conn_init/wfc_util_qcom.c - fp2-dev/device/lge/mako - Gitiles

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #ifdef CONFIG_LGE_WLAN_QCOM_PATCH

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

 #include "wfc_util_log.h"
 #include "wfc_util_fctrl.h"
 #include "wfc_util_common.h"

 #include "private/android_filesystem_config.h"

 #define WFC_UTIL_FEAUTRE_COPY_NV_BIN

 #ifdef WLAN_CHIP_VERSION_WCNSS
 #ifndef WFC_UTIL_CFG_FILE_NAME
 #define WFC_UTIL_CFG_FILE_NAME          "/data/misc/wifi/WCNSS_qcom_cfg.ini"
 #endif
 #ifndef WFC_UTIL_CFG_TEMPFILE_NAME
 #define WFC_UTIL_CFG_TEMPFILE_NAME      "/system/etc/wifi/WCNSS_qcom_cfg.ini"
 #endif
 #else  /* WLAN_CHIP_VERSION_WCN1314 */
 #ifndef WFC_UTIL_CFG_FILE_NAME
 #define WFC_UTIL_CFG_FILE_NAME          "/data/misc/wifi/WCN1314_qcom_cfg.ini"
 #endif
 #ifndef WFC_UTIL_CFG_TEMPFILE_NAME
 #define WFC_UTIL_CFG_TEMPFILE_NAME      "/system/etc/wifi/WCN1314_qcom_cfg.ini"
 #endif
 #endif /* WLAN_CHIP_VERSION_XXXX */

 #ifdef WFC_UTIL_FEAUTRE_COPY_NV_BIN
 #ifdef WLAN_CHIP_VERSION_WCNSS
 #ifndef WFC_UTIL_NV_BIN_TEMPFILE_NAME
 #define WFC_UTIL_NV_BIN_TEMPFILE_NAME   "/system/etc/wifi/WCNSS_qcom_wlan_nv.bin"
 #endif
 #ifndef WFC_UTIL_NV_BIN_FILE_NAME
 #define WFC_UTIL_NV_BIN_FILE_NAME       "/data/misc/wifi/WCNSS_qcom_wlan_nv.bin"
 #endif
 #else  /* WLAN_CHIP_VERSION_WCN1314 */
 #ifndef WFC_UTIL_NV_BIN_TEMPFILE_NAME
 #define WFC_UTIL_NV_BIN_TEMPFILE_NAME   "/persist/WCN1314_qcom_wlan_nv.bin"
 #endif
 #ifndef WFC_UTIL_NV_BIN_FILE_NAME
 #define WFC_UTIL_NV_BIN_FILE_NAME       "/data/misc/wifi/WCN1314_qcom_wlan_nv.bin"
 #endif
 #endif /* WLAN_CHIP_VERSION_XXXX */
 #else  /* WFC_UTIL_FEAUTRE_COPY_NV_BIN */
 #ifndef WFC_UTIL_NV_BIN_FILE_NAME
 #ifdef WLAN_CHIP_VERSION_WCNSS
 #define WFC_UTIL_NV_BIN_FILE_NAME       "/persist/WCNSS_qcom_wlan_nv.bin"
 #else  /* WLAN_CHIP_VERSION_WCN1314 */
 #define WFC_UTIL_NV_BIN_FILE_NAME       "/persist/WCN1314_qcom_wlan_nv.bin"
 #endif /* WLAN_CHIP_VERSION_XXXX */
 #endif
 #endif /* WFC_UTIL_FEAUTRE_COPY_NV_BIN */

 #define WFC_UTIL_CFG_TAG_END_OF_CFG     "END"
 /*
  * Station Mode MAC Address
  */
 #ifdef WLAN_CHIP_VERSION_WCNSS
 #define WFC_UTIL_CFG_TAG_MAC_ADDRESS    "Intf0MacAddress="
 #else  /* WLAN_CHIP_VERSION_WCN1314 */
 #define WFC_UTIL_CFG_TAG_MAC_ADDRESS    "NetworkAddress="
 #endif /* WLAN_CHIP_VERSION_XXXX */
 /*
  * AP Mode MAC Address
  */
 #define WFC_UTIL_CFG_TAG_AP_MAC_ADDRESS "gAPMacAddr="

 /*
  * Idle Mode Power Save enable/disable for OTA test
  */
 #define WFC_UTIL_CFG_TAG_IDLE_MODE_POWER_SAVE "gEnableImps="

 /*
  * Beacon Mode Power Save enable/disable for OTA test
  */
 #define WFC_UTIL_CFG_TAG_POWER_SAVE "gEnableBmps="

 /*
  * L2 roaming on/off for OTA test
  */
 #define WFC_UTIL_CFG_TAG_L2Roaming "gEnableHandoff="

 /*
  * Heartbeat24 changing for OtA test
  */
 #define WFC_UTIL_CFG_TAG_HEARTBEAT24 "gHeartbeat24="

 /*
  * TAG for end of line
  */
 #define WFC_UTIL_CFG_TAG_END_OF_LINE    "\n"

 #define WFC_UTIL_CFG_LENGHT_MAC         (6)
 #define WFC_UTIL_CFG_LENGHT_MAC_STRING  (WFC_UTIL_CFG_LENGHT_MAC*2)

 /*
  * persist/WCNSS_qcom_wlan_nv.bin
  *
  * NV validity bitmap (4 bytes)
  * {
  *     Bit 0 - Regulatory domain tables
  *     Bit 1 - Fields(including product ID, product bands, number of Tx/Rx chains, MAC address, manufacturing board number)
  *     Bit 2 - Optimal power per rate table
  *     Bit 3 - Default regulatory domain and country code
  *     Bit 4:31 - Reserved; always 0
  * }
  *
  * typedef PACKED_PRE struct PACKED_POST
  * {
  *     //always ensure fields are aligned to 32-bit boundaries
  *     tANI_U16  productId;
  *     tANI_U8   productBands;        //0: 0.4 GHz, 1: 2.4+5.0 GHz, 2: 5.0 GHz
  *     tANI_U8   wlanNvRevId;         //0: WCN1312, 1: WCN1314, 2: PRIMA
  *
  *     tANI_U8   numOfTxChains;
  *     tANI_U8   numOfRxChains;
  *     tANI_U8   macAddr[NV_FIELD_MAC_ADDR_SIZE];
  *     tANI_U8   mfgSN[NV_FIELD_MFG_SN_SIZE];
  * } sNvFields;
  */
 #define WFC_UTIL_NV_BIN_HEADER_LENGTH   (4)
 #define WFC_UTIL_NV_BIN_POS_PRODUCT_ID  (WFC_UTIL_NV_BIN_HEADER_LENGTH + 0)
 #define WFC_UTIL_NV_BIN_POS_MAC_ADDR    (WFC_UTIL_NV_BIN_HEADER_LENGTH + 6)

 #ifdef WLAN_CHIP_VERSION_WCNSS
 /* refer to prima/CORE/WDA/src/wlan_nv.c */
 static unsigned char nvFilelds_default[6] = {0, 0, /* productId */
                                              1,    /* productBands */
                                              2,    /* wlanNvRevId */
                                              1,    /* numOfTxChains */
                                              2};   /* numOfRxChains */
 #else  /* WLAN_CHIP_VERSION_WCN1314 */
 static unsigned char nvFilelds_default[6] = {1, 0, /* productId */
                                              1,    /* productBands */
                                              1,    /* wlanNvRevId */
                                              1,    /* numOfTxChains */
                                              1};   /* numOfRxChains */
 #endif /* WLAN_CHIP_VERSION_XXXX */

 /*
  * wfc_util_qcom_is_default_mac
  *
  *
  *
  * return : it will return 1 if mac_add is default mac address,
  *          2 if mac_add is RFT mac address
  *          or 0 if not.
  */
 static int wfc_util_qcom_is_default_mac(char *mac_add)
 {
 #define WFC_UTIL_CFG_DEFAULT_MAC_RFT     "00900CBACD88"
 #define WFC_UTIL_CFG_DEFAULT_MAC_00      "000000000000"
 #define WFC_UTIL_CFG_DEFAULT_MAC_FF      "FFFFFFFFFFFF"
 #define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I0 "000AF58989FF"
 #define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I1 "000AF58989FE"
 #define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I2 "000AF58989FD"
 #define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I3 "000AF58989FC"
 #define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_AP "000AF58989EF"

 	int i, sZarray=0;
 	/*
 	 * default mac address array
 	 */
 	char mac_add_buff[][WFC_UTIL_CFG_LENGHT_MAC_STRING+1] = {
 			{WFC_UTIL_CFG_DEFAULT_MAC_00},
 			{WFC_UTIL_CFG_DEFAULT_MAC_FF},
 			{WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I0}
 	};

 	sZarray = sizeof(mac_add_buff) / sizeof(mac_add_buff[0]);

 	for(i=0; i<sZarray ;i++) {
 		if(0 == strncmp(mac_add, mac_add_buff[i], WFC_UTIL_CFG_LENGHT_MAC_STRING)) {
 			wfc_util_log_error("This is default MAC address [%s]", mac_add_buff[i]);
 			return 1;
 		}
 	}

 	/*
 	if(1 == wfc_util_is_random_mac(mac_add)) {
 		wfc_util_log_error("This is Random MAC address");
 		return 1;
 	}
 	*/

 	if(0 == strncmp(mac_add, WFC_UTIL_CFG_DEFAULT_MAC_RFT, WFC_UTIL_CFG_LENGHT_MAC_STRING)) {
 		wfc_util_log_error("This is RFT MAC address [%s]", WFC_UTIL_CFG_DEFAULT_MAC_RFT);
 		return 2;
 	}

 	return 0;
 }

 static void wfc_util_qcom_write_mac(char *mac_add)
 {
 	/*
 	 * Station Mode MAC Address
 	 */
 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_MAC_ADDRESS,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     mac_add);

 	/*
 	 * AP Mode MAC Address
 	 */
 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_AP_MAC_ADDRESS,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     mac_add);

 	return;
 }

 /*
  *  When OTA is enabled, power save mode and L2 roaming trigger should be off
  */
 static void wfc_util_qcom_write_ota_enable(void)
 {
 /*
  * write Beacon Mode Power Save off and L2 Roaming off
  */
 	char *PowerSaveOff = "0";
 	//char *L2RoamingOff = "0";
 	char *Heartbeat24 = "120";

 	char string_buff[5];

 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_IDLE_MODE_POWER_SAVE,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     PowerSaveOff);

 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_POWER_SAVE,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     PowerSaveOff);

 /* We don't need to change this becasue the default value of WFC_UTIL_CFG_TAG_L2Roaming is 0.
 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_L2Roaming,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     L2RoamingOff);
 */

 	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
 	                            WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                            WFC_UTIL_CFG_TAG_HEARTBEAT24,
 	                            WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                            string_buff,
 	                            5)) {
 		wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 		                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 		                     WFC_UTIL_CFG_TAG_HEARTBEAT24,
 		                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 		                     Heartbeat24);
 	} else {
 		wfc_util_log_error("%s is not exist", WFC_UTIL_CFG_TAG_HEARTBEAT24);
 	}

 	return;
 }

 /*
  *  When OTA is enabled, power save mode and L2 roaming trigger should be off
  */
 static void wfc_util_qcom_write_ota_disable(void)
 {
 /*
  * write Beacon Mode Power Save on and L2 Roaming on
  */
 	char *PowerSaveOff = "1";
 	//char *L2RoamingOff = "1";
 	char *Heartbeat24 = "40";

 	char string_buff[5];

 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_IDLE_MODE_POWER_SAVE,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     PowerSaveOff);

 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_POWER_SAVE,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     PowerSaveOff);

 /* We don't need to change this becasue the default value of WFC_UTIL_CFG_TAG_L2Roaming is 0.
 	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 	                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                     WFC_UTIL_CFG_TAG_L2Roaming,
 	                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                     L2RoamingOff);
 */

 	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
 	                            WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                            WFC_UTIL_CFG_TAG_HEARTBEAT24,
 	                            WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                            string_buff,
 	                            5)) {
 		wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
 		                     WFC_UTIL_CFG_TAG_END_OF_CFG,
 		                     WFC_UTIL_CFG_TAG_HEARTBEAT24,
 		                     WFC_UTIL_CFG_TAG_END_OF_LINE,
 		                     Heartbeat24);
 	} else {
 		wfc_util_log_error("%s is not exist", WFC_UTIL_CFG_TAG_HEARTBEAT24);
 	}

 	return;
 }

 static void wfc_util_qcom_write_mac_to_bin(unsigned char *mac_add)
 {
 	unsigned char nvValidityBitmap[WFC_UTIL_NV_BIN_HEADER_LENGTH];

 	if(0 != wfc_util_ffile_check(WFC_UTIL_NV_BIN_FILE_NAME,
 	                             F_OK|R_OK|W_OK)) {
 		wfc_util_log_error("We don't access file [%s]", WFC_UTIL_NV_BIN_FILE_NAME);
 		return;
 	}

 	memset(nvValidityBitmap, 0, WFC_UTIL_NV_BIN_HEADER_LENGTH);

 	/*
 	 * Write RFT MAC Address
 	 */
 	wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
 	                     WFC_UTIL_NV_BIN_POS_MAC_ADDR,
 	                     mac_add,
 	                     WFC_UTIL_CFG_LENGHT_MAC);

 	/*
 	 * Read NV validity bitmap
 	 */
 	if (0 < wfc_util_fget_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
 	                             0,
 	                             WFC_UTIL_NV_BIN_HEADER_LENGTH,
 	                             nvValidityBitmap,
 	                             WFC_UTIL_NV_BIN_HEADER_LENGTH)){
 	        /*
 	         * Check whether Fields bit(Bit 1) is set
 	         */
 		if (0x02 & nvValidityBitmap[0]) {
 			wfc_util_log_info("We don't need to write the default value for NvFilelds");
 		} else {
 		        /*
 		         * Update the Fields bit(Bit 1)
 		         */
 			nvValidityBitmap[0] |= 0x02;
 			wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
 			                     0,
 			                     nvValidityBitmap,
 			                     WFC_UTIL_NV_BIN_HEADER_LENGTH);

 		        /*
 		         * Write the default value for NvFilelds
 		         */
 			wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
 			                     WFC_UTIL_NV_BIN_POS_PRODUCT_ID,
 			                     nvFilelds_default,
 			                     6);
 		}
 	} else {
 		wfc_util_log_error("Read Fail nvValidityBitmap");
 	}

 	return;
 }

 /*
  * wfc_util_qcom_reset_mac_to_bin
  *
  * reset the mac address of nv bin file
  *
  * return : void
  */
 static void wfc_util_qcom_reset_mac_to_bin(void)
 {
 	unsigned char mac_addr[WFC_UTIL_CFG_LENGHT_MAC];

 	if(0 != wfc_util_ffile_check(WFC_UTIL_NV_BIN_FILE_NAME,
 	                             F_OK|R_OK|W_OK)) {
 		wfc_util_log_error("We don't access file [%s]", WFC_UTIL_NV_BIN_FILE_NAME);
 		return;
 	}

 	if(0 < wfc_util_fget_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
 	                            WFC_UTIL_NV_BIN_POS_MAC_ADDR,
 	                            WFC_UTIL_CFG_LENGHT_MAC,
 	                            mac_addr,
 	                            WFC_UTIL_CFG_LENGHT_MAC)) {
 		if(0x00 == mac_addr[0] && 0x00 == mac_addr[1] && 0x00 == mac_addr[2] &&
 		   0x00 == mac_addr[3] && 0x00 == mac_addr[4] && 0x00 == mac_addr[5])
 		{
 			return;
 		}
 	}

 	memset(mac_addr, 0, WFC_UTIL_CFG_LENGHT_MAC);

 	wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
 	                     WFC_UTIL_NV_BIN_POS_MAC_ADDR,
 	                     mac_addr,
 	                     WFC_UTIL_CFG_LENGHT_MAC);

 	return;
 }

 static int wfc_util_qcom_write_mac_process(unsigned char *nv_mac_addr, char *mac_add_buff)
 {
 	char nv_mac_add_buff[WFC_UTIL_CFG_LENGHT_MAC_STRING+1];
 	int  is_default_nv_mac = 0;
 	int  is_same_mac = -1;

 	if (NULL == nv_mac_addr) {
 		return 0;
 	}

 	wfc_util_htoa(nv_mac_addr, WFC_UTIL_CFG_LENGHT_MAC,
 	              nv_mac_add_buff, WFC_UTIL_CFG_LENGHT_MAC_STRING+1);

 	is_default_nv_mac = wfc_util_qcom_is_default_mac(nv_mac_add_buff);

 	is_same_mac = strncmp(mac_add_buff, nv_mac_add_buff, WFC_UTIL_CFG_LENGHT_MAC_STRING);

 	/*
 	 * 1. nv mac address is not a default mac address
 	 * 2. same with mac address of config file
 	 */
 	if (((!is_default_nv_mac) && (0==is_same_mac)) ||
 	/*
 	 * 1. nv mac address is RFT mac address
 	 * 2. same with mac address of config file
 	 */
 	    ((2==is_default_nv_mac) && (0==is_same_mac))
 	   ) {
 		return 1;
 	}
 	/*
 	 * 1. nv mac address not a default mac address excepting RFT mac address
 	 * 2. does not same with mac address of config file
 	 */
 	else if ((1!=is_default_nv_mac) && (0!=is_same_mac)) {
 		wfc_util_log_error("Change %s%s", WFC_UTIL_CFG_TAG_MAC_ADDRESS, nv_mac_add_buff);
 		/*
 		 * Update MAC address
 		 */
 		wfc_util_qcom_write_mac(nv_mac_add_buff);

 #ifdef WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN
 		/*
 		 * Write RFT MAC address to nv.bin
 		 */
 		if (2==is_default_nv_mac) {
 			wfc_util_qcom_write_mac_to_bin(nv_mac_addr);
 		/*
 		 * reset mac address of nv.bin if nv_mac_addr is not RFT mac address
 		 */
 		} else {
 			wfc_util_qcom_reset_mac_to_bin();
 		}
 #else  /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */
 		/*
 		 * Write MAC address to nv.bin
 		 */
 		wfc_util_qcom_write_mac_to_bin(nv_mac_addr);
 #endif /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */

 		return 1;
 	}

 	return 0;
 }

 static void wfc_util_qcom_create_random_mac(void)
 {
 	unsigned char random_mac_addr[WFC_UTIL_CFG_LENGHT_MAC];
 	char mac_add_buff[WFC_UTIL_CFG_LENGHT_MAC_STRING+1];

 	wfc_util_log_info("wfc_util_qcom_create_random_mac");

 	wfc_util_random_mac(random_mac_addr);

 	wfc_util_htoa(random_mac_addr, WFC_UTIL_CFG_LENGHT_MAC, mac_add_buff, WFC_UTIL_CFG_LENGHT_MAC_STRING+1);

 	wfc_util_qcom_write_mac(mac_add_buff);

 #ifdef WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN
 	wfc_util_qcom_reset_mac_to_bin();
 #else  /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */
 	wfc_util_qcom_write_mac_to_bin(random_mac_addr);
 #endif /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */

 	return;
 }

 /*
  * wfc_util_qcom_check_config
  *
  * check the qcom wlan driver config file
  *
  * return : it will return 0 if procedure is success
  *          or will return -1 if not.
  */
 int wfc_util_qcom_check_config(unsigned char *nv_mac_addr)
 {
 	char mac_add_buff[WFC_UTIL_CFG_LENGHT_MAC_STRING+1];

 	/* make sure driver config file exists */
 	if(0 > wfc_util_ffile_check_copy(WFC_UTIL_CFG_FILE_NAME,
 	                             WFC_UTIL_CFG_TEMPFILE_NAME,
 	                             0660,
 	                             AID_SYSTEM,
 	                             /* we use "radio" for gid to access from "rild" for AT cmd. */
 	                             AID_WIFI/*AID_WIFI*/)) {
 		wfc_util_log_error("Fail to Access [%s]", WFC_UTIL_CFG_FILE_NAME);
 		return -1;
 	}

 #ifdef WFC_UTIL_FEAUTRE_COPY_NV_BIN
 	if(0 > wfc_util_ffile_check_copy(WFC_UTIL_NV_BIN_FILE_NAME,
 	                             WFC_UTIL_NV_BIN_TEMPFILE_NAME,
 	                             0660,
 	                             AID_SYSTEM,
 	                             /* we use "radio" for gid to access from "rild" for AT cmd. */
 	                             AID_WIFI/*AID_WIFI*/)) {
 		wfc_util_log_error("Fail to Access [%s]", WFC_UTIL_NV_BIN_FILE_NAME);
 		return -1;
 	}
 #endif /* WFC_UTIL_FEAUTRE_COPY_NV_BIN */

 	/*
 	 * Read MAC address from config file
 	 */
 	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
 	                        WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                        WFC_UTIL_CFG_TAG_MAC_ADDRESS,
 	                        WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                        mac_add_buff,
 	                        WFC_UTIL_CFG_LENGHT_MAC_STRING+1)) {
 		wfc_util_log_info("%s%s", WFC_UTIL_CFG_TAG_MAC_ADDRESS, mac_add_buff);

 		/*
 		 * Write nv mac address
 		 */
 		if (1 != wfc_util_qcom_write_mac_process(nv_mac_addr, mac_add_buff)) {
 			/*
 			 * Check whether this is default mac address or not
 			 */
 			if (wfc_util_qcom_is_default_mac(mac_add_buff)) {
 				/*
 				 * Create random MAC address
 				 */
 				wfc_util_qcom_create_random_mac();
 			}
 		}
 	} else {
 		wfc_util_log_error("%s does not have mac address", WFC_UTIL_CFG_FILE_NAME);

 		memset( mac_add_buff, 0, WFC_UTIL_CFG_LENGHT_MAC_STRING+1 );

 		/*
 		 * Write nv mac address
 		 */
 		if (1 != wfc_util_qcom_write_mac_process(nv_mac_addr, mac_add_buff)) {
 			/*
 			 * Create random MAC address
 			 */
 			wfc_util_qcom_create_random_mac();
 		}
 	}

 	return 0;
 }

 /*
  * wfc_util_qcom_reset_mac
  *
  * reset the mac address of config file
  *
  * return : void
  */
 void wfc_util_qcom_reset_mac(void)
 {
 	wfc_util_qcom_write_mac("000000000000");

 	wfc_util_qcom_reset_mac_to_bin();

 	return;
 }

 /*
  * wfc_util_qcom_ota_enable
  *
  * enable ota mode by reconfiguring BMPS and L2Roaming
  *
  * return : int (boolean)
  */
 int wfc_util_qcom_ota_enable(void)
 {
 	wfc_util_qcom_write_ota_enable();
 	return 1;
 }

 /*
  * wfc_util_qcom_ota_disable
  *
  * disable ota mode by reconfiguring BMPS and L2Roaming
  *
  * return : int (boolean)
  */
 int wfc_util_qcom_ota_disable(void)
 {
 	wfc_util_qcom_write_ota_disable();
 	return 1;
 }

 /*
  * wfc_util_qcom_checkt_roaming_off
  *
  * Check L2Roaming configuration
  *
  * return : int (boolean)
  */
 int wfc_util_qcom_checkt_roaming_off(void)
 {
 	char string_buff[5];
 	/*
 	 * check whether OTA test is enabled or not.
 	 */
 	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
 	                            WFC_UTIL_CFG_TAG_END_OF_CFG,
 	                            //WFC_UTIL_CFG_TAG_L2Roaming,
 	                            WFC_UTIL_CFG_TAG_POWER_SAVE,
 	                            WFC_UTIL_CFG_TAG_END_OF_LINE,
 	                            string_buff,
 	                            5)) {
 		//wfc_util_log_info("%s%s", WFC_UTIL_CFG_TAG_L2Roaming, string_buff);
 		wfc_util_log_info("%s%s", WFC_UTIL_CFG_TAG_POWER_SAVE, string_buff);
 		if(0 == strncmp(string_buff, "0", 1)) {
 			return 1;
 		}
 	}
 	return 0;
 }

 #endif /* CONFIG_LGE_WLAN_QCOM_PATCH */
	/*
	* Copyright 2012 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#ifdef CONFIG_LGE_WLAN_QCOM_PATCH

	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>

	#include "wfc_util_log.h"
	#include "wfc_util_fctrl.h"
	#include "wfc_util_common.h"

	#include "private/android_filesystem_config.h"

	#define WFC_UTIL_FEAUTRE_COPY_NV_BIN

	#ifdef WLAN_CHIP_VERSION_WCNSS
	#ifndef WFC_UTIL_CFG_FILE_NAME
	#define WFC_UTIL_CFG_FILE_NAME "/data/misc/wifi/WCNSS_qcom_cfg.ini"
	#endif
	#ifndef WFC_UTIL_CFG_TEMPFILE_NAME
	#define WFC_UTIL_CFG_TEMPFILE_NAME "/system/etc/wifi/WCNSS_qcom_cfg.ini"
	#endif
	#else /* WLAN_CHIP_VERSION_WCN1314 */
	#ifndef WFC_UTIL_CFG_FILE_NAME
	#define WFC_UTIL_CFG_FILE_NAME "/data/misc/wifi/WCN1314_qcom_cfg.ini"
	#endif
	#ifndef WFC_UTIL_CFG_TEMPFILE_NAME
	#define WFC_UTIL_CFG_TEMPFILE_NAME "/system/etc/wifi/WCN1314_qcom_cfg.ini"
	#endif
	#endif /* WLAN_CHIP_VERSION_XXXX */

	#ifdef WFC_UTIL_FEAUTRE_COPY_NV_BIN
	#ifdef WLAN_CHIP_VERSION_WCNSS
	#ifndef WFC_UTIL_NV_BIN_TEMPFILE_NAME
	#define WFC_UTIL_NV_BIN_TEMPFILE_NAME "/system/etc/wifi/WCNSS_qcom_wlan_nv.bin"
	#endif
	#ifndef WFC_UTIL_NV_BIN_FILE_NAME
	#define WFC_UTIL_NV_BIN_FILE_NAME "/data/misc/wifi/WCNSS_qcom_wlan_nv.bin"
	#endif
	#else /* WLAN_CHIP_VERSION_WCN1314 */
	#ifndef WFC_UTIL_NV_BIN_TEMPFILE_NAME
	#define WFC_UTIL_NV_BIN_TEMPFILE_NAME "/persist/WCN1314_qcom_wlan_nv.bin"
	#endif
	#ifndef WFC_UTIL_NV_BIN_FILE_NAME
	#define WFC_UTIL_NV_BIN_FILE_NAME "/data/misc/wifi/WCN1314_qcom_wlan_nv.bin"
	#endif
	#endif /* WLAN_CHIP_VERSION_XXXX */
	#else /* WFC_UTIL_FEAUTRE_COPY_NV_BIN */
	#ifndef WFC_UTIL_NV_BIN_FILE_NAME
	#ifdef WLAN_CHIP_VERSION_WCNSS
	#define WFC_UTIL_NV_BIN_FILE_NAME "/persist/WCNSS_qcom_wlan_nv.bin"
	#else /* WLAN_CHIP_VERSION_WCN1314 */
	#define WFC_UTIL_NV_BIN_FILE_NAME "/persist/WCN1314_qcom_wlan_nv.bin"
	#endif /* WLAN_CHIP_VERSION_XXXX */
	#endif
	#endif /* WFC_UTIL_FEAUTRE_COPY_NV_BIN */

	#define WFC_UTIL_CFG_TAG_END_OF_CFG "END"
	/*
	* Station Mode MAC Address
	*/
	#ifdef WLAN_CHIP_VERSION_WCNSS
	#define WFC_UTIL_CFG_TAG_MAC_ADDRESS "Intf0MacAddress="
	#else /* WLAN_CHIP_VERSION_WCN1314 */
	#define WFC_UTIL_CFG_TAG_MAC_ADDRESS "NetworkAddress="
	#endif /* WLAN_CHIP_VERSION_XXXX */
	/*
	* AP Mode MAC Address
	*/
	#define WFC_UTIL_CFG_TAG_AP_MAC_ADDRESS "gAPMacAddr="

	/*
	* Idle Mode Power Save enable/disable for OTA test
	*/
	#define WFC_UTIL_CFG_TAG_IDLE_MODE_POWER_SAVE "gEnableImps="

	/*
	* Beacon Mode Power Save enable/disable for OTA test
	*/
	#define WFC_UTIL_CFG_TAG_POWER_SAVE "gEnableBmps="

	/*
	* L2 roaming on/off for OTA test
	*/
	#define WFC_UTIL_CFG_TAG_L2Roaming "gEnableHandoff="

	/*
	* Heartbeat24 changing for OtA test
	*/
	#define WFC_UTIL_CFG_TAG_HEARTBEAT24 "gHeartbeat24="

	/*
	* TAG for end of line
	*/
	#define WFC_UTIL_CFG_TAG_END_OF_LINE "\n"

	#define WFC_UTIL_CFG_LENGHT_MAC (6)
	#define WFC_UTIL_CFG_LENGHT_MAC_STRING (WFC_UTIL_CFG_LENGHT_MAC*2)

	/*
	* persist/WCNSS_qcom_wlan_nv.bin
	*
	* NV validity bitmap (4 bytes)
	* {
	* Bit 0 - Regulatory domain tables
	* Bit 1 - Fields(including product ID, product bands, number of Tx/Rx chains, MAC address, manufacturing board number)
	* Bit 2 - Optimal power per rate table
	* Bit 3 - Default regulatory domain and country code
	* Bit 4:31 - Reserved; always 0
	* }
	*
	* typedef PACKED_PRE struct PACKED_POST
	* {
	* //always ensure fields are aligned to 32-bit boundaries
	* tANI_U16 productId;
	* tANI_U8 productBands; //0: 0.4 GHz, 1: 2.4+5.0 GHz, 2: 5.0 GHz
	* tANI_U8 wlanNvRevId; //0: WCN1312, 1: WCN1314, 2: PRIMA
	*
	* tANI_U8 numOfTxChains;
	* tANI_U8 numOfRxChains;
	* tANI_U8 macAddr[NV_FIELD_MAC_ADDR_SIZE];
	* tANI_U8 mfgSN[NV_FIELD_MFG_SN_SIZE];
	* } sNvFields;
	*/
	#define WFC_UTIL_NV_BIN_HEADER_LENGTH (4)
	#define WFC_UTIL_NV_BIN_POS_PRODUCT_ID (WFC_UTIL_NV_BIN_HEADER_LENGTH + 0)
	#define WFC_UTIL_NV_BIN_POS_MAC_ADDR (WFC_UTIL_NV_BIN_HEADER_LENGTH + 6)

	#ifdef WLAN_CHIP_VERSION_WCNSS
	/* refer to prima/CORE/WDA/src/wlan_nv.c */
	static unsigned char nvFilelds_default[6] = {0, 0, /* productId */
	1, /* productBands */
	2, /* wlanNvRevId */
	1, /* numOfTxChains */
	2}; /* numOfRxChains */
	#else /* WLAN_CHIP_VERSION_WCN1314 */
	static unsigned char nvFilelds_default[6] = {1, 0, /* productId */
	1, /* productBands */
	1, /* wlanNvRevId */
	1, /* numOfTxChains */
	1}; /* numOfRxChains */
	#endif /* WLAN_CHIP_VERSION_XXXX */

	/*
	* wfc_util_qcom_is_default_mac
	*
	*
	*
	* return : it will return 1 if mac_add is default mac address,
	* 2 if mac_add is RFT mac address
	* or 0 if not.
	*/
	static int wfc_util_qcom_is_default_mac(char *mac_add)
	{
	#define WFC_UTIL_CFG_DEFAULT_MAC_RFT "00900CBACD88"
	#define WFC_UTIL_CFG_DEFAULT_MAC_00 "000000000000"
	#define WFC_UTIL_CFG_DEFAULT_MAC_FF "FFFFFFFFFFFF"
	#define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I0 "000AF58989FF"
	#define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I1 "000AF58989FE"
	#define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I2 "000AF58989FD"
	#define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I3 "000AF58989FC"
	#define WFC_UTIL_CFG_DEFAULT_MAC_QCOM_AP "000AF58989EF"

	int i, sZarray=0;
	/*
	* default mac address array
	*/
	char mac_add_buff[][WFC_UTIL_CFG_LENGHT_MAC_STRING+1] = {
	{WFC_UTIL_CFG_DEFAULT_MAC_00},
	{WFC_UTIL_CFG_DEFAULT_MAC_FF},
	{WFC_UTIL_CFG_DEFAULT_MAC_QCOM_I0}
	};

	sZarray = sizeof(mac_add_buff) / sizeof(mac_add_buff[0]);

	for(i=0; i<sZarray ;i++) {
	if(0 == strncmp(mac_add, mac_add_buff[i], WFC_UTIL_CFG_LENGHT_MAC_STRING)) {
	wfc_util_log_error("This is default MAC address [%s]", mac_add_buff[i]);
	return 1;
	}
	}

	/*
	if(1 == wfc_util_is_random_mac(mac_add)) {
	wfc_util_log_error("This is Random MAC address");
	return 1;
	}
	*/

	if(0 == strncmp(mac_add, WFC_UTIL_CFG_DEFAULT_MAC_RFT, WFC_UTIL_CFG_LENGHT_MAC_STRING)) {
	wfc_util_log_error("This is RFT MAC address [%s]", WFC_UTIL_CFG_DEFAULT_MAC_RFT);
	return 2;
	}

	return 0;
	}

	static void wfc_util_qcom_write_mac(char *mac_add)
	{
	/*
	* Station Mode MAC Address
	*/
	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_MAC_ADDRESS,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	mac_add);

	/*
	* AP Mode MAC Address
	*/
	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_AP_MAC_ADDRESS,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	mac_add);

	return;
	}

	/*
	* When OTA is enabled, power save mode and L2 roaming trigger should be off
	*/
	static void wfc_util_qcom_write_ota_enable(void)
	{
	/*
	* write Beacon Mode Power Save off and L2 Roaming off
	*/
	char *PowerSaveOff = "0";
	//char *L2RoamingOff = "0";
	char *Heartbeat24 = "120";

	char string_buff[5];

	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_IDLE_MODE_POWER_SAVE,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	PowerSaveOff);

	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_POWER_SAVE,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	PowerSaveOff);

	/* We don't need to change this becasue the default value of WFC_UTIL_CFG_TAG_L2Roaming is 0.
	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_L2Roaming,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	L2RoamingOff);
	*/

	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_HEARTBEAT24,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	string_buff,
	5)) {
	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_HEARTBEAT24,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	Heartbeat24);
	} else {
	wfc_util_log_error("%s is not exist", WFC_UTIL_CFG_TAG_HEARTBEAT24);
	}

	return;
	}

	/*
	* When OTA is enabled, power save mode and L2 roaming trigger should be off
	*/
	static void wfc_util_qcom_write_ota_disable(void)
	{
	/*
	* write Beacon Mode Power Save on and L2 Roaming on
	*/
	char *PowerSaveOff = "1";
	//char *L2RoamingOff = "1";
	char *Heartbeat24 = "40";

	char string_buff[5];

	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_IDLE_MODE_POWER_SAVE,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	PowerSaveOff);

	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_POWER_SAVE,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	PowerSaveOff);

	/* We don't need to change this becasue the default value of WFC_UTIL_CFG_TAG_L2Roaming is 0.
	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_L2Roaming,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	L2RoamingOff);
	*/

	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_HEARTBEAT24,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	string_buff,
	5)) {
	wfc_util_fset_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_HEARTBEAT24,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	Heartbeat24);
	} else {
	wfc_util_log_error("%s is not exist", WFC_UTIL_CFG_TAG_HEARTBEAT24);
	}

	return;
	}

	static void wfc_util_qcom_write_mac_to_bin(unsigned char *mac_add)
	{
	unsigned char nvValidityBitmap[WFC_UTIL_NV_BIN_HEADER_LENGTH];

	if(0 != wfc_util_ffile_check(WFC_UTIL_NV_BIN_FILE_NAME,
	F_OK\|R_OK\|W_OK)) {
	wfc_util_log_error("We don't access file [%s]", WFC_UTIL_NV_BIN_FILE_NAME);
	return;
	}

	memset(nvValidityBitmap, 0, WFC_UTIL_NV_BIN_HEADER_LENGTH);

	/*
	* Write RFT MAC Address
	*/
	wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
	WFC_UTIL_NV_BIN_POS_MAC_ADDR,
	mac_add,
	WFC_UTIL_CFG_LENGHT_MAC);

	/*
	* Read NV validity bitmap
	*/
	if (0 < wfc_util_fget_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
	0,
	WFC_UTIL_NV_BIN_HEADER_LENGTH,
	nvValidityBitmap,
	WFC_UTIL_NV_BIN_HEADER_LENGTH)){
	/*
	* Check whether Fields bit(Bit 1) is set
	*/
	if (0x02 & nvValidityBitmap[0]) {
	wfc_util_log_info("We don't need to write the default value for NvFilelds");
	} else {
	/*
	* Update the Fields bit(Bit 1)
	*/
	nvValidityBitmap[0] \|= 0x02;
	wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
	0,
	nvValidityBitmap,
	WFC_UTIL_NV_BIN_HEADER_LENGTH);

	/*
	* Write the default value for NvFilelds
	*/
	wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
	WFC_UTIL_NV_BIN_POS_PRODUCT_ID,
	nvFilelds_default,
	6);
	}
	} else {
	wfc_util_log_error("Read Fail nvValidityBitmap");
	}

	return;
	}

	/*
	* wfc_util_qcom_reset_mac_to_bin
	*
	* reset the mac address of nv bin file
	*
	* return : void
	*/
	static void wfc_util_qcom_reset_mac_to_bin(void)
	{
	unsigned char mac_addr[WFC_UTIL_CFG_LENGHT_MAC];

	if(0 != wfc_util_ffile_check(WFC_UTIL_NV_BIN_FILE_NAME,
	F_OK\|R_OK\|W_OK)) {
	wfc_util_log_error("We don't access file [%s]", WFC_UTIL_NV_BIN_FILE_NAME);
	return;
	}

	if(0 < wfc_util_fget_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
	WFC_UTIL_NV_BIN_POS_MAC_ADDR,
	WFC_UTIL_CFG_LENGHT_MAC,
	mac_addr,
	WFC_UTIL_CFG_LENGHT_MAC)) {
	if(0x00 == mac_addr[0] && 0x00 == mac_addr[1] && 0x00 == mac_addr[2] &&
	0x00 == mac_addr[3] && 0x00 == mac_addr[4] && 0x00 == mac_addr[5])
	{
	return;
	}
	}

	memset(mac_addr, 0, WFC_UTIL_CFG_LENGHT_MAC);

	wfc_util_fset_buffer(WFC_UTIL_NV_BIN_FILE_NAME,
	WFC_UTIL_NV_BIN_POS_MAC_ADDR,
	mac_addr,
	WFC_UTIL_CFG_LENGHT_MAC);

	return;
	}

	static int wfc_util_qcom_write_mac_process(unsigned char nv_mac_addr, char mac_add_buff)
	{
	char nv_mac_add_buff[WFC_UTIL_CFG_LENGHT_MAC_STRING+1];
	int is_default_nv_mac = 0;
	int is_same_mac = -1;

	if (NULL == nv_mac_addr) {
	return 0;
	}

	wfc_util_htoa(nv_mac_addr, WFC_UTIL_CFG_LENGHT_MAC,
	nv_mac_add_buff, WFC_UTIL_CFG_LENGHT_MAC_STRING+1);

	is_default_nv_mac = wfc_util_qcom_is_default_mac(nv_mac_add_buff);

	is_same_mac = strncmp(mac_add_buff, nv_mac_add_buff, WFC_UTIL_CFG_LENGHT_MAC_STRING);

	/*
	* 1. nv mac address is not a default mac address
	* 2. same with mac address of config file
	*/
	if (((!is_default_nv_mac) && (0==is_same_mac)) \|\|
	/*
	* 1. nv mac address is RFT mac address
	* 2. same with mac address of config file
	*/
	((2==is_default_nv_mac) && (0==is_same_mac))
	) {
	return 1;
	}
	/*
	* 1. nv mac address not a default mac address excepting RFT mac address
	* 2. does not same with mac address of config file
	*/
	else if ((1!=is_default_nv_mac) && (0!=is_same_mac)) {
	wfc_util_log_error("Change %s%s", WFC_UTIL_CFG_TAG_MAC_ADDRESS, nv_mac_add_buff);
	/*
	* Update MAC address
	*/
	wfc_util_qcom_write_mac(nv_mac_add_buff);

	#ifdef WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN
	/*
	* Write RFT MAC address to nv.bin
	*/
	if (2==is_default_nv_mac) {
	wfc_util_qcom_write_mac_to_bin(nv_mac_addr);
	/*
	* reset mac address of nv.bin if nv_mac_addr is not RFT mac address
	*/
	} else {
	wfc_util_qcom_reset_mac_to_bin();
	}
	#else /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */
	/*
	* Write MAC address to nv.bin
	*/
	wfc_util_qcom_write_mac_to_bin(nv_mac_addr);
	#endif /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */

	return 1;
	}

	return 0;
	}

	static void wfc_util_qcom_create_random_mac(void)
	{
	unsigned char random_mac_addr[WFC_UTIL_CFG_LENGHT_MAC];
	char mac_add_buff[WFC_UTIL_CFG_LENGHT_MAC_STRING+1];

	wfc_util_log_info("wfc_util_qcom_create_random_mac");

	wfc_util_random_mac(random_mac_addr);

	wfc_util_htoa(random_mac_addr, WFC_UTIL_CFG_LENGHT_MAC, mac_add_buff, WFC_UTIL_CFG_LENGHT_MAC_STRING+1);

	wfc_util_qcom_write_mac(mac_add_buff);

	#ifdef WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN
	wfc_util_qcom_reset_mac_to_bin();
	#else /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */
	wfc_util_qcom_write_mac_to_bin(random_mac_addr);
	#endif /* WFC_UTIL_FEATURE_DO_NOT_WRITE_MAC_TO_BIN */

	return;
	}

	/*
	* wfc_util_qcom_check_config
	*
	* check the qcom wlan driver config file
	*
	* return : it will return 0 if procedure is success
	* or will return -1 if not.
	*/
	int wfc_util_qcom_check_config(unsigned char *nv_mac_addr)
	{
	char mac_add_buff[WFC_UTIL_CFG_LENGHT_MAC_STRING+1];

	/* make sure driver config file exists */
	if(0 > wfc_util_ffile_check_copy(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TEMPFILE_NAME,
	0660,
	AID_SYSTEM,
	/* we use "radio" for gid to access from "rild" for AT cmd. */
	AID_WIFI/AID_WIFI/)) {
	wfc_util_log_error("Fail to Access [%s]", WFC_UTIL_CFG_FILE_NAME);
	return -1;
	}

	#ifdef WFC_UTIL_FEAUTRE_COPY_NV_BIN
	if(0 > wfc_util_ffile_check_copy(WFC_UTIL_NV_BIN_FILE_NAME,
	WFC_UTIL_NV_BIN_TEMPFILE_NAME,
	0660,
	AID_SYSTEM,
	/* we use "radio" for gid to access from "rild" for AT cmd. */
	AID_WIFI/AID_WIFI/)) {
	wfc_util_log_error("Fail to Access [%s]", WFC_UTIL_NV_BIN_FILE_NAME);
	return -1;
	}
	#endif /* WFC_UTIL_FEAUTRE_COPY_NV_BIN */

	/*
	* Read MAC address from config file
	*/
	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	WFC_UTIL_CFG_TAG_MAC_ADDRESS,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	mac_add_buff,
	WFC_UTIL_CFG_LENGHT_MAC_STRING+1)) {
	wfc_util_log_info("%s%s", WFC_UTIL_CFG_TAG_MAC_ADDRESS, mac_add_buff);

	/*
	* Write nv mac address
	*/
	if (1 != wfc_util_qcom_write_mac_process(nv_mac_addr, mac_add_buff)) {
	/*
	* Check whether this is default mac address or not
	*/
	if (wfc_util_qcom_is_default_mac(mac_add_buff)) {
	/*
	* Create random MAC address
	*/
	wfc_util_qcom_create_random_mac();
	}
	}
	} else {
	wfc_util_log_error("%s does not have mac address", WFC_UTIL_CFG_FILE_NAME);

	memset( mac_add_buff, 0, WFC_UTIL_CFG_LENGHT_MAC_STRING+1 );

	/*
	* Write nv mac address
	*/
	if (1 != wfc_util_qcom_write_mac_process(nv_mac_addr, mac_add_buff)) {
	/*
	* Create random MAC address
	*/
	wfc_util_qcom_create_random_mac();
	}
	}

	return 0;
	}

	/*
	* wfc_util_qcom_reset_mac
	*
	* reset the mac address of config file
	*
	* return : void
	*/
	void wfc_util_qcom_reset_mac(void)
	{
	wfc_util_qcom_write_mac("000000000000");

	wfc_util_qcom_reset_mac_to_bin();

	return;
	}

	/*
	* wfc_util_qcom_ota_enable
	*
	* enable ota mode by reconfiguring BMPS and L2Roaming
	*
	* return : int (boolean)
	*/
	int wfc_util_qcom_ota_enable(void)
	{
	wfc_util_qcom_write_ota_enable();
	return 1;
	}

	/*
	* wfc_util_qcom_ota_disable
	*
	* disable ota mode by reconfiguring BMPS and L2Roaming
	*
	* return : int (boolean)
	*/
	int wfc_util_qcom_ota_disable(void)
	{
	wfc_util_qcom_write_ota_disable();
	return 1;
	}

	/*
	* wfc_util_qcom_checkt_roaming_off
	*
	* Check L2Roaming configuration
	*
	* return : int (boolean)
	*/
	int wfc_util_qcom_checkt_roaming_off(void)
	{
	char string_buff[5];
	/*
	* check whether OTA test is enabled or not.
	*/
	if(0 < wfc_util_fget_string(WFC_UTIL_CFG_FILE_NAME,
	WFC_UTIL_CFG_TAG_END_OF_CFG,
	//WFC_UTIL_CFG_TAG_L2Roaming,
	WFC_UTIL_CFG_TAG_POWER_SAVE,
	WFC_UTIL_CFG_TAG_END_OF_LINE,
	string_buff,
	5)) {
	//wfc_util_log_info("%s%s", WFC_UTIL_CFG_TAG_L2Roaming, string_buff);
	wfc_util_log_info("%s%s", WFC_UTIL_CFG_TAG_POWER_SAVE, string_buff);
	if(0 == strncmp(string_buff, "0", 1)) {
	return 1;
	}
	}
	return 0;
	}

	#endif /* CONFIG_LGE_WLAN_QCOM_PATCH */