diff --git a/component/common/application/jd_joinlink/example_joinlink.c b/component/common/application/jd_joinlink/example_joinlink.c
deleted file mode 100644
index 3e837b5..0000000
--- a/component/common/application/jd_joinlink/example_joinlink.c
+++ /dev/null
@@ -1,675 +0,0 @@
-/*******************************example_joinlink **************************/
-
-#include "autoconf.h"
-#include "platform_stdlib.h"
-#include "wifi_conf.h"
-#include "wifi_structures.h"
-#include "osdep_service.h"
-#include "lwip_netconf.h"
-#include "task.h"
-#include "joinlink.h"
-#include "cJSON.h"
-
-#include <lwip/sockets.h>
-#include <lwip/raw.h>
-#include <lwip/icmp.h>
-#include <lwip/inet_chksum.h>
-#include <platform/platform_stdlib.h>
-
-#define MASK_SIZE_JOINLINK  3
-#define SOURCE_PORT         101
-
-//gloable 
-static unsigned char cur_channel = 1;                                    
-static unsigned char lock_channel = 1;
-static _timer timer_handler_phase2;
-static _timer timer_handler_phase1;
-static u8 joinlink_finished = 0;
-static u8 security_type = 0xff;
-static u8 jl_rx_flag = 0;
-static rtw_scan_result_t *all_channel_scan_result = NULL;
-static rtw_scan_result_t *p_result = NULL;
-static int all_channel_ret = 0;
-static int phase1_finished = 0;
-static int phase2_started = 0;
-static u32 start_time = 0;
-static u32 current_time = 0;
-static int idx = 1;
-static int phase1_scanned_channel[14];
-static char ap_bssid[6];
-static char aes_key[] = "123456789";
-
-static void* pre_scan_sema;
-static int ack_socket;
-static struct sockaddr_in to_addr;
-static struct sockaddr_in from_addr;
-static char header_cmd[] = "cmd";
-static cJSON *ack_content = NULL;
-extern struct netif xnetif[];
-
-void example_joinlink(void);
-
-static rtw_result_t joinlink_scan_result_handler(rtw_scan_handler_result_t* malloced_scan_result )
-{
-
-	static int ApNum = 0;
-  //TODO: add timer of 2s, wf, 1021
-	if (malloced_scan_result->scan_complete != RTW_TRUE) {
-		rtw_scan_result_t* record = &malloced_scan_result->ap_details;
-		record->SSID.val[record->SSID.len] = 0; /* Ensure the SSID is null terminated */
-		++ApNum;
-		
-		if(malloced_scan_result->user_data)
-			memcpy((void *)((char *)malloced_scan_result->user_data+(ApNum-1)*sizeof(rtw_scan_result_t)), (char *)record, sizeof(rtw_scan_result_t));
-	}
-	// scan finished, wf, 1022 
-	else
-	{
-		rtw_up_sema(&pre_scan_sema);
-		ApNum = 0;
-	}
-	return RTW_SUCCESS;
-}
-
-void* joinlink_all_scan()
-{      
-	int ret = 0;
-	rtw_scan_result_t *joinlink_scan_buf = NULL; 
-	
-	if(joinlink_scan_buf != NULL)
-		free(joinlink_scan_buf);
-		
-	joinlink_scan_buf = (rtw_scan_result_t *)malloc(65*sizeof(rtw_scan_result_t));
-	if(joinlink_scan_buf == NULL){
-		return 0;
-	}
-  memset(joinlink_scan_buf, 0, 65*sizeof(rtw_scan_result_t));
-  
-	if((ret = wifi_scan_networks(joinlink_scan_result_handler, joinlink_scan_buf)) != RTW_SUCCESS){
-		printf("[ATWS]ERROR: wifi scan failed\n\r");
-		free(joinlink_scan_buf);
-		return 0;
-	}	
-	return joinlink_scan_buf;
-}
-
-void joinlink_deinit_content()
-{
-	rtw_del_timer(&timer_handler_phase2);
-	rtw_del_timer(&timer_handler_phase1);
-	if(all_channel_scan_result)
-	{
-		free(all_channel_scan_result);
-		all_channel_scan_result = NULL;
-	}
-	rtw_free_sema(&pre_scan_sema);
-	joinlink_deinit();
-	
-	return;
-}
-static char *jl_itoa(int value)
-{
-	char *val_str;
-	int tmp = value, len = 1;
-
-	while((tmp /= 10) > 0)
-		len ++;
-
-	val_str = (char *) malloc(len + 1);
-	sprintf(val_str, "%d", value);
-
-	return val_str;
-}
-
-static void get_ip_str(int *ip_int, char *ip_ch)
-{ 
-	char *ip_single = NULL;
-	u8 pos = 0, len = 0;
-	
-	for(int i = 0; i < 4; i++)
-	{
-		ip_single = jl_itoa(ip_int[i]);
-		len = strlen(ip_single);
-		memcpy(ip_ch + pos, ip_single,len);
-		free(ip_single);
-		ip_single = NULL;
-		pos += len;
-		if(i == 3) 
-		{
-			*(ip_ch + pos) = 0;
-			break;	
-		}
-		*(ip_ch + pos) = '.';
-		pos++;
-	} 
-}
-
-static int joinlink_set_ack_content(u8 check_sum)
-{
-	cJSON_Hooks memoryHook;
-	memoryHook.malloc_fn = malloc;
-	memoryHook.free_fn = free;
-	cJSON_InitHooks(&memoryHook);
-	
-	if(ack_content != NULL)
-	{
-		cJSON_Delete(ack_content);
-		ack_content = NULL;
-	}
-	if((ack_content = cJSON_CreateObject()) != NULL)
-	{
-		char mac_str[18];
-		u8 pos = 0;
-		memset(mac_str, 0, sizeof(mac_str));
-		for(int i = 0; i < 6; i++)
-		{
-			sprintf(mac_str + pos, "%02x", xnetif[0].hwaddr[i]);
-			pos += 2;
-			if(i != 5)
-				mac_str[pos++] = ':';
-		}
-		
-		cJSON_AddItemToObject(ack_content, "deviceid", cJSON_CreateString(mac_str));
-		cJSON_AddItemToObject(ack_content, "code", cJSON_CreateNumber(check_sum));
-	}
-	else
-	{
-		printf("create jSON object failure\n");
-		return -1;
-	}
-		
-  return 0;
-}
-
-#if 1
-
-static void recv_cmd(void *para)
-{
-	int rev_len = 0;
-	char pkt_buf[16];
-	while(1)
-	{
-		vTaskDelay(500);
-		if((rev_len = recvfrom(ack_socket, pkt_buf, sizeof(pkt_buf), 0, NULL, NULL)) >= 0)
-		{
-			if(memcmp(pkt_buf, header_cmd, sizeof(header_cmd)) == 0)
-			{
-				printf("received reboot command, restart join_link process\n");
-				// do we need to reboot?
-				example_joinlink();
-				close(ack_socket);
-				break;
-			}
-		}		
-	}
-	vTaskDelete(NULL);
-	return;
-}
-
-static int send_ack(int *dest_ip, int dest_port, u8 sum)
-{
-#if CONFIG_LWIP_LAYER
-	int ack_transmit_round;
-	char ip[16];
-	char *jsonString = NULL;
-	int sended_data = 0;
-
-	if(joinlink_set_ack_content(sum) == -1)
-		return -1;
-		
-	jsonString = cJSON_Print(ack_content);
-	if(jsonString == NULL)
-	{
-		printf("json string convert failure\n");
-		cJSON_Delete(ack_content);
-		return -1;
-	}
-	
-	get_ip_str(dest_ip, ip);
-	
-	ack_socket = socket(PF_INET, SOCK_DGRAM, IP_PROTO_UDP);
-	if (ack_socket == -1) {
-		printf("create socket failure\n");
-		return 	-1;
-	}
-	
-	FD_ZERO(&to_addr);
-	to_addr.sin_family = AF_INET;
-	to_addr.sin_port = htons(dest_port);
-	to_addr.sin_addr.s_addr = htonl(INADDR_ANY);
-	
-	FD_ZERO(&from_addr);
-	from_addr.sin_family = AF_INET;
-	from_addr.sin_port = htons(SOURCE_PORT);
-	to_addr.sin_addr.s_addr = inet_addr(ip);
-	
-	if(bind(ack_socket, (struct sockaddr *)&from_addr, sizeof(from_addr)) < 0)
-	{
-		printf("bind to source port error\n");
-		return -1;
-	}
-
-	for (ack_transmit_round = 0; ack_transmit_round < 5; ack_transmit_round++) {
-		sended_data = sendto(ack_socket, (unsigned char *)jsonString, strlen(jsonString), 0, (struct sockaddr *) &to_addr, sizeof(struct sockaddr));
-		//printf("\r\nAlready send %d bytes data\n", sended_data);
-		vTaskDelay(100);	/* delay 100 ms */		
-	}
-	
-	if(xTaskCreate(recv_cmd, (char const *)"recv_cmd", 1512, NULL, tskIDLE_PRIORITY + 2, NULL) != pdPASS)
-		printf("%s xTaskCreate failed\n", __FUNCTION__);
-		
-	close(ack_socket);
-	if(jsonString) 
-	{
-		free(jsonString);
-		jsonString = NULL;
-	}
-	cJSON_Delete(ack_content);
-#endif
-
-	return 0;	
-}
-#endif
-static void remove_filter()
-{
-	wifi_disable_packet_filter(1);
-	wifi_disable_packet_filter(2);
-	wifi_remove_packet_filter(1);
-	wifi_remove_packet_filter(2);
-}
-
-int joinlink_finish(unsigned char security_type)
-{
-	int ret = 0;
-	int retry = 3;
-	unsigned char pscan_config = 1;
-	joinlink_result_t result;
-	rtw_security_t security_mode;
-	
-	wifi_set_promisc(RTW_PROMISC_DISABLE,NULL,0);
-	remove_filter();
-	
-	pscan_config = PSCAN_ENABLE | PSCAN_SIMPLE_CONFIG;
-	ret = joinlink_get_result(&result);
-	if (ret == 0) {
-		printf("get result OK\n");
-		//printf("\r\n joinlink get result ok,ssid = %s, pwd = %s,ssid length = %d,pwd length = %d",
-		//	       result.ssid, result.pwd, result.ssid_length,result.pwd_length);
-	}
-	else{
-		printf("joinlink result not get!\n");
-		joinlink_deinit_content();
-		return -1;
-	}
-	//ap security type
-	switch(security_type){
-	case RTW_ENCRYPTION_OPEN:
-		security_mode = RTW_SECURITY_OPEN;
-		break;
-	case RTW_ENCRYPTION_WEP40:
-	case RTW_ENCRYPTION_WEP104:
-		security_mode = RTW_SECURITY_WEP_PSK;
-		break;
-	case RTW_ENCRYPTION_WPA_TKIP:
-	case RTW_ENCRYPTION_WPA_AES:
-	case RTW_ENCRYPTION_WPA2_TKIP:
-	case RTW_ENCRYPTION_WPA2_AES:
-	case RTW_ENCRYPTION_WPA2_MIXED:
-		security_mode = RTW_SECURITY_WPA2_AES_PSK;
-		break;
-	case RTW_ENCRYPTION_UNKNOWN:
-	case RTW_ENCRYPTION_UNDEF:
-	default:
-		printf("unknow security mode,connect fail!\n");
-	}
-
-#if 1
-	while(1){
-		if(wifi_set_pscan_chan(&lock_channel, &pscan_config, 1) < 0){
-			printf("ERROR: wifi set partial scan channel fail\n");
-			break;
-		}
-		printf("wifi_connect\n");
-		//printf("ap_bssid: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n", ap_bssid[0],ap_bssid[1],ap_bssid[2],ap_bssid[3],ap_bssid[4],ap_bssid[5]);
-
-
-		ret = wifi_connect((unsigned char *)result.ssid, security_mode, 
-				   (unsigned char *)result.pwd, result.ssid_length, 
-				   result.pwd_length, 
-				   0,NULL);			   
-				   
-		if(ret == RTW_SUCCESS){
-			printf("Connect ok!\n");
-#if CONFIG_LWIP_LAYER
-			/* If not rise priority, LwIP DHCP may timeout */
-			vTaskPrioritySet(NULL, tskIDLE_PRIORITY + 3);	
-			/* Start DHCP Client */
-			ret = LwIP_DHCP(0, DHCP_START);
-			vTaskPrioritySet(NULL, tskIDLE_PRIORITY + 1);	
-#endif
-			break;
-		}
-	  if (retry == 0) {
-			break;
-		}
-		
-		retry--;
-	}	
-	if(send_ack(result.source_ip, result.source_port, result.sum) != 0)
-		printf("send ack failure\n");
-#endif	
-	
-	joinlink_deinit_content();
-	return 0;
-	
-}
-// handler for phase2
-void timer_handler_phase2_func(void *FunctionContext)
-{
-	// do not switch channel while handle frames, wf, 1021
-	if(jl_rx_flag){
-		rtw_set_timer(&timer_handler_phase2, CHANNEL_SWITCH_TIME - 25);
-	} else {
-		if(cur_channel >= 13)
-			{cur_channel = 1;}
-		else
-			cur_channel ++;
-		wifi_set_channel(cur_channel);
-		rtw_set_timer(&timer_handler_phase2, CHANNEL_SWITCH_TIME);
-	}
-	
-	//printf("phase2:wifi switch channel to %d\n",cur_channel);
-	return;
-}
-
-// timer handler for the 1st phase, wf, 1022
-void timer_handler_phase1_func(void *FunctionContext)
-{
-	// do not switch channel while handle frames, wf, 1021
-	if(jl_rx_flag){
-		rtw_set_timer(&timer_handler_phase1, SSID_SWITCH_TIME - 25);
-	}
-	// switch ssid, wf, 1022 
-	else 
-	{
-		if(idx >= 14)
-    {
-    	phase1_finished = 1;
-    	printf("wifi: phase1 scan finished\n");
-    	printf("wifi: start phase2 scan\n");
-// move from pkt handler to here in case no pkt to trigue phase2
-#if 1
-		if(phase1_finished)
-		{
-			phase1_finished = 0;
-			phase2_started = 1;
-			rtw_cancel_timer(&timer_handler_phase1);
-			//start phase2 for ch1~ch13
-			cur_channel = 1;	
-			wifi_set_channel(cur_channel);
-			
-		  rtw_init_timer(&timer_handler_phase2, NULL, &timer_handler_phase2_func, NULL, "phase_2");
-		  rtw_set_timer(&timer_handler_phase2, CHANNEL_SWITCH_TIME);					
-		}
-#endif
-    	return;
-    }
-    
-    while(idx < 14)
-    {
-      if(phase1_scanned_channel[idx])
-      {
-      	wifi_set_channel(idx);
-   			rtw_set_timer(&timer_handler_phase1, SSID_SWITCH_TIME);
-      	//printf("phase1: wifi switch channel to %d\n",idx);
-      	idx++;
-      	break;      	
-      }
-      else
-      {
-      	if(idx == 13)
-      		rtw_set_timer(&timer_handler_phase1, SSID_SWITCH_TIME);
-      	idx++;
-      }
-
-    }
-
-	}
-	return;
-}
-
-static void rtl_frame_recv_handle(unsigned char *buf, int len, unsigned char *da, unsigned char *sa, void *user_data) {
-	
-	int ret = 0;
-	int fixed_channel;
-	char scanned_ssid[50] = {0};
-	unsigned char *current_bssid = NULL;
-	int scanned_ssid_len = 0;
-	
-	//set this flag prevent joinlink_recv interruptted by timer,since timer has higher priority
-	jl_rx_flag = 1;
-	if (joinlink_finished) {
-		jl_rx_flag = 0;
-		return;
-	}
-
-	ret = joinlink_recv(da, sa, len, user_data);
-	if(ret == JOINLINK_STATUS_CHANNEL_LOCKED)
-	{
-		if(phase2_started)
-		{
-			phase2_started = 0;
-      rtw_cancel_timer(&timer_handler_phase2);			
-		}
-		else
-			rtw_cancel_timer(&timer_handler_phase1);
-			  
-		lock_channel = cur_channel;
-		security_type = ((ieee80211_frame_info_t *)user_data)->encrypt;
-		printf("JoinLink locked to channel[%d]\n",lock_channel);
-		
-		current_bssid = buf + 4 + ETH_ALEN;
-		memcpy(ap_bssid, current_bssid, 6);
-		
-		fixed_channel = promisc_get_fixed_channel(current_bssid, scanned_ssid, &scanned_ssid_len);
-		if (fixed_channel != 0) {
-			printf("JoinLink force fixed to channel[%d]\r\n",fixed_channel);
-			printf("JoinLink ssid scanned[%s]\r\n",scanned_ssid);
-			wifi_set_channel(fixed_channel);
-		}
-		
-	}
-	else if(ret == JOINLINK_STATUS_COMPLETE){
-		//wifi_set_promisc(RTW_PROMISC_DISABLE,NULL,0);
-		joinlink_finished = 1;
-		printf("quit promisc mode!\r\n");
-	} 
-	//release flag
-	jl_rx_flag = 0;
-	
-	return;
-}
-
-
-// callback for promisc packets, like rtk_start_parse_packet in SC, wf, 1021
-void wifi_promisc_rx(unsigned char* buf, unsigned int len, void* user_data)
-{
-	unsigned char * da = buf;
-	unsigned char * sa = buf + ETH_ALEN;
-	
-	if (joinlink_finished)
-		return;
-	
-	rtl_frame_recv_handle(buf, len, da, sa, user_data);
-	return;
-	
-}
-
-// the entry point for joinlink
-void joinlink_process(void *param)
-{
-	 
-	while(1)
-	{
-		current_time = xTaskGetTickCount();
-		
-		if(joinlink_finished)
-		{
-			printf("joinlink finished\n");
-			break;
-		}
-		
-		if((current_time - start_time) > JOINLINK_TIME * configTICK_RATE_HZ)
-		{
-			printf("joinlink timeout\n");
-			break;
-		}
-		
-		vTaskDelay(500);
-	}
-
-	joinlink_finish(security_type);
-		
-	vTaskDelete(NULL);
-	return;
-}
-
-int joinlink_init_content()
-{
-	
-	int ret = 0;
-	ret = joinlink_init();
-	if(ret < 0){
-		printf("JoinLink init failed!\n");
-		return ret;
-	}
-	memset(phase1_scanned_channel, 0, sizeof(phase1_scanned_channel));
-  security_type = 0xff;
-  cur_channel = 1;
-  lock_channel = 1;
-  joinlink_finished = 0;
-  jl_rx_flag = 0;
-  p_result = NULL;
-  all_channel_ret = 0;
-  phase1_finished = 0;
-  phase2_started = 0;
-  idx = 1;
-  rtw_init_sema(&pre_scan_sema, 0);
-  memset(ap_bssid, 0, sizeof(ap_bssid));
-  set_aes_key(aes_key, sizeof(aes_key) - 1);
-	
-	return 0;
-}
-
-// ret:1 indicate suc, else fail
-int scan_all_channel()
-{
-	all_channel_scan_result = (rtw_scan_result_t *)joinlink_all_scan();
-
-	if(all_channel_scan_result == NULL)
-		return 0;
-	else
-		return 1;	
-			
-}
-
-void get_phase1_channel()
-{
-	p_result = all_channel_scan_result;
-	while(p_result->channel)
-	{
-		if((p_result->channel >= 1) && (p_result->channel <= 13))
-			phase1_scanned_channel[p_result->channel] = 1;
-		p_result++;
-	}
-  return;
-}
-
-// now only accept mcast and bcast pkt
-static void filter_add_enable()
-{
-	u8 mask[MASK_SIZE_JOINLINK]={0xFF,0xFF,0xFF};
-	u8 pattern[MASK_SIZE_JOINLINK]={0x01,0x00,0x5e};
-	u8 pattern_bcast[MASK_SIZE_JOINLINK]={0xff,0xff,0xff};
-	
-	rtw_packet_filter_pattern_t packet_filter;
-	rtw_packet_filter_pattern_t packet_filter_bcast;
-	rtw_packet_filter_rule_e rule;
-
-	packet_filter.offset = 0;
-	packet_filter.mask_size = 3;
-	packet_filter.mask = mask;
-	packet_filter.pattern = pattern;
-	
-	packet_filter_bcast.offset = 0;
-	packet_filter_bcast.mask_size = 3;
-	packet_filter_bcast.mask = mask;
-	packet_filter_bcast.pattern = pattern_bcast;
-	
-	rule = RTW_POSITIVE_MATCHING;
-
-	wifi_init_packet_filter();
-	wifi_add_packet_filter(1, &packet_filter,rule);
-	wifi_add_packet_filter(2, &packet_filter_bcast,rule);
-		
-	wifi_enable_packet_filter(1);
-	wifi_enable_packet_filter(2);
-}
-
-
-void joinlink_start(void *param)
-{
-	joinlink_finished = 0;
-	start_time = xTaskGetTickCount();
-	
-	if(xTaskCreate(joinlink_process, (char const *)"JoinLink", 1512, NULL, tskIDLE_PRIORITY + 2, NULL) != pdPASS)
-		printf("%s xTaskCreate failed\n", __FUNCTION__);
-	
-	if (joinlink_init_content() < 0)
-		printf("joinlink init fail!\n");
-	while(1)
-	{
-		if(wifi_is_ready_to_transceive(RTW_STA_INTERFACE) == RTW_SUCCESS)
-			break;
-		else
-			vTaskDelay(3000);
-	}
-  all_channel_ret = scan_all_channel(); 
-  
-	if (rtw_down_sema(&pre_scan_sema) == _FAIL)
-	  printf("%s, Take Semaphore Fail\n", __FUNCTION__);
-    
-  //printf("\npre scan finished\n");
-
-	//set wifi to station mode,enable promisc mode and timer to change channel
-	wifi_enter_promisc_mode();
-	filter_add_enable();
-	
-	/* enable all 802.11 packets*/
-	wifi_set_promisc(RTW_PROMISC_ENABLE, wifi_promisc_rx, 1);	
-		
-	//init timer handler,and set timer hanler funcion
-	if(all_channel_ret)
-	{
-		printf("\nstart the phase1 scan\n");
-		get_phase1_channel();
-		rtw_init_timer(&timer_handler_phase1, NULL, &timer_handler_phase1_func, NULL, "phase1_timer");
-		rtw_set_timer(&timer_handler_phase1, SSID_SWITCH_TIME);			
-	}
-	else
-	{
-		printf("phase1 scan fail, start phase2 scan\n");
-	  rtw_init_timer(&timer_handler_phase2, NULL, &timer_handler_phase2_func, NULL, "phase2_timer");
- 	  wifi_set_channel(cur_channel);
-	  rtw_set_timer(&timer_handler_phase2, CHANNEL_SWITCH_TIME);	
-	}
-
-	vTaskDelete(NULL);
-	return;
-}
-
-void example_joinlink(void)
-{
-	if(xTaskCreate(joinlink_start, (char const *)"JoinLink_entry", 1512, NULL, tskIDLE_PRIORITY + 2, NULL) != pdPASS)
-		printf("%s xTaskCreate failed\n", __FUNCTION__);	
-}
\ No newline at end of file
diff --git a/component/common/application/jd_joinlink/joinlink.c b/component/common/application/jd_joinlink/joinlink.c
deleted file mode 100644
index 73be5ad..0000000
--- a/component/common/application/jd_joinlink/joinlink.c
+++ /dev/null
@@ -1,1100 +0,0 @@
-/******************************* joinlink **************************/
-//includes
-#include "joinlink.h"
-
-// macro
-#define NUM_MCAST                 53  // the max len of pkt in mcast, original: 13
-#define NUM_BCAST                 36  // the max number of index of bcast
-#define HEAD_LEN                  9   // sum(1 byte) + pwd_len(1 byte) + port(2 byte) + ip(4 byte) + ssid_len(1 byte) 
-#define NUM_IDX                   10  // number of index in bcast
-#define NUM_PKT			              4   // number of packets for every index
-#define SEQ_INCREMENT_ONE_BCAST   1   // only the increment of 1 in seq of pkt is accepted
-
-static char smac[6];
-static u8 decoded_state = 0;
-static int joinlink_state_mcast = 0;
-static int joinlink_state_bcast = 0;
-static u8 sync_label_mcast = 0;
-static u8 version_mcast = 0;
-// every pkt has two byte
-static u8 *raw_data_mcast = NULL;
-static u8 *decrypted_data_mcast = NULL;
-static u8 count_mcast = 0;
-static u8 sum_mcast = 0; // the total len of ssid and pwd
-static char pass_len = -1;
-static u8 ssid_len = 0;
-static u8 ssid_offset = 0;
-static u8 odd_check = 0;
-static u8 total_len_mcast = 0;
-static u8 *recved_flag_mcast = NULL;
-static u8 range_mcast[NUM_MCAST >> 3]; // the range for aes decryption
-static u8 decryp_flag_mcast[NUM_MCAST >> 3];
-
-static u8 sync_label_bcast = 0;
-static u8 version_bcast_ready = 0;
-static u8 version_bcast = 0;
-static u8 count_in_idx_bcast = 0;
-static u8 count_decoded_bcast = 0;
-static unsigned short seq_now_bcast = 0;
-static u8 locked_bssid_bcast[6];
-static u8 ssid_offset_bcast = 0;
-
-// for data phase in bcast
-// 0: wating index pkt, 1: waiting info pkt
-// TODO: need to fix bssid/ssid for bcast to filter unnecessary pkt
-static u8 data_phase_state_bcast = 0;
-static u8 *raw_data_bcast = NULL;
-static u8 *decrypted_data_bcast = NULL;
-
-static u8 version_CRC = 0;
-static u8 *decoded_flag_bcast = NULL;
-static u8 current_idx_bcast = 0;
-
-static u8 sum_bcast = 0; 
-static char pass_len_bcast = -1;
-static u8 ssid_len_bcast = 0;
-static u8 fc_version_bcast = 0;
-static u8 fc_data_bcast = 0;
-static u8 idx_CRC = 0;
-static u8 idx_data = 0;
-
-//store decode result of AP profile
-joinlink_result_t *AP_profile = NULL;
-
-// AES decryption related
-static u8 aes_iv[16];
-static u8 aes_key[16];
-static u8 ssid_range_mcast = 255;
-static u8 decryp_data_buf[16];
-/*
-ret: 0, success, -1, failure
-*/
-int joinlink_init()
-{
-	decoded_state = 0;
-	joinlink_state_mcast = 0;
-	joinlink_state_bcast = 0;
-	sync_label_mcast = 0;
-	version_mcast = 0;
-	
-  raw_data_mcast = (u8 *)malloc(NUM_MCAST*2);
-  decrypted_data_mcast = (u8 *)malloc(NUM_MCAST*2);
-  recved_flag_mcast = (u8 *)malloc(NUM_MCAST);
-  raw_data_bcast = (u8 *)malloc(NUM_BCAST*NUM_PKT);
-  decrypted_data_bcast = (u8 *)malloc(NUM_BCAST*NUM_PKT);
-  decoded_flag_bcast = (u8 *)malloc(NUM_BCAST);
-  AP_profile = (joinlink_result_t *)malloc(sizeof(joinlink_result_t));
-  
-  if(!raw_data_mcast || !decrypted_data_mcast || !recved_flag_mcast||
-  	 !raw_data_bcast || !decrypted_data_bcast || !decoded_flag_bcast||
-  	 !AP_profile)
-  {
-  	printf("join_link: malloc memory fail\n");
-  	return -1;
-  }
-  
-	memset(raw_data_mcast, 0, NUM_MCAST*2);
-  count_mcast = 0;
-  sum_mcast = 0;
-  pass_len = -1;
-  ssid_len = 0;
-  ssid_offset = 0;
-  odd_check = 0;
-  total_len_mcast = 0;
-  memset(recved_flag_mcast, 0, NUM_MCAST);
-  
-  sync_label_bcast = 0;
-  version_bcast_ready = 0;
-  version_bcast = 0;
-  seq_now_bcast = 0;
-  memset(locked_bssid_bcast, 0, sizeof(locked_bssid_bcast));
-  
-  data_phase_state_bcast = 0;
-  memset(raw_data_bcast, 0, NUM_BCAST*NUM_PKT);
-  version_CRC = 0;
-  count_in_idx_bcast = 0;
-  count_decoded_bcast = 0;
-  memset(decoded_flag_bcast, 0, NUM_BCAST);
-  current_idx_bcast = 0;
-  sum_bcast = 0; 
-  pass_len_bcast = -1;
-  ssid_len_bcast = 0;
-  fc_version_bcast = 0;
-  fc_data_bcast = 0;
-  idx_CRC = 0;
-  idx_data = 0;
-  
-  memset(AP_profile, 0, sizeof(joinlink_result_t));
-  memset(smac, 0, sizeof(smac));
-  
-  memset(aes_iv, 0, sizeof(aes_iv));
-  memset(aes_key, 0, sizeof(aes_key));
-  memset(range_mcast, 0, sizeof(range_mcast));
-  memset(decryp_flag_mcast, 0, sizeof(decryp_flag_mcast));
-  ssid_range_mcast = 255;
-  memset(decrypted_data_mcast, 0, NUM_MCAST*2);
-  memset(decryp_data_buf, 0, sizeof(decryp_data_buf));
-  memset(decrypted_data_bcast, 0, NUM_BCAST*NUM_PKT);
-  ssid_offset_bcast = 0;
-  
-	return 0;
-}
-
-// set the aes_key, the max len should be 16
-int set_aes_key(char *key, int len)
-{
-	if (len <= 0 || len > 16)
-		return 0;
-		
-	memcpy(aes_key, key, len);
-	if (rtl_crypto_aes_cbc_init(aes_key, sizeof(aes_key)) != 0) 
-  {
-		printf("AES CBC init failed\n");
-		return 0;
-	}
-	printf("the AES key is set to %s\n", aes_key);
-	return 1;
-}
-// free memory
-void joinlink_deinit()
-{
-	free(raw_data_mcast);
-	free(decrypted_data_mcast);
-	free(recved_flag_mcast);
-	free(raw_data_bcast);
-	free(decrypted_data_bcast);
-	free(decoded_flag_bcast);
-	free(AP_profile);
-	
-	raw_data_mcast = NULL;
-  decrypted_data_mcast = NULL;
-  recved_flag_mcast = NULL;
-  raw_data_bcast = NULL;
-  decrypted_data_bcast = NULL;
-  decoded_flag_bcast = NULL;
-  AP_profile = NULL;
-  
-  return;
-}
-// restart joinlink when error
-static void joinlink_restart()
-{
-	joinlink_deinit();
-	joinlink_init();
-	return;
-}
-/*
-ret: 0, failure; 1 true.
-*/
-static int check_sync_mcast(u8 *da)
-{
-	if((da[3] == 0) && (da[4] == 1) && (da[5] >= 1) && (da[5] <= 3))
-	{
-		sync_label_mcast |= 0x01 << (da[5] - 1);
-		if(sync_label_mcast == 0x07)
-			return 1;
-		else
-			return 0;
-	}
-	else
-		return 0;	
-}
-// ret: 0, failure; 1 true
-static int check_version_mcast(u8 *da)
-{
-	// 239.0.{Version}.4
-	if((da[3] == 0) && (da[5] == 4))
-	{
-		version_mcast = da[4];
-		return 1;
-	}
-	else
-		return 0;
-}
-
-static u8 getCrc(u8 *ptr, u8 len)
-{
-	u8 crc;
-	u8 i;
-	crc = 0;
-	while (len--)
-	{
-		crc ^= *ptr++;
-		for (i = 0; i < 8; i++)
-		{
-			if (crc & 0x01)
-			{
-				crc = (crc >> 1) ^ 0x8C;
-			}
-			else
-				crc >>= 1;
-		}
-	}
-	return crc;
-}
-// check whether received enough pkt to decrypt
-static u8 decryp_ready(u8 range)
-{
-	int first = (range << 3) + 1;
-	u8 count = 0;
-	while(count < 8)
-	{
-		if(!recved_flag_mcast[first + count])
-			return 0;
-		++count;
-	}
-	return 1;
-}
-// ret: 0 suc, ret: -1 failure
-static int decryp_data(u8 decryp_range)
-{
-	// before decryption dump
-	memset(decryp_data_buf, 0, sizeof(decryp_data_buf));
-	
-	// this decrpytion API only accept 16 byte size
-	if (rtl_crypto_aes_cbc_decrypt(raw_data_mcast + (decryp_range << 4), 16, aes_iv, sizeof(aes_iv), decryp_data_buf) != 0 ) 
-	{
-		printf("AES CBC decrypt failed\n");
-		return -1;
-	}
-	memcpy(decrypted_data_mcast + (decryp_range << 4), decryp_data_buf, 16);
-	// dump encrypted and decrypted data
-#if 0	
-	printf("range %d encryp data:", decryp_range);
-	for(int i = 0; i < 16; i++)
-	  printf("0x%02x ", raw_data_mcast[(decryp_range << 4) + i]);
-	printf("\n");  
-	
-	printf("range %d decrypted to:", decryp_range);
-	for(int i = 0; i < 16; i++)
-	  printf("0x%02x ", decrypted_data_mcast[(decryp_range << 4) + i]);
-	printf("\n");
-#endif	
-	return 0;
-}
-
-// for aes_cbc, need to remove the chain using xor
-static void dechain_aes_mcast(u8 range)
-{
-	if(range != 0)
-	{
-	  for(int i = 0; i < 16; i++)
-	    decrypted_data_mcast[(range << 4) + i] ^= raw_data_mcast[(range - 1 << 4) + i];		
-	}
-	// dump data
-#if 0	
-	printf("range %d dechained to: ", range);
-	for(int i = 0; i < 16; i++)
-	  printf("0x%02x ", decrypted_data_mcast[(range << 4) + i]);
-	printf("\n");
-#endif
-  printf("mcast: block %d is dechained\n", range);	
-	decryp_flag_mcast[range] = 2;
-	count_mcast += 8;
-	return;
-}
-/*
-ret: 1, enough data; 0 error or not enough
-239.{index}.{byte[i]}{byte[i+1]}
-{index} = (CRCLSB*3bit) + (Index*5bit)
-*/
-static int check_data_mcast(u8 *da)
-{
-	u8 raw_index = da[3];
-	u8 CRC_index = (raw_index & 0x40) >> 6;
-	u8 idx = raw_index & 0x3f;
-	u8 first, second;
-	u8 range = 0;
-	int first_in_range = 0;
-	// check CRC
-
-  // idx is invalid, start with 1
-	if((idx > NUM_MCAST) || (idx < 1))
-		return 0;
-  
-  // CRC check pass
-	if(((da[4] ^ da[5]) & 0x01) == CRC_index)
-	{
-		// already received
-		if(recved_flag_mcast[idx] == 1)
-			return 0;
-		
-		// new pkt	
-		recved_flag_mcast[idx] = 1;
-		first = (idx -1) * 2;
-		second = first + 1;
-		
-		raw_data_mcast[first] = da[4];
-		raw_data_mcast[second] = da[5];
-		printf("mcast: new pkt, idx is %d\n", idx);
-		// range begins with 0, every 8 pkts belongs to 1 range,e.g idx: {1~8} -> range:0
-    range = (idx - 1) >> 3;
-    // not enough pkt for decryption
-    if(!decryp_ready(range))
-    	return 0;
-    // start to decrypt
-    first_in_range = range << 4;
-    if(decryp_data(range) == -1)
-    {
-    	// clear the received flag for this range
-    	for (int i = 1; i < 9; i++)
-    		recved_flag_mcast[first_in_range + i] = 0;
-    	printf("decryped error in range %d\n",range);
-    	return 0;
-    }
-    // decryption success here;
-    decryp_flag_mcast[range] = 1;
-    printf("mcast: block %d is decrypted\n", range);
-    		
-		// this is the sum and pass_len
-		//if((idx == 1) && (!sum_mcast))
-		if(range == 0)
-		{
-			dechain_aes_mcast(range);
-			
-			sum_mcast = decrypted_data_mcast[0];
-    	pass_len = decrypted_data_mcast[1];
-    	printf("mcast: sum_mcast 0x%02x pass_len %d \n",sum_mcast, pass_len);
-			
-			// check whether the pass_len is valid
-			if(pass_len < 0 || pass_len > 64)
-			{
-				printf("mcast: pass_len is wrong, clear\n");
-	      decryp_flag_mcast[range] = 0;
-	      count_mcast -= 8;
-    	  for (int i = 1; i < 9; i++)
-    		  recved_flag_mcast[first_in_range + i] = 0;
-				return 0;
-			}
-			
-			// printf("[DEBUG]_mcast: the 2nd flag is %d\n", decryp_flag_mcast[range + 1]);
-			// check whether 2nd block is ready
-			if(decryp_flag_mcast[range + 1] == 1)
-			{
-				printf("here\n");
-			  dechain_aes_mcast(range + 1);
-			}			
-			
-			if((pass_len & 0x01)  == 0)
-			  odd_check = 2; // even
-			else
-				odd_check = 1; // odd	
-			// get the idx of pkt which contains the ssid_len info	
-			ssid_offset = 1 + (u8)((8 + pass_len)/2);	
-			ssid_range_mcast = (ssid_offset - 1) >> 3;			
-			printf("ssid_offset %d ssid_range_mcast %d\n",ssid_offset, ssid_range_mcast);
-#if 1	
-      // already dechained		
-			if(decryp_flag_mcast[ssid_range_mcast] == 2)
-			{
-				if(total_len_mcast == 0)
-				{
-					if(ssid_len == 0)
-					{
-						if(odd_check == 2)
-							ssid_len = decrypted_data_mcast[2 * (ssid_offset - 1)];
-						if(odd_check == 1)
-							ssid_len = decrypted_data_mcast[2 * (ssid_offset - 1) + 1];
-						printf("ssid_len is %d\n",ssid_len);
-					}
-					total_len_mcast = (u8)((pass_len + ssid_len + HEAD_LEN + 1)/2);
-			    printf("total_len_mcast is recalculated as %d\n",total_len_mcast);
-				}
-			}
-#endif
-		}
-		// need to dechain for the 2nd and following block
-		else
-		{
-			if(decryp_flag_mcast[range - 1] > 0)
-				dechain_aes_mcast(range);
-				
-			if(decryp_flag_mcast[range + 1] == 1)
-				dechain_aes_mcast(range + 1);
-				
-			if(!decryp_flag_mcast[range - 1] && !decryp_flag_mcast[range + 1])
-				return 0;
-		}
-		// 8 new pkts has been de chained for AES
-		
-		// set the ssid_len
-		if(ssid_range_mcast != 255 && decryp_flag_mcast[ssid_range_mcast] == 2)
-		{
-		   if(ssid_len == 0)
-		   {
-		   	if(odd_check == 2)
-		   		ssid_len = decrypted_data_mcast[2 * (ssid_offset - 1)];
-		   	if(odd_check == 1)
-		   		ssid_len = decrypted_data_mcast[2 * (ssid_offset - 1) + 1];
-		   	printf("ssid_len is %d\n",ssid_len);
-		   }
-		}
-
-		// set the total_len 
-		if((pass_len != -1) && (ssid_len != 0))
-		{
-			if(total_len_mcast == 0)
-			{
-			  total_len_mcast = (u8)((pass_len + ssid_len + HEAD_LEN + 1)/2);
-			  printf("total_len_mcast is calculated as %d\n",total_len_mcast);
-			}
-		}
-		
-		printf("total_len needed is %d already decrypted %d\n", total_len_mcast, count_mcast);
-		
-		if(!total_len_mcast)
-		{
-		  if(count_mcast >= NUM_MCAST)
-				return 1;
-			else
-				return 0;
-		}
-		else
-		{
-			//printf("count_mcast is %d total_len_mcast is %d\n");
-		  if(count_mcast >= total_len_mcast)
-		  {
-		  		// check CRC
-		  	u8 crc_ret = 0;
-		  	printf("enough decrypted pkt, start to check sum\n");
-		  	if((pass_len + ssid_len) & 0x01)
-		  		crc_ret = getCrc(decrypted_data_mcast + 1, total_len_mcast * 2 - 1);
-		  	else
-		  		crc_ret = getCrc(decrypted_data_mcast + 1, total_len_mcast * 2 - 2);
-				
-				if(crc_ret == sum_mcast)			  					  		
-          {printf("sum check pass\n"); return 1;}
-        else
-      	{
-      		printf("sum crc check failure, restart\n");
-      		joinlink_restart(); // fine tune: only restart the mcast part
-      		return 0;
-      	}
-		  }
-			else
-				return 0;		
-		}
-	}
-	// check CRC failure
-	else
-	{
-		//printf("CRC failure in mcast, getCrc is 0x%02x, CRC is 0x%02x\n",(da[4] ^ da[5]), CRC_index);
-		return 0;
-	}
-
-}
-/*
-ret: 0, failure; 1 true.
-*/
-static int check_sync_bcast(int len)
-{
-	// make sure the bits larger than 9 is 0
-	if(len >= 256) 
-		return 0;
-	// only the least 9 bits are useful	
-	len &= 0x01ff;
-	if((len >=1) && (len <=4))
-	{
-		sync_label_bcast |= 0x01 << (len - 1);
-		if(sync_label_bcast == 0x0f)
-			return 1;
-		else
-			return 0;
-	}
-	else
-		return 0;	
-}
-
-/* 
-{0b10000*5bit}+{CRCLSB*4bit}
-{0*1bit}{Version}
- ret: 0, failure; 1 true
- */
-static int check_version_bcast(int len, u8 i_fc)
-{
-  version_bcast = 0;
-  
-	if(!version_bcast_ready)
-	{
-		u8 version_pre_CRC = len & 0x0007;
-		u8 version_pre_data = (len & 0x01f8) >> 3;
-		
-		if(len >= 512)
-			return 0;
-		
-		if(version_pre_data == 0x20)
-		{
-			version_bcast_ready = 1; 
-			version_CRC = version_pre_CRC;
-			// fix the direction(fromDS/toDS) to receive version info
-  		fc_version_bcast = i_fc;
-				
-//			printf("get the CRC of version, change to wait version state\n");
-		}	
-			
-		return 0;
-	}
-	else
-	{
-		if(i_fc != fc_version_bcast)
-			return 0;
-			
-		if((len & 0xff00) != 0) 
-			return 0;
-		
-		version_bcast = len & 0x00ff;
-		if((getCrc(&version_bcast,1) & 0x07) == version_CRC)			
-		{
-			printf("version CRC pass\n");
-			return 1;
-		}
-		else
-		{
-			//printf("version CRC failure,reset this state, version is 0x%02x calculated CRC is 0x%02x, CRC is 0x%02x\n", 
-			//      version_bcast, getCrc(&version_bcast,1), version_CRC);
-			version_bcast_ready = 0;
-		}
-
-	}
-	return 0;
-}
-
-/*ret 1: valid seq, ret 0: invalid seq*/
-static u8 check_and_update_seq(unsigned short frame_seq)
-{
-	int seq_delta = frame_seq - seq_now_bcast;
-	
-#if SEQ_INCREMENT_ONE_BCAST
-	if((seq_delta == 1) || (seq_now_bcast == 4095) && (frame_seq == 0))
-	{
-		seq_now_bcast = frame_seq;
-		return 1;
-	}
-	else
-	{
-		seq_now_bcast = frame_seq;
-		return 0;
-	}
-#else	
-	if(((seq_delta <= 10) && (seq_delta >= 0)) || 
-		((seq_now_bcast > 4085) && (seq_delta + 4096 <= 10) && (seq_delta + 4096 >= 0)))
-	{
-		seq_now_bcast = frame_seq;
-		//printf("valid seq, seq_delta %d seq_now is updated to %d\n", seq_delta, seq_now_bcast);
-		return 1;
-	}
-	else
-	{
-		seq_now_bcast = frame_seq;
-		//printf("invalid seq, seq_delta %d seq_now is updated to %d\n", seq_delta, seq_now_bcast);
-		return 0;
-	}
-#endif
-}
-// idx starts with 1, every 4 is one decryption block
-static int decryp_ready_bcast(u8 first_idx)
-{	
-	for(int i = 0; i < 4; i++)
-	{
-		if(decoded_flag_bcast[first_idx + i] == 0)
-			return 0;
-	}
-	return 1;
-}
-// decryption for bcast
-static int decryp_data_bcast(u8 idx)
-{
-	memset(decryp_data_buf, 0, sizeof(decryp_data_buf));
-// dump the encryption info	
-#if 0	
-	printf("before decryption of idx %d:", idx);
-	for(int i = 0; i < 16; i++)
-	  printf("0x%02x ", raw_data_bcast[((idx >> 2) << 4) + i]);
-	printf("\n");
-#endif
-
-	// this decrpytion API only accept 16 byte size
-	if (rtl_crypto_aes_cbc_decrypt(raw_data_bcast + ((idx >> 2) << 4), 16, aes_iv, sizeof(aes_iv), decryp_data_buf) != 0 ) 
-	{
-		printf("AES CBC decrypt failed\n");
-		return -1;
-	}
-	memcpy(decrypted_data_bcast + ((idx >> 2) << 4), decryp_data_buf, 16);
-	printf("bcast: blcok %d is decrypted\n", idx >> 2);
-// dump the info after decryption	
-#if 0	
-	printf("after decryption of idx %d:", idx);
-	for(int i = 0; i < 16; i++)
-	  printf("0x%02x ", decrypted_data_bcast[((idx >> 2) << 4) + i]);
-	printf("\n");	
-#endif
-	
-	return 0;
-}
-// remove chain for aes cbc for bcast mode
-static void dechain_aes_bcast(u8 idx)
-{
-	u8 first_idx = (idx >> 2) << 4;
-	if(idx != 1)
-	{
-		for(int i = 0; i < 16; i++)
-			decrypted_data_bcast[first_idx + i] ^= raw_data_bcast[first_idx - 16 + i];
-	}
-	count_decoded_bcast += 4;
-	// set the dechained flag
-  for(int i = 0; i < 4; i++)
-	  decoded_flag_bcast[idx + i] = 3;
-	// dump the info after dechain
-#if 0
-	printf("idx %d is de chained to: ", idx);
-	for(int i = 0; i < 16; i++)
-	  printf("0x%02x ", decrypted_data_bcast[first_idx + i]);
-	printf("\n");
-#endif
-  printf("bcast: block %d is dechained\n", idx >> 2);
-	return;
-}
-
-/*
-{EncodeIndex*5bit}+{CRCLSB*4bit}
-{0*1bit}{Byte(i+0) *8bit}
-{0*1bit}{Byte(i+1) *8bit}
-{0*1bit}{Byte(i+2) *8bit}
-{0*1bit}{Byte(i+3) *8bit}
-*/
-static int check_data_bcast(int len, u8 i_fc, unsigned short frame_seq, unsigned const char *temp_bssid)
-{
-	// waiting index pkt
-	if(!data_phase_state_bcast)
-	{
-		
-		// make sure the 9th bit is 1 and bit larger than 9 is 0
-		if(((len & 0x0fff) >= 512) || ((len & 0x0fff) <= 256))
-			return 0;
-		// idx_data is increase from 1, not 0	
-		idx_data = (len & 0x00f8) >> 3;
-		if(idx_data == 0)
-			return 0;
-		
-		if(idx_data > NUM_BCAST)
-		{
-			printf("index is too large\n");
-			return 0;
-		}
-		
-		// already decoded this idx
-		if(decoded_flag_bcast[idx_data] >= 1)
-			return 0;
-		else
-		{
-			current_idx_bcast = idx_data;
-			count_in_idx_bcast = 0;
-			data_phase_state_bcast = 1;
-			idx_CRC = len & 0x0007;
-			seq_now_bcast = frame_seq;
-			//printf("idx_CRC is 0x%02x len is 0x%02x\n",idx_CRC, len);
-			fc_data_bcast = i_fc;
-			//printf("waiting data pkt of idx %d, locked in i_fc %d, seq_now %d\n",
-			//				current_idx_bcast,fc_data_bcast,seq_now_bcast);
-			return 0;
-		}
-			
-	}
-	// waiting info pkt
-	else
-	{
-		u8 array_idx = 0;
-		// check whether the data is valid, the 9th bit should be 0
-		if(len >= 256)
-		{
-			//printf("not info pkt\n");
-			return 0;
-		}
-		
-		// only receive the data from the previous idx direction
-		if(i_fc != fc_data_bcast)
-			return 0;
-		
-		array_idx = 4 * (current_idx_bcast - 1);
-
-		//printf("from bssid 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
-		//						 temp_bssid[0],temp_bssid[1],temp_bssid[2],temp_bssid[3],temp_bssid[4],temp_bssid[5]);		
-		// check whether seq is valid
-	  if(check_and_update_seq(frame_seq) == 0)
-	  {
-			//memset(raw_data_bcast + array_idx, 0, 4);
-			data_phase_state_bcast = 0;
-			return 0;  
-	  }
-		
-		raw_data_bcast[array_idx + count_in_idx_bcast] = len & 0x00ff;
-		count_in_idx_bcast++;
-		
-		//printf("len 0x%02x, info 0x%02x, i_fc %d i_seq %d\n",len, len & 0x00ff, i_fc, frame_seq);
-		if(count_in_idx_bcast != NUM_PKT)
-			return 0;
-		else
-		{
-			u8 temp_ret = 0;
-			u8 first_idx = 0;
-      
-#if 0			
-			printf("enough data pkt for idx, check CRC\n",current_idx_bcast);
-			printf("data to be decoded in idx %d: 0x%02x 0x%02x 0x%02x 0x%02x\n",current_idx_bcast,
-			      *(raw_data_bcast + array_idx),*(raw_data_bcast + array_idx + 1),
-			      *(raw_data_bcast + array_idx + 2),*(raw_data_bcast + array_idx + 3));
-#endif			      
-			
-			// assume first encryption and then CRC, so CRC check first and then decryption for receiver.      
-			temp_ret = getCrc(raw_data_bcast + array_idx, 4) & 0x07;
-			//printf("calculated CRC is 0x%02x true CRC is 0x%02x\n",temp_ret, idx_CRC);
-			// CRC pass
-			if(temp_ret == idx_CRC)
-			{
-				printf("bcast: idx %d is decoded\n",current_idx_bcast);
-				// the first idx in every decryption block
-				first_idx = 1 + ((current_idx_bcast - 1 >> 2) << 2);
-				// set the flag of this idx to 1, indicate pass CRC but not yet to decrypt
-				decoded_flag_bcast[current_idx_bcast] = 1;
-				// not enough neighbor idx for decryption
-				if(decryp_ready_bcast(first_idx) == 0)
-					return 0;
-				
-				if(decryp_data_bcast(first_idx) == -1)
-				{
-					for(int i = 0; i < 4; i++)
-					  decoded_flag_bcast[first_idx + i] = 0;
-					// clear the 4 idx data in this block;  
-					memset(raw_data_bcast + ((current_idx_bcast - 1 >> 2) << 4), 0, 16);
-					data_phase_state_bcast = 0;
-					return 0;
-				}
-				// decryption PASS
-				// set the decryption flag
-				for(int i = 0; i < 4; i++)
-				  decoded_flag_bcast[first_idx + i] = 2;
-				
-	      // if 1st block, get the pass_len
-        if(current_idx_bcast <= 4)
-        {
-        	dechain_aes_bcast(first_idx);
-        	sum_bcast = *decrypted_data_bcast; 
-        	pass_len_bcast = *(decrypted_data_bcast + 1);
-        	// make sure the pass len is in the right range {0,63}
-        	if((pass_len_bcast > 63) || (pass_len_bcast < 0))
-        	{
-        		printf("pass_len is wrong, clear\n");
-					  for(int i = 0; i < 4; i++)
-					    decoded_flag_bcast[first_idx + i] = 0;
-					  count_decoded_bcast -= 4;
-					  // clear the 4 idx data in this block;  
-					  memset(raw_data_bcast + ((current_idx_bcast - 1 >> 2) << 4), 0, 16);
-					  data_phase_state_bcast = 0;
-						return 0;        		
-        	}
-        	printf("sum_bcast is %d pass_len_bcast is %d\n",sum_bcast, pass_len_bcast);
-        	// recalculate ssid_len if the idx containning ssid_len is already decoded
-        	
-        	// to de chain the neighbor block
-        	if(decryp_ready_bcast(first_idx + 4))
-        		dechain_aes_bcast(first_idx + 4);
-        	
-        	ssid_offset_bcast = (8 + pass_len_bcast)/4 + 1; 
-        	if(decoded_flag_bcast[ssid_offset_bcast] == 3)
-        	{
-        	  ssid_len_bcast = *(decrypted_data_bcast + 8 + pass_len_bcast);
-        	  // check whether ssid len is in the right range {0,32}
-	        	if(ssid_len_bcast > 32)
-	        	{
-							//memset(raw_data_bcast + 4 * (2 + pass_len_bcast/4), 0, 4);
-							data_phase_state_bcast = 0;
-							for(int i = 0; i < 4; i++)
-						  	decoded_flag_bcast[(ssid_len_bcast - 1 >> 2) + i] = 0;
-						  count_decoded_bcast -= 4;
-							printf("ssid_len_bcast is wrong, clear idx %d\n", ((8 + pass_len_bcast)/4 + 1));
-							return 0;         		
-	        	}
-        	  printf("recalculated ssid_len_bcast is %d\n",ssid_len_bcast);
-        	}
-        }
-        // for the 2nd and following block, need the preceeding block to de chain
-        else
-        {
-        	if(decryp_ready_bcast(first_idx - 4))
-        	  dechain_aes_bcast(first_idx);
-        	  
-        	if(decryp_ready_bcast(first_idx + 4))
-        		dechain_aes_bcast(first_idx + 4);
-        	
-        	if(!decryp_ready_bcast(first_idx - 4) && !decryp_ready_bcast(first_idx + 4))	
-        		return 0;
-        }
-        // check whether ssid_len idx has been dechained
-        for(int i = 0; i < 4; i++)
-        {
-          if((pass_len_bcast != -1) && (decoded_flag_bcast[ssid_offset_bcast] == 3))
-          {
-          	ssid_len_bcast = *(decrypted_data_bcast + 8 + pass_len_bcast);
-          	// make sure ssid_len is valid in the range {0, 32}
-          	if(ssid_len_bcast > 32)
-          	{
-							//memset(raw_data_bcast + 4 * (2 + pass_len_bcast/4), 0, 4);
-							data_phase_state_bcast = 0;
-							for(int i = 0; i < 4; i++)
-						  	decoded_flag_bcast[(ssid_offset_bcast >> 2) << 2 + i + 1] = 0;
-						  count_decoded_bcast -= 4;
-							printf("ssid_len_bcast is wrong\n");
-							return 0;
-          	}
-          	printf("ssid_len_bcast is %d\n",ssid_len_bcast);
-          	break;
-          }        	
-        }
-        // check whether enough
-        if((ssid_len_bcast != 0) && (pass_len_bcast != -1))
-        {
-        	u8 total_len_bcast = HEAD_LEN + ssid_len_bcast + pass_len_bcast;
-        	printf("needed %d pkt, decoded %d\n",(u8)((total_len_bcast + 3)/4),count_decoded_bcast);
-        	if(count_decoded_bcast >= (u8)((total_len_bcast + 3)/4))
-        	{
-        		printf("enough decoded packets, start to check sum\n");
-        		if(getCrc(decrypted_data_bcast + 1,total_len_bcast - 1) == sum_bcast)
-        		{
-        			printf("sum check pass in bcast\n");
-        			return 1;
-        		}
-        		else
-        		{
-        			//printf("bcast sum check failure, restart\n");
-        			joinlink_restart(); // fine tune: only restart the bcast part
-        			return 0;
-        		}
-        	}
-        }
-				
-				data_phase_state_bcast = 0;
-			}
-			else
-			{
-				memset(raw_data_bcast + 4 * (current_idx_bcast - 1), 0, 4);
-				data_phase_state_bcast = 0;
-				printf("CRC failure of idx %d\n",current_idx_bcast);
-				return 0;
-			}
-		}
-		
-	}
-	
-	return 0;
-}
-/*
-ret: 0, failure, 1 true
-if success, assign the AP profile to a structure.
-*/ 
-static int decode_AP_profile(u8 *raw_data)
-{
-	int pos = 0;
-		
-	AP_profile->sum = raw_data[pos];
-	pos++;
-	printf("AP_profile: sum %d\n",AP_profile->sum);
-	
-	AP_profile->pwd_length = raw_data[pos];
-	pos++;
-	printf("AP_profile: pwd_len %d\n",AP_profile->pwd_length);
-	
-	if(AP_profile->pwd_length > 64)
-	{
-		printf("the pwd len: %d, larger than 64\n",AP_profile->pwd_length);
-		return 0;
-	}
-	
-	memcpy(AP_profile->pwd, (raw_data + pos), AP_profile->pwd_length);
-	pos += AP_profile->pwd_length;
-	printf("AP_profile: pwd %s\n",AP_profile->pwd);
-	
-	AP_profile->source_ip[0] = *(raw_data + pos);
-	AP_profile->source_ip[1] = *(raw_data + pos + 1);
-	AP_profile->source_ip[2] = *(raw_data + pos + 2);
-	AP_profile->source_ip[3] = *(raw_data + pos + 3);
-	
-	pos += 4;
-	printf("AP_profile: sip %d %d %d %d\n",AP_profile->source_ip[0],
-																				 AP_profile->source_ip[1],
-																				 AP_profile->source_ip[2],
-																				 AP_profile->source_ip[3]);
-	// assume the high byte is the most significant
-	#if 1
-	AP_profile->source_port = ((unsigned int)(*(raw_data + pos + 1)) << 8) | (*(raw_data + pos));
-	//printf("port high_part, low_part: %d %d\n", *(raw_data + pos + 1), *(raw_data + pos));
-	#endif
-	
-	pos += 2;
-	printf("AP_profile: port %d\n",AP_profile->source_port);
-	
-	AP_profile->ssid_length = *(raw_data + pos);
-	pos++;
-	printf("AP_profile: ssid_len %d\n",AP_profile->ssid_length);
-	
-	if(AP_profile->ssid_length > 64)
-	{
-		printf("the ssid len: %d, larger than 64\n",AP_profile->ssid_length);
-		return 0;
-	}
-	memcpy(AP_profile->ssid, (raw_data + pos), AP_profile->ssid_length);
-	printf("AP_profile: ssid %s\n",AP_profile->ssid);
-	
-	return 1;
-}
-
-joinlink_status_t joinlink_recv(u8 *da, u8 *sa, int len, void *user_data)
-{
-	joinlink_status_t ret;
-	const ieee80211_frame_info_t *promisc_info = user_data;
-	// 1 from ds, 2 to ds
-	u8 i_fc = ((promisc_info->i_fc & 0x0100) == 0x0100)? 2: 1;
-	unsigned short frame_seq = promisc_info->i_seq;
-	unsigned const char *temp_bssid = promisc_info->bssid;
-		
-	// for mcast
-	if(!((da[0] == 0xff) && (da[1] == 0xff) && (da[2] == 0xff) &&
-			(da[3] == 0xff) && (da[4] == 0xff) && (da[5] == 0xff)))
-	{
-		if(joinlink_state_mcast == 0)
-		{
-			if(!check_sync_mcast(da))
-				return JOINLINK_STATUS_CONTINUE;
-			else
-			{
-				// TODO: consider to fix source mac here
-				joinlink_state_mcast = 1;
-				memcpy(smac, sa, 6);
-				printf("turn to wait version state\n");
-				return JOINLINK_STATUS_CONTINUE;
-			}
-				
-		}
-		else if(joinlink_state_mcast == 1)
-		{
-			// only accept the pkt from fixed source mac
-			if(memcmp(smac, sa, 6))
-				return JOINLINK_STATUS_CONTINUE;
-				
-			if(!check_version_mcast(da))
-				return JOINLINK_STATUS_CONTINUE;
-			else
-			{
-				joinlink_state_mcast = 2;
-				printf("mcast version is %d\n",version_mcast);
-				printf("turn to wait data state\n");
-				return JOINLINK_STATUS_CHANNEL_LOCKED;
-			}
-		}
-		else if(joinlink_state_mcast == 2)
-		{
-			if(memcmp(smac, sa, 6))
-				return JOINLINK_STATUS_CONTINUE;
-				
-			if(!check_data_mcast(da))
-				return JOINLINK_STATUS_CONTINUE;
-			else
-			{
-				printf("enough packets, start to decode AP profile\n");
-				// AP profile has been gotten
-				if(!decode_AP_profile(decrypted_data_mcast))
-				{
-					printf("decode failure, restart joinlink\n");
-					joinlink_restart();
-					//TODO: intialize the data structure to restart receive data
-					return JOINLINK_STATUS_CONTINUE;
-				}
-				else
-				{
-					decoded_state = 1;
-					return JOINLINK_STATUS_COMPLETE;
-				}
-			}
-		}
-	}
-	// for bcast
-	else
-	{
-		len -= 42; // remove the unnecessary part
-				
-		if(joinlink_state_bcast == 0)
-		{
-			if(!check_sync_bcast(len))
-				return JOINLINK_STATUS_CONTINUE;
-			else
-			{
-				// fix the smac and bssid
-				memcpy(smac, sa, 6);
-				memcpy(locked_bssid_bcast, temp_bssid, 6);
-				joinlink_state_bcast = 1;
-				printf("change to bcast_state_1, lock channel\n");
-				return /*JOINLINK_STATUS_CONTINUE*/JOINLINK_STATUS_CHANNEL_LOCKED;
-			}
-				
-		}
-		else if(joinlink_state_bcast == 1)
-		{
-			if(memcmp(smac, sa, 6) || memcmp(temp_bssid, locked_bssid_bcast, 6))
-				return JOINLINK_STATUS_CONTINUE;			
-			
-			if(!check_version_bcast(len, i_fc))
-				return JOINLINK_STATUS_CONTINUE;
-			else
-			{
-				joinlink_state_bcast = 2;
-				printf("change to bcast_state_2\n");
-				return /*JOINLINK_STATUS_CHANNEL_LOCKED*/JOINLINK_STATUS_CONTINUE;
-			}
-		}
-		else if(joinlink_state_bcast == 2)
-		{
-			if(memcmp(smac, sa, 6) || memcmp(temp_bssid, locked_bssid_bcast, 6))
-				return JOINLINK_STATUS_CONTINUE;
-							
-			if(!check_data_bcast(len, i_fc, frame_seq, temp_bssid))
-				return JOINLINK_STATUS_CONTINUE;
-			else
-			{
-				// AP profile has been gotten
-				if(!decode_AP_profile(decrypted_data_bcast))
-				{
-					printf("decode failure, restart joinlink\n");
-					//TODO: intialize the data structure to restart receive data
-					return JOINLINK_STATUS_CONTINUE;
-				}
-				else
-				{
-					decoded_state = 1;
-					return JOINLINK_STATUS_COMPLETE;
-				}
-			}
-		}
-	}
-	ret = JOINLINK_STATUS_CONTINUE;
-	return ret;
-}
-
-/*
- * copy the decode AP info to user space
-* store the AP profile to result;
-* ret: 0, success
-* ret: -1, failure
- */
-int joinlink_get_result(joinlink_result_t *result)
-{
-	if(decoded_state == 0)
-		return -1;
-	else
-	{
-    memcpy(result, AP_profile, sizeof(joinlink_result_t));
-	  return 0;		
-	}
-}
-
-
-
-/*********************************************************/
diff --git a/component/common/application/jd_joinlink/joinlink.h b/component/common/application/jd_joinlink/joinlink.h
deleted file mode 100644
index 5c3b151..0000000
--- a/component/common/application/jd_joinlink/joinlink.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/******************************* joinlink **************************/
-#ifndef __JOINLINK_H
-#define __JOINLINK_H
-
-#include "autoconf.h"
-#include "platform_stdlib.h"
-#include "wifi_conf.h"
-#include "wifi_structures.h"
-#include "osdep_service.h"
-#include "lwip_netconf.h"
-#include "task.h"
-#include "hal_crypto.h"
-
-#define SSID_SWITCH_TIME    500  //ssid switch time in phase1,units:ms, 50
-#define CHANNEL_SWITCH_TIME 500	//channel switch time in phase2,units:ms, 50
-#define JOINLINK_TIME       120  //timeout for joinlink process, units: s
-
-/*
- * store AP profile after successfully decode
- * SUM +£¨length£¬pass£©+£¨IP+Port£©+£¨length£¬SSID)
- */
-typedef struct
-{
-	unsigned char sum;
-	unsigned char pwd_length;
-	char pwd[65];						
-  int source_ip[4];
-  unsigned int source_port;
-  unsigned char ssid_length;
-	char ssid[65];						
-} joinlink_result_t;
-
-/*
- * return value of joinlink_recv()
- */
-typedef enum
-{
-	JOINLINK_STATUS_CONTINUE = 0,
-	JOINLINK_STATUS_CHANNEL_LOCKED = 1,
-	JOINLINK_STATUS_COMPLETE = 2
-} joinlink_status_t;
-
-//initialize the related data structure
-int joinlink_init();
-/*
-  handler to decode pkt
- */
-joinlink_status_t joinlink_recv(unsigned char *da, unsigned char *sa, int len, void *user_data);
-
-/*
- * get the AP profile after decode
- */
-int joinlink_get_result(joinlink_result_t *result);
-
-/*
- * set the aes_key, the max len should be 16
- * ret 1: success; ret 0: the len is invalid;
- */ 
-int set_aes_key(char *key, int len);
-
-// call this after finish join_link process
-void joinlink_deinit();
-
-#endif //__JOINLINK_H