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 _rtl8723e_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) || ieee80211_is_ctl(fc)) 21 return QSLT_MGNT; 22 23 return skb->priority; 24 } 25 26 static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw, 27 struct rtl_stats *pstatus, u8 *pdesc, 28 struct rx_fwinfo_8723e *p_drvinfo, 29 bool bpacket_match_bssid, 30 bool bpacket_toself, bool packet_beacon) 31 { 32 struct rtl_priv *rtlpriv = rtl_priv(hw); 33 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 34 struct phy_sts_cck_8723e_t *cck_buf; 35 s8 rx_pwr_all = 0, rx_pwr[4]; 36 u8 rf_rx_num = 0, evm, pwdb_all; 37 u8 i, max_spatial_stream; 38 u32 rssi, total_rssi = 0; 39 bool is_cck = pstatus->is_cck; 40 41 /* Record it for next packet processing */ 42 pstatus->packet_matchbssid = bpacket_match_bssid; 43 pstatus->packet_toself = bpacket_toself; 44 pstatus->packet_beacon = packet_beacon; 45 pstatus->rx_mimo_signalquality[0] = -1; 46 pstatus->rx_mimo_signalquality[1] = -1; 47 48 if (is_cck) { 49 u8 report, cck_highpwr; 50 51 /* CCK Driver info Structure is not the same as OFDM packet. */ 52 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo; 53 54 /* (1)Hardware does not provide RSSI for CCK */ 55 /* (2)PWDB, Average PWDB cacluated by 56 * hardware (for rate adaptive) 57 */ 58 if (ppsc->rfpwr_state == ERFON) 59 cck_highpwr = (u8)rtl_get_bbreg(hw, 60 RFPGA0_XA_HSSIPARAMETER2, 61 BIT(9)); 62 else 63 cck_highpwr = false; 64 65 if (!cck_highpwr) { 66 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 67 report = cck_buf->cck_agc_rpt & 0xc0; 68 report = report >> 6; 69 switch (report) { 70 case 0x3: 71 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 72 break; 73 case 0x2: 74 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 75 break; 76 case 0x1: 77 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 78 break; 79 case 0x0: 80 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 81 break; 82 } 83 } else { 84 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 85 report = p_drvinfo->cfosho[0] & 0x60; 86 report = report >> 5; 87 switch (report) { 88 case 0x3: 89 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 90 break; 91 case 0x2: 92 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 93 break; 94 case 0x1: 95 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 96 break; 97 case 0x0: 98 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 99 break; 100 } 101 } 102 103 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 104 /* CCK gain is smaller than OFDM/MCS gain, */ 105 /* so we add gain diff by experiences, 106 * the val is 6 107 */ 108 pwdb_all += 6; 109 if (pwdb_all > 100) 110 pwdb_all = 100; 111 /* modify the offset to make the same 112 * gain index with OFDM. 113 */ 114 if (pwdb_all > 34 && pwdb_all <= 42) 115 pwdb_all -= 2; 116 else if (pwdb_all > 26 && pwdb_all <= 34) 117 pwdb_all -= 6; 118 else if (pwdb_all > 14 && pwdb_all <= 26) 119 pwdb_all -= 8; 120 else if (pwdb_all > 4 && pwdb_all <= 14) 121 pwdb_all -= 4; 122 123 pstatus->rx_pwdb_all = pwdb_all; 124 pstatus->recvsignalpower = rx_pwr_all; 125 126 /* (3) Get Signal Quality (EVM) */ 127 if (bpacket_match_bssid) { 128 u8 sq; 129 130 if (pstatus->rx_pwdb_all > 40) 131 sq = 100; 132 else { 133 sq = cck_buf->sq_rpt; 134 if (sq > 64) 135 sq = 0; 136 else if (sq < 20) 137 sq = 100; 138 else 139 sq = ((64 - sq) * 100) / 44; 140 } 141 142 pstatus->signalquality = sq; 143 pstatus->rx_mimo_signalquality[0] = sq; 144 pstatus->rx_mimo_signalquality[1] = -1; 145 } 146 } else { 147 rtlpriv->dm.rfpath_rxenable[0] = 148 rtlpriv->dm.rfpath_rxenable[1] = true; 149 150 /* (1)Get RSSI for HT rate */ 151 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 152 153 /* we will judge RF RX path now. */ 154 if (rtlpriv->dm.rfpath_rxenable[i]) 155 rf_rx_num++; 156 157 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 158 0x3f) * 2) - 110; 159 160 /* Translate DBM to percentage. */ 161 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 162 total_rssi += rssi; 163 164 /* Get Rx snr value in DB */ 165 rtlpriv->stats.rx_snr_db[i] = 166 (long)(p_drvinfo->rxsnr[i] / 2); 167 168 /* Record Signal Strength for next packet */ 169 if (bpacket_match_bssid) 170 pstatus->rx_mimo_signalstrength[i] = (u8)rssi; 171 } 172 173 /* (2)PWDB, Average PWDB cacluated by 174 * hardware (for rate adaptive) 175 */ 176 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; 177 178 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 179 pstatus->rx_pwdb_all = pwdb_all; 180 pstatus->rxpower = rx_pwr_all; 181 pstatus->recvsignalpower = rx_pwr_all; 182 183 /* (3)EVM of HT rate */ 184 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 && 185 pstatus->rate <= DESC92C_RATEMCS15) 186 max_spatial_stream = 2; 187 else 188 max_spatial_stream = 1; 189 190 for (i = 0; i < max_spatial_stream; i++) { 191 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]); 192 193 if (bpacket_match_bssid) { 194 /* Fill value in RFD, Get the first 195 * spatial stream only 196 */ 197 if (i == 0) 198 pstatus->signalquality = 199 (u8)(evm & 0xff); 200 pstatus->rx_mimo_signalquality[i] = 201 (u8)(evm & 0xff); 202 } 203 } 204 } 205 206 /* UI BSS List signal strength(in percentage), 207 * make it good looking, from 0~100. 208 */ 209 if (is_cck) 210 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 211 pwdb_all)); 212 else if (rf_rx_num != 0) 213 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 214 total_rssi /= rf_rx_num)); 215 } 216 217 static void translate_rx_signal_stuff(struct ieee80211_hw *hw, 218 struct sk_buff *skb, 219 struct rtl_stats *pstatus, u8 *pdesc, 220 struct rx_fwinfo_8723e *p_drvinfo) 221 { 222 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 223 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 224 struct ieee80211_hdr *hdr; 225 u8 *tmp_buf; 226 u8 *praddr; 227 /*u8 *psaddr;*/ 228 u16 fc, type; 229 bool packet_matchbssid, packet_toself, packet_beacon; 230 231 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; 232 233 hdr = (struct ieee80211_hdr *)tmp_buf; 234 fc = le16_to_cpu(hdr->frame_control); 235 type = WLAN_FC_GET_TYPE(hdr->frame_control); 236 praddr = hdr->addr1; 237 238 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 239 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ? 240 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? 241 hdr->addr2 : hdr->addr3)) && 242 (!pstatus->hwerror) && 243 (!pstatus->crc) && (!pstatus->icv)); 244 245 packet_toself = packet_matchbssid && 246 (ether_addr_equal(praddr, rtlefuse->dev_addr)); 247 248 if (ieee80211_is_beacon(hdr->frame_control)) 249 packet_beacon = true; 250 else 251 packet_beacon = false; 252 253 _rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, 254 packet_matchbssid, packet_toself, 255 packet_beacon); 256 257 rtl_process_phyinfo(hw, tmp_buf, pstatus); 258 } 259 260 bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw, 261 struct rtl_stats *status, 262 struct ieee80211_rx_status *rx_status, 263 u8 *pdesc8, struct sk_buff *skb) 264 { 265 struct rx_fwinfo_8723e *p_drvinfo; 266 struct ieee80211_hdr *hdr; 267 __le32 *pdesc = (__le32 *)pdesc8; 268 u32 phystatus = get_rx_desc_physt(pdesc); 269 270 status->length = (u16)get_rx_desc_pkt_len(pdesc); 271 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 272 RX_DRV_INFO_SIZE_UNIT; 273 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 274 status->icv = (u16)get_rx_desc_icv(pdesc); 275 status->crc = (u16)get_rx_desc_crc32(pdesc); 276 status->hwerror = (status->crc | status->icv); 277 status->decrypted = !get_rx_desc_swdec(pdesc); 278 status->rate = (u8)get_rx_desc_rxmcs(pdesc); 279 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 280 status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 281 status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && 282 (get_rx_desc_faggr(pdesc) == 1)); 283 status->timestamp_low = get_rx_desc_tsfl(pdesc); 284 status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 285 status->is_ht = (bool)get_rx_desc_rxht(pdesc); 286 287 status->is_cck = RX_HAL_IS_CCK_RATE(status->rate); 288 289 rx_status->freq = hw->conf.chandef.chan->center_freq; 290 rx_status->band = hw->conf.chandef.chan->band; 291 292 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size 293 + status->rx_bufshift); 294 295 if (status->crc) 296 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 297 298 if (status->rx_is40mhzpacket) 299 rx_status->bw = RATE_INFO_BW_40; 300 301 if (status->is_ht) 302 rx_status->encoding = RX_ENC_HT; 303 304 rx_status->flag |= RX_FLAG_MACTIME_START; 305 306 /* hw will set status->decrypted true, if it finds the 307 * frame is open data frame or mgmt frame. 308 * So hw will not decryption robust managment frame 309 * for IEEE80211w but still set status->decrypted 310 * true, so here we should set it back to undecrypted 311 * for IEEE80211w frame, and mac80211 sw will help 312 * to decrypt it 313 */ 314 if (status->decrypted) { 315 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) && 316 (ieee80211_has_protected(hdr->frame_control))) 317 rx_status->flag |= RX_FLAG_DECRYPTED; 318 else 319 rx_status->flag &= ~RX_FLAG_DECRYPTED; 320 } 321 322 /* rate_idx: index of data rate into band's 323 * supported rates or MCS index if HT rates 324 * are use (RX_FLAG_HT) 325 * Notice: this is diff with windows define 326 */ 327 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, 328 false, status->rate); 329 330 rx_status->mactime = status->timestamp_low; 331 if (phystatus == true) { 332 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data + 333 status->rx_bufshift); 334 335 translate_rx_signal_stuff(hw, skb, status, pdesc8, p_drvinfo); 336 } 337 rx_status->signal = status->recvsignalpower + 10; 338 return true; 339 } 340 341 void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw, 342 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 343 u8 *txbd, struct ieee80211_tx_info *info, 344 struct ieee80211_sta *sta, 345 struct sk_buff *skb, 346 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 347 { 348 struct rtl_priv *rtlpriv = rtl_priv(hw); 349 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 350 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 351 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 352 bool b_defaultadapter = true; 353 /* bool b_trigger_ac = false; */ 354 u8 *pdesc8 = (u8 *)pdesc_tx; 355 __le32 *pdesc = (__le32 *)pdesc8; 356 u16 seq_number; 357 __le16 fc = hdr->frame_control; 358 u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue); 359 bool firstseg = ((hdr->seq_ctrl & 360 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 361 362 bool lastseg = ((hdr->frame_control & 363 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 364 365 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 366 skb->len, DMA_TO_DEVICE); 367 u8 bw_40 = 0; 368 369 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 370 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 371 "DMA mapping error\n"); 372 return; 373 } 374 if (mac->opmode == NL80211_IFTYPE_STATION) { 375 bw_40 = mac->bw_40; 376 } else if (mac->opmode == NL80211_IFTYPE_AP || 377 mac->opmode == NL80211_IFTYPE_ADHOC) { 378 if (sta) 379 bw_40 = sta->ht_cap.cap & 380 IEEE80211_HT_CAP_SUP_WIDTH_20_40; 381 } 382 383 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 384 385 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 386 387 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723e)); 388 389 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 390 firstseg = true; 391 lastseg = true; 392 } 393 394 if (firstseg) { 395 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 396 397 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 398 399 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) 400 set_tx_desc_data_shortgi(pdesc, 1); 401 402 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 403 set_tx_desc_agg_break(pdesc, 1); 404 set_tx_desc_max_agg_num(pdesc, 0x14); 405 } 406 set_tx_desc_seq(pdesc, seq_number); 407 408 set_tx_desc_rts_enable(pdesc, 409 ((ptcb_desc->rts_enable && 410 !ptcb_desc->cts_enable) ? 1 : 0)); 411 set_tx_desc_hw_rts_enable(pdesc, 412 ((ptcb_desc->rts_enable || 413 ptcb_desc->cts_enable) ? 1 : 0)); 414 set_tx_desc_cts2self(pdesc, 415 ((ptcb_desc->cts_enable) ? 1 : 0)); 416 set_tx_desc_rts_stbc(pdesc, 417 ((ptcb_desc->rts_stbc) ? 1 : 0)); 418 419 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 420 set_tx_desc_rts_bw(pdesc, 0); 421 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 422 set_tx_desc_rts_short(pdesc, 423 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ? 424 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) 425 : (ptcb_desc->rts_use_shortgi ? 1 : 0))); 426 427 if (bw_40) { 428 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 429 set_tx_desc_data_bw(pdesc, 1); 430 set_tx_desc_tx_sub_carrier(pdesc, 3); 431 } else { 432 set_tx_desc_data_bw(pdesc, 0); 433 set_tx_desc_tx_sub_carrier(pdesc, 434 mac->cur_40_prime_sc); 435 } 436 } else { 437 set_tx_desc_data_bw(pdesc, 0); 438 set_tx_desc_tx_sub_carrier(pdesc, 0); 439 } 440 441 set_tx_desc_linip(pdesc, 0); 442 set_tx_desc_pkt_size(pdesc, (u16)skb->len); 443 444 if (sta) { 445 u8 ampdu_density = sta->ht_cap.ampdu_density; 446 set_tx_desc_ampdu_density(pdesc, ampdu_density); 447 } 448 449 if (info->control.hw_key) { 450 struct ieee80211_key_conf *keyconf = 451 info->control.hw_key; 452 453 switch (keyconf->cipher) { 454 case WLAN_CIPHER_SUITE_WEP40: 455 case WLAN_CIPHER_SUITE_WEP104: 456 case WLAN_CIPHER_SUITE_TKIP: 457 set_tx_desc_sec_type(pdesc, 0x1); 458 break; 459 case WLAN_CIPHER_SUITE_CCMP: 460 set_tx_desc_sec_type(pdesc, 0x3); 461 break; 462 default: 463 set_tx_desc_sec_type(pdesc, 0x0); 464 break; 465 466 } 467 } 468 469 set_tx_desc_pkt_id(pdesc, 0); 470 set_tx_desc_queue_sel(pdesc, fw_qsel); 471 472 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 473 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 474 set_tx_desc_disable_fb(pdesc, 0); 475 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 476 477 if (ieee80211_is_data_qos(fc)) { 478 if (mac->rdg_en) { 479 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 480 "Enable RDG function.\n"); 481 set_tx_desc_rdg_enable(pdesc, 1); 482 set_tx_desc_htc(pdesc, 1); 483 } 484 } 485 } 486 487 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 488 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 489 490 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len); 491 492 set_tx_desc_tx_buffer_address(pdesc, mapping); 493 494 if (rtlpriv->dm.useramask) { 495 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 496 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 497 } else { 498 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 499 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index); 500 } 501 502 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 503 set_tx_desc_hwseq_en_8723(pdesc, 1); 504 /* set_tx_desc_hwseq_en(pdesc, 1); */ 505 /* set_tx_desc_pkt_id(pdesc, 8); */ 506 507 if (!b_defaultadapter) 508 set_tx_desc_hwseq_sel_8723(pdesc, 1); 509 /* set_tx_desc_qos(pdesc, 1); */ 510 } 511 512 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 513 514 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 515 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 516 set_tx_desc_bmc(pdesc, 1); 517 } 518 519 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 520 } 521 522 void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw, 523 u8 *pdesc8, bool firstseg, 524 bool lastseg, struct sk_buff *skb) 525 { 526 struct rtl_priv *rtlpriv = rtl_priv(hw); 527 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 528 u8 fw_queue = QSLT_BEACON; 529 __le32 *pdesc = (__le32 *)pdesc8; 530 531 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 532 skb->len, DMA_TO_DEVICE); 533 534 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 535 __le16 fc = hdr->frame_control; 536 537 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 538 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 539 "DMA mapping error\n"); 540 return; 541 } 542 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 543 544 if (firstseg) 545 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 546 547 set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M); 548 549 set_tx_desc_seq(pdesc, 0); 550 551 set_tx_desc_linip(pdesc, 0); 552 553 set_tx_desc_queue_sel(pdesc, fw_queue); 554 555 set_tx_desc_first_seg(pdesc, 1); 556 set_tx_desc_last_seg(pdesc, 1); 557 558 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len)); 559 560 set_tx_desc_tx_buffer_address(pdesc, mapping); 561 562 set_tx_desc_rate_id(pdesc, 7); 563 set_tx_desc_macid(pdesc, 0); 564 565 set_tx_desc_own(pdesc, 1); 566 567 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 568 569 set_tx_desc_first_seg(pdesc, 1); 570 set_tx_desc_last_seg(pdesc, 1); 571 572 set_tx_desc_offset(pdesc, 0x20); 573 574 set_tx_desc_use_rate(pdesc, 1); 575 576 if (!ieee80211_is_data_qos(fc)) { 577 set_tx_desc_hwseq_en_8723(pdesc, 1); 578 /* set_tx_desc_hwseq_en(pdesc, 1); */ 579 /* set_tx_desc_pkt_id(pdesc, 8); */ 580 } 581 582 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 583 "H2C Tx Cmd Content\n", 584 pdesc, TX_DESC_SIZE); 585 } 586 587 void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, 588 bool istx, u8 desc_name, u8 *val) 589 { 590 __le32 *pdesc = (__le32 *)pdesc8; 591 592 if (istx) { 593 switch (desc_name) { 594 case HW_DESC_OWN: 595 set_tx_desc_own(pdesc, 1); 596 break; 597 case HW_DESC_TX_NEXTDESC_ADDR: 598 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 599 break; 600 default: 601 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n", 602 desc_name); 603 break; 604 } 605 } else { 606 switch (desc_name) { 607 case HW_DESC_RXOWN: 608 set_rx_desc_own(pdesc, 1); 609 break; 610 case HW_DESC_RXBUFF_ADDR: 611 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 612 break; 613 case HW_DESC_RXPKT_LEN: 614 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 615 break; 616 case HW_DESC_RXERO: 617 set_rx_desc_eor(pdesc, 1); 618 break; 619 default: 620 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n", 621 desc_name); 622 break; 623 } 624 } 625 } 626 627 u64 rtl8723e_get_desc(struct ieee80211_hw *hw, 628 u8 *pdesc8, bool istx, u8 desc_name) 629 { 630 u32 ret = 0; 631 __le32 *pdesc = (__le32 *)pdesc8; 632 633 if (istx) { 634 switch (desc_name) { 635 case HW_DESC_OWN: 636 ret = get_tx_desc_own(pdesc); 637 break; 638 case HW_DESC_TXBUFF_ADDR: 639 ret = get_tx_desc_tx_buffer_address(pdesc); 640 break; 641 default: 642 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n", 643 desc_name); 644 break; 645 } 646 } else { 647 switch (desc_name) { 648 case HW_DESC_OWN: 649 ret = get_rx_desc_own(pdesc); 650 break; 651 case HW_DESC_RXPKT_LEN: 652 ret = get_rx_desc_pkt_len(pdesc); 653 break; 654 case HW_DESC_RXBUFF_ADDR: 655 ret = get_rx_desc_buff_addr(pdesc); 656 break; 657 default: 658 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n", 659 desc_name); 660 break; 661 } 662 } 663 return ret; 664 } 665 666 bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw, 667 u8 hw_queue, u16 index) 668 { 669 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 670 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 671 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 672 u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN); 673 674 /** 675 *beacon packet will only use the first 676 *descriptor defautly,and the own may not 677 *be cleared by the hardware 678 */ 679 if (own) 680 return false; 681 return true; 682 } 683 684 void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 685 { 686 struct rtl_priv *rtlpriv = rtl_priv(hw); 687 if (hw_queue == BEACON_QUEUE) { 688 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 689 } else { 690 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 691 BIT(0) << (hw_queue)); 692 } 693 } 694