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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm...
[linux-2.6-block.git] / drivers / net / wireless / rtlwifi / rtl8192se / trx.c
CommitLineData
84f494ce
CL		 1/******************************************************************************
2 *
ca742cd9 3 * Copyright(c) 2009-2012 Realtek Corporation.
84f494ce
CL		 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 "fw.h"
37#include "trx.h"
38#include "led.h"
39
40static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue)
41{
42 __le16 fc = rtl_get_fc(skb);
43
44 if (unlikely(ieee80211_is_beacon(fc)))
45 return QSLT_BEACON;
46 if (ieee80211_is_mgmt(fc))
47 return QSLT_MGNT;
48 if (ieee80211_is_nullfunc(fc))
49 return QSLT_HIGH;
50
51 return skb->priority;
52}
53
84f494ce
CL		 54static u8 _rtl92s_query_rxpwrpercentage(char antpower)
55{
56 if ((antpower <= -100) || (antpower >= 20))
57 return 0;
58 else if (antpower >= 0)
59 return 100;
60 else
61 return 100 + antpower;
62}
63
64static u8 _rtl92s_evm_db_to_percentage(char value)
65{
66 char ret_val;
67 ret_val = value;
68
69 if (ret_val >= 0)
70 ret_val = 0;
71
72 if (ret_val <= -33)
73 ret_val = -33;
74
75 ret_val = 0 - ret_val;
76 ret_val *= 3;
77
78 if (ret_val == 99)
79 ret_val = 100;
80
81 return ret_val;
82}
83
84static long _rtl92se_translate_todbm(struct ieee80211_hw *hw,
85 u8 signal_strength_index)
86{
87 long signal_power;
88
89 signal_power = (long)((signal_strength_index + 1) >> 1);
90 signal_power -= 95;
91 return signal_power;
92}
93
94static long _rtl92se_signal_scale_mapping(struct ieee80211_hw *hw,
95 long currsig)
96{
97 long retsig = 0;
98
99 /* Step 1. Scale mapping. */
100 if (currsig > 47)
101 retsig = 100;
102 else if (currsig > 14 && currsig <= 47)
103 retsig = 100 - ((47 - currsig) * 3) / 2;
104 else if (currsig > 2 && currsig <= 14)
105 retsig = 48 - ((14 - currsig) * 15) / 7;
106 else if (currsig >= 0)
107 retsig = currsig * 9 + 1;
108
109 return retsig;
110}
111
112
113static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
114 struct rtl_stats *pstats, u8 *pdesc,
115 struct rx_fwinfo *p_drvinfo,
116 bool packet_match_bssid,
117 bool packet_toself,
118 bool packet_beacon)
119{
120 struct rtl_priv *rtlpriv = rtl_priv(hw);
121 struct phy_sts_cck_8192s_t *cck_buf;
122 s8 rx_pwr_all = 0, rx_pwr[4];
123 u8 rf_rx_num = 0, evm, pwdb_all;
124 u8 i, max_spatial_stream;
125 u32 rssi, total_rssi = 0;
126 bool in_powersavemode = false;
5c079d88 127 bool is_cck = pstats->is_cck;
84f494ce 128
84f494ce
CL		 129 pstats->packet_matchbssid = packet_match_bssid;
130 pstats->packet_toself = packet_toself;
84f494ce 131 pstats->packet_beacon = packet_beacon;
da17fcff
LF		 132 pstats->rx_mimo_sig_qual[0] = -1;
133 pstats->rx_mimo_sig_qual[1] = -1;
84f494ce 134
5c079d88 135 if (is_cck) {
84f494ce
CL		 136 u8 report, cck_highpwr;
137 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
138
139 if (!in_powersavemode)
140 cck_highpwr = (u8) rtl_get_bbreg(hw,
141 RFPGA0_XA_HSSIPARAMETER2,
142 0x200);
143 else
144 cck_highpwr = false;
145
146 if (!cck_highpwr) {
147 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
148 report = cck_buf->cck_agc_rpt & 0xc0;
149 report = report >> 6;
150 switch (report) {
151 case 0x3:
152 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
153 break;
154 case 0x2:
155 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
156 break;
157 case 0x1:
158 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
159 break;
160 case 0x0:
161 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
162 break;
163 }
164 } else {
165 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
166 report = p_drvinfo->cfosho[0] & 0x60;
167 report = report >> 5;
168 switch (report) {
169 case 0x3:
170 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
171 break;
172 case 0x2:
173 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
174 break;
175 case 0x1:
176 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
177 break;
178 case 0x0:
179 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
180 break;
181 }
182 }
183
184 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
185
186 /* CCK gain is smaller than OFDM/MCS gain, */
187 /* so we add gain diff by experiences, the val is 6 */
188 pwdb_all += 6;
189 if (pwdb_all > 100)
190 pwdb_all = 100;
191 /* modify the offset to make the same gain index with OFDM. */
192 if (pwdb_all > 34 && pwdb_all <= 42)
193 pwdb_all -= 2;
194 else if (pwdb_all > 26 && pwdb_all <= 34)
195 pwdb_all -= 6;
196 else if (pwdb_all > 14 && pwdb_all <= 26)
197 pwdb_all -= 8;
198 else if (pwdb_all > 4 && pwdb_all <= 14)
199 pwdb_all -= 4;
200
201 pstats->rx_pwdb_all = pwdb_all;
202 pstats->recvsignalpower = rx_pwr_all;
203
204 if (packet_match_bssid) {
205 u8 sq;
206 if (pstats->rx_pwdb_all > 40) {
207 sq = 100;
208 } else {
209 sq = cck_buf->sq_rpt;
210 if (sq > 64)
211 sq = 0;
212 else if (sq < 20)
213 sq = 100;
214 else
215 sq = ((64 - sq) * 100) / 44;
216 }
217
218 pstats->signalquality = sq;
da17fcff
LF		 219 pstats->rx_mimo_sig_qual[0] = sq;
220 pstats->rx_mimo_sig_qual[1] = -1;
84f494ce
CL		 221 }
222 } else {
223 rtlpriv->dm.rfpath_rxenable[0] =
224 rtlpriv->dm.rfpath_rxenable[1] = true;
225 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
226 if (rtlpriv->dm.rfpath_rxenable[i])
227 rf_rx_num++;
228
229 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
230 0x3f) * 2) - 110;
231 rssi = _rtl92s_query_rxpwrpercentage(rx_pwr[i]);
232 total_rssi += rssi;
233 rtlpriv->stats.rx_snr_db[i] =
234 (long)(p_drvinfo->rxsnr[i] / 2);
235
236 if (packet_match_bssid)
237 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
238 }
239
240 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
241 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
242 pstats->rx_pwdb_all = pwdb_all;
243 pstats->rxpower = rx_pwr_all;
244 pstats->recvsignalpower = rx_pwr_all;
245
5c079d88
CL		 246 if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
247 pstats->rate <= DESC92_RATEMCS15)
84f494ce
CL		 248 max_spatial_stream = 2;
249 else
250 max_spatial_stream = 1;
251
252 for (i = 0; i < max_spatial_stream; i++) {
253 evm = _rtl92s_evm_db_to_percentage(p_drvinfo->rxevm[i]);
254
255 if (packet_match_bssid) {
256 if (i == 0)
257 pstats->signalquality = (u8)(evm &
258 0xff);
da17fcff 259 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
84f494ce
CL		 260 }
261 }
262 }
263
5c079d88 264 if (is_cck)
84f494ce
CL		 265 pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
266 pwdb_all));
267 else if (rf_rx_num != 0)
268 pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw,
269 total_rssi /= rf_rx_num));
270}
271
272static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw,
273 struct rtl_stats *pstats)
274{
275 struct rtl_priv *rtlpriv = rtl_priv(hw);
276 struct rtl_phy *rtlphy = &(rtlpriv->phy);
277 u8 rfpath;
278 u32 last_rssi, tmpval;
279
280 if (pstats->packet_toself || pstats->packet_beacon) {
281 rtlpriv->stats.rssi_calculate_cnt++;
282
283 if (rtlpriv->stats.ui_rssi.total_num++ >=
284 PHY_RSSI_SLID_WIN_MAX) {
285 rtlpriv->stats.ui_rssi.total_num =
286 PHY_RSSI_SLID_WIN_MAX;
287 last_rssi = rtlpriv->stats.ui_rssi.elements[
288 rtlpriv->stats.ui_rssi.index];
289 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
290 }
291
292 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
293 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++]
294 = pstats->signalstrength;
295
296 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
297 rtlpriv->stats.ui_rssi.index = 0;
298
299 tmpval = rtlpriv->stats.ui_rssi.total_val /
300 rtlpriv->stats.ui_rssi.total_num;
301 rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw,
302 (u8) tmpval);
303 pstats->rssi = rtlpriv->stats.signal_strength;
304 }
305
306 if (!pstats->is_cck && pstats->packet_toself) {
307 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
308 rfpath++) {
309 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
310 rtlpriv->stats.rx_rssi_percentage[rfpath] =
311 pstats->rx_mimo_signalstrength[rfpath];
312
313 }
314
315 if (pstats->rx_mimo_signalstrength[rfpath] >
316 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
317 rtlpriv->stats.rx_rssi_percentage[rfpath] =
318 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
319 * (RX_SMOOTH_FACTOR - 1)) +
320 (pstats->rx_mimo_signalstrength[rfpath])) /
321 (RX_SMOOTH_FACTOR);
322
323 rtlpriv->stats.rx_rssi_percentage[rfpath] =
324 rtlpriv->stats.rx_rssi_percentage[rfpath]
325 + 1;
326 } else {
327 rtlpriv->stats.rx_rssi_percentage[rfpath] =
328 ((rtlpriv->stats.rx_rssi_percentage[rfpath]
329 * (RX_SMOOTH_FACTOR - 1)) +
330 (pstats->rx_mimo_signalstrength[rfpath])) /
331 (RX_SMOOTH_FACTOR);
332 }
333
334 }
335 }
336}
337
338static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw,
339 struct rtl_stats *pstats)
340{
341 struct rtl_priv *rtlpriv = rtl_priv(hw);
342 int weighting = 0;
343
344 if (rtlpriv->stats.recv_signal_power == 0)
345 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
346
347 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
348 weighting = 5;
349 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
350 weighting = (-5);
351
352 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5
353 + pstats->recvsignalpower +
354 weighting) / 6;
355}
356
357static void _rtl92se_process_pwdb(struct ieee80211_hw *hw,
358 struct rtl_stats *pstats)
359{
360 struct rtl_priv *rtlpriv = rtl_priv(hw);
361 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
362 long undec_sm_pwdb = 0;
363
364 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
365 return;
366 } else {
367 undec_sm_pwdb =
da17fcff 368 rtlpriv->dm.undec_sm_pwdb;
84f494ce
CL		 369 }
370
371 if (pstats->packet_toself || pstats->packet_beacon) {
372 if (undec_sm_pwdb < 0)
373 undec_sm_pwdb = pstats->rx_pwdb_all;
374
375 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
376 undec_sm_pwdb =
377 (((undec_sm_pwdb) *
378 (RX_SMOOTH_FACTOR - 1)) +
379 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
380
381 undec_sm_pwdb = undec_sm_pwdb + 1;
382 } else {
383 undec_sm_pwdb = (((undec_sm_pwdb) *
384 (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) /
385 (RX_SMOOTH_FACTOR);
386 }
387
da17fcff 388 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
84f494ce
CL		 389 _rtl92se_update_rxsignalstatistics(hw, pstats);
390 }
391}
392
393static void rtl_92s_process_streams(struct ieee80211_hw *hw,
394 struct rtl_stats *pstats)
395{
396 struct rtl_priv *rtlpriv = rtl_priv(hw);
397 u32 stream;
398
399 for (stream = 0; stream < 2; stream++) {
da17fcff 400 if (pstats->rx_mimo_sig_qual[stream] != -1) {
84f494ce
CL		 401 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
402 rtlpriv->stats.rx_evm_percentage[stream] =
da17fcff 403 pstats->rx_mimo_sig_qual[stream];
84f494ce
CL		 404 }
405
406 rtlpriv->stats.rx_evm_percentage[stream] =
407 ((rtlpriv->stats.rx_evm_percentage[stream] *
408 (RX_SMOOTH_FACTOR - 1)) +
da17fcff 409 (pstats->rx_mimo_sig_qual[stream] *
84f494ce
CL		 410 1)) / (RX_SMOOTH_FACTOR);
411 }
412 }
413}
414
415static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw,
416 struct rtl_stats *pstats)
417{
418 struct rtl_priv *rtlpriv = rtl_priv(hw);
419 u32 last_evm = 0, tmpval;
420
421 if (pstats->signalquality != 0) {
422 if (pstats->packet_toself || pstats->packet_beacon) {
423
424 if (rtlpriv->stats.ui_link_quality.total_num++ >=
425 PHY_LINKQUALITY_SLID_WIN_MAX) {
426 rtlpriv->stats.ui_link_quality.total_num =
427 PHY_LINKQUALITY_SLID_WIN_MAX;
428 last_evm =
429 rtlpriv->stats.ui_link_quality.elements[
430 rtlpriv->stats.ui_link_quality.index];
431 rtlpriv->stats.ui_link_quality.total_val -=
432 last_evm;
433 }
434
435 rtlpriv->stats.ui_link_quality.total_val +=
436 pstats->signalquality;
437 rtlpriv->stats.ui_link_quality.elements[
438 rtlpriv->stats.ui_link_quality.index++] =
439 pstats->signalquality;
440
441 if (rtlpriv->stats.ui_link_quality.index >=
442 PHY_LINKQUALITY_SLID_WIN_MAX)
443 rtlpriv->stats.ui_link_quality.index = 0;
444
445 tmpval = rtlpriv->stats.ui_link_quality.total_val /
446 rtlpriv->stats.ui_link_quality.total_num;
447 rtlpriv->stats.signal_quality = tmpval;
448
449 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
450
451 rtl_92s_process_streams(hw, pstats);
452
453 }
454 }
455}
456
457static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw,
458 u8 *buffer,
459 struct rtl_stats *pcurrent_stats)
460{
461
462 if (!pcurrent_stats->packet_matchbssid &&
463 !pcurrent_stats->packet_beacon)
464 return;
465
466 _rtl92se_process_ui_rssi(hw, pcurrent_stats);
467 _rtl92se_process_pwdb(hw, pcurrent_stats);
468 _rtl92se_process_ui_link_quality(hw, pcurrent_stats);
469}
470
471static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
472 struct sk_buff *skb, struct rtl_stats *pstats,
473 u8 *pdesc, struct rx_fwinfo *p_drvinfo)
474{
475 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
476 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
477
478 struct ieee80211_hdr *hdr;
479 u8 *tmp_buf;
480 u8 *praddr;
84f494ce
CL		 481 __le16 fc;
482 u16 type, cfc;
483 bool packet_matchbssid, packet_toself, packet_beacon;
484
485 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
486
487 hdr = (struct ieee80211_hdr *)tmp_buf;
488 fc = hdr->frame_control;
489 cfc = le16_to_cpu(fc);
490 type = WLAN_FC_GET_TYPE(fc);
491 praddr = hdr->addr1;
84f494ce
CL		 492
493 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
2e42e474
JP		 494 ether_addr_equal(mac->bssid,
495 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
496 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
497 hdr->addr3) &&
498 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
84f494ce
CL		 499
500 packet_toself = packet_matchbssid &&
2e42e474 501 ether_addr_equal(praddr, rtlefuse->dev_addr);
84f494ce
CL		 502
503 if (ieee80211_is_beacon(fc))
504 packet_beacon = true;
505
506 _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
507 packet_matchbssid, packet_toself, packet_beacon);
508 _rtl92se_process_phyinfo(hw, tmp_buf, pstats);
509}
510
511bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
512 struct ieee80211_rx_status *rx_status, u8 *pdesc,
513 struct sk_buff *skb)
514{
515 struct rx_fwinfo *p_drvinfo;
516 u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
5c079d88
CL		 517 struct ieee80211_hdr *hdr;
518 bool first_ampdu = false;
84f494ce
CL		 519
520 stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
521 stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
522 stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
523 stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
524 stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
525 stats->hwerror = (u16)(stats->crc | stats->icv);
526 stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
527
528 stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
529 stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
530 stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
5c079d88
CL		 531 stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
532 && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
84f494ce
CL		 533 stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
534 stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
5c079d88
CL		 535 stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
536 stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
84f494ce
CL		 537
538 if (stats->hwerror)
539 return false;
540
541 rx_status->freq = hw->conf.channel->center_freq;
542 rx_status->band = hw->conf.channel->band;
543
5c079d88
CL		 544 hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
545 + stats->rx_bufshift);
84f494ce 546
5c079d88
CL		 547 if (stats->crc)
548 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
84f494ce 549
5c079d88 550 if (stats->rx_is40Mhzpacket)
84f494ce
CL		 551 rx_status->flag |= RX_FLAG_40MHZ;
552
5c079d88 553 if (stats->is_ht)
84f494ce
CL		 554 rx_status->flag |= RX_FLAG_HT;
555
f4bda337 556 rx_status->flag |= RX_FLAG_MACTIME_START;
84f494ce 557
5c079d88
CL		 558 /* hw will set stats->decrypted true, if it finds the
559 * frame is open data frame or mgmt frame,
560 * hw will not decrypt robust managment frame
561 * for IEEE80211w but still set stats->decrypted
562 * true, so here we should set it back to undecrypted
563 * for IEEE80211w frame, and mac80211 sw will help
564 * to decrypt it */
565 if (stats->decrypted) {
566 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
567 (ieee80211_has_protected(hdr->frame_control)))
568 rx_status->flag &= ~RX_FLAG_DECRYPTED;
569 else
570 rx_status->flag |= RX_FLAG_DECRYPTED;
571 }
84f494ce 572
8e353377 573 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
5c079d88 574 stats->is_ht, stats->rate, first_ampdu);
84f494ce 575
5c079d88 576 rx_status->mactime = stats->timestamp_low;
e10542c4 577 if (phystatus) {
84f494ce
CL		 578 p_drvinfo = (struct rx_fwinfo *)(skb->data +
579 stats->rx_bufshift);
580 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
581 p_drvinfo);
582 }
583
584 /*rx_status->qual = stats->signal; */
585 rx_status->signal = stats->rssi + 10;
586 /*rx_status->noise = -stats->noise; */
587
588 return true;
589}
590
591void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
592 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
36323f81
TH		 593 struct ieee80211_tx_info *info,
594 struct ieee80211_sta *sta,
595 struct sk_buff *skb,
84f494ce
CL		 596 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
597{
598 struct rtl_priv *rtlpriv = rtl_priv(hw);
599 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
600 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
601 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2c208890 602 u8 *pdesc = pdesc_tx;
84f494ce
CL		 603 u16 seq_number;
604 __le16 fc = hdr->frame_control;
605 u8 reserved_macid = 0;
606 u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
607 bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
608 bool lastseg = (!(hdr->frame_control &
609 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
610 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
611 PCI_DMA_TODEVICE);
612 u8 bw_40 = 0;
613
614 if (mac->opmode == NL80211_IFTYPE_STATION) {
615 bw_40 = mac->bw_40;
616 } else if (mac->opmode == NL80211_IFTYPE_AP ||
617 mac->opmode == NL80211_IFTYPE_ADHOC) {
618 if (sta)
619 bw_40 = sta->ht_cap.cap &
620 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
621 }
622
623 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
624
625 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
626
627 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
628
629 if (firstseg) {
630 if (rtlpriv->dm.useramask) {
631 /* set txdesc macId */
632 if (ptcb_desc->mac_id < 32) {
633 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
634 reserved_macid |= ptcb_desc->mac_id;
635 }
636 }
637 SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
638
639 SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
8e353377 640 DESC92_RATEMCS0) ? 1 : 0));
84f494ce
CL		 641
642 if (rtlhal->version == VERSION_8192S_ACUT) {
8e353377
LF		 643 if (ptcb_desc->hw_rate == DESC92_RATE1M ||
644 ptcb_desc->hw_rate == DESC92_RATE2M ||
645 ptcb_desc->hw_rate == DESC92_RATE5_5M ||
646 ptcb_desc->hw_rate == DESC92_RATE11M) {
647 ptcb_desc->hw_rate = DESC92_RATE12M;
84f494ce
CL		 648 }
649 }
650
651 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
652
653 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
654 SET_TX_DESC_TX_SHORT(pdesc, 0);
655
656 /* Aggregation related */
657 if (info->flags & IEEE80211_TX_CTL_AMPDU)
658 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
659
660 /* For AMPDU, we must insert SSN into TX_DESC */
661 SET_TX_DESC_SEQ(pdesc, seq_number);
662
663 /* Protection mode related */
664 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
665 /* We choose only one protection mode to execute */
666 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
667 !ptcb_desc->cts_enable) ? 1 : 0));
668 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
669 1 : 0));
670 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
671
672 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
673 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
674 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
675 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
8e353377 676 DESC92_RATE54M) ?
84f494ce
CL		 677 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
678 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
679
680
681 /* Set Bandwidth and sub-channel settings. */
682 if (bw_40) {
683 if (ptcb_desc->packet_bw) {
684 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
685 /* use duplicated mode */
686 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
687 } else {
688 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
689 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
690 mac->cur_40_prime_sc);
691 }
692 } else {
693 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
694 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
695 }
696
697 /* 3 Fill necessary field in First Descriptor */
698 /*DWORD 0*/
699 SET_TX_DESC_LINIP(pdesc, 0);
700 SET_TX_DESC_OFFSET(pdesc, 32);
701 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
702
703 /*DWORD 1*/
704 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
705
706 /* Fill security related */
707 if (info->control.hw_key) {
708 struct ieee80211_key_conf *keyconf;
709
710 keyconf = info->control.hw_key;
711 switch (keyconf->cipher) {
712 case WLAN_CIPHER_SUITE_WEP40:
713 case WLAN_CIPHER_SUITE_WEP104:
714 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
715 break;
716 case WLAN_CIPHER_SUITE_TKIP:
717 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
718 break;
719 case WLAN_CIPHER_SUITE_CCMP:
720 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
721 break;
722 default:
723 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
724 break;
725
726 }
727 }
728
729 /* Set Packet ID */
730 SET_TX_DESC_PACKET_ID(pdesc, 0);
731
732 /* We will assign magement queue to BK. */
733 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
734
735 /* Alwasy enable all rate fallback range */
736 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
737
738 /* Fix: I don't kown why hw use 6.5M to tx when set it */
739 SET_TX_DESC_USER_RATE(pdesc,
740 ptcb_desc->use_driver_rate ? 1 : 0);
741
742 /* Set NON_QOS bit. */
743 if (!ieee80211_is_data_qos(fc))
744 SET_TX_DESC_NON_QOS(pdesc, 1);
745
746 }
747
748 /* Fill fields that are required to be initialized
749 * in all of the descriptors */
750 /*DWORD 0 */
751 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
752 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
753
754 /* DWORD 7 */
755 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
756
757 /* DOWRD 8 */
8e2c406a 758 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
84f494ce 759
f30d7507 760 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
84f494ce
CL		 761}
762
763void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
764 bool firstseg, bool lastseg, struct sk_buff *skb)
765{
766 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
767 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
768 struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
769
770 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
771 PCI_DMA_TODEVICE);
772
773 /* Clear all status */
774 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
775
776 /* This bit indicate this packet is used for FW download. */
777 if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
778 /* For firmware downlaod we only need to set LINIP */
779 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
780
781 /* 92SE must set as 1 for firmware download HW DMA error */
782 SET_TX_DESC_FIRST_SEG(pdesc, 1);
783 SET_TX_DESC_LAST_SEG(pdesc, 1);
784
785 /* 92SE need not to set TX packet size when firmware download */
786 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
787 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
8e2c406a 788 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
84f494ce 789
5111dd3e 790 wmb();
84f494ce
CL		 791 SET_TX_DESC_OWN(pdesc, 1);
792 } else { /* H2C Command Desc format (Host TXCMD) */
793 /* 92SE must set as 1 for firmware download HW DMA error */
794 SET_TX_DESC_FIRST_SEG(pdesc, 1);
795 SET_TX_DESC_LAST_SEG(pdesc, 1);
796
797 SET_TX_DESC_OFFSET(pdesc, 0x20);
798
799 /* Buffer size + command header */
800 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
801 /* Fixed queue of H2C command */
802 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
803
804 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
805
806 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
8e2c406a 807 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
84f494ce 808
5111dd3e 809 wmb();
84f494ce
CL		 810 SET_TX_DESC_OWN(pdesc, 1);
811
812 }
813}
814
815void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
816{
e10542c4 817 if (istx) {
84f494ce
CL		 818 switch (desc_name) {
819 case HW_DESC_OWN:
5111dd3e 820 wmb();
84f494ce
CL		 821 SET_TX_DESC_OWN(pdesc, 1);
822 break;
823 case HW_DESC_TX_NEXTDESC_ADDR:
824 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
825 break;
826 default:
9d833ed7
JP		 827 RT_ASSERT(false, "ERR txdesc :%d not process\n",
828 desc_name);
84f494ce
CL		 829 break;
830 }
831 } else {
832 switch (desc_name) {
833 case HW_DESC_RXOWN:
5111dd3e 834 wmb();
84f494ce
CL		 835 SET_RX_STATUS_DESC_OWN(pdesc, 1);
836 break;
837 case HW_DESC_RXBUFF_ADDR:
838 SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
839 break;
840 case HW_DESC_RXPKT_LEN:
841 SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
842 break;
843 case HW_DESC_RXERO:
844 SET_RX_STATUS_DESC_EOR(pdesc, 1);
845 break;
846 default:
9d833ed7
JP		 847 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
848 desc_name);
84f494ce
CL		 849 break;
850 }
851 }
852}
853
854u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
855{
856 u32 ret = 0;
857
e10542c4 858 if (istx) {
84f494ce
CL		 859 switch (desc_name) {
860 case HW_DESC_OWN:
861 ret = GET_TX_DESC_OWN(desc);
862 break;
863 case HW_DESC_TXBUFF_ADDR:
864 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
865 break;
866 default:
9d833ed7
JP		 867 RT_ASSERT(false, "ERR txdesc :%d not process\n",
868 desc_name);
84f494ce
CL		 869 break;
870 }
871 } else {
872 switch (desc_name) {
873 case HW_DESC_OWN:
874 ret = GET_RX_STATUS_DESC_OWN(desc);
875 break;
876 case HW_DESC_RXPKT_LEN:
877 ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
878 break;
879 default:
9d833ed7
JP		 880 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
881 desc_name);
84f494ce
CL		 882 break;
883 }
884 }
885 return ret;
886}
887
888void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
889{
890 struct rtl_priv *rtlpriv = rtl_priv(hw);
891 rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
892}
Linux 6.x block layer and io_uring tree(s)