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 "reg.h" 8 #include "def.h" 9 #include "phy.h" 10 #include "trx.h" 11 #include "led.h" 12 13 static u8 _rtl92de_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 14 { 15 __le16 fc = rtl_get_fc(skb); 16 17 if (unlikely(ieee80211_is_beacon(fc))) 18 return QSLT_BEACON; 19 if (ieee80211_is_mgmt(fc)) 20 return QSLT_MGNT; 21 22 return skb->priority; 23 } 24 25 static u8 _rtl92d_query_rxpwrpercentage(s8 antpower) 26 { 27 if ((antpower <= -100) || (antpower >= 20)) 28 return 0; 29 else if (antpower >= 0) 30 return 100; 31 else 32 return 100 + antpower; 33 } 34 35 static u8 _rtl92d_evm_db_to_percentage(s8 value) 36 { 37 s8 ret_val = value; 38 39 if (ret_val >= 0) 40 ret_val = 0; 41 if (ret_val <= -33) 42 ret_val = -33; 43 ret_val = 0 - ret_val; 44 ret_val *= 3; 45 if (ret_val == 99) 46 ret_val = 100; 47 return ret_val; 48 } 49 50 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw, 51 u8 signal_strength_index) 52 { 53 long signal_power; 54 55 signal_power = (long)((signal_strength_index + 1) >> 1); 56 signal_power -= 95; 57 return signal_power; 58 } 59 60 static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig) 61 { 62 long retsig; 63 64 if (currsig >= 61 && currsig <= 100) 65 retsig = 90 + ((currsig - 60) / 4); 66 else if (currsig >= 41 && currsig <= 60) 67 retsig = 78 + ((currsig - 40) / 2); 68 else if (currsig >= 31 && currsig <= 40) 69 retsig = 66 + (currsig - 30); 70 else if (currsig >= 21 && currsig <= 30) 71 retsig = 54 + (currsig - 20); 72 else if (currsig >= 5 && currsig <= 20) 73 retsig = 42 + (((currsig - 5) * 2) / 3); 74 else if (currsig == 4) 75 retsig = 36; 76 else if (currsig == 3) 77 retsig = 27; 78 else if (currsig == 2) 79 retsig = 18; 80 else if (currsig == 1) 81 retsig = 9; 82 else 83 retsig = currsig; 84 return retsig; 85 } 86 87 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, 88 struct rtl_stats *pstats, 89 struct rx_desc_92d *pdesc, 90 struct rx_fwinfo_92d *p_drvinfo, 91 bool packet_match_bssid, 92 bool packet_toself, 93 bool packet_beacon) 94 { 95 struct rtl_priv *rtlpriv = rtl_priv(hw); 96 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 97 struct phy_sts_cck_8192d *cck_buf; 98 s8 rx_pwr_all, rx_pwr[4]; 99 u8 rf_rx_num = 0, evm, pwdb_all; 100 u8 i, max_spatial_stream; 101 u32 rssi, total_rssi = 0; 102 bool is_cck_rate; 103 104 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); 105 pstats->packet_matchbssid = packet_match_bssid; 106 pstats->packet_toself = packet_toself; 107 pstats->packet_beacon = packet_beacon; 108 pstats->is_cck = is_cck_rate; 109 pstats->rx_mimo_sig_qual[0] = -1; 110 pstats->rx_mimo_sig_qual[1] = -1; 111 112 if (is_cck_rate) { 113 u8 report, cck_highpwr; 114 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; 115 if (ppsc->rfpwr_state == ERFON) 116 cck_highpwr = (u8) rtl_get_bbreg(hw, 117 RFPGA0_XA_HSSIPARAMETER2, 118 BIT(9)); 119 else 120 cck_highpwr = false; 121 if (!cck_highpwr) { 122 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 123 report = cck_buf->cck_agc_rpt & 0xc0; 124 report = report >> 6; 125 switch (report) { 126 case 0x3: 127 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 128 break; 129 case 0x2: 130 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 131 break; 132 case 0x1: 133 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 134 break; 135 case 0x0: 136 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 137 break; 138 } 139 } else { 140 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 141 report = p_drvinfo->cfosho[0] & 0x60; 142 report = report >> 5; 143 switch (report) { 144 case 0x3: 145 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 146 break; 147 case 0x2: 148 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 149 break; 150 case 0x1: 151 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 152 break; 153 case 0x0: 154 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 155 break; 156 } 157 } 158 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all); 159 /* CCK gain is smaller than OFDM/MCS gain, */ 160 /* so we add gain diff by experiences, the val is 6 */ 161 pwdb_all += 6; 162 if (pwdb_all > 100) 163 pwdb_all = 100; 164 /* modify the offset to make the same gain index with OFDM. */ 165 if (pwdb_all > 34 && pwdb_all <= 42) 166 pwdb_all -= 2; 167 else if (pwdb_all > 26 && pwdb_all <= 34) 168 pwdb_all -= 6; 169 else if (pwdb_all > 14 && pwdb_all <= 26) 170 pwdb_all -= 8; 171 else if (pwdb_all > 4 && pwdb_all <= 14) 172 pwdb_all -= 4; 173 pstats->rx_pwdb_all = pwdb_all; 174 pstats->recvsignalpower = rx_pwr_all; 175 if (packet_match_bssid) { 176 u8 sq; 177 if (pstats->rx_pwdb_all > 40) { 178 sq = 100; 179 } else { 180 sq = cck_buf->sq_rpt; 181 if (sq > 64) 182 sq = 0; 183 else if (sq < 20) 184 sq = 100; 185 else 186 sq = ((64 - sq) * 100) / 44; 187 } 188 pstats->signalquality = sq; 189 pstats->rx_mimo_sig_qual[0] = sq; 190 pstats->rx_mimo_sig_qual[1] = -1; 191 } 192 } else { 193 rtlpriv->dm.rfpath_rxenable[0] = true; 194 rtlpriv->dm.rfpath_rxenable[1] = true; 195 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 196 if (rtlpriv->dm.rfpath_rxenable[i]) 197 rf_rx_num++; 198 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) 199 - 110; 200 rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]); 201 total_rssi += rssi; 202 rtlpriv->stats.rx_snr_db[i] = 203 (long)(p_drvinfo->rxsnr[i] / 2); 204 if (packet_match_bssid) 205 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 206 } 207 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; 208 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all); 209 pstats->rx_pwdb_all = pwdb_all; 210 pstats->rxpower = rx_pwr_all; 211 pstats->recvsignalpower = rx_pwr_all; 212 if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 && 213 pdesc->rxmcs <= DESC_RATEMCS15) 214 max_spatial_stream = 2; 215 else 216 max_spatial_stream = 1; 217 for (i = 0; i < max_spatial_stream; i++) { 218 evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]); 219 if (packet_match_bssid) { 220 if (i == 0) 221 pstats->signalquality = 222 (u8)(evm & 0xff); 223 pstats->rx_mimo_sig_qual[i] = 224 (u8)(evm & 0xff); 225 } 226 } 227 } 228 if (is_cck_rate) 229 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw, 230 pwdb_all)); 231 else if (rf_rx_num != 0) 232 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw, 233 total_rssi /= rf_rx_num)); 234 } 235 236 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, 237 struct rtl_stats *pstats) 238 { 239 struct rtl_priv *rtlpriv = rtl_priv(hw); 240 struct rtl_phy *rtlphy = &(rtlpriv->phy); 241 u8 rfpath; 242 243 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 244 rfpath++) { 245 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 246 rtlpriv->stats.rx_rssi_percentage[rfpath] = 247 pstats->rx_mimo_signalstrength[rfpath]; 248 249 } 250 if (pstats->rx_mimo_signalstrength[rfpath] > 251 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 252 rtlpriv->stats.rx_rssi_percentage[rfpath] = 253 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 254 (RX_SMOOTH_FACTOR - 1)) + 255 (pstats->rx_mimo_signalstrength[rfpath])) / 256 (RX_SMOOTH_FACTOR); 257 rtlpriv->stats.rx_rssi_percentage[rfpath] = 258 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; 259 } else { 260 rtlpriv->stats.rx_rssi_percentage[rfpath] = 261 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 262 (RX_SMOOTH_FACTOR - 1)) + 263 (pstats->rx_mimo_signalstrength[rfpath])) / 264 (RX_SMOOTH_FACTOR); 265 } 266 } 267 } 268 269 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, 270 struct rtl_stats *pstats) 271 { 272 struct rtl_priv *rtlpriv = rtl_priv(hw); 273 u32 last_rssi, tmpval; 274 275 if (pstats->packet_toself || pstats->packet_beacon) { 276 rtlpriv->stats.rssi_calculate_cnt++; 277 if (rtlpriv->stats.ui_rssi.total_num++ >= 278 PHY_RSSI_SLID_WIN_MAX) { 279 rtlpriv->stats.ui_rssi.total_num = 280 PHY_RSSI_SLID_WIN_MAX; 281 last_rssi = rtlpriv->stats.ui_rssi.elements[ 282 rtlpriv->stats.ui_rssi.index]; 283 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 284 } 285 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 286 rtlpriv->stats.ui_rssi.elements 287 [rtlpriv->stats.ui_rssi.index++] = 288 pstats->signalstrength; 289 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 290 rtlpriv->stats.ui_rssi.index = 0; 291 tmpval = rtlpriv->stats.ui_rssi.total_val / 292 rtlpriv->stats.ui_rssi.total_num; 293 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, 294 (u8) tmpval); 295 pstats->rssi = rtlpriv->stats.signal_strength; 296 } 297 if (!pstats->is_cck && pstats->packet_toself) 298 rtl92d_loop_over_paths(hw, pstats); 299 } 300 301 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, 302 struct rtl_stats *pstats) 303 { 304 struct rtl_priv *rtlpriv = rtl_priv(hw); 305 int weighting = 0; 306 307 if (rtlpriv->stats.recv_signal_power == 0) 308 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 309 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 310 weighting = 5; 311 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 312 weighting = (-5); 313 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 314 5 + pstats->recvsignalpower + weighting) / 6; 315 } 316 317 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, 318 struct rtl_stats *pstats) 319 { 320 struct rtl_priv *rtlpriv = rtl_priv(hw); 321 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 322 long undec_sm_pwdb; 323 324 if (mac->opmode == NL80211_IFTYPE_ADHOC || 325 mac->opmode == NL80211_IFTYPE_AP) 326 return; 327 else 328 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 329 330 if (pstats->packet_toself || pstats->packet_beacon) { 331 if (undec_sm_pwdb < 0) 332 undec_sm_pwdb = pstats->rx_pwdb_all; 333 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { 334 undec_sm_pwdb = (((undec_sm_pwdb) * 335 (RX_SMOOTH_FACTOR - 1)) + 336 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 337 undec_sm_pwdb = undec_sm_pwdb + 1; 338 } else { 339 undec_sm_pwdb = (((undec_sm_pwdb) * 340 (RX_SMOOTH_FACTOR - 1)) + 341 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 342 } 343 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; 344 _rtl92de_update_rxsignalstatistics(hw, pstats); 345 } 346 } 347 348 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 349 struct rtl_stats *pstats) 350 { 351 struct rtl_priv *rtlpriv = rtl_priv(hw); 352 int stream; 353 354 for (stream = 0; stream < 2; stream++) { 355 if (pstats->rx_mimo_sig_qual[stream] != -1) { 356 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 357 rtlpriv->stats.rx_evm_percentage[stream] = 358 pstats->rx_mimo_sig_qual[stream]; 359 } 360 rtlpriv->stats.rx_evm_percentage[stream] = 361 ((rtlpriv->stats.rx_evm_percentage[stream] 362 * (RX_SMOOTH_FACTOR - 1)) + 363 (pstats->rx_mimo_sig_qual[stream] * 1)) / 364 (RX_SMOOTH_FACTOR); 365 } 366 } 367 } 368 369 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 370 struct rtl_stats *pstats) 371 { 372 struct rtl_priv *rtlpriv = rtl_priv(hw); 373 u32 last_evm, tmpval; 374 375 if (pstats->signalquality == 0) 376 return; 377 if (pstats->packet_toself || pstats->packet_beacon) { 378 if (rtlpriv->stats.ui_link_quality.total_num++ >= 379 PHY_LINKQUALITY_SLID_WIN_MAX) { 380 rtlpriv->stats.ui_link_quality.total_num = 381 PHY_LINKQUALITY_SLID_WIN_MAX; 382 last_evm = rtlpriv->stats.ui_link_quality.elements[ 383 rtlpriv->stats.ui_link_quality.index]; 384 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 385 } 386 rtlpriv->stats.ui_link_quality.total_val += 387 pstats->signalquality; 388 rtlpriv->stats.ui_link_quality.elements[ 389 rtlpriv->stats.ui_link_quality.index++] = 390 pstats->signalquality; 391 if (rtlpriv->stats.ui_link_quality.index >= 392 PHY_LINKQUALITY_SLID_WIN_MAX) 393 rtlpriv->stats.ui_link_quality.index = 0; 394 tmpval = rtlpriv->stats.ui_link_quality.total_val / 395 rtlpriv->stats.ui_link_quality.total_num; 396 rtlpriv->stats.signal_quality = tmpval; 397 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 398 rtl92d_loop_over_streams(hw, pstats); 399 } 400 } 401 402 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 403 u8 *buffer, 404 struct rtl_stats *pcurrent_stats) 405 { 406 407 if (!pcurrent_stats->packet_matchbssid && 408 !pcurrent_stats->packet_beacon) 409 return; 410 411 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 412 _rtl92de_process_pwdb(hw, pcurrent_stats); 413 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 414 } 415 416 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 417 struct sk_buff *skb, 418 struct rtl_stats *pstats, 419 struct rx_desc_92d *pdesc, 420 struct rx_fwinfo_92d *p_drvinfo) 421 { 422 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 423 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 424 struct ieee80211_hdr *hdr; 425 u8 *tmp_buf; 426 u8 *praddr; 427 u16 type, cfc; 428 __le16 fc; 429 bool packet_matchbssid, packet_toself, packet_beacon = false; 430 431 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 432 hdr = (struct ieee80211_hdr *)tmp_buf; 433 fc = hdr->frame_control; 434 cfc = le16_to_cpu(fc); 435 type = WLAN_FC_GET_TYPE(fc); 436 praddr = hdr->addr1; 437 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 438 ether_addr_equal(mac->bssid, 439 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 440 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 441 hdr->addr3) && 442 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 443 packet_toself = packet_matchbssid && 444 ether_addr_equal(praddr, rtlefuse->dev_addr); 445 if (ieee80211_is_beacon(fc)) 446 packet_beacon = true; 447 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 448 packet_matchbssid, packet_toself, 449 packet_beacon); 450 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 451 } 452 453 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 454 struct ieee80211_rx_status *rx_status, 455 u8 *p_desc, struct sk_buff *skb) 456 { 457 struct rx_fwinfo_92d *p_drvinfo; 458 struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc; 459 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 460 461 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 462 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 463 RX_DRV_INFO_SIZE_UNIT; 464 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 465 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 466 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 467 stats->hwerror = (stats->crc | stats->icv); 468 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 469 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); 470 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 471 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 472 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 473 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 474 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 475 stats->rx_is40mhzpacket = (bool)GET_RX_DESC_BW(pdesc); 476 stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc); 477 rx_status->freq = hw->conf.chandef.chan->center_freq; 478 rx_status->band = hw->conf.chandef.chan->band; 479 if (GET_RX_DESC_CRC32(pdesc)) 480 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 481 if (!GET_RX_DESC_SWDEC(pdesc)) 482 rx_status->flag |= RX_FLAG_DECRYPTED; 483 if (GET_RX_DESC_BW(pdesc)) 484 rx_status->bw = RATE_INFO_BW_40; 485 if (GET_RX_DESC_RXHT(pdesc)) 486 rx_status->encoding = RX_ENC_HT; 487 rx_status->flag |= RX_FLAG_MACTIME_START; 488 if (stats->decrypted) 489 rx_status->flag |= RX_FLAG_DECRYPTED; 490 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 491 false, stats->rate); 492 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 493 if (phystatus) { 494 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 495 stats->rx_bufshift); 496 _rtl92de_translate_rx_signal_stuff(hw, 497 skb, stats, pdesc, 498 p_drvinfo); 499 } 500 /*rx_status->qual = stats->signal; */ 501 rx_status->signal = stats->recvsignalpower + 10; 502 return true; 503 } 504 505 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 506 u8 *virtualaddress) 507 { 508 memset(virtualaddress, 0, 8); 509 510 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); 511 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]); 512 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]); 513 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 514 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 515 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]); 516 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]); 517 } 518 519 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 520 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 521 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 522 struct ieee80211_sta *sta, 523 struct sk_buff *skb, 524 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 525 { 526 struct rtl_priv *rtlpriv = rtl_priv(hw); 527 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 528 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 529 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 530 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 531 u8 *pdesc = pdesc_tx; 532 u16 seq_number; 533 __le16 fc = hdr->frame_control; 534 unsigned int buf_len = 0; 535 unsigned int skb_len = skb->len; 536 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 537 bool firstseg = ((hdr->seq_ctrl & 538 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 539 bool lastseg = ((hdr->frame_control & 540 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 541 dma_addr_t mapping; 542 u8 bw_40 = 0; 543 544 if (mac->opmode == NL80211_IFTYPE_STATION) { 545 bw_40 = mac->bw_40; 546 } else if (mac->opmode == NL80211_IFTYPE_AP || 547 mac->opmode == NL80211_IFTYPE_ADHOC) { 548 if (sta) 549 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; 550 } 551 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 552 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 553 /* reserve 8 byte for AMPDU early mode */ 554 if (rtlhal->earlymode_enable) { 555 skb_push(skb, EM_HDR_LEN); 556 memset(skb->data, 0, EM_HDR_LEN); 557 } 558 buf_len = skb->len; 559 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 560 PCI_DMA_TODEVICE); 561 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 562 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 563 "DMA mapping error\n"); 564 return; 565 } 566 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d)); 567 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 568 firstseg = true; 569 lastseg = true; 570 } 571 if (firstseg) { 572 if (rtlhal->earlymode_enable) { 573 SET_TX_DESC_PKT_OFFSET(pdesc, 1); 574 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + 575 EM_HDR_LEN); 576 if (ptcb_desc->empkt_num) { 577 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 578 "Insert 8 byte.pTcb->EMPktNum:%d\n", 579 ptcb_desc->empkt_num); 580 _rtl92de_insert_emcontent(ptcb_desc, 581 (u8 *)(skb->data)); 582 } 583 } else { 584 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 585 } 586 /* 5G have no CCK rate */ 587 if (rtlhal->current_bandtype == BAND_ON_5G) 588 if (ptcb_desc->hw_rate < DESC_RATE6M) 589 ptcb_desc->hw_rate = DESC_RATE6M; 590 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); 591 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 592 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 593 594 if (rtlhal->macphymode == DUALMAC_DUALPHY && 595 ptcb_desc->hw_rate == DESC_RATEMCS7) 596 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 597 598 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 599 SET_TX_DESC_AGG_ENABLE(pdesc, 1); 600 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); 601 } 602 SET_TX_DESC_SEQ(pdesc, seq_number); 603 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && 604 !ptcb_desc->cts_enable) ? 1 : 0)); 605 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable 606 || ptcb_desc->cts_enable) ? 1 : 0)); 607 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 608 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 609 /* 5G have no CCK rate */ 610 if (rtlhal->current_bandtype == BAND_ON_5G) 611 if (ptcb_desc->rts_rate < DESC_RATE6M) 612 ptcb_desc->rts_rate = DESC_RATE6M; 613 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); 614 SET_TX_DESC_RTS_BW(pdesc, 0); 615 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); 616 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= 617 DESC_RATE54M) ? 618 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 619 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 620 if (bw_40) { 621 if (ptcb_desc->packet_bw) { 622 SET_TX_DESC_DATA_BW(pdesc, 1); 623 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); 624 } else { 625 SET_TX_DESC_DATA_BW(pdesc, 0); 626 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 627 mac->cur_40_prime_sc); 628 } 629 } else { 630 SET_TX_DESC_DATA_BW(pdesc, 0); 631 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); 632 } 633 SET_TX_DESC_LINIP(pdesc, 0); 634 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len); 635 if (sta) { 636 u8 ampdu_density = sta->ht_cap.ampdu_density; 637 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 638 } 639 if (info->control.hw_key) { 640 struct ieee80211_key_conf *keyconf; 641 642 keyconf = info->control.hw_key; 643 switch (keyconf->cipher) { 644 case WLAN_CIPHER_SUITE_WEP40: 645 case WLAN_CIPHER_SUITE_WEP104: 646 case WLAN_CIPHER_SUITE_TKIP: 647 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 648 break; 649 case WLAN_CIPHER_SUITE_CCMP: 650 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 651 break; 652 default: 653 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 654 break; 655 656 } 657 } 658 SET_TX_DESC_PKT_ID(pdesc, 0); 659 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 660 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 661 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 662 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 663 1 : 0); 664 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 665 666 /* Set TxRate and RTSRate in TxDesc */ 667 /* This prevent Tx initial rate of new-coming packets */ 668 /* from being overwritten by retried packet rate.*/ 669 if (!ptcb_desc->use_driver_rate) { 670 SET_TX_DESC_RTS_RATE(pdesc, 0x08); 671 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ 672 } 673 if (ieee80211_is_data_qos(fc)) { 674 if (mac->rdg_en) { 675 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 676 "Enable RDG function\n"); 677 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 678 SET_TX_DESC_HTC(pdesc, 1); 679 } 680 } 681 } 682 683 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 684 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 685 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len); 686 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 687 if (rtlpriv->dm.useramask) { 688 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); 689 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); 690 } else { 691 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); 692 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index); 693 } 694 if (ieee80211_is_data_qos(fc)) 695 SET_TX_DESC_QOS(pdesc, 1); 696 697 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 698 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 699 SET_TX_DESC_PKT_ID(pdesc, 8); 700 } 701 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 702 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 703 } 704 705 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 706 u8 *pdesc, bool firstseg, 707 bool lastseg, struct sk_buff *skb) 708 { 709 struct rtl_priv *rtlpriv = rtl_priv(hw); 710 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 711 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 712 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 713 u8 fw_queue = QSLT_BEACON; 714 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 715 skb->data, skb->len, PCI_DMA_TODEVICE); 716 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 717 __le16 fc = hdr->frame_control; 718 719 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 720 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 721 "DMA mapping error\n"); 722 return; 723 } 724 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); 725 if (firstseg) 726 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 727 /* 5G have no CCK rate 728 * Caution: The macros below are multi-line expansions. 729 * The braces are needed no matter what checkpatch says 730 */ 731 if (rtlhal->current_bandtype == BAND_ON_5G) { 732 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M); 733 } else { 734 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 735 } 736 SET_TX_DESC_SEQ(pdesc, 0); 737 SET_TX_DESC_LINIP(pdesc, 0); 738 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 739 SET_TX_DESC_FIRST_SEG(pdesc, 1); 740 SET_TX_DESC_LAST_SEG(pdesc, 1); 741 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len); 742 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 743 SET_TX_DESC_RATE_ID(pdesc, 7); 744 SET_TX_DESC_MACID(pdesc, 0); 745 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len)); 746 SET_TX_DESC_FIRST_SEG(pdesc, 1); 747 SET_TX_DESC_LAST_SEG(pdesc, 1); 748 SET_TX_DESC_OFFSET(pdesc, 0x20); 749 SET_TX_DESC_USE_RATE(pdesc, 1); 750 751 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 752 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 753 SET_TX_DESC_PKT_ID(pdesc, 8); 754 } 755 756 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 757 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 758 wmb(); 759 SET_TX_DESC_OWN(pdesc, 1); 760 } 761 762 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, 763 u8 desc_name, u8 *val) 764 { 765 if (istx) { 766 switch (desc_name) { 767 case HW_DESC_OWN: 768 wmb(); 769 SET_TX_DESC_OWN(pdesc, 1); 770 break; 771 case HW_DESC_TX_NEXTDESC_ADDR: 772 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); 773 break; 774 default: 775 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 776 desc_name); 777 break; 778 } 779 } else { 780 switch (desc_name) { 781 case HW_DESC_RXOWN: 782 wmb(); 783 SET_RX_DESC_OWN(pdesc, 1); 784 break; 785 case HW_DESC_RXBUFF_ADDR: 786 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); 787 break; 788 case HW_DESC_RXPKT_LEN: 789 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); 790 break; 791 case HW_DESC_RXERO: 792 SET_RX_DESC_EOR(pdesc, 1); 793 break; 794 default: 795 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 796 desc_name); 797 break; 798 } 799 } 800 } 801 802 u64 rtl92de_get_desc(struct ieee80211_hw *hw, 803 u8 *p_desc, bool istx, u8 desc_name) 804 { 805 u32 ret = 0; 806 807 if (istx) { 808 switch (desc_name) { 809 case HW_DESC_OWN: 810 ret = GET_TX_DESC_OWN(p_desc); 811 break; 812 case HW_DESC_TXBUFF_ADDR: 813 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); 814 break; 815 default: 816 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 817 desc_name); 818 break; 819 } 820 } else { 821 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 822 switch (desc_name) { 823 case HW_DESC_OWN: 824 ret = GET_RX_DESC_OWN(pdesc); 825 break; 826 case HW_DESC_RXPKT_LEN: 827 ret = GET_RX_DESC_PKT_LEN(pdesc); 828 break; 829 default: 830 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 831 desc_name); 832 break; 833 } 834 } 835 return ret; 836 } 837 838 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 839 { 840 struct rtl_priv *rtlpriv = rtl_priv(hw); 841 if (hw_queue == BEACON_QUEUE) 842 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 843 else 844 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 845 BIT(0) << (hw_queue)); 846 } 847