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Merge branch 'timer/cleanup' into late/mvebu2
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / rtlwifi / rtl8723ae / trx.c
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2012 Realtek Corporation.
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 "../stats.h"
34 #include "reg.h"
35 #include "def.h"
36 #include "phy.h"
37 #include "trx.h"
38 #include "led.h"
39
40 static u8 _rtl8723ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
41 {
42 __le16 fc = rtl_get_fc(skb);
43
44 if (unlikely(ieee80211_is_beacon(fc)))
45 return QSLT_BEACON;
46 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
47 return QSLT_MGNT;
48
49 return skb->priority;
50 }
51
52 static void _rtl8723ae_query_rxphystatus(struct ieee80211_hw *hw,
53 struct rtl_stats *pstatus, u8 *pdesc,
54 struct rx_fwinfo_8723e *p_drvinfo,
55 bool bpacket_match_bssid,
56 bool bpacket_toself, bool packet_beacon)
57 {
58 struct rtl_priv *rtlpriv = rtl_priv(hw);
59 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
60 struct phy_sts_cck_8723e_t *cck_buf;
61 s8 rx_pwr_all, rx_pwr[4];
62 u8 rf_rx_num = 0, evm, pwdb_all;
63 u8 i, max_spatial_stream;
64 u32 rssi, total_rssi = 0;
65 bool is_cck = pstatus->is_cck;
66
67 /* Record it for next packet processing */
68 pstatus->packet_matchbssid = bpacket_match_bssid;
69 pstatus->packet_toself = bpacket_toself;
70 pstatus->packet_beacon = packet_beacon;
71 pstatus->rx_mimo_sig_qual[0] = -1;
72 pstatus->rx_mimo_sig_qual[1] = -1;
73
74 if (is_cck) {
75 u8 report, cck_highpwr;
76
77 /* CCK Driver info Structure is not the same as OFDM packet. */
78 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
79
80 /* (1)Hardware does not provide RSSI for CCK
81 * (2)PWDB, Average PWDB cacluated by
82 * hardware (for rate adaptive)
83 */
84 if (ppsc->rfpwr_state == ERFON)
85 cck_highpwr = (u8) rtl_get_bbreg(hw,
86 RFPGA0_XA_HSSIPARAMETER2,
87 BIT(9));
88 else
89 cck_highpwr = false;
90
91 if (!cck_highpwr) {
92 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
93 report = cck_buf->cck_agc_rpt & 0xc0;
94 report = report >> 6;
95 switch (report) {
96 case 0x3:
97 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
98 break;
99 case 0x2:
100 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
101 break;
102 case 0x1:
103 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
104 break;
105 case 0x0:
106 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
107 break;
108 }
109 } else {
110 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
111 report = p_drvinfo->cfosho[0] & 0x60;
112 report = report >> 5;
113 switch (report) {
114 case 0x3:
115 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
116 break;
117 case 0x2:
118 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
119 break;
120 case 0x1:
121 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
122 break;
123 case 0x0:
124 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
125 break;
126 }
127 }
128
129 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
130 /* CCK gain is smaller than OFDM/MCS gain,
131 * so we add gain diff. From experience, the val is 6
132 */
133 pwdb_all += 6;
134 if (pwdb_all > 100)
135 pwdb_all = 100;
136 /* modify the offset to make the same
137 * gain index with OFDM.
138 */
139 if (pwdb_all > 34 && pwdb_all <= 42)
140 pwdb_all -= 2;
141 else if (pwdb_all > 26 && pwdb_all <= 34)
142 pwdb_all -= 6;
143 else if (pwdb_all > 14 && pwdb_all <= 26)
144 pwdb_all -= 8;
145 else if (pwdb_all > 4 && pwdb_all <= 14)
146 pwdb_all -= 4;
147
148 pstatus->rx_pwdb_all = pwdb_all;
149 pstatus->recvsignalpower = rx_pwr_all;
150
151 /* (3) Get Signal Quality (EVM) */
152 if (bpacket_match_bssid) {
153 u8 sq;
154
155 if (pstatus->rx_pwdb_all > 40) {
156 sq = 100;
157 } else {
158 sq = cck_buf->sq_rpt;
159 if (sq > 64)
160 sq = 0;
161 else if (sq < 20)
162 sq = 100;
163 else
164 sq = ((64 - sq) * 100) / 44;
165 }
166
167 pstatus->signalquality = sq;
168 pstatus->rx_mimo_sig_qual[0] = sq;
169 pstatus->rx_mimo_sig_qual[1] = -1;
170 }
171 } else {
172 rtlpriv->dm.rfpath_rxenable[0] =
173 rtlpriv->dm.rfpath_rxenable[1] = true;
174
175 /* (1)Get RSSI for HT rate */
176 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
177
178 /* we will judge RF RX path now. */
179 if (rtlpriv->dm.rfpath_rxenable[i])
180 rf_rx_num++;
181
182 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f)*2) - 110;
183
184 /* Translate DBM to percentage. */
185 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
186 total_rssi += rssi;
187
188 /* Get Rx snr value in DB */
189 rtlpriv->stats.rx_snr_db[i] = (p_drvinfo->rxsnr[i] / 2);
190
191 /* Record Signal Strength for next packet */
192 if (bpacket_match_bssid)
193 pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
194 }
195
196 /* (2)PWDB, Average PWDB cacluated by
197 * hardware (for rate adaptive)
198 */
199 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
200
201 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
202 pstatus->rx_pwdb_all = pwdb_all;
203 pstatus->rxpower = rx_pwr_all;
204 pstatus->recvsignalpower = rx_pwr_all;
205
206 /* (3)EVM of HT rate */
207 if (pstatus->is_ht && pstatus->rate >= DESC92_RATEMCS8 &&
208 pstatus->rate <= DESC92_RATEMCS15)
209 max_spatial_stream = 2;
210 else
211 max_spatial_stream = 1;
212
213 for (i = 0; i < max_spatial_stream; i++) {
214 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
215
216 if (bpacket_match_bssid) {
217 /* Fill value in RFD, Get the first
218 * spatial stream only
219 */
220 if (i == 0)
221 pstatus->signalquality = (evm & 0xff);
222 pstatus->rx_mimo_sig_qual[i] = (evm & 0xff);
223 }
224 }
225 }
226
227 /* UI BSS List signal strength(in percentage),
228 * make it good looking, from 0~100.
229 */
230 if (is_cck)
231 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
232 pwdb_all));
233 else if (rf_rx_num != 0)
234 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
235 total_rssi /= rf_rx_num));
236 }
237
238 static void _rtl8723ae_translate_rx_signal_stuff(struct ieee80211_hw *hw,
239 struct sk_buff *skb, struct rtl_stats *pstatus,
240 u8 *pdesc, struct rx_fwinfo_8723e *p_drvinfo)
241 {
242 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
243 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
244 struct ieee80211_hdr *hdr;
245 u8 *tmp_buf;
246 u8 *praddr;
247 u8 *psaddr;
248 __le16 fc;
249 u16 type;
250 bool packet_matchbssid, packet_toself, packet_beacon;
251
252 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
253
254 hdr = (struct ieee80211_hdr *)tmp_buf;
255 fc = hdr->frame_control;
256 type = WLAN_FC_GET_TYPE(fc);
257 praddr = hdr->addr1;
258 psaddr = ieee80211_get_SA(hdr);
259
260 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
261 (!compare_ether_addr(mac->bssid,
262 (le16_to_cpu(fc) & IEEE80211_FCTL_TODS) ?
263 hdr->addr1 : (le16_to_cpu(fc) &
264 IEEE80211_FCTL_FROMDS) ?
265 hdr->addr2 : hdr->addr3)) && (!pstatus->hwerror) &&
266 (!pstatus->crc) && (!pstatus->icv));
267
268 packet_toself = packet_matchbssid &&
269 (!compare_ether_addr(praddr, rtlefuse->dev_addr));
270
271 if (ieee80211_is_beacon(fc))
272 packet_beacon = true;
273
274 _rtl8723ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
275 packet_matchbssid, packet_toself,
276 packet_beacon);
277
278 rtl_process_phyinfo(hw, tmp_buf, pstatus);
279 }
280
281 bool rtl8723ae_rx_query_desc(struct ieee80211_hw *hw,
282 struct rtl_stats *status,
283 struct ieee80211_rx_status *rx_status,
284 u8 *pdesc, struct sk_buff *skb)
285 {
286 struct rx_fwinfo_8723e *p_drvinfo;
287 struct ieee80211_hdr *hdr;
288 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
289
290 status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
291 status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
292 RX_DRV_INFO_SIZE_UNIT;
293 status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
294 status->icv = (u16) GET_RX_DESC_ICV(pdesc);
295 status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
296 status->hwerror = (status->crc | status->icv);
297 status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
298 status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
299 status->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
300 status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
301 status->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
302 && (GET_RX_DESC_FAGGR(pdesc) == 1));
303 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
304 status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
305 status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
306
307 status->is_cck = RTL8723E_RX_HAL_IS_CCK_RATE(status->rate);
308
309 rx_status->freq = hw->conf.channel->center_freq;
310 rx_status->band = hw->conf.channel->band;
311
312 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
313 + status->rx_bufshift);
314
315 if (status->crc)
316 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
317
318 if (status->rx_is40Mhzpacket)
319 rx_status->flag |= RX_FLAG_40MHZ;
320
321 if (status->is_ht)
322 rx_status->flag |= RX_FLAG_HT;
323
324 rx_status->flag |= RX_FLAG_MACTIME_START;
325
326 /* hw will set status->decrypted true, if it finds the
327 * frame is open data frame or mgmt frame.
328 * Thus hw will not decrypt a robust managment frame
329 * for IEEE80211w but still set status->decrypted
330 * true, so here we should set it back to undecrypted
331 * for IEEE80211w frame, and mac80211 sw will help
332 * to decrypt it
333 */
334 if (status->decrypted) {
335 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
336 (ieee80211_has_protected(hdr->frame_control)))
337 rx_status->flag &= ~RX_FLAG_DECRYPTED;
338 else
339 rx_status->flag |= RX_FLAG_DECRYPTED;
340 }
341
342 /* rate_idx: index of data rate into band's
343 * supported rates or MCS index if HT rates
344 * are use (RX_FLAG_HT)
345 */
346 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
347 status->rate, false);
348
349 rx_status->mactime = status->timestamp_low;
350 if (phystatus == true) {
351 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
352 status->rx_bufshift);
353
354 _rtl8723ae_translate_rx_signal_stuff(hw,
355 skb, status, pdesc, p_drvinfo);
356 }
357
358 /*rx_status->qual = status->signal; */
359 rx_status->signal = status->recvsignalpower + 10;
360 /*rx_status->noise = -status->noise; */
361
362 return true;
363 }
364
365 void rtl8723ae_tx_fill_desc(struct ieee80211_hw *hw,
366 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
367 struct ieee80211_tx_info *info,
368 struct ieee80211_sta *sta,
369 struct sk_buff *skb, u8 hw_queue,
370 struct rtl_tcb_desc *ptcdesc)
371 {
372 struct rtl_priv *rtlpriv = rtl_priv(hw);
373 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
374 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
375 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
376 bool defaultadapter = true;
377 u8 *pdesc = (u8 *) pdesc_tx;
378 u16 seq_number;
379 __le16 fc = hdr->frame_control;
380 u8 fw_qsel = _rtl8723ae_map_hwqueue_to_fwqueue(skb, hw_queue);
381 bool firstseg = ((hdr->seq_ctrl &
382 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
383 bool lastseg = ((hdr->frame_control &
384 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
385 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
386 skb->data, skb->len,
387 PCI_DMA_TODEVICE);
388 u8 bw_40 = 0;
389
390 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
391 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
392 "DMA mapping error");
393 return;
394 }
395 if (mac->opmode == NL80211_IFTYPE_STATION) {
396 bw_40 = mac->bw_40;
397 } else if (mac->opmode == NL80211_IFTYPE_AP ||
398 mac->opmode == NL80211_IFTYPE_ADHOC) {
399 if (sta)
400 bw_40 = sta->ht_cap.cap &
401 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
402 }
403
404 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
405
406 rtl_get_tcb_desc(hw, info, sta, skb, ptcdesc);
407
408 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
409
410 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
411 firstseg = true;
412 lastseg = true;
413 }
414
415 if (firstseg) {
416 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
417
418 SET_TX_DESC_TX_RATE(pdesc, ptcdesc->hw_rate);
419
420 if (ptcdesc->use_shortgi || ptcdesc->use_shortpreamble)
421 SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
422
423 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
424 SET_TX_DESC_AGG_BREAK(pdesc, 1);
425 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
426 }
427 SET_TX_DESC_SEQ(pdesc, seq_number);
428
429 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcdesc->rts_enable &&
430 !ptcdesc->
431 cts_enable) ? 1 : 0));
432 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
433 ((ptcdesc->rts_enable
434 || ptcdesc->cts_enable) ? 1 : 0));
435 SET_TX_DESC_CTS2SELF(pdesc, ((ptcdesc->cts_enable) ? 1 : 0));
436 SET_TX_DESC_RTS_STBC(pdesc, ((ptcdesc->rts_stbc) ? 1 : 0));
437
438 SET_TX_DESC_RTS_RATE(pdesc, ptcdesc->rts_rate);
439 SET_TX_DESC_RTS_BW(pdesc, 0);
440 SET_TX_DESC_RTS_SC(pdesc, ptcdesc->rts_sc);
441 SET_TX_DESC_RTS_SHORT(pdesc,
442 ((ptcdesc->rts_rate <= DESC92_RATE54M) ?
443 (ptcdesc->rts_use_shortpreamble ? 1 : 0)
444 : (ptcdesc->rts_use_shortgi ? 1 : 0)));
445
446 if (bw_40) {
447 if (ptcdesc->packet_bw) {
448 SET_TX_DESC_DATA_BW(pdesc, 1);
449 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
450 } else {
451 SET_TX_DESC_DATA_BW(pdesc, 0);
452 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
453 mac->cur_40_prime_sc);
454 }
455 } else {
456 SET_TX_DESC_DATA_BW(pdesc, 0);
457 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
458 }
459
460 SET_TX_DESC_LINIP(pdesc, 0);
461 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
462
463 if (sta) {
464 u8 ampdu_density = sta->ht_cap.ampdu_density;
465 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
466 }
467
468 if (info->control.hw_key) {
469 struct ieee80211_key_conf *keyconf =
470 info->control.hw_key;
471
472 switch (keyconf->cipher) {
473 case WLAN_CIPHER_SUITE_WEP40:
474 case WLAN_CIPHER_SUITE_WEP104:
475 case WLAN_CIPHER_SUITE_TKIP:
476 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
477 break;
478 case WLAN_CIPHER_SUITE_CCMP:
479 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
480 break;
481 default:
482 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
483 break;
484 }
485 }
486
487 SET_TX_DESC_PKT_ID(pdesc, 0);
488 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
489
490 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
491 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
492 SET_TX_DESC_DISABLE_FB(pdesc, 0);
493 SET_TX_DESC_USE_RATE(pdesc, ptcdesc->use_driver_rate ? 1 : 0);
494
495 if (ieee80211_is_data_qos(fc)) {
496 if (mac->rdg_en) {
497 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
498 "Enable RDG function.\n");
499 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
500 SET_TX_DESC_HTC(pdesc, 1);
501 }
502 }
503 }
504
505 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
506 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
507
508 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
509
510 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
511
512 if (rtlpriv->dm.useramask) {
513 SET_TX_DESC_RATE_ID(pdesc, ptcdesc->ratr_index);
514 SET_TX_DESC_MACID(pdesc, ptcdesc->mac_id);
515 } else {
516 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcdesc->ratr_index);
517 SET_TX_DESC_MACID(pdesc, ptcdesc->ratr_index);
518 }
519
520 if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
521 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
522
523 if (!defaultadapter)
524 SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
525 }
526
527 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
528
529 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
530 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
531 SET_TX_DESC_BMC(pdesc, 1);
532 }
533
534 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
535 }
536
537 void rtl8723ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
538 u8 *pdesc, bool firstseg,
539 bool lastseg, struct sk_buff *skb)
540 {
541 struct rtl_priv *rtlpriv = rtl_priv(hw);
542 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
543 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
544 u8 fw_queue = QSLT_BEACON;
545 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
546 skb->data, skb->len,
547 PCI_DMA_TODEVICE);
548 __le16 fc = hdr->frame_control;
549
550 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
551 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
552 "DMA mapping error");
553 return;
554 }
555 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
556
557 if (firstseg)
558 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
559
560 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
561
562 SET_TX_DESC_SEQ(pdesc, 0);
563
564 SET_TX_DESC_LINIP(pdesc, 0);
565
566 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
567
568 SET_TX_DESC_FIRST_SEG(pdesc, 1);
569 SET_TX_DESC_LAST_SEG(pdesc, 1);
570
571 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
572
573 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
574
575 SET_TX_DESC_RATE_ID(pdesc, 7);
576 SET_TX_DESC_MACID(pdesc, 0);
577
578 SET_TX_DESC_OWN(pdesc, 1);
579
580 SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
581
582 SET_TX_DESC_FIRST_SEG(pdesc, 1);
583 SET_TX_DESC_LAST_SEG(pdesc, 1);
584
585 SET_TX_DESC_OFFSET(pdesc, 0x20);
586
587 SET_TX_DESC_USE_RATE(pdesc, 1);
588
589 if (!ieee80211_is_data_qos(fc)) {
590 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
591 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
592 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
593 }
594
595 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
596 "H2C Tx Cmd Content\n",
597 pdesc, TX_DESC_SIZE);
598 }
599
600 void rtl8723ae_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
601 {
602 if (istx == true) {
603 switch (desc_name) {
604 case HW_DESC_OWN:
605 SET_TX_DESC_OWN(pdesc, 1);
606 break;
607 case HW_DESC_TX_NEXTDESC_ADDR:
608 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
609 break;
610 default:
611 RT_ASSERT(false, "ERR txdesc :%d not process\n",
612 desc_name);
613 break;
614 }
615 } else {
616 switch (desc_name) {
617 case HW_DESC_RXOWN:
618 SET_RX_DESC_OWN(pdesc, 1);
619 break;
620 case HW_DESC_RXBUFF_ADDR:
621 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
622 break;
623 case HW_DESC_RXPKT_LEN:
624 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
625 break;
626 case HW_DESC_RXERO:
627 SET_RX_DESC_EOR(pdesc, 1);
628 break;
629 default:
630 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
631 desc_name);
632 break;
633 }
634 }
635 }
636
637 u32 rtl8723ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
638 {
639 u32 ret = 0;
640
641 if (istx == true) {
642 switch (desc_name) {
643 case HW_DESC_OWN:
644 ret = GET_TX_DESC_OWN(pdesc);
645 break;
646 case HW_DESC_TXBUFF_ADDR:
647 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
648 break;
649 default:
650 RT_ASSERT(false, "ERR txdesc :%d not process\n",
651 desc_name);
652 break;
653 }
654 } else {
655 switch (desc_name) {
656 case HW_DESC_OWN:
657 ret = GET_RX_DESC_OWN(pdesc);
658 break;
659 case HW_DESC_RXPKT_LEN:
660 ret = GET_RX_DESC_PKT_LEN(pdesc);
661 break;
662 default:
663 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
664 desc_name);
665 break;
666 }
667 }
668 return ret;
669 }
670
671 void rtl8723ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
672 {
673 struct rtl_priv *rtlpriv = rtl_priv(hw);
674 if (hw_queue == BEACON_QUEUE) {
675 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
676 } else {
677 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
678 BIT(0) << (hw_queue));
679 }
680 }
kernel source for telekom puls (alcatel/mediatek)