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 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
22 * Larry Finger <Larry.Finger@lwfinger.net>
24 *****************************************************************************/
36 static u8 _rtl92ce_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
38 __le16 fc = rtl_get_fc(skb);
40 if (unlikely(ieee80211_is_beacon(fc)))
42 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
48 static u8 _rtl92c_query_rxpwrpercentage(s8 antpower)
50 if ((antpower <= -100) || (antpower >= 20))
52 else if (antpower >= 0)
55 return 100 + antpower;
58 static u8 _rtl92c_evm_db_to_percentage(s8 value)
69 ret_val = 0 - ret_val;
78 static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw,
83 if (currsig >= 61 && currsig <= 100)
84 retsig = 90 + ((currsig - 60) / 4);
85 else if (currsig >= 41 && currsig <= 60)
86 retsig = 78 + ((currsig - 40) / 2);
87 else if (currsig >= 31 && currsig <= 40)
88 retsig = 66 + (currsig - 30);
89 else if (currsig >= 21 && currsig <= 30)
90 retsig = 54 + (currsig - 20);
91 else if (currsig >= 5 && currsig <= 20)
92 retsig = 42 + (((currsig - 5) * 2) / 3);
93 else if (currsig == 4)
95 else if (currsig == 3)
97 else if (currsig == 2)
99 else if (currsig == 1)
107 static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,
108 struct rtl_stats *pstats,
109 struct rx_desc_92c *pdesc,
110 struct rx_fwinfo_92c *p_drvinfo,
111 bool packet_match_bssid,
115 struct rtl_priv *rtlpriv = rtl_priv(hw);
116 struct phy_sts_cck_8192s_t *cck_buf;
117 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
118 s8 rx_pwr_all = 0, rx_pwr[4];
119 u8 evm, pwdb_all, rf_rx_num = 0;
120 u8 i, max_spatial_stream;
121 u32 rssi, total_rssi = 0;
124 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
125 pstats->packet_matchbssid = packet_match_bssid;
126 pstats->packet_toself = packet_toself;
127 pstats->is_cck = is_cck_rate;
128 pstats->packet_beacon = packet_beacon;
129 pstats->rx_mimo_sig_qual[0] = -1;
130 pstats->rx_mimo_sig_qual[1] = -1;
133 u8 report, cck_highpwr;
134 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
136 if (ppsc->rfpwr_state == ERFON)
137 cck_highpwr = (u8) rtl_get_bbreg(hw,
138 RFPGA0_XA_HSSIPARAMETER2,
144 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
145 report = cck_buf->cck_agc_rpt & 0xc0;
146 report = report >> 6;
149 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
152 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
155 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
158 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
162 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
163 report = p_drvinfo->cfosho[0] & 0x60;
164 report = report >> 5;
167 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
170 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
173 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
176 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
181 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
182 /* CCK gain is smaller than OFDM/MCS gain,
183 * so we add gain diff by experiences,
189 /* modify the offset to make the same
190 * 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 /* (3) Get Signal Quality (EVM) */
205 if (packet_match_bssid) {
207 if (pstats->rx_pwdb_all > 40)
210 sq = cck_buf->sq_rpt;
216 sq = ((64 - sq) * 100) / 44;
219 pstats->signalquality = sq;
220 pstats->rx_mimo_sig_qual[0] = sq;
221 pstats->rx_mimo_sig_qual[1] = -1;
224 rtlpriv->dm.rfpath_rxenable[0] =
225 rtlpriv->dm.rfpath_rxenable[1] = true;
226 /* (1)Get RSSI for HT rate */
227 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
228 /* we will judge RF RX path now. */
229 if (rtlpriv->dm.rfpath_rxenable[i])
233 ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
234 /* Translate DBM to percentage. */
235 rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
237 /* Get Rx snr value in DB */
238 rtlpriv->stats.rx_snr_db[i] =
239 (long)(p_drvinfo->rxsnr[i] / 2);
241 /* Record Signal Strength for next packet */
242 if (packet_match_bssid)
243 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
246 /* (2)PWDB, Average PWDB cacluated by
247 * hardware (for rate adaptive)
249 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
250 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
251 pstats->rx_pwdb_all = pwdb_all;
252 pstats->rxpower = rx_pwr_all;
253 pstats->recvsignalpower = rx_pwr_all;
255 /* (3)EVM of HT rate */
256 if (pstats->is_ht && pstats->rate >= DESC_RATEMCS8 &&
257 pstats->rate <= DESC_RATEMCS15)
258 max_spatial_stream = 2;
260 max_spatial_stream = 1;
262 for (i = 0; i < max_spatial_stream; i++) {
263 evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
265 if (packet_match_bssid) {
266 /* Fill value in RFD, Get the first
267 * spatial stream only
270 pstats->signalquality =
272 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
277 /* UI BSS List signal strength(in percentage),
278 * make it good looking, from 0~100.
281 pstats->signalstrength =
282 (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
283 else if (rf_rx_num != 0)
284 pstats->signalstrength =
285 (u8) (_rtl92ce_signal_scale_mapping
286 (hw, total_rssi /= rf_rx_num));
289 static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
291 struct rtl_stats *pstats,
292 struct rx_desc_92c *pdesc,
293 struct rx_fwinfo_92c *p_drvinfo)
295 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
296 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
298 struct ieee80211_hdr *hdr;
303 bool packet_matchbssid, packet_toself, packet_beacon = false;
305 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
307 hdr = (struct ieee80211_hdr *)tmp_buf;
308 fc = hdr->frame_control;
309 c_fc = le16_to_cpu(fc);
310 type = WLAN_FC_GET_TYPE(fc);
314 ((IEEE80211_FTYPE_CTL != type) &&
315 ether_addr_equal(mac->bssid,
316 (c_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
317 (c_fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
319 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
321 packet_toself = packet_matchbssid &&
322 ether_addr_equal(praddr, rtlefuse->dev_addr);
324 if (ieee80211_is_beacon(fc))
325 packet_beacon = true;
327 _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
328 packet_matchbssid, packet_toself,
331 rtl_process_phyinfo(hw, tmp_buf, pstats);
334 bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
335 struct rtl_stats *stats,
336 struct ieee80211_rx_status *rx_status,
337 u8 *p_desc, struct sk_buff *skb)
339 struct rx_fwinfo_92c *p_drvinfo;
340 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
341 struct ieee80211_hdr *hdr;
342 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
343 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
344 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
345 RX_DRV_INFO_SIZE_UNIT;
346 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
347 stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
348 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
349 stats->hwerror = (stats->crc | stats->icv);
350 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
351 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
352 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
353 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
354 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
355 && (GET_RX_DESC_FAGGR(pdesc) == 1));
356 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
357 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
358 stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
360 stats->is_cck = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
362 rx_status->freq = hw->conf.chandef.chan->center_freq;
363 rx_status->band = hw->conf.chandef.chan->band;
365 hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
366 + stats->rx_bufshift);
369 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
371 if (stats->rx_is40Mhzpacket)
372 rx_status->bw = RATE_INFO_BW_40;
375 rx_status->encoding = RX_ENC_HT;
377 rx_status->flag |= RX_FLAG_MACTIME_START;
379 /* hw will set stats->decrypted true, if it finds the
380 * frame is open data frame or mgmt frame.
381 * So hw will not decryption robust managment frame
382 * for IEEE80211w but still set status->decrypted
383 * true, so here we should set it back to undecrypted
384 * for IEEE80211w frame, and mac80211 sw will help
387 if (stats->decrypted) {
388 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
389 (ieee80211_has_protected(hdr->frame_control)))
390 rx_status->flag &= ~RX_FLAG_DECRYPTED;
392 rx_status->flag |= RX_FLAG_DECRYPTED;
394 /* rate_idx: index of data rate into band's
395 * supported rates or MCS index if HT rates
396 * are use (RX_FLAG_HT)
397 * Notice: this is diff with windows define
399 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
402 rx_status->mactime = stats->timestamp_low;
404 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
407 _rtl92ce_translate_rx_signal_stuff(hw,
412 /*rx_status->qual = stats->signal; */
413 rx_status->signal = stats->recvsignalpower + 10;
418 void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
419 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
420 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
421 struct ieee80211_sta *sta,
423 u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
425 struct rtl_priv *rtlpriv = rtl_priv(hw);
426 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
427 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
428 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
429 bool defaultadapter = true;
430 u8 *pdesc = pdesc_tx;
432 __le16 fc = hdr->frame_control;
433 u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue);
434 bool firstseg = ((hdr->seq_ctrl &
435 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
437 bool lastseg = ((hdr->frame_control &
438 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
440 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
446 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
447 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
448 "DMA mapping error\n");
452 sta = get_sta(hw, mac->vif, mac->bssid);
453 if (mac->opmode == NL80211_IFTYPE_STATION) {
455 } else if (mac->opmode == NL80211_IFTYPE_AP ||
456 mac->opmode == NL80211_IFTYPE_ADHOC ||
457 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
459 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
462 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
464 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
466 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
468 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
473 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
475 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate);
477 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
478 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
480 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
481 SET_TX_DESC_AGG_BREAK(pdesc, 1);
482 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
484 SET_TX_DESC_SEQ(pdesc, seq_number);
486 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable &&
488 cts_enable) ? 1 : 0));
489 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
490 ((tcb_desc->rts_enable
491 || tcb_desc->cts_enable) ? 1 : 0));
492 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));
493 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
495 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate);
496 SET_TX_DESC_RTS_BW(pdesc, 0);
497 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc);
498 SET_TX_DESC_RTS_SHORT(pdesc,
499 ((tcb_desc->rts_rate <= DESC_RATE54M) ?
500 (tcb_desc->rts_use_shortpreamble ? 1 : 0)
501 : (tcb_desc->rts_use_shortgi ? 1 : 0)));
504 if (tcb_desc->packet_bw) {
505 SET_TX_DESC_DATA_BW(pdesc, 1);
506 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
508 SET_TX_DESC_DATA_BW(pdesc, 0);
509 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
510 mac->cur_40_prime_sc);
513 SET_TX_DESC_DATA_BW(pdesc, 0);
514 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
517 SET_TX_DESC_LINIP(pdesc, 0);
518 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
521 u8 ampdu_density = sta->ht_cap.ampdu_density;
522 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
525 if (info->control.hw_key) {
526 struct ieee80211_key_conf *keyconf =
527 info->control.hw_key;
529 switch (keyconf->cipher) {
530 case WLAN_CIPHER_SUITE_WEP40:
531 case WLAN_CIPHER_SUITE_WEP104:
532 case WLAN_CIPHER_SUITE_TKIP:
533 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
535 case WLAN_CIPHER_SUITE_CCMP:
536 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
539 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
545 SET_TX_DESC_PKT_ID(pdesc, 0);
546 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
548 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
549 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
550 SET_TX_DESC_DISABLE_FB(pdesc, 0);
551 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0);
553 if (ieee80211_is_data_qos(fc)) {
555 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
556 "Enable RDG function\n");
557 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
558 SET_TX_DESC_HTC(pdesc, 1);
564 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
565 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
567 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
569 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
571 if (rtlpriv->dm.useramask) {
572 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index);
573 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id);
575 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index);
576 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index);
579 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
580 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
581 SET_TX_DESC_PKT_ID(pdesc, 8);
584 SET_TX_DESC_QOS(pdesc, 1);
587 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
589 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
590 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
591 SET_TX_DESC_BMC(pdesc, 1);
594 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
597 void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,
598 u8 *pdesc, bool firstseg,
599 bool lastseg, struct sk_buff *skb)
601 struct rtl_priv *rtlpriv = rtl_priv(hw);
602 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
603 u8 fw_queue = QSLT_BEACON;
605 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
609 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
610 __le16 fc = hdr->frame_control;
612 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
613 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
614 "DMA mapping error\n");
617 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
620 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
622 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
624 SET_TX_DESC_SEQ(pdesc, 0);
626 SET_TX_DESC_LINIP(pdesc, 0);
628 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
630 SET_TX_DESC_FIRST_SEG(pdesc, 1);
631 SET_TX_DESC_LAST_SEG(pdesc, 1);
633 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
635 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
637 SET_TX_DESC_RATE_ID(pdesc, 7);
638 SET_TX_DESC_MACID(pdesc, 0);
640 SET_TX_DESC_OWN(pdesc, 1);
642 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
644 SET_TX_DESC_FIRST_SEG(pdesc, 1);
645 SET_TX_DESC_LAST_SEG(pdesc, 1);
647 SET_TX_DESC_OFFSET(pdesc, 0x20);
649 SET_TX_DESC_USE_RATE(pdesc, 1);
651 if (!ieee80211_is_data_qos(fc)) {
652 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
653 SET_TX_DESC_PKT_ID(pdesc, 8);
656 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
657 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
660 void rtl92ce_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
661 u8 desc_name, u8 *val)
667 SET_TX_DESC_OWN(pdesc, 1);
669 case HW_DESC_TX_NEXTDESC_ADDR:
670 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
673 WARN_ONCE(true, "rtl8192ce: ERR txdesc :%d not processed\n",
681 SET_RX_DESC_OWN(pdesc, 1);
683 case HW_DESC_RXBUFF_ADDR:
684 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
686 case HW_DESC_RXPKT_LEN:
687 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
690 SET_RX_DESC_EOR(pdesc, 1);
693 WARN_ONCE(true, "rtl8192ce: ERR rxdesc :%d not processed\n",
700 u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
707 ret = GET_TX_DESC_OWN(p_desc);
709 case HW_DESC_TXBUFF_ADDR:
710 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
713 WARN_ONCE(true, "rtl8192ce: ERR txdesc :%d not processed\n",
720 ret = GET_RX_DESC_OWN(p_desc);
722 case HW_DESC_RXPKT_LEN:
723 ret = GET_RX_DESC_PKT_LEN(p_desc);
725 case HW_DESC_RXBUFF_ADDR:
726 ret = GET_RX_DESC_BUFF_ADDR(p_desc);
729 WARN_ONCE(true, "rtl8192ce: ERR rxdesc :%d not processed\n",
737 bool rtl92ce_is_tx_desc_closed(struct ieee80211_hw *hw,
738 u8 hw_queue, u16 index)
740 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
741 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
742 u8 *entry = (u8 *)(&ring->desc[ring->idx]);
743 u8 own = (u8)rtl92ce_get_desc(entry, true, HW_DESC_OWN);
745 /*beacon packet will only use the first
746 *descriptor defautly,and the own may not
747 *be cleared by the hardware
754 void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
756 struct rtl_priv *rtlpriv = rtl_priv(hw);
757 if (hw_queue == BEACON_QUEUE) {
758 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
760 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
761 BIT(0) << (hw_queue));