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1// SPDX-License-Identifier: GPL-2.02/* Copyright(c) 2009-2010 Realtek Corporation.*/3 4#include "../wifi.h"5#include "../pci.h"6#include "../base.h"7#include "../stats.h"8#include "reg.h"9#include "def.h"10#include "trx.h"11#include "led.h"12#include "dm.h"13#include "phy.h"14#include "fw.h"15 16static u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)17{18 __le16 fc = rtl_get_fc(skb);19 20 if (unlikely(ieee80211_is_beacon(fc)))21 return QSLT_BEACON;22 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))23 return QSLT_MGNT;24 25 return skb->priority;26}27 28static u16 odm_cfo(s8 value)29{30 int ret_val;31 32 if (value < 0) {33 ret_val = 0 - value;34 ret_val = (ret_val << 1) + (ret_val >> 1);35 /* set bit12 as 1 for negative cfo */36 ret_val = ret_val | BIT(12);37 } else {38 ret_val = value;39 ret_val = (ret_val << 1) + (ret_val >> 1);40 }41 return ret_val;42}43 44static u8 _rtl8821ae_evm_dbm_jaguar(s8 value)45{46 s8 ret_val = value;47 48 /* -33dB~0dB to 33dB ~ 0dB*/49 if (ret_val == -128)50 ret_val = 127;51 else if (ret_val < 0)52 ret_val = 0 - ret_val;53 54 ret_val = ret_val >> 1;55 return ret_val;56}57 58static void query_rxphystatus(struct ieee80211_hw *hw,59 struct rtl_stats *pstatus, __le32 *pdesc,60 struct rx_fwinfo_8821ae *p_drvinfo,61 bool bpacket_match_bssid,62 bool bpacket_toself, bool packet_beacon)63{64 struct rtl_priv *rtlpriv = rtl_priv(hw);65 struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;66 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));67 struct rtl_phy *rtlphy = &rtlpriv->phy;68 s8 rx_pwr_all = 0, rx_pwr[4];69 u8 rf_rx_num = 0, evm, evmdbm, pwdb_all;70 u8 i, max_spatial_stream;71 u32 rssi, total_rssi = 0;72 bool is_cck = pstatus->is_cck;73 u8 lan_idx, vga_idx;74 75 /* Record it for next packet processing */76 pstatus->packet_matchbssid = bpacket_match_bssid;77 pstatus->packet_toself = bpacket_toself;78 pstatus->packet_beacon = packet_beacon;79 pstatus->rx_mimo_signalquality[0] = -1;80 pstatus->rx_mimo_signalquality[1] = -1;81 82 if (is_cck) {83 u8 cck_highpwr;84 u8 cck_agc_rpt;85 86 cck_agc_rpt = p_phystrpt->cfosho[0];87 88 /* (1)Hardware does not provide RSSI for CCK89 * (2)PWDB, Average PWDB calculated by90 * hardware (for rate adaptive)91 */92 cck_highpwr = (u8)rtlphy->cck_high_power;93 94 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);95 vga_idx = (cck_agc_rpt & 0x1f);96 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) {97 switch (lan_idx) {98 case 7:99 if (vga_idx <= 27)100 /*VGA_idx = 27~2*/101 rx_pwr_all = -100 + 2*(27-vga_idx);102 else103 rx_pwr_all = -100;104 break;105 case 6:106 /*VGA_idx = 2~0*/107 rx_pwr_all = -48 + 2*(2-vga_idx);108 break;109 case 5:110 /*VGA_idx = 7~5*/111 rx_pwr_all = -42 + 2*(7-vga_idx);112 break;113 case 4:114 /*VGA_idx = 7~4*/115 rx_pwr_all = -36 + 2*(7-vga_idx);116 break;117 case 3:118 /*VGA_idx = 7~0*/119 rx_pwr_all = -24 + 2*(7-vga_idx);120 break;121 case 2:122 if (cck_highpwr)123 /*VGA_idx = 5~0*/124 rx_pwr_all = -12 + 2*(5-vga_idx);125 else126 rx_pwr_all = -6 + 2*(5-vga_idx);127 break;128 case 1:129 rx_pwr_all = 8-2*vga_idx;130 break;131 case 0:132 rx_pwr_all = 14-2*vga_idx;133 break;134 default:135 break;136 }137 rx_pwr_all += 6;138 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);139 if (!cck_highpwr) {140 if (pwdb_all >= 80)141 pwdb_all =142 ((pwdb_all - 80)<<1) +143 ((pwdb_all - 80)>>1) + 80;144 else if ((pwdb_all <= 78) && (pwdb_all >= 20))145 pwdb_all += 3;146 if (pwdb_all > 100)147 pwdb_all = 100;148 }149 } else { /* 8821 */150 s8 pout = -6;151 152 switch (lan_idx) {153 case 5:154 rx_pwr_all = pout - 32 - (2*vga_idx);155 break;156 case 4:157 rx_pwr_all = pout - 24 - (2*vga_idx);158 break;159 case 2:160 rx_pwr_all = pout - 11 - (2*vga_idx);161 break;162 case 1:163 rx_pwr_all = pout + 5 - (2*vga_idx);164 break;165 case 0:166 rx_pwr_all = pout + 21 - (2*vga_idx);167 break;168 }169 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);170 }171 172 pstatus->rx_pwdb_all = pwdb_all;173 pstatus->recvsignalpower = rx_pwr_all;174 175 /* (3) Get Signal Quality (EVM) */176 if (bpacket_match_bssid) {177 u8 sq;178 179 if (pstatus->rx_pwdb_all > 40) {180 sq = 100;181 } else {182 sq = p_phystrpt->pwdb_all;183 if (sq > 64)184 sq = 0;185 else if (sq < 20)186 sq = 100;187 else188 sq = ((64 - sq) * 100) / 44;189 }190 191 pstatus->signalquality = sq;192 pstatus->rx_mimo_signalquality[0] = sq;193 pstatus->rx_mimo_signalquality[1] = -1;194 }195 } else {196 /* (1)Get RSSI for HT rate */197 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {198 /* we will judge RF RX path now. */199 if (rtlpriv->dm.rfpath_rxenable[i])200 rf_rx_num++;201 202 rx_pwr[i] = (p_phystrpt->gain_trsw[i] & 0x7f) - 110;203 204 /* Translate DBM to percentage. */205 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);206 total_rssi += rssi;207 208 /* Get Rx snr value in DB */209 pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2;210 rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2;211 212 pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]);213 pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]);214 /* Record Signal Strength for next packet */215 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;216 }217 218 /* (2)PWDB, Average PWDB calculated by219 * hardware (for rate adaptive)220 */221 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;222 223 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);224 pstatus->rx_pwdb_all = pwdb_all;225 pstatus->rxpower = rx_pwr_all;226 pstatus->recvsignalpower = rx_pwr_all;227 228 /* (3)EVM of HT rate */229 if ((pstatus->is_ht && pstatus->rate >= DESC_RATEMCS8 &&230 pstatus->rate <= DESC_RATEMCS15) ||231 (pstatus->is_vht &&232 pstatus->rate >= DESC_RATEVHT2SS_MCS0 &&233 pstatus->rate <= DESC_RATEVHT2SS_MCS9))234 max_spatial_stream = 2;235 else236 max_spatial_stream = 1;237 238 for (i = 0; i < max_spatial_stream; i++) {239 evm = rtl_evm_db_to_percentage(p_phystrpt->rxevm[i]);240 evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]);241 242 if (bpacket_match_bssid) {243 /* Fill value in RFD, Get the first244 * spatial stream only245 */246 if (i == 0)247 pstatus->signalquality = evm;248 pstatus->rx_mimo_signalquality[i] = evm;249 pstatus->rx_mimo_evm_dbm[i] = evmdbm;250 }251 }252 if (bpacket_match_bssid) {253 for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)254 rtl_priv(hw)->dm.cfo_tail[i] =255 (s8)p_phystrpt->cfotail[i];256 257 rtl_priv(hw)->dm.packet_count++;258 }259 }260 261 /* UI BSS List signal strength(in percentage),262 * make it good looking, from 0~100.263 */264 if (is_cck)265 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,266 pwdb_all));267 else if (rf_rx_num != 0)268 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,269 total_rssi /= rf_rx_num));270 /*HW antenna diversity*/271 rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->antidx_anta;272 rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb;273}274 275static void translate_rx_signal_stuff(struct ieee80211_hw *hw,276 struct sk_buff *skb,277 struct rtl_stats *pstatus, __le32 *pdesc,278 struct rx_fwinfo_8821ae *p_drvinfo)279{280 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));281 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));282 struct ieee80211_hdr *hdr;283 u8 *tmp_buf;284 u8 *praddr;285 u8 *psaddr;286 __le16 fc;287 bool packet_matchbssid, packet_toself, packet_beacon;288 289 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;290 291 hdr = (struct ieee80211_hdr *)tmp_buf;292 fc = hdr->frame_control;293 praddr = hdr->addr1;294 psaddr = ieee80211_get_SA(hdr);295 ether_addr_copy(pstatus->psaddr, psaddr);296 297 packet_matchbssid = (!ieee80211_is_ctl(fc) &&298 (ether_addr_equal(mac->bssid,299 ieee80211_has_tods(fc) ?300 hdr->addr1 :301 ieee80211_has_fromds(fc) ?302 hdr->addr2 : hdr->addr3)) &&303 (!pstatus->hwerror) &&304 (!pstatus->crc) && (!pstatus->icv));305 306 packet_toself = packet_matchbssid &&307 (ether_addr_equal(praddr, rtlefuse->dev_addr));308 309 if (ieee80211_is_beacon(hdr->frame_control))310 packet_beacon = true;311 else312 packet_beacon = false;313 314 if (packet_beacon && packet_matchbssid)315 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;316 317 if (packet_matchbssid &&318 ieee80211_is_data_qos(hdr->frame_control) &&319 !is_multicast_ether_addr(ieee80211_get_DA(hdr))) {320 struct ieee80211_qos_hdr *hdr_qos =321 (struct ieee80211_qos_hdr *)tmp_buf;322 u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;323 324 if (tid != 0 && tid != 3)325 rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;326 }327 328 query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,329 packet_matchbssid, packet_toself,330 packet_beacon);331 /*_rtl8821ae_smart_antenna(hw, pstatus); */332 rtl_process_phyinfo(hw, tmp_buf, pstatus);333}334 335static void rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,336 __le32 *virtualaddress)337{338 u32 dwtmp = 0;339 340 memset(virtualaddress, 0, 8);341 342 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);343 if (ptcb_desc->empkt_num == 1) {344 dwtmp = ptcb_desc->empkt_len[0];345 } else {346 dwtmp = ptcb_desc->empkt_len[0];347 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;348 dwtmp += ptcb_desc->empkt_len[1];349 }350 set_earlymode_len0(virtualaddress, dwtmp);351 352 if (ptcb_desc->empkt_num <= 3) {353 dwtmp = ptcb_desc->empkt_len[2];354 } else {355 dwtmp = ptcb_desc->empkt_len[2];356 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;357 dwtmp += ptcb_desc->empkt_len[3];358 }359 set_earlymode_len1(virtualaddress, dwtmp);360 if (ptcb_desc->empkt_num <= 5) {361 dwtmp = ptcb_desc->empkt_len[4];362 } else {363 dwtmp = ptcb_desc->empkt_len[4];364 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;365 dwtmp += ptcb_desc->empkt_len[5];366 }367 set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);368 set_earlymode_len2_2(virtualaddress, dwtmp >> 4);369 if (ptcb_desc->empkt_num <= 7) {370 dwtmp = ptcb_desc->empkt_len[6];371 } else {372 dwtmp = ptcb_desc->empkt_len[6];373 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;374 dwtmp += ptcb_desc->empkt_len[7];375 }376 set_earlymode_len3(virtualaddress, dwtmp);377 if (ptcb_desc->empkt_num <= 9) {378 dwtmp = ptcb_desc->empkt_len[8];379 } else {380 dwtmp = ptcb_desc->empkt_len[8];381 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;382 dwtmp += ptcb_desc->empkt_len[9];383 }384 set_earlymode_len4(virtualaddress, dwtmp);385}386 387static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, __le32 *pdesc)388{389 struct rtl_priv *rtlpriv = rtl_priv(hw);390 u8 rx_rate = 0;391 392 rx_rate = get_rx_desc_rxmcs(pdesc);393 394 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);395 396 if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15))397 return true;398 return false;399}400 401static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, __le32 *pdesc)402{403 struct rtl_priv *rtlpriv = rtl_priv(hw);404 u8 rx_rate = 0;405 406 rx_rate = get_rx_desc_rxmcs(pdesc);407 408 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);409 410 if (rx_rate >= DESC_RATEVHT1SS_MCS0)411 return true;412 return false;413}414 415static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, __le32 *pdesc)416{417 u8 rx_rate = 0;418 u8 vht_nss = 0;419 420 rx_rate = get_rx_desc_rxmcs(pdesc);421 if ((rx_rate >= DESC_RATEVHT1SS_MCS0) &&422 (rx_rate <= DESC_RATEVHT1SS_MCS9))423 vht_nss = 1;424 else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) &&425 (rx_rate <= DESC_RATEVHT2SS_MCS9))426 vht_nss = 2;427 428 return vht_nss;429}430 431bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,432 struct rtl_stats *status,433 struct ieee80211_rx_status *rx_status,434 u8 *pdesc8, struct sk_buff *skb)435{436 struct rtl_priv *rtlpriv = rtl_priv(hw);437 struct rx_fwinfo_8821ae *p_drvinfo;438 struct ieee80211_hdr *hdr;439 u8 wake_match;440 __le32 *pdesc = (__le32 *)pdesc8;441 u32 phystatus = get_rx_desc_physt(pdesc);442 443 status->length = (u16)get_rx_desc_pkt_len(pdesc);444 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *445 RX_DRV_INFO_SIZE_UNIT;446 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);447 status->icv = (u16)get_rx_desc_icv(pdesc);448 status->crc = (u16)get_rx_desc_crc32(pdesc);449 status->hwerror = (status->crc | status->icv);450 status->decrypted = !get_rx_desc_swdec(pdesc);451 status->rate = (u8)get_rx_desc_rxmcs(pdesc);452 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);453 status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);454 status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);455 status->timestamp_low = get_rx_desc_tsfl(pdesc);456 status->rx_packet_bw = get_rx_desc_bw(pdesc);457 status->macid = get_rx_desc_macid(pdesc);458 status->is_short_gi = !(bool)get_rx_desc_splcp(pdesc);459 status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc);460 status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc);461 status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc);462 status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate);463 464 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,465 "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n",466 (status->rx_packet_bw == 2) ? "80M" :467 (status->rx_packet_bw == 1) ? "40M" : "20M",468 status->is_ht, status->is_vht, status->vht_nss,469 status->is_short_gi);470 471 if (get_rx_status_desc_rpt_sel(pdesc))472 status->packet_report_type = C2H_PACKET;473 else474 status->packet_report_type = NORMAL_RX;475 476 if (get_rx_status_desc_pattern_match(pdesc))477 wake_match = BIT(2);478 else if (get_rx_status_desc_magic_match(pdesc))479 wake_match = BIT(1);480 else if (get_rx_status_desc_unicast_match(pdesc))481 wake_match = BIT(0);482 else483 wake_match = 0;484 485 if (wake_match)486 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,487 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",488 wake_match);489 rx_status->freq = hw->conf.chandef.chan->center_freq;490 rx_status->band = hw->conf.chandef.chan->band;491 492 hdr = (struct ieee80211_hdr *)(skb->data +493 status->rx_drvinfo_size + status->rx_bufshift);494 495 if (status->crc)496 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;497 498 if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40)499 rx_status->bw = RATE_INFO_BW_40;500 else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)501 rx_status->bw = RATE_INFO_BW_80;502 if (status->is_ht)503 rx_status->encoding = RX_ENC_HT;504 if (status->is_vht)505 rx_status->encoding = RX_ENC_VHT;506 507 if (status->is_short_gi)508 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;509 510 rx_status->nss = status->vht_nss;511 rx_status->flag |= RX_FLAG_MACTIME_START;512 513 /* hw will set status->decrypted true, if it finds the514 * frame is open data frame or mgmt frame.515 * So hw will not decryption robust managment frame516 * for IEEE80211w but still set status->decrypted517 * true, so here we should set it back to undecrypted518 * for IEEE80211w frame, and mac80211 sw will help519 * to decrypt it520 */521 if (status->decrypted) {522 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&523 (ieee80211_has_protected(hdr->frame_control)))524 rx_status->flag |= RX_FLAG_DECRYPTED;525 else526 rx_status->flag &= ~RX_FLAG_DECRYPTED;527 }528 529 /* rate_idx: index of data rate into band's530 * supported rates or MCS index if HT rates531 * are use (RX_FLAG_HT)532 */533 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,534 status->is_vht,535 status->rate);536 537 rx_status->mactime = status->timestamp_low;538 if (phystatus) {539 p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +540 status->rx_bufshift);541 542 translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);543 }544 rx_status->signal = status->recvsignalpower + 10;545 if (status->packet_report_type == TX_REPORT2) {546 status->macid_valid_entry[0] =547 get_rx_rpt2_desc_macid_valid_1(pdesc);548 status->macid_valid_entry[1] =549 get_rx_rpt2_desc_macid_valid_2(pdesc);550 }551 return true;552}553 554static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw,555 struct rtl_tcb_desc *ptcb_desc)556{557 struct rtl_priv *rtlpriv = rtl_priv(hw);558 struct rtl_phy *rtlphy = &rtlpriv->phy;559 u8 bw_setting_of_desc = 0;560 561 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,562 "%s, current_chan_bw %d, packet_bw %d\n",563 __func__,564 rtlphy->current_chan_bw, ptcb_desc->packet_bw);565 566 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {567 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)568 bw_setting_of_desc = 2;569 else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40)570 bw_setting_of_desc = 1;571 else572 bw_setting_of_desc = 0;573 } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {574 if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) ||575 (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80))576 bw_setting_of_desc = 1;577 else578 bw_setting_of_desc = 0;579 } else {580 bw_setting_of_desc = 0;581 }582 return bw_setting_of_desc;583}584 585static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw,586 struct rtl_tcb_desc *ptcb_desc)587{588 struct rtl_priv *rtlpriv = rtl_priv(hw);589 struct rtl_phy *rtlphy = &rtlpriv->phy;590 struct rtl_mac *mac = rtl_mac(rtlpriv);591 u8 sc_setting_of_desc = 0;592 593 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {594 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) {595 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;596 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {597 if (mac->cur_80_prime_sc ==598 HAL_PRIME_CHNL_OFFSET_LOWER)599 sc_setting_of_desc =600 VHT_DATA_SC_40_LOWER_OF_80MHZ;601 else if (mac->cur_80_prime_sc ==602 HAL_PRIME_CHNL_OFFSET_UPPER)603 sc_setting_of_desc =604 VHT_DATA_SC_40_UPPER_OF_80MHZ;605 else606 rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD,607 "%s: Not Correct Primary40MHz Setting\n",608 __func__);609 } else {610 if ((mac->cur_40_prime_sc ==611 HAL_PRIME_CHNL_OFFSET_LOWER) &&612 (mac->cur_80_prime_sc ==613 HAL_PRIME_CHNL_OFFSET_LOWER))614 sc_setting_of_desc =615 VHT_DATA_SC_20_LOWEST_OF_80MHZ;616 else if ((mac->cur_40_prime_sc ==617 HAL_PRIME_CHNL_OFFSET_UPPER) &&618 (mac->cur_80_prime_sc ==619 HAL_PRIME_CHNL_OFFSET_LOWER))620 sc_setting_of_desc =621 VHT_DATA_SC_20_LOWER_OF_80MHZ;622 else if ((mac->cur_40_prime_sc ==623 HAL_PRIME_CHNL_OFFSET_LOWER) &&624 (mac->cur_80_prime_sc ==625 HAL_PRIME_CHNL_OFFSET_UPPER))626 sc_setting_of_desc =627 VHT_DATA_SC_20_UPPER_OF_80MHZ;628 else if ((mac->cur_40_prime_sc ==629 HAL_PRIME_CHNL_OFFSET_UPPER) &&630 (mac->cur_80_prime_sc ==631 HAL_PRIME_CHNL_OFFSET_UPPER))632 sc_setting_of_desc =633 VHT_DATA_SC_20_UPPERST_OF_80MHZ;634 else635 rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD,636 "%s: Not Correct Primary40MHz Setting\n",637 __func__);638 }639 } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {640 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {641 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;642 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) {643 if (mac->cur_40_prime_sc ==644 HAL_PRIME_CHNL_OFFSET_UPPER) {645 sc_setting_of_desc =646 VHT_DATA_SC_20_UPPER_OF_80MHZ;647 } else if (mac->cur_40_prime_sc ==648 HAL_PRIME_CHNL_OFFSET_LOWER){649 sc_setting_of_desc =650 VHT_DATA_SC_20_LOWER_OF_80MHZ;651 } else {652 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;653 }654 }655 } else {656 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;657 }658 659 return sc_setting_of_desc;660}661 662void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,663 struct ieee80211_hdr *hdr, u8 *pdesc8, u8 *txbd,664 struct ieee80211_tx_info *info,665 struct ieee80211_sta *sta,666 struct sk_buff *skb,667 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)668{669 struct rtl_priv *rtlpriv = rtl_priv(hw);670 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));671 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));672 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);673 struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);674 u16 seq_number;675 __le16 fc = hdr->frame_control;676 unsigned int buf_len = 0;677 unsigned int skb_len = skb->len;678 u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue);679 bool firstseg = ((hdr->seq_ctrl &680 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);681 bool lastseg = ((hdr->frame_control &682 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);683 dma_addr_t mapping;684 u8 short_gi = 0;685 bool tmp_bool;686 __le32 *pdesc = (__le32 *)pdesc8;687 688 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;689 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);690 /* reserve 8 byte for AMPDU early mode */691 if (rtlhal->earlymode_enable) {692 skb_push(skb, EM_HDR_LEN);693 memset(skb->data, 0, EM_HDR_LEN);694 }695 buf_len = skb->len;696 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,697 DMA_TO_DEVICE);698 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {699 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,700 "DMA mapping error\n");701 return;702 }703 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8821ae));704 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {705 firstseg = true;706 lastseg = true;707 }708 if (firstseg) {709 if (rtlhal->earlymode_enable) {710 set_tx_desc_pkt_offset(pdesc, 1);711 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +712 EM_HDR_LEN);713 if (ptcb_desc->empkt_num) {714 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,715 "Insert 8 byte.pTcb->EMPktNum:%d\n",716 ptcb_desc->empkt_num);717 rtl8821ae_insert_emcontent(ptcb_desc,718 (__le32 *)skb->data);719 }720 } else {721 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);722 }723 724 725 /* ptcb_desc->use_driver_rate = true; */726 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);727 if (ptcb_desc->hw_rate > DESC_RATEMCS0)728 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;729 else730 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;731 732 set_tx_desc_data_shortgi(pdesc, short_gi);733 734 if (info->flags & IEEE80211_TX_CTL_AMPDU) {735 set_tx_desc_agg_enable(pdesc, 1);736 set_tx_desc_max_agg_num(pdesc, 0x1f);737 }738 set_tx_desc_seq(pdesc, seq_number);739 set_tx_desc_rts_enable(pdesc,740 ((ptcb_desc->rts_enable &&741 !ptcb_desc->cts_enable) ? 1 : 0));742 set_tx_desc_hw_rts_enable(pdesc, 0);743 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));744 745 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);746 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);747 tmp_bool = ((ptcb_desc->rts_rate <= DESC_RATE54M) ?748 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :749 (ptcb_desc->rts_use_shortgi ? 1 : 0));750 set_tx_desc_rts_short(pdesc, tmp_bool);751 752 if (ptcb_desc->tx_enable_sw_calc_duration)753 set_tx_desc_nav_use_hdr(pdesc, 1);754 755 set_tx_desc_data_bw(pdesc,756 rtl8821ae_bw_mapping(hw, ptcb_desc));757 758 set_tx_desc_tx_sub_carrier(pdesc,759 rtl8821ae_sc_mapping(hw, ptcb_desc));760 761 set_tx_desc_linip(pdesc, 0);762 set_tx_desc_pkt_size(pdesc, (u16)skb_len);763 if (sta) {764 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;765 766 set_tx_desc_ampdu_density(pdesc, ampdu_density);767 }768 if (info->control.hw_key) {769 struct ieee80211_key_conf *keyconf =770 info->control.hw_key;771 switch (keyconf->cipher) {772 case WLAN_CIPHER_SUITE_WEP40:773 case WLAN_CIPHER_SUITE_WEP104:774 case WLAN_CIPHER_SUITE_TKIP:775 set_tx_desc_sec_type(pdesc, 0x1);776 break;777 case WLAN_CIPHER_SUITE_CCMP:778 set_tx_desc_sec_type(pdesc, 0x3);779 break;780 default:781 set_tx_desc_sec_type(pdesc, 0x0);782 break;783 }784 }785 786 set_tx_desc_queue_sel(pdesc, fw_qsel);787 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);788 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);789 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?790 1 : 0);791 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);792 793 if (ieee80211_is_data_qos(fc)) {794 if (mac->rdg_en) {795 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,796 "Enable RDG function.\n");797 set_tx_desc_rdg_enable(pdesc, 1);798 set_tx_desc_htc(pdesc, 1);799 }800 }801 /* tx report */802 rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);803 }804 805 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));806 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));807 set_tx_desc_tx_buffer_size(pdesc, buf_len);808 set_tx_desc_tx_buffer_address(pdesc, mapping);809 /* if (rtlpriv->dm.useramask) { */810 if (1) {811 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);812 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);813 } else {814 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);815 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);816 }817 if (!ieee80211_is_data_qos(fc)) {818 set_tx_desc_hwseq_en(pdesc, 1);819 set_tx_desc_hwseq_sel(pdesc, 0);820 }821 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));822 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||823 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {824 set_tx_desc_bmc(pdesc, 1);825 }826 827 rtl8821ae_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id);828 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");829}830 831void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,832 struct sk_buff *skb)833{834 struct rtl_priv *rtlpriv = rtl_priv(hw);835 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));836 u8 fw_queue = QSLT_BEACON;837 __le32 *pdesc = (__le32 *)pdesc8;838 839 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,840 skb->len, DMA_TO_DEVICE);841 842 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {843 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,844 "DMA mapping error\n");845 return;846 }847 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);848 849 set_tx_desc_first_seg(pdesc, 1);850 set_tx_desc_last_seg(pdesc, 1);851 852 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));853 854 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);855 856 set_tx_desc_use_rate(pdesc, 1);857 set_tx_desc_tx_rate(pdesc, DESC_RATE1M);858 set_tx_desc_disable_fb(pdesc, 1);859 860 set_tx_desc_data_bw(pdesc, 0);861 862 set_tx_desc_hwseq_en(pdesc, 1);863 864 set_tx_desc_queue_sel(pdesc, fw_queue);865 866 set_tx_desc_tx_buffer_size(pdesc, skb->len);867 868 set_tx_desc_tx_buffer_address(pdesc, mapping);869 870 set_tx_desc_macid(pdesc, 0);871 872 set_tx_desc_own(pdesc, 1);873 874 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,875 "H2C Tx Cmd Content\n",876 pdesc8, TX_DESC_SIZE);877}878 879void rtl8821ae_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,880 bool istx, u8 desc_name, u8 *val)881{882 __le32 *pdesc = (__le32 *)pdesc8;883 884 if (istx) {885 switch (desc_name) {886 case HW_DESC_OWN:887 set_tx_desc_own(pdesc, 1);888 break;889 case HW_DESC_TX_NEXTDESC_ADDR:890 set_tx_desc_next_desc_address(pdesc, *(u32 *)val);891 break;892 default:893 WARN_ONCE(true,894 "rtl8821ae: ERR txdesc :%d not processed\n",895 desc_name);896 break;897 }898 } else {899 switch (desc_name) {900 case HW_DESC_RXOWN:901 set_rx_desc_own(pdesc, 1);902 break;903 case HW_DESC_RXBUFF_ADDR:904 set_rx_desc_buff_addr(pdesc, *(u32 *)val);905 break;906 case HW_DESC_RXPKT_LEN:907 set_rx_desc_pkt_len(pdesc, *(u32 *)val);908 break;909 case HW_DESC_RXERO:910 set_rx_desc_eor(pdesc, 1);911 break;912 default:913 WARN_ONCE(true,914 "rtl8821ae: ERR rxdesc :%d not processed\n",915 desc_name);916 break;917 }918 }919}920 921u64 rtl8821ae_get_desc(struct ieee80211_hw *hw,922 u8 *pdesc8, bool istx, u8 desc_name)923{924 u32 ret = 0;925 __le32 *pdesc = (__le32 *)pdesc8;926 927 if (istx) {928 switch (desc_name) {929 case HW_DESC_OWN:930 ret = get_tx_desc_own(pdesc);931 break;932 case HW_DESC_TXBUFF_ADDR:933 ret = get_tx_desc_tx_buffer_address(pdesc);934 break;935 default:936 WARN_ONCE(true,937 "rtl8821ae: ERR txdesc :%d not processed\n",938 desc_name);939 break;940 }941 } else {942 switch (desc_name) {943 case HW_DESC_OWN:944 ret = get_rx_desc_own(pdesc);945 break;946 case HW_DESC_RXPKT_LEN:947 ret = get_rx_desc_pkt_len(pdesc);948 break;949 case HW_DESC_RXBUFF_ADDR:950 ret = get_rx_desc_buff_addr(pdesc);951 break;952 default:953 WARN_ONCE(true,954 "rtl8821ae: ERR rxdesc :%d not processed\n",955 desc_name);956 break;957 }958 }959 return ret;960}961 962bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw,963 u8 hw_queue, u16 index)964{965 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));966 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];967 u8 *entry = (u8 *)(&ring->desc[ring->idx]);968 u8 own = (u8)rtl8821ae_get_desc(hw, entry, true, HW_DESC_OWN);969 970 /**971 *beacon packet will only use the first972 *descriptor defautly,and the own may not973 *be cleared by the hardware974 */975 if (own)976 return false;977 return true;978}979 980void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)981{982 struct rtl_priv *rtlpriv = rtl_priv(hw);983 984 if (hw_queue == BEACON_QUEUE) {985 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));986 } else {987 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,988 BIT(0) << (hw_queue));989 }990}991