1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2010 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 "trx.h" 11 #include "led.h" 12 #include "dm.h" 13 #include "phy.h" 14 #include "fw.h" 15 16 static u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 17 { 18 __le16 fc = rtl_get_fc(skb); 19 20 if (unlikely(ieee80211_is_beacon(fc))) 21 return QSLT_BEACON; 22 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) 23 return QSLT_MGNT; 24 25 return skb->priority; 26 } 27 28 static u16 odm_cfo(s8 value) 29 { 30 int ret_val; 31 32 if (value < 0) { 33 ret_val = 0 - value; 34 ret_val = (ret_val << 1) + (ret_val >> 1); 35 /* set bit12 as 1 for negative cfo */ 36 ret_val = ret_val | BIT(12); 37 } else { 38 ret_val = value; 39 ret_val = (ret_val << 1) + (ret_val >> 1); 40 } 41 return ret_val; 42 } 43 44 static u8 _rtl8821ae_evm_dbm_jaguar(s8 value) 45 { 46 s8 ret_val = value; 47 48 /* -33dB~0dB to 33dB ~ 0dB*/ 49 if (ret_val == -128) 50 ret_val = 127; 51 else if (ret_val < 0) 52 ret_val = 0 - ret_val; 53 54 ret_val = ret_val >> 1; 55 return ret_val; 56 } 57 58 static void query_rxphystatus(struct ieee80211_hw *hw, 59 struct rtl_stats *pstatus, __le32 *pdesc, 60 struct rx_fwinfo_8821ae *p_drvinfo, 61 bool bpacket_match_bssid, 62 bool bpacket_toself, bool packet_beacon) 63 { 64 struct rtl_priv *rtlpriv = rtl_priv(hw); 65 struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo; 66 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); 67 struct rtl_phy *rtlphy = &rtlpriv->phy; 68 s8 rx_pwr_all = 0, rx_pwr[4]; 69 u8 rf_rx_num = 0, evm, evmdbm, pwdb_all; 70 u8 i, max_spatial_stream; 71 u32 rssi, total_rssi = 0; 72 bool is_cck = pstatus->is_cck; 73 u8 lan_idx, vga_idx; 74 75 /* Record it for next packet processing */ 76 pstatus->packet_matchbssid = bpacket_match_bssid; 77 pstatus->packet_toself = bpacket_toself; 78 pstatus->packet_beacon = packet_beacon; 79 pstatus->rx_mimo_signalquality[0] = -1; 80 pstatus->rx_mimo_signalquality[1] = -1; 81 82 if (is_cck) { 83 u8 cck_highpwr; 84 u8 cck_agc_rpt; 85 86 cck_agc_rpt = p_phystrpt->cfosho[0]; 87 88 /* (1)Hardware does not provide RSSI for CCK 89 * (2)PWDB, Average PWDB cacluated by 90 * hardware (for rate adaptive) 91 */ 92 cck_highpwr = (u8)rtlphy->cck_high_power; 93 94 lan_idx = ((cck_agc_rpt & 0xE0) >> 5); 95 vga_idx = (cck_agc_rpt & 0x1f); 96 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) { 97 switch (lan_idx) { 98 case 7: 99 if (vga_idx <= 27) 100 /*VGA_idx = 27~2*/ 101 rx_pwr_all = -100 + 2*(27-vga_idx); 102 else 103 rx_pwr_all = -100; 104 break; 105 case 6: 106 /*VGA_idx = 2~0*/ 107 rx_pwr_all = -48 + 2*(2-vga_idx); 108 break; 109 case 5: 110 /*VGA_idx = 7~5*/ 111 rx_pwr_all = -42 + 2*(7-vga_idx); 112 break; 113 case 4: 114 /*VGA_idx = 7~4*/ 115 rx_pwr_all = -36 + 2*(7-vga_idx); 116 break; 117 case 3: 118 /*VGA_idx = 7~0*/ 119 rx_pwr_all = -24 + 2*(7-vga_idx); 120 break; 121 case 2: 122 if (cck_highpwr) 123 /*VGA_idx = 5~0*/ 124 rx_pwr_all = -12 + 2*(5-vga_idx); 125 else 126 rx_pwr_all = -6 + 2*(5-vga_idx); 127 break; 128 case 1: 129 rx_pwr_all = 8-2*vga_idx; 130 break; 131 case 0: 132 rx_pwr_all = 14-2*vga_idx; 133 break; 134 default: 135 break; 136 } 137 rx_pwr_all += 6; 138 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 139 if (!cck_highpwr) { 140 if (pwdb_all >= 80) 141 pwdb_all = 142 ((pwdb_all - 80)<<1) + 143 ((pwdb_all - 80)>>1) + 80; 144 else if ((pwdb_all <= 78) && (pwdb_all >= 20)) 145 pwdb_all += 3; 146 if (pwdb_all > 100) 147 pwdb_all = 100; 148 } 149 } else { /* 8821 */ 150 s8 pout = -6; 151 152 switch (lan_idx) { 153 case 5: 154 rx_pwr_all = pout - 32 - (2*vga_idx); 155 break; 156 case 4: 157 rx_pwr_all = pout - 24 - (2*vga_idx); 158 break; 159 case 2: 160 rx_pwr_all = pout - 11 - (2*vga_idx); 161 break; 162 case 1: 163 rx_pwr_all = pout + 5 - (2*vga_idx); 164 break; 165 case 0: 166 rx_pwr_all = pout + 21 - (2*vga_idx); 167 break; 168 } 169 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 170 } 171 172 pstatus->rx_pwdb_all = pwdb_all; 173 pstatus->recvsignalpower = rx_pwr_all; 174 175 /* (3) Get Signal Quality (EVM) */ 176 if (bpacket_match_bssid) { 177 u8 sq; 178 179 if (pstatus->rx_pwdb_all > 40) { 180 sq = 100; 181 } else { 182 sq = p_phystrpt->pwdb_all; 183 if (sq > 64) 184 sq = 0; 185 else if (sq < 20) 186 sq = 100; 187 else 188 sq = ((64 - sq) * 100) / 44; 189 } 190 191 pstatus->signalquality = sq; 192 pstatus->rx_mimo_signalquality[0] = sq; 193 pstatus->rx_mimo_signalquality[1] = -1; 194 } 195 } else { 196 /* (1)Get RSSI for HT rate */ 197 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 198 /* we will judge RF RX path now. */ 199 if (rtlpriv->dm.rfpath_rxenable[i]) 200 rf_rx_num++; 201 202 rx_pwr[i] = (p_phystrpt->gain_trsw[i] & 0x7f) - 110; 203 204 /* Translate DBM to percentage. */ 205 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 206 total_rssi += rssi; 207 208 /* Get Rx snr value in DB */ 209 pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2; 210 rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2; 211 212 pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]); 213 pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]); 214 /* Record Signal Strength for next packet */ 215 pstatus->rx_mimo_signalstrength[i] = (u8)rssi; 216 } 217 218 /* (2)PWDB, Average PWDB cacluated by 219 * hardware (for rate adaptive) 220 */ 221 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; 222 223 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 224 pstatus->rx_pwdb_all = pwdb_all; 225 pstatus->rxpower = rx_pwr_all; 226 pstatus->recvsignalpower = rx_pwr_all; 227 228 /* (3)EVM of HT rate */ 229 if ((pstatus->is_ht && pstatus->rate >= DESC_RATEMCS8 && 230 pstatus->rate <= DESC_RATEMCS15) || 231 (pstatus->is_vht && 232 pstatus->rate >= DESC_RATEVHT2SS_MCS0 && 233 pstatus->rate <= DESC_RATEVHT2SS_MCS9)) 234 max_spatial_stream = 2; 235 else 236 max_spatial_stream = 1; 237 238 for (i = 0; i < max_spatial_stream; i++) { 239 evm = rtl_evm_db_to_percentage(p_phystrpt->rxevm[i]); 240 evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]); 241 242 if (bpacket_match_bssid) { 243 /* Fill value in RFD, Get the first 244 * spatial stream only 245 */ 246 if (i == 0) 247 pstatus->signalquality = evm; 248 pstatus->rx_mimo_signalquality[i] = evm; 249 pstatus->rx_mimo_evm_dbm[i] = evmdbm; 250 } 251 } 252 if (bpacket_match_bssid) { 253 for (i = RF90_PATH_A; i <= RF90_PATH_B; i++) 254 rtl_priv(hw)->dm.cfo_tail[i] = 255 (s8)p_phystrpt->cfotail[i]; 256 257 rtl_priv(hw)->dm.packet_count++; 258 } 259 } 260 261 /* UI BSS List signal strength(in percentage), 262 * make it good looking, from 0~100. 263 */ 264 if (is_cck) 265 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 266 pwdb_all)); 267 else if (rf_rx_num != 0) 268 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 269 total_rssi /= rf_rx_num)); 270 /*HW antenna diversity*/ 271 rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->antidx_anta; 272 rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb; 273 } 274 275 static void translate_rx_signal_stuff(struct ieee80211_hw *hw, 276 struct sk_buff *skb, 277 struct rtl_stats *pstatus, __le32 *pdesc, 278 struct rx_fwinfo_8821ae *p_drvinfo) 279 { 280 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 281 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 282 struct ieee80211_hdr *hdr; 283 u8 *tmp_buf; 284 u8 *praddr; 285 u8 *psaddr; 286 __le16 fc; 287 bool packet_matchbssid, packet_toself, packet_beacon; 288 289 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; 290 291 hdr = (struct ieee80211_hdr *)tmp_buf; 292 fc = hdr->frame_control; 293 praddr = hdr->addr1; 294 psaddr = ieee80211_get_SA(hdr); 295 ether_addr_copy(pstatus->psaddr, psaddr); 296 297 packet_matchbssid = (!ieee80211_is_ctl(fc) && 298 (ether_addr_equal(mac->bssid, 299 ieee80211_has_tods(fc) ? 300 hdr->addr1 : 301 ieee80211_has_fromds(fc) ? 302 hdr->addr2 : hdr->addr3)) && 303 (!pstatus->hwerror) && 304 (!pstatus->crc) && (!pstatus->icv)); 305 306 packet_toself = packet_matchbssid && 307 (ether_addr_equal(praddr, rtlefuse->dev_addr)); 308 309 if (ieee80211_is_beacon(hdr->frame_control)) 310 packet_beacon = true; 311 else 312 packet_beacon = false; 313 314 if (packet_beacon && packet_matchbssid) 315 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; 316 317 if (packet_matchbssid && 318 ieee80211_is_data_qos(hdr->frame_control) && 319 !is_multicast_ether_addr(ieee80211_get_DA(hdr))) { 320 struct ieee80211_qos_hdr *hdr_qos = 321 (struct ieee80211_qos_hdr *)tmp_buf; 322 u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf; 323 324 if (tid != 0 && tid != 3) 325 rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++; 326 } 327 328 query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, 329 packet_matchbssid, packet_toself, 330 packet_beacon); 331 /*_rtl8821ae_smart_antenna(hw, pstatus); */ 332 rtl_process_phyinfo(hw, tmp_buf, pstatus); 333 } 334 335 static void rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 336 __le32 *virtualaddress) 337 { 338 u32 dwtmp = 0; 339 340 memset(virtualaddress, 0, 8); 341 342 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 343 if (ptcb_desc->empkt_num == 1) { 344 dwtmp = ptcb_desc->empkt_len[0]; 345 } else { 346 dwtmp = ptcb_desc->empkt_len[0]; 347 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 348 dwtmp += ptcb_desc->empkt_len[1]; 349 } 350 set_earlymode_len0(virtualaddress, dwtmp); 351 352 if (ptcb_desc->empkt_num <= 3) { 353 dwtmp = ptcb_desc->empkt_len[2]; 354 } else { 355 dwtmp = ptcb_desc->empkt_len[2]; 356 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 357 dwtmp += ptcb_desc->empkt_len[3]; 358 } 359 set_earlymode_len1(virtualaddress, dwtmp); 360 if (ptcb_desc->empkt_num <= 5) { 361 dwtmp = ptcb_desc->empkt_len[4]; 362 } else { 363 dwtmp = ptcb_desc->empkt_len[4]; 364 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 365 dwtmp += ptcb_desc->empkt_len[5]; 366 } 367 set_earlymode_len2_1(virtualaddress, dwtmp & 0xF); 368 set_earlymode_len2_2(virtualaddress, dwtmp >> 4); 369 if (ptcb_desc->empkt_num <= 7) { 370 dwtmp = ptcb_desc->empkt_len[6]; 371 } else { 372 dwtmp = ptcb_desc->empkt_len[6]; 373 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 374 dwtmp += ptcb_desc->empkt_len[7]; 375 } 376 set_earlymode_len3(virtualaddress, dwtmp); 377 if (ptcb_desc->empkt_num <= 9) { 378 dwtmp = ptcb_desc->empkt_len[8]; 379 } else { 380 dwtmp = ptcb_desc->empkt_len[8]; 381 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 382 dwtmp += ptcb_desc->empkt_len[9]; 383 } 384 set_earlymode_len4(virtualaddress, dwtmp); 385 } 386 387 static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, __le32 *pdesc) 388 { 389 struct rtl_priv *rtlpriv = rtl_priv(hw); 390 u8 rx_rate = 0; 391 392 rx_rate = get_rx_desc_rxmcs(pdesc); 393 394 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); 395 396 if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15)) 397 return true; 398 return false; 399 } 400 401 static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, __le32 *pdesc) 402 { 403 struct rtl_priv *rtlpriv = rtl_priv(hw); 404 u8 rx_rate = 0; 405 406 rx_rate = get_rx_desc_rxmcs(pdesc); 407 408 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); 409 410 if (rx_rate >= DESC_RATEVHT1SS_MCS0) 411 return true; 412 return false; 413 } 414 415 static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, __le32 *pdesc) 416 { 417 u8 rx_rate = 0; 418 u8 vht_nss = 0; 419 420 rx_rate = get_rx_desc_rxmcs(pdesc); 421 if ((rx_rate >= DESC_RATEVHT1SS_MCS0) && 422 (rx_rate <= DESC_RATEVHT1SS_MCS9)) 423 vht_nss = 1; 424 else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) && 425 (rx_rate <= DESC_RATEVHT2SS_MCS9)) 426 vht_nss = 2; 427 428 return vht_nss; 429 } 430 431 bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw, 432 struct rtl_stats *status, 433 struct ieee80211_rx_status *rx_status, 434 u8 *pdesc8, struct sk_buff *skb) 435 { 436 struct rtl_priv *rtlpriv = rtl_priv(hw); 437 struct rx_fwinfo_8821ae *p_drvinfo; 438 struct ieee80211_hdr *hdr; 439 u8 wake_match; 440 __le32 *pdesc = (__le32 *)pdesc8; 441 u32 phystatus = get_rx_desc_physt(pdesc); 442 443 status->length = (u16)get_rx_desc_pkt_len(pdesc); 444 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 445 RX_DRV_INFO_SIZE_UNIT; 446 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 447 status->icv = (u16)get_rx_desc_icv(pdesc); 448 status->crc = (u16)get_rx_desc_crc32(pdesc); 449 status->hwerror = (status->crc | status->icv); 450 status->decrypted = !get_rx_desc_swdec(pdesc); 451 status->rate = (u8)get_rx_desc_rxmcs(pdesc); 452 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 453 status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 454 status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 455 status->timestamp_low = get_rx_desc_tsfl(pdesc); 456 status->rx_packet_bw = get_rx_desc_bw(pdesc); 457 status->macid = get_rx_desc_macid(pdesc); 458 status->is_short_gi = !(bool)get_rx_desc_splcp(pdesc); 459 status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc); 460 status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc); 461 status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc); 462 status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate); 463 464 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, 465 "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n", 466 (status->rx_packet_bw == 2) ? "80M" : 467 (status->rx_packet_bw == 1) ? "40M" : "20M", 468 status->is_ht, status->is_vht, status->vht_nss, 469 status->is_short_gi); 470 471 if (get_rx_status_desc_rpt_sel(pdesc)) 472 status->packet_report_type = C2H_PACKET; 473 else 474 status->packet_report_type = NORMAL_RX; 475 476 if (get_rx_status_desc_pattern_match(pdesc)) 477 wake_match = BIT(2); 478 else if (get_rx_status_desc_magic_match(pdesc)) 479 wake_match = BIT(1); 480 else if (get_rx_status_desc_unicast_match(pdesc)) 481 wake_match = BIT(0); 482 else 483 wake_match = 0; 484 485 if (wake_match) 486 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, 487 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n", 488 wake_match); 489 rx_status->freq = hw->conf.chandef.chan->center_freq; 490 rx_status->band = hw->conf.chandef.chan->band; 491 492 hdr = (struct ieee80211_hdr *)(skb->data + 493 status->rx_drvinfo_size + status->rx_bufshift); 494 495 if (status->crc) 496 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 497 498 if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40) 499 rx_status->bw = RATE_INFO_BW_40; 500 else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80) 501 rx_status->bw = RATE_INFO_BW_80; 502 if (status->is_ht) 503 rx_status->encoding = RX_ENC_HT; 504 if (status->is_vht) 505 rx_status->encoding = RX_ENC_VHT; 506 507 if (status->is_short_gi) 508 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 509 510 rx_status->nss = status->vht_nss; 511 rx_status->flag |= RX_FLAG_MACTIME_START; 512 513 /* hw will set status->decrypted true, if it finds the 514 * frame is open data frame or mgmt frame. 515 * So hw will not decryption robust managment frame 516 * for IEEE80211w but still set status->decrypted 517 * true, so here we should set it back to undecrypted 518 * for IEEE80211w frame, and mac80211 sw will help 519 * to decrypt it 520 */ 521 if (status->decrypted) { 522 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) && 523 (ieee80211_has_protected(hdr->frame_control))) 524 rx_status->flag |= RX_FLAG_DECRYPTED; 525 else 526 rx_status->flag &= ~RX_FLAG_DECRYPTED; 527 } 528 529 /* rate_idx: index of data rate into band's 530 * supported rates or MCS index if HT rates 531 * are use (RX_FLAG_HT) 532 */ 533 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, 534 status->is_vht, 535 status->rate); 536 537 rx_status->mactime = status->timestamp_low; 538 if (phystatus) { 539 p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data + 540 status->rx_bufshift); 541 542 translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo); 543 } 544 rx_status->signal = status->recvsignalpower + 10; 545 if (status->packet_report_type == TX_REPORT2) { 546 status->macid_valid_entry[0] = 547 get_rx_rpt2_desc_macid_valid_1(pdesc); 548 status->macid_valid_entry[1] = 549 get_rx_rpt2_desc_macid_valid_2(pdesc); 550 } 551 return true; 552 } 553 554 static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw, 555 struct rtl_tcb_desc *ptcb_desc) 556 { 557 struct rtl_priv *rtlpriv = rtl_priv(hw); 558 struct rtl_phy *rtlphy = &rtlpriv->phy; 559 u8 bw_setting_of_desc = 0; 560 561 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 562 "rtl8821ae_bw_mapping, current_chan_bw %d, packet_bw %d\n", 563 rtlphy->current_chan_bw, ptcb_desc->packet_bw); 564 565 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 566 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) 567 bw_setting_of_desc = 2; 568 else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) 569 bw_setting_of_desc = 1; 570 else 571 bw_setting_of_desc = 0; 572 } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { 573 if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) || 574 (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)) 575 bw_setting_of_desc = 1; 576 else 577 bw_setting_of_desc = 0; 578 } else { 579 bw_setting_of_desc = 0; 580 } 581 return bw_setting_of_desc; 582 } 583 584 static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw, 585 struct rtl_tcb_desc *ptcb_desc) 586 { 587 struct rtl_priv *rtlpriv = rtl_priv(hw); 588 struct rtl_phy *rtlphy = &rtlpriv->phy; 589 struct rtl_mac *mac = rtl_mac(rtlpriv); 590 u8 sc_setting_of_desc = 0; 591 592 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 593 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) { 594 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 595 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 596 if (mac->cur_80_prime_sc == 597 HAL_PRIME_CHNL_OFFSET_LOWER) 598 sc_setting_of_desc = 599 VHT_DATA_SC_40_LOWER_OF_80MHZ; 600 else if (mac->cur_80_prime_sc == 601 HAL_PRIME_CHNL_OFFSET_UPPER) 602 sc_setting_of_desc = 603 VHT_DATA_SC_40_UPPER_OF_80MHZ; 604 else 605 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 606 "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n"); 607 } else { 608 if ((mac->cur_40_prime_sc == 609 HAL_PRIME_CHNL_OFFSET_LOWER) && 610 (mac->cur_80_prime_sc == 611 HAL_PRIME_CHNL_OFFSET_LOWER)) 612 sc_setting_of_desc = 613 VHT_DATA_SC_20_LOWEST_OF_80MHZ; 614 else if ((mac->cur_40_prime_sc == 615 HAL_PRIME_CHNL_OFFSET_UPPER) && 616 (mac->cur_80_prime_sc == 617 HAL_PRIME_CHNL_OFFSET_LOWER)) 618 sc_setting_of_desc = 619 VHT_DATA_SC_20_LOWER_OF_80MHZ; 620 else if ((mac->cur_40_prime_sc == 621 HAL_PRIME_CHNL_OFFSET_LOWER) && 622 (mac->cur_80_prime_sc == 623 HAL_PRIME_CHNL_OFFSET_UPPER)) 624 sc_setting_of_desc = 625 VHT_DATA_SC_20_UPPER_OF_80MHZ; 626 else if ((mac->cur_40_prime_sc == 627 HAL_PRIME_CHNL_OFFSET_UPPER) && 628 (mac->cur_80_prime_sc == 629 HAL_PRIME_CHNL_OFFSET_UPPER)) 630 sc_setting_of_desc = 631 VHT_DATA_SC_20_UPPERST_OF_80MHZ; 632 else 633 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 634 "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n"); 635 } 636 } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { 637 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 638 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 639 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) { 640 if (mac->cur_40_prime_sc == 641 HAL_PRIME_CHNL_OFFSET_UPPER) { 642 sc_setting_of_desc = 643 VHT_DATA_SC_20_UPPER_OF_80MHZ; 644 } else if (mac->cur_40_prime_sc == 645 HAL_PRIME_CHNL_OFFSET_LOWER){ 646 sc_setting_of_desc = 647 VHT_DATA_SC_20_LOWER_OF_80MHZ; 648 } else { 649 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 650 } 651 } 652 } else { 653 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 654 } 655 656 return sc_setting_of_desc; 657 } 658 659 void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw, 660 struct ieee80211_hdr *hdr, u8 *pdesc8, u8 *txbd, 661 struct ieee80211_tx_info *info, 662 struct ieee80211_sta *sta, 663 struct sk_buff *skb, 664 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 665 { 666 struct rtl_priv *rtlpriv = rtl_priv(hw); 667 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 668 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 669 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 670 struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb); 671 u16 seq_number; 672 __le16 fc = hdr->frame_control; 673 unsigned int buf_len = 0; 674 unsigned int skb_len = skb->len; 675 u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue); 676 bool firstseg = ((hdr->seq_ctrl & 677 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 678 bool lastseg = ((hdr->frame_control & 679 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 680 dma_addr_t mapping; 681 u8 short_gi = 0; 682 bool tmp_bool; 683 __le32 *pdesc = (__le32 *)pdesc8; 684 685 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 686 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 687 /* reserve 8 byte for AMPDU early mode */ 688 if (rtlhal->earlymode_enable) { 689 skb_push(skb, EM_HDR_LEN); 690 memset(skb->data, 0, EM_HDR_LEN); 691 } 692 buf_len = skb->len; 693 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 694 PCI_DMA_TODEVICE); 695 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 696 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 697 "DMA mapping error\n"); 698 return; 699 } 700 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8821ae)); 701 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 702 firstseg = true; 703 lastseg = true; 704 } 705 if (firstseg) { 706 if (rtlhal->earlymode_enable) { 707 set_tx_desc_pkt_offset(pdesc, 1); 708 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 709 EM_HDR_LEN); 710 if (ptcb_desc->empkt_num) { 711 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 712 "Insert 8 byte.pTcb->EMPktNum:%d\n", 713 ptcb_desc->empkt_num); 714 rtl8821ae_insert_emcontent(ptcb_desc, 715 (__le32 *)skb->data); 716 } 717 } else { 718 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 719 } 720 721 722 /* ptcb_desc->use_driver_rate = true; */ 723 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 724 if (ptcb_desc->hw_rate > DESC_RATEMCS0) 725 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0; 726 else 727 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0; 728 729 set_tx_desc_data_shortgi(pdesc, short_gi); 730 731 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 732 set_tx_desc_agg_enable(pdesc, 1); 733 set_tx_desc_max_agg_num(pdesc, 0x1f); 734 } 735 set_tx_desc_seq(pdesc, seq_number); 736 set_tx_desc_rts_enable(pdesc, 737 ((ptcb_desc->rts_enable && 738 !ptcb_desc->cts_enable) ? 1 : 0)); 739 set_tx_desc_hw_rts_enable(pdesc, 0); 740 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 741 742 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 743 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 744 tmp_bool = ((ptcb_desc->rts_rate <= DESC_RATE54M) ? 745 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 746 (ptcb_desc->rts_use_shortgi ? 1 : 0)); 747 set_tx_desc_rts_short(pdesc, tmp_bool); 748 749 if (ptcb_desc->tx_enable_sw_calc_duration) 750 set_tx_desc_nav_use_hdr(pdesc, 1); 751 752 set_tx_desc_data_bw(pdesc, 753 rtl8821ae_bw_mapping(hw, ptcb_desc)); 754 755 set_tx_desc_tx_sub_carrier(pdesc, 756 rtl8821ae_sc_mapping(hw, ptcb_desc)); 757 758 set_tx_desc_linip(pdesc, 0); 759 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 760 if (sta) { 761 u8 ampdu_density = sta->ht_cap.ampdu_density; 762 763 set_tx_desc_ampdu_density(pdesc, ampdu_density); 764 } 765 if (info->control.hw_key) { 766 struct ieee80211_key_conf *keyconf = 767 info->control.hw_key; 768 switch (keyconf->cipher) { 769 case WLAN_CIPHER_SUITE_WEP40: 770 case WLAN_CIPHER_SUITE_WEP104: 771 case WLAN_CIPHER_SUITE_TKIP: 772 set_tx_desc_sec_type(pdesc, 0x1); 773 break; 774 case WLAN_CIPHER_SUITE_CCMP: 775 set_tx_desc_sec_type(pdesc, 0x3); 776 break; 777 default: 778 set_tx_desc_sec_type(pdesc, 0x0); 779 break; 780 } 781 } 782 783 set_tx_desc_queue_sel(pdesc, fw_qsel); 784 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 785 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 786 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 787 1 : 0); 788 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 789 790 if (ieee80211_is_data_qos(fc)) { 791 if (mac->rdg_en) { 792 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 793 "Enable RDG function.\n"); 794 set_tx_desc_rdg_enable(pdesc, 1); 795 set_tx_desc_htc(pdesc, 1); 796 } 797 } 798 /* tx report */ 799 rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info); 800 } 801 802 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 803 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 804 set_tx_desc_tx_buffer_size(pdesc, buf_len); 805 set_tx_desc_tx_buffer_address(pdesc, mapping); 806 /* if (rtlpriv->dm.useramask) { */ 807 if (1) { 808 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 809 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 810 } else { 811 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 812 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 813 } 814 if (!ieee80211_is_data_qos(fc)) { 815 set_tx_desc_hwseq_en(pdesc, 1); 816 set_tx_desc_hwseq_sel(pdesc, 0); 817 } 818 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 819 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 820 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 821 set_tx_desc_bmc(pdesc, 1); 822 } 823 824 rtl8821ae_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id); 825 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 826 } 827 828 void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw, 829 u8 *pdesc8, bool firstseg, 830 bool lastseg, struct sk_buff *skb) 831 { 832 struct rtl_priv *rtlpriv = rtl_priv(hw); 833 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 834 u8 fw_queue = QSLT_BEACON; 835 __le32 *pdesc = (__le32 *)pdesc8; 836 837 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 838 skb->data, skb->len, 839 PCI_DMA_TODEVICE); 840 841 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 842 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 843 "DMA mapping error\n"); 844 return; 845 } 846 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 847 848 set_tx_desc_first_seg(pdesc, 1); 849 set_tx_desc_last_seg(pdesc, 1); 850 851 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 852 853 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 854 855 set_tx_desc_use_rate(pdesc, 1); 856 set_tx_desc_tx_rate(pdesc, DESC_RATE1M); 857 set_tx_desc_disable_fb(pdesc, 1); 858 859 set_tx_desc_data_bw(pdesc, 0); 860 861 set_tx_desc_hwseq_en(pdesc, 1); 862 863 set_tx_desc_queue_sel(pdesc, fw_queue); 864 865 set_tx_desc_tx_buffer_size(pdesc, skb->len); 866 867 set_tx_desc_tx_buffer_address(pdesc, mapping); 868 869 set_tx_desc_macid(pdesc, 0); 870 871 set_tx_desc_own(pdesc, 1); 872 873 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 874 "H2C Tx Cmd Content\n", 875 pdesc8, TX_DESC_SIZE); 876 } 877 878 void rtl8821ae_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, 879 bool istx, u8 desc_name, u8 *val) 880 { 881 __le32 *pdesc = (__le32 *)pdesc8; 882 883 if (istx) { 884 switch (desc_name) { 885 case HW_DESC_OWN: 886 set_tx_desc_own(pdesc, 1); 887 break; 888 case HW_DESC_TX_NEXTDESC_ADDR: 889 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 890 break; 891 default: 892 WARN_ONCE(true, 893 "rtl8821ae: ERR txdesc :%d not processed\n", 894 desc_name); 895 break; 896 } 897 } else { 898 switch (desc_name) { 899 case HW_DESC_RXOWN: 900 set_rx_desc_own(pdesc, 1); 901 break; 902 case HW_DESC_RXBUFF_ADDR: 903 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 904 break; 905 case HW_DESC_RXPKT_LEN: 906 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 907 break; 908 case HW_DESC_RXERO: 909 set_rx_desc_eor(pdesc, 1); 910 break; 911 default: 912 WARN_ONCE(true, 913 "rtl8821ae: ERR rxdesc :%d not processed\n", 914 desc_name); 915 break; 916 } 917 } 918 } 919 920 u64 rtl8821ae_get_desc(struct ieee80211_hw *hw, 921 u8 *pdesc8, bool istx, u8 desc_name) 922 { 923 u32 ret = 0; 924 __le32 *pdesc = (__le32 *)pdesc8; 925 926 if (istx) { 927 switch (desc_name) { 928 case HW_DESC_OWN: 929 ret = get_tx_desc_own(pdesc); 930 break; 931 case HW_DESC_TXBUFF_ADDR: 932 ret = get_tx_desc_tx_buffer_address(pdesc); 933 break; 934 default: 935 WARN_ONCE(true, 936 "rtl8821ae: ERR txdesc :%d not processed\n", 937 desc_name); 938 break; 939 } 940 } else { 941 switch (desc_name) { 942 case HW_DESC_OWN: 943 ret = get_rx_desc_own(pdesc); 944 break; 945 case HW_DESC_RXPKT_LEN: 946 ret = get_rx_desc_pkt_len(pdesc); 947 break; 948 case HW_DESC_RXBUFF_ADDR: 949 ret = get_rx_desc_buff_addr(pdesc); 950 break; 951 default: 952 WARN_ONCE(true, 953 "rtl8821ae: ERR rxdesc :%d not processed\n", 954 desc_name); 955 break; 956 } 957 } 958 return ret; 959 } 960 961 bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw, 962 u8 hw_queue, u16 index) 963 { 964 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 965 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 966 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 967 u8 own = (u8)rtl8821ae_get_desc(hw, entry, true, HW_DESC_OWN); 968 969 /** 970 *beacon packet will only use the first 971 *descriptor defautly,and the own may not 972 *be cleared by the hardware 973 */ 974 if (own) 975 return false; 976 return true; 977 } 978 979 void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 980 { 981 struct rtl_priv *rtlpriv = rtl_priv(hw); 982 983 if (hw_queue == BEACON_QUEUE) { 984 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 985 } else { 986 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 987 BIT(0) << (hw_queue)); 988 } 989 } 990