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i40e: adds FCoE code to the i40e driver
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / ethernet / intel / i40e / i40e_debugfs.c
CommitLineData
02e9c290
JB		 1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
dc641b73 4 * Copyright(c) 2013 - 2014 Intel Corporation.
02e9c290
JB		 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 *
dc641b73
GR		 15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
02e9c290
JB		 17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27#ifdef CONFIG_DEBUG_FS
28
29#include <linux/fs.h>
30#include <linux/debugfs.h>
31
32#include "i40e.h"
33
34static struct dentry *i40e_dbg_root;
35
36/**
37 * i40e_dbg_find_vsi - searches for the vsi with the given seid
38 * @pf - the pf structure to search for the vsi
39 * @seid - seid of the vsi it is searching for
40 **/
41static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
42{
43 int i;
44
45 if (seid < 0)
46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
47 else
505682cd 48 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
50 return pf->vsi[i];
51
52 return NULL;
53}
54
55/**
56 * i40e_dbg_find_veb - searches for the veb with the given seid
57 * @pf - the pf structure to search for the veb
58 * @seid - seid of the veb it is searching for
59 **/
60static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
61{
62 int i;
63
64 if ((seid < I40E_BASE_VEB_SEID) ||
65 (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB)))
66 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
67 else
68 for (i = 0; i < I40E_MAX_VEB; i++)
69 if (pf->veb[i] && pf->veb[i]->seid == seid)
70 return pf->veb[i];
71 return NULL;
72}
73
74/**************************************************************
75 * dump
76 * The dump entry in debugfs is for getting a data snapshow of
77 * the driver's current configuration and runtime details.
78 * When the filesystem entry is written, a snapshot is taken.
79 * When the entry is read, the most recent snapshot data is dumped.
80 **************************************************************/
81static char *i40e_dbg_dump_buf;
82static ssize_t i40e_dbg_dump_data_len;
83static ssize_t i40e_dbg_dump_buffer_len;
84
85/**
86 * i40e_dbg_dump_read - read the dump data
87 * @filp: the opened file
88 * @buffer: where to write the data for the user to read
89 * @count: the size of the user's buffer
90 * @ppos: file position offset
91 **/
92static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer,
93 size_t count, loff_t *ppos)
94{
95 int bytes_not_copied;
96 int len;
97
98 /* is *ppos bigger than the available data? */
99 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
100 return 0;
101
102 /* be sure to not read beyond the end of available data */
103 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
104
105 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
106 if (bytes_not_copied < 0)
107 return bytes_not_copied;
108
109 *ppos += len;
110 return len;
111}
112
113/**
114 * i40e_dbg_prep_dump_buf
115 * @pf: the pf we're working with
116 * @buflen: the desired buffer length
117 *
118 * Return positive if success, 0 if failed
119 **/
120static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen)
121{
122 /* if not already big enough, prep for re alloc */
123 if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) {
124 kfree(i40e_dbg_dump_buf);
125 i40e_dbg_dump_buffer_len = 0;
126 i40e_dbg_dump_buf = NULL;
127 }
128
129 /* get a new buffer if needed */
130 if (!i40e_dbg_dump_buf) {
131 i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL);
132 if (i40e_dbg_dump_buf != NULL)
133 i40e_dbg_dump_buffer_len = buflen;
134 }
135
136 return i40e_dbg_dump_buffer_len;
137}
138
139/**
140 * i40e_dbg_dump_write - trigger a datadump snapshot
141 * @filp: the opened file
142 * @buffer: where to find the user's data
143 * @count: the length of the user's data
144 * @ppos: file position offset
145 *
146 * Any write clears the stats
147 **/
148static ssize_t i40e_dbg_dump_write(struct file *filp,
149 const char __user *buffer,
150 size_t count, loff_t *ppos)
151{
152 struct i40e_pf *pf = filp->private_data;
02e9c290 153 bool seid_found = false;
02e9c290
JB		 154 long seid = -1;
155 int buflen = 0;
156 int i, ret;
157 int len;
158 u8 *p;
159
160 /* don't allow partial writes */
161 if (*ppos != 0)
162 return 0;
02e9c290
JB		 163
164 /* decode the SEID given to be dumped */
004173cb
JB		 165 ret = kstrtol_from_user(buffer, count, 0, &seid);
166
167 if (ret) {
168 dev_info(&pf->pdev->dev, "bad seid value\n");
02e9c290
JB		 169 } else if (seid == 0) {
170 seid_found = true;
171
172 kfree(i40e_dbg_dump_buf);
173 i40e_dbg_dump_buffer_len = 0;
174 i40e_dbg_dump_data_len = 0;
175 i40e_dbg_dump_buf = NULL;
176 dev_info(&pf->pdev->dev, "debug buffer freed\n");
177
178 } else if (seid == pf->pf_seid || seid == 1) {
179 seid_found = true;
180
181 buflen = sizeof(struct i40e_pf);
182 buflen += (sizeof(struct i40e_aq_desc)
183 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries));
184
185 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
186 p = i40e_dbg_dump_buf;
187
188 len = sizeof(struct i40e_pf);
189 memcpy(p, pf, len);
190 p += len;
191
192 len = (sizeof(struct i40e_aq_desc)
193 * pf->hw.aq.num_asq_entries);
90bb776a 194 memcpy(p, pf->hw.aq.asq.desc_buf.va, len);
02e9c290
JB		 195 p += len;
196
197 len = (sizeof(struct i40e_aq_desc)
198 * pf->hw.aq.num_arq_entries);
90bb776a 199 memcpy(p, pf->hw.aq.arq.desc_buf.va, len);
02e9c290
JB		 200 p += len;
201
202 i40e_dbg_dump_data_len = buflen;
203 dev_info(&pf->pdev->dev,
204 "PF seid %ld dumped %d bytes\n",
205 seid, (int)i40e_dbg_dump_data_len);
206 }
207 } else if (seid >= I40E_BASE_VSI_SEID) {
208 struct i40e_vsi *vsi = NULL;
209 struct i40e_mac_filter *f;
210 int filter_count = 0;
211
212 mutex_lock(&pf->switch_mutex);
213 vsi = i40e_dbg_find_vsi(pf, seid);
214 if (!vsi) {
215 mutex_unlock(&pf->switch_mutex);
216 goto write_exit;
217 }
218
219 buflen = sizeof(struct i40e_vsi);
220 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
221 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
222 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
223 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
224 list_for_each_entry(f, &vsi->mac_filter_list, list)
225 filter_count++;
226 buflen += sizeof(struct i40e_mac_filter) * filter_count;
227
228 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
229 p = i40e_dbg_dump_buf;
230 seid_found = true;
231
232 len = sizeof(struct i40e_vsi);
233 memcpy(p, vsi, len);
234 p += len;
235
59072ba1
SN		 236 if (vsi->num_q_vectors) {
237 len = (sizeof(struct i40e_q_vector)
238 * vsi->num_q_vectors);
239 memcpy(p, vsi->q_vectors, len);
240 p += len;
241 }
02e9c290 242
59072ba1
SN		 243 if (vsi->num_queue_pairs) {
244 len = (sizeof(struct i40e_ring) *
245 vsi->num_queue_pairs);
246 memcpy(p, vsi->tx_rings, len);
247 p += len;
248 memcpy(p, vsi->rx_rings, len);
02e9c290
JB		 249 p += len;
250 }
59072ba1
SN		 251
252 if (vsi->tx_rings[0]) {
253 len = sizeof(struct i40e_tx_buffer);
254 for (i = 0; i < vsi->num_queue_pairs; i++) {
255 memcpy(p, vsi->tx_rings[i]->tx_bi, len);
256 p += len;
257 }
02e9c290 258 len = sizeof(struct i40e_rx_buffer);
59072ba1
SN		 259 for (i = 0; i < vsi->num_queue_pairs; i++) {
260 memcpy(p, vsi->rx_rings[i]->rx_bi, len);
261 p += len;
262 }
02e9c290
JB		 263 }
264
265 /* macvlan filter list */
266 len = sizeof(struct i40e_mac_filter);
267 list_for_each_entry(f, &vsi->mac_filter_list, list) {
268 memcpy(p, f, len);
269 p += len;
270 }
271
272 i40e_dbg_dump_data_len = buflen;
273 dev_info(&pf->pdev->dev,
274 "VSI seid %ld dumped %d bytes\n",
275 seid, (int)i40e_dbg_dump_data_len);
276 }
277 mutex_unlock(&pf->switch_mutex);
278 } else if (seid >= I40E_BASE_VEB_SEID) {
279 struct i40e_veb *veb = NULL;
280
281 mutex_lock(&pf->switch_mutex);
282 veb = i40e_dbg_find_veb(pf, seid);
283 if (!veb) {
284 mutex_unlock(&pf->switch_mutex);
285 goto write_exit;
286 }
287
288 buflen = sizeof(struct i40e_veb);
289 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
290 seid_found = true;
291 memcpy(i40e_dbg_dump_buf, veb, buflen);
292 i40e_dbg_dump_data_len = buflen;
293 dev_info(&pf->pdev->dev,
294 "VEB seid %ld dumped %d bytes\n",
295 seid, (int)i40e_dbg_dump_data_len);
296 }
297 mutex_unlock(&pf->switch_mutex);
298 }
299
300write_exit:
301 if (!seid_found)
302 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
303
304 return count;
305}
306
307static const struct file_operations i40e_dbg_dump_fops = {
308 .owner = THIS_MODULE,
309 .open = simple_open,
310 .read = i40e_dbg_dump_read,
311 .write = i40e_dbg_dump_write,
312};
313
314/**************************************************************
315 * command
316 * The command entry in debugfs is for giving the driver commands
317 * to be executed - these may be for changing the internal switch
318 * setup, adding or removing filters, or other things. Many of
319 * these will be useful for some forms of unit testing.
320 **************************************************************/
321static char i40e_dbg_command_buf[256] = "hello world";
322
323/**
324 * i40e_dbg_command_read - read for command datum
325 * @filp: the opened file
326 * @buffer: where to write the data for the user to read
327 * @count: the size of the user's buffer
328 * @ppos: file position offset
329 **/
330static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
331 size_t count, loff_t *ppos)
332{
333 struct i40e_pf *pf = filp->private_data;
334 int bytes_not_copied;
335 int buf_size = 256;
336 char *buf;
337 int len;
338
339 /* don't allow partial reads */
340 if (*ppos != 0)
341 return 0;
342 if (count < buf_size)
343 return -ENOSPC;
344
345 buf = kzalloc(buf_size, GFP_KERNEL);
346 if (!buf)
347 return -ENOSPC;
348
349 len = snprintf(buf, buf_size, "%s: %s\n",
350 pf->vsi[pf->lan_vsi]->netdev->name,
351 i40e_dbg_command_buf);
352
353 bytes_not_copied = copy_to_user(buffer, buf, len);
354 kfree(buf);
355
356 if (bytes_not_copied < 0)
357 return bytes_not_copied;
358
359 *ppos = len;
360 return len;
361}
362
363/**
e625f71b 364 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
02e9c290
JB		 365 * @pf: the i40e_pf created in command write
366 * @seid: the seid the user put in
367 **/
368static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
369{
370 struct rtnl_link_stats64 *nstat;
371 struct i40e_mac_filter *f;
372 struct i40e_vsi *vsi;
373 int i;
374
375 vsi = i40e_dbg_find_vsi(pf, seid);
376 if (!vsi) {
377 dev_info(&pf->pdev->dev,
378 "dump %d: seid not found\n", seid);
379 return;
380 }
381 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
382 if (vsi->netdev)
383 dev_info(&pf->pdev->dev,
384 " netdev: name = %s\n",
385 vsi->netdev->name);
386 if (vsi->active_vlans)
387 dev_info(&pf->pdev->dev,
388 " vlgrp: & = %p\n", vsi->active_vlans);
389 dev_info(&pf->pdev->dev,
390 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n",
391 vsi->netdev_registered,
392 vsi->current_netdev_flags, vsi->state, vsi->flags);
393 list_for_each_entry(f, &vsi->mac_filter_list, list) {
394 dev_info(&pf->pdev->dev,
395 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
396 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
397 f->counter);
398 }
399 nstat = i40e_get_vsi_stats_struct(vsi);
400 dev_info(&pf->pdev->dev,
401 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
402 (long unsigned int)nstat->rx_packets,
403 (long unsigned int)nstat->rx_bytes,
404 (long unsigned int)nstat->rx_errors,
405 (long unsigned int)nstat->rx_dropped);
406 dev_info(&pf->pdev->dev,
407 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
408 (long unsigned int)nstat->tx_packets,
409 (long unsigned int)nstat->tx_bytes,
410 (long unsigned int)nstat->tx_errors,
411 (long unsigned int)nstat->tx_dropped);
412 dev_info(&pf->pdev->dev,
413 " net_stats: multicast = %lu, collisions = %lu\n",
414 (long unsigned int)nstat->multicast,
415 (long unsigned int)nstat->collisions);
416 dev_info(&pf->pdev->dev,
417 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
418 (long unsigned int)nstat->rx_length_errors,
419 (long unsigned int)nstat->rx_over_errors,
420 (long unsigned int)nstat->rx_crc_errors);
421 dev_info(&pf->pdev->dev,
422 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
423 (long unsigned int)nstat->rx_frame_errors,
424 (long unsigned int)nstat->rx_fifo_errors,
425 (long unsigned int)nstat->rx_missed_errors);
426 dev_info(&pf->pdev->dev,
427 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
428 (long unsigned int)nstat->tx_aborted_errors,
429 (long unsigned int)nstat->tx_carrier_errors,
430 (long unsigned int)nstat->tx_fifo_errors);
431 dev_info(&pf->pdev->dev,
432 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
433 (long unsigned int)nstat->tx_heartbeat_errors,
434 (long unsigned int)nstat->tx_window_errors);
435 dev_info(&pf->pdev->dev,
436 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
437 (long unsigned int)nstat->rx_compressed,
438 (long unsigned int)nstat->tx_compressed);
439 dev_info(&pf->pdev->dev,
440 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
441 (long unsigned int)vsi->net_stats_offsets.rx_packets,
442 (long unsigned int)vsi->net_stats_offsets.rx_bytes,
443 (long unsigned int)vsi->net_stats_offsets.rx_errors,
444 (long unsigned int)vsi->net_stats_offsets.rx_dropped);
445 dev_info(&pf->pdev->dev,
446 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
447 (long unsigned int)vsi->net_stats_offsets.tx_packets,
448 (long unsigned int)vsi->net_stats_offsets.tx_bytes,
449 (long unsigned int)vsi->net_stats_offsets.tx_errors,
450 (long unsigned int)vsi->net_stats_offsets.tx_dropped);
451 dev_info(&pf->pdev->dev,
452 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
453 (long unsigned int)vsi->net_stats_offsets.multicast,
454 (long unsigned int)vsi->net_stats_offsets.collisions);
455 dev_info(&pf->pdev->dev,
456 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
457 (long unsigned int)vsi->net_stats_offsets.rx_length_errors,
458 (long unsigned int)vsi->net_stats_offsets.rx_over_errors,
459 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors);
460 dev_info(&pf->pdev->dev,
461 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
462 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors,
463 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors,
464 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors);
465 dev_info(&pf->pdev->dev,
466 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
467 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors,
468 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors,
469 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors);
470 dev_info(&pf->pdev->dev,
471 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
472 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors,
473 (long unsigned int)vsi->net_stats_offsets.tx_window_errors);
474 dev_info(&pf->pdev->dev,
475 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
476 (long unsigned int)vsi->net_stats_offsets.rx_compressed,
477 (long unsigned int)vsi->net_stats_offsets.tx_compressed);
478 dev_info(&pf->pdev->dev,
479 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
480 vsi->tx_restart, vsi->tx_busy,
481 vsi->rx_buf_failed, vsi->rx_page_failed);
9f65e15b
AD		 482 rcu_read_lock();
483 for (i = 0; i < vsi->num_queue_pairs; i++) {
484 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
485 if (!rx_ring)
486 continue;
487
488 dev_info(&pf->pdev->dev,
489 " rx_rings[%i]: desc = %p\n",
490 i, rx_ring->desc);
491 dev_info(&pf->pdev->dev,
492 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
493 i, rx_ring->dev,
494 rx_ring->netdev,
495 rx_ring->rx_bi);
496 dev_info(&pf->pdev->dev,
497 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
498 i, rx_ring->state,
499 rx_ring->queue_index,
500 rx_ring->reg_idx);
501 dev_info(&pf->pdev->dev,
502 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
503 i, rx_ring->rx_hdr_len,
504 rx_ring->rx_buf_len,
505 rx_ring->dtype);
506 dev_info(&pf->pdev->dev,
507 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
508 i, rx_ring->hsplit,
509 rx_ring->next_to_use,
510 rx_ring->next_to_clean,
511 rx_ring->ring_active);
512 dev_info(&pf->pdev->dev,
513 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
514 i, rx_ring->stats.packets,
515 rx_ring->stats.bytes,
516 rx_ring->rx_stats.non_eop_descs);
517 dev_info(&pf->pdev->dev,
420136cc 518 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
9f65e15b 519 i,
420136cc
MW		 520 rx_ring->rx_stats.alloc_page_failed,
521 rx_ring->rx_stats.alloc_buff_failed);
9f65e15b
AD		 522 dev_info(&pf->pdev->dev,
523 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
524 i, rx_ring->size,
525 (long unsigned int)rx_ring->dma);
526 dev_info(&pf->pdev->dev,
527 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
528 i, rx_ring->vsi,
529 rx_ring->q_vector);
02e9c290 530 }
9f65e15b
AD		 531 for (i = 0; i < vsi->num_queue_pairs; i++) {
532 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
533 if (!tx_ring)
534 continue;
1b60f3c4 535
9f65e15b
AD		 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{
68bf94aa
SN		 755 struct i40e_tx_desc *txd;
756 union i40e_rx_desc *rxd;
02e9c290
JB		 757 struct i40e_ring ring;
758 struct i40e_vsi *vsi;
759 int i;
760
761 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
762 if (!vsi) {
7792fe4f 763 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
02e9c290
JB		 764 return;
765 }
766 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
767 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
02e9c290
JB		 768 return;
769 }
68bf94aa 770 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
29d0790e
SN		 771 dev_info(&pf->pdev->dev,
772 "descriptor rings have not been allocated for vsi %d\n",
773 vsi_seid);
774 return;
775 }
02e9c290 776 if (is_rx_ring)
9f65e15b 777 ring = *vsi->rx_rings[ring_id];
02e9c290 778 else
9f65e15b 779 ring = *vsi->tx_rings[ring_id];
02e9c290
JB		 780 if (cnt == 2) {
781 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
782 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
783 for (i = 0; i < ring.count; i++) {
68bf94aa
SN		 784 if (!is_rx_ring) {
785 txd = I40E_TX_DESC(&ring, i);
02e9c290 786 dev_info(&pf->pdev->dev,
68bf94aa
SN		 787 " d[%03i] = 0x%016llx 0x%016llx\n",
788 i, txd->buffer_addr,
789 txd->cmd_type_offset_bsz);
790 } else if (sizeof(union i40e_rx_desc) ==
791 sizeof(union i40e_16byte_rx_desc)) {
792 rxd = I40E_RX_DESC(&ring, i);
793 dev_info(&pf->pdev->dev,
794 " d[%03i] = 0x%016llx 0x%016llx\n",
795 i, rxd->read.pkt_addr,
796 rxd->read.hdr_addr);
797 } else {
798 rxd = I40E_RX_DESC(&ring, i);
02e9c290
JB		 799 dev_info(&pf->pdev->dev,
800 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 801 i, rxd->read.pkt_addr,
802 rxd->read.hdr_addr,
803 rxd->read.rsvd1, rxd->read.rsvd2);
804 }
02e9c290
JB		 805 }
806 } else if (cnt == 3) {
807 if (desc_n >= ring.count || desc_n < 0) {
808 dev_info(&pf->pdev->dev,
809 "descriptor %d not found\n", desc_n);
810 return;
811 }
68bf94aa
SN		 812 if (!is_rx_ring) {
813 txd = I40E_TX_DESC(&ring, desc_n);
02e9c290 814 dev_info(&pf->pdev->dev,
68bf94aa
SN		 815 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
816 vsi_seid, ring_id, desc_n,
817 txd->buffer_addr, txd->cmd_type_offset_bsz);
818 } else if (sizeof(union i40e_rx_desc) ==
819 sizeof(union i40e_16byte_rx_desc)) {
820 rxd = I40E_RX_DESC(&ring, desc_n);
821 dev_info(&pf->pdev->dev,
822 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
823 vsi_seid, ring_id, desc_n,
824 rxd->read.pkt_addr, rxd->read.hdr_addr);
825 } else {
826 rxd = I40E_RX_DESC(&ring, desc_n);
02e9c290
JB		 827 dev_info(&pf->pdev->dev,
828 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 829 vsi_seid, ring_id, desc_n,
830 rxd->read.pkt_addr, rxd->read.hdr_addr,
831 rxd->read.rsvd1, rxd->read.rsvd2);
832 }
02e9c290 833 } else {
7792fe4f 834 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
02e9c290
JB		 835 }
836}
837
838/**
839 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
840 * @pf: the i40e_pf created in command write
841 **/
842static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
843{
844 int i;
845
505682cd 846 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 847 if (pf->vsi[i])
848 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
849 i, pf->vsi[i]->seid);
850}
851
852/**
853 * i40e_dbg_dump_stats - handles dump stats write into command datum
854 * @pf: the i40e_pf created in command write
855 * @estats: the eth stats structure to be dumped
856 **/
857static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
858 struct i40e_eth_stats *estats)
859{
860 dev_info(&pf->pdev->dev, " ethstats:\n");
861 dev_info(&pf->pdev->dev,
862 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
863 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
864 dev_info(&pf->pdev->dev,
03da6f6a
SN		 865 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
866 estats->rx_broadcast, estats->rx_discards);
02e9c290 867 dev_info(&pf->pdev->dev,
03da6f6a
SN		 868 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
869 estats->rx_unknown_protocol, estats->tx_bytes);
02e9c290
JB		 870 dev_info(&pf->pdev->dev,
871 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
872 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
873 dev_info(&pf->pdev->dev,
874 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
875 estats->tx_discards, estats->tx_errors);
876}
877
878/**
879 * i40e_dbg_dump_stats - handles dump stats write into command datum
880 * @pf: the i40e_pf created in command write
881 * @stats: the stats structure to be dumped
882 **/
883static void i40e_dbg_dump_stats(struct i40e_pf *pf,
884 struct i40e_hw_port_stats *stats)
885{
886 int i;
887
888 dev_info(&pf->pdev->dev, " stats:\n");
889 dev_info(&pf->pdev->dev,
890 " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n",
891 stats->crc_errors, stats->illegal_bytes, stats->error_bytes);
892 dev_info(&pf->pdev->dev,
893 " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n",
894 stats->mac_local_faults, stats->mac_remote_faults,
895 stats->rx_length_errors);
896 dev_info(&pf->pdev->dev,
897 " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n",
898 stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx);
899 dev_info(&pf->pdev->dev,
900 " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n",
901 stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127);
902 dev_info(&pf->pdev->dev,
903 " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n",
904 stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023);
905 dev_info(&pf->pdev->dev,
906 " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n",
907 stats->rx_size_big, stats->rx_undersize, stats->rx_jabber);
908 dev_info(&pf->pdev->dev,
909 " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n",
910 stats->rx_fragments, stats->rx_oversize, stats->tx_size_64);
911 dev_info(&pf->pdev->dev,
912 " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n",
913 stats->tx_size_127, stats->tx_size_255, stats->tx_size_511);
914 dev_info(&pf->pdev->dev,
915 " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n",
916 stats->tx_size_1023, stats->tx_size_big,
917 stats->mac_short_packet_dropped);
918 for (i = 0; i < 8; i += 4) {
919 dev_info(&pf->pdev->dev,
920 " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
921 i, stats->priority_xon_rx[i],
922 i+1, stats->priority_xon_rx[i+1],
923 i+2, stats->priority_xon_rx[i+2],
924 i+3, stats->priority_xon_rx[i+3]);
925 }
926 for (i = 0; i < 8; i += 4) {
927 dev_info(&pf->pdev->dev,
928 " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
929 i, stats->priority_xoff_rx[i],
930 i+1, stats->priority_xoff_rx[i+1],
931 i+2, stats->priority_xoff_rx[i+2],
932 i+3, stats->priority_xoff_rx[i+3]);
933 }
934 for (i = 0; i < 8; i += 4) {
935 dev_info(&pf->pdev->dev,
936 " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
937 i, stats->priority_xon_tx[i],
938 i+1, stats->priority_xon_tx[i+1],
939 i+2, stats->priority_xon_tx[i+2],
940 i+3, stats->priority_xon_rx[i+3]);
941 }
942 for (i = 0; i < 8; i += 4) {
943 dev_info(&pf->pdev->dev,
944 " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
945 i, stats->priority_xoff_tx[i],
946 i+1, stats->priority_xoff_tx[i+1],
947 i+2, stats->priority_xoff_tx[i+2],
948 i+3, stats->priority_xoff_tx[i+3]);
949 }
950 for (i = 0; i < 8; i += 4) {
951 dev_info(&pf->pdev->dev,
952 " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
953 i, stats->priority_xon_2_xoff[i],
954 i+1, stats->priority_xon_2_xoff[i+1],
955 i+2, stats->priority_xon_2_xoff[i+2],
956 i+3, stats->priority_xon_2_xoff[i+3]);
957 }
958
959 i40e_dbg_dump_eth_stats(pf, &stats->eth);
960}
961
962/**
963 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
964 * @pf: the i40e_pf created in command write
965 * @seid: the seid the user put in
966 **/
967static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
968{
969 struct i40e_veb *veb;
970
971 if ((seid < I40E_BASE_VEB_SEID) ||
972 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
973 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
974 return;
975 }
976
977 veb = i40e_dbg_find_veb(pf, seid);
978 if (!veb) {
e625f71b 979 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
02e9c290
JB		 980 return;
981 }
982 dev_info(&pf->pdev->dev,
983 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
984 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
985 veb->uplink_seid);
986 i40e_dbg_dump_eth_stats(pf, &veb->stats);
987}
988
989/**
990 * i40e_dbg_dump_veb_all - dumps all known veb's stats
991 * @pf: the i40e_pf created in command write
992 **/
993static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
994{
995 struct i40e_veb *veb;
996 int i;
997
998 for (i = 0; i < I40E_MAX_VEB; i++) {
999 veb = pf->veb[i];
1000 if (veb)
1001 i40e_dbg_dump_veb_seid(pf, veb->seid);
1002 }
1003}
1004
cbf61325
ASJ		 1005/**
1006 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR
1007 * @pf: the pf that would be altered
1008 * @flag: flag that needs enabling or disabling
1009 * @enable: Enable/disable FD SD/ATR
1010 **/
1011static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable)
1012{
55a5e60b 1013 if (enable) {
cbf61325 1014 pf->flags |= flag;
55a5e60b 1015 } else {
cbf61325 1016 pf->flags &= ~flag;
55a5e60b
ASJ		 1017 pf->auto_disable_flags |= flag;
1018 }
cbf61325
ASJ		 1019 dev_info(&pf->pdev->dev, "requesting a pf reset\n");
1020 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
1021}
1022
02e9c290
JB		 1023#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
1024/**
1025 * i40e_dbg_command_write - write into command datum
1026 * @filp: the opened file
1027 * @buffer: where to find the user's data
1028 * @count: the length of the user's data
1029 * @ppos: file position offset
1030 **/
1031static ssize_t i40e_dbg_command_write(struct file *filp,
1032 const char __user *buffer,
1033 size_t count, loff_t *ppos)
1034{
1035 struct i40e_pf *pf = filp->private_data;
004173cb 1036 char *cmd_buf, *cmd_buf_tmp;
02e9c290
JB		 1037 int bytes_not_copied;
1038 struct i40e_vsi *vsi;
02e9c290
JB		 1039 int vsi_seid;
1040 int veb_seid;
1041 int cnt;
1042
1043 /* don't allow partial writes */
1044 if (*ppos != 0)
1045 return 0;
1046
1047 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
1048 if (!cmd_buf)
1049 return count;
1050 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
1051 if (bytes_not_copied < 0)
1052 return bytes_not_copied;
1053 if (bytes_not_copied > 0)
1054 count -= bytes_not_copied;
1055 cmd_buf[count] = '\0';
1056
004173cb
JB		 1057 cmd_buf_tmp = strchr(cmd_buf, '\n');
1058 if (cmd_buf_tmp) {
1059 *cmd_buf_tmp = '\0';
1060 count = cmd_buf_tmp - cmd_buf + 1;
1061 }
1062
02e9c290
JB		 1063 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1064 vsi_seid = -1;
1065 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1066 if (cnt == 0) {
1067 /* default to PF VSI */
1068 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1069 } else if (vsi_seid < 0) {
1070 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1071 vsi_seid);
1072 goto command_write_done;
1073 }
1074
1075 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1076 if (vsi)
1077 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1078 vsi->seid, vsi->uplink_seid);
1079 else
1080 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1081
1082 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1083 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1084 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1085 if (!vsi) {
1086 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1087 vsi_seid);
1088 goto command_write_done;
1089 }
1090
1091 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1092 i40e_vsi_release(vsi);
1093
1094 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1095 struct i40e_veb *veb;
1096 int uplink_seid, i;
1097
1098 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1099 if (cnt != 2) {
1100 dev_info(&pf->pdev->dev,
1101 "add relay: bad command string, cnt=%d\n",
1102 cnt);
1103 goto command_write_done;
1104 } else if (uplink_seid < 0) {
1105 dev_info(&pf->pdev->dev,
1106 "add relay %d: bad uplink seid\n",
1107 uplink_seid);
1108 goto command_write_done;
1109 }
1110
1111 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1112 if (!vsi) {
1113 dev_info(&pf->pdev->dev,
c07019e4 1114 "add relay: VSI %d not found\n", vsi_seid);
02e9c290
JB		 1115 goto command_write_done;
1116 }
1117
1118 for (i = 0; i < I40E_MAX_VEB; i++)
1119 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1120 break;
1121 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1122 uplink_seid != pf->mac_seid) {
1123 dev_info(&pf->pdev->dev,
1124 "add relay: relay uplink %d not found\n",
1125 uplink_seid);
1126 goto command_write_done;
1127 }
1128
1129 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1130 vsi->tc_config.enabled_tc);
1131 if (veb)
1132 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1133 else
1134 dev_info(&pf->pdev->dev, "add relay failed\n");
1135
1136 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1137 int i;
1138 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1139 if (cnt != 1) {
1140 dev_info(&pf->pdev->dev,
1141 "del relay: bad command string, cnt=%d\n",
1142 cnt);
1143 goto command_write_done;
1144 } else if (veb_seid < 0) {
1145 dev_info(&pf->pdev->dev,
1146 "del relay %d: bad relay seid\n", veb_seid);
1147 goto command_write_done;
1148 }
1149
1150 /* find the veb */
1151 for (i = 0; i < I40E_MAX_VEB; i++)
1152 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1153 break;
1154 if (i >= I40E_MAX_VEB) {
1155 dev_info(&pf->pdev->dev,
1156 "del relay: relay %d not found\n", veb_seid);
1157 goto command_write_done;
1158 }
1159
1160 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1161 i40e_veb_release(pf->veb[i]);
1162
1163 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
02e9c290 1164 struct i40e_mac_filter *f;
738a9e9b
SN		 1165 int vlan = 0;
1166 u8 ma[6];
02e9c290
JB		 1167 int ret;
1168
1169 cnt = sscanf(&cmd_buf[11],
1170 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1171 &vsi_seid,
1172 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1173 &vlan);
1174 if (cnt == 7) {
1175 vlan = 0;
1176 } else if (cnt != 8) {
1177 dev_info(&pf->pdev->dev,
1178 "add macaddr: bad command string, cnt=%d\n",
1179 cnt);
1180 goto command_write_done;
1181 }
1182
1183 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1184 if (!vsi) {
1185 dev_info(&pf->pdev->dev,
1186 "add macaddr: VSI %d not found\n", vsi_seid);
1187 goto command_write_done;
1188 }
1189
1190 f = i40e_add_filter(vsi, ma, vlan, false, false);
1191 ret = i40e_sync_vsi_filters(vsi);
1192 if (f && !ret)
1193 dev_info(&pf->pdev->dev,
1194 "add macaddr: %pM vlan=%d added to VSI %d\n",
1195 ma, vlan, vsi_seid);
1196 else
1197 dev_info(&pf->pdev->dev,
1198 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1199 ma, vlan, vsi_seid, f, ret);
1200
1201 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
02e9c290 1202 int vlan = 0;
738a9e9b 1203 u8 ma[6];
02e9c290
JB		 1204 int ret;
1205
1206 cnt = sscanf(&cmd_buf[11],
1207 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1208 &vsi_seid,
1209 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1210 &vlan);
1211 if (cnt == 7) {
1212 vlan = 0;
1213 } else if (cnt != 8) {
1214 dev_info(&pf->pdev->dev,
1215 "del macaddr: bad command string, cnt=%d\n",
1216 cnt);
1217 goto command_write_done;
1218 }
1219
1220 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1221 if (!vsi) {
1222 dev_info(&pf->pdev->dev,
1223 "del macaddr: VSI %d not found\n", vsi_seid);
1224 goto command_write_done;
1225 }
1226
1227 i40e_del_filter(vsi, ma, vlan, false, false);
1228 ret = i40e_sync_vsi_filters(vsi);
1229 if (!ret)
1230 dev_info(&pf->pdev->dev,
1231 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1232 ma, vlan, vsi_seid);
1233 else
1234 dev_info(&pf->pdev->dev,
1235 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1236 ma, vlan, vsi_seid, ret);
1237
1238 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
02e9c290 1239 i40e_status ret;
738a9e9b 1240 u16 vid;
efe1ac25 1241 unsigned int v;
02e9c290
JB		 1242
1243 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1244 if (cnt != 2) {
1245 dev_info(&pf->pdev->dev,
1246 "add pvid: bad command string, cnt=%d\n", 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, "add pvid: VSI %d not found\n",
1253 vsi_seid);
1254 goto command_write_done;
1255 }
1256
efe1ac25 1257 vid = v;
02e9c290
JB		 1258 ret = i40e_vsi_add_pvid(vsi, vid);
1259 if (!ret)
1260 dev_info(&pf->pdev->dev,
1261 "add pvid: %d added to VSI %d\n",
1262 vid, vsi_seid);
1263 else
1264 dev_info(&pf->pdev->dev,
1265 "add pvid: %d to VSI %d failed, ret=%d\n",
1266 vid, vsi_seid, ret);
1267
1268 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1269
1270 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1271 if (cnt != 1) {
1272 dev_info(&pf->pdev->dev,
1273 "del pvid: bad command string, cnt=%d\n",
1274 cnt);
1275 goto command_write_done;
1276 }
1277
1278 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1279 if (!vsi) {
1280 dev_info(&pf->pdev->dev,
1281 "del pvid: VSI %d not found\n", vsi_seid);
1282 goto command_write_done;
1283 }
1284
1285 i40e_vsi_remove_pvid(vsi);
1286 dev_info(&pf->pdev->dev,
1287 "del pvid: removed from VSI %d\n", vsi_seid);
1288
1289 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1290 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1291 i40e_fetch_switch_configuration(pf, true);
1292 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1293 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1294 if (cnt > 0)
1295 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1296 else
1297 i40e_dbg_dump_vsi_no_seid(pf);
1298 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1299 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1300 if (cnt > 0)
1301 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1302 else
1303 i40e_dbg_dump_veb_all(pf);
1304 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1305 int ring_id, desc_n;
1306 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1307 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1308 &vsi_seid, &ring_id, &desc_n);
1309 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1310 desc_n, pf, true);
1311 } else if (strncmp(&cmd_buf[10], "tx", 2)
1312 == 0) {
1313 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1314 &vsi_seid, &ring_id, &desc_n);
1315 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1316 desc_n, pf, false);
1317 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1318 i40e_dbg_dump_aq_desc(pf);
1319 } else {
1320 dev_info(&pf->pdev->dev,
1321 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1322 dev_info(&pf->pdev->dev,
1323 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1324 dev_info(&pf->pdev->dev, "dump desc aq\n");
1325 }
1326 } else if (strncmp(&cmd_buf[5], "stats", 5) == 0) {
1327 dev_info(&pf->pdev->dev, "pf stats:\n");
1328 i40e_dbg_dump_stats(pf, &pf->stats);
1329 dev_info(&pf->pdev->dev, "pf stats_offsets:\n");
1330 i40e_dbg_dump_stats(pf, &pf->stats_offsets);
1331 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1332 dev_info(&pf->pdev->dev,
1333 "core reset count: %d\n", pf->corer_count);
1334 dev_info(&pf->pdev->dev,
1335 "global reset count: %d\n", pf->globr_count);
1336 dev_info(&pf->pdev->dev,
1337 "emp reset count: %d\n", pf->empr_count);
1338 dev_info(&pf->pdev->dev,
1339 "pf reset count: %d\n", pf->pfr_count);
1340 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1341 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1342 struct i40e_dcbx_config *cfg =
1343 &pf->hw.local_dcbx_config;
1344 struct i40e_dcbx_config *r_cfg =
1345 &pf->hw.remote_dcbx_config;
1346 int i, ret;
1347
1348 bw_data = kzalloc(sizeof(
1349 struct i40e_aqc_query_port_ets_config_resp),
1350 GFP_KERNEL);
1351 if (!bw_data) {
1352 ret = -ENOMEM;
1353 goto command_write_done;
1354 }
1355
1356 ret = i40e_aq_query_port_ets_config(&pf->hw,
1357 pf->mac_seid,
1358 bw_data, NULL);
1359 if (ret) {
1360 dev_info(&pf->pdev->dev,
1361 "Query Port ETS Config AQ command failed =0x%x\n",
1362 pf->hw.aq.asq_last_status);
1363 kfree(bw_data);
1364 bw_data = NULL;
1365 goto command_write_done;
1366 }
1367 dev_info(&pf->pdev->dev,
1368 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1369 bw_data->tc_valid_bits,
1370 bw_data->tc_strict_priority_bits,
1371 le16_to_cpu(bw_data->tc_bw_max[0]),
1372 le16_to_cpu(bw_data->tc_bw_max[1]));
1373 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1374 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1375 bw_data->tc_bw_share_credits[i],
1376 le16_to_cpu(bw_data->tc_bw_limits[i]));
1377 }
1378
1379 kfree(bw_data);
1380 bw_data = NULL;
1381
1382 dev_info(&pf->pdev->dev,
1383 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1384 cfg->etscfg.willing, cfg->etscfg.cbs,
1385 cfg->etscfg.maxtcs);
1386 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1387 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1388 i, cfg->etscfg.prioritytable[i],
1389 cfg->etscfg.tcbwtable[i],
1390 cfg->etscfg.tsatable[i]);
1391 }
1392 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1393 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1394 i, cfg->etsrec.prioritytable[i],
1395 cfg->etsrec.tcbwtable[i],
1396 cfg->etsrec.tsatable[i]);
1397 }
1398 dev_info(&pf->pdev->dev,
1399 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1400 cfg->pfc.willing, cfg->pfc.mbc,
1401 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1402 dev_info(&pf->pdev->dev,
1403 "port app_table: num_apps=%d\n", cfg->numapps);
1404 for (i = 0; i < cfg->numapps; i++) {
1405 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1406 i, cfg->app[i].priority,
1407 cfg->app[i].selector,
1408 cfg->app[i].protocolid);
1409 }
1410 /* Peer TLV DCBX data */
1411 dev_info(&pf->pdev->dev,
1412 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1413 r_cfg->etscfg.willing,
1414 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1415 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1416 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1417 i, r_cfg->etscfg.prioritytable[i],
1418 r_cfg->etscfg.tcbwtable[i],
1419 r_cfg->etscfg.tsatable[i]);
1420 }
1421 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1422 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1423 i, r_cfg->etsrec.prioritytable[i],
1424 r_cfg->etsrec.tcbwtable[i],
1425 r_cfg->etsrec.tsatable[i]);
1426 }
1427 dev_info(&pf->pdev->dev,
1428 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1429 r_cfg->pfc.willing,
1430 r_cfg->pfc.mbc,
1431 r_cfg->pfc.pfccap,
1432 r_cfg->pfc.pfcenable);
1433 dev_info(&pf->pdev->dev,
1434 "remote port app_table: num_apps=%d\n",
1435 r_cfg->numapps);
1436 for (i = 0; i < r_cfg->numapps; i++) {
1437 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1438 i, r_cfg->app[i].priority,
1439 r_cfg->app[i].selector,
1440 r_cfg->app[i].protocolid);
1441 }
1442 } else {
1443 dev_info(&pf->pdev->dev,
1444 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1445 dev_info(&pf->pdev->dev, "dump switch, dump vsi [seid] or\n");
1446 dev_info(&pf->pdev->dev, "dump stats\n");
1447 dev_info(&pf->pdev->dev, "dump reset stats\n");
1448 dev_info(&pf->pdev->dev, "dump port\n");
1449 dev_info(&pf->pdev->dev,
1450 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1451 }
1452
1453 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1454 u32 level;
1455 cnt = sscanf(&cmd_buf[10], "%i", &level);
1456 if (cnt) {
1457 if (I40E_DEBUG_USER & level) {
1458 pf->hw.debug_mask = level;
1459 dev_info(&pf->pdev->dev,
1460 "set hw.debug_mask = 0x%08x\n",
1461 pf->hw.debug_mask);
1462 }
1463 pf->msg_enable = level;
1464 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1465 pf->msg_enable);
1466 } else {
1467 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1468 pf->msg_enable);
1469 }
1470 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
69bfb110 1471 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
23326186 1472 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
02e9c290
JB		 1473
1474 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
69bfb110 1475 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
23326186 1476 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED));
02e9c290
JB		 1477
1478 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
69bfb110 1479 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
23326186 1480 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
02e9c290 1481
7823fe34 1482 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
69bfb110 1483 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
23326186 1484 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED));
7823fe34 1485
02e9c290
JB		 1486 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1487 u32 address;
1488 u32 value;
2706a20e 1489 cnt = sscanf(&cmd_buf[4], "%i", &address);
02e9c290
JB		 1490 if (cnt != 1) {
1491 dev_info(&pf->pdev->dev, "read <reg>\n");
1492 goto command_write_done;
1493 }
1494
1495 /* check the range on address */
1496 if (address >= I40E_MAX_REGISTER) {
1497 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1498 address);
1499 goto command_write_done;
1500 }
1501
1502 value = rd32(&pf->hw, address);
1503 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1504 address, value);
1505
1506 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1507 u32 address, value;
2706a20e 1508 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
02e9c290
JB		 1509 if (cnt != 2) {
1510 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1511 goto command_write_done;
1512 }
1513
1514 /* check the range on address */
1515 if (address >= I40E_MAX_REGISTER) {
1516 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1517 address);
1518 goto command_write_done;
1519 }
1520 wr32(&pf->hw, address, value);
1521 value = rd32(&pf->hw, address);
1522 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1523 address, value);
1524 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1525 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
2706a20e 1526 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
02e9c290
JB		 1527 if (cnt == 0) {
1528 int i;
505682cd 1529 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 1530 i40e_vsi_reset_stats(pf->vsi[i]);
1531 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1532 } else if (cnt == 1) {
1533 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1534 if (!vsi) {
1535 dev_info(&pf->pdev->dev,
1536 "clear_stats vsi: bad vsi %d\n",
1537 vsi_seid);
1538 goto command_write_done;
1539 }
1540 i40e_vsi_reset_stats(vsi);
1541 dev_info(&pf->pdev->dev,
1542 "vsi clear stats called for vsi %d\n",
1543 vsi_seid);
1544 } else {
1545 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1546 }
1547 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) {
1548 i40e_pf_reset_stats(pf);
1549 dev_info(&pf->pdev->dev, "pf clear stats called\n");
1550 } else {
1551 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
1552 }
f1143c4b
ASJ		 1553 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1554 struct i40e_aq_desc *desc;
1555 i40e_status ret;
1556
1557 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1558 if (!desc)
1559 goto command_write_done;
1560 cnt = sscanf(&cmd_buf[11],
1561 "%hx %hx %hx %hx %x %x %x %x %x %x",
1562 &desc->flags,
1563 &desc->opcode, &desc->datalen, &desc->retval,
1564 &desc->cookie_high, &desc->cookie_low,
1565 &desc->params.internal.param0,
1566 &desc->params.internal.param1,
1567 &desc->params.internal.param2,
1568 &desc->params.internal.param3);
1569 if (cnt != 10) {
1570 dev_info(&pf->pdev->dev,
1571 "send aq_cmd: bad command string, cnt=%d\n",
1572 cnt);
1573 kfree(desc);
1574 desc = NULL;
1575 goto command_write_done;
1576 }
1577 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1578 if (!ret) {
1579 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1580 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1581 dev_info(&pf->pdev->dev,
1582 "AQ command send failed Opcode %x AQ Error: %d\n",
1583 desc->opcode, pf->hw.aq.asq_last_status);
1584 } else {
1585 dev_info(&pf->pdev->dev,
1586 "AQ command send failed Opcode %x Status: %d\n",
1587 desc->opcode, ret);
1588 }
1589 dev_info(&pf->pdev->dev,
1590 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1591 desc->flags, desc->opcode, desc->datalen, desc->retval,
1592 desc->cookie_high, desc->cookie_low,
1593 desc->params.internal.param0,
1594 desc->params.internal.param1,
1595 desc->params.internal.param2,
1596 desc->params.internal.param3);
1597 kfree(desc);
1598 desc = NULL;
1599 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1600 struct i40e_aq_desc *desc;
1601 i40e_status ret;
1602 u16 buffer_len;
1603 u8 *buff;
1604
1605 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1606 if (!desc)
1607 goto command_write_done;
1608 cnt = sscanf(&cmd_buf[20],
1609 "%hx %hx %hx %hx %x %x %x %x %x %x %hd",
1610 &desc->flags,
1611 &desc->opcode, &desc->datalen, &desc->retval,
1612 &desc->cookie_high, &desc->cookie_low,
1613 &desc->params.internal.param0,
1614 &desc->params.internal.param1,
1615 &desc->params.internal.param2,
1616 &desc->params.internal.param3,
1617 &buffer_len);
1618 if (cnt != 11) {
1619 dev_info(&pf->pdev->dev,
1620 "send indirect aq_cmd: bad command string, cnt=%d\n",
1621 cnt);
1622 kfree(desc);
1623 desc = NULL;
1624 goto command_write_done;
1625 }
1626 /* Just stub a buffer big enough in case user messed up */
1627 if (buffer_len == 0)
1628 buffer_len = 1280;
1629
1630 buff = kzalloc(buffer_len, GFP_KERNEL);
1631 if (!buff) {
1632 kfree(desc);
1633 desc = NULL;
1634 goto command_write_done;
1635 }
1636 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1637 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1638 buffer_len, NULL);
1639 if (!ret) {
1640 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1641 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1642 dev_info(&pf->pdev->dev,
1643 "AQ command send failed Opcode %x AQ Error: %d\n",
1644 desc->opcode, pf->hw.aq.asq_last_status);
1645 } else {
1646 dev_info(&pf->pdev->dev,
1647 "AQ command send failed Opcode %x Status: %d\n",
1648 desc->opcode, ret);
1649 }
1650 dev_info(&pf->pdev->dev,
1651 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1652 desc->flags, desc->opcode, desc->datalen, desc->retval,
1653 desc->cookie_high, desc->cookie_low,
1654 desc->params.internal.param0,
1655 desc->params.internal.param1,
1656 desc->params.internal.param2,
1657 desc->params.internal.param3);
1658 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1659 DUMP_PREFIX_OFFSET, 16, 1,
1660 buff, buffer_len, true);
1661 kfree(buff);
1662 buff = NULL;
1663 kfree(desc);
1664 desc = NULL;
02e9c290
JB		 1665 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1666 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
17a73f6b 1667 struct i40e_fdir_filter fd_data;
02e9c290
JB		 1668 u16 packet_len, i, j = 0;
1669 char *asc_packet;
17a73f6b 1670 u8 *raw_packet;
02e9c290 1671 bool add = false;
738a9e9b 1672 int ret;
02e9c290 1673
55a5e60b
ASJ		 1674 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1675 goto command_write_done;
1676
1677 if (strncmp(cmd_buf, "add", 3) == 0)
1678 add = true;
1679
1680 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1681 goto command_write_done;
1682
17a73f6b 1683 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
02e9c290
JB		 1684 GFP_KERNEL);
1685 if (!asc_packet)
1686 goto command_write_done;
1687
17a73f6b
JG		 1688 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1689 GFP_KERNEL);
02e9c290 1690
17a73f6b 1691 if (!raw_packet) {
02e9c290
JB		 1692 kfree(asc_packet);
1693 asc_packet = NULL;
1694 goto command_write_done;
1695 }
1696
02e9c290 1697 cnt = sscanf(&cmd_buf[13],
5561b6a1 1698 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
02e9c290
JB		 1699 &fd_data.q_index,
1700 &fd_data.flex_off, &fd_data.pctype,
1701 &fd_data.dest_vsi, &fd_data.dest_ctl,
1702 &fd_data.fd_status, &fd_data.cnt_index,
1703 &fd_data.fd_id, &packet_len, asc_packet);
1704 if (cnt != 10) {
1705 dev_info(&pf->pdev->dev,
1706 "program fd_filter: bad command string, cnt=%d\n",
1707 cnt);
1708 kfree(asc_packet);
1709 asc_packet = NULL;
17a73f6b 1710 kfree(raw_packet);
02e9c290
JB		 1711 goto command_write_done;
1712 }
1713
1714 /* fix packet length if user entered 0 */
1715 if (packet_len == 0)
17a73f6b 1716 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
02e9c290
JB		 1717
1718 /* make sure to check the max as well */
1719 packet_len = min_t(u16,
17a73f6b 1720 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
02e9c290 1721
02e9c290
JB		 1722 for (i = 0; i < packet_len; i++) {
1723 sscanf(&asc_packet[j], "%2hhx ",
17a73f6b 1724 &raw_packet[i]);
02e9c290 1725 j += 3;
02e9c290 1726 }
3753cb24
NP		 1727 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1728 print_hex_dump(KERN_INFO, "FD raw packet: ",
1729 DUMP_PREFIX_OFFSET, 16, 1,
17a73f6b
JG		 1730 raw_packet, packet_len, true);
1731 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
02e9c290
JB		 1732 if (!ret) {
1733 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1734 } else {
1735 dev_info(&pf->pdev->dev,
1736 "Filter command send failed %d\n", ret);
1737 }
17a73f6b
JG		 1738 kfree(raw_packet);
1739 raw_packet = NULL;
02e9c290
JB		 1740 kfree(asc_packet);
1741 asc_packet = NULL;
cbf61325
ASJ		 1742 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) {
1743 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false);
1744 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) {
1745 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true);
e17ff05c
ASJ		 1746 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1747 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1748 i40e_get_current_fd_count(pf));
02e9c290
JB		 1749 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1750 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1751 int ret;
1752 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1753 if (ret) {
1754 dev_info(&pf->pdev->dev,
1755 "Stop LLDP AQ command failed =0x%x\n",
1756 pf->hw.aq.asq_last_status);
1757 goto command_write_done;
1758 }
4e3b35b0
NP		 1759 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1760 pf->hw.mac.addr,
1761 I40E_ETH_P_LLDP, 0,
1762 pf->vsi[pf->lan_vsi]->seid,
1763 0, true, NULL, NULL);
1764 if (ret) {
1765 dev_info(&pf->pdev->dev,
1766 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1767 __func__, pf->hw.aq.asq_last_status);
1768 goto command_write_done;
1769 }
1770#ifdef CONFIG_I40E_DCB
1771 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1772 DCB_CAP_DCBX_VER_IEEE;
1773#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1774 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1775 int ret;
4e3b35b0
NP		 1776 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1777 pf->hw.mac.addr,
1778 I40E_ETH_P_LLDP, 0,
1779 pf->vsi[pf->lan_vsi]->seid,
1780 0, false, NULL, NULL);
1781 if (ret) {
1782 dev_info(&pf->pdev->dev,
1783 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1784 __func__, pf->hw.aq.asq_last_status);
1785 /* Continue and start FW LLDP anyways */
1786 }
1787
02e9c290
JB		 1788 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1789 if (ret) {
1790 dev_info(&pf->pdev->dev,
1791 "Start LLDP AQ command failed =0x%x\n",
1792 pf->hw.aq.asq_last_status);
1793 goto command_write_done;
1794 }
4e3b35b0
NP		 1795#ifdef CONFIG_I40E_DCB
1796 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1797 DCB_CAP_DCBX_VER_IEEE;
1798#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1799 } else if (strncmp(&cmd_buf[5],
1800 "get local", 9) == 0) {
738a9e9b 1801 u16 llen, rlen;
3753cb24 1802 int ret;
02e9c290 1803 u8 *buff;
02e9c290
JB		 1804 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1805 if (!buff)
1806 goto command_write_done;
1807
1808 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1809 I40E_AQ_LLDP_MIB_LOCAL,
1810 buff, I40E_LLDPDU_SIZE,
1811 &llen, &rlen, NULL);
1812 if (ret) {
1813 dev_info(&pf->pdev->dev,
1814 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1815 pf->hw.aq.asq_last_status);
1816 kfree(buff);
1817 buff = NULL;
1818 goto command_write_done;
1819 }
3753cb24
NP		 1820 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1821 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1822 DUMP_PREFIX_OFFSET, 16, 1,
1823 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1824 kfree(buff);
1825 buff = NULL;
1826 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
738a9e9b 1827 u16 llen, rlen;
3753cb24 1828 int ret;
02e9c290 1829 u8 *buff;
02e9c290
JB		 1830 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1831 if (!buff)
1832 goto command_write_done;
1833
1834 ret = i40e_aq_get_lldp_mib(&pf->hw,
1835 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
c27936e7 1836 I40E_AQ_LLDP_MIB_REMOTE,
02e9c290
JB		 1837 buff, I40E_LLDPDU_SIZE,
1838 &llen, &rlen, NULL);
1839 if (ret) {
1840 dev_info(&pf->pdev->dev,
1841 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1842 pf->hw.aq.asq_last_status);
1843 kfree(buff);
1844 buff = NULL;
1845 goto command_write_done;
1846 }
3753cb24
NP		 1847 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1848 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1849 DUMP_PREFIX_OFFSET, 16, 1,
1850 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1851 kfree(buff);
1852 buff = NULL;
1853 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1854 int ret;
1855 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1856 true, NULL);
1857 if (ret) {
1858 dev_info(&pf->pdev->dev,
1859 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1860 pf->hw.aq.asq_last_status);
1861 goto command_write_done;
1862 }
1863 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1864 int ret;
1865 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1866 false, NULL);
1867 if (ret) {
1868 dev_info(&pf->pdev->dev,
1869 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1870 pf->hw.aq.asq_last_status);
1871 goto command_write_done;
1872 }
1873 }
1874 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
3753cb24 1875 u16 buffer_len, bytes;
02e9c290
JB		 1876 u16 module;
1877 u32 offset;
1878 u16 *buff;
1879 int ret;
1880
1881 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1882 &module, &offset, &buffer_len);
1883 if (cnt == 0) {
1884 module = 0;
1885 offset = 0;
1886 buffer_len = 0;
1887 } else if (cnt == 1) {
1888 offset = 0;
1889 buffer_len = 0;
1890 } else if (cnt == 2) {
1891 buffer_len = 0;
1892 } else if (cnt > 3) {
1893 dev_info(&pf->pdev->dev,
1894 "nvm read: bad command string, cnt=%d\n", cnt);
1895 goto command_write_done;
1896 }
1897
520dfd8b
JB		 1898 /* set the max length */
1899 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
02e9c290
JB		 1900
1901 bytes = 2 * buffer_len;
520dfd8b
JB		 1902
1903 /* read at least 1k bytes, no more than 4kB */
1904 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
02e9c290
JB		 1905 buff = kzalloc(bytes, GFP_KERNEL);
1906 if (!buff)
1907 goto command_write_done;
1908
1909 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1910 if (ret) {
1911 dev_info(&pf->pdev->dev,
1912 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1913 ret, pf->hw.aq.asq_last_status);
1914 kfree(buff);
1915 goto command_write_done;
1916 }
1917
1918 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1919 bytes, (u8 *)buff, true, NULL);
1920 i40e_release_nvm(&pf->hw);
1921 if (ret) {
1922 dev_info(&pf->pdev->dev,
1923 "Read NVM AQ failed err=%d status=0x%x\n",
1924 ret, pf->hw.aq.asq_last_status);
1925 } else {
1926 dev_info(&pf->pdev->dev,
1927 "Read NVM module=0x%x offset=0x%x words=%d\n",
1928 module, offset, buffer_len);
a45e88c9 1929 if (bytes)
3753cb24
NP		 1930 print_hex_dump(KERN_INFO, "NVM Dump: ",
1931 DUMP_PREFIX_OFFSET, 16, 2,
a45e88c9 1932 buff, bytes, true);
02e9c290
JB		 1933 }
1934 kfree(buff);
1935 buff = NULL;
1936 } else {
1937 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1938 dev_info(&pf->pdev->dev, "available commands\n");
1939 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1940 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1941 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1942 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1943 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1944 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1945 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1946 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1947 dev_info(&pf->pdev->dev, " dump switch\n");
1948 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1949 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1950 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1951 dev_info(&pf->pdev->dev, " dump desc aq\n");
1952 dev_info(&pf->pdev->dev, " dump stats\n");
1953 dev_info(&pf->pdev->dev, " dump reset stats\n");
1954 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1955 dev_info(&pf->pdev->dev, " read <reg>\n");
1956 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1957 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1958 dev_info(&pf->pdev->dev, " clear_stats pf\n");
1959 dev_info(&pf->pdev->dev, " pfr\n");
1960 dev_info(&pf->pdev->dev, " corer\n");
1961 dev_info(&pf->pdev->dev, " globr\n");
f1143c4b
ASJ		 1962 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1963 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
02e9c290
JB		 1964 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");
1965 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");
cbf61325
ASJ		 1966 dev_info(&pf->pdev->dev, " fd-atr off\n");
1967 dev_info(&pf->pdev->dev, " fd-atr on\n");
e17ff05c 1968 dev_info(&pf->pdev->dev, " fd current cnt");
02e9c290
JB		 1969 dev_info(&pf->pdev->dev, " lldp start\n");
1970 dev_info(&pf->pdev->dev, " lldp stop\n");
1971 dev_info(&pf->pdev->dev, " lldp get local\n");
1972 dev_info(&pf->pdev->dev, " lldp get remote\n");
1973 dev_info(&pf->pdev->dev, " lldp event on\n");
1974 dev_info(&pf->pdev->dev, " lldp event off\n");
1975 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1976 }
1977
1978command_write_done:
1979 kfree(cmd_buf);
1980 cmd_buf = NULL;
02e9c290
JB		 1981 return count;
1982}
1983
1984static const struct file_operations i40e_dbg_command_fops = {
1985 .owner = THIS_MODULE,
1986 .open = simple_open,
1987 .read = i40e_dbg_command_read,
1988 .write = i40e_dbg_command_write,
1989};
1990
1991/**************************************************************
1992 * netdev_ops
1993 * The netdev_ops entry in debugfs is for giving the driver commands
1994 * to be executed from the netdev operations.
1995 **************************************************************/
1996static char i40e_dbg_netdev_ops_buf[256] = "hello world";
1997
1998/**
1999 * i40e_dbg_netdev_ops - read for netdev_ops datum
2000 * @filp: the opened file
2001 * @buffer: where to write the data for the user to read
2002 * @count: the size of the user's buffer
2003 * @ppos: file position offset
2004 **/
2005static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
2006 size_t count, loff_t *ppos)
2007{
2008 struct i40e_pf *pf = filp->private_data;
2009 int bytes_not_copied;
2010 int buf_size = 256;
2011 char *buf;
2012 int len;
2013
2014 /* don't allow partal reads */
2015 if (*ppos != 0)
2016 return 0;
2017 if (count < buf_size)
2018 return -ENOSPC;
2019
2020 buf = kzalloc(buf_size, GFP_KERNEL);
2021 if (!buf)
2022 return -ENOSPC;
2023
2024 len = snprintf(buf, buf_size, "%s: %s\n",
2025 pf->vsi[pf->lan_vsi]->netdev->name,
2026 i40e_dbg_netdev_ops_buf);
2027
2028 bytes_not_copied = copy_to_user(buffer, buf, len);
2029 kfree(buf);
2030
2031 if (bytes_not_copied < 0)
2032 return bytes_not_copied;
2033
2034 *ppos = len;
2035 return len;
2036}
2037
2038/**
2039 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
2040 * @filp: the opened file
2041 * @buffer: where to find the user's data
2042 * @count: the length of the user's data
2043 * @ppos: file position offset
2044 **/
2045static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
2046 const char __user *buffer,
2047 size_t count, loff_t *ppos)
2048{
2049 struct i40e_pf *pf = filp->private_data;
2050 int bytes_not_copied;
2051 struct i40e_vsi *vsi;
004173cb 2052 char *buf_tmp;
02e9c290
JB		 2053 int vsi_seid;
2054 int i, cnt;
2055
2056 /* don't allow partial writes */
2057 if (*ppos != 0)
2058 return 0;
2059 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2060 return -ENOSPC;
2061
2062 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2063 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2064 buffer, count);
2065 if (bytes_not_copied < 0)
2066 return bytes_not_copied;
2067 else if (bytes_not_copied > 0)
2068 count -= bytes_not_copied;
2069 i40e_dbg_netdev_ops_buf[count] = '\0';
2070
004173cb
JB		 2071 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2072 if (buf_tmp) {
2073 *buf_tmp = '\0';
2074 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2075 }
2076
02e9c290
JB		 2077 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2078 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2079 if (cnt != 1) {
2080 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2081 goto netdev_ops_write_done;
2082 }
2083 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2084 if (!vsi) {
2085 dev_info(&pf->pdev->dev,
2086 "tx_timeout: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2087 } else if (!vsi->netdev) {
2088 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2089 vsi_seid);
2090 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2091 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2092 vsi_seid);
2093 } else if (rtnl_trylock()) {
02e9c290
JB		 2094 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2095 rtnl_unlock();
2096 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2097 } else {
2098 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2099 }
2100 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2101 int mtu;
2102 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2103 &vsi_seid, &mtu);
2104 if (cnt != 2) {
2105 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2106 goto netdev_ops_write_done;
2107 }
2108 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2109 if (!vsi) {
2110 dev_info(&pf->pdev->dev,
2111 "change_mtu: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2112 } else if (!vsi->netdev) {
2113 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2114 vsi_seid);
2115 } else if (rtnl_trylock()) {
02e9c290
JB		 2116 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2117 mtu);
2118 rtnl_unlock();
2119 dev_info(&pf->pdev->dev, "change_mtu called\n");
2120 } else {
2121 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2122 }
2123
2124 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2125 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2126 if (cnt != 1) {
2127 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2128 goto netdev_ops_write_done;
2129 }
2130 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2131 if (!vsi) {
2132 dev_info(&pf->pdev->dev,
2133 "set_rx_mode: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2134 } else if (!vsi->netdev) {
2135 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2136 vsi_seid);
2137 } else if (rtnl_trylock()) {
02e9c290
JB		 2138 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2139 rtnl_unlock();
2140 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2141 } else {
2142 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2143 }
2144
2145 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2146 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2147 if (cnt != 1) {
2148 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2149 goto netdev_ops_write_done;
2150 }
2151 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2152 if (!vsi) {
2153 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2154 vsi_seid);
ca04657b
SN		 2155 } else if (!vsi->netdev) {
2156 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2157 vsi_seid);
2158 } else {
2159 for (i = 0; i < vsi->num_q_vectors; i++)
2160 napi_schedule(&vsi->q_vectors[i]->napi);
2161 dev_info(&pf->pdev->dev, "napi called\n");
02e9c290 2162 }
02e9c290
JB		 2163 } else {
2164 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2165 i40e_dbg_netdev_ops_buf);
2166 dev_info(&pf->pdev->dev, "available commands\n");
2167 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2168 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2169 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2170 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2171 }
2172netdev_ops_write_done:
2173 return count;
2174}
2175
2176static const struct file_operations i40e_dbg_netdev_ops_fops = {
2177 .owner = THIS_MODULE,
2178 .open = simple_open,
2179 .read = i40e_dbg_netdev_ops_read,
2180 .write = i40e_dbg_netdev_ops_write,
2181};
2182
2183/**
2184 * i40e_dbg_pf_init - setup the debugfs directory for the pf
2185 * @pf: the pf that is starting up
2186 **/
2187void i40e_dbg_pf_init(struct i40e_pf *pf)
2188{
6301002f 2189 struct dentry *pfile;
02e9c290 2190 const char *name = pci_name(pf->pdev);
6301002f 2191 const struct device *dev = &pf->pdev->dev;
02e9c290
JB		 2192
2193 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
6301002f
JB		 2194 if (!pf->i40e_dbg_pf)
2195 return;
2196
2197 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2198 &i40e_dbg_command_fops);
2199 if (!pfile)
2200 goto create_failed;
2201
2202 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2203 &i40e_dbg_dump_fops);
2204 if (!pfile)
2205 goto create_failed;
2206
2207 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2208 &i40e_dbg_netdev_ops_fops);
2209 if (!pfile)
2210 goto create_failed;
2211
2212 return;
2213
2214create_failed:
2215 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2216 debugfs_remove_recursive(pf->i40e_dbg_pf);
2217 return;
02e9c290
JB		 2218}
2219
2220/**
2221 * i40e_dbg_pf_exit - clear out the pf's debugfs entries
2222 * @pf: the pf that is stopping
2223 **/
2224void i40e_dbg_pf_exit(struct i40e_pf *pf)
2225{
2226 debugfs_remove_recursive(pf->i40e_dbg_pf);
2227 pf->i40e_dbg_pf = NULL;
2228
2229 kfree(i40e_dbg_dump_buf);
2230 i40e_dbg_dump_buf = NULL;
2231}
2232
2233/**
2234 * i40e_dbg_init - start up debugfs for the driver
2235 **/
2236void i40e_dbg_init(void)
2237{
2238 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2239 if (!i40e_dbg_root)
2240 pr_info("init of debugfs failed\n");
2241}
2242
2243/**
2244 * i40e_dbg_exit - clean out the driver's debugfs entries
2245 **/
2246void i40e_dbg_exit(void)
2247{
2248 debugfs_remove_recursive(i40e_dbg_root);
2249 i40e_dbg_root = NULL;
2250}
2251
2252#endif /* CONFIG_DEBUG_FS */
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