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 _rtl92de_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 _rtl92d_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 _rtl92d_evm_db_to_percentage(char value) 62{ 63 char ret_val = value; 64 65 if (ret_val >= 0) 66 ret_val = 0; 67 if (ret_val <= -33) 68 ret_val = -33; 69 ret_val = 0 - ret_val; 70 ret_val *= 3; 71 if (ret_val == 99) 72 ret_val = 100; 73 return ret_val; 74} 75 76static long _rtl92de_translate_todbm(struct ieee80211_hw *hw, 77 u8 signal_strength_index) 78{ 79 long signal_power; 80 81 signal_power = (long)((signal_strength_index + 1) >> 1); 82 signal_power -= 95; 83 return signal_power; 84} 85 86static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig) 87{ 88 long retsig; 89 90 if (currsig >= 61 && currsig <= 100) 91 retsig = 90 + ((currsig - 60) / 4); 92 else if (currsig >= 41 && currsig <= 60) 93 retsig = 78 + ((currsig - 40) / 2); 94 else if (currsig >= 31 && currsig <= 40) 95 retsig = 66 + (currsig - 30); 96 else if (currsig >= 21 && currsig <= 30) 97 retsig = 54 + (currsig - 20); 98 else if (currsig >= 5 && currsig <= 20) 99 retsig = 42 + (((currsig - 5) * 2) / 3); 100 else if (currsig == 4) 101 retsig = 36; 102 else if (currsig == 3) 103 retsig = 27; 104 else if (currsig == 2) 105 retsig = 18; 106 else if (currsig == 1) 107 retsig = 9; 108 else 109 retsig = currsig; 110 return retsig; 111} 112 113static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, 114 struct rtl_stats *pstats, 115 struct rx_desc_92d *pdesc, 116 struct rx_fwinfo_92d *p_drvinfo, 117 bool packet_match_bssid, 118 bool packet_toself, 119 bool packet_beacon) 120{ 121 struct rtl_priv *rtlpriv = rtl_priv(hw); 122 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 123 struct phy_sts_cck_8192d *cck_buf; 124 s8 rx_pwr_all, rx_pwr[4]; 125 u8 rf_rx_num = 0, evm, pwdb_all; 126 u8 i, max_spatial_stream; 127 u32 rssi, total_rssi = 0; 128 bool is_cck_rate; 129 130 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc); 131 pstats->packet_matchbssid = packet_match_bssid; 132 pstats->packet_toself = packet_toself; 133 pstats->packet_beacon = packet_beacon; 134 pstats->is_cck = is_cck_rate; 135 pstats->rx_mimo_signalquality[0] = -1; 136 pstats->rx_mimo_signalquality[1] = -1; 137 138 if (is_cck_rate) { 139 u8 report, cck_highpwr; 140 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; 141 if (ppsc->rfpwr_state == ERFON) 142 cck_highpwr = (u8) rtl_get_bbreg(hw, 143 RFPGA0_XA_HSSIPARAMETER2, 144 BIT(9)); 145 else 146 cck_highpwr = false; 147 if (!cck_highpwr) { 148 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 149 report = cck_buf->cck_agc_rpt & 0xc0; 150 report = report >> 6; 151 switch (report) { 152 case 0x3: 153 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 154 break; 155 case 0x2: 156 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 157 break; 158 case 0x1: 159 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 160 break; 161 case 0x0: 162 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 163 break; 164 } 165 } else { 166 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 167 report = p_drvinfo->cfosho[0] & 0x60; 168 report = report >> 5; 169 switch (report) { 170 case 0x3: 171 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 172 break; 173 case 0x2: 174 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 175 break; 176 case 0x1: 177 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 178 break; 179 case 0x0: 180 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 181 break; 182 } 183 } 184 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all); 185 /* CCK gain is smaller than OFDM/MCS gain, */ 186 /* so we add gain diff by experiences, the val is 6 */ 187 pwdb_all += 6; 188 if (pwdb_all > 100) 189 pwdb_all = 100; 190 /* modify the offset to make the same gain index with OFDM. */ 191 if (pwdb_all > 34 && pwdb_all <= 42) 192 pwdb_all -= 2; 193 else if (pwdb_all > 26 && pwdb_all <= 34) 194 pwdb_all -= 6; 195 else if (pwdb_all > 14 && pwdb_all <= 26) 196 pwdb_all -= 8; 197 else if (pwdb_all > 4 && pwdb_all <= 14) 198 pwdb_all -= 4; 199 pstats->rx_pwdb_all = pwdb_all; 200 pstats->recvsignalpower = rx_pwr_all; 201 if (packet_match_bssid) { 202 u8 sq; 203 if (pstats->rx_pwdb_all > 40) { 204 sq = 100; 205 } else { 206 sq = cck_buf->sq_rpt; 207 if (sq > 64) 208 sq = 0; 209 else if (sq < 20) 210 sq = 100; 211 else 212 sq = ((64 - sq) * 100) / 44; 213 } 214 pstats->signalquality = sq; 215 pstats->rx_mimo_signalquality[0] = sq; 216 pstats->rx_mimo_signalquality[1] = -1; 217 } 218 } else { 219 rtlpriv->dm.rfpath_rxenable[0] = true; 220 rtlpriv->dm.rfpath_rxenable[1] = true; 221 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 222 if (rtlpriv->dm.rfpath_rxenable[i]) 223 rf_rx_num++; 224 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) 225 - 110; 226 rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]); 227 total_rssi += rssi; 228 rtlpriv->stats.rx_snr_db[i] = 229 (long)(p_drvinfo->rxsnr[i] / 2); 230 if (packet_match_bssid) 231 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 232 } 233 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; 234 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all); 235 pstats->rx_pwdb_all = pwdb_all; 236 pstats->rxpower = rx_pwr_all; 237 pstats->recvsignalpower = rx_pwr_all; 238 if (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 && 239 pdesc->rxmcs <= DESC92_RATEMCS15) 240 max_spatial_stream = 2; 241 else 242 max_spatial_stream = 1; 243 for (i = 0; i < max_spatial_stream; i++) { 244 evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]); 245 if (packet_match_bssid) { 246 if (i == 0) 247 pstats->signalquality = 248 (u8)(evm & 0xff); 249 pstats->rx_mimo_signalquality[i] = 250 (u8)(evm & 0xff); 251 } 252 } 253 } 254 if (is_cck_rate) 255 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw, 256 pwdb_all)); 257 else if (rf_rx_num != 0) 258 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw, 259 total_rssi /= rf_rx_num)); 260} 261 262static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, 263 struct rtl_stats *pstats) 264{ 265 struct rtl_priv *rtlpriv = rtl_priv(hw); 266 struct rtl_phy *rtlphy = &(rtlpriv->phy); 267 u8 rfpath; 268 269 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 270 rfpath++) { 271 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 272 rtlpriv->stats.rx_rssi_percentage[rfpath] = 273 pstats->rx_mimo_signalstrength[rfpath]; 274 275 } 276 if (pstats->rx_mimo_signalstrength[rfpath] > 277 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 278 rtlpriv->stats.rx_rssi_percentage[rfpath] = 279 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 280 (RX_SMOOTH_FACTOR - 1)) + 281 (pstats->rx_mimo_signalstrength[rfpath])) / 282 (RX_SMOOTH_FACTOR); 283 rtlpriv->stats.rx_rssi_percentage[rfpath] = 284 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; 285 } else { 286 rtlpriv->stats.rx_rssi_percentage[rfpath] = 287 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 288 (RX_SMOOTH_FACTOR - 1)) + 289 (pstats->rx_mimo_signalstrength[rfpath])) / 290 (RX_SMOOTH_FACTOR); 291 } 292 } 293} 294 295static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, 296 struct rtl_stats *pstats) 297{ 298 struct rtl_priv *rtlpriv = rtl_priv(hw); 299 u32 last_rssi, tmpval; 300 301 if (pstats->packet_toself || pstats->packet_beacon) { 302 rtlpriv->stats.rssi_calculate_cnt++; 303 if (rtlpriv->stats.ui_rssi.total_num++ >= 304 PHY_RSSI_SLID_WIN_MAX) { 305 rtlpriv->stats.ui_rssi.total_num = 306 PHY_RSSI_SLID_WIN_MAX; 307 last_rssi = rtlpriv->stats.ui_rssi.elements[ 308 rtlpriv->stats.ui_rssi.index]; 309 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 310 } 311 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 312 rtlpriv->stats.ui_rssi.elements 313 [rtlpriv->stats.ui_rssi.index++] = 314 pstats->signalstrength; 315 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 316 rtlpriv->stats.ui_rssi.index = 0; 317 tmpval = rtlpriv->stats.ui_rssi.total_val / 318 rtlpriv->stats.ui_rssi.total_num; 319 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, 320 (u8) tmpval); 321 pstats->rssi = rtlpriv->stats.signal_strength; 322 } 323 if (!pstats->is_cck && pstats->packet_toself) 324 rtl92d_loop_over_paths(hw, pstats); 325} 326 327static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, 328 struct rtl_stats *pstats) 329{ 330 struct rtl_priv *rtlpriv = rtl_priv(hw); 331 int weighting = 0; 332 333 if (rtlpriv->stats.recv_signal_power == 0) 334 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 335 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 336 weighting = 5; 337 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 338 weighting = (-5); 339 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 340 5 + pstats->recvsignalpower + weighting) / 6; 341} 342 343static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, 344 struct rtl_stats *pstats) 345{ 346 struct rtl_priv *rtlpriv = rtl_priv(hw); 347 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 348 long undecorated_smoothed_pwdb; 349 350 if (mac->opmode == NL80211_IFTYPE_ADHOC || 351 mac->opmode == NL80211_IFTYPE_AP) 352 return; 353 else 354 undecorated_smoothed_pwdb = 355 rtlpriv->dm.undecorated_smoothed_pwdb; 356 357 if (pstats->packet_toself || pstats->packet_beacon) { 358 if (undecorated_smoothed_pwdb < 0) 359 undecorated_smoothed_pwdb = pstats->rx_pwdb_all; 360 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) { 361 undecorated_smoothed_pwdb = 362 (((undecorated_smoothed_pwdb) * 363 (RX_SMOOTH_FACTOR - 1)) + 364 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 365 undecorated_smoothed_pwdb = 366 undecorated_smoothed_pwdb + 1; 367 } else { 368 undecorated_smoothed_pwdb = 369 (((undecorated_smoothed_pwdb) * 370 (RX_SMOOTH_FACTOR - 1)) + 371 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 372 } 373 rtlpriv->dm.undecorated_smoothed_pwdb = 374 undecorated_smoothed_pwdb; 375 _rtl92de_update_rxsignalstatistics(hw, pstats); 376 } 377} 378 379static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 380 struct rtl_stats *pstats) 381{ 382 struct rtl_priv *rtlpriv = rtl_priv(hw); 383 int stream; 384 385 for (stream = 0; stream < 2; stream++) { 386 if (pstats->rx_mimo_signalquality[stream] != -1) { 387 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 388 rtlpriv->stats.rx_evm_percentage[stream] = 389 pstats->rx_mimo_signalquality[stream]; 390 } 391 rtlpriv->stats.rx_evm_percentage[stream] = 392 ((rtlpriv->stats.rx_evm_percentage[stream] 393 * (RX_SMOOTH_FACTOR - 1)) + 394 (pstats->rx_mimo_signalquality[stream] * 1)) / 395 (RX_SMOOTH_FACTOR); 396 } 397 } 398} 399 400static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 401 struct rtl_stats *pstats) 402{ 403 struct rtl_priv *rtlpriv = rtl_priv(hw); 404 u32 last_evm, tmpval; 405 406 if (pstats->signalquality == 0) 407 return; 408 if (pstats->packet_toself || pstats->packet_beacon) { 409 if (rtlpriv->stats.ui_link_quality.total_num++ >= 410 PHY_LINKQUALITY_SLID_WIN_MAX) { 411 rtlpriv->stats.ui_link_quality.total_num = 412 PHY_LINKQUALITY_SLID_WIN_MAX; 413 last_evm = rtlpriv->stats.ui_link_quality.elements[ 414 rtlpriv->stats.ui_link_quality.index]; 415 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 416 } 417 rtlpriv->stats.ui_link_quality.total_val += 418 pstats->signalquality; 419 rtlpriv->stats.ui_link_quality.elements[ 420 rtlpriv->stats.ui_link_quality.index++] = 421 pstats->signalquality; 422 if (rtlpriv->stats.ui_link_quality.index >= 423 PHY_LINKQUALITY_SLID_WIN_MAX) 424 rtlpriv->stats.ui_link_quality.index = 0; 425 tmpval = rtlpriv->stats.ui_link_quality.total_val / 426 rtlpriv->stats.ui_link_quality.total_num; 427 rtlpriv->stats.signal_quality = tmpval; 428 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 429 rtl92d_loop_over_streams(hw, pstats); 430 } 431} 432 433static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 434 u8 *buffer, 435 struct rtl_stats *pcurrent_stats) 436{ 437 438 if (!pcurrent_stats->packet_matchbssid && 439 !pcurrent_stats->packet_beacon) 440 return; 441 442 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 443 _rtl92de_process_pwdb(hw, pcurrent_stats); 444 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 445} 446 447static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 448 struct sk_buff *skb, 449 struct rtl_stats *pstats, 450 struct rx_desc_92d *pdesc, 451 struct rx_fwinfo_92d *p_drvinfo) 452{ 453 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 454 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 455 struct ieee80211_hdr *hdr; 456 u8 *tmp_buf; 457 u8 *praddr; 458 u16 type, cfc; 459 __le16 fc; 460 bool packet_matchbssid, packet_toself, packet_beacon; 461 462 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 463 hdr = (struct ieee80211_hdr *)tmp_buf; 464 fc = hdr->frame_control; 465 cfc = le16_to_cpu(fc); 466 type = WLAN_FC_GET_TYPE(fc); 467 praddr = hdr->addr1; 468 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 469 (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ? 470 hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ? 471 hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) && 472 (!pstats->crc) && (!pstats->icv)); 473 packet_toself = packet_matchbssid && 474 (!compare_ether_addr(praddr, rtlefuse->dev_addr)); 475 if (ieee80211_is_beacon(fc)) 476 packet_beacon = true; 477 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 478 packet_matchbssid, packet_toself, 479 packet_beacon); 480 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 481} 482 483bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 484 struct ieee80211_rx_status *rx_status, 485 u8 *p_desc, struct sk_buff *skb) 486{ 487 struct rx_fwinfo_92d *p_drvinfo; 488 struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc; 489 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 490 491 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 492 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 493 RX_DRV_INFO_SIZE_UNIT; 494 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 495 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 496 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 497 stats->hwerror = (stats->crc | stats->icv); 498 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 499 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); 500 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 501 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 502 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 503 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 504 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 505 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); 506 rx_status->freq = hw->conf.channel->center_freq; 507 rx_status->band = hw->conf.channel->band; 508 if (GET_RX_DESC_CRC32(pdesc)) 509 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 510 if (!GET_RX_DESC_SWDEC(pdesc)) 511 rx_status->flag |= RX_FLAG_DECRYPTED; 512 if (GET_RX_DESC_BW(pdesc)) 513 rx_status->flag |= RX_FLAG_40MHZ; 514 if (GET_RX_DESC_RXHT(pdesc)) 515 rx_status->flag |= RX_FLAG_HT; 516 rx_status->flag |= RX_FLAG_MACTIME_MPDU; 517 if (stats->decrypted) 518 rx_status->flag |= RX_FLAG_DECRYPTED; 519 rx_status->rate_idx = rtlwifi_rate_mapping(hw, 520 (bool)GET_RX_DESC_RXHT(pdesc), 521 (u8)GET_RX_DESC_RXMCS(pdesc), 522 (bool)GET_RX_DESC_PAGGR(pdesc)); 523 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 524 if (phystatus) { 525 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 526 stats->rx_bufshift); 527 _rtl92de_translate_rx_signal_stuff(hw, 528 skb, stats, pdesc, 529 p_drvinfo); 530 } 531 /*rx_status->qual = stats->signal; */ 532 rx_status->signal = stats->rssi + 10; 533 /*rx_status->noise = -stats->noise; */ 534 return true; 535} 536 537static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 538 u8 *virtualaddress) 539{ 540 memset(virtualaddress, 0, 8); 541 542 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); 543 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]); 544 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]); 545 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 546 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 547 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]); 548 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]); 549} 550 551void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 552 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 553 struct ieee80211_tx_info *info, struct sk_buff *skb, 554 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 555{ 556 struct rtl_priv *rtlpriv = rtl_priv(hw); 557 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 558 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 559 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 560 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 561 struct ieee80211_sta *sta = info->control.sta; 562 u8 *pdesc = (u8 *) pdesc_tx; 563 u16 seq_number; 564 __le16 fc = hdr->frame_control; 565 unsigned int buf_len = 0; 566 unsigned int skb_len = skb->len; 567 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 568 bool firstseg = ((hdr->seq_ctrl & 569 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 570 bool lastseg = ((hdr->frame_control & 571 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 572 dma_addr_t mapping; 573 u8 bw_40 = 0; 574 575 if (mac->opmode == NL80211_IFTYPE_STATION) { 576 bw_40 = mac->bw_40; 577 } else if (mac->opmode == NL80211_IFTYPE_AP || 578 mac->opmode == NL80211_IFTYPE_ADHOC) { 579 if (sta) 580 bw_40 = sta->ht_cap.cap & 581 IEEE80211_HT_CAP_SUP_WIDTH_20_40; 582 } 583 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 584 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 585 /* reserve 8 byte for AMPDU early mode */ 586 if (rtlhal->earlymode_enable) { 587 skb_push(skb, EM_HDR_LEN); 588 memset(skb->data, 0, EM_HDR_LEN); 589 } 590 buf_len = skb->len; 591 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 592 PCI_DMA_TODEVICE); 593 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d)); 594 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 595 firstseg = true; 596 lastseg = true; 597 } 598 if (firstseg) { 599 if (rtlhal->earlymode_enable) { 600 SET_TX_DESC_PKT_OFFSET(pdesc, 1); 601 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + 602 EM_HDR_LEN); 603 if (ptcb_desc->empkt_num) { 604 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 605 "Insert 8 byte.pTcb->EMPktNum:%d\n", 606 ptcb_desc->empkt_num); 607 _rtl92de_insert_emcontent(ptcb_desc, 608 (u8 *)(skb->data)); 609 } 610 } else { 611 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 612 } 613 /* 5G have no CCK rate */ 614 if (rtlhal->current_bandtype == BAND_ON_5G) 615 if (ptcb_desc->hw_rate < DESC92_RATE6M) 616 ptcb_desc->hw_rate = DESC92_RATE6M; 617 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); 618 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 619 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 620 621 if (rtlhal->macphymode == DUALMAC_DUALPHY && 622 ptcb_desc->hw_rate == DESC92_RATEMCS7) 623 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 624 625 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 626 SET_TX_DESC_AGG_ENABLE(pdesc, 1); 627 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); 628 } 629 SET_TX_DESC_SEQ(pdesc, seq_number); 630 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && 631 !ptcb_desc->cts_enable) ? 1 : 0)); 632 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable 633 || ptcb_desc->cts_enable) ? 1 : 0)); 634 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 635 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 636 /* 5G have no CCK rate */ 637 if (rtlhal->current_bandtype == BAND_ON_5G) 638 if (ptcb_desc->rts_rate < DESC92_RATE6M) 639 ptcb_desc->rts_rate = DESC92_RATE6M; 640 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); 641 SET_TX_DESC_RTS_BW(pdesc, 0); 642 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); 643 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= 644 DESC92_RATE54M) ? 645 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 646 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 647 if (bw_40) { 648 if (ptcb_desc->packet_bw) { 649 SET_TX_DESC_DATA_BW(pdesc, 1); 650 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); 651 } else { 652 SET_TX_DESC_DATA_BW(pdesc, 0); 653 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 654 mac->cur_40_prime_sc); 655 } 656 } else { 657 SET_TX_DESC_DATA_BW(pdesc, 0); 658 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); 659 } 660 SET_TX_DESC_LINIP(pdesc, 0); 661 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len); 662 if (sta) { 663 u8 ampdu_density = sta->ht_cap.ampdu_density; 664 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 665 } 666 if (info->control.hw_key) { 667 struct ieee80211_key_conf *keyconf; 668 669 keyconf = info->control.hw_key; 670 switch (keyconf->cipher) { 671 case WLAN_CIPHER_SUITE_WEP40: 672 case WLAN_CIPHER_SUITE_WEP104: 673 case WLAN_CIPHER_SUITE_TKIP: 674 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 675 break; 676 case WLAN_CIPHER_SUITE_CCMP: 677 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 678 break; 679 default: 680 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 681 break; 682 683 } 684 } 685 SET_TX_DESC_PKT_ID(pdesc, 0); 686 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 687 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 688 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 689 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 690 1 : 0); 691 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 692 693 /* Set TxRate and RTSRate in TxDesc */ 694 /* This prevent Tx initial rate of new-coming packets */ 695 /* from being overwritten by retried packet rate.*/ 696 if (!ptcb_desc->use_driver_rate) { 697 SET_TX_DESC_RTS_RATE(pdesc, 0x08); 698 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ 699 } 700 if (ieee80211_is_data_qos(fc)) { 701 if (mac->rdg_en) { 702 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 703 "Enable RDG function\n"); 704 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 705 SET_TX_DESC_HTC(pdesc, 1); 706 } 707 } 708 } 709 710 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 711 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 712 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len); 713 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 714 if (rtlpriv->dm.useramask) { 715 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); 716 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); 717 } else { 718 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); 719 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index); 720 } 721 if (ieee80211_is_data_qos(fc)) 722 SET_TX_DESC_QOS(pdesc, 1); 723 724 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 725 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 726 SET_TX_DESC_PKT_ID(pdesc, 8); 727 } 728 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 729 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 730} 731 732void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 733 u8 *pdesc, bool firstseg, 734 bool lastseg, struct sk_buff *skb) 735{ 736 struct rtl_priv *rtlpriv = rtl_priv(hw); 737 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 738 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 739 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 740 u8 fw_queue = QSLT_BEACON; 741 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 742 skb->data, skb->len, PCI_DMA_TODEVICE); 743 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 744 __le16 fc = hdr->frame_control; 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, DESC92_RATE6M); 755 } else { 756 SET_TX_DESC_TX_RATE(pdesc, DESC92_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((u8 *) 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 784void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) 785{ 786 if (istx) { 787 switch (desc_name) { 788 case HW_DESC_OWN: 789 wmb(); 790 SET_TX_DESC_OWN(pdesc, 1); 791 break; 792 case HW_DESC_TX_NEXTDESC_ADDR: 793 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); 794 break; 795 default: 796 RT_ASSERT(false, "ERR txdesc :%d not process\n", 797 desc_name); 798 break; 799 } 800 } else { 801 switch (desc_name) { 802 case HW_DESC_RXOWN: 803 wmb(); 804 SET_RX_DESC_OWN(pdesc, 1); 805 break; 806 case HW_DESC_RXBUFF_ADDR: 807 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); 808 break; 809 case HW_DESC_RXPKT_LEN: 810 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); 811 break; 812 case HW_DESC_RXERO: 813 SET_RX_DESC_EOR(pdesc, 1); 814 break; 815 default: 816 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 817 desc_name); 818 break; 819 } 820 } 821} 822 823u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name) 824{ 825 u32 ret = 0; 826 827 if (istx) { 828 switch (desc_name) { 829 case HW_DESC_OWN: 830 ret = GET_TX_DESC_OWN(p_desc); 831 break; 832 case HW_DESC_TXBUFF_ADDR: 833 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); 834 break; 835 default: 836 RT_ASSERT(false, "ERR txdesc :%d not process\n", 837 desc_name); 838 break; 839 } 840 } else { 841 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 842 switch (desc_name) { 843 case HW_DESC_OWN: 844 ret = GET_RX_DESC_OWN(pdesc); 845 break; 846 case HW_DESC_RXPKT_LEN: 847 ret = GET_RX_DESC_PKT_LEN(pdesc); 848 break; 849 default: 850 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 851 desc_name); 852 break; 853 } 854 } 855 return ret; 856} 857 858void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 859{ 860 struct rtl_priv *rtlpriv = rtl_priv(hw); 861 if (hw_queue == BEACON_QUEUE) 862 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 863 else 864 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 865 BIT(0) << (hw_queue)); 866} 867