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authorJesse Brandeburg <jesse.brandeburg@intel.com>2013-09-11 04:40:17 -0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-09-11 05:19:11 -0400
commit02e9c290814cc143ceccecb14eac3e7a05da745e (patch)
treea4269631298bf7558961b4927d0742d2401e2404
parent56a62fc8689509fb86bcb20768d575b81d9c311e (diff)
i40e: debugfs interface
This driver includes a debugfs interface for developers to get more hardware information in real-time. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> CC: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com> CC: e1000-devel@lists.sourceforge.net Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_debugfs.c2076
1 files changed, 2076 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
new file mode 100644
index 000000000000..8dbd91f64b74
--- /dev/null
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -0,0 +1,2076 @@
1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 *
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *
26 ******************************************************************************/
27
28#ifdef CONFIG_DEBUG_FS
29
30#include <linux/fs.h>
31#include <linux/debugfs.h>
32
33#include "i40e.h"
34
35static struct dentry *i40e_dbg_root;
36
37/**
38 * i40e_dbg_find_vsi - searches for the vsi with the given seid
39 * @pf - the pf structure to search for the vsi
40 * @seid - seid of the vsi it is searching for
41 **/
42static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
43{
44 int i;
45
46 if (seid < 0)
47 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
48 else
49 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
50 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
51 return pf->vsi[i];
52
53 return NULL;
54}
55
56/**
57 * i40e_dbg_find_veb - searches for the veb with the given seid
58 * @pf - the pf structure to search for the veb
59 * @seid - seid of the veb it is searching for
60 **/
61static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
62{
63 int i;
64
65 if ((seid < I40E_BASE_VEB_SEID) ||
66 (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB)))
67 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
68 else
69 for (i = 0; i < I40E_MAX_VEB; i++)
70 if (pf->veb[i] && pf->veb[i]->seid == seid)
71 return pf->veb[i];
72 return NULL;
73}
74
75/**************************************************************
76 * dump
77 * The dump entry in debugfs is for getting a data snapshow of
78 * the driver's current configuration and runtime details.
79 * When the filesystem entry is written, a snapshot is taken.
80 * When the entry is read, the most recent snapshot data is dumped.
81 **************************************************************/
82static char *i40e_dbg_dump_buf;
83static ssize_t i40e_dbg_dump_data_len;
84static ssize_t i40e_dbg_dump_buffer_len;
85
86/**
87 * i40e_dbg_dump_read - read the dump data
88 * @filp: the opened file
89 * @buffer: where to write the data for the user to read
90 * @count: the size of the user's buffer
91 * @ppos: file position offset
92 **/
93static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer,
94 size_t count, loff_t *ppos)
95{
96 int bytes_not_copied;
97 int len;
98
99 /* is *ppos bigger than the available data? */
100 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
101 return 0;
102
103 /* be sure to not read beyond the end of available data */
104 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
105
106 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
107 if (bytes_not_copied < 0)
108 return bytes_not_copied;
109
110 *ppos += len;
111 return len;
112}
113
114/**
115 * i40e_dbg_prep_dump_buf
116 * @pf: the pf we're working with
117 * @buflen: the desired buffer length
118 *
119 * Return positive if success, 0 if failed
120 **/
121static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen)
122{
123 /* if not already big enough, prep for re alloc */
124 if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) {
125 kfree(i40e_dbg_dump_buf);
126 i40e_dbg_dump_buffer_len = 0;
127 i40e_dbg_dump_buf = NULL;
128 }
129
130 /* get a new buffer if needed */
131 if (!i40e_dbg_dump_buf) {
132 i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL);
133 if (i40e_dbg_dump_buf != NULL)
134 i40e_dbg_dump_buffer_len = buflen;
135 }
136
137 return i40e_dbg_dump_buffer_len;
138}
139
140/**
141 * i40e_dbg_dump_write - trigger a datadump snapshot
142 * @filp: the opened file
143 * @buffer: where to find the user's data
144 * @count: the length of the user's data
145 * @ppos: file position offset
146 *
147 * Any write clears the stats
148 **/
149static ssize_t i40e_dbg_dump_write(struct file *filp,
150 const char __user *buffer,
151 size_t count, loff_t *ppos)
152{
153 struct i40e_pf *pf = filp->private_data;
154 char dump_request_buf[16];
155 bool seid_found = false;
156 int bytes_not_copied;
157 long seid = -1;
158 int buflen = 0;
159 int i, ret;
160 int len;
161 u8 *p;
162
163 /* don't allow partial writes */
164 if (*ppos != 0)
165 return 0;
166 if (count >= sizeof(dump_request_buf))
167 return -ENOSPC;
168
169 bytes_not_copied = copy_from_user(dump_request_buf, buffer, count);
170 if (bytes_not_copied < 0)
171 return bytes_not_copied;
172 if (bytes_not_copied > 0)
173 count -= bytes_not_copied;
174 dump_request_buf[count] = '\0';
175
176 /* decode the SEID given to be dumped */
177 ret = kstrtol(dump_request_buf, 0, &seid);
178 if (ret < 0) {
179 dev_info(&pf->pdev->dev, "bad seid value '%s'\n",
180 dump_request_buf);
181 } else if (seid == 0) {
182 seid_found = true;
183
184 kfree(i40e_dbg_dump_buf);
185 i40e_dbg_dump_buffer_len = 0;
186 i40e_dbg_dump_data_len = 0;
187 i40e_dbg_dump_buf = NULL;
188 dev_info(&pf->pdev->dev, "debug buffer freed\n");
189
190 } else if (seid == pf->pf_seid || seid == 1) {
191 seid_found = true;
192
193 buflen = sizeof(struct i40e_pf);
194 buflen += (sizeof(struct i40e_aq_desc)
195 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries));
196
197 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
198 p = i40e_dbg_dump_buf;
199
200 len = sizeof(struct i40e_pf);
201 memcpy(p, pf, len);
202 p += len;
203
204 len = (sizeof(struct i40e_aq_desc)
205 * pf->hw.aq.num_asq_entries);
206 memcpy(p, pf->hw.aq.asq.desc, len);
207 p += len;
208
209 len = (sizeof(struct i40e_aq_desc)
210 * pf->hw.aq.num_arq_entries);
211 memcpy(p, pf->hw.aq.arq.desc, len);
212 p += len;
213
214 i40e_dbg_dump_data_len = buflen;
215 dev_info(&pf->pdev->dev,
216 "PF seid %ld dumped %d bytes\n",
217 seid, (int)i40e_dbg_dump_data_len);
218 }
219 } else if (seid >= I40E_BASE_VSI_SEID) {
220 struct i40e_vsi *vsi = NULL;
221 struct i40e_mac_filter *f;
222 int filter_count = 0;
223
224 mutex_lock(&pf->switch_mutex);
225 vsi = i40e_dbg_find_vsi(pf, seid);
226 if (!vsi) {
227 mutex_unlock(&pf->switch_mutex);
228 goto write_exit;
229 }
230
231 buflen = sizeof(struct i40e_vsi);
232 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
233 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
234 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
235 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
236 list_for_each_entry(f, &vsi->mac_filter_list, list)
237 filter_count++;
238 buflen += sizeof(struct i40e_mac_filter) * filter_count;
239
240 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
241 p = i40e_dbg_dump_buf;
242 seid_found = true;
243
244 len = sizeof(struct i40e_vsi);
245 memcpy(p, vsi, len);
246 p += len;
247
248 len = (sizeof(struct i40e_q_vector)
249 * vsi->num_q_vectors);
250 memcpy(p, vsi->q_vectors, len);
251 p += len;
252
253 len = (sizeof(struct i40e_ring) * vsi->num_queue_pairs);
254 memcpy(p, vsi->tx_rings, len);
255 p += len;
256 memcpy(p, vsi->rx_rings, len);
257 p += len;
258
259 for (i = 0; i < vsi->num_queue_pairs; i++) {
260 len = sizeof(struct i40e_tx_buffer);
261 memcpy(p, vsi->tx_rings[i].tx_bi, len);
262 p += len;
263 }
264 for (i = 0; i < vsi->num_queue_pairs; i++) {
265 len = sizeof(struct i40e_rx_buffer);
266 memcpy(p, vsi->rx_rings[i].rx_bi, len);
267 p += len;
268 }
269
270 /* macvlan filter list */
271 len = sizeof(struct i40e_mac_filter);
272 list_for_each_entry(f, &vsi->mac_filter_list, list) {
273 memcpy(p, f, len);
274 p += len;
275 }
276
277 i40e_dbg_dump_data_len = buflen;
278 dev_info(&pf->pdev->dev,
279 "VSI seid %ld dumped %d bytes\n",
280 seid, (int)i40e_dbg_dump_data_len);
281 }
282 mutex_unlock(&pf->switch_mutex);
283 } else if (seid >= I40E_BASE_VEB_SEID) {
284 struct i40e_veb *veb = NULL;
285
286 mutex_lock(&pf->switch_mutex);
287 veb = i40e_dbg_find_veb(pf, seid);
288 if (!veb) {
289 mutex_unlock(&pf->switch_mutex);
290 goto write_exit;
291 }
292
293 buflen = sizeof(struct i40e_veb);
294 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
295 seid_found = true;
296 memcpy(i40e_dbg_dump_buf, veb, buflen);
297 i40e_dbg_dump_data_len = buflen;
298 dev_info(&pf->pdev->dev,
299 "VEB seid %ld dumped %d bytes\n",
300 seid, (int)i40e_dbg_dump_data_len);
301 }
302 mutex_unlock(&pf->switch_mutex);
303 }
304
305write_exit:
306 if (!seid_found)
307 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
308
309 return count;
310}
311
312static const struct file_operations i40e_dbg_dump_fops = {
313 .owner = THIS_MODULE,
314 .open = simple_open,
315 .read = i40e_dbg_dump_read,
316 .write = i40e_dbg_dump_write,
317};
318
319/**************************************************************
320 * command
321 * The command entry in debugfs is for giving the driver commands
322 * to be executed - these may be for changing the internal switch
323 * setup, adding or removing filters, or other things. Many of
324 * these will be useful for some forms of unit testing.
325 **************************************************************/
326static char i40e_dbg_command_buf[256] = "hello world";
327
328/**
329 * i40e_dbg_command_read - read for command datum
330 * @filp: the opened file
331 * @buffer: where to write the data for the user to read
332 * @count: the size of the user's buffer
333 * @ppos: file position offset
334 **/
335static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
336 size_t count, loff_t *ppos)
337{
338 struct i40e_pf *pf = filp->private_data;
339 int bytes_not_copied;
340 int buf_size = 256;
341 char *buf;
342 int len;
343
344 /* don't allow partial reads */
345 if (*ppos != 0)
346 return 0;
347 if (count < buf_size)
348 return -ENOSPC;
349
350 buf = kzalloc(buf_size, GFP_KERNEL);
351 if (!buf)
352 return -ENOSPC;
353
354 len = snprintf(buf, buf_size, "%s: %s\n",
355 pf->vsi[pf->lan_vsi]->netdev->name,
356 i40e_dbg_command_buf);
357
358 bytes_not_copied = copy_to_user(buffer, buf, len);
359 kfree(buf);
360
361 if (bytes_not_copied < 0)
362 return bytes_not_copied;
363
364 *ppos = len;
365 return len;
366}
367
368/**
369 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into pokem datum
370 * @pf: the i40e_pf created in command write
371 * @seid: the seid the user put in
372 **/
373static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
374{
375 struct rtnl_link_stats64 *nstat;
376 struct i40e_mac_filter *f;
377 struct i40e_vsi *vsi;
378 int i;
379
380 vsi = i40e_dbg_find_vsi(pf, seid);
381 if (!vsi) {
382 dev_info(&pf->pdev->dev,
383 "dump %d: seid not found\n", seid);
384 return;
385 }
386 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
387 if (vsi->netdev)
388 dev_info(&pf->pdev->dev,
389 " netdev: name = %s\n",
390 vsi->netdev->name);
391 if (vsi->active_vlans)
392 dev_info(&pf->pdev->dev,
393 " vlgrp: & = %p\n", vsi->active_vlans);
394 dev_info(&pf->pdev->dev,
395 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n",
396 vsi->netdev_registered,
397 vsi->current_netdev_flags, vsi->state, vsi->flags);
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);
487 if (vsi->rx_rings) {
488 for (i = 0; i < vsi->num_queue_pairs; i++) {
489 dev_info(&pf->pdev->dev,
490 " rx_rings[%i]: desc = %p\n",
491 i, vsi->rx_rings[i].desc);
492 dev_info(&pf->pdev->dev,
493 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
494 i, vsi->rx_rings[i].dev,
495 vsi->rx_rings[i].netdev,
496 vsi->rx_rings[i].rx_bi);
497 dev_info(&pf->pdev->dev,
498 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
499 i, vsi->rx_rings[i].state,
500 vsi->rx_rings[i].queue_index,
501 vsi->rx_rings[i].reg_idx);
502 dev_info(&pf->pdev->dev,
503 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
504 i, vsi->rx_rings[i].rx_hdr_len,
505 vsi->rx_rings[i].rx_buf_len,
506 vsi->rx_rings[i].dtype);
507 dev_info(&pf->pdev->dev,
508 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
509 i, vsi->rx_rings[i].hsplit,
510 vsi->rx_rings[i].next_to_use,
511 vsi->rx_rings[i].next_to_clean,
512 vsi->rx_rings[i].ring_active);
513 dev_info(&pf->pdev->dev,
514 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
515 i, vsi->rx_rings[i].rx_stats.packets,
516 vsi->rx_rings[i].rx_stats.bytes,
517 vsi->rx_rings[i].rx_stats.non_eop_descs);
518 dev_info(&pf->pdev->dev,
519 " rx_rings[%i]: rx_stats: alloc_rx_page_failed = %lld, alloc_rx_buff_failed = %lld\n",
520 i,
521 vsi->rx_rings[i].rx_stats.alloc_rx_page_failed,
522 vsi->rx_rings[i].rx_stats.alloc_rx_buff_failed);
523 dev_info(&pf->pdev->dev,
524 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
525 i, vsi->rx_rings[i].size,
526 (long unsigned int)vsi->rx_rings[i].dma);
527 dev_info(&pf->pdev->dev,
528 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
529 i, vsi->rx_rings[i].vsi,
530 vsi->rx_rings[i].q_vector);
531 }
532 }
533 if (vsi->tx_rings) {
534 for (i = 0; i < vsi->num_queue_pairs; i++) {
535 dev_info(&pf->pdev->dev,
536 " tx_rings[%i]: desc = %p\n",
537 i, vsi->tx_rings[i].desc);
538 dev_info(&pf->pdev->dev,
539 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
540 i, vsi->tx_rings[i].dev,
541 vsi->tx_rings[i].netdev,
542 vsi->tx_rings[i].tx_bi);
543 dev_info(&pf->pdev->dev,
544 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
545 i, vsi->tx_rings[i].state,
546 vsi->tx_rings[i].queue_index,
547 vsi->tx_rings[i].reg_idx);
548 dev_info(&pf->pdev->dev,
549 " tx_rings[%i]: dtype = %d\n",
550 i, vsi->tx_rings[i].dtype);
551 dev_info(&pf->pdev->dev,
552 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
553 i, vsi->tx_rings[i].hsplit,
554 vsi->tx_rings[i].next_to_use,
555 vsi->tx_rings[i].next_to_clean,
556 vsi->tx_rings[i].ring_active);
557 dev_info(&pf->pdev->dev,
558 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
559 i, vsi->tx_rings[i].tx_stats.packets,
560 vsi->tx_rings[i].tx_stats.bytes,
561 vsi->tx_rings[i].tx_stats.restart_queue);
562 dev_info(&pf->pdev->dev,
563 " tx_rings[%i]: tx_stats: tx_busy = %lld, completed = %lld, tx_done_old = %lld\n",
564 i,
565 vsi->tx_rings[i].tx_stats.tx_busy,
566 vsi->tx_rings[i].tx_stats.completed,
567 vsi->tx_rings[i].tx_stats.tx_done_old);
568 dev_info(&pf->pdev->dev,
569 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
570 i, vsi->tx_rings[i].size,
571 (long unsigned int)vsi->tx_rings[i].dma);
572 dev_info(&pf->pdev->dev,
573 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
574 i, vsi->tx_rings[i].vsi,
575 vsi->tx_rings[i].q_vector);
576 dev_info(&pf->pdev->dev,
577 " tx_rings[%i]: DCB tc = %d\n",
578 i, vsi->tx_rings[i].dcb_tc);
579 }
580 }
581 dev_info(&pf->pdev->dev,
582 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
583 vsi->work_limit, vsi->rx_itr_setting,
584 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
585 vsi->tx_itr_setting,
586 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
587 dev_info(&pf->pdev->dev,
588 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
589 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
590 if (vsi->q_vectors) {
591 for (i = 0; i < vsi->num_q_vectors; i++) {
592 dev_info(&pf->pdev->dev,
593 " q_vectors[%i]: base index = %ld\n",
594 i, ((long int)*vsi->q_vectors[i].rx.ring-
595 (long int)*vsi->q_vectors[0].rx.ring)/
596 sizeof(struct i40e_ring));
597 }
598 }
599 dev_info(&pf->pdev->dev,
600 " num_q_vectors = %i, base_vector = %i\n",
601 vsi->num_q_vectors, vsi->base_vector);
602 dev_info(&pf->pdev->dev,
603 " seid = %d, id = %d, uplink_seid = %d\n",
604 vsi->seid, vsi->id, vsi->uplink_seid);
605 dev_info(&pf->pdev->dev,
606 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
607 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
608 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
609 dev_info(&pf->pdev->dev,
610 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
611 vsi->info.valid_sections, vsi->info.switch_id);
612 dev_info(&pf->pdev->dev,
613 " info: sw_reserved[] = 0x%02x 0x%02x\n",
614 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
615 dev_info(&pf->pdev->dev,
616 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
617 vsi->info.sec_flags, vsi->info.sec_reserved);
618 dev_info(&pf->pdev->dev,
619 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
620 vsi->info.pvid, vsi->info.fcoe_pvid,
621 vsi->info.port_vlan_flags);
622 dev_info(&pf->pdev->dev,
623 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
624 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
625 vsi->info.pvlan_reserved[2]);
626 dev_info(&pf->pdev->dev,
627 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
628 vsi->info.ingress_table, vsi->info.egress_table);
629 dev_info(&pf->pdev->dev,
630 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
631 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
632 vsi->info.cas_pv_reserved);
633 dev_info(&pf->pdev->dev,
634 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
635 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
636 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
637 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
638 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
639 dev_info(&pf->pdev->dev,
640 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
641 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
642 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
643 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
644 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
645 dev_info(&pf->pdev->dev,
646 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
647 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
648 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
649 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
650 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
651 dev_info(&pf->pdev->dev,
652 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
653 vsi->info.queueing_opt_flags,
654 vsi->info.queueing_opt_reserved[0],
655 vsi->info.queueing_opt_reserved[1],
656 vsi->info.queueing_opt_reserved[2]);
657 dev_info(&pf->pdev->dev,
658 " info: up_enable_bits = 0x%02x\n",
659 vsi->info.up_enable_bits);
660 dev_info(&pf->pdev->dev,
661 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
662 vsi->info.sched_reserved, vsi->info.outer_up_table);
663 dev_info(&pf->pdev->dev,
664 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
665 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
666 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
667 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
668 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
669 dev_info(&pf->pdev->dev,
670 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
671 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
672 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
673 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
674 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
675 dev_info(&pf->pdev->dev,
676 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
677 vsi->info.stat_counter_idx, vsi->info.sched_id);
678 dev_info(&pf->pdev->dev,
679 " 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",
680 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
681 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
682 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
683 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
684 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
685 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
686 if (vsi->back)
687 dev_info(&pf->pdev->dev, " pf = %p\n", vsi->back);
688 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
689 dev_info(&pf->pdev->dev,
690 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
691 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
692 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
693 dev_info(&pf->pdev->dev,
694 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
695 i, vsi->tc_config.tc_info[i].qoffset,
696 vsi->tc_config.tc_info[i].qcount,
697 vsi->tc_config.tc_info[i].netdev_tc);
698 }
699 dev_info(&pf->pdev->dev,
700 " bw: bw_limit = %d, bw_max_quanta = %d\n",
701 vsi->bw_limit, vsi->bw_max_quanta);
702 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
703 dev_info(&pf->pdev->dev,
704 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
705 i, vsi->bw_ets_share_credits[i],
706 vsi->bw_ets_limit_credits[i],
707 vsi->bw_ets_max_quanta[i]);
708 }
709}
710
711/**
712 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
713 * @pf: the i40e_pf created in command write
714 **/
715static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
716{
717 struct i40e_adminq_ring *ring;
718 struct i40e_hw *hw = &pf->hw;
719 int i;
720
721 /* first the send (command) ring, then the receive (event) ring */
722 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
723 ring = &(hw->aq.asq);
724 for (i = 0; i < ring->count; i++) {
725 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
726 dev_info(&pf->pdev->dev,
727 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
728 i, d->flags, d->opcode, d->datalen, d->retval,
729 d->cookie_high, d->cookie_low);
730 dev_info(&pf->pdev->dev,
731 " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
732 d->params.raw[0], d->params.raw[1], d->params.raw[2],
733 d->params.raw[3], d->params.raw[4], d->params.raw[5],
734 d->params.raw[6], d->params.raw[7], d->params.raw[8],
735 d->params.raw[9], d->params.raw[10], d->params.raw[11],
736 d->params.raw[12], d->params.raw[13],
737 d->params.raw[14], d->params.raw[15]);
738 }
739
740 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
741 ring = &(hw->aq.arq);
742 for (i = 0; i < ring->count; i++) {
743 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
744 dev_info(&pf->pdev->dev,
745 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
746 i, d->flags, d->opcode, d->datalen, d->retval,
747 d->cookie_high, d->cookie_low);
748 dev_info(&pf->pdev->dev,
749 " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
750 d->params.raw[0], d->params.raw[1], d->params.raw[2],
751 d->params.raw[3], d->params.raw[4], d->params.raw[5],
752 d->params.raw[6], d->params.raw[7], d->params.raw[8],
753 d->params.raw[9], d->params.raw[10], d->params.raw[11],
754 d->params.raw[12], d->params.raw[13],
755 d->params.raw[14], d->params.raw[15]);
756 }
757}
758
759/**
760 * i40e_dbg_dump_desc - handles dump desc write into command datum
761 * @cnt: number of arguments that the user supplied
762 * @vsi_seid: vsi id entered by user
763 * @ring_id: ring id entered by user
764 * @desc_n: descriptor number entered by user
765 * @pf: the i40e_pf created in command write
766 * @is_rx_ring: true if rx, false if tx
767 **/
768static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
769 struct i40e_pf *pf, bool is_rx_ring)
770{
771 union i40e_rx_desc *ds;
772 struct i40e_ring ring;
773 struct i40e_vsi *vsi;
774 int i;
775
776 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
777 if (!vsi) {
778 dev_info(&pf->pdev->dev,
779 "vsi %d not found\n", vsi_seid);
780 if (is_rx_ring)
781 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
782 else
783 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
784 return;
785 }
786 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
787 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
788 if (is_rx_ring)
789 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
790 else
791 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
792 return;
793 }
794 if (is_rx_ring)
795 ring = vsi->rx_rings[ring_id];
796 else
797 ring = vsi->tx_rings[ring_id];
798 if (cnt == 2) {
799 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
800 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
801 for (i = 0; i < ring.count; i++) {
802 if (is_rx_ring)
803 ds = I40E_RX_DESC(&ring, i);
804 else
805 ds = (union i40e_rx_desc *)
806 I40E_TX_DESC(&ring, i);
807 if ((sizeof(union i40e_rx_desc) ==
808 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
809 dev_info(&pf->pdev->dev,
810 " d[%03i] = 0x%016llx 0x%016llx\n", i,
811 ds->read.pkt_addr, ds->read.hdr_addr);
812 else
813 dev_info(&pf->pdev->dev,
814 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
815 i, ds->read.pkt_addr,
816 ds->read.hdr_addr,
817 ds->read.rsvd1, ds->read.rsvd2);
818 }
819 } else if (cnt == 3) {
820 if (desc_n >= ring.count || desc_n < 0) {
821 dev_info(&pf->pdev->dev,
822 "descriptor %d not found\n", desc_n);
823 return;
824 }
825 if (is_rx_ring)
826 ds = I40E_RX_DESC(&ring, desc_n);
827 else
828 ds = (union i40e_rx_desc *)I40E_TX_DESC(&ring, desc_n);
829 if ((sizeof(union i40e_rx_desc) ==
830 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
831 dev_info(&pf->pdev->dev,
832 "vsi = %02i %s ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
833 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id,
834 desc_n, ds->read.pkt_addr, ds->read.hdr_addr);
835 else
836 dev_info(&pf->pdev->dev,
837 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
838 vsi_seid, ring_id,
839 desc_n, ds->read.pkt_addr, ds->read.hdr_addr,
840 ds->read.rsvd1, ds->read.rsvd2);
841 } else {
842 if (is_rx_ring)
843 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
844 else
845 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
846 }
847}
848
849/**
850 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
851 * @pf: the i40e_pf created in command write
852 **/
853static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
854{
855 int i;
856
857 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
858 if (pf->vsi[i])
859 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
860 i, pf->vsi[i]->seid);
861}
862
863/**
864 * i40e_dbg_dump_stats - handles dump stats write into command datum
865 * @pf: the i40e_pf created in command write
866 * @estats: the eth stats structure to be dumped
867 **/
868static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
869 struct i40e_eth_stats *estats)
870{
871 dev_info(&pf->pdev->dev, " ethstats:\n");
872 dev_info(&pf->pdev->dev,
873 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
874 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
875 dev_info(&pf->pdev->dev,
876 " rx_broadcast = \t%lld \trx_discards = \t\t%lld \trx_errors = \t%lld\n",
877 estats->rx_broadcast, estats->rx_discards, estats->rx_errors);
878 dev_info(&pf->pdev->dev,
879 " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
880 estats->rx_missed, estats->rx_unknown_protocol,
881 estats->tx_bytes);
882 dev_info(&pf->pdev->dev,
883 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
884 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
885 dev_info(&pf->pdev->dev,
886 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
887 estats->tx_discards, estats->tx_errors);
888}
889
890/**
891 * i40e_dbg_dump_stats - handles dump stats write into command datum
892 * @pf: the i40e_pf created in command write
893 * @stats: the stats structure to be dumped
894 **/
895static void i40e_dbg_dump_stats(struct i40e_pf *pf,
896 struct i40e_hw_port_stats *stats)
897{
898 int i;
899
900 dev_info(&pf->pdev->dev, " stats:\n");
901 dev_info(&pf->pdev->dev,
902 " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n",
903 stats->crc_errors, stats->illegal_bytes, stats->error_bytes);
904 dev_info(&pf->pdev->dev,
905 " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n",
906 stats->mac_local_faults, stats->mac_remote_faults,
907 stats->rx_length_errors);
908 dev_info(&pf->pdev->dev,
909 " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n",
910 stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx);
911 dev_info(&pf->pdev->dev,
912 " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n",
913 stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127);
914 dev_info(&pf->pdev->dev,
915 " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n",
916 stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023);
917 dev_info(&pf->pdev->dev,
918 " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n",
919 stats->rx_size_big, stats->rx_undersize, stats->rx_jabber);
920 dev_info(&pf->pdev->dev,
921 " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n",
922 stats->rx_fragments, stats->rx_oversize, stats->tx_size_64);
923 dev_info(&pf->pdev->dev,
924 " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n",
925 stats->tx_size_127, stats->tx_size_255, stats->tx_size_511);
926 dev_info(&pf->pdev->dev,
927 " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n",
928 stats->tx_size_1023, stats->tx_size_big,
929 stats->mac_short_packet_dropped);
930 for (i = 0; i < 8; i += 4) {
931 dev_info(&pf->pdev->dev,
932 " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
933 i, stats->priority_xon_rx[i],
934 i+1, stats->priority_xon_rx[i+1],
935 i+2, stats->priority_xon_rx[i+2],
936 i+3, stats->priority_xon_rx[i+3]);
937 }
938 for (i = 0; i < 8; i += 4) {
939 dev_info(&pf->pdev->dev,
940 " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
941 i, stats->priority_xoff_rx[i],
942 i+1, stats->priority_xoff_rx[i+1],
943 i+2, stats->priority_xoff_rx[i+2],
944 i+3, stats->priority_xoff_rx[i+3]);
945 }
946 for (i = 0; i < 8; i += 4) {
947 dev_info(&pf->pdev->dev,
948 " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
949 i, stats->priority_xon_tx[i],
950 i+1, stats->priority_xon_tx[i+1],
951 i+2, stats->priority_xon_tx[i+2],
952 i+3, stats->priority_xon_rx[i+3]);
953 }
954 for (i = 0; i < 8; i += 4) {
955 dev_info(&pf->pdev->dev,
956 " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
957 i, stats->priority_xoff_tx[i],
958 i+1, stats->priority_xoff_tx[i+1],
959 i+2, stats->priority_xoff_tx[i+2],
960 i+3, stats->priority_xoff_tx[i+3]);
961 }
962 for (i = 0; i < 8; i += 4) {
963 dev_info(&pf->pdev->dev,
964 " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
965 i, stats->priority_xon_2_xoff[i],
966 i+1, stats->priority_xon_2_xoff[i+1],
967 i+2, stats->priority_xon_2_xoff[i+2],
968 i+3, stats->priority_xon_2_xoff[i+3]);
969 }
970
971 i40e_dbg_dump_eth_stats(pf, &stats->eth);
972}
973
974/**
975 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
976 * @pf: the i40e_pf created in command write
977 * @seid: the seid the user put in
978 **/
979static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
980{
981 struct i40e_veb *veb;
982
983 if ((seid < I40E_BASE_VEB_SEID) ||
984 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
985 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
986 return;
987 }
988
989 veb = i40e_dbg_find_veb(pf, seid);
990 if (!veb) {
991 dev_info(&pf->pdev->dev,
992 "%d: can't find veb\n", seid);
993 return;
994 }
995 dev_info(&pf->pdev->dev,
996 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
997 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
998 veb->uplink_seid);
999 i40e_dbg_dump_eth_stats(pf, &veb->stats);
1000}
1001
1002/**
1003 * i40e_dbg_dump_veb_all - dumps all known veb's stats
1004 * @pf: the i40e_pf created in command write
1005 **/
1006static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
1007{
1008 struct i40e_veb *veb;
1009 int i;
1010
1011 for (i = 0; i < I40E_MAX_VEB; i++) {
1012 veb = pf->veb[i];
1013 if (veb)
1014 i40e_dbg_dump_veb_seid(pf, veb->seid);
1015 }
1016}
1017
1018#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
1019/**
1020 * i40e_dbg_command_write - write into command datum
1021 * @filp: the opened file
1022 * @buffer: where to find the user's data
1023 * @count: the length of the user's data
1024 * @ppos: file position offset
1025 **/
1026static ssize_t i40e_dbg_command_write(struct file *filp,
1027 const char __user *buffer,
1028 size_t count, loff_t *ppos)
1029{
1030 struct i40e_pf *pf = filp->private_data;
1031 int bytes_not_copied;
1032 struct i40e_vsi *vsi;
1033 u8 *print_buf_start;
1034 u8 *print_buf;
1035 char *cmd_buf;
1036 int vsi_seid;
1037 int veb_seid;
1038 int cnt;
1039
1040 /* don't allow partial writes */
1041 if (*ppos != 0)
1042 return 0;
1043
1044 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
1045 if (!cmd_buf)
1046 return count;
1047 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
1048 if (bytes_not_copied < 0)
1049 return bytes_not_copied;
1050 if (bytes_not_copied > 0)
1051 count -= bytes_not_copied;
1052 cmd_buf[count] = '\0';
1053
1054 print_buf_start = kzalloc(I40E_MAX_DEBUG_OUT_BUFFER, GFP_KERNEL);
1055 if (!print_buf_start)
1056 goto command_write_done;
1057 print_buf = print_buf_start;
1058
1059 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1060 vsi_seid = -1;
1061 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1062 if (cnt == 0) {
1063 /* default to PF VSI */
1064 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1065 } else if (vsi_seid < 0) {
1066 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1067 vsi_seid);
1068 goto command_write_done;
1069 }
1070
1071 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1072 if (vsi)
1073 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1074 vsi->seid, vsi->uplink_seid);
1075 else
1076 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1077
1078 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1079 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1080 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1081 if (!vsi) {
1082 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1083 vsi_seid);
1084 goto command_write_done;
1085 }
1086
1087 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1088 i40e_vsi_release(vsi);
1089
1090 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1091 struct i40e_veb *veb;
1092 int uplink_seid, i;
1093
1094 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1095 if (cnt != 2) {
1096 dev_info(&pf->pdev->dev,
1097 "add relay: bad command string, cnt=%d\n",
1098 cnt);
1099 goto command_write_done;
1100 } else if (uplink_seid < 0) {
1101 dev_info(&pf->pdev->dev,
1102 "add relay %d: bad uplink seid\n",
1103 uplink_seid);
1104 goto command_write_done;
1105 }
1106
1107 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1108 if (!vsi) {
1109 dev_info(&pf->pdev->dev,
1110 "add relay: vsi VSI %d not found\n", vsi_seid);
1111 goto command_write_done;
1112 }
1113
1114 for (i = 0; i < I40E_MAX_VEB; i++)
1115 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1116 break;
1117 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1118 uplink_seid != pf->mac_seid) {
1119 dev_info(&pf->pdev->dev,
1120 "add relay: relay uplink %d not found\n",
1121 uplink_seid);
1122 goto command_write_done;
1123 }
1124
1125 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1126 vsi->tc_config.enabled_tc);
1127 if (veb)
1128 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1129 else
1130 dev_info(&pf->pdev->dev, "add relay failed\n");
1131
1132 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1133 int i;
1134 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1135 if (cnt != 1) {
1136 dev_info(&pf->pdev->dev,
1137 "del relay: bad command string, cnt=%d\n",
1138 cnt);
1139 goto command_write_done;
1140 } else if (veb_seid < 0) {
1141 dev_info(&pf->pdev->dev,
1142 "del relay %d: bad relay seid\n", veb_seid);
1143 goto command_write_done;
1144 }
1145
1146 /* find the veb */
1147 for (i = 0; i < I40E_MAX_VEB; i++)
1148 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1149 break;
1150 if (i >= I40E_MAX_VEB) {
1151 dev_info(&pf->pdev->dev,
1152 "del relay: relay %d not found\n", veb_seid);
1153 goto command_write_done;
1154 }
1155
1156 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1157 i40e_veb_release(pf->veb[i]);
1158
1159 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
1160 u8 ma[6];
1161 int vlan = 0;
1162 struct i40e_mac_filter *f;
1163 int ret;
1164
1165 cnt = sscanf(&cmd_buf[11],
1166 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1167 &vsi_seid,
1168 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1169 &vlan);
1170 if (cnt == 7) {
1171 vlan = 0;
1172 } else if (cnt != 8) {
1173 dev_info(&pf->pdev->dev,
1174 "add macaddr: bad command string, cnt=%d\n",
1175 cnt);
1176 goto command_write_done;
1177 }
1178
1179 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1180 if (!vsi) {
1181 dev_info(&pf->pdev->dev,
1182 "add macaddr: VSI %d not found\n", vsi_seid);
1183 goto command_write_done;
1184 }
1185
1186 f = i40e_add_filter(vsi, ma, vlan, false, false);
1187 ret = i40e_sync_vsi_filters(vsi);
1188 if (f && !ret)
1189 dev_info(&pf->pdev->dev,
1190 "add macaddr: %pM vlan=%d added to VSI %d\n",
1191 ma, vlan, vsi_seid);
1192 else
1193 dev_info(&pf->pdev->dev,
1194 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1195 ma, vlan, vsi_seid, f, ret);
1196
1197 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
1198 u8 ma[6];
1199 int vlan = 0;
1200 int ret;
1201
1202 cnt = sscanf(&cmd_buf[11],
1203 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1204 &vsi_seid,
1205 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1206 &vlan);
1207 if (cnt == 7) {
1208 vlan = 0;
1209 } else if (cnt != 8) {
1210 dev_info(&pf->pdev->dev,
1211 "del macaddr: bad command string, cnt=%d\n",
1212 cnt);
1213 goto command_write_done;
1214 }
1215
1216 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1217 if (!vsi) {
1218 dev_info(&pf->pdev->dev,
1219 "del macaddr: VSI %d not found\n", vsi_seid);
1220 goto command_write_done;
1221 }
1222
1223 i40e_del_filter(vsi, ma, vlan, false, false);
1224 ret = i40e_sync_vsi_filters(vsi);
1225 if (!ret)
1226 dev_info(&pf->pdev->dev,
1227 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1228 ma, vlan, vsi_seid);
1229 else
1230 dev_info(&pf->pdev->dev,
1231 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1232 ma, vlan, vsi_seid, ret);
1233
1234 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
1235 int v;
1236 u16 vid;
1237 i40e_status ret;
1238
1239 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1240 if (cnt != 2) {
1241 dev_info(&pf->pdev->dev,
1242 "add pvid: bad command string, cnt=%d\n", cnt);
1243 goto command_write_done;
1244 }
1245
1246 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1247 if (!vsi) {
1248 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1249 vsi_seid);
1250 goto command_write_done;
1251 }
1252
1253 vid = (unsigned)v;
1254 ret = i40e_vsi_add_pvid(vsi, vid);
1255 if (!ret)
1256 dev_info(&pf->pdev->dev,
1257 "add pvid: %d added to VSI %d\n",
1258 vid, vsi_seid);
1259 else
1260 dev_info(&pf->pdev->dev,
1261 "add pvid: %d to VSI %d failed, ret=%d\n",
1262 vid, vsi_seid, ret);
1263
1264 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1265
1266 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1267 if (cnt != 1) {
1268 dev_info(&pf->pdev->dev,
1269 "del pvid: bad command string, cnt=%d\n",
1270 cnt);
1271 goto command_write_done;
1272 }
1273
1274 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1275 if (!vsi) {
1276 dev_info(&pf->pdev->dev,
1277 "del pvid: VSI %d not found\n", vsi_seid);
1278 goto command_write_done;
1279 }
1280
1281 i40e_vsi_remove_pvid(vsi);
1282 dev_info(&pf->pdev->dev,
1283 "del pvid: removed from VSI %d\n", vsi_seid);
1284
1285 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1286 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1287 i40e_fetch_switch_configuration(pf, true);
1288 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1289 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1290 if (cnt > 0)
1291 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1292 else
1293 i40e_dbg_dump_vsi_no_seid(pf);
1294 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1295 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1296 if (cnt > 0)
1297 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1298 else
1299 i40e_dbg_dump_veb_all(pf);
1300 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1301 int ring_id, desc_n;
1302 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1303 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1304 &vsi_seid, &ring_id, &desc_n);
1305 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1306 desc_n, pf, true);
1307 } else if (strncmp(&cmd_buf[10], "tx", 2)
1308 == 0) {
1309 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1310 &vsi_seid, &ring_id, &desc_n);
1311 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1312 desc_n, pf, false);
1313 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1314 i40e_dbg_dump_aq_desc(pf);
1315 } else {
1316 dev_info(&pf->pdev->dev,
1317 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1318 dev_info(&pf->pdev->dev,
1319 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1320 dev_info(&pf->pdev->dev, "dump desc aq\n");
1321 }
1322 } else if (strncmp(&cmd_buf[5], "stats", 5) == 0) {
1323 dev_info(&pf->pdev->dev, "pf stats:\n");
1324 i40e_dbg_dump_stats(pf, &pf->stats);
1325 dev_info(&pf->pdev->dev, "pf stats_offsets:\n");
1326 i40e_dbg_dump_stats(pf, &pf->stats_offsets);
1327 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1328 dev_info(&pf->pdev->dev,
1329 "core reset count: %d\n", pf->corer_count);
1330 dev_info(&pf->pdev->dev,
1331 "global reset count: %d\n", pf->globr_count);
1332 dev_info(&pf->pdev->dev,
1333 "emp reset count: %d\n", pf->empr_count);
1334 dev_info(&pf->pdev->dev,
1335 "pf reset count: %d\n", pf->pfr_count);
1336 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1337 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1338 struct i40e_dcbx_config *cfg =
1339 &pf->hw.local_dcbx_config;
1340 struct i40e_dcbx_config *r_cfg =
1341 &pf->hw.remote_dcbx_config;
1342 int i, ret;
1343
1344 bw_data = kzalloc(sizeof(
1345 struct i40e_aqc_query_port_ets_config_resp),
1346 GFP_KERNEL);
1347 if (!bw_data) {
1348 ret = -ENOMEM;
1349 goto command_write_done;
1350 }
1351
1352 ret = i40e_aq_query_port_ets_config(&pf->hw,
1353 pf->mac_seid,
1354 bw_data, NULL);
1355 if (ret) {
1356 dev_info(&pf->pdev->dev,
1357 "Query Port ETS Config AQ command failed =0x%x\n",
1358 pf->hw.aq.asq_last_status);
1359 kfree(bw_data);
1360 bw_data = NULL;
1361 goto command_write_done;
1362 }
1363 dev_info(&pf->pdev->dev,
1364 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1365 bw_data->tc_valid_bits,
1366 bw_data->tc_strict_priority_bits,
1367 le16_to_cpu(bw_data->tc_bw_max[0]),
1368 le16_to_cpu(bw_data->tc_bw_max[1]));
1369 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1370 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1371 bw_data->tc_bw_share_credits[i],
1372 le16_to_cpu(bw_data->tc_bw_limits[i]));
1373 }
1374
1375 kfree(bw_data);
1376 bw_data = NULL;
1377
1378 dev_info(&pf->pdev->dev,
1379 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1380 cfg->etscfg.willing, cfg->etscfg.cbs,
1381 cfg->etscfg.maxtcs);
1382 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1383 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1384 i, cfg->etscfg.prioritytable[i],
1385 cfg->etscfg.tcbwtable[i],
1386 cfg->etscfg.tsatable[i]);
1387 }
1388 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1389 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1390 i, cfg->etsrec.prioritytable[i],
1391 cfg->etsrec.tcbwtable[i],
1392 cfg->etsrec.tsatable[i]);
1393 }
1394 dev_info(&pf->pdev->dev,
1395 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1396 cfg->pfc.willing, cfg->pfc.mbc,
1397 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1398 dev_info(&pf->pdev->dev,
1399 "port app_table: num_apps=%d\n", cfg->numapps);
1400 for (i = 0; i < cfg->numapps; i++) {
1401 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1402 i, cfg->app[i].priority,
1403 cfg->app[i].selector,
1404 cfg->app[i].protocolid);
1405 }
1406 /* Peer TLV DCBX data */
1407 dev_info(&pf->pdev->dev,
1408 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1409 r_cfg->etscfg.willing,
1410 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1411 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1412 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1413 i, r_cfg->etscfg.prioritytable[i],
1414 r_cfg->etscfg.tcbwtable[i],
1415 r_cfg->etscfg.tsatable[i]);
1416 }
1417 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1418 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1419 i, r_cfg->etsrec.prioritytable[i],
1420 r_cfg->etsrec.tcbwtable[i],
1421 r_cfg->etsrec.tsatable[i]);
1422 }
1423 dev_info(&pf->pdev->dev,
1424 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1425 r_cfg->pfc.willing,
1426 r_cfg->pfc.mbc,
1427 r_cfg->pfc.pfccap,
1428 r_cfg->pfc.pfcenable);
1429 dev_info(&pf->pdev->dev,
1430 "remote port app_table: num_apps=%d\n",
1431 r_cfg->numapps);
1432 for (i = 0; i < r_cfg->numapps; i++) {
1433 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1434 i, r_cfg->app[i].priority,
1435 r_cfg->app[i].selector,
1436 r_cfg->app[i].protocolid);
1437 }
1438 } else {
1439 dev_info(&pf->pdev->dev,
1440 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1441 dev_info(&pf->pdev->dev, "dump switch, dump vsi [seid] or\n");
1442 dev_info(&pf->pdev->dev, "dump stats\n");
1443 dev_info(&pf->pdev->dev, "dump reset stats\n");
1444 dev_info(&pf->pdev->dev, "dump port\n");
1445 dev_info(&pf->pdev->dev,
1446 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1447 }
1448
1449 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1450 u32 level;
1451 cnt = sscanf(&cmd_buf[10], "%i", &level);
1452 if (cnt) {
1453 if (I40E_DEBUG_USER & level) {
1454 pf->hw.debug_mask = level;
1455 dev_info(&pf->pdev->dev,
1456 "set hw.debug_mask = 0x%08x\n",
1457 pf->hw.debug_mask);
1458 }
1459 pf->msg_enable = level;
1460 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1461 pf->msg_enable);
1462 } else {
1463 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1464 pf->msg_enable);
1465 }
1466 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1467 dev_info(&pf->pdev->dev, "forcing PFR\n");
1468 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
1469
1470 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1471 dev_info(&pf->pdev->dev, "forcing CoreR\n");
1472 i40e_do_reset(pf, (1 << __I40E_CORE_RESET_REQUESTED));
1473
1474 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1475 dev_info(&pf->pdev->dev, "forcing GlobR\n");
1476 i40e_do_reset(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
1477
1478 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1479 u32 address;
1480 u32 value;
1481 cnt = sscanf(&cmd_buf[4], "%x", &address);
1482 if (cnt != 1) {
1483 dev_info(&pf->pdev->dev, "read <reg>\n");
1484 goto command_write_done;
1485 }
1486
1487 /* check the range on address */
1488 if (address >= I40E_MAX_REGISTER) {
1489 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1490 address);
1491 goto command_write_done;
1492 }
1493
1494 value = rd32(&pf->hw, address);
1495 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1496 address, value);
1497
1498 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1499 u32 address, value;
1500 cnt = sscanf(&cmd_buf[5], "%x %x", &address, &value);
1501 if (cnt != 2) {
1502 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1503 goto command_write_done;
1504 }
1505
1506 /* check the range on address */
1507 if (address >= I40E_MAX_REGISTER) {
1508 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1509 address);
1510 goto command_write_done;
1511 }
1512 wr32(&pf->hw, address, value);
1513 value = rd32(&pf->hw, address);
1514 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1515 address, value);
1516 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1517 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1518 cnt = sscanf(&cmd_buf[15], "%d", &vsi_seid);
1519 if (cnt == 0) {
1520 int i;
1521 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
1522 i40e_vsi_reset_stats(pf->vsi[i]);
1523 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1524 } else if (cnt == 1) {
1525 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1526 if (!vsi) {
1527 dev_info(&pf->pdev->dev,
1528 "clear_stats vsi: bad vsi %d\n",
1529 vsi_seid);
1530 goto command_write_done;
1531 }
1532 i40e_vsi_reset_stats(vsi);
1533 dev_info(&pf->pdev->dev,
1534 "vsi clear stats called for vsi %d\n",
1535 vsi_seid);
1536 } else {
1537 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1538 }
1539 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) {
1540 i40e_pf_reset_stats(pf);
1541 dev_info(&pf->pdev->dev, "pf clear stats called\n");
1542 } else {
1543 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
1544 }
1545 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1546 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1547 struct i40e_fdir_data fd_data;
1548 int ret;
1549 u16 packet_len, i, j = 0;
1550 char *asc_packet;
1551 bool add = false;
1552
1553 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1554 GFP_KERNEL);
1555 if (!asc_packet)
1556 goto command_write_done;
1557
1558 fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1559 GFP_KERNEL);
1560
1561 if (!fd_data.raw_packet) {
1562 kfree(asc_packet);
1563 asc_packet = NULL;
1564 goto command_write_done;
1565 }
1566
1567 if (strncmp(cmd_buf, "add", 3) == 0)
1568 add = true;
1569 cnt = sscanf(&cmd_buf[13],
1570 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %512s",
1571 &fd_data.q_index,
1572 &fd_data.flex_off, &fd_data.pctype,
1573 &fd_data.dest_vsi, &fd_data.dest_ctl,
1574 &fd_data.fd_status, &fd_data.cnt_index,
1575 &fd_data.fd_id, &packet_len, asc_packet);
1576 if (cnt != 10) {
1577 dev_info(&pf->pdev->dev,
1578 "program fd_filter: bad command string, cnt=%d\n",
1579 cnt);
1580 kfree(asc_packet);
1581 asc_packet = NULL;
1582 kfree(fd_data.raw_packet);
1583 goto command_write_done;
1584 }
1585
1586 /* fix packet length if user entered 0 */
1587 if (packet_len == 0)
1588 packet_len = I40E_FDIR_MAX_RAW_PACKET_LOOKUP;
1589
1590 /* make sure to check the max as well */
1591 packet_len = min_t(u16,
1592 packet_len, I40E_FDIR_MAX_RAW_PACKET_LOOKUP);
1593
1594 dev_info(&pf->pdev->dev, "FD raw packet:\n");
1595 for (i = 0; i < packet_len; i++) {
1596 sscanf(&asc_packet[j], "%2hhx ",
1597 &fd_data.raw_packet[i]);
1598 j += 3;
1599 snprintf(print_buf, 3, "%02x ", fd_data.raw_packet[i]);
1600 print_buf += 3;
1601 if ((i % 16) == 15) {
1602 snprintf(print_buf, 1, "\n");
1603 print_buf++;
1604 }
1605 }
1606 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1607 ret = i40e_program_fdir_filter(&fd_data, pf, add);
1608 if (!ret) {
1609 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1610 } else {
1611 dev_info(&pf->pdev->dev,
1612 "Filter command send failed %d\n", ret);
1613 }
1614 kfree(fd_data.raw_packet);
1615 fd_data.raw_packet = NULL;
1616 kfree(asc_packet);
1617 asc_packet = NULL;
1618 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1619 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1620 int ret;
1621 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1622 if (ret) {
1623 dev_info(&pf->pdev->dev,
1624 "Stop LLDP AQ command failed =0x%x\n",
1625 pf->hw.aq.asq_last_status);
1626 goto command_write_done;
1627 }
1628 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1629 int ret;
1630 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1631 if (ret) {
1632 dev_info(&pf->pdev->dev,
1633 "Start LLDP AQ command failed =0x%x\n",
1634 pf->hw.aq.asq_last_status);
1635 goto command_write_done;
1636 }
1637 } else if (strncmp(&cmd_buf[5],
1638 "get local", 9) == 0) {
1639 int ret, i;
1640 u8 *buff;
1641 u16 llen, rlen;
1642 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1643 if (!buff)
1644 goto command_write_done;
1645
1646 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1647 I40E_AQ_LLDP_MIB_LOCAL,
1648 buff, I40E_LLDPDU_SIZE,
1649 &llen, &rlen, NULL);
1650 if (ret) {
1651 dev_info(&pf->pdev->dev,
1652 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1653 pf->hw.aq.asq_last_status);
1654 kfree(buff);
1655 buff = NULL;
1656 goto command_write_done;
1657 }
1658 dev_info(&pf->pdev->dev,
1659 "Get LLDP MIB (local) AQ buffer written back:\n");
1660 for (i = 0; i < I40E_LLDPDU_SIZE; i++) {
1661 snprintf(print_buf, 3, "%02x ", buff[i]);
1662 print_buf += 3;
1663 if ((i % 16) == 15) {
1664 snprintf(print_buf, 1, "\n");
1665 print_buf++;
1666 }
1667 }
1668 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1669 kfree(buff);
1670 buff = NULL;
1671 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1672 int ret, i;
1673 u8 *buff;
1674 u16 llen, rlen;
1675 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1676 if (!buff)
1677 goto command_write_done;
1678
1679 ret = i40e_aq_get_lldp_mib(&pf->hw,
1680 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1681 I40E_AQ_LLDP_MIB_LOCAL,
1682 buff, I40E_LLDPDU_SIZE,
1683 &llen, &rlen, NULL);
1684 if (ret) {
1685 dev_info(&pf->pdev->dev,
1686 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1687 pf->hw.aq.asq_last_status);
1688 kfree(buff);
1689 buff = NULL;
1690 goto command_write_done;
1691 }
1692 dev_info(&pf->pdev->dev,
1693 "Get LLDP MIB (remote) AQ buffer written back:\n");
1694 for (i = 0; i < I40E_LLDPDU_SIZE; i++) {
1695 snprintf(print_buf, 3, "%02x ", buff[i]);
1696 print_buf += 3;
1697 if ((i % 16) == 15) {
1698 snprintf(print_buf, 1, "\n");
1699 print_buf++;
1700 }
1701 }
1702 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1703 kfree(buff);
1704 buff = NULL;
1705 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1706 int ret;
1707 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1708 true, NULL);
1709 if (ret) {
1710 dev_info(&pf->pdev->dev,
1711 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1712 pf->hw.aq.asq_last_status);
1713 goto command_write_done;
1714 }
1715 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1716 int ret;
1717 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1718 false, NULL);
1719 if (ret) {
1720 dev_info(&pf->pdev->dev,
1721 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1722 pf->hw.aq.asq_last_status);
1723 goto command_write_done;
1724 }
1725 }
1726 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1727 u16 buffer_len, i, bytes;
1728 u16 module;
1729 u32 offset;
1730 u16 *buff;
1731 int ret;
1732
1733 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1734 &module, &offset, &buffer_len);
1735 if (cnt == 0) {
1736 module = 0;
1737 offset = 0;
1738 buffer_len = 0;
1739 } else if (cnt == 1) {
1740 offset = 0;
1741 buffer_len = 0;
1742 } else if (cnt == 2) {
1743 buffer_len = 0;
1744 } else if (cnt > 3) {
1745 dev_info(&pf->pdev->dev,
1746 "nvm read: bad command string, cnt=%d\n", cnt);
1747 goto command_write_done;
1748 }
1749
1750 /* Read at least 512 words */
1751 if (buffer_len == 0)
1752 buffer_len = 512;
1753
1754 bytes = 2 * buffer_len;
1755 buff = kzalloc(bytes, GFP_KERNEL);
1756 if (!buff)
1757 goto command_write_done;
1758
1759 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1760 if (ret) {
1761 dev_info(&pf->pdev->dev,
1762 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1763 ret, pf->hw.aq.asq_last_status);
1764 kfree(buff);
1765 goto command_write_done;
1766 }
1767
1768 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1769 bytes, (u8 *)buff, true, NULL);
1770 i40e_release_nvm(&pf->hw);
1771 if (ret) {
1772 dev_info(&pf->pdev->dev,
1773 "Read NVM AQ failed err=%d status=0x%x\n",
1774 ret, pf->hw.aq.asq_last_status);
1775 } else {
1776 dev_info(&pf->pdev->dev,
1777 "Read NVM module=0x%x offset=0x%x words=%d\n",
1778 module, offset, buffer_len);
1779 for (i = 0; i < buffer_len; i++) {
1780 if ((i % 16) == 0) {
1781 snprintf(print_buf, 11, "\n0x%08x: ",
1782 offset + i);
1783 print_buf += 11;
1784 }
1785 snprintf(print_buf, 5, "%04x ", buff[i]);
1786 print_buf += 5;
1787 }
1788 dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
1789 }
1790 kfree(buff);
1791 buff = NULL;
1792 } else {
1793 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1794 dev_info(&pf->pdev->dev, "available commands\n");
1795 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1796 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1797 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1798 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1799 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1800 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1801 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1802 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1803 dev_info(&pf->pdev->dev, " dump switch\n");
1804 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1805 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1806 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1807 dev_info(&pf->pdev->dev, " dump desc aq\n");
1808 dev_info(&pf->pdev->dev, " dump stats\n");
1809 dev_info(&pf->pdev->dev, " dump reset stats\n");
1810 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1811 dev_info(&pf->pdev->dev, " read <reg>\n");
1812 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1813 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1814 dev_info(&pf->pdev->dev, " clear_stats pf\n");
1815 dev_info(&pf->pdev->dev, " pfr\n");
1816 dev_info(&pf->pdev->dev, " corer\n");
1817 dev_info(&pf->pdev->dev, " globr\n");
1818 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");
1819 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");
1820 dev_info(&pf->pdev->dev, " lldp start\n");
1821 dev_info(&pf->pdev->dev, " lldp stop\n");
1822 dev_info(&pf->pdev->dev, " lldp get local\n");
1823 dev_info(&pf->pdev->dev, " lldp get remote\n");
1824 dev_info(&pf->pdev->dev, " lldp event on\n");
1825 dev_info(&pf->pdev->dev, " lldp event off\n");
1826 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1827 }
1828
1829command_write_done:
1830 kfree(cmd_buf);
1831 cmd_buf = NULL;
1832 kfree(print_buf_start);
1833 print_buf = NULL;
1834 print_buf_start = NULL;
1835 return count;
1836}
1837
1838static const struct file_operations i40e_dbg_command_fops = {
1839 .owner = THIS_MODULE,
1840 .open = simple_open,
1841 .read = i40e_dbg_command_read,
1842 .write = i40e_dbg_command_write,
1843};
1844
1845/**************************************************************
1846 * netdev_ops
1847 * The netdev_ops entry in debugfs is for giving the driver commands
1848 * to be executed from the netdev operations.
1849 **************************************************************/
1850static char i40e_dbg_netdev_ops_buf[256] = "hello world";
1851
1852/**
1853 * i40e_dbg_netdev_ops - read for netdev_ops datum
1854 * @filp: the opened file
1855 * @buffer: where to write the data for the user to read
1856 * @count: the size of the user's buffer
1857 * @ppos: file position offset
1858 **/
1859static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1860 size_t count, loff_t *ppos)
1861{
1862 struct i40e_pf *pf = filp->private_data;
1863 int bytes_not_copied;
1864 int buf_size = 256;
1865 char *buf;
1866 int len;
1867
1868 /* don't allow partal reads */
1869 if (*ppos != 0)
1870 return 0;
1871 if (count < buf_size)
1872 return -ENOSPC;
1873
1874 buf = kzalloc(buf_size, GFP_KERNEL);
1875 if (!buf)
1876 return -ENOSPC;
1877
1878 len = snprintf(buf, buf_size, "%s: %s\n",
1879 pf->vsi[pf->lan_vsi]->netdev->name,
1880 i40e_dbg_netdev_ops_buf);
1881
1882 bytes_not_copied = copy_to_user(buffer, buf, len);
1883 kfree(buf);
1884
1885 if (bytes_not_copied < 0)
1886 return bytes_not_copied;
1887
1888 *ppos = len;
1889 return len;
1890}
1891
1892/**
1893 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1894 * @filp: the opened file
1895 * @buffer: where to find the user's data
1896 * @count: the length of the user's data
1897 * @ppos: file position offset
1898 **/
1899static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1900 const char __user *buffer,
1901 size_t count, loff_t *ppos)
1902{
1903 struct i40e_pf *pf = filp->private_data;
1904 int bytes_not_copied;
1905 struct i40e_vsi *vsi;
1906 int vsi_seid;
1907 int i, cnt;
1908
1909 /* don't allow partial writes */
1910 if (*ppos != 0)
1911 return 0;
1912 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1913 return -ENOSPC;
1914
1915 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1916 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1917 buffer, count);
1918 if (bytes_not_copied < 0)
1919 return bytes_not_copied;
1920 else if (bytes_not_copied > 0)
1921 count -= bytes_not_copied;
1922 i40e_dbg_netdev_ops_buf[count] = '\0';
1923
1924 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1925 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1926 if (cnt != 1) {
1927 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1928 goto netdev_ops_write_done;
1929 }
1930 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1931 if (!vsi) {
1932 dev_info(&pf->pdev->dev,
1933 "tx_timeout: VSI %d not found\n", vsi_seid);
1934 goto netdev_ops_write_done;
1935 }
1936 if (rtnl_trylock()) {
1937 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1938 rtnl_unlock();
1939 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1940 } else {
1941 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1942 }
1943 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1944 int mtu;
1945 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1946 &vsi_seid, &mtu);
1947 if (cnt != 2) {
1948 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1949 goto netdev_ops_write_done;
1950 }
1951 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1952 if (!vsi) {
1953 dev_info(&pf->pdev->dev,
1954 "change_mtu: VSI %d not found\n", vsi_seid);
1955 goto netdev_ops_write_done;
1956 }
1957 if (rtnl_trylock()) {
1958 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1959 mtu);
1960 rtnl_unlock();
1961 dev_info(&pf->pdev->dev, "change_mtu called\n");
1962 } else {
1963 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1964 }
1965
1966 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1967 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1968 if (cnt != 1) {
1969 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1970 goto netdev_ops_write_done;
1971 }
1972 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1973 if (!vsi) {
1974 dev_info(&pf->pdev->dev,
1975 "set_rx_mode: VSI %d not found\n", vsi_seid);
1976 goto netdev_ops_write_done;
1977 }
1978 if (rtnl_trylock()) {
1979 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1980 rtnl_unlock();
1981 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1982 } else {
1983 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1984 }
1985
1986 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1987 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1988 if (cnt != 1) {
1989 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1990 goto netdev_ops_write_done;
1991 }
1992 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1993 if (!vsi) {
1994 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1995 vsi_seid);
1996 goto netdev_ops_write_done;
1997 }
1998 for (i = 0; i < vsi->num_q_vectors; i++)
1999 napi_schedule(&vsi->q_vectors[i].napi);
2000 dev_info(&pf->pdev->dev, "napi called\n");
2001 } else {
2002 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2003 i40e_dbg_netdev_ops_buf);
2004 dev_info(&pf->pdev->dev, "available commands\n");
2005 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2006 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2007 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2008 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2009 }
2010netdev_ops_write_done:
2011 return count;
2012}
2013
2014static const struct file_operations i40e_dbg_netdev_ops_fops = {
2015 .owner = THIS_MODULE,
2016 .open = simple_open,
2017 .read = i40e_dbg_netdev_ops_read,
2018 .write = i40e_dbg_netdev_ops_write,
2019};
2020
2021/**
2022 * i40e_dbg_pf_init - setup the debugfs directory for the pf
2023 * @pf: the pf that is starting up
2024 **/
2025void i40e_dbg_pf_init(struct i40e_pf *pf)
2026{
2027 struct dentry *pfile __attribute__((unused));
2028 const char *name = pci_name(pf->pdev);
2029
2030 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
2031 if (pf->i40e_dbg_pf) {
2032 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf,
2033 pf, &i40e_dbg_command_fops);
2034 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2035 &i40e_dbg_dump_fops);
2036 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf,
2037 pf, &i40e_dbg_netdev_ops_fops);
2038 } else {
2039 dev_info(&pf->pdev->dev,
2040 "debugfs entry for %s failed\n", name);
2041 }
2042}
2043
2044/**
2045 * i40e_dbg_pf_exit - clear out the pf's debugfs entries
2046 * @pf: the pf that is stopping
2047 **/
2048void i40e_dbg_pf_exit(struct i40e_pf *pf)
2049{
2050 debugfs_remove_recursive(pf->i40e_dbg_pf);
2051 pf->i40e_dbg_pf = NULL;
2052
2053 kfree(i40e_dbg_dump_buf);
2054 i40e_dbg_dump_buf = NULL;
2055}
2056
2057/**
2058 * i40e_dbg_init - start up debugfs for the driver
2059 **/
2060void i40e_dbg_init(void)
2061{
2062 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2063 if (!i40e_dbg_root)
2064 pr_info("init of debugfs failed\n");
2065}
2066
2067/**
2068 * i40e_dbg_exit - clean out the driver's debugfs entries
2069 **/
2070void i40e_dbg_exit(void)
2071{
2072 debugfs_remove_recursive(i40e_dbg_root);
2073 i40e_dbg_root = NULL;
2074}
2075
2076#endif /* CONFIG_DEBUG_FS */
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-06 02:48:47 -0400