diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/net/wireless/rtlwifi/stats.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (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.c | 268 |
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); |