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->rxmcs); 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_sig_qual[0] = -1; 136 pstats->rx_mimo_sig_qual[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_sig_qual[0] = sq; 216 pstats->rx_mimo_sig_qual[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 >= DESC_RATEMCS8 && 239 pdesc->rxmcs <= DESC_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_sig_qual[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 undec_sm_pwdb; 349 350 if (mac->opmode == NL80211_IFTYPE_ADHOC || 351 mac->opmode == NL80211_IFTYPE_AP) 352 return; 353 else 354 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 355 356 if (pstats->packet_toself || pstats->packet_beacon) { 357 if (undec_sm_pwdb < 0) 358 undec_sm_pwdb = pstats->rx_pwdb_all; 359 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { 360 undec_sm_pwdb = (((undec_sm_pwdb) * 361 (RX_SMOOTH_FACTOR - 1)) + 362 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 363 undec_sm_pwdb = undec_sm_pwdb + 1; 364 } else { 365 undec_sm_pwdb = (((undec_sm_pwdb) * 366 (RX_SMOOTH_FACTOR - 1)) + 367 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 368 } 369 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; 370 _rtl92de_update_rxsignalstatistics(hw, pstats); 371 } 372} 373 374static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 375 struct rtl_stats *pstats) 376{ 377 struct rtl_priv *rtlpriv = rtl_priv(hw); 378 int stream; 379 380 for (stream = 0; stream < 2; stream++) { 381 if (pstats->rx_mimo_sig_qual[stream] != -1) { 382 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 383 rtlpriv->stats.rx_evm_percentage[stream] = 384 pstats->rx_mimo_sig_qual[stream]; 385 } 386 rtlpriv->stats.rx_evm_percentage[stream] = 387 ((rtlpriv->stats.rx_evm_percentage[stream] 388 * (RX_SMOOTH_FACTOR - 1)) + 389 (pstats->rx_mimo_sig_qual[stream] * 1)) / 390 (RX_SMOOTH_FACTOR); 391 } 392 } 393} 394 395static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 396 struct rtl_stats *pstats) 397{ 398 struct rtl_priv *rtlpriv = rtl_priv(hw); 399 u32 last_evm, tmpval; 400 401 if (pstats->signalquality == 0) 402 return; 403 if (pstats->packet_toself || pstats->packet_beacon) { 404 if (rtlpriv->stats.ui_link_quality.total_num++ >= 405 PHY_LINKQUALITY_SLID_WIN_MAX) { 406 rtlpriv->stats.ui_link_quality.total_num = 407 PHY_LINKQUALITY_SLID_WIN_MAX; 408 last_evm = rtlpriv->stats.ui_link_quality.elements[ 409 rtlpriv->stats.ui_link_quality.index]; 410 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 411 } 412 rtlpriv->stats.ui_link_quality.total_val += 413 pstats->signalquality; 414 rtlpriv->stats.ui_link_quality.elements[ 415 rtlpriv->stats.ui_link_quality.index++] = 416 pstats->signalquality; 417 if (rtlpriv->stats.ui_link_quality.index >= 418 PHY_LINKQUALITY_SLID_WIN_MAX) 419 rtlpriv->stats.ui_link_quality.index = 0; 420 tmpval = rtlpriv->stats.ui_link_quality.total_val / 421 rtlpriv->stats.ui_link_quality.total_num; 422 rtlpriv->stats.signal_quality = tmpval; 423 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 424 rtl92d_loop_over_streams(hw, pstats); 425 } 426} 427 428static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 429 u8 *buffer, 430 struct rtl_stats *pcurrent_stats) 431{ 432 433 if (!pcurrent_stats->packet_matchbssid && 434 !pcurrent_stats->packet_beacon) 435 return; 436 437 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 438 _rtl92de_process_pwdb(hw, pcurrent_stats); 439 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 440} 441 442static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 443 struct sk_buff *skb, 444 struct rtl_stats *pstats, 445 struct rx_desc_92d *pdesc, 446 struct rx_fwinfo_92d *p_drvinfo) 447{ 448 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 449 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 450 struct ieee80211_hdr *hdr; 451 u8 *tmp_buf; 452 u8 *praddr; 453 u16 type, cfc; 454 __le16 fc; 455 bool packet_matchbssid, packet_toself, packet_beacon = false; 456 457 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 458 hdr = (struct ieee80211_hdr *)tmp_buf; 459 fc = hdr->frame_control; 460 cfc = le16_to_cpu(fc); 461 type = WLAN_FC_GET_TYPE(fc); 462 praddr = hdr->addr1; 463 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 464 ether_addr_equal(mac->bssid, 465 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 466 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 467 hdr->addr3) && 468 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 469 packet_toself = packet_matchbssid && 470 ether_addr_equal(praddr, rtlefuse->dev_addr); 471 if (ieee80211_is_beacon(fc)) 472 packet_beacon = true; 473 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 474 packet_matchbssid, packet_toself, 475 packet_beacon); 476 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 477} 478 479bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 480 struct ieee80211_rx_status *rx_status, 481 u8 *p_desc, struct sk_buff *skb) 482{ 483 struct rx_fwinfo_92d *p_drvinfo; 484 struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc; 485 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 486 487 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 488 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 489 RX_DRV_INFO_SIZE_UNIT; 490 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 491 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 492 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 493 stats->hwerror = (stats->crc | stats->icv); 494 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 495 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); 496 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 497 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 498 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 499 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 500 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 501 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); 502 stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc); 503 rx_status->freq = hw->conf.chandef.chan->center_freq; 504 rx_status->band = hw->conf.chandef.chan->band; 505 if (GET_RX_DESC_CRC32(pdesc)) 506 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 507 if (!GET_RX_DESC_SWDEC(pdesc)) 508 rx_status->flag |= RX_FLAG_DECRYPTED; 509 if (GET_RX_DESC_BW(pdesc)) 510 rx_status->flag |= RX_FLAG_40MHZ; 511 if (GET_RX_DESC_RXHT(pdesc)) 512 rx_status->flag |= RX_FLAG_HT; 513 rx_status->flag |= RX_FLAG_MACTIME_START; 514 if (stats->decrypted) 515 rx_status->flag |= RX_FLAG_DECRYPTED; 516 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 517 false, stats->rate); 518 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 519 if (phystatus) { 520 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 521 stats->rx_bufshift); 522 _rtl92de_translate_rx_signal_stuff(hw, 523 skb, stats, pdesc, 524 p_drvinfo); 525 } 526 /*rx_status->qual = stats->signal; */ 527 rx_status->signal = stats->recvsignalpower + 10; 528 return true; 529} 530 531static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 532 u8 *virtualaddress) 533{ 534 memset(virtualaddress, 0, 8); 535 536 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); 537 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]); 538 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]); 539 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 540 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 541 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]); 542 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]); 543} 544 545void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 546 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 547 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 548 struct ieee80211_sta *sta, 549 struct sk_buff *skb, 550 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 551{ 552 struct rtl_priv *rtlpriv = rtl_priv(hw); 553 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 554 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 555 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 556 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 557 u8 *pdesc = pdesc_tx; 558 u16 seq_number; 559 __le16 fc = hdr->frame_control; 560 unsigned int buf_len = 0; 561 unsigned int skb_len = skb->len; 562 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 563 bool firstseg = ((hdr->seq_ctrl & 564 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 565 bool lastseg = ((hdr->frame_control & 566 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 567 dma_addr_t mapping; 568 u8 bw_40 = 0; 569 570 if (mac->opmode == NL80211_IFTYPE_STATION) { 571 bw_40 = mac->bw_40; 572 } else if (mac->opmode == NL80211_IFTYPE_AP || 573 mac->opmode == NL80211_IFTYPE_ADHOC) { 574 if (sta) 575 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; 576 } 577 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 578 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 579 /* reserve 8 byte for AMPDU early mode */ 580 if (rtlhal->earlymode_enable) { 581 skb_push(skb, EM_HDR_LEN); 582 memset(skb->data, 0, EM_HDR_LEN); 583 } 584 buf_len = skb->len; 585 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 586 PCI_DMA_TODEVICE); 587 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 588 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 589 "DMA mapping error"); 590 return; 591 } 592 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d)); 593 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 594 firstseg = true; 595 lastseg = true; 596 } 597 if (firstseg) { 598 if (rtlhal->earlymode_enable) { 599 SET_TX_DESC_PKT_OFFSET(pdesc, 1); 600 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + 601 EM_HDR_LEN); 602 if (ptcb_desc->empkt_num) { 603 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 604 "Insert 8 byte.pTcb->EMPktNum:%d\n", 605 ptcb_desc->empkt_num); 606 _rtl92de_insert_emcontent(ptcb_desc, 607 (u8 *)(skb->data)); 608 } 609 } else { 610 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 611 } 612 /* 5G have no CCK rate */ 613 if (rtlhal->current_bandtype == BAND_ON_5G) 614 if (ptcb_desc->hw_rate < DESC_RATE6M) 615 ptcb_desc->hw_rate = DESC_RATE6M; 616 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); 617 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 618 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 619 620 if (rtlhal->macphymode == DUALMAC_DUALPHY && 621 ptcb_desc->hw_rate == DESC_RATEMCS7) 622 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 623 624 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 625 SET_TX_DESC_AGG_ENABLE(pdesc, 1); 626 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); 627 } 628 SET_TX_DESC_SEQ(pdesc, seq_number); 629 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && 630 !ptcb_desc->cts_enable) ? 1 : 0)); 631 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable 632 || ptcb_desc->cts_enable) ? 1 : 0)); 633 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 634 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 635 /* 5G have no CCK rate */ 636 if (rtlhal->current_bandtype == BAND_ON_5G) 637 if (ptcb_desc->rts_rate < DESC_RATE6M) 638 ptcb_desc->rts_rate = DESC_RATE6M; 639 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); 640 SET_TX_DESC_RTS_BW(pdesc, 0); 641 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); 642 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= 643 DESC_RATE54M) ? 644 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 645 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 646 if (bw_40) { 647 if (ptcb_desc->packet_bw) { 648 SET_TX_DESC_DATA_BW(pdesc, 1); 649 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); 650 } else { 651 SET_TX_DESC_DATA_BW(pdesc, 0); 652 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 653 mac->cur_40_prime_sc); 654 } 655 } else { 656 SET_TX_DESC_DATA_BW(pdesc, 0); 657 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); 658 } 659 SET_TX_DESC_LINIP(pdesc, 0); 660 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len); 661 if (sta) { 662 u8 ampdu_density = sta->ht_cap.ampdu_density; 663 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 664 } 665 if (info->control.hw_key) { 666 struct ieee80211_key_conf *keyconf; 667 668 keyconf = info->control.hw_key; 669 switch (keyconf->cipher) { 670 case WLAN_CIPHER_SUITE_WEP40: 671 case WLAN_CIPHER_SUITE_WEP104: 672 case WLAN_CIPHER_SUITE_TKIP: 673 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 674 break; 675 case WLAN_CIPHER_SUITE_CCMP: 676 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 677 break; 678 default: 679 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 680 break; 681 682 } 683 } 684 SET_TX_DESC_PKT_ID(pdesc, 0); 685 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 686 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 687 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 688 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 689 1 : 0); 690 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 691 692 /* Set TxRate and RTSRate in TxDesc */ 693 /* This prevent Tx initial rate of new-coming packets */ 694 /* from being overwritten by retried packet rate.*/ 695 if (!ptcb_desc->use_driver_rate) { 696 SET_TX_DESC_RTS_RATE(pdesc, 0x08); 697 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ 698 } 699 if (ieee80211_is_data_qos(fc)) { 700 if (mac->rdg_en) { 701 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 702 "Enable RDG function\n"); 703 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 704 SET_TX_DESC_HTC(pdesc, 1); 705 } 706 } 707 } 708 709 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 710 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 711 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len); 712 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 713 if (rtlpriv->dm.useramask) { 714 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); 715 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); 716 } else { 717 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); 718 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index); 719 } 720 if (ieee80211_is_data_qos(fc)) 721 SET_TX_DESC_QOS(pdesc, 1); 722 723 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 724 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 725 SET_TX_DESC_PKT_ID(pdesc, 8); 726 } 727 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 728 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 729} 730 731void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 732 u8 *pdesc, bool firstseg, 733 bool lastseg, struct sk_buff *skb) 734{ 735 struct rtl_priv *rtlpriv = rtl_priv(hw); 736 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 737 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 738 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 739 u8 fw_queue = QSLT_BEACON; 740 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 741 skb->data, skb->len, PCI_DMA_TODEVICE); 742 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 743 __le16 fc = hdr->frame_control; 744 745 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 746 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 747 "DMA mapping error"); 748 return; 749 } 750 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); 751 if (firstseg) 752 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 753 /* 5G have no CCK rate 754 * Caution: The macros below are multi-line expansions. 755 * The braces are needed no matter what checkpatch says 756 */ 757 if (rtlhal->current_bandtype == BAND_ON_5G) { 758 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M); 759 } else { 760 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 761 } 762 SET_TX_DESC_SEQ(pdesc, 0); 763 SET_TX_DESC_LINIP(pdesc, 0); 764 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 765 SET_TX_DESC_FIRST_SEG(pdesc, 1); 766 SET_TX_DESC_LAST_SEG(pdesc, 1); 767 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len); 768 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 769 SET_TX_DESC_RATE_ID(pdesc, 7); 770 SET_TX_DESC_MACID(pdesc, 0); 771 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len)); 772 SET_TX_DESC_FIRST_SEG(pdesc, 1); 773 SET_TX_DESC_LAST_SEG(pdesc, 1); 774 SET_TX_DESC_OFFSET(pdesc, 0x20); 775 SET_TX_DESC_USE_RATE(pdesc, 1); 776 777 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 778 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 779 SET_TX_DESC_PKT_ID(pdesc, 8); 780 } 781 782 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 783 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 784 wmb(); 785 SET_TX_DESC_OWN(pdesc, 1); 786} 787 788void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, 789 u8 desc_name, u8 *val) 790{ 791 if (istx) { 792 switch (desc_name) { 793 case HW_DESC_OWN: 794 wmb(); 795 SET_TX_DESC_OWN(pdesc, 1); 796 break; 797 case HW_DESC_TX_NEXTDESC_ADDR: 798 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); 799 break; 800 default: 801 RT_ASSERT(false, "ERR txdesc :%d not process\n", 802 desc_name); 803 break; 804 } 805 } else { 806 switch (desc_name) { 807 case HW_DESC_RXOWN: 808 wmb(); 809 SET_RX_DESC_OWN(pdesc, 1); 810 break; 811 case HW_DESC_RXBUFF_ADDR: 812 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); 813 break; 814 case HW_DESC_RXPKT_LEN: 815 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); 816 break; 817 case HW_DESC_RXERO: 818 SET_RX_DESC_EOR(pdesc, 1); 819 break; 820 default: 821 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 822 desc_name); 823 break; 824 } 825 } 826} 827 828u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name) 829{ 830 u32 ret = 0; 831 832 if (istx) { 833 switch (desc_name) { 834 case HW_DESC_OWN: 835 ret = GET_TX_DESC_OWN(p_desc); 836 break; 837 case HW_DESC_TXBUFF_ADDR: 838 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); 839 break; 840 default: 841 RT_ASSERT(false, "ERR txdesc :%d not process\n", 842 desc_name); 843 break; 844 } 845 } else { 846 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 847 switch (desc_name) { 848 case HW_DESC_OWN: 849 ret = GET_RX_DESC_OWN(pdesc); 850 break; 851 case HW_DESC_RXPKT_LEN: 852 ret = GET_RX_DESC_PKT_LEN(pdesc); 853 break; 854 default: 855 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 856 desc_name); 857 break; 858 } 859 } 860 return ret; 861} 862 863void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 864{ 865 struct rtl_priv *rtlpriv = rtl_priv(hw); 866 if (hw_queue == BEACON_QUEUE) 867 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 868 else 869 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 870 BIT(0) << (hw_queue)); 871} 872