int sta2sta_data_frame(struct adapter *adapter, struct recv_frame *precv_frame,
                       struct sta_info **psta)
 {
-       u8 *ptr = precv_frame->rx_data;
        int ret = _SUCCESS;
        struct rx_pkt_attrib *pattrib = &precv_frame->attrib;
        struct  sta_priv *pstapriv = &adapter->stapriv;
 
                        sta_addr = pattrib->src;
                }
-       } else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
-               memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
-               memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
-               memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
-               memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
-               memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
-
-               sta_addr = mybssid;
        } else {
                ret  = _FAIL;
        }
                        ret = RTW_RX_HANDLED;
                        goto exit;
                }
-       } else if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == true) &&
-                  (check_fwstate(pmlmepriv, _FW_LINKED) == true)) {
-               memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
-               memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
-               memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
-               memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
-               memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
-
-               /*  */
-               memcpy(pattrib->bssid,  mybssid, ETH_ALEN);
-
-               *psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /*  get sta_info */
-               if (*psta == NULL) {
-                       RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under MP_MODE ; drop pkt\n"));
-                       ret = _FAIL;
-                       goto exit;
-               }
        } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
                /* Special case */
                ret = RTW_RX_HANDLED;
        u8      *psnap_type;
        struct ieee80211_snap_hdr       *psnap;
 
-       struct adapter          *adapter = precvframe->adapter;
-       struct mlme_priv        *pmlmepriv = &adapter->mlmepriv;
        u8 *ptr = precvframe->rx_data;
        struct rx_pkt_attrib *pattrib = &precvframe->attrib;
 
        eth_type = ntohs(be_tmp); /* pattrib->ether_type */
        pattrib->eth_type = eth_type;
 
-       if ((check_fwstate(pmlmepriv, WIFI_MP_STATE))) {
-               ptr += rmv_len;
-               *ptr = 0x87;
-               *(ptr+1) = 0x12;
-
-               eth_type = 0x8712;
-               /*  append rx status for mp test packets */
-               ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr)+2)-24);
-               memcpy(ptr, get_rxmem(precvframe), 24);
-               ptr += 24;
-       } else {
-               ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
-       }
+       ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
 
        memcpy(ptr, pattrib->dst, ETH_ALEN);
        memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN);
 
 #define        WIFI_STA_ALIVE_CHK_STATE        0x00000400
 #define        WIFI_SITE_MONITOR               0x00000800      /* to indicate the station is under site surveying */
 
-#define        WIFI_MP_STATE                   0x00010000
-#define        WIFI_MP_CTX_BACKGROUND          0x00020000      /*  in continuous tx background */
-#define        WIFI_MP_CTX_ST                  0x00040000      /*  in continuous tx with single-tone */
-#define        WIFI_MP_CTX_BACKGROUND_PENDING  0x00080000      /*  pending in continuous tx background due to out of skb */
-#define        WIFI_MP_CTX_CCK_HW              0x00100000      /*  in continuous tx */
-#define        WIFI_MP_CTX_CCK_CS              0x00200000      /*  in continuous tx with carrier suppression */
-#define WIFI_MP_LPBK_STATE             0x00400000
-
 #define _FW_UNDER_LINKING      WIFI_UNDER_LINKING
 #define _FW_LINKED                     WIFI_ASOC_STATE
 #define _FW_UNDER_SURVEY       WIFI_SITE_MONITOR
 
                struct sta_info *psta, *pbcmc_sta;
                struct sta_priv *pstapriv = &padapter->stapriv;
 
-               if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE)) { /* sta mode */
+               if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { /* sta mode */
                        psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
                        if (!psta) {
                                ;
 
        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_wx_set_scan\n"));
 
-       if (padapter->registrypriv.mp_mode == 1) {
-               if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
-                       ret = -1;
-                       goto exit;
-               }
-       }
        if (_FAIL == rtw_pwr_wakeup(padapter)) {
                ret = -1;
                goto exit;