1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../pci.h"
6 #include "../base.h"
7 #include "../stats.h"
8 #include "reg.h"
9 #include "def.h"
10 #include "phy.h"
11 #include "trx.h"
12 #include "led.h"
13
_rtl92de_map_hwqueue_to_fwqueue(struct sk_buff * skb,u8 hw_queue)14 static u8 _rtl92de_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
15 {
16 __le16 fc = rtl_get_fc(skb);
17
18 if (unlikely(ieee80211_is_beacon(fc)))
19 return QSLT_BEACON;
20 if (ieee80211_is_mgmt(fc))
21 return QSLT_MGNT;
22
23 return skb->priority;
24 }
25
_rtl92de_translate_todbm(struct ieee80211_hw * hw,u8 signal_strength_index)26 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw,
27 u8 signal_strength_index)
28 {
29 long signal_power;
30
31 signal_power = (long)((signal_strength_index + 1) >> 1);
32 signal_power -= 95;
33 return signal_power;
34 }
35
_rtl92de_query_rxphystatus(struct ieee80211_hw * hw,struct rtl_stats * pstats,__le32 * pdesc,struct rx_fwinfo_92d * p_drvinfo,bool packet_match_bssid,bool packet_toself,bool packet_beacon)36 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
37 struct rtl_stats *pstats,
38 __le32 *pdesc,
39 struct rx_fwinfo_92d *p_drvinfo,
40 bool packet_match_bssid,
41 bool packet_toself,
42 bool packet_beacon)
43 {
44 struct rtl_priv *rtlpriv = rtl_priv(hw);
45 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
46 struct phy_sts_cck_8192d *cck_buf;
47 s8 rx_pwr_all, rx_pwr[4];
48 u8 rf_rx_num = 0, evm, pwdb_all;
49 u8 i, max_spatial_stream;
50 u32 rssi, total_rssi = 0;
51 bool is_cck_rate;
52 u8 rxmcs;
53
54 rxmcs = get_rx_desc_rxmcs(pdesc);
55 is_cck_rate = rxmcs <= DESC_RATE11M;
56 pstats->packet_matchbssid = packet_match_bssid;
57 pstats->packet_toself = packet_toself;
58 pstats->packet_beacon = packet_beacon;
59 pstats->is_cck = is_cck_rate;
60 pstats->rx_mimo_sig_qual[0] = -1;
61 pstats->rx_mimo_sig_qual[1] = -1;
62
63 if (is_cck_rate) {
64 u8 report, cck_highpwr;
65 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
66 if (ppsc->rfpwr_state == ERFON)
67 cck_highpwr = (u8) rtl_get_bbreg(hw,
68 RFPGA0_XA_HSSIPARAMETER2,
69 BIT(9));
70 else
71 cck_highpwr = false;
72 if (!cck_highpwr) {
73 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
74 report = cck_buf->cck_agc_rpt & 0xc0;
75 report = report >> 6;
76 switch (report) {
77 case 0x3:
78 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
79 break;
80 case 0x2:
81 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
82 break;
83 case 0x1:
84 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
85 break;
86 case 0x0:
87 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
88 break;
89 }
90 } else {
91 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
92 report = p_drvinfo->cfosho[0] & 0x60;
93 report = report >> 5;
94 switch (report) {
95 case 0x3:
96 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
97 break;
98 case 0x2:
99 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
100 break;
101 case 0x1:
102 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
103 break;
104 case 0x0:
105 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
106 break;
107 }
108 }
109 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
110 /* CCK gain is smaller than OFDM/MCS gain, */
111 /* so we add gain diff by experiences, the val is 6 */
112 pwdb_all += 6;
113 if (pwdb_all > 100)
114 pwdb_all = 100;
115 /* modify the offset to make the same gain index with OFDM. */
116 if (pwdb_all > 34 && pwdb_all <= 42)
117 pwdb_all -= 2;
118 else if (pwdb_all > 26 && pwdb_all <= 34)
119 pwdb_all -= 6;
120 else if (pwdb_all > 14 && pwdb_all <= 26)
121 pwdb_all -= 8;
122 else if (pwdb_all > 4 && pwdb_all <= 14)
123 pwdb_all -= 4;
124 pstats->rx_pwdb_all = pwdb_all;
125 pstats->recvsignalpower = rx_pwr_all;
126 if (packet_match_bssid) {
127 u8 sq;
128 if (pstats->rx_pwdb_all > 40) {
129 sq = 100;
130 } else {
131 sq = cck_buf->sq_rpt;
132 if (sq > 64)
133 sq = 0;
134 else if (sq < 20)
135 sq = 100;
136 else
137 sq = ((64 - sq) * 100) / 44;
138 }
139 pstats->signalquality = sq;
140 pstats->rx_mimo_sig_qual[0] = sq;
141 pstats->rx_mimo_sig_qual[1] = -1;
142 }
143 } else {
144 rtlpriv->dm.rfpath_rxenable[0] = true;
145 rtlpriv->dm.rfpath_rxenable[1] = true;
146 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
147 if (rtlpriv->dm.rfpath_rxenable[i])
148 rf_rx_num++;
149 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
150 - 110;
151 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
152 total_rssi += rssi;
153 rtlpriv->stats.rx_snr_db[i] =
154 (long)(p_drvinfo->rxsnr[i] / 2);
155 if (packet_match_bssid)
156 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
157 }
158 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106;
159 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
160 pstats->rx_pwdb_all = pwdb_all;
161 pstats->rxpower = rx_pwr_all;
162 pstats->recvsignalpower = rx_pwr_all;
163 if (get_rx_desc_rxht(pdesc) && rxmcs >= DESC_RATEMCS8 &&
164 rxmcs <= DESC_RATEMCS15)
165 max_spatial_stream = 2;
166 else
167 max_spatial_stream = 1;
168 for (i = 0; i < max_spatial_stream; i++) {
169 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
170 if (packet_match_bssid) {
171 if (i == 0)
172 pstats->signalquality =
173 (u8)(evm & 0xff);
174 pstats->rx_mimo_sig_qual[i] =
175 (u8)(evm & 0xff);
176 }
177 }
178 }
179 if (is_cck_rate)
180 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
181 pwdb_all));
182 else if (rf_rx_num != 0)
183 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
184 total_rssi /= rf_rx_num));
185 }
186
rtl92d_loop_over_paths(struct ieee80211_hw * hw,struct rtl_stats * pstats)187 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
188 struct rtl_stats *pstats)
189 {
190 struct rtl_priv *rtlpriv = rtl_priv(hw);
191 struct rtl_phy *rtlphy = &(rtlpriv->phy);
192 u8 rfpath;
193
194 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
195 rfpath++) {
196 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
197 rtlpriv->stats.rx_rssi_percentage[rfpath] =
198 pstats->rx_mimo_signalstrength[rfpath];
199
200 }
201 if (pstats->rx_mimo_signalstrength[rfpath] >
202 rtlpriv->stats.rx_rssi_percentage[rfpath]) {
203 rtlpriv->stats.rx_rssi_percentage[rfpath] =
204 ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
205 (RX_SMOOTH_FACTOR - 1)) +
206 (pstats->rx_mimo_signalstrength[rfpath])) /
207 (RX_SMOOTH_FACTOR);
208 rtlpriv->stats.rx_rssi_percentage[rfpath] =
209 rtlpriv->stats.rx_rssi_percentage[rfpath] + 1;
210 } else {
211 rtlpriv->stats.rx_rssi_percentage[rfpath] =
212 ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
213 (RX_SMOOTH_FACTOR - 1)) +
214 (pstats->rx_mimo_signalstrength[rfpath])) /
215 (RX_SMOOTH_FACTOR);
216 }
217 }
218 }
219
_rtl92de_process_ui_rssi(struct ieee80211_hw * hw,struct rtl_stats * pstats)220 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
221 struct rtl_stats *pstats)
222 {
223 struct rtl_priv *rtlpriv = rtl_priv(hw);
224 u32 last_rssi, tmpval;
225
226 if (pstats->packet_toself || pstats->packet_beacon) {
227 rtlpriv->stats.rssi_calculate_cnt++;
228 if (rtlpriv->stats.ui_rssi.total_num++ >=
229 PHY_RSSI_SLID_WIN_MAX) {
230 rtlpriv->stats.ui_rssi.total_num =
231 PHY_RSSI_SLID_WIN_MAX;
232 last_rssi = rtlpriv->stats.ui_rssi.elements[
233 rtlpriv->stats.ui_rssi.index];
234 rtlpriv->stats.ui_rssi.total_val -= last_rssi;
235 }
236 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
237 rtlpriv->stats.ui_rssi.elements
238 [rtlpriv->stats.ui_rssi.index++] =
239 pstats->signalstrength;
240 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
241 rtlpriv->stats.ui_rssi.index = 0;
242 tmpval = rtlpriv->stats.ui_rssi.total_val /
243 rtlpriv->stats.ui_rssi.total_num;
244 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw,
245 (u8) tmpval);
246 pstats->rssi = rtlpriv->stats.signal_strength;
247 }
248 if (!pstats->is_cck && pstats->packet_toself)
249 rtl92d_loop_over_paths(hw, pstats);
250 }
251
_rtl92de_update_rxsignalstatistics(struct ieee80211_hw * hw,struct rtl_stats * pstats)252 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw,
253 struct rtl_stats *pstats)
254 {
255 struct rtl_priv *rtlpriv = rtl_priv(hw);
256 int weighting = 0;
257
258 if (rtlpriv->stats.recv_signal_power == 0)
259 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
260 if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
261 weighting = 5;
262 else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
263 weighting = (-5);
264 rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power *
265 5 + pstats->recvsignalpower + weighting) / 6;
266 }
267
_rtl92de_process_pwdb(struct ieee80211_hw * hw,struct rtl_stats * pstats)268 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw,
269 struct rtl_stats *pstats)
270 {
271 struct rtl_priv *rtlpriv = rtl_priv(hw);
272 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
273 long undec_sm_pwdb;
274
275 if (mac->opmode == NL80211_IFTYPE_ADHOC ||
276 mac->opmode == NL80211_IFTYPE_AP)
277 return;
278 else
279 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
280
281 if (pstats->packet_toself || pstats->packet_beacon) {
282 if (undec_sm_pwdb < 0)
283 undec_sm_pwdb = pstats->rx_pwdb_all;
284 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
285 undec_sm_pwdb = (((undec_sm_pwdb) *
286 (RX_SMOOTH_FACTOR - 1)) +
287 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
288 undec_sm_pwdb = undec_sm_pwdb + 1;
289 } else {
290 undec_sm_pwdb = (((undec_sm_pwdb) *
291 (RX_SMOOTH_FACTOR - 1)) +
292 (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
293 }
294 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
295 _rtl92de_update_rxsignalstatistics(hw, pstats);
296 }
297 }
298
rtl92d_loop_over_streams(struct ieee80211_hw * hw,struct rtl_stats * pstats)299 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
300 struct rtl_stats *pstats)
301 {
302 struct rtl_priv *rtlpriv = rtl_priv(hw);
303 int stream;
304
305 for (stream = 0; stream < 2; stream++) {
306 if (pstats->rx_mimo_sig_qual[stream] != -1) {
307 if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
308 rtlpriv->stats.rx_evm_percentage[stream] =
309 pstats->rx_mimo_sig_qual[stream];
310 }
311 rtlpriv->stats.rx_evm_percentage[stream] =
312 ((rtlpriv->stats.rx_evm_percentage[stream]
313 * (RX_SMOOTH_FACTOR - 1)) +
314 (pstats->rx_mimo_sig_qual[stream] * 1)) /
315 (RX_SMOOTH_FACTOR);
316 }
317 }
318 }
319
_rtl92de_process_ui_link_quality(struct ieee80211_hw * hw,struct rtl_stats * pstats)320 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
321 struct rtl_stats *pstats)
322 {
323 struct rtl_priv *rtlpriv = rtl_priv(hw);
324 u32 last_evm, tmpval;
325
326 if (pstats->signalquality == 0)
327 return;
328 if (pstats->packet_toself || pstats->packet_beacon) {
329 if (rtlpriv->stats.ui_link_quality.total_num++ >=
330 PHY_LINKQUALITY_SLID_WIN_MAX) {
331 rtlpriv->stats.ui_link_quality.total_num =
332 PHY_LINKQUALITY_SLID_WIN_MAX;
333 last_evm = rtlpriv->stats.ui_link_quality.elements[
334 rtlpriv->stats.ui_link_quality.index];
335 rtlpriv->stats.ui_link_quality.total_val -= last_evm;
336 }
337 rtlpriv->stats.ui_link_quality.total_val +=
338 pstats->signalquality;
339 rtlpriv->stats.ui_link_quality.elements[
340 rtlpriv->stats.ui_link_quality.index++] =
341 pstats->signalquality;
342 if (rtlpriv->stats.ui_link_quality.index >=
343 PHY_LINKQUALITY_SLID_WIN_MAX)
344 rtlpriv->stats.ui_link_quality.index = 0;
345 tmpval = rtlpriv->stats.ui_link_quality.total_val /
346 rtlpriv->stats.ui_link_quality.total_num;
347 rtlpriv->stats.signal_quality = tmpval;
348 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
349 rtl92d_loop_over_streams(hw, pstats);
350 }
351 }
352
_rtl92de_process_phyinfo(struct ieee80211_hw * hw,u8 * buffer,struct rtl_stats * pcurrent_stats)353 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
354 u8 *buffer,
355 struct rtl_stats *pcurrent_stats)
356 {
357
358 if (!pcurrent_stats->packet_matchbssid &&
359 !pcurrent_stats->packet_beacon)
360 return;
361
362 _rtl92de_process_ui_rssi(hw, pcurrent_stats);
363 _rtl92de_process_pwdb(hw, pcurrent_stats);
364 _rtl92de_process_ui_link_quality(hw, pcurrent_stats);
365 }
366
_rtl92de_translate_rx_signal_stuff(struct ieee80211_hw * hw,struct sk_buff * skb,struct rtl_stats * pstats,__le32 * pdesc,struct rx_fwinfo_92d * p_drvinfo)367 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
368 struct sk_buff *skb,
369 struct rtl_stats *pstats,
370 __le32 *pdesc,
371 struct rx_fwinfo_92d *p_drvinfo)
372 {
373 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
374 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
375 struct ieee80211_hdr *hdr;
376 u8 *tmp_buf;
377 u8 *praddr;
378 u16 type, cfc;
379 __le16 fc;
380 bool packet_matchbssid, packet_toself, packet_beacon = false;
381
382 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
383 hdr = (struct ieee80211_hdr *)tmp_buf;
384 fc = hdr->frame_control;
385 cfc = le16_to_cpu(fc);
386 type = WLAN_FC_GET_TYPE(fc);
387 praddr = hdr->addr1;
388 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
389 ether_addr_equal(mac->bssid,
390 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
391 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
392 hdr->addr3) &&
393 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
394 packet_toself = packet_matchbssid &&
395 ether_addr_equal(praddr, rtlefuse->dev_addr);
396 if (ieee80211_is_beacon(fc))
397 packet_beacon = true;
398 _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
399 packet_matchbssid, packet_toself,
400 packet_beacon);
401 _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
402 }
403
rtl92de_rx_query_desc(struct ieee80211_hw * hw,struct rtl_stats * stats,struct ieee80211_rx_status * rx_status,u8 * pdesc8,struct sk_buff * skb)404 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
405 struct ieee80211_rx_status *rx_status,
406 u8 *pdesc8, struct sk_buff *skb)
407 {
408 __le32 *pdesc = (__le32 *)pdesc8;
409 struct rx_fwinfo_92d *p_drvinfo;
410 u32 phystatus = get_rx_desc_physt(pdesc);
411
412 stats->length = (u16)get_rx_desc_pkt_len(pdesc);
413 stats->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
414 RX_DRV_INFO_SIZE_UNIT;
415 stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
416 stats->icv = (u16)get_rx_desc_icv(pdesc);
417 stats->crc = (u16)get_rx_desc_crc32(pdesc);
418 stats->hwerror = (stats->crc | stats->icv);
419 stats->decrypted = !get_rx_desc_swdec(pdesc) &&
420 get_rx_desc_enc_type(pdesc) != RX_DESC_ENC_NONE;
421 stats->rate = (u8)get_rx_desc_rxmcs(pdesc);
422 stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
423 stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
424 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&
425 (get_rx_desc_faggr(pdesc) == 1));
426 stats->timestamp_low = get_rx_desc_tsfl(pdesc);
427 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
428 stats->is_ht = (bool)get_rx_desc_rxht(pdesc);
429 rx_status->freq = hw->conf.chandef.chan->center_freq;
430 rx_status->band = hw->conf.chandef.chan->band;
431 if (get_rx_desc_crc32(pdesc))
432 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
433 if (get_rx_desc_bw(pdesc))
434 rx_status->bw = RATE_INFO_BW_40;
435 if (get_rx_desc_rxht(pdesc))
436 rx_status->encoding = RX_ENC_HT;
437 rx_status->flag |= RX_FLAG_MACTIME_START;
438 if (stats->decrypted)
439 rx_status->flag |= RX_FLAG_DECRYPTED;
440 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
441 false, stats->rate);
442 rx_status->mactime = get_rx_desc_tsfl(pdesc);
443 if (phystatus) {
444 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
445 stats->rx_bufshift);
446 _rtl92de_translate_rx_signal_stuff(hw, skb, stats, pdesc,
447 p_drvinfo);
448 }
449 /*rx_status->qual = stats->signal; */
450 rx_status->signal = stats->recvsignalpower + 10;
451 return true;
452 }
453
_rtl92de_insert_emcontent(struct rtl_tcb_desc * ptcb_desc,u8 * virtualaddress8)454 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
455 u8 *virtualaddress8)
456 {
457 __le32 *virtualaddress = (__le32 *)virtualaddress8;
458
459 memset(virtualaddress, 0, 8);
460
461 set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
462 set_earlymode_len0(virtualaddress, ptcb_desc->empkt_len[0]);
463 set_earlymode_len1(virtualaddress, ptcb_desc->empkt_len[1]);
464 set_earlymode_len2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
465 set_earlymode_len2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
466 set_earlymode_len3(virtualaddress, ptcb_desc->empkt_len[3]);
467 set_earlymode_len4(virtualaddress, ptcb_desc->empkt_len[4]);
468 }
469
rtl92de_tx_fill_desc(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,u8 * pdesc8,u8 * pbd_desc_tx,struct ieee80211_tx_info * info,struct ieee80211_sta * sta,struct sk_buff * skb,u8 hw_queue,struct rtl_tcb_desc * ptcb_desc)470 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
471 struct ieee80211_hdr *hdr, u8 *pdesc8,
472 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
473 struct ieee80211_sta *sta,
474 struct sk_buff *skb,
475 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
476 {
477 struct rtl_priv *rtlpriv = rtl_priv(hw);
478 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
479 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
480 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
481 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
482 __le32 *pdesc = (__le32 *)pdesc8;
483 u16 seq_number;
484 __le16 fc = hdr->frame_control;
485 unsigned int buf_len = 0;
486 unsigned int skb_len = skb->len;
487 u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
488 bool firstseg = ((hdr->seq_ctrl &
489 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
490 bool lastseg = ((hdr->frame_control &
491 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
492 dma_addr_t mapping;
493 u8 bw_40 = 0;
494
495 if (mac->opmode == NL80211_IFTYPE_STATION) {
496 bw_40 = mac->bw_40;
497 } else if (mac->opmode == NL80211_IFTYPE_AP ||
498 mac->opmode == NL80211_IFTYPE_ADHOC) {
499 if (sta)
500 bw_40 = sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40;
501 }
502 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
503 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
504 /* reserve 8 byte for AMPDU early mode */
505 if (rtlhal->earlymode_enable) {
506 skb_push(skb, EM_HDR_LEN);
507 memset(skb->data, 0, EM_HDR_LEN);
508 }
509 buf_len = skb->len;
510 mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
511 DMA_TO_DEVICE);
512 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
513 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
514 "DMA mapping error\n");
515 return;
516 }
517 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_92d));
518 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
519 firstseg = true;
520 lastseg = true;
521 }
522 if (firstseg) {
523 if (rtlhal->earlymode_enable) {
524 set_tx_desc_pkt_offset(pdesc, 1);
525 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
526 EM_HDR_LEN);
527 if (ptcb_desc->empkt_num) {
528 rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD,
529 "Insert 8 byte.pTcb->EMPktNum:%d\n",
530 ptcb_desc->empkt_num);
531 _rtl92de_insert_emcontent(ptcb_desc,
532 (u8 *)(skb->data));
533 }
534 } else {
535 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
536 }
537 /* 5G have no CCK rate */
538 if (rtlhal->current_bandtype == BAND_ON_5G)
539 if (ptcb_desc->hw_rate < DESC_RATE6M)
540 ptcb_desc->hw_rate = DESC_RATE6M;
541 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
542 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
543 set_tx_desc_data_shortgi(pdesc, 1);
544
545 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
546 ptcb_desc->hw_rate == DESC_RATEMCS7)
547 set_tx_desc_data_shortgi(pdesc, 1);
548
549 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
550 set_tx_desc_agg_enable(pdesc, 1);
551 set_tx_desc_max_agg_num(pdesc, 0x14);
552 }
553 set_tx_desc_seq(pdesc, seq_number);
554 set_tx_desc_rts_enable(pdesc,
555 ((ptcb_desc->rts_enable &&
556 !ptcb_desc->cts_enable) ? 1 : 0));
557 set_tx_desc_hw_rts_enable(pdesc, ((ptcb_desc->rts_enable
558 || ptcb_desc->cts_enable) ? 1 : 0));
559 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
560 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
561 /* 5G have no CCK rate */
562 if (rtlhal->current_bandtype == BAND_ON_5G)
563 if (ptcb_desc->rts_rate < DESC_RATE6M)
564 ptcb_desc->rts_rate = DESC_RATE6M;
565 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
566 set_tx_desc_rts_bw(pdesc, 0);
567 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
568 set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <=
569 DESC_RATE54M) ?
570 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
571 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
572 if (bw_40) {
573 if (ptcb_desc->packet_bw) {
574 set_tx_desc_data_bw(pdesc, 1);
575 set_tx_desc_tx_sub_carrier(pdesc, 3);
576 } else {
577 set_tx_desc_data_bw(pdesc, 0);
578 set_tx_desc_tx_sub_carrier(pdesc,
579 mac->cur_40_prime_sc);
580 }
581 } else {
582 set_tx_desc_data_bw(pdesc, 0);
583 set_tx_desc_tx_sub_carrier(pdesc, 0);
584 }
585 set_tx_desc_linip(pdesc, 0);
586 set_tx_desc_pkt_size(pdesc, (u16)skb_len);
587 if (sta) {
588 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;
589 set_tx_desc_ampdu_density(pdesc, ampdu_density);
590 }
591 if (info->control.hw_key) {
592 struct ieee80211_key_conf *keyconf;
593
594 keyconf = info->control.hw_key;
595 switch (keyconf->cipher) {
596 case WLAN_CIPHER_SUITE_WEP40:
597 case WLAN_CIPHER_SUITE_WEP104:
598 case WLAN_CIPHER_SUITE_TKIP:
599 set_tx_desc_sec_type(pdesc, 0x1);
600 break;
601 case WLAN_CIPHER_SUITE_CCMP:
602 set_tx_desc_sec_type(pdesc, 0x3);
603 break;
604 default:
605 set_tx_desc_sec_type(pdesc, 0x0);
606 break;
607
608 }
609 }
610 set_tx_desc_pkt_id(pdesc, 0);
611 set_tx_desc_queue_sel(pdesc, fw_qsel);
612 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
613 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
614 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
615 1 : 0);
616 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
617
618 /* Set TxRate and RTSRate in TxDesc */
619 /* This prevent Tx initial rate of new-coming packets */
620 /* from being overwritten by retried packet rate.*/
621 if (!ptcb_desc->use_driver_rate) {
622 set_tx_desc_rts_rate(pdesc, 0x08);
623 /* set_tx_desc_tx_rate(pdesc, 0x0b); */
624 }
625 if (ieee80211_is_data_qos(fc)) {
626 if (mac->rdg_en) {
627 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
628 "Enable RDG function\n");
629 set_tx_desc_rdg_enable(pdesc, 1);
630 set_tx_desc_htc(pdesc, 1);
631 }
632 }
633 }
634
635 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
636 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
637 set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len);
638 set_tx_desc_tx_buffer_address(pdesc, mapping);
639 if (rtlpriv->dm.useramask) {
640 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
641 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
642 } else {
643 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
644 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index);
645 }
646 if (ieee80211_is_data_qos(fc))
647 set_tx_desc_qos(pdesc, 1);
648
649 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
650 set_tx_desc_hwseq_en(pdesc, 1);
651 set_tx_desc_pkt_id(pdesc, 8);
652 }
653 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
654 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
655 }
656
rtl92de_tx_fill_cmddesc(struct ieee80211_hw * hw,u8 * pdesc8,bool firstseg,bool lastseg,struct sk_buff * skb)657 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
658 u8 *pdesc8, bool firstseg,
659 bool lastseg, struct sk_buff *skb)
660 {
661 struct rtl_priv *rtlpriv = rtl_priv(hw);
662 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
663 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
664 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
665 u8 fw_queue = QSLT_BEACON;
666
667 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
668 __le16 fc = hdr->frame_control;
669 __le32 *pdesc = (__le32 *)pdesc8;
670
671 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
672 skb->len, DMA_TO_DEVICE);
673
674 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
675 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
676 "DMA mapping error\n");
677 return;
678 }
679 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
680 if (firstseg)
681 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
682 /* 5G have no CCK rate
683 * Caution: The macros below are multi-line expansions.
684 * The braces are needed no matter what checkpatch says
685 */
686 if (rtlhal->current_bandtype == BAND_ON_5G) {
687 set_tx_desc_tx_rate(pdesc, DESC_RATE6M);
688 } else {
689 set_tx_desc_tx_rate(pdesc, DESC_RATE1M);
690 }
691 set_tx_desc_seq(pdesc, 0);
692 set_tx_desc_linip(pdesc, 0);
693 set_tx_desc_queue_sel(pdesc, fw_queue);
694 set_tx_desc_first_seg(pdesc, 1);
695 set_tx_desc_last_seg(pdesc, 1);
696 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);
697 set_tx_desc_tx_buffer_address(pdesc, mapping);
698 set_tx_desc_rate_id(pdesc, 7);
699 set_tx_desc_macid(pdesc, 0);
700 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
701 set_tx_desc_first_seg(pdesc, 1);
702 set_tx_desc_last_seg(pdesc, 1);
703 set_tx_desc_offset(pdesc, 0x20);
704 set_tx_desc_use_rate(pdesc, 1);
705
706 if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
707 set_tx_desc_hwseq_en(pdesc, 1);
708 set_tx_desc_pkt_id(pdesc, 8);
709 }
710
711 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
712 "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
713 wmb();
714 set_tx_desc_own(pdesc, 1);
715 }
716
rtl92de_set_desc(struct ieee80211_hw * hw,u8 * pdesc8,bool istx,u8 desc_name,u8 * val)717 void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx,
718 u8 desc_name, u8 *val)
719 {
720 __le32 *pdesc = (__le32 *)pdesc8;
721
722 if (istx) {
723 switch (desc_name) {
724 case HW_DESC_OWN:
725 wmb();
726 set_tx_desc_own(pdesc, 1);
727 break;
728 case HW_DESC_TX_NEXTDESC_ADDR:
729 set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
730 break;
731 default:
732 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n",
733 desc_name);
734 break;
735 }
736 } else {
737 switch (desc_name) {
738 case HW_DESC_RXOWN:
739 wmb();
740 set_rx_desc_own(pdesc, 1);
741 break;
742 case HW_DESC_RXBUFF_ADDR:
743 set_rx_desc_buff_addr(pdesc, *(u32 *)val);
744 break;
745 case HW_DESC_RXPKT_LEN:
746 set_rx_desc_pkt_len(pdesc, *(u32 *)val);
747 break;
748 case HW_DESC_RXERO:
749 set_rx_desc_eor(pdesc, 1);
750 break;
751 default:
752 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n",
753 desc_name);
754 break;
755 }
756 }
757 }
758
rtl92de_get_desc(struct ieee80211_hw * hw,u8 * p_desc8,bool istx,u8 desc_name)759 u64 rtl92de_get_desc(struct ieee80211_hw *hw,
760 u8 *p_desc8, bool istx, u8 desc_name)
761 {
762 __le32 *p_desc = (__le32 *)p_desc8;
763 u32 ret = 0;
764
765 if (istx) {
766 switch (desc_name) {
767 case HW_DESC_OWN:
768 ret = get_tx_desc_own(p_desc);
769 break;
770 case HW_DESC_TXBUFF_ADDR:
771 ret = get_tx_desc_tx_buffer_address(p_desc);
772 break;
773 default:
774 WARN_ONCE(true, "rtl8192de: ERR txdesc :%d not processed\n",
775 desc_name);
776 break;
777 }
778 } else {
779 switch (desc_name) {
780 case HW_DESC_OWN:
781 ret = get_rx_desc_own(p_desc);
782 break;
783 case HW_DESC_RXPKT_LEN:
784 ret = get_rx_desc_pkt_len(p_desc);
785 break;
786 case HW_DESC_RXBUFF_ADDR:
787 ret = get_rx_desc_buff_addr(p_desc);
788 break;
789 default:
790 WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n",
791 desc_name);
792 break;
793 }
794 }
795 return ret;
796 }
797
rtl92de_is_tx_desc_closed(struct ieee80211_hw * hw,u8 hw_queue,u16 index)798 bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw,
799 u8 hw_queue, u16 index)
800 {
801 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
802 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
803 u8 *entry = (u8 *)(&ring->desc[ring->idx]);
804 u8 own = (u8)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN);
805
806 /* a beacon packet will only use the first
807 * descriptor by defaut, and the own bit may not
808 * be cleared by the hardware
809 */
810 if (own)
811 return false;
812 return true;
813 }
814
rtl92de_tx_polling(struct ieee80211_hw * hw,u8 hw_queue)815 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
816 {
817 struct rtl_priv *rtlpriv = rtl_priv(hw);
818 if (hw_queue == BEACON_QUEUE)
819 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
820 else
821 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
822 BIT(0) << (hw_queue));
823 }
824