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 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * wlanfae <wlanfae@realtek.com> 23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 24 * Hsinchu 300, Taiwan. 25 * 26 * Larry Finger <Larry.Finger@lwfinger.net> 27 * 28 *****************************************************************************/ 29 30#include "../wifi.h" 31#include "../pci.h" 32#include "../base.h" 33#include "reg.h" 34#include "def.h" 35#include "phy.h" 36#include "trx.h" 37#include "led.h" 38 39static u8 _rtl92ce_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 40{ 41 __le16 fc = rtl_get_fc(skb); 42 43 if (unlikely(ieee80211_is_beacon(fc))) 44 return QSLT_BEACON; 45 if (ieee80211_is_mgmt(fc)) 46 return QSLT_MGNT; 47 48 return skb->priority; 49} 50 51static u8 _rtl92c_query_rxpwrpercentage(char antpower) 52{ 53 if ((antpower <= -100) || (antpower >= 20)) 54 return 0; 55 else if (antpower >= 0) 56 return 100; 57 else 58 return 100 + antpower; 59} 60 61static u8 _rtl92c_evm_db_to_percentage(char value) 62{ 63 char ret_val; 64 ret_val = value; 65 66 if (ret_val >= 0) 67 ret_val = 0; 68 69 if (ret_val <= -33) 70 ret_val = -33; 71 72 ret_val = 0 - ret_val; 73 ret_val *= 3; 74 75 if (ret_val == 99) 76 ret_val = 100; 77 78 return ret_val; 79} 80 81static long _rtl92ce_translate_todbm(struct ieee80211_hw *hw, 82 u8 signal_strength_index) 83{ 84 long signal_power; 85 86 signal_power = (long)((signal_strength_index + 1) >> 1); 87 signal_power -= 95; 88 return signal_power; 89} 90 91static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw, 92 long currsig) 93{ 94 long retsig; 95 96 if (currsig >= 61 && currsig <= 100) 97 retsig = 90 + ((currsig - 60) / 4); 98 else if (currsig >= 41 && currsig <= 60) 99 retsig = 78 + ((currsig - 40) / 2); 100 else if (currsig >= 31 && currsig <= 40) 101 retsig = 66 + (currsig - 30); 102 else if (currsig >= 21 && currsig <= 30) 103 retsig = 54 + (currsig - 20); 104 else if (currsig >= 5 && currsig <= 20) 105 retsig = 42 + (((currsig - 5) * 2) / 3); 106 else if (currsig == 4) 107 retsig = 36; 108 else if (currsig == 3) 109 retsig = 27; 110 else if (currsig == 2) 111 retsig = 18; 112 else if (currsig == 1) 113 retsig = 9; 114 else 115 retsig = currsig; 116 117 return retsig; 118} 119 120static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw, 121 struct rtl_stats *pstats, 122 struct rx_desc_92c *pdesc, 123 struct rx_fwinfo_92c *p_drvinfo, 124 bool packet_match_bssid, 125 bool packet_toself, 126 bool packet_beacon) 127{ 128 struct rtl_priv *rtlpriv = rtl_priv(hw); 129 struct phy_sts_cck_8192s_t *cck_buf; 130 s8 rx_pwr_all = 0, rx_pwr[4]; 131 u8 evm, pwdb_all, rf_rx_num = 0; 132 u8 i, max_spatial_stream; 133 u32 rssi, total_rssi = 0; 134 bool in_powersavemode = false; 135 bool is_cck_rate; 136 137 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc); 138 pstats->packet_matchbssid = packet_match_bssid; 139 pstats->packet_toself = packet_toself; 140 pstats->is_cck = is_cck_rate; 141 pstats->packet_beacon = packet_beacon; 142 pstats->is_cck = is_cck_rate; 143 pstats->rx_mimo_signalquality[0] = -1; 144 pstats->rx_mimo_signalquality[1] = -1; 145 146 if (is_cck_rate) { 147 u8 report, cck_highpwr; 148 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; 149 150 if (!in_powersavemode) 151 cck_highpwr = (u8) rtl_get_bbreg(hw, 152 RFPGA0_XA_HSSIPARAMETER2, 153 BIT(9)); 154 else 155 cck_highpwr = false; 156 157 if (!cck_highpwr) { 158 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 159 report = cck_buf->cck_agc_rpt & 0xc0; 160 report = report >> 6; 161 switch (report) { 162 case 0x3: 163 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 164 break; 165 case 0x2: 166 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 167 break; 168 case 0x1: 169 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 170 break; 171 case 0x0: 172 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 173 break; 174 } 175 } else { 176 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 177 report = p_drvinfo->cfosho[0] & 0x60; 178 report = report >> 5; 179 switch (report) { 180 case 0x3: 181 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 182 break; 183 case 0x2: 184 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 185 break; 186 case 0x1: 187 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 188 break; 189 case 0x0: 190 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 191 break; 192 } 193 } 194 195 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); 196 pstats->rx_pwdb_all = pwdb_all; 197 pstats->recvsignalpower = rx_pwr_all; 198 199 if (packet_match_bssid) { 200 u8 sq; 201 if (pstats->rx_pwdb_all > 40) 202 sq = 100; 203 else { 204 sq = cck_buf->sq_rpt; 205 if (sq > 64) 206 sq = 0; 207 else if (sq < 20) 208 sq = 100; 209 else 210 sq = ((64 - sq) * 100) / 44; 211 } 212 213 pstats->signalquality = sq; 214 pstats->rx_mimo_signalquality[0] = sq; 215 pstats->rx_mimo_signalquality[1] = -1; 216 } 217 } else { 218 rtlpriv->dm.rfpath_rxenable[0] = 219 rtlpriv->dm.rfpath_rxenable[1] = true; 220 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { 221 if (rtlpriv->dm.rfpath_rxenable[i]) 222 rf_rx_num++; 223 224 rx_pwr[i] = 225 ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; 226 rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]); 227 total_rssi += rssi; 228 rtlpriv->stats.rx_snr_db[i] = 229 (long)(p_drvinfo->rxsnr[i] / 2); 230 231 if (packet_match_bssid) 232 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 233 } 234 235 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; 236 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); 237 pstats->rx_pwdb_all = pwdb_all; 238 pstats->rxpower = rx_pwr_all; 239 pstats->recvsignalpower = rx_pwr_all; 240 241 if (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 && 242 pdesc->rxmcs <= DESC92_RATEMCS15) 243 max_spatial_stream = 2; 244 else 245 max_spatial_stream = 1; 246 247 for (i = 0; i < max_spatial_stream; i++) { 248 evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]); 249 250 if (packet_match_bssid) { 251 if (i == 0) 252 pstats->signalquality = 253 (u8) (evm & 0xff); 254 pstats->rx_mimo_signalquality[i] = 255 (u8) (evm & 0xff); 256 } 257 } 258 } 259 260 if (is_cck_rate) 261 pstats->signalstrength = 262 (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all)); 263 else if (rf_rx_num != 0) 264 pstats->signalstrength = 265 (u8) (_rtl92ce_signal_scale_mapping 266 (hw, total_rssi /= rf_rx_num)); 267} 268 269static void _rtl92ce_process_ui_rssi(struct ieee80211_hw *hw, 270 struct rtl_stats *pstats) 271{ 272 struct rtl_priv *rtlpriv = rtl_priv(hw); 273 struct rtl_phy *rtlphy = &(rtlpriv->phy); 274 u8 rfpath; 275 u32 last_rssi, tmpval; 276 277 if (pstats->packet_toself || pstats->packet_beacon) { 278 rtlpriv->stats.rssi_calculate_cnt++; 279 280 if (rtlpriv->stats.ui_rssi.total_num++ >= 281 PHY_RSSI_SLID_WIN_MAX) { 282 283 rtlpriv->stats.ui_rssi.total_num = 284 PHY_RSSI_SLID_WIN_MAX; 285 last_rssi = 286 rtlpriv->stats.ui_rssi.elements[rtlpriv-> 287 stats.ui_rssi.index]; 288 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 289 } 290 291 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 292 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi. 293 index++] = 294 pstats->signalstrength; 295 296 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 297 rtlpriv->stats.ui_rssi.index = 0; 298 299 tmpval = rtlpriv->stats.ui_rssi.total_val / 300 rtlpriv->stats.ui_rssi.total_num; 301 rtlpriv->stats.signal_strength = 302 _rtl92ce_translate_todbm(hw, (u8) tmpval); 303 pstats->rssi = rtlpriv->stats.signal_strength; 304 } 305 306 if (!pstats->is_cck && pstats->packet_toself) { 307 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 308 rfpath++) { 309 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 310 rtlpriv->stats.rx_rssi_percentage[rfpath] = 311 pstats->rx_mimo_signalstrength[rfpath]; 312 313 } 314 315 if (pstats->rx_mimo_signalstrength[rfpath] > 316 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 317 rtlpriv->stats.rx_rssi_percentage[rfpath] = 318 ((rtlpriv->stats. 319 rx_rssi_percentage[rfpath] * 320 (RX_SMOOTH_FACTOR - 1)) + 321 (pstats->rx_mimo_signalstrength[rfpath])) / 322 (RX_SMOOTH_FACTOR); 323 324 rtlpriv->stats.rx_rssi_percentage[rfpath] = 325 rtlpriv->stats.rx_rssi_percentage[rfpath] + 326 1; 327 } else { 328 rtlpriv->stats.rx_rssi_percentage[rfpath] = 329 ((rtlpriv->stats. 330 rx_rssi_percentage[rfpath] * 331 (RX_SMOOTH_FACTOR - 1)) + 332 (pstats->rx_mimo_signalstrength[rfpath])) / 333 (RX_SMOOTH_FACTOR); 334 } 335 336 } 337 } 338} 339 340static void _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw, 341 struct rtl_stats *pstats) 342{ 343 struct rtl_priv *rtlpriv = rtl_priv(hw); 344 int weighting = 0; 345 346 if (rtlpriv->stats.recv_signal_power == 0) 347 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 348 349 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 350 weighting = 5; 351 352 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 353 weighting = (-5); 354 355 rtlpriv->stats.recv_signal_power = 356 (rtlpriv->stats.recv_signal_power * 5 + 357 pstats->recvsignalpower + weighting) / 6; 358} 359 360static void _rtl92ce_process_pwdb(struct ieee80211_hw *hw, 361 struct rtl_stats *pstats) 362{ 363 struct rtl_priv *rtlpriv = rtl_priv(hw); 364 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 365 long undecorated_smoothed_pwdb; 366 367 if (mac->opmode == NL80211_IFTYPE_ADHOC) { 368 return; 369 } else { 370 undecorated_smoothed_pwdb = 371 rtlpriv->dm.undecorated_smoothed_pwdb; 372 } 373 374 if (pstats->packet_toself || pstats->packet_beacon) { 375 if (undecorated_smoothed_pwdb < 0) 376 undecorated_smoothed_pwdb = pstats->rx_pwdb_all; 377 378 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) { 379 undecorated_smoothed_pwdb = 380 (((undecorated_smoothed_pwdb) * 381 (RX_SMOOTH_FACTOR - 1)) + 382 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 383 384 undecorated_smoothed_pwdb = undecorated_smoothed_pwdb 385 + 1; 386 } else { 387 undecorated_smoothed_pwdb = 388 (((undecorated_smoothed_pwdb) * 389 (RX_SMOOTH_FACTOR - 1)) + 390 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 391 } 392 393 rtlpriv->dm.undecorated_smoothed_pwdb = 394 undecorated_smoothed_pwdb; 395 _rtl92ce_update_rxsignalstatistics(hw, pstats); 396 } 397} 398 399static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw, 400 struct rtl_stats *pstats) 401{ 402 struct rtl_priv *rtlpriv = rtl_priv(hw); 403 u32 last_evm, n_spatialstream, tmpval; 404 405 if (pstats->signalquality != 0) { 406 if (pstats->packet_toself || pstats->packet_beacon) { 407 408 if (rtlpriv->stats.ui_link_quality.total_num++ >= 409 PHY_LINKQUALITY_SLID_WIN_MAX) { 410 rtlpriv->stats.ui_link_quality.total_num = 411 PHY_LINKQUALITY_SLID_WIN_MAX; 412 last_evm = 413 rtlpriv->stats. 414 ui_link_quality.elements[rtlpriv-> 415 stats.ui_link_quality. 416 index]; 417 rtlpriv->stats.ui_link_quality.total_val -= 418 last_evm; 419 } 420 421 rtlpriv->stats.ui_link_quality.total_val += 422 pstats->signalquality; 423 rtlpriv->stats.ui_link_quality.elements[rtlpriv->stats. 424 ui_link_quality. 425 index++] = 426 pstats->signalquality; 427 428 if (rtlpriv->stats.ui_link_quality.index >= 429 PHY_LINKQUALITY_SLID_WIN_MAX) 430 rtlpriv->stats.ui_link_quality.index = 0; 431 432 tmpval = rtlpriv->stats.ui_link_quality.total_val / 433 rtlpriv->stats.ui_link_quality.total_num; 434 rtlpriv->stats.signal_quality = tmpval; 435 436 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 437 438 for (n_spatialstream = 0; n_spatialstream < 2; 439 n_spatialstream++) { 440 if (pstats-> 441 rx_mimo_signalquality[n_spatialstream] != 442 -1) { 443 if (rtlpriv->stats. 444 rx_evm_percentage[n_spatialstream] 445 == 0) { 446 rtlpriv->stats. 447 rx_evm_percentage 448 [n_spatialstream] = 449 pstats->rx_mimo_signalquality 450 [n_spatialstream]; 451 } 452 453 rtlpriv->stats. 454 rx_evm_percentage[n_spatialstream] = 455 ((rtlpriv-> 456 stats.rx_evm_percentage 457 [n_spatialstream] * 458 (RX_SMOOTH_FACTOR - 1)) + 459 (pstats-> 460 rx_mimo_signalquality 461 [n_spatialstream] * 1)) / 462 (RX_SMOOTH_FACTOR); 463 } 464 } 465 } 466 } else { 467 ; 468 } 469} 470 471static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw, 472 u8 *buffer, 473 struct rtl_stats *pcurrent_stats) 474{ 475 476 if (!pcurrent_stats->packet_matchbssid && 477 !pcurrent_stats->packet_beacon) 478 return; 479 480 _rtl92ce_process_ui_rssi(hw, pcurrent_stats); 481 _rtl92ce_process_pwdb(hw, pcurrent_stats); 482 _rtl92ce_process_ui_link_quality(hw, pcurrent_stats); 483} 484 485static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw, 486 struct sk_buff *skb, 487 struct rtl_stats *pstats, 488 struct rx_desc_92c *pdesc, 489 struct rx_fwinfo_92c *p_drvinfo) 490{ 491 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 492 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 493 494 struct ieee80211_hdr *hdr; 495 u8 *tmp_buf; 496 u8 *praddr; 497 __le16 fc; 498 u16 type, c_fc; 499 bool packet_matchbssid, packet_toself, packet_beacon; 500 501 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 502 503 hdr = (struct ieee80211_hdr *)tmp_buf; 504 fc = hdr->frame_control; 505 c_fc = le16_to_cpu(fc); 506 type = WLAN_FC_GET_TYPE(fc); 507 praddr = hdr->addr1; 508 509 packet_matchbssid = 510 ((IEEE80211_FTYPE_CTL != type) && 511 (!compare_ether_addr(mac->bssid, 512 (c_fc & IEEE80211_FCTL_TODS) ? 513 hdr->addr1 : (c_fc & IEEE80211_FCTL_FROMDS) ? 514 hdr->addr2 : hdr->addr3)) && 515 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 516 517 packet_toself = packet_matchbssid && 518 (!compare_ether_addr(praddr, rtlefuse->dev_addr)); 519 520 if (ieee80211_is_beacon(fc)) 521 packet_beacon = true; 522 523 _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 524 packet_matchbssid, packet_toself, 525 packet_beacon); 526 527 _rtl92ce_process_phyinfo(hw, tmp_buf, pstats); 528} 529 530bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw, 531 struct rtl_stats *stats, 532 struct ieee80211_rx_status *rx_status, 533 u8 *p_desc, struct sk_buff *skb) 534{ 535 struct rx_fwinfo_92c *p_drvinfo; 536 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 537 538 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 539 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 540 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 541 RX_DRV_INFO_SIZE_UNIT; 542 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 543 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 544 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 545 stats->hwerror = (stats->crc | stats->icv); 546 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 547 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); 548 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 549 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 550 stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 551 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 552 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 553 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); 554 555 rx_status->freq = hw->conf.channel->center_freq; 556 rx_status->band = hw->conf.channel->band; 557 558 if (GET_RX_DESC_CRC32(pdesc)) 559 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 560 561 if (!GET_RX_DESC_SWDEC(pdesc)) 562 rx_status->flag |= RX_FLAG_DECRYPTED; 563 564 if (GET_RX_DESC_BW(pdesc)) 565 rx_status->flag |= RX_FLAG_40MHZ; 566 567 if (GET_RX_DESC_RXHT(pdesc)) 568 rx_status->flag |= RX_FLAG_HT; 569 570 rx_status->flag |= RX_FLAG_MACTIME_MPDU; 571 572 if (stats->decrypted) 573 rx_status->flag |= RX_FLAG_DECRYPTED; 574 575 rx_status->rate_idx = rtlwifi_rate_mapping(hw, 576 (bool)GET_RX_DESC_RXHT(pdesc), 577 (u8)GET_RX_DESC_RXMCS(pdesc), 578 (bool)GET_RX_DESC_PAGGR(pdesc)); 579 580 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 581 if (phystatus) { 582 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + 583 stats->rx_bufshift); 584 585 _rtl92ce_translate_rx_signal_stuff(hw, 586 skb, stats, pdesc, 587 p_drvinfo); 588 } 589 590 /*rx_status->qual = stats->signal; */ 591 rx_status->signal = stats->rssi + 10; 592 /*rx_status->noise = -stats->noise; */ 593 594 return true; 595} 596 597void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw, 598 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 599 struct ieee80211_tx_info *info, struct sk_buff *skb, 600 u8 hw_queue, struct rtl_tcb_desc *tcb_desc) 601{ 602 struct rtl_priv *rtlpriv = rtl_priv(hw); 603 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 604 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 605 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 606 bool defaultadapter = true; 607 struct ieee80211_sta *sta; 608 u8 *pdesc = (u8 *) pdesc_tx; 609 u16 seq_number; 610 __le16 fc = hdr->frame_control; 611 u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue); 612 bool firstseg = ((hdr->seq_ctrl & 613 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 614 615 bool lastseg = ((hdr->frame_control & 616 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 617 618 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 619 skb->data, skb->len, 620 PCI_DMA_TODEVICE); 621 u8 bw_40 = 0; 622 623 rcu_read_lock(); 624 sta = get_sta(hw, mac->vif, mac->bssid); 625 if (mac->opmode == NL80211_IFTYPE_STATION) { 626 bw_40 = mac->bw_40; 627 } else if (mac->opmode == NL80211_IFTYPE_AP || 628 mac->opmode == NL80211_IFTYPE_ADHOC) { 629 if (sta) 630 bw_40 = sta->ht_cap.cap & 631 IEEE80211_HT_CAP_SUP_WIDTH_20_40; 632 } 633 634 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 635 636 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc); 637 638 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c)); 639 640 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 641 firstseg = true; 642 lastseg = true; 643 } 644 if (firstseg) { 645 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 646 647 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate); 648 649 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble) 650 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 651 652 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 653 SET_TX_DESC_AGG_BREAK(pdesc, 1); 654 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); 655 } 656 SET_TX_DESC_SEQ(pdesc, seq_number); 657 658 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable && 659 !tcb_desc-> 660 cts_enable) ? 1 : 0)); 661 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 662 ((tcb_desc->rts_enable 663 || tcb_desc->cts_enable) ? 1 : 0)); 664 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0)); 665 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0)); 666 667 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate); 668 SET_TX_DESC_RTS_BW(pdesc, 0); 669 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc); 670 SET_TX_DESC_RTS_SHORT(pdesc, 671 ((tcb_desc->rts_rate <= DESC92_RATE54M) ? 672 (tcb_desc->rts_use_shortpreamble ? 1 : 0) 673 : (tcb_desc->rts_use_shortgi ? 1 : 0))); 674 675 if (bw_40) { 676 if (tcb_desc->packet_bw) { 677 SET_TX_DESC_DATA_BW(pdesc, 1); 678 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); 679 } else { 680 SET_TX_DESC_DATA_BW(pdesc, 0); 681 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 682 mac->cur_40_prime_sc); 683 } 684 } else { 685 SET_TX_DESC_DATA_BW(pdesc, 0); 686 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); 687 } 688 689 SET_TX_DESC_LINIP(pdesc, 0); 690 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len); 691 692 if (sta) { 693 u8 ampdu_density = sta->ht_cap.ampdu_density; 694 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 695 } 696 697 if (info->control.hw_key) { 698 struct ieee80211_key_conf *keyconf = 699 info->control.hw_key; 700 701 switch (keyconf->cipher) { 702 case WLAN_CIPHER_SUITE_WEP40: 703 case WLAN_CIPHER_SUITE_WEP104: 704 case WLAN_CIPHER_SUITE_TKIP: 705 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 706 break; 707 case WLAN_CIPHER_SUITE_CCMP: 708 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 709 break; 710 default: 711 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 712 break; 713 714 } 715 } 716 717 SET_TX_DESC_PKT_ID(pdesc, 0); 718 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 719 720 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 721 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 722 SET_TX_DESC_DISABLE_FB(pdesc, 0); 723 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0); 724 725 if (ieee80211_is_data_qos(fc)) { 726 if (mac->rdg_en) { 727 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 728 "Enable RDG function\n"); 729 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 730 SET_TX_DESC_HTC(pdesc, 1); 731 } 732 } 733 } 734 rcu_read_unlock(); 735 736 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 737 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 738 739 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len); 740 741 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 742 743 if (rtlpriv->dm.useramask) { 744 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index); 745 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id); 746 } else { 747 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index); 748 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index); 749 } 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 if (!defaultadapter) 756 SET_TX_DESC_QOS(pdesc, 1); 757 } 758 759 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 760 761 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 762 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 763 SET_TX_DESC_BMC(pdesc, 1); 764 } 765 766 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 767} 768 769void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw, 770 u8 *pdesc, bool firstseg, 771 bool lastseg, struct sk_buff *skb) 772{ 773 struct rtl_priv *rtlpriv = rtl_priv(hw); 774 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 775 u8 fw_queue = QSLT_BEACON; 776 777 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 778 skb->data, skb->len, 779 PCI_DMA_TODEVICE); 780 781 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 782 __le16 fc = hdr->frame_control; 783 784 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); 785 786 if (firstseg) 787 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 788 789 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M); 790 791 SET_TX_DESC_SEQ(pdesc, 0); 792 793 SET_TX_DESC_LINIP(pdesc, 0); 794 795 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 796 797 SET_TX_DESC_FIRST_SEG(pdesc, 1); 798 SET_TX_DESC_LAST_SEG(pdesc, 1); 799 800 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len)); 801 802 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 803 804 SET_TX_DESC_RATE_ID(pdesc, 7); 805 SET_TX_DESC_MACID(pdesc, 0); 806 807 SET_TX_DESC_OWN(pdesc, 1); 808 809 SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len)); 810 811 SET_TX_DESC_FIRST_SEG(pdesc, 1); 812 SET_TX_DESC_LAST_SEG(pdesc, 1); 813 814 SET_TX_DESC_OFFSET(pdesc, 0x20); 815 816 SET_TX_DESC_USE_RATE(pdesc, 1); 817 818 if (!ieee80211_is_data_qos(fc)) { 819 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 820 SET_TX_DESC_PKT_ID(pdesc, 8); 821 } 822 823 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 824 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 825} 826 827void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) 828{ 829 if (istx) { 830 switch (desc_name) { 831 case HW_DESC_OWN: 832 wmb(); 833 SET_TX_DESC_OWN(pdesc, 1); 834 break; 835 case HW_DESC_TX_NEXTDESC_ADDR: 836 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); 837 break; 838 default: 839 RT_ASSERT(false, "ERR txdesc :%d not process\n", 840 desc_name); 841 break; 842 } 843 } else { 844 switch (desc_name) { 845 case HW_DESC_RXOWN: 846 wmb(); 847 SET_RX_DESC_OWN(pdesc, 1); 848 break; 849 case HW_DESC_RXBUFF_ADDR: 850 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); 851 break; 852 case HW_DESC_RXPKT_LEN: 853 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); 854 break; 855 case HW_DESC_RXERO: 856 SET_RX_DESC_EOR(pdesc, 1); 857 break; 858 default: 859 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 860 desc_name); 861 break; 862 } 863 } 864} 865 866u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name) 867{ 868 u32 ret = 0; 869 870 if (istx) { 871 switch (desc_name) { 872 case HW_DESC_OWN: 873 ret = GET_TX_DESC_OWN(p_desc); 874 break; 875 case HW_DESC_TXBUFF_ADDR: 876 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); 877 break; 878 default: 879 RT_ASSERT(false, "ERR txdesc :%d not process\n", 880 desc_name); 881 break; 882 } 883 } else { 884 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 885 switch (desc_name) { 886 case HW_DESC_OWN: 887 ret = GET_RX_DESC_OWN(pdesc); 888 break; 889 case HW_DESC_RXPKT_LEN: 890 ret = GET_RX_DESC_PKT_LEN(pdesc); 891 break; 892 default: 893 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 894 desc_name); 895 break; 896 } 897 } 898 return ret; 899} 900 901void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 902{ 903 struct rtl_priv *rtlpriv = rtl_priv(hw); 904 if (hw_queue == BEACON_QUEUE) { 905 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 906 } else { 907 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 908 BIT(0) << (hw_queue)); 909 } 910} 911 912