1/****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 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 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * wlanfae <wlanfae@realtek.com> 23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 24 * Hsinchu 300, Taiwan. 25 * 26 * Larry Finger <Larry.Finger@lwfinger.net> 27 * 28 *****************************************************************************/ 29 30#include "../wifi.h" 31#include "../pci.h" 32#include "../base.h" 33#include "../stats.h" 34#include "reg.h" 35#include "def.h" 36#include "phy.h" 37#include "trx.h" 38#include "led.h" 39 40static u8 _rtl92ce_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue) 41{ 42 __le16 fc = rtl_get_fc(skb); 43 44 if (unlikely(ieee80211_is_beacon(fc))) 45 return QSLT_BEACON; 46 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) 47 return QSLT_MGNT; 48 49 return skb->priority; 50} 51 52static u8 _rtl92c_query_rxpwrpercentage(char antpower) 53{ 54 if ((antpower <= -100) || (antpower >= 20)) 55 return 0; 56 else if (antpower >= 0) 57 return 100; 58 else 59 return 100 + antpower; 60} 61 62static u8 _rtl92c_evm_db_to_percentage(char value) 63{ 64 char ret_val; 65 ret_val = value; 66 67 if (ret_val >= 0) 68 ret_val = 0; 69 70 if (ret_val <= -33) 71 ret_val = -33; 72 73 ret_val = 0 - ret_val; 74 ret_val *= 3; 75 76 if (ret_val == 99) 77 ret_val = 100; 78 79 return ret_val; 80} 81 82static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw, 83 long currsig) 84{ 85 long retsig; 86 87 if (currsig >= 61 && currsig <= 100) 88 retsig = 90 + ((currsig - 60) / 4); 89 else if (currsig >= 41 && currsig <= 60) 90 retsig = 78 + ((currsig - 40) / 2); 91 else if (currsig >= 31 && currsig <= 40) 92 retsig = 66 + (currsig - 30); 93 else if (currsig >= 21 && currsig <= 30) 94 retsig = 54 + (currsig - 20); 95 else if (currsig >= 5 && currsig <= 20) 96 retsig = 42 + (((currsig - 5) * 2) / 3); 97 else if (currsig == 4) 98 retsig = 36; 99 else if (currsig == 3) 100 retsig = 27; 101 else if (currsig == 2) 102 retsig = 18; 103 else if (currsig == 1) 104 retsig = 9; 105 else 106 retsig = currsig; 107 108 return retsig; 109} 110 111static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw, 112 struct rtl_stats *pstats, 113 struct rx_desc_92c *pdesc, 114 struct rx_fwinfo_92c *p_drvinfo, 115 bool packet_match_bssid, 116 bool packet_toself, 117 bool packet_beacon) 118{ 119 struct rtl_priv *rtlpriv = rtl_priv(hw); 120 struct phy_sts_cck_8192s_t *cck_buf; 121 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); 122 s8 rx_pwr_all = 0, rx_pwr[4]; 123 u8 evm, pwdb_all, rf_rx_num = 0; 124 u8 i, max_spatial_stream; 125 u32 rssi, total_rssi = 0; 126 bool is_cck_rate; 127 128 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); 129 pstats->packet_matchbssid = packet_match_bssid; 130 pstats->packet_toself = packet_toself; 131 pstats->is_cck = is_cck_rate; 132 pstats->packet_beacon = packet_beacon; 133 pstats->rx_mimo_sig_qual[0] = -1; 134 pstats->rx_mimo_sig_qual[1] = -1; 135 136 if (is_cck_rate) { 137 u8 report, cck_highpwr; 138 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; 139 140 if (ppsc->rfpwr_state == ERFON) 141 cck_highpwr = (u8) rtl_get_bbreg(hw, 142 RFPGA0_XA_HSSIPARAMETER2, 143 BIT(9)); 144 else 145 cck_highpwr = false; 146 147 if (!cck_highpwr) { 148 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 149 report = cck_buf->cck_agc_rpt & 0xc0; 150 report = report >> 6; 151 switch (report) { 152 case 0x3: 153 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); 154 break; 155 case 0x2: 156 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); 157 break; 158 case 0x1: 159 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); 160 break; 161 case 0x0: 162 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); 163 break; 164 } 165 } else { 166 u8 cck_agc_rpt = cck_buf->cck_agc_rpt; 167 report = p_drvinfo->cfosho[0] & 0x60; 168 report = report >> 5; 169 switch (report) { 170 case 0x3: 171 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); 172 break; 173 case 0x2: 174 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); 175 break; 176 case 0x1: 177 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); 178 break; 179 case 0x0: 180 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); 181 break; 182 } 183 } 184 185 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all); 186 /* CCK gain is smaller than OFDM/MCS gain, 187 * so we add gain diff by experiences, 188 * the val is 6 189 */ 190 pwdb_all += 6; 191 if (pwdb_all > 100) 192 pwdb_all = 100; 193 /* modify the offset to make the same 194 * gain index with OFDM. 195 */ 196 if (pwdb_all > 34 && pwdb_all <= 42) 197 pwdb_all -= 2; 198 else if (pwdb_all > 26 && pwdb_all <= 34) 199 pwdb_all -= 6; 200 else if (pwdb_all > 14 && pwdb_all <= 26) 201 pwdb_all -= 8; 202 else if (pwdb_all > 4 && pwdb_all <= 14) 203 pwdb_all -= 4; 204 205 pstats->rx_pwdb_all = pwdb_all; 206 pstats->recvsignalpower = rx_pwr_all; 207 208 /* (3) Get Signal Quality (EVM) */ 209 if (packet_match_bssid) { 210 u8 sq; 211 if (pstats->rx_pwdb_all > 40) 212 sq = 100; 213 else { 214 sq = cck_buf->sq_rpt; 215 if (sq > 64) 216 sq = 0; 217 else if (sq < 20) 218 sq = 100; 219 else 220 sq = ((64 - sq) * 100) / 44; 221 } 222 223 pstats->signalquality = sq; 224 pstats->rx_mimo_sig_qual[0] = sq; 225 pstats->rx_mimo_sig_qual[1] = -1; 226 } 227 } else { 228 rtlpriv->dm.rfpath_rxenable[0] = 229 rtlpriv->dm.rfpath_rxenable[1] = true; 230 /* (1)Get RSSI for HT rate */ 231 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { 232 /* we will judge RF RX path now. */ 233 if (rtlpriv->dm.rfpath_rxenable[i]) 234 rf_rx_num++; 235 236 rx_pwr[i] = 237 ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; 238 /* Translate DBM to percentage. */ 239 rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]); 240 total_rssi += rssi; 241 /* Get Rx snr value in DB */ 242 rtlpriv->stats.rx_snr_db[i] = 243 (long)(p_drvinfo->rxsnr[i] / 2); 244 245 /* Record Signal Strength for next packet */ 246 if (packet_match_bssid) 247 pstats->rx_mimo_signalstrength[i] = (u8) rssi; 248 } 249 250 /* (2)PWDB, Average PWDB cacluated by 251 * hardware (for rate adaptive) 252 */ 253 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; 254 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); 255 pstats->rx_pwdb_all = pwdb_all; 256 pstats->rxpower = rx_pwr_all; 257 pstats->recvsignalpower = rx_pwr_all; 258 259 /* (3)EVM of HT rate */ 260 if (pstats->is_ht && pstats->rate >= DESC_RATEMCS8 && 261 pstats->rate <= DESC_RATEMCS15) 262 max_spatial_stream = 2; 263 else 264 max_spatial_stream = 1; 265 266 for (i = 0; i < max_spatial_stream; i++) { 267 evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]); 268 269 if (packet_match_bssid) { 270 /* Fill value in RFD, Get the first 271 * spatial stream only 272 */ 273 if (i == 0) 274 pstats->signalquality = 275 (u8) (evm & 0xff); 276 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff); 277 } 278 } 279 } 280 281 /* UI BSS List signal strength(in percentage), 282 * make it good looking, from 0~100. 283 */ 284 if (is_cck_rate) 285 pstats->signalstrength = 286 (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all)); 287 else if (rf_rx_num != 0) 288 pstats->signalstrength = 289 (u8) (_rtl92ce_signal_scale_mapping 290 (hw, total_rssi /= rf_rx_num)); 291} 292 293static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw, 294 struct sk_buff *skb, 295 struct rtl_stats *pstats, 296 struct rx_desc_92c *pdesc, 297 struct rx_fwinfo_92c *p_drvinfo) 298{ 299 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 300 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 301 302 struct ieee80211_hdr *hdr; 303 u8 *tmp_buf; 304 u8 *praddr; 305 __le16 fc; 306 u16 type, c_fc; 307 bool packet_matchbssid, packet_toself, packet_beacon = false; 308 309 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; 310 311 hdr = (struct ieee80211_hdr *)tmp_buf; 312 fc = hdr->frame_control; 313 c_fc = le16_to_cpu(fc); 314 type = WLAN_FC_GET_TYPE(fc); 315 praddr = hdr->addr1; 316 317 packet_matchbssid = 318 ((IEEE80211_FTYPE_CTL != type) && 319 ether_addr_equal(mac->bssid, 320 (c_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : 321 (c_fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : 322 hdr->addr3) && 323 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); 324 325 packet_toself = packet_matchbssid && 326 ether_addr_equal(praddr, rtlefuse->dev_addr); 327 328 if (ieee80211_is_beacon(fc)) 329 packet_beacon = true; 330 331 _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, 332 packet_matchbssid, packet_toself, 333 packet_beacon); 334 335 rtl_process_phyinfo(hw, tmp_buf, pstats); 336} 337 338bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw, 339 struct rtl_stats *stats, 340 struct ieee80211_rx_status *rx_status, 341 u8 *p_desc, struct sk_buff *skb) 342{ 343 struct rx_fwinfo_92c *p_drvinfo; 344 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; 345 struct ieee80211_hdr *hdr; 346 u32 phystatus = GET_RX_DESC_PHYST(pdesc); 347 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 348 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * 349 RX_DRV_INFO_SIZE_UNIT; 350 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 351 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 352 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 353 stats->hwerror = (stats->crc | stats->icv); 354 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 355 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); 356 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 357 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 358 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 359 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 360 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 361 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); 362 stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc); 363 364 stats->is_cck = RX_HAL_IS_CCK_RATE(pdesc->rxmcs); 365 366 rx_status->freq = hw->conf.chandef.chan->center_freq; 367 rx_status->band = hw->conf.chandef.chan->band; 368 369 hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size 370 + stats->rx_bufshift); 371 372 if (stats->crc) 373 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 374 375 if (stats->rx_is40Mhzpacket) 376 rx_status->flag |= RX_FLAG_40MHZ; 377 378 if (stats->is_ht) 379 rx_status->flag |= RX_FLAG_HT; 380 381 rx_status->flag |= RX_FLAG_MACTIME_START; 382 383 /* hw will set stats->decrypted true, if it finds the 384 * frame is open data frame or mgmt frame. 385 * So hw will not decryption robust managment frame 386 * for IEEE80211w but still set status->decrypted 387 * true, so here we should set it back to undecrypted 388 * for IEEE80211w frame, and mac80211 sw will help 389 * to decrypt it 390 */ 391 if (stats->decrypted) { 392 if ((_ieee80211_is_robust_mgmt_frame(hdr)) && 393 (ieee80211_has_protected(hdr->frame_control))) 394 rx_status->flag &= ~RX_FLAG_DECRYPTED; 395 else 396 rx_status->flag |= RX_FLAG_DECRYPTED; 397 } 398 /* rate_idx: index of data rate into band's 399 * supported rates or MCS index if HT rates 400 * are use (RX_FLAG_HT) 401 * Notice: this is diff with windows define 402 */ 403 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 404 false, stats->rate); 405 406 rx_status->mactime = stats->timestamp_low; 407 if (phystatus) { 408 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + 409 stats->rx_bufshift); 410 411 _rtl92ce_translate_rx_signal_stuff(hw, 412 skb, stats, pdesc, 413 p_drvinfo); 414 } 415 416 /*rx_status->qual = stats->signal; */ 417 rx_status->signal = stats->recvsignalpower + 10; 418 419 return true; 420} 421 422void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw, 423 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 424 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 425 struct ieee80211_sta *sta, 426 struct sk_buff *skb, 427 u8 hw_queue, struct rtl_tcb_desc *tcb_desc) 428{ 429 struct rtl_priv *rtlpriv = rtl_priv(hw); 430 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 431 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 432 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 433 bool defaultadapter = true; 434 u8 *pdesc = pdesc_tx; 435 u16 seq_number; 436 __le16 fc = hdr->frame_control; 437 u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue); 438 bool firstseg = ((hdr->seq_ctrl & 439 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); 440 441 bool lastseg = ((hdr->frame_control & 442 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); 443 444 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 445 skb->data, skb->len, 446 PCI_DMA_TODEVICE); 447 448 u8 bw_40 = 0; 449 450 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 451 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 452 "DMA mapping error"); 453 return; 454 } 455 rcu_read_lock(); 456 sta = get_sta(hw, mac->vif, mac->bssid); 457 if (mac->opmode == NL80211_IFTYPE_STATION) { 458 bw_40 = mac->bw_40; 459 } else if (mac->opmode == NL80211_IFTYPE_AP || 460 mac->opmode == NL80211_IFTYPE_ADHOC || 461 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 462 if (sta) 463 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; 464 } 465 466 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 467 468 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc); 469 470 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c)); 471 472 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { 473 firstseg = true; 474 lastseg = true; 475 } 476 if (firstseg) { 477 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 478 479 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate); 480 481 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble) 482 SET_TX_DESC_DATA_SHORTGI(pdesc, 1); 483 484 if (info->flags & IEEE80211_TX_CTL_AMPDU) { 485 SET_TX_DESC_AGG_BREAK(pdesc, 1); 486 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); 487 } 488 SET_TX_DESC_SEQ(pdesc, seq_number); 489 490 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable && 491 !tcb_desc-> 492 cts_enable) ? 1 : 0)); 493 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 494 ((tcb_desc->rts_enable 495 || tcb_desc->cts_enable) ? 1 : 0)); 496 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0)); 497 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0)); 498 499 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate); 500 SET_TX_DESC_RTS_BW(pdesc, 0); 501 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc); 502 SET_TX_DESC_RTS_SHORT(pdesc, 503 ((tcb_desc->rts_rate <= DESC_RATE54M) ? 504 (tcb_desc->rts_use_shortpreamble ? 1 : 0) 505 : (tcb_desc->rts_use_shortgi ? 1 : 0))); 506 507 if (bw_40) { 508 if (tcb_desc->packet_bw) { 509 SET_TX_DESC_DATA_BW(pdesc, 1); 510 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); 511 } else { 512 SET_TX_DESC_DATA_BW(pdesc, 0); 513 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 514 mac->cur_40_prime_sc); 515 } 516 } else { 517 SET_TX_DESC_DATA_BW(pdesc, 0); 518 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); 519 } 520 521 SET_TX_DESC_LINIP(pdesc, 0); 522 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len); 523 524 if (sta) { 525 u8 ampdu_density = sta->ht_cap.ampdu_density; 526 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); 527 } 528 529 if (info->control.hw_key) { 530 struct ieee80211_key_conf *keyconf = 531 info->control.hw_key; 532 533 switch (keyconf->cipher) { 534 case WLAN_CIPHER_SUITE_WEP40: 535 case WLAN_CIPHER_SUITE_WEP104: 536 case WLAN_CIPHER_SUITE_TKIP: 537 SET_TX_DESC_SEC_TYPE(pdesc, 0x1); 538 break; 539 case WLAN_CIPHER_SUITE_CCMP: 540 SET_TX_DESC_SEC_TYPE(pdesc, 0x3); 541 break; 542 default: 543 SET_TX_DESC_SEC_TYPE(pdesc, 0x0); 544 break; 545 546 } 547 } 548 549 SET_TX_DESC_PKT_ID(pdesc, 0); 550 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); 551 552 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); 553 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); 554 SET_TX_DESC_DISABLE_FB(pdesc, 0); 555 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0); 556 557 if (ieee80211_is_data_qos(fc)) { 558 if (mac->rdg_en) { 559 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 560 "Enable RDG function\n"); 561 SET_TX_DESC_RDG_ENABLE(pdesc, 1); 562 SET_TX_DESC_HTC(pdesc, 1); 563 } 564 } 565 } 566 rcu_read_unlock(); 567 568 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); 569 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); 570 571 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len); 572 573 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 574 575 if (rtlpriv->dm.useramask) { 576 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index); 577 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id); 578 } else { 579 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index); 580 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index); 581 } 582 583 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { 584 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 585 SET_TX_DESC_PKT_ID(pdesc, 8); 586 587 if (!defaultadapter) 588 SET_TX_DESC_QOS(pdesc, 1); 589 } 590 591 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); 592 593 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 594 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 595 SET_TX_DESC_BMC(pdesc, 1); 596 } 597 598 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); 599} 600 601void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw, 602 u8 *pdesc, bool firstseg, 603 bool lastseg, struct sk_buff *skb) 604{ 605 struct rtl_priv *rtlpriv = rtl_priv(hw); 606 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 607 u8 fw_queue = QSLT_BEACON; 608 609 dma_addr_t mapping = pci_map_single(rtlpci->pdev, 610 skb->data, skb->len, 611 PCI_DMA_TODEVICE); 612 613 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 614 __le16 fc = hdr->frame_control; 615 616 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { 617 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 618 "DMA mapping error"); 619 return; 620 } 621 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); 622 623 if (firstseg) 624 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); 625 626 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 627 628 SET_TX_DESC_SEQ(pdesc, 0); 629 630 SET_TX_DESC_LINIP(pdesc, 0); 631 632 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 633 634 SET_TX_DESC_FIRST_SEG(pdesc, 1); 635 SET_TX_DESC_LAST_SEG(pdesc, 1); 636 637 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len)); 638 639 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); 640 641 SET_TX_DESC_RATE_ID(pdesc, 7); 642 SET_TX_DESC_MACID(pdesc, 0); 643 644 SET_TX_DESC_OWN(pdesc, 1); 645 646 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len)); 647 648 SET_TX_DESC_FIRST_SEG(pdesc, 1); 649 SET_TX_DESC_LAST_SEG(pdesc, 1); 650 651 SET_TX_DESC_OFFSET(pdesc, 0x20); 652 653 SET_TX_DESC_USE_RATE(pdesc, 1); 654 655 if (!ieee80211_is_data_qos(fc)) { 656 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 657 SET_TX_DESC_PKT_ID(pdesc, 8); 658 } 659 660 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, 661 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); 662} 663 664void rtl92ce_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx, 665 u8 desc_name, u8 *val) 666{ 667 if (istx) { 668 switch (desc_name) { 669 case HW_DESC_OWN: 670 wmb(); 671 SET_TX_DESC_OWN(pdesc, 1); 672 break; 673 case HW_DESC_TX_NEXTDESC_ADDR: 674 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); 675 break; 676 default: 677 RT_ASSERT(false, "ERR txdesc :%d not process\n", 678 desc_name); 679 break; 680 } 681 } else { 682 switch (desc_name) { 683 case HW_DESC_RXOWN: 684 wmb(); 685 SET_RX_DESC_OWN(pdesc, 1); 686 break; 687 case HW_DESC_RXBUFF_ADDR: 688 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); 689 break; 690 case HW_DESC_RXPKT_LEN: 691 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); 692 break; 693 case HW_DESC_RXERO: 694 SET_RX_DESC_EOR(pdesc, 1); 695 break; 696 default: 697 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 698 desc_name); 699 break; 700 } 701 } 702} 703 704u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name) 705{ 706 u32 ret = 0; 707 708 if (istx) { 709 switch (desc_name) { 710 case HW_DESC_OWN: 711 ret = GET_TX_DESC_OWN(p_desc); 712 break; 713 case HW_DESC_TXBUFF_ADDR: 714 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); 715 break; 716 default: 717 RT_ASSERT(false, "ERR txdesc :%d not process\n", 718 desc_name); 719 break; 720 } 721 } else { 722 switch (desc_name) { 723 case HW_DESC_OWN: 724 ret = GET_RX_DESC_OWN(p_desc); 725 break; 726 case HW_DESC_RXPKT_LEN: 727 ret = GET_RX_DESC_PKT_LEN(p_desc); 728 break; 729 case HW_DESC_RXBUFF_ADDR: 730 ret = GET_RX_DESC_BUFF_ADDR(p_desc); 731 break; 732 default: 733 RT_ASSERT(false, "ERR rxdesc :%d not process\n", 734 desc_name); 735 break; 736 } 737 } 738 return ret; 739} 740 741bool rtl92ce_is_tx_desc_closed(struct ieee80211_hw *hw, 742 u8 hw_queue, u16 index) 743{ 744 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 745 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 746 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 747 u8 own = (u8)rtl92ce_get_desc(entry, true, HW_DESC_OWN); 748 749 /*beacon packet will only use the first 750 *descriptor defautly,and the own may not 751 *be cleared by the hardware 752 */ 753 if (own) 754 return false; 755 return true; 756} 757 758void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) 759{ 760 struct rtl_priv *rtlpriv = rtl_priv(hw); 761 if (hw_queue == BEACON_QUEUE) { 762 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); 763 } else { 764 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, 765 BIT(0) << (hw_queue)); 766 } 767} 768 769