-
Notifications
You must be signed in to change notification settings - Fork 756
/
ixgbe_main.c
6878 lines (5951 loc) · 169 KB
/
ixgbe_main.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
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright(c) 2007-2010 Intel Corporation. All rights reserved.
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2020 Joyent, Inc.
* Copyright 2012 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 Saso Kiselkov. All rights reserved.
* Copyright (c) 2013 OSN Online Service Nuernberg GmbH. All rights reserved.
* Copyright 2016 OmniTI Computer Consulting, Inc. All rights reserved.
* Copyright 2020 Oxide Computer Company
*/
#include "ixgbe_sw.h"
static char ixgbe_ident[] = "Intel 10Gb Ethernet";
/*
* Local function protoypes
*/
static int ixgbe_register_mac(ixgbe_t *);
static int ixgbe_identify_hardware(ixgbe_t *);
static int ixgbe_regs_map(ixgbe_t *);
static void ixgbe_init_properties(ixgbe_t *);
static int ixgbe_init_driver_settings(ixgbe_t *);
static void ixgbe_init_locks(ixgbe_t *);
static void ixgbe_destroy_locks(ixgbe_t *);
static int ixgbe_init(ixgbe_t *);
static int ixgbe_chip_start(ixgbe_t *);
static void ixgbe_chip_stop(ixgbe_t *);
static int ixgbe_reset(ixgbe_t *);
static void ixgbe_tx_clean(ixgbe_t *);
static boolean_t ixgbe_tx_drain(ixgbe_t *);
static boolean_t ixgbe_rx_drain(ixgbe_t *);
static int ixgbe_alloc_rings(ixgbe_t *);
static void ixgbe_free_rings(ixgbe_t *);
static int ixgbe_alloc_rx_data(ixgbe_t *);
static void ixgbe_free_rx_data(ixgbe_t *);
static int ixgbe_setup_rings(ixgbe_t *);
static int ixgbe_setup_rx(ixgbe_t *);
static void ixgbe_setup_tx(ixgbe_t *);
static void ixgbe_setup_rx_ring(ixgbe_rx_ring_t *);
static void ixgbe_setup_tx_ring(ixgbe_tx_ring_t *);
static void ixgbe_setup_rss(ixgbe_t *);
static void ixgbe_setup_vmdq(ixgbe_t *);
static void ixgbe_setup_vmdq_rss(ixgbe_t *);
static void ixgbe_setup_rss_table(ixgbe_t *);
static void ixgbe_init_unicst(ixgbe_t *);
static int ixgbe_init_vlan(ixgbe_t *);
static int ixgbe_unicst_find(ixgbe_t *, const uint8_t *);
static void ixgbe_setup_multicst(ixgbe_t *);
static void ixgbe_get_hw_state(ixgbe_t *);
static void ixgbe_setup_vmdq_rss_conf(ixgbe_t *ixgbe);
static void ixgbe_get_conf(ixgbe_t *);
static void ixgbe_init_params(ixgbe_t *);
static int ixgbe_get_prop(ixgbe_t *, char *, int, int, int);
static void ixgbe_driver_link_check(ixgbe_t *);
static void ixgbe_sfp_check(void *);
static void ixgbe_overtemp_check(void *);
static void ixgbe_phy_check(void *);
static void ixgbe_link_timer(void *);
static void ixgbe_local_timer(void *);
static void ixgbe_arm_watchdog_timer(ixgbe_t *);
static void ixgbe_restart_watchdog_timer(ixgbe_t *);
static void ixgbe_disable_adapter_interrupts(ixgbe_t *);
static void ixgbe_enable_adapter_interrupts(ixgbe_t *);
static boolean_t is_valid_mac_addr(uint8_t *);
static boolean_t ixgbe_stall_check(ixgbe_t *);
static boolean_t ixgbe_set_loopback_mode(ixgbe_t *, uint32_t);
static void ixgbe_set_internal_mac_loopback(ixgbe_t *);
static boolean_t ixgbe_find_mac_address(ixgbe_t *);
static int ixgbe_alloc_intrs(ixgbe_t *);
static int ixgbe_alloc_intr_handles(ixgbe_t *, int);
static int ixgbe_add_intr_handlers(ixgbe_t *);
static void ixgbe_map_rxring_to_vector(ixgbe_t *, int, int);
static void ixgbe_map_txring_to_vector(ixgbe_t *, int, int);
static void ixgbe_setup_ivar(ixgbe_t *, uint16_t, uint8_t, int8_t);
static void ixgbe_enable_ivar(ixgbe_t *, uint16_t, int8_t);
static void ixgbe_disable_ivar(ixgbe_t *, uint16_t, int8_t);
static uint32_t ixgbe_get_hw_rx_index(ixgbe_t *ixgbe, uint32_t sw_rx_index);
static int ixgbe_map_intrs_to_vectors(ixgbe_t *);
static void ixgbe_setup_adapter_vector(ixgbe_t *);
static void ixgbe_rem_intr_handlers(ixgbe_t *);
static void ixgbe_rem_intrs(ixgbe_t *);
static int ixgbe_enable_intrs(ixgbe_t *);
static int ixgbe_disable_intrs(ixgbe_t *);
static uint_t ixgbe_intr_legacy(void *, void *);
static uint_t ixgbe_intr_msi(void *, void *);
static uint_t ixgbe_intr_msix(void *, void *);
static void ixgbe_intr_rx_work(ixgbe_rx_ring_t *);
static void ixgbe_intr_tx_work(ixgbe_tx_ring_t *);
static void ixgbe_intr_other_work(ixgbe_t *, uint32_t);
static void ixgbe_get_driver_control(struct ixgbe_hw *);
static int ixgbe_addmac(void *, const uint8_t *);
static int ixgbe_remmac(void *, const uint8_t *);
static int ixgbe_addvlan(mac_group_driver_t, uint16_t);
static int ixgbe_remvlan(mac_group_driver_t, uint16_t);
static void ixgbe_release_driver_control(struct ixgbe_hw *);
static int ixgbe_attach(dev_info_t *, ddi_attach_cmd_t);
static int ixgbe_detach(dev_info_t *, ddi_detach_cmd_t);
static int ixgbe_resume(dev_info_t *);
static int ixgbe_suspend(dev_info_t *);
static int ixgbe_quiesce(dev_info_t *);
static void ixgbe_unconfigure(dev_info_t *, ixgbe_t *);
static uint8_t *ixgbe_mc_table_itr(struct ixgbe_hw *, uint8_t **, uint32_t *);
static int ixgbe_cbfunc(dev_info_t *, ddi_cb_action_t, void *, void *, void *);
static int ixgbe_intr_cb_register(ixgbe_t *);
static int ixgbe_intr_adjust(ixgbe_t *, ddi_cb_action_t, int);
static int ixgbe_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err,
const void *impl_data);
static void ixgbe_fm_init(ixgbe_t *);
static void ixgbe_fm_fini(ixgbe_t *);
static int ixgbe_ufm_fill_image(ddi_ufm_handle_t *, void *arg, uint_t,
ddi_ufm_image_t *);
static int ixgbe_ufm_fill_slot(ddi_ufm_handle_t *, void *, uint_t, uint_t,
ddi_ufm_slot_t *);
static int ixgbe_ufm_getcaps(ddi_ufm_handle_t *, void *, ddi_ufm_cap_t *);
static int ixgbe_ufm_readimg(ddi_ufm_handle_t *, void *, uint_t, uint_t,
uint64_t, uint64_t, void *, uint64_t *);
char *ixgbe_priv_props[] = {
"_tx_copy_thresh",
"_tx_recycle_thresh",
"_tx_overload_thresh",
"_tx_resched_thresh",
"_rx_copy_thresh",
"_rx_limit_per_intr",
"_intr_throttling",
"_adv_pause_cap",
"_adv_asym_pause_cap",
NULL
};
#define IXGBE_MAX_PRIV_PROPS \
(sizeof (ixgbe_priv_props) / sizeof (mac_priv_prop_t))
static struct cb_ops ixgbe_cb_ops = {
nulldev, /* cb_open */
nulldev, /* cb_close */
nodev, /* cb_strategy */
nodev, /* cb_print */
nodev, /* cb_dump */
nodev, /* cb_read */
nodev, /* cb_write */
nodev, /* cb_ioctl */
nodev, /* cb_devmap */
nodev, /* cb_mmap */
nodev, /* cb_segmap */
nochpoll, /* cb_chpoll */
ddi_prop_op, /* cb_prop_op */
NULL, /* cb_stream */
D_MP | D_HOTPLUG, /* cb_flag */
CB_REV, /* cb_rev */
nodev, /* cb_aread */
nodev /* cb_awrite */
};
static struct dev_ops ixgbe_dev_ops = {
DEVO_REV, /* devo_rev */
0, /* devo_refcnt */
NULL, /* devo_getinfo */
nulldev, /* devo_identify */
nulldev, /* devo_probe */
ixgbe_attach, /* devo_attach */
ixgbe_detach, /* devo_detach */
nodev, /* devo_reset */
&ixgbe_cb_ops, /* devo_cb_ops */
NULL, /* devo_bus_ops */
ddi_power, /* devo_power */
ixgbe_quiesce, /* devo_quiesce */
};
static struct modldrv ixgbe_modldrv = {
&mod_driverops, /* Type of module. This one is a driver */
ixgbe_ident, /* Discription string */
&ixgbe_dev_ops /* driver ops */
};
static struct modlinkage ixgbe_modlinkage = {
MODREV_1, &ixgbe_modldrv, NULL
};
/*
* Access attributes for register mapping
*/
ddi_device_acc_attr_t ixgbe_regs_acc_attr = {
DDI_DEVICE_ATTR_V1,
DDI_STRUCTURE_LE_ACC,
DDI_STRICTORDER_ACC,
DDI_FLAGERR_ACC
};
/*
* Loopback property
*/
static lb_property_t lb_normal = {
normal, "normal", IXGBE_LB_NONE
};
static lb_property_t lb_mac = {
internal, "MAC", IXGBE_LB_INTERNAL_MAC
};
static lb_property_t lb_external = {
external, "External", IXGBE_LB_EXTERNAL
};
#define IXGBE_M_CALLBACK_FLAGS \
(MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP | MC_PROPINFO)
static mac_callbacks_t ixgbe_m_callbacks = {
IXGBE_M_CALLBACK_FLAGS,
ixgbe_m_stat,
ixgbe_m_start,
ixgbe_m_stop,
ixgbe_m_promisc,
ixgbe_m_multicst,
NULL,
NULL,
NULL,
ixgbe_m_ioctl,
ixgbe_m_getcapab,
NULL,
NULL,
ixgbe_m_setprop,
ixgbe_m_getprop,
ixgbe_m_propinfo
};
/*
* Initialize capabilities of each supported adapter type
*/
static adapter_info_t ixgbe_82598eb_cap = {
64, /* maximum number of rx queues */
1, /* minimum number of rx queues */
64, /* default number of rx queues */
16, /* maximum number of rx groups */
1, /* minimum number of rx groups */
1, /* default number of rx groups */
32, /* maximum number of tx queues */
1, /* minimum number of tx queues */
8, /* default number of tx queues */
16366, /* maximum MTU size */
0xFFFF, /* maximum interrupt throttle rate */
0, /* minimum interrupt throttle rate */
200, /* default interrupt throttle rate */
18, /* maximum total msix vectors */
16, /* maximum number of ring vectors */
2, /* maximum number of other vectors */
IXGBE_EICR_LSC, /* "other" interrupt types handled */
0, /* "other" interrupt types enable mask */
(IXGBE_FLAG_DCA_CAPABLE /* capability flags */
| IXGBE_FLAG_RSS_CAPABLE
| IXGBE_FLAG_VMDQ_CAPABLE)
};
static adapter_info_t ixgbe_82599eb_cap = {
128, /* maximum number of rx queues */
1, /* minimum number of rx queues */
128, /* default number of rx queues */
64, /* maximum number of rx groups */
1, /* minimum number of rx groups */
1, /* default number of rx groups */
128, /* maximum number of tx queues */
1, /* minimum number of tx queues */
8, /* default number of tx queues */
15500, /* maximum MTU size */
0xFF8, /* maximum interrupt throttle rate */
0, /* minimum interrupt throttle rate */
200, /* default interrupt throttle rate */
64, /* maximum total msix vectors */
16, /* maximum number of ring vectors */
2, /* maximum number of other vectors */
(IXGBE_EICR_LSC
| IXGBE_EICR_GPI_SDP1
| IXGBE_EICR_GPI_SDP2), /* "other" interrupt types handled */
(IXGBE_SDP1_GPIEN
| IXGBE_SDP2_GPIEN), /* "other" interrupt types enable mask */
(IXGBE_FLAG_DCA_CAPABLE
| IXGBE_FLAG_RSS_CAPABLE
| IXGBE_FLAG_VMDQ_CAPABLE
| IXGBE_FLAG_RSC_CAPABLE
| IXGBE_FLAG_SFP_PLUG_CAPABLE) /* capability flags */
};
static adapter_info_t ixgbe_X540_cap = {
128, /* maximum number of rx queues */
1, /* minimum number of rx queues */
128, /* default number of rx queues */
64, /* maximum number of rx groups */
1, /* minimum number of rx groups */
1, /* default number of rx groups */
128, /* maximum number of tx queues */
1, /* minimum number of tx queues */
8, /* default number of tx queues */
15500, /* maximum MTU size */
0xFF8, /* maximum interrupt throttle rate */
0, /* minimum interrupt throttle rate */
200, /* default interrupt throttle rate */
64, /* maximum total msix vectors */
16, /* maximum number of ring vectors */
2, /* maximum number of other vectors */
(IXGBE_EICR_LSC
| IXGBE_EICR_GPI_SDP1_X540
| IXGBE_EICR_GPI_SDP2_X540), /* "other" interrupt types handled */
(IXGBE_SDP1_GPIEN_X540
| IXGBE_SDP2_GPIEN_X540), /* "other" interrupt types enable mask */
(IXGBE_FLAG_DCA_CAPABLE
| IXGBE_FLAG_RSS_CAPABLE
| IXGBE_FLAG_VMDQ_CAPABLE
| IXGBE_FLAG_RSC_CAPABLE) /* capability flags */
};
static adapter_info_t ixgbe_X550_cap = {
128, /* maximum number of rx queues */
1, /* minimum number of rx queues */
128, /* default number of rx queues */
64, /* maximum number of rx groups */
1, /* minimum number of rx groups */
1, /* default number of rx groups */
128, /* maximum number of tx queues */
1, /* minimum number of tx queues */
8, /* default number of tx queues */
15500, /* maximum MTU size */
0xFF8, /* maximum interrupt throttle rate */
0, /* minimum interrupt throttle rate */
0x200, /* default interrupt throttle rate */
64, /* maximum total msix vectors */
16, /* maximum number of ring vectors */
2, /* maximum number of other vectors */
IXGBE_EICR_LSC, /* "other" interrupt types handled */
0, /* "other" interrupt types enable mask */
(IXGBE_FLAG_RSS_CAPABLE
| IXGBE_FLAG_VMDQ_CAPABLE
| IXGBE_FLAG_RSC_CAPABLE) /* capability flags */
};
static ddi_ufm_ops_t ixgbe_ufm_ops = {
.ddi_ufm_op_fill_image = ixgbe_ufm_fill_image,
.ddi_ufm_op_fill_slot = ixgbe_ufm_fill_slot,
.ddi_ufm_op_getcaps = ixgbe_ufm_getcaps,
.ddi_ufm_op_readimg = ixgbe_ufm_readimg
};
/*
* Module Initialization Functions.
*/
int
_init(void)
{
int status;
mac_init_ops(&ixgbe_dev_ops, MODULE_NAME);
status = mod_install(&ixgbe_modlinkage);
if (status != DDI_SUCCESS) {
mac_fini_ops(&ixgbe_dev_ops);
}
return (status);
}
int
_fini(void)
{
int status;
status = mod_remove(&ixgbe_modlinkage);
if (status == DDI_SUCCESS) {
mac_fini_ops(&ixgbe_dev_ops);
}
return (status);
}
int
_info(struct modinfo *modinfop)
{
int status;
status = mod_info(&ixgbe_modlinkage, modinfop);
return (status);
}
/*
* ixgbe_attach - Driver attach.
*
* This function is the device specific initialization entry
* point. This entry point is required and must be written.
* The DDI_ATTACH command must be provided in the attach entry
* point. When attach() is called with cmd set to DDI_ATTACH,
* all normal kernel services (such as kmem_alloc(9F)) are
* available for use by the driver.
*
* The attach() function will be called once for each instance
* of the device on the system with cmd set to DDI_ATTACH.
* Until attach() succeeds, the only driver entry points which
* may be called are open(9E) and getinfo(9E).
*/
static int
ixgbe_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd)
{
ixgbe_t *ixgbe;
struct ixgbe_osdep *osdep;
struct ixgbe_hw *hw;
int instance;
char taskqname[32];
/*
* Check the command and perform corresponding operations
*/
switch (cmd) {
default:
return (DDI_FAILURE);
case DDI_RESUME:
return (ixgbe_resume(devinfo));
case DDI_ATTACH:
break;
}
/* Get the device instance */
instance = ddi_get_instance(devinfo);
/* Allocate memory for the instance data structure */
ixgbe = kmem_zalloc(sizeof (ixgbe_t), KM_SLEEP);
ixgbe->dip = devinfo;
ixgbe->instance = instance;
hw = &ixgbe->hw;
osdep = &ixgbe->osdep;
hw->back = osdep;
osdep->ixgbe = ixgbe;
/* Attach the instance pointer to the dev_info data structure */
ddi_set_driver_private(devinfo, ixgbe);
/*
* Initialize for FMA support
*/
ixgbe->fm_capabilities = ixgbe_get_prop(ixgbe, PROP_FM_CAPABLE,
0, 0x0f, DDI_FM_EREPORT_CAPABLE | DDI_FM_ACCCHK_CAPABLE |
DDI_FM_DMACHK_CAPABLE | DDI_FM_ERRCB_CAPABLE);
ixgbe_fm_init(ixgbe);
ixgbe->attach_progress |= ATTACH_PROGRESS_FM_INIT;
/*
* Map PCI config space registers
*/
if (pci_config_setup(devinfo, &osdep->cfg_handle) != DDI_SUCCESS) {
ixgbe_error(ixgbe, "Failed to map PCI configurations");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_PCI_CONFIG;
/*
* Identify the chipset family
*/
if (ixgbe_identify_hardware(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to identify hardware");
goto attach_fail;
}
/*
* Map device registers
*/
if (ixgbe_regs_map(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to map device registers");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_REGS_MAP;
/*
* Initialize driver parameters
*/
ixgbe_init_properties(ixgbe);
ixgbe->attach_progress |= ATTACH_PROGRESS_PROPS;
/*
* Register interrupt callback
*/
if (ixgbe_intr_cb_register(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to register interrupt callback");
goto attach_fail;
}
/*
* Allocate interrupts
*/
if (ixgbe_alloc_intrs(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to allocate interrupts");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_ALLOC_INTR;
/*
* Allocate rx/tx rings based on the ring numbers.
* The actual numbers of rx/tx rings are decided by the number of
* allocated interrupt vectors, so we should allocate the rings after
* interrupts are allocated.
*/
if (ixgbe_alloc_rings(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to allocate rx and tx rings");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_ALLOC_RINGS;
/*
* Map rings to interrupt vectors
*/
if (ixgbe_map_intrs_to_vectors(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to map interrupts to vectors");
goto attach_fail;
}
/*
* Add interrupt handlers
*/
if (ixgbe_add_intr_handlers(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to add interrupt handlers");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_ADD_INTR;
/*
* Create a taskq for sfp-change
*/
(void) sprintf(taskqname, "ixgbe%d_sfp_taskq", instance);
if ((ixgbe->sfp_taskq = ddi_taskq_create(devinfo, taskqname,
1, TASKQ_DEFAULTPRI, 0)) == NULL) {
ixgbe_error(ixgbe, "sfp_taskq create failed");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_SFP_TASKQ;
/*
* Create a taskq for over-temp
*/
(void) sprintf(taskqname, "ixgbe%d_overtemp_taskq", instance);
if ((ixgbe->overtemp_taskq = ddi_taskq_create(devinfo, taskqname,
1, TASKQ_DEFAULTPRI, 0)) == NULL) {
ixgbe_error(ixgbe, "overtemp_taskq create failed");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_OVERTEMP_TASKQ;
/*
* Create a taskq for processing external PHY interrupts
*/
(void) sprintf(taskqname, "ixgbe%d_phy_taskq", instance);
if ((ixgbe->phy_taskq = ddi_taskq_create(devinfo, taskqname,
1, TASKQ_DEFAULTPRI, 0)) == NULL) {
ixgbe_error(ixgbe, "phy_taskq create failed");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_PHY_TASKQ;
/*
* Initialize driver parameters
*/
if (ixgbe_init_driver_settings(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to initialize driver settings");
goto attach_fail;
}
/*
* Initialize mutexes for this device.
* Do this before enabling the interrupt handler and
* register the softint to avoid the condition where
* interrupt handler can try using uninitialized mutex.
*/
ixgbe_init_locks(ixgbe);
ixgbe->attach_progress |= ATTACH_PROGRESS_LOCKS;
/*
* Initialize chipset hardware
*/
if (ixgbe_init(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to initialize adapter");
goto attach_fail;
}
ixgbe->link_check_complete = B_FALSE;
ixgbe->link_check_hrtime = gethrtime() +
(IXGBE_LINK_UP_TIME * 100000000ULL);
ixgbe->attach_progress |= ATTACH_PROGRESS_INIT;
if (ixgbe_check_acc_handle(ixgbe->osdep.cfg_handle) != DDI_FM_OK) {
ddi_fm_service_impact(ixgbe->dip, DDI_SERVICE_LOST);
goto attach_fail;
}
/*
* Initialize adapter capabilities
*/
ixgbe_init_params(ixgbe);
/*
* Initialize statistics
*/
if (ixgbe_init_stats(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to initialize statistics");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_STATS;
/*
* Register the driver to the MAC
*/
if (ixgbe_register_mac(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to register MAC");
goto attach_fail;
}
mac_link_update(ixgbe->mac_hdl, LINK_STATE_UNKNOWN);
ixgbe->attach_progress |= ATTACH_PROGRESS_MAC;
ixgbe->periodic_id = ddi_periodic_add(ixgbe_link_timer, ixgbe,
IXGBE_CYCLIC_PERIOD, DDI_IPL_0);
if (ixgbe->periodic_id == 0) {
ixgbe_error(ixgbe, "Failed to add the link check timer");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_LINK_TIMER;
/*
* Now that mutex locks are initialized, and the chip is also
* initialized, enable interrupts.
*/
if (ixgbe_enable_intrs(ixgbe) != IXGBE_SUCCESS) {
ixgbe_error(ixgbe, "Failed to enable DDI interrupts");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_ENABLE_INTR;
if (ixgbe->hw.bus.func == 0) {
if (ddi_ufm_init(devinfo, DDI_UFM_CURRENT_VERSION,
&ixgbe_ufm_ops, &ixgbe->ixgbe_ufmh, ixgbe) != 0) {
ixgbe_error(ixgbe, "Failed to enable DDI UFM support");
goto attach_fail;
}
ixgbe->attach_progress |= ATTACH_PROGRESS_UFM;
ddi_ufm_update(ixgbe->ixgbe_ufmh);
}
ixgbe_log(ixgbe, "%s", ixgbe_ident);
atomic_or_32(&ixgbe->ixgbe_state, IXGBE_INITIALIZED);
return (DDI_SUCCESS);
attach_fail:
ixgbe_unconfigure(devinfo, ixgbe);
return (DDI_FAILURE);
}
/*
* ixgbe_detach - Driver detach.
*
* The detach() function is the complement of the attach routine.
* If cmd is set to DDI_DETACH, detach() is used to remove the
* state associated with a given instance of a device node
* prior to the removal of that instance from the system.
*
* The detach() function will be called once for each instance
* of the device for which there has been a successful attach()
* once there are no longer any opens on the device.
*
* Interrupts routine are disabled, All memory allocated by this
* driver are freed.
*/
static int
ixgbe_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd)
{
ixgbe_t *ixgbe;
/*
* Check detach command
*/
switch (cmd) {
default:
return (DDI_FAILURE);
case DDI_SUSPEND:
return (ixgbe_suspend(devinfo));
case DDI_DETACH:
break;
}
/*
* Get the pointer to the driver private data structure
*/
ixgbe = (ixgbe_t *)ddi_get_driver_private(devinfo);
if (ixgbe == NULL)
return (DDI_FAILURE);
/*
* If the device is still running, it needs to be stopped first.
* This check is necessary because under some specific circumstances,
* the detach routine can be called without stopping the interface
* first.
*/
if (ixgbe->ixgbe_state & IXGBE_STARTED) {
atomic_and_32(&ixgbe->ixgbe_state, ~IXGBE_STARTED);
mutex_enter(&ixgbe->gen_lock);
ixgbe_stop(ixgbe, B_TRUE);
mutex_exit(&ixgbe->gen_lock);
/* Disable and stop the watchdog timer */
ixgbe_disable_watchdog_timer(ixgbe);
}
/*
* Check if there are still rx buffers held by the upper layer.
* If so, fail the detach.
*/
if (!ixgbe_rx_drain(ixgbe))
return (DDI_FAILURE);
/*
* Do the remaining unconfigure routines
*/
ixgbe_unconfigure(devinfo, ixgbe);
return (DDI_SUCCESS);
}
/*
* quiesce(9E) entry point.
*
* This function is called when the system is single-threaded at high
* PIL with preemption disabled. Therefore, this function must not be
* blocked.
*
* This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure.
* DDI_FAILURE indicates an error condition and should almost never happen.
*/
static int
ixgbe_quiesce(dev_info_t *devinfo)
{
ixgbe_t *ixgbe;
struct ixgbe_hw *hw;
ixgbe = (ixgbe_t *)ddi_get_driver_private(devinfo);
if (ixgbe == NULL)
return (DDI_FAILURE);
hw = &ixgbe->hw;
/*
* Disable the adapter interrupts
*/
ixgbe_disable_adapter_interrupts(ixgbe);
/*
* Tell firmware driver is no longer in control
*/
ixgbe_release_driver_control(hw);
/*
* Reset the chipset
*/
(void) ixgbe_reset_hw(hw);
/*
* Reset PHY
*/
(void) ixgbe_reset_phy(hw);
return (DDI_SUCCESS);
}
static void
ixgbe_unconfigure(dev_info_t *devinfo, ixgbe_t *ixgbe)
{
/*
* Disable interrupt
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_ENABLE_INTR) {
(void) ixgbe_disable_intrs(ixgbe);
}
/*
* remove the link check timer
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_LINK_TIMER) {
if (ixgbe->periodic_id != NULL) {
ddi_periodic_delete(ixgbe->periodic_id);
ixgbe->periodic_id = NULL;
}
}
/*
* Clean up the UFM subsystem. Note this only is set on function 0.
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_UFM) {
ddi_ufm_fini(ixgbe->ixgbe_ufmh);
}
/*
* Unregister MAC
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_MAC) {
(void) mac_unregister(ixgbe->mac_hdl);
}
/*
* Free statistics
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_STATS) {
kstat_delete((kstat_t *)ixgbe->ixgbe_ks);
}
/*
* Remove interrupt handlers
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_ADD_INTR) {
ixgbe_rem_intr_handlers(ixgbe);
}
/*
* Remove taskq for sfp-status-change
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_SFP_TASKQ) {
ddi_taskq_destroy(ixgbe->sfp_taskq);
}
/*
* Remove taskq for over-temp
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_OVERTEMP_TASKQ) {
ddi_taskq_destroy(ixgbe->overtemp_taskq);
}
/*
* Remove taskq for external PHYs
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_PHY_TASKQ) {
ddi_taskq_destroy(ixgbe->phy_taskq);
}
/*
* Remove interrupts
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_ALLOC_INTR) {
ixgbe_rem_intrs(ixgbe);
}
/*
* Unregister interrupt callback handler
*/
if (ixgbe->cb_hdl != NULL) {
(void) ddi_cb_unregister(ixgbe->cb_hdl);
}
/*
* Remove driver properties
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_PROPS) {
(void) ddi_prop_remove_all(devinfo);
}
/*
* Stop the chipset
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_INIT) {
mutex_enter(&ixgbe->gen_lock);
ixgbe_chip_stop(ixgbe);
mutex_exit(&ixgbe->gen_lock);
}
/*
* Free register handle
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_REGS_MAP) {
if (ixgbe->osdep.reg_handle != NULL)
ddi_regs_map_free(&ixgbe->osdep.reg_handle);
}
/*
* Free PCI config handle
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_PCI_CONFIG) {
if (ixgbe->osdep.cfg_handle != NULL)
pci_config_teardown(&ixgbe->osdep.cfg_handle);
}
/*
* Free locks
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_LOCKS) {
ixgbe_destroy_locks(ixgbe);
}
/*
* Free the rx/tx rings
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_ALLOC_RINGS) {
ixgbe_free_rings(ixgbe);
}
/*
* Unregister FMA capabilities
*/
if (ixgbe->attach_progress & ATTACH_PROGRESS_FM_INIT) {
ixgbe_fm_fini(ixgbe);
}
/*
* Free the driver data structure
*/
kmem_free(ixgbe, sizeof (ixgbe_t));
ddi_set_driver_private(devinfo, NULL);
}
/*
* ixgbe_register_mac - Register the driver and its function pointers with
* the GLD interface.
*/
static int
ixgbe_register_mac(ixgbe_t *ixgbe)
{
struct ixgbe_hw *hw = &ixgbe->hw;
mac_register_t *mac;
int status;
if ((mac = mac_alloc(MAC_VERSION)) == NULL)
return (IXGBE_FAILURE);
mac->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
mac->m_driver = ixgbe;
mac->m_dip = ixgbe->dip;
mac->m_src_addr = hw->mac.addr;
mac->m_callbacks = &ixgbe_m_callbacks;
mac->m_min_sdu = 0;
mac->m_max_sdu = ixgbe->default_mtu;
mac->m_margin = VLAN_TAGSZ;
mac->m_priv_props = ixgbe_priv_props;
mac->m_v12n = MAC_VIRT_LEVEL1;
status = mac_register(mac, &ixgbe->mac_hdl);
mac_free(mac);
return ((status == 0) ? IXGBE_SUCCESS : IXGBE_FAILURE);
}
/*
* ixgbe_identify_hardware - Identify the type of the chipset.
*/
static int
ixgbe_identify_hardware(ixgbe_t *ixgbe)
{
struct ixgbe_hw *hw = &ixgbe->hw;
struct ixgbe_osdep *osdep = &ixgbe->osdep;
/*
* Get the device id
*/
hw->vendor_id =
pci_config_get16(osdep->cfg_handle, PCI_CONF_VENID);
hw->device_id =
pci_config_get16(osdep->cfg_handle, PCI_CONF_DEVID);
hw->revision_id =
pci_config_get8(osdep->cfg_handle, PCI_CONF_REVID);
hw->subsystem_device_id =