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 */