Revert "SIG-1358 #resolve"
diff --git a/lib/Makefile b/lib/Makefile
index fe61376..6533590 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -34,10 +34,6 @@
 
 wfa_sock.o: wfa_sock.c ../inc/wfa_sock.h ../inc/wfa_types.h
 
-wfa_serial.o: wfa_serial.c ../inc/wfa_serial.h ../inc/wfa_nw_al.h ../inc/wfa_types.h
-
-wfa_nw_al.o: wfa_nw_al.c ../inc/wfa_nw_al.h ../inc/wfa_types.h
-
 wfa_thr.o: wfa_thr.c ../inc/wfa_tg.h 
 
 wfa_wmmps.o: wfa_wmmps.c ../inc/wfa_wmmps.h
diff --git a/lib/wfa_ca_resp.c b/lib/wfa_ca_resp.c
index b5c6bd1..542a22f 100644
--- a/lib/wfa_ca_resp.c
+++ b/lib/wfa_ca_resp.c
@@ -153,7 +153,7 @@
 
     sprintf(gRespStr, "status,ERROR,Command Not Defined\r\n");
     /* make sure if getting send error, will close the socket */
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     done = 0;
 
@@ -185,7 +185,7 @@
     default:
         sprintf(gRespStr, "status,INVALID\r\n");
     }
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -214,7 +214,7 @@
         sprintf(gRespStr, "status,INVALID\r\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     return done;
 }
 
@@ -252,7 +252,7 @@
         sprintf(gRespStr, "status,INVALID\r\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     return done;
 }
 
@@ -275,7 +275,7 @@
         sprintf(gRespStr, "status,INVALID\r\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     return done ;
 }
 
@@ -300,7 +300,7 @@
         sprintf(gRespStr, "status,INVALID\r\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -324,7 +324,7 @@
         sprintf(gRespStr, "status,INVALID\r\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     return done;
 }
 
@@ -403,7 +403,7 @@
         strncat(gRespStr, "\r\n", 4);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     return done;
 }
 
@@ -476,8 +476,8 @@
         }
         strncat(gRespStr, "\r\n", 4);
     }
-		
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     printf("gRespStr = %s", gRespStr);
     return done;
 }
@@ -504,7 +504,7 @@
         sprintf(gRespStr, "status,INVALID\r\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
 
     return done;
@@ -536,7 +536,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
     return done;
 }
 
@@ -568,7 +568,7 @@
         printf("unknown status\n");
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -598,7 +598,7 @@
         sprintf(gRespStr, "status,COMPLETE,mac,00:00:00:00:00:00\r\n");
         printf("unknown status\n");
     }
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -632,7 +632,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -661,7 +661,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -698,7 +698,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -730,7 +730,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -776,7 +776,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -807,7 +807,7 @@
         break;
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -842,7 +842,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -870,7 +870,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -898,7 +898,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -926,7 +926,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -954,7 +954,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -981,7 +981,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1022,7 +1022,7 @@
 
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1054,7 +1054,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1083,7 +1083,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 
@@ -1128,7 +1128,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1157,7 +1157,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 
@@ -1209,7 +1209,8 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
-//    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+
     return done;
 
 }
@@ -1238,7 +1239,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1271,7 +1272,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
  
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1352,7 +1353,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1383,7 +1384,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1412,7 +1413,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
@@ -1586,7 +1587,7 @@
         DPRINT_INFO(WFA_OUT, " %s\n", gRespStr);
     }
 
- //   wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
+    wfaCtrlSend(gCaSockfd, (BYTE *)gRespStr, strlen(gRespStr));
 
     return done;
 }
diff --git a/lib/wfa_nw_al.c b/lib/wfa_nw_al.c
deleted file mode 100644
index 39e929e..0000000
--- a/lib/wfa_nw_al.c
+++ /dev/null
@@ -1,542 +0,0 @@
-/****************************************************************************
-*
-* Copyright (c) 2015 Wi-Fi Alliance
-*
-* Permission to use, copy, modify, and/or distribute this software for any
-* purpose with or without fee is hereby granted, provided that the above
-* copyright notice and this permission notice appear in all copies.
-*
-* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
-* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
-* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
-* USE OR PERFORMANCE OF THIS SOFTWARE.
-*
-*****************************************************************************/
-
-/**
-*    File: wfa_nw_al.c 
-*    library functions for network layer abstraction,
-*    
-*    They are common library to open, close and send receive over any defined interface 
-*    so above layer will be modular 
-*
-*    Revision History:
-*
-*
-*/
-
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <termios.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "wfa_debug.h"
-#include "wfa_nw_al.h"
-#include "wfa_serial.h"
-#include "wfa_sock.h"
-
-
-
-
-/* Set the read time out for read function*/
-#define READ_TIME_OUT_SEC   30
-#define READ_TIME_OUT_U_SEC   0
-
-
-/**
-* @brief This function will create and oipen the interface, like tcp /udp or serial. 
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char * ifaceName  interface name, eth0, /dev/ttyS0, ...
-* @param int typeOfConn    type of connection like TCP / serial
-* @param int servFlag      true: it a server connection, false: client connection
-*                          this relavent with ethernet connection.
-* 
-*
-**/
-
-int wfaOpenInterFace(t_ifaceHandle *handle, char * ifaceName, int typeOfConn, int servFlag )
-{
-#ifdef DEBUG_FUNC
-    printf("%s \n",__func__);
-#endif
-    if( (handle == NULL) || (ifaceName == NULL))
-    {
-        return WFA_ERROR;
-    }
-    FD_ZERO(&handle->fds);
-    handle->timeout.tv_sec = READ_TIME_OUT_SEC;
-    handle->timeout.tv_usec = READ_TIME_OUT_U_SEC;
-    switch(typeOfConn)
-    {
-        case CONN_TYPE_TCP:
-        {   /* operation related to tcp*/
-            handle->ifaceType = CONN_TYPE_TCP;
-            if(strlen(ifaceName) > (sizeof(handle->if_attr.ipConn.device) - 1))
-                return WFA_ERROR;
-            /*expecting not more than 31 char + 1 null */
-            strncpy(handle->if_attr.ipConn.device, ifaceName, 31); 
-            if(servFlag)
-            {
-                handle->if_attr.ipConn.clientSockfd = -1;
-                /*set up the server but need to call "wfaInterFacePeerConn"
-                to listen for the client connection*/
-                handle->if_attr.ipConn.sockfd = 
-                    wfaCreateTCPServSock(handle->if_attr.ipConn.device,
-                        handle->if_attr.ipConn.port);
-                if(handle->if_attr.ipConn.sockfd == -1)
-                {
-                    return WFA_ERROR;
-                }
-                handle->if_attr.ipConn.srvFlag =  1;
-            }
-            else
-            {   /*tcp client connect*/
-                if(handle->if_attr.ipConn.sockfd == -1)
-                {
-                    if ((handle->if_attr.ipConn.sockfd = socket(PF_INET, 
-                        SOCK_STREAM, IPPROTO_TCP)) < 0)
-                    {
-                        DPRINT_ERR(WFA_ERR, "socket() failed: %i", errno);
-                        return WFA_ERROR;
-                    }
-                    handle->if_attr.ipConn.srvFlag =  0; /* client socket*/
-                }
-            }
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /* operation related to udp*/
-            handle->ifaceType = CONN_TYPE_UDP;
-            if(servFlag)
-            {
-                if(strlen(ifaceName) > (sizeof(handle->if_attr.ipConn.device) - 1))
-                    return WFA_ERROR;
-                /*expecting not more than 31 char + 1 null */
-                strncpy(handle->if_attr.ipConn.device, ifaceName, 31); 
-
-                handle->if_attr.ipConn.sockfd =  
-                    wfaCreateUDPSock(handle->if_attr.ipConn.srcIpaddr,
-                        handle->if_attr.ipConn.port);
-                if(handle->if_attr.ipConn.sockfd == -1)
-                {
-                    return WFA_ERROR;
-                }
-                handle->if_attr.ipConn.srvFlag =  1;
-            }
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* operation related to serial*/
-            printf("trying to open serial port %s \n",ifaceName);
-            handle->ifaceType = CONN_TYPE_SERIAL;
-             if(strlen(ifaceName) > (sizeof(handle->if_attr.serial.device) - 1))
-                return WFA_ERROR;
-            /*expecting not more than 31 char + 1 null */
-            strncpy(handle->if_attr.ipConn.device, ifaceName, 31); 
-            wfaOpenSerial(handle, handle->if_attr.serial.device, 
-                handle->if_attr.serial.baudrate);
-            break;
-        }
-    }
-    return WFA_SUCCESS;
-}
-
-
-/**
-* @brief  
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char *destIpAddr
-* @param int dstPort
-* @param int dstBuad      
-* @param int typeOfConn
-* 
-*
-**/
-int wfaInterFacePeerInfoSet(t_ifaceHandle *handle, char *destIpAddr, int dstPort, int dstBuad, int typeOfConn )
-{
-#ifdef DEBUG_FUNC
-        printf("%s \n",__func__);
-#endif
-
-    if(handle == NULL) {
-        return WFA_ERROR;
-    }
-    if(typeOfConn !=  handle->ifaceType) {
-        DPRINT_ERR(WFA_ERR, "type of connection difference \n");
-        return WFA_ERROR;
-    }
-    switch(typeOfConn) {
-        case CONN_TYPE_TCP:
-        {   /* operation related to tcp*/
-            if(destIpAddr == NULL)
-                return WFA_ERROR;
-            memset(&handle->if_attr.ipConn.to, 0, sizeof(handle->if_attr.ipConn.to)); 
-            handle->if_attr.ipConn.to.sin_family      = AF_INET;
-            handle->if_attr.ipConn.to.sin_addr.s_addr = inet_addr(destIpAddr);
-            handle->if_attr.ipConn.to.sin_port        = htons(dstPort);
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /* operation related to udp*/
-            if(destIpAddr == NULL)
-                return WFA_ERROR;
-            memset(&handle->if_attr.ipConn.to, 0, sizeof(handle->if_attr.ipConn.to)); 
-            handle->if_attr.ipConn.to.sin_family      = AF_INET;
-            handle->if_attr.ipConn.to.sin_addr.s_addr = inet_addr(destIpAddr);
-            handle->if_attr.ipConn.to.sin_port        = htons(dstPort);
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* operation related to serial*/
-            /* for this connection there is nothing like peer connection*/
-            if(handle->if_attr.serial.baudrate != dstBuad)
-            {
-                printf("there is mismatch in dst buad\n");
-     //           DPRINT_ERR(WFA_ERR, "diffrebce in baud rate: local :%d remote: %d\n",
-     //                   handle->if_attr.serial.baudrate, dstBuad);
-     //           return WFA_ERROR;
-            }
-            break;
-        }
-    }
-    return WFA_SUCCESS;
-}
-
-
-/**
-* @brief  
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char *destIpAddr
-* @param int dstPort
-* @param int dstBuad      
-* @param int typeOfConn
-* 
-*
-**/
-int wfaInterFacePeerConn(t_ifaceHandle *handle )
-{
-    int typeOfConn;
-    int retStatus =0;
-#ifdef DEBUG_FUNC
-    printf("%s \n",__func__);
-#endif
-
-    if( (handle == NULL) ) {
-        return WFA_ERROR;
-    }
-    typeOfConn =  handle->ifaceType;
-    switch(typeOfConn) {
-        case CONN_TYPE_TCP:
-        {   /* operation related to tcp*/
-            if(handle->if_attr.ipConn.srvFlag) {
-                /* wait for client connection, just start listen */
-                /* accept the connection*/
-                if (handle->if_attr.ipConn.clientSockfd == -1) {
-                    handle->if_attr.ipConn.clientSockfd = 
-                            wfaAcceptTCPConn( handle->if_attr.ipConn.sockfd);
-                    printf("clent sock %d\n",handle->if_attr.ipConn.clientSockfd);
-                }
-                else {
-                    printf("clent sock %d\n",handle->if_attr.ipConn.clientSockfd);
-                }
-            }
-            else {
-                if(handle->if_attr.ipConn.sockfd != -1) {
-                    retStatus = wCONNECT(handle->if_attr.ipConn.sockfd,
-                        (struct sockaddr *)&handle->if_attr.ipConn.to, 
-                        sizeof(handle->if_attr.ipConn.to));
-                    if(retStatus < 0)
-                        printf("Connection error %d\n", errno);
-                }
-            }
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /* operation related to udp*/
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* operation related to serial*/
-            /* for this connection there is nothing like peer connection*/
-            break;
-        }
-    }
-    return retStatus;
-}
-
-
-/**
-* @brief  
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char *destIpAddr
-* @param int dstPort
-* @param int dstBuad      
-* @param int typeOfConn
-* 
-*
-**/
-
-int wfaInterFacePeerConnClose(t_ifaceHandle *handle )
-{
-    int typeOfConn;
-
-#ifdef DEBUG_FUNC
-    printf("%s \n",__func__);
-#endif
-
-    if( (handle == NULL) ) {
-        return WFA_ERROR;
-    }
-    typeOfConn =  handle->ifaceType;
-    switch(typeOfConn) {
-        case CONN_TYPE_TCP:
-        {   /* operation related to tcp*/
-            if(handle->if_attr.ipConn.srvFlag) {
-                /* close the connection*/
-                if(handle->if_attr.ipConn.clientSockfd != -1)
-                {
-                    shutdown(handle->if_attr.ipConn.clientSockfd, SHUT_WR);
-                    close(handle->if_attr.ipConn.clientSockfd);
-                    handle->if_attr.ipConn.clientSockfd = -1;
-                }
-            }
-            else {
-                if(handle->if_attr.ipConn.sockfd != -1)
-                {
-                    shutdown(handle->if_attr.ipConn.sockfd, SHUT_WR);
-                    close(handle->if_attr.ipConn.sockfd);
-                    handle->if_attr.ipConn.sockfd = -1;
-                }
-            }
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /* operation related to udp*/
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* operation related to serial*/
-            /* disconnect the uart*/
-            wfaInterFaceClose(handle);
-            break;
-        }
-    }
-    return WFA_SUCCESS;
-}
-
-
-
-/**
-* @brief  
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char *destIpAddr
-* @param int dstPort
-* @param int dstBuad      
-* @param int typeOfConn
-* 
-*
-**/
-int wfaInterFaceClose(t_ifaceHandle *handle )
-{
-#ifdef DEBUG_FUNC
-    printf("%s \n",__func__);
-#endif
-
-    if( (handle == NULL) ) {
-        return WFA_ERROR;
-    }
-
-    switch(handle->ifaceType) {
-        case CONN_TYPE_TCP:
-        {   /* operation related to tcp*/
-            if(handle->if_attr.ipConn.srvFlag)
-            {
-                /* check for the client socket */
-                if(handle->if_attr.ipConn.clientSockfd != -1)
-                {
-                    shutdown(handle->if_attr.ipConn.clientSockfd, SHUT_WR);
-                    close(handle->if_attr.ipConn.clientSockfd);
-                    handle->if_attr.ipConn.clientSockfd = -1;
-                }
-            }
-            shutdown(handle->if_attr.ipConn.clientSockfd, SHUT_RDWR);
-            close(handle->if_attr.ipConn.sockfd);
-            handle->if_attr.ipConn.sockfd = -1;
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /* operation related to udp*/
-            wCLOSE(handle->if_attr.ipConn.sockfd);
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* operation related to serial*/
-            /* for this connection there is nothing like peer connection*/
-            wfaCloseSerial(handle);
-            break;
-        }
-    }
-    return WFA_SUCCESS;
-}
-
-/**
-* @brief  
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char *destIpAddr
-* @param int dstPort
-* @param int dstBuad      
-* @param int typeOfConn
-* 
-*
-**/
-int wfaInterFaceDataSend(t_ifaceHandle *handle, char *buffer, int bufferLen )
-{
-    int bytesSent = 0;
-//#ifdef DEBUG_FUNC
-    printf("%s -> to send %d \n",__func__, bufferLen);
-//#endif
-
-    if( (handle == NULL) || (buffer == NULL) || (bufferLen <= 0)) {
-        return WFA_ERROR;
-    }
-    switch(handle->ifaceType) {
-        case CONN_TYPE_TCP:
-        {   /* tcp send */
-            if(handle->if_attr.ipConn.srvFlag){
-                bytesSent = wSEND(handle->if_attr.ipConn.clientSockfd, buffer, bufferLen, 0); 
-                if(bytesSent == -1) {
-                    DPRINT_ERR(WFA_ERR, "Error sending tcp packet\n");
-                }
-            }
-            else {
-                bytesSent = wSEND(handle->if_attr.ipConn.sockfd, buffer, bufferLen, 0); 
-                if(bytesSent == -1) {
-                    DPRINT_ERR(WFA_ERR, "Error sending tcp packet\n");
-                }
-            }
-            printf("able to sent %d \n", bytesSent );
-            return bytesSent;
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /*  udp sendto*/
-            bytesSent = wSENDTO(handle->if_attr.ipConn.sockfd, buffer, bufferLen, 0,
-                        (struct sockaddr *)&handle->if_attr.ipConn.to, sizeof(handle->if_attr.ipConn.to));
-            return bytesSent;
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* serial wrtie to the fd*/
-            wfaSerialSend(handle, buffer, bufferLen);
-            break;
-        }
-    }
-    return WFA_SUCCESS;
-}
-
-
-/**
-* @brief  
-*
-* @param t_ifaceHandle *handle  pointer to handle.
-* @param char *destIpAddr
-* @param int dstPort
-* @param int dstBuad      
-* @param int typeOfConn
-* 
-*
-**/
-int wfaInterFaceDataRecv(t_ifaceHandle *handle, char *buffer, int bufferLen, int *recvLen )
-{
-    int bytesRecvd = 0;
-    int retStatus = WFA_SUCCESS;
-    int ret = 0;
-    
-#ifdef DEBUG_FUNC
-    printf("%s \n",__func__);
-#endif
-    if( (handle == NULL) || (buffer == NULL) || (bufferLen <= 0))
-    {
-        printf("handle or buffer error \n");
-        return WFA_ERROR;
-    }
-    switch(handle->ifaceType)
-    {
-        case CONN_TYPE_TCP:
-        {   /* tcp send */
-            FD_ZERO(&handle->fds);
-            if(handle->if_attr.ipConn.srvFlag)
-            {
-                FD_SET(handle->if_attr.ipConn.clientSockfd, &handle->fds);
-                ret = select(handle->if_attr.ipConn.clientSockfd+1, &handle->fds, NULL, NULL, &handle->timeout);
-                printf("after select ret %d\n",ret);
-                if ( ret > 0)
-                {
-                    bytesRecvd = wRECV(handle->if_attr.ipConn.clientSockfd, 
-                        buffer, bufferLen, 0);
-                }
-                else
-                {
-                   bytesRecvd = -1;
-                   printf("timeout on receive\n");
-                }
-                if(bytesRecvd == -1)
-                {
-                    DPRINT_ERR(WFA_ERR, "Error in receiving tcp packet\n");
-                    *recvLen = 0;
-                    retStatus = WFA_ERROR;
-                }
-            }
-            else {
-                FD_SET(handle->if_attr.ipConn.sockfd, &handle->fds);
-                if (select(handle->if_attr.ipConn.sockfd+1, &handle->fds, NULL, NULL, &handle->timeout) > 0)
-                {
-                    bytesRecvd = wRECV(handle->if_attr.ipConn.sockfd, buffer, bufferLen, 0);
-                }
-                else
-                {
-                   bytesRecvd = -1;
-                   printf("timeout on receive\n");
-                }
-                if(bytesRecvd == -1)
-                {
-                    DPRINT_ERR(WFA_ERR, "Error in receiving tcp packet\n");
-                    *recvLen = 0;
-                    retStatus = WFA_ERROR;
-                }
-             }
-            printf("byte recv %d \n",bytesRecvd);
-            *recvLen = bytesRecvd;
-            break;
-        }
-        case CONN_TYPE_UDP:
-        {  /*  udp recvfrom*/
-            *recvLen = wRECVFROM(handle->if_attr.ipConn.sockfd,buffer, 
-                bufferLen, 0, NULL, NULL);
-            return WFA_SUCCESS;
-            break;
-        }
-        case CONN_TYPE_SERIAL:
-        {  /* serial wrtie to the fd*/
-            /*need to do little more*/
-            retStatus = wfaSerialRecv(handle, buffer, bufferLen, recvLen);
-            if(WFA_SUCCESS != retStatus)
-                printf("serial recev error \n");
-            break;
-        }
-    }
-    return retStatus;
-}
-
diff --git a/lib/wfa_serial.c b/lib/wfa_serial.c
deleted file mode 100644
index e6295a1..0000000
--- a/lib/wfa_serial.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/****************************************************************************
-*
-* Copyright (c) 2015 Wi-Fi Alliance
-*
-* Permission to use, copy, modify, and/or distribute this software for any
-* purpose with or without fee is hereby granted, provided that the above
-* copyright notice and this permission notice appear in all copies.
-*
-* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
-* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
-* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
-* USE OR PERFORMANCE OF THIS SOFTWARE.
-*
-*****************************************************************************/
-
-/*
- *  File: wfa_serial.c 
- *  library functions for serial port,
- *  They are common library to open, close and send receive over serial port.
- *
- *  Revision History:
- *
- *
- */
-
-
-
-//#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
-#include <termios.h>
-#include <stdio.h>
-
-#include "wfa_types.h"
-#include "wfa_serial.h"
-#include "wfa_debug.h"
-
-/************ For Debug enable below *************************/ 
-
-#define DEBUG_SERIAL
-#ifdef DEBUG_SERIAL
-extern unsigned short wfa_defined_debug;
-#endif
-
-
-int wfa_getBaudeRate(int baudrate)
-{
-    switch (baudrate){
-    case 0:
-        return -1;
-    case 2400:
-        return B2400;
-    case 4800:
-        return B4800;
-    case 9600:
-        return B9600;
-    case 19200:
-        return B19200;
-    case 38400:
-        return B38400;
-    case 57600:
-        return B57600;
-    case 115200:
-        return B115200;
-    case 230400:
-        return B230400;
-    case 460800:
-        return B460800;
-    case 921600:
-        return B921600;
-    case 1000000:
-        return B1000000;
-    case 1152000:
-        return B1152000;
-    case 1500000:
-        return B1500000;
-    case 2000000:
-        return B2000000;
-    case 2500000:
-        return B2500000;
-    case 3000000:
-        return B3000000;
-    case 3500000:
-        return B3500000;
-    case 4000000:
-        return B4000000;
-    default:
-        printf("baud not in list, default 115200");
-        return B115200;
-    }
-}
-
-/**
-* @brief       Open serial port for communicaiton 
-*
-*
-*
-* @param    t_ifaceHandle *handle, handle of the structure 
-* @param    char *device  device name, port to be used
-* @param    int baudRate  buadrate for the port
-*
-*
-* @return   WFA_SUCCESS, WFA_ERROR.
-*/
-
-
-
-int wfaOpenSerial(t_ifaceHandle *handle, char *device, int baudRate)
-{
-    int fd= -1;
-    int baud;
-#ifdef DEBUG_SERIAL
-    DPRINT_INFO(WFA_OUT,"%s \n",__func__);
-#endif
-    if((handle == NULL) || (device == NULL))
-        return WFA_ERROR; //ERROR_NULL_POINTER;
-
-    fd = open(device, O_RDWR | O_NOCTTY ); 
-    if (fd <0) {
-        DPRINT_INFO(WFA_ERR,"Not able to open serial port\n");
-        perror(device);
-        exit(1);
-    }
-
-    handle->if_attr.serial.fd = fd;
-#ifdef DEBUG_SERIAL
-    DPRINT_INFO(WFA_OUT,"baud rate %d \n",baudRate);
-#endif
-    if(( baud =  wfa_getBaudeRate( baudRate)) == -1)
-        return WFA_ERROR;
-
-    /* save current port settings */
-    if (tcgetattr(fd,&(handle->if_attr.serial.oldtio)) != 0) 
-    {
-       DPRINT_INFO(WFA_ERR,"error %d from tcgetattr", errno);
-        return WFA_ERROR;
-    }
-
-    bzero(&(handle->if_attr.serial.newtio),sizeof(handle->if_attr.serial.newtio));
-    /* Set the buad rate for the serial port */
-
-    handle->if_attr.serial.newtio.c_cflag |= baud;
-    handle->if_attr.serial.newtio.c_cflag |= (CLOCAL | CREAD);
-    handle->if_attr.serial.newtio.c_cflag |= CRTSCTS;
-    /*No parity 8N1 */
-    handle->if_attr.serial.newtio.c_cflag |= CS8;
-
-    /* setting flow control*/
-    /* shut off xon/xoff ctrl */
-    handle->if_attr.serial.newtio.c_iflag &= ~(IXON | IXOFF | IXANY); 
-    handle->if_attr.serial.newtio.c_oflag = 0; /*&= ~OPOST;*/
-
-    /* no signaling chars, no echo, */
-    handle->if_attr.serial.newtio.c_cc[VTIME]    = 5;   /* inter-character timer */
-    handle->if_attr.serial.newtio.c_cc[VMIN]     = 250;  /* blocking read until 250 chars received */
-#ifdef DEBUG_SERIAL
-    DPRINT_INFO(WFA_OUT,"handle->if_attr.serial.newtio.c_cflag =%x\n",handle->if_attr.serial.newtio.c_cflag );
-#endif
-    /* clean the port*/
-    tcflush(fd, TCIFLUSH);
-    if(tcsetattr(fd, TCSANOW, &(handle->if_attr.serial.newtio)) != 0)
-    {
-        DPRINT_INFO(WFA_ERR,"error %d from tcsetattr", errno);
-        return WFA_ERROR;
-    }
-    return WFA_SUCCESS;
-}
-
-
-
-/**
-* @brief       Close serial port for communicaiton 
-*
-*
-* @param    t_ifaceHandle *handle, handle of the structure 
-*
-* @return   WFA_SUCCESS, WFA_ERROR.
-*/
-
-int wfaCloseSerial(t_ifaceHandle *handle)
-{
-#ifdef DEBUG_SERIAL
-    DPRINT_INFO(WFA_OUT,"%s \n",__func__);
-#endif
-    if((handle == NULL) )
-        return WFA_ERROR;
-
-    if (handle->if_attr.serial.fd <0) {
-       return -1;
-    }
-    /*restore back old settings*/
-    tcsetattr(handle->if_attr.serial.fd ,TCSANOW,&handle->if_attr.serial.oldtio);
-    close(handle->if_attr.serial.fd );
-
-    handle->if_attr.serial.fd = -1;
-    return WFA_SUCCESS;
-}
-
-
-/**
-* @brief       Send data over serial port 
-*
-*
-* @param    t_ifaceHandle *handle, handle of the structure 
-* @param    char *buffer  buffer to be sent
-* @param    int bufferLen  length of the buffer to be sent
-*
-* @return   WFA_SUCCESS, WFA_ERROR.
-*/
-
-int wfaSerialSend(t_ifaceHandle *handle, char *buffer, int bufferLen)
-{
-#ifdef DEBUG_SERIAL
-    DPRINT_INFO(WFA_OUT,"%s \n",__func__);
-#endif
-    if((handle == NULL) || (buffer == NULL))
-        return WFA_ERROR; //ERROR_NULL_POINTER;
-
-    if (handle->if_attr.serial.fd<0) {
-       return -1;
-    }
-
-    /*send the buffer serial port*/
-    write(handle->if_attr.serial.fd, buffer, bufferLen);
-    /* 100 micro sec per char in case of 115200 baud*/
-    usleep((bufferLen + 25) *200);  
-    return WFA_SUCCESS;
-}
-
-
-/**
-* @brief       Receive data over serial port 
-*
-*
-*
-* @param    t_ifaceHandle *handle, handle of the structure 
-* @param    char *buffer  buffer for recv data
-* @param    int bufferLen  size of the receive data buffer
-*
-* @return   WFA_SUCCESS, WFA_ERROR.
-*/
-
-int wfaSerialRecv(t_ifaceHandle *handle, char *buffer, int bufferLen, int *recevLen)
-{
-    int numByte = 0;
-    int byteLeft = 0;
-    int bytes;
-    unsigned int delayUs = 0;
-
-#ifdef DEBUG_SERIAL
-        DPRINT_INFO(WFA_OUT,"%s \n",__func__);
-#endif
-
-    if(handle == NULL || buffer == NULL )
-    {   
-        DPRINT_INFO(WFA_ERR,"handle or buffer error \n");
-        return WFA_ERROR;
-    }
-
-    if (handle->if_attr.serial.fd<0) {
-        DPRINT_INFO(WFA_ERR,"Serial fd error\n");
-       return -1;
-    }
-    /* calculating delay to receive some byte, 200 
-    based on baud rate but at least 1000 usec*/
-    delayUs = (10000000 * 200) / handle->if_attr.serial.baudrate + 1000;
-    
-    
-    /*send the buffer serial port*/
-    byteLeft = bufferLen;
-    FD_ZERO(&handle->fds);
-    FD_SET(handle->if_attr.serial.fd, &handle->fds);
-    if (select(handle->if_attr.serial.fd+1, &handle->fds, NULL, NULL, &handle->timeout) > 0)
-    {
-        numByte = read(handle->if_attr.serial.fd, buffer, bufferLen);
-    }
-    else
-    {
-        numByte = -1;
-        DPRINT_INFO(WFA_ERR,"Timeout on serial read\n");
-    }
-    if(numByte < 0) {
-        DPRINT_INFO(WFA_ERR,"serial read fail\n");
-        *recevLen = numByte;
-        return WFA_ERROR;
-    }
-    if(byteLeft >= numByte)
-        byteLeft -= numByte;
-    else
-        byteLeft = 0;
-
-    while(byteLeft) {
-        wUSLEEP(delayUs);
-        ioctl(handle->if_attr.serial.fd, FIONREAD, &bytes);
-#ifdef DEBUG_SERIAL
-        DPRINT_INFO(WFA_OUT,"Bytes Availble %d \n",bytes);
-#endif
-        if(!bytes ) /* proceed if data still in buffer */
-           break;
-        numByte = read(handle->if_attr.serial.fd, &buffer[numByte], byteLeft);
-        if(byteLeft >= numByte)
-            byteLeft -= numByte;
-        else
-            byteLeft = 0;
-    }
-
-    *recevLen = bufferLen - byteLeft;
-#ifdef DEBUG_SERIAL
-    DPRINT_INFO(WFA_OUT,"Data receive %d \n",*recevLen);
-#endif
-    return WFA_SUCCESS;
-}
-
-
diff --git a/lib/wfa_sock.c b/lib/wfa_sock.c
index 0068ef8..0ac8af6 100644
--- a/lib/wfa_sock.c
+++ b/lib/wfa_sock.c
@@ -54,7 +54,7 @@
  * intput:   port -- TCP socket port to listen
  * return:   socket id;
  */
-int wfaCreateTCPServSock(char *devIface, unsigned short port)
+int wfaCreateTCPServSock(unsigned short port)
 {
     int sock;                        /* socket to create */
     struct sockaddr_in servAddr; /* Local address */
@@ -64,17 +64,12 @@
     if ((sock = wSOCKET(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
     {
         DPRINT_ERR(WFA_ERR, "createTCPServSock socket() failed");
-        return WFA_ERROR;
+        return WFA_FAILURE;
     }
 
     /* Construct local address structure */
     wMEMSET(&servAddr, 0, sizeof(servAddr));
-//    wfaGetifAddr(gnetIf, &servAddr);
-    if (wfaGetifAddr(devIface, &servAddr)== WFA_FAILURE) {
-        DPRINT_ERR(WFA_ERR, "Unable to find interface %s\n",devIface);
-        wCLOSE(sock);
-        return WFA_ERROR;
-    }
+    wfaGetifAddr(gnetIf, &servAddr);
     servAddr.sin_family = AF_INET;        /* Internet address family */
     servAddr.sin_port = htons(port);              /* Local port */
 
@@ -83,14 +78,14 @@
     if (wBIND(sock, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0)
     {
         DPRINT_ERR(WFA_ERR, "bind() failed");
-        return WFA_ERROR;
+        return WFA_FAILURE;
     }
 
     /* Mark the socket so it will listen for incoming connections */
     if (wLISTEN(sock, MAXPENDING) < 0)
     {
         DPRINT_ERR(WFA_ERR, "listen() failed");
-        return WFA_ERROR;
+        return WFA_FAILURE;
     }
 
     return sock;
@@ -157,18 +152,6 @@
     return mysock;
 }
 
-int wfaConnectTCPPeer(int mysock, char *daddr, int dport)
-{
-    struct sockaddr_in peerAddr;
-#if 0
-    wMEMSET(&peerAddr, 0, sizeof(peerAddr));
-    peerAddr.sin_family = AF_INET;                
-    inet_aton(daddr, &peerAddr.sin_addr);
-    peerAddr.sin_port   = htons(dport);    
-#endif
-    wCONNECT(mysock, (struct sockaddr *)&peerAddr, sizeof(peerAddr));
-    return mysock;
-}
 /*
  * acceptTCPConn(): handle and accept any incoming socket connection request.
  * input:        serSock -- the socket id to listen
@@ -360,7 +343,7 @@
 
     wCLOSE(fd);
 
-    return WFA_SUCCESS;
+    return WFA_FAILURE;
 }
 
 /*