1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2014 Intel Corporation.
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.
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
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/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
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
25 ******************************************************************************/
27 #ifdef CONFIG_DEBUG_FS
30 #include <linux/debugfs.h>
34 static struct dentry
*i40e_dbg_root
;
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
41 static struct i40e_vsi
*i40e_dbg_find_vsi(struct i40e_pf
*pf
, int seid
)
46 dev_info(&pf
->pdev
->dev
, "%d: bad seid\n", seid
);
48 for (i
= 0; i
< pf
->num_alloc_vsi
; i
++)
49 if (pf
->vsi
[i
] && (pf
->vsi
[i
]->seid
== seid
))
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
60 static struct i40e_veb
*i40e_dbg_find_veb(struct i40e_pf
*pf
, int seid
)
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
);
68 for (i
= 0; i
< I40E_MAX_VEB
; i
++)
69 if (pf
->veb
[i
] && pf
->veb
[i
]->seid
== seid
)
74 /**************************************************************
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
;
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
92 static ssize_t
i40e_dbg_dump_read(struct file
*filp
, char __user
*buffer
,
93 size_t count
, loff_t
*ppos
)
98 /* is *ppos bigger than the available data? */
99 if (*ppos
>= i40e_dbg_dump_data_len
|| !i40e_dbg_dump_buf
)
102 /* be sure to not read beyond the end of available data */
103 len
= min_t(int, count
, (i40e_dbg_dump_data_len
- *ppos
));
105 bytes_not_copied
= copy_to_user(buffer
, &i40e_dbg_dump_buf
[*ppos
], len
);
106 if (bytes_not_copied
)
114 * i40e_dbg_prep_dump_buf
115 * @pf: the PF we're working with
116 * @buflen: the desired buffer length
118 * Return positive if success, 0 if failed
120 static int i40e_dbg_prep_dump_buf(struct i40e_pf
*pf
, int buflen
)
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
;
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
;
136 return i40e_dbg_dump_buffer_len
;
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
146 * Any write clears the stats
148 static ssize_t
i40e_dbg_dump_write(struct file
*filp
,
149 const char __user
*buffer
,
150 size_t count
, loff_t
*ppos
)
152 struct i40e_pf
*pf
= filp
->private_data
;
153 bool seid_found
= false;
160 /* don't allow partial writes */
164 /* decode the SEID given to be dumped */
165 ret
= kstrtol_from_user(buffer
, count
, 0, &seid
);
168 dev_info(&pf
->pdev
->dev
, "bad seid value\n");
169 } else if (seid
== 0) {
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");
178 } else if (seid
== pf
->pf_seid
|| seid
== 1) {
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
));
185 if (i40e_dbg_prep_dump_buf(pf
, buflen
)) {
186 p
= i40e_dbg_dump_buf
;
188 len
= sizeof(struct i40e_pf
);
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
);
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
);
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
);
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;
212 mutex_lock(&pf
->switch_mutex
);
213 vsi
= i40e_dbg_find_vsi(pf
, seid
);
215 mutex_unlock(&pf
->switch_mutex
);
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
)
226 buflen
+= sizeof(struct i40e_mac_filter
) * filter_count
;
228 if (i40e_dbg_prep_dump_buf(pf
, buflen
)) {
229 p
= i40e_dbg_dump_buf
;
232 len
= sizeof(struct i40e_vsi
);
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
);
243 if (vsi
->num_queue_pairs
) {
244 len
= (sizeof(struct i40e_ring
) *
245 vsi
->num_queue_pairs
);
246 memcpy(p
, vsi
->tx_rings
, len
);
248 memcpy(p
, vsi
->rx_rings
, len
);
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
);
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
);
265 /* macvlan filter list */
266 len
= sizeof(struct i40e_mac_filter
);
267 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
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
);
277 mutex_unlock(&pf
->switch_mutex
);
278 } else if (seid
>= I40E_BASE_VEB_SEID
) {
279 struct i40e_veb
*veb
= NULL
;
281 mutex_lock(&pf
->switch_mutex
);
282 veb
= i40e_dbg_find_veb(pf
, seid
);
284 mutex_unlock(&pf
->switch_mutex
);
288 buflen
= sizeof(struct i40e_veb
);
289 if (i40e_dbg_prep_dump_buf(pf
, buflen
)) {
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
);
297 mutex_unlock(&pf
->switch_mutex
);
302 dev_info(&pf
->pdev
->dev
, "unknown seid %ld\n", seid
);
307 static const struct file_operations i40e_dbg_dump_fops
= {
308 .owner
= THIS_MODULE
,
310 .read
= i40e_dbg_dump_read
,
311 .write
= i40e_dbg_dump_write
,
314 /**************************************************************
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] = "";
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
330 static ssize_t
i40e_dbg_command_read(struct file
*filp
, char __user
*buffer
,
331 size_t count
, loff_t
*ppos
)
333 struct i40e_pf
*pf
= filp
->private_data
;
334 int bytes_not_copied
;
339 /* don't allow partial reads */
342 if (count
< buf_size
)
345 buf
= kzalloc(buf_size
, GFP_KERNEL
);
349 len
= snprintf(buf
, buf_size
, "%s: %s\n",
350 pf
->vsi
[pf
->lan_vsi
]->netdev
->name
,
351 i40e_dbg_command_buf
);
353 bytes_not_copied
= copy_to_user(buffer
, buf
, len
);
356 if (bytes_not_copied
)
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
368 static void i40e_dbg_dump_vsi_seid(struct i40e_pf
*pf
, int seid
)
370 struct rtnl_link_stats64
*nstat
;
371 struct i40e_mac_filter
*f
;
372 struct i40e_vsi
*vsi
;
375 vsi
= i40e_dbg_find_vsi(pf
, seid
);
377 dev_info(&pf
->pdev
->dev
,
378 "dump %d: seid not found\n", seid
);
381 dev_info(&pf
->pdev
->dev
, "vsi seid %d\n", seid
);
383 dev_info(&pf
->pdev
->dev
,
384 " netdev: name = %s\n",
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",
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
,
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
);
488 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
489 struct i40e_ring
*rx_ring
= ACCESS_ONCE(vsi
->rx_rings
[i
]);
494 dev_info(&pf
->pdev
->dev
,
495 " rx_rings[%i]: desc = %p\n",
497 dev_info(&pf
->pdev
->dev
,
498 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
502 dev_info(&pf
->pdev
->dev
,
503 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
505 rx_ring
->queue_index
,
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
,
512 dev_info(&pf
->pdev
->dev
,
513 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
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",
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",
531 (unsigned long int)rx_ring
->dma
);
532 dev_info(&pf
->pdev
->dev
,
533 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
537 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
538 struct i40e_ring
*tx_ring
= ACCESS_ONCE(vsi
->tx_rings
[i
]);
543 dev_info(&pf
->pdev
->dev
,
544 " tx_rings[%i]: desc = %p\n",
546 dev_info(&pf
->pdev
->dev
,
547 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
551 dev_info(&pf
->pdev
->dev
,
552 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
554 tx_ring
->queue_index
,
556 dev_info(&pf
->pdev
->dev
,
557 " tx_rings[%i]: dtype = %d\n",
559 dev_info(&pf
->pdev
->dev
,
560 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
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",
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",
578 (unsigned long int)tx_ring
->dma
);
579 dev_info(&pf
->pdev
->dev
,
580 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
583 dev_info(&pf
->pdev
->dev
,
584 " tx_rings[%i]: DCB tc = %d\n",
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",
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]);
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
);
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
]);
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
);
729 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
730 * @pf: the i40e_pf created in command write
732 static void i40e_dbg_dump_aq_desc(struct i40e_pf
*pf
)
734 struct i40e_adminq_ring
*ring
;
735 struct i40e_hw
*hw
= &pf
->hw
;
739 snprintf(hdr
, sizeof(hdr
), "%s %s: ",
740 dev_driver_string(&pf
->pdev
->dev
),
741 dev_name(&pf
->pdev
->dev
));
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
);
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);
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
);
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);
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
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
)
783 struct i40e_tx_desc
*txd
;
784 union i40e_rx_desc
*rxd
;
785 struct i40e_ring
*ring
;
786 struct i40e_vsi
*vsi
;
789 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
791 dev_info(&pf
->pdev
->dev
, "vsi %d not found\n", vsi_seid
);
794 if (ring_id
>= vsi
->num_queue_pairs
|| ring_id
< 0) {
795 dev_info(&pf
->pdev
->dev
, "ring %d not found\n", ring_id
);
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",
805 ring
= kmemdup(is_rx_ring
806 ? vsi
->rx_rings
[ring_id
] : vsi
->tx_rings
[ring_id
],
807 sizeof(*ring
), GFP_KERNEL
);
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
++) {
816 txd
= I40E_TX_DESC(ring
, i
);
817 dev_info(&pf
->pdev
->dev
,
818 " d[%03i] = 0x%016llx 0x%016llx\n",
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
,
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
,
834 rxd
->read
.rsvd1
, rxd
->read
.rsvd2
);
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
);
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
);
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
);
865 dev_info(&pf
->pdev
->dev
, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
873 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
874 * @pf: the i40e_pf created in command write
876 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf
*pf
)
880 for (i
= 0; i
< pf
->num_alloc_vsi
; i
++)
882 dev_info(&pf
->pdev
->dev
, "dump vsi[%d]: %d\n",
883 i
, pf
->vsi
[i
]->seid
);
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
891 static void i40e_dbg_dump_eth_stats(struct i40e_pf
*pf
,
892 struct i40e_eth_stats
*estats
)
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
);
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
917 static void i40e_dbg_dump_veb_seid(struct i40e_pf
*pf
, int seid
)
919 struct i40e_veb
*veb
;
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
);
927 veb
= i40e_dbg_find_veb(pf
, seid
);
929 dev_info(&pf
->pdev
->dev
, "can't find veb %d\n", seid
);
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
,
936 veb
->bridge_mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
937 i40e_dbg_dump_eth_stats(pf
, &veb
->stats
);
941 * i40e_dbg_dump_veb_all - dumps all known veb's stats
942 * @pf: the i40e_pf created in command write
944 static void i40e_dbg_dump_veb_all(struct i40e_pf
*pf
)
946 struct i40e_veb
*veb
;
949 for (i
= 0; i
< I40E_MAX_VEB
; i
++) {
952 i40e_dbg_dump_veb_seid(pf
, veb
->seid
);
956 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
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
964 static ssize_t
i40e_dbg_command_write(struct file
*filp
,
965 const char __user
*buffer
,
966 size_t count
, loff_t
*ppos
)
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
;
976 /* don't allow partial writes */
980 cmd_buf
= kzalloc(count
+ 1, GFP_KERNEL
);
983 bytes_not_copied
= copy_from_user(cmd_buf
, buffer
, count
);
984 if (bytes_not_copied
) {
988 cmd_buf
[count
] = '\0';
990 cmd_buf_tmp
= strchr(cmd_buf
, '\n');
993 count
= cmd_buf_tmp
- cmd_buf
+ 1;
996 if (strncmp(cmd_buf
, "add vsi", 7) == 0) {
998 cnt
= sscanf(&cmd_buf
[7], "%i", &vsi_seid
);
1000 /* default to PF VSI */
1001 vsi_seid
= pf
->vsi
[pf
->lan_vsi
]->seid
;
1002 } else if (vsi_seid
< 0) {
1003 dev_info(&pf
->pdev
->dev
, "add VSI %d: bad vsi seid\n",
1005 goto command_write_done
;
1008 /* By default we are in VEPA mode, if this is the first VF/VMDq
1009 * VSI to be added switch to VEB mode.
1011 if (!(pf
->flags
& I40E_FLAG_VEB_MODE_ENABLED
)) {
1012 pf
->flags
|= I40E_FLAG_VEB_MODE_ENABLED
;
1013 i40e_do_reset_safe(pf
,
1014 BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1017 vsi
= i40e_vsi_setup(pf
, I40E_VSI_VMDQ2
, vsi_seid
, 0);
1019 dev_info(&pf
->pdev
->dev
, "added VSI %d to relay %d\n",
1020 vsi
->seid
, vsi
->uplink_seid
);
1022 dev_info(&pf
->pdev
->dev
, "'%s' failed\n", cmd_buf
);
1024 } else if (strncmp(cmd_buf
, "del vsi", 7) == 0) {
1025 cnt
= sscanf(&cmd_buf
[7], "%i", &vsi_seid
);
1027 dev_info(&pf
->pdev
->dev
,
1028 "del vsi: bad command string, cnt=%d\n",
1030 goto command_write_done
;
1032 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1034 dev_info(&pf
->pdev
->dev
, "del VSI %d: seid not found\n",
1036 goto command_write_done
;
1039 dev_info(&pf
->pdev
->dev
, "deleting VSI %d\n", vsi_seid
);
1040 i40e_vsi_release(vsi
);
1042 } else if (strncmp(cmd_buf
, "add relay", 9) == 0) {
1043 struct i40e_veb
*veb
;
1046 cnt
= sscanf(&cmd_buf
[9], "%i %i", &uplink_seid
, &vsi_seid
);
1048 dev_info(&pf
->pdev
->dev
,
1049 "add relay: bad command string, cnt=%d\n",
1051 goto command_write_done
;
1052 } else if (uplink_seid
< 0) {
1053 dev_info(&pf
->pdev
->dev
,
1054 "add relay %d: bad uplink seid\n",
1056 goto command_write_done
;
1059 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1061 dev_info(&pf
->pdev
->dev
,
1062 "add relay: VSI %d not found\n", vsi_seid
);
1063 goto command_write_done
;
1066 for (i
= 0; i
< I40E_MAX_VEB
; i
++)
1067 if (pf
->veb
[i
] && pf
->veb
[i
]->seid
== uplink_seid
)
1069 if (i
>= I40E_MAX_VEB
&& uplink_seid
!= 0 &&
1070 uplink_seid
!= pf
->mac_seid
) {
1071 dev_info(&pf
->pdev
->dev
,
1072 "add relay: relay uplink %d not found\n",
1074 goto command_write_done
;
1077 veb
= i40e_veb_setup(pf
, 0, uplink_seid
, vsi_seid
,
1078 vsi
->tc_config
.enabled_tc
);
1080 dev_info(&pf
->pdev
->dev
, "added relay %d\n", veb
->seid
);
1082 dev_info(&pf
->pdev
->dev
, "add relay failed\n");
1084 } else if (strncmp(cmd_buf
, "del relay", 9) == 0) {
1086 cnt
= sscanf(&cmd_buf
[9], "%i", &veb_seid
);
1088 dev_info(&pf
->pdev
->dev
,
1089 "del relay: bad command string, cnt=%d\n",
1091 goto command_write_done
;
1092 } else if (veb_seid
< 0) {
1093 dev_info(&pf
->pdev
->dev
,
1094 "del relay %d: bad relay seid\n", veb_seid
);
1095 goto command_write_done
;
1099 for (i
= 0; i
< I40E_MAX_VEB
; i
++)
1100 if (pf
->veb
[i
] && pf
->veb
[i
]->seid
== veb_seid
)
1102 if (i
>= I40E_MAX_VEB
) {
1103 dev_info(&pf
->pdev
->dev
,
1104 "del relay: relay %d not found\n", veb_seid
);
1105 goto command_write_done
;
1108 dev_info(&pf
->pdev
->dev
, "deleting relay %d\n", veb_seid
);
1109 i40e_veb_release(pf
->veb
[i
]);
1111 } else if (strncmp(cmd_buf
, "add macaddr", 11) == 0) {
1112 struct i40e_mac_filter
*f
;
1117 cnt
= sscanf(&cmd_buf
[11],
1118 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1120 &ma
[0], &ma
[1], &ma
[2], &ma
[3], &ma
[4], &ma
[5],
1124 } else if (cnt
!= 8) {
1125 dev_info(&pf
->pdev
->dev
,
1126 "add macaddr: bad command string, cnt=%d\n",
1128 goto command_write_done
;
1131 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1133 dev_info(&pf
->pdev
->dev
,
1134 "add macaddr: VSI %d not found\n", vsi_seid
);
1135 goto command_write_done
;
1138 spin_lock_bh(&vsi
->mac_filter_list_lock
);
1139 f
= i40e_add_filter(vsi
, ma
, vlan
, false, false);
1140 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
1141 ret
= i40e_sync_vsi_filters(vsi
);
1143 dev_info(&pf
->pdev
->dev
,
1144 "add macaddr: %pM vlan=%d added to VSI %d\n",
1145 ma
, vlan
, vsi_seid
);
1147 dev_info(&pf
->pdev
->dev
,
1148 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1149 ma
, vlan
, vsi_seid
, f
, ret
);
1151 } else if (strncmp(cmd_buf
, "del macaddr", 11) == 0) {
1156 cnt
= sscanf(&cmd_buf
[11],
1157 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1159 &ma
[0], &ma
[1], &ma
[2], &ma
[3], &ma
[4], &ma
[5],
1163 } else if (cnt
!= 8) {
1164 dev_info(&pf
->pdev
->dev
,
1165 "del macaddr: bad command string, cnt=%d\n",
1167 goto command_write_done
;
1170 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1172 dev_info(&pf
->pdev
->dev
,
1173 "del macaddr: VSI %d not found\n", vsi_seid
);
1174 goto command_write_done
;
1177 spin_lock_bh(&vsi
->mac_filter_list_lock
);
1178 i40e_del_filter(vsi
, ma
, vlan
, false, false);
1179 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
1180 ret
= i40e_sync_vsi_filters(vsi
);
1182 dev_info(&pf
->pdev
->dev
,
1183 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1184 ma
, vlan
, vsi_seid
);
1186 dev_info(&pf
->pdev
->dev
,
1187 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1188 ma
, vlan
, vsi_seid
, ret
);
1190 } else if (strncmp(cmd_buf
, "add pvid", 8) == 0) {
1195 cnt
= sscanf(&cmd_buf
[8], "%i %u", &vsi_seid
, &v
);
1197 dev_info(&pf
->pdev
->dev
,
1198 "add pvid: bad command string, cnt=%d\n", cnt
);
1199 goto command_write_done
;
1202 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1204 dev_info(&pf
->pdev
->dev
, "add pvid: VSI %d not found\n",
1206 goto command_write_done
;
1210 ret
= i40e_vsi_add_pvid(vsi
, vid
);
1212 dev_info(&pf
->pdev
->dev
,
1213 "add pvid: %d added to VSI %d\n",
1216 dev_info(&pf
->pdev
->dev
,
1217 "add pvid: %d to VSI %d failed, ret=%d\n",
1218 vid
, vsi_seid
, ret
);
1220 } else if (strncmp(cmd_buf
, "del pvid", 8) == 0) {
1222 cnt
= sscanf(&cmd_buf
[8], "%i", &vsi_seid
);
1224 dev_info(&pf
->pdev
->dev
,
1225 "del pvid: bad command string, cnt=%d\n",
1227 goto command_write_done
;
1230 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1232 dev_info(&pf
->pdev
->dev
,
1233 "del pvid: VSI %d not found\n", vsi_seid
);
1234 goto command_write_done
;
1237 i40e_vsi_remove_pvid(vsi
);
1238 dev_info(&pf
->pdev
->dev
,
1239 "del pvid: removed from VSI %d\n", vsi_seid
);
1241 } else if (strncmp(cmd_buf
, "dump", 4) == 0) {
1242 if (strncmp(&cmd_buf
[5], "switch", 6) == 0) {
1243 i40e_fetch_switch_configuration(pf
, true);
1244 } else if (strncmp(&cmd_buf
[5], "vsi", 3) == 0) {
1245 cnt
= sscanf(&cmd_buf
[8], "%i", &vsi_seid
);
1247 i40e_dbg_dump_vsi_seid(pf
, vsi_seid
);
1249 i40e_dbg_dump_vsi_no_seid(pf
);
1250 } else if (strncmp(&cmd_buf
[5], "veb", 3) == 0) {
1251 cnt
= sscanf(&cmd_buf
[8], "%i", &vsi_seid
);
1253 i40e_dbg_dump_veb_seid(pf
, vsi_seid
);
1255 i40e_dbg_dump_veb_all(pf
);
1256 } else if (strncmp(&cmd_buf
[5], "desc", 4) == 0) {
1257 int ring_id
, desc_n
;
1258 if (strncmp(&cmd_buf
[10], "rx", 2) == 0) {
1259 cnt
= sscanf(&cmd_buf
[12], "%i %i %i",
1260 &vsi_seid
, &ring_id
, &desc_n
);
1261 i40e_dbg_dump_desc(cnt
, vsi_seid
, ring_id
,
1263 } else if (strncmp(&cmd_buf
[10], "tx", 2)
1265 cnt
= sscanf(&cmd_buf
[12], "%i %i %i",
1266 &vsi_seid
, &ring_id
, &desc_n
);
1267 i40e_dbg_dump_desc(cnt
, vsi_seid
, ring_id
,
1269 } else if (strncmp(&cmd_buf
[10], "aq", 2) == 0) {
1270 i40e_dbg_dump_aq_desc(pf
);
1272 dev_info(&pf
->pdev
->dev
,
1273 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1274 dev_info(&pf
->pdev
->dev
,
1275 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1276 dev_info(&pf
->pdev
->dev
, "dump desc aq\n");
1278 } else if (strncmp(&cmd_buf
[5], "reset stats", 11) == 0) {
1279 dev_info(&pf
->pdev
->dev
,
1280 "core reset count: %d\n", pf
->corer_count
);
1281 dev_info(&pf
->pdev
->dev
,
1282 "global reset count: %d\n", pf
->globr_count
);
1283 dev_info(&pf
->pdev
->dev
,
1284 "emp reset count: %d\n", pf
->empr_count
);
1285 dev_info(&pf
->pdev
->dev
,
1286 "pf reset count: %d\n", pf
->pfr_count
);
1287 dev_info(&pf
->pdev
->dev
,
1288 "pf tx sluggish count: %d\n",
1289 pf
->tx_sluggish_count
);
1290 } else if (strncmp(&cmd_buf
[5], "port", 4) == 0) {
1291 struct i40e_aqc_query_port_ets_config_resp
*bw_data
;
1292 struct i40e_dcbx_config
*cfg
=
1293 &pf
->hw
.local_dcbx_config
;
1294 struct i40e_dcbx_config
*r_cfg
=
1295 &pf
->hw
.remote_dcbx_config
;
1298 bw_data
= kzalloc(sizeof(
1299 struct i40e_aqc_query_port_ets_config_resp
),
1303 goto command_write_done
;
1306 ret
= i40e_aq_query_port_ets_config(&pf
->hw
,
1310 dev_info(&pf
->pdev
->dev
,
1311 "Query Port ETS Config AQ command failed =0x%x\n",
1312 pf
->hw
.aq
.asq_last_status
);
1315 goto command_write_done
;
1317 dev_info(&pf
->pdev
->dev
,
1318 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1319 bw_data
->tc_valid_bits
,
1320 bw_data
->tc_strict_priority_bits
,
1321 le16_to_cpu(bw_data
->tc_bw_max
[0]),
1322 le16_to_cpu(bw_data
->tc_bw_max
[1]));
1323 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
1324 dev_info(&pf
->pdev
->dev
, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1325 bw_data
->tc_bw_share_credits
[i
],
1326 le16_to_cpu(bw_data
->tc_bw_limits
[i
]));
1332 dev_info(&pf
->pdev
->dev
,
1333 "port dcbx_mode=%d\n", cfg
->dcbx_mode
);
1334 dev_info(&pf
->pdev
->dev
,
1335 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1336 cfg
->etscfg
.willing
, cfg
->etscfg
.cbs
,
1337 cfg
->etscfg
.maxtcs
);
1338 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
1339 dev_info(&pf
->pdev
->dev
, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1340 i
, cfg
->etscfg
.prioritytable
[i
],
1341 cfg
->etscfg
.tcbwtable
[i
],
1342 cfg
->etscfg
.tsatable
[i
]);
1344 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
1345 dev_info(&pf
->pdev
->dev
, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1346 i
, cfg
->etsrec
.prioritytable
[i
],
1347 cfg
->etsrec
.tcbwtable
[i
],
1348 cfg
->etsrec
.tsatable
[i
]);
1350 dev_info(&pf
->pdev
->dev
,
1351 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1352 cfg
->pfc
.willing
, cfg
->pfc
.mbc
,
1353 cfg
->pfc
.pfccap
, cfg
->pfc
.pfcenable
);
1354 dev_info(&pf
->pdev
->dev
,
1355 "port app_table: num_apps=%d\n", cfg
->numapps
);
1356 for (i
= 0; i
< cfg
->numapps
; i
++) {
1357 dev_info(&pf
->pdev
->dev
, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1358 i
, cfg
->app
[i
].priority
,
1359 cfg
->app
[i
].selector
,
1360 cfg
->app
[i
].protocolid
);
1362 /* Peer TLV DCBX data */
1363 dev_info(&pf
->pdev
->dev
,
1364 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1365 r_cfg
->etscfg
.willing
,
1366 r_cfg
->etscfg
.cbs
, r_cfg
->etscfg
.maxtcs
);
1367 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
1368 dev_info(&pf
->pdev
->dev
, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1369 i
, r_cfg
->etscfg
.prioritytable
[i
],
1370 r_cfg
->etscfg
.tcbwtable
[i
],
1371 r_cfg
->etscfg
.tsatable
[i
]);
1373 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
1374 dev_info(&pf
->pdev
->dev
, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1375 i
, r_cfg
->etsrec
.prioritytable
[i
],
1376 r_cfg
->etsrec
.tcbwtable
[i
],
1377 r_cfg
->etsrec
.tsatable
[i
]);
1379 dev_info(&pf
->pdev
->dev
,
1380 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1384 r_cfg
->pfc
.pfcenable
);
1385 dev_info(&pf
->pdev
->dev
,
1386 "remote port app_table: num_apps=%d\n",
1388 for (i
= 0; i
< r_cfg
->numapps
; i
++) {
1389 dev_info(&pf
->pdev
->dev
, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1390 i
, r_cfg
->app
[i
].priority
,
1391 r_cfg
->app
[i
].selector
,
1392 r_cfg
->app
[i
].protocolid
);
1394 } else if (strncmp(&cmd_buf
[5], "debug fwdata", 12) == 0) {
1395 int cluster_id
, table_id
;
1397 u16 buff_len
= 4096;
1403 cnt
= sscanf(&cmd_buf
[18], "%i %i %i",
1404 &cluster_id
, &table_id
, &index
);
1406 dev_info(&pf
->pdev
->dev
,
1407 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1408 goto command_write_done
;
1411 dev_info(&pf
->pdev
->dev
,
1412 "AQ debug dump fwdata params %x %x %x %x\n",
1413 cluster_id
, table_id
, index
, buff_len
);
1414 buff
= kzalloc(buff_len
, GFP_KERNEL
);
1416 goto command_write_done
;
1418 ret
= i40e_aq_debug_dump(&pf
->hw
, cluster_id
, table_id
,
1419 index
, buff_len
, buff
, &rlen
,
1420 &next_table
, &next_index
,
1423 dev_info(&pf
->pdev
->dev
,
1424 "debug dump fwdata AQ Failed %d 0x%x\n",
1425 ret
, pf
->hw
.aq
.asq_last_status
);
1428 goto command_write_done
;
1430 dev_info(&pf
->pdev
->dev
,
1431 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1432 rlen
, next_table
, next_index
);
1433 print_hex_dump(KERN_INFO
, "AQ buffer WB: ",
1434 DUMP_PREFIX_OFFSET
, 16, 1,
1439 dev_info(&pf
->pdev
->dev
,
1440 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1441 dev_info(&pf
->pdev
->dev
, "dump switch\n");
1442 dev_info(&pf
->pdev
->dev
, "dump vsi [seid]\n");
1443 dev_info(&pf
->pdev
->dev
, "dump reset stats\n");
1444 dev_info(&pf
->pdev
->dev
, "dump port\n");
1445 dev_info(&pf
->pdev
->dev
,
1446 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1449 } else if (strncmp(cmd_buf
, "msg_enable", 10) == 0) {
1451 cnt
= sscanf(&cmd_buf
[10], "%i", &level
);
1453 if (I40E_DEBUG_USER
& level
) {
1454 pf
->hw
.debug_mask
= level
;
1455 dev_info(&pf
->pdev
->dev
,
1456 "set hw.debug_mask = 0x%08x\n",
1459 pf
->msg_enable
= level
;
1460 dev_info(&pf
->pdev
->dev
, "set msg_enable = 0x%08x\n",
1463 dev_info(&pf
->pdev
->dev
, "msg_enable = 0x%08x\n",
1466 } else if (strncmp(cmd_buf
, "pfr", 3) == 0) {
1467 dev_info(&pf
->pdev
->dev
, "debugfs: forcing PFR\n");
1468 i40e_do_reset_safe(pf
, BIT(__I40E_PF_RESET_REQUESTED
));
1470 } else if (strncmp(cmd_buf
, "corer", 5) == 0) {
1471 dev_info(&pf
->pdev
->dev
, "debugfs: forcing CoreR\n");
1472 i40e_do_reset_safe(pf
, BIT(__I40E_CORE_RESET_REQUESTED
));
1474 } else if (strncmp(cmd_buf
, "globr", 5) == 0) {
1475 dev_info(&pf
->pdev
->dev
, "debugfs: forcing GlobR\n");
1476 i40e_do_reset_safe(pf
, BIT(__I40E_GLOBAL_RESET_REQUESTED
));
1478 } else if (strncmp(cmd_buf
, "empr", 4) == 0) {
1479 dev_info(&pf
->pdev
->dev
, "debugfs: forcing EMPR\n");
1480 i40e_do_reset_safe(pf
, BIT(__I40E_EMP_RESET_REQUESTED
));
1482 } else if (strncmp(cmd_buf
, "read", 4) == 0) {
1486 cnt
= sscanf(&cmd_buf
[4], "%i", &address
);
1488 dev_info(&pf
->pdev
->dev
, "read <reg>\n");
1489 goto command_write_done
;
1492 /* check the range on address */
1493 if (address
> (pf
->ioremap_len
- sizeof(u32
))) {
1494 dev_info(&pf
->pdev
->dev
, "read reg address 0x%08x too large, max=0x%08lx\n",
1495 address
, (unsigned long int)(pf
->ioremap_len
- sizeof(u32
)));
1496 goto command_write_done
;
1499 value
= rd32(&pf
->hw
, address
);
1500 dev_info(&pf
->pdev
->dev
, "read: 0x%08x = 0x%08x\n",
1503 } else if (strncmp(cmd_buf
, "write", 5) == 0) {
1506 cnt
= sscanf(&cmd_buf
[5], "%i %i", &address
, &value
);
1508 dev_info(&pf
->pdev
->dev
, "write <reg> <value>\n");
1509 goto command_write_done
;
1512 /* check the range on address */
1513 if (address
> (pf
->ioremap_len
- sizeof(u32
))) {
1514 dev_info(&pf
->pdev
->dev
, "write reg address 0x%08x too large, max=0x%08lx\n",
1515 address
, (unsigned long int)(pf
->ioremap_len
- sizeof(u32
)));
1516 goto command_write_done
;
1518 wr32(&pf
->hw
, address
, value
);
1519 value
= rd32(&pf
->hw
, address
);
1520 dev_info(&pf
->pdev
->dev
, "write: 0x%08x = 0x%08x\n",
1522 } else if (strncmp(cmd_buf
, "clear_stats", 11) == 0) {
1523 if (strncmp(&cmd_buf
[12], "vsi", 3) == 0) {
1524 cnt
= sscanf(&cmd_buf
[15], "%i", &vsi_seid
);
1528 for (i
= 0; i
< pf
->num_alloc_vsi
; i
++)
1529 i40e_vsi_reset_stats(pf
->vsi
[i
]);
1530 dev_info(&pf
->pdev
->dev
, "vsi clear stats called for all vsi's\n");
1531 } else if (cnt
== 1) {
1532 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
1534 dev_info(&pf
->pdev
->dev
,
1535 "clear_stats vsi: bad vsi %d\n",
1537 goto command_write_done
;
1539 i40e_vsi_reset_stats(vsi
);
1540 dev_info(&pf
->pdev
->dev
,
1541 "vsi clear stats called for vsi %d\n",
1544 dev_info(&pf
->pdev
->dev
, "clear_stats vsi [seid]\n");
1546 } else if (strncmp(&cmd_buf
[12], "port", 4) == 0) {
1547 if (pf
->hw
.partition_id
== 1) {
1548 i40e_pf_reset_stats(pf
);
1549 dev_info(&pf
->pdev
->dev
, "port stats cleared\n");
1551 dev_info(&pf
->pdev
->dev
, "clear port stats not allowed on this port partition\n");
1554 dev_info(&pf
->pdev
->dev
, "clear_stats vsi [seid] or clear_stats port\n");
1556 } else if (strncmp(cmd_buf
, "send aq_cmd", 11) == 0) {
1557 struct i40e_aq_desc
*desc
;
1560 desc
= kzalloc(sizeof(struct i40e_aq_desc
), GFP_KERNEL
);
1562 goto command_write_done
;
1563 cnt
= sscanf(&cmd_buf
[11],
1564 "%hi %hi %hi %hi %i %i %i %i %i %i",
1566 &desc
->opcode
, &desc
->datalen
, &desc
->retval
,
1567 &desc
->cookie_high
, &desc
->cookie_low
,
1568 &desc
->params
.internal
.param0
,
1569 &desc
->params
.internal
.param1
,
1570 &desc
->params
.internal
.param2
,
1571 &desc
->params
.internal
.param3
);
1573 dev_info(&pf
->pdev
->dev
,
1574 "send aq_cmd: bad command string, cnt=%d\n",
1578 goto command_write_done
;
1580 ret
= i40e_asq_send_command(&pf
->hw
, desc
, NULL
, 0, NULL
);
1582 dev_info(&pf
->pdev
->dev
, "AQ command sent Status : Success\n");
1583 } else if (ret
== I40E_ERR_ADMIN_QUEUE_ERROR
) {
1584 dev_info(&pf
->pdev
->dev
,
1585 "AQ command send failed Opcode %x AQ Error: %d\n",
1586 desc
->opcode
, pf
->hw
.aq
.asq_last_status
);
1588 dev_info(&pf
->pdev
->dev
,
1589 "AQ command send failed Opcode %x Status: %d\n",
1592 dev_info(&pf
->pdev
->dev
,
1593 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1594 desc
->flags
, desc
->opcode
, desc
->datalen
, desc
->retval
,
1595 desc
->cookie_high
, desc
->cookie_low
,
1596 desc
->params
.internal
.param0
,
1597 desc
->params
.internal
.param1
,
1598 desc
->params
.internal
.param2
,
1599 desc
->params
.internal
.param3
);
1602 } else if (strncmp(cmd_buf
, "send indirect aq_cmd", 20) == 0) {
1603 struct i40e_aq_desc
*desc
;
1608 desc
= kzalloc(sizeof(struct i40e_aq_desc
), GFP_KERNEL
);
1610 goto command_write_done
;
1611 cnt
= sscanf(&cmd_buf
[20],
1612 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1614 &desc
->opcode
, &desc
->datalen
, &desc
->retval
,
1615 &desc
->cookie_high
, &desc
->cookie_low
,
1616 &desc
->params
.internal
.param0
,
1617 &desc
->params
.internal
.param1
,
1618 &desc
->params
.internal
.param2
,
1619 &desc
->params
.internal
.param3
,
1622 dev_info(&pf
->pdev
->dev
,
1623 "send indirect aq_cmd: bad command string, cnt=%d\n",
1627 goto command_write_done
;
1629 /* Just stub a buffer big enough in case user messed up */
1630 if (buffer_len
== 0)
1633 buff
= kzalloc(buffer_len
, GFP_KERNEL
);
1637 goto command_write_done
;
1639 desc
->flags
|= cpu_to_le16((u16
)I40E_AQ_FLAG_BUF
);
1640 ret
= i40e_asq_send_command(&pf
->hw
, desc
, buff
,
1643 dev_info(&pf
->pdev
->dev
, "AQ command sent Status : Success\n");
1644 } else if (ret
== I40E_ERR_ADMIN_QUEUE_ERROR
) {
1645 dev_info(&pf
->pdev
->dev
,
1646 "AQ command send failed Opcode %x AQ Error: %d\n",
1647 desc
->opcode
, pf
->hw
.aq
.asq_last_status
);
1649 dev_info(&pf
->pdev
->dev
,
1650 "AQ command send failed Opcode %x Status: %d\n",
1653 dev_info(&pf
->pdev
->dev
,
1654 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1655 desc
->flags
, desc
->opcode
, desc
->datalen
, desc
->retval
,
1656 desc
->cookie_high
, desc
->cookie_low
,
1657 desc
->params
.internal
.param0
,
1658 desc
->params
.internal
.param1
,
1659 desc
->params
.internal
.param2
,
1660 desc
->params
.internal
.param3
);
1661 print_hex_dump(KERN_INFO
, "AQ buffer WB: ",
1662 DUMP_PREFIX_OFFSET
, 16, 1,
1663 buff
, buffer_len
, true);
1668 } else if ((strncmp(cmd_buf
, "add fd_filter", 13) == 0) ||
1669 (strncmp(cmd_buf
, "rem fd_filter", 13) == 0)) {
1670 struct i40e_fdir_filter fd_data
;
1671 u16 packet_len
, i
, j
= 0;
1677 if (!(pf
->flags
& I40E_FLAG_FD_SB_ENABLED
))
1678 goto command_write_done
;
1680 if (strncmp(cmd_buf
, "add", 3) == 0)
1683 if (add
&& (pf
->auto_disable_flags
& I40E_FLAG_FD_SB_ENABLED
))
1684 goto command_write_done
;
1686 asc_packet
= kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE
,
1689 goto command_write_done
;
1691 raw_packet
= kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE
,
1697 goto command_write_done
;
1700 cnt
= sscanf(&cmd_buf
[13],
1701 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1703 &fd_data
.flex_off
, &fd_data
.pctype
,
1704 &fd_data
.dest_vsi
, &fd_data
.dest_ctl
,
1705 &fd_data
.fd_status
, &fd_data
.cnt_index
,
1706 &fd_data
.fd_id
, &packet_len
, asc_packet
);
1708 dev_info(&pf
->pdev
->dev
,
1709 "program fd_filter: bad command string, cnt=%d\n",
1714 goto command_write_done
;
1717 /* fix packet length if user entered 0 */
1718 if (packet_len
== 0)
1719 packet_len
= I40E_FDIR_MAX_RAW_PACKET_SIZE
;
1721 /* make sure to check the max as well */
1722 packet_len
= min_t(u16
,
1723 packet_len
, I40E_FDIR_MAX_RAW_PACKET_SIZE
);
1725 for (i
= 0; i
< packet_len
; i
++) {
1726 cnt
= sscanf(&asc_packet
[j
], "%2hhx ", &raw_packet
[i
]);
1731 dev_info(&pf
->pdev
->dev
, "FD raw packet dump\n");
1732 print_hex_dump(KERN_INFO
, "FD raw packet: ",
1733 DUMP_PREFIX_OFFSET
, 16, 1,
1734 raw_packet
, packet_len
, true);
1735 ret
= i40e_program_fdir_filter(&fd_data
, raw_packet
, pf
, add
);
1737 dev_info(&pf
->pdev
->dev
, "Filter command send Status : Success\n");
1739 dev_info(&pf
->pdev
->dev
,
1740 "Filter command send failed %d\n", ret
);
1746 } else if (strncmp(cmd_buf
, "fd current cnt", 14) == 0) {
1747 dev_info(&pf
->pdev
->dev
, "FD current total filter count for this interface: %d\n",
1748 i40e_get_current_fd_count(pf
));
1749 } else if (strncmp(cmd_buf
, "lldp", 4) == 0) {
1750 if (strncmp(&cmd_buf
[5], "stop", 4) == 0) {
1753 ret
= i40e_aq_stop_lldp(&pf
->hw
, false, NULL
);
1755 dev_info(&pf
->pdev
->dev
,
1756 "Stop LLDP AQ command failed =0x%x\n",
1757 pf
->hw
.aq
.asq_last_status
);
1758 goto command_write_done
;
1760 ret
= i40e_aq_add_rem_control_packet_filter(&pf
->hw
,
1763 pf
->vsi
[pf
->lan_vsi
]->seid
,
1764 0, true, NULL
, NULL
);
1766 dev_info(&pf
->pdev
->dev
,
1767 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1768 __func__
, pf
->hw
.aq
.asq_last_status
);
1769 goto command_write_done
;
1771 #ifdef CONFIG_I40E_DCB
1772 pf
->dcbx_cap
= DCB_CAP_DCBX_HOST
|
1773 DCB_CAP_DCBX_VER_IEEE
;
1774 #endif /* CONFIG_I40E_DCB */
1775 } else if (strncmp(&cmd_buf
[5], "start", 5) == 0) {
1778 ret
= i40e_aq_add_rem_control_packet_filter(&pf
->hw
,
1781 pf
->vsi
[pf
->lan_vsi
]->seid
,
1782 0, false, NULL
, NULL
);
1784 dev_info(&pf
->pdev
->dev
,
1785 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1786 __func__
, pf
->hw
.aq
.asq_last_status
);
1787 /* Continue and start FW LLDP anyways */
1790 ret
= i40e_aq_start_lldp(&pf
->hw
, NULL
);
1792 dev_info(&pf
->pdev
->dev
,
1793 "Start LLDP AQ command failed =0x%x\n",
1794 pf
->hw
.aq
.asq_last_status
);
1795 goto command_write_done
;
1797 #ifdef CONFIG_I40E_DCB
1798 pf
->dcbx_cap
= DCB_CAP_DCBX_LLD_MANAGED
|
1799 DCB_CAP_DCBX_VER_IEEE
;
1800 #endif /* CONFIG_I40E_DCB */
1801 } else if (strncmp(&cmd_buf
[5],
1802 "get local", 9) == 0) {
1807 buff
= kzalloc(I40E_LLDPDU_SIZE
, GFP_KERNEL
);
1809 goto command_write_done
;
1811 ret
= i40e_aq_get_lldp_mib(&pf
->hw
, 0,
1812 I40E_AQ_LLDP_MIB_LOCAL
,
1813 buff
, I40E_LLDPDU_SIZE
,
1814 &llen
, &rlen
, NULL
);
1816 dev_info(&pf
->pdev
->dev
,
1817 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1818 pf
->hw
.aq
.asq_last_status
);
1821 goto command_write_done
;
1823 dev_info(&pf
->pdev
->dev
, "LLDP MIB (local)\n");
1824 print_hex_dump(KERN_INFO
, "LLDP MIB (local): ",
1825 DUMP_PREFIX_OFFSET
, 16, 1,
1826 buff
, I40E_LLDPDU_SIZE
, true);
1829 } else if (strncmp(&cmd_buf
[5], "get remote", 10) == 0) {
1834 buff
= kzalloc(I40E_LLDPDU_SIZE
, GFP_KERNEL
);
1836 goto command_write_done
;
1838 ret
= i40e_aq_get_lldp_mib(&pf
->hw
,
1839 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE
,
1840 I40E_AQ_LLDP_MIB_REMOTE
,
1841 buff
, I40E_LLDPDU_SIZE
,
1842 &llen
, &rlen
, NULL
);
1844 dev_info(&pf
->pdev
->dev
,
1845 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1846 pf
->hw
.aq
.asq_last_status
);
1849 goto command_write_done
;
1851 dev_info(&pf
->pdev
->dev
, "LLDP MIB (remote)\n");
1852 print_hex_dump(KERN_INFO
, "LLDP MIB (remote): ",
1853 DUMP_PREFIX_OFFSET
, 16, 1,
1854 buff
, I40E_LLDPDU_SIZE
, true);
1857 } else if (strncmp(&cmd_buf
[5], "event on", 8) == 0) {
1860 ret
= i40e_aq_cfg_lldp_mib_change_event(&pf
->hw
,
1863 dev_info(&pf
->pdev
->dev
,
1864 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1865 pf
->hw
.aq
.asq_last_status
);
1866 goto command_write_done
;
1868 } else if (strncmp(&cmd_buf
[5], "event off", 9) == 0) {
1871 ret
= i40e_aq_cfg_lldp_mib_change_event(&pf
->hw
,
1874 dev_info(&pf
->pdev
->dev
,
1875 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1876 pf
->hw
.aq
.asq_last_status
);
1877 goto command_write_done
;
1880 } else if (strncmp(cmd_buf
, "nvm read", 8) == 0) {
1881 u16 buffer_len
, bytes
;
1887 cnt
= sscanf(&cmd_buf
[8], "%hx %x %hx",
1888 &module
, &offset
, &buffer_len
);
1893 } else if (cnt
== 1) {
1896 } else if (cnt
== 2) {
1898 } else if (cnt
> 3) {
1899 dev_info(&pf
->pdev
->dev
,
1900 "nvm read: bad command string, cnt=%d\n", cnt
);
1901 goto command_write_done
;
1904 /* set the max length */
1905 buffer_len
= min_t(u16
, buffer_len
, I40E_MAX_AQ_BUF_SIZE
/2);
1907 bytes
= 2 * buffer_len
;
1909 /* read at least 1k bytes, no more than 4kB */
1910 bytes
= clamp(bytes
, (u16
)1024, (u16
)I40E_MAX_AQ_BUF_SIZE
);
1911 buff
= kzalloc(bytes
, GFP_KERNEL
);
1913 goto command_write_done
;
1915 ret
= i40e_acquire_nvm(&pf
->hw
, I40E_RESOURCE_READ
);
1917 dev_info(&pf
->pdev
->dev
,
1918 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1919 ret
, pf
->hw
.aq
.asq_last_status
);
1921 goto command_write_done
;
1924 ret
= i40e_aq_read_nvm(&pf
->hw
, module
, (2 * offset
),
1925 bytes
, (u8
*)buff
, true, NULL
);
1926 i40e_release_nvm(&pf
->hw
);
1928 dev_info(&pf
->pdev
->dev
,
1929 "Read NVM AQ failed err=%d status=0x%x\n",
1930 ret
, pf
->hw
.aq
.asq_last_status
);
1932 dev_info(&pf
->pdev
->dev
,
1933 "Read NVM module=0x%x offset=0x%x words=%d\n",
1934 module
, offset
, buffer_len
);
1936 print_hex_dump(KERN_INFO
, "NVM Dump: ",
1937 DUMP_PREFIX_OFFSET
, 16, 2,
1943 dev_info(&pf
->pdev
->dev
, "unknown command '%s'\n", cmd_buf
);
1944 dev_info(&pf
->pdev
->dev
, "available commands\n");
1945 dev_info(&pf
->pdev
->dev
, " add vsi [relay_seid]\n");
1946 dev_info(&pf
->pdev
->dev
, " del vsi [vsi_seid]\n");
1947 dev_info(&pf
->pdev
->dev
, " add relay <uplink_seid> <vsi_seid>\n");
1948 dev_info(&pf
->pdev
->dev
, " del relay <relay_seid>\n");
1949 dev_info(&pf
->pdev
->dev
, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1950 dev_info(&pf
->pdev
->dev
, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1951 dev_info(&pf
->pdev
->dev
, " add pvid <vsi_seid> <vid>\n");
1952 dev_info(&pf
->pdev
->dev
, " del pvid <vsi_seid>\n");
1953 dev_info(&pf
->pdev
->dev
, " dump switch\n");
1954 dev_info(&pf
->pdev
->dev
, " dump vsi [seid]\n");
1955 dev_info(&pf
->pdev
->dev
, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1956 dev_info(&pf
->pdev
->dev
, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1957 dev_info(&pf
->pdev
->dev
, " dump desc aq\n");
1958 dev_info(&pf
->pdev
->dev
, " dump reset stats\n");
1959 dev_info(&pf
->pdev
->dev
, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1960 dev_info(&pf
->pdev
->dev
, " msg_enable [level]\n");
1961 dev_info(&pf
->pdev
->dev
, " read <reg>\n");
1962 dev_info(&pf
->pdev
->dev
, " write <reg> <value>\n");
1963 dev_info(&pf
->pdev
->dev
, " clear_stats vsi [seid]\n");
1964 dev_info(&pf
->pdev
->dev
, " clear_stats port\n");
1965 dev_info(&pf
->pdev
->dev
, " pfr\n");
1966 dev_info(&pf
->pdev
->dev
, " corer\n");
1967 dev_info(&pf
->pdev
->dev
, " globr\n");
1968 dev_info(&pf
->pdev
->dev
, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1969 dev_info(&pf
->pdev
->dev
, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1970 dev_info(&pf
->pdev
->dev
, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1971 dev_info(&pf
->pdev
->dev
, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1972 dev_info(&pf
->pdev
->dev
, " fd current cnt");
1973 dev_info(&pf
->pdev
->dev
, " lldp start\n");
1974 dev_info(&pf
->pdev
->dev
, " lldp stop\n");
1975 dev_info(&pf
->pdev
->dev
, " lldp get local\n");
1976 dev_info(&pf
->pdev
->dev
, " lldp get remote\n");
1977 dev_info(&pf
->pdev
->dev
, " lldp event on\n");
1978 dev_info(&pf
->pdev
->dev
, " lldp event off\n");
1979 dev_info(&pf
->pdev
->dev
, " nvm read [module] [word_offset] [word_count]\n");
1988 static const struct file_operations i40e_dbg_command_fops
= {
1989 .owner
= THIS_MODULE
,
1990 .open
= simple_open
,
1991 .read
= i40e_dbg_command_read
,
1992 .write
= i40e_dbg_command_write
,
1995 /**************************************************************
1997 * The netdev_ops entry in debugfs is for giving the driver commands
1998 * to be executed from the netdev operations.
1999 **************************************************************/
2000 static char i40e_dbg_netdev_ops_buf
[256] = "";
2003 * i40e_dbg_netdev_ops - read for netdev_ops datum
2004 * @filp: the opened file
2005 * @buffer: where to write the data for the user to read
2006 * @count: the size of the user's buffer
2007 * @ppos: file position offset
2009 static ssize_t
i40e_dbg_netdev_ops_read(struct file
*filp
, char __user
*buffer
,
2010 size_t count
, loff_t
*ppos
)
2012 struct i40e_pf
*pf
= filp
->private_data
;
2013 int bytes_not_copied
;
2018 /* don't allow partal reads */
2021 if (count
< buf_size
)
2024 buf
= kzalloc(buf_size
, GFP_KERNEL
);
2028 len
= snprintf(buf
, buf_size
, "%s: %s\n",
2029 pf
->vsi
[pf
->lan_vsi
]->netdev
->name
,
2030 i40e_dbg_netdev_ops_buf
);
2032 bytes_not_copied
= copy_to_user(buffer
, buf
, len
);
2035 if (bytes_not_copied
)
2043 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
2044 * @filp: the opened file
2045 * @buffer: where to find the user's data
2046 * @count: the length of the user's data
2047 * @ppos: file position offset
2049 static ssize_t
i40e_dbg_netdev_ops_write(struct file
*filp
,
2050 const char __user
*buffer
,
2051 size_t count
, loff_t
*ppos
)
2053 struct i40e_pf
*pf
= filp
->private_data
;
2054 int bytes_not_copied
;
2055 struct i40e_vsi
*vsi
;
2060 /* don't allow partial writes */
2063 if (count
>= sizeof(i40e_dbg_netdev_ops_buf
))
2066 memset(i40e_dbg_netdev_ops_buf
, 0, sizeof(i40e_dbg_netdev_ops_buf
));
2067 bytes_not_copied
= copy_from_user(i40e_dbg_netdev_ops_buf
,
2069 if (bytes_not_copied
)
2071 i40e_dbg_netdev_ops_buf
[count
] = '\0';
2073 buf_tmp
= strchr(i40e_dbg_netdev_ops_buf
, '\n');
2076 count
= buf_tmp
- i40e_dbg_netdev_ops_buf
+ 1;
2079 if (strncmp(i40e_dbg_netdev_ops_buf
, "tx_timeout", 10) == 0) {
2080 cnt
= sscanf(&i40e_dbg_netdev_ops_buf
[11], "%i", &vsi_seid
);
2082 dev_info(&pf
->pdev
->dev
, "tx_timeout <vsi_seid>\n");
2083 goto netdev_ops_write_done
;
2085 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
2087 dev_info(&pf
->pdev
->dev
,
2088 "tx_timeout: VSI %d not found\n", vsi_seid
);
2089 } else if (!vsi
->netdev
) {
2090 dev_info(&pf
->pdev
->dev
, "tx_timeout: no netdev for VSI %d\n",
2092 } else if (test_bit(__I40E_DOWN
, &vsi
->state
)) {
2093 dev_info(&pf
->pdev
->dev
, "tx_timeout: VSI %d not UP\n",
2095 } else if (rtnl_trylock()) {
2096 vsi
->netdev
->netdev_ops
->ndo_tx_timeout(vsi
->netdev
);
2098 dev_info(&pf
->pdev
->dev
, "tx_timeout called\n");
2100 dev_info(&pf
->pdev
->dev
, "Could not acquire RTNL - please try again\n");
2102 } else if (strncmp(i40e_dbg_netdev_ops_buf
, "change_mtu", 10) == 0) {
2105 cnt
= sscanf(&i40e_dbg_netdev_ops_buf
[11], "%i %i",
2108 dev_info(&pf
->pdev
->dev
, "change_mtu <vsi_seid> <mtu>\n");
2109 goto netdev_ops_write_done
;
2111 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
2113 dev_info(&pf
->pdev
->dev
,
2114 "change_mtu: VSI %d not found\n", vsi_seid
);
2115 } else if (!vsi
->netdev
) {
2116 dev_info(&pf
->pdev
->dev
, "change_mtu: no netdev for VSI %d\n",
2118 } else if (rtnl_trylock()) {
2119 vsi
->netdev
->netdev_ops
->ndo_change_mtu(vsi
->netdev
,
2122 dev_info(&pf
->pdev
->dev
, "change_mtu called\n");
2124 dev_info(&pf
->pdev
->dev
, "Could not acquire RTNL - please try again\n");
2127 } else if (strncmp(i40e_dbg_netdev_ops_buf
, "set_rx_mode", 11) == 0) {
2128 cnt
= sscanf(&i40e_dbg_netdev_ops_buf
[11], "%i", &vsi_seid
);
2130 dev_info(&pf
->pdev
->dev
, "set_rx_mode <vsi_seid>\n");
2131 goto netdev_ops_write_done
;
2133 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
2135 dev_info(&pf
->pdev
->dev
,
2136 "set_rx_mode: VSI %d not found\n", vsi_seid
);
2137 } else if (!vsi
->netdev
) {
2138 dev_info(&pf
->pdev
->dev
, "set_rx_mode: no netdev for VSI %d\n",
2140 } else if (rtnl_trylock()) {
2141 vsi
->netdev
->netdev_ops
->ndo_set_rx_mode(vsi
->netdev
);
2143 dev_info(&pf
->pdev
->dev
, "set_rx_mode called\n");
2145 dev_info(&pf
->pdev
->dev
, "Could not acquire RTNL - please try again\n");
2148 } else if (strncmp(i40e_dbg_netdev_ops_buf
, "napi", 4) == 0) {
2149 cnt
= sscanf(&i40e_dbg_netdev_ops_buf
[4], "%i", &vsi_seid
);
2151 dev_info(&pf
->pdev
->dev
, "napi <vsi_seid>\n");
2152 goto netdev_ops_write_done
;
2154 vsi
= i40e_dbg_find_vsi(pf
, vsi_seid
);
2156 dev_info(&pf
->pdev
->dev
, "napi: VSI %d not found\n",
2158 } else if (!vsi
->netdev
) {
2159 dev_info(&pf
->pdev
->dev
, "napi: no netdev for VSI %d\n",
2162 for (i
= 0; i
< vsi
->num_q_vectors
; i
++)
2163 napi_schedule(&vsi
->q_vectors
[i
]->napi
);
2164 dev_info(&pf
->pdev
->dev
, "napi called\n");
2167 dev_info(&pf
->pdev
->dev
, "unknown command '%s'\n",
2168 i40e_dbg_netdev_ops_buf
);
2169 dev_info(&pf
->pdev
->dev
, "available commands\n");
2170 dev_info(&pf
->pdev
->dev
, " tx_timeout <vsi_seid>\n");
2171 dev_info(&pf
->pdev
->dev
, " change_mtu <vsi_seid> <mtu>\n");
2172 dev_info(&pf
->pdev
->dev
, " set_rx_mode <vsi_seid>\n");
2173 dev_info(&pf
->pdev
->dev
, " napi <vsi_seid>\n");
2175 netdev_ops_write_done
:
2179 static const struct file_operations i40e_dbg_netdev_ops_fops
= {
2180 .owner
= THIS_MODULE
,
2181 .open
= simple_open
,
2182 .read
= i40e_dbg_netdev_ops_read
,
2183 .write
= i40e_dbg_netdev_ops_write
,
2187 * i40e_dbg_pf_init - setup the debugfs directory for the PF
2188 * @pf: the PF that is starting up
2190 void i40e_dbg_pf_init(struct i40e_pf
*pf
)
2192 struct dentry
*pfile
;
2193 const char *name
= pci_name(pf
->pdev
);
2194 const struct device
*dev
= &pf
->pdev
->dev
;
2196 pf
->i40e_dbg_pf
= debugfs_create_dir(name
, i40e_dbg_root
);
2197 if (!pf
->i40e_dbg_pf
)
2200 pfile
= debugfs_create_file("command", 0600, pf
->i40e_dbg_pf
, pf
,
2201 &i40e_dbg_command_fops
);
2205 pfile
= debugfs_create_file("dump", 0600, pf
->i40e_dbg_pf
, pf
,
2206 &i40e_dbg_dump_fops
);
2210 pfile
= debugfs_create_file("netdev_ops", 0600, pf
->i40e_dbg_pf
, pf
,
2211 &i40e_dbg_netdev_ops_fops
);
2218 dev_info(dev
, "debugfs dir/file for %s failed\n", name
);
2219 debugfs_remove_recursive(pf
->i40e_dbg_pf
);
2223 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
2224 * @pf: the PF that is stopping
2226 void i40e_dbg_pf_exit(struct i40e_pf
*pf
)
2228 debugfs_remove_recursive(pf
->i40e_dbg_pf
);
2229 pf
->i40e_dbg_pf
= NULL
;
2231 kfree(i40e_dbg_dump_buf
);
2232 i40e_dbg_dump_buf
= NULL
;
2236 * i40e_dbg_init - start up debugfs for the driver
2238 void i40e_dbg_init(void)
2240 i40e_dbg_root
= debugfs_create_dir(i40e_driver_name
, NULL
);
2242 pr_info("init of debugfs failed\n");
2246 * i40e_dbg_exit - clean out the driver's debugfs entries
2248 void i40e_dbg_exit(void)
2250 debugfs_remove_recursive(i40e_dbg_root
);
2251 i40e_dbg_root
= NULL
;
2254 #endif /* CONFIG_DEBUG_FS */