New: mac80211 stack from the wireless-dev tree

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7692 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/mac80211/Makefile

@@ -0,0 +1,62 @@
+# 
+# Copyright (C) 2007 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+# $Id: Makefile 7440 2007-06-02 02:22:01Z nbd $
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=mac80211
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/mac80211
+  SUBMENU:=Wireless Drivers
+  TITLE:=DeviceScape 802.11 Wireless Networking Stack
+  DEPENDS:=@LINUX_2_6 +kmod-ieee80211
+  DESCRIPTION:=\
+	This package contains the DeviceScape 80211 wireless stack.
+  VERSION:=$(PKG_RELEASE)+$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)
+  FILES:= \
+	$(PKG_BUILD_DIR)/mac80211/mac80211.$(LINUX_KMOD_SUFFIX) \
+	$(PKG_BUILD_DIR)/mac80211/rc80211_lowest.$(LINUX_KMOD_SUFFIX) \
+	$(PKG_BUILD_DIR)/mac80211/rc80211_simple.$(LINUX_KMOD_SUFFIX) \
+	$(PKG_BUILD_DIR)/wireless/cfg80211.$(LINUX_KMOD_SUFFIX)
+  AUTOLOAD:=$(call AutoLoad,20,cfg80211 mac80211 rc80211_lowest rc80211_simple)
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)/mac80211
+	$(CP) ./src/mac80211/* $(PKG_BUILD_DIR)/mac80211/
+	mkdir -p $(PKG_BUILD_DIR)/wireless
+	$(CP) ./src/wireless/* $(PKG_BUILD_DIR)/wireless/
+endef
+
+MAKE_OPTS:=-C "$(LINUX_DIR)" \
+	CROSS_COMPILE="$(TARGET_CROSS)" \
+	ARCH="$(LINUX_KARCH)" \
+	EXTRA_CFLAGS="$(BUILDFLAGS)"
+
+define Build/Compile
+	$(MAKE) $(MAKE_OPTS) SUBDIRS="$(PKG_BUILD_DIR)/wireless" modules
+	$(MAKE) $(MAKE_OPTS) SUBDIRS="$(PKG_BUILD_DIR)/mac80211" modules
+endef
+
+#define Build/InstallDev
+#	mkdir -p $(STAGING_DIR)/usr/include/madwifi
+#	$(CP) $(PKG_BUILD_DIR)/include $(STAGING_DIR)/usr/include/madwifi/
+#	mkdir -p $(STAGING_DIR)/usr/include/madwifi/net80211
+#	$(CP) $(PKG_BUILD_DIR)/net80211/*.h $(STAGING_DIR)/usr/include/madwifi/net80211/
+#endef
+
+#define Build/UninstallDev
+#	rm -rf	$(STAGING_DIR)/usr/include/madwifi
+#endef
+
+$(eval $(call KernelPackage,mac80211))

package/mac80211/src/mac80211/Kconfig

@@ -0,0 +1,82 @@
+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 HOSTAPD_WPA_TESTING
+	bool "Support for TKIP countermeasures testing"
+	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.

package/mac80211/src/mac80211/Makefile

@@ -0,0 +1,20 @@
+obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o rc80211_lowest.o
+
+mac80211-objs-$(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)

package/mac80211/src/mac80211/aes_ccm.c

@@ -0,0 +1,155 @@
+/*
+ * 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);
+}

package/mac80211/src/mac80211/aes_ccm.h

@@ -0,0 +1,26 @@
+/*
+ * 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 */

package/mac80211/src/mac80211/debugfs.c

@@ -0,0 +1,466 @@
+/*
+ * mac80211 debugfs for wireless PHYs
+ *
+ * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * GPLv2
+ *
+ */
+
+#include <linux/debugfs.h>
+#include <linux/rtnetlink.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "debugfs.h"
+
+static inline int rtnl_lock_local(struct ieee80211_local *local)
+{
+	rtnl_lock();
+	if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) {
+		rtnl_unlock();
+		return -ENODEV;
+	}
+	return 0;
+}
+
+int mac80211_open_file_generic(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+	return 0;
+}
+
+static const char *ieee80211_mode_str(int mode)
+{
+	switch (mode) {
+	case MODE_IEEE80211A:
+		return "IEEE 802.11a";
+	case MODE_IEEE80211B:
+		return "IEEE 802.11b";
+	case MODE_IEEE80211G:
+		return "IEEE 802.11g";
+	case MODE_ATHEROS_TURBO:
+		return "Atheros Turbo (5 GHz)";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+static ssize_t modes_read(struct file *file, char __user *userbuf,
+			  size_t count, loff_t *ppos)
+{
+	struct ieee80211_local *local = file->private_data;
+	struct ieee80211_hw_mode *mode;
+	char buf[150], *p = buf;
+
+	/* FIXME: locking! */
+	list_for_each_entry(mode, &local->modes_list, list) {
+		p += scnprintf(p, sizeof(buf)+buf-p,
+			       "%s\n", ieee80211_mode_str(mode->mode));
+	}
+
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
+}
+
+static const struct file_operations modes_ops = {
+	.read = modes_read,
+	.open = mac80211_open_file_generic,
+};
+
+#define DEBUGFS_READ(name, buflen, fmt, value...)			\
+static ssize_t name## _read(struct file *file, char __user *userbuf,	\
+			    size_t count, loff_t *ppos)			\
+{									\
+	struct ieee80211_local *local = file->private_data;		\
+	char buf[buflen];						\
+	int res;							\
+									\
+	res = scnprintf(buf, buflen, fmt "\n", ##value);		\
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+}									\
+
+#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)		\
+DEBUGFS_READ(name, buflen, fmt, ## value)				\
+static const struct file_operations name## _ops = {			\
+	.read = name## _read,						\
+	.open = mac80211_open_file_generic,				\
+};
+
+#define DEBUGFS_ADD_MODE(name, mode)					\
+	local->debugfs.name = debugfs_create_file(#name, mode, phyd,	\
+						  local, &name## _ops);
+
+#define DEBUGFS_ADD(name)	DEBUGFS_ADD_MODE(name, 0444)
+
+#define DEBUGFS_DEL(name)						\
+	debugfs_remove(local->debugfs.name);				\
+	local->debugfs.name = NULL;
+
+
+DEBUGFS_READONLY_FILE(channel, 20, "%d",
+		      local->hw.conf.channel);
+DEBUGFS_READONLY_FILE(frequency, 20, "%d",
+		      local->hw.conf.freq);
+DEBUGFS_READONLY_FILE(radar_detect, 20, "%d",
+		      local->hw.conf.radar_detect);
+DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
+		      local->hw.conf.antenna_sel_tx);
+DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
+		      local->hw.conf.antenna_sel_rx);
+DEBUGFS_READONLY_FILE(bridge_packets, 20, "%d",
+		      local->bridge_packets);
+DEBUGFS_READONLY_FILE(key_tx_rx_threshold, 20, "%d",
+		      local->key_tx_rx_threshold);
+DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
+		      local->rts_threshold);
+DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
+		      local->fragmentation_threshold);
+DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
+		      local->short_retry_limit);
+DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
+		      local->long_retry_limit);
+DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
+		      local->total_ps_buffered);
+DEBUGFS_READONLY_FILE(mode, 20, "%s",
+		      ieee80211_mode_str(local->hw.conf.phymode));
+DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
+		      local->wep_iv & 0xffffff);
+DEBUGFS_READONLY_FILE(tx_power_reduction, 20, "%d.%d dBm",
+		      local->hw.conf.tx_power_reduction / 10,
+		      local->hw.conf.tx_power_reduction & 10);
+
+DEBUGFS_READ(rate_ctrl_alg, 100, "%s",
+	     local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
+
+static ssize_t rate_ctrl_alg_write(struct file *file, const char __user *userbuf,
+				   size_t count, loff_t *ppos)
+{
+	struct ieee80211_local *local = file->private_data;
+	char buf[64];
+	ssize_t buf_size;
+	int res;
+
+	buf_size = min(count, ARRAY_SIZE(buf) - 1);
+	if (copy_from_user(buf, userbuf, buf_size))
+		return -EFAULT;
+	buf[buf_size] = '\0';
+	res = rtnl_lock_local(local);
+	if (res)
+		return res;
+	res = ieee80211_init_rate_ctrl_alg(local, buf);
+	rtnl_unlock();
+	return res < 0 ? res : buf_size;
+}
+
+static const struct file_operations rate_ctrl_alg_ops = {
+	.read = rate_ctrl_alg_read,
+	.write = rate_ctrl_alg_write,
+	.open = mac80211_open_file_generic,
+};
+
+/* statistics stuff */
+
+#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...)			\
+	DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
+
+static ssize_t format_devstat_counter(struct ieee80211_local *local,
+	char __user *userbuf,
+	size_t count, loff_t *ppos,
+	int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
+			  int buflen))
+{
+	struct ieee80211_low_level_stats stats;
+	char buf[20];
+	int res;
+
+	if (!local->ops->get_stats)
+		return -EOPNOTSUPP;
+
+	res = rtnl_lock_local(local);
+	if (res)
+		return res;
+
+	res = local->ops->get_stats(local_to_hw(local), &stats);
+	rtnl_unlock();
+	if (!res)
+		res = printvalue(&stats, buf, sizeof(buf));
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+
+#define DEBUGFS_DEVSTATS_FILE(name)					\
+static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
+				 char *buf, int buflen)			\
+{									\
+	return scnprintf(buf, buflen, "%u\n", stats->name);		\
+}									\
+static ssize_t stats_ ##name## _read(struct file *file,			\
+				     char __user *userbuf,		\
+				     size_t count, loff_t *ppos)	\
+{									\
+	return format_devstat_counter(file->private_data,		\
+				      userbuf,				\
+				      count,				\
+				      ppos,				\
+				      print_devstats_##name);		\
+}									\
+									\
+static const struct file_operations stats_ ##name## _ops = {		\
+	.read = stats_ ##name## _read,					\
+	.open = mac80211_open_file_generic,				\
+};
+
+#define DEBUGFS_STATS_ADD(name)						\
+	local->debugfs.stats.name = debugfs_create_file(#name, 0444, statsd,\
+		local, &stats_ ##name## _ops);
+
+#define DEBUGFS_STATS_DEL(name)						\
+	debugfs_remove(local->debugfs.stats.name);			\
+	local->debugfs.stats.name = NULL;
+
+DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
+		   local->dot11TransmittedFragmentCount);
+DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
+		   local->dot11MulticastTransmittedFrameCount);
+DEBUGFS_STATS_FILE(failed_count, 20, "%u",
+		   local->dot11FailedCount);
+DEBUGFS_STATS_FILE(retry_count, 20, "%u",
+		   local->dot11RetryCount);
+DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
+		   local->dot11MultipleRetryCount);
+DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
+		   local->dot11FrameDuplicateCount);
+DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
+		   local->dot11ReceivedFragmentCount);
+DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
+		   local->dot11MulticastReceivedFrameCount);
+DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
+		   local->dot11TransmittedFrameCount);
+DEBUGFS_STATS_FILE(wep_undecryptable_count, 20, "%u",
+		   local->dot11WEPUndecryptableCount);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
+		   local->tx_handlers_drop);
+DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
+		   local->tx_handlers_queued);
+DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
+		   local->tx_handlers_drop_unencrypted);
+DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
+		   local->tx_handlers_drop_fragment);
+DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
+		   local->tx_handlers_drop_wep);
+DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
+		   local->tx_handlers_drop_not_assoc);
+DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
+		   local->tx_handlers_drop_unauth_port);
+DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
+		   local->rx_handlers_drop);
+DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
+		   local->rx_handlers_queued);
+DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
+		   local->rx_handlers_drop_nullfunc);
+DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
+		   local->rx_handlers_drop_defrag);
+DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
+		   local->rx_handlers_drop_short);
+DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
+		   local->rx_handlers_drop_passive_scan);
+DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
+		   local->tx_expand_skb_head);
+DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
+		   local->tx_expand_skb_head_cloned);
+DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
+		   local->rx_expand_skb_head);
+DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
+		   local->rx_expand_skb_head2);
+DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
+		   local->rx_handlers_fragments);
+DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
+		   local->tx_status_drop);
+
+static ssize_t stats_wme_rx_queue_read(struct file *file,
+				       char __user *userbuf,
+				       size_t count, loff_t *ppos)
+{
+	struct ieee80211_local *local = file->private_data;
+	char buf[NUM_RX_DATA_QUEUES*15], *p = buf;
+	int i;
+
+	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+		p += scnprintf(p, sizeof(buf)+buf-p,
+			       "%u\n", local->wme_rx_queue[i]);
+
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
+}
+
+static const struct file_operations stats_wme_rx_queue_ops = {
+	.read = stats_wme_rx_queue_read,
+	.open = mac80211_open_file_generic,
+};
+
+static ssize_t stats_wme_tx_queue_read(struct file *file,
+				       char __user *userbuf,
+				       size_t count, loff_t *ppos)
+{
+	struct ieee80211_local *local = file->private_data;
+	char buf[NUM_TX_DATA_QUEUES*15], *p = buf;
+	int i;
+
+	for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
+		p += scnprintf(p, sizeof(buf)+buf-p,
+			       "%u\n", local->wme_tx_queue[i]);
+
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
+}
+
+static const struct file_operations stats_wme_tx_queue_ops = {
+	.read = stats_wme_tx_queue_read,
+	.open = mac80211_open_file_generic,
+};
+#endif
+
+DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
+DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
+DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
+DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
+
+
+void debugfs_hw_add(struct ieee80211_local *local)
+{
+	struct dentry *phyd = local->hw.wiphy->debugfsdir;
+	struct dentry *statsd;
+
+	if (!phyd)
+		return;
+
+	local->debugfs.stations = debugfs_create_dir("stations", phyd);
+	local->debugfs.keys = debugfs_create_dir("keys", phyd);
+
+	DEBUGFS_ADD(channel);
+	DEBUGFS_ADD(frequency);
+	DEBUGFS_ADD(radar_detect);
+	DEBUGFS_ADD(antenna_sel_tx);
+	DEBUGFS_ADD(antenna_sel_rx);
+	DEBUGFS_ADD(bridge_packets);
+	DEBUGFS_ADD(key_tx_rx_threshold);
+	DEBUGFS_ADD(rts_threshold);
+	DEBUGFS_ADD(fragmentation_threshold);
+	DEBUGFS_ADD(short_retry_limit);
+	DEBUGFS_ADD(long_retry_limit);
+	DEBUGFS_ADD(total_ps_buffered);
+	DEBUGFS_ADD(mode);
+	DEBUGFS_ADD(wep_iv);
+	DEBUGFS_ADD(tx_power_reduction);
+	DEBUGFS_ADD_MODE(rate_ctrl_alg, 0644);
+	DEBUGFS_ADD(modes);
+
+	statsd = debugfs_create_dir("statistics", phyd);
+	local->debugfs.statistics = statsd;
+
+	/* if the dir failed, don't put all the other things into the root! */
+	if (!statsd)
+		return;
+
+	DEBUGFS_STATS_ADD(transmitted_fragment_count);
+	DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
+	DEBUGFS_STATS_ADD(failed_count);
+	DEBUGFS_STATS_ADD(retry_count);
+	DEBUGFS_STATS_ADD(multiple_retry_count);
+	DEBUGFS_STATS_ADD(frame_duplicate_count);
+	DEBUGFS_STATS_ADD(received_fragment_count);
+	DEBUGFS_STATS_ADD(multicast_received_frame_count);
+	DEBUGFS_STATS_ADD(transmitted_frame_count);
+	DEBUGFS_STATS_ADD(wep_undecryptable_count);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	DEBUGFS_STATS_ADD(tx_handlers_drop);
+	DEBUGFS_STATS_ADD(tx_handlers_queued);
+	DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
+	DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
+	DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
+	DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
+	DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
+	DEBUGFS_STATS_ADD(rx_handlers_drop);
+	DEBUGFS_STATS_ADD(rx_handlers_queued);
+	DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
+	DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
+	DEBUGFS_STATS_ADD(rx_handlers_drop_short);
+	DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan);
+	DEBUGFS_STATS_ADD(tx_expand_skb_head);
+	DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
+	DEBUGFS_STATS_ADD(rx_expand_skb_head);
+	DEBUGFS_STATS_ADD(rx_expand_skb_head2);
+	DEBUGFS_STATS_ADD(rx_handlers_fragments);
+	DEBUGFS_STATS_ADD(tx_status_drop);
+	DEBUGFS_STATS_ADD(wme_tx_queue);
+	DEBUGFS_STATS_ADD(wme_rx_queue);
+#endif
+	DEBUGFS_STATS_ADD(dot11ACKFailureCount);
+	DEBUGFS_STATS_ADD(dot11RTSFailureCount);
+	DEBUGFS_STATS_ADD(dot11FCSErrorCount);
+	DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
+}
+
+void debugfs_hw_del(struct ieee80211_local *local)
+{
+	DEBUGFS_DEL(channel);
+	DEBUGFS_DEL(frequency);
+	DEBUGFS_DEL(radar_detect);
+	DEBUGFS_DEL(antenna_sel_tx);
+	DEBUGFS_DEL(antenna_sel_rx);
+	DEBUGFS_DEL(bridge_packets);
+	DEBUGFS_DEL(key_tx_rx_threshold);
+	DEBUGFS_DEL(rts_threshold);
+	DEBUGFS_DEL(fragmentation_threshold);
+	DEBUGFS_DEL(short_retry_limit);
+	DEBUGFS_DEL(long_retry_limit);
+	DEBUGFS_DEL(total_ps_buffered);
+	DEBUGFS_DEL(mode);
+	DEBUGFS_DEL(wep_iv);
+	DEBUGFS_DEL(tx_power_reduction);
+	DEBUGFS_DEL(rate_ctrl_alg);
+	DEBUGFS_DEL(modes);
+
+	DEBUGFS_STATS_DEL(transmitted_fragment_count);
+	DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
+	DEBUGFS_STATS_DEL(failed_count);
+	DEBUGFS_STATS_DEL(retry_count);
+	DEBUGFS_STATS_DEL(multiple_retry_count);
+	DEBUGFS_STATS_DEL(frame_duplicate_count);
+	DEBUGFS_STATS_DEL(received_fragment_count);
+	DEBUGFS_STATS_DEL(multicast_received_frame_count);
+	DEBUGFS_STATS_DEL(transmitted_frame_count);
+	DEBUGFS_STATS_DEL(wep_undecryptable_count);
+	DEBUGFS_STATS_DEL(num_scans);
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	DEBUGFS_STATS_DEL(tx_handlers_drop);
+	DEBUGFS_STATS_DEL(tx_handlers_queued);
+	DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
+	DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
+	DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
+	DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
+	DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
+	DEBUGFS_STATS_DEL(rx_handlers_drop);
+	DEBUGFS_STATS_DEL(rx_handlers_queued);
+	DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
+	DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
+	DEBUGFS_STATS_DEL(rx_handlers_drop_short);
+	DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
+	DEBUGFS_STATS_DEL(tx_expand_skb_head);
+	DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
+	DEBUGFS_STATS_DEL(rx_expand_skb_head);
+	DEBUGFS_STATS_DEL(rx_expand_skb_head2);
+	DEBUGFS_STATS_DEL(rx_handlers_fragments);
+	DEBUGFS_STATS_DEL(tx_status_drop);
+	DEBUGFS_STATS_DEL(wme_tx_queue);
+	DEBUGFS_STATS_DEL(wme_rx_queue);
+#endif
+	DEBUGFS_STATS_DEL(dot11ACKFailureCount);
+	DEBUGFS_STATS_DEL(dot11RTSFailureCount);
+	DEBUGFS_STATS_DEL(dot11FCSErrorCount);
+	DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
+
+	debugfs_remove(local->debugfs.statistics);
+	local->debugfs.statistics = NULL;
+	debugfs_remove(local->debugfs.stations);
+	local->debugfs.stations = NULL;
+	debugfs_remove(local->debugfs.keys);
+	local->debugfs.keys = NULL;
+}

package/mac80211/src/mac80211/debugfs.h

@@ -0,0 +1,16 @@
+#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 */

package/mac80211/src/mac80211/debugfs_key.c

@@ -0,0 +1,252 @@
+/*
+ * 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;
+}

package/mac80211/src/mac80211/debugfs_key.h

@@ -0,0 +1,34 @@
+#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 */

package/mac80211/src/mac80211/debugfs_netdev.c

@@ -0,0 +1,780 @@
+/*
+ * 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/kernel.h>
+#include <linux/device.h>
+#include <linux/if.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/notifier.h>
+#include <net/mac80211.h>
+#include <net/cfg80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "debugfs.h"
+#include "debugfs_netdev.h"
+
+static ssize_t ieee80211_if_read(
+	struct ieee80211_sub_if_data *sdata,
+	char __user *userbuf,
+	size_t count, loff_t *ppos,
+	ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
+{
+	char buf[70];
+	ssize_t ret = -EINVAL;
+
+	read_lock(&dev_base_lock);
+	if (sdata->dev->reg_state == NETREG_REGISTERED) {
+		ret = (*format)(sdata, buf, sizeof(buf));
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
+	}
+	read_unlock(&dev_base_lock);
+	return ret;
+}
+
+#define IEEE80211_IF_FMT(name, field, format_string)			\
+static ssize_t ieee80211_if_fmt_##name(					\
+	const struct ieee80211_sub_if_data *sdata, char *buf,		\
+	int buflen)							\
+{									\
+	return scnprintf(buf, buflen, format_string, sdata->field);	\
+}
+#define IEEE80211_IF_FMT_DEC(name, field)				\
+		IEEE80211_IF_FMT(name, field, "%d\n")
+#define IEEE80211_IF_FMT_HEX(name, field)				\
+		IEEE80211_IF_FMT(name, field, "%#x\n")
+#define IEEE80211_IF_FMT_SIZE(name, field)				\
+		IEEE80211_IF_FMT(name, field, "%zd\n")
+
+#define IEEE80211_IF_FMT_ATOMIC(name, field)				\
+static ssize_t ieee80211_if_fmt_##name(					\
+	const struct ieee80211_sub_if_data *sdata,			\
+	char *buf, int buflen)						\
+{									\
+	return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
+}
+
+#define IEEE80211_IF_FMT_MAC(name, field)				\
+static ssize_t ieee80211_if_fmt_##name(					\
+	const struct ieee80211_sub_if_data *sdata, char *buf,		\
+	int buflen)							\
+{									\
+	return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(sdata->field));\
+}
+
+#define __IEEE80211_IF_FILE(name)					\
+static ssize_t ieee80211_if_read_##name(struct file *file,		\
+					char __user *userbuf,		\
+					size_t count, loff_t *ppos)	\
+{									\
+	return ieee80211_if_read(file->private_data,			\
+				 userbuf, count, ppos,			\
+				 ieee80211_if_fmt_##name);		\
+}									\
+static const struct file_operations name##_ops = {			\
+	.read = ieee80211_if_read_##name,				\
+	.open = mac80211_open_file_generic,				\
+}
+
+#define IEEE80211_IF_FILE(name, field, format)				\
+		IEEE80211_IF_FMT_##format(name, field)			\
+		__IEEE80211_IF_FILE(name)
+
+static struct ieee80211_elem_tspec _tspec = {
+	.nominal_msdu_size = 200,
+	.inactivity_interval = 40,
+	.mean_data_rate = 40000,
+	.min_phy_rate = 6000000,
+	.surplus_band_allow = 8192,
+	.medium_time = 30,
+};
+static u8 _dls_mac[ETH_ALEN];
+
+#define DEBUGFS_QOS_FILE(name, f)					\
+static ssize_t qos_ ##name## _write(struct file *file,			\
+				    const char __user *userbuf,		\
+				    size_t count, loff_t *ppos)		\
+{									\
+	struct ieee80211_sub_if_data *sdata = file->private_data;	\
+									\
+	f(sdata->dev, &sdata->u.sta, &_tspec);				\
+									\
+	return count;							\
+}									\
+									\
+static const struct file_operations qos_ ##name## _ops = {		\
+	.write = qos_ ##name## _write,					\
+	.open = mac80211_open_file_generic,				\
+};
+
+#define DEBUGFS_QOS_ADD(name)						\
+	sdata->debugfs.sta.qos.name = debugfs_create_file(#name, 0444, qosd,\
+		sdata, &qos_ ##name## _ops);
+
+#define DEBUGFS_QOS_DEL(name)						\
+	do {								\
+		debugfs_remove(sdata->debugfs.sta.qos.name);		\
+		sdata->debugfs.sta.qos.name = NULL;			\
+	} while (0)
+
+DEBUGFS_QOS_FILE(addts_11e, ieee80211_send_addts);
+DEBUGFS_QOS_FILE(addts_wmm, wmm_send_addts);
+DEBUGFS_QOS_FILE(delts_11e, ieee80211_send_delts);
+DEBUGFS_QOS_FILE(delts_wmm, wmm_send_delts);
+
+static ssize_t qos_if_dls_mac(const struct ieee80211_sub_if_data *sdata,
+			      char *buf, int buflen)
+{
+	return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(_dls_mac));
+}
+
+static ssize_t qos_dls_mac_read(struct file *file,
+				char __user *userbuf,
+				size_t count, loff_t *ppos)
+{
+	return ieee80211_if_read(file->private_data,
+				 userbuf, count, ppos,
+				 qos_if_dls_mac);
+}
+
+static ssize_t qos_dls_mac_write(struct file *file, const char __user *userbuf,
+				 size_t count, loff_t *ppos)
+{
+	struct ieee80211_sub_if_data *sdata = file->private_data;
+	char buf[20];
+	size_t size;
+	u8 m[ETH_ALEN];
+
+	size = min(sizeof(buf) - 1, count);
+	buf[size] = '\0';
+	if (copy_from_user(buf, userbuf, size))
+		return -EFAULT;
+
+	if (sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+		   &((u8*)(m))[0], &((u8*)(m))[1], &((u8*)(m))[2],
+		   &((u8*)(m))[3], &((u8*)(m))[4], &((u8*)(m))[5]) != ETH_ALEN){
+		printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
+		return -EINVAL;
+	}
+	memcpy(_dls_mac, m, ETH_ALEN);
+	return count;
+}
+
+static const struct file_operations qos_dls_mac_ops = {
+	.read = qos_dls_mac_read,
+	.write = qos_dls_mac_write,
+	.open = mac80211_open_file_generic,
+};
+
+static ssize_t qos_if_dls_op(const struct ieee80211_sub_if_data *sdata,
+			     char *buf, int buflen)
+{
+	return scnprintf(buf, buflen,
+			 "DLS Operation: Setup = 1; Teardown = 2\n");
+}
+
+static ssize_t qos_dls_op_read(struct file *file, char __user *userbuf,
+			       size_t count, loff_t *ppos)
+{
+	return ieee80211_if_read(file->private_data,
+				 userbuf, count, ppos,
+				 qos_if_dls_op);
+}
+
+static ssize_t qos_dls_op_write(struct file *file, const char __user *userbuf,
+				 size_t count, loff_t *ppos)
+{
+	struct ieee80211_sub_if_data *sdata = file->private_data;
+	char buf[20];
+	size_t size;
+	unsigned int opt;
+
+	size = min(sizeof(buf) - 1, count);
+	buf[size] = '\0';
+	if (copy_from_user(buf, userbuf, size))
+		return -EFAULT;
+
+	if (sscanf(buf, "%u", &opt) != 1) {
+		printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
+		return -EINVAL;
+	}
+	switch (opt) {
+	case 1:
+		ieee80211_send_dls_req(sdata->dev, &sdata->u.sta, _dls_mac, 0);
+		break;
+	case 2:
+		ieee80211_send_dls_teardown(sdata->dev, &sdata->u.sta, _dls_mac,
+					    WLAN_REASON_QSTA_NOT_USE);
+		break;
+	default:
+		printk(KERN_ERR "Unknown DLS Operation: %d\n", opt);
+		break;
+	}
+	return count;
+}
+
+static const struct file_operations qos_dls_op_ops = {
+	.read = qos_dls_op_read,
+	.write = qos_dls_op_write,
+	.open = mac80211_open_file_generic,
+};
+
+#define DEBUGFS_TSINFO_FILE(_name, min_val, max_val)			\
+static ssize_t tsinfo_ ##_name## _read(struct file *file,		\
+				       char __user *userbuf,		\
+				       size_t count, loff_t *ppos)	\
+{									\
+	char buf[20];							\
+	int res = scnprintf(buf, count, "%u\n",				\
+			IEEE80211_TSINFO_## _name (_tspec.ts_info));	\
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+}									\
+									\
+static ssize_t tsinfo_ ##_name## _write(struct file *file,		\
+				        const char __user *userbuf,	\
+				        size_t count, loff_t *ppos)	\
+{									\
+	char buf[20];							\
+	size_t size;							\
+	int val;							\
+									\
+	size = min(sizeof(buf) - 1, count);				\
+	buf[size] = '\0';						\
+	if (copy_from_user(buf, userbuf, size))				\
+		return -EFAULT;						\
+									\
+	val = simple_strtoul(buf, NULL, 0);				\
+	if ((val < min_val) || (val > max_val)) {			\
+		struct ieee80211_sub_if_data *sdata = file->private_data;\
+		printk(KERN_ERR "%s: set value (%u) out of range "	\
+		       "[%u, %u]\n",sdata->dev->name,val,min_val,max_val);\
+		return -EINVAL;						\
+	}								\
+	SET_TSINFO_ ##_name (_tspec.ts_info, val);			\
+	return count;							\
+}									\
+									\
+static const struct file_operations tsinfo_ ##_name## _ops = {		\
+	.read = tsinfo_ ##_name## _read,				\
+	.write = tsinfo_ ##_name## _write,				\
+	.open = mac80211_open_file_generic,				\
+};
+
+#define DEBUGFS_TSINFO_ADD_TSID						\
+	sdata->debugfs.sta.tsinfo.tsid =				\
+		debugfs_create_file("tsid", 0444, tsinfod,		\
+				    sdata, &tsinfo_TSID_ops);
+
+#define DEBUGFS_TSINFO_ADD_DIR						\
+	sdata->debugfs.sta.tsinfo.direction =				\
+		debugfs_create_file("direction", 0444, tsinfod,		\
+				    sdata, &tsinfo_DIR_ops);
+
+#define DEBUGFS_TSINFO_ADD_UP						\
+	sdata->debugfs.sta.tsinfo.up =					\
+		debugfs_create_file("up", 0444, tsinfod,		\
+				    sdata, &tsinfo_UP_ops);
+
+#define DEBUGFS_TSINFO_DEL(name)					\
+	do {								\
+		debugfs_remove(sdata->debugfs.sta.tsinfo.name);		\
+		sdata->debugfs.sta.tsinfo.name = NULL;			\
+	} while (0)
+
+DEBUGFS_TSINFO_FILE(TSID, 8, 15);
+DEBUGFS_TSINFO_FILE(DIR, 0, 3);
+DEBUGFS_TSINFO_FILE(UP, 0, 7);
+
+#define DEBUGFS_TSPEC_FILE(name)					\
+static ssize_t tspec_ ##name## _read(struct file *file,			\
+				      char __user *userbuf,		\
+				      size_t count, loff_t *ppos)	\
+{									\
+	char buf[20];							\
+	int res = scnprintf(buf, count, "%u\n", _tspec.name);		\
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+}									\
+									\
+static ssize_t tspec_ ##name## _write(struct file *file,		\
+				       const char __user *userbuf,	\
+				       size_t count, loff_t *ppos)	\
+{									\
+	char buf[20];							\
+	size_t size;							\
+									\
+	size = min(sizeof(buf) - 1, count);				\
+	buf[size] = '\0';						\
+	if (copy_from_user(buf, userbuf, size))				\
+		return -EFAULT;						\
+									\
+	_tspec.name = simple_strtoul(buf, NULL, 0);			\
+	return count;							\
+}									\
+									\
+static const struct file_operations tspec_ ##name## _ops = {		\
+	.read = tspec_ ##name## _read,					\
+	.write = tspec_ ##name## _write,				\
+	.open = mac80211_open_file_generic,				\
+};
+
+#define DEBUGFS_TSPEC_ADD(name)						\
+	sdata->debugfs.sta.tspec.name = debugfs_create_file(#name,	\
+		0444, tspecd, sdata, &tspec_ ##name## _ops);
+
+#define DEBUGFS_TSPEC_DEL(name)						\
+	do {								\
+		debugfs_remove(sdata->debugfs.sta.tspec.name);		\
+		sdata->debugfs.sta.tspec.name = NULL;			\
+	} while (0)
+
+DEBUGFS_TSPEC_FILE(nominal_msdu_size);
+DEBUGFS_TSPEC_FILE(max_msdu_size);
+DEBUGFS_TSPEC_FILE(min_service_interval);
+DEBUGFS_TSPEC_FILE(max_service_interval);
+DEBUGFS_TSPEC_FILE(inactivity_interval);
+DEBUGFS_TSPEC_FILE(suspension_interval);
+DEBUGFS_TSPEC_FILE(service_start_time);
+DEBUGFS_TSPEC_FILE(min_data_rate);
+DEBUGFS_TSPEC_FILE(mean_data_rate);
+DEBUGFS_TSPEC_FILE(peak_data_rate);
+DEBUGFS_TSPEC_FILE(burst_size);
+DEBUGFS_TSPEC_FILE(delay_bound);
+DEBUGFS_TSPEC_FILE(min_phy_rate);
+DEBUGFS_TSPEC_FILE(surplus_band_allow);
+DEBUGFS_TSPEC_FILE(medium_time);
+
+
+/* common attributes */
+IEEE80211_IF_FILE(channel_use, channel_use, DEC);
+IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
+IEEE80211_IF_FILE(eapol, eapol, DEC);
+IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC);
+
+/* STA/IBSS attributes */
+IEEE80211_IF_FILE(state, u.sta.state, DEC);
+IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
+IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
+IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
+IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
+IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
+IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
+IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
+IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
+IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
+IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
+IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
+IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
+
+static ssize_t ieee80211_if_fmt_flags(
+	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+	return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
+			 sdata->u.sta.ssid_set ? "SSID\n" : "",
+			 sdata->u.sta.bssid_set ? "BSSID\n" : "",
+			 sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
+			 sdata->u.sta.authenticated ? "AUTH\n" : "",
+			 sdata->u.sta.associated ? "ASSOC\n" : "",
+			 sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
+			 sdata->u.sta.use_protection ? "CTS prot\n" : "");
+}
+__IEEE80211_IF_FILE(flags);
+
+/* AP attributes */
+IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
+IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC);
+IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
+IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
+IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
+IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
+
+static ssize_t ieee80211_if_fmt_num_buffered_multicast(
+	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+	return scnprintf(buf, buflen, "%u\n",
+			 skb_queue_len(&sdata->u.ap.ps_bc_buf));
+}
+__IEEE80211_IF_FILE(num_buffered_multicast);
+
+static ssize_t ieee80211_if_fmt_beacon_head_len(
+	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+	if (sdata->u.ap.beacon_head)
+		return scnprintf(buf, buflen, "%d\n",
+				 sdata->u.ap.beacon_head_len);
+	return scnprintf(buf, buflen, "\n");
+}
+__IEEE80211_IF_FILE(beacon_head_len);
+
+static ssize_t ieee80211_if_fmt_beacon_tail_len(
+	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+	if (sdata->u.ap.beacon_tail)
+		return scnprintf(buf, buflen, "%d\n",
+				 sdata->u.ap.beacon_tail_len);
+	return scnprintf(buf, buflen, "\n");
+}
+__IEEE80211_IF_FILE(beacon_tail_len);
+
+/* WDS attributes */
+IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
+
+/* VLAN attributes */
+IEEE80211_IF_FILE(vlan_id, u.vlan.id, DEC);
+
+/* MONITOR attributes */
+static ssize_t ieee80211_if_fmt_mode(
+	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+	struct ieee80211_local *local = sdata->local;
+
+	return scnprintf(buf, buflen, "%s\n",
+			 ((local->hw.flags & IEEE80211_HW_MONITOR_DURING_OPER) ||
+			  local->open_count == local->monitors) ?
+			 "hard" : "soft");
+}
+__IEEE80211_IF_FILE(mode);
+
+
+#define DEBUGFS_ADD(name, type)\
+	sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\
+		sdata->debugfsdir, sdata, &name##_ops);
+
+static void add_sta_files(struct ieee80211_sub_if_data *sdata)
+{
+	struct dentry *qosd;
+	struct dentry *tsinfod;
+	struct dentry *tspecd;
+
+	DEBUGFS_ADD(channel_use, sta);
+	DEBUGFS_ADD(drop_unencrypted, sta);
+	DEBUGFS_ADD(eapol, sta);
+	DEBUGFS_ADD(ieee8021_x, sta);
+	DEBUGFS_ADD(state, sta);
+	DEBUGFS_ADD(bssid, sta);
+	DEBUGFS_ADD(prev_bssid, sta);
+	DEBUGFS_ADD(ssid_len, sta);
+	DEBUGFS_ADD(aid, sta);
+	DEBUGFS_ADD(ap_capab, sta);
+	DEBUGFS_ADD(capab, sta);
+	DEBUGFS_ADD(extra_ie_len, sta);
+	DEBUGFS_ADD(auth_tries, sta);
+	DEBUGFS_ADD(assoc_tries, sta);
+	DEBUGFS_ADD(auth_algs, sta);
+	DEBUGFS_ADD(auth_alg, sta);
+	DEBUGFS_ADD(auth_transaction, sta);
+	DEBUGFS_ADD(flags, sta);
+
+	qosd = debugfs_create_dir("qos", sdata->debugfsdir);
+	sdata->debugfs.sta.qos_dir = qosd;
+
+	DEBUGFS_QOS_ADD(addts_11e);
+	DEBUGFS_QOS_ADD(addts_wmm);
+	DEBUGFS_QOS_ADD(delts_11e);
+	DEBUGFS_QOS_ADD(delts_wmm);
+	DEBUGFS_QOS_ADD(dls_mac);
+	DEBUGFS_QOS_ADD(dls_op);
+
+	tsinfod = debugfs_create_dir("ts_info", qosd);
+	sdata->debugfs.sta.tsinfo_dir = tsinfod;
+
+	DEBUGFS_TSINFO_ADD_TSID;
+	DEBUGFS_TSINFO_ADD_DIR;
+	DEBUGFS_TSINFO_ADD_UP;
+
+	tspecd = debugfs_create_dir("tspec", qosd);
+	sdata->debugfs.sta.tspec_dir = tspecd;
+
+	DEBUGFS_TSPEC_ADD(nominal_msdu_size);
+	DEBUGFS_TSPEC_ADD(max_msdu_size);
+	DEBUGFS_TSPEC_ADD(min_service_interval);
+	DEBUGFS_TSPEC_ADD(max_service_interval);
+	DEBUGFS_TSPEC_ADD(inactivity_interval);
+	DEBUGFS_TSPEC_ADD(suspension_interval);
+	DEBUGFS_TSPEC_ADD(service_start_time);
+	DEBUGFS_TSPEC_ADD(min_data_rate);
+	DEBUGFS_TSPEC_ADD(mean_data_rate);
+	DEBUGFS_TSPEC_ADD(peak_data_rate);
+	DEBUGFS_TSPEC_ADD(burst_size);
+	DEBUGFS_TSPEC_ADD(delay_bound);
+	DEBUGFS_TSPEC_ADD(min_phy_rate);
+	DEBUGFS_TSPEC_ADD(surplus_band_allow);
+	DEBUGFS_TSPEC_ADD(medium_time);
+}
+
+static void add_ap_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_ADD(channel_use, ap);
+	DEBUGFS_ADD(drop_unencrypted, ap);
+	DEBUGFS_ADD(eapol, ap);
+	DEBUGFS_ADD(ieee8021_x, ap);
+	DEBUGFS_ADD(num_sta_ps, ap);
+	DEBUGFS_ADD(dtim_period, ap);
+	DEBUGFS_ADD(dtim_count, ap);
+	DEBUGFS_ADD(num_beacons, ap);
+	DEBUGFS_ADD(force_unicast_rateidx, ap);
+	DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+	DEBUGFS_ADD(num_buffered_multicast, ap);
+	DEBUGFS_ADD(beacon_head_len, ap);
+	DEBUGFS_ADD(beacon_tail_len, ap);
+}
+
+static void add_wds_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_ADD(channel_use, wds);
+	DEBUGFS_ADD(drop_unencrypted, wds);
+	DEBUGFS_ADD(eapol, wds);
+	DEBUGFS_ADD(ieee8021_x, wds);
+	DEBUGFS_ADD(peer, wds);
+}
+
+static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_ADD(channel_use, vlan);
+	DEBUGFS_ADD(drop_unencrypted, vlan);
+	DEBUGFS_ADD(eapol, vlan);
+	DEBUGFS_ADD(ieee8021_x, vlan);
+	DEBUGFS_ADD(vlan_id, vlan);
+}
+
+static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_ADD(mode, monitor);
+}
+
+static void add_files(struct ieee80211_sub_if_data *sdata)
+{
+	if (!sdata->debugfsdir)
+		return;
+
+	switch (sdata->type) {
+	case IEEE80211_IF_TYPE_STA:
+	case IEEE80211_IF_TYPE_IBSS:
+		add_sta_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_AP:
+		add_ap_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_WDS:
+		add_wds_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_MNTR:
+		add_monitor_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_VLAN:
+		add_vlan_files(sdata);
+		break;
+	default:
+		break;
+	}
+}
+
+#define DEBUGFS_DEL(name, type)					\
+	do {							\
+		debugfs_remove(sdata->debugfs.type.name);	\
+		sdata->debugfs.type.name = NULL;		\
+	} while (0)
+
+static void del_sta_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_DEL(channel_use, sta);
+	DEBUGFS_DEL(drop_unencrypted, sta);
+	DEBUGFS_DEL(eapol, sta);
+	DEBUGFS_DEL(ieee8021_x, sta);
+	DEBUGFS_DEL(state, sta);
+	DEBUGFS_DEL(bssid, sta);
+	DEBUGFS_DEL(prev_bssid, sta);
+	DEBUGFS_DEL(ssid_len, sta);
+	DEBUGFS_DEL(aid, sta);
+	DEBUGFS_DEL(ap_capab, sta);
+	DEBUGFS_DEL(capab, sta);
+	DEBUGFS_DEL(extra_ie_len, sta);
+	DEBUGFS_DEL(auth_tries, sta);
+	DEBUGFS_DEL(assoc_tries, sta);
+	DEBUGFS_DEL(auth_algs, sta);
+	DEBUGFS_DEL(auth_alg, sta);
+	DEBUGFS_DEL(auth_transaction, sta);
+	DEBUGFS_DEL(flags, sta);
+
+	DEBUGFS_TSINFO_DEL(tsid);
+	DEBUGFS_TSINFO_DEL(direction);
+	DEBUGFS_TSINFO_DEL(up);
+
+	DEBUGFS_TSPEC_DEL(nominal_msdu_size);
+	DEBUGFS_TSPEC_DEL(max_msdu_size);
+	DEBUGFS_TSPEC_DEL(min_service_interval);
+	DEBUGFS_TSPEC_DEL(max_service_interval);
+	DEBUGFS_TSPEC_DEL(inactivity_interval);
+	DEBUGFS_TSPEC_DEL(suspension_interval);
+	DEBUGFS_TSPEC_DEL(service_start_time);
+	DEBUGFS_TSPEC_DEL(min_data_rate);
+	DEBUGFS_TSPEC_DEL(mean_data_rate);
+	DEBUGFS_TSPEC_DEL(peak_data_rate);
+	DEBUGFS_TSPEC_DEL(burst_size);
+	DEBUGFS_TSPEC_DEL(delay_bound);
+	DEBUGFS_TSPEC_DEL(min_phy_rate);
+	DEBUGFS_TSPEC_DEL(surplus_band_allow);
+	DEBUGFS_TSPEC_DEL(medium_time);
+
+	DEBUGFS_QOS_DEL(addts_11e);
+	DEBUGFS_QOS_DEL(addts_wmm);
+	DEBUGFS_QOS_DEL(delts_11e);
+	DEBUGFS_QOS_DEL(delts_wmm);
+	DEBUGFS_QOS_DEL(dls_mac);
+	DEBUGFS_QOS_DEL(dls_op);
+
+	debugfs_remove(sdata->debugfs.sta.tspec_dir);
+	sdata->debugfs.sta.tspec_dir = NULL;
+	debugfs_remove(sdata->debugfs.sta.tsinfo_dir);
+	sdata->debugfs.sta.tsinfo_dir = NULL;
+	debugfs_remove(sdata->debugfs.sta.qos_dir);
+	sdata->debugfs.sta.qos_dir = NULL;
+}
+
+static void del_ap_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_DEL(channel_use, ap);
+	DEBUGFS_DEL(drop_unencrypted, ap);
+	DEBUGFS_DEL(eapol, ap);
+	DEBUGFS_DEL(ieee8021_x, ap);
+	DEBUGFS_DEL(num_sta_ps, ap);
+	DEBUGFS_DEL(dtim_period, ap);
+	DEBUGFS_DEL(dtim_count, ap);
+	DEBUGFS_DEL(num_beacons, ap);
+	DEBUGFS_DEL(force_unicast_rateidx, ap);
+	DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+	DEBUGFS_DEL(num_buffered_multicast, ap);
+	DEBUGFS_DEL(beacon_head_len, ap);
+	DEBUGFS_DEL(beacon_tail_len, ap);
+}
+
+static void del_wds_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_DEL(channel_use, wds);
+	DEBUGFS_DEL(drop_unencrypted, wds);
+	DEBUGFS_DEL(eapol, wds);
+	DEBUGFS_DEL(ieee8021_x, wds);
+	DEBUGFS_DEL(peer, wds);
+}
+
+static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_DEL(channel_use, vlan);
+	DEBUGFS_DEL(drop_unencrypted, vlan);
+	DEBUGFS_DEL(eapol, vlan);
+	DEBUGFS_DEL(ieee8021_x, vlan);
+	DEBUGFS_DEL(vlan_id, vlan);
+}
+
+static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
+{
+	DEBUGFS_DEL(mode, monitor);
+}
+
+static void del_files(struct ieee80211_sub_if_data *sdata, int type)
+{
+	if (!sdata->debugfsdir)
+		return;
+
+	switch (type) {
+	case IEEE80211_IF_TYPE_STA:
+	case IEEE80211_IF_TYPE_IBSS:
+		del_sta_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_AP:
+		del_ap_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_WDS:
+		del_wds_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_MNTR:
+		del_monitor_files(sdata);
+		break;
+	case IEEE80211_IF_TYPE_VLAN:
+		del_vlan_files(sdata);
+		break;
+	default:
+		break;
+	}
+}
+
+static int notif_registered;
+
+void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
+{
+	char buf[10+IFNAMSIZ];
+
+	if (!notif_registered)
+		return;
+
+	sprintf(buf, "netdev:%s", sdata->dev->name);
+	sdata->debugfsdir = debugfs_create_dir(buf,
+		sdata->local->hw.wiphy->debugfsdir);
+}
+
+void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
+{
+	del_files(sdata, sdata->type);
+	debugfs_remove(sdata->debugfsdir);
+	sdata->debugfsdir = NULL;
+}
+
+void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
+				      int oldtype)
+{
+	del_files(sdata, oldtype);
+	add_files(sdata);
+}
+
+static int netdev_notify(struct notifier_block * nb,
+			 unsigned long state,
+			 void *ndev)
+{
+	struct net_device *dev = ndev;
+	char buf[10+IFNAMSIZ];
+
+	if (state != NETDEV_CHANGENAME)
+		return 0;
+
+	if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
+		return 0;
+
+	if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
+		return 0;
+
+	/* TODO
+	sprintf(buf, "netdev:%s", dev->name);
+	debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, buf);
+	*/
+
+	return 0;
+}
+
+static struct notifier_block mac80211_debugfs_netdev_notifier = {
+	.notifier_call = netdev_notify,
+};
+
+void ieee80211_debugfs_netdev_init(void)
+{
+	int err;
+
+	err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
+	if (err) {
+		printk(KERN_ERR
+		       "mac80211: failed to install netdev notifier,"
+		       " disabling per-netdev debugfs!\n");
+	} else
+		notif_registered = 1;
+}
+
+void ieee80211_debugfs_netdev_exit(void)
+{
+	unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
+	notif_registered = 0;
+}

package/mac80211/src/mac80211/debugfs_netdev.h

@@ -0,0 +1,30 @@
+/* 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 */

package/mac80211/src/mac80211/debugfs_sta.c

@@ -0,0 +1,247 @@
+/*
+ * 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%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_HT ? "HT\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;
+}

package/mac80211/src/mac80211/debugfs_sta.h

@@ -0,0 +1,12 @@
+#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 */

package/mac80211/src/mac80211/hostapd_ioctl.h

@@ -0,0 +1,344 @@
+/*
+ * 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_BEACON_INT = 3,
+	PRISM2_PARAM_AP_BRIDGE_PACKETS = 10,
+	PRISM2_PARAM_DTIM_PERIOD = 11,
+	PRISM2_PARAM_AP_AUTH_ALGS = 15,
+	PRISM2_PARAM_HOST_ENCRYPT = 17,
+	PRISM2_PARAM_HOST_DECRYPT = 18,
+	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_PRIVACY_INVOKED = 1014,
+	PRISM2_PARAM_BROADCAST_SSID = 1015,
+	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_EAPOL = 1023,
+	PRISM2_PARAM_KEY_TX_RX_THRESHOLD = 1024,
+	PRISM2_PARAM_KEY_INDEX = 1025,
+	PRISM2_PARAM_DEFAULT_WEP_ONLY = 1026,
+	PRISM2_PARAM_WIFI_WME_NOACK_TEST = 1033,
+	PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS = 1034,
+	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_KEY_MGMT = 1040,
+	PRISM2_PARAM_RADAR_DETECT = 1043,
+	PRISM2_PARAM_SPECTRUM_MGMT = 1044,
+	PRISM2_PARAM_USER_SPACE_MLME = 1045,
+	PRISM2_PARAM_MGMT_IF = 1046,
+};
+
+/* PRISM2_IOCTL_HOSTAPD ioctl() cmd:
+ * This table is no longer added to, the hostapd ioctl
+ * shall be deleted completely. */
+enum {
+	PRISM2_HOSTAPD_FLUSH = 1,
+	PRISM2_HOSTAPD_ADD_STA = 2,
+	PRISM2_HOSTAPD_REMOVE_STA = 3,
+	PRISM2_HOSTAPD_GET_INFO_STA = 4,
+	PRISM2_SET_ENCRYPTION = 6,
+	PRISM2_GET_ENCRYPTION = 7,
+	PRISM2_HOSTAPD_SET_FLAGS_STA = 8,
+	PRISM2_HOSTAPD_MLME = 13,
+
+	/* Instant802 additions */
+	PRISM2_HOSTAPD_SET_BEACON = 1001,
+	PRISM2_HOSTAPD_GET_HW_FEATURES = 1002,
+	PRISM2_HOSTAPD_WPA_TRIGGER = 1004,
+	PRISM2_HOSTAPD_SET_RATE_SETS = 1005,
+	PRISM2_HOSTAPD_ADD_IF = 1006,
+	PRISM2_HOSTAPD_REMOVE_IF = 1007,
+	PRISM2_HOSTAPD_GET_DOT11COUNTERSTABLE = 1008,
+	PRISM2_HOSTAPD_GET_LOAD_STATS = 1009,
+	PRISM2_HOSTAPD_SET_STA_VLAN = 1010,
+	PRISM2_HOSTAPD_SET_GENERIC_INFO_ELEM = 1011,
+	PRISM2_HOSTAPD_SET_CHANNEL_FLAG = 1012,
+	PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN = 1013,
+	PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS = 1014,
+	PRISM2_HOSTAPD_GET_TX_STATS = 1016,
+	PRISM2_HOSTAPD_UPDATE_IF = 1017,
+	PRISM2_HOSTAPD_SCAN_REQ = 1019,
+	PRISM2_STA_GET_STATE = 1020,
+	PRISM2_HOSTAPD_FLUSH_IFS = 1021,
+	PRISM2_HOSTAPD_SET_RADAR_PARAMS = 1023,
+	PRISM2_HOSTAPD_SET_QUIET_PARAMS = 1024,
+};
+
+#define PRISM2_HOSTAPD_MAX_BUF_SIZE 2048
+#define HOSTAP_CRYPT_ALG_NAME_LEN 16
+
+#ifndef ALIGNED
+#define ALIGNED __attribute__ ((aligned))
+#endif
+
+struct prism2_hostapd_param {
+	u32 cmd;
+	u8 sta_addr[ETH_ALEN];
+	u8 pad[2];
+	union {
+		struct {
+			u16 aid;
+			u16 capability;
+			u8 supp_rates[32];
+			u8 wds_flags;
+#define IEEE80211_STA_DYNAMIC_ENC BIT(0)
+			u8 enc_flags;
+			u16 listen_interval;
+		} add_sta;
+		struct {
+			u32 inactive_msec;
+			u32 rx_packets;
+			u32 tx_packets;
+			u32 rx_bytes;
+			u32 tx_bytes;
+			u32 current_tx_rate; /* in 100 kbps */
+			u32 channel_use;
+			u32 flags;
+			u32 num_ps_buf_frames;
+			u32 tx_retry_failed;
+			u32 tx_retry_count;
+			u32 last_rssi;
+			u32 last_ack_rssi;
+		} get_info_sta;
+		struct {
+			char alg[HOSTAP_CRYPT_ALG_NAME_LEN];
+			u32 flags;
+			u32 err;
+			u8 idx;
+#define HOSTAP_SEQ_COUNTER_SIZE 8
+			u8 seq_counter[HOSTAP_SEQ_COUNTER_SIZE];
+			u16 key_len;
+			u8 key[0] ALIGNED;
+		} crypt;
+		struct {
+			u32 flags_and;
+			u32 flags_or;
+		} set_flags_sta;
+		struct {
+			u16 head_len;
+			u16 tail_len;
+			u8 data[0] ALIGNED; /* head_len + tail_len bytes */
+		} beacon;
+		struct {
+			u16 num_modes;
+			u16 flags;
+			u8 data[0] ALIGNED; /* num_modes * feature data */
+		} hw_features;
+		struct {
+			u8  now;
+			s8  our_mode_only;
+			s16 last_rx;
+			u16 channel;
+			s16 interval; /* seconds */
+			s32 listen;   /* microseconds */
+		} scan;
+		struct {
+#define WPA_TRIGGER_FAIL_TX_MIC BIT(0)
+#define WPA_TRIGGER_FAIL_TX_ICV BIT(1)
+#define WPA_TRIGGER_FAIL_RX_MIC BIT(2)
+#define WPA_TRIGGER_FAIL_RX_ICV BIT(3)
+#define WPA_TRIGGER_TX_REPLAY BIT(4)
+#define WPA_TRIGGER_TX_REPLAY_FRAG BIT(5)
+#define WPA_TRIGGER_TX_SKIP_SEQ BIT(6)
+			u32 trigger;
+		} wpa_trigger;
+		struct {
+			u16 mode; /* MODE_* */
+			u16 num_supported_rates;
+			u16 num_basic_rates;
+			u8 data[0] ALIGNED; /* num_supported_rates * u16 +
+					     * num_basic_rates * u16 */
+		} set_rate_sets;
+		struct {
+			u8 type; /* WDS, VLAN, etc */
+			u8 name[IFNAMSIZ];
+			u8 data[0] ALIGNED;
+		} if_info;
+		struct dot11_counters {
+			u32 dot11TransmittedFragmentCount;
+			u32 dot11MulticastTransmittedFrameCount;
+			u32 dot11FailedCount;
+			u32 dot11ReceivedFragmentCount;
+			u32 dot11MulticastReceivedFrameCount;
+			u32 dot11FCSErrorCount;
+			u32 dot11TransmittedFrameCount;
+			u32 dot11WEPUndecryptableCount;
+			u32 dot11ACKFailureCount;
+			u32 dot11RTSFailureCount;
+			u32 dot11RTSSuccessCount;
+		} dot11CountersTable;
+		struct {
+#define LOAD_STATS_CLEAR BIT(1)
+			u32 flags;
+			u32 channel_use;
+		} get_load_stats;
+		struct {
+			char vlan_name[IFNAMSIZ];
+			int vlan_id;
+		} set_sta_vlan;
+		struct {
+			u8 len;
+			u8 data[0] ALIGNED;
+		} set_generic_info_elem;
+		struct {
+			u16 mode; /* MODE_* */
+			u16 chan;
+			u32 flag;
+			u8 power_level; /* regulatory limit in dBm */
+			u8 antenna_max;
+		} set_channel_flag;
+		struct {
+			u32 rd;
+		} set_regulatory_domain;
+		struct {
+			u32 queue;
+			s32 aifs;
+			u32 cw_min;
+			u32 cw_max;
+			u32 burst_time; /* maximum burst time in 0.1 ms, i.e.,
+					 * 10 = 1 ms */
+		} tx_queue_params;
+		struct ieee80211_tx_stats {
+			struct {
+				unsigned int len; /* num packets in queue */
+				unsigned int limit; /* queue len (soft) limit
+						     */
+				unsigned int count; /* total num frames sent */
+			} data[4];
+		} get_tx_stats;
+		struct {
+			u8 ssid_len;
+			u8 ssid[0] ALIGNED;
+		} scan_req;
+		struct {
+			u32 state;
+		} sta_get_state;
+		struct {
+#define MLME_STA_DEAUTH 0
+#define MLME_STA_DISASSOC 1
+			u16 cmd;
+			u16 reason_code;
+		} mlme;
+		struct {
+			u8 radar_firpwr_threshold;
+			u8 radar_rssi_threshold;
+			u8 pulse_height_threshold;
+			u8 pulse_rssi_threshold;
+			u8 pulse_inband_threshold;
+		} radar;
+		struct {
+			unsigned int period;
+			unsigned int offset;
+			unsigned int duration;
+		} quiet;
+		struct {
+			u8 dummy[80]; /* Make sizeof() this struct large enough
+				       * with some compiler versions. */
+		} dummy;
+	} u;
+};
+
+#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0)
+#define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1)
+
+#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
+#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
+#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
+#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
+#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
+#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
+
+#define HOSTAP_HW_FLAG_NULLFUNC_OK BIT(0)
+
+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 */

package/mac80211/src/mac80211/ieee80211_cfg.c

@@ -0,0 +1,72 @@
+/*
+ * 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_AP:
+		itype = IEEE80211_IF_TYPE_AP;
+		break;
+	case NL80211_IFTYPE_WDS:
+		itype = IEEE80211_IF_TYPE_WDS;
+		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,
+};

package/mac80211/src/mac80211/ieee80211_cfg.h

@@ -0,0 +1,9 @@
+/*
+ * mac80211 configuration hooks for cfg80211
+ */
+#ifndef __IEEE80211_CFG_H
+#define __IEEE80211_CFG_H
+
+extern struct cfg80211_ops mac80211_config_ops;
+
+#endif /* __IEEE80211_CFG_H */

package/mac80211/src/mac80211/ieee80211_common.h

@@ -0,0 +1,98 @@
+/*
+ * 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 */

package/mac80211/src/mac80211/ieee80211_i.h

@@ -0,0 +1,901 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
+ *
+ * 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_I_H
+#define IEEE80211_I_H
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/if_ether.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/workqueue.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <net/wireless.h>
+#include "ieee80211_key.h"
+#include "sta_info.h"
+
+/* ieee80211.o internal definitions, etc. These are not included into
+ * low-level drivers. */
+
+#ifndef ETH_P_PAE
+#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
+#endif /* ETH_P_PAE */
+
+#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08)
+
+struct ieee80211_local;
+
+#define BIT(x) (1 << (x))
+
+#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3)
+
+/* Maximum number of broadcast/multicast frames to buffer when some of the
+ * associated stations are using power saving. */
+#define AP_MAX_BC_BUFFER 128
+
+/* Maximum number of frames buffered to all STAs, including multicast frames.
+ * Note: increasing this limit increases the potential memory requirement. Each
+ * frame can be up to about 2 kB long. */
+#define TOTAL_MAX_TX_BUFFER 512
+
+/* Required encryption head and tailroom */
+#define IEEE80211_ENCRYPT_HEADROOM 8
+#define IEEE80211_ENCRYPT_TAILROOM 12
+
+/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
+ * reception of at least three fragmented frames. This limit can be increased
+ * by changing this define, at the cost of slower frame reassembly and
+ * increased memory use (about 2 kB of RAM per entry). */
+#define IEEE80211_FRAGMENT_MAX 4
+
+/* Minimum and Maximum TSID used by EDCA. EDCA uses 0~7; HCCA uses 8~15 */
+#define EDCA_TSID_MIN 0
+#define EDCA_TSID_MAX 7
+
+struct ieee80211_fragment_entry {
+	unsigned long first_frag_time;
+	unsigned int seq;
+	unsigned int rx_queue;
+	unsigned int last_frag;
+	unsigned int extra_len;
+	struct sk_buff_head skb_list;
+	int ccmp; /* Whether fragments were encrypted with CCMP */
+	u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
+};
+
+
+struct ieee80211_sta_bss {
+	struct list_head list;
+	struct ieee80211_sta_bss *hnext;
+	atomic_t users;
+
+	u8 bssid[ETH_ALEN];
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
+	size_t ssid_len;
+	u16 capability; /* host byte order */
+	int hw_mode;
+	int channel;
+	int freq;
+	int rssi, signal, noise;
+	u8 *wpa_ie;
+	size_t wpa_ie_len;
+	u8 *rsn_ie;
+	size_t rsn_ie_len;
+	u8 *wmm_ie;
+	size_t wmm_ie_len;
+	u8 *ht_ie;
+	size_t ht_ie_len;
+#define IEEE80211_MAX_SUPP_RATES 32
+	u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
+	size_t supp_rates_len;
+	int beacon_int;
+	u64 timestamp;
+
+	int probe_resp;
+	unsigned long last_update;
+
+};
+
+
+typedef enum {
+	TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED
+} ieee80211_txrx_result;
+
+struct ieee80211_txrx_data {
+	struct sk_buff *skb;
+	struct net_device *dev;
+	struct ieee80211_local *local;
+	struct ieee80211_sub_if_data *sdata;
+	struct sta_info *sta;
+	u16 fc, ethertype;
+	struct ieee80211_key *key;
+	unsigned int fragmented:1; /* whether the MSDU was fragmented */
+	union {
+		struct {
+			struct ieee80211_tx_control *control;
+			unsigned int unicast:1;
+			unsigned int ps_buffered:1;
+			unsigned int short_preamble:1;
+			unsigned int probe_last_frag:1;
+			struct ieee80211_hw_mode *mode;
+			struct ieee80211_rate *rate;
+			/* use this rate (if set) for last fragment; rate can
+			 * be set to lower rate for the first fragments, e.g.,
+			 * when using CTS protection with IEEE 802.11g. */
+			struct ieee80211_rate *last_frag_rate;
+			int last_frag_hwrate;
+			int mgmt_interface;
+
+			/* Extra fragments (in addition to the first fragment
+			 * in skb) */
+			int num_extra_frag;
+			struct sk_buff **extra_frag;
+		} tx;
+		struct {
+			struct ieee80211_rx_status *status;
+			int sent_ps_buffered;
+			int queue;
+			int load;
+			u16 qos_control;
+			unsigned int in_scan:1;
+			/* frame is destined to interface currently processed
+			 * (including multicast frames) */
+			unsigned int ra_match:1;
+			unsigned int is_agg_frame:1;
+		} rx;
+	} u;
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	int wpa_test;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+};
+
+/* Stored in sk_buff->cb */
+struct ieee80211_tx_packet_data {
+	int ifindex;
+	unsigned long jiffies;
+	unsigned int req_tx_status:1;
+	unsigned int do_not_encrypt:1;
+	unsigned int requeue:1;
+	unsigned int mgmt_iface:1;
+	unsigned int queue:4;
+};
+
+struct ieee80211_tx_stored_packet {
+	struct ieee80211_tx_control control;
+	struct sk_buff *skb;
+	int num_extra_frag;
+	struct sk_buff **extra_frag;
+	int last_frag_rateidx;
+	int last_frag_hwrate;
+	struct ieee80211_rate *last_frag_rate;
+	unsigned int last_frag_rate_ctrl_probe:1;
+};
+
+struct sta_ts_data {
+	enum {
+		TS_STATUS_UNUSED	= 0,
+		TS_STATUS_ACTIVE	= 1,
+		TS_STATUS_INACTIVE	= 2,
+		TS_STATUS_THROTTLING	= 3,
+	} status;
+	u8 dialog_token;
+	u8 up;
+	u32 admitted_time_usec;
+	u32 used_time_usec;
+};
+
+typedef ieee80211_txrx_result (*ieee80211_tx_handler)
+(struct ieee80211_txrx_data *tx);
+
+typedef ieee80211_txrx_result (*ieee80211_rx_handler)
+(struct ieee80211_txrx_data *rx);
+
+struct ieee80211_if_ap {
+	u8 *beacon_head, *beacon_tail;
+	int beacon_head_len, beacon_tail_len;
+
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
+	size_t ssid_len;
+	u8 *generic_elem;
+	size_t generic_elem_len;
+
+	/* yes, this looks ugly, but guarantees that we can later use
+	 * bitmap_empty :)
+	 * NB: don't ever use set_bit, use bss_tim_set/bss_tim_clear! */
+	u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
+	atomic_t num_sta_ps; /* number of stations in PS mode */
+	struct sk_buff_head ps_bc_buf;
+	int dtim_period, dtim_count;
+	int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
+	int max_ratectrl_rateidx; /* max TX rateidx for rate control */
+	int num_beacons; /* number of TXed beacon frames for this BSS */
+};
+
+struct ieee80211_if_wds {
+	u8 remote_addr[ETH_ALEN];
+	struct sta_info *sta;
+};
+
+struct ieee80211_if_vlan {
+	u8 id;
+};
+
+struct ieee80211_if_sta {
+	enum {
+		IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
+		IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
+		IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
+	} state;
+	struct timer_list timer;
+	struct work_struct work;
+	struct timer_list admit_timer; /* Recompute EDCA admitted time */
+	u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
+	size_t ssid_len;
+	u16 aid;
+	u16 ap_capab, capab;
+	u8 *extra_ie; /* to be added to the end of AssocReq */
+	size_t extra_ie_len;
+
+	/* The last AssocReq/Resp IEs */
+	u8 *assocreq_ies, *assocresp_ies;
+	size_t assocreq_ies_len, assocresp_ies_len;
+
+	int auth_tries, assoc_tries;
+
+	unsigned int ssid_set:1;
+	unsigned int bssid_set:1;
+	unsigned int prev_bssid_set:1;
+	unsigned int authenticated:1;
+	unsigned int associated:1;
+	unsigned int probereq_poll:1;
+	unsigned int use_protection:1;
+	unsigned int create_ibss:1;
+	unsigned int mixed_cell:1;
+	unsigned int wmm_enabled:1;
+	unsigned int ht_enabled:1;
+	unsigned int auto_ssid_sel:1;
+	unsigned int auto_bssid_sel:1;
+	unsigned int auto_channel_sel:1;
+#define IEEE80211_STA_REQ_SCAN 0
+#define IEEE80211_STA_REQ_AUTH 1
+#define IEEE80211_STA_REQ_RUN  2
+	unsigned long request;
+	struct sk_buff_head skb_queue;
+
+	int key_mgmt;
+	unsigned long last_probe;
+
+#define IEEE80211_AUTH_ALG_OPEN BIT(0)
+#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
+#define IEEE80211_AUTH_ALG_LEAP BIT(2)
+	unsigned int auth_algs; /* bitfield of allowed auth algs */
+	int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
+	int auth_transaction;
+
+	unsigned long ibss_join_req;
+	struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
+	u32 supp_rates_bits;
+
+	int wmm_last_param_set;
+
+	u32 dot11EDCAAveragingPeriod;
+	u32 MPDUExchangeTime;
+#define STA_TSID_NUM   16
+#define STA_TSDIR_NUM  2
+	/* EDCA: 0~7, HCCA: 8~15 */
+	struct sta_ts_data ts_data[STA_TSID_NUM][STA_TSDIR_NUM];
+};
+
+
+struct ieee80211_sub_if_data {
+	struct list_head list;
+	unsigned int type;
+
+	struct wireless_dev wdev;
+
+	struct net_device *dev;
+	struct ieee80211_local *local;
+
+	int mc_count;
+	unsigned int allmulti:1;
+	unsigned int promisc:1;
+
+	struct net_device_stats stats;
+	int drop_unencrypted;
+	int eapol; /* 0 = process EAPOL frames as normal data frames,
+		    * 1 = send EAPOL frames through wlan#ap to hostapd
+		    *     (default) */
+	int ieee802_1x; /* IEEE 802.1X PAE - drop packet to/from unauthorized
+			 * port */
+
+	u16 sequence;
+
+	/* Fragment table for host-based reassembly */
+	struct ieee80211_fragment_entry	fragments[IEEE80211_FRAGMENT_MAX];
+	unsigned int fragment_next;
+
+#define NUM_DEFAULT_KEYS 4
+	struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
+	struct ieee80211_key *default_key;
+
+	struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
+
+	union {
+		struct ieee80211_if_ap ap;
+		struct ieee80211_if_wds wds;
+		struct ieee80211_if_vlan vlan;
+		struct ieee80211_if_sta sta;
+	} u;
+	int channel_use;
+	int channel_use_raw;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct dentry *debugfsdir;
+	union {
+		struct {
+			struct dentry *channel_use;
+			struct dentry *drop_unencrypted;
+			struct dentry *eapol;
+			struct dentry *ieee8021_x;
+			struct dentry *state;
+			struct dentry *bssid;
+			struct dentry *prev_bssid;
+			struct dentry *ssid_len;
+			struct dentry *aid;
+			struct dentry *ap_capab;
+			struct dentry *capab;
+			struct dentry *extra_ie_len;
+			struct dentry *auth_tries;
+			struct dentry *assoc_tries;
+			struct dentry *auth_algs;
+			struct dentry *auth_alg;
+			struct dentry *auth_transaction;
+			struct dentry *flags;
+			struct dentry *qos_dir;
+			struct {
+				struct dentry *addts_11e;
+				struct dentry *addts_wmm;
+				struct dentry *delts_11e;
+				struct dentry *delts_wmm;
+				struct dentry *dls_mac;
+				struct dentry *dls_op;
+			} qos;
+			struct dentry *tsinfo_dir;
+			struct {
+				struct dentry *tsid;
+				struct dentry *direction;
+				struct dentry *up;
+			} tsinfo;
+			struct dentry *tspec_dir;
+			struct {
+				struct dentry *nominal_msdu_size;
+				struct dentry *max_msdu_size;
+				struct dentry *min_service_interval;
+				struct dentry *max_service_interval;
+				struct dentry *inactivity_interval;
+				struct dentry *suspension_interval;
+				struct dentry *service_start_time;
+				struct dentry *min_data_rate;
+				struct dentry *mean_data_rate;
+				struct dentry *peak_data_rate;
+				struct dentry *burst_size;
+				struct dentry *delay_bound;
+				struct dentry *min_phy_rate;
+				struct dentry *surplus_band_allow;
+				struct dentry *medium_time;
+			} tspec;
+		} sta;
+		struct {
+			struct dentry *channel_use;
+			struct dentry *drop_unencrypted;
+			struct dentry *eapol;
+			struct dentry *ieee8021_x;
+			struct dentry *num_sta_ps;
+			struct dentry *dtim_period;
+			struct dentry *dtim_count;
+			struct dentry *num_beacons;
+			struct dentry *force_unicast_rateidx;
+			struct dentry *max_ratectrl_rateidx;
+			struct dentry *num_buffered_multicast;
+			struct dentry *beacon_head_len;
+			struct dentry *beacon_tail_len;
+		} ap;
+		struct {
+			struct dentry *channel_use;
+			struct dentry *drop_unencrypted;
+			struct dentry *eapol;
+			struct dentry *ieee8021_x;
+			struct dentry *peer;
+		} wds;
+		struct {
+			struct dentry *channel_use;
+			struct dentry *drop_unencrypted;
+			struct dentry *eapol;
+			struct dentry *ieee8021_x;
+			struct dentry *vlan_id;
+		} vlan;
+		struct {
+			struct dentry *mode;
+		} monitor;
+		struct dentry *default_key;
+	} debugfs;
+#endif
+};
+
+#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
+
+enum {
+	IEEE80211_RX_MSG	= 1,
+	IEEE80211_TX_STATUS_MSG	= 2,
+};
+
+struct ieee80211_local {
+	/* embed the driver visible part.
+	 * don't cast (use the static inlines below), but we keep
+	 * it first anyway so they become a no-op */
+	struct ieee80211_hw hw;
+
+	const struct ieee80211_ops *ops;
+
+	/* List of registered struct ieee80211_hw_mode */
+	struct list_head modes_list;
+
+	struct net_device *mdev; /* wmaster# - "master" 802.11 device */
+	struct net_device *apdev; /* wlan#ap - management frames (hostapd) */
+	int open_count;
+	int monitors;
+	struct iw_statistics wstats;
+	u8 wstats_flags;
+
+	enum {
+		IEEE80211_DEV_UNINITIALIZED = 0,
+		IEEE80211_DEV_REGISTERED,
+		IEEE80211_DEV_UNREGISTERED,
+	} reg_state;
+
+	/* Tasklet and skb queue to process calls from IRQ mode. All frames
+	 * added to skb_queue will be processed, but frames in
+	 * skb_queue_unreliable may be dropped if the total length of these
+	 * queues increases over the limit. */
+#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
+	struct tasklet_struct tasklet;
+	struct sk_buff_head skb_queue;
+	struct sk_buff_head skb_queue_unreliable;
+
+	/* Station data structures */
+	spinlock_t sta_lock; /* mutex for STA data structures */
+	int num_sta; /* number of stations in sta_list */
+	struct list_head sta_list;
+	struct list_head deleted_sta_list;
+	struct sta_info *sta_hash[STA_HASH_SIZE];
+	struct timer_list sta_cleanup;
+
+	unsigned long state[NUM_TX_DATA_QUEUES];
+	struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES];
+	struct tasklet_struct tx_pending_tasklet;
+
+	int mc_count;	/* total count of multicast entries in all interfaces */
+	int iff_allmultis, iff_promiscs;
+			/* number of interfaces with corresponding IFF_ flags */
+
+	struct rate_control_ref *rate_ctrl;
+
+	int next_mode; /* MODE_IEEE80211*
+			* The mode preference for next channel change. This is
+			* used to select .11g vs. .11b channels (or 4.9 GHz vs.
+			* .11a) when the channel number is not unique. */
+
+	/* Supported and basic rate filters for different modes. These are
+	 * pointers to -1 terminated lists and rates in 100 kbps units. */
+	int *supp_rates[NUM_IEEE80211_MODES];
+	int *basic_rates[NUM_IEEE80211_MODES];
+
+	int rts_threshold;
+	int cts_protect_erp_frames;
+	int fragmentation_threshold;
+	int short_retry_limit; /* dot11ShortRetryLimit */
+	int long_retry_limit; /* dot11LongRetryLimit */
+	int short_preamble; /* use short preamble with IEEE 802.11b */
+
+	struct crypto_blkcipher *wep_tx_tfm;
+	struct crypto_blkcipher *wep_rx_tfm;
+	u32 wep_iv;
+	int key_tx_rx_threshold; /* number of times any key can be used in TX
+				  * or RX before generating a rekey
+				  * notification; 0 = notification disabled. */
+
+	int bridge_packets; /* bridge packets between associated stations and
+			     * deliver multicast frames both back to wireless
+			     * media and to the local net stack */
+
+	ieee80211_rx_handler *rx_pre_handlers;
+	ieee80211_rx_handler *rx_handlers;
+	ieee80211_tx_handler *tx_handlers;
+
+	rwlock_t sub_if_lock; /* Protects sub_if_list. Cannot be taken under
+			       * sta_bss_lock or sta_lock. */
+	struct list_head sub_if_list;
+	int sta_scanning;
+	int scan_channel_idx;
+	enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
+	unsigned long last_scan_completed;
+	struct delayed_work scan_work;
+	struct net_device *scan_dev;
+	struct ieee80211_channel *oper_channel, *scan_channel;
+	struct ieee80211_hw_mode *oper_hw_mode, *scan_hw_mode;
+	u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
+	size_t scan_ssid_len;
+	struct list_head sta_bss_list;
+	struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
+	spinlock_t sta_bss_lock;
+#define IEEE80211_SCAN_MATCH_SSID BIT(0)
+#define IEEE80211_SCAN_WPA_ONLY BIT(1)
+#define IEEE80211_SCAN_EXTRA_INFO BIT(2)
+	int scan_flags;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	u32 wpa_trigger;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+	/* SNMP counters */
+	/* dot11CountersTable */
+	u32 dot11TransmittedFragmentCount;
+	u32 dot11MulticastTransmittedFrameCount;
+	u32 dot11FailedCount;
+	u32 dot11RetryCount;
+	u32 dot11MultipleRetryCount;
+	u32 dot11FrameDuplicateCount;
+	u32 dot11ReceivedFragmentCount;
+	u32 dot11MulticastReceivedFrameCount;
+	u32 dot11TransmittedFrameCount;
+	u32 dot11WEPUndecryptableCount;
+
+#ifdef CONFIG_MAC80211_LEDS
+	int tx_led_counter, rx_led_counter;
+	struct led_trigger *tx_led, *rx_led;
+	char tx_led_name[32], rx_led_name[32];
+#endif
+
+	u32 channel_use;
+	u32 channel_use_raw;
+	u32 stat_time;
+	struct timer_list stat_timer;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct work_struct sta_debugfs_add;
+#endif
+
+	enum {
+		STA_ANTENNA_SEL_AUTO = 0,
+		STA_ANTENNA_SEL_SW_CTRL = 1,
+		STA_ANTENNA_SEL_SW_CTRL_DEBUG = 2
+	} sta_antenna_sel;
+
+	int rate_ctrl_num_up, rate_ctrl_num_down;
+
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	/* TX/RX handler statistics */
+	unsigned int tx_handlers_drop;
+	unsigned int tx_handlers_queued;
+	unsigned int tx_handlers_drop_unencrypted;
+	unsigned int tx_handlers_drop_fragment;
+	unsigned int tx_handlers_drop_wep;
+	unsigned int tx_handlers_drop_not_assoc;
+	unsigned int tx_handlers_drop_unauth_port;
+	unsigned int rx_handlers_drop;
+	unsigned int rx_handlers_queued;
+	unsigned int rx_handlers_drop_nullfunc;
+	unsigned int rx_handlers_drop_defrag;
+	unsigned int rx_handlers_drop_short;
+	unsigned int rx_handlers_drop_passive_scan;
+	unsigned int tx_expand_skb_head;
+	unsigned int tx_expand_skb_head_cloned;
+	unsigned int rx_expand_skb_head;
+	unsigned int rx_expand_skb_head2;
+	unsigned int rx_handlers_fragments;
+	unsigned int tx_status_drop;
+	unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
+	unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
+#define I802_DEBUG_INC(c) (c)++
+#else /* CONFIG_MAC80211_DEBUG_COUNTERS */
+#define I802_DEBUG_INC(c) do { } while (0)
+#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
+
+
+	int default_wep_only; /* only default WEP keys are used with this
+			       * interface; this is used to decide when hwaccel
+			       * can be used with default keys */
+	int total_ps_buffered; /* total number of all buffered unicast and
+				* multicast packets for power saving stations
+				*/
+	int allow_broadcast_always; /* whether to allow TX of broadcast frames
+				     * even when there are no associated STAs
+				     */
+
+	int wifi_wme_noack_test;
+	unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
+
+	unsigned int enabled_modes; /* bitfield of allowed modes;
+				      * (1 << MODE_*) */
+	unsigned int hw_modes; /* bitfield of supported hardware modes;
+				* (1 << MODE_*) */
+
+	int user_space_mlme;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct local_debugfsdentries {
+		struct dentry *channel;
+		struct dentry *frequency;
+		struct dentry *radar_detect;
+		struct dentry *antenna_sel_tx;
+		struct dentry *antenna_sel_rx;
+		struct dentry *bridge_packets;
+		struct dentry *key_tx_rx_threshold;
+		struct dentry *rts_threshold;
+		struct dentry *fragmentation_threshold;
+		struct dentry *short_retry_limit;
+		struct dentry *long_retry_limit;
+		struct dentry *total_ps_buffered;
+		struct dentry *mode;
+		struct dentry *wep_iv;
+		struct dentry *rate_ctrl_alg;
+		struct dentry *tx_power_reduction;
+		struct dentry *modes;
+		struct dentry *statistics;
+		struct local_debugfsdentries_statsdentries {
+			struct dentry *transmitted_fragment_count;
+			struct dentry *multicast_transmitted_frame_count;
+			struct dentry *failed_count;
+			struct dentry *retry_count;
+			struct dentry *multiple_retry_count;
+			struct dentry *frame_duplicate_count;
+			struct dentry *received_fragment_count;
+			struct dentry *multicast_received_frame_count;
+			struct dentry *transmitted_frame_count;
+			struct dentry *wep_undecryptable_count;
+			struct dentry *num_scans;
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+			struct dentry *tx_handlers_drop;
+			struct dentry *tx_handlers_queued;
+			struct dentry *tx_handlers_drop_unencrypted;
+			struct dentry *tx_handlers_drop_fragment;
+			struct dentry *tx_handlers_drop_wep;
+			struct dentry *tx_handlers_drop_not_assoc;
+			struct dentry *tx_handlers_drop_unauth_port;
+			struct dentry *rx_handlers_drop;
+			struct dentry *rx_handlers_queued;
+			struct dentry *rx_handlers_drop_nullfunc;
+			struct dentry *rx_handlers_drop_defrag;
+			struct dentry *rx_handlers_drop_short;
+			struct dentry *rx_handlers_drop_passive_scan;
+			struct dentry *tx_expand_skb_head;
+			struct dentry *tx_expand_skb_head_cloned;
+			struct dentry *rx_expand_skb_head;
+			struct dentry *rx_expand_skb_head2;
+			struct dentry *rx_handlers_fragments;
+			struct dentry *tx_status_drop;
+			struct dentry *wme_tx_queue;
+			struct dentry *wme_rx_queue;
+#endif
+			struct dentry *dot11ACKFailureCount;
+			struct dentry *dot11RTSFailureCount;
+			struct dentry *dot11FCSErrorCount;
+			struct dentry *dot11RTSSuccessCount;
+		} stats;
+		struct dentry *stations;
+		struct dentry *keys;
+	} debugfs;
+#endif
+};
+
+enum sta_link_direction {
+	STA_TS_UPLINK = 0,
+	STA_TS_DOWNLINK = 1,
+};
+
+static inline struct ieee80211_local *hw_to_local(
+	struct ieee80211_hw *hw)
+{
+	return container_of(hw, struct ieee80211_local, hw);
+}
+
+static inline struct ieee80211_hw *local_to_hw(
+	struct ieee80211_local *local)
+{
+	return &local->hw;
+}
+
+enum ieee80211_link_state_t {
+	IEEE80211_LINK_STATE_XOFF = 0,
+	IEEE80211_LINK_STATE_PENDING,
+};
+
+struct sta_attribute {
+	struct attribute attr;
+	ssize_t (*show)(const struct sta_info *, char *buf);
+	ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
+};
+
+static inline void __bss_tim_set(struct ieee80211_if_ap *bss, int aid)
+{
+	/*
+	 * This format has ben mandated by the IEEE specifications,
+	 * so this line may not be changed to use the __set_bit() format.
+	 */
+	bss->tim[(aid)/8] |= 1<<((aid) % 8);
+}
+
+static inline void bss_tim_set(struct ieee80211_local *local,
+			       struct ieee80211_if_ap *bss, int aid)
+{
+	spin_lock_bh(&local->sta_lock);
+	__bss_tim_set(bss, aid);
+	spin_unlock_bh(&local->sta_lock);
+}
+
+static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, int aid)
+{
+	/*
+	 * This format has ben mandated by the IEEE specifications,
+	 * so this line may not be changed to use the __clear_bit() format.
+	 */
+	bss->tim[(aid)/8] &= !(1<<((aid) % 8));
+}
+
+static inline void bss_tim_clear(struct ieee80211_local *local,
+				 struct ieee80211_if_ap *bss, int aid)
+{
+	spin_lock_bh(&local->sta_lock);
+	__bss_tim_clear(bss, aid);
+	spin_unlock_bh(&local->sta_lock);
+}
+
+/**
+ * ieee80211_is_erp_rate - Check if a rate is an ERP rate
+ * @phymode: The PHY-mode for this rate (MODE_IEEE80211...)
+ * @rate: Transmission rate to check, in 100 kbps
+ *
+ * Check if a given rate is an Extended Rate PHY (ERP) rate.
+ */
+static inline int ieee80211_is_erp_rate(int phymode, int rate)
+{
+	if (phymode == MODE_IEEE80211G) {
+		if (rate != 10 && rate != 20 &&
+		    rate != 55 && rate != 110)
+			return 1;
+	}
+	return 0;
+}
+
+/* ieee80211.c */
+int ieee80211_hw_config(struct ieee80211_local *local);
+int ieee80211_if_config(struct net_device *dev);
+int ieee80211_if_config_beacon(struct net_device *dev);
+struct ieee80211_key_conf *
+ieee80211_key_data2conf(struct ieee80211_local *local,
+			const struct ieee80211_key *data);
+struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata,
+					  int idx, size_t key_len, gfp_t flags);
+void ieee80211_key_free(struct ieee80211_key *key);
+void ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
+		       struct ieee80211_rx_status *status, u32 msg_type);
+void ieee80211_prepare_rates(struct ieee80211_local *local,
+			     struct ieee80211_hw_mode *mode);
+void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx);
+int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr);
+void ieee80211_if_setup(struct net_device *dev);
+void ieee80211_if_mgmt_setup(struct net_device *dev);
+int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
+				 const char *name);
+struct net_device_stats *ieee80211_dev_stats(struct net_device *dev);
+
+/* ieee80211_ioctl.c */
+int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+extern const struct iw_handler_def ieee80211_iw_handler_def;
+
+/* Set hw encryption from ieee80211 */
+int ieee80211_set_hw_encryption(struct net_device *dev,
+				struct sta_info *sta, u8 addr[ETH_ALEN],
+				struct ieee80211_key *key);
+void ieee80211_update_default_wep_only(struct ieee80211_local *local);
+
+
+/* Least common multiple of the used rates (in 100 kbps). This is used to
+ * calculate rate_inv values for each rate so that only integers are needed. */
+#define CHAN_UTIL_RATE_LCM 95040
+/* 1 usec is 1/8 * (95040/10) = 1188 */
+#define CHAN_UTIL_PER_USEC 1188
+/* Amount of bits to shift the result right to scale the total utilization
+ * to values that will not wrap around 32-bit integers. */
+#define CHAN_UTIL_SHIFT 9
+/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1):
+ * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the
+ * raw value with about 23 should give utilization in 10th of a percentage
+ * (1/1000). However, utilization is only estimated and not all intervals
+ * between frames etc. are calculated. 18 seems to give numbers that are closer
+ * to the real maximum. */
+#define CHAN_UTIL_PER_10MS 18
+#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC)
+#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC)
+
+
+/* ieee80211_ioctl.c */
+int ieee80211_set_compression(struct ieee80211_local *local,
+			      struct net_device *dev, struct sta_info *sta);
+int ieee80211_init_client(struct net_device *dev);
+int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq);
+/* ieee80211_sta.c */
+void ieee80211_sta_timer(unsigned long data);
+void ieee80211_sta_work(struct work_struct *work);
+void ieee80211_admit_refresh(unsigned long ptr);
+void ieee80211_sta_scan_work(struct work_struct *work);
+void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
+			   struct ieee80211_rx_status *rx_status);
+int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len);
+int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len);
+int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid);
+int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
+void ieee80211_sta_req_auth(struct net_device *dev,
+			    struct ieee80211_if_sta *ifsta);
+int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len);
+void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
+			   struct ieee80211_rx_status *rx_status);
+void ieee80211_rx_bss_list_init(struct net_device *dev);
+void ieee80211_rx_bss_list_deinit(struct net_device *dev);
+int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
+struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
+					 struct sk_buff *skb, u8 *bssid,
+					 u8 *addr);
+int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
+int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
+void ieee80211_send_addts(struct net_device *dev,
+			  struct ieee80211_if_sta *ifsta,
+			  struct ieee80211_elem_tspec *tspec);
+void wmm_send_addts(struct net_device *dev,
+		    struct ieee80211_if_sta *ifsta,
+		    struct ieee80211_elem_tspec *tspec);
+void ieee80211_send_delts(struct net_device *dev,
+			  struct ieee80211_if_sta *ifsta,
+			  struct ieee80211_elem_tspec *tp);
+void wmm_send_delts(struct net_device *dev,
+		    struct ieee80211_if_sta *ifsta,
+		    struct ieee80211_elem_tspec *tp);
+void ieee80211_send_dls_req(struct net_device *dev,
+			    struct ieee80211_if_sta *ifsta,
+			    u8 *addr, u32 timeout);
+void ieee80211_send_dls_teardown(struct net_device *dev,
+				 struct ieee80211_if_sta *ifsta,
+				 u8 *mac, u16 reason);
+struct sta_info *dls_info_get(struct ieee80211_local *local, u8 *addr);
+void dls_info_add(struct ieee80211_if_sta *ifsta, struct sta_info *dls);
+void dls_info_stop(struct ieee80211_if_sta *ifsta);
+int dls_link_status(struct ieee80211_local *local, u8 *addr);
+
+/* ieee80211_iface.c */
+int ieee80211_if_add(struct net_device *dev, const char *name,
+		     struct net_device **new_dev, int type);
+void ieee80211_if_set_type(struct net_device *dev, int type);
+void ieee80211_if_reinit(struct net_device *dev);
+void __ieee80211_if_del(struct ieee80211_local *local,
+			struct ieee80211_sub_if_data *sdata);
+int ieee80211_if_remove(struct net_device *dev, const char *name, int id);
+void ieee80211_if_free(struct net_device *dev);
+void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
+int ieee80211_if_add_mgmt(struct ieee80211_local *local);
+void ieee80211_if_del_mgmt(struct ieee80211_local *local);
+
+/* for wiphy privid */
+extern void *mac80211_wiphy_privid;
+
+#endif /* IEEE80211_I_H */

package/mac80211/src/mac80211/ieee80211_iface.c

@@ -0,0 +1,361 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
+ *
+ * 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/kernel.h>
+#include <linux/if_arp.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "sta_info.h"
+#include "debugfs_netdev.h"
+
+void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
+{
+	int i;
+
+	/* Default values for sub-interface parameters */
+	sdata->drop_unencrypted = 0;
+	sdata->eapol = 1;
+	for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
+		skb_queue_head_init(&sdata->fragments[i].skb_list);
+}
+
+static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
+{
+	int i;
+
+	for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
+		__skb_queue_purge(&sdata->fragments[i].skb_list);
+	}
+}
+
+/* Must be called with rtnl lock held. */
+int ieee80211_if_add(struct net_device *dev, const char *name,
+		     struct net_device **new_dev, int type)
+{
+	struct net_device *ndev;
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = NULL;
+	int ret;
+
+	ASSERT_RTNL();
+	ndev = alloc_netdev(sizeof(struct ieee80211_sub_if_data),
+			    name, ieee80211_if_setup);
+	if (!ndev)
+		return -ENOMEM;
+
+	ret = dev_alloc_name(ndev, ndev->name);
+	if (ret < 0)
+		goto fail;
+
+	memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+	ndev->base_addr = dev->base_addr;
+	ndev->irq = dev->irq;
+	ndev->mem_start = dev->mem_start;
+	ndev->mem_end = dev->mem_end;
+	SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
+	ndev->ieee80211_ptr = &sdata->wdev;
+	sdata->wdev.wiphy = local->hw.wiphy;
+	sdata->type = IEEE80211_IF_TYPE_AP;
+	sdata->dev = ndev;
+	sdata->local = local;
+	ieee80211_if_sdata_init(sdata);
+
+	ret = register_netdevice(ndev);
+	if (ret)
+		goto fail;
+
+	ieee80211_debugfs_add_netdev(sdata);
+	ieee80211_if_set_type(ndev, type);
+
+	write_lock_bh(&local->sub_if_lock);
+	if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) {
+		write_unlock_bh(&local->sub_if_lock);
+		__ieee80211_if_del(local, sdata);
+		return -ENODEV;
+	}
+	list_add(&sdata->list, &local->sub_if_list);
+	if (new_dev)
+		*new_dev = ndev;
+	write_unlock_bh(&local->sub_if_lock);
+
+	ieee80211_update_default_wep_only(local);
+
+	return 0;
+
+fail:
+	free_netdev(ndev);
+	return ret;
+}
+
+int ieee80211_if_add_mgmt(struct ieee80211_local *local)
+{
+	struct net_device *ndev;
+	struct ieee80211_sub_if_data *nsdata;
+	int ret;
+
+	ASSERT_RTNL();
+
+	ndev = alloc_netdev(sizeof(struct ieee80211_sub_if_data), "wmgmt%d",
+			    ieee80211_if_mgmt_setup);
+	if (!ndev)
+		return -ENOMEM;
+	ret = dev_alloc_name(ndev, ndev->name);
+	if (ret < 0)
+		goto fail;
+
+	memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+	SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
+
+	nsdata = IEEE80211_DEV_TO_SUB_IF(ndev);
+	ndev->ieee80211_ptr = &nsdata->wdev;
+	nsdata->wdev.wiphy = local->hw.wiphy;
+	nsdata->type = IEEE80211_IF_TYPE_MGMT;
+	nsdata->dev = ndev;
+	nsdata->local = local;
+	ieee80211_if_sdata_init(nsdata);
+
+	ret = register_netdevice(ndev);
+	if (ret)
+		goto fail;
+
+	ieee80211_debugfs_add_netdev(nsdata);
+
+	if (local->open_count > 0)
+		dev_open(ndev);
+	local->apdev = ndev;
+	return 0;
+
+fail:
+	free_netdev(ndev);
+	return ret;
+}
+
+void ieee80211_if_del_mgmt(struct ieee80211_local *local)
+{
+	struct net_device *apdev;
+
+	ASSERT_RTNL();
+	apdev = local->apdev;
+	ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(apdev));
+	local->apdev = NULL;
+	unregister_netdevice(apdev);
+}
+
+void ieee80211_if_set_type(struct net_device *dev, int type)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	int oldtype = sdata->type;
+
+	sdata->type = type;
+	switch (type) {
+	case IEEE80211_IF_TYPE_WDS:
+		sdata->bss = NULL;
+		break;
+	case IEEE80211_IF_TYPE_VLAN:
+		break;
+	case IEEE80211_IF_TYPE_AP:
+		sdata->u.ap.dtim_period = 2;
+		sdata->u.ap.force_unicast_rateidx = -1;
+		sdata->u.ap.max_ratectrl_rateidx = -1;
+		skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
+		sdata->bss = &sdata->u.ap;
+		break;
+	case IEEE80211_IF_TYPE_STA:
+	case IEEE80211_IF_TYPE_IBSS: {
+		struct ieee80211_sub_if_data *msdata;
+		struct ieee80211_if_sta *ifsta;
+
+		ifsta = &sdata->u.sta;
+		INIT_WORK(&ifsta->work, ieee80211_sta_work);
+		setup_timer(&ifsta->timer, ieee80211_sta_timer,
+			    (unsigned long) sdata);
+		skb_queue_head_init(&ifsta->skb_queue);
+
+		init_timer(&ifsta->admit_timer);
+		ifsta->admit_timer.data = (unsigned long) dev;
+		ifsta->admit_timer.function = ieee80211_admit_refresh;
+
+		ifsta->capab = WLAN_CAPABILITY_ESS;
+		ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
+			IEEE80211_AUTH_ALG_SHARED_KEY;
+		ifsta->create_ibss = 1;
+		ifsta->wmm_enabled = 1;
+		ifsta->ht_enabled = 1;
+		ifsta->auto_channel_sel = 1;
+		ifsta->auto_bssid_sel = 1;
+
+		/* Initialize non-AP QSTA QoS Params */
+		ifsta->dot11EDCAAveragingPeriod = 5;
+		ifsta->MPDUExchangeTime = 0;
+
+		msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
+		sdata->bss = &msdata->u.ap;
+		break;
+	}
+	case IEEE80211_IF_TYPE_MNTR:
+		dev->type = ARPHRD_IEEE80211_RADIOTAP;
+		break;
+	default:
+		printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x",
+		       dev->name, __FUNCTION__, type);
+	}
+	ieee80211_debugfs_change_if_type(sdata, oldtype);
+	ieee80211_update_default_wep_only(local);
+}
+
+/* Must be called with rtnl lock held. */
+void ieee80211_if_reinit(struct net_device *dev)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct sta_info *sta;
+	int i;
+
+	ASSERT_RTNL();
+	ieee80211_if_sdata_deinit(sdata);
+	for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+		if (!sdata->keys[i])
+			continue;
+#if 0
+		/* The interface is down at the moment, so there is not
+		 * really much point in disabling the keys at this point. */
+		memset(addr, 0xff, ETH_ALEN);
+		if (local->ops->set_key)
+			local->ops->set_key(local_to_hw(local), DISABLE_KEY, addr,
+					    local->keys[i], 0);
+#endif
+		ieee80211_key_free(sdata->keys[i]);
+		sdata->keys[i] = NULL;
+	}
+
+	switch (sdata->type) {
+	case IEEE80211_IF_TYPE_AP: {
+		/* Remove all virtual interfaces that use this BSS
+		 * as their sdata->bss */
+		struct ieee80211_sub_if_data *tsdata, *n;
+		LIST_HEAD(tmp_list);
+
+		write_lock_bh(&local->sub_if_lock);
+		list_for_each_entry_safe(tsdata, n, &local->sub_if_list, list) {
+			if (tsdata != sdata && tsdata->bss == &sdata->u.ap) {
+				printk(KERN_DEBUG "%s: removing virtual "
+				       "interface %s because its BSS interface"
+				       " is being removed\n",
+				       sdata->dev->name, tsdata->dev->name);
+				list_move_tail(&tsdata->list, &tmp_list);
+			}
+		}
+		write_unlock_bh(&local->sub_if_lock);
+
+		list_for_each_entry_safe(tsdata, n, &tmp_list, list)
+			__ieee80211_if_del(local, tsdata);
+
+		kfree(sdata->u.ap.beacon_head);
+		kfree(sdata->u.ap.beacon_tail);
+		kfree(sdata->u.ap.generic_elem);
+
+		if (dev != local->mdev) {
+			struct sk_buff *skb;
+			while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
+				local->total_ps_buffered--;
+				dev_kfree_skb(skb);
+			}
+		}
+
+		break;
+	}
+	case IEEE80211_IF_TYPE_WDS:
+		sta = sta_info_get(local, sdata->u.wds.remote_addr);
+		if (sta) {
+			sta_info_put(sta);
+			sta_info_free(sta, 0);
+		} else {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+			printk(KERN_DEBUG "%s: Someone had deleted my STA "
+			       "entry for the WDS link\n", dev->name);
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+		}
+		break;
+	case IEEE80211_IF_TYPE_STA:
+	case IEEE80211_IF_TYPE_IBSS:
+		kfree(sdata->u.sta.extra_ie);
+		sdata->u.sta.extra_ie = NULL;
+		kfree(sdata->u.sta.assocreq_ies);
+		sdata->u.sta.assocreq_ies = NULL;
+		kfree(sdata->u.sta.assocresp_ies);
+		sdata->u.sta.assocresp_ies = NULL;
+		if (sdata->u.sta.probe_resp) {
+			dev_kfree_skb(sdata->u.sta.probe_resp);
+			sdata->u.sta.probe_resp = NULL;
+		}
+
+		break;
+	case IEEE80211_IF_TYPE_MNTR:
+		dev->type = ARPHRD_ETHER;
+		break;
+	}
+
+	/* remove all STAs that are bound to this virtual interface */
+	sta_info_flush(local, dev);
+
+	memset(&sdata->u, 0, sizeof(sdata->u));
+	ieee80211_if_sdata_init(sdata);
+}
+
+/* Must be called with rtnl lock held. */
+void __ieee80211_if_del(struct ieee80211_local *local,
+			struct ieee80211_sub_if_data *sdata)
+{
+	struct net_device *dev = sdata->dev;
+
+	ieee80211_debugfs_remove_netdev(sdata);
+	unregister_netdevice(dev);
+	/* Except master interface, the net_device will be freed by
+	 * net_device->destructor (i. e. ieee80211_if_free). */
+}
+
+/* Must be called with rtnl lock held. */
+int ieee80211_if_remove(struct net_device *dev, const char *name, int id)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata, *n;
+
+	ASSERT_RTNL();
+
+	write_lock_bh(&local->sub_if_lock);
+	list_for_each_entry_safe(sdata, n, &local->sub_if_list, list) {
+		if ((sdata->type == id || id == -1) &&
+		    strcmp(name, sdata->dev->name) == 0 &&
+		    sdata->dev != local->mdev) {
+			list_del(&sdata->list);
+			write_unlock_bh(&local->sub_if_lock);
+			__ieee80211_if_del(local, sdata);
+			ieee80211_update_default_wep_only(local);
+			return 0;
+		}
+	}
+	write_unlock_bh(&local->sub_if_lock);
+	return -ENODEV;
+}
+
+void ieee80211_if_free(struct net_device *dev)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	/* local->apdev must be NULL when freeing management interface */
+	BUG_ON(dev == local->apdev);
+	ieee80211_if_sdata_deinit(sdata);
+	free_netdev(dev);
+}

package/mac80211/src/mac80211/ieee80211_key.h

@@ -0,0 +1,106 @@
+/*
+ * 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 */

package/mac80211/src/mac80211/ieee80211_led.c

@@ -0,0 +1,91 @@
+/*
+ * 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);

package/mac80211/src/mac80211/ieee80211_led.h

@@ -0,0 +1,32 @@
+/*
+ * 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

package/mac80211/src/mac80211/ieee80211_rate.c

@@ -0,0 +1,140 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
+ *
+ * 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/kernel.h>
+#include "ieee80211_rate.h"
+#include "ieee80211_i.h"
+
+struct rate_control_alg {
+	struct list_head list;
+	struct rate_control_ops *ops;
+};
+
+static LIST_HEAD(rate_ctrl_algs);
+static DEFINE_MUTEX(rate_ctrl_mutex);
+
+int ieee80211_rate_control_register(struct rate_control_ops *ops)
+{
+	struct rate_control_alg *alg;
+
+	alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+	if (alg == NULL) {
+		return -ENOMEM;
+	}
+	memset(alg, 0, sizeof(*alg));
+	alg->ops = ops;
+
+	mutex_lock(&rate_ctrl_mutex);
+	list_add_tail(&alg->list, &rate_ctrl_algs);
+	mutex_unlock(&rate_ctrl_mutex);
+
+	return 0;
+}
+EXPORT_SYMBOL(ieee80211_rate_control_register);
+
+void ieee80211_rate_control_unregister(struct rate_control_ops *ops)
+{
+	struct rate_control_alg *alg;
+
+	mutex_lock(&rate_ctrl_mutex);
+	list_for_each_entry(alg, &rate_ctrl_algs, list) {
+		if (alg->ops == ops) {
+			list_del(&alg->list);
+			break;
+		}
+	}
+	mutex_unlock(&rate_ctrl_mutex);
+	kfree(alg);
+}
+EXPORT_SYMBOL(ieee80211_rate_control_unregister);
+
+static struct rate_control_ops *
+ieee80211_try_rate_control_ops_get(const char *name)
+{
+	struct rate_control_alg *alg;
+	struct rate_control_ops *ops = NULL;
+
+	mutex_lock(&rate_ctrl_mutex);
+	list_for_each_entry(alg, &rate_ctrl_algs, list) {
+		if (!name || !strcmp(alg->ops->name, name))
+			if (try_module_get(alg->ops->module)) {
+				ops = alg->ops;
+				break;
+			}
+	}
+	mutex_unlock(&rate_ctrl_mutex);
+	return ops;
+}
+
+/* Get the rate control algorithm. If `name' is NULL, get the first
+ * available algorithm. */
+static struct rate_control_ops *
+ieee80211_rate_control_ops_get(const char *name)
+{
+	struct rate_control_ops *ops;
+
+	ops = ieee80211_try_rate_control_ops_get(name);
+	if (!ops) {
+		request_module("rc80211_%s", name ? name : "default");
+		ops = ieee80211_try_rate_control_ops_get(name);
+	}
+	return ops;
+}
+
+static void ieee80211_rate_control_ops_put(struct rate_control_ops *ops)
+{
+	module_put(ops->module);
+}
+
+struct rate_control_ref *rate_control_alloc(const char *name,
+					    struct ieee80211_local *local)
+{
+	struct rate_control_ref *ref;
+
+	ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL);
+	if (!ref)
+		goto fail_ref;
+	kref_init(&ref->kref);
+	ref->ops = ieee80211_rate_control_ops_get(name);
+	if (!ref->ops)
+		goto fail_ops;
+	ref->priv = ref->ops->alloc(local);
+	if (!ref->priv)
+		goto fail_priv;
+	return ref;
+
+fail_priv:
+	ieee80211_rate_control_ops_put(ref->ops);
+fail_ops:
+	kfree(ref);
+fail_ref:
+	return NULL;
+}
+
+static void rate_control_release(struct kref *kref)
+{
+	struct rate_control_ref *ctrl_ref;
+
+	ctrl_ref = container_of(kref, struct rate_control_ref, kref);
+	ctrl_ref->ops->free(ctrl_ref->priv);
+	ieee80211_rate_control_ops_put(ctrl_ref->ops);
+	kfree(ctrl_ref);
+}
+
+struct rate_control_ref *rate_control_get(struct rate_control_ref *ref)
+{
+	kref_get(&ref->kref);
+	return ref;
+}
+
+void rate_control_put(struct rate_control_ref *ref)
+{
+	kref_put(&ref->kref, rate_control_release);
+}

package/mac80211/src/mac80211/ieee80211_rate.h

@@ -0,0 +1,144 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
+ *
+ * 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_RATE_H
+#define IEEE80211_RATE_H
+
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/types.h>
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "sta_info.h"
+
+#define RATE_CONTROL_NUM_DOWN 20
+#define RATE_CONTROL_NUM_UP   15
+
+
+struct rate_control_extra {
+	/* values from rate_control_get_rate() to the caller: */
+	struct ieee80211_rate *probe; /* probe with this rate, or NULL for no
+				       * probing */
+	struct ieee80211_rate *nonerp;
+
+	/* parameters from the caller to rate_control_get_rate(): */
+	struct ieee80211_hw_mode *mode;
+	int mgmt_data; /* this is data frame that is used for management
+			* (e.g., IEEE 802.1X EAPOL) */
+	u16 ethertype;
+};
+
+
+struct rate_control_ops {
+	struct module *module;
+	const char *name;
+	void (*tx_status)(void *priv, struct net_device *dev,
+			  struct sk_buff *skb,
+			  struct ieee80211_tx_status *status);
+	struct ieee80211_rate *(*get_rate)(void *priv, struct net_device *dev,
+					   struct sk_buff *skb,
+					   struct rate_control_extra *extra);
+	void (*rate_init)(void *priv, void *priv_sta,
+			  struct ieee80211_local *local, struct sta_info *sta);
+	void (*clear)(void *priv);
+
+	void *(*alloc)(struct ieee80211_local *local);
+	void (*free)(void *priv);
+	void *(*alloc_sta)(void *priv, gfp_t gfp);
+	void (*free_sta)(void *priv, void *priv_sta);
+
+	int (*add_attrs)(void *priv, struct kobject *kobj);
+	void (*remove_attrs)(void *priv, struct kobject *kobj);
+	void (*add_sta_debugfs)(void *priv, void *priv_sta,
+				struct dentry *dir);
+	void (*remove_sta_debugfs)(void *priv, void *priv_sta);
+};
+
+struct rate_control_ref {
+	struct rate_control_ops *ops;
+	void *priv;
+	struct kref kref;
+};
+
+int ieee80211_rate_control_register(struct rate_control_ops *ops);
+void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
+
+/* Get a reference to the rate control algorithm. If `name' is NULL, get the
+ * first available algorithm. */
+struct rate_control_ref *rate_control_alloc(const char *name,
+					    struct ieee80211_local *local);
+struct rate_control_ref *rate_control_get(struct rate_control_ref *ref);
+void rate_control_put(struct rate_control_ref *ref);
+
+static inline void rate_control_tx_status(struct ieee80211_local *local,
+					  struct net_device *dev,
+					  struct sk_buff *skb,
+					  struct ieee80211_tx_status *status)
+{
+	struct rate_control_ref *ref = local->rate_ctrl;
+	ref->ops->tx_status(ref->priv, dev, skb, status);
+}
+
+
+static inline struct ieee80211_rate *
+rate_control_get_rate(struct ieee80211_local *local, struct net_device *dev,
+		      struct sk_buff *skb, struct rate_control_extra *extra)
+{
+	struct rate_control_ref *ref = local->rate_ctrl;
+	return ref->ops->get_rate(ref->priv, dev, skb, extra);
+}
+
+
+static inline void rate_control_rate_init(struct sta_info *sta,
+					  struct ieee80211_local *local)
+{
+	struct rate_control_ref *ref = sta->rate_ctrl;
+	ref->ops->rate_init(ref->priv, sta->rate_ctrl_priv, local, sta);
+}
+
+
+static inline void rate_control_clear(struct ieee80211_local *local)
+{
+	struct rate_control_ref *ref = local->rate_ctrl;
+	ref->ops->clear(ref->priv);
+}
+
+static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
+					   gfp_t gfp)
+{
+	return ref->ops->alloc_sta(ref->priv, gfp);
+}
+
+static inline void rate_control_free_sta(struct rate_control_ref *ref,
+					 void *priv)
+{
+	ref->ops->free_sta(ref->priv, priv);
+}
+
+static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct rate_control_ref *ref = sta->rate_ctrl;
+	if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
+		ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
+					  sta->debugfs.dir);
+#endif
+}
+
+static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct rate_control_ref *ref = sta->rate_ctrl;
+	if (ref->ops->remove_sta_debugfs)
+		ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
+#endif
+}
+
+#endif /* IEEE80211_RATE_H */

package/mac80211/src/mac80211/michael.c

@@ -0,0 +1,104 @@
+/*
+ * 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);
+}

package/mac80211/src/mac80211/michael.h

@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+#ifndef MICHAEL_H
+#define MICHAEL_H
+
+#include <linux/types.h>
+
+#define MICHAEL_MIC_LEN 8
+
+void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority,
+		 u8 *data, size_t data_len, u8 *mic);
+
+#endif /* MICHAEL_H */

package/mac80211/src/mac80211/rc80211_lowest.c

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ * Copyright (c) 2006-2007 Jiri Benc <jbenc@suse.cz>
+ *
+ * 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/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/compiler.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "debugfs.h"
+
+static void rate_control_lowest_tx_status(void *priv, struct net_device *dev,
+                                          struct sk_buff *skb,
+                                          struct ieee80211_tx_status *status)
+{
+}
+
+static struct ieee80211_rate *
+rate_control_lowest_get_rate(void *priv, struct net_device *dev,
+                             struct sk_buff *skb,
+                             struct rate_control_extra *extra)
+{
+	struct ieee80211_hw_mode *mode = extra->mode;
+	int i;
+
+	for (i = 0; i < mode->num_rates; i++) {
+		struct ieee80211_rate *rate = &mode->rates[i];
+
+		if (rate->flags & IEEE80211_RATE_SUPPORTED)
+			return rate;
+	}
+	return &mode->rates[0];
+}
+
+static void rate_control_lowest_rate_init(void *priv, void *priv_sta,
+                                          struct ieee80211_local *local,
+                                          struct sta_info *sta)
+{
+	sta->txrate = 0;
+}
+
+static void *rate_control_lowest_alloc(struct ieee80211_local *local)
+{
+	return local;
+}
+
+static void rate_control_lowest_free(void *priv)
+{
+}
+
+static void rate_control_lowest_clear(void *priv)
+{
+}
+
+static void *rate_control_lowest_alloc_sta(void *priv, gfp_t gfp)
+{
+	return priv;
+}
+
+static void rate_control_lowest_free_sta(void *priv, void *priv_sta)
+{
+}
+
+static struct rate_control_ops rate_control_lowest = {
+	.module = THIS_MODULE,
+	.name = "lowest",
+	.tx_status = rate_control_lowest_tx_status,
+	.get_rate = rate_control_lowest_get_rate,
+	.rate_init = rate_control_lowest_rate_init,
+	.clear = rate_control_lowest_clear,
+	.alloc = rate_control_lowest_alloc,
+	.free = rate_control_lowest_free,
+	.alloc_sta = rate_control_lowest_alloc_sta,
+	.free_sta = rate_control_lowest_free_sta,
+};
+
+static int __init rate_control_lowest_init(void)
+{
+	return ieee80211_rate_control_register(&rate_control_lowest);
+}
+
+
+static void __exit rate_control_lowest_exit(void)
+{
+	ieee80211_rate_control_unregister(&rate_control_lowest);
+}
+
+
+module_init(rate_control_lowest_init);
+module_exit(rate_control_lowest_exit);
+
+MODULE_DESCRIPTION("Forced 1 mbps rate control module for mac80211");
+MODULE_LICENSE("GPL");
+

package/mac80211/src/mac80211/rc80211_simple.c

@@ -0,0 +1,433 @@
+/*
+ * Copyright 2002-2005, 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.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/compiler.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "debugfs.h"
+
+
+/* This is a minimal implementation of TX rate controlling that can be used
+ * as the default when no improved mechanisms are available. */
+
+
+#define RATE_CONTROL_EMERG_DEC 2
+#define RATE_CONTROL_INTERVAL (HZ / 20)
+#define RATE_CONTROL_MIN_TX 10
+
+MODULE_ALIAS("rc80211_default");
+
+static void rate_control_rate_inc(struct ieee80211_local *local,
+				  struct sta_info *sta)
+{
+	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_hw_mode *mode;
+	int i = sta->txrate;
+	int maxrate;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+	if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
+		/* forced unicast rate - do not change STA rate */
+		return;
+	}
+
+	mode = local->oper_hw_mode;
+	maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1;
+
+	if (i > mode->num_rates)
+		i = mode->num_rates - 2;
+
+	while (i + 1 < mode->num_rates) {
+		i++;
+		if (sta->supp_rates & BIT(i) &&
+		    mode->rates[i].flags & IEEE80211_RATE_SUPPORTED &&
+		    (maxrate < 0 || i <= maxrate)) {
+			sta->txrate = i;
+			break;
+		}
+	}
+}
+
+
+static void rate_control_rate_dec(struct ieee80211_local *local,
+				  struct sta_info *sta)
+{
+	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_hw_mode *mode;
+	int i = sta->txrate;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+	if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
+		/* forced unicast rate - do not change STA rate */
+		return;
+	}
+
+	mode = local->oper_hw_mode;
+	if (i > mode->num_rates)
+		i = mode->num_rates;
+
+	while (i > 0) {
+		i--;
+		if (sta->supp_rates & BIT(i) &&
+		    mode->rates[i].flags & IEEE80211_RATE_SUPPORTED) {
+			sta->txrate = i;
+			break;
+		}
+	}
+}
+
+
+static struct ieee80211_rate *
+rate_control_lowest_rate(struct ieee80211_local *local,
+			 struct ieee80211_hw_mode *mode)
+{
+	int i;
+
+	for (i = 0; i < mode->num_rates; i++) {
+		struct ieee80211_rate *rate = &mode->rates[i];
+
+		if (rate->flags & IEEE80211_RATE_SUPPORTED)
+			return rate;
+	}
+
+	printk(KERN_DEBUG "rate_control_lowest_rate - no supported rates "
+	       "found\n");
+	return &mode->rates[0];
+}
+
+
+struct global_rate_control {
+	int dummy;
+};
+
+struct sta_rate_control {
+	unsigned long last_rate_change;
+	u32 tx_num_failures;
+	u32 tx_num_xmit;
+
+	unsigned long avg_rate_update;
+	u32 tx_avg_rate_sum;
+	u32 tx_avg_rate_num;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct dentry *tx_avg_rate_sum_dentry;
+	struct dentry *tx_avg_rate_num_dentry;
+#endif
+};
+
+
+static void rate_control_simple_tx_status(void *priv, struct net_device *dev,
+					  struct sk_buff *skb,
+					  struct ieee80211_tx_status *status)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct sta_info *sta;
+	struct sta_rate_control *srctrl;
+
+	sta = sta_info_get(local, hdr->addr1);
+
+	if (!sta)
+	    return;
+
+	srctrl = sta->rate_ctrl_priv;
+	srctrl->tx_num_xmit++;
+	if (status->excessive_retries) {
+		sta->antenna_sel_tx = sta->antenna_sel_tx == 1 ? 2 : 1;
+		sta->antenna_sel_rx = sta->antenna_sel_rx == 1 ? 2 : 1;
+		if (local->sta_antenna_sel == STA_ANTENNA_SEL_SW_CTRL_DEBUG) {
+			printk(KERN_DEBUG "%s: " MAC_FMT " TX antenna --> %d "
+			       "RX antenna --> %d (@%lu)\n",
+			       dev->name, MAC_ARG(hdr->addr1),
+			       sta->antenna_sel_tx, sta->antenna_sel_rx, jiffies);
+		}
+		srctrl->tx_num_failures++;
+		sta->tx_retry_failed++;
+		sta->tx_num_consecutive_failures++;
+		sta->tx_num_mpdu_fail++;
+	} else {
+		sta->last_ack_rssi[0] = sta->last_ack_rssi[1];
+		sta->last_ack_rssi[1] = sta->last_ack_rssi[2];
+		sta->last_ack_rssi[2] = status->ack_signal;
+		sta->tx_num_consecutive_failures = 0;
+		sta->tx_num_mpdu_ok++;
+	}
+	sta->tx_retry_count += status->retry_count;
+	sta->tx_num_mpdu_fail += status->retry_count;
+
+	if (time_after(jiffies,
+		       srctrl->last_rate_change + RATE_CONTROL_INTERVAL) &&
+		srctrl->tx_num_xmit > RATE_CONTROL_MIN_TX) {
+		u32 per_failed;
+		srctrl->last_rate_change = jiffies;
+
+		per_failed = (100 * sta->tx_num_mpdu_fail) /
+			(sta->tx_num_mpdu_fail + sta->tx_num_mpdu_ok);
+		/* TODO: calculate average per_failed to make adjusting
+		 * parameters easier */
+#if 0
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "MPDU fail=%d ok=%d per_failed=%d\n",
+			       sta->tx_num_mpdu_fail, sta->tx_num_mpdu_ok,
+			       per_failed);
+		}
+#endif
+
+		if (per_failed > local->rate_ctrl_num_down) {
+			rate_control_rate_dec(local, sta);
+		} else if (per_failed < local->rate_ctrl_num_up) {
+			rate_control_rate_inc(local, sta);
+		}
+		srctrl->tx_avg_rate_sum += status->control.rate->rate;
+		srctrl->tx_avg_rate_num++;
+		srctrl->tx_num_failures = 0;
+		srctrl->tx_num_xmit = 0;
+	} else if (sta->tx_num_consecutive_failures >=
+		   RATE_CONTROL_EMERG_DEC) {
+		rate_control_rate_dec(local, sta);
+	}
+
+	if (srctrl->avg_rate_update + 60 * HZ < jiffies) {
+		srctrl->avg_rate_update = jiffies;
+		if (srctrl->tx_avg_rate_num > 0) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+			printk(KERN_DEBUG "%s: STA " MAC_FMT " Average rate: "
+			       "%d (%d/%d)\n",
+			       dev->name, MAC_ARG(sta->addr),
+			       srctrl->tx_avg_rate_sum /
+			       srctrl->tx_avg_rate_num,
+			       srctrl->tx_avg_rate_sum,
+			       srctrl->tx_avg_rate_num);
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+			srctrl->tx_avg_rate_sum = 0;
+			srctrl->tx_avg_rate_num = 0;
+		}
+	}
+
+	sta_info_put(sta);
+}
+
+
+static struct ieee80211_rate *
+rate_control_simple_get_rate(void *priv, struct net_device *dev,
+			     struct sk_buff *skb,
+			     struct rate_control_extra *extra)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_hw_mode *mode = extra->mode;
+	struct sta_info *sta;
+	int rateidx, nonerp_idx;
+	u16 fc;
+
+	memset(extra, 0, sizeof(*extra));
+
+	fc = le16_to_cpu(hdr->frame_control);
+	if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
+	    (hdr->addr1[0] & 0x01)) {
+		/* Send management frames and broadcast/multicast data using
+		 * lowest rate. */
+		/* TODO: this could probably be improved.. */
+		return rate_control_lowest_rate(local, mode);
+	}
+
+	sta = sta_info_get(local, hdr->addr1);
+
+	if (!sta)
+		return rate_control_lowest_rate(local, mode);
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
+		sta->txrate = sdata->bss->force_unicast_rateidx;
+
+	rateidx = sta->txrate;
+
+	if (rateidx >= mode->num_rates)
+		rateidx = mode->num_rates - 1;
+
+	sta->last_txrate = rateidx;
+	nonerp_idx = rateidx;
+	while (nonerp_idx > 0 &&
+	       ((mode->rates[nonerp_idx].flags & IEEE80211_RATE_ERP) ||
+		!(mode->rates[nonerp_idx].flags & IEEE80211_RATE_SUPPORTED) ||
+		!(sta->supp_rates & BIT(nonerp_idx))))
+		nonerp_idx--;
+	extra->nonerp = &mode->rates[nonerp_idx];
+
+	sta_info_put(sta);
+
+	return &mode->rates[rateidx];
+}
+
+
+static void rate_control_simple_rate_init(void *priv, void *priv_sta,
+					  struct ieee80211_local *local,
+					  struct sta_info *sta)
+{
+	struct ieee80211_hw_mode *mode;
+	int i;
+	sta->txrate = 0;
+	mode = local->oper_hw_mode;
+	/* TODO: This routine should consider using RSSI from previous packets
+	 * as we need to have IEEE 802.1X auth succeed immediately after assoc..
+	 * Until that method is implemented, we will use the lowest supported rate
+	 * as a workaround, */
+	for (i = 0; i < mode->num_rates; i++) {
+		if ((sta->supp_rates & BIT(i)) &&
+		    (mode->rates[i].flags & IEEE80211_RATE_SUPPORTED))
+			sta->txrate = i;
+			break;
+	}
+}
+
+
+static void * rate_control_simple_alloc(struct ieee80211_local *local)
+{
+	struct global_rate_control *rctrl;
+
+	rctrl = kzalloc(sizeof(*rctrl), GFP_ATOMIC);
+
+	return rctrl;
+}
+
+
+static void rate_control_simple_free(void *priv)
+{
+	struct global_rate_control *rctrl = priv;
+	kfree(rctrl);
+}
+
+
+static void rate_control_simple_clear(void *priv)
+{
+}
+
+
+static void * rate_control_simple_alloc_sta(void *priv, gfp_t gfp)
+{
+	struct sta_rate_control *rctrl;
+
+	rctrl = kzalloc(sizeof(*rctrl), gfp);
+
+	return rctrl;
+}
+
+
+static void rate_control_simple_free_sta(void *priv, void *priv_sta)
+{
+	struct sta_rate_control *rctrl = priv_sta;
+	kfree(rctrl);
+}
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+
+static int open_file_generic(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+	return 0;
+}
+
+static ssize_t sta_tx_avg_rate_sum_read(struct file *file,
+					char __user *userbuf,
+					size_t count, loff_t *ppos)
+{
+	struct sta_rate_control *srctrl = file->private_data;
+	char buf[20];
+
+	sprintf(buf, "%d\n", srctrl->tx_avg_rate_sum);
+	return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
+}
+
+static const struct file_operations sta_tx_avg_rate_sum_ops = {
+	.read = sta_tx_avg_rate_sum_read,
+	.open = open_file_generic,
+};
+
+static ssize_t sta_tx_avg_rate_num_read(struct file *file,
+					char __user *userbuf,
+					size_t count, loff_t *ppos)
+{
+	struct sta_rate_control *srctrl = file->private_data;
+	char buf[20];
+
+	sprintf(buf, "%d\n", srctrl->tx_avg_rate_num);
+	return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
+}
+
+static const struct file_operations sta_tx_avg_rate_num_ops = {
+	.read = sta_tx_avg_rate_num_read,
+	.open = open_file_generic,
+};
+
+static void rate_control_simple_add_sta_debugfs(void *priv, void *priv_sta,
+						struct dentry *dir)
+{
+	struct sta_rate_control *srctrl = priv_sta;
+
+	srctrl->tx_avg_rate_num_dentry =
+		debugfs_create_file("rc_simple_sta_tx_avg_rate_num", 0400,
+				    dir, srctrl, &sta_tx_avg_rate_num_ops);
+	srctrl->tx_avg_rate_sum_dentry =
+		debugfs_create_file("rc_simple_sta_tx_avg_rate_sum", 0400,
+				    dir, srctrl, &sta_tx_avg_rate_sum_ops);
+}
+
+static void rate_control_simple_remove_sta_debugfs(void *priv, void *priv_sta)
+{
+	struct sta_rate_control *srctrl = priv_sta;
+
+	debugfs_remove(srctrl->tx_avg_rate_sum_dentry);
+	debugfs_remove(srctrl->tx_avg_rate_num_dentry);
+}
+#endif
+
+static struct rate_control_ops rate_control_simple = {
+	.module = THIS_MODULE,
+	.name = "simple",
+	.tx_status = rate_control_simple_tx_status,
+	.get_rate = rate_control_simple_get_rate,
+	.rate_init = rate_control_simple_rate_init,
+	.clear = rate_control_simple_clear,
+	.alloc = rate_control_simple_alloc,
+	.free = rate_control_simple_free,
+	.alloc_sta = rate_control_simple_alloc_sta,
+	.free_sta = rate_control_simple_free_sta,
+#ifdef CONFIG_MAC80211_DEBUGFS
+	.add_sta_debugfs = rate_control_simple_add_sta_debugfs,
+	.remove_sta_debugfs = rate_control_simple_remove_sta_debugfs,
+#endif
+};
+
+
+static int __init rate_control_simple_init(void)
+{
+	return ieee80211_rate_control_register(&rate_control_simple);
+}
+
+
+static void __exit rate_control_simple_exit(void)
+{
+	ieee80211_rate_control_unregister(&rate_control_simple);
+}
+
+
+module_init(rate_control_simple_init);
+module_exit(rate_control_simple_exit);
+
+MODULE_DESCRIPTION("Simple rate control algorithm for ieee80211");
+MODULE_LICENSE("GPL");

package/mac80211/src/mac80211/sta_info.c

@@ -0,0 +1,496 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
+ *
+ * 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/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_rate.h"
+#include "sta_info.h"
+#include "debugfs_key.h"
+#include "debugfs_sta.h"
+
+/* Caller must hold local->sta_lock */
+static void sta_info_hash_add(struct ieee80211_local *local,
+			      struct sta_info *sta)
+{
+	sta->hnext = local->sta_hash[STA_HASH(sta->addr)];
+	local->sta_hash[STA_HASH(sta->addr)] = sta;
+}
+
+
+/* Caller must hold local->sta_lock */
+static void sta_info_hash_del(struct ieee80211_local *local,
+			      struct sta_info *sta, int dls)
+{
+	struct sta_info *s;
+
+	s = local->sta_hash[STA_HASH(sta->addr)];
+	if (!s)
+		return;
+	if (memcmp(s->addr, sta->addr, ETH_ALEN) == 0) {
+		if (dls && !s->dls_sta)
+			return;
+		local->sta_hash[STA_HASH(sta->addr)] = s->hnext;
+		return;
+	}
+
+	while (s->hnext && memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
+		s = s->hnext;
+	if (s->hnext) {
+		if (dls && !s->hnext->dls_sta)
+			return;
+		s->hnext = s->hnext->hnext;
+	} else
+		printk(KERN_ERR "%s: could not remove STA " MAC_FMT " from "
+		       "hash table\n", local->mdev->name, MAC_ARG(sta->addr));
+}
+
+static inline void __sta_info_get(struct sta_info *sta)
+{
+	kref_get(&sta->kref);
+}
+
+struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr)
+{
+	struct sta_info *sta;
+
+	spin_lock_bh(&local->sta_lock);
+	sta = local->sta_hash[STA_HASH(addr)];
+	while (sta) {
+		if (memcmp(sta->addr, addr, ETH_ALEN) == 0) {
+			__sta_info_get(sta);
+			break;
+		}
+		sta = sta->hnext;
+	}
+	spin_unlock_bh(&local->sta_lock);
+
+	return sta;
+}
+EXPORT_SYMBOL(sta_info_get);
+
+struct sta_info *dls_info_get(struct ieee80211_local *local, u8 *addr)
+{
+	struct sta_info *sta;
+
+	spin_lock_bh(&local->sta_lock);
+	sta = local->sta_hash[STA_HASH(addr)];
+	while (sta) {
+		if (memcmp(sta->addr, addr, ETH_ALEN) == 0) {
+			if (!sta->dls_sta) {
+				sta = NULL;
+				break;
+			}
+			__sta_info_get(sta);
+			break;
+		}
+		sta = sta->hnext;
+	}
+	spin_unlock_bh(&local->sta_lock);
+
+	return sta;
+}
+
+int sta_info_min_txrate_get(struct ieee80211_local *local)
+{
+	struct sta_info *sta;
+	struct ieee80211_hw_mode *mode;
+	int min_txrate = 9999999;
+	int i;
+
+	spin_lock_bh(&local->sta_lock);
+	mode = local->oper_hw_mode;
+	for (i = 0; i < STA_HASH_SIZE; i++) {
+		sta = local->sta_hash[i];
+		while (sta) {
+			if (sta->txrate < min_txrate)
+				min_txrate = sta->txrate;
+			sta = sta->hnext;
+		}
+	}
+	spin_unlock_bh(&local->sta_lock);
+	if (min_txrate == 9999999)
+		min_txrate = 0;
+
+	return mode->rates[min_txrate].rate;
+}
+
+
+static void sta_info_release(struct kref *kref)
+{
+	struct sta_info *sta = container_of(kref, struct sta_info, kref);
+	struct ieee80211_local *local = sta->local;
+	struct sk_buff *skb;
+
+	/* free sta structure; it has already been removed from
+	 * hash table etc. external structures. Make sure that all
+	 * buffered frames are release (one might have been added
+	 * after sta_info_free() was called). */
+	while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
+		local->total_ps_buffered--;
+		dev_kfree_skb_any(skb);
+	}
+	while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
+		dev_kfree_skb_any(skb);
+	}
+	rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv);
+	rate_control_put(sta->rate_ctrl);
+	if (sta->key)
+		ieee80211_debugfs_key_sta_del(sta->key, sta);
+	kfree(sta);
+}
+
+
+void sta_info_put(struct sta_info *sta)
+{
+	kref_put(&sta->kref, sta_info_release);
+}
+EXPORT_SYMBOL(sta_info_put);
+
+
+struct sta_info * sta_info_add(struct ieee80211_local *local,
+			       struct net_device *dev, u8 *addr, gfp_t gfp)
+{
+	struct sta_info *sta;
+
+	sta = kzalloc(sizeof(*sta), gfp);
+	if (!sta)
+		return NULL;
+
+	kref_init(&sta->kref);
+
+	sta->rate_ctrl = rate_control_get(local->rate_ctrl);
+	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl, gfp);
+	if (!sta->rate_ctrl_priv) {
+		rate_control_put(sta->rate_ctrl);
+		kref_put(&sta->kref, sta_info_release);
+		kfree(sta);
+		return NULL;
+	}
+
+	memcpy(sta->addr, addr, ETH_ALEN);
+	sta->local = local;
+	sta->dev = dev;
+	skb_queue_head_init(&sta->ps_tx_buf);
+	skb_queue_head_init(&sta->tx_filtered);
+	__sta_info_get(sta);	/* sta used by caller, decremented by
+				 * sta_info_put() */
+	spin_lock_bh(&local->sta_lock);
+	list_add(&sta->list, &local->sta_list);
+	local->num_sta++;
+	sta_info_hash_add(local, sta);
+	spin_unlock_bh(&local->sta_lock);
+	if (local->ops->sta_table_notification)
+		local->ops->sta_table_notification(local_to_hw(local),
+						  local->num_sta);
+	sta->key_idx_compression = HW_KEY_IDX_INVALID;
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	printk(KERN_DEBUG "%s: Added STA " MAC_FMT "\n",
+	       local->mdev->name, MAC_ARG(addr));
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	if (!in_interrupt()) {
+		sta->debugfs_registered = 1;
+		ieee80211_sta_debugfs_add(sta);
+		rate_control_add_sta_debugfs(sta);
+	} else {
+		/* debugfs entry adding might sleep, so schedule process
+		 * context task for adding entry for STAs that do not yet
+		 * have one. */
+		queue_work(local->hw.workqueue, &local->sta_debugfs_add);
+	}
+#endif
+
+	return sta;
+}
+
+static void finish_sta_info_free(struct ieee80211_local *local,
+				 struct sta_info *sta)
+{
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n",
+	       local->mdev->name, MAC_ARG(sta->addr));
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+
+	if (sta->key) {
+		ieee80211_debugfs_key_remove(sta->key);
+		ieee80211_key_free(sta->key);
+		sta->key = NULL;
+	}
+
+	rate_control_remove_sta_debugfs(sta);
+	ieee80211_sta_debugfs_remove(sta);
+
+	sta_info_put(sta);
+}
+
+static void sta_info_remove(struct sta_info *sta)
+{
+	struct ieee80211_local *local = sta->local;
+	struct ieee80211_sub_if_data *sdata;
+
+	sta_info_hash_del(local, sta, 0);
+	list_del(&sta->list);
+	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+	if (sta->flags & WLAN_STA_PS) {
+		sta->flags &= ~WLAN_STA_PS;
+		if (sdata->bss)
+			atomic_dec(&sdata->bss->num_sta_ps);
+	}
+	local->num_sta--;
+	sta_info_remove_aid_ptr(sta);
+}
+
+void sta_info_free(struct sta_info *sta, int locked)
+{
+	struct sk_buff *skb;
+	struct ieee80211_local *local = sta->local;
+
+	if (!locked) {
+		spin_lock_bh(&local->sta_lock);
+		sta_info_remove(sta);
+		spin_unlock_bh(&local->sta_lock);
+	} else {
+		sta_info_remove(sta);
+	}
+	if (local->ops->sta_table_notification)
+		local->ops->sta_table_notification(local_to_hw(local),
+						  local->num_sta);
+
+	while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
+		local->total_ps_buffered--;
+		dev_kfree_skb_any(skb);
+	}
+	while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
+		dev_kfree_skb_any(skb);
+	}
+
+	if (sta->key) {
+		if (local->ops->set_key) {
+			struct ieee80211_key_conf *key;
+			key = ieee80211_key_data2conf(local, sta->key);
+			if (key) {
+				local->ops->set_key(local_to_hw(local),
+						   DISABLE_KEY,
+						   sta->addr, key, sta->aid);
+				kfree(key);
+			}
+		}
+	} else if (sta->key_idx_compression != HW_KEY_IDX_INVALID) {
+		struct ieee80211_key_conf conf;
+		memset(&conf, 0, sizeof(conf));
+		conf.hw_key_idx = sta->key_idx_compression;
+		conf.alg = ALG_NULL;
+		conf.flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT;
+		local->ops->set_key(local_to_hw(local), DISABLE_KEY,
+				   sta->addr, &conf, sta->aid);
+		sta->key_idx_compression = HW_KEY_IDX_INVALID;
+	}
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	if (in_atomic()) {
+		list_add(&sta->list, &local->deleted_sta_list);
+		queue_work(local->hw.workqueue, &local->sta_debugfs_add);
+	} else
+#endif
+		finish_sta_info_free(local, sta);
+}
+
+
+static inline int sta_info_buffer_expired(struct ieee80211_local *local,
+					  struct sta_info *sta,
+					  struct sk_buff *skb)
+{
+	struct ieee80211_tx_packet_data *pkt_data;
+	int timeout;
+
+	if (!skb)
+		return 0;
+
+	pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
+
+	/* Timeout: (2 * listen_interval * beacon_int * 1024 / 1000000) sec */
+	timeout = (sta->listen_interval * local->hw.conf.beacon_int * 32 /
+		   15625) * HZ;
+	if (timeout < STA_TX_BUFFER_EXPIRE)
+		timeout = STA_TX_BUFFER_EXPIRE;
+	return time_after(jiffies, pkt_data->jiffies + timeout);
+}
+
+
+static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
+					     struct sta_info *sta)
+{
+	unsigned long flags;
+	struct sk_buff *skb;
+
+	if (skb_queue_empty(&sta->ps_tx_buf))
+		return;
+
+	for (;;) {
+		spin_lock_irqsave(&sta->ps_tx_buf.lock, flags);
+		skb = skb_peek(&sta->ps_tx_buf);
+		if (sta_info_buffer_expired(local, sta, skb)) {
+			skb = __skb_dequeue(&sta->ps_tx_buf);
+			if (skb_queue_empty(&sta->ps_tx_buf))
+				sta->flags &= ~WLAN_STA_TIM;
+		} else
+			skb = NULL;
+		spin_unlock_irqrestore(&sta->ps_tx_buf.lock, flags);
+
+		if (skb) {
+			local->total_ps_buffered--;
+			printk(KERN_DEBUG "Buffered frame expired (STA "
+			       MAC_FMT ")\n", MAC_ARG(sta->addr));
+			dev_kfree_skb(skb);
+		} else
+			break;
+	}
+}
+
+
+static void sta_info_cleanup(unsigned long data)
+{
+	struct ieee80211_local *local = (struct ieee80211_local *) data;
+	struct sta_info *sta;
+
+	spin_lock_bh(&local->sta_lock);
+	list_for_each_entry(sta, &local->sta_list, list) {
+		__sta_info_get(sta);
+		sta_info_cleanup_expire_buffered(local, sta);
+		sta_info_put(sta);
+	}
+	spin_unlock_bh(&local->sta_lock);
+
+	local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
+	add_timer(&local->sta_cleanup);
+}
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+static void sta_info_debugfs_add_task(struct work_struct *work)
+{
+	struct ieee80211_local *local =
+		container_of(work, struct ieee80211_local, sta_debugfs_add);
+	struct sta_info *sta, *tmp;
+
+	while (1) {
+		spin_lock_bh(&local->sta_lock);
+		if (!list_empty(&local->deleted_sta_list)) {
+			sta = list_entry(local->deleted_sta_list.next,
+					 struct sta_info, list);
+			list_del(local->deleted_sta_list.next);
+		} else
+			sta = NULL;
+		spin_unlock_bh(&local->sta_lock);
+		if (!sta)
+			break;
+		finish_sta_info_free(local, sta);
+	}
+
+	while (1) {
+		sta = NULL;
+		spin_lock_bh(&local->sta_lock);
+		list_for_each_entry(tmp, &local->sta_list, list) {
+			if (!tmp->debugfs_registered) {
+				sta = tmp;
+				__sta_info_get(sta);
+				break;
+			}
+		}
+		spin_unlock_bh(&local->sta_lock);
+
+		if (!sta)
+			break;
+
+		sta->debugfs_registered = 1;
+		ieee80211_sta_debugfs_add(sta);
+		rate_control_add_sta_debugfs(sta);
+		sta_info_put(sta);
+	}
+}
+#endif
+
+void sta_info_init(struct ieee80211_local *local)
+{
+	spin_lock_init(&local->sta_lock);
+	INIT_LIST_HEAD(&local->sta_list);
+	INIT_LIST_HEAD(&local->deleted_sta_list);
+
+	init_timer(&local->sta_cleanup);
+	local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
+	local->sta_cleanup.data = (unsigned long) local;
+	local->sta_cleanup.function = sta_info_cleanup;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	INIT_WORK(&local->sta_debugfs_add, sta_info_debugfs_add_task);
+#endif
+}
+
+int sta_info_start(struct ieee80211_local *local)
+{
+	add_timer(&local->sta_cleanup);
+	return 0;
+}
+
+void sta_info_stop(struct ieee80211_local *local)
+{
+	struct sta_info *sta, *tmp;
+
+	del_timer(&local->sta_cleanup);
+
+	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {
+		/* sta_info_free must be called with 0 as the last
+		 * parameter to ensure all debugfs sta entries are
+		 * unregistered. We don't need locking at this
+		 * point. */
+		sta_info_free(sta, 0);
+	}
+}
+
+void sta_info_remove_aid_ptr(struct sta_info *sta)
+{
+	struct ieee80211_sub_if_data *sdata;
+
+	if (sta->aid <= 0)
+		return;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+
+	if (sdata->local->ops->set_tim)
+		sdata->local->ops->set_tim(local_to_hw(sdata->local),
+					  sta->aid, 0);
+	if (sdata->bss)
+		__bss_tim_clear(sdata->bss, sta->aid);
+}
+
+
+/**
+ * sta_info_flush - flush matching STA entries from the STA table
+ * @local: local interface data
+ * @dev: matching rule for the net device (sta->dev) or %NULL to match all STAs
+ */
+void sta_info_flush(struct ieee80211_local *local, struct net_device *dev)
+{
+	struct sta_info *sta, *tmp;
+
+	spin_lock_bh(&local->sta_lock);
+	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
+		if (!dev || dev == sta->dev)
+			sta_info_free(sta, 1);
+	spin_unlock_bh(&local->sta_lock);
+}

package/mac80211/src/mac80211/sta_info.h

@@ -0,0 +1,175 @@
+/*
+ * Copyright 2002-2005, 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 STA_INFO_H
+#define STA_INFO_H
+
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/if_ether.h>
+#include <linux/kref.h>
+#include "ieee80211_key.h"
+
+/* Stations flags (struct sta_info::flags) */
+#define WLAN_STA_AUTH BIT(0)
+#define WLAN_STA_ASSOC BIT(1)
+#define WLAN_STA_PS BIT(2)
+#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */
+#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */
+#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is
+				    * controlling whether STA is authorized to
+				    * send and receive non-IEEE 802.1X frames
+				    */
+#define WLAN_STA_SHORT_PREAMBLE BIT(7)
+#define WLAN_STA_WME BIT(9)
+#define WLAN_STA_HT  BIT(10)
+#define WLAN_STA_WDS BIT(27)
+
+
+struct sta_info {
+	struct kref kref;
+	struct list_head list;
+	struct sta_info *hnext; /* next entry in hash table list */
+
+	struct ieee80211_local *local;
+
+	u8 addr[ETH_ALEN];
+	u16 aid; /* STA's unique AID (1..2007), 0 = not yet assigned */
+	u32 flags; /* WLAN_STA_ */
+
+	struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in
+					* power saving state */
+	int pspoll; /* whether STA has send a PS Poll frame */
+	struct sk_buff_head tx_filtered; /* buffer of TX frames that were
+					  * already given to low-level driver,
+					  * but were filtered */
+	int clear_dst_mask;
+
+	unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */
+	unsigned long rx_bytes, tx_bytes;
+	unsigned long tx_retry_failed, tx_retry_count;
+	unsigned long tx_filtered_count;
+
+	unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */
+
+	unsigned long last_rx;
+	u32 supp_rates; /* bitmap of supported rates in local->curr_rates */
+	int txrate; /* index in local->curr_rates */
+	int last_txrate; /* last rate used to send a frame to this STA */
+	int last_nonerp_idx;
+
+	struct net_device *dev; /* which net device is this station associated
+				 * to */
+
+	struct ieee80211_key *key;
+
+	u32 tx_num_consecutive_failures;
+	u32 tx_num_mpdu_ok;
+	u32 tx_num_mpdu_fail;
+
+	struct rate_control_ref *rate_ctrl;
+	void *rate_ctrl_priv;
+
+	/* last received seq/frag number from this STA (per RX queue) */
+	__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
+	unsigned long num_duplicates; /* number of duplicate frames received
+				       * from this STA */
+	unsigned long tx_fragments; /* number of transmitted MPDUs */
+	unsigned long rx_fragments; /* number of received MPDUs */
+	unsigned long rx_dropped; /* number of dropped MPDUs from this STA */
+
+	int last_rssi; /* RSSI of last received frame from this STA */
+	int last_signal; /* signal of last received frame from this STA */
+	int last_noise; /* noise of last received frame from this STA */
+	int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */
+	unsigned long last_ack;
+	int channel_use;
+	int channel_use_raw;
+
+	u8 antenna_sel_tx;
+	u8 antenna_sel_rx;
+
+
+	int key_idx_compression; /* key table index for compression and TX
+				  * filtering; used only if sta->key is not
+				  * set */
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	int debugfs_registered;
+#endif
+	unsigned int assoc_ap:1; /* whether this is an AP that we are
+				  * associated with as a client */
+	unsigned int dls_sta:1; /* whether this stations is a DLS peer of us */
+
+#define DLS_STATUS_OK		0
+#define DLS_STATUS_NOLINK	1
+	int dls_status;
+	u32 dls_timeout;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	u32 wpa_trigger;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
+	unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
+#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
+
+	int vlan_id;
+
+	u16 listen_interval;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct sta_info_debugfsdentries {
+		struct dentry *dir;
+		struct dentry *flags;
+		struct dentry *num_ps_buf_frames;
+		struct dentry *last_ack_rssi;
+		struct dentry *last_ack_ms;
+		struct dentry *inactive_ms;
+		struct dentry *last_seq_ctrl;
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+		struct dentry *wme_rx_queue;
+		struct dentry *wme_tx_queue;
+#endif
+	} debugfs;
+#endif
+};
+
+
+/* Maximum number of concurrently registered stations */
+#define MAX_STA_COUNT 2007
+
+#define STA_HASH_SIZE 256
+#define STA_HASH(sta) (sta[5])
+
+
+/* Maximum number of frames to buffer per power saving station */
+#define STA_MAX_TX_BUFFER 128
+
+/* Minimum buffered frame expiry time. If STA uses listen interval that is
+ * smaller than this value, the minimum value here is used instead. */
+#define STA_TX_BUFFER_EXPIRE (10 * HZ)
+
+/* How often station data is cleaned up (e.g., expiration of buffered frames)
+ */
+#define STA_INFO_CLEANUP_INTERVAL (10 * HZ)
+
+struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr);
+int sta_info_min_txrate_get(struct ieee80211_local *local);
+void sta_info_put(struct sta_info *sta);
+struct sta_info * sta_info_add(struct ieee80211_local *local,
+			       struct net_device *dev, u8 *addr, gfp_t gfp);
+void sta_info_free(struct sta_info *sta, int locked);
+void sta_info_init(struct ieee80211_local *local);
+int sta_info_start(struct ieee80211_local *local);
+void sta_info_stop(struct ieee80211_local *local);
+void sta_info_remove_aid_ptr(struct sta_info *sta);
+void sta_info_flush(struct ieee80211_local *local, struct net_device *dev);
+
+#endif /* STA_INFO_H */

package/mac80211/src/mac80211/tkip.c

@@ -0,0 +1,341 @@
+/*
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/netdevice.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_key.h"
+#include "tkip.h"
+#include "wep.h"
+
+
+/* TKIP key mixing functions */
+
+
+#define PHASE1_LOOP_COUNT 8
+
+
+/* 2-byte by 2-byte subset of the full AES S-box table; second part of this
+ * table is identical to first part but byte-swapped */
+static const u16 tkip_sbox[256] =
+{
+	0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
+	0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
+	0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B,
+	0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B,
+	0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F,
+	0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F,
+	0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5,
+	0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F,
+	0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB,
+	0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397,
+	0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED,
+	0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A,
+	0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194,
+	0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3,
+	0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104,
+	0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D,
+	0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39,
+	0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695,
+	0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83,
+	0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76,
+	0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4,
+	0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B,
+	0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0,
+	0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018,
+	0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751,
+	0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85,
+	0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12,
+	0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9,
+	0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7,
+	0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A,
+	0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8,
+	0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A,
+};
+
+
+static inline u16 Mk16(u8 x, u8 y)
+{
+	return ((u16) x << 8) | (u16) y;
+}
+
+
+static inline u8 Hi8(u16 v)
+{
+	return v >> 8;
+}
+
+
+static inline u8 Lo8(u16 v)
+{
+	return v & 0xff;
+}
+
+
+static inline u16 Hi16(u32 v)
+{
+	return v >> 16;
+}
+
+
+static inline u16 Lo16(u32 v)
+{
+	return v & 0xffff;
+}
+
+
+static inline u16 RotR1(u16 v)
+{
+	return (v >> 1) | ((v & 0x0001) << 15);
+}
+
+
+static inline u16 tkip_S(u16 val)
+{
+	u16 a = tkip_sbox[Hi8(val)];
+
+	return tkip_sbox[Lo8(val)] ^ Hi8(a) ^ (Lo8(a) << 8);
+}
+
+
+
+/* P1K := Phase1(TA, TK, TSC)
+ * TA = transmitter address (48 bits)
+ * TK = dot11DefaultKeyValue or dot11KeyMappingValue (128 bits)
+ * TSC = TKIP sequence counter (48 bits, only 32 msb bits used)
+ * P1K: 80 bits
+ */
+static void tkip_mixing_phase1(const u8 *ta, const u8 *tk, u32 tsc_IV32,
+			       u16 *p1k)
+{
+	int i, j;
+
+	p1k[0] = Lo16(tsc_IV32);
+	p1k[1] = Hi16(tsc_IV32);
+	p1k[2] = Mk16(ta[1], ta[0]);
+	p1k[3] = Mk16(ta[3], ta[2]);
+	p1k[4] = Mk16(ta[5], ta[4]);
+
+	for (i = 0; i < PHASE1_LOOP_COUNT; i++) {
+		j = 2 * (i & 1);
+		p1k[0] += tkip_S(p1k[4] ^ Mk16(tk[ 1 + j], tk[ 0 + j]));
+		p1k[1] += tkip_S(p1k[0] ^ Mk16(tk[ 5 + j], tk[ 4 + j]));
+		p1k[2] += tkip_S(p1k[1] ^ Mk16(tk[ 9 + j], tk[ 8 + j]));
+		p1k[3] += tkip_S(p1k[2] ^ Mk16(tk[13 + j], tk[12 + j]));
+		p1k[4] += tkip_S(p1k[3] ^ Mk16(tk[ 1 + j], tk[ 0 + j])) + i;
+	}
+}
+
+
+static void tkip_mixing_phase2(const u16 *p1k, const u8 *tk, u16 tsc_IV16,
+			       u8 *rc4key)
+{
+	u16 ppk[6];
+	int i;
+
+	ppk[0] = p1k[0];
+	ppk[1] = p1k[1];
+	ppk[2] = p1k[2];
+	ppk[3] = p1k[3];
+	ppk[4] = p1k[4];
+	ppk[5] = p1k[4] + tsc_IV16;
+
+	ppk[0] += tkip_S(ppk[5] ^ Mk16(tk[ 1], tk[ 0]));
+	ppk[1] += tkip_S(ppk[0] ^ Mk16(tk[ 3], tk[ 2]));
+	ppk[2] += tkip_S(ppk[1] ^ Mk16(tk[ 5], tk[ 4]));
+	ppk[3] += tkip_S(ppk[2] ^ Mk16(tk[ 7], tk[ 6]));
+	ppk[4] += tkip_S(ppk[3] ^ Mk16(tk[ 9], tk[ 8]));
+	ppk[5] += tkip_S(ppk[4] ^ Mk16(tk[11], tk[10]));
+	ppk[0] +=  RotR1(ppk[5] ^ Mk16(tk[13], tk[12]));
+	ppk[1] +=  RotR1(ppk[0] ^ Mk16(tk[15], tk[14]));
+	ppk[2] +=  RotR1(ppk[1]);
+	ppk[3] +=  RotR1(ppk[2]);
+	ppk[4] +=  RotR1(ppk[3]);
+	ppk[5] +=  RotR1(ppk[4]);
+
+	rc4key[0] = Hi8(tsc_IV16);
+	rc4key[1] = (Hi8(tsc_IV16) | 0x20) & 0x7f;
+	rc4key[2] = Lo8(tsc_IV16);
+	rc4key[3] = Lo8((ppk[5] ^ Mk16(tk[1], tk[0])) >> 1);
+
+	for (i = 0; i < 6; i++) {
+		rc4key[4 + 2 * i] = Lo8(ppk[i]);
+		rc4key[5 + 2 * i] = Hi8(ppk[i]);
+	}
+}
+
+
+/* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets
+ * of the IV. Returns pointer to the octet following IVs (i.e., beginning of
+ * the packet payload). */
+u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key,
+			   u8 iv0, u8 iv1, u8 iv2)
+{
+	*pos++ = iv0;
+	*pos++ = iv1;
+	*pos++ = iv2;
+	*pos++ = (key->keyidx << 6) | (1 << 5) /* Ext IV */;
+	*pos++ = key->u.tkip.iv32 & 0xff;
+	*pos++ = (key->u.tkip.iv32 >> 8) & 0xff;
+	*pos++ = (key->u.tkip.iv32 >> 16) & 0xff;
+	*pos++ = (key->u.tkip.iv32 >> 24) & 0xff;
+	return pos;
+}
+
+
+void ieee80211_tkip_gen_phase1key(struct ieee80211_key *key, u8 *ta,
+				  u16 *phase1key)
+{
+	tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
+			   key->u.tkip.iv32, phase1key);
+}
+
+void ieee80211_tkip_gen_rc4key(struct ieee80211_key *key, u8 *ta,
+			       u8 *rc4key)
+{
+	/* Calculate per-packet key */
+	if (key->u.tkip.iv16 == 0 || !key->u.tkip.tx_initialized) {
+		/* IV16 wrapped around - perform TKIP phase 1 */
+		tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
+				   key->u.tkip.iv32, key->u.tkip.p1k);
+		key->u.tkip.tx_initialized = 1;
+	}
+
+	tkip_mixing_phase2(key->u.tkip.p1k, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
+			   key->u.tkip.iv16, rc4key);
+}
+
+/* Encrypt packet payload with TKIP using @key. @pos is a pointer to the
+ * beginning of the buffer containing payload. This payload must include
+ * headroom of eight octets for IV and Ext. IV and taildroom of four octets
+ * for ICV. @payload_len is the length of payload (_not_ including extra
+ * headroom and tailroom). @ta is the transmitter addresses. */
+void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
+				 struct ieee80211_key *key,
+				 u8 *pos, size_t payload_len, u8 *ta)
+{
+	u8 rc4key[16];
+
+	ieee80211_tkip_gen_rc4key(key, ta, rc4key);
+	pos = ieee80211_tkip_add_iv(pos, key, rc4key[0], rc4key[1], rc4key[2]);
+	ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
+}
+
+
+/* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
+ * beginning of the buffer containing IEEE 802.11 header payload, i.e.,
+ * including IV, Ext. IV, real data, Michael MIC, ICV. @payload_len is the
+ * length of payload, including IV, Ext. IV, MIC, ICV.  */
+int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
+				struct ieee80211_key *key,
+				u8 *payload, size_t payload_len, u8 *ta,
+				int only_iv, int queue)
+{
+	u32 iv32;
+	u32 iv16;
+	u8 rc4key[16], keyid, *pos = payload;
+	int res;
+
+	if (payload_len < 12)
+		return -1;
+
+	iv16 = (pos[0] << 8) | pos[2];
+	keyid = pos[3];
+	iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24);
+	pos += 8;
+#ifdef CONFIG_TKIP_DEBUG
+	{
+		int i;
+		printk(KERN_DEBUG "TKIP decrypt: data(len=%zd)", payload_len);
+		for (i = 0; i < payload_len; i++)
+			printk(" %02x", payload[i]);
+		printk("\n");
+		printk(KERN_DEBUG "TKIP decrypt: iv16=%04x iv32=%08x\n",
+		       iv16, iv32);
+	}
+#endif /* CONFIG_TKIP_DEBUG */
+
+	if (!(keyid & (1 << 5)))
+		return TKIP_DECRYPT_NO_EXT_IV;
+
+	if ((keyid >> 6) != key->keyidx)
+		return TKIP_DECRYPT_INVALID_KEYIDX;
+
+	if (key->u.tkip.rx_initialized[queue] &&
+	    (iv32 < key->u.tkip.iv32_rx[queue] ||
+	     (iv32 == key->u.tkip.iv32_rx[queue] &&
+	      iv16 <= key->u.tkip.iv16_rx[queue]))) {
+#ifdef CONFIG_TKIP_DEBUG
+		printk(KERN_DEBUG "TKIP replay detected for RX frame from "
+		       MAC_FMT " (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
+		       MAC_ARG(ta),
+		       iv32, iv16, key->u.tkip.iv32_rx[queue],
+		       key->u.tkip.iv16_rx[queue]);
+#endif /* CONFIG_TKIP_DEBUG */
+		return TKIP_DECRYPT_REPLAY;
+	}
+
+	if (only_iv) {
+		res = TKIP_DECRYPT_OK;
+		key->u.tkip.rx_initialized[queue] = 1;
+		goto done;
+	}
+
+	if (!key->u.tkip.rx_initialized[queue] ||
+	    key->u.tkip.iv32_rx[queue] != iv32) {
+		key->u.tkip.rx_initialized[queue] = 1;
+		/* IV16 wrapped around - perform TKIP phase 1 */
+		tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
+				   iv32, key->u.tkip.p1k_rx[queue]);
+#ifdef CONFIG_TKIP_DEBUG
+		{
+			int i;
+			printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=" MAC_FMT
+			       " TK=", MAC_ARG(ta));
+			for (i = 0; i < 16; i++)
+				printk("%02x ",
+				       key->key[ALG_TKIP_TEMP_ENCR_KEY + i]);
+			printk("\n");
+			printk(KERN_DEBUG "TKIP decrypt: P1K=");
+			for (i = 0; i < 5; i++)
+				printk("%04x ", key->u.tkip.p1k_rx[queue][i]);
+			printk("\n");
+		}
+#endif /* CONFIG_TKIP_DEBUG */
+	}
+
+	tkip_mixing_phase2(key->u.tkip.p1k_rx[queue],
+			   &key->key[ALG_TKIP_TEMP_ENCR_KEY],
+			   iv16, rc4key);
+#ifdef CONFIG_TKIP_DEBUG
+	{
+		int i;
+		printk(KERN_DEBUG "TKIP decrypt: Phase2 rc4key=");
+		for (i = 0; i < 16; i++)
+			printk("%02x ", rc4key[i]);
+		printk("\n");
+	}
+#endif /* CONFIG_TKIP_DEBUG */
+
+	res = ieee80211_wep_decrypt_data(tfm, rc4key, 16, pos, payload_len - 12);
+ done:
+	if (res == TKIP_DECRYPT_OK) {
+		/* FIX: these should be updated only after Michael MIC has been
+		 * verified */
+		/* Record previously received IV */
+		key->u.tkip.iv32_rx[queue] = iv32;
+		key->u.tkip.iv16_rx[queue] = iv16;
+	}
+
+	return res;
+}
+
+

package/mac80211/src/mac80211/tkip.h

@@ -0,0 +1,36 @@
+/*
+ * 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 TKIP_H
+#define TKIP_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include "ieee80211_key.h"
+
+u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key,
+			   u8 iv0, u8 iv1, u8 iv2);
+void ieee80211_tkip_gen_phase1key(struct ieee80211_key *key, u8 *ta,
+				  u16 *phase1key);
+void ieee80211_tkip_gen_rc4key(struct ieee80211_key *key, u8 *ta,
+			       u8 *rc4key);
+void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
+				 struct ieee80211_key *key,
+				 u8 *pos, size_t payload_len, u8 *ta);
+enum {
+	TKIP_DECRYPT_OK = 0,
+	TKIP_DECRYPT_NO_EXT_IV = -1,
+	TKIP_DECRYPT_INVALID_KEYIDX = -2,
+	TKIP_DECRYPT_REPLAY = -3,
+};
+int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
+				struct ieee80211_key *key,
+				u8 *payload, size_t payload_len, u8 *ta,
+				int only_iv, int queue);
+
+#endif /* TKIP_H */

package/mac80211/src/mac80211/wep.c

@@ -0,0 +1,328 @@
+/*
+ * Software WEP encryption implementation
+ * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 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/netdevice.h>
+#include <linux/types.h>
+#include <linux/random.h>
+#include <linux/compiler.h>
+#include <linux/crc32.h>
+#include <linux/crypto.h>
+#include <linux/err.h>
+#include <linux/mm.h>
+#include <asm/scatterlist.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "wep.h"
+
+
+int ieee80211_wep_init(struct ieee80211_local *local)
+{
+	/* start WEP IV from a random value */
+	get_random_bytes(&local->wep_iv, WEP_IV_LEN);
+
+	local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
+						CRYPTO_ALG_ASYNC);
+	if (IS_ERR(local->wep_tx_tfm))
+		return -ENOMEM;
+
+	local->wep_rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
+						CRYPTO_ALG_ASYNC);
+	if (IS_ERR(local->wep_rx_tfm)) {
+		crypto_free_blkcipher(local->wep_tx_tfm);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+void ieee80211_wep_free(struct ieee80211_local *local)
+{
+	crypto_free_blkcipher(local->wep_tx_tfm);
+	crypto_free_blkcipher(local->wep_rx_tfm);
+}
+
+static inline int ieee80211_wep_weak_iv(u32 iv, int keylen)
+{
+	/* Fluhrer, Mantin, and Shamir have reported weaknesses in the
+	 * key scheduling algorithm of RC4. At least IVs (KeyByte + 3,
+	 * 0xff, N) can be used to speedup attacks, so avoid using them. */
+	if ((iv & 0xff00) == 0xff00) {
+		u8 B = (iv >> 16) & 0xff;
+		if (B >= 3 && B < 3 + keylen)
+			return 1;
+	}
+	return 0;
+}
+
+
+void ieee80211_wep_get_iv(struct ieee80211_local *local,
+			  struct ieee80211_key *key, u8 *iv)
+{
+	local->wep_iv++;
+	if (ieee80211_wep_weak_iv(local->wep_iv, key->keylen))
+		local->wep_iv += 0x0100;
+
+	if (!iv)
+		return;
+
+	*iv++ = (local->wep_iv >> 16) & 0xff;
+	*iv++ = (local->wep_iv >> 8) & 0xff;
+	*iv++ = local->wep_iv & 0xff;
+	*iv++ = key->keyidx << 6;
+}
+
+
+u8 * ieee80211_wep_add_iv(struct ieee80211_local *local,
+			  struct sk_buff *skb,
+			  struct ieee80211_key *key)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 fc;
+	int hdrlen;
+	u8 *newhdr;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	fc |= IEEE80211_FCTL_PROTECTED;
+	hdr->frame_control = cpu_to_le16(fc);
+
+	if ((skb_headroom(skb) < WEP_IV_LEN ||
+	     skb_tailroom(skb) < WEP_ICV_LEN)) {
+		I802_DEBUG_INC(local->tx_expand_skb_head);
+		if (unlikely(pskb_expand_head(skb, WEP_IV_LEN, WEP_ICV_LEN,
+					      GFP_ATOMIC)))
+			return NULL;
+	}
+
+	hdrlen = ieee80211_get_hdrlen(fc);
+	newhdr = skb_push(skb, WEP_IV_LEN);
+	memmove(newhdr, newhdr + WEP_IV_LEN, hdrlen);
+	ieee80211_wep_get_iv(local, key, newhdr + hdrlen);
+	return newhdr + hdrlen;
+}
+
+
+void ieee80211_wep_remove_iv(struct ieee80211_local *local,
+			     struct sk_buff *skb,
+			     struct ieee80211_key *key)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 fc;
+	int hdrlen;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	hdrlen = ieee80211_get_hdrlen(fc);
+	memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
+	skb_pull(skb, WEP_IV_LEN);
+}
+
+
+/* Perform WEP encryption using given key. data buffer must have tailroom
+ * for 4-byte ICV. data_len must not include this ICV. Note: this function
+ * does _not_ add IV. data = RC4(data | CRC32(data)) */
+void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
+				size_t klen, u8 *data, size_t data_len)
+{
+	struct blkcipher_desc desc = { .tfm = tfm };
+	struct scatterlist sg;
+	__le32 *icv;
+
+	icv = (__le32 *)(data + data_len);
+	*icv = cpu_to_le32(~crc32_le(~0, data, data_len));
+
+	crypto_blkcipher_setkey(tfm, rc4key, klen);
+	sg.page = virt_to_page(data);
+	sg.offset = offset_in_page(data);
+	sg.length = data_len + WEP_ICV_LEN;
+	crypto_blkcipher_encrypt(&desc, &sg, &sg, sg.length);
+}
+
+
+/* Perform WEP encryption on given skb. 4 bytes of extra space (IV) in the
+ * beginning of the buffer 4 bytes of extra space (ICV) in the end of the
+ * buffer will be added. Both IV and ICV will be transmitted, so the
+ * payload length increases with 8 bytes.
+ *
+ * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data))
+ */
+int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
+			  struct ieee80211_key *key)
+{
+	u32 klen;
+	u8 *rc4key, *iv;
+	size_t len;
+
+	if (!key || key->alg != ALG_WEP)
+		return -1;
+
+	klen = 3 + key->keylen;
+	rc4key = kmalloc(klen, GFP_ATOMIC);
+	if (!rc4key)
+		return -1;
+
+	iv = ieee80211_wep_add_iv(local, skb, key);
+	if (!iv) {
+		kfree(rc4key);
+		return -1;
+	}
+
+	len = skb->len - (iv + WEP_IV_LEN - skb->data);
+
+	/* Prepend 24-bit IV to RC4 key */
+	memcpy(rc4key, iv, 3);
+
+	/* Copy rest of the WEP key (the secret part) */
+	memcpy(rc4key + 3, key->key, key->keylen);
+
+	/* Add room for ICV */
+	skb_put(skb, WEP_ICV_LEN);
+
+	ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, klen,
+				   iv + WEP_IV_LEN, len);
+
+	kfree(rc4key);
+
+	return 0;
+}
+
+
+/* Perform WEP decryption using given key. data buffer includes encrypted
+ * payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV.
+ * Return 0 on success and -1 on ICV mismatch. */
+int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
+			       size_t klen, u8 *data, size_t data_len)
+{
+	struct blkcipher_desc desc = { .tfm = tfm };
+	struct scatterlist sg;
+	__le32 crc;
+
+	crypto_blkcipher_setkey(tfm, rc4key, klen);
+	sg.page = virt_to_page(data);
+	sg.offset = offset_in_page(data);
+	sg.length = data_len + WEP_ICV_LEN;
+	crypto_blkcipher_decrypt(&desc, &sg, &sg, sg.length);
+
+	crc = cpu_to_le32(~crc32_le(~0, data, data_len));
+	if (memcmp(&crc, data + data_len, WEP_ICV_LEN) != 0)
+		/* ICV mismatch */
+		return -1;
+
+	return 0;
+}
+
+
+/* Perform WEP decryption on given skb. Buffer includes whole WEP part of
+ * the frame: IV (4 bytes), encrypted payload (including SNAP header),
+ * ICV (4 bytes). skb->len includes both IV and ICV.
+ *
+ * Returns 0 if frame was decrypted successfully and ICV was correct and -1 on
+ * failure. If frame is OK, IV and ICV will be removed, i.e., decrypted payload
+ * is moved to the beginning of the skb and skb length will be reduced.
+ */
+int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
+			  struct ieee80211_key *key)
+{
+	u32 klen;
+	u8 *rc4key;
+	u8 keyidx;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 fc;
+	int hdrlen;
+	size_t len;
+	int ret = 0;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	if (!(fc & IEEE80211_FCTL_PROTECTED))
+		return -1;
+
+	hdrlen = ieee80211_get_hdrlen(fc);
+
+	if (skb->len < 8 + hdrlen)
+		return -1;
+
+	len = skb->len - hdrlen - 8;
+
+	keyidx = skb->data[hdrlen + 3] >> 6;
+
+	if (!key || keyidx != key->keyidx || key->alg != ALG_WEP)
+		return -1;
+
+	klen = 3 + key->keylen;
+
+	rc4key = kmalloc(klen, GFP_ATOMIC);
+	if (!rc4key)
+		return -1;
+
+	/* Prepend 24-bit IV to RC4 key */
+	memcpy(rc4key, skb->data + hdrlen, 3);
+
+	/* Copy rest of the WEP key (the secret part) */
+	memcpy(rc4key + 3, key->key, key->keylen);
+
+	if (ieee80211_wep_decrypt_data(local->wep_rx_tfm, rc4key, klen,
+				       skb->data + hdrlen + WEP_IV_LEN,
+				       len)) {
+		printk(KERN_DEBUG "WEP decrypt failed (ICV)\n");
+		ret = -1;
+	}
+
+	kfree(rc4key);
+
+	/* Trim ICV */
+	skb_trim(skb, skb->len - WEP_ICV_LEN);
+
+	/* Remove IV */
+	memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
+	skb_pull(skb, WEP_IV_LEN);
+
+	return ret;
+}
+
+
+int ieee80211_wep_get_keyidx(struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 fc;
+	int hdrlen;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	if (!(fc & IEEE80211_FCTL_PROTECTED))
+		return -1;
+
+	hdrlen = ieee80211_get_hdrlen(fc);
+
+	if (skb->len < 8 + hdrlen)
+		return -1;
+
+	return skb->data[hdrlen + 3] >> 6;
+}
+
+
+u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 fc;
+	int hdrlen;
+	u8 *ivpos;
+	u32 iv;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	if (!(fc & IEEE80211_FCTL_PROTECTED))
+		return NULL;
+
+	hdrlen = ieee80211_get_hdrlen(fc);
+	ivpos = skb->data + hdrlen;
+	iv = (ivpos[0] << 16) | (ivpos[1] << 8) | ivpos[2];
+
+	if (ieee80211_wep_weak_iv(iv, key->keylen))
+		return ivpos;
+
+	return NULL;
+}

package/mac80211/src/mac80211/wep.h

@@ -0,0 +1,40 @@
+/*
+ * Software WEP encryption implementation
+ * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 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.
+ */
+
+#ifndef WEP_H
+#define WEP_H
+
+#include <linux/skbuff.h>
+#include <linux/types.h>
+#include "ieee80211_i.h"
+#include "ieee80211_key.h"
+
+int ieee80211_wep_init(struct ieee80211_local *local);
+void ieee80211_wep_free(struct ieee80211_local *local);
+void ieee80211_wep_get_iv(struct ieee80211_local *local,
+			  struct ieee80211_key *key, u8 *iv);
+u8 * ieee80211_wep_add_iv(struct ieee80211_local *local,
+			  struct sk_buff *skb,
+			  struct ieee80211_key *key);
+void ieee80211_wep_remove_iv(struct ieee80211_local *local,
+			     struct sk_buff *skb,
+			     struct ieee80211_key *key);
+void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
+				size_t klen, u8 *data, size_t data_len);
+int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
+			       size_t klen, u8 *data, size_t data_len);
+int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
+			  struct ieee80211_key *key);
+int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
+			  struct ieee80211_key *key);
+int ieee80211_wep_get_keyidx(struct sk_buff *skb);
+u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
+
+#endif /* WEP_H */

package/mac80211/src/mac80211/wme.c

@@ -0,0 +1,712 @@
+/*
+ * Copyright 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.
+ */
+
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/module.h>
+#include <linux/if_arp.h>
+#include <linux/types.h>
+#include <net/ip.h>
+#include <net/pkt_sched.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "wme.h"
+
+static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
+{
+	return (fc & 0x8C) == 0x88;
+}
+
+
+ieee80211_txrx_result
+ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx)
+{
+	u8 *data = rx->skb->data;
+	int tid;
+	unsigned int is_agg_frame = 0;
+
+	/* does the frame have a qos control field? */
+	if (WLAN_FC_IS_QOS_DATA(rx->fc)) {
+		u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN;
+
+		/* frame has qos control */
+		rx->u.rx.qos_control = le16_to_cpu(*((__le16*)qc));
+		tid = rx->u.rx.qos_control & QOS_CONTROL_TID_MASK;
+		if (rx->u.rx.qos_control &
+		    IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+			is_agg_frame = 1;
+	} else {
+		if (unlikely((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)) {
+			/* Separate TID for management frames */
+			tid = NUM_RX_DATA_QUEUES - 1;
+		} else {
+			/* no qos control present */
+			tid = 0; /* 802.1d - Best Effort */
+		}
+		rx->u.rx.qos_control = 0;
+	}
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+	I802_DEBUG_INC(rx->local->wme_rx_queue[tid]);
+	if (rx->sta) {
+		I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]);
+	}
+#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
+
+	rx->u.rx.queue = tid;
+	rx->u.rx.is_agg_frame = is_agg_frame;
+	/* Set skb->priority to 1d tag if highest order bit of TID is not set.
+	 * For now, set skb->priority to 0 for other cases. */
+	rx->skb->priority = (tid > 7) ? 0 : tid;
+
+	return TXRX_CONTINUE;
+}
+
+
+ieee80211_txrx_result
+ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
+{
+	u16 fc = rx->fc;
+	u8 *data = rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data;
+
+	if (!WLAN_FC_IS_QOS_DATA(fc))
+		return TXRX_CONTINUE;
+
+	/* remove the qos control field, update frame type and meta-data */
+	memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2);
+	hdr = (struct ieee80211_hdr *) skb_pull(rx->skb, 2);
+	/* change frame type to non QOS */
+	rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA;
+	hdr->frame_control = cpu_to_le16(fc);
+
+	return TXRX_CONTINUE;
+}
+
+
+#ifdef CONFIG_NET_SCHED
+/* maximum number of hardware queues we support. */
+#define TC_80211_MAX_QUEUES 8
+
+struct ieee80211_sched_data
+{
+	struct tcf_proto *filter_list;
+	struct Qdisc *queues[TC_80211_MAX_QUEUES];
+	struct sk_buff_head requeued[TC_80211_MAX_QUEUES];
+};
+
+
+/* given a data frame determine the 802.1p/1d tag to use */
+static inline unsigned classify_1d(struct sk_buff *skb, struct Qdisc *qd)
+{
+	struct iphdr *ip;
+	int dscp;
+	int offset;
+
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct tcf_result res = { -1, 0 };
+
+	/* if there is a user set filter list, call out to that */
+	if (q->filter_list) {
+		tc_classify(skb, q->filter_list, &res);
+		if (res.class != -1)
+			return res.class;
+	}
+
+	/* skb->priority values from 256->263 are magic values to
+	 * directly indicate a specific 802.1d priority.
+	 * This is used to allow 802.1d priority to be passed directly in
+	 * from VLAN tags, etc. */
+	if (skb->priority >= 256 && skb->priority <= 263)
+		return skb->priority - 256;
+
+	/* check there is a valid IP header present */
+	offset = ieee80211_get_hdrlen_from_skb(skb) + 8 /* LLC + proto */;
+	if (skb->protocol != __constant_htons(ETH_P_IP) ||
+	    skb->len < offset + sizeof(*ip))
+		return 0;
+
+	ip = (struct iphdr *) (skb->data + offset);
+
+	dscp = ip->tos & 0xfc;
+	if (dscp & 0x1c)
+		return 0;
+	return dscp >> 5;
+}
+
+
+static inline int wme_downgrade_ac(struct sk_buff *skb)
+{
+	switch (skb->priority) {
+	case 6:
+	case 7:
+		skb->priority = 5; /* VO -> VI */
+		return 0;
+	case 4:
+	case 5:
+		skb->priority = 3; /* VI -> BE */
+		return 0;
+	case 0:
+	case 3:
+		skb->priority = 2; /* BE -> BK */
+		return 0;
+	default:
+		return -1;
+	}
+}
+
+
+/* positive return value indicates which queue to use
+ * negative return value indicates to drop the frame */
+static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd)
+{
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(qd->dev);
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct ieee80211_tx_packet_data *pkt_data =
+		(struct ieee80211_tx_packet_data *) skb->cb;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	unsigned short fc = le16_to_cpu(hdr->frame_control);
+	int qos, tsid, dir;
+	const int ieee802_1d_to_ac[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
+
+	/* see if frame is data or non data frame */
+	if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) {
+		/* management frames go on AC_VO queue, but are sent
+		* without QoS control fields */
+		return IEEE80211_TX_QUEUE_DATA0;
+	}
+
+	if (unlikely(pkt_data->mgmt_iface)) {
+		/* Data frames from hostapd (mainly, EAPOL) use AC_VO
+		* and they will include QoS control fields if
+		* the target STA is using WME. */
+		skb->priority = 7;
+		return ieee802_1d_to_ac[skb->priority];
+	}
+
+	/* is this a QoS frame? */
+	qos = fc & IEEE80211_STYPE_QOS_DATA;
+
+	if (!qos) {
+		skb->priority = 0; /* required for correct WPA/11i MIC */
+		return ieee802_1d_to_ac[skb->priority];
+	}
+
+	/* use the data classifier to determine what 802.1d tag the
+	 * data frame has */
+	skb->priority = classify_1d(skb, qd);
+	tsid = 8 + skb->priority;
+
+	/* FIXME: only uplink needs to be checked for Tx */
+	dir = STA_TS_UPLINK;
+
+	if ((sdata->type == IEEE80211_IF_TYPE_STA) &&
+	    (local->wmm_acm & BIT(skb->priority))) {
+		switch (ifsta->ts_data[tsid][dir].status) {
+		case TS_STATUS_ACTIVE:
+			/* if TS Management is enabled, update used_time */
+			ifsta->ts_data[tsid][dir].used_time_usec +=
+				ifsta->MPDUExchangeTime;
+			break;
+		case TS_STATUS_THROTTLING:
+			/* if admitted time is used up, refuse to send more */
+			if (net_ratelimit())
+				printk(KERN_DEBUG "QoS packet throttling\n");
+			break;
+		default:
+			break;
+		}
+	}
+
+	/* in case we are a client verify acm is not set for this ac */
+	while ((local->wmm_acm & BIT(skb->priority)) &&
+	       !((sdata->type == IEEE80211_IF_TYPE_STA) &&
+		 (ifsta->ts_data[skb->priority + EDCA_TSID_MIN][dir].status
+			== TS_STATUS_ACTIVE))) {
+		if (wme_downgrade_ac(skb)) {
+			/* No AC with lower priority has acm=0, drop packet. */
+			return -1;
+		}
+	}
+
+	/* look up which queue to use for frames with this 1d tag */
+	return ieee802_1d_to_ac[skb->priority];
+}
+
+
+static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
+{
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_tx_packet_data *pkt_data =
+		(struct ieee80211_tx_packet_data *) skb->cb;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	unsigned short fc = le16_to_cpu(hdr->frame_control);
+	struct Qdisc *qdisc;
+	int err, queue;
+
+	if (pkt_data->requeue) {
+		skb_queue_tail(&q->requeued[pkt_data->queue], skb);
+		qd->q.qlen++;
+		return 0;
+	}
+
+	queue = classify80211(skb, qd);
+
+	/* now we know the 1d priority, fill in the QoS header if there is one
+	 */
+	if (WLAN_FC_IS_QOS_DATA(fc)) {
+		u8 *p = skb->data + ieee80211_get_hdrlen(fc) - 2;
+		u8 qos_hdr = skb->priority & QOS_CONTROL_TAG1D_MASK;
+		if (local->wifi_wme_noack_test)
+			qos_hdr |= QOS_CONTROL_ACK_POLICY_NOACK <<
+					QOS_CONTROL_ACK_POLICY_SHIFT;
+		/* qos header is 2 bytes, second reserved */
+		*p = qos_hdr;
+		p++;
+		*p = 0;
+	}
+
+	if (unlikely(queue >= local->hw.queues)) {
+#if 0
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "%s - queue=%d (hw does not "
+			       "support) -> %d\n",
+			       __func__, queue, local->hw.queues - 1);
+		}
+#endif
+		queue = local->hw.queues - 1;
+	}
+
+	if (unlikely(queue < 0)) {
+			kfree_skb(skb);
+			err = NET_XMIT_DROP;
+	} else {
+		pkt_data->queue = (unsigned int) queue;
+		qdisc = q->queues[queue];
+		err = qdisc->enqueue(skb, qdisc);
+		if (err == NET_XMIT_SUCCESS) {
+			qd->q.qlen++;
+			qd->bstats.bytes += skb->len;
+			qd->bstats.packets++;
+			return NET_XMIT_SUCCESS;
+		}
+	}
+	qd->qstats.drops++;
+	return err;
+}
+
+
+/* TODO: clean up the cases where master_hard_start_xmit
+ * returns non 0 - it shouldn't ever do that. Once done we
+ * can remove this function */
+static int wme_qdiscop_requeue(struct sk_buff *skb, struct Qdisc* qd)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_tx_packet_data *pkt_data =
+		(struct ieee80211_tx_packet_data *) skb->cb;
+	struct Qdisc *qdisc;
+	int err;
+
+	/* we recorded which queue to use earlier! */
+	qdisc = q->queues[pkt_data->queue];
+
+	if ((err = qdisc->ops->requeue(skb, qdisc)) == 0) {
+		qd->q.qlen++;
+		return 0;
+	}
+	qd->qstats.drops++;
+	return err;
+}
+
+
+static struct sk_buff *wme_qdiscop_dequeue(struct Qdisc* qd)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct net_device *dev = qd->dev;
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	struct sk_buff *skb;
+	struct Qdisc *qdisc;
+	int queue;
+
+	/* check all the h/w queues in numeric/priority order */
+	for (queue = 0; queue < hw->queues; queue++) {
+		/* see if there is room in this hardware queue */
+		if (test_bit(IEEE80211_LINK_STATE_XOFF,
+			     &local->state[queue]) ||
+		    test_bit(IEEE80211_LINK_STATE_PENDING,
+			     &local->state[queue]))
+			continue;
+
+		/* there is space - try and get a frame */
+		skb = skb_dequeue(&q->requeued[queue]);
+		if (skb) {
+			qd->q.qlen--;
+			return skb;
+		}
+
+		qdisc = q->queues[queue];
+		skb = qdisc->dequeue(qdisc);
+		if (skb) {
+			qd->q.qlen--;
+			return skb;
+		}
+	}
+	/* returning a NULL here when all the h/w queues are full means we
+	 * never need to call netif_stop_queue in the driver */
+	return NULL;
+}
+
+
+static void wme_qdiscop_reset(struct Qdisc* qd)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	int queue;
+
+	/* QUESTION: should we have some hardware flush functionality here? */
+
+	for (queue = 0; queue < hw->queues; queue++) {
+		skb_queue_purge(&q->requeued[queue]);
+		qdisc_reset(q->queues[queue]);
+	}
+	qd->q.qlen = 0;
+}
+
+
+static void wme_qdiscop_destroy(struct Qdisc* qd)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	int queue;
+
+	tcf_destroy_chain(q->filter_list);
+	q->filter_list = NULL;
+
+	for (queue=0; queue < hw->queues; queue++) {
+		skb_queue_purge(&q->requeued[queue]);
+		qdisc_destroy(q->queues[queue]);
+		q->queues[queue] = &noop_qdisc;
+	}
+}
+
+
+/* called whenever parameters are updated on existing qdisc */
+static int wme_qdiscop_tune(struct Qdisc *qd, struct rtattr *opt)
+{
+/*	struct ieee80211_sched_data *q = qdisc_priv(qd);
+*/
+	/* check our options block is the right size */
+	/* copy any options to our local structure */
+/*	Ignore options block for now - always use static mapping
+	struct tc_ieee80211_qopt *qopt = RTA_DATA(opt);
+
+	if (opt->rta_len < RTA_LENGTH(sizeof(*qopt)))
+		return -EINVAL;
+	memcpy(q->tag2queue, qopt->tag2queue, sizeof(qopt->tag2queue));
+*/
+	return 0;
+}
+
+
+/* called during initial creation of qdisc on device */
+static int wme_qdiscop_init(struct Qdisc *qd, struct rtattr *opt)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct net_device *dev = qd->dev;
+	struct ieee80211_local *local;
+	int queues;
+	int err = 0, i;
+
+	/* check that device is a mac80211 device */
+	if (!dev->ieee80211_ptr ||
+	    dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
+		return -EINVAL;
+
+	/* check this device is an ieee80211 master type device */
+	if (dev->type != ARPHRD_IEEE80211)
+		return -EINVAL;
+
+	/* check that there is no qdisc currently attached to device
+	 * this ensures that we will be the root qdisc. (I can't find a better
+	 * way to test this explicitly) */
+	if (dev->qdisc_sleeping != &noop_qdisc)
+		return -EINVAL;
+
+	if (qd->flags & TCQ_F_INGRESS)
+		return -EINVAL;
+
+	local = wdev_priv(dev->ieee80211_ptr);
+	queues = local->hw.queues;
+
+	/* if options were passed in, set them */
+	if (opt) {
+		err = wme_qdiscop_tune(qd, opt);
+	}
+
+	/* create child queues */
+	for (i = 0; i < queues; i++) {
+		skb_queue_head_init(&q->requeued[i]);
+		q->queues[i] = qdisc_create_dflt(qd->dev, &pfifo_qdisc_ops,
+						 qd->handle);
+		if (q->queues[i] == 0) {
+			q->queues[i] = &noop_qdisc;
+			printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i);
+		}
+	}
+
+	return err;
+}
+
+static int wme_qdiscop_dump(struct Qdisc *qd, struct sk_buff *skb)
+{
+/*	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	unsigned char *p = skb->tail;
+	struct tc_ieee80211_qopt opt;
+
+	memcpy(&opt.tag2queue, q->tag2queue, TC_80211_MAX_TAG + 1);
+	RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
+*/	return skb->len;
+/*
+rtattr_failure:
+	skb_trim(skb, p - skb->data);*/
+	return -1;
+}
+
+
+static int wme_classop_graft(struct Qdisc *qd, unsigned long arg,
+			     struct Qdisc *new, struct Qdisc **old)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	unsigned long queue = arg - 1;
+
+	if (queue >= hw->queues)
+		return -EINVAL;
+
+	if (!new)
+		new = &noop_qdisc;
+
+	sch_tree_lock(qd);
+	*old = q->queues[queue];
+	q->queues[queue] = new;
+	qdisc_reset(*old);
+	sch_tree_unlock(qd);
+
+	return 0;
+}
+
+
+static struct Qdisc *
+wme_classop_leaf(struct Qdisc *qd, unsigned long arg)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	unsigned long queue = arg - 1;
+
+	if (queue >= hw->queues)
+		return NULL;
+
+	return q->queues[queue];
+}
+
+
+static unsigned long wme_classop_get(struct Qdisc *qd, u32 classid)
+{
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	unsigned long queue = TC_H_MIN(classid);
+
+	if (queue - 1 >= hw->queues)
+		return 0;
+
+	return queue;
+}
+
+
+static unsigned long wme_classop_bind(struct Qdisc *qd, unsigned long parent,
+				      u32 classid)
+{
+	return wme_classop_get(qd, classid);
+}
+
+
+static void wme_classop_put(struct Qdisc *q, unsigned long cl)
+{
+}
+
+
+static int wme_classop_change(struct Qdisc *qd, u32 handle, u32 parent,
+			      struct rtattr **tca, unsigned long *arg)
+{
+	unsigned long cl = *arg;
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+
+	if (cl - 1 > hw->queues)
+		return -ENOENT;
+
+	/* TODO: put code to program hardware queue parameters here,
+	 * to allow programming from tc command line */
+
+	return 0;
+}
+
+
+/* we don't support deleting hardware queues
+ * when we add WMM-SA support - TSPECs may be deleted here */
+static int wme_classop_delete(struct Qdisc *qd, unsigned long cl)
+{
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+
+	if (cl - 1 > hw->queues)
+		return -ENOENT;
+	return 0;
+}
+
+
+static int wme_classop_dump_class(struct Qdisc *qd, unsigned long cl,
+				  struct sk_buff *skb, struct tcmsg *tcm)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+
+	if (cl - 1 > hw->queues)
+		return -ENOENT;
+	tcm->tcm_handle = TC_H_MIN(cl);
+	tcm->tcm_parent = qd->handle;
+	tcm->tcm_info = q->queues[cl-1]->handle; /* do we need this? */
+	return 0;
+}
+
+
+static void wme_classop_walk(struct Qdisc *qd, struct qdisc_walker *arg)
+{
+	struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
+	struct ieee80211_hw *hw = &local->hw;
+	int queue;
+
+	if (arg->stop)
+		return;
+
+	for (queue = 0; queue < hw->queues; queue++) {
+		if (arg->count < arg->skip) {
+			arg->count++;
+			continue;
+		}
+		/* we should return classids for our internal queues here
+		 * as well as the external ones */
+		if (arg->fn(qd, queue+1, arg) < 0) {
+			arg->stop = 1;
+			break;
+		}
+		arg->count++;
+	}
+}
+
+
+static struct tcf_proto ** wme_classop_find_tcf(struct Qdisc *qd,
+						unsigned long cl)
+{
+	struct ieee80211_sched_data *q = qdisc_priv(qd);
+
+	if (cl)
+		return NULL;
+
+	return &q->filter_list;
+}
+
+
+/* this qdisc is classful (i.e. has classes, some of which may have leaf qdiscs attached)
+ * - these are the operations on the classes */
+static struct Qdisc_class_ops class_ops =
+{
+	.graft = wme_classop_graft,
+	.leaf = wme_classop_leaf,
+
+	.get = wme_classop_get,
+	.put = wme_classop_put,
+	.change = wme_classop_change,
+	.delete = wme_classop_delete,
+	.walk = wme_classop_walk,
+
+	.tcf_chain = wme_classop_find_tcf,
+	.bind_tcf = wme_classop_bind,
+	.unbind_tcf = wme_classop_put,
+
+	.dump = wme_classop_dump_class,
+};
+
+
+/* queueing discipline operations */
+static struct Qdisc_ops wme_qdisc_ops =
+{
+	.next = NULL,
+	.cl_ops = &class_ops,
+	.id = "ieee80211",
+	.priv_size = sizeof(struct ieee80211_sched_data),
+
+	.enqueue = wme_qdiscop_enqueue,
+	.dequeue = wme_qdiscop_dequeue,
+	.requeue = wme_qdiscop_requeue,
+	.drop = NULL, /* drop not needed since we are always the root qdisc */
+
+	.init = wme_qdiscop_init,
+	.reset = wme_qdiscop_reset,
+	.destroy = wme_qdiscop_destroy,
+	.change = wme_qdiscop_tune,
+
+	.dump = wme_qdiscop_dump,
+};
+
+
+void ieee80211_install_qdisc(struct net_device *dev)
+{
+	struct Qdisc *qdisc;
+
+	qdisc = qdisc_create_dflt(dev, &wme_qdisc_ops, TC_H_ROOT);
+	if (!qdisc) {
+		printk(KERN_ERR "%s: qdisc installation failed\n", dev->name);
+		return;
+	}
+
+	/* same handle as would be allocated by qdisc_alloc_handle() */
+	qdisc->handle = 0x80010000;
+
+	qdisc_lock_tree(dev);
+	list_add_tail(&qdisc->list, &dev->qdisc_list);
+	dev->qdisc_sleeping = qdisc;
+	qdisc_unlock_tree(dev);
+}
+
+
+int ieee80211_qdisc_installed(struct net_device *dev)
+{
+	return dev->qdisc_sleeping->ops == &wme_qdisc_ops;
+}
+
+
+int ieee80211_wme_register(void)
+{
+	return register_qdisc(&wme_qdisc_ops);
+}
+
+
+void ieee80211_wme_unregister(void)
+{
+	unregister_qdisc(&wme_qdisc_ops);
+}
+#endif /* CONFIG_NET_SCHED */

package/mac80211/src/mac80211/wme.h

@@ -0,0 +1,57 @@
+/*
+ * IEEE 802.11 driver (80211.o) - QoS datatypes
+ * Copyright 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 _WME_H
+#define _WME_H
+
+#include <linux/netdevice.h>
+#include "ieee80211_i.h"
+
+#define QOS_CONTROL_LEN 2
+
+#define QOS_CONTROL_ACK_POLICY_NORMAL 0
+#define QOS_CONTROL_ACK_POLICY_NOACK 1
+
+#define QOS_CONTROL_TID_MASK 0x0f
+#define QOS_CONTROL_ACK_POLICY_SHIFT 5
+
+#define QOS_CONTROL_TAG1D_MASK 0x07
+
+ieee80211_txrx_result
+ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx);
+
+ieee80211_txrx_result
+ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx);
+
+#ifdef CONFIG_NET_SCHED
+void ieee80211_install_qdisc(struct net_device *dev);
+int ieee80211_qdisc_installed(struct net_device *dev);
+
+int ieee80211_wme_register(void);
+void ieee80211_wme_unregister(void);
+#else
+static inline void ieee80211_install_qdisc(struct net_device *dev)
+{
+}
+static inline int ieee80211_qdisc_installed(struct net_device *dev)
+{
+	return 0;
+}
+
+static inline int ieee80211_wme_register(void)
+{
+	return 0;
+}
+static inline void ieee80211_wme_unregister(void)
+{
+}
+#endif /* CONFIG_NET_SCHED */
+
+#endif /* _WME_H */

package/mac80211/src/mac80211/wpa.c

@@ -0,0 +1,846 @@
+/*
+ * 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.
+ */
+
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/compiler.h>
+#include <net/iw_handler.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_common.h"
+#include "ieee80211_i.h"
+#include "michael.h"
+#include "tkip.h"
+#include "aes_ccm.h"
+#include "wpa.h"
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+#include "hostapd_ioctl.h"
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+
+static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da,
+				  u8 *qos_tid, u8 **data, size_t *data_len)
+{
+	struct ieee80211_hdr *hdr;
+	size_t hdrlen;
+	u16 fc;
+	int a4_included;
+	u8 *pos;
+
+	hdr = (struct ieee80211_hdr *) skb->data;
+	fc = le16_to_cpu(hdr->frame_control);
+
+	hdrlen = 24;
+	if ((fc & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) ==
+	    (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
+		hdrlen += ETH_ALEN;
+		*sa = hdr->addr4;
+		*da = hdr->addr3;
+	} else if (fc & IEEE80211_FCTL_FROMDS) {
+		*sa = hdr->addr3;
+		*da = hdr->addr1;
+	} else if (fc & IEEE80211_FCTL_TODS) {
+		*sa = hdr->addr2;
+		*da = hdr->addr3;
+	} else {
+		*sa = hdr->addr2;
+		*da = hdr->addr1;
+	}
+
+	if (fc & 0x80)
+		hdrlen += 2;
+
+	*data = skb->data + hdrlen;
+	*data_len = skb->len - hdrlen;
+
+	a4_included = (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
+		(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
+	if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
+	    fc & IEEE80211_STYPE_QOS_DATA) {
+		pos = (u8 *) &hdr->addr4;
+		if (a4_included)
+			pos += 6;
+		*qos_tid = pos[0] & 0x0f;
+		*qos_tid |= 0x80; /* qos_included flag */
+	} else
+		*qos_tid = 0;
+
+	return skb->len < hdrlen ? -1 : 0;
+}
+
+
+ieee80211_txrx_result
+ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
+{
+	u8 *data, *sa, *da, *key, *mic, qos_tid;
+	size_t data_len;
+	u16 fc;
+	struct sk_buff *skb = tx->skb;
+	int authenticator;
+	int wpa_test = 0;
+
+	fc = tx->fc;
+
+	if (!tx->key || tx->key->alg != ALG_TKIP || skb->len < 24 ||
+	    !WLAN_FC_DATA_PRESENT(fc))
+		return TXRX_CONTINUE;
+
+	if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len))
+		return TXRX_DROP;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if ((tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) ||
+	    (!tx->u.tx.unicast &&
+	     tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC)) {
+		wpa_test = 1;
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	if (!tx->key->force_sw_encrypt &&
+	    !tx->fragmented &&
+	    !(tx->local->hw.flags & IEEE80211_HW_TKIP_INCLUDE_MMIC) &&
+	    !wpa_test) {
+		/* hwaccel - with no need for preallocated room for Michael MIC
+		 */
+		return TXRX_CONTINUE;
+	}
+
+	if (skb_tailroom(skb) < MICHAEL_MIC_LEN) {
+		I802_DEBUG_INC(tx->local->tx_expand_skb_head);
+		if (unlikely(pskb_expand_head(skb, TKIP_IV_LEN,
+					      MICHAEL_MIC_LEN + TKIP_ICV_LEN,
+					      GFP_ATOMIC))) {
+			printk(KERN_DEBUG "%s: failed to allocate more memory "
+			       "for Michael MIC\n", tx->dev->name);
+			return TXRX_DROP;
+		}
+	}
+
+#if 0
+	authenticator = fc & IEEE80211_FCTL_FROMDS; /* FIX */
+#else
+	authenticator = 1;
+#endif
+	key = &tx->key->key[authenticator ? ALG_TKIP_TEMP_AUTH_TX_MIC_KEY :
+			    ALG_TKIP_TEMP_AUTH_RX_MIC_KEY];
+	mic = skb_put(skb, MICHAEL_MIC_LEN);
+	michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) {
+		printk(KERN_INFO "%s: WPA testing - corrupting TX Michael MIC "
+		       "for STA " MAC_FMT "\n",
+		       tx->dev->name, MAC_ARG(tx->sta->addr));
+		tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
+		tx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_MIC;
+		tx->wpa_test = 1;
+		mic[0]++;
+	} else if (!tx->u.tx.unicast &&
+		   tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) {
+		printk(KERN_INFO "%s: WPA testing - corrupting TX Michael MIC "
+		       "for Group Key\n", tx->dev->name);
+		tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
+		tx->local->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_MIC;
+		tx->wpa_test = 1;
+		mic[0]++;
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	return TXRX_CONTINUE;
+}
+
+
+ieee80211_txrx_result
+ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
+{
+	u8 *data, *sa, *da, *key = NULL, qos_tid;
+	size_t data_len;
+	u16 fc;
+	u8 mic[MICHAEL_MIC_LEN];
+	struct sk_buff *skb = rx->skb;
+	int authenticator = 1, wpa_test = 0;
+
+	fc = rx->fc;
+
+	/* If device handles decryption totally, skip this check */
+	if ((rx->local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP) ||
+	    (rx->local->hw.flags & IEEE80211_HW_DEVICE_STRIPS_MIC))
+		return TXRX_CONTINUE;
+
+	if (!rx->key || rx->key->alg != ALG_TKIP ||
+	    !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc))
+		return TXRX_CONTINUE;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_MIC) {
+		wpa_test = 1;
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
+	    !rx->key->force_sw_encrypt) {
+		if (rx->local->hw.flags & IEEE80211_HW_WEP_INCLUDE_IV) {
+			if (skb->len < MICHAEL_MIC_LEN)
+				return TXRX_DROP;
+		}
+		/* Need to verify Michael MIC sometimes in software even when
+		 * hwaccel is used. Atheros ar5212: fragmented frames and QoS
+		 * frames. */
+		if (!rx->fragmented && !wpa_test)
+			goto remove_mic;
+	}
+
+	if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)
+	    || data_len < MICHAEL_MIC_LEN)
+		return TXRX_DROP;
+
+	data_len -= MICHAEL_MIC_LEN;
+
+#if 0
+	authenticator = fc & IEEE80211_FCTL_TODS; /* FIX */
+#else
+	authenticator = 1;
+#endif
+	key = &rx->key->key[authenticator ? ALG_TKIP_TEMP_AUTH_RX_MIC_KEY :
+			    ALG_TKIP_TEMP_AUTH_TX_MIC_KEY];
+	michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_MIC) {
+		printk(KERN_INFO "%s: WPA testing - corrupting RX Michael MIC "
+		       "for STA " MAC_FMT "\n",
+		       rx->dev->name, MAC_ARG(rx->sta->addr));
+		rx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_RX_MIC;
+		mic[0]++;
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+	if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) {
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+		int i;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+		if (!rx->u.rx.ra_match)
+			return TXRX_DROP;
+
+		printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
+		       MAC_FMT "\n", rx->dev->name, MAC_ARG(sa));
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+		printk(KERN_DEBUG "   received");
+		for (i = 0; i < MICHAEL_MIC_LEN; i++)
+			printk(" %02x", data[data_len + i]);
+		printk(" expected");
+		for (i = 0; i < MICHAEL_MIC_LEN; i++)
+			printk(" %02x", mic[i]);
+		printk("\n");
+		printk(KERN_DEBUG "   SA=" MAC_FMT " DA=" MAC_FMT " key",
+		       MAC_ARG(sa), MAC_ARG(da));
+		for (i = 0; i < 8; i++)
+			printk(" %02x", key[i]);
+		printk(" (%d)\n", authenticator);
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+		do {
+			struct ieee80211_hdr *hdr;
+			union iwreq_data wrqu;
+			char *buf = kmalloc(128, GFP_ATOMIC);
+			if (!buf)
+				break;
+
+			/* TODO: needed parameters: count, key type, TSC */
+			hdr = (struct ieee80211_hdr *) skb->data;
+			sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
+				"keyid=%d %scast addr=" MAC_FMT ")",
+				rx->key->keyidx,
+				hdr->addr1[0] & 0x01 ? "broad" : "uni",
+				MAC_ARG(hdr->addr2));
+			memset(&wrqu, 0, sizeof(wrqu));
+			wrqu.data.length = strlen(buf);
+			wireless_send_event(rx->dev, IWEVCUSTOM, &wrqu, buf);
+			kfree(buf);
+		} while (0);
+
+		if (!rx->local->apdev)
+			return TXRX_DROP;
+
+		ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status,
+				  ieee80211_msg_michael_mic_failure);
+
+		return TXRX_QUEUED;
+	}
+
+ remove_mic:
+	/* remove Michael MIC from payload */
+	skb_trim(skb, skb->len - MICHAEL_MIC_LEN);
+
+	return TXRX_CONTINUE;
+}
+
+
+static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx,
+			    struct sk_buff *skb, int test)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_key *key = tx->key;
+	int hdrlen, len, tailneed;
+	u16 fc;
+	u8 *pos;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	hdrlen = ieee80211_get_hdrlen(fc);
+	len = skb->len - hdrlen;
+
+	tailneed = !tx->key->force_sw_encrypt ? 0 : TKIP_ICV_LEN;
+	if ((skb_headroom(skb) < TKIP_IV_LEN ||
+	     skb_tailroom(skb) < tailneed)) {
+		I802_DEBUG_INC(tx->local->tx_expand_skb_head);
+		if (unlikely(pskb_expand_head(skb, TKIP_IV_LEN, tailneed,
+					      GFP_ATOMIC)))
+			return -1;
+	}
+
+	pos = skb_push(skb, TKIP_IV_LEN);
+	memmove(pos, pos + TKIP_IV_LEN, hdrlen);
+	pos += hdrlen;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (test & WPA_TRIGGER_TX_REPLAY)
+		goto skip_iv_inc;
+iv_inc:
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	/* Increase IV for the frame */
+	key->u.tkip.iv16++;
+	if (key->u.tkip.iv16 == 0)
+		key->u.tkip.iv32++;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (test & WPA_TRIGGER_TX_SKIP_SEQ) {
+		test = 0;
+		goto iv_inc;
+	}
+skip_iv_inc:
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	if (!tx->key->force_sw_encrypt
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	    && !tx->wpa_test
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+		) {
+		u32 flags = tx->local->hw.flags;
+		hdr = (struct ieee80211_hdr *)skb->data;
+
+		/* hwaccel - with preallocated room for IV */
+		ieee80211_tkip_add_iv(pos, key,
+				      (u8) (key->u.tkip.iv16 >> 8),
+				      (u8) (((key->u.tkip.iv16 >> 8) | 0x20) &
+					    0x7f),
+				      (u8) key->u.tkip.iv16);
+
+		if (flags & IEEE80211_HW_TKIP_REQ_PHASE2_KEY)
+			ieee80211_tkip_gen_rc4key(key, hdr->addr2,
+						  tx->u.tx.control->tkip_key);
+		else if (flags & IEEE80211_HW_TKIP_REQ_PHASE1_KEY) {
+			if (key->u.tkip.iv16 == 0 ||
+			    !key->u.tkip.tx_initialized) {
+				ieee80211_tkip_gen_phase1key(key, hdr->addr2,
+					    (u16 *)tx->u.tx.control->tkip_key);
+				key->u.tkip.tx_initialized = 1;
+				tx->u.tx.control->flags |=
+					    IEEE80211_TXCTL_TKIP_NEW_PHASE1_KEY;
+			} else
+				tx->u.tx.control->flags &=
+					    ~IEEE80211_TXCTL_TKIP_NEW_PHASE1_KEY;
+		}
+
+		tx->u.tx.control->key_idx = tx->key->hw_key_idx;
+		return 0;
+	}
+
+	/* Add room for ICV */
+	skb_put(skb, TKIP_ICV_LEN);
+
+	hdr = (struct ieee80211_hdr *) skb->data;
+	ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
+				    key, pos, len, hdr->addr2);
+	return 0;
+}
+
+
+ieee80211_txrx_result
+ieee80211_tx_h_tkip_encrypt(struct ieee80211_txrx_data *tx)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
+	u16 fc;
+	struct ieee80211_key *key = tx->key;
+	struct sk_buff *skb = tx->skb;
+	int wpa_test = 0, test = 0;
+
+	fc = le16_to_cpu(hdr->frame_control);
+
+	if (!key || key->alg != ALG_TKIP || !WLAN_FC_DATA_PRESENT(fc))
+		return TXRX_CONTINUE;
+
+	tx->u.tx.control->icv_len = TKIP_ICV_LEN;
+	tx->u.tx.control->iv_len = TKIP_IV_LEN;
+	ieee80211_tx_set_iswep(tx);
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if ((tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) ||
+	    (!tx->u.tx.unicast &&
+	     tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV)) {
+		wpa_test = 1;
+	}
+
+	if (tx->sta) {
+		test = tx->sta->wpa_trigger;
+		tx->sta->wpa_trigger &=
+			~(WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
+			  WPA_TRIGGER_TX_SKIP_SEQ);
+	} else {
+		test = tx->local->wpa_trigger;
+		tx->local->wpa_trigger &=
+			~(WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
+			  WPA_TRIGGER_TX_SKIP_SEQ);
+	}
+	if (test &
+	    (WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
+	     WPA_TRIGGER_TX_SKIP_SEQ)) {
+		printk(KERN_INFO "%s: WPA testing - TKIP TX packet number "
+		       "%s%s%s%s\n", tx->dev->name,
+		       tx->sta ? "[UNICAST]" : "[MULTICAST]",
+		       test & WPA_TRIGGER_TX_REPLAY ? "[REPLAY]" : "",
+		       test & WPA_TRIGGER_TX_REPLAY_FRAG ?
+		       "[REPLAY FRAG]" : "",
+		       test & WPA_TRIGGER_TX_SKIP_SEQ ? "[SKIP SEQ]" : "");
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	if (!tx->key->force_sw_encrypt &&
+	    !(tx->local->hw.flags & IEEE80211_HW_WEP_INCLUDE_IV) &&
+	    !wpa_test) {
+		/* hwaccel - with no need for preallocated room for IV/ICV */
+		tx->u.tx.control->key_idx = tx->key->hw_key_idx;
+		return TXRX_CONTINUE;
+	}
+
+	if (tkip_encrypt_skb(tx, skb, test) < 0)
+		return TXRX_DROP;
+
+	if (tx->u.tx.extra_frag) {
+		int i;
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+		if (test & WPA_TRIGGER_TX_REPLAY_FRAG)
+			test |= WPA_TRIGGER_TX_REPLAY;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+		for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
+			if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
+			    < 0)
+				return TXRX_DROP;
+		}
+	}
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) {
+		printk(KERN_INFO "%s: WPA testing - corrupting TX TKIP ICV "
+		       "for STA " MAC_FMT "\n",
+		       tx->dev->name, MAC_ARG(tx->sta->addr));
+		tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
+		tx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_ICV;
+		skb->data[skb->len - 1]++;
+	} else if (!tx->u.tx.unicast &&
+		   tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) {
+		printk(KERN_INFO "%s: WPA testing - corrupting TX TKIP ICV "
+		       "for Group Key\n",
+		       tx->dev->name);
+		tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
+		tx->local->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_ICV;
+		skb->data[skb->len - 1]++;
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	return TXRX_CONTINUE;
+}
+
+
+ieee80211_txrx_result
+ieee80211_rx_h_tkip_decrypt(struct ieee80211_txrx_data *rx)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
+	u16 fc;
+	int hdrlen, res, hwaccel = 0, wpa_test = 0;
+	struct ieee80211_key *key = rx->key;
+	struct sk_buff *skb = rx->skb;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	hdrlen = ieee80211_get_hdrlen(fc);
+
+	if (!rx->key || rx->key->alg != ALG_TKIP ||
+	    !(rx->fc & IEEE80211_FCTL_PROTECTED) ||
+	    (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
+		return TXRX_CONTINUE;
+
+	if (!rx->sta || skb->len - hdrlen < 12)
+		return TXRX_DROP;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_ICV) {
+		printk(KERN_INFO "%s: WPA testing - corrupting RX TKIP ICV "
+		       "for STA " MAC_FMT "\n",
+		       rx->dev->name, MAC_ARG(rx->sta->addr));
+		rx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_RX_ICV;
+		skb->data[skb->len - 1]++;
+		wpa_test = 1;
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
+	    !rx->key->force_sw_encrypt) {
+		if (!(rx->local->hw.flags & IEEE80211_HW_WEP_INCLUDE_IV)) {
+			/* Hardware takes care of all processing, including
+			 * replay protection, so no need to continue here. */
+			return TXRX_CONTINUE;
+		}
+
+		/* let TKIP code verify IV, but skip decryption */
+		hwaccel = 1;
+	}
+
+	res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
+					  key, skb->data + hdrlen,
+					  skb->len - hdrlen, rx->sta->addr,
+					  hwaccel, rx->u.rx.queue);
+	if (res != TKIP_DECRYPT_OK || wpa_test) {
+		printk(KERN_DEBUG "%s: TKIP decrypt failed for RX frame from "
+		       MAC_FMT " (res=%d)\n",
+		       rx->dev->name, MAC_ARG(rx->sta->addr), res);
+		return TXRX_DROP;
+	}
+
+	/* Trim ICV */
+	skb_trim(skb, skb->len - TKIP_ICV_LEN);
+
+	/* Remove IV */
+	memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
+	skb_pull(skb, TKIP_IV_LEN);
+
+	return TXRX_CONTINUE;
+}
+
+
+static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *b_0, u8 *aad,
+				int encrypted)
+{
+	u16 fc;
+	int a4_included, qos_included;
+	u8 qos_tid, *fc_pos, *data, *sa, *da;
+	int len_a;
+	size_t data_len;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+
+	fc_pos = (u8 *) &hdr->frame_control;
+	fc = fc_pos[0] ^ (fc_pos[1] << 8);
+	a4_included = (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
+		(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
+
+	ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len);
+	data_len -= CCMP_HDR_LEN + (encrypted ? CCMP_MIC_LEN : 0);
+	if (qos_tid & 0x80) {
+		qos_included = 1;
+		qos_tid &= 0x0f;
+	} else
+		qos_included = 0;
+	/* First block, b_0 */
+
+	b_0[0] = 0x59; /* flags: Adata: 1, M: 011, L: 001 */
+	/* Nonce: QoS Priority | A2 | PN */
+	b_0[1] = qos_tid;
+	memcpy(&b_0[2], hdr->addr2, 6);
+	memcpy(&b_0[8], pn, CCMP_PN_LEN);
+	/* l(m) */
+	b_0[14] = (data_len >> 8) & 0xff;
+	b_0[15] = data_len & 0xff;
+
+
+	/* AAD (extra authenticate-only data) / masked 802.11 header
+	 * FC | A1 | A2 | A3 | SC | [A4] | [QC] */
+
+	len_a = a4_included ? 28 : 22;
+	if (qos_included)
+		len_a += 2;
+
+	aad[0] = 0; /* (len_a >> 8) & 0xff; */
+	aad[1] = len_a & 0xff;
+	/* Mask FC: zero subtype b4 b5 b6 */
+	aad[2] = fc_pos[0] & ~(BIT(4) | BIT(5) | BIT(6));
+	/* Retry, PwrMgt, MoreData; set Protected */
+	aad[3] = (fc_pos[1] & ~(BIT(3) | BIT(4) | BIT(5))) | BIT(6);
+	memcpy(&aad[4], &hdr->addr1, 18);
+
+	/* Mask Seq#, leave Frag# */
+	aad[22] = *((u8 *) &hdr->seq_ctrl) & 0x0f;
+	aad[23] = 0;
+	if (a4_included) {
+		memcpy(&aad[24], hdr->addr4, 6);
+		aad[30] = 0;
+		aad[31] = 0;
+	} else
+		memset(&aad[24], 0, 8);
+	if (qos_included) {
+		u8 *dpos = &aad[a4_included ? 30 : 24];
+
+		/* Mask QoS Control field */
+		dpos[0] = qos_tid;
+		dpos[1] = 0;
+	}
+}
+
+
+static inline void ccmp_pn2hdr(u8 *hdr, u8 *pn, int key_id)
+{
+	hdr[0] = pn[5];
+	hdr[1] = pn[4];
+	hdr[2] = 0;
+	hdr[3] = 0x20 | (key_id << 6);
+	hdr[4] = pn[3];
+	hdr[5] = pn[2];
+	hdr[6] = pn[1];
+	hdr[7] = pn[0];
+}
+
+
+static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr)
+{
+	pn[0] = hdr[7];
+	pn[1] = hdr[6];
+	pn[2] = hdr[5];
+	pn[3] = hdr[4];
+	pn[4] = hdr[1];
+	pn[5] = hdr[0];
+	return (hdr[3] >> 6) & 0x03;
+}
+
+
+static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx,
+			    struct sk_buff *skb, int test)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_key *key = tx->key;
+	int hdrlen, len, tailneed;
+	u16 fc;
+	u8 *pos, *pn, *b_0, *aad, *scratch;
+	int i;
+
+	scratch = key->u.ccmp.tx_crypto_buf;
+	b_0 = scratch + 3 * AES_BLOCK_LEN;
+	aad = scratch + 4 * AES_BLOCK_LEN;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	hdrlen = ieee80211_get_hdrlen(fc);
+	len = skb->len - hdrlen;
+
+	tailneed = !key->force_sw_encrypt ? 0 : CCMP_MIC_LEN;
+
+	if ((skb_headroom(skb) < CCMP_HDR_LEN ||
+	     skb_tailroom(skb) < tailneed)) {
+		I802_DEBUG_INC(tx->local->tx_expand_skb_head);
+		if (unlikely(pskb_expand_head(skb, CCMP_HDR_LEN, tailneed,
+					      GFP_ATOMIC)))
+			return -1;
+	}
+
+	pos = skb_push(skb, CCMP_HDR_LEN);
+	memmove(pos, pos + CCMP_HDR_LEN, hdrlen);
+	hdr = (struct ieee80211_hdr *) pos;
+	pos += hdrlen;
+
+	/* PN = PN + 1 */
+	pn = key->u.ccmp.tx_pn;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (test & WPA_TRIGGER_TX_REPLAY)
+		goto skip_pn_inc;
+pn_inc:
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
+		pn[i]++;
+		if (pn[i])
+			break;
+	}
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (test & WPA_TRIGGER_TX_SKIP_SEQ) {
+		test = 0;
+		goto pn_inc;
+	}
+skip_pn_inc:
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	ccmp_pn2hdr(pos, pn, key->keyidx);
+
+	if (!key->force_sw_encrypt) {
+		/* hwaccel - with preallocated room for CCMP header */
+		tx->u.tx.control->key_idx = key->hw_key_idx;
+		return 0;
+	}
+
+	pos += CCMP_HDR_LEN;
+	ccmp_special_blocks(skb, pn, b_0, aad, 0);
+	ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, b_0, aad, pos, len,
+				  pos, skb_put(skb, CCMP_MIC_LEN));
+
+	return 0;
+}
+
+
+ieee80211_txrx_result
+ieee80211_tx_h_ccmp_encrypt(struct ieee80211_txrx_data *tx)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
+	struct ieee80211_key *key = tx->key;
+	u16 fc;
+	struct sk_buff *skb = tx->skb;
+	int test = 0;
+
+	fc = le16_to_cpu(hdr->frame_control);
+
+	if (!key || key->alg != ALG_CCMP || !WLAN_FC_DATA_PRESENT(fc))
+		return TXRX_CONTINUE;
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+	if (tx->sta) {
+		test = tx->sta->wpa_trigger;
+		tx->sta->wpa_trigger = 0;
+	} else {
+		test = tx->local->wpa_trigger;
+		tx->local->wpa_trigger = 0;
+	}
+	if (test &
+	    (WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
+	     WPA_TRIGGER_TX_SKIP_SEQ)) {
+		printk(KERN_INFO "%s: WPA testing - CCMP TX packet number "
+		       "%s%s%s%s\n", tx->dev->name,
+		       tx->sta ? "[UNICAST]" : "[MULTICAST]",
+		       test & WPA_TRIGGER_TX_REPLAY ? "[REPLAY]" : "",
+		       test & WPA_TRIGGER_TX_REPLAY_FRAG ?
+		       "[REPLAY FRAG]" : "",
+		       test & WPA_TRIGGER_TX_SKIP_SEQ ? "[SKIP SEQ]" : "");
+	}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+	tx->u.tx.control->icv_len = CCMP_MIC_LEN;
+	tx->u.tx.control->iv_len = CCMP_HDR_LEN;
+	ieee80211_tx_set_iswep(tx);
+
+	if (!tx->key->force_sw_encrypt &&
+	    !(tx->local->hw.flags & IEEE80211_HW_WEP_INCLUDE_IV)) {
+		/* hwaccel - with no need for preallocated room for CCMP "
+		 * header or MIC fields */
+		tx->u.tx.control->key_idx = tx->key->hw_key_idx;
+		return TXRX_CONTINUE;
+	}
+
+	if (ccmp_encrypt_skb(tx, skb, test) < 0)
+		return TXRX_DROP;
+
+	if (tx->u.tx.extra_frag) {
+		int i;
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+		if (test & WPA_TRIGGER_TX_REPLAY_FRAG)
+			test |= WPA_TRIGGER_TX_REPLAY;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+		for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
+			if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
+			    < 0)
+				return TXRX_DROP;
+		}
+	}
+
+	return TXRX_CONTINUE;
+}
+
+
+ieee80211_txrx_result
+ieee80211_rx_h_ccmp_decrypt(struct ieee80211_txrx_data *rx)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
+	u16 fc;
+	int hdrlen;
+	struct ieee80211_key *key = rx->key;
+	struct sk_buff *skb = rx->skb;
+	u8 pn[CCMP_PN_LEN];
+	int data_len;
+
+	fc = le16_to_cpu(hdr->frame_control);
+	hdrlen = ieee80211_get_hdrlen(fc);
+
+	if (!key || key->alg != ALG_CCMP ||
+	    !(rx->fc & IEEE80211_FCTL_PROTECTED) ||
+	    (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
+		return TXRX_CONTINUE;
+
+	data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
+	if (!rx->sta || data_len < 0)
+		return TXRX_DROP;
+
+	if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
+	    !key->force_sw_encrypt &&
+	    !(rx->local->hw.flags & IEEE80211_HW_WEP_INCLUDE_IV))
+		return TXRX_CONTINUE;
+
+	(void) ccmp_hdr2pn(pn, skb->data + hdrlen);
+
+	if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) {
+#ifdef CONFIG_MAC80211_DEBUG
+		u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue];
+		printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from "
+		       MAC_FMT " (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN "
+		       "%02x%02x%02x%02x%02x%02x)\n", rx->dev->name,
+		       MAC_ARG(rx->sta->addr),
+		       pn[0], pn[1], pn[2], pn[3], pn[4], pn[5],
+		       ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]);
+#endif /* CONFIG_MAC80211_DEBUG */
+		key->u.ccmp.replays++;
+		return TXRX_DROP;
+	}
+
+	if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
+	    !key->force_sw_encrypt) {
+		/* hwaccel has already decrypted frame and verified MIC */
+	} else {
+		u8 *scratch, *b_0, *aad;
+
+		scratch = key->u.ccmp.rx_crypto_buf;
+		b_0 = scratch + 3 * AES_BLOCK_LEN;
+		aad = scratch + 4 * AES_BLOCK_LEN;
+
+		ccmp_special_blocks(skb, pn, b_0, aad, 1);
+
+		if (ieee80211_aes_ccm_decrypt(
+			    key->u.ccmp.tfm, scratch, b_0, aad,
+			    skb->data + hdrlen + CCMP_HDR_LEN, data_len,
+			    skb->data + skb->len - CCMP_MIC_LEN,
+			    skb->data + hdrlen + CCMP_HDR_LEN)) {
+			printk(KERN_DEBUG "%s: CCMP decrypt failed for RX "
+			       "frame from " MAC_FMT "\n", rx->dev->name,
+			       MAC_ARG(rx->sta->addr));
+			return TXRX_DROP;
+		}
+	}
+
+	memcpy(key->u.ccmp.rx_pn[rx->u.rx.queue], pn, CCMP_PN_LEN);
+
+	/* Remove CCMP header and MIC */
+	skb_trim(skb, skb->len - CCMP_MIC_LEN);
+	memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
+	skb_pull(skb, CCMP_HDR_LEN);
+
+	return TXRX_CONTINUE;
+}
+

package/mac80211/src/mac80211/wpa.h

@@ -0,0 +1,31 @@
+/*
+ * 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 WPA_H
+#define WPA_H
+
+#include <linux/skbuff.h>
+#include <linux/types.h>
+#include "ieee80211_i.h"
+
+ieee80211_txrx_result
+ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx);
+ieee80211_txrx_result
+ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx);
+
+ieee80211_txrx_result
+ieee80211_tx_h_tkip_encrypt(struct ieee80211_txrx_data *tx);
+ieee80211_txrx_result
+ieee80211_rx_h_tkip_decrypt(struct ieee80211_txrx_data *rx);
+
+ieee80211_txrx_result
+ieee80211_tx_h_ccmp_encrypt(struct ieee80211_txrx_data *tx);
+ieee80211_txrx_result
+ieee80211_rx_h_ccmp_decrypt(struct ieee80211_txrx_data *rx);
+
+#endif /* WPA_H */

package/mac80211/src/wireless/Kconfig

@@ -0,0 +1,31 @@
+config CFG80211
+        tristate "Improved wireless configuration API"
+
+config NL80211
+	bool "nl80211 new netlink interface support"
+	depends CFG80211
+	default y
+	---help---
+         This option turns on the new netlink interface
+         (nl80211) support in cfg80211.
+
+         If =n, drivers using mac80211 will be configured via
+         wireless extension support provided by that subsystem.
+
+         If unsure, say Y.
+
+config WIRELESS_EXT
+	bool "Wireless extensions"
+	default n
+	---help---
+	  This option enables the legacy wireless extensions
+	  (wireless network interface configuration via ioctls.)
+
+	  Wireless extensions will be replaced by cfg80211 and
+	  will be required only by legacy drivers that implement
+	  wireless extension handlers. This option does not
+	  affect the wireless-extension backward compatibility
+	  code in cfg80211.
+
+	  Say N (if you can) unless you know you need wireless
+	  extensions for external modules.

package/mac80211/src/wireless/Makefile

@@ -0,0 +1,5 @@
+obj-$(CONFIG_WIRELESS_EXT) += wext.o
+obj-$(CONFIG_CFG80211) += cfg80211.o
+
+cfg80211-y += core.o sysfs.o
+cfg80211-$(CONFIG_NL80211) += nl80211.o

package/mac80211/src/wireless/core.c

@@ -0,0 +1,367 @@
+/*
+ * This is the linux wireless configuration interface.
+ *
+ * Copyright 2006, 2007		Johannes Berg <johannes@sipsolutions.net>
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/nl80211.h>
+#include <linux/debugfs.h>
+#include <linux/notifier.h>
+#include <linux/device.h>
+#include <net/genetlink.h>
+#include <net/cfg80211.h>
+#include <net/wireless.h>
+#include "nl80211.h"
+#include "core.h"
+#include "sysfs.h"
+
+/* name for sysfs, %d is appended */
+#define PHY_NAME "phy"
+
+MODULE_AUTHOR("Johannes Berg");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("wireless configuration support");
+
+/* RCU might be appropriate here since we usually
+ * only read the list, and that can happen quite
+ * often because we need to do it for each command */
+LIST_HEAD(cfg80211_drv_list);
+DEFINE_MUTEX(cfg80211_drv_mutex);
+static int wiphy_counter;
+
+/* for debugfs */
+static struct dentry *ieee80211_debugfs_dir;
+
+/* requires cfg80211_drv_mutex to be held! */
+static struct cfg80211_registered_device *cfg80211_drv_by_wiphy(int wiphy)
+{
+	struct cfg80211_registered_device *result = NULL, *drv;
+
+	list_for_each_entry(drv, &cfg80211_drv_list, list) {
+		if (drv->idx == wiphy) {
+			result = drv;
+			break;
+		}
+	}
+
+	return result;
+}
+
+/* requires cfg80211_drv_mutex to be held! */
+static struct cfg80211_registered_device *
+__cfg80211_drv_from_info(struct genl_info *info)
+{
+	int ifindex;
+	struct cfg80211_registered_device *bywiphy = NULL, *byifidx = NULL;
+	struct net_device *dev;
+	int err = -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_WIPHY]) {
+		bywiphy = cfg80211_drv_by_wiphy(
+				nla_get_u32(info->attrs[NL80211_ATTR_WIPHY]));
+		err = -ENODEV;
+	}
+
+	if (info->attrs[NL80211_ATTR_IFINDEX]) {
+		ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+		dev = dev_get_by_index(ifindex);
+		if (dev) {
+			if (dev->ieee80211_ptr)
+				byifidx =
+					wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+			dev_put(dev);
+		}
+		err = -ENODEV;
+	}
+
+	if (bywiphy && byifidx) {
+		if (bywiphy != byifidx)
+			return ERR_PTR(-EINVAL);
+		else
+			return bywiphy; /* == byifidx */
+	}
+	if (bywiphy)
+		return bywiphy;
+
+	if (byifidx)
+		return byifidx;
+
+	return ERR_PTR(err);
+}
+
+struct cfg80211_registered_device *
+cfg80211_get_dev_from_info(struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+
+	mutex_lock(&cfg80211_drv_mutex);
+	drv = __cfg80211_drv_from_info(info);
+
+	/* if it is not an error we grab the lock on
+	 * it to assure it won't be going away while
+	 * we operate on it */
+	if (!IS_ERR(drv))
+		mutex_lock(&drv->mtx);
+
+	mutex_unlock(&cfg80211_drv_mutex);
+
+	return drv;
+}
+
+struct cfg80211_registered_device *
+cfg80211_get_dev_from_ifindex(int ifindex)
+{
+	struct cfg80211_registered_device *drv = ERR_PTR(-ENODEV);
+	struct net_device *dev;
+
+	mutex_lock(&cfg80211_drv_mutex);
+	dev = dev_get_by_index(ifindex);
+	if (!dev)
+		goto out;
+	if (dev->ieee80211_ptr) {
+		drv = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+		mutex_lock(&drv->mtx);
+	} else
+		drv = ERR_PTR(-ENODEV);
+	dev_put(dev);
+ out:
+	mutex_unlock(&cfg80211_drv_mutex);
+	return drv;
+}
+
+void cfg80211_put_dev(struct cfg80211_registered_device *drv)
+{
+	BUG_ON(IS_ERR(drv));
+	mutex_unlock(&drv->mtx);
+}
+
+int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
+			char *newname)
+{
+	int idx, taken = -1, result, digits;
+
+	/* prohibit calling the thing phy%d when %d is not its number */
+	sscanf(newname, PHY_NAME "%d%n", &idx, &taken);
+	if (taken == strlen(newname) && idx != rdev->idx) {
+		/* count number of places needed to print idx */
+		digits = 1;
+		while (idx /= 10)
+			digits++;
+		/*
+		 * deny the name if it is phy<idx> where <idx> is printed
+		 * without leading zeroes. taken == strlen(newname) here
+		 */
+		if (taken == strlen(PHY_NAME) + digits)
+			return -EINVAL;
+	}
+
+	/* this will check for collisions */
+	result = device_rename(&rdev->wiphy.dev, newname);
+	if (!result)
+		return result;
+
+	/* TODO: do debugfs rename! */
+
+	nl80211_notify_dev_rename(rdev);
+
+	return 0;
+}
+
+/* exported functions */
+
+struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv)
+{
+	struct cfg80211_registered_device *drv;
+	int alloc_size;
+
+	alloc_size = sizeof(*drv) + sizeof_priv;
+
+	drv = kzalloc(alloc_size, GFP_KERNEL);
+	if (!drv)
+		return NULL;
+
+	drv->ops = ops;
+
+	mutex_lock(&cfg80211_drv_mutex);
+
+	drv->idx = wiphy_counter;
+
+	/* now increase counter for the next device unless
+	 * it has wrapped previously */
+	if (wiphy_counter >= 0)
+		wiphy_counter++;
+
+	mutex_unlock(&cfg80211_drv_mutex);
+
+	if (unlikely(drv->idx < 0)) {
+		/* ugh, wrapped! */
+		kfree(drv);
+		return NULL;
+	}
+
+	/* give it a proper name */
+	snprintf(drv->wiphy.dev.bus_id, BUS_ID_SIZE,
+		 PHY_NAME "%d", drv->idx);
+
+	mutex_init(&drv->mtx);
+	mutex_init(&drv->devlist_mtx);
+	INIT_LIST_HEAD(&drv->netdev_list);
+
+	device_initialize(&drv->wiphy.dev);
+	drv->wiphy.dev.class = &ieee80211_class;
+	drv->wiphy.dev.platform_data = drv;
+
+	return &drv->wiphy;
+}
+EXPORT_SYMBOL(wiphy_new);
+
+int wiphy_register(struct wiphy *wiphy)
+{
+	struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+	int res;
+
+	mutex_lock(&cfg80211_drv_mutex);
+
+	res = device_add(&drv->wiphy.dev);
+	if (res)
+		goto out_unlock;
+
+	list_add(&drv->list, &cfg80211_drv_list);
+
+	/* add to debugfs */
+	drv->wiphy.debugfsdir =
+		debugfs_create_dir(wiphy_name(&drv->wiphy),
+				   ieee80211_debugfs_dir);
+
+	res = 0;
+out_unlock:
+	mutex_unlock(&cfg80211_drv_mutex);
+	return res;
+}
+EXPORT_SYMBOL(wiphy_register);
+
+void wiphy_unregister(struct wiphy *wiphy)
+{
+	struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+
+	/* protect the device list */
+	mutex_lock(&cfg80211_drv_mutex);
+
+	BUG_ON(!list_empty(&drv->netdev_list));
+
+	/*
+	 * Try to grab drv->mtx. If a command is still in progress,
+	 * hopefully the driver will refuse it since it's tearing
+	 * down the device already. We wait for this command to complete
+	 * before unlinking the item from the list.
+	 * Note: as codified by the BUG_ON above we cannot get here if
+	 * a virtual interface is still associated. Hence, we can only
+	 * get to lock contention here if userspace issues a command
+	 * that identified the hardware by wiphy index.
+	 */
+	mutex_lock(&drv->mtx);
+	/* unlock again before freeing */
+	mutex_unlock(&drv->mtx);
+
+	list_del(&drv->list);
+	device_del(&drv->wiphy.dev);
+	debugfs_remove(drv->wiphy.debugfsdir);
+
+	mutex_unlock(&cfg80211_drv_mutex);
+}
+EXPORT_SYMBOL(wiphy_unregister);
+
+void cfg80211_dev_free(struct cfg80211_registered_device *drv)
+{
+	mutex_destroy(&drv->mtx);
+	mutex_destroy(&drv->devlist_mtx);
+	kfree(drv);
+}
+
+void wiphy_free(struct wiphy *wiphy)
+{
+	put_device(&wiphy->dev);
+}
+EXPORT_SYMBOL(wiphy_free);
+
+static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
+					 unsigned long state,
+					 void *ndev)
+{
+	struct net_device *dev = ndev;
+	struct cfg80211_registered_device *rdev;
+
+	if (!dev->ieee80211_ptr)
+		return 0;
+
+	rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+
+	switch (state) {
+	case NETDEV_REGISTER:
+		mutex_lock(&rdev->devlist_mtx);
+		list_add(&dev->ieee80211_ptr->list, &rdev->netdev_list);
+		if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,
+				      "phy80211")) {
+			printk(KERN_ERR "wireless: failed to add phy80211 "
+				"symlink to netdev!\n");
+		}
+		dev->ieee80211_ptr->netdev = dev;
+		mutex_unlock(&rdev->devlist_mtx);
+		break;
+	case NETDEV_UNREGISTER:
+		mutex_lock(&rdev->devlist_mtx);
+		if (!list_empty(&dev->ieee80211_ptr->list)) {
+			sysfs_remove_link(&dev->dev.kobj, "phy80211");
+			list_del_init(&dev->ieee80211_ptr->list);
+		}
+		mutex_unlock(&rdev->devlist_mtx);
+		break;
+	}
+
+	return 0;
+}
+
+static struct notifier_block cfg80211_netdev_notifier = {
+	.notifier_call = cfg80211_netdev_notifier_call,
+};
+
+static int cfg80211_init(void)
+{
+	int err = wiphy_sysfs_init();
+	if (err)
+		goto out_fail_sysfs;
+
+	err = register_netdevice_notifier(&cfg80211_netdev_notifier);
+	if (err)
+		goto out_fail_notifier;
+
+	err = nl80211_init();
+	if (err)
+		goto out_fail_nl80211;
+
+	ieee80211_debugfs_dir = debugfs_create_dir("ieee80211", NULL);
+
+	return 0;
+
+out_fail_nl80211:
+	unregister_netdevice_notifier(&cfg80211_netdev_notifier);
+out_fail_notifier:
+	wiphy_sysfs_exit();
+out_fail_sysfs:
+	return err;
+}
+module_init(cfg80211_init);
+
+static void cfg80211_exit(void)
+{
+	debugfs_remove(ieee80211_debugfs_dir);
+	nl80211_exit();
+	unregister_netdevice_notifier(&cfg80211_netdev_notifier);
+	wiphy_sysfs_exit();
+}
+module_exit(cfg80211_exit);

package/mac80211/src/wireless/core.h

@@ -0,0 +1,81 @@
+/*
+ * Wireless configuration interface internals.
+ *
+ * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
+ */
+#ifndef __NET_WIRELESS_CORE_H
+#define __NET_WIRELESS_CORE_H
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <net/genetlink.h>
+#include <net/wireless.h>
+#include <net/cfg80211.h>
+
+struct cfg80211_registered_device {
+	struct cfg80211_ops *ops;
+	struct list_head list;
+	/* we hold this mutex during any call so that
+	 * we cannot do multiple calls at once, and also
+	 * to avoid the deregister call to proceed while
+	 * any call is in progress */
+	struct mutex mtx;
+
+	/* wiphy index, internal only */
+	int idx;
+
+	/* associate netdev list */
+	struct mutex devlist_mtx;
+	struct list_head netdev_list;
+
+	/* must be last because of the way we do wiphy_priv(),
+	 * and it should at least be aligned to NETDEV_ALIGN */
+	struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
+};
+
+static inline
+struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
+{
+	BUG_ON(!wiphy);
+	return container_of(wiphy, struct cfg80211_registered_device, wiphy);
+}
+
+extern struct mutex cfg80211_drv_mutex;
+extern struct list_head cfg80211_drv_list;
+
+/*
+ * This function returns a pointer to the driver
+ * that the genl_info item that is passed refers to.
+ * If successful, it returns non-NULL and also locks
+ * the driver's mutex!
+ *
+ * This means that you need to call cfg80211_put_dev()
+ * before being allowed to acquire &cfg80211_drv_mutex!
+ *
+ * This is necessary because we need to lock the global
+ * mutex to get an item off the list safely, and then
+ * we lock the drv mutex so it doesn't go away under us.
+ *
+ * We don't want to keep cfg80211_drv_mutex locked
+ * for all the time in order to allow requests on
+ * other interfaces to go through at the same time.
+ *
+ * The result of this can be a PTR_ERR and hence must
+ * be checked with IS_ERR() for errors.
+ */
+extern struct cfg80211_registered_device *
+cfg80211_get_dev_from_info(struct genl_info *info);
+
+/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
+extern struct cfg80211_registered_device *
+cfg80211_get_dev_from_ifindex(int ifindex);
+
+extern void cfg80211_put_dev(struct cfg80211_registered_device *drv);
+
+/* free object */
+extern void cfg80211_dev_free(struct cfg80211_registered_device *drv);
+
+extern int cfg80211_dev_rename(struct cfg80211_registered_device *drv,
+			       char *newname);
+
+#endif /* __NET_WIRELESS_CORE_H */

package/mac80211/src/wireless/nl80211.c

@@ -0,0 +1,994 @@
+/*
+ * This is the new netlink-based wireless configuration interface.
+ *
+ * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/ieee80211.h>
+#include <linux/nl80211.h>
+#include <linux/rtnetlink.h>
+#include <net/genetlink.h>
+#include <net/cfg80211.h>
+#include "core.h"
+#include "nl80211.h"
+
+/* the netlink family */
+static struct genl_family nl80211_fam = {
+	.id = GENL_ID_GENERATE,	/* don't bother with a hardcoded ID */
+	.name = "nl80211",	/* have users key off the name instead */
+	.hdrsize = 0,		/* no private header */
+	.version = 1,		/* no particular meaning now */
+	.maxattr = NL80211_ATTR_MAX,
+};
+
+/* internal helper: validate an information element attribute */
+static int check_information_element(struct nlattr *nla)
+{
+	int len = nla_len(nla);
+	u8 *data = nla_data(nla);
+	int elementlen;
+
+	while (len >= 2) {
+		/* 1 byte ID, 1 byte len, `len' bytes data */
+		elementlen = *(data+1) + 2;
+		data += elementlen;
+		len -= elementlen;
+	}
+	return len ? -EINVAL : 0;
+}
+
+/* internal helper: get drv and dev */
+static int get_drv_dev_by_info_ifindex(struct genl_info *info,
+				       struct cfg80211_registered_device **drv,
+				       struct net_device **dev)
+{
+	int ifindex;
+
+	if (!info->attrs[NL80211_ATTR_IFINDEX])
+		return -EINVAL;
+
+	ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+	*dev = dev_get_by_index(ifindex);
+	if (!dev)
+		return -ENODEV;
+
+	*drv = cfg80211_get_dev_from_ifindex(ifindex);
+	if (IS_ERR(*drv)) {
+		dev_put(*dev);
+		return PTR_ERR(*drv);
+	}
+
+	return 0;
+}
+
+/* policy for the attributes */
+static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
+	[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
+	[NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
+	[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
+	[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
+				      .len = BUS_ID_SIZE-1 },
+	[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
+	[NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
+	[NL80211_ATTR_SSID] = { .type = NLA_BINARY,
+				.len = IEEE80211_MAX_SSID_LEN },
+	[NL80211_ATTR_CHANNEL] = { .type = NLA_U32 },
+	[NL80211_ATTR_PHYMODE] = { .type = NLA_U32 },
+	[NL80211_ATTR_CHANNEL_LIST] = { .type = NLA_NESTED },
+	[NL80211_ATTR_BSS_LIST] = { .type = NLA_NESTED },
+	[NL80211_ATTR_BSSTYPE] = { .type = NLA_U32 },
+	[NL80211_ATTR_BEACON_PERIOD] = { .type = NLA_U32 },
+	[NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
+	[NL80211_ATTR_TIMESTAMP] = { .type = NLA_U64 },
+	[NL80211_ATTR_IE] = { .type = NLA_BINARY, .len = NL80211_MAX_IE_LEN },
+	[NL80211_ATTR_AUTH_ALGORITHM] = { .type = NLA_U32 },
+	[NL80211_ATTR_TIMEOUT_TU] = { .type = NLA_U32 },
+	[NL80211_ATTR_REASON_CODE] = { .type = NLA_U32 },
+	[NL80211_ATTR_ASSOCIATION_ID] = { .type = NLA_U16 },
+	[NL80211_ATTR_DEAUTHENTICATED] = { .type = NLA_FLAG },
+	[NL80211_ATTR_RX_SENSITIVITY] = { .type = NLA_U32 },
+	[NL80211_ATTR_TRANSMIT_POWER] = { .type = NLA_U32 },
+	[NL80211_ATTR_FRAG_THRESHOLD] = { .type = NLA_U32 },
+	[NL80211_ATTR_FLAG_SCAN_ACTIVE] = { .type = NLA_FLAG },
+	[NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY },
+	[NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY },
+	[NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
+				    .len = WLAN_MAX_KEY_LEN },
+	[NL80211_ATTR_KEY_ID] = { .type = NLA_U32 },
+	[NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
+	[NL80211_ATTR_MAC] = { .len = ETH_ALEN },
+	[NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
+};
+
+/* netlink command implementations */
+
+#define CHECK_CMD(ptr, cmd)				\
+	if (drv->ops->ptr)				\
+		NLA_PUT_FLAG(msg, NL80211_CMD_##cmd);
+
+static int nl80211_get_cmdlist(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	struct sk_buff *msg;
+	void *hdr;
+	int err;
+	struct nlattr *start;
+
+	drv = cfg80211_get_dev_from_info(info);
+	if (IS_ERR(drv))
+		return PTR_ERR(drv);
+
+	hdr = nl80211msg_new(&msg, info->snd_pid, info->snd_seq, 0,
+			     NL80211_CMD_NEW_CMDLIST);
+	if (IS_ERR(hdr)) {
+		err = PTR_ERR(hdr);
+		goto put_drv;
+	}
+
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, drv->idx);
+
+	start = nla_nest_start(msg, NL80211_ATTR_CMDS);
+	if (!start)
+		goto nla_put_failure;
+
+	/* unconditionally allow some common commands we handle centrally
+	 * or where we require the implementation */
+	NLA_PUT_FLAG(msg, NL80211_CMD_GET_CMDLIST);
+	NLA_PUT_FLAG(msg, NL80211_CMD_GET_WIPHYS);
+	NLA_PUT_FLAG(msg, NL80211_CMD_GET_INTERFACES);
+	NLA_PUT_FLAG(msg, NL80211_CMD_RENAME_WIPHY);
+
+	CHECK_CMD(add_virtual_intf, ADD_VIRTUAL_INTERFACE);
+	CHECK_CMD(del_virtual_intf, DEL_VIRTUAL_INTERFACE);
+	CHECK_CMD(associate, ASSOCIATE);
+	CHECK_CMD(disassociate, DISASSOCIATE);
+	CHECK_CMD(deauth, DEAUTH);
+	CHECK_CMD(initiate_scan, INITIATE_SCAN);
+	CHECK_CMD(get_association, GET_ASSOCIATION);
+	CHECK_CMD(get_auth_list, GET_AUTH_LIST);
+	CHECK_CMD(add_key, ADD_KEY);
+	CHECK_CMD(del_key, DEL_KEY);
+
+	nla_nest_end(msg, start);
+
+	genlmsg_end(msg, hdr);
+
+	err = genlmsg_unicast(msg, info->snd_pid);
+	goto put_drv;
+
+ nla_put_failure:
+	err = -ENOBUFS;
+	nlmsg_free(msg);
+ put_drv:
+	cfg80211_put_dev(drv);
+	return err;
+}
+#undef CHECK_CMD
+
+static int nl80211_get_wiphys(struct sk_buff *skb, struct genl_info *info)
+{
+	struct sk_buff *msg;
+	void *hdr;
+	struct nlattr *start, *indexstart;
+	struct cfg80211_registered_device *drv;
+	int idx = 1;
+
+	hdr = nl80211msg_new(&msg, info->snd_pid, info->snd_seq, 0,
+			     NL80211_CMD_NEW_WIPHYS);
+	if (IS_ERR(hdr))
+		return PTR_ERR(hdr);
+
+	start = nla_nest_start(msg, NL80211_ATTR_WIPHY_LIST);
+	if (!start)
+		goto nla_outer_nest_failure;
+
+	mutex_lock(&cfg80211_drv_mutex);
+	list_for_each_entry(drv, &cfg80211_drv_list, list) {
+		indexstart = nla_nest_start(msg, idx++);
+		if (!indexstart)
+			goto nla_put_failure;
+		NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, drv->idx);
+		nla_nest_end(msg, indexstart);
+	}
+	mutex_unlock(&cfg80211_drv_mutex);
+
+	nla_nest_end(msg, start);
+
+	genlmsg_end(msg, hdr);
+
+	return genlmsg_unicast(msg, info->snd_pid);
+
+ nla_put_failure:
+	mutex_unlock(&cfg80211_drv_mutex);
+ nla_outer_nest_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+
+static int addifidx(struct net_device *dev, struct sk_buff *skb, int *idx)
+{
+	int err = -ENOBUFS;
+	struct nlattr *start;
+
+	dev_hold(dev);
+
+	start = nla_nest_start(skb, *idx++);
+	if (!start)
+		goto nla_put_failure;
+
+	NLA_PUT_U32(skb, NL80211_ATTR_IFINDEX, dev->ifindex);
+	NLA_PUT_STRING(skb, NL80211_ATTR_IFNAME, dev->name);
+
+	nla_nest_end(skb, start);
+	err = 0;
+
+ nla_put_failure:
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_get_intfs(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	struct sk_buff *msg;
+	void *hdr;
+	int err, array_idx;
+	struct nlattr *start;
+	struct wireless_dev *wdev;
+
+	drv = cfg80211_get_dev_from_info(info);
+	if (IS_ERR(drv))
+		return PTR_ERR(drv);
+
+	hdr = nl80211msg_new(&msg, info->snd_pid, info->snd_seq, 0,
+			     NL80211_CMD_NEW_INTERFACES);
+	if (IS_ERR(hdr)) {
+		err = PTR_ERR(hdr);
+		goto put_drv;
+	}
+
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, drv->idx);
+
+	start = nla_nest_start(msg, NL80211_ATTR_INTERFACE_LIST);
+	if (!start) {
+		err = -ENOBUFS;
+		goto msg_free;
+	}
+
+	array_idx = 1;
+	err = 0;
+	mutex_lock(&drv->devlist_mtx);
+	list_for_each_entry(wdev, &drv->netdev_list, list) {
+		err = addifidx(wdev->netdev, msg, &array_idx);
+		if (err)
+			break;
+	}
+	mutex_unlock(&drv->devlist_mtx);
+	if (err)
+		goto msg_free;
+
+	nla_nest_end(msg, start);
+
+	genlmsg_end(msg, hdr);
+
+	err = genlmsg_unicast(msg, info->snd_pid);
+	goto put_drv;
+
+ nla_put_failure:
+	err = -ENOBUFS;
+ msg_free:
+	nlmsg_free(msg);
+ put_drv:
+	cfg80211_put_dev(drv);
+	return err;
+}
+
+static int nl80211_add_virt_intf(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	unsigned int type = NL80211_IFTYPE_UNSPECIFIED;
+
+	if (!info->attrs[NL80211_ATTR_IFNAME])
+		return -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_IFTYPE]) {
+		type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
+		if (type > NL80211_IFTYPE_MAX)
+			return -EINVAL;
+	}
+
+	drv = cfg80211_get_dev_from_info(info);
+	if (IS_ERR(drv))
+		return PTR_ERR(drv);
+
+	if (!drv->ops->add_virtual_intf) {
+		err = -EOPNOTSUPP;
+		goto unlock;
+	}
+
+	rtnl_lock();
+	err = drv->ops->add_virtual_intf(&drv->wiphy,
+		nla_data(info->attrs[NL80211_ATTR_IFNAME]), type);
+	rtnl_unlock();
+
+ unlock:
+	cfg80211_put_dev(drv);
+	return err;
+}
+
+static int nl80211_del_virt_intf(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int ifindex, err;
+	struct net_device *dev;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+	ifindex = dev->ifindex;
+	dev_put(dev);
+
+	if (!drv->ops->del_virtual_intf) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->del_virtual_intf(&drv->wiphy, ifindex);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	return err;
+}
+
+static int nl80211_change_virt_intf(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err, ifindex;
+	unsigned int type;
+	struct net_device *dev;
+
+	if (info->attrs[NL80211_ATTR_IFTYPE]) {
+		type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
+		if (type > NL80211_IFTYPE_MAX)
+			return -EINVAL;
+	} else
+		return -EINVAL;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+	ifindex = dev->ifindex;
+	dev_put(dev);
+
+	if (!drv->ops->change_virtual_intf) {
+		err = -EOPNOTSUPP;
+		goto unlock;
+	}
+
+	rtnl_lock();
+	err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, type);
+	rtnl_unlock();
+
+ unlock:
+	cfg80211_put_dev(drv);
+	return err;
+}
+
+static int nl80211_get_association(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct sk_buff *msg;
+	void *hdr;
+	u8 bssid[ETH_ALEN];
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->get_association) {
+		err = -EOPNOTSUPP;
+		goto out_put_drv;
+	}
+
+	rtnl_lock();
+	err = drv->ops->get_association(&drv->wiphy, dev, bssid);
+	rtnl_unlock();
+	if (err < 0)
+		goto out_put_drv;
+
+	hdr = nl80211msg_new(&msg, info->snd_pid, info->snd_seq, 0,
+			     NL80211_CMD_ASSOCIATION_CHANGED);
+
+	if (IS_ERR(hdr)) {
+		err = PTR_ERR(hdr);
+		goto out_put_drv;
+	}
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+	if (err == 1)
+		NLA_PUT(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid);
+
+	genlmsg_end(msg, hdr);
+	err = genlmsg_unicast(msg, info->snd_pid);
+	goto out_put_drv;
+
+ nla_put_failure:
+	err = -ENOBUFS;
+	nlmsg_free(msg);
+ out_put_drv:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct association_params assoc_params;
+
+	memset(&assoc_params, 0, sizeof(assoc_params));
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->associate) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (!info->attrs[NL80211_ATTR_SSID])
+		return -EINVAL;
+
+	assoc_params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+	assoc_params.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+	if (info->attrs[NL80211_ATTR_BSSID])
+		assoc_params.bssid = nla_data(info->attrs[NL80211_ATTR_BSSID]);
+
+	if (info->attrs[NL80211_ATTR_IE]) {
+		err = check_information_element(info->attrs[NL80211_ATTR_IE]);
+		if (err)
+			goto out;
+		assoc_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+		assoc_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+	}
+
+	if (info->attrs[NL80211_ATTR_TIMEOUT_TU]) {
+		assoc_params.timeout =
+			nla_get_u32(info->attrs[NL80211_ATTR_TIMEOUT_TU]);
+		assoc_params.valid |= ASSOC_PARAMS_TIMEOUT;
+	}
+
+	rtnl_lock();
+	err = drv->ops->associate(&drv->wiphy, dev, &assoc_params);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_disassoc_deauth(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	int (*act)(struct wiphy *wiphy, struct net_device *dev);
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	switch (info->genlhdr->cmd) {
+	case NL80211_CMD_DISASSOCIATE:
+		act = drv->ops->disassociate;
+		break;
+	case NL80211_CMD_DEAUTH:
+		act = drv->ops->deauth;
+		break;
+	default:
+		act = NULL;
+	}
+
+	if (!act) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = act(&drv->wiphy, dev);
+	rtnl_unlock();
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+struct add_cb_data {
+	int idx;
+	struct sk_buff *skb;
+};
+
+static int add_bssid(void *data, u8 *bssid)
+{
+	struct add_cb_data *cb = data;
+	int err = -ENOBUFS;
+	struct nlattr *start;
+
+	start = nla_nest_start(cb->skb, cb->idx++);
+	if (!start)
+		goto nla_put_failure;
+
+	NLA_PUT(cb->skb, NL80211_ATTR_BSSID, ETH_ALEN, bssid);
+
+	nla_nest_end(cb->skb, start);
+	err = 0;
+
+ nla_put_failure:
+	return err;
+}
+
+static int nl80211_get_auth_list(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	struct net_device *dev;
+	struct sk_buff *msg;
+	void *hdr;
+	int err;
+	struct nlattr *start;
+	struct add_cb_data cb;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->get_auth_list) {
+		err = -EOPNOTSUPP;
+		goto put_drv;
+	}
+
+	hdr = nl80211msg_new(&msg, info->snd_pid, info->snd_seq, 0,
+			     NL80211_CMD_NEW_AUTH_LIST);
+	if (IS_ERR(hdr)) {
+		err = PTR_ERR(hdr);
+		goto put_drv;
+	}
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+
+	start = nla_nest_start(msg, NL80211_ATTR_BSS_LIST);
+	if (!start) {
+		err = -ENOBUFS;
+		goto msg_free;
+	}
+
+	cb.skb = msg;
+	cb.idx = 1;
+	rtnl_lock();
+	err = drv->ops->get_auth_list(&drv->wiphy, dev, &cb, add_bssid);
+	rtnl_unlock();
+	if (err)
+		goto msg_free;
+
+	nla_nest_end(msg, start);
+
+	genlmsg_end(msg, hdr);
+
+	err = genlmsg_unicast(msg, info->snd_pid);
+	goto put_drv;
+
+ nla_put_failure:
+	err = -ENOBUFS;
+ msg_free:
+	nlmsg_free(msg);
+ put_drv:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_initiate_scan(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct scan_params params;
+	struct scan_channel *channels = NULL;
+	int count = -1;
+
+	if (info->attrs[NL80211_ATTR_PHYMODE])
+		params.phymode = nla_get_u32(info->attrs[NL80211_ATTR_PHYMODE]);
+
+	if (params.phymode > NL80211_PHYMODE_MAX)
+		return -EINVAL;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->initiate_scan) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	params.active = nla_get_flag(info->attrs[NL80211_ATTR_FLAG_SCAN_ACTIVE]);
+
+	if (info->attrs[NL80211_ATTR_CHANNEL_LIST]) {
+		struct nlattr *attr = info->attrs[NL80211_ATTR_CHANNEL_LIST];
+		struct nlattr *nla;
+		int rem;
+		struct nlattr **tb;
+
+		/* let's count first */
+		count = 0;
+		nla_for_each_attr(nla, nla_data(attr), nla_len(attr), rem)
+			count++;
+
+		if (count == 0) {
+			/* assume we should actually scan all channels,
+			 * scanning no channels make no sense */
+			count = -1;
+			goto done_channels;
+		}
+
+		if (count > NL80211_MAX_CHANNEL_LIST_ITEM) {
+			err = -EINVAL;
+			goto out;
+		}
+
+		channels = kmalloc(count * sizeof(struct scan_channel),
+				   GFP_KERNEL);
+		tb = kmalloc((NL80211_ATTR_MAX+1) * sizeof(struct nlattr),
+			     GFP_KERNEL);
+
+		count = 0;
+		nla_for_each_attr(nla, nla_data(attr), nla_len(attr), rem) {
+			err = nla_parse(tb, NL80211_ATTR_MAX, nla_data(nla),
+					nla_len(nla), nl80211_policy);
+
+			if (err || !tb[NL80211_ATTR_CHANNEL]) {
+				err = -EINVAL;
+				kfree(tb);
+				kfree(channels);
+				goto out;
+			}
+
+			channels[count].phymode = params.phymode;
+
+			if (tb[NL80211_ATTR_PHYMODE])
+				channels[count].phymode =
+					nla_get_u32(tb[NL80211_ATTR_PHYMODE]);
+
+			if (channels[count].phymode > NL80211_PHYMODE_MAX) {
+				err = -EINVAL;
+				kfree(tb);
+				kfree(channels);
+				goto out;
+			}
+
+			channels[count].channel =
+				nla_get_u32(tb[NL80211_ATTR_CHANNEL]);
+
+			channels[count].active =
+				nla_get_flag(tb[NL80211_ATTR_FLAG_SCAN_ACTIVE]);
+			count++;
+		}
+		kfree(tb);
+	}
+
+ done_channels:
+	params.channels = channels;
+	params.n_channels = count;
+
+	rtnl_lock();
+	err = drv->ops->initiate_scan(&drv->wiphy, dev, &params);
+	rtnl_unlock();
+
+	kfree(channels);
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_rename_wiphy(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev;
+	int result;
+
+	if (!info->attrs[NL80211_ATTR_WIPHY_NAME])
+		return -EINVAL;
+
+	rdev = cfg80211_get_dev_from_info(info);
+	if (IS_ERR(rdev))
+		return PTR_ERR(rdev);
+
+	result = cfg80211_dev_rename(rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
+
+	cfg80211_put_dev(rdev);
+	return result;
+}
+
+static int nl80211_key_cmd(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err, del;
+	struct net_device *dev;
+	struct key_params params;
+	int (*act)(struct wiphy *wiphy, struct net_device *dev,
+		   struct key_params *params);
+
+	memset(&params, 0, sizeof(params));
+
+	if (!info->attrs[NL80211_ATTR_KEY_TYPE])
+		return -EINVAL;
+
+	if (!info->attrs[NL80211_ATTR_KEY_CIPHER])
+		return -EINVAL;
+
+	params.key_type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
+	if (params.key_type > NL80211_KEYTYPE_MAX)
+		return -EINVAL;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	switch (info->genlhdr->cmd) {
+	case NL80211_CMD_ADD_KEY:
+		act = drv->ops->add_key;
+		del = 0;
+		break;
+	case NL80211_CMD_DEL_KEY:
+		act = drv->ops->del_key;
+		del = 1;
+		break;
+	default:
+		act = NULL;
+	}
+
+	if (!act) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (info->attrs[NL80211_ATTR_KEY_DATA]) {
+		params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
+		params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
+	}
+
+	if (info->attrs[NL80211_ATTR_KEY_ID]) {
+		params.key_id = nla_get_u32(info->attrs[NL80211_ATTR_KEY_ID]);
+	} else {
+		params.key_id = -1;
+	}
+
+	params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
+
+	if (info->attrs[NL80211_ATTR_MAC]) {
+		params.macaddress = nla_data(info->attrs[NL80211_ATTR_MAC]);
+	} else {
+		params.macaddress = NULL;
+	}
+
+	rtnl_lock();
+	err = act(&drv->wiphy, dev, &params);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static struct genl_ops nl80211_ops[] = {
+	{
+		.cmd = NL80211_CMD_RENAME_WIPHY,
+		.doit = nl80211_rename_wiphy,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_GET_CMDLIST,
+		.doit = nl80211_get_cmdlist,
+		.policy = nl80211_policy,
+		/* can be retrieved by unprivileged users */
+	},
+	{
+		.cmd = NL80211_CMD_ADD_VIRTUAL_INTERFACE,
+		.doit = nl80211_add_virt_intf,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DEL_VIRTUAL_INTERFACE,
+		.doit = nl80211_del_virt_intf,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_CHANGE_VIRTUAL_INTERFACE,
+		.doit = nl80211_change_virt_intf,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_GET_WIPHYS,
+		.doit = nl80211_get_wiphys,
+		.policy = nl80211_policy,
+		/* can be retrieved by unprivileged users */
+	},
+	{
+		.cmd = NL80211_CMD_GET_INTERFACES,
+		.doit = nl80211_get_intfs,
+		.policy = nl80211_policy,
+		/* can be retrieved by unprivileged users */
+	},
+	{
+		.cmd = NL80211_CMD_INITIATE_SCAN,
+		.doit = nl80211_initiate_scan,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_GET_ASSOCIATION,
+		.doit = nl80211_get_association,
+		.policy = nl80211_policy,
+		/* can be retrieved by unprivileged users */
+	},
+	{
+		.cmd = NL80211_CMD_ASSOCIATE,
+		.doit = nl80211_associate,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DISASSOCIATE,
+		.doit = nl80211_disassoc_deauth,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DEAUTH,
+		.doit = nl80211_disassoc_deauth,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_GET_AUTH_LIST,
+		.doit = nl80211_get_auth_list,
+		.policy = nl80211_policy,
+		/* can be retrieved by unprivileged users */
+	},
+/*
+	{
+		.cmd = NL80211_CMD_AP_SET_BEACON,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_AP_ADD_STA,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_AP_UPDATE_STA,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_AP_GET_STA_INFO,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_AP_SET_RATESETS,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+*/
+	{
+		.cmd = NL80211_CMD_ADD_KEY,
+		.doit = nl80211_key_cmd,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DEL_KEY,
+		.doit = nl80211_key_cmd,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+};
+
+
+/* exported functions */
+
+void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, int flags, u8 cmd)
+{
+	/* since there is no private header just add the generic one */
+	return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);
+}
+EXPORT_SYMBOL_GPL(nl80211hdr_put);
+
+void *nl80211msg_new(struct sk_buff **skb, u32 pid, u32 seq, int flags, u8 cmd)
+{
+	void *hdr;
+
+	*skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	if (!*skb)
+		return ERR_PTR(-ENOBUFS);
+
+	hdr = nl80211hdr_put(*skb, pid, seq, flags, cmd);
+	if (!hdr) {
+		nlmsg_free(*skb);
+		return ERR_PTR(-ENOBUFS);
+	}
+
+	return hdr;
+}
+EXPORT_SYMBOL_GPL(nl80211msg_new);
+
+/* notification functions */
+
+void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
+{
+	struct sk_buff *msg;
+	void *hdr;
+
+	hdr = nl80211msg_new(&msg, 0, 0, 0, NL80211_CMD_WIPHY_NEWNAME);
+	if (IS_ERR(hdr))
+		return;
+
+	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->idx);
+	NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&rdev->wiphy));
+
+	genlmsg_end(msg, hdr);
+	genlmsg_multicast(msg, 0, NL80211_GROUP_CONFIG, GFP_KERNEL);
+
+	return;
+
+ nla_put_failure:
+	nlmsg_free(msg);
+}
+
+/* initialisation/exit functions */
+
+int nl80211_init(void)
+{
+	int err, i;
+
+	err = genl_register_family(&nl80211_fam);
+	if (err)
+		return err;
+
+	for (i = 0; i < ARRAY_SIZE(nl80211_ops); i++) {
+		err = genl_register_ops(&nl80211_fam, &nl80211_ops[i]);
+		if (err)
+			goto err_out;
+	}
+	return 0;
+ err_out:
+	genl_unregister_family(&nl80211_fam);
+	return err;
+}
+
+void nl80211_exit(void)
+{
+	genl_unregister_family(&nl80211_fam);
+}

package/mac80211/src/wireless/nl80211.h

@@ -0,0 +1,24 @@
+#ifndef __NET_WIRELESS_NL80211_H
+#define __NET_WIRELESS_NL80211_H
+
+#include "core.h"
+
+#ifdef CONFIG_NL80211
+extern int nl80211_init(void);
+extern void nl80211_exit(void);
+extern void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
+#else
+static inline int nl80211_init(void)
+{
+	return 0;
+}
+static inline void nl80211_exit(void)
+{
+}
+static inline void nl80211_notify_dev_rename(
+	struct cfg80211_registered_device *rdev)
+{
+}
+#endif /* CONFIG_NL80211 */
+
+#endif /* __NET_WIRELESS_NL80211_H */

package/mac80211/src/wireless/sysfs.c

@@ -0,0 +1,130 @@
+/*
+ * This file provides /sys/class/ieee80211/<wiphy name>/
+ * and some default attributes.
+ *
+ * Copyright 2005-2006	Jiri Benc <jbenc@suse.cz>
+ * Copyright 2006	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This file is GPLv2 as found in COPYING.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/nl80211.h>
+#include <linux/rtnetlink.h>
+#include <net/cfg80211.h>
+#include "sysfs.h"
+#include "core.h"
+
+static inline struct cfg80211_registered_device *dev_to_rdev(
+	struct device *dev)
+{
+	return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
+}
+
+static ssize_t _show_index(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	return sprintf(buf, "%d\n", dev_to_rdev(dev)->idx);
+}
+
+static ssize_t _show_permaddr(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	unsigned char *addr = dev_to_rdev(dev)->wiphy.perm_addr;
+
+	return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+		       addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+}
+
+static ssize_t _store_add_iface(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t len)
+{
+	struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+	int res;
+
+	if (len > IFNAMSIZ)
+		return -EINVAL;
+
+	if (!rdev->ops->add_virtual_intf)
+		return -ENOSYS;
+
+	rtnl_lock();
+	res = rdev->ops->add_virtual_intf(&rdev->wiphy, (char*)buf,
+					  NL80211_IFTYPE_UNSPECIFIED);
+	rtnl_unlock();
+
+	return res ? res : len;
+}
+
+static ssize_t _store_remove_iface(struct device *dev,
+				   struct device_attribute *attr,
+				   const char *buf, size_t len)
+{
+	struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+	int res, ifidx;
+	struct net_device *netdev;
+
+	if (len > IFNAMSIZ)
+		return -EINVAL;
+
+	if (!rdev->ops->del_virtual_intf)
+		return -ENOSYS;
+
+	netdev = dev_get_by_name(buf);
+	if (!netdev)
+		return -ENODEV;
+	ifidx = netdev->ifindex;
+	dev_put(netdev);
+
+	rtnl_lock();
+	res = rdev->ops->del_virtual_intf(&rdev->wiphy, ifidx);
+	rtnl_unlock();
+
+	return res ? res : len;
+}
+
+static struct device_attribute ieee80211_dev_attrs[] = {
+	__ATTR(index, S_IRUGO, _show_index, NULL),
+	__ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
+	__ATTR(add_iface, S_IWUGO, NULL, _store_add_iface),
+	__ATTR(remove_iface, S_IWUGO, NULL, _store_remove_iface),
+	{}
+};
+
+static void wiphy_dev_release(struct device *dev)
+{
+	struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+
+	cfg80211_dev_free(rdev);
+}
+
+static int wiphy_uevent(struct device *dev, char **envp,
+			int num_envp, char *buf, int size)
+{
+	/* TODO, we probably need stuff here */
+	return 0;
+}
+
+struct class ieee80211_class = {
+	.name = "ieee80211",
+	.owner = THIS_MODULE,
+	.dev_release = wiphy_dev_release,
+	.dev_attrs = ieee80211_dev_attrs,
+#ifdef CONFIG_HOTPLUG
+	.dev_uevent = wiphy_uevent,
+#endif
+};
+
+int wiphy_sysfs_init(void)
+{
+	return class_register(&ieee80211_class);
+}
+
+void wiphy_sysfs_exit(void)
+{
+	class_unregister(&ieee80211_class);
+}

package/mac80211/src/wireless/sysfs.h

@@ -0,0 +1,9 @@
+#ifndef __WIRELESS_SYSFS_H
+#define __WIRELESS_SYSFS_H
+
+extern int wiphy_sysfs_init(void);
+extern void wiphy_sysfs_exit(void);
+
+extern struct class ieee80211_class;
+
+#endif /* __WIRELESS_SYSFS_H */