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