1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2014 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 #include "dm.h" 14 #include "fw.h" 15 16 static u8 _rtl8723be_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 void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw, 29 struct rtl_stats *pstatus, 30 __le32 *pdesc, 31 struct rx_fwinfo_8723be *p_drvinfo, 32 bool bpacket_match_bssid, 33 bool bpacket_toself, 34 bool packet_beacon) 35 { 36 struct rtl_priv *rtlpriv = rtl_priv(hw); 37 struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo; 38 s8 rx_pwr_all = 0, rx_pwr[4]; 39 u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0; 40 u8 i, max_spatial_stream; 41 u32 rssi, total_rssi = 0; 42 bool is_cck = pstatus->is_cck; 43 u8 lan_idx, vga_idx; 44 45 /* Record it for next packet processing */ 46 pstatus->packet_matchbssid = bpacket_match_bssid; 47 pstatus->packet_toself = bpacket_toself; 48 pstatus->packet_beacon = packet_beacon; 49 pstatus->rx_mimo_signalquality[0] = -1; 50 pstatus->rx_mimo_signalquality[1] = -1; 51 52 if (is_cck) { 53 u8 cck_agc_rpt; 54 55 cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a; 56 57 /* (1)Hardware does not provide RSSI for CCK */ 58 /* (2)PWDB, Average PWDB cacluated by 59 * hardware (for rate adaptive) 60 */ 61 rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, BIT(9)); 62 63 lan_idx = ((cck_agc_rpt & 0xE0) >> 5); 64 vga_idx = (cck_agc_rpt & 0x1f); 65 66 switch (lan_idx) { 67 /* 46 53 73 95 201301231630 */ 68 /* 46 53 77 99 201301241630 */ 69 case 6: 70 rx_pwr_all = -34 - (2 * vga_idx); 71 break; 72 case 4: 73 rx_pwr_all = -14 - (2 * vga_idx); 74 break; 75 case 1: 76 rx_pwr_all = 6 - (2 * vga_idx); 77 break; 78 case 0: 79 rx_pwr_all = 16 - (2 * vga_idx); 80 break; 81 default: 82 break; 83 } 84 85 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 86 if (pwdb_all > 100) 87 pwdb_all = 100; 88 89 pstatus->rx_pwdb_all = pwdb_all; 90 pstatus->bt_rx_rssi_percentage = pwdb_all; 91 pstatus->recvsignalpower = rx_pwr_all; 92 93 /* (3) Get Signal Quality (EVM) */ 94 if (bpacket_match_bssid) { 95 u8 sq, sq_rpt; 96 if (pstatus->rx_pwdb_all > 40) { 97 sq = 100; 98 } else { 99 sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all; 100 if (sq_rpt > 64) 101 sq = 0; 102 else if (sq_rpt < 20) 103 sq = 100; 104 else 105 sq = ((64 - sq_rpt) * 100) / 44; 106 } 107 pstatus->signalquality = sq; 108 pstatus->rx_mimo_signalquality[0] = sq; 109 pstatus->rx_mimo_signalquality[1] = -1; 110 } 111 } else { 112 /* (1)Get RSSI for HT rate */ 113 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) { 114 /* we will judge RF RX path now. */ 115 if (rtlpriv->dm.rfpath_rxenable[i]) 116 rf_rx_num++; 117 118 rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2) 119 - 110; 120 121 pstatus->rx_pwr[i] = rx_pwr[i]; 122 /* Translate DBM to percentage. */ 123 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]); 124 total_rssi += rssi; 125 126 pstatus->rx_mimo_signalstrength[i] = (u8)rssi; 127 } 128 129 /* (2)PWDB, Average PWDB cacluated by 130 * hardware (for rate adaptive) 131 */ 132 rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) & 133 0x7f) - 110; 134 135 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 136 pwdb_all_bt = pwdb_all; 137 pstatus->rx_pwdb_all = pwdb_all; 138 pstatus->bt_rx_rssi_percentage = pwdb_all_bt; 139 pstatus->rxpower = rx_pwr_all; 140 pstatus->recvsignalpower = rx_pwr_all; 141 142 /* (3)EVM of HT rate */ 143 if (pstatus->rate >= DESC92C_RATEMCS8 && 144 pstatus->rate <= DESC92C_RATEMCS15) 145 max_spatial_stream = 2; 146 else 147 max_spatial_stream = 1; 148 149 for (i = 0; i < max_spatial_stream; i++) { 150 evm = rtl_evm_db_to_percentage( 151 p_phystrpt->stream_rxevm[i]); 152 153 if (bpacket_match_bssid) { 154 /* Fill value in RFD, Get the first 155 * spatial stream only 156 */ 157 if (i == 0) 158 pstatus->signalquality = 159 (u8)(evm & 0xff); 160 pstatus->rx_mimo_signalquality[i] = 161 (u8)(evm & 0xff); 162 } 163 } 164 165 if (bpacket_match_bssid) { 166 for (i = RF90_PATH_A; i <= RF90_PATH_B; i++) 167 rtl_priv(hw)->dm.cfo_tail[i] = 168 (int)p_phystrpt->path_cfotail[i]; 169 170 if (rtl_priv(hw)->dm.packet_count == 0xffffffff) 171 rtl_priv(hw)->dm.packet_count = 0; 172 else 173 rtl_priv(hw)->dm.packet_count++; 174 } 175 } 176 177 /* UI BSS List signal strength(in percentage), 178 * make it good looking, from 0~100. 179 */ 180 if (is_cck) 181 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 182 pwdb_all)); 183 else if (rf_rx_num != 0) 184 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw, 185 total_rssi /= rf_rx_num)); 186 } 187 188 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw, 189 struct sk_buff *skb, 190 struct rtl_stats *pstatus, 191 __le32 *pdesc, 192 struct rx_fwinfo_8723be *p_drvinfo) 193 { 194 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 195 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 196 struct ieee80211_hdr *hdr; 197 u8 *tmp_buf; 198 u8 *praddr; 199 u8 *psaddr; 200 u16 fc, type; 201 bool packet_matchbssid, packet_toself, packet_beacon; 202 203 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; 204 205 hdr = (struct ieee80211_hdr *)tmp_buf; 206 fc = le16_to_cpu(hdr->frame_control); 207 type = WLAN_FC_GET_TYPE(hdr->frame_control); 208 praddr = hdr->addr1; 209 psaddr = ieee80211_get_SA(hdr); 210 memcpy(pstatus->psaddr, psaddr, ETH_ALEN); 211 212 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && 213 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ? 214 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? 215 hdr->addr2 : hdr->addr3)) && 216 (!pstatus->hwerror) && 217 (!pstatus->crc) && (!pstatus->icv)); 218 219 packet_toself = packet_matchbssid && 220 (ether_addr_equal(praddr, rtlefuse->dev_addr)); 221 222 /* YP: packet_beacon is not initialized, 223 * this assignment is neccesary, 224 * otherwise it counld be true in this case 225 * the situation is much worse in Kernel 3.10 226 */ 227 if (ieee80211_is_beacon(hdr->frame_control)) 228 packet_beacon = true; 229 else 230 packet_beacon = false; 231 232 if (packet_beacon && packet_matchbssid) 233 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++; 234 235 _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo, 236 packet_matchbssid, 237 packet_toself, 238 packet_beacon); 239 240 rtl_process_phyinfo(hw, tmp_buf, pstatus); 241 } 242 243 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, 244 __le32 *virtualaddress) 245 { 246 u32 dwtmp = 0; 247 memset(virtualaddress, 0, 8); 248 249 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num); 250 if (ptcb_desc->empkt_num == 1) { 251 dwtmp = ptcb_desc->empkt_len[0]; 252 } else { 253 dwtmp = ptcb_desc->empkt_len[0]; 254 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; 255 dwtmp += ptcb_desc->empkt_len[1]; 256 } 257 set_earlymode_len0(virtualaddress, dwtmp); 258 259 if (ptcb_desc->empkt_num <= 3) { 260 dwtmp = ptcb_desc->empkt_len[2]; 261 } else { 262 dwtmp = ptcb_desc->empkt_len[2]; 263 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; 264 dwtmp += ptcb_desc->empkt_len[3]; 265 } 266 set_earlymode_len1(virtualaddress, dwtmp); 267 if (ptcb_desc->empkt_num <= 5) { 268 dwtmp = ptcb_desc->empkt_len[4]; 269 } else { 270 dwtmp = ptcb_desc->empkt_len[4]; 271 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; 272 dwtmp += ptcb_desc->empkt_len[5]; 273 } 274 set_earlymode_len2_1(virtualaddress, dwtmp & 0xF); 275 set_earlymode_len2_2(virtualaddress, dwtmp >> 4); 276 if (ptcb_desc->empkt_num <= 7) { 277 dwtmp = ptcb_desc->empkt_len[6]; 278 } else { 279 dwtmp = ptcb_desc->empkt_len[6]; 280 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; 281 dwtmp += ptcb_desc->empkt_len[7]; 282 } 283 set_earlymode_len3(virtualaddress, dwtmp); 284 if (ptcb_desc->empkt_num <= 9) { 285 dwtmp = ptcb_desc->empkt_len[8]; 286 } else { 287 dwtmp = ptcb_desc->empkt_len[8]; 288 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4; 289 dwtmp += ptcb_desc->empkt_len[9]; 290 } 291 set_earlymode_len4(virtualaddress, dwtmp); 292 } 293 294 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw, 295 struct rtl_stats *status, 296 struct ieee80211_rx_status *rx_status, 297 u8 *pdesc8, struct sk_buff *skb) 298 { 299 struct rtl_priv *rtlpriv = rtl_priv(hw); 300 struct rx_fwinfo_8723be *p_drvinfo; 301 struct ieee80211_hdr *hdr; 302 u8 wake_match; 303 __le32 *pdesc = (__le32 *)pdesc8; 304 u32 phystatus = get_rx_desc_physt(pdesc); 305 306 status->length = (u16)get_rx_desc_pkt_len(pdesc); 307 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) * 308 RX_DRV_INFO_SIZE_UNIT; 309 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 310 status->icv = (u16)get_rx_desc_icv(pdesc); 311 status->crc = (u16)get_rx_desc_crc32(pdesc); 312 status->hwerror = (status->crc | status->icv); 313 status->decrypted = !get_rx_desc_swdec(pdesc); 314 status->rate = (u8)get_rx_desc_rxmcs(pdesc); 315 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 316 status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 317 status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 318 status->timestamp_low = get_rx_desc_tsfl(pdesc); 319 status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 320 status->bandwidth = (u8)get_rx_desc_bw(pdesc); 321 status->macid = get_rx_desc_macid(pdesc); 322 status->is_ht = (bool)get_rx_desc_rxht(pdesc); 323 324 status->is_cck = RX_HAL_IS_CCK_RATE(status->rate); 325 326 if (get_rx_status_desc_rpt_sel(pdesc)) 327 status->packet_report_type = C2H_PACKET; 328 else 329 status->packet_report_type = NORMAL_RX; 330 331 332 if (get_rx_status_desc_pattern_match(pdesc)) 333 wake_match = BIT(2); 334 else if (get_rx_status_desc_magic_match(pdesc)) 335 wake_match = BIT(1); 336 else if (get_rx_status_desc_unicast_match(pdesc)) 337 wake_match = BIT(0); 338 else 339 wake_match = 0; 340 if (wake_match) 341 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, 342 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n", 343 wake_match); 344 rx_status->freq = hw->conf.chandef.chan->center_freq; 345 rx_status->band = hw->conf.chandef.chan->band; 346 347 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size + 348 status->rx_bufshift); 349 350 if (status->crc) 351 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 352 353 if (status->rx_is40mhzpacket) 354 rx_status->bw = RATE_INFO_BW_40; 355 356 if (status->is_ht) 357 rx_status->encoding = RX_ENC_HT; 358 359 rx_status->flag |= RX_FLAG_MACTIME_START; 360 361 /* hw will set status->decrypted true, if it finds the 362 * frame is open data frame or mgmt frame. 363 * So hw will not decryption robust managment frame 364 * for IEEE80211w but still set status->decrypted 365 * true, so here we should set it back to undecrypted 366 * for IEEE80211w frame, and mac80211 sw will help 367 * to decrypt it 368 */ 369 if (status->decrypted) { 370 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) && 371 (ieee80211_has_protected(hdr->frame_control))) 372 rx_status->flag |= RX_FLAG_DECRYPTED; 373 else 374 rx_status->flag &= ~RX_FLAG_DECRYPTED; 375 } 376 377 /* rate_idx: index of data rate into band's 378 * supported rates or MCS index if HT rates 379 * are use (RX_FLAG_HT) 380 */ 381 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht, 382 false, status->rate); 383 384 rx_status->mactime = status->timestamp_low; 385 if (phystatus) { 386 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data + 387 status->rx_bufshift); 388 389 _rtl8723be_translate_rx_signal_stuff(hw, skb, status, 390 pdesc, p_drvinfo); 391 } 392 rx_status->signal = status->recvsignalpower + 10; 393 if (status->packet_report_type == TX_REPORT2) { 394 status->macid_valid_entry[0] = 395 get_rx_rpt2_desc_macid_valid_1(pdesc); 396 status->macid_valid_entry[1] = 397 get_rx_rpt2_desc_macid_valid_2(pdesc); 398 } 399 return true; 400 } 401 402 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw, 403 struct ieee80211_hdr *hdr, u8 *pdesc8, 404 u8 *txbd, struct ieee80211_tx_info *info, 405 struct ieee80211_sta *sta, struct sk_buff *skb, 406 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) 407 { 408 struct rtl_priv *rtlpriv = rtl_priv(hw); 409 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 410 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 411 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 412 struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb); 413 __le32 *pdesc = (__le32 *)pdesc8; 414 u16 seq_number; 415 __le16 fc = hdr->frame_control; 416 unsigned int buf_len = 0; 417 unsigned int skb_len = skb->len; 418 u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue); 419 bool firstseg = ((hdr->seq_ctrl & 420 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 421 bool lastseg = ((hdr->frame_control & 422 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 423 dma_addr_t mapping; 424 u8 bw_40 = 0; 425 u8 short_gi = 0; 426 427 if (mac->opmode == NL80211_IFTYPE_STATION) { 428 bw_40 = mac->bw_40; 429 } else if (mac->opmode == NL80211_IFTYPE_AP || 430 mac->opmode == NL80211_IFTYPE_ADHOC) { 431 if (sta) 432 bw_40 = sta->ht_cap.cap & 433 IEEE80211_HT_CAP_SUP_WIDTH_20_40; 434 } 435 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 436 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); 437 /* reserve 8 byte for AMPDU early mode */ 438 if (rtlhal->earlymode_enable) { 439 skb_push(skb, EM_HDR_LEN); 440 memset(skb->data, 0, EM_HDR_LEN); 441 } 442 buf_len = skb->len; 443 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len, 444 DMA_TO_DEVICE); 445 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 446 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error\n"); 447 return; 448 } 449 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723be)); 450 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 451 firstseg = true; 452 lastseg = true; 453 } 454 if (firstseg) { 455 if (rtlhal->earlymode_enable) { 456 set_tx_desc_pkt_offset(pdesc, 1); 457 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN + 458 EM_HDR_LEN); 459 if (ptcb_desc->empkt_num) { 460 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 461 "Insert 8 byte.pTcb->EMPktNum:%d\n", 462 ptcb_desc->empkt_num); 463 _rtl8723be_insert_emcontent(ptcb_desc, 464 (__le32 *)(skb->data)); 465 } 466 } else { 467 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 468 } 469 470 471 /* ptcb_desc->use_driver_rate = true; */ 472 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate); 473 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0) 474 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0; 475 else 476 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0; 477 478 set_tx_desc_data_shortgi(pdesc, short_gi); 479 480 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 481 set_tx_desc_agg_enable(pdesc, 1); 482 set_tx_desc_max_agg_num(pdesc, 0x14); 483 } 484 set_tx_desc_seq(pdesc, seq_number); 485 set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable && 486 !ptcb_desc->cts_enable) ? 487 1 : 0)); 488 set_tx_desc_hw_rts_enable(pdesc, 0); 489 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 490 1 : 0)); 491 492 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate); 493 494 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc); 495 set_tx_desc_rts_short(pdesc, 496 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ? 497 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : 498 (ptcb_desc->rts_use_shortgi ? 1 : 0))); 499 500 if (ptcb_desc->tx_enable_sw_calc_duration) 501 set_tx_desc_nav_use_hdr(pdesc, 1); 502 503 if (bw_40) { 504 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { 505 set_tx_desc_data_bw(pdesc, 1); 506 set_tx_desc_tx_sub_carrier(pdesc, 3); 507 } else { 508 set_tx_desc_data_bw(pdesc, 0); 509 set_tx_desc_tx_sub_carrier(pdesc, mac->cur_40_prime_sc); 510 } 511 } else { 512 set_tx_desc_data_bw(pdesc, 0); 513 set_tx_desc_tx_sub_carrier(pdesc, 0); 514 } 515 516 set_tx_desc_linip(pdesc, 0); 517 set_tx_desc_pkt_size(pdesc, (u16)skb_len); 518 if (sta) { 519 u8 ampdu_density = sta->ht_cap.ampdu_density; 520 set_tx_desc_ampdu_density(pdesc, ampdu_density); 521 } 522 if (info->control.hw_key) { 523 struct ieee80211_key_conf *keyconf = 524 info->control.hw_key; 525 switch (keyconf->cipher) { 526 case WLAN_CIPHER_SUITE_WEP40: 527 case WLAN_CIPHER_SUITE_WEP104: 528 case WLAN_CIPHER_SUITE_TKIP: 529 set_tx_desc_sec_type(pdesc, 0x1); 530 break; 531 case WLAN_CIPHER_SUITE_CCMP: 532 set_tx_desc_sec_type(pdesc, 0x3); 533 break; 534 default: 535 set_tx_desc_sec_type(pdesc, 0x0); 536 break; 537 } 538 } 539 540 set_tx_desc_queue_sel(pdesc, fw_qsel); 541 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F); 542 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF); 543 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ? 544 1 : 0); 545 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); 546 547 /* Set TxRate and RTSRate in TxDesc */ 548 /* This prevent Tx initial rate of new-coming packets */ 549 /* from being overwritten by retried packet rate.*/ 550 if (ieee80211_is_data_qos(fc)) { 551 if (mac->rdg_en) { 552 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 553 "Enable RDG function.\n"); 554 set_tx_desc_rdg_enable(pdesc, 1); 555 set_tx_desc_htc(pdesc, 1); 556 } 557 } 558 /* tx report */ 559 rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info); 560 } 561 562 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0)); 563 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0)); 564 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len); 565 set_tx_desc_tx_buffer_address(pdesc, mapping); 566 /* if (rtlpriv->dm.useramask) { */ 567 if (1) { 568 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index); 569 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 570 } else { 571 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index); 572 set_tx_desc_macid(pdesc, ptcb_desc->mac_id); 573 } 574 if (!ieee80211_is_data_qos(fc)) { 575 set_tx_desc_hwseq_en(pdesc, 1); 576 set_tx_desc_hwseq_sel(pdesc, 0); 577 } 578 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1)); 579 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 580 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 581 set_tx_desc_bmc(pdesc, 1); 582 } 583 584 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 585 } 586 587 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8, 588 bool firstseg, bool lastseg, 589 struct sk_buff *skb) 590 { 591 struct rtl_priv *rtlpriv = rtl_priv(hw); 592 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 593 u8 fw_queue = QSLT_BEACON; 594 __le32 *pdesc = (__le32 *)pdesc8; 595 596 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, 597 skb->len, DMA_TO_DEVICE); 598 599 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) { 600 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 601 "DMA mapping error\n"); 602 return; 603 } 604 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE); 605 606 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN); 607 608 set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M); 609 610 set_tx_desc_seq(pdesc, 0); 611 612 set_tx_desc_linip(pdesc, 0); 613 614 set_tx_desc_queue_sel(pdesc, fw_queue); 615 616 set_tx_desc_first_seg(pdesc, 1); 617 set_tx_desc_last_seg(pdesc, 1); 618 619 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len)); 620 621 set_tx_desc_tx_buffer_address(pdesc, mapping); 622 623 set_tx_desc_rate_id(pdesc, 0); 624 set_tx_desc_macid(pdesc, 0); 625 626 set_tx_desc_own(pdesc, 1); 627 628 set_tx_desc_pkt_size(pdesc, (u16)(skb->len)); 629 630 set_tx_desc_first_seg(pdesc, 1); 631 set_tx_desc_last_seg(pdesc, 1); 632 633 set_tx_desc_use_rate(pdesc, 1); 634 635 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 636 "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE); 637 } 638 639 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, 640 bool istx, u8 desc_name, u8 *val) 641 { 642 __le32 *pdesc = (__le32 *)pdesc8; 643 644 if (istx) { 645 switch (desc_name) { 646 case HW_DESC_OWN: 647 set_tx_desc_own(pdesc, 1); 648 break; 649 case HW_DESC_TX_NEXTDESC_ADDR: 650 set_tx_desc_next_desc_address(pdesc, *(u32 *)val); 651 break; 652 default: 653 WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not processed\n", 654 desc_name); 655 break; 656 } 657 } else { 658 switch (desc_name) { 659 case HW_DESC_RXOWN: 660 set_rx_desc_own(pdesc, 1); 661 break; 662 case HW_DESC_RXBUFF_ADDR: 663 set_rx_desc_buff_addr(pdesc, *(u32 *)val); 664 break; 665 case HW_DESC_RXPKT_LEN: 666 set_rx_desc_pkt_len(pdesc, *(u32 *)val); 667 break; 668 case HW_DESC_RXERO: 669 set_rx_desc_eor(pdesc, 1); 670 break; 671 default: 672 WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not process\n", 673 desc_name); 674 break; 675 } 676 } 677 } 678 679 u64 rtl8723be_get_desc(struct ieee80211_hw *hw, 680 u8 *pdesc8, bool istx, u8 desc_name) 681 { 682 u32 ret = 0; 683 __le32 *pdesc = (__le32 *)pdesc8; 684 685 if (istx) { 686 switch (desc_name) { 687 case HW_DESC_OWN: 688 ret = get_tx_desc_own(pdesc); 689 break; 690 case HW_DESC_TXBUFF_ADDR: 691 ret = get_tx_desc_tx_buffer_address(pdesc); 692 break; 693 default: 694 WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not process\n", 695 desc_name); 696 break; 697 } 698 } else { 699 switch (desc_name) { 700 case HW_DESC_OWN: 701 ret = get_rx_desc_own(pdesc); 702 break; 703 case HW_DESC_RXPKT_LEN: 704 ret = get_rx_desc_pkt_len(pdesc); 705 break; 706 case HW_DESC_RXBUFF_ADDR: 707 ret = get_rx_desc_buff_addr(pdesc); 708 break; 709 default: 710 WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not processed\n", 711 desc_name); 712 break; 713 } 714 } 715 return ret; 716 } 717 718 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw, 719 u8 hw_queue, u16 index) 720 { 721 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 722 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 723 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 724 u8 own = (u8)rtl8723be_get_desc(hw, entry, true, HW_DESC_OWN); 725 726 /*beacon packet will only use the first 727 *descriptor defautly,and the own may not 728 *be cleared by the hardware 729 */ 730 if (own) 731 return false; 732 return true; 733 } 734 735 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 736 { 737 struct rtl_priv *rtlpriv = rtl_priv(hw); 738 if (hw_queue == BEACON_QUEUE) { 739 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 740 } else { 741 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 742 BIT(0) << (hw_queue)); 743 } 744 } 745