Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2013  Realtek Corporation.*/

#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "trx.h"
#include "led.h"
#include "dm.h"
#include "phy.h"

static u8 _rtl88ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
{
	__le16 fc = rtl_get_fc(skb);

	if (unlikely(ieee80211_is_beacon(fc)))
		return QSLT_BEACON;
	if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
		return QSLT_MGNT;

	return skb->priority;
}

static void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
			struct rtl_stats *pstatus, __le32 *pdesc,
			struct rx_fwinfo_88e *p_drvinfo,
			bool bpacket_match_bssid,
			bool bpacket_toself, bool packet_beacon)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
	struct phy_sts_cck_8192s_t *cck_buf;
	struct phy_status_rpt *phystrpt =
		(struct phy_status_rpt *)p_drvinfo;
	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
	s8 rx_pwr_all = 0, rx_pwr[4];
	u8 rf_rx_num = 0, evm, pwdb_all;
	u8 i, max_spatial_stream;
	u32 rssi, total_rssi = 0;
	bool is_cck = pstatus->is_cck;
	u8 lan_idx, vga_idx;

	/* Record it for next packet processing */
	pstatus->packet_matchbssid = bpacket_match_bssid;
	pstatus->packet_toself = bpacket_toself;
	pstatus->packet_beacon = packet_beacon;
	pstatus->rx_mimo_signalquality[0] = -1;
	pstatus->rx_mimo_signalquality[1] = -1;

	if (is_cck) {
		u8 cck_highpwr;
		u8 cck_agc_rpt;
		/* CCK Driver info Structure is not the same as OFDM packet. */
		cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
		cck_agc_rpt = cck_buf->cck_agc_rpt;

		/* (1)Hardware does not provide RSSI for CCK
		 * (2)PWDB, Average PWDB calculated by
		 * hardware (for rate adaptive)
		 */
		if (ppsc->rfpwr_state == ERFON)
			cck_highpwr =
				(u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
						  BIT(9));
		else
			cck_highpwr = false;

		lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
		vga_idx = (cck_agc_rpt & 0x1f);
		switch (lan_idx) {
		case 7:
			if (vga_idx <= 27)
				/*VGA_idx = 27~2*/
				rx_pwr_all = -100 + 2*(27-vga_idx);
			else
				rx_pwr_all = -100;
			break;
		case 6:
			/*VGA_idx = 2~0*/
			rx_pwr_all = -48 + 2*(2-vga_idx);
			break;
		case 5:
			/*VGA_idx = 7~5*/
			rx_pwr_all = -42 + 2*(7-vga_idx);
			break;
		case 4:
			/*VGA_idx = 7~4*/
			rx_pwr_all = -36 + 2*(7-vga_idx);
			break;
		case 3:
			/*VGA_idx = 7~0*/
			rx_pwr_all = -24 + 2*(7-vga_idx);
			break;
		case 2:
			if (cck_highpwr)
				/*VGA_idx = 5~0*/
				rx_pwr_all = -12 + 2*(5-vga_idx);
			else
				rx_pwr_all = -6 + 2*(5-vga_idx);
			break;
		case 1:
			rx_pwr_all = 8-2*vga_idx;
			break;
		case 0:
			rx_pwr_all = 14-2*vga_idx;
			break;
		default:
			break;
		}
		rx_pwr_all += 6;
		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
		/* CCK gain is smaller than OFDM/MCS gain,  */
		/* so we add gain diff by experiences, the val is 6 */
		pwdb_all += 6;
		if (pwdb_all > 100)
			pwdb_all = 100;
		/* modify the offset to make the same
		 * gain index with OFDM.
		 */
		if (pwdb_all > 34 && pwdb_all <= 42)
			pwdb_all -= 2;
		else if (pwdb_all > 26 && pwdb_all <= 34)
			pwdb_all -= 6;
		else if (pwdb_all > 14 && pwdb_all <= 26)
			pwdb_all -= 8;
		else if (pwdb_all > 4 && pwdb_all <= 14)
			pwdb_all -= 4;
		if (!cck_highpwr) {
			if (pwdb_all >= 80)
				pwdb_all = ((pwdb_all-80)<<1) +
					   ((pwdb_all-80)>>1) + 80;
			else if ((pwdb_all <= 78) && (pwdb_all >= 20))
				pwdb_all += 3;
			if (pwdb_all > 100)
				pwdb_all = 100;
		}

		pstatus->rx_pwdb_all = pwdb_all;
		pstatus->recvsignalpower = rx_pwr_all;

		/* (3) Get Signal Quality (EVM) */
		if (bpacket_match_bssid) {
			u8 sq;

			if (pstatus->rx_pwdb_all > 40)
				sq = 100;
			else {
				sq = cck_buf->sq_rpt;
				if (sq > 64)
					sq = 0;
				else if (sq < 20)
					sq = 100;
				else
					sq = ((64 - sq) * 100) / 44;
			}

			pstatus->signalquality = sq;
			pstatus->rx_mimo_signalquality[0] = sq;
			pstatus->rx_mimo_signalquality[1] = -1;
		}
	} else {
		rtlpriv->dm.rfpath_rxenable[0] =
		    rtlpriv->dm.rfpath_rxenable[1] = true;

		/* (1)Get RSSI for HT rate */
		for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
			/* we will judge RF RX path now. */
			if (rtlpriv->dm.rfpath_rxenable[i])
				rf_rx_num++;

			rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
				      0x3f) * 2) - 110;

			/* Translate DBM to percentage. */
			rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
			total_rssi += rssi;

			/* Get Rx snr value in DB */
			rtlpriv->stats.rx_snr_db[i] =
				(long)(p_drvinfo->rxsnr[i] / 2);

			/* Record Signal Strength for next packet */
			if (bpacket_match_bssid)
				pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
		}

		/* (2)PWDB, Average PWDB calculated by
		 * hardware (for rate adaptive)
		 */
		rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;

		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
		pstatus->rx_pwdb_all = pwdb_all;
		pstatus->rxpower = rx_pwr_all;
		pstatus->recvsignalpower = rx_pwr_all;

		/* (3)EVM of HT rate */
		if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
		    pstatus->rate <= DESC92C_RATEMCS15)
			max_spatial_stream = 2;
		else
			max_spatial_stream = 1;

		for (i = 0; i < max_spatial_stream; i++) {
			evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);

			if (bpacket_match_bssid) {
				/* Fill value in RFD, Get the first
				 * spatial stream onlyi
				 */
				if (i == 0)
					pstatus->signalquality =
						(u8)(evm & 0xff);
				pstatus->rx_mimo_signalquality[i] =
					(u8)(evm & 0xff);
			}
		}
	}

	/* UI BSS List signal strength(in percentage),
	 * make it good looking, from 0~100.
	 */
	if (is_cck)
		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
			pwdb_all));
	else if (rf_rx_num != 0)
		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
			total_rssi /= rf_rx_num));
	/*HW antenna diversity*/
	rtldm->fat_table.antsel_rx_keep_0 = phystrpt->ant_sel;
	rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
	rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
}

static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw,
	struct rtl_stats *pstatus)
{
	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
	u8 antsel_tr_mux;
	struct fast_ant_training *pfat_table = &rtldm->fat_table;

	if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
		if (pfat_table->fat_state == FAT_TRAINING_STATE) {
			if (pstatus->packet_toself) {
				antsel_tr_mux =
					(pfat_table->antsel_rx_keep_2 << 2) |
					(pfat_table->antsel_rx_keep_1 << 1) |
					pfat_table->antsel_rx_keep_0;
				pfat_table->ant_sum[antsel_tr_mux] +=
					pstatus->rx_pwdb_all;
				pfat_table->ant_cnt[antsel_tr_mux]++;
			}
		}
	} else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
	(rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
		if (pstatus->packet_toself || pstatus->packet_matchbssid) {
			antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
					(pfat_table->antsel_rx_keep_1 << 1) |
					pfat_table->antsel_rx_keep_0;
			rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0,
						     pstatus->rx_pwdb_all);
		}

	}
}

static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
					       struct sk_buff *skb,
					       struct rtl_stats *pstatus,
					       __le32 *pdesc,
					       struct rx_fwinfo_88e *p_drvinfo)
{
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
	struct ieee80211_hdr *hdr;
	u8 *tmp_buf;
	u8 *praddr;
	u8 *psaddr;
	__le16 fc;
	bool packet_matchbssid, packet_toself, packet_beacon;

	tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;

	hdr = (struct ieee80211_hdr *)tmp_buf;
	fc = hdr->frame_control;
	praddr = hdr->addr1;
	psaddr = ieee80211_get_SA(hdr);
	memcpy(pstatus->psaddr, psaddr, ETH_ALEN);

	packet_matchbssid = ((!ieee80211_is_ctl(fc)) &&
	     (ether_addr_equal(mac->bssid, ieee80211_has_tods(fc) ?
			       hdr->addr1 : ieee80211_has_fromds(fc) ?
			       hdr->addr2 : hdr->addr3)) &&
			       (!pstatus->hwerror) &&
			       (!pstatus->crc) && (!pstatus->icv));

	packet_toself = packet_matchbssid &&
	    (ether_addr_equal(praddr, rtlefuse->dev_addr));

	if (ieee80211_is_beacon(hdr->frame_control))
		packet_beacon = true;
	else
		packet_beacon = false;

	_rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
				   packet_matchbssid, packet_toself,
				   packet_beacon);
	_rtl88ee_smart_antenna(hw, pstatus);
	rtl_process_phyinfo(hw, tmp_buf, pstatus);
}

static void rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
				     __le32 *virtualaddress)
{
	u32 dwtmp = 0;
	memset(virtualaddress, 0, 8);

	set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
	if (ptcb_desc->empkt_num == 1) {
		dwtmp = ptcb_desc->empkt_len[0];
	} else {
		dwtmp = ptcb_desc->empkt_len[0];
		dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
		dwtmp += ptcb_desc->empkt_len[1];
	}
	set_earlymode_len0(virtualaddress, dwtmp);

	if (ptcb_desc->empkt_num <= 3) {
		dwtmp = ptcb_desc->empkt_len[2];
	} else {
		dwtmp = ptcb_desc->empkt_len[2];
		dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
		dwtmp += ptcb_desc->empkt_len[3];
	}
	set_earlymode_len1(virtualaddress, dwtmp);
	if (ptcb_desc->empkt_num <= 5) {
		dwtmp = ptcb_desc->empkt_len[4];
	} else {
		dwtmp = ptcb_desc->empkt_len[4];
		dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
		dwtmp += ptcb_desc->empkt_len[5];
	}
	set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
	set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
	if (ptcb_desc->empkt_num <= 7) {
		dwtmp = ptcb_desc->empkt_len[6];
	} else {
		dwtmp = ptcb_desc->empkt_len[6];
		dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
		dwtmp += ptcb_desc->empkt_len[7];
	}
	set_earlymode_len3(virtualaddress, dwtmp);
	if (ptcb_desc->empkt_num <= 9) {
		dwtmp = ptcb_desc->empkt_len[8];
	} else {
		dwtmp = ptcb_desc->empkt_len[8];
		dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
		dwtmp += ptcb_desc->empkt_len[9];
	}
	set_earlymode_len4(virtualaddress, dwtmp);
}

bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
			   struct rtl_stats *status,
			   struct ieee80211_rx_status *rx_status,
			   u8 *pdesc8, struct sk_buff *skb)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rx_fwinfo_88e *p_drvinfo;
	struct ieee80211_hdr *hdr;
	u8 wake_match;
	__le32 *pdesc = (__le32 *)pdesc8;
	u32 phystatus = get_rx_desc_physt(pdesc);

	status->packet_report_type = (u8)get_rx_status_desc_rpt_sel(pdesc);
	if (status->packet_report_type == TX_REPORT2)
		status->length = (u16)get_rx_rpt2_desc_pkt_len(pdesc);
	else
		status->length = (u16)get_rx_desc_pkt_len(pdesc);
	status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
	    RX_DRV_INFO_SIZE_UNIT;
	status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
	status->icv = (u16)get_rx_desc_icv(pdesc);
	status->crc = (u16)get_rx_desc_crc32(pdesc);
	status->hwerror = (status->crc | status->icv);
	status->decrypted = !get_rx_desc_swdec(pdesc);
	status->rate = (u8)get_rx_desc_rxmcs(pdesc);
	status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
	status->isampdu = (bool) (get_rx_desc_paggr(pdesc) == 1);
	status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&
				(get_rx_desc_faggr(pdesc) == 1));
	if (status->packet_report_type == NORMAL_RX)
		status->timestamp_low = get_rx_desc_tsfl(pdesc);
	status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
	status->is_ht = (bool)get_rx_desc_rxht(pdesc);

	status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);

	status->macid = get_rx_desc_macid(pdesc);
	if (get_rx_status_desc_pattern_match(pdesc))
		wake_match = BIT(2);
	else if (get_rx_status_desc_magic_match(pdesc))
		wake_match = BIT(1);
	else if (get_rx_status_desc_unicast_match(pdesc))
		wake_match = BIT(0);
	else
		wake_match = 0;
	if (wake_match)
		rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
			"GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
			wake_match);
	rx_status->freq = hw->conf.chandef.chan->center_freq;
	rx_status->band = hw->conf.chandef.chan->band;

	hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
			+ status->rx_bufshift);

	if (status->crc)
		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;

	if (status->rx_is40mhzpacket)
		rx_status->bw = RATE_INFO_BW_40;

	if (status->is_ht)
		rx_status->encoding = RX_ENC_HT;

	rx_status->flag |= RX_FLAG_MACTIME_START;

	/* hw will set status->decrypted true, if it finds the
	 * frame is open data frame or mgmt frame.
	 * So hw will not decryption robust managment frame
	 * for IEEE80211w but still set status->decrypted
	 * true, so here we should set it back to undecrypted
	 * for IEEE80211w frame, and mac80211 sw will help
	 * to decrypt it
	 */
	if (status->decrypted) {
		if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
		    (ieee80211_has_protected(hdr->frame_control)))
			rx_status->flag |= RX_FLAG_DECRYPTED;
		else
			rx_status->flag &= ~RX_FLAG_DECRYPTED;
	}

	/* rate_idx: index of data rate into band's
	 * supported rates or MCS index if HT rates
	 * are use (RX_FLAG_HT)
	 * Notice: this is diff with windows define
	 */
	rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
						   false, status->rate);

	rx_status->mactime = status->timestamp_low;
	if (phystatus == true) {
		p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
						     status->rx_bufshift);

		_rtl88ee_translate_rx_signal_stuff(hw,
						   skb, status, pdesc,
						   p_drvinfo);
	}
	rx_status->signal = status->recvsignalpower + 10;
	if (status->packet_report_type == TX_REPORT2) {
		status->macid_valid_entry[0] =
			 get_rx_rpt2_desc_macid_valid_1(pdesc);
		status->macid_valid_entry[1] =
			 get_rx_rpt2_desc_macid_valid_2(pdesc);
	}
	return true;
}

void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
			  struct ieee80211_hdr *hdr, u8 *pdesc8,
			  u8 *txbd, struct ieee80211_tx_info *info,
			  struct ieee80211_sta *sta,
			  struct sk_buff *skb,
			  u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)

{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
	u16 seq_number;
	__le16 fc = hdr->frame_control;
	unsigned int buf_len = 0;
	unsigned int skb_len = skb->len;
	u8 fw_qsel = _rtl88ee_map_hwqueue_to_fwqueue(skb, hw_queue);
	bool firstseg = ((hdr->seq_ctrl &
			    cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
	bool lastseg = ((hdr->frame_control &
			   cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
	dma_addr_t mapping;
	u8 bw_40 = 0;
	u8 short_gi = 0;
	__le32 *pdesc = (__le32 *)pdesc8;

	if (mac->opmode == NL80211_IFTYPE_STATION) {
		bw_40 = mac->bw_40;
	} else if (mac->opmode == NL80211_IFTYPE_AP ||
		mac->opmode == NL80211_IFTYPE_ADHOC) {
		if (sta)
			bw_40 = sta->deflink.ht_cap.cap &
				IEEE80211_HT_CAP_SUP_WIDTH_20_40;
	}
	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
	/* reserve 8 byte for AMPDU early mode */
	if (rtlhal->earlymode_enable) {
		skb_push(skb, EM_HDR_LEN);
		memset(skb->data, 0, EM_HDR_LEN);
	}
	buf_len = skb->len;
	mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
				 DMA_TO_DEVICE);
	if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
		rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
			"DMA mapping error\n");
		return;
	}
	clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_88e));
	if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
		firstseg = true;
		lastseg = true;
	}
	if (firstseg) {
		if (rtlhal->earlymode_enable) {
			set_tx_desc_pkt_offset(pdesc, 1);
			set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
					   EM_HDR_LEN);
			if (ptcb_desc->empkt_num) {
				rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
					"Insert 8 byte.pTcb->EMPktNum:%d\n",
					ptcb_desc->empkt_num);
				rtl88ee_insert_emcontent(ptcb_desc,
							 (__le32 *)(skb->data));
			}
		} else {
			set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
		}

		ptcb_desc->use_driver_rate = true;
		set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
		if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
			short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
		else
			short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;

		set_tx_desc_data_shortgi(pdesc, short_gi);

		if (info->flags & IEEE80211_TX_CTL_AMPDU) {
			set_tx_desc_agg_enable(pdesc, 1);
			set_tx_desc_max_agg_num(pdesc, 0x14);
		}
		set_tx_desc_seq(pdesc, seq_number);
		set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
						!ptcb_desc->cts_enable) ? 1 : 0));
		set_tx_desc_hw_rts_enable(pdesc, 0);
		set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
		set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));

		set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
		set_tx_desc_rts_bw(pdesc, 0);
		set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
		set_tx_desc_rts_short(pdesc,
			((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
			(ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
			(ptcb_desc->rts_use_shortgi ? 1 : 0)));

		if (ptcb_desc->tx_enable_sw_calc_duration)
			set_tx_desc_nav_use_hdr(pdesc, 1);

		if (bw_40) {
			if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
				set_tx_desc_data_bw(pdesc, 1);
				set_tx_desc_tx_sub_carrier(pdesc, 3);
			} else {
				set_tx_desc_data_bw(pdesc, 0);
				set_tx_desc_tx_sub_carrier(pdesc,
							   mac->cur_40_prime_sc);
			}
		} else {
			set_tx_desc_data_bw(pdesc, 0);
			set_tx_desc_tx_sub_carrier(pdesc, 0);
		}

		set_tx_desc_linip(pdesc, 0);
		set_tx_desc_pkt_size(pdesc, (u16)skb_len);
		if (sta) {
			u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;
			set_tx_desc_ampdu_density(pdesc, ampdu_density);
		}
		if (info->control.hw_key) {
			struct ieee80211_key_conf *keyconf;

			keyconf = info->control.hw_key;
			switch (keyconf->cipher) {
			case WLAN_CIPHER_SUITE_WEP40:
			case WLAN_CIPHER_SUITE_WEP104:
			case WLAN_CIPHER_SUITE_TKIP:
				set_tx_desc_sec_type(pdesc, 0x1);
				break;
			case WLAN_CIPHER_SUITE_CCMP:
				set_tx_desc_sec_type(pdesc, 0x3);
				break;
			default:
				set_tx_desc_sec_type(pdesc, 0x0);
				break;

			}
		}

		set_tx_desc_queue_sel(pdesc, fw_qsel);
		set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
		set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
		set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
				       1 : 0);
		set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);

		/*set_tx_desc_pwr_status(pdesc, pwr_status);*/
		/* Set TxRate and RTSRate in TxDesc  */
		/* This prevent Tx initial rate of new-coming packets */
		/* from being overwritten by retried  packet rate.*/
		if (!ptcb_desc->use_driver_rate) {
			/*set_tx_desc_rts_rate(pdesc, 0x08); */
			/* set_tx_desc_tx_rate(pdesc, 0x0b); */
		}
		if (ieee80211_is_data_qos(fc)) {
			if (mac->rdg_en) {
				rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
					"Enable RDG function.\n");
				set_tx_desc_rdg_enable(pdesc, 1);
				set_tx_desc_htc(pdesc, 1);
			}
		}
	}

	set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
	set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
	set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len);
	set_tx_desc_tx_buffer_address(pdesc, mapping);
	if (rtlpriv->dm.useramask) {
		set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
		set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
	} else {
		set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
		set_tx_desc_macid(pdesc, ptcb_desc->ratr_index);
	}
	if (ieee80211_is_data_qos(fc))
		set_tx_desc_qos(pdesc, 1);

	if (!ieee80211_is_data_qos(fc))
		set_tx_desc_hwseq_en(pdesc, 1);
	set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
	if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
	    is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
		set_tx_desc_bmc(pdesc, 1);
	}

	rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id);
	rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
}

void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
			     u8 *pdesc8, bool firstseg,
			     bool lastseg, struct sk_buff *skb)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	u8 fw_queue = QSLT_BEACON;
	__le32 *pdesc = (__le32 *)pdesc8;

	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
	__le16 fc = hdr->frame_control;

	dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
					    skb->len, DMA_TO_DEVICE);

	if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
		rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
			"DMA mapping error\n");
		return;
	}
	clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);

	if (firstseg)
		set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);

	set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);

	set_tx_desc_seq(pdesc, 0);

	set_tx_desc_linip(pdesc, 0);

	set_tx_desc_queue_sel(pdesc, fw_queue);

	set_tx_desc_first_seg(pdesc, 1);
	set_tx_desc_last_seg(pdesc, 1);

	set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));

	set_tx_desc_tx_buffer_address(pdesc, mapping);

	set_tx_desc_rate_id(pdesc, 7);
	set_tx_desc_macid(pdesc, 0);

	set_tx_desc_own(pdesc, 1);

	set_tx_desc_pkt_size(pdesc, (u16)(skb->len));

	set_tx_desc_first_seg(pdesc, 1);
	set_tx_desc_last_seg(pdesc, 1);

	set_tx_desc_offset(pdesc, 0x20);

	set_tx_desc_use_rate(pdesc, 1);

	if (!ieee80211_is_data_qos(fc))
		set_tx_desc_hwseq_en(pdesc, 1);

	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
		      "H2C Tx Cmd Content\n",
		      pdesc, TX_DESC_SIZE);
}

void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
		      bool istx, u8 desc_name, u8 *val)
{
	__le32 *pdesc = (__le32 *)pdesc8;

	if (istx) {
		switch (desc_name) {
		case HW_DESC_OWN:
			set_tx_desc_own(pdesc, 1);
			break;
		case HW_DESC_TX_NEXTDESC_ADDR:
			set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
			break;
		default:
			WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\n",
				  desc_name);
			break;
		}
	} else {
		switch (desc_name) {
		case HW_DESC_RXOWN:
			set_rx_desc_own(pdesc, 1);
			break;
		case HW_DESC_RXBUFF_ADDR:
			set_rx_desc_buff_addr(pdesc, *(u32 *)val);
			break;
		case HW_DESC_RXPKT_LEN:
			set_rx_desc_pkt_len(pdesc, *(u32 *)val);
			break;
		case HW_DESC_RXERO:
			set_rx_desc_eor(pdesc, 1);
			break;
		default:
			WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n",
				  desc_name);
			break;
		}
	}
}

u64 rtl88ee_get_desc(struct ieee80211_hw *hw,
		     u8 *pdesc8, bool istx, u8 desc_name)
{
	u32 ret = 0;
	__le32 *pdesc = (__le32 *)pdesc8;

	if (istx) {
		switch (desc_name) {
		case HW_DESC_OWN:
			ret = get_tx_desc_own(pdesc);
			break;
		case HW_DESC_TXBUFF_ADDR:
			ret = get_tx_desc_tx_buffer_address(pdesc);
			break;
		default:
			WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\n",
				  desc_name);
			break;
		}
	} else {
		switch (desc_name) {
		case HW_DESC_OWN:
			ret = get_rx_desc_own(pdesc);
			break;
		case HW_DESC_RXPKT_LEN:
			ret = get_rx_desc_pkt_len(pdesc);
			break;
		case HW_DESC_RXBUFF_ADDR:
			ret = get_rx_desc_buff_addr(pdesc);
			break;
		default:
			WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n",
				  desc_name);
			break;
		}
	}
	return ret;
}

bool rtl88ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
{
	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
	u8 *entry = (u8 *)(&ring->desc[ring->idx]);
	u8 own = (u8)rtl88ee_get_desc(hw, entry, true, HW_DESC_OWN);

	/*beacon packet will only use the first
	 *descriptor defautly,and the own may not
	 *be cleared by the hardware
	 */
	if (own)
		return false;
	return true;
}

void rtl88ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	if (hw_queue == BEACON_QUEUE) {
		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
	} else {
		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
			       BIT(0) << (hw_queue));
	}
}