1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2012  Realtek Corporation.
4  *
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.
8  *
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
12  * more details.
13  *
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
17  *
18  * The full GNU General Public License is included in this distribution in the
19  * file called LICENSE.
20  *
21  * Contact Information:
22  * wlanfae <wlanfae@realtek.com>
23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24  * Hsinchu 300, Taiwan.
25  *
26  * Larry Finger <Larry.Finger@lwfinger.net>
27  *
28  *****************************************************************************/
29 
30 #include "../wifi.h"
31 #include "../pci.h"
32 #include "../base.h"
33 #include "reg.h"
34 #include "def.h"
35 #include "phy.h"
36 #include "trx.h"
37 #include "led.h"
38 
39 static u8 _rtl92de_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
40 {
41 	__le16 fc = rtl_get_fc(skb);
42 
43 	if (unlikely(ieee80211_is_beacon(fc)))
44 		return QSLT_BEACON;
45 	if (ieee80211_is_mgmt(fc))
46 		return QSLT_MGNT;
47 
48 	return skb->priority;
49 }
50 
51 static u8 _rtl92d_query_rxpwrpercentage(char antpower)
52 {
53 	if ((antpower <= -100) || (antpower >= 20))
54 		return 0;
55 	else if (antpower >= 0)
56 		return 100;
57 	else
58 		return 100 + antpower;
59 }
60 
61 static u8 _rtl92d_evm_db_to_percentage(char value)
62 {
63 	char ret_val = value;
64 
65 	if (ret_val >= 0)
66 		ret_val = 0;
67 	if (ret_val <= -33)
68 		ret_val = -33;
69 	ret_val = 0 - ret_val;
70 	ret_val *= 3;
71 	if (ret_val == 99)
72 		ret_val = 100;
73 	return ret_val;
74 }
75 
76 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw,
77 				     u8 signal_strength_index)
78 {
79 	long signal_power;
80 
81 	signal_power = (long)((signal_strength_index + 1) >> 1);
82 	signal_power -= 95;
83 	return signal_power;
84 }
85 
86 static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig)
87 {
88 	long retsig;
89 
90 	if (currsig >= 61 && currsig <= 100)
91 		retsig = 90 + ((currsig - 60) / 4);
92 	else if (currsig >= 41 && currsig <= 60)
93 		retsig = 78 + ((currsig - 40) / 2);
94 	else if (currsig >= 31 && currsig <= 40)
95 		retsig = 66 + (currsig - 30);
96 	else if (currsig >= 21 && currsig <= 30)
97 		retsig = 54 + (currsig - 20);
98 	else if (currsig >= 5 && currsig <= 20)
99 		retsig = 42 + (((currsig - 5) * 2) / 3);
100 	else if (currsig == 4)
101 		retsig = 36;
102 	else if (currsig == 3)
103 		retsig = 27;
104 	else if (currsig == 2)
105 		retsig = 18;
106 	else if (currsig == 1)
107 		retsig = 9;
108 	else
109 		retsig = currsig;
110 	return retsig;
111 }
112 
113 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
114 				       struct rtl_stats *pstats,
115 				       struct rx_desc_92d *pdesc,
116 				       struct rx_fwinfo_92d *p_drvinfo,
117 				       bool packet_match_bssid,
118 				       bool packet_toself,
119 				       bool packet_beacon)
120 {
121 	struct rtl_priv *rtlpriv = rtl_priv(hw);
122 	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
123 	struct phy_sts_cck_8192d *cck_buf;
124 	s8 rx_pwr_all, rx_pwr[4];
125 	u8 rf_rx_num = 0, evm, pwdb_all;
126 	u8 i, max_spatial_stream;
127 	u32 rssi, total_rssi = 0;
128 	bool is_cck_rate;
129 
130 	is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
131 	pstats->packet_matchbssid = packet_match_bssid;
132 	pstats->packet_toself = packet_toself;
133 	pstats->packet_beacon = packet_beacon;
134 	pstats->is_cck = is_cck_rate;
135 	pstats->rx_mimo_sig_qual[0] = -1;
136 	pstats->rx_mimo_sig_qual[1] = -1;
137 
138 	if (is_cck_rate) {
139 		u8 report, cck_highpwr;
140 		cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
141 		if (ppsc->rfpwr_state == ERFON)
142 			cck_highpwr = (u8) rtl_get_bbreg(hw,
143 						 RFPGA0_XA_HSSIPARAMETER2,
144 						 BIT(9));
145 		else
146 			cck_highpwr = false;
147 		if (!cck_highpwr) {
148 			u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
149 			report = cck_buf->cck_agc_rpt & 0xc0;
150 			report = report >> 6;
151 			switch (report) {
152 			case 0x3:
153 				rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
154 				break;
155 			case 0x2:
156 				rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
157 				break;
158 			case 0x1:
159 				rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
160 				break;
161 			case 0x0:
162 				rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
163 				break;
164 			}
165 		} else {
166 			u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
167 			report = p_drvinfo->cfosho[0] & 0x60;
168 			report = report >> 5;
169 			switch (report) {
170 			case 0x3:
171 				rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
172 				break;
173 			case 0x2:
174 				rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
175 				break;
176 			case 0x1:
177 				rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
178 				break;
179 			case 0x0:
180 				rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
181 				break;
182 			}
183 		}
184 		pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
185 		/* CCK gain is smaller than OFDM/MCS gain,  */
186 		/* so we add gain diff by experiences, the val is 6 */
187 		pwdb_all += 6;
188 		if (pwdb_all > 100)
189 			pwdb_all = 100;
190 		/* modify the offset to make the same gain index with OFDM. */
191 		if (pwdb_all > 34 && pwdb_all <= 42)
192 			pwdb_all -= 2;
193 		else if (pwdb_all > 26 && pwdb_all <= 34)
194 			pwdb_all -= 6;
195 		else if (pwdb_all > 14 && pwdb_all <= 26)
196 			pwdb_all -= 8;
197 		else if (pwdb_all > 4 && pwdb_all <= 14)
198 			pwdb_all -= 4;
199 		pstats->rx_pwdb_all = pwdb_all;
200 		pstats->recvsignalpower = rx_pwr_all;
201 		if (packet_match_bssid) {
202 			u8 sq;
203 			if (pstats->rx_pwdb_all > 40) {
204 				sq = 100;
205 			} else {
206 				sq = cck_buf->sq_rpt;
207 				if (sq > 64)
208 					sq = 0;
209 				else if (sq < 20)
210 					sq = 100;
211 				else
212 					sq = ((64 - sq) * 100) / 44;
213 			}
214 			pstats->signalquality = sq;
215 			pstats->rx_mimo_sig_qual[0] = sq;
216 			pstats->rx_mimo_sig_qual[1] = -1;
217 		}
218 	} else {
219 		rtlpriv->dm.rfpath_rxenable[0] = true;
220 		rtlpriv->dm.rfpath_rxenable[1] = true;
221 		for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
222 			if (rtlpriv->dm.rfpath_rxenable[i])
223 				rf_rx_num++;
224 			rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
225 				    - 110;
226 			rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]);
227 			total_rssi += rssi;
228 			rtlpriv->stats.rx_snr_db[i] =
229 					 (long)(p_drvinfo->rxsnr[i] / 2);
230 			if (packet_match_bssid)
231 				pstats->rx_mimo_signalstrength[i] = (u8) rssi;
232 		}
233 		rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106;
234 		pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
235 		pstats->rx_pwdb_all = pwdb_all;
236 		pstats->rxpower = rx_pwr_all;
237 		pstats->recvsignalpower = rx_pwr_all;
238 		if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 &&
239 		    pdesc->rxmcs <= DESC_RATEMCS15)
240 			max_spatial_stream = 2;
241 		else
242 			max_spatial_stream = 1;
243 		for (i = 0; i < max_spatial_stream; i++) {
244 			evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]);
245 			if (packet_match_bssid) {
246 				if (i == 0)
247 					pstats->signalquality =
248 						 (u8)(evm & 0xff);
249 				pstats->rx_mimo_sig_qual[i] =
250 						 (u8)(evm & 0xff);
251 			}
252 		}
253 	}
254 	if (is_cck_rate)
255 		pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
256 				pwdb_all));
257 	else if (rf_rx_num != 0)
258 		pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
259 				total_rssi /= rf_rx_num));
260 }
261 
262 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
263 				   struct rtl_stats *pstats)
264 {
265 	struct rtl_priv *rtlpriv = rtl_priv(hw);
266 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
267 	u8 rfpath;
268 
269 	for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
270 	     rfpath++) {
271 		if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
272 			rtlpriv->stats.rx_rssi_percentage[rfpath] =
273 			    pstats->rx_mimo_signalstrength[rfpath];
274 
275 		}
276 		if (pstats->rx_mimo_signalstrength[rfpath] >
277 		    rtlpriv->stats.rx_rssi_percentage[rfpath]) {
278 			rtlpriv->stats.rx_rssi_percentage[rfpath] =
279 			    ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
280 			      (RX_SMOOTH_FACTOR - 1)) +
281 			     (pstats->rx_mimo_signalstrength[rfpath])) /
282 			    (RX_SMOOTH_FACTOR);
283 			rtlpriv->stats.rx_rssi_percentage[rfpath] =
284 			    rtlpriv->stats.rx_rssi_percentage[rfpath] + 1;
285 		} else {
286 			rtlpriv->stats.rx_rssi_percentage[rfpath] =
287 			    ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
288 			      (RX_SMOOTH_FACTOR - 1)) +
289 			     (pstats->rx_mimo_signalstrength[rfpath])) /
290 			    (RX_SMOOTH_FACTOR);
291 		}
292 	}
293 }
294 
295 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
296 				     struct rtl_stats *pstats)
297 {
298 	struct rtl_priv *rtlpriv = rtl_priv(hw);
299 	u32 last_rssi, tmpval;
300 
301 	if (pstats->packet_toself || pstats->packet_beacon) {
302 		rtlpriv->stats.rssi_calculate_cnt++;
303 		if (rtlpriv->stats.ui_rssi.total_num++ >=
304 		    PHY_RSSI_SLID_WIN_MAX) {
305 			rtlpriv->stats.ui_rssi.total_num =
306 						 PHY_RSSI_SLID_WIN_MAX;
307 			last_rssi = rtlpriv->stats.ui_rssi.elements[
308 				rtlpriv->stats.ui_rssi.index];
309 			rtlpriv->stats.ui_rssi.total_val -= last_rssi;
310 		}
311 		rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
312 		rtlpriv->stats.ui_rssi.elements
313 			[rtlpriv->stats.ui_rssi.index++] =
314 			pstats->signalstrength;
315 		if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
316 			rtlpriv->stats.ui_rssi.index = 0;
317 		tmpval = rtlpriv->stats.ui_rssi.total_val /
318 			rtlpriv->stats.ui_rssi.total_num;
319 		rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw,
320 			(u8) tmpval);
321 		pstats->rssi = rtlpriv->stats.signal_strength;
322 	}
323 	if (!pstats->is_cck && pstats->packet_toself)
324 		rtl92d_loop_over_paths(hw, pstats);
325 }
326 
327 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw,
328 					       struct rtl_stats *pstats)
329 {
330 	struct rtl_priv *rtlpriv = rtl_priv(hw);
331 	int weighting = 0;
332 
333 	if (rtlpriv->stats.recv_signal_power == 0)
334 		rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
335 	if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
336 		weighting = 5;
337 	else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
338 		weighting = (-5);
339 	rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power *
340 		5 + pstats->recvsignalpower + weighting) / 6;
341 }
342 
343 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw,
344 				  struct rtl_stats *pstats)
345 {
346 	struct rtl_priv *rtlpriv = rtl_priv(hw);
347 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
348 	long undec_sm_pwdb;
349 
350 	if (mac->opmode == NL80211_IFTYPE_ADHOC	||
351 		mac->opmode == NL80211_IFTYPE_AP)
352 		return;
353 	else
354 		undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
355 
356 	if (pstats->packet_toself || pstats->packet_beacon) {
357 		if (undec_sm_pwdb < 0)
358 			undec_sm_pwdb = pstats->rx_pwdb_all;
359 		if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
360 			undec_sm_pwdb = (((undec_sm_pwdb) *
361 			      (RX_SMOOTH_FACTOR - 1)) +
362 			      (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
363 			undec_sm_pwdb = undec_sm_pwdb + 1;
364 		} else {
365 			undec_sm_pwdb = (((undec_sm_pwdb) *
366 			      (RX_SMOOTH_FACTOR - 1)) +
367 			      (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
368 		}
369 		rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
370 		_rtl92de_update_rxsignalstatistics(hw, pstats);
371 	}
372 }
373 
374 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
375 				     struct rtl_stats *pstats)
376 {
377 	struct rtl_priv *rtlpriv = rtl_priv(hw);
378 	int stream;
379 
380 	for (stream = 0; stream < 2; stream++) {
381 		if (pstats->rx_mimo_sig_qual[stream] != -1) {
382 			if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
383 				rtlpriv->stats.rx_evm_percentage[stream] =
384 				    pstats->rx_mimo_sig_qual[stream];
385 			}
386 			rtlpriv->stats.rx_evm_percentage[stream] =
387 			    ((rtlpriv->stats.rx_evm_percentage[stream]
388 			      * (RX_SMOOTH_FACTOR - 1)) +
389 			     (pstats->rx_mimo_sig_qual[stream] * 1)) /
390 			    (RX_SMOOTH_FACTOR);
391 		}
392 	}
393 }
394 
395 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
396 					     struct rtl_stats *pstats)
397 {
398 	struct rtl_priv *rtlpriv = rtl_priv(hw);
399 	u32 last_evm, tmpval;
400 
401 	if (pstats->signalquality == 0)
402 		return;
403 	if (pstats->packet_toself || pstats->packet_beacon) {
404 		if (rtlpriv->stats.ui_link_quality.total_num++ >=
405 		    PHY_LINKQUALITY_SLID_WIN_MAX) {
406 			rtlpriv->stats.ui_link_quality.total_num =
407 			    PHY_LINKQUALITY_SLID_WIN_MAX;
408 			last_evm = rtlpriv->stats.ui_link_quality.elements[
409 				rtlpriv->stats.ui_link_quality.index];
410 			rtlpriv->stats.ui_link_quality.total_val -= last_evm;
411 		}
412 		rtlpriv->stats.ui_link_quality.total_val +=
413 						 pstats->signalquality;
414 		rtlpriv->stats.ui_link_quality.elements[
415 			rtlpriv->stats.ui_link_quality.index++] =
416 						 pstats->signalquality;
417 		if (rtlpriv->stats.ui_link_quality.index >=
418 		    PHY_LINKQUALITY_SLID_WIN_MAX)
419 			rtlpriv->stats.ui_link_quality.index = 0;
420 		tmpval = rtlpriv->stats.ui_link_quality.total_val /
421 		    rtlpriv->stats.ui_link_quality.total_num;
422 		rtlpriv->stats.signal_quality = tmpval;
423 		rtlpriv->stats.last_sigstrength_inpercent = tmpval;
424 		rtl92d_loop_over_streams(hw, pstats);
425 	}
426 }
427 
428 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
429 				     u8 *buffer,
430 				     struct rtl_stats *pcurrent_stats)
431 {
432 
433 	if (!pcurrent_stats->packet_matchbssid &&
434 	    !pcurrent_stats->packet_beacon)
435 		return;
436 
437 	_rtl92de_process_ui_rssi(hw, pcurrent_stats);
438 	_rtl92de_process_pwdb(hw, pcurrent_stats);
439 	_rtl92de_process_ui_link_quality(hw, pcurrent_stats);
440 }
441 
442 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
443 					       struct sk_buff *skb,
444 					       struct rtl_stats *pstats,
445 					       struct rx_desc_92d *pdesc,
446 					       struct rx_fwinfo_92d *p_drvinfo)
447 {
448 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
449 	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
450 	struct ieee80211_hdr *hdr;
451 	u8 *tmp_buf;
452 	u8 *praddr;
453 	u16 type, cfc;
454 	__le16 fc;
455 	bool packet_matchbssid, packet_toself, packet_beacon = false;
456 
457 	tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
458 	hdr = (struct ieee80211_hdr *)tmp_buf;
459 	fc = hdr->frame_control;
460 	cfc = le16_to_cpu(fc);
461 	type = WLAN_FC_GET_TYPE(fc);
462 	praddr = hdr->addr1;
463 	packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
464 	     ether_addr_equal(mac->bssid,
465 			      (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
466 			      (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
467 			      hdr->addr3) &&
468 	     (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
469 	packet_toself = packet_matchbssid &&
470 			ether_addr_equal(praddr, rtlefuse->dev_addr);
471 	if (ieee80211_is_beacon(fc))
472 		packet_beacon = true;
473 	_rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
474 				   packet_matchbssid, packet_toself,
475 				   packet_beacon);
476 	_rtl92de_process_phyinfo(hw, tmp_buf, pstats);
477 }
478 
479 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,	struct rtl_stats *stats,
480 		struct ieee80211_rx_status *rx_status,
481 		u8 *p_desc, struct sk_buff *skb)
482 {
483 	struct rx_fwinfo_92d *p_drvinfo;
484 	struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc;
485 	u32 phystatus = GET_RX_DESC_PHYST(pdesc);
486 
487 	stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
488 	stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
489 				 RX_DRV_INFO_SIZE_UNIT;
490 	stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
491 	stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
492 	stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
493 	stats->hwerror = (stats->crc | stats->icv);
494 	stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
495 	stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
496 	stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
497 	stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
498 	stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
499 					 && (GET_RX_DESC_FAGGR(pdesc) == 1));
500 	stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
501 	stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
502 	stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
503 	rx_status->freq = hw->conf.chandef.chan->center_freq;
504 	rx_status->band = hw->conf.chandef.chan->band;
505 	if (GET_RX_DESC_CRC32(pdesc))
506 		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
507 	if (!GET_RX_DESC_SWDEC(pdesc))
508 		rx_status->flag |= RX_FLAG_DECRYPTED;
509 	if (GET_RX_DESC_BW(pdesc))
510 		rx_status->flag |= RX_FLAG_40MHZ;
511 	if (GET_RX_DESC_RXHT(pdesc))
512 		rx_status->flag |= RX_FLAG_HT;
513 	rx_status->flag |= RX_FLAG_MACTIME_START;
514 	if (stats->decrypted)
515 		rx_status->flag |= RX_FLAG_DECRYPTED;
516 	rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
517 						   false, stats->rate);
518 	rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
519 	if (phystatus) {
520 		p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
521 						     stats->rx_bufshift);
522 		_rtl92de_translate_rx_signal_stuff(hw,
523 						   skb, stats, pdesc,
524 						   p_drvinfo);
525 	}
526 	/*rx_status->qual = stats->signal; */
527 	rx_status->signal = stats->recvsignalpower + 10;
528 	return true;
529 }
530 
531 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
532 				      u8 *virtualaddress)
533 {
534 	memset(virtualaddress, 0, 8);
535 
536 	SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
537 	SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
538 	SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
539 	SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
540 	SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
541 	SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
542 	SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
543 }
544 
545 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
546 			  struct ieee80211_hdr *hdr, u8 *pdesc_tx,
547 			  u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
548 			  struct ieee80211_sta *sta,
549 			  struct sk_buff *skb,
550 			  u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
551 {
552 	struct rtl_priv *rtlpriv = rtl_priv(hw);
553 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
554 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
555 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
556 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
557 	u8 *pdesc = pdesc_tx;
558 	u16 seq_number;
559 	__le16 fc = hdr->frame_control;
560 	unsigned int buf_len = 0;
561 	unsigned int skb_len = skb->len;
562 	u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
563 	bool firstseg = ((hdr->seq_ctrl &
564 			cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
565 	bool lastseg = ((hdr->frame_control &
566 			cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
567 	dma_addr_t mapping;
568 	u8 bw_40 = 0;
569 
570 	if (mac->opmode == NL80211_IFTYPE_STATION) {
571 		bw_40 = mac->bw_40;
572 	} else if (mac->opmode == NL80211_IFTYPE_AP ||
573 		mac->opmode == NL80211_IFTYPE_ADHOC) {
574 		if (sta)
575 			bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
576 	}
577 	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
578 	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
579 	/* reserve 8 byte for AMPDU early mode */
580 	if (rtlhal->earlymode_enable) {
581 		skb_push(skb, EM_HDR_LEN);
582 		memset(skb->data, 0, EM_HDR_LEN);
583 	}
584 	buf_len = skb->len;
585 	mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
586 				 PCI_DMA_TODEVICE);
587 	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
588 		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
589 			 "DMA mapping error");
590 		return;
591 	}
592 	CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
593 	if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
594 		firstseg = true;
595 		lastseg = true;
596 	}
597 	if (firstseg) {
598 		if (rtlhal->earlymode_enable) {
599 			SET_TX_DESC_PKT_OFFSET(pdesc, 1);
600 			SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
601 					   EM_HDR_LEN);
602 			if (ptcb_desc->empkt_num) {
603 				RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
604 					 "Insert 8 byte.pTcb->EMPktNum:%d\n",
605 					 ptcb_desc->empkt_num);
606 				_rtl92de_insert_emcontent(ptcb_desc,
607 							  (u8 *)(skb->data));
608 			}
609 		} else {
610 			SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
611 		}
612 		/* 5G have no CCK rate */
613 		if (rtlhal->current_bandtype == BAND_ON_5G)
614 			if (ptcb_desc->hw_rate < DESC_RATE6M)
615 				ptcb_desc->hw_rate = DESC_RATE6M;
616 		SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
617 		if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
618 			SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
619 
620 		if (rtlhal->macphymode == DUALMAC_DUALPHY &&
621 			ptcb_desc->hw_rate == DESC_RATEMCS7)
622 			SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
623 
624 		if (info->flags & IEEE80211_TX_CTL_AMPDU) {
625 			SET_TX_DESC_AGG_ENABLE(pdesc, 1);
626 			SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
627 		}
628 		SET_TX_DESC_SEQ(pdesc, seq_number);
629 		SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
630 				       !ptcb_desc->cts_enable) ? 1 : 0));
631 		SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
632 					  || ptcb_desc->cts_enable) ? 1 : 0));
633 		SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
634 		SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
635 		/* 5G have no CCK rate */
636 		if (rtlhal->current_bandtype == BAND_ON_5G)
637 			if (ptcb_desc->rts_rate < DESC_RATE6M)
638 				ptcb_desc->rts_rate = DESC_RATE6M;
639 		SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
640 		SET_TX_DESC_RTS_BW(pdesc, 0);
641 		SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
642 		SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
643 			DESC_RATE54M) ?
644 			(ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
645 			(ptcb_desc->rts_use_shortgi ? 1 : 0)));
646 		if (bw_40) {
647 			if (ptcb_desc->packet_bw) {
648 				SET_TX_DESC_DATA_BW(pdesc, 1);
649 				SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
650 			} else {
651 				SET_TX_DESC_DATA_BW(pdesc, 0);
652 				SET_TX_DESC_TX_SUB_CARRIER(pdesc,
653 							mac->cur_40_prime_sc);
654 			}
655 		} else {
656 			SET_TX_DESC_DATA_BW(pdesc, 0);
657 			SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
658 		}
659 		SET_TX_DESC_LINIP(pdesc, 0);
660 		SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
661 		if (sta) {
662 			u8 ampdu_density = sta->ht_cap.ampdu_density;
663 			SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
664 		}
665 		if (info->control.hw_key) {
666 			struct ieee80211_key_conf *keyconf;
667 
668 			keyconf = info->control.hw_key;
669 			switch (keyconf->cipher) {
670 			case WLAN_CIPHER_SUITE_WEP40:
671 			case WLAN_CIPHER_SUITE_WEP104:
672 			case WLAN_CIPHER_SUITE_TKIP:
673 				SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
674 				break;
675 			case WLAN_CIPHER_SUITE_CCMP:
676 				SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
677 				break;
678 			default:
679 				SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
680 				break;
681 
682 			}
683 		}
684 		SET_TX_DESC_PKT_ID(pdesc, 0);
685 		SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
686 		SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
687 		SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
688 		SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
689 				       1 : 0);
690 		SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
691 
692 		/* Set TxRate and RTSRate in TxDesc  */
693 		/* This prevent Tx initial rate of new-coming packets */
694 		/* from being overwritten by retried  packet rate.*/
695 		if (!ptcb_desc->use_driver_rate) {
696 			SET_TX_DESC_RTS_RATE(pdesc, 0x08);
697 			/* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
698 		}
699 		if (ieee80211_is_data_qos(fc)) {
700 			if (mac->rdg_en) {
701 				RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
702 					 "Enable RDG function\n");
703 				SET_TX_DESC_RDG_ENABLE(pdesc, 1);
704 				SET_TX_DESC_HTC(pdesc, 1);
705 			}
706 		}
707 	}
708 
709 	SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
710 	SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
711 	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
712 	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
713 	if (rtlpriv->dm.useramask) {
714 		SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
715 		SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
716 	} else {
717 		SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
718 		SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
719 	}
720 	if (ieee80211_is_data_qos(fc))
721 		SET_TX_DESC_QOS(pdesc, 1);
722 
723 	if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
724 		SET_TX_DESC_HWSEQ_EN(pdesc, 1);
725 		SET_TX_DESC_PKT_ID(pdesc, 8);
726 	}
727 	SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
728 	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
729 }
730 
731 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
732 			     u8 *pdesc, bool firstseg,
733 			     bool lastseg, struct sk_buff *skb)
734 {
735 	struct rtl_priv *rtlpriv = rtl_priv(hw);
736 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
737 	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
738 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
739 	u8 fw_queue = QSLT_BEACON;
740 	dma_addr_t mapping = pci_map_single(rtlpci->pdev,
741 		    skb->data, skb->len, PCI_DMA_TODEVICE);
742 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
743 	__le16 fc = hdr->frame_control;
744 
745 	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
746 		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
747 			 "DMA mapping error");
748 		return;
749 	}
750 	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
751 	if (firstseg)
752 		SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
753 	/* 5G have no CCK rate
754 	 * Caution: The macros below are multi-line expansions.
755 	 * The braces are needed no matter what checkpatch says
756 	 */
757 	if (rtlhal->current_bandtype == BAND_ON_5G) {
758 		SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M);
759 	} else {
760 		SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
761 	}
762 	SET_TX_DESC_SEQ(pdesc, 0);
763 	SET_TX_DESC_LINIP(pdesc, 0);
764 	SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
765 	SET_TX_DESC_FIRST_SEG(pdesc, 1);
766 	SET_TX_DESC_LAST_SEG(pdesc, 1);
767 	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len);
768 	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
769 	SET_TX_DESC_RATE_ID(pdesc, 7);
770 	SET_TX_DESC_MACID(pdesc, 0);
771 	SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
772 	SET_TX_DESC_FIRST_SEG(pdesc, 1);
773 	SET_TX_DESC_LAST_SEG(pdesc, 1);
774 	SET_TX_DESC_OFFSET(pdesc, 0x20);
775 	SET_TX_DESC_USE_RATE(pdesc, 1);
776 
777 	if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
778 		SET_TX_DESC_HWSEQ_EN(pdesc, 1);
779 		SET_TX_DESC_PKT_ID(pdesc, 8);
780 	}
781 
782 	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
783 		      "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
784 	wmb();
785 	SET_TX_DESC_OWN(pdesc, 1);
786 }
787 
788 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
789 		      u8 desc_name, u8 *val)
790 {
791 	if (istx) {
792 		switch (desc_name) {
793 		case HW_DESC_OWN:
794 			wmb();
795 			SET_TX_DESC_OWN(pdesc, 1);
796 			break;
797 		case HW_DESC_TX_NEXTDESC_ADDR:
798 			SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
799 			break;
800 		default:
801 			RT_ASSERT(false, "ERR txdesc :%d not process\n",
802 				  desc_name);
803 			break;
804 		}
805 	} else {
806 		switch (desc_name) {
807 		case HW_DESC_RXOWN:
808 			wmb();
809 			SET_RX_DESC_OWN(pdesc, 1);
810 			break;
811 		case HW_DESC_RXBUFF_ADDR:
812 			SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
813 			break;
814 		case HW_DESC_RXPKT_LEN:
815 			SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
816 			break;
817 		case HW_DESC_RXERO:
818 			SET_RX_DESC_EOR(pdesc, 1);
819 			break;
820 		default:
821 			RT_ASSERT(false, "ERR rxdesc :%d not process\n",
822 				  desc_name);
823 			break;
824 		}
825 	}
826 }
827 
828 u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
829 {
830 	u32 ret = 0;
831 
832 	if (istx) {
833 		switch (desc_name) {
834 		case HW_DESC_OWN:
835 			ret = GET_TX_DESC_OWN(p_desc);
836 			break;
837 		case HW_DESC_TXBUFF_ADDR:
838 			ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
839 			break;
840 		default:
841 			RT_ASSERT(false, "ERR txdesc :%d not process\n",
842 				  desc_name);
843 			break;
844 		}
845 	} else {
846 		struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
847 		switch (desc_name) {
848 		case HW_DESC_OWN:
849 			ret = GET_RX_DESC_OWN(pdesc);
850 			break;
851 		case HW_DESC_RXPKT_LEN:
852 			ret = GET_RX_DESC_PKT_LEN(pdesc);
853 			break;
854 		default:
855 			RT_ASSERT(false, "ERR rxdesc :%d not process\n",
856 				  desc_name);
857 			break;
858 		}
859 	}
860 	return ret;
861 }
862 
863 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
864 {
865 	struct rtl_priv *rtlpriv = rtl_priv(hw);
866 	if (hw_queue == BEACON_QUEUE)
867 		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
868 	else
869 		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
870 			       BIT(0) << (hw_queue));
871 }
872