1// SPDX-License-Identifier: GPL-2.0 2/* 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 _rtl92de_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)) 21 return QSLT_MGNT; 22 23 return skb->priority; 24} 25 26static long _rtl92de_translate_todbm(struct ieee80211_hw *hw, 27 u8 signal_strength_index) 28{ 29 long signal_power; 30 31 signal_power = (long)((signal_strength_index + 1) >> 1); 32 signal_power -= 95; 33 return signal_power; 34} 35 36static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, 37 struct rtl_stats *pstats, 38 struct rx_desc_92d *pdesc, 39 struct rx_fwinfo_92d *p_drvinfo, 40 bool packet_match_bssid, 41 bool packet_toself, 42 bool packet_beacon) 43{ 44 struct rtl_priv *rtlpriv = rtl_priv(hw); 45 struct rtl_phy *rtlphy = &(rtlpriv->phy); 46 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 47 struct phy_sts_cck_8192d *cck_buf; 48 s8 rx_pwr_all, rx_pwr[4]; 49 u8 rf_rx_num = 0, evm, pwdb_all; 50 u8 i, max_spatial_stream; 51 u32 rssi, total_rssi = 0; 52 bool is_cck_rate; 53 54 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); 55 pstats->packet_matchbssid = packet_match_bssid; 56 pstats->packet_toself = packet_toself; 57 pstats->packet_beacon = packet_beacon; 58 pstats->is_cck = is_cck_rate; 59 pstats->rx_mimo_sig_qual[0] = -1; 60 pstats->rx_mimo_sig_qual[1] = -1; 61 62 if (is_cck_rate) { 63 u8 report, cck_highpwr; 64 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; 65 if (ppsc->rfpwr_state == ERFON) 66 cck_highpwr = rtlphy->cck_high_power; 67 else 68 cck_highpwr = false; 69 if (!cck_highpwr) { 70 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 71 report = cck_buf->cck_agc_rpt & 0xc0; 72 report = report >> 6; 73 switch (report) { 74 case 0x3: 75 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 76 break; 77 case 0x2: 78 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 79 break; 80 case 0x1: 81 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 82 break; 83 case 0x0: 84 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 85 break; 86 } 87 } else { 88 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 89 report = p_drvinfo->cfosho[0] & 0x60; 90 report = report >> 5; 91 switch (report) { 92 case 0x3: 93 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 94 break; 95 case 0x2: 96 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 97 break; 98 case 0x1: 99 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 100 break; 101 case 0x0: 102 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 103 break; 104 } 105 } 106 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 107 /* CCK gain is smaller than OFDM/MCS gain, */ 108 /* so we add gain diff by experiences, the val is 6 */ 109 pwdb_all += 6; 110 if (pwdb_all > 100) 111 pwdb_all = 100; 112 /* modify the offset to make the same gain index with OFDM. */ 113 if (pwdb_all > 34 && pwdb_all <= 42) 114 pwdb_all -= 2; 115 else if (pwdb_all > 26 && pwdb_all <= 34) 116 pwdb_all -= 6; 117 else if (pwdb_all > 14 && pwdb_all <= 26) 118 pwdb_all -= 8; 119 else if (pwdb_all > 4 && pwdb_all <= 14) 120 pwdb_all -= 4; 121 pstats->rx_pwdb_all = pwdb_all; 122 pstats->recvsignalpower = rx_pwr_all; 123 if (packet_match_bssid) { 124 u8 sq; 125 if (pstats->rx_pwdb_all > 40) { 126 sq = 100; 127 } else { 128 sq = cck_buf->sq_rpt; 129 if (sq > 64) 130 sq = 0; 131 else if (sq < 20) 132 sq = 100; 133 else 134 sq = ((64 - sq) * 100) / 44; 135 } 136 pstats->signalquality = sq; 137 pstats->rx_mimo_sig_qual[0] = sq; 138 pstats->rx_mimo_sig_qual[1] = -1; 139 } 140 } else { 141 rtlpriv->dm.rfpath_rxenable[0] = true; 142 rtlpriv->dm.rfpath_rxenable[1] = true; 143 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 144 if (rtlpriv->dm.rfpath_rxenable[i]) 145 rf_rx_num++; 146 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) 147 - 110; 148 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 149 total_rssi += rssi; 150 rtlpriv->stats.rx_snr_db[i] = 151 (long)(p_drvinfo->rxsnr[i] / 2); 152 if (packet_match_bssid) 153 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 154 } 155 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; 156 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 157 pstats->rx_pwdb_all = pwdb_all; 158 pstats->rxpower = rx_pwr_all; 159 pstats->recvsignalpower = rx_pwr_all; 160 if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 && 161 pdesc->rxmcs <= DESC_RATEMCS15) 162 max_spatial_stream = 2; 163 else 164 max_spatial_stream = 1; 165 for (i = 0; i < max_spatial_stream; i++) { 166 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); 167 if (packet_match_bssid) { 168 if (i == 0) 169 pstats->signalquality = 170 (u8)(evm & 0xff); 171 pstats->rx_mimo_sig_qual[i] = 172 (u8)(evm & 0xff); 173 } 174 } 175 } 176 if (is_cck_rate) 177 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 178 pwdb_all)); 179 else if (rf_rx_num != 0) 180 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 181 total_rssi /= rf_rx_num)); 182} 183 184static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, 185 struct rtl_stats *pstats) 186{ 187 struct rtl_priv *rtlpriv = rtl_priv(hw); 188 struct rtl_phy *rtlphy = &(rtlpriv->phy); 189 u8 rfpath; 190 191 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 192 rfpath++) { 193 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 194 rtlpriv->stats.rx_rssi_percentage[rfpath] = 195 pstats->rx_mimo_signalstrength[rfpath]; 196 197 } 198 if (pstats->rx_mimo_signalstrength[rfpath] > 199 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 200 rtlpriv->stats.rx_rssi_percentage[rfpath] = 201 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 202 (RX_SMOOTH_FACTOR - 1)) + 203 (pstats->rx_mimo_signalstrength[rfpath])) / 204 (RX_SMOOTH_FACTOR); 205 rtlpriv->stats.rx_rssi_percentage[rfpath] = 206 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; 207 } else { 208 rtlpriv->stats.rx_rssi_percentage[rfpath] = 209 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 210 (RX_SMOOTH_FACTOR - 1)) + 211 (pstats->rx_mimo_signalstrength[rfpath])) / 212 (RX_SMOOTH_FACTOR); 213 } 214 } 215} 216 217static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, 218 struct rtl_stats *pstats) 219{ 220 struct rtl_priv *rtlpriv = rtl_priv(hw); 221 u32 last_rssi, tmpval; 222 223 if (pstats->packet_toself || pstats->packet_beacon) { 224 rtlpriv->stats.rssi_calculate_cnt++; 225 if (rtlpriv->stats.ui_rssi.total_num++ >= 226 PHY_RSSI_SLID_WIN_MAX) { 227 rtlpriv->stats.ui_rssi.total_num = 228 PHY_RSSI_SLID_WIN_MAX; 229 last_rssi = rtlpriv->stats.ui_rssi.elements[ 230 rtlpriv->stats.ui_rssi.index]; 231 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 232 } 233 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 234 rtlpriv->stats.ui_rssi.elements 235 [rtlpriv->stats.ui_rssi.index++] = 236 pstats->signalstrength; 237 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 238 rtlpriv->stats.ui_rssi.index = 0; 239 tmpval = rtlpriv->stats.ui_rssi.total_val / 240 rtlpriv->stats.ui_rssi.total_num; 241 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, 242 (u8) tmpval); 243 pstats->rssi = rtlpriv->stats.signal_strength; 244 } 245 if (!pstats->is_cck && pstats->packet_toself) 246 rtl92d_loop_over_paths(hw, pstats); 247} 248 249static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, 250 struct rtl_stats *pstats) 251{ 252 struct rtl_priv *rtlpriv = rtl_priv(hw); 253 int weighting = 0; 254 255 if (rtlpriv->stats.recv_signal_power == 0) 256 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 257 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 258 weighting = 5; 259 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 260 weighting = (-5); 261 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 262 5 + pstats->recvsignalpower + weighting) / 6; 263} 264 265static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, 266 struct rtl_stats *pstats) 267{ 268 struct rtl_priv *rtlpriv = rtl_priv(hw); 269 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 270 long undec_sm_pwdb; 271 272 if (mac->opmode == NL80211_IFTYPE_ADHOC || 273 mac->opmode == NL80211_IFTYPE_AP) 274 return; 275 else 276 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 277 278 if (pstats->packet_toself || pstats->packet_beacon) { 279 if (undec_sm_pwdb < 0) 280 undec_sm_pwdb = pstats->rx_pwdb_all; 281 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { 282 undec_sm_pwdb = (((undec_sm_pwdb) * 283 (RX_SMOOTH_FACTOR - 1)) + 284 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 285 undec_sm_pwdb = undec_sm_pwdb + 1; 286 } else { 287 undec_sm_pwdb = (((undec_sm_pwdb) * 288 (RX_SMOOTH_FACTOR - 1)) + 289 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 290 } 291 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; 292 _rtl92de_update_rxsignalstatistics(hw, pstats); 293 } 294} 295 296static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 297 struct rtl_stats *pstats) 298{ 299 struct rtl_priv *rtlpriv = rtl_priv(hw); 300 int stream; 301 302 for (stream = 0; stream < 2; stream++) { 303 if (pstats->rx_mimo_sig_qual[stream] != -1) { 304 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 305 rtlpriv->stats.rx_evm_percentage[stream] = 306 pstats->rx_mimo_sig_qual[stream]; 307 } 308 rtlpriv->stats.rx_evm_percentage[stream] = 309 ((rtlpriv->stats.rx_evm_percentage[stream] 310 * (RX_SMOOTH_FACTOR - 1)) + 311 (pstats->rx_mimo_sig_qual[stream] * 1)) / 312 (RX_SMOOTH_FACTOR); 313 } 314 } 315} 316 317static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 318 struct rtl_stats *pstats) 319{ 320 struct rtl_priv *rtlpriv = rtl_priv(hw); 321 u32 last_evm, tmpval; 322 323 if (pstats->signalquality == 0) 324 return; 325 if (pstats->packet_toself || pstats->packet_beacon) { 326 if (rtlpriv->stats.ui_link_quality.total_num++ >= 327 PHY_LINKQUALITY_SLID_WIN_MAX) { 328 rtlpriv->stats.ui_link_quality.total_num = 329 PHY_LINKQUALITY_SLID_WIN_MAX; 330 last_evm = rtlpriv->stats.ui_link_quality.elements[ 331 rtlpriv->stats.ui_link_quality.index]; 332 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 333 } 334 rtlpriv->stats.ui_link_quality.total_val += 335 pstats->signalquality; 336 rtlpriv->stats.ui_link_quality.elements[ 337 rtlpriv->stats.ui_link_quality.index++] = 338 pstats->signalquality; 339 if (rtlpriv->stats.ui_link_quality.index >= 340 PHY_LINKQUALITY_SLID_WIN_MAX) 341 rtlpriv->stats.ui_link_quality.index = 0; 342 tmpval = rtlpriv->stats.ui_link_quality.total_val / 343 rtlpriv->stats.ui_link_quality.total_num; 344 rtlpriv->stats.signal_quality = tmpval; 345 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 346 rtl92d_loop_over_streams(hw, pstats); 347 } 348} 349 350static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 351 u8 *buffer, 352 struct rtl_stats *pcurrent_stats) 353{ 354 355 if (!pcurrent_stats->packet_matchbssid && 356 !pcurrent_stats->packet_beacon) 357 return; 358 359 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 360 _rtl92de_process_pwdb(hw, pcurrent_stats); 361 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 362} 363 364static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 365 struct sk_buff *skb, 366 struct rtl_stats *pstats, 367 struct rx_desc_92d *pdesc, 368 struct rx_fwinfo_92d *p_drvinfo) 369{ 370 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 371 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 372 struct ieee80211_hdr *hdr; 373 u8 *tmp_buf; 374 u8 *praddr; 375 u16 type, cfc; 376 __le16 fc; 377 bool packet_matchbssid, packet_toself, packet_beacon = false; 378 379 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 380 hdr = (struct ieee80211_hdr *)tmp_buf; 381 fc = hdr->frame_control; 382 cfc = le16_to_cpu(fc); 383 type = WLAN_FC_GET_TYPE(fc); 384 praddr = hdr->addr1; 385 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 386 ether_addr_equal(mac->bssid, 387 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 388 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 389 hdr->addr3) && 390 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 391 packet_toself = packet_matchbssid && 392 ether_addr_equal(praddr, rtlefuse->dev_addr); 393 if (ieee80211_is_beacon(fc)) 394 packet_beacon = true; 395 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 396 packet_matchbssid, packet_toself, 397 packet_beacon); 398 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 399} 400 401bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 402 struct ieee80211_rx_status *rx_status, 403 u8 *pdesc8, struct sk_buff *skb) 404{ 405 __le32 *pdesc = (__le32 *)pdesc8; 406 struct rx_fwinfo_92d *p_drvinfo; 407 u32 phystatus = get_rx_desc_physt(pdesc); 408 409 stats->length = (u16)get_rx_desc_pkt_len(pdesc); 410 stats->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 411 RX_DRV_INFO_SIZE_UNIT; 412 stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 413 stats->icv = (u16)get_rx_desc_icv(pdesc); 414 stats->crc = (u16)get_rx_desc_crc32(pdesc); 415 stats->hwerror = (stats->crc | stats->icv); 416 stats->decrypted = !get_rx_desc_swdec(pdesc); 417 stats->rate = (u8)get_rx_desc_rxmcs(pdesc); 418 stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 419 stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 420 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && 421 (get_rx_desc_faggr(pdesc) == 1)); 422 stats->timestamp_low = get_rx_desc_tsfl(pdesc); 423 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 424 stats->is_ht = (bool)get_rx_desc_rxht(pdesc); 425 rx_status->freq = hw->conf.chandef.chan->center_freq; 426 rx_status->band = hw->conf.chandef.chan->band; 427 if (get_rx_desc_crc32(pdesc)) 428 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 429 if (!get_rx_desc_swdec(pdesc)) 430 rx_status->flag |= RX_FLAG_DECRYPTED; 431 if (get_rx_desc_bw(pdesc)) 432 rx_status->bw = RATE_INFO_BW_40; 433 if (get_rx_desc_rxht(pdesc)) 434 rx_status->encoding = RX_ENC_HT; 435 rx_status->flag |= RX_FLAG_MACTIME_START; 436 if (stats->decrypted) 437 rx_status->flag |= RX_FLAG_DECRYPTED; 438 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 439 false, stats->rate); 440 rx_status->mactime = get_rx_desc_tsfl(pdesc); 441 if (phystatus) { 442 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 443 stats->rx_bufshift); 444 _rtl92de_translate_rx_signal_stuff(hw, 445 skb, stats, 446 (struct rx_desc_92d *)pdesc, 447 p_drvinfo); 448 } 449 /*rx_status->qual = stats->signal; */ 450 rx_status->signal = stats->recvsignalpower + 10; 451 return true; 452} 453 454static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 455 u8 *virtualaddress8) 456{ 457 __le32 *virtualaddress = (__le32 *)virtualaddress8; 458 459 memset(virtualaddress, 0, 8); 460 461 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 462 set_earlymode_len0(virtualaddress, ptcb_desc->empkt_len[0]); 463 set_earlymode_len1(virtualaddress, ptcb_desc->empkt_len[1]); 464 set_earlymode_len2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 465 set_earlymode_len2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 466 set_earlymode_len3(virtualaddress, ptcb_desc->empkt_len[3]); 467 set_earlymode_len4(virtualaddress, ptcb_desc->empkt_len[4]); 468} 469 470void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 471 struct ieee80211_hdr *hdr, u8 *pdesc8, 472 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 473 struct ieee80211_sta *sta, 474 struct sk_buff *skb, 475 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 476{ 477 struct rtl_priv *rtlpriv = rtl_priv(hw); 478 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 479 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 480 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 481 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 482 __le32 *pdesc = (__le32 *)pdesc8; 483 u16 seq_number; 484 __le16 fc = hdr->frame_control; 485 unsigned int buf_len = 0; 486 unsigned int skb_len = skb->len; 487 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 488 bool firstseg = ((hdr->seq_ctrl & 489 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 490 bool lastseg = ((hdr->frame_control & 491 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 492 dma_addr_t mapping; 493 u8 bw_40 = 0; 494 495 if (mac->opmode == NL80211_IFTYPE_STATION) { 496 bw_40 = mac->bw_40; 497 } else if (mac->opmode == NL80211_IFTYPE_AP || 498 mac->opmode == NL80211_IFTYPE_ADHOC) { 499 if (sta) 500 bw_40 = sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40; 501 } 502 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 503 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 504 /* reserve 8 byte for AMPDU early mode */ 505 if (rtlhal->earlymode_enable) { 506 skb_push(skb, EM_HDR_LEN); 507 memset(skb->data, 0, EM_HDR_LEN); 508 } 509 buf_len = skb->len; 510 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len, 511 DMA_TO_DEVICE); 512 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 513 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 514 "DMA mapping error\n"); 515 return; 516 } 517 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_92d)); 518 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 519 firstseg = true; 520 lastseg = true; 521 } 522 if (firstseg) { 523 if (rtlhal->earlymode_enable) { 524 set_tx_desc_pkt_offset(pdesc, 1); 525 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 526 EM_HDR_LEN); 527 if (ptcb_desc->empkt_num) { 528 rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD, 529 "Insert 8 byte.pTcb->EMPktNum:%d\n", 530 ptcb_desc->empkt_num); 531 _rtl92de_insert_emcontent(ptcb_desc, 532 (u8 *)(skb->data)); 533 } 534 } else { 535 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 536 } 537 /* 5G have no CCK rate */ 538 if (rtlhal->current_bandtype == BAND_ON_5G) 539 if (ptcb_desc->hw_rate < DESC_RATE6M) 540 ptcb_desc->hw_rate = DESC_RATE6M; 541 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 542 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 543 set_tx_desc_data_shortgi(pdesc, 1); 544 545 if (rtlhal->macphymode == DUALMAC_DUALPHY && 546 ptcb_desc->hw_rate == DESC_RATEMCS7) 547 set_tx_desc_data_shortgi(pdesc, 1); 548 549 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 550 set_tx_desc_agg_enable(pdesc, 1); 551 set_tx_desc_max_agg_num(pdesc, 0x14); 552 } 553 set_tx_desc_seq(pdesc, seq_number); 554 set_tx_desc_rts_enable(pdesc, 555 ((ptcb_desc->rts_enable && 556 !ptcb_desc->cts_enable) ? 1 : 0)); 557 set_tx_desc_hw_rts_enable(pdesc, ((ptcb_desc->rts_enable 558 || ptcb_desc->cts_enable) ? 1 : 0)); 559 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 560 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 561 /* 5G have no CCK rate */ 562 if (rtlhal->current_bandtype == BAND_ON_5G) 563 if (ptcb_desc->rts_rate < DESC_RATE6M) 564 ptcb_desc->rts_rate = DESC_RATE6M; 565 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 566 set_tx_desc_rts_bw(pdesc, 0); 567 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 568 set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <= 569 DESC_RATE54M) ? 570 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 571 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 572 if (bw_40) { 573 if (ptcb_desc->packet_bw) { 574 set_tx_desc_data_bw(pdesc, 1); 575 set_tx_desc_tx_sub_carrier(pdesc, 3); 576 } else { 577 set_tx_desc_data_bw(pdesc, 0); 578 set_tx_desc_tx_sub_carrier(pdesc, 579 mac->cur_40_prime_sc); 580 } 581 } else { 582 set_tx_desc_data_bw(pdesc, 0); 583 set_tx_desc_tx_sub_carrier(pdesc, 0); 584 } 585 set_tx_desc_linip(pdesc, 0); 586 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 587 if (sta) { 588 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density; 589 set_tx_desc_ampdu_density(pdesc, ampdu_density); 590 } 591 if (info->control.hw_key) { 592 struct ieee80211_key_conf *keyconf; 593 594 keyconf = info->control.hw_key; 595 switch (keyconf->cipher) { 596 case WLAN_CIPHER_SUITE_WEP40: 597 case WLAN_CIPHER_SUITE_WEP104: 598 case WLAN_CIPHER_SUITE_TKIP: 599 set_tx_desc_sec_type(pdesc, 0x1); 600 break; 601 case WLAN_CIPHER_SUITE_CCMP: 602 set_tx_desc_sec_type(pdesc, 0x3); 603 break; 604 default: 605 set_tx_desc_sec_type(pdesc, 0x0); 606 break; 607 608 } 609 } 610 set_tx_desc_pkt_id(pdesc, 0); 611 set_tx_desc_queue_sel(pdesc, fw_qsel); 612 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 613 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 614 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 615 1 : 0); 616 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 617 618 /* Set TxRate and RTSRate in TxDesc */ 619 /* This prevent Tx initial rate of new-coming packets */ 620 /* from being overwritten by retried packet rate.*/ 621 if (!ptcb_desc->use_driver_rate) { 622 set_tx_desc_rts_rate(pdesc, 0x08); 623 /* set_tx_desc_tx_rate(pdesc, 0x0b); */ 624 } 625 if (ieee80211_is_data_qos(fc)) { 626 if (mac->rdg_en) { 627 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 628 "Enable RDG function\n"); 629 set_tx_desc_rdg_enable(pdesc, 1); 630 set_tx_desc_htc(pdesc, 1); 631 } 632 } 633 } 634 635 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 636 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 637 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len); 638 set_tx_desc_tx_buffer_address(pdesc, mapping); 639 if (rtlpriv->dm.useramask) { 640 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 641 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 642 } else { 643 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 644 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index); 645 } 646 if (ieee80211_is_data_qos(fc)) 647 set_tx_desc_qos(pdesc, 1); 648 649 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 650 set_tx_desc_hwseq_en(pdesc, 1); 651 set_tx_desc_pkt_id(pdesc, 8); 652 } 653 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 654 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 655} 656 657void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8, 658 struct sk_buff *skb) 659{ 660 struct rtl_priv *rtlpriv = rtl_priv(hw); 661 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 662 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 663 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 664 u8 fw_queue = QSLT_BEACON; 665 666 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 667 __le16 fc = hdr->frame_control; 668 __le32 *pdesc = (__le32 *)pdesc8; 669 670 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 671 skb->len, DMA_TO_DEVICE); 672 673 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 674 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 675 "DMA mapping error\n"); 676 return; 677 } 678 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 679 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 680 /* 5G have no CCK rate 681 * Caution: The macros below are multi-line expansions. 682 * The braces are needed no matter what checkpatch says 683 */ 684 if (rtlhal->current_bandtype == BAND_ON_5G) { 685 set_tx_desc_tx_rate(pdesc, DESC_RATE6M); 686 } else { 687 set_tx_desc_tx_rate(pdesc, DESC_RATE1M); 688 } 689 set_tx_desc_seq(pdesc, 0); 690 set_tx_desc_linip(pdesc, 0); 691 set_tx_desc_queue_sel(pdesc, fw_queue); 692 set_tx_desc_first_seg(pdesc, 1); 693 set_tx_desc_last_seg(pdesc, 1); 694 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len); 695 set_tx_desc_tx_buffer_address(pdesc, mapping); 696 set_tx_desc_rate_id(pdesc, 7); 697 set_tx_desc_macid(pdesc, 0); 698 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 699 set_tx_desc_first_seg(pdesc, 1); 700 set_tx_desc_last_seg(pdesc, 1); 701 set_tx_desc_offset(pdesc, 0x20); 702 set_tx_desc_use_rate(pdesc, 1); 703 704 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 705 set_tx_desc_hwseq_en(pdesc, 1); 706 set_tx_desc_pkt_id(pdesc, 8); 707 } 708 709 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 710 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 711 wmb(); 712 set_tx_desc_own(pdesc, 1); 713} 714 715void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx, 716 u8 desc_name, u8 *val) 717{ 718 __le32 *pdesc = (__le32 *)pdesc8; 719 720 if (istx) { 721 switch (desc_name) { 722 case HW_DESC_OWN: 723 wmb(); 724 set_tx_desc_own(pdesc, 1); 725 break; 726 case HW_DESC_TX_NEXTDESC_ADDR: 727 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 728 break; 729 default: 730 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 731 desc_name); 732 break; 733 } 734 } else { 735 switch (desc_name) { 736 case HW_DESC_RXOWN: 737 wmb(); 738 set_rx_desc_own(pdesc, 1); 739 break; 740 case HW_DESC_RXBUFF_ADDR: 741 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 742 break; 743 case HW_DESC_RXPKT_LEN: 744 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 745 break; 746 case HW_DESC_RXERO: 747 set_rx_desc_eor(pdesc, 1); 748 break; 749 default: 750 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 751 desc_name); 752 break; 753 } 754 } 755} 756 757u64 rtl92de_get_desc(struct ieee80211_hw *hw, 758 u8 *p_desc8, bool istx, u8 desc_name) 759{ 760 __le32 *p_desc = (__le32 *)p_desc8; 761 u32 ret = 0; 762 763 if (istx) { 764 switch (desc_name) { 765 case HW_DESC_OWN: 766 ret = get_tx_desc_own(p_desc); 767 break; 768 case HW_DESC_TXBUFF_ADDR: 769 ret = get_tx_desc_tx_buffer_address(p_desc); 770 break; 771 default: 772 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 773 desc_name); 774 break; 775 } 776 } else { 777 switch (desc_name) { 778 case HW_DESC_OWN: 779 ret = get_rx_desc_own(p_desc); 780 break; 781 case HW_DESC_RXPKT_LEN: 782 ret = get_rx_desc_pkt_len(p_desc); 783 break; 784 case HW_DESC_RXBUFF_ADDR: 785 ret = get_rx_desc_buff_addr(p_desc); 786 break; 787 default: 788 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 789 desc_name); 790 break; 791 } 792 } 793 return ret; 794} 795 796bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw, 797 u8 hw_queue, u16 index) 798{ 799 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 800 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 801 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 802 u8 own = (u8)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN); 803 804 /* a beacon packet will only use the first 805 * descriptor by defaut, and the own bit may not 806 * be cleared by the hardware 807 */ 808 if (own) 809 return false; 810 return true; 811} 812 813void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 814{ 815 struct rtl_priv *rtlpriv = rtl_priv(hw); 816 if (hw_queue == BEACON_QUEUE) 817 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 818 else 819 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 820 BIT(0) << (hw_queue)); 821} 822