1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../pci.h" 6 #include "../base.h" 7 #include "../stats.h" 8 #include "reg.h" 9 #include "def.h" 10 #include "phy.h" 11 #include "trx.h" 12 #include "led.h" 13 14 static u8 _rtl92de_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 15 { 16 __le16 fc = rtl_get_fc(skb); 17 18 if (unlikely(ieee80211_is_beacon(fc))) 19 return QSLT_BEACON; 20 if (ieee80211_is_mgmt(fc)) 21 return QSLT_MGNT; 22 23 return skb->priority; 24 } 25 26 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw, 27 u8 signal_strength_index) 28 { 29 long signal_power; 30 31 signal_power = (long)((signal_strength_index + 1) >> 1); 32 signal_power -= 95; 33 return signal_power; 34 } 35 36 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, 37 struct rtl_stats *pstats, 38 struct rx_desc_92d *pdesc, 39 struct rx_fwinfo_92d *p_drvinfo, 40 bool packet_match_bssid, 41 bool packet_toself, 42 bool packet_beacon) 43 { 44 struct rtl_priv *rtlpriv = rtl_priv(hw); 45 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 46 struct phy_sts_cck_8192d *cck_buf; 47 s8 rx_pwr_all, rx_pwr[4]; 48 u8 rf_rx_num = 0, evm, pwdb_all; 49 u8 i, max_spatial_stream; 50 u32 rssi, total_rssi = 0; 51 bool is_cck_rate; 52 53 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); 54 pstats->packet_matchbssid = packet_match_bssid; 55 pstats->packet_toself = packet_toself; 56 pstats->packet_beacon = packet_beacon; 57 pstats->is_cck = is_cck_rate; 58 pstats->rx_mimo_sig_qual[0] = -1; 59 pstats->rx_mimo_sig_qual[1] = -1; 60 61 if (is_cck_rate) { 62 u8 report, cck_highpwr; 63 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; 64 if (ppsc->rfpwr_state == ERFON) 65 cck_highpwr = (u8) rtl_get_bbreg(hw, 66 RFPGA0_XA_HSSIPARAMETER2, 67 BIT(9)); 68 else 69 cck_highpwr = false; 70 if (!cck_highpwr) { 71 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 72 report = cck_buf->cck_agc_rpt & 0xc0; 73 report = report >> 6; 74 switch (report) { 75 case 0x3: 76 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 77 break; 78 case 0x2: 79 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 80 break; 81 case 0x1: 82 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 83 break; 84 case 0x0: 85 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 86 break; 87 } 88 } else { 89 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 90 report = p_drvinfo->cfosho[0] & 0x60; 91 report = report >> 5; 92 switch (report) { 93 case 0x3: 94 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 95 break; 96 case 0x2: 97 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 98 break; 99 case 0x1: 100 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 101 break; 102 case 0x0: 103 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 104 break; 105 } 106 } 107 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 108 /* CCK gain is smaller than OFDM/MCS gain, */ 109 /* so we add gain diff by experiences, the val is 6 */ 110 pwdb_all += 6; 111 if (pwdb_all > 100) 112 pwdb_all = 100; 113 /* modify the offset to make the same gain index with OFDM. */ 114 if (pwdb_all > 34 && pwdb_all <= 42) 115 pwdb_all -= 2; 116 else if (pwdb_all > 26 && pwdb_all <= 34) 117 pwdb_all -= 6; 118 else if (pwdb_all > 14 && pwdb_all <= 26) 119 pwdb_all -= 8; 120 else if (pwdb_all > 4 && pwdb_all <= 14) 121 pwdb_all -= 4; 122 pstats->rx_pwdb_all = pwdb_all; 123 pstats->recvsignalpower = rx_pwr_all; 124 if (packet_match_bssid) { 125 u8 sq; 126 if (pstats->rx_pwdb_all > 40) { 127 sq = 100; 128 } else { 129 sq = cck_buf->sq_rpt; 130 if (sq > 64) 131 sq = 0; 132 else if (sq < 20) 133 sq = 100; 134 else 135 sq = ((64 - sq) * 100) / 44; 136 } 137 pstats->signalquality = sq; 138 pstats->rx_mimo_sig_qual[0] = sq; 139 pstats->rx_mimo_sig_qual[1] = -1; 140 } 141 } else { 142 rtlpriv->dm.rfpath_rxenable[0] = true; 143 rtlpriv->dm.rfpath_rxenable[1] = true; 144 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 145 if (rtlpriv->dm.rfpath_rxenable[i]) 146 rf_rx_num++; 147 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) 148 - 110; 149 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 150 total_rssi += rssi; 151 rtlpriv->stats.rx_snr_db[i] = 152 (long)(p_drvinfo->rxsnr[i] / 2); 153 if (packet_match_bssid) 154 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 155 } 156 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; 157 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 158 pstats->rx_pwdb_all = pwdb_all; 159 pstats->rxpower = rx_pwr_all; 160 pstats->recvsignalpower = rx_pwr_all; 161 if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 && 162 pdesc->rxmcs <= DESC_RATEMCS15) 163 max_spatial_stream = 2; 164 else 165 max_spatial_stream = 1; 166 for (i = 0; i < max_spatial_stream; i++) { 167 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); 168 if (packet_match_bssid) { 169 if (i == 0) 170 pstats->signalquality = 171 (u8)(evm & 0xff); 172 pstats->rx_mimo_sig_qual[i] = 173 (u8)(evm & 0xff); 174 } 175 } 176 } 177 if (is_cck_rate) 178 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 179 pwdb_all)); 180 else if (rf_rx_num != 0) 181 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 182 total_rssi /= rf_rx_num)); 183 } 184 185 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, 186 struct rtl_stats *pstats) 187 { 188 struct rtl_priv *rtlpriv = rtl_priv(hw); 189 struct rtl_phy *rtlphy = &(rtlpriv->phy); 190 u8 rfpath; 191 192 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 193 rfpath++) { 194 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 195 rtlpriv->stats.rx_rssi_percentage[rfpath] = 196 pstats->rx_mimo_signalstrength[rfpath]; 197 198 } 199 if (pstats->rx_mimo_signalstrength[rfpath] > 200 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 201 rtlpriv->stats.rx_rssi_percentage[rfpath] = 202 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 203 (RX_SMOOTH_FACTOR - 1)) + 204 (pstats->rx_mimo_signalstrength[rfpath])) / 205 (RX_SMOOTH_FACTOR); 206 rtlpriv->stats.rx_rssi_percentage[rfpath] = 207 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; 208 } else { 209 rtlpriv->stats.rx_rssi_percentage[rfpath] = 210 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 211 (RX_SMOOTH_FACTOR - 1)) + 212 (pstats->rx_mimo_signalstrength[rfpath])) / 213 (RX_SMOOTH_FACTOR); 214 } 215 } 216 } 217 218 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, 219 struct rtl_stats *pstats) 220 { 221 struct rtl_priv *rtlpriv = rtl_priv(hw); 222 u32 last_rssi, tmpval; 223 224 if (pstats->packet_toself || pstats->packet_beacon) { 225 rtlpriv->stats.rssi_calculate_cnt++; 226 if (rtlpriv->stats.ui_rssi.total_num++ >= 227 PHY_RSSI_SLID_WIN_MAX) { 228 rtlpriv->stats.ui_rssi.total_num = 229 PHY_RSSI_SLID_WIN_MAX; 230 last_rssi = rtlpriv->stats.ui_rssi.elements[ 231 rtlpriv->stats.ui_rssi.index]; 232 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 233 } 234 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 235 rtlpriv->stats.ui_rssi.elements 236 [rtlpriv->stats.ui_rssi.index++] = 237 pstats->signalstrength; 238 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 239 rtlpriv->stats.ui_rssi.index = 0; 240 tmpval = rtlpriv->stats.ui_rssi.total_val / 241 rtlpriv->stats.ui_rssi.total_num; 242 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, 243 (u8) tmpval); 244 pstats->rssi = rtlpriv->stats.signal_strength; 245 } 246 if (!pstats->is_cck && pstats->packet_toself) 247 rtl92d_loop_over_paths(hw, pstats); 248 } 249 250 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, 251 struct rtl_stats *pstats) 252 { 253 struct rtl_priv *rtlpriv = rtl_priv(hw); 254 int weighting = 0; 255 256 if (rtlpriv->stats.recv_signal_power == 0) 257 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 258 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 259 weighting = 5; 260 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 261 weighting = (-5); 262 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 263 5 + pstats->recvsignalpower + weighting) / 6; 264 } 265 266 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, 267 struct rtl_stats *pstats) 268 { 269 struct rtl_priv *rtlpriv = rtl_priv(hw); 270 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 271 long undec_sm_pwdb; 272 273 if (mac->opmode == NL80211_IFTYPE_ADHOC || 274 mac->opmode == NL80211_IFTYPE_AP) 275 return; 276 else 277 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 278 279 if (pstats->packet_toself || pstats->packet_beacon) { 280 if (undec_sm_pwdb < 0) 281 undec_sm_pwdb = pstats->rx_pwdb_all; 282 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { 283 undec_sm_pwdb = (((undec_sm_pwdb) * 284 (RX_SMOOTH_FACTOR - 1)) + 285 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 286 undec_sm_pwdb = undec_sm_pwdb + 1; 287 } else { 288 undec_sm_pwdb = (((undec_sm_pwdb) * 289 (RX_SMOOTH_FACTOR - 1)) + 290 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 291 } 292 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; 293 _rtl92de_update_rxsignalstatistics(hw, pstats); 294 } 295 } 296 297 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 298 struct rtl_stats *pstats) 299 { 300 struct rtl_priv *rtlpriv = rtl_priv(hw); 301 int stream; 302 303 for (stream = 0; stream < 2; stream++) { 304 if (pstats->rx_mimo_sig_qual[stream] != -1) { 305 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 306 rtlpriv->stats.rx_evm_percentage[stream] = 307 pstats->rx_mimo_sig_qual[stream]; 308 } 309 rtlpriv->stats.rx_evm_percentage[stream] = 310 ((rtlpriv->stats.rx_evm_percentage[stream] 311 * (RX_SMOOTH_FACTOR - 1)) + 312 (pstats->rx_mimo_sig_qual[stream] * 1)) / 313 (RX_SMOOTH_FACTOR); 314 } 315 } 316 } 317 318 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 319 struct rtl_stats *pstats) 320 { 321 struct rtl_priv *rtlpriv = rtl_priv(hw); 322 u32 last_evm, tmpval; 323 324 if (pstats->signalquality == 0) 325 return; 326 if (pstats->packet_toself || pstats->packet_beacon) { 327 if (rtlpriv->stats.ui_link_quality.total_num++ >= 328 PHY_LINKQUALITY_SLID_WIN_MAX) { 329 rtlpriv->stats.ui_link_quality.total_num = 330 PHY_LINKQUALITY_SLID_WIN_MAX; 331 last_evm = rtlpriv->stats.ui_link_quality.elements[ 332 rtlpriv->stats.ui_link_quality.index]; 333 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 334 } 335 rtlpriv->stats.ui_link_quality.total_val += 336 pstats->signalquality; 337 rtlpriv->stats.ui_link_quality.elements[ 338 rtlpriv->stats.ui_link_quality.index++] = 339 pstats->signalquality; 340 if (rtlpriv->stats.ui_link_quality.index >= 341 PHY_LINKQUALITY_SLID_WIN_MAX) 342 rtlpriv->stats.ui_link_quality.index = 0; 343 tmpval = rtlpriv->stats.ui_link_quality.total_val / 344 rtlpriv->stats.ui_link_quality.total_num; 345 rtlpriv->stats.signal_quality = tmpval; 346 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 347 rtl92d_loop_over_streams(hw, pstats); 348 } 349 } 350 351 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 352 u8 *buffer, 353 struct rtl_stats *pcurrent_stats) 354 { 355 356 if (!pcurrent_stats->packet_matchbssid && 357 !pcurrent_stats->packet_beacon) 358 return; 359 360 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 361 _rtl92de_process_pwdb(hw, pcurrent_stats); 362 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 363 } 364 365 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 366 struct sk_buff *skb, 367 struct rtl_stats *pstats, 368 struct rx_desc_92d *pdesc, 369 struct rx_fwinfo_92d *p_drvinfo) 370 { 371 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 372 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 373 struct ieee80211_hdr *hdr; 374 u8 *tmp_buf; 375 u8 *praddr; 376 u16 type, cfc; 377 __le16 fc; 378 bool packet_matchbssid, packet_toself, packet_beacon = false; 379 380 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 381 hdr = (struct ieee80211_hdr *)tmp_buf; 382 fc = hdr->frame_control; 383 cfc = le16_to_cpu(fc); 384 type = WLAN_FC_GET_TYPE(fc); 385 praddr = hdr->addr1; 386 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 387 ether_addr_equal(mac->bssid, 388 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 389 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 390 hdr->addr3) && 391 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 392 packet_toself = packet_matchbssid && 393 ether_addr_equal(praddr, rtlefuse->dev_addr); 394 if (ieee80211_is_beacon(fc)) 395 packet_beacon = true; 396 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 397 packet_matchbssid, packet_toself, 398 packet_beacon); 399 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 400 } 401 402 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 403 struct ieee80211_rx_status *rx_status, 404 u8 *pdesc8, struct sk_buff *skb) 405 { 406 __le32 *pdesc = (__le32 *)pdesc8; 407 struct rx_fwinfo_92d *p_drvinfo; 408 u32 phystatus = get_rx_desc_physt(pdesc); 409 410 stats->length = (u16)get_rx_desc_pkt_len(pdesc); 411 stats->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 412 RX_DRV_INFO_SIZE_UNIT; 413 stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 414 stats->icv = (u16)get_rx_desc_icv(pdesc); 415 stats->crc = (u16)get_rx_desc_crc32(pdesc); 416 stats->hwerror = (stats->crc | stats->icv); 417 stats->decrypted = !get_rx_desc_swdec(pdesc); 418 stats->rate = (u8)get_rx_desc_rxmcs(pdesc); 419 stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 420 stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 421 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && 422 (get_rx_desc_faggr(pdesc) == 1)); 423 stats->timestamp_low = get_rx_desc_tsfl(pdesc); 424 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 425 stats->is_ht = (bool)get_rx_desc_rxht(pdesc); 426 rx_status->freq = hw->conf.chandef.chan->center_freq; 427 rx_status->band = hw->conf.chandef.chan->band; 428 if (get_rx_desc_crc32(pdesc)) 429 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 430 if (!get_rx_desc_swdec(pdesc)) 431 rx_status->flag |= RX_FLAG_DECRYPTED; 432 if (get_rx_desc_bw(pdesc)) 433 rx_status->bw = RATE_INFO_BW_40; 434 if (get_rx_desc_rxht(pdesc)) 435 rx_status->encoding = RX_ENC_HT; 436 rx_status->flag |= RX_FLAG_MACTIME_START; 437 if (stats->decrypted) 438 rx_status->flag |= RX_FLAG_DECRYPTED; 439 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 440 false, stats->rate); 441 rx_status->mactime = get_rx_desc_tsfl(pdesc); 442 if (phystatus) { 443 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 444 stats->rx_bufshift); 445 _rtl92de_translate_rx_signal_stuff(hw, 446 skb, stats, 447 (struct rx_desc_92d *)pdesc, 448 p_drvinfo); 449 } 450 /*rx_status->qual = stats->signal; */ 451 rx_status->signal = stats->recvsignalpower + 10; 452 return true; 453 } 454 455 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 456 u8 *virtualaddress8) 457 { 458 __le32 *virtualaddress = (__le32 *)virtualaddress8; 459 460 memset(virtualaddress, 0, 8); 461 462 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 463 set_earlymode_len0(virtualaddress, ptcb_desc->empkt_len[0]); 464 set_earlymode_len1(virtualaddress, ptcb_desc->empkt_len[1]); 465 set_earlymode_len2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 466 set_earlymode_len2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 467 set_earlymode_len3(virtualaddress, ptcb_desc->empkt_len[3]); 468 set_earlymode_len4(virtualaddress, ptcb_desc->empkt_len[4]); 469 } 470 471 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 472 struct ieee80211_hdr *hdr, u8 *pdesc8, 473 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 474 struct ieee80211_sta *sta, 475 struct sk_buff *skb, 476 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 477 { 478 struct rtl_priv *rtlpriv = rtl_priv(hw); 479 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 480 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 481 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 482 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 483 __le32 *pdesc = (__le32 *)pdesc8; 484 u16 seq_number; 485 __le16 fc = hdr->frame_control; 486 unsigned int buf_len = 0; 487 unsigned int skb_len = skb->len; 488 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 489 bool firstseg = ((hdr->seq_ctrl & 490 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 491 bool lastseg = ((hdr->frame_control & 492 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 493 dma_addr_t mapping; 494 u8 bw_40 = 0; 495 496 if (mac->opmode == NL80211_IFTYPE_STATION) { 497 bw_40 = mac->bw_40; 498 } else if (mac->opmode == NL80211_IFTYPE_AP || 499 mac->opmode == NL80211_IFTYPE_ADHOC) { 500 if (sta) 501 bw_40 = sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40; 502 } 503 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 504 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 505 /* reserve 8 byte for AMPDU early mode */ 506 if (rtlhal->earlymode_enable) { 507 skb_push(skb, EM_HDR_LEN); 508 memset(skb->data, 0, EM_HDR_LEN); 509 } 510 buf_len = skb->len; 511 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len, 512 DMA_TO_DEVICE); 513 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 514 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 515 "DMA mapping error\n"); 516 return; 517 } 518 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_92d)); 519 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 520 firstseg = true; 521 lastseg = true; 522 } 523 if (firstseg) { 524 if (rtlhal->earlymode_enable) { 525 set_tx_desc_pkt_offset(pdesc, 1); 526 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 527 EM_HDR_LEN); 528 if (ptcb_desc->empkt_num) { 529 rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD, 530 "Insert 8 byte.pTcb->EMPktNum:%d\n", 531 ptcb_desc->empkt_num); 532 _rtl92de_insert_emcontent(ptcb_desc, 533 (u8 *)(skb->data)); 534 } 535 } else { 536 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 537 } 538 /* 5G have no CCK rate */ 539 if (rtlhal->current_bandtype == BAND_ON_5G) 540 if (ptcb_desc->hw_rate < DESC_RATE6M) 541 ptcb_desc->hw_rate = DESC_RATE6M; 542 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 543 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 544 set_tx_desc_data_shortgi(pdesc, 1); 545 546 if (rtlhal->macphymode == DUALMAC_DUALPHY && 547 ptcb_desc->hw_rate == DESC_RATEMCS7) 548 set_tx_desc_data_shortgi(pdesc, 1); 549 550 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 551 set_tx_desc_agg_enable(pdesc, 1); 552 set_tx_desc_max_agg_num(pdesc, 0x14); 553 } 554 set_tx_desc_seq(pdesc, seq_number); 555 set_tx_desc_rts_enable(pdesc, 556 ((ptcb_desc->rts_enable && 557 !ptcb_desc->cts_enable) ? 1 : 0)); 558 set_tx_desc_hw_rts_enable(pdesc, ((ptcb_desc->rts_enable 559 || ptcb_desc->cts_enable) ? 1 : 0)); 560 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 561 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 562 /* 5G have no CCK rate */ 563 if (rtlhal->current_bandtype == BAND_ON_5G) 564 if (ptcb_desc->rts_rate < DESC_RATE6M) 565 ptcb_desc->rts_rate = DESC_RATE6M; 566 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 567 set_tx_desc_rts_bw(pdesc, 0); 568 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 569 set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <= 570 DESC_RATE54M) ? 571 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 572 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 573 if (bw_40) { 574 if (ptcb_desc->packet_bw) { 575 set_tx_desc_data_bw(pdesc, 1); 576 set_tx_desc_tx_sub_carrier(pdesc, 3); 577 } else { 578 set_tx_desc_data_bw(pdesc, 0); 579 set_tx_desc_tx_sub_carrier(pdesc, 580 mac->cur_40_prime_sc); 581 } 582 } else { 583 set_tx_desc_data_bw(pdesc, 0); 584 set_tx_desc_tx_sub_carrier(pdesc, 0); 585 } 586 set_tx_desc_linip(pdesc, 0); 587 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 588 if (sta) { 589 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density; 590 set_tx_desc_ampdu_density(pdesc, ampdu_density); 591 } 592 if (info->control.hw_key) { 593 struct ieee80211_key_conf *keyconf; 594 595 keyconf = info->control.hw_key; 596 switch (keyconf->cipher) { 597 case WLAN_CIPHER_SUITE_WEP40: 598 case WLAN_CIPHER_SUITE_WEP104: 599 case WLAN_CIPHER_SUITE_TKIP: 600 set_tx_desc_sec_type(pdesc, 0x1); 601 break; 602 case WLAN_CIPHER_SUITE_CCMP: 603 set_tx_desc_sec_type(pdesc, 0x3); 604 break; 605 default: 606 set_tx_desc_sec_type(pdesc, 0x0); 607 break; 608 609 } 610 } 611 set_tx_desc_pkt_id(pdesc, 0); 612 set_tx_desc_queue_sel(pdesc, fw_qsel); 613 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 614 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 615 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 616 1 : 0); 617 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 618 619 /* Set TxRate and RTSRate in TxDesc */ 620 /* This prevent Tx initial rate of new-coming packets */ 621 /* from being overwritten by retried packet rate.*/ 622 if (!ptcb_desc->use_driver_rate) { 623 set_tx_desc_rts_rate(pdesc, 0x08); 624 /* set_tx_desc_tx_rate(pdesc, 0x0b); */ 625 } 626 if (ieee80211_is_data_qos(fc)) { 627 if (mac->rdg_en) { 628 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 629 "Enable RDG function\n"); 630 set_tx_desc_rdg_enable(pdesc, 1); 631 set_tx_desc_htc(pdesc, 1); 632 } 633 } 634 } 635 636 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 637 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 638 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len); 639 set_tx_desc_tx_buffer_address(pdesc, mapping); 640 if (rtlpriv->dm.useramask) { 641 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 642 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 643 } else { 644 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 645 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index); 646 } 647 if (ieee80211_is_data_qos(fc)) 648 set_tx_desc_qos(pdesc, 1); 649 650 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 651 set_tx_desc_hwseq_en(pdesc, 1); 652 set_tx_desc_pkt_id(pdesc, 8); 653 } 654 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 655 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 656 } 657 658 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 659 u8 *pdesc8, bool firstseg, 660 bool lastseg, struct sk_buff *skb) 661 { 662 struct rtl_priv *rtlpriv = rtl_priv(hw); 663 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 664 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 665 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 666 u8 fw_queue = QSLT_BEACON; 667 668 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 669 __le16 fc = hdr->frame_control; 670 __le32 *pdesc = (__le32 *)pdesc8; 671 672 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 673 skb->len, DMA_TO_DEVICE); 674 675 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 676 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 677 "DMA mapping error\n"); 678 return; 679 } 680 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 681 if (firstseg) 682 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 683 /* 5G have no CCK rate 684 * Caution: The macros below are multi-line expansions. 685 * The braces are needed no matter what checkpatch says 686 */ 687 if (rtlhal->current_bandtype == BAND_ON_5G) { 688 set_tx_desc_tx_rate(pdesc, DESC_RATE6M); 689 } else { 690 set_tx_desc_tx_rate(pdesc, DESC_RATE1M); 691 } 692 set_tx_desc_seq(pdesc, 0); 693 set_tx_desc_linip(pdesc, 0); 694 set_tx_desc_queue_sel(pdesc, fw_queue); 695 set_tx_desc_first_seg(pdesc, 1); 696 set_tx_desc_last_seg(pdesc, 1); 697 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len); 698 set_tx_desc_tx_buffer_address(pdesc, mapping); 699 set_tx_desc_rate_id(pdesc, 7); 700 set_tx_desc_macid(pdesc, 0); 701 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 702 set_tx_desc_first_seg(pdesc, 1); 703 set_tx_desc_last_seg(pdesc, 1); 704 set_tx_desc_offset(pdesc, 0x20); 705 set_tx_desc_use_rate(pdesc, 1); 706 707 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 708 set_tx_desc_hwseq_en(pdesc, 1); 709 set_tx_desc_pkt_id(pdesc, 8); 710 } 711 712 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 713 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 714 wmb(); 715 set_tx_desc_own(pdesc, 1); 716 } 717 718 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx, 719 u8 desc_name, u8 *val) 720 { 721 __le32 *pdesc = (__le32 *)pdesc8; 722 723 if (istx) { 724 switch (desc_name) { 725 case HW_DESC_OWN: 726 wmb(); 727 set_tx_desc_own(pdesc, 1); 728 break; 729 case HW_DESC_TX_NEXTDESC_ADDR: 730 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 731 break; 732 default: 733 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 734 desc_name); 735 break; 736 } 737 } else { 738 switch (desc_name) { 739 case HW_DESC_RXOWN: 740 wmb(); 741 set_rx_desc_own(pdesc, 1); 742 break; 743 case HW_DESC_RXBUFF_ADDR: 744 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 745 break; 746 case HW_DESC_RXPKT_LEN: 747 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 748 break; 749 case HW_DESC_RXERO: 750 set_rx_desc_eor(pdesc, 1); 751 break; 752 default: 753 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 754 desc_name); 755 break; 756 } 757 } 758 } 759 760 u64 rtl92de_get_desc(struct ieee80211_hw *hw, 761 u8 *p_desc8, bool istx, u8 desc_name) 762 { 763 __le32 *p_desc = (__le32 *)p_desc8; 764 u32 ret = 0; 765 766 if (istx) { 767 switch (desc_name) { 768 case HW_DESC_OWN: 769 ret = get_tx_desc_own(p_desc); 770 break; 771 case HW_DESC_TXBUFF_ADDR: 772 ret = get_tx_desc_tx_buffer_address(p_desc); 773 break; 774 default: 775 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 776 desc_name); 777 break; 778 } 779 } else { 780 switch (desc_name) { 781 case HW_DESC_OWN: 782 ret = get_rx_desc_own(p_desc); 783 break; 784 case HW_DESC_RXPKT_LEN: 785 ret = get_rx_desc_pkt_len(p_desc); 786 break; 787 case HW_DESC_RXBUFF_ADDR: 788 ret = get_rx_desc_buff_addr(p_desc); 789 break; 790 default: 791 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 792 desc_name); 793 break; 794 } 795 } 796 return ret; 797 } 798 799 bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw, 800 u8 hw_queue, u16 index) 801 { 802 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 803 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 804 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 805 u8 own = (u8)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN); 806 807 /* a beacon packet will only use the first 808 * descriptor by defaut, and the own bit may not 809 * be cleared by the hardware 810 */ 811 if (own) 812 return false; 813 return true; 814 } 815 816 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 817 { 818 struct rtl_priv *rtlpriv = rtl_priv(hw); 819 if (hw_queue == BEACON_QUEUE) 820 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 821 else 822 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 823 BIT(0) << (hw_queue)); 824 } 825