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i40e: limit debugfs io ops
[deliverable/linux.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
b40c82e6 38 * @pf - the PF structure to search for the vsi
02e9c290
JB		 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
b40c82e6 57 * @pf - the PF structure to search for the veb
02e9c290
JB		 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
b40c82e6 115 * @pf: the PF we're working with
02e9c290
JB		 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 **************************************************************/
d1da3ac0 321static char i40e_dbg_command_buf[256] = "";
02e9c290
JB		 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);
2ddb80c9
SN		 393 if (vsi == pf->vsi[pf->lan_vsi])
394 dev_info(&pf->pdev->dev, "MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
395 pf->hw.mac.addr,
396 pf->hw.mac.san_addr,
397 pf->hw.mac.port_addr);
02e9c290
JB		 398 list_for_each_entry(f, &vsi->mac_filter_list, list) {
399 dev_info(&pf->pdev->dev,
400 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
401 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
402 f->counter);
403 }
404 nstat = i40e_get_vsi_stats_struct(vsi);
405 dev_info(&pf->pdev->dev,
406 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
407 (long unsigned int)nstat->rx_packets,
408 (long unsigned int)nstat->rx_bytes,
409 (long unsigned int)nstat->rx_errors,
410 (long unsigned int)nstat->rx_dropped);
411 dev_info(&pf->pdev->dev,
412 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
413 (long unsigned int)nstat->tx_packets,
414 (long unsigned int)nstat->tx_bytes,
415 (long unsigned int)nstat->tx_errors,
416 (long unsigned int)nstat->tx_dropped);
417 dev_info(&pf->pdev->dev,
418 " net_stats: multicast = %lu, collisions = %lu\n",
419 (long unsigned int)nstat->multicast,
420 (long unsigned int)nstat->collisions);
421 dev_info(&pf->pdev->dev,
422 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
423 (long unsigned int)nstat->rx_length_errors,
424 (long unsigned int)nstat->rx_over_errors,
425 (long unsigned int)nstat->rx_crc_errors);
426 dev_info(&pf->pdev->dev,
427 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
428 (long unsigned int)nstat->rx_frame_errors,
429 (long unsigned int)nstat->rx_fifo_errors,
430 (long unsigned int)nstat->rx_missed_errors);
431 dev_info(&pf->pdev->dev,
432 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
433 (long unsigned int)nstat->tx_aborted_errors,
434 (long unsigned int)nstat->tx_carrier_errors,
435 (long unsigned int)nstat->tx_fifo_errors);
436 dev_info(&pf->pdev->dev,
437 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
438 (long unsigned int)nstat->tx_heartbeat_errors,
439 (long unsigned int)nstat->tx_window_errors);
440 dev_info(&pf->pdev->dev,
441 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
442 (long unsigned int)nstat->rx_compressed,
443 (long unsigned int)nstat->tx_compressed);
444 dev_info(&pf->pdev->dev,
445 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
446 (long unsigned int)vsi->net_stats_offsets.rx_packets,
447 (long unsigned int)vsi->net_stats_offsets.rx_bytes,
448 (long unsigned int)vsi->net_stats_offsets.rx_errors,
449 (long unsigned int)vsi->net_stats_offsets.rx_dropped);
450 dev_info(&pf->pdev->dev,
451 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
452 (long unsigned int)vsi->net_stats_offsets.tx_packets,
453 (long unsigned int)vsi->net_stats_offsets.tx_bytes,
454 (long unsigned int)vsi->net_stats_offsets.tx_errors,
455 (long unsigned int)vsi->net_stats_offsets.tx_dropped);
456 dev_info(&pf->pdev->dev,
457 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
458 (long unsigned int)vsi->net_stats_offsets.multicast,
459 (long unsigned int)vsi->net_stats_offsets.collisions);
460 dev_info(&pf->pdev->dev,
461 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
462 (long unsigned int)vsi->net_stats_offsets.rx_length_errors,
463 (long unsigned int)vsi->net_stats_offsets.rx_over_errors,
464 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors);
465 dev_info(&pf->pdev->dev,
466 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
467 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors,
468 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors,
469 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors);
470 dev_info(&pf->pdev->dev,
471 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
472 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors,
473 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors,
474 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors);
475 dev_info(&pf->pdev->dev,
476 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
477 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors,
478 (long unsigned int)vsi->net_stats_offsets.tx_window_errors);
479 dev_info(&pf->pdev->dev,
480 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
481 (long unsigned int)vsi->net_stats_offsets.rx_compressed,
482 (long unsigned int)vsi->net_stats_offsets.tx_compressed);
483 dev_info(&pf->pdev->dev,
484 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
485 vsi->tx_restart, vsi->tx_busy,
486 vsi->rx_buf_failed, vsi->rx_page_failed);
9f65e15b
AD		 487 rcu_read_lock();
488 for (i = 0; i < vsi->num_queue_pairs; i++) {
489 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
490 if (!rx_ring)
491 continue;
492
493 dev_info(&pf->pdev->dev,
494 " rx_rings[%i]: desc = %p\n",
495 i, rx_ring->desc);
496 dev_info(&pf->pdev->dev,
497 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
498 i, rx_ring->dev,
499 rx_ring->netdev,
500 rx_ring->rx_bi);
501 dev_info(&pf->pdev->dev,
502 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
503 i, rx_ring->state,
504 rx_ring->queue_index,
505 rx_ring->reg_idx);
506 dev_info(&pf->pdev->dev,
507 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
508 i, rx_ring->rx_hdr_len,
509 rx_ring->rx_buf_len,
510 rx_ring->dtype);
511 dev_info(&pf->pdev->dev,
512 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
513 i, rx_ring->hsplit,
514 rx_ring->next_to_use,
515 rx_ring->next_to_clean,
516 rx_ring->ring_active);
517 dev_info(&pf->pdev->dev,
518 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
519 i, rx_ring->stats.packets,
520 rx_ring->stats.bytes,
521 rx_ring->rx_stats.non_eop_descs);
522 dev_info(&pf->pdev->dev,
420136cc 523 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
9f65e15b 524 i,
420136cc
MW		 525 rx_ring->rx_stats.alloc_page_failed,
526 rx_ring->rx_stats.alloc_buff_failed);
9f65e15b
AD		 527 dev_info(&pf->pdev->dev,
528 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
529 i, rx_ring->size,
530 (long unsigned int)rx_ring->dma);
531 dev_info(&pf->pdev->dev,
532 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
533 i, rx_ring->vsi,
534 rx_ring->q_vector);
02e9c290 535 }
9f65e15b
AD		 536 for (i = 0; i < vsi->num_queue_pairs; i++) {
537 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
538 if (!tx_ring)
539 continue;
1b60f3c4 540
9f65e15b
AD		 541 dev_info(&pf->pdev->dev,
542 " tx_rings[%i]: desc = %p\n",
543 i, tx_ring->desc);
544 dev_info(&pf->pdev->dev,
545 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
546 i, tx_ring->dev,
547 tx_ring->netdev,
548 tx_ring->tx_bi);
549 dev_info(&pf->pdev->dev,
550 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
551 i, tx_ring->state,
552 tx_ring->queue_index,
553 tx_ring->reg_idx);
554 dev_info(&pf->pdev->dev,
555 " tx_rings[%i]: dtype = %d\n",
556 i, tx_ring->dtype);
557 dev_info(&pf->pdev->dev,
558 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
559 i, tx_ring->hsplit,
560 tx_ring->next_to_use,
561 tx_ring->next_to_clean,
562 tx_ring->ring_active);
563 dev_info(&pf->pdev->dev,
564 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
565 i, tx_ring->stats.packets,
566 tx_ring->stats.bytes,
567 tx_ring->tx_stats.restart_queue);
568 dev_info(&pf->pdev->dev,
569 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
570 i,
571 tx_ring->tx_stats.tx_busy,
572 tx_ring->tx_stats.tx_done_old);
573 dev_info(&pf->pdev->dev,
574 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
575 i, tx_ring->size,
576 (long unsigned int)tx_ring->dma);
577 dev_info(&pf->pdev->dev,
578 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
579 i, tx_ring->vsi,
580 tx_ring->q_vector);
581 dev_info(&pf->pdev->dev,
582 " tx_rings[%i]: DCB tc = %d\n",
583 i, tx_ring->dcb_tc);
02e9c290 584 }
9f65e15b 585 rcu_read_unlock();
02e9c290
JB		 586 dev_info(&pf->pdev->dev,
587 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
588 vsi->work_limit, vsi->rx_itr_setting,
589 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
590 vsi->tx_itr_setting,
591 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
592 dev_info(&pf->pdev->dev,
593 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
594 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
02e9c290
JB		 595 dev_info(&pf->pdev->dev,
596 " num_q_vectors = %i, base_vector = %i\n",
597 vsi->num_q_vectors, vsi->base_vector);
598 dev_info(&pf->pdev->dev,
599 " seid = %d, id = %d, uplink_seid = %d\n",
600 vsi->seid, vsi->id, vsi->uplink_seid);
601 dev_info(&pf->pdev->dev,
602 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
603 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
604 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
605 dev_info(&pf->pdev->dev,
606 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
607 vsi->info.valid_sections, vsi->info.switch_id);
608 dev_info(&pf->pdev->dev,
609 " info: sw_reserved[] = 0x%02x 0x%02x\n",
610 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
611 dev_info(&pf->pdev->dev,
612 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
613 vsi->info.sec_flags, vsi->info.sec_reserved);
614 dev_info(&pf->pdev->dev,
615 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
616 vsi->info.pvid, vsi->info.fcoe_pvid,
617 vsi->info.port_vlan_flags);
618 dev_info(&pf->pdev->dev,
619 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
620 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
621 vsi->info.pvlan_reserved[2]);
622 dev_info(&pf->pdev->dev,
623 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
624 vsi->info.ingress_table, vsi->info.egress_table);
625 dev_info(&pf->pdev->dev,
626 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
627 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
628 vsi->info.cas_pv_reserved);
629 dev_info(&pf->pdev->dev,
630 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
631 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
632 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
633 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
634 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
635 dev_info(&pf->pdev->dev,
636 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
637 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
638 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
639 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
640 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
641 dev_info(&pf->pdev->dev,
642 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
643 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
644 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
645 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
646 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
647 dev_info(&pf->pdev->dev,
648 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
649 vsi->info.queueing_opt_flags,
650 vsi->info.queueing_opt_reserved[0],
651 vsi->info.queueing_opt_reserved[1],
652 vsi->info.queueing_opt_reserved[2]);
653 dev_info(&pf->pdev->dev,
654 " info: up_enable_bits = 0x%02x\n",
655 vsi->info.up_enable_bits);
656 dev_info(&pf->pdev->dev,
657 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
658 vsi->info.sched_reserved, vsi->info.outer_up_table);
659 dev_info(&pf->pdev->dev,
660 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
661 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
662 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
663 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
664 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
665 dev_info(&pf->pdev->dev,
666 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
667 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
668 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
669 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
670 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
671 dev_info(&pf->pdev->dev,
672 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
673 vsi->info.stat_counter_idx, vsi->info.sched_id);
674 dev_info(&pf->pdev->dev,
675 " 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",
676 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
677 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
678 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
679 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
680 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
681 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
682 if (vsi->back)
b40c82e6 683 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
02e9c290
JB		 684 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
685 dev_info(&pf->pdev->dev,
686 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
687 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
688 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
689 dev_info(&pf->pdev->dev,
690 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
691 i, vsi->tc_config.tc_info[i].qoffset,
692 vsi->tc_config.tc_info[i].qcount,
693 vsi->tc_config.tc_info[i].netdev_tc);
694 }
695 dev_info(&pf->pdev->dev,
696 " bw: bw_limit = %d, bw_max_quanta = %d\n",
697 vsi->bw_limit, vsi->bw_max_quanta);
698 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
699 dev_info(&pf->pdev->dev,
700 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
701 i, vsi->bw_ets_share_credits[i],
702 vsi->bw_ets_limit_credits[i],
703 vsi->bw_ets_max_quanta[i]);
704 }
38e00438
VD		 705#ifdef I40E_FCOE
706 if (vsi->type == I40E_VSI_FCOE) {
707 dev_info(&pf->pdev->dev,
708 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
709 vsi->fcoe_stats.rx_fcoe_packets,
710 vsi->fcoe_stats.rx_fcoe_dwords,
711 vsi->fcoe_stats.rx_fcoe_dropped);
712 dev_info(&pf->pdev->dev,
713 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
714 vsi->fcoe_stats.tx_fcoe_packets,
715 vsi->fcoe_stats.tx_fcoe_dwords);
716 dev_info(&pf->pdev->dev,
717 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
718 vsi->fcoe_stats.fcoe_bad_fccrc,
719 vsi->fcoe_stats.fcoe_last_error);
720 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
721 vsi->fcoe_stats.fcoe_ddp_count);
722 }
723#endif
02e9c290
JB		 724}
725
726/**
727 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
728 * @pf: the i40e_pf created in command write
729 **/
730static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
731{
732 struct i40e_adminq_ring *ring;
733 struct i40e_hw *hw = &pf->hw;
e625f71b 734 char hdr[32];
02e9c290
JB		 735 int i;
736
e625f71b
SN		 737 snprintf(hdr, sizeof(hdr), "%s %s: ",
738 dev_driver_string(&pf->pdev->dev),
739 dev_name(&pf->pdev->dev));
740
02e9c290
JB		 741 /* first the send (command) ring, then the receive (event) ring */
742 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
743 ring = &(hw->aq.asq);
744 for (i = 0; i < ring->count; i++) {
745 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
746 dev_info(&pf->pdev->dev,
747 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
748 i, d->flags, d->opcode, d->datalen, d->retval,
749 d->cookie_high, d->cookie_low);
e625f71b
SN		 750 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
751 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 752 }
753
754 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
755 ring = &(hw->aq.arq);
756 for (i = 0; i < ring->count; i++) {
757 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
758 dev_info(&pf->pdev->dev,
759 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
760 i, d->flags, d->opcode, d->datalen, d->retval,
761 d->cookie_high, d->cookie_low);
e625f71b
SN		 762 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
763 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 764 }
765}
766
767/**
768 * i40e_dbg_dump_desc - handles dump desc write into command datum
769 * @cnt: number of arguments that the user supplied
770 * @vsi_seid: vsi id entered by user
771 * @ring_id: ring id entered by user
772 * @desc_n: descriptor number entered by user
773 * @pf: the i40e_pf created in command write
774 * @is_rx_ring: true if rx, false if tx
775 **/
776static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
777 struct i40e_pf *pf, bool is_rx_ring)
778{
68bf94aa
SN		 779 struct i40e_tx_desc *txd;
780 union i40e_rx_desc *rxd;
e6c97234 781 struct i40e_ring *ring;
02e9c290
JB		 782 struct i40e_vsi *vsi;
783 int i;
784
785 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
786 if (!vsi) {
7792fe4f 787 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
02e9c290
JB		 788 return;
789 }
790 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
791 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
02e9c290
JB		 792 return;
793 }
68bf94aa 794 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
29d0790e
SN		 795 dev_info(&pf->pdev->dev,
796 "descriptor rings have not been allocated for vsi %d\n",
797 vsi_seid);
798 return;
799 }
e6c97234
JP		 800
801 ring = kmemdup(is_rx_ring
802 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
803 sizeof(*ring), GFP_KERNEL);
804 if (!ring)
805 return;
806
02e9c290
JB		 807 if (cnt == 2) {
808 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
809 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
e6c97234 810 for (i = 0; i < ring->count; i++) {
68bf94aa 811 if (!is_rx_ring) {
e6c97234 812 txd = I40E_TX_DESC(ring, i);
02e9c290 813 dev_info(&pf->pdev->dev,
68bf94aa
SN		 814 " d[%03i] = 0x%016llx 0x%016llx\n",
815 i, txd->buffer_addr,
816 txd->cmd_type_offset_bsz);
817 } else if (sizeof(union i40e_rx_desc) ==
818 sizeof(union i40e_16byte_rx_desc)) {
e6c97234 819 rxd = I40E_RX_DESC(ring, i);
68bf94aa
SN		 820 dev_info(&pf->pdev->dev,
821 " d[%03i] = 0x%016llx 0x%016llx\n",
822 i, rxd->read.pkt_addr,
823 rxd->read.hdr_addr);
824 } else {
e6c97234 825 rxd = I40E_RX_DESC(ring, i);
02e9c290
JB		 826 dev_info(&pf->pdev->dev,
827 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 828 i, rxd->read.pkt_addr,
829 rxd->read.hdr_addr,
830 rxd->read.rsvd1, rxd->read.rsvd2);
831 }
02e9c290
JB		 832 }
833 } else if (cnt == 3) {
e6c97234 834 if (desc_n >= ring->count || desc_n < 0) {
02e9c290
JB		 835 dev_info(&pf->pdev->dev,
836 "descriptor %d not found\n", desc_n);
e3fe44c7 837 goto out;
02e9c290 838 }
68bf94aa 839 if (!is_rx_ring) {
e6c97234 840 txd = I40E_TX_DESC(ring, desc_n);
02e9c290 841 dev_info(&pf->pdev->dev,
68bf94aa
SN		 842 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
843 vsi_seid, ring_id, desc_n,
844 txd->buffer_addr, txd->cmd_type_offset_bsz);
845 } else if (sizeof(union i40e_rx_desc) ==
846 sizeof(union i40e_16byte_rx_desc)) {
e6c97234 847 rxd = I40E_RX_DESC(ring, desc_n);
68bf94aa
SN		 848 dev_info(&pf->pdev->dev,
849 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
850 vsi_seid, ring_id, desc_n,
851 rxd->read.pkt_addr, rxd->read.hdr_addr);
852 } else {
e6c97234 853 rxd = I40E_RX_DESC(ring, desc_n);
02e9c290
JB		 854 dev_info(&pf->pdev->dev,
855 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 856 vsi_seid, ring_id, desc_n,
857 rxd->read.pkt_addr, rxd->read.hdr_addr,
858 rxd->read.rsvd1, rxd->read.rsvd2);
859 }
02e9c290 860 } else {
7792fe4f 861 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
02e9c290 862 }
e3fe44c7
JP		 863
864out:
e6c97234 865 kfree(ring);
02e9c290
JB		 866}
867
868/**
869 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
870 * @pf: the i40e_pf created in command write
871 **/
872static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
873{
874 int i;
875
505682cd 876 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 877 if (pf->vsi[i])
878 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
879 i, pf->vsi[i]->seid);
880}
881
882/**
883 * i40e_dbg_dump_stats - handles dump stats write into command datum
884 * @pf: the i40e_pf created in command write
885 * @estats: the eth stats structure to be dumped
886 **/
887static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
888 struct i40e_eth_stats *estats)
889{
890 dev_info(&pf->pdev->dev, " ethstats:\n");
891 dev_info(&pf->pdev->dev,
892 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
893 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
894 dev_info(&pf->pdev->dev,
03da6f6a
SN		 895 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
896 estats->rx_broadcast, estats->rx_discards);
02e9c290 897 dev_info(&pf->pdev->dev,
03da6f6a
SN		 898 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
899 estats->rx_unknown_protocol, estats->tx_bytes);
02e9c290
JB		 900 dev_info(&pf->pdev->dev,
901 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
902 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
903 dev_info(&pf->pdev->dev,
904 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
905 estats->tx_discards, estats->tx_errors);
906}
907
02e9c290
JB		 908/**
909 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
910 * @pf: the i40e_pf created in command write
911 * @seid: the seid the user put in
912 **/
913static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
914{
915 struct i40e_veb *veb;
916
917 if ((seid < I40E_BASE_VEB_SEID) ||
918 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
919 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
920 return;
921 }
922
923 veb = i40e_dbg_find_veb(pf, seid);
924 if (!veb) {
e625f71b 925 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
02e9c290
JB		 926 return;
927 }
928 dev_info(&pf->pdev->dev,
51616018 929 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
02e9c290 930 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
51616018
NP		 931 veb->uplink_seid,
932 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
02e9c290
JB		 933 i40e_dbg_dump_eth_stats(pf, &veb->stats);
934}
935
936/**
937 * i40e_dbg_dump_veb_all - dumps all known veb's stats
938 * @pf: the i40e_pf created in command write
939 **/
940static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
941{
942 struct i40e_veb *veb;
943 int i;
944
945 for (i = 0; i < I40E_MAX_VEB; i++) {
946 veb = pf->veb[i];
947 if (veb)
948 i40e_dbg_dump_veb_seid(pf, veb->seid);
949 }
950}
951
cbf61325
ASJ		 952/**
953 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR
b40c82e6 954 * @pf: the PF that would be altered
cbf61325
ASJ		 955 * @flag: flag that needs enabling or disabling
956 * @enable: Enable/disable FD SD/ATR
957 **/
958static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable)
959{
55a5e60b 960 if (enable) {
cbf61325 961 pf->flags |= flag;
55a5e60b 962 } else {
cbf61325 963 pf->flags &= ~flag;
55a5e60b
ASJ		 964 pf->auto_disable_flags |= flag;
965 }
b40c82e6 966 dev_info(&pf->pdev->dev, "requesting a PF reset\n");
41a1d04b 967 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
cbf61325
ASJ		 968}
969
02e9c290
JB		 970#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
971/**
972 * i40e_dbg_command_write - write into command datum
973 * @filp: the opened file
974 * @buffer: where to find the user's data
975 * @count: the length of the user's data
976 * @ppos: file position offset
977 **/
978static ssize_t i40e_dbg_command_write(struct file *filp,
979 const char __user *buffer,
980 size_t count, loff_t *ppos)
981{
982 struct i40e_pf *pf = filp->private_data;
004173cb 983 char *cmd_buf, *cmd_buf_tmp;
02e9c290
JB		 984 int bytes_not_copied;
985 struct i40e_vsi *vsi;
02e9c290
JB		 986 int vsi_seid;
987 int veb_seid;
988 int cnt;
989
990 /* don't allow partial writes */
991 if (*ppos != 0)
992 return 0;
993
994 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
995 if (!cmd_buf)
996 return count;
997 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
dda094a3
AK		 998 if (bytes_not_copied < 0) {
999 kfree(cmd_buf);
02e9c290 1000 return bytes_not_copied;
dda094a3 1001 }
02e9c290
JB		 1002 if (bytes_not_copied > 0)
1003 count -= bytes_not_copied;
1004 cmd_buf[count] = '\0';
1005
004173cb
JB		 1006 cmd_buf_tmp = strchr(cmd_buf, '\n');
1007 if (cmd_buf_tmp) {
1008 *cmd_buf_tmp = '\0';
1009 count = cmd_buf_tmp - cmd_buf + 1;
1010 }
1011
02e9c290
JB		 1012 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1013 vsi_seid = -1;
1014 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1015 if (cnt == 0) {
1016 /* default to PF VSI */
1017 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1018 } else if (vsi_seid < 0) {
1019 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1020 vsi_seid);
1021 goto command_write_done;
1022 }
1023
fc60861e
ASJ		 1024 /* By default we are in VEPA mode, if this is the first VF/VMDq
1025 * VSI to be added switch to VEB mode.
1026 */
1027 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1028 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1029 i40e_do_reset_safe(pf,
1030 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1031 }
1032
02e9c290
JB		 1033 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1034 if (vsi)
1035 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1036 vsi->seid, vsi->uplink_seid);
1037 else
1038 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1039
1040 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1041 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1042 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1043 if (!vsi) {
1044 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1045 vsi_seid);
1046 goto command_write_done;
1047 }
1048
1049 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1050 i40e_vsi_release(vsi);
1051
1052 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1053 struct i40e_veb *veb;
1054 int uplink_seid, i;
1055
1056 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1057 if (cnt != 2) {
1058 dev_info(&pf->pdev->dev,
1059 "add relay: bad command string, cnt=%d\n",
1060 cnt);
1061 goto command_write_done;
1062 } else if (uplink_seid < 0) {
1063 dev_info(&pf->pdev->dev,
1064 "add relay %d: bad uplink seid\n",
1065 uplink_seid);
1066 goto command_write_done;
1067 }
1068
1069 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1070 if (!vsi) {
1071 dev_info(&pf->pdev->dev,
c07019e4 1072 "add relay: VSI %d not found\n", vsi_seid);
02e9c290
JB		 1073 goto command_write_done;
1074 }
1075
1076 for (i = 0; i < I40E_MAX_VEB; i++)
1077 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1078 break;
1079 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1080 uplink_seid != pf->mac_seid) {
1081 dev_info(&pf->pdev->dev,
1082 "add relay: relay uplink %d not found\n",
1083 uplink_seid);
1084 goto command_write_done;
1085 }
1086
1087 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1088 vsi->tc_config.enabled_tc);
1089 if (veb)
1090 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1091 else
1092 dev_info(&pf->pdev->dev, "add relay failed\n");
1093
1094 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1095 int i;
1096 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1097 if (cnt != 1) {
1098 dev_info(&pf->pdev->dev,
1099 "del relay: bad command string, cnt=%d\n",
1100 cnt);
1101 goto command_write_done;
1102 } else if (veb_seid < 0) {
1103 dev_info(&pf->pdev->dev,
1104 "del relay %d: bad relay seid\n", veb_seid);
1105 goto command_write_done;
1106 }
1107
1108 /* find the veb */
1109 for (i = 0; i < I40E_MAX_VEB; i++)
1110 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1111 break;
1112 if (i >= I40E_MAX_VEB) {
1113 dev_info(&pf->pdev->dev,
1114 "del relay: relay %d not found\n", veb_seid);
1115 goto command_write_done;
1116 }
1117
1118 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1119 i40e_veb_release(pf->veb[i]);
1120
1121 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
02e9c290 1122 struct i40e_mac_filter *f;
738a9e9b
SN		 1123 int vlan = 0;
1124 u8 ma[6];
02e9c290
JB		 1125 int ret;
1126
1127 cnt = sscanf(&cmd_buf[11],
1128 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1129 &vsi_seid,
1130 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1131 &vlan);
1132 if (cnt == 7) {
1133 vlan = 0;
1134 } else if (cnt != 8) {
1135 dev_info(&pf->pdev->dev,
1136 "add macaddr: bad command string, cnt=%d\n",
1137 cnt);
1138 goto command_write_done;
1139 }
1140
1141 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1142 if (!vsi) {
1143 dev_info(&pf->pdev->dev,
1144 "add macaddr: VSI %d not found\n", vsi_seid);
1145 goto command_write_done;
1146 }
1147
1148 f = i40e_add_filter(vsi, ma, vlan, false, false);
30e2561b 1149 ret = i40e_sync_vsi_filters(vsi, true);
02e9c290
JB		 1150 if (f && !ret)
1151 dev_info(&pf->pdev->dev,
1152 "add macaddr: %pM vlan=%d added to VSI %d\n",
1153 ma, vlan, vsi_seid);
1154 else
1155 dev_info(&pf->pdev->dev,
1156 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1157 ma, vlan, vsi_seid, f, ret);
1158
1159 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
02e9c290 1160 int vlan = 0;
738a9e9b 1161 u8 ma[6];
02e9c290
JB		 1162 int ret;
1163
1164 cnt = sscanf(&cmd_buf[11],
1165 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1166 &vsi_seid,
1167 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1168 &vlan);
1169 if (cnt == 7) {
1170 vlan = 0;
1171 } else if (cnt != 8) {
1172 dev_info(&pf->pdev->dev,
1173 "del macaddr: bad command string, cnt=%d\n",
1174 cnt);
1175 goto command_write_done;
1176 }
1177
1178 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1179 if (!vsi) {
1180 dev_info(&pf->pdev->dev,
1181 "del macaddr: VSI %d not found\n", vsi_seid);
1182 goto command_write_done;
1183 }
1184
1185 i40e_del_filter(vsi, ma, vlan, false, false);
30e2561b 1186 ret = i40e_sync_vsi_filters(vsi, true);
02e9c290
JB		 1187 if (!ret)
1188 dev_info(&pf->pdev->dev,
1189 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1190 ma, vlan, vsi_seid);
1191 else
1192 dev_info(&pf->pdev->dev,
1193 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1194 ma, vlan, vsi_seid, ret);
1195
1196 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
02e9c290 1197 i40e_status ret;
738a9e9b 1198 u16 vid;
efe1ac25 1199 unsigned int v;
02e9c290
JB		 1200
1201 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1202 if (cnt != 2) {
1203 dev_info(&pf->pdev->dev,
1204 "add pvid: bad command string, cnt=%d\n", cnt);
1205 goto command_write_done;
1206 }
1207
1208 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1209 if (!vsi) {
1210 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1211 vsi_seid);
1212 goto command_write_done;
1213 }
1214
efe1ac25 1215 vid = v;
02e9c290
JB		 1216 ret = i40e_vsi_add_pvid(vsi, vid);
1217 if (!ret)
1218 dev_info(&pf->pdev->dev,
1219 "add pvid: %d added to VSI %d\n",
1220 vid, vsi_seid);
1221 else
1222 dev_info(&pf->pdev->dev,
1223 "add pvid: %d to VSI %d failed, ret=%d\n",
1224 vid, vsi_seid, ret);
1225
1226 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1227
1228 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1229 if (cnt != 1) {
1230 dev_info(&pf->pdev->dev,
1231 "del pvid: bad command string, cnt=%d\n",
1232 cnt);
1233 goto command_write_done;
1234 }
1235
1236 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1237 if (!vsi) {
1238 dev_info(&pf->pdev->dev,
1239 "del pvid: VSI %d not found\n", vsi_seid);
1240 goto command_write_done;
1241 }
1242
1243 i40e_vsi_remove_pvid(vsi);
1244 dev_info(&pf->pdev->dev,
1245 "del pvid: removed from VSI %d\n", vsi_seid);
1246
1247 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1248 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1249 i40e_fetch_switch_configuration(pf, true);
1250 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1251 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1252 if (cnt > 0)
1253 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1254 else
1255 i40e_dbg_dump_vsi_no_seid(pf);
1256 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1257 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1258 if (cnt > 0)
1259 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1260 else
1261 i40e_dbg_dump_veb_all(pf);
1262 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1263 int ring_id, desc_n;
1264 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1265 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1266 &vsi_seid, &ring_id, &desc_n);
1267 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1268 desc_n, pf, true);
1269 } else if (strncmp(&cmd_buf[10], "tx", 2)
1270 == 0) {
1271 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1272 &vsi_seid, &ring_id, &desc_n);
1273 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1274 desc_n, pf, false);
1275 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1276 i40e_dbg_dump_aq_desc(pf);
1277 } else {
1278 dev_info(&pf->pdev->dev,
1279 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1280 dev_info(&pf->pdev->dev,
1281 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1282 dev_info(&pf->pdev->dev, "dump desc aq\n");
1283 }
02e9c290
JB		 1284 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1285 dev_info(&pf->pdev->dev,
1286 "core reset count: %d\n", pf->corer_count);
1287 dev_info(&pf->pdev->dev,
1288 "global reset count: %d\n", pf->globr_count);
1289 dev_info(&pf->pdev->dev,
1290 "emp reset count: %d\n", pf->empr_count);
1291 dev_info(&pf->pdev->dev,
1292 "pf reset count: %d\n", pf->pfr_count);
810b3ae4
ASJ		 1293 dev_info(&pf->pdev->dev,
1294 "pf tx sluggish count: %d\n",
1295 pf->tx_sluggish_count);
02e9c290
JB		 1296 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1297 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1298 struct i40e_dcbx_config *cfg =
1299 &pf->hw.local_dcbx_config;
1300 struct i40e_dcbx_config *r_cfg =
1301 &pf->hw.remote_dcbx_config;
1302 int i, ret;
1303
1304 bw_data = kzalloc(sizeof(
1305 struct i40e_aqc_query_port_ets_config_resp),
1306 GFP_KERNEL);
1307 if (!bw_data) {
1308 ret = -ENOMEM;
1309 goto command_write_done;
1310 }
1311
1312 ret = i40e_aq_query_port_ets_config(&pf->hw,
1313 pf->mac_seid,
1314 bw_data, NULL);
1315 if (ret) {
1316 dev_info(&pf->pdev->dev,
1317 "Query Port ETS Config AQ command failed =0x%x\n",
1318 pf->hw.aq.asq_last_status);
1319 kfree(bw_data);
1320 bw_data = NULL;
1321 goto command_write_done;
1322 }
1323 dev_info(&pf->pdev->dev,
1324 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1325 bw_data->tc_valid_bits,
1326 bw_data->tc_strict_priority_bits,
1327 le16_to_cpu(bw_data->tc_bw_max[0]),
1328 le16_to_cpu(bw_data->tc_bw_max[1]));
1329 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1330 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1331 bw_data->tc_bw_share_credits[i],
1332 le16_to_cpu(bw_data->tc_bw_limits[i]));
1333 }
1334
1335 kfree(bw_data);
1336 bw_data = NULL;
1337
9fa61dd2
NP		 1338 dev_info(&pf->pdev->dev,
1339 "port dcbx_mode=%d\n", cfg->dcbx_mode);
02e9c290
JB		 1340 dev_info(&pf->pdev->dev,
1341 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1342 cfg->etscfg.willing, cfg->etscfg.cbs,
1343 cfg->etscfg.maxtcs);
1344 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1345 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1346 i, cfg->etscfg.prioritytable[i],
1347 cfg->etscfg.tcbwtable[i],
1348 cfg->etscfg.tsatable[i]);
1349 }
1350 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1351 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1352 i, cfg->etsrec.prioritytable[i],
1353 cfg->etsrec.tcbwtable[i],
1354 cfg->etsrec.tsatable[i]);
1355 }
1356 dev_info(&pf->pdev->dev,
1357 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1358 cfg->pfc.willing, cfg->pfc.mbc,
1359 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1360 dev_info(&pf->pdev->dev,
1361 "port app_table: num_apps=%d\n", cfg->numapps);
1362 for (i = 0; i < cfg->numapps; i++) {
1363 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1364 i, cfg->app[i].priority,
1365 cfg->app[i].selector,
1366 cfg->app[i].protocolid);
1367 }
1368 /* Peer TLV DCBX data */
1369 dev_info(&pf->pdev->dev,
1370 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1371 r_cfg->etscfg.willing,
1372 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1373 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1374 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1375 i, r_cfg->etscfg.prioritytable[i],
1376 r_cfg->etscfg.tcbwtable[i],
1377 r_cfg->etscfg.tsatable[i]);
1378 }
1379 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1380 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1381 i, r_cfg->etsrec.prioritytable[i],
1382 r_cfg->etsrec.tcbwtable[i],
1383 r_cfg->etsrec.tsatable[i]);
1384 }
1385 dev_info(&pf->pdev->dev,
1386 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1387 r_cfg->pfc.willing,
1388 r_cfg->pfc.mbc,
1389 r_cfg->pfc.pfccap,
1390 r_cfg->pfc.pfcenable);
1391 dev_info(&pf->pdev->dev,
1392 "remote port app_table: num_apps=%d\n",
1393 r_cfg->numapps);
1394 for (i = 0; i < r_cfg->numapps; i++) {
1395 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1396 i, r_cfg->app[i].priority,
1397 r_cfg->app[i].selector,
1398 r_cfg->app[i].protocolid);
1399 }
3169c323
JB		 1400 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1401 int cluster_id, table_id;
1402 int index, ret;
1403 u16 buff_len = 4096;
1404 u32 next_index;
1405 u8 next_table;
1406 u8 *buff;
1407 u16 rlen;
1408
1409 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1410 &cluster_id, &table_id, &index);
1411 if (cnt != 3) {
1412 dev_info(&pf->pdev->dev,
1413 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1414 goto command_write_done;
1415 }
1416
1417 dev_info(&pf->pdev->dev,
1418 "AQ debug dump fwdata params %x %x %x %x\n",
1419 cluster_id, table_id, index, buff_len);
1420 buff = kzalloc(buff_len, GFP_KERNEL);
1421 if (!buff)
1422 goto command_write_done;
1423
1424 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1425 index, buff_len, buff, &rlen,
1426 &next_table, &next_index,
1427 NULL);
1428 if (ret) {
1429 dev_info(&pf->pdev->dev,
1430 "debug dump fwdata AQ Failed %d 0x%x\n",
1431 ret, pf->hw.aq.asq_last_status);
1432 kfree(buff);
1433 buff = NULL;
1434 goto command_write_done;
1435 }
1436 dev_info(&pf->pdev->dev,
1437 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1438 rlen, next_table, next_index);
1439 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1440 DUMP_PREFIX_OFFSET, 16, 1,
1441 buff, rlen, true);
1442 kfree(buff);
1443 buff = NULL;
02e9c290
JB		 1444 } else {
1445 dev_info(&pf->pdev->dev,
1446 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
7204a785
SN		 1447 dev_info(&pf->pdev->dev, "dump switch\n");
1448 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
02e9c290
JB		 1449 dev_info(&pf->pdev->dev, "dump reset stats\n");
1450 dev_info(&pf->pdev->dev, "dump port\n");
1451 dev_info(&pf->pdev->dev,
1452 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1453 }
1454
1455 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1456 u32 level;
1457 cnt = sscanf(&cmd_buf[10], "%i", &level);
1458 if (cnt) {
1459 if (I40E_DEBUG_USER & level) {
1460 pf->hw.debug_mask = level;
1461 dev_info(&pf->pdev->dev,
1462 "set hw.debug_mask = 0x%08x\n",
1463 pf->hw.debug_mask);
1464 }
1465 pf->msg_enable = level;
1466 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1467 pf->msg_enable);
1468 } else {
1469 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1470 pf->msg_enable);
1471 }
1472 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
69bfb110 1473 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
41a1d04b 1474 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
02e9c290
JB		 1475
1476 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
69bfb110 1477 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
41a1d04b 1478 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
02e9c290
JB		 1479
1480 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
69bfb110 1481 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
41a1d04b 1482 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
02e9c290 1483
7823fe34 1484 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
69bfb110 1485 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
41a1d04b 1486 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
7823fe34 1487
02e9c290
JB		 1488 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1489 u32 address;
1490 u32 value;
2706a20e 1491 cnt = sscanf(&cmd_buf[4], "%i", &address);
02e9c290
JB		 1492 if (cnt != 1) {
1493 dev_info(&pf->pdev->dev, "read <reg>\n");
1494 goto command_write_done;
1495 }
1496
1497 /* check the range on address */
2ac8b675
SN		 1498 if (address > (pf->ioremap_len - sizeof(u32))) {
1499 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1500 address, (pf->ioremap_len - sizeof(u32)));
02e9c290
JB		 1501 goto command_write_done;
1502 }
1503
1504 value = rd32(&pf->hw, address);
1505 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1506 address, value);
1507
1508 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1509 u32 address, value;
2706a20e 1510 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
02e9c290
JB		 1511 if (cnt != 2) {
1512 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1513 goto command_write_done;
1514 }
1515
1516 /* check the range on address */
2ac8b675
SN		 1517 if (address > (pf->ioremap_len - sizeof(u32))) {
1518 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1519 address, (pf->ioremap_len - sizeof(u32)));
02e9c290
JB		 1520 goto command_write_done;
1521 }
1522 wr32(&pf->hw, address, value);
1523 value = rd32(&pf->hw, address);
1524 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1525 address, value);
1526 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1527 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
2706a20e 1528 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
02e9c290
JB		 1529 if (cnt == 0) {
1530 int i;
505682cd 1531 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 1532 i40e_vsi_reset_stats(pf->vsi[i]);
1533 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1534 } else if (cnt == 1) {
1535 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1536 if (!vsi) {
1537 dev_info(&pf->pdev->dev,
1538 "clear_stats vsi: bad vsi %d\n",
1539 vsi_seid);
1540 goto command_write_done;
1541 }
1542 i40e_vsi_reset_stats(vsi);
1543 dev_info(&pf->pdev->dev,
1544 "vsi clear stats called for vsi %d\n",
1545 vsi_seid);
1546 } else {
1547 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1548 }
694dc1cb
SN		 1549 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1550 if (pf->hw.partition_id == 1) {
1551 i40e_pf_reset_stats(pf);
1552 dev_info(&pf->pdev->dev, "port stats cleared\n");
1553 } else {
1554 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1555 }
02e9c290 1556 } else {
694dc1cb 1557 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
02e9c290 1558 }
f1143c4b
ASJ		 1559 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1560 struct i40e_aq_desc *desc;
1561 i40e_status ret;
1562
1563 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1564 if (!desc)
1565 goto command_write_done;
1566 cnt = sscanf(&cmd_buf[11],
fbe82101 1567 "%hi %hi %hi %hi %i %i %i %i %i %i",
f1143c4b
ASJ		 1568 &desc->flags,
1569 &desc->opcode, &desc->datalen, &desc->retval,
1570 &desc->cookie_high, &desc->cookie_low,
1571 &desc->params.internal.param0,
1572 &desc->params.internal.param1,
1573 &desc->params.internal.param2,
1574 &desc->params.internal.param3);
1575 if (cnt != 10) {
1576 dev_info(&pf->pdev->dev,
1577 "send aq_cmd: bad command string, cnt=%d\n",
1578 cnt);
1579 kfree(desc);
1580 desc = NULL;
1581 goto command_write_done;
1582 }
1583 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1584 if (!ret) {
1585 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1586 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1587 dev_info(&pf->pdev->dev,
1588 "AQ command send failed Opcode %x AQ Error: %d\n",
1589 desc->opcode, pf->hw.aq.asq_last_status);
1590 } else {
1591 dev_info(&pf->pdev->dev,
1592 "AQ command send failed Opcode %x Status: %d\n",
1593 desc->opcode, ret);
1594 }
1595 dev_info(&pf->pdev->dev,
1596 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1597 desc->flags, desc->opcode, desc->datalen, desc->retval,
1598 desc->cookie_high, desc->cookie_low,
1599 desc->params.internal.param0,
1600 desc->params.internal.param1,
1601 desc->params.internal.param2,
1602 desc->params.internal.param3);
1603 kfree(desc);
1604 desc = NULL;
1605 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1606 struct i40e_aq_desc *desc;
1607 i40e_status ret;
1608 u16 buffer_len;
1609 u8 *buff;
1610
1611 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1612 if (!desc)
1613 goto command_write_done;
1614 cnt = sscanf(&cmd_buf[20],
fbe82101 1615 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
f1143c4b
ASJ		 1616 &desc->flags,
1617 &desc->opcode, &desc->datalen, &desc->retval,
1618 &desc->cookie_high, &desc->cookie_low,
1619 &desc->params.internal.param0,
1620 &desc->params.internal.param1,
1621 &desc->params.internal.param2,
1622 &desc->params.internal.param3,
1623 &buffer_len);
1624 if (cnt != 11) {
1625 dev_info(&pf->pdev->dev,
1626 "send indirect aq_cmd: bad command string, cnt=%d\n",
1627 cnt);
1628 kfree(desc);
1629 desc = NULL;
1630 goto command_write_done;
1631 }
1632 /* Just stub a buffer big enough in case user messed up */
1633 if (buffer_len == 0)
1634 buffer_len = 1280;
1635
1636 buff = kzalloc(buffer_len, GFP_KERNEL);
1637 if (!buff) {
1638 kfree(desc);
1639 desc = NULL;
1640 goto command_write_done;
1641 }
1642 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1643 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1644 buffer_len, NULL);
1645 if (!ret) {
1646 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1647 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1648 dev_info(&pf->pdev->dev,
1649 "AQ command send failed Opcode %x AQ Error: %d\n",
1650 desc->opcode, pf->hw.aq.asq_last_status);
1651 } else {
1652 dev_info(&pf->pdev->dev,
1653 "AQ command send failed Opcode %x Status: %d\n",
1654 desc->opcode, ret);
1655 }
1656 dev_info(&pf->pdev->dev,
1657 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1658 desc->flags, desc->opcode, desc->datalen, desc->retval,
1659 desc->cookie_high, desc->cookie_low,
1660 desc->params.internal.param0,
1661 desc->params.internal.param1,
1662 desc->params.internal.param2,
1663 desc->params.internal.param3);
1664 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1665 DUMP_PREFIX_OFFSET, 16, 1,
1666 buff, buffer_len, true);
1667 kfree(buff);
1668 buff = NULL;
1669 kfree(desc);
1670 desc = NULL;
02e9c290
JB		 1671 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1672 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
17a73f6b 1673 struct i40e_fdir_filter fd_data;
02e9c290
JB		 1674 u16 packet_len, i, j = 0;
1675 char *asc_packet;
17a73f6b 1676 u8 *raw_packet;
02e9c290 1677 bool add = false;
738a9e9b 1678 int ret;
02e9c290 1679
55a5e60b
ASJ		 1680 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1681 goto command_write_done;
1682
1683 if (strncmp(cmd_buf, "add", 3) == 0)
1684 add = true;
1685
1686 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1687 goto command_write_done;
1688
17a73f6b 1689 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
02e9c290
JB		 1690 GFP_KERNEL);
1691 if (!asc_packet)
1692 goto command_write_done;
1693
17a73f6b
JG		 1694 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1695 GFP_KERNEL);
02e9c290 1696
17a73f6b 1697 if (!raw_packet) {
02e9c290
JB		 1698 kfree(asc_packet);
1699 asc_packet = NULL;
1700 goto command_write_done;
1701 }
1702
02e9c290 1703 cnt = sscanf(&cmd_buf[13],
5561b6a1 1704 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
02e9c290
JB		 1705 &fd_data.q_index,
1706 &fd_data.flex_off, &fd_data.pctype,
1707 &fd_data.dest_vsi, &fd_data.dest_ctl,
1708 &fd_data.fd_status, &fd_data.cnt_index,
1709 &fd_data.fd_id, &packet_len, asc_packet);
1710 if (cnt != 10) {
1711 dev_info(&pf->pdev->dev,
1712 "program fd_filter: bad command string, cnt=%d\n",
1713 cnt);
1714 kfree(asc_packet);
1715 asc_packet = NULL;
17a73f6b 1716 kfree(raw_packet);
02e9c290
JB		 1717 goto command_write_done;
1718 }
1719
1720 /* fix packet length if user entered 0 */
1721 if (packet_len == 0)
17a73f6b 1722 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
02e9c290
JB		 1723
1724 /* make sure to check the max as well */
1725 packet_len = min_t(u16,
17a73f6b 1726 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
02e9c290 1727
02e9c290
JB		 1728 for (i = 0; i < packet_len; i++) {
1729 sscanf(&asc_packet[j], "%2hhx ",
17a73f6b 1730 &raw_packet[i]);
02e9c290 1731 j += 3;
02e9c290 1732 }
3753cb24
NP		 1733 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1734 print_hex_dump(KERN_INFO, "FD raw packet: ",
1735 DUMP_PREFIX_OFFSET, 16, 1,
17a73f6b
JG		 1736 raw_packet, packet_len, true);
1737 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
02e9c290
JB		 1738 if (!ret) {
1739 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1740 } else {
1741 dev_info(&pf->pdev->dev,
1742 "Filter command send failed %d\n", ret);
1743 }
17a73f6b
JG		 1744 kfree(raw_packet);
1745 raw_packet = NULL;
02e9c290
JB		 1746 kfree(asc_packet);
1747 asc_packet = NULL;
cbf61325
ASJ		 1748 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) {
1749 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false);
1750 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) {
1751 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true);
e17ff05c
ASJ		 1752 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1753 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1754 i40e_get_current_fd_count(pf));
02e9c290
JB		 1755 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1756 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1757 int ret;
1758 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1759 if (ret) {
1760 dev_info(&pf->pdev->dev,
1761 "Stop LLDP AQ command failed =0x%x\n",
1762 pf->hw.aq.asq_last_status);
1763 goto command_write_done;
1764 }
4e3b35b0
NP		 1765 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1766 pf->hw.mac.addr,
1767 I40E_ETH_P_LLDP, 0,
1768 pf->vsi[pf->lan_vsi]->seid,
1769 0, true, NULL, NULL);
1770 if (ret) {
1771 dev_info(&pf->pdev->dev,
1772 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1773 __func__, pf->hw.aq.asq_last_status);
1774 goto command_write_done;
1775 }
1776#ifdef CONFIG_I40E_DCB
1777 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1778 DCB_CAP_DCBX_VER_IEEE;
1779#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1780 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1781 int ret;
4e3b35b0
NP		 1782 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1783 pf->hw.mac.addr,
1784 I40E_ETH_P_LLDP, 0,
1785 pf->vsi[pf->lan_vsi]->seid,
1786 0, false, NULL, NULL);
1787 if (ret) {
1788 dev_info(&pf->pdev->dev,
1789 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1790 __func__, pf->hw.aq.asq_last_status);
1791 /* Continue and start FW LLDP anyways */
1792 }
1793
02e9c290
JB		 1794 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1795 if (ret) {
1796 dev_info(&pf->pdev->dev,
1797 "Start LLDP AQ command failed =0x%x\n",
1798 pf->hw.aq.asq_last_status);
1799 goto command_write_done;
1800 }
4e3b35b0
NP		 1801#ifdef CONFIG_I40E_DCB
1802 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1803 DCB_CAP_DCBX_VER_IEEE;
1804#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1805 } else if (strncmp(&cmd_buf[5],
1806 "get local", 9) == 0) {
738a9e9b 1807 u16 llen, rlen;
3753cb24 1808 int ret;
02e9c290 1809 u8 *buff;
02e9c290
JB		 1810 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1811 if (!buff)
1812 goto command_write_done;
1813
1814 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1815 I40E_AQ_LLDP_MIB_LOCAL,
1816 buff, I40E_LLDPDU_SIZE,
1817 &llen, &rlen, NULL);
1818 if (ret) {
1819 dev_info(&pf->pdev->dev,
1820 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1821 pf->hw.aq.asq_last_status);
1822 kfree(buff);
1823 buff = NULL;
1824 goto command_write_done;
1825 }
3753cb24
NP		 1826 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1827 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1828 DUMP_PREFIX_OFFSET, 16, 1,
1829 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1830 kfree(buff);
1831 buff = NULL;
1832 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
738a9e9b 1833 u16 llen, rlen;
3753cb24 1834 int ret;
02e9c290 1835 u8 *buff;
02e9c290
JB		 1836 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1837 if (!buff)
1838 goto command_write_done;
1839
1840 ret = i40e_aq_get_lldp_mib(&pf->hw,
1841 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
c27936e7 1842 I40E_AQ_LLDP_MIB_REMOTE,
02e9c290
JB		 1843 buff, I40E_LLDPDU_SIZE,
1844 &llen, &rlen, NULL);
1845 if (ret) {
1846 dev_info(&pf->pdev->dev,
1847 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1848 pf->hw.aq.asq_last_status);
1849 kfree(buff);
1850 buff = NULL;
1851 goto command_write_done;
1852 }
3753cb24
NP		 1853 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1854 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1855 DUMP_PREFIX_OFFSET, 16, 1,
1856 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1857 kfree(buff);
1858 buff = NULL;
1859 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1860 int ret;
1861 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1862 true, NULL);
1863 if (ret) {
1864 dev_info(&pf->pdev->dev,
1865 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1866 pf->hw.aq.asq_last_status);
1867 goto command_write_done;
1868 }
1869 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1870 int ret;
1871 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1872 false, NULL);
1873 if (ret) {
1874 dev_info(&pf->pdev->dev,
1875 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1876 pf->hw.aq.asq_last_status);
1877 goto command_write_done;
1878 }
1879 }
1880 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
3753cb24 1881 u16 buffer_len, bytes;
02e9c290
JB		 1882 u16 module;
1883 u32 offset;
1884 u16 *buff;
1885 int ret;
1886
1887 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1888 &module, &offset, &buffer_len);
1889 if (cnt == 0) {
1890 module = 0;
1891 offset = 0;
1892 buffer_len = 0;
1893 } else if (cnt == 1) {
1894 offset = 0;
1895 buffer_len = 0;
1896 } else if (cnt == 2) {
1897 buffer_len = 0;
1898 } else if (cnt > 3) {
1899 dev_info(&pf->pdev->dev,
1900 "nvm read: bad command string, cnt=%d\n", cnt);
1901 goto command_write_done;
1902 }
1903
520dfd8b
JB		 1904 /* set the max length */
1905 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
02e9c290
JB		 1906
1907 bytes = 2 * buffer_len;
520dfd8b
JB		 1908
1909 /* read at least 1k bytes, no more than 4kB */
1910 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
02e9c290
JB		 1911 buff = kzalloc(bytes, GFP_KERNEL);
1912 if (!buff)
1913 goto command_write_done;
1914
1915 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1916 if (ret) {
1917 dev_info(&pf->pdev->dev,
1918 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1919 ret, pf->hw.aq.asq_last_status);
1920 kfree(buff);
1921 goto command_write_done;
1922 }
1923
1924 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1925 bytes, (u8 *)buff, true, NULL);
1926 i40e_release_nvm(&pf->hw);
1927 if (ret) {
1928 dev_info(&pf->pdev->dev,
1929 "Read NVM AQ failed err=%d status=0x%x\n",
1930 ret, pf->hw.aq.asq_last_status);
1931 } else {
1932 dev_info(&pf->pdev->dev,
1933 "Read NVM module=0x%x offset=0x%x words=%d\n",
1934 module, offset, buffer_len);
a45e88c9 1935 if (bytes)
3753cb24
NP		 1936 print_hex_dump(KERN_INFO, "NVM Dump: ",
1937 DUMP_PREFIX_OFFSET, 16, 2,
a45e88c9 1938 buff, bytes, true);
02e9c290
JB		 1939 }
1940 kfree(buff);
1941 buff = NULL;
1942 } else {
1943 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1944 dev_info(&pf->pdev->dev, "available commands\n");
1945 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1946 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1947 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1948 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1949 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1950 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1951 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1952 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1953 dev_info(&pf->pdev->dev, " dump switch\n");
1954 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1955 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1956 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1957 dev_info(&pf->pdev->dev, " dump desc aq\n");
02e9c290 1958 dev_info(&pf->pdev->dev, " dump reset stats\n");
3169c323 1959 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
02e9c290
JB		 1960 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1961 dev_info(&pf->pdev->dev, " read <reg>\n");
1962 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1963 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
694dc1cb 1964 dev_info(&pf->pdev->dev, " clear_stats port\n");
02e9c290
JB		 1965 dev_info(&pf->pdev->dev, " pfr\n");
1966 dev_info(&pf->pdev->dev, " corer\n");
1967 dev_info(&pf->pdev->dev, " globr\n");
f1143c4b
ASJ		 1968 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1969 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		 1970 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");
1971 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		 1972 dev_info(&pf->pdev->dev, " fd-atr off\n");
1973 dev_info(&pf->pdev->dev, " fd-atr on\n");
e17ff05c 1974 dev_info(&pf->pdev->dev, " fd current cnt");
02e9c290
JB		 1975 dev_info(&pf->pdev->dev, " lldp start\n");
1976 dev_info(&pf->pdev->dev, " lldp stop\n");
1977 dev_info(&pf->pdev->dev, " lldp get local\n");
1978 dev_info(&pf->pdev->dev, " lldp get remote\n");
1979 dev_info(&pf->pdev->dev, " lldp event on\n");
1980 dev_info(&pf->pdev->dev, " lldp event off\n");
1981 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1982 }
1983
1984command_write_done:
1985 kfree(cmd_buf);
1986 cmd_buf = NULL;
02e9c290
JB		 1987 return count;
1988}
1989
1990static const struct file_operations i40e_dbg_command_fops = {
1991 .owner = THIS_MODULE,
1992 .open = simple_open,
1993 .read = i40e_dbg_command_read,
1994 .write = i40e_dbg_command_write,
1995};
1996
1997/**************************************************************
1998 * netdev_ops
1999 * The netdev_ops entry in debugfs is for giving the driver commands
2000 * to be executed from the netdev operations.
2001 **************************************************************/
d1da3ac0 2002static char i40e_dbg_netdev_ops_buf[256] = "";
02e9c290
JB		 2003
2004/**
2005 * i40e_dbg_netdev_ops - read for netdev_ops datum
2006 * @filp: the opened file
2007 * @buffer: where to write the data for the user to read
2008 * @count: the size of the user's buffer
2009 * @ppos: file position offset
2010 **/
2011static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
2012 size_t count, loff_t *ppos)
2013{
2014 struct i40e_pf *pf = filp->private_data;
2015 int bytes_not_copied;
2016 int buf_size = 256;
2017 char *buf;
2018 int len;
2019
2020 /* don't allow partal reads */
2021 if (*ppos != 0)
2022 return 0;
2023 if (count < buf_size)
2024 return -ENOSPC;
2025
2026 buf = kzalloc(buf_size, GFP_KERNEL);
2027 if (!buf)
2028 return -ENOSPC;
2029
2030 len = snprintf(buf, buf_size, "%s: %s\n",
2031 pf->vsi[pf->lan_vsi]->netdev->name,
2032 i40e_dbg_netdev_ops_buf);
2033
2034 bytes_not_copied = copy_to_user(buffer, buf, len);
2035 kfree(buf);
2036
2037 if (bytes_not_copied < 0)
2038 return bytes_not_copied;
2039
2040 *ppos = len;
2041 return len;
2042}
2043
2044/**
2045 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
2046 * @filp: the opened file
2047 * @buffer: where to find the user's data
2048 * @count: the length of the user's data
2049 * @ppos: file position offset
2050 **/
2051static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
2052 const char __user *buffer,
2053 size_t count, loff_t *ppos)
2054{
2055 struct i40e_pf *pf = filp->private_data;
2056 int bytes_not_copied;
2057 struct i40e_vsi *vsi;
004173cb 2058 char *buf_tmp;
02e9c290
JB		 2059 int vsi_seid;
2060 int i, cnt;
2061
2062 /* don't allow partial writes */
2063 if (*ppos != 0)
2064 return 0;
2065 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2066 return -ENOSPC;
2067
2068 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2069 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2070 buffer, count);
2071 if (bytes_not_copied < 0)
2072 return bytes_not_copied;
2073 else if (bytes_not_copied > 0)
2074 count -= bytes_not_copied;
2075 i40e_dbg_netdev_ops_buf[count] = '\0';
2076
004173cb
JB		 2077 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2078 if (buf_tmp) {
2079 *buf_tmp = '\0';
2080 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2081 }
2082
02e9c290
JB		 2083 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2084 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2085 if (cnt != 1) {
2086 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2087 goto netdev_ops_write_done;
2088 }
2089 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2090 if (!vsi) {
2091 dev_info(&pf->pdev->dev,
2092 "tx_timeout: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2093 } else if (!vsi->netdev) {
2094 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2095 vsi_seid);
2096 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2097 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2098 vsi_seid);
2099 } else if (rtnl_trylock()) {
02e9c290
JB		 2100 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2101 rtnl_unlock();
2102 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2103 } else {
2104 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2105 }
2106 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2107 int mtu;
2108 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2109 &vsi_seid, &mtu);
2110 if (cnt != 2) {
2111 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2112 goto netdev_ops_write_done;
2113 }
2114 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2115 if (!vsi) {
2116 dev_info(&pf->pdev->dev,
2117 "change_mtu: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2118 } else if (!vsi->netdev) {
2119 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2120 vsi_seid);
2121 } else if (rtnl_trylock()) {
02e9c290
JB		 2122 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2123 mtu);
2124 rtnl_unlock();
2125 dev_info(&pf->pdev->dev, "change_mtu called\n");
2126 } else {
2127 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2128 }
2129
2130 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2131 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2132 if (cnt != 1) {
2133 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2134 goto netdev_ops_write_done;
2135 }
2136 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2137 if (!vsi) {
2138 dev_info(&pf->pdev->dev,
2139 "set_rx_mode: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2140 } else if (!vsi->netdev) {
2141 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2142 vsi_seid);
2143 } else if (rtnl_trylock()) {
02e9c290
JB		 2144 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2145 rtnl_unlock();
2146 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2147 } else {
2148 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2149 }
2150
2151 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2152 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2153 if (cnt != 1) {
2154 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2155 goto netdev_ops_write_done;
2156 }
2157 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2158 if (!vsi) {
2159 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2160 vsi_seid);
ca04657b
SN		 2161 } else if (!vsi->netdev) {
2162 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2163 vsi_seid);
2164 } else {
2165 for (i = 0; i < vsi->num_q_vectors; i++)
2166 napi_schedule(&vsi->q_vectors[i]->napi);
2167 dev_info(&pf->pdev->dev, "napi called\n");
02e9c290 2168 }
02e9c290
JB		 2169 } else {
2170 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2171 i40e_dbg_netdev_ops_buf);
2172 dev_info(&pf->pdev->dev, "available commands\n");
2173 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2174 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2175 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2176 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2177 }
2178netdev_ops_write_done:
2179 return count;
2180}
2181
2182static const struct file_operations i40e_dbg_netdev_ops_fops = {
2183 .owner = THIS_MODULE,
2184 .open = simple_open,
2185 .read = i40e_dbg_netdev_ops_read,
2186 .write = i40e_dbg_netdev_ops_write,
2187};
2188
2189/**
b40c82e6
JK		 2190 * i40e_dbg_pf_init - setup the debugfs directory for the PF
2191 * @pf: the PF that is starting up
02e9c290
JB		 2192 **/
2193void i40e_dbg_pf_init(struct i40e_pf *pf)
2194{
6301002f 2195 struct dentry *pfile;
02e9c290 2196 const char *name = pci_name(pf->pdev);
6301002f 2197 const struct device *dev = &pf->pdev->dev;
02e9c290
JB		 2198
2199 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
6301002f
JB		 2200 if (!pf->i40e_dbg_pf)
2201 return;
2202
2203 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2204 &i40e_dbg_command_fops);
2205 if (!pfile)
2206 goto create_failed;
2207
2208 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2209 &i40e_dbg_dump_fops);
2210 if (!pfile)
2211 goto create_failed;
2212
2213 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2214 &i40e_dbg_netdev_ops_fops);
2215 if (!pfile)
2216 goto create_failed;
2217
2218 return;
2219
2220create_failed:
2221 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2222 debugfs_remove_recursive(pf->i40e_dbg_pf);
2223 return;
02e9c290
JB		 2224}
2225
2226/**
b40c82e6
JK		 2227 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
2228 * @pf: the PF that is stopping
02e9c290
JB		 2229 **/
2230void i40e_dbg_pf_exit(struct i40e_pf *pf)
2231{
2232 debugfs_remove_recursive(pf->i40e_dbg_pf);
2233 pf->i40e_dbg_pf = NULL;
2234
2235 kfree(i40e_dbg_dump_buf);
2236 i40e_dbg_dump_buf = NULL;
2237}
2238
2239/**
2240 * i40e_dbg_init - start up debugfs for the driver
2241 **/
2242void i40e_dbg_init(void)
2243{
2244 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2245 if (!i40e_dbg_root)
2246 pr_info("init of debugfs failed\n");
2247}
2248
2249/**
2250 * i40e_dbg_exit - clean out the driver's debugfs entries
2251 **/
2252void i40e_dbg_exit(void)
2253{
2254 debugfs_remove_recursive(i40e_dbg_root);
2255 i40e_dbg_root = NULL;
2256}
2257
2258#endif /* CONFIG_DEBUG_FS */
Linux kernel - Deliverables
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