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提交 5952bd80 编写于 作者: L Larry Finger 提交者： John W. Linville
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rtlwifi: rtl8192cu: Convert driver to use rtl_process_phyinfo() 

Remove routine _rtl92c_process_phyinfo() by using the equivalent routine
in driver rtlwifi.

This change also allows the removal of 5 additional routines from rtl8192cu.
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 8e70eb80
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Showing with 2 addition and 185 deletion
drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
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......@@ -32,6 +32,7 @@
#include "../usb.h"
#include "../ps.h"
#include "../cam.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
......@@ -738,16 +739,6 @@ static u8 _rtl92c_evm_db_to_percentage(char value)
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)
{
......@@ -913,180 +904,6 @@ static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw,
(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 undec_sm_pwdb = 0;
if (mac->opmode == NL80211_IFTYPE_ADHOC) {
return;
} else {
undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
}
if (pstats->packet_toself || pstats->packet_beacon) {
if (undec_sm_pwdb < 0)
undec_sm_pwdb = pstats->rx_pwdb_all;
if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
undec_sm_pwdb = (((undec_sm_pwdb) *
(RX_SMOOTH_FACTOR - 1)) +
(pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
undec_sm_pwdb += 1;
} else {
undec_sm_pwdb = (((undec_sm_pwdb) *
(RX_SMOOTH_FACTOR - 1)) +
(pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
}
rtlpriv->dm.undec_sm_pwdb = undec_sm_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,
......@@ -1123,5 +940,5 @@ void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw,
_rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
packet_matchbssid, packet_toself,
packet_beacon);
_rtl92c_process_phyinfo(hw, tmp_buf, pstats);
rtl_process_phyinfo(hw, tmp_buf, pstats);
}
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