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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c871
1 files changed, 871 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
new file mode 100644
index 000000000000..1feaa629dd4f
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
@@ -0,0 +1,871 @@
+/******************************************************************************
+ *
+ * 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.
+ *
+ * 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 u8 _rtl92de_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
+{
+ __le16 fc = rtl_get_fc(skb);
+
+ if (unlikely(ieee80211_is_beacon(fc)))
+ return QSLT_BEACON;
+ if (ieee80211_is_mgmt(fc))
+ return QSLT_MGNT;
+
+ return skb->priority;
+}
+
+static u8 _rtl92d_query_rxpwrpercentage(char antpower)
+{
+ if ((antpower <= -100) || (antpower >= 20))
+ return 0;
+ else if (antpower >= 0)
+ return 100;
+ else
+ return 100 + antpower;
+}
+
+static u8 _rtl92d_evm_db_to_percentage(char value)
+{
+ char 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 _rtl92de_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 _rtl92de_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 _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats,
+ struct rx_desc_92d *pdesc,
+ struct rx_fwinfo_92d *p_drvinfo,
+ bool packet_match_bssid,
+ bool packet_toself,
+ bool packet_beacon)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
+ struct phy_sts_cck_8192d *cck_buf;
+ s8 rx_pwr_all, rx_pwr[4];
+ u8 rf_rx_num = 0, evm, pwdb_all;
+ u8 i, max_spatial_stream;
+ u32 rssi, total_rssi = 0;
+ bool is_cck_rate;
+
+ is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
+ pstats->packet_matchbssid = packet_match_bssid;
+ pstats->packet_toself = packet_toself;
+ 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;
+
+ if (is_cck_rate) {
+ u8 report, cck_highpwr;
+ cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
+ if (ppsc->rfpwr_state == ERFON)
+ cck_highpwr = (u8) rtl_get_bbreg(hw,
+ RFPGA0_XA_HSSIPARAMETER2,
+ BIT(9));
+ else
+ cck_highpwr = false;
+ 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 = _rtl92d_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;
+ if (packet_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_sig_qual[0] = sq;
+ pstats->rx_mimo_sig_qual[1] = -1;
+ }
+ } else {
+ rtlpriv->dm.rfpath_rxenable[0] = true;
+ rtlpriv->dm.rfpath_rxenable[1] = true;
+ for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
+ if (rtlpriv->dm.rfpath_rxenable[i])
+ rf_rx_num++;
+ rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
+ - 110;
+ rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]);
+ total_rssi += rssi;
+ rtlpriv->stats.rx_snr_db[i] =
+ (long)(p_drvinfo->rxsnr[i] / 2);
+ if (packet_match_bssid)
+ pstats->rx_mimo_signalstrength[i] = (u8) rssi;
+ }
+ rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106;
+ pwdb_all = _rtl92d_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 >= DESC_RATEMCS8 &&
+ pdesc->rxmcs <= DESC_RATEMCS15)
+ max_spatial_stream = 2;
+ else
+ max_spatial_stream = 1;
+ for (i = 0; i < max_spatial_stream; i++) {
+ evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]);
+ if (packet_match_bssid) {
+ if (i == 0)
+ pstats->signalquality =
+ (u8)(evm & 0xff);
+ pstats->rx_mimo_sig_qual[i] =
+ (u8)(evm & 0xff);
+ }
+ }
+ }
+ if (is_cck_rate)
+ pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
+ pwdb_all));
+ else if (rf_rx_num != 0)
+ pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
+ total_rssi /= rf_rx_num));
+}
+
+static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_phy *rtlphy = &(rtlpriv->phy);
+ u8 rfpath;
+
+ 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 _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ 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 = _rtl92de_translate_todbm(hw,
+ (u8) tmpval);
+ pstats->rssi = rtlpriv->stats.signal_strength;
+ }
+ if (!pstats->is_cck && pstats->packet_toself)
+ rtl92d_loop_over_paths(hw, pstats);
+}
+
+static void _rtl92de_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 _rtl92de_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 ||
+ mac->opmode == NL80211_IFTYPE_AP)
+ 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 = 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;
+ _rtl92de_update_rxsignalstatistics(hw, pstats);
+ }
+}
+
+static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ if (pstats->rx_mimo_sig_qual[stream] != -1) {
+ if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
+ rtlpriv->stats.rx_evm_percentage[stream] =
+ pstats->rx_mimo_sig_qual[stream];
+ }
+ rtlpriv->stats.rx_evm_percentage[stream] =
+ ((rtlpriv->stats.rx_evm_percentage[stream]
+ * (RX_SMOOTH_FACTOR - 1)) +
+ (pstats->rx_mimo_sig_qual[stream] * 1)) /
+ (RX_SMOOTH_FACTOR);
+ }
+ }
+}
+
+static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
+ struct rtl_stats *pstats)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 last_evm, tmpval;
+
+ if (pstats->signalquality == 0)
+ return;
+ 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;
+ rtl92d_loop_over_streams(hw, pstats);
+ }
+}
+
+static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
+ u8 *buffer,
+ struct rtl_stats *pcurrent_stats)
+{
+
+ if (!pcurrent_stats->packet_matchbssid &&
+ !pcurrent_stats->packet_beacon)
+ return;
+
+ _rtl92de_process_ui_rssi(hw, pcurrent_stats);
+ _rtl92de_process_pwdb(hw, pcurrent_stats);
+ _rtl92de_process_ui_link_quality(hw, pcurrent_stats);
+}
+
+static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct rtl_stats *pstats,
+ struct rx_desc_92d *pdesc,
+ struct rx_fwinfo_92d *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;
+ u16 type, cfc;
+ __le16 fc;
+ bool packet_matchbssid, packet_toself, packet_beacon = false;
+
+ tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
+ hdr = (struct ieee80211_hdr *)tmp_buf;
+ fc = hdr->frame_control;
+ cfc = le16_to_cpu(fc);
+ type = WLAN_FC_GET_TYPE(fc);
+ praddr = hdr->addr1;
+ packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
+ ether_addr_equal(mac->bssid,
+ (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
+ (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
+ hdr->addr3) &&
+ (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
+ packet_toself = packet_matchbssid &&
+ ether_addr_equal(praddr, rtlefuse->dev_addr);
+ if (ieee80211_is_beacon(fc))
+ packet_beacon = true;
+ _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
+ packet_matchbssid, packet_toself,
+ packet_beacon);
+ _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
+}
+
+bool rtl92de_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_92d *p_drvinfo;
+ struct rx_desc_92d *pdesc = (struct rx_desc_92d *)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->icv = (u16) GET_RX_DESC_ICV(pdesc);
+ stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
+ stats->hwerror = (stats->crc | stats->icv);
+ stats->decrypted = !GET_RX_DESC_SWDEC(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->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);
+ rx_status->freq = hw->conf.chandef.chan->center_freq;
+ rx_status->band = hw->conf.chandef.chan->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_MACTIME_START;
+ if (stats->decrypted)
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
+ false, stats->rate);
+ rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
+ if (phystatus) {
+ p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
+ stats->rx_bufshift);
+ _rtl92de_translate_rx_signal_stuff(hw,
+ skb, stats, pdesc,
+ p_drvinfo);
+ }
+ /*rx_status->qual = stats->signal; */
+ rx_status->signal = stats->recvsignalpower + 10;
+ return true;
+}
+
+static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
+ u8 *virtualaddress)
+{
+ memset(virtualaddress, 0, 8);
+
+ SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
+ SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
+ SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
+ SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
+ SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
+ SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
+ SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
+}
+
+void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
+ struct ieee80211_hdr *hdr, u8 *pdesc_tx,
+ u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
+ u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
+{
+ 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_hal *rtlhal = rtl_hal(rtlpriv);
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+ u8 *pdesc = pdesc_tx;
+ u16 seq_number;
+ __le16 fc = hdr->frame_control;
+ unsigned int buf_len = 0;
+ unsigned int skb_len = skb->len;
+ u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
+ bool firstseg = ((hdr->seq_ctrl &
+ cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
+ bool lastseg = ((hdr->frame_control &
+ cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
+ dma_addr_t mapping;
+ u8 bw_40 = 0;
+
+ if (mac->opmode == NL80211_IFTYPE_STATION) {
+ bw_40 = mac->bw_40;
+ } else if (mac->opmode == NL80211_IFTYPE_AP ||
+ mac->opmode == NL80211_IFTYPE_ADHOC) {
+ if (sta)
+ bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
+ }
+ seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
+ rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
+ /* reserve 8 byte for AMPDU early mode */
+ if (rtlhal->earlymode_enable) {
+ skb_push(skb, EM_HDR_LEN);
+ memset(skb->data, 0, EM_HDR_LEN);
+ }
+ buf_len = skb->len;
+ mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "DMA mapping error");
+ return;
+ }
+ CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
+ if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
+ firstseg = true;
+ lastseg = true;
+ }
+ if (firstseg) {
+ if (rtlhal->earlymode_enable) {
+ SET_TX_DESC_PKT_OFFSET(pdesc, 1);
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
+ EM_HDR_LEN);
+ if (ptcb_desc->empkt_num) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
+ "Insert 8 byte.pTcb->EMPktNum:%d\n",
+ ptcb_desc->empkt_num);
+ _rtl92de_insert_emcontent(ptcb_desc,
+ (u8 *)(skb->data));
+ }
+ } else {
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
+ }
+ /* 5G have no CCK rate */
+ if (rtlhal->current_bandtype == BAND_ON_5G)
+ if (ptcb_desc->hw_rate < DESC_RATE6M)
+ ptcb_desc->hw_rate = DESC_RATE6M;
+ SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
+ if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
+ SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
+
+ if (rtlhal->macphymode == DUALMAC_DUALPHY &&
+ ptcb_desc->hw_rate == DESC_RATEMCS7)
+ SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ SET_TX_DESC_AGG_ENABLE(pdesc, 1);
+ SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
+ }
+ SET_TX_DESC_SEQ(pdesc, seq_number);
+ SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
+ !ptcb_desc->cts_enable) ? 1 : 0));
+ SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
+ || ptcb_desc->cts_enable) ? 1 : 0));
+ SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
+ SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
+ /* 5G have no CCK rate */
+ if (rtlhal->current_bandtype == BAND_ON_5G)
+ if (ptcb_desc->rts_rate < DESC_RATE6M)
+ ptcb_desc->rts_rate = DESC_RATE6M;
+ SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
+ SET_TX_DESC_RTS_BW(pdesc, 0);
+ SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
+ SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
+ DESC_RATE54M) ?
+ (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
+ (ptcb_desc->rts_use_shortgi ? 1 : 0)));
+ if (bw_40) {
+ if (ptcb_desc->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);
+ 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;
+
+ 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, ptcb_desc->disable_ratefallback ?
+ 1 : 0);
+ SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
+
+ /* Set TxRate and RTSRate in TxDesc */
+ /* This prevent Tx initial rate of new-coming packets */
+ /* from being overwritten by retried packet rate.*/
+ if (!ptcb_desc->use_driver_rate) {
+ SET_TX_DESC_RTS_RATE(pdesc, 0x08);
+ /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
+ }
+ 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, (firstseg ? 1 : 0));
+ SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
+ SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
+ SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
+ if (rtlpriv->dm.useramask) {
+ SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
+ SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
+ } else {
+ SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
+ SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
+ }
+ if (ieee80211_is_data_qos(fc))
+ SET_TX_DESC_QOS(pdesc, 1);
+
+ if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
+ SET_TX_DESC_HWSEQ_EN(pdesc, 1);
+ SET_TX_DESC_PKT_ID(pdesc, 8);
+ }
+ SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
+}
+
+void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
+ u8 *pdesc, bool firstseg,
+ bool lastseg, struct sk_buff *skb)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
+ struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+ 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);
+ __le16 fc = hdr->frame_control;
+
+ if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "DMA mapping error");
+ return;
+ }
+ CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
+ if (firstseg)
+ SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
+ /* 5G have no CCK rate
+ * Caution: The macros below are multi-line expansions.
+ * The braces are needed no matter what checkpatch says
+ */
+ if (rtlhal->current_bandtype == BAND_ON_5G) {
+ SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M);
+ } else {
+ SET_TX_DESC_TX_RATE(pdesc, DESC_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, mapping);
+ SET_TX_DESC_RATE_ID(pdesc, 7);
+ SET_TX_DESC_MACID(pdesc, 0);
+ SET_TX_DESC_PKT_SIZE(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) && ppsc->fwctrl_lps) {
+ 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", pdesc, TX_DESC_SIZE);
+ wmb();
+ SET_TX_DESC_OWN(pdesc, 1);
+}
+
+void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
+ u8 desc_name, u8 *val)
+{
+ if (istx) {
+ switch (desc_name) {
+ case HW_DESC_OWN:
+ wmb();
+ 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:
+ wmb();
+ 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 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
+{
+ u32 ret = 0;
+
+ if (istx) {
+ 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 rtl92de_tx_polling(struct ieee80211_hw *hw, u8 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));
+}