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8#include <linux/kernel.h>
9#include <linux/slab.h>
10#include <linux/debugfs.h>
11
12#include "mvpp2.h"
13#include "mvpp2_prs.h"
14#include "mvpp2_cls.h"
15
16struct mvpp2_dbgfs_prs_entry {
17 int tid;
18 struct mvpp2 *priv;
19};
20
21struct mvpp2_dbgfs_c2_entry {
22 int id;
23 struct mvpp2 *priv;
24};
25
26struct mvpp2_dbgfs_flow_entry {
27 int flow;
28 struct mvpp2 *priv;
29};
30
31struct mvpp2_dbgfs_flow_tbl_entry {
32 int id;
33 struct mvpp2 *priv;
34};
35
36struct mvpp2_dbgfs_port_flow_entry {
37 struct mvpp2_port *port;
38 struct mvpp2_dbgfs_flow_entry *dbg_fe;
39};
40
41struct mvpp2_dbgfs_entries {
42
43 struct mvpp2_dbgfs_prs_entry prs_entries[MVPP2_PRS_TCAM_SRAM_SIZE];
44
45
46 struct mvpp2_dbgfs_c2_entry c2_entries[MVPP22_CLS_C2_N_ENTRIES];
47
48
49 struct mvpp2_dbgfs_flow_tbl_entry flt_entries[MVPP2_CLS_FLOWS_TBL_SIZE];
50
51
52 struct mvpp2_dbgfs_flow_entry flow_entries[MVPP2_N_PRS_FLOWS];
53
54
55 struct mvpp2_dbgfs_port_flow_entry port_flow_entries[MVPP2_MAX_PORTS];
56};
57
58static int mvpp2_dbgfs_flow_flt_hits_show(struct seq_file *s, void *unused)
59{
60 struct mvpp2_dbgfs_flow_tbl_entry *entry = s->private;
61
62 u32 hits = mvpp2_cls_flow_hits(entry->priv, entry->id);
63
64 seq_printf(s, "%u\n", hits);
65
66 return 0;
67}
68
69DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_flt_hits);
70
71static int mvpp2_dbgfs_flow_dec_hits_show(struct seq_file *s, void *unused)
72{
73 struct mvpp2_dbgfs_flow_entry *entry = s->private;
74
75 u32 hits = mvpp2_cls_lookup_hits(entry->priv, entry->flow);
76
77 seq_printf(s, "%u\n", hits);
78
79 return 0;
80}
81
82DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_dec_hits);
83
84static int mvpp2_dbgfs_flow_type_show(struct seq_file *s, void *unused)
85{
86 struct mvpp2_dbgfs_flow_entry *entry = s->private;
87 const struct mvpp2_cls_flow *f;
88 const char *flow_name;
89
90 f = mvpp2_cls_flow_get(entry->flow);
91 if (!f)
92 return -EINVAL;
93
94 switch (f->flow_type) {
95 case IPV4_FLOW:
96 flow_name = "ipv4";
97 break;
98 case IPV6_FLOW:
99 flow_name = "ipv6";
100 break;
101 case TCP_V4_FLOW:
102 flow_name = "tcp4";
103 break;
104 case TCP_V6_FLOW:
105 flow_name = "tcp6";
106 break;
107 case UDP_V4_FLOW:
108 flow_name = "udp4";
109 break;
110 case UDP_V6_FLOW:
111 flow_name = "udp6";
112 break;
113 default:
114 flow_name = "other";
115 }
116
117 seq_printf(s, "%s\n", flow_name);
118
119 return 0;
120}
121
122DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_type);
123
124static int mvpp2_dbgfs_flow_id_show(struct seq_file *s, void *unused)
125{
126 const struct mvpp2_dbgfs_flow_entry *entry = s->private;
127 const struct mvpp2_cls_flow *f;
128
129 f = mvpp2_cls_flow_get(entry->flow);
130 if (!f)
131 return -EINVAL;
132
133 seq_printf(s, "%d\n", f->flow_id);
134
135 return 0;
136}
137
138DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_id);
139
140static int mvpp2_dbgfs_port_flow_hash_opt_show(struct seq_file *s, void *unused)
141{
142 struct mvpp2_dbgfs_port_flow_entry *entry = s->private;
143 struct mvpp2_port *port = entry->port;
144 struct mvpp2_cls_flow_entry fe;
145 const struct mvpp2_cls_flow *f;
146 int flow_index;
147 u16 hash_opts;
148
149 f = mvpp2_cls_flow_get(entry->dbg_fe->flow);
150 if (!f)
151 return -EINVAL;
152
153 flow_index = MVPP2_CLS_FLT_HASH_ENTRY(entry->port->id, f->flow_id);
154
155 mvpp2_cls_flow_read(port->priv, flow_index, &fe);
156
157 hash_opts = mvpp2_flow_get_hek_fields(&fe);
158
159 seq_printf(s, "0x%04x\n", hash_opts);
160
161 return 0;
162}
163
164DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_flow_hash_opt);
165
166static int mvpp2_dbgfs_port_flow_engine_show(struct seq_file *s, void *unused)
167{
168 struct mvpp2_dbgfs_port_flow_entry *entry = s->private;
169 struct mvpp2_port *port = entry->port;
170 struct mvpp2_cls_flow_entry fe;
171 const struct mvpp2_cls_flow *f;
172 int flow_index, engine;
173
174 f = mvpp2_cls_flow_get(entry->dbg_fe->flow);
175 if (!f)
176 return -EINVAL;
177
178 flow_index = MVPP2_CLS_FLT_HASH_ENTRY(entry->port->id, f->flow_id);
179
180 mvpp2_cls_flow_read(port->priv, flow_index, &fe);
181
182 engine = mvpp2_cls_flow_eng_get(&fe);
183
184 seq_printf(s, "%d\n", engine);
185
186 return 0;
187}
188
189DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_flow_engine);
190
191static int mvpp2_dbgfs_flow_c2_hits_show(struct seq_file *s, void *unused)
192{
193 struct mvpp2_dbgfs_c2_entry *entry = s->private;
194 u32 hits;
195
196 hits = mvpp2_cls_c2_hit_count(entry->priv, entry->id);
197
198 seq_printf(s, "%u\n", hits);
199
200 return 0;
201}
202
203DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_hits);
204
205static int mvpp2_dbgfs_flow_c2_rxq_show(struct seq_file *s, void *unused)
206{
207 struct mvpp2_dbgfs_c2_entry *entry = s->private;
208 struct mvpp2_cls_c2_entry c2;
209 u8 qh, ql;
210
211 mvpp2_cls_c2_read(entry->priv, entry->id, &c2);
212
213 qh = (c2.attr[0] >> MVPP22_CLS_C2_ATTR0_QHIGH_OFFS) &
214 MVPP22_CLS_C2_ATTR0_QHIGH_MASK;
215
216 ql = (c2.attr[0] >> MVPP22_CLS_C2_ATTR0_QLOW_OFFS) &
217 MVPP22_CLS_C2_ATTR0_QLOW_MASK;
218
219 seq_printf(s, "%d\n", (qh << 3 | ql));
220
221 return 0;
222}
223
224DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_rxq);
225
226static int mvpp2_dbgfs_flow_c2_enable_show(struct seq_file *s, void *unused)
227{
228 struct mvpp2_dbgfs_c2_entry *entry = s->private;
229 struct mvpp2_cls_c2_entry c2;
230 int enabled;
231
232 mvpp2_cls_c2_read(entry->priv, entry->id, &c2);
233
234 enabled = !!(c2.attr[2] & MVPP22_CLS_C2_ATTR2_RSS_EN);
235
236 seq_printf(s, "%d\n", enabled);
237
238 return 0;
239}
240
241DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_enable);
242
243static int mvpp2_dbgfs_port_vid_show(struct seq_file *s, void *unused)
244{
245 struct mvpp2_port *port = s->private;
246 unsigned char byte[2], enable[2];
247 struct mvpp2 *priv = port->priv;
248 struct mvpp2_prs_entry pe;
249 unsigned long pmap;
250 u16 rvid;
251 int tid;
252
253 for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id);
254 tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) {
255 mvpp2_prs_init_from_hw(priv, &pe, tid);
256
257 pmap = mvpp2_prs_tcam_port_map_get(&pe);
258
259 if (!priv->prs_shadow[tid].valid)
260 continue;
261
262 if (!test_bit(port->id, &pmap))
263 continue;
264
265 mvpp2_prs_tcam_data_byte_get(&pe, 2, &byte[0], &enable[0]);
266 mvpp2_prs_tcam_data_byte_get(&pe, 3, &byte[1], &enable[1]);
267
268 rvid = ((byte[0] & 0xf) << 8) + byte[1];
269
270 seq_printf(s, "%u\n", rvid);
271 }
272
273 return 0;
274}
275
276DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_vid);
277
278static int mvpp2_dbgfs_port_parser_show(struct seq_file *s, void *unused)
279{
280 struct mvpp2_port *port = s->private;
281 struct mvpp2 *priv = port->priv;
282 struct mvpp2_prs_entry pe;
283 unsigned long pmap;
284 int i;
285
286 for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) {
287 mvpp2_prs_init_from_hw(port->priv, &pe, i);
288
289 pmap = mvpp2_prs_tcam_port_map_get(&pe);
290 if (priv->prs_shadow[i].valid && test_bit(port->id, &pmap))
291 seq_printf(s, "%03d\n", i);
292 }
293
294 return 0;
295}
296
297DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_parser);
298
299static int mvpp2_dbgfs_filter_show(struct seq_file *s, void *unused)
300{
301 struct mvpp2_port *port = s->private;
302 struct mvpp2 *priv = port->priv;
303 struct mvpp2_prs_entry pe;
304 unsigned long pmap;
305 int index, tid;
306
307 for (tid = MVPP2_PE_MAC_RANGE_START;
308 tid <= MVPP2_PE_MAC_RANGE_END; tid++) {
309 unsigned char da[ETH_ALEN], da_mask[ETH_ALEN];
310
311 if (!priv->prs_shadow[tid].valid ||
312 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC ||
313 priv->prs_shadow[tid].udf != MVPP2_PRS_UDF_MAC_DEF)
314 continue;
315
316 mvpp2_prs_init_from_hw(priv, &pe, tid);
317
318 pmap = mvpp2_prs_tcam_port_map_get(&pe);
319
320
321 if (!test_bit(port->id, &pmap))
322 continue;
323
324
325 for (index = 0; index < ETH_ALEN; index++)
326 mvpp2_prs_tcam_data_byte_get(&pe, index, &da[index],
327 &da_mask[index]);
328
329 seq_printf(s, "%pM\n", da);
330 }
331
332 return 0;
333}
334
335DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_filter);
336
337static int mvpp2_dbgfs_prs_lu_show(struct seq_file *s, void *unused)
338{
339 struct mvpp2_dbgfs_prs_entry *entry = s->private;
340 struct mvpp2 *priv = entry->priv;
341
342 seq_printf(s, "%x\n", priv->prs_shadow[entry->tid].lu);
343
344 return 0;
345}
346
347DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_lu);
348
349static int mvpp2_dbgfs_prs_pmap_show(struct seq_file *s, void *unused)
350{
351 struct mvpp2_dbgfs_prs_entry *entry = s->private;
352 struct mvpp2_prs_entry pe;
353 unsigned int pmap;
354
355 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid);
356
357 pmap = mvpp2_prs_tcam_port_map_get(&pe);
358 pmap &= MVPP2_PRS_PORT_MASK;
359
360 seq_printf(s, "%02x\n", pmap);
361
362 return 0;
363}
364
365DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_pmap);
366
367static int mvpp2_dbgfs_prs_ai_show(struct seq_file *s, void *unused)
368{
369 struct mvpp2_dbgfs_prs_entry *entry = s->private;
370 struct mvpp2_prs_entry pe;
371 unsigned char ai, ai_mask;
372
373 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid);
374
375 ai = pe.tcam[MVPP2_PRS_TCAM_AI_WORD] & MVPP2_PRS_AI_MASK;
376 ai_mask = (pe.tcam[MVPP2_PRS_TCAM_AI_WORD] >> 16) & MVPP2_PRS_AI_MASK;
377
378 seq_printf(s, "%02x %02x\n", ai, ai_mask);
379
380 return 0;
381}
382
383DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_ai);
384
385static int mvpp2_dbgfs_prs_hdata_show(struct seq_file *s, void *unused)
386{
387 struct mvpp2_dbgfs_prs_entry *entry = s->private;
388 struct mvpp2_prs_entry pe;
389 unsigned char data[8], mask[8];
390 int i;
391
392 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid);
393
394 for (i = 0; i < 8; i++)
395 mvpp2_prs_tcam_data_byte_get(&pe, i, &data[i], &mask[i]);
396
397 seq_printf(s, "%*phN %*phN\n", 8, data, 8, mask);
398
399 return 0;
400}
401
402DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_hdata);
403
404static int mvpp2_dbgfs_prs_sram_show(struct seq_file *s, void *unused)
405{
406 struct mvpp2_dbgfs_prs_entry *entry = s->private;
407 struct mvpp2_prs_entry pe;
408
409 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid);
410
411 seq_printf(s, "%*phN\n", 14, pe.sram);
412
413 return 0;
414}
415
416DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_sram);
417
418static int mvpp2_dbgfs_prs_hits_show(struct seq_file *s, void *unused)
419{
420 struct mvpp2_dbgfs_prs_entry *entry = s->private;
421 int val;
422
423 val = mvpp2_prs_hits(entry->priv, entry->tid);
424 if (val < 0)
425 return val;
426
427 seq_printf(s, "%d\n", val);
428
429 return 0;
430}
431
432DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_hits);
433
434static int mvpp2_dbgfs_prs_valid_show(struct seq_file *s, void *unused)
435{
436 struct mvpp2_dbgfs_prs_entry *entry = s->private;
437 struct mvpp2 *priv = entry->priv;
438 int tid = entry->tid;
439
440 seq_printf(s, "%d\n", priv->prs_shadow[tid].valid ? 1 : 0);
441
442 return 0;
443}
444
445DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_valid);
446
447static int mvpp2_dbgfs_flow_port_init(struct dentry *parent,
448 struct mvpp2_port *port,
449 struct mvpp2_dbgfs_flow_entry *entry)
450{
451 struct mvpp2_dbgfs_port_flow_entry *port_entry;
452 struct dentry *port_dir;
453
454 port_dir = debugfs_create_dir(port->dev->name, parent);
455
456 port_entry = &port->priv->dbgfs_entries->port_flow_entries[port->id];
457
458 port_entry->port = port;
459 port_entry->dbg_fe = entry;
460
461 debugfs_create_file("hash_opts", 0444, port_dir, port_entry,
462 &mvpp2_dbgfs_port_flow_hash_opt_fops);
463
464 debugfs_create_file("engine", 0444, port_dir, port_entry,
465 &mvpp2_dbgfs_port_flow_engine_fops);
466
467 return 0;
468}
469
470static int mvpp2_dbgfs_flow_entry_init(struct dentry *parent,
471 struct mvpp2 *priv, int flow)
472{
473 struct mvpp2_dbgfs_flow_entry *entry;
474 struct dentry *flow_entry_dir;
475 char flow_entry_name[10];
476 int i, ret;
477
478 sprintf(flow_entry_name, "%02d", flow);
479
480 flow_entry_dir = debugfs_create_dir(flow_entry_name, parent);
481
482 entry = &priv->dbgfs_entries->flow_entries[flow];
483
484 entry->flow = flow;
485 entry->priv = priv;
486
487 debugfs_create_file("dec_hits", 0444, flow_entry_dir, entry,
488 &mvpp2_dbgfs_flow_dec_hits_fops);
489
490 debugfs_create_file("type", 0444, flow_entry_dir, entry,
491 &mvpp2_dbgfs_flow_type_fops);
492
493 debugfs_create_file("id", 0444, flow_entry_dir, entry,
494 &mvpp2_dbgfs_flow_id_fops);
495
496
497 for (i = 0; i < priv->port_count; i++) {
498 ret = mvpp2_dbgfs_flow_port_init(flow_entry_dir,
499 priv->port_list[i], entry);
500 if (ret)
501 return ret;
502 }
503
504 return 0;
505}
506
507static int mvpp2_dbgfs_flow_init(struct dentry *parent, struct mvpp2 *priv)
508{
509 struct dentry *flow_dir;
510 int i, ret;
511
512 flow_dir = debugfs_create_dir("flows", parent);
513
514 for (i = 0; i < MVPP2_N_PRS_FLOWS; i++) {
515 ret = mvpp2_dbgfs_flow_entry_init(flow_dir, priv, i);
516 if (ret)
517 return ret;
518 }
519
520 return 0;
521}
522
523static int mvpp2_dbgfs_prs_entry_init(struct dentry *parent,
524 struct mvpp2 *priv, int tid)
525{
526 struct mvpp2_dbgfs_prs_entry *entry;
527 struct dentry *prs_entry_dir;
528 char prs_entry_name[10];
529
530 if (tid >= MVPP2_PRS_TCAM_SRAM_SIZE)
531 return -EINVAL;
532
533 sprintf(prs_entry_name, "%03d", tid);
534
535 prs_entry_dir = debugfs_create_dir(prs_entry_name, parent);
536
537 entry = &priv->dbgfs_entries->prs_entries[tid];
538
539 entry->tid = tid;
540 entry->priv = priv;
541
542
543 debugfs_create_file("sram", 0444, prs_entry_dir, entry,
544 &mvpp2_dbgfs_prs_sram_fops);
545
546 debugfs_create_file("valid", 0644, prs_entry_dir, entry,
547 &mvpp2_dbgfs_prs_valid_fops);
548
549 debugfs_create_file("lookup_id", 0644, prs_entry_dir, entry,
550 &mvpp2_dbgfs_prs_lu_fops);
551
552 debugfs_create_file("ai", 0644, prs_entry_dir, entry,
553 &mvpp2_dbgfs_prs_ai_fops);
554
555 debugfs_create_file("header_data", 0644, prs_entry_dir, entry,
556 &mvpp2_dbgfs_prs_hdata_fops);
557
558 debugfs_create_file("hits", 0444, prs_entry_dir, entry,
559 &mvpp2_dbgfs_prs_hits_fops);
560
561 debugfs_create_file("pmap", 0444, prs_entry_dir, entry,
562 &mvpp2_dbgfs_prs_pmap_fops);
563
564 return 0;
565}
566
567static int mvpp2_dbgfs_prs_init(struct dentry *parent, struct mvpp2 *priv)
568{
569 struct dentry *prs_dir;
570 int i, ret;
571
572 prs_dir = debugfs_create_dir("parser", parent);
573
574 for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) {
575 ret = mvpp2_dbgfs_prs_entry_init(prs_dir, priv, i);
576 if (ret)
577 return ret;
578 }
579
580 return 0;
581}
582
583static int mvpp2_dbgfs_c2_entry_init(struct dentry *parent,
584 struct mvpp2 *priv, int id)
585{
586 struct mvpp2_dbgfs_c2_entry *entry;
587 struct dentry *c2_entry_dir;
588 char c2_entry_name[10];
589
590 if (id >= MVPP22_CLS_C2_N_ENTRIES)
591 return -EINVAL;
592
593 sprintf(c2_entry_name, "%03d", id);
594
595 c2_entry_dir = debugfs_create_dir(c2_entry_name, parent);
596 if (!c2_entry_dir)
597 return -ENOMEM;
598
599 entry = &priv->dbgfs_entries->c2_entries[id];
600
601 entry->id = id;
602 entry->priv = priv;
603
604 debugfs_create_file("hits", 0444, c2_entry_dir, entry,
605 &mvpp2_dbgfs_flow_c2_hits_fops);
606
607 debugfs_create_file("default_rxq", 0444, c2_entry_dir, entry,
608 &mvpp2_dbgfs_flow_c2_rxq_fops);
609
610 debugfs_create_file("rss_enable", 0444, c2_entry_dir, entry,
611 &mvpp2_dbgfs_flow_c2_enable_fops);
612
613 return 0;
614}
615
616static int mvpp2_dbgfs_flow_tbl_entry_init(struct dentry *parent,
617 struct mvpp2 *priv, int id)
618{
619 struct mvpp2_dbgfs_flow_tbl_entry *entry;
620 struct dentry *flow_tbl_entry_dir;
621 char flow_tbl_entry_name[10];
622
623 if (id >= MVPP2_CLS_FLOWS_TBL_SIZE)
624 return -EINVAL;
625
626 sprintf(flow_tbl_entry_name, "%03d", id);
627
628 flow_tbl_entry_dir = debugfs_create_dir(flow_tbl_entry_name, parent);
629 if (!flow_tbl_entry_dir)
630 return -ENOMEM;
631
632 entry = &priv->dbgfs_entries->flt_entries[id];
633
634 entry->id = id;
635 entry->priv = priv;
636
637 debugfs_create_file("hits", 0444, flow_tbl_entry_dir, entry,
638 &mvpp2_dbgfs_flow_flt_hits_fops);
639
640 return 0;
641}
642
643static int mvpp2_dbgfs_cls_init(struct dentry *parent, struct mvpp2 *priv)
644{
645 struct dentry *cls_dir, *c2_dir, *flow_tbl_dir;
646 int i, ret;
647
648 cls_dir = debugfs_create_dir("classifier", parent);
649 if (!cls_dir)
650 return -ENOMEM;
651
652 c2_dir = debugfs_create_dir("c2", cls_dir);
653 if (!c2_dir)
654 return -ENOMEM;
655
656 for (i = 0; i < MVPP22_CLS_C2_N_ENTRIES; i++) {
657 ret = mvpp2_dbgfs_c2_entry_init(c2_dir, priv, i);
658 if (ret)
659 return ret;
660 }
661
662 flow_tbl_dir = debugfs_create_dir("flow_table", cls_dir);
663 if (!flow_tbl_dir)
664 return -ENOMEM;
665
666 for (i = 0; i < MVPP2_CLS_FLOWS_TBL_SIZE; i++) {
667 ret = mvpp2_dbgfs_flow_tbl_entry_init(flow_tbl_dir, priv, i);
668 if (ret)
669 return ret;
670 }
671
672 return 0;
673}
674
675static int mvpp2_dbgfs_port_init(struct dentry *parent,
676 struct mvpp2_port *port)
677{
678 struct dentry *port_dir;
679
680 port_dir = debugfs_create_dir(port->dev->name, parent);
681
682 debugfs_create_file("parser_entries", 0444, port_dir, port,
683 &mvpp2_dbgfs_port_parser_fops);
684
685 debugfs_create_file("mac_filter", 0444, port_dir, port,
686 &mvpp2_dbgfs_filter_fops);
687
688 debugfs_create_file("vid_filter", 0444, port_dir, port,
689 &mvpp2_dbgfs_port_vid_fops);
690
691 return 0;
692}
693
694void mvpp2_dbgfs_cleanup(struct mvpp2 *priv)
695{
696 debugfs_remove_recursive(priv->dbgfs_dir);
697
698 kfree(priv->dbgfs_entries);
699}
700
701void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name)
702{
703 struct dentry *mvpp2_dir, *mvpp2_root;
704 int ret, i;
705
706 mvpp2_root = debugfs_lookup(MVPP2_DRIVER_NAME, NULL);
707 if (!mvpp2_root)
708 mvpp2_root = debugfs_create_dir(MVPP2_DRIVER_NAME, NULL);
709
710 mvpp2_dir = debugfs_create_dir(name, mvpp2_root);
711
712 priv->dbgfs_dir = mvpp2_dir;
713 priv->dbgfs_entries = kzalloc(sizeof(*priv->dbgfs_entries), GFP_KERNEL);
714 if (!priv->dbgfs_entries)
715 goto err;
716
717 ret = mvpp2_dbgfs_prs_init(mvpp2_dir, priv);
718 if (ret)
719 goto err;
720
721 ret = mvpp2_dbgfs_cls_init(mvpp2_dir, priv);
722 if (ret)
723 goto err;
724
725 for (i = 0; i < priv->port_count; i++) {
726 ret = mvpp2_dbgfs_port_init(mvpp2_dir, priv->port_list[i]);
727 if (ret)
728 goto err;
729 }
730
731 ret = mvpp2_dbgfs_flow_init(mvpp2_dir, priv);
732 if (ret)
733 goto err;
734
735 return;
736err:
737 mvpp2_dbgfs_cleanup(priv);
738}
739
