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674f0523 CL |
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 | ||
674f0523 CL |
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 | ||
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 | ||
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 | ||
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 | ||
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_signalquality[0] = -1; | |
136 | pstats->rx_mimo_signalquality[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_signalquality[0] = sq; | |
216 | pstats->rx_mimo_signalquality[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; | |
5b62bb5c LF |
238 | if (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 && |
239 | pdesc->rxmcs <= DESC92_RATEMCS15) | |
674f0523 CL |
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_signalquality[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 | ||
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 | ||
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 | ||
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 | ||
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 undecorated_smoothed_pwdb; | |
349 | ||
350 | if (mac->opmode == NL80211_IFTYPE_ADHOC || | |
351 | mac->opmode == NL80211_IFTYPE_AP) | |
352 | return; | |
353 | else | |
354 | undecorated_smoothed_pwdb = | |
355 | rtlpriv->dm.undecorated_smoothed_pwdb; | |
356 | ||
357 | if (pstats->packet_toself || pstats->packet_beacon) { | |
358 | if (undecorated_smoothed_pwdb < 0) | |
359 | undecorated_smoothed_pwdb = pstats->rx_pwdb_all; | |
360 | if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) { | |
361 | undecorated_smoothed_pwdb = | |
362 | (((undecorated_smoothed_pwdb) * | |
363 | (RX_SMOOTH_FACTOR - 1)) + | |
364 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); | |
365 | undecorated_smoothed_pwdb = | |
366 | undecorated_smoothed_pwdb + 1; | |
367 | } else { | |
368 | undecorated_smoothed_pwdb = | |
369 | (((undecorated_smoothed_pwdb) * | |
370 | (RX_SMOOTH_FACTOR - 1)) + | |
371 | (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR); | |
372 | } | |
373 | rtlpriv->dm.undecorated_smoothed_pwdb = | |
374 | undecorated_smoothed_pwdb; | |
375 | _rtl92de_update_rxsignalstatistics(hw, pstats); | |
376 | } | |
377 | } | |
378 | ||
379 | static void rtl92d_loop_over_streams(struct ieee80211_hw *hw, | |
380 | struct rtl_stats *pstats) | |
381 | { | |
382 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
383 | int stream; | |
384 | ||
385 | for (stream = 0; stream < 2; stream++) { | |
386 | if (pstats->rx_mimo_signalquality[stream] != -1) { | |
387 | if (rtlpriv->stats.rx_evm_percentage[stream] == 0) { | |
388 | rtlpriv->stats.rx_evm_percentage[stream] = | |
389 | pstats->rx_mimo_signalquality[stream]; | |
390 | } | |
391 | rtlpriv->stats.rx_evm_percentage[stream] = | |
392 | ((rtlpriv->stats.rx_evm_percentage[stream] | |
393 | * (RX_SMOOTH_FACTOR - 1)) + | |
394 | (pstats->rx_mimo_signalquality[stream] * 1)) / | |
395 | (RX_SMOOTH_FACTOR); | |
396 | } | |
397 | } | |
398 | } | |
399 | ||
400 | static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw, | |
401 | struct rtl_stats *pstats) | |
402 | { | |
403 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
404 | u32 last_evm, tmpval; | |
405 | ||
406 | if (pstats->signalquality == 0) | |
407 | return; | |
408 | if (pstats->packet_toself || pstats->packet_beacon) { | |
409 | if (rtlpriv->stats.ui_link_quality.total_num++ >= | |
410 | PHY_LINKQUALITY_SLID_WIN_MAX) { | |
411 | rtlpriv->stats.ui_link_quality.total_num = | |
412 | PHY_LINKQUALITY_SLID_WIN_MAX; | |
413 | last_evm = rtlpriv->stats.ui_link_quality.elements[ | |
414 | rtlpriv->stats.ui_link_quality.index]; | |
415 | rtlpriv->stats.ui_link_quality.total_val -= last_evm; | |
416 | } | |
417 | rtlpriv->stats.ui_link_quality.total_val += | |
418 | pstats->signalquality; | |
419 | rtlpriv->stats.ui_link_quality.elements[ | |
420 | rtlpriv->stats.ui_link_quality.index++] = | |
421 | pstats->signalquality; | |
422 | if (rtlpriv->stats.ui_link_quality.index >= | |
423 | PHY_LINKQUALITY_SLID_WIN_MAX) | |
424 | rtlpriv->stats.ui_link_quality.index = 0; | |
425 | tmpval = rtlpriv->stats.ui_link_quality.total_val / | |
426 | rtlpriv->stats.ui_link_quality.total_num; | |
427 | rtlpriv->stats.signal_quality = tmpval; | |
428 | rtlpriv->stats.last_sigstrength_inpercent = tmpval; | |
429 | rtl92d_loop_over_streams(hw, pstats); | |
430 | } | |
431 | } | |
432 | ||
433 | static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw, | |
434 | u8 *buffer, | |
435 | struct rtl_stats *pcurrent_stats) | |
436 | { | |
437 | ||
438 | if (!pcurrent_stats->packet_matchbssid && | |
439 | !pcurrent_stats->packet_beacon) | |
440 | return; | |
441 | ||
442 | _rtl92de_process_ui_rssi(hw, pcurrent_stats); | |
443 | _rtl92de_process_pwdb(hw, pcurrent_stats); | |
444 | _rtl92de_process_ui_link_quality(hw, pcurrent_stats); | |
445 | } | |
446 | ||
447 | static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw, | |
448 | struct sk_buff *skb, | |
449 | struct rtl_stats *pstats, | |
450 | struct rx_desc_92d *pdesc, | |
451 | struct rx_fwinfo_92d *p_drvinfo) | |
452 | { | |
453 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
454 | struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); | |
455 | struct ieee80211_hdr *hdr; | |
456 | u8 *tmp_buf; | |
457 | u8 *praddr; | |
458 | u16 type, cfc; | |
459 | __le16 fc; | |
460 | bool packet_matchbssid, packet_toself, packet_beacon; | |
461 | ||
462 | tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; | |
463 | hdr = (struct ieee80211_hdr *)tmp_buf; | |
464 | fc = hdr->frame_control; | |
465 | cfc = le16_to_cpu(fc); | |
466 | type = WLAN_FC_GET_TYPE(fc); | |
467 | praddr = hdr->addr1; | |
468 | packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && | |
469 | (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ? | |
470 | hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ? | |
471 | hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) && | |
472 | (!pstats->crc) && (!pstats->icv)); | |
473 | packet_toself = packet_matchbssid && | |
474 | (!compare_ether_addr(praddr, rtlefuse->dev_addr)); | |
475 | if (ieee80211_is_beacon(fc)) | |
476 | packet_beacon = true; | |
477 | _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, | |
478 | packet_matchbssid, packet_toself, | |
479 | packet_beacon); | |
480 | _rtl92de_process_phyinfo(hw, tmp_buf, pstats); | |
481 | } | |
482 | ||
483 | bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, | |
484 | struct ieee80211_rx_status *rx_status, | |
485 | u8 *p_desc, struct sk_buff *skb) | |
486 | { | |
487 | struct rx_fwinfo_92d *p_drvinfo; | |
488 | struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc; | |
489 | u32 phystatus = GET_RX_DESC_PHYST(pdesc); | |
490 | ||
491 | stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); | |
492 | stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) * | |
493 | RX_DRV_INFO_SIZE_UNIT; | |
494 | stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); | |
495 | stats->icv = (u16) GET_RX_DESC_ICV(pdesc); | |
496 | stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); | |
497 | stats->hwerror = (stats->crc | stats->icv); | |
498 | stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); | |
499 | stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc); | |
500 | stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); | |
501 | stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); | |
502 | stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) | |
503 | && (GET_RX_DESC_FAGGR(pdesc) == 1)); | |
504 | stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); | |
505 | stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); | |
506 | rx_status->freq = hw->conf.channel->center_freq; | |
507 | rx_status->band = hw->conf.channel->band; | |
508 | if (GET_RX_DESC_CRC32(pdesc)) | |
509 | rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; | |
510 | if (!GET_RX_DESC_SWDEC(pdesc)) | |
511 | rx_status->flag |= RX_FLAG_DECRYPTED; | |
512 | if (GET_RX_DESC_BW(pdesc)) | |
513 | rx_status->flag |= RX_FLAG_40MHZ; | |
514 | if (GET_RX_DESC_RXHT(pdesc)) | |
515 | rx_status->flag |= RX_FLAG_HT; | |
516 | rx_status->flag |= RX_FLAG_MACTIME_MPDU; | |
517 | if (stats->decrypted) | |
518 | rx_status->flag |= RX_FLAG_DECRYPTED; | |
5b62bb5c LF |
519 | rx_status->rate_idx = rtlwifi_rate_mapping(hw, |
520 | (bool)GET_RX_DESC_RXHT(pdesc), | |
521 | (u8)GET_RX_DESC_RXMCS(pdesc), | |
522 | (bool)GET_RX_DESC_PAGGR(pdesc)); | |
674f0523 | 523 | rx_status->mactime = GET_RX_DESC_TSFL(pdesc); |
9928c7d1 | 524 | if (phystatus) { |
674f0523 CL |
525 | p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + |
526 | stats->rx_bufshift); | |
527 | _rtl92de_translate_rx_signal_stuff(hw, | |
528 | skb, stats, pdesc, | |
529 | p_drvinfo); | |
530 | } | |
531 | /*rx_status->qual = stats->signal; */ | |
532 | rx_status->signal = stats->rssi + 10; | |
533 | /*rx_status->noise = -stats->noise; */ | |
534 | return true; | |
535 | } | |
536 | ||
537 | static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc, | |
538 | u8 *virtualaddress) | |
539 | { | |
540 | memset(virtualaddress, 0, 8); | |
541 | ||
542 | SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num); | |
543 | SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]); | |
544 | SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]); | |
545 | SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF); | |
546 | SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4); | |
547 | SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]); | |
548 | SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]); | |
549 | } | |
550 | ||
551 | void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, | |
552 | struct ieee80211_hdr *hdr, u8 *pdesc_tx, | |
553 | struct ieee80211_tx_info *info, struct sk_buff *skb, | |
554 | u8 hw_queue, struct rtl_tcb_desc *ptcb_desc) | |
555 | { | |
556 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
557 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
558 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
559 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
560 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
561 | struct ieee80211_sta *sta = info->control.sta; | |
562 | u8 *pdesc = (u8 *) pdesc_tx; | |
563 | u16 seq_number; | |
564 | __le16 fc = hdr->frame_control; | |
565 | unsigned int buf_len = 0; | |
566 | unsigned int skb_len = skb->len; | |
567 | u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue); | |
568 | bool firstseg = ((hdr->seq_ctrl & | |
569 | cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0); | |
570 | bool lastseg = ((hdr->frame_control & | |
571 | cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0); | |
572 | dma_addr_t mapping; | |
573 | u8 bw_40 = 0; | |
574 | ||
575 | if (mac->opmode == NL80211_IFTYPE_STATION) { | |
576 | bw_40 = mac->bw_40; | |
577 | } else if (mac->opmode == NL80211_IFTYPE_AP || | |
578 | mac->opmode == NL80211_IFTYPE_ADHOC) { | |
579 | if (sta) | |
580 | bw_40 = sta->ht_cap.cap & | |
581 | IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
582 | } | |
583 | seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; | |
584 | rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); | |
585 | /* reserve 8 byte for AMPDU early mode */ | |
586 | if (rtlhal->earlymode_enable) { | |
587 | skb_push(skb, EM_HDR_LEN); | |
588 | memset(skb->data, 0, EM_HDR_LEN); | |
589 | } | |
590 | buf_len = skb->len; | |
591 | mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, | |
592 | PCI_DMA_TODEVICE); | |
593 | CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d)); | |
594 | if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) { | |
595 | firstseg = true; | |
596 | lastseg = true; | |
597 | } | |
598 | if (firstseg) { | |
599 | if (rtlhal->earlymode_enable) { | |
600 | SET_TX_DESC_PKT_OFFSET(pdesc, 1); | |
601 | SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + | |
602 | EM_HDR_LEN); | |
603 | if (ptcb_desc->empkt_num) { | |
604 | RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, | |
f30d7507 JP |
605 | "Insert 8 byte.pTcb->EMPktNum:%d\n", |
606 | ptcb_desc->empkt_num); | |
674f0523 CL |
607 | _rtl92de_insert_emcontent(ptcb_desc, |
608 | (u8 *)(skb->data)); | |
609 | } | |
610 | } else { | |
611 | SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); | |
612 | } | |
613 | /* 5G have no CCK rate */ | |
614 | if (rtlhal->current_bandtype == BAND_ON_5G) | |
5b62bb5c LF |
615 | if (ptcb_desc->hw_rate < DESC92_RATE6M) |
616 | ptcb_desc->hw_rate = DESC92_RATE6M; | |
674f0523 CL |
617 | SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate); |
618 | if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble) | |
619 | SET_TX_DESC_DATA_SHORTGI(pdesc, 1); | |
620 | ||
621 | if (rtlhal->macphymode == DUALMAC_DUALPHY && | |
5b62bb5c | 622 | ptcb_desc->hw_rate == DESC92_RATEMCS7) |
674f0523 CL |
623 | SET_TX_DESC_DATA_SHORTGI(pdesc, 1); |
624 | ||
625 | if (info->flags & IEEE80211_TX_CTL_AMPDU) { | |
626 | SET_TX_DESC_AGG_ENABLE(pdesc, 1); | |
627 | SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14); | |
628 | } | |
629 | SET_TX_DESC_SEQ(pdesc, seq_number); | |
630 | SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable && | |
631 | !ptcb_desc->cts_enable) ? 1 : 0)); | |
632 | SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable | |
633 | || ptcb_desc->cts_enable) ? 1 : 0)); | |
634 | SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0)); | |
635 | SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0)); | |
636 | /* 5G have no CCK rate */ | |
637 | if (rtlhal->current_bandtype == BAND_ON_5G) | |
5b62bb5c LF |
638 | if (ptcb_desc->rts_rate < DESC92_RATE6M) |
639 | ptcb_desc->rts_rate = DESC92_RATE6M; | |
674f0523 CL |
640 | SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate); |
641 | SET_TX_DESC_RTS_BW(pdesc, 0); | |
642 | SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc); | |
643 | SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= | |
5b62bb5c | 644 | DESC92_RATE54M) ? |
674f0523 CL |
645 | (ptcb_desc->rts_use_shortpreamble ? 1 : 0) : |
646 | (ptcb_desc->rts_use_shortgi ? 1 : 0))); | |
647 | if (bw_40) { | |
648 | if (ptcb_desc->packet_bw) { | |
649 | SET_TX_DESC_DATA_BW(pdesc, 1); | |
650 | SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3); | |
651 | } else { | |
652 | SET_TX_DESC_DATA_BW(pdesc, 0); | |
653 | SET_TX_DESC_TX_SUB_CARRIER(pdesc, | |
654 | mac->cur_40_prime_sc); | |
655 | } | |
656 | } else { | |
657 | SET_TX_DESC_DATA_BW(pdesc, 0); | |
658 | SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0); | |
659 | } | |
660 | SET_TX_DESC_LINIP(pdesc, 0); | |
661 | SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len); | |
662 | if (sta) { | |
663 | u8 ampdu_density = sta->ht_cap.ampdu_density; | |
664 | SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density); | |
665 | } | |
666 | if (info->control.hw_key) { | |
667 | struct ieee80211_key_conf *keyconf; | |
668 | ||
669 | keyconf = info->control.hw_key; | |
670 | switch (keyconf->cipher) { | |
671 | case WLAN_CIPHER_SUITE_WEP40: | |
672 | case WLAN_CIPHER_SUITE_WEP104: | |
673 | case WLAN_CIPHER_SUITE_TKIP: | |
674 | SET_TX_DESC_SEC_TYPE(pdesc, 0x1); | |
675 | break; | |
676 | case WLAN_CIPHER_SUITE_CCMP: | |
677 | SET_TX_DESC_SEC_TYPE(pdesc, 0x3); | |
678 | break; | |
679 | default: | |
680 | SET_TX_DESC_SEC_TYPE(pdesc, 0x0); | |
681 | break; | |
682 | ||
683 | } | |
684 | } | |
685 | SET_TX_DESC_PKT_ID(pdesc, 0); | |
686 | SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel); | |
687 | SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F); | |
688 | SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF); | |
689 | SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? | |
690 | 1 : 0); | |
691 | SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0); | |
692 | ||
693 | /* Set TxRate and RTSRate in TxDesc */ | |
694 | /* This prevent Tx initial rate of new-coming packets */ | |
695 | /* from being overwritten by retried packet rate.*/ | |
696 | if (!ptcb_desc->use_driver_rate) { | |
697 | SET_TX_DESC_RTS_RATE(pdesc, 0x08); | |
698 | /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */ | |
699 | } | |
700 | if (ieee80211_is_data_qos(fc)) { | |
701 | if (mac->rdg_en) { | |
702 | RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, | |
f30d7507 | 703 | "Enable RDG function\n"); |
674f0523 CL |
704 | SET_TX_DESC_RDG_ENABLE(pdesc, 1); |
705 | SET_TX_DESC_HTC(pdesc, 1); | |
706 | } | |
707 | } | |
708 | } | |
709 | ||
710 | SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0)); | |
711 | SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0)); | |
712 | SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len); | |
713 | SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); | |
714 | if (rtlpriv->dm.useramask) { | |
715 | SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index); | |
716 | SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id); | |
717 | } else { | |
718 | SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index); | |
719 | SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index); | |
720 | } | |
721 | if (ieee80211_is_data_qos(fc)) | |
722 | SET_TX_DESC_QOS(pdesc, 1); | |
723 | ||
724 | if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) { | |
725 | SET_TX_DESC_HWSEQ_EN(pdesc, 1); | |
726 | SET_TX_DESC_PKT_ID(pdesc, 8); | |
727 | } | |
728 | SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1)); | |
f30d7507 | 729 | RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n"); |
674f0523 CL |
730 | } |
731 | ||
732 | void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, | |
733 | u8 *pdesc, bool firstseg, | |
734 | bool lastseg, struct sk_buff *skb) | |
735 | { | |
736 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
737 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
738 | struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); | |
739 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
740 | u8 fw_queue = QSLT_BEACON; | |
741 | dma_addr_t mapping = pci_map_single(rtlpci->pdev, | |
742 | skb->data, skb->len, PCI_DMA_TODEVICE); | |
743 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); | |
744 | __le16 fc = hdr->frame_control; | |
745 | ||
746 | CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE); | |
747 | if (firstseg) | |
748 | SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN); | |
749 | /* 5G have no CCK rate | |
750 | * Caution: The macros below are multi-line expansions. | |
751 | * The braces are needed no matter what checkpatch says | |
752 | */ | |
753 | if (rtlhal->current_bandtype == BAND_ON_5G) { | |
5b62bb5c | 754 | SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE6M); |
674f0523 | 755 | } else { |
5b62bb5c | 756 | SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M); |
674f0523 CL |
757 | } |
758 | SET_TX_DESC_SEQ(pdesc, 0); | |
759 | SET_TX_DESC_LINIP(pdesc, 0); | |
760 | SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); | |
761 | SET_TX_DESC_FIRST_SEG(pdesc, 1); | |
762 | SET_TX_DESC_LAST_SEG(pdesc, 1); | |
763 | SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len)); | |
764 | SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping); | |
765 | SET_TX_DESC_RATE_ID(pdesc, 7); | |
766 | SET_TX_DESC_MACID(pdesc, 0); | |
767 | SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len)); | |
768 | SET_TX_DESC_FIRST_SEG(pdesc, 1); | |
769 | SET_TX_DESC_LAST_SEG(pdesc, 1); | |
770 | SET_TX_DESC_OFFSET(pdesc, 0x20); | |
771 | SET_TX_DESC_USE_RATE(pdesc, 1); | |
772 | ||
773 | if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) { | |
774 | SET_TX_DESC_HWSEQ_EN(pdesc, 1); | |
775 | SET_TX_DESC_PKT_ID(pdesc, 8); | |
776 | } | |
777 | ||
778 | RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, | |
af08687b | 779 | "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE); |
674f0523 CL |
780 | wmb(); |
781 | SET_TX_DESC_OWN(pdesc, 1); | |
782 | } | |
783 | ||
784 | void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) | |
785 | { | |
9928c7d1 | 786 | if (istx) { |
674f0523 CL |
787 | switch (desc_name) { |
788 | case HW_DESC_OWN: | |
789 | wmb(); | |
790 | SET_TX_DESC_OWN(pdesc, 1); | |
791 | break; | |
792 | case HW_DESC_TX_NEXTDESC_ADDR: | |
793 | SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val); | |
794 | break; | |
795 | default: | |
9d833ed7 JP |
796 | RT_ASSERT(false, "ERR txdesc :%d not process\n", |
797 | desc_name); | |
674f0523 CL |
798 | break; |
799 | } | |
800 | } else { | |
801 | switch (desc_name) { | |
802 | case HW_DESC_RXOWN: | |
803 | wmb(); | |
804 | SET_RX_DESC_OWN(pdesc, 1); | |
805 | break; | |
806 | case HW_DESC_RXBUFF_ADDR: | |
807 | SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val); | |
808 | break; | |
809 | case HW_DESC_RXPKT_LEN: | |
810 | SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val); | |
811 | break; | |
812 | case HW_DESC_RXERO: | |
813 | SET_RX_DESC_EOR(pdesc, 1); | |
814 | break; | |
815 | default: | |
9d833ed7 JP |
816 | RT_ASSERT(false, "ERR rxdesc :%d not process\n", |
817 | desc_name); | |
674f0523 CL |
818 | break; |
819 | } | |
820 | } | |
821 | } | |
822 | ||
823 | u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name) | |
824 | { | |
825 | u32 ret = 0; | |
826 | ||
9928c7d1 | 827 | if (istx) { |
674f0523 CL |
828 | switch (desc_name) { |
829 | case HW_DESC_OWN: | |
830 | ret = GET_TX_DESC_OWN(p_desc); | |
831 | break; | |
832 | case HW_DESC_TXBUFF_ADDR: | |
833 | ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc); | |
834 | break; | |
835 | default: | |
9d833ed7 JP |
836 | RT_ASSERT(false, "ERR txdesc :%d not process\n", |
837 | desc_name); | |
674f0523 CL |
838 | break; |
839 | } | |
840 | } else { | |
841 | struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc; | |
842 | switch (desc_name) { | |
843 | case HW_DESC_OWN: | |
844 | ret = GET_RX_DESC_OWN(pdesc); | |
845 | break; | |
846 | case HW_DESC_RXPKT_LEN: | |
847 | ret = GET_RX_DESC_PKT_LEN(pdesc); | |
848 | break; | |
849 | default: | |
9d833ed7 JP |
850 | RT_ASSERT(false, "ERR rxdesc :%d not process\n", |
851 | desc_name); | |
674f0523 CL |
852 | break; |
853 | } | |
854 | } | |
855 | return ret; | |
856 | } | |
857 | ||
858 | void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue) | |
859 | { | |
860 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
861 | if (hw_queue == BEACON_QUEUE) | |
862 | rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4)); | |
863 | else | |
864 | rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, | |
865 | BIT(0) << (hw_queue)); | |
866 | } |