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
_rtl92de_map_hwqueue_to_fwqueue(struct sk_buff * skb,u8 hw_queue)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
_rtl92d_query_rxpwrpercentage(char antpower)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
_rtl92d_evm_db_to_percentage(char value)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
_rtl92de_translate_todbm(struct ieee80211_hw * hw,u8 signal_strength_index)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
_rtl92de_signal_scale_mapping(struct ieee80211_hw * hw,long currsig)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
_rtl92de_query_rxphystatus(struct ieee80211_hw * hw,struct rtl_stats * pstats,struct rx_desc_92d * pdesc,struct rx_fwinfo_92d * p_drvinfo,bool packet_match_bssid,bool packet_toself,bool packet_beacon)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);
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 >= DESC92_RATEMCS8 &&
239 pdesc->rxmcs <= DESC92_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
rtl92d_loop_over_paths(struct ieee80211_hw * hw,struct rtl_stats * pstats)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
_rtl92de_process_ui_rssi(struct ieee80211_hw * hw,struct rtl_stats * pstats)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
_rtl92de_update_rxsignalstatistics(struct ieee80211_hw * hw,struct rtl_stats * pstats)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
_rtl92de_process_pwdb(struct ieee80211_hw * hw,struct rtl_stats * pstats)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
rtl92d_loop_over_streams(struct ieee80211_hw * hw,struct rtl_stats * pstats)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
_rtl92de_process_ui_link_quality(struct ieee80211_hw * hw,struct rtl_stats * pstats)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
_rtl92de_process_phyinfo(struct ieee80211_hw * hw,u8 * buffer,struct rtl_stats * pcurrent_stats)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
_rtl92de_translate_rx_signal_stuff(struct ieee80211_hw * hw,struct sk_buff * skb,struct rtl_stats * pstats,struct rx_desc_92d * pdesc,struct rx_fwinfo_92d * p_drvinfo)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
rtl92de_rx_query_desc(struct ieee80211_hw * hw,struct rtl_stats * stats,struct ieee80211_rx_status * rx_status,u8 * p_desc,struct sk_buff * skb)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 rx_status->freq = hw->conf.chandef.chan->center_freq;
503 rx_status->band = hw->conf.chandef.chan->band;
504 if (GET_RX_DESC_CRC32(pdesc))
505 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
506 if (!GET_RX_DESC_SWDEC(pdesc))
507 rx_status->flag |= RX_FLAG_DECRYPTED;
508 if (GET_RX_DESC_BW(pdesc))
509 rx_status->flag |= RX_FLAG_40MHZ;
510 if (GET_RX_DESC_RXHT(pdesc))
511 rx_status->flag |= RX_FLAG_HT;
512 rx_status->flag |= RX_FLAG_MACTIME_START;
513 if (stats->decrypted)
514 rx_status->flag |= RX_FLAG_DECRYPTED;
515 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
516 (bool)GET_RX_DESC_RXHT(pdesc),
517 (u8)GET_RX_DESC_RXMCS(pdesc),
518 (bool)GET_RX_DESC_PAGGR(pdesc));
519 rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
520 if (phystatus) {
521 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
522 stats->rx_bufshift);
523 _rtl92de_translate_rx_signal_stuff(hw,
524 skb, stats, pdesc,
525 p_drvinfo);
526 }
527 /*rx_status->qual = stats->signal; */
528 rx_status->signal = stats->rssi + 10;
529 /*rx_status->noise = -stats->noise; */
530 return true;
531 }
532
_rtl92de_insert_emcontent(struct rtl_tcb_desc * ptcb_desc,u8 * virtualaddress)533 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
534 u8 *virtualaddress)
535 {
536 memset(virtualaddress, 0, 8);
537
538 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
539 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
540 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
541 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
542 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
543 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
544 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
545 }
546
rtl92de_tx_fill_desc(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,u8 * pdesc_tx,struct ieee80211_tx_info * info,struct ieee80211_sta * sta,struct sk_buff * skb,u8 hw_queue,struct rtl_tcb_desc * ptcb_desc)547 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
548 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
549 struct ieee80211_tx_info *info,
550 struct ieee80211_sta *sta,
551 struct sk_buff *skb,
552 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
553 {
554 struct rtl_priv *rtlpriv = rtl_priv(hw);
555 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
556 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
557 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
558 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
559 u8 *pdesc = pdesc_tx;
560 u16 seq_number;
561 __le16 fc = hdr->frame_control;
562 unsigned int buf_len = 0;
563 unsigned int skb_len = skb->len;
564 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
565 bool firstseg = ((hdr->seq_ctrl &
566 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
567 bool lastseg = ((hdr->frame_control &
568 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
569 dma_addr_t mapping;
570 u8 bw_40 = 0;
571
572 if (mac->opmode == NL80211_IFTYPE_STATION) {
573 bw_40 = mac->bw_40;
574 } else if (mac->opmode == NL80211_IFTYPE_AP ||
575 mac->opmode == NL80211_IFTYPE_ADHOC) {
576 if (sta)
577 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
578 }
579 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
580 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
581 /* reserve 8 byte for AMPDU early mode */
582 if (rtlhal->earlymode_enable) {
583 skb_push(skb, EM_HDR_LEN);
584 memset(skb->data, 0, EM_HDR_LEN);
585 }
586 buf_len = skb->len;
587 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
588 PCI_DMA_TODEVICE);
589 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
590 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
591 "DMA mapping error");
592 return;
593 }
594 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
595 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
596 firstseg = true;
597 lastseg = true;
598 }
599 if (firstseg) {
600 if (rtlhal->earlymode_enable) {
601 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
602 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
603 EM_HDR_LEN);
604 if (ptcb_desc->empkt_num) {
605 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
606 "Insert 8 byte.pTcb->EMPktNum:%d\n",
607 ptcb_desc->empkt_num);
608 _rtl92de_insert_emcontent(ptcb_desc,
609 (u8 *)(skb->data));
610 }
611 } else {
612 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
613 }
614 /* 5G have no CCK rate */
615 if (rtlhal->current_bandtype == BAND_ON_5G)
616 if (ptcb_desc->hw_rate < DESC92_RATE6M)
617 ptcb_desc->hw_rate = DESC92_RATE6M;
618 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
619 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
620 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
621
622 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
623 ptcb_desc->hw_rate == DESC92_RATEMCS7)
624 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
625
626 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
627 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
628 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
629 }
630 SET_TX_DESC_SEQ(pdesc, seq_number);
631 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
632 !ptcb_desc->cts_enable) ? 1 : 0));
633 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
634 || ptcb_desc->cts_enable) ? 1 : 0));
635 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
636 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
637 /* 5G have no CCK rate */
638 if (rtlhal->current_bandtype == BAND_ON_5G)
639 if (ptcb_desc->rts_rate < DESC92_RATE6M)
640 ptcb_desc->rts_rate = DESC92_RATE6M;
641 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
642 SET_TX_DESC_RTS_BW(pdesc, 0);
643 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
644 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
645 DESC92_RATE54M) ?
646 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
647 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
648 if (bw_40) {
649 if (ptcb_desc->packet_bw) {
650 SET_TX_DESC_DATA_BW(pdesc, 1);
651 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
652 } else {
653 SET_TX_DESC_DATA_BW(pdesc, 0);
654 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
655 mac->cur_40_prime_sc);
656 }
657 } else {
658 SET_TX_DESC_DATA_BW(pdesc, 0);
659 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
660 }
661 SET_TX_DESC_LINIP(pdesc, 0);
662 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
663 if (sta) {
664 u8 ampdu_density = sta->ht_cap.ampdu_density;
665 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
666 }
667 if (info->control.hw_key) {
668 struct ieee80211_key_conf *keyconf;
669
670 keyconf = info->control.hw_key;
671 switch (keyconf->cipher) {
672 case WLAN_CIPHER_SUITE_WEP40:
673 case WLAN_CIPHER_SUITE_WEP104:
674 case WLAN_CIPHER_SUITE_TKIP:
675 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
676 break;
677 case WLAN_CIPHER_SUITE_CCMP:
678 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
679 break;
680 default:
681 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
682 break;
683
684 }
685 }
686 SET_TX_DESC_PKT_ID(pdesc, 0);
687 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
688 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
689 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
690 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
691 1 : 0);
692 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
693
694 /* Set TxRate and RTSRate in TxDesc */
695 /* This prevent Tx initial rate of new-coming packets */
696 /* from being overwritten by retried packet rate.*/
697 if (!ptcb_desc->use_driver_rate) {
698 SET_TX_DESC_RTS_RATE(pdesc, 0x08);
699 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
700 }
701 if (ieee80211_is_data_qos(fc)) {
702 if (mac->rdg_en) {
703 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
704 "Enable RDG function\n");
705 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
706 SET_TX_DESC_HTC(pdesc, 1);
707 }
708 }
709 }
710
711 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
712 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
713 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
714 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
715 if (rtlpriv->dm.useramask) {
716 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
717 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
718 } else {
719 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
720 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
721 }
722 if (ieee80211_is_data_qos(fc))
723 SET_TX_DESC_QOS(pdesc, 1);
724
725 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
726 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
727 SET_TX_DESC_PKT_ID(pdesc, 8);
728 }
729 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
730 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
731 }
732
rtl92de_tx_fill_cmddesc(struct ieee80211_hw * hw,u8 * pdesc,bool firstseg,bool lastseg,struct sk_buff * skb)733 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
734 u8 *pdesc, bool firstseg,
735 bool lastseg, struct sk_buff *skb)
736 {
737 struct rtl_priv *rtlpriv = rtl_priv(hw);
738 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
739 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
740 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
741 u8 fw_queue = QSLT_BEACON;
742 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
743 skb->data, skb->len, PCI_DMA_TODEVICE);
744 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
745 __le16 fc = hdr->frame_control;
746
747 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
748 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
749 "DMA mapping error");
750 return;
751 }
752 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
753 if (firstseg)
754 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
755 /* 5G have no CCK rate
756 * Caution: The macros below are multi-line expansions.
757 * The braces are needed no matter what checkpatch says
758 */
759 if (rtlhal->current_bandtype == BAND_ON_5G) {
760 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE6M);
761 } else {
762 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
763 }
764 SET_TX_DESC_SEQ(pdesc, 0);
765 SET_TX_DESC_LINIP(pdesc, 0);
766 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
767 SET_TX_DESC_FIRST_SEG(pdesc, 1);
768 SET_TX_DESC_LAST_SEG(pdesc, 1);
769 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len);
770 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
771 SET_TX_DESC_RATE_ID(pdesc, 7);
772 SET_TX_DESC_MACID(pdesc, 0);
773 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
774 SET_TX_DESC_FIRST_SEG(pdesc, 1);
775 SET_TX_DESC_LAST_SEG(pdesc, 1);
776 SET_TX_DESC_OFFSET(pdesc, 0x20);
777 SET_TX_DESC_USE_RATE(pdesc, 1);
778
779 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
780 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
781 SET_TX_DESC_PKT_ID(pdesc, 8);
782 }
783
784 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
785 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
786 wmb();
787 SET_TX_DESC_OWN(pdesc, 1);
788 }
789
rtl92de_set_desc(u8 * pdesc,bool istx,u8 desc_name,u8 * val)790 void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
791 {
792 if (istx) {
793 switch (desc_name) {
794 case HW_DESC_OWN:
795 wmb();
796 SET_TX_DESC_OWN(pdesc, 1);
797 break;
798 case HW_DESC_TX_NEXTDESC_ADDR:
799 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
800 break;
801 default:
802 RT_ASSERT(false, "ERR txdesc :%d not process\n",
803 desc_name);
804 break;
805 }
806 } else {
807 switch (desc_name) {
808 case HW_DESC_RXOWN:
809 wmb();
810 SET_RX_DESC_OWN(pdesc, 1);
811 break;
812 case HW_DESC_RXBUFF_ADDR:
813 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
814 break;
815 case HW_DESC_RXPKT_LEN:
816 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
817 break;
818 case HW_DESC_RXERO:
819 SET_RX_DESC_EOR(pdesc, 1);
820 break;
821 default:
822 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
823 desc_name);
824 break;
825 }
826 }
827 }
828
rtl92de_get_desc(u8 * p_desc,bool istx,u8 desc_name)829 u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
830 {
831 u32 ret = 0;
832
833 if (istx) {
834 switch (desc_name) {
835 case HW_DESC_OWN:
836 ret = GET_TX_DESC_OWN(p_desc);
837 break;
838 case HW_DESC_TXBUFF_ADDR:
839 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
840 break;
841 default:
842 RT_ASSERT(false, "ERR txdesc :%d not process\n",
843 desc_name);
844 break;
845 }
846 } else {
847 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
848 switch (desc_name) {
849 case HW_DESC_OWN:
850 ret = GET_RX_DESC_OWN(pdesc);
851 break;
852 case HW_DESC_RXPKT_LEN:
853 ret = GET_RX_DESC_PKT_LEN(pdesc);
854 break;
855 default:
856 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
857 desc_name);
858 break;
859 }
860 }
861 return ret;
862 }
863
rtl92de_tx_polling(struct ieee80211_hw * hw,u8 hw_queue)864 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
865 {
866 struct rtl_priv *rtlpriv = rtl_priv(hw);
867 if (hw_queue == BEACON_QUEUE)
868 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
869 else
870 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
871 BIT(0) << (hw_queue));
872 }
873