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Merge tag 'v4.6-rc1' into for-linus-4.6
[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192de / trx.c
CommitLineData
674f0523
CL		 1/******************************************************************************
2 *
6a57b08e 3 * Copyright(c) 2009-2012 Realtek Corporation.
674f0523
CL		 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
39static 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		 51static 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
61static 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
76static 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
86static 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
113static 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
5c99f04f 130 is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
674f0523
CL		 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;
da17fcff
LF		 135 pstats->rx_mimo_sig_qual[0] = -1;
136 pstats->rx_mimo_sig_qual[1] = -1;
674f0523
CL		 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;
da17fcff
LF		 215 pstats->rx_mimo_sig_qual[0] = sq;
216 pstats->rx_mimo_sig_qual[1] = -1;
674f0523
CL		 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;
e0e776a3
LF		 238 if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 &&
239 pdesc->rxmcs <= DESC_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);
da17fcff 249 pstats->rx_mimo_sig_qual[i] =
674f0523
CL		 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
262static 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
295static 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
327static 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
343static 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));
da17fcff 348 long undec_sm_pwdb;
674f0523
CL		 349
350 if (mac->opmode == NL80211_IFTYPE_ADHOC ||
351 mac->opmode == NL80211_IFTYPE_AP)
352 return;
353 else
da17fcff 354 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
674f0523
CL		 355
356 if (pstats->packet_toself || pstats->packet_beacon) {
da17fcff
LF		 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) *
674f0523
CL		 361 (RX_SMOOTH_FACTOR - 1)) +
362 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
da17fcff 363 undec_sm_pwdb = undec_sm_pwdb + 1;
674f0523 364 } else {
da17fcff 365 undec_sm_pwdb = (((undec_sm_pwdb) *
674f0523
CL		 366 (RX_SMOOTH_FACTOR - 1)) +
367 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
368 }
da17fcff 369 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
674f0523
CL		 370 _rtl92de_update_rxsignalstatistics(hw, pstats);
371 }
372}
373
374static 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++) {
da17fcff 381 if (pstats->rx_mimo_sig_qual[stream] != -1) {
674f0523
CL		 382 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
383 rtlpriv->stats.rx_evm_percentage[stream] =
da17fcff 384 pstats->rx_mimo_sig_qual[stream];
674f0523
CL		 385 }
386 rtlpriv->stats.rx_evm_percentage[stream] =
387 ((rtlpriv->stats.rx_evm_percentage[stream]
388 * (RX_SMOOTH_FACTOR - 1)) +
da17fcff 389 (pstats->rx_mimo_sig_qual[stream] * 1)) /
674f0523
CL		 390 (RX_SMOOTH_FACTOR);
391 }
392 }
393}
394
395static 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
428static 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
442static 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;
eee569e4 455 bool packet_matchbssid, packet_toself, packet_beacon = false;
674f0523
CL		 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) &&
2e42e474
JP		 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));
674f0523 469 packet_toself = packet_matchbssid &&
2e42e474 470 ether_addr_equal(praddr, rtlefuse->dev_addr);
674f0523
CL		 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
479bool 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);
a160ba06 502 stats->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
675a0b04
KB		 503 rx_status->freq = hw->conf.chandef.chan->center_freq;
504 rx_status->band = hw->conf.chandef.chan->band;
674f0523
CL		 505 if (GET_RX_DESC_CRC32(pdesc))
506 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
507 if (!GET_RX_DESC_SWDEC(pdesc))
508 rx_status->flag |= RX_FLAG_DECRYPTED;
509 if (GET_RX_DESC_BW(pdesc))
510 rx_status->flag |= RX_FLAG_40MHZ;
511 if (GET_RX_DESC_RXHT(pdesc))
512 rx_status->flag |= RX_FLAG_HT;
f4bda337 513 rx_status->flag |= RX_FLAG_MACTIME_START;
674f0523
CL		 514 if (stats->decrypted)
515 rx_status->flag |= RX_FLAG_DECRYPTED;
a160ba06 516 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
fd3cb22a 517 false, stats->rate);
674f0523 518 rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
9928c7d1 519 if (phystatus) {
674f0523
CL		 520 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
521 stats->rx_bufshift);
522 _rtl92de_translate_rx_signal_stuff(hw,
523 skb, stats, pdesc,
524 p_drvinfo);
525 }
526 /*rx_status->qual = stats->signal; */
3545f3d5 527 rx_status->signal = stats->recvsignalpower + 10;
674f0523
CL		 528 return true;
529}
530
531static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
532 u8 *virtualaddress)
533{
534 memset(virtualaddress, 0, 8);
535
536 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
537 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
538 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
539 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
540 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
541 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
542 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
543}
544
545void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
546 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
f3355dd9 547 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
36323f81
TH		 548 struct ieee80211_sta *sta,
549 struct sk_buff *skb,
674f0523
CL		 550 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
551{
552 struct rtl_priv *rtlpriv = rtl_priv(hw);
553 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
554 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
555 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
556 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2c208890 557 u8 *pdesc = pdesc_tx;
674f0523
CL		 558 u16 seq_number;
559 __le16 fc = hdr->frame_control;
560 unsigned int buf_len = 0;
561 unsigned int skb_len = skb->len;
562 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
563 bool firstseg = ((hdr->seq_ctrl &
564 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
565 bool lastseg = ((hdr->frame_control &
566 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
567 dma_addr_t mapping;
568 u8 bw_40 = 0;
569
570 if (mac->opmode == NL80211_IFTYPE_STATION) {
571 bw_40 = mac->bw_40;
572 } else if (mac->opmode == NL80211_IFTYPE_AP ||
573 mac->opmode == NL80211_IFTYPE_ADHOC) {
574 if (sta)
e1a0c6b3 575 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
674f0523
CL		 576 }
577 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
578 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
579 /* reserve 8 byte for AMPDU early mode */
580 if (rtlhal->earlymode_enable) {
581 skb_push(skb, EM_HDR_LEN);
582 memset(skb->data, 0, EM_HDR_LEN);
583 }
584 buf_len = skb->len;
585 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
586 PCI_DMA_TODEVICE);
708b70ff
LF		 587 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
588 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
589 "DMA mapping error");
590 return;
591 }
674f0523
CL		 592 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
593 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
594 firstseg = true;
595 lastseg = true;
596 }
597 if (firstseg) {
598 if (rtlhal->earlymode_enable) {
599 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
600 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
601 EM_HDR_LEN);
602 if (ptcb_desc->empkt_num) {
603 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
f30d7507
JP		 604 "Insert 8 byte.pTcb->EMPktNum:%d\n",
605 ptcb_desc->empkt_num);
674f0523
CL		 606 _rtl92de_insert_emcontent(ptcb_desc,
607 (u8 *)(skb->data));
608 }
609 } else {
610 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
611 }
612 /* 5G have no CCK rate */
613 if (rtlhal->current_bandtype == BAND_ON_5G)
e0e776a3
LF		 614 if (ptcb_desc->hw_rate < DESC_RATE6M)
615 ptcb_desc->hw_rate = DESC_RATE6M;
674f0523
CL		 616 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
617 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
618 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
619
620 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
e0e776a3 621 ptcb_desc->hw_rate == DESC_RATEMCS7)
674f0523
CL		 622 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
623
624 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
625 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
626 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
627 }
628 SET_TX_DESC_SEQ(pdesc, seq_number);
629 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
630 !ptcb_desc->cts_enable) ? 1 : 0));
631 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
632 || ptcb_desc->cts_enable) ? 1 : 0));
633 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
634 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
635 /* 5G have no CCK rate */
636 if (rtlhal->current_bandtype == BAND_ON_5G)
e0e776a3
LF		 637 if (ptcb_desc->rts_rate < DESC_RATE6M)
638 ptcb_desc->rts_rate = DESC_RATE6M;
674f0523
CL		 639 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
640 SET_TX_DESC_RTS_BW(pdesc, 0);
641 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
642 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
e0e776a3 643 DESC_RATE54M) ?
674f0523
CL		 644 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
645 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
646 if (bw_40) {
647 if (ptcb_desc->packet_bw) {
648 SET_TX_DESC_DATA_BW(pdesc, 1);
649 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
650 } else {
651 SET_TX_DESC_DATA_BW(pdesc, 0);
652 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
653 mac->cur_40_prime_sc);
654 }
655 } else {
656 SET_TX_DESC_DATA_BW(pdesc, 0);
657 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
658 }
659 SET_TX_DESC_LINIP(pdesc, 0);
660 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
661 if (sta) {
662 u8 ampdu_density = sta->ht_cap.ampdu_density;
663 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
664 }
665 if (info->control.hw_key) {
666 struct ieee80211_key_conf *keyconf;
667
668 keyconf = info->control.hw_key;
669 switch (keyconf->cipher) {
670 case WLAN_CIPHER_SUITE_WEP40:
671 case WLAN_CIPHER_SUITE_WEP104:
672 case WLAN_CIPHER_SUITE_TKIP:
673 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
674 break;
675 case WLAN_CIPHER_SUITE_CCMP:
676 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
677 break;
678 default:
679 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
680 break;
681
682 }
683 }
684 SET_TX_DESC_PKT_ID(pdesc, 0);
685 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
686 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
687 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
688 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
689 1 : 0);
690 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
691
692 /* Set TxRate and RTSRate in TxDesc */
693 /* This prevent Tx initial rate of new-coming packets */
694 /* from being overwritten by retried packet rate.*/
695 if (!ptcb_desc->use_driver_rate) {
696 SET_TX_DESC_RTS_RATE(pdesc, 0x08);
697 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
698 }
699 if (ieee80211_is_data_qos(fc)) {
700 if (mac->rdg_en) {
701 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
f30d7507 702 "Enable RDG function\n");
674f0523
CL		 703 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
704 SET_TX_DESC_HTC(pdesc, 1);
705 }
706 }
707 }
708
709 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
710 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
711 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
712 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
713 if (rtlpriv->dm.useramask) {
714 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
715 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
716 } else {
717 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
718 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
719 }
720 if (ieee80211_is_data_qos(fc))
721 SET_TX_DESC_QOS(pdesc, 1);
722
723 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
724 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
725 SET_TX_DESC_PKT_ID(pdesc, 8);
726 }
727 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
f30d7507 728 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
674f0523
CL		 729}
730
731void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
732 u8 *pdesc, bool firstseg,
733 bool lastseg, struct sk_buff *skb)
734{
735 struct rtl_priv *rtlpriv = rtl_priv(hw);
736 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
737 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
738 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
739 u8 fw_queue = QSLT_BEACON;
740 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
741 skb->data, skb->len, PCI_DMA_TODEVICE);
742 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
743 __le16 fc = hdr->frame_control;
744
708b70ff
LF		 745 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
746 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
747 "DMA mapping error");
748 return;
749 }
674f0523
CL		 750 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
751 if (firstseg)
752 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
753 /* 5G have no CCK rate
754 * Caution: The macros below are multi-line expansions.
755 * The braces are needed no matter what checkpatch says
756 */
757 if (rtlhal->current_bandtype == BAND_ON_5G) {
e0e776a3 758 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE6M);
674f0523 759 } else {
e0e776a3 760 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
674f0523
CL		 761 }
762 SET_TX_DESC_SEQ(pdesc, 0);
763 SET_TX_DESC_LINIP(pdesc, 0);
764 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
765 SET_TX_DESC_FIRST_SEG(pdesc, 1);
766 SET_TX_DESC_LAST_SEG(pdesc, 1);
2c208890 767 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len);
674f0523
CL		 768 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
769 SET_TX_DESC_RATE_ID(pdesc, 7);
770 SET_TX_DESC_MACID(pdesc, 0);
2c208890 771 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
674f0523
CL		 772 SET_TX_DESC_FIRST_SEG(pdesc, 1);
773 SET_TX_DESC_LAST_SEG(pdesc, 1);
774 SET_TX_DESC_OFFSET(pdesc, 0x20);
775 SET_TX_DESC_USE_RATE(pdesc, 1);
776
777 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
778 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
779 SET_TX_DESC_PKT_ID(pdesc, 8);
780 }
781
782 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
af08687b 783 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
674f0523
CL		 784 wmb();
785 SET_TX_DESC_OWN(pdesc, 1);
786}
787
f3355dd9
LF		 788void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
789 u8 desc_name, u8 *val)
674f0523 790{
9928c7d1 791 if (istx) {
674f0523
CL		 792 switch (desc_name) {
793 case HW_DESC_OWN:
794 wmb();
795 SET_TX_DESC_OWN(pdesc, 1);
796 break;
797 case HW_DESC_TX_NEXTDESC_ADDR:
798 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
799 break;
800 default:
9d833ed7
JP		 801 RT_ASSERT(false, "ERR txdesc :%d not process\n",
802 desc_name);
674f0523
CL		 803 break;
804 }
805 } else {
806 switch (desc_name) {
807 case HW_DESC_RXOWN:
808 wmb();
809 SET_RX_DESC_OWN(pdesc, 1);
810 break;
811 case HW_DESC_RXBUFF_ADDR:
812 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
813 break;
814 case HW_DESC_RXPKT_LEN:
815 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
816 break;
817 case HW_DESC_RXERO:
818 SET_RX_DESC_EOR(pdesc, 1);
819 break;
820 default:
9d833ed7
JP		 821 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
822 desc_name);
674f0523
CL		 823 break;
824 }
825 }
826}
827
828u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
829{
830 u32 ret = 0;
831
9928c7d1 832 if (istx) {
674f0523
CL		 833 switch (desc_name) {
834 case HW_DESC_OWN:
835 ret = GET_TX_DESC_OWN(p_desc);
836 break;
837 case HW_DESC_TXBUFF_ADDR:
838 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
839 break;
840 default:
9d833ed7
JP		 841 RT_ASSERT(false, "ERR txdesc :%d not process\n",
842 desc_name);
674f0523
CL		 843 break;
844 }
845 } else {
846 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
847 switch (desc_name) {
848 case HW_DESC_OWN:
849 ret = GET_RX_DESC_OWN(pdesc);
850 break;
851 case HW_DESC_RXPKT_LEN:
852 ret = GET_RX_DESC_PKT_LEN(pdesc);
853 break;
854 default:
9d833ed7
JP		 855 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
856 desc_name);
674f0523
CL		 857 break;
858 }
859 }
860 return ret;
861}
862
863void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
864{
865 struct rtl_priv *rtlpriv = rtl_priv(hw);
866 if (hw_queue == BEACON_QUEUE)
867 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
868 else
869 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
870 BIT(0) << (hw_queue));
871}
Linux kernel - Deliverables
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