Aquaris-M10-4G/drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_proc.c

/*
 * Copyright (C) 2016 MediaTek Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See http://www.gnu.org/licenses/gpl-2.0.html for more details.
 */

/*
** Id: //Department/DaVinci/BRANCHES/MT6620_WIFI_DRIVER_V2_3/os/linux/gl_proc.c#1
*/

/*! \file   "gl_proc.c"
    \brief  This file defines the interface which can interact with users in /proc fs.

    Detail description.
*/

/*
** Log: gl_proc.c
 *
 * 11 10 2011 cp.wu
 * [WCXRP00001098] [MT6620 Wi-Fi][Driver] Replace printk by DBG LOG macros in linux porting layer
 * 1. eliminaite direct calls to printk in porting layer.
 * 2. replaced by DBGLOG, which would be XLOG on ALPS platforms.
 *
 * 12 10 2010 kevin.huang
 * [WCXRP00000128] [MT6620 Wi-Fi][Driver] Add proc support to Android Driver for debug and driver status check
 * Add Linux Proc Support
**  \main\maintrunk.MT5921\19 2008-09-02 21:08:37 GMT mtk01461
**  Fix the compile error of SPRINTF()
**  \main\maintrunk.MT5921\18 2008-08-10 18:48:28 GMT mtk01461
**  Update for Driver Review
**  \main\maintrunk.MT5921\17 2008-08-04 16:52:01 GMT mtk01461
**  Add proc dbg print message of DOMAIN_INDEX level
**  \main\maintrunk.MT5921\16 2008-07-10 00:45:16 GMT mtk01461
**  Remove the check of MCR offset, we may use the MCR address which is not align to DW boundary or proprietary usage.
**  \main\maintrunk.MT5921\15 2008-06-03 20:49:44 GMT mtk01461
**  \main\maintrunk.MT5921\14 2008-06-02 22:56:00 GMT mtk01461
**  Rename some functions for linux proc
**  \main\maintrunk.MT5921\13 2008-06-02 20:23:18 GMT mtk01461
**  Revise PROC mcr read / write for supporting TELNET
**  \main\maintrunk.MT5921\12 2008-03-28 10:40:25 GMT mtk01461
**  Remove temporary set desired rate in linux proc
**  \main\maintrunk.MT5921\11 2008-01-07 15:07:29 GMT mtk01461
**  Add User Update Desired Rate Set for QA in Linux
**  \main\maintrunk.MT5921\10 2007-12-11 00:11:14 GMT mtk01461
**  Fix SPIN_LOCK protection
**  \main\maintrunk.MT5921\9 2007-12-04 18:07:57 GMT mtk01461
**  Add additional debug category to proc
**  \main\maintrunk.MT5921\8 2007-11-02 01:03:23 GMT mtk01461
**  Unify TX Path for Normal and IBSS Power Save + IBSS neighbor learning
**  \main\maintrunk.MT5921\7 2007-10-25 18:08:14 GMT mtk01461
**  Add VOIP SCAN Support  & Refine Roaming
** Revision 1.3  2007/07/05 07:25:33  MTK01461
** Add Linux initial code, modify doc, add 11BB, RF init code
**
** Revision 1.2  2007/06/27 02:18:51  MTK01461
** Update SCAN_FSM, Initial(Can Load Module), Proc(Can do Reg R/W), TX API
**
*/

/*******************************************************************************
*                         C O M P I L E R   F L A G S
********************************************************************************
*/

/*******************************************************************************
*                    E X T E R N A L   R E F E R E N C E S
********************************************************************************
*/

#include "precomp.h"

#ifdef FW_CFG_SUPPORT
#include "fwcfg.h"
#endif
/* #include "wlan_lib.h" */
/* #include "debug.h" */

/*******************************************************************************
*                              C O N S T A N T S
********************************************************************************
*/

#define PROC_WLAN_THERMO                        "wlanThermo"
#define PROC_DRV_STATUS                         "status"
#define PROC_RX_STATISTICS                      "rx_statistics"
#define PROC_TX_STATISTICS                      "tx_statistics"
#define PROC_DBG_LEVEL_NAME						"dbgLevel"
#define PROC_NEED_TX_DONE						"TxDoneCfg"
#define PROC_ROOT_NAME			"wlan"
#define PROC_CMD_DEBUG_NAME		"cmdDebug"
#define PROC_CFG_NAME			"cfg"

#define PROC_MCR_ACCESS_MAX_USER_INPUT_LEN      20
#define PROC_RX_STATISTICS_MAX_USER_INPUT_LEN   10
#define PROC_TX_STATISTICS_MAX_USER_INPUT_LEN   10
#define PROC_DBG_LEVEL_MAX_USER_INPUT_LEN       (20*10)
#define PROC_DBG_LEVEL_MAX_DISPLAY_STR_LEN      8

#define PROC_UID_SHELL							2000
#define PROC_GID_WIFI							1010

/*******************************************************************************
*                             D A T A   T Y P E S
********************************************************************************
*/

/*******************************************************************************
*                            P U B L I C   D A T A
********************************************************************************
*/

/*******************************************************************************
*                           P R I V A T E   D A T A
********************************************************************************
*/
/* static UINT_32 u4McrOffset; */
#if CFG_SUPPORT_THERMO_THROTTLING
static P_GLUE_INFO_T g_prGlueInfo_proc;
#endif
#if FW_CFG_SUPPORT
static P_GLUE_INFO_T gprGlueInfo;
#endif
/*******************************************************************************
*                                 M A C R O S
********************************************************************************
*/

/*******************************************************************************
*                   F U N C T I O N   D E C L A R A T I O N S
********************************************************************************
*/

/*******************************************************************************
*                              F U N C T I O N S
********************************************************************************
*/
/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for reading MCR register to User Space, the offset of
*        the MCR is specified in u4McrOffset.
*
* \param[in] page       Buffer provided by kernel.
* \param[in out] start  Start Address to read(3 methods).
* \param[in] off        Offset.
* \param[in] count      Allowable number to read.
* \param[out] eof       End of File indication.
* \param[in] data       Pointer to the private data structure.
*
* \return number of characters print to the buffer from User Space.
*/
/*----------------------------------------------------------------------------*/
#if 0
static int procMCRRead(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	P_GLUE_INFO_T prGlueInfo;
	PARAM_CUSTOM_MCR_RW_STRUCT_T rMcrInfo;
	UINT_32 u4BufLen;
	char *p = page;
	UINT_32 u4Count;
	WLAN_STATUS rStatus = WLAN_STATUS_SUCCESS;

	ASSERT(data);

	/* Kevin: Apply PROC read method 1. */
	if (off != 0)
		return 0;	/* To indicate end of file. */

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv((struct net_device *)data));

	rMcrInfo.u4McrOffset = u4McrOffset;

	rStatus = kalIoctl(prGlueInfo,
			   wlanoidQueryMcrRead,
			   (PVOID)&rMcrInfo, sizeof(rMcrInfo), TRUE, TRUE, TRUE, FALSE, &u4BufLen);

	/* SPRINTF(p, ("MCR (0x%08lxh): 0x%08lx\n", */
	/* rMcrInfo.u4McrOffset, rMcrInfo.u4McrData)); */

	u4Count = (UINT_32) (p - page);

	*eof = 1;

	return (int)u4Count;

}				/* end of procMCRRead() */

/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for writing MCR register to HW or update u4McrOffset
*        for reading MCR later.
*
* \param[in] file   pointer to file.
* \param[in] buffer Buffer from user space.
* \param[in] count  Number of characters to write
* \param[in] data   Pointer to the private data structure.
*
* \return number of characters write from User Space.
*/
/*----------------------------------------------------------------------------*/
static int procMCRWrite(struct file *file, const char *buffer, unsigned long count, void *data)
{
	P_GLUE_INFO_T prGlueInfo;
	char acBuf[PROC_MCR_ACCESS_MAX_USER_INPUT_LEN + 1];	/* + 1 for "\0" */
	int i4CopySize;
	PARAM_CUSTOM_MCR_RW_STRUCT_T rMcrInfo;
	UINT_32 u4BufLen;
	WLAN_STATUS rStatus = WLAN_STATUS_SUCCESS;

	ASSERT(data);

	i4CopySize = (count < (sizeof(acBuf) - 1)) ? count : (sizeof(acBuf) - 1);
	if (copy_from_user(acBuf, buffer, i4CopySize))
		return 0;
	acBuf[i4CopySize] = '\0';

	if (sscanf(acBuf, "0x%lx 0x%lx", &rMcrInfo.u4McrOffset, &rMcrInfo.u4McrData) == 2) {
		/* NOTE: Sometimes we want to test if bus will still be ok, after accessing
		 * the MCR which is not align to DW boundary.
		 */
		/* if (IS_ALIGN_4(rMcrInfo.u4McrOffset)) */
		prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv((struct net_device *)data));

		u4McrOffset = rMcrInfo.u4McrOffset;

		/* printk("Write 0x%lx to MCR 0x%04lx\n", */
		/* rMcrInfo.u4McrOffset, rMcrInfo.u4McrData); */

		rStatus = kalIoctl(prGlueInfo,
				wlanoidSetMcrWrite,
				(PVOID)&rMcrInfo, sizeof(rMcrInfo), FALSE, FALSE, TRUE, FALSE, &u4BufLen);
	}

	if (sscanf(acBuf, "0x%lx 0x%lx", &rMcrInfo.u4McrOffset, &rMcrInfo.u4McrData) == 1) {
		/* if (IS_ALIGN_4(rMcrInfo.u4McrOffset)) */
		u4McrOffset = rMcrInfo.u4McrOffset;
	}

	return count;

}				/* end of procMCRWrite() */
#endif

#if 0
/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for reading Driver Status to User Space.
*
* \param[in] page       Buffer provided by kernel.
* \param[in out] start  Start Address to read(3 methods).
* \param[in] off        Offset.
* \param[in] count      Allowable number to read.
* \param[out] eof       End of File indication.
* \param[in] data       Pointer to the private data structure.
*
* \return number of characters print to the buffer from User Space.
*/
/*----------------------------------------------------------------------------*/
static int procDrvStatusRead(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	P_GLUE_INFO_T prGlueInfo = ((struct net_device *)data)->priv;
	char *p = page;
	UINT_32 u4Count;

	GLUE_SPIN_LOCK_DECLARATION();

	ASSERT(data);

	/* Kevin: Apply PROC read method 1. */
	if (off != 0)
		return 0;	/* To indicate end of file. */

	SPRINTF(p, ("GLUE LAYER STATUS:"));
	SPRINTF(p, ("\n=================="));

	SPRINTF(p, ("\n* Number of Pending Frames: %ld\n", prGlueInfo->u4TxPendingFrameNum));

	GLUE_ACQUIRE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

	wlanoidQueryDrvStatusForLinuxProc(prGlueInfo->prAdapter, p, &u4Count);

	GLUE_RELEASE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

	u4Count += (UINT_32) (p - page);

	*eof = 1;

	return (int)u4Count;

}				/* end of procDrvStatusRead() */

/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for reading Driver RX Statistic Counters to User Space.
*
* \param[in] page       Buffer provided by kernel.
* \param[in out] start  Start Address to read(3 methods).
* \param[in] off        Offset.
* \param[in] count      Allowable number to read.
* \param[out] eof       End of File indication.
* \param[in] data       Pointer to the private data structure.
*
* \return number of characters print to the buffer from User Space.
*/
/*----------------------------------------------------------------------------*/
static int procRxStatisticsRead(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	P_GLUE_INFO_T prGlueInfo = ((struct net_device *)data)->priv;
	char *p = page;
	UINT_32 u4Count;

	GLUE_SPIN_LOCK_DECLARATION();

	ASSERT(data);

	/* Kevin: Apply PROC read method 1. */
	if (off != 0)
		return 0;	/* To indicate end of file. */

	SPRINTF(p, ("RX STATISTICS (Write 1 to clear):"));
	SPRINTF(p, ("\n=================================\n"));

	GLUE_ACQUIRE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

	wlanoidQueryRxStatisticsForLinuxProc(prGlueInfo->prAdapter, p, &u4Count);

	GLUE_RELEASE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

	u4Count += (UINT_32) (p - page);

	*eof = 1;

	return (int)u4Count;

}				/* end of procRxStatisticsRead() */

/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for reset Driver RX Statistic Counters.
*
* \param[in] file   pointer to file.
* \param[in] buffer Buffer from user space.
* \param[in] count  Number of characters to write
* \param[in] data   Pointer to the private data structure.
*
* \return number of characters write from User Space.
*/
/*----------------------------------------------------------------------------*/
static int procRxStatisticsWrite(struct file *file, const char *buffer, unsigned long count, void *data)
{
	P_GLUE_INFO_T prGlueInfo = ((struct net_device *)data)->priv;
	char acBuf[PROC_RX_STATISTICS_MAX_USER_INPUT_LEN + 1];	/* + 1 for "\0" */
	UINT_32 u4CopySize;
	UINT_32 u4ClearCounter;

	GLUE_SPIN_LOCK_DECLARATION();

	ASSERT(data);

	u4CopySize = (count < (sizeof(acBuf) - 1)) ? count : (sizeof(acBuf) - 1);
	copy_from_user(acBuf, buffer, u4CopySize);
	acBuf[u4CopySize] = '\0';

	if (kstrtoint(acBuf, 10, &u4ClearCounter) == 1) {
		if (u4ClearCounter == 1) {
			GLUE_ACQUIRE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

			wlanoidSetRxStatisticsForLinuxProc(prGlueInfo->prAdapter);

			GLUE_RELEASE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);
		}
	}

	return count;

}				/* end of procRxStatisticsWrite() */

/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for reading Driver TX Statistic Counters to User Space.
*
* \param[in] page       Buffer provided by kernel.
* \param[in out] start  Start Address to read(3 methods).
* \param[in] off        Offset.
* \param[in] count      Allowable number to read.
* \param[out] eof       End of File indication.
* \param[in] data       Pointer to the private data structure.
*
* \return number of characters print to the buffer from User Space.
*/
/*----------------------------------------------------------------------------*/
static int procTxStatisticsRead(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	P_GLUE_INFO_T prGlueInfo = ((struct net_device *)data)->priv;
	char *p = page;
	UINT_32 u4Count;

	GLUE_SPIN_LOCK_DECLARATION();

	ASSERT(data);

	/* Kevin: Apply PROC read method 1. */
	if (off != 0)
		return 0;	/* To indicate end of file. */

	SPRINTF(p, ("TX STATISTICS (Write 1 to clear):"));
	SPRINTF(p, ("\n=================================\n"));

	GLUE_ACQUIRE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

	wlanoidQueryTxStatisticsForLinuxProc(prGlueInfo->prAdapter, p, &u4Count);

	GLUE_RELEASE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

	u4Count += (UINT_32) (p - page);

	*eof = 1;

	return (int)u4Count;

}				/* end of procTxStatisticsRead() */

/*----------------------------------------------------------------------------*/
/*!
* \brief The PROC function for reset Driver TX Statistic Counters.
*
* \param[in] file   pointer to file.
* \param[in] buffer Buffer from user space.
* \param[in] count  Number of characters to write
* \param[in] data   Pointer to the private data structure.
*
* \return number of characters write from User Space.
*/
/*----------------------------------------------------------------------------*/
static int procTxStatisticsWrite(struct file *file, const char *buffer, unsigned long count, void *data)
{
	P_GLUE_INFO_T prGlueInfo = ((struct net_device *)data)->priv;
	char acBuf[PROC_RX_STATISTICS_MAX_USER_INPUT_LEN + 1];	/* + 1 for "\0" */
	UINT_32 u4CopySize;
	UINT_32 u4ClearCounter;

	GLUE_SPIN_LOCK_DECLARATION();

	ASSERT(data);

	u4CopySize = (count < (sizeof(acBuf) - 1)) ? count : (sizeof(acBuf) - 1);
	copy_from_user(acBuf, buffer, u4CopySize);
	acBuf[u4CopySize] = '\0';

	if (kstrtoint(acBuf, 10, &u4ClearCounter) == 1) {
		if (u4ClearCounter == 1) {
			GLUE_ACQUIRE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);

			wlanoidSetTxStatisticsForLinuxProc(prGlueInfo->prAdapter);

			GLUE_RELEASE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_FSM);
		}
	}

	return count;

}				/* end of procTxStatisticsWrite() */
#endif
static struct proc_dir_entry *gprProcRoot;
static UINT_8 aucDbModuleName[][PROC_DBG_LEVEL_MAX_DISPLAY_STR_LEN] = {
	"INIT", "HAL", "INTR", "REQ", "TX", "RX", "RFTEST", "EMU", "SW1", "SW2",
	"SW3", "SW4", "HEM", "AIS", "RLM", "MEM", "CNM", "RSN", "BSS", "SCN",
	"SAA", "AAA", "P2P", "QM", "SEC", "BOW", "WAPI", "ROAMING", "TDLS", "OID",
	"NIC"
};
static UINT_8 aucProcBuf[1536];
static ssize_t procDbgLevelRead(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{
	UINT_8 *temp = &aucProcBuf[0];
	UINT_32 u4CopySize = 0;
	UINT_16 i;
	UINT_16 u2ModuleNum = 0;

	/* if *f_ops>0, we should return 0 to make cat command exit */
	if (*f_pos > 0)
		return 0;

	kalStrCpy(temp, "\nTEMP |LOUD |INFO |TRACE|EVENT|STATE|WARN |ERROR\n"
			"bit7 |bit6 |bit5 |bit4 |bit3 |bit2 |bit1 |bit0\n\n"
			"Debug Module\tIndex\tLevel\tDebug Module\tIndex\tLevel\n\n");
	temp += kalStrLen(temp);

	u2ModuleNum = (sizeof(aucDbModuleName) / PROC_DBG_LEVEL_MAX_DISPLAY_STR_LEN) & 0xfe;
	for (i = 0; i < u2ModuleNum; i += 2)
		SPRINTF(temp, ("DBG_%s_IDX\t(0x%02x):\t0x%02x\tDBG_%s_IDX\t(0x%02x):\t0x%02x\n",
				&aucDbModuleName[i][0], i, aucDebugModule[i],
				&aucDbModuleName[i+1][0], i+1, aucDebugModule[i+1]));

	if ((sizeof(aucDbModuleName) / PROC_DBG_LEVEL_MAX_DISPLAY_STR_LEN) & 0x1)
		SPRINTF(temp, ("DBG_%s_IDX\t(0x%02x):\t0x%02x\n",
				&aucDbModuleName[u2ModuleNum][0], u2ModuleNum, aucDebugModule[u2ModuleNum]));

	u4CopySize = kalStrLen(aucProcBuf);
	if (u4CopySize > count)
		u4CopySize = count;
	if (copy_to_user(buf, aucProcBuf, u4CopySize)) {
		kalPrint("copy to user failed\n");
		return -EFAULT;
	}

	*f_pos += u4CopySize;
	return (ssize_t)u4CopySize;
}

static ssize_t procDbgLevelWrite(struct file *file, const char *buffer, size_t count, loff_t *data)
{
	UINT_32 u4NewDbgModule, u4NewDbgLevel;
	UINT_8 i = 0;
	UINT_32 u4CopySize = sizeof(aucProcBuf);
	UINT_8 *temp = &aucProcBuf[0];

	kalMemSet(aucProcBuf, 0, u4CopySize);
	u4CopySize = (count < u4CopySize) ? count : (u4CopySize - 1);

	if (copy_from_user(aucProcBuf, buffer, u4CopySize)) {
		kalPrint("error of copy from user\n");
		return -EFAULT;
	}
	aucProcBuf[u4CopySize] = '\0';

	while (temp) {
		if (sscanf(temp, "0x%x:0x%x", &u4NewDbgModule, &u4NewDbgLevel) != 2)  {
			kalPrint("debug module and debug level should be one byte in length\n");
			break;
		}
		if (u4NewDbgModule == 0xFF) {
			for (i = 0; i < DBG_MODULE_NUM; i++)
				aucDebugModule[i] = u4NewDbgLevel & DBG_CLASS_MASK;

			break;
		} else if (u4NewDbgModule >= DBG_MODULE_NUM) {
			kalPrint("debug module index should less than %d\n", DBG_MODULE_NUM);
			break;
		}
		aucDebugModule[u4NewDbgModule] =  u4NewDbgLevel & DBG_CLASS_MASK;
		temp = kalStrChr(temp, ',');
		if (!temp)
			break;
		temp++; /* skip ',' */
	}
	return count;
}


static const struct file_operations dbglevel_ops = {
	.owner = THIS_MODULE,
	.read = procDbgLevelRead,
	.write = procDbgLevelWrite,
};

static ssize_t procTxDoneCfgRead(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{
	UINT_8 *temp = &aucProcBuf[0];
	UINT_32 u4CopySize = 0;
	UINT_16 u2TxDoneCfg = 0;

	/* if *f_ops>0, we should return 0 to make cat command exit */
	if (*f_pos > 0)
		return 0;

	u2TxDoneCfg = StatsGetCfgTxDone();
	SPRINTF(temp, ("Tx Done Configure:\nARP %d\tDNS %d\nTCP %d\tUDP %d\nEAPOL %d\tDHCP %d\nICMP %d\n",
			!!(u2TxDoneCfg & CFG_ARP), !!(u2TxDoneCfg & CFG_DNS), !!(u2TxDoneCfg & CFG_TCP),
			!!(u2TxDoneCfg & CFG_UDP), !!(u2TxDoneCfg & CFG_EAPOL), !!(u2TxDoneCfg & CFG_DHCP),
			!!(u2TxDoneCfg & CFG_ICMP)));

	u4CopySize = kalStrLen(aucProcBuf);
	if (u4CopySize > count)
		u4CopySize = count;
	if (copy_to_user(buf, aucProcBuf, u4CopySize)) {
		kalPrint("copy to user failed\n");
		return -EFAULT;
	}

	*f_pos += u4CopySize;
	return (ssize_t)u4CopySize;
}

static ssize_t procTxDoneCfgWrite(struct file *file, const char *buffer, size_t count, loff_t *data)
{
#define MODULE_NAME_LENGTH 6

	UINT_8 i = 0;
	UINT_32 u4CopySize = sizeof(aucProcBuf);
	UINT_8 *temp = &aucProcBuf[0];
	UINT_16 u2SetTxDoneCfg = 0;
	UINT_16 u2ClsTxDoneCfg = 0;
	UINT_8 aucModule[MODULE_NAME_LENGTH];
	UINT_32 u4Enabled;
	UINT_8 aucModuleArray[][MODULE_NAME_LENGTH] = {"ARP", "DNS", "TCP", "UDP", "EAPOL", "DHCP", "ICMP"};

	kalMemSet(aucProcBuf, 0, u4CopySize);
	u4CopySize = (count < u4CopySize) ? count : (u4CopySize - 1);

	if (copy_from_user(aucProcBuf, buffer, u4CopySize)) {
		kalPrint("error of copy from user\n");
		return -EFAULT;
	}
	aucProcBuf[u4CopySize] = '\0';
	temp = &aucProcBuf[0];
	while (temp) {
		/* pick up a string and teminated after meet : */
		if (sscanf(temp, "%5s %d", aucModule, &u4Enabled) != 2)  {
			kalPrint("read param fail, aucModule=%s\n", aucModule);
			break;
		}
		for (i = 0; i < sizeof(aucModuleArray)/MODULE_NAME_LENGTH; i++) {
			if (kalStrniCmp(aucModule, aucModuleArray[i], MODULE_NAME_LENGTH) == 0) {
				if (u4Enabled)
					u2SetTxDoneCfg |= 1 << i;
				else
					u2ClsTxDoneCfg |= 1 << i;
				break;
			}
		}
		temp = kalStrChr(temp, ',');
		if (!temp)
			break;
		temp++; /* skip ',' */
	}
	if (u2SetTxDoneCfg)
		StatsSetCfgTxDone(u2SetTxDoneCfg, TRUE);

	if (u2ClsTxDoneCfg)
		StatsSetCfgTxDone(u2ClsTxDoneCfg, FALSE);
	return count;
}

static const struct file_operations proc_txdone_ops = {
	.owner = THIS_MODULE,
	.read = procTxDoneCfgRead,
	.write = procTxDoneCfgWrite,
};


static ssize_t procCmdDebug(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{
	UINT_32 u4CopySize = 0;

	/* if *f_ops>0, we should return 0 to make cat command exit */
	if (*f_pos > 0)
		return 0;

	wlanDumpTcResAndTxedCmd(aucProcBuf, sizeof(aucProcBuf));

	u4CopySize = kalStrLen(aucProcBuf);
	if (u4CopySize > count)
		u4CopySize = count;
	if (copy_to_user(buf, aucProcBuf, u4CopySize)) {
		kalPrint("copy to user failed\n");
		return -EFAULT;
	}

	*f_pos += u4CopySize;
	return (ssize_t)u4CopySize;
}

static const struct file_operations proc_CmdDebug_ops = {
	.owner = THIS_MODULE,
	.read = procCmdDebug,
};

/*----------------------------------------------------------------------------*/
/*!
* \brief This function create a PROC fs in linux /proc/net subdirectory.
*
* \param[in] prDev      Pointer to the struct net_device.
* \param[in] pucDevName Pointer to the name of net_device.
*
* \return N/A
*/
/*----------------------------------------------------------------------------*/

#if CFG_SUPPORT_THERMO_THROTTLING

/**
 * This function is called then the /proc file is read
 *
 */
typedef struct _COEX_BUF1 {
	UINT8 buffer[128];
	INT32 availSize;
} COEX_BUF1, *P_COEX_BUF1;

COEX_BUF1 gCoexBuf1;

static ssize_t procfile_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{

	INT32 retval = 0;
	INT32 i_ret = 0;
	CHAR *warn_msg = "no data available, please run echo 15 xx > /proc/driver/wmt_psm first\n";

	if (*f_pos > 0) {
		retval = 0;
	} else {
		/*len = sprintf(page, "%d\n", g_psm_enable); */
#if 1
		if (gCoexBuf1.availSize <= 0) {
			DBGLOG(INIT, WARN, "no data available\n");
			retval = strlen(warn_msg) + 1;
			if (count < retval)
				retval = count;
			i_ret = copy_to_user(buf, warn_msg, retval);
			if (i_ret) {
				DBGLOG(INIT, ERROR, "copy to buffer failed, ret:%d\n", retval);
				retval = -EFAULT;
				goto err_exit;
			}
			*f_pos += retval;
		} else
#endif
		{
			INT32 i = 0;
			INT32 len = 0;
			CHAR msg_info[128];
			INT32 max_num = 0;
			/*we do not check page buffer, because there are only 100 bytes in g_coex_buf, no reason page
			buffer is not enough, a bomb is placed here on unexpected condition */

			DBGLOG(INIT, TRACE, "%d bytes available\n", gCoexBuf1.availSize);
			max_num = ((sizeof(msg_info) > count ? sizeof(msg_info) : count) - 1) / 5;

			if (max_num > gCoexBuf1.availSize)
				max_num = gCoexBuf1.availSize;
			else
				DBGLOG(INIT, TRACE,
				"round to %d bytes due to local buffer size limitation\n", max_num);

			for (i = 0; i < max_num; i++)
				len += sprintf(msg_info + len, "%d", gCoexBuf1.buffer[i]);

			len += sprintf(msg_info + len, "\n");
			retval = len;

			i_ret = copy_to_user(buf, msg_info, retval);
			if (i_ret) {
				DBGLOG(INIT, ERROR, "copy to buffer failed, ret:%d\n", retval);
				retval = -EFAULT;
				goto err_exit;
			}
			*f_pos += retval;
		}
	}
	gCoexBuf1.availSize = 0;
err_exit:

	return retval;
}

#if 1
typedef INT32 (*WLAN_DEV_DBG_FUNC)(void);
static INT32 wlan_get_thermo_power(void);
static INT32 wlan_get_link_mode(void);

static const WLAN_DEV_DBG_FUNC wlan_dev_dbg_func[] = {
	[0] = wlan_get_thermo_power,
	[1] = wlan_get_link_mode,

};

INT32 wlan_get_thermo_power(void)
{
	P_ADAPTER_T prAdapter;

	prAdapter = g_prGlueInfo_proc->prAdapter;

	if (prAdapter->u4AirDelayTotal > 100)
		gCoexBuf1.buffer[0] = 100;
	else
		gCoexBuf1.buffer[0] = prAdapter->u4AirDelayTotal;
	gCoexBuf1.availSize = 1;
	DBGLOG(RLM, TRACE, "PROC %s thrmo_power(%d)\n", __func__, gCoexBuf1.buffer[0]);

	return 0;
}

INT32 wlan_get_link_mode(void)
{
	UINT_8 ucLinkMode = 0;
	P_ADAPTER_T prAdapter;
	BOOLEAN fgIsAPmode;

	prAdapter = g_prGlueInfo_proc->prAdapter;
	fgIsAPmode = p2pFuncIsAPMode(prAdapter->rWifiVar.prP2pFsmInfo);

	DBGLOG(RLM, TRACE, "PROC %s AIS(%d)P2P(%d)AP(%d)\n",
			   __func__,
			   prAdapter->rWifiVar.arBssInfo[NETWORK_TYPE_AIS_INDEX].eConnectionState,
			   prAdapter->rWifiVar.arBssInfo[NETWORK_TYPE_P2P_INDEX].eConnectionState, fgIsAPmode);

#if 1

	if (prAdapter->rWifiVar.arBssInfo[NETWORK_TYPE_AIS_INDEX].eConnectionState == PARAM_MEDIA_STATE_CONNECTED)
		ucLinkMode |= BIT(0);
	if (prAdapter->rWifiVar.arBssInfo[NETWORK_TYPE_P2P_INDEX].eConnectionState == PARAM_MEDIA_STATE_CONNECTED)
		ucLinkMode |= BIT(1);
	if (fgIsAPmode)
		ucLinkMode |= BIT(2);

#endif
	gCoexBuf1.buffer[0] = ucLinkMode;
	gCoexBuf1.availSize = 1;

	return 0;
}

static ssize_t procfile_write(struct file *filp, const char __user *buffer,
			      size_t count, loff_t *f_pos)
{
	char buf[256];
	char *pBuf;
	ULONG len = count;
	unsigned int x = 0;
	char *pToken = NULL;
	char *pDelimiter = " \t";
	INT32 i4Ret = -1;

	DBGLOG(INIT, TRACE, "write parameter len = %d\n\r", (INT32) len);
	if (len >= sizeof(buf)) {
		DBGLOG(INIT, ERROR, "input handling fail!\n");
		return -1;
	}

	if (copy_from_user(buf, buffer, len))
		return -EFAULT;

	buf[len] = '\0';
	DBGLOG(INIT, TRACE, "write parameter data = %s\n\r", buf);
	pBuf = buf;
	pToken = strsep(&pBuf, pDelimiter);
	if (pToken) {
		i4Ret = kalkStrtou32(pToken, 16, &x);
		if (!i4Ret)
			DBGLOG(INIT, TRACE, " x(0x%08x)\n\r", x);
	}

	if ((!i4Ret) &&
	    ((sizeof(wlan_dev_dbg_func) / sizeof(wlan_dev_dbg_func[0])) > x) &&
	    (wlan_dev_dbg_func[x] != NULL))
		(*wlan_dev_dbg_func[x]) ();
	else
		DBGLOG(INIT, ERROR,
		       "no handler defined for command id(0x%08x), pToken=%p, i4Ret=%d\n\r",
		       x, pToken, i4Ret);

	return len;
}
#endif

static const struct file_operations proc_fops = {
	.owner = THIS_MODULE,
	.read = procfile_read,
	.write = procfile_write,
};
#endif

INT_32 procInitFs(VOID)
{
	struct proc_dir_entry *prEntry;

	if (init_net.proc_net == (struct proc_dir_entry *)NULL) {
		kalPrint("init proc fs fail: proc_net == NULL\n");
		return -ENOENT;
	}

	/*
	 * Directory: Root (/proc/net/wlan0)
	 */

	gprProcRoot = proc_mkdir(PROC_ROOT_NAME, init_net.proc_net);
	if (!gprProcRoot) {
		kalPrint("gprProcRoot == NULL\n");
		return -ENOENT;
	}
	proc_set_user(gprProcRoot, KUIDT_INIT(PROC_UID_SHELL), KGIDT_INIT(PROC_GID_WIFI));

	prEntry = proc_create(PROC_DBG_LEVEL_NAME, 0664, gprProcRoot, &dbglevel_ops);
	if (prEntry == NULL) {
		kalPrint("Unable to create /proc entry dbgLevel\n\r");
		return -1;
	}
	proc_set_user(prEntry, KUIDT_INIT(PROC_UID_SHELL), KGIDT_INIT(PROC_GID_WIFI));

	prEntry = proc_create(PROC_NEED_TX_DONE, 0664, gprProcRoot, &proc_txdone_ops);
	if (prEntry == NULL) {
		kalPrint("Unable to create /proc entry dbgLevel\n\r");
		return -1;
	}
	proc_set_user(prEntry, KUIDT_INIT(PROC_UID_SHELL), KGIDT_INIT(PROC_GID_WIFI));
	return 0;
}				/* end of procInitProcfs() */

INT_32 procUninitProcFs(VOID)
{
	remove_proc_entry(PROC_DBG_LEVEL_NAME, gprProcRoot);
	remove_proc_subtree(PROC_ROOT_NAME, init_net.proc_net);
	return 0;
}

/*----------------------------------------------------------------------------*/
/*!
* \brief This function clean up a PROC fs created by procInitProcfs().
*
* \param[in] prDev      Pointer to the struct net_device.
* \param[in] pucDevName Pointer to the name of net_device.
*
* \return N/A
*/
/*----------------------------------------------------------------------------*/
INT_32 procRemoveProcfs(VOID)
{
	/* remove root directory (proc/net/wlan0) */
	/* remove_proc_entry(pucDevName, init_net.proc_net); */
	remove_proc_entry(PROC_WLAN_THERMO, gprProcRoot);
	remove_proc_entry(PROC_CMD_DEBUG_NAME, gprProcRoot);
#if CFG_SUPPORT_THERMO_THROTTLING
	g_prGlueInfo_proc = NULL;
#endif
	return 0;
}				/* end of procRemoveProcfs() */

INT_32 procCreateFsEntry(P_GLUE_INFO_T prGlueInfo)
{
	struct proc_dir_entry *prEntry;

	DBGLOG(INIT, TRACE, "[%s]\n", __func__);

#if CFG_SUPPORT_THERMO_THROTTLING
	g_prGlueInfo_proc = prGlueInfo;
#endif

	prGlueInfo->pProcRoot = gprProcRoot;

	prEntry = proc_create(PROC_WLAN_THERMO, 0664, gprProcRoot, &proc_fops);
	if (prEntry == NULL) {
		DBGLOG(INIT, ERROR, "Unable to create /proc entry\n\r");
		return -1;
	}

	prEntry = proc_create(PROC_CMD_DEBUG_NAME, 0444, gprProcRoot, &proc_CmdDebug_ops);
	if (prEntry == NULL) {
		kalPrint("Unable to create /proc entry dbgLevel\n\r");
		return -1;
	}
	proc_set_user(prEntry, KUIDT_INIT(PROC_UID_SHELL), KGIDT_INIT(PROC_GID_WIFI));
	return 0;
}

#ifdef FW_CFG_SUPPORT
#define MAX_CFG_OUTPUT_BUF_LENGTH 1024
static UINT_8 aucCfgBuf[CMD_FORMAT_V1_LENGTH];
static UINT_8 aucCfgQueryKey[MAX_CMD_NAME_MAX_LENGTH];
static UINT_8 aucCfgOutputBuf[MAX_CFG_OUTPUT_BUF_LENGTH];

static ssize_t cfgRead(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{
	WLAN_STATUS rStatus = WLAN_STATUS_FAILURE;
	UINT_8 *temp = &aucCfgOutputBuf[0];
	UINT_32 u4CopySize = 0;
	struct _CMD_HEADER_T cmdV1Header;
	struct _CMD_FORMAT_V1_T *pr_cmd_v1 = (struct _CMD_FORMAT_V1_T *) cmdV1Header.buffer;

	/* if *f_pos >  0, we should return 0 to make cat command exit */
	if (*f_pos > 0 || gprGlueInfo == NULL)
		return 0;

	kalMemSet(aucCfgOutputBuf, 0, MAX_CFG_OUTPUT_BUF_LENGTH);

	SPRINTF(temp, ("\nprocCfgRead() %s:\n", aucCfgQueryKey));

	/* send to FW */
	cmdV1Header.cmdVersion = CMD_VER_1;
	cmdV1Header.cmdType = CMD_TYPE_QUERY;
	cmdV1Header.itemNum = 1;
	cmdV1Header.cmdBufferLen = sizeof(struct _CMD_FORMAT_V1_T);
	kalMemSet(cmdV1Header.buffer, 0, MAX_CMD_BUFFER_LENGTH);

	pr_cmd_v1->itemStringLength = kalStrLen(aucCfgQueryKey);
	kalMemCopy(pr_cmd_v1->itemString, aucCfgQueryKey, kalStrLen(aucCfgQueryKey));

	rStatus = kalIoctl(gprGlueInfo,
			wlanoidQueryCfgRead,
			(PVOID)&cmdV1Header,
			sizeof(cmdV1Header),
			TRUE,
			TRUE,
			TRUE,
			FALSE,
			&u4CopySize);
	if (rStatus == WLAN_STATUS_FAILURE)
		DBGLOG(INIT, ERROR, "prCmdV1Header kalIoctl wlanoidQueryCfgRead fail 0x%x\n", rStatus);

	SPRINTF(temp, ("%s\n", cmdV1Header.buffer));

	u4CopySize = kalStrLen(aucCfgOutputBuf);
	if (u4CopySize > count)
		u4CopySize = count;

	if (copy_to_user(buf, aucCfgOutputBuf, u4CopySize))
		DBGLOG(INIT, ERROR, "copy to user failed\n");

	*f_pos += u4CopySize;
	return (ssize_t)u4CopySize;
}

static ssize_t cfgWrite(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
{
	/* echo xxx xxx > /proc/net/wlan/cfg */
	UINT_8 i = 0;
	UINT_32 u4CopySize = sizeof(aucCfgBuf);
	UINT_8 token_num = 1;

	kalMemSet(aucCfgBuf, 0, u4CopySize);
	u4CopySize = (count < u4CopySize) ? count : (u4CopySize - 1);

	if (copy_from_user(aucCfgBuf, buf, u4CopySize)) {
		DBGLOG(INIT, ERROR, "copy from user failed\n");
		return -EFAULT;
	}

	for (; i < u4CopySize; i++) {
		if (aucCfgBuf[i] == ' ') {
			token_num++;
			break;
		}
	}

	DBGLOG(INIT, INFO, "procCfgWrite %s\n", aucCfgBuf);

	if (token_num == 1) {
		kalMemSet(aucCfgQueryKey, 0, sizeof(aucCfgQueryKey));
		memcpy(aucCfgQueryKey, aucCfgBuf, u4CopySize);
		if (aucCfgQueryKey[u4CopySize - 1] == 0x0a)
			aucCfgQueryKey[u4CopySize - 1] = '\0';
	} else {
		if (u4CopySize)
			wlanFwCfgParse(gprGlueInfo->prAdapter, aucCfgBuf);
	}

	return count;
}

static const struct file_operations cfg_ops = {
	.owner = THIS_MODULE,
	.read = cfgRead,
	.write = cfgWrite,
};

INT_32 cfgRemoveProcEntry(void)
{
	remove_proc_entry(PROC_CFG_NAME, gprProcRoot);
	return 0;
}

INT_32 cfgCreateProcEntry(P_GLUE_INFO_T prGlueInfo)
{
	struct proc_dir_entry *prEntry;

	prGlueInfo->pProcRoot = gprProcRoot;
	gprGlueInfo = prGlueInfo;

	prEntry = proc_create(PROC_CFG_NAME, 0664, gprProcRoot, &cfg_ops);
	if (prEntry == NULL) {
		DBGLOG(INIT, ERROR, "Unable to create /proc entry cfg\n\r");
		return -1;
	}
	proc_set_user(prEntry, KUIDT_INIT(PROC_UID_SHELL), KGIDT_INIT(PROC_GID_WIFI));

	return 0;
}
#endif