Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / rtlwifi / rtl8192se / trx.c
diff --git a/kernel/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/kernel/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
new file mode 100644 (file)
index 0000000..125b29b
--- /dev/null
@@ -0,0 +1,658 @@
+/******************************************************************************
+ *
+ * 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 "../stats.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "fw.h"
+#include "trx.h"
+#include "led.h"
+
+static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue)
+{
+       __le16 fc = rtl_get_fc(skb);
+
+       if (unlikely(ieee80211_is_beacon(fc)))
+               return QSLT_BEACON;
+       if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
+               return QSLT_MGNT;
+       if (ieee80211_is_nullfunc(fc))
+               return QSLT_HIGH;
+
+       /* Kernel commit 1bf4bbb4024dcdab changed EAPOL packets to use
+        * queue V0 at priority 7; however, the RTL8192SE appears to have
+        * that queue at priority 6
+        */
+       if (skb->priority == 7)
+               return QSLT_VO;
+       return skb->priority;
+}
+
+static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
+                                      struct rtl_stats *pstats, u8 *pdesc,
+                                      struct rx_fwinfo *p_drvinfo,
+                                      bool packet_match_bssid,
+                                      bool packet_toself,
+                                      bool packet_beacon)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct phy_sts_cck_8192s_t *cck_buf;
+       struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
+       s8 rx_pwr_all = 0, rx_pwr[4];
+       u8 rf_rx_num = 0, evm, pwdb_all;
+       u8 i, max_spatial_stream;
+       u32 rssi, total_rssi = 0;
+       bool is_cck = pstats->is_cck;
+
+       pstats->packet_matchbssid = packet_match_bssid;
+       pstats->packet_toself = packet_toself;
+       pstats->packet_beacon = packet_beacon;
+       pstats->rx_mimo_sig_qual[0] = -1;
+       pstats->rx_mimo_sig_qual[1] = -1;
+
+       if (is_cck) {
+               u8 report, cck_highpwr;
+               cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
+
+               if (ppsc->rfpwr_state == ERFON)
+                       cck_highpwr = (u8) rtl_get_bbreg(hw,
+                                               RFPGA0_XA_HSSIPARAMETER2,
+                                               0x200);
+               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 = -40 - (cck_agc_rpt & 0x3e);
+                               break;
+                       case 0x2:
+                               rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
+                               break;
+                       case 0x1:
+                               rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
+                               break;
+                       case 0x0:
+                               rx_pwr_all = 14 - (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 = -40 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       case 0x2:
+                               rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       case 0x1:
+                               rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       case 0x0:
+                               rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
+                               break;
+                       }
+               }
+
+               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;
+
+               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] =
+                   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 = rtl_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) - 110;
+               pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
+               pstats->rx_pwdb_all = pwdb_all;
+               pstats->rxpower = rx_pwr_all;
+               pstats->recvsignalpower = rx_pwr_all;
+
+               if (pstats->is_ht && pstats->rate >= DESC_RATEMCS8 &&
+                   pstats->rate <= DESC_RATEMCS15)
+                       max_spatial_stream = 2;
+               else
+                       max_spatial_stream = 1;
+
+               for (i = 0; i < max_spatial_stream; i++) {
+                       evm = rtl_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)
+               pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
+                                        pwdb_all));
+       else if (rf_rx_num != 0)
+               pstats->signalstrength = (u8) (rtl_signal_scale_mapping(hw,
+                               total_rssi /= rf_rx_num));
+}
+
+static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
+               struct sk_buff *skb, struct rtl_stats *pstats,
+               u8 *pdesc, struct rx_fwinfo *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;
+       __le16 fc;
+       u16 type, cfc;
+       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;
+
+       _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
+                       packet_matchbssid, packet_toself, packet_beacon);
+       rtl_process_phyinfo(hw, tmp_buf, pstats);
+}
+
+bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
+                          struct ieee80211_rx_status *rx_status, u8 *pdesc,
+                          struct sk_buff *skb)
+{
+       struct rx_fwinfo *p_drvinfo;
+       u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
+       struct ieee80211_hdr *hdr;
+
+       stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
+       stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
+       stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
+       stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
+       stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
+       stats->hwerror = (u16)(stats->crc | stats->icv);
+       stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
+
+       stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
+       stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
+       stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
+       stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
+                              && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
+       stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
+       stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
+       stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
+       stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
+
+       if (stats->hwerror)
+               return false;
+
+       rx_status->freq = hw->conf.chandef.chan->center_freq;
+       rx_status->band = hw->conf.chandef.chan->band;
+
+       if (stats->crc)
+               rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+
+       if (stats->rx_is40Mhzpacket)
+               rx_status->flag |= RX_FLAG_40MHZ;
+
+       if (stats->is_ht)
+               rx_status->flag |= RX_FLAG_HT;
+
+       rx_status->flag |= RX_FLAG_MACTIME_START;
+
+       /* hw will set stats->decrypted true, if it finds the
+        * frame is open data frame or mgmt frame,
+        * hw will not decrypt robust managment frame
+        * for IEEE80211w but still set stats->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) {
+               hdr = (struct ieee80211_hdr *)(skb->data +
+                      stats->rx_drvinfo_size + stats->rx_bufshift);
+
+               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;
+       }
+
+       rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
+                                                  false, stats->rate);
+
+       rx_status->mactime = stats->timestamp_low;
+       if (phystatus) {
+               p_drvinfo = (struct rx_fwinfo *)(skb->data +
+                                                stats->rx_bufshift);
+               _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
+                                                  p_drvinfo);
+       }
+
+       /*rx_status->qual = stats->signal; */
+       rx_status->signal = stats->recvsignalpower + 10;
+
+       return true;
+}
+
+void rtl92se_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(rtl_priv(hw));
+       u8 *pdesc = pdesc_tx;
+       u16 seq_number;
+       __le16 fc = hdr->frame_control;
+       u8 reserved_macid = 0;
+       u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
+       bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
+       bool lastseg = (!(hdr->frame_control &
+                       cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
+       dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
+                   PCI_DMA_TODEVICE);
+       u8 bw_40 = 0;
+
+       if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+               RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+                        "DMA mapping error");
+               return;
+       }
+       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);
+
+       CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
+
+       if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
+               firstseg = true;
+               lastseg = true;
+       }
+
+       if (firstseg) {
+               if (rtlpriv->dm.useramask) {
+                       /* set txdesc macId */
+                       if (ptcb_desc->mac_id < 32) {
+                               SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
+                               reserved_macid |= ptcb_desc->mac_id;
+                       }
+               }
+               SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
+
+               SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
+                                DESC_RATEMCS0) ? 1 : 0));
+
+               if (rtlhal->version == VERSION_8192S_ACUT) {
+                       if (ptcb_desc->hw_rate == DESC_RATE1M ||
+                           ptcb_desc->hw_rate  == DESC_RATE2M ||
+                           ptcb_desc->hw_rate == DESC_RATE5_5M ||
+                           ptcb_desc->hw_rate == DESC_RATE11M) {
+                               ptcb_desc->hw_rate = DESC_RATE12M;
+                       }
+               }
+
+               SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
+
+               if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
+                       SET_TX_DESC_TX_SHORT(pdesc, 0);
+
+               /* Aggregation related */
+               if (info->flags & IEEE80211_TX_CTL_AMPDU)
+                       SET_TX_DESC_AGG_ENABLE(pdesc, 1);
+
+               /* For AMPDU, we must insert SSN into TX_DESC */
+               SET_TX_DESC_SEQ(pdesc, seq_number);
+
+               /* Protection mode related */
+               /* For 92S, if RTS/CTS are set, HW will execute RTS. */
+               /* We choose only one protection mode to execute */
+               SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
+                               !ptcb_desc->cts_enable) ? 1 : 0));
+               SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
+                                      1 : 0));
+               SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
+
+               SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
+               SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
+               SET_TX_DESC_RTS_SUB_CARRIER(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)));
+
+
+               /* Set Bandwidth and sub-channel settings. */
+               if (bw_40) {
+                       if (ptcb_desc->packet_bw) {
+                               SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
+                               /* use duplicated mode */
+                               SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
+                       } else {
+                               SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
+                               SET_TX_DESC_TX_SUB_CARRIER(pdesc,
+                                                  mac->cur_40_prime_sc);
+                       }
+               } else {
+                       SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
+                       SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
+               }
+
+               /* 3 Fill necessary field in First Descriptor */
+               /*DWORD 0*/
+               SET_TX_DESC_LINIP(pdesc, 0);
+               SET_TX_DESC_OFFSET(pdesc, 32);
+               SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
+
+               /*DWORD 1*/
+               SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
+
+               /* Fill security related */
+               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:
+                               SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
+                               break;
+                       case WLAN_CIPHER_SUITE_TKIP:
+                               SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
+                               break;
+                       case WLAN_CIPHER_SUITE_CCMP:
+                               SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
+                               break;
+                       default:
+                               SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
+                               break;
+
+                       }
+               }
+
+               /* Set Packet ID */
+               SET_TX_DESC_PACKET_ID(pdesc, 0);
+
+               /* We will assign magement queue to BK. */
+               SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
+
+               /* Alwasy enable all rate fallback range */
+               SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
+
+               /* Fix: I don't kown why hw use 6.5M to tx when set it */
+               SET_TX_DESC_USER_RATE(pdesc,
+                                     ptcb_desc->use_driver_rate ? 1 : 0);
+
+               /* Set NON_QOS bit. */
+               if (!ieee80211_is_data_qos(fc))
+                       SET_TX_DESC_NON_QOS(pdesc, 1);
+
+       }
+
+       /* Fill fields that are required to be initialized
+        * in all of the descriptors */
+       /*DWORD 0 */
+       SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
+       SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
+
+       /* DWORD 7 */
+       SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
+
+       /* DOWRD 8 */
+       SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
+
+       RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
+}
+
+void rtl92se_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_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
+
+       dma_addr_t 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 all status     */
+       CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
+
+       /* This bit indicate this packet is used for FW download. */
+       if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
+               /* For firmware downlaod we only need to set LINIP */
+               SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
+
+               /* 92SE must set as 1 for firmware download HW DMA error */
+               SET_TX_DESC_FIRST_SEG(pdesc, 1);
+               SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+               /* 92SE need not to set TX packet size when firmware download */
+               SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
+               SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
+               SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
+
+               wmb();
+               SET_TX_DESC_OWN(pdesc, 1);
+       } else { /* H2C Command Desc format (Host TXCMD) */
+               /* 92SE must set as 1 for firmware download HW DMA error */
+               SET_TX_DESC_FIRST_SEG(pdesc, 1);
+               SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+               SET_TX_DESC_OFFSET(pdesc, 0x20);
+
+               /* Buffer size + command header */
+               SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
+               /* Fixed queue of H2C command */
+               SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
+
+               SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
+
+               SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
+               SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
+
+               wmb();
+               SET_TX_DESC_OWN(pdesc, 1);
+
+       }
+}
+
+void rtl92se_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_STATUS_DESC_OWN(pdesc, 1);
+                       break;
+               case HW_DESC_RXBUFF_ADDR:
+                       SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
+                       break;
+               case HW_DESC_RXPKT_LEN:
+                       SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
+                       break;
+               case HW_DESC_RXERO:
+                       SET_RX_STATUS_DESC_EOR(pdesc, 1);
+                       break;
+               default:
+                       RT_ASSERT(false, "ERR rxdesc :%d not process\n",
+                                 desc_name);
+                       break;
+               }
+       }
+}
+
+u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
+{
+       u32 ret = 0;
+
+       if (istx) {
+               switch (desc_name) {
+               case HW_DESC_OWN:
+                       ret = GET_TX_DESC_OWN(desc);
+                       break;
+               case HW_DESC_TXBUFF_ADDR:
+                       ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
+                       break;
+               default:
+                       RT_ASSERT(false, "ERR txdesc :%d not process\n",
+                                 desc_name);
+                       break;
+               }
+       } else {
+               switch (desc_name) {
+               case HW_DESC_OWN:
+                       ret = GET_RX_STATUS_DESC_OWN(desc);
+                       break;
+               case HW_DESC_RXPKT_LEN:
+                       ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
+                       break;
+               case HW_DESC_RXBUFF_ADDR:
+                       ret = GET_RX_STATUS_DESC_BUFF_ADDR(desc);
+                       break;
+               default:
+                       RT_ASSERT(false, "ERR rxdesc :%d not process\n",
+                                 desc_name);
+                       break;
+               }
+       }
+       return ret;
+}
+
+void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
+}