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 *pdesc8, struct sk_buff *skb) 442 { 443 __le32 *pdesc = (__le32 *)pdesc8; 444 struct rx_fwinfo_92d *p_drvinfo; 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, 484 (struct rx_desc_92d *)pdesc, 485 p_drvinfo); 486 } 487 /*rx_status->qual = stats->signal; */ 488 rx_status->signal = stats->recvsignalpower + 10; 489 return true; 490 } 491 492 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 493 u8 *virtualaddress8) 494 { 495 __le32 *virtualaddress = (__le32 *)virtualaddress8; 496 497 memset(virtualaddress, 0, 8); 498 499 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 500 set_earlymode_len0(virtualaddress, ptcb_desc->empkt_len[0]); 501 set_earlymode_len1(virtualaddress, ptcb_desc->empkt_len[1]); 502 set_earlymode_len2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 503 set_earlymode_len2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 504 set_earlymode_len3(virtualaddress, ptcb_desc->empkt_len[3]); 505 set_earlymode_len4(virtualaddress, ptcb_desc->empkt_len[4]); 506 } 507 508 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 509 struct ieee80211_hdr *hdr, u8 *pdesc8, 510 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 511 struct ieee80211_sta *sta, 512 struct sk_buff *skb, 513 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 514 { 515 struct rtl_priv *rtlpriv = rtl_priv(hw); 516 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 517 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 518 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 519 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 520 __le32 *pdesc = (__le32 *)pdesc8; 521 u16 seq_number; 522 __le16 fc = hdr->frame_control; 523 unsigned int buf_len = 0; 524 unsigned int skb_len = skb->len; 525 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 526 bool firstseg = ((hdr->seq_ctrl & 527 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 528 bool lastseg = ((hdr->frame_control & 529 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 530 dma_addr_t mapping; 531 u8 bw_40 = 0; 532 533 if (mac->opmode == NL80211_IFTYPE_STATION) { 534 bw_40 = mac->bw_40; 535 } else if (mac->opmode == NL80211_IFTYPE_AP || 536 mac->opmode == NL80211_IFTYPE_ADHOC) { 537 if (sta) 538 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; 539 } 540 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 541 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 542 /* reserve 8 byte for AMPDU early mode */ 543 if (rtlhal->earlymode_enable) { 544 skb_push(skb, EM_HDR_LEN); 545 memset(skb->data, 0, EM_HDR_LEN); 546 } 547 buf_len = skb->len; 548 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 549 PCI_DMA_TODEVICE); 550 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 551 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 552 "DMA mapping error\n"); 553 return; 554 } 555 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_92d)); 556 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 557 firstseg = true; 558 lastseg = true; 559 } 560 if (firstseg) { 561 if (rtlhal->earlymode_enable) { 562 set_tx_desc_pkt_offset(pdesc, 1); 563 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 564 EM_HDR_LEN); 565 if (ptcb_desc->empkt_num) { 566 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 567 "Insert 8 byte.pTcb->EMPktNum:%d\n", 568 ptcb_desc->empkt_num); 569 _rtl92de_insert_emcontent(ptcb_desc, 570 (u8 *)(skb->data)); 571 } 572 } else { 573 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 574 } 575 /* 5G have no CCK rate */ 576 if (rtlhal->current_bandtype == BAND_ON_5G) 577 if (ptcb_desc->hw_rate < DESC_RATE6M) 578 ptcb_desc->hw_rate = DESC_RATE6M; 579 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 580 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 581 set_tx_desc_data_shortgi(pdesc, 1); 582 583 if (rtlhal->macphymode == DUALMAC_DUALPHY && 584 ptcb_desc->hw_rate == DESC_RATEMCS7) 585 set_tx_desc_data_shortgi(pdesc, 1); 586 587 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 588 set_tx_desc_agg_enable(pdesc, 1); 589 set_tx_desc_max_agg_num(pdesc, 0x14); 590 } 591 set_tx_desc_seq(pdesc, seq_number); 592 set_tx_desc_rts_enable(pdesc, 593 ((ptcb_desc->rts_enable && 594 !ptcb_desc->cts_enable) ? 1 : 0)); 595 set_tx_desc_hw_rts_enable(pdesc, ((ptcb_desc->rts_enable 596 || ptcb_desc->cts_enable) ? 1 : 0)); 597 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 598 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 599 /* 5G have no CCK rate */ 600 if (rtlhal->current_bandtype == BAND_ON_5G) 601 if (ptcb_desc->rts_rate < DESC_RATE6M) 602 ptcb_desc->rts_rate = DESC_RATE6M; 603 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 604 set_tx_desc_rts_bw(pdesc, 0); 605 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 606 set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <= 607 DESC_RATE54M) ? 608 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 609 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 610 if (bw_40) { 611 if (ptcb_desc->packet_bw) { 612 set_tx_desc_data_bw(pdesc, 1); 613 set_tx_desc_tx_sub_carrier(pdesc, 3); 614 } else { 615 set_tx_desc_data_bw(pdesc, 0); 616 set_tx_desc_tx_sub_carrier(pdesc, 617 mac->cur_40_prime_sc); 618 } 619 } else { 620 set_tx_desc_data_bw(pdesc, 0); 621 set_tx_desc_tx_sub_carrier(pdesc, 0); 622 } 623 set_tx_desc_linip(pdesc, 0); 624 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 625 if (sta) { 626 u8 ampdu_density = sta->ht_cap.ampdu_density; 627 set_tx_desc_ampdu_density(pdesc, ampdu_density); 628 } 629 if (info->control.hw_key) { 630 struct ieee80211_key_conf *keyconf; 631 632 keyconf = info->control.hw_key; 633 switch (keyconf->cipher) { 634 case WLAN_CIPHER_SUITE_WEP40: 635 case WLAN_CIPHER_SUITE_WEP104: 636 case WLAN_CIPHER_SUITE_TKIP: 637 set_tx_desc_sec_type(pdesc, 0x1); 638 break; 639 case WLAN_CIPHER_SUITE_CCMP: 640 set_tx_desc_sec_type(pdesc, 0x3); 641 break; 642 default: 643 set_tx_desc_sec_type(pdesc, 0x0); 644 break; 645 646 } 647 } 648 set_tx_desc_pkt_id(pdesc, 0); 649 set_tx_desc_queue_sel(pdesc, fw_qsel); 650 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 651 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 652 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 653 1 : 0); 654 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 655 656 /* Set TxRate and RTSRate in TxDesc */ 657 /* This prevent Tx initial rate of new-coming packets */ 658 /* from being overwritten by retried packet rate.*/ 659 if (!ptcb_desc->use_driver_rate) { 660 set_tx_desc_rts_rate(pdesc, 0x08); 661 /* set_tx_desc_tx_rate(pdesc, 0x0b); */ 662 } 663 if (ieee80211_is_data_qos(fc)) { 664 if (mac->rdg_en) { 665 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 666 "Enable RDG function\n"); 667 set_tx_desc_rdg_enable(pdesc, 1); 668 set_tx_desc_htc(pdesc, 1); 669 } 670 } 671 } 672 673 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 674 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 675 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len); 676 set_tx_desc_tx_buffer_address(pdesc, mapping); 677 if (rtlpriv->dm.useramask) { 678 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 679 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 680 } else { 681 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 682 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index); 683 } 684 if (ieee80211_is_data_qos(fc)) 685 set_tx_desc_qos(pdesc, 1); 686 687 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 688 set_tx_desc_hwseq_en(pdesc, 1); 689 set_tx_desc_pkt_id(pdesc, 8); 690 } 691 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 692 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 693 } 694 695 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 696 u8 *pdesc8, bool firstseg, 697 bool lastseg, struct sk_buff *skb) 698 { 699 struct rtl_priv *rtlpriv = rtl_priv(hw); 700 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 701 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 702 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 703 u8 fw_queue = QSLT_BEACON; 704 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 705 skb->data, skb->len, PCI_DMA_TODEVICE); 706 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 707 __le16 fc = hdr->frame_control; 708 __le32 *pdesc = (__le32 *)pdesc8; 709 710 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 711 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 712 "DMA mapping error\n"); 713 return; 714 } 715 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 716 if (firstseg) 717 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 718 /* 5G have no CCK rate 719 * Caution: The macros below are multi-line expansions. 720 * The braces are needed no matter what checkpatch says 721 */ 722 if (rtlhal->current_bandtype == BAND_ON_5G) { 723 set_tx_desc_tx_rate(pdesc, DESC_RATE6M); 724 } else { 725 set_tx_desc_tx_rate(pdesc, DESC_RATE1M); 726 } 727 set_tx_desc_seq(pdesc, 0); 728 set_tx_desc_linip(pdesc, 0); 729 set_tx_desc_queue_sel(pdesc, fw_queue); 730 set_tx_desc_first_seg(pdesc, 1); 731 set_tx_desc_last_seg(pdesc, 1); 732 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len); 733 set_tx_desc_tx_buffer_address(pdesc, mapping); 734 set_tx_desc_rate_id(pdesc, 7); 735 set_tx_desc_macid(pdesc, 0); 736 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 737 set_tx_desc_first_seg(pdesc, 1); 738 set_tx_desc_last_seg(pdesc, 1); 739 set_tx_desc_offset(pdesc, 0x20); 740 set_tx_desc_use_rate(pdesc, 1); 741 742 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 743 set_tx_desc_hwseq_en(pdesc, 1); 744 set_tx_desc_pkt_id(pdesc, 8); 745 } 746 747 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 748 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 749 wmb(); 750 set_tx_desc_own(pdesc, 1); 751 } 752 753 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx, 754 u8 desc_name, u8 *val) 755 { 756 __le32 *pdesc = (__le32 *)pdesc8; 757 758 if (istx) { 759 switch (desc_name) { 760 case HW_DESC_OWN: 761 wmb(); 762 set_tx_desc_own(pdesc, 1); 763 break; 764 case HW_DESC_TX_NEXTDESC_ADDR: 765 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 766 break; 767 default: 768 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 769 desc_name); 770 break; 771 } 772 } else { 773 switch (desc_name) { 774 case HW_DESC_RXOWN: 775 wmb(); 776 set_rx_desc_own(pdesc, 1); 777 break; 778 case HW_DESC_RXBUFF_ADDR: 779 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 780 break; 781 case HW_DESC_RXPKT_LEN: 782 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 783 break; 784 case HW_DESC_RXERO: 785 set_rx_desc_eor(pdesc, 1); 786 break; 787 default: 788 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 789 desc_name); 790 break; 791 } 792 } 793 } 794 795 u64 rtl92de_get_desc(struct ieee80211_hw *hw, 796 u8 *p_desc8, bool istx, u8 desc_name) 797 { 798 __le32 *p_desc = (__le32 *)p_desc8; 799 u32 ret = 0; 800 801 if (istx) { 802 switch (desc_name) { 803 case HW_DESC_OWN: 804 ret = get_tx_desc_own(p_desc); 805 break; 806 case HW_DESC_TXBUFF_ADDR: 807 ret = get_tx_desc_tx_buffer_address(p_desc); 808 break; 809 default: 810 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 811 desc_name); 812 break; 813 } 814 } else { 815 switch (desc_name) { 816 case HW_DESC_OWN: 817 ret = get_rx_desc_own(p_desc); 818 break; 819 case HW_DESC_RXPKT_LEN: 820 ret = get_rx_desc_pkt_len(p_desc); 821 break; 822 case HW_DESC_RXBUFF_ADDR: 823 ret = get_rx_desc_buff_addr(p_desc); 824 break; 825 default: 826 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 827 desc_name); 828 break; 829 } 830 } 831 return ret; 832 } 833 834 bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw, 835 u8 hw_queue, u16 index) 836 { 837 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 838 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 839 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 840 u8 own = (u8)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN); 841 842 /* a beacon packet will only use the first 843 * descriptor by defaut, and the own bit may not 844 * be cleared by the hardware 845 */ 846 if (own) 847 return false; 848 return true; 849 } 850 851 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 852 { 853 struct rtl_priv *rtlpriv = rtl_priv(hw); 854 if (hw_queue == BEACON_QUEUE) 855 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 856 else 857 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 858 BIT(0) << (hw_queue)); 859 } 860