drivers/staging/rtlwifi/phydm/phydm_edcaturbocheck.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2016  Realtek Corporation.
   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  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 /* ************************************************************
  27  * include files
  28  * *************************************************************/
  29 #include "mp_precomp.h"
  30 #include "phydm_precomp.h"
  31
  32 void odm_edca_turbo_init(void *dm_void)
  33 {
  34         struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void;
  35
  36         dm->dm_edca_table.is_current_turbo_edca = false;
  37         dm->dm_edca_table.is_cur_rdl_state = false;
  38
  39         ODM_RT_TRACE(dm, ODM_COMP_EDCA_TURBO, "Orginial VO PARAM: 0x%x\n",
  40                      odm_read_4byte(dm, ODM_EDCA_VO_PARAM));
  41         ODM_RT_TRACE(dm, ODM_COMP_EDCA_TURBO, "Orginial VI PARAM: 0x%x\n",
  42                      odm_read_4byte(dm, ODM_EDCA_VI_PARAM));
  43         ODM_RT_TRACE(dm, ODM_COMP_EDCA_TURBO, "Orginial BE PARAM: 0x%x\n",
  44                      odm_read_4byte(dm, ODM_EDCA_BE_PARAM));
  45         ODM_RT_TRACE(dm, ODM_COMP_EDCA_TURBO, "Orginial BK PARAM: 0x%x\n",
  46                      odm_read_4byte(dm, ODM_EDCA_BK_PARAM));
  47
  48 } /* ODM_InitEdcaTurbo */
  49
  50 void odm_edca_turbo_check(void *dm_void)
  51 {
  52         /* For AP/ADSL use struct rtl8192cd_priv* */
  53         /* For CE/NIC use struct void* */
  54
  55         /* 2011/09/29 MH In HW integration first stage, we provide 4 different
  56          * handle to operate at the same time.
  57          * In the stage2/3, we need to prive universal interface and merge all
  58          * HW dynamic mechanism.
  59          */
  60         struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void;
  61
  62         ODM_RT_TRACE(dm, ODM_COMP_EDCA_TURBO,
  63                      "%s========================>\n", __func__);
  64
  65         if (!(dm->support_ability & ODM_MAC_EDCA_TURBO))
  66                 return;
  67
  68         switch (dm->support_platform) {
  69         case ODM_WIN:
  70
  71                 break;
  72
  73         case ODM_CE:
  74                 odm_edca_turbo_check_ce(dm);
  75                 break;
  76         }
  77         ODM_RT_TRACE(dm, ODM_COMP_EDCA_TURBO,
  78                      "<========================%s\n", __func__);
  79
  80 } /* odm_CheckEdcaTurbo */
  81
  82 void odm_edca_turbo_check_ce(void *dm_void)
  83 {
  84         struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void;
  85         struct rtl_priv *rtlpriv = (struct rtl_priv *)dm->adapter;
  86         u64 cur_txok_cnt = 0;
  87         u64 cur_rxok_cnt = 0;
  88         u32 edca_be_ul = 0x5ea42b;
  89         u32 edca_be_dl = 0x5ea42b;
  90         u32 edca_be = 0x5ea42b;
  91         bool is_cur_rdlstate;
  92         bool edca_turbo_on = false;
  93
  94         if (dm->wifi_test)
  95                 return;
  96
  97         if (!dm->is_linked) {
  98                 rtlpriv->dm.is_any_nonbepkts = false;
  99                 return;
 100         }
 101
 102         if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100)
 103                 rtlpriv->dm.is_any_nonbepkts = true;
 104         rtlpriv->dm.dbginfo.num_non_be_pkt = 0;
 105
 106         cur_txok_cnt = rtlpriv->stats.txbytesunicast_inperiod;
 107         cur_rxok_cnt = rtlpriv->stats.rxbytesunicast_inperiod;
 108
 109         /*b_bias_on_rx = false;*/
 110         edca_turbo_on = ((!rtlpriv->dm.is_any_nonbepkts) &&
 111                          (!rtlpriv->dm.disable_framebursting)) ?
 112                                 true :
 113                                 false;
 114
 115         if (rtlpriv->mac80211.mode == WIRELESS_MODE_B)
 116                 goto label_exit;
 117
 118         if (edca_turbo_on) {
 119                 is_cur_rdlstate =
 120                         (cur_rxok_cnt > cur_txok_cnt * 4) ? true : false;
 121
 122                 edca_be = is_cur_rdlstate ? edca_be_dl : edca_be_ul;
 123                 rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM_8822B, edca_be);
 124                 rtlpriv->dm.is_cur_rdlstate = is_cur_rdlstate;
 125                 rtlpriv->dm.current_turbo_edca = true;
 126         } else {
 127                 if (rtlpriv->dm.current_turbo_edca) {
 128                         u8 tmp = AC0_BE;
 129
 130                         rtlpriv->cfg->ops->set_hw_reg(rtlpriv->hw,
 131                                                       HW_VAR_AC_PARAM,
 132                                                       (u8 *)(&tmp));
 133                         rtlpriv->dm.current_turbo_edca = false;
 134                 }
 135         }
 136
 137 label_exit:
 138         rtlpriv->dm.is_any_nonbepkts = false;
 139 }