]> git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/blame - drivers/net/ethernet/intel/i40e/i40e_debugfs.c
projects / mirror_ubuntu-hirsute-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
i40e/i40evf: use __GFP_NOWARN
[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
13cb3e9d 4 * Copyright(c) 2013 - 2016 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);
0286c67e
RV		 106 if (bytes_not_copied)
107 return -EFAULT;
02e9c290
JB		 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
45d04359
JK		 188 /* avoid use of memcpy here due to sparse warning
189 * about copy size.
190 */
191 *((struct i40e_pf *)p) = *pf;
192 p += sizeof(struct i40e_pf);
02e9c290
JB		 193
194 len = (sizeof(struct i40e_aq_desc)
195 * pf->hw.aq.num_asq_entries);
90bb776a 196 memcpy(p, pf->hw.aq.asq.desc_buf.va, len);
02e9c290
JB		 197 p += len;
198
199 len = (sizeof(struct i40e_aq_desc)
200 * pf->hw.aq.num_arq_entries);
90bb776a 201 memcpy(p, pf->hw.aq.arq.desc_buf.va, len);
02e9c290
JB		 202 p += len;
203
204 i40e_dbg_dump_data_len = buflen;
205 dev_info(&pf->pdev->dev,
206 "PF seid %ld dumped %d bytes\n",
207 seid, (int)i40e_dbg_dump_data_len);
208 }
209 } else if (seid >= I40E_BASE_VSI_SEID) {
210 struct i40e_vsi *vsi = NULL;
211 struct i40e_mac_filter *f;
212 int filter_count = 0;
213
214 mutex_lock(&pf->switch_mutex);
215 vsi = i40e_dbg_find_vsi(pf, seid);
216 if (!vsi) {
217 mutex_unlock(&pf->switch_mutex);
218 goto write_exit;
219 }
220
221 buflen = sizeof(struct i40e_vsi);
222 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
223 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
224 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
225 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
226 list_for_each_entry(f, &vsi->mac_filter_list, list)
227 filter_count++;
228 buflen += sizeof(struct i40e_mac_filter) * filter_count;
229
230 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
231 p = i40e_dbg_dump_buf;
232 seid_found = true;
233
234 len = sizeof(struct i40e_vsi);
235 memcpy(p, vsi, len);
236 p += len;
237
59072ba1
SN		 238 if (vsi->num_q_vectors) {
239 len = (sizeof(struct i40e_q_vector)
240 * vsi->num_q_vectors);
241 memcpy(p, vsi->q_vectors, len);
242 p += len;
243 }
02e9c290 244
59072ba1
SN		 245 if (vsi->num_queue_pairs) {
246 len = (sizeof(struct i40e_ring) *
247 vsi->num_queue_pairs);
248 memcpy(p, vsi->tx_rings, len);
249 p += len;
250 memcpy(p, vsi->rx_rings, len);
02e9c290
JB		 251 p += len;
252 }
59072ba1
SN		 253
254 if (vsi->tx_rings[0]) {
255 len = sizeof(struct i40e_tx_buffer);
256 for (i = 0; i < vsi->num_queue_pairs; i++) {
257 memcpy(p, vsi->tx_rings[i]->tx_bi, len);
258 p += len;
259 }
02e9c290 260 len = sizeof(struct i40e_rx_buffer);
59072ba1
SN		 261 for (i = 0; i < vsi->num_queue_pairs; i++) {
262 memcpy(p, vsi->rx_rings[i]->rx_bi, len);
263 p += len;
264 }
02e9c290
JB		 265 }
266
267 /* macvlan filter list */
268 len = sizeof(struct i40e_mac_filter);
269 list_for_each_entry(f, &vsi->mac_filter_list, list) {
270 memcpy(p, f, len);
271 p += len;
272 }
273
274 i40e_dbg_dump_data_len = buflen;
275 dev_info(&pf->pdev->dev,
276 "VSI seid %ld dumped %d bytes\n",
277 seid, (int)i40e_dbg_dump_data_len);
278 }
279 mutex_unlock(&pf->switch_mutex);
280 } else if (seid >= I40E_BASE_VEB_SEID) {
281 struct i40e_veb *veb = NULL;
282
283 mutex_lock(&pf->switch_mutex);
284 veb = i40e_dbg_find_veb(pf, seid);
285 if (!veb) {
286 mutex_unlock(&pf->switch_mutex);
287 goto write_exit;
288 }
289
290 buflen = sizeof(struct i40e_veb);
291 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
292 seid_found = true;
293 memcpy(i40e_dbg_dump_buf, veb, buflen);
294 i40e_dbg_dump_data_len = buflen;
295 dev_info(&pf->pdev->dev,
296 "VEB seid %ld dumped %d bytes\n",
297 seid, (int)i40e_dbg_dump_data_len);
298 }
299 mutex_unlock(&pf->switch_mutex);
300 }
301
302write_exit:
303 if (!seid_found)
304 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
305
306 return count;
307}
308
309static const struct file_operations i40e_dbg_dump_fops = {
310 .owner = THIS_MODULE,
311 .open = simple_open,
312 .read = i40e_dbg_dump_read,
313 .write = i40e_dbg_dump_write,
314};
315
316/**************************************************************
317 * command
318 * The command entry in debugfs is for giving the driver commands
319 * to be executed - these may be for changing the internal switch
320 * setup, adding or removing filters, or other things. Many of
321 * these will be useful for some forms of unit testing.
322 **************************************************************/
d1da3ac0 323static char i40e_dbg_command_buf[256] = "";
02e9c290
JB		 324
325/**
326 * i40e_dbg_command_read - read for command datum
327 * @filp: the opened file
328 * @buffer: where to write the data for the user to read
329 * @count: the size of the user's buffer
330 * @ppos: file position offset
331 **/
332static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
333 size_t count, loff_t *ppos)
334{
335 struct i40e_pf *pf = filp->private_data;
336 int bytes_not_copied;
337 int buf_size = 256;
338 char *buf;
339 int len;
340
341 /* don't allow partial reads */
342 if (*ppos != 0)
343 return 0;
344 if (count < buf_size)
345 return -ENOSPC;
346
347 buf = kzalloc(buf_size, GFP_KERNEL);
348 if (!buf)
349 return -ENOSPC;
350
351 len = snprintf(buf, buf_size, "%s: %s\n",
352 pf->vsi[pf->lan_vsi]->netdev->name,
353 i40e_dbg_command_buf);
354
355 bytes_not_copied = copy_to_user(buffer, buf, len);
356 kfree(buf);
357
0286c67e
RV		 358 if (bytes_not_copied)
359 return -EFAULT;
02e9c290
JB		 360
361 *ppos = len;
362 return len;
363}
364
365/**
e625f71b 366 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
02e9c290
JB		 367 * @pf: the i40e_pf created in command write
368 * @seid: the seid the user put in
369 **/
370static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
371{
372 struct rtnl_link_stats64 *nstat;
373 struct i40e_mac_filter *f;
374 struct i40e_vsi *vsi;
375 int i;
376
377 vsi = i40e_dbg_find_vsi(pf, seid);
378 if (!vsi) {
379 dev_info(&pf->pdev->dev,
380 "dump %d: seid not found\n", seid);
381 return;
382 }
383 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
de1017f7
SN		 384 if (vsi->netdev) {
385 struct net_device *nd = vsi->netdev;
386
387 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
388 nd->name, nd->state, nd->flags);
389 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
390 (unsigned long int)nd->features);
391 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
392 (unsigned long int)nd->hw_features);
393 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
394 (unsigned long int)nd->vlan_features);
395 }
02e9c290
JB		 396 if (vsi->active_vlans)
397 dev_info(&pf->pdev->dev,
398 " vlgrp: & = %p\n", vsi->active_vlans);
399 dev_info(&pf->pdev->dev,
de1017f7
SN		 400 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
401 vsi->state, vsi->flags,
402 vsi->netdev_registered, vsi->current_netdev_flags);
2ddb80c9 403 if (vsi == pf->vsi[pf->lan_vsi])
de1017f7 404 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
2ddb80c9
SN		 405 pf->hw.mac.addr,
406 pf->hw.mac.san_addr,
407 pf->hw.mac.port_addr);
02e9c290
JB		 408 list_for_each_entry(f, &vsi->mac_filter_list, list) {
409 dev_info(&pf->pdev->dev,
410 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
411 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
412 f->counter);
413 }
414 nstat = i40e_get_vsi_stats_struct(vsi);
415 dev_info(&pf->pdev->dev,
416 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
6995b36c
JB		 417 (unsigned long int)nstat->rx_packets,
418 (unsigned long int)nstat->rx_bytes,
419 (unsigned long int)nstat->rx_errors,
420 (unsigned long int)nstat->rx_dropped);
02e9c290
JB		 421 dev_info(&pf->pdev->dev,
422 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
6995b36c
JB		 423 (unsigned long int)nstat->tx_packets,
424 (unsigned long int)nstat->tx_bytes,
425 (unsigned long int)nstat->tx_errors,
426 (unsigned long int)nstat->tx_dropped);
02e9c290
JB		 427 dev_info(&pf->pdev->dev,
428 " net_stats: multicast = %lu, collisions = %lu\n",
6995b36c
JB		 429 (unsigned long int)nstat->multicast,
430 (unsigned long int)nstat->collisions);
02e9c290
JB		 431 dev_info(&pf->pdev->dev,
432 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
6995b36c
JB		 433 (unsigned long int)nstat->rx_length_errors,
434 (unsigned long int)nstat->rx_over_errors,
435 (unsigned long int)nstat->rx_crc_errors);
02e9c290
JB		 436 dev_info(&pf->pdev->dev,
437 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
6995b36c
JB		 438 (unsigned long int)nstat->rx_frame_errors,
439 (unsigned long int)nstat->rx_fifo_errors,
440 (unsigned long int)nstat->rx_missed_errors);
02e9c290
JB		 441 dev_info(&pf->pdev->dev,
442 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
6995b36c
JB		 443 (unsigned long int)nstat->tx_aborted_errors,
444 (unsigned long int)nstat->tx_carrier_errors,
445 (unsigned long int)nstat->tx_fifo_errors);
02e9c290
JB		 446 dev_info(&pf->pdev->dev,
447 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
6995b36c
JB		 448 (unsigned long int)nstat->tx_heartbeat_errors,
449 (unsigned long int)nstat->tx_window_errors);
02e9c290
JB		 450 dev_info(&pf->pdev->dev,
451 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
6995b36c
JB		 452 (unsigned long int)nstat->rx_compressed,
453 (unsigned long int)nstat->tx_compressed);
02e9c290
JB		 454 dev_info(&pf->pdev->dev,
455 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
6995b36c
JB		 456 (unsigned long int)vsi->net_stats_offsets.rx_packets,
457 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
458 (unsigned long int)vsi->net_stats_offsets.rx_errors,
459 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
02e9c290
JB		 460 dev_info(&pf->pdev->dev,
461 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
6995b36c
JB		 462 (unsigned long int)vsi->net_stats_offsets.tx_packets,
463 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
464 (unsigned long int)vsi->net_stats_offsets.tx_errors,
465 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
02e9c290
JB		 466 dev_info(&pf->pdev->dev,
467 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
6995b36c
JB		 468 (unsigned long int)vsi->net_stats_offsets.multicast,
469 (unsigned long int)vsi->net_stats_offsets.collisions);
02e9c290
JB		 470 dev_info(&pf->pdev->dev,
471 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
6995b36c
JB		 472 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
473 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
474 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
02e9c290
JB		 475 dev_info(&pf->pdev->dev,
476 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
6995b36c
JB		 477 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
478 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
479 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
02e9c290
JB		 480 dev_info(&pf->pdev->dev,
481 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
6995b36c
JB		 482 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
483 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
484 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
02e9c290
JB		 485 dev_info(&pf->pdev->dev,
486 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
6995b36c
JB		 487 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
488 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
02e9c290
JB		 489 dev_info(&pf->pdev->dev,
490 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
6995b36c
JB		 491 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
492 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
02e9c290
JB		 493 dev_info(&pf->pdev->dev,
494 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
495 vsi->tx_restart, vsi->tx_busy,
496 vsi->rx_buf_failed, vsi->rx_page_failed);
9f65e15b
AD		 497 rcu_read_lock();
498 for (i = 0; i < vsi->num_queue_pairs; i++) {
499 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
6995b36c 500
9f65e15b
AD		 501 if (!rx_ring)
502 continue;
503
504 dev_info(&pf->pdev->dev,
505 " rx_rings[%i]: desc = %p\n",
506 i, rx_ring->desc);
507 dev_info(&pf->pdev->dev,
508 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
509 i, rx_ring->dev,
510 rx_ring->netdev,
511 rx_ring->rx_bi);
512 dev_info(&pf->pdev->dev,
513 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
514 i, rx_ring->state,
515 rx_ring->queue_index,
516 rx_ring->reg_idx);
517 dev_info(&pf->pdev->dev,
518 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
519 i, rx_ring->rx_hdr_len,
520 rx_ring->rx_buf_len,
521 rx_ring->dtype);
522 dev_info(&pf->pdev->dev,
523 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
524 i, rx_ring->hsplit,
525 rx_ring->next_to_use,
526 rx_ring->next_to_clean,
527 rx_ring->ring_active);
528 dev_info(&pf->pdev->dev,
529 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
530 i, rx_ring->stats.packets,
531 rx_ring->stats.bytes,
532 rx_ring->rx_stats.non_eop_descs);
533 dev_info(&pf->pdev->dev,
420136cc 534 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
9f65e15b 535 i,
420136cc
MW		 536 rx_ring->rx_stats.alloc_page_failed,
537 rx_ring->rx_stats.alloc_buff_failed);
9f65e15b
AD		 538 dev_info(&pf->pdev->dev,
539 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
540 i, rx_ring->size,
6995b36c 541 (unsigned long int)rx_ring->dma);
9f65e15b
AD		 542 dev_info(&pf->pdev->dev,
543 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
544 i, rx_ring->vsi,
545 rx_ring->q_vector);
02e9c290 546 }
9f65e15b
AD		 547 for (i = 0; i < vsi->num_queue_pairs; i++) {
548 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
6995b36c 549
9f65e15b
AD		 550 if (!tx_ring)
551 continue;
1b60f3c4 552
9f65e15b
AD		 553 dev_info(&pf->pdev->dev,
554 " tx_rings[%i]: desc = %p\n",
555 i, tx_ring->desc);
556 dev_info(&pf->pdev->dev,
557 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
558 i, tx_ring->dev,
559 tx_ring->netdev,
560 tx_ring->tx_bi);
561 dev_info(&pf->pdev->dev,
562 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
563 i, tx_ring->state,
564 tx_ring->queue_index,
565 tx_ring->reg_idx);
566 dev_info(&pf->pdev->dev,
567 " tx_rings[%i]: dtype = %d\n",
568 i, tx_ring->dtype);
569 dev_info(&pf->pdev->dev,
570 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
571 i, tx_ring->hsplit,
572 tx_ring->next_to_use,
573 tx_ring->next_to_clean,
574 tx_ring->ring_active);
575 dev_info(&pf->pdev->dev,
576 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
577 i, tx_ring->stats.packets,
578 tx_ring->stats.bytes,
579 tx_ring->tx_stats.restart_queue);
580 dev_info(&pf->pdev->dev,
581 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
582 i,
583 tx_ring->tx_stats.tx_busy,
584 tx_ring->tx_stats.tx_done_old);
585 dev_info(&pf->pdev->dev,
586 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
587 i, tx_ring->size,
6995b36c 588 (unsigned long int)tx_ring->dma);
9f65e15b
AD		 589 dev_info(&pf->pdev->dev,
590 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
591 i, tx_ring->vsi,
592 tx_ring->q_vector);
593 dev_info(&pf->pdev->dev,
594 " tx_rings[%i]: DCB tc = %d\n",
595 i, tx_ring->dcb_tc);
02e9c290 596 }
9f65e15b 597 rcu_read_unlock();
02e9c290
JB		 598 dev_info(&pf->pdev->dev,
599 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
600 vsi->work_limit, vsi->rx_itr_setting,
601 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
602 vsi->tx_itr_setting,
603 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
604 dev_info(&pf->pdev->dev,
605 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
606 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
02e9c290
JB		 607 dev_info(&pf->pdev->dev,
608 " num_q_vectors = %i, base_vector = %i\n",
609 vsi->num_q_vectors, vsi->base_vector);
610 dev_info(&pf->pdev->dev,
611 " seid = %d, id = %d, uplink_seid = %d\n",
612 vsi->seid, vsi->id, vsi->uplink_seid);
613 dev_info(&pf->pdev->dev,
614 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
615 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
616 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
617 dev_info(&pf->pdev->dev,
618 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
619 vsi->info.valid_sections, vsi->info.switch_id);
620 dev_info(&pf->pdev->dev,
621 " info: sw_reserved[] = 0x%02x 0x%02x\n",
622 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
623 dev_info(&pf->pdev->dev,
624 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
625 vsi->info.sec_flags, vsi->info.sec_reserved);
626 dev_info(&pf->pdev->dev,
627 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
628 vsi->info.pvid, vsi->info.fcoe_pvid,
629 vsi->info.port_vlan_flags);
630 dev_info(&pf->pdev->dev,
631 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
632 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
633 vsi->info.pvlan_reserved[2]);
634 dev_info(&pf->pdev->dev,
635 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
636 vsi->info.ingress_table, vsi->info.egress_table);
637 dev_info(&pf->pdev->dev,
638 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
639 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
640 vsi->info.cas_pv_reserved);
641 dev_info(&pf->pdev->dev,
642 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
643 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
644 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
645 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
646 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
647 dev_info(&pf->pdev->dev,
648 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
649 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
650 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
651 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
652 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
653 dev_info(&pf->pdev->dev,
654 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
655 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
656 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
657 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
658 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
659 dev_info(&pf->pdev->dev,
660 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
661 vsi->info.queueing_opt_flags,
662 vsi->info.queueing_opt_reserved[0],
663 vsi->info.queueing_opt_reserved[1],
664 vsi->info.queueing_opt_reserved[2]);
665 dev_info(&pf->pdev->dev,
666 " info: up_enable_bits = 0x%02x\n",
667 vsi->info.up_enable_bits);
668 dev_info(&pf->pdev->dev,
669 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
670 vsi->info.sched_reserved, vsi->info.outer_up_table);
671 dev_info(&pf->pdev->dev,
672 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
673 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
674 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
675 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
676 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
677 dev_info(&pf->pdev->dev,
678 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
679 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
680 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
681 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
682 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
683 dev_info(&pf->pdev->dev,
684 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
685 vsi->info.stat_counter_idx, vsi->info.sched_id);
686 dev_info(&pf->pdev->dev,
687 " 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",
688 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
689 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
690 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
691 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
692 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
693 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
694 if (vsi->back)
b40c82e6 695 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
02e9c290
JB		 696 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
697 dev_info(&pf->pdev->dev,
698 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
699 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
700 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
701 dev_info(&pf->pdev->dev,
702 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
703 i, vsi->tc_config.tc_info[i].qoffset,
704 vsi->tc_config.tc_info[i].qcount,
705 vsi->tc_config.tc_info[i].netdev_tc);
706 }
707 dev_info(&pf->pdev->dev,
708 " bw: bw_limit = %d, bw_max_quanta = %d\n",
709 vsi->bw_limit, vsi->bw_max_quanta);
710 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
711 dev_info(&pf->pdev->dev,
712 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
713 i, vsi->bw_ets_share_credits[i],
714 vsi->bw_ets_limit_credits[i],
715 vsi->bw_ets_max_quanta[i]);
716 }
38e00438
VD		 717#ifdef I40E_FCOE
718 if (vsi->type == I40E_VSI_FCOE) {
719 dev_info(&pf->pdev->dev,
720 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
721 vsi->fcoe_stats.rx_fcoe_packets,
722 vsi->fcoe_stats.rx_fcoe_dwords,
723 vsi->fcoe_stats.rx_fcoe_dropped);
724 dev_info(&pf->pdev->dev,
725 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
726 vsi->fcoe_stats.tx_fcoe_packets,
727 vsi->fcoe_stats.tx_fcoe_dwords);
728 dev_info(&pf->pdev->dev,
729 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
730 vsi->fcoe_stats.fcoe_bad_fccrc,
731 vsi->fcoe_stats.fcoe_last_error);
732 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
733 vsi->fcoe_stats.fcoe_ddp_count);
734 }
735#endif
02e9c290
JB		 736}
737
738/**
739 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
740 * @pf: the i40e_pf created in command write
741 **/
742static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
743{
744 struct i40e_adminq_ring *ring;
745 struct i40e_hw *hw = &pf->hw;
e625f71b 746 char hdr[32];
02e9c290
JB		 747 int i;
748
e625f71b
SN		 749 snprintf(hdr, sizeof(hdr), "%s %s: ",
750 dev_driver_string(&pf->pdev->dev),
751 dev_name(&pf->pdev->dev));
752
02e9c290
JB		 753 /* first the send (command) ring, then the receive (event) ring */
754 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
755 ring = &(hw->aq.asq);
756 for (i = 0; i < ring->count; i++) {
757 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
6995b36c 758
02e9c290
JB		 759 dev_info(&pf->pdev->dev,
760 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
761 i, d->flags, d->opcode, d->datalen, d->retval,
762 d->cookie_high, d->cookie_low);
e625f71b
SN		 763 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
764 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 765 }
766
767 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
768 ring = &(hw->aq.arq);
769 for (i = 0; i < ring->count; i++) {
770 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
6995b36c 771
02e9c290
JB		 772 dev_info(&pf->pdev->dev,
773 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
774 i, d->flags, d->opcode, d->datalen, d->retval,
775 d->cookie_high, d->cookie_low);
e625f71b
SN		 776 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
777 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 778 }
779}
780
781/**
782 * i40e_dbg_dump_desc - handles dump desc write into command datum
783 * @cnt: number of arguments that the user supplied
784 * @vsi_seid: vsi id entered by user
785 * @ring_id: ring id entered by user
786 * @desc_n: descriptor number entered by user
787 * @pf: the i40e_pf created in command write
788 * @is_rx_ring: true if rx, false if tx
789 **/
790static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
791 struct i40e_pf *pf, bool is_rx_ring)
792{
68bf94aa
SN		 793 struct i40e_tx_desc *txd;
794 union i40e_rx_desc *rxd;
e6c97234 795 struct i40e_ring *ring;
02e9c290
JB		 796 struct i40e_vsi *vsi;
797 int i;
798
799 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
800 if (!vsi) {
7792fe4f 801 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
02e9c290
JB		 802 return;
803 }
804 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
805 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
02e9c290
JB		 806 return;
807 }
68bf94aa 808 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
29d0790e
SN		 809 dev_info(&pf->pdev->dev,
810 "descriptor rings have not been allocated for vsi %d\n",
811 vsi_seid);
812 return;
813 }
e6c97234
JP		 814
815 ring = kmemdup(is_rx_ring
816 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
817 sizeof(*ring), GFP_KERNEL);
818 if (!ring)
819 return;
820
02e9c290
JB		 821 if (cnt == 2) {
822 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
823 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
e6c97234 824 for (i = 0; i < ring->count; i++) {
68bf94aa 825 if (!is_rx_ring) {
e6c97234 826 txd = I40E_TX_DESC(ring, i);
02e9c290 827 dev_info(&pf->pdev->dev,
13cb3e9d 828 " d[%03x] = 0x%016llx 0x%016llx\n",
68bf94aa
SN		 829 i, txd->buffer_addr,
830 txd->cmd_type_offset_bsz);
831 } else if (sizeof(union i40e_rx_desc) ==
832 sizeof(union i40e_16byte_rx_desc)) {
e6c97234 833 rxd = I40E_RX_DESC(ring, i);
68bf94aa 834 dev_info(&pf->pdev->dev,
13cb3e9d 835 " d[%03x] = 0x%016llx 0x%016llx\n",
68bf94aa
SN		 836 i, rxd->read.pkt_addr,
837 rxd->read.hdr_addr);
838 } else {
e6c97234 839 rxd = I40E_RX_DESC(ring, i);
02e9c290 840 dev_info(&pf->pdev->dev,
13cb3e9d 841 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 842 i, rxd->read.pkt_addr,
843 rxd->read.hdr_addr,
844 rxd->read.rsvd1, rxd->read.rsvd2);
845 }
02e9c290
JB		 846 }
847 } else if (cnt == 3) {
e6c97234 848 if (desc_n >= ring->count || desc_n < 0) {
02e9c290
JB		 849 dev_info(&pf->pdev->dev,
850 "descriptor %d not found\n", desc_n);
e3fe44c7 851 goto out;
02e9c290 852 }
68bf94aa 853 if (!is_rx_ring) {
e6c97234 854 txd = I40E_TX_DESC(ring, desc_n);
02e9c290 855 dev_info(&pf->pdev->dev,
13cb3e9d 856 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
68bf94aa
SN		 857 vsi_seid, ring_id, desc_n,
858 txd->buffer_addr, txd->cmd_type_offset_bsz);
859 } else if (sizeof(union i40e_rx_desc) ==
860 sizeof(union i40e_16byte_rx_desc)) {
e6c97234 861 rxd = I40E_RX_DESC(ring, desc_n);
68bf94aa 862 dev_info(&pf->pdev->dev,
13cb3e9d 863 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
68bf94aa
SN		 864 vsi_seid, ring_id, desc_n,
865 rxd->read.pkt_addr, rxd->read.hdr_addr);
866 } else {
e6c97234 867 rxd = I40E_RX_DESC(ring, desc_n);
02e9c290 868 dev_info(&pf->pdev->dev,
13cb3e9d 869 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 870 vsi_seid, ring_id, desc_n,
871 rxd->read.pkt_addr, rxd->read.hdr_addr,
872 rxd->read.rsvd1, rxd->read.rsvd2);
873 }
02e9c290 874 } else {
7792fe4f 875 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
02e9c290 876 }
e3fe44c7
JP		 877
878out:
e6c97234 879 kfree(ring);
02e9c290
JB		 880}
881
882/**
883 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
884 * @pf: the i40e_pf created in command write
885 **/
886static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
887{
888 int i;
889
505682cd 890 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 891 if (pf->vsi[i])
892 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
893 i, pf->vsi[i]->seid);
894}
895
896/**
897 * i40e_dbg_dump_stats - handles dump stats write into command datum
898 * @pf: the i40e_pf created in command write
899 * @estats: the eth stats structure to be dumped
900 **/
901static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
902 struct i40e_eth_stats *estats)
903{
904 dev_info(&pf->pdev->dev, " ethstats:\n");
905 dev_info(&pf->pdev->dev,
906 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
907 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
908 dev_info(&pf->pdev->dev,
03da6f6a
SN		 909 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
910 estats->rx_broadcast, estats->rx_discards);
02e9c290 911 dev_info(&pf->pdev->dev,
03da6f6a
SN		 912 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
913 estats->rx_unknown_protocol, estats->tx_bytes);
02e9c290
JB		 914 dev_info(&pf->pdev->dev,
915 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
916 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
917 dev_info(&pf->pdev->dev,
918 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
919 estats->tx_discards, estats->tx_errors);
920}
921
02e9c290
JB		 922/**
923 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
924 * @pf: the i40e_pf created in command write
925 * @seid: the seid the user put in
926 **/
927static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
928{
929 struct i40e_veb *veb;
930
931 if ((seid < I40E_BASE_VEB_SEID) ||
932 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
933 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
934 return;
935 }
936
937 veb = i40e_dbg_find_veb(pf, seid);
938 if (!veb) {
e625f71b 939 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
02e9c290
JB		 940 return;
941 }
942 dev_info(&pf->pdev->dev,
51616018 943 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
02e9c290 944 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
51616018
NP		 945 veb->uplink_seid,
946 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
02e9c290
JB		 947 i40e_dbg_dump_eth_stats(pf, &veb->stats);
948}
949
950/**
951 * i40e_dbg_dump_veb_all - dumps all known veb's stats
952 * @pf: the i40e_pf created in command write
953 **/
954static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
955{
956 struct i40e_veb *veb;
957 int i;
958
959 for (i = 0; i < I40E_MAX_VEB; i++) {
960 veb = pf->veb[i];
961 if (veb)
962 i40e_dbg_dump_veb_seid(pf, veb->seid);
963 }
964}
965
966#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
967/**
968 * i40e_dbg_command_write - write into command datum
969 * @filp: the opened file
970 * @buffer: where to find the user's data
971 * @count: the length of the user's data
972 * @ppos: file position offset
973 **/
974static ssize_t i40e_dbg_command_write(struct file *filp,
975 const char __user *buffer,
976 size_t count, loff_t *ppos)
977{
978 struct i40e_pf *pf = filp->private_data;
004173cb 979 char *cmd_buf, *cmd_buf_tmp;
02e9c290
JB		 980 int bytes_not_copied;
981 struct i40e_vsi *vsi;
02e9c290
JB		 982 int vsi_seid;
983 int veb_seid;
984 int cnt;
985
986 /* don't allow partial writes */
987 if (*ppos != 0)
988 return 0;
989
990 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
991 if (!cmd_buf)
992 return count;
993 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
0286c67e 994 if (bytes_not_copied) {
dda094a3 995 kfree(cmd_buf);
0286c67e 996 return -EFAULT;
dda094a3 997 }
02e9c290
JB		 998 cmd_buf[count] = '\0';
999
004173cb
JB		 1000 cmd_buf_tmp = strchr(cmd_buf, '\n');
1001 if (cmd_buf_tmp) {
1002 *cmd_buf_tmp = '\0';
1003 count = cmd_buf_tmp - cmd_buf + 1;
1004 }
1005
02e9c290
JB		 1006 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1007 vsi_seid = -1;
1008 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1009 if (cnt == 0) {
1010 /* default to PF VSI */
1011 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1012 } else if (vsi_seid < 0) {
1013 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1014 vsi_seid);
1015 goto command_write_done;
1016 }
1017
fc60861e
ASJ		 1018 /* By default we are in VEPA mode, if this is the first VF/VMDq
1019 * VSI to be added switch to VEB mode.
1020 */
1021 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1022 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1023 i40e_do_reset_safe(pf,
1024 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1025 }
1026
02e9c290
JB		 1027 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1028 if (vsi)
1029 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1030 vsi->seid, vsi->uplink_seid);
1031 else
1032 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1033
1034 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
6995b36c
JB		 1035 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1036 if (cnt != 1) {
1037 dev_info(&pf->pdev->dev,
1038 "del vsi: bad command string, cnt=%d\n",
1039 cnt);
1040 goto command_write_done;
1041 }
02e9c290
JB		 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
10dc0358 1148 spin_lock_bh(&vsi->mac_filter_list_lock);
02e9c290 1149 f = i40e_add_filter(vsi, ma, vlan, false, false);
10dc0358 1150 spin_unlock_bh(&vsi->mac_filter_list_lock);
17652c63 1151 ret = i40e_sync_vsi_filters(vsi);
02e9c290
JB		 1152 if (f && !ret)
1153 dev_info(&pf->pdev->dev,
1154 "add macaddr: %pM vlan=%d added to VSI %d\n",
1155 ma, vlan, vsi_seid);
1156 else
1157 dev_info(&pf->pdev->dev,
1158 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1159 ma, vlan, vsi_seid, f, ret);
1160
1161 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
02e9c290 1162 int vlan = 0;
738a9e9b 1163 u8 ma[6];
02e9c290
JB		 1164 int ret;
1165
1166 cnt = sscanf(&cmd_buf[11],
1167 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1168 &vsi_seid,
1169 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1170 &vlan);
1171 if (cnt == 7) {
1172 vlan = 0;
1173 } else if (cnt != 8) {
1174 dev_info(&pf->pdev->dev,
1175 "del macaddr: bad command string, cnt=%d\n",
1176 cnt);
1177 goto command_write_done;
1178 }
1179
1180 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1181 if (!vsi) {
1182 dev_info(&pf->pdev->dev,
1183 "del macaddr: VSI %d not found\n", vsi_seid);
1184 goto command_write_done;
1185 }
1186
10dc0358 1187 spin_lock_bh(&vsi->mac_filter_list_lock);
02e9c290 1188 i40e_del_filter(vsi, ma, vlan, false, false);
10dc0358 1189 spin_unlock_bh(&vsi->mac_filter_list_lock);
17652c63 1190 ret = i40e_sync_vsi_filters(vsi);
02e9c290
JB		 1191 if (!ret)
1192 dev_info(&pf->pdev->dev,
1193 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1194 ma, vlan, vsi_seid);
1195 else
1196 dev_info(&pf->pdev->dev,
1197 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1198 ma, vlan, vsi_seid, ret);
1199
1200 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
02e9c290 1201 i40e_status ret;
738a9e9b 1202 u16 vid;
efe1ac25 1203 unsigned int v;
02e9c290
JB		 1204
1205 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1206 if (cnt != 2) {
1207 dev_info(&pf->pdev->dev,
1208 "add pvid: bad command string, cnt=%d\n", cnt);
1209 goto command_write_done;
1210 }
1211
1212 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1213 if (!vsi) {
1214 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1215 vsi_seid);
1216 goto command_write_done;
1217 }
1218
efe1ac25 1219 vid = v;
02e9c290
JB		 1220 ret = i40e_vsi_add_pvid(vsi, vid);
1221 if (!ret)
1222 dev_info(&pf->pdev->dev,
1223 "add pvid: %d added to VSI %d\n",
1224 vid, vsi_seid);
1225 else
1226 dev_info(&pf->pdev->dev,
1227 "add pvid: %d to VSI %d failed, ret=%d\n",
1228 vid, vsi_seid, ret);
1229
1230 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1231
1232 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1233 if (cnt != 1) {
1234 dev_info(&pf->pdev->dev,
1235 "del pvid: bad command string, cnt=%d\n",
1236 cnt);
1237 goto command_write_done;
1238 }
1239
1240 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1241 if (!vsi) {
1242 dev_info(&pf->pdev->dev,
1243 "del pvid: VSI %d not found\n", vsi_seid);
1244 goto command_write_done;
1245 }
1246
1247 i40e_vsi_remove_pvid(vsi);
1248 dev_info(&pf->pdev->dev,
1249 "del pvid: removed from VSI %d\n", vsi_seid);
1250
1251 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1252 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1253 i40e_fetch_switch_configuration(pf, true);
1254 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1255 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1256 if (cnt > 0)
1257 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1258 else
1259 i40e_dbg_dump_vsi_no_seid(pf);
1260 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1261 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1262 if (cnt > 0)
1263 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1264 else
1265 i40e_dbg_dump_veb_all(pf);
1266 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1267 int ring_id, desc_n;
1268 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1269 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1270 &vsi_seid, &ring_id, &desc_n);
1271 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1272 desc_n, pf, true);
1273 } else if (strncmp(&cmd_buf[10], "tx", 2)
1274 == 0) {
1275 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1276 &vsi_seid, &ring_id, &desc_n);
1277 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1278 desc_n, pf, false);
1279 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1280 i40e_dbg_dump_aq_desc(pf);
1281 } else {
1282 dev_info(&pf->pdev->dev,
1283 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1284 dev_info(&pf->pdev->dev,
1285 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1286 dev_info(&pf->pdev->dev, "dump desc aq\n");
1287 }
02e9c290
JB		 1288 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1289 dev_info(&pf->pdev->dev,
1290 "core reset count: %d\n", pf->corer_count);
1291 dev_info(&pf->pdev->dev,
1292 "global reset count: %d\n", pf->globr_count);
1293 dev_info(&pf->pdev->dev,
1294 "emp reset count: %d\n", pf->empr_count);
1295 dev_info(&pf->pdev->dev,
1296 "pf reset count: %d\n", pf->pfr_count);
810b3ae4
ASJ		 1297 dev_info(&pf->pdev->dev,
1298 "pf tx sluggish count: %d\n",
1299 pf->tx_sluggish_count);
02e9c290
JB		 1300 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1301 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1302 struct i40e_dcbx_config *cfg =
1303 &pf->hw.local_dcbx_config;
1304 struct i40e_dcbx_config *r_cfg =
1305 &pf->hw.remote_dcbx_config;
1306 int i, ret;
1307
1308 bw_data = kzalloc(sizeof(
1309 struct i40e_aqc_query_port_ets_config_resp),
1310 GFP_KERNEL);
1311 if (!bw_data) {
1312 ret = -ENOMEM;
1313 goto command_write_done;
1314 }
1315
1316 ret = i40e_aq_query_port_ets_config(&pf->hw,
1317 pf->mac_seid,
1318 bw_data, NULL);
1319 if (ret) {
1320 dev_info(&pf->pdev->dev,
1321 "Query Port ETS Config AQ command failed =0x%x\n",
1322 pf->hw.aq.asq_last_status);
1323 kfree(bw_data);
1324 bw_data = NULL;
1325 goto command_write_done;
1326 }
1327 dev_info(&pf->pdev->dev,
1328 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1329 bw_data->tc_valid_bits,
1330 bw_data->tc_strict_priority_bits,
1331 le16_to_cpu(bw_data->tc_bw_max[0]),
1332 le16_to_cpu(bw_data->tc_bw_max[1]));
1333 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1334 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1335 bw_data->tc_bw_share_credits[i],
1336 le16_to_cpu(bw_data->tc_bw_limits[i]));
1337 }
1338
1339 kfree(bw_data);
1340 bw_data = NULL;
1341
9fa61dd2
NP		 1342 dev_info(&pf->pdev->dev,
1343 "port dcbx_mode=%d\n", cfg->dcbx_mode);
02e9c290
JB		 1344 dev_info(&pf->pdev->dev,
1345 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1346 cfg->etscfg.willing, cfg->etscfg.cbs,
1347 cfg->etscfg.maxtcs);
1348 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1349 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1350 i, cfg->etscfg.prioritytable[i],
1351 cfg->etscfg.tcbwtable[i],
1352 cfg->etscfg.tsatable[i]);
1353 }
1354 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1355 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1356 i, cfg->etsrec.prioritytable[i],
1357 cfg->etsrec.tcbwtable[i],
1358 cfg->etsrec.tsatable[i]);
1359 }
1360 dev_info(&pf->pdev->dev,
1361 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1362 cfg->pfc.willing, cfg->pfc.mbc,
1363 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1364 dev_info(&pf->pdev->dev,
1365 "port app_table: num_apps=%d\n", cfg->numapps);
1366 for (i = 0; i < cfg->numapps; i++) {
1367 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1368 i, cfg->app[i].priority,
1369 cfg->app[i].selector,
1370 cfg->app[i].protocolid);
1371 }
1372 /* Peer TLV DCBX data */
1373 dev_info(&pf->pdev->dev,
1374 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1375 r_cfg->etscfg.willing,
1376 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1377 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1378 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1379 i, r_cfg->etscfg.prioritytable[i],
1380 r_cfg->etscfg.tcbwtable[i],
1381 r_cfg->etscfg.tsatable[i]);
1382 }
1383 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1384 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1385 i, r_cfg->etsrec.prioritytable[i],
1386 r_cfg->etsrec.tcbwtable[i],
1387 r_cfg->etsrec.tsatable[i]);
1388 }
1389 dev_info(&pf->pdev->dev,
1390 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1391 r_cfg->pfc.willing,
1392 r_cfg->pfc.mbc,
1393 r_cfg->pfc.pfccap,
1394 r_cfg->pfc.pfcenable);
1395 dev_info(&pf->pdev->dev,
1396 "remote port app_table: num_apps=%d\n",
1397 r_cfg->numapps);
1398 for (i = 0; i < r_cfg->numapps; i++) {
1399 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1400 i, r_cfg->app[i].priority,
1401 r_cfg->app[i].selector,
1402 r_cfg->app[i].protocolid);
1403 }
3169c323
JB		 1404 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1405 int cluster_id, table_id;
1406 int index, ret;
1407 u16 buff_len = 4096;
1408 u32 next_index;
1409 u8 next_table;
1410 u8 *buff;
1411 u16 rlen;
1412
1413 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1414 &cluster_id, &table_id, &index);
1415 if (cnt != 3) {
1416 dev_info(&pf->pdev->dev,
1417 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1418 goto command_write_done;
1419 }
1420
1421 dev_info(&pf->pdev->dev,
1422 "AQ debug dump fwdata params %x %x %x %x\n",
1423 cluster_id, table_id, index, buff_len);
1424 buff = kzalloc(buff_len, GFP_KERNEL);
1425 if (!buff)
1426 goto command_write_done;
1427
1428 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1429 index, buff_len, buff, &rlen,
1430 &next_table, &next_index,
1431 NULL);
1432 if (ret) {
1433 dev_info(&pf->pdev->dev,
1434 "debug dump fwdata AQ Failed %d 0x%x\n",
1435 ret, pf->hw.aq.asq_last_status);
1436 kfree(buff);
1437 buff = NULL;
1438 goto command_write_done;
1439 }
1440 dev_info(&pf->pdev->dev,
1441 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1442 rlen, next_table, next_index);
1443 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1444 DUMP_PREFIX_OFFSET, 16, 1,
1445 buff, rlen, true);
1446 kfree(buff);
1447 buff = NULL;
02e9c290
JB		 1448 } else {
1449 dev_info(&pf->pdev->dev,
1450 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
7204a785
SN		 1451 dev_info(&pf->pdev->dev, "dump switch\n");
1452 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
02e9c290
JB		 1453 dev_info(&pf->pdev->dev, "dump reset stats\n");
1454 dev_info(&pf->pdev->dev, "dump port\n");
1455 dev_info(&pf->pdev->dev,
1456 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1457 }
1458
1459 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1460 u32 level;
1461 cnt = sscanf(&cmd_buf[10], "%i", &level);
1462 if (cnt) {
1463 if (I40E_DEBUG_USER & level) {
1464 pf->hw.debug_mask = level;
1465 dev_info(&pf->pdev->dev,
1466 "set hw.debug_mask = 0x%08x\n",
1467 pf->hw.debug_mask);
1468 }
1469 pf->msg_enable = level;
1470 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1471 pf->msg_enable);
1472 } else {
1473 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1474 pf->msg_enable);
1475 }
1476 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
69bfb110 1477 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
41a1d04b 1478 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
02e9c290
JB		 1479
1480 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
69bfb110 1481 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
41a1d04b 1482 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
02e9c290
JB		 1483
1484 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
69bfb110 1485 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
41a1d04b 1486 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
02e9c290 1487
7823fe34 1488 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
69bfb110 1489 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
41a1d04b 1490 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
7823fe34 1491
02e9c290
JB		 1492 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1493 u32 address;
1494 u32 value;
6995b36c 1495
2706a20e 1496 cnt = sscanf(&cmd_buf[4], "%i", &address);
02e9c290
JB		 1497 if (cnt != 1) {
1498 dev_info(&pf->pdev->dev, "read <reg>\n");
1499 goto command_write_done;
1500 }
1501
1502 /* check the range on address */
2ac8b675
SN		 1503 if (address > (pf->ioremap_len - sizeof(u32))) {
1504 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
e88ae667 1505 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
02e9c290
JB		 1506 goto command_write_done;
1507 }
1508
1509 value = rd32(&pf->hw, address);
1510 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1511 address, value);
1512
1513 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1514 u32 address, value;
6995b36c 1515
2706a20e 1516 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
02e9c290
JB		 1517 if (cnt != 2) {
1518 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1519 goto command_write_done;
1520 }
1521
1522 /* check the range on address */
2ac8b675
SN		 1523 if (address > (pf->ioremap_len - sizeof(u32))) {
1524 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
e88ae667 1525 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
02e9c290
JB		 1526 goto command_write_done;
1527 }
1528 wr32(&pf->hw, address, value);
1529 value = rd32(&pf->hw, address);
1530 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1531 address, value);
1532 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1533 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
2706a20e 1534 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
02e9c290
JB		 1535 if (cnt == 0) {
1536 int i;
6995b36c 1537
505682cd 1538 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 1539 i40e_vsi_reset_stats(pf->vsi[i]);
1540 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1541 } else if (cnt == 1) {
1542 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1543 if (!vsi) {
1544 dev_info(&pf->pdev->dev,
1545 "clear_stats vsi: bad vsi %d\n",
1546 vsi_seid);
1547 goto command_write_done;
1548 }
1549 i40e_vsi_reset_stats(vsi);
1550 dev_info(&pf->pdev->dev,
1551 "vsi clear stats called for vsi %d\n",
1552 vsi_seid);
1553 } else {
1554 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1555 }
694dc1cb
SN		 1556 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1557 if (pf->hw.partition_id == 1) {
1558 i40e_pf_reset_stats(pf);
1559 dev_info(&pf->pdev->dev, "port stats cleared\n");
1560 } else {
1561 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1562 }
02e9c290 1563 } else {
694dc1cb 1564 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
02e9c290 1565 }
f1143c4b
ASJ		 1566 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1567 struct i40e_aq_desc *desc;
1568 i40e_status ret;
1569
1570 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1571 if (!desc)
1572 goto command_write_done;
1573 cnt = sscanf(&cmd_buf[11],
fbe82101 1574 "%hi %hi %hi %hi %i %i %i %i %i %i",
f1143c4b
ASJ		 1575 &desc->flags,
1576 &desc->opcode, &desc->datalen, &desc->retval,
1577 &desc->cookie_high, &desc->cookie_low,
1578 &desc->params.internal.param0,
1579 &desc->params.internal.param1,
1580 &desc->params.internal.param2,
1581 &desc->params.internal.param3);
1582 if (cnt != 10) {
1583 dev_info(&pf->pdev->dev,
1584 "send aq_cmd: bad command string, cnt=%d\n",
1585 cnt);
1586 kfree(desc);
1587 desc = NULL;
1588 goto command_write_done;
1589 }
1590 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1591 if (!ret) {
1592 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1593 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1594 dev_info(&pf->pdev->dev,
1595 "AQ command send failed Opcode %x AQ Error: %d\n",
1596 desc->opcode, pf->hw.aq.asq_last_status);
1597 } else {
1598 dev_info(&pf->pdev->dev,
1599 "AQ command send failed Opcode %x Status: %d\n",
1600 desc->opcode, ret);
1601 }
1602 dev_info(&pf->pdev->dev,
1603 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1604 desc->flags, desc->opcode, desc->datalen, desc->retval,
1605 desc->cookie_high, desc->cookie_low,
1606 desc->params.internal.param0,
1607 desc->params.internal.param1,
1608 desc->params.internal.param2,
1609 desc->params.internal.param3);
1610 kfree(desc);
1611 desc = NULL;
1612 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1613 struct i40e_aq_desc *desc;
1614 i40e_status ret;
1615 u16 buffer_len;
1616 u8 *buff;
1617
1618 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1619 if (!desc)
1620 goto command_write_done;
1621 cnt = sscanf(&cmd_buf[20],
fbe82101 1622 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
f1143c4b
ASJ		 1623 &desc->flags,
1624 &desc->opcode, &desc->datalen, &desc->retval,
1625 &desc->cookie_high, &desc->cookie_low,
1626 &desc->params.internal.param0,
1627 &desc->params.internal.param1,
1628 &desc->params.internal.param2,
1629 &desc->params.internal.param3,
1630 &buffer_len);
1631 if (cnt != 11) {
1632 dev_info(&pf->pdev->dev,
1633 "send indirect aq_cmd: bad command string, cnt=%d\n",
1634 cnt);
1635 kfree(desc);
1636 desc = NULL;
1637 goto command_write_done;
1638 }
1639 /* Just stub a buffer big enough in case user messed up */
1640 if (buffer_len == 0)
1641 buffer_len = 1280;
1642
1643 buff = kzalloc(buffer_len, GFP_KERNEL);
1644 if (!buff) {
1645 kfree(desc);
1646 desc = NULL;
1647 goto command_write_done;
1648 }
1649 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1650 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1651 buffer_len, NULL);
1652 if (!ret) {
1653 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1654 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1655 dev_info(&pf->pdev->dev,
1656 "AQ command send failed Opcode %x AQ Error: %d\n",
1657 desc->opcode, pf->hw.aq.asq_last_status);
1658 } else {
1659 dev_info(&pf->pdev->dev,
1660 "AQ command send failed Opcode %x Status: %d\n",
1661 desc->opcode, ret);
1662 }
1663 dev_info(&pf->pdev->dev,
1664 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1665 desc->flags, desc->opcode, desc->datalen, desc->retval,
1666 desc->cookie_high, desc->cookie_low,
1667 desc->params.internal.param0,
1668 desc->params.internal.param1,
1669 desc->params.internal.param2,
1670 desc->params.internal.param3);
1671 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1672 DUMP_PREFIX_OFFSET, 16, 1,
1673 buff, buffer_len, true);
1674 kfree(buff);
1675 buff = NULL;
1676 kfree(desc);
1677 desc = NULL;
02e9c290
JB		 1678 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1679 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
17a73f6b 1680 struct i40e_fdir_filter fd_data;
02e9c290
JB		 1681 u16 packet_len, i, j = 0;
1682 char *asc_packet;
17a73f6b 1683 u8 *raw_packet;
02e9c290 1684 bool add = false;
738a9e9b 1685 int ret;
02e9c290 1686
55a5e60b
ASJ		 1687 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1688 goto command_write_done;
1689
1690 if (strncmp(cmd_buf, "add", 3) == 0)
1691 add = true;
1692
1693 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1694 goto command_write_done;
1695
17a73f6b 1696 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
02e9c290
JB		 1697 GFP_KERNEL);
1698 if (!asc_packet)
1699 goto command_write_done;
1700
17a73f6b
JG		 1701 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1702 GFP_KERNEL);
02e9c290 1703
17a73f6b 1704 if (!raw_packet) {
02e9c290
JB		 1705 kfree(asc_packet);
1706 asc_packet = NULL;
1707 goto command_write_done;
1708 }
1709
02e9c290 1710 cnt = sscanf(&cmd_buf[13],
5561b6a1 1711 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
02e9c290
JB		 1712 &fd_data.q_index,
1713 &fd_data.flex_off, &fd_data.pctype,
1714 &fd_data.dest_vsi, &fd_data.dest_ctl,
1715 &fd_data.fd_status, &fd_data.cnt_index,
1716 &fd_data.fd_id, &packet_len, asc_packet);
1717 if (cnt != 10) {
1718 dev_info(&pf->pdev->dev,
1719 "program fd_filter: bad command string, cnt=%d\n",
1720 cnt);
1721 kfree(asc_packet);
1722 asc_packet = NULL;
17a73f6b 1723 kfree(raw_packet);
02e9c290
JB		 1724 goto command_write_done;
1725 }
1726
1727 /* fix packet length if user entered 0 */
1728 if (packet_len == 0)
17a73f6b 1729 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
02e9c290
JB		 1730
1731 /* make sure to check the max as well */
1732 packet_len = min_t(u16,
17a73f6b 1733 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
02e9c290 1734
02e9c290 1735 for (i = 0; i < packet_len; i++) {
6995b36c
JB		 1736 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
1737 if (!cnt)
1738 break;
02e9c290 1739 j += 3;
02e9c290 1740 }
3753cb24
NP		 1741 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1742 print_hex_dump(KERN_INFO, "FD raw packet: ",
1743 DUMP_PREFIX_OFFSET, 16, 1,
17a73f6b
JG		 1744 raw_packet, packet_len, true);
1745 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
02e9c290
JB		 1746 if (!ret) {
1747 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1748 } else {
1749 dev_info(&pf->pdev->dev,
1750 "Filter command send failed %d\n", ret);
1751 }
17a73f6b
JG		 1752 kfree(raw_packet);
1753 raw_packet = NULL;
02e9c290
JB		 1754 kfree(asc_packet);
1755 asc_packet = NULL;
e17ff05c
ASJ		 1756 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1757 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1758 i40e_get_current_fd_count(pf));
02e9c290
JB		 1759 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1760 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1761 int ret;
6995b36c 1762
02e9c290
JB		 1763 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1764 if (ret) {
1765 dev_info(&pf->pdev->dev,
1766 "Stop LLDP AQ command failed =0x%x\n",
1767 pf->hw.aq.asq_last_status);
1768 goto command_write_done;
1769 }
4e3b35b0
NP		 1770 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1771 pf->hw.mac.addr,
1772 I40E_ETH_P_LLDP, 0,
1773 pf->vsi[pf->lan_vsi]->seid,
1774 0, true, NULL, NULL);
1775 if (ret) {
1776 dev_info(&pf->pdev->dev,
1777 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1778 __func__, pf->hw.aq.asq_last_status);
1779 goto command_write_done;
1780 }
1781#ifdef CONFIG_I40E_DCB
1782 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1783 DCB_CAP_DCBX_VER_IEEE;
1784#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1785 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1786 int ret;
6995b36c 1787
4e3b35b0
NP		 1788 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1789 pf->hw.mac.addr,
1790 I40E_ETH_P_LLDP, 0,
1791 pf->vsi[pf->lan_vsi]->seid,
1792 0, false, NULL, NULL);
1793 if (ret) {
1794 dev_info(&pf->pdev->dev,
1795 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1796 __func__, pf->hw.aq.asq_last_status);
1797 /* Continue and start FW LLDP anyways */
1798 }
1799
02e9c290
JB		 1800 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1801 if (ret) {
1802 dev_info(&pf->pdev->dev,
1803 "Start LLDP AQ command failed =0x%x\n",
1804 pf->hw.aq.asq_last_status);
1805 goto command_write_done;
1806 }
4e3b35b0
NP		 1807#ifdef CONFIG_I40E_DCB
1808 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1809 DCB_CAP_DCBX_VER_IEEE;
1810#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1811 } else if (strncmp(&cmd_buf[5],
1812 "get local", 9) == 0) {
738a9e9b 1813 u16 llen, rlen;
3753cb24 1814 int ret;
02e9c290 1815 u8 *buff;
6995b36c 1816
02e9c290
JB		 1817 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1818 if (!buff)
1819 goto command_write_done;
1820
1821 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1822 I40E_AQ_LLDP_MIB_LOCAL,
1823 buff, I40E_LLDPDU_SIZE,
1824 &llen, &rlen, NULL);
1825 if (ret) {
1826 dev_info(&pf->pdev->dev,
1827 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1828 pf->hw.aq.asq_last_status);
1829 kfree(buff);
1830 buff = NULL;
1831 goto command_write_done;
1832 }
3753cb24
NP		 1833 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1834 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1835 DUMP_PREFIX_OFFSET, 16, 1,
1836 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1837 kfree(buff);
1838 buff = NULL;
1839 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
738a9e9b 1840 u16 llen, rlen;
3753cb24 1841 int ret;
02e9c290 1842 u8 *buff;
6995b36c 1843
02e9c290
JB		 1844 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1845 if (!buff)
1846 goto command_write_done;
1847
1848 ret = i40e_aq_get_lldp_mib(&pf->hw,
1849 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
c27936e7 1850 I40E_AQ_LLDP_MIB_REMOTE,
02e9c290
JB		 1851 buff, I40E_LLDPDU_SIZE,
1852 &llen, &rlen, NULL);
1853 if (ret) {
1854 dev_info(&pf->pdev->dev,
1855 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1856 pf->hw.aq.asq_last_status);
1857 kfree(buff);
1858 buff = NULL;
1859 goto command_write_done;
1860 }
3753cb24
NP		 1861 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1862 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1863 DUMP_PREFIX_OFFSET, 16, 1,
1864 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1865 kfree(buff);
1866 buff = NULL;
1867 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1868 int ret;
6995b36c 1869
02e9c290
JB		 1870 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1871 true, NULL);
1872 if (ret) {
1873 dev_info(&pf->pdev->dev,
1874 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1875 pf->hw.aq.asq_last_status);
1876 goto command_write_done;
1877 }
1878 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1879 int ret;
6995b36c 1880
02e9c290
JB		 1881 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1882 false, NULL);
1883 if (ret) {
1884 dev_info(&pf->pdev->dev,
1885 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1886 pf->hw.aq.asq_last_status);
1887 goto command_write_done;
1888 }
1889 }
1890 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
3753cb24 1891 u16 buffer_len, bytes;
02e9c290
JB		 1892 u16 module;
1893 u32 offset;
1894 u16 *buff;
1895 int ret;
1896
1897 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1898 &module, &offset, &buffer_len);
1899 if (cnt == 0) {
1900 module = 0;
1901 offset = 0;
1902 buffer_len = 0;
1903 } else if (cnt == 1) {
1904 offset = 0;
1905 buffer_len = 0;
1906 } else if (cnt == 2) {
1907 buffer_len = 0;
1908 } else if (cnt > 3) {
1909 dev_info(&pf->pdev->dev,
1910 "nvm read: bad command string, cnt=%d\n", cnt);
1911 goto command_write_done;
1912 }
1913
520dfd8b
JB		 1914 /* set the max length */
1915 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
02e9c290
JB		 1916
1917 bytes = 2 * buffer_len;
520dfd8b
JB		 1918
1919 /* read at least 1k bytes, no more than 4kB */
1920 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
02e9c290
JB		 1921 buff = kzalloc(bytes, GFP_KERNEL);
1922 if (!buff)
1923 goto command_write_done;
1924
1925 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1926 if (ret) {
1927 dev_info(&pf->pdev->dev,
1928 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1929 ret, pf->hw.aq.asq_last_status);
1930 kfree(buff);
1931 goto command_write_done;
1932 }
1933
1934 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1935 bytes, (u8 *)buff, true, NULL);
1936 i40e_release_nvm(&pf->hw);
1937 if (ret) {
1938 dev_info(&pf->pdev->dev,
1939 "Read NVM AQ failed err=%d status=0x%x\n",
1940 ret, pf->hw.aq.asq_last_status);
1941 } else {
1942 dev_info(&pf->pdev->dev,
1943 "Read NVM module=0x%x offset=0x%x words=%d\n",
1944 module, offset, buffer_len);
a45e88c9 1945 if (bytes)
3753cb24
NP		 1946 print_hex_dump(KERN_INFO, "NVM Dump: ",
1947 DUMP_PREFIX_OFFSET, 16, 2,
a45e88c9 1948 buff, bytes, true);
02e9c290
JB		 1949 }
1950 kfree(buff);
1951 buff = NULL;
1952 } else {
1953 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1954 dev_info(&pf->pdev->dev, "available commands\n");
1955 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1956 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1957 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1958 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1959 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1960 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1961 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1962 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1963 dev_info(&pf->pdev->dev, " dump switch\n");
1964 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1965 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1966 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1967 dev_info(&pf->pdev->dev, " dump desc aq\n");
02e9c290 1968 dev_info(&pf->pdev->dev, " dump reset stats\n");
3169c323 1969 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
02e9c290
JB		 1970 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1971 dev_info(&pf->pdev->dev, " read <reg>\n");
1972 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1973 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
694dc1cb 1974 dev_info(&pf->pdev->dev, " clear_stats port\n");
02e9c290
JB		 1975 dev_info(&pf->pdev->dev, " pfr\n");
1976 dev_info(&pf->pdev->dev, " corer\n");
1977 dev_info(&pf->pdev->dev, " globr\n");
f1143c4b
ASJ		 1978 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1979 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		 1980 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");
1981 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");
e17ff05c 1982 dev_info(&pf->pdev->dev, " fd current cnt");
02e9c290
JB		 1983 dev_info(&pf->pdev->dev, " lldp start\n");
1984 dev_info(&pf->pdev->dev, " lldp stop\n");
1985 dev_info(&pf->pdev->dev, " lldp get local\n");
1986 dev_info(&pf->pdev->dev, " lldp get remote\n");
1987 dev_info(&pf->pdev->dev, " lldp event on\n");
1988 dev_info(&pf->pdev->dev, " lldp event off\n");
1989 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1990 }
1991
1992command_write_done:
1993 kfree(cmd_buf);
1994 cmd_buf = NULL;
02e9c290
JB		 1995 return count;
1996}
1997
1998static const struct file_operations i40e_dbg_command_fops = {
1999 .owner = THIS_MODULE,
2000 .open = simple_open,
2001 .read = i40e_dbg_command_read,
2002 .write = i40e_dbg_command_write,
2003};
2004
2005/**************************************************************
2006 * netdev_ops
2007 * The netdev_ops entry in debugfs is for giving the driver commands
2008 * to be executed from the netdev operations.
2009 **************************************************************/
d1da3ac0 2010static char i40e_dbg_netdev_ops_buf[256] = "";
02e9c290
JB		 2011
2012/**
2013 * i40e_dbg_netdev_ops - read for netdev_ops datum
2014 * @filp: the opened file
2015 * @buffer: where to write the data for the user to read
2016 * @count: the size of the user's buffer
2017 * @ppos: file position offset
2018 **/
2019static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
2020 size_t count, loff_t *ppos)
2021{
2022 struct i40e_pf *pf = filp->private_data;
2023 int bytes_not_copied;
2024 int buf_size = 256;
2025 char *buf;
2026 int len;
2027
2028 /* don't allow partal reads */
2029 if (*ppos != 0)
2030 return 0;
2031 if (count < buf_size)
2032 return -ENOSPC;
2033
2034 buf = kzalloc(buf_size, GFP_KERNEL);
2035 if (!buf)
2036 return -ENOSPC;
2037
2038 len = snprintf(buf, buf_size, "%s: %s\n",
2039 pf->vsi[pf->lan_vsi]->netdev->name,
2040 i40e_dbg_netdev_ops_buf);
2041
2042 bytes_not_copied = copy_to_user(buffer, buf, len);
2043 kfree(buf);
2044
0286c67e
RV		 2045 if (bytes_not_copied)
2046 return -EFAULT;
02e9c290
JB		 2047
2048 *ppos = len;
2049 return len;
2050}
2051
2052/**
2053 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
2054 * @filp: the opened file
2055 * @buffer: where to find the user's data
2056 * @count: the length of the user's data
2057 * @ppos: file position offset
2058 **/
2059static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
2060 const char __user *buffer,
2061 size_t count, loff_t *ppos)
2062{
2063 struct i40e_pf *pf = filp->private_data;
2064 int bytes_not_copied;
2065 struct i40e_vsi *vsi;
004173cb 2066 char *buf_tmp;
02e9c290
JB		 2067 int vsi_seid;
2068 int i, cnt;
2069
2070 /* don't allow partial writes */
2071 if (*ppos != 0)
2072 return 0;
2073 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2074 return -ENOSPC;
2075
2076 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2077 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2078 buffer, count);
0286c67e
RV		 2079 if (bytes_not_copied)
2080 return -EFAULT;
02e9c290
JB		 2081 i40e_dbg_netdev_ops_buf[count] = '\0';
2082
004173cb
JB		 2083 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2084 if (buf_tmp) {
2085 *buf_tmp = '\0';
2086 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2087 }
2088
02e9c290
JB		 2089 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2090 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2091 if (cnt != 1) {
2092 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2093 goto netdev_ops_write_done;
2094 }
2095 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2096 if (!vsi) {
2097 dev_info(&pf->pdev->dev,
2098 "tx_timeout: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2099 } else if (!vsi->netdev) {
2100 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2101 vsi_seid);
2102 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2103 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2104 vsi_seid);
2105 } else if (rtnl_trylock()) {
02e9c290
JB		 2106 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2107 rtnl_unlock();
2108 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2109 } else {
2110 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2111 }
2112 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2113 int mtu;
6995b36c 2114
02e9c290
JB		 2115 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2116 &vsi_seid, &mtu);
2117 if (cnt != 2) {
2118 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2119 goto netdev_ops_write_done;
2120 }
2121 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2122 if (!vsi) {
2123 dev_info(&pf->pdev->dev,
2124 "change_mtu: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2125 } else if (!vsi->netdev) {
2126 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2127 vsi_seid);
2128 } else if (rtnl_trylock()) {
02e9c290
JB		 2129 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2130 mtu);
2131 rtnl_unlock();
2132 dev_info(&pf->pdev->dev, "change_mtu called\n");
2133 } else {
2134 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2135 }
2136
2137 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2138 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2139 if (cnt != 1) {
2140 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2141 goto netdev_ops_write_done;
2142 }
2143 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2144 if (!vsi) {
2145 dev_info(&pf->pdev->dev,
2146 "set_rx_mode: VSI %d not found\n", vsi_seid);
ca04657b
SN		 2147 } else if (!vsi->netdev) {
2148 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2149 vsi_seid);
2150 } else if (rtnl_trylock()) {
02e9c290
JB		 2151 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2152 rtnl_unlock();
2153 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2154 } else {
2155 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2156 }
2157
2158 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2159 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2160 if (cnt != 1) {
2161 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2162 goto netdev_ops_write_done;
2163 }
2164 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2165 if (!vsi) {
2166 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2167 vsi_seid);
ca04657b
SN		 2168 } else if (!vsi->netdev) {
2169 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2170 vsi_seid);
2171 } else {
2172 for (i = 0; i < vsi->num_q_vectors; i++)
2173 napi_schedule(&vsi->q_vectors[i]->napi);
2174 dev_info(&pf->pdev->dev, "napi called\n");
02e9c290 2175 }
02e9c290
JB		 2176 } else {
2177 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2178 i40e_dbg_netdev_ops_buf);
2179 dev_info(&pf->pdev->dev, "available commands\n");
2180 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2181 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2182 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2183 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2184 }
2185netdev_ops_write_done:
2186 return count;
2187}
2188
2189static const struct file_operations i40e_dbg_netdev_ops_fops = {
2190 .owner = THIS_MODULE,
2191 .open = simple_open,
2192 .read = i40e_dbg_netdev_ops_read,
2193 .write = i40e_dbg_netdev_ops_write,
2194};
2195
2196/**
b40c82e6
JK		 2197 * i40e_dbg_pf_init - setup the debugfs directory for the PF
2198 * @pf: the PF that is starting up
02e9c290
JB		 2199 **/
2200void i40e_dbg_pf_init(struct i40e_pf *pf)
2201{
6301002f 2202 struct dentry *pfile;
02e9c290 2203 const char *name = pci_name(pf->pdev);
6301002f 2204 const struct device *dev = &pf->pdev->dev;
02e9c290
JB		 2205
2206 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
6301002f
JB		 2207 if (!pf->i40e_dbg_pf)
2208 return;
2209
2210 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2211 &i40e_dbg_command_fops);
2212 if (!pfile)
2213 goto create_failed;
2214
2215 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2216 &i40e_dbg_dump_fops);
2217 if (!pfile)
2218 goto create_failed;
2219
2220 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2221 &i40e_dbg_netdev_ops_fops);
2222 if (!pfile)
2223 goto create_failed;
2224
2225 return;
2226
2227create_failed:
2228 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2229 debugfs_remove_recursive(pf->i40e_dbg_pf);
02e9c290
JB		 2230}
2231
2232/**
b40c82e6
JK		 2233 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
2234 * @pf: the PF that is stopping
02e9c290
JB		 2235 **/
2236void i40e_dbg_pf_exit(struct i40e_pf *pf)
2237{
2238 debugfs_remove_recursive(pf->i40e_dbg_pf);
2239 pf->i40e_dbg_pf = NULL;
2240
2241 kfree(i40e_dbg_dump_buf);
2242 i40e_dbg_dump_buf = NULL;
2243}
2244
2245/**
2246 * i40e_dbg_init - start up debugfs for the driver
2247 **/
2248void i40e_dbg_init(void)
2249{
2250 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2251 if (!i40e_dbg_root)
2252 pr_info("init of debugfs failed\n");
2253}
2254
2255/**
2256 * i40e_dbg_exit - clean out the driver's debugfs entries
2257 **/
2258void i40e_dbg_exit(void)
2259{
2260 debugfs_remove_recursive(i40e_dbg_root);
2261 i40e_dbg_root = NULL;
2262}
2263
2264#endif /* CONFIG_DEBUG_FS */
Ubuntu Hirsute Linux kernel mirror