rtlwifi: rtl8192cu: Add routine mac
authorGeorge <george0505@realtek.com>
Sat, 19 Feb 2011 22:29:27 +0000 (16:29 -0600)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 21 Feb 2011 20:39:58 +0000 (15:39 -0500)
Add the routine rtlwifi/rtl8192cu/hw.c.

Signed-off-by: George <george0505@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rtlwifi/rtl8192cu/mac.c [new file with mode: 0644]

diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
new file mode 100644 (file)
index 0000000..f8514cb
--- /dev/null
@@ -0,0 +1,1144 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010  Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+****************************************************************************/
+#include <linux/module.h>
+
+#include "../wifi.h"
+#include "../pci.h"
+#include "../usb.h"
+#include "../ps.h"
+#include "../cam.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "rf.h"
+#include "dm.h"
+#include "mac.h"
+#include "trx.h"
+
+/* macro to shorten lines */
+
+#define LINK_Q ui_link_quality
+#define RX_EVM rx_evm_percentage
+#define RX_SIGQ        rx_mimo_signalquality
+
+
+void rtl92c_read_chip_version(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+       enum version_8192c chip_version = VERSION_UNKNOWN;
+       u32 value32;
+
+       value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG);
+       if (value32 & TRP_VAUX_EN) {
+               chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C :
+                              VERSION_TEST_CHIP_88C;
+       } else {
+               /* Normal mass production chip. */
+               chip_version = NORMAL_CHIP;
+               chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0);
+               chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0);
+               /* RTL8723 with BT function. */
+               chip_version |= ((value32 & BT_FUNC) ? CHIP_8723 : 0);
+               if (IS_VENDOR_UMC(chip_version))
+                       chip_version |= ((value32 & CHIP_VER_RTL_MASK) ?
+                                        CHIP_VENDOR_UMC_B_CUT : 0);
+               if (IS_92C_SERIAL(chip_version)) {
+                       value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM);
+                       chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) ==
+                                CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0);
+               } else if (IS_8723_SERIES(chip_version)) {
+                       value32 = rtl_read_dword(rtlpriv, REG_GPIO_OUTSTS);
+                       chip_version |= ((value32 & RF_RL_ID) ?
+                                         CHIP_8723_DRV_REV : 0);
+               }
+       }
+       rtlhal->version  = (enum version_8192c)chip_version;
+       switch (rtlhal->version) {
+       case VERSION_NORMAL_TSMC_CHIP_92C_1T2R:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                ("Chip Version ID: VERSION_B_CHIP_92C.\n"));
+               break;
+       case VERSION_NORMAL_TSMC_CHIP_92C:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_92C.\n"));
+               break;
+       case VERSION_NORMAL_TSMC_CHIP_88C:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_TSMC_CHIP_88C.\n"));
+               break;
+       case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_i"
+                       "92C_1T2R_A_CUT.\n"));
+               break;
+       case VERSION_NORMAL_UMC_CHIP_92C_A_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_UMC_CHIP_"
+                       "92C_A_CUT.\n"));
+               break;
+       case VERSION_NORMAL_UMC_CHIP_88C_A_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
+                       "_88C_A_CUT.\n"));
+               break;
+       case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
+                       "_92C_1T2R_B_CUT.\n"));
+               break;
+       case VERSION_NORMAL_UMC_CHIP_92C_B_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
+                       "_92C_B_CUT.\n"));
+               break;
+       case VERSION_NORMAL_UMC_CHIP_88C_B_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMAL_UMC_CHIP"
+                       "_88C_B_CUT.\n"));
+               break;
+       case VERSION_NORMA_UMC_CHIP_8723_1T1R_A_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMA_UMC_CHIP"
+                       "_8723_1T1R_A_CUT.\n"));
+               break;
+       case VERSION_NORMA_UMC_CHIP_8723_1T1R_B_CUT:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_NORMA_UMC_CHIP"
+                       "_8723_1T1R_B_CUT.\n"));
+               break;
+       case VERSION_TEST_CHIP_92C:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_TEST_CHIP_92C.\n"));
+               break;
+       case VERSION_TEST_CHIP_88C:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: VERSION_TEST_CHIP_88C.\n"));
+               break;
+       default:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                       ("Chip Version ID: ???????????????.\n"));
+               break;
+       }
+       if (IS_92C_SERIAL(rtlhal->version))
+               rtlphy->rf_type =
+                        (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R;
+       else
+               rtlphy->rf_type = RF_1T1R;
+       RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+                ("Chip RF Type: %s\n", (rtlphy->rf_type == RF_2T2R) ?
+                 "RF_2T2R" : "RF_1T1R"));
+       if (get_rf_type(rtlphy) == RF_1T1R)
+               rtlpriv->dm.rfpath_rxenable[0] = true;
+       else
+               rtlpriv->dm.rfpath_rxenable[0] =
+                   rtlpriv->dm.rfpath_rxenable[1] = true;
+       RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("VersionID = 0x%4x\n",
+                                               rtlhal->version));
+}
+
+/**
+ * writeLLT - LLT table write access
+ * @io: io callback
+ * @address: LLT logical address.
+ * @data: LLT data content
+ *
+ * Realtek hardware access function.
+ *
+ */
+bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       bool status = true;
+       long count = 0;
+       u32 value = _LLT_INIT_ADDR(address) |
+           _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS);
+
+       rtl_write_dword(rtlpriv, REG_LLT_INIT, value);
+       do {
+               value = rtl_read_dword(rtlpriv, REG_LLT_INIT);
+               if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value))
+                       break;
+               if (count > POLLING_LLT_THRESHOLD) {
+                       RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                                ("Failed to polling write LLT done at"
+                                " address %d! _LLT_OP_VALUE(%x)\n",
+                                address, _LLT_OP_VALUE(value)));
+                       status = false;
+                       break;
+               }
+       } while (++count);
+       return status;
+}
+/**
+ * rtl92c_init_LLT_table - Init LLT table
+ * @io: io callback
+ * @boundary:
+ *
+ * Realtek hardware access function.
+ *
+ */
+bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary)
+{
+       bool rst = true;
+       u32     i;
+
+       for (i = 0; i < (boundary - 1); i++) {
+               rst = rtl92c_llt_write(hw, i , i + 1);
+               if (true != rst) {
+                       printk(KERN_ERR "===> %s #1 fail\n", __func__);
+                       return rst;
+               }
+       }
+       /* end of list */
+       rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF);
+       if (true != rst) {
+               printk(KERN_ERR "===> %s #2 fail\n", __func__);
+               return rst;
+       }
+       /* Make the other pages as ring buffer
+        * This ring buffer is used as beacon buffer if we config this MAC
+        *  as two MAC transfer.
+        * Otherwise used as local loopback buffer.
+        */
+       for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) {
+               rst = rtl92c_llt_write(hw, i, (i + 1));
+               if (true != rst) {
+                       printk(KERN_ERR "===> %s #3 fail\n", __func__);
+                       return rst;
+               }
+       }
+       /* Let last entry point to the start entry of ring buffer */
+       rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary);
+       if (true != rst) {
+               printk(KERN_ERR "===> %s #4 fail\n", __func__);
+               return rst;
+       }
+       return rst;
+}
+void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index,
+                    u8 *p_macaddr, bool is_group, u8 enc_algo,
+                    bool is_wepkey, bool clear_all)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u8 *macaddr = p_macaddr;
+       u32 entry_id = 0;
+       bool is_pairwise = false;
+       static u8 cam_const_addr[4][6] = {
+               {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+               {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+               {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
+               {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
+       };
+       static u8 cam_const_broad[] = {
+               0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+       };
+
+       if (clear_all) {
+               u8 idx = 0;
+               u8 cam_offset = 0;
+               u8 clear_number = 5;
+
+               RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("clear_all\n"));
+               for (idx = 0; idx < clear_number; idx++) {
+                       rtl_cam_mark_invalid(hw, cam_offset + idx);
+                       rtl_cam_empty_entry(hw, cam_offset + idx);
+                       if (idx < 5) {
+                               memset(rtlpriv->sec.key_buf[idx], 0,
+                                      MAX_KEY_LEN);
+                               rtlpriv->sec.key_len[idx] = 0;
+                       }
+               }
+       } else {
+               switch (enc_algo) {
+               case WEP40_ENCRYPTION:
+                       enc_algo = CAM_WEP40;
+                       break;
+               case WEP104_ENCRYPTION:
+                       enc_algo = CAM_WEP104;
+                       break;
+               case TKIP_ENCRYPTION:
+                       enc_algo = CAM_TKIP;
+                       break;
+               case AESCCMP_ENCRYPTION:
+                       enc_algo = CAM_AES;
+                       break;
+               default:
+                       RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                               ("iillegal switch case\n"));
+                       enc_algo = CAM_TKIP;
+                       break;
+               }
+               if (is_wepkey || rtlpriv->sec.use_defaultkey) {
+                       macaddr = cam_const_addr[key_index];
+                       entry_id = key_index;
+               } else {
+                       if (is_group) {
+                               macaddr = cam_const_broad;
+                               entry_id = key_index;
+                       } else {
+                               key_index = PAIRWISE_KEYIDX;
+                               entry_id = CAM_PAIRWISE_KEY_POSITION;
+                               is_pairwise = true;
+                       }
+               }
+               if (rtlpriv->sec.key_len[key_index] == 0) {
+                       RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+                                ("delete one entry\n"));
+                       rtl_cam_delete_one_entry(hw, p_macaddr, entry_id);
+               } else {
+                       RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,
+                                ("The insert KEY length is %d\n",
+                                 rtlpriv->sec.key_len[PAIRWISE_KEYIDX]));
+                       RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,
+                                ("The insert KEY  is %x %x\n",
+                                 rtlpriv->sec.key_buf[0][0],
+                                 rtlpriv->sec.key_buf[0][1]));
+                       RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+                                ("add one entry\n"));
+                       if (is_pairwise) {
+                               RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD,
+                                             "Pairwiase Key content :",
+                                             rtlpriv->sec.pairwise_key,
+                                             rtlpriv->sec.
+                                             key_len[PAIRWISE_KEYIDX]);
+                               RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+                                        ("set Pairwiase key\n"));
+
+                               rtl_cam_add_one_entry(hw, macaddr, key_index,
+                                               entry_id, enc_algo,
+                                               CAM_CONFIG_NO_USEDK,
+                                               rtlpriv->sec.
+                                               key_buf[key_index]);
+                       } else {
+                               RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+                                        ("set group key\n"));
+                               if (mac->opmode == NL80211_IFTYPE_ADHOC) {
+                                       rtl_cam_add_one_entry(hw,
+                                               rtlefuse->dev_addr,
+                                               PAIRWISE_KEYIDX,
+                                               CAM_PAIRWISE_KEY_POSITION,
+                                               enc_algo,
+                                               CAM_CONFIG_NO_USEDK,
+                                               rtlpriv->sec.key_buf
+                                               [entry_id]);
+                               }
+                               rtl_cam_add_one_entry(hw, macaddr, key_index,
+                                               entry_id, enc_algo,
+                                               CAM_CONFIG_NO_USEDK,
+                                               rtlpriv->sec.key_buf[entry_id]);
+                       }
+               }
+       }
+}
+
+u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS);
+}
+
+void rtl92c_enable_interrupt(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       if (IS_HARDWARE_TYPE_8192CE(rtlhal)) {
+               rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] &
+                               0xFFFFFFFF);
+               rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] &
+                               0xFFFFFFFF);
+               rtlpci->irq_enabled = true;
+       } else {
+               rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] &
+                               0xFFFFFFFF);
+               rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] &
+                               0xFFFFFFFF);
+               rtlusb->irq_enabled = true;
+       }
+}
+
+void rtl92c_init_interrupt(struct ieee80211_hw *hw)
+{
+        rtl92c_enable_interrupt(hw);
+}
+
+void rtl92c_disable_interrupt(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED);
+       rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED);
+       if (IS_HARDWARE_TYPE_8192CE(rtlhal))
+               rtlpci->irq_enabled = false;
+       else if (IS_HARDWARE_TYPE_8192CU(rtlhal))
+               rtlusb->irq_enabled = false;
+}
+
+void rtl92c_set_qos(struct ieee80211_hw *hw, int aci)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       u32 u4b_ac_param;
+
+       rtl92c_dm_init_edca_turbo(hw);
+       u4b_ac_param = (u32) mac->ac[aci].aifs;
+       u4b_ac_param |=
+           ((u32) le16_to_cpu(mac->ac[aci].cw_min) & 0xF) <<
+           AC_PARAM_ECW_MIN_OFFSET;
+       u4b_ac_param |=
+           ((u32) le16_to_cpu(mac->ac[aci].cw_max) & 0xF) <<
+           AC_PARAM_ECW_MAX_OFFSET;
+       u4b_ac_param |= (u32) le16_to_cpu(mac->ac[aci].tx_op) <<
+                        AC_PARAM_TXOP_OFFSET;
+       RT_TRACE(rtlpriv, COMP_QOS, DBG_LOUD,
+                ("queue:%x, ac_param:%x\n", aci, u4b_ac_param));
+       switch (aci) {
+       case AC1_BK:
+               rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, u4b_ac_param);
+               break;
+       case AC0_BE:
+               rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, u4b_ac_param);
+               break;
+       case AC2_VI:
+               rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, u4b_ac_param);
+               break;
+       case AC3_VO:
+               rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, u4b_ac_param);
+               break;
+       default:
+               RT_ASSERT(false, ("invalid aci: %d !\n", aci));
+               break;
+       }
+}
+
+/*-------------------------------------------------------------------------
+ * HW MAC Address
+ *-------------------------------------------------------------------------*/
+void rtl92c_set_mac_addr(struct ieee80211_hw *hw, const u8 *addr)
+{
+       u32 i;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       for (i = 0 ; i < ETH_ALEN ; i++)
+               rtl_write_byte(rtlpriv, (REG_MACID + i), *(addr+i));
+
+       RT_TRACE(rtlpriv, COMP_CMD, DBG_DMESG, ("MAC Address: %02X-%02X-%02X-"
+               "%02X-%02X-%02X\n",
+               rtl_read_byte(rtlpriv, REG_MACID),
+               rtl_read_byte(rtlpriv, REG_MACID+1),
+               rtl_read_byte(rtlpriv, REG_MACID+2),
+               rtl_read_byte(rtlpriv, REG_MACID+3),
+               rtl_read_byte(rtlpriv, REG_MACID+4),
+               rtl_read_byte(rtlpriv, REG_MACID+5)));
+}
+
+void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size);
+}
+
+int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
+{
+       u8 value;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       switch (type) {
+       case NL80211_IFTYPE_UNSPECIFIED:
+               value = NT_NO_LINK;
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                       ("Set Network type to NO LINK!\n"));
+               break;
+       case NL80211_IFTYPE_ADHOC:
+               value = NT_LINK_AD_HOC;
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                       ("Set Network type to Ad Hoc!\n"));
+               break;
+       case NL80211_IFTYPE_STATION:
+               value = NT_LINK_AP;
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                       ("Set Network type to STA!\n"));
+               break;
+       case NL80211_IFTYPE_AP:
+               value = NT_AS_AP;
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                       ("Set Network type to AP!\n"));
+               break;
+       default:
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                       ("Network type %d not support!\n", type));
+               return -EOPNOTSUPP;
+       }
+       rtl_write_byte(rtlpriv, (REG_CR + 2), value);
+       return 0;
+}
+
+void rtl92c_init_network_type(struct ieee80211_hw *hw)
+{
+       rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED);
+}
+
+void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw)
+{
+       u16     value16;
+       u32     value32;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       /* Response Rate Set */
+       value32 = rtl_read_dword(rtlpriv, REG_RRSR);
+       value32 &= ~RATE_BITMAP_ALL;
+       value32 |= RATE_RRSR_CCK_ONLY_1M;
+       rtl_write_dword(rtlpriv, REG_RRSR, value32);
+       /* SIFS (used in NAV) */
+       value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10);
+       rtl_write_word(rtlpriv,  REG_SPEC_SIFS, value16);
+       /* Retry Limit */
+       value16 = _LRL(0x30) | _SRL(0x30);
+       rtl_write_dword(rtlpriv,  REG_RL, value16);
+}
+
+void rtl92c_init_rate_fallback(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       /* Set Data Auto Rate Fallback Retry Count register. */
+       rtl_write_dword(rtlpriv,  REG_DARFRC, 0x00000000);
+       rtl_write_dword(rtlpriv,  REG_DARFRC+4, 0x10080404);
+       rtl_write_dword(rtlpriv,  REG_RARFRC, 0x04030201);
+       rtl_write_dword(rtlpriv,  REG_RARFRC+4, 0x08070605);
+}
+
+static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs,
+                               u8 ctx_sifs)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs);
+       rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs);
+}
+
+static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs,
+                                u8 ctx_sifs)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs);
+       rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs);
+}
+
+void rtl92c_init_edca_param(struct ieee80211_hw *hw,
+                           u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs)
+{
+       /* sequence: VO, VI, BE, BK ==> the same as 92C hardware design.
+        * referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function.
+        */
+       u32 value;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       value = (u32)aifs;
+       value |= ((u32)cw_min & 0xF) << 8;
+       value |= ((u32)cw_max & 0xF) << 12;
+       value |= (u32)txop << 16;
+       /* 92C hardware register sequence is the same as queue number. */
+       rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value);
+}
+
+void rtl92c_init_edca(struct ieee80211_hw *hw)
+{
+       u16 value16;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       /* disable EDCCA count down, to reduce collison and retry */
+       value16 = rtl_read_word(rtlpriv, REG_RD_CTRL);
+       value16 |= DIS_EDCA_CNT_DWN;
+       rtl_write_word(rtlpriv, REG_RD_CTRL, value16);
+       /* Update SIFS timing.  ??????????
+        * pHalData->SifsTime = 0x0e0e0a0a; */
+       rtl92c_set_cck_sifs(hw, 0xa, 0xa);
+       rtl92c_set_ofdm_sifs(hw, 0xe, 0xe);
+       /* Set CCK/OFDM SIFS to be 10us. */
+       rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a);
+       rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010);
+       rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204);
+       rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004);
+       /* TXOP */
+       rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B);
+       rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F);
+       rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324);
+       rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226);
+       /* PIFS */
+       rtl_write_byte(rtlpriv, REG_PIFS, 0x1C);
+       /* AGGR BREAK TIME Register */
+       rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
+       rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040);
+       rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02);
+       rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02);
+}
+
+void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631);
+       rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
+       /* init AMPDU aggregation number, tuning for Tx's TP, */
+       rtl_write_word(rtlpriv, 0x4CA, 0x0708);
+}
+
+void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw, bool infra_mode)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF);
+}
+
+void rtl92c_init_rdg_setting(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF);
+       rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200);
+       rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05);
+}
+
+void rtl92c_init_retry_function(struct ieee80211_hw *hw)
+{
+       u8      value8;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL);
+       value8 |= EN_AMPDU_RTY_NEW;
+       rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8);
+       /* Set ACK timeout */
+       rtl_write_byte(rtlpriv, REG_ACKTO, 0x40);
+}
+
+void rtl92c_init_beacon_parameters(struct ieee80211_hw *hw,
+                                  enum version_8192c version)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+
+       rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x6404);/* ms */
+       rtl_write_byte(rtlpriv, REG_DRVERLYINT, DRIVER_EARLY_INT_TIME);/*ms*/
+       rtl_write_byte(rtlpriv, REG_BCNDMATIM, BCN_DMA_ATIME_INT_TIME);
+       if (IS_NORMAL_CHIP(rtlhal->version))
+               rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660F);
+       else
+               rtl_write_word(rtlpriv, REG_BCNTCFG, 0x66FF);
+}
+
+void rtl92c_disable_fast_edca(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0);
+}
+
+void rtl92c_set_min_space(struct ieee80211_hw *hw, bool is2T)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 value = is2T ? MAX_MSS_DENSITY_2T : MAX_MSS_DENSITY_1T;
+
+       rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, value);
+}
+
+u16 rtl92c_get_mgt_filter(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       return rtl_read_word(rtlpriv, REG_RXFLTMAP0);
+}
+
+void rtl92c_set_mgt_filter(struct ieee80211_hw *hw, u16 filter)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_word(rtlpriv, REG_RXFLTMAP0, filter);
+}
+
+u16 rtl92c_get_ctrl_filter(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       return rtl_read_word(rtlpriv, REG_RXFLTMAP1);
+}
+
+void rtl92c_set_ctrl_filter(struct ieee80211_hw *hw, u16 filter)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_word(rtlpriv, REG_RXFLTMAP1, filter);
+}
+
+u16 rtl92c_get_data_filter(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       return rtl_read_word(rtlpriv,  REG_RXFLTMAP2);
+}
+
+void rtl92c_set_data_filter(struct ieee80211_hw *hw, u16 filter)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtl_write_word(rtlpriv, REG_RXFLTMAP2, filter);
+}
+/*==============================================================*/
+
+static u8 _rtl92c_query_rxpwrpercentage(char antpower)
+{
+       if ((antpower <= -100) || (antpower >= 20))
+               return 0;
+       else if (antpower >= 0)
+               return 100;
+       else
+               return 100 + antpower;
+}
+
+static u8 _rtl92c_evm_db_to_percentage(char value)
+{
+       char ret_val;
+
+       ret_val = value;
+       if (ret_val >= 0)
+               ret_val = 0;
+       if (ret_val <= -33)
+               ret_val = -33;
+       ret_val = 0 - ret_val;
+       ret_val *= 3;
+       if (ret_val == 99)
+               ret_val = 100;
+       return ret_val;
+}
+
+static long _rtl92c_translate_todbm(struct ieee80211_hw *hw,
+                                    u8 signal_strength_index)
+{
+       long signal_power;
+
+       signal_power = (long)((signal_strength_index + 1) >> 1);
+       signal_power -= 95;
+       return signal_power;
+}
+
+static long _rtl92c_signal_scale_mapping(struct ieee80211_hw *hw,
+               long currsig)
+{
+       long retsig;
+
+       if (currsig >= 61 && currsig <= 100)
+               retsig = 90 + ((currsig - 60) / 4);
+       else if (currsig >= 41 && currsig <= 60)
+               retsig = 78 + ((currsig - 40) / 2);
+       else if (currsig >= 31 && currsig <= 40)
+               retsig = 66 + (currsig - 30);
+       else if (currsig >= 21 && currsig <= 30)
+               retsig = 54 + (currsig - 20);
+       else if (currsig >= 5 && currsig <= 20)
+               retsig = 42 + (((currsig - 5) * 2) / 3);
+       else if (currsig == 4)
+               retsig = 36;
+       else if (currsig == 3)
+               retsig = 27;
+       else if (currsig == 2)
+               retsig = 18;
+       else if (currsig == 1)
+               retsig = 9;
+       else
+               retsig = currsig;
+       return retsig;
+}
+
+static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw,
+                                     struct rtl_stats *pstats,
+                                     struct rx_desc_92c *pdesc,
+                                     struct rx_fwinfo_92c *p_drvinfo,
+                                     bool packet_match_bssid,
+                                     bool packet_toself,
+                                     bool packet_beacon)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct phy_sts_cck_8192s_t *cck_buf;
+       s8 rx_pwr_all = 0, rx_pwr[4];
+       u8 rf_rx_num = 0, evm, pwdb_all;
+       u8 i, max_spatial_stream;
+       u32 rssi, total_rssi = 0;
+       bool in_powersavemode = false;
+       bool is_cck_rate;
+
+       is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
+       pstats->packet_matchbssid = packet_match_bssid;
+       pstats->packet_toself = packet_toself;
+       pstats->is_cck = is_cck_rate;
+       pstats->packet_beacon = packet_beacon;
+       pstats->is_cck = is_cck_rate;
+       pstats->RX_SIGQ[0] = -1;
+       pstats->RX_SIGQ[1] = -1;
+       if (is_cck_rate) {
+               u8 report, cck_highpwr;
+               cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
+               if (!in_powersavemode)
+                       cck_highpwr = rtlphy->cck_high_power;
+               else
+                       cck_highpwr = false;
+               if (!cck_highpwr) {
+                       u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
+                       report = cck_buf->cck_agc_rpt & 0xc0;
+                       report = report >> 6;
+                       switch (report) {
+                       case 0x3:
+                               rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
+                               break;
+                       case 0x2:
+                               rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
+                               break;
+                       case 0x1:
+                               rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
+                               break;
+                       case 0x0:
+                               rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
+                               break;
+                       }
+               } else {
+                       u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
+                       report = p_drvinfo->cfosho[0] & 0x60;
+                       report = report >> 5;
+                       switch (report) {
+                       case 0x3:
+                               rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       case 0x2:
+                               rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       case 0x1:
+                               rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       case 0x0:
+                               rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       }
+               }
+               pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
+               pstats->rx_pwdb_all = pwdb_all;
+               pstats->recvsignalpower = rx_pwr_all;
+               if (packet_match_bssid) {
+                       u8 sq;
+                       if (pstats->rx_pwdb_all > 40)
+                               sq = 100;
+                       else {
+                               sq = cck_buf->sq_rpt;
+                               if (sq > 64)
+                                       sq = 0;
+                               else if (sq < 20)
+                                       sq = 100;
+                               else
+                                       sq = ((64 - sq) * 100) / 44;
+                       }
+                       pstats->signalquality = sq;
+                       pstats->RX_SIGQ[0] = sq;
+                       pstats->RX_SIGQ[1] = -1;
+               }
+       } else {
+               rtlpriv->dm.rfpath_rxenable[0] =
+                   rtlpriv->dm.rfpath_rxenable[1] = true;
+               for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
+                       if (rtlpriv->dm.rfpath_rxenable[i])
+                               rf_rx_num++;
+                       rx_pwr[i] =
+                           ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
+                       rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
+                       total_rssi += rssi;
+                       rtlpriv->stats.rx_snr_db[i] =
+                           (long)(p_drvinfo->rxsnr[i] / 2);
+
+                       if (packet_match_bssid)
+                               pstats->rx_mimo_signalstrength[i] = (u8) rssi;
+               }
+               rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
+               pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
+               pstats->rx_pwdb_all = pwdb_all;
+               pstats->rxpower = rx_pwr_all;
+               pstats->recvsignalpower = rx_pwr_all;
+               if (GET_RX_DESC_RX_MCS(pdesc) &&
+                   GET_RX_DESC_RX_MCS(pdesc) >= DESC92C_RATEMCS8 &&
+                   GET_RX_DESC_RX_MCS(pdesc) <= DESC92C_RATEMCS15)
+                       max_spatial_stream = 2;
+               else
+                       max_spatial_stream = 1;
+               for (i = 0; i < max_spatial_stream; i++) {
+                       evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
+                       if (packet_match_bssid) {
+                               if (i == 0)
+                                       pstats->signalquality =
+                                           (u8) (evm & 0xff);
+                               pstats->RX_SIGQ[i] =
+                                   (u8) (evm & 0xff);
+                       }
+               }
+       }
+       if (is_cck_rate)
+               pstats->signalstrength =
+                   (u8) (_rtl92c_signal_scale_mapping(hw, pwdb_all));
+       else if (rf_rx_num != 0)
+               pstats->signalstrength =
+                   (u8) (_rtl92c_signal_scale_mapping
+                         (hw, total_rssi /= rf_rx_num));
+}
+
+static void _rtl92c_process_ui_rssi(struct ieee80211_hw *hw,
+               struct rtl_stats *pstats)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       u8 rfpath;
+       u32 last_rssi, tmpval;
+
+       if (pstats->packet_toself || pstats->packet_beacon) {
+               rtlpriv->stats.rssi_calculate_cnt++;
+               if (rtlpriv->stats.ui_rssi.total_num++ >=
+                   PHY_RSSI_SLID_WIN_MAX) {
+                       rtlpriv->stats.ui_rssi.total_num =
+                           PHY_RSSI_SLID_WIN_MAX;
+                       last_rssi =
+                           rtlpriv->stats.ui_rssi.elements[rtlpriv->
+                                                          stats.ui_rssi.index];
+                       rtlpriv->stats.ui_rssi.total_val -= last_rssi;
+               }
+               rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
+               rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.
+                                       index++] = pstats->signalstrength;
+               if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
+                       rtlpriv->stats.ui_rssi.index = 0;
+               tmpval = rtlpriv->stats.ui_rssi.total_val /
+                   rtlpriv->stats.ui_rssi.total_num;
+               rtlpriv->stats.signal_strength =
+                   _rtl92c_translate_todbm(hw, (u8) tmpval);
+               pstats->rssi = rtlpriv->stats.signal_strength;
+       }
+       if (!pstats->is_cck && pstats->packet_toself) {
+               for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
+                    rfpath++) {
+                       if (!rtl8192_phy_check_is_legal_rfpath(hw, rfpath))
+                               continue;
+                       if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
+                               rtlpriv->stats.rx_rssi_percentage[rfpath] =
+                                   pstats->rx_mimo_signalstrength[rfpath];
+                       }
+                       if (pstats->rx_mimo_signalstrength[rfpath] >
+                           rtlpriv->stats.rx_rssi_percentage[rfpath]) {
+                               rtlpriv->stats.rx_rssi_percentage[rfpath] =
+                                   ((rtlpriv->stats.
+                                     rx_rssi_percentage[rfpath] *
+                                     (RX_SMOOTH_FACTOR - 1)) +
+                                    (pstats->rx_mimo_signalstrength[rfpath])) /
+                                   (RX_SMOOTH_FACTOR);
+
+                               rtlpriv->stats.rx_rssi_percentage[rfpath] =
+                                   rtlpriv->stats.rx_rssi_percentage[rfpath] +
+                                   1;
+                       } else {
+                               rtlpriv->stats.rx_rssi_percentage[rfpath] =
+                                   ((rtlpriv->stats.
+                                     rx_rssi_percentage[rfpath] *
+                                     (RX_SMOOTH_FACTOR - 1)) +
+                                    (pstats->rx_mimo_signalstrength[rfpath])) /
+                                   (RX_SMOOTH_FACTOR);
+                       }
+               }
+       }
+}
+
+static void _rtl92c_update_rxsignalstatistics(struct ieee80211_hw *hw,
+                                              struct rtl_stats *pstats)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       int weighting = 0;
+
+       if (rtlpriv->stats.recv_signal_power == 0)
+               rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
+       if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
+               weighting = 5;
+       else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
+               weighting = (-5);
+       rtlpriv->stats.recv_signal_power =
+           (rtlpriv->stats.recv_signal_power * 5 +
+            pstats->recvsignalpower + weighting) / 6;
+}
+
+static void _rtl92c_process_pwdb(struct ieee80211_hw *hw,
+               struct rtl_stats *pstats)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       long undecorated_smoothed_pwdb = 0;
+
+       if (mac->opmode == NL80211_IFTYPE_ADHOC) {
+               return;
+       } else {
+               undecorated_smoothed_pwdb =
+                   rtlpriv->dm.undecorated_smoothed_pwdb;
+       }
+       if (pstats->packet_toself || pstats->packet_beacon) {
+               if (undecorated_smoothed_pwdb < 0)
+                       undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
+               if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
+                       undecorated_smoothed_pwdb =
+                           (((undecorated_smoothed_pwdb) *
+                             (RX_SMOOTH_FACTOR - 1)) +
+                            (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
+                       undecorated_smoothed_pwdb = undecorated_smoothed_pwdb
+                           + 1;
+               } else {
+                       undecorated_smoothed_pwdb =
+                           (((undecorated_smoothed_pwdb) *
+                             (RX_SMOOTH_FACTOR - 1)) +
+                            (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
+               }
+               rtlpriv->dm.undecorated_smoothed_pwdb =
+                   undecorated_smoothed_pwdb;
+               _rtl92c_update_rxsignalstatistics(hw, pstats);
+       }
+}
+
+static void _rtl92c_process_LINK_Q(struct ieee80211_hw *hw,
+                                            struct rtl_stats *pstats)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u32 last_evm = 0, n_stream, tmpval;
+
+       if (pstats->signalquality != 0) {
+               if (pstats->packet_toself || pstats->packet_beacon) {
+                       if (rtlpriv->stats.LINK_Q.total_num++ >=
+                           PHY_LINKQUALITY_SLID_WIN_MAX) {
+                               rtlpriv->stats.LINK_Q.total_num =
+                                   PHY_LINKQUALITY_SLID_WIN_MAX;
+                               last_evm =
+                                   rtlpriv->stats.LINK_Q.elements
+                                   [rtlpriv->stats.LINK_Q.index];
+                               rtlpriv->stats.LINK_Q.total_val -=
+                                   last_evm;
+                       }
+                       rtlpriv->stats.LINK_Q.total_val +=
+                           pstats->signalquality;
+                       rtlpriv->stats.LINK_Q.elements
+                          [rtlpriv->stats.LINK_Q.index++] =
+                           pstats->signalquality;
+                       if (rtlpriv->stats.LINK_Q.index >=
+                           PHY_LINKQUALITY_SLID_WIN_MAX)
+                               rtlpriv->stats.LINK_Q.index = 0;
+                       tmpval = rtlpriv->stats.LINK_Q.total_val /
+                           rtlpriv->stats.LINK_Q.total_num;
+                       rtlpriv->stats.signal_quality = tmpval;
+                       rtlpriv->stats.last_sigstrength_inpercent = tmpval;
+                       for (n_stream = 0; n_stream < 2;
+                            n_stream++) {
+                               if (pstats->RX_SIGQ[n_stream] != -1) {
+                                       if (!rtlpriv->stats.RX_EVM[n_stream]) {
+                                               rtlpriv->stats.RX_EVM[n_stream]
+                                                = pstats->RX_SIGQ[n_stream];
+                                       }
+                                       rtlpriv->stats.RX_EVM[n_stream] =
+                                           ((rtlpriv->stats.RX_EVM
+                                           [n_stream] *
+                                           (RX_SMOOTH_FACTOR - 1)) +
+                                           (pstats->RX_SIGQ
+                                           [n_stream] * 1)) /
+                                           (RX_SMOOTH_FACTOR);
+                               }
+                       }
+               }
+       } else {
+               ;
+       }
+}
+
+static void _rtl92c_process_phyinfo(struct ieee80211_hw *hw,
+                                    u8 *buffer,
+                                    struct rtl_stats *pcurrent_stats)
+{
+       if (!pcurrent_stats->packet_matchbssid &&
+           !pcurrent_stats->packet_beacon)
+               return;
+       _rtl92c_process_ui_rssi(hw, pcurrent_stats);
+       _rtl92c_process_pwdb(hw, pcurrent_stats);
+       _rtl92c_process_LINK_Q(hw, pcurrent_stats);
+}
+
+void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw,
+                                              struct sk_buff *skb,
+                                              struct rtl_stats *pstats,
+                                              struct rx_desc_92c *pdesc,
+                                              struct rx_fwinfo_92c *p_drvinfo)
+{
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       struct ieee80211_hdr *hdr;
+       u8 *tmp_buf;
+       u8 *praddr;
+       u8 *psaddr;
+       __le16 fc;
+       u16 type, cpu_fc;
+       bool packet_matchbssid, packet_toself, packet_beacon;
+
+       tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
+       hdr = (struct ieee80211_hdr *)tmp_buf;
+       fc = hdr->frame_control;
+       cpu_fc = le16_to_cpu(fc);
+       type = WLAN_FC_GET_TYPE(fc);
+       praddr = hdr->addr1;
+       psaddr = hdr->addr2;
+       packet_matchbssid =
+           ((IEEE80211_FTYPE_CTL != type) &&
+            (!compare_ether_addr(mac->bssid,
+                         (cpu_fc & IEEE80211_FCTL_TODS) ?
+                         hdr->addr1 : (cpu_fc & IEEE80211_FCTL_FROMDS) ?
+                         hdr->addr2 : hdr->addr3)) &&
+            (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
+
+       packet_toself = packet_matchbssid &&
+           (!compare_ether_addr(praddr, rtlefuse->dev_addr));
+       if (ieee80211_is_beacon(fc))
+               packet_beacon = true;
+       _rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
+                                  packet_matchbssid, packet_toself,
+                                  packet_beacon);
+       _rtl92c_process_phyinfo(hw, tmp_buf, pstats);
+}