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1// SPDX-License-Identifier: GPL-2.02/* Copyright(c) 2009-2012 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 "phy.h"11#include "trx.h"12#include "led.h"13 14static u8 _rtl8723e_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)15{16 __le16 fc = rtl_get_fc(skb);17 18 if (unlikely(ieee80211_is_beacon(fc)))19 return QSLT_BEACON;20 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))21 return QSLT_MGNT;22 23 return skb->priority;24}25 26static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw,27 struct rtl_stats *pstatus, u8 *pdesc,28 struct rx_fwinfo_8723e *p_drvinfo,29 bool bpacket_match_bssid,30 bool bpacket_toself, bool packet_beacon)31{32 struct rtl_priv *rtlpriv = rtl_priv(hw);33 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);34 struct phy_sts_cck_8723e_t *cck_buf;35 s8 rx_pwr_all = 0, rx_pwr[4];36 u8 rf_rx_num = 0, evm, pwdb_all;37 u8 i, max_spatial_stream;38 u32 rssi, total_rssi = 0;39 bool is_cck = pstatus->is_cck;40 41 /* Record it for next packet processing */42 pstatus->packet_matchbssid = bpacket_match_bssid;43 pstatus->packet_toself = bpacket_toself;44 pstatus->packet_beacon = packet_beacon;45 pstatus->rx_mimo_signalquality[0] = -1;46 pstatus->rx_mimo_signalquality[1] = -1;47 48 if (is_cck) {49 u8 report, cck_highpwr;50 51 /* CCK Driver info Structure is not the same as OFDM packet. */52 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;53 54 /* (1)Hardware does not provide RSSI for CCK */55 /* (2)PWDB, Average PWDB calculated by56 * hardware (for rate adaptive)57 */58 if (ppsc->rfpwr_state == ERFON)59 cck_highpwr = (u8)rtl_get_bbreg(hw,60 RFPGA0_XA_HSSIPARAMETER2,61 BIT(9));62 else63 cck_highpwr = false;64 65 if (!cck_highpwr) {66 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;67 report = cck_buf->cck_agc_rpt & 0xc0;68 report = report >> 6;69 switch (report) {70 case 0x3:71 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);72 break;73 case 0x2:74 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);75 break;76 case 0x1:77 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);78 break;79 case 0x0:80 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);81 break;82 }83 } else {84 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;85 report = p_drvinfo->cfosho[0] & 0x60;86 report = report >> 5;87 switch (report) {88 case 0x3:89 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);90 break;91 case 0x2:92 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);93 break;94 case 0x1:95 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);96 break;97 case 0x0:98 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);99 break;100 }101 }102 103 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);104 /* CCK gain is smaller than OFDM/MCS gain, */105 /* so we add gain diff by experiences,106 * the val is 6107 */108 pwdb_all += 6;109 if (pwdb_all > 100)110 pwdb_all = 100;111 /* modify the offset to make the same112 * gain index with OFDM.113 */114 if (pwdb_all > 34 && pwdb_all <= 42)115 pwdb_all -= 2;116 else if (pwdb_all > 26 && pwdb_all <= 34)117 pwdb_all -= 6;118 else if (pwdb_all > 14 && pwdb_all <= 26)119 pwdb_all -= 8;120 else if (pwdb_all > 4 && pwdb_all <= 14)121 pwdb_all -= 4;122 123 pstatus->rx_pwdb_all = pwdb_all;124 pstatus->recvsignalpower = rx_pwr_all;125 126 /* (3) Get Signal Quality (EVM) */127 if (bpacket_match_bssid) {128 u8 sq;129 130 if (pstatus->rx_pwdb_all > 40)131 sq = 100;132 else {133 sq = cck_buf->sq_rpt;134 if (sq > 64)135 sq = 0;136 else if (sq < 20)137 sq = 100;138 else139 sq = ((64 - sq) * 100) / 44;140 }141 142 pstatus->signalquality = sq;143 pstatus->rx_mimo_signalquality[0] = sq;144 pstatus->rx_mimo_signalquality[1] = -1;145 }146 } else {147 rtlpriv->dm.rfpath_rxenable[0] =148 rtlpriv->dm.rfpath_rxenable[1] = true;149 150 /* (1)Get RSSI for HT rate */151 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {152 153 /* we will judge RF RX path now. */154 if (rtlpriv->dm.rfpath_rxenable[i])155 rf_rx_num++;156 157 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &158 0x3f) * 2) - 110;159 160 /* Translate DBM to percentage. */161 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);162 total_rssi += rssi;163 164 /* Get Rx snr value in DB */165 rtlpriv->stats.rx_snr_db[i] =166 (long)(p_drvinfo->rxsnr[i] / 2);167 168 /* Record Signal Strength for next packet */169 if (bpacket_match_bssid)170 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;171 }172 173 /* (2)PWDB, Average PWDB calculated by174 * hardware (for rate adaptive)175 */176 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;177 178 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);179 pstatus->rx_pwdb_all = pwdb_all;180 pstatus->rxpower = rx_pwr_all;181 pstatus->recvsignalpower = rx_pwr_all;182 183 /* (3)EVM of HT rate */184 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&185 pstatus->rate <= DESC92C_RATEMCS15)186 max_spatial_stream = 2;187 else188 max_spatial_stream = 1;189 190 for (i = 0; i < max_spatial_stream; i++) {191 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);192 193 if (bpacket_match_bssid) {194 /* Fill value in RFD, Get the first195 * spatial stream only196 */197 if (i == 0)198 pstatus->signalquality =199 (u8)(evm & 0xff);200 pstatus->rx_mimo_signalquality[i] =201 (u8)(evm & 0xff);202 }203 }204 }205 206 /* UI BSS List signal strength(in percentage),207 * make it good looking, from 0~100.208 */209 if (is_cck)210 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,211 pwdb_all));212 else if (rf_rx_num != 0)213 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,214 total_rssi /= rf_rx_num));215}216 217static void translate_rx_signal_stuff(struct ieee80211_hw *hw,218 struct sk_buff *skb,219 struct rtl_stats *pstatus, u8 *pdesc,220 struct rx_fwinfo_8723e *p_drvinfo)221{222 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));223 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));224 struct ieee80211_hdr *hdr;225 u8 *tmp_buf;226 u8 *praddr;227 /*u8 *psaddr;*/228 u16 fc, type;229 bool packet_matchbssid, packet_toself, packet_beacon;230 231 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;232 233 hdr = (struct ieee80211_hdr *)tmp_buf;234 fc = le16_to_cpu(hdr->frame_control);235 type = WLAN_FC_GET_TYPE(hdr->frame_control);236 praddr = hdr->addr1;237 238 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&239 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?240 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?241 hdr->addr2 : hdr->addr3)) &&242 (!pstatus->hwerror) &&243 (!pstatus->crc) && (!pstatus->icv));244 245 packet_toself = packet_matchbssid &&246 (ether_addr_equal(praddr, rtlefuse->dev_addr));247 248 if (ieee80211_is_beacon(hdr->frame_control))249 packet_beacon = true;250 else251 packet_beacon = false;252 253 _rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,254 packet_matchbssid, packet_toself,255 packet_beacon);256 257 rtl_process_phyinfo(hw, tmp_buf, pstatus);258}259 260bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw,261 struct rtl_stats *status,262 struct ieee80211_rx_status *rx_status,263 u8 *pdesc8, struct sk_buff *skb)264{265 struct rx_fwinfo_8723e *p_drvinfo;266 struct ieee80211_hdr *hdr;267 __le32 *pdesc = (__le32 *)pdesc8;268 u32 phystatus = get_rx_desc_physt(pdesc);269 270 status->length = (u16)get_rx_desc_pkt_len(pdesc);271 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *272 RX_DRV_INFO_SIZE_UNIT;273 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);274 status->icv = (u16)get_rx_desc_icv(pdesc);275 status->crc = (u16)get_rx_desc_crc32(pdesc);276 status->hwerror = (status->crc | status->icv);277 status->decrypted = !get_rx_desc_swdec(pdesc);278 status->rate = (u8)get_rx_desc_rxmcs(pdesc);279 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);280 status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);281 status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&282 (get_rx_desc_faggr(pdesc) == 1));283 status->timestamp_low = get_rx_desc_tsfl(pdesc);284 status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);285 status->is_ht = (bool)get_rx_desc_rxht(pdesc);286 287 status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);288 289 rx_status->freq = hw->conf.chandef.chan->center_freq;290 rx_status->band = hw->conf.chandef.chan->band;291 292 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size293 + status->rx_bufshift);294 295 if (status->crc)296 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;297 298 if (status->rx_is40mhzpacket)299 rx_status->bw = RATE_INFO_BW_40;300 301 if (status->is_ht)302 rx_status->encoding = RX_ENC_HT;303 304 rx_status->flag |= RX_FLAG_MACTIME_START;305 306 /* hw will set status->decrypted true, if it finds the307 * frame is open data frame or mgmt frame.308 * So hw will not decryption robust managment frame309 * for IEEE80211w but still set status->decrypted310 * true, so here we should set it back to undecrypted311 * for IEEE80211w frame, and mac80211 sw will help312 * to decrypt it313 */314 if (status->decrypted) {315 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&316 (ieee80211_has_protected(hdr->frame_control)))317 rx_status->flag |= RX_FLAG_DECRYPTED;318 else319 rx_status->flag &= ~RX_FLAG_DECRYPTED;320 }321 322 /* rate_idx: index of data rate into band's323 * supported rates or MCS index if HT rates324 * are use (RX_FLAG_HT)325 * Notice: this is diff with windows define326 */327 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,328 false, status->rate);329 330 rx_status->mactime = status->timestamp_low;331 if (phystatus == true) {332 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +333 status->rx_bufshift);334 335 translate_rx_signal_stuff(hw, skb, status, pdesc8, p_drvinfo);336 }337 rx_status->signal = status->recvsignalpower + 10;338 return true;339}340 341void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,342 struct ieee80211_hdr *hdr, u8 *pdesc_tx,343 u8 *txbd, struct ieee80211_tx_info *info,344 struct ieee80211_sta *sta,345 struct sk_buff *skb,346 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)347{348 struct rtl_priv *rtlpriv = rtl_priv(hw);349 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));350 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));351 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));352 /* bool b_trigger_ac = false; */353 u8 *pdesc8 = (u8 *)pdesc_tx;354 __le32 *pdesc = (__le32 *)pdesc8;355 u16 seq_number;356 __le16 fc = hdr->frame_control;357 u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);358 bool firstseg = ((hdr->seq_ctrl &359 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);360 361 bool lastseg = ((hdr->frame_control &362 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);363 364 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,365 skb->len, DMA_TO_DEVICE);366 u8 bw_40 = 0;367 368 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {369 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,370 "DMA mapping error\n");371 return;372 }373 if (mac->opmode == NL80211_IFTYPE_STATION) {374 bw_40 = mac->bw_40;375 } else if (mac->opmode == NL80211_IFTYPE_AP ||376 mac->opmode == NL80211_IFTYPE_ADHOC) {377 if (sta)378 bw_40 = sta->deflink.ht_cap.cap &379 IEEE80211_HT_CAP_SUP_WIDTH_20_40;380 }381 382 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;383 384 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);385 386 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723e));387 388 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {389 firstseg = true;390 lastseg = true;391 }392 393 if (firstseg) {394 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);395 396 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);397 398 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)399 set_tx_desc_data_shortgi(pdesc, 1);400 401 if (info->flags & IEEE80211_TX_CTL_AMPDU) {402 set_tx_desc_agg_break(pdesc, 1);403 set_tx_desc_max_agg_num(pdesc, 0x14);404 }405 set_tx_desc_seq(pdesc, seq_number);406 407 set_tx_desc_rts_enable(pdesc,408 ((ptcb_desc->rts_enable &&409 !ptcb_desc->cts_enable) ? 1 : 0));410 set_tx_desc_hw_rts_enable(pdesc,411 ((ptcb_desc->rts_enable ||412 ptcb_desc->cts_enable) ? 1 : 0));413 set_tx_desc_cts2self(pdesc,414 ((ptcb_desc->cts_enable) ? 1 : 0));415 set_tx_desc_rts_stbc(pdesc,416 ((ptcb_desc->rts_stbc) ? 1 : 0));417 418 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);419 set_tx_desc_rts_bw(pdesc, 0);420 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);421 set_tx_desc_rts_short(pdesc,422 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?423 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)424 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));425 426 if (bw_40) {427 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {428 set_tx_desc_data_bw(pdesc, 1);429 set_tx_desc_tx_sub_carrier(pdesc, 3);430 } else {431 set_tx_desc_data_bw(pdesc, 0);432 set_tx_desc_tx_sub_carrier(pdesc,433 mac->cur_40_prime_sc);434 }435 } else {436 set_tx_desc_data_bw(pdesc, 0);437 set_tx_desc_tx_sub_carrier(pdesc, 0);438 }439 440 set_tx_desc_linip(pdesc, 0);441 set_tx_desc_pkt_size(pdesc, (u16)skb->len);442 443 if (sta) {444 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;445 set_tx_desc_ampdu_density(pdesc, ampdu_density);446 }447 448 if (info->control.hw_key) {449 struct ieee80211_key_conf *keyconf =450 info->control.hw_key;451 452 switch (keyconf->cipher) {453 case WLAN_CIPHER_SUITE_WEP40:454 case WLAN_CIPHER_SUITE_WEP104:455 case WLAN_CIPHER_SUITE_TKIP:456 set_tx_desc_sec_type(pdesc, 0x1);457 break;458 case WLAN_CIPHER_SUITE_CCMP:459 set_tx_desc_sec_type(pdesc, 0x3);460 break;461 default:462 set_tx_desc_sec_type(pdesc, 0x0);463 break;464 465 }466 }467 468 set_tx_desc_pkt_id(pdesc, 0);469 set_tx_desc_queue_sel(pdesc, fw_qsel);470 471 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);472 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);473 set_tx_desc_disable_fb(pdesc, 0);474 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);475 476 if (ieee80211_is_data_qos(fc)) {477 if (mac->rdg_en) {478 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,479 "Enable RDG function.\n");480 set_tx_desc_rdg_enable(pdesc, 1);481 set_tx_desc_htc(pdesc, 1);482 }483 }484 }485 486 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));487 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));488 489 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);490 491 set_tx_desc_tx_buffer_address(pdesc, mapping);492 493 if (rtlpriv->dm.useramask) {494 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);495 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);496 } else {497 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);498 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index);499 }500 501 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {502 set_tx_desc_hwseq_en_8723(pdesc, 1);503 /* set_tx_desc_hwseq_en(pdesc, 1); */504 /* set_tx_desc_pkt_id(pdesc, 8); */505 /* set_tx_desc_qos(pdesc, 1); */506 }507 508 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));509 510 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||511 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {512 set_tx_desc_bmc(pdesc, 1);513 }514 515 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");516}517 518void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,519 struct sk_buff *skb)520{521 struct rtl_priv *rtlpriv = rtl_priv(hw);522 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));523 u8 fw_queue = QSLT_BEACON;524 __le32 *pdesc = (__le32 *)pdesc8;525 526 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);527 __le16 fc = hdr->frame_control;528 529 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,530 skb->len, DMA_TO_DEVICE);531 532 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {533 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,534 "DMA mapping error\n");535 return;536 }537 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);538 539 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);540 541 set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);542 543 set_tx_desc_seq(pdesc, 0);544 545 set_tx_desc_linip(pdesc, 0);546 547 set_tx_desc_queue_sel(pdesc, fw_queue);548 549 set_tx_desc_first_seg(pdesc, 1);550 set_tx_desc_last_seg(pdesc, 1);551 552 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));553 554 set_tx_desc_tx_buffer_address(pdesc, mapping);555 556 set_tx_desc_rate_id(pdesc, 7);557 set_tx_desc_macid(pdesc, 0);558 559 set_tx_desc_own(pdesc, 1);560 561 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));562 563 set_tx_desc_first_seg(pdesc, 1);564 set_tx_desc_last_seg(pdesc, 1);565 566 set_tx_desc_offset(pdesc, 0x20);567 568 set_tx_desc_use_rate(pdesc, 1);569 570 if (!ieee80211_is_data_qos(fc)) {571 set_tx_desc_hwseq_en_8723(pdesc, 1);572 /* set_tx_desc_hwseq_en(pdesc, 1); */573 /* set_tx_desc_pkt_id(pdesc, 8); */574 }575 576 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,577 "H2C Tx Cmd Content\n",578 pdesc, TX_DESC_SIZE);579}580 581void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,582 bool istx, u8 desc_name, u8 *val)583{584 __le32 *pdesc = (__le32 *)pdesc8;585 586 if (istx) {587 switch (desc_name) {588 case HW_DESC_OWN:589 set_tx_desc_own(pdesc, 1);590 break;591 case HW_DESC_TX_NEXTDESC_ADDR:592 set_tx_desc_next_desc_address(pdesc, *(u32 *)val);593 break;594 default:595 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",596 desc_name);597 break;598 }599 } else {600 switch (desc_name) {601 case HW_DESC_RXOWN:602 set_rx_desc_own(pdesc, 1);603 break;604 case HW_DESC_RXBUFF_ADDR:605 set_rx_desc_buff_addr(pdesc, *(u32 *)val);606 break;607 case HW_DESC_RXPKT_LEN:608 set_rx_desc_pkt_len(pdesc, *(u32 *)val);609 break;610 case HW_DESC_RXERO:611 set_rx_desc_eor(pdesc, 1);612 break;613 default:614 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",615 desc_name);616 break;617 }618 }619}620 621u64 rtl8723e_get_desc(struct ieee80211_hw *hw,622 u8 *pdesc8, bool istx, u8 desc_name)623{624 u32 ret = 0;625 __le32 *pdesc = (__le32 *)pdesc8;626 627 if (istx) {628 switch (desc_name) {629 case HW_DESC_OWN:630 ret = get_tx_desc_own(pdesc);631 break;632 case HW_DESC_TXBUFF_ADDR:633 ret = get_tx_desc_tx_buffer_address(pdesc);634 break;635 default:636 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",637 desc_name);638 break;639 }640 } else {641 switch (desc_name) {642 case HW_DESC_OWN:643 ret = get_rx_desc_own(pdesc);644 break;645 case HW_DESC_RXPKT_LEN:646 ret = get_rx_desc_pkt_len(pdesc);647 break;648 case HW_DESC_RXBUFF_ADDR:649 ret = get_rx_desc_buff_addr(pdesc);650 break;651 default:652 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",653 desc_name);654 break;655 }656 }657 return ret;658}659 660bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,661 u8 hw_queue, u16 index)662{663 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));664 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];665 u8 *entry = (u8 *)(&ring->desc[ring->idx]);666 u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN);667 668 /**669 *beacon packet will only use the first670 *descriptor defautly,and the own may not671 *be cleared by the hardware672 */673 if (own)674 return false;675 return true;676}677 678void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)679{680 struct rtl_priv *rtlpriv = rtl_priv(hw);681 if (hw_queue == BEACON_QUEUE) {682 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));683 } else {684 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,685 BIT(0) << (hw_queue));686 }687}688