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wireless: Remove casts to same type
[deliverable/linux.git] / drivers / net / wireless / 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
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
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));
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
379static 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
400static 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
433static 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
447static 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) &&
2e42e474
JP		 469 ether_addr_equal(mac->bssid,
470 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
471 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
472 hdr->addr3) &&
473 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
674f0523 474 packet_toself = packet_matchbssid &&
2e42e474 475 ether_addr_equal(praddr, rtlefuse->dev_addr);
674f0523
CL		 476 if (ieee80211_is_beacon(fc))
477 packet_beacon = true;
478 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
479 packet_matchbssid, packet_toself,
480 packet_beacon);
481 _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
482}
483
484bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
485 struct ieee80211_rx_status *rx_status,
486 u8 *p_desc, struct sk_buff *skb)
487{
488 struct rx_fwinfo_92d *p_drvinfo;
489 struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc;
490 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
491
492 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
493 stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
494 RX_DRV_INFO_SIZE_UNIT;
495 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
496 stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
497 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
498 stats->hwerror = (stats->crc | stats->icv);
499 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
500 stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
501 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
502 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
503 stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
504 && (GET_RX_DESC_FAGGR(pdesc) == 1));
505 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
506 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
507 rx_status->freq = hw->conf.channel->center_freq;
508 rx_status->band = hw->conf.channel->band;
509 if (GET_RX_DESC_CRC32(pdesc))
510 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
511 if (!GET_RX_DESC_SWDEC(pdesc))
512 rx_status->flag |= RX_FLAG_DECRYPTED;
513 if (GET_RX_DESC_BW(pdesc))
514 rx_status->flag |= RX_FLAG_40MHZ;
515 if (GET_RX_DESC_RXHT(pdesc))
516 rx_status->flag |= RX_FLAG_HT;
517 rx_status->flag |= RX_FLAG_MACTIME_MPDU;
518 if (stats->decrypted)
519 rx_status->flag |= RX_FLAG_DECRYPTED;
5b62bb5c
LF		 520 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
521 (bool)GET_RX_DESC_RXHT(pdesc),
522 (u8)GET_RX_DESC_RXMCS(pdesc),
523 (bool)GET_RX_DESC_PAGGR(pdesc));
674f0523 524 rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
9928c7d1 525 if (phystatus) {
674f0523
CL		 526 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
527 stats->rx_bufshift);
528 _rtl92de_translate_rx_signal_stuff(hw,
529 skb, stats, pdesc,
530 p_drvinfo);
531 }
532 /*rx_status->qual = stats->signal; */
533 rx_status->signal = stats->rssi + 10;
534 /*rx_status->noise = -stats->noise; */
535 return true;
536}
537
538static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
539 u8 *virtualaddress)
540{
541 memset(virtualaddress, 0, 8);
542
543 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
544 SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
545 SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
546 SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
547 SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
548 SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
549 SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
550}
551
552void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
553 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
554 struct ieee80211_tx_info *info, struct sk_buff *skb,
555 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
556{
557 struct rtl_priv *rtlpriv = rtl_priv(hw);
558 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
559 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
560 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
561 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
562 struct ieee80211_sta *sta = info->control.sta;
2c208890 563 u8 *pdesc = pdesc_tx;
674f0523
CL		 564 u16 seq_number;
565 __le16 fc = hdr->frame_control;
566 unsigned int buf_len = 0;
567 unsigned int skb_len = skb->len;
568 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
569 bool firstseg = ((hdr->seq_ctrl &
570 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
571 bool lastseg = ((hdr->frame_control &
572 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
573 dma_addr_t mapping;
574 u8 bw_40 = 0;
575
576 if (mac->opmode == NL80211_IFTYPE_STATION) {
577 bw_40 = mac->bw_40;
578 } else if (mac->opmode == NL80211_IFTYPE_AP ||
579 mac->opmode == NL80211_IFTYPE_ADHOC) {
580 if (sta)
581 bw_40 = sta->ht_cap.cap &
582 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
583 }
584 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
585 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
586 /* reserve 8 byte for AMPDU early mode */
587 if (rtlhal->earlymode_enable) {
588 skb_push(skb, EM_HDR_LEN);
589 memset(skb->data, 0, EM_HDR_LEN);
590 }
591 buf_len = skb->len;
592 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
593 PCI_DMA_TODEVICE);
594 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
595 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
596 firstseg = true;
597 lastseg = true;
598 }
599 if (firstseg) {
600 if (rtlhal->earlymode_enable) {
601 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
602 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
603 EM_HDR_LEN);
604 if (ptcb_desc->empkt_num) {
605 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
f30d7507
JP		 606 "Insert 8 byte.pTcb->EMPktNum:%d\n",
607 ptcb_desc->empkt_num);
674f0523
CL		 608 _rtl92de_insert_emcontent(ptcb_desc,
609 (u8 *)(skb->data));
610 }
611 } else {
612 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
613 }
614 /* 5G have no CCK rate */
615 if (rtlhal->current_bandtype == BAND_ON_5G)
5b62bb5c
LF		 616 if (ptcb_desc->hw_rate < DESC92_RATE6M)
617 ptcb_desc->hw_rate = DESC92_RATE6M;
674f0523
CL		 618 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
619 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
620 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
621
622 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
5b62bb5c 623 ptcb_desc->hw_rate == DESC92_RATEMCS7)
674f0523
CL		 624 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
625
626 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
627 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
628 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
629 }
630 SET_TX_DESC_SEQ(pdesc, seq_number);
631 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
632 !ptcb_desc->cts_enable) ? 1 : 0));
633 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
634 || ptcb_desc->cts_enable) ? 1 : 0));
635 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
636 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
637 /* 5G have no CCK rate */
638 if (rtlhal->current_bandtype == BAND_ON_5G)
5b62bb5c
LF		 639 if (ptcb_desc->rts_rate < DESC92_RATE6M)
640 ptcb_desc->rts_rate = DESC92_RATE6M;
674f0523
CL		 641 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
642 SET_TX_DESC_RTS_BW(pdesc, 0);
643 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
644 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
5b62bb5c 645 DESC92_RATE54M) ?
674f0523
CL		 646 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
647 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
648 if (bw_40) {
649 if (ptcb_desc->packet_bw) {
650 SET_TX_DESC_DATA_BW(pdesc, 1);
651 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
652 } else {
653 SET_TX_DESC_DATA_BW(pdesc, 0);
654 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
655 mac->cur_40_prime_sc);
656 }
657 } else {
658 SET_TX_DESC_DATA_BW(pdesc, 0);
659 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
660 }
661 SET_TX_DESC_LINIP(pdesc, 0);
662 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
663 if (sta) {
664 u8 ampdu_density = sta->ht_cap.ampdu_density;
665 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
666 }
667 if (info->control.hw_key) {
668 struct ieee80211_key_conf *keyconf;
669
670 keyconf = info->control.hw_key;
671 switch (keyconf->cipher) {
672 case WLAN_CIPHER_SUITE_WEP40:
673 case WLAN_CIPHER_SUITE_WEP104:
674 case WLAN_CIPHER_SUITE_TKIP:
675 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
676 break;
677 case WLAN_CIPHER_SUITE_CCMP:
678 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
679 break;
680 default:
681 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
682 break;
683
684 }
685 }
686 SET_TX_DESC_PKT_ID(pdesc, 0);
687 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
688 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
689 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
690 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
691 1 : 0);
692 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
693
694 /* Set TxRate and RTSRate in TxDesc */
695 /* This prevent Tx initial rate of new-coming packets */
696 /* from being overwritten by retried packet rate.*/
697 if (!ptcb_desc->use_driver_rate) {
698 SET_TX_DESC_RTS_RATE(pdesc, 0x08);
699 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
700 }
701 if (ieee80211_is_data_qos(fc)) {
702 if (mac->rdg_en) {
703 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
f30d7507 704 "Enable RDG function\n");
674f0523
CL		 705 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
706 SET_TX_DESC_HTC(pdesc, 1);
707 }
708 }
709 }
710
711 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
712 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
713 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
714 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
715 if (rtlpriv->dm.useramask) {
716 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
717 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
718 } else {
719 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
720 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
721 }
722 if (ieee80211_is_data_qos(fc))
723 SET_TX_DESC_QOS(pdesc, 1);
724
725 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
726 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
727 SET_TX_DESC_PKT_ID(pdesc, 8);
728 }
729 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
f30d7507 730 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
674f0523
CL		 731}
732
733void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
734 u8 *pdesc, bool firstseg,
735 bool lastseg, struct sk_buff *skb)
736{
737 struct rtl_priv *rtlpriv = rtl_priv(hw);
738 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
739 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
740 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
741 u8 fw_queue = QSLT_BEACON;
742 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
743 skb->data, skb->len, PCI_DMA_TODEVICE);
744 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
745 __le16 fc = hdr->frame_control;
746
747 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
748 if (firstseg)
749 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
750 /* 5G have no CCK rate
751 * Caution: The macros below are multi-line expansions.
752 * The braces are needed no matter what checkpatch says
753 */
754 if (rtlhal->current_bandtype == BAND_ON_5G) {
5b62bb5c 755 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE6M);
674f0523 756 } else {
5b62bb5c 757 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
674f0523
CL		 758 }
759 SET_TX_DESC_SEQ(pdesc, 0);
760 SET_TX_DESC_LINIP(pdesc, 0);
761 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
762 SET_TX_DESC_FIRST_SEG(pdesc, 1);
763 SET_TX_DESC_LAST_SEG(pdesc, 1);
2c208890 764 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)skb->len);
674f0523
CL		 765 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
766 SET_TX_DESC_RATE_ID(pdesc, 7);
767 SET_TX_DESC_MACID(pdesc, 0);
2c208890 768 SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
674f0523
CL		 769 SET_TX_DESC_FIRST_SEG(pdesc, 1);
770 SET_TX_DESC_LAST_SEG(pdesc, 1);
771 SET_TX_DESC_OFFSET(pdesc, 0x20);
772 SET_TX_DESC_USE_RATE(pdesc, 1);
773
774 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
775 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
776 SET_TX_DESC_PKT_ID(pdesc, 8);
777 }
778
779 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
af08687b 780 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
674f0523
CL		 781 wmb();
782 SET_TX_DESC_OWN(pdesc, 1);
783}
784
785void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
786{
9928c7d1 787 if (istx) {
674f0523
CL		 788 switch (desc_name) {
789 case HW_DESC_OWN:
790 wmb();
791 SET_TX_DESC_OWN(pdesc, 1);
792 break;
793 case HW_DESC_TX_NEXTDESC_ADDR:
794 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
795 break;
796 default:
9d833ed7
JP		 797 RT_ASSERT(false, "ERR txdesc :%d not process\n",
798 desc_name);
674f0523
CL		 799 break;
800 }
801 } else {
802 switch (desc_name) {
803 case HW_DESC_RXOWN:
804 wmb();
805 SET_RX_DESC_OWN(pdesc, 1);
806 break;
807 case HW_DESC_RXBUFF_ADDR:
808 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
809 break;
810 case HW_DESC_RXPKT_LEN:
811 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
812 break;
813 case HW_DESC_RXERO:
814 SET_RX_DESC_EOR(pdesc, 1);
815 break;
816 default:
9d833ed7
JP		 817 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
818 desc_name);
674f0523
CL		 819 break;
820 }
821 }
822}
823
824u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
825{
826 u32 ret = 0;
827
9928c7d1 828 if (istx) {
674f0523
CL		 829 switch (desc_name) {
830 case HW_DESC_OWN:
831 ret = GET_TX_DESC_OWN(p_desc);
832 break;
833 case HW_DESC_TXBUFF_ADDR:
834 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
835 break;
836 default:
9d833ed7
JP		 837 RT_ASSERT(false, "ERR txdesc :%d not process\n",
838 desc_name);
674f0523
CL		 839 break;
840 }
841 } else {
842 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
843 switch (desc_name) {
844 case HW_DESC_OWN:
845 ret = GET_RX_DESC_OWN(pdesc);
846 break;
847 case HW_DESC_RXPKT_LEN:
848 ret = GET_RX_DESC_PKT_LEN(pdesc);
849 break;
850 default:
9d833ed7
JP		 851 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
852 desc_name);
674f0523
CL		 853 break;
854 }
855 }
856 return ret;
857}
858
859void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
860{
861 struct rtl_priv *rtlpriv = rtl_priv(hw);
862 if (hw_queue == BEACON_QUEUE)
863 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
864 else
865 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
866 BIT(0) << (hw_queue));
867}
Linux kernel - Deliverables
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