1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 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 for (i = 0; i < I40E_MAX_VEB; i++)
65 if (pf->veb[i] && pf->veb[i]->seid == seid)
70 /**************************************************************
72 * The command entry in debugfs is for giving the driver commands
73 * to be executed - these may be for changing the internal switch
74 * setup, adding or removing filters, or other things. Many of
75 * these will be useful for some forms of unit testing.
76 **************************************************************/
77 static char i40e_dbg_command_buf[256] = "";
80 * i40e_dbg_command_read - read for command datum
81 * @filp: the opened file
82 * @buffer: where to write the data for the user to read
83 * @count: the size of the user's buffer
84 * @ppos: file position offset
86 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
87 size_t count, loff_t *ppos)
89 struct i40e_pf *pf = filp->private_data;
95 /* don't allow partial reads */
101 buf = kzalloc(buf_size, GFP_KERNEL);
105 len = snprintf(buf, buf_size, "%s: %s\n",
106 pf->vsi[pf->lan_vsi]->netdev->name,
107 i40e_dbg_command_buf);
109 bytes_not_copied = copy_to_user(buffer, buf, len);
112 if (bytes_not_copied)
119 static char *i40e_filter_state_string[] = {
128 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
129 * @pf: the i40e_pf created in command write
130 * @seid: the seid the user put in
132 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
134 struct rtnl_link_stats64 *nstat;
135 struct i40e_mac_filter *f;
136 struct i40e_vsi *vsi;
139 vsi = i40e_dbg_find_vsi(pf, seid);
141 dev_info(&pf->pdev->dev,
142 "dump %d: seid not found\n", seid);
145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
147 struct net_device *nd = vsi->netdev;
149 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
150 nd->name, nd->state, nd->flags);
151 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
152 (unsigned long int)nd->features);
153 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
154 (unsigned long int)nd->hw_features);
155 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
156 (unsigned long int)nd->vlan_features);
158 dev_info(&pf->pdev->dev,
159 " vlgrp: & = %p\n", vsi->active_vlans);
160 dev_info(&pf->pdev->dev,
161 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
162 vsi->state, vsi->flags,
163 vsi->netdev_registered, vsi->current_netdev_flags);
164 if (vsi == pf->vsi[pf->lan_vsi])
165 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
168 pf->hw.mac.port_addr);
169 list_for_each_entry(f, &vsi->mac_filter_list, list) {
170 dev_info(&pf->pdev->dev,
171 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d, state %s\n",
172 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
173 f->counter, i40e_filter_state_string[f->state]);
175 dev_info(&pf->pdev->dev, " active_filters %d, promisc_threshold %d, overflow promisc %s\n",
176 vsi->active_filters, vsi->promisc_threshold,
177 (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ?
179 nstat = i40e_get_vsi_stats_struct(vsi);
180 dev_info(&pf->pdev->dev,
181 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
182 (unsigned long int)nstat->rx_packets,
183 (unsigned long int)nstat->rx_bytes,
184 (unsigned long int)nstat->rx_errors,
185 (unsigned long int)nstat->rx_dropped);
186 dev_info(&pf->pdev->dev,
187 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
188 (unsigned long int)nstat->tx_packets,
189 (unsigned long int)nstat->tx_bytes,
190 (unsigned long int)nstat->tx_errors,
191 (unsigned long int)nstat->tx_dropped);
192 dev_info(&pf->pdev->dev,
193 " net_stats: multicast = %lu, collisions = %lu\n",
194 (unsigned long int)nstat->multicast,
195 (unsigned long int)nstat->collisions);
196 dev_info(&pf->pdev->dev,
197 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
198 (unsigned long int)nstat->rx_length_errors,
199 (unsigned long int)nstat->rx_over_errors,
200 (unsigned long int)nstat->rx_crc_errors);
201 dev_info(&pf->pdev->dev,
202 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
203 (unsigned long int)nstat->rx_frame_errors,
204 (unsigned long int)nstat->rx_fifo_errors,
205 (unsigned long int)nstat->rx_missed_errors);
206 dev_info(&pf->pdev->dev,
207 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
208 (unsigned long int)nstat->tx_aborted_errors,
209 (unsigned long int)nstat->tx_carrier_errors,
210 (unsigned long int)nstat->tx_fifo_errors);
211 dev_info(&pf->pdev->dev,
212 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
213 (unsigned long int)nstat->tx_heartbeat_errors,
214 (unsigned long int)nstat->tx_window_errors);
215 dev_info(&pf->pdev->dev,
216 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
217 (unsigned long int)nstat->rx_compressed,
218 (unsigned long int)nstat->tx_compressed);
219 dev_info(&pf->pdev->dev,
220 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
221 (unsigned long int)vsi->net_stats_offsets.rx_packets,
222 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
223 (unsigned long int)vsi->net_stats_offsets.rx_errors,
224 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
225 dev_info(&pf->pdev->dev,
226 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
227 (unsigned long int)vsi->net_stats_offsets.tx_packets,
228 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
229 (unsigned long int)vsi->net_stats_offsets.tx_errors,
230 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
231 dev_info(&pf->pdev->dev,
232 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
233 (unsigned long int)vsi->net_stats_offsets.multicast,
234 (unsigned long int)vsi->net_stats_offsets.collisions);
235 dev_info(&pf->pdev->dev,
236 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
237 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
238 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
239 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
240 dev_info(&pf->pdev->dev,
241 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
242 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
243 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
244 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
245 dev_info(&pf->pdev->dev,
246 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
247 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
248 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
249 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
250 dev_info(&pf->pdev->dev,
251 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
252 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
253 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
254 dev_info(&pf->pdev->dev,
255 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
256 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
257 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
258 dev_info(&pf->pdev->dev,
259 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
260 vsi->tx_restart, vsi->tx_busy,
261 vsi->rx_buf_failed, vsi->rx_page_failed);
263 for (i = 0; i < vsi->num_queue_pairs; i++) {
264 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
269 dev_info(&pf->pdev->dev,
270 " rx_rings[%i]: desc = %p\n",
272 dev_info(&pf->pdev->dev,
273 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
277 dev_info(&pf->pdev->dev,
278 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
280 rx_ring->queue_index,
282 dev_info(&pf->pdev->dev,
283 " rx_rings[%i]: rx_buf_len = %d\n",
284 i, rx_ring->rx_buf_len);
285 dev_info(&pf->pdev->dev,
286 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
288 rx_ring->next_to_use,
289 rx_ring->next_to_clean,
290 rx_ring->ring_active);
291 dev_info(&pf->pdev->dev,
292 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
293 i, rx_ring->stats.packets,
294 rx_ring->stats.bytes,
295 rx_ring->rx_stats.non_eop_descs);
296 dev_info(&pf->pdev->dev,
297 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
299 rx_ring->rx_stats.alloc_page_failed,
300 rx_ring->rx_stats.alloc_buff_failed);
301 dev_info(&pf->pdev->dev,
302 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
304 rx_ring->rx_stats.realloc_count,
305 rx_ring->rx_stats.page_reuse_count);
306 dev_info(&pf->pdev->dev,
307 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
309 (unsigned long int)rx_ring->dma);
310 dev_info(&pf->pdev->dev,
311 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
314 dev_info(&pf->pdev->dev,
315 " rx_rings[%i]: rx_itr_setting = %d (%s)\n",
316 i, rx_ring->rx_itr_setting,
317 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
319 for (i = 0; i < vsi->num_queue_pairs; i++) {
320 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
325 dev_info(&pf->pdev->dev,
326 " tx_rings[%i]: desc = %p\n",
328 dev_info(&pf->pdev->dev,
329 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
333 dev_info(&pf->pdev->dev,
334 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
336 tx_ring->queue_index,
338 dev_info(&pf->pdev->dev,
339 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
341 tx_ring->next_to_use,
342 tx_ring->next_to_clean,
343 tx_ring->ring_active);
344 dev_info(&pf->pdev->dev,
345 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
346 i, tx_ring->stats.packets,
347 tx_ring->stats.bytes,
348 tx_ring->tx_stats.restart_queue);
349 dev_info(&pf->pdev->dev,
350 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
352 tx_ring->tx_stats.tx_busy,
353 tx_ring->tx_stats.tx_done_old);
354 dev_info(&pf->pdev->dev,
355 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
357 (unsigned long int)tx_ring->dma);
358 dev_info(&pf->pdev->dev,
359 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
362 dev_info(&pf->pdev->dev,
363 " tx_rings[%i]: DCB tc = %d\n",
365 dev_info(&pf->pdev->dev,
366 " tx_rings[%i]: tx_itr_setting = %d (%s)\n",
367 i, tx_ring->tx_itr_setting,
368 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
371 dev_info(&pf->pdev->dev,
372 " work_limit = %d\n",
374 dev_info(&pf->pdev->dev,
375 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
376 vsi->max_frame, vsi->rx_buf_len, 0);
377 dev_info(&pf->pdev->dev,
378 " num_q_vectors = %i, base_vector = %i\n",
379 vsi->num_q_vectors, vsi->base_vector);
380 dev_info(&pf->pdev->dev,
381 " seid = %d, id = %d, uplink_seid = %d\n",
382 vsi->seid, vsi->id, vsi->uplink_seid);
383 dev_info(&pf->pdev->dev,
384 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
385 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
387 dev_info(&pf->pdev->dev,
388 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
389 vsi->info.valid_sections, vsi->info.switch_id);
390 dev_info(&pf->pdev->dev,
391 " info: sw_reserved[] = 0x%02x 0x%02x\n",
392 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
393 dev_info(&pf->pdev->dev,
394 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
395 vsi->info.sec_flags, vsi->info.sec_reserved);
396 dev_info(&pf->pdev->dev,
397 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
398 vsi->info.pvid, vsi->info.fcoe_pvid,
399 vsi->info.port_vlan_flags);
400 dev_info(&pf->pdev->dev,
401 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
402 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
403 vsi->info.pvlan_reserved[2]);
404 dev_info(&pf->pdev->dev,
405 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
406 vsi->info.ingress_table, vsi->info.egress_table);
407 dev_info(&pf->pdev->dev,
408 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
409 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
410 vsi->info.cas_pv_reserved);
411 dev_info(&pf->pdev->dev,
412 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
413 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
414 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
415 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
416 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
417 dev_info(&pf->pdev->dev,
418 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
419 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
420 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
421 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
422 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
423 dev_info(&pf->pdev->dev,
424 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
425 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
426 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
427 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
428 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
429 dev_info(&pf->pdev->dev,
430 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
431 vsi->info.queueing_opt_flags,
432 vsi->info.queueing_opt_reserved[0],
433 vsi->info.queueing_opt_reserved[1],
434 vsi->info.queueing_opt_reserved[2]);
435 dev_info(&pf->pdev->dev,
436 " info: up_enable_bits = 0x%02x\n",
437 vsi->info.up_enable_bits);
438 dev_info(&pf->pdev->dev,
439 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
440 vsi->info.sched_reserved, vsi->info.outer_up_table);
441 dev_info(&pf->pdev->dev,
442 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
443 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
444 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
445 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
446 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
447 dev_info(&pf->pdev->dev,
448 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
449 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
450 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
451 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
452 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
453 dev_info(&pf->pdev->dev,
454 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
455 vsi->info.stat_counter_idx, vsi->info.sched_id);
456 dev_info(&pf->pdev->dev,
457 " 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",
458 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
459 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
460 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
461 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
462 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
463 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
465 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
466 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
467 dev_info(&pf->pdev->dev,
468 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
469 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
470 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
471 dev_info(&pf->pdev->dev,
472 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
473 i, vsi->tc_config.tc_info[i].qoffset,
474 vsi->tc_config.tc_info[i].qcount,
475 vsi->tc_config.tc_info[i].netdev_tc);
477 dev_info(&pf->pdev->dev,
478 " bw: bw_limit = %d, bw_max_quanta = %d\n",
479 vsi->bw_limit, vsi->bw_max_quanta);
480 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
481 dev_info(&pf->pdev->dev,
482 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
483 i, vsi->bw_ets_share_credits[i],
484 vsi->bw_ets_limit_credits[i],
485 vsi->bw_ets_max_quanta[i]);
488 if (vsi->type == I40E_VSI_FCOE) {
489 dev_info(&pf->pdev->dev,
490 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
491 vsi->fcoe_stats.rx_fcoe_packets,
492 vsi->fcoe_stats.rx_fcoe_dwords,
493 vsi->fcoe_stats.rx_fcoe_dropped);
494 dev_info(&pf->pdev->dev,
495 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
496 vsi->fcoe_stats.tx_fcoe_packets,
497 vsi->fcoe_stats.tx_fcoe_dwords);
498 dev_info(&pf->pdev->dev,
499 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
500 vsi->fcoe_stats.fcoe_bad_fccrc,
501 vsi->fcoe_stats.fcoe_last_error);
502 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
503 vsi->fcoe_stats.fcoe_ddp_count);
509 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
510 * @pf: the i40e_pf created in command write
512 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
514 struct i40e_adminq_ring *ring;
515 struct i40e_hw *hw = &pf->hw;
519 snprintf(hdr, sizeof(hdr), "%s %s: ",
520 dev_driver_string(&pf->pdev->dev),
521 dev_name(&pf->pdev->dev));
523 /* first the send (command) ring, then the receive (event) ring */
524 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
525 ring = &(hw->aq.asq);
526 for (i = 0; i < ring->count; i++) {
527 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
529 dev_info(&pf->pdev->dev,
530 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
531 i, d->flags, d->opcode, d->datalen, d->retval,
532 d->cookie_high, d->cookie_low);
533 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
534 16, 1, d->params.raw, 16, 0);
537 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
538 ring = &(hw->aq.arq);
539 for (i = 0; i < ring->count; i++) {
540 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
542 dev_info(&pf->pdev->dev,
543 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
544 i, d->flags, d->opcode, d->datalen, d->retval,
545 d->cookie_high, d->cookie_low);
546 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
547 16, 1, d->params.raw, 16, 0);
552 * i40e_dbg_dump_desc - handles dump desc write into command datum
553 * @cnt: number of arguments that the user supplied
554 * @vsi_seid: vsi id entered by user
555 * @ring_id: ring id entered by user
556 * @desc_n: descriptor number entered by user
557 * @pf: the i40e_pf created in command write
558 * @is_rx_ring: true if rx, false if tx
560 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
561 struct i40e_pf *pf, bool is_rx_ring)
563 struct i40e_tx_desc *txd;
564 union i40e_rx_desc *rxd;
565 struct i40e_ring *ring;
566 struct i40e_vsi *vsi;
569 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
571 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
574 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
575 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
578 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
579 dev_info(&pf->pdev->dev,
580 "descriptor rings have not been allocated for vsi %d\n",
585 ring = kmemdup(is_rx_ring
586 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
587 sizeof(*ring), GFP_KERNEL);
592 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
593 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
594 for (i = 0; i < ring->count; i++) {
596 txd = I40E_TX_DESC(ring, i);
597 dev_info(&pf->pdev->dev,
598 " d[%03x] = 0x%016llx 0x%016llx\n",
600 txd->cmd_type_offset_bsz);
602 rxd = I40E_RX_DESC(ring, i);
603 dev_info(&pf->pdev->dev,
604 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
605 i, rxd->read.pkt_addr,
607 rxd->read.rsvd1, rxd->read.rsvd2);
610 } else if (cnt == 3) {
611 if (desc_n >= ring->count || desc_n < 0) {
612 dev_info(&pf->pdev->dev,
613 "descriptor %d not found\n", desc_n);
617 txd = I40E_TX_DESC(ring, desc_n);
618 dev_info(&pf->pdev->dev,
619 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
620 vsi_seid, ring_id, desc_n,
621 txd->buffer_addr, txd->cmd_type_offset_bsz);
623 rxd = I40E_RX_DESC(ring, desc_n);
624 dev_info(&pf->pdev->dev,
625 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
626 vsi_seid, ring_id, desc_n,
627 rxd->read.pkt_addr, rxd->read.hdr_addr,
628 rxd->read.rsvd1, rxd->read.rsvd2);
631 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
639 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
640 * @pf: the i40e_pf created in command write
642 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
646 for (i = 0; i < pf->num_alloc_vsi; i++)
648 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
649 i, pf->vsi[i]->seid);
653 * i40e_dbg_dump_stats - handles dump stats write into command datum
654 * @pf: the i40e_pf created in command write
655 * @estats: the eth stats structure to be dumped
657 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
658 struct i40e_eth_stats *estats)
660 dev_info(&pf->pdev->dev, " ethstats:\n");
661 dev_info(&pf->pdev->dev,
662 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
663 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
664 dev_info(&pf->pdev->dev,
665 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
666 estats->rx_broadcast, estats->rx_discards);
667 dev_info(&pf->pdev->dev,
668 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
669 estats->rx_unknown_protocol, estats->tx_bytes);
670 dev_info(&pf->pdev->dev,
671 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
672 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
673 dev_info(&pf->pdev->dev,
674 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
675 estats->tx_discards, estats->tx_errors);
679 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
680 * @pf: the i40e_pf created in command write
681 * @seid: the seid the user put in
683 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
685 struct i40e_veb *veb;
687 veb = i40e_dbg_find_veb(pf, seid);
689 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
692 dev_info(&pf->pdev->dev,
693 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
694 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
696 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
697 i40e_dbg_dump_eth_stats(pf, &veb->stats);
701 * i40e_dbg_dump_veb_all - dumps all known veb's stats
702 * @pf: the i40e_pf created in command write
704 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
706 struct i40e_veb *veb;
709 for (i = 0; i < I40E_MAX_VEB; i++) {
712 i40e_dbg_dump_veb_seid(pf, veb->seid);
716 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
718 * i40e_dbg_command_write - write into command datum
719 * @filp: the opened file
720 * @buffer: where to find the user's data
721 * @count: the length of the user's data
722 * @ppos: file position offset
724 static ssize_t i40e_dbg_command_write(struct file *filp,
725 const char __user *buffer,
726 size_t count, loff_t *ppos)
728 struct i40e_pf *pf = filp->private_data;
729 char *cmd_buf, *cmd_buf_tmp;
730 int bytes_not_copied;
731 struct i40e_vsi *vsi;
736 /* don't allow partial writes */
740 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
743 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
744 if (bytes_not_copied) {
748 cmd_buf[count] = '\0';
750 cmd_buf_tmp = strchr(cmd_buf, '\n');
753 count = cmd_buf_tmp - cmd_buf + 1;
756 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
758 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
760 /* default to PF VSI */
761 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
762 } else if (vsi_seid < 0) {
763 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
765 goto command_write_done;
768 /* By default we are in VEPA mode, if this is the first VF/VMDq
769 * VSI to be added switch to VEB mode.
771 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
772 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
773 i40e_do_reset_safe(pf,
774 BIT_ULL(__I40E_PF_RESET_REQUESTED));
777 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
779 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
780 vsi->seid, vsi->uplink_seid);
782 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
784 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
785 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
787 dev_info(&pf->pdev->dev,
788 "del vsi: bad command string, cnt=%d\n",
790 goto command_write_done;
792 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
794 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
796 goto command_write_done;
799 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
800 i40e_vsi_release(vsi);
802 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
803 struct i40e_veb *veb;
806 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
808 dev_info(&pf->pdev->dev,
809 "add relay: bad command string, cnt=%d\n",
811 goto command_write_done;
812 } else if (uplink_seid < 0) {
813 dev_info(&pf->pdev->dev,
814 "add relay %d: bad uplink seid\n",
816 goto command_write_done;
819 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
821 dev_info(&pf->pdev->dev,
822 "add relay: VSI %d not found\n", vsi_seid);
823 goto command_write_done;
826 for (i = 0; i < I40E_MAX_VEB; i++)
827 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
829 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
830 uplink_seid != pf->mac_seid) {
831 dev_info(&pf->pdev->dev,
832 "add relay: relay uplink %d not found\n",
834 goto command_write_done;
837 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
838 vsi->tc_config.enabled_tc);
840 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
842 dev_info(&pf->pdev->dev, "add relay failed\n");
844 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
846 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
848 dev_info(&pf->pdev->dev,
849 "del relay: bad command string, cnt=%d\n",
851 goto command_write_done;
852 } else if (veb_seid < 0) {
853 dev_info(&pf->pdev->dev,
854 "del relay %d: bad relay seid\n", veb_seid);
855 goto command_write_done;
859 for (i = 0; i < I40E_MAX_VEB; i++)
860 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
862 if (i >= I40E_MAX_VEB) {
863 dev_info(&pf->pdev->dev,
864 "del relay: relay %d not found\n", veb_seid);
865 goto command_write_done;
868 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
869 i40e_veb_release(pf->veb[i]);
871 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
872 struct i40e_mac_filter *f;
877 cnt = sscanf(&cmd_buf[11],
878 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
880 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
884 } else if (cnt != 8) {
885 dev_info(&pf->pdev->dev,
886 "add macaddr: bad command string, cnt=%d\n",
888 goto command_write_done;
891 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
893 dev_info(&pf->pdev->dev,
894 "add macaddr: VSI %d not found\n", vsi_seid);
895 goto command_write_done;
898 spin_lock_bh(&vsi->mac_filter_list_lock);
899 f = i40e_add_filter(vsi, ma, vlan, false, false);
900 spin_unlock_bh(&vsi->mac_filter_list_lock);
901 ret = i40e_sync_vsi_filters(vsi);
903 dev_info(&pf->pdev->dev,
904 "add macaddr: %pM vlan=%d added to VSI %d\n",
907 dev_info(&pf->pdev->dev,
908 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
909 ma, vlan, vsi_seid, f, ret);
911 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
916 cnt = sscanf(&cmd_buf[11],
917 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
919 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
923 } else if (cnt != 8) {
924 dev_info(&pf->pdev->dev,
925 "del macaddr: bad command string, cnt=%d\n",
927 goto command_write_done;
930 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
932 dev_info(&pf->pdev->dev,
933 "del macaddr: VSI %d not found\n", vsi_seid);
934 goto command_write_done;
937 spin_lock_bh(&vsi->mac_filter_list_lock);
938 i40e_del_filter(vsi, ma, vlan, false, false);
939 spin_unlock_bh(&vsi->mac_filter_list_lock);
940 ret = i40e_sync_vsi_filters(vsi);
942 dev_info(&pf->pdev->dev,
943 "del macaddr: %pM vlan=%d removed from VSI %d\n",
946 dev_info(&pf->pdev->dev,
947 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
948 ma, vlan, vsi_seid, ret);
950 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
955 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
957 dev_info(&pf->pdev->dev,
958 "add pvid: bad command string, cnt=%d\n", cnt);
959 goto command_write_done;
962 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
964 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
966 goto command_write_done;
970 ret = i40e_vsi_add_pvid(vsi, vid);
972 dev_info(&pf->pdev->dev,
973 "add pvid: %d added to VSI %d\n",
976 dev_info(&pf->pdev->dev,
977 "add pvid: %d to VSI %d failed, ret=%d\n",
980 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
982 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
984 dev_info(&pf->pdev->dev,
985 "del pvid: bad command string, cnt=%d\n",
987 goto command_write_done;
990 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
992 dev_info(&pf->pdev->dev,
993 "del pvid: VSI %d not found\n", vsi_seid);
994 goto command_write_done;
997 i40e_vsi_remove_pvid(vsi);
998 dev_info(&pf->pdev->dev,
999 "del pvid: removed from VSI %d\n", vsi_seid);
1001 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1002 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1003 i40e_fetch_switch_configuration(pf, true);
1004 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1005 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1007 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1009 i40e_dbg_dump_vsi_no_seid(pf);
1010 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1011 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1013 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1015 i40e_dbg_dump_veb_all(pf);
1016 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1017 int ring_id, desc_n;
1018 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1019 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1020 &vsi_seid, &ring_id, &desc_n);
1021 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1023 } else if (strncmp(&cmd_buf[10], "tx", 2)
1025 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1026 &vsi_seid, &ring_id, &desc_n);
1027 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1029 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1030 i40e_dbg_dump_aq_desc(pf);
1032 dev_info(&pf->pdev->dev,
1033 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1034 dev_info(&pf->pdev->dev,
1035 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1036 dev_info(&pf->pdev->dev, "dump desc aq\n");
1038 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1039 dev_info(&pf->pdev->dev,
1040 "core reset count: %d\n", pf->corer_count);
1041 dev_info(&pf->pdev->dev,
1042 "global reset count: %d\n", pf->globr_count);
1043 dev_info(&pf->pdev->dev,
1044 "emp reset count: %d\n", pf->empr_count);
1045 dev_info(&pf->pdev->dev,
1046 "pf reset count: %d\n", pf->pfr_count);
1047 dev_info(&pf->pdev->dev,
1048 "pf tx sluggish count: %d\n",
1049 pf->tx_sluggish_count);
1050 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1051 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1052 struct i40e_dcbx_config *cfg =
1053 &pf->hw.local_dcbx_config;
1054 struct i40e_dcbx_config *r_cfg =
1055 &pf->hw.remote_dcbx_config;
1058 bw_data = kzalloc(sizeof(
1059 struct i40e_aqc_query_port_ets_config_resp),
1063 goto command_write_done;
1066 ret = i40e_aq_query_port_ets_config(&pf->hw,
1070 dev_info(&pf->pdev->dev,
1071 "Query Port ETS Config AQ command failed =0x%x\n",
1072 pf->hw.aq.asq_last_status);
1075 goto command_write_done;
1077 dev_info(&pf->pdev->dev,
1078 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1079 bw_data->tc_valid_bits,
1080 bw_data->tc_strict_priority_bits,
1081 le16_to_cpu(bw_data->tc_bw_max[0]),
1082 le16_to_cpu(bw_data->tc_bw_max[1]));
1083 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1084 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1085 bw_data->tc_bw_share_credits[i],
1086 le16_to_cpu(bw_data->tc_bw_limits[i]));
1092 dev_info(&pf->pdev->dev,
1093 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1094 dev_info(&pf->pdev->dev,
1095 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1096 cfg->etscfg.willing, cfg->etscfg.cbs,
1097 cfg->etscfg.maxtcs);
1098 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1099 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1100 i, cfg->etscfg.prioritytable[i],
1101 cfg->etscfg.tcbwtable[i],
1102 cfg->etscfg.tsatable[i]);
1104 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1105 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1106 i, cfg->etsrec.prioritytable[i],
1107 cfg->etsrec.tcbwtable[i],
1108 cfg->etsrec.tsatable[i]);
1110 dev_info(&pf->pdev->dev,
1111 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1112 cfg->pfc.willing, cfg->pfc.mbc,
1113 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1114 dev_info(&pf->pdev->dev,
1115 "port app_table: num_apps=%d\n", cfg->numapps);
1116 for (i = 0; i < cfg->numapps; i++) {
1117 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1118 i, cfg->app[i].priority,
1119 cfg->app[i].selector,
1120 cfg->app[i].protocolid);
1122 /* Peer TLV DCBX data */
1123 dev_info(&pf->pdev->dev,
1124 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1125 r_cfg->etscfg.willing,
1126 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1127 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1128 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1129 i, r_cfg->etscfg.prioritytable[i],
1130 r_cfg->etscfg.tcbwtable[i],
1131 r_cfg->etscfg.tsatable[i]);
1133 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1134 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1135 i, r_cfg->etsrec.prioritytable[i],
1136 r_cfg->etsrec.tcbwtable[i],
1137 r_cfg->etsrec.tsatable[i]);
1139 dev_info(&pf->pdev->dev,
1140 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1144 r_cfg->pfc.pfcenable);
1145 dev_info(&pf->pdev->dev,
1146 "remote port app_table: num_apps=%d\n",
1148 for (i = 0; i < r_cfg->numapps; i++) {
1149 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1150 i, r_cfg->app[i].priority,
1151 r_cfg->app[i].selector,
1152 r_cfg->app[i].protocolid);
1154 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1155 int cluster_id, table_id;
1157 u16 buff_len = 4096;
1163 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1164 &cluster_id, &table_id, &index);
1166 dev_info(&pf->pdev->dev,
1167 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1168 goto command_write_done;
1171 dev_info(&pf->pdev->dev,
1172 "AQ debug dump fwdata params %x %x %x %x\n",
1173 cluster_id, table_id, index, buff_len);
1174 buff = kzalloc(buff_len, GFP_KERNEL);
1176 goto command_write_done;
1178 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1179 index, buff_len, buff, &rlen,
1180 &next_table, &next_index,
1183 dev_info(&pf->pdev->dev,
1184 "debug dump fwdata AQ Failed %d 0x%x\n",
1185 ret, pf->hw.aq.asq_last_status);
1188 goto command_write_done;
1190 dev_info(&pf->pdev->dev,
1191 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1192 rlen, next_table, next_index);
1193 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1194 DUMP_PREFIX_OFFSET, 16, 1,
1199 dev_info(&pf->pdev->dev,
1200 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1201 dev_info(&pf->pdev->dev, "dump switch\n");
1202 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1203 dev_info(&pf->pdev->dev, "dump reset stats\n");
1204 dev_info(&pf->pdev->dev, "dump port\n");
1205 dev_info(&pf->pdev->dev,
1206 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1209 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1211 cnt = sscanf(&cmd_buf[10], "%i", &level);
1213 if (I40E_DEBUG_USER & level) {
1214 pf->hw.debug_mask = level;
1215 dev_info(&pf->pdev->dev,
1216 "set hw.debug_mask = 0x%08x\n",
1219 pf->msg_enable = level;
1220 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1223 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1226 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1227 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1228 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1230 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1231 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1232 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1234 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1235 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1236 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1238 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1239 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1240 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1242 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1246 cnt = sscanf(&cmd_buf[4], "%i", &address);
1248 dev_info(&pf->pdev->dev, "read <reg>\n");
1249 goto command_write_done;
1252 /* check the range on address */
1253 if (address > (pf->ioremap_len - sizeof(u32))) {
1254 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1255 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1256 goto command_write_done;
1259 value = rd32(&pf->hw, address);
1260 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1263 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1266 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1268 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1269 goto command_write_done;
1272 /* check the range on address */
1273 if (address > (pf->ioremap_len - sizeof(u32))) {
1274 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1275 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1276 goto command_write_done;
1278 wr32(&pf->hw, address, value);
1279 value = rd32(&pf->hw, address);
1280 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1282 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1283 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1284 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1288 for (i = 0; i < pf->num_alloc_vsi; i++)
1289 i40e_vsi_reset_stats(pf->vsi[i]);
1290 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1291 } else if (cnt == 1) {
1292 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1294 dev_info(&pf->pdev->dev,
1295 "clear_stats vsi: bad vsi %d\n",
1297 goto command_write_done;
1299 i40e_vsi_reset_stats(vsi);
1300 dev_info(&pf->pdev->dev,
1301 "vsi clear stats called for vsi %d\n",
1304 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1306 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1307 if (pf->hw.partition_id == 1) {
1308 i40e_pf_reset_stats(pf);
1309 dev_info(&pf->pdev->dev, "port stats cleared\n");
1311 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1314 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1316 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1317 struct i40e_aq_desc *desc;
1320 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1322 goto command_write_done;
1323 cnt = sscanf(&cmd_buf[11],
1324 "%hi %hi %hi %hi %i %i %i %i %i %i",
1326 &desc->opcode, &desc->datalen, &desc->retval,
1327 &desc->cookie_high, &desc->cookie_low,
1328 &desc->params.internal.param0,
1329 &desc->params.internal.param1,
1330 &desc->params.internal.param2,
1331 &desc->params.internal.param3);
1333 dev_info(&pf->pdev->dev,
1334 "send aq_cmd: bad command string, cnt=%d\n",
1338 goto command_write_done;
1340 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1342 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1343 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1344 dev_info(&pf->pdev->dev,
1345 "AQ command send failed Opcode %x AQ Error: %d\n",
1346 desc->opcode, pf->hw.aq.asq_last_status);
1348 dev_info(&pf->pdev->dev,
1349 "AQ command send failed Opcode %x Status: %d\n",
1352 dev_info(&pf->pdev->dev,
1353 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1354 desc->flags, desc->opcode, desc->datalen, desc->retval,
1355 desc->cookie_high, desc->cookie_low,
1356 desc->params.internal.param0,
1357 desc->params.internal.param1,
1358 desc->params.internal.param2,
1359 desc->params.internal.param3);
1362 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1363 struct i40e_aq_desc *desc;
1368 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1370 goto command_write_done;
1371 cnt = sscanf(&cmd_buf[20],
1372 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1374 &desc->opcode, &desc->datalen, &desc->retval,
1375 &desc->cookie_high, &desc->cookie_low,
1376 &desc->params.internal.param0,
1377 &desc->params.internal.param1,
1378 &desc->params.internal.param2,
1379 &desc->params.internal.param3,
1382 dev_info(&pf->pdev->dev,
1383 "send indirect aq_cmd: bad command string, cnt=%d\n",
1387 goto command_write_done;
1389 /* Just stub a buffer big enough in case user messed up */
1390 if (buffer_len == 0)
1393 buff = kzalloc(buffer_len, GFP_KERNEL);
1397 goto command_write_done;
1399 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1400 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1403 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1404 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1405 dev_info(&pf->pdev->dev,
1406 "AQ command send failed Opcode %x AQ Error: %d\n",
1407 desc->opcode, pf->hw.aq.asq_last_status);
1409 dev_info(&pf->pdev->dev,
1410 "AQ command send failed Opcode %x Status: %d\n",
1413 dev_info(&pf->pdev->dev,
1414 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1415 desc->flags, desc->opcode, desc->datalen, desc->retval,
1416 desc->cookie_high, desc->cookie_low,
1417 desc->params.internal.param0,
1418 desc->params.internal.param1,
1419 desc->params.internal.param2,
1420 desc->params.internal.param3);
1421 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1422 DUMP_PREFIX_OFFSET, 16, 1,
1423 buff, buffer_len, true);
1428 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1429 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1430 struct i40e_fdir_filter fd_data;
1431 u16 packet_len, i, j = 0;
1437 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1438 goto command_write_done;
1440 if (strncmp(cmd_buf, "add", 3) == 0)
1443 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1444 goto command_write_done;
1446 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1449 goto command_write_done;
1451 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1457 goto command_write_done;
1460 cnt = sscanf(&cmd_buf[13],
1461 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1463 &fd_data.flex_off, &fd_data.pctype,
1464 &fd_data.dest_vsi, &fd_data.dest_ctl,
1465 &fd_data.fd_status, &fd_data.cnt_index,
1466 &fd_data.fd_id, &packet_len, asc_packet);
1468 dev_info(&pf->pdev->dev,
1469 "program fd_filter: bad command string, cnt=%d\n",
1474 goto command_write_done;
1477 /* fix packet length if user entered 0 */
1478 if (packet_len == 0)
1479 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1481 /* make sure to check the max as well */
1482 packet_len = min_t(u16,
1483 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1485 for (i = 0; i < packet_len; i++) {
1486 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
1491 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1492 print_hex_dump(KERN_INFO, "FD raw packet: ",
1493 DUMP_PREFIX_OFFSET, 16, 1,
1494 raw_packet, packet_len, true);
1495 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1497 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1499 dev_info(&pf->pdev->dev,
1500 "Filter command send failed %d\n", ret);
1506 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1507 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1508 i40e_get_current_fd_count(pf));
1509 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1510 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1513 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1515 dev_info(&pf->pdev->dev,
1516 "Stop LLDP AQ command failed =0x%x\n",
1517 pf->hw.aq.asq_last_status);
1518 goto command_write_done;
1520 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1523 pf->vsi[pf->lan_vsi]->seid,
1524 0, true, NULL, NULL);
1526 dev_info(&pf->pdev->dev,
1527 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1528 __func__, pf->hw.aq.asq_last_status);
1529 goto command_write_done;
1531 #ifdef CONFIG_I40E_DCB
1532 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1533 DCB_CAP_DCBX_VER_IEEE;
1534 #endif /* CONFIG_I40E_DCB */
1535 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1538 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1541 pf->vsi[pf->lan_vsi]->seid,
1542 0, false, NULL, NULL);
1544 dev_info(&pf->pdev->dev,
1545 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1546 __func__, pf->hw.aq.asq_last_status);
1547 /* Continue and start FW LLDP anyways */
1550 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1552 dev_info(&pf->pdev->dev,
1553 "Start LLDP AQ command failed =0x%x\n",
1554 pf->hw.aq.asq_last_status);
1555 goto command_write_done;
1557 #ifdef CONFIG_I40E_DCB
1558 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1559 DCB_CAP_DCBX_VER_IEEE;
1560 #endif /* CONFIG_I40E_DCB */
1561 } else if (strncmp(&cmd_buf[5],
1562 "get local", 9) == 0) {
1567 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1569 goto command_write_done;
1571 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1572 I40E_AQ_LLDP_MIB_LOCAL,
1573 buff, I40E_LLDPDU_SIZE,
1574 &llen, &rlen, NULL);
1576 dev_info(&pf->pdev->dev,
1577 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1578 pf->hw.aq.asq_last_status);
1581 goto command_write_done;
1583 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1584 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1585 DUMP_PREFIX_OFFSET, 16, 1,
1586 buff, I40E_LLDPDU_SIZE, true);
1589 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1594 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1596 goto command_write_done;
1598 ret = i40e_aq_get_lldp_mib(&pf->hw,
1599 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1600 I40E_AQ_LLDP_MIB_REMOTE,
1601 buff, I40E_LLDPDU_SIZE,
1602 &llen, &rlen, NULL);
1604 dev_info(&pf->pdev->dev,
1605 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1606 pf->hw.aq.asq_last_status);
1609 goto command_write_done;
1611 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1612 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1613 DUMP_PREFIX_OFFSET, 16, 1,
1614 buff, I40E_LLDPDU_SIZE, true);
1617 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1620 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1623 dev_info(&pf->pdev->dev,
1624 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1625 pf->hw.aq.asq_last_status);
1626 goto command_write_done;
1628 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1631 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1634 dev_info(&pf->pdev->dev,
1635 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1636 pf->hw.aq.asq_last_status);
1637 goto command_write_done;
1640 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1641 u16 buffer_len, bytes;
1647 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1648 &module, &offset, &buffer_len);
1653 } else if (cnt == 1) {
1656 } else if (cnt == 2) {
1658 } else if (cnt > 3) {
1659 dev_info(&pf->pdev->dev,
1660 "nvm read: bad command string, cnt=%d\n", cnt);
1661 goto command_write_done;
1664 /* set the max length */
1665 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1667 bytes = 2 * buffer_len;
1669 /* read at least 1k bytes, no more than 4kB */
1670 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1671 buff = kzalloc(bytes, GFP_KERNEL);
1673 goto command_write_done;
1675 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1677 dev_info(&pf->pdev->dev,
1678 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1679 ret, pf->hw.aq.asq_last_status);
1681 goto command_write_done;
1684 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1685 bytes, (u8 *)buff, true, NULL);
1686 i40e_release_nvm(&pf->hw);
1688 dev_info(&pf->pdev->dev,
1689 "Read NVM AQ failed err=%d status=0x%x\n",
1690 ret, pf->hw.aq.asq_last_status);
1692 dev_info(&pf->pdev->dev,
1693 "Read NVM module=0x%x offset=0x%x words=%d\n",
1694 module, offset, buffer_len);
1696 print_hex_dump(KERN_INFO, "NVM Dump: ",
1697 DUMP_PREFIX_OFFSET, 16, 2,
1703 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1704 dev_info(&pf->pdev->dev, "available commands\n");
1705 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1706 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1707 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1708 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1709 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1710 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1711 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1712 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1713 dev_info(&pf->pdev->dev, " dump switch\n");
1714 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1715 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1716 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1717 dev_info(&pf->pdev->dev, " dump desc aq\n");
1718 dev_info(&pf->pdev->dev, " dump reset stats\n");
1719 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1720 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1721 dev_info(&pf->pdev->dev, " read <reg>\n");
1722 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1723 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1724 dev_info(&pf->pdev->dev, " clear_stats port\n");
1725 dev_info(&pf->pdev->dev, " pfr\n");
1726 dev_info(&pf->pdev->dev, " corer\n");
1727 dev_info(&pf->pdev->dev, " globr\n");
1728 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1729 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1730 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");
1731 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");
1732 dev_info(&pf->pdev->dev, " fd current cnt");
1733 dev_info(&pf->pdev->dev, " lldp start\n");
1734 dev_info(&pf->pdev->dev, " lldp stop\n");
1735 dev_info(&pf->pdev->dev, " lldp get local\n");
1736 dev_info(&pf->pdev->dev, " lldp get remote\n");
1737 dev_info(&pf->pdev->dev, " lldp event on\n");
1738 dev_info(&pf->pdev->dev, " lldp event off\n");
1739 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1748 static const struct file_operations i40e_dbg_command_fops = {
1749 .owner = THIS_MODULE,
1750 .open = simple_open,
1751 .read = i40e_dbg_command_read,
1752 .write = i40e_dbg_command_write,
1755 /**************************************************************
1757 * The netdev_ops entry in debugfs is for giving the driver commands
1758 * to be executed from the netdev operations.
1759 **************************************************************/
1760 static char i40e_dbg_netdev_ops_buf[256] = "";
1763 * i40e_dbg_netdev_ops - read for netdev_ops datum
1764 * @filp: the opened file
1765 * @buffer: where to write the data for the user to read
1766 * @count: the size of the user's buffer
1767 * @ppos: file position offset
1769 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1770 size_t count, loff_t *ppos)
1772 struct i40e_pf *pf = filp->private_data;
1773 int bytes_not_copied;
1778 /* don't allow partal reads */
1781 if (count < buf_size)
1784 buf = kzalloc(buf_size, GFP_KERNEL);
1788 len = snprintf(buf, buf_size, "%s: %s\n",
1789 pf->vsi[pf->lan_vsi]->netdev->name,
1790 i40e_dbg_netdev_ops_buf);
1792 bytes_not_copied = copy_to_user(buffer, buf, len);
1795 if (bytes_not_copied)
1803 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1804 * @filp: the opened file
1805 * @buffer: where to find the user's data
1806 * @count: the length of the user's data
1807 * @ppos: file position offset
1809 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1810 const char __user *buffer,
1811 size_t count, loff_t *ppos)
1813 struct i40e_pf *pf = filp->private_data;
1814 int bytes_not_copied;
1815 struct i40e_vsi *vsi;
1820 /* don't allow partial writes */
1823 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1826 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1827 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1829 if (bytes_not_copied)
1831 i40e_dbg_netdev_ops_buf[count] = '\0';
1833 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1836 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1839 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1840 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1842 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1843 goto netdev_ops_write_done;
1845 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1847 dev_info(&pf->pdev->dev,
1848 "tx_timeout: VSI %d not found\n", vsi_seid);
1849 } else if (!vsi->netdev) {
1850 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1852 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
1853 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1855 } else if (rtnl_trylock()) {
1856 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1858 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1860 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1862 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1865 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1868 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1869 goto netdev_ops_write_done;
1871 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1873 dev_info(&pf->pdev->dev,
1874 "change_mtu: VSI %d not found\n", vsi_seid);
1875 } else if (!vsi->netdev) {
1876 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1878 } else if (rtnl_trylock()) {
1879 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1882 dev_info(&pf->pdev->dev, "change_mtu called\n");
1884 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1887 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1888 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1890 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1891 goto netdev_ops_write_done;
1893 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1895 dev_info(&pf->pdev->dev,
1896 "set_rx_mode: VSI %d not found\n", vsi_seid);
1897 } else if (!vsi->netdev) {
1898 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1900 } else if (rtnl_trylock()) {
1901 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1903 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1905 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1908 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1909 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1911 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1912 goto netdev_ops_write_done;
1914 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1916 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1918 } else if (!vsi->netdev) {
1919 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1922 for (i = 0; i < vsi->num_q_vectors; i++)
1923 napi_schedule(&vsi->q_vectors[i]->napi);
1924 dev_info(&pf->pdev->dev, "napi called\n");
1927 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1928 i40e_dbg_netdev_ops_buf);
1929 dev_info(&pf->pdev->dev, "available commands\n");
1930 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1931 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1932 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1933 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1935 netdev_ops_write_done:
1939 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1940 .owner = THIS_MODULE,
1941 .open = simple_open,
1942 .read = i40e_dbg_netdev_ops_read,
1943 .write = i40e_dbg_netdev_ops_write,
1947 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1948 * @pf: the PF that is starting up
1950 void i40e_dbg_pf_init(struct i40e_pf *pf)
1952 struct dentry *pfile;
1953 const char *name = pci_name(pf->pdev);
1954 const struct device *dev = &pf->pdev->dev;
1956 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1957 if (!pf->i40e_dbg_pf)
1960 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1961 &i40e_dbg_command_fops);
1965 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1966 &i40e_dbg_netdev_ops_fops);
1973 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1974 debugfs_remove_recursive(pf->i40e_dbg_pf);
1978 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1979 * @pf: the PF that is stopping
1981 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1983 debugfs_remove_recursive(pf->i40e_dbg_pf);
1984 pf->i40e_dbg_pf = NULL;
1988 * i40e_dbg_init - start up debugfs for the driver
1990 void i40e_dbg_init(void)
1992 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1994 pr_info("init of debugfs failed\n");
1998 * i40e_dbg_exit - clean out the driver's debugfs entries
2000 void i40e_dbg_exit(void)
2002 debugfs_remove_recursive(i40e_dbg_root);
2003 i40e_dbg_root = NULL;
2006 #endif /* CONFIG_DEBUG_FS */