mac80211: stop toggling IEEE80211_HT_CAP_SUP_WIDTH_20_40
[cascardo/linux.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         __le16 fc;
248         u16 type;
249         bool packet_matchbssid, packet_toself, packet_beacon = false;
250
251         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
252
253         hdr = (struct ieee80211_hdr *)tmp_buf;
254         fc = hdr->frame_control;
255         type = WLAN_FC_GET_TYPE(fc);
256         praddr = hdr->addr1;
257
258         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
259                             (!compare_ether_addr(mac->bssid,
260                             (le16_to_cpu(fc) & IEEE80211_FCTL_TODS) ?
261                             hdr->addr1 : (le16_to_cpu(fc) &
262                             IEEE80211_FCTL_FROMDS) ?
263                             hdr->addr2 : hdr->addr3)) && (!pstatus->hwerror) &&
264                             (!pstatus->crc) && (!pstatus->icv));
265
266         packet_toself = packet_matchbssid &&
267             (!compare_ether_addr(praddr, rtlefuse->dev_addr));
268
269         if (ieee80211_is_beacon(fc))
270                 packet_beacon = true;
271
272         _rtl8723ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
273                                    packet_matchbssid, packet_toself,
274                                    packet_beacon);
275
276         rtl_process_phyinfo(hw, tmp_buf, pstatus);
277 }
278
279 bool rtl8723ae_rx_query_desc(struct ieee80211_hw *hw,
280                              struct rtl_stats *status,
281                              struct ieee80211_rx_status *rx_status,
282                              u8 *pdesc, struct sk_buff *skb)
283 {
284         struct rx_fwinfo_8723e *p_drvinfo;
285         struct ieee80211_hdr *hdr;
286         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
287
288         status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
289         status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
290                                    RX_DRV_INFO_SIZE_UNIT;
291         status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
292         status->icv = (u16) GET_RX_DESC_ICV(pdesc);
293         status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
294         status->hwerror = (status->crc | status->icv);
295         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
296         status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
297         status->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
298         status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
299         status->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
300                                  && (GET_RX_DESC_FAGGR(pdesc) == 1));
301         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
302         status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
303         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
304
305         status->is_cck = RTL8723E_RX_HAL_IS_CCK_RATE(status->rate);
306
307         rx_status->freq = hw->conf.channel->center_freq;
308         rx_status->band = hw->conf.channel->band;
309
310         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
311                 + status->rx_bufshift);
312
313         if (status->crc)
314                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
315
316         if (status->rx_is40Mhzpacket)
317                 rx_status->flag |= RX_FLAG_40MHZ;
318
319         if (status->is_ht)
320                 rx_status->flag |= RX_FLAG_HT;
321
322         rx_status->flag |= RX_FLAG_MACTIME_START;
323
324         /* hw will set status->decrypted true, if it finds the
325          * frame is open data frame or mgmt frame.
326          * Thus hw will not decrypt a robust managment frame
327          * for IEEE80211w but still set status->decrypted
328          * true, so here we should set it back to undecrypted
329          * for IEEE80211w frame, and mac80211 sw will help
330          * to decrypt it
331          */
332         if (status->decrypted) {
333                 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
334                         (ieee80211_has_protected(hdr->frame_control)))
335                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
336                 else
337                         rx_status->flag |= RX_FLAG_DECRYPTED;
338         }
339
340         /* rate_idx: index of data rate into band's
341          * supported rates or MCS index if HT rates
342          * are use (RX_FLAG_HT)
343          */
344         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
345                                                    status->rate, false);
346
347         rx_status->mactime = status->timestamp_low;
348         if (phystatus == true) {
349                 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
350                              status->rx_bufshift);
351
352                 _rtl8723ae_translate_rx_signal_stuff(hw,
353                            skb, status, pdesc, p_drvinfo);
354         }
355
356         /*rx_status->qual = status->signal; */
357         rx_status->signal = status->recvsignalpower + 10;
358         /*rx_status->noise = -status->noise; */
359
360         return true;
361 }
362
363 void rtl8723ae_tx_fill_desc(struct ieee80211_hw *hw,
364                             struct ieee80211_hdr *hdr, u8 *pdesc_tx,
365                             struct ieee80211_tx_info *info,
366                             struct ieee80211_sta *sta,
367                             struct sk_buff *skb, u8 hw_queue,
368                             struct rtl_tcb_desc *ptcdesc)
369 {
370         struct rtl_priv *rtlpriv = rtl_priv(hw);
371         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
372         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
373         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
374         bool defaultadapter = true;
375         u8 *pdesc = (u8 *) pdesc_tx;
376         u16 seq_number;
377         __le16 fc = hdr->frame_control;
378         u8 fw_qsel = _rtl8723ae_map_hwqueue_to_fwqueue(skb, hw_queue);
379         bool firstseg = ((hdr->seq_ctrl &
380                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
381         bool lastseg = ((hdr->frame_control &
382                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
383         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
384                                             skb->data, skb->len,
385                                             PCI_DMA_TODEVICE);
386         u8 bw_40 = 0;
387
388         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
389                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
390                          "DMA mapping error");
391                 return;
392         }
393         if (mac->opmode == NL80211_IFTYPE_STATION) {
394                 bw_40 = mac->bw_40;
395         } else if (mac->opmode == NL80211_IFTYPE_AP ||
396                 mac->opmode == NL80211_IFTYPE_ADHOC) {
397                 if (sta)
398                         bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
399         }
400
401         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
402
403         rtl_get_tcb_desc(hw, info, sta, skb, ptcdesc);
404
405         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
406
407         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
408                 firstseg = true;
409                 lastseg = true;
410         }
411
412         if (firstseg) {
413                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
414
415                 SET_TX_DESC_TX_RATE(pdesc, ptcdesc->hw_rate);
416
417                 if (ptcdesc->use_shortgi || ptcdesc->use_shortpreamble)
418                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
419
420                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
421                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
422                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
423                 }
424                 SET_TX_DESC_SEQ(pdesc, seq_number);
425
426                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcdesc->rts_enable &&
427                                                 !ptcdesc->
428                                                 cts_enable) ? 1 : 0));
429                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
430                                           ((ptcdesc->rts_enable
431                                             || ptcdesc->cts_enable) ? 1 : 0));
432                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcdesc->cts_enable) ? 1 : 0));
433                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcdesc->rts_stbc) ? 1 : 0));
434
435                 SET_TX_DESC_RTS_RATE(pdesc, ptcdesc->rts_rate);
436                 SET_TX_DESC_RTS_BW(pdesc, 0);
437                 SET_TX_DESC_RTS_SC(pdesc, ptcdesc->rts_sc);
438                 SET_TX_DESC_RTS_SHORT(pdesc,
439                                       ((ptcdesc->rts_rate <= DESC92_RATE54M) ?
440                                        (ptcdesc->rts_use_shortpreamble ? 1 : 0)
441                                        : (ptcdesc->rts_use_shortgi ? 1 : 0)));
442
443                 if (bw_40) {
444                         if (ptcdesc->packet_bw) {
445                                 SET_TX_DESC_DATA_BW(pdesc, 1);
446                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
447                         } else {
448                                 SET_TX_DESC_DATA_BW(pdesc, 0);
449                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
450                                                          mac->cur_40_prime_sc);
451                         }
452                 } else {
453                         SET_TX_DESC_DATA_BW(pdesc, 0);
454                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
455                 }
456
457                 SET_TX_DESC_LINIP(pdesc, 0);
458                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
459
460                 if (sta) {
461                         u8 ampdu_density = sta->ht_cap.ampdu_density;
462                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
463                 }
464
465                 if (info->control.hw_key) {
466                         struct ieee80211_key_conf *keyconf =
467                             info->control.hw_key;
468
469                         switch (keyconf->cipher) {
470                         case WLAN_CIPHER_SUITE_WEP40:
471                         case WLAN_CIPHER_SUITE_WEP104:
472                         case WLAN_CIPHER_SUITE_TKIP:
473                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
474                                 break;
475                         case WLAN_CIPHER_SUITE_CCMP:
476                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
477                                 break;
478                         default:
479                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
480                                 break;
481                         }
482                 }
483
484                 SET_TX_DESC_PKT_ID(pdesc, 0);
485                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
486
487                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
488                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
489                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
490                 SET_TX_DESC_USE_RATE(pdesc, ptcdesc->use_driver_rate ? 1 : 0);
491
492                 if (ieee80211_is_data_qos(fc)) {
493                         if (mac->rdg_en) {
494                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
495                                          "Enable RDG function.\n");
496                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
497                                 SET_TX_DESC_HTC(pdesc, 1);
498                         }
499                 }
500         }
501
502         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
503         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
504
505         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
506
507         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
508
509         if (rtlpriv->dm.useramask) {
510                 SET_TX_DESC_RATE_ID(pdesc, ptcdesc->ratr_index);
511                 SET_TX_DESC_MACID(pdesc, ptcdesc->mac_id);
512         } else {
513                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcdesc->ratr_index);
514                 SET_TX_DESC_MACID(pdesc, ptcdesc->ratr_index);
515         }
516
517         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
518                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
519
520                 if (!defaultadapter)
521                         SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
522         }
523
524         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
525
526         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
527             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
528                 SET_TX_DESC_BMC(pdesc, 1);
529         }
530
531         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
532 }
533
534 void rtl8723ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
535                               u8 *pdesc, bool firstseg,
536                               bool lastseg, struct sk_buff *skb)
537 {
538         struct rtl_priv *rtlpriv = rtl_priv(hw);
539         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
540         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
541         u8 fw_queue = QSLT_BEACON;
542         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
543                                             skb->data, skb->len,
544                                             PCI_DMA_TODEVICE);
545         __le16 fc = hdr->frame_control;
546
547         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
548                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
549                          "DMA mapping error");
550                 return;
551         }
552         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
553
554         if (firstseg)
555                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
556
557         SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
558
559         SET_TX_DESC_SEQ(pdesc, 0);
560
561         SET_TX_DESC_LINIP(pdesc, 0);
562
563         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
564
565         SET_TX_DESC_FIRST_SEG(pdesc, 1);
566         SET_TX_DESC_LAST_SEG(pdesc, 1);
567
568         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
569
570         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
571
572         SET_TX_DESC_RATE_ID(pdesc, 7);
573         SET_TX_DESC_MACID(pdesc, 0);
574
575         SET_TX_DESC_OWN(pdesc, 1);
576
577         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
578
579         SET_TX_DESC_FIRST_SEG(pdesc, 1);
580         SET_TX_DESC_LAST_SEG(pdesc, 1);
581
582         SET_TX_DESC_OFFSET(pdesc, 0x20);
583
584         SET_TX_DESC_USE_RATE(pdesc, 1);
585
586         if (!ieee80211_is_data_qos(fc)) {
587                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
588                 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
589                 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
590         }
591
592         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
593                       "H2C Tx Cmd Content\n",
594                       pdesc, TX_DESC_SIZE);
595 }
596
597 void rtl8723ae_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
598 {
599         if (istx == true) {
600                 switch (desc_name) {
601                 case HW_DESC_OWN:
602                         SET_TX_DESC_OWN(pdesc, 1);
603                         break;
604                 case HW_DESC_TX_NEXTDESC_ADDR:
605                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
606                         break;
607                 default:
608                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
609                                   desc_name);
610                         break;
611                 }
612         } else {
613                 switch (desc_name) {
614                 case HW_DESC_RXOWN:
615                         SET_RX_DESC_OWN(pdesc, 1);
616                         break;
617                 case HW_DESC_RXBUFF_ADDR:
618                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
619                         break;
620                 case HW_DESC_RXPKT_LEN:
621                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
622                         break;
623                 case HW_DESC_RXERO:
624                         SET_RX_DESC_EOR(pdesc, 1);
625                         break;
626                 default:
627                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
628                                   desc_name);
629                         break;
630                 }
631         }
632 }
633
634 u32 rtl8723ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
635 {
636         u32 ret = 0;
637
638         if (istx == true) {
639                 switch (desc_name) {
640                 case HW_DESC_OWN:
641                         ret = GET_TX_DESC_OWN(pdesc);
642                         break;
643                 case HW_DESC_TXBUFF_ADDR:
644                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
645                         break;
646                 default:
647                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
648                                   desc_name);
649                         break;
650                 }
651         } else {
652                 switch (desc_name) {
653                 case HW_DESC_OWN:
654                         ret = GET_RX_DESC_OWN(pdesc);
655                         break;
656                 case HW_DESC_RXPKT_LEN:
657                         ret = GET_RX_DESC_PKT_LEN(pdesc);
658                         break;
659                 default:
660                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
661                                   desc_name);
662                         break;
663                 }
664         }
665         return ret;
666 }
667
668 void rtl8723ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
669 {
670         struct rtl_priv *rtlpriv = rtl_priv(hw);
671         if (hw_queue == BEACON_QUEUE) {
672                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
673         } else {
674                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
675                                BIT(0) << (hw_queue));
676         }
677 }