	struct sta_info *sta = file->private_data;			\
+	struct ieee80211_local *local = wdev_priv(sta->dev->ieee80211_ptr);\
+	struct ieee80211_hw_mode *mode = local->oper_hw_mode;		\
+	char buf[20];							\
+	int res = scnprintf(buf, sizeof(buf), "%d\n",			\
+			    (sta->field >= 0 &&				\
+			    sta->field < mode->num_rates) ?		\
+			    mode->rates[sta->field].rate : -1);		\
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+}
+
+#define STA_OPS(name)							\
+static const struct file_operations sta_ ##name## _ops = {		\
+	.read = sta_##name##_read,					\
+	.open = mac80211_open_file_generic,				\
+}
+
+#define STA_FILE(name, field, format)					\
+		STA_READ_##format(name, field)				\
+		STA_OPS(name)
+
+STA_FILE(aid, aid, D);
+STA_FILE(key_idx_compression, key_idx_compression, D);
+STA_FILE(dev, dev->name, S);
+STA_FILE(vlan_id, vlan_id, D);
+STA_FILE(rx_packets, rx_packets, LU);
+STA_FILE(tx_packets, tx_packets, LU);
+STA_FILE(rx_bytes, rx_bytes, LU);
+STA_FILE(tx_bytes, tx_bytes, LU);
+STA_FILE(rx_duplicates, num_duplicates, LU);
+STA_FILE(rx_fragments, rx_fragments, LU);
+STA_FILE(rx_dropped, rx_dropped, LU);
+STA_FILE(tx_fragments, tx_fragments, LU);
+STA_FILE(tx_filtered, tx_filtered_count, LU);
+STA_FILE(txrate, txrate, RATE);
+STA_FILE(last_txrate, last_txrate, RATE);
+STA_FILE(tx_retry_failed, tx_retry_failed, LU);
+STA_FILE(tx_retry_count, tx_retry_count, LU);
+STA_FILE(last_rssi, last_rssi, D);
+STA_FILE(last_signal, last_signal, D);
+STA_FILE(last_noise, last_noise, D);
+STA_FILE(channel_use, channel_use, D);
+STA_FILE(wep_weak_iv_count, wep_weak_iv_count, D);
+
+static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
+			      size_t count, loff_t *ppos)
+{
+	char buf[100];
+	struct sta_info *sta = file->private_data;
+	int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
+		sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "",
+		sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
+		sta->flags & WLAN_STA_PS ? "PS\n" : "",
+		sta->flags & WLAN_STA_TIM ? "TIM\n" : "",
+		sta->flags & WLAN_STA_PERM ? "PERM\n" : "",
+		sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
+		sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
+		sta->flags & WLAN_STA_WME ? "WME\n" : "",
+		sta->flags & WLAN_STA_WDS ? "WDS\n" : "");
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(flags);
+
+static ssize_t sta_num_ps_buf_frames_read(struct file *file,
+					  char __user *userbuf,
+					  size_t count, loff_t *ppos)
+{
+	char buf[20];
+	struct sta_info *sta = file->private_data;
+	int res = scnprintf(buf, sizeof(buf), "%u\n",
+			    skb_queue_len(&sta->ps_tx_buf));
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(num_ps_buf_frames);
+
+static ssize_t sta_last_ack_rssi_read(struct file *file, char __user *userbuf,
+				      size_t count, loff_t *ppos)
+{
+	char buf[100];
+	struct sta_info *sta = file->private_data;
+	int res = scnprintf(buf, sizeof(buf), "%d %d %d\n",
+			    sta->last_ack_rssi[0],
+			    sta->last_ack_rssi[1],
+			    sta->last_ack_rssi[2]);
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(last_ack_rssi);
+
+static ssize_t sta_last_ack_ms_read(struct file *file, char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+	char buf[20];
+	struct sta_info *sta = file->private_data;
+	int res = scnprintf(buf, sizeof(buf), "%d\n",
+			    sta->last_ack ?
+			    jiffies_to_msecs(jiffies - sta->last_ack) : -1);
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(last_ack_ms);
+
+static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+	char buf[20];
+	struct sta_info *sta = file->private_data;
+	int res = scnprintf(buf, sizeof(buf), "%d\n",
+			    jiffies_to_msecs(jiffies - sta->last_rx));
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(inactive_ms);
+
+static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
+				      size_t count, loff_t *ppos)
+{
+	char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
+	int i;
+	struct sta_info *sta = file->private_data;
+	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+		p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
+			       sta->last_seq_ctrl[i]);
+	p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(last_seq_ctrl);
+
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+static ssize_t sta_wme_rx_queue_read(struct file *file, char __user *userbuf,
+				     size_t count, loff_t *ppos)
+{
+	char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
+	int i;
+	struct sta_info *sta = file->private_data;
+	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+		p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
+			       sta->wme_rx_queue[i]);
+	p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(wme_rx_queue);
+
+static ssize_t sta_wme_tx_queue_read(struct file *file, char __user *userbuf,
+				     size_t count, loff_t *ppos)
+{
+	char buf[15*NUM_TX_DATA_QUEUES], *p = buf;
+	int i;
+	struct sta_info *sta = file->private_data;
+	for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
+		p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
+			       sta->wme_tx_queue[i]);
+	p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(wme_tx_queue);
+#endif
+
+#define DEBUGFS_ADD(name) \
+	sta->debugfs.name = debugfs_create_file(#name, 0444, \
+		sta->debugfs.dir, sta, &sta_ ##name## _ops);
+
+#define DEBUGFS_DEL(name) \
+	debugfs_remove(sta->debugfs.name);\
+	sta->debugfs.name = NULL;
+
+
+void ieee80211_sta_debugfs_add(struct sta_info *sta)
+{
+	char buf[3*6];
+	struct dentry *stations_dir = sta->local->debugfs.stations;
+
+	if (!stations_dir)
+		return;
+
+	sprintf(buf, MAC_FMT, MAC_ARG(sta->addr));
+
+	sta->debugfs.dir = debugfs_create_dir(buf, stations_dir);
+	if (!sta->debugfs.dir)
+		return;
+
+	DEBUGFS_ADD(flags);
+	DEBUGFS_ADD(num_ps_buf_frames);
+	DEBUGFS_ADD(last_ack_rssi);
+	DEBUGFS_ADD(last_ack_ms);
+	DEBUGFS_ADD(inactive_ms);
+	DEBUGFS_ADD(last_seq_ctrl);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	DEBUGFS_ADD(wme_rx_queue);
+	DEBUGFS_ADD(wme_tx_queue);
+#endif
+}
+
+void ieee80211_sta_debugfs_remove(struct sta_info *sta)
+{
+	DEBUGFS_DEL(flags);
+	DEBUGFS_DEL(num_ps_buf_frames);
+	DEBUGFS_DEL(last_ack_rssi);
+	DEBUGFS_DEL(last_ack_ms);
+	DEBUGFS_DEL(inactive_ms);
+	DEBUGFS_DEL(last_seq_ctrl);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	DEBUGFS_DEL(wme_rx_queue);
+	DEBUGFS_DEL(wme_tx_queue);
+#endif
+
+	debugfs_remove(sta->debugfs.dir);
+	sta->debugfs.dir = NULL;
+}

net/mac80211/debugfs_sta.h

+#ifndef __MAC80211_DEBUGFS_STA_H
+#define __MAC80211_DEBUGFS_STA_H
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ieee80211_sta_debugfs_add(struct sta_info *sta);
+void ieee80211_sta_debugfs_remove(struct sta_info *sta);
+#else
+static inline void ieee80211_sta_debugfs_add(struct sta_info *sta) {}
+static inline void ieee80211_sta_debugfs_remove(struct sta_info *sta) {}
+#endif
+
+#endif /* __MAC80211_DEBUGFS_STA_H */

net/mac80211/hostapd_ioctl.h

+/*
+ * Host AP (software wireless LAN access point) user space daemon for
+ * Host AP kernel driver
+ * Copyright 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 2002-2004, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef HOSTAPD_IOCTL_H
+#define HOSTAPD_IOCTL_H
+
+#ifdef __KERNEL__
+#include <linux/types.h>
+#endif /* __KERNEL__ */
+
+#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0)
+#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1)
+#define PRISM2_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 3)
+
+/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes:
+ * This table is no longer added to, the whole sub-ioctl
+ * mess shall be deleted completely. */
+enum {
+	PRISM2_PARAM_IEEE_802_1X = 23,
+	PRISM2_PARAM_ANTSEL_TX = 24,
+	PRISM2_PARAM_ANTSEL_RX = 25,
+
+	/* Instant802 additions */
+	PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES = 1001,
+	PRISM2_PARAM_DROP_UNENCRYPTED = 1002,
+	PRISM2_PARAM_PREAMBLE = 1003,
+	PRISM2_PARAM_SHORT_SLOT_TIME = 1006,
+	PRISM2_PARAM_NEXT_MODE = 1008,
+	PRISM2_PARAM_CLEAR_KEYS = 1009,
+	PRISM2_PARAM_RADIO_ENABLED = 1010,
+	PRISM2_PARAM_ANTENNA_MODE = 1013,
+	PRISM2_PARAM_STAT_TIME = 1016,
+	PRISM2_PARAM_STA_ANTENNA_SEL = 1017,
+	PRISM2_PARAM_FORCE_UNICAST_RATE = 1018,
+	PRISM2_PARAM_RATE_CTRL_NUM_UP = 1019,
+	PRISM2_PARAM_RATE_CTRL_NUM_DOWN = 1020,
+	PRISM2_PARAM_MAX_RATECTRL_RATE = 1021,
+	PRISM2_PARAM_TX_POWER_REDUCTION = 1022,
+	PRISM2_PARAM_KEY_TX_RX_THRESHOLD = 1024,
+	PRISM2_PARAM_DEFAULT_WEP_ONLY = 1026,
+	PRISM2_PARAM_WIFI_WME_NOACK_TEST = 1033,
+	PRISM2_PARAM_SCAN_FLAGS = 1035,
+	PRISM2_PARAM_HW_MODES = 1036,
+	PRISM2_PARAM_CREATE_IBSS = 1037,
+	PRISM2_PARAM_WMM_ENABLED = 1038,
+	PRISM2_PARAM_MIXED_CELL = 1039,
+	PRISM2_PARAM_RADAR_DETECT = 1043,
+	PRISM2_PARAM_SPECTRUM_MGMT = 1044,
+};
+
+enum {
+	IEEE80211_KEY_MGMT_NONE = 0,
+	IEEE80211_KEY_MGMT_IEEE8021X = 1,
+	IEEE80211_KEY_MGMT_WPA_PSK = 2,
+	IEEE80211_KEY_MGMT_WPA_EAP = 3,
+};
+
+
+/* Data structures used for get_hw_features ioctl */
+struct hostapd_ioctl_hw_modes_hdr {
+	int mode;
+	int num_channels;
+	int num_rates;
+};
+
+struct ieee80211_channel_data {
+	short chan; /* channel number (IEEE 802.11) */
+	short freq; /* frequency in MHz */
+	int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
+};
+
+struct ieee80211_rate_data {
+	int rate; /* rate in 100 kbps */
+	int flags; /* IEEE80211_RATE_ flags */
+};
+
+
+/* ADD_IF, REMOVE_IF, and UPDATE_IF 'type' argument */
+enum {
+	HOSTAP_IF_WDS = 1, HOSTAP_IF_VLAN = 2, HOSTAP_IF_BSS = 3,
+	HOSTAP_IF_STA = 4
+};
+
+struct hostapd_if_wds {
+	u8 remote_addr[ETH_ALEN];
+};
+
+struct hostapd_if_vlan {
+	u8 id;
+};
+
+struct hostapd_if_bss {
+	u8 bssid[ETH_ALEN];
+};
+
+struct hostapd_if_sta {
+};
+
+#endif /* HOSTAPD_IOCTL_H */

net/mac80211/ieee80211_cfg.c

+/*
+ * mac80211 configuration hooks for cfg80211
+ *
+ * Copyright 2006	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This file is GPLv2 as found in COPYING.
+ */
+
+#include <linux/nl80211.h>
+#include <linux/rtnetlink.h>
+#include <net/cfg80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_cfg.h"
+
+static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
+			       unsigned int type)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	int itype;
+
+	if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
+		return -ENODEV;
+
+	switch (type) {
+	case NL80211_IFTYPE_UNSPECIFIED:
+		itype = IEEE80211_IF_TYPE_STA;
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		itype = IEEE80211_IF_TYPE_IBSS;
+		break;
+	case NL80211_IFTYPE_STATION:
+		itype = IEEE80211_IF_TYPE_STA;
+		break;
+	case NL80211_IFTYPE_MONITOR:
+		itype = IEEE80211_IF_TYPE_MNTR;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return ieee80211_if_add(local->mdev, name, NULL, itype);
+}
+
+static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct net_device *dev;
+	char *name;
+
+	if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
+		return -ENODEV;
+
+	dev = dev_get_by_index(ifindex);
+	if (!dev)
+		return 0;
+
+	name = dev->name;
+	dev_put(dev);
+
+	return ieee80211_if_remove(local->mdev, name, -1);
+}
+
+struct cfg80211_ops mac80211_config_ops = {
+	.add_virtual_intf = ieee80211_add_iface,
+	.del_virtual_intf = ieee80211_del_iface,
+};

net/mac80211/ieee80211_cfg.h

+/*
+ * mac80211 configuration hooks for cfg80211
+ */
+#ifndef __IEEE80211_CFG_H
+#define __IEEE80211_CFG_H
+
+extern struct cfg80211_ops mac80211_config_ops;
+
+#endif /* __IEEE80211_CFG_H */

net/mac80211/ieee80211_common.h

+/*
+ * IEEE 802.11 driver (80211.o) -- hostapd interface
+ * Copyright 2002-2004, Instant802 Networks, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef IEEE80211_COMMON_H
+#define IEEE80211_COMMON_H
+
+#include <linux/types.h>
+
+/*
+ * This is common header information with user space. It is used on all
+ * frames sent to wlan#ap interface.
+ */
+
+#define IEEE80211_FI_VERSION 0x80211001
+
+struct ieee80211_frame_info {
+	__be32 version;
+	__be32 length;
+	__be64 mactime;
+	__be64 hosttime;
+	__be32 phytype;
+	__be32 channel;
+	__be32 datarate;
+	__be32 antenna;
+	__be32 priority;
+	__be32 ssi_type;
+	__be32 ssi_signal;
+	__be32 ssi_noise;
+	__be32 preamble;
+	__be32 encoding;
+
+	/* Note: this structure is otherwise identical to capture format used
+	 * in linux-wlan-ng, but this additional field is used to provide meta
+	 * data about the frame to hostapd. This was the easiest method for
+	 * providing this information, but this might change in the future. */
+	__be32 msg_type;
+} __attribute__ ((packed));
+
+
+enum ieee80211_msg_type {
+	ieee80211_msg_normal = 0,
+	ieee80211_msg_tx_callback_ack = 1,
+	ieee80211_msg_tx_callback_fail = 2,
+	ieee80211_msg_passive_scan = 3,
+	ieee80211_msg_wep_frame_unknown_key = 4,
+	ieee80211_msg_michael_mic_failure = 5,
+	/* hole at 6, was monitor but never sent to userspace */
+	ieee80211_msg_sta_not_assoc = 7,
+	ieee80211_msg_set_aid_for_sta = 8 /* used by Intersil MVC driver */,
+	ieee80211_msg_key_threshold_notification = 9,
+	ieee80211_msg_radar = 11,
+};
+
+struct ieee80211_msg_set_aid_for_sta {
+	char	sta_address[ETH_ALEN];
+	u16	aid;
+};
+
+struct ieee80211_msg_key_notification {
+	int tx_rx_count;
+	char ifname[IFNAMSIZ];
+	u8 addr[ETH_ALEN]; /* ff:ff:ff:ff:ff:ff for broadcast keys */
+};
+
+
+enum ieee80211_phytype {
+	ieee80211_phytype_fhss_dot11_97  = 1,
+	ieee80211_phytype_dsss_dot11_97  = 2,
+	ieee80211_phytype_irbaseband     = 3,
+	ieee80211_phytype_dsss_dot11_b   = 4,
+	ieee80211_phytype_pbcc_dot11_b   = 5,
+	ieee80211_phytype_ofdm_dot11_g   = 6,
+	ieee80211_phytype_pbcc_dot11_g   = 7,
+	ieee80211_phytype_ofdm_dot11_a   = 8,
+	ieee80211_phytype_dsss_dot11_turbog = 255,
+	ieee80211_phytype_dsss_dot11_turbo = 256,
+};
+
+enum ieee80211_ssi_type {
+	ieee80211_ssi_none = 0,
+	ieee80211_ssi_norm = 1, /* normalized, 0-1000 */
+	ieee80211_ssi_dbm = 2,
+	ieee80211_ssi_raw = 3, /* raw SSI */
+};
+
+struct ieee80211_radar_info {
+		int channel;
+		int radar;
+		int radar_type;
+};
+
+#endif /* IEEE80211_COMMON_H */

net/mac80211/ieee80211_key.h

+/*
+ * Copyright 2002-2004, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef IEEE80211_KEY_H
+#define IEEE80211_KEY_H
+
+#include <linux/types.h>
+#include <linux/kref.h>
+#include <linux/crypto.h>
+#include <net/mac80211.h>
+
+/* ALG_TKIP
+ * struct ieee80211_key::key is encoded as a 256-bit (32 byte) data block:
+ * Temporal Encryption Key (128 bits)
+ * Temporal Authenticator Tx MIC Key (64 bits)
+ * Temporal Authenticator Rx MIC Key (64 bits)
+ */
+
+#define WEP_IV_LEN 4
+#define WEP_ICV_LEN 4
+
+#define ALG_TKIP_KEY_LEN 32
+/* Starting offsets for each key */
+#define ALG_TKIP_TEMP_ENCR_KEY 0
+#define ALG_TKIP_TEMP_AUTH_TX_MIC_KEY 16
+#define ALG_TKIP_TEMP_AUTH_RX_MIC_KEY 24
+#define TKIP_IV_LEN 8
+#define TKIP_ICV_LEN 4
+
+#define ALG_CCMP_KEY_LEN 16
+#define CCMP_HDR_LEN 8
+#define CCMP_MIC_LEN 8
+#define CCMP_TK_LEN 16
+#define CCMP_PN_LEN 6
+
+#define NUM_RX_DATA_QUEUES 17
+
+struct ieee80211_key {
+	struct kref kref;
+
+	int hw_key_idx; /* filled and used by low-level driver */
+	ieee80211_key_alg alg;
+	union {
+		struct {
+			/* last used TSC */
+			u32 iv32;
+			u16 iv16;
+			u16 p1k[5];
+			int tx_initialized;
+
+			/* last received RSC */
+			u32 iv32_rx[NUM_RX_DATA_QUEUES];
+			u16 iv16_rx[NUM_RX_DATA_QUEUES];
+			u16 p1k_rx[NUM_RX_DATA_QUEUES][5];
+			int rx_initialized[NUM_RX_DATA_QUEUES];
+		} tkip;
+		struct {
+			u8 tx_pn[6];
+			u8 rx_pn[NUM_RX_DATA_QUEUES][6];
+			struct crypto_cipher *tfm;
+			u32 replays; /* dot11RSNAStatsCCMPReplays */
+			/* scratch buffers for virt_to_page() (crypto API) */
+#ifndef AES_BLOCK_LEN
+#define AES_BLOCK_LEN 16
+#endif
+			u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
+			u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
+		} ccmp;
+	} u;
+	int tx_rx_count; /* number of times this key has been used */
+	int keylen;
+
+	/* if the low level driver can provide hardware acceleration it should
+	 * clear this flag */
+	unsigned int force_sw_encrypt:1;
+	unsigned int default_tx_key:1; /* This key is the new default TX key
+					* (used only for broadcast keys). */
+	s8 keyidx; /* WEP key index */
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct {
+		struct dentry *stalink;
+		struct dentry *dir;
+		struct dentry *keylen;
+		struct dentry *force_sw_encrypt;
+		struct dentry *keyidx;
+		struct dentry *hw_key_idx;
+		struct dentry *tx_rx_count;
+		struct dentry *algorithm;
+		struct dentry *tx_spec;
+		struct dentry *rx_spec;
+		struct dentry *replays;
+		struct dentry *key;
+	} debugfs;
+#endif
+
+	u8 key[0];
+};
+
+#endif /* IEEE80211_KEY_H */

net/mac80211/ieee80211_led.c

+/*
+ * Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* just for IFNAMSIZ */
+#include <linux/if.h>
+#include "ieee80211_led.h"
+
+void ieee80211_led_rx(struct ieee80211_local *local)
+{
+	if (unlikely(!local->rx_led))
+		return;
+	if (local->rx_led_counter++ % 2 == 0)
+		led_trigger_event(local->rx_led, LED_OFF);
+	else
+		led_trigger_event(local->rx_led, LED_FULL);
+}
+
+/* q is 1 if a packet was enqueued, 0 if it has been transmitted */
+void ieee80211_led_tx(struct ieee80211_local *local, int q)
+{
+	if (unlikely(!local->tx_led))
+		return;
+	/* not sure how this is supposed to work ... */
+	local->tx_led_counter += 2*q-1;
+	if (local->tx_led_counter % 2 == 0)
+		led_trigger_event(local->tx_led, LED_OFF);
+	else
+		led_trigger_event(local->tx_led, LED_FULL);
+}
+
+void ieee80211_led_init(struct ieee80211_local *local)
+{
+	local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
+	if (!local->rx_led)
+		return;
+	snprintf(local->rx_led_name, sizeof(local->rx_led_name),
+		 "%srx", wiphy_name(local->hw.wiphy));
+	local->rx_led->name = local->rx_led_name;
+	if (led_trigger_register(local->rx_led)) {
+		kfree(local->rx_led);
+		local->rx_led = NULL;
+	}
+
+	local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
+	if (!local->tx_led)
+		return;
+	snprintf(local->tx_led_name, sizeof(local->tx_led_name),
+		 "%stx", wiphy_name(local->hw.wiphy));
+	local->tx_led->name = local->tx_led_name;
+	if (led_trigger_register(local->tx_led)) {
+		kfree(local->tx_led);
+		local->tx_led = NULL;
+	}
+}
+
+void ieee80211_led_exit(struct ieee80211_local *local)
+{
+	if (local->tx_led) {
+		led_trigger_unregister(local->tx_led);
+		kfree(local->tx_led);
+	}
+	if (local->rx_led) {
+		led_trigger_unregister(local->rx_led);
+		kfree(local->rx_led);
+	}
+}
+
+char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+
+	if (local->tx_led)
+		return local->tx_led_name;
+	return NULL;
+}
+EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
+
+char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+
+	if (local->rx_led)
+		return local->rx_led_name;
+	return NULL;
+}
+EXPORT_SYMBOL(__ieee80211_get_rx_led_name);

net/mac80211/ieee80211_led.h

+/*
+ * Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/leds.h>
+#include "ieee80211_i.h"
+
+#ifdef CONFIG_MAC80211_LEDS
+extern void ieee80211_led_rx(struct ieee80211_local *local);
+extern void ieee80211_led_tx(struct ieee80211_local *local, int q);
+extern void ieee80211_led_init(struct ieee80211_local *local);
+extern void ieee80211_led_exit(struct ieee80211_local *local);
+#else
+static inline void ieee80211_led_rx(struct ieee80211_local *local)
+{
+}
+static inline void ieee80211_led_tx(struct ieee80211_local *local, int q)
+{
+}
+static inline void ieee80211_led_init(struct ieee80211_local *local)
+{
+}
+static inline void ieee80211_led_exit(struct ieee80211_local *local)
+{
+}
+#endif

net/mac80211/michael.c

+/*
+ * Michael MIC implementation - optimized for TKIP MIC operations
+ * Copyright 2002-2003, Instant802 Networks, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+
+#include "michael.h"
+
+static inline u32 rotr(u32 val, int bits)
+{
+	return (val >> bits) | (val << (32 - bits));
+}
+
+
+static inline u32 rotl(u32 val, int bits)
+{
+	return (val << bits) | (val >> (32 - bits));
+}
+
+
+static inline u32 xswap(u32 val)
+{
+	return ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8);
+}
+
+
+#define michael_block(l, r) \
+do { \
+	r ^= rotl(l, 17); \
+	l += r; \
+	r ^= xswap(l); \
+	l += r; \
+	r ^= rotl(l, 3); \
+	l += r; \
+	r ^= rotr(l, 2); \
+	l += r; \
+} while (0)
+
+
+static inline u32 michael_get32(u8 *data)
+{
+	return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
+}
+
+
+static inline void michael_put32(u32 val, u8 *data)
+{
+	data[0] = val & 0xff;
+	data[1] = (val >> 8) & 0xff;
+	data[2] = (val >> 16) & 0xff;
+	data[3] = (val >> 24) & 0xff;
+}
+
+
+void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority,
+		 u8 *data, size_t data_len, u8 *mic)
+{
+	u32 l, r, val;
+	size_t block, blocks, left;
+
+	l = michael_get32(key);
+	r = michael_get32(key + 4);
+
+	/* A pseudo header (DA, SA, Priority, 0, 0, 0) is used in Michael MIC
+	 * calculation, but it is _not_ transmitted */
+	l ^= michael_get32(da);
+	michael_block(l, r);
+	l ^= da[4] | (da[5] << 8) | (sa[0] << 16) | (sa[1] << 24);
+	michael_block(l, r);
+	l ^= michael_get32(&sa[2]);
+	michael_block(l, r);
+	l ^= priority;
+	michael_block(l, r);
+
+	/* Real data */
+	blocks = data_len / 4;
+	left = data_len % 4;
+
+	for (block = 0; block < blocks; block++) {
+		l ^= michael_get32(&data[block * 4]);
+		michael_block(l, r);
+	}
+
+	/* Partial block of 0..3 bytes and padding: 0x5a + 4..7 zeros to make
+	 * total length a multiple of 4. */
+	val = 0x5a;
+	while (left > 0) {
+		val <<= 8;
+		left--;
+		val |= data[blocks * 4 + left];
+	}
+	l ^= val;
+	michael_block(l, r);
+	/* last block is zero, so l ^ 0 = l */
+	michael_block(l, r);
+
+	michael_put32(l, mic);
+	michael_put32(r, mic + 4);
+}