-
Notifications
You must be signed in to change notification settings - Fork 109
/
base.c
executable file
·1832 lines (1557 loc) · 52.6 KB
/
base.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
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
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/******************************************************************************
*
* Copyright( c ) 2009-2010 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include <linux/ip.h>
#include <linux/module.h>
#include "wifi.h"
#include "rc.h"
#include "base.h"
#include "efuse.h"
#include "cam.h"
#include "ps.h"
#include "regd.h"
#include "pci.h"
/*
* NOTICE!!!: This file will be very big, we should
* keep it clear under following roles:
*
* This file includes the following sections, so, if you add new
* functions into this file, please check which section it
* should be in, or check if you should add a new section
* to this file:
*
* 1 ) mac80211 init functions
* 2 ) tx information functions
* 3 ) functions called by core.c
* 4 ) wq & timer callback functions
* 5 ) frame process functions
* 6 ) IOT functions
* 7 ) sysfs functions
* 8 ) vif functions
* 9 ) ...
*/
/*********************************************************
*
* mac80211 init functions
*
*********************************************************/
static struct ieee80211_channel rtl_channeltable_2g[] = {
{.center_freq = 2412,.hw_value = 1,},
{.center_freq = 2417,.hw_value = 2,},
{.center_freq = 2422,.hw_value = 3,},
{.center_freq = 2427,.hw_value = 4,},
{.center_freq = 2432,.hw_value = 5,},
{.center_freq = 2437,.hw_value = 6,},
{.center_freq = 2442,.hw_value = 7,},
{.center_freq = 2447,.hw_value = 8,},
{.center_freq = 2452,.hw_value = 9,},
{.center_freq = 2457,.hw_value = 10,},
{.center_freq = 2462,.hw_value = 11,},
{.center_freq = 2467,.hw_value = 12,},
{.center_freq = 2472,.hw_value = 13,},
{.center_freq = 2484,.hw_value = 14,},
};
static struct ieee80211_channel rtl_channeltable_5g[] = {
{.center_freq = 5180,.hw_value = 36,},
{.center_freq = 5200,.hw_value = 40,},
{.center_freq = 5220,.hw_value = 44,},
{.center_freq = 5240,.hw_value = 48,},
{.center_freq = 5260,.hw_value = 52,},
{.center_freq = 5280,.hw_value = 56,},
{.center_freq = 5300,.hw_value = 60,},
{.center_freq = 5320,.hw_value = 64,},
{.center_freq = 5500,.hw_value = 100,},
{.center_freq = 5520,.hw_value = 104,},
{.center_freq = 5540,.hw_value = 108,},
{.center_freq = 5560,.hw_value = 112,},
{.center_freq = 5580,.hw_value = 116,},
{.center_freq = 5600,.hw_value = 120,},
{.center_freq = 5620,.hw_value = 124,},
{.center_freq = 5640,.hw_value = 128,},
{.center_freq = 5660,.hw_value = 132,},
{.center_freq = 5680,.hw_value = 136,},
{.center_freq = 5700,.hw_value = 140,},
{.center_freq = 5745,.hw_value = 149,},
{.center_freq = 5765,.hw_value = 153,},
{.center_freq = 5785,.hw_value = 157,},
{.center_freq = 5805,.hw_value = 161,},
{.center_freq = 5825,.hw_value = 165,},
};
static struct ieee80211_rate rtl_ratetable_2g[] = {
{.bitrate = 10,.hw_value = 0x00,},
{.bitrate = 20,.hw_value = 0x01,},
{.bitrate = 55,.hw_value = 0x02,},
{.bitrate = 110,.hw_value = 0x03,},
{.bitrate = 60,.hw_value = 0x04,},
{.bitrate = 90,.hw_value = 0x05,},
{.bitrate = 120,.hw_value = 0x06,},
{.bitrate = 180,.hw_value = 0x07,},
{.bitrate = 240,.hw_value = 0x08,},
{.bitrate = 360,.hw_value = 0x09,},
{.bitrate = 480,.hw_value = 0x0a,},
{.bitrate = 540,.hw_value = 0x0b,},
};
static struct ieee80211_rate rtl_ratetable_5g[] = {
{.bitrate = 60,.hw_value = 0x04,},
{.bitrate = 90,.hw_value = 0x05,},
{.bitrate = 120,.hw_value = 0x06,},
{.bitrate = 180,.hw_value = 0x07,},
{.bitrate = 240,.hw_value = 0x08,},
{.bitrate = 360,.hw_value = 0x09,},
{.bitrate = 480,.hw_value = 0x0a,},
{.bitrate = 540,.hw_value = 0x0b,},
};
static const struct ieee80211_supported_band rtl_band_2ghz = {
.band = IEEE80211_BAND_2GHZ,
.channels = rtl_channeltable_2g,
.n_channels = ARRAY_SIZE( rtl_channeltable_2g ),
.bitrates = rtl_ratetable_2g,
.n_bitrates = ARRAY_SIZE( rtl_ratetable_2g ),
.ht_cap = {0},
};
static struct ieee80211_supported_band rtl_band_5ghz = {
.band = IEEE80211_BAND_5GHZ,
.channels = rtl_channeltable_5g,
.n_channels = ARRAY_SIZE( rtl_channeltable_5g ),
.bitrates = rtl_ratetable_5g,
.n_bitrates = ARRAY_SIZE( rtl_ratetable_5g ),
.ht_cap = {0},
};
static const u8 tid_to_ac[] = {
2, /* IEEE80211_AC_BE */
3, /* IEEE80211_AC_BK */
3, /* IEEE80211_AC_BK */
2, /* IEEE80211_AC_BE */
1, /* IEEE80211_AC_VI */
1, /* IEEE80211_AC_VI */
0, /* IEEE80211_AC_VO */
0, /* IEEE80211_AC_VO */
};
u8 rtl_tid_to_ac( struct ieee80211_hw *hw, u8 tid )
{
return tid_to_ac[tid];
}
static void _rtl_init_hw_ht_capab( struct ieee80211_hw *hw,
struct ieee80211_sta_ht_cap *ht_cap )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_phy *rtlphy = &( rtlpriv->phy );
ht_cap->ht_supported = true;
ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
if ( rtlpriv->rtlhal.disable_amsdu_8k )
ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
/*
*Maximum length of AMPDU that the STA can receive.
*Length = 2 ^ ( 13 + max_ampdu_length_exp ) - 1 ( octets )
*/
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
/*Minimum MPDU start spacing , */
ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
/*
*hw->wiphy->bands[IEEE80211_BAND_2GHZ]
*base on ant_num
*rx_mask: RX mask
*if rx_ant =1 rx_mask[0]=0xff;==>MCS0-MCS7
*if rx_ant =2 rx_mask[1]=0xff;==>MCS8-MCS15
*if rx_ant >=3 rx_mask[2]=0xff;
*if BW_40 rx_mask[4]=0x01;
*highest supported RX rate
*/
if ( rtlpriv->dm.supp_phymode_switch ) {
RT_TRACE( COMP_INIT, DBG_EMERG, ( "Support phy mode switch\n" ) );
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0xFF;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15;
} else {
if ( get_rf_type( rtlphy ) == RF_1T2R ||
get_rf_type( rtlphy ) == RF_2T2R ) {
RT_TRACE( COMP_INIT, DBG_DMESG, ( "1T2R or 2T2R\n" ) );
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0xFF;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15;
} else if ( get_rf_type( rtlphy ) == RF_1T1R ) {
RT_TRACE( COMP_INIT, DBG_DMESG, ( "1T1R\n" ) );
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0x00;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS7;
}
}
}
static void _rtl_init_mac80211( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_hal *rtlhal = rtl_hal( rtlpriv );
struct rtl_mac *rtlmac = rtl_mac( rtl_priv( hw ) );
struct rtl_efuse *rtlefuse = rtl_efuse( rtl_priv( hw ) );
struct ieee80211_supported_band *sband;
if ( rtlhal->macphymode == SINGLEMAC_SINGLEPHY && rtlhal->bandset == BAND_ON_BOTH ) {
/* 1: 2.4 G bands */
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[IEEE80211_BAND_2GHZ] );
/* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[IEEE80211_BAND_2GHZ] ), &rtl_band_2ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
/* 2: 5 G bands */
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[IEEE80211_BAND_5GHZ] );
/* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[IEEE80211_BAND_5GHZ] ), &rtl_band_5ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
} else {
if ( rtlhal->current_bandtype == BAND_ON_2_4G ) {
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[IEEE80211_BAND_2GHZ] );
/* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[IEEE80211_BAND_2GHZ] ), &rtl_band_2ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
} else if ( rtlhal->current_bandtype == BAND_ON_5G ) {
/* <1> use mac->bands as mem for hw->wiphy->bands */
sband = &( rtlmac->bands[IEEE80211_BAND_5GHZ] );
/* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
* to default value( 1T1R ) */
memcpy( &( rtlmac->bands[IEEE80211_BAND_5GHZ] ), &rtl_band_5ghz,
sizeof( struct ieee80211_supported_band ) );
/* <3> init ht cap base on ant_num */
_rtl_init_hw_ht_capab( hw, &sband->ht_cap );
/* <4> set mac->sband to wiphy->sband */
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
} else {
RT_TRACE( COMP_INIT, DBG_EMERG, ( "Err BAND %d\n",
rtlhal->current_bandtype ) );
}
}
/* <5> set hw caps */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_RX_INCLUDES_FCS |
#if ( LINUX_VERSION_CODE < KERNEL_VERSION( 3,4,0 ) )
IEEE80211_HW_BEACON_FILTER |
#endif
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_CONNECTION_MONITOR |
/* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
IEEE80211_HW_MFP_CAPABLE | 0;
/* swlps or hwlps has been set in diff chip in init_sw_vars */
if ( rtlpriv->psc.b_swctrl_lps )
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
/* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
0;
/*<delete in kernel start>*/
#if ( LINUX_VERSION_CODE >= KERNEL_VERSION( 2,6,37 ) )
hw->wiphy->interface_modes =
BIT( NL80211_IFTYPE_AP ) |
BIT( NL80211_IFTYPE_STATION ) |
BIT( NL80211_IFTYPE_ADHOC ) |
BIT( NL80211_IFTYPE_MESH_POINT ) |
BIT( NL80211_IFTYPE_P2P_CLIENT ) |
BIT( NL80211_IFTYPE_P2P_GO );
#else
/*<delete in kernel end>*/
hw->wiphy->interface_modes =
BIT( NL80211_IFTYPE_AP ) |
BIT( NL80211_IFTYPE_STATION ) |
BIT( NL80211_IFTYPE_ADHOC ) |
BIT( NL80211_IFTYPE_MESH_POINT ) ;
/*<delete in kernel start>*/
#endif
/*<delete in kernel end>*/
#if ( LINUX_VERSION_CODE > KERNEL_VERSION( 2,6,39 ) )
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
#endif
hw->wiphy->rts_threshold = 2347;
hw->queues = AC_MAX;
hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
/* TODO: Correct this value for our hw */
/* TODO: define these hard code value */
hw->channel_change_time = 100;
hw->max_listen_interval = 10;
hw->max_rate_tries = 4;
/* hw->max_rates = 1; */
hw->sta_data_size = sizeof( struct rtl_sta_info );
#ifdef VIF_TODO
hw->vif_data_size = sizeof( struct rtl_vif_info );
#endif
/* <6> mac address */
if ( is_valid_ether_addr( rtlefuse->dev_addr ) ) {
SET_IEEE80211_PERM_ADDR( hw, rtlefuse->dev_addr );
} else {
u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
get_random_bytes( ( rtlmac + ( ETH_ALEN - 1 ) ), 1 );
SET_IEEE80211_PERM_ADDR( hw, rtlmac );
}
}
static void _rtl_init_deferred_work( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
/* <1> timer */
init_timer( &rtlpriv->works.watchdog_timer );
setup_timer( &rtlpriv->works.watchdog_timer,
rtl_watch_dog_timer_callback, ( unsigned long )hw );
init_timer( &rtlpriv->works.dualmac_easyconcurrent_retrytimer );
setup_timer( &rtlpriv->works.dualmac_easyconcurrent_retrytimer,
rtl_easy_concurrent_retrytimer_callback, ( unsigned long )hw );
/* <2> work queue */
rtlpriv->works.hw = hw;
/*<delete in kernel start>*/
#if ( LINUX_VERSION_CODE >= KERNEL_VERSION( 2,6,37 ) )
/*<delete in kernel end>*/
rtlpriv->works.rtl_wq = alloc_workqueue( rtlpriv->cfg->name, 0, 0 );
/*<delete in kernel start>*/
#else
rtlpriv->works.rtl_wq = create_workqueue( rtlpriv->cfg->name );
#endif
/*<delete in kernel end>*/
INIT_DELAYED_WORK( &rtlpriv->works.watchdog_wq,
( void * )rtl_watchdog_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.ips_nic_off_wq,
( void * )rtl_ips_nic_off_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.ps_work,
( void * )rtl_swlps_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.ps_rfon_wq,
( void * )rtl_swlps_rfon_wq_callback );
INIT_DELAYED_WORK( &rtlpriv->works.fwevt_wq,
( void * )rtl_fwevt_wq_callback );
}
void rtl_deinit_deferred_work( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
del_timer_sync( &rtlpriv->works.watchdog_timer );
cancel_delayed_work( &rtlpriv->works.watchdog_wq );
cancel_delayed_work( &rtlpriv->works.ips_nic_off_wq );
cancel_delayed_work( &rtlpriv->works.ps_work );
cancel_delayed_work( &rtlpriv->works.ps_rfon_wq );
cancel_delayed_work( &rtlpriv->works.fwevt_wq );
}
void rtl_init_rfkill( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
bool radio_state;
bool blocked;
u8 valid = 0;
/*set init state to on */
rtlpriv->rfkill.rfkill_state = 1;
wiphy_rfkill_set_hw_state( hw->wiphy, 0 );
radio_state = rtlpriv->cfg->ops->radio_onoff_checking( hw, &valid );
if ( valid ) {
printk( KERN_INFO "rtlwifi: wireless switch is %s\n",
rtlpriv->rfkill.rfkill_state ? "on" : "off" );
rtlpriv->rfkill.rfkill_state = radio_state;
blocked = ( rtlpriv->rfkill.rfkill_state == 1 ) ? 0 : 1;
wiphy_rfkill_set_hw_state( hw->wiphy, blocked );
}
wiphy_rfkill_start_polling( hw->wiphy );
}
void rtl_deinit_rfkill( struct ieee80211_hw *hw )
{
wiphy_rfkill_stop_polling( hw->wiphy );
}
#ifdef VIF_TODO
static void rtl_init_vif( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
INIT_LIST_HEAD( &rtlpriv->vif_priv.vif_list );
rtlpriv->vif_priv.vifs = 0;
}
#endif
int rtl_init_core( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *rtlmac = rtl_mac( rtl_priv( hw ) );
/* <1> init mac80211 */
_rtl_init_mac80211( hw );
rtlmac->hw = hw;
rtlmac->link_state = MAC80211_NOLINK;
/* <2> rate control register */
hw->rate_control_algorithm = "rtl_rc";
/*
* <3> init CRDA must come after init
* mac80211 hw in _rtl_init_mac80211.
*/
if ( rtl_regd_init( hw, rtl_reg_notifier ) ) {
RT_TRACE( COMP_ERR, DBG_EMERG, ( "REGD init failed\n" ) );
return 1;
}
/* <4> locks */
mutex_init( &rtlpriv->locks.conf_mutex );
spin_lock_init( &rtlpriv->locks.ips_lock );
spin_lock_init( &rtlpriv->locks.irq_th_lock );
spin_lock_init( &rtlpriv->locks.h2c_lock );
spin_lock_init( &rtlpriv->locks.rf_ps_lock );
spin_lock_init( &rtlpriv->locks.rf_lock );
spin_lock_init( &rtlpriv->locks.lps_lock );
spin_lock_init( &rtlpriv->locks.waitq_lock );
spin_lock_init( &rtlpriv->locks.entry_list_lock );
spin_lock_init( &rtlpriv->locks.cck_and_rw_pagea_lock );
spin_lock_init( &rtlpriv->locks.check_sendpkt_lock );
spin_lock_init( &rtlpriv->locks.fw_ps_lock );
/* <5> init list */
INIT_LIST_HEAD( &rtlpriv->entry_list );
/* <6> init deferred work */
_rtl_init_deferred_work( hw );
/* <7> */
#ifdef VIF_TODO
rtl_init_vif( hw );
#endif
return 0;
}
void rtl_deinit_core( struct ieee80211_hw *hw )
{
}
void rtl_init_rx_config( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
rtlpriv->cfg->ops->get_hw_reg( hw, HW_VAR_RCR, ( u8 * ) ( &mac->rx_conf ) );
}
/*********************************************************
*
* tx information functions
*
*********************************************************/
static void _rtl_qurey_shortpreamble_mode( struct ieee80211_hw *hw,
struct rtl_tcb_desc *tcb_desc,
struct ieee80211_tx_info *info )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
u8 rate_flag = info->control.rates[0].flags;
tcb_desc->use_shortpreamble = false;
/* 1M can only use Long Preamble. 11B spec */
if ( tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M] )
return;
else if ( rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE )
tcb_desc->use_shortpreamble = true;
return;
}
static void _rtl_query_shortgi( struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct rtl_tcb_desc *tcb_desc,
struct ieee80211_tx_info *info )
{
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
u8 rate_flag = info->control.rates[0].flags;
u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
tcb_desc->use_shortgi = false;
if ( sta == NULL )
return;
sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
if ( !( sta->ht_cap.ht_supported ) )
return;
if ( !sgi_40 && !sgi_20 )
return;
if ( mac->opmode == NL80211_IFTYPE_STATION )
bw_40 = mac->bw_40;
else if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT )
bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
if ( ( bw_40 == true ) && sgi_40 )
tcb_desc->use_shortgi = true;
else if ( ( bw_40 == false ) && sgi_20 )
tcb_desc->use_shortgi = true;
if ( !( rate_flag & IEEE80211_TX_RC_SHORT_GI ) )
tcb_desc->use_shortgi = false;
}
static void _rtl_query_protection_mode( struct ieee80211_hw *hw,
struct rtl_tcb_desc *tcb_desc,
struct ieee80211_tx_info *info )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
u8 rate_flag = info->control.rates[0].flags;
/* Common Settings */
tcb_desc->b_rts_stbc = false;
tcb_desc->b_cts_enable = false;
tcb_desc->rts_sc = 0;
tcb_desc->b_rts_bw = false;
tcb_desc->b_rts_use_shortpreamble = false;
tcb_desc->b_rts_use_shortgi = false;
if ( rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT ) {
/* Use CTS-to-SELF in protection mode. */
tcb_desc->b_rts_enable = true;
tcb_desc->b_cts_enable = true;
tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
} else if ( rate_flag & IEEE80211_TX_RC_USE_RTS_CTS ) {
/* Use RTS-CTS in protection mode. */
tcb_desc->b_rts_enable = true;
tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
}
}
static void _rtl_txrate_selectmode( struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct rtl_tcb_desc *tcb_desc )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
struct rtl_sta_info *sta_entry = NULL;
u8 ratr_index = 7;
if ( sta ) {
sta_entry = ( struct rtl_sta_info * ) sta->drv_priv;
ratr_index = sta_entry->ratr_index;
}
if ( !tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate ) {
if ( mac->opmode == NL80211_IFTYPE_STATION ) {
tcb_desc->ratr_index = 0;
} else if ( mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
if ( tcb_desc->b_multicast || tcb_desc->b_broadcast ) {
tcb_desc->hw_rate = rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
tcb_desc->use_driver_rate = 1;
tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
} else {
tcb_desc->ratr_index = ratr_index;
}
} else if ( mac->opmode == NL80211_IFTYPE_AP ) {
tcb_desc->ratr_index = ratr_index;
}
}
if ( rtlpriv->dm.b_useramask ) {
tcb_desc->ratr_index = ratr_index;
/* TODO we will differentiate adhoc and station futrue */
if ( mac->opmode == NL80211_IFTYPE_STATION ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
tcb_desc->mac_id = 0;
if ( mac->mode == WIRELESS_MODE_N_24G ) {
tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
} else if ( mac->mode == WIRELESS_MODE_N_5G ) {
tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
} else if ( mac->mode & WIRELESS_MODE_G ) {
tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
} else if ( mac->mode & WIRELESS_MODE_B ) {
tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
} else if ( mac->mode & WIRELESS_MODE_A ) {
tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
}
} else if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ) {
if ( NULL != sta ) {
if ( sta->aid > 0 ) {
tcb_desc->mac_id = sta->aid + 1;
} else {
tcb_desc->mac_id = 1;
}
} else {
tcb_desc->mac_id = 0;
}
}
}
}
static void _rtl_query_bandwidth_mode( struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct rtl_tcb_desc *tcb_desc )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
tcb_desc->b_packet_bw = false;
if ( !sta )
return;
if ( mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT ) {
if ( !( sta->ht_cap.ht_supported ) ||
!( sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ) )
return;
} else if ( mac->opmode == NL80211_IFTYPE_STATION ) {
if ( !mac->bw_40 || !( sta->ht_cap.ht_supported ) )
return;
}
if ( tcb_desc->b_multicast || tcb_desc->b_broadcast )
return;
/*use legency rate, shall use 20MHz */
if ( tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M] )
return;
tcb_desc->b_packet_bw = true;
}
static u8 _rtl_get_highest_n_rate( struct ieee80211_hw *hw )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_phy *rtlphy = &( rtlpriv->phy );
u8 hw_rate;
if ( get_rf_type( rtlphy ) == RF_2T2R )
hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
else
hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
return hw_rate;
}
void rtl_get_tcb_desc( struct ieee80211_hw *hw,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_mac *rtlmac = rtl_mac( rtl_priv( hw ) );
struct ieee80211_hdr *hdr = rtl_get_hdr( skb );
struct ieee80211_rate *txrate;
u16 fc = rtl_get_fc( skb );
txrate = ieee80211_get_tx_rate( hw, info );
tcb_desc->hw_rate = txrate->hw_value;
if ( ieee80211_is_data( fc ) ) {
/*
*we set data rate INX 0
*in rtl_rc.c if skb is special data or
*mgt which need low data rate.
*/
/*
*So tcb_desc->hw_rate is just used for
*special data and mgt frames
*/
if ( info->control.rates[0].idx == 0 ||
ieee80211_is_nullfunc( fc ) ) {
tcb_desc->use_driver_rate = true;
tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
tcb_desc->disable_ratefallback = 1;
} else {
/*
*because hw will nerver use hw_rate
*when tcb_desc->use_driver_rate = false
*so we never set highest N rate here,
*and N rate will all be controled by FW
*when tcb_desc->use_driver_rate = false
*/
if ( sta && ( sta->ht_cap.ht_supported ) ) {
tcb_desc->hw_rate = _rtl_get_highest_n_rate( hw );
} else {
if( rtlmac->mode == WIRELESS_MODE_B ) {
tcb_desc->hw_rate =
rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
} else {
tcb_desc->hw_rate =
rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
}
}
}
if ( is_multicast_ether_addr( ieee80211_get_DA( hdr ) ) )
tcb_desc->b_multicast = 1;
else if ( is_broadcast_ether_addr( ieee80211_get_DA( hdr ) ) )
tcb_desc->b_broadcast = 1;
_rtl_txrate_selectmode( hw, sta, tcb_desc );
_rtl_query_bandwidth_mode( hw, sta, tcb_desc );
_rtl_qurey_shortpreamble_mode( hw, tcb_desc, info );
_rtl_query_shortgi( hw, sta, tcb_desc, info );
_rtl_query_protection_mode( hw, tcb_desc, info );
} else {
tcb_desc->use_driver_rate = true;
tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
tcb_desc->disable_ratefallback = 1;
tcb_desc->mac_id = 0;
tcb_desc->b_packet_bw = false;
}
}
EXPORT_SYMBOL( rtl_get_tcb_desc );
bool rtl_tx_mgmt_proc( struct ieee80211_hw *hw, struct sk_buff *skb )
{
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
struct rtl_priv *rtlpriv = rtl_priv( hw );
u16 fc = rtl_get_fc( skb );
if ( rtlpriv->dm.supp_phymode_switch &&
mac->link_state < MAC80211_LINKED &&
( ieee80211_is_auth( fc ) || ieee80211_is_probe_req( fc ) ) ) {
if ( rtlpriv->cfg->ops->check_switch_to_dmdp )
rtlpriv->cfg->ops->check_switch_to_dmdp( hw );
}
if ( ieee80211_is_auth( fc ) ) {
RT_TRACE( COMP_SEND, DBG_DMESG, ( "MAC80211_LINKING\n" ) );
rtl_ips_nic_on( hw );
mac->link_state = MAC80211_LINKING;
/* Dul mac */
rtlpriv->phy.b_need_iqk = true;
}
return true;
}
struct sk_buff *rtl_make_del_ba( struct ieee80211_hw *hw, u8 *sa, u8 *bssid, u16 tid );
bool rtl_action_proc( struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx )
{
struct rtl_mac *mac = rtl_mac( rtl_priv( hw ) );
struct ieee80211_hdr *hdr = rtl_get_hdr( skb );
struct rtl_priv *rtlpriv = rtl_priv( hw );
u16 fc = rtl_get_fc( skb );
u8 *act = ( u8 * ) ( ( ( u8 * ) skb->data + MAC80211_3ADDR_LEN ) );
u8 category;
if ( !ieee80211_is_action( fc ) )
return true;
category = *act;
act++;
switch ( category ) {
case ACT_CAT_BA:
switch ( *act ) {
case ACT_ADDBAREQ:
if ( mac->act_scanning )
return false;
RT_TRACE( ( COMP_SEND | COMP_RECV ), DBG_DMESG,
( "%s ACT_ADDBAREQ From :%pM\n",
is_tx ? "Tx" : "Rx", hdr->addr2 ) );
RT_PRINT_DATA( rtlpriv, COMP_INIT, DBG_DMESG, ( "req \n" ),
skb->data, skb->len );
if ( !is_tx ) {
struct ieee80211_sta *sta = NULL;
struct rtl_sta_info *sta_entry = NULL;
struct ieee80211_mgmt *mgmt = ( void * )skb->data;
u16 capab = 0, tid = 0;
struct rtl_tid_data *tid_data;
struct sk_buff *skb_delba = NULL;
struct ieee80211_rx_status rx_status = { 0 };
rcu_read_lock();
sta = rtl_find_sta( hw, hdr->addr3 );
if ( sta == NULL ) {
RT_TRACE( ( COMP_SEND | COMP_RECV ), DBG_EMERG,
( "sta is NULL\n" ) );
rcu_read_unlock();
return true;
}
sta_entry = ( struct rtl_sta_info * )sta->drv_priv;
if ( !sta_entry ) {
rcu_read_unlock();
return true;
}
capab = le16_to_cpu( mgmt->u.action.u.addba_req.capab );
tid = ( capab & IEEE80211_ADDBA_PARAM_TID_MASK ) >> 2;
tid_data = &sta_entry->tids[tid];
if ( tid_data->agg.rx_agg_state == RTL_RX_AGG_START ) {
skb_delba = rtl_make_del_ba( hw, hdr->addr2, hdr->addr3, tid );
if ( skb_delba ) {
rx_status.freq = hw->conf.chandef.chan->center_freq;
rx_status.band = hw->conf.chandef.chan->band;
rx_status.flag |= RX_FLAG_DECRYPTED;
rx_status.flag |= RX_FLAG_MACTIME_MPDU;
rx_status.rate_idx = 0;
rx_status.signal = 50 + 10;
memcpy( IEEE80211_SKB_RXCB( skb_delba ), &rx_status,
sizeof( rx_status ) );
RT_PRINT_DATA( rtlpriv, COMP_INIT, DBG_DMESG,
( "fake del\n" ), skb_delba->data,
skb_delba->len );
ieee80211_rx_irqsafe( hw, skb_delba );
}
}
rcu_read_unlock();
}
break;
case ACT_ADDBARSP:
RT_TRACE( ( COMP_SEND | COMP_RECV ), DBG_DMESG,
( "%s ACT_ADDBARSP From :%pM\n",
is_tx ? "Tx" : "Rx", hdr->addr2 ) );
break;
case ACT_DELBA:
RT_TRACE( ( COMP_SEND | COMP_RECV ), DBG_DMESG,
( "ACT_ADDBADEL From :%pM\n", hdr->addr2 ) );
break;
}
break;
default:
break;
}
return true;
}
/*should call before software enc*/
u8 rtl_is_special_data( struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_ps_ctl *ppsc = rtl_psc( rtl_priv( hw ) );
u16 fc = rtl_get_fc( skb );
u16 ether_type;
u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb( skb );
const struct iphdr *ip;
if ( !ieee80211_is_data( fc ) )
goto end;
ip = ( struct iphdr * )( ( u8 * ) skb->data + mac_hdr_len +
SNAP_SIZE + PROTOC_TYPE_SIZE );
ether_type = *( u16 * ) ( ( u8 * ) skb->data + mac_hdr_len + SNAP_SIZE );
ether_type = ntohs( ether_type );
if ( ETH_P_IP == ether_type ) {
if ( IPPROTO_UDP == ip->protocol ) {
struct udphdr *udp = ( struct udphdr * )( ( u8 * ) ip +
( ip->ihl << 2 ) );
if ( ( ( ( ( u8 * ) udp )[1] == 68 ) &&
( ( ( u8 * ) udp )[3] == 67 ) ) ||
( ( ( ( u8 * ) udp )[1] == 67 ) &&
( ( ( u8 * ) udp )[3] == 68 ) ) ) {
/*
* 68 : UDP BOOTP client
* 67 : UDP BOOTP server
*/
RT_TRACE( ( COMP_SEND | COMP_RECV ),
DBG_DMESG, ( "dhcp %s !!\n",
( is_tx ) ? "Tx" : "Rx" ) );
if ( is_tx ) {
rtl_lps_leave( hw );
ppsc->last_delaylps_stamp_jiffies =
jiffies;
}
return true;
}
}
} else if ( ETH_P_ARP == ether_type ) {
if ( is_tx ) {
rtl_lps_leave( hw );
ppsc->last_delaylps_stamp_jiffies = jiffies;
}
return true;
} else if ( ETH_P_PAE == ether_type ) {
RT_TRACE( ( COMP_SEND | COMP_RECV ), DBG_DMESG,
( "802.1X %s EAPOL pkt!!\n", ( is_tx ) ? "Tx" : "Rx" ) );
if ( is_tx ) {
rtl_lps_leave( hw );
ppsc->last_delaylps_stamp_jiffies = jiffies;
}
return true;
} else if ( 0x86DD == ether_type ) {
return true;
}
end:
return false;
}
/*********************************************************
*
* functions called by core.c
*
*********************************************************/
int rtl_tx_agg_start( struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn )
{
struct rtl_priv *rtlpriv = rtl_priv( hw );
struct rtl_tid_data *tid_data;
struct rtl_sta_info *sta_entry = NULL;