1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
7 #include <linux/debugfs.h>
11 static struct dentry *i40e_dbg_root;
20 * i40e_dbg_find_vsi - searches for the vsi with the given seid
21 * @pf: the PF structure to search for the vsi
22 * @seid: seid of the vsi it is searching for
24 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
29 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
31 for (i = 0; i < pf->num_alloc_vsi; i++)
32 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
39 * i40e_dbg_find_veb - searches for the veb with the given seid
40 * @pf: the PF structure to search for the veb
41 * @seid: seid of the veb it is searching for
43 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
47 for (i = 0; i < I40E_MAX_VEB; i++)
48 if (pf->veb[i] && pf->veb[i]->seid == seid)
53 /**************************************************************
55 * The command entry in debugfs is for giving the driver commands
56 * to be executed - these may be for changing the internal switch
57 * setup, adding or removing filters, or other things. Many of
58 * these will be useful for some forms of unit testing.
59 **************************************************************/
60 static char i40e_dbg_command_buf[256] = "";
63 * i40e_dbg_command_read - read for command datum
64 * @filp: the opened file
65 * @buffer: where to write the data for the user to read
66 * @count: the size of the user's buffer
67 * @ppos: file position offset
69 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
70 size_t count, loff_t *ppos)
72 struct i40e_pf *pf = filp->private_data;
78 /* don't allow partial reads */
84 buf = kzalloc(buf_size, GFP_KERNEL);
88 len = snprintf(buf, buf_size, "%s: %s\n",
89 pf->vsi[pf->lan_vsi]->netdev->name,
90 i40e_dbg_command_buf);
92 bytes_not_copied = copy_to_user(buffer, buf, len);
102 static char *i40e_filter_state_string[] = {
111 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
112 * @pf: the i40e_pf created in command write
113 * @seid: the seid the user put in
115 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
117 struct rtnl_link_stats64 *nstat;
118 struct i40e_mac_filter *f;
119 struct i40e_vsi *vsi;
122 vsi = i40e_dbg_find_vsi(pf, seid);
124 dev_info(&pf->pdev->dev,
125 "dump %d: seid not found\n", seid);
128 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
130 struct net_device *nd = vsi->netdev;
132 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
133 nd->name, nd->state, nd->flags);
134 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
135 (unsigned long int)nd->features);
136 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
137 (unsigned long int)nd->hw_features);
138 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
139 (unsigned long int)nd->vlan_features);
141 dev_info(&pf->pdev->dev,
142 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
143 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
144 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
145 dev_info(&pf->pdev->dev,
146 " state[%d] = %08lx\n",
148 if (vsi == pf->vsi[pf->lan_vsi])
149 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
152 pf->hw.mac.port_addr);
153 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
154 dev_info(&pf->pdev->dev,
155 " mac_filter_hash: %pM vid=%d, state %s\n",
157 i40e_filter_state_string[f->state]);
159 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
160 vsi->active_filters, vsi->promisc_threshold,
161 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
163 nstat = i40e_get_vsi_stats_struct(vsi);
164 dev_info(&pf->pdev->dev,
165 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
166 (unsigned long int)nstat->rx_packets,
167 (unsigned long int)nstat->rx_bytes,
168 (unsigned long int)nstat->rx_errors,
169 (unsigned long int)nstat->rx_dropped);
170 dev_info(&pf->pdev->dev,
171 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
172 (unsigned long int)nstat->tx_packets,
173 (unsigned long int)nstat->tx_bytes,
174 (unsigned long int)nstat->tx_errors,
175 (unsigned long int)nstat->tx_dropped);
176 dev_info(&pf->pdev->dev,
177 " net_stats: multicast = %lu, collisions = %lu\n",
178 (unsigned long int)nstat->multicast,
179 (unsigned long int)nstat->collisions);
180 dev_info(&pf->pdev->dev,
181 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
182 (unsigned long int)nstat->rx_length_errors,
183 (unsigned long int)nstat->rx_over_errors,
184 (unsigned long int)nstat->rx_crc_errors);
185 dev_info(&pf->pdev->dev,
186 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
187 (unsigned long int)nstat->rx_frame_errors,
188 (unsigned long int)nstat->rx_fifo_errors,
189 (unsigned long int)nstat->rx_missed_errors);
190 dev_info(&pf->pdev->dev,
191 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
192 (unsigned long int)nstat->tx_aborted_errors,
193 (unsigned long int)nstat->tx_carrier_errors,
194 (unsigned long int)nstat->tx_fifo_errors);
195 dev_info(&pf->pdev->dev,
196 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
197 (unsigned long int)nstat->tx_heartbeat_errors,
198 (unsigned long int)nstat->tx_window_errors);
199 dev_info(&pf->pdev->dev,
200 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
201 (unsigned long int)nstat->rx_compressed,
202 (unsigned long int)nstat->tx_compressed);
203 dev_info(&pf->pdev->dev,
204 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
205 (unsigned long int)vsi->net_stats_offsets.rx_packets,
206 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
207 (unsigned long int)vsi->net_stats_offsets.rx_errors,
208 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
209 dev_info(&pf->pdev->dev,
210 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
211 (unsigned long int)vsi->net_stats_offsets.tx_packets,
212 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
213 (unsigned long int)vsi->net_stats_offsets.tx_errors,
214 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
215 dev_info(&pf->pdev->dev,
216 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
217 (unsigned long int)vsi->net_stats_offsets.multicast,
218 (unsigned long int)vsi->net_stats_offsets.collisions);
219 dev_info(&pf->pdev->dev,
220 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
221 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
222 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
223 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
224 dev_info(&pf->pdev->dev,
225 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
226 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
227 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
228 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
229 dev_info(&pf->pdev->dev,
230 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
231 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
232 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
233 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
234 dev_info(&pf->pdev->dev,
235 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
236 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
237 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
238 dev_info(&pf->pdev->dev,
239 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
240 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
241 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
242 dev_info(&pf->pdev->dev,
243 " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n",
244 vsi->tx_restart, vsi->tx_busy,
245 vsi->rx_buf_failed, vsi->rx_page_failed);
247 for (i = 0; i < vsi->num_queue_pairs; i++) {
248 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
253 dev_info(&pf->pdev->dev,
254 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
256 rx_ring->queue_index,
258 dev_info(&pf->pdev->dev,
259 " rx_rings[%i]: rx_buf_len = %d\n",
260 i, rx_ring->rx_buf_len);
261 dev_info(&pf->pdev->dev,
262 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
264 rx_ring->next_to_use,
265 rx_ring->next_to_clean,
266 rx_ring->ring_active);
267 dev_info(&pf->pdev->dev,
268 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
269 i, rx_ring->stats.packets,
270 rx_ring->stats.bytes,
271 rx_ring->rx_stats.non_eop_descs);
272 dev_info(&pf->pdev->dev,
273 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
275 rx_ring->rx_stats.alloc_page_failed,
276 rx_ring->rx_stats.alloc_buff_failed);
277 dev_info(&pf->pdev->dev,
278 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
280 rx_ring->rx_stats.realloc_count,
281 rx_ring->rx_stats.page_reuse_count);
282 dev_info(&pf->pdev->dev,
283 " rx_rings[%i]: size = %i\n",
285 dev_info(&pf->pdev->dev,
286 " rx_rings[%i]: itr_setting = %d (%s)\n",
287 i, rx_ring->itr_setting,
288 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
290 for (i = 0; i < vsi->num_queue_pairs; i++) {
291 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
296 dev_info(&pf->pdev->dev,
297 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
299 tx_ring->queue_index,
301 dev_info(&pf->pdev->dev,
302 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
304 tx_ring->next_to_use,
305 tx_ring->next_to_clean,
306 tx_ring->ring_active);
307 dev_info(&pf->pdev->dev,
308 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
309 i, tx_ring->stats.packets,
310 tx_ring->stats.bytes,
311 tx_ring->tx_stats.restart_queue);
312 dev_info(&pf->pdev->dev,
313 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
315 tx_ring->tx_stats.tx_busy,
316 tx_ring->tx_stats.tx_done_old);
317 dev_info(&pf->pdev->dev,
318 " tx_rings[%i]: size = %i\n",
320 dev_info(&pf->pdev->dev,
321 " tx_rings[%i]: DCB tc = %d\n",
323 dev_info(&pf->pdev->dev,
324 " tx_rings[%i]: itr_setting = %d (%s)\n",
325 i, tx_ring->itr_setting,
326 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
328 if (i40e_enabled_xdp_vsi(vsi)) {
329 for (i = 0; i < vsi->num_queue_pairs; i++) {
330 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
335 dev_info(&pf->pdev->dev,
336 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
338 xdp_ring->queue_index,
340 dev_info(&pf->pdev->dev,
341 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
343 xdp_ring->next_to_use,
344 xdp_ring->next_to_clean,
345 xdp_ring->ring_active);
346 dev_info(&pf->pdev->dev,
347 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
348 i, xdp_ring->stats.packets,
349 xdp_ring->stats.bytes,
350 xdp_ring->tx_stats.restart_queue);
351 dev_info(&pf->pdev->dev,
352 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
354 xdp_ring->tx_stats.tx_busy,
355 xdp_ring->tx_stats.tx_done_old);
356 dev_info(&pf->pdev->dev,
357 " xdp_rings[%i]: size = %i\n",
359 dev_info(&pf->pdev->dev,
360 " xdp_rings[%i]: DCB tc = %d\n",
361 i, xdp_ring->dcb_tc);
362 dev_info(&pf->pdev->dev,
363 " xdp_rings[%i]: itr_setting = %d (%s)\n",
364 i, xdp_ring->itr_setting,
365 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
366 "dynamic" : "fixed");
370 dev_info(&pf->pdev->dev,
371 " work_limit = %d\n",
373 dev_info(&pf->pdev->dev,
374 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
375 vsi->max_frame, vsi->rx_buf_len, 0);
376 dev_info(&pf->pdev->dev,
377 " num_q_vectors = %i, base_vector = %i\n",
378 vsi->num_q_vectors, vsi->base_vector);
379 dev_info(&pf->pdev->dev,
380 " seid = %d, id = %d, uplink_seid = %d\n",
381 vsi->seid, vsi->id, vsi->uplink_seid);
382 dev_info(&pf->pdev->dev,
383 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
384 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
387 if (vsi->type == I40E_VSI_SRIOV)
388 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
389 dev_info(&pf->pdev->dev,
390 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
391 vsi->info.valid_sections, vsi->info.switch_id);
392 dev_info(&pf->pdev->dev,
393 " info: sw_reserved[] = 0x%02x 0x%02x\n",
394 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
395 dev_info(&pf->pdev->dev,
396 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
397 vsi->info.sec_flags, vsi->info.sec_reserved);
398 dev_info(&pf->pdev->dev,
399 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
400 vsi->info.pvid, vsi->info.fcoe_pvid,
401 vsi->info.port_vlan_flags);
402 dev_info(&pf->pdev->dev,
403 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
404 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
405 vsi->info.pvlan_reserved[2]);
406 dev_info(&pf->pdev->dev,
407 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
408 vsi->info.ingress_table, vsi->info.egress_table);
409 dev_info(&pf->pdev->dev,
410 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
411 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
412 vsi->info.cas_pv_reserved);
413 dev_info(&pf->pdev->dev,
414 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
415 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
416 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
417 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
418 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
419 dev_info(&pf->pdev->dev,
420 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
421 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
422 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
423 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
424 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
425 dev_info(&pf->pdev->dev,
426 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
427 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
428 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
429 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
430 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
431 dev_info(&pf->pdev->dev,
432 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
433 vsi->info.queueing_opt_flags,
434 vsi->info.queueing_opt_reserved[0],
435 vsi->info.queueing_opt_reserved[1],
436 vsi->info.queueing_opt_reserved[2]);
437 dev_info(&pf->pdev->dev,
438 " info: up_enable_bits = 0x%02x\n",
439 vsi->info.up_enable_bits);
440 dev_info(&pf->pdev->dev,
441 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
442 vsi->info.sched_reserved, vsi->info.outer_up_table);
443 dev_info(&pf->pdev->dev,
444 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
445 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
446 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
447 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
448 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
449 dev_info(&pf->pdev->dev,
450 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
451 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
452 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
453 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
454 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
455 dev_info(&pf->pdev->dev,
456 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
457 vsi->info.stat_counter_idx, vsi->info.sched_id);
458 dev_info(&pf->pdev->dev,
459 " 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",
460 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
461 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
462 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
463 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
464 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
465 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
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]);
490 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
491 * @pf: the i40e_pf created in command write
493 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
495 struct i40e_adminq_ring *ring;
496 struct i40e_hw *hw = &pf->hw;
500 snprintf(hdr, sizeof(hdr), "%s %s: ",
501 dev_driver_string(&pf->pdev->dev),
502 dev_name(&pf->pdev->dev));
504 /* first the send (command) ring, then the receive (event) ring */
505 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
506 ring = &(hw->aq.asq);
507 for (i = 0; i < ring->count; i++) {
508 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
510 dev_info(&pf->pdev->dev,
511 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
512 i, d->flags, d->opcode, d->datalen, d->retval,
513 d->cookie_high, d->cookie_low);
514 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
515 16, 1, d->params.raw, 16, 0);
518 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
519 ring = &(hw->aq.arq);
520 for (i = 0; i < ring->count; i++) {
521 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
523 dev_info(&pf->pdev->dev,
524 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
525 i, d->flags, d->opcode, d->datalen, d->retval,
526 d->cookie_high, d->cookie_low);
527 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
528 16, 1, d->params.raw, 16, 0);
533 * i40e_dbg_dump_desc - handles dump desc write into command datum
534 * @cnt: number of arguments that the user supplied
535 * @vsi_seid: vsi id entered by user
536 * @ring_id: ring id entered by user
537 * @desc_n: descriptor number entered by user
538 * @pf: the i40e_pf created in command write
539 * @type: enum describing whether ring is RX, TX or XDP
541 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
542 struct i40e_pf *pf, enum ring_type type)
544 bool is_rx_ring = type == RING_TYPE_RX;
545 struct i40e_tx_desc *txd;
546 union i40e_rx_desc *rxd;
547 struct i40e_ring *ring;
548 struct i40e_vsi *vsi;
551 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
553 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
556 if (vsi->type != I40E_VSI_MAIN &&
557 vsi->type != I40E_VSI_FDIR &&
558 vsi->type != I40E_VSI_VMDQ2) {
559 dev_info(&pf->pdev->dev,
560 "vsi %d type %d descriptor rings not available\n",
561 vsi_seid, vsi->type);
564 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
565 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
568 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
569 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
572 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
573 dev_info(&pf->pdev->dev,
574 "descriptor rings have not been allocated for vsi %d\n",
581 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
584 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
587 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
599 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
602 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
605 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
608 for (i = 0; i < ring->count; i++) {
610 txd = I40E_TX_DESC(ring, i);
611 dev_info(&pf->pdev->dev,
612 " d[%03x] = 0x%016llx 0x%016llx\n",
614 txd->cmd_type_offset_bsz);
616 rxd = I40E_RX_DESC(ring, i);
617 dev_info(&pf->pdev->dev,
618 " d[%03x] = 0x%016llx 0x%016llx\n",
619 i, rxd->read.pkt_addr,
623 } else if (cnt == 3) {
624 if (desc_n >= ring->count || desc_n < 0) {
625 dev_info(&pf->pdev->dev,
626 "descriptor %d not found\n", desc_n);
630 txd = I40E_TX_DESC(ring, desc_n);
631 dev_info(&pf->pdev->dev,
632 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
633 vsi_seid, ring_id, desc_n,
634 txd->buffer_addr, txd->cmd_type_offset_bsz);
636 rxd = I40E_RX_DESC(ring, desc_n);
637 dev_info(&pf->pdev->dev,
638 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
639 vsi_seid, ring_id, desc_n,
640 rxd->read.pkt_addr, rxd->read.hdr_addr);
643 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
651 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
652 * @pf: the i40e_pf created in command write
654 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
658 for (i = 0; i < pf->num_alloc_vsi; i++)
660 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
661 i, pf->vsi[i]->seid);
665 * i40e_dbg_dump_stats - handles dump stats write into command datum
666 * @pf: the i40e_pf created in command write
667 * @estats: the eth stats structure to be dumped
669 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
670 struct i40e_eth_stats *estats)
672 dev_info(&pf->pdev->dev, " ethstats:\n");
673 dev_info(&pf->pdev->dev,
674 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
675 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
676 dev_info(&pf->pdev->dev,
677 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
678 estats->rx_broadcast, estats->rx_discards);
679 dev_info(&pf->pdev->dev,
680 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
681 estats->rx_unknown_protocol, estats->tx_bytes);
682 dev_info(&pf->pdev->dev,
683 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
684 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
685 dev_info(&pf->pdev->dev,
686 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
687 estats->tx_discards, estats->tx_errors);
691 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
692 * @pf: the i40e_pf created in command write
693 * @seid: the seid the user put in
695 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
697 struct i40e_veb *veb;
699 veb = i40e_dbg_find_veb(pf, seid);
701 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
704 dev_info(&pf->pdev->dev,
705 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
706 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
708 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
709 i40e_dbg_dump_eth_stats(pf, &veb->stats);
713 * i40e_dbg_dump_veb_all - dumps all known veb's stats
714 * @pf: the i40e_pf created in command write
716 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
718 struct i40e_veb *veb;
721 for (i = 0; i < I40E_MAX_VEB; i++) {
724 i40e_dbg_dump_veb_seid(pf, veb->seid);
729 * i40e_dbg_dump_vf - dump VF info
730 * @pf: the i40e_pf created in command write
731 * @vf_id: the vf_id from the user
733 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
736 struct i40e_vsi *vsi;
738 if (!pf->num_alloc_vfs) {
739 dev_info(&pf->pdev->dev, "no VFs allocated\n");
740 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
742 vsi = pf->vsi[vf->lan_vsi_idx];
743 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
744 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
745 dev_info(&pf->pdev->dev, " num MDD=%lld\n",
748 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
753 * i40e_dbg_dump_vf_all - dump VF info for all VFs
754 * @pf: the i40e_pf created in command write
756 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
760 if (!pf->num_alloc_vfs)
761 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
763 for (i = 0; i < pf->num_alloc_vfs; i++)
764 i40e_dbg_dump_vf(pf, i);
768 * i40e_dbg_command_write - write into command datum
769 * @filp: the opened file
770 * @buffer: where to find the user's data
771 * @count: the length of the user's data
772 * @ppos: file position offset
774 static ssize_t i40e_dbg_command_write(struct file *filp,
775 const char __user *buffer,
776 size_t count, loff_t *ppos)
778 struct i40e_pf *pf = filp->private_data;
779 char *cmd_buf, *cmd_buf_tmp;
780 int bytes_not_copied;
781 struct i40e_vsi *vsi;
787 /* don't allow partial writes */
791 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
794 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
795 if (bytes_not_copied) {
799 cmd_buf[count] = '\0';
801 cmd_buf_tmp = strchr(cmd_buf, '\n');
804 count = cmd_buf_tmp - cmd_buf + 1;
807 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
809 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
811 /* default to PF VSI */
812 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
813 } else if (vsi_seid < 0) {
814 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
816 goto command_write_done;
819 /* By default we are in VEPA mode, if this is the first VF/VMDq
820 * VSI to be added switch to VEB mode.
822 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
823 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
824 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
827 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
829 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
830 vsi->seid, vsi->uplink_seid);
832 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
834 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
835 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
837 dev_info(&pf->pdev->dev,
838 "del vsi: bad command string, cnt=%d\n",
840 goto command_write_done;
842 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
844 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
846 goto command_write_done;
849 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
850 i40e_vsi_release(vsi);
852 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
853 struct i40e_veb *veb;
856 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
858 dev_info(&pf->pdev->dev,
859 "add relay: bad command string, cnt=%d\n",
861 goto command_write_done;
862 } else if (uplink_seid < 0) {
863 dev_info(&pf->pdev->dev,
864 "add relay %d: bad uplink seid\n",
866 goto command_write_done;
869 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
871 dev_info(&pf->pdev->dev,
872 "add relay: VSI %d not found\n", vsi_seid);
873 goto command_write_done;
876 for (i = 0; i < I40E_MAX_VEB; i++)
877 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
879 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
880 uplink_seid != pf->mac_seid) {
881 dev_info(&pf->pdev->dev,
882 "add relay: relay uplink %d not found\n",
884 goto command_write_done;
887 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
888 vsi->tc_config.enabled_tc);
890 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
892 dev_info(&pf->pdev->dev, "add relay failed\n");
894 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
896 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
898 dev_info(&pf->pdev->dev,
899 "del relay: bad command string, cnt=%d\n",
901 goto command_write_done;
902 } else if (veb_seid < 0) {
903 dev_info(&pf->pdev->dev,
904 "del relay %d: bad relay seid\n", veb_seid);
905 goto command_write_done;
909 for (i = 0; i < I40E_MAX_VEB; i++)
910 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
912 if (i >= I40E_MAX_VEB) {
913 dev_info(&pf->pdev->dev,
914 "del relay: relay %d not found\n", veb_seid);
915 goto command_write_done;
918 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
919 i40e_veb_release(pf->veb[i]);
920 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
925 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
927 dev_info(&pf->pdev->dev,
928 "add pvid: bad command string, cnt=%d\n", cnt);
929 goto command_write_done;
932 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
934 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
936 goto command_write_done;
940 ret = i40e_vsi_add_pvid(vsi, vid);
942 dev_info(&pf->pdev->dev,
943 "add pvid: %d added to VSI %d\n",
946 dev_info(&pf->pdev->dev,
947 "add pvid: %d to VSI %d failed, ret=%d\n",
950 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
952 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
954 dev_info(&pf->pdev->dev,
955 "del pvid: bad command string, cnt=%d\n",
957 goto command_write_done;
960 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
962 dev_info(&pf->pdev->dev,
963 "del pvid: VSI %d not found\n", vsi_seid);
964 goto command_write_done;
967 i40e_vsi_remove_pvid(vsi);
968 dev_info(&pf->pdev->dev,
969 "del pvid: removed from VSI %d\n", vsi_seid);
971 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
972 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
973 i40e_fetch_switch_configuration(pf, true);
974 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
975 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
977 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
979 i40e_dbg_dump_vsi_no_seid(pf);
980 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
981 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
983 i40e_dbg_dump_veb_seid(pf, vsi_seid);
985 i40e_dbg_dump_veb_all(pf);
986 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
987 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
989 i40e_dbg_dump_vf(pf, vf_id);
991 i40e_dbg_dump_vf_all(pf);
992 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
994 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
995 cnt = sscanf(&cmd_buf[12], "%i %i %i",
996 &vsi_seid, &ring_id, &desc_n);
997 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
998 desc_n, pf, RING_TYPE_RX);
999 } else if (strncmp(&cmd_buf[10], "tx", 2)
1001 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1002 &vsi_seid, &ring_id, &desc_n);
1003 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1004 desc_n, pf, RING_TYPE_TX);
1005 } else if (strncmp(&cmd_buf[10], "xdp", 3)
1007 cnt = sscanf(&cmd_buf[13], "%i %i %i",
1008 &vsi_seid, &ring_id, &desc_n);
1009 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1010 desc_n, pf, RING_TYPE_XDP);
1011 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1012 i40e_dbg_dump_aq_desc(pf);
1014 dev_info(&pf->pdev->dev,
1015 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1016 dev_info(&pf->pdev->dev,
1017 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1018 dev_info(&pf->pdev->dev,
1019 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1020 dev_info(&pf->pdev->dev, "dump desc aq\n");
1022 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1023 dev_info(&pf->pdev->dev,
1024 "core reset count: %d\n", pf->corer_count);
1025 dev_info(&pf->pdev->dev,
1026 "global reset count: %d\n", pf->globr_count);
1027 dev_info(&pf->pdev->dev,
1028 "emp reset count: %d\n", pf->empr_count);
1029 dev_info(&pf->pdev->dev,
1030 "pf reset count: %d\n", pf->pfr_count);
1031 dev_info(&pf->pdev->dev,
1032 "pf tx sluggish count: %d\n",
1033 pf->tx_sluggish_count);
1034 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1035 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1036 struct i40e_dcbx_config *cfg =
1037 &pf->hw.local_dcbx_config;
1038 struct i40e_dcbx_config *r_cfg =
1039 &pf->hw.remote_dcbx_config;
1043 bw_data = kzalloc(sizeof(
1044 struct i40e_aqc_query_port_ets_config_resp),
1048 goto command_write_done;
1051 vsi = pf->vsi[pf->lan_vsi];
1053 le16_to_cpu(vsi->info.switch_id) &
1054 I40E_AQ_VSI_SW_ID_MASK;
1056 ret = i40e_aq_query_port_ets_config(&pf->hw,
1060 dev_info(&pf->pdev->dev,
1061 "Query Port ETS Config AQ command failed =0x%x\n",
1062 pf->hw.aq.asq_last_status);
1065 goto command_write_done;
1067 dev_info(&pf->pdev->dev,
1068 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1069 bw_data->tc_valid_bits,
1070 bw_data->tc_strict_priority_bits,
1071 le16_to_cpu(bw_data->tc_bw_max[0]),
1072 le16_to_cpu(bw_data->tc_bw_max[1]));
1073 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1074 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1075 bw_data->tc_bw_share_credits[i],
1076 le16_to_cpu(bw_data->tc_bw_limits[i]));
1082 dev_info(&pf->pdev->dev,
1083 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1084 dev_info(&pf->pdev->dev,
1085 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1086 cfg->etscfg.willing, cfg->etscfg.cbs,
1087 cfg->etscfg.maxtcs);
1088 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1089 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1090 i, cfg->etscfg.prioritytable[i],
1091 cfg->etscfg.tcbwtable[i],
1092 cfg->etscfg.tsatable[i]);
1094 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1095 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1096 i, cfg->etsrec.prioritytable[i],
1097 cfg->etsrec.tcbwtable[i],
1098 cfg->etsrec.tsatable[i]);
1100 dev_info(&pf->pdev->dev,
1101 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1102 cfg->pfc.willing, cfg->pfc.mbc,
1103 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1104 dev_info(&pf->pdev->dev,
1105 "port app_table: num_apps=%d\n", cfg->numapps);
1106 for (i = 0; i < cfg->numapps; i++) {
1107 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1108 i, cfg->app[i].priority,
1109 cfg->app[i].selector,
1110 cfg->app[i].protocolid);
1112 /* Peer TLV DCBX data */
1113 dev_info(&pf->pdev->dev,
1114 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1115 r_cfg->etscfg.willing,
1116 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1117 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1118 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1119 i, r_cfg->etscfg.prioritytable[i],
1120 r_cfg->etscfg.tcbwtable[i],
1121 r_cfg->etscfg.tsatable[i]);
1123 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1124 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1125 i, r_cfg->etsrec.prioritytable[i],
1126 r_cfg->etsrec.tcbwtable[i],
1127 r_cfg->etsrec.tsatable[i]);
1129 dev_info(&pf->pdev->dev,
1130 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1134 r_cfg->pfc.pfcenable);
1135 dev_info(&pf->pdev->dev,
1136 "remote port app_table: num_apps=%d\n",
1138 for (i = 0; i < r_cfg->numapps; i++) {
1139 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1140 i, r_cfg->app[i].priority,
1141 r_cfg->app[i].selector,
1142 r_cfg->app[i].protocolid);
1144 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1145 int cluster_id, table_id;
1147 u16 buff_len = 4096;
1153 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1154 &cluster_id, &table_id, &index);
1156 dev_info(&pf->pdev->dev,
1157 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1158 goto command_write_done;
1161 dev_info(&pf->pdev->dev,
1162 "AQ debug dump fwdata params %x %x %x %x\n",
1163 cluster_id, table_id, index, buff_len);
1164 buff = kzalloc(buff_len, GFP_KERNEL);
1166 goto command_write_done;
1168 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1169 index, buff_len, buff, &rlen,
1170 &next_table, &next_index,
1173 dev_info(&pf->pdev->dev,
1174 "debug dump fwdata AQ Failed %d 0x%x\n",
1175 ret, pf->hw.aq.asq_last_status);
1178 goto command_write_done;
1180 dev_info(&pf->pdev->dev,
1181 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1182 rlen, next_table, next_index);
1183 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1184 DUMP_PREFIX_OFFSET, 16, 1,
1189 dev_info(&pf->pdev->dev,
1190 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n");
1191 dev_info(&pf->pdev->dev, "dump switch\n");
1192 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1193 dev_info(&pf->pdev->dev, "dump reset stats\n");
1194 dev_info(&pf->pdev->dev, "dump port\n");
1195 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1196 dev_info(&pf->pdev->dev,
1197 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1199 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1200 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1201 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1203 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1204 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1205 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1207 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1208 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1209 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1211 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1215 cnt = sscanf(&cmd_buf[4], "%i", &address);
1217 dev_info(&pf->pdev->dev, "read <reg>\n");
1218 goto command_write_done;
1221 /* check the range on address */
1222 if (address > (pf->ioremap_len - sizeof(u32))) {
1223 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1224 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1225 goto command_write_done;
1228 value = rd32(&pf->hw, address);
1229 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1232 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1235 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1237 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1238 goto command_write_done;
1241 /* check the range on address */
1242 if (address > (pf->ioremap_len - sizeof(u32))) {
1243 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1244 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1245 goto command_write_done;
1247 wr32(&pf->hw, address, value);
1248 value = rd32(&pf->hw, address);
1249 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1251 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1252 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1253 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1257 for (i = 0; i < pf->num_alloc_vsi; i++)
1258 i40e_vsi_reset_stats(pf->vsi[i]);
1259 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1260 } else if (cnt == 1) {
1261 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1263 dev_info(&pf->pdev->dev,
1264 "clear_stats vsi: bad vsi %d\n",
1266 goto command_write_done;
1268 i40e_vsi_reset_stats(vsi);
1269 dev_info(&pf->pdev->dev,
1270 "vsi clear stats called for vsi %d\n",
1273 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1275 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1276 if (pf->hw.partition_id == 1) {
1277 i40e_pf_reset_stats(pf);
1278 dev_info(&pf->pdev->dev, "port stats cleared\n");
1280 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1283 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1285 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1286 struct i40e_aq_desc *desc;
1289 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1291 goto command_write_done;
1292 cnt = sscanf(&cmd_buf[11],
1293 "%hi %hi %hi %hi %i %i %i %i %i %i",
1295 &desc->opcode, &desc->datalen, &desc->retval,
1296 &desc->cookie_high, &desc->cookie_low,
1297 &desc->params.internal.param0,
1298 &desc->params.internal.param1,
1299 &desc->params.internal.param2,
1300 &desc->params.internal.param3);
1302 dev_info(&pf->pdev->dev,
1303 "send aq_cmd: bad command string, cnt=%d\n",
1307 goto command_write_done;
1309 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1311 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1312 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1313 dev_info(&pf->pdev->dev,
1314 "AQ command send failed Opcode %x AQ Error: %d\n",
1315 desc->opcode, pf->hw.aq.asq_last_status);
1317 dev_info(&pf->pdev->dev,
1318 "AQ command send failed Opcode %x Status: %d\n",
1321 dev_info(&pf->pdev->dev,
1322 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1323 desc->flags, desc->opcode, desc->datalen, desc->retval,
1324 desc->cookie_high, desc->cookie_low,
1325 desc->params.internal.param0,
1326 desc->params.internal.param1,
1327 desc->params.internal.param2,
1328 desc->params.internal.param3);
1331 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1332 struct i40e_aq_desc *desc;
1337 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1339 goto command_write_done;
1340 cnt = sscanf(&cmd_buf[20],
1341 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1343 &desc->opcode, &desc->datalen, &desc->retval,
1344 &desc->cookie_high, &desc->cookie_low,
1345 &desc->params.internal.param0,
1346 &desc->params.internal.param1,
1347 &desc->params.internal.param2,
1348 &desc->params.internal.param3,
1351 dev_info(&pf->pdev->dev,
1352 "send indirect aq_cmd: bad command string, cnt=%d\n",
1356 goto command_write_done;
1358 /* Just stub a buffer big enough in case user messed up */
1359 if (buffer_len == 0)
1362 buff = kzalloc(buffer_len, GFP_KERNEL);
1366 goto command_write_done;
1368 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1369 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1372 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1373 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1374 dev_info(&pf->pdev->dev,
1375 "AQ command send failed Opcode %x AQ Error: %d\n",
1376 desc->opcode, pf->hw.aq.asq_last_status);
1378 dev_info(&pf->pdev->dev,
1379 "AQ command send failed Opcode %x Status: %d\n",
1382 dev_info(&pf->pdev->dev,
1383 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1384 desc->flags, desc->opcode, desc->datalen, desc->retval,
1385 desc->cookie_high, desc->cookie_low,
1386 desc->params.internal.param0,
1387 desc->params.internal.param1,
1388 desc->params.internal.param2,
1389 desc->params.internal.param3);
1390 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1391 DUMP_PREFIX_OFFSET, 16, 1,
1392 buff, buffer_len, true);
1397 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1398 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1399 i40e_get_current_fd_count(pf));
1400 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1401 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1404 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1406 dev_info(&pf->pdev->dev,
1407 "Stop LLDP AQ command failed =0x%x\n",
1408 pf->hw.aq.asq_last_status);
1409 goto command_write_done;
1411 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1414 pf->vsi[pf->lan_vsi]->seid,
1415 0, true, NULL, NULL);
1417 dev_info(&pf->pdev->dev,
1418 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1419 __func__, pf->hw.aq.asq_last_status);
1420 goto command_write_done;
1422 #ifdef CONFIG_I40E_DCB
1423 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1424 DCB_CAP_DCBX_VER_IEEE;
1425 #endif /* CONFIG_I40E_DCB */
1426 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1429 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1432 pf->vsi[pf->lan_vsi]->seid,
1433 0, false, NULL, NULL);
1435 dev_info(&pf->pdev->dev,
1436 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1437 __func__, pf->hw.aq.asq_last_status);
1438 /* Continue and start FW LLDP anyways */
1441 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1443 dev_info(&pf->pdev->dev,
1444 "Start LLDP AQ command failed =0x%x\n",
1445 pf->hw.aq.asq_last_status);
1446 goto command_write_done;
1448 #ifdef CONFIG_I40E_DCB
1449 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1450 DCB_CAP_DCBX_VER_IEEE;
1451 #endif /* CONFIG_I40E_DCB */
1452 } else if (strncmp(&cmd_buf[5],
1453 "get local", 9) == 0) {
1458 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1460 goto command_write_done;
1462 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1463 I40E_AQ_LLDP_MIB_LOCAL,
1464 buff, I40E_LLDPDU_SIZE,
1465 &llen, &rlen, NULL);
1467 dev_info(&pf->pdev->dev,
1468 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1469 pf->hw.aq.asq_last_status);
1472 goto command_write_done;
1474 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1475 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1476 DUMP_PREFIX_OFFSET, 16, 1,
1477 buff, I40E_LLDPDU_SIZE, true);
1480 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1485 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1487 goto command_write_done;
1489 ret = i40e_aq_get_lldp_mib(&pf->hw,
1490 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1491 I40E_AQ_LLDP_MIB_REMOTE,
1492 buff, I40E_LLDPDU_SIZE,
1493 &llen, &rlen, NULL);
1495 dev_info(&pf->pdev->dev,
1496 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1497 pf->hw.aq.asq_last_status);
1500 goto command_write_done;
1502 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1503 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1504 DUMP_PREFIX_OFFSET, 16, 1,
1505 buff, I40E_LLDPDU_SIZE, true);
1508 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1511 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1514 dev_info(&pf->pdev->dev,
1515 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1516 pf->hw.aq.asq_last_status);
1517 goto command_write_done;
1519 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1522 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1525 dev_info(&pf->pdev->dev,
1526 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1527 pf->hw.aq.asq_last_status);
1528 goto command_write_done;
1531 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1532 u16 buffer_len, bytes;
1538 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1539 &module, &offset, &buffer_len);
1544 } else if (cnt == 1) {
1547 } else if (cnt == 2) {
1549 } else if (cnt > 3) {
1550 dev_info(&pf->pdev->dev,
1551 "nvm read: bad command string, cnt=%d\n", cnt);
1552 goto command_write_done;
1555 /* set the max length */
1556 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1558 bytes = 2 * buffer_len;
1560 /* read at least 1k bytes, no more than 4kB */
1561 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1562 buff = kzalloc(bytes, GFP_KERNEL);
1564 goto command_write_done;
1566 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1568 dev_info(&pf->pdev->dev,
1569 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1570 ret, pf->hw.aq.asq_last_status);
1572 goto command_write_done;
1575 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1576 bytes, (u8 *)buff, true, NULL);
1577 i40e_release_nvm(&pf->hw);
1579 dev_info(&pf->pdev->dev,
1580 "Read NVM AQ failed err=%d status=0x%x\n",
1581 ret, pf->hw.aq.asq_last_status);
1583 dev_info(&pf->pdev->dev,
1584 "Read NVM module=0x%x offset=0x%x words=%d\n",
1585 module, offset, buffer_len);
1587 print_hex_dump(KERN_INFO, "NVM Dump: ",
1588 DUMP_PREFIX_OFFSET, 16, 2,
1594 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1595 dev_info(&pf->pdev->dev, "available commands\n");
1596 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1597 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1598 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1599 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1600 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1601 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1602 dev_info(&pf->pdev->dev, " dump switch\n");
1603 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1604 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1605 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1606 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1607 dev_info(&pf->pdev->dev, " dump desc aq\n");
1608 dev_info(&pf->pdev->dev, " dump reset stats\n");
1609 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1610 dev_info(&pf->pdev->dev, " read <reg>\n");
1611 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1612 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1613 dev_info(&pf->pdev->dev, " clear_stats port\n");
1614 dev_info(&pf->pdev->dev, " pfr\n");
1615 dev_info(&pf->pdev->dev, " corer\n");
1616 dev_info(&pf->pdev->dev, " globr\n");
1617 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1618 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1619 dev_info(&pf->pdev->dev, " fd current cnt");
1620 dev_info(&pf->pdev->dev, " lldp start\n");
1621 dev_info(&pf->pdev->dev, " lldp stop\n");
1622 dev_info(&pf->pdev->dev, " lldp get local\n");
1623 dev_info(&pf->pdev->dev, " lldp get remote\n");
1624 dev_info(&pf->pdev->dev, " lldp event on\n");
1625 dev_info(&pf->pdev->dev, " lldp event off\n");
1626 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1635 static const struct file_operations i40e_dbg_command_fops = {
1636 .owner = THIS_MODULE,
1637 .open = simple_open,
1638 .read = i40e_dbg_command_read,
1639 .write = i40e_dbg_command_write,
1642 /**************************************************************
1644 * The netdev_ops entry in debugfs is for giving the driver commands
1645 * to be executed from the netdev operations.
1646 **************************************************************/
1647 static char i40e_dbg_netdev_ops_buf[256] = "";
1650 * i40e_dbg_netdev_ops - read for netdev_ops datum
1651 * @filp: the opened file
1652 * @buffer: where to write the data for the user to read
1653 * @count: the size of the user's buffer
1654 * @ppos: file position offset
1656 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1657 size_t count, loff_t *ppos)
1659 struct i40e_pf *pf = filp->private_data;
1660 int bytes_not_copied;
1665 /* don't allow partal reads */
1668 if (count < buf_size)
1671 buf = kzalloc(buf_size, GFP_KERNEL);
1675 len = snprintf(buf, buf_size, "%s: %s\n",
1676 pf->vsi[pf->lan_vsi]->netdev->name,
1677 i40e_dbg_netdev_ops_buf);
1679 bytes_not_copied = copy_to_user(buffer, buf, len);
1682 if (bytes_not_copied)
1690 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1691 * @filp: the opened file
1692 * @buffer: where to find the user's data
1693 * @count: the length of the user's data
1694 * @ppos: file position offset
1696 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1697 const char __user *buffer,
1698 size_t count, loff_t *ppos)
1700 struct i40e_pf *pf = filp->private_data;
1701 int bytes_not_copied;
1702 struct i40e_vsi *vsi;
1707 /* don't allow partial writes */
1710 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1713 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1714 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1716 if (bytes_not_copied)
1718 i40e_dbg_netdev_ops_buf[count] = '\0';
1720 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1723 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1726 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1729 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1732 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1733 goto netdev_ops_write_done;
1735 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1737 dev_info(&pf->pdev->dev,
1738 "change_mtu: VSI %d not found\n", vsi_seid);
1739 } else if (!vsi->netdev) {
1740 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1742 } else if (rtnl_trylock()) {
1743 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1746 dev_info(&pf->pdev->dev, "change_mtu called\n");
1748 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1751 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1752 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1754 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1755 goto netdev_ops_write_done;
1757 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1759 dev_info(&pf->pdev->dev,
1760 "set_rx_mode: VSI %d not found\n", vsi_seid);
1761 } else if (!vsi->netdev) {
1762 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1764 } else if (rtnl_trylock()) {
1765 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1767 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1769 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1772 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1773 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1775 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1776 goto netdev_ops_write_done;
1778 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1780 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1782 } else if (!vsi->netdev) {
1783 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1786 for (i = 0; i < vsi->num_q_vectors; i++)
1787 napi_schedule(&vsi->q_vectors[i]->napi);
1788 dev_info(&pf->pdev->dev, "napi called\n");
1791 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1792 i40e_dbg_netdev_ops_buf);
1793 dev_info(&pf->pdev->dev, "available commands\n");
1794 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1795 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1796 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1798 netdev_ops_write_done:
1802 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1803 .owner = THIS_MODULE,
1804 .open = simple_open,
1805 .read = i40e_dbg_netdev_ops_read,
1806 .write = i40e_dbg_netdev_ops_write,
1810 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1811 * @pf: the PF that is starting up
1813 void i40e_dbg_pf_init(struct i40e_pf *pf)
1815 const char *name = pci_name(pf->pdev);
1817 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1819 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1820 &i40e_dbg_command_fops);
1822 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1823 &i40e_dbg_netdev_ops_fops);
1827 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1828 * @pf: the PF that is stopping
1830 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1832 debugfs_remove_recursive(pf->i40e_dbg_pf);
1833 pf->i40e_dbg_pf = NULL;
1837 * i40e_dbg_init - start up debugfs for the driver
1839 void i40e_dbg_init(void)
1841 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1842 if (IS_ERR(i40e_dbg_root))
1843 pr_info("init of debugfs failed\n");
1847 * i40e_dbg_exit - clean out the driver's debugfs entries
1849 void i40e_dbg_exit(void)
1851 debugfs_remove_recursive(i40e_dbg_root);
1852 i40e_dbg_root = NULL;
1855 #endif /* CONFIG_DEBUG_FS */