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i40e: Fix inconsistent use of PF/VF vs pf/vf
[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_debugfs.c
1 /*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2014 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
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
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
34 static struct dentry *i40e_dbg_root;
35
36 /**
37 * i40e_dbg_find_vsi - searches for the vsi with the given seid
38 * @pf - the PF structure to search for the vsi
39 * @seid - seid of the vsi it is searching for
40 **/
41 static 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
48 for (i = 0; i < pf->num_alloc_vsi; i++)
49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
50 return pf->vsi[i];
51
52 return NULL;
53 }
54
55 /**
56 * i40e_dbg_find_veb - searches for the veb with the given seid
57 * @pf - the PF structure to search for the veb
58 * @seid - seid of the veb it is searching for
59 **/
60 static 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 **************************************************************/
81 static char *i40e_dbg_dump_buf;
82 static ssize_t i40e_dbg_dump_data_len;
83 static 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 **/
92 static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer,
93 size_t count, loff_t *ppos)
94 {
95 int bytes_not_copied;
96 int len;
97
98 /* is *ppos bigger than the available data? */
99 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
100 return 0;
101
102 /* be sure to not read beyond the end of available data */
103 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
104
105 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
106 if (bytes_not_copied < 0)
107 return bytes_not_copied;
108
109 *ppos += len;
110 return len;
111 }
112
113 /**
114 * i40e_dbg_prep_dump_buf
115 * @pf: the PF we're working with
116 * @buflen: the desired buffer length
117 *
118 * Return positive if success, 0 if failed
119 **/
120 static 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 **/
148 static 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;
153 bool seid_found = false;
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;
163
164 /* decode the SEID given to be dumped */
165 ret = kstrtol_from_user(buffer, count, 0, &seid);
166
167 if (ret) {
168 dev_info(&pf->pdev->dev, "bad seid value\n");
169 } else if (seid == 0) {
170 seid_found = true;
171
172 kfree(i40e_dbg_dump_buf);
173 i40e_dbg_dump_buffer_len = 0;
174 i40e_dbg_dump_data_len = 0;
175 i40e_dbg_dump_buf = NULL;
176 dev_info(&pf->pdev->dev, "debug buffer freed\n");
177
178 } else if (seid == pf->pf_seid || seid == 1) {
179 seid_found = true;
180
181 buflen = sizeof(struct i40e_pf);
182 buflen += (sizeof(struct i40e_aq_desc)
183 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries));
184
185 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
186 p = i40e_dbg_dump_buf;
187
188 len = sizeof(struct i40e_pf);
189 memcpy(p, pf, len);
190 p += len;
191
192 len = (sizeof(struct i40e_aq_desc)
193 * pf->hw.aq.num_asq_entries);
194 memcpy(p, pf->hw.aq.asq.desc_buf.va, len);
195 p += len;
196
197 len = (sizeof(struct i40e_aq_desc)
198 * pf->hw.aq.num_arq_entries);
199 memcpy(p, pf->hw.aq.arq.desc_buf.va, len);
200 p += len;
201
202 i40e_dbg_dump_data_len = buflen;
203 dev_info(&pf->pdev->dev,
204 "PF seid %ld dumped %d bytes\n",
205 seid, (int)i40e_dbg_dump_data_len);
206 }
207 } else if (seid >= I40E_BASE_VSI_SEID) {
208 struct i40e_vsi *vsi = NULL;
209 struct i40e_mac_filter *f;
210 int filter_count = 0;
211
212 mutex_lock(&pf->switch_mutex);
213 vsi = i40e_dbg_find_vsi(pf, seid);
214 if (!vsi) {
215 mutex_unlock(&pf->switch_mutex);
216 goto write_exit;
217 }
218
219 buflen = sizeof(struct i40e_vsi);
220 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
221 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
222 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
223 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
224 list_for_each_entry(f, &vsi->mac_filter_list, list)
225 filter_count++;
226 buflen += sizeof(struct i40e_mac_filter) * filter_count;
227
228 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
229 p = i40e_dbg_dump_buf;
230 seid_found = true;
231
232 len = sizeof(struct i40e_vsi);
233 memcpy(p, vsi, len);
234 p += len;
235
236 if (vsi->num_q_vectors) {
237 len = (sizeof(struct i40e_q_vector)
238 * vsi->num_q_vectors);
239 memcpy(p, vsi->q_vectors, len);
240 p += len;
241 }
242
243 if (vsi->num_queue_pairs) {
244 len = (sizeof(struct i40e_ring) *
245 vsi->num_queue_pairs);
246 memcpy(p, vsi->tx_rings, len);
247 p += len;
248 memcpy(p, vsi->rx_rings, len);
249 p += len;
250 }
251
252 if (vsi->tx_rings[0]) {
253 len = sizeof(struct i40e_tx_buffer);
254 for (i = 0; i < vsi->num_queue_pairs; i++) {
255 memcpy(p, vsi->tx_rings[i]->tx_bi, len);
256 p += len;
257 }
258 len = sizeof(struct i40e_rx_buffer);
259 for (i = 0; i < vsi->num_queue_pairs; i++) {
260 memcpy(p, vsi->rx_rings[i]->rx_bi, len);
261 p += len;
262 }
263 }
264
265 /* macvlan filter list */
266 len = sizeof(struct i40e_mac_filter);
267 list_for_each_entry(f, &vsi->mac_filter_list, list) {
268 memcpy(p, f, len);
269 p += len;
270 }
271
272 i40e_dbg_dump_data_len = buflen;
273 dev_info(&pf->pdev->dev,
274 "VSI seid %ld dumped %d bytes\n",
275 seid, (int)i40e_dbg_dump_data_len);
276 }
277 mutex_unlock(&pf->switch_mutex);
278 } else if (seid >= I40E_BASE_VEB_SEID) {
279 struct i40e_veb *veb = NULL;
280
281 mutex_lock(&pf->switch_mutex);
282 veb = i40e_dbg_find_veb(pf, seid);
283 if (!veb) {
284 mutex_unlock(&pf->switch_mutex);
285 goto write_exit;
286 }
287
288 buflen = sizeof(struct i40e_veb);
289 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
290 seid_found = true;
291 memcpy(i40e_dbg_dump_buf, veb, buflen);
292 i40e_dbg_dump_data_len = buflen;
293 dev_info(&pf->pdev->dev,
294 "VEB seid %ld dumped %d bytes\n",
295 seid, (int)i40e_dbg_dump_data_len);
296 }
297 mutex_unlock(&pf->switch_mutex);
298 }
299
300 write_exit:
301 if (!seid_found)
302 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
303
304 return count;
305 }
306
307 static const struct file_operations i40e_dbg_dump_fops = {
308 .owner = THIS_MODULE,
309 .open = simple_open,
310 .read = i40e_dbg_dump_read,
311 .write = i40e_dbg_dump_write,
312 };
313
314 /**************************************************************
315 * command
316 * The command entry in debugfs is for giving the driver commands
317 * to be executed - these may be for changing the internal switch
318 * setup, adding or removing filters, or other things. Many of
319 * these will be useful for some forms of unit testing.
320 **************************************************************/
321 static char i40e_dbg_command_buf[256] = "";
322
323 /**
324 * i40e_dbg_command_read - read for command datum
325 * @filp: the opened file
326 * @buffer: where to write the data for the user to read
327 * @count: the size of the user's buffer
328 * @ppos: file position offset
329 **/
330 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
331 size_t count, loff_t *ppos)
332 {
333 struct i40e_pf *pf = filp->private_data;
334 int bytes_not_copied;
335 int buf_size = 256;
336 char *buf;
337 int len;
338
339 /* don't allow partial reads */
340 if (*ppos != 0)
341 return 0;
342 if (count < buf_size)
343 return -ENOSPC;
344
345 buf = kzalloc(buf_size, GFP_KERNEL);
346 if (!buf)
347 return -ENOSPC;
348
349 len = snprintf(buf, buf_size, "%s: %s\n",
350 pf->vsi[pf->lan_vsi]->netdev->name,
351 i40e_dbg_command_buf);
352
353 bytes_not_copied = copy_to_user(buffer, buf, len);
354 kfree(buf);
355
356 if (bytes_not_copied < 0)
357 return bytes_not_copied;
358
359 *ppos = len;
360 return len;
361 }
362
363 /**
364 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
365 * @pf: the i40e_pf created in command write
366 * @seid: the seid the user put in
367 **/
368 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
369 {
370 struct rtnl_link_stats64 *nstat;
371 struct i40e_mac_filter *f;
372 struct i40e_vsi *vsi;
373 int i;
374
375 vsi = i40e_dbg_find_vsi(pf, seid);
376 if (!vsi) {
377 dev_info(&pf->pdev->dev,
378 "dump %d: seid not found\n", seid);
379 return;
380 }
381 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
382 if (vsi->netdev)
383 dev_info(&pf->pdev->dev,
384 " netdev: name = %s\n",
385 vsi->netdev->name);
386 if (vsi->active_vlans)
387 dev_info(&pf->pdev->dev,
388 " vlgrp: & = %p\n", vsi->active_vlans);
389 dev_info(&pf->pdev->dev,
390 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n",
391 vsi->netdev_registered,
392 vsi->current_netdev_flags, vsi->state, vsi->flags);
393 list_for_each_entry(f, &vsi->mac_filter_list, list) {
394 dev_info(&pf->pdev->dev,
395 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
396 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
397 f->counter);
398 }
399 nstat = i40e_get_vsi_stats_struct(vsi);
400 dev_info(&pf->pdev->dev,
401 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
402 (long unsigned int)nstat->rx_packets,
403 (long unsigned int)nstat->rx_bytes,
404 (long unsigned int)nstat->rx_errors,
405 (long unsigned int)nstat->rx_dropped);
406 dev_info(&pf->pdev->dev,
407 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
408 (long unsigned int)nstat->tx_packets,
409 (long unsigned int)nstat->tx_bytes,
410 (long unsigned int)nstat->tx_errors,
411 (long unsigned int)nstat->tx_dropped);
412 dev_info(&pf->pdev->dev,
413 " net_stats: multicast = %lu, collisions = %lu\n",
414 (long unsigned int)nstat->multicast,
415 (long unsigned int)nstat->collisions);
416 dev_info(&pf->pdev->dev,
417 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
418 (long unsigned int)nstat->rx_length_errors,
419 (long unsigned int)nstat->rx_over_errors,
420 (long unsigned int)nstat->rx_crc_errors);
421 dev_info(&pf->pdev->dev,
422 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
423 (long unsigned int)nstat->rx_frame_errors,
424 (long unsigned int)nstat->rx_fifo_errors,
425 (long unsigned int)nstat->rx_missed_errors);
426 dev_info(&pf->pdev->dev,
427 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
428 (long unsigned int)nstat->tx_aborted_errors,
429 (long unsigned int)nstat->tx_carrier_errors,
430 (long unsigned int)nstat->tx_fifo_errors);
431 dev_info(&pf->pdev->dev,
432 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
433 (long unsigned int)nstat->tx_heartbeat_errors,
434 (long unsigned int)nstat->tx_window_errors);
435 dev_info(&pf->pdev->dev,
436 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
437 (long unsigned int)nstat->rx_compressed,
438 (long unsigned int)nstat->tx_compressed);
439 dev_info(&pf->pdev->dev,
440 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
441 (long unsigned int)vsi->net_stats_offsets.rx_packets,
442 (long unsigned int)vsi->net_stats_offsets.rx_bytes,
443 (long unsigned int)vsi->net_stats_offsets.rx_errors,
444 (long unsigned int)vsi->net_stats_offsets.rx_dropped);
445 dev_info(&pf->pdev->dev,
446 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
447 (long unsigned int)vsi->net_stats_offsets.tx_packets,
448 (long unsigned int)vsi->net_stats_offsets.tx_bytes,
449 (long unsigned int)vsi->net_stats_offsets.tx_errors,
450 (long unsigned int)vsi->net_stats_offsets.tx_dropped);
451 dev_info(&pf->pdev->dev,
452 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
453 (long unsigned int)vsi->net_stats_offsets.multicast,
454 (long unsigned int)vsi->net_stats_offsets.collisions);
455 dev_info(&pf->pdev->dev,
456 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
457 (long unsigned int)vsi->net_stats_offsets.rx_length_errors,
458 (long unsigned int)vsi->net_stats_offsets.rx_over_errors,
459 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors);
460 dev_info(&pf->pdev->dev,
461 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
462 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors,
463 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors,
464 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors);
465 dev_info(&pf->pdev->dev,
466 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
467 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors,
468 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors,
469 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors);
470 dev_info(&pf->pdev->dev,
471 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
472 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors,
473 (long unsigned int)vsi->net_stats_offsets.tx_window_errors);
474 dev_info(&pf->pdev->dev,
475 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
476 (long unsigned int)vsi->net_stats_offsets.rx_compressed,
477 (long unsigned int)vsi->net_stats_offsets.tx_compressed);
478 dev_info(&pf->pdev->dev,
479 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
480 vsi->tx_restart, vsi->tx_busy,
481 vsi->rx_buf_failed, vsi->rx_page_failed);
482 rcu_read_lock();
483 for (i = 0; i < vsi->num_queue_pairs; i++) {
484 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
485 if (!rx_ring)
486 continue;
487
488 dev_info(&pf->pdev->dev,
489 " rx_rings[%i]: desc = %p\n",
490 i, rx_ring->desc);
491 dev_info(&pf->pdev->dev,
492 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
493 i, rx_ring->dev,
494 rx_ring->netdev,
495 rx_ring->rx_bi);
496 dev_info(&pf->pdev->dev,
497 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
498 i, rx_ring->state,
499 rx_ring->queue_index,
500 rx_ring->reg_idx);
501 dev_info(&pf->pdev->dev,
502 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
503 i, rx_ring->rx_hdr_len,
504 rx_ring->rx_buf_len,
505 rx_ring->dtype);
506 dev_info(&pf->pdev->dev,
507 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
508 i, rx_ring->hsplit,
509 rx_ring->next_to_use,
510 rx_ring->next_to_clean,
511 rx_ring->ring_active);
512 dev_info(&pf->pdev->dev,
513 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
514 i, rx_ring->stats.packets,
515 rx_ring->stats.bytes,
516 rx_ring->rx_stats.non_eop_descs);
517 dev_info(&pf->pdev->dev,
518 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
519 i,
520 rx_ring->rx_stats.alloc_page_failed,
521 rx_ring->rx_stats.alloc_buff_failed);
522 dev_info(&pf->pdev->dev,
523 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
524 i, rx_ring->size,
525 (long unsigned int)rx_ring->dma);
526 dev_info(&pf->pdev->dev,
527 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
528 i, rx_ring->vsi,
529 rx_ring->q_vector);
530 }
531 for (i = 0; i < vsi->num_queue_pairs; i++) {
532 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
533 if (!tx_ring)
534 continue;
535
536 dev_info(&pf->pdev->dev,
537 " tx_rings[%i]: desc = %p\n",
538 i, tx_ring->desc);
539 dev_info(&pf->pdev->dev,
540 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
541 i, tx_ring->dev,
542 tx_ring->netdev,
543 tx_ring->tx_bi);
544 dev_info(&pf->pdev->dev,
545 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
546 i, tx_ring->state,
547 tx_ring->queue_index,
548 tx_ring->reg_idx);
549 dev_info(&pf->pdev->dev,
550 " tx_rings[%i]: dtype = %d\n",
551 i, tx_ring->dtype);
552 dev_info(&pf->pdev->dev,
553 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
554 i, tx_ring->hsplit,
555 tx_ring->next_to_use,
556 tx_ring->next_to_clean,
557 tx_ring->ring_active);
558 dev_info(&pf->pdev->dev,
559 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
560 i, tx_ring->stats.packets,
561 tx_ring->stats.bytes,
562 tx_ring->tx_stats.restart_queue);
563 dev_info(&pf->pdev->dev,
564 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
565 i,
566 tx_ring->tx_stats.tx_busy,
567 tx_ring->tx_stats.tx_done_old);
568 dev_info(&pf->pdev->dev,
569 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
570 i, tx_ring->size,
571 (long unsigned int)tx_ring->dma);
572 dev_info(&pf->pdev->dev,
573 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
574 i, tx_ring->vsi,
575 tx_ring->q_vector);
576 dev_info(&pf->pdev->dev,
577 " tx_rings[%i]: DCB tc = %d\n",
578 i, tx_ring->dcb_tc);
579 }
580 rcu_read_unlock();
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 dev_info(&pf->pdev->dev,
591 " num_q_vectors = %i, base_vector = %i\n",
592 vsi->num_q_vectors, vsi->base_vector);
593 dev_info(&pf->pdev->dev,
594 " seid = %d, id = %d, uplink_seid = %d\n",
595 vsi->seid, vsi->id, vsi->uplink_seid);
596 dev_info(&pf->pdev->dev,
597 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
598 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
599 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
600 dev_info(&pf->pdev->dev,
601 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
602 vsi->info.valid_sections, vsi->info.switch_id);
603 dev_info(&pf->pdev->dev,
604 " info: sw_reserved[] = 0x%02x 0x%02x\n",
605 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
606 dev_info(&pf->pdev->dev,
607 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
608 vsi->info.sec_flags, vsi->info.sec_reserved);
609 dev_info(&pf->pdev->dev,
610 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
611 vsi->info.pvid, vsi->info.fcoe_pvid,
612 vsi->info.port_vlan_flags);
613 dev_info(&pf->pdev->dev,
614 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
615 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
616 vsi->info.pvlan_reserved[2]);
617 dev_info(&pf->pdev->dev,
618 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
619 vsi->info.ingress_table, vsi->info.egress_table);
620 dev_info(&pf->pdev->dev,
621 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
622 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
623 vsi->info.cas_pv_reserved);
624 dev_info(&pf->pdev->dev,
625 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
626 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
627 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
628 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
629 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
630 dev_info(&pf->pdev->dev,
631 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
632 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
633 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
634 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
635 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
636 dev_info(&pf->pdev->dev,
637 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
638 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
639 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
640 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
641 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
642 dev_info(&pf->pdev->dev,
643 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
644 vsi->info.queueing_opt_flags,
645 vsi->info.queueing_opt_reserved[0],
646 vsi->info.queueing_opt_reserved[1],
647 vsi->info.queueing_opt_reserved[2]);
648 dev_info(&pf->pdev->dev,
649 " info: up_enable_bits = 0x%02x\n",
650 vsi->info.up_enable_bits);
651 dev_info(&pf->pdev->dev,
652 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
653 vsi->info.sched_reserved, vsi->info.outer_up_table);
654 dev_info(&pf->pdev->dev,
655 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
656 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
657 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
658 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
659 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
660 dev_info(&pf->pdev->dev,
661 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
662 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
663 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
664 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
665 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
666 dev_info(&pf->pdev->dev,
667 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
668 vsi->info.stat_counter_idx, vsi->info.sched_id);
669 dev_info(&pf->pdev->dev,
670 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
671 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
672 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
673 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
674 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
675 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
676 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
677 if (vsi->back)
678 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
679 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
680 dev_info(&pf->pdev->dev,
681 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
682 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
683 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
684 dev_info(&pf->pdev->dev,
685 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
686 i, vsi->tc_config.tc_info[i].qoffset,
687 vsi->tc_config.tc_info[i].qcount,
688 vsi->tc_config.tc_info[i].netdev_tc);
689 }
690 dev_info(&pf->pdev->dev,
691 " bw: bw_limit = %d, bw_max_quanta = %d\n",
692 vsi->bw_limit, vsi->bw_max_quanta);
693 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
694 dev_info(&pf->pdev->dev,
695 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
696 i, vsi->bw_ets_share_credits[i],
697 vsi->bw_ets_limit_credits[i],
698 vsi->bw_ets_max_quanta[i]);
699 }
700 #ifdef I40E_FCOE
701 if (vsi->type == I40E_VSI_FCOE) {
702 dev_info(&pf->pdev->dev,
703 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
704 vsi->fcoe_stats.rx_fcoe_packets,
705 vsi->fcoe_stats.rx_fcoe_dwords,
706 vsi->fcoe_stats.rx_fcoe_dropped);
707 dev_info(&pf->pdev->dev,
708 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
709 vsi->fcoe_stats.tx_fcoe_packets,
710 vsi->fcoe_stats.tx_fcoe_dwords);
711 dev_info(&pf->pdev->dev,
712 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
713 vsi->fcoe_stats.fcoe_bad_fccrc,
714 vsi->fcoe_stats.fcoe_last_error);
715 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
716 vsi->fcoe_stats.fcoe_ddp_count);
717 }
718 #endif
719 }
720
721 /**
722 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
723 * @pf: the i40e_pf created in command write
724 **/
725 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
726 {
727 struct i40e_adminq_ring *ring;
728 struct i40e_hw *hw = &pf->hw;
729 char hdr[32];
730 int i;
731
732 snprintf(hdr, sizeof(hdr), "%s %s: ",
733 dev_driver_string(&pf->pdev->dev),
734 dev_name(&pf->pdev->dev));
735
736 /* first the send (command) ring, then the receive (event) ring */
737 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
738 ring = &(hw->aq.asq);
739 for (i = 0; i < ring->count; i++) {
740 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
741 dev_info(&pf->pdev->dev,
742 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
743 i, d->flags, d->opcode, d->datalen, d->retval,
744 d->cookie_high, d->cookie_low);
745 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
746 16, 1, d->params.raw, 16, 0);
747 }
748
749 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
750 ring = &(hw->aq.arq);
751 for (i = 0; i < ring->count; i++) {
752 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
753 dev_info(&pf->pdev->dev,
754 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
755 i, d->flags, d->opcode, d->datalen, d->retval,
756 d->cookie_high, d->cookie_low);
757 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
758 16, 1, d->params.raw, 16, 0);
759 }
760 }
761
762 /**
763 * i40e_dbg_dump_desc - handles dump desc write into command datum
764 * @cnt: number of arguments that the user supplied
765 * @vsi_seid: vsi id entered by user
766 * @ring_id: ring id entered by user
767 * @desc_n: descriptor number entered by user
768 * @pf: the i40e_pf created in command write
769 * @is_rx_ring: true if rx, false if tx
770 **/
771 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
772 struct i40e_pf *pf, bool is_rx_ring)
773 {
774 struct i40e_tx_desc *txd;
775 union i40e_rx_desc *rxd;
776 struct i40e_ring *ring;
777 struct i40e_vsi *vsi;
778 int i;
779
780 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
781 if (!vsi) {
782 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
783 return;
784 }
785 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
786 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
787 return;
788 }
789 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
790 dev_info(&pf->pdev->dev,
791 "descriptor rings have not been allocated for vsi %d\n",
792 vsi_seid);
793 return;
794 }
795
796 ring = kmemdup(is_rx_ring
797 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
798 sizeof(*ring), GFP_KERNEL);
799 if (!ring)
800 return;
801
802 if (cnt == 2) {
803 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
804 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
805 for (i = 0; i < ring->count; i++) {
806 if (!is_rx_ring) {
807 txd = I40E_TX_DESC(ring, i);
808 dev_info(&pf->pdev->dev,
809 " d[%03i] = 0x%016llx 0x%016llx\n",
810 i, txd->buffer_addr,
811 txd->cmd_type_offset_bsz);
812 } else if (sizeof(union i40e_rx_desc) ==
813 sizeof(union i40e_16byte_rx_desc)) {
814 rxd = I40E_RX_DESC(ring, i);
815 dev_info(&pf->pdev->dev,
816 " d[%03i] = 0x%016llx 0x%016llx\n",
817 i, rxd->read.pkt_addr,
818 rxd->read.hdr_addr);
819 } else {
820 rxd = I40E_RX_DESC(ring, i);
821 dev_info(&pf->pdev->dev,
822 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
823 i, rxd->read.pkt_addr,
824 rxd->read.hdr_addr,
825 rxd->read.rsvd1, rxd->read.rsvd2);
826 }
827 }
828 } else if (cnt == 3) {
829 if (desc_n >= ring->count || desc_n < 0) {
830 dev_info(&pf->pdev->dev,
831 "descriptor %d not found\n", desc_n);
832 goto out;
833 }
834 if (!is_rx_ring) {
835 txd = I40E_TX_DESC(ring, desc_n);
836 dev_info(&pf->pdev->dev,
837 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
838 vsi_seid, ring_id, desc_n,
839 txd->buffer_addr, txd->cmd_type_offset_bsz);
840 } else if (sizeof(union i40e_rx_desc) ==
841 sizeof(union i40e_16byte_rx_desc)) {
842 rxd = I40E_RX_DESC(ring, desc_n);
843 dev_info(&pf->pdev->dev,
844 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
845 vsi_seid, ring_id, desc_n,
846 rxd->read.pkt_addr, rxd->read.hdr_addr);
847 } else {
848 rxd = I40E_RX_DESC(ring, desc_n);
849 dev_info(&pf->pdev->dev,
850 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
851 vsi_seid, ring_id, desc_n,
852 rxd->read.pkt_addr, rxd->read.hdr_addr,
853 rxd->read.rsvd1, rxd->read.rsvd2);
854 }
855 } else {
856 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
857 }
858
859 out:
860 kfree(ring);
861 }
862
863 /**
864 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
865 * @pf: the i40e_pf created in command write
866 **/
867 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
868 {
869 int i;
870
871 for (i = 0; i < pf->num_alloc_vsi; i++)
872 if (pf->vsi[i])
873 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
874 i, pf->vsi[i]->seid);
875 }
876
877 /**
878 * i40e_dbg_dump_stats - handles dump stats write into command datum
879 * @pf: the i40e_pf created in command write
880 * @estats: the eth stats structure to be dumped
881 **/
882 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
883 struct i40e_eth_stats *estats)
884 {
885 dev_info(&pf->pdev->dev, " ethstats:\n");
886 dev_info(&pf->pdev->dev,
887 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
888 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
889 dev_info(&pf->pdev->dev,
890 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
891 estats->rx_broadcast, estats->rx_discards);
892 dev_info(&pf->pdev->dev,
893 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
894 estats->rx_unknown_protocol, estats->tx_bytes);
895 dev_info(&pf->pdev->dev,
896 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
897 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
898 dev_info(&pf->pdev->dev,
899 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
900 estats->tx_discards, estats->tx_errors);
901 }
902
903 /**
904 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
905 * @pf: the i40e_pf created in command write
906 * @seid: the seid the user put in
907 **/
908 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
909 {
910 struct i40e_veb *veb;
911
912 if ((seid < I40E_BASE_VEB_SEID) ||
913 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
914 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
915 return;
916 }
917
918 veb = i40e_dbg_find_veb(pf, seid);
919 if (!veb) {
920 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
921 return;
922 }
923 dev_info(&pf->pdev->dev,
924 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
925 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
926 veb->uplink_seid,
927 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
928 i40e_dbg_dump_eth_stats(pf, &veb->stats);
929 }
930
931 /**
932 * i40e_dbg_dump_veb_all - dumps all known veb's stats
933 * @pf: the i40e_pf created in command write
934 **/
935 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
936 {
937 struct i40e_veb *veb;
938 int i;
939
940 for (i = 0; i < I40E_MAX_VEB; i++) {
941 veb = pf->veb[i];
942 if (veb)
943 i40e_dbg_dump_veb_seid(pf, veb->seid);
944 }
945 }
946
947 /**
948 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR
949 * @pf: the PF that would be altered
950 * @flag: flag that needs enabling or disabling
951 * @enable: Enable/disable FD SD/ATR
952 **/
953 static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable)
954 {
955 if (enable) {
956 pf->flags |= flag;
957 } else {
958 pf->flags &= ~flag;
959 pf->auto_disable_flags |= flag;
960 }
961 dev_info(&pf->pdev->dev, "requesting a PF reset\n");
962 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
963 }
964
965 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
966 /**
967 * i40e_dbg_command_write - write into command datum
968 * @filp: the opened file
969 * @buffer: where to find the user's data
970 * @count: the length of the user's data
971 * @ppos: file position offset
972 **/
973 static ssize_t i40e_dbg_command_write(struct file *filp,
974 const char __user *buffer,
975 size_t count, loff_t *ppos)
976 {
977 struct i40e_pf *pf = filp->private_data;
978 char *cmd_buf, *cmd_buf_tmp;
979 int bytes_not_copied;
980 struct i40e_vsi *vsi;
981 int vsi_seid;
982 int veb_seid;
983 int cnt;
984
985 /* don't allow partial writes */
986 if (*ppos != 0)
987 return 0;
988
989 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
990 if (!cmd_buf)
991 return count;
992 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
993 if (bytes_not_copied < 0) {
994 kfree(cmd_buf);
995 return bytes_not_copied;
996 }
997 if (bytes_not_copied > 0)
998 count -= bytes_not_copied;
999 cmd_buf[count] = '\0';
1000
1001 cmd_buf_tmp = strchr(cmd_buf, '\n');
1002 if (cmd_buf_tmp) {
1003 *cmd_buf_tmp = '\0';
1004 count = cmd_buf_tmp - cmd_buf + 1;
1005 }
1006
1007 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1008 vsi_seid = -1;
1009 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1010 if (cnt == 0) {
1011 /* default to PF VSI */
1012 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1013 } else if (vsi_seid < 0) {
1014 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1015 vsi_seid);
1016 goto command_write_done;
1017 }
1018
1019 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1020 if (vsi)
1021 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1022 vsi->seid, vsi->uplink_seid);
1023 else
1024 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1025
1026 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1027 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1028 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1029 if (!vsi) {
1030 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1031 vsi_seid);
1032 goto command_write_done;
1033 }
1034
1035 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1036 i40e_vsi_release(vsi);
1037
1038 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1039 struct i40e_veb *veb;
1040 int uplink_seid, i;
1041
1042 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1043 if (cnt != 2) {
1044 dev_info(&pf->pdev->dev,
1045 "add relay: bad command string, cnt=%d\n",
1046 cnt);
1047 goto command_write_done;
1048 } else if (uplink_seid < 0) {
1049 dev_info(&pf->pdev->dev,
1050 "add relay %d: bad uplink seid\n",
1051 uplink_seid);
1052 goto command_write_done;
1053 }
1054
1055 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1056 if (!vsi) {
1057 dev_info(&pf->pdev->dev,
1058 "add relay: VSI %d not found\n", vsi_seid);
1059 goto command_write_done;
1060 }
1061
1062 for (i = 0; i < I40E_MAX_VEB; i++)
1063 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1064 break;
1065 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1066 uplink_seid != pf->mac_seid) {
1067 dev_info(&pf->pdev->dev,
1068 "add relay: relay uplink %d not found\n",
1069 uplink_seid);
1070 goto command_write_done;
1071 }
1072
1073 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1074 vsi->tc_config.enabled_tc);
1075 if (veb)
1076 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1077 else
1078 dev_info(&pf->pdev->dev, "add relay failed\n");
1079
1080 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1081 int i;
1082 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1083 if (cnt != 1) {
1084 dev_info(&pf->pdev->dev,
1085 "del relay: bad command string, cnt=%d\n",
1086 cnt);
1087 goto command_write_done;
1088 } else if (veb_seid < 0) {
1089 dev_info(&pf->pdev->dev,
1090 "del relay %d: bad relay seid\n", veb_seid);
1091 goto command_write_done;
1092 }
1093
1094 /* find the veb */
1095 for (i = 0; i < I40E_MAX_VEB; i++)
1096 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1097 break;
1098 if (i >= I40E_MAX_VEB) {
1099 dev_info(&pf->pdev->dev,
1100 "del relay: relay %d not found\n", veb_seid);
1101 goto command_write_done;
1102 }
1103
1104 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1105 i40e_veb_release(pf->veb[i]);
1106
1107 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
1108 struct i40e_mac_filter *f;
1109 int vlan = 0;
1110 u8 ma[6];
1111 int ret;
1112
1113 cnt = sscanf(&cmd_buf[11],
1114 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1115 &vsi_seid,
1116 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1117 &vlan);
1118 if (cnt == 7) {
1119 vlan = 0;
1120 } else if (cnt != 8) {
1121 dev_info(&pf->pdev->dev,
1122 "add macaddr: bad command string, cnt=%d\n",
1123 cnt);
1124 goto command_write_done;
1125 }
1126
1127 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1128 if (!vsi) {
1129 dev_info(&pf->pdev->dev,
1130 "add macaddr: VSI %d not found\n", vsi_seid);
1131 goto command_write_done;
1132 }
1133
1134 f = i40e_add_filter(vsi, ma, vlan, false, false);
1135 ret = i40e_sync_vsi_filters(vsi);
1136 if (f && !ret)
1137 dev_info(&pf->pdev->dev,
1138 "add macaddr: %pM vlan=%d added to VSI %d\n",
1139 ma, vlan, vsi_seid);
1140 else
1141 dev_info(&pf->pdev->dev,
1142 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1143 ma, vlan, vsi_seid, f, ret);
1144
1145 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
1146 int vlan = 0;
1147 u8 ma[6];
1148 int ret;
1149
1150 cnt = sscanf(&cmd_buf[11],
1151 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1152 &vsi_seid,
1153 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1154 &vlan);
1155 if (cnt == 7) {
1156 vlan = 0;
1157 } else if (cnt != 8) {
1158 dev_info(&pf->pdev->dev,
1159 "del macaddr: bad command string, cnt=%d\n",
1160 cnt);
1161 goto command_write_done;
1162 }
1163
1164 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1165 if (!vsi) {
1166 dev_info(&pf->pdev->dev,
1167 "del macaddr: VSI %d not found\n", vsi_seid);
1168 goto command_write_done;
1169 }
1170
1171 i40e_del_filter(vsi, ma, vlan, false, false);
1172 ret = i40e_sync_vsi_filters(vsi);
1173 if (!ret)
1174 dev_info(&pf->pdev->dev,
1175 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1176 ma, vlan, vsi_seid);
1177 else
1178 dev_info(&pf->pdev->dev,
1179 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1180 ma, vlan, vsi_seid, ret);
1181
1182 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
1183 i40e_status ret;
1184 u16 vid;
1185 unsigned int v;
1186
1187 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1188 if (cnt != 2) {
1189 dev_info(&pf->pdev->dev,
1190 "add pvid: bad command string, cnt=%d\n", cnt);
1191 goto command_write_done;
1192 }
1193
1194 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1195 if (!vsi) {
1196 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1197 vsi_seid);
1198 goto command_write_done;
1199 }
1200
1201 vid = v;
1202 ret = i40e_vsi_add_pvid(vsi, vid);
1203 if (!ret)
1204 dev_info(&pf->pdev->dev,
1205 "add pvid: %d added to VSI %d\n",
1206 vid, vsi_seid);
1207 else
1208 dev_info(&pf->pdev->dev,
1209 "add pvid: %d to VSI %d failed, ret=%d\n",
1210 vid, vsi_seid, ret);
1211
1212 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1213
1214 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1215 if (cnt != 1) {
1216 dev_info(&pf->pdev->dev,
1217 "del pvid: bad command string, cnt=%d\n",
1218 cnt);
1219 goto command_write_done;
1220 }
1221
1222 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1223 if (!vsi) {
1224 dev_info(&pf->pdev->dev,
1225 "del pvid: VSI %d not found\n", vsi_seid);
1226 goto command_write_done;
1227 }
1228
1229 i40e_vsi_remove_pvid(vsi);
1230 dev_info(&pf->pdev->dev,
1231 "del pvid: removed from VSI %d\n", vsi_seid);
1232
1233 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1234 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1235 i40e_fetch_switch_configuration(pf, true);
1236 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1237 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1238 if (cnt > 0)
1239 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1240 else
1241 i40e_dbg_dump_vsi_no_seid(pf);
1242 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1243 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1244 if (cnt > 0)
1245 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1246 else
1247 i40e_dbg_dump_veb_all(pf);
1248 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1249 int ring_id, desc_n;
1250 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1251 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1252 &vsi_seid, &ring_id, &desc_n);
1253 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1254 desc_n, pf, true);
1255 } else if (strncmp(&cmd_buf[10], "tx", 2)
1256 == 0) {
1257 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1258 &vsi_seid, &ring_id, &desc_n);
1259 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1260 desc_n, pf, false);
1261 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1262 i40e_dbg_dump_aq_desc(pf);
1263 } else {
1264 dev_info(&pf->pdev->dev,
1265 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1266 dev_info(&pf->pdev->dev,
1267 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1268 dev_info(&pf->pdev->dev, "dump desc aq\n");
1269 }
1270 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1271 dev_info(&pf->pdev->dev,
1272 "core reset count: %d\n", pf->corer_count);
1273 dev_info(&pf->pdev->dev,
1274 "global reset count: %d\n", pf->globr_count);
1275 dev_info(&pf->pdev->dev,
1276 "emp reset count: %d\n", pf->empr_count);
1277 dev_info(&pf->pdev->dev,
1278 "pf reset count: %d\n", pf->pfr_count);
1279 dev_info(&pf->pdev->dev,
1280 "pf tx sluggish count: %d\n",
1281 pf->tx_sluggish_count);
1282 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1283 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1284 struct i40e_dcbx_config *cfg =
1285 &pf->hw.local_dcbx_config;
1286 struct i40e_dcbx_config *r_cfg =
1287 &pf->hw.remote_dcbx_config;
1288 int i, ret;
1289
1290 bw_data = kzalloc(sizeof(
1291 struct i40e_aqc_query_port_ets_config_resp),
1292 GFP_KERNEL);
1293 if (!bw_data) {
1294 ret = -ENOMEM;
1295 goto command_write_done;
1296 }
1297
1298 ret = i40e_aq_query_port_ets_config(&pf->hw,
1299 pf->mac_seid,
1300 bw_data, NULL);
1301 if (ret) {
1302 dev_info(&pf->pdev->dev,
1303 "Query Port ETS Config AQ command failed =0x%x\n",
1304 pf->hw.aq.asq_last_status);
1305 kfree(bw_data);
1306 bw_data = NULL;
1307 goto command_write_done;
1308 }
1309 dev_info(&pf->pdev->dev,
1310 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1311 bw_data->tc_valid_bits,
1312 bw_data->tc_strict_priority_bits,
1313 le16_to_cpu(bw_data->tc_bw_max[0]),
1314 le16_to_cpu(bw_data->tc_bw_max[1]));
1315 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1316 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1317 bw_data->tc_bw_share_credits[i],
1318 le16_to_cpu(bw_data->tc_bw_limits[i]));
1319 }
1320
1321 kfree(bw_data);
1322 bw_data = NULL;
1323
1324 dev_info(&pf->pdev->dev,
1325 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1326 dev_info(&pf->pdev->dev,
1327 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1328 cfg->etscfg.willing, cfg->etscfg.cbs,
1329 cfg->etscfg.maxtcs);
1330 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1331 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1332 i, cfg->etscfg.prioritytable[i],
1333 cfg->etscfg.tcbwtable[i],
1334 cfg->etscfg.tsatable[i]);
1335 }
1336 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1337 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1338 i, cfg->etsrec.prioritytable[i],
1339 cfg->etsrec.tcbwtable[i],
1340 cfg->etsrec.tsatable[i]);
1341 }
1342 dev_info(&pf->pdev->dev,
1343 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1344 cfg->pfc.willing, cfg->pfc.mbc,
1345 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1346 dev_info(&pf->pdev->dev,
1347 "port app_table: num_apps=%d\n", cfg->numapps);
1348 for (i = 0; i < cfg->numapps; i++) {
1349 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1350 i, cfg->app[i].priority,
1351 cfg->app[i].selector,
1352 cfg->app[i].protocolid);
1353 }
1354 /* Peer TLV DCBX data */
1355 dev_info(&pf->pdev->dev,
1356 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1357 r_cfg->etscfg.willing,
1358 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1359 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1360 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1361 i, r_cfg->etscfg.prioritytable[i],
1362 r_cfg->etscfg.tcbwtable[i],
1363 r_cfg->etscfg.tsatable[i]);
1364 }
1365 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1366 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1367 i, r_cfg->etsrec.prioritytable[i],
1368 r_cfg->etsrec.tcbwtable[i],
1369 r_cfg->etsrec.tsatable[i]);
1370 }
1371 dev_info(&pf->pdev->dev,
1372 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1373 r_cfg->pfc.willing,
1374 r_cfg->pfc.mbc,
1375 r_cfg->pfc.pfccap,
1376 r_cfg->pfc.pfcenable);
1377 dev_info(&pf->pdev->dev,
1378 "remote port app_table: num_apps=%d\n",
1379 r_cfg->numapps);
1380 for (i = 0; i < r_cfg->numapps; i++) {
1381 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1382 i, r_cfg->app[i].priority,
1383 r_cfg->app[i].selector,
1384 r_cfg->app[i].protocolid);
1385 }
1386 } else {
1387 dev_info(&pf->pdev->dev,
1388 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1389 dev_info(&pf->pdev->dev, "dump switch\n");
1390 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1391 dev_info(&pf->pdev->dev, "dump reset stats\n");
1392 dev_info(&pf->pdev->dev, "dump port\n");
1393 dev_info(&pf->pdev->dev,
1394 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1395 }
1396
1397 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1398 u32 level;
1399 cnt = sscanf(&cmd_buf[10], "%i", &level);
1400 if (cnt) {
1401 if (I40E_DEBUG_USER & level) {
1402 pf->hw.debug_mask = level;
1403 dev_info(&pf->pdev->dev,
1404 "set hw.debug_mask = 0x%08x\n",
1405 pf->hw.debug_mask);
1406 }
1407 pf->msg_enable = level;
1408 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1409 pf->msg_enable);
1410 } else {
1411 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1412 pf->msg_enable);
1413 }
1414 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1415 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1416 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
1417
1418 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1419 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1420 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED));
1421
1422 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1423 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1424 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
1425
1426 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1427 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1428 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED));
1429
1430 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1431 u32 address;
1432 u32 value;
1433 cnt = sscanf(&cmd_buf[4], "%i", &address);
1434 if (cnt != 1) {
1435 dev_info(&pf->pdev->dev, "read <reg>\n");
1436 goto command_write_done;
1437 }
1438
1439 /* check the range on address */
1440 if (address >= I40E_MAX_REGISTER) {
1441 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1442 address);
1443 goto command_write_done;
1444 }
1445
1446 value = rd32(&pf->hw, address);
1447 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1448 address, value);
1449
1450 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1451 u32 address, value;
1452 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1453 if (cnt != 2) {
1454 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1455 goto command_write_done;
1456 }
1457
1458 /* check the range on address */
1459 if (address >= I40E_MAX_REGISTER) {
1460 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1461 address);
1462 goto command_write_done;
1463 }
1464 wr32(&pf->hw, address, value);
1465 value = rd32(&pf->hw, address);
1466 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1467 address, value);
1468 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1469 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1470 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1471 if (cnt == 0) {
1472 int i;
1473 for (i = 0; i < pf->num_alloc_vsi; i++)
1474 i40e_vsi_reset_stats(pf->vsi[i]);
1475 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1476 } else if (cnt == 1) {
1477 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1478 if (!vsi) {
1479 dev_info(&pf->pdev->dev,
1480 "clear_stats vsi: bad vsi %d\n",
1481 vsi_seid);
1482 goto command_write_done;
1483 }
1484 i40e_vsi_reset_stats(vsi);
1485 dev_info(&pf->pdev->dev,
1486 "vsi clear stats called for vsi %d\n",
1487 vsi_seid);
1488 } else {
1489 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1490 }
1491 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1492 if (pf->hw.partition_id == 1) {
1493 i40e_pf_reset_stats(pf);
1494 dev_info(&pf->pdev->dev, "port stats cleared\n");
1495 } else {
1496 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1497 }
1498 } else {
1499 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1500 }
1501 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1502 struct i40e_aq_desc *desc;
1503 i40e_status ret;
1504
1505 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1506 if (!desc)
1507 goto command_write_done;
1508 cnt = sscanf(&cmd_buf[11],
1509 "%hi %hi %hi %hi %i %i %i %i %i %i",
1510 &desc->flags,
1511 &desc->opcode, &desc->datalen, &desc->retval,
1512 &desc->cookie_high, &desc->cookie_low,
1513 &desc->params.internal.param0,
1514 &desc->params.internal.param1,
1515 &desc->params.internal.param2,
1516 &desc->params.internal.param3);
1517 if (cnt != 10) {
1518 dev_info(&pf->pdev->dev,
1519 "send aq_cmd: bad command string, cnt=%d\n",
1520 cnt);
1521 kfree(desc);
1522 desc = NULL;
1523 goto command_write_done;
1524 }
1525 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1526 if (!ret) {
1527 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1528 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1529 dev_info(&pf->pdev->dev,
1530 "AQ command send failed Opcode %x AQ Error: %d\n",
1531 desc->opcode, pf->hw.aq.asq_last_status);
1532 } else {
1533 dev_info(&pf->pdev->dev,
1534 "AQ command send failed Opcode %x Status: %d\n",
1535 desc->opcode, ret);
1536 }
1537 dev_info(&pf->pdev->dev,
1538 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1539 desc->flags, desc->opcode, desc->datalen, desc->retval,
1540 desc->cookie_high, desc->cookie_low,
1541 desc->params.internal.param0,
1542 desc->params.internal.param1,
1543 desc->params.internal.param2,
1544 desc->params.internal.param3);
1545 kfree(desc);
1546 desc = NULL;
1547 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1548 struct i40e_aq_desc *desc;
1549 i40e_status ret;
1550 u16 buffer_len;
1551 u8 *buff;
1552
1553 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1554 if (!desc)
1555 goto command_write_done;
1556 cnt = sscanf(&cmd_buf[20],
1557 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1558 &desc->flags,
1559 &desc->opcode, &desc->datalen, &desc->retval,
1560 &desc->cookie_high, &desc->cookie_low,
1561 &desc->params.internal.param0,
1562 &desc->params.internal.param1,
1563 &desc->params.internal.param2,
1564 &desc->params.internal.param3,
1565 &buffer_len);
1566 if (cnt != 11) {
1567 dev_info(&pf->pdev->dev,
1568 "send indirect aq_cmd: bad command string, cnt=%d\n",
1569 cnt);
1570 kfree(desc);
1571 desc = NULL;
1572 goto command_write_done;
1573 }
1574 /* Just stub a buffer big enough in case user messed up */
1575 if (buffer_len == 0)
1576 buffer_len = 1280;
1577
1578 buff = kzalloc(buffer_len, GFP_KERNEL);
1579 if (!buff) {
1580 kfree(desc);
1581 desc = NULL;
1582 goto command_write_done;
1583 }
1584 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1585 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1586 buffer_len, NULL);
1587 if (!ret) {
1588 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1589 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1590 dev_info(&pf->pdev->dev,
1591 "AQ command send failed Opcode %x AQ Error: %d\n",
1592 desc->opcode, pf->hw.aq.asq_last_status);
1593 } else {
1594 dev_info(&pf->pdev->dev,
1595 "AQ command send failed Opcode %x Status: %d\n",
1596 desc->opcode, ret);
1597 }
1598 dev_info(&pf->pdev->dev,
1599 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1600 desc->flags, desc->opcode, desc->datalen, desc->retval,
1601 desc->cookie_high, desc->cookie_low,
1602 desc->params.internal.param0,
1603 desc->params.internal.param1,
1604 desc->params.internal.param2,
1605 desc->params.internal.param3);
1606 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1607 DUMP_PREFIX_OFFSET, 16, 1,
1608 buff, buffer_len, true);
1609 kfree(buff);
1610 buff = NULL;
1611 kfree(desc);
1612 desc = NULL;
1613 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1614 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1615 struct i40e_fdir_filter fd_data;
1616 u16 packet_len, i, j = 0;
1617 char *asc_packet;
1618 u8 *raw_packet;
1619 bool add = false;
1620 int ret;
1621
1622 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1623 goto command_write_done;
1624
1625 if (strncmp(cmd_buf, "add", 3) == 0)
1626 add = true;
1627
1628 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1629 goto command_write_done;
1630
1631 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1632 GFP_KERNEL);
1633 if (!asc_packet)
1634 goto command_write_done;
1635
1636 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1637 GFP_KERNEL);
1638
1639 if (!raw_packet) {
1640 kfree(asc_packet);
1641 asc_packet = NULL;
1642 goto command_write_done;
1643 }
1644
1645 cnt = sscanf(&cmd_buf[13],
1646 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1647 &fd_data.q_index,
1648 &fd_data.flex_off, &fd_data.pctype,
1649 &fd_data.dest_vsi, &fd_data.dest_ctl,
1650 &fd_data.fd_status, &fd_data.cnt_index,
1651 &fd_data.fd_id, &packet_len, asc_packet);
1652 if (cnt != 10) {
1653 dev_info(&pf->pdev->dev,
1654 "program fd_filter: bad command string, cnt=%d\n",
1655 cnt);
1656 kfree(asc_packet);
1657 asc_packet = NULL;
1658 kfree(raw_packet);
1659 goto command_write_done;
1660 }
1661
1662 /* fix packet length if user entered 0 */
1663 if (packet_len == 0)
1664 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1665
1666 /* make sure to check the max as well */
1667 packet_len = min_t(u16,
1668 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1669
1670 for (i = 0; i < packet_len; i++) {
1671 sscanf(&asc_packet[j], "%2hhx ",
1672 &raw_packet[i]);
1673 j += 3;
1674 }
1675 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1676 print_hex_dump(KERN_INFO, "FD raw packet: ",
1677 DUMP_PREFIX_OFFSET, 16, 1,
1678 raw_packet, packet_len, true);
1679 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1680 if (!ret) {
1681 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1682 } else {
1683 dev_info(&pf->pdev->dev,
1684 "Filter command send failed %d\n", ret);
1685 }
1686 kfree(raw_packet);
1687 raw_packet = NULL;
1688 kfree(asc_packet);
1689 asc_packet = NULL;
1690 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) {
1691 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false);
1692 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) {
1693 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true);
1694 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1695 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1696 i40e_get_current_fd_count(pf));
1697 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1698 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1699 int ret;
1700 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1701 if (ret) {
1702 dev_info(&pf->pdev->dev,
1703 "Stop LLDP AQ command failed =0x%x\n",
1704 pf->hw.aq.asq_last_status);
1705 goto command_write_done;
1706 }
1707 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1708 pf->hw.mac.addr,
1709 I40E_ETH_P_LLDP, 0,
1710 pf->vsi[pf->lan_vsi]->seid,
1711 0, true, NULL, NULL);
1712 if (ret) {
1713 dev_info(&pf->pdev->dev,
1714 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1715 __func__, pf->hw.aq.asq_last_status);
1716 goto command_write_done;
1717 }
1718 #ifdef CONFIG_I40E_DCB
1719 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1720 DCB_CAP_DCBX_VER_IEEE;
1721 #endif /* CONFIG_I40E_DCB */
1722 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1723 int ret;
1724 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1725 pf->hw.mac.addr,
1726 I40E_ETH_P_LLDP, 0,
1727 pf->vsi[pf->lan_vsi]->seid,
1728 0, false, NULL, NULL);
1729 if (ret) {
1730 dev_info(&pf->pdev->dev,
1731 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1732 __func__, pf->hw.aq.asq_last_status);
1733 /* Continue and start FW LLDP anyways */
1734 }
1735
1736 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1737 if (ret) {
1738 dev_info(&pf->pdev->dev,
1739 "Start LLDP AQ command failed =0x%x\n",
1740 pf->hw.aq.asq_last_status);
1741 goto command_write_done;
1742 }
1743 #ifdef CONFIG_I40E_DCB
1744 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1745 DCB_CAP_DCBX_VER_IEEE;
1746 #endif /* CONFIG_I40E_DCB */
1747 } else if (strncmp(&cmd_buf[5],
1748 "get local", 9) == 0) {
1749 u16 llen, rlen;
1750 int ret;
1751 u8 *buff;
1752 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1753 if (!buff)
1754 goto command_write_done;
1755
1756 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1757 I40E_AQ_LLDP_MIB_LOCAL,
1758 buff, I40E_LLDPDU_SIZE,
1759 &llen, &rlen, NULL);
1760 if (ret) {
1761 dev_info(&pf->pdev->dev,
1762 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1763 pf->hw.aq.asq_last_status);
1764 kfree(buff);
1765 buff = NULL;
1766 goto command_write_done;
1767 }
1768 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1769 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1770 DUMP_PREFIX_OFFSET, 16, 1,
1771 buff, I40E_LLDPDU_SIZE, true);
1772 kfree(buff);
1773 buff = NULL;
1774 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1775 u16 llen, rlen;
1776 int ret;
1777 u8 *buff;
1778 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1779 if (!buff)
1780 goto command_write_done;
1781
1782 ret = i40e_aq_get_lldp_mib(&pf->hw,
1783 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1784 I40E_AQ_LLDP_MIB_REMOTE,
1785 buff, I40E_LLDPDU_SIZE,
1786 &llen, &rlen, NULL);
1787 if (ret) {
1788 dev_info(&pf->pdev->dev,
1789 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1790 pf->hw.aq.asq_last_status);
1791 kfree(buff);
1792 buff = NULL;
1793 goto command_write_done;
1794 }
1795 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1796 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1797 DUMP_PREFIX_OFFSET, 16, 1,
1798 buff, I40E_LLDPDU_SIZE, true);
1799 kfree(buff);
1800 buff = NULL;
1801 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1802 int ret;
1803 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1804 true, NULL);
1805 if (ret) {
1806 dev_info(&pf->pdev->dev,
1807 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1808 pf->hw.aq.asq_last_status);
1809 goto command_write_done;
1810 }
1811 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1812 int ret;
1813 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1814 false, NULL);
1815 if (ret) {
1816 dev_info(&pf->pdev->dev,
1817 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1818 pf->hw.aq.asq_last_status);
1819 goto command_write_done;
1820 }
1821 }
1822 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1823 u16 buffer_len, bytes;
1824 u16 module;
1825 u32 offset;
1826 u16 *buff;
1827 int ret;
1828
1829 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1830 &module, &offset, &buffer_len);
1831 if (cnt == 0) {
1832 module = 0;
1833 offset = 0;
1834 buffer_len = 0;
1835 } else if (cnt == 1) {
1836 offset = 0;
1837 buffer_len = 0;
1838 } else if (cnt == 2) {
1839 buffer_len = 0;
1840 } else if (cnt > 3) {
1841 dev_info(&pf->pdev->dev,
1842 "nvm read: bad command string, cnt=%d\n", cnt);
1843 goto command_write_done;
1844 }
1845
1846 /* set the max length */
1847 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1848
1849 bytes = 2 * buffer_len;
1850
1851 /* read at least 1k bytes, no more than 4kB */
1852 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1853 buff = kzalloc(bytes, GFP_KERNEL);
1854 if (!buff)
1855 goto command_write_done;
1856
1857 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1858 if (ret) {
1859 dev_info(&pf->pdev->dev,
1860 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1861 ret, pf->hw.aq.asq_last_status);
1862 kfree(buff);
1863 goto command_write_done;
1864 }
1865
1866 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1867 bytes, (u8 *)buff, true, NULL);
1868 i40e_release_nvm(&pf->hw);
1869 if (ret) {
1870 dev_info(&pf->pdev->dev,
1871 "Read NVM AQ failed err=%d status=0x%x\n",
1872 ret, pf->hw.aq.asq_last_status);
1873 } else {
1874 dev_info(&pf->pdev->dev,
1875 "Read NVM module=0x%x offset=0x%x words=%d\n",
1876 module, offset, buffer_len);
1877 if (bytes)
1878 print_hex_dump(KERN_INFO, "NVM Dump: ",
1879 DUMP_PREFIX_OFFSET, 16, 2,
1880 buff, bytes, true);
1881 }
1882 kfree(buff);
1883 buff = NULL;
1884 } else {
1885 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1886 dev_info(&pf->pdev->dev, "available commands\n");
1887 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1888 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1889 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1890 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1891 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1892 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1893 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1894 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1895 dev_info(&pf->pdev->dev, " dump switch\n");
1896 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1897 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1898 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1899 dev_info(&pf->pdev->dev, " dump desc aq\n");
1900 dev_info(&pf->pdev->dev, " dump reset stats\n");
1901 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1902 dev_info(&pf->pdev->dev, " read <reg>\n");
1903 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1904 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1905 dev_info(&pf->pdev->dev, " clear_stats port\n");
1906 dev_info(&pf->pdev->dev, " pfr\n");
1907 dev_info(&pf->pdev->dev, " corer\n");
1908 dev_info(&pf->pdev->dev, " globr\n");
1909 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1910 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1911 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");
1912 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");
1913 dev_info(&pf->pdev->dev, " fd-atr off\n");
1914 dev_info(&pf->pdev->dev, " fd-atr on\n");
1915 dev_info(&pf->pdev->dev, " fd current cnt");
1916 dev_info(&pf->pdev->dev, " lldp start\n");
1917 dev_info(&pf->pdev->dev, " lldp stop\n");
1918 dev_info(&pf->pdev->dev, " lldp get local\n");
1919 dev_info(&pf->pdev->dev, " lldp get remote\n");
1920 dev_info(&pf->pdev->dev, " lldp event on\n");
1921 dev_info(&pf->pdev->dev, " lldp event off\n");
1922 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1923 }
1924
1925 command_write_done:
1926 kfree(cmd_buf);
1927 cmd_buf = NULL;
1928 return count;
1929 }
1930
1931 static const struct file_operations i40e_dbg_command_fops = {
1932 .owner = THIS_MODULE,
1933 .open = simple_open,
1934 .read = i40e_dbg_command_read,
1935 .write = i40e_dbg_command_write,
1936 };
1937
1938 /**************************************************************
1939 * netdev_ops
1940 * The netdev_ops entry in debugfs is for giving the driver commands
1941 * to be executed from the netdev operations.
1942 **************************************************************/
1943 static char i40e_dbg_netdev_ops_buf[256] = "";
1944
1945 /**
1946 * i40e_dbg_netdev_ops - read for netdev_ops datum
1947 * @filp: the opened file
1948 * @buffer: where to write the data for the user to read
1949 * @count: the size of the user's buffer
1950 * @ppos: file position offset
1951 **/
1952 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1953 size_t count, loff_t *ppos)
1954 {
1955 struct i40e_pf *pf = filp->private_data;
1956 int bytes_not_copied;
1957 int buf_size = 256;
1958 char *buf;
1959 int len;
1960
1961 /* don't allow partal reads */
1962 if (*ppos != 0)
1963 return 0;
1964 if (count < buf_size)
1965 return -ENOSPC;
1966
1967 buf = kzalloc(buf_size, GFP_KERNEL);
1968 if (!buf)
1969 return -ENOSPC;
1970
1971 len = snprintf(buf, buf_size, "%s: %s\n",
1972 pf->vsi[pf->lan_vsi]->netdev->name,
1973 i40e_dbg_netdev_ops_buf);
1974
1975 bytes_not_copied = copy_to_user(buffer, buf, len);
1976 kfree(buf);
1977
1978 if (bytes_not_copied < 0)
1979 return bytes_not_copied;
1980
1981 *ppos = len;
1982 return len;
1983 }
1984
1985 /**
1986 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1987 * @filp: the opened file
1988 * @buffer: where to find the user's data
1989 * @count: the length of the user's data
1990 * @ppos: file position offset
1991 **/
1992 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1993 const char __user *buffer,
1994 size_t count, loff_t *ppos)
1995 {
1996 struct i40e_pf *pf = filp->private_data;
1997 int bytes_not_copied;
1998 struct i40e_vsi *vsi;
1999 char *buf_tmp;
2000 int vsi_seid;
2001 int i, cnt;
2002
2003 /* don't allow partial writes */
2004 if (*ppos != 0)
2005 return 0;
2006 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2007 return -ENOSPC;
2008
2009 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2010 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2011 buffer, count);
2012 if (bytes_not_copied < 0)
2013 return bytes_not_copied;
2014 else if (bytes_not_copied > 0)
2015 count -= bytes_not_copied;
2016 i40e_dbg_netdev_ops_buf[count] = '\0';
2017
2018 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2019 if (buf_tmp) {
2020 *buf_tmp = '\0';
2021 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2022 }
2023
2024 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2025 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2026 if (cnt != 1) {
2027 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2028 goto netdev_ops_write_done;
2029 }
2030 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2031 if (!vsi) {
2032 dev_info(&pf->pdev->dev,
2033 "tx_timeout: VSI %d not found\n", vsi_seid);
2034 } else if (!vsi->netdev) {
2035 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2036 vsi_seid);
2037 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2038 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2039 vsi_seid);
2040 } else if (rtnl_trylock()) {
2041 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2042 rtnl_unlock();
2043 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2044 } else {
2045 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2046 }
2047 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2048 int mtu;
2049 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2050 &vsi_seid, &mtu);
2051 if (cnt != 2) {
2052 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2053 goto netdev_ops_write_done;
2054 }
2055 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2056 if (!vsi) {
2057 dev_info(&pf->pdev->dev,
2058 "change_mtu: VSI %d not found\n", vsi_seid);
2059 } else if (!vsi->netdev) {
2060 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2061 vsi_seid);
2062 } else if (rtnl_trylock()) {
2063 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2064 mtu);
2065 rtnl_unlock();
2066 dev_info(&pf->pdev->dev, "change_mtu called\n");
2067 } else {
2068 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2069 }
2070
2071 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2072 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2073 if (cnt != 1) {
2074 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2075 goto netdev_ops_write_done;
2076 }
2077 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2078 if (!vsi) {
2079 dev_info(&pf->pdev->dev,
2080 "set_rx_mode: VSI %d not found\n", vsi_seid);
2081 } else if (!vsi->netdev) {
2082 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2083 vsi_seid);
2084 } else if (rtnl_trylock()) {
2085 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2086 rtnl_unlock();
2087 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2088 } else {
2089 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2090 }
2091
2092 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2093 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2094 if (cnt != 1) {
2095 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2096 goto netdev_ops_write_done;
2097 }
2098 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2099 if (!vsi) {
2100 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2101 vsi_seid);
2102 } else if (!vsi->netdev) {
2103 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2104 vsi_seid);
2105 } else {
2106 for (i = 0; i < vsi->num_q_vectors; i++)
2107 napi_schedule(&vsi->q_vectors[i]->napi);
2108 dev_info(&pf->pdev->dev, "napi called\n");
2109 }
2110 } else {
2111 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2112 i40e_dbg_netdev_ops_buf);
2113 dev_info(&pf->pdev->dev, "available commands\n");
2114 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2115 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2116 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2117 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2118 }
2119 netdev_ops_write_done:
2120 return count;
2121 }
2122
2123 static const struct file_operations i40e_dbg_netdev_ops_fops = {
2124 .owner = THIS_MODULE,
2125 .open = simple_open,
2126 .read = i40e_dbg_netdev_ops_read,
2127 .write = i40e_dbg_netdev_ops_write,
2128 };
2129
2130 /**
2131 * i40e_dbg_pf_init - setup the debugfs directory for the PF
2132 * @pf: the PF that is starting up
2133 **/
2134 void i40e_dbg_pf_init(struct i40e_pf *pf)
2135 {
2136 struct dentry *pfile;
2137 const char *name = pci_name(pf->pdev);
2138 const struct device *dev = &pf->pdev->dev;
2139
2140 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
2141 if (!pf->i40e_dbg_pf)
2142 return;
2143
2144 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2145 &i40e_dbg_command_fops);
2146 if (!pfile)
2147 goto create_failed;
2148
2149 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2150 &i40e_dbg_dump_fops);
2151 if (!pfile)
2152 goto create_failed;
2153
2154 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2155 &i40e_dbg_netdev_ops_fops);
2156 if (!pfile)
2157 goto create_failed;
2158
2159 return;
2160
2161 create_failed:
2162 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2163 debugfs_remove_recursive(pf->i40e_dbg_pf);
2164 return;
2165 }
2166
2167 /**
2168 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
2169 * @pf: the PF that is stopping
2170 **/
2171 void i40e_dbg_pf_exit(struct i40e_pf *pf)
2172 {
2173 debugfs_remove_recursive(pf->i40e_dbg_pf);
2174 pf->i40e_dbg_pf = NULL;
2175
2176 kfree(i40e_dbg_dump_buf);
2177 i40e_dbg_dump_buf = NULL;
2178 }
2179
2180 /**
2181 * i40e_dbg_init - start up debugfs for the driver
2182 **/
2183 void i40e_dbg_init(void)
2184 {
2185 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2186 if (!i40e_dbg_root)
2187 pr_info("init of debugfs failed\n");
2188 }
2189
2190 /**
2191 * i40e_dbg_exit - clean out the driver's debugfs entries
2192 **/
2193 void i40e_dbg_exit(void)
2194 {
2195 debugfs_remove_recursive(i40e_dbg_root);
2196 i40e_dbg_root = NULL;
2197 }
2198
2199 #endif /* CONFIG_DEBUG_FS */
Linux kernel - Deliverables
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