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powerpc/eeh: Fix PE#0 check in eeh_add_to_parent_pe()
[linux/fpc-iii.git] / drivers / net / wireless / rtlwifi / rtl8188ee / trx.c
blob791efbe6b18c1daa9791d8885327043837a43f70
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2013 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 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26 #include "../wifi.h"
27 #include "../pci.h"
28 #include "../base.h"
29 #include "../stats.h"
30 #include "reg.h"
31 #include "def.h"
32 #include "phy.h"
33 #include "trx.h"
34 #include "led.h"
35 #include "dm.h"
36 #include "phy.h"
37
38 static u8 _rtl88ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
39 {
40 __le16 fc = rtl_get_fc(skb);
41
42 if (unlikely(ieee80211_is_beacon(fc)))
43 return QSLT_BEACON;
44 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
45 return QSLT_MGNT;
46
47 return skb->priority;
48 }
49
50 static void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
51 struct rtl_stats *pstatus, u8 *pdesc,
52 struct rx_fwinfo_88e *p_drvinfo,
53 bool bpacket_match_bssid,
54 bool bpacket_toself, bool packet_beacon)
55 {
56 struct rtl_priv *rtlpriv = rtl_priv(hw);
57 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
58 struct phy_sts_cck_8192s_t *cck_buf;
59 struct phy_status_rpt *phystrpt =
60 (struct phy_status_rpt *)p_drvinfo;
61 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
62 char rx_pwr_all = 0, rx_pwr[4];
63 u8 rf_rx_num = 0, evm, pwdb_all;
64 u8 i, max_spatial_stream;
65 u32 rssi, total_rssi = 0;
66 bool is_cck = pstatus->is_cck;
67 u8 lan_idx, vga_idx;
68
69 /* Record it for next packet processing */
70 pstatus->packet_matchbssid = bpacket_match_bssid;
71 pstatus->packet_toself = bpacket_toself;
72 pstatus->packet_beacon = packet_beacon;
73 pstatus->rx_mimo_signalquality[0] = -1;
74 pstatus->rx_mimo_signalquality[1] = -1;
75
76 if (is_cck) {
77 u8 cck_highpwr;
78 u8 cck_agc_rpt;
79 /* CCK Driver info Structure is not the same as OFDM packet. */
80 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
81 cck_agc_rpt = cck_buf->cck_agc_rpt;
82
83 /* (1)Hardware does not provide RSSI for CCK
84 * (2)PWDB, Average PWDB cacluated by
85 * hardware (for rate adaptive)
86 */
87 if (ppsc->rfpwr_state == ERFON)
88 cck_highpwr =
89 (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
90 BIT(9));
91 else
92 cck_highpwr = false;
93
94 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
95 vga_idx = (cck_agc_rpt & 0x1f);
96 switch (lan_idx) {
97 case 7:
98 if (vga_idx <= 27)
99 /*VGA_idx = 27~2*/
100 rx_pwr_all = -100 + 2*(27-vga_idx);
101 else
102 rx_pwr_all = -100;
103 break;
104 case 6:
105 /*VGA_idx = 2~0*/
106 rx_pwr_all = -48 + 2*(2-vga_idx);
107 break;
108 case 5:
109 /*VGA_idx = 7~5*/
110 rx_pwr_all = -42 + 2*(7-vga_idx);
111 break;
112 case 4:
113 /*VGA_idx = 7~4*/
114 rx_pwr_all = -36 + 2*(7-vga_idx);
115 break;
116 case 3:
117 /*VGA_idx = 7~0*/
118 rx_pwr_all = -24 + 2*(7-vga_idx);
119 break;
120 case 2:
121 if (cck_highpwr)
122 /*VGA_idx = 5~0*/
123 rx_pwr_all = -12 + 2*(5-vga_idx);
124 else
125 rx_pwr_all = -6 + 2*(5-vga_idx);
126 break;
127 case 1:
128 rx_pwr_all = 8-2*vga_idx;
129 break;
130 case 0:
131 rx_pwr_all = 14-2*vga_idx;
132 break;
133 default:
134 break;
135 }
136 rx_pwr_all += 6;
137 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
138 /* CCK gain is smaller than OFDM/MCS gain, */
139 /* so we add gain diff by experiences, the val is 6 */
140 pwdb_all += 6;
141 if (pwdb_all > 100)
142 pwdb_all = 100;
143 /* modify the offset to make the same
144 * gain index with OFDM.
145 */
146 if (pwdb_all > 34 && pwdb_all <= 42)
147 pwdb_all -= 2;
148 else if (pwdb_all > 26 && pwdb_all <= 34)
149 pwdb_all -= 6;
150 else if (pwdb_all > 14 && pwdb_all <= 26)
151 pwdb_all -= 8;
152 else if (pwdb_all > 4 && pwdb_all <= 14)
153 pwdb_all -= 4;
154 if (!cck_highpwr) {
155 if (pwdb_all >= 80)
156 pwdb_all = ((pwdb_all-80)<<1) +
157 ((pwdb_all-80)>>1) + 80;
158 else if ((pwdb_all <= 78) && (pwdb_all >= 20))
159 pwdb_all += 3;
160 if (pwdb_all > 100)
161 pwdb_all = 100;
162 }
163
164 pstatus->rx_pwdb_all = pwdb_all;
165 pstatus->recvsignalpower = rx_pwr_all;
166
167 /* (3) Get Signal Quality (EVM) */
168 if (bpacket_match_bssid) {
169 u8 sq;
170
171 if (pstatus->rx_pwdb_all > 40)
172 sq = 100;
173 else {
174 sq = cck_buf->sq_rpt;
175 if (sq > 64)
176 sq = 0;
177 else if (sq < 20)
178 sq = 100;
179 else
180 sq = ((64 - sq) * 100) / 44;
181 }
182
183 pstatus->signalquality = sq;
184 pstatus->rx_mimo_signalquality[0] = sq;
185 pstatus->rx_mimo_signalquality[1] = -1;
186 }
187 } else {
188 rtlpriv->dm.rfpath_rxenable[0] =
189 rtlpriv->dm.rfpath_rxenable[1] = true;
190
191 /* (1)Get RSSI for HT rate */
192 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
193 /* we will judge RF RX path now. */
194 if (rtlpriv->dm.rfpath_rxenable[i])
195 rf_rx_num++;
196
197 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
198 0x3f) * 2) - 110;
199
200 /* Translate DBM to percentage. */
201 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
202 total_rssi += rssi;
203
204 /* Get Rx snr value in DB */
205 rtlpriv->stats.rx_snr_db[i] =
206 (long)(p_drvinfo->rxsnr[i] / 2);
207
208 /* Record Signal Strength for next packet */
209 if (bpacket_match_bssid)
210 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
211 }
212
213 /* (2)PWDB, Average PWDB cacluated by
214 * hardware (for rate adaptive)
215 */
216 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
217
218 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
219 pstatus->rx_pwdb_all = pwdb_all;
220 pstatus->rxpower = rx_pwr_all;
221 pstatus->recvsignalpower = rx_pwr_all;
222
223 /* (3)EVM of HT rate */
224 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
225 pstatus->rate <= DESC92C_RATEMCS15)
226 max_spatial_stream = 2;
227 else
228 max_spatial_stream = 1;
229
230 for (i = 0; i < max_spatial_stream; i++) {
231 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
232
233 if (bpacket_match_bssid) {
234 /* Fill value in RFD, Get the first
235 * spatial stream onlyi
236 */
237 if (i == 0)
238 pstatus->signalquality =
239 (u8)(evm & 0xff);
240 pstatus->rx_mimo_signalquality[i] =
241 (u8)(evm & 0xff);
242 }
243 }
244 }
245
246 /* UI BSS List signal strength(in percentage),
247 * make it good looking, from 0~100.
248 */
249 if (is_cck)
250 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
251 pwdb_all));
252 else if (rf_rx_num != 0)
253 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
254 total_rssi /= rf_rx_num));
255 /*HW antenna diversity*/
256 rtldm->fat_table.antsel_rx_keep_0 = phystrpt->ant_sel;
257 rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
258 rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
259 }
260
261 static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw,
262 struct rtl_stats *pstatus)
263 {
264 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
265 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
266 u8 antsel_tr_mux;
267 struct fast_ant_training *pfat_table = &rtldm->fat_table;
268
269 if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
270 if (pfat_table->fat_state == FAT_TRAINING_STATE) {
271 if (pstatus->packet_toself) {
272 antsel_tr_mux =
273 (pfat_table->antsel_rx_keep_2 << 2) |
274 (pfat_table->antsel_rx_keep_1 << 1) |
275 pfat_table->antsel_rx_keep_0;
276 pfat_table->ant_sum[antsel_tr_mux] +=
277 pstatus->rx_pwdb_all;
278 pfat_table->ant_cnt[antsel_tr_mux]++;
279 }
280 }
281 } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
282 (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
283 if (pstatus->packet_toself || pstatus->packet_matchbssid) {
284 antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
285 (pfat_table->antsel_rx_keep_1 << 1) |
286 pfat_table->antsel_rx_keep_0;
287 rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0,
288 pstatus->rx_pwdb_all);
289 }
290
291 }
292 }
293
294 static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
295 struct sk_buff *skb,
296 struct rtl_stats *pstatus,
297 u8 *pdesc,
298 struct rx_fwinfo_88e *p_drvinfo)
299 {
300 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
301 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
302 struct ieee80211_hdr *hdr;
303 u8 *tmp_buf;
304 u8 *praddr;
305 u8 *psaddr;
306 __le16 fc;
307 bool packet_matchbssid, packet_toself, packet_beacon;
308
309 tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
310
311 hdr = (struct ieee80211_hdr *)tmp_buf;
312 fc = hdr->frame_control;
313 praddr = hdr->addr1;
314 psaddr = ieee80211_get_SA(hdr);
315 memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
316
317 packet_matchbssid = ((!ieee80211_is_ctl(fc)) &&
318 (ether_addr_equal(mac->bssid, ieee80211_has_tods(fc) ?
319 hdr->addr1 : ieee80211_has_fromds(fc) ?
320 hdr->addr2 : hdr->addr3)) &&
321 (!pstatus->hwerror) &&
322 (!pstatus->crc) && (!pstatus->icv));
323
324 packet_toself = packet_matchbssid &&
325 (ether_addr_equal(praddr, rtlefuse->dev_addr));
326
327 if (ieee80211_is_beacon(hdr->frame_control))
328 packet_beacon = true;
329 else
330 packet_beacon = false;
331
332 _rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
333 packet_matchbssid, packet_toself,
334 packet_beacon);
335 _rtl88ee_smart_antenna(hw, pstatus);
336 rtl_process_phyinfo(hw, tmp_buf, pstatus);
337 }
338
339 static void _rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
340 u8 *virtualaddress)
341 {
342 u32 dwtmp = 0;
343 memset(virtualaddress, 0, 8);
344
345 SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
346 if (ptcb_desc->empkt_num == 1) {
347 dwtmp = ptcb_desc->empkt_len[0];
348 } else {
349 dwtmp = ptcb_desc->empkt_len[0];
350 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
351 dwtmp += ptcb_desc->empkt_len[1];
352 }
353 SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
354
355 if (ptcb_desc->empkt_num <= 3) {
356 dwtmp = ptcb_desc->empkt_len[2];
357 } else {
358 dwtmp = ptcb_desc->empkt_len[2];
359 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
360 dwtmp += ptcb_desc->empkt_len[3];
361 }
362 SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
363 if (ptcb_desc->empkt_num <= 5) {
364 dwtmp = ptcb_desc->empkt_len[4];
365 } else {
366 dwtmp = ptcb_desc->empkt_len[4];
367 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
368 dwtmp += ptcb_desc->empkt_len[5];
369 }
370 SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
371 SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
372 if (ptcb_desc->empkt_num <= 7) {
373 dwtmp = ptcb_desc->empkt_len[6];
374 } else {
375 dwtmp = ptcb_desc->empkt_len[6];
376 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
377 dwtmp += ptcb_desc->empkt_len[7];
378 }
379 SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
380 if (ptcb_desc->empkt_num <= 9) {
381 dwtmp = ptcb_desc->empkt_len[8];
382 } else {
383 dwtmp = ptcb_desc->empkt_len[8];
384 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
385 dwtmp += ptcb_desc->empkt_len[9];
386 }
387 SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
388 }
389
390 bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
391 struct rtl_stats *status,
392 struct ieee80211_rx_status *rx_status,
393 u8 *pdesc, struct sk_buff *skb)
394 {
395 struct rtl_priv *rtlpriv = rtl_priv(hw);
396 struct rx_fwinfo_88e *p_drvinfo;
397 struct ieee80211_hdr *hdr;
398
399 u32 phystatus = GET_RX_DESC_PHYST(pdesc);
400 status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
401 if (status->packet_report_type == TX_REPORT2)
402 status->length = (u16)GET_RX_RPT2_DESC_PKT_LEN(pdesc);
403 else
404 status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
405 status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
406 RX_DRV_INFO_SIZE_UNIT;
407 status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
408 status->icv = (u16)GET_RX_DESC_ICV(pdesc);
409 status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
410 status->hwerror = (status->crc | status->icv);
411 status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
412 status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
413 status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
414 status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
415 status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
416 (GET_RX_DESC_FAGGR(pdesc) == 1));
417 if (status->packet_report_type == NORMAL_RX)
418 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
419 status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
420 status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
421
422 status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);
423
424 status->macid = GET_RX_DESC_MACID(pdesc);
425 if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
426 status->wake_match = BIT(2);
427 else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
428 status->wake_match = BIT(1);
429 else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
430 status->wake_match = BIT(0);
431 else
432 status->wake_match = 0;
433 if (status->wake_match)
434 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
435 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
436 status->wake_match);
437 rx_status->freq = hw->conf.chandef.chan->center_freq;
438 rx_status->band = hw->conf.chandef.chan->band;
439
440 hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
441 + status->rx_bufshift);
442
443 if (status->crc)
444 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
445
446 if (status->rx_is40Mhzpacket)
447 rx_status->flag |= RX_FLAG_40MHZ;
448
449 if (status->is_ht)
450 rx_status->flag |= RX_FLAG_HT;
451
452 rx_status->flag |= RX_FLAG_MACTIME_START;
453
454 /* hw will set status->decrypted true, if it finds the
455 * frame is open data frame or mgmt frame.
456 * So hw will not decryption robust managment frame
457 * for IEEE80211w but still set status->decrypted
458 * true, so here we should set it back to undecrypted
459 * for IEEE80211w frame, and mac80211 sw will help
460 * to decrypt it
461 */
462 if (status->decrypted) {
463 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
464 (ieee80211_has_protected(hdr->frame_control)))
465 rx_status->flag |= RX_FLAG_DECRYPTED;
466 else
467 rx_status->flag &= ~RX_FLAG_DECRYPTED;
468 }
469
470 /* rate_idx: index of data rate into band's
471 * supported rates or MCS index if HT rates
472 * are use (RX_FLAG_HT)
473 * Notice: this is diff with windows define
474 */
475 rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
476 false, status->rate);
477
478 rx_status->mactime = status->timestamp_low;
479 if (phystatus == true) {
480 p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
481 status->rx_bufshift);
482
483 _rtl88ee_translate_rx_signal_stuff(hw,
484 skb, status, pdesc,
485 p_drvinfo);
486 }
487 rx_status->signal = status->recvsignalpower + 10;
488 if (status->packet_report_type == TX_REPORT2) {
489 status->macid_valid_entry[0] =
490 GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
491 status->macid_valid_entry[1] =
492 GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
493 }
494 return true;
495 }
496
497 void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
498 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
499 u8 *txbd, struct ieee80211_tx_info *info,
500 struct ieee80211_sta *sta,
501 struct sk_buff *skb,
502 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
503
504 {
505 struct rtl_priv *rtlpriv = rtl_priv(hw);
506 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
507 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
508 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
509 u8 *pdesc = (u8 *)pdesc_tx;
510 u16 seq_number;
511 __le16 fc = hdr->frame_control;
512 unsigned int buf_len = 0;
513 unsigned int skb_len = skb->len;
514 u8 fw_qsel = _rtl88ee_map_hwqueue_to_fwqueue(skb, hw_queue);
515 bool firstseg = ((hdr->seq_ctrl &
516 cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
517 bool lastseg = ((hdr->frame_control &
518 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
519 dma_addr_t mapping;
520 u8 bw_40 = 0;
521 u8 short_gi = 0;
522
523 if (mac->opmode == NL80211_IFTYPE_STATION) {
524 bw_40 = mac->bw_40;
525 } else if (mac->opmode == NL80211_IFTYPE_AP ||
526 mac->opmode == NL80211_IFTYPE_ADHOC) {
527 if (sta)
528 bw_40 = sta->ht_cap.cap &
529 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
530 }
531 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
532 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
533 /* reserve 8 byte for AMPDU early mode */
534 if (rtlhal->earlymode_enable) {
535 skb_push(skb, EM_HDR_LEN);
536 memset(skb->data, 0, EM_HDR_LEN);
537 }
538 buf_len = skb->len;
539 mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
540 PCI_DMA_TODEVICE);
541 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
542 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
543 "DMA mapping error");
544 return;
545 }
546 CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_88e));
547 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
548 firstseg = true;
549 lastseg = true;
550 }
551 if (firstseg) {
552 if (rtlhal->earlymode_enable) {
553 SET_TX_DESC_PKT_OFFSET(pdesc, 1);
554 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
555 EM_HDR_LEN);
556 if (ptcb_desc->empkt_num) {
557 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
558 "Insert 8 byte.pTcb->EMPktNum:%d\n",
559 ptcb_desc->empkt_num);
560 _rtl88ee_insert_emcontent(ptcb_desc,
561 (u8 *)(skb->data));
562 }
563 } else {
564 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
565 }
566
567 ptcb_desc->use_driver_rate = true;
568 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
569 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
570 short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
571 else
572 short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
573
574 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
575
576 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
577 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
578 SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
579 }
580 SET_TX_DESC_SEQ(pdesc, seq_number);
581 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
582 !ptcb_desc->cts_enable) ? 1 : 0));
583 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
584 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
585 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
586
587 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
588 SET_TX_DESC_RTS_BW(pdesc, 0);
589 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
590 SET_TX_DESC_RTS_SHORT(pdesc,
591 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
592 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
593 (ptcb_desc->rts_use_shortgi ? 1 : 0)));
594
595 if (ptcb_desc->tx_enable_sw_calc_duration)
596 SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
597
598 if (bw_40) {
599 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
600 SET_TX_DESC_DATA_BW(pdesc, 1);
601 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
602 } else {
603 SET_TX_DESC_DATA_BW(pdesc, 0);
604 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
605 mac->cur_40_prime_sc);
606 }
607 } else {
608 SET_TX_DESC_DATA_BW(pdesc, 0);
609 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
610 }
611
612 SET_TX_DESC_LINIP(pdesc, 0);
613 SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb_len);
614 if (sta) {
615 u8 ampdu_density = sta->ht_cap.ampdu_density;
616 SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
617 }
618 if (info->control.hw_key) {
619 struct ieee80211_key_conf *keyconf;
620
621 keyconf = info->control.hw_key;
622 switch (keyconf->cipher) {
623 case WLAN_CIPHER_SUITE_WEP40:
624 case WLAN_CIPHER_SUITE_WEP104:
625 case WLAN_CIPHER_SUITE_TKIP:
626 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
627 break;
628 case WLAN_CIPHER_SUITE_CCMP:
629 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
630 break;
631 default:
632 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
633 break;
634
635 }
636 }
637
638 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
639 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
640 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
641 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
642 1 : 0);
643 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
644
645 /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
646 /* Set TxRate and RTSRate in TxDesc */
647 /* This prevent Tx initial rate of new-coming packets */
648 /* from being overwritten by retried packet rate.*/
649 if (!ptcb_desc->use_driver_rate) {
650 /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
651 /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
652 }
653 if (ieee80211_is_data_qos(fc)) {
654 if (mac->rdg_en) {
655 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
656 "Enable RDG function.\n");
657 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
658 SET_TX_DESC_HTC(pdesc, 1);
659 }
660 }
661 }
662
663 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
664 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
665 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)buf_len);
666 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
667 if (rtlpriv->dm.useramask) {
668 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
669 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
670 } else {
671 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
672 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
673 }
674 if (ieee80211_is_data_qos(fc))
675 SET_TX_DESC_QOS(pdesc, 1);
676
677 if (!ieee80211_is_data_qos(fc))
678 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
679 SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
680 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
681 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
682 SET_TX_DESC_BMC(pdesc, 1);
683 }
684
685 rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id);
686 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
687 }
688
689 void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
690 u8 *pdesc, bool firstseg,
691 bool lastseg, struct sk_buff *skb)
692 {
693 struct rtl_priv *rtlpriv = rtl_priv(hw);
694 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
695 u8 fw_queue = QSLT_BEACON;
696
697 dma_addr_t mapping = pci_map_single(rtlpci->pdev,
698 skb->data, skb->len,
699 PCI_DMA_TODEVICE);
700
701 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
702 __le16 fc = hdr->frame_control;
703
704 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
705 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
706 "DMA mapping error");
707 return;
708 }
709 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
710
711 if (firstseg)
712 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
713
714 SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
715
716 SET_TX_DESC_SEQ(pdesc, 0);
717
718 SET_TX_DESC_LINIP(pdesc, 0);
719
720 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
721
722 SET_TX_DESC_FIRST_SEG(pdesc, 1);
723 SET_TX_DESC_LAST_SEG(pdesc, 1);
724
725 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
726
727 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
728
729 SET_TX_DESC_RATE_ID(pdesc, 7);
730 SET_TX_DESC_MACID(pdesc, 0);
731
732 SET_TX_DESC_OWN(pdesc, 1);
733
734 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
735
736 SET_TX_DESC_FIRST_SEG(pdesc, 1);
737 SET_TX_DESC_LAST_SEG(pdesc, 1);
738
739 SET_TX_DESC_OFFSET(pdesc, 0x20);
740
741 SET_TX_DESC_USE_RATE(pdesc, 1);
742
743 if (!ieee80211_is_data_qos(fc))
744 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
745
746 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
747 "H2C Tx Cmd Content\n",
748 pdesc, TX_DESC_SIZE);
749 }
750
751 void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
752 bool istx, u8 desc_name, u8 *val)
753 {
754 if (istx == true) {
755 switch (desc_name) {
756 case HW_DESC_OWN:
757 SET_TX_DESC_OWN(pdesc, 1);
758 break;
759 case HW_DESC_TX_NEXTDESC_ADDR:
760 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
761 break;
762 default:
763 RT_ASSERT(false, "ERR txdesc :%d not process\n",
764 desc_name);
765 break;
766 }
767 } else {
768 switch (desc_name) {
769 case HW_DESC_RXOWN:
770 SET_RX_DESC_OWN(pdesc, 1);
771 break;
772 case HW_DESC_RXBUFF_ADDR:
773 SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
774 break;
775 case HW_DESC_RXPKT_LEN:
776 SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
777 break;
778 case HW_DESC_RXERO:
779 SET_RX_DESC_EOR(pdesc, 1);
780 break;
781 default:
782 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
783 desc_name);
784 break;
785 }
786 }
787 }
788
789 u32 rtl88ee_get_desc(u8 *pdesc, bool istx, u8 desc_name)
790 {
791 u32 ret = 0;
792
793 if (istx == true) {
794 switch (desc_name) {
795 case HW_DESC_OWN:
796 ret = GET_TX_DESC_OWN(pdesc);
797 break;
798 case HW_DESC_TXBUFF_ADDR:
799 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
800 break;
801 default:
802 RT_ASSERT(false, "ERR txdesc :%d not process\n",
803 desc_name);
804 break;
805 }
806 } else {
807 switch (desc_name) {
808 case HW_DESC_OWN:
809 ret = GET_RX_DESC_OWN(pdesc);
810 break;
811 case HW_DESC_RXPKT_LEN:
812 ret = GET_RX_DESC_PKT_LEN(pdesc);
813 break;
814 case HW_DESC_RXBUFF_ADDR:
815 ret = GET_RX_DESC_BUFF_ADDR(pdesc);
816 break;
817 default:
818 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
819 desc_name);
820 break;
821 }
822 }
823 return ret;
824 }
825
826 bool rtl88ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
827 {
828 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
829 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
830 u8 *entry = (u8 *)(&ring->desc[ring->idx]);
831 u8 own = (u8)rtl88ee_get_desc(entry, true, HW_DESC_OWN);
832
833 /*beacon packet will only use the first
834 *descriptor defautly,and the own may not
835 *be cleared by the hardware
836 */
837 if (own)
838 return false;
839 return true;
840 }
841
842 void rtl88ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
843 {
844 struct rtl_priv *rtlpriv = rtl_priv(hw);
845 if (hw_queue == BEACON_QUEUE) {
846 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
847 } else {
848 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
849 BIT(0) << (hw_queue));
850 }
851 }
852
853 u32 rtl88ee_rx_command_packet(struct ieee80211_hw *hw,
854 struct rtl_stats status,
855 struct sk_buff *skb)
856 {
857 return 0;
858 }
Linux with added FPC-III support