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
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2018-2020, Intel Corporation. */
#include "ice_common.h"
/* These are training packet headers used to program flow director filters. */
static const u8 ice_fdir_tcpv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x28, 0x00, 0x01, 0x00, 0x00, 0x40, 0x06,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const u8 ice_fdir_udpv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x1C, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const u8 ice_fdir_sctpv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x20, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_ipv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x14, 0x00, 0x00, 0x40, 0x00, 0x40, 0x10,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00
};
static const u8 ice_fdir_tcpv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x14, 0x06, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x50, 0x00, 0x20, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const u8 ice_fdir_udpv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x08, 0x11, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x08, 0x00, 0x00,
};
static const u8 ice_fdir_sctpv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x0C, 0x84, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const u8 ice_fdir_ipv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x00, 0x3B, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_tcp4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x5a, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x28, 0x00, 0x00, 0x40, 0x00,
0x40, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x50, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_udp4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x4e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x40, 0x00,
0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_sctp4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x52, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x20, 0x00, 0x01, 0x00, 0x00,
0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_ip4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x46, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_tcp6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x6e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x14, 0x06, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x20, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_udp6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x62, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x08, 0x11, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_sctp6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x66, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x84, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_ip6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x5a, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3b, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
/* Flow Director no-op training packet table */
static const struct ice_fdir_base_pkt ice_fdir_pkt[] = {
{
ICE_FLTR_PTYPE_NONF_IPV4_TCP,
sizeof(ice_fdir_tcpv4_pkt), ice_fdir_tcpv4_pkt,
sizeof(ice_fdir_tcp4_tun_pkt), ice_fdir_tcp4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV4_UDP,
sizeof(ice_fdir_udpv4_pkt), ice_fdir_udpv4_pkt,
sizeof(ice_fdir_udp4_tun_pkt), ice_fdir_udp4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV4_SCTP,
sizeof(ice_fdir_sctpv4_pkt), ice_fdir_sctpv4_pkt,
sizeof(ice_fdir_sctp4_tun_pkt), ice_fdir_sctp4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV4_OTHER,
sizeof(ice_fdir_ipv4_pkt), ice_fdir_ipv4_pkt,
sizeof(ice_fdir_ip4_tun_pkt), ice_fdir_ip4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_TCP,
sizeof(ice_fdir_tcpv6_pkt), ice_fdir_tcpv6_pkt,
sizeof(ice_fdir_tcp6_tun_pkt), ice_fdir_tcp6_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_UDP,
sizeof(ice_fdir_udpv6_pkt), ice_fdir_udpv6_pkt,
sizeof(ice_fdir_udp6_tun_pkt), ice_fdir_udp6_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_SCTP,
sizeof(ice_fdir_sctpv6_pkt), ice_fdir_sctpv6_pkt,
sizeof(ice_fdir_sctp6_tun_pkt), ice_fdir_sctp6_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_OTHER,
sizeof(ice_fdir_ipv6_pkt), ice_fdir_ipv6_pkt,
sizeof(ice_fdir_ip6_tun_pkt), ice_fdir_ip6_tun_pkt,
},
};
#define ICE_FDIR_NUM_PKT ARRAY_SIZE(ice_fdir_pkt)
/**
* ice_set_dflt_val_fd_desc
* @fd_fltr_ctx: pointer to fd filter descriptor
*/
static void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx)
{
fd_fltr_ctx->comp_q = ICE_FXD_FLTR_QW0_COMP_Q_ZERO;
fd_fltr_ctx->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
fd_fltr_ctx->fd_space = ICE_FXD_FLTR_QW0_FD_SPACE_GUAR_BEST;
fd_fltr_ctx->cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
fd_fltr_ctx->evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_TRUE;
fd_fltr_ctx->toq = ICE_FXD_FLTR_QW0_TO_Q_EQUALS_QINDEX;
fd_fltr_ctx->toq_prio = ICE_FXD_FLTR_QW0_TO_Q_PRIO1;
fd_fltr_ctx->dpu_recipe = ICE_FXD_FLTR_QW0_DPU_RECIPE_DFLT;
fd_fltr_ctx->drop = ICE_FXD_FLTR_QW0_DROP_NO;
fd_fltr_ctx->flex_prio = ICE_FXD_FLTR_QW0_FLEX_PRI_NONE;
fd_fltr_ctx->flex_mdid = ICE_FXD_FLTR_QW0_FLEX_MDID0;
fd_fltr_ctx->flex_val = ICE_FXD_FLTR_QW0_FLEX_VAL0;
fd_fltr_ctx->dtype = ICE_TX_DESC_DTYPE_FLTR_PROG;
fd_fltr_ctx->desc_prof_prio = ICE_FXD_FLTR_QW1_PROF_PRIO_ZERO;
fd_fltr_ctx->desc_prof = ICE_FXD_FLTR_QW1_PROF_ZERO;
fd_fltr_ctx->swap = ICE_FXD_FLTR_QW1_SWAP_SET;
fd_fltr_ctx->fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_ONE;
fd_fltr_ctx->fdid_mdid = ICE_FXD_FLTR_QW1_FDID_MDID_FD;
fd_fltr_ctx->fdid = ICE_FXD_FLTR_QW1_FDID_ZERO;
}
/**
* ice_set_fd_desc_val
* @ctx: pointer to fd filter descriptor context
* @fdir_desc: populated with fd filter descriptor values
*/
static void
ice_set_fd_desc_val(struct ice_fd_fltr_desc_ctx *ctx,
struct ice_fltr_desc *fdir_desc)
{
u64 qword;
/* prep QW0 of FD filter programming desc */
qword = ((u64)ctx->qindex << ICE_FXD_FLTR_QW0_QINDEX_S) &
ICE_FXD_FLTR_QW0_QINDEX_M;
qword |= ((u64)ctx->comp_q << ICE_FXD_FLTR_QW0_COMP_Q_S) &
ICE_FXD_FLTR_QW0_COMP_Q_M;
qword |= ((u64)ctx->comp_report << ICE_FXD_FLTR_QW0_COMP_REPORT_S) &
ICE_FXD_FLTR_QW0_COMP_REPORT_M;
qword |= ((u64)ctx->fd_space << ICE_FXD_FLTR_QW0_FD_SPACE_S) &
ICE_FXD_FLTR_QW0_FD_SPACE_M;
qword |= ((u64)ctx->cnt_index << ICE_FXD_FLTR_QW0_STAT_CNT_S) &
ICE_FXD_FLTR_QW0_STAT_CNT_M;
qword |= ((u64)ctx->cnt_ena << ICE_FXD_FLTR_QW0_STAT_ENA_S) &
ICE_FXD_FLTR_QW0_STAT_ENA_M;
qword |= ((u64)ctx->evict_ena << ICE_FXD_FLTR_QW0_EVICT_ENA_S) &
ICE_FXD_FLTR_QW0_EVICT_ENA_M;
qword |= ((u64)ctx->toq << ICE_FXD_FLTR_QW0_TO_Q_S) &
ICE_FXD_FLTR_QW0_TO_Q_M;
qword |= ((u64)ctx->toq_prio << ICE_FXD_FLTR_QW0_TO_Q_PRI_S) &
ICE_FXD_FLTR_QW0_TO_Q_PRI_M;
qword |= ((u64)ctx->dpu_recipe << ICE_FXD_FLTR_QW0_DPU_RECIPE_S) &
ICE_FXD_FLTR_QW0_DPU_RECIPE_M;
qword |= ((u64)ctx->drop << ICE_FXD_FLTR_QW0_DROP_S) &
ICE_FXD_FLTR_QW0_DROP_M;
qword |= ((u64)ctx->flex_prio << ICE_FXD_FLTR_QW0_FLEX_PRI_S) &
ICE_FXD_FLTR_QW0_FLEX_PRI_M;
qword |= ((u64)ctx->flex_mdid << ICE_FXD_FLTR_QW0_FLEX_MDID_S) &
ICE_FXD_FLTR_QW0_FLEX_MDID_M;
qword |= ((u64)ctx->flex_val << ICE_FXD_FLTR_QW0_FLEX_VAL_S) &
ICE_FXD_FLTR_QW0_FLEX_VAL_M;
fdir_desc->qidx_compq_space_stat = cpu_to_le64(qword);
/* prep QW1 of FD filter programming desc */
qword = ((u64)ctx->dtype << ICE_FXD_FLTR_QW1_DTYPE_S) &
ICE_FXD_FLTR_QW1_DTYPE_M;
qword |= ((u64)ctx->pcmd << ICE_FXD_FLTR_QW1_PCMD_S) &
ICE_FXD_FLTR_QW1_PCMD_M;
qword |= ((u64)ctx->desc_prof_prio << ICE_FXD_FLTR_QW1_PROF_PRI_S) &
ICE_FXD_FLTR_QW1_PROF_PRI_M;
qword |= ((u64)ctx->desc_prof << ICE_FXD_FLTR_QW1_PROF_S) &
ICE_FXD_FLTR_QW1_PROF_M;
qword |= ((u64)ctx->fd_vsi << ICE_FXD_FLTR_QW1_FD_VSI_S) &
ICE_FXD_FLTR_QW1_FD_VSI_M;
qword |= ((u64)ctx->swap << ICE_FXD_FLTR_QW1_SWAP_S) &
ICE_FXD_FLTR_QW1_SWAP_M;
qword |= ((u64)ctx->fdid_prio << ICE_FXD_FLTR_QW1_FDID_PRI_S) &
ICE_FXD_FLTR_QW1_FDID_PRI_M;
qword |= ((u64)ctx->fdid_mdid << ICE_FXD_FLTR_QW1_FDID_MDID_S) &
ICE_FXD_FLTR_QW1_FDID_MDID_M;
qword |= ((u64)ctx->fdid << ICE_FXD_FLTR_QW1_FDID_S) &
ICE_FXD_FLTR_QW1_FDID_M;
fdir_desc->dtype_cmd_vsi_fdid = cpu_to_le64(qword);
}
/**
* ice_fdir_get_prgm_desc - set a fdir descriptor from a fdir filter struct
* @hw: pointer to the hardware structure
* @input: filter
* @fdesc: filter descriptor
* @add: if add is true, this is an add operation, false implies delete
*/
void
ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
struct ice_fltr_desc *fdesc, bool add)
{
struct ice_fd_fltr_desc_ctx fdir_fltr_ctx = { 0 };
/* set default context info */
ice_set_dflt_val_fd_desc(&fdir_fltr_ctx);
/* change sideband filtering values */
fdir_fltr_ctx.fdid = input->fltr_id;
if (input->dest_ctl == ICE_FLTR_PRGM_DESC_DEST_DROP_PKT) {
fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_YES;
fdir_fltr_ctx.qindex = 0;
} else {
fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_NO;
fdir_fltr_ctx.qindex = input->q_index;
}
fdir_fltr_ctx.cnt_ena = input->cnt_ena;
fdir_fltr_ctx.cnt_index = input->cnt_index;
fdir_fltr_ctx.fd_vsi = ice_get_hw_vsi_num(hw, input->dest_vsi);
fdir_fltr_ctx.evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE;
fdir_fltr_ctx.toq_prio = 3;
fdir_fltr_ctx.pcmd = add ? ICE_FXD_FLTR_QW1_PCMD_ADD :
ICE_FXD_FLTR_QW1_PCMD_REMOVE;
fdir_fltr_ctx.swap = ICE_FXD_FLTR_QW1_SWAP_NOT_SET;
fdir_fltr_ctx.comp_q = ICE_FXD_FLTR_QW0_COMP_Q_ZERO;
fdir_fltr_ctx.comp_report = input->comp_report;
fdir_fltr_ctx.fdid_prio = input->fdid_prio;
fdir_fltr_ctx.desc_prof = 1;
fdir_fltr_ctx.desc_prof_prio = 3;
ice_set_fd_desc_val(&fdir_fltr_ctx, fdesc);
}
/**
* ice_alloc_fd_res_cntr - obtain counter resource for FD type
* @hw: pointer to the hardware structure
* @cntr_id: returns counter index
*/
enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, cntr_id);
}
/**
* ice_free_fd_res_cntr - Free counter resource for FD type
* @hw: pointer to the hardware structure
* @cntr_id: counter index to be freed
*/
enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id)
{
return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, cntr_id);
}
/**
* ice_alloc_fd_guar_item - allocate resource for FD guaranteed entries
* @hw: pointer to the hardware structure
* @cntr_id: returns counter index
* @num_fltr: number of filter entries to be allocated
*/
enum ice_status
ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_GUARANTEED_ENTRIES,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
cntr_id);
}
/**
* ice_alloc_fd_shrd_item - allocate resource for flow director shared entries
* @hw: pointer to the hardware structure
* @cntr_id: returns counter index
* @num_fltr: number of filter entries to be allocated
*/
enum ice_status
ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_SHARED_ENTRIES,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
cntr_id);
}
/**
* ice_get_fdir_cnt_all - get the number of Flow Director filters
* @hw: hardware data structure
*
* Returns the number of filters available on device
*/
int ice_get_fdir_cnt_all(struct ice_hw *hw)
{
return hw->func_caps.fd_fltr_guar + hw->func_caps.fd_fltr_best_effort;
}
/**
* ice_pkt_insert_ipv6_addr - insert a be32 IPv6 address into a memory buffer
* @pkt: packet buffer
* @offset: offset into buffer
* @addr: IPv6 address to convert and insert into pkt at offset
*/
static void ice_pkt_insert_ipv6_addr(u8 *pkt, int offset, __be32 *addr)
{
int idx;
for (idx = 0; idx < ICE_IPV6_ADDR_LEN_AS_U32; idx++)
memcpy(pkt + offset + idx * sizeof(*addr), &addr[idx],
sizeof(*addr));
}
/**
* ice_pkt_insert_u8 - insert a u8 value into a memory buffer.
* @pkt: packet buffer
* @offset: offset into buffer
* @data: 8 bit value to convert and insert into pkt at offset
*/
static void ice_pkt_insert_u8(u8 *pkt, int offset, u8 data)
{
memcpy(pkt + offset, &data, sizeof(data));
}
/**
* ice_pkt_insert_u8_tc - insert a u8 value into a memory buffer for TC ipv6.
* @pkt: packet buffer
* @offset: offset into buffer
* @data: 8 bit value to convert and insert into pkt at offset
*
* This function is designed for inserting Traffic Class (TC) for IPv6,
* since that TC is not aligned in number of bytes. Here we split it out
* into two part and fill each byte with data copy from pkt, then insert
* the two bytes data one by one.
*/
static void ice_pkt_insert_u8_tc(u8 *pkt, int offset, u8 data)
{
u8 high, low;
high = (data >> 4) + (*(pkt + offset) & 0xF0);
memcpy(pkt + offset, &high, sizeof(high));
low = (*(pkt + offset + 1) & 0x0F) + ((data & 0x0F) << 4);
memcpy(pkt + offset + 1, &low, sizeof(low));
}
/**
* ice_pkt_insert_u16 - insert a be16 value into a memory buffer
* @pkt: packet buffer
* @offset: offset into buffer
* @data: 16 bit value to convert and insert into pkt at offset
*/
static void ice_pkt_insert_u16(u8 *pkt, int offset, __be16 data)
{
memcpy(pkt + offset, &data, sizeof(data));
}
/**
* ice_pkt_insert_u32 - insert a be32 value into a memory buffer
* @pkt: packet buffer
* @offset: offset into buffer
* @data: 32 bit value to convert and insert into pkt at offset
*/
static void ice_pkt_insert_u32(u8 *pkt, int offset, __be32 data)
{
memcpy(pkt + offset, &data, sizeof(data));
}
/**
* ice_pkt_insert_mac_addr - insert a MAC addr into a memory buffer.
* @pkt: packet buffer
* @addr: MAC address to convert and insert into pkt at offset
*/
static void ice_pkt_insert_mac_addr(u8 *pkt, u8 *addr)
{
ether_addr_copy(pkt, addr);
}
/**
* ice_fdir_get_gen_prgm_pkt - generate a training packet
* @hw: pointer to the hardware structure
* @input: flow director filter data structure
* @pkt: pointer to return filter packet
* @frag: generate a fragment packet
* @tun: true implies generate a tunnel packet
*/
enum ice_status
ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
u8 *pkt, bool frag, bool tun)
{
enum ice_fltr_ptype flow;
u16 tnl_port;
u8 *loc;
u16 idx;
if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) {
switch (input->ip.v4.proto) {
case IPPROTO_TCP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
break;
case IPPROTO_UDP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
break;
case IPPROTO_SCTP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
break;
default:
flow = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
break;
}
} else if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) {
switch (input->ip.v6.proto) {
case IPPROTO_TCP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
break;
case IPPROTO_UDP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
break;
case IPPROTO_SCTP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
break;
default:
flow = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
break;
}
} else {
flow = input->flow_type;
}
for (idx = 0; idx < ICE_FDIR_NUM_PKT; idx++)
if (ice_fdir_pkt[idx].flow == flow)
break;
if (idx == ICE_FDIR_NUM_PKT)
return ICE_ERR_PARAM;
if (!tun) {
memcpy(pkt, ice_fdir_pkt[idx].pkt, ice_fdir_pkt[idx].pkt_len);
loc = pkt;
} else {
if (!ice_get_open_tunnel_port(hw, &tnl_port))
return ICE_ERR_DOES_NOT_EXIST;
if (!ice_fdir_pkt[idx].tun_pkt)
return ICE_ERR_PARAM;
memcpy(pkt, ice_fdir_pkt[idx].tun_pkt,
ice_fdir_pkt[idx].tun_pkt_len);
ice_pkt_insert_u16(pkt, ICE_IPV4_UDP_DST_PORT_OFFSET,
htons(tnl_port));
loc = &pkt[ICE_FDIR_TUN_PKT_OFF];
}
/* Reverse the src and dst, since the HW expects them to be from Tx
* perspective. The input from user is from Rx filter perspective.
*/
switch (flow) {
case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_TCP_DST_PORT_OFFSET,
input->ip.v4.src_port);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_TCP_SRC_PORT_OFFSET,
input->ip.v4.dst_port);
ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos);
ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
if (frag)
loc[20] = ICE_FDIR_IPV4_PKT_FLAG_DF;
break;
case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_UDP_DST_PORT_OFFSET,
input->ip.v4.src_port);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_UDP_SRC_PORT_OFFSET,
input->ip.v4.dst_port);
ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos);
ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
ice_pkt_insert_mac_addr(loc + ETH_ALEN,
input->ext_data.src_mac);
break;
case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_DST_PORT_OFFSET,
input->ip.v4.src_port);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_SRC_PORT_OFFSET,
input->ip.v4.dst_port);
ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos);
ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
break;
case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos);
ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl);
ice_pkt_insert_u8(loc, ICE_IPV4_PROTO_OFFSET,
input->ip.v4.proto);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV6_TCP_DST_PORT_OFFSET,
input->ip.v6.src_port);
ice_pkt_insert_u16(loc, ICE_IPV6_TCP_SRC_PORT_OFFSET,
input->ip.v6.dst_port);
ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc);
ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV6_UDP_DST_PORT_OFFSET,
input->ip.v6.src_port);
ice_pkt_insert_u16(loc, ICE_IPV6_UDP_SRC_PORT_OFFSET,
input->ip.v6.dst_port);
ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc);
ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_DST_PORT_OFFSET,
input->ip.v6.src_port);
ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_SRC_PORT_OFFSET,
input->ip.v6.dst_port);
ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc);
ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc);
ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim);
ice_pkt_insert_u8(loc, ICE_IPV6_PROTO_OFFSET,
input->ip.v6.proto);
ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
break;
default:
return ICE_ERR_PARAM;
}
if (input->flex_fltr)
ice_pkt_insert_u16(loc, input->flex_offset, input->flex_word);
return 0;
}
/**
* ice_fdir_has_frag - does flow type have 2 ptypes
* @flow: flow ptype
*
* returns true is there is a fragment packet for this ptype
*/
bool ice_fdir_has_frag(enum ice_fltr_ptype flow)
{
if (flow == ICE_FLTR_PTYPE_NONF_IPV4_OTHER)
return true;
else
return false;
}
/**
* ice_fdir_find_by_idx - find filter with idx
* @hw: pointer to hardware structure
* @fltr_idx: index to find.
*
* Returns pointer to filter if found or null
*/
struct ice_fdir_fltr *
ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx)
{
struct ice_fdir_fltr *rule;
list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
/* rule ID found in the list */
if (fltr_idx == rule->fltr_id)
return rule;
if (fltr_idx < rule->fltr_id)
break;
}
return NULL;
}
/**
* ice_fdir_list_add_fltr - add a new node to the flow director filter list
* @hw: hardware structure
* @fltr: filter node to add to structure
*/
void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *fltr)
{
struct ice_fdir_fltr *rule, *parent = NULL;
list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
/* rule ID found or pass its spot in the list */
if (rule->fltr_id >= fltr->fltr_id)
break;
parent = rule;
}
if (parent)
list_add(&fltr->fltr_node, &parent->fltr_node);
else
list_add(&fltr->fltr_node, &hw->fdir_list_head);
}
/**
* ice_fdir_update_cntrs - increment / decrement filter counter
* @hw: pointer to hardware structure
* @flow: filter flow type
* @add: true implies filters added
*/
void
ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add)
{
int incr;
incr = add ? 1 : -1;
hw->fdir_active_fltr += incr;
if (flow == ICE_FLTR_PTYPE_NONF_NONE || flow >= ICE_FLTR_PTYPE_MAX)
ice_debug(hw, ICE_DBG_SW, "Unknown filter type %d\n", flow);
else
hw->fdir_fltr_cnt[flow] += incr;
}
/**
* ice_cmp_ipv6_addr - compare 2 IP v6 addresses
* @a: IP v6 address
* @b: IP v6 address
*
* Returns 0 on equal, returns non-0 if different
*/
static int ice_cmp_ipv6_addr(__be32 *a, __be32 *b)
{
return memcmp(a, b, 4 * sizeof(__be32));
}
/**
* ice_fdir_comp_rules - compare 2 filters
* @a: a Flow Director filter data structure
* @b: a Flow Director filter data structure
* @v6: bool true if v6 filter
*
* Returns true if the filters match
*/
static bool
ice_fdir_comp_rules(struct ice_fdir_fltr *a, struct ice_fdir_fltr *b, bool v6)
{
enum ice_fltr_ptype flow_type = a->flow_type;
/* The calling function already checks that the two filters have the
* same flow_type.
*/
if (!v6) {
if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_SCTP) {
if (a->ip.v4.dst_ip == b->ip.v4.dst_ip &&
a->ip.v4.src_ip == b->ip.v4.src_ip &&
a->ip.v4.dst_port == b->ip.v4.dst_port &&
a->ip.v4.src_port == b->ip.v4.src_port)
return true;
} else if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) {
if (a->ip.v4.dst_ip == b->ip.v4.dst_ip &&
a->ip.v4.src_ip == b->ip.v4.src_ip &&
a->ip.v4.l4_header == b->ip.v4.l4_header &&
a->ip.v4.proto == b->ip.v4.proto &&
a->ip.v4.ip_ver == b->ip.v4.ip_ver &&
a->ip.v4.tos == b->ip.v4.tos)
return true;
}
} else {
if (flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV6_TCP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV6_SCTP) {
if (a->ip.v6.dst_port == b->ip.v6.dst_port &&
a->ip.v6.src_port == b->ip.v6.src_port &&
!ice_cmp_ipv6_addr(a->ip.v6.dst_ip,
b->ip.v6.dst_ip) &&
!ice_cmp_ipv6_addr(a->ip.v6.src_ip,
b->ip.v6.src_ip))
return true;
} else if (flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) {
if (a->ip.v6.dst_port == b->ip.v6.dst_port &&
a->ip.v6.src_port == b->ip.v6.src_port)
return true;
}
}
return false;
}
/**
* ice_fdir_is_dup_fltr - test if filter is already in list for PF
* @hw: hardware data structure
* @input: Flow Director filter data structure
*
* Returns true if the filter is found in the list
*/
bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input)
{
struct ice_fdir_fltr *rule;
bool ret = false;
list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
enum ice_fltr_ptype flow_type;
if (rule->flow_type != input->flow_type)
continue;
flow_type = input->flow_type;
if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_SCTP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER)
ret = ice_fdir_comp_rules(rule, input, false);
else
ret = ice_fdir_comp_rules(rule, input, true);
if (ret) {
if (rule->fltr_id == input->fltr_id &&
rule->q_index != input->q_index)
ret = false;
else
break;
}
}
return ret;
}
|