1 files changed, 0 insertions, 249 deletions
diff --git a/drivers/staging/rtlwifi/stats.c b/drivers/staging/rtlwifi/stats.c
deleted file mode 100644
index 149b665a0e5c..000000000000
--- a/drivers/staging/rtlwifi/stats.c
+++ /dev/null
@@ -1,249 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/******************************************************************************
- *
- * Copyright(c) 2009-2012  Realtek Corporation.
- *
- * 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(s8 antpower)
-{
-	if ((antpower <= -100) || (antpower >= 20))
-		return 0;
-	else if (antpower >= 0)
-		return 100;
-	else
-		return 100 + antpower;
-}
-
-u8 rtl_evm_db_to_percentage(s8 value)
-{
-	s8 ret_val = clamp(-value, 0, 33) * 3;
-
-	if (ret_val == 99)
-		ret_val = 100;
-
-	return ret_val;
-}
-
-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;
-}
-
-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);
-}