-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
Copy pathiavf_ethdev.c
2970 lines (2499 loc) · 78.4 KB
/
iavf_ethdev.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
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Intel Corporation
*/
#include <ctype.h>
#include <sys/queue.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <inttypes.h>
#include <rte_byteorder.h>
#include <rte_common.h>
#include <rte_interrupts.h>
#include <rte_debug.h>
#include <rte_pci.h>
#include <rte_alarm.h>
#include <rte_atomic.h>
#include <rte_eal.h>
#include <rte_ether.h>
#include <ethdev_driver.h>
#include <ethdev_pci.h>
#include <rte_malloc.h>
#include <rte_memzone.h>
#include <dev_driver.h>
#include "iavf.h"
#include "iavf_rxtx.h"
#include "iavf_generic_flow.h"
#include "rte_pmd_iavf.h"
#include "iavf_ipsec_crypto.h"
/* devargs */
#define IAVF_PROTO_XTR_ARG "proto_xtr"
#define IAVF_QUANTA_SIZE_ARG "quanta_size"
#define IAVF_RESET_WATCHDOG_ARG "watchdog_period"
uint64_t iavf_timestamp_dynflag;
int iavf_timestamp_dynfield_offset = -1;
static const char * const iavf_valid_args[] = {
IAVF_PROTO_XTR_ARG,
IAVF_QUANTA_SIZE_ARG,
IAVF_RESET_WATCHDOG_ARG,
NULL
};
static const struct rte_mbuf_dynfield iavf_proto_xtr_metadata_param = {
.name = "intel_pmd_dynfield_proto_xtr_metadata",
.size = sizeof(uint32_t),
.align = __alignof__(uint32_t),
.flags = 0,
};
struct iavf_proto_xtr_ol {
const struct rte_mbuf_dynflag param;
uint64_t *ol_flag;
bool required;
};
static struct iavf_proto_xtr_ol iavf_proto_xtr_params[] = {
[IAVF_PROTO_XTR_VLAN] = {
.param = { .name = "intel_pmd_dynflag_proto_xtr_vlan" },
.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_vlan_mask },
[IAVF_PROTO_XTR_IPV4] = {
.param = { .name = "intel_pmd_dynflag_proto_xtr_ipv4" },
.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv4_mask },
[IAVF_PROTO_XTR_IPV6] = {
.param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6" },
.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_mask },
[IAVF_PROTO_XTR_IPV6_FLOW] = {
.param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6_flow" },
.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_flow_mask },
[IAVF_PROTO_XTR_TCP] = {
.param = { .name = "intel_pmd_dynflag_proto_xtr_tcp" },
.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_tcp_mask },
[IAVF_PROTO_XTR_IP_OFFSET] = {
.param = { .name = "intel_pmd_dynflag_proto_xtr_ip_offset" },
.ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ip_offset_mask },
[IAVF_PROTO_XTR_IPSEC_CRYPTO_SAID] = {
.param = {
.name = "intel_pmd_dynflag_proto_xtr_ipsec_crypto_said" },
.ol_flag =
&rte_pmd_ifd_dynflag_proto_xtr_ipsec_crypto_said_mask },
};
static int iavf_dev_configure(struct rte_eth_dev *dev);
static int iavf_dev_start(struct rte_eth_dev *dev);
static int iavf_dev_stop(struct rte_eth_dev *dev);
static int iavf_dev_close(struct rte_eth_dev *dev);
static int iavf_dev_reset(struct rte_eth_dev *dev);
static int iavf_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
static int iavf_dev_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats);
static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
static int iavf_dev_xstats_reset(struct rte_eth_dev *dev);
static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats, unsigned int n);
static int iavf_dev_xstats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
unsigned int limit);
static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
struct rte_ether_addr *addr,
uint32_t index,
uint32_t pool);
static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
uint16_t vlan_id, int on);
static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
struct rte_ether_addr *mac_addr);
static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
uint16_t queue_id);
static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
uint16_t queue_id);
static void iavf_dev_interrupt_handler(void *param);
static inline void iavf_disable_irq0(struct iavf_hw *hw);
static int iavf_dev_flow_ops_get(struct rte_eth_dev *dev,
const struct rte_flow_ops **ops);
static int iavf_set_mc_addr_list(struct rte_eth_dev *dev,
struct rte_ether_addr *mc_addrs,
uint32_t mc_addrs_num);
static int iavf_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg);
static const struct rte_pci_id pci_id_iavf_map[] = {
{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_VF) },
{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_VF_HV) },
{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_X722_VF) },
{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_X722_A0_VF) },
{ .vendor_id = 0, /* sentinel */ },
};
struct rte_iavf_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
unsigned int offset;
};
#define _OFF_OF(a) offsetof(struct iavf_eth_xstats, a)
static const struct rte_iavf_xstats_name_off rte_iavf_stats_strings[] = {
{"rx_bytes", _OFF_OF(eth_stats.rx_bytes)},
{"rx_unicast_packets", _OFF_OF(eth_stats.rx_unicast)},
{"rx_multicast_packets", _OFF_OF(eth_stats.rx_multicast)},
{"rx_broadcast_packets", _OFF_OF(eth_stats.rx_broadcast)},
{"rx_dropped_packets", _OFF_OF(eth_stats.rx_discards)},
{"rx_unknown_protocol_packets", offsetof(struct iavf_eth_stats,
rx_unknown_protocol)},
{"tx_bytes", _OFF_OF(eth_stats.tx_bytes)},
{"tx_unicast_packets", _OFF_OF(eth_stats.tx_unicast)},
{"tx_multicast_packets", _OFF_OF(eth_stats.tx_multicast)},
{"tx_broadcast_packets", _OFF_OF(eth_stats.tx_broadcast)},
{"tx_dropped_packets", _OFF_OF(eth_stats.tx_discards)},
{"tx_error_packets", _OFF_OF(eth_stats.tx_errors)},
{"inline_ipsec_crypto_ipackets", _OFF_OF(ips_stats.icount)},
{"inline_ipsec_crypto_ibytes", _OFF_OF(ips_stats.ibytes)},
{"inline_ipsec_crypto_ierrors", _OFF_OF(ips_stats.ierrors.count)},
{"inline_ipsec_crypto_ierrors_sad_lookup",
_OFF_OF(ips_stats.ierrors.sad_miss)},
{"inline_ipsec_crypto_ierrors_not_processed",
_OFF_OF(ips_stats.ierrors.not_processed)},
{"inline_ipsec_crypto_ierrors_icv_fail",
_OFF_OF(ips_stats.ierrors.icv_check)},
{"inline_ipsec_crypto_ierrors_length",
_OFF_OF(ips_stats.ierrors.ipsec_length)},
{"inline_ipsec_crypto_ierrors_misc",
_OFF_OF(ips_stats.ierrors.misc)},
};
#undef _OFF_OF
#define IAVF_NB_XSTATS (sizeof(rte_iavf_stats_strings) / \
sizeof(rte_iavf_stats_strings[0]))
static const struct eth_dev_ops iavf_eth_dev_ops = {
.dev_configure = iavf_dev_configure,
.dev_start = iavf_dev_start,
.dev_stop = iavf_dev_stop,
.dev_close = iavf_dev_close,
.dev_reset = iavf_dev_reset,
.dev_infos_get = iavf_dev_info_get,
.dev_supported_ptypes_get = iavf_dev_supported_ptypes_get,
.link_update = iavf_dev_link_update,
.stats_get = iavf_dev_stats_get,
.stats_reset = iavf_dev_stats_reset,
.xstats_get = iavf_dev_xstats_get,
.xstats_get_names = iavf_dev_xstats_get_names,
.xstats_reset = iavf_dev_xstats_reset,
.promiscuous_enable = iavf_dev_promiscuous_enable,
.promiscuous_disable = iavf_dev_promiscuous_disable,
.allmulticast_enable = iavf_dev_allmulticast_enable,
.allmulticast_disable = iavf_dev_allmulticast_disable,
.mac_addr_add = iavf_dev_add_mac_addr,
.mac_addr_remove = iavf_dev_del_mac_addr,
.set_mc_addr_list = iavf_set_mc_addr_list,
.vlan_filter_set = iavf_dev_vlan_filter_set,
.vlan_offload_set = iavf_dev_vlan_offload_set,
.rx_queue_start = iavf_dev_rx_queue_start,
.rx_queue_stop = iavf_dev_rx_queue_stop,
.tx_queue_start = iavf_dev_tx_queue_start,
.tx_queue_stop = iavf_dev_tx_queue_stop,
.rx_queue_setup = iavf_dev_rx_queue_setup,
.rx_queue_release = iavf_dev_rx_queue_release,
.tx_queue_setup = iavf_dev_tx_queue_setup,
.tx_queue_release = iavf_dev_tx_queue_release,
.mac_addr_set = iavf_dev_set_default_mac_addr,
.reta_update = iavf_dev_rss_reta_update,
.reta_query = iavf_dev_rss_reta_query,
.rss_hash_update = iavf_dev_rss_hash_update,
.rss_hash_conf_get = iavf_dev_rss_hash_conf_get,
.rxq_info_get = iavf_dev_rxq_info_get,
.txq_info_get = iavf_dev_txq_info_get,
.mtu_set = iavf_dev_mtu_set,
.rx_queue_intr_enable = iavf_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = iavf_dev_rx_queue_intr_disable,
.flow_ops_get = iavf_dev_flow_ops_get,
.tx_done_cleanup = iavf_dev_tx_done_cleanup,
.get_monitor_addr = iavf_get_monitor_addr,
.tm_ops_get = iavf_tm_ops_get,
};
static int
iavf_tm_ops_get(struct rte_eth_dev *dev,
void *arg)
{
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
if (adapter->closed)
return -EIO;
if (!arg)
return -EINVAL;
*(const void **)arg = &iavf_tm_ops;
return 0;
}
__rte_unused
static int
iavf_vfr_inprogress(struct iavf_hw *hw)
{
int inprogress = 0;
if ((IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
IAVF_VFGEN_RSTAT_VFR_STATE_MASK) ==
VIRTCHNL_VFR_INPROGRESS)
inprogress = 1;
if (inprogress)
PMD_DRV_LOG(INFO, "Watchdog detected VFR in progress");
return inprogress;
}
__rte_unused
static void
iavf_dev_watchdog(void *cb_arg)
{
struct iavf_adapter *adapter = cb_arg;
struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
int vfr_inprogress = 0, rc = 0;
/* check if watchdog has been disabled since last call */
if (!adapter->vf.watchdog_enabled)
return;
/* If in reset then poll vfr_inprogress register for completion */
if (adapter->vf.vf_reset) {
vfr_inprogress = iavf_vfr_inprogress(hw);
if (!vfr_inprogress) {
PMD_DRV_LOG(INFO, "VF \"%s\" reset has completed",
adapter->vf.eth_dev->data->name);
adapter->vf.vf_reset = false;
}
/* If not in reset then poll vfr_inprogress register for VFLR event */
} else {
vfr_inprogress = iavf_vfr_inprogress(hw);
if (vfr_inprogress) {
PMD_DRV_LOG(INFO,
"VF \"%s\" reset event detected by watchdog",
adapter->vf.eth_dev->data->name);
/* enter reset state with VFLR event */
adapter->vf.vf_reset = true;
adapter->vf.link_up = false;
rte_eth_dev_callback_process(adapter->vf.eth_dev,
RTE_ETH_EVENT_INTR_RESET, NULL);
}
}
if (adapter->devargs.watchdog_period) {
/* re-alarm watchdog */
rc = rte_eal_alarm_set(adapter->devargs.watchdog_period,
&iavf_dev_watchdog, cb_arg);
if (rc)
PMD_DRV_LOG(ERR, "Failed \"%s\" to reset device watchdog alarm",
adapter->vf.eth_dev->data->name);
}
}
void
iavf_dev_watchdog_enable(struct iavf_adapter *adapter)
{
if (adapter->devargs.watchdog_period && !adapter->vf.watchdog_enabled) {
PMD_DRV_LOG(INFO, "Enabling device watchdog, period is %dμs",
adapter->devargs.watchdog_period);
adapter->vf.watchdog_enabled = true;
if (rte_eal_alarm_set(adapter->devargs.watchdog_period,
&iavf_dev_watchdog, (void *)adapter))
PMD_DRV_LOG(ERR, "Failed to enabled device watchdog");
} else {
PMD_DRV_LOG(INFO, "Device watchdog is disabled");
}
}
void
iavf_dev_watchdog_disable(struct iavf_adapter *adapter)
{
if (adapter->devargs.watchdog_period && adapter->vf.watchdog_enabled) {
PMD_DRV_LOG(INFO, "Disabling device watchdog");
adapter->vf.watchdog_enabled = false;
}
}
static int
iavf_set_mc_addr_list(struct rte_eth_dev *dev,
struct rte_ether_addr *mc_addrs,
uint32_t mc_addrs_num)
{
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
int err, ret;
if (mc_addrs_num > IAVF_NUM_MACADDR_MAX) {
PMD_DRV_LOG(ERR,
"can't add more than a limited number (%u) of addresses.",
(uint32_t)IAVF_NUM_MACADDR_MAX);
return -EINVAL;
}
if (adapter->closed)
return -EIO;
/* flush previous addresses */
err = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
false);
if (err)
return err;
/* add new ones */
err = iavf_add_del_mc_addr_list(adapter, mc_addrs, mc_addrs_num, true);
if (err) {
/* if adding mac address list fails, should add the previous
* addresses back.
*/
ret = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs,
vf->mc_addrs_num, true);
if (ret)
return ret;
} else {
vf->mc_addrs_num = mc_addrs_num;
memcpy(vf->mc_addrs,
mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
}
return err;
}
static void
iavf_config_rss_hf(struct iavf_adapter *adapter, uint64_t rss_hf)
{
static const uint64_t map_hena_rss[] = {
/* IPv4 */
[IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP] =
RTE_ETH_RSS_NONFRAG_IPV4_UDP,
[IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP] =
RTE_ETH_RSS_NONFRAG_IPV4_UDP,
[IAVF_FILTER_PCTYPE_NONF_IPV4_UDP] =
RTE_ETH_RSS_NONFRAG_IPV4_UDP,
[IAVF_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK] =
RTE_ETH_RSS_NONFRAG_IPV4_TCP,
[IAVF_FILTER_PCTYPE_NONF_IPV4_TCP] =
RTE_ETH_RSS_NONFRAG_IPV4_TCP,
[IAVF_FILTER_PCTYPE_NONF_IPV4_SCTP] =
RTE_ETH_RSS_NONFRAG_IPV4_SCTP,
[IAVF_FILTER_PCTYPE_NONF_IPV4_OTHER] =
RTE_ETH_RSS_NONFRAG_IPV4_OTHER,
[IAVF_FILTER_PCTYPE_FRAG_IPV4] = RTE_ETH_RSS_FRAG_IPV4,
/* IPv6 */
[IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP] =
RTE_ETH_RSS_NONFRAG_IPV6_UDP,
[IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP] =
RTE_ETH_RSS_NONFRAG_IPV6_UDP,
[IAVF_FILTER_PCTYPE_NONF_IPV6_UDP] =
RTE_ETH_RSS_NONFRAG_IPV6_UDP,
[IAVF_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK] =
RTE_ETH_RSS_NONFRAG_IPV6_TCP,
[IAVF_FILTER_PCTYPE_NONF_IPV6_TCP] =
RTE_ETH_RSS_NONFRAG_IPV6_TCP,
[IAVF_FILTER_PCTYPE_NONF_IPV6_SCTP] =
RTE_ETH_RSS_NONFRAG_IPV6_SCTP,
[IAVF_FILTER_PCTYPE_NONF_IPV6_OTHER] =
RTE_ETH_RSS_NONFRAG_IPV6_OTHER,
[IAVF_FILTER_PCTYPE_FRAG_IPV6] = RTE_ETH_RSS_FRAG_IPV6,
/* L2 Payload */
[IAVF_FILTER_PCTYPE_L2_PAYLOAD] = RTE_ETH_RSS_L2_PAYLOAD
};
const uint64_t ipv4_rss = RTE_ETH_RSS_NONFRAG_IPV4_UDP |
RTE_ETH_RSS_NONFRAG_IPV4_TCP |
RTE_ETH_RSS_NONFRAG_IPV4_SCTP |
RTE_ETH_RSS_NONFRAG_IPV4_OTHER |
RTE_ETH_RSS_FRAG_IPV4;
const uint64_t ipv6_rss = RTE_ETH_RSS_NONFRAG_IPV6_UDP |
RTE_ETH_RSS_NONFRAG_IPV6_TCP |
RTE_ETH_RSS_NONFRAG_IPV6_SCTP |
RTE_ETH_RSS_NONFRAG_IPV6_OTHER |
RTE_ETH_RSS_FRAG_IPV6;
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
uint64_t caps = 0, hena = 0, valid_rss_hf = 0;
uint32_t i;
int ret;
ret = iavf_get_hena_caps(adapter, &caps);
if (ret) {
/**
* RSS offload type configuration is not a necessary feature
* for VF, so here just print a warning and return.
*/
PMD_DRV_LOG(WARNING,
"fail to get RSS offload type caps, ret: %d", ret);
return;
}
/**
* RTE_ETH_RSS_IPV4 and RTE_ETH_RSS_IPV6 can be considered as 2
* generalizations of all other IPv4 and IPv6 RSS types.
*/
if (rss_hf & RTE_ETH_RSS_IPV4)
rss_hf |= ipv4_rss;
if (rss_hf & RTE_ETH_RSS_IPV6)
rss_hf |= ipv6_rss;
RTE_BUILD_BUG_ON(RTE_DIM(map_hena_rss) > sizeof(uint64_t) * CHAR_BIT);
for (i = 0; i < RTE_DIM(map_hena_rss); i++) {
uint64_t bit = BIT_ULL(i);
if ((caps & bit) && (map_hena_rss[i] & rss_hf)) {
valid_rss_hf |= map_hena_rss[i];
hena |= bit;
}
}
ret = iavf_set_hena(adapter, hena);
if (ret) {
/**
* RSS offload type configuration is not a necessary feature
* for VF, so here just print a warning and return.
*/
PMD_DRV_LOG(WARNING,
"fail to set RSS offload types, ret: %d", ret);
return;
}
if (valid_rss_hf & ipv4_rss)
valid_rss_hf |= rss_hf & RTE_ETH_RSS_IPV4;
if (valid_rss_hf & ipv6_rss)
valid_rss_hf |= rss_hf & RTE_ETH_RSS_IPV6;
if (rss_hf & ~valid_rss_hf)
PMD_DRV_LOG(WARNING, "Unsupported rss_hf 0x%" PRIx64,
rss_hf & ~valid_rss_hf);
vf->rss_hf = valid_rss_hf;
}
static int
iavf_init_rss(struct iavf_adapter *adapter)
{
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
struct rte_eth_rss_conf *rss_conf;
uint16_t i, j, nb_q;
int ret;
rss_conf = &adapter->dev_data->dev_conf.rx_adv_conf.rss_conf;
nb_q = RTE_MIN(adapter->dev_data->nb_rx_queues,
vf->max_rss_qregion);
if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
PMD_DRV_LOG(DEBUG, "RSS is not supported");
return -ENOTSUP;
}
/* configure RSS key */
if (!rss_conf->rss_key) {
/* Calculate the default hash key */
for (i = 0; i < vf->vf_res->rss_key_size; i++)
vf->rss_key[i] = (uint8_t)rte_rand();
} else
rte_memcpy(vf->rss_key, rss_conf->rss_key,
RTE_MIN(rss_conf->rss_key_len,
vf->vf_res->rss_key_size));
/* init RSS LUT table */
for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
if (j >= nb_q)
j = 0;
vf->rss_lut[i] = j;
}
/* send virtchnl ops to configure RSS */
ret = iavf_configure_rss_lut(adapter);
if (ret)
return ret;
ret = iavf_configure_rss_key(adapter);
if (ret)
return ret;
if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) {
/* Set RSS hash configuration based on rss_conf->rss_hf. */
ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
if (ret) {
PMD_DRV_LOG(ERR, "fail to set default RSS");
return ret;
}
} else {
iavf_config_rss_hf(adapter, rss_conf->rss_hf);
}
return 0;
}
static int
iavf_queues_req_reset(struct rte_eth_dev *dev, uint16_t num)
{
struct iavf_adapter *ad =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
int ret;
ret = iavf_request_queues(dev, num);
if (ret) {
PMD_DRV_LOG(ERR, "request queues from PF failed");
return ret;
}
PMD_DRV_LOG(INFO, "change queue pairs from %u to %u",
vf->vsi_res->num_queue_pairs, num);
iavf_dev_watchdog_disable(ad);
ret = iavf_dev_reset(dev);
if (ret) {
PMD_DRV_LOG(ERR, "vf reset failed");
return ret;
}
return 0;
}
static int
iavf_dev_vlan_insert_set(struct rte_eth_dev *dev)
{
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
bool enable;
if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2))
return 0;
enable = !!(dev->data->dev_conf.txmode.offloads &
RTE_ETH_TX_OFFLOAD_VLAN_INSERT);
iavf_config_vlan_insert_v2(adapter, enable);
return 0;
}
static int
iavf_dev_init_vlan(struct rte_eth_dev *dev)
{
int err;
err = iavf_dev_vlan_offload_set(dev,
RTE_ETH_VLAN_STRIP_MASK |
RTE_ETH_QINQ_STRIP_MASK |
RTE_ETH_VLAN_FILTER_MASK |
RTE_ETH_VLAN_EXTEND_MASK);
if (err) {
PMD_DRV_LOG(ERR, "Failed to update vlan offload");
return err;
}
err = iavf_dev_vlan_insert_set(dev);
if (err)
PMD_DRV_LOG(ERR, "Failed to update vlan insertion");
return err;
}
static int
iavf_dev_configure(struct rte_eth_dev *dev)
{
struct iavf_adapter *ad =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
uint16_t num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
dev->data->nb_tx_queues);
int ret;
if (ad->closed)
return -EIO;
ad->rx_bulk_alloc_allowed = true;
/* Initialize to TRUE. If any of Rx queues doesn't meet the
* vector Rx/Tx preconditions, it will be reset.
*/
ad->rx_vec_allowed = true;
ad->tx_vec_allowed = true;
if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
/* Large VF setting */
if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_DFLT) {
if (!(vf->vf_res->vf_cap_flags &
VIRTCHNL_VF_LARGE_NUM_QPAIRS)) {
PMD_DRV_LOG(ERR, "large VF is not supported");
return -1;
}
if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_LV) {
PMD_DRV_LOG(ERR, "queue pairs number cannot be larger than %u",
IAVF_MAX_NUM_QUEUES_LV);
return -1;
}
ret = iavf_queues_req_reset(dev, num_queue_pairs);
if (ret)
return ret;
ret = iavf_get_max_rss_queue_region(ad);
if (ret) {
PMD_INIT_LOG(ERR, "get max rss queue region failed");
return ret;
}
vf->lv_enabled = true;
} else {
/* Check if large VF is already enabled. If so, disable and
* release redundant queue resource.
* Or check if enough queue pairs. If not, request them from PF.
*/
if (vf->lv_enabled ||
num_queue_pairs > vf->vsi_res->num_queue_pairs) {
ret = iavf_queues_req_reset(dev, num_queue_pairs);
if (ret)
return ret;
vf->lv_enabled = false;
}
/* if large VF is not required, use default rss queue region */
vf->max_rss_qregion = IAVF_MAX_NUM_QUEUES_DFLT;
}
ret = iavf_dev_init_vlan(dev);
if (ret)
PMD_DRV_LOG(ERR, "configure VLAN failed: %d", ret);
if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
if (iavf_init_rss(ad) != 0) {
PMD_DRV_LOG(ERR, "configure rss failed");
return -1;
}
}
return 0;
}
static int
iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
{
struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_eth_dev_data *dev_data = dev->data;
uint16_t buf_size, max_pkt_len;
uint32_t frame_size = dev->data->mtu + IAVF_ETH_OVERHEAD;
enum iavf_status err;
buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
/* Calculate the maximum packet length allowed */
max_pkt_len = RTE_MIN((uint32_t)
rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS,
frame_size);
/* Check if maximum packet length is set correctly. */
if (max_pkt_len <= RTE_ETHER_MIN_LEN ||
max_pkt_len > IAVF_FRAME_SIZE_MAX) {
PMD_DRV_LOG(ERR, "maximum packet length must be "
"larger than %u and smaller than %u",
(uint32_t)IAVF_ETH_MAX_LEN,
(uint32_t)IAVF_FRAME_SIZE_MAX);
return -EINVAL;
}
if (rxq->offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP) {
/* Register mbuf field and flag for Rx timestamp */
err = rte_mbuf_dyn_rx_timestamp_register(
&iavf_timestamp_dynfield_offset,
&iavf_timestamp_dynflag);
if (err) {
PMD_DRV_LOG(ERR,
"Cannot register mbuf field/flag for timestamp");
return -EINVAL;
}
}
rxq->max_pkt_len = max_pkt_len;
if ((dev_data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_SCATTER) ||
rxq->max_pkt_len > buf_size) {
dev_data->scattered_rx = 1;
}
IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
IAVF_WRITE_FLUSH(hw);
return 0;
}
static int
iavf_init_queues(struct rte_eth_dev *dev)
{
struct iavf_rx_queue **rxq =
(struct iavf_rx_queue **)dev->data->rx_queues;
int i, ret = IAVF_SUCCESS;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
if (!rxq[i] || !rxq[i]->q_set)
continue;
ret = iavf_init_rxq(dev, rxq[i]);
if (ret != IAVF_SUCCESS)
break;
}
/* set rx/tx function to vector/scatter/single-segment
* according to parameters
*/
iavf_set_rx_function(dev);
iavf_set_tx_function(dev);
return ret;
}
static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
struct rte_intr_handle *intr_handle)
{
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
struct iavf_qv_map *qv_map;
uint16_t interval, i;
int vec;
if (rte_intr_cap_multiple(intr_handle) &&
dev->data->dev_conf.intr_conf.rxq) {
if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
return -1;
}
if (rte_intr_dp_is_en(intr_handle)) {
if (rte_intr_vec_list_alloc(intr_handle, "intr_vec",
dev->data->nb_rx_queues)) {
PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
dev->data->nb_rx_queues);
return -1;
}
}
qv_map = rte_zmalloc("qv_map",
dev->data->nb_rx_queues * sizeof(struct iavf_qv_map), 0);
if (!qv_map) {
PMD_DRV_LOG(ERR, "Failed to allocate %d queue-vector map",
dev->data->nb_rx_queues);
goto qv_map_alloc_err;
}
if (!dev->data->dev_conf.intr_conf.rxq ||
!rte_intr_dp_is_en(intr_handle)) {
/* Rx interrupt disabled, Map interrupt only for writeback */
vf->nb_msix = 1;
if (vf->vf_res->vf_cap_flags &
VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
/* If WB_ON_ITR supports, enable it */
vf->msix_base = IAVF_RX_VEC_START;
/* Set the ITR for index zero, to 2us to make sure that
* we leave time for aggregation to occur, but don't
* increase latency dramatically.
*/
IAVF_WRITE_REG(hw,
IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
(0 << IAVF_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK |
(2UL << IAVF_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
/* debug - check for success! the return value
* should be 2, offset is 0x2800
*/
/* IAVF_READ_REG(hw, IAVF_VFINT_ITRN1(0, 0)); */
} else {
/* If no WB_ON_ITR offload flags, need to set
* interrupt for descriptor write back.
*/
vf->msix_base = IAVF_MISC_VEC_ID;
/* set ITR to default */
interval = iavf_calc_itr_interval(
IAVF_QUEUE_ITR_INTERVAL_DEFAULT);
IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
IAVF_VFINT_DYN_CTL01_INTENA_MASK |
(IAVF_ITR_INDEX_DEFAULT <<
IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
(interval <<
IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
}
IAVF_WRITE_FLUSH(hw);
/* map all queues to the same interrupt */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
qv_map[i].queue_id = i;
qv_map[i].vector_id = vf->msix_base;
}
vf->qv_map = qv_map;
} else {
if (!rte_intr_allow_others(intr_handle)) {
vf->nb_msix = 1;
vf->msix_base = IAVF_MISC_VEC_ID;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
qv_map[i].queue_id = i;
qv_map[i].vector_id = vf->msix_base;
rte_intr_vec_list_index_set(intr_handle,
i, IAVF_MISC_VEC_ID);
}
vf->qv_map = qv_map;
PMD_DRV_LOG(DEBUG,
"vector %u are mapping to all Rx queues",
vf->msix_base);
} else {
/* If Rx interrupt is required, and we can use
* multi interrupts, then the vec is from 1
*/
vf->nb_msix =
RTE_MIN(rte_intr_nb_efd_get(intr_handle),
(uint16_t)(vf->vf_res->max_vectors - 1));
vf->msix_base = IAVF_RX_VEC_START;
vec = IAVF_RX_VEC_START;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
qv_map[i].queue_id = i;
qv_map[i].vector_id = vec;
rte_intr_vec_list_index_set(intr_handle,
i, vec++);
if (vec >= vf->nb_msix + IAVF_RX_VEC_START)
vec = IAVF_RX_VEC_START;
}
vf->qv_map = qv_map;
PMD_DRV_LOG(DEBUG,
"%u vectors are mapping to %u Rx queues",
vf->nb_msix, dev->data->nb_rx_queues);
}
}
if (!vf->lv_enabled) {
if (iavf_config_irq_map(adapter)) {
PMD_DRV_LOG(ERR, "config interrupt mapping failed");
goto config_irq_map_err;
}
} else {
uint16_t num_qv_maps = dev->data->nb_rx_queues;
uint16_t index = 0;
while (num_qv_maps > IAVF_IRQ_MAP_NUM_PER_BUF) {
if (iavf_config_irq_map_lv(adapter,
IAVF_IRQ_MAP_NUM_PER_BUF, index)) {
PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed");
goto config_irq_map_err;
}
num_qv_maps -= IAVF_IRQ_MAP_NUM_PER_BUF;
index += IAVF_IRQ_MAP_NUM_PER_BUF;
}
if (iavf_config_irq_map_lv(adapter, num_qv_maps, index)) {
PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed");
goto config_irq_map_err;
}
}
return 0;
config_irq_map_err:
rte_free(vf->qv_map);
vf->qv_map = NULL;
qv_map_alloc_err:
rte_intr_vec_list_free(intr_handle);
return -1;
}
static int
iavf_start_queues(struct rte_eth_dev *dev)
{
struct iavf_rx_queue *rxq;
struct iavf_tx_queue *txq;
int i;
uint16_t nb_txq, nb_rxq;
for (nb_txq = 0; nb_txq < dev->data->nb_tx_queues; nb_txq++) {
txq = dev->data->tx_queues[nb_txq];
if (txq->tx_deferred_start)
continue;
if (iavf_dev_tx_queue_start(dev, nb_txq) != 0) {
PMD_DRV_LOG(ERR, "Fail to start tx queue %u", nb_txq);
goto tx_err;
}
}
for (nb_rxq = 0; nb_rxq < dev->data->nb_rx_queues; nb_rxq++) {
rxq = dev->data->rx_queues[nb_rxq];
if (rxq->rx_deferred_start)
continue;
if (iavf_dev_rx_queue_start(dev, nb_rxq) != 0) {
PMD_DRV_LOG(ERR, "Fail to start rx queue %u", nb_rxq);
goto rx_err;
}
}
return 0;
rx_err:
for (i = 0; i < nb_rxq; i++)
iavf_dev_rx_queue_stop(dev, i);
tx_err:
for (i = 0; i < nb_txq; i++)
iavf_dev_tx_queue_stop(dev, i);
return -1;
}
static int
iavf_dev_start(struct rte_eth_dev *dev)
{
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct rte_intr_handle *intr_handle = dev->intr_handle;
uint16_t num_queue_pairs;
uint16_t index = 0;
PMD_INIT_FUNC_TRACE();
if (adapter->closed)
return -1;
adapter->stopped = 0;
vf->max_pkt_len = dev->data->mtu + IAVF_ETH_OVERHEAD;
vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
dev->data->nb_tx_queues);
num_queue_pairs = vf->num_queue_pairs;
if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)
if (iavf_get_qos_cap(adapter)) {
PMD_INIT_LOG(ERR, "Failed to get qos capability");
return -1;