1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2013 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 15 static u8 _rtl88ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 16 { 17 __le16 fc = rtl_get_fc(skb); 18 19 if (unlikely(ieee80211_is_beacon(fc))) 20 return QSLT_BEACON; 21 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) 22 return QSLT_MGNT; 23 24 return skb->priority; 25 } 26 27 static void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw, 28 struct rtl_stats *pstatus, __le32 *pdesc, 29 struct rx_fwinfo_88e *p_drvinfo, 30 bool bpacket_match_bssid, 31 bool bpacket_toself, bool packet_beacon) 32 { 33 struct rtl_priv *rtlpriv = rtl_priv(hw); 34 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 35 struct phy_sts_cck_8192s_t *cck_buf; 36 struct phy_status_rpt *phystrpt = 37 (struct phy_status_rpt *)p_drvinfo; 38 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); 39 s8 rx_pwr_all = 0, rx_pwr[4]; 40 u8 rf_rx_num = 0, evm, pwdb_all; 41 u8 i, max_spatial_stream; 42 u32 rssi, total_rssi = 0; 43 bool is_cck = pstatus->is_cck; 44 u8 lan_idx, vga_idx; 45 46 /* Record it for next packet processing */ 47 pstatus->packet_matchbssid = bpacket_match_bssid; 48 pstatus->packet_toself = bpacket_toself; 49 pstatus->packet_beacon = packet_beacon; 50 pstatus->rx_mimo_signalquality[0] = -1; 51 pstatus->rx_mimo_signalquality[1] = -1; 52 53 if (is_cck) { 54 u8 cck_highpwr; 55 u8 cck_agc_rpt; 56 /* CCK Driver info Structure is not the same as OFDM packet. */ 57 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; 58 cck_agc_rpt = cck_buf->cck_agc_rpt; 59 60 /* (1)Hardware does not provide RSSI for CCK 61 * (2)PWDB, Average PWDB calculated by 62 * hardware (for rate adaptive) 63 */ 64 if (ppsc->rfpwr_state == ERFON) 65 cck_highpwr = 66 (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, 67 BIT(9)); 68 else 69 cck_highpwr = false; 70 71 lan_idx = ((cck_agc_rpt & 0xE0) >> 5); 72 vga_idx = (cck_agc_rpt & 0x1f); 73 switch (lan_idx) { 74 case 7: 75 if (vga_idx <= 27) 76 /*VGA_idx = 27~2*/ 77 rx_pwr_all = -100 + 2*(27-vga_idx); 78 else 79 rx_pwr_all = -100; 80 break; 81 case 6: 82 /*VGA_idx = 2~0*/ 83 rx_pwr_all = -48 + 2*(2-vga_idx); 84 break; 85 case 5: 86 /*VGA_idx = 7~5*/ 87 rx_pwr_all = -42 + 2*(7-vga_idx); 88 break; 89 case 4: 90 /*VGA_idx = 7~4*/ 91 rx_pwr_all = -36 + 2*(7-vga_idx); 92 break; 93 case 3: 94 /*VGA_idx = 7~0*/ 95 rx_pwr_all = -24 + 2*(7-vga_idx); 96 break; 97 case 2: 98 if (cck_highpwr) 99 /*VGA_idx = 5~0*/ 100 rx_pwr_all = -12 + 2*(5-vga_idx); 101 else 102 rx_pwr_all = -6 + 2*(5-vga_idx); 103 break; 104 case 1: 105 rx_pwr_all = 8-2*vga_idx; 106 break; 107 case 0: 108 rx_pwr_all = 14-2*vga_idx; 109 break; 110 default: 111 break; 112 } 113 rx_pwr_all += 6; 114 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 115 /* CCK gain is smaller than OFDM/MCS gain, */ 116 /* so we add gain diff by experiences, the val is 6 */ 117 pwdb_all += 6; 118 if (pwdb_all > 100) 119 pwdb_all = 100; 120 /* modify the offset to make the same 121 * gain index with OFDM. 122 */ 123 if (pwdb_all > 34 && pwdb_all <= 42) 124 pwdb_all -= 2; 125 else if (pwdb_all > 26 && pwdb_all <= 34) 126 pwdb_all -= 6; 127 else if (pwdb_all > 14 && pwdb_all <= 26) 128 pwdb_all -= 8; 129 else if (pwdb_all > 4 && pwdb_all <= 14) 130 pwdb_all -= 4; 131 if (!cck_highpwr) { 132 if (pwdb_all >= 80) 133 pwdb_all = ((pwdb_all-80)<<1) + 134 ((pwdb_all-80)>>1) + 80; 135 else if ((pwdb_all <= 78) && (pwdb_all >= 20)) 136 pwdb_all += 3; 137 if (pwdb_all > 100) 138 pwdb_all = 100; 139 } 140 141 pstatus->rx_pwdb_all = pwdb_all; 142 pstatus->recvsignalpower = rx_pwr_all; 143 144 /* (3) Get Signal Quality (EVM) */ 145 if (bpacket_match_bssid) { 146 u8 sq; 147 148 if (pstatus->rx_pwdb_all > 40) 149 sq = 100; 150 else { 151 sq = cck_buf->sq_rpt; 152 if (sq > 64) 153 sq = 0; 154 else if (sq < 20) 155 sq = 100; 156 else 157 sq = ((64 - sq) * 100) / 44; 158 } 159 160 pstatus->signalquality = sq; 161 pstatus->rx_mimo_signalquality[0] = sq; 162 pstatus->rx_mimo_signalquality[1] = -1; 163 } 164 } else { 165 rtlpriv->dm.rfpath_rxenable[0] = 166 rtlpriv->dm.rfpath_rxenable[1] = true; 167 168 /* (1)Get RSSI for HT rate */ 169 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 170 /* we will judge RF RX path now. */ 171 if (rtlpriv->dm.rfpath_rxenable[i]) 172 rf_rx_num++; 173 174 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 175 0x3f) * 2) - 110; 176 177 /* Translate DBM to percentage. */ 178 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 179 total_rssi += rssi; 180 181 /* Get Rx snr value in DB */ 182 rtlpriv->stats.rx_snr_db[i] = 183 (long)(p_drvinfo->rxsnr[i] / 2); 184 185 /* Record Signal Strength for next packet */ 186 if (bpacket_match_bssid) 187 pstatus->rx_mimo_signalstrength[i] = (u8)rssi; 188 } 189 190 /* (2)PWDB, Average PWDB calculated by 191 * hardware (for rate adaptive) 192 */ 193 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; 194 195 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 196 pstatus->rx_pwdb_all = pwdb_all; 197 pstatus->rxpower = rx_pwr_all; 198 pstatus->recvsignalpower = rx_pwr_all; 199 200 /* (3)EVM of HT rate */ 201 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 && 202 pstatus->rate <= DESC92C_RATEMCS15) 203 max_spatial_stream = 2; 204 else 205 max_spatial_stream = 1; 206 207 for (i = 0; i < max_spatial_stream; i++) { 208 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); 209 210 if (bpacket_match_bssid) { 211 /* Fill value in RFD, Get the first 212 * spatial stream onlyi 213 */ 214 if (i == 0) 215 pstatus->signalquality = 216 (u8)(evm & 0xff); 217 pstatus->rx_mimo_signalquality[i] = 218 (u8)(evm & 0xff); 219 } 220 } 221 } 222 223 /* UI BSS List signal strength(in percentage), 224 * make it good looking, from 0~100. 225 */ 226 if (is_cck) 227 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 228 pwdb_all)); 229 else if (rf_rx_num != 0) 230 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 231 total_rssi /= rf_rx_num)); 232 /*HW antenna diversity*/ 233 rtldm->fat_table.antsel_rx_keep_0 = phystrpt->ant_sel; 234 rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b; 235 rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2; 236 } 237 238 static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw, 239 struct rtl_stats *pstatus) 240 { 241 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); 242 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 243 u8 antsel_tr_mux; 244 struct fast_ant_training *pfat_table = &rtldm->fat_table; 245 246 if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) { 247 if (pfat_table->fat_state == FAT_TRAINING_STATE) { 248 if (pstatus->packet_toself) { 249 antsel_tr_mux = 250 (pfat_table->antsel_rx_keep_2 << 2) | 251 (pfat_table->antsel_rx_keep_1 << 1) | 252 pfat_table->antsel_rx_keep_0; 253 pfat_table->ant_sum[antsel_tr_mux] += 254 pstatus->rx_pwdb_all; 255 pfat_table->ant_cnt[antsel_tr_mux]++; 256 } 257 } 258 } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) || 259 (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) { 260 if (pstatus->packet_toself || pstatus->packet_matchbssid) { 261 antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) | 262 (pfat_table->antsel_rx_keep_1 << 1) | 263 pfat_table->antsel_rx_keep_0; 264 rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, 265 pstatus->rx_pwdb_all); 266 } 267 268 } 269 } 270 271 static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw, 272 struct sk_buff *skb, 273 struct rtl_stats *pstatus, 274 __le32 *pdesc, 275 struct rx_fwinfo_88e *p_drvinfo) 276 { 277 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 278 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 279 struct ieee80211_hdr *hdr; 280 u8 *tmp_buf; 281 u8 *praddr; 282 u8 *psaddr; 283 __le16 fc; 284 bool packet_matchbssid, packet_toself, packet_beacon; 285 286 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; 287 288 hdr = (struct ieee80211_hdr *)tmp_buf; 289 fc = hdr->frame_control; 290 praddr = hdr->addr1; 291 psaddr = ieee80211_get_SA(hdr); 292 memcpy(pstatus->psaddr, psaddr, ETH_ALEN); 293 294 packet_matchbssid = ((!ieee80211_is_ctl(fc)) && 295 (ether_addr_equal(mac->bssid, ieee80211_has_tods(fc) ? 296 hdr->addr1 : ieee80211_has_fromds(fc) ? 297 hdr->addr2 : hdr->addr3)) && 298 (!pstatus->hwerror) && 299 (!pstatus->crc) && (!pstatus->icv)); 300 301 packet_toself = packet_matchbssid && 302 (ether_addr_equal(praddr, rtlefuse->dev_addr)); 303 304 if (ieee80211_is_beacon(hdr->frame_control)) 305 packet_beacon = true; 306 else 307 packet_beacon = false; 308 309 _rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, 310 packet_matchbssid, packet_toself, 311 packet_beacon); 312 _rtl88ee_smart_antenna(hw, pstatus); 313 rtl_process_phyinfo(hw, tmp_buf, pstatus); 314 } 315 316 static void rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 317 __le32 *virtualaddress) 318 { 319 u32 dwtmp = 0; 320 memset(virtualaddress, 0, 8); 321 322 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 323 if (ptcb_desc->empkt_num == 1) { 324 dwtmp = ptcb_desc->empkt_len[0]; 325 } else { 326 dwtmp = ptcb_desc->empkt_len[0]; 327 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4; 328 dwtmp += ptcb_desc->empkt_len[1]; 329 } 330 set_earlymode_len0(virtualaddress, dwtmp); 331 332 if (ptcb_desc->empkt_num <= 3) { 333 dwtmp = ptcb_desc->empkt_len[2]; 334 } else { 335 dwtmp = ptcb_desc->empkt_len[2]; 336 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4; 337 dwtmp += ptcb_desc->empkt_len[3]; 338 } 339 set_earlymode_len1(virtualaddress, dwtmp); 340 if (ptcb_desc->empkt_num <= 5) { 341 dwtmp = ptcb_desc->empkt_len[4]; 342 } else { 343 dwtmp = ptcb_desc->empkt_len[4]; 344 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4; 345 dwtmp += ptcb_desc->empkt_len[5]; 346 } 347 set_earlymode_len2_1(virtualaddress, dwtmp & 0xF); 348 set_earlymode_len2_2(virtualaddress, dwtmp >> 4); 349 if (ptcb_desc->empkt_num <= 7) { 350 dwtmp = ptcb_desc->empkt_len[6]; 351 } else { 352 dwtmp = ptcb_desc->empkt_len[6]; 353 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4; 354 dwtmp += ptcb_desc->empkt_len[7]; 355 } 356 set_earlymode_len3(virtualaddress, dwtmp); 357 if (ptcb_desc->empkt_num <= 9) { 358 dwtmp = ptcb_desc->empkt_len[8]; 359 } else { 360 dwtmp = ptcb_desc->empkt_len[8]; 361 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4; 362 dwtmp += ptcb_desc->empkt_len[9]; 363 } 364 set_earlymode_len4(virtualaddress, dwtmp); 365 } 366 367 bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw, 368 struct rtl_stats *status, 369 struct ieee80211_rx_status *rx_status, 370 u8 *pdesc8, struct sk_buff *skb) 371 { 372 struct rtl_priv *rtlpriv = rtl_priv(hw); 373 struct rx_fwinfo_88e *p_drvinfo; 374 struct ieee80211_hdr *hdr; 375 u8 wake_match; 376 __le32 *pdesc = (__le32 *)pdesc8; 377 u32 phystatus = get_rx_desc_physt(pdesc); 378 379 status->packet_report_type = (u8)get_rx_status_desc_rpt_sel(pdesc); 380 if (status->packet_report_type == TX_REPORT2) 381 status->length = (u16)get_rx_rpt2_desc_pkt_len(pdesc); 382 else 383 status->length = (u16)get_rx_desc_pkt_len(pdesc); 384 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 385 RX_DRV_INFO_SIZE_UNIT; 386 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 387 status->icv = (u16)get_rx_desc_icv(pdesc); 388 status->crc = (u16)get_rx_desc_crc32(pdesc); 389 status->hwerror = (status->crc | status->icv); 390 status->decrypted = !get_rx_desc_swdec(pdesc); 391 status->rate = (u8)get_rx_desc_rxmcs(pdesc); 392 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 393 status->isampdu = (bool) (get_rx_desc_paggr(pdesc) == 1); 394 status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && 395 (get_rx_desc_faggr(pdesc) == 1)); 396 if (status->packet_report_type == NORMAL_RX) 397 status->timestamp_low = get_rx_desc_tsfl(pdesc); 398 status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 399 status->is_ht = (bool)get_rx_desc_rxht(pdesc); 400 401 status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate); 402 403 status->macid = get_rx_desc_macid(pdesc); 404 if (get_rx_status_desc_pattern_match(pdesc)) 405 wake_match = BIT(2); 406 else if (get_rx_status_desc_magic_match(pdesc)) 407 wake_match = BIT(1); 408 else if (get_rx_status_desc_unicast_match(pdesc)) 409 wake_match = BIT(0); 410 else 411 wake_match = 0; 412 if (wake_match) 413 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, 414 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n", 415 wake_match); 416 rx_status->freq = hw->conf.chandef.chan->center_freq; 417 rx_status->band = hw->conf.chandef.chan->band; 418 419 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size 420 + status->rx_bufshift); 421 422 if (status->crc) 423 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 424 425 if (status->rx_is40mhzpacket) 426 rx_status->bw = RATE_INFO_BW_40; 427 428 if (status->is_ht) 429 rx_status->encoding = RX_ENC_HT; 430 431 rx_status->flag |= RX_FLAG_MACTIME_START; 432 433 /* hw will set status->decrypted true, if it finds the 434 * frame is open data frame or mgmt frame. 435 * So hw will not decryption robust managment frame 436 * for IEEE80211w but still set status->decrypted 437 * true, so here we should set it back to undecrypted 438 * for IEEE80211w frame, and mac80211 sw will help 439 * to decrypt it 440 */ 441 if (status->decrypted) { 442 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) && 443 (ieee80211_has_protected(hdr->frame_control))) 444 rx_status->flag |= RX_FLAG_DECRYPTED; 445 else 446 rx_status->flag &= ~RX_FLAG_DECRYPTED; 447 } 448 449 /* rate_idx: index of data rate into band's 450 * supported rates or MCS index if HT rates 451 * are use (RX_FLAG_HT) 452 * Notice: this is diff with windows define 453 */ 454 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, 455 false, status->rate); 456 457 rx_status->mactime = status->timestamp_low; 458 if (phystatus == true) { 459 p_drvinfo = (struct rx_fwinfo_88e *)(skb->data + 460 status->rx_bufshift); 461 462 _rtl88ee_translate_rx_signal_stuff(hw, 463 skb, status, pdesc, 464 p_drvinfo); 465 } 466 rx_status->signal = status->recvsignalpower + 10; 467 if (status->packet_report_type == TX_REPORT2) { 468 status->macid_valid_entry[0] = 469 get_rx_rpt2_desc_macid_valid_1(pdesc); 470 status->macid_valid_entry[1] = 471 get_rx_rpt2_desc_macid_valid_2(pdesc); 472 } 473 return true; 474 } 475 476 void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw, 477 struct ieee80211_hdr *hdr, u8 *pdesc8, 478 u8 *txbd, struct ieee80211_tx_info *info, 479 struct ieee80211_sta *sta, 480 struct sk_buff *skb, 481 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 482 483 { 484 struct rtl_priv *rtlpriv = rtl_priv(hw); 485 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 486 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 487 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 488 u16 seq_number; 489 __le16 fc = hdr->frame_control; 490 unsigned int buf_len = 0; 491 unsigned int skb_len = skb->len; 492 u8 fw_qsel = _rtl88ee_map_hwqueue_to_fwqueue(skb, hw_queue); 493 bool firstseg = ((hdr->seq_ctrl & 494 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 495 bool lastseg = ((hdr->frame_control & 496 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 497 dma_addr_t mapping; 498 u8 bw_40 = 0; 499 u8 short_gi = 0; 500 __le32 *pdesc = (__le32 *)pdesc8; 501 502 if (mac->opmode == NL80211_IFTYPE_STATION) { 503 bw_40 = mac->bw_40; 504 } else if (mac->opmode == NL80211_IFTYPE_AP || 505 mac->opmode == NL80211_IFTYPE_ADHOC) { 506 if (sta) 507 bw_40 = sta->deflink.ht_cap.cap & 508 IEEE80211_HT_CAP_SUP_WIDTH_20_40; 509 } 510 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 511 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 512 /* reserve 8 byte for AMPDU early mode */ 513 if (rtlhal->earlymode_enable) { 514 skb_push(skb, EM_HDR_LEN); 515 memset(skb->data, 0, EM_HDR_LEN); 516 } 517 buf_len = skb->len; 518 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len, 519 DMA_TO_DEVICE); 520 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 521 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 522 "DMA mapping error\n"); 523 return; 524 } 525 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_88e)); 526 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 527 firstseg = true; 528 lastseg = true; 529 } 530 if (firstseg) { 531 if (rtlhal->earlymode_enable) { 532 set_tx_desc_pkt_offset(pdesc, 1); 533 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 534 EM_HDR_LEN); 535 if (ptcb_desc->empkt_num) { 536 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 537 "Insert 8 byte.pTcb->EMPktNum:%d\n", 538 ptcb_desc->empkt_num); 539 rtl88ee_insert_emcontent(ptcb_desc, 540 (__le32 *)(skb->data)); 541 } 542 } else { 543 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 544 } 545 546 ptcb_desc->use_driver_rate = true; 547 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 548 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0) 549 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0; 550 else 551 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0; 552 553 set_tx_desc_data_shortgi(pdesc, short_gi); 554 555 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 556 set_tx_desc_agg_enable(pdesc, 1); 557 set_tx_desc_max_agg_num(pdesc, 0x14); 558 } 559 set_tx_desc_seq(pdesc, seq_number); 560 set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable && 561 !ptcb_desc->cts_enable) ? 1 : 0)); 562 set_tx_desc_hw_rts_enable(pdesc, 0); 563 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); 564 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); 565 566 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, 570 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ? 571 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 572 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 573 574 if (ptcb_desc->tx_enable_sw_calc_duration) 575 set_tx_desc_nav_use_hdr(pdesc, 1); 576 577 if (bw_40) { 578 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 579 set_tx_desc_data_bw(pdesc, 1); 580 set_tx_desc_tx_sub_carrier(pdesc, 3); 581 } else { 582 set_tx_desc_data_bw(pdesc, 0); 583 set_tx_desc_tx_sub_carrier(pdesc, 584 mac->cur_40_prime_sc); 585 } 586 } else { 587 set_tx_desc_data_bw(pdesc, 0); 588 set_tx_desc_tx_sub_carrier(pdesc, 0); 589 } 590 591 set_tx_desc_linip(pdesc, 0); 592 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 593 if (sta) { 594 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density; 595 set_tx_desc_ampdu_density(pdesc, ampdu_density); 596 } 597 if (info->control.hw_key) { 598 struct ieee80211_key_conf *keyconf; 599 600 keyconf = info->control.hw_key; 601 switch (keyconf->cipher) { 602 case WLAN_CIPHER_SUITE_WEP40: 603 case WLAN_CIPHER_SUITE_WEP104: 604 case WLAN_CIPHER_SUITE_TKIP: 605 set_tx_desc_sec_type(pdesc, 0x1); 606 break; 607 case WLAN_CIPHER_SUITE_CCMP: 608 set_tx_desc_sec_type(pdesc, 0x3); 609 break; 610 default: 611 set_tx_desc_sec_type(pdesc, 0x0); 612 break; 613 614 } 615 } 616 617 set_tx_desc_queue_sel(pdesc, fw_qsel); 618 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 619 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 620 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 621 1 : 0); 622 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 623 624 /*set_tx_desc_pwr_status(pdesc, pwr_status);*/ 625 /* Set TxRate and RTSRate in TxDesc */ 626 /* This prevent Tx initial rate of new-coming packets */ 627 /* from being overwritten by retried packet rate.*/ 628 if (!ptcb_desc->use_driver_rate) { 629 /*set_tx_desc_rts_rate(pdesc, 0x08); */ 630 /* set_tx_desc_tx_rate(pdesc, 0x0b); */ 631 } 632 if (ieee80211_is_data_qos(fc)) { 633 if (mac->rdg_en) { 634 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 635 "Enable RDG function.\n"); 636 set_tx_desc_rdg_enable(pdesc, 1); 637 set_tx_desc_htc(pdesc, 1); 638 } 639 } 640 } 641 642 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 643 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 644 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len); 645 set_tx_desc_tx_buffer_address(pdesc, mapping); 646 if (rtlpriv->dm.useramask) { 647 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 648 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 649 } else { 650 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 651 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index); 652 } 653 if (ieee80211_is_data_qos(fc)) 654 set_tx_desc_qos(pdesc, 1); 655 656 if (!ieee80211_is_data_qos(fc)) 657 set_tx_desc_hwseq_en(pdesc, 1); 658 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 659 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 660 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 661 set_tx_desc_bmc(pdesc, 1); 662 } 663 664 rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id); 665 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 666 } 667 668 void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8, 669 struct sk_buff *skb) 670 { 671 struct rtl_priv *rtlpriv = rtl_priv(hw); 672 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 673 u8 fw_queue = QSLT_BEACON; 674 __le32 *pdesc = (__le32 *)pdesc8; 675 676 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 677 __le16 fc = hdr->frame_control; 678 679 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 680 skb->len, DMA_TO_DEVICE); 681 682 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 683 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 684 "DMA mapping error\n"); 685 return; 686 } 687 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 688 689 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 690 691 set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M); 692 693 set_tx_desc_seq(pdesc, 0); 694 695 set_tx_desc_linip(pdesc, 0); 696 697 set_tx_desc_queue_sel(pdesc, fw_queue); 698 699 set_tx_desc_first_seg(pdesc, 1); 700 set_tx_desc_last_seg(pdesc, 1); 701 702 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len)); 703 704 set_tx_desc_tx_buffer_address(pdesc, mapping); 705 706 set_tx_desc_rate_id(pdesc, 7); 707 set_tx_desc_macid(pdesc, 0); 708 709 set_tx_desc_own(pdesc, 1); 710 711 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 712 713 set_tx_desc_first_seg(pdesc, 1); 714 set_tx_desc_last_seg(pdesc, 1); 715 716 set_tx_desc_offset(pdesc, 0x20); 717 718 set_tx_desc_use_rate(pdesc, 1); 719 720 if (!ieee80211_is_data_qos(fc)) 721 set_tx_desc_hwseq_en(pdesc, 1); 722 723 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 724 "H2C Tx Cmd Content\n", 725 pdesc, TX_DESC_SIZE); 726 } 727 728 void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, 729 bool istx, u8 desc_name, u8 *val) 730 { 731 __le32 *pdesc = (__le32 *)pdesc8; 732 733 if (istx) { 734 switch (desc_name) { 735 case HW_DESC_OWN: 736 set_tx_desc_own(pdesc, 1); 737 break; 738 case HW_DESC_TX_NEXTDESC_ADDR: 739 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 740 break; 741 default: 742 WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\n", 743 desc_name); 744 break; 745 } 746 } else { 747 switch (desc_name) { 748 case HW_DESC_RXOWN: 749 set_rx_desc_own(pdesc, 1); 750 break; 751 case HW_DESC_RXBUFF_ADDR: 752 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 753 break; 754 case HW_DESC_RXPKT_LEN: 755 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 756 break; 757 case HW_DESC_RXERO: 758 set_rx_desc_eor(pdesc, 1); 759 break; 760 default: 761 WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n", 762 desc_name); 763 break; 764 } 765 } 766 } 767 768 u64 rtl88ee_get_desc(struct ieee80211_hw *hw, 769 u8 *pdesc8, bool istx, u8 desc_name) 770 { 771 u32 ret = 0; 772 __le32 *pdesc = (__le32 *)pdesc8; 773 774 if (istx) { 775 switch (desc_name) { 776 case HW_DESC_OWN: 777 ret = get_tx_desc_own(pdesc); 778 break; 779 case HW_DESC_TXBUFF_ADDR: 780 ret = get_tx_desc_tx_buffer_address(pdesc); 781 break; 782 default: 783 WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\n", 784 desc_name); 785 break; 786 } 787 } else { 788 switch (desc_name) { 789 case HW_DESC_OWN: 790 ret = get_rx_desc_own(pdesc); 791 break; 792 case HW_DESC_RXPKT_LEN: 793 ret = get_rx_desc_pkt_len(pdesc); 794 break; 795 case HW_DESC_RXBUFF_ADDR: 796 ret = get_rx_desc_buff_addr(pdesc); 797 break; 798 default: 799 WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n", 800 desc_name); 801 break; 802 } 803 } 804 return ret; 805 } 806 807 bool rtl88ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index) 808 { 809 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 810 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 811 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 812 u8 own = (u8)rtl88ee_get_desc(hw, entry, true, HW_DESC_OWN); 813 814 /*beacon packet will only use the first 815 *descriptor defautly,and the own may not 816 *be cleared by the hardware 817 */ 818 if (own) 819 return false; 820 return true; 821 } 822 823 void rtl88ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 824 { 825 struct rtl_priv *rtlpriv = rtl_priv(hw); 826 if (hw_queue == BEACON_QUEUE) { 827 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 828 } else { 829 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 830 BIT(0) << (hw_queue)); 831 } 832 } 833