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_trigger_ac = false; */
353 u8 *pdesc8 = (u8 *)pdesc_tx;
354 __le32 *pdesc = (__le32 *)pdesc8;
355 u16 seq_number;
356 __le16 fc = hdr->frame_control;
357 u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
358 bool firstseg = ((hdr->seq_ctrl &
359 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
360
361 bool lastseg = ((hdr->frame_control &
362 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
363
364 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
365 skb->len, DMA_TO_DEVICE);
366 u8 bw_40 = 0;
367
368 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
369 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
370 "DMA mapping error\n");
371 return;
372 }
373 if (mac->opmode == NL80211_IFTYPE_STATION) {
374 bw_40 = mac->bw_40;
375 } else if (mac->opmode == NL80211_IFTYPE_AP ||
376 mac->opmode == NL80211_IFTYPE_ADHOC) {
377 if (sta)
378 bw_40 = sta->deflink.ht_cap.cap &
379 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
380 }
381
382 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
383
384 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
385
386 clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723e));
387
388 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
389 firstseg = true;
390 lastseg = true;
391 }
392
393 if (firstseg) {
394 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
395
396 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
397
398 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
399 set_tx_desc_data_shortgi(pdesc, 1);
400
401 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
402 set_tx_desc_agg_break(pdesc, 1);
403 set_tx_desc_max_agg_num(pdesc, 0x14);
404 }
405 set_tx_desc_seq(pdesc, seq_number);
406
407 set_tx_desc_rts_enable(pdesc,
408 ((ptcb_desc->rts_enable &&
409 !ptcb_desc->cts_enable) ? 1 : 0));
410 set_tx_desc_hw_rts_enable(pdesc,
411 ((ptcb_desc->rts_enable ||
412 ptcb_desc->cts_enable) ? 1 : 0));
413 set_tx_desc_cts2self(pdesc,
414 ((ptcb_desc->cts_enable) ? 1 : 0));
415 set_tx_desc_rts_stbc(pdesc,
416 ((ptcb_desc->rts_stbc) ? 1 : 0));
417
418 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
419 set_tx_desc_rts_bw(pdesc, 0);
420 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
421 set_tx_desc_rts_short(pdesc,
422 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
423 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
424 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
425
426 if (bw_40) {
427 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
428 set_tx_desc_data_bw(pdesc, 1);
429 set_tx_desc_tx_sub_carrier(pdesc, 3);
430 } else {
431 set_tx_desc_data_bw(pdesc, 0);
432 set_tx_desc_tx_sub_carrier(pdesc,
433 mac->cur_40_prime_sc);
434 }
435 } else {
436 set_tx_desc_data_bw(pdesc, 0);
437 set_tx_desc_tx_sub_carrier(pdesc, 0);
438 }
439
440 set_tx_desc_linip(pdesc, 0);
441 set_tx_desc_pkt_size(pdesc, (u16)skb->len);
442
443 if (sta) {
444 u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;
445 set_tx_desc_ampdu_density(pdesc, ampdu_density);
446 }
447
448 if (info->control.hw_key) {
449 struct ieee80211_key_conf *keyconf =
450 info->control.hw_key;
451
452 switch (keyconf->cipher) {
453 case WLAN_CIPHER_SUITE_WEP40:
454 case WLAN_CIPHER_SUITE_WEP104:
455 case WLAN_CIPHER_SUITE_TKIP:
456 set_tx_desc_sec_type(pdesc, 0x1);
457 break;
458 case WLAN_CIPHER_SUITE_CCMP:
459 set_tx_desc_sec_type(pdesc, 0x3);
460 break;
461 default:
462 set_tx_desc_sec_type(pdesc, 0x0);
463 break;
464
465 }
466 }
467
468 set_tx_desc_pkt_id(pdesc, 0);
469 set_tx_desc_queue_sel(pdesc, fw_qsel);
470
471 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
472 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
473 set_tx_desc_disable_fb(pdesc, 0);
474 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
475
476 if (ieee80211_is_data_qos(fc)) {
477 if (mac->rdg_en) {
478 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
479 "Enable RDG function.\n");
480 set_tx_desc_rdg_enable(pdesc, 1);
481 set_tx_desc_htc(pdesc, 1);
482 }
483 }
484 }
485
486 set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
487 set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
488
489 set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);
490
491 set_tx_desc_tx_buffer_address(pdesc, mapping);
492
493 if (rtlpriv->dm.useramask) {
494 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
495 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
496 } else {
497 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
498 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index);
499 }
500
501 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
502 set_tx_desc_hwseq_en_8723(pdesc, 1);
503 /* set_tx_desc_hwseq_en(pdesc, 1); */
504 /* set_tx_desc_pkt_id(pdesc, 8); */
505 /* set_tx_desc_qos(pdesc, 1); */
506 }
507
508 set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
509
510 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
511 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
512 set_tx_desc_bmc(pdesc, 1);
513 }
514
515 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
516 }
517
rtl8723e_tx_fill_cmddesc(struct ieee80211_hw * hw,u8 * pdesc8,struct sk_buff * skb)518 void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
519 struct sk_buff *skb)
520 {
521 struct rtl_priv *rtlpriv = rtl_priv(hw);
522 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
523 u8 fw_queue = QSLT_BEACON;
524 __le32 *pdesc = (__le32 *)pdesc8;
525
526 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
527 __le16 fc = hdr->frame_control;
528
529 dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
530 skb->len, DMA_TO_DEVICE);
531
532 if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
533 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
534 "DMA mapping error\n");
535 return;
536 }
537 clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
538
539 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
540
541 set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
542
543 set_tx_desc_seq(pdesc, 0);
544
545 set_tx_desc_linip(pdesc, 0);
546
547 set_tx_desc_queue_sel(pdesc, fw_queue);
548
549 set_tx_desc_first_seg(pdesc, 1);
550 set_tx_desc_last_seg(pdesc, 1);
551
552 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
553
554 set_tx_desc_tx_buffer_address(pdesc, mapping);
555
556 set_tx_desc_rate_id(pdesc, 7);
557 set_tx_desc_macid(pdesc, 0);
558
559 set_tx_desc_own(pdesc, 1);
560
561 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
562
563 set_tx_desc_first_seg(pdesc, 1);
564 set_tx_desc_last_seg(pdesc, 1);
565
566 set_tx_desc_offset(pdesc, 0x20);
567
568 set_tx_desc_use_rate(pdesc, 1);
569
570 if (!ieee80211_is_data_qos(fc)) {
571 set_tx_desc_hwseq_en_8723(pdesc, 1);
572 /* set_tx_desc_hwseq_en(pdesc, 1); */
573 /* set_tx_desc_pkt_id(pdesc, 8); */
574 }
575
576 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
577 "H2C Tx Cmd Content\n",
578 pdesc, TX_DESC_SIZE);
579 }
580
rtl8723e_set_desc(struct ieee80211_hw * hw,u8 * pdesc8,bool istx,u8 desc_name,u8 * val)581 void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
582 bool istx, u8 desc_name, u8 *val)
583 {
584 __le32 *pdesc = (__le32 *)pdesc8;
585
586 if (istx) {
587 switch (desc_name) {
588 case HW_DESC_OWN:
589 set_tx_desc_own(pdesc, 1);
590 break;
591 case HW_DESC_TX_NEXTDESC_ADDR:
592 set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
593 break;
594 default:
595 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
596 desc_name);
597 break;
598 }
599 } else {
600 switch (desc_name) {
601 case HW_DESC_RXOWN:
602 set_rx_desc_own(pdesc, 1);
603 break;
604 case HW_DESC_RXBUFF_ADDR:
605 set_rx_desc_buff_addr(pdesc, *(u32 *)val);
606 break;
607 case HW_DESC_RXPKT_LEN:
608 set_rx_desc_pkt_len(pdesc, *(u32 *)val);
609 break;
610 case HW_DESC_RXERO:
611 set_rx_desc_eor(pdesc, 1);
612 break;
613 default:
614 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
615 desc_name);
616 break;
617 }
618 }
619 }
620
rtl8723e_get_desc(struct ieee80211_hw * hw,u8 * pdesc8,bool istx,u8 desc_name)621 u64 rtl8723e_get_desc(struct ieee80211_hw *hw,
622 u8 *pdesc8, bool istx, u8 desc_name)
623 {
624 u32 ret = 0;
625 __le32 *pdesc = (__le32 *)pdesc8;
626
627 if (istx) {
628 switch (desc_name) {
629 case HW_DESC_OWN:
630 ret = get_tx_desc_own(pdesc);
631 break;
632 case HW_DESC_TXBUFF_ADDR:
633 ret = get_tx_desc_tx_buffer_address(pdesc);
634 break;
635 default:
636 WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
637 desc_name);
638 break;
639 }
640 } else {
641 switch (desc_name) {
642 case HW_DESC_OWN:
643 ret = get_rx_desc_own(pdesc);
644 break;
645 case HW_DESC_RXPKT_LEN:
646 ret = get_rx_desc_pkt_len(pdesc);
647 break;
648 case HW_DESC_RXBUFF_ADDR:
649 ret = get_rx_desc_buff_addr(pdesc);
650 break;
651 default:
652 WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
653 desc_name);
654 break;
655 }
656 }
657 return ret;
658 }
659
rtl8723e_is_tx_desc_closed(struct ieee80211_hw * hw,u8 hw_queue,u16 index)660 bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
661 u8 hw_queue, u16 index)
662 {
663 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
664 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
665 u8 *entry = (u8 *)(&ring->desc[ring->idx]);
666 u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN);
667
668 /**
669 *beacon packet will only use the first
670 *descriptor defautly,and the own may not
671 *be cleared by the hardware
672 */
673 if (own)
674 return false;
675 return true;
676 }
677
rtl8723e_tx_polling(struct ieee80211_hw * hw,u8 hw_queue)678 void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
679 {
680 struct rtl_priv *rtlpriv = rtl_priv(hw);
681 if (hw_queue == BEACON_QUEUE) {
682 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
683 } else {
684 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
685 BIT(0) << (hw_queue));
686 }
687 }
688