Merge branch 'for-2.6.38' into for-2.6.39

36 files changed, 2024 insertions, 1089 deletions

diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig
index b447559f1db..0e65bce457d 100644
--- a/drivers/net/wireless/wl12xx/Kconfig
+++ b/drivers/net/wireless/wl12xx/Kconfig
@@ -1,46 +1,68 @@
-menuconfig WL12XX
+menuconfig WL12XX_MENU
 	tristate "TI wl12xx driver support"
 	depends on MAC80211 && EXPERIMENTAL
 	---help---
-	  This will enable TI wl12xx driver support. The drivers make
-	  use of the mac80211 stack.
+	  This will enable TI wl12xx driver support for the following chips:
+	  wl1271 and wl1273.
+	  The drivers make use of the mac80211 stack.
 
-config WL1271
-	tristate "TI wl1271 support"
-	depends on WL12XX && GENERIC_HARDIRQS
+config WL12XX
+	tristate "TI wl12xx support"
+	depends on WL12XX_MENU && GENERIC_HARDIRQS
 	depends on INET
 	select FW_LOADER
 	select CRC7
 	---help---
-	  This module adds support for wireless adapters based on the
-	  TI wl1271 chipset.
+	  This module adds support for wireless adapters based on TI wl1271 and
+	  TI wl1273 chipsets. This module does *not* include support for wl1251.
+	  For wl1251 support, use the separate homonymous driver instead.
 
-	  If you choose to build a module, it'll be called wl1271. Say N if
+	  If you choose to build a module, it will be called wl12xx. Say N if
 	  unsure.
 
-config WL1271_SPI
-	tristate "TI wl1271 SPI support"
-	depends on WL1271 && SPI_MASTER
+config WL12XX_HT
+        bool "TI wl12xx 802.11 HT support (EXPERIMENTAL)"
+        depends on WL12XX && EXPERIMENTAL
+        default n
+        ---help---
+          This will enable 802.11 HT support in the wl12xx module.
+
+	  That configuration is temporary due to the code incomplete and
+	  still in testing process.
+
+config WL12XX_SPI
+	tristate "TI wl12xx SPI support"
+	depends on WL12XX && SPI_MASTER
 	---help---
 	  This module adds support for the SPI interface of adapters using
-	  TI wl1271 chipset.  Select this if your platform is using
+	  TI wl12xx chipsets.  Select this if your platform is using
 	  the SPI bus.
 
-	  If you choose to build a module, it'll be called wl1251_spi.
+	  If you choose to build a module, it'll be called wl12xx_spi.
 	  Say N if unsure.
 
-config WL1271_SDIO
-	tristate "TI wl1271 SDIO support"
-	depends on WL1271 && MMC
+config WL12XX_SDIO
+	tristate "TI wl12xx SDIO support"
+	depends on WL12XX && MMC
 	---help---
 	  This module adds support for the SDIO interface of adapters using
-	  TI wl1271 chipset.  Select this if your platform is using
+	  TI wl12xx chipsets.  Select this if your platform is using
 	  the SDIO bus.
 
-	  If you choose to build a module, it'll be called
-	  wl1271_sdio. Say N if unsure.
+	  If you choose to build a module, it'll be called wl12xx_sdio.
+	  Say N if unsure.
+
+config WL12XX_SDIO_TEST
+	tristate "TI wl12xx SDIO testing support"
+	depends on WL12XX && MMC
+	default n
+	---help---
+	  This module adds support for the SDIO bus testing with the
+	  TI wl12xx chipsets.  You probably don't want this unless you are
+	  testing a new hardware platform.  Select this if you want to test the
+	  SDIO bus which is connected to the wl12xx chip.
 
 config WL12XX_PLATFORM_DATA
 	bool
-	depends on WL1271_SDIO != n
+	depends on WL12XX_SDIO != n || WL1251_SDIO != n
 	default y
diff --git a/drivers/net/wireless/wl12xx/Makefile b/drivers/net/wireless/wl12xx/Makefile
index 3a807444b2a..521c0414e52 100644
--- a/drivers/net/wireless/wl12xx/Makefile
+++ b/drivers/net/wireless/wl12xx/Makefile
@@ -1,12 +1,16 @@
-wl1271-objs		= wl1271_main.o  wl1271_cmd.o wl1271_io.o \
-			  wl1271_event.o wl1271_tx.o  wl1271_rx.o   \
-			  wl1271_ps.o    wl1271_acx.o wl1271_boot.o \
-			  wl1271_init.o  wl1271_debugfs.o wl1271_scan.o
-
-wl1271-$(CONFIG_NL80211_TESTMODE)	+= wl1271_testmode.o
-obj-$(CONFIG_WL1271)	+= wl1271.o
-obj-$(CONFIG_WL1271_SPI)	+= wl1271_spi.o
-obj-$(CONFIG_WL1271_SDIO)	+= wl1271_sdio.o
+wl12xx-objs		= main.o cmd.o io.o event.o tx.o rx.o ps.o acx.o \
+			  boot.o init.o debugfs.o scan.o
+
+wl12xx_spi-objs	= spi.o
+wl12xx_sdio-objs	= sdio.o
+wl12xx_sdio_test-objs = sdio_test.o
+
+wl12xx-$(CONFIG_NL80211_TESTMODE)	+= testmode.o
+obj-$(CONFIG_WL12XX)			+= wl12xx.o
+obj-$(CONFIG_WL12XX_SPI)		+= wl12xx_spi.o
+obj-$(CONFIG_WL12XX_SDIO)		+= wl12xx_sdio.o
+
+obj-$(CONFIG_WL12XX_SDIO_TEST)	+= wl12xx_sdio_test.o
 
 # small builtin driver bit
 obj-$(CONFIG_WL12XX_PLATFORM_DATA)	+= wl12xx_platform_data.o
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/acx.c
index 61899340526..cc4068d2b4a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/acx.c
@@ -21,7 +21,7 @@
  *
  */
 
-#include "wl1271_acx.h"
+#include "acx.h"
 
 #include <linux/module.h>
 #include <linux/platform_device.h>
@@ -29,10 +29,10 @@
 #include <linux/spi/spi.h>
 #include <linux/slab.h>
 
-#include "wl1271.h"
+#include "wl12xx.h"
 #include "wl12xx_80211.h"
-#include "wl1271_reg.h"
-#include "wl1271_ps.h"
+#include "reg.h"
+#include "ps.h"
 
 int wl1271_acx_wake_up_conditions(struct wl1271 *wl)
 {
@@ -862,7 +862,7 @@ out:
 	return ret;
 }
 
-int wl1271_acx_frag_threshold(struct wl1271 *wl)
+int wl1271_acx_frag_threshold(struct wl1271 *wl, u16 frag_threshold)
 {
 	struct acx_frag_threshold *acx;
 	int ret = 0;
@@ -876,7 +876,7 @@ int wl1271_acx_frag_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->frag_threshold = cpu_to_le16(wl->conf.tx.frag_threshold);
+	acx->frag_threshold = cpu_to_le16(frag_threshold);
 	ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
 	if (ret < 0) {
 		wl1271_warning("Setting of frag threshold failed: %d", ret);
@@ -1041,7 +1041,7 @@ out:
 	return ret;
 }
 
-int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address)
+int wl1271_acx_arp_ip_filter(struct wl1271 *wl, u8 enable, __be32 address)
 {
 	struct wl1271_acx_arp_filter *acx;
 	int ret;
@@ -1057,7 +1057,7 @@ int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address)
 	acx->version = ACX_IPV4_VERSION;
 	acx->enable = enable;
 
-	if (enable == true)
+	if (enable)
 		memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);
 
 	ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER,
@@ -1226,6 +1226,89 @@ out:
 	return ret;
 }
 
+int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
+				    struct ieee80211_sta_ht_cap *ht_cap,
+				    bool allow_ht_operation)
+{
+	struct wl1271_acx_ht_capabilities *acx;
+	u8 mac_address[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+	int ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx ht capabilities setting");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* Allow HT Operation ? */
+	if (allow_ht_operation) {
+		acx->ht_capabilites =
+			WL1271_ACX_FW_CAP_HT_OPERATION;
+		if (ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD)
+			acx->ht_capabilites |=
+				WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT;
+		if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
+			acx->ht_capabilites |=
+				WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS;
+		if (ht_cap->cap & IEEE80211_HT_CAP_LSIG_TXOP_PROT)
+			acx->ht_capabilites |=
+				WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION;
+
+		/* get data from A-MPDU parameters field */
+		acx->ampdu_max_length = ht_cap->ampdu_factor;
+		acx->ampdu_min_spacing = ht_cap->ampdu_density;
+
+		memcpy(acx->mac_address, mac_address, ETH_ALEN);
+	} else { /* HT operations are not allowed */
+		acx->ht_capabilites = 0;
+	}
+
+	ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("acx ht capabilities setting failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+int wl1271_acx_set_ht_information(struct wl1271 *wl,
+				   u16 ht_operation_mode)
+{
+	struct wl1271_acx_ht_information *acx;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx ht information setting");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->ht_protection =
+		(u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
+	acx->rifs_mode = 0;
+	acx->gf_protection = 0;
+	acx->ht_tx_burst_limit = 0;
+	acx->dual_cts_protection = 0;
+
+	ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
+
+	if (ret < 0) {
+		wl1271_warning("acx ht information setting failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
 int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
 {
 	struct wl1271_acx_fw_tsf_information *tsf_info;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/acx.h
index ebb341d36e8..7bd8e4db4a7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/acx.h
@@ -22,11 +22,11 @@
  *
  */
 
-#ifndef __WL1271_ACX_H__
-#define __WL1271_ACX_H__
+#ifndef __ACX_H__
+#define __ACX_H__
 
-#include "wl1271.h"
-#include "wl1271_cmd.h"
+#include "wl12xx.h"
+#include "cmd.h"
 
 /*************************************************************************
 
@@ -47,9 +47,9 @@
 #define WL1271_ACX_INTR_HW_AVAILABLE       BIT(5)
 /* The MISC bit is used for aggregation of RX, TxComplete and TX rate update */
 #define WL1271_ACX_INTR_DATA               BIT(6)
-/* Trace meassge on MBOX #A */
+/* Trace message on MBOX #A */
 #define WL1271_ACX_INTR_TRACE_A            BIT(7)
-/* Trace meassge on MBOX #B */
+/* Trace message on MBOX #B */
 #define WL1271_ACX_INTR_TRACE_B            BIT(8)
 
 #define WL1271_ACX_INTR_ALL		   0xFFFFFFFF
@@ -61,7 +61,8 @@
 					    WL1271_ACX_INTR_HW_AVAILABLE  | \
 					    WL1271_ACX_INTR_DATA)
 
-#define WL1271_INTR_MASK                   (WL1271_ACX_INTR_EVENT_A      | \
+#define WL1271_INTR_MASK                   (WL1271_ACX_INTR_WATCHDOG     | \
+					    WL1271_ACX_INTR_EVENT_A      | \
 					    WL1271_ACX_INTR_EVENT_B      | \
 					    WL1271_ACX_INTR_HW_AVAILABLE | \
 					    WL1271_ACX_INTR_DATA)
@@ -867,10 +868,15 @@ struct wl1271_acx_bet_enable {
 #define ACX_IPV4_VERSION 4
 #define ACX_IPV6_VERSION 6
 #define ACX_IPV4_ADDR_SIZE 4
+
+/* bitmap of enabled arp_filter features */
+#define ACX_ARP_FILTER_ARP_FILTERING	BIT(0)
+#define ACX_ARP_FILTER_AUTO_ARP		BIT(1)
+
 struct wl1271_acx_arp_filter {
 	struct acx_header header;
 	u8 version;         /* ACX_IPV4_VERSION, ACX_IPV6_VERSION */
-	u8 enable;          /* 1 to enable ARP filtering, 0 to disable */
+	u8 enable;          /* bitmap of enabled ARP filtering features */
 	u8 padding[2];
 	u8 address[16];     /* The configured device IP address - all ARP
 			       requests directed to this IP address will pass
@@ -964,6 +970,87 @@ struct wl1271_acx_rssi_snr_avg_weights {
 	u8 snr_data;
 };
 
+/*
+ * ACX_PEER_HT_CAP
+ * Configure HT capabilities - declare the capabilities of the peer
+ * we are connected to.
+ */
+struct wl1271_acx_ht_capabilities {
+	struct acx_header header;
+
+	/*
+	 * bit 0 - Allow HT Operation
+	 * bit 1 - Allow Greenfield format in TX
+	 * bit 2 - Allow Short GI in TX
+	 * bit 3 - Allow L-SIG TXOP Protection in TX
+	 * bit 4 - Allow HT Control fields in TX.
+	 *         Note, driver will still leave space for HT control in packets
+	 *         regardless of the value of this field. FW will be responsible
+	 *         to drop the HT field from any frame when this Bit set to 0.
+	 * bit 5 - Allow RD initiation in TXOP. FW is allowed to initate RD.
+	 *         Exact policy setting for this feature is TBD.
+	 *         Note, this bit can only be set to 1 if bit 3 is set to 1.
+	 */
+	__le32 ht_capabilites;
+
+	/*
+	 * Indicates to which peer these capabilities apply.
+	 * For infrastructure use ff:ff:ff:ff:ff:ff that indicates relevance
+	 * for all peers.
+	 * Only valid for IBSS/DLS operation.
+	 */
+	u8 mac_address[ETH_ALEN];
+
+	/*
+	 * This the maximum A-MPDU length supported by the AP. The FW may not
+	 * exceed this length when sending A-MPDUs
+	 */
+	u8 ampdu_max_length;
+
+	/* This is the minimal spacing required when sending A-MPDUs to the AP*/
+	u8 ampdu_min_spacing;
+} __packed;
+
+/* HT Capabilites Fw Bit Mask Mapping */
+#define WL1271_ACX_FW_CAP_HT_OPERATION                 BIT(0)
+#define WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT      BIT(1)
+#define WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS   BIT(2)
+#define WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION         BIT(3)
+#define WL1271_ACX_FW_CAP_HT_CONTROL_FIELDS            BIT(4)
+#define WL1271_ACX_FW_CAP_RD_INITIATION                BIT(5)
+
+
+/*
+ * ACX_HT_BSS_OPERATION
+ * Configure HT capabilities - AP rules for behavior in the BSS.
+ */
+struct wl1271_acx_ht_information {
+	struct acx_header header;
+
+	/* Values: 0 - RIFS not allowed, 1 - RIFS allowed */
+	u8 rifs_mode;
+
+	/* Values: 0 - 3 like in spec */
+	u8 ht_protection;
+
+	/* Values: 0 - GF protection not required, 1 - GF protection required */
+	u8 gf_protection;
+
+	/*Values: 0 - TX Burst limit not required, 1 - TX Burst Limit required*/
+	u8 ht_tx_burst_limit;
+
+	/*
+	 * Values: 0 - Dual CTS protection not required,
+	 *         1 - Dual CTS Protection required
+	 * Note: When this value is set to 1 FW will protect all TXOP with RTS
+	 * frame and will not use CTS-to-self regardless of the value of the
+	 * ACX_CTS_PROTECTION information element
+	 */
+	u8 dual_cts_protection;
+
+	u8 padding[3];
+} __packed;
+
 struct wl1271_acx_fw_tsf_information {
 	struct acx_header header;
 
@@ -1079,20 +1166,25 @@ int wl1271_acx_ac_cfg(struct wl1271 *wl, u8 ac, u8 cw_min, u16 cw_max,
 int wl1271_acx_tid_cfg(struct wl1271 *wl, u8 queue_id, u8 channel_type,
 		       u8 tsid, u8 ps_scheme, u8 ack_policy,
 		       u32 apsd_conf0, u32 apsd_conf1);
-int wl1271_acx_frag_threshold(struct wl1271 *wl);
+int wl1271_acx_frag_threshold(struct wl1271 *wl, u16 frag_threshold);
 int wl1271_acx_tx_config_options(struct wl1271 *wl);
 int wl1271_acx_mem_cfg(struct wl1271 *wl);
 int wl1271_acx_init_mem_config(struct wl1271 *wl);
 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl);
 int wl1271_acx_smart_reflex(struct wl1271 *wl);
 int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable);
-int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address);
+int wl1271_acx_arp_ip_filter(struct wl1271 *wl, u8 enable, __be32 address);
 int wl1271_acx_pm_config(struct wl1271 *wl);
 int wl1271_acx_keep_alive_mode(struct wl1271 *wl, bool enable);
 int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid);
 int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable,
 				s16 thold, u8 hyst);
 int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl);
+int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
+				    struct ieee80211_sta_ht_cap *ht_cap,
+				    bool allow_ht_operation);
+int wl1271_acx_set_ht_information(struct wl1271 *wl,
+				   u16 ht_operation_mode);
 int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
 
 #endif /* __WL1271_ACX_H__ */
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/boot.c
index b9102124209..4df04f84d7f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/boot.c
@@ -21,14 +21,13 @@
  *
  */
 
-#include <linux/gpio.h>
 #include <linux/slab.h>
 
-#include "wl1271_acx.h"
-#include "wl1271_reg.h"
-#include "wl1271_boot.h"
-#include "wl1271_io.h"
-#include "wl1271_event.h"
+#include "acx.h"
+#include "reg.h"
+#include "boot.h"
+#include "io.h"
+#include "event.h"
 
 static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
 	[PART_DOWN] = {
@@ -467,24 +466,24 @@ static void wl1271_boot_hw_version(struct wl1271 *wl)
 	wl->hw_pg_ver = (s8)fuse;
 }
 
-int wl1271_boot(struct wl1271 *wl)
+/* uploads NVS and firmware */
+int wl1271_load_firmware(struct wl1271 *wl)
 {
 	int ret = 0;
 	u32 tmp, clk, pause;
-	int ref_clock = wl->ref_clock;
 
 	wl1271_boot_hw_version(wl);
 
-	if (ref_clock == 0 || ref_clock == 2 || ref_clock == 4)
+	if (wl->ref_clock == 0 || wl->ref_clock == 2 || wl->ref_clock == 4)
 		/* ref clk: 19.2/38.4/38.4-XTAL */
 		clk = 0x3;
-	else if (ref_clock == 1 || ref_clock == 3)
+	else if (wl->ref_clock == 1 || wl->ref_clock == 3)
 		/* ref clk: 26/52 */
 		clk = 0x5;
 	else
 		return -EINVAL;
 
-	if (ref_clock != 0) {
+	if (wl->ref_clock != 0) {
 		u16 val;
 		/* Set clock type (open drain) */
 		val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE);
@@ -529,8 +528,7 @@ int wl1271_boot(struct wl1271 *wl)
 
 	wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
 
-	/* 2 */
-	clk |= (ref_clock << 1) << 4;
+	clk |= (wl->ref_clock << 1) << 4;
 	wl1271_write32(wl, DRPW_SCRATCH_START, clk);
 
 	wl1271_set_partition(wl, &part_table[PART_WORK]);
@@ -574,6 +572,20 @@ int wl1271_boot(struct wl1271 *wl)
 	if (ret < 0)
 		goto out;
 
+out:
+	return ret;
+}
+EXPORT_SYMBOL_GPL(wl1271_load_firmware);
+
+int wl1271_boot(struct wl1271 *wl)
+{
+	int ret;
+
+	/* upload NVS and firmware */
+	ret = wl1271_load_firmware(wl);
+	if (ret)
+		return ret;
+
 	/* 10.5 start firmware */
 	ret = wl1271_boot_run_firmware(wl);
 	if (ret < 0)
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.h b/drivers/net/wireless/wl12xx/boot.h
index f73b0b15a28..d67dcffa31e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.h
+++ b/drivers/net/wireless/wl12xx/boot.h
@@ -24,9 +24,10 @@
 #ifndef __BOOT_H__
 #define __BOOT_H__
 
-#include "wl1271.h"
+#include "wl12xx.h"
 
 int wl1271_boot(struct wl1271 *wl);
+int wl1271_load_firmware(struct wl1271 *wl);
 
 #define WL1271_NO_SUBBANDS 8
 #define WL1271_NO_POWER_LEVELS 4
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/cmd.c
index 5d3e8485ea4..0106628aa5a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -29,13 +29,13 @@
 #include <linux/ieee80211.h>
 #include <linux/slab.h>
 
-#include "wl1271.h"
-#include "wl1271_reg.h"
-#include "wl1271_io.h"
-#include "wl1271_acx.h"
+#include "wl12xx.h"
+#include "reg.h"
+#include "io.h"
+#include "acx.h"
 #include "wl12xx_80211.h"
-#include "wl1271_cmd.h"
-#include "wl1271_event.h"
+#include "cmd.h"
+#include "event.h"
 
 #define WL1271_CMD_FAST_POLL_COUNT       50
 
@@ -611,6 +611,75 @@ out:
 	return ret;
 }
 
+struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
+					      struct sk_buff *skb)
+{
+	int ret;
+
+	if (!skb)
+		skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
+	if (!skb)
+		goto out;
+
+	wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
+
+	if (wl->band == IEEE80211_BAND_2GHZ)
+		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
+					      skb->data, skb->len, 0,
+					      wl->conf.tx.basic_rate);
+	else
+		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
+					      skb->data, skb->len, 0,
+					      wl->conf.tx.basic_rate_5);
+
+	if (ret < 0)
+		wl1271_error("Unable to set ap probe request template.");
+
+out:
+	return skb;
+}
+
+int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
+{
+	int ret;
+	struct wl12xx_arp_rsp_template tmpl;
+	struct ieee80211_hdr_3addr *hdr;
+	struct arphdr *arp_hdr;
+
+	memset(&tmpl, 0, sizeof(tmpl));
+
+	/* mac80211 header */
+	hdr = &tmpl.hdr;
+	hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+					 IEEE80211_STYPE_DATA |
+					 IEEE80211_FCTL_TODS);
+	memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
+	memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
+	memset(hdr->addr3, 0xff, ETH_ALEN);
+
+	/* llc layer */
+	memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
+	tmpl.llc_type = htons(ETH_P_ARP);
+
+	/* arp header */
+	arp_hdr = &tmpl.arp_hdr;
+	arp_hdr->ar_hrd = htons(ARPHRD_ETHER);
+	arp_hdr->ar_pro = htons(ETH_P_IP);
+	arp_hdr->ar_hln = ETH_ALEN;
+	arp_hdr->ar_pln = 4;
+	arp_hdr->ar_op = htons(ARPOP_REPLY);
+
+	/* arp payload */
+	memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
+	tmpl.sender_ip = ip_addr;
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
+				      &tmpl, sizeof(tmpl), 0,
+				      wl->basic_rate);
+
+	return ret;
+}
+
 int wl1271_build_qos_null_data(struct wl1271 *wl)
 {
 	struct ieee80211_qos_hdr template;
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/cmd.h
index a0caf4fc37b..2a1d9db7ceb 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/cmd.h
@@ -22,10 +22,10 @@
  *
  */
 
-#ifndef __WL1271_CMD_H__
-#define __WL1271_CMD_H__
+#ifndef __CMD_H__
+#define __CMD_H__
 
-#include "wl1271.h"
+#include "wl12xx.h"
 
 struct acx_header;
 
@@ -49,6 +49,9 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
 int wl1271_cmd_build_probe_req(struct wl1271 *wl,
 			       const u8 *ssid, size_t ssid_len,
 			       const u8 *ie, size_t ie_len, u8 band);
+struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
+					      struct sk_buff *skb);
+int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr);
 int wl1271_build_qos_null_data(struct wl1271 *wl);
 int wl1271_cmd_build_klv_null_data(struct wl1271 *wl);
 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
@@ -122,6 +125,7 @@ enum cmd_templ {
 	CMD_TEMPL_CTS,           /*
 				  * For CTS-to-self (FastCTS) mechanism
 				  * for BT/WLAN coexistence (SoftGemini). */
+	CMD_TEMPL_ARP_RSP,
 	CMD_TEMPL_MAX = 0xff
 };
 
@@ -327,9 +331,6 @@ enum wl1271_channel_tune_bands {
 
 #define WL1271_PD_REFERENCE_POINT_BAND_B_G  0
 
-#define TEST_CMD_P2G_CAL                    0x02
-#define TEST_CMD_CHANNEL_TUNE               0x0d
-#define TEST_CMD_UPDATE_PD_REFERENCE_POINT  0x1d
 #define TEST_CMD_INI_FILE_RADIO_PARAM       0x19
 #define TEST_CMD_INI_FILE_GENERAL_PARAM     0x1E
 #define TEST_CMD_INI_FILE_RF_EXTENDED_PARAM 0x26
@@ -375,51 +376,6 @@ struct wl1271_ext_radio_parms_cmd {
 	u8 padding[3];
 } __packed;
 
-struct wl1271_cmd_cal_channel_tune {
-	struct wl1271_cmd_header header;
-
-	struct wl1271_cmd_test_header test;
-
-	u8 band;
-	u8 channel;
-
-	__le16 radio_status;
-} __packed;
-
-struct wl1271_cmd_cal_update_ref_point {
-	struct wl1271_cmd_header header;
-
-	struct wl1271_cmd_test_header test;
-
-	__le32 ref_power;
-	__le32 ref_detector;
-	u8  sub_band;
-	u8  padding[3];
-} __packed;
-
-#define MAX_TLV_LENGTH         400
-#define	MAX_NVS_VERSION_LENGTH 12
-
-#define WL1271_CAL_P2G_BAND_B_G BIT(0)
-
-struct wl1271_cmd_cal_p2g {
-	struct wl1271_cmd_header header;
-
-	struct wl1271_cmd_test_header test;
-
-	__le16 len;
-	u8  buf[MAX_TLV_LENGTH];
-	u8  type;
-	u8  padding;
-
-	__le16 radio_status;
-	u8  nvs_version[MAX_NVS_VERSION_LENGTH];
-
-	u8  sub_band_mask;
-	u8  padding2;
-} __packed;
-
-
 /*
  * There are three types of disconnections:
  *
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/conf.h
index 5f78a6cb143..a16b3616e43 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/conf.h
@@ -21,8 +21,8 @@
  *
  */
 
-#ifndef __WL1271_CONF_H__
-#define __WL1271_CONF_H__
+#ifndef __CONF_H__
+#define __CONF_H__
 
 enum {
 	CONF_HW_BIT_RATE_1MBPS   = BIT(0),
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c
new file mode 100644
index 00000000000..ec607776015
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/debugfs.c
@@ -0,0 +1,480 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include "debugfs.h"
+
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+
+#include "wl12xx.h"
+#include "acx.h"
+#include "ps.h"
+#include "io.h"
+
+/* ms */
+#define WL1271_DEBUGFS_STATS_LIFETIME 1000
+
+/* debugfs macros idea from mac80211 */
+#define DEBUGFS_FORMAT_BUFFER_SIZE 100
+static int wl1271_format_buffer(char __user *userbuf, size_t count,
+				    loff_t *ppos, char *fmt, ...)
+{
+	va_list args;
+	char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
+	int res;
+
+	va_start(args, fmt);
+	res = vscnprintf(buf, sizeof(buf), fmt, args);
+	va_end(args);
+
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+
+#define DEBUGFS_READONLY_FILE(name, fmt, value...)			\
+static ssize_t name## _read(struct file *file, char __user *userbuf,	\
+			    size_t count, loff_t *ppos)			\
+{									\
+	struct wl1271 *wl = file->private_data;				\
+	return wl1271_format_buffer(userbuf, count, ppos,		\
+				    fmt "\n", ##value);			\
+}									\
+									\
+static const struct file_operations name## _ops = {			\
+	.read = name## _read,						\
+	.open = wl1271_open_file_generic,				\
+	.llseek	= generic_file_llseek,					\
+};
+
+#define DEBUGFS_ADD(name, parent)					\
+	entry = debugfs_create_file(#name, 0400, parent,		\
+				    wl, &name## _ops);			\
+	if (!entry || IS_ERR(entry))					\
+		goto err;						\
+
+#define DEBUGFS_FWSTATS_FILE(sub, name, fmt)				\
+static ssize_t sub## _ ##name## _read(struct file *file,		\
+				      char __user *userbuf,		\
+				      size_t count, loff_t *ppos)	\
+{									\
+	struct wl1271 *wl = file->private_data;				\
+									\
+	wl1271_debugfs_update_stats(wl);				\
+									\
+	return wl1271_format_buffer(userbuf, count, ppos, fmt "\n",	\
+				    wl->stats.fw_stats->sub.name);	\
+}									\
+									\
+static const struct file_operations sub## _ ##name## _ops = {		\
+	.read = sub## _ ##name## _read,					\
+	.open = wl1271_open_file_generic,				\
+	.llseek	= generic_file_llseek,					\
+};
+
+#define DEBUGFS_FWSTATS_ADD(sub, name)				\
+	DEBUGFS_ADD(sub## _ ##name, stats)
+
+static void wl1271_debugfs_update_stats(struct wl1271 *wl)
+{
+	int ret;
+
+	mutex_lock(&wl->mutex);
+
+	ret = wl1271_ps_elp_wakeup(wl, false);
+	if (ret < 0)
+		goto out;
+
+	if (wl->state == WL1271_STATE_ON &&
+	    time_after(jiffies, wl->stats.fw_stats_update +
+		       msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
+		wl1271_acx_statistics(wl, wl->stats.fw_stats);
+		wl->stats.fw_stats_update = jiffies;
+	}
+
+	wl1271_ps_elp_sleep(wl);
+
+out:
+	mutex_unlock(&wl->mutex);
+}
+
+static int wl1271_open_file_generic(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+	return 0;
+}
+
+DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");
+
+DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
+DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u");
+DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u");
+DEBUGFS_FWSTATS_FILE(rx, dropped, "%u");
+DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u");
+DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u");
+DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u");
+DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u");
+
+DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u");
+DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u");
+DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u");
+DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u");
+
+DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u");
+DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u");
+DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u");
+DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u");
+DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u");
+DEBUGFS_FWSTATS_FILE(isr, irqs, "%u");
+DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u");
+DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u");
+DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u");
+DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u");
+DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u");
+DEBUGFS_FWSTATS_FILE(isr, commands, "%u");
+DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u");
+DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u");
+DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u");
+DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u");
+DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u");
+DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u");
+
+DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u");
+DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u");
+/* skipping wep.reserved */
+DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u");
+DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u");
+DEBUGFS_FWSTATS_FILE(wep, packets, "%u");
+DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u");
+
+DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u");
+DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u");
+/* skipping cont_miss_bcns_spread for now */
+DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u");
+
+DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u");
+DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u");
+
+DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u");
+DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u");
+DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u");
+DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u");
+DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u");
+DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u");
+
+DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u");
+DEBUGFS_FWSTATS_FILE(event, calibration, "%u");
+DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u");
+DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u");
+DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u");
+DEBUGFS_FWSTATS_FILE(event, oom_late, "%u");
+DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u");
+DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u");
+
+DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u");
+DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u");
+DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u");
+DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u");
+DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u");
+DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u");
+DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u");
+
+DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u");
+DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u");
+DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u");
+DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u");
+DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
+
+DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
+DEBUGFS_READONLY_FILE(excessive_retries, "%u",
+		      wl->stats.excessive_retries);
+
+static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
+				 size_t count, loff_t *ppos)
+{
+	struct wl1271 *wl = file->private_data;
+	u32 queue_len;
+	char buf[20];
+	int res;
+
+	queue_len = wl->tx_queue_count;
+
+	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+
+static const struct file_operations tx_queue_len_ops = {
+	.read = tx_queue_len_read,
+	.open = wl1271_open_file_generic,
+	.llseek = default_llseek,
+};
+
+static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
+			  size_t count, loff_t *ppos)
+{
+	struct wl1271 *wl = file->private_data;
+	bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
+
+	int res;
+	char buf[10];
+
+	res = scnprintf(buf, sizeof(buf), "%d\n", state);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static ssize_t gpio_power_write(struct file *file,
+			   const char __user *user_buf,
+			   size_t count, loff_t *ppos)
+{
+	struct wl1271 *wl = file->private_data;
+	char buf[10];
+	size_t len;
+	unsigned long value;
+	int ret;
+
+	mutex_lock(&wl->mutex);
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len)) {
+		ret = -EFAULT;
+		goto out;
+	}
+	buf[len] = '\0';
+
+	ret = strict_strtoul(buf, 0, &value);
+	if (ret < 0) {
+		wl1271_warning("illegal value in gpio_power");
+		goto out;
+	}
+
+	if (value)
+		wl1271_power_on(wl);
+	else
+		wl1271_power_off(wl);
+
+out:
+	mutex_unlock(&wl->mutex);
+	return count;
+}
+
+static const struct file_operations gpio_power_ops = {
+	.read = gpio_power_read,
+	.write = gpio_power_write,
+	.open = wl1271_open_file_generic,
+	.llseek = default_llseek,
+};
+
+static int wl1271_debugfs_add_files(struct wl1271 *wl)
+{
+	int ret = 0;
+	struct dentry *entry, *stats;
+
+	stats = debugfs_create_dir("fw-statistics", wl->rootdir);
+	if (!stats || IS_ERR(stats)) {
+		entry = stats;
+		goto err;
+	}
+
+	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
+
+	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
+	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
+	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
+	DEBUGFS_FWSTATS_ADD(rx, dropped);
+	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
+	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
+	DEBUGFS_FWSTATS_ADD(rx, path_reset);
+	DEBUGFS_FWSTATS_ADD(rx, reset_counter);
+
+	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
+	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
+	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
+	DEBUGFS_FWSTATS_ADD(dma, tx_errors);
+
+	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
+	DEBUGFS_FWSTATS_ADD(isr, fiqs);
+	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
+	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
+	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
+	DEBUGFS_FWSTATS_ADD(isr, irqs);
+	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
+	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
+	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
+	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
+	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
+	DEBUGFS_FWSTATS_ADD(isr, commands);
+	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
+	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
+	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
+	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
+	DEBUGFS_FWSTATS_ADD(isr, wakeups);
+	DEBUGFS_FWSTATS_ADD(isr, low_rssi);
+
+	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
+	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
+	/* skipping wep.reserved */
+	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
+	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
+	DEBUGFS_FWSTATS_ADD(wep, packets);
+	DEBUGFS_FWSTATS_ADD(wep, interrupt);
+
+	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
+	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
+	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
+	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
+	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
+	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
+	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
+	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
+	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
+	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
+	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
+	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
+	/* skipping cont_miss_bcns_spread for now */
+	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
+
+	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
+	DEBUGFS_FWSTATS_ADD(mic, calc_failure);
+
+	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
+	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
+	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
+	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
+	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
+	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
+
+	DEBUGFS_FWSTATS_ADD(event, heart_beat);
+	DEBUGFS_FWSTATS_ADD(event, calibration);
+	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
+	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
+	DEBUGFS_FWSTATS_ADD(event, rx_pool);
+	DEBUGFS_FWSTATS_ADD(event, oom_late);
+	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
+	DEBUGFS_FWSTATS_ADD(event, tx_stuck);
+
+	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
+	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
+	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
+	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
+	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
+	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
+	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
+
+	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
+	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
+	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
+	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
+	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
+
+	DEBUGFS_ADD(tx_queue_len, wl->rootdir);
+	DEBUGFS_ADD(retry_count, wl->rootdir);
+	DEBUGFS_ADD(excessive_retries, wl->rootdir);
+
+	DEBUGFS_ADD(gpio_power, wl->rootdir);
+
+	entry = debugfs_create_x32("debug_level", 0600, wl->rootdir,
+				   &wl12xx_debug_level);
+	if (!entry || IS_ERR(entry))
+		goto err;
+
+	return 0;
+
+err:
+	if (IS_ERR(entry))
+		ret = PTR_ERR(entry);
+	else
+		ret = -ENOMEM;
+
+	return ret;
+}
+
+void wl1271_debugfs_reset(struct wl1271 *wl)
+{
+	if (!wl->rootdir)
+		return;
+
+	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
+	wl->stats.retry_count = 0;
+	wl->stats.excessive_retries = 0;
+}
+
+int wl1271_debugfs_init(struct wl1271 *wl)
+{
+	int ret;
+
+	wl->rootdir = debugfs_create_dir(KBUILD_MODNAME,
+					 wl->hw->wiphy->debugfsdir);
+
+	if (IS_ERR(wl->rootdir)) {
+		ret = PTR_ERR(wl->rootdir);
+		wl->rootdir = NULL;
+		goto err;
+	}
+
+	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
+				      GFP_KERNEL);
+
+	if (!wl->stats.fw_stats) {
+		ret = -ENOMEM;
+		goto err_fw;
+	}
+
+	wl->stats.fw_stats_update = jiffies;
+
+	ret = wl1271_debugfs_add_files(wl);
+
+	if (ret < 0)
+		goto err_file;
+
+	return 0;
+
+err_file:
+	kfree(wl->stats.fw_stats);
+	wl->stats.fw_stats = NULL;
+
+err_fw:
+	debugfs_remove_recursive(wl->rootdir);
+	wl->rootdir = NULL;
+
+err:
+	return ret;
+}
+
+void wl1271_debugfs_exit(struct wl1271 *wl)
+{
+	kfree(wl->stats.fw_stats);
+	wl->stats.fw_stats = NULL;
+
+	debugfs_remove_recursive(wl->rootdir);
+	wl->rootdir = NULL;
+
+}
diff --git a/drivers/net/wireless/wl12xx/wl1271_debugfs.h b/drivers/net/wireless/wl12xx/debugfs.h
index 00a45b2669a..254c5b292cf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_debugfs.h
+++ b/drivers/net/wireless/wl12xx/debugfs.h
@@ -21,10 +21,10 @@
  *
  */
 
-#ifndef WL1271_DEBUGFS_H
-#define WL1271_DEBUGFS_H
+#ifndef __DEBUGFS_H__
+#define __DEBUGFS_H__
 
-#include "wl1271.h"
+#include "wl12xx.h"
 
 int wl1271_debugfs_init(struct wl1271 *wl);
 void wl1271_debugfs_exit(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/event.c
index 7b3f5038296..f9146f5242f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -21,12 +21,12 @@
  *
  */
 
-#include "wl1271.h"
-#include "wl1271_reg.h"
-#include "wl1271_io.h"
-#include "wl1271_event.h"
-#include "wl1271_ps.h"
-#include "wl1271_scan.h"
+#include "wl12xx.h"
+#include "reg.h"
+#include "io.h"
+#include "event.h"
+#include "ps.h"
+#include "scan.h"
 #include "wl12xx_80211.h"
 
 void wl1271_pspoll_work(struct work_struct *work)
@@ -134,8 +134,6 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
 
 		/* go to extremely low power mode */
 		wl1271_ps_elp_sleep(wl);
-		if (ret < 0)
-			break;
 		break;
 	case EVENT_EXIT_POWER_SAVE_FAIL:
 		wl1271_debug(DEBUG_PSM, "PSM exit failed");
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/event.h
index e4751667cf5..6cce0143adb 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.h
+++ b/drivers/net/wireless/wl12xx/event.h
@@ -22,8 +22,8 @@
  *
  */
 
-#ifndef __WL1271_EVENT_H__
-#define __WL1271_EVENT_H__
+#ifndef __EVENT_H__
+#define __EVENT_H__
 
 /*
  * Mbox events
diff --git a/drivers/net/wireless/wl12xx/wl1271_ini.h b/drivers/net/wireless/wl12xx/ini.h
index 2313047d401..c330a2583df 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ini.h
+++ b/drivers/net/wireless/wl12xx/ini.h
@@ -21,8 +21,8 @@
  *
  */
 
-#ifndef __WL1271_INI_H__
-#define __WL1271_INI_H__
+#ifndef __INI_H__
+#define __INI_H__
 
 #define WL1271_INI_MAX_SMART_REFLEX_PARAM 16
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/init.c
index 8044bba70ee..785a5304bfc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -25,11 +25,11 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 
-#include "wl1271_init.h"
+#include "init.h"
 #include "wl12xx_80211.h"
-#include "wl1271_acx.h"
-#include "wl1271_cmd.h"
-#include "wl1271_reg.h"
+#include "acx.h"
+#include "cmd.h"
+#include "reg.h"
 
 static int wl1271_init_hwenc_config(struct wl1271 *wl)
 {
@@ -53,18 +53,16 @@ static int wl1271_init_hwenc_config(struct wl1271 *wl)
 int wl1271_init_templates_config(struct wl1271 *wl)
 {
 	int ret, i;
-	size_t size;
 
 	/* send empty templates for fw memory reservation */
 	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
-				      sizeof(struct wl12xx_probe_req_template),
+				      WL1271_CMD_TEMPL_MAX_SIZE,
 				      0, WL1271_RATE_AUTOMATIC);
 	if (ret < 0)
 		return ret;
 
-	size = sizeof(struct wl12xx_probe_req_template);
 	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
-				      NULL, size, 0,
+				      NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
 				      WL1271_RATE_AUTOMATIC);
 	if (ret < 0)
 		return ret;
@@ -102,6 +100,13 @@ int wl1271_init_templates_config(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
+				      sizeof
+				      (struct wl12xx_arp_rsp_template),
+				      0, WL1271_RATE_AUTOMATIC);
+	if (ret < 0)
+		return ret;
+
 	for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
 					      WL1271_CMD_TEMPL_MAX_SIZE, i,
@@ -290,7 +295,7 @@ int wl1271_hw_init(struct wl1271 *wl)
 		goto out_free_memmap;
 
 	/* Default fragmentation threshold */
-	ret = wl1271_acx_frag_threshold(wl);
+	ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
 	if (ret < 0)
 		goto out_free_memmap;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.h b/drivers/net/wireless/wl12xx/init.h
index bc26f8c53b9..7762421f860 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.h
+++ b/drivers/net/wireless/wl12xx/init.h
@@ -21,10 +21,10 @@
  *
  */
 
-#ifndef __WL1271_INIT_H__
-#define __WL1271_INIT_H__
+#ifndef __INIT_H__
+#define __INIT_H__
 
-#include "wl1271.h"
+#include "wl12xx.h"
 
 int wl1271_hw_init_power_auth(struct wl1271 *wl);
 int wl1271_init_templates_config(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_io.c b/drivers/net/wireless/wl12xx/io.c
index c8759acef13..d557f73e7c1 100644
--- a/drivers/net/wireless/wl12xx/wl1271_io.c
+++ b/drivers/net/wireless/wl12xx/io.c
@@ -26,9 +26,9 @@
 #include <linux/crc7.h>
 #include <linux/spi/spi.h>
 
-#include "wl1271.h"
+#include "wl12xx.h"
 #include "wl12xx_80211.h"
-#include "wl1271_io.h"
+#include "io.h"
 
 #define OCP_CMD_LOOP  32
 
@@ -113,6 +113,7 @@ int wl1271_set_partition(struct wl1271 *wl,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(wl1271_set_partition);
 
 void wl1271_io_reset(struct wl1271 *wl)
 {
diff --git a/drivers/net/wireless/wl12xx/wl1271_io.h b/drivers/net/wireless/wl12xx/io.h
index c1f92e65ded..844b32b170b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_io.h
+++ b/drivers/net/wireless/wl12xx/io.h
@@ -22,10 +22,10 @@
  *
  */
 
-#ifndef __WL1271_IO_H__
-#define __WL1271_IO_H__
+#ifndef __IO_H__
+#define __IO_H__
 
-#include "wl1271_reg.h"
+#include "reg.h"
 
 #define HW_ACCESS_MEMORY_MAX_RANGE	0x1FFC0
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/main.c
index 48a4b9961ae..062247ef3ad 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -31,20 +31,20 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
-#include "wl1271.h"
+#include "wl12xx.h"
 #include "wl12xx_80211.h"
-#include "wl1271_reg.h"
-#include "wl1271_io.h"
-#include "wl1271_event.h"
-#include "wl1271_tx.h"
-#include "wl1271_rx.h"
-#include "wl1271_ps.h"
-#include "wl1271_init.h"
-#include "wl1271_debugfs.h"
-#include "wl1271_cmd.h"
-#include "wl1271_boot.h"
-#include "wl1271_testmode.h"
-#include "wl1271_scan.h"
+#include "reg.h"
+#include "io.h"
+#include "event.h"
+#include "tx.h"
+#include "rx.h"
+#include "ps.h"
+#include "init.h"
+#include "debugfs.h"
+#include "cmd.h"
+#include "boot.h"
+#include "testmode.h"
+#include "scan.h"
 
 #define WL1271_BOOT_RETRIES 3
 
@@ -335,6 +335,28 @@ out:
 	return NOTIFY_OK;
 }
 
+static int wl1271_reg_notify(struct wiphy *wiphy,
+			     struct regulatory_request *request)
+{
+	struct ieee80211_supported_band *band;
+	struct ieee80211_channel *ch;
+	int i;
+
+	band = wiphy->bands[IEEE80211_BAND_5GHZ];
+	for (i = 0; i < band->n_channels; i++) {
+		ch = &band->channels[i];
+		if (ch->flags & IEEE80211_CHAN_DISABLED)
+			continue;
+
+		if (ch->flags & IEEE80211_CHAN_RADAR)
+			ch->flags |= IEEE80211_CHAN_NO_IBSS |
+				     IEEE80211_CHAN_PASSIVE_SCAN;
+
+	}
+
+	return 0;
+}
+
 static void wl1271_conf_init(struct wl1271 *wl)
 {
 
@@ -404,7 +426,7 @@ static int wl1271_plt_init(struct wl1271 *wl)
 		goto out_free_memmap;
 
 	/* Default fragmentation threshold */
-	ret = wl1271_acx_frag_threshold(wl);
+	ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
 	if (ret < 0)
 		goto out_free_memmap;
 
@@ -481,9 +503,9 @@ static void wl1271_fw_status(struct wl1271 *wl,
 		total += cnt;
 	}
 
-	/* if more blocks are available now, schedule some tx work */
-	if (total && !skb_queue_empty(&wl->tx_queue))
-		ieee80211_queue_work(wl->hw, &wl->tx_work);
+	/* if more blocks are available now, tx work can be scheduled */
+	if (total)
+		clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
 
 	/* update the host-chipset time offset */
 	getnstimeofday(&ts);
@@ -529,6 +551,15 @@ static void wl1271_irq_work(struct work_struct *work)
 
 		intr &= WL1271_INTR_MASK;
 
+		if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) {
+			wl1271_error("watchdog interrupt received! "
+				     "starting recovery.");
+			ieee80211_queue_work(wl->hw, &wl->recovery_work);
+
+			/* restarting the chip. ignore any other interrupt. */
+			goto out;
+		}
+
 		if (intr & WL1271_ACX_INTR_DATA) {
 			wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
 
@@ -537,6 +568,16 @@ static void wl1271_irq_work(struct work_struct *work)
 			    (wl->tx_results_count & 0xff))
 				wl1271_tx_complete(wl);
 
+			/* Check if any tx blocks were freed */
+			if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) &&
+			    wl->tx_queue_count) {
+				/*
+				 * In order to avoid starvation of the TX path,
+				 * call the work function directly.
+				 */
+				wl1271_tx_work_locked(wl);
+			}
+
 			wl1271_rx(wl, wl->fw_status);
 		}
 
@@ -850,30 +891,54 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
 	struct ieee80211_sta *sta = txinfo->control.sta;
 	unsigned long flags;
+	int q;
 
-	/* peek into the rates configured in the STA entry */
+	/*
+	 * peek into the rates configured in the STA entry.
+	 * The rates set after connection stage, The first block only BG sets:
+	 * the compare is for bit 0-16 of sta_rate_set. The second block add
+	 * HT rates in case of HT supported.
+	 */
 	spin_lock_irqsave(&wl->wl_lock, flags);
-	if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) {
+	if (sta &&
+	    (sta->supp_rates[conf->channel->band] !=
+	    (wl->sta_rate_set & HW_BG_RATES_MASK))) {
 		wl->sta_rate_set = sta->supp_rates[conf->channel->band];
 		set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
 	}
+
+#ifdef CONFIG_WL12XX_HT
+	if (sta &&
+	    sta->ht_cap.ht_supported &&
+	    ((wl->sta_rate_set >> HW_HT_RATES_OFFSET) !=
+	      sta->ht_cap.mcs.rx_mask[0])) {
+		/* Clean MCS bits before setting them */
+		wl->sta_rate_set &= HW_BG_RATES_MASK;
+		wl->sta_rate_set |=
+			(sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET);
+		set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
+	}
+#endif
+	wl->tx_queue_count++;
 	spin_unlock_irqrestore(&wl->wl_lock, flags);
 
 	/* queue the packet */
-	skb_queue_tail(&wl->tx_queue, skb);
+	q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
+	skb_queue_tail(&wl->tx_queue[q], skb);
 
 	/*
 	 * The chip specific setup must run before the first TX packet -
 	 * before that, the tx_work will not be initialized!
 	 */
 
-	ieee80211_queue_work(wl->hw, &wl->tx_work);
+	if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags))
+		ieee80211_queue_work(wl->hw, &wl->tx_work);
 
 	/*
 	 * The workqueue is slow to process the tx_queue and we need stop
 	 * the queue here, otherwise the queue will get too long.
 	 */
-	if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
+	if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
 		wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
 
 		spin_lock_irqsave(&wl->wl_lock, flags);
@@ -919,18 +984,19 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 	struct wiphy *wiphy = hw->wiphy;
 	int retries = WL1271_BOOT_RETRIES;
 	int ret = 0;
+	bool booted = false;
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
 		     vif->type, vif->addr);
 
 	mutex_lock(&wl->mutex);
 	if (wl->vif) {
+		wl1271_debug(DEBUG_MAC80211,
+			     "multiple vifs are not supported yet");
 		ret = -EBUSY;
 		goto out;
 	}
 
-	wl->vif = vif;
-
 	switch (vif->type) {
 	case NL80211_IFTYPE_STATION:
 		wl->bss_type = BSS_TYPE_STA_BSS;
@@ -968,15 +1034,8 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 		if (ret < 0)
 			goto irq_disable;
 
-		wl->state = WL1271_STATE_ON;
-		wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
-
-		/* update hw/fw version info in wiphy struct */
-		wiphy->hw_version = wl->chip.id;
-		strncpy(wiphy->fw_version, wl->chip.fw_ver,
-			sizeof(wiphy->fw_version));
-
-		goto out;
+		booted = true;
+		break;
 
 irq_disable:
 		wl1271_disable_interrupts(wl);
@@ -994,8 +1053,31 @@ power_off:
 		wl1271_power_off(wl);
 	}
 
-	wl1271_error("firmware boot failed despite %d retries",
-		     WL1271_BOOT_RETRIES);
+	if (!booted) {
+		wl1271_error("firmware boot failed despite %d retries",
+			     WL1271_BOOT_RETRIES);
+		goto out;
+	}
+
+	wl->vif = vif;
+	wl->state = WL1271_STATE_ON;
+	wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
+
+	/* update hw/fw version info in wiphy struct */
+	wiphy->hw_version = wl->chip.id;
+	strncpy(wiphy->fw_version, wl->chip.fw_ver,
+		sizeof(wiphy->fw_version));
+
+	/*
+	 * Now we know if 11a is supported (info from the NVS), so disable
+	 * 11a channels if not supported
+	 */
+	if (!wl->enable_11a)
+		wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0;
+
+	wl1271_debug(DEBUG_MAC80211, "11a is %ssupported",
+		     wl->enable_11a ? "" : "not ");
+
 out:
 	mutex_unlock(&wl->mutex);
 
@@ -1025,6 +1107,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl)
 		wl->scan.state = WL1271_SCAN_STATE_IDLE;
 		kfree(wl->scan.scanned_ch);
 		wl->scan.scanned_ch = NULL;
+		wl->scan.req = NULL;
 		ieee80211_scan_completed(wl->hw, true);
 	}
 
@@ -1088,10 +1171,16 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
 	struct wl1271 *wl = hw->priv;
 
 	mutex_lock(&wl->mutex);
-	WARN_ON(wl->vif != vif);
-	__wl1271_op_remove_interface(wl);
-	mutex_unlock(&wl->mutex);
+	/*
+	 * wl->vif can be null here if someone shuts down the interface
+	 * just when hardware recovery has been started.
+	 */
+	if (wl->vif) {
+		WARN_ON(wl->vif != vif);
+		__wl1271_op_remove_interface(wl);
+	}
 
+	mutex_unlock(&wl->mutex);
 	cancel_work_sync(&wl->recovery_work);
 }
 
@@ -1312,8 +1401,10 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 
 	mutex_lock(&wl->mutex);
 
-	if (unlikely(wl->state == WL1271_STATE_OFF))
+	if (unlikely(wl->state == WL1271_STATE_OFF)) {
+		ret = -EAGAIN;
 		goto out;
+	}
 
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
@@ -1536,6 +1627,11 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 	mutex_lock(&wl->mutex);
 
+	if (unlikely(wl->state == WL1271_STATE_OFF)) {
+		ret = -EAGAIN;
+		goto out_unlock;
+	}
+
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
 		goto out_unlock;
@@ -1645,6 +1741,16 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
 
 	mutex_lock(&wl->mutex);
 
+	if (wl->state == WL1271_STATE_OFF) {
+		/*
+		 * We cannot return -EBUSY here because cfg80211 will expect
+		 * a call to ieee80211_scan_completed if we do - in this case
+		 * there won't be any call.
+		 */
+		ret = -EAGAIN;
+		goto out;
+	}
+
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
 		goto out;
@@ -1659,6 +1765,34 @@ out:
 	return ret;
 }
 
+static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
+{
+	struct wl1271 *wl = hw->priv;
+	int ret = 0;
+
+	mutex_lock(&wl->mutex);
+
+	if (unlikely(wl->state == WL1271_STATE_OFF)) {
+		ret = -EAGAIN;
+		goto out;
+	}
+
+	ret = wl1271_ps_elp_wakeup(wl, false);
+	if (ret < 0)
+		goto out;
+
+	ret = wl1271_acx_frag_threshold(wl, (u16)value);
+	if (ret < 0)
+		wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret);
+
+	wl1271_ps_elp_sleep(wl);
+
+out:
+	mutex_unlock(&wl->mutex);
+
+	return ret;
+}
+
 static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 {
 	struct wl1271 *wl = hw->priv;
@@ -1666,8 +1800,10 @@ static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 
 	mutex_lock(&wl->mutex);
 
-	if (unlikely(wl->state == WL1271_STATE_OFF))
+	if (unlikely(wl->state == WL1271_STATE_OFF)) {
+		ret = -EAGAIN;
 		goto out;
+	}
 
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
@@ -1685,21 +1821,21 @@ out:
 	return ret;
 }
 
-static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
+static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
+			    int offset)
 {
-	u8 *ptr = beacon->data +
-		offsetof(struct ieee80211_mgmt, u.beacon.variable);
+	u8 *ptr = skb->data + offset;
 
 	/* find the location of the ssid in the beacon */
-	while (ptr < beacon->data + beacon->len) {
+	while (ptr < skb->data + skb->len) {
 		if (ptr[0] == WLAN_EID_SSID) {
 			wl->ssid_len = ptr[1];
 			memcpy(wl->ssid, ptr+2, wl->ssid_len);
 			return;
 		}
-		ptr += ptr[1];
+		ptr += (ptr[1] + 2);
 	}
-	wl1271_error("ad-hoc beacon template has no SSID!\n");
+	wl1271_error("No SSID in IEs!\n");
 }
 
 static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
@@ -1709,6 +1845,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 {
 	enum wl1271_cmd_ps_mode mode;
 	struct wl1271 *wl = hw->priv;
+	struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
 	bool do_join = false;
 	bool set_assoc = false;
 	int ret;
@@ -1717,6 +1854,9 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 
 	mutex_lock(&wl->mutex);
 
+	if (unlikely(wl->state == WL1271_STATE_OFF))
+		goto out;
+
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
 		goto out;
@@ -1738,8 +1878,11 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 
 		if (beacon) {
 			struct ieee80211_hdr *hdr;
+			int ieoffset = offsetof(struct ieee80211_mgmt,
+						u.beacon.variable);
+
+			wl1271_ssid_set(wl, beacon, ieoffset);
 
-			wl1271_ssid_set(wl, beacon);
 			ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
 						      beacon->data,
 						      beacon->len, 0,
@@ -1819,6 +1962,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_ASSOC) {
 		if (bss_conf->assoc) {
 			u32 rates;
+			int ieoffset;
 			wl->aid = bss_conf->aid;
 			set_assoc = true;
 
@@ -1847,13 +1991,13 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 				goto out_sleep;
 
 			/*
-			 * The SSID is intentionally set to NULL here - the
-			 * firmware will set the probe request with a
-			 * broadcast SSID regardless of what we set in the
-			 * template.
+			 * Get a template for hardware connection maintenance
 			 */
-			ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
-							 NULL, 0, wl->band);
+			dev_kfree_skb(wl->probereq);
+			wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL);
+			ieoffset = offsetof(struct ieee80211_mgmt,
+					    u.probe_req.variable);
+			wl1271_ssid_set(wl, wl->probereq, ieoffset);
 
 			/* enable the connection monitoring feature */
 			ret = wl1271_acx_conn_monit_params(wl, true);
@@ -1876,6 +2020,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 			clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
 			wl->aid = 0;
 
+			/* free probe-request template */
+			dev_kfree_skb(wl->probereq);
+			wl->probereq = NULL;
+
 			/* re-enable dynamic ps - just in case */
 			ieee80211_enable_dyn_ps(wl->vif);
 
@@ -1891,9 +2039,12 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 
 			/* Disable the keep-alive feature */
 			ret = wl1271_acx_keep_alive_mode(wl, false);
-
 			if (ret < 0)
 				goto out_sleep;
+
+			/* restore the bssid filter and go to dummy bssid */
+			wl1271_unjoin(wl);
+			wl1271_dummy_join(wl);
 		}
 
 	}
@@ -1927,14 +2078,61 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
+	/*
+	 * Takes care of: New association with HT enable,
+	 *                HT information change in beacon.
+	 */
+	if (sta &&
+	    (changed & BSS_CHANGED_HT) &&
+	    (bss_conf->channel_type != NL80211_CHAN_NO_HT)) {
+		ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true);
+		if (ret < 0) {
+			wl1271_warning("Set ht cap true failed %d", ret);
+			goto out_sleep;
+		}
+			ret = wl1271_acx_set_ht_information(wl,
+				bss_conf->ht_operation_mode);
+		if (ret < 0) {
+			wl1271_warning("Set ht information failed %d", ret);
+			goto out_sleep;
+		}
+	}
+	/*
+	 * Takes care of: New association without HT,
+	 *                Disassociation.
+	 */
+	else if (sta && (changed & BSS_CHANGED_ASSOC)) {
+		ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, false);
+		if (ret < 0) {
+			wl1271_warning("Set ht cap false failed %d", ret);
+			goto out_sleep;
+		}
+	}
+
 	if (changed & BSS_CHANGED_ARP_FILTER) {
 		__be32 addr = bss_conf->arp_addr_list[0];
 		WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
 
-		if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled)
-			ret = wl1271_acx_arp_ip_filter(wl, true, addr);
-		else
-			ret = wl1271_acx_arp_ip_filter(wl, false, addr);
+		if (bss_conf->arp_addr_cnt == 1 &&
+		    bss_conf->arp_filter_enabled) {
+			/*
+			 * The template should have been configured only upon
+			 * association. however, it seems that the correct ip
+			 * isn't being set (when sending), so we have to
+			 * reconfigure the template upon every ip change.
+			 */
+			ret = wl1271_cmd_build_arp_rsp(wl, addr);
+			if (ret < 0) {
+				wl1271_warning("build arp rsp failed: %d", ret);
+				goto out_sleep;
+			}
+
+			ret = wl1271_acx_arp_ip_filter(wl,
+				(ACX_ARP_FILTER_ARP_FILTERING |
+				 ACX_ARP_FILTER_AUTO_ARP),
+				addr);
+		} else
+			ret = wl1271_acx_arp_ip_filter(wl, 0, addr);
 
 		if (ret < 0)
 			goto out_sleep;
@@ -1966,6 +2164,11 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
 
+	if (unlikely(wl->state == WL1271_STATE_OFF)) {
+		ret = -EAGAIN;
+		goto out;
+	}
+
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
 		goto out;
@@ -2009,6 +2212,9 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw)
 
 	mutex_lock(&wl->mutex);
 
+	if (unlikely(wl->state == WL1271_STATE_OFF))
+		goto out;
+
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
 		goto out;
@@ -2030,14 +2236,14 @@ static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx,
 {
 	struct wl1271 *wl = hw->priv;
 	struct ieee80211_conf *conf = &hw->conf;
- 
+
 	if (idx != 0)
 		return -ENOENT;
- 
+
 	survey->channel = conf->channel;
 	survey->filled = SURVEY_INFO_NOISE_DBM;
 	survey->noise = wl->noise;
- 
+
 	return 0;
 }
 
@@ -2084,37 +2290,34 @@ static struct ieee80211_rate wl1271_rates[] = {
 	  .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
 };
 
-/*
- * Can't be const, mac80211 writes to this. The order of the channels here
- * is designed to improve scanning.
- */
+/* can't be const, mac80211 writes to this */
 static struct ieee80211_channel wl1271_channels[] = {
 	{ .hw_value = 1, .center_freq = 2412, .max_power = 25 },
-	{ .hw_value = 5, .center_freq = 2432, .max_power = 25 },
-	{ .hw_value = 9, .center_freq = 2452, .max_power = 25 },
-	{ .hw_value = 13, .center_freq = 2472, .max_power = 25 },
-	{ .hw_value = 4, .center_freq = 2427, .max_power = 25 },
-	{ .hw_value = 8, .center_freq = 2447, .max_power = 25 },
-	{ .hw_value = 12, .center_freq = 2467, .max_power = 25 },
-	{ .hw_value = 3, .center_freq = 2422, .max_power = 25 },
-	{ .hw_value = 7, .center_freq = 2442, .max_power = 25 },
-	{ .hw_value = 11, .center_freq = 2462, .max_power = 25 },
 	{ .hw_value = 2, .center_freq = 2417, .max_power = 25 },
+	{ .hw_value = 3, .center_freq = 2422, .max_power = 25 },
+	{ .hw_value = 4, .center_freq = 2427, .max_power = 25 },
+	{ .hw_value = 5, .center_freq = 2432, .max_power = 25 },
 	{ .hw_value = 6, .center_freq = 2437, .max_power = 25 },
+	{ .hw_value = 7, .center_freq = 2442, .max_power = 25 },
+	{ .hw_value = 8, .center_freq = 2447, .max_power = 25 },
+	{ .hw_value = 9, .center_freq = 2452, .max_power = 25 },
 	{ .hw_value = 10, .center_freq = 2457, .max_power = 25 },
+	{ .hw_value = 11, .center_freq = 2462, .max_power = 25 },
+	{ .hw_value = 12, .center_freq = 2467, .max_power = 25 },
+	{ .hw_value = 13, .center_freq = 2472, .max_power = 25 },
 };
 
 /* mapping to indexes for wl1271_rates */
 static const u8 wl1271_rate_to_idx_2ghz[] = {
 	/* MCS rates are used only with 11n */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+	7,                            /* CONF_HW_RXTX_RATE_MCS7 */
+	6,                            /* CONF_HW_RXTX_RATE_MCS6 */
+	5,                            /* CONF_HW_RXTX_RATE_MCS5 */
+	4,                            /* CONF_HW_RXTX_RATE_MCS4 */
+	3,                            /* CONF_HW_RXTX_RATE_MCS3 */
+	2,                            /* CONF_HW_RXTX_RATE_MCS2 */
+	1,                            /* CONF_HW_RXTX_RATE_MCS1 */
+	0,                            /* CONF_HW_RXTX_RATE_MCS0 */
 
 	11,                            /* CONF_HW_RXTX_RATE_54   */
 	10,                            /* CONF_HW_RXTX_RATE_48   */
@@ -2134,12 +2337,34 @@ static const u8 wl1271_rate_to_idx_2ghz[] = {
 	0                              /* CONF_HW_RXTX_RATE_1    */
 };
 
+/* 11n STA capabilities */
+#define HW_RX_HIGHEST_RATE	72
+
+#ifdef CONFIG_WL12XX_HT
+#define WL12XX_HT_CAP { \
+	.cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20, \
+	.ht_supported = true, \
+	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \
+	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \
+	.mcs = { \
+		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \
+		.rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \
+		.tx_params = IEEE80211_HT_MCS_TX_DEFINED, \
+		}, \
+}
+#else
+#define WL12XX_HT_CAP { \
+	.ht_supported = false, \
+}
+#endif
+
 /* can't be const, mac80211 writes to this */
 static struct ieee80211_supported_band wl1271_band_2ghz = {
 	.channels = wl1271_channels,
 	.n_channels = ARRAY_SIZE(wl1271_channels),
 	.bitrates = wl1271_rates,
 	.n_bitrates = ARRAY_SIZE(wl1271_rates),
+	.ht_cap	= WL12XX_HT_CAP,
 };
 
 /* 5 GHz data rates for WL1273 */
@@ -2170,66 +2395,55 @@ static struct ieee80211_rate wl1271_rates_5ghz[] = {
 	  .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
 };
 
-/*
- * 5 GHz band channels for WL1273 - can't be const, mac80211 writes to this.
- * The order of the channels here is designed to improve scanning.
- */
+/* 5 GHz band channels for WL1273 */
 static struct ieee80211_channel wl1271_channels_5ghz[] = {
-	{ .hw_value = 183, .center_freq = 4915},
-	{ .hw_value = 188, .center_freq = 4940},
+	{ .hw_value = 7, .center_freq = 5035},
 	{ .hw_value = 8, .center_freq = 5040},
-	{ .hw_value = 34, .center_freq = 5170},
-	{ .hw_value = 44, .center_freq = 5220},
-	{ .hw_value = 60, .center_freq = 5300},
-	{ .hw_value = 112, .center_freq = 5560},
-	{ .hw_value = 132, .center_freq = 5660},
-	{ .hw_value = 157, .center_freq = 5785},
-	{ .hw_value = 184, .center_freq = 4920},
-	{ .hw_value = 189, .center_freq = 4945},
 	{ .hw_value = 9, .center_freq = 5045},
-	{ .hw_value = 36, .center_freq = 5180},
-	{ .hw_value = 46, .center_freq = 5230},
-	{ .hw_value = 64, .center_freq = 5320},
-	{ .hw_value = 116, .center_freq = 5580},
-	{ .hw_value = 136, .center_freq = 5680},
-	{ .hw_value = 192, .center_freq = 4960},
 	{ .hw_value = 11, .center_freq = 5055},
-	{ .hw_value = 38, .center_freq = 5190},
-	{ .hw_value = 48, .center_freq = 5240},
-	{ .hw_value = 100, .center_freq = 5500},
-	{ .hw_value = 120, .center_freq = 5600},
-	{ .hw_value = 140, .center_freq = 5700},
-	{ .hw_value = 185, .center_freq = 4925},
-	{ .hw_value = 196, .center_freq = 4980},
 	{ .hw_value = 12, .center_freq = 5060},
-	{ .hw_value = 40, .center_freq = 5200},
-	{ .hw_value = 52, .center_freq = 5260},
-	{ .hw_value = 104, .center_freq = 5520},
-	{ .hw_value = 124, .center_freq = 5620},
-	{ .hw_value = 149, .center_freq = 5745},
-	{ .hw_value = 161, .center_freq = 5805},
-	{ .hw_value = 187, .center_freq = 4935},
-	{ .hw_value = 7, .center_freq = 5035},
 	{ .hw_value = 16, .center_freq = 5080},
+	{ .hw_value = 34, .center_freq = 5170},
+	{ .hw_value = 36, .center_freq = 5180},
+	{ .hw_value = 38, .center_freq = 5190},
+	{ .hw_value = 40, .center_freq = 5200},
 	{ .hw_value = 42, .center_freq = 5210},
+	{ .hw_value = 44, .center_freq = 5220},
+	{ .hw_value = 46, .center_freq = 5230},
+	{ .hw_value = 48, .center_freq = 5240},
+	{ .hw_value = 52, .center_freq = 5260},
 	{ .hw_value = 56, .center_freq = 5280},
+	{ .hw_value = 60, .center_freq = 5300},
+	{ .hw_value = 64, .center_freq = 5320},
+	{ .hw_value = 100, .center_freq = 5500},
+	{ .hw_value = 104, .center_freq = 5520},
 	{ .hw_value = 108, .center_freq = 5540},
+	{ .hw_value = 112, .center_freq = 5560},
+	{ .hw_value = 116, .center_freq = 5580},
+	{ .hw_value = 120, .center_freq = 5600},
+	{ .hw_value = 124, .center_freq = 5620},
 	{ .hw_value = 128, .center_freq = 5640},
+	{ .hw_value = 132, .center_freq = 5660},
+	{ .hw_value = 136, .center_freq = 5680},
+	{ .hw_value = 140, .center_freq = 5700},
+	{ .hw_value = 149, .center_freq = 5745},
 	{ .hw_value = 153, .center_freq = 5765},
+	{ .hw_value = 157, .center_freq = 5785},
+	{ .hw_value = 161, .center_freq = 5805},
 	{ .hw_value = 165, .center_freq = 5825},
 };
 
 /* mapping to indexes for wl1271_rates_5ghz */
 static const u8 wl1271_rate_to_idx_5ghz[] = {
 	/* MCS rates are used only with 11n */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
-	CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+	7,                            /* CONF_HW_RXTX_RATE_MCS7 */
+	6,                            /* CONF_HW_RXTX_RATE_MCS6 */
+	5,                            /* CONF_HW_RXTX_RATE_MCS5 */
+	4,                            /* CONF_HW_RXTX_RATE_MCS4 */
+	3,                            /* CONF_HW_RXTX_RATE_MCS3 */
+	2,                            /* CONF_HW_RXTX_RATE_MCS2 */
+	1,                            /* CONF_HW_RXTX_RATE_MCS1 */
+	0,                            /* CONF_HW_RXTX_RATE_MCS0 */
 
 	7,                             /* CONF_HW_RXTX_RATE_54   */
 	6,                             /* CONF_HW_RXTX_RATE_48   */
@@ -2254,6 +2468,7 @@ static struct ieee80211_supported_band wl1271_band_5ghz = {
 	.n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
 	.bitrates = wl1271_rates_5ghz,
 	.n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
+	.ht_cap	= WL12XX_HT_CAP,
 };
 
 static const u8 *wl1271_band_rate_to_idx[] = {
@@ -2273,6 +2488,7 @@ static const struct ieee80211_ops wl1271_ops = {
 	.set_key = wl1271_op_set_key,
 	.hw_scan = wl1271_op_hw_scan,
 	.bss_info_changed = wl1271_op_bss_info_changed,
+	.set_frag_threshold = wl1271_op_set_frag_threshold,
 	.set_rts_threshold = wl1271_op_set_rts_threshold,
 	.conf_tx = wl1271_op_conf_tx,
 	.get_tsf = wl1271_op_get_tsf,
@@ -2281,18 +2497,18 @@ static const struct ieee80211_ops wl1271_ops = {
 };
 
 
-u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
+u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band)
 {
 	u8 idx;
 
-	BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
+	BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
 
 	if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
 		wl1271_error("Illegal RX rate from HW: %d", rate);
 		return 0;
 	}
 
-	idx = wl1271_band_rate_to_idx[wl->band][rate];
+	idx = wl1271_band_rate_to_idx[band][rate];
 	if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
 		wl1271_error("Unsupported RX rate from HW: %d", rate);
 		return 0;
@@ -2401,6 +2617,8 @@ int wl1271_register_hw(struct wl1271 *wl)
 
 	wl->mac80211_registered = true;
 
+	wl1271_debugfs_init(wl);
+
 	register_netdevice_notifier(&wl1271_dev_notifier);
 
 	wl1271_notice("loaded");
@@ -2451,12 +2669,21 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_ADHOC);
 	wl->hw->wiphy->max_scan_ssids = 1;
+	/*
+	 * Maximum length of elements in scanning probe request templates
+	 * should be the maximum length possible for a template, without
+	 * the IEEE80211 header of the template
+	 */
+	wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
+			sizeof(struct ieee80211_header);
 	wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
 	wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
 
 	wl->hw->queues = 4;
 	wl->hw->max_rates = 1;
 
+	wl->hw->wiphy->reg_notifier = wl1271_reg_notify;
+
 	SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
 
 	return 0;
@@ -2495,7 +2722,8 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	wl->hw = hw;
 	wl->plat_dev = plat_dev;
 
-	skb_queue_head_init(&wl->tx_queue);
+	for (i = 0; i < NUM_TX_QUEUES; i++)
+		skb_queue_head_init(&wl->tx_queue[i]);
 
 	INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
 	INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
@@ -2521,6 +2749,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	wl->sg_enabled = true;
 	wl->hw_pg_ver = -1;
 
+	memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map));
 	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		wl->tx_frames[i] = NULL;
 
@@ -2532,8 +2761,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	/* Apply default driver configuration. */
 	wl1271_conf_init(wl);
 
-	wl1271_debugfs_init(wl);
-
 	order = get_order(WL1271_AGGR_BUFFER_SIZE);
 	wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order);
 	if (!wl->aggr_buf) {
@@ -2610,6 +2837,11 @@ int wl1271_free_hw(struct wl1271 *wl)
 }
 EXPORT_SYMBOL_GPL(wl1271_free_hw);
 
+u32 wl12xx_debug_level;
+EXPORT_SYMBOL_GPL(wl12xx_debug_level);
+module_param_named(debug_level, wl12xx_debug_level, uint, DEBUG_NONE);
+MODULE_PARM_DESC(debug_level, "wl12xx debugging level");
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
 MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/ps.c
index e3c332e2f97..60a3738eadb 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/ps.c
@@ -21,9 +21,9 @@
  *
  */
 
-#include "wl1271_reg.h"
-#include "wl1271_ps.h"
-#include "wl1271_io.h"
+#include "reg.h"
+#include "ps.h"
+#include "io.h"
 
 #define WL1271_WAKEUP_TIMEOUT 500
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.h b/drivers/net/wireless/wl12xx/ps.h
index 6ba7b032736..8415060f08e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.h
+++ b/drivers/net/wireless/wl12xx/ps.h
@@ -21,11 +21,11 @@
  *
  */
 
-#ifndef __WL1271_PS_H__
-#define __WL1271_PS_H__
+#ifndef __PS_H__
+#define __PS_H__
 
-#include "wl1271.h"
-#include "wl1271_acx.h"
+#include "wl12xx.h"
+#include "acx.h"
 
 int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
 		       u32 rates, bool send);
diff --git a/drivers/net/wireless/wl12xx/wl1271_reg.h b/drivers/net/wireless/wl12xx/reg.h
index 99096077152..99096077152 100644
--- a/drivers/net/wireless/wl12xx/wl1271_reg.h
+++ b/drivers/net/wireless/wl12xx/reg.h
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/rx.c
index bea133b6e48..682304c30b8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/rx.c
@@ -23,11 +23,11 @@
 
 #include <linux/gfp.h>
 
-#include "wl1271.h"
-#include "wl1271_acx.h"
-#include "wl1271_reg.h"
-#include "wl1271_rx.h"
-#include "wl1271_io.h"
+#include "wl12xx.h"
+#include "acx.h"
+#include "reg.h"
+#include "rx.h"
+#include "io.h"
 
 static u8 wl1271_rx_get_mem_block(struct wl1271_fw_status *status,
 				  u32 drv_rx_counter)
@@ -48,10 +48,24 @@ static void wl1271_rx_status(struct wl1271 *wl,
 			     struct ieee80211_rx_status *status,
 			     u8 beacon)
 {
+	enum ieee80211_band desc_band;
+
 	memset(status, 0, sizeof(struct ieee80211_rx_status));
 
 	status->band = wl->band;
-	status->rate_idx = wl1271_rate_to_idx(wl, desc->rate);
+
+	if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
+		desc_band = IEEE80211_BAND_2GHZ;
+	else
+		desc_band = IEEE80211_BAND_5GHZ;
+
+	status->rate_idx = wl1271_rate_to_idx(desc->rate, desc_band);
+
+#ifdef CONFIG_WL12XX_HT
+	/* 11n support */
+	if (desc->rate <= CONF_HW_RXTX_RATE_MCS0)
+		status->flag |= RX_FLAG_HT;
+#endif
 
 	status->signal = desc->rssi;
 
@@ -170,10 +184,14 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
 		while (pkt_offset < buf_size) {
 			pkt_length = wl1271_rx_get_buf_size(status,
 					drv_rx_counter);
-			if (wl1271_rx_handle_data(wl,
-					wl->aggr_buf + pkt_offset,
-					pkt_length) < 0)
-				break;
+			/*
+			 * the handle data call can only fail in memory-outage
+			 * conditions, in that case the received frame will just
+			 * be dropped.
+			 */
+			wl1271_rx_handle_data(wl,
+					      wl->aggr_buf + pkt_offset,
+					      pkt_length);
 			wl->rx_counter++;
 			drv_rx_counter++;
 			drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK;
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.h b/drivers/net/wireless/wl12xx/rx.h
index 13a232333b1..3abb26fe036 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.h
+++ b/drivers/net/wireless/wl12xx/rx.h
@@ -22,8 +22,8 @@
  *
  */
 
-#ifndef __WL1271_RX_H__
-#define __WL1271_RX_H__
+#ifndef __RX_H__
+#define __RX_H__
 
 #include <linux/bitops.h>
 
@@ -116,6 +116,6 @@ struct wl1271_rx_descriptor {
 } __packed;
 
 void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status);
-u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate);
+u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_scan.c b/drivers/net/wireless/wl12xx/scan.c
index 909bb47995b..6f897b9d90c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -23,10 +23,10 @@
 
 #include <linux/ieee80211.h>
 
-#include "wl1271.h"
-#include "wl1271_cmd.h"
-#include "wl1271_scan.h"
-#include "wl1271_acx.h"
+#include "wl12xx.h"
+#include "cmd.h"
+#include "scan.h"
+#include "acx.h"
 
 void wl1271_scan_complete_work(struct work_struct *work)
 {
@@ -48,14 +48,19 @@ void wl1271_scan_complete_work(struct work_struct *work)
 	wl->scan.state = WL1271_SCAN_STATE_IDLE;
 	kfree(wl->scan.scanned_ch);
 	wl->scan.scanned_ch = NULL;
-	mutex_unlock(&wl->mutex);
-
+	wl->scan.req = NULL;
 	ieee80211_scan_completed(wl->hw, false);
 
+	/* restore hardware connection monitoring template */
+	if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+		wl1271_cmd_build_ap_probe_req(wl, wl->probereq);
+
 	if (wl->scan.failed) {
 		wl1271_info("Scan completed due to error.");
 		ieee80211_queue_work(wl->hw, &wl->recovery_work);
 	}
+	mutex_unlock(&wl->mutex);
+
 }
 
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_scan.h b/drivers/net/wireless/wl12xx/scan.h
index 6d57127b5e6..421a750add5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_scan.h
+++ b/drivers/net/wireless/wl12xx/scan.h
@@ -21,10 +21,10 @@
  *
  */
 
-#ifndef __WL1271_SCAN_H__
-#define __WL1271_SCAN_H__
+#ifndef __SCAN_H__
+#define __SCAN_H__
 
-#include "wl1271.h"
+#include "wl12xx.h"
 
 int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
 		struct cfg80211_scan_request *req);
diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/sdio.c
index 784ef343264..93cbb8d5aba 100644
--- a/drivers/net/wireless/wl12xx/wl1271_sdio.c
+++ b/drivers/net/wireless/wl12xx/sdio.c
@@ -32,9 +32,9 @@
 #include <linux/wl12xx.h>
 #include <linux/pm_runtime.h>
 
-#include "wl1271.h"
+#include "wl12xx.h"
 #include "wl12xx_80211.h"
-#include "wl1271_io.h"
+#include "io.h"
 
 #ifndef SDIO_VENDOR_ID_TI
 #define SDIO_VENDOR_ID_TI		0x0097
diff --git a/drivers/net/wireless/wl12xx/sdio_test.c b/drivers/net/wireless/wl12xx/sdio_test.c
new file mode 100644
index 00000000000..9fcbd3dd849
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/sdio_test.c
@@ -0,0 +1,520 @@
+/*
+ * SDIO testing driver for wl12xx
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Roger Quadros <roger.quadros@nokia.com>
+ *
+ * wl12xx read/write routines taken from the main module
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/crc7.h>
+#include <linux/vmalloc.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/card.h>
+#include <linux/gpio.h>
+#include <linux/wl12xx.h>
+#include <linux/kthread.h>
+#include <linux/firmware.h>
+#include <linux/pm_runtime.h>
+
+#include "wl12xx.h"
+#include "io.h"
+#include "boot.h"
+
+#ifndef SDIO_VENDOR_ID_TI
+#define SDIO_VENDOR_ID_TI		0x0097
+#endif
+
+#ifndef SDIO_DEVICE_ID_TI_WL1271
+#define SDIO_DEVICE_ID_TI_WL1271	0x4076
+#endif
+
+static bool rx, tx;
+
+module_param(rx, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(rx, "Perform rx test. Default (0). "
+	"This test continuously reads data from the SDIO device.\n");
+
+module_param(tx, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(tx, "Perform tx test. Default (0). "
+	"This test continuously writes data to the SDIO device.\n");
+
+struct wl1271_test {
+	struct wl1271 wl;
+	struct task_struct *test_task;
+};
+
+static const struct sdio_device_id wl1271_devices[] = {
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271) },
+	{}
+};
+
+static inline struct sdio_func *wl_to_func(struct wl1271 *wl)
+{
+	return wl->if_priv;
+}
+
+static struct device *wl1271_sdio_wl_to_dev(struct wl1271 *wl)
+{
+	return &(wl_to_func(wl)->dev);
+}
+
+static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
+		size_t len, bool fixed)
+{
+	int ret = 0;
+	struct sdio_func *func = wl_to_func(wl);
+
+	if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
+		((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret);
+		wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x",
+				addr, ((u8 *)buf)[0]);
+	} else {
+		if (fixed)
+			ret = sdio_readsb(func, buf, addr, len);
+		else
+			ret = sdio_memcpy_fromio(func, buf, addr, len);
+
+		wl1271_debug(DEBUG_SDIO, "sdio read 53 addr 0x%x, %zu bytes",
+				addr, len);
+		wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
+	}
+
+	if (ret)
+		wl1271_error("sdio read failed (%d)", ret);
+}
+
+static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
+		size_t len, bool fixed)
+{
+	int ret = 0;
+	struct sdio_func *func = wl_to_func(wl);
+
+	if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
+		sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret);
+		wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x",
+				addr, ((u8 *)buf)[0]);
+	} else {
+		wl1271_debug(DEBUG_SDIO, "sdio write 53 addr 0x%x, %zu bytes",
+				addr, len);
+		wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
+
+		if (fixed)
+			ret = sdio_writesb(func, addr, buf, len);
+		else
+			ret = sdio_memcpy_toio(func, addr, buf, len);
+	}
+	if (ret)
+		wl1271_error("sdio write failed (%d)", ret);
+
+}
+
+static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable)
+{
+	struct sdio_func *func = wl_to_func(wl);
+	int ret;
+
+	/* Let the SDIO stack handle wlan_enable control, so we
+	 * keep host claimed while wlan is in use to keep wl1271
+	 * alive.
+	 */
+	if (enable) {
+		/* Power up the card */
+		ret = pm_runtime_get_sync(&func->dev);
+		if (ret < 0)
+			goto out;
+		sdio_claim_host(func);
+		sdio_enable_func(func);
+		sdio_release_host(func);
+	} else {
+		sdio_claim_host(func);
+		sdio_disable_func(func);
+		sdio_release_host(func);
+
+		/* Power down the card */
+		ret = pm_runtime_put_sync(&func->dev);
+	}
+
+out:
+	return ret;
+}
+
+static void wl1271_sdio_disable_interrupts(struct wl1271 *wl)
+{
+}
+
+static void wl1271_sdio_enable_interrupts(struct wl1271 *wl)
+{
+}
+
+
+static struct wl1271_if_operations sdio_ops = {
+	.read		= wl1271_sdio_raw_read,
+	.write		= wl1271_sdio_raw_write,
+	.power		= wl1271_sdio_set_power,
+	.dev		= wl1271_sdio_wl_to_dev,
+	.enable_irq	= wl1271_sdio_enable_interrupts,
+	.disable_irq	= wl1271_sdio_disable_interrupts,
+};
+
+static void wl1271_fw_wakeup(struct wl1271 *wl)
+{
+	u32 elp_reg;
+
+	elp_reg = ELPCTRL_WAKE_UP;
+	wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
+}
+
+static int wl1271_fetch_firmware(struct wl1271 *wl)
+{
+	const struct firmware *fw;
+	int ret;
+
+	ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
+
+	if (ret < 0) {
+		wl1271_error("could not get firmware: %d", ret);
+		return ret;
+	}
+
+	if (fw->size % 4) {
+		wl1271_error("firmware size is not multiple of 32 bits: %zu",
+				fw->size);
+		ret = -EILSEQ;
+		goto out;
+	}
+
+	wl->fw_len = fw->size;
+	wl->fw = vmalloc(wl->fw_len);
+
+	if (!wl->fw) {
+		wl1271_error("could not allocate memory for the firmware");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	memcpy(wl->fw, fw->data, wl->fw_len);
+
+	ret = 0;
+
+out:
+	release_firmware(fw);
+
+	return ret;
+}
+
+static int wl1271_fetch_nvs(struct wl1271 *wl)
+{
+	const struct firmware *fw;
+	int ret;
+
+	ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
+
+	if (ret < 0) {
+		wl1271_error("could not get nvs file: %d", ret);
+		return ret;
+	}
+
+	wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL);
+
+	if (!wl->nvs) {
+		wl1271_error("could not allocate memory for the nvs file");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	wl->nvs_len = fw->size;
+
+out:
+	release_firmware(fw);
+
+	return ret;
+}
+
+static int wl1271_chip_wakeup(struct wl1271 *wl)
+{
+	struct wl1271_partition_set partition;
+	int ret;
+
+	msleep(WL1271_PRE_POWER_ON_SLEEP);
+	ret = wl1271_power_on(wl);
+	if (ret)
+		return ret;
+
+	msleep(WL1271_POWER_ON_SLEEP);
+
+	/* We don't need a real memory partition here, because we only want
+	 * to use the registers at this point. */
+	memset(&partition, 0, sizeof(partition));
+	partition.reg.start = REGISTERS_BASE;
+	partition.reg.size = REGISTERS_DOWN_SIZE;
+	wl1271_set_partition(wl, &partition);
+
+	/* ELP module wake up */
+	wl1271_fw_wakeup(wl);
+
+	/* whal_FwCtrl_BootSm() */
+
+	/* 0. read chip id from CHIP_ID */
+	wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
+
+	/* 1. check if chip id is valid */
+
+	switch (wl->chip.id) {
+	case CHIP_ID_1271_PG10:
+		wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
+				wl->chip.id);
+		break;
+	case CHIP_ID_1271_PG20:
+		wl1271_notice("chip id 0x%x (1271 PG20)",
+				wl->chip.id);
+		break;
+	default:
+		wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
+		return -ENODEV;
+	}
+
+	return ret;
+}
+
+static struct wl1271_partition_set part_down = {
+	.mem = {
+		.start = 0x00000000,
+		.size  = 0x000177c0
+	},
+	.reg = {
+		.start = REGISTERS_BASE,
+		.size  = 0x00008800
+	},
+	.mem2 = {
+		.start = 0x00000000,
+		.size  = 0x00000000
+	},
+	.mem3 = {
+		.start = 0x00000000,
+		.size  = 0x00000000
+	},
+};
+
+static int tester(void *data)
+{
+	struct wl1271 *wl = data;
+	struct sdio_func *func = wl_to_func(wl);
+	struct device *pdev = &func->dev;
+	int ret = 0;
+	bool rx_started = 0;
+	bool tx_started = 0;
+	uint8_t *tx_buf, *rx_buf;
+	int test_size = PAGE_SIZE;
+	u32 addr = 0;
+	struct wl1271_partition_set partition;
+
+	/* We assume chip is powered up and firmware fetched */
+
+	memcpy(&partition, &part_down, sizeof(partition));
+	partition.mem.start = addr;
+	wl1271_set_partition(wl, &partition);
+
+	tx_buf = kmalloc(test_size, GFP_KERNEL);
+	rx_buf = kmalloc(test_size, GFP_KERNEL);
+	if (!tx_buf || !rx_buf) {
+		dev_err(pdev,
+			"Could not allocate memory. Test will not run.\n");
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	memset(tx_buf, 0x5a, test_size);
+
+	/* write something in data area so we can read it back */
+	wl1271_write(wl, addr, tx_buf, test_size, false);
+
+	while (!kthread_should_stop()) {
+		if (rx && !rx_started) {
+			dev_info(pdev, "starting rx test\n");
+			rx_started = 1;
+		} else if (!rx && rx_started) {
+			dev_info(pdev, "stopping rx test\n");
+			rx_started = 0;
+		}
+
+		if (tx && !tx_started) {
+			dev_info(pdev, "starting tx test\n");
+			tx_started = 1;
+		} else if (!tx && tx_started) {
+			dev_info(pdev, "stopping tx test\n");
+			tx_started = 0;
+		}
+
+		if (rx_started)
+			wl1271_read(wl, addr, rx_buf, test_size, false);
+
+		if (tx_started)
+			wl1271_write(wl, addr, tx_buf, test_size, false);
+
+		if (!rx_started && !tx_started)
+			msleep(100);
+	}
+
+free:
+	kfree(tx_buf);
+	kfree(rx_buf);
+	return ret;
+}
+
+static int __devinit wl1271_probe(struct sdio_func *func,
+		const struct sdio_device_id *id)
+{
+	const struct wl12xx_platform_data *wlan_data;
+	struct wl1271 *wl;
+	struct wl1271_test *wl_test;
+	int ret = 0;
+
+	/* wl1271 has 2 sdio functions we handle just the wlan part */
+	if (func->num != 0x02)
+		return -ENODEV;
+
+	wl_test = kzalloc(sizeof(struct wl1271_test), GFP_KERNEL);
+	if (!wl_test) {
+		dev_err(&func->dev, "Could not allocate memory\n");
+		return -ENOMEM;
+	}
+
+	wl = &wl_test->wl;
+
+	wl->if_priv = func;
+	wl->if_ops = &sdio_ops;
+
+	/* Grab access to FN0 for ELP reg. */
+	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
+
+	wlan_data = wl12xx_get_platform_data();
+	if (IS_ERR(wlan_data)) {
+		ret = PTR_ERR(wlan_data);
+		dev_err(&func->dev, "missing wlan platform data: %d\n", ret);
+		goto out_free;
+	}
+
+	wl->irq = wlan_data->irq;
+	wl->ref_clock = wlan_data->board_ref_clock;
+
+	sdio_set_drvdata(func, wl_test);
+
+
+	/* power up the device */
+	ret = wl1271_chip_wakeup(wl);
+	if (ret) {
+		dev_err(&func->dev, "could not wake up chip\n");
+		goto out_free;
+	}
+
+	if (wl->fw == NULL) {
+		ret = wl1271_fetch_firmware(wl);
+		if (ret < 0) {
+			dev_err(&func->dev, "firmware fetch error\n");
+			goto out_off;
+		}
+	}
+
+	/* fetch NVS */
+	if (wl->nvs == NULL) {
+		ret = wl1271_fetch_nvs(wl);
+		if (ret < 0) {
+			dev_err(&func->dev, "NVS fetch error\n");
+			goto out_off;
+		}
+	}
+
+	ret = wl1271_load_firmware(wl);
+	if (ret < 0) {
+		dev_err(&func->dev, "firmware load error: %d\n", ret);
+		goto out_free;
+	}
+
+	dev_info(&func->dev, "initialized\n");
+
+	/* I/O testing will be done in the tester thread */
+
+	wl_test->test_task = kthread_run(tester, wl, "sdio_tester");
+	if (IS_ERR(wl_test->test_task)) {
+		dev_err(&func->dev, "unable to create kernel thread\n");
+		ret = PTR_ERR(wl_test->test_task);
+		goto out_free;
+	}
+
+	return 0;
+
+out_off:
+	/* power off the chip */
+	wl1271_power_off(wl);
+
+out_free:
+	kfree(wl_test);
+	return ret;
+}
+
+static void __devexit wl1271_remove(struct sdio_func *func)
+{
+	struct wl1271_test *wl_test = sdio_get_drvdata(func);
+
+	/* stop the I/O test thread */
+	kthread_stop(wl_test->test_task);
+
+	/* power off the chip */
+	wl1271_power_off(&wl_test->wl);
+
+	vfree(wl_test->wl.fw);
+	wl_test->wl.fw = NULL;
+	kfree(wl_test->wl.nvs);
+	wl_test->wl.nvs = NULL;
+
+	kfree(wl_test);
+}
+
+static struct sdio_driver wl1271_sdio_driver = {
+	.name		= "wl12xx_sdio_test",
+	.id_table	= wl1271_devices,
+	.probe		= wl1271_probe,
+	.remove		= __devexit_p(wl1271_remove),
+};
+
+static int __init wl1271_init(void)
+{
+	int ret;
+
+	ret = sdio_register_driver(&wl1271_sdio_driver);
+	if (ret < 0)
+		pr_err("failed to register sdio driver: %d\n", ret);
+
+	return ret;
+}
+module_init(wl1271_init);
+
+static void __exit wl1271_exit(void)
+{
+	sdio_unregister_driver(&wl1271_sdio_driver);
+}
+module_exit(wl1271_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Roger Quadros <roger.quadros@nokia.com>");
+
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/spi.c
index ef801680773..46714910f98 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/spi.c
@@ -28,11 +28,11 @@
 #include <linux/wl12xx.h>
 #include <linux/slab.h>
 
-#include "wl1271.h"
+#include "wl12xx.h"
 #include "wl12xx_80211.h"
-#include "wl1271_io.h"
+#include "io.h"
 
-#include "wl1271_reg.h"
+#include "reg.h"
 
 #define WSPI_CMD_READ                 0x40000000
 #define WSPI_CMD_WRITE                0x00000000
diff --git a/drivers/net/wireless/wl12xx/wl1271_testmode.c b/drivers/net/wireless/wl12xx/testmode.c
index a3aa84386c8..e64403b6896 100644
--- a/drivers/net/wireless/wl12xx/wl1271_testmode.c
+++ b/drivers/net/wireless/wl12xx/testmode.c
@@ -20,13 +20,13 @@
  * 02110-1301 USA
  *
  */
-#include "wl1271_testmode.h"
+#include "testmode.h"
 
 #include <linux/slab.h>
 #include <net/genetlink.h>
 
-#include "wl1271.h"
-#include "wl1271_acx.h"
+#include "wl12xx.h"
+#include "acx.h"
 
 #define WL1271_TM_MAX_DATA_LENGTH 1024
 
@@ -37,6 +37,7 @@ enum wl1271_tm_commands {
 	WL1271_TM_CMD_CONFIGURE,
 	WL1271_TM_CMD_NVS_PUSH,
 	WL1271_TM_CMD_SET_PLT_MODE,
+	WL1271_TM_CMD_RECOVER,
 
 	__WL1271_TM_CMD_AFTER_LAST
 };
@@ -248,6 +249,15 @@ static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
 	return ret;
 }
 
+static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[])
+{
+	wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover");
+
+	ieee80211_queue_work(wl->hw, &wl->recovery_work);
+
+	return 0;
+}
+
 int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
 {
 	struct wl1271 *wl = hw->priv;
@@ -272,6 +282,8 @@ int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
 		return wl1271_tm_cmd_nvs_push(wl, tb);
 	case WL1271_TM_CMD_SET_PLT_MODE:
 		return wl1271_tm_cmd_set_plt_mode(wl, tb);
+	case WL1271_TM_CMD_RECOVER:
+		return wl1271_tm_cmd_recover(wl, tb);
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/net/wireless/wl12xx/wl1271_testmode.h b/drivers/net/wireless/wl12xx/testmode.h
index c196d28f9d9..8071654259e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_testmode.h
+++ b/drivers/net/wireless/wl12xx/testmode.h
@@ -21,8 +21,8 @@
  *
  */
 
-#ifndef __WL1271_TESTMODE_H__
-#define __WL1271_TESTMODE_H__
+#ifndef __TESTMODE_H__
+#define __TESTMODE_H__
 
 #include <net/mac80211.h>
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/tx.c
index e3dc13c4d01..b44c75cd8c1 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -24,23 +24,32 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 
-#include "wl1271.h"
-#include "wl1271_io.h"
-#include "wl1271_reg.h"
-#include "wl1271_ps.h"
-#include "wl1271_tx.h"
+#include "wl12xx.h"
+#include "io.h"
+#include "reg.h"
+#include "ps.h"
+#include "tx.h"
 
-static int wl1271_tx_id(struct wl1271 *wl, struct sk_buff *skb)
+static int wl1271_alloc_tx_id(struct wl1271 *wl, struct sk_buff *skb)
 {
-	int i;
-	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
-		if (wl->tx_frames[i] == NULL) {
-			wl->tx_frames[i] = skb;
-			wl->tx_frames_cnt++;
-			return i;
-		}
+	int id;
+
+	id = find_first_zero_bit(wl->tx_frames_map, ACX_TX_DESCRIPTORS);
+	if (id >= ACX_TX_DESCRIPTORS)
+		return -EBUSY;
 
-	return -EBUSY;
+	__set_bit(id, wl->tx_frames_map);
+	wl->tx_frames[id] = skb;
+	wl->tx_frames_cnt++;
+	return id;
+}
+
+static void wl1271_free_tx_id(struct wl1271 *wl, int id)
+{
+	if (__test_and_clear_bit(id, wl->tx_frames_map)) {
+		wl->tx_frames[id] = NULL;
+		wl->tx_frames_cnt--;
+	}
 }
 
 static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra,
@@ -52,10 +61,10 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra,
 	int id, ret = -EBUSY;
 
 	if (buf_offset + total_len > WL1271_AGGR_BUFFER_SIZE)
-		return -EBUSY;
+		return -EAGAIN;
 
 	/* allocate free identifier for the packet */
-	id = wl1271_tx_id(wl, skb);
+	id = wl1271_alloc_tx_id(wl, skb);
 	if (id < 0)
 		return id;
 
@@ -79,8 +88,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra,
 			     "tx_allocate: size: %d, blocks: %d, id: %d",
 			     total_len, total_blocks, id);
 	} else {
-		wl->tx_frames[id] = NULL;
-		wl->tx_frames_cnt--;
+		wl1271_free_tx_id(wl, id);
 	}
 
 	return ret;
@@ -117,7 +125,6 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
 	/* queue (we use same identifiers for tid's and ac's */
 	ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
 	desc->tid = ac;
-
 	desc->aid = TX_HW_DEFAULT_AID;
 	desc->reserved = 0;
 
@@ -201,42 +208,105 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set)
 		rate_set >>= 1;
 	}
 
+#ifdef CONFIG_WL12XX_HT
+	/* MCS rates indication are on bits 16 - 23 */
+	rate_set >>= HW_HT_RATES_OFFSET - band->n_bitrates;
+
+	for (bit = 0; bit < 8; bit++) {
+		if (rate_set & 0x1)
+			enabled_rates |= (CONF_HW_BIT_RATE_MCS_0 << bit);
+		rate_set >>= 1;
+	}
+#endif
+
 	return enabled_rates;
 }
 
-void wl1271_tx_work(struct work_struct *work)
+static void handle_tx_low_watermark(struct wl1271 *wl)
+{
+	unsigned long flags;
+
+	if (test_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags) &&
+	    wl->tx_queue_count <= WL1271_TX_QUEUE_LOW_WATERMARK) {
+		/* firmware buffer has space, restart queues */
+		spin_lock_irqsave(&wl->wl_lock, flags);
+		ieee80211_wake_queues(wl->hw);
+		clear_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
+		spin_unlock_irqrestore(&wl->wl_lock, flags);
+	}
+}
+
+static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
+{
+	struct sk_buff *skb = NULL;
+	unsigned long flags;
+
+	skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_VO]);
+	if (skb)
+		goto out;
+	skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_VI]);
+	if (skb)
+		goto out;
+	skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_BE]);
+	if (skb)
+		goto out;
+	skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_BK]);
+
+out:
+	if (skb) {
+		spin_lock_irqsave(&wl->wl_lock, flags);
+		wl->tx_queue_count--;
+		spin_unlock_irqrestore(&wl->wl_lock, flags);
+	}
+
+	return skb;
+}
+
+static void wl1271_skb_queue_head(struct wl1271 *wl, struct sk_buff *skb)
+{
+	unsigned long flags;
+	int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
+
+	skb_queue_head(&wl->tx_queue[q], skb);
+	spin_lock_irqsave(&wl->wl_lock, flags);
+	wl->tx_queue_count++;
+	spin_unlock_irqrestore(&wl->wl_lock, flags);
+}
+
+void wl1271_tx_work_locked(struct wl1271 *wl)
 {
-	struct wl1271 *wl = container_of(work, struct wl1271, tx_work);
 	struct sk_buff *skb;
 	bool woken_up = false;
 	u32 sta_rates = 0;
-	u32 buf_offset;
+	u32 buf_offset = 0;
+	bool sent_packets = false;
 	int ret;
 
 	/* check if the rates supported by the AP have changed */
 	if (unlikely(test_and_clear_bit(WL1271_FLAG_STA_RATES_CHANGED,
 					&wl->flags))) {
 		unsigned long flags;
+
 		spin_lock_irqsave(&wl->wl_lock, flags);
 		sta_rates = wl->sta_rate_set;
 		spin_unlock_irqrestore(&wl->wl_lock, flags);
 	}
 
-	mutex_lock(&wl->mutex);
-
 	if (unlikely(wl->state == WL1271_STATE_OFF))
 		goto out;
 
 	/* if rates have changed, re-configure the rate policy */
 	if (unlikely(sta_rates)) {
+		ret = wl1271_ps_elp_wakeup(wl, false);
+		if (ret < 0)
+			goto out;
+		woken_up = true;
+
 		wl->rate_set = wl1271_tx_enabled_rates_get(wl, sta_rates);
 		wl1271_acx_rate_policies(wl);
 	}
 
-	/* Prepare the transfer buffer, by aggregating all
-	 * available packets */
-	buf_offset = 0;
-	while ((skb = skb_dequeue(&wl->tx_queue))) {
+	while ((skb = wl1271_skb_dequeue(wl))) {
 		if (!woken_up) {
 			ret = wl1271_ps_elp_wakeup(wl, false);
 			if (ret < 0)
@@ -245,13 +315,25 @@ void wl1271_tx_work(struct work_struct *work)
 		}
 
 		ret = wl1271_prepare_tx_frame(wl, skb, buf_offset);
-		if (ret == -EBUSY) {
+		if (ret == -EAGAIN) {
+			/*
+			 * Aggregation buffer is full.
+			 * Flush buffer and try again.
+			 */
+			wl1271_skb_queue_head(wl, skb);
+			wl1271_write(wl, WL1271_SLV_MEM_DATA, wl->aggr_buf,
+				     buf_offset, true);
+			sent_packets = true;
+			buf_offset = 0;
+			continue;
+		} else if (ret == -EBUSY) {
 			/*
-			 * Either the firmware buffer is full, or the
-			 * aggregation buffer is.
+			 * Firmware buffer is full.
 			 * Queue back last skb, and stop aggregating.
 			 */
-			skb_queue_head(&wl->tx_queue, skb);
+			wl1271_skb_queue_head(wl, skb);
+			/* No work left, avoid scheduling redundant tx work */
+			set_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
 			goto out_ack;
 		} else if (ret < 0) {
 			dev_kfree_skb(skb);
@@ -265,14 +347,25 @@ out_ack:
 	if (buf_offset) {
 		wl1271_write(wl, WL1271_SLV_MEM_DATA, wl->aggr_buf,
 				buf_offset, true);
+		sent_packets = true;
+	}
+	if (sent_packets) {
 		/* interrupt the firmware with the new packets */
 		wl1271_write32(wl, WL1271_HOST_WR_ACCESS, wl->tx_packets_count);
+		handle_tx_low_watermark(wl);
 	}
 
 out:
 	if (woken_up)
 		wl1271_ps_elp_sleep(wl);
+}
 
+void wl1271_tx_work(struct work_struct *work)
+{
+	struct wl1271 *wl = container_of(work, struct wl1271, tx_work);
+
+	mutex_lock(&wl->mutex);
+	wl1271_tx_work_locked(wl);
 	mutex_unlock(&wl->mutex);
 }
 
@@ -298,7 +391,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
 	if (result->status == TX_SUCCESS) {
 		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
 			info->flags |= IEEE80211_TX_STAT_ACK;
-		rate = wl1271_rate_to_idx(wl, result->rate_class_index);
+		rate = wl1271_rate_to_idx(result->rate_class_index, wl->band);
 		retries = result->ack_failures;
 	} else if (result->status == TX_RETRY_EXCEEDED) {
 		wl->stats.excessive_retries++;
@@ -335,8 +428,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
 
 	/* return the packet to the stack */
 	ieee80211_tx_status(wl->hw, skb);
-	wl->tx_frames[result->id] = NULL;
-	wl->tx_frames_cnt--;
+	wl1271_free_tx_id(wl, result->id);
 }
 
 /* Called upon reception of a TX complete interrupt */
@@ -375,19 +467,6 @@ void wl1271_tx_complete(struct wl1271 *wl)
 
 		wl->tx_results_count++;
 	}
-
-	if (test_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags) &&
-	    skb_queue_len(&wl->tx_queue) <= WL1271_TX_QUEUE_LOW_WATERMARK) {
-		unsigned long flags;
-
-		/* firmware buffer has space, restart queues */
-		wl1271_debug(DEBUG_TX, "tx_complete: waking queues");
-		spin_lock_irqsave(&wl->wl_lock, flags);
-		ieee80211_wake_queues(wl->hw);
-		clear_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
-		spin_unlock_irqrestore(&wl->wl_lock, flags);
-		ieee80211_queue_work(wl->hw, &wl->tx_work);
-	}
 }
 
 /* caller must hold wl->mutex */
@@ -397,19 +476,27 @@ void wl1271_tx_reset(struct wl1271 *wl)
 	struct sk_buff *skb;
 
 	/* TX failure */
-	while ((skb = skb_dequeue(&wl->tx_queue))) {
-		wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb);
-		ieee80211_tx_status(wl->hw, skb);
+	for (i = 0; i < NUM_TX_QUEUES; i++) {
+		while ((skb = skb_dequeue(&wl->tx_queue[i]))) {
+			wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb);
+			ieee80211_tx_status(wl->hw, skb);
+		}
 	}
+	wl->tx_queue_count = 0;
+
+	/*
+	 * Make sure the driver is at a consistent state, in case this
+	 * function is called from a context other than interface removal.
+	 */
+	handle_tx_low_watermark(wl);
 
 	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		if (wl->tx_frames[i] != NULL) {
 			skb = wl->tx_frames[i];
-			wl->tx_frames[i] = NULL;
+			wl1271_free_tx_id(wl, i);
 			wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb);
 			ieee80211_tx_status(wl->hw, skb);
 		}
-	wl->tx_frames_cnt = 0;
 }
 
 #define WL1271_TX_FLUSH_TIMEOUT 500000
@@ -424,8 +511,7 @@ void wl1271_tx_flush(struct wl1271 *wl)
 		mutex_lock(&wl->mutex);
 		wl1271_debug(DEBUG_TX, "flushing tx buffer: %d",
 			     wl->tx_frames_cnt);
-		if ((wl->tx_frames_cnt == 0) &&
-		    skb_queue_empty(&wl->tx_queue)) {
+		if ((wl->tx_frames_cnt == 0) && (wl->tx_queue_count == 0)) {
 			mutex_unlock(&wl->mutex);
 			return;
 		}
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/tx.h
index d12a129ad11..903e5dc69b7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.h
+++ b/drivers/net/wireless/wl12xx/tx.h
@@ -22,8 +22,8 @@
  *
  */
 
-#ifndef __WL1271_TX_H__
-#define __WL1271_TX_H__
+#ifndef __TX_H__
+#define __TX_H__
 
 #define TX_HW_BLOCK_SPARE                2
 #define TX_HW_BLOCK_SIZE                 252
@@ -140,10 +140,11 @@ static inline int wl1271_tx_get_queue(int queue)
 }
 
 void wl1271_tx_work(struct work_struct *work);
+void wl1271_tx_work_locked(struct wl1271 *wl);
 void wl1271_tx_complete(struct wl1271 *wl);
 void wl1271_tx_reset(struct wl1271 *wl);
 void wl1271_tx_flush(struct wl1271 *wl);
-u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate);
+u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
 u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set);
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_debugfs.c b/drivers/net/wireless/wl12xx/wl1271_debugfs.c
deleted file mode 100644
index 66c2b90ddfd..00000000000
--- a/drivers/net/wireless/wl12xx/wl1271_debugfs.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/*
- * This file is part of wl1271
- *
- * Copyright (C) 2009 Nokia Corporation
- *
- * Contact: Luciano Coelho <luciano.coelho@nokia.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include "wl1271_debugfs.h"
-
-#include <linux/skbuff.h>
-#include <linux/slab.h>
-
-#include "wl1271.h"
-#include "wl1271_acx.h"
-#include "wl1271_ps.h"
-#include "wl1271_io.h"
-
-/* ms */
-#define WL1271_DEBUGFS_STATS_LIFETIME 1000
-
-/* debugfs macros idea from mac80211 */
-
-#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)		\
-static ssize_t name## _read(struct file *file, char __user *userbuf,	\
-			    size_t count, loff_t *ppos)			\
-{									\
-	struct wl1271 *wl = 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);	\
-}									\
-									\
-static const struct file_operations name## _ops = {			\
-	.read = name## _read,						\
-	.open = wl1271_open_file_generic,				\
-	.llseek	= generic_file_llseek,					\
-};
-
-#define DEBUGFS_ADD(name, parent)					\
-	wl->debugfs.name = debugfs_create_file(#name, 0400, parent,	\
-					       wl, &name## _ops);	\
-	if (IS_ERR(wl->debugfs.name)) {					\
-		ret = PTR_ERR(wl->debugfs.name);			\
-		wl->debugfs.name = NULL;				\
-		goto out;						\
-	}
-
-#define DEBUGFS_DEL(name)						\
-	do {								\
-		debugfs_remove(wl->debugfs.name);			\
-		wl->debugfs.name = NULL;				\
-	} while (0)
-
-#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt)			\
-static ssize_t sub## _ ##name## _read(struct file *file,		\
-				      char __user *userbuf,		\
-				      size_t count, loff_t *ppos)	\
-{									\
-	struct wl1271 *wl = file->private_data;				\
-	char buf[buflen];						\
-	int res;							\
-									\
-	wl1271_debugfs_update_stats(wl);				\
-									\
-	res = scnprintf(buf, buflen, fmt "\n",				\
-			wl->stats.fw_stats->sub.name);			\
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
-}									\
-									\
-static const struct file_operations sub## _ ##name## _ops = {		\
-	.read = sub## _ ##name## _read,					\
-	.open = wl1271_open_file_generic,				\
-	.llseek	= generic_file_llseek,					\
-};
-
-#define DEBUGFS_FWSTATS_ADD(sub, name)				\
-	DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
-
-#define DEBUGFS_FWSTATS_DEL(sub, name)				\
-	DEBUGFS_DEL(sub## _ ##name)
-
-static void wl1271_debugfs_update_stats(struct wl1271 *wl)
-{
-	int ret;
-
-	mutex_lock(&wl->mutex);
-
-	ret = wl1271_ps_elp_wakeup(wl, false);
-	if (ret < 0)
-		goto out;
-
-	if (wl->state == WL1271_STATE_ON &&
-	    time_after(jiffies, wl->stats.fw_stats_update +
-		       msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
-		wl1271_acx_statistics(wl, wl->stats.fw_stats);
-		wl->stats.fw_stats_update = jiffies;
-	}
-
-	wl1271_ps_elp_sleep(wl);
-
-out:
-	mutex_unlock(&wl->mutex);
-}
-
-static int wl1271_open_file_generic(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
-DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
-DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
-DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
-DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
-DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
-DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
-/* skipping wep.reserved */
-DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
-DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
-DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
-DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
-DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
-/* skipping cont_miss_bcns_spread for now */
-DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
-DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
-DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
-DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
-DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
-DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
-DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
-DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
-DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
-DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
-DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
-DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
-DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
-DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
-
-DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
-		     20, "%u");
-DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
-DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
-
-DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
-DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
-		      wl->stats.excessive_retries);
-
-static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
-				 size_t count, loff_t *ppos)
-{
-	struct wl1271 *wl = file->private_data;
-	u32 queue_len;
-	char buf[20];
-	int res;
-
-	queue_len = skb_queue_len(&wl->tx_queue);
-
-	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
-}
-
-static const struct file_operations tx_queue_len_ops = {
-	.read = tx_queue_len_read,
-	.open = wl1271_open_file_generic,
-	.llseek = default_llseek,
-};
-
-static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
-			  size_t count, loff_t *ppos)
-{
-	struct wl1271 *wl = file->private_data;
-	bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-
-	int res;
-	char buf[10];
-
-	res = scnprintf(buf, sizeof(buf), "%d\n", state);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
-}
-
-static ssize_t gpio_power_write(struct file *file,
-			   const char __user *user_buf,
-			   size_t count, loff_t *ppos)
-{
-	struct wl1271 *wl = file->private_data;
-	char buf[10];
-	size_t len;
-	unsigned long value;
-	int ret;
-
-	mutex_lock(&wl->mutex);
-
-	len = min(count, sizeof(buf) - 1);
-	if (copy_from_user(buf, user_buf, len)) {
-		ret = -EFAULT;
-		goto out;
-	}
-	buf[len] = '\0';
-
-	ret = strict_strtoul(buf, 0, &value);
-	if (ret < 0) {
-		wl1271_warning("illegal value in gpio_power");
-		goto out;
-	}
-
-	if (value)
-		wl1271_power_on(wl);
-	else
-		wl1271_power_off(wl);
-
-out:
-	mutex_unlock(&wl->mutex);
-	return count;
-}
-
-static const struct file_operations gpio_power_ops = {
-	.read = gpio_power_read,
-	.write = gpio_power_write,
-	.open = wl1271_open_file_generic,
-	.llseek = default_llseek,
-};
-
-static void wl1271_debugfs_delete_files(struct wl1271 *wl)
-{
-	DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
-
-	DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
-	DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
-	DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
-	DEBUGFS_FWSTATS_DEL(rx, dropped);
-	DEBUGFS_FWSTATS_DEL(rx, fcs_err);
-	DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
-	DEBUGFS_FWSTATS_DEL(rx, path_reset);
-	DEBUGFS_FWSTATS_DEL(rx, reset_counter);
-
-	DEBUGFS_FWSTATS_DEL(dma, rx_requested);
-	DEBUGFS_FWSTATS_DEL(dma, rx_errors);
-	DEBUGFS_FWSTATS_DEL(dma, tx_requested);
-	DEBUGFS_FWSTATS_DEL(dma, tx_errors);
-
-	DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
-	DEBUGFS_FWSTATS_DEL(isr, fiqs);
-	DEBUGFS_FWSTATS_DEL(isr, rx_headers);
-	DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
-	DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
-	DEBUGFS_FWSTATS_DEL(isr, irqs);
-	DEBUGFS_FWSTATS_DEL(isr, tx_procs);
-	DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
-	DEBUGFS_FWSTATS_DEL(isr, dma0_done);
-	DEBUGFS_FWSTATS_DEL(isr, dma1_done);
-	DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
-	DEBUGFS_FWSTATS_DEL(isr, commands);
-	DEBUGFS_FWSTATS_DEL(isr, rx_procs);
-	DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
-	DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
-	DEBUGFS_FWSTATS_DEL(isr, pci_pm);
-	DEBUGFS_FWSTATS_DEL(isr, wakeups);
-	DEBUGFS_FWSTATS_DEL(isr, low_rssi);
-
-	DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
-	DEBUGFS_FWSTATS_DEL(wep, default_key_count);
-	/* skipping wep.reserved */
-	DEBUGFS_FWSTATS_DEL(wep, key_not_found);
-	DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
-	DEBUGFS_FWSTATS_DEL(wep, packets);
-	DEBUGFS_FWSTATS_DEL(wep, interrupt);
-
-	DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
-	DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
-	DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
-	DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
-	DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
-	DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
-	DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
-	DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
-	DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
-	DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
-	DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
-	DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
-	/* skipping cont_miss_bcns_spread for now */
-	DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
-
-	DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
-	DEBUGFS_FWSTATS_DEL(mic, calc_failure);
-
-	DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
-	DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
-	DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
-	DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
-	DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
-	DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
-
-	DEBUGFS_FWSTATS_DEL(event, heart_beat);
-	DEBUGFS_FWSTATS_DEL(event, calibration);
-	DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
-	DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
-	DEBUGFS_FWSTATS_DEL(event, rx_pool);
-	DEBUGFS_FWSTATS_DEL(event, oom_late);
-	DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
-	DEBUGFS_FWSTATS_DEL(event, tx_stuck);
-
-	DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
-	DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
-	DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
-	DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
-	DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
-	DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
-	DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
-
-	DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
-	DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
-	DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
-	DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
-	DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
-
-	DEBUGFS_DEL(tx_queue_len);
-	DEBUGFS_DEL(retry_count);
-	DEBUGFS_DEL(excessive_retries);
-
-	DEBUGFS_DEL(gpio_power);
-}
-
-static int wl1271_debugfs_add_files(struct wl1271 *wl)
-{
-	int ret = 0;
-
-	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
-
-	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
-	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
-	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
-	DEBUGFS_FWSTATS_ADD(rx, dropped);
-	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
-	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
-	DEBUGFS_FWSTATS_ADD(rx, path_reset);
-	DEBUGFS_FWSTATS_ADD(rx, reset_counter);
-
-	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
-	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
-	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
-	DEBUGFS_FWSTATS_ADD(dma, tx_errors);
-
-	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
-	DEBUGFS_FWSTATS_ADD(isr, fiqs);
-	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
-	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
-	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
-	DEBUGFS_FWSTATS_ADD(isr, irqs);
-	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
-	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
-	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
-	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
-	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
-	DEBUGFS_FWSTATS_ADD(isr, commands);
-	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
-	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
-	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
-	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
-	DEBUGFS_FWSTATS_ADD(isr, wakeups);
-	DEBUGFS_FWSTATS_ADD(isr, low_rssi);
-
-	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
-	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
-	/* skipping wep.reserved */
-	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
-	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
-	DEBUGFS_FWSTATS_ADD(wep, packets);
-	DEBUGFS_FWSTATS_ADD(wep, interrupt);
-
-	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
-	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
-	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
-	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
-	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
-	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
-	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
-	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
-	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
-	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
-	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
-	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
-	/* skipping cont_miss_bcns_spread for now */
-	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
-
-	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
-	DEBUGFS_FWSTATS_ADD(mic, calc_failure);
-
-	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
-	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
-	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
-	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
-	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
-	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
-
-	DEBUGFS_FWSTATS_ADD(event, heart_beat);
-	DEBUGFS_FWSTATS_ADD(event, calibration);
-	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
-	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
-	DEBUGFS_FWSTATS_ADD(event, rx_pool);
-	DEBUGFS_FWSTATS_ADD(event, oom_late);
-	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
-	DEBUGFS_FWSTATS_ADD(event, tx_stuck);
-
-	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
-	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
-	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
-	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
-	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
-	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
-	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
-
-	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
-	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
-	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
-	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
-	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
-
-	DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
-	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
-	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
-
-	DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
-
-out:
-	if (ret < 0)
-		wl1271_debugfs_delete_files(wl);
-
-	return ret;
-}
-
-void wl1271_debugfs_reset(struct wl1271 *wl)
-{
-	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
-	wl->stats.retry_count = 0;
-	wl->stats.excessive_retries = 0;
-}
-
-int wl1271_debugfs_init(struct wl1271 *wl)
-{
-	int ret;
-
-	wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
-
-	if (IS_ERR(wl->debugfs.rootdir)) {
-		ret = PTR_ERR(wl->debugfs.rootdir);
-		wl->debugfs.rootdir = NULL;
-		goto err;
-	}
-
-	wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
-						       wl->debugfs.rootdir);
-
-	if (IS_ERR(wl->debugfs.fw_statistics)) {
-		ret = PTR_ERR(wl->debugfs.fw_statistics);
-		wl->debugfs.fw_statistics = NULL;
-		goto err_root;
-	}
-
-	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
-				      GFP_KERNEL);
-
-	if (!wl->stats.fw_stats) {
-		ret = -ENOMEM;
-		goto err_fw;
-	}
-
-	wl->stats.fw_stats_update = jiffies;
-
-	ret = wl1271_debugfs_add_files(wl);
-
-	if (ret < 0)
-		goto err_file;
-
-	return 0;
-
-err_file:
-	kfree(wl->stats.fw_stats);
-	wl->stats.fw_stats = NULL;
-
-err_fw:
-	debugfs_remove(wl->debugfs.fw_statistics);
-	wl->debugfs.fw_statistics = NULL;
-
-err_root:
-	debugfs_remove(wl->debugfs.rootdir);
-	wl->debugfs.rootdir = NULL;
-
-err:
-	return ret;
-}
-
-void wl1271_debugfs_exit(struct wl1271 *wl)
-{
-	wl1271_debugfs_delete_files(wl);
-
-	kfree(wl->stats.fw_stats);
-	wl->stats.fw_stats = NULL;
-
-	debugfs_remove(wl->debugfs.fw_statistics);
-	wl->debugfs.fw_statistics = NULL;
-
-	debugfs_remove(wl->debugfs.rootdir);
-	wl->debugfs.rootdir = NULL;
-
-}
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 8a4cd763e5a..9050dd9b62d 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -22,8 +22,8 @@
  *
  */
 
-#ifndef __WL1271_H__
-#define __WL1271_H__
+#ifndef __WL12XX_H__
+#define __WL12XX_H__
 
 #include <linux/mutex.h>
 #include <linux/completion.h>
@@ -32,8 +32,8 @@
 #include <linux/bitops.h>
 #include <net/mac80211.h>
 
-#include "wl1271_conf.h"
-#include "wl1271_ini.h"
+#include "conf.h"
+#include "ini.h"
 
 #define DRIVER_NAME "wl1271"
 #define DRIVER_PREFIX DRIVER_NAME ": "
@@ -60,31 +60,32 @@ enum {
 	DEBUG_ALL	= ~0,
 };
 
-#define DEBUG_LEVEL (DEBUG_NONE)
+extern u32 wl12xx_debug_level;
 
 #define DEBUG_DUMP_LIMIT 1024
 
 #define wl1271_error(fmt, arg...) \
-	printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
+	pr_err(DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
 
 #define wl1271_warning(fmt, arg...) \
-	printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
+	pr_warning(DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
 
 #define wl1271_notice(fmt, arg...) \
-	printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
+	pr_info(DRIVER_PREFIX fmt "\n", ##arg)
 
 #define wl1271_info(fmt, arg...) \
-	printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
+	pr_info(DRIVER_PREFIX fmt "\n", ##arg)
 
 #define wl1271_debug(level, fmt, arg...) \
 	do { \
-		if (level & DEBUG_LEVEL) \
-			printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
+		if (level & wl12xx_debug_level) \
+			pr_debug(DRIVER_PREFIX fmt "\n", ##arg); \
 	} while (0)
 
+/* TODO: use pr_debug_hex_dump when it will be available */
 #define wl1271_dump(level, prefix, buf, len)	\
 	do { \
-		if (level & DEBUG_LEVEL) \
+		if (level & wl12xx_debug_level) \
 			print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
 				       DUMP_PREFIX_OFFSET, 16, 1,	\
 				       buf,				\
@@ -94,7 +95,7 @@ enum {
 
 #define wl1271_dump_ascii(level, prefix, buf, len)	\
 	do { \
-		if (level & DEBUG_LEVEL) \
+		if (level & wl12xx_debug_level) \
 			print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
 				       DUMP_PREFIX_OFFSET, 16, 1,	\
 				       buf,				\
@@ -174,108 +175,6 @@ struct wl1271_stats {
 	unsigned int excessive_retries;
 };
 
-struct wl1271_debugfs {
-	struct dentry *rootdir;
-	struct dentry *fw_statistics;
-
-	struct dentry *tx_internal_desc_overflow;
-
-	struct dentry *rx_out_of_mem;
-	struct dentry *rx_hdr_overflow;
-	struct dentry *rx_hw_stuck;
-	struct dentry *rx_dropped;
-	struct dentry *rx_fcs_err;
-	struct dentry *rx_xfr_hint_trig;
-	struct dentry *rx_path_reset;
-	struct dentry *rx_reset_counter;
-
-	struct dentry *dma_rx_requested;
-	struct dentry *dma_rx_errors;
-	struct dentry *dma_tx_requested;
-	struct dentry *dma_tx_errors;
-
-	struct dentry *isr_cmd_cmplt;
-	struct dentry *isr_fiqs;
-	struct dentry *isr_rx_headers;
-	struct dentry *isr_rx_mem_overflow;
-	struct dentry *isr_rx_rdys;
-	struct dentry *isr_irqs;
-	struct dentry *isr_tx_procs;
-	struct dentry *isr_decrypt_done;
-	struct dentry *isr_dma0_done;
-	struct dentry *isr_dma1_done;
-	struct dentry *isr_tx_exch_complete;
-	struct dentry *isr_commands;
-	struct dentry *isr_rx_procs;
-	struct dentry *isr_hw_pm_mode_changes;
-	struct dentry *isr_host_acknowledges;
-	struct dentry *isr_pci_pm;
-	struct dentry *isr_wakeups;
-	struct dentry *isr_low_rssi;
-
-	struct dentry *wep_addr_key_count;
-	struct dentry *wep_default_key_count;
-	/* skipping wep.reserved */
-	struct dentry *wep_key_not_found;
-	struct dentry *wep_decrypt_fail;
-	struct dentry *wep_packets;
-	struct dentry *wep_interrupt;
-
-	struct dentry *pwr_ps_enter;
-	struct dentry *pwr_elp_enter;
-	struct dentry *pwr_missing_bcns;
-	struct dentry *pwr_wake_on_host;
-	struct dentry *pwr_wake_on_timer_exp;
-	struct dentry *pwr_tx_with_ps;
-	struct dentry *pwr_tx_without_ps;
-	struct dentry *pwr_rcvd_beacons;
-	struct dentry *pwr_power_save_off;
-	struct dentry *pwr_enable_ps;
-	struct dentry *pwr_disable_ps;
-	struct dentry *pwr_fix_tsf_ps;
-	/* skipping cont_miss_bcns_spread for now */
-	struct dentry *pwr_rcvd_awake_beacons;
-
-	struct dentry *mic_rx_pkts;
-	struct dentry *mic_calc_failure;
-
-	struct dentry *aes_encrypt_fail;
-	struct dentry *aes_decrypt_fail;
-	struct dentry *aes_encrypt_packets;
-	struct dentry *aes_decrypt_packets;
-	struct dentry *aes_encrypt_interrupt;
-	struct dentry *aes_decrypt_interrupt;
-
-	struct dentry *event_heart_beat;
-	struct dentry *event_calibration;
-	struct dentry *event_rx_mismatch;
-	struct dentry *event_rx_mem_empty;
-	struct dentry *event_rx_pool;
-	struct dentry *event_oom_late;
-	struct dentry *event_phy_transmit_error;
-	struct dentry *event_tx_stuck;
-
-	struct dentry *ps_pspoll_timeouts;
-	struct dentry *ps_upsd_timeouts;
-	struct dentry *ps_upsd_max_sptime;
-	struct dentry *ps_upsd_max_apturn;
-	struct dentry *ps_pspoll_max_apturn;
-	struct dentry *ps_pspoll_utilization;
-	struct dentry *ps_upsd_utilization;
-
-	struct dentry *rxpipe_rx_prep_beacon_drop;
-	struct dentry *rxpipe_descr_host_int_trig_rx_data;
-	struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
-	struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
-	struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
-
-	struct dentry *tx_queue_len;
-
-	struct dentry *retry_count;
-	struct dentry *excessive_retries;
-	struct dentry *gpio_power;
-};
-
 #define NUM_TX_QUEUES              4
 #define NUM_RX_PKT_DESC            8
 
@@ -351,6 +250,7 @@ struct wl1271 {
 #define WL1271_FLAG_IDLE_REQUESTED    (11)
 #define WL1271_FLAG_PSPOLL_FAILURE    (12)
 #define WL1271_FLAG_STA_STATE_SENT    (13)
+#define WL1271_FLAG_FW_TX_BUSY        (14)
 	unsigned long flags;
 
 	struct wl1271_partition_set part;
@@ -392,11 +292,13 @@ struct wl1271 {
 	int session_counter;
 
 	/* Frames scheduled for transmission, not handled yet */
-	struct sk_buff_head tx_queue;
+	struct sk_buff_head tx_queue[NUM_TX_QUEUES];
+	int tx_queue_count;
 
 	struct work_struct tx_work;
 
 	/* Pending TX frames */
+	unsigned long tx_frames_map[BITS_TO_LONGS(ACX_TX_DESCRIPTORS)];
 	struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
 	int tx_frames_cnt;
 
@@ -429,10 +331,18 @@ struct wl1271 {
 	struct wl1271_scan scan;
 	struct delayed_work scan_complete_work;
 
+	/* probe-req template for the current AP */
+	struct sk_buff *probereq;
+
 	/* Our association ID */
 	u16 aid;
 
-	/* currently configured rate set */
+	/*
+	 * currently configured rate set:
+	 *	bits  0-15 - 802.11abg rates
+	 *	bits 16-23 - 802.11n   MCS index mask
+	 * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
+	 */
 	u32 sta_rate_set;
 	u32 basic_rate_set;
 	u32 basic_rate;
@@ -468,7 +378,7 @@ struct wl1271 {
 	int last_rssi_event;
 
 	struct wl1271_stats stats;
-	struct wl1271_debugfs debugfs;
+	struct dentry *rootdir;
 
 	__le32 buffer_32;
 	u32 buffer_cmd;
@@ -506,7 +416,11 @@ int wl1271_plt_stop(struct wl1271 *wl);
 
 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
    on in case is has been shut down shortly before */
-#define WL1271_PRE_POWER_ON_SLEEP 20 /* in miliseconds */
-#define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */
+#define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
+#define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
+
+/* Macros to handle wl1271.sta_rate_set */
+#define HW_BG_RATES_MASK	0xffff
+#define HW_HT_RATES_OFFSET	16
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl12xx_80211.h b/drivers/net/wireless/wl12xx/wl12xx_80211.h
index 18462802721..be21032f4dc 100644
--- a/drivers/net/wireless/wl12xx/wl12xx_80211.h
+++ b/drivers/net/wireless/wl12xx/wl12xx_80211.h
@@ -2,6 +2,7 @@
 #define __WL12XX_80211_H__
 
 #include <linux/if_ether.h>	/* ETH_ALEN */
+#include <linux/if_arp.h>
 
 /* RATES */
 #define IEEE80211_CCK_RATE_1MB		        0x02
@@ -133,11 +134,17 @@ struct wl12xx_qos_null_data_template {
 	__le16 qos_ctl;
 } __packed;
 
-struct wl12xx_probe_req_template {
-	struct ieee80211_header header;
-	struct wl12xx_ie_ssid ssid;
-	struct wl12xx_ie_rates rates;
-	struct wl12xx_ie_rates ext_rates;
+struct wl12xx_arp_rsp_template {
+	struct ieee80211_hdr_3addr hdr;
+
+	u8 llc_hdr[sizeof(rfc1042_header)];
+	u16 llc_type;
+
+	struct arphdr arp_hdr;
+	u8 sender_hw[ETH_ALEN];
+	u32 sender_ip;
+	u8 target_hw[ETH_ALEN];
+	u32 target_ip;
 } __packed;