#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
+#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
if (unlikely(ieee80211_is_beacon(fc)))
return QSLT_BEACON;
- if (ieee80211_is_mgmt(fc))
+ if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
return QSLT_MGNT;
return skb->priority;
return ret_val;
}
-static long _rtl92ce_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 _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw,
long currsig)
{
pstats->packet_toself = packet_toself;
pstats->is_cck = is_cck_rate;
pstats->packet_beacon = packet_beacon;
- pstats->is_cck = is_cck_rate;
pstats->rx_mimo_sig_qual[0] = -1;
pstats->rx_mimo_sig_qual[1] = -1;
}
}
- pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
+ pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
+ /* CCK gain is smaller than OFDM/MCS gain,
+ * so we add gain diff by experiences,
+ * the val is 6
+ */
+ pwdb_all += 6;
+ if (pwdb_all > 100)
+ pwdb_all = 100;
+ /* modify the offset to make the same
+ * gain index with OFDM.
+ */
+ if (pwdb_all > 34 && pwdb_all <= 42)
+ pwdb_all -= 2;
+ else if (pwdb_all > 26 && pwdb_all <= 34)
+ pwdb_all -= 6;
+ else if (pwdb_all > 14 && pwdb_all <= 26)
+ pwdb_all -= 8;
+ else if (pwdb_all > 4 && pwdb_all <= 14)
+ pwdb_all -= 4;
+
pstats->rx_pwdb_all = pwdb_all;
pstats->recvsignalpower = rx_pwr_all;
+ /* (3) Get Signal Quality (EVM) */
if (packet_match_bssid) {
u8 sq;
if (pstats->rx_pwdb_all > 40)
} else {
rtlpriv->dm.rfpath_rxenable[0] =
rtlpriv->dm.rfpath_rxenable[1] = true;
+ /* (1)Get RSSI for HT rate */
for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
+ /* we will judge RF RX path now. */
if (rtlpriv->dm.rfpath_rxenable[i])
rf_rx_num++;
rx_pwr[i] =
((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
+ /* Translate DBM to percentage. */
rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
total_rssi += rssi;
+ /* Get Rx snr value in DB */
rtlpriv->stats.rx_snr_db[i] =
(long)(p_drvinfo->rxsnr[i] / 2);
+ /* Record Signal Strength for next packet */
if (packet_match_bssid)
pstats->rx_mimo_signalstrength[i] = (u8) rssi;
}
+ /* (2)PWDB, Average PWDB cacluated by
+ * hardware (for rate adaptive)
+ */
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 (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 &&
- pdesc->rxmcs <= DESC92_RATEMCS15)
+ /* (3)EVM of HT rate */
+ if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
+ pstats->rate <= DESC92_RATEMCS15)
max_spatial_stream = 2;
else
max_spatial_stream = 1;
evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
if (packet_match_bssid) {
+ /* Fill value in RFD, Get the first
+ * spatial stream only
+ */
if (i == 0)
pstats->signalquality =
(u8) (evm & 0xff);
}
}
+ /* UI BSS List signal strength(in percentage),
+ * make it good looking, from 0~100.
+ */
if (is_cck_rate)
pstats->signalstrength =
(u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
(hw, total_rssi /= rf_rx_num));
}
-static void _rtl92ce_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 =
- _rtl92ce_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 (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 _rtl92ce_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 _rtl92ce_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;
-
- 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;
- _rtl92ce_update_rxsignalstatistics(hw, pstats);
- }
-}
-
-static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw,
- struct rtl_stats *pstats)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- u32 last_evm, n_spatialstream, tmpval;
-
- if (pstats->signalquality != 0) {
- if (pstats->packet_toself || pstats->packet_beacon) {
-
- 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 +=
- pstats->signalquality;
- rtlpriv->stats.ui_link_quality.elements[rtlpriv->stats.
- ui_link_quality.
- index++] =
- pstats->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_spatialstream = 0; n_spatialstream < 2;
- n_spatialstream++) {
- if (pstats->
- rx_mimo_sig_qual[n_spatialstream] != -1) {
- if (rtlpriv->stats.
- rx_evm_percentage[n_spatialstream]
- == 0) {
- rtlpriv->stats.
- rx_evm_percentage
- [n_spatialstream] =
- pstats->rx_mimo_sig_qual
- [n_spatialstream];
- }
-
- rtlpriv->stats.
- rx_evm_percentage[n_spatialstream] =
- ((rtlpriv->
- stats.rx_evm_percentage
- [n_spatialstream] *
- (RX_SMOOTH_FACTOR - 1)) +
- (pstats->rx_mimo_sig_qual
- [n_spatialstream] * 1)) /
- (RX_SMOOTH_FACTOR);
- }
- }
- }
- } else {
- ;
- }
-}
-
-static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw,
- u8 *buffer,
- struct rtl_stats *pcurrent_stats)
-{
-
- if (!pcurrent_stats->packet_matchbssid &&
- !pcurrent_stats->packet_beacon)
- return;
-
- _rtl92ce_process_ui_rssi(hw, pcurrent_stats);
- _rtl92ce_process_pwdb(hw, pcurrent_stats);
- _rtl92ce_process_ui_link_quality(hw, pcurrent_stats);
-}
-
static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct rtl_stats *pstats,
u8 *praddr;
__le16 fc;
u16 type, c_fc;
- bool packet_matchbssid, packet_toself, packet_beacon;
+ bool packet_matchbssid, packet_toself, packet_beacon = false;
tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
packet_matchbssid, packet_toself,
packet_beacon);
- _rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
+ rtl_process_phyinfo(hw, tmp_buf, pstats);
}
bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
{
struct rx_fwinfo_92c *p_drvinfo;
struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
-
+ struct ieee80211_hdr *hdr;
u32 phystatus = GET_RX_DESC_PHYST(pdesc);
stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
- stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
+ stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
&& (GET_RX_DESC_FAGGR(pdesc) == 1));
stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
+ stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
+
+ stats->is_cck = RX_HAL_IS_CCK_RATE(pdesc);
rx_status->freq = hw->conf.channel->center_freq;
rx_status->band = hw->conf.channel->band;
- if (GET_RX_DESC_CRC32(pdesc))
- rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+ hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
+ + stats->rx_bufshift);
- if (!GET_RX_DESC_SWDEC(pdesc))
- rx_status->flag |= RX_FLAG_DECRYPTED;
+ if (stats->crc)
+ rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
- if (GET_RX_DESC_BW(pdesc))
+ if (stats->rx_is40Mhzpacket)
rx_status->flag |= RX_FLAG_40MHZ;
- if (GET_RX_DESC_RXHT(pdesc))
+ if (stats->is_ht)
rx_status->flag |= RX_FLAG_HT;
rx_status->flag |= RX_FLAG_MACTIME_START;
- if (stats->decrypted)
- rx_status->flag |= RX_FLAG_DECRYPTED;
-
+ /* hw will set stats->decrypted true, if it finds the
+ * frame is open data frame or mgmt frame.
+ * So hw will not decryption robust managment frame
+ * for IEEE80211w but still set status->decrypted
+ * true, so here we should set it back to undecrypted
+ * for IEEE80211w frame, and mac80211 sw will help
+ * to decrypt it
+ */
+ if (stats->decrypted) {
+ if (!hdr) {
+ /* In testing, hdr was NULL here */
+ return false;
+ }
+ if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
+ (ieee80211_has_protected(hdr->frame_control)))
+ rx_status->flag &= ~RX_FLAG_DECRYPTED;
+ else
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ }
+ /* rate_idx: index of data rate into band's
+ * supported rates or MCS index if HT rates
+ * are use (RX_FLAG_HT)
+ * Notice: this is diff with windows define
+ */
rx_status->rate_idx = rtlwifi_rate_mapping(hw,
- (bool)GET_RX_DESC_RXHT(pdesc),
- (u8)GET_RX_DESC_RXMCS(pdesc),
- (bool)GET_RX_DESC_PAGGR(pdesc));
+ stats->is_ht, stats->rate,
+ stats->isfirst_ampdu);
- rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
+ rx_status->mactime = stats->timestamp_low;
if (phystatus) {
p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
stats->rx_bufshift);
}
/*rx_status->qual = stats->signal; */
- rx_status->signal = stats->rssi + 10;
+ rx_status->signal = stats->recvsignalpower + 10;
/*rx_status->noise = -stats->noise; */
return true;
if (mac->opmode == NL80211_IFTYPE_STATION) {
bw_40 = mac->bw_40;
} else if (mac->opmode == NL80211_IFTYPE_AP ||
- mac->opmode == NL80211_IFTYPE_ADHOC) {
+ mac->opmode == NL80211_IFTYPE_ADHOC ||
+ mac->opmode == NL80211_IFTYPE_MESH_POINT) {
if (sta)
- bw_40 = sta->ht_cap.cap &
- IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
}
seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
projects / firefly-linux-kernel-4.4.55.git / blobdiff