summaryrefslogtreecommitdiff
path: root/package/mac80211/patches/500-ath9k_rate_control_api.patch
blob: fe476cb251ffdfcc72f32f076bc7eab1a7d8118b (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -19,132 +19,133 @@
 
 static const struct ath_rate_table ar5416_11na_ratetable = {
 	42,
+	8, /* MCS start */
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
+			5400, 0, 0x00, 12,
 			0, 0, 0, 0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800,  0x0f, 0x00, 18,
+			7800,  1, 0x00, 18,
 			0, 1, 1, 1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, 24,
+			10000, 2, 0x00, 24,
 			2, 2, 2, 2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
+			13900, 3, 0x00, 36,
 			2,  3, 3, 3, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, 48,
+			17300, 4, 0x00, 48,
 			4,  4, 4, 4, 4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
+			23000, 5, 0x00, 72,
 			4,  5, 5, 5, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 6, 0x00, 96,
 			4,  6, 6, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
+			29300, 7, 0x00, 108,
 			4,  7, 7, 7, 7, 0 },
 		{ VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0x80, 0x00, 0,
+			6400, 0, 0x00, 0,
 			0, 8, 24, 8, 24, 3216 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 0x81, 0x00, 1,
+			12700, 1, 0x00, 1,
 			2, 9, 25, 9, 25, 6434 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 0x82, 0x00, 2,
+			18800, 2, 0x00, 2,
 			2, 10, 26, 10, 26, 9650 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 0x83, 0x00, 3,
+			25000, 3, 0x00, 3,
 			4,  11, 27, 11, 27, 12868 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 0x84, 0x00, 4,
+			36700, 4, 0x00, 4,
 			4,  12, 28, 12, 28, 19304 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 0x85, 0x00, 5,
+			48100, 5, 0x00, 5,
 			4,  13, 29, 13, 29, 25740 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 0x86, 0x00, 6,
+			53500, 6, 0x00, 6,
 			4,  14, 30, 14, 30,  28956 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 0x87, 0x00, 7,
+			59000, 7, 0x00, 7,
 			4,  15, 31, 15, 32, 32180 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 0x88, 0x00,
+			12700, 8, 0x00,
 			8, 3, 16, 33, 16, 33, 6430 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 0x89, 0x00, 9,
+			24800, 9, 0x00, 9,
 			2, 17, 34, 17, 34, 12860 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 0x8a, 0x00, 10,
+			36600, 10, 0x00, 10,
 			2, 18, 35, 18, 35, 19300 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 0x8b, 0x00, 11,
+			48100, 11, 0x00, 11,
 			4,  19, 36, 19, 36, 25736 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 0x8c, 0x00, 12,
+			69500, 12, 0x00, 12,
 			4,  20, 37, 20, 37, 38600 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 0x8d, 0x00, 13,
+			89500, 13, 0x00, 13,
 			4,  21, 38, 21, 38, 51472 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 0x8e, 0x00, 14,
+			98900, 14, 0x00, 14,
 			4,  22, 39, 22, 39, 57890 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 0x8f, 0x00, 15,
+			108300, 15, 0x00, 15,
 			4,  23, 40, 23, 41, 64320 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0x80, 0x00, 0,
+			13200, 0, 0x00, 0,
 			0, 8, 24, 24, 24, 6684 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 0x81, 0x00, 1,
+			25900, 1, 0x00, 1,
 			2, 9, 25, 25, 25, 13368 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 0x82, 0x00, 2,
+			38600, 2, 0x00, 2,
 			2, 10, 26, 26, 26, 20052 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 0x83, 0x00, 3,
+			49800, 3, 0x00, 3,
 			4,  11, 27, 27, 27, 26738 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 0x84, 0x00, 4,
+			72200, 4, 0x00, 4,
 			4,  12, 28, 28, 28, 40104 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 0x85, 0x00, 5,
+			92900, 5, 0x00, 5,
 			4,  13, 29, 29, 29, 53476 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 0x86, 0x00, 6,
+			102700, 6, 0x00, 6,
 			4,  14, 30, 30, 30, 60156 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 0x87, 0x00, 7,
+			112000, 7, 0x00, 7,
 			4,  15, 31, 32, 32, 66840 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 0x87, 0x00, 7,
+			122000, 7, 0x00, 7,
 			4,  15, 31, 32, 32, 74200 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 0x88, 0x00, 8,
+			25800, 8, 0x00, 8,
 			0, 16, 33, 33, 33, 13360 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 0x89, 0x00, 9,
+			49800, 9, 0x00, 9,
 			2, 17, 34, 34, 34, 26720 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 0x8a, 0x00, 10,
+			71900, 10, 0x00, 10,
 			2, 18, 35, 35, 35, 40080 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 0x8b, 0x00, 11,
+			92500, 11, 0x00, 11,
 			4,  19, 36, 36, 36, 53440 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 0x8c, 0x00, 12,
+			130300, 12, 0x00, 12,
 			4,  20, 37, 37, 37, 80160 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 0x8d, 0x00, 13,
+			162800, 13, 0x00, 13,
 			4,  21, 38, 38, 38, 106880 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 0x8e, 0x00, 14,
+			178200, 14, 0x00, 14,
 			4,  22, 39, 39, 39, 120240 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 0x8f, 0x00, 15,
+			192100, 15, 0x00, 15,
 			4,  23, 40, 41, 41, 133600 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 0x8f, 0x00, 15,
+			207000, 15, 0x00, 15,
 			4,  23, 40, 41, 41, 148400 },
 	},
 	50,  /* probe interval */
@@ -156,144 +157,145 @@ static const struct ath_rate_table ar541
 
 static const struct ath_rate_table ar5416_11ng_ratetable = {
 	46,
+	12, /* MCS start */
 	{
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b, 0x00, 2,
+			900, 0, 0x00, 2,
 			0, 0, 0, 0, 0, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 0x1a, 0x04, 4,
+			1900, 1, 0x04, 4,
 			1, 1, 1, 1, 1, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 0x19, 0x04, 11,
+			4900, 2, 0x04, 11,
 			2, 2, 2, 2, 2, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 0x18, 0x04, 22,
+			8100, 3, 0x04, 22,
 			3, 3, 3, 3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
+			5400, 4, 0x00, 12,
 			4, 4, 4, 4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
+			7800, 5, 0x00, 18,
 			4, 5, 5, 5, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10100, 0x0a, 0x00, 24,
+			10100, 6, 0x00, 24,
 			6, 6, 6, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			14100,  0x0e, 0x00, 36,
+			14100, 7, 0x00, 36,
 			6, 7, 7, 7, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17700, 0x09, 0x00, 48,
+			17700, 8, 0x00, 48,
 			8,  8, 8, 8, 8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23700, 0x0d, 0x00, 72,
+			23700, 9, 0x00, 72,
 			8,  9, 9, 9, 9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 10, 0x00, 96,
 			8,  10, 10, 10, 10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			30900, 0x0c, 0x00, 108,
+			30900, 11, 0x00, 108,
 			8,  11, 11, 11, 11, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0x80, 0x00, 0,
+			6400, 0, 0x00, 0,
 			4, 12, 28, 12, 28, 3216 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 0x81, 0x00, 1,
+			12700, 1, 0x00, 1,
 			6, 13, 29, 13, 29, 6434 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 0x82, 0x00, 2,
+			18800, 2, 0x00, 2,
 			6, 14, 30, 14, 30, 9650 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 0x83, 0x00, 3,
+			25000, 3, 0x00, 3,
 			8,  15, 31, 15, 31, 12868 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 0x84, 0x00, 4,
+			36700, 4, 0x00, 4,
 			8,  16, 32, 16, 32, 19304 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 0x85, 0x00, 5,
+			48100, 5, 0x00, 5,
 			8,  17, 33, 17, 33, 25740 },
 		{ INVALID,  VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 0x86, 0x00, 6,
+			53500, 6, 0x00, 6,
 			8,  18, 34, 18, 34, 28956 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 0x87, 0x00, 7,
+			59000, 7, 0x00, 7,
 			8,  19, 35, 19, 36, 32180 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 0x88, 0x00, 8,
+			12700, 8, 0x00, 8,
 			4, 20, 37, 20, 37, 6430 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 0x89, 0x00, 9,
+			24800, 9, 0x00, 9,
 			6, 21, 38, 21, 38, 12860 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 0x8a, 0x00, 10,
+			36600, 10, 0x00, 10,
 			6, 22, 39, 22, 39, 19300 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 0x8b, 0x00, 11,
+			48100, 11, 0x00, 11,
 			8,  23, 40, 23, 40, 25736 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 0x8c, 0x00, 12,
+			69500, 12, 0x00, 12,
 			8,  24, 41, 24, 41, 38600 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 0x8d, 0x00, 13,
+			89500, 13, 0x00, 13,
 			8,  25, 42, 25, 42, 51472 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 0x8e, 0x00, 14,
+			98900, 14, 0x00, 14,
 			8,  26, 43, 26, 44, 57890 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 0x8f, 0x00, 15,
+			108300, 15, 0x00, 15,
 			8,  27, 44, 27, 45, 64320 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0x80, 0x00, 0,
+			13200, 0, 0x00, 0,
 			8, 12, 28, 28, 28, 6684 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 0x81, 0x00, 1,
+			25900, 1, 0x00, 1,
 			8, 13, 29, 29, 29, 13368 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 0x82, 0x00, 2,
+			38600, 2, 0x00, 2,
 			8, 14, 30, 30, 30, 20052 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 0x83, 0x00, 3,
+			49800, 3, 0x00, 3,
 			8,  15, 31, 31, 31, 26738 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 0x84, 0x00, 4,
+			72200, 4, 0x00, 4,
 			8,  16, 32, 32, 32, 40104 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 0x85, 0x00, 5,
+			92900, 5, 0x00, 5,
 			8,  17, 33, 33, 33, 53476 },
 		{ INVALID,  VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 0x86, 0x00, 6,
+			102700, 6, 0x00, 6,
 			8,  18, 34, 34, 34, 60156 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 0x87, 0x00, 7,
+			112000, 7, 0x00, 7,
 			8,  19, 35, 36, 36, 66840 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 0x87, 0x00, 7,
+			122000, 7, 0x00, 7,
 			8,  19, 35, 36, 36, 74200 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 0x88, 0x00, 8,
+			25800, 8, 0x00, 8,
 			8, 20, 37, 37, 37, 13360 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 0x89, 0x00, 9,
+			49800, 9, 0x00, 9,
 			8, 21, 38, 38, 38, 26720 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 0x8a, 0x00, 10,
+			71900, 10, 0x00, 10,
 			8, 22, 39, 39, 39, 40080 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 0x8b, 0x00, 11,
+			92500, 11, 0x00, 11,
 			8,  23, 40, 40, 40, 53440 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 0x8c, 0x00, 12,
+			130300, 12, 0x00, 12,
 			8,  24, 41, 41, 41, 80160 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 0x8d, 0x00, 13,
+			162800, 13, 0x00, 13,
 			8,  25, 42, 42, 42, 106880 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 0x8e, 0x00, 14,
+			178200, 14, 0x00, 14,
 			8,  26, 43, 43, 43, 120240 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 0x8f, 0x00, 15,
+			192100, 15, 0x00, 15,
 			8,  27, 44, 45, 45, 133600 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 0x8f, 0x00, 15,
+			207000, 15, 0x00, 15,
 			8,  27, 44, 45, 45, 148400 },
 		},
 	50,  /* probe interval */
@@ -302,30 +304,31 @@ static const struct ath_rate_table ar541
 
 static const struct ath_rate_table ar5416_11a_ratetable = {
 	8,
+	0,
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, (0x80|12),
+			5400, 0, 0x00, 12,
 			0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
+			7800, 1, 0x00, 18,
 			0, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, (0x80|24),
+			10000, 2, 0x00, 24,
 			2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
+			13900, 3, 0x00, 36,
 			2, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, (0x80|48),
+			17300, 4, 0x00, 48,
 			4,  4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
+			23000, 5, 0x00, 72,
 			4,  5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 6, 0x00, 96,
 			4,  6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
+			29300, 7, 0x00, 108,
 			4,  7, 0 },
 	},
 	50,  /* probe interval */
@@ -334,48 +337,63 @@ static const struct ath_rate_table ar541
 
 static const struct ath_rate_table ar5416_11g_ratetable = {
 	12,
+	0,
 	{
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b, 0x00, 2,
+			900, 0, 0x00, 2,
 			0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 0x1a, 0x04, 4,
+			1900, 1, 0x04, 4,
 			1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 0x19, 0x04, 11,
+			4900, 2, 0x04, 11,
 			2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 0x18, 0x04, 22,
+			8100, 3, 0x04, 22,
 			3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
+			5400, 4, 0x00, 12,
 			4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
+			7800, 5, 0x00, 18,
 			4, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, 24,
+			10000, 6, 0x00, 24,
 			6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
+			13900, 7, 0x00, 36,
 			6, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, 48,
+			17300, 8, 0x00, 48,
 			8,  8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
+			23000, 9, 0x00, 72,
 			8,  9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 10, 0x00, 96,
 			8,  10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
+			29300, 11, 0x00, 108,
 			8,  11, 0 },
 	},
 	50,  /* probe interval */
 	0,   /* Phy rates allowed initially */
 };
 
+static const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX] = {
+	[ATH9K_MODE_11A] = &ar5416_11a_ratetable,
+	[ATH9K_MODE_11G] = &ar5416_11g_ratetable,
+	[ATH9K_MODE_11NA_HT20] = &ar5416_11na_ratetable,
+	[ATH9K_MODE_11NG_HT20] = &ar5416_11ng_ratetable,
+	[ATH9K_MODE_11NA_HT40PLUS] = &ar5416_11na_ratetable,
+	[ATH9K_MODE_11NA_HT40MINUS] = &ar5416_11na_ratetable,
+	[ATH9K_MODE_11NG_HT40PLUS] = &ar5416_11ng_ratetable,
+	[ATH9K_MODE_11NG_HT40MINUS] = &ar5416_11ng_ratetable,
+};
+
+static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
+				struct ieee80211_tx_rate *rate);
+
 static inline int8_t median(int8_t a, int8_t b, int8_t c)
 {
 	if (a >= b) {
@@ -534,7 +552,7 @@ static u8 ath_rc_setvalid_rates(struct a
 			 * capflag matches one of the validity
 			 * (VALID/VALID_20/VALID_40) flags */
 
-			if (((rate & 0x7F) == (dot11rate & 0x7F)) &&
+			if ((rate == dot11rate) &&
 			    ((valid & WLAN_RC_CAP_MODE(capflag)) ==
 			     WLAN_RC_CAP_MODE(capflag)) &&
 			    !WLAN_RC_PHY_HT(phy)) {
@@ -576,8 +594,7 @@ static u8 ath_rc_setvalid_htrates(struct
 			u8 rate = rateset->rs_rates[i];
 			u8 dot11rate = rate_table->info[j].dot11rate;
 
-			if (((rate & 0x7F) != (dot11rate & 0x7F)) ||
-			    !WLAN_RC_PHY_HT(phy) ||
+			if ((rate != dot11rate) || !WLAN_RC_PHY_HT(phy) ||
 			    !WLAN_RC_PHY_HT_VALID(valid, capflag))
 				continue;
 
@@ -696,18 +713,20 @@ static void ath_rc_rate_set_series(const
 				   u8 tries, u8 rix, int rtsctsenable)
 {
 	rate->count = tries;
-	rate->idx = rix;
+	rate->idx = rate_table->info[rix].ratecode;
 
 	if (txrc->short_preamble)
 		rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
 	if (txrc->rts || rtsctsenable)
 		rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
-	if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
-	if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_SHORT_GI;
-	if (WLAN_RC_PHY_HT(rate_table->info[rix].phy))
+
+	if (WLAN_RC_PHY_HT(rate_table->info[rix].phy)) {
 		rate->flags |= IEEE80211_TX_RC_MCS;
+		if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
+			rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+		if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
+			rate->flags |= IEEE80211_TX_RC_SHORT_GI;
+	}
 }
 
 static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
@@ -720,7 +739,7 @@ static void ath_rc_rate_set_rtscts(struc
 	/* get the cix for the lowest valid rix */
 	for (i = 3; i >= 0; i--) {
 		if (rates[i].count && (rates[i].idx >= 0)) {
-			rix = rates[i].idx;
+			rix = ath_rc_get_rateindex(rate_table, &rates[i]);
 			break;
 		}
 	}
@@ -1080,15 +1099,19 @@ static int ath_rc_get_rateindex(const st
 {
 	int rix;
 
+	if (!(rate->flags & IEEE80211_TX_RC_MCS))
+		return rate->idx;
+
+	rix = rate->idx + rate_table->mcs_start;
 	if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
 	    (rate->flags & IEEE80211_TX_RC_SHORT_GI))
-		rix = rate_table->info[rate->idx].ht_index;
+		rix = rate_table->info[rix].ht_index;
 	else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
-		rix = rate_table->info[rate->idx].sgi_index;
+		rix = rate_table->info[rix].sgi_index;
 	else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
-		rix = rate_table->info[rate->idx].cw40index;
+		rix = rate_table->info[rix].cw40index;
 	else
-		rix = rate_table->info[rate->idx].base_index;
+		rix = rate_table->info[rix].base_index;
 
 	return rix;
 }
@@ -1183,7 +1206,9 @@ struct ath_rate_table *ath_choose_rate_t
 
 	ath_print(common, ATH_DBG_CONFIG,
 		  "Choosing rate table for mode: %d\n", mode);
-	return sc->hw_rate_table[mode];
+
+	sc->cur_rate_mode = mode;
+	return hw_rate_table[mode];
 }
 
 static void ath_rc_init(struct ath_softc *sc,
@@ -1197,12 +1222,6 @@ static void ath_rc_init(struct ath_softc
 	u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
 	u8 i, j, k, hi = 0, hthi = 0;
 
-	if (!rate_table) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Rate table not initialized\n");
-		return;
-	}
-
 	/* Initial rate table size. Will change depending
 	 * on the working rate set */
 	ath_rc_priv->rate_table_size = RATE_TABLE_SIZE;
@@ -1357,7 +1376,8 @@ static void ath_tx_status(void *priv, st
 		}
 	}
 
-	ath_debug_stat_rc(sc, skb);
+	ath_debug_stat_rc(sc, ath_rc_get_rateindex(sc->cur_rate_table,
+		&tx_info->status.rates[final_ts_idx]));
 }
 
 static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
@@ -1365,7 +1385,7 @@ static void ath_rate_init(void *priv, st
 {
 	struct ath_softc *sc = priv;
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	const struct ath_rate_table *rate_table = NULL;
+	const struct ath_rate_table *rate_table;
 	bool is_cw40, is_sgi40;
 	int i, j = 0;
 
@@ -1397,11 +1417,9 @@ static void ath_rate_init(void *priv, st
 	    (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
 	    (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
 		rate_table = ath_choose_rate_table(sc, sband->band,
-						   sta->ht_cap.ht_supported,
-						   is_cw40);
-	} else if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
-		/* cur_rate_table would be set on init through config() */
-		rate_table = sc->cur_rate_table;
+		                      sta->ht_cap.ht_supported, is_cw40);
+	} else {
+		rate_table = hw_rate_table[sc->cur_rate_mode];
 	}
 
 	ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40);
@@ -1445,6 +1463,7 @@ static void ath_rate_update(void *priv, 
 			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
 				  "Operating HT Bandwidth changed to: %d\n",
 				  sc->hw->conf.channel_type);
+			sc->cur_rate_table = hw_rate_table[sc->cur_rate_mode];
 		}
 	}
 }
@@ -1497,26 +1516,6 @@ static struct rate_control_ops ath_rate_
 	.free_sta = ath_rate_free_sta,
 };
 
-void ath_rate_attach(struct ath_softc *sc)
-{
-	sc->hw_rate_table[ATH9K_MODE_11A] =
-		&ar5416_11a_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11G] =
-		&ar5416_11g_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT20] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT20] =
-		&ar5416_11ng_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] =
-		&ar5416_11ng_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] =
-		&ar5416_11ng_ratetable;
-}
-
 int ath_rate_control_register(void)
 {
 	return ieee80211_rate_control_register(&ath_rate_ops);
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -70,6 +70,29 @@ static int ath_tx_num_badfrms(struct ath
 static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 			     int nbad, int txok, bool update_rc);
 
+enum {
+	MCS_DEFAULT,
+	MCS_HT40,
+	MCS_HT40_SGI,
+};
+
+static int ath_max_4ms_framelen[3][16] = {
+	[MCS_DEFAULT] = {
+		3216,  6434,  9650,  12868, 19304, 25740,  28956,  32180,
+		6430,  12860, 19300, 25736, 38600, 51472,  57890,  64320,
+	},
+	[MCS_HT40] = {
+		6684,  13368, 20052, 26738, 40104, 53476,  60156,  66840,
+		13360, 26720, 40080, 53440, 80160, 106880, 120240, 133600,
+	},
+	[MCS_HT40_SGI] = {
+		/* TODO: Only MCS 7 and 15 updated, recalculate the rest */
+		6684,  13368, 20052, 26738, 40104, 53476,  60156,  74200,
+		13360, 26720, 40080, 53440, 80160, 106880, 120240, 148400,
+	}
+};
+
+
 /*********************/
 /* Aggregation logic */
 /*********************/
@@ -459,7 +482,6 @@ static void ath_tx_complete_aggr(struct 
 static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 			   struct ath_atx_tid *tid)
 {
-	const struct ath_rate_table *rate_table = sc->cur_rate_table;
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *tx_info;
 	struct ieee80211_tx_rate *rates;
@@ -480,12 +502,20 @@ static u32 ath_lookup_rate(struct ath_so
 
 	for (i = 0; i < 4; i++) {
 		if (rates[i].count) {
-			if (!WLAN_RC_PHY_HT(rate_table->info[rates[i].idx].phy)) {
+			int modeidx;
+			if (!(rates[i].flags & IEEE80211_TX_RC_MCS)) {
 				legacy = 1;
 				break;
 			}
 
-			frmlen = rate_table->info[rates[i].idx].max_4ms_framelen;
+			if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
+				modeidx = MCS_HT40_SGI;
+			else if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+				modeidx = MCS_HT40;
+			else
+				modeidx = MCS_DEFAULT;
+
+			frmlen = ath_max_4ms_framelen[modeidx][rates[i].idx];
 			max_4ms_framelen = min(max_4ms_framelen, frmlen);
 		}
 	}
@@ -523,12 +553,11 @@ static u32 ath_lookup_rate(struct ath_so
 static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
 				  struct ath_buf *bf, u16 frmlen)
 {
-	const struct ath_rate_table *rt = sc->cur_rate_table;
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	u32 nsymbits, nsymbols;
 	u16 minlen;
-	u8 rc, flags, rix;
+	u8 flags, rix;
 	int width, half_gi, ndelim, mindelim;
 
 	/* Select standard number of delimiters based on frame length alone */
@@ -558,7 +587,6 @@ static int ath_compute_num_delims(struct
 
 	rix = tx_info->control.rates[0].idx;
 	flags = tx_info->control.rates[0].flags;
-	rc = rt->info[rix].ratecode;
 	width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
 	half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
 
@@ -570,7 +598,7 @@ static int ath_compute_num_delims(struct
 	if (nsymbols == 0)
 		nsymbols = 1;
 
-	nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
+	nsymbits = bits_per_symbol[rix][width];
 	minlen = (nsymbols * nsymbits) / BITS_PER_BYTE;
 
 	if (frmlen < minlen) {
@@ -1425,22 +1453,14 @@ static int setup_tx_flags(struct ath_sof
 static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
 			    int width, int half_gi, bool shortPreamble)
 {
-	const struct ath_rate_table *rate_table = sc->cur_rate_table;
 	u32 nbits, nsymbits, duration, nsymbols;
-	u8 rc;
 	int streams, pktlen;
 
 	pktlen = bf_isaggr(bf) ? bf->bf_al : bf->bf_frmlen;
-	rc = rate_table->info[rix].ratecode;
-
-	/* for legacy rates, use old function to compute packet duration */
-	if (!IS_HT_RATE(rc))
-		return ath9k_hw_computetxtime(sc->sc_ah, rate_table, pktlen,
-					      rix, shortPreamble);
 
 	/* find number of symbols: PLCP + data */
 	nbits = (pktlen << 3) + OFDM_PLCP_BITS;
-	nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
+	nsymbits = bits_per_symbol[rix][width];
 	nsymbols = (nbits + nsymbits - 1) / nsymbits;
 
 	if (!half_gi)
@@ -1449,7 +1469,7 @@ static u32 ath_pkt_duration(struct ath_s
 		duration = SYMBOL_TIME_HALFGI(nsymbols);
 
 	/* addup duration for legacy/ht training and signal fields */
-	streams = HT_RC_2_STREAMS(rc);
+	streams = HT_RC_2_STREAMS(rix);
 	duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
 
 	return duration;
@@ -1458,11 +1478,11 @@ static u32 ath_pkt_duration(struct ath_s
 static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	const struct ath_rate_table *rt = sc->cur_rate_table;
 	struct ath9k_11n_rate_series series[4];
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *tx_info;
 	struct ieee80211_tx_rate *rates;
+	const struct ieee80211_rate *rate;
 	struct ieee80211_hdr *hdr;
 	int i, flags = 0;
 	u8 rix = 0, ctsrate = 0;
@@ -1481,11 +1501,10 @@ static void ath_buf_set_rate(struct ath_
 	 * checking the BSS's global flag.
 	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
 	 */
+	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
+	ctsrate = rate->hw_value;
 	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-		ctsrate = rt->info[tx_info->control.rts_cts_rate_idx].ratecode |
-			rt->info[tx_info->control.rts_cts_rate_idx].short_preamble;
-	else
-		ctsrate = rt->info[tx_info->control.rts_cts_rate_idx].ratecode;
+		ctsrate |= rate->hw_value_short;
 
 	/*
 	 * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
@@ -1508,6 +1527,9 @@ static void ath_buf_set_rate(struct ath_
 		flags &= ~(ATH9K_TXDESC_RTSENA);
 
 	for (i = 0; i < 4; i++) {
+		bool is_40, is_sgi, is_sp;
+		int phy;
+
 		if (!rates[i].count || (rates[i].idx < 0))
 			continue;
 
@@ -1515,12 +1537,6 @@ static void ath_buf_set_rate(struct ath_
 		series[i].Tries = rates[i].count;
 		series[i].ChSel = common->tx_chainmask;
 
-		if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-			series[i].Rate = rt->info[rix].ratecode |
-				rt->info[rix].short_preamble;
-		else
-			series[i].Rate = rt->info[rix].ratecode;
-
 		if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
 			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
 		if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
@@ -1528,10 +1544,36 @@ static void ath_buf_set_rate(struct ath_
 		if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
 			series[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
 
-		series[i].PktDuration = ath_pkt_duration(sc, rix, bf,
-			 (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) != 0,
-			 (rates[i].flags & IEEE80211_TX_RC_SHORT_GI),
-			 (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE));
+		is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
+		is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
+		is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
+
+		if (rates[i].flags & IEEE80211_TX_RC_MCS) {
+			/* MCS rates */
+			series[i].Rate = rix | 0x80;
+			series[i].PktDuration = ath_pkt_duration(sc, rix, bf,
+				 is_40, is_sgi, is_sp);
+			continue;
+		}
+
+		/* legcay rates */
+		if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
+		    !(rate->flags & IEEE80211_RATE_ERP_G))
+			phy = WLAN_RC_PHY_CCK;
+		else
+			phy = WLAN_RC_PHY_OFDM;
+
+		rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
+		series[i].Rate = rate->hw_value;
+		if (rate->hw_value_short) {
+			if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+				series[i].Rate |= rate->hw_value_short;
+		} else {
+			is_sp = false;
+		}
+
+		series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
+			phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
 	}
 
 	/* set dur_update_en for l-sig computation except for PS-Poll frames */
@@ -1920,8 +1962,10 @@ static void ath_tx_rc_status(struct ath_
 		}
 	}
 
-	for (i = tx_rateindex + 1; i < hw->max_rates; i++)
+	for (i = tx_rateindex + 1; i < hw->max_rates; i++) {
 		tx_info->status.rates[i].count = 0;
+		tx_info->status.rates[i].idx = -1;
+	}
 
 	tx_info->status.rates[tx_rateindex].count = bf->bf_retries + 1;
 }
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -21,7 +21,6 @@
 #include <linux/device.h>
 #include <linux/leds.h>
 
-#include "rc.h"
 #include "debug.h"
 #include "common.h"
 
@@ -423,6 +422,7 @@ struct ath_led {
 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
 
 struct ath_wiphy;
+struct ath_rate_table;
 
 struct ath_softc {
 	struct ieee80211_hw *hw;
@@ -467,9 +467,8 @@ struct ath_softc {
 	struct ath_rx rx;
 	struct ath_tx tx;
 	struct ath_beacon beacon;
-	struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
-	const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
 	const struct ath_rate_table *cur_rate_table;
+	enum wireless_mode cur_rate_mode;
 	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
 
 	struct ath_led radio_led;
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -105,37 +105,55 @@ static struct ieee80211_channel ath9k_5g
 	CHAN5G(5825, 37), /* Channel 165 */
 };
 
+/* Atheros hardware rate code addition for short premble */
+#define SHPCHECK(__hw_rate, __flags) \
+	((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
+
+#define RATE(_bitrate, _hw_rate, _flags) {              \
+	.bitrate        = (_bitrate),                   \
+	.flags          = (_flags),                     \
+	.hw_value       = (_hw_rate),                   \
+	.hw_value_short = (SHPCHECK(_hw_rate, _flags))  \
+}
+
+static struct ieee80211_rate ath9k_legacy_rates[] = {
+	RATE(10, 0x1b, 0),
+	RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(60, 0x0b, 0),
+	RATE(90, 0x0f, 0),
+	RATE(120, 0x0a, 0),
+	RATE(180, 0x0e, 0),
+	RATE(240, 0x09, 0),
+	RATE(360, 0x0d, 0),
+	RATE(480, 0x08, 0),
+	RATE(540, 0x0c, 0),
+};
+
 static void ath_cache_conf_rate(struct ath_softc *sc,
 				struct ieee80211_conf *conf)
 {
 	switch (conf->channel->band) {
 	case IEEE80211_BAND_2GHZ:
 		if (conf_is_ht20(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
+			sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
 		else if (conf_is_ht40_minus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
 		else if (conf_is_ht40_plus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
 		else
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11G];
+			sc->cur_rate_mode = ATH9K_MODE_11G;
 		break;
 	case IEEE80211_BAND_5GHZ:
 		if (conf_is_ht20(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
+			sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
 		else if (conf_is_ht40_minus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
 		else if (conf_is_ht40_plus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
 		else
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11A];
+			sc->cur_rate_mode = ATH9K_MODE_11A;
 		break;
 	default:
 		BUG_ON(1);
@@ -191,51 +209,6 @@ static u8 parse_mpdudensity(u8 mpdudensi
 	}
 }
 
-static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
-{
-	const struct ath_rate_table *rate_table = NULL;
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_rate *rate;
-	int i, maxrates;
-
-	switch (band) {
-	case IEEE80211_BAND_2GHZ:
-		rate_table = sc->hw_rate_table[ATH9K_MODE_11G];
-		break;
-	case IEEE80211_BAND_5GHZ:
-		rate_table = sc->hw_rate_table[ATH9K_MODE_11A];
-		break;
-	default:
-		break;
-	}
-
-	if (rate_table == NULL)
-		return;
-
-	sband = &sc->sbands[band];
-	rate = sc->rates[band];
-
-	if (rate_table->rate_cnt > ATH_RATE_MAX)
-		maxrates = ATH_RATE_MAX;
-	else
-		maxrates = rate_table->rate_cnt;
-
-	for (i = 0; i < maxrates; i++) {
-		rate[i].bitrate = rate_table->info[i].ratekbps / 100;
-		rate[i].hw_value = rate_table->info[i].ratecode;
-		if (rate_table->info[i].short_preamble) {
-			rate[i].hw_value_short = rate_table->info[i].ratecode |
-				rate_table->info[i].short_preamble;
-			rate[i].flags = IEEE80211_RATE_SHORT_PREAMBLE;
-		}
-		sband->n_bitrates++;
-
-		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
-			  "Rate: %2dMbps, ratecode: %2d\n",
-			  rate[i].bitrate / 10, rate[i].hw_value);
-	}
-}
-
 static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
 						struct ieee80211_hw *hw)
 {
@@ -1713,12 +1686,6 @@ static int ath_init_softc(u16 devid, str
 	/* default to MONITOR mode */
 	sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
 
-	/* Setup rate tables */
-
-	ath_rate_attach(sc);
-	ath_setup_rates(sc, IEEE80211_BAND_2GHZ);
-	ath_setup_rates(sc, IEEE80211_BAND_5GHZ);
-
 	/*
 	 * Allocate hardware transmit queues: one queue for
 	 * beacon frames and one data queue for each QoS
@@ -1839,19 +1806,22 @@ static int ath_init_softc(u16 devid, str
 	/* setup channels and rates */
 
 	sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
-	sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
-		sc->rates[IEEE80211_BAND_2GHZ];
 	sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
 	sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
 		ARRAY_SIZE(ath9k_2ghz_chantable);
+	sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
+	sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
+		ARRAY_SIZE(ath9k_legacy_rates);
 
 	if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
 		sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
-		sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
-			sc->rates[IEEE80211_BAND_5GHZ];
 		sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
 		sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
 			ARRAY_SIZE(ath9k_5ghz_chantable);
+		sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
+			ath9k_legacy_rates + 4;
+		sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
+			ARRAY_SIZE(ath9k_legacy_rates) - 4;
 	}
 
 	switch (ah->btcoex_hw.scheme) {
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -104,6 +104,7 @@ enum {
  */
 struct ath_rate_table {
 	int rate_cnt;
+	int mcs_start;
 	struct {
 		int valid;
 		int valid_single_stream;
@@ -179,8 +180,6 @@ enum ath9k_internal_frame_type {
 	ATH9K_INT_UNPAUSE
 };
 
-void ath_rate_attach(struct ath_softc *sc);
-u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
 int ath_rate_control_register(void);
 void ath_rate_control_unregister(void);
 
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -65,9 +65,9 @@ static void ath_beacon_setup(struct ath_
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_desc *ds;
 	struct ath9k_11n_rate_series series[4];
-	const struct ath_rate_table *rt;
 	int flags, antenna, ctsrate = 0, ctsduration = 0;
-	u8 rate;
+	struct ieee80211_supported_band *sband;
+	u8 rate = 0;
 
 	ds = bf->bf_desc;
 	flags = ATH9K_TXDESC_NOACK;
@@ -91,10 +91,10 @@ static void ath_beacon_setup(struct ath_
 
 	ds->ds_data = bf->bf_buf_addr;
 
-	rt = sc->cur_rate_table;
-	rate = rt->info[0].ratecode;
+	sband = &sc->sbands[common->hw->conf.channel->band];
+	rate = sband->bitrates[0].hw_value;
 	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-		rate |= rt->info[0].short_preamble;
+		rate |= sband->bitrates[0].hw_value_short;
 
 	ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
 			       ATH9K_PKT_TYPE_BEACON,
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -18,6 +18,7 @@
 #define DEBUG_H
 
 #include "hw.h"
+#include "rc.h"
 
 struct ath_txq;
 struct ath_buf;
@@ -138,7 +139,7 @@ void ath9k_exit_debug(struct ath_hw *ah)
 int ath9k_debug_create_root(void);
 void ath9k_debug_remove_root(void);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
+void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
 		       struct ath_buf *bf);
 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
@@ -170,7 +171,7 @@ static inline void ath_debug_stat_interr
 }
 
 static inline void ath_debug_stat_rc(struct ath_softc *sc,
-				     struct sk_buff *skb)
+				     int final_rate)
 {
 }
 
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -255,21 +255,11 @@ static const struct file_operations fops
 	.owner = THIS_MODULE
 };
 
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
+void ath_debug_stat_rc(struct ath_softc *sc, int final_rate)
 {
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ieee80211_tx_rate *rates = tx_info->status.rates;
-	int final_ts_idx = 0, idx, i;
 	struct ath_rc_stats *stats;
 
-	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
-		if (!rates[i].count)
-			break;
-
-		final_ts_idx = i;
-	}
-	idx = rates[final_ts_idx].idx;
-	stats = &sc->debug.stats.rcstats[idx];
+	stats = &sc->debug.stats.rcstats[final_rate];
 	stats->success++;
 }
 
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -149,22 +149,19 @@ bool ath9k_get_channel_edges(struct ath_
 }
 
 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
-			   const struct ath_rate_table *rates,
+			   u8 phy, int kbps,
 			   u32 frameLen, u16 rateix,
 			   bool shortPreamble)
 {
 	u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
-	u32 kbps;
-
-	kbps = rates->info[rateix].ratekbps;
 
 	if (kbps == 0)
 		return 0;
 
-	switch (rates->info[rateix].phy) {
+	switch (phy) {
 	case WLAN_RC_PHY_CCK:
 		phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
-		if (shortPreamble && rates->info[rateix].short_preamble)
+		if (shortPreamble)
 			phyTime >>= 1;
 		numBits = frameLen << 3;
 		txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
@@ -195,8 +192,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw
 		break;
 	default:
 		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
-			  "Unknown phy %u (rate ix %u)\n",
-			  rates->info[rateix].phy, rateix);
+			  "Unknown phy %u (rate ix %u)\n", phy, rateix);
 		txTime = 0;
 		break;
 	}
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -647,7 +647,7 @@ bool ath9k_hw_wait(struct ath_hw *ah, u3
 u32 ath9k_hw_reverse_bits(u32 val, u32 n);
 bool ath9k_get_channel_edges(struct ath_hw *ah, u16 flags, u16 *low, u16 *high);
 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
-			   const struct ath_rate_table *rates,
+			   u8 phy, int kbps,
 			   u32 frameLen, u16 rateix, bool shortPreamble);
 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
 				  struct ath9k_channel *chan,
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -616,7 +616,6 @@ enum ath9k_cipher {
 
 struct ath_hw;
 struct ath9k_channel;
-struct ath_rate_table;
 
 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);