1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
40 static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue)
42 __le16 fc = rtl_get_fc(skb);
44 if (unlikely(ieee80211_is_beacon(fc)))
46 if (ieee80211_is_mgmt(fc))
48 if (ieee80211_is_nullfunc(fc))
54 static int _rtl92se_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu)
67 case DESC92S_RATE5_5M:
115 case DESC92S_RATE5_5M:
118 case DESC92S_RATE11M:
127 case DESC92S_RATE12M:
130 case DESC92S_RATE18M:
133 case DESC92S_RATE24M:
136 case DESC92S_RATE36M:
139 case DESC92S_RATE48M:
142 case DESC92S_RATE54M:
152 static u8 _rtl92s_query_rxpwrpercentage(char antpower)
154 if ((antpower <= -100) || (antpower >= 20))
156 else if (antpower >= 0)
159 return 100 + antpower;
162 static u8 _rtl92s_evm_db_to_percentage(char value)
173 ret_val = 0 - ret_val;
182 static long _rtl92se_translate_todbm(struct ieee80211_hw *hw,
183 u8 signal_strength_index)
187 signal_power = (long)((signal_strength_index + 1) >> 1);
192 static long _rtl92se_signal_scale_mapping(struct ieee80211_hw *hw,
197 /* Step 1. Scale mapping. */
200 else if (currsig > 14 && currsig <= 47)
201 retsig = 100 - ((47 - currsig) * 3) / 2;
202 else if (currsig > 2 && currsig <= 14)
203 retsig = 48 - ((14 - currsig) * 15) / 7;
204 else if (currsig >= 0)
205 retsig = currsig * 9 + 1;
211 static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
212 struct rtl_stats *pstats, u8 *pdesc,
213 struct rx_fwinfo *p_drvinfo,
214 bool packet_match_bssid,
218 struct rtl_priv *rtlpriv = rtl_priv(hw);
219 struct phy_sts_cck_8192s_t *cck_buf;
220 s8 rx_pwr_all = 0, rx_pwr[4];
221 u8 rf_rx_num = 0, evm, pwdb_all;
222 u8 i, max_spatial_stream;
223 u32 rssi, total_rssi = 0;
224 bool in_powersavemode = false;
227 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
228 pstats->packet_matchbssid = packet_match_bssid;
229 pstats->packet_toself = packet_toself;
230 pstats->is_cck = is_cck_rate;
231 pstats->packet_beacon = packet_beacon;
232 pstats->is_cck = is_cck_rate;
233 pstats->rx_mimo_signalquality[0] = -1;
234 pstats->rx_mimo_signalquality[1] = -1;
237 u8 report, cck_highpwr;
238 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
240 if (!in_powersavemode)
241 cck_highpwr = (u8) rtl_get_bbreg(hw,
242 RFPGA0_XA_HSSIPARAMETER2,
248 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
249 report = cck_buf->cck_agc_rpt & 0xc0;
250 report = report >> 6;
253 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
256 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
259 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
262 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
266 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
267 report = p_drvinfo->cfosho[0] & 0x60;
268 report = report >> 5;
271 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
274 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
277 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
280 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
285 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
287 /* CCK gain is smaller than OFDM/MCS gain, */
288 /* so we add gain diff by experiences, the val is 6 */
292 /* modify the offset to make the same gain index with OFDM. */
293 if (pwdb_all > 34 && pwdb_all <= 42)
295 else if (pwdb_all > 26 && pwdb_all <= 34)
297 else if (pwdb_all > 14 && pwdb_all <= 26)
299 else if (pwdb_all > 4 && pwdb_all <= 14)
302 pstats->rx_pwdb_all = pwdb_all;
303 pstats->recvsignalpower = rx_pwr_all;
305 if (packet_match_bssid) {
307 if (pstats->rx_pwdb_all > 40) {
310 sq = cck_buf->sq_rpt;
316 sq = ((64 - sq) * 100) / 44;
319 pstats->signalquality = sq;
320 pstats->rx_mimo_signalquality[0] = sq;
321 pstats->rx_mimo_signalquality[1] = -1;
324 rtlpriv->dm.rfpath_rxenable[0] =
325 rtlpriv->dm.rfpath_rxenable[1] = true;
326 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
327 if (rtlpriv->dm.rfpath_rxenable[i])
330 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
332 rssi = _rtl92s_query_rxpwrpercentage(rx_pwr[i]);
334 rtlpriv->stats.rx_snr_db[i] =
335 (long)(p_drvinfo->rxsnr[i] / 2);
337 if (packet_match_bssid)
338 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
341 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
342 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
343 pstats->rx_pwdb_all = pwdb_all;
344 pstats->rxpower = rx_pwr_all;
345 pstats->recvsignalpower = rx_pwr_all;
347 if (GET_RX_STATUS_DESC_RX_HT(pdesc) &&
348 GET_RX_STATUS_DESC_RX_MCS(pdesc) >= DESC92S_RATEMCS8 &&
349 GET_RX_STATUS_DESC_RX_MCS(pdesc) <= DESC92S_RATEMCS15)
350 max_spatial_stream = 2;
352 max_spatial_stream = 1;
354 for (i = 0; i < max_spatial_stream; i++) {
355 evm = _rtl92s_evm_db_to_percentage(p_drvinfo->rxevm[i]);
357 if (packet_match_bssid) {
359 pstats->signalquality = (u8)(evm &
361 pstats->rx_mimo_signalquality[i] =
368 pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
370 else if (rf_rx_num != 0)
371 pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw,
372 total_rssi /= rf_rx_num));
375 static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw,
376 struct rtl_stats *pstats)
378 struct rtl_priv *rtlpriv = rtl_priv(hw);
379 struct rtl_phy *rtlphy = &(rtlpriv->phy);
381 u32 last_rssi, tmpval;
383 if (pstats->packet_toself || pstats->packet_beacon) {
384 rtlpriv->stats.rssi_calculate_cnt++;
386 if (rtlpriv->stats.ui_rssi.total_num++ >=
387 PHY_RSSI_SLID_WIN_MAX) {
388 rtlpriv->stats.ui_rssi.total_num =
389 PHY_RSSI_SLID_WIN_MAX;
390 last_rssi = rtlpriv->stats.ui_rssi.elements[
391 rtlpriv->stats.ui_rssi.index];
392 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
395 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
396 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++]
397 = pstats->signalstrength;
399 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
400 rtlpriv->stats.ui_rssi.index = 0;
402 tmpval = rtlpriv->stats.ui_rssi.total_val /
403 rtlpriv->stats.ui_rssi.total_num;
404 rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw,
406 pstats->rssi = rtlpriv->stats.signal_strength;
409 if (!pstats->is_cck && pstats->packet_toself) {
410 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
412 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
413 rtlpriv->stats.rx_rssi_percentage[rfpath] =
414 pstats->rx_mimo_signalstrength[rfpath];
418 if (pstats->rx_mimo_signalstrength[rfpath] >
419 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
420 rtlpriv->stats.rx_rssi_percentage[rfpath] =
421 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
422 * (RX_SMOOTH_FACTOR - 1)) +
423 (pstats->rx_mimo_signalstrength[rfpath])) /
426 rtlpriv->stats.rx_rssi_percentage[rfpath] =
427 rtlpriv->stats.rx_rssi_percentage[rfpath]
430 rtlpriv->stats.rx_rssi_percentage[rfpath] =
431 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
432 * (RX_SMOOTH_FACTOR - 1)) +
433 (pstats->rx_mimo_signalstrength[rfpath])) /
441 static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw,
442 struct rtl_stats *pstats)
444 struct rtl_priv *rtlpriv = rtl_priv(hw);
447 if (rtlpriv->stats.recv_signal_power == 0)
448 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
450 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
452 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
455 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5
456 + pstats->recvsignalpower +
460 static void _rtl92se_process_pwdb(struct ieee80211_hw *hw,
461 struct rtl_stats *pstats)
463 struct rtl_priv *rtlpriv = rtl_priv(hw);
464 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
465 long undec_sm_pwdb = 0;
467 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
471 rtlpriv->dm.undecorated_smoothed_pwdb;
474 if (pstats->packet_toself || pstats->packet_beacon) {
475 if (undec_sm_pwdb < 0)
476 undec_sm_pwdb = pstats->rx_pwdb_all;
478 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
481 (RX_SMOOTH_FACTOR - 1)) +
482 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
484 undec_sm_pwdb = undec_sm_pwdb + 1;
486 undec_sm_pwdb = (((undec_sm_pwdb) *
487 (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) /
491 rtlpriv->dm.undecorated_smoothed_pwdb = undec_sm_pwdb;
492 _rtl92se_update_rxsignalstatistics(hw, pstats);
496 static void rtl_92s_process_streams(struct ieee80211_hw *hw,
497 struct rtl_stats *pstats)
499 struct rtl_priv *rtlpriv = rtl_priv(hw);
502 for (stream = 0; stream < 2; stream++) {
503 if (pstats->rx_mimo_signalquality[stream] != -1) {
504 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
505 rtlpriv->stats.rx_evm_percentage[stream] =
506 pstats->rx_mimo_signalquality[stream];
509 rtlpriv->stats.rx_evm_percentage[stream] =
510 ((rtlpriv->stats.rx_evm_percentage[stream] *
511 (RX_SMOOTH_FACTOR - 1)) +
512 (pstats->rx_mimo_signalquality[stream] *
513 1)) / (RX_SMOOTH_FACTOR);
518 static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw,
519 struct rtl_stats *pstats)
521 struct rtl_priv *rtlpriv = rtl_priv(hw);
522 u32 last_evm = 0, tmpval;
524 if (pstats->signalquality != 0) {
525 if (pstats->packet_toself || pstats->packet_beacon) {
527 if (rtlpriv->stats.ui_link_quality.total_num++ >=
528 PHY_LINKQUALITY_SLID_WIN_MAX) {
529 rtlpriv->stats.ui_link_quality.total_num =
530 PHY_LINKQUALITY_SLID_WIN_MAX;
532 rtlpriv->stats.ui_link_quality.elements[
533 rtlpriv->stats.ui_link_quality.index];
534 rtlpriv->stats.ui_link_quality.total_val -=
538 rtlpriv->stats.ui_link_quality.total_val +=
539 pstats->signalquality;
540 rtlpriv->stats.ui_link_quality.elements[
541 rtlpriv->stats.ui_link_quality.index++] =
542 pstats->signalquality;
544 if (rtlpriv->stats.ui_link_quality.index >=
545 PHY_LINKQUALITY_SLID_WIN_MAX)
546 rtlpriv->stats.ui_link_quality.index = 0;
548 tmpval = rtlpriv->stats.ui_link_quality.total_val /
549 rtlpriv->stats.ui_link_quality.total_num;
550 rtlpriv->stats.signal_quality = tmpval;
552 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
554 rtl_92s_process_streams(hw, pstats);
560 static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw,
562 struct rtl_stats *pcurrent_stats)
565 if (!pcurrent_stats->packet_matchbssid &&
566 !pcurrent_stats->packet_beacon)
569 _rtl92se_process_ui_rssi(hw, pcurrent_stats);
570 _rtl92se_process_pwdb(hw, pcurrent_stats);
571 _rtl92se_process_ui_link_quality(hw, pcurrent_stats);
574 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
575 struct sk_buff *skb, struct rtl_stats *pstats,
576 u8 *pdesc, struct rx_fwinfo *p_drvinfo)
578 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
579 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
581 struct ieee80211_hdr *hdr;
586 bool packet_matchbssid, packet_toself, packet_beacon;
588 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
590 hdr = (struct ieee80211_hdr *)tmp_buf;
591 fc = hdr->frame_control;
592 cfc = le16_to_cpu(fc);
593 type = WLAN_FC_GET_TYPE(fc);
596 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
597 (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ?
598 hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ?
599 hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) &&
600 (!pstats->crc) && (!pstats->icv));
602 packet_toself = packet_matchbssid &&
603 (!compare_ether_addr(praddr, rtlefuse->dev_addr));
605 if (ieee80211_is_beacon(fc))
606 packet_beacon = true;
608 _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
609 packet_matchbssid, packet_toself, packet_beacon);
610 _rtl92se_process_phyinfo(hw, tmp_buf, pstats);
613 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
614 struct ieee80211_rx_status *rx_status, u8 *pdesc,
617 struct rx_fwinfo *p_drvinfo;
618 u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
620 stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
621 stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
622 stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
623 stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
624 stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
625 stats->hwerror = (u16)(stats->crc | stats->icv);
626 stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
628 stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
629 stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
630 stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
631 stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
632 stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
637 rx_status->freq = hw->conf.channel->center_freq;
638 rx_status->band = hw->conf.channel->band;
640 if (GET_RX_STATUS_DESC_CRC32(pdesc))
641 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
643 if (!GET_RX_STATUS_DESC_SWDEC(pdesc))
644 rx_status->flag |= RX_FLAG_DECRYPTED;
646 if (GET_RX_STATUS_DESC_BW(pdesc))
647 rx_status->flag |= RX_FLAG_40MHZ;
649 if (GET_RX_STATUS_DESC_RX_HT(pdesc))
650 rx_status->flag |= RX_FLAG_HT;
652 rx_status->flag |= RX_FLAG_MACTIME_MPDU;
654 if (stats->decrypted)
655 rx_status->flag |= RX_FLAG_DECRYPTED;
657 rx_status->rate_idx = _rtl92se_rate_mapping((bool)
658 GET_RX_STATUS_DESC_RX_HT(pdesc),
659 (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc),
660 (bool)GET_RX_STATUS_DESC_PAGGR(pdesc));
663 rx_status->mactime = GET_RX_STATUS_DESC_TSFL(pdesc);
665 p_drvinfo = (struct rx_fwinfo *)(skb->data +
667 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
671 /*rx_status->qual = stats->signal; */
672 rx_status->signal = stats->rssi + 10;
673 /*rx_status->noise = -stats->noise; */
678 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
679 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
680 struct ieee80211_tx_info *info, struct sk_buff *skb,
681 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
683 struct rtl_priv *rtlpriv = rtl_priv(hw);
684 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
685 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
686 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
687 struct ieee80211_sta *sta = info->control.sta;
688 u8 *pdesc = (u8 *) pdesc_tx;
690 __le16 fc = hdr->frame_control;
691 u8 reserved_macid = 0;
692 u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
693 bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
694 bool lastseg = (!(hdr->frame_control &
695 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
696 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
700 if (mac->opmode == NL80211_IFTYPE_STATION) {
702 } else if (mac->opmode == NL80211_IFTYPE_AP ||
703 mac->opmode == NL80211_IFTYPE_ADHOC) {
705 bw_40 = sta->ht_cap.cap &
706 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
709 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
711 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
713 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
716 if (rtlpriv->dm.useramask) {
717 /* set txdesc macId */
718 if (ptcb_desc->mac_id < 32) {
719 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
720 reserved_macid |= ptcb_desc->mac_id;
723 SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
725 SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
726 DESC92S_RATEMCS0) ? 1 : 0));
728 if (rtlhal->version == VERSION_8192S_ACUT) {
729 if (ptcb_desc->hw_rate == DESC92S_RATE1M ||
730 ptcb_desc->hw_rate == DESC92S_RATE2M ||
731 ptcb_desc->hw_rate == DESC92S_RATE5_5M ||
732 ptcb_desc->hw_rate == DESC92S_RATE11M) {
733 ptcb_desc->hw_rate = DESC92S_RATE12M;
737 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
739 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
740 SET_TX_DESC_TX_SHORT(pdesc, 0);
742 /* Aggregation related */
743 if (info->flags & IEEE80211_TX_CTL_AMPDU)
744 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
746 /* For AMPDU, we must insert SSN into TX_DESC */
747 SET_TX_DESC_SEQ(pdesc, seq_number);
749 /* Protection mode related */
750 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
751 /* We choose only one protection mode to execute */
752 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
753 !ptcb_desc->cts_enable) ? 1 : 0));
754 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
756 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
758 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
759 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
760 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
761 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
763 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
764 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
767 /* Set Bandwidth and sub-channel settings. */
769 if (ptcb_desc->packet_bw) {
770 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
771 /* use duplicated mode */
772 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
774 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
775 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
776 mac->cur_40_prime_sc);
779 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
780 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
783 /* 3 Fill necessary field in First Descriptor */
785 SET_TX_DESC_LINIP(pdesc, 0);
786 SET_TX_DESC_OFFSET(pdesc, 32);
787 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
790 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
792 /* Fill security related */
793 if (info->control.hw_key) {
794 struct ieee80211_key_conf *keyconf;
796 keyconf = info->control.hw_key;
797 switch (keyconf->cipher) {
798 case WLAN_CIPHER_SUITE_WEP40:
799 case WLAN_CIPHER_SUITE_WEP104:
800 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
802 case WLAN_CIPHER_SUITE_TKIP:
803 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
805 case WLAN_CIPHER_SUITE_CCMP:
806 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
809 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
816 SET_TX_DESC_PACKET_ID(pdesc, 0);
818 /* We will assign magement queue to BK. */
819 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
821 /* Alwasy enable all rate fallback range */
822 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
824 /* Fix: I don't kown why hw use 6.5M to tx when set it */
825 SET_TX_DESC_USER_RATE(pdesc,
826 ptcb_desc->use_driver_rate ? 1 : 0);
828 /* Set NON_QOS bit. */
829 if (!ieee80211_is_data_qos(fc))
830 SET_TX_DESC_NON_QOS(pdesc, 1);
834 /* Fill fields that are required to be initialized
835 * in all of the descriptors */
837 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
838 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
841 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
844 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
846 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
849 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
850 bool firstseg, bool lastseg, struct sk_buff *skb)
852 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
853 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
854 struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
856 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
859 /* Clear all status */
860 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
862 /* This bit indicate this packet is used for FW download. */
863 if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
864 /* For firmware downlaod we only need to set LINIP */
865 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
867 /* 92SE must set as 1 for firmware download HW DMA error */
868 SET_TX_DESC_FIRST_SEG(pdesc, 1);
869 SET_TX_DESC_LAST_SEG(pdesc, 1);
871 /* 92SE need not to set TX packet size when firmware download */
872 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
873 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
874 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
877 SET_TX_DESC_OWN(pdesc, 1);
878 } else { /* H2C Command Desc format (Host TXCMD) */
879 /* 92SE must set as 1 for firmware download HW DMA error */
880 SET_TX_DESC_FIRST_SEG(pdesc, 1);
881 SET_TX_DESC_LAST_SEG(pdesc, 1);
883 SET_TX_DESC_OFFSET(pdesc, 0x20);
885 /* Buffer size + command header */
886 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
887 /* Fixed queue of H2C command */
888 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
890 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
892 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
893 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
896 SET_TX_DESC_OWN(pdesc, 1);
901 void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
907 SET_TX_DESC_OWN(pdesc, 1);
909 case HW_DESC_TX_NEXTDESC_ADDR:
910 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
913 RT_ASSERT(false, ("ERR txdesc :%d not process\n",
921 SET_RX_STATUS_DESC_OWN(pdesc, 1);
923 case HW_DESC_RXBUFF_ADDR:
924 SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
926 case HW_DESC_RXPKT_LEN:
927 SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
930 SET_RX_STATUS_DESC_EOR(pdesc, 1);
933 RT_ASSERT(false, ("ERR rxdesc :%d not process\n",
940 u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
947 ret = GET_TX_DESC_OWN(desc);
949 case HW_DESC_TXBUFF_ADDR:
950 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
953 RT_ASSERT(false, ("ERR txdesc :%d not process\n",
960 ret = GET_RX_STATUS_DESC_OWN(desc);
962 case HW_DESC_RXPKT_LEN:
963 ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
966 RT_ASSERT(false, ("ERR rxdesc :%d not process\n",
974 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
976 struct rtl_priv *rtlpriv = rtl_priv(hw);
977 rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));