--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * 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 "../pci.h"
+#include "../base.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "trx.h"
+#include "led.h"
+
+static enum rtl_desc_qsel _rtl92ce_map_hwqueue_to_fwqueue(u16 fc,
+ unsigned int
+ skb_queue)
+{
+ enum rtl_desc_qsel qsel;
+
+ if (unlikely(ieee80211_is_beacon(fc))) {
+ qsel = QSLT_BEACON;
+ return qsel;
+ }
+
+ if (ieee80211_is_mgmt(fc)) {
+ qsel = QSLT_MGNT;
+ return qsel;
+ }
+
+ switch (skb_queue) {
+ case VO_QUEUE:
+ qsel = QSLT_VO;
+ break;
+ case VI_QUEUE:
+ qsel = QSLT_VI;
+ break;
+ case BE_QUEUE:
+ qsel = QSLT_BE;
+ break;
+ case BK_QUEUE:
+ qsel = QSLT_BK;
+ break;
+ default:
+ qsel = QSLT_BE;
+ RT_ASSERT(false, ("BE queue, skb_queue:%d,"
+ " set qsel = 0x%X\n", skb_queue, QSLT_BE));
+ break;
+ }
+ return qsel;
+}
+
+static int _rtl92ce_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu)
+{
+ int rate_idx;
+
+ if (first_ampdu) {
+ if (false == isht) {
+ switch (desc_rate) {
+ case DESC92C_RATE1M:
+ rate_idx = 0;
+ break;
+ case DESC92C_RATE2M:
+ rate_idx = 1;
+ break;
+ case DESC92C_RATE5_5M:
+ rate_idx = 2;
+ break;
+ case DESC92C_RATE11M:
+ rate_idx = 3;
+ break;
+ case DESC92C_RATE6M:
+ rate_idx = 4;
+ break;
+ case DESC92C_RATE9M:
+ rate_idx = 5;
+ break;
+ case DESC92C_RATE12M:
+ rate_idx = 6;
+ break;
+ case DESC92C_RATE18M:
+ rate_idx = 7;
+ break;
+ case DESC92C_RATE24M:
+ rate_idx = 8;
+ break;
+ case DESC92C_RATE36M:
+ rate_idx = 9;
+ break;
+ case DESC92C_RATE48M:
+ rate_idx = 10;
+ break;
+ case DESC92C_RATE54M:
+ rate_idx = 11;
+ break;
+ default:
+ rate_idx = 0;
+ break;
+ }
+ } else {
+ rate_idx = 11;
+ }
+
+ return rate_idx;
+ }
+
+ switch (desc_rate) {
+ case DESC92C_RATE1M:
+ rate_idx = 0;
+ break;
+ case DESC92C_RATE2M:
+ rate_idx = 1;
+ break;
+ case DESC92C_RATE5_5M:
+ rate_idx = 2;
+ break;
+ case DESC92C_RATE11M:
+ rate_idx = 3;
+ break;
+ case DESC92C_RATE6M:
+ rate_idx = 4;
+ break;
+ case DESC92C_RATE9M:
+ rate_idx = 5;
+ break;
+ case DESC92C_RATE12M:
+ rate_idx = 6;
+ break;
+ case DESC92C_RATE18M:
+ rate_idx = 7;
+ break;
+ case DESC92C_RATE24M:
+ rate_idx = 8;
+ break;
+ case DESC92C_RATE36M:
+ rate_idx = 9;
+ break;
+ case DESC92C_RATE48M:
+ rate_idx = 10;
+ break;
+ case DESC92C_RATE54M:
+ rate_idx = 11;
+ break;
+ default:
+ rate_idx = 11;
+ break;
+ }
+ return rate_idx;
+}
+
+static u8 _rtl92c_query_rxpwrpercentage(char antpower)
+{
+ if ((antpower <= -100) || (antpower >= 20))
+ return 0;
+ else if (antpower >= 0)
+ return 100;
+ else
+ return 100 + antpower;
+}
+
+static u8 _rtl92c_evm_db_to_percentage(char value)
+{
+ char ret_val;
+ ret_val = value;
+
+ if (ret_val >= 0)
+ ret_val = 0;
+
+ if (ret_val <= -33)
+ ret_val = -33;
+
+ ret_val = 0 - ret_val;
+ ret_val *= 3;
+
+ if (ret_val == 99)
+ ret_val = 100;
+
+ 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)
+{
+ 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 _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats,
+ struct rx_desc_92c *pdesc,
+ struct rx_fwinfo_92c *p_drvinfo,
+ bool bpacket_match_bssid,
+ bool bpacket_toself,
+ bool b_packet_beacon)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct phy_sts_cck_8192s_t *cck_buf;
+ s8 rx_pwr_all, rx_pwr[4];
+ u8 rf_rx_num, evm, pwdb_all;
+ u8 i, max_spatial_stream;
+ u32 rssi, total_rssi;
+ bool is_cck_rate;
+
+ is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
+ pstats->b_packet_matchbssid = bpacket_match_bssid;
+ pstats->b_packet_toself = bpacket_toself;
+ pstats->b_is_cck = is_cck_rate;
+ pstats->b_packet_beacon = b_packet_beacon;
+ pstats->b_is_cck = is_cck_rate;
+ pstats->rx_mimo_signalquality[0] = -1;
+ pstats->rx_mimo_signalquality[1] = -1;
+
+ if (is_cck_rate) {
+ u8 report, cck_highpwr;
+ cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
+
+ cck_highpwr = (u8) rtl_get_bbreg(hw,
+ RFPGA0_XA_HSSIPARAMETER2,
+ BIT(9));
+ if (!cck_highpwr) {
+ u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
+ report = cck_buf->cck_agc_rpt & 0xc0;
+ report = report >> 6;
+ switch (report) {
+ case 0x3:
+ rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
+ break;
+ case 0x2:
+ rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
+ break;
+ case 0x1:
+ rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
+ break;
+ case 0x0:
+ rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
+ break;
+ }
+ } else {
+ u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
+ report = p_drvinfo->cfosho[0] & 0x60;
+ report = report >> 5;
+ switch (report) {
+ case 0x3:
+ rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
+ break;
+ case 0x2:
+ rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
+ break;
+ case 0x1:
+ rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
+ break;
+ case 0x0:
+ rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
+ break;
+ }
+ }
+
+ pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
+ pstats->rx_pwdb_all = pwdb_all;
+ pstats->recvsignalpower = rx_pwr_all;
+
+ if (bpacket_match_bssid) {
+ u8 sq;
+ if (pstats->rx_pwdb_all > 40)
+ sq = 100;
+ else {
+ sq = cck_buf->sq_rpt;
+ if (sq > 64)
+ sq = 0;
+ else if (sq < 20)
+ sq = 100;
+ else
+ sq = ((64 - sq) * 100) / 44;
+ }
+
+ pstats->signalquality = sq;
+ pstats->rx_mimo_signalquality[0] = sq;
+ pstats->rx_mimo_signalquality[1] = -1;
+ }
+ } else {
+ rtlpriv->dm.brfpath_rxenable[0] =
+ rtlpriv->dm.brfpath_rxenable[1] = true;
+ for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
+ if (rtlpriv->dm.brfpath_rxenable[i])
+ rf_rx_num++;
+
+ rx_pwr[i] =
+ ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
+ rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
+ total_rssi += rssi;
+ rtlpriv->stats.rx_snr_db[i] =
+ (long)(p_drvinfo->rxsnr[i] / 2);
+
+ if (bpacket_match_bssid)
+ pstats->rx_mimo_signalstrength[i] = (u8) rssi;
+ }
+
+ 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 >= DESC92C_RATEMCS8 &&
+ pdesc->rxmcs <= DESC92C_RATEMCS15)
+ max_spatial_stream = 2;
+ else
+ max_spatial_stream = 1;
+
+ for (i = 0; i < max_spatial_stream; i++) {
+ evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
+
+ if (bpacket_match_bssid) {
+ if (i == 0)
+ pstats->signalquality =
+ (u8) (evm & 0xff);
+ pstats->rx_mimo_signalquality[i] =
+ (u8) (evm & 0xff);
+ }
+ }
+ }
+
+ if (is_cck_rate)
+ pstats->signalstrength =
+ (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
+ else if (rf_rx_num != 0)
+ pstats->signalstrength =
+ (u8) (_rtl92ce_signal_scale_mapping
+ (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->b_packet_toself || pstats->b_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->b_is_cck && pstats->b_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 _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ int weighting;
+
+ 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 undecorated_smoothed_pwdb;
+
+ if (mac->opmode == NL80211_IFTYPE_ADHOC) {
+ return;
+ } else {
+ undecorated_smoothed_pwdb =
+ rtlpriv->dm.undecorated_smoothed_pwdb;
+ }
+
+ if (pstats->b_packet_toself || pstats->b_packet_beacon) {
+ if (undecorated_smoothed_pwdb < 0)
+ undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
+
+ if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
+ undecorated_smoothed_pwdb =
+ (((undecorated_smoothed_pwdb) *
+ (RX_SMOOTH_FACTOR - 1)) +
+ (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
+
+ undecorated_smoothed_pwdb = undecorated_smoothed_pwdb
+ + 1;
+ } else {
+ undecorated_smoothed_pwdb =
+ (((undecorated_smoothed_pwdb) *
+ (RX_SMOOTH_FACTOR - 1)) +
+ (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
+ }
+
+ rtlpriv->dm.undecorated_smoothed_pwdb =
+ undecorated_smoothed_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->b_packet_toself || pstats->b_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_signalquality[n_spatialstream] !=
+ -1) {
+ if (rtlpriv->stats.
+ rx_evm_percentage[n_spatialstream]
+ == 0) {
+ rtlpriv->stats.
+ rx_evm_percentage
+ [n_spatialstream] =
+ pstats->rx_mimo_signalquality
+ [n_spatialstream];
+ }
+
+ rtlpriv->stats.
+ rx_evm_percentage[n_spatialstream] =
+ ((rtlpriv->
+ stats.rx_evm_percentage
+ [n_spatialstream] *
+ (RX_SMOOTH_FACTOR - 1)) +
+ (pstats->
+ rx_mimo_signalquality
+ [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->b_packet_matchbssid &&
+ !pcurrent_stats->b_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,
+ struct rx_desc_92c *pdesc,
+ struct rx_fwinfo_92c *p_drvinfo)
+{
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+ struct ieee80211_hdr *hdr;
+ u8 *tmp_buf;
+ u8 *praddr;
+ u8 *psaddr;
+ u16 fc, type;
+ bool b_packet_matchbssid, b_packet_toself, b_packet_beacon;
+
+ tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
+
+ hdr = (struct ieee80211_hdr *)tmp_buf;
+ fc = le16_to_cpu(hdr->frame_control);
+ type = WLAN_FC_GET_TYPE(fc);
+ praddr = hdr->addr1;
+ psaddr = hdr->addr2;
+
+ b_packet_matchbssid =
+ ((IEEE80211_FTYPE_CTL != type) &&
+ (!compare_ether_addr(mac->bssid,
+ (fc & IEEE80211_FCTL_TODS) ?
+ hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
+ hdr->addr2 : hdr->addr3)) &&
+ (!pstats->b_hwerror) && (!pstats->b_crc) && (!pstats->b_icv));
+
+ b_packet_toself = b_packet_matchbssid &&
+ (!compare_ether_addr(praddr, rtlefuse->dev_addr));
+
+ if (ieee80211_is_beacon(fc))
+ b_packet_beacon = true;
+
+ _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
+ b_packet_matchbssid, b_packet_toself,
+ b_packet_beacon);
+
+ _rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
+}
+
+bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
+ struct rtl_stats *stats,
+ struct ieee80211_rx_status *rx_status,
+ u8 *p_desc, struct sk_buff *skb)
+{
+ struct rx_fwinfo_92c *p_drvinfo;
+ struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
+
+ 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) *
+ RX_DRV_INFO_SIZE_UNIT;
+ stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
+ stats->b_icv = (u16) GET_RX_DESC_ICV(pdesc);
+ stats->b_crc = (u16) GET_RX_DESC_CRC32(pdesc);
+ stats->b_hwerror = (stats->b_crc | stats->b_icv);
+ stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
+ stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
+ stats->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
+ stats->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
+ stats->b_isampdu = (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);
+
+ 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;
+
+ if (!GET_RX_DESC_SWDEC(pdesc))
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+
+ if (GET_RX_DESC_BW(pdesc))
+ rx_status->flag |= RX_FLAG_40MHZ;
+
+ if (GET_RX_DESC_RXHT(pdesc))
+ rx_status->flag |= RX_FLAG_HT;
+
+ rx_status->flag |= RX_FLAG_TSFT;
+
+ if (stats->decrypted)
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+
+ rx_status->rate_idx = _rtl92ce_rate_mapping((bool)
+ GET_RX_DESC_RXHT(pdesc),
+ (u8)
+ GET_RX_DESC_RXMCS(pdesc),
+ (bool)
+ GET_RX_DESC_PAGGR(pdesc));
+
+ rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
+ if (phystatus == true) {
+ p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
+ stats->rx_bufshift);
+
+ _rtl92ce_translate_rx_signal_stuff(hw,
+ skb, stats, pdesc,
+ p_drvinfo);
+ }
+
+ /*rx_status->qual = stats->signal; */
+ rx_status->signal = stats->rssi + 10;
+ /*rx_status->noise = -stats->noise; */
+
+ return true;
+}
+
+void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
+ struct ieee80211_hdr *hdr, u8 *pdesc_tx,
+ struct ieee80211_tx_info *info, struct sk_buff *skb,
+ unsigned int queue_index)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+ bool b_defaultadapter = true;
+
+ struct ieee80211_sta *sta = ieee80211_find_sta(mac->vif, mac->bssid);
+
+ u8 *pdesc = (u8 *) pdesc_tx;
+ struct rtl_tcb_desc tcb_desc;
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
+ u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
+ u16 seq_number;
+ u16 fc = le16_to_cpu(hdr->frame_control);
+ u8 rate_flag = info->control.rates[0].flags;
+
+ enum rtl_desc_qsel fw_qsel =
+ _rtl92ce_map_hwqueue_to_fwqueue(le16_to_cpu(hdr->frame_control),
+ queue_index);
+
+ bool b_firstseg = ((hdr->seq_ctrl &
+ cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
+
+ bool b_lastseg = ((hdr->frame_control &
+ cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
+
+ dma_addr_t mapping = pci_map_single(rtlpci->pdev,
+ skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+
+ seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
+
+ rtl_get_tcb_desc(hw, info, skb, &tcb_desc);
+
+ CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
+
+ if (b_firstseg) {
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
+
+ SET_TX_DESC_TX_RATE(pdesc, tcb_desc.hw_rate);
+
+ if (tcb_desc.use_shortgi || tcb_desc.use_shortpreamble)
+ SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
+
+ if (mac->tids[tid].agg.agg_state == RTL_AGG_ON &&
+ info->flags & IEEE80211_TX_CTL_AMPDU) {
+ SET_TX_DESC_AGG_BREAK(pdesc, 1);
+ SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
+ }
+ SET_TX_DESC_SEQ(pdesc, seq_number);
+
+ SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc.b_rts_enable &&
+ !tcb_desc.
+ b_cts_enable) ? 1 : 0));
+ SET_TX_DESC_HW_RTS_ENABLE(pdesc,
+ ((tcb_desc.b_rts_enable
+ || tcb_desc.b_cts_enable) ? 1 : 0));
+ SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc.b_cts_enable) ? 1 : 0));
+ SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc.b_rts_stbc) ? 1 : 0));
+
+ SET_TX_DESC_RTS_RATE(pdesc, tcb_desc.rts_rate);
+ SET_TX_DESC_RTS_BW(pdesc, 0);
+ SET_TX_DESC_RTS_SC(pdesc, tcb_desc.rts_sc);
+ SET_TX_DESC_RTS_SHORT(pdesc,
+ ((tcb_desc.rts_rate <= DESC92C_RATE54M) ?
+ (tcb_desc.b_rts_use_shortpreamble ? 1 : 0)
+ : (tcb_desc.b_rts_use_shortgi ? 1 : 0)));
+
+ if (mac->bw_40) {
+ if (tcb_desc.b_packet_bw) {
+ SET_TX_DESC_DATA_BW(pdesc, 1);
+ SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
+ } else {
+ SET_TX_DESC_DATA_BW(pdesc, 0);
+
+ if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
+ SET_TX_DESC_TX_SUB_CARRIER(pdesc,
+ mac->cur_40_prime_sc);
+ }
+ }
+ } else {
+ SET_TX_DESC_DATA_BW(pdesc, 0);
+ SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
+ }
+
+ SET_TX_DESC_LINIP(pdesc, 0);
+ SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
+
+ if (sta) {
+ u8 ampdu_density = sta->ht_cap.ampdu_density;
+ SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
+ }
+
+ if (info->control.hw_key) {
+ struct ieee80211_key_conf *keyconf =
+ info->control.hw_key;
+
+ switch (keyconf->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ case WLAN_CIPHER_SUITE_TKIP:
+ SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
+ break;
+ default:
+ SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
+ break;
+
+ }
+ }
+
+ SET_TX_DESC_PKT_ID(pdesc, 0);
+ SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
+
+ SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
+ SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
+ SET_TX_DESC_DISABLE_FB(pdesc, 0);
+ SET_TX_DESC_USE_RATE(pdesc, tcb_desc.use_driver_rate ? 1 : 0);
+
+ if (ieee80211_is_data_qos(fc)) {
+ if (mac->rdg_en) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ ("Enable RDG function.\n"));
+ SET_TX_DESC_RDG_ENABLE(pdesc, 1);
+ SET_TX_DESC_HTC(pdesc, 1);
+ }
+ }
+ }
+
+ SET_TX_DESC_FIRST_SEG(pdesc, (b_firstseg ? 1 : 0));
+ SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0));
+
+ SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
+
+ SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
+
+ if (rtlpriv->dm.b_useramask) {
+ SET_TX_DESC_RATE_ID(pdesc, tcb_desc.ratr_index);
+ SET_TX_DESC_MACID(pdesc, tcb_desc.mac_id);
+ } else {
+ SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc.ratr_index);
+ SET_TX_DESC_MACID(pdesc, tcb_desc.ratr_index);
+ }
+
+ if ((!ieee80211_is_data_qos(fc)) && ppsc->b_leisure_ps &&
+ ppsc->b_fwctrl_lps) {
+ SET_TX_DESC_HWSEQ_EN(pdesc, 1);
+ SET_TX_DESC_PKT_ID(pdesc, 8);
+
+ if (!b_defaultadapter)
+ SET_TX_DESC_QOS(pdesc, 1);
+ }
+
+ SET_TX_DESC_MORE_FRAG(pdesc, (b_lastseg ? 0 : 1));
+
+ if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
+ is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
+ SET_TX_DESC_BMC(pdesc, 1);
+ }
+
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
+}
+
+void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,
+ u8 *pdesc, bool b_firstseg,
+ bool b_lastseg, struct sk_buff *skb)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ u8 fw_queue = QSLT_BEACON;
+
+ dma_addr_t mapping = pci_map_single(rtlpci->pdev,
+ skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
+ u16 fc = le16_to_cpu(hdr->frame_control);
+
+ CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
+
+ if (b_firstseg)
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
+
+ SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
+
+ SET_TX_DESC_SEQ(pdesc, 0);
+
+ SET_TX_DESC_LINIP(pdesc, 0);
+
+ SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
+
+ SET_TX_DESC_FIRST_SEG(pdesc, 1);
+ SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+ SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
+
+ SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
+
+ SET_TX_DESC_RATE_ID(pdesc, 7);
+ SET_TX_DESC_MACID(pdesc, 0);
+
+ SET_TX_DESC_OWN(pdesc, 1);
+
+ SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
+
+ SET_TX_DESC_FIRST_SEG(pdesc, 1);
+ SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+ SET_TX_DESC_OFFSET(pdesc, 0x20);
+
+ SET_TX_DESC_USE_RATE(pdesc, 1);
+
+ if (!ieee80211_is_data_qos(fc)) {
+ SET_TX_DESC_HWSEQ_EN(pdesc, 1);
+ SET_TX_DESC_PKT_ID(pdesc, 8);
+ }
+
+ RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
+ "H2C Tx Cmd Content\n",
+ pdesc, TX_DESC_SIZE);
+}
+
+void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
+{
+ if (istx == true) {
+ switch (desc_name) {
+ case HW_DESC_OWN:
+ SET_TX_DESC_OWN(pdesc, 1);
+ break;
+ case HW_DESC_TX_NEXTDESC_ADDR:
+ SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
+ break;
+ default:
+ RT_ASSERT(false, ("ERR txdesc :%d"
+ " not process\n", desc_name));
+ break;
+ }
+ } else {
+ switch (desc_name) {
+ case HW_DESC_RXOWN:
+ SET_RX_DESC_OWN(pdesc, 1);
+ break;
+ case HW_DESC_RXBUFF_ADDR:
+ SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
+ break;
+ case HW_DESC_RXPKT_LEN:
+ SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
+ break;
+ case HW_DESC_RXERO:
+ SET_RX_DESC_EOR(pdesc, 1);
+ break;
+ default:
+ RT_ASSERT(false, ("ERR rxdesc :%d "
+ "not process\n", desc_name));
+ break;
+ }
+ }
+}
+
+u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
+{
+ u32 ret = 0;
+
+ if (istx == true) {
+ switch (desc_name) {
+ case HW_DESC_OWN:
+ ret = GET_TX_DESC_OWN(p_desc);
+ break;
+ case HW_DESC_TXBUFF_ADDR:
+ ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
+ break;
+ default:
+ RT_ASSERT(false, ("ERR txdesc :%d "
+ "not process\n", desc_name));
+ break;
+ }
+ } else {
+ struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
+ switch (desc_name) {
+ case HW_DESC_OWN:
+ ret = GET_RX_DESC_OWN(pdesc);
+ break;
+ case HW_DESC_RXPKT_LEN:
+ ret = GET_RX_DESC_PKT_LEN(pdesc);
+ break;
+ default:
+ RT_ASSERT(false, ("ERR rxdesc :%d "
+ "not process\n", desc_name));
+ break;
+ }
+ }
+ return ret;
+}
+
+void rtl92ce_tx_polling(struct ieee80211_hw *hw, unsigned int hw_queue)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ if (hw_queue == BEACON_QUEUE) {
+ rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
+ } else {
+ rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
+ BIT(0) << (hw_queue));
+ }
+}
projects / mv-sheeva.git / blobdiff