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28#ifdef CONFIG_DEBUG_FS
29
30#include <linux/fs.h>
31#include <linux/debugfs.h>
32
33#include "i40e.h"
34
35static struct dentry *i40e_dbg_root;
36
37
38
39
40
41
42static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
43{
44 int i;
45
46 if (seid < 0)
47 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
48 else
49 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
50 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
51 return pf->vsi[i];
52
53 return NULL;
54}
55
56
57
58
59
60
61static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
62{
63 int i;
64
65 if ((seid < I40E_BASE_VEB_SEID) ||
66 (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB)))
67 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
68 else
69 for (i = 0; i < I40E_MAX_VEB; i++)
70 if (pf->veb[i] && pf->veb[i]->seid == seid)
71 return pf->veb[i];
72 return NULL;
73}
74
75
76
77
78
79
80
81
82static char *i40e_dbg_dump_buf;
83static ssize_t i40e_dbg_dump_data_len;
84static ssize_t i40e_dbg_dump_buffer_len;
85
86
87
88
89
90
91
92
93static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer,
94 size_t count, loff_t *ppos)
95{
96 int bytes_not_copied;
97 int len;
98
99
100 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
101 return 0;
102
103
104 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
105
106 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
107 if (bytes_not_copied < 0)
108 return bytes_not_copied;
109
110 *ppos += len;
111 return len;
112}
113
114
115
116
117
118
119
120
121static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen)
122{
123
124 if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) {
125 kfree(i40e_dbg_dump_buf);
126 i40e_dbg_dump_buffer_len = 0;
127 i40e_dbg_dump_buf = NULL;
128 }
129
130
131 if (!i40e_dbg_dump_buf) {
132 i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL);
133 if (i40e_dbg_dump_buf != NULL)
134 i40e_dbg_dump_buffer_len = buflen;
135 }
136
137 return i40e_dbg_dump_buffer_len;
138}
139
140
141
142
143
144
145
146
147
148
149static ssize_t i40e_dbg_dump_write(struct file *filp,
150 const char __user *buffer,
151 size_t count, loff_t *ppos)
152{
153 struct i40e_pf *pf = filp->private_data;
154 bool seid_found = false;
155 long seid = -1;
156 int buflen = 0;
157 int i, ret;
158 int len;
159 u8 *p;
160
161
162 if (*ppos != 0)
163 return 0;
164
165
166 ret = kstrtol_from_user(buffer, count, 0, &seid);
167
168 if (ret) {
169 dev_info(&pf->pdev->dev, "bad seid value\n");
170 } else if (seid == 0) {
171 seid_found = true;
172
173 kfree(i40e_dbg_dump_buf);
174 i40e_dbg_dump_buffer_len = 0;
175 i40e_dbg_dump_data_len = 0;
176 i40e_dbg_dump_buf = NULL;
177 dev_info(&pf->pdev->dev, "debug buffer freed\n");
178
179 } else if (seid == pf->pf_seid || seid == 1) {
180 seid_found = true;
181
182 buflen = sizeof(struct i40e_pf);
183 buflen += (sizeof(struct i40e_aq_desc)
184 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries));
185
186 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
187 p = i40e_dbg_dump_buf;
188
189 len = sizeof(struct i40e_pf);
190 memcpy(p, pf, len);
191 p += len;
192
193 len = (sizeof(struct i40e_aq_desc)
194 * pf->hw.aq.num_asq_entries);
195 memcpy(p, pf->hw.aq.asq.desc, len);
196 p += len;
197
198 len = (sizeof(struct i40e_aq_desc)
199 * pf->hw.aq.num_arq_entries);
200 memcpy(p, pf->hw.aq.arq.desc, len);
201 p += len;
202
203 i40e_dbg_dump_data_len = buflen;
204 dev_info(&pf->pdev->dev,
205 "PF seid %ld dumped %d bytes\n",
206 seid, (int)i40e_dbg_dump_data_len);
207 }
208 } else if (seid >= I40E_BASE_VSI_SEID) {
209 struct i40e_vsi *vsi = NULL;
210 struct i40e_mac_filter *f;
211 int filter_count = 0;
212
213 mutex_lock(&pf->switch_mutex);
214 vsi = i40e_dbg_find_vsi(pf, seid);
215 if (!vsi) {
216 mutex_unlock(&pf->switch_mutex);
217 goto write_exit;
218 }
219
220 buflen = sizeof(struct i40e_vsi);
221 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
222 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
223 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
224 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
225 list_for_each_entry(f, &vsi->mac_filter_list, list)
226 filter_count++;
227 buflen += sizeof(struct i40e_mac_filter) * filter_count;
228
229 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
230 p = i40e_dbg_dump_buf;
231 seid_found = true;
232
233 len = sizeof(struct i40e_vsi);
234 memcpy(p, vsi, len);
235 p += len;
236
237 if (vsi->num_q_vectors) {
238 len = (sizeof(struct i40e_q_vector)
239 * vsi->num_q_vectors);
240 memcpy(p, vsi->q_vectors, len);
241 p += len;
242 }
243
244 if (vsi->num_queue_pairs) {
245 len = (sizeof(struct i40e_ring) *
246 vsi->num_queue_pairs);
247 memcpy(p, vsi->tx_rings, len);
248 p += len;
249 memcpy(p, vsi->rx_rings, len);
250 p += len;
251 }
252
253 if (vsi->tx_rings[0]) {
254 len = sizeof(struct i40e_tx_buffer);
255 for (i = 0; i < vsi->num_queue_pairs; i++) {
256 memcpy(p, vsi->tx_rings[i]->tx_bi, len);
257 p += len;
258 }
259 len = sizeof(struct i40e_rx_buffer);
260 for (i = 0; i < vsi->num_queue_pairs; i++) {
261 memcpy(p, vsi->rx_rings[i]->rx_bi, len);
262 p += len;
263 }
264 }
265
266
267 len = sizeof(struct i40e_mac_filter);
268 list_for_each_entry(f, &vsi->mac_filter_list, list) {
269 memcpy(p, f, len);
270 p += len;
271 }
272
273 i40e_dbg_dump_data_len = buflen;
274 dev_info(&pf->pdev->dev,
275 "VSI seid %ld dumped %d bytes\n",
276 seid, (int)i40e_dbg_dump_data_len);
277 }
278 mutex_unlock(&pf->switch_mutex);
279 } else if (seid >= I40E_BASE_VEB_SEID) {
280 struct i40e_veb *veb = NULL;
281
282 mutex_lock(&pf->switch_mutex);
283 veb = i40e_dbg_find_veb(pf, seid);
284 if (!veb) {
285 mutex_unlock(&pf->switch_mutex);
286 goto write_exit;
287 }
288
289 buflen = sizeof(struct i40e_veb);
290 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
291 seid_found = true;
292 memcpy(i40e_dbg_dump_buf, veb, buflen);
293 i40e_dbg_dump_data_len = buflen;
294 dev_info(&pf->pdev->dev,
295 "VEB seid %ld dumped %d bytes\n",
296 seid, (int)i40e_dbg_dump_data_len);
297 }
298 mutex_unlock(&pf->switch_mutex);
299 }
300
301write_exit:
302 if (!seid_found)
303 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
304
305 return count;
306}
307
308static const struct file_operations i40e_dbg_dump_fops = {
309 .owner = THIS_MODULE,
310 .open = simple_open,
311 .read = i40e_dbg_dump_read,
312 .write = i40e_dbg_dump_write,
313};
314
315
316
317
318
319
320
321
322static char i40e_dbg_command_buf[256] = "hello world";
323
324
325
326
327
328
329
330
331static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
332 size_t count, loff_t *ppos)
333{
334 struct i40e_pf *pf = filp->private_data;
335 int bytes_not_copied;
336 int buf_size = 256;
337 char *buf;
338 int len;
339
340
341 if (*ppos != 0)
342 return 0;
343 if (count < buf_size)
344 return -ENOSPC;
345
346 buf = kzalloc(buf_size, GFP_KERNEL);
347 if (!buf)
348 return -ENOSPC;
349
350 len = snprintf(buf, buf_size, "%s: %s\n",
351 pf->vsi[pf->lan_vsi]->netdev->name,
352 i40e_dbg_command_buf);
353
354 bytes_not_copied = copy_to_user(buffer, buf, len);
355 kfree(buf);
356
357 if (bytes_not_copied < 0)
358 return bytes_not_copied;
359
360 *ppos = len;
361 return len;
362}
363
364
365
366
367
368
369static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
370{
371 struct rtnl_link_stats64 *nstat;
372 struct i40e_mac_filter *f;
373 struct i40e_vsi *vsi;
374 int i;
375
376 vsi = i40e_dbg_find_vsi(pf, seid);
377 if (!vsi) {
378 dev_info(&pf->pdev->dev,
379 "dump %d: seid not found\n", seid);
380 return;
381 }
382 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
383 if (vsi->netdev)
384 dev_info(&pf->pdev->dev,
385 " netdev: name = %s\n",
386 vsi->netdev->name);
387 if (vsi->active_vlans)
388 dev_info(&pf->pdev->dev,
389 " vlgrp: & = %p\n", vsi->active_vlans);
390 dev_info(&pf->pdev->dev,
391 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n",
392 vsi->netdev_registered,
393 vsi->current_netdev_flags, vsi->state, vsi->flags);
394 list_for_each_entry(f, &vsi->mac_filter_list, list) {
395 dev_info(&pf->pdev->dev,
396 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
397 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
398 f->counter);
399 }
400 nstat = i40e_get_vsi_stats_struct(vsi);
401 dev_info(&pf->pdev->dev,
402 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
403 (long unsigned int)nstat->rx_packets,
404 (long unsigned int)nstat->rx_bytes,
405 (long unsigned int)nstat->rx_errors,
406 (long unsigned int)nstat->rx_dropped);
407 dev_info(&pf->pdev->dev,
408 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
409 (long unsigned int)nstat->tx_packets,
410 (long unsigned int)nstat->tx_bytes,
411 (long unsigned int)nstat->tx_errors,
412 (long unsigned int)nstat->tx_dropped);
413 dev_info(&pf->pdev->dev,
414 " net_stats: multicast = %lu, collisions = %lu\n",
415 (long unsigned int)nstat->multicast,
416 (long unsigned int)nstat->collisions);
417 dev_info(&pf->pdev->dev,
418 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
419 (long unsigned int)nstat->rx_length_errors,
420 (long unsigned int)nstat->rx_over_errors,
421 (long unsigned int)nstat->rx_crc_errors);
422 dev_info(&pf->pdev->dev,
423 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
424 (long unsigned int)nstat->rx_frame_errors,
425 (long unsigned int)nstat->rx_fifo_errors,
426 (long unsigned int)nstat->rx_missed_errors);
427 dev_info(&pf->pdev->dev,
428 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
429 (long unsigned int)nstat->tx_aborted_errors,
430 (long unsigned int)nstat->tx_carrier_errors,
431 (long unsigned int)nstat->tx_fifo_errors);
432 dev_info(&pf->pdev->dev,
433 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
434 (long unsigned int)nstat->tx_heartbeat_errors,
435 (long unsigned int)nstat->tx_window_errors);
436 dev_info(&pf->pdev->dev,
437 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
438 (long unsigned int)nstat->rx_compressed,
439 (long unsigned int)nstat->tx_compressed);
440 dev_info(&pf->pdev->dev,
441 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
442 (long unsigned int)vsi->net_stats_offsets.rx_packets,
443 (long unsigned int)vsi->net_stats_offsets.rx_bytes,
444 (long unsigned int)vsi->net_stats_offsets.rx_errors,
445 (long unsigned int)vsi->net_stats_offsets.rx_dropped);
446 dev_info(&pf->pdev->dev,
447 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
448 (long unsigned int)vsi->net_stats_offsets.tx_packets,
449 (long unsigned int)vsi->net_stats_offsets.tx_bytes,
450 (long unsigned int)vsi->net_stats_offsets.tx_errors,
451 (long unsigned int)vsi->net_stats_offsets.tx_dropped);
452 dev_info(&pf->pdev->dev,
453 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
454 (long unsigned int)vsi->net_stats_offsets.multicast,
455 (long unsigned int)vsi->net_stats_offsets.collisions);
456 dev_info(&pf->pdev->dev,
457 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
458 (long unsigned int)vsi->net_stats_offsets.rx_length_errors,
459 (long unsigned int)vsi->net_stats_offsets.rx_over_errors,
460 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors);
461 dev_info(&pf->pdev->dev,
462 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
463 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors,
464 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors,
465 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors);
466 dev_info(&pf->pdev->dev,
467 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
468 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors,
469 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors,
470 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors);
471 dev_info(&pf->pdev->dev,
472 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
473 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors,
474 (long unsigned int)vsi->net_stats_offsets.tx_window_errors);
475 dev_info(&pf->pdev->dev,
476 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
477 (long unsigned int)vsi->net_stats_offsets.rx_compressed,
478 (long unsigned int)vsi->net_stats_offsets.tx_compressed);
479 dev_info(&pf->pdev->dev,
480 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
481 vsi->tx_restart, vsi->tx_busy,
482 vsi->rx_buf_failed, vsi->rx_page_failed);
483 rcu_read_lock();
484 for (i = 0; i < vsi->num_queue_pairs; i++) {
485 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
486 if (!rx_ring)
487 continue;
488
489 dev_info(&pf->pdev->dev,
490 " rx_rings[%i]: desc = %p\n",
491 i, rx_ring->desc);
492 dev_info(&pf->pdev->dev,
493 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
494 i, rx_ring->dev,
495 rx_ring->netdev,
496 rx_ring->rx_bi);
497 dev_info(&pf->pdev->dev,
498 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
499 i, rx_ring->state,
500 rx_ring->queue_index,
501 rx_ring->reg_idx);
502 dev_info(&pf->pdev->dev,
503 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
504 i, rx_ring->rx_hdr_len,
505 rx_ring->rx_buf_len,
506 rx_ring->dtype);
507 dev_info(&pf->pdev->dev,
508 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
509 i, rx_ring->hsplit,
510 rx_ring->next_to_use,
511 rx_ring->next_to_clean,
512 rx_ring->ring_active);
513 dev_info(&pf->pdev->dev,
514 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
515 i, rx_ring->stats.packets,
516 rx_ring->stats.bytes,
517 rx_ring->rx_stats.non_eop_descs);
518 dev_info(&pf->pdev->dev,
519 " rx_rings[%i]: rx_stats: alloc_rx_page_failed = %lld, alloc_rx_buff_failed = %lld\n",
520 i,
521 rx_ring->rx_stats.alloc_rx_page_failed,
522 rx_ring->rx_stats.alloc_rx_buff_failed);
523 dev_info(&pf->pdev->dev,
524 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
525 i, rx_ring->size,
526 (long unsigned int)rx_ring->dma);
527 dev_info(&pf->pdev->dev,
528 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
529 i, rx_ring->vsi,
530 rx_ring->q_vector);
531 }
532 for (i = 0; i < vsi->num_queue_pairs; i++) {
533 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
534 if (!tx_ring)
535 continue;
536 dev_info(&pf->pdev->dev,
537 " tx_rings[%i]: desc = %p\n",
538 i, tx_ring->desc);
539 dev_info(&pf->pdev->dev,
540 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
541 i, tx_ring->dev,
542 tx_ring->netdev,
543 tx_ring->tx_bi);
544 dev_info(&pf->pdev->dev,
545 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
546 i, tx_ring->state,
547 tx_ring->queue_index,
548 tx_ring->reg_idx);
549 dev_info(&pf->pdev->dev,
550 " tx_rings[%i]: dtype = %d\n",
551 i, tx_ring->dtype);
552 dev_info(&pf->pdev->dev,
553 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
554 i, tx_ring->hsplit,
555 tx_ring->next_to_use,
556 tx_ring->next_to_clean,
557 tx_ring->ring_active);
558 dev_info(&pf->pdev->dev,
559 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
560 i, tx_ring->stats.packets,
561 tx_ring->stats.bytes,
562 tx_ring->tx_stats.restart_queue);
563 dev_info(&pf->pdev->dev,
564 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
565 i,
566 tx_ring->tx_stats.tx_busy,
567 tx_ring->tx_stats.tx_done_old);
568 dev_info(&pf->pdev->dev,
569 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
570 i, tx_ring->size,
571 (long unsigned int)tx_ring->dma);
572 dev_info(&pf->pdev->dev,
573 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
574 i, tx_ring->vsi,
575 tx_ring->q_vector);
576 dev_info(&pf->pdev->dev,
577 " tx_rings[%i]: DCB tc = %d\n",
578 i, tx_ring->dcb_tc);
579 }
580 rcu_read_unlock();
581 dev_info(&pf->pdev->dev,
582 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
583 vsi->work_limit, vsi->rx_itr_setting,
584 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
585 vsi->tx_itr_setting,
586 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
587 dev_info(&pf->pdev->dev,
588 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
589 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
590 dev_info(&pf->pdev->dev,
591 " num_q_vectors = %i, base_vector = %i\n",
592 vsi->num_q_vectors, vsi->base_vector);
593 dev_info(&pf->pdev->dev,
594 " seid = %d, id = %d, uplink_seid = %d\n",
595 vsi->seid, vsi->id, vsi->uplink_seid);
596 dev_info(&pf->pdev->dev,
597 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
598 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
599 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
600 dev_info(&pf->pdev->dev,
601 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
602 vsi->info.valid_sections, vsi->info.switch_id);
603 dev_info(&pf->pdev->dev,
604 " info: sw_reserved[] = 0x%02x 0x%02x\n",
605 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
606 dev_info(&pf->pdev->dev,
607 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
608 vsi->info.sec_flags, vsi->info.sec_reserved);
609 dev_info(&pf->pdev->dev,
610 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
611 vsi->info.pvid, vsi->info.fcoe_pvid,
612 vsi->info.port_vlan_flags);
613 dev_info(&pf->pdev->dev,
614 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
615 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
616 vsi->info.pvlan_reserved[2]);
617 dev_info(&pf->pdev->dev,
618 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
619 vsi->info.ingress_table, vsi->info.egress_table);
620 dev_info(&pf->pdev->dev,
621 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
622 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
623 vsi->info.cas_pv_reserved);
624 dev_info(&pf->pdev->dev,
625 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
626 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
627 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
628 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
629 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
630 dev_info(&pf->pdev->dev,
631 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
632 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
633 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
634 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
635 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
636 dev_info(&pf->pdev->dev,
637 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
638 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
639 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
640 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
641 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
642 dev_info(&pf->pdev->dev,
643 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
644 vsi->info.queueing_opt_flags,
645 vsi->info.queueing_opt_reserved[0],
646 vsi->info.queueing_opt_reserved[1],
647 vsi->info.queueing_opt_reserved[2]);
648 dev_info(&pf->pdev->dev,
649 " info: up_enable_bits = 0x%02x\n",
650 vsi->info.up_enable_bits);
651 dev_info(&pf->pdev->dev,
652 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
653 vsi->info.sched_reserved, vsi->info.outer_up_table);
654 dev_info(&pf->pdev->dev,
655 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
656 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
657 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
658 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
659 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
660 dev_info(&pf->pdev->dev,
661 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
662 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
663 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
664 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
665 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
666 dev_info(&pf->pdev->dev,
667 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
668 vsi->info.stat_counter_idx, vsi->info.sched_id);
669 dev_info(&pf->pdev->dev,
670 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
671 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
672 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
673 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
674 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
675 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
676 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
677 if (vsi->back)
678 dev_info(&pf->pdev->dev, " pf = %p\n", vsi->back);
679 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
680 dev_info(&pf->pdev->dev,
681 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
682 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
683 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
684 dev_info(&pf->pdev->dev,
685 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
686 i, vsi->tc_config.tc_info[i].qoffset,
687 vsi->tc_config.tc_info[i].qcount,
688 vsi->tc_config.tc_info[i].netdev_tc);
689 }
690 dev_info(&pf->pdev->dev,
691 " bw: bw_limit = %d, bw_max_quanta = %d\n",
692 vsi->bw_limit, vsi->bw_max_quanta);
693 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
694 dev_info(&pf->pdev->dev,
695 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
696 i, vsi->bw_ets_share_credits[i],
697 vsi->bw_ets_limit_credits[i],
698 vsi->bw_ets_max_quanta[i]);
699 }
700}
701
702
703
704
705
706static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
707{
708 struct i40e_adminq_ring *ring;
709 struct i40e_hw *hw = &pf->hw;
710 int i;
711
712
713 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
714 ring = &(hw->aq.asq);
715 for (i = 0; i < ring->count; i++) {
716 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
717 dev_info(&pf->pdev->dev,
718 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
719 i, d->flags, d->opcode, d->datalen, d->retval,
720 d->cookie_high, d->cookie_low);
721 dev_info(&pf->pdev->dev,
722 " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
723 d->params.raw[0], d->params.raw[1], d->params.raw[2],
724 d->params.raw[3], d->params.raw[4], d->params.raw[5],
725 d->params.raw[6], d->params.raw[7], d->params.raw[8],
726 d->params.raw[9], d->params.raw[10], d->params.raw[11],
727 d->params.raw[12], d->params.raw[13],
728 d->params.raw[14], d->params.raw[15]);
729 }
730
731 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
732 ring = &(hw->aq.arq);
733 for (i = 0; i < ring->count; i++) {
734 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
735 dev_info(&pf->pdev->dev,
736 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
737 i, d->flags, d->opcode, d->datalen, d->retval,
738 d->cookie_high, d->cookie_low);
739 dev_info(&pf->pdev->dev,
740 " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
741 d->params.raw[0], d->params.raw[1], d->params.raw[2],
742 d->params.raw[3], d->params.raw[4], d->params.raw[5],
743 d->params.raw[6], d->params.raw[7], d->params.raw[8],
744 d->params.raw[9], d->params.raw[10], d->params.raw[11],
745 d->params.raw[12], d->params.raw[13],
746 d->params.raw[14], d->params.raw[15]);
747 }
748}
749
750
751
752
753
754
755
756
757
758
759static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
760 struct i40e_pf *pf, bool is_rx_ring)
761{
762 union i40e_rx_desc *ds;
763 struct i40e_ring ring;
764 struct i40e_vsi *vsi;
765 int i;
766
767 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
768 if (!vsi) {
769 dev_info(&pf->pdev->dev,
770 "vsi %d not found\n", vsi_seid);
771 if (is_rx_ring)
772 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
773 else
774 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
775 return;
776 }
777 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
778 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
779 if (is_rx_ring)
780 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
781 else
782 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
783 return;
784 }
785 if (is_rx_ring)
786 ring = *vsi->rx_rings[ring_id];
787 else
788 ring = *vsi->tx_rings[ring_id];
789 if (cnt == 2) {
790 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
791 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
792 for (i = 0; i < ring.count; i++) {
793 if (is_rx_ring)
794 ds = I40E_RX_DESC(&ring, i);
795 else
796 ds = (union i40e_rx_desc *)
797 I40E_TX_DESC(&ring, i);
798 if ((sizeof(union i40e_rx_desc) ==
799 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
800 dev_info(&pf->pdev->dev,
801 " d[%03i] = 0x%016llx 0x%016llx\n", i,
802 ds->read.pkt_addr, ds->read.hdr_addr);
803 else
804 dev_info(&pf->pdev->dev,
805 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
806 i, ds->read.pkt_addr,
807 ds->read.hdr_addr,
808 ds->read.rsvd1, ds->read.rsvd2);
809 }
810 } else if (cnt == 3) {
811 if (desc_n >= ring.count || desc_n < 0) {
812 dev_info(&pf->pdev->dev,
813 "descriptor %d not found\n", desc_n);
814 return;
815 }
816 if (is_rx_ring)
817 ds = I40E_RX_DESC(&ring, desc_n);
818 else
819 ds = (union i40e_rx_desc *)I40E_TX_DESC(&ring, desc_n);
820 if ((sizeof(union i40e_rx_desc) ==
821 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
822 dev_info(&pf->pdev->dev,
823 "vsi = %02i %s ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
824 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id,
825 desc_n, ds->read.pkt_addr, ds->read.hdr_addr);
826 else
827 dev_info(&pf->pdev->dev,
828 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
829 vsi_seid, ring_id,
830 desc_n, ds->read.pkt_addr, ds->read.hdr_addr,
831 ds->read.rsvd1, ds->read.rsvd2);
832 } else {
833 if (is_rx_ring)
834 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
835 else
836 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
837 }
838}
839
840
841
842
843
844static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
845{
846 int i;
847
848 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
849 if (pf->vsi[i])
850 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
851 i, pf->vsi[i]->seid);
852}
853
854
855
856
857
858
859static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
860 struct i40e_eth_stats *estats)
861{
862 dev_info(&pf->pdev->dev, " ethstats:\n");
863 dev_info(&pf->pdev->dev,
864 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
865 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
866 dev_info(&pf->pdev->dev,
867 " rx_broadcast = \t%lld \trx_discards = \t\t%lld \trx_errors = \t%lld\n",
868 estats->rx_broadcast, estats->rx_discards, estats->rx_errors);
869 dev_info(&pf->pdev->dev,
870 " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
871 estats->rx_missed, estats->rx_unknown_protocol,
872 estats->tx_bytes);
873 dev_info(&pf->pdev->dev,
874 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
875 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
876 dev_info(&pf->pdev->dev,
877 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
878 estats->tx_discards, estats->tx_errors);
879}
880
881
882
883
884
885
886static void i40e_dbg_dump_stats(struct i40e_pf *pf,
887 struct i40e_hw_port_stats *stats)
888{
889 int i;
890
891 dev_info(&pf->pdev->dev, " stats:\n");
892 dev_info(&pf->pdev->dev,
893 " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n",
894 stats->crc_errors, stats->illegal_bytes, stats->error_bytes);
895 dev_info(&pf->pdev->dev,
896 " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n",
897 stats->mac_local_faults, stats->mac_remote_faults,
898 stats->rx_length_errors);
899 dev_info(&pf->pdev->dev,
900 " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n",
901 stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx);
902 dev_info(&pf->pdev->dev,
903 " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n",
904 stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127);
905 dev_info(&pf->pdev->dev,
906 " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n",
907 stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023);
908 dev_info(&pf->pdev->dev,
909 " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n",
910 stats->rx_size_big, stats->rx_undersize, stats->rx_jabber);
911 dev_info(&pf->pdev->dev,
912 " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n",
913 stats->rx_fragments, stats->rx_oversize, stats->tx_size_64);
914 dev_info(&pf->pdev->dev,
915 " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n",
916 stats->tx_size_127, stats->tx_size_255, stats->tx_size_511);
917 dev_info(&pf->pdev->dev,
918 " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n",
919 stats->tx_size_1023, stats->tx_size_big,
920 stats->mac_short_packet_dropped);
921 for (i = 0; i < 8; i += 4) {
922 dev_info(&pf->pdev->dev,
923 " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
924 i, stats->priority_xon_rx[i],
925 i+1, stats->priority_xon_rx[i+1],
926 i+2, stats->priority_xon_rx[i+2],
927 i+3, stats->priority_xon_rx[i+3]);
928 }
929 for (i = 0; i < 8; i += 4) {
930 dev_info(&pf->pdev->dev,
931 " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
932 i, stats->priority_xoff_rx[i],
933 i+1, stats->priority_xoff_rx[i+1],
934 i+2, stats->priority_xoff_rx[i+2],
935 i+3, stats->priority_xoff_rx[i+3]);
936 }
937 for (i = 0; i < 8; i += 4) {
938 dev_info(&pf->pdev->dev,
939 " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
940 i, stats->priority_xon_tx[i],
941 i+1, stats->priority_xon_tx[i+1],
942 i+2, stats->priority_xon_tx[i+2],
943 i+3, stats->priority_xon_rx[i+3]);
944 }
945 for (i = 0; i < 8; i += 4) {
946 dev_info(&pf->pdev->dev,
947 " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
948 i, stats->priority_xoff_tx[i],
949 i+1, stats->priority_xoff_tx[i+1],
950 i+2, stats->priority_xoff_tx[i+2],
951 i+3, stats->priority_xoff_tx[i+3]);
952 }
953 for (i = 0; i < 8; i += 4) {
954 dev_info(&pf->pdev->dev,
955 " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
956 i, stats->priority_xon_2_xoff[i],
957 i+1, stats->priority_xon_2_xoff[i+1],
958 i+2, stats->priority_xon_2_xoff[i+2],
959 i+3, stats->priority_xon_2_xoff[i+3]);
960 }
961
962 i40e_dbg_dump_eth_stats(pf, &stats->eth);
963}
964
965
966
967
968
969
970static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
971{
972 struct i40e_veb *veb;
973
974 if ((seid < I40E_BASE_VEB_SEID) ||
975 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
976 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
977 return;
978 }
979
980 veb = i40e_dbg_find_veb(pf, seid);
981 if (!veb) {
982 dev_info(&pf->pdev->dev,
983 "%d: can't find veb\n", seid);
984 return;
985 }
986 dev_info(&pf->pdev->dev,
987 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
988 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
989 veb->uplink_seid);
990 i40e_dbg_dump_eth_stats(pf, &veb->stats);
991}
992
993
994
995
996
997static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
998{
999 struct i40e_veb *veb;
1000 int i;
1001
1002 for (i = 0; i < I40E_MAX_VEB; i++) {
1003 veb = pf->veb[i];
1004 if (veb)
1005 i40e_dbg_dump_veb_seid(pf, veb->seid);
1006 }
1007}
1008
1009#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
1010
1011
1012
1013
1014
1015
1016
1017static ssize_t i40e_dbg_command_write(struct file *filp,
1018 const char __user *buffer,
1019 size_t count, loff_t *ppos)
1020{
1021 struct i40e_pf *pf = filp->private_data;
1022 char *cmd_buf, *cmd_buf_tmp;
1023 int bytes_not_copied;
1024 struct i40e_vsi *vsi;
1025 u8 *print_buf_start;
1026 u8 *print_buf;
1027 int vsi_seid;
1028 int veb_seid;
1029 int cnt;
1030
1031
1032 if (*ppos != 0)
1033 return 0;
1034
1035 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
1036 if (!cmd_buf)
1037 return count;
1038 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
1039 if (bytes_not_copied < 0)
1040 return bytes_not_copied;
1041 if (bytes_not_copied > 0)
1042 count -= bytes_not_copied;
1043 cmd_buf[count] = '\0';
1044
1045 cmd_buf_tmp = strchr(cmd_buf, '\n');
1046 if (cmd_buf_tmp) {
1047 *cmd_buf_tmp = '\0';
1048 count = cmd_buf_tmp - cmd_buf + 1;
1049 }
1050
1051 print_buf_start = kzalloc(I40E_MAX_DEBUG_OUT_BUFFER, GFP_KERNEL);
1052 if (!print_buf_start)
1053 goto command_write_done;
1054 print_buf = print_buf_start;
1055
1056 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1057 vsi_seid = -1;
1058 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1059 if (cnt == 0) {
1060
1061 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1062 } else if (vsi_seid < 0) {
1063 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1064 vsi_seid);
1065 goto command_write_done;
1066 }
1067
1068 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1069 if (vsi)
1070 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1071 vsi->seid, vsi->uplink_seid);
1072 else
1073 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1074
1075 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1076 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1077 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1078 if (!vsi) {
1079 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1080 vsi_seid);
1081 goto command_write_done;
1082 }
1083
1084 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1085 i40e_vsi_release(vsi);
1086
1087 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1088 struct i40e_veb *veb;
1089 int uplink_seid, i;
1090
1091 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1092 if (cnt != 2) {
1093 dev_info(&pf->pdev->dev,
1094 "add relay: bad command string, cnt=%d\n",
1095 cnt);
1096 goto command_write_done;
1097 } else if (uplink_seid < 0) {
1098 dev_info(&pf->pdev->dev,
1099 "add relay %d: bad uplink seid\n",
1100 uplink_seid);
1101 goto command_write_done;
1102 }
1103
1104 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1105 if (!vsi) {
1106 dev_info(&pf->pdev->dev,
1107 "add relay: vsi VSI %d not found\n", vsi_seid);
1108 goto command_write_done;
1109 }
1110
1111 for (i = 0; i < I40E_MAX_VEB; i++)
1112 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1113 break;
1114 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1115 uplink_seid != pf->mac_seid) {
1116 dev_info(&pf->pdev->dev,
1117 "add relay: relay uplink %d not found\n",
1118 uplink_seid);
1119 goto command_write_done;
1120 }
1121
1122 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1123 vsi->tc_config.enabled_tc);
1124 if (veb)
1125 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1126 else
1127 dev_info(&pf->pdev->dev, "add relay failed\n");
1128
1129 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1130 int i;
1131 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1132 if (cnt != 1) {
1133 dev_info(&pf->pdev->dev,
1134 "del relay: bad command string, cnt=%d\n",
1135 cnt);
1136 goto command_write_done;
1137 } else if (veb_seid < 0) {
1138 dev_info(&pf->pdev->dev,
1139 "del relay %d: bad relay seid\n", veb_seid);
1140 goto command_write_done;
1141 }
1142
1143
1144 for (i = 0; i < I40E_MAX_VEB; i++)
1145 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1146 break;
1147 if (i >= I40E_MAX_VEB) {
1148 dev_info(&pf->pdev->dev,
1149 "del relay: relay %d not found\n", veb_seid);
1150 goto command_write_done;
1151 }
1152
1153 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1154 i40e_veb_release(pf->veb[i]);
1155
1156 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
1157 struct i40e_mac_filter *f;
1158 int vlan = 0;
1159 u8 ma[6];
1160 int ret;
1161
1162 cnt = sscanf(&cmd_buf[11],
1163 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1164 &vsi_seid,
1165 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1166 &vlan);
1167 if (cnt == 7) {
1168 vlan = 0;
1169 } else if (cnt != 8) {
1170 dev_info(&pf->pdev->dev,
1171 "add macaddr: bad command string, cnt=%d\n",
1172 cnt);
1173 goto command_write_done;
1174 }
1175
1176 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1177 if (!vsi) {
1178 dev_info(&pf->pdev->dev,
1179 "add macaddr: VSI %d not found\n", vsi_seid);
1180 goto command_write_done;
1181 }
1182
1183 f = i40e_add_filter(vsi, ma, vlan, false, false);
1184 ret = i40e_sync_vsi_filters(vsi);
1185 if (f && !ret)
1186 dev_info(&pf->pdev->dev,
1187 "add macaddr: %pM vlan=%d added to VSI %d\n",
1188 ma, vlan, vsi_seid);
1189 else
1190 dev_info(&pf->pdev->dev,
1191 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1192 ma, vlan, vsi_seid, f, ret);
1193
1194 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
1195 int vlan = 0;
1196 u8 ma[6];
1197 int ret;
1198
1199 cnt = sscanf(&cmd_buf[11],
1200 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1201 &vsi_seid,
1202 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1203 &vlan);
1204 if (cnt == 7) {
1205 vlan = 0;
1206 } else if (cnt != 8) {
1207 dev_info(&pf->pdev->dev,
1208 "del macaddr: bad command string, cnt=%d\n",
1209 cnt);
1210 goto command_write_done;
1211 }
1212
1213 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1214 if (!vsi) {
1215 dev_info(&pf->pdev->dev,
1216 "del macaddr: VSI %d not found\n", vsi_seid);
1217 goto command_write_done;
1218 }
1219
1220 i40e_del_filter(vsi, ma, vlan, false, false);
1221 ret = i40e_sync_vsi_filters(vsi);
1222 if (!ret)
1223 dev_info(&pf->pdev->dev,
1224 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1225 ma, vlan, vsi_seid);
1226 else
1227 dev_info(&pf->pdev->dev,
1228 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1229 ma, vlan, vsi_seid, ret);
1230
1231 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
1232 i40e_status ret;
1233 u16 vid;
1234 int v;
1235
1236 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1237 if (cnt != 2) {
1238 dev_info(&pf->pdev->dev,
1239 "add pvid: bad command string, cnt=%d\n", cnt);
1240 goto command_write_done;
1241 }
1242
1243 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1244 if (!vsi) {
1245 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1246 vsi_seid);
1247 goto command_write_done;
1248 }
1249
1250 vid = (unsigned)v;
1251 ret = i40e_vsi_add_pvid(vsi, vid);
1252 if (!ret)
1253 dev_info(&pf->pdev->dev,
1254 "add pvid: %d added to VSI %d\n",
1255 vid, vsi_seid);
1256 else
1257 dev_info(&pf->pdev->dev,
1258 "add pvid: %d to VSI %d failed, ret=%d\n",
1259 vid, vsi_seid, ret);
1260
1261 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1262
1263 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1264 if (cnt != 1) {
1265 dev_info(&pf->pdev->dev,
1266 "del pvid: bad command string, cnt=%d\n",
1267 cnt);
1268 goto command_write_done;
1269 }
1270
1271 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1272 if (!vsi) {
1273 dev_info(&pf->pdev->dev,
1274 "del pvid: VSI %d not found\n", vsi_seid);
1275 goto command_write_done;
1276 }
1277
1278 i40e_vsi_remove_pvid(vsi);
1279 dev_info(&pf->pdev->dev,
1280 "del pvid: removed from VSI %d\n", vsi_seid);
1281
1282 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1283 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1284 i40e_fetch_switch_configuration(pf, true);
1285 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1286 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1287 if (cnt > 0)
1288 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1289 else
1290 i40e_dbg_dump_vsi_no_seid(pf);
1291 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1292 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1293 if (cnt > 0)
1294 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1295 else
1296 i40e_dbg_dump_veb_all(pf);
1297 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1298 int ring_id, desc_n;
1299 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1300 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1301 &vsi_seid, &ring_id, &desc_n);
1302 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1303 desc_n, pf, true);
1304 } else if (strncmp(&cmd_buf[10], "tx", 2)
1305 == 0) {
1306 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1307 &vsi_seid, &ring_id, &desc_n);
1308 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1309 desc_n, pf, false);
1310 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1311 i40e_dbg_dump_aq_desc(pf);
1312 } else {
1313 dev_info(&pf->pdev->dev,
1314 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1315 dev_info(&pf->pdev->dev,
1316 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1317 dev_info(&pf->pdev->dev, "dump desc aq\n");
1318 }
1319 } else if (strncmp(&cmd_buf[5], "stats", 5) == 0) {
1320 dev_info(&pf->pdev->dev, "pf stats:\n");
1321 i40e_dbg_dump_stats(pf, &pf->stats);
1322 dev_info(&pf->pdev->dev, "pf stats_offsets:\n");
1323 i40e_dbg_dump_stats(pf, &pf->stats_offsets);
1324 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1325 dev_info(&pf->pdev->dev,
1326 "core reset count: %d\n", pf->corer_count);
1327 dev_info(&pf->pdev->dev,
1328 "global reset count: %d\n", pf->globr_count);
1329 dev_info(&pf->pdev->dev,
1330 "emp reset count: %d\n", pf->empr_count);
1331 dev_info(&pf->pdev->dev,
1332 "pf reset count: %d\n", pf->pfr_count);
1333 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1334 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1335 struct i40e_dcbx_config *cfg =
1336 &pf->hw.local_dcbx_config;
1337 struct i40e_dcbx_config *r_cfg =
1338 &pf->hw.remote_dcbx_config;
1339 int i, ret;
1340
1341 bw_data = kzalloc(sizeof(
1342 struct i40e_aqc_query_port_ets_config_resp),
1343 GFP_KERNEL);
1344 if (!bw_data) {
1345 ret = -ENOMEM;
1346 goto command_write_done;
1347 }
1348
1349 ret = i40e_aq_query_port_ets_config(&pf->hw,
1350 pf->mac_seid,
1351 bw_data, NULL);
1352 if (ret) {
1353 dev_info(&pf->pdev->dev,
1354 "Query Port ETS Config AQ command failed =0x%x\n",
1355 pf->hw.aq.asq_last_status);
1356 kfree(bw_data);
1357 bw_data = NULL;
1358 goto command_write_done;
1359 }
1360 dev_info(&pf->pdev->dev,
1361 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1362 bw_data->tc_valid_bits,
1363 bw_data->tc_strict_priority_bits,
1364 le16_to_cpu(bw_data->tc_bw_max[0]),
1365 le16_to_cpu(bw_data->tc_bw_max[1]));
1366 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1367 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1368 bw_data->tc_bw_share_credits[i],
1369 le16_to_cpu(bw_data->tc_bw_limits[i]));
1370 }
1371
1372 kfree(bw_data);
1373 bw_data = NULL;
1374
1375 dev_info(&pf->pdev->dev,
1376 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1377 cfg->etscfg.willing, cfg->etscfg.cbs,
1378 cfg->etscfg.maxtcs);
1379 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1380 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1381 i, cfg->etscfg.prioritytable[i],
1382 cfg->etscfg.tcbwtable[i],
1383 cfg->etscfg.tsatable[i]);
1384 }
1385 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1386 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1387 i, cfg->etsrec.prioritytable[i],
1388 cfg->etsrec.tcbwtable[i],
1389 cfg->etsrec.tsatable[i]);
1390 }
1391 dev_info(&pf->pdev->dev,
1392 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1393 cfg->pfc.willing, cfg->pfc.mbc,
1394 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1395 dev_info(&pf->pdev->dev,
1396 "port app_table: num_apps=%d\n", cfg->numapps);
1397 for (i = 0; i < cfg->numapps; i++) {
1398 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1399 i, cfg->app[i].priority,
1400 cfg->app[i].selector,
1401 cfg->app[i].protocolid);
1402 }
1403
1404 dev_info(&pf->pdev->dev,
1405 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1406 r_cfg->etscfg.willing,
1407 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1408 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1409 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1410 i, r_cfg->etscfg.prioritytable[i],
1411 r_cfg->etscfg.tcbwtable[i],
1412 r_cfg->etscfg.tsatable[i]);
1413 }
1414 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1415 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1416 i, r_cfg->etsrec.prioritytable[i],
1417 r_cfg->etsrec.tcbwtable[i],
1418 r_cfg->etsrec.tsatable[i]);
1419 }
1420 dev_info(&pf->pdev->dev,
1421 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1422 r_cfg->pfc.willing,
1423 r_cfg->pfc.mbc,
1424 r_cfg->pfc.pfccap,
1425 r_cfg->pfc.pfcenable);
1426 dev_info(&pf->pdev->dev,
1427 "remote port app_table: num_apps=%d\n",
1428 r_cfg->numapps);
1429 for (i = 0; i < r_cfg->numapps; i++) {
1430 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1431 i, r_cfg->app[i].priority,
1432 r_cfg->app[i].selector,
1433 r_cfg->app[i].protocolid);
1434 }
1435 } else {
1436 dev_info(&pf->pdev->dev,
1437 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1438 dev_info(&pf->pdev->dev, "dump switch, dump vsi [seid] or\n");
1439 dev_info(&pf->pdev->dev, "dump stats\n");
1440 dev_info(&pf->pdev->dev, "dump reset stats\n");
1441 dev_info(&pf->pdev->dev, "dump port\n");
1442 dev_info(&pf->pdev->dev,
1443 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1444 }
1445
1446 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1447 u32 level;
1448 cnt = sscanf(&cmd_buf[10], "%i", &level);
1449 if (cnt) {
1450 if (I40E_DEBUG_USER & level) {
1451 pf->hw.debug_mask = level;
1452 dev_info(&pf->pdev->dev,
1453 "set hw.debug_mask = 0x%08x\n",
1454 pf->hw.debug_mask);
1455 }
1456 pf->msg_enable = level;
1457 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1458 pf->msg_enable);
1459 } else {
1460 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1461 pf->msg_enable);
1462 }
1463 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1464 dev_info(&pf->pdev->dev, "forcing PFR\n");
1465 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
1466
1467 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1468 dev_info(&pf->pdev->dev, "forcing CoreR\n");
1469 i40e_do_reset(pf, (1 << __I40E_CORE_RESET_REQUESTED));
1470
1471 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1472 dev_info(&pf->pdev->dev, "forcing GlobR\n");
1473 i40e_do_reset(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
1474
1475 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1476 u32 address;
1477 u32 value;
1478 cnt = sscanf(&cmd_buf[4], "%x", &address);
1479 if (cnt != 1) {
1480 dev_info(&pf->pdev->dev, "read <reg>\n");
1481 goto command_write_done;
1482 }
1483
1484
1485 if (address >= I40E_MAX_REGISTER) {
1486 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1487 address);
1488 goto command_write_done;
1489 }
1490
1491 value = rd32(&pf->hw, address);
1492 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1493 address, value);
1494
1495 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1496 u32 address, value;
1497 cnt = sscanf(&cmd_buf[5], "%x %x", &address, &value);
1498 if (cnt != 2) {
1499 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1500 goto command_write_done;
1501 }
1502
1503
1504 if (address >= I40E_MAX_REGISTER) {
1505 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1506 address);
1507 goto command_write_done;
1508 }
1509 wr32(&pf->hw, address, value);
1510 value = rd32(&pf->hw, address);
1511 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1512 address, value);
1513 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1514 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1515 cnt = sscanf(&cmd_buf[15], "%d", &vsi_seid);
1516 if (cnt == 0) {
1517 int i;
1518 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
1519 i40e_vsi_reset_stats(pf->vsi[i]);
1520 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1521 } else if (cnt == 1) {
1522 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1523 if (!vsi) {
1524 dev_info(&pf->pdev->dev,
1525 "clear_stats vsi: bad vsi %d\n",
1526 vsi_seid);
1527 goto command_write_done;
1528 }
1529 i40e_vsi_reset_stats(vsi);
1530 dev_info(&pf->pdev->dev,
1531 "vsi clear stats called for vsi %d\n",
1532 vsi_seid);
1533 } else {
1534 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1535 }
1536 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) {
1537 i40e_pf_reset_stats(pf);
1538 dev_info(&pf->pdev->dev, "pf clear stats called\n");
1539 } else {
1540 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
1541 }
1542 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1543 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1544 struct i40e_fdir_data fd_data;
1545 u16 packet_len, i, j = 0;
1546 char *asc_packet;
1547 bool add = false;
1548 int ret;
1549
1550 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1551 GFP_KERNEL);
1552 if (!asc_packet)
1553 goto command_write_done;
1554
1555 fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1556 GFP_KERNEL);
1557
1558 if (!fd_data.raw_packet) {
1559 kfree(asc_packet);
1560 asc_packet = NULL;
1561 goto command_write_done;
1562 }
1563
1564 if (strncmp(cmd_buf, "add", 3) == 0)
1565 add = true;
1566 cnt = sscanf(&cmd_buf[13],
1567 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %512s",
1568 &fd_data.q_index,
1569 &fd_data.flex_off, &fd_data.pctype,
1570 &fd_data.dest_vsi, &fd_data.dest_ctl,
1571 &fd_data.fd_status, &fd_data.cnt_index,
1572 &fd_data.fd_id, &packet_len, asc_packet);
1573 if (cnt != 10) {
1574 dev_info(&pf->pdev->dev,
1575 "program fd_filter: bad command string, cnt=%d\n",
1576 cnt);
1577 kfree(asc_packet);
1578 asc_packet = NULL;
1579 kfree(fd_data.raw_packet);
1580 goto command_write_done;
1581 }
1582
1583
1584 if (packet_len == 0)
1585 packet_len = I40E_FDIR_MAX_RAW_PACKET_LOOKUP;
1586
1587
1588 packet_len = min_t(u16,
1589 packet_len, I40E_FDIR_MAX_RAW_PACKET_LOOKUP);
1590
1591 dev_info(&pf->pdev->dev, "FD raw packet:\n");
1592 for (i = 0; i < packet_len; i++) {
1593 sscanf(&asc_packet[j], "%2hhx ",
1594 &fd_data.raw_packet[i]);
1595 j += 3;
1596 snprintf(print_buf, 3, "%02x ", fd_data.raw_packet[i]);
1597 print_buf += 3;
1598 if ((i % 16) == 15) {
1599 snprintf(print_buf, 1, "\n");
1600 print_buf++;
1601 }
1602 }
1603 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1604 ret = i40e_program_fdir_filter(&fd_data, pf, add);
1605 if (!ret) {
1606 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1607 } else {
1608 dev_info(&pf->pdev->dev,
1609 "Filter command send failed %d\n", ret);
1610 }
1611 kfree(fd_data.raw_packet);
1612 fd_data.raw_packet = NULL;
1613 kfree(asc_packet);
1614 asc_packet = NULL;
1615 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1616 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1617 int ret;
1618 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1619 if (ret) {
1620 dev_info(&pf->pdev->dev,
1621 "Stop LLDP AQ command failed =0x%x\n",
1622 pf->hw.aq.asq_last_status);
1623 goto command_write_done;
1624 }
1625 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1626 int ret;
1627 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1628 if (ret) {
1629 dev_info(&pf->pdev->dev,
1630 "Start LLDP AQ command failed =0x%x\n",
1631 pf->hw.aq.asq_last_status);
1632 goto command_write_done;
1633 }
1634 } else if (strncmp(&cmd_buf[5],
1635 "get local", 9) == 0) {
1636 u16 llen, rlen;
1637 int ret, i;
1638 u8 *buff;
1639 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1640 if (!buff)
1641 goto command_write_done;
1642
1643 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1644 I40E_AQ_LLDP_MIB_LOCAL,
1645 buff, I40E_LLDPDU_SIZE,
1646 &llen, &rlen, NULL);
1647 if (ret) {
1648 dev_info(&pf->pdev->dev,
1649 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1650 pf->hw.aq.asq_last_status);
1651 kfree(buff);
1652 buff = NULL;
1653 goto command_write_done;
1654 }
1655 dev_info(&pf->pdev->dev,
1656 "Get LLDP MIB (local) AQ buffer written back:\n");
1657 for (i = 0; i < I40E_LLDPDU_SIZE; i++) {
1658 snprintf(print_buf, 3, "%02x ", buff[i]);
1659 print_buf += 3;
1660 if ((i % 16) == 15) {
1661 snprintf(print_buf, 1, "\n");
1662 print_buf++;
1663 }
1664 }
1665 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1666 kfree(buff);
1667 buff = NULL;
1668 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1669 u16 llen, rlen;
1670 int ret, i;
1671 u8 *buff;
1672 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1673 if (!buff)
1674 goto command_write_done;
1675
1676 ret = i40e_aq_get_lldp_mib(&pf->hw,
1677 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1678 I40E_AQ_LLDP_MIB_LOCAL,
1679 buff, I40E_LLDPDU_SIZE,
1680 &llen, &rlen, NULL);
1681 if (ret) {
1682 dev_info(&pf->pdev->dev,
1683 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1684 pf->hw.aq.asq_last_status);
1685 kfree(buff);
1686 buff = NULL;
1687 goto command_write_done;
1688 }
1689 dev_info(&pf->pdev->dev,
1690 "Get LLDP MIB (remote) AQ buffer written back:\n");
1691 for (i = 0; i < I40E_LLDPDU_SIZE; i++) {
1692 snprintf(print_buf, 3, "%02x ", buff[i]);
1693 print_buf += 3;
1694 if ((i % 16) == 15) {
1695 snprintf(print_buf, 1, "\n");
1696 print_buf++;
1697 }
1698 }
1699 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1700 kfree(buff);
1701 buff = NULL;
1702 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1703 int ret;
1704 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1705 true, NULL);
1706 if (ret) {
1707 dev_info(&pf->pdev->dev,
1708 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1709 pf->hw.aq.asq_last_status);
1710 goto command_write_done;
1711 }
1712 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1713 int ret;
1714 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1715 false, NULL);
1716 if (ret) {
1717 dev_info(&pf->pdev->dev,
1718 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1719 pf->hw.aq.asq_last_status);
1720 goto command_write_done;
1721 }
1722 }
1723 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1724 u16 buffer_len, i, bytes;
1725 u16 module;
1726 u32 offset;
1727 u16 *buff;
1728 int ret;
1729
1730 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1731 &module, &offset, &buffer_len);
1732 if (cnt == 0) {
1733 module = 0;
1734 offset = 0;
1735 buffer_len = 0;
1736 } else if (cnt == 1) {
1737 offset = 0;
1738 buffer_len = 0;
1739 } else if (cnt == 2) {
1740 buffer_len = 0;
1741 } else if (cnt > 3) {
1742 dev_info(&pf->pdev->dev,
1743 "nvm read: bad command string, cnt=%d\n", cnt);
1744 goto command_write_done;
1745 }
1746
1747
1748 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1749
1750 bytes = 2 * buffer_len;
1751
1752
1753 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1754 buff = kzalloc(bytes, GFP_KERNEL);
1755 if (!buff)
1756 goto command_write_done;
1757
1758 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1759 if (ret) {
1760 dev_info(&pf->pdev->dev,
1761 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1762 ret, pf->hw.aq.asq_last_status);
1763 kfree(buff);
1764 goto command_write_done;
1765 }
1766
1767 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1768 bytes, (u8 *)buff, true, NULL);
1769 i40e_release_nvm(&pf->hw);
1770 if (ret) {
1771 dev_info(&pf->pdev->dev,
1772 "Read NVM AQ failed err=%d status=0x%x\n",
1773 ret, pf->hw.aq.asq_last_status);
1774 } else {
1775 dev_info(&pf->pdev->dev,
1776 "Read NVM module=0x%x offset=0x%x words=%d\n",
1777 module, offset, buffer_len);
1778 for (i = 0; i < buffer_len; i++) {
1779 if ((i % 16) == 0) {
1780 snprintf(print_buf, 11, "\n0x%08x: ",
1781 offset + i);
1782 print_buf += 11;
1783 }
1784 snprintf(print_buf, 5, "%04x ", buff[i]);
1785 print_buf += 5;
1786 }
1787 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1788 }
1789 kfree(buff);
1790 buff = NULL;
1791 } else {
1792 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1793 dev_info(&pf->pdev->dev, "available commands\n");
1794 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1795 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1796 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1797 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1798 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1799 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1800 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1801 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1802 dev_info(&pf->pdev->dev, " dump switch\n");
1803 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1804 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1805 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1806 dev_info(&pf->pdev->dev, " dump desc aq\n");
1807 dev_info(&pf->pdev->dev, " dump stats\n");
1808 dev_info(&pf->pdev->dev, " dump reset stats\n");
1809 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1810 dev_info(&pf->pdev->dev, " read <reg>\n");
1811 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1812 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1813 dev_info(&pf->pdev->dev, " clear_stats pf\n");
1814 dev_info(&pf->pdev->dev, " pfr\n");
1815 dev_info(&pf->pdev->dev, " corer\n");
1816 dev_info(&pf->pdev->dev, " globr\n");
1817 dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1818 dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1819 dev_info(&pf->pdev->dev, " lldp start\n");
1820 dev_info(&pf->pdev->dev, " lldp stop\n");
1821 dev_info(&pf->pdev->dev, " lldp get local\n");
1822 dev_info(&pf->pdev->dev, " lldp get remote\n");
1823 dev_info(&pf->pdev->dev, " lldp event on\n");
1824 dev_info(&pf->pdev->dev, " lldp event off\n");
1825 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1826 }
1827
1828command_write_done:
1829 kfree(cmd_buf);
1830 cmd_buf = NULL;
1831 kfree(print_buf_start);
1832 print_buf = NULL;
1833 print_buf_start = NULL;
1834 return count;
1835}
1836
1837static const struct file_operations i40e_dbg_command_fops = {
1838 .owner = THIS_MODULE,
1839 .open = simple_open,
1840 .read = i40e_dbg_command_read,
1841 .write = i40e_dbg_command_write,
1842};
1843
1844
1845
1846
1847
1848
1849static char i40e_dbg_netdev_ops_buf[256] = "hello world";
1850
1851
1852
1853
1854
1855
1856
1857
1858static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1859 size_t count, loff_t *ppos)
1860{
1861 struct i40e_pf *pf = filp->private_data;
1862 int bytes_not_copied;
1863 int buf_size = 256;
1864 char *buf;
1865 int len;
1866
1867
1868 if (*ppos != 0)
1869 return 0;
1870 if (count < buf_size)
1871 return -ENOSPC;
1872
1873 buf = kzalloc(buf_size, GFP_KERNEL);
1874 if (!buf)
1875 return -ENOSPC;
1876
1877 len = snprintf(buf, buf_size, "%s: %s\n",
1878 pf->vsi[pf->lan_vsi]->netdev->name,
1879 i40e_dbg_netdev_ops_buf);
1880
1881 bytes_not_copied = copy_to_user(buffer, buf, len);
1882 kfree(buf);
1883
1884 if (bytes_not_copied < 0)
1885 return bytes_not_copied;
1886
1887 *ppos = len;
1888 return len;
1889}
1890
1891
1892
1893
1894
1895
1896
1897
1898static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1899 const char __user *buffer,
1900 size_t count, loff_t *ppos)
1901{
1902 struct i40e_pf *pf = filp->private_data;
1903 int bytes_not_copied;
1904 struct i40e_vsi *vsi;
1905 char *buf_tmp;
1906 int vsi_seid;
1907 int i, cnt;
1908
1909
1910 if (*ppos != 0)
1911 return 0;
1912 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1913 return -ENOSPC;
1914
1915 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1916 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1917 buffer, count);
1918 if (bytes_not_copied < 0)
1919 return bytes_not_copied;
1920 else if (bytes_not_copied > 0)
1921 count -= bytes_not_copied;
1922 i40e_dbg_netdev_ops_buf[count] = '\0';
1923
1924 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1925 if (buf_tmp) {
1926 *buf_tmp = '\0';
1927 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1928 }
1929
1930 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1931 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1932 if (cnt != 1) {
1933 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1934 goto netdev_ops_write_done;
1935 }
1936 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1937 if (!vsi) {
1938 dev_info(&pf->pdev->dev,
1939 "tx_timeout: VSI %d not found\n", vsi_seid);
1940 goto netdev_ops_write_done;
1941 }
1942 if (rtnl_trylock()) {
1943 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1944 rtnl_unlock();
1945 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1946 } else {
1947 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1948 }
1949 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1950 int mtu;
1951 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1952 &vsi_seid, &mtu);
1953 if (cnt != 2) {
1954 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1955 goto netdev_ops_write_done;
1956 }
1957 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1958 if (!vsi) {
1959 dev_info(&pf->pdev->dev,
1960 "change_mtu: VSI %d not found\n", vsi_seid);
1961 goto netdev_ops_write_done;
1962 }
1963 if (rtnl_trylock()) {
1964 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1965 mtu);
1966 rtnl_unlock();
1967 dev_info(&pf->pdev->dev, "change_mtu called\n");
1968 } else {
1969 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1970 }
1971
1972 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1973 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1974 if (cnt != 1) {
1975 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1976 goto netdev_ops_write_done;
1977 }
1978 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1979 if (!vsi) {
1980 dev_info(&pf->pdev->dev,
1981 "set_rx_mode: VSI %d not found\n", vsi_seid);
1982 goto netdev_ops_write_done;
1983 }
1984 if (rtnl_trylock()) {
1985 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1986 rtnl_unlock();
1987 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1988 } else {
1989 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1990 }
1991
1992 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1993 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1994 if (cnt != 1) {
1995 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1996 goto netdev_ops_write_done;
1997 }
1998 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1999 if (!vsi) {
2000 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2001 vsi_seid);
2002 goto netdev_ops_write_done;
2003 }
2004 for (i = 0; i < vsi->num_q_vectors; i++)
2005 napi_schedule(&vsi->q_vectors[i]->napi);
2006 dev_info(&pf->pdev->dev, "napi called\n");
2007 } else {
2008 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2009 i40e_dbg_netdev_ops_buf);
2010 dev_info(&pf->pdev->dev, "available commands\n");
2011 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2012 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2013 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2014 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2015 }
2016netdev_ops_write_done:
2017 return count;
2018}
2019
2020static const struct file_operations i40e_dbg_netdev_ops_fops = {
2021 .owner = THIS_MODULE,
2022 .open = simple_open,
2023 .read = i40e_dbg_netdev_ops_read,
2024 .write = i40e_dbg_netdev_ops_write,
2025};
2026
2027
2028
2029
2030
2031void i40e_dbg_pf_init(struct i40e_pf *pf)
2032{
2033 struct dentry *pfile;
2034 const char *name = pci_name(pf->pdev);
2035 const struct device *dev = &pf->pdev->dev;
2036
2037 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
2038 if (!pf->i40e_dbg_pf)
2039 return;
2040
2041 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2042 &i40e_dbg_command_fops);
2043 if (!pfile)
2044 goto create_failed;
2045
2046 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2047 &i40e_dbg_dump_fops);
2048 if (!pfile)
2049 goto create_failed;
2050
2051 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2052 &i40e_dbg_netdev_ops_fops);
2053 if (!pfile)
2054 goto create_failed;
2055
2056 return;
2057
2058create_failed:
2059 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2060 debugfs_remove_recursive(pf->i40e_dbg_pf);
2061 return;
2062}
2063
2064
2065
2066
2067
2068void i40e_dbg_pf_exit(struct i40e_pf *pf)
2069{
2070 debugfs_remove_recursive(pf->i40e_dbg_pf);
2071 pf->i40e_dbg_pf = NULL;
2072
2073 kfree(i40e_dbg_dump_buf);
2074 i40e_dbg_dump_buf = NULL;
2075}
2076
2077
2078
2079
2080void i40e_dbg_init(void)
2081{
2082 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2083 if (!i40e_dbg_root)
2084 pr_info("init of debugfs failed\n");
2085}
2086
2087
2088
2089
2090void i40e_dbg_exit(void)
2091{
2092 debugfs_remove_recursive(i40e_dbg_root);
2093 i40e_dbg_root = NULL;
2094}
2095
2096#endif
2097
