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0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright(c) 2009-2012  Realtek Corporation.*/
0003 
0004 #include "../wifi.h"
0005 #include "../pci.h"
0006 #include "../base.h"
0007 #include "../stats.h"
0008 #include "reg.h"
0009 #include "def.h"
0010 #include "phy.h"
0011 #include "fw.h"
0012 #include "trx.h"
0013 #include "led.h"
0014 
0015 static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb,  u8 skb_queue)
0016 {
0017     __le16 fc = rtl_get_fc(skb);
0018 
0019     if (unlikely(ieee80211_is_beacon(fc)))
0020         return QSLT_BEACON;
0021     if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
0022         return QSLT_MGNT;
0023     if (ieee80211_is_nullfunc(fc))
0024         return QSLT_HIGH;
0025 
0026     /* Kernel commit 1bf4bbb4024dcdab changed EAPOL packets to use
0027      * queue V0 at priority 7; however, the RTL8192SE appears to have
0028      * that queue at priority 6
0029      */
0030     if (skb->priority == 7)
0031         return QSLT_VO;
0032     return skb->priority;
0033 }
0034 
0035 static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
0036                        struct rtl_stats *pstats, __le32 *pdesc,
0037                        struct rx_fwinfo *p_drvinfo,
0038                        bool packet_match_bssid,
0039                        bool packet_toself,
0040                        bool packet_beacon)
0041 {
0042     struct rtl_priv *rtlpriv = rtl_priv(hw);
0043     struct phy_sts_cck_8192s_t *cck_buf;
0044     struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
0045     s8 rx_pwr_all = 0, rx_pwr[4];
0046     u8 rf_rx_num = 0, evm, pwdb_all;
0047     u8 i, max_spatial_stream;
0048     u32 rssi, total_rssi = 0;
0049     bool is_cck = pstats->is_cck;
0050 
0051     pstats->packet_matchbssid = packet_match_bssid;
0052     pstats->packet_toself = packet_toself;
0053     pstats->packet_beacon = packet_beacon;
0054     pstats->rx_mimo_sig_qual[0] = -1;
0055     pstats->rx_mimo_sig_qual[1] = -1;
0056 
0057     if (is_cck) {
0058         u8 report, cck_highpwr;
0059         cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
0060 
0061         if (ppsc->rfpwr_state == ERFON)
0062             cck_highpwr = (u8) rtl_get_bbreg(hw,
0063                         RFPGA0_XA_HSSIPARAMETER2,
0064                         0x200);
0065         else
0066             cck_highpwr = false;
0067 
0068         if (!cck_highpwr) {
0069             u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
0070             report = cck_buf->cck_agc_rpt & 0xc0;
0071             report = report >> 6;
0072             switch (report) {
0073             case 0x3:
0074                 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
0075                 break;
0076             case 0x2:
0077                 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
0078                 break;
0079             case 0x1:
0080                 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
0081                 break;
0082             case 0x0:
0083                 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
0084                 break;
0085             }
0086         } else {
0087             u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
0088             report = p_drvinfo->cfosho[0] & 0x60;
0089             report = report >> 5;
0090             switch (report) {
0091             case 0x3:
0092                 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
0093                 break;
0094             case 0x2:
0095                 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
0096                 break;
0097             case 0x1:
0098                 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
0099                 break;
0100             case 0x0:
0101                 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
0102                 break;
0103             }
0104         }
0105 
0106         pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
0107 
0108         /* CCK gain is smaller than OFDM/MCS gain,  */
0109         /* so we add gain diff by experiences, the val is 6 */
0110         pwdb_all += 6;
0111         if (pwdb_all > 100)
0112             pwdb_all = 100;
0113         /* modify the offset to make the same gain index with OFDM. */
0114         if (pwdb_all > 34 && pwdb_all <= 42)
0115             pwdb_all -= 2;
0116         else if (pwdb_all > 26 && pwdb_all <= 34)
0117             pwdb_all -= 6;
0118         else if (pwdb_all > 14 && pwdb_all <= 26)
0119             pwdb_all -= 8;
0120         else if (pwdb_all > 4 && pwdb_all <= 14)
0121             pwdb_all -= 4;
0122 
0123         pstats->rx_pwdb_all = pwdb_all;
0124         pstats->recvsignalpower = rx_pwr_all;
0125 
0126         if (packet_match_bssid) {
0127             u8 sq;
0128             if (pstats->rx_pwdb_all > 40) {
0129                 sq = 100;
0130             } else {
0131                 sq = cck_buf->sq_rpt;
0132                 if (sq > 64)
0133                     sq = 0;
0134                 else if (sq < 20)
0135                     sq = 100;
0136                 else
0137                     sq = ((64 - sq) * 100) / 44;
0138             }
0139 
0140             pstats->signalquality = sq;
0141             pstats->rx_mimo_sig_qual[0] = sq;
0142             pstats->rx_mimo_sig_qual[1] = -1;
0143         }
0144     } else {
0145         rtlpriv->dm.rfpath_rxenable[0] =
0146             rtlpriv->dm.rfpath_rxenable[1] = true;
0147         for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
0148             if (rtlpriv->dm.rfpath_rxenable[i])
0149                 rf_rx_num++;
0150 
0151             rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
0152                     0x3f) * 2) - 110;
0153             rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
0154             total_rssi += rssi;
0155             rtlpriv->stats.rx_snr_db[i] =
0156                      (long)(p_drvinfo->rxsnr[i] / 2);
0157 
0158             if (packet_match_bssid)
0159                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
0160         }
0161 
0162         rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
0163         pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
0164         pstats->rx_pwdb_all = pwdb_all;
0165         pstats->rxpower = rx_pwr_all;
0166         pstats->recvsignalpower = rx_pwr_all;
0167 
0168         if (pstats->is_ht && pstats->rate >= DESC_RATEMCS8 &&
0169             pstats->rate <= DESC_RATEMCS15)
0170             max_spatial_stream = 2;
0171         else
0172             max_spatial_stream = 1;
0173 
0174         for (i = 0; i < max_spatial_stream; i++) {
0175             evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
0176 
0177             if (packet_match_bssid) {
0178                 if (i == 0)
0179                     pstats->signalquality = (u8)(evm &
0180                                  0xff);
0181                 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
0182             }
0183         }
0184     }
0185 
0186     if (is_cck)
0187         pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
0188                      pwdb_all));
0189     else if (rf_rx_num != 0)
0190         pstats->signalstrength = (u8) (rtl_signal_scale_mapping(hw,
0191                 total_rssi /= rf_rx_num));
0192 }
0193 
0194 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
0195         struct sk_buff *skb, struct rtl_stats *pstats,
0196         __le32 *pdesc, struct rx_fwinfo *p_drvinfo)
0197 {
0198     struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
0199     struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
0200     struct ieee80211_hdr *hdr;
0201     u8 *tmp_buf;
0202     u8 *praddr;
0203     __le16 fc;
0204     u16 type, cfc;
0205     bool packet_matchbssid, packet_toself, packet_beacon = false;
0206 
0207     tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
0208 
0209     hdr = (struct ieee80211_hdr *)tmp_buf;
0210     fc = hdr->frame_control;
0211     cfc = le16_to_cpu(fc);
0212     type = WLAN_FC_GET_TYPE(fc);
0213     praddr = hdr->addr1;
0214 
0215     packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
0216          ether_addr_equal(mac->bssid,
0217                   (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
0218                   (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
0219                   hdr->addr3) &&
0220          (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
0221 
0222     packet_toself = packet_matchbssid &&
0223         ether_addr_equal(praddr, rtlefuse->dev_addr);
0224 
0225     if (ieee80211_is_beacon(fc))
0226         packet_beacon = true;
0227 
0228     _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
0229             packet_matchbssid, packet_toself, packet_beacon);
0230     rtl_process_phyinfo(hw, tmp_buf, pstats);
0231 }
0232 
0233 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
0234                struct ieee80211_rx_status *rx_status, u8 *pdesc8,
0235                struct sk_buff *skb)
0236 {
0237     struct rx_fwinfo *p_drvinfo;
0238     __le32 *pdesc = (__le32 *)pdesc8;
0239     u32 phystatus = (u32)get_rx_status_desc_phy_status(pdesc);
0240     struct ieee80211_hdr *hdr;
0241 
0242     stats->length = (u16)get_rx_status_desc_pkt_len(pdesc);
0243     stats->rx_drvinfo_size = (u8)get_rx_status_desc_drvinfo_size(pdesc) * 8;
0244     stats->rx_bufshift = (u8)(get_rx_status_desc_shift(pdesc) & 0x03);
0245     stats->icv = (u16)get_rx_status_desc_icv(pdesc);
0246     stats->crc = (u16)get_rx_status_desc_crc32(pdesc);
0247     stats->hwerror = (u16)(stats->crc | stats->icv);
0248     stats->decrypted = !get_rx_status_desc_swdec(pdesc);
0249 
0250     stats->rate = (u8)get_rx_status_desc_rx_mcs(pdesc);
0251     stats->shortpreamble = (u16)get_rx_status_desc_splcp(pdesc);
0252     stats->isampdu = (bool)(get_rx_status_desc_paggr(pdesc) == 1);
0253     stats->isfirst_ampdu = (bool)((get_rx_status_desc_paggr(pdesc) == 1) &&
0254                       (get_rx_status_desc_faggr(pdesc) == 1));
0255     stats->timestamp_low = get_rx_status_desc_tsfl(pdesc);
0256     stats->rx_is40mhzpacket = (bool)get_rx_status_desc_bw(pdesc);
0257     stats->is_ht = (bool)get_rx_status_desc_rx_ht(pdesc);
0258     stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
0259 
0260     if (stats->hwerror)
0261         return false;
0262 
0263     rx_status->freq = hw->conf.chandef.chan->center_freq;
0264     rx_status->band = hw->conf.chandef.chan->band;
0265 
0266     if (stats->crc)
0267         rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
0268 
0269     if (stats->rx_is40mhzpacket)
0270         rx_status->bw = RATE_INFO_BW_40;
0271 
0272     if (stats->is_ht)
0273         rx_status->encoding = RX_ENC_HT;
0274 
0275     rx_status->flag |= RX_FLAG_MACTIME_START;
0276 
0277     /* hw will set stats->decrypted true, if it finds the
0278      * frame is open data frame or mgmt frame,
0279      * hw will not decrypt robust managment frame
0280      * for IEEE80211w but still set stats->decrypted
0281      * true, so here we should set it back to undecrypted
0282      * for IEEE80211w frame, and mac80211 sw will help
0283      * to decrypt it */
0284     if (stats->decrypted) {
0285         hdr = (struct ieee80211_hdr *)(skb->data +
0286                stats->rx_drvinfo_size + stats->rx_bufshift);
0287 
0288         if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
0289             (ieee80211_has_protected(hdr->frame_control)))
0290             rx_status->flag &= ~RX_FLAG_DECRYPTED;
0291         else
0292             rx_status->flag |= RX_FLAG_DECRYPTED;
0293     }
0294 
0295     rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
0296                            false, stats->rate);
0297 
0298     rx_status->mactime = stats->timestamp_low;
0299     if (phystatus) {
0300         p_drvinfo = (struct rx_fwinfo *)(skb->data +
0301                          stats->rx_bufshift);
0302         _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
0303                            p_drvinfo);
0304     }
0305 
0306     /*rx_status->qual = stats->signal; */
0307     rx_status->signal = stats->recvsignalpower + 10;
0308 
0309     return true;
0310 }
0311 
0312 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
0313         struct ieee80211_hdr *hdr, u8 *pdesc8,
0314         u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
0315         struct ieee80211_sta *sta,
0316         struct sk_buff *skb,
0317         u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
0318 {
0319     struct rtl_priv *rtlpriv = rtl_priv(hw);
0320     struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
0321     struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
0322     struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
0323     __le32 *pdesc = (__le32 *)pdesc8;
0324     u16 seq_number;
0325     __le16 fc = hdr->frame_control;
0326     u8 reserved_macid = 0;
0327     u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
0328     bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
0329     bool lastseg = (!(hdr->frame_control &
0330             cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
0331     dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
0332                         skb->len, DMA_TO_DEVICE);
0333     u8 bw_40 = 0;
0334 
0335     if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
0336         rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
0337             "DMA mapping error\n");
0338         return;
0339     }
0340     if (mac->opmode == NL80211_IFTYPE_STATION) {
0341         bw_40 = mac->bw_40;
0342     } else if (mac->opmode == NL80211_IFTYPE_AP ||
0343         mac->opmode == NL80211_IFTYPE_ADHOC) {
0344         if (sta)
0345             bw_40 = sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40;
0346     }
0347 
0348     seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
0349 
0350     rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
0351 
0352     CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
0353 
0354     if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
0355         firstseg = true;
0356         lastseg = true;
0357     }
0358 
0359     if (firstseg) {
0360         if (rtlpriv->dm.useramask) {
0361             /* set txdesc macId */
0362             if (ptcb_desc->mac_id < 32) {
0363                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
0364                 reserved_macid |= ptcb_desc->mac_id;
0365             }
0366         }
0367         set_tx_desc_rsvd_macid(pdesc, reserved_macid);
0368 
0369         set_tx_desc_txht(pdesc, ((ptcb_desc->hw_rate >=
0370                  DESC_RATEMCS0) ? 1 : 0));
0371 
0372         if (rtlhal->version == VERSION_8192S_ACUT) {
0373             if (ptcb_desc->hw_rate == DESC_RATE1M ||
0374                 ptcb_desc->hw_rate  == DESC_RATE2M ||
0375                 ptcb_desc->hw_rate == DESC_RATE5_5M ||
0376                 ptcb_desc->hw_rate == DESC_RATE11M) {
0377                 ptcb_desc->hw_rate = DESC_RATE12M;
0378             }
0379         }
0380 
0381         set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
0382 
0383         if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
0384             set_tx_desc_tx_short(pdesc, 0);
0385 
0386         /* Aggregation related */
0387         if (info->flags & IEEE80211_TX_CTL_AMPDU)
0388             set_tx_desc_agg_enable(pdesc, 1);
0389 
0390         /* For AMPDU, we must insert SSN into TX_DESC */
0391         set_tx_desc_seq(pdesc, seq_number);
0392 
0393         /* Protection mode related */
0394         /* For 92S, if RTS/CTS are set, HW will execute RTS. */
0395         /* We choose only one protection mode to execute */
0396         set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
0397                         !ptcb_desc->cts_enable) ?
0398                            1 : 0));
0399         set_tx_desc_cts_enable(pdesc, ((ptcb_desc->cts_enable) ?
0400                        1 : 0));
0401         set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
0402 
0403         set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
0404         set_tx_desc_rts_bandwidth(pdesc, 0);
0405         set_tx_desc_rts_sub_carrier(pdesc, ptcb_desc->rts_sc);
0406         set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <=
0407                DESC_RATE54M) ?
0408                (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
0409                : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
0410 
0411 
0412         /* Set Bandwidth and sub-channel settings. */
0413         if (bw_40) {
0414             if (ptcb_desc->packet_bw) {
0415                 set_tx_desc_tx_bandwidth(pdesc, 1);
0416                 /* use duplicated mode */
0417                 set_tx_desc_tx_sub_carrier(pdesc, 0);
0418             } else {
0419                 set_tx_desc_tx_bandwidth(pdesc, 0);
0420                 set_tx_desc_tx_sub_carrier(pdesc,
0421                            mac->cur_40_prime_sc);
0422             }
0423         } else {
0424             set_tx_desc_tx_bandwidth(pdesc, 0);
0425             set_tx_desc_tx_sub_carrier(pdesc, 0);
0426         }
0427 
0428         /* 3 Fill necessary field in First Descriptor */
0429         /*DWORD 0*/
0430         set_tx_desc_linip(pdesc, 0);
0431         set_tx_desc_offset(pdesc, 32);
0432         set_tx_desc_pkt_size(pdesc, (u16)skb->len);
0433 
0434         /*DWORD 1*/
0435         set_tx_desc_ra_brsr_id(pdesc, ptcb_desc->ratr_index);
0436 
0437         /* Fill security related */
0438         if (info->control.hw_key) {
0439             struct ieee80211_key_conf *keyconf;
0440 
0441             keyconf = info->control.hw_key;
0442             switch (keyconf->cipher) {
0443             case WLAN_CIPHER_SUITE_WEP40:
0444             case WLAN_CIPHER_SUITE_WEP104:
0445                 set_tx_desc_sec_type(pdesc, 0x1);
0446                 break;
0447             case WLAN_CIPHER_SUITE_TKIP:
0448                 set_tx_desc_sec_type(pdesc, 0x2);
0449                 break;
0450             case WLAN_CIPHER_SUITE_CCMP:
0451                 set_tx_desc_sec_type(pdesc, 0x3);
0452                 break;
0453             default:
0454                 set_tx_desc_sec_type(pdesc, 0x0);
0455                 break;
0456 
0457             }
0458         }
0459 
0460         /* Set Packet ID */
0461         set_tx_desc_packet_id(pdesc, 0);
0462 
0463         /* We will assign magement queue to BK. */
0464         set_tx_desc_queue_sel(pdesc, fw_qsel);
0465 
0466         /* Alwasy enable all rate fallback range */
0467         set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
0468 
0469         /* Fix: I don't kown why hw use 6.5M to tx when set it */
0470         set_tx_desc_user_rate(pdesc,
0471                       ptcb_desc->use_driver_rate ? 1 : 0);
0472 
0473         /* Set NON_QOS bit. */
0474         if (!ieee80211_is_data_qos(fc))
0475             set_tx_desc_non_qos(pdesc, 1);
0476 
0477     }
0478 
0479     /* Fill fields that are required to be initialized
0480      * in all of the descriptors */
0481     /*DWORD 0 */
0482     set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
0483     set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
0484 
0485     /* DWORD 7 */
0486     set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);
0487 
0488     /* DOWRD 8 */
0489     set_tx_desc_tx_buffer_address(pdesc, mapping);
0490 
0491     rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
0492 }
0493 
0494 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
0495                  bool firstseg, bool lastseg, struct sk_buff *skb)
0496 {
0497     struct rtl_priv *rtlpriv = rtl_priv(hw);
0498     struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
0499     struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
0500     struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
0501     __le32 *pdesc = (__le32 *)pdesc8;
0502 
0503     dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
0504                         skb->len, DMA_TO_DEVICE);
0505 
0506     if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
0507         rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
0508             "DMA mapping error\n");
0509         return;
0510     }
0511     /* Clear all status */
0512     CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
0513 
0514     /* This bit indicate this packet is used for FW download. */
0515     if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
0516         /* For firmware download we only need to set LINIP */
0517         set_tx_desc_linip(pdesc, tcb_desc->last_inipkt);
0518 
0519         /* 92SE must set as 1 for firmware download HW DMA error */
0520         set_tx_desc_first_seg(pdesc, 1);
0521         set_tx_desc_last_seg(pdesc, 1);
0522 
0523         /* 92SE need not to set TX packet size when firmware download */
0524         set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
0525         set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
0526         set_tx_desc_tx_buffer_address(pdesc, mapping);
0527 
0528         wmb();
0529         set_tx_desc_own(pdesc, 1);
0530     } else { /* H2C Command Desc format (Host TXCMD) */
0531         /* 92SE must set as 1 for firmware download HW DMA error */
0532         set_tx_desc_first_seg(pdesc, 1);
0533         set_tx_desc_last_seg(pdesc, 1);
0534 
0535         set_tx_desc_offset(pdesc, 0x20);
0536 
0537         /* Buffer size + command header */
0538         set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
0539         /* Fixed queue of H2C command */
0540         set_tx_desc_queue_sel(pdesc, 0x13);
0541 
0542         le32p_replace_bits((__le32 *)skb->data, rtlhal->h2c_txcmd_seq,
0543                    GENMASK(30, 24));
0544         set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
0545         set_tx_desc_tx_buffer_address(pdesc, mapping);
0546 
0547         wmb();
0548         set_tx_desc_own(pdesc, 1);
0549 
0550     }
0551 }
0552 
0553 void rtl92se_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx,
0554               u8 desc_name, u8 *val)
0555 {
0556     __le32 *pdesc = (__le32 *)pdesc8;
0557 
0558     if (istx) {
0559         switch (desc_name) {
0560         case HW_DESC_OWN:
0561             wmb();
0562             set_tx_desc_own(pdesc, 1);
0563             break;
0564         case HW_DESC_TX_NEXTDESC_ADDR:
0565             set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
0566             break;
0567         default:
0568             WARN_ONCE(true, "rtl8192se: ERR txdesc :%d not processed\n",
0569                   desc_name);
0570             break;
0571         }
0572     } else {
0573         switch (desc_name) {
0574         case HW_DESC_RXOWN:
0575             wmb();
0576             set_rx_status_desc_own(pdesc, 1);
0577             break;
0578         case HW_DESC_RXBUFF_ADDR:
0579             set_rx_status__desc_buff_addr(pdesc, *(u32 *)val);
0580             break;
0581         case HW_DESC_RXPKT_LEN:
0582             set_rx_status_desc_pkt_len(pdesc, *(u32 *)val);
0583             break;
0584         case HW_DESC_RXERO:
0585             set_rx_status_desc_eor(pdesc, 1);
0586             break;
0587         default:
0588             WARN_ONCE(true, "rtl8192se: ERR rxdesc :%d not processed\n",
0589                   desc_name);
0590             break;
0591         }
0592     }
0593 }
0594 
0595 u64 rtl92se_get_desc(struct ieee80211_hw *hw,
0596              u8 *desc8, bool istx, u8 desc_name)
0597 {
0598     u32 ret = 0;
0599     __le32 *desc = (__le32 *)desc8;
0600 
0601     if (istx) {
0602         switch (desc_name) {
0603         case HW_DESC_OWN:
0604             ret = get_tx_desc_own(desc);
0605             break;
0606         case HW_DESC_TXBUFF_ADDR:
0607             ret = get_tx_desc_tx_buffer_address(desc);
0608             break;
0609         default:
0610             WARN_ONCE(true, "rtl8192se: ERR txdesc :%d not processed\n",
0611                   desc_name);
0612             break;
0613         }
0614     } else {
0615         switch (desc_name) {
0616         case HW_DESC_OWN:
0617             ret = get_rx_status_desc_own(desc);
0618             break;
0619         case HW_DESC_RXPKT_LEN:
0620             ret = get_rx_status_desc_pkt_len(desc);
0621             break;
0622         case HW_DESC_RXBUFF_ADDR:
0623             ret = get_rx_status_desc_buff_addr(desc);
0624             break;
0625         default:
0626             WARN_ONCE(true, "rtl8192se: ERR rxdesc :%d not processed\n",
0627                   desc_name);
0628             break;
0629         }
0630     }
0631     return ret;
0632 }
0633 
0634 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
0635 {
0636     struct rtl_priv *rtlpriv = rtl_priv(hw);
0637     rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
0638 }
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