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_signalquality[0] = -1;
133 pstats->rx_mimo_signalquality[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_signalquality[0] = sq;
220 pstats->rx_mimo_signalquality[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_signalquality[i] =
266 pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
268 else if (rf_rx_num != 0)
269 pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw,
270 total_rssi /= rf_rx_num));
273 static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw,
274 struct rtl_stats *pstats)
276 struct rtl_priv *rtlpriv = rtl_priv(hw);
277 struct rtl_phy *rtlphy = &(rtlpriv->phy);
279 u32 last_rssi, tmpval;
281 if (pstats->packet_toself || pstats->packet_beacon) {
282 rtlpriv->stats.rssi_calculate_cnt++;
284 if (rtlpriv->stats.ui_rssi.total_num++ >=
285 PHY_RSSI_SLID_WIN_MAX) {
286 rtlpriv->stats.ui_rssi.total_num =
287 PHY_RSSI_SLID_WIN_MAX;
288 last_rssi = rtlpriv->stats.ui_rssi.elements[
289 rtlpriv->stats.ui_rssi.index];
290 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
293 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
294 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++]
295 = pstats->signalstrength;
297 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
298 rtlpriv->stats.ui_rssi.index = 0;
300 tmpval = rtlpriv->stats.ui_rssi.total_val /
301 rtlpriv->stats.ui_rssi.total_num;
302 rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw,
304 pstats->rssi = rtlpriv->stats.signal_strength;
307 if (!pstats->is_cck && pstats->packet_toself) {
308 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
310 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
311 rtlpriv->stats.rx_rssi_percentage[rfpath] =
312 pstats->rx_mimo_signalstrength[rfpath];
316 if (pstats->rx_mimo_signalstrength[rfpath] >
317 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
318 rtlpriv->stats.rx_rssi_percentage[rfpath] =
319 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
320 * (RX_SMOOTH_FACTOR - 1)) +
321 (pstats->rx_mimo_signalstrength[rfpath])) /
324 rtlpriv->stats.rx_rssi_percentage[rfpath] =
325 rtlpriv->stats.rx_rssi_percentage[rfpath]
328 rtlpriv->stats.rx_rssi_percentage[rfpath] =
329 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
330 * (RX_SMOOTH_FACTOR - 1)) +
331 (pstats->rx_mimo_signalstrength[rfpath])) /
339 static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw,
340 struct rtl_stats *pstats)
342 struct rtl_priv *rtlpriv = rtl_priv(hw);
345 if (rtlpriv->stats.recv_signal_power == 0)
346 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
348 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
350 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
353 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5
354 + pstats->recvsignalpower +
358 static void _rtl92se_process_pwdb(struct ieee80211_hw *hw,
359 struct rtl_stats *pstats)
361 struct rtl_priv *rtlpriv = rtl_priv(hw);
362 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
363 long undec_sm_pwdb = 0;
365 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
369 rtlpriv->dm.undecorated_smoothed_pwdb;
372 if (pstats->packet_toself || pstats->packet_beacon) {
373 if (undec_sm_pwdb < 0)
374 undec_sm_pwdb = pstats->rx_pwdb_all;
376 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
379 (RX_SMOOTH_FACTOR - 1)) +
380 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
382 undec_sm_pwdb = undec_sm_pwdb + 1;
384 undec_sm_pwdb = (((undec_sm_pwdb) *
385 (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) /
389 rtlpriv->dm.undecorated_smoothed_pwdb = undec_sm_pwdb;
390 _rtl92se_update_rxsignalstatistics(hw, pstats);
394 static void rtl_92s_process_streams(struct ieee80211_hw *hw,
395 struct rtl_stats *pstats)
397 struct rtl_priv *rtlpriv = rtl_priv(hw);
400 for (stream = 0; stream < 2; stream++) {
401 if (pstats->rx_mimo_signalquality[stream] != -1) {
402 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
403 rtlpriv->stats.rx_evm_percentage[stream] =
404 pstats->rx_mimo_signalquality[stream];
407 rtlpriv->stats.rx_evm_percentage[stream] =
408 ((rtlpriv->stats.rx_evm_percentage[stream] *
409 (RX_SMOOTH_FACTOR - 1)) +
410 (pstats->rx_mimo_signalquality[stream] *
411 1)) / (RX_SMOOTH_FACTOR);
416 static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw,
417 struct rtl_stats *pstats)
419 struct rtl_priv *rtlpriv = rtl_priv(hw);
420 u32 last_evm = 0, tmpval;
422 if (pstats->signalquality != 0) {
423 if (pstats->packet_toself || pstats->packet_beacon) {
425 if (rtlpriv->stats.ui_link_quality.total_num++ >=
426 PHY_LINKQUALITY_SLID_WIN_MAX) {
427 rtlpriv->stats.ui_link_quality.total_num =
428 PHY_LINKQUALITY_SLID_WIN_MAX;
430 rtlpriv->stats.ui_link_quality.elements[
431 rtlpriv->stats.ui_link_quality.index];
432 rtlpriv->stats.ui_link_quality.total_val -=
436 rtlpriv->stats.ui_link_quality.total_val +=
437 pstats->signalquality;
438 rtlpriv->stats.ui_link_quality.elements[
439 rtlpriv->stats.ui_link_quality.index++] =
440 pstats->signalquality;
442 if (rtlpriv->stats.ui_link_quality.index >=
443 PHY_LINKQUALITY_SLID_WIN_MAX)
444 rtlpriv->stats.ui_link_quality.index = 0;
446 tmpval = rtlpriv->stats.ui_link_quality.total_val /
447 rtlpriv->stats.ui_link_quality.total_num;
448 rtlpriv->stats.signal_quality = tmpval;
450 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
452 rtl_92s_process_streams(hw, pstats);
458 static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw,
460 struct rtl_stats *pcurrent_stats)
463 if (!pcurrent_stats->packet_matchbssid &&
464 !pcurrent_stats->packet_beacon)
467 _rtl92se_process_ui_rssi(hw, pcurrent_stats);
468 _rtl92se_process_pwdb(hw, pcurrent_stats);
469 _rtl92se_process_ui_link_quality(hw, pcurrent_stats);
472 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
473 struct sk_buff *skb, struct rtl_stats *pstats,
474 u8 *pdesc, struct rx_fwinfo *p_drvinfo)
476 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
477 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
479 struct ieee80211_hdr *hdr;
484 bool packet_matchbssid, packet_toself, packet_beacon;
486 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
488 hdr = (struct ieee80211_hdr *)tmp_buf;
489 fc = hdr->frame_control;
490 cfc = le16_to_cpu(fc);
491 type = WLAN_FC_GET_TYPE(fc);
494 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
495 ether_addr_equal(mac->bssid,
496 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
497 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
499 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
501 packet_toself = packet_matchbssid &&
502 ether_addr_equal(praddr, rtlefuse->dev_addr);
504 if (ieee80211_is_beacon(fc))
505 packet_beacon = true;
507 _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
508 packet_matchbssid, packet_toself, packet_beacon);
509 _rtl92se_process_phyinfo(hw, tmp_buf, pstats);
512 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
513 struct ieee80211_rx_status *rx_status, u8 *pdesc,
516 struct rx_fwinfo *p_drvinfo;
517 u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
518 struct ieee80211_hdr *hdr;
519 bool first_ampdu = false;
521 stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
522 stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
523 stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
524 stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
525 stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
526 stats->hwerror = (u16)(stats->crc | stats->icv);
527 stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
529 stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
530 stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
531 stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
532 stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
533 && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
534 stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
535 stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
536 stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
537 stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
542 rx_status->freq = hw->conf.channel->center_freq;
543 rx_status->band = hw->conf.channel->band;
545 hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
546 + stats->rx_bufshift);
549 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
551 if (stats->rx_is40Mhzpacket)
552 rx_status->flag |= RX_FLAG_40MHZ;
555 rx_status->flag |= RX_FLAG_HT;
557 rx_status->flag |= RX_FLAG_MACTIME_MPDU;
559 /* hw will set stats->decrypted true, if it finds the
560 * frame is open data frame or mgmt frame,
561 * hw will not decrypt robust managment frame
562 * for IEEE80211w but still set stats->decrypted
563 * true, so here we should set it back to undecrypted
564 * for IEEE80211w frame, and mac80211 sw will help
566 if (stats->decrypted) {
567 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
568 (ieee80211_has_protected(hdr->frame_control)))
569 rx_status->flag &= ~RX_FLAG_DECRYPTED;
571 rx_status->flag |= RX_FLAG_DECRYPTED;
574 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
575 stats->is_ht, stats->rate, first_ampdu);
577 rx_status->mactime = stats->timestamp_low;
579 p_drvinfo = (struct rx_fwinfo *)(skb->data +
581 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
585 /*rx_status->qual = stats->signal; */
586 rx_status->signal = stats->rssi + 10;
587 /*rx_status->noise = -stats->noise; */
592 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
593 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
594 struct ieee80211_tx_info *info,
595 struct ieee80211_sta *sta,
597 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
599 struct rtl_priv *rtlpriv = rtl_priv(hw);
600 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
601 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
602 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
603 u8 *pdesc = pdesc_tx;
605 __le16 fc = hdr->frame_control;
606 u8 reserved_macid = 0;
607 u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
608 bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
609 bool lastseg = (!(hdr->frame_control &
610 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
611 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
615 if (mac->opmode == NL80211_IFTYPE_STATION) {
617 } else if (mac->opmode == NL80211_IFTYPE_AP ||
618 mac->opmode == NL80211_IFTYPE_ADHOC) {
620 bw_40 = sta->ht_cap.cap &
621 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
624 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
626 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
628 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
631 if (rtlpriv->dm.useramask) {
632 /* set txdesc macId */
633 if (ptcb_desc->mac_id < 32) {
634 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
635 reserved_macid |= ptcb_desc->mac_id;
638 SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
640 SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
641 DESC92_RATEMCS0) ? 1 : 0));
643 if (rtlhal->version == VERSION_8192S_ACUT) {
644 if (ptcb_desc->hw_rate == DESC92_RATE1M ||
645 ptcb_desc->hw_rate == DESC92_RATE2M ||
646 ptcb_desc->hw_rate == DESC92_RATE5_5M ||
647 ptcb_desc->hw_rate == DESC92_RATE11M) {
648 ptcb_desc->hw_rate = DESC92_RATE12M;
652 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
654 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
655 SET_TX_DESC_TX_SHORT(pdesc, 0);
657 /* Aggregation related */
658 if (info->flags & IEEE80211_TX_CTL_AMPDU)
659 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
661 /* For AMPDU, we must insert SSN into TX_DESC */
662 SET_TX_DESC_SEQ(pdesc, seq_number);
664 /* Protection mode related */
665 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
666 /* We choose only one protection mode to execute */
667 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
668 !ptcb_desc->cts_enable) ? 1 : 0));
669 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
671 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
673 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
674 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
675 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
676 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
678 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
679 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
682 /* Set Bandwidth and sub-channel settings. */
684 if (ptcb_desc->packet_bw) {
685 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
686 /* use duplicated mode */
687 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
689 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
690 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
691 mac->cur_40_prime_sc);
694 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
695 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
698 /* 3 Fill necessary field in First Descriptor */
700 SET_TX_DESC_LINIP(pdesc, 0);
701 SET_TX_DESC_OFFSET(pdesc, 32);
702 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
705 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
707 /* Fill security related */
708 if (info->control.hw_key) {
709 struct ieee80211_key_conf *keyconf;
711 keyconf = info->control.hw_key;
712 switch (keyconf->cipher) {
713 case WLAN_CIPHER_SUITE_WEP40:
714 case WLAN_CIPHER_SUITE_WEP104:
715 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
717 case WLAN_CIPHER_SUITE_TKIP:
718 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
720 case WLAN_CIPHER_SUITE_CCMP:
721 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
724 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
731 SET_TX_DESC_PACKET_ID(pdesc, 0);
733 /* We will assign magement queue to BK. */
734 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
736 /* Alwasy enable all rate fallback range */
737 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
739 /* Fix: I don't kown why hw use 6.5M to tx when set it */
740 SET_TX_DESC_USER_RATE(pdesc,
741 ptcb_desc->use_driver_rate ? 1 : 0);
743 /* Set NON_QOS bit. */
744 if (!ieee80211_is_data_qos(fc))
745 SET_TX_DESC_NON_QOS(pdesc, 1);
749 /* Fill fields that are required to be initialized
750 * in all of the descriptors */
752 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
753 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
756 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
759 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
761 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
764 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
765 bool firstseg, bool lastseg, struct sk_buff *skb)
767 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
768 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
769 struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
771 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
774 /* Clear all status */
775 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
777 /* This bit indicate this packet is used for FW download. */
778 if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
779 /* For firmware downlaod we only need to set LINIP */
780 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
782 /* 92SE must set as 1 for firmware download HW DMA error */
783 SET_TX_DESC_FIRST_SEG(pdesc, 1);
784 SET_TX_DESC_LAST_SEG(pdesc, 1);
786 /* 92SE need not to set TX packet size when firmware download */
787 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
788 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
789 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
792 SET_TX_DESC_OWN(pdesc, 1);
793 } else { /* H2C Command Desc format (Host TXCMD) */
794 /* 92SE must set as 1 for firmware download HW DMA error */
795 SET_TX_DESC_FIRST_SEG(pdesc, 1);
796 SET_TX_DESC_LAST_SEG(pdesc, 1);
798 SET_TX_DESC_OFFSET(pdesc, 0x20);
800 /* Buffer size + command header */
801 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
802 /* Fixed queue of H2C command */
803 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
805 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
807 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
808 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
811 SET_TX_DESC_OWN(pdesc, 1);
816 void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
822 SET_TX_DESC_OWN(pdesc, 1);
824 case HW_DESC_TX_NEXTDESC_ADDR:
825 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
828 RT_ASSERT(false, "ERR txdesc :%d not process\n",
836 SET_RX_STATUS_DESC_OWN(pdesc, 1);
838 case HW_DESC_RXBUFF_ADDR:
839 SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
841 case HW_DESC_RXPKT_LEN:
842 SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
845 SET_RX_STATUS_DESC_EOR(pdesc, 1);
848 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
855 u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
862 ret = GET_TX_DESC_OWN(desc);
864 case HW_DESC_TXBUFF_ADDR:
865 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
868 RT_ASSERT(false, "ERR txdesc :%d not process\n",
875 ret = GET_RX_STATUS_DESC_OWN(desc);
877 case HW_DESC_RXPKT_LEN:
878 ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
881 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
889 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
891 struct rtl_priv *rtlpriv = rtl_priv(hw);
892 rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));