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 __le32 *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 u8 rxmcs; 53 54 rxmcs = get_rx_desc_rxmcs(pdesc); 55 is_cck_rate = rxmcs <= DESC_RATE11M; 56 pstats->packet_matchbssid = packet_match_bssid; 57 pstats->packet_toself = packet_toself; 58 pstats->packet_beacon = packet_beacon; 59 pstats->is_cck = is_cck_rate; 60 pstats->rx_mimo_sig_qual[0] = -1; 61 pstats->rx_mimo_sig_qual[1] = -1; 62 63 if (is_cck_rate) { 64 u8 report, cck_highpwr; 65 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; 66 if (ppsc->rfpwr_state == ERFON) 67 cck_highpwr = (u8) rtl_get_bbreg(hw, 68 RFPGA0_XA_HSSIPARAMETER2, 69 BIT(9)); 70 else 71 cck_highpwr = false; 72 if (!cck_highpwr) { 73 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 74 report = cck_buf->cck_agc_rpt & 0xc0; 75 report = report >> 6; 76 switch (report) { 77 case 0x3: 78 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 79 break; 80 case 0x2: 81 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 82 break; 83 case 0x1: 84 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 85 break; 86 case 0x0: 87 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 88 break; 89 } 90 } else { 91 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 92 report = p_drvinfo->cfosho[0] & 0x60; 93 report = report >> 5; 94 switch (report) { 95 case 0x3: 96 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 97 break; 98 case 0x2: 99 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 100 break; 101 case 0x1: 102 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 103 break; 104 case 0x0: 105 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 106 break; 107 } 108 } 109 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 110 /* CCK gain is smaller than OFDM/MCS gain, */ 111 /* so we add gain diff by experiences, the val is 6 */ 112 pwdb_all += 6; 113 if (pwdb_all > 100) 114 pwdb_all = 100; 115 /* modify the offset to make the same gain index with OFDM. */ 116 if (pwdb_all > 34 && pwdb_all <= 42) 117 pwdb_all -= 2; 118 else if (pwdb_all > 26 && pwdb_all <= 34) 119 pwdb_all -= 6; 120 else if (pwdb_all > 14 && pwdb_all <= 26) 121 pwdb_all -= 8; 122 else if (pwdb_all > 4 && pwdb_all <= 14) 123 pwdb_all -= 4; 124 pstats->rx_pwdb_all = pwdb_all; 125 pstats->recvsignalpower = rx_pwr_all; 126 if (packet_match_bssid) { 127 u8 sq; 128 if (pstats->rx_pwdb_all > 40) { 129 sq = 100; 130 } else { 131 sq = cck_buf->sq_rpt; 132 if (sq > 64) 133 sq = 0; 134 else if (sq < 20) 135 sq = 100; 136 else 137 sq = ((64 - sq) * 100) / 44; 138 } 139 pstats->signalquality = sq; 140 pstats->rx_mimo_sig_qual[0] = sq; 141 pstats->rx_mimo_sig_qual[1] = -1; 142 } 143 } else { 144 rtlpriv->dm.rfpath_rxenable[0] = true; 145 rtlpriv->dm.rfpath_rxenable[1] = true; 146 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 147 if (rtlpriv->dm.rfpath_rxenable[i]) 148 rf_rx_num++; 149 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) 150 - 110; 151 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 152 total_rssi += rssi; 153 rtlpriv->stats.rx_snr_db[i] = 154 (long)(p_drvinfo->rxsnr[i] / 2); 155 if (packet_match_bssid) 156 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 157 } 158 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106; 159 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 160 pstats->rx_pwdb_all = pwdb_all; 161 pstats->rxpower = rx_pwr_all; 162 pstats->recvsignalpower = rx_pwr_all; 163 if (get_rx_desc_rxht(pdesc) && rxmcs >= DESC_RATEMCS8 && 164 rxmcs <= DESC_RATEMCS15) 165 max_spatial_stream = 2; 166 else 167 max_spatial_stream = 1; 168 for (i = 0; i < max_spatial_stream; i++) { 169 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); 170 if (packet_match_bssid) { 171 if (i == 0) 172 pstats->signalquality = 173 (u8)(evm & 0xff); 174 pstats->rx_mimo_sig_qual[i] = 175 (u8)(evm & 0xff); 176 } 177 } 178 } 179 if (is_cck_rate) 180 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 181 pwdb_all)); 182 else if (rf_rx_num != 0) 183 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 184 total_rssi /= rf_rx_num)); 185 } 186 187 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw, 188 struct rtl_stats *pstats) 189 { 190 struct rtl_priv *rtlpriv = rtl_priv(hw); 191 struct rtl_phy *rtlphy = &(rtlpriv->phy); 192 u8 rfpath; 193 194 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; 195 rfpath++) { 196 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { 197 rtlpriv->stats.rx_rssi_percentage[rfpath] = 198 pstats->rx_mimo_signalstrength[rfpath]; 199 200 } 201 if (pstats->rx_mimo_signalstrength[rfpath] > 202 rtlpriv->stats.rx_rssi_percentage[rfpath]) { 203 rtlpriv->stats.rx_rssi_percentage[rfpath] = 204 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 205 (RX_SMOOTH_FACTOR - 1)) + 206 (pstats->rx_mimo_signalstrength[rfpath])) / 207 (RX_SMOOTH_FACTOR); 208 rtlpriv->stats.rx_rssi_percentage[rfpath] = 209 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1; 210 } else { 211 rtlpriv->stats.rx_rssi_percentage[rfpath] = 212 ((rtlpriv->stats.rx_rssi_percentage[rfpath] * 213 (RX_SMOOTH_FACTOR - 1)) + 214 (pstats->rx_mimo_signalstrength[rfpath])) / 215 (RX_SMOOTH_FACTOR); 216 } 217 } 218 } 219 220 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw, 221 struct rtl_stats *pstats) 222 { 223 struct rtl_priv *rtlpriv = rtl_priv(hw); 224 u32 last_rssi, tmpval; 225 226 if (pstats->packet_toself || pstats->packet_beacon) { 227 rtlpriv->stats.rssi_calculate_cnt++; 228 if (rtlpriv->stats.ui_rssi.total_num++ >= 229 PHY_RSSI_SLID_WIN_MAX) { 230 rtlpriv->stats.ui_rssi.total_num = 231 PHY_RSSI_SLID_WIN_MAX; 232 last_rssi = rtlpriv->stats.ui_rssi.elements[ 233 rtlpriv->stats.ui_rssi.index]; 234 rtlpriv->stats.ui_rssi.total_val -= last_rssi; 235 } 236 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; 237 rtlpriv->stats.ui_rssi.elements 238 [rtlpriv->stats.ui_rssi.index++] = 239 pstats->signalstrength; 240 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) 241 rtlpriv->stats.ui_rssi.index = 0; 242 tmpval = rtlpriv->stats.ui_rssi.total_val / 243 rtlpriv->stats.ui_rssi.total_num; 244 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw, 245 (u8) tmpval); 246 pstats->rssi = rtlpriv->stats.signal_strength; 247 } 248 if (!pstats->is_cck && pstats->packet_toself) 249 rtl92d_loop_over_paths(hw, pstats); 250 } 251 252 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw, 253 struct rtl_stats *pstats) 254 { 255 struct rtl_priv *rtlpriv = rtl_priv(hw); 256 int weighting = 0; 257 258 if (rtlpriv->stats.recv_signal_power == 0) 259 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; 260 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) 261 weighting = 5; 262 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) 263 weighting = (-5); 264 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 265 5 + pstats->recvsignalpower + weighting) / 6; 266 } 267 268 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw, 269 struct rtl_stats *pstats) 270 { 271 struct rtl_priv *rtlpriv = rtl_priv(hw); 272 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 273 long undec_sm_pwdb; 274 275 if (mac->opmode == NL80211_IFTYPE_ADHOC || 276 mac->opmode == NL80211_IFTYPE_AP) 277 return; 278 else 279 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 280 281 if (pstats->packet_toself || pstats->packet_beacon) { 282 if (undec_sm_pwdb < 0) 283 undec_sm_pwdb = pstats->rx_pwdb_all; 284 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { 285 undec_sm_pwdb = (((undec_sm_pwdb) * 286 (RX_SMOOTH_FACTOR - 1)) + 287 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 288 undec_sm_pwdb = undec_sm_pwdb + 1; 289 } else { 290 undec_sm_pwdb = (((undec_sm_pwdb) * 291 (RX_SMOOTH_FACTOR - 1)) + 292 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); 293 } 294 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb; 295 _rtl92de_update_rxsignalstatistics(hw, pstats); 296 } 297 } 298 299 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, 300 struct rtl_stats *pstats) 301 { 302 struct rtl_priv *rtlpriv = rtl_priv(hw); 303 int stream; 304 305 for (stream = 0; stream < 2; stream++) { 306 if (pstats->rx_mimo_sig_qual[stream] != -1) { 307 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { 308 rtlpriv->stats.rx_evm_percentage[stream] = 309 pstats->rx_mimo_sig_qual[stream]; 310 } 311 rtlpriv->stats.rx_evm_percentage[stream] = 312 ((rtlpriv->stats.rx_evm_percentage[stream] 313 * (RX_SMOOTH_FACTOR - 1)) + 314 (pstats->rx_mimo_sig_qual[stream] * 1)) / 315 (RX_SMOOTH_FACTOR); 316 } 317 } 318 } 319 320 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, 321 struct rtl_stats *pstats) 322 { 323 struct rtl_priv *rtlpriv = rtl_priv(hw); 324 u32 last_evm, tmpval; 325 326 if (pstats->signalquality == 0) 327 return; 328 if (pstats->packet_toself || pstats->packet_beacon) { 329 if (rtlpriv->stats.ui_link_quality.total_num++ >= 330 PHY_LINKQUALITY_SLID_WIN_MAX) { 331 rtlpriv->stats.ui_link_quality.total_num = 332 PHY_LINKQUALITY_SLID_WIN_MAX; 333 last_evm = rtlpriv->stats.ui_link_quality.elements[ 334 rtlpriv->stats.ui_link_quality.index]; 335 rtlpriv->stats.ui_link_quality.total_val -= last_evm; 336 } 337 rtlpriv->stats.ui_link_quality.total_val += 338 pstats->signalquality; 339 rtlpriv->stats.ui_link_quality.elements[ 340 rtlpriv->stats.ui_link_quality.index++] = 341 pstats->signalquality; 342 if (rtlpriv->stats.ui_link_quality.index >= 343 PHY_LINKQUALITY_SLID_WIN_MAX) 344 rtlpriv->stats.ui_link_quality.index = 0; 345 tmpval = rtlpriv->stats.ui_link_quality.total_val / 346 rtlpriv->stats.ui_link_quality.total_num; 347 rtlpriv->stats.signal_quality = tmpval; 348 rtlpriv->stats.last_sigstrength_inpercent = tmpval; 349 rtl92d_loop_over_streams(hw, pstats); 350 } 351 } 352 353 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, 354 u8 *buffer, 355 struct rtl_stats *pcurrent_stats) 356 { 357 358 if (!pcurrent_stats->packet_matchbssid && 359 !pcurrent_stats->packet_beacon) 360 return; 361 362 _rtl92de_process_ui_rssi(hw, pcurrent_stats); 363 _rtl92de_process_pwdb(hw, pcurrent_stats); 364 _rtl92de_process_ui_link_quality(hw, pcurrent_stats); 365 } 366 367 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, 368 struct sk_buff *skb, 369 struct rtl_stats *pstats, 370 __le32 *pdesc, 371 struct rx_fwinfo_92d *p_drvinfo) 372 { 373 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 374 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 375 struct ieee80211_hdr *hdr; 376 u8 *tmp_buf; 377 u8 *praddr; 378 u16 type, cfc; 379 __le16 fc; 380 bool packet_matchbssid, packet_toself, packet_beacon = false; 381 382 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 383 hdr = (struct ieee80211_hdr *)tmp_buf; 384 fc = hdr->frame_control; 385 cfc = le16_to_cpu(fc); 386 type = WLAN_FC_GET_TYPE(fc); 387 praddr = hdr->addr1; 388 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 389 ether_addr_equal(mac->bssid, 390 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 391 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 392 hdr->addr3) && 393 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 394 packet_toself = packet_matchbssid && 395 ether_addr_equal(praddr, rtlefuse->dev_addr); 396 if (ieee80211_is_beacon(fc)) 397 packet_beacon = true; 398 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 399 packet_matchbssid, packet_toself, 400 packet_beacon); 401 _rtl92de_process_phyinfo(hw, tmp_buf, pstats); 402 } 403 404 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, 405 struct ieee80211_rx_status *rx_status, 406 u8 *pdesc8, struct sk_buff *skb) 407 { 408 __le32 *pdesc = (__le32 *)pdesc8; 409 struct rx_fwinfo_92d *p_drvinfo; 410 u32 phystatus = get_rx_desc_physt(pdesc); 411 412 stats->length = (u16)get_rx_desc_pkt_len(pdesc); 413 stats->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 414 RX_DRV_INFO_SIZE_UNIT; 415 stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 416 stats->icv = (u16)get_rx_desc_icv(pdesc); 417 stats->crc = (u16)get_rx_desc_crc32(pdesc); 418 stats->hwerror = (stats->crc | stats->icv); 419 stats->decrypted = !get_rx_desc_swdec(pdesc) && 420 get_rx_desc_enc_type(pdesc) != RX_DESC_ENC_NONE; 421 stats->rate = (u8)get_rx_desc_rxmcs(pdesc); 422 stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 423 stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 424 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && 425 (get_rx_desc_faggr(pdesc) == 1)); 426 stats->timestamp_low = get_rx_desc_tsfl(pdesc); 427 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 428 stats->is_ht = (bool)get_rx_desc_rxht(pdesc); 429 rx_status->freq = hw->conf.chandef.chan->center_freq; 430 rx_status->band = hw->conf.chandef.chan->band; 431 if (get_rx_desc_crc32(pdesc)) 432 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 433 if (get_rx_desc_bw(pdesc)) 434 rx_status->bw = RATE_INFO_BW_40; 435 if (get_rx_desc_rxht(pdesc)) 436 rx_status->encoding = RX_ENC_HT; 437 rx_status->flag |= RX_FLAG_MACTIME_START; 438 if (stats->decrypted) 439 rx_status->flag |= RX_FLAG_DECRYPTED; 440 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 441 false, stats->rate); 442 rx_status->mactime = get_rx_desc_tsfl(pdesc); 443 if (phystatus) { 444 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + 445 stats->rx_bufshift); 446 _rtl92de_translate_rx_signal_stuff(hw, skb, stats, pdesc, 447 p_drvinfo); 448 } 449 /*rx_status->qual = stats->signal; */ 450 rx_status->signal = stats->recvsignalpower + 10; 451 return true; 452 } 453 454 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 455 u8 *virtualaddress8) 456 { 457 __le32 *virtualaddress = (__le32 *)virtualaddress8; 458 459 memset(virtualaddress, 0, 8); 460 461 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 462 set_earlymode_len0(virtualaddress, ptcb_desc->empkt_len[0]); 463 set_earlymode_len1(virtualaddress, ptcb_desc->empkt_len[1]); 464 set_earlymode_len2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); 465 set_earlymode_len2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); 466 set_earlymode_len3(virtualaddress, ptcb_desc->empkt_len[3]); 467 set_earlymode_len4(virtualaddress, ptcb_desc->empkt_len[4]); 468 } 469 470 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, 471 struct ieee80211_hdr *hdr, u8 *pdesc8, 472 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 473 struct ieee80211_sta *sta, 474 struct sk_buff *skb, 475 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 476 { 477 struct rtl_priv *rtlpriv = rtl_priv(hw); 478 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 479 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 480 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 481 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 482 __le32 *pdesc = (__le32 *)pdesc8; 483 u16 seq_number; 484 __le16 fc = hdr->frame_control; 485 unsigned int buf_len = 0; 486 unsigned int skb_len = skb->len; 487 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); 488 bool firstseg = ((hdr->seq_ctrl & 489 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 490 bool lastseg = ((hdr->frame_control & 491 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 492 dma_addr_t mapping; 493 u8 bw_40 = 0; 494 495 if (mac->opmode == NL80211_IFTYPE_STATION) { 496 bw_40 = mac->bw_40; 497 } else if (mac->opmode == NL80211_IFTYPE_AP || 498 mac->opmode == NL80211_IFTYPE_ADHOC) { 499 if (sta) 500 bw_40 = sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40; 501 } 502 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 503 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 504 /* reserve 8 byte for AMPDU early mode */ 505 if (rtlhal->earlymode_enable) { 506 skb_push(skb, EM_HDR_LEN); 507 memset(skb->data, 0, EM_HDR_LEN); 508 } 509 buf_len = skb->len; 510 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len, 511 DMA_TO_DEVICE); 512 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 513 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 514 "DMA mapping error\n"); 515 return; 516 } 517 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_92d)); 518 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 519 firstseg = true; 520 lastseg = true; 521 } 522 if (firstseg) { 523 if (rtlhal->earlymode_enable) { 524 set_tx_desc_pkt_offset(pdesc, 1); 525 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 526 EM_HDR_LEN); 527 if (ptcb_desc->empkt_num) { 528 rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD, 529 "Insert 8 byte.pTcb->EMPktNum:%d\n", 530 ptcb_desc->empkt_num); 531 _rtl92de_insert_emcontent(ptcb_desc, 532 (u8 *)(skb->data)); 533 } 534 } else { 535 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 536 } 537 /* 5G have no CCK rate */ 538 if (rtlhal->current_bandtype == BAND_ON_5G) 539 if (ptcb_desc->hw_rate < DESC_RATE6M) 540 ptcb_desc->hw_rate = DESC_RATE6M; 541 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 542 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 543 set_tx_desc_data_shortgi(pdesc, 1); 544 545 if (rtlhal->macphymode == DUALMAC_DUALPHY && 546 ptcb_desc->hw_rate == DESC_RATEMCS7) 547 set_tx_desc_data_shortgi(pdesc, 1); 548 549 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 550 set_tx_desc_agg_enable(pdesc, 1); 551 set_tx_desc_max_agg_num(pdesc, 0x14); 552 } 553 set_tx_desc_seq(pdesc, seq_number); 554 set_tx_desc_rts_enable(pdesc, 555 ((ptcb_desc->rts_enable && 556 !ptcb_desc->cts_enable) ? 1 : 0)); 557 set_tx_desc_hw_rts_enable(pdesc, ((ptcb_desc->rts_enable 558 || ptcb_desc->cts_enable) ? 1 : 0)); 559 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 560 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 561 /* 5G have no CCK rate */ 562 if (rtlhal->current_bandtype == BAND_ON_5G) 563 if (ptcb_desc->rts_rate < DESC_RATE6M) 564 ptcb_desc->rts_rate = DESC_RATE6M; 565 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 566 set_tx_desc_rts_bw(pdesc, 0); 567 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 568 set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <= 569 DESC_RATE54M) ? 570 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 571 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 572 if (bw_40) { 573 if (ptcb_desc->packet_bw) { 574 set_tx_desc_data_bw(pdesc, 1); 575 set_tx_desc_tx_sub_carrier(pdesc, 3); 576 } else { 577 set_tx_desc_data_bw(pdesc, 0); 578 set_tx_desc_tx_sub_carrier(pdesc, 579 mac->cur_40_prime_sc); 580 } 581 } else { 582 set_tx_desc_data_bw(pdesc, 0); 583 set_tx_desc_tx_sub_carrier(pdesc, 0); 584 } 585 set_tx_desc_linip(pdesc, 0); 586 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 587 if (sta) { 588 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density; 589 set_tx_desc_ampdu_density(pdesc, ampdu_density); 590 } 591 if (info->control.hw_key) { 592 struct ieee80211_key_conf *keyconf; 593 594 keyconf = info->control.hw_key; 595 switch (keyconf->cipher) { 596 case WLAN_CIPHER_SUITE_WEP40: 597 case WLAN_CIPHER_SUITE_WEP104: 598 case WLAN_CIPHER_SUITE_TKIP: 599 set_tx_desc_sec_type(pdesc, 0x1); 600 break; 601 case WLAN_CIPHER_SUITE_CCMP: 602 set_tx_desc_sec_type(pdesc, 0x3); 603 break; 604 default: 605 set_tx_desc_sec_type(pdesc, 0x0); 606 break; 607 608 } 609 } 610 set_tx_desc_pkt_id(pdesc, 0); 611 set_tx_desc_queue_sel(pdesc, fw_qsel); 612 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 613 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 614 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 615 1 : 0); 616 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 617 618 /* Set TxRate and RTSRate in TxDesc */ 619 /* This prevent Tx initial rate of new-coming packets */ 620 /* from being overwritten by retried packet rate.*/ 621 if (!ptcb_desc->use_driver_rate) { 622 set_tx_desc_rts_rate(pdesc, 0x08); 623 /* set_tx_desc_tx_rate(pdesc, 0x0b); */ 624 } 625 if (ieee80211_is_data_qos(fc)) { 626 if (mac->rdg_en) { 627 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 628 "Enable RDG function\n"); 629 set_tx_desc_rdg_enable(pdesc, 1); 630 set_tx_desc_htc(pdesc, 1); 631 } 632 } 633 } 634 635 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 636 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 637 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len); 638 set_tx_desc_tx_buffer_address(pdesc, mapping); 639 if (rtlpriv->dm.useramask) { 640 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 641 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 642 } else { 643 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 644 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index); 645 } 646 if (ieee80211_is_data_qos(fc)) 647 set_tx_desc_qos(pdesc, 1); 648 649 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 650 set_tx_desc_hwseq_en(pdesc, 1); 651 set_tx_desc_pkt_id(pdesc, 8); 652 } 653 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 654 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 655 } 656 657 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, 658 u8 *pdesc8, bool firstseg, 659 bool lastseg, struct sk_buff *skb) 660 { 661 struct rtl_priv *rtlpriv = rtl_priv(hw); 662 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 663 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 664 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 665 u8 fw_queue = QSLT_BEACON; 666 667 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 668 __le16 fc = hdr->frame_control; 669 __le32 *pdesc = (__le32 *)pdesc8; 670 671 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 672 skb->len, DMA_TO_DEVICE); 673 674 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 675 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 676 "DMA mapping error\n"); 677 return; 678 } 679 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 680 if (firstseg) 681 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 682 /* 5G have no CCK rate 683 * Caution: The macros below are multi-line expansions. 684 * The braces are needed no matter what checkpatch says 685 */ 686 if (rtlhal->current_bandtype == BAND_ON_5G) { 687 set_tx_desc_tx_rate(pdesc, DESC_RATE6M); 688 } else { 689 set_tx_desc_tx_rate(pdesc, DESC_RATE1M); 690 } 691 set_tx_desc_seq(pdesc, 0); 692 set_tx_desc_linip(pdesc, 0); 693 set_tx_desc_queue_sel(pdesc, fw_queue); 694 set_tx_desc_first_seg(pdesc, 1); 695 set_tx_desc_last_seg(pdesc, 1); 696 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len); 697 set_tx_desc_tx_buffer_address(pdesc, mapping); 698 set_tx_desc_rate_id(pdesc, 7); 699 set_tx_desc_macid(pdesc, 0); 700 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 701 set_tx_desc_first_seg(pdesc, 1); 702 set_tx_desc_last_seg(pdesc, 1); 703 set_tx_desc_offset(pdesc, 0x20); 704 set_tx_desc_use_rate(pdesc, 1); 705 706 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { 707 set_tx_desc_hwseq_en(pdesc, 1); 708 set_tx_desc_pkt_id(pdesc, 8); 709 } 710 711 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 712 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 713 wmb(); 714 set_tx_desc_own(pdesc, 1); 715 } 716 717 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx, 718 u8 desc_name, u8 *val) 719 { 720 __le32 *pdesc = (__le32 *)pdesc8; 721 722 if (istx) { 723 switch (desc_name) { 724 case HW_DESC_OWN: 725 wmb(); 726 set_tx_desc_own(pdesc, 1); 727 break; 728 case HW_DESC_TX_NEXTDESC_ADDR: 729 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 730 break; 731 default: 732 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 733 desc_name); 734 break; 735 } 736 } else { 737 switch (desc_name) { 738 case HW_DESC_RXOWN: 739 wmb(); 740 set_rx_desc_own(pdesc, 1); 741 break; 742 case HW_DESC_RXBUFF_ADDR: 743 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 744 break; 745 case HW_DESC_RXPKT_LEN: 746 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 747 break; 748 case HW_DESC_RXERO: 749 set_rx_desc_eor(pdesc, 1); 750 break; 751 default: 752 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 753 desc_name); 754 break; 755 } 756 } 757 } 758 759 u64 rtl92de_get_desc(struct ieee80211_hw *hw, 760 u8 *p_desc8, bool istx, u8 desc_name) 761 { 762 __le32 *p_desc = (__le32 *)p_desc8; 763 u32 ret = 0; 764 765 if (istx) { 766 switch (desc_name) { 767 case HW_DESC_OWN: 768 ret = get_tx_desc_own(p_desc); 769 break; 770 case HW_DESC_TXBUFF_ADDR: 771 ret = get_tx_desc_tx_buffer_address(p_desc); 772 break; 773 default: 774 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n", 775 desc_name); 776 break; 777 } 778 } else { 779 switch (desc_name) { 780 case HW_DESC_OWN: 781 ret = get_rx_desc_own(p_desc); 782 break; 783 case HW_DESC_RXPKT_LEN: 784 ret = get_rx_desc_pkt_len(p_desc); 785 break; 786 case HW_DESC_RXBUFF_ADDR: 787 ret = get_rx_desc_buff_addr(p_desc); 788 break; 789 default: 790 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n", 791 desc_name); 792 break; 793 } 794 } 795 return ret; 796 } 797 798 bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw, 799 u8 hw_queue, u16 index) 800 { 801 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 802 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 803 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 804 u8 own = (u8)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN); 805 806 /* a beacon packet will only use the first 807 * descriptor by defaut, and the own bit may not 808 * be cleared by the hardware 809 */ 810 if (own) 811 return false; 812 return true; 813 } 814 815 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 816 { 817 struct rtl_priv *rtlpriv = rtl_priv(hw); 818 if (hw_queue == BEACON_QUEUE) 819 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 820 else 821 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 822 BIT(0) << (hw_queue)); 823 } 824