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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 "fw.h" | |
37 | #include "trx.h" | |
38 | #include "led.h" | |
39 | ||
40 | static 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 | ||
54 | static int _rtl92se_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu) | |
55 | { | |
56 | int rate_idx = 0; | |
57 | ||
58 | if (first_ampdu) { | |
59 | if (false == isht) { | |
60 | switch (desc_rate) { | |
61 | case DESC92S_RATE1M: | |
62 | rate_idx = 0; | |
63 | break; | |
64 | case DESC92S_RATE2M: | |
65 | rate_idx = 1; | |
66 | break; | |
67 | case DESC92S_RATE5_5M: | |
68 | rate_idx = 2; | |
69 | break; | |
70 | case DESC92S_RATE11M: | |
71 | rate_idx = 3; | |
72 | break; | |
73 | case DESC92S_RATE6M: | |
74 | rate_idx = 4; | |
75 | break; | |
76 | case DESC92S_RATE9M: | |
77 | rate_idx = 5; | |
78 | break; | |
79 | case DESC92S_RATE12M: | |
80 | rate_idx = 6; | |
81 | break; | |
82 | case DESC92S_RATE18M: | |
83 | rate_idx = 7; | |
84 | break; | |
85 | case DESC92S_RATE24M: | |
86 | rate_idx = 8; | |
87 | break; | |
88 | case DESC92S_RATE36M: | |
89 | rate_idx = 9; | |
90 | break; | |
91 | case DESC92S_RATE48M: | |
92 | rate_idx = 10; | |
93 | break; | |
94 | case DESC92S_RATE54M: | |
95 | rate_idx = 11; | |
96 | break; | |
97 | default: | |
98 | rate_idx = 0; | |
99 | break; | |
100 | } | |
101 | } else { | |
102 | rate_idx = 11; | |
103 | } | |
104 | ||
105 | return rate_idx; | |
106 | } | |
107 | ||
108 | switch (desc_rate) { | |
109 | case DESC92S_RATE1M: | |
110 | rate_idx = 0; | |
111 | break; | |
112 | case DESC92S_RATE2M: | |
113 | rate_idx = 1; | |
114 | break; | |
115 | case DESC92S_RATE5_5M: | |
116 | rate_idx = 2; | |
117 | break; | |
118 | case DESC92S_RATE11M: | |
119 | rate_idx = 3; | |
120 | break; | |
121 | case DESC92S_RATE6M: | |
122 | rate_idx = 4; | |
123 | break; | |
124 | case DESC92S_RATE9M: | |
125 | rate_idx = 5; | |
126 | break; | |
127 | case DESC92S_RATE12M: | |
128 | rate_idx = 6; | |
129 | break; | |
130 | case DESC92S_RATE18M: | |
131 | rate_idx = 7; | |
132 | break; | |
133 | case DESC92S_RATE24M: | |
134 | rate_idx = 8; | |
135 | break; | |
136 | case DESC92S_RATE36M: | |
137 | rate_idx = 9; | |
138 | break; | |
139 | case DESC92S_RATE48M: | |
140 | rate_idx = 10; | |
141 | break; | |
142 | case DESC92S_RATE54M: | |
143 | rate_idx = 11; | |
144 | break; | |
145 | default: | |
146 | rate_idx = 11; | |
147 | break; | |
148 | } | |
149 | return rate_idx; | |
150 | } | |
151 | ||
152 | static u8 _rtl92s_query_rxpwrpercentage(char antpower) | |
153 | { | |
154 | if ((antpower <= -100) || (antpower >= 20)) | |
155 | return 0; | |
156 | else if (antpower >= 0) | |
157 | return 100; | |
158 | else | |
159 | return 100 + antpower; | |
160 | } | |
161 | ||
162 | static u8 _rtl92s_evm_db_to_percentage(char value) | |
163 | { | |
164 | char ret_val; | |
165 | ret_val = value; | |
166 | ||
167 | if (ret_val >= 0) | |
168 | ret_val = 0; | |
169 | ||
170 | if (ret_val <= -33) | |
171 | ret_val = -33; | |
172 | ||
173 | ret_val = 0 - ret_val; | |
174 | ret_val *= 3; | |
175 | ||
176 | if (ret_val == 99) | |
177 | ret_val = 100; | |
178 | ||
179 | return ret_val; | |
180 | } | |
181 | ||
182 | static long _rtl92se_translate_todbm(struct ieee80211_hw *hw, | |
183 | u8 signal_strength_index) | |
184 | { | |
185 | long signal_power; | |
186 | ||
187 | signal_power = (long)((signal_strength_index + 1) >> 1); | |
188 | signal_power -= 95; | |
189 | return signal_power; | |
190 | } | |
191 | ||
192 | static long _rtl92se_signal_scale_mapping(struct ieee80211_hw *hw, | |
193 | long currsig) | |
194 | { | |
195 | long retsig = 0; | |
196 | ||
197 | /* Step 1. Scale mapping. */ | |
198 | if (currsig > 47) | |
199 | retsig = 100; | |
200 | else if (currsig > 14 && currsig <= 47) | |
201 | retsig = 100 - ((47 - currsig) * 3) / 2; | |
202 | else if (currsig > 2 && currsig <= 14) | |
203 | retsig = 48 - ((14 - currsig) * 15) / 7; | |
204 | else if (currsig >= 0) | |
205 | retsig = currsig * 9 + 1; | |
206 | ||
207 | return retsig; | |
208 | } | |
209 | ||
210 | ||
211 | static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw, | |
212 | struct rtl_stats *pstats, u8 *pdesc, | |
213 | struct rx_fwinfo *p_drvinfo, | |
214 | bool packet_match_bssid, | |
215 | bool packet_toself, | |
216 | bool packet_beacon) | |
217 | { | |
218 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
219 | struct phy_sts_cck_8192s_t *cck_buf; | |
220 | s8 rx_pwr_all = 0, rx_pwr[4]; | |
221 | u8 rf_rx_num = 0, evm, pwdb_all; | |
222 | u8 i, max_spatial_stream; | |
223 | u32 rssi, total_rssi = 0; | |
224 | bool in_powersavemode = false; | |
225 | bool is_cck_rate; | |
226 | ||
227 | is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc); | |
228 | pstats->packet_matchbssid = packet_match_bssid; | |
229 | pstats->packet_toself = packet_toself; | |
230 | pstats->is_cck = is_cck_rate; | |
231 | pstats->packet_beacon = packet_beacon; | |
232 | pstats->is_cck = is_cck_rate; | |
233 | pstats->rx_mimo_signalquality[0] = -1; | |
234 | pstats->rx_mimo_signalquality[1] = -1; | |
235 | ||
236 | if (is_cck_rate) { | |
237 | u8 report, cck_highpwr; | |
238 | cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; | |
239 | ||
240 | if (!in_powersavemode) | |
241 | cck_highpwr = (u8) rtl_get_bbreg(hw, | |
242 | RFPGA0_XA_HSSIPARAMETER2, | |
243 | 0x200); | |
244 | else | |
245 | cck_highpwr = false; | |
246 | ||
247 | if (!cck_highpwr) { | |
248 | u8 cck_agc_rpt = cck_buf->cck_agc_rpt; | |
249 | report = cck_buf->cck_agc_rpt & 0xc0; | |
250 | report = report >> 6; | |
251 | switch (report) { | |
252 | case 0x3: | |
253 | rx_pwr_all = -40 - (cck_agc_rpt & 0x3e); | |
254 | break; | |
255 | case 0x2: | |
256 | rx_pwr_all = -20 - (cck_agc_rpt & 0x3e); | |
257 | break; | |
258 | case 0x1: | |
259 | rx_pwr_all = -2 - (cck_agc_rpt & 0x3e); | |
260 | break; | |
261 | case 0x0: | |
262 | rx_pwr_all = 14 - (cck_agc_rpt & 0x3e); | |
263 | break; | |
264 | } | |
265 | } else { | |
266 | u8 cck_agc_rpt = cck_buf->cck_agc_rpt; | |
267 | report = p_drvinfo->cfosho[0] & 0x60; | |
268 | report = report >> 5; | |
269 | switch (report) { | |
270 | case 0x3: | |
271 | rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1); | |
272 | break; | |
273 | case 0x2: | |
274 | rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1); | |
275 | break; | |
276 | case 0x1: | |
277 | rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1); | |
278 | break; | |
279 | case 0x0: | |
280 | rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1); | |
281 | break; | |
282 | } | |
283 | } | |
284 | ||
285 | pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all); | |
286 | ||
287 | /* CCK gain is smaller than OFDM/MCS gain, */ | |
288 | /* so we add gain diff by experiences, the val is 6 */ | |
289 | pwdb_all += 6; | |
290 | if (pwdb_all > 100) | |
291 | pwdb_all = 100; | |
292 | /* modify the offset to make the same gain index with OFDM. */ | |
293 | if (pwdb_all > 34 && pwdb_all <= 42) | |
294 | pwdb_all -= 2; | |
295 | else if (pwdb_all > 26 && pwdb_all <= 34) | |
296 | pwdb_all -= 6; | |
297 | else if (pwdb_all > 14 && pwdb_all <= 26) | |
298 | pwdb_all -= 8; | |
299 | else if (pwdb_all > 4 && pwdb_all <= 14) | |
300 | pwdb_all -= 4; | |
301 | ||
302 | pstats->rx_pwdb_all = pwdb_all; | |
303 | pstats->recvsignalpower = rx_pwr_all; | |
304 | ||
305 | if (packet_match_bssid) { | |
306 | u8 sq; | |
307 | if (pstats->rx_pwdb_all > 40) { | |
308 | sq = 100; | |
309 | } else { | |
310 | sq = cck_buf->sq_rpt; | |
311 | if (sq > 64) | |
312 | sq = 0; | |
313 | else if (sq < 20) | |
314 | sq = 100; | |
315 | else | |
316 | sq = ((64 - sq) * 100) / 44; | |
317 | } | |
318 | ||
319 | pstats->signalquality = sq; | |
320 | pstats->rx_mimo_signalquality[0] = sq; | |
321 | pstats->rx_mimo_signalquality[1] = -1; | |
322 | } | |
323 | } else { | |
324 | rtlpriv->dm.rfpath_rxenable[0] = | |
325 | rtlpriv->dm.rfpath_rxenable[1] = true; | |
326 | for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { | |
327 | if (rtlpriv->dm.rfpath_rxenable[i]) | |
328 | rf_rx_num++; | |
329 | ||
330 | rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & | |
331 | 0x3f) * 2) - 110; | |
332 | rssi = _rtl92s_query_rxpwrpercentage(rx_pwr[i]); | |
333 | total_rssi += rssi; | |
334 | rtlpriv->stats.rx_snr_db[i] = | |
335 | (long)(p_drvinfo->rxsnr[i] / 2); | |
336 | ||
337 | if (packet_match_bssid) | |
338 | pstats->rx_mimo_signalstrength[i] = (u8) rssi; | |
339 | } | |
340 | ||
341 | rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; | |
342 | pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all); | |
343 | pstats->rx_pwdb_all = pwdb_all; | |
344 | pstats->rxpower = rx_pwr_all; | |
345 | pstats->recvsignalpower = rx_pwr_all; | |
346 | ||
347 | if (GET_RX_STATUS_DESC_RX_HT(pdesc) && | |
348 | GET_RX_STATUS_DESC_RX_MCS(pdesc) >= DESC92S_RATEMCS8 && | |
349 | GET_RX_STATUS_DESC_RX_MCS(pdesc) <= DESC92S_RATEMCS15) | |
350 | max_spatial_stream = 2; | |
351 | else | |
352 | max_spatial_stream = 1; | |
353 | ||
354 | for (i = 0; i < max_spatial_stream; i++) { | |
355 | evm = _rtl92s_evm_db_to_percentage(p_drvinfo->rxevm[i]); | |
356 | ||
357 | if (packet_match_bssid) { | |
358 | if (i == 0) | |
359 | pstats->signalquality = (u8)(evm & | |
360 | 0xff); | |
361 | pstats->rx_mimo_signalquality[i] = | |
362 | (u8) (evm & 0xff); | |
363 | } | |
364 | } | |
365 | } | |
366 | ||
367 | if (is_cck_rate) | |
368 | pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw, | |
369 | pwdb_all)); | |
370 | else if (rf_rx_num != 0) | |
371 | pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw, | |
372 | total_rssi /= rf_rx_num)); | |
373 | } | |
374 | ||
375 | static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw, | |
376 | struct rtl_stats *pstats) | |
377 | { | |
378 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
379 | struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
380 | u8 rfpath; | |
381 | u32 last_rssi, tmpval; | |
382 | ||
383 | if (pstats->packet_toself || pstats->packet_beacon) { | |
384 | rtlpriv->stats.rssi_calculate_cnt++; | |
385 | ||
386 | if (rtlpriv->stats.ui_rssi.total_num++ >= | |
387 | PHY_RSSI_SLID_WIN_MAX) { | |
388 | rtlpriv->stats.ui_rssi.total_num = | |
389 | PHY_RSSI_SLID_WIN_MAX; | |
390 | last_rssi = rtlpriv->stats.ui_rssi.elements[ | |
391 | rtlpriv->stats.ui_rssi.index]; | |
392 | rtlpriv->stats.ui_rssi.total_val -= last_rssi; | |
393 | } | |
394 | ||
395 | rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength; | |
396 | rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++] | |
397 | = pstats->signalstrength; | |
398 | ||
399 | if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX) | |
400 | rtlpriv->stats.ui_rssi.index = 0; | |
401 | ||
402 | tmpval = rtlpriv->stats.ui_rssi.total_val / | |
403 | rtlpriv->stats.ui_rssi.total_num; | |
404 | rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw, | |
405 | (u8) tmpval); | |
406 | pstats->rssi = rtlpriv->stats.signal_strength; | |
407 | } | |
408 | ||
409 | if (!pstats->is_cck && pstats->packet_toself) { | |
410 | for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath; | |
411 | rfpath++) { | |
412 | if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) { | |
413 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
414 | pstats->rx_mimo_signalstrength[rfpath]; | |
415 | ||
416 | } | |
417 | ||
418 | if (pstats->rx_mimo_signalstrength[rfpath] > | |
419 | rtlpriv->stats.rx_rssi_percentage[rfpath]) { | |
420 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
421 | ((rtlpriv->stats.rx_rssi_percentage[rfpath] | |
422 | * (RX_SMOOTH_FACTOR - 1)) + | |
423 | (pstats->rx_mimo_signalstrength[rfpath])) / | |
424 | (RX_SMOOTH_FACTOR); | |
425 | ||
426 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
427 | rtlpriv->stats.rx_rssi_percentage[rfpath] | |
428 | + 1; | |
429 | } else { | |
430 | rtlpriv->stats.rx_rssi_percentage[rfpath] = | |
431 | ((rtlpriv->stats.rx_rssi_percentage[rfpath] | |
432 | * (RX_SMOOTH_FACTOR - 1)) + | |
433 | (pstats->rx_mimo_signalstrength[rfpath])) / | |
434 | (RX_SMOOTH_FACTOR); | |
435 | } | |
436 | ||
437 | } | |
438 | } | |
439 | } | |
440 | ||
441 | static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw, | |
442 | struct rtl_stats *pstats) | |
443 | { | |
444 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
445 | int weighting = 0; | |
446 | ||
447 | if (rtlpriv->stats.recv_signal_power == 0) | |
448 | rtlpriv->stats.recv_signal_power = pstats->recvsignalpower; | |
449 | ||
450 | if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power) | |
451 | weighting = 5; | |
452 | else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power) | |
453 | weighting = (-5); | |
454 | ||
455 | rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5 | |
456 | + pstats->recvsignalpower + | |
457 | weighting) / 6; | |
458 | } | |
459 | ||
460 | static void _rtl92se_process_pwdb(struct ieee80211_hw *hw, | |
461 | struct rtl_stats *pstats) | |
462 | { | |
463 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
464 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
465 | long undec_sm_pwdb = 0; | |
466 | ||
467 | if (mac->opmode == NL80211_IFTYPE_ADHOC) { | |
468 | return; | |
469 | } else { | |
470 | undec_sm_pwdb = | |
471 | rtlpriv->dm.undecorated_smoothed_pwdb; | |
472 | } | |
473 | ||
474 | if (pstats->packet_toself || pstats->packet_beacon) { | |
475 | if (undec_sm_pwdb < 0) | |
476 | undec_sm_pwdb = pstats->rx_pwdb_all; | |
477 | ||
478 | if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) { | |
479 | undec_sm_pwdb = | |
480 | (((undec_sm_pwdb) * | |
481 | (RX_SMOOTH_FACTOR - 1)) + | |
482 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); | |
483 | ||
484 | undec_sm_pwdb = undec_sm_pwdb + 1; | |
485 | } else { | |
486 | undec_sm_pwdb = (((undec_sm_pwdb) * | |
487 | (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) / | |
488 | (RX_SMOOTH_FACTOR); | |
489 | } | |
490 | ||
491 | rtlpriv->dm.undecorated_smoothed_pwdb = undec_sm_pwdb; | |
492 | _rtl92se_update_rxsignalstatistics(hw, pstats); | |
493 | } | |
494 | } | |
495 | ||
496 | static void rtl_92s_process_streams(struct ieee80211_hw *hw, | |
497 | struct rtl_stats *pstats) | |
498 | { | |
499 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
500 | u32 stream; | |
501 | ||
502 | for (stream = 0; stream < 2; stream++) { | |
503 | if (pstats->rx_mimo_signalquality[stream] != -1) { | |
504 | if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { | |
505 | rtlpriv->stats.rx_evm_percentage[stream] = | |
506 | pstats->rx_mimo_signalquality[stream]; | |
507 | } | |
508 | ||
509 | rtlpriv->stats.rx_evm_percentage[stream] = | |
510 | ((rtlpriv->stats.rx_evm_percentage[stream] * | |
511 | (RX_SMOOTH_FACTOR - 1)) + | |
512 | (pstats->rx_mimo_signalquality[stream] * | |
513 | 1)) / (RX_SMOOTH_FACTOR); | |
514 | } | |
515 | } | |
516 | } | |
517 | ||
518 | static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw, | |
519 | struct rtl_stats *pstats) | |
520 | { | |
521 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
522 | u32 last_evm = 0, tmpval; | |
523 | ||
524 | if (pstats->signalquality != 0) { | |
525 | if (pstats->packet_toself || pstats->packet_beacon) { | |
526 | ||
527 | if (rtlpriv->stats.ui_link_quality.total_num++ >= | |
528 | PHY_LINKQUALITY_SLID_WIN_MAX) { | |
529 | rtlpriv->stats.ui_link_quality.total_num = | |
530 | PHY_LINKQUALITY_SLID_WIN_MAX; | |
531 | last_evm = | |
532 | rtlpriv->stats.ui_link_quality.elements[ | |
533 | rtlpriv->stats.ui_link_quality.index]; | |
534 | rtlpriv->stats.ui_link_quality.total_val -= | |
535 | last_evm; | |
536 | } | |
537 | ||
538 | rtlpriv->stats.ui_link_quality.total_val += | |
539 | pstats->signalquality; | |
540 | rtlpriv->stats.ui_link_quality.elements[ | |
541 | rtlpriv->stats.ui_link_quality.index++] = | |
542 | pstats->signalquality; | |
543 | ||
544 | if (rtlpriv->stats.ui_link_quality.index >= | |
545 | PHY_LINKQUALITY_SLID_WIN_MAX) | |
546 | rtlpriv->stats.ui_link_quality.index = 0; | |
547 | ||
548 | tmpval = rtlpriv->stats.ui_link_quality.total_val / | |
549 | rtlpriv->stats.ui_link_quality.total_num; | |
550 | rtlpriv->stats.signal_quality = tmpval; | |
551 | ||
552 | rtlpriv->stats.last_sigstrength_inpercent = tmpval; | |
553 | ||
554 | rtl_92s_process_streams(hw, pstats); | |
555 | ||
556 | } | |
557 | } | |
558 | } | |
559 | ||
560 | static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw, | |
561 | u8 *buffer, | |
562 | struct rtl_stats *pcurrent_stats) | |
563 | { | |
564 | ||
565 | if (!pcurrent_stats->packet_matchbssid && | |
566 | !pcurrent_stats->packet_beacon) | |
567 | return; | |
568 | ||
569 | _rtl92se_process_ui_rssi(hw, pcurrent_stats); | |
570 | _rtl92se_process_pwdb(hw, pcurrent_stats); | |
571 | _rtl92se_process_ui_link_quality(hw, pcurrent_stats); | |
572 | } | |
573 | ||
574 | static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw, | |
575 | struct sk_buff *skb, struct rtl_stats *pstats, | |
576 | u8 *pdesc, struct rx_fwinfo *p_drvinfo) | |
577 | { | |
578 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
579 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
580 | ||
581 | struct ieee80211_hdr *hdr; | |
582 | u8 *tmp_buf; | |
583 | u8 *praddr; | |
84f494ce CL |
584 | __le16 fc; |
585 | u16 type, cfc; | |
586 | bool packet_matchbssid, packet_toself, packet_beacon; | |
587 | ||
588 | tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; | |
589 | ||
590 | hdr = (struct ieee80211_hdr *)tmp_buf; | |
591 | fc = hdr->frame_control; | |
592 | cfc = le16_to_cpu(fc); | |
593 | type = WLAN_FC_GET_TYPE(fc); | |
594 | praddr = hdr->addr1; | |
84f494ce CL |
595 | |
596 | packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && | |
597 | (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ? | |
598 | hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ? | |
599 | hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) && | |
600 | (!pstats->crc) && (!pstats->icv)); | |
601 | ||
602 | packet_toself = packet_matchbssid && | |
603 | (!compare_ether_addr(praddr, rtlefuse->dev_addr)); | |
604 | ||
605 | if (ieee80211_is_beacon(fc)) | |
606 | packet_beacon = true; | |
607 | ||
608 | _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, | |
609 | packet_matchbssid, packet_toself, packet_beacon); | |
610 | _rtl92se_process_phyinfo(hw, tmp_buf, pstats); | |
611 | } | |
612 | ||
613 | bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, | |
614 | struct ieee80211_rx_status *rx_status, u8 *pdesc, | |
615 | struct sk_buff *skb) | |
616 | { | |
617 | struct rx_fwinfo *p_drvinfo; | |
618 | u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc); | |
619 | ||
620 | stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc); | |
621 | stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8; | |
622 | stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03); | |
623 | stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc); | |
624 | stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc); | |
625 | stats->hwerror = (u16)(stats->crc | stats->icv); | |
626 | stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc); | |
627 | ||
628 | stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc); | |
629 | stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc); | |
630 | stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1); | |
631 | stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc); | |
632 | stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc); | |
633 | ||
634 | if (stats->hwerror) | |
635 | return false; | |
636 | ||
637 | rx_status->freq = hw->conf.channel->center_freq; | |
638 | rx_status->band = hw->conf.channel->band; | |
639 | ||
640 | if (GET_RX_STATUS_DESC_CRC32(pdesc)) | |
641 | rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; | |
642 | ||
643 | if (!GET_RX_STATUS_DESC_SWDEC(pdesc)) | |
644 | rx_status->flag |= RX_FLAG_DECRYPTED; | |
645 | ||
646 | if (GET_RX_STATUS_DESC_BW(pdesc)) | |
647 | rx_status->flag |= RX_FLAG_40MHZ; | |
648 | ||
649 | if (GET_RX_STATUS_DESC_RX_HT(pdesc)) | |
650 | rx_status->flag |= RX_FLAG_HT; | |
651 | ||
652 | rx_status->flag |= RX_FLAG_MACTIME_MPDU; | |
653 | ||
654 | if (stats->decrypted) | |
655 | rx_status->flag |= RX_FLAG_DECRYPTED; | |
656 | ||
657 | rx_status->rate_idx = _rtl92se_rate_mapping((bool) | |
658 | GET_RX_STATUS_DESC_RX_HT(pdesc), | |
659 | (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc), | |
660 | (bool)GET_RX_STATUS_DESC_PAGGR(pdesc)); | |
661 | ||
662 | ||
663 | rx_status->mactime = GET_RX_STATUS_DESC_TSFL(pdesc); | |
664 | if (phystatus == true) { | |
665 | p_drvinfo = (struct rx_fwinfo *)(skb->data + | |
666 | stats->rx_bufshift); | |
667 | _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc, | |
668 | p_drvinfo); | |
669 | } | |
670 | ||
671 | /*rx_status->qual = stats->signal; */ | |
672 | rx_status->signal = stats->rssi + 10; | |
673 | /*rx_status->noise = -stats->noise; */ | |
674 | ||
675 | return true; | |
676 | } | |
677 | ||
678 | void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, | |
679 | struct ieee80211_hdr *hdr, u8 *pdesc_tx, | |
680 | struct ieee80211_tx_info *info, struct sk_buff *skb, | |
681 | u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) | |
682 | { | |
683 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
684 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
685 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
686 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
687 | struct ieee80211_sta *sta = info->control.sta; | |
688 | u8 *pdesc = (u8 *) pdesc_tx; | |
689 | u16 seq_number; | |
690 | __le16 fc = hdr->frame_control; | |
691 | u8 reserved_macid = 0; | |
692 | u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue); | |
693 | bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG))); | |
694 | bool lastseg = (!(hdr->frame_control & | |
695 | cpu_to_le16(IEEE80211_FCTL_MOREFRAGS))); | |
696 | dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, | |
697 | PCI_DMA_TODEVICE); | |
698 | u8 bw_40 = 0; | |
699 | ||
700 | if (mac->opmode == NL80211_IFTYPE_STATION) { | |
701 | bw_40 = mac->bw_40; | |
702 | } else if (mac->opmode == NL80211_IFTYPE_AP || | |
703 | mac->opmode == NL80211_IFTYPE_ADHOC) { | |
704 | if (sta) | |
705 | bw_40 = sta->ht_cap.cap & | |
706 | IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
707 | } | |
708 | ||
709 | seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; | |
710 | ||
711 | rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); | |
712 | ||
713 | CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S); | |
714 | ||
715 | if (firstseg) { | |
716 | if (rtlpriv->dm.useramask) { | |
717 | /* set txdesc macId */ | |
718 | if (ptcb_desc->mac_id < 32) { | |
719 | SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); | |
720 | reserved_macid |= ptcb_desc->mac_id; | |
721 | } | |
722 | } | |
723 | SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid); | |
724 | ||
725 | SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >= | |
726 | DESC92S_RATEMCS0) ? 1 : 0)); | |
727 | ||
728 | if (rtlhal->version == VERSION_8192S_ACUT) { | |
729 | if (ptcb_desc->hw_rate == DESC92S_RATE1M || | |
730 | ptcb_desc->hw_rate == DESC92S_RATE2M || | |
731 | ptcb_desc->hw_rate == DESC92S_RATE5_5M || | |
732 | ptcb_desc->hw_rate == DESC92S_RATE11M) { | |
733 | ptcb_desc->hw_rate = DESC92S_RATE12M; | |
734 | } | |
735 | } | |
736 | ||
737 | SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); | |
738 | ||
739 | if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) | |
740 | SET_TX_DESC_TX_SHORT(pdesc, 0); | |
741 | ||
742 | /* Aggregation related */ | |
743 | if (info->flags & IEEE80211_TX_CTL_AMPDU) | |
744 | SET_TX_DESC_AGG_ENABLE(pdesc, 1); | |
745 | ||
746 | /* For AMPDU, we must insert SSN into TX_DESC */ | |
747 | SET_TX_DESC_SEQ(pdesc, seq_number); | |
748 | ||
749 | /* Protection mode related */ | |
750 | /* For 92S, if RTS/CTS are set, HW will execute RTS. */ | |
751 | /* We choose only one protection mode to execute */ | |
752 | SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && | |
753 | !ptcb_desc->cts_enable) ? 1 : 0)); | |
754 | SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ? | |
755 | 1 : 0)); | |
756 | SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); | |
757 | ||
758 | SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); | |
759 | SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0); | |
760 | SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc); | |
761 | SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= | |
762 | DESC92S_RATE54M) ? | |
763 | (ptcb_desc->rts_use_shortpreamble ? 1 : 0) | |
764 | : (ptcb_desc->rts_use_shortgi ? 1 : 0))); | |
765 | ||
766 | ||
767 | /* Set Bandwidth and sub-channel settings. */ | |
768 | if (bw_40) { | |
769 | if (ptcb_desc->packet_bw) { | |
770 | SET_TX_DESC_TX_BANDWIDTH(pdesc, 1); | |
771 | /* use duplicated mode */ | |
772 | SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); | |
773 | } else { | |
774 | SET_TX_DESC_TX_BANDWIDTH(pdesc, 0); | |
775 | SET_TX_DESC_TX_SUB_CARRIER(pdesc, | |
776 | mac->cur_40_prime_sc); | |
777 | } | |
778 | } else { | |
779 | SET_TX_DESC_TX_BANDWIDTH(pdesc, 0); | |
780 | SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); | |
781 | } | |
782 | ||
783 | /* 3 Fill necessary field in First Descriptor */ | |
784 | /*DWORD 0*/ | |
785 | SET_TX_DESC_LINIP(pdesc, 0); | |
786 | SET_TX_DESC_OFFSET(pdesc, 32); | |
787 | SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len); | |
788 | ||
789 | /*DWORD 1*/ | |
790 | SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index); | |
791 | ||
792 | /* Fill security related */ | |
793 | if (info->control.hw_key) { | |
794 | struct ieee80211_key_conf *keyconf; | |
795 | ||
796 | keyconf = info->control.hw_key; | |
797 | switch (keyconf->cipher) { | |
798 | case WLAN_CIPHER_SUITE_WEP40: | |
799 | case WLAN_CIPHER_SUITE_WEP104: | |
800 | SET_TX_DESC_SEC_TYPE(pdesc, 0x1); | |
801 | break; | |
802 | case WLAN_CIPHER_SUITE_TKIP: | |
803 | SET_TX_DESC_SEC_TYPE(pdesc, 0x2); | |
804 | break; | |
805 | case WLAN_CIPHER_SUITE_CCMP: | |
806 | SET_TX_DESC_SEC_TYPE(pdesc, 0x3); | |
807 | break; | |
808 | default: | |
809 | SET_TX_DESC_SEC_TYPE(pdesc, 0x0); | |
810 | break; | |
811 | ||
812 | } | |
813 | } | |
814 | ||
815 | /* Set Packet ID */ | |
816 | SET_TX_DESC_PACKET_ID(pdesc, 0); | |
817 | ||
818 | /* We will assign magement queue to BK. */ | |
819 | SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); | |
820 | ||
821 | /* Alwasy enable all rate fallback range */ | |
822 | SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); | |
823 | ||
824 | /* Fix: I don't kown why hw use 6.5M to tx when set it */ | |
825 | SET_TX_DESC_USER_RATE(pdesc, | |
826 | ptcb_desc->use_driver_rate ? 1 : 0); | |
827 | ||
828 | /* Set NON_QOS bit. */ | |
829 | if (!ieee80211_is_data_qos(fc)) | |
830 | SET_TX_DESC_NON_QOS(pdesc, 1); | |
831 | ||
832 | } | |
833 | ||
834 | /* Fill fields that are required to be initialized | |
835 | * in all of the descriptors */ | |
836 | /*DWORD 0 */ | |
837 | SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); | |
838 | SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); | |
839 | ||
840 | /* DWORD 7 */ | |
841 | SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len); | |
842 | ||
843 | /* DOWRD 8 */ | |
844 | SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping)); | |
845 | ||
846 | RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n")); | |
847 | } | |
848 | ||
849 | void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, | |
850 | bool firstseg, bool lastseg, struct sk_buff *skb) | |
851 | { | |
852 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
853 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
854 | struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb); | |
855 | ||
856 | dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, | |
857 | PCI_DMA_TODEVICE); | |
858 | ||
859 | /* Clear all status */ | |
860 | CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S); | |
861 | ||
862 | /* This bit indicate this packet is used for FW download. */ | |
863 | if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) { | |
864 | /* For firmware downlaod we only need to set LINIP */ | |
865 | SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt); | |
866 | ||
867 | /* 92SE must set as 1 for firmware download HW DMA error */ | |
868 | SET_TX_DESC_FIRST_SEG(pdesc, 1); | |
869 | SET_TX_DESC_LAST_SEG(pdesc, 1); | |
870 | ||
871 | /* 92SE need not to set TX packet size when firmware download */ | |
872 | SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len)); | |
873 | SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); | |
874 | SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping)); | |
875 | ||
876 | SET_TX_DESC_OWN(pdesc, 1); | |
877 | } else { /* H2C Command Desc format (Host TXCMD) */ | |
878 | /* 92SE must set as 1 for firmware download HW DMA error */ | |
879 | SET_TX_DESC_FIRST_SEG(pdesc, 1); | |
880 | SET_TX_DESC_LAST_SEG(pdesc, 1); | |
881 | ||
882 | SET_TX_DESC_OFFSET(pdesc, 0x20); | |
883 | ||
884 | /* Buffer size + command header */ | |
885 | SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len)); | |
886 | /* Fixed queue of H2C command */ | |
887 | SET_TX_DESC_QUEUE_SEL(pdesc, 0x13); | |
888 | ||
889 | SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq); | |
890 | ||
891 | SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len)); | |
892 | SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping)); | |
893 | ||
894 | SET_TX_DESC_OWN(pdesc, 1); | |
895 | ||
896 | } | |
897 | } | |
898 | ||
899 | void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) | |
900 | { | |
901 | if (istx == true) { | |
902 | switch (desc_name) { | |
903 | case HW_DESC_OWN: | |
904 | SET_TX_DESC_OWN(pdesc, 1); | |
905 | break; | |
906 | case HW_DESC_TX_NEXTDESC_ADDR: | |
907 | SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); | |
908 | break; | |
909 | default: | |
910 | RT_ASSERT(false, ("ERR txdesc :%d not process\n", | |
911 | desc_name)); | |
912 | break; | |
913 | } | |
914 | } else { | |
915 | switch (desc_name) { | |
916 | case HW_DESC_RXOWN: | |
917 | SET_RX_STATUS_DESC_OWN(pdesc, 1); | |
918 | break; | |
919 | case HW_DESC_RXBUFF_ADDR: | |
920 | SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val); | |
921 | break; | |
922 | case HW_DESC_RXPKT_LEN: | |
923 | SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val); | |
924 | break; | |
925 | case HW_DESC_RXERO: | |
926 | SET_RX_STATUS_DESC_EOR(pdesc, 1); | |
927 | break; | |
928 | default: | |
929 | RT_ASSERT(false, ("ERR rxdesc :%d not process\n", | |
930 | desc_name)); | |
931 | break; | |
932 | } | |
933 | } | |
934 | } | |
935 | ||
936 | u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name) | |
937 | { | |
938 | u32 ret = 0; | |
939 | ||
940 | if (istx == true) { | |
941 | switch (desc_name) { | |
942 | case HW_DESC_OWN: | |
943 | ret = GET_TX_DESC_OWN(desc); | |
944 | break; | |
945 | case HW_DESC_TXBUFF_ADDR: | |
946 | ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc); | |
947 | break; | |
948 | default: | |
949 | RT_ASSERT(false, ("ERR txdesc :%d not process\n", | |
950 | desc_name)); | |
951 | break; | |
952 | } | |
953 | } else { | |
954 | switch (desc_name) { | |
955 | case HW_DESC_OWN: | |
956 | ret = GET_RX_STATUS_DESC_OWN(desc); | |
957 | break; | |
958 | case HW_DESC_RXPKT_LEN: | |
959 | ret = GET_RX_STATUS_DESC_PKT_LEN(desc); | |
960 | break; | |
961 | default: | |
962 | RT_ASSERT(false, ("ERR rxdesc :%d not process\n", | |
963 | desc_name)); | |
964 | break; | |
965 | } | |
966 | } | |
967 | return ret; | |
968 | } | |
969 | ||
970 | void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) | |
971 | { | |
972 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
973 | rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue)); | |
974 | } |