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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(
689 struct ieee80211_hw *hw, u8 rate_index,
690 enum wireless_mode wirelessmode)
691{
692 struct rtl_priv *rtlpriv = rtl_priv(hw);
693 struct rtl_phy *rtlphy = &rtlpriv->phy;
694 u8 ret = 0;
695
696 switch (rate_index) {
697 case RATR_INX_WIRELESS_NGB:
698 if (rtlphy->rf_type == RF_1T1R)
699 ret = RATEID_IDX_BGN_40M_1SS;
700 else
701 ret = RATEID_IDX_BGN_40M_2SS;
702 break;
703 case RATR_INX_WIRELESS_N:
704 case RATR_INX_WIRELESS_NG:
705 if (rtlphy->rf_type == RF_1T1R)
706 ret = RATEID_IDX_GN_N1SS;
707 else
708 ret = RATEID_IDX_GN_N2SS;
709 break;
710 case RATR_INX_WIRELESS_NB:
711 if (rtlphy->rf_type == RF_1T1R)
712 ret = RATEID_IDX_BGN_20M_1SS_BN;
713 else
714 ret = RATEID_IDX_BGN_20M_2SS_BN;
715 break;
716 case RATR_INX_WIRELESS_GB:
717 ret = RATEID_IDX_BG;
718 break;
719 case RATR_INX_WIRELESS_G:
720 ret = RATEID_IDX_G;
721 break;
722 case RATR_INX_WIRELESS_B:
723 ret = RATEID_IDX_B;
724 break;
725 case RATR_INX_WIRELESS_MC:
726 if (wirelessmode == WIRELESS_MODE_B ||
727 wirelessmode == WIRELESS_MODE_G ||
728 wirelessmode == WIRELESS_MODE_N_24G ||
729 wirelessmode == WIRELESS_MODE_AC_24G)
730 ret = RATEID_IDX_BG;
731 else
732 ret = RATEID_IDX_G;
733 break;
734 case RATR_INX_WIRELESS_AC_5N:
735 if (rtlphy->rf_type == RF_1T1R)
736 ret = RATEID_IDX_VHT_1SS;
737 else
738 ret = RATEID_IDX_VHT_2SS;
739 break;
740 case RATR_INX_WIRELESS_AC_24N:
741 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
742 if (rtlphy->rf_type == RF_1T1R)
743 ret = RATEID_IDX_VHT_1SS;
744 else
745 ret = RATEID_IDX_VHT_2SS;
746 } else {
747 if (rtlphy->rf_type == RF_1T1R)
748 ret = RATEID_IDX_MIX1;
749 else
750 ret = RATEID_IDX_MIX2;
751 }
752 break;
753 default:
754 ret = RATEID_IDX_BGN_40M_2SS;
755 break;
756 }
757 return ret;
758}
759
760static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
761 struct ieee80211_sta *sta,
762 struct rtl_tcb_desc *tcb_desc)
763{
764#define SET_RATE_ID(rate_id) \
765 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
766 rtl_mrate_idx_to_arfr_id(hw, rate_id, \
767 (sta_entry ? sta_entry->wireless_mode : \
768 WIRELESS_MODE_G)) : \
769 rate_id)
770
771 struct rtl_priv *rtlpriv = rtl_priv(hw);
772 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
773 struct rtl_sta_info *sta_entry = NULL;
774 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
775
776 if (sta) {
777 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
778 ratr_index = sta_entry->ratr_index;
779 }
780 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
781 if (mac->opmode == NL80211_IFTYPE_STATION) {
782 tcb_desc->ratr_index = 0;
783 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
784 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
785 if (tcb_desc->multicast || tcb_desc->broadcast) {
786 tcb_desc->hw_rate =
787 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
788 tcb_desc->use_driver_rate = 1;
789 tcb_desc->ratr_index =
790 SET_RATE_ID(RATR_INX_WIRELESS_MC);
791 } else {
792 tcb_desc->ratr_index = ratr_index;
793 }
794 } else if (mac->opmode == NL80211_IFTYPE_AP) {
795 tcb_desc->ratr_index = ratr_index;
796 }
797 }
798
799 if (rtlpriv->dm.useramask) {
800 tcb_desc->ratr_index = ratr_index;
801
802 if (mac->opmode == NL80211_IFTYPE_STATION ||
803 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
804 tcb_desc->mac_id = 0;
805
806 if (sta &&
807 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
808 ;
809 else if (mac->mode == WIRELESS_MODE_AC_5G)
810 tcb_desc->ratr_index =
811 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N);
812 else if (mac->mode == WIRELESS_MODE_AC_24G)
813 tcb_desc->ratr_index =
814 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N);
815 else if (mac->mode == WIRELESS_MODE_N_24G)
816 tcb_desc->ratr_index =
817 SET_RATE_ID(RATR_INX_WIRELESS_NGB);
818 else if (mac->mode == WIRELESS_MODE_N_5G)
819 tcb_desc->ratr_index =
820 SET_RATE_ID(RATR_INX_WIRELESS_NG);
821 else if (mac->mode & WIRELESS_MODE_G)
822 tcb_desc->ratr_index =
823 SET_RATE_ID(RATR_INX_WIRELESS_GB);
824 else if (mac->mode & WIRELESS_MODE_B)
825 tcb_desc->ratr_index =
826 SET_RATE_ID(RATR_INX_WIRELESS_B);
827 else if (mac->mode & WIRELESS_MODE_A)
828 tcb_desc->ratr_index =
829 SET_RATE_ID(RATR_INX_WIRELESS_G);
830
831 } else if (mac->opmode == NL80211_IFTYPE_AP ||
832 mac->opmode == NL80211_IFTYPE_ADHOC) {
833 if (sta) {
834 if (sta->aid > 0)
835 tcb_desc->mac_id = sta->aid + 1;
836 else
837 tcb_desc->mac_id = 1;
838 } else {
839 tcb_desc->mac_id = 0;
840 }
841 }
842 }
843#undef SET_RATE_ID
844}
845
846static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
847 struct ieee80211_sta *sta,
848 struct rtl_tcb_desc *tcb_desc)
849{
850 struct rtl_priv *rtlpriv = rtl_priv(hw);
851 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
852
853 tcb_desc->packet_bw = false;
854 if (!sta)
855 return;
856 if (mac->opmode == NL80211_IFTYPE_AP ||
857 mac->opmode == NL80211_IFTYPE_ADHOC ||
858 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
859 if (!(sta->ht_cap.ht_supported) ||
860 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
861 return;
862 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
863 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
864 return;
865 }
866 if (tcb_desc->multicast || tcb_desc->broadcast)
867 return;
868
869
870 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
871 return;
872
873 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
874
875 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE ||
876 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE ||
877 (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT)) {
878 if (mac->opmode == NL80211_IFTYPE_AP ||
879 mac->opmode == NL80211_IFTYPE_ADHOC ||
880 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
881 if (!(sta->vht_cap.vht_supported))
882 return;
883 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
884 if (!mac->bw_80 ||
885 !(sta->vht_cap.vht_supported))
886 return;
887 }
888 if (tcb_desc->hw_rate <=
889 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
890 return;
891 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
892 }
893}
894
895static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
896 struct ieee80211_sta *sta)
897{
898 struct rtl_priv *rtlpriv = rtl_priv(hw);
899 struct rtl_phy *rtlphy = &rtlpriv->phy;
900 u8 hw_rate;
901 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
902
903 if ((get_rf_type(rtlphy) == RF_2T2R) &&
904 (tx_mcs_map & 0x000c) != 0x000c) {
905 if ((tx_mcs_map & 0x000c) >> 2 ==
906 IEEE80211_VHT_MCS_SUPPORT_0_7)
907 hw_rate =
908 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
909 else if ((tx_mcs_map & 0x000c) >> 2 ==
910 IEEE80211_VHT_MCS_SUPPORT_0_8)
911 hw_rate =
912 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
913 else
914 hw_rate =
915 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
916 } else {
917 if ((tx_mcs_map & 0x0003) ==
918 IEEE80211_VHT_MCS_SUPPORT_0_7)
919 hw_rate =
920 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
921 else if ((tx_mcs_map & 0x0003) ==
922 IEEE80211_VHT_MCS_SUPPORT_0_8)
923 hw_rate =
924 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
925 else
926 hw_rate =
927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
928 }
929
930 return hw_rate;
931}
932
933static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
934 struct ieee80211_sta *sta)
935{
936 struct rtl_priv *rtlpriv = rtl_priv(hw);
937 struct rtl_phy *rtlphy = &rtlpriv->phy;
938 u8 hw_rate;
939
940 if (get_rf_type(rtlphy) == RF_2T2R &&
941 sta->ht_cap.mcs.rx_mask[1] != 0)
942 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
943 else
944 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
945
946 return hw_rate;
947}
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
975 u8 desc_rate)
976{
977 int rate_idx;
978
979 if (isvht) {
980 switch (desc_rate) {
981 case DESC_RATEVHT1SS_MCS0:
982 rate_idx = 0;
983 break;
984 case DESC_RATEVHT1SS_MCS1:
985 rate_idx = 1;
986 break;
987 case DESC_RATEVHT1SS_MCS2:
988 rate_idx = 2;
989 break;
990 case DESC_RATEVHT1SS_MCS3:
991 rate_idx = 3;
992 break;
993 case DESC_RATEVHT1SS_MCS4:
994 rate_idx = 4;
995 break;
996 case DESC_RATEVHT1SS_MCS5:
997 rate_idx = 5;
998 break;
999 case DESC_RATEVHT1SS_MCS6:
1000 rate_idx = 6;
1001 break;
1002 case DESC_RATEVHT1SS_MCS7:
1003 rate_idx = 7;
1004 break;
1005 case DESC_RATEVHT1SS_MCS8:
1006 rate_idx = 8;
1007 break;
1008 case DESC_RATEVHT1SS_MCS9:
1009 rate_idx = 9;
1010 break;
1011 case DESC_RATEVHT2SS_MCS0:
1012 rate_idx = 0;
1013 break;
1014 case DESC_RATEVHT2SS_MCS1:
1015 rate_idx = 1;
1016 break;
1017 case DESC_RATEVHT2SS_MCS2:
1018 rate_idx = 2;
1019 break;
1020 case DESC_RATEVHT2SS_MCS3:
1021 rate_idx = 3;
1022 break;
1023 case DESC_RATEVHT2SS_MCS4:
1024 rate_idx = 4;
1025 break;
1026 case DESC_RATEVHT2SS_MCS5:
1027 rate_idx = 5;
1028 break;
1029 case DESC_RATEVHT2SS_MCS6:
1030 rate_idx = 6;
1031 break;
1032 case DESC_RATEVHT2SS_MCS7:
1033 rate_idx = 7;
1034 break;
1035 case DESC_RATEVHT2SS_MCS8:
1036 rate_idx = 8;
1037 break;
1038 case DESC_RATEVHT2SS_MCS9:
1039 rate_idx = 9;
1040 break;
1041 default:
1042 rate_idx = 0;
1043 break;
1044 }
1045 return rate_idx;
1046 }
1047 if (!isht) {
1048 if (hw->conf.chandef.chan->band == NL80211_BAND_2GHZ) {
1049 switch (desc_rate) {
1050 case DESC_RATE1M:
1051 rate_idx = 0;
1052 break;
1053 case DESC_RATE2M:
1054 rate_idx = 1;
1055 break;
1056 case DESC_RATE5_5M:
1057 rate_idx = 2;
1058 break;
1059 case DESC_RATE11M:
1060 rate_idx = 3;
1061 break;
1062 case DESC_RATE6M:
1063 rate_idx = 4;
1064 break;
1065 case DESC_RATE9M:
1066 rate_idx = 5;
1067 break;
1068 case DESC_RATE12M:
1069 rate_idx = 6;
1070 break;
1071 case DESC_RATE18M:
1072 rate_idx = 7;
1073 break;
1074 case DESC_RATE24M:
1075 rate_idx = 8;
1076 break;
1077 case DESC_RATE36M:
1078 rate_idx = 9;
1079 break;
1080 case DESC_RATE48M:
1081 rate_idx = 10;
1082 break;
1083 case DESC_RATE54M:
1084 rate_idx = 11;
1085 break;
1086 default:
1087 rate_idx = 0;
1088 break;
1089 }
1090 } else {
1091 switch (desc_rate) {
1092 case DESC_RATE6M:
1093 rate_idx = 0;
1094 break;
1095 case DESC_RATE9M:
1096 rate_idx = 1;
1097 break;
1098 case DESC_RATE12M:
1099 rate_idx = 2;
1100 break;
1101 case DESC_RATE18M:
1102 rate_idx = 3;
1103 break;
1104 case DESC_RATE24M:
1105 rate_idx = 4;
1106 break;
1107 case DESC_RATE36M:
1108 rate_idx = 5;
1109 break;
1110 case DESC_RATE48M:
1111 rate_idx = 6;
1112 break;
1113 case DESC_RATE54M:
1114 rate_idx = 7;
1115 break;
1116 default:
1117 rate_idx = 0;
1118 break;
1119 }
1120 }
1121 } else {
1122 switch (desc_rate) {
1123 case DESC_RATEMCS0:
1124 rate_idx = 0;
1125 break;
1126 case DESC_RATEMCS1:
1127 rate_idx = 1;
1128 break;
1129 case DESC_RATEMCS2:
1130 rate_idx = 2;
1131 break;
1132 case DESC_RATEMCS3:
1133 rate_idx = 3;
1134 break;
1135 case DESC_RATEMCS4:
1136 rate_idx = 4;
1137 break;
1138 case DESC_RATEMCS5:
1139 rate_idx = 5;
1140 break;
1141 case DESC_RATEMCS6:
1142 rate_idx = 6;
1143 break;
1144 case DESC_RATEMCS7:
1145 rate_idx = 7;
1146 break;
1147 case DESC_RATEMCS8:
1148 rate_idx = 8;
1149 break;
1150 case DESC_RATEMCS9:
1151 rate_idx = 9;
1152 break;
1153 case DESC_RATEMCS10:
1154 rate_idx = 10;
1155 break;
1156 case DESC_RATEMCS11:
1157 rate_idx = 11;
1158 break;
1159 case DESC_RATEMCS12:
1160 rate_idx = 12;
1161 break;
1162 case DESC_RATEMCS13:
1163 rate_idx = 13;
1164 break;
1165 case DESC_RATEMCS14:
1166 rate_idx = 14;
1167 break;
1168 case DESC_RATEMCS15:
1169 rate_idx = 15;
1170 break;
1171 default:
1172 rate_idx = 0;
1173 break;
1174 }
1175 }
1176 return rate_idx;
1177}
1178
1179static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
1180 struct ieee80211_tx_info *info)
1181{
1182 struct rtl_priv *rtlpriv = rtl_priv(hw);
1183 struct ieee80211_tx_rate *r = &info->status.rates[0];
1184 struct ieee80211_rate *txrate;
1185 u8 hw_value = 0x0;
1186
1187 if (r->flags & IEEE80211_TX_RC_MCS) {
1188
1189 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
1190 r->idx;
1191 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
1192
1193 if (ieee80211_rate_get_vht_nss(r) == 2)
1194 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
1195 else
1196 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
1197
1198 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r);
1199 } else {
1200
1201 txrate = ieee80211_get_tx_rate(hw, info);
1202
1203 if (txrate)
1204 hw_value = txrate->hw_value;
1205 }
1206
1207
1208 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
1209 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
1210 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
1211
1212 return hw_value;
1213}
1214
1215void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1216 struct ieee80211_tx_info *info,
1217 struct ieee80211_sta *sta,
1218 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1219{
1220#define SET_RATE_ID(rate_id) \
1221 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
1222 rtl_mrate_idx_to_arfr_id(hw, rate_id, \
1223 (sta_entry ? sta_entry->wireless_mode : \
1224 WIRELESS_MODE_G)) : \
1225 rate_id)
1226
1227 struct rtl_priv *rtlpriv = rtl_priv(hw);
1228 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1229 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1230 struct rtl_sta_info *sta_entry =
1231 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
1232
1233 __le16 fc = rtl_get_fc(skb);
1234
1235 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
1236
1237 if (rtl_is_tx_report_skb(hw, skb))
1238 tcb_desc->use_spe_rpt = 1;
1239
1240 if (ieee80211_is_data(fc)) {
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251 if (info->control.rates[0].idx == 0 ||
1252 ieee80211_is_nullfunc(fc)) {
1253 tcb_desc->use_driver_rate = true;
1254 tcb_desc->ratr_index =
1255 SET_RATE_ID(RATR_INX_WIRELESS_MC);
1256
1257 tcb_desc->disable_ratefallback = 1;
1258 } else {
1259
1260
1261
1262
1263
1264
1265 if (sta && sta->vht_cap.vht_supported) {
1266 tcb_desc->hw_rate =
1267 _rtl_get_vht_highest_n_rate(hw, sta);
1268 } else {
1269 if (sta && sta->ht_cap.ht_supported) {
1270 tcb_desc->hw_rate =
1271 _rtl_get_highest_n_rate(hw, sta);
1272 } else {
1273 if (rtlmac->mode == WIRELESS_MODE_B) {
1274 tcb_desc->hw_rate =
1275 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
1276 } else {
1277 tcb_desc->hw_rate =
1278 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
1279 }
1280 }
1281 }
1282 }
1283
1284 if (is_multicast_ether_addr(hdr->addr1))
1285 tcb_desc->multicast = 1;
1286 else if (is_broadcast_ether_addr(hdr->addr1))
1287 tcb_desc->broadcast = 1;
1288
1289 _rtl_txrate_selectmode(hw, sta, tcb_desc);
1290 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1291 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1292 _rtl_query_shortgi(hw, sta, tcb_desc, info);
1293 _rtl_query_protection_mode(hw, tcb_desc, info);
1294 } else {
1295 tcb_desc->use_driver_rate = true;
1296 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
1297 tcb_desc->disable_ratefallback = 1;
1298 tcb_desc->mac_id = 0;
1299 tcb_desc->packet_bw = false;
1300 }
1301#undef SET_RATE_ID
1302}
1303
1304bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1305{
1306 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1307 struct rtl_priv *rtlpriv = rtl_priv(hw);
1308 __le16 fc = rtl_get_fc(skb);
1309
1310 if (rtlpriv->dm.supp_phymode_switch &&
1311 mac->link_state < MAC80211_LINKED &&
1312 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
1313 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1314 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1315 }
1316 if (ieee80211_is_auth(fc)) {
1317 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1318
1319 mac->link_state = MAC80211_LINKING;
1320
1321 rtlpriv->phy.need_iqk = true;
1322 }
1323 return true;
1324}
1325
1326struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1327 u8 *bssid, u16 tid);
1328
1329static void process_agg_start(struct ieee80211_hw *hw,
1330 struct ieee80211_hdr *hdr, u16 tid)
1331{
1332 struct rtl_priv *rtlpriv = rtl_priv(hw);
1333 struct ieee80211_rx_status rx_status = { 0 };
1334 struct sk_buff *skb_delba = NULL;
1335
1336 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
1337 if (skb_delba) {
1338 rx_status.freq = hw->conf.chandef.chan->center_freq;
1339 rx_status.band = hw->conf.chandef.chan->band;
1340 rx_status.flag |= RX_FLAG_DECRYPTED;
1341 rx_status.flag |= RX_FLAG_MACTIME_START;
1342 rx_status.rate_idx = 0;
1343 rx_status.signal = 50 + 10;
1344 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1345 &rx_status, sizeof(rx_status));
1346 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1347 "fake del\n",
1348 skb_delba->data,
1349 skb_delba->len);
1350 ieee80211_rx_irqsafe(hw, skb_delba);
1351 }
1352}
1353
1354bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1355{
1356 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1357 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1358 struct rtl_priv *rtlpriv = rtl_priv(hw);
1359 __le16 fc = rtl_get_fc(skb);
1360 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1361 u8 category;
1362
1363 if (!ieee80211_is_action(fc))
1364 return true;
1365
1366 category = *act;
1367 act++;
1368 switch (category) {
1369 case ACT_CAT_BA:
1370 switch (*act) {
1371 case ACT_ADDBAREQ:
1372 if (mac->act_scanning)
1373 return false;
1374
1375 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1376 "%s ACT_ADDBAREQ From :%pM\n",
1377 is_tx ? "Tx" : "Rx", hdr->addr2);
1378 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1379 skb->data, skb->len);
1380 if (!is_tx) {
1381 struct ieee80211_sta *sta = NULL;
1382 struct rtl_sta_info *sta_entry = NULL;
1383 struct rtl_tid_data *tid_data;
1384 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1385 u16 capab = 0, tid = 0;
1386
1387 rcu_read_lock();
1388 sta = rtl_find_sta(hw, hdr->addr3);
1389 if (!sta) {
1390 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV,
1391 DBG_DMESG, "sta is NULL\n");
1392 rcu_read_unlock();
1393 return true;
1394 }
1395
1396 sta_entry =
1397 (struct rtl_sta_info *)sta->drv_priv;
1398 if (!sta_entry) {
1399 rcu_read_unlock();
1400 return true;
1401 }
1402 capab =
1403 le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1404 tid = (capab &
1405 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1406 if (tid >= MAX_TID_COUNT) {
1407 rcu_read_unlock();
1408 return true;
1409 }
1410 tid_data = &sta_entry->tids[tid];
1411 if (tid_data->agg.rx_agg_state ==
1412 RTL_RX_AGG_START)
1413 process_agg_start(hw, hdr, tid);
1414 rcu_read_unlock();
1415 }
1416 break;
1417 case ACT_ADDBARSP:
1418 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1419 "%s ACT_ADDBARSP From :%pM\n",
1420 is_tx ? "Tx" : "Rx", hdr->addr2);
1421 break;
1422 case ACT_DELBA:
1423 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1424 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
1425 break;
1426 }
1427 break;
1428 default:
1429 break;
1430 }
1431
1432 return true;
1433}
1434
1435static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
1436 int type)
1437{
1438 struct ieee80211_hw *hw = rtlpriv->hw;
1439
1440 rtlpriv->ra.is_special_data = true;
1441 if (rtlpriv->cfg->ops->get_btc_status())
1442 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1443 rtlpriv, type);
1444 rtl_lps_leave(hw);
1445 ppsc->last_delaylps_stamp_jiffies = jiffies;
1446}
1447
1448static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
1449 struct sk_buff *skb, bool is_enc)
1450{
1451 struct rtl_priv *rtlpriv = rtl_priv(hw);
1452 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1453 u8 encrypt_header_len = 0;
1454 u8 offset;
1455
1456 switch (rtlpriv->sec.pairwise_enc_algorithm) {
1457 case WEP40_ENCRYPTION:
1458 case WEP104_ENCRYPTION:
1459 encrypt_header_len = 4;
1460 break;
1461 case TKIP_ENCRYPTION:
1462 encrypt_header_len = 8;
1463 break;
1464 case AESCCMP_ENCRYPTION:
1465 encrypt_header_len = 8;
1466 break;
1467 default:
1468 break;
1469 }
1470
1471 offset = mac_hdr_len + SNAP_SIZE;
1472 if (is_enc)
1473 offset += encrypt_header_len;
1474
1475 return skb->data + offset;
1476}
1477
1478
1479u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
1480 bool is_enc)
1481{
1482 struct rtl_priv *rtlpriv = rtl_priv(hw);
1483 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1484 __le16 fc = rtl_get_fc(skb);
1485 u16 ether_type;
1486 const u8 *ether_type_ptr;
1487 const struct iphdr *ip;
1488
1489 if (!ieee80211_is_data(fc))
1490 goto end;
1491
1492 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
1493 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1494
1495 if (ether_type == ETH_P_IP) {
1496 ip = (struct iphdr *)((u8 *)ether_type_ptr +
1497 PROTOC_TYPE_SIZE);
1498 if (ip->protocol == IPPROTO_UDP) {
1499 struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1500 (ip->ihl << 2));
1501 if (((((u8 *)udp)[1] == 68) &&
1502 (((u8 *)udp)[3] == 67)) ||
1503 ((((u8 *)udp)[1] == 67) &&
1504 (((u8 *)udp)[3] == 68))) {
1505
1506
1507
1508 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
1509 DBG_DMESG, "dhcp %s !!\n",
1510 (is_tx) ? "Tx" : "Rx");
1511
1512 if (is_tx)
1513 setup_special_tx(rtlpriv, ppsc,
1514 PACKET_DHCP);
1515
1516 return true;
1517 }
1518 }
1519 } else if (ether_type == ETH_P_ARP) {
1520 if (is_tx)
1521 setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
1522
1523 return true;
1524 } else if (ether_type == ETH_P_PAE) {
1525
1526 rtlpriv->btcoexist.btc_info.in_4way = true;
1527 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1528 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1529
1530 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1531 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1532
1533 if (is_tx) {
1534 rtlpriv->ra.is_special_data = true;
1535 rtl_lps_leave(hw);
1536 ppsc->last_delaylps_stamp_jiffies = jiffies;
1537
1538 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
1539 }
1540
1541 return true;
1542 } else if (ether_type == ETH_P_IPV6) {
1543
1544
1545
1546 goto end;
1547 }
1548
1549end:
1550 rtlpriv->ra.is_special_data = false;
1551 return false;
1552}
1553
1554bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
1555{
1556 u16 ether_type;
1557 const u8 *ether_type_ptr;
1558
1559 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
1560 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1561
1562
1563 if (ether_type == ETH_P_PAE)
1564 return true;
1565
1566 return false;
1567}
1568
1569static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw)
1570{
1571 struct rtl_priv *rtlpriv = rtl_priv(hw);
1572 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1573 u16 sn;
1574
1575
1576
1577
1578
1579
1580 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2;
1581
1582 tx_report->last_sent_sn = sn;
1583 tx_report->last_sent_time = jiffies;
1584
1585 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1586 "Send TX-Report sn=0x%X\n", sn);
1587
1588 return sn;
1589}
1590
1591void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
1592 struct ieee80211_hw *hw)
1593{
1594 if (ptcb_desc->use_spe_rpt) {
1595 u16 sn = rtl_get_tx_report_sn(hw);
1596
1597 SET_TX_DESC_SPE_RPT(pdesc, 1);
1598 SET_TX_DESC_SW_DEFINE(pdesc, sn);
1599 }
1600}
1601
1602void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
1603{
1604 struct rtl_priv *rtlpriv = rtl_priv(hw);
1605 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1606 u16 sn;
1607 u8 st, retry;
1608
1609 if (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_FW_C2H) {
1610 sn = tmp_buf[6];
1611 st = tmp_buf[7] & 0xC0;
1612 retry = tmp_buf[8] & 0x3F;
1613 } else {
1614 sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6];
1615 st = tmp_buf[0] & 0xC0;
1616 retry = tmp_buf[2] & 0x3F;
1617 }
1618
1619 tx_report->last_recv_sn = sn;
1620
1621 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1622 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
1623 st, sn, retry);
1624}
1625
1626bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
1627{
1628 struct rtl_priv *rtlpriv = rtl_priv(hw);
1629 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1630
1631 if (tx_report->last_sent_sn == tx_report->last_recv_sn)
1632 return true;
1633
1634 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
1635 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
1636 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
1637 tx_report->last_sent_sn, tx_report->last_recv_sn);
1638 return true;
1639 }
1640
1641 return false;
1642}
1643
1644void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
1645{
1646 struct rtl_priv *rtlpriv = rtl_priv(hw);
1647 int i;
1648
1649 for (i = 0; i < wait_ms; i++) {
1650 if (rtl_check_tx_report_acked(hw))
1651 break;
1652 usleep_range(1000, 2000);
1653 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1654 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
1655 }
1656}
1657
1658u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
1659 struct ieee80211_vif *vif,
1660 enum wireless_mode wirelessmode,
1661 struct ieee80211_tx_queue_params *param)
1662{
1663 u32 reg = 0;
1664 u8 sifstime = 10;
1665 u8 slottime = 20;
1666
1667
1668 switch (wirelessmode) {
1669 case WIRELESS_MODE_A:
1670 case WIRELESS_MODE_N_24G:
1671 case WIRELESS_MODE_N_5G:
1672 case WIRELESS_MODE_AC_5G:
1673 case WIRELESS_MODE_AC_24G:
1674 sifstime = 16;
1675 slottime = 9;
1676 break;
1677 case WIRELESS_MODE_G:
1678 slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
1679 break;
1680 default:
1681 break;
1682 }
1683
1684 reg |= (param->txop & 0x7FF) << 16;
1685 reg |= (fls(param->cw_max) & 0xF) << 12;
1686 reg |= (fls(param->cw_min) & 0xF) << 8;
1687 reg |= (param->aifs & 0x0F) * slottime + sifstime;
1688
1689 return reg;
1690}
1691
1692
1693
1694
1695
1696
1697int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1698 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1699{
1700 struct rtl_priv *rtlpriv = rtl_priv(hw);
1701 struct rtl_tid_data *tid_data;
1702 struct rtl_sta_info *sta_entry = NULL;
1703
1704 if (!sta)
1705 return -EINVAL;
1706
1707 if (unlikely(tid >= MAX_TID_COUNT))
1708 return -EINVAL;
1709
1710 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1711 if (!sta_entry)
1712 return -ENXIO;
1713 tid_data = &sta_entry->tids[tid];
1714
1715 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1716 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1717 tid_data->seq_number);
1718
1719 *ssn = tid_data->seq_number;
1720 tid_data->agg.agg_state = RTL_AGG_START;
1721
1722 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1723 return 0;
1724}
1725
1726int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1727 struct ieee80211_sta *sta, u16 tid)
1728{
1729 struct rtl_priv *rtlpriv = rtl_priv(hw);
1730 struct rtl_tid_data *tid_data;
1731 struct rtl_sta_info *sta_entry = NULL;
1732
1733 if (!sta)
1734 return -EINVAL;
1735
1736 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1737 "on ra = %pM tid = %d\n", sta->addr, tid);
1738
1739 if (unlikely(tid >= MAX_TID_COUNT))
1740 return -EINVAL;
1741
1742 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1743 tid_data = &sta_entry->tids[tid];
1744 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1745
1746 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1747 return 0;
1748}
1749
1750int rtl_rx_agg_start(struct ieee80211_hw *hw,
1751 struct ieee80211_sta *sta, u16 tid)
1752{
1753 struct rtl_priv *rtlpriv = rtl_priv(hw);
1754 struct rtl_tid_data *tid_data;
1755 struct rtl_sta_info *sta_entry = NULL;
1756 u8 reject_agg;
1757
1758 if (!sta)
1759 return -EINVAL;
1760
1761 if (unlikely(tid >= MAX_TID_COUNT))
1762 return -EINVAL;
1763
1764 if (rtlpriv->cfg->ops->get_btc_status()) {
1765 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
1766 &reject_agg,
1767 NULL, NULL);
1768 if (reject_agg)
1769 return -EINVAL;
1770 }
1771
1772 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1773 if (!sta_entry)
1774 return -ENXIO;
1775 tid_data = &sta_entry->tids[tid];
1776
1777 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
1778 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1779 tid_data->seq_number);
1780
1781 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1782 return 0;
1783}
1784
1785int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1786 struct ieee80211_sta *sta, u16 tid)
1787{
1788 struct rtl_priv *rtlpriv = rtl_priv(hw);
1789 struct rtl_sta_info *sta_entry = NULL;
1790
1791 if (!sta)
1792 return -EINVAL;
1793
1794 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1795 "on ra = %pM tid = %d\n", sta->addr, tid);
1796
1797 if (unlikely(tid >= MAX_TID_COUNT))
1798 return -EINVAL;
1799
1800 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1801 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1802
1803 return 0;
1804}
1805
1806int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1807 struct ieee80211_sta *sta, u16 tid)
1808{
1809 struct rtl_priv *rtlpriv = rtl_priv(hw);
1810 struct rtl_sta_info *sta_entry = NULL;
1811
1812 if (!sta)
1813 return -EINVAL;
1814
1815 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1816 "on ra = %pM tid = %d\n", sta->addr, tid);
1817
1818 if (unlikely(tid >= MAX_TID_COUNT))
1819 return -EINVAL;
1820
1821 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1822 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1823
1824 return 0;
1825}
1826
1827void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
1828{
1829 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
1830 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
1831
1832 if (rtlpriv->cfg->ops->get_btc_status())
1833 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
1834 &ctrl_agg_size, &agg_size);
1835
1836 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
1837 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
1838 reject_agg, ctrl_agg_size, agg_size);
1839
1840 rtlpriv->hw->max_rx_aggregation_subframes =
1841 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF);
1842}
1843
1844
1845
1846
1847
1848
1849
1850void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1851{
1852 struct rtl_priv *rtlpriv = rtl_priv(hw);
1853 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1854
1855 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1856 return;
1857
1858 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1859 return;
1860
1861
1862 if (!ieee80211_is_beacon(hdr->frame_control) &&
1863 !ieee80211_is_probe_resp(hdr->frame_control))
1864 return;
1865
1866
1867 if (skb->len <= 40 + FCS_LEN)
1868 return;
1869
1870
1871 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1872 return;
1873
1874 rtlpriv->link_info.bcn_rx_inperiod++;
1875}
1876
1877static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
1878{
1879 struct rtl_priv *rtlpriv = rtl_priv(hw);
1880 struct rtl_bssid_entry *entry, *next;
1881
1882 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1883 list_del(&entry->list);
1884 kfree(entry);
1885 rtlpriv->scan_list.num--;
1886 }
1887}
1888
1889void rtl_scan_list_expire(struct ieee80211_hw *hw)
1890{
1891 struct rtl_priv *rtlpriv = rtl_priv(hw);
1892 struct rtl_bssid_entry *entry, *next;
1893 unsigned long flags;
1894
1895 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1896
1897 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1898
1899 if (jiffies_to_msecs(jiffies - entry->age) < 180000)
1900 continue;
1901
1902 list_del(&entry->list);
1903 rtlpriv->scan_list.num--;
1904
1905 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1906 "BSSID=%pM is expire in scan list (total=%d)\n",
1907 entry->bssid, rtlpriv->scan_list.num);
1908 kfree(entry);
1909 }
1910
1911 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1912
1913 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1914}
1915
1916void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
1917{
1918 struct rtl_priv *rtlpriv = rtl_priv(hw);
1919 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1920 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1921 unsigned long flags;
1922
1923 struct rtl_bssid_entry *entry;
1924 bool entry_found = false;
1925
1926
1927 if (!mac->act_scanning)
1928 return;
1929
1930
1931 if (!ieee80211_is_beacon(hdr->frame_control) &&
1932 !ieee80211_is_probe_resp(hdr->frame_control))
1933 return;
1934
1935 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1936
1937 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) {
1938 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) {
1939 list_del_init(&entry->list);
1940 entry_found = true;
1941 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1942 "Update BSSID=%pM to scan list (total=%d)\n",
1943 hdr->addr3, rtlpriv->scan_list.num);
1944 break;
1945 }
1946 }
1947
1948 if (!entry_found) {
1949 entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
1950
1951 if (!entry)
1952 goto label_err;
1953
1954 memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
1955 rtlpriv->scan_list.num++;
1956
1957 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1958 "Add BSSID=%pM to scan list (total=%d)\n",
1959 hdr->addr3, rtlpriv->scan_list.num);
1960 }
1961
1962 entry->age = jiffies;
1963
1964 list_add_tail(&entry->list, &rtlpriv->scan_list.list);
1965
1966label_err:
1967 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1968}
1969
1970void rtl_watchdog_wq_callback(void *data)
1971{
1972 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1973 struct rtl_works,
1974 watchdog_wq);
1975 struct ieee80211_hw *hw = rtlworks->hw;
1976 struct rtl_priv *rtlpriv = rtl_priv(hw);
1977 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1978 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1979 bool busytraffic = false;
1980 bool tx_busy_traffic = false;
1981 bool rx_busy_traffic = false;
1982 bool higher_busytraffic = false;
1983 bool higher_busyrxtraffic = false;
1984 u8 idx, tid;
1985 u32 rx_cnt_inp4eriod = 0;
1986 u32 tx_cnt_inp4eriod = 0;
1987 u32 aver_rx_cnt_inperiod = 0;
1988 u32 aver_tx_cnt_inperiod = 0;
1989 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1990 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1991
1992 if (is_hal_stop(rtlhal))
1993 return;
1994
1995
1996 if (mac->link_state > MAC80211_NOLINK) {
1997 if (mac->cnt_after_linked < 20)
1998 mac->cnt_after_linked++;
1999 } else {
2000 mac->cnt_after_linked = 0;
2001 }
2002
2003
2004
2005
2006 if (mac->link_state >= MAC80211_LINKED) {
2007
2008 for (idx = 0; idx <= 2; idx++) {
2009 rtlpriv->link_info.num_rx_in4period[idx] =
2010 rtlpriv->link_info.num_rx_in4period[idx + 1];
2011 rtlpriv->link_info.num_tx_in4period[idx] =
2012 rtlpriv->link_info.num_tx_in4period[idx + 1];
2013 }
2014 rtlpriv->link_info.num_rx_in4period[3] =
2015 rtlpriv->link_info.num_rx_inperiod;
2016 rtlpriv->link_info.num_tx_in4period[3] =
2017 rtlpriv->link_info.num_tx_inperiod;
2018 for (idx = 0; idx <= 3; idx++) {
2019 rx_cnt_inp4eriod +=
2020 rtlpriv->link_info.num_rx_in4period[idx];
2021 tx_cnt_inp4eriod +=
2022 rtlpriv->link_info.num_tx_in4period[idx];
2023 }
2024 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
2025 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
2026
2027
2028 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
2029 busytraffic = true;
2030 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
2031 rx_busy_traffic = true;
2032 else
2033 tx_busy_traffic = false;
2034 }
2035
2036
2037 if (aver_rx_cnt_inperiod > 4000 ||
2038 aver_tx_cnt_inperiod > 4000) {
2039 higher_busytraffic = true;
2040
2041
2042 if (aver_rx_cnt_inperiod > 5000)
2043 higher_busyrxtraffic = true;
2044 }
2045
2046
2047 for (tid = 0; tid <= 7; tid++) {
2048 for (idx = 0; idx <= 2; idx++)
2049 rtlpriv->link_info.tidtx_in4period[tid][idx] =
2050 rtlpriv->link_info.tidtx_in4period[tid]
2051 [idx + 1];
2052 rtlpriv->link_info.tidtx_in4period[tid][3] =
2053 rtlpriv->link_info.tidtx_inperiod[tid];
2054
2055 for (idx = 0; idx <= 3; idx++)
2056 tidtx_inp4eriod[tid] +=
2057 rtlpriv->link_info.tidtx_in4period[tid][idx];
2058 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
2059 if (aver_tidtx_inperiod[tid] > 5000)
2060 rtlpriv->link_info.higher_busytxtraffic[tid] =
2061 true;
2062 else
2063 rtlpriv->link_info.higher_busytxtraffic[tid] =
2064 false;
2065 }
2066
2067
2068 if (rtlpriv->cfg->ops->get_btc_status() &&
2069 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
2070 goto label_lps_done;
2071
2072 if (rtlpriv->link_info.num_rx_inperiod +
2073 rtlpriv->link_info.num_tx_inperiod > 8 ||
2074 rtlpriv->link_info.num_rx_inperiod > 2)
2075 rtl_lps_leave(hw);
2076 else
2077 rtl_lps_enter(hw);
2078
2079label_lps_done:
2080 ;
2081 }
2082
2083 rtlpriv->link_info.num_rx_inperiod = 0;
2084 rtlpriv->link_info.num_tx_inperiod = 0;
2085 for (tid = 0; tid <= 7; tid++)
2086 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
2087
2088 rtlpriv->link_info.busytraffic = busytraffic;
2089 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
2090 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
2091 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
2092 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
2093
2094 rtlpriv->stats.txbytesunicast_inperiod =
2095 rtlpriv->stats.txbytesunicast -
2096 rtlpriv->stats.txbytesunicast_last;
2097 rtlpriv->stats.rxbytesunicast_inperiod =
2098 rtlpriv->stats.rxbytesunicast -
2099 rtlpriv->stats.rxbytesunicast_last;
2100 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
2101 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
2102
2103 rtlpriv->stats.txbytesunicast_inperiod_tp =
2104 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
2105 1024 / 1024);
2106 rtlpriv->stats.rxbytesunicast_inperiod_tp =
2107 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
2108 1024 / 1024);
2109
2110
2111 if (!rtlpriv->cfg->mod_params->disable_watchdog)
2112 rtlpriv->cfg->ops->dm_watchdog(hw);
2113
2114
2115 if (mac->link_state == MAC80211_LINKED &&
2116 mac->opmode == NL80211_IFTYPE_STATION) {
2117 if ((rtlpriv->link_info.bcn_rx_inperiod +
2118 rtlpriv->link_info.num_rx_inperiod) == 0) {
2119 rtlpriv->link_info.roam_times++;
2120 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
2121 "AP off for %d s\n",
2122 (rtlpriv->link_info.roam_times * 2));
2123
2124
2125
2126
2127 if (rtlpriv->link_info.roam_times >= 5) {
2128 pr_err("AP off, try to reconnect now\n");
2129 rtlpriv->link_info.roam_times = 0;
2130 ieee80211_connection_loss(
2131 rtlpriv->mac80211.vif);
2132 }
2133 } else {
2134 rtlpriv->link_info.roam_times = 0;
2135 }
2136 }
2137
2138 if (rtlpriv->cfg->ops->get_btc_status())
2139 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
2140
2141 if (rtlpriv->btcoexist.btc_info.in_4way) {
2142 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
2143 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
2144 rtlpriv->btcoexist.btc_info.in_4way = false;
2145 }
2146
2147 rtlpriv->link_info.bcn_rx_inperiod = 0;
2148
2149
2150 rtl_scan_list_expire(hw);
2151}
2152
2153void rtl_watch_dog_timer_callback(struct timer_list *t)
2154{
2155 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
2156
2157 queue_delayed_work(rtlpriv->works.rtl_wq,
2158 &rtlpriv->works.watchdog_wq, 0);
2159
2160 mod_timer(&rtlpriv->works.watchdog_timer,
2161 jiffies + MSECS(RTL_WATCH_DOG_TIME));
2162}
2163
2164void rtl_fwevt_wq_callback(void *data)
2165{
2166 struct rtl_works *rtlworks =
2167 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
2168 struct ieee80211_hw *hw = rtlworks->hw;
2169 struct rtl_priv *rtlpriv = rtl_priv(hw);
2170
2171 rtlpriv->cfg->ops->c2h_command_handle(hw);
2172}
2173
2174void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val)
2175{
2176 struct rtl_priv *rtlpriv = rtl_priv(hw);
2177 unsigned long flags;
2178 struct rtl_c2hcmd *c2hcmd;
2179
2180 c2hcmd = kmalloc(sizeof(*c2hcmd),
2181 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
2182
2183 if (!c2hcmd)
2184 goto label_err;
2185
2186 c2hcmd->val = kmalloc(len,
2187 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
2188
2189 if (!c2hcmd->val)
2190 goto label_err2;
2191
2192
2193 c2hcmd->tag = tag;
2194 c2hcmd->len = len;
2195 memcpy(c2hcmd->val, val, len);
2196
2197
2198 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2199
2200 list_add_tail(&c2hcmd->list, &rtlpriv->c2hcmd_list);
2201
2202 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2203
2204
2205 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0);
2206
2207 return;
2208
2209label_err2:
2210 kfree(c2hcmd);
2211
2212label_err:
2213 RT_TRACE(rtlpriv, COMP_CMD, DBG_WARNING,
2214 "C2H cmd enqueue fail.\n");
2215}
2216
2217void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
2218{
2219 struct rtl_priv *rtlpriv = rtl_priv(hw);
2220 unsigned long flags;
2221 struct rtl_c2hcmd *c2hcmd;
2222 int i;
2223
2224 for (i = 0; i < 200; i++) {
2225
2226 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2227
2228 c2hcmd = list_first_entry_or_null(&rtlpriv->c2hcmd_list,
2229 struct rtl_c2hcmd, list);
2230
2231 if (c2hcmd)
2232 list_del(&c2hcmd->list);
2233
2234 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2235
2236
2237 if (!c2hcmd)
2238 break;
2239
2240 if (rtlpriv->cfg->ops->c2h_content_parsing && exec)
2241 rtlpriv->cfg->ops->c2h_content_parsing(hw,
2242 c2hcmd->tag, c2hcmd->len, c2hcmd->val);
2243
2244
2245 kfree(c2hcmd->val);
2246
2247 kfree(c2hcmd);
2248 }
2249}
2250
2251void rtl_c2hcmd_wq_callback(void *data)
2252{
2253 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
2254 struct rtl_works,
2255 c2hcmd_wq);
2256 struct ieee80211_hw *hw = rtlworks->hw;
2257
2258 rtl_c2hcmd_launcher(hw, 1);
2259}
2260
2261void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t)
2262{
2263 struct rtl_priv *rtlpriv =
2264 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer);
2265 struct ieee80211_hw *hw = rtlpriv->hw;
2266 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
2267
2268 if (!buddy_priv)
2269 return;
2270
2271 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
2272}
2273
2274
2275
2276
2277
2278
2279u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
2280{
2281 struct ieee80211_mgmt *mgmt = (void *)data;
2282 u8 *pos, *end;
2283
2284 pos = (u8 *)mgmt->u.beacon.variable;
2285 end = data + len;
2286 while (pos < end) {
2287 if (pos + 2 + pos[1] > end)
2288 return NULL;
2289
2290 if (pos[0] == ie)
2291 return pos;
2292
2293 pos += 2 + pos[1];
2294 }
2295 return NULL;
2296}
2297
2298
2299
2300static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
2301 enum ieee80211_smps_mode smps,
2302 u8 *da, u8 *bssid)
2303{
2304 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2305 struct sk_buff *skb;
2306 struct ieee80211_mgmt *action_frame;
2307
2308
2309 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
2310 if (!skb)
2311 return NULL;
2312
2313 skb_reserve(skb, hw->extra_tx_headroom);
2314 action_frame = skb_put_zero(skb, 27);
2315 memcpy(action_frame->da, da, ETH_ALEN);
2316 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
2317 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2318 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2319 IEEE80211_STYPE_ACTION);
2320 action_frame->u.action.category = WLAN_CATEGORY_HT;
2321 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
2322 switch (smps) {
2323 case IEEE80211_SMPS_AUTOMATIC:
2324 case IEEE80211_SMPS_NUM_MODES:
2325 WARN_ON(1);
2326
2327 case IEEE80211_SMPS_OFF:
2328 action_frame->u.action.u.ht_smps.smps_control =
2329 WLAN_HT_SMPS_CONTROL_DISABLED;
2330 break;
2331 case IEEE80211_SMPS_STATIC:
2332 action_frame->u.action.u.ht_smps.smps_control =
2333 WLAN_HT_SMPS_CONTROL_STATIC;
2334 break;
2335 case IEEE80211_SMPS_DYNAMIC:
2336 action_frame->u.action.u.ht_smps.smps_control =
2337 WLAN_HT_SMPS_CONTROL_DYNAMIC;
2338 break;
2339 }
2340
2341 return skb;
2342}
2343
2344int rtl_send_smps_action(struct ieee80211_hw *hw,
2345 struct ieee80211_sta *sta,
2346 enum ieee80211_smps_mode smps)
2347{
2348 struct rtl_priv *rtlpriv = rtl_priv(hw);
2349 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2350 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2351 struct sk_buff *skb = NULL;
2352 struct rtl_tcb_desc tcb_desc;
2353 u8 bssid[ETH_ALEN] = {0};
2354
2355 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
2356
2357 if (rtlpriv->mac80211.act_scanning)
2358 goto err_free;
2359
2360 if (!sta)
2361 goto err_free;
2362
2363 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
2364 goto err_free;
2365
2366 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
2367 goto err_free;
2368
2369 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
2370 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
2371 else
2372 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
2373
2374 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
2375
2376 if (skb) {
2377 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2378 struct rtl_sta_info *sta_entry =
2379 (struct rtl_sta_info *)sta->drv_priv;
2380 sta_entry->mimo_ps = smps;
2381
2382
2383 info->control.rates[0].idx = 0;
2384 info->band = hw->conf.chandef.chan->band;
2385 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
2386 }
2387 return 1;
2388
2389err_free:
2390 return 0;
2391}
2392
2393void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
2394{
2395 struct rtl_priv *rtlpriv = rtl_priv(hw);
2396 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2397 enum io_type iotype;
2398
2399 if (!is_hal_stop(rtlhal)) {
2400 switch (operation) {
2401 case SCAN_OPT_BACKUP:
2402 iotype = IO_CMD_PAUSE_DM_BY_SCAN;
2403 rtlpriv->cfg->ops->set_hw_reg(hw,
2404 HW_VAR_IO_CMD,
2405 (u8 *)&iotype);
2406 break;
2407 case SCAN_OPT_RESTORE:
2408 iotype = IO_CMD_RESUME_DM_BY_SCAN;
2409 rtlpriv->cfg->ops->set_hw_reg(hw,
2410 HW_VAR_IO_CMD,
2411 (u8 *)&iotype);
2412 break;
2413 default:
2414 pr_err("Unknown Scan Backup operation.\n");
2415 break;
2416 }
2417 }
2418}
2419
2420
2421
2422
2423
2424
2425struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
2426 u8 *sa, u8 *bssid, u16 tid)
2427{
2428 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2429 struct sk_buff *skb;
2430 struct ieee80211_mgmt *action_frame;
2431 u16 params;
2432
2433
2434 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
2435 if (!skb)
2436 return NULL;
2437
2438 skb_reserve(skb, hw->extra_tx_headroom);
2439 action_frame = skb_put_zero(skb, 34);
2440 memcpy(action_frame->sa, sa, ETH_ALEN);
2441 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
2442 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2443 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2444 IEEE80211_STYPE_ACTION);
2445 action_frame->u.action.category = WLAN_CATEGORY_BACK;
2446 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
2447 params = (u16)(1 << 11);
2448 params |= (u16)(tid << 12);
2449
2450 action_frame->u.action.u.delba.params = cpu_to_le16(params);
2451 action_frame->u.action.u.delba.reason_code =
2452 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
2453
2454 return skb;
2455}
2456
2457bool rtl_check_beacon_key(struct ieee80211_hw *hw, void *data, unsigned int len)
2458{
2459 struct rtl_priv *rtlpriv = rtl_priv(hw);
2460 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2461 struct rtl_phy *rtlphy = &rtlpriv->phy;
2462 struct ieee80211_hdr *hdr = data;
2463 struct ieee80211_ht_cap *ht_cap_ie;
2464 struct ieee80211_ht_operation *ht_oper_ie = NULL;
2465 struct rtl_beacon_keys bcn_key = {};
2466 struct rtl_beacon_keys *cur_bcn_key;
2467 u8 *ht_cap;
2468 u8 ht_cap_len;
2469 u8 *ht_oper;
2470 u8 ht_oper_len;
2471 u8 *ds_param;
2472 u8 ds_param_len;
2473
2474 if (mac->opmode != NL80211_IFTYPE_STATION)
2475 return false;
2476
2477
2478 if (!ieee80211_is_beacon(hdr->frame_control))
2479 return false;
2480
2481
2482 if (len <= 40 + FCS_LEN)
2483 return false;
2484
2485 cur_bcn_key = &mac->cur_beacon_keys;
2486
2487 if (rtlpriv->mac80211.link_state == MAC80211_NOLINK) {
2488 if (cur_bcn_key->valid) {
2489 cur_bcn_key->valid = false;
2490 RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
2491 "Reset cur_beacon_keys.valid to false!\n");
2492 }
2493 return false;
2494 }
2495
2496
2497 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
2498 return false;
2499
2500
2501 ds_param = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_DS_PARAMS);
2502
2503 if (ds_param && !(ds_param[1] < sizeof(*ds_param))) {
2504 ds_param_len = ds_param[1];
2505 bcn_key.bcn_channel = ds_param[2];
2506 } else {
2507 ds_param = NULL;
2508 }
2509
2510
2511 ht_cap = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_HT_CAPABILITY);
2512
2513 if (ht_cap && !(ht_cap[1] < sizeof(*ht_cap))) {
2514 ht_cap_len = ht_cap[1];
2515 ht_cap_ie = (struct ieee80211_ht_cap *)&ht_cap[2];
2516 bcn_key.ht_cap_info = ht_cap_ie->cap_info;
2517 } else {
2518 ht_cap = NULL;
2519 }
2520
2521
2522 ht_oper = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_HT_OPERATION);
2523
2524 if (ht_oper && !(ht_oper[1] < sizeof(*ht_oper))) {
2525 ht_oper_len = ht_oper[1];
2526 ht_oper_ie = (struct ieee80211_ht_operation *)&ht_oper[2];
2527 } else {
2528 ht_oper = NULL;
2529 }
2530
2531
2532
2533 if (!ds_param && ht_oper && ht_oper_ie)
2534 bcn_key.bcn_channel = ht_oper_ie->primary_chan;
2535
2536 if (ht_oper && ht_oper_ie)
2537 bcn_key.ht_info_infos_0_sco = ht_oper_ie->ht_param & 0x03;
2538
2539 bcn_key.valid = true;
2540
2541
2542 if (rtlpriv->mac80211.link_state != MAC80211_LINKED &&
2543 rtlpriv->mac80211.link_state != MAC80211_LINKED_SCANNING)
2544 return true;
2545
2546 if (!cur_bcn_key->valid) {
2547
2548 memcpy(cur_bcn_key, &bcn_key, sizeof(bcn_key));
2549 cur_bcn_key->valid = true;
2550
2551 RT_TRACE(rtlpriv, COMP_BEACON, DBG_LOUD,
2552 "Beacon key update!ch=%d, ht_cap_info=0x%x, sco=0x%x\n",
2553 cur_bcn_key->bcn_channel,
2554 cur_bcn_key->ht_cap_info,
2555 cur_bcn_key->ht_info_infos_0_sco);
2556 return true;
2557 }
2558
2559
2560 if (!memcmp(cur_bcn_key, &bcn_key, sizeof(bcn_key))) {
2561
2562 mac->new_beacon_cnt = 0;
2563 goto chk_exit;
2564 }
2565
2566 if (cur_bcn_key->bcn_channel == bcn_key.bcn_channel &&
2567 cur_bcn_key->ht_cap_info == bcn_key.ht_cap_info) {
2568
2569
2570 if (cur_bcn_key->ht_info_infos_0_sco >
2571 bcn_key.ht_info_infos_0_sco) {
2572
2573 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2574 "Beacon BW change! sco:0x%x -> 0x%x\n",
2575 cur_bcn_key->ht_info_infos_0_sco,
2576 bcn_key.ht_info_infos_0_sco);
2577
2578 cur_bcn_key->ht_info_infos_0_sco =
2579 bcn_key.ht_info_infos_0_sco;
2580 } else {
2581
2582 if (rtlphy->max_ht_chan_bw >= HT_CHANNEL_WIDTH_20_40) {
2583
2584 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2585 "Beacon BW change! sco:0x%x -> 0x%x\n",
2586 cur_bcn_key->ht_info_infos_0_sco,
2587 bcn_key.ht_info_infos_0_sco);
2588
2589 cur_bcn_key->ht_info_infos_0_sco =
2590 bcn_key.ht_info_infos_0_sco;
2591 } else {
2592 mac->new_beacon_cnt++;
2593 }
2594 }
2595 } else {
2596 mac->new_beacon_cnt++;
2597 }
2598
2599 if (mac->new_beacon_cnt == 1) {
2600 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2601 "Get new beacon.\n");
2602 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2603 "Cur : ch=%d, ht_cap=0x%x, sco=0x%x\n",
2604 cur_bcn_key->bcn_channel,
2605 cur_bcn_key->ht_cap_info,
2606 cur_bcn_key->ht_info_infos_0_sco);
2607 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2608 "New RX : ch=%d, ht_cap=0x%x, sco=0x%x\n",
2609 bcn_key.bcn_channel,
2610 bcn_key.ht_cap_info,
2611 bcn_key.ht_info_infos_0_sco);
2612
2613 } else if (mac->new_beacon_cnt > 1) {
2614 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2615 "new beacon cnt: %d\n",
2616 mac->new_beacon_cnt);
2617 }
2618
2619 if (mac->new_beacon_cnt > 3) {
2620 ieee80211_connection_loss(rtlpriv->mac80211.vif);
2621 RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
2622 "new beacon cnt >3, disconnect !\n");
2623 }
2624
2625chk_exit:
2626
2627 return true;
2628}
2629
2630
2631
2632
2633
2634
2635static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
2636 struct octet_string vendor_ie)
2637{
2638 struct rtl_priv *rtlpriv = rtl_priv(hw);
2639 bool matched = false;
2640 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
2641 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
2642 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
2643 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
2644 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
2645 static u8 racap[] = { 0x00, 0x0c, 0x43 };
2646 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
2647 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
2648
2649 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
2650 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
2651 rtlpriv->mac80211.vendor = PEER_ATH;
2652 matched = true;
2653 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
2654 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
2655 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
2656 rtlpriv->mac80211.vendor = PEER_BROAD;
2657 matched = true;
2658 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
2659 rtlpriv->mac80211.vendor = PEER_RAL;
2660 matched = true;
2661 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
2662 rtlpriv->mac80211.vendor = PEER_CISCO;
2663 matched = true;
2664 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
2665 rtlpriv->mac80211.vendor = PEER_MARV;
2666 matched = true;
2667 }
2668
2669 return matched;
2670}
2671
2672static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
2673 unsigned int len)
2674{
2675 struct ieee80211_mgmt *mgmt = (void *)data;
2676 struct octet_string vendor_ie;
2677 u8 *pos, *end;
2678
2679 pos = (u8 *)mgmt->u.beacon.variable;
2680 end = data + len;
2681 while (pos < end) {
2682 if (pos[0] == 221) {
2683 vendor_ie.length = pos[1];
2684 vendor_ie.octet = &pos[2];
2685 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
2686 return true;
2687 }
2688
2689 if (pos + 2 + pos[1] > end)
2690 return false;
2691
2692 pos += 2 + pos[1];
2693 }
2694 return false;
2695}
2696
2697void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
2698{
2699 struct rtl_priv *rtlpriv = rtl_priv(hw);
2700 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2701 struct ieee80211_hdr *hdr = (void *)data;
2702 u32 vendor = PEER_UNKNOWN;
2703
2704 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2705 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2706 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2707 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2708 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2709 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2710 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2711 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2712 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2713 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2714 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2715 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2716 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2717 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2718 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2719 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2720
2721 if (mac->opmode != NL80211_IFTYPE_STATION)
2722 return;
2723
2724 if (mac->link_state == MAC80211_NOLINK) {
2725 mac->vendor = PEER_UNKNOWN;
2726 return;
2727 }
2728
2729 if (mac->cnt_after_linked > 2)
2730 return;
2731
2732
2733 if (!ieee80211_is_beacon(hdr->frame_control))
2734 return;
2735
2736
2737 if (len <= 40 + FCS_LEN)
2738 return;
2739
2740
2741 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
2742 return;
2743
2744 if (rtl_find_221_ie(hw, data, len))
2745 vendor = mac->vendor;
2746
2747 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
2748 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
2749 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
2750 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
2751 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
2752 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
2753 vendor == PEER_ATH) {
2754 vendor = PEER_ATH;
2755 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2756 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
2757 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
2758 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
2759 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
2760 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
2761 vendor == PEER_RAL) {
2762 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2763 vendor = PEER_RAL;
2764 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
2765 vendor == PEER_CISCO) {
2766 vendor = PEER_CISCO;
2767 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2768 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
2769 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
2770 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
2771 vendor == PEER_BROAD) {
2772 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2773 vendor = PEER_BROAD;
2774 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
2775 vendor == PEER_MARV) {
2776 vendor = PEER_MARV;
2777 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2778 }
2779
2780 mac->vendor = vendor;
2781}
2782
2783MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
2784MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
2785MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
2786MODULE_LICENSE("GPL");
2787MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2788
2789struct rtl_global_var rtl_global_var = {};
2790
2791int rtl_core_module_init(void)
2792{
2793 if (rtl_rate_control_register())
2794 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2795
2796
2797 rtl_debugfs_add_topdir();
2798
2799
2800 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
2801 spin_lock_init(&rtl_global_var.glb_list_lock);
2802
2803 return 0;
2804}
2805
2806void rtl_core_module_exit(void)
2807{
2808
2809 rtl_rate_control_unregister();
2810
2811
2812 rtl_debugfs_remove_topdir();
2813}
2814
