drivers/staging/rtl8723bs/hal/rtl8723b_rxdesc.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  ******************************************************************************/
  15 #define _RTL8723B_REDESC_C_
  16
  17 #include <rtl8723b_hal.h>
  18
  19 static void process_rssi(struct adapter *padapter, union recv_frame *prframe)
  20 {
  21         struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
  22         struct signal_stat *signal_stat = &padapter->recvpriv.signal_strength_data;
  23
  24         /* DBG_8192C("process_rssi => pattrib->rssil(%d) signal_strength(%d)\n ", pattrib->RecvSignalPower, pattrib->signal_strength); */
  25         /* if (pRfd->Status.bPacketToSelf || pRfd->Status.bPacketBeacon) */
  26         {
  27                 if (signal_stat->update_req) {
  28                         signal_stat->total_num = 0;
  29                         signal_stat->total_val = 0;
  30                         signal_stat->update_req = 0;
  31                 }
  32
  33                 signal_stat->total_num++;
  34                 signal_stat->total_val  += pattrib->phy_info.SignalStrength;
  35                 signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
  36         }
  37
  38 } /*  Process_UI_RSSI_8192C */
  39
  40 static void process_link_qual(struct adapter *padapter, union recv_frame *prframe)
  41 {
  42         struct rx_pkt_attrib *pattrib;
  43         struct signal_stat *signal_stat;
  44
  45         if (prframe == NULL || padapter == NULL)
  46                 return;
  47
  48         pattrib = &prframe->u.hdr.attrib;
  49         signal_stat = &padapter->recvpriv.signal_qual_data;
  50
  51         /* DBG_8192C("process_link_qual => pattrib->signal_qual(%d)\n ", pattrib->signal_qual); */
  52
  53         if (signal_stat->update_req) {
  54                 signal_stat->total_num = 0;
  55                 signal_stat->total_val = 0;
  56                 signal_stat->update_req = 0;
  57         }
  58
  59         signal_stat->total_num++;
  60         signal_stat->total_val  += pattrib->phy_info.SignalQuality;
  61         signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
  62 } /*  Process_UiLinkQuality8192S */
  63
  64
  65 void rtl8723b_process_phy_info(struct adapter *padapter, void *prframe)
  66 {
  67         union recv_frame *precvframe = prframe;
  68         /*  */
  69         /*  Check RSSI */
  70         /*  */
  71         process_rssi(padapter, precvframe);
  72         /*  */
  73         /*  Check PWDB. */
  74         /*  */
  75         /* process_PWDB(padapter, precvframe); */
  76
  77         /* UpdateRxSignalStatistics8192C(Adapter, pRfd); */
  78         /*  */
  79         /*  Check EVM */
  80         /*  */
  81         process_link_qual(padapter,  precvframe);
  82         #ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
  83         rtw_store_phy_info(padapter, prframe);
  84         #endif
  85
  86 }