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 < 0)
107 return 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] = "hello world";
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 < 0)
357 return 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 list_for_each_entry(f, &vsi->mac_filter_list, list) {
394 dev_info(&pf->pdev->dev,
395 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
396 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
399 nstat = i40e_get_vsi_stats_struct(vsi);
400 dev_info(&pf->pdev->dev,
401 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
402 (long unsigned int)nstat->rx_packets,
403 (long unsigned int)nstat->rx_bytes,
404 (long unsigned int)nstat->rx_errors,
405 (long unsigned int)nstat->rx_dropped);
406 dev_info(&pf->pdev->dev,
407 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
408 (long unsigned int)nstat->tx_packets,
409 (long unsigned int)nstat->tx_bytes,
410 (long unsigned int)nstat->tx_errors,
411 (long unsigned int)nstat->tx_dropped);
412 dev_info(&pf->pdev->dev,
413 " net_stats: multicast = %lu, collisions = %lu\n",
414 (long unsigned int)nstat->multicast,
415 (long unsigned int)nstat->collisions);
416 dev_info(&pf->pdev->dev,
417 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
418 (long unsigned int)nstat->rx_length_errors,
419 (long unsigned int)nstat->rx_over_errors,
420 (long unsigned int)nstat->rx_crc_errors);
421 dev_info(&pf->pdev->dev,
422 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
423 (long unsigned int)nstat->rx_frame_errors,
424 (long unsigned int)nstat->rx_fifo_errors,
425 (long unsigned int)nstat->rx_missed_errors);
426 dev_info(&pf->pdev->dev,
427 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
428 (long unsigned int)nstat->tx_aborted_errors,
429 (long unsigned int)nstat->tx_carrier_errors,
430 (long unsigned int)nstat->tx_fifo_errors);
431 dev_info(&pf->pdev->dev,
432 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
433 (long unsigned int)nstat->tx_heartbeat_errors,
434 (long unsigned int)nstat->tx_window_errors);
435 dev_info(&pf->pdev->dev,
436 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
437 (long unsigned int)nstat->rx_compressed,
438 (long unsigned int)nstat->tx_compressed);
439 dev_info(&pf->pdev->dev,
440 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
441 (long unsigned int)vsi->net_stats_offsets.rx_packets,
442 (long unsigned int)vsi->net_stats_offsets.rx_bytes,
443 (long unsigned int)vsi->net_stats_offsets.rx_errors,
444 (long unsigned int)vsi->net_stats_offsets.rx_dropped);
445 dev_info(&pf->pdev->dev,
446 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
447 (long unsigned int)vsi->net_stats_offsets.tx_packets,
448 (long unsigned int)vsi->net_stats_offsets.tx_bytes,
449 (long unsigned int)vsi->net_stats_offsets.tx_errors,
450 (long unsigned int)vsi->net_stats_offsets.tx_dropped);
451 dev_info(&pf->pdev->dev,
452 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
453 (long unsigned int)vsi->net_stats_offsets.multicast,
454 (long unsigned int)vsi->net_stats_offsets.collisions);
455 dev_info(&pf->pdev->dev,
456 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
457 (long unsigned int)vsi->net_stats_offsets.rx_length_errors,
458 (long unsigned int)vsi->net_stats_offsets.rx_over_errors,
459 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors);
460 dev_info(&pf->pdev->dev,
461 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
462 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors,
463 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors,
464 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors);
465 dev_info(&pf->pdev->dev,
466 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
467 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors,
468 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors,
469 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors);
470 dev_info(&pf->pdev->dev,
471 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
472 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors,
473 (long unsigned int)vsi->net_stats_offsets.tx_window_errors);
474 dev_info(&pf->pdev->dev,
475 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
476 (long unsigned int)vsi->net_stats_offsets.rx_compressed,
477 (long unsigned int)vsi->net_stats_offsets.tx_compressed);
478 dev_info(&pf->pdev->dev,
479 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
480 vsi->tx_restart, vsi->tx_busy,
481 vsi->rx_buf_failed, vsi->rx_page_failed);
483 for (i = 0; i < vsi->num_queue_pairs; i++) {
484 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
488 dev_info(&pf->pdev->dev,
489 " rx_rings[%i]: desc = %p\n",
491 dev_info(&pf->pdev->dev,
492 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
496 dev_info(&pf->pdev->dev,
497 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
499 rx_ring->queue_index,
501 dev_info(&pf->pdev->dev,
502 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
503 i, rx_ring->rx_hdr_len,
506 dev_info(&pf->pdev->dev,
507 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
509 rx_ring->next_to_use,
510 rx_ring->next_to_clean,
511 rx_ring->ring_active);
512 dev_info(&pf->pdev->dev,
513 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
514 i, rx_ring->stats.packets,
515 rx_ring->stats.bytes,
516 rx_ring->rx_stats.non_eop_descs);
517 dev_info(&pf->pdev->dev,
518 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
520 rx_ring->rx_stats.alloc_page_failed,
521 rx_ring->rx_stats.alloc_buff_failed);
522 dev_info(&pf->pdev->dev,
523 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
525 (long unsigned int)rx_ring->dma);
526 dev_info(&pf->pdev->dev,
527 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
531 for (i = 0; i < vsi->num_queue_pairs; i++) {
532 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
536 dev_info(&pf->pdev->dev,
537 " tx_rings[%i]: desc = %p\n",
539 dev_info(&pf->pdev->dev,
540 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
544 dev_info(&pf->pdev->dev,
545 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
547 tx_ring->queue_index,
549 dev_info(&pf->pdev->dev,
550 " tx_rings[%i]: dtype = %d\n",
552 dev_info(&pf->pdev->dev,
553 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
555 tx_ring->next_to_use,
556 tx_ring->next_to_clean,
557 tx_ring->ring_active);
558 dev_info(&pf->pdev->dev,
559 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
560 i, tx_ring->stats.packets,
561 tx_ring->stats.bytes,
562 tx_ring->tx_stats.restart_queue);
563 dev_info(&pf->pdev->dev,
564 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
566 tx_ring->tx_stats.tx_busy,
567 tx_ring->tx_stats.tx_done_old);
568 dev_info(&pf->pdev->dev,
569 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
571 (long unsigned int)tx_ring->dma);
572 dev_info(&pf->pdev->dev,
573 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
576 dev_info(&pf->pdev->dev,
577 " tx_rings[%i]: DCB tc = %d\n",
581 dev_info(&pf->pdev->dev,
582 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
583 vsi->work_limit, vsi->rx_itr_setting,
584 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
586 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
587 dev_info(&pf->pdev->dev,
588 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
589 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
590 dev_info(&pf->pdev->dev,
591 " num_q_vectors = %i, base_vector = %i\n",
592 vsi->num_q_vectors, vsi->base_vector);
593 dev_info(&pf->pdev->dev,
594 " seid = %d, id = %d, uplink_seid = %d\n",
595 vsi->seid, vsi->id, vsi->uplink_seid);
596 dev_info(&pf->pdev->dev,
597 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
598 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
599 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
600 dev_info(&pf->pdev->dev,
601 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
602 vsi->info.valid_sections, vsi->info.switch_id);
603 dev_info(&pf->pdev->dev,
604 " info: sw_reserved[] = 0x%02x 0x%02x\n",
605 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
606 dev_info(&pf->pdev->dev,
607 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
608 vsi->info.sec_flags, vsi->info.sec_reserved);
609 dev_info(&pf->pdev->dev,
610 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
611 vsi->info.pvid, vsi->info.fcoe_pvid,
612 vsi->info.port_vlan_flags);
613 dev_info(&pf->pdev->dev,
614 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
615 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
616 vsi->info.pvlan_reserved[2]);
617 dev_info(&pf->pdev->dev,
618 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
619 vsi->info.ingress_table, vsi->info.egress_table);
620 dev_info(&pf->pdev->dev,
621 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
622 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
623 vsi->info.cas_pv_reserved);
624 dev_info(&pf->pdev->dev,
625 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
626 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
627 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
628 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
629 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
630 dev_info(&pf->pdev->dev,
631 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
632 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
633 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
634 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
635 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
636 dev_info(&pf->pdev->dev,
637 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
638 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
639 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
640 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
641 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
642 dev_info(&pf->pdev->dev,
643 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
644 vsi->info.queueing_opt_flags,
645 vsi->info.queueing_opt_reserved[0],
646 vsi->info.queueing_opt_reserved[1],
647 vsi->info.queueing_opt_reserved[2]);
648 dev_info(&pf->pdev->dev,
649 " info: up_enable_bits = 0x%02x\n",
650 vsi->info.up_enable_bits);
651 dev_info(&pf->pdev->dev,
652 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
653 vsi->info.sched_reserved, vsi->info.outer_up_table);
654 dev_info(&pf->pdev->dev,
655 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
656 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
657 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
658 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
659 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
660 dev_info(&pf->pdev->dev,
661 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
662 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
663 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
664 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
665 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
666 dev_info(&pf->pdev->dev,
667 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
668 vsi->info.stat_counter_idx, vsi->info.sched_id);
669 dev_info(&pf->pdev->dev,
670 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
671 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
672 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
673 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
674 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
675 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
676 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
678 dev_info(&pf->pdev->dev, " pf = %p\n", vsi->back);
679 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
680 dev_info(&pf->pdev->dev,
681 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
682 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
683 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
684 dev_info(&pf->pdev->dev,
685 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
686 i, vsi->tc_config.tc_info[i].qoffset,
687 vsi->tc_config.tc_info[i].qcount,
688 vsi->tc_config.tc_info[i].netdev_tc);
690 dev_info(&pf->pdev->dev,
691 " bw: bw_limit = %d, bw_max_quanta = %d\n",
692 vsi->bw_limit, vsi->bw_max_quanta);
693 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
694 dev_info(&pf->pdev->dev,
695 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
696 i, vsi->bw_ets_share_credits[i],
697 vsi->bw_ets_limit_credits[i],
698 vsi->bw_ets_max_quanta[i]);
701 if (vsi->type == I40E_VSI_FCOE) {
702 dev_info(&pf->pdev->dev,
703 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
704 vsi->fcoe_stats.rx_fcoe_packets,
705 vsi->fcoe_stats.rx_fcoe_dwords,
706 vsi->fcoe_stats.rx_fcoe_dropped);
707 dev_info(&pf->pdev->dev,
708 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
709 vsi->fcoe_stats.tx_fcoe_packets,
710 vsi->fcoe_stats.tx_fcoe_dwords);
711 dev_info(&pf->pdev->dev,
712 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
713 vsi->fcoe_stats.fcoe_bad_fccrc,
714 vsi->fcoe_stats.fcoe_last_error);
715 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
716 vsi->fcoe_stats.fcoe_ddp_count);
722 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
723 * @pf: the i40e_pf created in command write
725 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
727 struct i40e_adminq_ring *ring;
728 struct i40e_hw *hw = &pf->hw;
732 snprintf(hdr, sizeof(hdr), "%s %s: ",
733 dev_driver_string(&pf->pdev->dev),
734 dev_name(&pf->pdev->dev));
736 /* first the send (command) ring, then the receive (event) ring */
737 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
738 ring = &(hw->aq.asq);
739 for (i = 0; i < ring->count; i++) {
740 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
741 dev_info(&pf->pdev->dev,
742 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
743 i, d->flags, d->opcode, d->datalen, d->retval,
744 d->cookie_high, d->cookie_low);
745 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
746 16, 1, d->params.raw, 16, 0);
749 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
750 ring = &(hw->aq.arq);
751 for (i = 0; i < ring->count; i++) {
752 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
753 dev_info(&pf->pdev->dev,
754 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
755 i, d->flags, d->opcode, d->datalen, d->retval,
756 d->cookie_high, d->cookie_low);
757 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
758 16, 1, d->params.raw, 16, 0);
763 * i40e_dbg_dump_desc - handles dump desc write into command datum
764 * @cnt: number of arguments that the user supplied
765 * @vsi_seid: vsi id entered by user
766 * @ring_id: ring id entered by user
767 * @desc_n: descriptor number entered by user
768 * @pf: the i40e_pf created in command write
769 * @is_rx_ring: true if rx, false if tx
771 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
772 struct i40e_pf *pf, bool is_rx_ring)
774 struct i40e_tx_desc *txd;
775 union i40e_rx_desc *rxd;
776 struct i40e_ring *ring;
777 struct i40e_vsi *vsi;
780 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
782 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
785 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
786 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
789 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
790 dev_info(&pf->pdev->dev,
791 "descriptor rings have not been allocated for vsi %d\n",
796 ring = kmemdup(is_rx_ring
797 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
798 sizeof(*ring), GFP_KERNEL);
803 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
804 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
805 for (i = 0; i < ring->count; i++) {
807 txd = I40E_TX_DESC(ring, i);
808 dev_info(&pf->pdev->dev,
809 " d[%03i] = 0x%016llx 0x%016llx\n",
811 txd->cmd_type_offset_bsz);
812 } else if (sizeof(union i40e_rx_desc) ==
813 sizeof(union i40e_16byte_rx_desc)) {
814 rxd = I40E_RX_DESC(ring, i);
815 dev_info(&pf->pdev->dev,
816 " d[%03i] = 0x%016llx 0x%016llx\n",
817 i, rxd->read.pkt_addr,
820 rxd = I40E_RX_DESC(ring, i);
821 dev_info(&pf->pdev->dev,
822 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
823 i, rxd->read.pkt_addr,
825 rxd->read.rsvd1, rxd->read.rsvd2);
828 } else if (cnt == 3) {
829 if (desc_n >= ring->count || desc_n < 0) {
830 dev_info(&pf->pdev->dev,
831 "descriptor %d not found\n", desc_n);
835 txd = I40E_TX_DESC(ring, desc_n);
836 dev_info(&pf->pdev->dev,
837 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
838 vsi_seid, ring_id, desc_n,
839 txd->buffer_addr, txd->cmd_type_offset_bsz);
840 } else if (sizeof(union i40e_rx_desc) ==
841 sizeof(union i40e_16byte_rx_desc)) {
842 rxd = I40E_RX_DESC(ring, desc_n);
843 dev_info(&pf->pdev->dev,
844 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
845 vsi_seid, ring_id, desc_n,
846 rxd->read.pkt_addr, rxd->read.hdr_addr);
848 rxd = I40E_RX_DESC(ring, desc_n);
849 dev_info(&pf->pdev->dev,
850 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
851 vsi_seid, ring_id, desc_n,
852 rxd->read.pkt_addr, rxd->read.hdr_addr,
853 rxd->read.rsvd1, rxd->read.rsvd2);
856 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
864 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
865 * @pf: the i40e_pf created in command write
867 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
871 for (i = 0; i < pf->num_alloc_vsi; i++)
873 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
874 i, pf->vsi[i]->seid);
878 * i40e_dbg_dump_stats - handles dump stats write into command datum
879 * @pf: the i40e_pf created in command write
880 * @estats: the eth stats structure to be dumped
882 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
883 struct i40e_eth_stats *estats)
885 dev_info(&pf->pdev->dev, " ethstats:\n");
886 dev_info(&pf->pdev->dev,
887 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
888 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
889 dev_info(&pf->pdev->dev,
890 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
891 estats->rx_broadcast, estats->rx_discards);
892 dev_info(&pf->pdev->dev,
893 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
894 estats->rx_unknown_protocol, estats->tx_bytes);
895 dev_info(&pf->pdev->dev,
896 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
897 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
898 dev_info(&pf->pdev->dev,
899 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
900 estats->tx_discards, estats->tx_errors);
904 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
905 * @pf: the i40e_pf created in command write
906 * @seid: the seid the user put in
908 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
910 struct i40e_veb *veb;
912 if ((seid < I40E_BASE_VEB_SEID) ||
913 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
914 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
918 veb = i40e_dbg_find_veb(pf, seid);
920 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
923 dev_info(&pf->pdev->dev,
924 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
925 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
927 i40e_dbg_dump_eth_stats(pf, &veb->stats);
931 * i40e_dbg_dump_veb_all - dumps all known veb's stats
932 * @pf: the i40e_pf created in command write
934 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
936 struct i40e_veb *veb;
939 for (i = 0; i < I40E_MAX_VEB; i++) {
942 i40e_dbg_dump_veb_seid(pf, veb->seid);
947 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR
948 * @pf: the pf that would be altered
949 * @flag: flag that needs enabling or disabling
950 * @enable: Enable/disable FD SD/ATR
952 static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable)
958 pf->auto_disable_flags |= flag;
960 dev_info(&pf->pdev->dev, "requesting a pf reset\n");
961 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
964 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
966 * i40e_dbg_command_write - write into command datum
967 * @filp: the opened file
968 * @buffer: where to find the user's data
969 * @count: the length of the user's data
970 * @ppos: file position offset
972 static ssize_t i40e_dbg_command_write(struct file *filp,
973 const char __user *buffer,
974 size_t count, loff_t *ppos)
976 struct i40e_pf *pf = filp->private_data;
977 char *cmd_buf, *cmd_buf_tmp;
978 int bytes_not_copied;
979 struct i40e_vsi *vsi;
984 /* don't allow partial writes */
988 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
991 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
992 if (bytes_not_copied < 0)
993 return bytes_not_copied;
994 if (bytes_not_copied > 0)
995 count -= bytes_not_copied;
996 cmd_buf[count] = '\0';
998 cmd_buf_tmp = strchr(cmd_buf, '\n');
1000 *cmd_buf_tmp = '\0';
1001 count = cmd_buf_tmp - cmd_buf + 1;
1004 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1006 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1008 /* default to PF VSI */
1009 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1010 } else if (vsi_seid < 0) {
1011 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1013 goto command_write_done;
1016 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1018 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1019 vsi->seid, vsi->uplink_seid);
1021 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1023 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1024 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1025 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1027 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1029 goto command_write_done;
1032 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1033 i40e_vsi_release(vsi);
1035 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1036 struct i40e_veb *veb;
1039 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1041 dev_info(&pf->pdev->dev,
1042 "add relay: bad command string, cnt=%d\n",
1044 goto command_write_done;
1045 } else if (uplink_seid < 0) {
1046 dev_info(&pf->pdev->dev,
1047 "add relay %d: bad uplink seid\n",
1049 goto command_write_done;
1052 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1054 dev_info(&pf->pdev->dev,
1055 "add relay: VSI %d not found\n", vsi_seid);
1056 goto command_write_done;
1059 for (i = 0; i < I40E_MAX_VEB; i++)
1060 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1062 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1063 uplink_seid != pf->mac_seid) {
1064 dev_info(&pf->pdev->dev,
1065 "add relay: relay uplink %d not found\n",
1067 goto command_write_done;
1070 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1071 vsi->tc_config.enabled_tc);
1073 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1075 dev_info(&pf->pdev->dev, "add relay failed\n");
1077 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1079 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1081 dev_info(&pf->pdev->dev,
1082 "del relay: bad command string, cnt=%d\n",
1084 goto command_write_done;
1085 } else if (veb_seid < 0) {
1086 dev_info(&pf->pdev->dev,
1087 "del relay %d: bad relay seid\n", veb_seid);
1088 goto command_write_done;
1092 for (i = 0; i < I40E_MAX_VEB; i++)
1093 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1095 if (i >= I40E_MAX_VEB) {
1096 dev_info(&pf->pdev->dev,
1097 "del relay: relay %d not found\n", veb_seid);
1098 goto command_write_done;
1101 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1102 i40e_veb_release(pf->veb[i]);
1104 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
1105 struct i40e_mac_filter *f;
1110 cnt = sscanf(&cmd_buf[11],
1111 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1113 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1117 } else if (cnt != 8) {
1118 dev_info(&pf->pdev->dev,
1119 "add macaddr: bad command string, cnt=%d\n",
1121 goto command_write_done;
1124 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1126 dev_info(&pf->pdev->dev,
1127 "add macaddr: VSI %d not found\n", vsi_seid);
1128 goto command_write_done;
1131 f = i40e_add_filter(vsi, ma, vlan, false, false);
1132 ret = i40e_sync_vsi_filters(vsi);
1134 dev_info(&pf->pdev->dev,
1135 "add macaddr: %pM vlan=%d added to VSI %d\n",
1136 ma, vlan, vsi_seid);
1138 dev_info(&pf->pdev->dev,
1139 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1140 ma, vlan, vsi_seid, f, ret);
1142 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
1147 cnt = sscanf(&cmd_buf[11],
1148 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1150 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1154 } else if (cnt != 8) {
1155 dev_info(&pf->pdev->dev,
1156 "del macaddr: bad command string, cnt=%d\n",
1158 goto command_write_done;
1161 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1163 dev_info(&pf->pdev->dev,
1164 "del macaddr: VSI %d not found\n", vsi_seid);
1165 goto command_write_done;
1168 i40e_del_filter(vsi, ma, vlan, false, false);
1169 ret = i40e_sync_vsi_filters(vsi);
1171 dev_info(&pf->pdev->dev,
1172 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1173 ma, vlan, vsi_seid);
1175 dev_info(&pf->pdev->dev,
1176 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1177 ma, vlan, vsi_seid, ret);
1179 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
1184 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1186 dev_info(&pf->pdev->dev,
1187 "add pvid: bad command string, cnt=%d\n", cnt);
1188 goto command_write_done;
1191 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1193 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1195 goto command_write_done;
1199 ret = i40e_vsi_add_pvid(vsi, vid);
1201 dev_info(&pf->pdev->dev,
1202 "add pvid: %d added to VSI %d\n",
1205 dev_info(&pf->pdev->dev,
1206 "add pvid: %d to VSI %d failed, ret=%d\n",
1207 vid, vsi_seid, ret);
1209 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1211 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1213 dev_info(&pf->pdev->dev,
1214 "del pvid: bad command string, cnt=%d\n",
1216 goto command_write_done;
1219 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1221 dev_info(&pf->pdev->dev,
1222 "del pvid: VSI %d not found\n", vsi_seid);
1223 goto command_write_done;
1226 i40e_vsi_remove_pvid(vsi);
1227 dev_info(&pf->pdev->dev,
1228 "del pvid: removed from VSI %d\n", vsi_seid);
1230 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1231 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1232 i40e_fetch_switch_configuration(pf, true);
1233 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1234 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1236 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1238 i40e_dbg_dump_vsi_no_seid(pf);
1239 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1240 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1242 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1244 i40e_dbg_dump_veb_all(pf);
1245 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1246 int ring_id, desc_n;
1247 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1248 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1249 &vsi_seid, &ring_id, &desc_n);
1250 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1252 } else if (strncmp(&cmd_buf[10], "tx", 2)
1254 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1255 &vsi_seid, &ring_id, &desc_n);
1256 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1258 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1259 i40e_dbg_dump_aq_desc(pf);
1261 dev_info(&pf->pdev->dev,
1262 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1263 dev_info(&pf->pdev->dev,
1264 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1265 dev_info(&pf->pdev->dev, "dump desc aq\n");
1267 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1268 dev_info(&pf->pdev->dev,
1269 "core reset count: %d\n", pf->corer_count);
1270 dev_info(&pf->pdev->dev,
1271 "global reset count: %d\n", pf->globr_count);
1272 dev_info(&pf->pdev->dev,
1273 "emp reset count: %d\n", pf->empr_count);
1274 dev_info(&pf->pdev->dev,
1275 "pf reset count: %d\n", pf->pfr_count);
1276 dev_info(&pf->pdev->dev,
1277 "pf tx sluggish count: %d\n",
1278 pf->tx_sluggish_count);
1279 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1280 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1281 struct i40e_dcbx_config *cfg =
1282 &pf->hw.local_dcbx_config;
1283 struct i40e_dcbx_config *r_cfg =
1284 &pf->hw.remote_dcbx_config;
1287 bw_data = kzalloc(sizeof(
1288 struct i40e_aqc_query_port_ets_config_resp),
1292 goto command_write_done;
1295 ret = i40e_aq_query_port_ets_config(&pf->hw,
1299 dev_info(&pf->pdev->dev,
1300 "Query Port ETS Config AQ command failed =0x%x\n",
1301 pf->hw.aq.asq_last_status);
1304 goto command_write_done;
1306 dev_info(&pf->pdev->dev,
1307 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1308 bw_data->tc_valid_bits,
1309 bw_data->tc_strict_priority_bits,
1310 le16_to_cpu(bw_data->tc_bw_max[0]),
1311 le16_to_cpu(bw_data->tc_bw_max[1]));
1312 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1313 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1314 bw_data->tc_bw_share_credits[i],
1315 le16_to_cpu(bw_data->tc_bw_limits[i]));
1321 dev_info(&pf->pdev->dev,
1322 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1323 dev_info(&pf->pdev->dev,
1324 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1325 cfg->etscfg.willing, cfg->etscfg.cbs,
1326 cfg->etscfg.maxtcs);
1327 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1328 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1329 i, cfg->etscfg.prioritytable[i],
1330 cfg->etscfg.tcbwtable[i],
1331 cfg->etscfg.tsatable[i]);
1333 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1334 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1335 i, cfg->etsrec.prioritytable[i],
1336 cfg->etsrec.tcbwtable[i],
1337 cfg->etsrec.tsatable[i]);
1339 dev_info(&pf->pdev->dev,
1340 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1341 cfg->pfc.willing, cfg->pfc.mbc,
1342 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1343 dev_info(&pf->pdev->dev,
1344 "port app_table: num_apps=%d\n", cfg->numapps);
1345 for (i = 0; i < cfg->numapps; i++) {
1346 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1347 i, cfg->app[i].priority,
1348 cfg->app[i].selector,
1349 cfg->app[i].protocolid);
1351 /* Peer TLV DCBX data */
1352 dev_info(&pf->pdev->dev,
1353 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1354 r_cfg->etscfg.willing,
1355 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1356 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1357 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1358 i, r_cfg->etscfg.prioritytable[i],
1359 r_cfg->etscfg.tcbwtable[i],
1360 r_cfg->etscfg.tsatable[i]);
1362 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1363 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1364 i, r_cfg->etsrec.prioritytable[i],
1365 r_cfg->etsrec.tcbwtable[i],
1366 r_cfg->etsrec.tsatable[i]);
1368 dev_info(&pf->pdev->dev,
1369 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1373 r_cfg->pfc.pfcenable);
1374 dev_info(&pf->pdev->dev,
1375 "remote port app_table: num_apps=%d\n",
1377 for (i = 0; i < r_cfg->numapps; i++) {
1378 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1379 i, r_cfg->app[i].priority,
1380 r_cfg->app[i].selector,
1381 r_cfg->app[i].protocolid);
1384 dev_info(&pf->pdev->dev,
1385 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1386 dev_info(&pf->pdev->dev, "dump switch\n");
1387 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1388 dev_info(&pf->pdev->dev, "dump reset stats\n");
1389 dev_info(&pf->pdev->dev, "dump port\n");
1390 dev_info(&pf->pdev->dev,
1391 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1394 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1396 cnt = sscanf(&cmd_buf[10], "%i", &level);
1398 if (I40E_DEBUG_USER & level) {
1399 pf->hw.debug_mask = level;
1400 dev_info(&pf->pdev->dev,
1401 "set hw.debug_mask = 0x%08x\n",
1404 pf->msg_enable = level;
1405 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1408 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1411 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1412 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1413 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
1415 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1416 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1417 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED));
1419 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1420 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1421 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
1423 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1424 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1425 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED));
1427 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1430 cnt = sscanf(&cmd_buf[4], "%i", &address);
1432 dev_info(&pf->pdev->dev, "read <reg>\n");
1433 goto command_write_done;
1436 /* check the range on address */
1437 if (address >= I40E_MAX_REGISTER) {
1438 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1440 goto command_write_done;
1443 value = rd32(&pf->hw, address);
1444 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1447 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1449 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1451 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1452 goto command_write_done;
1455 /* check the range on address */
1456 if (address >= I40E_MAX_REGISTER) {
1457 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1459 goto command_write_done;
1461 wr32(&pf->hw, address, value);
1462 value = rd32(&pf->hw, address);
1463 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1465 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1466 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1467 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1470 for (i = 0; i < pf->num_alloc_vsi; i++)
1471 i40e_vsi_reset_stats(pf->vsi[i]);
1472 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1473 } else if (cnt == 1) {
1474 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1476 dev_info(&pf->pdev->dev,
1477 "clear_stats vsi: bad vsi %d\n",
1479 goto command_write_done;
1481 i40e_vsi_reset_stats(vsi);
1482 dev_info(&pf->pdev->dev,
1483 "vsi clear stats called for vsi %d\n",
1486 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1488 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) {
1489 i40e_pf_reset_stats(pf);
1490 dev_info(&pf->pdev->dev, "pf clear stats called\n");
1492 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
1494 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1495 struct i40e_aq_desc *desc;
1498 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1500 goto command_write_done;
1501 cnt = sscanf(&cmd_buf[11],
1502 "%hi %hi %hi %hi %i %i %i %i %i %i",
1504 &desc->opcode, &desc->datalen, &desc->retval,
1505 &desc->cookie_high, &desc->cookie_low,
1506 &desc->params.internal.param0,
1507 &desc->params.internal.param1,
1508 &desc->params.internal.param2,
1509 &desc->params.internal.param3);
1511 dev_info(&pf->pdev->dev,
1512 "send aq_cmd: bad command string, cnt=%d\n",
1516 goto command_write_done;
1518 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1520 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1521 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1522 dev_info(&pf->pdev->dev,
1523 "AQ command send failed Opcode %x AQ Error: %d\n",
1524 desc->opcode, pf->hw.aq.asq_last_status);
1526 dev_info(&pf->pdev->dev,
1527 "AQ command send failed Opcode %x Status: %d\n",
1530 dev_info(&pf->pdev->dev,
1531 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1532 desc->flags, desc->opcode, desc->datalen, desc->retval,
1533 desc->cookie_high, desc->cookie_low,
1534 desc->params.internal.param0,
1535 desc->params.internal.param1,
1536 desc->params.internal.param2,
1537 desc->params.internal.param3);
1540 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1541 struct i40e_aq_desc *desc;
1546 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1548 goto command_write_done;
1549 cnt = sscanf(&cmd_buf[20],
1550 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1552 &desc->opcode, &desc->datalen, &desc->retval,
1553 &desc->cookie_high, &desc->cookie_low,
1554 &desc->params.internal.param0,
1555 &desc->params.internal.param1,
1556 &desc->params.internal.param2,
1557 &desc->params.internal.param3,
1560 dev_info(&pf->pdev->dev,
1561 "send indirect aq_cmd: bad command string, cnt=%d\n",
1565 goto command_write_done;
1567 /* Just stub a buffer big enough in case user messed up */
1568 if (buffer_len == 0)
1571 buff = kzalloc(buffer_len, GFP_KERNEL);
1575 goto command_write_done;
1577 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1578 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1581 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1582 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1583 dev_info(&pf->pdev->dev,
1584 "AQ command send failed Opcode %x AQ Error: %d\n",
1585 desc->opcode, pf->hw.aq.asq_last_status);
1587 dev_info(&pf->pdev->dev,
1588 "AQ command send failed Opcode %x Status: %d\n",
1591 dev_info(&pf->pdev->dev,
1592 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1593 desc->flags, desc->opcode, desc->datalen, desc->retval,
1594 desc->cookie_high, desc->cookie_low,
1595 desc->params.internal.param0,
1596 desc->params.internal.param1,
1597 desc->params.internal.param2,
1598 desc->params.internal.param3);
1599 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1600 DUMP_PREFIX_OFFSET, 16, 1,
1601 buff, buffer_len, true);
1606 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1607 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1608 struct i40e_fdir_filter fd_data;
1609 u16 packet_len, i, j = 0;
1615 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1616 goto command_write_done;
1618 if (strncmp(cmd_buf, "add", 3) == 0)
1621 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1622 goto command_write_done;
1624 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1627 goto command_write_done;
1629 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1635 goto command_write_done;
1638 cnt = sscanf(&cmd_buf[13],
1639 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1641 &fd_data.flex_off, &fd_data.pctype,
1642 &fd_data.dest_vsi, &fd_data.dest_ctl,
1643 &fd_data.fd_status, &fd_data.cnt_index,
1644 &fd_data.fd_id, &packet_len, asc_packet);
1646 dev_info(&pf->pdev->dev,
1647 "program fd_filter: bad command string, cnt=%d\n",
1652 goto command_write_done;
1655 /* fix packet length if user entered 0 */
1656 if (packet_len == 0)
1657 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1659 /* make sure to check the max as well */
1660 packet_len = min_t(u16,
1661 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1663 for (i = 0; i < packet_len; i++) {
1664 sscanf(&asc_packet[j], "%2hhx ",
1668 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1669 print_hex_dump(KERN_INFO, "FD raw packet: ",
1670 DUMP_PREFIX_OFFSET, 16, 1,
1671 raw_packet, packet_len, true);
1672 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1674 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1676 dev_info(&pf->pdev->dev,
1677 "Filter command send failed %d\n", ret);
1683 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) {
1684 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false);
1685 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) {
1686 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true);
1687 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1688 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1689 i40e_get_current_fd_count(pf));
1690 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1691 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1693 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1695 dev_info(&pf->pdev->dev,
1696 "Stop LLDP AQ command failed =0x%x\n",
1697 pf->hw.aq.asq_last_status);
1698 goto command_write_done;
1700 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1703 pf->vsi[pf->lan_vsi]->seid,
1704 0, true, NULL, NULL);
1706 dev_info(&pf->pdev->dev,
1707 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1708 __func__, pf->hw.aq.asq_last_status);
1709 goto command_write_done;
1711 #ifdef CONFIG_I40E_DCB
1712 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1713 DCB_CAP_DCBX_VER_IEEE;
1714 #endif /* CONFIG_I40E_DCB */
1715 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1717 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1720 pf->vsi[pf->lan_vsi]->seid,
1721 0, false, NULL, NULL);
1723 dev_info(&pf->pdev->dev,
1724 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1725 __func__, pf->hw.aq.asq_last_status);
1726 /* Continue and start FW LLDP anyways */
1729 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1731 dev_info(&pf->pdev->dev,
1732 "Start LLDP AQ command failed =0x%x\n",
1733 pf->hw.aq.asq_last_status);
1734 goto command_write_done;
1736 #ifdef CONFIG_I40E_DCB
1737 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1738 DCB_CAP_DCBX_VER_IEEE;
1739 #endif /* CONFIG_I40E_DCB */
1740 } else if (strncmp(&cmd_buf[5],
1741 "get local", 9) == 0) {
1745 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1747 goto command_write_done;
1749 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1750 I40E_AQ_LLDP_MIB_LOCAL,
1751 buff, I40E_LLDPDU_SIZE,
1752 &llen, &rlen, NULL);
1754 dev_info(&pf->pdev->dev,
1755 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1756 pf->hw.aq.asq_last_status);
1759 goto command_write_done;
1761 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1762 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1763 DUMP_PREFIX_OFFSET, 16, 1,
1764 buff, I40E_LLDPDU_SIZE, true);
1767 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1771 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1773 goto command_write_done;
1775 ret = i40e_aq_get_lldp_mib(&pf->hw,
1776 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1777 I40E_AQ_LLDP_MIB_REMOTE,
1778 buff, I40E_LLDPDU_SIZE,
1779 &llen, &rlen, NULL);
1781 dev_info(&pf->pdev->dev,
1782 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1783 pf->hw.aq.asq_last_status);
1786 goto command_write_done;
1788 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1789 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1790 DUMP_PREFIX_OFFSET, 16, 1,
1791 buff, I40E_LLDPDU_SIZE, true);
1794 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1796 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1799 dev_info(&pf->pdev->dev,
1800 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1801 pf->hw.aq.asq_last_status);
1802 goto command_write_done;
1804 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1806 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1809 dev_info(&pf->pdev->dev,
1810 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1811 pf->hw.aq.asq_last_status);
1812 goto command_write_done;
1815 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1816 u16 buffer_len, bytes;
1822 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1823 &module, &offset, &buffer_len);
1828 } else if (cnt == 1) {
1831 } else if (cnt == 2) {
1833 } else if (cnt > 3) {
1834 dev_info(&pf->pdev->dev,
1835 "nvm read: bad command string, cnt=%d\n", cnt);
1836 goto command_write_done;
1839 /* set the max length */
1840 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1842 bytes = 2 * buffer_len;
1844 /* read at least 1k bytes, no more than 4kB */
1845 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1846 buff = kzalloc(bytes, GFP_KERNEL);
1848 goto command_write_done;
1850 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1852 dev_info(&pf->pdev->dev,
1853 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1854 ret, pf->hw.aq.asq_last_status);
1856 goto command_write_done;
1859 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1860 bytes, (u8 *)buff, true, NULL);
1861 i40e_release_nvm(&pf->hw);
1863 dev_info(&pf->pdev->dev,
1864 "Read NVM AQ failed err=%d status=0x%x\n",
1865 ret, pf->hw.aq.asq_last_status);
1867 dev_info(&pf->pdev->dev,
1868 "Read NVM module=0x%x offset=0x%x words=%d\n",
1869 module, offset, buffer_len);
1871 print_hex_dump(KERN_INFO, "NVM Dump: ",
1872 DUMP_PREFIX_OFFSET, 16, 2,
1878 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1879 dev_info(&pf->pdev->dev, "available commands\n");
1880 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1881 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1882 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1883 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1884 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1885 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1886 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1887 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1888 dev_info(&pf->pdev->dev, " dump switch\n");
1889 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1890 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1891 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1892 dev_info(&pf->pdev->dev, " dump desc aq\n");
1893 dev_info(&pf->pdev->dev, " dump reset stats\n");
1894 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1895 dev_info(&pf->pdev->dev, " read <reg>\n");
1896 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1897 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1898 dev_info(&pf->pdev->dev, " clear_stats pf\n");
1899 dev_info(&pf->pdev->dev, " pfr\n");
1900 dev_info(&pf->pdev->dev, " corer\n");
1901 dev_info(&pf->pdev->dev, " globr\n");
1902 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1903 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1904 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");
1905 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");
1906 dev_info(&pf->pdev->dev, " fd-atr off\n");
1907 dev_info(&pf->pdev->dev, " fd-atr on\n");
1908 dev_info(&pf->pdev->dev, " fd current cnt");
1909 dev_info(&pf->pdev->dev, " lldp start\n");
1910 dev_info(&pf->pdev->dev, " lldp stop\n");
1911 dev_info(&pf->pdev->dev, " lldp get local\n");
1912 dev_info(&pf->pdev->dev, " lldp get remote\n");
1913 dev_info(&pf->pdev->dev, " lldp event on\n");
1914 dev_info(&pf->pdev->dev, " lldp event off\n");
1915 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1924 static const struct file_operations i40e_dbg_command_fops = {
1925 .owner = THIS_MODULE,
1926 .open = simple_open,
1927 .read = i40e_dbg_command_read,
1928 .write = i40e_dbg_command_write,
1931 /**************************************************************
1933 * The netdev_ops entry in debugfs is for giving the driver commands
1934 * to be executed from the netdev operations.
1935 **************************************************************/
1936 static char i40e_dbg_netdev_ops_buf[256] = "hello world";
1939 * i40e_dbg_netdev_ops - read for netdev_ops datum
1940 * @filp: the opened file
1941 * @buffer: where to write the data for the user to read
1942 * @count: the size of the user's buffer
1943 * @ppos: file position offset
1945 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1946 size_t count, loff_t *ppos)
1948 struct i40e_pf *pf = filp->private_data;
1949 int bytes_not_copied;
1954 /* don't allow partal reads */
1957 if (count < buf_size)
1960 buf = kzalloc(buf_size, GFP_KERNEL);
1964 len = snprintf(buf, buf_size, "%s: %s\n",
1965 pf->vsi[pf->lan_vsi]->netdev->name,
1966 i40e_dbg_netdev_ops_buf);
1968 bytes_not_copied = copy_to_user(buffer, buf, len);
1971 if (bytes_not_copied < 0)
1972 return bytes_not_copied;
1979 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1980 * @filp: the opened file
1981 * @buffer: where to find the user's data
1982 * @count: the length of the user's data
1983 * @ppos: file position offset
1985 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1986 const char __user *buffer,
1987 size_t count, loff_t *ppos)
1989 struct i40e_pf *pf = filp->private_data;
1990 int bytes_not_copied;
1991 struct i40e_vsi *vsi;
1996 /* don't allow partial writes */
1999 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2002 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2003 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2005 if (bytes_not_copied < 0)
2006 return bytes_not_copied;
2007 else if (bytes_not_copied > 0)
2008 count -= bytes_not_copied;
2009 i40e_dbg_netdev_ops_buf[count] = '\0';
2011 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2014 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2017 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2018 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2020 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2021 goto netdev_ops_write_done;
2023 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2025 dev_info(&pf->pdev->dev,
2026 "tx_timeout: VSI %d not found\n", vsi_seid);
2027 } else if (!vsi->netdev) {
2028 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2030 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2031 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2033 } else if (rtnl_trylock()) {
2034 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2036 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2038 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2040 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2042 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2045 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2046 goto netdev_ops_write_done;
2048 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2050 dev_info(&pf->pdev->dev,
2051 "change_mtu: VSI %d not found\n", vsi_seid);
2052 } else if (!vsi->netdev) {
2053 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2055 } else if (rtnl_trylock()) {
2056 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2059 dev_info(&pf->pdev->dev, "change_mtu called\n");
2061 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2064 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2065 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2067 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2068 goto netdev_ops_write_done;
2070 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2072 dev_info(&pf->pdev->dev,
2073 "set_rx_mode: VSI %d not found\n", vsi_seid);
2074 } else if (!vsi->netdev) {
2075 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2077 } else if (rtnl_trylock()) {
2078 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2080 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2082 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2085 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2086 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2088 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2089 goto netdev_ops_write_done;
2091 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2093 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2095 } else if (!vsi->netdev) {
2096 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2099 for (i = 0; i < vsi->num_q_vectors; i++)
2100 napi_schedule(&vsi->q_vectors[i]->napi);
2101 dev_info(&pf->pdev->dev, "napi called\n");
2104 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2105 i40e_dbg_netdev_ops_buf);
2106 dev_info(&pf->pdev->dev, "available commands\n");
2107 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2108 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2109 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2110 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2112 netdev_ops_write_done:
2116 static const struct file_operations i40e_dbg_netdev_ops_fops = {
2117 .owner = THIS_MODULE,
2118 .open = simple_open,
2119 .read = i40e_dbg_netdev_ops_read,
2120 .write = i40e_dbg_netdev_ops_write,
2124 * i40e_dbg_pf_init - setup the debugfs directory for the pf
2125 * @pf: the pf that is starting up
2127 void i40e_dbg_pf_init(struct i40e_pf *pf)
2129 struct dentry *pfile;
2130 const char *name = pci_name(pf->pdev);
2131 const struct device *dev = &pf->pdev->dev;
2133 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
2134 if (!pf->i40e_dbg_pf)
2137 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2138 &i40e_dbg_command_fops);
2142 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2143 &i40e_dbg_dump_fops);
2147 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2148 &i40e_dbg_netdev_ops_fops);
2155 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2156 debugfs_remove_recursive(pf->i40e_dbg_pf);
2161 * i40e_dbg_pf_exit - clear out the pf's debugfs entries
2162 * @pf: the pf that is stopping
2164 void i40e_dbg_pf_exit(struct i40e_pf *pf)
2166 debugfs_remove_recursive(pf->i40e_dbg_pf);
2167 pf->i40e_dbg_pf = NULL;
2169 kfree(i40e_dbg_dump_buf);
2170 i40e_dbg_dump_buf = NULL;
2174 * i40e_dbg_init - start up debugfs for the driver
2176 void i40e_dbg_init(void)
2178 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2180 pr_info("init of debugfs failed\n");
2184 * i40e_dbg_exit - clean out the driver's debugfs entries
2186 void i40e_dbg_exit(void)
2188 debugfs_remove_recursive(i40e_dbg_root);
2189 i40e_dbg_root = NULL;
2192 #endif /* CONFIG_DEBUG_FS */