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cris: add arch/cris/include/asm/serial.h
[linux-2.6/next.git] / drivers / net / wireless / rtlwifi / rtl8192de / trx.c
blobdc86fcb0b3a3fb90895629405e7e9d89454c1038
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 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 int _rtl92de_rate_mapping(bool isht, u8 desc_rate)
52 {
53 int rate_idx;
54
55 if (false == isht) {
56 switch (desc_rate) {
57 case DESC92D_RATE1M:
58 rate_idx = 0;
59 break;
60 case DESC92D_RATE2M:
61 rate_idx = 1;
62 break;
63 case DESC92D_RATE5_5M:
64 rate_idx = 2;
65 break;
66 case DESC92D_RATE11M:
67 rate_idx = 3;
68 break;
69 case DESC92D_RATE6M:
70 rate_idx = 4;
71 break;
72 case DESC92D_RATE9M:
73 rate_idx = 5;
74 break;
75 case DESC92D_RATE12M:
76 rate_idx = 6;
77 break;
78 case DESC92D_RATE18M:
79 rate_idx = 7;
80 break;
81 case DESC92D_RATE24M:
82 rate_idx = 8;
83 break;
84 case DESC92D_RATE36M:
85 rate_idx = 9;
86 break;
87 case DESC92D_RATE48M:
88 rate_idx = 10;
89 break;
90 case DESC92D_RATE54M:
91 rate_idx = 11;
92 break;
93 default:
94 rate_idx = 0;
95 break;
96 }
97 return rate_idx;
98 } else {
99 switch (desc_rate) {
100 case DESC92D_RATE1M:
101 rate_idx = 0;
102 break;
103 case DESC92D_RATE2M:
104 rate_idx = 1;
105 break;
106 case DESC92D_RATE5_5M:
107 rate_idx = 2;
108 break;
109 case DESC92D_RATE11M:
110 rate_idx = 3;
111 break;
112 case DESC92D_RATE6M:
113 rate_idx = 4;
114 break;
115 case DESC92D_RATE9M:
116 rate_idx = 5;
117 break;
118 case DESC92D_RATE12M:
119 rate_idx = 6;
120 break;
121 case DESC92D_RATE18M:
122 rate_idx = 7;
123 break;
124 case DESC92D_RATE24M:
125 rate_idx = 8;
126 break;
127 case DESC92D_RATE36M:
128 rate_idx = 9;
129 break;
130 case DESC92D_RATE48M:
131 rate_idx = 10;
132 break;
133 case DESC92D_RATE54M:
134 rate_idx = 11;
135 break;
136 default:
137 rate_idx = 11;
138 break;
139 }
140 return rate_idx;
141 }
142 }
143
144 static u8 _rtl92d_query_rxpwrpercentage(char antpower)
145 {
146 if ((antpower <= -100) || (antpower >= 20))
147 return 0;
148 else if (antpower >= 0)
149 return 100;
150 else
151 return 100 + antpower;
152 }
153
154 static u8 _rtl92d_evm_db_to_percentage(char value)
155 {
156 char ret_val = value;
157
158 if (ret_val >= 0)
159 ret_val = 0;
160 if (ret_val <= -33)
161 ret_val = -33;
162 ret_val = 0 - ret_val;
163 ret_val *= 3;
164 if (ret_val == 99)
165 ret_val = 100;
166 return ret_val;
167 }
168
169 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw,
170 u8 signal_strength_index)
171 {
172 long signal_power;
173
174 signal_power = (long)((signal_strength_index + 1) >> 1);
175 signal_power -= 95;
176 return signal_power;
177 }
178
179 static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig)
180 {
181 long retsig;
182
183 if (currsig >= 61 && currsig <= 100)
184 retsig = 90 + ((currsig - 60) / 4);
185 else if (currsig >= 41 && currsig <= 60)
186 retsig = 78 + ((currsig - 40) / 2);
187 else if (currsig >= 31 && currsig <= 40)
188 retsig = 66 + (currsig - 30);
189 else if (currsig >= 21 && currsig <= 30)
190 retsig = 54 + (currsig - 20);
191 else if (currsig >= 5 && currsig <= 20)
192 retsig = 42 + (((currsig - 5) * 2) / 3);
193 else if (currsig == 4)
194 retsig = 36;
195 else if (currsig == 3)
196 retsig = 27;
197 else if (currsig == 2)
198 retsig = 18;
199 else if (currsig == 1)
200 retsig = 9;
201 else
202 retsig = currsig;
203 return retsig;
204 }
205
206 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
207 struct rtl_stats *pstats,
208 struct rx_desc_92d *pdesc,
209 struct rx_fwinfo_92d *p_drvinfo,
210 bool packet_match_bssid,
211 bool packet_toself,
212 bool packet_beacon)
213 {
214 struct rtl_priv *rtlpriv = rtl_priv(hw);
215 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
216 struct phy_sts_cck_8192d *cck_buf;
217 s8 rx_pwr_all, rx_pwr[4];
218 u8 rf_rx_num = 0, evm, pwdb_all;
219 u8 i, max_spatial_stream;
220 u32 rssi, total_rssi = 0;
221 bool is_cck_rate;
222
223 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
224 pstats->packet_matchbssid = packet_match_bssid;
225 pstats->packet_toself = packet_toself;
226 pstats->packet_beacon = packet_beacon;
227 pstats->is_cck = is_cck_rate;
228 pstats->rx_mimo_signalquality[0] = -1;
229 pstats->rx_mimo_signalquality[1] = -1;
230
231 if (is_cck_rate) {
232 u8 report, cck_highpwr;
233 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
234 if (ppsc->rfpwr_state == ERFON)
235 cck_highpwr = (u8) rtl_get_bbreg(hw,
236 RFPGA0_XA_HSSIPARAMETER2,
237 BIT(9));
238 else
239 cck_highpwr = false;
240 if (!cck_highpwr) {
241 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
242 report = cck_buf->cck_agc_rpt & 0xc0;
243 report = report >> 6;
244 switch (report) {
245 case 0x3:
246 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
247 break;
248 case 0x2:
249 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
250 break;
251 case 0x1:
252 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
253 break;
254 case 0x0:
255 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
256 break;
257 }
258 } else {
259 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
260 report = p_drvinfo->cfosho[0] & 0x60;
261 report = report >> 5;
262 switch (report) {
263 case 0x3:
264 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
265 break;
266 case 0x2:
267 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
268 break;
269 case 0x1:
270 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
271 break;
272 case 0x0:
273 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
274 break;
275 }
276 }
277 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
278 /* CCK gain is smaller than OFDM/MCS gain, */
279 /* so we add gain diff by experiences, the val is 6 */
280 pwdb_all += 6;
281 if (pwdb_all > 100)
282 pwdb_all = 100;
283 /* modify the offset to make the same gain index with OFDM. */
284 if (pwdb_all > 34 && pwdb_all <= 42)
285 pwdb_all -= 2;
286 else if (pwdb_all > 26 && pwdb_all <= 34)
287 pwdb_all -= 6;
288 else if (pwdb_all > 14 && pwdb_all <= 26)
289 pwdb_all -= 8;
290 else if (pwdb_all > 4 && pwdb_all <= 14)
291 pwdb_all -= 4;
292 pstats->rx_pwdb_all = pwdb_all;
293 pstats->recvsignalpower = rx_pwr_all;
294 if (packet_match_bssid) {
295 u8 sq;
296 if (pstats->rx_pwdb_all > 40) {
297 sq = 100;
298 } else {
299 sq = cck_buf->sq_rpt;
300 if (sq > 64)
301 sq = 0;
302 else if (sq < 20)
303 sq = 100;
304 else
305 sq = ((64 - sq) * 100) / 44;
306 }
307 pstats->signalquality = sq;
308 pstats->rx_mimo_signalquality[0] = sq;
309 pstats->rx_mimo_signalquality[1] = -1;
310 }
311 } else {
312 rtlpriv->dm.rfpath_rxenable[0] = true;
313 rtlpriv->dm.rfpath_rxenable[1] = true;
314 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
315 if (rtlpriv->dm.rfpath_rxenable[i])
316 rf_rx_num++;
317 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
318 - 110;
319 rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]);
320 total_rssi += rssi;
321 rtlpriv->stats.rx_snr_db[i] =
322 (long)(p_drvinfo->rxsnr[i] / 2);
323 if (packet_match_bssid)
324 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
325 }
326 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106;
327 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
328 pstats->rx_pwdb_all = pwdb_all;
329 pstats->rxpower = rx_pwr_all;
330 pstats->recvsignalpower = rx_pwr_all;
331 if (pdesc->rxht && pdesc->rxmcs >= DESC92D_RATEMCS8 &&
332 pdesc->rxmcs <= DESC92D_RATEMCS15)
333 max_spatial_stream = 2;
334 else
335 max_spatial_stream = 1;
336 for (i = 0; i < max_spatial_stream; i++) {
337 evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]);
338 if (packet_match_bssid) {
339 if (i == 0)
340 pstats->signalquality =
341 (u8)(evm & 0xff);
342 pstats->rx_mimo_signalquality[i] =
343 (u8)(evm & 0xff);
344 }
345 }
346 }
347 if (is_cck_rate)
348 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
349 pwdb_all));
350 else if (rf_rx_num != 0)
351 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
352 total_rssi /= rf_rx_num));
353 }
354
355 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
356 struct rtl_stats *pstats)
357 {
358 struct rtl_priv *rtlpriv = rtl_priv(hw);
359 struct rtl_phy *rtlphy = &(rtlpriv->phy);
360 u8 rfpath;
361
362 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
363 rfpath++) {
364 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
365 rtlpriv->stats.rx_rssi_percentage[rfpath] =
366 pstats->rx_mimo_signalstrength[rfpath];
367
368 }
369 if (pstats->rx_mimo_signalstrength[rfpath] >
370 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
371 rtlpriv->stats.rx_rssi_percentage[rfpath] =
372 ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
373 (RX_SMOOTH_FACTOR - 1)) +
374 (pstats->rx_mimo_signalstrength[rfpath])) /
375 (RX_SMOOTH_FACTOR);
376 rtlpriv->stats.rx_rssi_percentage[rfpath] =
377 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1;
378 } else {
379 rtlpriv->stats.rx_rssi_percentage[rfpath] =
380 ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
381 (RX_SMOOTH_FACTOR - 1)) +
382 (pstats->rx_mimo_signalstrength[rfpath])) /
383 (RX_SMOOTH_FACTOR);
384 }
385 }
386 }
387
388 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
389 struct rtl_stats *pstats)
390 {
391 struct rtl_priv *rtlpriv = rtl_priv(hw);
392 u32 last_rssi, tmpval;
393
394 if (pstats->packet_toself || pstats->packet_beacon) {
395 rtlpriv->stats.rssi_calculate_cnt++;
396 if (rtlpriv->stats.ui_rssi.total_num++ >=
397 PHY_RSSI_SLID_WIN_MAX) {
398 rtlpriv->stats.ui_rssi.total_num =
399 PHY_RSSI_SLID_WIN_MAX;
400 last_rssi = rtlpriv->stats.ui_rssi.elements[
401 rtlpriv->stats.ui_rssi.index];
402 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
403 }
404 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
405 rtlpriv->stats.ui_rssi.elements
406 [rtlpriv->stats.ui_rssi.index++] =
407 pstats->signalstrength;
408 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
409 rtlpriv->stats.ui_rssi.index = 0;
410 tmpval = rtlpriv->stats.ui_rssi.total_val /
411 rtlpriv->stats.ui_rssi.total_num;
412 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw,
413 (u8) tmpval);
414 pstats->rssi = rtlpriv->stats.signal_strength;
415 }
416 if (!pstats->is_cck && pstats->packet_toself)
417 rtl92d_loop_over_paths(hw, pstats);
418 }
419
420 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw,
421 struct rtl_stats *pstats)
422 {
423 struct rtl_priv *rtlpriv = rtl_priv(hw);
424 int weighting = 0;
425
426 if (rtlpriv->stats.recv_signal_power == 0)
427 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
428 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
429 weighting = 5;
430 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
431 weighting = (-5);
432 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power *
433 5 + pstats->recvsignalpower + weighting) / 6;
434 }
435
436 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw,
437 struct rtl_stats *pstats)
438 {
439 struct rtl_priv *rtlpriv = rtl_priv(hw);
440 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
441 long undecorated_smoothed_pwdb;
442
443 if (mac->opmode == NL80211_IFTYPE_ADHOC ||
444 mac->opmode == NL80211_IFTYPE_AP)
445 return;
446 else
447 undecorated_smoothed_pwdb =
448 rtlpriv->dm.undecorated_smoothed_pwdb;
449
450 if (pstats->packet_toself || pstats->packet_beacon) {
451 if (undecorated_smoothed_pwdb < 0)
452 undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
453 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
454 undecorated_smoothed_pwdb =
455 (((undecorated_smoothed_pwdb) *
456 (RX_SMOOTH_FACTOR - 1)) +
457 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
458 undecorated_smoothed_pwdb =
459 undecorated_smoothed_pwdb + 1;
460 } else {
461 undecorated_smoothed_pwdb =
462 (((undecorated_smoothed_pwdb) *
463 (RX_SMOOTH_FACTOR - 1)) +
464 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
465 }
466 rtlpriv->dm.undecorated_smoothed_pwdb =
467 undecorated_smoothed_pwdb;
468 _rtl92de_update_rxsignalstatistics(hw, pstats);
469 }
470 }
471
472 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
473 struct rtl_stats *pstats)
474 {
475 struct rtl_priv *rtlpriv = rtl_priv(hw);
476 int stream;
477
478 for (stream = 0; stream < 2; stream++) {
479 if (pstats->rx_mimo_signalquality[stream] != -1) {
480 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
481 rtlpriv->stats.rx_evm_percentage[stream] =
482 pstats->rx_mimo_signalquality[stream];
483 }
484 rtlpriv->stats.rx_evm_percentage[stream] =
485 ((rtlpriv->stats.rx_evm_percentage[stream]
486 * (RX_SMOOTH_FACTOR - 1)) +
487 (pstats->rx_mimo_signalquality[stream] * 1)) /
488 (RX_SMOOTH_FACTOR);
489 }
490 }
491 }
492
493 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
494 struct rtl_stats *pstats)
495 {
496 struct rtl_priv *rtlpriv = rtl_priv(hw);
497 u32 last_evm, tmpval;
498
499 if (pstats->signalquality == 0)
500 return;
501 if (pstats->packet_toself || pstats->packet_beacon) {
502 if (rtlpriv->stats.ui_link_quality.total_num++ >=
503 PHY_LINKQUALITY_SLID_WIN_MAX) {
504 rtlpriv->stats.ui_link_quality.total_num =
505 PHY_LINKQUALITY_SLID_WIN_MAX;
506 last_evm = rtlpriv->stats.ui_link_quality.elements[
507 rtlpriv->stats.ui_link_quality.index];
508 rtlpriv->stats.ui_link_quality.total_val -= last_evm;
509 }
510 rtlpriv->stats.ui_link_quality.total_val +=
511 pstats->signalquality;
512 rtlpriv->stats.ui_link_quality.elements[
513 rtlpriv->stats.ui_link_quality.index++] =
514 pstats->signalquality;
515 if (rtlpriv->stats.ui_link_quality.index >=
516 PHY_LINKQUALITY_SLID_WIN_MAX)
517 rtlpriv->stats.ui_link_quality.index = 0;
518 tmpval = rtlpriv->stats.ui_link_quality.total_val /
519 rtlpriv->stats.ui_link_quality.total_num;
520 rtlpriv->stats.signal_quality = tmpval;
521 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
522 rtl92d_loop_over_streams(hw, pstats);
523 }
524 }
525
526 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
527 u8 *buffer,
528 struct rtl_stats *pcurrent_stats)
529 {
530
531 if (!pcurrent_stats->packet_matchbssid &&
532 !pcurrent_stats->packet_beacon)
533 return;
534
535 _rtl92de_process_ui_rssi(hw, pcurrent_stats);
536 _rtl92de_process_pwdb(hw, pcurrent_stats);
537 _rtl92de_process_ui_link_quality(hw, pcurrent_stats);
538 }
539
540 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
541 struct sk_buff *skb,
542 struct rtl_stats *pstats,
543 struct rx_desc_92d *pdesc,
544 struct rx_fwinfo_92d *p_drvinfo)
545 {
546 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
547 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
548 struct ieee80211_hdr *hdr;
549 u8 *tmp_buf;
550 u8 *praddr;
551 u16 type, cfc;
552 __le16 fc;
553 bool packet_matchbssid, packet_toself, packet_beacon;
554
555 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
556 hdr = (struct ieee80211_hdr *)tmp_buf;
557 fc = hdr->frame_control;
558 cfc = le16_to_cpu(fc);
559 type = WLAN_FC_GET_TYPE(fc);
560 praddr = hdr->addr1;
561 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
562 (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ?
563 hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ?
564 hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) &&
565 (!pstats->crc) && (!pstats->icv));
566 packet_toself = packet_matchbssid &&
567 (!compare_ether_addr(praddr, rtlefuse->dev_addr));
568 if (ieee80211_is_beacon(fc))
569 packet_beacon = true;
570 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
571 packet_matchbssid, packet_toself,
572 packet_beacon);
573 _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
574 }
575
576 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
577 struct ieee80211_rx_status *rx_status,
578 u8 *p_desc, struct sk_buff *skb)
579 {
580 struct rx_fwinfo_92d *p_drvinfo;
581 struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc;
582 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
583
584 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
585 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
586 RX_DRV_INFO_SIZE_UNIT;
587 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
588 stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
589 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
590 stats->hwerror = (stats->crc | stats->icv);
591 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
592 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
593 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
594 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
595 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
596 && (GET_RX_DESC_FAGGR(pdesc) == 1));
597 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
598 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
599 rx_status->freq = hw->conf.channel->center_freq;
600 rx_status->band = hw->conf.channel->band;
601 if (GET_RX_DESC_CRC32(pdesc))
602 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
603 if (!GET_RX_DESC_SWDEC(pdesc))
604 rx_status->flag |= RX_FLAG_DECRYPTED;
605 if (GET_RX_DESC_BW(pdesc))
606 rx_status->flag |= RX_FLAG_40MHZ;
607 if (GET_RX_DESC_RXHT(pdesc))
608 rx_status->flag |= RX_FLAG_HT;
609 rx_status->flag |= RX_FLAG_MACTIME_MPDU;
610 if (stats->decrypted)
611 rx_status->flag |= RX_FLAG_DECRYPTED;
612 rx_status->rate_idx = _rtl92de_rate_mapping((bool)
613 GET_RX_DESC_RXHT(pdesc),
614 (u8)
615 GET_RX_DESC_RXMCS(pdesc));
616 rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
617 if (phystatus) {
618 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
619 stats->rx_bufshift);
620 _rtl92de_translate_rx_signal_stuff(hw,
621 skb, stats, pdesc,
622 p_drvinfo);
623 }
624 /*rx_status->qual = stats->signal; */
625 rx_status->signal = stats->rssi + 10;
626 /*rx_status->noise = -stats->noise; */
627 return true;
628 }
629
630 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
631 u8 *virtualaddress)
632 {
633 memset(virtualaddress, 0, 8);
634
635 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
636 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
637 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
638 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
639 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
640 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
641 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
642 }
643
644 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
645 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
646 struct ieee80211_tx_info *info, struct sk_buff *skb,
647 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
648 {
649 struct rtl_priv *rtlpriv = rtl_priv(hw);
650 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
651 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
652 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
653 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
654 struct ieee80211_sta *sta = info->control.sta;
655 u8 *pdesc = (u8 *) pdesc_tx;
656 u16 seq_number;
657 __le16 fc = hdr->frame_control;
658 unsigned int buf_len = 0;
659 unsigned int skb_len = skb->len;
660 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
661 bool firstseg = ((hdr->seq_ctrl &
662 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
663 bool lastseg = ((hdr->frame_control &
664 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
665 dma_addr_t mapping;
666 u8 bw_40 = 0;
667
668 if (mac->opmode == NL80211_IFTYPE_STATION) {
669 bw_40 = mac->bw_40;
670 } else if (mac->opmode == NL80211_IFTYPE_AP ||
671 mac->opmode == NL80211_IFTYPE_ADHOC) {
672 if (sta)
673 bw_40 = sta->ht_cap.cap &
674 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
675 }
676 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
677 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
678 /* reserve 8 byte for AMPDU early mode */
679 if (rtlhal->earlymode_enable) {
680 skb_push(skb, EM_HDR_LEN);
681 memset(skb->data, 0, EM_HDR_LEN);
682 }
683 buf_len = skb->len;
684 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
685 PCI_DMA_TODEVICE);
686 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
687 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
688 firstseg = true;
689 lastseg = true;
690 }
691 if (firstseg) {
692 if (rtlhal->earlymode_enable) {
693 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
694 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
695 EM_HDR_LEN);
696 if (ptcb_desc->empkt_num) {
697 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
698 ("Insert 8 byte.pTcb->EMPktNum:%d\n",
699 ptcb_desc->empkt_num));
700 _rtl92de_insert_emcontent(ptcb_desc,
701 (u8 *)(skb->data));
702 }
703 } else {
704 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
705 }
706 /* 5G have no CCK rate */
707 if (rtlhal->current_bandtype == BAND_ON_5G)
708 if (ptcb_desc->hw_rate < DESC92D_RATE6M)
709 ptcb_desc->hw_rate = DESC92D_RATE6M;
710 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
711 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
712 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
713
714 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
715 ptcb_desc->hw_rate == DESC92D_RATEMCS7)
716 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
717
718 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
719 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
720 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
721 }
722 SET_TX_DESC_SEQ(pdesc, seq_number);
723 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
724 !ptcb_desc->cts_enable) ? 1 : 0));
725 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
726 || ptcb_desc->cts_enable) ? 1 : 0));
727 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
728 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
729 /* 5G have no CCK rate */
730 if (rtlhal->current_bandtype == BAND_ON_5G)
731 if (ptcb_desc->rts_rate < DESC92D_RATE6M)
732 ptcb_desc->rts_rate = DESC92D_RATE6M;
733 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
734 SET_TX_DESC_RTS_BW(pdesc, 0);
735 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
736 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
737 DESC92D_RATE54M) ?
738 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
739 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
740 if (bw_40) {
741 if (ptcb_desc->packet_bw) {
742 SET_TX_DESC_DATA_BW(pdesc, 1);
743 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
744 } else {
745 SET_TX_DESC_DATA_BW(pdesc, 0);
746 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
747 mac->cur_40_prime_sc);
748 }
749 } else {
750 SET_TX_DESC_DATA_BW(pdesc, 0);
751 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
752 }
753 SET_TX_DESC_LINIP(pdesc, 0);
754 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
755 if (sta) {
756 u8 ampdu_density = sta->ht_cap.ampdu_density;
757 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
758 }
759 if (info->control.hw_key) {
760 struct ieee80211_key_conf *keyconf;
761
762 keyconf = info->control.hw_key;
763 switch (keyconf->cipher) {
764 case WLAN_CIPHER_SUITE_WEP40:
765 case WLAN_CIPHER_SUITE_WEP104:
766 case WLAN_CIPHER_SUITE_TKIP:
767 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
768 break;
769 case WLAN_CIPHER_SUITE_CCMP:
770 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
771 break;
772 default:
773 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
774 break;
775
776 }
777 }
778 SET_TX_DESC_PKT_ID(pdesc, 0);
779 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
780 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
781 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
782 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
783 1 : 0);
784 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
785
786 /* Set TxRate and RTSRate in TxDesc */
787 /* This prevent Tx initial rate of new-coming packets */
788 /* from being overwritten by retried packet rate.*/
789 if (!ptcb_desc->use_driver_rate) {
790 SET_TX_DESC_RTS_RATE(pdesc, 0x08);
791 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
792 }
793 if (ieee80211_is_data_qos(fc)) {
794 if (mac->rdg_en) {
795 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
796 ("Enable RDG function.\n"));
797 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
798 SET_TX_DESC_HTC(pdesc, 1);
799 }
800 }
801 }
802
803 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
804 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
805 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
806 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
807 if (rtlpriv->dm.useramask) {
808 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
809 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
810 } else {
811 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
812 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
813 }
814 if (ieee80211_is_data_qos(fc))
815 SET_TX_DESC_QOS(pdesc, 1);
816
817 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
818 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
819 SET_TX_DESC_PKT_ID(pdesc, 8);
820 }
821 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
822 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
823 }
824
825 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
826 u8 *pdesc, bool firstseg,
827 bool lastseg, struct sk_buff *skb)
828 {
829 struct rtl_priv *rtlpriv = rtl_priv(hw);
830 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
831 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
832 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
833 u8 fw_queue = QSLT_BEACON;
834 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
835 skb->data, skb->len, PCI_DMA_TODEVICE);
836 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
837 __le16 fc = hdr->frame_control;
838
839 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
840 if (firstseg)
841 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
842 /* 5G have no CCK rate
843 * Caution: The macros below are multi-line expansions.
844 * The braces are needed no matter what checkpatch says
845 */
846 if (rtlhal->current_bandtype == BAND_ON_5G) {
847 SET_TX_DESC_TX_RATE(pdesc, DESC92D_RATE6M);
848 } else {
849 SET_TX_DESC_TX_RATE(pdesc, DESC92D_RATE1M);
850 }
851 SET_TX_DESC_SEQ(pdesc, 0);
852 SET_TX_DESC_LINIP(pdesc, 0);
853 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
854 SET_TX_DESC_FIRST_SEG(pdesc, 1);
855 SET_TX_DESC_LAST_SEG(pdesc, 1);
856 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
857 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
858 SET_TX_DESC_RATE_ID(pdesc, 7);
859 SET_TX_DESC_MACID(pdesc, 0);
860 SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
861 SET_TX_DESC_FIRST_SEG(pdesc, 1);
862 SET_TX_DESC_LAST_SEG(pdesc, 1);
863 SET_TX_DESC_OFFSET(pdesc, 0x20);
864 SET_TX_DESC_USE_RATE(pdesc, 1);
865
866 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
867 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
868 SET_TX_DESC_PKT_ID(pdesc, 8);
869 }
870
871 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
872 "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
873 wmb();
874 SET_TX_DESC_OWN(pdesc, 1);
875 }
876
877 void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
878 {
879 if (istx) {
880 switch (desc_name) {
881 case HW_DESC_OWN:
882 wmb();
883 SET_TX_DESC_OWN(pdesc, 1);
884 break;
885 case HW_DESC_TX_NEXTDESC_ADDR:
886 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
887 break;
888 default:
889 RT_ASSERT(false, ("ERR txdesc :%d"
890 " not process\n", desc_name));
891 break;
892 }
893 } else {
894 switch (desc_name) {
895 case HW_DESC_RXOWN:
896 wmb();
897 SET_RX_DESC_OWN(pdesc, 1);
898 break;
899 case HW_DESC_RXBUFF_ADDR:
900 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
901 break;
902 case HW_DESC_RXPKT_LEN:
903 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
904 break;
905 case HW_DESC_RXERO:
906 SET_RX_DESC_EOR(pdesc, 1);
907 break;
908 default:
909 RT_ASSERT(false, ("ERR rxdesc :%d "
910 "not process\n", desc_name));
911 break;
912 }
913 }
914 }
915
916 u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
917 {
918 u32 ret = 0;
919
920 if (istx) {
921 switch (desc_name) {
922 case HW_DESC_OWN:
923 ret = GET_TX_DESC_OWN(p_desc);
924 break;
925 case HW_DESC_TXBUFF_ADDR:
926 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
927 break;
928 default:
929 RT_ASSERT(false, ("ERR txdesc :%d "
930 "not process\n", desc_name));
931 break;
932 }
933 } else {
934 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
935 switch (desc_name) {
936 case HW_DESC_OWN:
937 ret = GET_RX_DESC_OWN(pdesc);
938 break;
939 case HW_DESC_RXPKT_LEN:
940 ret = GET_RX_DESC_PKT_LEN(pdesc);
941 break;
942 default:
943 RT_ASSERT(false, ("ERR rxdesc :%d "
944 "not process\n", desc_name));
945 break;
946 }
947 }
948 return ret;
949 }
950
951 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
952 {
953 struct rtl_priv *rtlpriv = rtl_priv(hw);
954 if (hw_queue == BEACON_QUEUE)
955 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
956 else
957 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
958 BIT(0) << (hw_queue));
959 }
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