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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 _rtl92ce_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 _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,27 struct rtl_stats *pstats,28 struct rx_desc_92c *pdesc,29 struct rx_fwinfo_92c *p_drvinfo,30 bool packet_match_bssid,31 bool packet_toself,32 bool packet_beacon)33{34 struct rtl_priv *rtlpriv = rtl_priv(hw);35 struct phy_sts_cck_8192s_t *cck_buf;36 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);37 s8 rx_pwr_all = 0, rx_pwr[4];38 u8 evm, pwdb_all, rf_rx_num = 0;39 u8 i, max_spatial_stream;40 u32 rssi, total_rssi = 0;41 bool is_cck_rate;42 43 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);44 pstats->packet_matchbssid = packet_match_bssid;45 pstats->packet_toself = packet_toself;46 pstats->is_cck = is_cck_rate;47 pstats->packet_beacon = packet_beacon;48 pstats->rx_mimo_sig_qual[0] = -1;49 pstats->rx_mimo_sig_qual[1] = -1;50 51 if (is_cck_rate) {52 u8 report, cck_highpwr;53 54 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;55 56 if (ppsc->rfpwr_state == ERFON)57 cck_highpwr = (u8) rtl_get_bbreg(hw,58 RFPGA0_XA_HSSIPARAMETER2,59 BIT(9));60 else61 cck_highpwr = false;62 63 if (!cck_highpwr) {64 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;65 66 report = cck_buf->cck_agc_rpt & 0xc0;67 report = report >> 6;68 switch (report) {69 case 0x3:70 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);71 break;72 case 0x2:73 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);74 break;75 case 0x1:76 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);77 break;78 case 0x0:79 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);80 break;81 }82 } else {83 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;84 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 pstats->rx_pwdb_all = pwdb_all;124 pstats->recvsignalpower = rx_pwr_all;125 126 /* (3) Get Signal Quality (EVM) */127 if (packet_match_bssid) {128 u8 sq;129 130 if (pstats->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 pstats->signalquality = sq;143 pstats->rx_mimo_sig_qual[0] = sq;144 pstats->rx_mimo_sig_qual[1] = -1;145 }146 } else {147 rtlpriv->dm.rfpath_rxenable[0] =148 rtlpriv->dm.rfpath_rxenable[1] = true;149 /* (1)Get RSSI for HT rate */150 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {151 /* we will judge RF RX path now. */152 if (rtlpriv->dm.rfpath_rxenable[i])153 rf_rx_num++;154 155 rx_pwr[i] =156 ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;157 /* Translate DBM to percentage. */158 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);159 total_rssi += rssi;160 /* Get Rx snr value in DB */161 rtlpriv->stats.rx_snr_db[i] =162 (long)(p_drvinfo->rxsnr[i] / 2);163 164 /* Record Signal Strength for next packet */165 if (packet_match_bssid)166 pstats->rx_mimo_signalstrength[i] = (u8) rssi;167 }168 169 /* (2)PWDB, Average PWDB calculated by170 * hardware (for rate adaptive)171 */172 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;173 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);174 pstats->rx_pwdb_all = pwdb_all;175 pstats->rxpower = rx_pwr_all;176 pstats->recvsignalpower = rx_pwr_all;177 178 /* (3)EVM of HT rate */179 if (pstats->is_ht && pstats->rate >= DESC_RATEMCS8 &&180 pstats->rate <= DESC_RATEMCS15)181 max_spatial_stream = 2;182 else183 max_spatial_stream = 1;184 185 for (i = 0; i < max_spatial_stream; i++) {186 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);187 188 if (packet_match_bssid) {189 /* Fill value in RFD, Get the first190 * spatial stream only191 */192 if (i == 0)193 pstats->signalquality =194 (u8)(evm & 0xff);195 pstats->rx_mimo_sig_qual[i] = (u8)(evm & 0xff);196 }197 }198 }199 200 /* UI BSS List signal strength(in percentage),201 * make it good looking, from 0~100.202 */203 if (is_cck_rate)204 pstats->signalstrength =205 (u8)(rtl_signal_scale_mapping(hw, pwdb_all));206 else if (rf_rx_num != 0)207 pstats->signalstrength =208 (u8)(rtl_signal_scale_mapping(hw, total_rssi /= rf_rx_num));209}210 211static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,212 struct sk_buff *skb,213 struct rtl_stats *pstats,214 struct rx_desc_92c *pdesc,215 struct rx_fwinfo_92c *p_drvinfo)216{217 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));218 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));219 220 struct ieee80211_hdr *hdr;221 u8 *tmp_buf;222 u8 *praddr;223 __le16 fc;224 u16 type, c_fc;225 bool packet_matchbssid, packet_toself, packet_beacon = false;226 227 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;228 229 hdr = (struct ieee80211_hdr *)tmp_buf;230 fc = hdr->frame_control;231 c_fc = le16_to_cpu(fc);232 type = WLAN_FC_GET_TYPE(fc);233 praddr = hdr->addr1;234 235 packet_matchbssid =236 ((IEEE80211_FTYPE_CTL != type) &&237 ether_addr_equal(mac->bssid,238 (c_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 :239 (c_fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :240 hdr->addr3) &&241 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));242 243 packet_toself = packet_matchbssid &&244 ether_addr_equal(praddr, rtlefuse->dev_addr);245 246 if (ieee80211_is_beacon(fc))247 packet_beacon = true;248 249 _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,250 packet_matchbssid, packet_toself,251 packet_beacon);252 253 rtl_process_phyinfo(hw, tmp_buf, pstats);254}255 256bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,257 struct rtl_stats *stats,258 struct ieee80211_rx_status *rx_status,259 u8 *p_desc8, struct sk_buff *skb)260{261 struct rx_fwinfo_92c *p_drvinfo;262 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc8;263 struct ieee80211_hdr *hdr;264 __le32 *p_desc = (__le32 *)p_desc8;265 u32 phystatus = get_rx_desc_physt(p_desc);266 267 stats->length = (u16)get_rx_desc_pkt_len(p_desc);268 stats->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(p_desc) *269 RX_DRV_INFO_SIZE_UNIT;270 stats->rx_bufshift = (u8)(get_rx_desc_shift(p_desc) & 0x03);271 stats->icv = (u16)get_rx_desc_icv(p_desc);272 stats->crc = (u16)get_rx_desc_crc32(p_desc);273 stats->hwerror = (stats->crc | stats->icv);274 stats->decrypted = !get_rx_desc_swdec(p_desc);275 stats->rate = (u8)get_rx_desc_rxmcs(p_desc);276 stats->shortpreamble = (u16)get_rx_desc_splcp(p_desc);277 stats->isampdu = (bool)(get_rx_desc_paggr(p_desc) == 1);278 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(p_desc) == 1) &&279 (get_rx_desc_faggr(p_desc) == 1));280 stats->timestamp_low = get_rx_desc_tsfl(p_desc);281 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(p_desc);282 stats->is_ht = (bool)get_rx_desc_rxht(p_desc);283 284 stats->is_cck = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);285 286 rx_status->freq = hw->conf.chandef.chan->center_freq;287 rx_status->band = hw->conf.chandef.chan->band;288 289 hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size290 + stats->rx_bufshift);291 292 if (stats->crc)293 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;294 295 if (stats->rx_is40mhzpacket)296 rx_status->bw = RATE_INFO_BW_40;297 298 if (stats->is_ht)299 rx_status->encoding = RX_ENC_HT;300 301 rx_status->flag |= RX_FLAG_MACTIME_START;302 303 /* hw will set stats->decrypted true, if it finds the304 * frame is open data frame or mgmt frame.305 * So hw will not decryption robust managment frame306 * for IEEE80211w but still set status->decrypted307 * true, so here we should set it back to undecrypted308 * for IEEE80211w frame, and mac80211 sw will help309 * to decrypt it310 */311 if (stats->decrypted) {312 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&313 (ieee80211_has_protected(hdr->frame_control)))314 rx_status->flag &= ~RX_FLAG_DECRYPTED;315 else316 rx_status->flag |= RX_FLAG_DECRYPTED;317 }318 /* rate_idx: index of data rate into band's319 * supported rates or MCS index if HT rates320 * are use (RX_FLAG_HT)321 * Notice: this is diff with windows define322 */323 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,324 false, stats->rate);325 326 rx_status->mactime = stats->timestamp_low;327 if (phystatus) {328 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +329 stats->rx_bufshift);330 331 _rtl92ce_translate_rx_signal_stuff(hw,332 skb, stats, pdesc,333 p_drvinfo);334 }335 336 /*rx_status->qual = stats->signal; */337 rx_status->signal = stats->recvsignalpower + 10;338 339 return true;340}341 342void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,343 struct ieee80211_hdr *hdr, u8 *pdesc8,344 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,345 struct ieee80211_sta *sta,346 struct sk_buff *skb,347 u8 hw_queue, struct rtl_tcb_desc *tcb_desc)348{349 struct rtl_priv *rtlpriv = rtl_priv(hw);350 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));351 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));352 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));353 __le32 *pdesc = (__le32 *)pdesc8;354 u16 seq_number;355 __le16 fc = hdr->frame_control;356 u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue);357 bool firstseg = ((hdr->seq_ctrl &358 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);359 360 bool lastseg = ((hdr->frame_control &361 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);362 363 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,364 skb->len, DMA_TO_DEVICE);365 366 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 rcu_read_lock();374 sta = get_sta(hw, mac->vif, mac->bssid);375 if (mac->opmode == NL80211_IFTYPE_STATION) {376 bw_40 = mac->bw_40;377 } else if (mac->opmode == NL80211_IFTYPE_AP ||378 mac->opmode == NL80211_IFTYPE_ADHOC ||379 mac->opmode == NL80211_IFTYPE_MESH_POINT) {380 if (sta)381 bw_40 = sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40;382 }383 384 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;385 386 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);387 388 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_92c));389 390 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {391 firstseg = true;392 lastseg = true;393 }394 if (firstseg) {395 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);396 397 set_tx_desc_tx_rate(pdesc, tcb_desc->hw_rate);398 399 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)400 set_tx_desc_data_shortgi(pdesc, 1);401 402 if (info->flags & IEEE80211_TX_CTL_AMPDU) {403 set_tx_desc_agg_break(pdesc, 1);404 set_tx_desc_max_agg_num(pdesc, 0x14);405 }406 set_tx_desc_seq(pdesc, seq_number);407 408 set_tx_desc_rts_enable(pdesc, ((tcb_desc->rts_enable &&409 !tcb_desc->410 cts_enable) ? 1 : 0));411 set_tx_desc_hw_rts_enable(pdesc,412 ((tcb_desc->rts_enable413 || tcb_desc->cts_enable) ? 1 : 0));414 set_tx_desc_cts2self(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));415 set_tx_desc_rts_stbc(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));416 417 set_tx_desc_rts_rate(pdesc, tcb_desc->rts_rate);418 set_tx_desc_rts_bw(pdesc, 0);419 set_tx_desc_rts_sc(pdesc, tcb_desc->rts_sc);420 set_tx_desc_rts_short(pdesc,421 ((tcb_desc->rts_rate <= DESC_RATE54M) ?422 (tcb_desc->rts_use_shortpreamble ? 1 : 0)423 : (tcb_desc->rts_use_shortgi ? 1 : 0)));424 425 if (bw_40) {426 if (tcb_desc->packet_bw) {427 set_tx_desc_data_bw(pdesc, 1);428 set_tx_desc_tx_sub_carrier(pdesc, 3);429 } else {430 set_tx_desc_data_bw(pdesc, 0);431 set_tx_desc_tx_sub_carrier(pdesc,432 mac->cur_40_prime_sc);433 }434 } else {435 set_tx_desc_data_bw(pdesc, 0);436 set_tx_desc_tx_sub_carrier(pdesc, 0);437 }438 439 set_tx_desc_linip(pdesc, 0);440 set_tx_desc_pkt_size(pdesc, (u16)skb->len);441 442 if (sta) {443 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;444 445 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, tcb_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 rcu_read_unlock();486 487 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));488 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));489 490 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);491 492 set_tx_desc_tx_buffer_address(pdesc, mapping);493 494 if (rtlpriv->dm.useramask) {495 set_tx_desc_rate_id(pdesc, tcb_desc->ratr_index);496 set_tx_desc_macid(pdesc, tcb_desc->mac_id);497 } else {498 set_tx_desc_rate_id(pdesc, 0xC + tcb_desc->ratr_index);499 set_tx_desc_macid(pdesc, tcb_desc->ratr_index);500 }501 502 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {503 set_tx_desc_hwseq_en(pdesc, 1);504 set_tx_desc_pkt_id(pdesc, 8);505 }506 507 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));508 509 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||510 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {511 set_tx_desc_bmc(pdesc, 1);512 }513 514 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");515}516 517void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,518 struct sk_buff *skb)519{520 struct rtl_priv *rtlpriv = rtl_priv(hw);521 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));522 u8 fw_queue = QSLT_BEACON;523 __le32 *pdesc = (__le32 *)pdesc8;524 525 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);526 __le16 fc = hdr->frame_control;527 528 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,529 skb->len, DMA_TO_DEVICE);530 531 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {532 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,533 "DMA mapping error\n");534 return;535 }536 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);537 538 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);539 set_tx_desc_tx_rate(pdesc, DESC_RATE1M);540 541 set_tx_desc_seq(pdesc, 0);542 543 set_tx_desc_linip(pdesc, 0);544 545 set_tx_desc_queue_sel(pdesc, fw_queue);546 547 set_tx_desc_first_seg(pdesc, 1);548 set_tx_desc_last_seg(pdesc, 1);549 550 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));551 552 set_tx_desc_tx_buffer_address(pdesc, mapping);553 554 set_tx_desc_rate_id(pdesc, 7);555 set_tx_desc_macid(pdesc, 0);556 557 set_tx_desc_own(pdesc, 1);558 559 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));560 561 set_tx_desc_first_seg(pdesc, 1);562 set_tx_desc_last_seg(pdesc, 1);563 564 set_tx_desc_offset(pdesc, 0x20);565 566 set_tx_desc_use_rate(pdesc, 1);567 568 if (!ieee80211_is_data_qos(fc)) {569 set_tx_desc_hwseq_en(pdesc, 1);570 set_tx_desc_pkt_id(pdesc, 8);571 }572 573 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,574 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);575}576 577void rtl92ce_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx,578 u8 desc_name, u8 *val)579{580 __le32 *pdesc = (__le32 *)pdesc8;581 582 if (istx) {583 switch (desc_name) {584 case HW_DESC_OWN:585 wmb();586 set_tx_desc_own(pdesc, 1);587 break;588 case HW_DESC_TX_NEXTDESC_ADDR:589 set_tx_desc_next_desc_address(pdesc, *(u32 *)val);590 break;591 default:592 WARN_ONCE(true, "rtl8192ce: ERR txdesc :%d not processed\n",593 desc_name);594 break;595 }596 } else {597 switch (desc_name) {598 case HW_DESC_RXOWN:599 wmb();600 set_rx_desc_own(pdesc, 1);601 break;602 case HW_DESC_RXBUFF_ADDR:603 set_rx_desc_buff_addr(pdesc, *(u32 *)val);604 break;605 case HW_DESC_RXPKT_LEN:606 set_rx_desc_pkt_len(pdesc, *(u32 *)val);607 break;608 case HW_DESC_RXERO:609 set_rx_desc_eor(pdesc, 1);610 break;611 default:612 WARN_ONCE(true, "rtl8192ce: ERR rxdesc :%d not processed\n",613 desc_name);614 break;615 }616 }617}618 619u64 rtl92ce_get_desc(struct ieee80211_hw *hw, u8 *p_desc8,620 bool istx, u8 desc_name)621{622 u32 ret = 0;623 __le32 *p_desc = (__le32 *)p_desc8;624 625 if (istx) {626 switch (desc_name) {627 case HW_DESC_OWN:628 ret = get_tx_desc_own(p_desc);629 break;630 case HW_DESC_TXBUFF_ADDR:631 ret = get_tx_desc_tx_buffer_address(p_desc);632 break;633 default:634 WARN_ONCE(true, "rtl8192ce: ERR txdesc :%d not processed\n",635 desc_name);636 break;637 }638 } else {639 switch (desc_name) {640 case HW_DESC_OWN:641 ret = get_rx_desc_own(p_desc);642 break;643 case HW_DESC_RXPKT_LEN:644 ret = get_rx_desc_pkt_len(p_desc);645 break;646 case HW_DESC_RXBUFF_ADDR:647 ret = get_rx_desc_buff_addr(p_desc);648 break;649 default:650 WARN_ONCE(true, "rtl8192ce: ERR rxdesc :%d not processed\n",651 desc_name);652 break;653 }654 }655 return ret;656}657 658bool rtl92ce_is_tx_desc_closed(struct ieee80211_hw *hw,659 u8 hw_queue, u16 index)660{661 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));662 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];663 u8 *entry = (u8 *)(&ring->desc[ring->idx]);664 u8 own = (u8)rtl92ce_get_desc(hw, entry, true, HW_DESC_OWN);665 666 /*beacon packet will only use the first667 *descriptor defautly,and the own may not668 *be cleared by the hardware669 */670 if (own)671 return false;672 return true;673}674 675void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)676{677 struct rtl_priv *rtlpriv = rtl_priv(hw);678 679 if (hw_queue == BEACON_QUEUE) {680 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));681 } else {682 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,683 BIT(0) << (hw_queue));684 }685}686 687