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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/net/wireless/rtlwifi/stats.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/net/wireless/rtlwifi/stats.c')
-rw-r--r--drivers/net/wireless/rtlwifi/stats.c268
1 files changed, 0 insertions, 268 deletions
diff --git a/drivers/net/wireless/rtlwifi/stats.c b/drivers/net/wireless/rtlwifi/stats.c
deleted file mode 100644
index d8b30690b..000000000
--- a/drivers/net/wireless/rtlwifi/stats.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2009-2012 Realtek Corporation.
- *
- * 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.
- *
- * 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 "wifi.h"
-#include "stats.h"
-#include <linux/export.h>
-
-u8 rtl_query_rxpwrpercentage(char antpower)
-{
- if ((antpower <= -100) || (antpower >= 20))
- return 0;
- else if (antpower >= 0)
- return 100;
- else
- return 100 + antpower;
-}
-EXPORT_SYMBOL(rtl_query_rxpwrpercentage);
-
-u8 rtl_evm_db_to_percentage(char value)
-{
- char ret_val = clamp(-value, 0, 33) * 3;
-
- if (ret_val == 99)
- ret_val = 100;
-
- return ret_val;
-}
-EXPORT_SYMBOL(rtl_evm_db_to_percentage);
-
-static long rtl_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;
-}
-
-long rtl_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;
-}
-EXPORT_SYMBOL(rtl_signal_scale_mapping);
-
-static void rtl_process_ui_rssi(struct ieee80211_hw *hw,
- struct rtl_stats *pstatus)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_phy *rtlphy = &(rtlpriv->phy);
- u8 rfpath;
- u32 last_rssi, tmpval;
-
- if (!pstatus->packet_toself && !pstatus->packet_beacon)
- return;
-
- rtlpriv->stats.pwdb_all_cnt += pstatus->rx_pwdb_all;
- 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 += pstatus->signalstrength;
- rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++] =
- pstatus->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 = rtl_translate_todbm(hw,
- (u8) tmpval);
- pstatus->rssi = rtlpriv->stats.signal_strength;
-
- if (pstatus->is_cck)
- return;
-
- for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
- rfpath++) {
- if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
- rtlpriv->stats.rx_rssi_percentage[rfpath] =
- pstatus->rx_mimo_signalstrength[rfpath];
-
- }
- if (pstatus->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)) +
- (pstatus->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)) +
- (pstatus->rx_mimo_signalstrength[rfpath])) /
- (RX_SMOOTH_FACTOR);
- }
- rtlpriv->stats.rx_snr_db[rfpath] = pstatus->rx_snr[rfpath];
- rtlpriv->stats.rx_evm_dbm[rfpath] =
- pstatus->rx_mimo_evm_dbm[rfpath];
- rtlpriv->stats.rx_cfo_short[rfpath] =
- pstatus->cfo_short[rfpath];
- rtlpriv->stats.rx_cfo_tail[rfpath] = pstatus->cfo_tail[rfpath];
- }
-}
-
-static void rtl_update_rxsignalstatistics(struct ieee80211_hw *hw,
- struct rtl_stats *pstatus)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- int weighting = 0;
-
- if (rtlpriv->stats.recv_signal_power == 0)
- rtlpriv->stats.recv_signal_power = pstatus->recvsignalpower;
- if (pstatus->recvsignalpower > rtlpriv->stats.recv_signal_power)
- weighting = 5;
- else if (pstatus->recvsignalpower < rtlpriv->stats.recv_signal_power)
- weighting = (-5);
- rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power *
- 5 + pstatus->recvsignalpower + weighting) / 6;
-}
-
-static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_sta_info *drv_priv = NULL;
- struct ieee80211_sta *sta = NULL;
- long undec_sm_pwdb;
-
- rcu_read_lock();
- if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
- sta = rtl_find_sta(hw, pstatus->psaddr);
-
- /* adhoc or ap mode */
- if (sta) {
- drv_priv = (struct rtl_sta_info *) sta->drv_priv;
- undec_sm_pwdb = drv_priv->rssi_stat.undec_sm_pwdb;
- } else {
- undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
- }
-
- if (undec_sm_pwdb < 0)
- undec_sm_pwdb = pstatus->rx_pwdb_all;
- if (pstatus->rx_pwdb_all > (u32) undec_sm_pwdb) {
- undec_sm_pwdb = (((undec_sm_pwdb) *
- (RX_SMOOTH_FACTOR - 1)) +
- (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
- undec_sm_pwdb = undec_sm_pwdb + 1;
- } else {
- undec_sm_pwdb = (((undec_sm_pwdb) *
- (RX_SMOOTH_FACTOR - 1)) +
- (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
- }
-
- if (sta) {
- drv_priv->rssi_stat.undec_sm_pwdb = undec_sm_pwdb;
- } else {
- rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
- }
- rcu_read_unlock();
-
- rtl_update_rxsignalstatistics(hw, pstatus);
-}
-
-static void rtl_process_ui_link_quality(struct ieee80211_hw *hw,
- struct rtl_stats *pstatus)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u32 last_evm, n_stream, tmpval;
-
- if (pstatus->signalquality == 0)
- return;
-
- if (rtlpriv->stats.ui_link_quality.total_num++ >=
- PHY_LINKQUALITY_SLID_WIN_MAX) {
- rtlpriv->stats.ui_link_quality.total_num =
- PHY_LINKQUALITY_SLID_WIN_MAX;
- last_evm = rtlpriv->stats.ui_link_quality.elements[
- rtlpriv->stats.ui_link_quality.index];
- rtlpriv->stats.ui_link_quality.total_val -= last_evm;
- }
- rtlpriv->stats.ui_link_quality.total_val += pstatus->signalquality;
- rtlpriv->stats.ui_link_quality.elements[
- rtlpriv->stats.ui_link_quality.index++] =
- pstatus->signalquality;
- if (rtlpriv->stats.ui_link_quality.index >=
- PHY_LINKQUALITY_SLID_WIN_MAX)
- rtlpriv->stats.ui_link_quality.index = 0;
- tmpval = rtlpriv->stats.ui_link_quality.total_val /
- rtlpriv->stats.ui_link_quality.total_num;
- rtlpriv->stats.signal_quality = tmpval;
- rtlpriv->stats.last_sigstrength_inpercent = tmpval;
- for (n_stream = 0; n_stream < 2; n_stream++) {
- if (pstatus->rx_mimo_sig_qual[n_stream] != -1) {
- if (rtlpriv->stats.rx_evm_percentage[n_stream] == 0) {
- rtlpriv->stats.rx_evm_percentage[n_stream] =
- pstatus->rx_mimo_sig_qual[n_stream];
- }
- rtlpriv->stats.rx_evm_percentage[n_stream] =
- ((rtlpriv->stats.rx_evm_percentage[n_stream]
- * (RX_SMOOTH_FACTOR - 1)) +
- (pstatus->rx_mimo_sig_qual[n_stream] * 1)) /
- (RX_SMOOTH_FACTOR);
- }
- }
-}
-
-void rtl_process_phyinfo(struct ieee80211_hw *hw, u8 *buffer,
- struct rtl_stats *pstatus)
-{
-
- if (!pstatus->packet_matchbssid)
- return;
-
- rtl_process_ui_rssi(hw, pstatus);
- rtl_process_pwdb(hw, pstatus);
- rtl_process_ui_link_quality(hw, pstatus);
-}
-EXPORT_SYMBOL(rtl_process_phyinfo);