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Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux/fpc-iii.git] / drivers / net / ethernet / intel / i40e / i40e_debugfs.c
blobd4b7af9a2fc82f8b55878188a0c53a5911d6ddf1
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 if (vsi == pf->vsi[pf->lan_vsi])
394 dev_info(&pf->pdev->dev, "MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
395 pf->hw.mac.addr,
396 pf->hw.mac.san_addr,
397 pf->hw.mac.port_addr);
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 (unsigned long int)nstat->rx_packets,
408 (unsigned long int)nstat->rx_bytes,
409 (unsigned long int)nstat->rx_errors,
410 (unsigned long 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 (unsigned long int)nstat->tx_packets,
414 (unsigned long int)nstat->tx_bytes,
415 (unsigned long int)nstat->tx_errors,
416 (unsigned long int)nstat->tx_dropped);
417 dev_info(&pf->pdev->dev,
418 " net_stats: multicast = %lu, collisions = %lu\n",
419 (unsigned long int)nstat->multicast,
420 (unsigned long 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 (unsigned long int)nstat->rx_length_errors,
424 (unsigned long int)nstat->rx_over_errors,
425 (unsigned long 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 (unsigned long int)nstat->rx_frame_errors,
429 (unsigned long int)nstat->rx_fifo_errors,
430 (unsigned long 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 (unsigned long int)nstat->tx_aborted_errors,
434 (unsigned long int)nstat->tx_carrier_errors,
435 (unsigned long int)nstat->tx_fifo_errors);
436 dev_info(&pf->pdev->dev,
437 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
438 (unsigned long int)nstat->tx_heartbeat_errors,
439 (unsigned long int)nstat->tx_window_errors);
440 dev_info(&pf->pdev->dev,
441 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
442 (unsigned long int)nstat->rx_compressed,
443 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.rx_packets,
447 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
448 (unsigned long int)vsi->net_stats_offsets.rx_errors,
449 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.tx_packets,
453 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
454 (unsigned long int)vsi->net_stats_offsets.tx_errors,
455 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
456 dev_info(&pf->pdev->dev,
457 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
458 (unsigned long int)vsi->net_stats_offsets.multicast,
459 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
463 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
464 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
468 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
469 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
473 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
474 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
478 (unsigned long 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 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
482 (unsigned long 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 rcu_read_lock();
488 for (i = 0; i < vsi->num_queue_pairs; i++) {
489 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
490
491 if (!rx_ring)
492 continue;
493
494 dev_info(&pf->pdev->dev,
495 " rx_rings[%i]: desc = %p\n",
496 i, rx_ring->desc);
497 dev_info(&pf->pdev->dev,
498 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
499 i, rx_ring->dev,
500 rx_ring->netdev,
501 rx_ring->rx_bi);
502 dev_info(&pf->pdev->dev,
503 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
504 i, rx_ring->state,
505 rx_ring->queue_index,
506 rx_ring->reg_idx);
507 dev_info(&pf->pdev->dev,
508 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
509 i, rx_ring->rx_hdr_len,
510 rx_ring->rx_buf_len,
511 rx_ring->dtype);
512 dev_info(&pf->pdev->dev,
513 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
514 i, rx_ring->hsplit,
515 rx_ring->next_to_use,
516 rx_ring->next_to_clean,
517 rx_ring->ring_active);
518 dev_info(&pf->pdev->dev,
519 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
520 i, rx_ring->stats.packets,
521 rx_ring->stats.bytes,
522 rx_ring->rx_stats.non_eop_descs);
523 dev_info(&pf->pdev->dev,
524 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
525 i,
526 rx_ring->rx_stats.alloc_page_failed,
527 rx_ring->rx_stats.alloc_buff_failed);
528 dev_info(&pf->pdev->dev,
529 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
530 i, rx_ring->size,
531 (unsigned long int)rx_ring->dma);
532 dev_info(&pf->pdev->dev,
533 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
534 i, rx_ring->vsi,
535 rx_ring->q_vector);
536 }
537 for (i = 0; i < vsi->num_queue_pairs; i++) {
538 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
539
540 if (!tx_ring)
541 continue;
542
543 dev_info(&pf->pdev->dev,
544 " tx_rings[%i]: desc = %p\n",
545 i, tx_ring->desc);
546 dev_info(&pf->pdev->dev,
547 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
548 i, tx_ring->dev,
549 tx_ring->netdev,
550 tx_ring->tx_bi);
551 dev_info(&pf->pdev->dev,
552 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
553 i, tx_ring->state,
554 tx_ring->queue_index,
555 tx_ring->reg_idx);
556 dev_info(&pf->pdev->dev,
557 " tx_rings[%i]: dtype = %d\n",
558 i, tx_ring->dtype);
559 dev_info(&pf->pdev->dev,
560 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
561 i, tx_ring->hsplit,
562 tx_ring->next_to_use,
563 tx_ring->next_to_clean,
564 tx_ring->ring_active);
565 dev_info(&pf->pdev->dev,
566 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
567 i, tx_ring->stats.packets,
568 tx_ring->stats.bytes,
569 tx_ring->tx_stats.restart_queue);
570 dev_info(&pf->pdev->dev,
571 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
572 i,
573 tx_ring->tx_stats.tx_busy,
574 tx_ring->tx_stats.tx_done_old);
575 dev_info(&pf->pdev->dev,
576 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
577 i, tx_ring->size,
578 (unsigned long int)tx_ring->dma);
579 dev_info(&pf->pdev->dev,
580 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
581 i, tx_ring->vsi,
582 tx_ring->q_vector);
583 dev_info(&pf->pdev->dev,
584 " tx_rings[%i]: DCB tc = %d\n",
585 i, tx_ring->dcb_tc);
586 }
587 rcu_read_unlock();
588 dev_info(&pf->pdev->dev,
589 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
590 vsi->work_limit, vsi->rx_itr_setting,
591 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
592 vsi->tx_itr_setting,
593 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
594 dev_info(&pf->pdev->dev,
595 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
596 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
597 dev_info(&pf->pdev->dev,
598 " num_q_vectors = %i, base_vector = %i\n",
599 vsi->num_q_vectors, vsi->base_vector);
600 dev_info(&pf->pdev->dev,
601 " seid = %d, id = %d, uplink_seid = %d\n",
602 vsi->seid, vsi->id, vsi->uplink_seid);
603 dev_info(&pf->pdev->dev,
604 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
605 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
606 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
607 dev_info(&pf->pdev->dev,
608 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
609 vsi->info.valid_sections, vsi->info.switch_id);
610 dev_info(&pf->pdev->dev,
611 " info: sw_reserved[] = 0x%02x 0x%02x\n",
612 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
613 dev_info(&pf->pdev->dev,
614 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
615 vsi->info.sec_flags, vsi->info.sec_reserved);
616 dev_info(&pf->pdev->dev,
617 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
618 vsi->info.pvid, vsi->info.fcoe_pvid,
619 vsi->info.port_vlan_flags);
620 dev_info(&pf->pdev->dev,
621 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
622 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
623 vsi->info.pvlan_reserved[2]);
624 dev_info(&pf->pdev->dev,
625 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
626 vsi->info.ingress_table, vsi->info.egress_table);
627 dev_info(&pf->pdev->dev,
628 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
629 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
630 vsi->info.cas_pv_reserved);
631 dev_info(&pf->pdev->dev,
632 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
633 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
634 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
635 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
636 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
637 dev_info(&pf->pdev->dev,
638 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
639 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
640 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
641 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
642 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
643 dev_info(&pf->pdev->dev,
644 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
645 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
646 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
647 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
648 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
649 dev_info(&pf->pdev->dev,
650 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
651 vsi->info.queueing_opt_flags,
652 vsi->info.queueing_opt_reserved[0],
653 vsi->info.queueing_opt_reserved[1],
654 vsi->info.queueing_opt_reserved[2]);
655 dev_info(&pf->pdev->dev,
656 " info: up_enable_bits = 0x%02x\n",
657 vsi->info.up_enable_bits);
658 dev_info(&pf->pdev->dev,
659 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
660 vsi->info.sched_reserved, vsi->info.outer_up_table);
661 dev_info(&pf->pdev->dev,
662 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
663 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
664 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
665 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
666 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
667 dev_info(&pf->pdev->dev,
668 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
669 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
670 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
671 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
672 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
673 dev_info(&pf->pdev->dev,
674 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
675 vsi->info.stat_counter_idx, vsi->info.sched_id);
676 dev_info(&pf->pdev->dev,
677 " 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",
678 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
679 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
680 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
681 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
682 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
683 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
684 if (vsi->back)
685 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
686 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
687 dev_info(&pf->pdev->dev,
688 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
689 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
690 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
691 dev_info(&pf->pdev->dev,
692 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
693 i, vsi->tc_config.tc_info[i].qoffset,
694 vsi->tc_config.tc_info[i].qcount,
695 vsi->tc_config.tc_info[i].netdev_tc);
696 }
697 dev_info(&pf->pdev->dev,
698 " bw: bw_limit = %d, bw_max_quanta = %d\n",
699 vsi->bw_limit, vsi->bw_max_quanta);
700 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
701 dev_info(&pf->pdev->dev,
702 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
703 i, vsi->bw_ets_share_credits[i],
704 vsi->bw_ets_limit_credits[i],
705 vsi->bw_ets_max_quanta[i]);
706 }
707 #ifdef I40E_FCOE
708 if (vsi->type == I40E_VSI_FCOE) {
709 dev_info(&pf->pdev->dev,
710 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
711 vsi->fcoe_stats.rx_fcoe_packets,
712 vsi->fcoe_stats.rx_fcoe_dwords,
713 vsi->fcoe_stats.rx_fcoe_dropped);
714 dev_info(&pf->pdev->dev,
715 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
716 vsi->fcoe_stats.tx_fcoe_packets,
717 vsi->fcoe_stats.tx_fcoe_dwords);
718 dev_info(&pf->pdev->dev,
719 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
720 vsi->fcoe_stats.fcoe_bad_fccrc,
721 vsi->fcoe_stats.fcoe_last_error);
722 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
723 vsi->fcoe_stats.fcoe_ddp_count);
724 }
725 #endif
726 }
727
728 /**
729 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
730 * @pf: the i40e_pf created in command write
731 **/
732 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
733 {
734 struct i40e_adminq_ring *ring;
735 struct i40e_hw *hw = &pf->hw;
736 char hdr[32];
737 int i;
738
739 snprintf(hdr, sizeof(hdr), "%s %s: ",
740 dev_driver_string(&pf->pdev->dev),
741 dev_name(&pf->pdev->dev));
742
743 /* first the send (command) ring, then the receive (event) ring */
744 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
745 ring = &(hw->aq.asq);
746 for (i = 0; i < ring->count; i++) {
747 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
748
749 dev_info(&pf->pdev->dev,
750 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
751 i, d->flags, d->opcode, d->datalen, d->retval,
752 d->cookie_high, d->cookie_low);
753 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
754 16, 1, d->params.raw, 16, 0);
755 }
756
757 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
758 ring = &(hw->aq.arq);
759 for (i = 0; i < ring->count; i++) {
760 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
761
762 dev_info(&pf->pdev->dev,
763 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
764 i, d->flags, d->opcode, d->datalen, d->retval,
765 d->cookie_high, d->cookie_low);
766 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
767 16, 1, d->params.raw, 16, 0);
768 }
769 }
770
771 /**
772 * i40e_dbg_dump_desc - handles dump desc write into command datum
773 * @cnt: number of arguments that the user supplied
774 * @vsi_seid: vsi id entered by user
775 * @ring_id: ring id entered by user
776 * @desc_n: descriptor number entered by user
777 * @pf: the i40e_pf created in command write
778 * @is_rx_ring: true if rx, false if tx
779 **/
780 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
781 struct i40e_pf *pf, bool is_rx_ring)
782 {
783 struct i40e_tx_desc *txd;
784 union i40e_rx_desc *rxd;
785 struct i40e_ring *ring;
786 struct i40e_vsi *vsi;
787 int i;
788
789 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
790 if (!vsi) {
791 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
792 return;
793 }
794 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
795 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
796 return;
797 }
798 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
799 dev_info(&pf->pdev->dev,
800 "descriptor rings have not been allocated for vsi %d\n",
801 vsi_seid);
802 return;
803 }
804
805 ring = kmemdup(is_rx_ring
806 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
807 sizeof(*ring), GFP_KERNEL);
808 if (!ring)
809 return;
810
811 if (cnt == 2) {
812 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
813 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
814 for (i = 0; i < ring->count; i++) {
815 if (!is_rx_ring) {
816 txd = I40E_TX_DESC(ring, i);
817 dev_info(&pf->pdev->dev,
818 " d[%03i] = 0x%016llx 0x%016llx\n",
819 i, txd->buffer_addr,
820 txd->cmd_type_offset_bsz);
821 } else if (sizeof(union i40e_rx_desc) ==
822 sizeof(union i40e_16byte_rx_desc)) {
823 rxd = I40E_RX_DESC(ring, i);
824 dev_info(&pf->pdev->dev,
825 " d[%03i] = 0x%016llx 0x%016llx\n",
826 i, rxd->read.pkt_addr,
827 rxd->read.hdr_addr);
828 } else {
829 rxd = I40E_RX_DESC(ring, i);
830 dev_info(&pf->pdev->dev,
831 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
832 i, rxd->read.pkt_addr,
833 rxd->read.hdr_addr,
834 rxd->read.rsvd1, rxd->read.rsvd2);
835 }
836 }
837 } else if (cnt == 3) {
838 if (desc_n >= ring->count || desc_n < 0) {
839 dev_info(&pf->pdev->dev,
840 "descriptor %d not found\n", desc_n);
841 goto out;
842 }
843 if (!is_rx_ring) {
844 txd = I40E_TX_DESC(ring, desc_n);
845 dev_info(&pf->pdev->dev,
846 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
847 vsi_seid, ring_id, desc_n,
848 txd->buffer_addr, txd->cmd_type_offset_bsz);
849 } else if (sizeof(union i40e_rx_desc) ==
850 sizeof(union i40e_16byte_rx_desc)) {
851 rxd = I40E_RX_DESC(ring, desc_n);
852 dev_info(&pf->pdev->dev,
853 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
854 vsi_seid, ring_id, desc_n,
855 rxd->read.pkt_addr, rxd->read.hdr_addr);
856 } else {
857 rxd = I40E_RX_DESC(ring, desc_n);
858 dev_info(&pf->pdev->dev,
859 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
860 vsi_seid, ring_id, desc_n,
861 rxd->read.pkt_addr, rxd->read.hdr_addr,
862 rxd->read.rsvd1, rxd->read.rsvd2);
863 }
864 } else {
865 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
866 }
867
868 out:
869 kfree(ring);
870 }
871
872 /**
873 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
874 * @pf: the i40e_pf created in command write
875 **/
876 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
877 {
878 int i;
879
880 for (i = 0; i < pf->num_alloc_vsi; i++)
881 if (pf->vsi[i])
882 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
883 i, pf->vsi[i]->seid);
884 }
885
886 /**
887 * i40e_dbg_dump_stats - handles dump stats write into command datum
888 * @pf: the i40e_pf created in command write
889 * @estats: the eth stats structure to be dumped
890 **/
891 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
892 struct i40e_eth_stats *estats)
893 {
894 dev_info(&pf->pdev->dev, " ethstats:\n");
895 dev_info(&pf->pdev->dev,
896 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
897 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
898 dev_info(&pf->pdev->dev,
899 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
900 estats->rx_broadcast, estats->rx_discards);
901 dev_info(&pf->pdev->dev,
902 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
903 estats->rx_unknown_protocol, estats->tx_bytes);
904 dev_info(&pf->pdev->dev,
905 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
906 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
907 dev_info(&pf->pdev->dev,
908 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
909 estats->tx_discards, estats->tx_errors);
910 }
911
912 /**
913 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
914 * @pf: the i40e_pf created in command write
915 * @seid: the seid the user put in
916 **/
917 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
918 {
919 struct i40e_veb *veb;
920
921 if ((seid < I40E_BASE_VEB_SEID) ||
922 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
923 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
924 return;
925 }
926
927 veb = i40e_dbg_find_veb(pf, seid);
928 if (!veb) {
929 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
930 return;
931 }
932 dev_info(&pf->pdev->dev,
933 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
934 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
935 veb->uplink_seid,
936 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
937 i40e_dbg_dump_eth_stats(pf, &veb->stats);
938 }
939
940 /**
941 * i40e_dbg_dump_veb_all - dumps all known veb's stats
942 * @pf: the i40e_pf created in command write
943 **/
944 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
945 {
946 struct i40e_veb *veb;
947 int i;
948
949 for (i = 0; i < I40E_MAX_VEB; i++) {
950 veb = pf->veb[i];
951 if (veb)
952 i40e_dbg_dump_veb_seid(pf, veb->seid);
953 }
954 }
955
956 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
957 /**
958 * i40e_dbg_command_write - write into command datum
959 * @filp: the opened file
960 * @buffer: where to find the user's data
961 * @count: the length of the user's data
962 * @ppos: file position offset
963 **/
964 static ssize_t i40e_dbg_command_write(struct file *filp,
965 const char __user *buffer,
966 size_t count, loff_t *ppos)
967 {
968 struct i40e_pf *pf = filp->private_data;
969 char *cmd_buf, *cmd_buf_tmp;
970 int bytes_not_copied;
971 struct i40e_vsi *vsi;
972 int vsi_seid;
973 int veb_seid;
974 int cnt;
975
976 /* don't allow partial writes */
977 if (*ppos != 0)
978 return 0;
979
980 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
981 if (!cmd_buf)
982 return count;
983 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
984 if (bytes_not_copied < 0) {
985 kfree(cmd_buf);
986 return bytes_not_copied;
987 }
988 if (bytes_not_copied > 0)
989 count -= bytes_not_copied;
990 cmd_buf[count] = '\0';
991
992 cmd_buf_tmp = strchr(cmd_buf, '\n');
993 if (cmd_buf_tmp) {
994 *cmd_buf_tmp = '\0';
995 count = cmd_buf_tmp - cmd_buf + 1;
996 }
997
998 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
999 vsi_seid = -1;
1000 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1001 if (cnt == 0) {
1002 /* default to PF VSI */
1003 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1004 } else if (vsi_seid < 0) {
1005 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1006 vsi_seid);
1007 goto command_write_done;
1008 }
1009
1010 /* By default we are in VEPA mode, if this is the first VF/VMDq
1011 * VSI to be added switch to VEB mode.
1012 */
1013 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1014 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1015 i40e_do_reset_safe(pf,
1016 BIT_ULL(__I40E_PF_RESET_REQUESTED));
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 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1028 if (cnt != 1) {
1029 dev_info(&pf->pdev->dev,
1030 "del vsi: bad command string, cnt=%d\n",
1031 cnt);
1032 goto command_write_done;
1033 }
1034 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1035 if (!vsi) {
1036 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1037 vsi_seid);
1038 goto command_write_done;
1039 }
1040
1041 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1042 i40e_vsi_release(vsi);
1043
1044 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1045 struct i40e_veb *veb;
1046 int uplink_seid, i;
1047
1048 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1049 if (cnt != 2) {
1050 dev_info(&pf->pdev->dev,
1051 "add relay: bad command string, cnt=%d\n",
1052 cnt);
1053 goto command_write_done;
1054 } else if (uplink_seid < 0) {
1055 dev_info(&pf->pdev->dev,
1056 "add relay %d: bad uplink seid\n",
1057 uplink_seid);
1058 goto command_write_done;
1059 }
1060
1061 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1062 if (!vsi) {
1063 dev_info(&pf->pdev->dev,
1064 "add relay: VSI %d not found\n", vsi_seid);
1065 goto command_write_done;
1066 }
1067
1068 for (i = 0; i < I40E_MAX_VEB; i++)
1069 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1070 break;
1071 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1072 uplink_seid != pf->mac_seid) {
1073 dev_info(&pf->pdev->dev,
1074 "add relay: relay uplink %d not found\n",
1075 uplink_seid);
1076 goto command_write_done;
1077 }
1078
1079 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1080 vsi->tc_config.enabled_tc);
1081 if (veb)
1082 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1083 else
1084 dev_info(&pf->pdev->dev, "add relay failed\n");
1085
1086 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1087 int i;
1088 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1089 if (cnt != 1) {
1090 dev_info(&pf->pdev->dev,
1091 "del relay: bad command string, cnt=%d\n",
1092 cnt);
1093 goto command_write_done;
1094 } else if (veb_seid < 0) {
1095 dev_info(&pf->pdev->dev,
1096 "del relay %d: bad relay seid\n", veb_seid);
1097 goto command_write_done;
1098 }
1099
1100 /* find the veb */
1101 for (i = 0; i < I40E_MAX_VEB; i++)
1102 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1103 break;
1104 if (i >= I40E_MAX_VEB) {
1105 dev_info(&pf->pdev->dev,
1106 "del relay: relay %d not found\n", veb_seid);
1107 goto command_write_done;
1108 }
1109
1110 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1111 i40e_veb_release(pf->veb[i]);
1112
1113 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
1114 struct i40e_mac_filter *f;
1115 int vlan = 0;
1116 u8 ma[6];
1117 int ret;
1118
1119 cnt = sscanf(&cmd_buf[11],
1120 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1121 &vsi_seid,
1122 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1123 &vlan);
1124 if (cnt == 7) {
1125 vlan = 0;
1126 } else if (cnt != 8) {
1127 dev_info(&pf->pdev->dev,
1128 "add macaddr: bad command string, cnt=%d\n",
1129 cnt);
1130 goto command_write_done;
1131 }
1132
1133 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1134 if (!vsi) {
1135 dev_info(&pf->pdev->dev,
1136 "add macaddr: VSI %d not found\n", vsi_seid);
1137 goto command_write_done;
1138 }
1139
1140 spin_lock_bh(&vsi->mac_filter_list_lock);
1141 f = i40e_add_filter(vsi, ma, vlan, false, false);
1142 spin_unlock_bh(&vsi->mac_filter_list_lock);
1143 ret = i40e_sync_vsi_filters(vsi, true);
1144 if (f && !ret)
1145 dev_info(&pf->pdev->dev,
1146 "add macaddr: %pM vlan=%d added to VSI %d\n",
1147 ma, vlan, vsi_seid);
1148 else
1149 dev_info(&pf->pdev->dev,
1150 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1151 ma, vlan, vsi_seid, f, ret);
1152
1153 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
1154 int vlan = 0;
1155 u8 ma[6];
1156 int ret;
1157
1158 cnt = sscanf(&cmd_buf[11],
1159 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1160 &vsi_seid,
1161 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1162 &vlan);
1163 if (cnt == 7) {
1164 vlan = 0;
1165 } else if (cnt != 8) {
1166 dev_info(&pf->pdev->dev,
1167 "del macaddr: bad command string, cnt=%d\n",
1168 cnt);
1169 goto command_write_done;
1170 }
1171
1172 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1173 if (!vsi) {
1174 dev_info(&pf->pdev->dev,
1175 "del macaddr: VSI %d not found\n", vsi_seid);
1176 goto command_write_done;
1177 }
1178
1179 spin_lock_bh(&vsi->mac_filter_list_lock);
1180 i40e_del_filter(vsi, ma, vlan, false, false);
1181 spin_unlock_bh(&vsi->mac_filter_list_lock);
1182 ret = i40e_sync_vsi_filters(vsi, true);
1183 if (!ret)
1184 dev_info(&pf->pdev->dev,
1185 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1186 ma, vlan, vsi_seid);
1187 else
1188 dev_info(&pf->pdev->dev,
1189 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1190 ma, vlan, vsi_seid, ret);
1191
1192 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
1193 i40e_status ret;
1194 u16 vid;
1195 unsigned int v;
1196
1197 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1198 if (cnt != 2) {
1199 dev_info(&pf->pdev->dev,
1200 "add pvid: bad command string, cnt=%d\n", cnt);
1201 goto command_write_done;
1202 }
1203
1204 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1205 if (!vsi) {
1206 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1207 vsi_seid);
1208 goto command_write_done;
1209 }
1210
1211 vid = v;
1212 ret = i40e_vsi_add_pvid(vsi, vid);
1213 if (!ret)
1214 dev_info(&pf->pdev->dev,
1215 "add pvid: %d added to VSI %d\n",
1216 vid, vsi_seid);
1217 else
1218 dev_info(&pf->pdev->dev,
1219 "add pvid: %d to VSI %d failed, ret=%d\n",
1220 vid, vsi_seid, ret);
1221
1222 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1223
1224 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1225 if (cnt != 1) {
1226 dev_info(&pf->pdev->dev,
1227 "del pvid: bad command string, cnt=%d\n",
1228 cnt);
1229 goto command_write_done;
1230 }
1231
1232 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1233 if (!vsi) {
1234 dev_info(&pf->pdev->dev,
1235 "del pvid: VSI %d not found\n", vsi_seid);
1236 goto command_write_done;
1237 }
1238
1239 i40e_vsi_remove_pvid(vsi);
1240 dev_info(&pf->pdev->dev,
1241 "del pvid: removed from VSI %d\n", vsi_seid);
1242
1243 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1244 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1245 i40e_fetch_switch_configuration(pf, true);
1246 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1247 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1248 if (cnt > 0)
1249 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1250 else
1251 i40e_dbg_dump_vsi_no_seid(pf);
1252 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1253 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1254 if (cnt > 0)
1255 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1256 else
1257 i40e_dbg_dump_veb_all(pf);
1258 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1259 int ring_id, desc_n;
1260 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1261 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1262 &vsi_seid, &ring_id, &desc_n);
1263 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1264 desc_n, pf, true);
1265 } else if (strncmp(&cmd_buf[10], "tx", 2)
1266 == 0) {
1267 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1268 &vsi_seid, &ring_id, &desc_n);
1269 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1270 desc_n, pf, false);
1271 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1272 i40e_dbg_dump_aq_desc(pf);
1273 } else {
1274 dev_info(&pf->pdev->dev,
1275 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1276 dev_info(&pf->pdev->dev,
1277 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1278 dev_info(&pf->pdev->dev, "dump desc aq\n");
1279 }
1280 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1281 dev_info(&pf->pdev->dev,
1282 "core reset count: %d\n", pf->corer_count);
1283 dev_info(&pf->pdev->dev,
1284 "global reset count: %d\n", pf->globr_count);
1285 dev_info(&pf->pdev->dev,
1286 "emp reset count: %d\n", pf->empr_count);
1287 dev_info(&pf->pdev->dev,
1288 "pf reset count: %d\n", pf->pfr_count);
1289 dev_info(&pf->pdev->dev,
1290 "pf tx sluggish count: %d\n",
1291 pf->tx_sluggish_count);
1292 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1293 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1294 struct i40e_dcbx_config *cfg =
1295 &pf->hw.local_dcbx_config;
1296 struct i40e_dcbx_config *r_cfg =
1297 &pf->hw.remote_dcbx_config;
1298 int i, ret;
1299
1300 bw_data = kzalloc(sizeof(
1301 struct i40e_aqc_query_port_ets_config_resp),
1302 GFP_KERNEL);
1303 if (!bw_data) {
1304 ret = -ENOMEM;
1305 goto command_write_done;
1306 }
1307
1308 ret = i40e_aq_query_port_ets_config(&pf->hw,
1309 pf->mac_seid,
1310 bw_data, NULL);
1311 if (ret) {
1312 dev_info(&pf->pdev->dev,
1313 "Query Port ETS Config AQ command failed =0x%x\n",
1314 pf->hw.aq.asq_last_status);
1315 kfree(bw_data);
1316 bw_data = NULL;
1317 goto command_write_done;
1318 }
1319 dev_info(&pf->pdev->dev,
1320 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1321 bw_data->tc_valid_bits,
1322 bw_data->tc_strict_priority_bits,
1323 le16_to_cpu(bw_data->tc_bw_max[0]),
1324 le16_to_cpu(bw_data->tc_bw_max[1]));
1325 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1326 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1327 bw_data->tc_bw_share_credits[i],
1328 le16_to_cpu(bw_data->tc_bw_limits[i]));
1329 }
1330
1331 kfree(bw_data);
1332 bw_data = NULL;
1333
1334 dev_info(&pf->pdev->dev,
1335 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1336 dev_info(&pf->pdev->dev,
1337 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1338 cfg->etscfg.willing, cfg->etscfg.cbs,
1339 cfg->etscfg.maxtcs);
1340 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1341 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1342 i, cfg->etscfg.prioritytable[i],
1343 cfg->etscfg.tcbwtable[i],
1344 cfg->etscfg.tsatable[i]);
1345 }
1346 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1347 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1348 i, cfg->etsrec.prioritytable[i],
1349 cfg->etsrec.tcbwtable[i],
1350 cfg->etsrec.tsatable[i]);
1351 }
1352 dev_info(&pf->pdev->dev,
1353 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1354 cfg->pfc.willing, cfg->pfc.mbc,
1355 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1356 dev_info(&pf->pdev->dev,
1357 "port app_table: num_apps=%d\n", cfg->numapps);
1358 for (i = 0; i < cfg->numapps; i++) {
1359 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1360 i, cfg->app[i].priority,
1361 cfg->app[i].selector,
1362 cfg->app[i].protocolid);
1363 }
1364 /* Peer TLV DCBX data */
1365 dev_info(&pf->pdev->dev,
1366 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1367 r_cfg->etscfg.willing,
1368 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1369 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1370 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1371 i, r_cfg->etscfg.prioritytable[i],
1372 r_cfg->etscfg.tcbwtable[i],
1373 r_cfg->etscfg.tsatable[i]);
1374 }
1375 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1376 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1377 i, r_cfg->etsrec.prioritytable[i],
1378 r_cfg->etsrec.tcbwtable[i],
1379 r_cfg->etsrec.tsatable[i]);
1380 }
1381 dev_info(&pf->pdev->dev,
1382 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1383 r_cfg->pfc.willing,
1384 r_cfg->pfc.mbc,
1385 r_cfg->pfc.pfccap,
1386 r_cfg->pfc.pfcenable);
1387 dev_info(&pf->pdev->dev,
1388 "remote port app_table: num_apps=%d\n",
1389 r_cfg->numapps);
1390 for (i = 0; i < r_cfg->numapps; i++) {
1391 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1392 i, r_cfg->app[i].priority,
1393 r_cfg->app[i].selector,
1394 r_cfg->app[i].protocolid);
1395 }
1396 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1397 int cluster_id, table_id;
1398 int index, ret;
1399 u16 buff_len = 4096;
1400 u32 next_index;
1401 u8 next_table;
1402 u8 *buff;
1403 u16 rlen;
1404
1405 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1406 &cluster_id, &table_id, &index);
1407 if (cnt != 3) {
1408 dev_info(&pf->pdev->dev,
1409 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1410 goto command_write_done;
1411 }
1412
1413 dev_info(&pf->pdev->dev,
1414 "AQ debug dump fwdata params %x %x %x %x\n",
1415 cluster_id, table_id, index, buff_len);
1416 buff = kzalloc(buff_len, GFP_KERNEL);
1417 if (!buff)
1418 goto command_write_done;
1419
1420 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1421 index, buff_len, buff, &rlen,
1422 &next_table, &next_index,
1423 NULL);
1424 if (ret) {
1425 dev_info(&pf->pdev->dev,
1426 "debug dump fwdata AQ Failed %d 0x%x\n",
1427 ret, pf->hw.aq.asq_last_status);
1428 kfree(buff);
1429 buff = NULL;
1430 goto command_write_done;
1431 }
1432 dev_info(&pf->pdev->dev,
1433 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1434 rlen, next_table, next_index);
1435 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1436 DUMP_PREFIX_OFFSET, 16, 1,
1437 buff, rlen, true);
1438 kfree(buff);
1439 buff = NULL;
1440 } else {
1441 dev_info(&pf->pdev->dev,
1442 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1443 dev_info(&pf->pdev->dev, "dump switch\n");
1444 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1445 dev_info(&pf->pdev->dev, "dump reset stats\n");
1446 dev_info(&pf->pdev->dev, "dump port\n");
1447 dev_info(&pf->pdev->dev,
1448 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1449 }
1450
1451 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1452 u32 level;
1453 cnt = sscanf(&cmd_buf[10], "%i", &level);
1454 if (cnt) {
1455 if (I40E_DEBUG_USER & level) {
1456 pf->hw.debug_mask = level;
1457 dev_info(&pf->pdev->dev,
1458 "set hw.debug_mask = 0x%08x\n",
1459 pf->hw.debug_mask);
1460 }
1461 pf->msg_enable = level;
1462 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1463 pf->msg_enable);
1464 } else {
1465 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1466 pf->msg_enable);
1467 }
1468 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1469 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1470 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1471
1472 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1473 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1474 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1475
1476 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1477 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1478 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1479
1480 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1481 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1482 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1483
1484 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1485 u32 address;
1486 u32 value;
1487
1488 cnt = sscanf(&cmd_buf[4], "%i", &address);
1489 if (cnt != 1) {
1490 dev_info(&pf->pdev->dev, "read <reg>\n");
1491 goto command_write_done;
1492 }
1493
1494 /* check the range on address */
1495 if (address > (pf->ioremap_len - sizeof(u32))) {
1496 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1497 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1498 goto command_write_done;
1499 }
1500
1501 value = rd32(&pf->hw, address);
1502 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1503 address, value);
1504
1505 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1506 u32 address, value;
1507
1508 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1509 if (cnt != 2) {
1510 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1511 goto command_write_done;
1512 }
1513
1514 /* check the range on address */
1515 if (address > (pf->ioremap_len - sizeof(u32))) {
1516 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1517 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1518 goto command_write_done;
1519 }
1520 wr32(&pf->hw, address, value);
1521 value = rd32(&pf->hw, address);
1522 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1523 address, value);
1524 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1525 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1526 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1527 if (cnt == 0) {
1528 int i;
1529
1530 for (i = 0; i < pf->num_alloc_vsi; i++)
1531 i40e_vsi_reset_stats(pf->vsi[i]);
1532 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1533 } else if (cnt == 1) {
1534 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1535 if (!vsi) {
1536 dev_info(&pf->pdev->dev,
1537 "clear_stats vsi: bad vsi %d\n",
1538 vsi_seid);
1539 goto command_write_done;
1540 }
1541 i40e_vsi_reset_stats(vsi);
1542 dev_info(&pf->pdev->dev,
1543 "vsi clear stats called for vsi %d\n",
1544 vsi_seid);
1545 } else {
1546 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1547 }
1548 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1549 if (pf->hw.partition_id == 1) {
1550 i40e_pf_reset_stats(pf);
1551 dev_info(&pf->pdev->dev, "port stats cleared\n");
1552 } else {
1553 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1554 }
1555 } else {
1556 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1557 }
1558 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1559 struct i40e_aq_desc *desc;
1560 i40e_status ret;
1561
1562 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1563 if (!desc)
1564 goto command_write_done;
1565 cnt = sscanf(&cmd_buf[11],
1566 "%hi %hi %hi %hi %i %i %i %i %i %i",
1567 &desc->flags,
1568 &desc->opcode, &desc->datalen, &desc->retval,
1569 &desc->cookie_high, &desc->cookie_low,
1570 &desc->params.internal.param0,
1571 &desc->params.internal.param1,
1572 &desc->params.internal.param2,
1573 &desc->params.internal.param3);
1574 if (cnt != 10) {
1575 dev_info(&pf->pdev->dev,
1576 "send aq_cmd: bad command string, cnt=%d\n",
1577 cnt);
1578 kfree(desc);
1579 desc = NULL;
1580 goto command_write_done;
1581 }
1582 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1583 if (!ret) {
1584 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1585 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1586 dev_info(&pf->pdev->dev,
1587 "AQ command send failed Opcode %x AQ Error: %d\n",
1588 desc->opcode, pf->hw.aq.asq_last_status);
1589 } else {
1590 dev_info(&pf->pdev->dev,
1591 "AQ command send failed Opcode %x Status: %d\n",
1592 desc->opcode, ret);
1593 }
1594 dev_info(&pf->pdev->dev,
1595 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1596 desc->flags, desc->opcode, desc->datalen, desc->retval,
1597 desc->cookie_high, desc->cookie_low,
1598 desc->params.internal.param0,
1599 desc->params.internal.param1,
1600 desc->params.internal.param2,
1601 desc->params.internal.param3);
1602 kfree(desc);
1603 desc = NULL;
1604 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1605 struct i40e_aq_desc *desc;
1606 i40e_status ret;
1607 u16 buffer_len;
1608 u8 *buff;
1609
1610 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1611 if (!desc)
1612 goto command_write_done;
1613 cnt = sscanf(&cmd_buf[20],
1614 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1615 &desc->flags,
1616 &desc->opcode, &desc->datalen, &desc->retval,
1617 &desc->cookie_high, &desc->cookie_low,
1618 &desc->params.internal.param0,
1619 &desc->params.internal.param1,
1620 &desc->params.internal.param2,
1621 &desc->params.internal.param3,
1622 &buffer_len);
1623 if (cnt != 11) {
1624 dev_info(&pf->pdev->dev,
1625 "send indirect aq_cmd: bad command string, cnt=%d\n",
1626 cnt);
1627 kfree(desc);
1628 desc = NULL;
1629 goto command_write_done;
1630 }
1631 /* Just stub a buffer big enough in case user messed up */
1632 if (buffer_len == 0)
1633 buffer_len = 1280;
1634
1635 buff = kzalloc(buffer_len, GFP_KERNEL);
1636 if (!buff) {
1637 kfree(desc);
1638 desc = NULL;
1639 goto command_write_done;
1640 }
1641 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1642 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1643 buffer_len, NULL);
1644 if (!ret) {
1645 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1646 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1647 dev_info(&pf->pdev->dev,
1648 "AQ command send failed Opcode %x AQ Error: %d\n",
1649 desc->opcode, pf->hw.aq.asq_last_status);
1650 } else {
1651 dev_info(&pf->pdev->dev,
1652 "AQ command send failed Opcode %x Status: %d\n",
1653 desc->opcode, ret);
1654 }
1655 dev_info(&pf->pdev->dev,
1656 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1657 desc->flags, desc->opcode, desc->datalen, desc->retval,
1658 desc->cookie_high, desc->cookie_low,
1659 desc->params.internal.param0,
1660 desc->params.internal.param1,
1661 desc->params.internal.param2,
1662 desc->params.internal.param3);
1663 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1664 DUMP_PREFIX_OFFSET, 16, 1,
1665 buff, buffer_len, true);
1666 kfree(buff);
1667 buff = NULL;
1668 kfree(desc);
1669 desc = NULL;
1670 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1671 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1672 struct i40e_fdir_filter fd_data;
1673 u16 packet_len, i, j = 0;
1674 char *asc_packet;
1675 u8 *raw_packet;
1676 bool add = false;
1677 int ret;
1678
1679 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1680 goto command_write_done;
1681
1682 if (strncmp(cmd_buf, "add", 3) == 0)
1683 add = true;
1684
1685 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1686 goto command_write_done;
1687
1688 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1689 GFP_KERNEL);
1690 if (!asc_packet)
1691 goto command_write_done;
1692
1693 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1694 GFP_KERNEL);
1695
1696 if (!raw_packet) {
1697 kfree(asc_packet);
1698 asc_packet = NULL;
1699 goto command_write_done;
1700 }
1701
1702 cnt = sscanf(&cmd_buf[13],
1703 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1704 &fd_data.q_index,
1705 &fd_data.flex_off, &fd_data.pctype,
1706 &fd_data.dest_vsi, &fd_data.dest_ctl,
1707 &fd_data.fd_status, &fd_data.cnt_index,
1708 &fd_data.fd_id, &packet_len, asc_packet);
1709 if (cnt != 10) {
1710 dev_info(&pf->pdev->dev,
1711 "program fd_filter: bad command string, cnt=%d\n",
1712 cnt);
1713 kfree(asc_packet);
1714 asc_packet = NULL;
1715 kfree(raw_packet);
1716 goto command_write_done;
1717 }
1718
1719 /* fix packet length if user entered 0 */
1720 if (packet_len == 0)
1721 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1722
1723 /* make sure to check the max as well */
1724 packet_len = min_t(u16,
1725 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1726
1727 for (i = 0; i < packet_len; i++) {
1728 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
1729 if (!cnt)
1730 break;
1731 j += 3;
1732 }
1733 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1734 print_hex_dump(KERN_INFO, "FD raw packet: ",
1735 DUMP_PREFIX_OFFSET, 16, 1,
1736 raw_packet, packet_len, true);
1737 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1738 if (!ret) {
1739 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1740 } else {
1741 dev_info(&pf->pdev->dev,
1742 "Filter command send failed %d\n", ret);
1743 }
1744 kfree(raw_packet);
1745 raw_packet = NULL;
1746 kfree(asc_packet);
1747 asc_packet = NULL;
1748 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1749 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1750 i40e_get_current_fd_count(pf));
1751 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1752 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1753 int ret;
1754
1755 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1756 if (ret) {
1757 dev_info(&pf->pdev->dev,
1758 "Stop LLDP AQ command failed =0x%x\n",
1759 pf->hw.aq.asq_last_status);
1760 goto command_write_done;
1761 }
1762 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1763 pf->hw.mac.addr,
1764 I40E_ETH_P_LLDP, 0,
1765 pf->vsi[pf->lan_vsi]->seid,
1766 0, true, NULL, NULL);
1767 if (ret) {
1768 dev_info(&pf->pdev->dev,
1769 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1770 __func__, pf->hw.aq.asq_last_status);
1771 goto command_write_done;
1772 }
1773 #ifdef CONFIG_I40E_DCB
1774 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1775 DCB_CAP_DCBX_VER_IEEE;
1776 #endif /* CONFIG_I40E_DCB */
1777 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1778 int ret;
1779
1780 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1781 pf->hw.mac.addr,
1782 I40E_ETH_P_LLDP, 0,
1783 pf->vsi[pf->lan_vsi]->seid,
1784 0, false, NULL, NULL);
1785 if (ret) {
1786 dev_info(&pf->pdev->dev,
1787 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1788 __func__, pf->hw.aq.asq_last_status);
1789 /* Continue and start FW LLDP anyways */
1790 }
1791
1792 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1793 if (ret) {
1794 dev_info(&pf->pdev->dev,
1795 "Start LLDP AQ command failed =0x%x\n",
1796 pf->hw.aq.asq_last_status);
1797 goto command_write_done;
1798 }
1799 #ifdef CONFIG_I40E_DCB
1800 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1801 DCB_CAP_DCBX_VER_IEEE;
1802 #endif /* CONFIG_I40E_DCB */
1803 } else if (strncmp(&cmd_buf[5],
1804 "get local", 9) == 0) {
1805 u16 llen, rlen;
1806 int ret;
1807 u8 *buff;
1808
1809 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1810 if (!buff)
1811 goto command_write_done;
1812
1813 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1814 I40E_AQ_LLDP_MIB_LOCAL,
1815 buff, I40E_LLDPDU_SIZE,
1816 &llen, &rlen, NULL);
1817 if (ret) {
1818 dev_info(&pf->pdev->dev,
1819 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1820 pf->hw.aq.asq_last_status);
1821 kfree(buff);
1822 buff = NULL;
1823 goto command_write_done;
1824 }
1825 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1826 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1827 DUMP_PREFIX_OFFSET, 16, 1,
1828 buff, I40E_LLDPDU_SIZE, true);
1829 kfree(buff);
1830 buff = NULL;
1831 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1832 u16 llen, rlen;
1833 int ret;
1834 u8 *buff;
1835
1836 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1837 if (!buff)
1838 goto command_write_done;
1839
1840 ret = i40e_aq_get_lldp_mib(&pf->hw,
1841 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1842 I40E_AQ_LLDP_MIB_REMOTE,
1843 buff, I40E_LLDPDU_SIZE,
1844 &llen, &rlen, NULL);
1845 if (ret) {
1846 dev_info(&pf->pdev->dev,
1847 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1848 pf->hw.aq.asq_last_status);
1849 kfree(buff);
1850 buff = NULL;
1851 goto command_write_done;
1852 }
1853 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1854 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1855 DUMP_PREFIX_OFFSET, 16, 1,
1856 buff, I40E_LLDPDU_SIZE, true);
1857 kfree(buff);
1858 buff = NULL;
1859 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1860 int ret;
1861
1862 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1863 true, NULL);
1864 if (ret) {
1865 dev_info(&pf->pdev->dev,
1866 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1867 pf->hw.aq.asq_last_status);
1868 goto command_write_done;
1869 }
1870 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1871 int ret;
1872
1873 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1874 false, NULL);
1875 if (ret) {
1876 dev_info(&pf->pdev->dev,
1877 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1878 pf->hw.aq.asq_last_status);
1879 goto command_write_done;
1880 }
1881 }
1882 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1883 u16 buffer_len, bytes;
1884 u16 module;
1885 u32 offset;
1886 u16 *buff;
1887 int ret;
1888
1889 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1890 &module, &offset, &buffer_len);
1891 if (cnt == 0) {
1892 module = 0;
1893 offset = 0;
1894 buffer_len = 0;
1895 } else if (cnt == 1) {
1896 offset = 0;
1897 buffer_len = 0;
1898 } else if (cnt == 2) {
1899 buffer_len = 0;
1900 } else if (cnt > 3) {
1901 dev_info(&pf->pdev->dev,
1902 "nvm read: bad command string, cnt=%d\n", cnt);
1903 goto command_write_done;
1904 }
1905
1906 /* set the max length */
1907 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1908
1909 bytes = 2 * buffer_len;
1910
1911 /* read at least 1k bytes, no more than 4kB */
1912 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1913 buff = kzalloc(bytes, GFP_KERNEL);
1914 if (!buff)
1915 goto command_write_done;
1916
1917 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1918 if (ret) {
1919 dev_info(&pf->pdev->dev,
1920 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1921 ret, pf->hw.aq.asq_last_status);
1922 kfree(buff);
1923 goto command_write_done;
1924 }
1925
1926 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1927 bytes, (u8 *)buff, true, NULL);
1928 i40e_release_nvm(&pf->hw);
1929 if (ret) {
1930 dev_info(&pf->pdev->dev,
1931 "Read NVM AQ failed err=%d status=0x%x\n",
1932 ret, pf->hw.aq.asq_last_status);
1933 } else {
1934 dev_info(&pf->pdev->dev,
1935 "Read NVM module=0x%x offset=0x%x words=%d\n",
1936 module, offset, buffer_len);
1937 if (bytes)
1938 print_hex_dump(KERN_INFO, "NVM Dump: ",
1939 DUMP_PREFIX_OFFSET, 16, 2,
1940 buff, bytes, true);
1941 }
1942 kfree(buff);
1943 buff = NULL;
1944 } else {
1945 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1946 dev_info(&pf->pdev->dev, "available commands\n");
1947 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1948 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1949 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1950 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1951 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1952 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1953 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1954 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1955 dev_info(&pf->pdev->dev, " dump switch\n");
1956 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1957 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1958 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1959 dev_info(&pf->pdev->dev, " dump desc aq\n");
1960 dev_info(&pf->pdev->dev, " dump reset stats\n");
1961 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1962 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1963 dev_info(&pf->pdev->dev, " read <reg>\n");
1964 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1965 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1966 dev_info(&pf->pdev->dev, " clear_stats port\n");
1967 dev_info(&pf->pdev->dev, " pfr\n");
1968 dev_info(&pf->pdev->dev, " corer\n");
1969 dev_info(&pf->pdev->dev, " globr\n");
1970 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1971 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1972 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");
1973 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");
1974 dev_info(&pf->pdev->dev, " fd current cnt");
1975 dev_info(&pf->pdev->dev, " lldp start\n");
1976 dev_info(&pf->pdev->dev, " lldp stop\n");
1977 dev_info(&pf->pdev->dev, " lldp get local\n");
1978 dev_info(&pf->pdev->dev, " lldp get remote\n");
1979 dev_info(&pf->pdev->dev, " lldp event on\n");
1980 dev_info(&pf->pdev->dev, " lldp event off\n");
1981 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1982 }
1983
1984 command_write_done:
1985 kfree(cmd_buf);
1986 cmd_buf = NULL;
1987 return count;
1988 }
1989
1990 static const struct file_operations i40e_dbg_command_fops = {
1991 .owner = THIS_MODULE,
1992 .open = simple_open,
1993 .read = i40e_dbg_command_read,
1994 .write = i40e_dbg_command_write,
1995 };
1996
1997 /**************************************************************
1998 * netdev_ops
1999 * The netdev_ops entry in debugfs is for giving the driver commands
2000 * to be executed from the netdev operations.
2001 **************************************************************/
2002 static char i40e_dbg_netdev_ops_buf[256] = "";
2003
2004 /**
2005 * i40e_dbg_netdev_ops - read for netdev_ops datum
2006 * @filp: the opened file
2007 * @buffer: where to write the data for the user to read
2008 * @count: the size of the user's buffer
2009 * @ppos: file position offset
2010 **/
2011 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
2012 size_t count, loff_t *ppos)
2013 {
2014 struct i40e_pf *pf = filp->private_data;
2015 int bytes_not_copied;
2016 int buf_size = 256;
2017 char *buf;
2018 int len;
2019
2020 /* don't allow partal reads */
2021 if (*ppos != 0)
2022 return 0;
2023 if (count < buf_size)
2024 return -ENOSPC;
2025
2026 buf = kzalloc(buf_size, GFP_KERNEL);
2027 if (!buf)
2028 return -ENOSPC;
2029
2030 len = snprintf(buf, buf_size, "%s: %s\n",
2031 pf->vsi[pf->lan_vsi]->netdev->name,
2032 i40e_dbg_netdev_ops_buf);
2033
2034 bytes_not_copied = copy_to_user(buffer, buf, len);
2035 kfree(buf);
2036
2037 if (bytes_not_copied < 0)
2038 return bytes_not_copied;
2039
2040 *ppos = len;
2041 return len;
2042 }
2043
2044 /**
2045 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
2046 * @filp: the opened file
2047 * @buffer: where to find the user's data
2048 * @count: the length of the user's data
2049 * @ppos: file position offset
2050 **/
2051 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
2052 const char __user *buffer,
2053 size_t count, loff_t *ppos)
2054 {
2055 struct i40e_pf *pf = filp->private_data;
2056 int bytes_not_copied;
2057 struct i40e_vsi *vsi;
2058 char *buf_tmp;
2059 int vsi_seid;
2060 int i, cnt;
2061
2062 /* don't allow partial writes */
2063 if (*ppos != 0)
2064 return 0;
2065 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2066 return -ENOSPC;
2067
2068 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2069 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2070 buffer, count);
2071 if (bytes_not_copied < 0)
2072 return bytes_not_copied;
2073 else if (bytes_not_copied > 0)
2074 count -= bytes_not_copied;
2075 i40e_dbg_netdev_ops_buf[count] = '\0';
2076
2077 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2078 if (buf_tmp) {
2079 *buf_tmp = '\0';
2080 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2081 }
2082
2083 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2084 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2085 if (cnt != 1) {
2086 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2087 goto netdev_ops_write_done;
2088 }
2089 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2090 if (!vsi) {
2091 dev_info(&pf->pdev->dev,
2092 "tx_timeout: VSI %d not found\n", vsi_seid);
2093 } else if (!vsi->netdev) {
2094 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2095 vsi_seid);
2096 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2097 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2098 vsi_seid);
2099 } else if (rtnl_trylock()) {
2100 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2101 rtnl_unlock();
2102 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2103 } else {
2104 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2105 }
2106 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2107 int mtu;
2108
2109 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2110 &vsi_seid, &mtu);
2111 if (cnt != 2) {
2112 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2113 goto netdev_ops_write_done;
2114 }
2115 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2116 if (!vsi) {
2117 dev_info(&pf->pdev->dev,
2118 "change_mtu: VSI %d not found\n", vsi_seid);
2119 } else if (!vsi->netdev) {
2120 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2121 vsi_seid);
2122 } else if (rtnl_trylock()) {
2123 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2124 mtu);
2125 rtnl_unlock();
2126 dev_info(&pf->pdev->dev, "change_mtu called\n");
2127 } else {
2128 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2129 }
2130
2131 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2132 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2133 if (cnt != 1) {
2134 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2135 goto netdev_ops_write_done;
2136 }
2137 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2138 if (!vsi) {
2139 dev_info(&pf->pdev->dev,
2140 "set_rx_mode: VSI %d not found\n", vsi_seid);
2141 } else if (!vsi->netdev) {
2142 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2143 vsi_seid);
2144 } else if (rtnl_trylock()) {
2145 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2146 rtnl_unlock();
2147 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2148 } else {
2149 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2150 }
2151
2152 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2153 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2154 if (cnt != 1) {
2155 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2156 goto netdev_ops_write_done;
2157 }
2158 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2159 if (!vsi) {
2160 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2161 vsi_seid);
2162 } else if (!vsi->netdev) {
2163 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2164 vsi_seid);
2165 } else {
2166 for (i = 0; i < vsi->num_q_vectors; i++)
2167 napi_schedule(&vsi->q_vectors[i]->napi);
2168 dev_info(&pf->pdev->dev, "napi called\n");
2169 }
2170 } else {
2171 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2172 i40e_dbg_netdev_ops_buf);
2173 dev_info(&pf->pdev->dev, "available commands\n");
2174 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2175 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2176 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2177 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2178 }
2179 netdev_ops_write_done:
2180 return count;
2181 }
2182
2183 static const struct file_operations i40e_dbg_netdev_ops_fops = {
2184 .owner = THIS_MODULE,
2185 .open = simple_open,
2186 .read = i40e_dbg_netdev_ops_read,
2187 .write = i40e_dbg_netdev_ops_write,
2188 };
2189
2190 /**
2191 * i40e_dbg_pf_init - setup the debugfs directory for the PF
2192 * @pf: the PF that is starting up
2193 **/
2194 void i40e_dbg_pf_init(struct i40e_pf *pf)
2195 {
2196 struct dentry *pfile;
2197 const char *name = pci_name(pf->pdev);
2198 const struct device *dev = &pf->pdev->dev;
2199
2200 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
2201 if (!pf->i40e_dbg_pf)
2202 return;
2203
2204 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2205 &i40e_dbg_command_fops);
2206 if (!pfile)
2207 goto create_failed;
2208
2209 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2210 &i40e_dbg_dump_fops);
2211 if (!pfile)
2212 goto create_failed;
2213
2214 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2215 &i40e_dbg_netdev_ops_fops);
2216 if (!pfile)
2217 goto create_failed;
2218
2219 return;
2220
2221 create_failed:
2222 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2223 debugfs_remove_recursive(pf->i40e_dbg_pf);
2224 }
2225
2226 /**
2227 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
2228 * @pf: the PF that is stopping
2229 **/
2230 void i40e_dbg_pf_exit(struct i40e_pf *pf)
2231 {
2232 debugfs_remove_recursive(pf->i40e_dbg_pf);
2233 pf->i40e_dbg_pf = NULL;
2234
2235 kfree(i40e_dbg_dump_buf);
2236 i40e_dbg_dump_buf = NULL;
2237 }
2238
2239 /**
2240 * i40e_dbg_init - start up debugfs for the driver
2241 **/
2242 void i40e_dbg_init(void)
2243 {
2244 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2245 if (!i40e_dbg_root)
2246 pr_info("init of debugfs failed\n");
2247 }
2248
2249 /**
2250 * i40e_dbg_exit - clean out the driver's debugfs entries
2251 **/
2252 void i40e_dbg_exit(void)
2253 {
2254 debugfs_remove_recursive(i40e_dbg_root);
2255 i40e_dbg_root = NULL;
2256 }
2257
2258 #endif /* CONFIG_DEBUG_FS */
Linux with added FPC-III support