1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2010 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 * The full GNU General Public License is included in this distribution in the 15 * file called LICENSE. 16 * 17 * Contact Information: 18 * wlanfae <wlanfae@realtek.com> 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 20 * Hsinchu 300, Taiwan. 21 * 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 *****************************************************************************/ 25 26 #include "../wifi.h" 27 #include "../pci.h" 28 #include "../base.h" 29 #include "../stats.h" 30 #include "reg.h" 31 #include "def.h" 32 #include "phy.h" 33 #include "trx.h" 34 #include "led.h" 35 #include "dm.h" 36 #include "phy.h" 37 #include "fw.h" 38 39 static u8 _rtl8821ae_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) || ieee80211_is_ctl(fc)) 46 return QSLT_MGNT; 47 48 return skb->priority; 49 } 50 51 static u16 odm_cfo(s8 value) 52 { 53 int ret_val; 54 55 if (value < 0) { 56 ret_val = 0 - value; 57 ret_val = (ret_val << 1) + (ret_val >> 1); 58 /* set bit12 as 1 for negative cfo */ 59 ret_val = ret_val | BIT(12); 60 } else { 61 ret_val = value; 62 ret_val = (ret_val << 1) + (ret_val >> 1); 63 } 64 return ret_val; 65 } 66 67 static u8 _rtl8821ae_evm_dbm_jaguar(s8 value) 68 { 69 s8 ret_val = value; 70 71 /* -33dB~0dB to 33dB ~ 0dB*/ 72 if (ret_val == -128) 73 ret_val = 127; 74 else if (ret_val < 0) 75 ret_val = 0 - ret_val; 76 77 ret_val = ret_val >> 1; 78 return ret_val; 79 } 80 81 static void query_rxphystatus(struct ieee80211_hw *hw, 82 struct rtl_stats *pstatus, u8 *pdesc, 83 struct rx_fwinfo_8821ae *p_drvinfo, 84 bool bpacket_match_bssid, 85 bool bpacket_toself, bool packet_beacon) 86 { 87 struct rtl_priv *rtlpriv = rtl_priv(hw); 88 struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo; 89 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); 90 struct rtl_phy *rtlphy = &rtlpriv->phy; 91 s8 rx_pwr_all = 0, rx_pwr[4]; 92 u8 rf_rx_num = 0, evm, evmdbm, pwdb_all; 93 u8 i, max_spatial_stream; 94 u32 rssi, total_rssi = 0; 95 bool is_cck = pstatus->is_cck; 96 u8 lan_idx, vga_idx; 97 98 /* Record it for next packet processing */ 99 pstatus->packet_matchbssid = bpacket_match_bssid; 100 pstatus->packet_toself = bpacket_toself; 101 pstatus->packet_beacon = packet_beacon; 102 pstatus->rx_mimo_signalquality[0] = -1; 103 pstatus->rx_mimo_signalquality[1] = -1; 104 105 if (is_cck) { 106 u8 cck_highpwr; 107 u8 cck_agc_rpt; 108 109 cck_agc_rpt = p_phystrpt->cfosho[0]; 110 111 /* (1)Hardware does not provide RSSI for CCK 112 * (2)PWDB, Average PWDB cacluated by 113 * hardware (for rate adaptive) 114 */ 115 cck_highpwr = (u8)rtlphy->cck_high_power; 116 117 lan_idx = ((cck_agc_rpt & 0xE0) >> 5); 118 vga_idx = (cck_agc_rpt & 0x1f); 119 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) { 120 switch (lan_idx) { 121 case 7: 122 if (vga_idx <= 27) 123 /*VGA_idx = 27~2*/ 124 rx_pwr_all = -100 + 2*(27-vga_idx); 125 else 126 rx_pwr_all = -100; 127 break; 128 case 6: 129 /*VGA_idx = 2~0*/ 130 rx_pwr_all = -48 + 2*(2-vga_idx); 131 break; 132 case 5: 133 /*VGA_idx = 7~5*/ 134 rx_pwr_all = -42 + 2*(7-vga_idx); 135 break; 136 case 4: 137 /*VGA_idx = 7~4*/ 138 rx_pwr_all = -36 + 2*(7-vga_idx); 139 break; 140 case 3: 141 /*VGA_idx = 7~0*/ 142 rx_pwr_all = -24 + 2*(7-vga_idx); 143 break; 144 case 2: 145 if (cck_highpwr) 146 /*VGA_idx = 5~0*/ 147 rx_pwr_all = -12 + 2*(5-vga_idx); 148 else 149 rx_pwr_all = -6 + 2*(5-vga_idx); 150 break; 151 case 1: 152 rx_pwr_all = 8-2*vga_idx; 153 break; 154 case 0: 155 rx_pwr_all = 14-2*vga_idx; 156 break; 157 default: 158 break; 159 } 160 rx_pwr_all += 6; 161 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 162 if (!cck_highpwr) { 163 if (pwdb_all >= 80) 164 pwdb_all = 165 ((pwdb_all - 80)<<1) + 166 ((pwdb_all - 80)>>1) + 80; 167 else if ((pwdb_all <= 78) && (pwdb_all >= 20)) 168 pwdb_all += 3; 169 if (pwdb_all > 100) 170 pwdb_all = 100; 171 } 172 } else { /* 8821 */ 173 s8 pout = -6; 174 175 switch (lan_idx) { 176 case 5: 177 rx_pwr_all = pout - 32 - (2*vga_idx); 178 break; 179 case 4: 180 rx_pwr_all = pout - 24 - (2*vga_idx); 181 break; 182 case 2: 183 rx_pwr_all = pout - 11 - (2*vga_idx); 184 break; 185 case 1: 186 rx_pwr_all = pout + 5 - (2*vga_idx); 187 break; 188 case 0: 189 rx_pwr_all = pout + 21 - (2*vga_idx); 190 break; 191 } 192 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 193 } 194 195 pstatus->rx_pwdb_all = pwdb_all; 196 pstatus->recvsignalpower = rx_pwr_all; 197 198 /* (3) Get Signal Quality (EVM) */ 199 if (bpacket_match_bssid) { 200 u8 sq; 201 202 if (pstatus->rx_pwdb_all > 40) { 203 sq = 100; 204 } else { 205 sq = p_phystrpt->pwdb_all; 206 if (sq > 64) 207 sq = 0; 208 else if (sq < 20) 209 sq = 100; 210 else 211 sq = ((64 - sq) * 100) / 44; 212 } 213 214 pstatus->signalquality = sq; 215 pstatus->rx_mimo_signalquality[0] = sq; 216 pstatus->rx_mimo_signalquality[1] = -1; 217 } 218 } else { 219 /* (1)Get RSSI for HT rate */ 220 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 221 /* we will judge RF RX path now. */ 222 if (rtlpriv->dm.rfpath_rxenable[i]) 223 rf_rx_num++; 224 225 rx_pwr[i] = (p_phystrpt->gain_trsw[i] & 0x7f) - 110; 226 227 /* Translate DBM to percentage. */ 228 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 229 total_rssi += rssi; 230 231 /* Get Rx snr value in DB */ 232 pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2; 233 rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2; 234 235 pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]); 236 pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]); 237 /* Record Signal Strength for next packet */ 238 pstatus->rx_mimo_signalstrength[i] = (u8)rssi; 239 } 240 241 /* (2)PWDB, Average PWDB cacluated by 242 * hardware (for rate adaptive) 243 */ 244 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; 245 246 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 247 pstatus->rx_pwdb_all = pwdb_all; 248 pstatus->rxpower = rx_pwr_all; 249 pstatus->recvsignalpower = rx_pwr_all; 250 251 /* (3)EVM of HT rate */ 252 if ((pstatus->is_ht && pstatus->rate >= DESC_RATEMCS8 && 253 pstatus->rate <= DESC_RATEMCS15) || 254 (pstatus->is_vht && 255 pstatus->rate >= DESC_RATEVHT2SS_MCS0 && 256 pstatus->rate <= DESC_RATEVHT2SS_MCS9)) 257 max_spatial_stream = 2; 258 else 259 max_spatial_stream = 1; 260 261 for (i = 0; i < max_spatial_stream; i++) { 262 evm = rtl_evm_db_to_percentage(p_phystrpt->rxevm[i]); 263 evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]); 264 265 if (bpacket_match_bssid) { 266 /* Fill value in RFD, Get the first 267 * spatial stream only 268 */ 269 if (i == 0) 270 pstatus->signalquality = evm; 271 pstatus->rx_mimo_signalquality[i] = evm; 272 pstatus->rx_mimo_evm_dbm[i] = evmdbm; 273 } 274 } 275 if (bpacket_match_bssid) { 276 for (i = RF90_PATH_A; i <= RF90_PATH_B; i++) 277 rtl_priv(hw)->dm.cfo_tail[i] = 278 (s8)p_phystrpt->cfotail[i]; 279 280 rtl_priv(hw)->dm.packet_count++; 281 } 282 } 283 284 /* UI BSS List signal strength(in percentage), 285 * make it good looking, from 0~100. 286 */ 287 if (is_cck) 288 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 289 pwdb_all)); 290 else if (rf_rx_num != 0) 291 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 292 total_rssi /= rf_rx_num)); 293 /*HW antenna diversity*/ 294 rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->antidx_anta; 295 rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb; 296 } 297 298 static void translate_rx_signal_stuff(struct ieee80211_hw *hw, 299 struct sk_buff *skb, 300 struct rtl_stats *pstatus, u8 *pdesc, 301 struct rx_fwinfo_8821ae *p_drvinfo) 302 { 303 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 304 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 305 struct ieee80211_hdr *hdr; 306 u8 *tmp_buf; 307 u8 *praddr; 308 u8 *psaddr; 309 __le16 fc; 310 u16 type; 311 bool packet_matchbssid, packet_toself, packet_beacon; 312 313 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; 314 315 hdr = (struct ieee80211_hdr *)tmp_buf; 316 fc = hdr->frame_control; 317 type = WLAN_FC_GET_TYPE(hdr->frame_control); 318 praddr = hdr->addr1; 319 psaddr = ieee80211_get_SA(hdr); 320 ether_addr_copy(pstatus->psaddr, psaddr); 321 322 packet_matchbssid = (!ieee80211_is_ctl(fc) && 323 (ether_addr_equal(mac->bssid, 324 ieee80211_has_tods(fc) ? 325 hdr->addr1 : 326 ieee80211_has_fromds(fc) ? 327 hdr->addr2 : hdr->addr3)) && 328 (!pstatus->hwerror) && 329 (!pstatus->crc) && (!pstatus->icv)); 330 331 packet_toself = packet_matchbssid && 332 (ether_addr_equal(praddr, rtlefuse->dev_addr)); 333 334 if (ieee80211_is_beacon(hdr->frame_control)) 335 packet_beacon = true; 336 else 337 packet_beacon = false; 338 339 if (packet_beacon && packet_matchbssid) 340 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; 341 342 if (packet_matchbssid && 343 ieee80211_is_data_qos(hdr->frame_control) && 344 !is_multicast_ether_addr(ieee80211_get_DA(hdr))) { 345 struct ieee80211_qos_hdr *hdr_qos = 346 (struct ieee80211_qos_hdr *)tmp_buf; 347 u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf; 348 349 if (tid != 0 && tid != 3) 350 rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++; 351 } 352 353 query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, 354 packet_matchbssid, packet_toself, 355 packet_beacon); 356 /*_rtl8821ae_smart_antenna(hw, pstatus); */ 357 rtl_process_phyinfo(hw, tmp_buf, pstatus); 358 } 359 360 static void _rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 361 u8 *virtualaddress) 362 { 363 u32 dwtmp = 0; 364 365 memset(virtualaddress, 0, 8); 366 367 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); 368 if (ptcb_desc->empkt_num == 1) { 369 dwtmp = ptcb_desc->empkt_len[0]; 370 } else { 371 dwtmp = ptcb_desc->empkt_len[0]; 372 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 373 dwtmp += ptcb_desc->empkt_len[1]; 374 } 375 SET_EARLYMODE_LEN0(virtualaddress, dwtmp); 376 377 if (ptcb_desc->empkt_num <= 3) { 378 dwtmp = ptcb_desc->empkt_len[2]; 379 } else { 380 dwtmp = ptcb_desc->empkt_len[2]; 381 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 382 dwtmp += ptcb_desc->empkt_len[3]; 383 } 384 SET_EARLYMODE_LEN1(virtualaddress, dwtmp); 385 if (ptcb_desc->empkt_num <= 5) { 386 dwtmp = ptcb_desc->empkt_len[4]; 387 } else { 388 dwtmp = ptcb_desc->empkt_len[4]; 389 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 390 dwtmp += ptcb_desc->empkt_len[5]; 391 } 392 SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF); 393 SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4); 394 if (ptcb_desc->empkt_num <= 7) { 395 dwtmp = ptcb_desc->empkt_len[6]; 396 } else { 397 dwtmp = ptcb_desc->empkt_len[6]; 398 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 399 dwtmp += ptcb_desc->empkt_len[7]; 400 } 401 SET_EARLYMODE_LEN3(virtualaddress, dwtmp); 402 if (ptcb_desc->empkt_num <= 9) { 403 dwtmp = ptcb_desc->empkt_len[8]; 404 } else { 405 dwtmp = ptcb_desc->empkt_len[8]; 406 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4; 407 dwtmp += ptcb_desc->empkt_len[9]; 408 } 409 SET_EARLYMODE_LEN4(virtualaddress, dwtmp); 410 } 411 412 static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, u8 *pdesc) 413 { 414 struct rtl_priv *rtlpriv = rtl_priv(hw); 415 u8 rx_rate = 0; 416 417 rx_rate = GET_RX_DESC_RXMCS(pdesc); 418 419 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); 420 421 if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15)) 422 return true; 423 return false; 424 } 425 426 static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, u8 *pdesc) 427 { 428 struct rtl_priv *rtlpriv = rtl_priv(hw); 429 u8 rx_rate = 0; 430 431 rx_rate = GET_RX_DESC_RXMCS(pdesc); 432 433 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); 434 435 if (rx_rate >= DESC_RATEVHT1SS_MCS0) 436 return true; 437 return false; 438 } 439 440 static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, u8 *pdesc) 441 { 442 u8 rx_rate = 0; 443 u8 vht_nss = 0; 444 445 rx_rate = GET_RX_DESC_RXMCS(pdesc); 446 if ((rx_rate >= DESC_RATEVHT1SS_MCS0) && 447 (rx_rate <= DESC_RATEVHT1SS_MCS9)) 448 vht_nss = 1; 449 else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) && 450 (rx_rate <= DESC_RATEVHT2SS_MCS9)) 451 vht_nss = 2; 452 453 return vht_nss; 454 } 455 456 bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw, 457 struct rtl_stats *status, 458 struct ieee80211_rx_status *rx_status, 459 u8 *pdesc, struct sk_buff *skb) 460 { 461 struct rtl_priv *rtlpriv = rtl_priv(hw); 462 struct rx_fwinfo_8821ae *p_drvinfo; 463 struct ieee80211_hdr *hdr; 464 465 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 466 467 status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc); 468 status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 469 RX_DRV_INFO_SIZE_UNIT; 470 status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03); 471 status->icv = (u16)GET_RX_DESC_ICV(pdesc); 472 status->crc = (u16)GET_RX_DESC_CRC32(pdesc); 473 status->hwerror = (status->crc | status->icv); 474 status->decrypted = !GET_RX_DESC_SWDEC(pdesc); 475 status->rate = (u8)GET_RX_DESC_RXMCS(pdesc); 476 status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc); 477 status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1); 478 status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1); 479 status->timestamp_low = GET_RX_DESC_TSFL(pdesc); 480 status->rx_packet_bw = GET_RX_DESC_BW(pdesc); 481 status->macid = GET_RX_DESC_MACID(pdesc); 482 status->is_short_gi = !(bool)GET_RX_DESC_SPLCP(pdesc); 483 status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc); 484 status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc); 485 status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc); 486 status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate); 487 488 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, 489 "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n", 490 (status->rx_packet_bw == 2) ? "80M" : 491 (status->rx_packet_bw == 1) ? "40M" : "20M", 492 status->is_ht, status->is_vht, status->vht_nss, 493 status->is_short_gi); 494 495 if (GET_RX_STATUS_DESC_RPT_SEL(pdesc)) 496 status->packet_report_type = C2H_PACKET; 497 else 498 status->packet_report_type = NORMAL_RX; 499 500 if (GET_RX_STATUS_DESC_PATTERN_MATCH(pdesc)) 501 status->wake_match = BIT(2); 502 else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc)) 503 status->wake_match = BIT(1); 504 else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc)) 505 status->wake_match = BIT(0); 506 else 507 status->wake_match = 0; 508 509 if (status->wake_match) 510 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, 511 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n", 512 status->wake_match); 513 rx_status->freq = hw->conf.chandef.chan->center_freq; 514 rx_status->band = hw->conf.chandef.chan->band; 515 516 hdr = (struct ieee80211_hdr *)(skb->data + 517 status->rx_drvinfo_size + status->rx_bufshift); 518 519 if (status->crc) 520 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 521 522 if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40) 523 rx_status->bw = RATE_INFO_BW_40; 524 else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80) 525 rx_status->bw = RATE_INFO_BW_80; 526 if (status->is_ht) 527 rx_status->encoding = RX_ENC_HT; 528 if (status->is_vht) 529 rx_status->encoding = RX_ENC_VHT; 530 531 if (status->is_short_gi) 532 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 533 534 rx_status->nss = status->vht_nss; 535 rx_status->flag |= RX_FLAG_MACTIME_START; 536 537 /* hw will set status->decrypted true, if it finds the 538 * frame is open data frame or mgmt frame. 539 * So hw will not decryption robust managment frame 540 * for IEEE80211w but still set status->decrypted 541 * true, so here we should set it back to undecrypted 542 * for IEEE80211w frame, and mac80211 sw will help 543 * to decrypt it 544 */ 545 if (status->decrypted) { 546 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) && 547 (ieee80211_has_protected(hdr->frame_control))) 548 rx_status->flag |= RX_FLAG_DECRYPTED; 549 else 550 rx_status->flag &= ~RX_FLAG_DECRYPTED; 551 } 552 553 /* rate_idx: index of data rate into band's 554 * supported rates or MCS index if HT rates 555 * are use (RX_FLAG_HT) 556 */ 557 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, 558 status->is_vht, 559 status->rate); 560 561 rx_status->mactime = status->timestamp_low; 562 if (phystatus) { 563 p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data + 564 status->rx_bufshift); 565 566 translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo); 567 } 568 rx_status->signal = status->recvsignalpower + 10; 569 if (status->packet_report_type == TX_REPORT2) { 570 status->macid_valid_entry[0] = 571 GET_RX_RPT2_DESC_MACID_VALID_1(pdesc); 572 status->macid_valid_entry[1] = 573 GET_RX_RPT2_DESC_MACID_VALID_2(pdesc); 574 } 575 return true; 576 } 577 578 static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw, 579 struct rtl_tcb_desc *ptcb_desc) 580 { 581 struct rtl_priv *rtlpriv = rtl_priv(hw); 582 struct rtl_phy *rtlphy = &rtlpriv->phy; 583 u8 bw_setting_of_desc = 0; 584 585 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 586 "rtl8821ae_bw_mapping, current_chan_bw %d, packet_bw %d\n", 587 rtlphy->current_chan_bw, ptcb_desc->packet_bw); 588 589 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 590 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) 591 bw_setting_of_desc = 2; 592 else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) 593 bw_setting_of_desc = 1; 594 else 595 bw_setting_of_desc = 0; 596 } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { 597 if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) || 598 (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)) 599 bw_setting_of_desc = 1; 600 else 601 bw_setting_of_desc = 0; 602 } else { 603 bw_setting_of_desc = 0; 604 } 605 return bw_setting_of_desc; 606 } 607 608 static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw, 609 struct rtl_tcb_desc *ptcb_desc) 610 { 611 struct rtl_priv *rtlpriv = rtl_priv(hw); 612 struct rtl_phy *rtlphy = &rtlpriv->phy; 613 struct rtl_mac *mac = rtl_mac(rtlpriv); 614 u8 sc_setting_of_desc = 0; 615 616 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 617 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) { 618 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 619 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 620 if (mac->cur_80_prime_sc == 621 HAL_PRIME_CHNL_OFFSET_LOWER) 622 sc_setting_of_desc = 623 VHT_DATA_SC_40_LOWER_OF_80MHZ; 624 else if (mac->cur_80_prime_sc == 625 HAL_PRIME_CHNL_OFFSET_UPPER) 626 sc_setting_of_desc = 627 VHT_DATA_SC_40_UPPER_OF_80MHZ; 628 else 629 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 630 "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n"); 631 } else { 632 if ((mac->cur_40_prime_sc == 633 HAL_PRIME_CHNL_OFFSET_LOWER) && 634 (mac->cur_80_prime_sc == 635 HAL_PRIME_CHNL_OFFSET_LOWER)) 636 sc_setting_of_desc = 637 VHT_DATA_SC_20_LOWEST_OF_80MHZ; 638 else if ((mac->cur_40_prime_sc == 639 HAL_PRIME_CHNL_OFFSET_UPPER) && 640 (mac->cur_80_prime_sc == 641 HAL_PRIME_CHNL_OFFSET_LOWER)) 642 sc_setting_of_desc = 643 VHT_DATA_SC_20_LOWER_OF_80MHZ; 644 else if ((mac->cur_40_prime_sc == 645 HAL_PRIME_CHNL_OFFSET_LOWER) && 646 (mac->cur_80_prime_sc == 647 HAL_PRIME_CHNL_OFFSET_UPPER)) 648 sc_setting_of_desc = 649 VHT_DATA_SC_20_UPPER_OF_80MHZ; 650 else if ((mac->cur_40_prime_sc == 651 HAL_PRIME_CHNL_OFFSET_UPPER) && 652 (mac->cur_80_prime_sc == 653 HAL_PRIME_CHNL_OFFSET_UPPER)) 654 sc_setting_of_desc = 655 VHT_DATA_SC_20_UPPERST_OF_80MHZ; 656 else 657 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, 658 "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n"); 659 } 660 } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { 661 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 662 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 663 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) { 664 if (mac->cur_40_prime_sc == 665 HAL_PRIME_CHNL_OFFSET_UPPER) { 666 sc_setting_of_desc = 667 VHT_DATA_SC_20_UPPER_OF_80MHZ; 668 } else if (mac->cur_40_prime_sc == 669 HAL_PRIME_CHNL_OFFSET_LOWER){ 670 sc_setting_of_desc = 671 VHT_DATA_SC_20_LOWER_OF_80MHZ; 672 } else { 673 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 674 } 675 } 676 } else { 677 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE; 678 } 679 680 return sc_setting_of_desc; 681 } 682 683 void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw, 684 struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd, 685 struct ieee80211_tx_info *info, 686 struct ieee80211_sta *sta, 687 struct sk_buff *skb, 688 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 689 { 690 struct rtl_priv *rtlpriv = rtl_priv(hw); 691 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 692 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 693 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 694 struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb); 695 u8 *pdesc = (u8 *)pdesc_tx; 696 u16 seq_number; 697 __le16 fc = hdr->frame_control; 698 unsigned int buf_len = 0; 699 unsigned int skb_len = skb->len; 700 u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue); 701 bool firstseg = ((hdr->seq_ctrl & 702 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 703 bool lastseg = ((hdr->frame_control & 704 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 705 dma_addr_t mapping; 706 u8 short_gi = 0; 707 708 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 709 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 710 /* reserve 8 byte for AMPDU early mode */ 711 if (rtlhal->earlymode_enable) { 712 skb_push(skb, EM_HDR_LEN); 713 memset(skb->data, 0, EM_HDR_LEN); 714 } 715 buf_len = skb->len; 716 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, 717 PCI_DMA_TODEVICE); 718 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 719 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 720 "DMA mapping error\n"); 721 return; 722 } 723 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae)); 724 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 725 firstseg = true; 726 lastseg = true; 727 } 728 if (firstseg) { 729 if (rtlhal->earlymode_enable) { 730 SET_TX_DESC_PKT_OFFSET(pdesc, 1); 731 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + 732 EM_HDR_LEN); 733 if (ptcb_desc->empkt_num) { 734 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 735 "Insert 8 byte.pTcb->EMPktNum:%d\n", 736 ptcb_desc->empkt_num); 737 _rtl8821ae_insert_emcontent(ptcb_desc, 738 (u8 *)(skb->data)); 739 } 740 } else { 741 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 742 } 743 744 745 /* ptcb_desc->use_driver_rate = true; */ 746 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); 747 if (ptcb_desc->hw_rate > DESC_RATEMCS0) 748 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0; 749 else 750 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0; 751 752 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi); 753 754 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 755 SET_TX_DESC_AGG_ENABLE(pdesc, 1); 756 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x1f); 757 } 758 SET_TX_DESC_SEQ(pdesc, seq_number); 759 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && 760 !ptcb_desc->cts_enable) ? 1 : 0)); 761 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0); 762 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 763 764 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); 765 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); 766 SET_TX_DESC_RTS_SHORT(pdesc, 767 ((ptcb_desc->rts_rate <= DESC_RATE54M) ? 768 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 769 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 770 771 if (ptcb_desc->tx_enable_sw_calc_duration) 772 SET_TX_DESC_NAV_USE_HDR(pdesc, 1); 773 774 SET_TX_DESC_DATA_BW(pdesc, 775 rtl8821ae_bw_mapping(hw, ptcb_desc)); 776 777 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 778 rtl8821ae_sc_mapping(hw, ptcb_desc)); 779 780 SET_TX_DESC_LINIP(pdesc, 0); 781 SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb_len); 782 if (sta) { 783 u8 ampdu_density = sta->ht_cap.ampdu_density; 784 785 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 786 } 787 if (info->control.hw_key) { 788 struct ieee80211_key_conf *keyconf = 789 info->control.hw_key; 790 switch (keyconf->cipher) { 791 case WLAN_CIPHER_SUITE_WEP40: 792 case WLAN_CIPHER_SUITE_WEP104: 793 case WLAN_CIPHER_SUITE_TKIP: 794 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 795 break; 796 case WLAN_CIPHER_SUITE_CCMP: 797 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 798 break; 799 default: 800 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 801 break; 802 } 803 } 804 805 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 806 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 807 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 808 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 809 1 : 0); 810 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 811 812 if (ieee80211_is_data_qos(fc)) { 813 if (mac->rdg_en) { 814 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 815 "Enable RDG function.\n"); 816 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 817 SET_TX_DESC_HTC(pdesc, 1); 818 } 819 } 820 /* tx report */ 821 rtl_set_tx_report(ptcb_desc, pdesc, hw, tx_info); 822 } 823 824 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 825 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 826 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)buf_len); 827 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 828 /* if (rtlpriv->dm.useramask) { */ 829 if (1) { 830 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); 831 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); 832 } else { 833 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); 834 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); 835 } 836 if (!ieee80211_is_data_qos(fc)) { 837 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 838 SET_TX_DESC_HWSEQ_SEL(pdesc, 0); 839 } 840 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 841 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 842 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 843 SET_TX_DESC_BMC(pdesc, 1); 844 } 845 846 rtl8821ae_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id); 847 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 848 } 849 850 void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw, 851 u8 *pdesc, bool firstseg, 852 bool lastseg, struct sk_buff *skb) 853 { 854 struct rtl_priv *rtlpriv = rtl_priv(hw); 855 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 856 u8 fw_queue = QSLT_BEACON; 857 858 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 859 skb->data, skb->len, 860 PCI_DMA_TODEVICE); 861 862 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 863 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 864 "DMA mapping error\n"); 865 return; 866 } 867 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); 868 869 SET_TX_DESC_FIRST_SEG(pdesc, 1); 870 SET_TX_DESC_LAST_SEG(pdesc, 1); 871 872 SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len)); 873 874 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 875 876 SET_TX_DESC_USE_RATE(pdesc, 1); 877 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 878 SET_TX_DESC_DISABLE_FB(pdesc, 1); 879 880 SET_TX_DESC_DATA_BW(pdesc, 0); 881 882 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 883 884 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 885 886 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); 887 888 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 889 890 SET_TX_DESC_MACID(pdesc, 0); 891 892 SET_TX_DESC_OWN(pdesc, 1); 893 894 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 895 "H2C Tx Cmd Content\n", 896 pdesc, TX_DESC_SIZE); 897 } 898 899 void rtl8821ae_set_desc(struct ieee80211_hw *hw, u8 *pdesc, 900 bool istx, u8 desc_name, u8 *val) 901 { 902 if (istx) { 903 switch (desc_name) { 904 case HW_DESC_OWN: 905 SET_TX_DESC_OWN(pdesc, 1); 906 break; 907 case HW_DESC_TX_NEXTDESC_ADDR: 908 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val); 909 break; 910 default: 911 WARN_ONCE(true, 912 "rtl8821ae: ERR txdesc :%d not processed\n", 913 desc_name); 914 break; 915 } 916 } else { 917 switch (desc_name) { 918 case HW_DESC_RXOWN: 919 SET_RX_DESC_OWN(pdesc, 1); 920 break; 921 case HW_DESC_RXBUFF_ADDR: 922 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val); 923 break; 924 case HW_DESC_RXPKT_LEN: 925 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val); 926 break; 927 case HW_DESC_RXERO: 928 SET_RX_DESC_EOR(pdesc, 1); 929 break; 930 default: 931 WARN_ONCE(true, 932 "rtl8821ae: ERR rxdesc :%d not processed\n", 933 desc_name); 934 break; 935 } 936 } 937 } 938 939 u64 rtl8821ae_get_desc(struct ieee80211_hw *hw, 940 u8 *pdesc, bool istx, u8 desc_name) 941 { 942 u32 ret = 0; 943 944 if (istx) { 945 switch (desc_name) { 946 case HW_DESC_OWN: 947 ret = GET_TX_DESC_OWN(pdesc); 948 break; 949 case HW_DESC_TXBUFF_ADDR: 950 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc); 951 break; 952 default: 953 WARN_ONCE(true, 954 "rtl8821ae: ERR txdesc :%d not processed\n", 955 desc_name); 956 break; 957 } 958 } else { 959 switch (desc_name) { 960 case HW_DESC_OWN: 961 ret = GET_RX_DESC_OWN(pdesc); 962 break; 963 case HW_DESC_RXPKT_LEN: 964 ret = GET_RX_DESC_PKT_LEN(pdesc); 965 break; 966 case HW_DESC_RXBUFF_ADDR: 967 ret = GET_RX_DESC_BUFF_ADDR(pdesc); 968 break; 969 default: 970 WARN_ONCE(true, 971 "rtl8821ae: ERR rxdesc :%d not processed\n", 972 desc_name); 973 break; 974 } 975 } 976 return ret; 977 } 978 979 bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw, 980 u8 hw_queue, u16 index) 981 { 982 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 983 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 984 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 985 u8 own = (u8)rtl8821ae_get_desc(hw, entry, true, HW_DESC_OWN); 986 987 /** 988 *beacon packet will only use the first 989 *descriptor defautly,and the own may not 990 *be cleared by the hardware 991 */ 992 if (own) 993 return false; 994 return true; 995 } 996 997 void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 998 { 999 struct rtl_priv *rtlpriv = rtl_priv(hw); 1000 1001 if (hw_queue == BEACON_QUEUE) { 1002 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 1003 } else { 1004 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 1005 BIT(0) << (hw_queue)); 1006 } 1007 } 1008