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i40e: Fix SR-IOV VF port VLAN
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / intel / i40e / i40e_debugfs.c
CommitLineData
02e9c290
JB		 1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 *
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *
26 ******************************************************************************/
27
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 * i40e_dbg_find_vsi - searches for the vsi with the given seid
39 * @pf - the pf structure to search for the vsi
40 * @seid - seid of the vsi it is searching for
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 * i40e_dbg_find_veb - searches for the veb with the given seid
58 * @pf - the pf structure to search for the veb
59 * @seid - seid of the veb it is searching for
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 * dump
77 * The dump entry in debugfs is for getting a data snapshow of
78 * the driver's current configuration and runtime details.
79 * When the filesystem entry is written, a snapshot is taken.
80 * When the entry is read, the most recent snapshot data is dumped.
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 * i40e_dbg_dump_read - read the dump data
88 * @filp: the opened file
89 * @buffer: where to write the data for the user to read
90 * @count: the size of the user's buffer
91 * @ppos: file position offset
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 /* is *ppos bigger than the available data? */
100 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
101 return 0;
102
103 /* be sure to not read beyond the end of available data */
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 * i40e_dbg_prep_dump_buf
116 * @pf: the pf we're working with
117 * @buflen: the desired buffer length
118 *
119 * Return positive if success, 0 if failed
120 **/
121static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen)
122{
123 /* if not already big enough, prep for re alloc */
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 /* get a new buffer if needed */
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 * i40e_dbg_dump_write - trigger a datadump snapshot
142 * @filp: the opened file
143 * @buffer: where to find the user's data
144 * @count: the length of the user's data
145 * @ppos: file position offset
146 *
147 * Any write clears the stats
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;
02e9c290 154 bool seid_found = false;
02e9c290
JB		 155 long seid = -1;
156 int buflen = 0;
157 int i, ret;
158 int len;
159 u8 *p;
160
161 /* don't allow partial writes */
162 if (*ppos != 0)
163 return 0;
02e9c290
JB		 164
165 /* decode the SEID given to be dumped */
004173cb
JB		 166 ret = kstrtol_from_user(buffer, count, 0, &seid);
167
168 if (ret) {
169 dev_info(&pf->pdev->dev, "bad seid value\n");
02e9c290
JB		 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);
90bb776a 195 memcpy(p, pf->hw.aq.asq.desc_buf.va, len);
02e9c290
JB		 196 p += len;
197
198 len = (sizeof(struct i40e_aq_desc)
199 * pf->hw.aq.num_arq_entries);
90bb776a 200 memcpy(p, pf->hw.aq.arq.desc_buf.va, len);
02e9c290
JB		 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
59072ba1
SN		 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 }
02e9c290 243
59072ba1
SN		 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);
02e9c290
JB		 250 p += len;
251 }
59072ba1
SN		 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 }
02e9c290 259 len = sizeof(struct i40e_rx_buffer);
59072ba1
SN		 260 for (i = 0; i < vsi->num_queue_pairs; i++) {
261 memcpy(p, vsi->rx_rings[i]->rx_bi, len);
262 p += len;
263 }
02e9c290
JB		 264 }
265
266 /* macvlan filter list */
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 * command
317 * The command entry in debugfs is for giving the driver commands
318 * to be executed - these may be for changing the internal switch
319 * setup, adding or removing filters, or other things. Many of
320 * these will be useful for some forms of unit testing.
321 **************************************************************/
322static char i40e_dbg_command_buf[256] = "hello world";
323
324/**
325 * i40e_dbg_command_read - read for command datum
326 * @filp: the opened file
327 * @buffer: where to write the data for the user to read
328 * @count: the size of the user's buffer
329 * @ppos: file position offset
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 /* don't allow partial reads */
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/**
e625f71b 365 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
02e9c290
JB		 366 * @pf: the i40e_pf created in command write
367 * @seid: the seid the user put in
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);
9f65e15b
AD		 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);
02e9c290 531 }
9f65e15b
AD		 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);
02e9c290 579 }
9f65e15b 580 rcu_read_unlock();
02e9c290
JB		 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);
02e9c290
JB		 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 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
704 * @pf: the i40e_pf created in command write
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;
e625f71b 710 char hdr[32];
02e9c290
JB		 711 int i;
712
e625f71b
SN		 713 snprintf(hdr, sizeof(hdr), "%s %s: ",
714 dev_driver_string(&pf->pdev->dev),
715 dev_name(&pf->pdev->dev));
716
02e9c290
JB		 717 /* first the send (command) ring, then the receive (event) ring */
718 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
719 ring = &(hw->aq.asq);
720 for (i = 0; i < ring->count; i++) {
721 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
722 dev_info(&pf->pdev->dev,
723 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
724 i, d->flags, d->opcode, d->datalen, d->retval,
725 d->cookie_high, d->cookie_low);
e625f71b
SN		 726 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
727 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 728 }
729
730 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
731 ring = &(hw->aq.arq);
732 for (i = 0; i < ring->count; i++) {
733 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
734 dev_info(&pf->pdev->dev,
735 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
736 i, d->flags, d->opcode, d->datalen, d->retval,
737 d->cookie_high, d->cookie_low);
e625f71b
SN		 738 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
739 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 740 }
741}
742
743/**
744 * i40e_dbg_dump_desc - handles dump desc write into command datum
745 * @cnt: number of arguments that the user supplied
746 * @vsi_seid: vsi id entered by user
747 * @ring_id: ring id entered by user
748 * @desc_n: descriptor number entered by user
749 * @pf: the i40e_pf created in command write
750 * @is_rx_ring: true if rx, false if tx
751 **/
752static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
753 struct i40e_pf *pf, bool is_rx_ring)
754{
755 union i40e_rx_desc *ds;
756 struct i40e_ring ring;
757 struct i40e_vsi *vsi;
758 int i;
759
760 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
761 if (!vsi) {
7792fe4f 762 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
02e9c290
JB		 763 return;
764 }
765 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
766 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
02e9c290
JB		 767 return;
768 }
29d0790e
SN		 769 if (!vsi->tx_rings) {
770 dev_info(&pf->pdev->dev,
771 "descriptor rings have not been allocated for vsi %d\n",
772 vsi_seid);
773 return;
774 }
02e9c290 775 if (is_rx_ring)
9f65e15b 776 ring = *vsi->rx_rings[ring_id];
02e9c290 777 else
9f65e15b 778 ring = *vsi->tx_rings[ring_id];
02e9c290
JB		 779 if (cnt == 2) {
780 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
781 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
782 for (i = 0; i < ring.count; i++) {
783 if (is_rx_ring)
784 ds = I40E_RX_DESC(&ring, i);
785 else
786 ds = (union i40e_rx_desc *)
787 I40E_TX_DESC(&ring, i);
788 if ((sizeof(union i40e_rx_desc) ==
789 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
790 dev_info(&pf->pdev->dev,
791 " d[%03i] = 0x%016llx 0x%016llx\n", i,
792 ds->read.pkt_addr, ds->read.hdr_addr);
793 else
794 dev_info(&pf->pdev->dev,
795 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
796 i, ds->read.pkt_addr,
797 ds->read.hdr_addr,
798 ds->read.rsvd1, ds->read.rsvd2);
799 }
800 } else if (cnt == 3) {
801 if (desc_n >= ring.count || desc_n < 0) {
802 dev_info(&pf->pdev->dev,
803 "descriptor %d not found\n", desc_n);
804 return;
805 }
806 if (is_rx_ring)
807 ds = I40E_RX_DESC(&ring, desc_n);
808 else
809 ds = (union i40e_rx_desc *)I40E_TX_DESC(&ring, desc_n);
810 if ((sizeof(union i40e_rx_desc) ==
811 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
812 dev_info(&pf->pdev->dev,
813 "vsi = %02i %s ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
814 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id,
815 desc_n, ds->read.pkt_addr, ds->read.hdr_addr);
816 else
817 dev_info(&pf->pdev->dev,
818 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
819 vsi_seid, ring_id,
820 desc_n, ds->read.pkt_addr, ds->read.hdr_addr,
821 ds->read.rsvd1, ds->read.rsvd2);
822 } else {
7792fe4f 823 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
02e9c290
JB		 824 }
825}
826
827/**
828 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
829 * @pf: the i40e_pf created in command write
830 **/
831static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
832{
833 int i;
834
835 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
836 if (pf->vsi[i])
837 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
838 i, pf->vsi[i]->seid);
839}
840
841/**
842 * i40e_dbg_dump_stats - handles dump stats write into command datum
843 * @pf: the i40e_pf created in command write
844 * @estats: the eth stats structure to be dumped
845 **/
846static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
847 struct i40e_eth_stats *estats)
848{
849 dev_info(&pf->pdev->dev, " ethstats:\n");
850 dev_info(&pf->pdev->dev,
851 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
852 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
853 dev_info(&pf->pdev->dev,
854 " rx_broadcast = \t%lld \trx_discards = \t\t%lld \trx_errors = \t%lld\n",
855 estats->rx_broadcast, estats->rx_discards, estats->rx_errors);
856 dev_info(&pf->pdev->dev,
857 " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
858 estats->rx_missed, estats->rx_unknown_protocol,
859 estats->tx_bytes);
860 dev_info(&pf->pdev->dev,
861 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
862 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
863 dev_info(&pf->pdev->dev,
864 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
865 estats->tx_discards, estats->tx_errors);
866}
867
868/**
869 * i40e_dbg_dump_stats - handles dump stats write into command datum
870 * @pf: the i40e_pf created in command write
871 * @stats: the stats structure to be dumped
872 **/
873static void i40e_dbg_dump_stats(struct i40e_pf *pf,
874 struct i40e_hw_port_stats *stats)
875{
876 int i;
877
878 dev_info(&pf->pdev->dev, " stats:\n");
879 dev_info(&pf->pdev->dev,
880 " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n",
881 stats->crc_errors, stats->illegal_bytes, stats->error_bytes);
882 dev_info(&pf->pdev->dev,
883 " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n",
884 stats->mac_local_faults, stats->mac_remote_faults,
885 stats->rx_length_errors);
886 dev_info(&pf->pdev->dev,
887 " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n",
888 stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx);
889 dev_info(&pf->pdev->dev,
890 " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n",
891 stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127);
892 dev_info(&pf->pdev->dev,
893 " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n",
894 stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023);
895 dev_info(&pf->pdev->dev,
896 " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n",
897 stats->rx_size_big, stats->rx_undersize, stats->rx_jabber);
898 dev_info(&pf->pdev->dev,
899 " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n",
900 stats->rx_fragments, stats->rx_oversize, stats->tx_size_64);
901 dev_info(&pf->pdev->dev,
902 " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n",
903 stats->tx_size_127, stats->tx_size_255, stats->tx_size_511);
904 dev_info(&pf->pdev->dev,
905 " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n",
906 stats->tx_size_1023, stats->tx_size_big,
907 stats->mac_short_packet_dropped);
908 for (i = 0; i < 8; i += 4) {
909 dev_info(&pf->pdev->dev,
910 " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
911 i, stats->priority_xon_rx[i],
912 i+1, stats->priority_xon_rx[i+1],
913 i+2, stats->priority_xon_rx[i+2],
914 i+3, stats->priority_xon_rx[i+3]);
915 }
916 for (i = 0; i < 8; i += 4) {
917 dev_info(&pf->pdev->dev,
918 " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
919 i, stats->priority_xoff_rx[i],
920 i+1, stats->priority_xoff_rx[i+1],
921 i+2, stats->priority_xoff_rx[i+2],
922 i+3, stats->priority_xoff_rx[i+3]);
923 }
924 for (i = 0; i < 8; i += 4) {
925 dev_info(&pf->pdev->dev,
926 " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
927 i, stats->priority_xon_tx[i],
928 i+1, stats->priority_xon_tx[i+1],
929 i+2, stats->priority_xon_tx[i+2],
930 i+3, stats->priority_xon_rx[i+3]);
931 }
932 for (i = 0; i < 8; i += 4) {
933 dev_info(&pf->pdev->dev,
934 " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
935 i, stats->priority_xoff_tx[i],
936 i+1, stats->priority_xoff_tx[i+1],
937 i+2, stats->priority_xoff_tx[i+2],
938 i+3, stats->priority_xoff_tx[i+3]);
939 }
940 for (i = 0; i < 8; i += 4) {
941 dev_info(&pf->pdev->dev,
942 " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
943 i, stats->priority_xon_2_xoff[i],
944 i+1, stats->priority_xon_2_xoff[i+1],
945 i+2, stats->priority_xon_2_xoff[i+2],
946 i+3, stats->priority_xon_2_xoff[i+3]);
947 }
948
949 i40e_dbg_dump_eth_stats(pf, &stats->eth);
950}
951
952/**
953 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
954 * @pf: the i40e_pf created in command write
955 * @seid: the seid the user put in
956 **/
957static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
958{
959 struct i40e_veb *veb;
960
961 if ((seid < I40E_BASE_VEB_SEID) ||
962 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
963 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
964 return;
965 }
966
967 veb = i40e_dbg_find_veb(pf, seid);
968 if (!veb) {
e625f71b 969 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
02e9c290
JB		 970 return;
971 }
972 dev_info(&pf->pdev->dev,
973 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
974 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
975 veb->uplink_seid);
976 i40e_dbg_dump_eth_stats(pf, &veb->stats);
977}
978
979/**
980 * i40e_dbg_dump_veb_all - dumps all known veb's stats
981 * @pf: the i40e_pf created in command write
982 **/
983static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
984{
985 struct i40e_veb *veb;
986 int i;
987
988 for (i = 0; i < I40E_MAX_VEB; i++) {
989 veb = pf->veb[i];
990 if (veb)
991 i40e_dbg_dump_veb_seid(pf, veb->seid);
992 }
993}
994
995#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
996/**
997 * i40e_dbg_command_write - write into command datum
998 * @filp: the opened file
999 * @buffer: where to find the user's data
1000 * @count: the length of the user's data
1001 * @ppos: file position offset
1002 **/
1003static ssize_t i40e_dbg_command_write(struct file *filp,
1004 const char __user *buffer,
1005 size_t count, loff_t *ppos)
1006{
1007 struct i40e_pf *pf = filp->private_data;
004173cb 1008 char *cmd_buf, *cmd_buf_tmp;
02e9c290
JB		 1009 int bytes_not_copied;
1010 struct i40e_vsi *vsi;
02e9c290
JB		 1011 int vsi_seid;
1012 int veb_seid;
1013 int cnt;
1014
1015 /* don't allow partial writes */
1016 if (*ppos != 0)
1017 return 0;
1018
1019 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
1020 if (!cmd_buf)
1021 return count;
1022 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
1023 if (bytes_not_copied < 0)
1024 return bytes_not_copied;
1025 if (bytes_not_copied > 0)
1026 count -= bytes_not_copied;
1027 cmd_buf[count] = '\0';
1028
004173cb
JB		 1029 cmd_buf_tmp = strchr(cmd_buf, '\n');
1030 if (cmd_buf_tmp) {
1031 *cmd_buf_tmp = '\0';
1032 count = cmd_buf_tmp - cmd_buf + 1;
1033 }
1034
02e9c290
JB		 1035 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1036 vsi_seid = -1;
1037 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1038 if (cnt == 0) {
1039 /* default to PF VSI */
1040 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1041 } else if (vsi_seid < 0) {
1042 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1043 vsi_seid);
1044 goto command_write_done;
1045 }
1046
1047 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1048 if (vsi)
1049 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1050 vsi->seid, vsi->uplink_seid);
1051 else
1052 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1053
1054 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1055 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1056 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1057 if (!vsi) {
1058 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1059 vsi_seid);
1060 goto command_write_done;
1061 }
1062
1063 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1064 i40e_vsi_release(vsi);
1065
1066 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1067 struct i40e_veb *veb;
1068 int uplink_seid, i;
1069
1070 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1071 if (cnt != 2) {
1072 dev_info(&pf->pdev->dev,
1073 "add relay: bad command string, cnt=%d\n",
1074 cnt);
1075 goto command_write_done;
1076 } else if (uplink_seid < 0) {
1077 dev_info(&pf->pdev->dev,
1078 "add relay %d: bad uplink seid\n",
1079 uplink_seid);
1080 goto command_write_done;
1081 }
1082
1083 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1084 if (!vsi) {
1085 dev_info(&pf->pdev->dev,
1086 "add relay: vsi VSI %d not found\n", vsi_seid);
1087 goto command_write_done;
1088 }
1089
1090 for (i = 0; i < I40E_MAX_VEB; i++)
1091 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1092 break;
1093 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1094 uplink_seid != pf->mac_seid) {
1095 dev_info(&pf->pdev->dev,
1096 "add relay: relay uplink %d not found\n",
1097 uplink_seid);
1098 goto command_write_done;
1099 }
1100
1101 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1102 vsi->tc_config.enabled_tc);
1103 if (veb)
1104 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1105 else
1106 dev_info(&pf->pdev->dev, "add relay failed\n");
1107
1108 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1109 int i;
1110 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1111 if (cnt != 1) {
1112 dev_info(&pf->pdev->dev,
1113 "del relay: bad command string, cnt=%d\n",
1114 cnt);
1115 goto command_write_done;
1116 } else if (veb_seid < 0) {
1117 dev_info(&pf->pdev->dev,
1118 "del relay %d: bad relay seid\n", veb_seid);
1119 goto command_write_done;
1120 }
1121
1122 /* find the veb */
1123 for (i = 0; i < I40E_MAX_VEB; i++)
1124 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1125 break;
1126 if (i >= I40E_MAX_VEB) {
1127 dev_info(&pf->pdev->dev,
1128 "del relay: relay %d not found\n", veb_seid);
1129 goto command_write_done;
1130 }
1131
1132 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1133 i40e_veb_release(pf->veb[i]);
1134
1135 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
02e9c290 1136 struct i40e_mac_filter *f;
738a9e9b
SN		 1137 int vlan = 0;
1138 u8 ma[6];
02e9c290
JB		 1139 int ret;
1140
1141 cnt = sscanf(&cmd_buf[11],
1142 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1143 &vsi_seid,
1144 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1145 &vlan);
1146 if (cnt == 7) {
1147 vlan = 0;
1148 } else if (cnt != 8) {
1149 dev_info(&pf->pdev->dev,
1150 "add macaddr: bad command string, cnt=%d\n",
1151 cnt);
1152 goto command_write_done;
1153 }
1154
1155 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1156 if (!vsi) {
1157 dev_info(&pf->pdev->dev,
1158 "add macaddr: VSI %d not found\n", vsi_seid);
1159 goto command_write_done;
1160 }
1161
1162 f = i40e_add_filter(vsi, ma, vlan, false, false);
1163 ret = i40e_sync_vsi_filters(vsi);
1164 if (f && !ret)
1165 dev_info(&pf->pdev->dev,
1166 "add macaddr: %pM vlan=%d added to VSI %d\n",
1167 ma, vlan, vsi_seid);
1168 else
1169 dev_info(&pf->pdev->dev,
1170 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1171 ma, vlan, vsi_seid, f, ret);
1172
1173 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
02e9c290 1174 int vlan = 0;
738a9e9b 1175 u8 ma[6];
02e9c290
JB		 1176 int ret;
1177
1178 cnt = sscanf(&cmd_buf[11],
1179 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1180 &vsi_seid,
1181 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1182 &vlan);
1183 if (cnt == 7) {
1184 vlan = 0;
1185 } else if (cnt != 8) {
1186 dev_info(&pf->pdev->dev,
1187 "del macaddr: bad command string, cnt=%d\n",
1188 cnt);
1189 goto command_write_done;
1190 }
1191
1192 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1193 if (!vsi) {
1194 dev_info(&pf->pdev->dev,
1195 "del macaddr: VSI %d not found\n", vsi_seid);
1196 goto command_write_done;
1197 }
1198
1199 i40e_del_filter(vsi, ma, vlan, false, false);
1200 ret = i40e_sync_vsi_filters(vsi);
1201 if (!ret)
1202 dev_info(&pf->pdev->dev,
1203 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1204 ma, vlan, vsi_seid);
1205 else
1206 dev_info(&pf->pdev->dev,
1207 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1208 ma, vlan, vsi_seid, ret);
1209
1210 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
02e9c290 1211 i40e_status ret;
738a9e9b
SN		 1212 u16 vid;
1213 int v;
02e9c290
JB		 1214
1215 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1216 if (cnt != 2) {
1217 dev_info(&pf->pdev->dev,
1218 "add pvid: bad command string, cnt=%d\n", cnt);
1219 goto command_write_done;
1220 }
1221
1222 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1223 if (!vsi) {
1224 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1225 vsi_seid);
1226 goto command_write_done;
1227 }
1228
1229 vid = (unsigned)v;
1230 ret = i40e_vsi_add_pvid(vsi, vid);
1231 if (!ret)
1232 dev_info(&pf->pdev->dev,
1233 "add pvid: %d added to VSI %d\n",
1234 vid, vsi_seid);
1235 else
1236 dev_info(&pf->pdev->dev,
1237 "add pvid: %d to VSI %d failed, ret=%d\n",
1238 vid, vsi_seid, ret);
1239
1240 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1241
1242 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1243 if (cnt != 1) {
1244 dev_info(&pf->pdev->dev,
1245 "del pvid: bad command string, cnt=%d\n",
1246 cnt);
1247 goto command_write_done;
1248 }
1249
1250 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1251 if (!vsi) {
1252 dev_info(&pf->pdev->dev,
1253 "del pvid: VSI %d not found\n", vsi_seid);
1254 goto command_write_done;
1255 }
1256
1257 i40e_vsi_remove_pvid(vsi);
1258 dev_info(&pf->pdev->dev,
1259 "del pvid: removed from VSI %d\n", vsi_seid);
1260
1261 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1262 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1263 i40e_fetch_switch_configuration(pf, true);
1264 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1265 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1266 if (cnt > 0)
1267 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1268 else
1269 i40e_dbg_dump_vsi_no_seid(pf);
1270 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1271 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1272 if (cnt > 0)
1273 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1274 else
1275 i40e_dbg_dump_veb_all(pf);
1276 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1277 int ring_id, desc_n;
1278 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1279 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1280 &vsi_seid, &ring_id, &desc_n);
1281 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1282 desc_n, pf, true);
1283 } else if (strncmp(&cmd_buf[10], "tx", 2)
1284 == 0) {
1285 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1286 &vsi_seid, &ring_id, &desc_n);
1287 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1288 desc_n, pf, false);
1289 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1290 i40e_dbg_dump_aq_desc(pf);
1291 } else {
1292 dev_info(&pf->pdev->dev,
1293 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1294 dev_info(&pf->pdev->dev,
1295 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1296 dev_info(&pf->pdev->dev, "dump desc aq\n");
1297 }
1298 } else if (strncmp(&cmd_buf[5], "stats", 5) == 0) {
1299 dev_info(&pf->pdev->dev, "pf stats:\n");
1300 i40e_dbg_dump_stats(pf, &pf->stats);
1301 dev_info(&pf->pdev->dev, "pf stats_offsets:\n");
1302 i40e_dbg_dump_stats(pf, &pf->stats_offsets);
1303 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1304 dev_info(&pf->pdev->dev,
1305 "core reset count: %d\n", pf->corer_count);
1306 dev_info(&pf->pdev->dev,
1307 "global reset count: %d\n", pf->globr_count);
1308 dev_info(&pf->pdev->dev,
1309 "emp reset count: %d\n", pf->empr_count);
1310 dev_info(&pf->pdev->dev,
1311 "pf reset count: %d\n", pf->pfr_count);
1312 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1313 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1314 struct i40e_dcbx_config *cfg =
1315 &pf->hw.local_dcbx_config;
1316 struct i40e_dcbx_config *r_cfg =
1317 &pf->hw.remote_dcbx_config;
1318 int i, ret;
1319
1320 bw_data = kzalloc(sizeof(
1321 struct i40e_aqc_query_port_ets_config_resp),
1322 GFP_KERNEL);
1323 if (!bw_data) {
1324 ret = -ENOMEM;
1325 goto command_write_done;
1326 }
1327
1328 ret = i40e_aq_query_port_ets_config(&pf->hw,
1329 pf->mac_seid,
1330 bw_data, NULL);
1331 if (ret) {
1332 dev_info(&pf->pdev->dev,
1333 "Query Port ETS Config AQ command failed =0x%x\n",
1334 pf->hw.aq.asq_last_status);
1335 kfree(bw_data);
1336 bw_data = NULL;
1337 goto command_write_done;
1338 }
1339 dev_info(&pf->pdev->dev,
1340 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1341 bw_data->tc_valid_bits,
1342 bw_data->tc_strict_priority_bits,
1343 le16_to_cpu(bw_data->tc_bw_max[0]),
1344 le16_to_cpu(bw_data->tc_bw_max[1]));
1345 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1346 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1347 bw_data->tc_bw_share_credits[i],
1348 le16_to_cpu(bw_data->tc_bw_limits[i]));
1349 }
1350
1351 kfree(bw_data);
1352 bw_data = NULL;
1353
1354 dev_info(&pf->pdev->dev,
1355 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1356 cfg->etscfg.willing, cfg->etscfg.cbs,
1357 cfg->etscfg.maxtcs);
1358 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1359 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1360 i, cfg->etscfg.prioritytable[i],
1361 cfg->etscfg.tcbwtable[i],
1362 cfg->etscfg.tsatable[i]);
1363 }
1364 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1365 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1366 i, cfg->etsrec.prioritytable[i],
1367 cfg->etsrec.tcbwtable[i],
1368 cfg->etsrec.tsatable[i]);
1369 }
1370 dev_info(&pf->pdev->dev,
1371 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1372 cfg->pfc.willing, cfg->pfc.mbc,
1373 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1374 dev_info(&pf->pdev->dev,
1375 "port app_table: num_apps=%d\n", cfg->numapps);
1376 for (i = 0; i < cfg->numapps; i++) {
1377 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1378 i, cfg->app[i].priority,
1379 cfg->app[i].selector,
1380 cfg->app[i].protocolid);
1381 }
1382 /* Peer TLV DCBX data */
1383 dev_info(&pf->pdev->dev,
1384 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1385 r_cfg->etscfg.willing,
1386 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1387 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1388 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1389 i, r_cfg->etscfg.prioritytable[i],
1390 r_cfg->etscfg.tcbwtable[i],
1391 r_cfg->etscfg.tsatable[i]);
1392 }
1393 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1394 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1395 i, r_cfg->etsrec.prioritytable[i],
1396 r_cfg->etsrec.tcbwtable[i],
1397 r_cfg->etsrec.tsatable[i]);
1398 }
1399 dev_info(&pf->pdev->dev,
1400 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1401 r_cfg->pfc.willing,
1402 r_cfg->pfc.mbc,
1403 r_cfg->pfc.pfccap,
1404 r_cfg->pfc.pfcenable);
1405 dev_info(&pf->pdev->dev,
1406 "remote port app_table: num_apps=%d\n",
1407 r_cfg->numapps);
1408 for (i = 0; i < r_cfg->numapps; i++) {
1409 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1410 i, r_cfg->app[i].priority,
1411 r_cfg->app[i].selector,
1412 r_cfg->app[i].protocolid);
1413 }
1414 } else {
1415 dev_info(&pf->pdev->dev,
1416 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1417 dev_info(&pf->pdev->dev, "dump switch, dump vsi [seid] or\n");
1418 dev_info(&pf->pdev->dev, "dump stats\n");
1419 dev_info(&pf->pdev->dev, "dump reset stats\n");
1420 dev_info(&pf->pdev->dev, "dump port\n");
1421 dev_info(&pf->pdev->dev,
1422 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1423 }
1424
1425 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1426 u32 level;
1427 cnt = sscanf(&cmd_buf[10], "%i", &level);
1428 if (cnt) {
1429 if (I40E_DEBUG_USER & level) {
1430 pf->hw.debug_mask = level;
1431 dev_info(&pf->pdev->dev,
1432 "set hw.debug_mask = 0x%08x\n",
1433 pf->hw.debug_mask);
1434 }
1435 pf->msg_enable = level;
1436 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1437 pf->msg_enable);
1438 } else {
1439 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1440 pf->msg_enable);
1441 }
1442 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1443 dev_info(&pf->pdev->dev, "forcing PFR\n");
23326186 1444 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
02e9c290
JB		 1445
1446 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1447 dev_info(&pf->pdev->dev, "forcing CoreR\n");
23326186 1448 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED));
02e9c290
JB		 1449
1450 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1451 dev_info(&pf->pdev->dev, "forcing GlobR\n");
23326186 1452 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
02e9c290 1453
7823fe34
SN		 1454 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1455 dev_info(&pf->pdev->dev, "forcing EMPR\n");
23326186 1456 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED));
7823fe34 1457
02e9c290
JB		 1458 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1459 u32 address;
1460 u32 value;
2706a20e 1461 cnt = sscanf(&cmd_buf[4], "%i", &address);
02e9c290
JB		 1462 if (cnt != 1) {
1463 dev_info(&pf->pdev->dev, "read <reg>\n");
1464 goto command_write_done;
1465 }
1466
1467 /* check the range on address */
1468 if (address >= I40E_MAX_REGISTER) {
1469 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1470 address);
1471 goto command_write_done;
1472 }
1473
1474 value = rd32(&pf->hw, address);
1475 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1476 address, value);
1477
1478 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1479 u32 address, value;
2706a20e 1480 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
02e9c290
JB		 1481 if (cnt != 2) {
1482 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1483 goto command_write_done;
1484 }
1485
1486 /* check the range on address */
1487 if (address >= I40E_MAX_REGISTER) {
1488 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1489 address);
1490 goto command_write_done;
1491 }
1492 wr32(&pf->hw, address, value);
1493 value = rd32(&pf->hw, address);
1494 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1495 address, value);
1496 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1497 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
2706a20e 1498 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
02e9c290
JB		 1499 if (cnt == 0) {
1500 int i;
1501 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
1502 i40e_vsi_reset_stats(pf->vsi[i]);
1503 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1504 } else if (cnt == 1) {
1505 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1506 if (!vsi) {
1507 dev_info(&pf->pdev->dev,
1508 "clear_stats vsi: bad vsi %d\n",
1509 vsi_seid);
1510 goto command_write_done;
1511 }
1512 i40e_vsi_reset_stats(vsi);
1513 dev_info(&pf->pdev->dev,
1514 "vsi clear stats called for vsi %d\n",
1515 vsi_seid);
1516 } else {
1517 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1518 }
1519 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) {
1520 i40e_pf_reset_stats(pf);
1521 dev_info(&pf->pdev->dev, "pf clear stats called\n");
1522 } else {
1523 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
1524 }
1525 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1526 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1527 struct i40e_fdir_data fd_data;
02e9c290
JB		 1528 u16 packet_len, i, j = 0;
1529 char *asc_packet;
1530 bool add = false;
738a9e9b 1531 int ret;
02e9c290
JB		 1532
1533 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1534 GFP_KERNEL);
1535 if (!asc_packet)
1536 goto command_write_done;
1537
1538 fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1539 GFP_KERNEL);
1540
1541 if (!fd_data.raw_packet) {
1542 kfree(asc_packet);
1543 asc_packet = NULL;
1544 goto command_write_done;
1545 }
1546
1547 if (strncmp(cmd_buf, "add", 3) == 0)
1548 add = true;
1549 cnt = sscanf(&cmd_buf[13],
5561b6a1 1550 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
02e9c290
JB		 1551 &fd_data.q_index,
1552 &fd_data.flex_off, &fd_data.pctype,
1553 &fd_data.dest_vsi, &fd_data.dest_ctl,
1554 &fd_data.fd_status, &fd_data.cnt_index,
1555 &fd_data.fd_id, &packet_len, asc_packet);
1556 if (cnt != 10) {
1557 dev_info(&pf->pdev->dev,
1558 "program fd_filter: bad command string, cnt=%d\n",
1559 cnt);
1560 kfree(asc_packet);
1561 asc_packet = NULL;
1562 kfree(fd_data.raw_packet);
1563 goto command_write_done;
1564 }
1565
1566 /* fix packet length if user entered 0 */
1567 if (packet_len == 0)
1568 packet_len = I40E_FDIR_MAX_RAW_PACKET_LOOKUP;
1569
1570 /* make sure to check the max as well */
1571 packet_len = min_t(u16,
1572 packet_len, I40E_FDIR_MAX_RAW_PACKET_LOOKUP);
1573
02e9c290
JB		 1574 for (i = 0; i < packet_len; i++) {
1575 sscanf(&asc_packet[j], "%2hhx ",
1576 &fd_data.raw_packet[i]);
1577 j += 3;
02e9c290 1578 }
3753cb24
NP		 1579 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1580 print_hex_dump(KERN_INFO, "FD raw packet: ",
1581 DUMP_PREFIX_OFFSET, 16, 1,
1582 fd_data.raw_packet, packet_len, true);
02e9c290
JB		 1583 ret = i40e_program_fdir_filter(&fd_data, pf, add);
1584 if (!ret) {
1585 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1586 } else {
1587 dev_info(&pf->pdev->dev,
1588 "Filter command send failed %d\n", ret);
1589 }
1590 kfree(fd_data.raw_packet);
1591 fd_data.raw_packet = NULL;
1592 kfree(asc_packet);
1593 asc_packet = NULL;
1594 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1595 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1596 int ret;
1597 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1598 if (ret) {
1599 dev_info(&pf->pdev->dev,
1600 "Stop LLDP AQ command failed =0x%x\n",
1601 pf->hw.aq.asq_last_status);
1602 goto command_write_done;
1603 }
1604 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1605 int ret;
1606 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1607 if (ret) {
1608 dev_info(&pf->pdev->dev,
1609 "Start LLDP AQ command failed =0x%x\n",
1610 pf->hw.aq.asq_last_status);
1611 goto command_write_done;
1612 }
1613 } else if (strncmp(&cmd_buf[5],
1614 "get local", 9) == 0) {
738a9e9b 1615 u16 llen, rlen;
3753cb24 1616 int ret;
02e9c290 1617 u8 *buff;
02e9c290
JB		 1618 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1619 if (!buff)
1620 goto command_write_done;
1621
1622 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1623 I40E_AQ_LLDP_MIB_LOCAL,
1624 buff, I40E_LLDPDU_SIZE,
1625 &llen, &rlen, NULL);
1626 if (ret) {
1627 dev_info(&pf->pdev->dev,
1628 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1629 pf->hw.aq.asq_last_status);
1630 kfree(buff);
1631 buff = NULL;
1632 goto command_write_done;
1633 }
3753cb24
NP		 1634 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1635 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1636 DUMP_PREFIX_OFFSET, 16, 1,
1637 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1638 kfree(buff);
1639 buff = NULL;
1640 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
738a9e9b 1641 u16 llen, rlen;
3753cb24 1642 int ret;
02e9c290 1643 u8 *buff;
02e9c290
JB		 1644 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1645 if (!buff)
1646 goto command_write_done;
1647
1648 ret = i40e_aq_get_lldp_mib(&pf->hw,
1649 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1650 I40E_AQ_LLDP_MIB_LOCAL,
1651 buff, I40E_LLDPDU_SIZE,
1652 &llen, &rlen, NULL);
1653 if (ret) {
1654 dev_info(&pf->pdev->dev,
1655 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1656 pf->hw.aq.asq_last_status);
1657 kfree(buff);
1658 buff = NULL;
1659 goto command_write_done;
1660 }
3753cb24
NP		 1661 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1662 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1663 DUMP_PREFIX_OFFSET, 16, 1,
1664 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1665 kfree(buff);
1666 buff = NULL;
1667 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1668 int ret;
1669 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1670 true, NULL);
1671 if (ret) {
1672 dev_info(&pf->pdev->dev,
1673 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1674 pf->hw.aq.asq_last_status);
1675 goto command_write_done;
1676 }
1677 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1678 int ret;
1679 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1680 false, NULL);
1681 if (ret) {
1682 dev_info(&pf->pdev->dev,
1683 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1684 pf->hw.aq.asq_last_status);
1685 goto command_write_done;
1686 }
1687 }
1688 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
3753cb24 1689 u16 buffer_len, bytes;
02e9c290
JB		 1690 u16 module;
1691 u32 offset;
1692 u16 *buff;
1693 int ret;
1694
1695 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1696 &module, &offset, &buffer_len);
1697 if (cnt == 0) {
1698 module = 0;
1699 offset = 0;
1700 buffer_len = 0;
1701 } else if (cnt == 1) {
1702 offset = 0;
1703 buffer_len = 0;
1704 } else if (cnt == 2) {
1705 buffer_len = 0;
1706 } else if (cnt > 3) {
1707 dev_info(&pf->pdev->dev,
1708 "nvm read: bad command string, cnt=%d\n", cnt);
1709 goto command_write_done;
1710 }
1711
520dfd8b
JB		 1712 /* set the max length */
1713 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
02e9c290
JB		 1714
1715 bytes = 2 * buffer_len;
520dfd8b
JB		 1716
1717 /* read at least 1k bytes, no more than 4kB */
1718 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
02e9c290
JB		 1719 buff = kzalloc(bytes, GFP_KERNEL);
1720 if (!buff)
1721 goto command_write_done;
1722
1723 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1724 if (ret) {
1725 dev_info(&pf->pdev->dev,
1726 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1727 ret, pf->hw.aq.asq_last_status);
1728 kfree(buff);
1729 goto command_write_done;
1730 }
1731
1732 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1733 bytes, (u8 *)buff, true, NULL);
1734 i40e_release_nvm(&pf->hw);
1735 if (ret) {
1736 dev_info(&pf->pdev->dev,
1737 "Read NVM AQ failed err=%d status=0x%x\n",
1738 ret, pf->hw.aq.asq_last_status);
1739 } else {
1740 dev_info(&pf->pdev->dev,
1741 "Read NVM module=0x%x offset=0x%x words=%d\n",
1742 module, offset, buffer_len);
a45e88c9 1743 if (bytes)
3753cb24
NP		 1744 print_hex_dump(KERN_INFO, "NVM Dump: ",
1745 DUMP_PREFIX_OFFSET, 16, 2,
a45e88c9 1746 buff, bytes, true);
02e9c290
JB		 1747 }
1748 kfree(buff);
1749 buff = NULL;
1750 } else {
1751 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1752 dev_info(&pf->pdev->dev, "available commands\n");
1753 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1754 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1755 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1756 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1757 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1758 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1759 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1760 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1761 dev_info(&pf->pdev->dev, " dump switch\n");
1762 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1763 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1764 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1765 dev_info(&pf->pdev->dev, " dump desc aq\n");
1766 dev_info(&pf->pdev->dev, " dump stats\n");
1767 dev_info(&pf->pdev->dev, " dump reset stats\n");
1768 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1769 dev_info(&pf->pdev->dev, " read <reg>\n");
1770 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1771 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1772 dev_info(&pf->pdev->dev, " clear_stats pf\n");
1773 dev_info(&pf->pdev->dev, " pfr\n");
1774 dev_info(&pf->pdev->dev, " corer\n");
1775 dev_info(&pf->pdev->dev, " globr\n");
1776 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");
1777 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");
1778 dev_info(&pf->pdev->dev, " lldp start\n");
1779 dev_info(&pf->pdev->dev, " lldp stop\n");
1780 dev_info(&pf->pdev->dev, " lldp get local\n");
1781 dev_info(&pf->pdev->dev, " lldp get remote\n");
1782 dev_info(&pf->pdev->dev, " lldp event on\n");
1783 dev_info(&pf->pdev->dev, " lldp event off\n");
1784 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1785 }
1786
1787command_write_done:
1788 kfree(cmd_buf);
1789 cmd_buf = NULL;
02e9c290
JB		 1790 return count;
1791}
1792
1793static const struct file_operations i40e_dbg_command_fops = {
1794 .owner = THIS_MODULE,
1795 .open = simple_open,
1796 .read = i40e_dbg_command_read,
1797 .write = i40e_dbg_command_write,
1798};
1799
1800/**************************************************************
1801 * netdev_ops
1802 * The netdev_ops entry in debugfs is for giving the driver commands
1803 * to be executed from the netdev operations.
1804 **************************************************************/
1805static char i40e_dbg_netdev_ops_buf[256] = "hello world";
1806
1807/**
1808 * i40e_dbg_netdev_ops - read for netdev_ops datum
1809 * @filp: the opened file
1810 * @buffer: where to write the data for the user to read
1811 * @count: the size of the user's buffer
1812 * @ppos: file position offset
1813 **/
1814static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1815 size_t count, loff_t *ppos)
1816{
1817 struct i40e_pf *pf = filp->private_data;
1818 int bytes_not_copied;
1819 int buf_size = 256;
1820 char *buf;
1821 int len;
1822
1823 /* don't allow partal reads */
1824 if (*ppos != 0)
1825 return 0;
1826 if (count < buf_size)
1827 return -ENOSPC;
1828
1829 buf = kzalloc(buf_size, GFP_KERNEL);
1830 if (!buf)
1831 return -ENOSPC;
1832
1833 len = snprintf(buf, buf_size, "%s: %s\n",
1834 pf->vsi[pf->lan_vsi]->netdev->name,
1835 i40e_dbg_netdev_ops_buf);
1836
1837 bytes_not_copied = copy_to_user(buffer, buf, len);
1838 kfree(buf);
1839
1840 if (bytes_not_copied < 0)
1841 return bytes_not_copied;
1842
1843 *ppos = len;
1844 return len;
1845}
1846
1847/**
1848 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1849 * @filp: the opened file
1850 * @buffer: where to find the user's data
1851 * @count: the length of the user's data
1852 * @ppos: file position offset
1853 **/
1854static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1855 const char __user *buffer,
1856 size_t count, loff_t *ppos)
1857{
1858 struct i40e_pf *pf = filp->private_data;
1859 int bytes_not_copied;
1860 struct i40e_vsi *vsi;
004173cb 1861 char *buf_tmp;
02e9c290
JB		 1862 int vsi_seid;
1863 int i, cnt;
1864
1865 /* don't allow partial writes */
1866 if (*ppos != 0)
1867 return 0;
1868 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1869 return -ENOSPC;
1870
1871 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1872 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1873 buffer, count);
1874 if (bytes_not_copied < 0)
1875 return bytes_not_copied;
1876 else if (bytes_not_copied > 0)
1877 count -= bytes_not_copied;
1878 i40e_dbg_netdev_ops_buf[count] = '\0';
1879
004173cb
JB		 1880 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1881 if (buf_tmp) {
1882 *buf_tmp = '\0';
1883 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1884 }
1885
02e9c290
JB		 1886 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1887 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1888 if (cnt != 1) {
1889 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1890 goto netdev_ops_write_done;
1891 }
1892 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1893 if (!vsi) {
1894 dev_info(&pf->pdev->dev,
1895 "tx_timeout: VSI %d not found\n", vsi_seid);
1896 goto netdev_ops_write_done;
1897 }
1898 if (rtnl_trylock()) {
1899 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1900 rtnl_unlock();
1901 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1902 } else {
1903 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1904 }
1905 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1906 int mtu;
1907 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1908 &vsi_seid, &mtu);
1909 if (cnt != 2) {
1910 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1911 goto netdev_ops_write_done;
1912 }
1913 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1914 if (!vsi) {
1915 dev_info(&pf->pdev->dev,
1916 "change_mtu: VSI %d not found\n", vsi_seid);
1917 goto netdev_ops_write_done;
1918 }
1919 if (rtnl_trylock()) {
1920 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1921 mtu);
1922 rtnl_unlock();
1923 dev_info(&pf->pdev->dev, "change_mtu called\n");
1924 } else {
1925 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1926 }
1927
1928 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1929 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1930 if (cnt != 1) {
1931 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1932 goto netdev_ops_write_done;
1933 }
1934 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1935 if (!vsi) {
1936 dev_info(&pf->pdev->dev,
1937 "set_rx_mode: VSI %d not found\n", vsi_seid);
1938 goto netdev_ops_write_done;
1939 }
1940 if (rtnl_trylock()) {
1941 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1942 rtnl_unlock();
1943 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1944 } else {
1945 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1946 }
1947
1948 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1949 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1950 if (cnt != 1) {
1951 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1952 goto netdev_ops_write_done;
1953 }
1954 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1955 if (!vsi) {
1956 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1957 vsi_seid);
1958 goto netdev_ops_write_done;
1959 }
1960 for (i = 0; i < vsi->num_q_vectors; i++)
493fb300 1961 napi_schedule(&vsi->q_vectors[i]->napi);
02e9c290
JB		 1962 dev_info(&pf->pdev->dev, "napi called\n");
1963 } else {
1964 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1965 i40e_dbg_netdev_ops_buf);
1966 dev_info(&pf->pdev->dev, "available commands\n");
1967 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1968 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1969 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1970 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1971 }
1972netdev_ops_write_done:
1973 return count;
1974}
1975
1976static const struct file_operations i40e_dbg_netdev_ops_fops = {
1977 .owner = THIS_MODULE,
1978 .open = simple_open,
1979 .read = i40e_dbg_netdev_ops_read,
1980 .write = i40e_dbg_netdev_ops_write,
1981};
1982
1983/**
1984 * i40e_dbg_pf_init - setup the debugfs directory for the pf
1985 * @pf: the pf that is starting up
1986 **/
1987void i40e_dbg_pf_init(struct i40e_pf *pf)
1988{
6301002f 1989 struct dentry *pfile;
02e9c290 1990 const char *name = pci_name(pf->pdev);
6301002f 1991 const struct device *dev = &pf->pdev->dev;
02e9c290
JB		 1992
1993 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
6301002f
JB		 1994 if (!pf->i40e_dbg_pf)
1995 return;
1996
1997 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1998 &i40e_dbg_command_fops);
1999 if (!pfile)
2000 goto create_failed;
2001
2002 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2003 &i40e_dbg_dump_fops);
2004 if (!pfile)
2005 goto create_failed;
2006
2007 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2008 &i40e_dbg_netdev_ops_fops);
2009 if (!pfile)
2010 goto create_failed;
2011
2012 return;
2013
2014create_failed:
2015 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2016 debugfs_remove_recursive(pf->i40e_dbg_pf);
2017 return;
02e9c290
JB		 2018}
2019
2020/**
2021 * i40e_dbg_pf_exit - clear out the pf's debugfs entries
2022 * @pf: the pf that is stopping
2023 **/
2024void i40e_dbg_pf_exit(struct i40e_pf *pf)
2025{
2026 debugfs_remove_recursive(pf->i40e_dbg_pf);
2027 pf->i40e_dbg_pf = NULL;
2028
2029 kfree(i40e_dbg_dump_buf);
2030 i40e_dbg_dump_buf = NULL;
2031}
2032
2033/**
2034 * i40e_dbg_init - start up debugfs for the driver
2035 **/
2036void i40e_dbg_init(void)
2037{
2038 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2039 if (!i40e_dbg_root)
2040 pr_info("init of debugfs failed\n");
2041}
2042
2043/**
2044 * i40e_dbg_exit - clean out the driver's debugfs entries
2045 **/
2046void i40e_dbg_exit(void)
2047{
2048 debugfs_remove_recursive(i40e_dbg_root);
2049 i40e_dbg_root = NULL;
2050}
2051
2052#endif /* CONFIG_DEBUG_FS */
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