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
_rtl8723e_map_hwqueue_to_fwqueue(struct sk_buff * skb,u8 hw_queue)14 static u8 _rtl8723e_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) || ieee80211_is_ctl(fc))
21 return QSLT_MGNT;
22
23 return skb->priority;
24 }
25
_rtl8723e_query_rxphystatus(struct ieee80211_hw * hw,struct rtl_stats * pstatus,u8 * pdesc,struct rx_fwinfo_8723e * p_drvinfo,bool bpacket_match_bssid,bool bpacket_toself,bool packet_beacon)26 static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw,
27 struct rtl_stats *pstatus, u8 *pdesc,
28 struct rx_fwinfo_8723e *p_drvinfo,
29 bool bpacket_match_bssid,
30 bool bpacket_toself, bool packet_beacon)
31 {
32 struct rtl_priv *rtlpriv = rtl_priv(hw);
33 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
34 struct phy_sts_cck_8723e_t *cck_buf;
35 s8 rx_pwr_all = 0, rx_pwr[4];
36 u8 rf_rx_num = 0, evm, pwdb_all;
37 u8 i, max_spatial_stream;
38 u32 rssi, total_rssi = 0;
39 bool is_cck = pstatus->is_cck;
40
41 /* Record it for next packet processing */
42 pstatus->packet_matchbssid = bpacket_match_bssid;
43 pstatus->packet_toself = bpacket_toself;
44 pstatus->packet_beacon = packet_beacon;
45 pstatus->rx_mimo_signalquality[0] = -1;
46 pstatus->rx_mimo_signalquality[1] = -1;
47
48 if (is_cck) {
49 u8 report, cck_highpwr;
50
51 /* CCK Driver info Structure is not the same as OFDM packet. */
52 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
53
54 /* (1)Hardware does not provide RSSI for CCK */
55 /* (2)PWDB, Average PWDB calculated by
56 * hardware (for rate adaptive)
57 */
58 if (ppsc->rfpwr_state == ERFON)
59 cck_highpwr = (u8)rtl_get_bbreg(hw,
60 RFPGA0_XA_HSSIPARAMETER2,
61 BIT(9));
62 else
63 cck_highpwr = false;
64
65 if (!cck_highpwr) {
66 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
67 report = cck_buf->cck_agc_rpt & 0xc0;
68 report = report >> 6;
69 switch (report) {
70 case 0x3:
71 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
72 break;
73 case 0x2:
74 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
75 break;
76 case 0x1:
77 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
78 break;
79 case 0x0:
80 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
81 break;
82 }
83 } else {
84 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
85 report = p_drvinfo->cfosho[0] & 0x60;
86 report = report >> 5;
87 switch (report) {
88 case 0x3:
89 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
90 break;
91 case 0x2:
92 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
93 break;
94 case 0x1:
95 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
96 break;
97 case 0x0:
98 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
99 break;
100 }
101 }
102
103 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
104 /* CCK gain is smaller than OFDM/MCS gain, */
105 /* so we add gain diff by experiences,
106 * the val is 6
107 */
108 pwdb_all += 6;
109 if (pwdb_all > 100)
110 pwdb_all = 100;
111 /* modify the offset to make the same
112 * gain index with OFDM.
113 */
114 if (pwdb_all > 34 && pwdb_all <= 42)
115 pwdb_all -= 2;
116 else if (pwdb_all > 26 && pwdb_all <= 34)
117 pwdb_all -= 6;
118 else if (pwdb_all > 14 && pwdb_all <= 26)
119 pwdb_all -= 8;
120 else if (pwdb_all > 4 && pwdb_all <= 14)
121 pwdb_all -= 4;
122
123 pstatus->rx_pwdb_all = pwdb_all;
124 pstatus->recvsignalpower = rx_pwr_all;
125
126 /* (3) Get Signal Quality (EVM) */
127 if (bpacket_match_bssid) {
128 u8 sq;
129
130 if (pstatus->rx_pwdb_all > 40)
131 sq = 100;
132 else {
133 sq = cck_buf->sq_rpt;
134 if (sq > 64)
135 sq = 0;
136 else if (sq < 20)
137 sq = 100;
138 else
139 sq = ((64 - sq) * 100) / 44;
140 }
141
142 pstatus->signalquality = sq;
143 pstatus->rx_mimo_signalquality[0] = sq;
144 pstatus->rx_mimo_signalquality[1] = -1;
145 }
146 } else {
147 rtlpriv->dm.rfpath_rxenable[0] =
148 rtlpriv->dm.rfpath_rxenable[1] = true;
149
150 /* (1)Get RSSI for HT rate */
151 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
152
153 /* we will judge RF RX path now. */
154 if (rtlpriv->dm.rfpath_rxenable[i])
155 rf_rx_num++;
156
157 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
158 0x3f) * 2) - 110;
159
160 /* Translate DBM to percentage. */
161 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
162 total_rssi += rssi;
163
164 /* Get Rx snr value in DB */
165 rtlpriv->stats.rx_snr_db[i] =
166 (long)(p_drvinfo->rxsnr[i] / 2);
167
168 /* Record Signal Strength for next packet */
169 if (bpacket_match_bssid)
170 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
171 }
172
173 /* (2)PWDB, Average PWDB calculated by
174 * hardware (for rate adaptive)
175 */
176 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
177
178 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
179 pstatus->rx_pwdb_all = pwdb_all;
180 pstatus->rxpower = rx_pwr_all;
181 pstatus->recvsignalpower = rx_pwr_all;
182
183 /* (3)EVM of HT rate */
184 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
185 pstatus->rate <= DESC92C_RATEMCS15)
186 max_spatial_stream = 2;
187 else
188 max_spatial_stream = 1;
189
190 for (i = 0; i < max_spatial_stream; i++) {
191 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
192
193 if (bpacket_match_bssid) {
194 /* Fill value in RFD, Get the first
195 * spatial stream only
196 */
197 if (i == 0)
198 pstatus->signalquality =
199 (u8)(evm & 0xff);
200 pstatus->rx_mimo_signalquality[i] =
201 (u8)(evm & 0xff);
202 }
203 }
204 }
205
206 /* UI BSS List signal strength(in percentage),
207 * make it good looking, from 0~100.
208 */
209 if (is_cck)
210 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
211 pwdb_all));
212 else if (rf_rx_num != 0)
213 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
214 total_rssi /= rf_rx_num));
215 }
216
translate_rx_signal_stuff(struct ieee80211_hw * hw,struct sk_buff * skb,struct rtl_stats * pstatus,u8 * pdesc,struct rx_fwinfo_8723e * p_drvinfo)217 static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
218 struct sk_buff *skb,
219 struct rtl_stats *pstatus, u8 *pdesc,
220 struct rx_fwinfo_8723e *p_drvinfo)
221 {
222 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
223 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
224 struct ieee80211_hdr *hdr;
225 u8 *tmp_buf;
226 u8 *praddr;
227 /*u8 *psaddr;*/
228 u16 fc, type;
229 bool packet_matchbssid, packet_toself, packet_beacon;
230
231 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
232
233 hdr = (struct ieee80211_hdr *)tmp_buf;
234 fc = le16_to_cpu(hdr->frame_control);
235 type = WLAN_FC_GET_TYPE(hdr->frame_control);
236 praddr = hdr->addr1;
237
238 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
239 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
240 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
241 hdr->addr2 : hdr->addr3)) &&
242 (!pstatus->hwerror) &&
243 (!pstatus->crc) && (!pstatus->icv));
244
245 packet_toself = packet_matchbssid &&
246 (ether_addr_equal(praddr, rtlefuse->dev_addr));
247
248 if (ieee80211_is_beacon(hdr->frame_control))
249 packet_beacon = true;
250 else
251 packet_beacon = false;
252
253 _rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
254 packet_matchbssid, packet_toself,
255 packet_beacon);
256
257 rtl_process_phyinfo(hw, tmp_buf, pstatus);
258 }
259
rtl8723e_rx_query_desc(struct ieee80211_hw * hw,struct rtl_stats * status,struct ieee80211_rx_status * rx_status,u8 * pdesc8,struct sk_buff * skb)260 bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw,
261 struct rtl_stats *status,
262 struct ieee80211_rx_status *rx_status,
263 u8 *pdesc8, struct sk_buff *skb)
264 {
265 struct rx_fwinfo_8723e *p_drvinfo;
266 struct ieee80211_hdr *hdr;
267 __le32 *pdesc = (__le32 *)pdesc8;
268 u32 phystatus = get_rx_desc_physt(pdesc);
269
270 status->length = (u16)get_rx_desc_pkt_len(pdesc);
271 status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
272 RX_DRV_INFO_SIZE_UNIT;
273 status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
274 status->icv = (u16)get_rx_desc_icv(pdesc);
275 status->crc = (u16)get_rx_desc_crc32(pdesc);
276 status->hwerror = (status->crc | status->icv);
277 status->decrypted = !get_rx_desc_swdec(pdesc);
278 status->rate = (u8)get_rx_desc_rxmcs(pdesc);
279 status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
280 status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
281 status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&
282 (get_rx_desc_faggr(pdesc) == 1));
283 status->timestamp_low = get_rx_desc_tsfl(pdesc);
284 status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
285 status->is_ht = (bool)get_rx_desc_rxht(pdesc);
286
287 status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
288
289 rx_status->freq = hw->conf.chandef.chan->center_freq;
290 rx_status->band = hw->conf.chandef.chan->band;
291
292 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
293 + status->rx_bufshift);
294
295 if (status->crc)
296 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
297
298 if (status->rx_is40mhzpacket)
299 rx_status->bw = RATE_INFO_BW_40;
300
301 if (status->is_ht)
302 rx_status->encoding = RX_ENC_HT;
303
304 rx_status->flag |= RX_FLAG_MACTIME_START;
305
306 /* hw will set status->decrypted true, if it finds the
307 * frame is open data frame or mgmt frame.
308 * So hw will not decryption robust managment frame
309 * for IEEE80211w but still set status->decrypted
310 * true, so here we should set it back to undecrypted
311 * for IEEE80211w frame, and mac80211 sw will help
312 * to decrypt it
313 */
314 if (status->decrypted) {
315 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
316 (ieee80211_has_protected(hdr->frame_control)))
317 rx_status->flag |= RX_FLAG_DECRYPTED;
318 else
319 rx_status->flag &= ~RX_FLAG_DECRYPTED;
320 }
321
322 /* rate_idx: index of data rate into band's
323 * supported rates or MCS index if HT rates
324 * are use (RX_FLAG_HT)
325 * Notice: this is diff with windows define
326 */
327 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
328 false, status->rate);
329
330 rx_status->mactime = status->timestamp_low;
331 if (phystatus == true) {
332 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
333 status->rx_bufshift);
334
335 translate_rx_signal_stuff(hw, skb, status, pdesc8, p_drvinfo);
336 }
337 rx_status->signal = status->recvsignalpower + 10;
338 return true;
339 }
340
rtl8723e_tx_fill_desc(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,u8 * pdesc_tx,u8 * txbd,struct ieee80211_tx_info * info,struct ieee80211_sta * sta,struct sk_buff * skb,u8 hw_queue,struct rtl_tcb_desc * ptcb_desc)341 void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
342 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
343 u8 *txbd, struct ieee80211_tx_info *info,
344 struct ieee80211_sta *sta,
345 struct sk_buff *skb,
346 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
347 {
348 struct rtl_priv *rtlpriv = rtl_priv(hw);
349 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
350 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
351 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
352 bool b_defaultadapter = true;
353 /* bool b_trigger_ac = false; */
354 u8 *pdesc8 = (u8 *)pdesc_tx;
355 __le32 *pdesc = (__le32 *)pdesc8;
356 u16 seq_number;
357 __le16 fc = hdr->frame_control;
358 u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
359 bool firstseg = ((hdr->seq_ctrl &
360 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
361
362 bool lastseg = ((hdr->frame_control &
363 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
364
365 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
366 skb->len, DMA_TO_DEVICE);
367 u8 bw_40 = 0;
368
369 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
370 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
371 "DMA mapping error\n");
372 return;
373 }
374 if (mac->opmode == NL80211_IFTYPE_STATION) {
375 bw_40 = mac->bw_40;
376 } else if (mac->opmode == NL80211_IFTYPE_AP ||
377 mac->opmode == NL80211_IFTYPE_ADHOC) {
378 if (sta)
379 bw_40 = sta->deflink.ht_cap.cap &
380 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
381 }
382
383 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
384
385 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
386
387 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723e));
388
389 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
390 firstseg = true;
391 lastseg = true;
392 }
393
394 if (firstseg) {
395 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
396
397 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
398
399 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
400 set_tx_desc_data_shortgi(pdesc, 1);
401
402 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
403 set_tx_desc_agg_break(pdesc, 1);
404 set_tx_desc_max_agg_num(pdesc, 0x14);
405 }
406 set_tx_desc_seq(pdesc, seq_number);
407
408 set_tx_desc_rts_enable(pdesc,
409 ((ptcb_desc->rts_enable &&
410 !ptcb_desc->cts_enable) ? 1 : 0));
411 set_tx_desc_hw_rts_enable(pdesc,
412 ((ptcb_desc->rts_enable ||
413 ptcb_desc->cts_enable) ? 1 : 0));
414 set_tx_desc_cts2self(pdesc,
415 ((ptcb_desc->cts_enable) ? 1 : 0));
416 set_tx_desc_rts_stbc(pdesc,
417 ((ptcb_desc->rts_stbc) ? 1 : 0));
418
419 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
420 set_tx_desc_rts_bw(pdesc, 0);
421 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
422 set_tx_desc_rts_short(pdesc,
423 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
424 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
425 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
426
427 if (bw_40) {
428 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
429 set_tx_desc_data_bw(pdesc, 1);
430 set_tx_desc_tx_sub_carrier(pdesc, 3);
431 } else {
432 set_tx_desc_data_bw(pdesc, 0);
433 set_tx_desc_tx_sub_carrier(pdesc,
434 mac->cur_40_prime_sc);
435 }
436 } else {
437 set_tx_desc_data_bw(pdesc, 0);
438 set_tx_desc_tx_sub_carrier(pdesc, 0);
439 }
440
441 set_tx_desc_linip(pdesc, 0);
442 set_tx_desc_pkt_size(pdesc, (u16)skb->len);
443
444 if (sta) {
445 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;
446 set_tx_desc_ampdu_density(pdesc, ampdu_density);
447 }
448
449 if (info->control.hw_key) {
450 struct ieee80211_key_conf *keyconf =
451 info->control.hw_key;
452
453 switch (keyconf->cipher) {
454 case WLAN_CIPHER_SUITE_WEP40:
455 case WLAN_CIPHER_SUITE_WEP104:
456 case WLAN_CIPHER_SUITE_TKIP:
457 set_tx_desc_sec_type(pdesc, 0x1);
458 break;
459 case WLAN_CIPHER_SUITE_CCMP:
460 set_tx_desc_sec_type(pdesc, 0x3);
461 break;
462 default:
463 set_tx_desc_sec_type(pdesc, 0x0);
464 break;
465
466 }
467 }
468
469 set_tx_desc_pkt_id(pdesc, 0);
470 set_tx_desc_queue_sel(pdesc, fw_qsel);
471
472 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
473 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
474 set_tx_desc_disable_fb(pdesc, 0);
475 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
476
477 if (ieee80211_is_data_qos(fc)) {
478 if (mac->rdg_en) {
479 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
480 "Enable RDG function.\n");
481 set_tx_desc_rdg_enable(pdesc, 1);
482 set_tx_desc_htc(pdesc, 1);
483 }
484 }
485 }
486
487 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
488 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
489
490 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);
491
492 set_tx_desc_tx_buffer_address(pdesc, mapping);
493
494 if (rtlpriv->dm.useramask) {
495 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
496 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
497 } else {
498 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
499 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index);
500 }
501
502 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
503 set_tx_desc_hwseq_en_8723(pdesc, 1);
504 /* set_tx_desc_hwseq_en(pdesc, 1); */
505 /* set_tx_desc_pkt_id(pdesc, 8); */
506
507 if (!b_defaultadapter)
508 set_tx_desc_hwseq_sel_8723(pdesc, 1);
509 /* set_tx_desc_qos(pdesc, 1); */
510 }
511
512 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
513
514 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
515 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
516 set_tx_desc_bmc(pdesc, 1);
517 }
518
519 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
520 }
521
rtl8723e_tx_fill_cmddesc(struct ieee80211_hw * hw,u8 * pdesc8,bool firstseg,bool lastseg,struct sk_buff * skb)522 void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw,
523 u8 *pdesc8, bool firstseg,
524 bool lastseg, struct sk_buff *skb)
525 {
526 struct rtl_priv *rtlpriv = rtl_priv(hw);
527 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
528 u8 fw_queue = QSLT_BEACON;
529 __le32 *pdesc = (__le32 *)pdesc8;
530
531 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
532 __le16 fc = hdr->frame_control;
533
534 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
535 skb->len, DMA_TO_DEVICE);
536
537 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
538 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
539 "DMA mapping error\n");
540 return;
541 }
542 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
543
544 if (firstseg)
545 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
546
547 set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
548
549 set_tx_desc_seq(pdesc, 0);
550
551 set_tx_desc_linip(pdesc, 0);
552
553 set_tx_desc_queue_sel(pdesc, fw_queue);
554
555 set_tx_desc_first_seg(pdesc, 1);
556 set_tx_desc_last_seg(pdesc, 1);
557
558 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
559
560 set_tx_desc_tx_buffer_address(pdesc, mapping);
561
562 set_tx_desc_rate_id(pdesc, 7);
563 set_tx_desc_macid(pdesc, 0);
564
565 set_tx_desc_own(pdesc, 1);
566
567 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
568
569 set_tx_desc_first_seg(pdesc, 1);
570 set_tx_desc_last_seg(pdesc, 1);
571
572 set_tx_desc_offset(pdesc, 0x20);
573
574 set_tx_desc_use_rate(pdesc, 1);
575
576 if (!ieee80211_is_data_qos(fc)) {
577 set_tx_desc_hwseq_en_8723(pdesc, 1);
578 /* set_tx_desc_hwseq_en(pdesc, 1); */
579 /* set_tx_desc_pkt_id(pdesc, 8); */
580 }
581
582 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
583 "H2C Tx Cmd Content\n",
584 pdesc, TX_DESC_SIZE);
585 }
586
rtl8723e_set_desc(struct ieee80211_hw * hw,u8 * pdesc8,bool istx,u8 desc_name,u8 * val)587 void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
588 bool istx, u8 desc_name, u8 *val)
589 {
590 __le32 *pdesc = (__le32 *)pdesc8;
591
592 if (istx) {
593 switch (desc_name) {
594 case HW_DESC_OWN:
595 set_tx_desc_own(pdesc, 1);
596 break;
597 case HW_DESC_TX_NEXTDESC_ADDR:
598 set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
599 break;
600 default:
601 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
602 desc_name);
603 break;
604 }
605 } else {
606 switch (desc_name) {
607 case HW_DESC_RXOWN:
608 set_rx_desc_own(pdesc, 1);
609 break;
610 case HW_DESC_RXBUFF_ADDR:
611 set_rx_desc_buff_addr(pdesc, *(u32 *)val);
612 break;
613 case HW_DESC_RXPKT_LEN:
614 set_rx_desc_pkt_len(pdesc, *(u32 *)val);
615 break;
616 case HW_DESC_RXERO:
617 set_rx_desc_eor(pdesc, 1);
618 break;
619 default:
620 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
621 desc_name);
622 break;
623 }
624 }
625 }
626
rtl8723e_get_desc(struct ieee80211_hw * hw,u8 * pdesc8,bool istx,u8 desc_name)627 u64 rtl8723e_get_desc(struct ieee80211_hw *hw,
628 u8 *pdesc8, bool istx, u8 desc_name)
629 {
630 u32 ret = 0;
631 __le32 *pdesc = (__le32 *)pdesc8;
632
633 if (istx) {
634 switch (desc_name) {
635 case HW_DESC_OWN:
636 ret = get_tx_desc_own(pdesc);
637 break;
638 case HW_DESC_TXBUFF_ADDR:
639 ret = get_tx_desc_tx_buffer_address(pdesc);
640 break;
641 default:
642 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
643 desc_name);
644 break;
645 }
646 } else {
647 switch (desc_name) {
648 case HW_DESC_OWN:
649 ret = get_rx_desc_own(pdesc);
650 break;
651 case HW_DESC_RXPKT_LEN:
652 ret = get_rx_desc_pkt_len(pdesc);
653 break;
654 case HW_DESC_RXBUFF_ADDR:
655 ret = get_rx_desc_buff_addr(pdesc);
656 break;
657 default:
658 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
659 desc_name);
660 break;
661 }
662 }
663 return ret;
664 }
665
rtl8723e_is_tx_desc_closed(struct ieee80211_hw * hw,u8 hw_queue,u16 index)666 bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
667 u8 hw_queue, u16 index)
668 {
669 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
670 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
671 u8 *entry = (u8 *)(&ring->desc[ring->idx]);
672 u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN);
673
674 /**
675 *beacon packet will only use the first
676 *descriptor defautly,and the own may not
677 *be cleared by the hardware
678 */
679 if (own)
680 return false;
681 return true;
682 }
683
rtl8723e_tx_polling(struct ieee80211_hw * hw,u8 hw_queue)684 void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
685 {
686 struct rtl_priv *rtlpriv = rtl_priv(hw);
687 if (hw_queue == BEACON_QUEUE) {
688 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
689 } else {
690 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
691 BIT(0) << (hw_queue));
692 }
693 }
694