1 /******************************************************************************
3 * Copyright(c) 2009-2012 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 u8 _rtl92s_query_rxpwrpercentage(char antpower)
56 if ((antpower <= -100) || (antpower >= 20))
58 else if (antpower >= 0)
61 return 100 + antpower;
64 static u8 _rtl92s_evm_db_to_percentage(char value)
75 ret_val = 0 - ret_val;
84 static long _rtl92se_translate_todbm(struct ieee80211_hw *hw,
85 u8 signal_strength_index)
89 signal_power = (long)((signal_strength_index + 1) >> 1);
94 static long _rtl92se_signal_scale_mapping(struct ieee80211_hw *hw,
99 /* Step 1. Scale mapping. */
102 else if (currsig > 14 && currsig <= 47)
103 retsig = 100 - ((47 - currsig) * 3) / 2;
104 else if (currsig > 2 && currsig <= 14)
105 retsig = 48 - ((14 - currsig) * 15) / 7;
106 else if (currsig >= 0)
107 retsig = currsig * 9 + 1;
113 static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
114 struct rtl_stats *pstats, u8 *pdesc,
115 struct rx_fwinfo *p_drvinfo,
116 bool packet_match_bssid,
120 struct rtl_priv *rtlpriv = rtl_priv(hw);
121 struct phy_sts_cck_8192s_t *cck_buf;
122 s8 rx_pwr_all = 0, rx_pwr[4];
123 u8 rf_rx_num = 0, evm, pwdb_all;
124 u8 i, max_spatial_stream;
125 u32 rssi, total_rssi = 0;
126 bool in_powersavemode = false;
127 bool is_cck = pstats->is_cck;
129 pstats->packet_matchbssid = packet_match_bssid;
130 pstats->packet_toself = packet_toself;
131 pstats->packet_beacon = packet_beacon;
132 pstats->rx_mimo_sig_qual[0] = -1;
133 pstats->rx_mimo_sig_qual[1] = -1;
136 u8 report, cck_highpwr;
137 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
139 if (!in_powersavemode)
140 cck_highpwr = (u8) rtl_get_bbreg(hw,
141 RFPGA0_XA_HSSIPARAMETER2,
147 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
148 report = cck_buf->cck_agc_rpt & 0xc0;
149 report = report >> 6;
152 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
155 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
158 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
161 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
165 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
166 report = p_drvinfo->cfosho[0] & 0x60;
167 report = report >> 5;
170 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
173 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
176 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
179 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
184 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
186 /* CCK gain is smaller than OFDM/MCS gain, */
187 /* so we add gain diff by experiences, the val is 6 */
191 /* modify the offset to make the same gain index with OFDM. */
192 if (pwdb_all > 34 && pwdb_all <= 42)
194 else if (pwdb_all > 26 && pwdb_all <= 34)
196 else if (pwdb_all > 14 && pwdb_all <= 26)
198 else if (pwdb_all > 4 && pwdb_all <= 14)
201 pstats->rx_pwdb_all = pwdb_all;
202 pstats->recvsignalpower = rx_pwr_all;
204 if (packet_match_bssid) {
206 if (pstats->rx_pwdb_all > 40) {
209 sq = cck_buf->sq_rpt;
215 sq = ((64 - sq) * 100) / 44;
218 pstats->signalquality = sq;
219 pstats->rx_mimo_sig_qual[0] = sq;
220 pstats->rx_mimo_sig_qual[1] = -1;
223 rtlpriv->dm.rfpath_rxenable[0] =
224 rtlpriv->dm.rfpath_rxenable[1] = true;
225 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
226 if (rtlpriv->dm.rfpath_rxenable[i])
229 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
231 rssi = _rtl92s_query_rxpwrpercentage(rx_pwr[i]);
233 rtlpriv->stats.rx_snr_db[i] =
234 (long)(p_drvinfo->rxsnr[i] / 2);
236 if (packet_match_bssid)
237 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
240 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
241 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
242 pstats->rx_pwdb_all = pwdb_all;
243 pstats->rxpower = rx_pwr_all;
244 pstats->recvsignalpower = rx_pwr_all;
246 if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
247 pstats->rate <= DESC92_RATEMCS15)
248 max_spatial_stream = 2;
250 max_spatial_stream = 1;
252 for (i = 0; i < max_spatial_stream; i++) {
253 evm = _rtl92s_evm_db_to_percentage(p_drvinfo->rxevm[i]);
255 if (packet_match_bssid) {
257 pstats->signalquality = (u8)(evm &
259 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
265 pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
267 else if (rf_rx_num != 0)
268 pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw,
269 total_rssi /= rf_rx_num));
272 static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw,
273 struct rtl_stats *pstats)
275 struct rtl_priv *rtlpriv = rtl_priv(hw);
276 struct rtl_phy *rtlphy = &(rtlpriv->phy);
278 u32 last_rssi, tmpval;
280 if (pstats->packet_toself || pstats->packet_beacon) {
281 rtlpriv->stats.rssi_calculate_cnt++;
283 if (rtlpriv->stats.ui_rssi.total_num++ >=
284 PHY_RSSI_SLID_WIN_MAX) {
285 rtlpriv->stats.ui_rssi.total_num =
286 PHY_RSSI_SLID_WIN_MAX;
287 last_rssi = rtlpriv->stats.ui_rssi.elements[
288 rtlpriv->stats.ui_rssi.index];
289 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
292 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
293 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++]
294 = pstats->signalstrength;
296 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
297 rtlpriv->stats.ui_rssi.index = 0;
299 tmpval = rtlpriv->stats.ui_rssi.total_val /
300 rtlpriv->stats.ui_rssi.total_num;
301 rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw,
303 pstats->rssi = rtlpriv->stats.signal_strength;
306 if (!pstats->is_cck && pstats->packet_toself) {
307 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
309 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
310 rtlpriv->stats.rx_rssi_percentage[rfpath] =
311 pstats->rx_mimo_signalstrength[rfpath];
315 if (pstats->rx_mimo_signalstrength[rfpath] >
316 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
317 rtlpriv->stats.rx_rssi_percentage[rfpath] =
318 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
319 * (RX_SMOOTH_FACTOR - 1)) +
320 (pstats->rx_mimo_signalstrength[rfpath])) /
323 rtlpriv->stats.rx_rssi_percentage[rfpath] =
324 rtlpriv->stats.rx_rssi_percentage[rfpath]
327 rtlpriv->stats.rx_rssi_percentage[rfpath] =
328 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
329 * (RX_SMOOTH_FACTOR - 1)) +
330 (pstats->rx_mimo_signalstrength[rfpath])) /
338 static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw,
339 struct rtl_stats *pstats)
341 struct rtl_priv *rtlpriv = rtl_priv(hw);
344 if (rtlpriv->stats.recv_signal_power == 0)
345 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
347 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
349 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
352 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5
353 + pstats->recvsignalpower +
357 static void _rtl92se_process_pwdb(struct ieee80211_hw *hw,
358 struct rtl_stats *pstats)
360 struct rtl_priv *rtlpriv = rtl_priv(hw);
361 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
362 long undec_sm_pwdb = 0;
364 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
368 rtlpriv->dm.undec_sm_pwdb;
371 if (pstats->packet_toself || pstats->packet_beacon) {
372 if (undec_sm_pwdb < 0)
373 undec_sm_pwdb = pstats->rx_pwdb_all;
375 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
378 (RX_SMOOTH_FACTOR - 1)) +
379 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
381 undec_sm_pwdb = undec_sm_pwdb + 1;
383 undec_sm_pwdb = (((undec_sm_pwdb) *
384 (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) /
388 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
389 _rtl92se_update_rxsignalstatistics(hw, pstats);
393 static void rtl_92s_process_streams(struct ieee80211_hw *hw,
394 struct rtl_stats *pstats)
396 struct rtl_priv *rtlpriv = rtl_priv(hw);
399 for (stream = 0; stream < 2; stream++) {
400 if (pstats->rx_mimo_sig_qual[stream] != -1) {
401 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
402 rtlpriv->stats.rx_evm_percentage[stream] =
403 pstats->rx_mimo_sig_qual[stream];
406 rtlpriv->stats.rx_evm_percentage[stream] =
407 ((rtlpriv->stats.rx_evm_percentage[stream] *
408 (RX_SMOOTH_FACTOR - 1)) +
409 (pstats->rx_mimo_sig_qual[stream] *
410 1)) / (RX_SMOOTH_FACTOR);
415 static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw,
416 struct rtl_stats *pstats)
418 struct rtl_priv *rtlpriv = rtl_priv(hw);
419 u32 last_evm = 0, tmpval;
421 if (pstats->signalquality != 0) {
422 if (pstats->packet_toself || pstats->packet_beacon) {
424 if (rtlpriv->stats.ui_link_quality.total_num++ >=
425 PHY_LINKQUALITY_SLID_WIN_MAX) {
426 rtlpriv->stats.ui_link_quality.total_num =
427 PHY_LINKQUALITY_SLID_WIN_MAX;
429 rtlpriv->stats.ui_link_quality.elements[
430 rtlpriv->stats.ui_link_quality.index];
431 rtlpriv->stats.ui_link_quality.total_val -=
435 rtlpriv->stats.ui_link_quality.total_val +=
436 pstats->signalquality;
437 rtlpriv->stats.ui_link_quality.elements[
438 rtlpriv->stats.ui_link_quality.index++] =
439 pstats->signalquality;
441 if (rtlpriv->stats.ui_link_quality.index >=
442 PHY_LINKQUALITY_SLID_WIN_MAX)
443 rtlpriv->stats.ui_link_quality.index = 0;
445 tmpval = rtlpriv->stats.ui_link_quality.total_val /
446 rtlpriv->stats.ui_link_quality.total_num;
447 rtlpriv->stats.signal_quality = tmpval;
449 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
451 rtl_92s_process_streams(hw, pstats);
457 static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw,
459 struct rtl_stats *pcurrent_stats)
462 if (!pcurrent_stats->packet_matchbssid &&
463 !pcurrent_stats->packet_beacon)
466 _rtl92se_process_ui_rssi(hw, pcurrent_stats);
467 _rtl92se_process_pwdb(hw, pcurrent_stats);
468 _rtl92se_process_ui_link_quality(hw, pcurrent_stats);
471 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
472 struct sk_buff *skb, struct rtl_stats *pstats,
473 u8 *pdesc, struct rx_fwinfo *p_drvinfo)
475 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
476 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
478 struct ieee80211_hdr *hdr;
483 bool packet_matchbssid, packet_toself, packet_beacon = false;
485 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
487 hdr = (struct ieee80211_hdr *)tmp_buf;
488 fc = hdr->frame_control;
489 cfc = le16_to_cpu(fc);
490 type = WLAN_FC_GET_TYPE(fc);
493 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
494 ether_addr_equal(mac->bssid,
495 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
496 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
498 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
500 packet_toself = packet_matchbssid &&
501 ether_addr_equal(praddr, rtlefuse->dev_addr);
503 if (ieee80211_is_beacon(fc))
504 packet_beacon = true;
506 _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
507 packet_matchbssid, packet_toself, packet_beacon);
508 _rtl92se_process_phyinfo(hw, tmp_buf, pstats);
511 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
512 struct ieee80211_rx_status *rx_status, u8 *pdesc,
515 struct rx_fwinfo *p_drvinfo;
516 u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
517 struct ieee80211_hdr *hdr;
518 bool first_ampdu = false;
520 stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
521 stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
522 stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
523 stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
524 stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
525 stats->hwerror = (u16)(stats->crc | stats->icv);
526 stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
528 stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
529 stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
530 stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
531 stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
532 && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
533 stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
534 stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
535 stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
536 stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
541 rx_status->freq = hw->conf.channel->center_freq;
542 rx_status->band = hw->conf.channel->band;
544 hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
545 + stats->rx_bufshift);
548 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
550 if (stats->rx_is40Mhzpacket)
551 rx_status->flag |= RX_FLAG_40MHZ;
554 rx_status->flag |= RX_FLAG_HT;
556 rx_status->flag |= RX_FLAG_MACTIME_START;
558 /* hw will set stats->decrypted true, if it finds the
559 * frame is open data frame or mgmt frame,
560 * hw will not decrypt robust managment frame
561 * for IEEE80211w but still set stats->decrypted
562 * true, so here we should set it back to undecrypted
563 * for IEEE80211w frame, and mac80211 sw will help
565 if (stats->decrypted) {
566 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
567 (ieee80211_has_protected(hdr->frame_control)))
568 rx_status->flag &= ~RX_FLAG_DECRYPTED;
570 rx_status->flag |= RX_FLAG_DECRYPTED;
573 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
574 stats->is_ht, stats->rate, first_ampdu);
576 rx_status->mactime = stats->timestamp_low;
578 p_drvinfo = (struct rx_fwinfo *)(skb->data +
580 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
584 /*rx_status->qual = stats->signal; */
585 rx_status->signal = stats->rssi + 10;
586 /*rx_status->noise = -stats->noise; */
591 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
592 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
593 struct ieee80211_tx_info *info,
594 struct ieee80211_sta *sta,
596 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
598 struct rtl_priv *rtlpriv = rtl_priv(hw);
599 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
600 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
601 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
602 u8 *pdesc = pdesc_tx;
604 __le16 fc = hdr->frame_control;
605 u8 reserved_macid = 0;
606 u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
607 bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
608 bool lastseg = (!(hdr->frame_control &
609 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
610 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
614 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
615 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
616 "DMA mapping error");
619 if (mac->opmode == NL80211_IFTYPE_STATION) {
621 } else if (mac->opmode == NL80211_IFTYPE_AP ||
622 mac->opmode == NL80211_IFTYPE_ADHOC) {
624 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
627 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
629 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
631 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
634 if (rtlpriv->dm.useramask) {
635 /* set txdesc macId */
636 if (ptcb_desc->mac_id < 32) {
637 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
638 reserved_macid |= ptcb_desc->mac_id;
641 SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
643 SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
644 DESC92_RATEMCS0) ? 1 : 0));
646 if (rtlhal->version == VERSION_8192S_ACUT) {
647 if (ptcb_desc->hw_rate == DESC92_RATE1M ||
648 ptcb_desc->hw_rate == DESC92_RATE2M ||
649 ptcb_desc->hw_rate == DESC92_RATE5_5M ||
650 ptcb_desc->hw_rate == DESC92_RATE11M) {
651 ptcb_desc->hw_rate = DESC92_RATE12M;
655 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
657 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
658 SET_TX_DESC_TX_SHORT(pdesc, 0);
660 /* Aggregation related */
661 if (info->flags & IEEE80211_TX_CTL_AMPDU)
662 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
664 /* For AMPDU, we must insert SSN into TX_DESC */
665 SET_TX_DESC_SEQ(pdesc, seq_number);
667 /* Protection mode related */
668 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
669 /* We choose only one protection mode to execute */
670 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
671 !ptcb_desc->cts_enable) ? 1 : 0));
672 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
674 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
676 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
677 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
678 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
679 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
681 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
682 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
685 /* Set Bandwidth and sub-channel settings. */
687 if (ptcb_desc->packet_bw) {
688 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
689 /* use duplicated mode */
690 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
692 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
693 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
694 mac->cur_40_prime_sc);
697 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
698 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
701 /* 3 Fill necessary field in First Descriptor */
703 SET_TX_DESC_LINIP(pdesc, 0);
704 SET_TX_DESC_OFFSET(pdesc, 32);
705 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
708 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
710 /* Fill security related */
711 if (info->control.hw_key) {
712 struct ieee80211_key_conf *keyconf;
714 keyconf = info->control.hw_key;
715 switch (keyconf->cipher) {
716 case WLAN_CIPHER_SUITE_WEP40:
717 case WLAN_CIPHER_SUITE_WEP104:
718 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
720 case WLAN_CIPHER_SUITE_TKIP:
721 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
723 case WLAN_CIPHER_SUITE_CCMP:
724 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
727 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
734 SET_TX_DESC_PACKET_ID(pdesc, 0);
736 /* We will assign magement queue to BK. */
737 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
739 /* Alwasy enable all rate fallback range */
740 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
742 /* Fix: I don't kown why hw use 6.5M to tx when set it */
743 SET_TX_DESC_USER_RATE(pdesc,
744 ptcb_desc->use_driver_rate ? 1 : 0);
746 /* Set NON_QOS bit. */
747 if (!ieee80211_is_data_qos(fc))
748 SET_TX_DESC_NON_QOS(pdesc, 1);
752 /* Fill fields that are required to be initialized
753 * in all of the descriptors */
755 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
756 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
759 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
762 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
764 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
767 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
768 bool firstseg, bool lastseg, struct sk_buff *skb)
770 struct rtl_priv *rtlpriv = rtl_priv(hw);
771 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
772 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
773 struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
775 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
778 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
779 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
780 "DMA mapping error");
783 /* Clear all status */
784 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
786 /* This bit indicate this packet is used for FW download. */
787 if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
788 /* For firmware downlaod we only need to set LINIP */
789 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
791 /* 92SE must set as 1 for firmware download HW DMA error */
792 SET_TX_DESC_FIRST_SEG(pdesc, 1);
793 SET_TX_DESC_LAST_SEG(pdesc, 1);
795 /* 92SE need not to set TX packet size when firmware download */
796 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
797 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
798 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
801 SET_TX_DESC_OWN(pdesc, 1);
802 } else { /* H2C Command Desc format (Host TXCMD) */
803 /* 92SE must set as 1 for firmware download HW DMA error */
804 SET_TX_DESC_FIRST_SEG(pdesc, 1);
805 SET_TX_DESC_LAST_SEG(pdesc, 1);
807 SET_TX_DESC_OFFSET(pdesc, 0x20);
809 /* Buffer size + command header */
810 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
811 /* Fixed queue of H2C command */
812 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
814 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
816 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
817 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
820 SET_TX_DESC_OWN(pdesc, 1);
825 void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
831 SET_TX_DESC_OWN(pdesc, 1);
833 case HW_DESC_TX_NEXTDESC_ADDR:
834 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
837 RT_ASSERT(false, "ERR txdesc :%d not process\n",
845 SET_RX_STATUS_DESC_OWN(pdesc, 1);
847 case HW_DESC_RXBUFF_ADDR:
848 SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
850 case HW_DESC_RXPKT_LEN:
851 SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
854 SET_RX_STATUS_DESC_EOR(pdesc, 1);
857 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
864 u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
871 ret = GET_TX_DESC_OWN(desc);
873 case HW_DESC_TXBUFF_ADDR:
874 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
877 RT_ASSERT(false, "ERR txdesc :%d not process\n",
884 ret = GET_RX_STATUS_DESC_OWN(desc);
886 case HW_DESC_RXPKT_LEN:
887 ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
890 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
898 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
900 struct rtl_priv *rtlpriv = rtl_priv(hw);
901 rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));