diff -Naur backports-3.18.1-1.org/drivers/net/wireless/Kconfig backports-3.18.1-1/drivers/net/wireless/Kconfig
--- backports-3.18.1-1.org/drivers/net/wireless/Kconfig	2014-12-21 22:37:15.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/Kconfig	2014-12-29 20:37:43.945764119 +0100
@@ -55,6 +55,14 @@
 	---help---
 	  A driver for Marvell Libertas 8388 USB devices using thinfirm.
 
+config LIBERTAS_UAP
+	tristate "Marvell 8xxx Libertas UAP"
+	depends on MAC80211
+	depends on MMC
+	select FW_LOADER
+	---help---
+	  Driver for Marvell Libertas 8xxx micro AP.
+
 config AIRO
 	depends on n
 	tristate "Cisco/Aironet 34X/35X/4500/4800 ISA and PCI cards"
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/Makefile backports-3.18.1-1/drivers/net/wireless/libertas_uap/Makefile
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/Makefile	2014-12-29 20:41:50.975778546 +0100
@@ -0,0 +1,6 @@
+obj-$(CPTCFG_LIBERTAS_UAP) += uap8xxx.o
+
+uap8xxx-y += uap_main.o uap_sdio_mmc.o
+uap8xxx-$(CPTCFG_PROC_FS) += uap_proc.o uap_debug.o
+
+EXTRA_CFLAGS += -DFPNUM='"52"' -DPXA3XX_DMA_ALIGN -DDEBUG_LEVEL1
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_debug.c backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_debug.c
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_debug.c	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_debug.c	2014-12-29 20:37:43.949097590 +0100
@@ -0,0 +1,260 @@
+/** @file uap_debug.c
+  * @brief This file contains functions for debug proc file.
+  *
+  * Copyright (C) 2008-2009, Marvell International Ltd.
+  *
+  * This software file (the "File") is distributed by Marvell International
+  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+  * (the "License").  You may use, redistribute and/or modify this File in
+  * accordance with the terms and conditions of the License, a copy of which
+  * is available along with the File in the gpl.txt file or by writing to
+  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+  * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+  *
+  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+  * this warranty disclaimer.
+  *
+  */
+#ifdef CONFIG_PROC_FS
+#include  "uap_headers.h"
+
+/********************************************************
+		Local Variables
+********************************************************/
+
+#define item_size(n) (sizeof ((uap_adapter *)0)->n)
+#define item_addr(n) ((u32) &((uap_adapter *)0)->n)
+
+#define item_dbg_size(n) (sizeof (((uap_adapter *)0)->dbg.n))
+#define item_dbg_addr(n) ((u32) &(((uap_adapter *)0)->dbg.n))
+
+#define item_dev_size(n) (sizeof ((uap_dev_t *)0)->n)
+#define item_dev_addr(n) ((u32) &((uap_dev_t *)0)->n)
+
+/** MicroAp device offset */
+#define OFFSET_UAP_DEV		0x01
+/** Bluetooth adapter offset */
+#define OFFSET_UAP_ADAPTER	0x02
+
+struct debug_data
+{
+    /** Name */
+    char name[32];
+    /** Size */
+    u32 size;
+    /** Address */
+    u32 addr;
+    /** Offset */
+    u32 offset;
+    /** Flag */
+    u32 flag;
+};
+
+/* To debug any member of uap_adapter, simply add one line here.
+ */
+static struct debug_data items[] = {
+    {"cmd_sent", item_dev_size(cmd_sent), 0, item_dev_addr(cmd_sent),
+     OFFSET_UAP_DEV},
+    {"data_sent", item_dev_size(data_sent), 0, item_dev_addr(data_sent),
+     OFFSET_UAP_DEV},
+    {"IntCounter", item_size(IntCounter), 0, item_addr(IntCounter),
+     OFFSET_UAP_ADAPTER},
+    {"cmd_pending", item_size(cmd_pending), 0, item_addr(cmd_pending),
+     OFFSET_UAP_ADAPTER},
+    {"num_cmd_h2c_fail", item_dbg_size(num_cmd_host_to_card_failure), 0,
+     item_dbg_addr(num_cmd_host_to_card_failure), OFFSET_UAP_ADAPTER},
+    {"num_tx_h2c_fail", item_dbg_size(num_tx_host_to_card_failure), 0,
+     item_dbg_addr(num_tx_host_to_card_failure), OFFSET_UAP_ADAPTER},
+    {"psmode", item_size(psmode), 0, item_addr(psmode), OFFSET_UAP_ADAPTER},
+    {"ps_state", item_size(ps_state), 0, item_addr(ps_state),
+     OFFSET_UAP_ADAPTER},
+#ifdef DEBUG_LEVEL1
+    {"drvdbg", sizeof(drvdbg), (u32) & drvdbg, 0, 0}
+#endif
+};
+
+static int num_of_items = sizeof(items) / sizeof(items[0]);
+
+/********************************************************
+		Global Variables
+********************************************************/
+
+/********************************************************
+		Local Functions
+********************************************************/
+/**
+ *  @brief proc read function
+ *
+ *  @param page	   pointer to buffer
+ *  @param s       read data starting position
+ *  @param off     offset
+ *  @param cnt     counter
+ *  @param eof     end of file flag
+ *  @param data    data to output
+ *  @return 	   number of output data
+ */
+static int uap_debug_proc_show(struct seq_file *s, void *data) {
+    int val = 0;
+    int i;
+
+    struct debug_data *d = (struct debug_data *)s->private;
+
+    if (MODULE_GET == 0)
+        return UAP_STATUS_FAILURE;
+
+    for (i = 0; i < num_of_items; i++) {
+        if (d[i].size == 1)
+            val = *((u8 *) d[i].addr);
+        else if (d[i].size == 2)
+            val = *((u16 *) d[i].addr);
+        else if (d[i].size == 4)
+            val = *((u32 *) d[i].addr);
+
+        seq_printf(s, "%s=%d\n", d[i].name, val);
+    }
+    MODULE_PUT;
+    return 0;
+}
+
+static int uap_debug_proc_open(struct inode* inode, struct file* file) {
+	return single_open(file, uap_debug_proc_show, PDE_DATA(inode));
+}
+
+/**
+ *  @brief proc write function
+ *
+ *  @param f	   file pointer
+ *  @param buf     pointer to data buffer
+ *  @param cnt     data number to write
+ *  @param data    data to write
+ *  @return 	   number of data
+ */
+static ssize_t uap_debug_proc_write(struct file *f, const char __user *buf, size_t cnt, loff_t *data) {
+    int r, i;
+    char *pdata;
+    char *p;
+    char *p0;
+    char *p1;
+    char *p2;
+    struct debug_data *d = (struct debug_data *)PDE_DATA(file_inode(f));
+
+    if (MODULE_GET == 0)
+        return UAP_STATUS_FAILURE;
+
+    pdata = (char *) kmalloc(cnt, GFP_KERNEL);
+    if (pdata == NULL) {
+        MODULE_PUT;
+        return 0;
+    }
+
+    if (copy_from_user(pdata, buf, cnt)) {
+        PRINTM(INFO, "Copy from user failed\n");
+        kfree(pdata);
+        MODULE_PUT;
+        return 0;
+    }
+
+    p0 = pdata;
+    for (i = 0; i < num_of_items; i++) {
+        do {
+            p = strstr(p0, d[i].name);
+            if (p == NULL)
+                break;
+            p1 = strchr(p, '\n');
+            if (p1 == NULL)
+                break;
+            p0 = p1++;
+            p2 = strchr(p, '=');
+            if (!p2)
+                break;
+            p2++;
+            r = string_to_number(p2);
+            if (d[i].size == 1)
+                *((u8 *) d[i].addr) = (u8) r;
+            else if (d[i].size == 2)
+                *((u16 *) d[i].addr) = (u16) r;
+            else if (d[i].size == 4)
+                *((u32 *) d[i].addr) = (u32) r;
+            break;
+        } while (TRUE);
+    }
+    kfree(pdata);
+#ifdef DEBUG_LEVEL1
+    printk(KERN_ALERT "drvdbg = 0x%x\n", drvdbg);
+    printk(KERN_ALERT "INFO  (%08lx) %s\n", DBG_INFO,
+           (drvdbg & DBG_INFO) ? "X" : "");
+    printk(KERN_ALERT "WARN  (%08lx) %s\n", DBG_WARN,
+           (drvdbg & DBG_WARN) ? "X" : "");
+    printk(KERN_ALERT "ENTRY (%08lx) %s\n", DBG_ENTRY,
+           (drvdbg & DBG_ENTRY) ? "X" : "");
+    printk(KERN_ALERT "CMD_D (%08lx) %s\n", DBG_CMD_D,
+           (drvdbg & DBG_CMD_D) ? "X" : "");
+    printk(KERN_ALERT "DAT_D (%08lx) %s\n", DBG_DAT_D,
+           (drvdbg & DBG_DAT_D) ? "X" : "");
+    printk(KERN_ALERT "CMND  (%08lx) %s\n", DBG_CMND,
+           (drvdbg & DBG_CMND) ? "X" : "");
+    printk(KERN_ALERT "DATA  (%08lx) %s\n", DBG_DATA,
+           (drvdbg & DBG_DATA) ? "X" : "");
+    printk(KERN_ALERT "ERROR (%08lx) %s\n", DBG_ERROR,
+           (drvdbg & DBG_ERROR) ? "X" : "");
+    printk(KERN_ALERT "FATAL (%08lx) %s\n", DBG_FATAL,
+           (drvdbg & DBG_FATAL) ? "X" : "");
+    printk(KERN_ALERT "MSG   (%08lx) %s\n", DBG_MSG,
+           (drvdbg & DBG_MSG) ? "X" : "");
+#endif
+    MODULE_PUT;
+    return cnt;
+}
+
+static const struct file_operations uap_debug_proc_fops = {
+	.owner   = THIS_MODULE,
+	.open    = uap_debug_proc_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = single_release,
+	.write   = uap_debug_proc_write,
+};
+
+/********************************************************
+		Global Functions
+********************************************************/
+/**
+ *  @brief create debug proc file
+ *
+ *  @param priv	   pointer uap_private
+ *  @param dev     pointer net_device
+ *  @return 	   N/A
+ */
+void
+uap_debug_entry(uap_private * priv, struct net_device *dev)
+{
+    int i;
+
+    if (priv->proc_entry == NULL)
+        return;
+
+    for (i = 0; i < num_of_items; i++) {
+        if (items[i].flag & OFFSET_UAP_ADAPTER)
+            items[i].addr = items[i].offset + (u32) priv->adapter;
+        if (items[i].flag & OFFSET_UAP_DEV)
+            items[i].addr = items[i].offset + (u32) & priv->uap_dev;
+    }
+    proc_create_data("debug", 0644, priv->proc_entry, &uap_debug_proc_fops,
+	&items[0]);
+}
+
+/**
+ *  @brief remove proc file
+ *
+ *  @param priv	   pointer uap_private
+ *  @return 	   N/A
+ */
+void
+uap_debug_remove(uap_private * priv)
+{
+    remove_proc_entry("debug", priv->proc_entry);
+}
+
+#endif
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_drv.h backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_drv.h
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_drv.h	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_drv.h	2014-12-29 20:37:43.949097590 +0100
@@ -0,0 +1,667 @@
+/** @file uap_drv.h
+  * @brief This file contains Linux OS related definitions and
+  * declarations, uAP driver
+  *
+  * Copyright (C) 2008-2009, Marvell International Ltd.
+  *
+  * This software file (the "File") is distributed by Marvell International
+  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+  * (the "License").  You may use, redistribute and/or modify this File in
+  * accordance with the terms and conditions of the License, a copy of which
+  * is available along with the File in the gpl.txt file or by writing to
+  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+  * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+  *
+  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+  * this warranty disclaimer.
+  *
+  */
+
+#ifndef _UAP_DRV_H
+#define _UAP_DRV_H
+
+/** Driver release version */
+#define DRIVER_VERSION		"26146"
+
+/** True */
+#ifndef	TRUE
+#define TRUE			1
+#endif
+/** False */
+#ifndef	FALSE
+#define	FALSE			0
+#endif
+
+/** Bit definitions */
+#ifndef BIT
+#define BIT(x)	(1UL << (x))
+#endif
+
+/** Dma addresses are 32-bits wide.  */
+#ifndef __ATTRIB_ALIGN__
+#define __ATTRIB_ALIGN__ __attribute__((aligned(4)))
+#endif
+
+/**  attribute pack */
+#ifndef __ATTRIB_PACK__
+#define __ATTRIB_PACK__ __attribute__ ((packed))
+#endif
+
+/** Debug Macro definition*/
+#ifdef	DEBUG_LEVEL1
+
+extern u32 drvdbg;
+
+/** Debug message control bit definition for drvdbg */
+/** Debug message */
+#define	DBG_MSG		BIT(0)
+/** Debug fatal message */
+#define DBG_FATAL	BIT(1)
+/** Debug error message */
+#define DBG_ERROR	BIT(2)
+/** Debug data message */
+#define DBG_DATA	BIT(3)
+/** Debug command message */
+#define DBG_CMND	BIT(4)
+
+/** Debug data */
+#define DBG_DAT_D	BIT(16)
+/** Debug command */
+#define DBG_CMD_D	BIT(17)
+
+/** Debug entry */
+#define DBG_ENTRY	BIT(28)
+/** Debug warning */
+#define DBG_WARN	BIT(29)
+/** Debug info */
+#define DBG_INFO	BIT(30)
+
+/** Print info */
+#define	PRINTM_INFO(msg...)  {if (drvdbg & DBG_INFO) printk(KERN_DEBUG msg);}
+/** Print warn message */
+#define	PRINTM_WARN(msg...)  {if (drvdbg & DBG_WARN) printk(KERN_DEBUG msg);}
+/** Print entry */
+#define	PRINTM_ENTRY(msg...) {if (drvdbg & DBG_ENTRY) printk(KERN_DEBUG msg);}
+/** Print cmd_d */
+#define	PRINTM_CMD_D(msg...) {if (drvdbg & DBG_CMD_D) printk(KERN_DEBUG msg);}
+/** Print data_d */
+#define	PRINTM_DAT_D(msg...) {if (drvdbg & DBG_DAT_D) printk(KERN_DEBUG msg);}
+/** Print command */
+#define	PRINTM_CMND(msg...)  {if (drvdbg & DBG_CMND) printk(KERN_DEBUG msg);}
+/** Print data */
+#define	PRINTM_DATA(msg...)  {if (drvdbg & DBG_DATA) printk(KERN_DEBUG msg);}
+/** Print error message */
+#define	PRINTM_ERROR(msg...) {if (drvdbg & DBG_ERROR) printk(KERN_DEBUG msg);}
+/** Print fatal message */
+#define	PRINTM_FATAL(msg...) {if (drvdbg & DBG_FATAL) printk(KERN_DEBUG msg);}
+/** Print message */
+#define	PRINTM_MSG(msg...)   {if (drvdbg & DBG_MSG) printk(KERN_ALERT msg);}
+/** Print level */
+#define	PRINTM(level,msg...) PRINTM_##level(msg)
+
+#else
+
+#define	PRINTM(level,msg...) do {} while (0)
+
+#endif /* DEBUG_LEVEL1 */
+
+/** Wait until a condition becomes true */
+#define ASSERT(cond)						\
+do {								\
+	if (!(cond))						\
+		PRINTM(INFO, "ASSERT: %s, %s:%i\n",		\
+		       __FUNCTION__, __FILE__, __LINE__);	\
+} while(0)
+
+/** Log enrty point for debugging */
+#define	ENTER()			PRINTM(ENTRY, "Enter: %s, %s:%i\n", __FUNCTION__, \
+							__FILE__, __LINE__)
+/** Log exit point for debugging */
+#define	LEAVE()			PRINTM(ENTRY, "Leave: %s, %s:%i\n", __FUNCTION__, \
+							__FILE__, __LINE__)
+
+#ifdef	DEBUG_LEVEL1
+/** Dump buffer length */
+#define DBG_DUMP_BUF_LEN    64
+/** Maximum dump per line */
+#define MAX_DUMP_PER_LINE   16
+/** Data dump length */
+#define DATA_DUMP_LEN       32
+
+static inline void
+hexdump(char *prompt, u8 * buf, int len)
+{
+    int i;
+    char dbgdumpbuf[DBG_DUMP_BUF_LEN];
+    char *ptr = dbgdumpbuf;
+
+    printk(KERN_DEBUG "%s:\n", prompt);
+    for (i = 1; i <= len; i++) {
+        ptr += sprintf(ptr, "%02x ", *buf);
+        buf++;
+        if (i % MAX_DUMP_PER_LINE == 0) {
+            *ptr = 0;
+            printk(KERN_DEBUG "%s\n", dbgdumpbuf);
+            ptr = dbgdumpbuf;
+        }
+    }
+    if (len % MAX_DUMP_PER_LINE) {
+        *ptr = 0;
+        printk(KERN_DEBUG "%s\n", dbgdumpbuf);
+    }
+}
+
+/** Debug command */
+#define DBG_HEXDUMP_CMD_D(x,y,z)    {if (drvdbg & DBG_CMD_D) hexdump(x,y,z);}
+/** Debug data */
+#define DBG_HEXDUMP_DAT_D(x,y,z)    {if (drvdbg & DBG_DAT_D) hexdump(x,y,z);}
+/** Debug hexdump */
+#define	DBG_HEXDUMP(level,x,y,z)    DBG_HEXDUMP_##level(x,y,z)
+/** hexdump */
+#define HEXDUMP(x,y,z)              {if (drvdbg & DBG_INFO) hexdump(x,y,z);}
+#else
+/** Do nothing since debugging is not turned on */
+#define DBG_HEXDUMP(level,x,y,z)    do {} while (0)
+/** Do nothing since debugging is not turned on */
+#define HEXDUMP(x,y,z)              do {} while (0)
+#endif
+
+/**
+ * Typedefs
+ */
+/** Unsigned char */
+typedef u8 BOOLEAN;
+
+/*
+ * OS macro definitions
+ */
+/** OS macro to get time */
+#define os_time_get()	jiffies
+
+/** OS macro to update transfer start time */
+#define UpdateTransStart(dev) { \
+	dev->trans_start = jiffies; \
+}
+
+/** Try to get a reference to the module */
+#define MODULE_GET	try_module_get(THIS_MODULE)
+/** Decrease module reference count */
+#define MODULE_PUT	module_put(THIS_MODULE)
+
+/** OS macro to initialize semaphore */
+#define OS_INIT_SEMAPHORE(x)	sema_init(x,1)
+/** OS macro to acquire blocking semaphore */
+#define OS_ACQ_SEMAPHORE_BLOCK(x)	down_interruptible(x)
+/** OS macro to acquire non-blocking semaphore */
+#define OS_ACQ_SEMAPHORE_NOBLOCK(x)	down_trylock(x)
+/** OS macro to release semaphore */
+#define OS_REL_SEMAPHORE(x)		up(x)
+
+static inline void
+os_sched_timeout(u32 millisec)
+{
+    set_current_state(TASK_INTERRUPTIBLE);
+    schedule_timeout((millisec * HZ) / 1000);
+}
+
+/** Maximum size of ethernet packet */
+#define MRVDRV_MAXIMUM_ETH_PACKET_SIZE	1514
+
+/** Maximum size of multicast list */
+#define MRVDRV_MAX_MULTICAST_LIST_SIZE	32
+
+/** Find minimum */
+#ifndef MIN
+#define MIN(a,b)		((a) < (b) ? (a) : (b))
+#endif
+
+/** Find maximum */
+#ifndef MAX
+#define MAX(a,b)		((a) > (b) ? (a) : (b))
+#endif
+
+/** Find number of elements */
+#ifndef NELEMENTS
+#define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
+#endif
+
+/** Buffer Constants */
+
+/** Size of command buffer */
+#define MRVDRV_SIZE_OF_CMD_BUFFER       (2 * 1024)
+
+/** Length of device length */
+#define DEV_NAME_LEN			32
+
+/** Length of ethernet address */
+#ifndef	ETH_ALEN
+#define ETH_ALEN			6
+#endif
+
+/** Default watchdog timeout */
+#define MRVDRV_DEFAULT_WATCHDOG_TIMEOUT (2 * HZ)
+
+/** Success */
+#define UAP_STATUS_SUCCESS         (0)
+/** Failure */
+#define UAP_STATUS_FAILURE         (-1)
+/** Not accepted */
+#define UAP_STATUS_NOT_ACCEPTED    (-2)
+
+/** Max loop count (* 100ms) for waiting device ready at init time */
+#define MAX_WAIT_DEVICE_READY_COUNT	50
+
+/** Tx high watermark. Stop Tx queue after this is crossed */
+#define TX_HIGH_WATERMARK   4
+/** Tx low watermark. Restart Tx queue after this is crossed */
+#define TX_LOW_WATERMARK    2
+
+/** Netlink protocol number */
+#define NETLINK_MARVELL     (MAX_LINKS - 1)
+/** Netlink maximum payload size */
+#define NL_MAX_PAYLOAD      1024
+/** Netlink multicast group number */
+#define NL_MULTICAST_GROUP  1
+
+/** 20 seconds */
+#define MRVDRV_TIMER_20S		20000
+
+/** Host Command option for wait till Send */
+#define HostCmd_OPTION_WAITFORSEND            0x0001
+/** Host Command option for wait for RSP */
+#define HostCmd_OPTION_WAITFORRSP             0x0002
+/** Host Command option for wait for RSP or Timeout */
+#define HostCmd_OPTION_WAITFORRSP_TIMEOUT     0x0003
+/** Host Command option for wait for RSP of sleep confirm */
+#define HostCmd_OPTION_WAITFORRSP_SLEEPCONFIRM   0x0004
+
+/** Sleep until a condition gets true or a timeout elapses */
+#define os_wait_interruptible_timeout(waitq, cond, timeout) \
+	wait_event_interruptible_timeout(waitq, cond, ((timeout) * HZ / 1000))
+
+/** Private command ID to Host command */
+#define	UAPHOSTCMD			(SIOCDEVPRIVATE + 1)
+
+/** Private command ID to Power Mode */
+#define	UAP_POWER_MODE			(SIOCDEVPRIVATE + 3)
+/** sleep_param */
+typedef struct _ps_sleep_param
+{
+    /** control bitmap */
+    u32 ctrl_bitmap;
+    /** minimum sleep period (micro second) */
+    u32 min_sleep;
+    /** maximum sleep period (micro second) */
+    u32 max_sleep;
+} ps_sleep_param;
+
+/** inactivity sleep_param */
+typedef struct _inact_sleep_param
+{
+    /** inactivity timeout (micro second) */
+    u32 inactivity_to;
+    /** miniumu awake period (micro second) */
+    u32 min_awake;
+    /** maximum awake period (micro second) */
+    u32 max_awake;
+} inact_sleep_param;
+
+/** flag for ps mode */
+#define PS_FLAG_PS_MODE                 1
+/** flag for sleep param */
+#define PS_FLAG_SLEEP_PARAM             2
+/** flag for inactivity sleep param */
+#define PS_FLAG_INACT_SLEEP_PARAM       4
+
+/** Disable power mode */
+#define PS_MODE_DISABLE                      0
+/** Enable periodic dtim ps */
+#define PS_MODE_PERIODIC_DTIM                1
+/** Enable inactivity ps */
+#define PS_MODE_INACTIVITY                   2
+
+/** sleep parameter */
+#define SLEEP_PARAMETER                     1
+/** inactivity sleep parameter */
+#define INACTIVITY_SLEEP_PARAMETER          2
+/** ps_mgmt */
+typedef struct _ps_mgmt
+{
+    /** flags for valid field */
+    u16 flags;
+    /** power mode */
+    u16 ps_mode;
+    /** sleep param */
+    ps_sleep_param sleep_param;
+    /** inactivity sleep param */
+    inact_sleep_param inact_param;
+} ps_mgmt;
+
+/** Semaphore structure */
+typedef struct semaphore SEMAPHORE;
+
+/** Global Varibale Declaration */
+/** Private data structure of the device */
+typedef struct _uap_private uap_private;
+/** Adapter data structure of the device */
+typedef struct _uap_adapter uap_adapter;
+/** private structure */
+extern uap_private *uappriv;
+
+/** ENUM definition*/
+
+/** Hardware status codes */
+typedef enum _HARDWARE_STATUS
+{
+    HWReady,
+    HWInitializing,
+    HWReset,
+    HWClosing,
+    HWNotReady
+} HARDWARE_STATUS;
+
+/** info for debug purpose */
+typedef struct _uap_dbg
+{
+        /** Number of host to card command failures */
+    u32 num_cmd_host_to_card_failure;
+        /** Number of host to card Tx failures */
+    u32 num_tx_host_to_card_failure;
+} uap_dbg;
+
+/** Set thread state */
+#define OS_SET_THREAD_STATE(x)		set_current_state(x)
+
+typedef struct
+{
+    /** Task */
+    struct task_struct *task;
+    /** Queue */
+    wait_queue_head_t waitQ;
+    /** PID */
+    pid_t pid;
+    /** Private structure */
+    void *priv;
+} uap_thread;
+
+static inline void
+uap_activate_thread(uap_thread * thr)
+{
+        /** Record the thread pid */
+    thr->pid = current->pid;
+
+        /** Initialize the wait queue */
+    init_waitqueue_head(&thr->waitQ);
+}
+
+static inline void
+uap_deactivate_thread(uap_thread * thr)
+{
+    thr->pid = 0;
+    return;
+}
+
+static inline void
+uap_create_thread(int (*uapfunc) (void *), uap_thread * thr, char *name)
+{
+    thr->task = kthread_run(uapfunc, thr, "%s", name);
+}
+
+static inline int
+uap_terminate_thread(uap_thread * thr)
+{
+    /* Check if the thread is active or not */
+    if (!thr->pid)
+        return -1;
+    kthread_stop(thr->task);
+    return 0;
+}
+
+/** Data structure for the Marvell uAP device */
+typedef struct _uap_dev
+{
+        /** device name */
+    char name[DEV_NAME_LEN];
+        /** card pointer */
+    void *card;
+        /** IO port */
+    u32 ioport;
+        /** Rx unit */
+    u8 rx_unit;
+        /** Data sent:
+	    TRUE - Data is sent to fw, no Tx Done received
+	    FALSE - Tx done received for previous Tx */
+    BOOLEAN data_sent;
+        /** CMD sent:
+	    TRUE - CMD is sent to fw, no CMD Done received
+	    FALSE - CMD done received for previous CMD */
+    BOOLEAN cmd_sent;
+        /** netdev pointer */
+    struct net_device *netdev;
+} uap_dev_t, *puap_dev_t;
+
+/** Private structure for the MV device */
+struct _uap_private
+{
+        /** Device open */
+    int open;
+
+        /** Device adapter structure */
+    uap_adapter *adapter;
+        /** Device structure */
+    uap_dev_t uap_dev;
+
+        /** Net device statistics structure */
+    struct net_device_stats stats;
+
+        /** Number of Tx timeouts */
+    u32 num_tx_timeout;
+
+        /** Media connection status */
+    BOOLEAN MediaConnected;
+
+#ifdef CONFIG_PROC_FS
+    struct proc_dir_entry *proc_uap;
+    struct proc_dir_entry *proc_entry;
+#endif                          /* CONFIG_PROC_FS */
+
+        /** Firmware helper */
+    const struct firmware *fw_helper;
+        /** Firmware */
+    const struct firmware *firmware;
+        /** Hotplug device */
+    struct device *hotplug_device;
+        /** thread to service interrupts */
+    uap_thread MainThread;
+        /** Driver lock */
+    spinlock_t driver_lock;
+        /** Driver lock flags */
+    ulong driver_flags;
+
+};
+
+/** PS_CMD_ConfirmSleep */
+typedef struct _PS_CMD_ConfirmSleep
+{
+        /** SDIO Length */
+    u16 SDLen;
+    /** SDIO Type */
+    u16 SDType;
+        /** Command */
+    u16 Command;
+        /** Size */
+    u16 Size;
+        /** Sequence number */
+    u16 SeqNum;
+        /** Result */
+    u16 Result;
+} __ATTRIB_PACK__ PS_CMD_ConfirmSleep, *PPS_CMD_ConfirmSleep;
+
+/** Wlan Adapter data structure*/
+struct _uap_adapter
+{
+        /** Power save confirm sleep command */
+    PS_CMD_ConfirmSleep PSConfirmSleep;
+        /** Device status */
+    HARDWARE_STATUS HardwareStatus;
+        /** Interrupt counter */
+    u32 IntCounter;
+        /** Tx packet queue */
+    struct sk_buff_head tx_queue;
+        /** Cmd packet queue */
+    struct sk_buff_head cmd_queue;
+        /** Command sequence number */
+    u16 SeqNum;
+        /** Command buffer */
+    u8 *CmdBuf;
+        /** cmd pending flag */
+    u8 cmd_pending;
+        /** cmd wait option */
+    u8 cmd_wait_option;
+        /** Command buffer length */
+    u32 CmdSize;
+        /** Command wait queue */
+    wait_queue_head_t cmdwait_q __ATTRIB_ALIGN__;
+        /** Command wait queue state flag */
+    u8 CmdWaitQWoken;
+        /** PnP support */
+    BOOLEAN SurpriseRemoved;
+        /** Debug */
+    uap_dbg dbg;
+        /** Netlink kernel socket */
+    struct sock *nl_sk;
+        /** Semaphore for CMD */
+    SEMAPHORE CmdSem;
+         /** Power Save mode */
+    u8 psmode;
+        /** Power Save state */
+    u8 ps_state;
+        /** Number of wakeup tries */
+    u32 WakeupTries;
+};
+
+static inline int
+os_upload_rx_packet(uap_private * priv, struct sk_buff *skb)
+{
+    skb->dev = priv->uap_dev.netdev;
+    skb->protocol = eth_type_trans(skb, priv->uap_dev.netdev);
+    skb->ip_summed = CHECKSUM_UNNECESSARY;
+    if (in_interrupt())
+        netif_rx(skb);
+    else
+        netif_rx_ni(skb);
+    return 0;
+}
+
+/*
+ *  netif carrier_on/off and start(wake)/stop_queue handling
+ */
+static inline void
+os_carrier_on(uap_private * priv)
+{
+    if (!netif_carrier_ok(priv->uap_dev.netdev) &&
+        (priv->MediaConnected == TRUE)) {
+        netif_carrier_on(priv->uap_dev.netdev);
+    }
+}
+
+static inline void
+os_carrier_off(uap_private * priv)
+{
+    if (netif_carrier_ok(priv->uap_dev.netdev)) {
+        netif_carrier_off(priv->uap_dev.netdev);
+    }
+}
+
+static inline void
+os_start_queue(uap_private * priv)
+{
+    if (netif_queue_stopped(priv->uap_dev.netdev) &&
+        (priv->MediaConnected == TRUE)) {
+        netif_wake_queue(priv->uap_dev.netdev);
+    }
+}
+
+static inline void
+os_stop_queue(uap_private * priv)
+{
+    if (!netif_queue_stopped(priv->uap_dev.netdev)) {
+        netif_stop_queue(priv->uap_dev.netdev);
+    }
+}
+
+/** Interface specific header */
+#define INTF_HEADER_LEN         4
+
+/** headroom alignment for tx packet */
+#define HEADER_ALIGNMENT	8
+
+/** The number of times to try when polling for status bits */
+#define MAX_POLL_TRIES			100
+
+/** Length of SNAP header */
+#define MRVDRV_SNAP_HEADER_LEN          8
+
+/** Extra length of Tx packet buffer */
+#define EXTRA_LEN	36
+
+/** Buffer size for ethernet Tx packets */
+#define MRVDRV_ETH_TX_PACKET_BUFFER_SIZE \
+	(ETH_FRAME_LEN + sizeof(TxPD) + EXTRA_LEN)
+
+/** Buffer size for ethernet Rx packets */
+#define MRVDRV_ETH_RX_PACKET_BUFFER_SIZE \
+	(ETH_FRAME_LEN + sizeof(RxPD) \
+	 + MRVDRV_SNAP_HEADER_LEN + EXTRA_LEN)
+
+/** Packet type: data, command & event */
+typedef enum _mv_type
+{
+    MV_TYPE_DAT = 0,
+    MV_TYPE_CMD = 1,
+    MV_TYPE_EVENT = 3
+} mv_type;
+
+/** Disable interrupt */
+#define OS_INT_DISABLE	spin_lock_irqsave(&priv->driver_lock, priv->driver_flags)
+/** Enable interrupt */
+#define	OS_INT_RESTORE	spin_unlock_irqrestore(&priv->driver_lock, priv->driver_flags)
+
+int uap_process_rx_packet(uap_private * priv, struct sk_buff *skb);
+void uap_interrupt(uap_private * priv);
+uap_private *uap_add_card(void *card);
+int uap_remove_card(void *card);
+int uap_process_event(uap_private * priv, u8 * payload, uint len);
+int uap_soft_reset(uap_private * priv);
+int uap_process_sleep_confirm_resp(uap_private * priv, u8 * resp, int resp_len);
+
+#ifdef CONFIG_PROC_FS
+/** The proc fs interface */
+void uap_proc_entry(uap_private * priv, struct net_device *dev);
+void uap_proc_remove(uap_private * priv);
+int string_to_number(char *s);
+void uap_debug_entry(uap_private * priv, struct net_device *dev);
+void uap_debug_remove(uap_private * priv);
+#endif /* CONFIG_PROC_FS */
+
+int sbi_register(void);
+
+void sbi_unregister(void);
+int sbi_register_dev(uap_private * priv);
+int sbi_unregister_dev(uap_private * priv);
+int sbi_prog_fw_w_helper(uap_private *);
+
+int sbi_host_to_card(uap_private * priv, u8 * payload, u16 nb);
+int sbi_enable_host_int(uap_private * priv);
+int sbi_disable_host_int(uap_private * priv);
+
+int sbi_get_int_status(uap_private * priv, u8 * ireg);
+/** Check firmware status */
+int sbi_check_fw_status(uap_private *, int);
+int sbi_prog_helper(uap_private *);
+
+int sbi_wakeup_firmware(uap_private * priv);
+
+#endif /* _UAP_DRV_H */
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_fw.h backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_fw.h
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_fw.h	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_fw.h	2014-12-29 20:37:43.949097590 +0100
@@ -0,0 +1,359 @@
+/** @file uap_fw.h
+ *
+ * @brief This file contains firmware specific defines.
+ *
+ * Copyright (C) 2008-2009, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available along with the File in the gpl.txt file or by writing to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+/********************************************************
+Change log:
+	02/26/08: Initial creation
+********************************************************/
+
+#ifndef _UAP_FW_H
+#define _UAP_FW_H
+
+/** uap upload size */
+#define	UAP_UPLD_SIZE			2312
+/** Packet type Micro AP */
+#define PKT_TYPE_MICROAP		1
+/** Packet type client */
+#define PKT_TYPE_CLIENT			0
+
+/** TxPD descriptor */
+typedef struct _TxPD
+{
+        /** Bss Type */
+    u8 BssType;
+        /** Bss num */
+    u8 BssNum;
+        /** Tx packet length */
+    u16 TxPktLength;
+        /** Tx packet offset */
+    u16 TxPktOffset;
+        /** Tx packet type */
+    u16 TxPktType;
+        /** Tx Control */
+    u32 TxControl;
+        /** reserved */
+    u32 reserved[2];
+} __ATTRIB_PACK__ TxPD, *PTxPD;
+
+/** RxPD Descriptor */
+typedef struct _RxPD
+{
+        /** Bss Type */
+    u8 BssType;
+        /** Bss Num */
+    u8 BssNum;
+        /** Tx packet length */
+    u16 RxPktLength;
+        /** Tx packet offset */
+    u16 RxPktOffset;
+} __ATTRIB_PACK__ RxPD, *PRxPD;
+
+#ifdef BIG_ENDIAN
+/** Convert from 16 bit little endian format to CPU format */
+#define uap_le16_to_cpu(x) le16_to_cpu(x)
+/** Convert from 32 bit little endian format to CPU format */
+#define uap_le32_to_cpu(x) le32_to_cpu(x)
+/** Convert from 64 bit little endian format to CPU format */
+#define uap_le64_to_cpu(x) le64_to_cpu(x)
+/** Convert to 16 bit little endian format from CPU format */
+#define uap_cpu_to_le16(x) cpu_to_le16(x)
+/** Convert to 32 bit little endian format from CPU format */
+#define uap_cpu_to_le32(x) cpu_to_le32(x)
+/** Convert to 64 bit little endian format from CPU format */
+#define uap_cpu_to_le64(x) cpu_to_le64(x)
+
+/** Convert TxPD to little endian format from CPU format */
+#define endian_convert_TxPD(x);                                         \
+    {                                                                   \
+        (x)->TxPktLength = uap_cpu_to_le16((x)->TxPktLength);    	\
+        (x)->TxPktOffset = uap_cpu_to_le32((x)->TxPktOffset);		\
+        (x)->TxControl = uap_cpu_to_le32((x)->TxControl);              \
+        (x)->TxPktType = uap_cpu_to_le32((x)->TxPktType);		\
+    }
+
+/** Convert RxPD from little endian format to CPU format */
+#define endian_convert_RxPD(x);                             		\
+    {                                                       		\
+        (x)->RxPktLength = uap_le16_to_cpu((x)->RxPktLength);        	\
+        (x)->RxPktOffset = uap_le32_to_cpu((x)->RxPktOffset);  	\
+    }
+#else /* BIG_ENDIAN */
+/** Do nothing */
+#define uap_le16_to_cpu(x) x
+/** Do nothing */
+#define uap_le32_to_cpu(x) x
+/** Do nothing */
+#define uap_le64_to_cpu(x) x
+/** Do nothing */
+#define uap_cpu_to_le16(x) x
+/** Do nothing */
+#define uap_cpu_to_le32(x) x
+/** Do nothing */
+#define uap_cpu_to_le64(x) x
+
+/** Do nothing */
+#define endian_convert_TxPD(x)
+/** Do nothing */
+#define endian_convert_RxPD(x)
+#endif /* BIG_ENDIAN */
+
+/** Host Command ID : Function initialization */
+#define HostCmd_CMD_FUNC_INIT                 0x00a9
+/** Host Command ID : Function shutdown */
+#define HostCmd_CMD_FUNC_SHUTDOWN             0x00aa
+
+/** Host Command id: SYS_INFO  */
+#define HOST_CMD_APCMD_SYS_INFO               0x00ae
+/** Host Command id: SYS_RESET  */
+#define HOST_CMD_APCMD_SYS_RESET              0x00af
+/** Host Command id: SYS_CONFIGURE  */
+#define HOST_CMD_APCMD_SYS_CONFIGURE          0x00b0
+/** Host Command id: BSS_START  */
+#define HOST_CMD_APCMD_BSS_START              0x00b1
+/** Host Command id: SYS_STOP  */
+#define HOST_CMD_APCMD_BSS_STOP               0x00b2
+/** Host Command id: STA_LIST  */
+#define HOST_CMD_APCMD_STA_LIST               0x00b3
+/** Host Command id: STA_FILTER_TABLE  */
+#define HOST_CMD_APCMD_STA_FILTER_TABLE       0x00b4
+/** Host Command id: STA_DEAUTH  */
+#define HOST_CMD_APCMD_STA_DEAUTH             0x00b5
+/** Host Command id: SOFT_RESET  */
+#define HOST_CMD_APCMD_SOFT_RESET             0x00d5
+/** Host Command id: POWER_MGMT_EXT  */
+#define HOST_CMD_POWER_MGMT_EXT               0x00ef
+/** Host Command id: SLEEP_CONFIRM*/
+#define HOST_CMD_SLEEP_CONFIRM       	      0x00d8
+
+/** TLV type : SSID */
+#define TLV_TYPE_SSID				0x0000
+/** TLV type : Rates */
+#define TLV_TYPE_RATES				0x0001
+/** TLV type : PHY DS */
+#define TLV_TYPE_PHY_DS				0x0003
+
+/** TLV Id : Base id */
+#define PROPRIETARY_TLV_BASE_ID               0x0100
+/** TLV Id : AP_MAC_ADDRESS */
+#define MRVL_AP_MAC_ADDRESS_TLV_ID      (PROPRIETARY_TLV_BASE_ID + 43)
+/** TLV Id : Beacon period */
+#define MRVL_BEACON_PERIOD_TLV_ID       (PROPRIETARY_TLV_BASE_ID + 44)
+/** TLV Id : Dtim period */
+#define MRVL_DTIM_PERIOD_TLV_ID         (PROPRIETARY_TLV_BASE_ID + 45)
+/** TLV Id : Basic rates */
+#define MRVL_BASIC_RATES_TLV_ID         (PROPRIETARY_TLV_BASE_ID + 46)
+/** TLV Id : Tx Power */
+#define MRVL_TX_POWER_TLV_ID            (PROPRIETARY_TLV_BASE_ID + 47)
+/** TLV Id : Broadcast SSID control */
+#define MRVL_BCAST_SSID_CTL_TLV_ID      (PROPRIETARY_TLV_BASE_ID + 48)
+/** TLV Id : Preamble control */
+#define MRVL_PREAMBLE_CTL_TLV_ID        (PROPRIETARY_TLV_BASE_ID + 49)
+/** TLV Id : Antenna control */
+#define MRVL_ANTENNA_CTL_TLV_ID         (PROPRIETARY_TLV_BASE_ID + 50)
+/** TLV Id : RTS threshold */
+#define MRVL_RTS_THRESHOLD_TLV_ID       (PROPRIETARY_TLV_BASE_ID + 51)
+/** TLV Id : Radio control */
+#define MRVL_RADIO_CTL_TLV_ID           (PROPRIETARY_TLV_BASE_ID + 52)
+/** TLV Id : TX data rate */
+#define MRVL_TX_DATA_RATE_TLV_ID        (PROPRIETARY_TLV_BASE_ID + 53)
+/** TLV Id : Packet forward control */
+#define MRVL_PKT_FWD_CTL_TLV_ID         (PROPRIETARY_TLV_BASE_ID + 54)
+/** TLV Id : STA info */
+#define MRVL_STA_INFO_TLV_ID            (PROPRIETARY_TLV_BASE_ID + 55)
+/** TLV Id : STA MAC address filter */
+#define MRVL_STA_MAC_ADDR_FILTER_TLV_ID (PROPRIETARY_TLV_BASE_ID + 56)
+/** TLV Id : STA ageout timer */
+#define MRVL_STA_AGEOUT_TIMER_TLV_ID    (PROPRIETARY_TLV_BASE_ID + 57)
+/** TLV Id : Security config */
+#define MRVL_SECURITY_CFG_TLV_ID        (PROPRIETARY_TLV_BASE_ID + 58)
+/** TLV Id : WEP KEY */
+#define MRVL_WEP_KEY_TLV_ID             (PROPRIETARY_TLV_BASE_ID + 59)
+/** TLV Id : WPA Passphrase */
+#define MRVL_WPA_PASSPHRASE_TLV_ID      (PROPRIETARY_TLV_BASE_ID + 60)
+
+/** Action get */
+#define ACTION_GET	0
+/** Action set */
+#define ACTION_SET 	1
+/** Length of ethernet address */
+#ifndef	ETH_ALEN
+#define ETH_ALEN			6
+#endif
+
+/** HostCmd_DS_GEN */
+typedef struct
+{
+    /** Command */
+    u16 Command;
+    /** Size */
+    u16 Size;
+    /** Sequence number */
+    u16 SeqNum;
+    /** Result */
+    u16 Result;
+} __ATTRIB_PACK__ HostCmd_DS_GEN;
+
+/** Size of HostCmd_DS_GEN */
+#define S_DS_GEN    sizeof(HostCmd_DS_GEN)
+
+/** _HostCmd_HEADER*/
+typedef struct
+{
+    /** Command Header : Command */
+    u16 Command;
+    /** Command Header : Size */
+    u16 Size;
+} __ATTRIB_PACK__ HostCmd_HEADER;
+
+/** HostCmd_SYS_CONFIG */
+typedef struct _HostCmd_SYS_CONFIG
+{
+        /** CMD Action GET/SET*/
+    u16 Action;
+        /** Tlv buffer */
+    u8 TlvBuffer[0];
+} __ATTRIB_PACK__ HostCmd_SYS_CONFIG;
+
+/** HostCmd_DS_POWER_MGMT_EXT */
+typedef struct _HostCmd_DS_POWER_MGMT_EXT
+{
+    /** CMD Action Get/Set*/
+    u16 action;
+    /** power mode */
+    u16 power_mode;
+} __ATTRIB_PACK__ HostCmd_DS_POWER_MGMT_EXT;
+
+/** _HostCmd_DS_COMMAND*/
+typedef struct _HostCmd_DS_COMMAND
+{
+
+        /** Command Header : Command */
+    u16 Command;
+        /** Command Header : Size */
+    u16 Size;
+        /** Command Header : Sequence number */
+    u16 SeqNum;
+        /** Command Header : Result */
+    u16 Result;
+        /** Command Body */
+    union
+    {
+        HostCmd_SYS_CONFIG sys_config;
+        HostCmd_DS_POWER_MGMT_EXT pm_cfg;
+
+    } params;
+} __ATTRIB_PACK__ HostCmd_DS_COMMAND;
+
+/** MrvlIEtypesHeader_*/
+typedef struct _MrvlIEtypesHeader
+{
+    /** Header type */
+    u16 Type;
+    /** Header length */
+    u16 Len;
+} __ATTRIB_PACK__ MrvlIEtypesHeader_t;
+
+/** MrvlIEtypes_Data_t */
+typedef struct _MrvlIEtypes_Data_t
+{
+    /** Header */
+    MrvlIEtypesHeader_t Header;
+    /** Data */
+    u8 Data[1];
+} __ATTRIB_PACK__ MrvlIEtypes_Data_t;
+
+/** MrvlIEtypes_ChanListParamSet_t */
+typedef struct _MrvlIEtypes_MacAddr_t
+{
+    /** Header */
+    MrvlIEtypesHeader_t Header;
+    /** AP MAC address */
+    u8 ApMacAddr[ETH_ALEN];
+} __ATTRIB_PACK__ MrvlIEtypes_MacAddr_t;
+
+/** Event ID: BSS started */
+#define MICRO_AP_EV_ID_BSS_START    46
+
+/** Event ID: BSS idle event */
+#define MICRO_AP_EV_BSS_IDLE	     67
+
+/** Event ID: BSS active event */
+#define MICRO_AP_EV_BSS_ACTIVE	     68
+
+/** Event ID: PS_AWAKE */
+#define EVENT_PS_AWAKE     0x0a
+
+/** Event ID: PS_SLEEP */
+#define EVENT_PS_SLEEP     0x0b
+
+/** PS_STATE */
+typedef enum _PS_STATE
+{
+    PS_STATE_AWAKE,
+    PS_STATE_PRE_SLEEP,
+    PS_STATE_SLEEP
+} PS_STATE;
+
+/** TLV type: AP Sleep param */
+#define TLV_TYPE_AP_SLEEP_PARAM         (PROPRIETARY_TLV_BASE_ID + 106)
+/** TLV type: AP Inactivity Sleep param */
+#define TLV_TYPE_AP_INACT_SLEEP_PARAM   (PROPRIETARY_TLV_BASE_ID + 107)
+
+/** MrvlIEtypes_sleep_param_t */
+typedef struct _MrvlIEtypes_sleep_param_t
+{
+    /** Header */
+    MrvlIEtypesHeader_t header;
+    /** control bitmap */
+    u32 ctrl_bitmap;
+    /** min_sleep */
+    u32 min_sleep;
+    /** max_sleep */
+    u32 max_sleep;
+} __ATTRIB_PACK__ MrvlIEtypes_sleep_param_t;
+
+/** MrvlIEtypes_inact_sleep_param_t */
+typedef struct _MrvlIEtypes_inact_sleep_param_t
+{
+    /** Header */
+    MrvlIEtypesHeader_t header;
+    /** inactivity timeout */
+    u32 inactivity_to;
+    /** min_awake */
+    u32 min_awake;
+    /** max_awake */
+    u32 max_awake;
+} __ATTRIB_PACK__ MrvlIEtypes_inact_sleep_param_t;
+
+/** AP_Event */
+typedef struct _AP_Event
+{
+    /** Event ID */
+    u32 EventId;
+    /*
+     * Reserved for STA_ASSOCIATED event and contains
+     * status information for the MIC_COUNTERMEASURES event.
+     */
+    /** Reserved/status */
+    u16 status;
+    /** AP MAC address */
+    u8 MacAddr[ETH_ALEN];
+} __ATTRIB_PACK__ AP_Event;
+#endif /* _UAP_FW_H */
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_headers.h backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_headers.h
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_headers.h	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_headers.h	2014-12-29 20:37:43.949097590 +0100
@@ -0,0 +1,64 @@
+/** @file uap_headers.h
+ *
+ * @brief This file contains all the necessary include file.
+ *
+  * Copyright (C) 2008-2009, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available along with the File in the gpl.txt file or by writing to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+#ifndef _UAP_HEADERS_H
+#define _UAP_HEADERS_H
+
+/* Linux header files */
+#include    <linux/kernel.h>
+#include    <linux/module.h>
+#include    <linux/init.h>
+#include    <linux/version.h>
+#include    <linux/param.h>
+#include    <linux/types.h>
+#include    <linux/interrupt.h>
+#include    <linux/proc_fs.h>
+#include    <linux/kthread.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
+#include    <linux/semaphore.h>
+#else
+#include    <asm/semaphore.h>
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
+#include    <linux/config.h>
+#endif
+
+/* Net header files */
+#include    <linux/netdevice.h>
+#include    <linux/net.h>
+#include    <linux/skbuff.h>
+#include    <linux/if_ether.h>
+#include    <linux/etherdevice.h>
+#include    <net/sock.h>
+#include    <linux/netlink.h>
+#include    <linux/firmware.h>
+#include    <linux/delay.h>
+
+#include    "uap_drv.h"
+#include    "uap_fw.h"
+
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/card.h>
+#include "uap_sdio_mmc.h"
+
+#endif /* _UAP_HEADERS_H */
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_main.c backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_main.c
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_main.c	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_main.c	2014-12-29 20:37:43.952431125 +0100
@@ -0,0 +1,1817 @@
+/** @file uap_main.c
+  * @brief This file contains the major functions in uAP
+  * driver. It includes init, exit etc..
+  * This file also contains the initialization for SW,
+  * FW and HW
+  *
+  * Copyright (C) 2008-2009, Marvell International Ltd.
+  *
+  * This software file (the "File") is distributed by Marvell International
+  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+  * (the "License").  You may use, redistribute and/or modify this File in
+  * accordance with the terms and conditions of the License, a copy of which
+  * is available along with the File in the gpl.txt file or by writing to
+  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+  * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+  *
+  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+  * this warranty disclaimer.
+  *
+  */
+/**
+  * @mainpage uAP Linux Driver
+  *
+  * @section overview_sec Overview
+  *
+  * This is Linux reference driver for Marvell uAP.
+  *
+  * @section copyright_sec Copyright
+  *
+  * Copyright (C) 2008, Marvell International Ltd.
+  *
+  */
+
+#include	"uap_headers.h"
+
+/**
+ * the global variable of a pointer to uap_private
+ * structure variable
+ */
+uap_private *uappriv = NULL;
+#ifdef DEBUG_LEVEL1
+#define DEFAULT_DEBUG_MASK	(DBG_MSG | DBG_FATAL | DBG_ERROR)
+u32 drvdbg = DEFAULT_DEBUG_MASK;
+#endif
+/** Helper name */
+char *helper_name = NULL;
+/** Firmware name */
+char *fw_name = NULL;
+
+/** Semaphore for add/remove card */
+SEMAPHORE AddRemoveCardSem;
+
+/********************************************************
+		Local Functions
+********************************************************/
+/**
+ *  @brief This function send sleep confirm command to firmware
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS for success otherwise UAP_STATUS_FAILURE
+ */
+static int
+uap_dnld_sleep_confirm_cmd(uap_private * priv)
+{
+    uap_adapter *Adapter = priv->adapter;
+    int ret = UAP_STATUS_SUCCESS;
+    ENTER();
+    PRINTM(CMND, "Sleep confirm\n");
+    Adapter->cmd_pending = TRUE;
+    Adapter->cmd_wait_option = HostCmd_OPTION_WAITFORRSP_SLEEPCONFIRM;
+    ret =
+        sbi_host_to_card(priv, (u8 *) & Adapter->PSConfirmSleep,
+                         sizeof(PS_CMD_ConfirmSleep));
+    if (ret != UAP_STATUS_SUCCESS) {
+        Adapter->ps_state = PS_STATE_AWAKE;
+        Adapter->cmd_pending = FALSE;
+        Adapter->cmd_wait_option = FALSE;
+    }
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function process sleep confirm resp from firmware
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @param resp 	A pointer to resp buf
+ *  @param resp_len 	resp buf len
+ *  @return 	   UAP_STATUS_SUCCESS for success otherwise UAP_STATUS_FAILURE
+ */
+int
+uap_process_sleep_confirm_resp(uap_private * priv, u8 * resp, int resp_len)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    HostCmd_DS_COMMAND *cmd;
+    uap_adapter *Adapter = priv->adapter;
+    ENTER();
+    PRINTM(CMND, "Sleep confirm resp\n");
+    if (!resp_len) {
+        PRINTM(ERROR, "Cmd Size is 0\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    cmd = (HostCmd_DS_COMMAND *) resp;
+    cmd->Result = uap_le16_to_cpu(cmd->Result);
+    if (cmd->Result != UAP_STATUS_SUCCESS) {
+        PRINTM(ERROR, "HOST_CMD_APCMD_PS_SLEEP_CONFIRM fail=%x\n", cmd->Result);
+        ret = -EFAULT;
+    }
+  done:
+    if (ret == UAP_STATUS_SUCCESS)
+        Adapter->ps_state = PS_STATE_SLEEP;
+    else
+        Adapter->ps_state = PS_STATE_AWAKE;
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function checks condition and prepares to
+ *  send sleep confirm command to firmware if OK.
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @return 	   	n/a
+ */
+static void
+uap_ps_cond_check(uap_private * priv)
+{
+    uap_adapter *Adapter = priv->adapter;
+
+    ENTER();
+    if (!priv->uap_dev.cmd_sent &&
+        !Adapter->cmd_pending && !Adapter->IntCounter) {
+        uap_dnld_sleep_confirm_cmd(priv);
+    } else {
+        PRINTM(INFO, "Delay Sleep Confirm (%s%s%s)\n",
+               (priv->uap_dev.cmd_sent) ? "D" : "",
+               (Adapter->cmd_pending) ? "C" : "",
+               (Adapter->IntCounter) ? "I" : "");
+    }
+    LEAVE();
+}
+
+/**
+ *  @brief This function add cmd to cmdQ and waiting for response
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param skb 	   A pointer to the skb for process
+ *  @param wait_option Wait option
+ *  @return 	   UAP_STATUS_SUCCESS for success otherwise UAP_STATUS_FAILURE
+ */
+static int
+uap_process_cmd(uap_private * priv, struct sk_buff *skb, u8 wait_option)
+{
+    uap_adapter *Adapter = priv->adapter;
+    int ret = UAP_STATUS_SUCCESS;
+    HostCmd_DS_COMMAND *cmd;
+    u8 *headptr;
+    ENTER();
+    if (Adapter->HardwareStatus != HWReady) {
+        PRINTM(ERROR, "Hw not ready, uap_process_cmd\n");
+        kfree(skb);
+        LEAVE();
+        return -EFAULT;
+    }
+    skb->cb[0] = wait_option;
+    headptr = skb->data;
+    *(u16 *) & headptr[0] = uap_cpu_to_le16(skb->len);
+    *(u16 *) & headptr[2] = uap_cpu_to_le16(MV_TYPE_CMD);
+    cmd = (HostCmd_DS_COMMAND *) (skb->data + INTF_HEADER_LEN);
+    Adapter->SeqNum++;
+    cmd->SeqNum = uap_cpu_to_le16(Adapter->SeqNum);
+    PRINTM(CMND, "process_cmd: %x\n", cmd->Command);
+    DBG_HEXDUMP(CMD_D, "process_cmd", (u8 *) cmd, cmd->Size);
+    if (!wait_option) {
+        skb_queue_tail(&priv->adapter->cmd_queue, skb);
+        wake_up_interruptible(&priv->MainThread.waitQ);
+        LEAVE();
+        return ret;
+    }
+    if (OS_ACQ_SEMAPHORE_BLOCK(&Adapter->CmdSem)) {
+        PRINTM(ERROR, "Acquire semaphore error, uap_prepare_cmd\n");
+        kfree(skb);
+        LEAVE();
+        return -EBUSY;
+    }
+    skb_queue_tail(&priv->adapter->cmd_queue, skb);
+    Adapter->CmdWaitQWoken = FALSE;
+    wake_up_interruptible(&priv->MainThread.waitQ);
+    /* Sleep until response is generated by FW */
+    if (wait_option == HostCmd_OPTION_WAITFORRSP_TIMEOUT) {
+        if (!os_wait_interruptible_timeout
+            (Adapter->cmdwait_q, Adapter->CmdWaitQWoken, MRVDRV_TIMER_20S)) {
+            PRINTM(ERROR, "Cmd timeout\n");
+            Adapter->cmd_pending = FALSE;
+            ret = -EFAULT;
+        }
+    } else
+        wait_event_interruptible(Adapter->cmdwait_q, Adapter->CmdWaitQWoken);
+    OS_REL_SEMAPHORE(&Adapter->CmdSem);
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief Inspect the response buffer for pointers to expected TLVs
+ *
+ *
+ *  @param pTlv        Pointer to the start of the TLV buffer to parse
+ *  @param tlvBufSize  Size of the TLV buffer
+ *  @param reqTlvType  request tlv's tlvtype
+ *  @param ppTlv       Output parameter: Pointer to the request TLV if found
+ *
+ *  @return            void
+ */
+static void
+uap_get_tlv_ptrs(MrvlIEtypes_Data_t * pTlv, int tlvBufSize,
+                 u16 reqTlvType, MrvlIEtypes_Data_t ** ppTlv)
+{
+    MrvlIEtypes_Data_t *pCurrentTlv;
+    int tlvBufLeft;
+    u16 tlvType;
+    u16 tlvLen;
+
+    ENTER();
+    pCurrentTlv = pTlv;
+    tlvBufLeft = tlvBufSize;
+    *ppTlv = NULL;
+    PRINTM(INFO, "uap_get_tlv: tlvBufSize = %d, reqTlvType=%x\n", tlvBufSize,
+           reqTlvType);
+    while (tlvBufLeft >= sizeof(MrvlIEtypesHeader_t)) {
+        tlvType = uap_le16_to_cpu(pCurrentTlv->Header.Type);
+        tlvLen = uap_le16_to_cpu(pCurrentTlv->Header.Len);
+        if (reqTlvType == tlvType)
+            *ppTlv = (MrvlIEtypes_Data_t *) pCurrentTlv;
+        if (*ppTlv) {
+            HEXDUMP("TLV Buf", (u8 *) * ppTlv, tlvLen);
+            break;
+        }
+        tlvBufLeft -= (sizeof(pTlv->Header) + tlvLen);
+        pCurrentTlv = (MrvlIEtypes_Data_t *) (pCurrentTlv->Data + tlvLen);
+    }                           /* while */
+    LEAVE();
+}
+
+/**
+ *  @brief This function get mac
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS on success, otherwise failure code
+ */
+static int
+uap_get_mac_address(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u32 CmdSize;
+    HostCmd_DS_COMMAND *cmd;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb;
+    MrvlIEtypes_MacAddr_t *pMacAddrTlv;
+    MrvlIEtypes_Data_t *pTlv;
+    u16 tlvBufSize;
+    ENTER();
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        ret = -ENOMEM;
+        goto done;
+    }
+    CmdSize =
+        S_DS_GEN + sizeof(HostCmd_SYS_CONFIG) + sizeof(MrvlIEtypes_MacAddr_t);
+    cmd = (HostCmd_DS_COMMAND *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HOST_CMD_APCMD_SYS_CONFIGURE);
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    cmd->params.sys_config.Action = uap_cpu_to_le16(ACTION_GET);
+    pMacAddrTlv =
+        (MrvlIEtypes_MacAddr_t *) (skb->data + INTF_HEADER_LEN + S_DS_GEN +
+                                   sizeof(HostCmd_SYS_CONFIG));
+    pMacAddrTlv->Header.Type = uap_cpu_to_le16(MRVL_AP_MAC_ADDRESS_TLV_ID);
+    pMacAddrTlv->Header.Len = uap_cpu_to_le16(ETH_ALEN);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP_TIMEOUT)) {
+        PRINTM(ERROR, "Fail to process cmd SYS_CONFIGURE Query\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    if (!Adapter->CmdSize) {
+        PRINTM(ERROR, "Cmd Size is 0\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    cmd = (HostCmd_DS_COMMAND *) Adapter->CmdBuf;
+    cmd->Result = uap_le16_to_cpu(cmd->Result);
+    if (cmd->Result != UAP_STATUS_SUCCESS) {
+        PRINTM(ERROR, "uap_get_mac_address fail=%x\n", cmd->Result);
+        ret = -EFAULT;
+        goto done;
+    }
+    pTlv =
+        (MrvlIEtypes_Data_t *) (Adapter->CmdBuf + S_DS_GEN +
+                                sizeof(HostCmd_SYS_CONFIG));
+    tlvBufSize = Adapter->CmdSize - S_DS_GEN - sizeof(HostCmd_SYS_CONFIG);
+    uap_get_tlv_ptrs(pTlv, tlvBufSize, MRVL_AP_MAC_ADDRESS_TLV_ID,
+                     (MrvlIEtypes_Data_t **) & pMacAddrTlv);
+    if (pMacAddrTlv) {
+        memcpy(priv->uap_dev.netdev->dev_addr, pMacAddrTlv->ApMacAddr,
+               ETH_ALEN);
+        HEXDUMP("Original MAC addr", priv->uap_dev.netdev->dev_addr, ETH_ALEN);
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function checks the conditions and sends packet to device
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param skb 	   A pointer to the skb for process
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+uap_process_tx(uap_private * priv, struct sk_buff *skb)
+{
+    uap_adapter *Adapter = priv->adapter;
+    int ret = UAP_STATUS_SUCCESS;
+    TxPD *pLocalTxPD;
+    u8 *headptr;
+    struct sk_buff *newskb;
+    int newheadlen;
+    ENTER();
+    ASSERT(skb);
+    if (!skb) {
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+    if (skb_headroom(skb) < (sizeof(TxPD) + INTF_HEADER_LEN + HEADER_ALIGNMENT)) {
+        newheadlen = sizeof(TxPD) + INTF_HEADER_LEN + HEADER_ALIGNMENT;
+        PRINTM(WARN, "Tx: Insufficient skb headroom %d\n", skb_headroom(skb));
+        /* Insufficient skb headroom - allocate a new skb */
+        newskb = skb_realloc_headroom(skb, newheadlen);
+        if (unlikely(newskb == NULL)) {
+            PRINTM(ERROR, "Tx: Cannot allocate skb\n");
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+        kfree_skb(skb);
+        skb = newskb;
+        PRINTM(INFO, "new skb headroom %d\n", skb_headroom(skb));
+    }
+    /* headptr should be aligned */
+    headptr = skb->data - sizeof(TxPD) - INTF_HEADER_LEN;
+    headptr = (u8 *) ((u32) headptr & ~((u32) (HEADER_ALIGNMENT - 1)));
+
+    pLocalTxPD = (TxPD *) (headptr + INTF_HEADER_LEN);
+    memset(pLocalTxPD, 0, sizeof(TxPD));
+    pLocalTxPD->BssType = PKT_TYPE_MICROAP;
+    pLocalTxPD->TxPktLength = skb->len;
+    /* offset of actual data */
+    pLocalTxPD->TxPktOffset = (long) skb->data - (long) pLocalTxPD;
+    endian_convert_TxPD(pLocalTxPD);
+    *(u16 *) & headptr[0] =
+        uap_cpu_to_le16(skb->len + ((long) skb->data - (long) headptr));
+    *(u16 *) & headptr[2] = uap_cpu_to_le16(MV_TYPE_DAT);
+    ret =
+        sbi_host_to_card(priv, headptr,
+                         skb->len + ((long) skb->data - (long) headptr));
+    if (ret) {
+        PRINTM(ERROR, "uap_process_tx Error: sbi_host_to_card failed: 0x%X\n",
+               ret);
+        Adapter->dbg.num_tx_host_to_card_failure++;
+        goto done;
+    }
+    PRINTM(DATA, "Data => FW\n");
+    DBG_HEXDUMP(DAT_D, "Tx", headptr,
+                MIN(skb->len + sizeof(TxPD), DATA_DUMP_LEN));
+  done:
+    /* Freed skb */
+    kfree_skb(skb);
+    LEAVE();
+    return ret;
+}
+
+static struct netlink_kernel_cfg cfg = {
+	.groups = NL_MULTICAST_GROUP,
+};
+
+/**
+ *  @brief This function initializes the adapter structure
+ *  and set default value to the member of adapter.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+uap_init_sw(uap_private * priv)
+{
+    uap_adapter *Adapter = priv->adapter;
+
+    ENTER();
+
+    if (!(Adapter->CmdBuf = kmalloc(MRVDRV_SIZE_OF_CMD_BUFFER, GFP_KERNEL))) {
+        PRINTM(INFO, "Failed to allocate command buffer!\n");
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+
+    Adapter->cmd_pending = FALSE;
+    Adapter->CmdWaitQWoken = FALSE;
+    Adapter->ps_state = PS_STATE_AWAKE;
+    Adapter->WakeupTries = 0;
+
+    memset(&Adapter->PSConfirmSleep, 0, sizeof(PS_CMD_ConfirmSleep));
+        /** SDIO header */
+    Adapter->PSConfirmSleep.SDLen =
+        uap_cpu_to_le16(sizeof(PS_CMD_ConfirmSleep));
+    Adapter->PSConfirmSleep.SDType = uap_cpu_to_le16(MV_TYPE_CMD);
+    Adapter->PSConfirmSleep.SeqNum = 0;
+    Adapter->PSConfirmSleep.Command = uap_cpu_to_le16(HOST_CMD_SLEEP_CONFIRM);
+    Adapter->PSConfirmSleep.Size = uap_cpu_to_le16(sizeof(HostCmd_DS_GEN));
+    Adapter->PSConfirmSleep.Result = 0;
+
+    init_waitqueue_head(&Adapter->cmdwait_q);
+    OS_INIT_SEMAPHORE(&Adapter->CmdSem);
+
+    skb_queue_head_init(&Adapter->tx_queue);
+    skb_queue_head_init(&Adapter->cmd_queue);
+
+    /* Status variable */
+    Adapter->HardwareStatus = HWInitializing;
+
+    /* PnP support */
+    Adapter->SurpriseRemoved = FALSE;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
+    Adapter->nl_sk = netlink_kernel_create(NETLINK_MARVELL,
+                                           NL_MULTICAST_GROUP, NULL,
+                                           THIS_MODULE);
+#else
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+    Adapter->nl_sk = netlink_kernel_create(NETLINK_MARVELL,
+                                           NL_MULTICAST_GROUP, NULL, NULL,
+                                           THIS_MODULE);
+#else
+    Adapter->nl_sk = netlink_kernel_create(&init_net, NETLINK_MARVELL, &cfg);
+#endif
+#endif
+    if (!Adapter->nl_sk) {
+        PRINTM(ERROR,
+               "Could not initialize netlink event passing mechanism!\n");
+    }
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief This function sends FUNC_INIT command to firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS on success, otherwise failure code
+ */
+static int
+uap_func_init(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u32 CmdSize;
+    HostCmd_DS_GEN *cmd;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb;
+    ENTER();
+    if (Adapter->HardwareStatus != HWReady) {
+        PRINTM(ERROR, "uap_func_init:Hardware is not ready!\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        ret = -ENOMEM;
+        goto done;
+    }
+    CmdSize = sizeof(HostCmd_DS_GEN);
+    cmd = (HostCmd_DS_GEN *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HostCmd_CMD_FUNC_INIT);
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    PRINTM(CMND, "HostCmd_CMD_FUNC_INIT\n");
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP_TIMEOUT)) {
+        PRINTM(ERROR, "Fail to process cmd HostCmd_CMD_FUNC_INIT\n");
+        ret = -EFAULT;
+        goto done;
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function sends FUNC_SHUTDOWN command to firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS on success, otherwise failure code
+ */
+static int __exit
+uap_func_shutdown(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u32 CmdSize;
+    HostCmd_DS_GEN *cmd;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb;
+    ENTER();
+    if (Adapter->HardwareStatus != HWReady) {
+        PRINTM(ERROR, "uap_func_shutdown:Hardware is not ready!\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        ret = -ENOMEM;
+        goto done;
+    }
+    CmdSize = sizeof(HostCmd_DS_GEN);
+    cmd = (HostCmd_DS_GEN *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HostCmd_CMD_FUNC_SHUTDOWN);
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    PRINTM(CMND, "HostCmd_CMD_FUNC_SHUTDOWN\n");
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP_TIMEOUT)) {
+        PRINTM(ERROR, "Fail to process cmd HostCmd_CMD_FUNC_SHUTDOWN\n");
+        ret = -EFAULT;
+        goto done;
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function initializes firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+uap_init_fw(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    ENTER();
+    sbi_disable_host_int(priv);
+    /* Check if firmware is already running */
+    if (sbi_check_fw_status(priv, 1) == UAP_STATUS_SUCCESS) {
+        PRINTM(MSG, "UAP FW already running! Skip FW download\n");
+    } else {
+        if ((ret = request_firmware(&priv->fw_helper, helper_name,
+                                    priv->hotplug_device)) < 0) {
+            PRINTM(FATAL,
+                   "request_firmware() failed (helper), error code = %#x\n",
+                   ret);
+            goto done;
+        }
+
+        /* Download the helper */
+        ret = sbi_prog_helper(priv);
+
+        if (ret) {
+            PRINTM(FATAL,
+                   "Bootloader in invalid state! Helper download failed!\n");
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+        if ((ret = request_firmware(&priv->firmware, fw_name,
+                                    priv->hotplug_device)) < 0) {
+            PRINTM(FATAL, "request_firmware() failed, error code = %#x\n", ret);
+            goto done;
+        }
+
+        /* Download the main firmware via the helper firmware */
+        if (sbi_prog_fw_w_helper(priv)) {
+            PRINTM(FATAL, "UAP FW download failed!\n");
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+        /* Check if the firmware is downloaded successfully or not */
+        if (sbi_check_fw_status(priv, MAX_FIRMWARE_POLL_TRIES) ==
+            UAP_STATUS_FAILURE) {
+            PRINTM(FATAL, "FW failed to be active in time!\n");
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+        PRINTM(MSG, "UAP FW is active\n");
+    }
+    sbi_enable_host_int(priv);
+    priv->adapter->HardwareStatus = HWReady;
+    if (uap_func_init(priv) != UAP_STATUS_SUCCESS) {
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+  done:
+    if (priv->fw_helper)
+        release_firmware(priv->fw_helper);
+    if (priv->firmware)
+        release_firmware(priv->firmware);
+    LEAVE();
+    return ret;
+
+}
+
+/**
+ *  @brief This function frees the structure of adapter
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   n/a
+ */
+static void
+uap_free_adapter(uap_private * priv)
+{
+    uap_adapter *Adapter = priv->adapter;
+
+    ENTER();
+
+    if (Adapter) {
+        if ((Adapter->nl_sk) && ((Adapter->nl_sk)->sk_socket)) {
+            sock_release((Adapter->nl_sk)->sk_socket);
+            Adapter->nl_sk = NULL;
+        }
+        if (Adapter->CmdBuf)
+            kfree(Adapter->CmdBuf);
+        skb_queue_purge(&priv->adapter->tx_queue);
+        skb_queue_purge(&priv->adapter->cmd_queue);
+        /* Free the adapter object itself */
+        kfree(Adapter);
+        priv->adapter = NULL;
+    }
+
+    LEAVE();
+}
+
+/**
+ *  @brief This function handles the major job in uap driver.
+ *  it handles the event generated by firmware, rx data received
+ *  from firmware and tx data sent from kernel.
+ *
+ *  @param data    A pointer to uap_thread structure
+ *  @return        BT_STATUS_SUCCESS
+ */
+static int
+uap_service_main_thread(void *data)
+{
+    uap_thread *thread = data;
+    uap_private *priv = thread->priv;
+    uap_adapter *Adapter = priv->adapter;
+    wait_queue_t wait;
+    u8 ireg = 0;
+    struct sk_buff *skb;
+    ENTER();
+    uap_activate_thread(thread);
+    init_waitqueue_entry(&wait, current);
+    current->flags |= PF_NOFREEZE;
+
+    for (;;) {
+        add_wait_queue(&thread->waitQ, &wait);
+        OS_SET_THREAD_STATE(TASK_INTERRUPTIBLE);
+        if ((Adapter->WakeupTries) ||
+            (!Adapter->IntCounter && Adapter->ps_state == PS_STATE_PRE_SLEEP) ||
+            (!priv->adapter->IntCounter
+             && (priv->uap_dev.data_sent ||
+                 skb_queue_empty(&priv->adapter->tx_queue))
+             && (priv->uap_dev.cmd_sent || Adapter->cmd_pending ||
+                 skb_queue_empty(&priv->adapter->cmd_queue))
+            )) {
+            PRINTM(INFO, "Main: Thread sleeping...\n");
+            schedule();
+        }
+        OS_SET_THREAD_STATE(TASK_RUNNING);
+        remove_wait_queue(&thread->waitQ, &wait);
+        if (kthread_should_stop() || Adapter->SurpriseRemoved) {
+            PRINTM(INFO, "main-thread: break from main thread: "
+                   "SurpriseRemoved=0x%x\n", Adapter->SurpriseRemoved);
+            /* Cancel pending command */
+            if (Adapter->cmd_pending == TRUE) {
+                /* Wake up cmd Q */
+                Adapter->CmdWaitQWoken = TRUE;
+                wake_up_interruptible(&Adapter->cmdwait_q);
+            }
+            break;
+        }
+
+        PRINTM(INFO, "Main: Thread waking up...\n");
+        if (priv->adapter->IntCounter) {
+            OS_INT_DISABLE;
+            Adapter->IntCounter = 0;
+            OS_INT_RESTORE;
+            sbi_get_int_status(priv, &ireg);
+        } else if ((priv->adapter->ps_state == PS_STATE_SLEEP) &&
+                   (!skb_queue_empty(&priv->adapter->cmd_queue) ||
+                    !skb_queue_empty(&priv->adapter->tx_queue))) {
+            priv->adapter->WakeupTries++;
+            PRINTM(CMND, "%lu : Wakeup device...\n", os_time_get());
+            sbi_wakeup_firmware(priv);
+            continue;
+        }
+        if (Adapter->ps_state == PS_STATE_PRE_SLEEP)
+            uap_ps_cond_check(priv);
+
+        /* The PS state is changed during processing of Sleep Request event
+           above */
+        if ((Adapter->ps_state == PS_STATE_SLEEP) ||
+            (Adapter->ps_state == PS_STATE_PRE_SLEEP))
+            continue;
+        /* Execute the next command */
+        if (!priv->uap_dev.cmd_sent && !Adapter->cmd_pending &&
+            (Adapter->HardwareStatus == HWReady)) {
+            if (!skb_queue_empty(&priv->adapter->cmd_queue)) {
+                skb = skb_dequeue(&priv->adapter->cmd_queue);
+                if (skb) {
+                    Adapter->CmdSize = 0;
+                    Adapter->cmd_pending = TRUE;
+                    Adapter->cmd_wait_option = skb->cb[0];
+                    if (sbi_host_to_card(priv, skb->data, skb->len)) {
+                        PRINTM(ERROR, "Cmd:sbi_host_to_card failed!\n");
+                        Adapter->cmd_pending = FALSE;
+                        Adapter->dbg.num_cmd_host_to_card_failure++;
+                        /* Wake up cmd Q */
+                        Adapter->CmdWaitQWoken = TRUE;
+                        wake_up_interruptible(&Adapter->cmdwait_q);
+                    } else {
+                        if (Adapter->cmd_wait_option ==
+                            HostCmd_OPTION_WAITFORSEND) {
+                            /* Wake up cmd Q */
+                            Adapter->CmdWaitQWoken = TRUE;
+                            wake_up_interruptible(&Adapter->cmdwait_q);
+                            Adapter->cmd_wait_option = FALSE;
+                        }
+                    }
+                    kfree_skb(skb);
+                }
+            }
+        }
+        if (!priv->uap_dev.data_sent && (Adapter->HardwareStatus == HWReady)) {
+            if (!skb_queue_empty(&priv->adapter->tx_queue)) {
+                skb = skb_dequeue(&priv->adapter->tx_queue);
+                if (skb) {
+                    if (uap_process_tx(priv, skb)) {
+                        priv->stats.tx_dropped++;
+                        priv->stats.tx_errors++;
+                        os_start_queue(priv);
+                    } else {
+                        priv->stats.tx_packets++;
+                        priv->stats.tx_bytes += skb->len;
+                    }
+
+                }
+            }
+        }
+    }
+    uap_deactivate_thread(thread);
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief uap hostcmd ioctl handler
+ *
+ *  @param dev      A pointer to net_device structure
+ *  @param req      A pointer to ifreq structure
+ *  @return         UAP_STATUS_SUCCESS --success, otherwise fail
+ */
+/*********  format of ifr_data *************/
+/*    buf_len + Hostcmd_body 		   */
+/*    buf_len: 4 bytes                     */
+/*             the length of the buf which */
+/*             can be used to return data  */
+/*             to application		   */
+/*    Hostcmd_body       	           */
+/*******************************************/
+static int
+uap_hostcmd_ioctl(struct net_device *dev, struct ifreq *req)
+{
+    u32 buf_len;
+    HostCmd_HEADER head;
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+    uap_adapter *Adapter = priv->adapter;
+    int ret = UAP_STATUS_SUCCESS;
+    struct sk_buff *skb;
+
+    ENTER();
+
+    /* Sanity check */
+    if (req->ifr_data == NULL) {
+        PRINTM(ERROR, "uap_hostcmd_ioctl() corrupt data\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    if (copy_from_user(&buf_len, req->ifr_data, sizeof(buf_len))) {
+        PRINTM(ERROR, "Copy from user failed\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    memset(&head, 0, sizeof(HostCmd_HEADER));
+    /* Get the command size from user space */
+    if (copy_from_user
+        (&head, req->ifr_data + sizeof(buf_len), sizeof(HostCmd_HEADER))) {
+        PRINTM(ERROR, "Copy from user failed\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    head.Size = uap_le16_to_cpu(head.Size);
+    if (head.Size > MRVDRV_SIZE_OF_CMD_BUFFER) {
+        PRINTM(ERROR, "CmdSize too big=%d\n", head.Size);
+        LEAVE();
+        return -EFAULT;
+    }
+    PRINTM(CMND, "ioctl: hostcmd=%x, size=%d,buf_len=%d\n", head.Command,
+           head.Size, buf_len);
+    skb = dev_alloc_skb(head.Size + INTF_HEADER_LEN);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        LEAVE();
+        return -ENOMEM;
+    }
+
+    /* Get the command from user space */
+    if (copy_from_user
+        (skb->data + INTF_HEADER_LEN, req->ifr_data + sizeof(buf_len),
+         head.Size)) {
+        PRINTM(ERROR, "Copy from user failed\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    skb_put(skb, head.Size + INTF_HEADER_LEN);
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP)) {
+        PRINTM(ERROR, "Fail to process cmd\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    if (!Adapter->CmdSize) {
+        PRINTM(ERROR, "Cmd Size is 0\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    if (Adapter->CmdSize > buf_len) {
+        PRINTM(ERROR, "buf_len is too small\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    /* Copy to user */
+    if (copy_to_user
+        (req->ifr_data + sizeof(buf_len), Adapter->CmdBuf, Adapter->CmdSize)) {
+        PRINTM(ERROR, "Copy to user failed!\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief uap power mode ioctl handler
+ *
+ *  @param dev      A pointer to net_device structure
+ *  @param req      A pointer to ifreq structure
+ *  @return         UAP_STATUS_SUCCESS --success, otherwise fail
+ */
+static int
+uap_power_mode_ioctl(struct net_device *dev, struct ifreq *req)
+{
+    ps_mgmt pm_cfg;
+    int ret = UAP_STATUS_SUCCESS;
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb = NULL;
+    HostCmd_DS_COMMAND *cmd;
+    u32 CmdSize;
+    u8 *tlv = NULL;
+    MrvlIEtypes_sleep_param_t *sleep_tlv = NULL;
+    MrvlIEtypes_inact_sleep_param_t *inact_tlv = NULL;
+    u16 tlv_buf_left = 0;
+    MrvlIEtypesHeader_t *tlvbuf = NULL;
+    u16 tlv_type = 0;
+    u16 tlv_len = 0;
+
+    ENTER();
+
+    /* Sanity check */
+    if (req->ifr_data == NULL) {
+        PRINTM(ERROR, "uap_power_mode_ioctl() corrupt data\n");
+        LEAVE();
+        return -EFAULT;
+    }
+
+    memset(&pm_cfg, 0, sizeof(ps_mgmt));
+    if (copy_from_user(&pm_cfg, req->ifr_data, sizeof(ps_mgmt))) {
+        PRINTM(ERROR, "Copy from user failed\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    PRINTM(CMND,
+           "ioctl power: flag=0x%x ps_mode=%d ctrl_bitmap=%d min_sleep=%d max_sleep=%d "
+           "inact_to=%d min_awake=%d max_awake=%d\n", pm_cfg.flags,
+           (int) pm_cfg.ps_mode, (int) pm_cfg.sleep_param.ctrl_bitmap,
+           (int) pm_cfg.sleep_param.min_sleep,
+           (int) pm_cfg.sleep_param.max_sleep,
+           (int) pm_cfg.inact_param.inactivity_to,
+           (int) pm_cfg.inact_param.min_awake,
+           (int) pm_cfg.inact_param.max_awake);
+
+    if (pm_cfg.
+        flags & ~(PS_FLAG_PS_MODE | PS_FLAG_SLEEP_PARAM |
+                  PS_FLAG_INACT_SLEEP_PARAM)) {
+        PRINTM(ERROR, "Invalid parameter: flags = 0x%x\n", pm_cfg.flags);
+        ret = -EINVAL;
+        goto done;
+    }
+    if (pm_cfg.ps_mode > PS_MODE_INACTIVITY) {
+        PRINTM(ERROR, "Invalid parameter: ps_mode = %d\n", (int) pm_cfg.flags);
+        ret = -EINVAL;
+        goto done;
+    }
+
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(INFO, "No free skb\n");
+        ret = -ENOMEM;
+        goto done;
+    }
+
+    CmdSize = S_DS_GEN + sizeof(HostCmd_DS_POWER_MGMT_EXT);
+
+    cmd = (HostCmd_DS_COMMAND *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HOST_CMD_POWER_MGMT_EXT);
+    if (!pm_cfg.flags) {
+        cmd->params.pm_cfg.action = uap_cpu_to_le16(ACTION_GET);
+    } else {
+        cmd->params.pm_cfg.action = uap_cpu_to_le16(ACTION_SET);
+        cmd->params.pm_cfg.power_mode = uap_cpu_to_le16(pm_cfg.ps_mode);
+        tlv = (u8 *) & cmd->params.pm_cfg + sizeof(HostCmd_DS_POWER_MGMT_EXT);
+
+        if ((pm_cfg.ps_mode) && (pm_cfg.flags & PS_FLAG_SLEEP_PARAM)) {
+            sleep_tlv = (MrvlIEtypes_sleep_param_t *) tlv;
+            sleep_tlv->header.Type = uap_cpu_to_le16(TLV_TYPE_AP_SLEEP_PARAM);
+            sleep_tlv->header.Len =
+                uap_cpu_to_le16(sizeof(MrvlIEtypes_sleep_param_t) -
+                                sizeof(MrvlIEtypesHeader_t));
+            sleep_tlv->ctrl_bitmap =
+                uap_cpu_to_le32(pm_cfg.sleep_param.ctrl_bitmap);
+            sleep_tlv->min_sleep =
+                uap_cpu_to_le32(pm_cfg.sleep_param.min_sleep);
+            sleep_tlv->max_sleep =
+                uap_cpu_to_le32(pm_cfg.sleep_param.max_sleep);
+            CmdSize += sizeof(MrvlIEtypes_sleep_param_t);
+            tlv += sizeof(MrvlIEtypes_sleep_param_t);
+        }
+        if ((pm_cfg.ps_mode == PS_MODE_INACTIVITY) &&
+            (pm_cfg.flags & PS_FLAG_INACT_SLEEP_PARAM)) {
+            inact_tlv = (MrvlIEtypes_inact_sleep_param_t *) tlv;
+            inact_tlv->header.Type =
+                uap_cpu_to_le16(TLV_TYPE_AP_INACT_SLEEP_PARAM);
+            inact_tlv->header.Len =
+                uap_cpu_to_le16(sizeof(MrvlIEtypes_inact_sleep_param_t) -
+                                sizeof(MrvlIEtypesHeader_t));
+            inact_tlv->inactivity_to =
+                uap_cpu_to_le32(pm_cfg.inact_param.inactivity_to);
+            inact_tlv->min_awake =
+                uap_cpu_to_le32(pm_cfg.inact_param.min_awake);
+            inact_tlv->max_awake =
+                uap_cpu_to_le32(pm_cfg.inact_param.max_awake);
+            CmdSize += sizeof(MrvlIEtypes_inact_sleep_param_t);
+            tlv += sizeof(MrvlIEtypes_inact_sleep_param_t);
+        }
+    }
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP)) {
+        PRINTM(ERROR, "Fail to process cmd POWER_MODE\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    if (!Adapter->CmdSize) {
+        PRINTM(ERROR, "Cmd Size is 0\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    cmd = (HostCmd_DS_COMMAND *) Adapter->CmdBuf;
+    cmd->Result = uap_le16_to_cpu(cmd->Result);
+    if (cmd->Result != UAP_STATUS_SUCCESS) {
+        PRINTM(ERROR, "HOST_CMD_APCMD_POWER_MODE fail=%x\n", cmd->Result);
+        ret = -EFAULT;
+        goto done;
+    }
+    if (pm_cfg.flags) {
+        Adapter->psmode = uap_le16_to_cpu(cmd->params.pm_cfg.power_mode);
+    } else {
+        pm_cfg.flags = PS_FLAG_PS_MODE;
+        pm_cfg.ps_mode = uap_le16_to_cpu(cmd->params.pm_cfg.power_mode);
+        tlv_buf_left =
+            cmd->Size - (sizeof(HostCmd_DS_POWER_MGMT_EXT) + S_DS_GEN);
+        tlvbuf =
+            (MrvlIEtypesHeader_t *) ((u8 *) & cmd->params.pm_cfg +
+                                     sizeof(HostCmd_DS_POWER_MGMT_EXT));
+        while (tlv_buf_left >= sizeof(MrvlIEtypesHeader_t)) {
+            tlv_type = uap_le16_to_cpu(tlvbuf->Type);
+            tlv_len = uap_le16_to_cpu(tlvbuf->Len);
+            switch (tlv_type) {
+            case TLV_TYPE_AP_SLEEP_PARAM:
+                sleep_tlv = (MrvlIEtypes_sleep_param_t *) tlvbuf;
+                pm_cfg.flags |= PS_FLAG_SLEEP_PARAM;
+                pm_cfg.sleep_param.ctrl_bitmap =
+                    uap_le32_to_cpu(sleep_tlv->ctrl_bitmap);
+                pm_cfg.sleep_param.min_sleep =
+                    uap_le32_to_cpu(sleep_tlv->min_sleep);
+                pm_cfg.sleep_param.max_sleep =
+                    uap_le32_to_cpu(sleep_tlv->max_sleep);
+                break;
+            case TLV_TYPE_AP_INACT_SLEEP_PARAM:
+                inact_tlv = (MrvlIEtypes_inact_sleep_param_t *) tlvbuf;
+                pm_cfg.flags |= PS_FLAG_INACT_SLEEP_PARAM;
+                pm_cfg.inact_param.inactivity_to =
+                    uap_le32_to_cpu(inact_tlv->inactivity_to);
+                pm_cfg.inact_param.min_awake =
+                    uap_le32_to_cpu(inact_tlv->min_awake);
+                pm_cfg.inact_param.max_awake =
+                    uap_le32_to_cpu(inact_tlv->max_awake);
+                break;
+            }
+            tlv_buf_left -= tlv_len + sizeof(MrvlIEtypesHeader_t);
+            tlvbuf =
+                (MrvlIEtypesHeader_t *) ((u8 *) tlvbuf + tlv_len +
+                                         sizeof(MrvlIEtypesHeader_t));
+        }
+        /* Copy to user */
+        if (copy_to_user(req->ifr_data, &pm_cfg, sizeof(ps_mgmt))) {
+            PRINTM(ERROR, "Copy to user failed!\n");
+            LEAVE();
+            return -EFAULT;
+        }
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function send bss_stop command to firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS on success, otherwise failure code
+ */
+static int
+uap_bss_stop(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u32 CmdSize;
+    HostCmd_DS_GEN *cmd;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb;
+    ENTER();
+    if (Adapter->HardwareStatus != HWReady) {
+        PRINTM(ERROR, "uap_bss_stop:Hardware is not ready!\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        ret = -ENOMEM;
+        goto done;
+    }
+    CmdSize = sizeof(HostCmd_DS_GEN);
+    cmd = (HostCmd_DS_GEN *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HOST_CMD_APCMD_BSS_STOP);
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    PRINTM(CMND, "APCMD_BSS_STOP\n");
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP_TIMEOUT)) {
+        PRINTM(ERROR, "Fail to process cmd BSS_STOP\n");
+        ret = -EFAULT;
+        goto done;
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/********************************************************
+		Global Functions
+********************************************************/
+/**
+ *  @brief This function send soft_reset command to firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS on success, otherwise failure code
+ */
+int
+uap_soft_reset(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u32 CmdSize;
+    HostCmd_DS_GEN *cmd;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb;
+    ENTER();
+    ret = uap_bss_stop(priv);
+    if (ret != UAP_STATUS_SUCCESS)
+        goto done;
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        ret = -ENOMEM;
+        goto done;
+    }
+    CmdSize = sizeof(HostCmd_DS_GEN);
+    cmd = (HostCmd_DS_GEN *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HOST_CMD_APCMD_SOFT_RESET);
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    PRINTM(CMND, "APCMD_SOFT_RESET\n");
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORSEND)) {
+        PRINTM(ERROR, "Fail to process cmd SOFT_RESET\n");
+        ret = -EFAULT;
+        goto done;
+    }
+    Adapter->SurpriseRemoved = TRUE;
+    /* delay to allow hardware complete reset */
+    os_sched_timeout(5);
+    if (priv->MediaConnected == TRUE) {
+        os_stop_queue(priv);
+        os_carrier_off(priv);
+        priv->MediaConnected = FALSE;
+    }
+    Adapter->CmdSize = 0;
+    Adapter->CmdWaitQWoken = TRUE;
+    wake_up_interruptible(&Adapter->cmdwait_q);
+    skb_queue_purge(&priv->adapter->tx_queue);
+    skb_queue_purge(&priv->adapter->cmd_queue);
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function processes received packet and forwards it
+ *  to kernel/upper layer
+ *
+ *  @param priv    A pointer to uap_private
+ *  @param skb     A pointer to skb which includes the received packet
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+uap_process_rx_packet(uap_private * priv, struct sk_buff *skb)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    RxPD *pRxPD;
+    ENTER();
+    priv->adapter->ps_state = PS_STATE_AWAKE;
+    pRxPD = (RxPD *) skb->data;
+    endian_convert_RxPD(pRxPD);
+    DBG_HEXDUMP(DAT_D, "Rx", skb->data, MIN(skb->len, DATA_DUMP_LEN));
+    skb_pull(skb, pRxPD->RxPktOffset);
+    priv->stats.rx_packets++;
+    priv->stats.rx_bytes += skb->len;
+    os_upload_rx_packet(priv, skb);
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function opens the network device
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return        UAP_STATUS_SUCCESS
+ */
+static int
+uap_open(struct net_device *dev)
+{
+    uap_private *priv = (uap_private *) (uap_private *) netdev_priv(dev);
+    uap_adapter *Adapter = priv->adapter;
+    int i = 0;
+
+    ENTER();
+
+    /* On some systems the device open handler will be called before HW ready. */
+    /* Use the following flag check and wait function to work around the issue. */
+    while ((Adapter->HardwareStatus != HWReady) &&
+           (i < MAX_WAIT_DEVICE_READY_COUNT)) {
+        i++;
+        os_sched_timeout(100);
+    }
+    if (i >= MAX_WAIT_DEVICE_READY_COUNT) {
+        PRINTM(FATAL, "HW not ready, uap_open() return failure\n");
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+
+    if (MODULE_GET == 0)
+        return UAP_STATUS_FAILURE;
+
+    priv->open = TRUE;
+    if (priv->MediaConnected == TRUE) {
+        os_carrier_on(priv);
+        os_start_queue(priv);
+    } else {
+        os_stop_queue(priv);
+        os_carrier_off(priv);
+    }
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief This function closes the network device
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return        UAP_STATUS_SUCCESS
+ */
+static int
+uap_close(struct net_device *dev)
+{
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+
+    ENTER();
+    skb_queue_purge(&priv->adapter->tx_queue);
+    os_stop_queue(priv);
+    os_carrier_off(priv);
+
+    MODULE_PUT;
+    priv->open = FALSE;
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief This function returns the network statistics
+ *
+ *  @param dev     A pointer to uap_private structure
+ *  @return        A pointer to net_device_stats structure
+ */
+static struct net_device_stats *
+uap_get_stats(struct net_device *dev)
+{
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+
+    return &priv->stats;
+}
+
+/**
+ *  @brief This function sets the MAC address to firmware.
+ *
+ *  @param dev     A pointer to uap_private structure
+ *  @param addr    MAC address to set
+ *  @return        UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+uap_set_mac_address(struct net_device *dev, void *addr)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+    struct sockaddr *pHwAddr = (struct sockaddr *) addr;
+    u32 CmdSize;
+    HostCmd_DS_COMMAND *cmd;
+    MrvlIEtypes_MacAddr_t *pMacAddrTlv;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb;
+
+    ENTER();
+
+    /* Dump MAC address */
+    DBG_HEXDUMP(CMD_D, "Original MAC addr", dev->dev_addr, ETH_ALEN);
+    DBG_HEXDUMP(CMD_D, "New MAC addr", pHwAddr->sa_data, ETH_ALEN);
+    if (priv->open && (priv->MediaConnected == TRUE)) {
+        os_carrier_on(priv);
+        os_start_queue(priv);
+    }
+    skb = dev_alloc_skb(MRVDRV_SIZE_OF_CMD_BUFFER);
+    if (!skb) {
+        PRINTM(ERROR, "No free skb\n");
+        LEAVE();
+        return -ENOMEM;
+    }
+    CmdSize =
+        S_DS_GEN + sizeof(HostCmd_SYS_CONFIG) + sizeof(MrvlIEtypes_MacAddr_t);
+    cmd = (HostCmd_DS_COMMAND *) (skb->data + INTF_HEADER_LEN);
+    cmd->Command = uap_cpu_to_le16(HOST_CMD_APCMD_SYS_CONFIGURE);
+    cmd->Size = uap_cpu_to_le16(CmdSize);
+    cmd->params.sys_config.Action = uap_cpu_to_le16(ACTION_SET);
+    pMacAddrTlv =
+        (MrvlIEtypes_MacAddr_t *) ((u8 *) cmd + S_DS_GEN +
+                                   sizeof(HostCmd_SYS_CONFIG));
+    pMacAddrTlv->Header.Type = uap_cpu_to_le16(MRVL_AP_MAC_ADDRESS_TLV_ID);
+    pMacAddrTlv->Header.Len = uap_cpu_to_le16(ETH_ALEN);
+    memcpy(pMacAddrTlv->ApMacAddr, pHwAddr->sa_data, ETH_ALEN);
+    skb_put(skb, CmdSize + INTF_HEADER_LEN);
+    PRINTM(CMND, "set_mac_address\n");
+    if (UAP_STATUS_SUCCESS !=
+        uap_process_cmd(priv, skb, HostCmd_OPTION_WAITFORRSP_TIMEOUT)) {
+        PRINTM(ERROR, "Fail to set mac address\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    if (!Adapter->CmdSize) {
+        PRINTM(ERROR, "Cmd Size is 0\n");
+        LEAVE();
+        return -EFAULT;
+    }
+    cmd = (HostCmd_DS_COMMAND *) Adapter->CmdBuf;
+    cmd->Result = uap_cpu_to_le16(cmd->Result);
+    if (cmd->Result != UAP_STATUS_SUCCESS) {
+        PRINTM(ERROR, "set mac addrress fail,cmd result=%x\n", cmd->Result);
+        ret = -EFAULT;
+    } else
+        memcpy(dev->dev_addr, pHwAddr->sa_data, ETH_ALEN);
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function handles the timeout of packet
+ *  transmission
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return        n/a
+ */
+static void
+uap_tx_timeout(struct net_device *dev)
+{
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+
+    ENTER();
+
+    PRINTM(DATA, "Tx timeout\n");
+    UpdateTransStart(dev);
+    priv->num_tx_timeout++;
+    priv->adapter->IntCounter++;
+    wake_up_interruptible(&priv->MainThread.waitQ);
+
+    LEAVE();
+}
+
+/**
+ *  @brief This function handles packet transmission
+ *
+ *  @param skb     A pointer to sk_buff structure
+ *  @param dev     A pointer to net_device structure
+ *  @return        UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+uap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+    uap_private *priv = (uap_private *) netdev_priv(dev);
+    int ret = UAP_STATUS_SUCCESS;
+
+    ENTER();
+    PRINTM(DATA, "Data <= kernel\n");
+    DBG_HEXDUMP(DAT_D, "Tx", skb->data, MIN(skb->len, DATA_DUMP_LEN));
+    /* skb sanity check */
+    if (!skb->len || (skb->len > MRVDRV_MAXIMUM_ETH_PACKET_SIZE)) {
+        PRINTM(ERROR, "Tx Error: Bad skb length %d : %d\n", skb->len,
+               MRVDRV_MAXIMUM_ETH_PACKET_SIZE);
+        priv->stats.tx_dropped++;
+        kfree(skb);
+        goto done;
+    }
+    skb_queue_tail(&priv->adapter->tx_queue, skb);
+    wake_up_interruptible(&priv->MainThread.waitQ);
+    if (skb_queue_len(&priv->adapter->tx_queue) > TX_HIGH_WATERMARK) {
+        UpdateTransStart(dev);
+        os_stop_queue(priv);
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief ioctl function - entry point
+ *
+ *  @param dev      A pointer to net_device structure
+ *  @param req      A pointer to ifreq structure
+ *  @param cmd      command
+ *  @return         UAP_STATUS_SUCCESS--success, otherwise fail
+ */
+static int
+uap_do_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
+{
+    int ret = UAP_STATUS_SUCCESS;
+
+    ENTER();
+
+    PRINTM(CMND, "uap_do_ioctl: ioctl cmd = 0x%x\n", cmd);
+
+    switch (cmd) {
+    case UAPHOSTCMD:
+        ret = uap_hostcmd_ioctl(dev, req);
+        break;
+    case UAP_POWER_MODE:
+        ret = uap_power_mode_ioctl(dev, req);
+        break;
+    default:
+        ret = -EINVAL;
+        break;
+    }
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function handles events generated by firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param payload A pointer to payload buffer
+ *  @param len	   Length of the payload
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+uap_process_event(uap_private * priv, u8 * payload, uint len)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    uap_adapter *Adapter = priv->adapter;
+    struct sk_buff *skb = NULL;
+    struct nlmsghdr *nlh = NULL;
+    struct sock *sk = Adapter->nl_sk;
+    AP_Event *pEvent;
+
+    ENTER();
+    Adapter->ps_state = PS_STATE_AWAKE;
+    if (len > NL_MAX_PAYLOAD) {
+        PRINTM(ERROR, "event size is too big!!! len=%d\n", len);
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+    pEvent = (AP_Event *) payload;
+    PRINTM(CMND, "Event: %d\n", pEvent->EventId);
+    switch (pEvent->EventId) {
+    case MICRO_AP_EV_ID_BSS_START:
+        memcpy(priv->uap_dev.netdev->dev_addr, pEvent->MacAddr, ETH_ALEN);
+        DBG_HEXDUMP(CMD_D, "BSS MAC addr", priv->uap_dev.netdev->dev_addr,
+                    ETH_ALEN);
+        break;
+    case MICRO_AP_EV_BSS_ACTIVE:
+        // carrier on
+        priv->MediaConnected = TRUE;
+        os_carrier_on(priv);
+        os_start_queue(priv);
+        break;
+    case MICRO_AP_EV_BSS_IDLE:
+        os_stop_queue(priv);
+        os_carrier_off(priv);
+        priv->MediaConnected = FALSE;
+        break;
+    case EVENT_PS_AWAKE:
+        PRINTM(CMND, "UAP: PS_AWAKE\n");
+        Adapter->ps_state = PS_STATE_AWAKE;
+        Adapter->WakeupTries = 0;
+        break;
+    case EVENT_PS_SLEEP:
+        PRINTM(CMND, "UAP: PS_SLEEP\n");
+        Adapter->ps_state = PS_STATE_PRE_SLEEP;
+        break;
+    default:
+        break;
+    }
+    if ((pEvent->EventId == EVENT_PS_AWAKE) ||
+        (pEvent->EventId == EVENT_PS_SLEEP))
+        goto done;
+    if (sk) {
+        /* Allocate skb */
+        if (!(skb = alloc_skb(NLMSG_SPACE(NL_MAX_PAYLOAD), GFP_ATOMIC))) {
+            PRINTM(ERROR, "Could not allocate skb for netlink.\n");
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+        nlh = (struct nlmsghdr *) skb->data;
+        nlh->nlmsg_len = NLMSG_SPACE(len);
+
+        /* From kernel */
+        nlh->nlmsg_pid = 0;
+        nlh->nlmsg_flags = 0;
+
+        /* Data */
+        skb_put(skb, nlh->nlmsg_len);
+        memcpy(NLMSG_DATA(nlh), payload, len);
+
+        /* From Kernel */
+        NETLINK_CB(skb).portid = 0;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+        /* Multicast message */
+        NETLINK_CB(skb).dst_pid = 0;
+#endif
+
+        /* Multicast group number */
+        NETLINK_CB(skb).dst_group = NL_MULTICAST_GROUP;
+
+        /* Send message */
+        netlink_broadcast(sk, skb, 0, NL_MULTICAST_GROUP, GFP_KERNEL);
+
+        ret = UAP_STATUS_SUCCESS;
+    } else {
+        PRINTM(ERROR, "Could not send event through NETLINK. Link down.\n");
+        ret = UAP_STATUS_FAILURE;
+    }
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function handles the interrupt. it will change PS
+ *  state if applicable. it will wake up main_thread to handle
+ *  the interrupt event as well.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return        n/a
+ */
+void
+uap_interrupt(uap_private * priv)
+{
+    ENTER();
+    priv->adapter->IntCounter++;
+    priv->adapter->WakeupTries = 0;
+    PRINTM(INFO, "*\n");
+    wake_up_interruptible(&priv->MainThread.waitQ);
+
+    LEAVE();
+
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)
+/** Network device handlers */
+static const struct net_device_ops uap_netdev_ops = {
+    .ndo_open = uap_open,
+    .ndo_start_xmit = uap_hard_start_xmit,
+    .ndo_stop = uap_close,
+    .ndo_do_ioctl = uap_do_ioctl,
+    .ndo_set_mac_address = uap_set_mac_address,
+    .ndo_tx_timeout = uap_tx_timeout,
+    .ndo_get_stats = uap_get_stats,
+};
+#endif
+
+/**
+ * @brief This function adds the card. it will probe the
+ * card, allocate the uap_priv and initialize the device.
+ *
+ *  @param card    A pointer to card
+ *  @return        A pointer to uap_private structure
+ */
+uap_private *
+uap_add_card(void *card)
+{
+    struct net_device *dev = NULL;
+    uap_private *priv = NULL;
+
+    ENTER();
+
+    if (OS_ACQ_SEMAPHORE_BLOCK(&AddRemoveCardSem))
+        goto exit_sem_err;
+
+    /* Allocate an Ethernet device */
+    if (!(dev = alloc_etherdev(sizeof(uap_private)))) {
+        PRINTM(FATAL, "Init ethernet device failed!\n");
+        goto error;
+    }
+    priv = (uap_private *) netdev_priv(dev);
+
+    /* Allocate name */
+    if (dev_alloc_name(dev, "uap%d") < 0) {
+        PRINTM(ERROR, "Could not allocate device name!\n");
+        goto error;
+    }
+
+    /* Allocate buffer for uap_adapter */
+    if (!(priv->adapter = kmalloc(sizeof(uap_adapter), GFP_KERNEL))) {
+        PRINTM(FATAL, "Allocate buffer for uap_adapter failed!\n");
+        goto error;
+    }
+    memset(priv->adapter, 0, sizeof(uap_adapter));
+
+    priv->uap_dev.netdev = dev;
+    priv->uap_dev.card = card;
+    priv->MediaConnected = FALSE;
+    uappriv = priv;
+    ((struct sdio_mmc_card *) card)->priv = priv;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+    SET_MODULE_OWNER(dev);
+#endif
+
+    /* Setup the OS Interface to our functions */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
+    dev->open = uap_open;
+    dev->stop = uap_close;
+    dev->hard_start_xmit = uap_hard_start_xmit;
+    dev->tx_timeout = uap_tx_timeout;
+    dev->get_stats = uap_get_stats;
+    dev->do_ioctl = uap_do_ioctl;
+    dev->set_mac_address = uap_set_mac_address;
+    dev->set_multicast_list = uap_set_multicast_list;
+#else
+    dev->netdev_ops = &uap_netdev_ops;
+#endif
+    dev->watchdog_timeo = MRVDRV_DEFAULT_WATCHDOG_TIMEOUT;
+    dev->hard_header_len += sizeof(TxPD) + INTF_HEADER_LEN;
+    dev->hard_header_len += HEADER_ALIGNMENT;
+#define NETIF_F_DYNALLOC 16
+    dev->features |= NETIF_F_DYNALLOC;
+    dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+
+    /* Init SW */
+    if (uap_init_sw(priv)) {
+        PRINTM(FATAL, "Software Init Failed\n");
+        goto error;
+    }
+
+    PRINTM(INFO, "Starting kthread...\n");
+    priv->MainThread.priv = priv;
+    spin_lock_init(&priv->driver_lock);
+    uap_create_thread(uap_service_main_thread, &priv->MainThread,
+                      "uap_main_service");
+    while (priv->MainThread.pid == 0) {
+        os_sched_timeout(2);
+    }
+
+    /* Register the device */
+    if (sbi_register_dev(priv) < 0) {
+        PRINTM(FATAL, "Failed to register uap device!\n");
+        goto err_registerdev;
+    }
+#ifdef FW_DNLD_NEEDED
+    SET_NETDEV_DEV(dev, priv->hotplug_device);
+#endif
+
+    /* Init FW and HW */
+    if (uap_init_fw(priv)) {
+        PRINTM(FATAL, "Firmware Init Failed\n");
+        goto err_init_fw;
+    }
+
+    priv->uap_dev.cmd_sent = FALSE;
+    priv->uap_dev.data_sent = FALSE;
+
+    /* Get mac address from firmware */
+    if (uap_get_mac_address(priv)) {
+        PRINTM(FATAL, "Fail to get mac address\n");
+        goto err_init_fw;
+    }
+    /* Register network device */
+    if (register_netdev(dev)) {
+        printk(KERN_ERR "Cannot register network device!\n");
+        goto err_init_fw;
+    }
+#ifdef CONFIG_PROC_FS
+    uap_proc_entry(priv, dev);
+    uap_debug_entry(priv, dev);
+#endif /* CPNFIG_PROC_FS */
+    OS_REL_SEMAPHORE(&AddRemoveCardSem);
+
+    LEAVE();
+    return priv;
+  err_init_fw:
+    sbi_unregister_dev(priv);
+  err_registerdev:
+    ((struct sdio_mmc_card *) card)->priv = NULL;
+    /* Stop the thread servicing the interrupts */
+    priv->adapter->SurpriseRemoved = TRUE;
+    wake_up_interruptible(&priv->MainThread.waitQ);
+    while (priv->MainThread.pid) {
+        os_sched_timeout(1);
+    }
+  error:
+    if (dev) {
+        if (dev->reg_state == NETREG_REGISTERED)
+            unregister_netdev(dev);
+        if (priv->adapter)
+            uap_free_adapter(priv);
+        free_netdev(dev);
+        uappriv = NULL;
+    }
+    OS_REL_SEMAPHORE(&AddRemoveCardSem);
+  exit_sem_err:
+    LEAVE();
+    return NULL;
+}
+
+/**
+ *  @brief This function removes the card.
+ *
+ *  @param card    A pointer to card
+ *  @return        UAP_STATUS_SUCCESS
+ */
+int
+uap_remove_card(void *card)
+{
+    uap_private *priv = uappriv;
+    uap_adapter *Adapter;
+    struct net_device *dev;
+
+    ENTER();
+
+    if (OS_ACQ_SEMAPHORE_BLOCK(&AddRemoveCardSem))
+        goto exit_sem_err;
+
+    if (!priv || !(Adapter = priv->adapter)) {
+        goto exit_remove;
+    }
+    Adapter->SurpriseRemoved = TRUE;
+    if (Adapter->cmd_pending == TRUE) {
+        /* Wake up cmd Q */
+        Adapter->CmdWaitQWoken = TRUE;
+        wake_up_interruptible(&Adapter->cmdwait_q);
+    }
+    dev = priv->uap_dev.netdev;
+    if (priv->MediaConnected == TRUE) {
+        os_stop_queue(priv);
+        os_carrier_off(priv);
+        priv->MediaConnected = FALSE;
+    }
+    Adapter->CmdSize = 0;
+    Adapter->CmdWaitQWoken = TRUE;
+    wake_up_interruptible(&Adapter->cmdwait_q);
+    skb_queue_purge(&priv->adapter->tx_queue);
+    skb_queue_purge(&priv->adapter->cmd_queue);
+
+    /* Disable interrupts on the card */
+    sbi_disable_host_int(priv);
+    PRINTM(INFO, "netdev_finish_unregister: %s%s.\n", dev->name,
+           (dev->features & NETIF_F_DYNALLOC) ? "" : ", old style");
+    unregister_netdev(dev);
+    PRINTM(INFO, "Unregister finish\n");
+    wake_up_interruptible(&priv->MainThread.waitQ);
+    while (priv->MainThread.pid) {
+        os_sched_timeout(1);
+    }
+
+    if ((Adapter->nl_sk) && ((Adapter->nl_sk)->sk_socket)) {
+        sock_release((Adapter->nl_sk)->sk_socket);
+        Adapter->nl_sk = NULL;
+    }
+#ifdef CONFIG_PROC_FS
+    uap_debug_remove(priv);
+    uap_proc_remove(priv);
+#endif
+    sbi_unregister_dev(priv);
+    PRINTM(INFO, "Free Adapter\n");
+    uap_free_adapter(priv);
+    priv->uap_dev.netdev = NULL;
+    free_netdev(dev);
+    uappriv = NULL;
+
+  exit_remove:
+    OS_REL_SEMAPHORE(&AddRemoveCardSem);
+  exit_sem_err:
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief This function initializes module.
+ *
+ *  @return    UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int __init
+uap_init_module(void)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    ENTER();
+
+    OS_INIT_SEMAPHORE(&AddRemoveCardSem);
+    ret = sbi_register();
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function cleans module
+ *
+ *  @return        n/a
+ */
+static void __exit
+uap_cleanup_module(void)
+{
+    ENTER();
+
+    if (OS_ACQ_SEMAPHORE_BLOCK(&AddRemoveCardSem))
+        goto exit_sem_err;
+
+    if ((uappriv) && (uappriv->adapter)) {
+        uap_func_shutdown(uappriv);
+    }
+    OS_REL_SEMAPHORE(&AddRemoveCardSem);
+  exit_sem_err:
+    sbi_unregister();
+    LEAVE();
+}
+
+module_init(uap_init_module);
+module_exit(uap_cleanup_module);
+module_param(helper_name, charp, 0);
+MODULE_PARM_DESC(helper_name, "Helper name");
+module_param(fw_name, charp, 0);
+MODULE_PARM_DESC(fw_name, "Firmware name");
+
+MODULE_DESCRIPTION("M-UAP Driver");
+MODULE_AUTHOR("Marvell International Ltd.");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_proc.c backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_proc.c
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_proc.c	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_proc.c	2014-12-29 20:37:43.952431125 +0100
@@ -0,0 +1,258 @@
+/** @file uap_proc.c
+  * @brief This file contains functions for proc file.
+  *
+  * Copyright (C) 2008-2009, Marvell International Ltd.
+  *
+  * This software file (the "File") is distributed by Marvell International
+  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+  * (the "License").  You may use, redistribute and/or modify this File in
+  * accordance with the terms and conditions of the License, a copy of which
+  * is available along with the File in the gpl.txt file or by writing to
+  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+  * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+  *
+  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+  * this warranty disclaimer.
+  *
+  */
+#ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include "uap_headers.h"
+
+/** /proc directory root */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define PROC_DIR NULL
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+#define PROC_DIR &proc_root
+#else
+#define PROC_DIR proc_net
+#endif
+
+/********************************************************
+		Local Variables
+********************************************************/
+
+/********************************************************
+		Global Variables
+********************************************************/
+
+/********************************************************
+		Local Functions
+********************************************************/
+
+static int uap_info_proc_show(struct seq_file *s, void *data) {
+    int i;
+    struct net_device *netdev = (struct net_device*)s->private;
+    struct netdev_hw_addr *ha;
+    uap_private *priv = (uap_private *) netdev_priv(netdev);
+
+    seq_printf(s, "driver_name = " "\"uap\"\n");
+    seq_printf(s, "driver_version = %s-(FP%s)", DRIVER_VERSION, FPNUM);
+    seq_printf(s, "\nInterfaceName=\"%s\"\n", netdev->name);
+
+    seq_printf(s, "State=\"%s\"\n",
+                 ((priv->MediaConnected ==
+                   FALSE) ? "Disconnected" : "Connected"));
+    seq_printf(s, "MACAddress=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+                 netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
+                 netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+    i = 0;
+    netdev_for_each_mc_addr(ha, netdev) {
+        ++i;
+    }
+    seq_printf(s, "MCCount=\"%d\"\n", i);
+
+    /*
+     * Put out the multicast list
+     */
+    i = 0;
+    netdev_for_each_mc_addr(ha, netdev) {
+        seq_printf(s,
+                     "MCAddr[%d]=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+                     i++,
+                     ha->addr[0], ha->addr[1],
+                     ha->addr[2], ha->addr[3],
+                     ha->addr[4], ha->addr[5]);
+    }
+
+    seq_printf(s, "num_tx_bytes = %lu\n", priv->stats.tx_bytes);
+    seq_printf(s, "num_rx_bytes = %lu\n", priv->stats.rx_bytes);
+    seq_printf(s, "num_tx_pkts = %lu\n", priv->stats.tx_packets);
+    seq_printf(s, "num_rx_pkts = %lu\n", priv->stats.rx_packets);
+    seq_printf(s, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped);
+    seq_printf(s, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped);
+    seq_printf(s, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors);
+    seq_printf(s, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors);
+    seq_printf(s, "num_tx_timeout = %u\n", priv->num_tx_timeout);
+    seq_printf(s, "carrier %s\n",
+                 ((netif_carrier_ok(priv->uap_dev.netdev)) ? "on" : "off"));
+    seq_printf(s, "tx queue %s\n",
+                 ((netif_queue_stopped(priv->uap_dev.netdev)) ? "stopped" :
+                  "started"));
+
+    return 0;
+}
+
+static int uap_info_proc_open(struct inode *inode, struct file *file) {
+	return single_open(file, uap_info_proc_show, PDE_DATA(inode));
+}
+
+static int uap_hwstatus_proc_show(struct seq_file *s, void *data) {
+    struct net_device *netdev = (struct net_device*)s->private;
+    uap_private *priv = (uap_private *) netdev_priv(netdev);
+
+    MODULE_GET;
+    seq_printf(s, "%d\n", priv->adapter->HardwareStatus);
+    MODULE_PUT;
+
+    return 0;
+}
+
+static int uap_hwstatus_proc_open(struct inode *inode, struct file *file) {
+	return single_open(file, uap_hwstatus_proc_show, PDE_DATA(inode));
+}
+
+static ssize_t uap_hwstatus_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *data) {
+	struct net_device *netdev = (struct net_device *)PDE_DATA(file_inode(file));
+	uap_private *priv = (uap_private *) netdev_priv(netdev);
+
+	int hwstatus;
+	char value[10];
+
+	if (count > sizeof(value))
+		return count;
+
+	if (copy_from_user(&value, buffer, count))
+		return -EFAULT;
+
+	hwstatus = string_to_number(value);
+	switch (hwstatus) {
+	case HWReset:
+		PRINTM(MSG, "reset hw\n");
+		uap_soft_reset(priv);
+		priv->adapter->HardwareStatus = HWReset;
+		break;
+	default:
+		break;
+	}
+
+	MODULE_PUT;
+	return count;
+}
+
+static const struct file_operations uap_info_proc_fops = {
+	.owner   = THIS_MODULE,
+	.open    = uap_info_proc_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = single_release,
+};
+
+static const struct file_operations uap_hwstatus_proc_fops = {
+	.owner   = THIS_MODULE,
+	.open    = uap_hwstatus_proc_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = single_release,
+	.write   = uap_hwstatus_proc_write,
+};
+
+/********************************************************
+		Global Functions
+********************************************************/
+/**
+ *  @brief create uap proc file
+ *
+ *  @param priv	   pointer uap_private
+ *  @param dev     pointer net_device
+ *  @return	   N/A
+ */
+void
+uap_proc_entry(uap_private * priv, struct net_device *dev)
+{
+    PRINTM(INFO, "Creating Proc Interface\n");
+    /* Check if uap directory already exists */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+    struct proc_dir_entry *r = PROC_DIR;
+
+    for (r = r->subdir; r; r = r->next) {
+        if (r->namelen && !strcmp("uap", r->name)) {
+            /* Directory exists */
+            PRINTM(WARN, "proc directory already exists!\n");
+            priv->proc_uap = r;
+            break;
+        }
+    }
+#endif
+    if (!priv->proc_uap) {
+        priv->proc_uap = proc_mkdir("uap", PROC_DIR);
+        if (!priv->proc_uap)
+            return;
+    }
+    priv->proc_entry = proc_mkdir(dev->name, priv->proc_uap);
+
+    if (priv->proc_entry) {
+	proc_create_data("info", 0644, priv->proc_entry, &uap_info_proc_fops, dev);
+	proc_create_data("hwinfo", 0644, priv->proc_entry, &uap_hwstatus_proc_fops, dev);
+    }
+}
+
+/**
+ *  @brief remove proc file
+ *
+ *  @param priv	   pointer uap_private
+ *  @return	   N/A
+ */
+void
+uap_proc_remove(uap_private * priv)
+{
+    if (priv->proc_uap) {
+        if (priv->proc_entry) {
+            remove_proc_entry("info", priv->proc_entry);
+            remove_proc_entry("hwstatus", priv->proc_entry);
+        }
+        remove_proc_entry(priv->uap_dev.netdev->name, priv->proc_uap);
+    }
+}
+
+/**
+ *  @brief convert string to number
+ *
+ *  @param s	   pointer to numbered string
+ *  @return	   converted number from string s
+ */
+int
+string_to_number(char *s)
+{
+    int r = 0;
+    int base = 0;
+    int pn = 1;
+
+    if (strncmp(s, "-", 1) == 0) {
+        pn = -1;
+        s++;
+    }
+    if ((strncmp(s, "0x", 2) == 0) || (strncmp(s, "0X", 2) == 0)) {
+        base = 16;
+        s += 2;
+    } else
+        base = 10;
+
+    for (s = s; *s != 0; s++) {
+        if ((*s >= '0') && (*s <= '9'))
+            r = (r * base) + (*s - '0');
+        else if ((*s >= 'A') && (*s <= 'F'))
+            r = (r * base) + (*s - 'A' + 10);
+        else if ((*s >= 'a') && (*s <= 'f'))
+            r = (r * base) + (*s - 'a' + 10);
+        else
+            break;
+    }
+
+    return (r * pn);
+}
+
+#endif
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_sdio_mmc.c backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_sdio_mmc.c
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_sdio_mmc.c	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_sdio_mmc.c	2014-12-29 20:37:43.955764567 +0100
@@ -0,0 +1,1428 @@
+/** @file uap_sdio_mmc.c
+ *  @brief This file contains SDIO IF (interface) module
+ *  related functions.
+ *
+ * Copyright (C) 2007-2009, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available along with the File in the gpl.txt file or by writing to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+/****************************************************
+Change log:
+****************************************************/
+
+#include	"uap_sdio_mmc.h"
+
+#include <linux/firmware.h>
+
+/** define SDIO block size */
+/* We support up to 480-byte block size due to FW buffer limitation. */
+#define SD_BLOCK_SIZE		256
+
+/** define allocated buffer size */
+#define ALLOC_BUF_SIZE		(((MAX(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, \
+					MRVDRV_SIZE_OF_CMD_BUFFER) + INTF_HEADER_LEN \
+					+ SD_BLOCK_SIZE - 1) / SD_BLOCK_SIZE) * SD_BLOCK_SIZE)
+
+/** Max retry number of CMD53 write */
+#define MAX_WRITE_IOMEM_RETRY	2
+
+/********************************************************
+		Local Variables
+********************************************************/
+
+/** SDIO Rx unit */
+static u8 sdio_rx_unit = 0;
+
+/**Interrupt status */
+static u8 sd_ireg = 0;
+/********************************************************
+		Global Variables
+********************************************************/
+extern u8 *helper_name;
+extern u8 *fw_name;
+/** Default helper name */
+#define DEFAULT_HELPER_NAME "mrvl/helper_sd.bin"
+/** Default firmware name */
+#define DEFAULT_FW_NAME "mrvl/sd8688_ap.bin"
+
+/********************************************************
+		Local Functions
+********************************************************/
+/**
+ *  @brief This function reads the IO register.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param reg	   register to be read
+ *  @param dat	   A pointer to variable that keeps returned value
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+sbi_read_ioreg(uap_private * priv, u32 reg, u8 * dat)
+{
+    struct sdio_mmc_card *card;
+    int ret = UAP_STATUS_FAILURE;
+
+    ENTER();
+
+    card = priv->uap_dev.card;
+    if (!card || !card->func) {
+        PRINTM(ERROR, "sbi_read_ioreg(): card or function is NULL!\n");
+        goto done;
+    }
+
+    *dat = sdio_readb(card->func, reg, &ret);
+    if (ret) {
+        PRINTM(ERROR, "sbi_read_ioreg(): sdio_readb failed! ret=%d\n", ret);
+        goto done;
+    }
+
+    PRINTM(INFO, "sbi_read_ioreg() priv=%p func=%d reg=%#x dat=%#x\n", priv,
+           card->func->num, reg, *dat);
+
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function writes the IO register.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param reg	   register to be written
+ *  @param dat	   the value to be written
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+sbi_write_ioreg(uap_private * priv, u32 reg, u8 dat)
+{
+    struct sdio_mmc_card *card;
+    int ret = UAP_STATUS_FAILURE;
+
+    ENTER();
+
+    card = priv->uap_dev.card;
+    if (!card || !card->func) {
+        PRINTM(ERROR, "sbi_write_ioreg(): card or function is NULL!\n");
+        goto done;
+    }
+
+    PRINTM(INFO, "sbi_write_ioreg() priv=%p func=%d reg=%#x dat=%#x\n", priv,
+           card->func->num, reg, dat);
+
+    sdio_writeb(card->func, dat, reg, &ret);
+    if (ret) {
+        PRINTM(ERROR, "sbi_write_ioreg(): sdio_readb failed! ret=%d\n", ret);
+        goto done;
+    }
+
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function get rx_unit value
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+sd_get_rx_unit(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u8 reg;
+
+    ENTER();
+
+    ret = sbi_read_ioreg(priv, CARD_RX_UNIT_REG, &reg);
+    if (ret == UAP_STATUS_SUCCESS)
+        sdio_rx_unit = reg;
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function reads rx length
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param dat	   A pointer to keep returned data
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+sd_read_rx_len(uap_private * priv, u16 * dat)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u8 reg;
+
+    ENTER();
+
+    ret = sbi_read_ioreg(priv, CARD_RX_LEN_REG, &reg);
+    if (ret == UAP_STATUS_SUCCESS)
+        *dat = (u16) reg << sdio_rx_unit;
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function reads fw status registers
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param dat	   A pointer to keep returned data
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+sd_read_firmware_status(uap_private * priv, u16 * dat)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u8 fws0;
+    u8 fws1;
+
+    ENTER();
+
+    ret = sbi_read_ioreg(priv, CARD_FW_STATUS0_REG, &fws0);
+    if (ret < 0) {
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+
+    ret = sbi_read_ioreg(priv, CARD_FW_STATUS1_REG, &fws1);
+    if (ret < 0) {
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+
+    *dat = (((u16) fws1) << 8) | fws0;
+
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief This function polls the card status register.
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @param bits    	the bit mask
+ *  @return 	   	UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+mv_sdio_poll_card_status(uap_private * priv, u8 bits)
+{
+    int tries;
+    u8 cs;
+
+    ENTER();
+
+    for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+        if (sbi_read_ioreg(priv, CARD_STATUS_REG, &cs) < 0)
+            break;
+        else if ((cs & bits) == bits) {
+            LEAVE();
+            return UAP_STATUS_SUCCESS;
+        }
+        udelay(10);
+    }
+
+    PRINTM(WARN, "mv_sdio_poll_card_status failed, tries = %d\n", tries);
+
+    LEAVE();
+    return UAP_STATUS_FAILURE;
+}
+
+/**
+ *  @brief This function set the sdio bus width.
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @param mode    	1--1 bit mode, 4--4 bit mode
+ *  @return 	   	UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+#if 0
+static int
+sdio_set_bus_width(uap_private * priv, u8 mode)
+{
+    ENTER();
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+#endif
+
+/**
+ *  @brief This function reads data from the card.
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @return 	   	UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+sd_card_to_host(uap_private * priv)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u16 buf_len = 0;
+    int buf_block_len;
+    int blksz;
+    struct sk_buff *skb = NULL;
+    u16 type;
+    u8 *payload = NULL;
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "card or function is NULL!\n");
+        ret = UAP_STATUS_FAILURE;
+        goto exit;
+    }
+
+    /* Read the length of data to be transferred */
+    ret = sd_read_rx_len(priv, &buf_len);
+    if (ret < 0) {
+        PRINTM(ERROR, "card_to_host, read scratch reg failed\n");
+        ret = UAP_STATUS_FAILURE;
+        goto exit;
+    }
+
+    /* Allocate buffer */
+    blksz = SD_BLOCK_SIZE;
+    buf_block_len = (buf_len + blksz - 1) / blksz;
+    if (buf_len <= INTF_HEADER_LEN || (buf_block_len * blksz) > ALLOC_BUF_SIZE) {
+        PRINTM(ERROR, "card_to_host, invalid packet length: %d\n", buf_len);
+        ret = UAP_STATUS_FAILURE;
+        goto exit;
+    }
+#ifdef PXA3XX_DMA_ALIGN
+    skb = dev_alloc_skb(buf_block_len * blksz + PXA3XX_DMA_ALIGNMENT);
+#else
+    skb = dev_alloc_skb(buf_block_len * blksz);
+#endif
+    if (skb == NULL) {
+        PRINTM(WARN, "No free skb\n");
+        goto exit;
+    }
+#ifdef PXA3XX_DMA_ALIGN
+    if ((u32) skb->data & (PXA3XX_DMA_ALIGNMENT - 1)) {
+        skb_put(skb, (u32) skb->data & (PXA3XX_DMA_ALIGNMENT - 1));
+        skb_pull(skb, (u32) skb->data & (PXA3XX_DMA_ALIGNMENT - 1));
+    }
+#endif /* PXA3XX_DMA_ALIGN */
+
+    payload = skb->tail;
+    ret = sdio_readsb(card->func, payload, priv->uap_dev.ioport,
+                      buf_block_len * blksz);
+    if (ret < 0) {
+        PRINTM(ERROR, "card_to_host, read iomem failed: %d\n", ret);
+        ret = UAP_STATUS_FAILURE;
+        goto exit;
+    }
+    HEXDUMP("SDIO Blk Rd", payload, blksz * buf_block_len);
+    /*
+     * This is SDIO specific header
+     *  u16 length,
+     *  u16 type (MV_TYPE_DAT = 0, MV_TYPE_CMD = 1, MV_TYPE_EVENT = 3)
+     */
+    buf_len = uap_le16_to_cpu(*(u16 *) & payload[0]);
+    type = uap_le16_to_cpu(*(u16 *) & payload[2]);
+    switch (type) {
+    case MV_TYPE_EVENT:
+        skb_put(skb, buf_len);
+        skb_pull(skb, INTF_HEADER_LEN);
+        uap_process_event(priv, skb->data, skb->len);
+        kfree_skb(skb);
+        skb = NULL;
+        break;
+    case MV_TYPE_CMD:
+        skb_put(skb, buf_len);
+        skb_pull(skb, INTF_HEADER_LEN);
+        priv->adapter->cmd_pending = FALSE;
+        if (priv->adapter->cmd_wait_option ==
+            HostCmd_OPTION_WAITFORRSP_SLEEPCONFIRM) {
+            priv->adapter->cmd_wait_option = FALSE;
+            uap_process_sleep_confirm_resp(priv, skb->data, skb->len);
+        } else if (priv->adapter->cmd_wait_option) {
+            memcpy(priv->adapter->CmdBuf, skb->data, skb->len);
+            priv->adapter->CmdSize = skb->len;
+            priv->adapter->cmd_wait_option = FALSE;
+            priv->adapter->CmdWaitQWoken = TRUE;
+            wake_up_interruptible(&priv->adapter->cmdwait_q);
+        }
+        kfree_skb(skb);
+        skb = NULL;
+        break;
+    case MV_TYPE_DAT:
+        skb_put(skb, buf_len);
+        skb_pull(skb, INTF_HEADER_LEN);
+        uap_process_rx_packet(priv, skb);
+        break;
+    default:
+        priv->stats.rx_errors++;
+        priv->stats.rx_dropped++;
+        /* Driver specified event and command resp should be handle here */
+        PRINTM(INFO, "Unknown PKT type:%d\n", type);
+        kfree_skb(skb);
+        skb = NULL;
+        break;
+    }
+  exit:
+    if (ret) {
+        if (skb)
+            kfree_skb(skb);
+    }
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function enables the host interrupts mask
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param mask	   the interrupt mask
+ *  @return 	   UAP_STATUS_SUCCESS
+ */
+static int
+enable_host_int_mask(uap_private * priv, u8 mask)
+{
+    int ret = UAP_STATUS_SUCCESS;
+
+    ENTER();
+
+    /* Simply write the mask to the register */
+    ret = sbi_write_ioreg(priv, HOST_INT_MASK_REG, mask);
+
+    if (ret) {
+        PRINTM(WARN, "Unable to enable the host interrupt!\n");
+        ret = UAP_STATUS_FAILURE;
+    }
+
+    LEAVE();
+    return ret;
+}
+
+/**  @brief This function disables the host interrupts mask.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param mask	   the interrupt mask
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+disable_host_int_mask(uap_private * priv, u8 mask)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u8 host_int_mask;
+
+    ENTER();
+
+    /* Read back the host_int_mask register */
+    ret = sbi_read_ioreg(priv, HOST_INT_MASK_REG, &host_int_mask);
+    if (ret) {
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+
+    /* Update with the mask and write back to the register */
+    host_int_mask &= ~mask;
+    ret = sbi_write_ioreg(priv, HOST_INT_MASK_REG, host_int_mask);
+    if (ret < 0) {
+        PRINTM(WARN, "Unable to diable the host interrupt!\n");
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+
+  done:
+    LEAVE();
+    return ret;
+}
+
+/********************************************************
+		Global Functions
+********************************************************/
+
+/**
+ *  @brief This function handles the interrupt.
+ *
+ *  @param func	   A pointer to sdio_func structure.
+ *  @return 	   n/a
+ */
+static void
+sbi_interrupt(struct sdio_func *func)
+{
+    struct sdio_mmc_card *card;
+    uap_private *priv;
+    u8 ireg = 0;
+    int ret = UAP_STATUS_SUCCESS;
+
+    ENTER();
+
+    card = sdio_get_drvdata(func);
+    if (!card || !card->priv) {
+        PRINTM(MSG, "%s: sbi_interrupt(%p) card or priv is NULL, card=%p\n",
+               __FUNCTION__, func, card);
+        LEAVE();
+        return;
+    }
+    priv = card->priv;
+#ifdef FW_WAKEUP_TIME
+    if ((priv->adapter->wt_pwrup_sending != 0L) &&
+        (priv->adapter->wt_int == 0L))
+        priv->adapter->wt_int = get_utimeofday();
+#endif
+
+    ireg = sdio_readb(card->func, HOST_INTSTATUS_REG, &ret);
+    if (ret) {
+        PRINTM(WARN, "sdio_read_ioreg: read int status register failed\n");
+        goto done;
+    }
+    if (ireg != 0) {
+        /*
+         * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
+         * Clear the interrupt status register and re-enable the interrupt
+         */
+        PRINTM(INFO, "sdio_ireg = 0x%x\n", ireg);
+        sdio_writeb(card->func,
+                    ~(ireg) & (DN_LD_HOST_INT_STATUS | UP_LD_HOST_INT_STATUS),
+                    HOST_INTSTATUS_REG, &ret);
+        if (ret) {
+            PRINTM(WARN,
+                   "sdio_write_ioreg: clear int status register failed\n");
+            goto done;
+        }
+    }
+    OS_INT_DISABLE;
+    sd_ireg |= ireg;
+    OS_INT_RESTORE;
+
+    uap_interrupt(priv);
+  done:
+    LEAVE();
+}
+
+/**
+ *  @brief This function probe the card
+ *
+ *  @param func    A pointer to sdio_func structure
+ *  @param id	   A pointer to structure sd_device_id
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+static int
+uap_probe(struct sdio_func *func, const struct sdio_device_id *id)
+{
+    int ret = UAP_STATUS_FAILURE;
+    struct sdio_mmc_card *card = NULL;
+
+    ENTER();
+
+    PRINTM(MSG, "%s: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n",
+           __FUNCTION__, func->vendor, func->device, func->class, func->num);
+
+    card = kzalloc(sizeof(struct sdio_mmc_card), GFP_KERNEL);
+    if (!card) {
+        ret = -ENOMEM;
+        goto done;
+    }
+
+    card->func = func;
+
+    if (!uap_add_card(card)) {
+        PRINTM(ERROR, "%s: uap_add_callback failed\n", __FUNCTION__);
+        kfree(card);
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+
+    ret = UAP_STATUS_SUCCESS;
+
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function removes the card
+ *
+ *  @param func    A pointer to sdio_func structure
+ *  @return        N/A
+ */
+static void
+uap_remove(struct sdio_func *func)
+{
+    struct sdio_mmc_card *card;
+
+    ENTER();
+
+    if (func) {
+        card = sdio_get_drvdata(func);
+        if (card) {
+            uap_remove_card(card);
+            kfree(card);
+        }
+    }
+
+    LEAVE();
+}
+
+#ifdef CONFIG_PM
+/**
+ *  @brief This function handles client driver suspend
+ *
+ *  @param func    A pointer to sdio_func structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+uap_suspend(struct sdio_func *func)
+{
+    ENTER();
+    LEAVE();
+    return 0;
+}
+
+/**
+ *  @brief This function handles client driver resume
+ *
+ *  @param func    A pointer to sdio_func structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+uap_resume(struct sdio_func *func)
+{
+    ENTER();
+    LEAVE();
+    return 0;
+}
+#endif
+
+/** Device ID for SD8688 */
+#define  SD_DEVICE_ID_8688_UAP 0x9104
+/** UAP IDs */
+static const struct sdio_device_id uap_ids[] = {
+    {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SD_DEVICE_ID_8688_UAP)},
+    {},
+};
+
+MODULE_DEVICE_TABLE(sdio, uap_ids);
+
+static struct sdio_driver uap_sdio = {
+    .name = "uap_sdio",
+    .id_table = uap_ids,
+    .probe = uap_probe,
+    .remove = uap_remove,
+#ifdef CONFIG_PM
+/*    .suspend	= uap_suspend, */
+/*    .resume	= uap_resume, */
+#endif
+
+};
+
+/**
+ *  @brief This function registers the IF module in bus driver.
+ *
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int __init
+sbi_register()
+{
+    int ret = UAP_STATUS_SUCCESS;
+
+    ENTER();
+
+    /* SDIO Driver Registration */
+    if (sdio_register_driver(&uap_sdio) != 0) {
+        PRINTM(FATAL, "SDIO Driver Registration Failed \n");
+        ret = UAP_STATUS_FAILURE;
+    }
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function de-registers the IF module in bus driver.
+ *
+ *  @return 	   n/a
+ */
+void __exit
+sbi_unregister(void)
+{
+    ENTER();
+
+    /* SDIO Driver Unregistration */
+    sdio_unregister_driver(&uap_sdio);
+
+    LEAVE();
+}
+
+/**
+ *  @brief This function checks the interrupt status and handle it accordingly.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param ireg    A pointer to variable that keeps returned value
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_get_int_status(uap_private * priv, u8 * ireg)
+{
+    int ret = UAP_STATUS_SUCCESS;
+    u8 sdio_ireg = 0;
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+
+    ENTER();
+
+    *ireg = 0;
+    OS_INT_DISABLE;
+    sdio_ireg = sd_ireg;
+    sd_ireg = 0;
+    OS_INT_RESTORE;
+
+    sdio_claim_host(card->func);
+
+    if (sdio_ireg & DN_LD_HOST_INT_STATUS) {    /* tx_done INT */
+        if (!priv->uap_dev.cmd_sent) {  /* tx_done already received */
+            PRINTM(INFO,
+                   "warning: tx_done already received: tx_dnld_rdy=0x%x int status=0x%x\n",
+                   priv->uap_dev.cmd_sent, sdio_ireg);
+        } else {
+            priv->uap_dev.cmd_sent = FALSE;
+            priv->uap_dev.data_sent = FALSE;
+            if ( (priv->uap_dev.netdev->reg_state == NETREG_REGISTERED) && (skb_queue_len(&priv->adapter->tx_queue) < TX_LOW_WATERMARK)) {
+                os_start_queue(priv);
+	    }
+        }
+    }
+    if (sdio_ireg & UP_LD_HOST_INT_STATUS) {
+        sd_card_to_host(priv);
+    }
+
+    *ireg = sdio_ireg;
+    ret = UAP_STATUS_SUCCESS;
+    sdio_release_host(card->func);
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function disables the host interrupts.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_disable_host_int(uap_private * priv)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    int ret;
+
+    ENTER();
+
+    sdio_claim_host(card->func);
+    ret = disable_host_int_mask(priv, HIM_DISABLE);
+    sdio_release_host(card->func);
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function enables the host interrupts.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS
+ */
+int
+sbi_enable_host_int(uap_private * priv)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    int ret;
+
+    ENTER();
+
+    sdio_claim_host(card->func);
+    ret = enable_host_int_mask(priv, HIM_ENABLE);
+    sdio_release_host(card->func);
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function de-registers the device.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS
+ */
+int
+sbi_unregister_dev(uap_private * priv)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "Error: card or function is NULL!\n");
+        goto done;
+    }
+
+    sdio_claim_host(card->func);
+    sdio_release_irq(card->func);
+    sdio_disable_func(card->func);
+    sdio_release_host(card->func);
+
+    sdio_set_drvdata(card->func, NULL);
+
+  done:
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+
+/**
+ *  @brief This function registers the device.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_register_dev(uap_private * priv)
+{
+    int ret = UAP_STATUS_FAILURE;
+    u8 reg;
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    struct sdio_func *func;
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "Error: card or function is NULL!\n");
+        goto done;
+    }
+
+    func = card->func;
+
+    /* Initialize the private structure */
+    priv->uap_dev.ioport = 0;
+
+    sdio_claim_host(func);
+
+    ret = sdio_enable_func(func);
+    if (ret) {
+        PRINTM(FATAL, "sdio_enable_func() failed: ret=%d\n", ret);
+        goto release_host;
+    }
+
+    ret = sdio_claim_irq(func, sbi_interrupt);
+    if (ret) {
+        PRINTM(FATAL, "sdio_claim_irq failed: ret=%d\n", ret);
+        goto disable_func;
+    }
+
+    /* Read the IO port */
+    ret = sbi_read_ioreg(priv, IO_PORT_0_REG, &reg);
+    if (ret)
+        goto release_irq;
+    else
+        priv->uap_dev.ioport |= reg;
+
+    ret = sbi_read_ioreg(priv, IO_PORT_1_REG, &reg);
+    if (ret)
+        goto release_irq;
+    else
+        priv->uap_dev.ioport |= (reg << 8);
+
+    ret = sbi_read_ioreg(priv, IO_PORT_2_REG, &reg);
+    if (ret)
+        goto release_irq;
+    else
+        priv->uap_dev.ioport |= (reg << 16);
+
+    PRINTM(INFO, "SDIO FUNC #%d IO port: 0x%x\n", func->num,
+           priv->uap_dev.ioport);
+
+    ret = sdio_set_block_size(card->func, SD_BLOCK_SIZE);
+    if (ret) {
+        PRINTM(ERROR, "%s: cannot set SDIO block size\n", __FUNCTION__);
+        ret = UAP_STATUS_FAILURE;
+        goto release_irq;
+    }
+    priv->hotplug_device = &func->dev;
+
+    if (helper_name == NULL) {
+        helper_name = DEFAULT_HELPER_NAME;
+    }
+    if (fw_name == NULL) {
+        fw_name = DEFAULT_FW_NAME;
+    }
+    sdio_release_host(func);
+
+    sdio_set_drvdata(func, card);
+
+    ret = UAP_STATUS_SUCCESS;
+    goto done;
+
+  release_irq:
+    sdio_release_irq(func);
+  disable_func:
+    sdio_disable_func(func);
+  release_host:
+    sdio_release_host(func);
+
+  done:
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function sends data to the card.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param payload A pointer to the data/cmd buffer
+ *  @param nb	   the length of data/cmd
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_host_to_card(uap_private * priv, u8 * payload, u16 nb)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    int ret = UAP_STATUS_SUCCESS;
+    int buf_block_len;
+    int blksz;
+    int i = 0;
+    u8 *buf = NULL;
+#ifdef PXA3XX_DMA_ALIGN
+    void *tmpbuf = NULL;
+    int tmpbufsz;
+#endif
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "card or function is NULL!\n");
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+    buf = payload;
+#ifdef PXA3XX_DMA_ALIGN
+    if ((u32) payload & (PXA3XX_DMA_ALIGNMENT - 1)) {
+        tmpbufsz = ALIGN_SZ(nb, PXA3XX_DMA_ALIGNMENT);
+        tmpbuf = kmalloc(tmpbufsz, GFP_KERNEL);
+        memset(tmpbuf, 0, tmpbufsz);
+        /* Ensure 8-byte aligned CMD buffer */
+        buf = (u8 *) ALIGN_ADDR(tmpbuf, PXA3XX_DMA_ALIGNMENT);
+        memcpy(buf, payload, nb);
+    }
+#endif
+    /* Allocate buffer and copy payload */
+    blksz = SD_BLOCK_SIZE;
+    buf_block_len = (nb + blksz - 1) / blksz;
+    sdio_claim_host(card->func);
+#define MAX_WRITE_IOMEM_RETRY	2
+    priv->uap_dev.cmd_sent = TRUE;
+    priv->uap_dev.data_sent = TRUE;
+    do {
+        /* Transfer data to card */
+        ret = sdio_writesb(card->func, priv->uap_dev.ioport, buf,
+                           buf_block_len * blksz);
+        if (ret < 0) {
+            i++;
+            PRINTM(ERROR, "host_to_card, write iomem (%d) failed: %d\n", i,
+                   ret);
+            ret = UAP_STATUS_FAILURE;
+            if (i > MAX_WRITE_IOMEM_RETRY)
+                goto exit;
+        } else {
+            HEXDUMP("SDIO Blk Wr", payload, nb);
+        }
+    } while (ret == UAP_STATUS_FAILURE);
+  exit:
+    sdio_release_host(card->func);
+#ifdef PXA3XX_DMA_ALIGN
+    if (tmpbuf)
+        kfree(tmpbuf);
+#endif
+    if (ret == UAP_STATUS_FAILURE) {
+        priv->uap_dev.cmd_sent = FALSE;
+        priv->uap_dev.data_sent = FALSE;
+    }
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function reads CIS information.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param cisinfo A pointer to CIS information output buffer
+ *  @param cislen  A pointer to length of CIS info output buffer
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+#if 0
+static int
+sbi_get_cis_info(uap_private * priv, void *cisinfo, int *cislen)
+{
+#define CIS_PTR (0x8000)
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    unsigned int i, cis_ptr = CIS_PTR;
+    int ret = UAP_STATUS_FAILURE;
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "sbi_get_cis_info(): card or function is NULL!\n");
+        goto exit;
+    }
+#define MAX_SDIO_CIS_INFO_LEN (256)
+    if (!cisinfo || (*cislen < MAX_SDIO_CIS_INFO_LEN)) {
+        PRINTM(WARN, "ERROR! get_cis_info: insufficient buffer passed\n");
+        goto exit;
+    }
+
+    *cislen = MAX_SDIO_CIS_INFO_LEN;
+
+    sdio_claim_host(card->func);
+
+    PRINTM(INFO, "cis_ptr=%#x\n", cis_ptr);
+
+    /* Read the Tuple Data */
+    for (i = 0; i < *cislen; i++) {
+        ((unsigned char *) cisinfo)[i] =
+            sdio_readb(card->func, cis_ptr + i, &ret);
+        if (ret) {
+            PRINTM(WARN, "get_cis_info error: ret=%d\n", ret);
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+        PRINTM(INFO, "cisinfo[%d]=%#x\n", i, ((unsigned char *) cisinfo)[i]);
+    }
+
+  done:
+    sdio_release_host(card->func);
+  exit:
+    LEAVE();
+    return ret;
+}
+#endif
+/**
+ *  @brief This function downloads helper image to the card.
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @return 	   	UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_prog_helper(uap_private * priv)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    u8 *helper = NULL;
+    int helperlen;
+    int ret = UAP_STATUS_SUCCESS;
+    void *tmphlprbuf = NULL;
+    int tmphlprbufsz;
+    u8 *hlprbuf;
+    int hlprblknow;
+    u32 tx_len;
+#ifdef FW_DOWNLOAD_SPEED
+    u32 tv1, tv2;
+#endif
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "sbi_prog_helper(): card or function is NULL!\n");
+        goto done;
+    }
+
+    if (priv->fw_helper) {
+        helper = (u8 *) priv->fw_helper->data;
+        helperlen = priv->fw_helper->size;
+    } else {
+        PRINTM(MSG, "No helper image found! Terminating download.\n");
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+
+    PRINTM(INFO, "Downloading helper image (%d bytes), block size %d bytes\n",
+           helperlen, SD_BLOCK_SIZE);
+
+#ifdef FW_DOWNLOAD_SPEED
+    tv1 = get_utimeofday();
+#endif
+
+#ifdef PXA3XX_DMA_ALIGN
+    tmphlprbufsz = ALIGN_SZ(UAP_UPLD_SIZE, PXA3XX_DMA_ALIGNMENT);
+#else /* !PXA3XX_DMA_ALIGN */
+    tmphlprbufsz = UAP_UPLD_SIZE;
+#endif /* !PXA3XX_DMA_ALIGN */
+    tmphlprbuf = kmalloc(tmphlprbufsz, GFP_KERNEL);
+    if (!tmphlprbuf) {
+        PRINTM(ERROR,
+               "Unable to allocate buffer for helper. Terminating download\n");
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+    memset(tmphlprbuf, 0, tmphlprbufsz);
+#ifdef PXA3XX_DMA_ALIGN
+    hlprbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, PXA3XX_DMA_ALIGNMENT);
+#else /* !PXA3XX_DMA_ALIGN */
+    hlprbuf = (u8 *) tmphlprbuf;
+#endif /* !PXA3XX_DMA_ALIGN */
+
+    sdio_claim_host(card->func);
+
+    /* Perform helper data transfer */
+    tx_len = (FIRMWARE_TRANSFER_NBLOCK * SD_BLOCK_SIZE) - INTF_HEADER_LEN;
+    hlprblknow = 0;
+    do {
+        /* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY bits */
+        ret = mv_sdio_poll_card_status(priv, CARD_IO_READY | DN_LD_CARD_RDY);
+        if (ret < 0) {
+            PRINTM(FATAL, "Helper download poll status timeout @ %d\n",
+                   hlprblknow);
+            goto done;
+        }
+
+        /* More data? */
+        if (hlprblknow >= helperlen)
+            break;
+
+        /* Set blocksize to transfer - checking for last block */
+        if (helperlen - hlprblknow < tx_len)
+            tx_len = helperlen - hlprblknow;
+
+        /* Set length to the 4-byte header */
+        *(u32 *) hlprbuf = uap_cpu_to_le32(tx_len);
+
+        /* Copy payload to buffer */
+        memcpy(&hlprbuf[INTF_HEADER_LEN], &helper[hlprblknow], tx_len);
+
+        PRINTM(INFO, ".");
+
+        /* Send data */
+        ret = sdio_writesb(card->func, priv->uap_dev.ioport,
+                           hlprbuf, FIRMWARE_TRANSFER_NBLOCK * SD_BLOCK_SIZE);
+
+        if (ret < 0) {
+            PRINTM(FATAL, "IO error during helper download @ %d\n", hlprblknow);
+            goto done;
+        }
+
+        hlprblknow += tx_len;
+    } while (TRUE);
+
+#ifdef FW_DOWNLOAD_SPEED
+    tv2 = get_utimeofday();
+    PRINTM(INFO, "helper: %ld.%03ld.%03ld ", tv1 / 1000000,
+           (tv1 % 1000000) / 1000, tv1 % 1000);
+    PRINTM(INFO, " -> %ld.%03ld.%03ld ", tv2 / 1000000, (tv2 % 1000000) / 1000,
+           tv2 % 1000);
+    tv2 -= tv1;
+    PRINTM(INFO, " == %ld.%03ld.%03ld\n", tv2 / 1000000, (tv2 % 1000000) / 1000,
+           tv2 % 1000);
+#endif
+
+    /* Write last EOF data */
+    PRINTM(INFO, "\nTransferring helper image EOF block\n");
+    memset(hlprbuf, 0x0, SD_BLOCK_SIZE);
+    ret = sdio_writesb(card->func, priv->uap_dev.ioport,
+                       hlprbuf, SD_BLOCK_SIZE);
+
+    if (ret < 0) {
+        PRINTM(FATAL, "IO error in writing helper image EOF block\n");
+        goto done;
+    }
+
+    ret = UAP_STATUS_SUCCESS;
+
+  done:
+    sdio_release_host(card->func);
+    if (tmphlprbuf)
+        kfree(tmphlprbuf);
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function downloads firmware image to the card.
+ *
+ *  @param priv    	A pointer to uap_private structure
+ *  @return 	   	UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_prog_fw_w_helper(uap_private * priv)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    u8 *firmware = NULL;
+    int firmwarelen;
+    u8 base0;
+    u8 base1;
+    int ret = UAP_STATUS_SUCCESS;
+    int offset;
+    void *tmpfwbuf = NULL;
+    int tmpfwbufsz;
+    u8 *fwbuf;
+    u16 len;
+    int txlen = 0;
+    int tx_blocks = 0;
+    int i = 0;
+    int tries = 0;
+#ifdef FW_DOWNLOAD_SPEED
+    u32 tv1, tv2;
+#endif
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "sbi_prog_fw_w_helper(): card or function is NULL!\n");
+        goto done;
+    }
+
+    if (priv->firmware) {
+        firmware = (u8 *) priv->firmware->data;
+        firmwarelen = priv->firmware->size;
+    } else {
+        PRINTM(MSG, "No firmware image found! Terminating download.\n");
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+
+    PRINTM(INFO, "Downloading FW image (%d bytes)\n", firmwarelen);
+
+#ifdef FW_DOWNLOAD_SPEED
+    tv1 = get_utimeofday();
+#endif
+
+#ifdef PXA3XX_DMA_ALIGN
+    tmpfwbufsz = ALIGN_SZ(UAP_UPLD_SIZE, PXA3XX_DMA_ALIGNMENT);
+#else /* PXA3XX_DMA_ALIGN */
+    tmpfwbufsz = UAP_UPLD_SIZE;
+#endif /* PXA3XX_DMA_ALIGN */
+    tmpfwbuf = kmalloc(tmpfwbufsz, GFP_KERNEL);
+    if (!tmpfwbuf) {
+        PRINTM(ERROR,
+               "Unable to allocate buffer for firmware. Terminating download.\n");
+        ret = UAP_STATUS_FAILURE;
+        goto done;
+    }
+    memset(tmpfwbuf, 0, tmpfwbufsz);
+#ifdef PXA3XX_DMA_ALIGN
+    /* Ensure 8-byte aligned firmware buffer */
+    fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, PXA3XX_DMA_ALIGNMENT);
+#else /* PXA3XX_DMA_ALIGN */
+    fwbuf = (u8 *) tmpfwbuf;
+#endif /* PXA3XX_DMA_ALIGN */
+
+    sdio_claim_host(card->func);
+
+    /* Perform firmware data transfer */
+    offset = 0;
+    do {
+        /* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY bits */
+        ret = mv_sdio_poll_card_status(priv, CARD_IO_READY | DN_LD_CARD_RDY);
+        if (ret < 0) {
+            PRINTM(FATAL, "FW download with helper poll status timeout @ %d\n",
+                   offset);
+            goto done;
+        }
+
+        /* More data? */
+        if (offset >= firmwarelen)
+            break;
+
+        for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+            if ((ret = sbi_read_ioreg(priv, HOST_F1_RD_BASE_0, &base0)) < 0) {
+                PRINTM(WARN, "Dev BASE0 register read failed:"
+                       " base0=0x%04X(%d). Terminating download.\n", base0,
+                       base0);
+                ret = UAP_STATUS_FAILURE;
+                goto done;
+            }
+            if ((ret = sbi_read_ioreg(priv, HOST_F1_RD_BASE_1, &base1)) < 0) {
+                PRINTM(WARN, "Dev BASE1 register read failed:"
+                       " base1=0x%04X(%d). Terminating download.\n", base1,
+                       base1);
+                ret = UAP_STATUS_FAILURE;
+                goto done;
+            }
+            len = (((u16) base1) << 8) | base0;
+
+            /* For SD8688 wait until the length is not 0, 1 or 2 before
+               downloading the first FW block, since BOOT code writes the
+               register to indicate the helper/FW download winner, the value
+               could be 1 or 2 (Func1 or Func2). */
+            if ((len && offset) || (len > 2))
+                break;
+            udelay(10);
+        }
+
+        if (len == 0)
+            break;
+        else if (len > UAP_UPLD_SIZE) {
+            PRINTM(FATAL, "FW download failure @ %d, invalid length %d\n",
+                   offset, len);
+            ret = UAP_STATUS_FAILURE;
+            goto done;
+        }
+
+        txlen = len;
+
+        if (len & BIT(0)) {
+            i++;
+            if (i > MAX_WRITE_IOMEM_RETRY) {
+                PRINTM(FATAL,
+                       "FW download failure @ %d, over max retry count\n",
+                       offset);
+                ret = UAP_STATUS_FAILURE;
+                goto done;
+            }
+            PRINTM(ERROR, "FW CRC error indicated by the helper:"
+                   " len = 0x%04X, txlen = %d\n", len, txlen);
+            len &= ~BIT(0);
+            /* Setting this to 0 to resend from same offset */
+            txlen = 0;
+        } else {
+            i = 0;
+
+            /* Set blocksize to transfer - checking for last block */
+            if (firmwarelen - offset < txlen) {
+                txlen = firmwarelen - offset;
+            }
+            PRINTM(INFO, ".");
+
+            tx_blocks = (txlen + SD_BLOCK_SIZE - 1) / SD_BLOCK_SIZE;
+
+            /* Copy payload to buffer */
+            memcpy(fwbuf, &firmware[offset], txlen);
+        }
+
+        /* Send data */
+        ret = sdio_writesb(card->func, priv->uap_dev.ioport,
+                           fwbuf, tx_blocks * SD_BLOCK_SIZE);
+
+        if (ret < 0) {
+            PRINTM(ERROR, "FW download, write iomem (%d) failed @ %d\n", i,
+                   offset);
+            if (sbi_write_ioreg(priv, CONFIGURATION_REG, 0x04) < 0) {
+                PRINTM(ERROR, "write ioreg failed (CFG)\n");
+            }
+        }
+
+        offset += txlen;
+    } while (TRUE);
+
+    PRINTM(INFO, "\nFW download over, size %d bytes\n", offset);
+
+    ret = UAP_STATUS_SUCCESS;
+  done:
+#ifdef FW_DOWNLOAD_SPEED
+    tv2 = get_utimeofday();
+    PRINTM(INFO, "FW: %ld.%03ld.%03ld ", tv1 / 1000000,
+           (tv1 % 1000000) / 1000, tv1 % 1000);
+    PRINTM(INFO, " -> %ld.%03ld.%03ld ", tv2 / 1000000,
+           (tv2 % 1000000) / 1000, tv2 % 1000);
+    tv2 -= tv1;
+    PRINTM(INFO, " == %ld.%03ld.%03ld\n", tv2 / 1000000,
+           (tv2 % 1000000) / 1000, tv2 % 1000);
+#endif
+    sdio_release_host(card->func);
+    if (tmpfwbuf)
+        kfree(tmpfwbuf);
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function checks if the firmware is ready to accept
+ *  command or not.
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param pollnum Poll number
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_check_fw_status(uap_private * priv, int pollnum)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    int ret = UAP_STATUS_SUCCESS;
+    u16 firmwarestat;
+    int tries;
+
+    ENTER();
+
+    sdio_claim_host(card->func);
+
+    /* Wait for firmware initialization event */
+    for (tries = 0; tries < pollnum; tries++) {
+        if ((ret = sd_read_firmware_status(priv, &firmwarestat)) < 0)
+            continue;
+        if (firmwarestat == FIRMWARE_READY) {
+            ret = UAP_STATUS_SUCCESS;
+            break;
+        } else {
+            mdelay(10);
+            ret = UAP_STATUS_FAILURE;
+        }
+    }
+
+    if (ret < 0)
+        goto done;
+
+    ret = UAP_STATUS_SUCCESS;
+    sd_get_rx_unit(priv);
+
+  done:
+    sdio_release_host(card->func);
+
+    LEAVE();
+    return ret;
+}
+
+/**
+ *  @brief This function set bus clock on/off
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @param option    TRUE--on , FALSE--off
+ *  @return 	   UAP_STATUS_SUCCESS
+ */
+#if 0
+static int
+sbi_set_bus_clock(uap_private * priv, u8 option)
+{
+    ENTER();
+    LEAVE();
+    return UAP_STATUS_SUCCESS;
+}
+#endif
+
+/**
+ *  @brief This function wakeup firmware
+ *
+ *  @param priv    A pointer to uap_private structure
+ *  @return 	   UAP_STATUS_SUCCESS or UAP_STATUS_FAILURE
+ */
+int
+sbi_wakeup_firmware(uap_private * priv)
+{
+    struct sdio_mmc_card *card = priv->uap_dev.card;
+    int ret = UAP_STATUS_SUCCESS;
+
+    ENTER();
+
+    if (!card || !card->func) {
+        PRINTM(ERROR, "card or function is NULL!\n");
+        LEAVE();
+        return UAP_STATUS_FAILURE;
+    }
+    sdio_claim_host(card->func);
+    sdio_writeb(card->func, HOST_POWER_UP, CONFIGURATION_REG, &ret);
+    sdio_release_host(card->func);
+    LEAVE();
+    return ret;
+}
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_sdio_mmc.h backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_sdio_mmc.h
--- backports-3.18.1-1.org/drivers/net/wireless/libertas_uap/uap_sdio_mmc.h	1970-01-01 01:00:00.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/libertas_uap/uap_sdio_mmc.h	2014-12-29 20:37:43.955764567 +0100
@@ -0,0 +1,136 @@
+/** @file uap_sdio_mmc.h
+ *  @brief This file contains SDIO IF (interface) module
+ *  related macros, enum, and structure.
+ *
+ * Copyright (C) 2007-2009, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available along with the File in the gpl.txt file or by writing to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+/****************************************************
+Change log:
+	10/10/07: initial version
+****************************************************/
+
+#ifndef	_UAP_SDIO_MMC_H
+#define	_UAP_SDIO_MMC_H
+
+#include	<linux/mmc/sdio.h>
+#include	<linux/mmc/sdio_ids.h>
+#include	<linux/mmc/sdio_func.h>
+#include	<linux/mmc/card.h>
+
+#include	"uap_headers.h"
+
+/** The number of times to try when waiting for downloaded firmware to
+     become active. (polling the scratch register). */
+#define MAX_FIRMWARE_POLL_TRIES		100
+
+/** Firmware ready */
+#define FIRMWARE_READY			0xfedc
+
+/** Number of firmware blocks to transfer */
+#define FIRMWARE_TRANSFER_NBLOCK	2
+
+/* Host Control Registers */
+/** Host Control Registers : I/O port 0 */
+#define IO_PORT_0_REG			0x00
+/** Host Control Registers : I/O port 1 */
+#define IO_PORT_1_REG			0x01
+/** Host Control Registers : I/O port 2 */
+#define IO_PORT_2_REG			0x02
+
+/** Host Control Registers : Configuration */
+#define CONFIGURATION_REG		0x03
+/** Host Control Registers : Host without Command 53 finish host */
+#define HOST_WO_CMD53_FINISH_HOST	(0x1U << 2)
+/** Host Control Registers : Host power up */
+#define HOST_POWER_UP			(0x1U << 1)
+/** Host Control Registers : Host power down */
+#define HOST_POWER_DOWN			(0x1U << 0)
+
+/** Host Control Registers : Host interrupt mask */
+#define HOST_INT_MASK_REG		0x04
+/** Host Control Registers : Upload host interrupt mask */
+#define UP_LD_HOST_INT_MASK		(0x1U)
+/** Host Control Registers : Download host interrupt mask */
+#define DN_LD_HOST_INT_MASK		(0x2U)
+/** Enable Host interrupt mask */
+#define HIM_ENABLE			(UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK)
+/** Disable Host interrupt mask */
+#define	HIM_DISABLE			0xff
+
+/** Host Control Registers : Host interrupt status */
+#define HOST_INTSTATUS_REG		0x05
+/** Host Control Registers : Upload host interrupt status */
+#define UP_LD_HOST_INT_STATUS		(0x1U)
+/** Host Control Registers : Download host interrupt status */
+#define DN_LD_HOST_INT_STATUS		(0x2U)
+
+/** Host F1 read base 0 */
+#define HOST_F1_RD_BASE_0		0x10
+/** Host F1 read base 1 */
+#define HOST_F1_RD_BASE_1		0x11
+
+/** Card Control Registers : Card status register */
+#define CARD_STATUS_REG              	0x20
+/** Card Control Registers : Card I/O ready */
+#define CARD_IO_READY              	(0x1U << 3)
+/** Card Control Registers : CIS card ready */
+#define CIS_CARD_RDY                 	(0x1U << 2)
+/** Card Control Registers : Upload card ready */
+#define UP_LD_CARD_RDY               	(0x1U << 1)
+/** Card Control Registers : Download card ready */
+#define DN_LD_CARD_RDY               	(0x1U << 0)
+
+/** Card Control Registers : Card OCR 0 register */
+#define CARD_OCR_0_REG               	0x34
+/** Card Control Registers : Card OCR 1 register */
+#define CARD_OCR_1_REG               	0x35
+
+/** Firmware status 0 register */
+#define CARD_FW_STATUS0_REG		0x40
+/** Firmware status 1 register */
+#define CARD_FW_STATUS1_REG		0x41
+/** Rx length register */
+#define CARD_RX_LEN_REG			0x42
+/** Rx unit register */
+#define CARD_RX_UNIT_REG		0x43
+
+/** Chip Id Register 0 */
+#define CARD_CHIP_ID_0_REG		0x801c
+/** Chip Id Register 1 */
+#define CARD_CHIP_ID_1_REG		0x801d
+
+#ifdef PXA3XX_DMA_ALIGN
+/** DMA alignment value for PXA3XX platforms */
+#define PXA3XX_DMA_ALIGNMENT    8
+/** Macros for Data Alignment : size */
+#define ALIGN_SZ(p, a)  \
+    (((p) + ((a) - 1)) & ~((a) - 1))
+
+/** Macros for Data Alignment : address */
+#define ALIGN_ADDR(p, a)    \
+    ((((u32)(p)) + (((u32)(a)) - 1)) & ~(((u32)(a)) - 1))
+#endif /* PXA3XX_DMA_ALIGN */
+
+struct sdio_mmc_card
+{
+        /** sdio_func structure pointer */
+    struct sdio_func *func;
+        /** uap_private structure pointer */
+    uap_private *priv;
+};
+
+#endif /* _UAP_SDIO_MMC_H */
diff -Naur backports-3.18.1-1.org/drivers/net/wireless/Makefile backports-3.18.1-1/drivers/net/wireless/Makefile
--- backports-3.18.1-1.org/drivers/net/wireless/Makefile	2014-12-21 22:37:15.000000000 +0100
+++ backports-3.18.1-1/drivers/net/wireless/Makefile	2014-12-29 20:40:33.632440784 +0100
@@ -60,3 +60,5 @@
 
 obj-$(CPTCFG_CW1200)	+= cw1200/
 obj-$(CPTCFG_RSI_91X)	+= rsi/
+
+obj-$(CPTCFG_LIBERTAS_UAP)	+= libertas_uap/
