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mac80211: stop toggling IEEE80211_HT_CAP_SUP_WIDTH_20_40
[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / rtlwifi / rtl8192ce / trx.c
CommitLineData
0c817338
LF		 1/******************************************************************************
2 *
9003a4ab 3 * Copyright(c) 2009-2012 Realtek Corporation.
0c817338
LF		 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"
5c405b5c
JL		 33#include "reg.h"
34#include "def.h"
35#include "phy.h"
36#include "trx.h"
37#include "led.h"
0c817338 38
d3bb1429 39static u8 _rtl92ce_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
0c817338 40{
d3bb1429 41 __le16 fc = rtl_get_fc(skb);
0c817338 42
76c34f91
C		 43 if (unlikely(ieee80211_is_beacon(fc)))
44 return QSLT_BEACON;
45 if (ieee80211_is_mgmt(fc))
46 return QSLT_MGNT;
0c817338 47
76c34f91 48 return skb->priority;
0c817338
LF		 49}
50
0c817338
LF		 51static u8 _rtl92c_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
61static u8 _rtl92c_evm_db_to_percentage(char value)
62{
63 char ret_val;
64 ret_val = value;
65
66 if (ret_val >= 0)
67 ret_val = 0;
68
69 if (ret_val <= -33)
70 ret_val = -33;
71
72 ret_val = 0 - ret_val;
73 ret_val *= 3;
74
75 if (ret_val == 99)
76 ret_val = 100;
77
78 return ret_val;
79}
80
81static long _rtl92ce_translate_todbm(struct ieee80211_hw *hw,
82 u8 signal_strength_index)
83{
84 long signal_power;
85
86 signal_power = (long)((signal_strength_index + 1) >> 1);
87 signal_power -= 95;
88 return signal_power;
89}
90
91static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw,
92 long currsig)
93{
94 long retsig;
95
96 if (currsig >= 61 && currsig <= 100)
97 retsig = 90 + ((currsig - 60) / 4);
98 else if (currsig >= 41 && currsig <= 60)
99 retsig = 78 + ((currsig - 40) / 2);
100 else if (currsig >= 31 && currsig <= 40)
101 retsig = 66 + (currsig - 30);
102 else if (currsig >= 21 && currsig <= 30)
103 retsig = 54 + (currsig - 20);
104 else if (currsig >= 5 && currsig <= 20)
105 retsig = 42 + (((currsig - 5) * 2) / 3);
106 else if (currsig == 4)
107 retsig = 36;
108 else if (currsig == 3)
109 retsig = 27;
110 else if (currsig == 2)
111 retsig = 18;
112 else if (currsig == 1)
113 retsig = 9;
114 else
115 retsig = currsig;
116
117 return retsig;
118}
119
120static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,
121 struct rtl_stats *pstats,
122 struct rx_desc_92c *pdesc,
123 struct rx_fwinfo_92c *p_drvinfo,
7ea47240
LF		 124 bool packet_match_bssid,
125 bool packet_toself,
126 bool packet_beacon)
0c817338
LF		 127{
128 struct rtl_priv *rtlpriv = rtl_priv(hw);
129 struct phy_sts_cck_8192s_t *cck_buf;
0bd899e7 130 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
7101f404 131 s8 rx_pwr_all = 0, rx_pwr[4];
c2a7dca0 132 u8 evm, pwdb_all, rf_rx_num = 0;
0c817338 133 u8 i, max_spatial_stream;
c2a7dca0 134 u32 rssi, total_rssi = 0;
0c817338
LF		 135 bool is_cck_rate;
136
137 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
7ea47240
LF		 138 pstats->packet_matchbssid = packet_match_bssid;
139 pstats->packet_toself = packet_toself;
140 pstats->is_cck = is_cck_rate;
141 pstats->packet_beacon = packet_beacon;
142 pstats->is_cck = is_cck_rate;
da17fcff
LF		 143 pstats->rx_mimo_sig_qual[0] = -1;
144 pstats->rx_mimo_sig_qual[1] = -1;
0c817338
LF		 145
146 if (is_cck_rate) {
147 u8 report, cck_highpwr;
148 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
149
0bd899e7 150 if (ppsc->rfpwr_state == ERFON)
76c34f91
C		 151 cck_highpwr = (u8) rtl_get_bbreg(hw,
152 RFPGA0_XA_HSSIPARAMETER2,
153 BIT(9));
154 else
155 cck_highpwr = false;
156
0c817338
LF		 157 if (!cck_highpwr) {
158 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
159 report = cck_buf->cck_agc_rpt & 0xc0;
160 report = report >> 6;
161 switch (report) {
162 case 0x3:
163 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
164 break;
165 case 0x2:
166 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
167 break;
168 case 0x1:
169 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
170 break;
171 case 0x0:
172 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
173 break;
174 }
175 } else {
176 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
177 report = p_drvinfo->cfosho[0] & 0x60;
178 report = report >> 5;
179 switch (report) {
180 case 0x3:
181 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
182 break;
183 case 0x2:
184 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
185 break;
186 case 0x1:
187 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
188 break;
189 case 0x0:
190 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
191 break;
192 }
193 }
194
195 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
196 pstats->rx_pwdb_all = pwdb_all;
197 pstats->recvsignalpower = rx_pwr_all;
198
7ea47240 199 if (packet_match_bssid) {
0c817338
LF		 200 u8 sq;
201 if (pstats->rx_pwdb_all > 40)
202 sq = 100;
203 else {
204 sq = cck_buf->sq_rpt;
205 if (sq > 64)
206 sq = 0;
207 else if (sq < 20)
208 sq = 100;
209 else
210 sq = ((64 - sq) * 100) / 44;
211 }
212
213 pstats->signalquality = sq;
da17fcff
LF		 214 pstats->rx_mimo_sig_qual[0] = sq;
215 pstats->rx_mimo_sig_qual[1] = -1;
0c817338
LF		 216 }
217 } else {
7ea47240
LF		 218 rtlpriv->dm.rfpath_rxenable[0] =
219 rtlpriv->dm.rfpath_rxenable[1] = true;
0c817338 220 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
7ea47240 221 if (rtlpriv->dm.rfpath_rxenable[i])
0c817338
LF		 222 rf_rx_num++;
223
224 rx_pwr[i] =
225 ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
226 rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
227 total_rssi += rssi;
228 rtlpriv->stats.rx_snr_db[i] =
229 (long)(p_drvinfo->rxsnr[i] / 2);
230
7ea47240 231 if (packet_match_bssid)
0c817338
LF		 232 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
233 }
234
235 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
236 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
237 pstats->rx_pwdb_all = pwdb_all;
238 pstats->rxpower = rx_pwr_all;
239 pstats->recvsignalpower = rx_pwr_all;
240
78851b66
LF		 241 if (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 &&
242 pdesc->rxmcs <= DESC92_RATEMCS15)
0c817338
LF		 243 max_spatial_stream = 2;
244 else
245 max_spatial_stream = 1;
246
247 for (i = 0; i < max_spatial_stream; i++) {
248 evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
249
7ea47240 250 if (packet_match_bssid) {
0c817338
LF		 251 if (i == 0)
252 pstats->signalquality =
253 (u8) (evm & 0xff);
da17fcff 254 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
0c817338
LF		 255 }
256 }
257 }
258
259 if (is_cck_rate)
260 pstats->signalstrength =
261 (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
262 else if (rf_rx_num != 0)
263 pstats->signalstrength =
264 (u8) (_rtl92ce_signal_scale_mapping
265 (hw, total_rssi /= rf_rx_num));
266}
267
268static void _rtl92ce_process_ui_rssi(struct ieee80211_hw *hw,
269 struct rtl_stats *pstats)
270{
271 struct rtl_priv *rtlpriv = rtl_priv(hw);
272 struct rtl_phy *rtlphy = &(rtlpriv->phy);
273 u8 rfpath;
274 u32 last_rssi, tmpval;
275
7ea47240 276 if (pstats->packet_toself || pstats->packet_beacon) {
0c817338
LF		 277 rtlpriv->stats.rssi_calculate_cnt++;
278
279 if (rtlpriv->stats.ui_rssi.total_num++ >=
280 PHY_RSSI_SLID_WIN_MAX) {
76c34f91 281
0c817338
LF		 282 rtlpriv->stats.ui_rssi.total_num =
283 PHY_RSSI_SLID_WIN_MAX;
284 last_rssi =
285 rtlpriv->stats.ui_rssi.elements[rtlpriv->
286 stats.ui_rssi.index];
287 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
288 }
289
290 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
291 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.
292 index++] =
293 pstats->signalstrength;
294
295 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
296 rtlpriv->stats.ui_rssi.index = 0;
297
298 tmpval = rtlpriv->stats.ui_rssi.total_val /
299 rtlpriv->stats.ui_rssi.total_num;
300 rtlpriv->stats.signal_strength =
301 _rtl92ce_translate_todbm(hw, (u8) tmpval);
302 pstats->rssi = rtlpriv->stats.signal_strength;
303 }
304
7ea47240 305 if (!pstats->is_cck && pstats->packet_toself) {
0c817338
LF		 306 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
307 rfpath++) {
0c817338
LF		 308 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
309 rtlpriv->stats.rx_rssi_percentage[rfpath] =
310 pstats->rx_mimo_signalstrength[rfpath];
311
312 }
313
314 if (pstats->rx_mimo_signalstrength[rfpath] >
315 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
316 rtlpriv->stats.rx_rssi_percentage[rfpath] =
317 ((rtlpriv->stats.
318 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.
329 rx_rssi_percentage[rfpath] *
330 (RX_SMOOTH_FACTOR - 1)) +
331 (pstats->rx_mimo_signalstrength[rfpath])) /
332 (RX_SMOOTH_FACTOR);
333 }
334
335 }
336 }
337}
338
339static void _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw,
340 struct rtl_stats *pstats)
341{
342 struct rtl_priv *rtlpriv = rtl_priv(hw);
c2a7dca0 343 int weighting = 0;
0c817338
LF		 344
345 if (rtlpriv->stats.recv_signal_power == 0)
346 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
347
348 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
349 weighting = 5;
350
351 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
352 weighting = (-5);
353
354 rtlpriv->stats.recv_signal_power =
355 (rtlpriv->stats.recv_signal_power * 5 +
356 pstats->recvsignalpower + weighting) / 6;
357}
358
359static void _rtl92ce_process_pwdb(struct ieee80211_hw *hw,
360 struct rtl_stats *pstats)
361{
362 struct rtl_priv *rtlpriv = rtl_priv(hw);
363 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
da17fcff 364 long undec_sm_pwdb;
0c817338
LF		 365
366 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
367 return;
368 } else {
da17fcff 369 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
0c817338
LF		 370 }
371
7ea47240 372 if (pstats->packet_toself || pstats->packet_beacon) {
da17fcff
LF		 373 if (undec_sm_pwdb < 0)
374 undec_sm_pwdb = pstats->rx_pwdb_all;
0c817338 375
da17fcff
LF		 376 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
377 undec_sm_pwdb = (((undec_sm_pwdb) *
0c817338
LF		 378 (RX_SMOOTH_FACTOR - 1)) +
379 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
380
da17fcff 381 undec_sm_pwdb += 1;
0c817338 382 } else {
da17fcff 383 undec_sm_pwdb = (((undec_sm_pwdb) *
0c817338
LF		 384 (RX_SMOOTH_FACTOR - 1)) +
385 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
386 }
387
da17fcff 388 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
0c817338
LF		 389 _rtl92ce_update_rxsignalstatistics(hw, pstats);
390 }
391}
392
393static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw,
394 struct rtl_stats *pstats)
395{
396 struct rtl_priv *rtlpriv = rtl_priv(hw);
397 u32 last_evm, n_spatialstream, tmpval;
398
399 if (pstats->signalquality != 0) {
7ea47240 400 if (pstats->packet_toself || pstats->packet_beacon) {
0c817338
LF		 401
402 if (rtlpriv->stats.ui_link_quality.total_num++ >=
403 PHY_LINKQUALITY_SLID_WIN_MAX) {
404 rtlpriv->stats.ui_link_quality.total_num =
405 PHY_LINKQUALITY_SLID_WIN_MAX;
406 last_evm =
407 rtlpriv->stats.
408 ui_link_quality.elements[rtlpriv->
409 stats.ui_link_quality.
410 index];
411 rtlpriv->stats.ui_link_quality.total_val -=
412 last_evm;
413 }
414
415 rtlpriv->stats.ui_link_quality.total_val +=
416 pstats->signalquality;
417 rtlpriv->stats.ui_link_quality.elements[rtlpriv->stats.
418 ui_link_quality.
419 index++] =
420 pstats->signalquality;
421
422 if (rtlpriv->stats.ui_link_quality.index >=
423 PHY_LINKQUALITY_SLID_WIN_MAX)
424 rtlpriv->stats.ui_link_quality.index = 0;
425
426 tmpval = rtlpriv->stats.ui_link_quality.total_val /
427 rtlpriv->stats.ui_link_quality.total_num;
428 rtlpriv->stats.signal_quality = tmpval;
429
430 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
431
432 for (n_spatialstream = 0; n_spatialstream < 2;
433 n_spatialstream++) {
434 if (pstats->
da17fcff 435 rx_mimo_sig_qual[n_spatialstream] != -1) {
0c817338
LF		 436 if (rtlpriv->stats.
437 rx_evm_percentage[n_spatialstream]
438 == 0) {
439 rtlpriv->stats.
440 rx_evm_percentage
441 [n_spatialstream] =
da17fcff 442 pstats->rx_mimo_sig_qual
0c817338
LF		 443 [n_spatialstream];
444 }
445
446 rtlpriv->stats.
447 rx_evm_percentage[n_spatialstream] =
448 ((rtlpriv->
449 stats.rx_evm_percentage
450 [n_spatialstream] *
451 (RX_SMOOTH_FACTOR - 1)) +
da17fcff 452 (pstats->rx_mimo_sig_qual
0c817338
LF		 453 [n_spatialstream] * 1)) /
454 (RX_SMOOTH_FACTOR);
455 }
456 }
457 }
458 } else {
459 ;
460 }
461}
462
463static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw,
464 u8 *buffer,
465 struct rtl_stats *pcurrent_stats)
466{
467
7ea47240
LF		 468 if (!pcurrent_stats->packet_matchbssid &&
469 !pcurrent_stats->packet_beacon)
0c817338
LF		 470 return;
471
472 _rtl92ce_process_ui_rssi(hw, pcurrent_stats);
473 _rtl92ce_process_pwdb(hw, pcurrent_stats);
474 _rtl92ce_process_ui_link_quality(hw, pcurrent_stats);
475}
476
477static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
478 struct sk_buff *skb,
479 struct rtl_stats *pstats,
480 struct rx_desc_92c *pdesc,
481 struct rx_fwinfo_92c *p_drvinfo)
482{
483 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
484 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
485
486 struct ieee80211_hdr *hdr;
487 u8 *tmp_buf;
488 u8 *praddr;
17c9ac62
LF		 489 __le16 fc;
490 u16 type, c_fc;
e48caab2 491 bool packet_matchbssid, packet_toself, packet_beacon = false;
0c817338
LF		 492
493 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
494
495 hdr = (struct ieee80211_hdr *)tmp_buf;
17c9ac62
LF		 496 fc = hdr->frame_control;
497 c_fc = le16_to_cpu(fc);
0c817338
LF		 498 type = WLAN_FC_GET_TYPE(fc);
499 praddr = hdr->addr1;
0c817338 500
7ea47240 501 packet_matchbssid =
0c817338 502 ((IEEE80211_FTYPE_CTL != type) &&
2e42e474
JP		 503 ether_addr_equal(mac->bssid,
504 (c_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
505 (c_fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
506 hdr->addr3) &&
7ea47240 507 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
0c817338 508
7ea47240 509 packet_toself = packet_matchbssid &&
2e42e474 510 ether_addr_equal(praddr, rtlefuse->dev_addr);
0c817338
LF		 511
512 if (ieee80211_is_beacon(fc))
7ea47240 513 packet_beacon = true;
0c817338
LF		 514
515 _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
7ea47240
LF		 516 packet_matchbssid, packet_toself,
517 packet_beacon);
0c817338
LF		 518
519 _rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
520}
521
522bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
523 struct rtl_stats *stats,
524 struct ieee80211_rx_status *rx_status,
525 u8 *p_desc, struct sk_buff *skb)
526{
527 struct rx_fwinfo_92c *p_drvinfo;
528 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
529
530 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
531 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
532 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
533 RX_DRV_INFO_SIZE_UNIT;
534 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
7ea47240
LF		 535 stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
536 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
537 stats->hwerror = (stats->crc | stats->icv);
0c817338
LF		 538 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
539 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
7ea47240
LF		 540 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
541 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
542 stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
0c817338
LF		 543 && (GET_RX_DESC_FAGGR(pdesc) == 1));
544 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
545 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
546
547 rx_status->freq = hw->conf.channel->center_freq;
548 rx_status->band = hw->conf.channel->band;
549
550 if (GET_RX_DESC_CRC32(pdesc))
551 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
552
553 if (!GET_RX_DESC_SWDEC(pdesc))
554 rx_status->flag |= RX_FLAG_DECRYPTED;
555
556 if (GET_RX_DESC_BW(pdesc))
557 rx_status->flag |= RX_FLAG_40MHZ;
558
559 if (GET_RX_DESC_RXHT(pdesc))
560 rx_status->flag |= RX_FLAG_HT;
561
f4bda337 562 rx_status->flag |= RX_FLAG_MACTIME_START;
0c817338
LF		 563
564 if (stats->decrypted)
565 rx_status->flag |= RX_FLAG_DECRYPTED;
566
78851b66
LF		 567 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
568 (bool)GET_RX_DESC_RXHT(pdesc),
569 (u8)GET_RX_DESC_RXMCS(pdesc),
570 (bool)GET_RX_DESC_PAGGR(pdesc));
0c817338
LF		 571
572 rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
e10542c4 573 if (phystatus) {
0c817338
LF		 574 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
575 stats->rx_bufshift);
576
577 _rtl92ce_translate_rx_signal_stuff(hw,
578 skb, stats, pdesc,
579 p_drvinfo);
580 }
581
582 /*rx_status->qual = stats->signal; */
583 rx_status->signal = stats->rssi + 10;
584 /*rx_status->noise = -stats->noise; */
585
586 return true;
587}
588
589void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
590 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
36323f81
TH		 591 struct ieee80211_tx_info *info,
592 struct ieee80211_sta *sta,
593 struct sk_buff *skb,
76c34f91 594 u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
0c817338
LF		 595{
596 struct rtl_priv *rtlpriv = rtl_priv(hw);
597 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
598 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
599 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
7ea47240 600 bool defaultadapter = true;
2c208890 601 u8 *pdesc = pdesc_tx;
0c817338 602 u16 seq_number;
17c9ac62 603 __le16 fc = hdr->frame_control;
76c34f91 604 u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue);
7ea47240
LF		 605 bool firstseg = ((hdr->seq_ctrl &
606 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
0c817338 607
7ea47240
LF		 608 bool lastseg = ((hdr->frame_control &
609 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
0c817338
LF		 610
611 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
612 skb->data, skb->len,
613 PCI_DMA_TODEVICE);
91459101 614
76c34f91
C		 615 u8 bw_40 = 0;
616
91459101
LF		 617 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
618 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
619 "DMA mapping error");
620 return;
621 }
76c34f91
C		 622 rcu_read_lock();
623 sta = get_sta(hw, mac->vif, mac->bssid);
624 if (mac->opmode == NL80211_IFTYPE_STATION) {
625 bw_40 = mac->bw_40;
626 } else if (mac->opmode == NL80211_IFTYPE_AP ||
627 mac->opmode == NL80211_IFTYPE_ADHOC) {
628 if (sta)
e1a0c6b3 629 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
76c34f91 630 }
0c817338
LF		 631
632 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
633
76c34f91 634 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
0c817338
LF		 635
636 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
637
76c34f91
C		 638 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
639 firstseg = true;
640 lastseg = true;
641 }
7ea47240 642 if (firstseg) {
0c817338
LF		 643 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
644
76c34f91 645 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate);
0c817338 646
76c34f91 647 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
0c817338
LF		 648 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
649
76c34f91 650 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
0c817338
LF		 651 SET_TX_DESC_AGG_BREAK(pdesc, 1);
652 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
653 }
654 SET_TX_DESC_SEQ(pdesc, seq_number);
655
76c34f91
C		 656 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable &&
657 !tcb_desc->
7ea47240 658 cts_enable) ? 1 : 0));
0c817338 659 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
76c34f91
C		 660 ((tcb_desc->rts_enable
661 || tcb_desc->cts_enable) ? 1 : 0));
662 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));
663 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
0c817338 664
76c34f91 665 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate);
0c817338 666 SET_TX_DESC_RTS_BW(pdesc, 0);
76c34f91 667 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc);
0c817338 668 SET_TX_DESC_RTS_SHORT(pdesc,
78851b66 669 ((tcb_desc->rts_rate <= DESC92_RATE54M) ?
76c34f91
C		 670 (tcb_desc->rts_use_shortpreamble ? 1 : 0)
671 : (tcb_desc->rts_use_shortgi ? 1 : 0)));
0c817338 672
76c34f91
C		 673 if (bw_40) {
674 if (tcb_desc->packet_bw) {
0c817338
LF		 675 SET_TX_DESC_DATA_BW(pdesc, 1);
676 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
677 } else {
678 SET_TX_DESC_DATA_BW(pdesc, 0);
76c34f91
C		 679 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
680 mac->cur_40_prime_sc);
0c817338
LF		 681 }
682 } else {
683 SET_TX_DESC_DATA_BW(pdesc, 0);
684 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
685 }
686
687 SET_TX_DESC_LINIP(pdesc, 0);
688 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
689
690 if (sta) {
691 u8 ampdu_density = sta->ht_cap.ampdu_density;
692 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
693 }
694
695 if (info->control.hw_key) {
696 struct ieee80211_key_conf *keyconf =
697 info->control.hw_key;
698
699 switch (keyconf->cipher) {
700 case WLAN_CIPHER_SUITE_WEP40:
701 case WLAN_CIPHER_SUITE_WEP104:
702 case WLAN_CIPHER_SUITE_TKIP:
703 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
704 break;
705 case WLAN_CIPHER_SUITE_CCMP:
706 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
707 break;
708 default:
709 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
710 break;
711
712 }
713 }
714
715 SET_TX_DESC_PKT_ID(pdesc, 0);
716 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
717
718 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
719 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
720 SET_TX_DESC_DISABLE_FB(pdesc, 0);
76c34f91 721 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0);
0c817338
LF		 722
723 if (ieee80211_is_data_qos(fc)) {
724 if (mac->rdg_en) {
725 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
f30d7507 726 "Enable RDG function\n");
0c817338
LF		 727 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
728 SET_TX_DESC_HTC(pdesc, 1);
729 }
730 }
731 }
d3bb1429 732 rcu_read_unlock();
0c817338 733
7ea47240
LF		 734 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
735 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
0c817338
LF		 736
737 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
738
d3bb1429 739 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
0c817338 740
7ea47240 741 if (rtlpriv->dm.useramask) {
76c34f91
C		 742 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index);
743 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id);
0c817338 744 } else {
76c34f91
C		 745 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index);
746 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index);
0c817338
LF		 747 }
748
76c34f91 749 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
0c817338
LF		 750 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
751 SET_TX_DESC_PKT_ID(pdesc, 8);
752
7ea47240 753 if (!defaultadapter)
0c817338
LF		 754 SET_TX_DESC_QOS(pdesc, 1);
755 }
756
7ea47240 757 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
0c817338
LF		 758
759 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
760 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
761 SET_TX_DESC_BMC(pdesc, 1);
762 }
763
f30d7507 764 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
0c817338
LF		 765}
766
767void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,
7ea47240
LF		 768 u8 *pdesc, bool firstseg,
769 bool lastseg, struct sk_buff *skb)
0c817338
LF		 770{
771 struct rtl_priv *rtlpriv = rtl_priv(hw);
772 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
773 u8 fw_queue = QSLT_BEACON;
774
775 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
776 skb->data, skb->len,
777 PCI_DMA_TODEVICE);
778
779 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
17c9ac62 780 __le16 fc = hdr->frame_control;
0c817338 781
91459101
LF		 782 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
783 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
784 "DMA mapping error");
785 return;
786 }
0c817338
LF		 787 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
788
7ea47240 789 if (firstseg)
0c817338
LF		 790 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
791
78851b66 792 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
0c817338
LF		 793
794 SET_TX_DESC_SEQ(pdesc, 0);
795
796 SET_TX_DESC_LINIP(pdesc, 0);
797
798 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
799
800 SET_TX_DESC_FIRST_SEG(pdesc, 1);
801 SET_TX_DESC_LAST_SEG(pdesc, 1);
802
803 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
804
d3bb1429 805 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
0c817338
LF		 806
807 SET_TX_DESC_RATE_ID(pdesc, 7);
808 SET_TX_DESC_MACID(pdesc, 0);
809
810 SET_TX_DESC_OWN(pdesc, 1);
811
2c208890 812 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
0c817338
LF		 813
814 SET_TX_DESC_FIRST_SEG(pdesc, 1);
815 SET_TX_DESC_LAST_SEG(pdesc, 1);
816
817 SET_TX_DESC_OFFSET(pdesc, 0x20);
818
819 SET_TX_DESC_USE_RATE(pdesc, 1);
820
821 if (!ieee80211_is_data_qos(fc)) {
822 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
823 SET_TX_DESC_PKT_ID(pdesc, 8);
824 }
825
826 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
af08687b 827 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
0c817338
LF		 828}
829
830void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
831{
e10542c4 832 if (istx) {
0c817338
LF		 833 switch (desc_name) {
834 case HW_DESC_OWN:
71352b23 835 wmb();
0c817338
LF		 836 SET_TX_DESC_OWN(pdesc, 1);
837 break;
838 case HW_DESC_TX_NEXTDESC_ADDR:
839 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
840 break;
841 default:
9d833ed7
JP		 842 RT_ASSERT(false, "ERR txdesc :%d not process\n",
843 desc_name);
0c817338
LF		 844 break;
845 }
846 } else {
847 switch (desc_name) {
848 case HW_DESC_RXOWN:
71352b23 849 wmb();
0c817338
LF		 850 SET_RX_DESC_OWN(pdesc, 1);
851 break;
852 case HW_DESC_RXBUFF_ADDR:
853 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
854 break;
855 case HW_DESC_RXPKT_LEN:
856 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
857 break;
858 case HW_DESC_RXERO:
859 SET_RX_DESC_EOR(pdesc, 1);
860 break;
861 default:
9d833ed7
JP		 862 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
863 desc_name);
0c817338
LF		 864 break;
865 }
866 }
867}
868
869u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
870{
871 u32 ret = 0;
872
e10542c4 873 if (istx) {
0c817338
LF		 874 switch (desc_name) {
875 case HW_DESC_OWN:
876 ret = GET_TX_DESC_OWN(p_desc);
877 break;
878 case HW_DESC_TXBUFF_ADDR:
879 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
880 break;
881 default:
9d833ed7
JP		 882 RT_ASSERT(false, "ERR txdesc :%d not process\n",
883 desc_name);
0c817338
LF		 884 break;
885 }
886 } else {
887 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
888 switch (desc_name) {
889 case HW_DESC_OWN:
890 ret = GET_RX_DESC_OWN(pdesc);
891 break;
892 case HW_DESC_RXPKT_LEN:
893 ret = GET_RX_DESC_PKT_LEN(pdesc);
894 break;
895 default:
9d833ed7
JP		 896 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
897 desc_name);
0c817338
LF		 898 break;
899 }
900 }
901 return ret;
902}
903
76c34f91 904void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
0c817338
LF		 905{
906 struct rtl_priv *rtlpriv = rtl_priv(hw);
907 if (hw_queue == BEACON_QUEUE) {
908 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
909 } else {
910 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
911 BIT(0) << (hw_queue));
912 }
913}
25b2bc30 914
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