aboutsummaryrefslogtreecommitdiffstats
path: root/src/vnet/dev/dev.h
blob: 951e5054d4284e8a5a3349065b907debfd32a78b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
/* SPDX-License-Identifier: Apache-2.0
 * Copyright (c) 2023 Cisco Systems, Inc.
 */

#ifndef _VNET_DEV_H_
#define _VNET_DEV_H_

#include <vppinfra/clib.h>
#include <vppinfra/error_bootstrap.h>
#include <vppinfra/format.h>
#include <vnet/vnet.h>
#include <vnet/dev/types.h>
#include <vnet/dev/args.h>

#define VNET_DEV_DEVICE_ID_PREFIX_DELIMITER "/"

#define foreach_vnet_dev_port_type                                            \
  _ (0, UNKNOWN)                                                              \
  _ (1, ETHERNET)

typedef enum
{
#define _(b, n) VNET_DEV_PORT_TYPE_##n = (1U << (b)),
  foreach_vnet_dev_port_type
#undef _
} vnet_dev_port_type_t;

#define foreach_vnet_dev_port_caps                                            \
  _ (interrupt_mode)                                                          \
  _ (rss)                                                                     \
  _ (change_max_rx_frame_size)                                                \
  _ (mac_filter)

#define foreach_vnet_dev_port_rx_offloads _ (ip4_cksum)

#define foreach_vnet_dev_port_tx_offloads                                     \
  _ (ip4_cksum)                                                               \
  _ (tcp_gso)                                                                 \
  _ (udp_gso)

typedef union
{
  struct
  {
#define _(n) u8 n : 1;
    foreach_vnet_dev_port_caps
#undef _
  };
  u8 as_number;
} vnet_dev_port_caps_t;

typedef union
{
  struct
  {
#define _(n) u8 n : 1;
    foreach_vnet_dev_port_rx_offloads
#undef _
  };
  u8 as_number;
} vnet_dev_port_rx_offloads_t;

typedef union
{
  struct
  {
#define _(n) u8 n : 1;
    foreach_vnet_dev_port_tx_offloads
#undef _
  };
  u8 as_number;
} vnet_dev_port_tx_offloads_t;

typedef union
{
  u8 eth_mac[6];
  u8 raw[8];
} vnet_dev_hw_addr_t;

typedef struct vnet_dev_bus_registration vnet_dev_bus_registration_t;
typedef struct vnet_dev_driver_registration vnet_dev_driver_registration_t;

typedef struct vnet_dev vnet_dev_t;
typedef struct vnet_dev_port vnet_dev_port_t;
typedef struct vnet_dev_rx_queue vnet_dev_rx_queue_t;
typedef struct vnet_dev_tx_queue vnet_dev_tx_queue_t;
typedef struct vnet_dev_bus_registration vnet_dev_bus_registration_t;
typedef struct vnet_dev_driver_registration vnet_dev_driver_registration_t;
typedef struct vnet_dev_counter vnet_dev_counter_t;
typedef struct vnet_dev_counter_main vnet_dev_counter_main_t;
typedef struct vnet_dev_port_cfg_change_req vnet_dev_port_cfg_change_req_t;

typedef vnet_dev_rv_t (vnet_dev_op_t) (vlib_main_t *, vnet_dev_t *);
typedef vnet_dev_rv_t (vnet_dev_port_op_t) (vlib_main_t *, vnet_dev_port_t *);
typedef vnet_dev_rv_t (vnet_dev_port_cfg_change_op_t) (
  vlib_main_t *, vnet_dev_port_t *, vnet_dev_port_cfg_change_req_t *);
typedef vnet_dev_rv_t (vnet_dev_rx_queue_op_t) (vlib_main_t *,
						vnet_dev_rx_queue_t *);
typedef vnet_dev_rv_t (vnet_dev_tx_queue_op_t) (vlib_main_t *,
						vnet_dev_tx_queue_t *);
typedef void (vnet_dev_op_no_rv_t) (vlib_main_t *, vnet_dev_t *);
typedef void (vnet_dev_port_op_no_rv_t) (vlib_main_t *, vnet_dev_port_t *);
typedef void (vnet_dev_rx_queue_op_no_rv_t) (vlib_main_t *,
					     vnet_dev_rx_queue_t *);
typedef void (vnet_dev_tx_queue_op_no_rv_t) (vlib_main_t *,
					     vnet_dev_tx_queue_t *);

typedef u16 vnet_dev_queue_id_t;
typedef u16 vnet_dev_bus_index_t;
typedef u16 vnet_dev_driver_index_t;

typedef struct
{
  vnet_dev_rx_queue_op_t *alloc;
  vnet_dev_rx_queue_op_t *start;
  vnet_dev_rx_queue_op_no_rv_t *stop;
  vnet_dev_rx_queue_op_no_rv_t *free;
} vnet_dev_rx_queue_ops_t;

typedef struct
{
  vnet_dev_tx_queue_op_t *alloc;
  vnet_dev_tx_queue_op_t *start;
  vnet_dev_tx_queue_op_no_rv_t *stop;
  vnet_dev_tx_queue_op_no_rv_t *free;
} vnet_dev_tx_queue_ops_t;

typedef struct
{
  u16 data_size;
  u16 min_size;
  u16 max_size;
  u16 default_size;
  u8 multiplier;
  u8 size_is_power_of_two : 1;
} vnet_dev_queue_config_t;

#define foreach_vnet_dev_port_cfg_type                                        \
  _ (PROMISC_MODE)                                                            \
  _ (MAX_RX_FRAME_SIZE)                                                       \
  _ (CHANGE_PRIMARY_HW_ADDR)                                                  \
  _ (ADD_SECONDARY_HW_ADDR)                                                   \
  _ (REMOVE_SECONDARY_HW_ADDR)                                                \
  _ (RXQ_INTR_MODE_ENABLE)                                                    \
  _ (RXQ_INTR_MODE_DISABLE)

typedef enum
{
  VNET_DEV_PORT_CFG_UNKNOWN,
#define _(n) VNET_DEV_PORT_CFG_##n,
  foreach_vnet_dev_port_cfg_type
#undef _
} __clib_packed vnet_dev_port_cfg_type_t;

typedef struct vnet_dev_port_cfg_change_req
{
  vnet_dev_port_cfg_type_t type;
  u8 validated : 1;
  u8 all_queues : 1;

  union
  {
    u8 promisc : 1;
    vnet_dev_hw_addr_t addr;
    u16 max_rx_frame_size;
    vnet_dev_queue_id_t queue_id;
  };

} vnet_dev_port_cfg_change_req_t;

typedef struct
{
  vnet_dev_hw_addr_t hw_addr;
  u16 max_rx_queues;
  u16 max_tx_queues;
  u16 max_supported_rx_frame_size;
  vnet_dev_port_type_t type;
  vnet_dev_port_caps_t caps;
  vnet_dev_port_rx_offloads_t rx_offloads;
  vnet_dev_port_tx_offloads_t tx_offloads;
} vnet_dev_port_attr_t;

typedef enum
{
  VNET_DEV_PERIODIC_OP_TYPE_DEV = 1,
  VNET_DEV_PERIODIC_OP_TYPE_PORT = 2,
} __clib_packed vnet_dev_periodic_op_type_t;

typedef struct
{
  f64 interval;
  f64 last_run;
  vnet_dev_periodic_op_type_t type;
  union
  {
    vnet_dev_t *dev;
    vnet_dev_port_t *port;
    void *arg;
  };
  union
  {
    vnet_dev_op_no_rv_t *dev_op;
    vnet_dev_port_op_no_rv_t *port_op;
    void *op;
  };
} vnet_dev_periodic_op_t;

typedef struct
{
  struct _vlib_node_fn_registration *registrations;
  format_function_t *format_trace;
  vlib_error_desc_t *error_counters;
  u16 n_error_counters;
} vnet_dev_node_t;

typedef struct
{
  vnet_dev_op_t *alloc;
  vnet_dev_op_t *init;
  vnet_dev_op_no_rv_t *deinit;
  vnet_dev_op_t *reset;
  vnet_dev_op_no_rv_t *free;
  u8 *(*probe) (vlib_main_t *, vnet_dev_bus_index_t, void *);
  format_function_t *format_info;
} vnet_dev_ops_t;

typedef struct
{
  vnet_dev_port_op_t *alloc;
  vnet_dev_port_op_t *init;
  vnet_dev_port_cfg_change_op_t *config_change;
  vnet_dev_port_cfg_change_op_t *config_change_validate;
  vnet_dev_port_op_t *start;
  vnet_dev_port_op_no_rv_t *stop;
  vnet_dev_port_op_no_rv_t *deinit;
  vnet_dev_port_op_no_rv_t *free;
  format_function_t *format_status;
} vnet_dev_port_ops_t;

typedef union
{
  struct
  {
    u8 update_next_index : 1;
    u8 update_feature_arc : 1;
    u8 suspend_off : 1;
    u8 suspend_on : 1;
  };
  u8 as_number;
} vnet_dev_rx_queue_rt_req_t;

typedef struct vnet_dev_rx_queue
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  vnet_dev_port_t *port;
  u16 rx_thread_index;
  u16 index;
  vnet_dev_counter_main_t *counter_main;
  CLIB_CACHE_LINE_ALIGN_MARK (runtime0);
  vnet_dev_rx_queue_t *next_on_thread;
  u8 interrupt_mode : 1;
  u8 enabled : 1;
  u8 started : 1;
  u8 suspended : 1;
  vnet_dev_queue_id_t queue_id;
  u16 size;
  u16 next_index;
  vnet_dev_rx_queue_rt_req_t runtime_request;
  CLIB_CACHE_LINE_ALIGN_MARK (runtime1);
  vlib_buffer_template_t buffer_template;
  CLIB_CACHE_LINE_ALIGN_MARK (driver_data);
  u8 data[];
} vnet_dev_rx_queue_t;

STATIC_ASSERT_SIZEOF (vnet_dev_rx_queue_t, 3 * CLIB_CACHE_LINE_BYTES);

typedef struct vnet_dev_tx_queue
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  vnet_dev_port_t *port;
  clib_bitmap_t *assigned_threads;
  u16 index;
  vnet_dev_counter_main_t *counter_main;
  CLIB_CACHE_LINE_ALIGN_MARK (runtime0);
  vnet_dev_queue_id_t queue_id;
  u8 started : 1;
  u8 enabled : 1;
  u8 lock_needed : 1;
  u8 lock;
  u16 size;
  CLIB_ALIGN_MARK (private_data, 16);
  u8 data[];
} vnet_dev_tx_queue_t;

STATIC_ASSERT_SIZEOF (vnet_dev_tx_queue_t, 2 * CLIB_CACHE_LINE_BYTES);

typedef struct vnet_dev_port
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  vnet_dev_t *dev;
  vnet_dev_port_id_t port_id;
  vnet_dev_driver_index_t driver_index;
  u8 initialized : 1;
  u8 started : 1;
  u8 link_up : 1;
  u8 promisc : 1;
  u8 interface_created : 1;
  u8 rx_node_assigned : 1;
  vnet_dev_counter_main_t *counter_main;
  vnet_dev_queue_config_t rx_queue_config;
  vnet_dev_queue_config_t tx_queue_config;
  vnet_dev_port_attr_t attr;
  u32 max_rx_frame_size;
  vnet_dev_hw_addr_t primary_hw_addr;
  vnet_dev_hw_addr_t *secondary_hw_addr;
  u32 index;
  u32 speed;
  vnet_dev_rx_queue_t **rx_queues;
  vnet_dev_tx_queue_t **tx_queues;
  vnet_dev_port_ops_t port_ops;
  vnet_dev_arg_t *args;
  vnet_dev_rx_queue_ops_t rx_queue_ops;
  vnet_dev_tx_queue_ops_t tx_queue_ops;
  vnet_dev_node_t rx_node;
  vnet_dev_node_t tx_node;

  struct
  {
    vnet_dev_if_name_t name;
    u32 dev_instance;
    u32 rx_node_index;
    u32 current_config_index;
    u16 rx_next_index;
    u16 redirect_to_node_next_index;
    u8 feature_arc_index;
    u8 feature_arc : 1;
    u8 redirect_to_node : 1;
    u8 default_is_intr_mode : 1;
    u32 tx_node_index;
    u32 hw_if_index;
    u32 sw_if_index;
    u16 num_rx_queues;
    u16 num_tx_queues;
    u16 txq_sz;
    u16 rxq_sz;
  } intf;

  CLIB_CACHE_LINE_ALIGN_MARK (data0);
  u8 data[];
} vnet_dev_port_t;

typedef struct vnet_dev
{
  vnet_dev_device_id_t device_id;
  u16 initialized : 1;
  u16 not_first_init : 1;
  u16 va_dma : 1;
  u16 process_node_quit : 1;
  u16 process_node_periodic : 1;
  u16 poll_stats : 1;
  u16 bus_index;
  u8 numa_node;
  u16 max_rx_queues;
  u16 max_tx_queues;
  vnet_dev_driver_index_t driver_index;
  u32 index;
  u32 process_node_index;
  u8 bus_data[32] __clib_aligned (16);
  vnet_dev_ops_t ops;
  vnet_dev_port_t **ports;
  vnet_dev_periodic_op_t *periodic_ops;
  u8 *description;
  vnet_dev_arg_t *args;
  u8 __clib_aligned (16)
  data[];
} vnet_dev_t;

typedef struct
{
  u16 vendor_id, device_id;
  char *description;
} vnet_dev_match_t;

#define VNET_DEV_MATCH(...)                                                   \
  (vnet_dev_match_t[])                                                        \
  {                                                                           \
    __VA_ARGS__, {}                                                           \
  }

typedef struct
{
  vnet_dev_op_t *device_open;
  vnet_dev_op_no_rv_t *device_close;
  vnet_dev_rv_t (*dma_mem_alloc_fn) (vlib_main_t *, vnet_dev_t *, u32, u32,
				     void **);
  void (*dma_mem_free_fn) (vlib_main_t *, vnet_dev_t *, void *);
  void *(*get_device_info) (vlib_main_t *, char *);
  void (*free_device_info) (vlib_main_t *, void *);
  format_function_t *format_device_info;
  format_function_t *format_device_addr;
} vnet_dev_bus_ops_t;

struct vnet_dev_bus_registration
{
  vnet_dev_bus_registration_t *next_registration;
  vnet_dev_driver_name_t name;
  u16 device_data_size;
  vnet_dev_bus_ops_t ops;
};

struct vnet_dev_driver_registration
{
  vnet_dev_driver_registration_t *next_registration;
  u8 bus_master_enable : 1;
  vnet_dev_driver_name_t name;
  vnet_dev_bus_name_t bus;
  u16 device_data_sz;
  u16 runtime_temp_space_sz;
  vnet_dev_match_t *match;
  int priority;
  vnet_dev_ops_t ops;
  vnet_dev_arg_t *args;
};

typedef struct
{
  u32 index;
  vnet_dev_bus_registration_t *registration;
  vnet_dev_bus_ops_t ops;
} vnet_dev_bus_t;

typedef struct
{
  u32 index;
  void *dev_data;
  vnet_dev_driver_registration_t *registration;
  u32 dev_class_index;
  vnet_dev_bus_index_t bus_index;
  vnet_dev_ops_t ops;
} vnet_dev_driver_t;

typedef struct
{
  vnet_dev_bus_t *buses;
  vnet_dev_driver_t *drivers;
  vnet_dev_t **devices;
  vnet_dev_port_t **ports_by_dev_instance;
  vnet_dev_bus_registration_t *bus_registrations;
  vnet_dev_driver_registration_t *driver_registrations;
  void *runtime_temp_spaces;
  u32 log2_runtime_temp_space_sz;
  u32 *free_process_node_indices;
  u32 *free_rx_node_indices;
  uword *device_index_by_id;

  u8 *startup_config;
  u16 next_rx_queue_thread;
  u8 eth_port_rx_feature_arc_index;
} vnet_dev_main_t;

extern vnet_dev_main_t vnet_dev_main;

typedef struct
{
  struct
  {
    vnet_dev_port_attr_t attr;
    vnet_dev_port_ops_t ops;
    vnet_dev_arg_t *args;
    u16 data_size;
    void *initial_data;
  } port;

  vnet_dev_node_t *rx_node;
  vnet_dev_node_t *tx_node;

  struct
  {
    vnet_dev_queue_config_t config;
    vnet_dev_rx_queue_ops_t ops;
  } rx_queue;

  struct
  {
    vnet_dev_queue_config_t config;
    vnet_dev_tx_queue_ops_t ops;
  } tx_queue;
} vnet_dev_port_add_args_t;

typedef struct
{
  union
  {
    struct
    {
      u8 link_speed : 1;
      u8 link_state : 1;
      u8 link_duplex : 1;
    };
    u8 any;
  } change;
  u8 link_state : 1;
  u8 full_duplex : 1;
  u32 link_speed;
} vnet_dev_port_state_changes_t;

/* args.c */
vnet_dev_rv_t vnet_dev_arg_parse (vlib_main_t *, vnet_dev_t *,
				  vnet_dev_arg_t *, u8 *);
void vnet_dev_arg_free (vnet_dev_arg_t **);
void vnet_dev_arg_clear_value (vnet_dev_arg_t *);
format_function_t format_vnet_dev_arg_type;
format_function_t format_vnet_dev_arg_value;
format_function_t format_vnet_dev_args;

/* dev.c */
vnet_dev_t *vnet_dev_alloc (vlib_main_t *, vnet_dev_device_id_t,
			    vnet_dev_driver_t *);
void vnet_dev_free (vlib_main_t *, vnet_dev_t *);
vnet_dev_rv_t vnet_dev_init (vlib_main_t *, vnet_dev_t *);
void vnet_dev_deinit (vlib_main_t *, vnet_dev_t *);
vnet_dev_rv_t vnet_dev_reset (vlib_main_t *, vnet_dev_t *);
void vnet_dev_detach (vlib_main_t *, vnet_dev_t *);
vnet_dev_rv_t vnet_dev_port_add (vlib_main_t *, vnet_dev_t *,
				 vnet_dev_port_id_t,
				 vnet_dev_port_add_args_t *);
vnet_dev_rv_t vnet_dev_dma_mem_alloc (vlib_main_t *, vnet_dev_t *, u32, u32,
				      void **);
void vnet_dev_dma_mem_free (vlib_main_t *, vnet_dev_t *, void *);
vnet_dev_bus_t *vnet_dev_find_device_bus (vlib_main_t *, vnet_dev_device_id_t);
void *vnet_dev_get_device_info (vlib_main_t *, vnet_dev_device_id_t);

/* error.c */
clib_error_t *vnet_dev_port_err (vlib_main_t *, vnet_dev_port_t *,
				 vnet_dev_rv_t, char *, ...);

/* handlers.c */
clib_error_t *vnet_dev_port_set_max_frame_size (vnet_main_t *,
						vnet_hw_interface_t *, u32);
u32 vnet_dev_port_eth_flag_change (vnet_main_t *, vnet_hw_interface_t *, u32);
clib_error_t *vnet_dev_port_mac_change (vnet_hw_interface_t *, const u8 *,
					const u8 *);
clib_error_t *vnet_dev_add_del_mac_address (vnet_hw_interface_t *, const u8 *,
					    u8);
int vnet_dev_flow_ops_fn (vnet_main_t *, vnet_flow_dev_op_t, u32, u32,
			  uword *);
clib_error_t *vnet_dev_interface_set_rss_queues (vnet_main_t *,
						 vnet_hw_interface_t *,
						 clib_bitmap_t *);
void vnet_dev_clear_hw_interface_counters (u32);
void vnet_dev_set_interface_next_node (vnet_main_t *, u32, u32);

/* port.c */
vnet_dev_rv_t vnet_dev_port_start (vlib_main_t *, vnet_dev_port_t *);
vnet_dev_rv_t vnet_dev_port_start_all_rx_queues (vlib_main_t *,
						 vnet_dev_port_t *);
vnet_dev_rv_t vnet_dev_port_start_all_tx_queues (vlib_main_t *,
						 vnet_dev_port_t *);
void vnet_dev_port_stop (vlib_main_t *, vnet_dev_port_t *);
void vnet_dev_port_deinit (vlib_main_t *, vnet_dev_port_t *);
void vnet_dev_port_free (vlib_main_t *, vnet_dev_port_t *);
void vnet_dev_port_add_counters (vlib_main_t *, vnet_dev_port_t *,
				 vnet_dev_counter_t *, u16);
void vnet_dev_port_free_counters (vlib_main_t *, vnet_dev_port_t *);
void vnet_dev_port_update_tx_node_runtime (vlib_main_t *, vnet_dev_port_t *);
void vnet_dev_port_state_change (vlib_main_t *, vnet_dev_port_t *,
				 vnet_dev_port_state_changes_t);
void vnet_dev_port_clear_counters (vlib_main_t *, vnet_dev_port_t *);
vnet_dev_rv_t
vnet_dev_port_cfg_change_req_validate (vlib_main_t *, vnet_dev_port_t *,
				       vnet_dev_port_cfg_change_req_t *);
vnet_dev_rv_t vnet_dev_port_cfg_change (vlib_main_t *, vnet_dev_port_t *,
					vnet_dev_port_cfg_change_req_t *);
vnet_dev_rv_t vnet_dev_port_if_create (vlib_main_t *, vnet_dev_port_t *);
vnet_dev_rv_t vnet_dev_port_if_remove (vlib_main_t *, vnet_dev_port_t *);

/* queue.c */
vnet_dev_rv_t vnet_dev_rx_queue_alloc (vlib_main_t *, vnet_dev_port_t *, u16);
vnet_dev_rv_t vnet_dev_tx_queue_alloc (vlib_main_t *, vnet_dev_port_t *, u16);
void vnet_dev_rx_queue_free (vlib_main_t *, vnet_dev_rx_queue_t *);
void vnet_dev_tx_queue_free (vlib_main_t *, vnet_dev_tx_queue_t *);
void vnet_dev_rx_queue_add_counters (vlib_main_t *, vnet_dev_rx_queue_t *,
				     vnet_dev_counter_t *, u16);
void vnet_dev_rx_queue_free_counters (vlib_main_t *, vnet_dev_rx_queue_t *);
void vnet_dev_tx_queue_add_counters (vlib_main_t *, vnet_dev_tx_queue_t *,
				     vnet_dev_counter_t *, u16);
void vnet_dev_tx_queue_free_counters (vlib_main_t *, vnet_dev_tx_queue_t *);
vnet_dev_rv_t vnet_dev_rx_queue_start (vlib_main_t *, vnet_dev_rx_queue_t *);
vnet_dev_rv_t vnet_dev_tx_queue_start (vlib_main_t *, vnet_dev_tx_queue_t *);
void vnet_dev_rx_queue_stop (vlib_main_t *, vnet_dev_rx_queue_t *);
void vnet_dev_tx_queue_stop (vlib_main_t *, vnet_dev_tx_queue_t *);

/* process.c */
vnet_dev_rv_t vnet_dev_process_create (vlib_main_t *, vnet_dev_t *);
vnet_dev_rv_t vnet_dev_process_call_op (vlib_main_t *, vnet_dev_t *,
					vnet_dev_op_t *);
vnet_dev_rv_t vnet_dev_process_call_op_no_rv (vlib_main_t *, vnet_dev_t *,
					      vnet_dev_op_no_rv_t *);
void vnet_dev_process_call_op_no_wait (vlib_main_t *, vnet_dev_t *,
				       vnet_dev_op_no_rv_t *);
vnet_dev_rv_t vnet_dev_process_call_port_op (vlib_main_t *, vnet_dev_port_t *,
					     vnet_dev_port_op_t *);
vnet_dev_rv_t vnet_dev_process_call_port_op_no_rv (vlib_main_t *vm,
						   vnet_dev_port_t *,
						   vnet_dev_port_op_no_rv_t *);
void vnet_dev_process_call_port_op_no_wait (vlib_main_t *, vnet_dev_port_t *,
					    vnet_dev_port_op_no_rv_t *);
vnet_dev_rv_t
vnet_dev_process_port_cfg_change_req (vlib_main_t *, vnet_dev_port_t *,
				      vnet_dev_port_cfg_change_req_t *);
void vnet_dev_process_quit (vlib_main_t *, vnet_dev_t *);
void vnet_dev_poll_dev_add (vlib_main_t *, vnet_dev_t *, f64,
			    vnet_dev_op_no_rv_t *);
void vnet_dev_poll_dev_remove (vlib_main_t *, vnet_dev_t *,
			       vnet_dev_op_no_rv_t *);
void vnet_dev_poll_port_add (vlib_main_t *, vnet_dev_port_t *, f64,
			     vnet_dev_port_op_no_rv_t *);
void vnet_dev_poll_port_remove (vlib_main_t *, vnet_dev_port_t *,
				vnet_dev_port_op_no_rv_t *);

typedef struct
{
  u16 thread_index;
  u8 completed;
  u8 in_order;
  vnet_dev_port_t *port;
} vnet_dev_rt_op_t;

vnet_dev_rv_t vnet_dev_rt_exec_ops (vlib_main_t *, vnet_dev_t *,
				    vnet_dev_rt_op_t *, u32);

/* format.c */
typedef struct
{
  u8 counters : 1;
  u8 show_zero_counters : 1;
  u8 debug : 1;
} vnet_dev_format_args_t;

format_function_t format_vnet_dev_addr;
format_function_t format_vnet_dev_flags;
format_function_t format_vnet_dev_hw_addr;
format_function_t format_vnet_dev_info;
format_function_t format_vnet_dev_interface_info;
format_function_t format_vnet_dev_interface_name;
format_function_t format_vnet_dev_log;
format_function_t format_vnet_dev_port_caps;
format_function_t format_vnet_dev_port_flags;
format_function_t format_vnet_dev_port_info;
format_function_t format_vnet_dev_port_rx_offloads;
format_function_t format_vnet_dev_port_tx_offloads;
format_function_t format_vnet_dev_rv;
format_function_t format_vnet_dev_rx_queue_info;
format_function_t format_vnet_dev_tx_queue_info;
unformat_function_t unformat_vnet_dev_flags;
unformat_function_t unformat_vnet_dev_port_flags;

typedef struct
{
  vnet_dev_rx_queue_t *first_rx_queue;
} vnet_dev_rx_node_runtime_t;

STATIC_ASSERT (sizeof (vnet_dev_rx_node_runtime_t) <=
		 VLIB_NODE_RUNTIME_DATA_SIZE,
	       "must fit into runtime data");

#define foreach_vnet_dev_port_rx_next                                         \
  _ (ETH_INPUT, "ethernet-input")                                             \
  _ (DROP, "error-drop")

typedef enum
{
#define _(n, s) VNET_DEV_ETH_RX_PORT_NEXT_##n,
  foreach_vnet_dev_port_rx_next
#undef _
    VNET_DEV_ETH_RX_PORT_N_NEXTS
} vnet_dev_eth_port_rx_next_t;

extern u16 vnet_dev_default_next_index_by_port_type[];
extern vlib_node_registration_t port_rx_eth_node;

typedef vnet_interface_output_runtime_t vnet_dev_tx_node_runtime_t;

STATIC_ASSERT (sizeof (vnet_dev_tx_node_runtime_t) <=
		 VLIB_NODE_RUNTIME_DATA_SIZE,
	       "must fit into runtime data");

#define VNET_DEV_REGISTER_BUS(x, ...)                                         \
  __VA_ARGS__ vnet_dev_bus_registration_t __vnet_dev_bus_registration_##x;    \
  static void __clib_constructor __vnet_dev_bus_registration_fn_##x (void)    \
  {                                                                           \
    vnet_dev_main_t *dm = &vnet_dev_main;                                     \
    __vnet_dev_bus_registration_##x.next_registration =                       \
      dm->bus_registrations;                                                  \
    dm->bus_registrations = &__vnet_dev_bus_registration_##x;                 \
  }                                                                           \
  __VA_ARGS__ vnet_dev_bus_registration_t __vnet_dev_bus_registration_##x

#define VNET_DEV_REGISTER_DRIVER(x, ...)                                      \
  __VA_ARGS__ vnet_dev_driver_registration_t                                  \
    __vnet_dev_driver_registration_##x;                                       \
  static void __clib_constructor __vnet_dev_driver_registration_fn_##x (void) \
  {                                                                           \
    vnet_dev_main_t *dm = &vnet_dev_main;                                     \
    __vnet_dev_driver_registration_##x.next_registration =                    \
      dm->driver_registrations;                                               \
    dm->driver_registrations = &__vnet_dev_driver_registration_##x;           \
  }                                                                           \
  __VA_ARGS__ vnet_dev_driver_registration_t __vnet_dev_driver_registration_##x

#define VNET_DEV_NODE_FN(node)                                                \
  uword CLIB_MARCH_SFX (node##_fn) (vlib_main_t *, vlib_node_runtime_t *,     \
				    vlib_frame_t *);                          \
  static vlib_node_fn_registration_t CLIB_MARCH_SFX (                         \
    node##_fn_registration) = {                                               \
    .function = &CLIB_MARCH_SFX (node##_fn),                                  \
  };                                                                          \
                                                                              \
  static void __clib_constructor CLIB_MARCH_SFX (                             \
    node##_fn_multiarch_register) (void)                                      \
  {                                                                           \
    extern vnet_dev_node_t node;                                              \
    vlib_node_fn_registration_t *r;                                           \
    r = &CLIB_MARCH_SFX (node##_fn_registration);                             \
    r->march_variant = CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE);              \
    r->next_registration = (node).registrations;                              \
    (node).registrations = r;                                                 \
  }                                                                           \
  uword CLIB_MARCH_SFX (node##_fn)

#define foreach_vnet_dev_port(p, d) pool_foreach_pointer (p, d->ports)
#define foreach_vnet_dev_port_rx_queue(q, p)                                  \
  pool_foreach_pointer (q, p->rx_queues)
#define foreach_vnet_dev_port_tx_queue(q, p)                                  \
  pool_foreach_pointer (q, p->tx_queues)

#include <vnet/dev/dev_funcs.h>

#endif /* _VNET_DEV_H_ */