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15#include "wifi.h"
16#include "rc.h"
17#include "base.h"
18#include "efuse.h"
19#include "cam.h"
20#include "ps.h"
21#include "regd.h"
22#include "pci.h"
23#include <linux/ip.h>
24#include <linux/module.h>
25#include <linux/udp.h>
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52static struct ieee80211_channel rtl_channeltable_2g[] = {
53 {.center_freq = 2412, .hw_value = 1,},
54 {.center_freq = 2417, .hw_value = 2,},
55 {.center_freq = 2422, .hw_value = 3,},
56 {.center_freq = 2427, .hw_value = 4,},
57 {.center_freq = 2432, .hw_value = 5,},
58 {.center_freq = 2437, .hw_value = 6,},
59 {.center_freq = 2442, .hw_value = 7,},
60 {.center_freq = 2447, .hw_value = 8,},
61 {.center_freq = 2452, .hw_value = 9,},
62 {.center_freq = 2457, .hw_value = 10,},
63 {.center_freq = 2462, .hw_value = 11,},
64 {.center_freq = 2467, .hw_value = 12,},
65 {.center_freq = 2472, .hw_value = 13,},
66 {.center_freq = 2484, .hw_value = 14,},
67};
68
69static struct ieee80211_channel rtl_channeltable_5g[] = {
70 {.center_freq = 5180, .hw_value = 36,},
71 {.center_freq = 5200, .hw_value = 40,},
72 {.center_freq = 5220, .hw_value = 44,},
73 {.center_freq = 5240, .hw_value = 48,},
74 {.center_freq = 5260, .hw_value = 52,},
75 {.center_freq = 5280, .hw_value = 56,},
76 {.center_freq = 5300, .hw_value = 60,},
77 {.center_freq = 5320, .hw_value = 64,},
78 {.center_freq = 5500, .hw_value = 100,},
79 {.center_freq = 5520, .hw_value = 104,},
80 {.center_freq = 5540, .hw_value = 108,},
81 {.center_freq = 5560, .hw_value = 112,},
82 {.center_freq = 5580, .hw_value = 116,},
83 {.center_freq = 5600, .hw_value = 120,},
84 {.center_freq = 5620, .hw_value = 124,},
85 {.center_freq = 5640, .hw_value = 128,},
86 {.center_freq = 5660, .hw_value = 132,},
87 {.center_freq = 5680, .hw_value = 136,},
88 {.center_freq = 5700, .hw_value = 140,},
89 {.center_freq = 5745, .hw_value = 149,},
90 {.center_freq = 5765, .hw_value = 153,},
91 {.center_freq = 5785, .hw_value = 157,},
92 {.center_freq = 5805, .hw_value = 161,},
93 {.center_freq = 5825, .hw_value = 165,},
94};
95
96static struct ieee80211_rate rtl_ratetable_2g[] = {
97 {.bitrate = 10, .hw_value = 0x00,},
98 {.bitrate = 20, .hw_value = 0x01,},
99 {.bitrate = 55, .hw_value = 0x02,},
100 {.bitrate = 110, .hw_value = 0x03,},
101 {.bitrate = 60, .hw_value = 0x04,},
102 {.bitrate = 90, .hw_value = 0x05,},
103 {.bitrate = 120, .hw_value = 0x06,},
104 {.bitrate = 180, .hw_value = 0x07,},
105 {.bitrate = 240, .hw_value = 0x08,},
106 {.bitrate = 360, .hw_value = 0x09,},
107 {.bitrate = 480, .hw_value = 0x0a,},
108 {.bitrate = 540, .hw_value = 0x0b,},
109};
110
111static struct ieee80211_rate rtl_ratetable_5g[] = {
112 {.bitrate = 60, .hw_value = 0x04,},
113 {.bitrate = 90, .hw_value = 0x05,},
114 {.bitrate = 120, .hw_value = 0x06,},
115 {.bitrate = 180, .hw_value = 0x07,},
116 {.bitrate = 240, .hw_value = 0x08,},
117 {.bitrate = 360, .hw_value = 0x09,},
118 {.bitrate = 480, .hw_value = 0x0a,},
119 {.bitrate = 540, .hw_value = 0x0b,},
120};
121
122static const struct ieee80211_supported_band rtl_band_2ghz = {
123 .band = NL80211_BAND_2GHZ,
124
125 .channels = rtl_channeltable_2g,
126 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
127
128 .bitrates = rtl_ratetable_2g,
129 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
130
131 .ht_cap = {0},
132};
133
134static struct ieee80211_supported_band rtl_band_5ghz = {
135 .band = NL80211_BAND_5GHZ,
136
137 .channels = rtl_channeltable_5g,
138 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
139
140 .bitrates = rtl_ratetable_5g,
141 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
142
143 .ht_cap = {0},
144};
145
146static const u8 tid_to_ac[] = {
147 2,
148 3,
149 3,
150 2,
151 1,
152 1,
153 0,
154 0,
155};
156
157u8 rtl_tid_to_ac(u8 tid)
158{
159 return tid_to_ac[tid];
160}
161
162static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
163 struct ieee80211_sta_ht_cap *ht_cap)
164{
165 struct rtl_priv *rtlpriv = rtl_priv(hw);
166 struct rtl_phy *rtlphy = &rtlpriv->phy;
167
168 ht_cap->ht_supported = true;
169 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
170 IEEE80211_HT_CAP_SGI_40 |
171 IEEE80211_HT_CAP_SGI_20 |
172 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
173
174 if (rtlpriv->rtlhal.disable_amsdu_8k)
175 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
176
177
178
179
180
181 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
182
183
184 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
185
186 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
187
188
189
190
191
192
193
194
195
196
197 if (rtlpriv->dm.supp_phymode_switch) {
198 pr_info("Support phy mode switch\n");
199
200 ht_cap->mcs.rx_mask[0] = 0xFF;
201 ht_cap->mcs.rx_mask[1] = 0xFF;
202 ht_cap->mcs.rx_mask[4] = 0x01;
203
204 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
205 } else {
206 if (get_rf_type(rtlphy) == RF_1T2R ||
207 get_rf_type(rtlphy) == RF_2T2R) {
208 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
209 "1T2R or 2T2R\n");
210 ht_cap->mcs.rx_mask[0] = 0xFF;
211 ht_cap->mcs.rx_mask[1] = 0xFF;
212 ht_cap->mcs.rx_mask[4] = 0x01;
213
214 ht_cap->mcs.rx_highest =
215 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
216 } else if (get_rf_type(rtlphy) == RF_1T1R) {
217 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
218
219 ht_cap->mcs.rx_mask[0] = 0xFF;
220 ht_cap->mcs.rx_mask[1] = 0x00;
221 ht_cap->mcs.rx_mask[4] = 0x01;
222
223 ht_cap->mcs.rx_highest =
224 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
225 }
226 }
227}
228
229static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
230 struct ieee80211_sta_vht_cap *vht_cap)
231{
232 struct rtl_priv *rtlpriv = rtl_priv(hw);
233 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
234
235 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ||
236 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
237 u16 mcs_map;
238
239 vht_cap->vht_supported = true;
240 vht_cap->cap =
241 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
242 IEEE80211_VHT_CAP_SHORT_GI_80 |
243 IEEE80211_VHT_CAP_TXSTBC |
244 IEEE80211_VHT_CAP_RXSTBC_1 |
245 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
246 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
247 IEEE80211_VHT_CAP_HTC_VHT |
248 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
249 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
250 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
251 0;
252
253 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
254 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
255 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
256 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
257 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
258 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
259 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
260 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
261
262 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
263 vht_cap->vht_mcs.rx_highest =
264 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
265 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
266 vht_cap->vht_mcs.tx_highest =
267 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
268 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
269 u16 mcs_map;
270
271 vht_cap->vht_supported = true;
272 vht_cap->cap =
273 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
274 IEEE80211_VHT_CAP_SHORT_GI_80 |
275 IEEE80211_VHT_CAP_TXSTBC |
276 IEEE80211_VHT_CAP_RXSTBC_1 |
277 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
278 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
279 IEEE80211_VHT_CAP_HTC_VHT |
280 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
281 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
282 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
283 0;
284
285 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
286 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
287 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
288 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
289 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
290 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
291 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
292 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
293
294 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
295 vht_cap->vht_mcs.rx_highest =
296 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
297 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
298 vht_cap->vht_mcs.tx_highest =
299 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
300 }
301}
302
303static void _rtl_init_mac80211(struct ieee80211_hw *hw)
304{
305 struct rtl_priv *rtlpriv = rtl_priv(hw);
306 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
307 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
308 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
309 struct ieee80211_supported_band *sband;
310
311 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
312 rtlhal->bandset == BAND_ON_BOTH) {
313
314
315 sband = &rtlmac->bands[NL80211_BAND_2GHZ];
316
317
318
319
320 memcpy(&rtlmac->bands[NL80211_BAND_2GHZ], &rtl_band_2ghz,
321 sizeof(struct ieee80211_supported_band));
322
323
324 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
325
326
327 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
328
329
330
331 sband = &rtlmac->bands[NL80211_BAND_5GHZ];
332
333
334
335
336 memcpy(&rtlmac->bands[NL80211_BAND_5GHZ], &rtl_band_5ghz,
337 sizeof(struct ieee80211_supported_band));
338
339
340 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
341
342 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
343
344 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
345 } else {
346 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
347
348 sband = &rtlmac->bands[NL80211_BAND_2GHZ];
349
350
351
352
353 memcpy(&rtlmac->bands[NL80211_BAND_2GHZ],
354 &rtl_band_2ghz,
355 sizeof(struct ieee80211_supported_band));
356
357
358 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
359
360
361 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
362 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
363
364 sband = &rtlmac->bands[NL80211_BAND_5GHZ];
365
366
367
368
369 memcpy(&rtlmac->bands[NL80211_BAND_5GHZ],
370 &rtl_band_5ghz,
371 sizeof(struct ieee80211_supported_band));
372
373
374 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
375
376 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
377
378 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
379 } else {
380 pr_err("Err BAND %d\n",
381 rtlhal->current_bandtype);
382 }
383 }
384
385 ieee80211_hw_set(hw, SIGNAL_DBM);
386 ieee80211_hw_set(hw, RX_INCLUDES_FCS);
387 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
388 ieee80211_hw_set(hw, CONNECTION_MONITOR);
389 ieee80211_hw_set(hw, MFP_CAPABLE);
390 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
391 ieee80211_hw_set(hw, SUPPORTS_TX_FRAG);
392 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
393 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
394
395
396 if (rtlpriv->psc.swctrl_lps) {
397 ieee80211_hw_set(hw, SUPPORTS_PS);
398 ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
399 }
400 if (rtlpriv->psc.fwctrl_lps) {
401 ieee80211_hw_set(hw, SUPPORTS_PS);
402 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
403 }
404 hw->wiphy->interface_modes =
405 BIT(NL80211_IFTYPE_AP) |
406 BIT(NL80211_IFTYPE_STATION) |
407 BIT(NL80211_IFTYPE_ADHOC) |
408 BIT(NL80211_IFTYPE_MESH_POINT) |
409 BIT(NL80211_IFTYPE_P2P_CLIENT) |
410 BIT(NL80211_IFTYPE_P2P_GO);
411 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
412
413 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
414
415 hw->wiphy->rts_threshold = 2347;
416
417 hw->queues = AC_MAX;
418 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
419
420
421 hw->max_listen_interval = MAX_LISTEN_INTERVAL;
422 hw->max_rate_tries = MAX_RATE_TRIES;
423
424 hw->sta_data_size = sizeof(struct rtl_sta_info);
425
426
427#ifdef CONFIG_PM
428 if (rtlpriv->psc.wo_wlan_mode) {
429 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
430 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
431 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
432 rtlpriv->wowlan.n_patterns =
433 MAX_SUPPORT_WOL_PATTERN_NUM;
434 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
435 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
436 }
437 hw->wiphy->wowlan = &rtlpriv->wowlan;
438 }
439#endif
440
441
442 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
443 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
444 } else {
445 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
446
447 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
448 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
449 }
450}
451
452static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
453{
454 struct rtl_priv *rtlpriv = rtl_priv(hw);
455
456
457 timer_setup(&rtlpriv->works.watchdog_timer,
458 rtl_watch_dog_timer_callback, 0);
459 timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
460 rtl_easy_concurrent_retrytimer_callback, 0);
461
462 rtlpriv->works.hw = hw;
463 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
464 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
465 (void *)rtl_watchdog_wq_callback);
466 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
467 (void *)rtl_ips_nic_off_wq_callback);
468 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
469 (void *)rtl_swlps_wq_callback);
470 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
471 (void *)rtl_swlps_rfon_wq_callback);
472 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
473 (void *)rtl_fwevt_wq_callback);
474 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq,
475 (void *)rtl_c2hcmd_wq_callback);
476}
477
478void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
479{
480 struct rtl_priv *rtlpriv = rtl_priv(hw);
481
482 del_timer_sync(&rtlpriv->works.watchdog_timer);
483
484 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
485 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
486 cancel_delayed_work(&rtlpriv->works.ps_work);
487 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
488 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
489 cancel_delayed_work(&rtlpriv->works.c2hcmd_wq);
490}
491
492void rtl_init_rfkill(struct ieee80211_hw *hw)
493{
494 struct rtl_priv *rtlpriv = rtl_priv(hw);
495
496 bool radio_state;
497 bool blocked;
498 u8 valid = 0;
499
500
501 rtlpriv->rfkill.rfkill_state = true;
502 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
503
504 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
505
506 if (valid) {
507 pr_info("rtlwifi: wireless switch is %s\n",
508 rtlpriv->rfkill.rfkill_state ? "on" : "off");
509
510 rtlpriv->rfkill.rfkill_state = radio_state;
511
512 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
513 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
514 }
515
516 wiphy_rfkill_start_polling(hw->wiphy);
517}
518
519void rtl_deinit_rfkill(struct ieee80211_hw *hw)
520{
521 wiphy_rfkill_stop_polling(hw->wiphy);
522}
523
524int rtl_init_core(struct ieee80211_hw *hw)
525{
526 struct rtl_priv *rtlpriv = rtl_priv(hw);
527 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
528
529
530 _rtl_init_mac80211(hw);
531 rtlmac->hw = hw;
532
533
534 hw->rate_control_algorithm = "rtl_rc";
535
536
537
538
539
540 if (rtl_regd_init(hw, rtl_reg_notifier)) {
541 pr_err("REGD init failed\n");
542 return 1;
543 }
544
545
546 mutex_init(&rtlpriv->locks.conf_mutex);
547 mutex_init(&rtlpriv->locks.ips_mutex);
548 mutex_init(&rtlpriv->locks.lps_mutex);
549 spin_lock_init(&rtlpriv->locks.irq_th_lock);
550 spin_lock_init(&rtlpriv->locks.h2c_lock);
551 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
552 spin_lock_init(&rtlpriv->locks.rf_lock);
553 spin_lock_init(&rtlpriv->locks.waitq_lock);
554 spin_lock_init(&rtlpriv->locks.entry_list_lock);
555 spin_lock_init(&rtlpriv->locks.c2hcmd_lock);
556 spin_lock_init(&rtlpriv->locks.scan_list_lock);
557 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
558 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
559 spin_lock_init(&rtlpriv->locks.iqk_lock);
560
561 INIT_LIST_HEAD(&rtlpriv->entry_list);
562 INIT_LIST_HEAD(&rtlpriv->c2hcmd_list);
563 INIT_LIST_HEAD(&rtlpriv->scan_list.list);
564
565 rtlmac->link_state = MAC80211_NOLINK;
566
567
568 _rtl_init_deferred_work(hw);
569
570 return 0;
571}
572
573static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw);
574
575void rtl_deinit_core(struct ieee80211_hw *hw)
576{
577 rtl_c2hcmd_launcher(hw, 0);
578 rtl_free_entries_from_scan_list(hw);
579}
580
581void rtl_init_rx_config(struct ieee80211_hw *hw)
582{
583 struct rtl_priv *rtlpriv = rtl_priv(hw);
584 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
585
586 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *)&mac->rx_conf);
587}
588
589
590
591
592
593
594static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
595 struct rtl_tcb_desc *tcb_desc,
596 struct ieee80211_tx_info *info)
597{
598 struct rtl_priv *rtlpriv = rtl_priv(hw);
599 u8 rate_flag = info->control.rates[0].flags;
600
601 tcb_desc->use_shortpreamble = false;
602
603
604 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
605 return;
606 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
607 tcb_desc->use_shortpreamble = true;
608}
609
610static void _rtl_query_shortgi(struct ieee80211_hw *hw,
611 struct ieee80211_sta *sta,
612 struct rtl_tcb_desc *tcb_desc,
613 struct ieee80211_tx_info *info)
614{
615 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
616 u8 rate_flag = info->control.rates[0].flags;
617 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
618 u8 sgi_80 = 0, bw_80 = 0;
619
620 tcb_desc->use_shortgi = false;
621
622 if (!sta)
623 return;
624
625 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
626 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
627 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
628
629 if (!sta->ht_cap.ht_supported && !sta->vht_cap.vht_supported)
630 return;
631
632 if (!sgi_40 && !sgi_20)
633 return;
634
635 if (mac->opmode == NL80211_IFTYPE_STATION) {
636 bw_40 = mac->bw_40;
637 bw_80 = mac->bw_80;
638 } else if (mac->opmode == NL80211_IFTYPE_AP ||
639 mac->opmode == NL80211_IFTYPE_ADHOC ||
640 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
641 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
642 bw_80 = sta->vht_cap.vht_supported;
643 }
644
645 if (bw_80) {
646 if (sgi_80)
647 tcb_desc->use_shortgi = true;
648 else
649 tcb_desc->use_shortgi = false;
650 } else {
651 if (bw_40 && sgi_40)
652 tcb_desc->use_shortgi = true;
653 else if (!bw_40 && sgi_20)
654 tcb_desc->use_shortgi = true;
655 }
656
657 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
658 tcb_desc->use_shortgi = false;
659}
660
661static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
662 struct rtl_tcb_desc *tcb_desc,
663 struct ieee80211_tx_info *info)
664{
665 struct rtl_priv *rtlpriv = rtl_priv(hw);
666 u8 rate_flag = info->control.rates[0].flags;
667
668
669 tcb_desc->rts_stbc = false;
670 tcb_desc->cts_enable = false;
671 tcb_desc->rts_sc = 0;
672 tcb_desc->rts_bw = false;
673 tcb_desc->rts_use_shortpreamble = false;
674 tcb_desc->rts_use_shortgi = false;
675
676 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
677
678 tcb_desc->rts_enable = true;
679 tcb_desc->cts_enable = true;
680 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
681 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
682
683 tcb_desc->rts_enable = true;
684 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
685 }
686}
687
688u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index,
689 enum wireless_mode wirelessmode)
690{
691 struct rtl_priv *rtlpriv = rtl_priv(hw);
692 struct rtl_phy *rtlphy = &rtlpriv->phy;
693 u8 ret = 0;
694
695 switch (rate_index) {
696 case RATR_INX_WIRELESS_NGB:
697 if (rtlphy->rf_type == RF_1T1R)
698 ret = RATEID_IDX_BGN_40M_1SS;
699 else
700 ret = RATEID_IDX_BGN_40M_2SS;
701 break;
702 case RATR_INX_WIRELESS_N:
703 case RATR_INX_WIRELESS_NG:
704 if (rtlphy->rf_type == RF_1T1R)
705 ret = RATEID_IDX_GN_N1SS;
706 else
707 ret = RATEID_IDX_GN_N2SS;
708 break;
709 case RATR_INX_WIRELESS_NB:
710 if (rtlphy->rf_type == RF_1T1R)
711 ret = RATEID_IDX_BGN_20M_1SS_BN;
712 else
713 ret = RATEID_IDX_BGN_20M_2SS_BN;
714 break;
715 case RATR_INX_WIRELESS_GB:
716 ret = RATEID_IDX_BG;
717 break;
718 case RATR_INX_WIRELESS_G:
719 ret = RATEID_IDX_G;
720 break;
721 case RATR_INX_WIRELESS_B:
722 ret = RATEID_IDX_B;
723 break;
724 case RATR_INX_WIRELESS_MC:
725 if (wirelessmode == WIRELESS_MODE_B ||
726 wirelessmode == WIRELESS_MODE_G ||
727 wirelessmode == WIRELESS_MODE_N_24G ||
728 wirelessmode == WIRELESS_MODE_AC_24G)
729 ret = RATEID_IDX_BG;
730 else
731 ret = RATEID_IDX_G;
732 break;
733 case RATR_INX_WIRELESS_AC_5N:
734 if (rtlphy->rf_type == RF_1T1R)
735 ret = RATEID_IDX_VHT_1SS;
736 else
737 ret = RATEID_IDX_VHT_2SS;
738 break;
739 case RATR_INX_WIRELESS_AC_24N:
740 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
741 if (rtlphy->rf_type == RF_1T1R)
742 ret = RATEID_IDX_VHT_1SS;
743 else
744 ret = RATEID_IDX_VHT_2SS;
745 } else {
746 if (rtlphy->rf_type == RF_1T1R)
747 ret = RATEID_IDX_MIX1;
748 else
749 ret = RATEID_IDX_MIX2;
750 }
751 break;
752 default:
753 ret = RATEID_IDX_BGN_40M_2SS;
754 break;
755 }
756 return ret;
757}
758
759static inline u8 _rtl_rate_id(struct ieee80211_hw *hw,
760 struct rtl_sta_info *sta_entry,
761 int rate_index)
762{
763 struct rtl_priv *rtlpriv = rtl_priv(hw);
764
765 if (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) {
766 int wireless_mode = sta_entry ?
767 sta_entry->wireless_mode : WIRELESS_MODE_G;
768
769 return rtl_mrate_idx_to_arfr_id(hw, rate_index, wireless_mode);
770 } else {
771 return rate_index;
772 }
773}
774
775static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
776 struct ieee80211_sta *sta,
777 struct rtl_tcb_desc *tcb_desc)
778{
779 struct rtl_priv *rtlpriv = rtl_priv(hw);
780 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
781 struct rtl_sta_info *sta_entry = NULL;
782 u8 ratr_index = _rtl_rate_id(hw, sta_entry, RATR_INX_WIRELESS_MC);
783
784 if (sta) {
785 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
786 ratr_index = sta_entry->ratr_index;
787 }
788 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
789 if (mac->opmode == NL80211_IFTYPE_STATION) {
790 tcb_desc->ratr_index = 0;
791 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
792 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
793 if (tcb_desc->multicast || tcb_desc->broadcast) {
794 tcb_desc->hw_rate =
795 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
796 tcb_desc->use_driver_rate = 1;
797 tcb_desc->ratr_index =
798 _rtl_rate_id(hw, sta_entry,
799 RATR_INX_WIRELESS_MC);
800 } else {
801 tcb_desc->ratr_index = ratr_index;
802 }
803 } else if (mac->opmode == NL80211_IFTYPE_AP) {
804 tcb_desc->ratr_index = ratr_index;
805 }
806 }
807
808 if (rtlpriv->dm.useramask) {
809 tcb_desc->ratr_index = ratr_index;
810
811 if (mac->opmode == NL80211_IFTYPE_STATION ||
812 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
813 tcb_desc->mac_id = 0;
814
815 if (sta &&
816 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
817 ;
818 else if (mac->mode == WIRELESS_MODE_AC_5G)
819 tcb_desc->ratr_index =
820 _rtl_rate_id(hw, sta_entry,
821 RATR_INX_WIRELESS_AC_5N);
822 else if (mac->mode == WIRELESS_MODE_AC_24G)
823 tcb_desc->ratr_index =
824 _rtl_rate_id(hw, sta_entry,
825 RATR_INX_WIRELESS_AC_24N);
826 else if (mac->mode == WIRELESS_MODE_N_24G)
827 tcb_desc->ratr_index =
828 _rtl_rate_id(hw, sta_entry,
829 RATR_INX_WIRELESS_NGB);
830 else if (mac->mode == WIRELESS_MODE_N_5G)
831 tcb_desc->ratr_index =
832 _rtl_rate_id(hw, sta_entry,
833 RATR_INX_WIRELESS_NG);
834 else if (mac->mode & WIRELESS_MODE_G)
835 tcb_desc->ratr_index =
836 _rtl_rate_id(hw, sta_entry,
837 RATR_INX_WIRELESS_GB);
838 else if (mac->mode & WIRELESS_MODE_B)
839 tcb_desc->ratr_index =
840 _rtl_rate_id(hw, sta_entry,
841 RATR_INX_WIRELESS_B);
842 else if (mac->mode & WIRELESS_MODE_A)
843 tcb_desc->ratr_index =
844 _rtl_rate_id(hw, sta_entry,
845 RATR_INX_WIRELESS_G);
846
847 } else if (mac->opmode == NL80211_IFTYPE_AP ||
848 mac->opmode == NL80211_IFTYPE_ADHOC) {
849 if (sta) {
850 if (sta->aid > 0)
851 tcb_desc->mac_id = sta->aid + 1;
852 else
853 tcb_desc->mac_id = 1;
854 } else {
855 tcb_desc->mac_id = 0;
856 }
857 }
858 }
859}
860
861static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
862 struct ieee80211_sta *sta,
863 struct rtl_tcb_desc *tcb_desc)
864{
865 struct rtl_priv *rtlpriv = rtl_priv(hw);
866 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
867
868 tcb_desc->packet_bw = false;
869 if (!sta)
870 return;
871 if (mac->opmode == NL80211_IFTYPE_AP ||
872 mac->opmode == NL80211_IFTYPE_ADHOC ||
873 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
874 if (!(sta->ht_cap.ht_supported) ||
875 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
876 return;
877 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
878 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
879 return;
880 }
881 if (tcb_desc->multicast || tcb_desc->broadcast)
882 return;
883
884
885 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
886 return;
887
888 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
889
890 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE ||
891 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE ||
892 (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT)) {
893 if (mac->opmode == NL80211_IFTYPE_AP ||
894 mac->opmode == NL80211_IFTYPE_ADHOC ||
895 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
896 if (!(sta->vht_cap.vht_supported))
897 return;
898 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
899 if (!mac->bw_80 ||
900 !(sta->vht_cap.vht_supported))
901 return;
902 }
903 if (tcb_desc->hw_rate <=
904 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
905 return;
906 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
907 }
908}
909
910static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
911 struct ieee80211_sta *sta)
912{
913 struct rtl_priv *rtlpriv = rtl_priv(hw);
914 struct rtl_phy *rtlphy = &rtlpriv->phy;
915 u8 hw_rate;
916 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
917
918 if ((get_rf_type(rtlphy) == RF_2T2R) &&
919 (tx_mcs_map & 0x000c) != 0x000c) {
920 if ((tx_mcs_map & 0x000c) >> 2 ==
921 IEEE80211_VHT_MCS_SUPPORT_0_7)
922 hw_rate =
923 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
924 else if ((tx_mcs_map & 0x000c) >> 2 ==
925 IEEE80211_VHT_MCS_SUPPORT_0_8)
926 hw_rate =
927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
928 else
929 hw_rate =
930 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
931 } else {
932 if ((tx_mcs_map & 0x0003) ==
933 IEEE80211_VHT_MCS_SUPPORT_0_7)
934 hw_rate =
935 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
936 else if ((tx_mcs_map & 0x0003) ==
937 IEEE80211_VHT_MCS_SUPPORT_0_8)
938 hw_rate =
939 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
940 else
941 hw_rate =
942 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
943 }
944
945 return hw_rate;
946}
947
948static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
949 struct ieee80211_sta *sta)
950{
951 struct rtl_priv *rtlpriv = rtl_priv(hw);
952 struct rtl_phy *rtlphy = &rtlpriv->phy;
953 u8 hw_rate;
954
955 if (get_rf_type(rtlphy) == RF_2T2R &&
956 sta->ht_cap.mcs.rx_mask[1] != 0)
957 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
958 else
959 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
960
961 return hw_rate;
962}
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
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980
981
982
983
984
985
986
987
988
989int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
990 u8 desc_rate)
991{
992 int rate_idx;
993
994 if (isvht) {
995 switch (desc_rate) {
996 case DESC_RATEVHT1SS_MCS0:
997 rate_idx = 0;
998 break;
999 case DESC_RATEVHT1SS_MCS1:
1000 rate_idx = 1;
1001 break;
1002 case DESC_RATEVHT1SS_MCS2:
1003 rate_idx = 2;
1004 break;
1005 case DESC_RATEVHT1SS_MCS3:
1006 rate_idx = 3;
1007 break;
1008 case DESC_RATEVHT1SS_MCS4:
1009 rate_idx = 4;
1010 break;
1011 case DESC_RATEVHT1SS_MCS5:
1012 rate_idx = 5;
1013 break;
1014 case DESC_RATEVHT1SS_MCS6:
1015 rate_idx = 6;
1016 break;
1017 case DESC_RATEVHT1SS_MCS7:
1018 rate_idx = 7;
1019 break;
1020 case DESC_RATEVHT1SS_MCS8:
1021 rate_idx = 8;
1022 break;
1023 case DESC_RATEVHT1SS_MCS9:
1024 rate_idx = 9;
1025 break;
1026 case DESC_RATEVHT2SS_MCS0:
1027 rate_idx = 0;
1028 break;
1029 case DESC_RATEVHT2SS_MCS1:
1030 rate_idx = 1;
1031 break;
1032 case DESC_RATEVHT2SS_MCS2:
1033 rate_idx = 2;
1034 break;
1035 case DESC_RATEVHT2SS_MCS3:
1036 rate_idx = 3;
1037 break;
1038 case DESC_RATEVHT2SS_MCS4:
1039 rate_idx = 4;
1040 break;
1041 case DESC_RATEVHT2SS_MCS5:
1042 rate_idx = 5;
1043 break;
1044 case DESC_RATEVHT2SS_MCS6:
1045 rate_idx = 6;
1046 break;
1047 case DESC_RATEVHT2SS_MCS7:
1048 rate_idx = 7;
1049 break;
1050 case DESC_RATEVHT2SS_MCS8:
1051 rate_idx = 8;
1052 break;
1053 case DESC_RATEVHT2SS_MCS9:
1054 rate_idx = 9;
1055 break;
1056 default:
1057 rate_idx = 0;
1058 break;
1059 }
1060 return rate_idx;
1061 }
1062 if (!isht) {
1063 if (hw->conf.chandef.chan->band == NL80211_BAND_2GHZ) {
1064 switch (desc_rate) {
1065 case DESC_RATE1M:
1066 rate_idx = 0;
1067 break;
1068 case DESC_RATE2M:
1069 rate_idx = 1;
1070 break;
1071 case DESC_RATE5_5M:
1072 rate_idx = 2;
1073 break;
1074 case DESC_RATE11M:
1075 rate_idx = 3;
1076 break;
1077 case DESC_RATE6M:
1078 rate_idx = 4;
1079 break;
1080 case DESC_RATE9M:
1081 rate_idx = 5;
1082 break;
1083 case DESC_RATE12M:
1084 rate_idx = 6;
1085 break;
1086 case DESC_RATE18M:
1087 rate_idx = 7;
1088 break;
1089 case DESC_RATE24M:
1090 rate_idx = 8;
1091 break;
1092 case DESC_RATE36M:
1093 rate_idx = 9;
1094 break;
1095 case DESC_RATE48M:
1096 rate_idx = 10;
1097 break;
1098 case DESC_RATE54M:
1099 rate_idx = 11;
1100 break;
1101 default:
1102 rate_idx = 0;
1103 break;
1104 }
1105 } else {
1106 switch (desc_rate) {
1107 case DESC_RATE6M:
1108 rate_idx = 0;
1109 break;
1110 case DESC_RATE9M:
1111 rate_idx = 1;
1112 break;
1113 case DESC_RATE12M:
1114 rate_idx = 2;
1115 break;
1116 case DESC_RATE18M:
1117 rate_idx = 3;
1118 break;
1119 case DESC_RATE24M:
1120 rate_idx = 4;
1121 break;
1122 case DESC_RATE36M:
1123 rate_idx = 5;
1124 break;
1125 case DESC_RATE48M:
1126 rate_idx = 6;
1127 break;
1128 case DESC_RATE54M:
1129 rate_idx = 7;
1130 break;
1131 default:
1132 rate_idx = 0;
1133 break;
1134 }
1135 }
1136 } else {
1137 switch (desc_rate) {
1138 case DESC_RATEMCS0:
1139 rate_idx = 0;
1140 break;
1141 case DESC_RATEMCS1:
1142 rate_idx = 1;
1143 break;
1144 case DESC_RATEMCS2:
1145 rate_idx = 2;
1146 break;
1147 case DESC_RATEMCS3:
1148 rate_idx = 3;
1149 break;
1150 case DESC_RATEMCS4:
1151 rate_idx = 4;
1152 break;
1153 case DESC_RATEMCS5:
1154 rate_idx = 5;
1155 break;
1156 case DESC_RATEMCS6:
1157 rate_idx = 6;
1158 break;
1159 case DESC_RATEMCS7:
1160 rate_idx = 7;
1161 break;
1162 case DESC_RATEMCS8:
1163 rate_idx = 8;
1164 break;
1165 case DESC_RATEMCS9:
1166 rate_idx = 9;
1167 break;
1168 case DESC_RATEMCS10:
1169 rate_idx = 10;
1170 break;
1171 case DESC_RATEMCS11:
1172 rate_idx = 11;
1173 break;
1174 case DESC_RATEMCS12:
1175 rate_idx = 12;
1176 break;
1177 case DESC_RATEMCS13:
1178 rate_idx = 13;
1179 break;
1180 case DESC_RATEMCS14:
1181 rate_idx = 14;
1182 break;
1183 case DESC_RATEMCS15:
1184 rate_idx = 15;
1185 break;
1186 default:
1187 rate_idx = 0;
1188 break;
1189 }
1190 }
1191 return rate_idx;
1192}
1193
1194static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
1195 struct ieee80211_tx_info *info)
1196{
1197 struct rtl_priv *rtlpriv = rtl_priv(hw);
1198 struct ieee80211_tx_rate *r = &info->status.rates[0];
1199 struct ieee80211_rate *txrate;
1200 u8 hw_value = 0x0;
1201
1202 if (r->flags & IEEE80211_TX_RC_MCS) {
1203
1204 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
1205 r->idx;
1206 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
1207
1208 if (ieee80211_rate_get_vht_nss(r) == 2)
1209 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
1210 else
1211 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
1212
1213 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r);
1214 } else {
1215
1216 txrate = ieee80211_get_tx_rate(hw, info);
1217
1218 if (txrate)
1219 hw_value = txrate->hw_value;
1220 }
1221
1222
1223 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
1224 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
1225 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
1226
1227 return hw_value;
1228}
1229
1230void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1231 struct ieee80211_tx_info *info,
1232 struct ieee80211_sta *sta,
1233 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1234{
1235 struct rtl_priv *rtlpriv = rtl_priv(hw);
1236 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1237 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1238 struct rtl_sta_info *sta_entry =
1239 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
1240
1241 __le16 fc = rtl_get_fc(skb);
1242
1243 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
1244
1245 if (rtl_is_tx_report_skb(hw, skb))
1246 tcb_desc->use_spe_rpt = 1;
1247
1248 if (!ieee80211_is_data(fc)) {
1249 tcb_desc->use_driver_rate = true;
1250 tcb_desc->ratr_index = _rtl_rate_id(hw, sta_entry,
1251 RATR_INX_WIRELESS_MC);
1252 tcb_desc->disable_ratefallback = 1;
1253 tcb_desc->mac_id = 0;
1254 tcb_desc->packet_bw = false;
1255
1256 return;
1257 }
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269 if (info->control.rates[0].idx == 0 || ieee80211_is_nullfunc(fc)) {
1270 tcb_desc->use_driver_rate = true;
1271 tcb_desc->ratr_index = _rtl_rate_id(hw, sta_entry,
1272 RATR_INX_WIRELESS_MC);
1273
1274 tcb_desc->disable_ratefallback = 1;
1275 } else if (sta && sta->vht_cap.vht_supported) {
1276
1277
1278
1279
1280
1281
1282
1283 tcb_desc->hw_rate = _rtl_get_vht_highest_n_rate(hw, sta);
1284 } else if (sta && sta->ht_cap.ht_supported) {
1285 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta);
1286 } else {
1287 enum rtl_var_map var = RTL_RC_OFDM_RATE54M;
1288
1289 if (rtlmac->mode == WIRELESS_MODE_B)
1290 var = RTL_RC_CCK_RATE11M;
1291
1292 tcb_desc->hw_rate = rtlpriv->cfg->maps[var];
1293 }
1294
1295 if (is_multicast_ether_addr(hdr->addr1))
1296 tcb_desc->multicast = 1;
1297 else if (is_broadcast_ether_addr(hdr->addr1))
1298 tcb_desc->broadcast = 1;
1299
1300 _rtl_txrate_selectmode(hw, sta, tcb_desc);
1301 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1302 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1303 _rtl_query_shortgi(hw, sta, tcb_desc, info);
1304 _rtl_query_protection_mode(hw, tcb_desc, info);
1305}
1306
1307bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1308{
1309 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1310 struct rtl_priv *rtlpriv = rtl_priv(hw);
1311 __le16 fc = rtl_get_fc(skb);
1312
1313 if (rtlpriv->dm.supp_phymode_switch &&
1314 mac->link_state < MAC80211_LINKED &&
1315 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
1316 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1317 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1318 }
1319 if (ieee80211_is_auth(fc)) {
1320 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1321
1322 mac->link_state = MAC80211_LINKING;
1323
1324 rtlpriv->phy.need_iqk = true;
1325 }
1326 return true;
1327}
1328
1329struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1330 u8 *bssid, u16 tid);
1331
1332static void process_agg_start(struct ieee80211_hw *hw,
1333 struct ieee80211_hdr *hdr, u16 tid)
1334{
1335 struct rtl_priv *rtlpriv = rtl_priv(hw);
1336 struct ieee80211_rx_status rx_status = { 0 };
1337 struct sk_buff *skb_delba = NULL;
1338
1339 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
1340 if (skb_delba) {
1341 rx_status.freq = hw->conf.chandef.chan->center_freq;
1342 rx_status.band = hw->conf.chandef.chan->band;
1343 rx_status.flag |= RX_FLAG_DECRYPTED;
1344 rx_status.flag |= RX_FLAG_MACTIME_START;
1345 rx_status.rate_idx = 0;
1346 rx_status.signal = 50 + 10;
1347 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1348 &rx_status, sizeof(rx_status));
1349 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1350 "fake del\n",
1351 skb_delba->data,
1352 skb_delba->len);
1353 ieee80211_rx_irqsafe(hw, skb_delba);
1354 }
1355}
1356
1357bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1358{
1359 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1360 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1361 struct rtl_priv *rtlpriv = rtl_priv(hw);
1362 __le16 fc = rtl_get_fc(skb);
1363 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1364 u8 category;
1365
1366 if (!ieee80211_is_action(fc))
1367 return true;
1368
1369 category = *act;
1370 act++;
1371 switch (category) {
1372 case ACT_CAT_BA:
1373 switch (*act) {
1374 case ACT_ADDBAREQ:
1375 if (mac->act_scanning)
1376 return false;
1377
1378 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1379 "%s ACT_ADDBAREQ From :%pM\n",
1380 is_tx ? "Tx" : "Rx", hdr->addr2);
1381 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1382 skb->data, skb->len);
1383 if (!is_tx) {
1384 struct ieee80211_sta *sta = NULL;
1385 struct rtl_sta_info *sta_entry = NULL;
1386 struct rtl_tid_data *tid_data;
1387 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1388 u16 capab = 0, tid = 0;
1389
1390 rcu_read_lock();
1391 sta = rtl_find_sta(hw, hdr->addr3);
1392 if (!sta) {
1393 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV,
1394 DBG_DMESG, "sta is NULL\n");
1395 rcu_read_unlock();
1396 return true;
1397 }
1398
1399 sta_entry =
1400 (struct rtl_sta_info *)sta->drv_priv;
1401 if (!sta_entry) {
1402 rcu_read_unlock();
1403 return true;
1404 }
1405 capab =
1406 le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1407 tid = (capab &
1408 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1409 if (tid >= MAX_TID_COUNT) {
1410 rcu_read_unlock();
1411 return true;
1412 }
1413 tid_data = &sta_entry->tids[tid];
1414 if (tid_data->agg.rx_agg_state ==
1415 RTL_RX_AGG_START)
1416 process_agg_start(hw, hdr, tid);
1417 rcu_read_unlock();
1418 }
1419 break;
1420 case ACT_ADDBARSP:
1421 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1422 "%s ACT_ADDBARSP From :%pM\n",
1423 is_tx ? "Tx" : "Rx", hdr->addr2);
1424 break;
1425 case ACT_DELBA:
1426 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1427 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
1428 break;
1429 }
1430 break;
1431 default:
1432 break;
1433 }
1434
1435 return true;
1436}
1437
1438static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
1439 int type)
1440{
1441 struct ieee80211_hw *hw = rtlpriv->hw;
1442
1443 rtlpriv->ra.is_special_data = true;
1444 if (rtlpriv->cfg->ops->get_btc_status())
1445 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(rtlpriv,
1446 type);
1447 rtl_lps_leave(hw);
1448 ppsc->last_delaylps_stamp_jiffies = jiffies;
1449}
1450
1451static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
1452 struct sk_buff *skb, bool is_enc)
1453{
1454 struct rtl_priv *rtlpriv = rtl_priv(hw);
1455 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1456 u8 encrypt_header_len = 0;
1457 u8 offset;
1458
1459 switch (rtlpriv->sec.pairwise_enc_algorithm) {
1460 case WEP40_ENCRYPTION:
1461 case WEP104_ENCRYPTION:
1462 encrypt_header_len = 4;
1463 break;
1464 case TKIP_ENCRYPTION:
1465 encrypt_header_len = 8;
1466 break;
1467 case AESCCMP_ENCRYPTION:
1468 encrypt_header_len = 8;
1469 break;
1470 default:
1471 break;
1472 }
1473
1474 offset = mac_hdr_len + SNAP_SIZE;
1475 if (is_enc)
1476 offset += encrypt_header_len;
1477
1478 return skb->data + offset;
1479}
1480
1481
1482u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
1483 bool is_enc)
1484{
1485 struct rtl_priv *rtlpriv = rtl_priv(hw);
1486 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1487 __le16 fc = rtl_get_fc(skb);
1488 u16 ether_type;
1489 const u8 *ether_type_ptr;
1490 const struct iphdr *ip;
1491
1492 if (!ieee80211_is_data(fc))
1493 goto end;
1494
1495 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
1496 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1497
1498 if (ether_type == ETH_P_IP) {
1499 ip = (struct iphdr *)((u8 *)ether_type_ptr +
1500 PROTOC_TYPE_SIZE);
1501 if (ip->protocol == IPPROTO_UDP) {
1502 struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1503 (ip->ihl << 2));
1504 if (((((u8 *)udp)[1] == 68) &&
1505 (((u8 *)udp)[3] == 67)) ||
1506 ((((u8 *)udp)[1] == 67) &&
1507 (((u8 *)udp)[3] == 68))) {
1508
1509
1510
1511 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
1512 DBG_DMESG, "dhcp %s !!\n",
1513 (is_tx) ? "Tx" : "Rx");
1514
1515 if (is_tx)
1516 setup_special_tx(rtlpriv, ppsc,
1517 PACKET_DHCP);
1518
1519 return true;
1520 }
1521 }
1522 } else if (ether_type == ETH_P_ARP) {
1523 if (is_tx)
1524 setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
1525
1526 return true;
1527 } else if (ether_type == ETH_P_PAE) {
1528
1529 rtlpriv->btcoexist.btc_info.in_4way = true;
1530 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1531 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1532
1533 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1534 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1535
1536 if (is_tx) {
1537 rtlpriv->ra.is_special_data = true;
1538 rtl_lps_leave(hw);
1539 ppsc->last_delaylps_stamp_jiffies = jiffies;
1540
1541 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
1542 }
1543
1544 return true;
1545 } else if (ether_type == ETH_P_IPV6) {
1546
1547
1548
1549 goto end;
1550 }
1551
1552end:
1553 rtlpriv->ra.is_special_data = false;
1554 return false;
1555}
1556
1557bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
1558{
1559 u16 ether_type;
1560 const u8 *ether_type_ptr;
1561
1562 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
1563 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1564
1565
1566 if (ether_type == ETH_P_PAE)
1567 return true;
1568
1569 return false;
1570}
1571
1572static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw)
1573{
1574 struct rtl_priv *rtlpriv = rtl_priv(hw);
1575 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1576 u16 sn;
1577
1578
1579
1580
1581
1582
1583 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2;
1584
1585 tx_report->last_sent_sn = sn;
1586 tx_report->last_sent_time = jiffies;
1587
1588 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1589 "Send TX-Report sn=0x%X\n", sn);
1590
1591 return sn;
1592}
1593
1594void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
1595 struct ieee80211_hw *hw)
1596{
1597 if (ptcb_desc->use_spe_rpt) {
1598 u16 sn = rtl_get_tx_report_sn(hw);
1599
1600 SET_TX_DESC_SPE_RPT(pdesc, 1);
1601 SET_TX_DESC_SW_DEFINE(pdesc, sn);
1602 }
1603}
1604
1605void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
1606{
1607 struct rtl_priv *rtlpriv = rtl_priv(hw);
1608 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1609 u16 sn;
1610 u8 st, retry;
1611
1612 if (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_FW_C2H) {
1613 sn = tmp_buf[6];
1614 st = tmp_buf[7] & 0xC0;
1615 retry = tmp_buf[8] & 0x3F;
1616 } else {
1617 sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6];
1618 st = tmp_buf[0] & 0xC0;
1619 retry = tmp_buf[2] & 0x3F;
1620 }
1621
1622 tx_report->last_recv_sn = sn;
1623
1624 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1625 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
1626 st, sn, retry);
1627}
1628
1629bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
1630{
1631 struct rtl_priv *rtlpriv = rtl_priv(hw);
1632 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1633
1634 if (tx_report->last_sent_sn == tx_report->last_recv_sn)
1635 return true;
1636
1637 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
1638 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
1639 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
1640 tx_report->last_sent_sn, tx_report->last_recv_sn);
1641 return true;
1642 }
1643
1644 return false;
1645}
1646
1647void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
1648{
1649 struct rtl_priv *rtlpriv = rtl_priv(hw);
1650 int i;
1651
1652 for (i = 0; i < wait_ms; i++) {
1653 if (rtl_check_tx_report_acked(hw))
1654 break;
1655 usleep_range(1000, 2000);
1656 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1657 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
1658 }
1659}
1660
1661u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
1662 struct ieee80211_vif *vif,
1663 enum wireless_mode wirelessmode,
1664 struct ieee80211_tx_queue_params *param)
1665{
1666 u32 reg = 0;
1667 u8 sifstime = 10;
1668 u8 slottime = 20;
1669
1670
1671 switch (wirelessmode) {
1672 case WIRELESS_MODE_A:
1673 case WIRELESS_MODE_N_24G:
1674 case WIRELESS_MODE_N_5G:
1675 case WIRELESS_MODE_AC_5G:
1676 case WIRELESS_MODE_AC_24G:
1677 sifstime = 16;
1678 slottime = 9;
1679 break;
1680 case WIRELESS_MODE_G:
1681 slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
1682 break;
1683 default:
1684 break;
1685 }
1686
1687 reg |= (param->txop & 0x7FF) << 16;
1688 reg |= (fls(param->cw_max) & 0xF) << 12;
1689 reg |= (fls(param->cw_min) & 0xF) << 8;
1690 reg |= (param->aifs & 0x0F) * slottime + sifstime;
1691
1692 return reg;
1693}
1694
1695
1696
1697
1698
1699
1700int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1701 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1702{
1703 struct rtl_priv *rtlpriv = rtl_priv(hw);
1704 struct rtl_tid_data *tid_data;
1705 struct rtl_sta_info *sta_entry = NULL;
1706
1707 if (!sta)
1708 return -EINVAL;
1709
1710 if (unlikely(tid >= MAX_TID_COUNT))
1711 return -EINVAL;
1712
1713 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1714 if (!sta_entry)
1715 return -ENXIO;
1716 tid_data = &sta_entry->tids[tid];
1717
1718 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1719 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1720 tid_data->seq_number);
1721
1722 *ssn = tid_data->seq_number;
1723 tid_data->agg.agg_state = RTL_AGG_START;
1724
1725 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1726 return 0;
1727}
1728
1729int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1730 struct ieee80211_sta *sta, u16 tid)
1731{
1732 struct rtl_priv *rtlpriv = rtl_priv(hw);
1733 struct rtl_tid_data *tid_data;
1734 struct rtl_sta_info *sta_entry = NULL;
1735
1736 if (!sta)
1737 return -EINVAL;
1738
1739 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1740 "on ra = %pM tid = %d\n", sta->addr, tid);
1741
1742 if (unlikely(tid >= MAX_TID_COUNT))
1743 return -EINVAL;
1744
1745 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1746 tid_data = &sta_entry->tids[tid];
1747 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1748
1749 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1750 return 0;
1751}
1752
1753int rtl_rx_agg_start(struct ieee80211_hw *hw,
1754 struct ieee80211_sta *sta, u16 tid)
1755{
1756 struct rtl_priv *rtlpriv = rtl_priv(hw);
1757 struct rtl_tid_data *tid_data;
1758 struct rtl_sta_info *sta_entry = NULL;
1759 u8 reject_agg;
1760
1761 if (!sta)
1762 return -EINVAL;
1763
1764 if (unlikely(tid >= MAX_TID_COUNT))
1765 return -EINVAL;
1766
1767 if (rtlpriv->cfg->ops->get_btc_status()) {
1768 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
1769 &reject_agg,
1770 NULL, NULL);
1771 if (reject_agg)
1772 return -EINVAL;
1773 }
1774
1775 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1776 if (!sta_entry)
1777 return -ENXIO;
1778 tid_data = &sta_entry->tids[tid];
1779
1780 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
1781 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1782 tid_data->seq_number);
1783
1784 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1785 return 0;
1786}
1787
1788int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1789 struct ieee80211_sta *sta, u16 tid)
1790{
1791 struct rtl_priv *rtlpriv = rtl_priv(hw);
1792 struct rtl_sta_info *sta_entry = NULL;
1793
1794 if (!sta)
1795 return -EINVAL;
1796
1797 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1798 "on ra = %pM tid = %d\n", sta->addr, tid);
1799
1800 if (unlikely(tid >= MAX_TID_COUNT))
1801 return -EINVAL;
1802
1803 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1804 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1805
1806 return 0;
1807}
1808
1809int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1810 struct ieee80211_sta *sta, u16 tid)
1811{
1812 struct rtl_priv *rtlpriv = rtl_priv(hw);
1813 struct rtl_sta_info *sta_entry = NULL;
1814
1815 if (!sta)
1816 return -EINVAL;
1817
1818 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1819 "on ra = %pM tid = %d\n", sta->addr, tid);
1820
1821 if (unlikely(tid >= MAX_TID_COUNT))
1822 return -EINVAL;
1823
1824 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1825 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1826
1827 return 0;
1828}
1829
1830void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
1831{
1832 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
1833 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
1834
1835 if (rtlpriv->cfg->ops->get_btc_status())
1836 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
1837 &ctrl_agg_size, &agg_size);
1838
1839 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
1840 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
1841 reject_agg, ctrl_agg_size, agg_size);
1842
1843 rtlpriv->hw->max_rx_aggregation_subframes =
1844 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT);
1845}
1846
1847
1848
1849
1850
1851
1852
1853void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1854{
1855 struct rtl_priv *rtlpriv = rtl_priv(hw);
1856 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1857
1858 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1859 return;
1860
1861 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1862 return;
1863
1864
1865 if (!ieee80211_is_beacon(hdr->frame_control) &&
1866 !ieee80211_is_probe_resp(hdr->frame_control))
1867 return;
1868
1869
1870 if (skb->len <= 40 + FCS_LEN)
1871 return;
1872
1873
1874 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1875 return;
1876
1877 rtlpriv->link_info.bcn_rx_inperiod++;
1878}
1879
1880static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
1881{
1882 struct rtl_priv *rtlpriv = rtl_priv(hw);
1883 struct rtl_bssid_entry *entry, *next;
1884
1885 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1886 list_del(&entry->list);
1887 kfree(entry);
1888 rtlpriv->scan_list.num--;
1889 }
1890}
1891
1892void rtl_scan_list_expire(struct ieee80211_hw *hw)
1893{
1894 struct rtl_priv *rtlpriv = rtl_priv(hw);
1895 struct rtl_bssid_entry *entry, *next;
1896 unsigned long flags;
1897
1898 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1899
1900 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1901
1902 if (jiffies_to_msecs(jiffies - entry->age) < 180000)
1903 continue;
1904
1905 list_del(&entry->list);
1906 rtlpriv->scan_list.num--;
1907
1908 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1909 "BSSID=%pM is expire in scan list (total=%d)\n",
1910 entry->bssid, rtlpriv->scan_list.num);
1911 kfree(entry);
1912 }
1913
1914 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1915
1916 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1917}
1918
1919void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
1920{
1921 struct rtl_priv *rtlpriv = rtl_priv(hw);
1922 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1923 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1924 unsigned long flags;
1925
1926 struct rtl_bssid_entry *entry;
1927 bool entry_found = false;
1928
1929
1930 if (!mac->act_scanning)
1931 return;
1932
1933
1934 if (!ieee80211_is_beacon(hdr->frame_control) &&
1935 !ieee80211_is_probe_resp(hdr->frame_control))
1936 return;
1937
1938 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1939
1940 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) {
1941 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) {
1942 list_del_init(&entry->list);
1943 entry_found = true;
1944 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1945 "Update BSSID=%pM to scan list (total=%d)\n",
1946 hdr->addr3, rtlpriv->scan_list.num);
1947 break;
1948 }
1949 }
1950
1951 if (!entry_found) {
1952 entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
1953
1954 if (!entry)
1955 goto label_err;
1956
1957 memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
1958 rtlpriv->scan_list.num++;
1959
1960 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1961 "Add BSSID=%pM to scan list (total=%d)\n",
1962 hdr->addr3, rtlpriv->scan_list.num);
1963 }
1964
1965 entry->age = jiffies;
1966
1967 list_add_tail(&entry->list, &rtlpriv->scan_list.list);
1968
1969label_err:
1970 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1971}
1972
1973void rtl_watchdog_wq_callback(void *data)
1974{
1975 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1976 struct rtl_works,
1977 watchdog_wq);
1978 struct ieee80211_hw *hw = rtlworks->hw;
1979 struct rtl_priv *rtlpriv = rtl_priv(hw);
1980 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1981 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1982 bool busytraffic = false;
1983 bool tx_busy_traffic = false;
1984 bool rx_busy_traffic = false;
1985 bool higher_busytraffic = false;
1986 bool higher_busyrxtraffic = false;
1987 u8 idx, tid;
1988 u32 rx_cnt_inp4eriod = 0;
1989 u32 tx_cnt_inp4eriod = 0;
1990 u32 aver_rx_cnt_inperiod = 0;
1991 u32 aver_tx_cnt_inperiod = 0;
1992 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1993 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1994
1995 if (is_hal_stop(rtlhal))
1996 return;
1997
1998
1999 if (mac->link_state > MAC80211_NOLINK) {
2000 if (mac->cnt_after_linked < 20)
2001 mac->cnt_after_linked++;
2002 } else {
2003 mac->cnt_after_linked = 0;
2004 }
2005
2006
2007
2008
2009 if (mac->link_state >= MAC80211_LINKED) {
2010
2011 for (idx = 0; idx <= 2; idx++) {
2012 rtlpriv->link_info.num_rx_in4period[idx] =
2013 rtlpriv->link_info.num_rx_in4period[idx + 1];
2014 rtlpriv->link_info.num_tx_in4period[idx] =
2015 rtlpriv->link_info.num_tx_in4period[idx + 1];
2016 }
2017 rtlpriv->link_info.num_rx_in4period[3] =
2018 rtlpriv->link_info.num_rx_inperiod;
2019 rtlpriv->link_info.num_tx_in4period[3] =
2020 rtlpriv->link_info.num_tx_inperiod;
2021 for (idx = 0; idx <= 3; idx++) {
2022 rx_cnt_inp4eriod +=
2023 rtlpriv->link_info.num_rx_in4period[idx];
2024 tx_cnt_inp4eriod +=
2025 rtlpriv->link_info.num_tx_in4period[idx];
2026 }
2027 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
2028 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
2029
2030
2031 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
2032 busytraffic = true;
2033 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
2034 rx_busy_traffic = true;
2035 else
2036 tx_busy_traffic = false;
2037 }
2038
2039
2040 if (aver_rx_cnt_inperiod > 4000 ||
2041 aver_tx_cnt_inperiod > 4000) {
2042 higher_busytraffic = true;
2043
2044
2045 if (aver_rx_cnt_inperiod > 5000)
2046 higher_busyrxtraffic = true;
2047 }
2048
2049
2050 for (tid = 0; tid <= 7; tid++) {
2051 for (idx = 0; idx <= 2; idx++)
2052 rtlpriv->link_info.tidtx_in4period[tid][idx] =
2053 rtlpriv->link_info.tidtx_in4period[tid]
2054 [idx + 1];
2055 rtlpriv->link_info.tidtx_in4period[tid][3] =
2056 rtlpriv->link_info.tidtx_inperiod[tid];
2057
2058 for (idx = 0; idx <= 3; idx++)
2059 tidtx_inp4eriod[tid] +=
2060 rtlpriv->link_info.tidtx_in4period[tid][idx];
2061 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
2062 if (aver_tidtx_inperiod[tid] > 5000)
2063 rtlpriv->link_info.higher_busytxtraffic[tid] =
2064 true;
2065 else
2066 rtlpriv->link_info.higher_busytxtraffic[tid] =
2067 false;
2068 }
2069
2070
2071 if (rtlpriv->cfg->ops->get_btc_status() &&
2072 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
2073 goto label_lps_done;
2074
2075 if (rtlpriv->link_info.num_rx_inperiod +
2076 rtlpriv->link_info.num_tx_inperiod > 8 ||
2077 rtlpriv->link_info.num_rx_inperiod > 2)
2078 rtl_lps_leave(hw);
2079 else
2080 rtl_lps_enter(hw);
2081
2082label_lps_done:
2083 ;
2084 }
2085
2086 rtlpriv->link_info.num_rx_inperiod = 0;
2087 rtlpriv->link_info.num_tx_inperiod = 0;
2088 for (tid = 0; tid <= 7; tid++)
2089 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
2090
2091 rtlpriv->link_info.busytraffic = busytraffic;
2092 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
2093 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
2094 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
2095 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
2096
2097 rtlpriv->stats.txbytesunicast_inperiod =
2098 rtlpriv->stats.txbytesunicast -
2099 rtlpriv->stats.txbytesunicast_last;
2100 rtlpriv->stats.rxbytesunicast_inperiod =
2101 rtlpriv->stats.rxbytesunicast -
2102 rtlpriv->stats.rxbytesunicast_last;
2103 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
2104 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
2105
2106 rtlpriv->stats.txbytesunicast_inperiod_tp =
2107 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
2108 1024 / 1024);
2109 rtlpriv->stats.rxbytesunicast_inperiod_tp =
2110 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
2111 1024 / 1024);
2112
2113
2114 if (!rtlpriv->cfg->mod_params->disable_watchdog)
2115 rtlpriv->cfg->ops->dm_watchdog(hw);
2116
2117
2118 if (mac->link_state == MAC80211_LINKED &&
2119 mac->opmode == NL80211_IFTYPE_STATION) {
2120 if ((rtlpriv->link_info.bcn_rx_inperiod +
2121 rtlpriv->link_info.num_rx_inperiod) == 0) {
2122 rtlpriv->link_info.roam_times++;
2123 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
2124 "AP off for %d s\n",
2125 (rtlpriv->link_info.roam_times * 2));
2126
2127
2128
2129
2130 if (rtlpriv->link_info.roam_times >= 5) {
2131 pr_err("AP off, try to reconnect now\n");
2132 rtlpriv->link_info.roam_times = 0;
2133 ieee80211_connection_loss(rtlpriv->mac80211.vif);
2134 }
2135 } else {
2136 rtlpriv->link_info.roam_times = 0;
2137 }
2138 }
2139
2140 if (rtlpriv->cfg->ops->get_btc_status())
2141 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
2142
2143 if (rtlpriv->btcoexist.btc_info.in_4way) {
2144 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
2145 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
2146 rtlpriv->btcoexist.btc_info.in_4way = false;
2147 }
2148
2149 rtlpriv->link_info.bcn_rx_inperiod = 0;
2150
2151
2152 rtl_scan_list_expire(hw);
2153}
2154
2155void rtl_watch_dog_timer_callback(struct timer_list *t)
2156{
2157 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
2158
2159 queue_delayed_work(rtlpriv->works.rtl_wq,
2160 &rtlpriv->works.watchdog_wq, 0);
2161
2162 mod_timer(&rtlpriv->works.watchdog_timer,
2163 jiffies + MSECS(RTL_WATCH_DOG_TIME));
2164}
2165
2166void rtl_fwevt_wq_callback(void *data)
2167{
2168 struct rtl_works *rtlworks =
2169 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
2170 struct ieee80211_hw *hw = rtlworks->hw;
2171 struct rtl_priv *rtlpriv = rtl_priv(hw);
2172
2173 rtlpriv->cfg->ops->c2h_command_handle(hw);
2174}
2175
2176void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val)
2177{
2178 struct rtl_priv *rtlpriv = rtl_priv(hw);
2179 unsigned long flags;
2180 struct rtl_c2hcmd *c2hcmd;
2181
2182 c2hcmd = kmalloc(sizeof(*c2hcmd),
2183 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
2184
2185 if (!c2hcmd)
2186 goto label_err;
2187
2188 c2hcmd->val = kmalloc(len,
2189 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
2190
2191 if (!c2hcmd->val)
2192 goto label_err2;
2193
2194
2195 c2hcmd->tag = tag;
2196 c2hcmd->len = len;
2197 memcpy(c2hcmd->val, val, len);
2198
2199
2200 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2201
2202 list_add_tail(&c2hcmd->list, &rtlpriv->c2hcmd_list);
2203
2204 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2205
2206
2207 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0);
2208
2209 return;
2210
2211label_err2:
2212 kfree(c2hcmd);
2213
2214label_err:
2215 RT_TRACE(rtlpriv, COMP_CMD, DBG_WARNING,
2216 "C2H cmd enqueue fail.\n");
2217}
2218
2219void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
2220{
2221 struct rtl_priv *rtlpriv = rtl_priv(hw);
2222 unsigned long flags;
2223 struct rtl_c2hcmd *c2hcmd;
2224 int i;
2225
2226 for (i = 0; i < 200; i++) {
2227
2228 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2229
2230 c2hcmd = list_first_entry_or_null(&rtlpriv->c2hcmd_list,
2231 struct rtl_c2hcmd, list);
2232
2233 if (c2hcmd)
2234 list_del(&c2hcmd->list);
2235
2236 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2237
2238
2239 if (!c2hcmd)
2240 break;
2241
2242 if (rtlpriv->cfg->ops->c2h_content_parsing && exec)
2243 rtlpriv->cfg->ops->c2h_content_parsing(hw,
2244 c2hcmd->tag, c2hcmd->len, c2hcmd->val);
2245
2246
2247 kfree(c2hcmd->val);
2248
2249 kfree(c2hcmd);
2250 }
2251}
2252
2253void rtl_c2hcmd_wq_callback(void *data)
2254{
2255 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
2256 struct rtl_works,
2257 c2hcmd_wq);
2258 struct ieee80211_hw *hw = rtlworks->hw;
2259
2260 rtl_c2hcmd_launcher(hw, 1);
2261}
2262
2263void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t)
2264{
2265 struct rtl_priv *rtlpriv =
2266 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer);
2267 struct ieee80211_hw *hw = rtlpriv->hw;
2268 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
2269
2270 if (!buddy_priv)
2271 return;
2272
2273 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
2274}
2275
2276
2277
2278
2279
2280
2281u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
2282{
2283 struct ieee80211_mgmt *mgmt = (void *)data;
2284 u8 *pos, *end;
2285
2286 pos = (u8 *)mgmt->u.beacon.variable;
2287 end = data + len;
2288 while (pos < end) {
2289 if (pos + 2 + pos[1] > end)
2290 return NULL;
2291
2292 if (pos[0] == ie)
2293 return pos;
2294
2295 pos += 2 + pos[1];
2296 }
2297 return NULL;
2298}
2299
2300
2301
2302static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
2303 enum ieee80211_smps_mode smps,
2304 u8 *da, u8 *bssid)
2305{
2306 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2307 struct sk_buff *skb;
2308 struct ieee80211_mgmt *action_frame;
2309
2310
2311 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
2312 if (!skb)
2313 return NULL;
2314
2315 skb_reserve(skb, hw->extra_tx_headroom);
2316 action_frame = skb_put_zero(skb, 27);
2317 memcpy(action_frame->da, da, ETH_ALEN);
2318 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
2319 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2320 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2321 IEEE80211_STYPE_ACTION);
2322 action_frame->u.action.category = WLAN_CATEGORY_HT;
2323 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
2324 switch (smps) {
2325 case IEEE80211_SMPS_AUTOMATIC:
2326 case IEEE80211_SMPS_NUM_MODES:
2327 WARN_ON(1);
2328
2329 case IEEE80211_SMPS_OFF:
2330 action_frame->u.action.u.ht_smps.smps_control =
2331 WLAN_HT_SMPS_CONTROL_DISABLED;
2332 break;
2333 case IEEE80211_SMPS_STATIC:
2334 action_frame->u.action.u.ht_smps.smps_control =
2335 WLAN_HT_SMPS_CONTROL_STATIC;
2336 break;
2337 case IEEE80211_SMPS_DYNAMIC:
2338 action_frame->u.action.u.ht_smps.smps_control =
2339 WLAN_HT_SMPS_CONTROL_DYNAMIC;
2340 break;
2341 }
2342
2343 return skb;
2344}
2345
2346int rtl_send_smps_action(struct ieee80211_hw *hw,
2347 struct ieee80211_sta *sta,
2348 enum ieee80211_smps_mode smps)
2349{
2350 struct rtl_priv *rtlpriv = rtl_priv(hw);
2351 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2352 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2353 struct sk_buff *skb = NULL;
2354 struct rtl_tcb_desc tcb_desc;
2355 u8 bssid[ETH_ALEN] = {0};
2356
2357 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
2358
2359 if (rtlpriv->mac80211.act_scanning)
2360 goto err_free;
2361
2362 if (!sta)
2363 goto err_free;
2364
2365 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
2366 goto err_free;
2367
2368 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
2369 goto err_free;
2370
2371 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
2372 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
2373 else
2374 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
2375
2376 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
2377
2378 if (skb) {
2379 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2380 struct rtl_sta_info *sta_entry =
2381 (struct rtl_sta_info *)sta->drv_priv;
2382 sta_entry->mimo_ps = smps;
2383
2384
2385 info->control.rates[0].idx = 0;
2386 info->band = hw->conf.chandef.chan->band;
2387 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
2388 }
2389 return 1;
2390
2391err_free:
2392 return 0;
2393}
2394
2395void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
2396{
2397 struct rtl_priv *rtlpriv = rtl_priv(hw);
2398 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2399 enum io_type iotype;
2400
2401 if (!is_hal_stop(rtlhal)) {
2402 switch (operation) {
2403 case SCAN_OPT_BACKUP:
2404 iotype = IO_CMD_PAUSE_DM_BY_SCAN;
2405 rtlpriv->cfg->ops->set_hw_reg(hw,
2406 HW_VAR_IO_CMD,
2407 (u8 *)&iotype);
2408 break;
2409 case SCAN_OPT_RESTORE:
2410 iotype = IO_CMD_RESUME_DM_BY_SCAN;
2411 rtlpriv->cfg->ops->set_hw_reg(hw,
2412 HW_VAR_IO_CMD,
2413 (u8 *)&iotype);
2414 break;
2415 default:
2416 pr_err("Unknown Scan Backup operation.\n");
2417 break;
2418 }
2419 }
2420}
2421
2422
2423
2424
2425
2426
2427struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
2428 u8 *sa, u8 *bssid, u16 tid)
2429{
2430 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2431 struct sk_buff *skb;
2432 struct ieee80211_mgmt *action_frame;
2433 u16 params;
2434
2435
2436 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
2437 if (!skb)
2438 return NULL;
2439
2440 skb_reserve(skb, hw->extra_tx_headroom);
2441 action_frame = skb_put_zero(skb, 34);
2442 memcpy(action_frame->sa, sa, ETH_ALEN);
2443 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
2444 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2445 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2446 IEEE80211_STYPE_ACTION);
2447 action_frame->u.action.category = WLAN_CATEGORY_BACK;
2448 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
2449 params = (u16)(1 << 11);
2450 params |= (u16)(tid << 12);
2451
2452 action_frame->u.action.u.delba.params = cpu_to_le16(params);
2453 action_frame->u.action.u.delba.reason_code =
2454 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
2455
2456 return skb;
2457}
2458
2459bool rtl_check_beacon_key(struct ieee80211_hw *hw, void *data, unsigned int len)
2460{
2461 struct rtl_priv *rtlpriv = rtl_priv(hw);
2462 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2463 struct rtl_phy *rtlphy = &rtlpriv->phy;
2464 struct ieee80211_hdr *hdr = data;
2465 struct ieee80211_ht_cap *ht_cap_ie;
2466 struct ieee80211_ht_operation *ht_oper_ie = NULL;
2467 struct rtl_beacon_keys bcn_key = {};
2468 struct rtl_beacon_keys *cur_bcn_key;
2469 u8 *ht_cap;
2470 u8 ht_cap_len;
2471 u8 *ht_oper;
2472 u8 ht_oper_len;
2473 u8 *ds_param;
2474 u8 ds_param_len;
2475
2476 if (mac->opmode != NL80211_IFTYPE_STATION)
2477 return false;
2478
2479
2480 if (!ieee80211_is_beacon(hdr->frame_control))
2481 return false;
2482
2483
2484 if (len <= 40 + FCS_LEN)
2485 return false;
2486
2487 cur_bcn_key = &mac->cur_beacon_keys;
2488
2489 if (rtlpriv->mac80211.link_state == MAC80211_NOLINK) {
2490 if (cur_bcn_key->valid) {
2491 cur_bcn_key->valid = false;
2492 RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
2493 "Reset cur_beacon_keys.valid to false!\n");
2494 }
2495 return false;
2496 }
2497
2498
2499 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
2500 return false;
2501
2502
2503 ds_param = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_DS_PARAMS);
2504
2505 if (ds_param && !(ds_param[1] < sizeof(*ds_param))) {
2506 ds_param_len = ds_param[1];
2507 bcn_key.bcn_channel = ds_param[2];
2508 } else {
2509 ds_param = NULL;
2510 }
2511
2512
2513 ht_cap = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_HT_CAPABILITY);
2514
2515 if (ht_cap && !(ht_cap[1] < sizeof(*ht_cap))) {
2516 ht_cap_len = ht_cap[1];
2517 ht_cap_ie = (struct ieee80211_ht_cap *)&ht_cap[2];
2518 bcn_key.ht_cap_info = ht_cap_ie->cap_info;
2519 } else {
2520 ht_cap = NULL;
2521 }
2522
2523
2524 ht_oper = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_HT_OPERATION);
2525
2526 if (ht_oper && !(ht_oper[1] < sizeof(*ht_oper))) {
2527 ht_oper_len = ht_oper[1];
2528 ht_oper_ie = (struct ieee80211_ht_operation *)&ht_oper[2];
2529 } else {
2530 ht_oper = NULL;
2531 }
2532
2533
2534
2535 if (!ds_param && ht_oper && ht_oper_ie)
2536 bcn_key.bcn_channel = ht_oper_ie->primary_chan;
2537
2538 if (ht_oper && ht_oper_ie)
2539 bcn_key.ht_info_infos_0_sco = ht_oper_ie->ht_param & 0x03;
2540
2541 bcn_key.valid = true;
2542
2543
2544 if (rtlpriv->mac80211.link_state != MAC80211_LINKED &&
2545 rtlpriv->mac80211.link_state != MAC80211_LINKED_SCANNING)
2546 return true;
2547
2548 if (!cur_bcn_key->valid) {
2549
2550 memcpy(cur_bcn_key, &bcn_key, sizeof(bcn_key));
2551 cur_bcn_key->valid = true;
2552
2553 RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
2554 "Beacon key update!ch=%d, ht_cap_info=0x%x, sco=0x%x\n",
2555 cur_bcn_key->bcn_channel,
2556 cur_bcn_key->ht_cap_info,
2557 cur_bcn_key->ht_info_infos_0_sco);
2558 return true;
2559 }
2560
2561
2562 if (!memcmp(cur_bcn_key, &bcn_key, sizeof(bcn_key))) {
2563
2564 mac->new_beacon_cnt = 0;
2565 goto chk_exit;
2566 }
2567
2568 if (cur_bcn_key->bcn_channel == bcn_key.bcn_channel &&
2569 cur_bcn_key->ht_cap_info == bcn_key.ht_cap_info) {
2570
2571
2572 if (cur_bcn_key->ht_info_infos_0_sco >
2573 bcn_key.ht_info_infos_0_sco) {
2574
2575 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2576 "Beacon BW change! sco:0x%x -> 0x%x\n",
2577 cur_bcn_key->ht_info_infos_0_sco,
2578 bcn_key.ht_info_infos_0_sco);
2579
2580 cur_bcn_key->ht_info_infos_0_sco =
2581 bcn_key.ht_info_infos_0_sco;
2582 } else {
2583
2584 if (rtlphy->max_ht_chan_bw >= HT_CHANNEL_WIDTH_20_40) {
2585
2586 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2587 "Beacon BW change! sco:0x%x -> 0x%x\n",
2588 cur_bcn_key->ht_info_infos_0_sco,
2589 bcn_key.ht_info_infos_0_sco);
2590
2591 cur_bcn_key->ht_info_infos_0_sco =
2592 bcn_key.ht_info_infos_0_sco;
2593 } else {
2594 mac->new_beacon_cnt++;
2595 }
2596 }
2597 } else {
2598 mac->new_beacon_cnt++;
2599 }
2600
2601 if (mac->new_beacon_cnt == 1) {
2602 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2603 "Get new beacon.\n");
2604 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2605 "Cur : ch=%d, ht_cap=0x%x, sco=0x%x\n",
2606 cur_bcn_key->bcn_channel,
2607 cur_bcn_key->ht_cap_info,
2608 cur_bcn_key->ht_info_infos_0_sco);
2609 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2610 "New RX : ch=%d, ht_cap=0x%x, sco=0x%x\n",
2611 bcn_key.bcn_channel,
2612 bcn_key.ht_cap_info,
2613 bcn_key.ht_info_infos_0_sco);
2614
2615 } else if (mac->new_beacon_cnt > 1) {
2616 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2617 "new beacon cnt: %d\n",
2618 mac->new_beacon_cnt);
2619 }
2620
2621 if (mac->new_beacon_cnt > 3) {
2622 ieee80211_connection_loss(rtlpriv->mac80211.vif);
2623 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2624 "new beacon cnt >3, disconnect !\n");
2625 }
2626
2627chk_exit:
2628
2629 return true;
2630}
2631
2632
2633
2634
2635
2636
2637static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
2638 struct octet_string vendor_ie)
2639{
2640 struct rtl_priv *rtlpriv = rtl_priv(hw);
2641 bool matched = false;
2642 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
2643 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
2644 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
2645 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
2646 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
2647 static u8 racap[] = { 0x00, 0x0c, 0x43 };
2648 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
2649 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
2650
2651 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
2652 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
2653 rtlpriv->mac80211.vendor = PEER_ATH;
2654 matched = true;
2655 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
2656 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
2657 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
2658 rtlpriv->mac80211.vendor = PEER_BROAD;
2659 matched = true;
2660 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
2661 rtlpriv->mac80211.vendor = PEER_RAL;
2662 matched = true;
2663 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
2664 rtlpriv->mac80211.vendor = PEER_CISCO;
2665 matched = true;
2666 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
2667 rtlpriv->mac80211.vendor = PEER_MARV;
2668 matched = true;
2669 }
2670
2671 return matched;
2672}
2673
2674static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
2675 unsigned int len)
2676{
2677 struct ieee80211_mgmt *mgmt = (void *)data;
2678 struct octet_string vendor_ie;
2679 u8 *pos, *end;
2680
2681 pos = (u8 *)mgmt->u.beacon.variable;
2682 end = data + len;
2683 while (pos < end) {
2684 if (pos[0] == 221) {
2685 vendor_ie.length = pos[1];
2686 vendor_ie.octet = &pos[2];
2687 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
2688 return true;
2689 }
2690
2691 if (pos + 2 + pos[1] > end)
2692 return false;
2693
2694 pos += 2 + pos[1];
2695 }
2696 return false;
2697}
2698
2699void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
2700{
2701 struct rtl_priv *rtlpriv = rtl_priv(hw);
2702 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2703 struct ieee80211_hdr *hdr = (void *)data;
2704 u32 vendor = PEER_UNKNOWN;
2705
2706 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2707 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2708 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2709 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2710 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2711 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2712 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2713 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2714 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2715 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2716 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2717 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2718 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2719 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2720 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2721 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2722
2723 if (mac->opmode != NL80211_IFTYPE_STATION)
2724 return;
2725
2726 if (mac->link_state == MAC80211_NOLINK) {
2727 mac->vendor = PEER_UNKNOWN;
2728 return;
2729 }
2730
2731 if (mac->cnt_after_linked > 2)
2732 return;
2733
2734
2735 if (!ieee80211_is_beacon(hdr->frame_control))
2736 return;
2737
2738
2739 if (len <= 40 + FCS_LEN)
2740 return;
2741
2742
2743 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
2744 return;
2745
2746 if (rtl_find_221_ie(hw, data, len))
2747 vendor = mac->vendor;
2748
2749 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
2750 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
2751 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
2752 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
2753 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
2754 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
2755 vendor == PEER_ATH) {
2756 vendor = PEER_ATH;
2757 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2758 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
2759 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
2760 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
2761 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
2762 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
2763 vendor == PEER_RAL) {
2764 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2765 vendor = PEER_RAL;
2766 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
2767 vendor == PEER_CISCO) {
2768 vendor = PEER_CISCO;
2769 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2770 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
2771 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
2772 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
2773 vendor == PEER_BROAD) {
2774 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2775 vendor = PEER_BROAD;
2776 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
2777 vendor == PEER_MARV) {
2778 vendor = PEER_MARV;
2779 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2780 }
2781
2782 mac->vendor = vendor;
2783}
2784
2785MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
2786MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
2787MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
2788MODULE_LICENSE("GPL");
2789MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2790
2791struct rtl_global_var rtl_global_var = {};
2792
2793int rtl_core_module_init(void)
2794{
2795 if (rtl_rate_control_register())
2796 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2797
2798
2799 rtl_debugfs_add_topdir();
2800
2801
2802 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
2803 spin_lock_init(&rtl_global_var.glb_list_lock);
2804
2805 return 0;
2806}
2807
2808void rtl_core_module_exit(void)
2809{
2810
2811 rtl_rate_control_unregister();
2812
2813
2814 rtl_debugfs_remove_topdir();
2815}
2816
