1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 Realtek Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * The full GNU General Public License is included in this distribution in the 15 * file called LICENSE. 16 * 17 * Contact Information: 18 * wlanfae <wlanfae@realtek.com> 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 20 * Hsinchu 300, Taiwan. 21 * 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 *****************************************************************************/ 25 26 #include "../wifi.h" 27 #include "../pci.h" 28 #include "../base.h" 29 #include "reg.h" 30 #include "def.h" 31 #include "phy.h" 32 #include "trx.h" 33 #include "led.h" 34 35 static u8 _rtl92de_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 36 { 37 __le16 fc = rtl_get_fc(skb); 38 39 if (unlikely(ieee80211_is_beacon(fc))) 40 return QSLT_BEACON; 41 if (ieee80211_is_mgmt(fc)) 42 return QSLT_MGNT; 43 44 return skb->priority; 45 } 46 47 static u8 _rtl92d_query_rxpwrpercentage(s8 antpower) 48 { 49 if ((antpower <= -100) || (antpower >= 20)) 50 return 0; 51 else if (antpower >= 0) 52 return 100; 53 else 54 return 100 + antpower; 55 } 56 57 static u8 _rtl92d_evm_db_to_percentage(s8 value) 58 { 59 s8 ret_val = value; 60 61 if (ret_val >= 0) 62 ret_val = 0; 63 if (ret_val <= -33) 64 ret_val = -33; 65 ret_val = 0 - ret_val; 66 ret_val *= 3; 67 if (ret_val == 99) 68 ret_val = 100; 69 return ret_val; 70 } 71 72 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw, 73 u8 signal_strength_index) 74 { 75 long signal_power; 76 77 signal_power = (long)((signal_strength_index + 1) >> 1); 78 signal_power -= 95; 79 return signal_power; 80 } 81 82 static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig) 83 { 84 long retsig; 85 86 if (currsig >= 61 && currsig <= 100) 87 retsig = 90 + ((currsig - 60) / 4); 88 else if (currsig >= 41 && currsig <= 60) 89 retsig = 78 + ((currsig - 40) / 2); 90 else if (currsig >= 31 && currsig <= 40) 91 retsig = 66 + (currsig - 30); 92 else if (currsig >= 21 && currsig <= 30) 93 retsig = 54 + (currsig - 20); 94 else if (currsig >= 5 && currsig <= 20) 95 retsig = 42 + (((currsig - 5) * 2) / 3); 96 else if (currsig == 4) 97 retsig = 36; 98 else if (currsig == 3) 99 retsig = 27; 100 else if (currsig == 2) 101 retsig = 18; 102 else if (currsig == 1) 103 retsig = 9; 104 else 105 retsig = currsig; 106 return retsig; 107 } 108 109 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, 110 struct rtl_stats *pstats, 111 struct rx_desc_92d *pdesc, 112 struct rx_fwinfo_92d *p_drvinfo, 113 bool packet_match_bssid, 114 bool packet_toself, 115 bool packet_beacon) 116 { 117 struct rtl_priv *rtlpriv = rtl_priv(hw); 118 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 119 struct phy_sts_cck_8192d *cck_buf; 120 s8 rx_pwr_all, rx_pwr[4]; 121 u8 rf_rx_num = 0, evm, pwdb_all; 122 u8 i, max_spatial_stream; 123 u32 rssi, total_rssi = 0; 124 bool is_cck_rate; 125 126 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); 127 pstats->packet_matchbssid = packet_match_bssid; 128 pstats->packet_toself = packet_toself; 129 pstats->packet_beacon = packet_beacon; 130 pstats->is_cck = is_cck_rate; 131 pstats->rx_mimo_sig_qual[0] = -1; 132 pstats->rx_mimo_sig_qual[1] = -1; 133 134 if (is_cck_rate) { 135 u8 report, cck_highpwr; 136 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; 137 if (ppsc->rfpwr_state == ERFON) 138 cck_highpwr = (u8) rtl_get_bbreg(hw, 139 RFPGA0_XA_HSSIPARAMETER2, 140 BIT(9)); 141 else 142 cck_highpwr = false; 143 if (!cck_highpwr) { 144 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 145 report = cck_buf->cck_agc_rpt & 0xc0; 146 report = report >> 6; 147 switch (report) { 148 case 0x3: 149 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 150 break; 151 case 0x2: 152 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 153 break; 154 case 0x1: 155 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 156 break; 157 case 0x0: 158 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 159 break; 160 } 161 } else { 162 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 163 report = p_drvinfo->cfosho[0] & 0x60; 164 report = report >> 5; 165 switch (report) { 166 case 0x3: 167 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 168 break; 169 case 0x2: 170 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 171 break; 172 case 0x1: 173 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 174 break; 175 case 0x0: 176 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 177 break; 178 } 179 } 180 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all); 181 /* CCK gain is smaller than OFDM/MCS gain, */ 182 /* so we add gain diff by experiences, the val is 6 */ 183 pwdb_all += 6; 184 if (pwdb_all > 100) 185 pwdb_all = 100; 186 /* modify the offset to make the same gain index with OFDM. */ 187 if (pwdb_all > 34 && pwdb_all <= 42) 188 pwdb_all -= 2; 189 else if (pwdb_all > 26 && pwdb_all <= 34) 190 pwdb_all -= 6; 191 else if (pwdb_all > 14 && pwdb_all <= 26) 192 pwdb_all -= 8; 193 else if (pwdb_all > 4 && pwdb_all <= 14) 194 pwdb_all -= 4; 195 pstats->rx_pwdb_all = pwdb_all; 196 pstats->recvsignalpower = rx_pwr_all; 197 if (packet_match_bssid) { 198 u8 sq; 199 if (pstats->rx_pwdb_all > 40) { 200 sq = 100; 201 } else { 202 sq = cck_buf->sq_rpt; 203 if (sq > 64) 204 sq = 0; 205 else if (sq < 20) 206 sq = 100; 207 else 208 sq = ((64 - sq) * 100) / 44; 209 } 210 pstats->signalquality = sq; 211 pstats->rx_mimo_sig_qual[0] = sq; 212 pstats->rx_mimo_sig_qual[1] = -1; 213 } 214 } else { 215 rtlpriv->dm.rfpath_rxenable[0] = true; 216 rtlpriv->dm.rfpath_rxenable[1] = true; 217 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 218 if (rtlpriv->dm.rfpath_rxenable[i]) 219 rf_rx_num++; 220 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) 221 - 110; 222 rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]); 223 total_rssi += rssi; 224 rtlpriv->stats.rx_snr_db[i] = 225 (long)(p_drvinfo->rxsnr[i] / 2); 226 if (packet_match_bssid) 227 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 228 } 229 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; 230 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all); 231 pstats->rx_pwdb_all = pwdb_all; 232 pstats->rxpower = rx_pwr_all; 233 pstats->recvsignalpower = rx_pwr_all; 234 if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 && 235 pdesc->rxmcs <= DESC_RATEMCS15) 236 max_spatial_stream = 2; 237 else 238 max_spatial_stream = 1; 239 for (i = 0; i < max_spatial_stream; i++) { 240 evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]); 241 if (packet_match_bssid) { 242 if (i == 0) 243 pstats->signalquality = 244 (u8)(evm & 0xff); 245 pstats->rx_mimo_sig_qual[i] = 246 (u8)(evm & 0xff); 247 } 248 } 249 } 250 if (is_cck_rate) 251 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw, 252 pwdb_all)); 253 else if (rf_rx_num != 0) 254 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw, 255 total_rssi /= rf_rx_num)); 256 } 257 258 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, 259 struct rtl_stats *pstats) 260 { 261 struct rtl_priv *rtlpriv = rtl_priv(hw); 262 struct rtl_phy *rtlphy = &(rtlpriv->phy); 263 u8 rfpath; 264 265 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 266 rfpath++) { 267 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 268 rtlpriv->stats.rx_rssi_percentage[rfpath] = 269 pstats->rx_mimo_signalstrength[rfpath]; 270 271 } 272 if (pstats->rx_mimo_signalstrength[rfpath] > 273 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 274 rtlpriv->stats.rx_rssi_percentage[rfpath] = 275 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 276 (RX_SMOOTH_FACTOR - 1)) + 277 (pstats->rx_mimo_signalstrength[rfpath])) / 278 (RX_SMOOTH_FACTOR); 279 rtlpriv->stats.rx_rssi_percentage[rfpath] = 280 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; 281 } else { 282 rtlpriv->stats.rx_rssi_percentage[rfpath] = 283 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 284 (RX_SMOOTH_FACTOR - 1)) + 285 (pstats->rx_mimo_signalstrength[rfpath])) / 286 (RX_SMOOTH_FACTOR); 287 } 288 } 289 } 290 291 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, 292 struct rtl_stats *pstats) 293 { 294 struct rtl_priv *rtlpriv = rtl_priv(hw); 295 u32 last_rssi, tmpval; 296 297 if (pstats->packet_toself || pstats->packet_beacon) { 298 rtlpriv->stats.rssi_calculate_cnt++; 299 if (rtlpriv->stats.ui_rssi.total_num++ >= 300 PHY_RSSI_SLID_WIN_MAX) { 301 rtlpriv->stats.ui_rssi.total_num = 302 PHY_RSSI_SLID_WIN_MAX; 303 last_rssi = rtlpriv->stats.ui_rssi.elements[ 304 rtlpriv->stats.ui_rssi.index]; 305 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 306 } 307 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 308 rtlpriv->stats.ui_rssi.elements 309 [rtlpriv->stats.ui_rssi.index++] = 310 pstats->signalstrength; 311 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 312 rtlpriv->stats.ui_rssi.index = 0; 313 tmpval = rtlpriv->stats.ui_rssi.total_val / 314 rtlpriv->stats.ui_rssi.total_num; 315 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, 316 (u8) tmpval); 317 pstats->rssi = rtlpriv->stats.signal_strength; 318 } 319 if (!pstats->is_cck && pstats->packet_toself) 320 rtl92d_loop_over_paths(hw, pstats); 321 } 322 323 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, 324 struct rtl_stats *pstats) 325 { 326 struct rtl_priv *rtlpriv = rtl_priv(hw); 327 int weighting = 0; 328 329 if (rtlpriv->stats.recv_signal_power == 0) 330 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 331 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 332 weighting = 5; 333 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 334 weighting = (-5); 335 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 336 5 + pstats->recvsignalpower + weighting) / 6; 337 } 338 339 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, 340 struct rtl_stats *pstats) 341 { 342 struct rtl_priv *rtlpriv = rtl_priv(hw); 343 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 344 long undec_sm_pwdb; 345 346 if (mac->opmode == NL80211_IFTYPE_ADHOC || 347 mac->opmode == NL80211_IFTYPE_AP) 348 return; 349 else 350 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 351 352 if (pstats->packet_toself || pstats->packet_beacon) { 353 if (undec_sm_pwdb < 0) 354 undec_sm_pwdb = pstats->rx_pwdb_all; 355 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { 356 undec_sm_pwdb = (((undec_sm_pwdb) * 357 (RX_SMOOTH_FACTOR - 1)) + 358 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 359 undec_sm_pwdb = undec_sm_pwdb + 1; 360 } else { 361 undec_sm_pwdb = (((undec_sm_pwdb) * 362 (RX_SMOOTH_FACTOR - 1)) + 363 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 364 } 365 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; 366 _rtl92de_update_rxsignalstatistics(hw, pstats); 367 } 368 } 369 370 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 371 struct rtl_stats *pstats) 372 { 373 struct rtl_priv *rtlpriv = rtl_priv(hw); 374 int stream; 375 376 for (stream = 0; stream < 2; stream++) { 377 if (pstats->rx_mimo_sig_qual[stream] != -1) { 378 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 379 rtlpriv->stats.rx_evm_percentage[stream] = 380 pstats->rx_mimo_sig_qual[stream]; 381 } 382 rtlpriv->stats.rx_evm_percentage[stream] = 383 ((rtlpriv->stats.rx_evm_percentage[stream] 384 * (RX_SMOOTH_FACTOR - 1)) + 385 (pstats->rx_mimo_sig_qual[stream] * 1)) / 386 (RX_SMOOTH_FACTOR); 387 } 388 } 389 } 390 391 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 392 struct rtl_stats *pstats) 393 { 394 struct rtl_priv *rtlpriv = rtl_priv(hw); 395 u32 last_evm, tmpval; 396 397 if (pstats->signalquality == 0) 398 return; 399 if (pstats->packet_toself || pstats->packet_beacon) { 400 if (rtlpriv->stats.ui_link_quality.total_num++ >= 401 PHY_LINKQUALITY_SLID_WIN_MAX) { 402 rtlpriv->stats.ui_link_quality.total_num = 403 PHY_LINKQUALITY_SLID_WIN_MAX; 404 last_evm = rtlpriv->stats.ui_link_quality.elements[ 405 rtlpriv->stats.ui_link_quality.index]; 406 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 407 } 408 rtlpriv->stats.ui_link_quality.total_val += 409 pstats->signalquality; 410 rtlpriv->stats.ui_link_quality.elements[ 411 rtlpriv->stats.ui_link_quality.index++] = 412 pstats->signalquality; 413 if (rtlpriv->stats.ui_link_quality.index >= 414 PHY_LINKQUALITY_SLID_WIN_MAX) 415 rtlpriv->stats.ui_link_quality.index = 0; 416 tmpval = rtlpriv->stats.ui_link_quality.total_val / 417 rtlpriv->stats.ui_link_quality.total_num; 418 rtlpriv->stats.signal_quality = tmpval; 419 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 420 rtl92d_loop_over_streams(hw, pstats); 421 } 422 } 423 424 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 425 u8 *buffer, 426 struct rtl_stats *pcurrent_stats) 427 { 428 429 if (!pcurrent_stats->packet_matchbssid && 430 !pcurrent_stats->packet_beacon) 431 return; 432 433 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 434 _rtl92de_process_pwdb(hw, pcurrent_stats); 435 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 436 } 437 438 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 439 struct sk_buff *skb, 440 struct rtl_stats *pstats, 441 struct rx_desc_92d *pdesc, 442 struct rx_fwinfo_92d *p_drvinfo) 443 { 444 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 445 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 446 struct ieee80211_hdr *hdr; 447 u8 *tmp_buf; 448 u8 *praddr; 449 u16 type, cfc; 450 __le16 fc; 451 bool packet_matchbssid, packet_toself, packet_beacon = false; 452 453 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 454 hdr = (struct ieee80211_hdr *)tmp_buf; 455 fc = hdr->frame_control; 456 cfc = le16_to_cpu(fc); 457 type = WLAN_FC_GET_TYPE(fc); 458 praddr = hdr->addr1; 459 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 460 ether_addr_equal(mac->bssid, 461 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 462 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 463 hdr->addr3) && 464 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 465 packet_toself = packet_matchbssid && 466 ether_addr_equal(praddr, rtlefuse->dev_addr); 467 if (ieee80211_is_beacon(fc)) 468 packet_beacon = true; 469 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 470 packet_matchbssid, packet_toself, 471 packet_beacon); 472 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 473 } 474 475 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 476 struct ieee80211_rx_status *rx_status, 477 u8 *p_desc, struct sk_buff *skb) 478 { 479 struct rx_fwinfo_92d *p_drvinfo; 480 struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc; 481 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 482 483 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 484 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 485 RX_DRV_INFO_SIZE_UNIT; 486 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 487 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 488 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 489 stats->hwerror = (stats->crc | stats->icv); 490 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 491 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); 492 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 493 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 494 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 495 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 496 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 497 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); 498 stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc); 499 rx_status->freq = hw->conf.chandef.chan->center_freq; 500 rx_status->band = hw->conf.chandef.chan->band; 501 if (GET_RX_DESC_CRC32(pdesc)) 502 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 503 if (!GET_RX_DESC_SWDEC(pdesc)) 504 rx_status->flag |= RX_FLAG_DECRYPTED; 505 if (GET_RX_DESC_BW(pdesc)) 506 rx_status->bw = RATE_INFO_BW_40; 507 if (GET_RX_DESC_RXHT(pdesc)) 508 rx_status->encoding = RX_ENC_HT; 509 rx_status->flag |= RX_FLAG_MACTIME_START; 510 if (stats->decrypted) 511 rx_status->flag |= RX_FLAG_DECRYPTED; 512 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 513 false, stats->rate); 514 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 515 if (phystatus) { 516 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 517 stats->rx_bufshift); 518 _rtl92de_translate_rx_signal_stuff(hw, 519 skb, stats, pdesc, 520 p_drvinfo); 521 } 522 /*rx_status->qual = stats->signal; */ 523 rx_status->signal = stats->recvsignalpower + 10; 524 return true; 525 } 526 527 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 528 u8 *virtualaddress) 529 { 530 memset(virtualaddress, 0, 8); 531 532 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); 533 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]); 534 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]); 535 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 536 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 537 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]); 538 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]); 539 } 540 541 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 542 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 543 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 544 struct ieee80211_sta *sta, 545 struct sk_buff *skb, 546 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 547 { 548 struct rtl_priv *rtlpriv = rtl_priv(hw); 549 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 550 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 551 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 552 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 553 u8 *pdesc = pdesc_tx; 554 u16 seq_number; 555 __le16 fc = hdr->frame_control; 556 unsigned int buf_len = 0; 557 unsigned int skb_len = skb->len; 558 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 559 bool firstseg = ((hdr->seq_ctrl & 560 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 561 bool lastseg = ((hdr->frame_control & 562 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 563 dma_addr_t mapping; 564 u8 bw_40 = 0; 565 566 if (mac->opmode == NL80211_IFTYPE_STATION) { 567 bw_40 = mac->bw_40; 568 } else if (mac->opmode == NL80211_IFTYPE_AP || 569 mac->opmode == NL80211_IFTYPE_ADHOC) { 570 if (sta) 571 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; 572 } 573 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 574 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 575 /* reserve 8 byte for AMPDU early mode */ 576 if (rtlhal->earlymode_enable) { 577 skb_push(skb, EM_HDR_LEN); 578 memset(skb->data, 0, EM_HDR_LEN); 579 } 580 buf_len = skb->len; 581 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 582 PCI_DMA_TODEVICE); 583 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 584 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 585 "DMA mapping error\n"); 586 return; 587 } 588 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d)); 589 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 590 firstseg = true; 591 lastseg = true; 592 } 593 if (firstseg) { 594 if (rtlhal->earlymode_enable) { 595 SET_TX_DESC_PKT_OFFSET(pdesc, 1); 596 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + 597 EM_HDR_LEN); 598 if (ptcb_desc->empkt_num) { 599 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 600 "Insert 8 byte.pTcb->EMPktNum:%d\n", 601 ptcb_desc->empkt_num); 602 _rtl92de_insert_emcontent(ptcb_desc, 603 (u8 *)(skb->data)); 604 } 605 } else { 606 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 607 } 608 /* 5G have no CCK rate */ 609 if (rtlhal->current_bandtype == BAND_ON_5G) 610 if (ptcb_desc->hw_rate < DESC_RATE6M) 611 ptcb_desc->hw_rate = DESC_RATE6M; 612 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); 613 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 614 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 615 616 if (rtlhal->macphymode == DUALMAC_DUALPHY && 617 ptcb_desc->hw_rate == DESC_RATEMCS7) 618 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 619 620 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 621 SET_TX_DESC_AGG_ENABLE(pdesc, 1); 622 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); 623 } 624 SET_TX_DESC_SEQ(pdesc, seq_number); 625 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && 626 !ptcb_desc->cts_enable) ? 1 : 0)); 627 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable 628 || ptcb_desc->cts_enable) ? 1 : 0)); 629 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 630 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 631 /* 5G have no CCK rate */ 632 if (rtlhal->current_bandtype == BAND_ON_5G) 633 if (ptcb_desc->rts_rate < DESC_RATE6M) 634 ptcb_desc->rts_rate = DESC_RATE6M; 635 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); 636 SET_TX_DESC_RTS_BW(pdesc, 0); 637 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); 638 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= 639 DESC_RATE54M) ? 640 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 641 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 642 if (bw_40) { 643 if (ptcb_desc->packet_bw) { 644 SET_TX_DESC_DATA_BW(pdesc, 1); 645 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); 646 } else { 647 SET_TX_DESC_DATA_BW(pdesc, 0); 648 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 649 mac->cur_40_prime_sc); 650 } 651 } else { 652 SET_TX_DESC_DATA_BW(pdesc, 0); 653 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); 654 } 655 SET_TX_DESC_LINIP(pdesc, 0); 656 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len); 657 if (sta) { 658 u8 ampdu_density = sta->ht_cap.ampdu_density; 659 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 660 } 661 if (info->control.hw_key) { 662 struct ieee80211_key_conf *keyconf; 663 664 keyconf = info->control.hw_key; 665 switch (keyconf->cipher) { 666 case WLAN_CIPHER_SUITE_WEP40: 667 case WLAN_CIPHER_SUITE_WEP104: 668 case WLAN_CIPHER_SUITE_TKIP: 669 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 670 break; 671 case WLAN_CIPHER_SUITE_CCMP: 672 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 673 break; 674 default: 675 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 676 break; 677 678 } 679 } 680 SET_TX_DESC_PKT_ID(pdesc, 0); 681 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 682 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 683 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 684 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 685 1 : 0); 686 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 687 688 /* Set TxRate and RTSRate in TxDesc */ 689 /* This prevent Tx initial rate of new-coming packets */ 690 /* from being overwritten by retried packet rate.*/ 691 if (!ptcb_desc->use_driver_rate) { 692 SET_TX_DESC_RTS_RATE(pdesc, 0x08); 693 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ 694 } 695 if (ieee80211_is_data_qos(fc)) { 696 if (mac->rdg_en) { 697 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 698 "Enable RDG function\n"); 699 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 700 SET_TX_DESC_HTC(pdesc, 1); 701 } 702 } 703 } 704 705 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 706 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 707 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len); 708 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 709 if (rtlpriv->dm.useramask) { 710 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); 711 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); 712 } else { 713 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); 714 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index); 715 } 716 if (ieee80211_is_data_qos(fc)) 717 SET_TX_DESC_QOS(pdesc, 1); 718 719 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 720 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 721 SET_TX_DESC_PKT_ID(pdesc, 8); 722 } 723 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 724 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 725 } 726 727 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 728 u8 *pdesc, bool firstseg, 729 bool lastseg, struct sk_buff *skb) 730 { 731 struct rtl_priv *rtlpriv = rtl_priv(hw); 732 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 733 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 734 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 735 u8 fw_queue = QSLT_BEACON; 736 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 737 skb->data, skb->len, PCI_DMA_TODEVICE); 738 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 739 __le16 fc = hdr->frame_control; 740 741 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 742 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 743 "DMA mapping error\n"); 744 return; 745 } 746 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); 747 if (firstseg) 748 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 749 /* 5G have no CCK rate 750 * Caution: The macros below are multi-line expansions. 751 * The braces are needed no matter what checkpatch says 752 */ 753 if (rtlhal->current_bandtype == BAND_ON_5G) { 754 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M); 755 } else { 756 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 757 } 758 SET_TX_DESC_SEQ(pdesc, 0); 759 SET_TX_DESC_LINIP(pdesc, 0); 760 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 761 SET_TX_DESC_FIRST_SEG(pdesc, 1); 762 SET_TX_DESC_LAST_SEG(pdesc, 1); 763 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len); 764 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 765 SET_TX_DESC_RATE_ID(pdesc, 7); 766 SET_TX_DESC_MACID(pdesc, 0); 767 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len)); 768 SET_TX_DESC_FIRST_SEG(pdesc, 1); 769 SET_TX_DESC_LAST_SEG(pdesc, 1); 770 SET_TX_DESC_OFFSET(pdesc, 0x20); 771 SET_TX_DESC_USE_RATE(pdesc, 1); 772 773 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 774 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 775 SET_TX_DESC_PKT_ID(pdesc, 8); 776 } 777 778 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 779 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 780 wmb(); 781 SET_TX_DESC_OWN(pdesc, 1); 782 } 783 784 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, 785 u8 desc_name, u8 *val) 786 { 787 if (istx) { 788 switch (desc_name) { 789 case HW_DESC_OWN: 790 wmb(); 791 SET_TX_DESC_OWN(pdesc, 1); 792 break; 793 case HW_DESC_TX_NEXTDESC_ADDR: 794 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); 795 break; 796 default: 797 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 798 desc_name); 799 break; 800 } 801 } else { 802 switch (desc_name) { 803 case HW_DESC_RXOWN: 804 wmb(); 805 SET_RX_DESC_OWN(pdesc, 1); 806 break; 807 case HW_DESC_RXBUFF_ADDR: 808 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); 809 break; 810 case HW_DESC_RXPKT_LEN: 811 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); 812 break; 813 case HW_DESC_RXERO: 814 SET_RX_DESC_EOR(pdesc, 1); 815 break; 816 default: 817 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 818 desc_name); 819 break; 820 } 821 } 822 } 823 824 u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name) 825 { 826 u32 ret = 0; 827 828 if (istx) { 829 switch (desc_name) { 830 case HW_DESC_OWN: 831 ret = GET_TX_DESC_OWN(p_desc); 832 break; 833 case HW_DESC_TXBUFF_ADDR: 834 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); 835 break; 836 default: 837 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 838 desc_name); 839 break; 840 } 841 } else { 842 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 843 switch (desc_name) { 844 case HW_DESC_OWN: 845 ret = GET_RX_DESC_OWN(pdesc); 846 break; 847 case HW_DESC_RXPKT_LEN: 848 ret = GET_RX_DESC_PKT_LEN(pdesc); 849 break; 850 default: 851 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 852 desc_name); 853 break; 854 } 855 } 856 return ret; 857 } 858 859 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 860 { 861 struct rtl_priv *rtlpriv = rtl_priv(hw); 862 if (hw_queue == BEACON_QUEUE) 863 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 864 else 865 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 866 BIT(0) << (hw_queue)); 867 } 868