* [PATCH V2 9/16] rtlwifi: rtl8192cu: Add routine mac
@ 2011-02-19 22:29 Larry Finger
0 siblings, 0 replies; only message in thread
From: Larry Finger @ 2011-02-19 22:29 UTC (permalink / raw
To: John W Linville; +Cc: george0505, chaoming_li, linux-wireless
From: George <george0505@realtek.com>
Add the routine rtlwifi/rtl8192cu/hw.c.
Signed-off-by: George <george0505@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
===================================================================
--- /dev/null
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
@@ -0,0 +1,1146 @@
+/******************************************************************************
+ *
+ * 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);
+}
+
+
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2011-02-19 22:29 [PATCH V2 9/16] rtlwifi: rtl8192cu: Add routine mac Larry Finger
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