1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2014  Realtek Corporation.*/
3 
4 #include "../wifi.h"
5 #include "../pci.h"
6 #include "../base.h"
7 #include "../stats.h"
8 #include "reg.h"
9 #include "def.h"
10 #include "phy.h"
11 #include "trx.h"
12 #include "led.h"
13 #include "dm.h"
14 #include "fw.h"
15 
16 static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
17 {
18 	__le16 fc = rtl_get_fc(skb);
19 
20 	if (unlikely(ieee80211_is_beacon(fc)))
21 		return QSLT_BEACON;
22 	if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
23 		return QSLT_MGNT;
24 
25 	return skb->priority;
26 }
27 
28 static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
29 					 struct rtl_stats *pstatus,
30 					 __le32 *pdesc,
31 					 struct rx_fwinfo_8723be *p_drvinfo,
32 					 bool bpacket_match_bssid,
33 					 bool bpacket_toself,
34 					 bool packet_beacon)
35 {
36 	struct rtl_priv *rtlpriv = rtl_priv(hw);
37 	struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
38 	s8 rx_pwr_all = 0, rx_pwr[4];
39 	u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
40 	u8 i, max_spatial_stream;
41 	u32 rssi, total_rssi = 0;
42 	bool is_cck = pstatus->is_cck;
43 	u8 lan_idx, vga_idx;
44 
45 	/* Record it for next packet processing */
46 	pstatus->packet_matchbssid = bpacket_match_bssid;
47 	pstatus->packet_toself = bpacket_toself;
48 	pstatus->packet_beacon = packet_beacon;
49 	pstatus->rx_mimo_signalquality[0] = -1;
50 	pstatus->rx_mimo_signalquality[1] = -1;
51 
52 	if (is_cck) {
53 		u8 cck_agc_rpt;
54 
55 		cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
56 
57 		/* (1)Hardware does not provide RSSI for CCK */
58 		/* (2)PWDB, Average PWDB calculated by
59 		 * hardware (for rate adaptive)
60 		 */
61 		rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, BIT(9));
62 
63 		lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
64 		vga_idx = (cck_agc_rpt & 0x1f);
65 
66 		switch (lan_idx) {
67 		/* 46 53 73 95 201301231630 */
68 		/* 46 53 77 99 201301241630 */
69 		case 6:
70 			rx_pwr_all = -34 - (2 * vga_idx);
71 			break;
72 		case 4:
73 			rx_pwr_all = -14 - (2 * vga_idx);
74 			break;
75 		case 1:
76 			rx_pwr_all = 6 - (2 * vga_idx);
77 			break;
78 		case 0:
79 			rx_pwr_all = 16 - (2 * vga_idx);
80 			break;
81 		default:
82 			break;
83 		}
84 
85 		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
86 		if (pwdb_all > 100)
87 			pwdb_all = 100;
88 
89 		pstatus->rx_pwdb_all = pwdb_all;
90 		pstatus->bt_rx_rssi_percentage = pwdb_all;
91 		pstatus->recvsignalpower = rx_pwr_all;
92 
93 		/* (3) Get Signal Quality (EVM) */
94 		if (bpacket_match_bssid) {
95 			u8 sq, sq_rpt;
96 			if (pstatus->rx_pwdb_all > 40) {
97 				sq = 100;
98 			} else {
99 				sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
100 				if (sq_rpt > 64)
101 					sq = 0;
102 				else if (sq_rpt < 20)
103 					sq = 100;
104 				else
105 					sq = ((64 - sq_rpt) * 100) / 44;
106 			}
107 			pstatus->signalquality = sq;
108 			pstatus->rx_mimo_signalquality[0] = sq;
109 			pstatus->rx_mimo_signalquality[1] = -1;
110 		}
111 	} else {
112 		/* (1)Get RSSI for HT rate */
113 		for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
114 			/* we will judge RF RX path now. */
115 			if (rtlpriv->dm.rfpath_rxenable[i])
116 				rf_rx_num++;
117 
118 			rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
119 				    - 110;
120 
121 			pstatus->rx_pwr[i] = rx_pwr[i];
122 			/* Translate DBM to percentage. */
123 			rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
124 			total_rssi += rssi;
125 
126 			pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
127 		}
128 
129 		/* (2)PWDB, Average PWDB calculated by
130 		 * hardware (for rate adaptive)
131 		 */
132 		rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
133 			     0x7f) - 110;
134 
135 		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
136 		pwdb_all_bt = pwdb_all;
137 		pstatus->rx_pwdb_all = pwdb_all;
138 		pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
139 		pstatus->rxpower = rx_pwr_all;
140 		pstatus->recvsignalpower = rx_pwr_all;
141 
142 		/* (3)EVM of HT rate */
143 		if (pstatus->rate >= DESC92C_RATEMCS8 &&
144 		    pstatus->rate <= DESC92C_RATEMCS15)
145 			max_spatial_stream = 2;
146 		else
147 			max_spatial_stream = 1;
148 
149 		for (i = 0; i < max_spatial_stream; i++) {
150 			evm = rtl_evm_db_to_percentage(
151 						p_phystrpt->stream_rxevm[i]);
152 
153 			if (bpacket_match_bssid) {
154 				/* Fill value in RFD, Get the first
155 				 * spatial stream only
156 				 */
157 				if (i == 0)
158 					pstatus->signalquality =
159 							(u8)(evm & 0xff);
160 				pstatus->rx_mimo_signalquality[i] =
161 							(u8)(evm & 0xff);
162 			}
163 		}
164 
165 		if (bpacket_match_bssid) {
166 			for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
167 				rtl_priv(hw)->dm.cfo_tail[i] =
168 					(int)p_phystrpt->path_cfotail[i];
169 
170 			if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
171 				rtl_priv(hw)->dm.packet_count = 0;
172 			else
173 				rtl_priv(hw)->dm.packet_count++;
174 		}
175 	}
176 
177 	/* UI BSS List signal strength(in percentage),
178 	 * make it good looking, from 0~100.
179 	 */
180 	if (is_cck)
181 		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
182 								pwdb_all));
183 	else if (rf_rx_num != 0)
184 		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
185 						total_rssi /= rf_rx_num));
186 }
187 
188 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
189 					struct sk_buff *skb,
190 					struct rtl_stats *pstatus,
191 					__le32 *pdesc,
192 					struct rx_fwinfo_8723be *p_drvinfo)
193 {
194 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
195 	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
196 	struct ieee80211_hdr *hdr;
197 	u8 *tmp_buf;
198 	u8 *praddr;
199 	u8 *psaddr;
200 	u16 fc, type;
201 	bool packet_matchbssid, packet_toself, packet_beacon;
202 
203 	tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
204 
205 	hdr = (struct ieee80211_hdr *)tmp_buf;
206 	fc = le16_to_cpu(hdr->frame_control);
207 	type = WLAN_FC_GET_TYPE(hdr->frame_control);
208 	praddr = hdr->addr1;
209 	psaddr = ieee80211_get_SA(hdr);
210 	memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
211 
212 	packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
213 	     (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
214 				  hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
215 				  hdr->addr2 : hdr->addr3)) &&
216 				  (!pstatus->hwerror) &&
217 				  (!pstatus->crc) && (!pstatus->icv));
218 
219 	packet_toself = packet_matchbssid &&
220 	    (ether_addr_equal(praddr, rtlefuse->dev_addr));
221 
222 	/* YP: packet_beacon is not initialized,
223 	 * this assignment is neccesary,
224 	 * otherwise it counld be true in this case
225 	 * the situation is much worse in Kernel 3.10
226 	 */
227 	if (ieee80211_is_beacon(hdr->frame_control))
228 		packet_beacon = true;
229 	else
230 		packet_beacon = false;
231 
232 	if (packet_beacon && packet_matchbssid)
233 		rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
234 
235 	_rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
236 				     packet_matchbssid,
237 				     packet_toself,
238 				     packet_beacon);
239 
240 	rtl_process_phyinfo(hw, tmp_buf, pstatus);
241 }
242 
243 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
244 					__le32 *virtualaddress)
245 {
246 	u32 dwtmp = 0;
247 	memset(virtualaddress, 0, 8);
248 
249 	set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
250 	if (ptcb_desc->empkt_num == 1) {
251 		dwtmp = ptcb_desc->empkt_len[0];
252 	} else {
253 		dwtmp = ptcb_desc->empkt_len[0];
254 		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
255 		dwtmp += ptcb_desc->empkt_len[1];
256 	}
257 	set_earlymode_len0(virtualaddress, dwtmp);
258 
259 	if (ptcb_desc->empkt_num <= 3) {
260 		dwtmp = ptcb_desc->empkt_len[2];
261 	} else {
262 		dwtmp = ptcb_desc->empkt_len[2];
263 		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
264 		dwtmp += ptcb_desc->empkt_len[3];
265 	}
266 	set_earlymode_len1(virtualaddress, dwtmp);
267 	if (ptcb_desc->empkt_num <= 5) {
268 		dwtmp = ptcb_desc->empkt_len[4];
269 	} else {
270 		dwtmp = ptcb_desc->empkt_len[4];
271 		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
272 		dwtmp += ptcb_desc->empkt_len[5];
273 	}
274 	set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
275 	set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
276 	if (ptcb_desc->empkt_num <= 7) {
277 		dwtmp = ptcb_desc->empkt_len[6];
278 	} else {
279 		dwtmp = ptcb_desc->empkt_len[6];
280 		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
281 		dwtmp += ptcb_desc->empkt_len[7];
282 	}
283 	set_earlymode_len3(virtualaddress, dwtmp);
284 	if (ptcb_desc->empkt_num <= 9) {
285 		dwtmp = ptcb_desc->empkt_len[8];
286 	} else {
287 		dwtmp = ptcb_desc->empkt_len[8];
288 		dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
289 		dwtmp += ptcb_desc->empkt_len[9];
290 	}
291 	set_earlymode_len4(virtualaddress, dwtmp);
292 }
293 
294 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
295 			     struct rtl_stats *status,
296 			     struct ieee80211_rx_status *rx_status,
297 			     u8 *pdesc8, struct sk_buff *skb)
298 {
299 	struct rtl_priv *rtlpriv = rtl_priv(hw);
300 	struct rx_fwinfo_8723be *p_drvinfo;
301 	struct ieee80211_hdr *hdr;
302 	u8 wake_match;
303 	__le32 *pdesc = (__le32 *)pdesc8;
304 	u32 phystatus = get_rx_desc_physt(pdesc);
305 
306 	status->length = (u16)get_rx_desc_pkt_len(pdesc);
307 	status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
308 				  RX_DRV_INFO_SIZE_UNIT;
309 	status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
310 	status->icv = (u16)get_rx_desc_icv(pdesc);
311 	status->crc = (u16)get_rx_desc_crc32(pdesc);
312 	status->hwerror = (status->crc | status->icv);
313 	status->decrypted = !get_rx_desc_swdec(pdesc);
314 	status->rate = (u8)get_rx_desc_rxmcs(pdesc);
315 	status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
316 	status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
317 	status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
318 	status->timestamp_low = get_rx_desc_tsfl(pdesc);
319 	status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
320 	status->bandwidth = (u8)get_rx_desc_bw(pdesc);
321 	status->macid = get_rx_desc_macid(pdesc);
322 	status->is_ht = (bool)get_rx_desc_rxht(pdesc);
323 
324 	status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
325 
326 	if (get_rx_status_desc_rpt_sel(pdesc))
327 		status->packet_report_type = C2H_PACKET;
328 	else
329 		status->packet_report_type = NORMAL_RX;
330 
331 
332 	if (get_rx_status_desc_pattern_match(pdesc))
333 		wake_match = BIT(2);
334 	else if (get_rx_status_desc_magic_match(pdesc))
335 		wake_match = BIT(1);
336 	else if (get_rx_status_desc_unicast_match(pdesc))
337 		wake_match = BIT(0);
338 	else
339 		wake_match = 0;
340 	if (wake_match)
341 		rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
342 			"GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
343 			wake_match);
344 	rx_status->freq = hw->conf.chandef.chan->center_freq;
345 	rx_status->band = hw->conf.chandef.chan->band;
346 
347 	hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
348 				       status->rx_bufshift);
349 
350 	if (status->crc)
351 		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
352 
353 	if (status->rx_is40mhzpacket)
354 		rx_status->bw = RATE_INFO_BW_40;
355 
356 	if (status->is_ht)
357 		rx_status->encoding = RX_ENC_HT;
358 
359 	rx_status->flag |= RX_FLAG_MACTIME_START;
360 
361 	/* hw will set status->decrypted true, if it finds the
362 	 * frame is open data frame or mgmt frame.
363 	 * So hw will not decryption robust managment frame
364 	 * for IEEE80211w but still set status->decrypted
365 	 * true, so here we should set it back to undecrypted
366 	 * for IEEE80211w frame, and mac80211 sw will help
367 	 * to decrypt it
368 	 */
369 	if (status->decrypted) {
370 		if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
371 		    (ieee80211_has_protected(hdr->frame_control)))
372 			rx_status->flag |= RX_FLAG_DECRYPTED;
373 		else
374 			rx_status->flag &= ~RX_FLAG_DECRYPTED;
375 	}
376 
377 	/* rate_idx: index of data rate into band's
378 	 * supported rates or MCS index if HT rates
379 	 * are use (RX_FLAG_HT)
380 	 */
381 	rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
382 						   false, status->rate);
383 
384 	rx_status->mactime = status->timestamp_low;
385 	if (phystatus) {
386 		p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
387 							status->rx_bufshift);
388 
389 		_rtl8723be_translate_rx_signal_stuff(hw, skb, status,
390 						     pdesc, p_drvinfo);
391 	}
392 	rx_status->signal = status->recvsignalpower + 10;
393 	if (status->packet_report_type == TX_REPORT2) {
394 		status->macid_valid_entry[0] =
395 		  get_rx_rpt2_desc_macid_valid_1(pdesc);
396 		status->macid_valid_entry[1] =
397 		  get_rx_rpt2_desc_macid_valid_2(pdesc);
398 	}
399 	return true;
400 }
401 
402 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
403 			    struct ieee80211_hdr *hdr, u8 *pdesc8,
404 			    u8 *txbd, struct ieee80211_tx_info *info,
405 			    struct ieee80211_sta *sta, struct sk_buff *skb,
406 			    u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
407 {
408 	struct rtl_priv *rtlpriv = rtl_priv(hw);
409 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
410 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
411 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
412 	struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);
413 	__le32 *pdesc = (__le32 *)pdesc8;
414 	u16 seq_number;
415 	__le16 fc = hdr->frame_control;
416 	unsigned int buf_len = 0;
417 	unsigned int skb_len = skb->len;
418 	u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
419 	bool firstseg = ((hdr->seq_ctrl &
420 			    cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
421 	bool lastseg = ((hdr->frame_control &
422 			   cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
423 	dma_addr_t mapping;
424 	u8 bw_40 = 0;
425 	u8 short_gi = 0;
426 
427 	if (mac->opmode == NL80211_IFTYPE_STATION) {
428 		bw_40 = mac->bw_40;
429 	} else if (mac->opmode == NL80211_IFTYPE_AP ||
430 		mac->opmode == NL80211_IFTYPE_ADHOC) {
431 		if (sta)
432 			bw_40 = sta->deflink.ht_cap.cap &
433 				IEEE80211_HT_CAP_SUP_WIDTH_20_40;
434 	}
435 	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
436 	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
437 	/* reserve 8 byte for AMPDU early mode */
438 	if (rtlhal->earlymode_enable) {
439 		skb_push(skb, EM_HDR_LEN);
440 		memset(skb->data, 0, EM_HDR_LEN);
441 	}
442 	buf_len = skb->len;
443 	mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
444 				 DMA_TO_DEVICE);
445 	if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
446 		rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error\n");
447 		return;
448 	}
449 	clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723be));
450 	if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
451 		firstseg = true;
452 		lastseg = true;
453 	}
454 	if (firstseg) {
455 		if (rtlhal->earlymode_enable) {
456 			set_tx_desc_pkt_offset(pdesc, 1);
457 			set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
458 					   EM_HDR_LEN);
459 			if (ptcb_desc->empkt_num) {
460 				rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
461 					"Insert 8 byte.pTcb->EMPktNum:%d\n",
462 					ptcb_desc->empkt_num);
463 				_rtl8723be_insert_emcontent(ptcb_desc,
464 							    (__le32 *)(skb->data));
465 			}
466 		} else {
467 			set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
468 		}
469 
470 
471 		/* ptcb_desc->use_driver_rate = true; */
472 		set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
473 		if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
474 			short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
475 		else
476 			short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
477 
478 		set_tx_desc_data_shortgi(pdesc, short_gi);
479 
480 		if (info->flags & IEEE80211_TX_CTL_AMPDU) {
481 			set_tx_desc_agg_enable(pdesc, 1);
482 			set_tx_desc_max_agg_num(pdesc, 0x14);
483 		}
484 		set_tx_desc_seq(pdesc, seq_number);
485 		set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
486 						!ptcb_desc->cts_enable) ?
487 						1 : 0));
488 		set_tx_desc_hw_rts_enable(pdesc, 0);
489 		set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ?
490 					      1 : 0));
491 
492 		set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
493 
494 		set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
495 		set_tx_desc_rts_short(pdesc,
496 			((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
497 			 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
498 			 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
499 
500 		if (ptcb_desc->tx_enable_sw_calc_duration)
501 			set_tx_desc_nav_use_hdr(pdesc, 1);
502 
503 		if (bw_40) {
504 			if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
505 				set_tx_desc_data_bw(pdesc, 1);
506 				set_tx_desc_tx_sub_carrier(pdesc, 3);
507 			} else {
508 				set_tx_desc_data_bw(pdesc, 0);
509 				set_tx_desc_tx_sub_carrier(pdesc, mac->cur_40_prime_sc);
510 			}
511 		} else {
512 			set_tx_desc_data_bw(pdesc, 0);
513 			set_tx_desc_tx_sub_carrier(pdesc, 0);
514 		}
515 
516 		set_tx_desc_linip(pdesc, 0);
517 		set_tx_desc_pkt_size(pdesc, (u16)skb_len);
518 		if (sta) {
519 			u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;
520 			set_tx_desc_ampdu_density(pdesc, ampdu_density);
521 		}
522 		if (info->control.hw_key) {
523 			struct ieee80211_key_conf *keyconf =
524 						info->control.hw_key;
525 			switch (keyconf->cipher) {
526 			case WLAN_CIPHER_SUITE_WEP40:
527 			case WLAN_CIPHER_SUITE_WEP104:
528 			case WLAN_CIPHER_SUITE_TKIP:
529 				set_tx_desc_sec_type(pdesc, 0x1);
530 				break;
531 			case WLAN_CIPHER_SUITE_CCMP:
532 				set_tx_desc_sec_type(pdesc, 0x3);
533 				break;
534 			default:
535 				set_tx_desc_sec_type(pdesc, 0x0);
536 				break;
537 			}
538 		}
539 
540 		set_tx_desc_queue_sel(pdesc, fw_qsel);
541 		set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
542 		set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
543 		set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
544 					      1 : 0);
545 		set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
546 
547 		/* Set TxRate and RTSRate in TxDesc  */
548 		/* This prevent Tx initial rate of new-coming packets */
549 		/* from being overwritten by retried  packet rate.*/
550 		if (ieee80211_is_data_qos(fc)) {
551 			if (mac->rdg_en) {
552 				rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
553 					"Enable RDG function.\n");
554 				set_tx_desc_rdg_enable(pdesc, 1);
555 				set_tx_desc_htc(pdesc, 1);
556 			}
557 		}
558 		/* tx report */
559 		rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);
560 	}
561 
562 	set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
563 	set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
564 	set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len);
565 	set_tx_desc_tx_buffer_address(pdesc, mapping);
566 	/* if (rtlpriv->dm.useramask) { */
567 	if (1) {
568 		set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
569 		set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
570 	} else {
571 		set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
572 		set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
573 	}
574 	if (!ieee80211_is_data_qos(fc))  {
575 		set_tx_desc_hwseq_en(pdesc, 1);
576 		set_tx_desc_hwseq_sel(pdesc, 0);
577 	}
578 	set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
579 	if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
580 	    is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
581 		set_tx_desc_bmc(pdesc, 1);
582 	}
583 
584 	rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
585 }
586 
587 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
588 			       bool firstseg, bool lastseg,
589 			       struct sk_buff *skb)
590 {
591 	struct rtl_priv *rtlpriv = rtl_priv(hw);
592 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
593 	u8 fw_queue = QSLT_BEACON;
594 	__le32 *pdesc = (__le32 *)pdesc8;
595 
596 	dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
597 					    skb->len, DMA_TO_DEVICE);
598 
599 	if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
600 		rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
601 			"DMA mapping error\n");
602 		return;
603 	}
604 	clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
605 
606 	set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
607 
608 	set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
609 
610 	set_tx_desc_seq(pdesc, 0);
611 
612 	set_tx_desc_linip(pdesc, 0);
613 
614 	set_tx_desc_queue_sel(pdesc, fw_queue);
615 
616 	set_tx_desc_first_seg(pdesc, 1);
617 	set_tx_desc_last_seg(pdesc, 1);
618 
619 	set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
620 
621 	set_tx_desc_tx_buffer_address(pdesc, mapping);
622 
623 	set_tx_desc_rate_id(pdesc, 0);
624 	set_tx_desc_macid(pdesc, 0);
625 
626 	set_tx_desc_own(pdesc, 1);
627 
628 	set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
629 
630 	set_tx_desc_first_seg(pdesc, 1);
631 	set_tx_desc_last_seg(pdesc, 1);
632 
633 	set_tx_desc_use_rate(pdesc, 1);
634 
635 	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
636 		      "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
637 }
638 
639 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
640 			bool istx, u8 desc_name, u8 *val)
641 {
642 	__le32 *pdesc = (__le32 *)pdesc8;
643 
644 	if (istx) {
645 		switch (desc_name) {
646 		case HW_DESC_OWN:
647 			set_tx_desc_own(pdesc, 1);
648 			break;
649 		case HW_DESC_TX_NEXTDESC_ADDR:
650 			set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
651 			break;
652 		default:
653 			WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not processed\n",
654 				  desc_name);
655 			break;
656 		}
657 	} else {
658 		switch (desc_name) {
659 		case HW_DESC_RXOWN:
660 			set_rx_desc_own(pdesc, 1);
661 			break;
662 		case HW_DESC_RXBUFF_ADDR:
663 			set_rx_desc_buff_addr(pdesc, *(u32 *)val);
664 			break;
665 		case HW_DESC_RXPKT_LEN:
666 			set_rx_desc_pkt_len(pdesc, *(u32 *)val);
667 			break;
668 		case HW_DESC_RXERO:
669 			set_rx_desc_eor(pdesc, 1);
670 			break;
671 		default:
672 			WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not process\n",
673 				  desc_name);
674 			break;
675 		}
676 	}
677 }
678 
679 u64 rtl8723be_get_desc(struct ieee80211_hw *hw,
680 		       u8 *pdesc8, bool istx, u8 desc_name)
681 {
682 	u32 ret = 0;
683 	__le32 *pdesc = (__le32 *)pdesc8;
684 
685 	if (istx) {
686 		switch (desc_name) {
687 		case HW_DESC_OWN:
688 			ret = get_tx_desc_own(pdesc);
689 			break;
690 		case HW_DESC_TXBUFF_ADDR:
691 			ret = get_tx_desc_tx_buffer_address(pdesc);
692 			break;
693 		default:
694 			WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not process\n",
695 				  desc_name);
696 			break;
697 		}
698 	} else {
699 		switch (desc_name) {
700 		case HW_DESC_OWN:
701 			ret = get_rx_desc_own(pdesc);
702 			break;
703 		case HW_DESC_RXPKT_LEN:
704 			ret = get_rx_desc_pkt_len(pdesc);
705 			break;
706 		case HW_DESC_RXBUFF_ADDR:
707 			ret = get_rx_desc_buff_addr(pdesc);
708 			break;
709 		default:
710 			WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not processed\n",
711 				  desc_name);
712 			break;
713 		}
714 	}
715 	return ret;
716 }
717 
718 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
719 				 u8 hw_queue, u16 index)
720 {
721 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
722 	struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
723 	u8 *entry = (u8 *)(&ring->desc[ring->idx]);
724 	u8 own = (u8)rtl8723be_get_desc(hw, entry, true, HW_DESC_OWN);
725 
726 	/*beacon packet will only use the first
727 	 *descriptor defautly,and the own may not
728 	 *be cleared by the hardware
729 	 */
730 	if (own)
731 		return false;
732 	return true;
733 }
734 
735 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
736 {
737 	struct rtl_priv *rtlpriv = rtl_priv(hw);
738 	if (hw_queue == BEACON_QUEUE) {
739 		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
740 	} else {
741 		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
742 			       BIT(0) << (hw_queue));
743 	}
744 }
745