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27#ifdef CONFIG_DEBUG_FS
28
29#include <linux/fs.h>
30#include <linux/debugfs.h>
31
32#include "i40e.h"
33
34static struct dentry *i40e_dbg_root;
35
36
37
38
39
40
41static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
42{
43 int i;
44
45 if (seid < 0)
46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
47 else
48 for (i = 0; i < pf->num_alloc_vsi; i++)
49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
50 return pf->vsi[i];
51
52 return NULL;
53}
54
55
56
57
58
59
60static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
61{
62 int i;
63
64 for (i = 0; i < I40E_MAX_VEB; i++)
65 if (pf->veb[i] && pf->veb[i]->seid == seid)
66 return pf->veb[i];
67 return NULL;
68}
69
70
71
72
73
74
75
76
77static char i40e_dbg_command_buf[256] = "";
78
79
80
81
82
83
84
85
86static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
87 size_t count, loff_t *ppos)
88{
89 struct i40e_pf *pf = filp->private_data;
90 int bytes_not_copied;
91 int buf_size = 256;
92 char *buf;
93 int len;
94
95
96 if (*ppos != 0)
97 return 0;
98 if (count < buf_size)
99 return -ENOSPC;
100
101 buf = kzalloc(buf_size, GFP_KERNEL);
102 if (!buf)
103 return -ENOSPC;
104
105 len = snprintf(buf, buf_size, "%s: %s\n",
106 pf->vsi[pf->lan_vsi]->netdev->name,
107 i40e_dbg_command_buf);
108
109 bytes_not_copied = copy_to_user(buffer, buf, len);
110 kfree(buf);
111
112 if (bytes_not_copied)
113 return -EFAULT;
114
115 *ppos = len;
116 return len;
117}
118
119static char *i40e_filter_state_string[] = {
120 "INVALID",
121 "NEW",
122 "ACTIVE",
123 "FAILED",
124 "REMOVE",
125};
126
127
128
129
130
131
132static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
133{
134 struct rtnl_link_stats64 *nstat;
135 struct i40e_mac_filter *f;
136 struct i40e_vsi *vsi;
137 int i, bkt;
138
139 vsi = i40e_dbg_find_vsi(pf, seid);
140 if (!vsi) {
141 dev_info(&pf->pdev->dev,
142 "dump %d: seid not found\n", seid);
143 return;
144 }
145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
146 if (vsi->netdev) {
147 struct net_device *nd = vsi->netdev;
148
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);
157 }
158 dev_info(&pf->pdev->dev,
159 " vlgrp: & = %p\n", vsi->active_vlans);
160 dev_info(&pf->pdev->dev,
161 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
162 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
163 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
164 dev_info(&pf->pdev->dev,
165 " state[%d] = %08lx\n",
166 i, vsi->state[i]);
167 if (vsi == pf->vsi[pf->lan_vsi])
168 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
169 pf->hw.mac.addr,
170 pf->hw.mac.san_addr,
171 pf->hw.mac.port_addr);
172 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
173 dev_info(&pf->pdev->dev,
174 " mac_filter_hash: %pM vid=%d, state %s\n",
175 f->macaddr, f->vlan,
176 i40e_filter_state_string[f->state]);
177 }
178 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
179 vsi->active_filters, vsi->promisc_threshold,
180 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
181 "ON" : "OFF"));
182 nstat = i40e_get_vsi_stats_struct(vsi);
183 dev_info(&pf->pdev->dev,
184 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
185 (unsigned long int)nstat->rx_packets,
186 (unsigned long int)nstat->rx_bytes,
187 (unsigned long int)nstat->rx_errors,
188 (unsigned long int)nstat->rx_dropped);
189 dev_info(&pf->pdev->dev,
190 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
191 (unsigned long int)nstat->tx_packets,
192 (unsigned long int)nstat->tx_bytes,
193 (unsigned long int)nstat->tx_errors,
194 (unsigned long int)nstat->tx_dropped);
195 dev_info(&pf->pdev->dev,
196 " net_stats: multicast = %lu, collisions = %lu\n",
197 (unsigned long int)nstat->multicast,
198 (unsigned long int)nstat->collisions);
199 dev_info(&pf->pdev->dev,
200 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
201 (unsigned long int)nstat->rx_length_errors,
202 (unsigned long int)nstat->rx_over_errors,
203 (unsigned long int)nstat->rx_crc_errors);
204 dev_info(&pf->pdev->dev,
205 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
206 (unsigned long int)nstat->rx_frame_errors,
207 (unsigned long int)nstat->rx_fifo_errors,
208 (unsigned long int)nstat->rx_missed_errors);
209 dev_info(&pf->pdev->dev,
210 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
211 (unsigned long int)nstat->tx_aborted_errors,
212 (unsigned long int)nstat->tx_carrier_errors,
213 (unsigned long int)nstat->tx_fifo_errors);
214 dev_info(&pf->pdev->dev,
215 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
216 (unsigned long int)nstat->tx_heartbeat_errors,
217 (unsigned long int)nstat->tx_window_errors);
218 dev_info(&pf->pdev->dev,
219 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
220 (unsigned long int)nstat->rx_compressed,
221 (unsigned long int)nstat->tx_compressed);
222 dev_info(&pf->pdev->dev,
223 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
224 (unsigned long int)vsi->net_stats_offsets.rx_packets,
225 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
226 (unsigned long int)vsi->net_stats_offsets.rx_errors,
227 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
228 dev_info(&pf->pdev->dev,
229 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
230 (unsigned long int)vsi->net_stats_offsets.tx_packets,
231 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
232 (unsigned long int)vsi->net_stats_offsets.tx_errors,
233 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
234 dev_info(&pf->pdev->dev,
235 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
236 (unsigned long int)vsi->net_stats_offsets.multicast,
237 (unsigned long int)vsi->net_stats_offsets.collisions);
238 dev_info(&pf->pdev->dev,
239 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
240 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
241 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
242 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
243 dev_info(&pf->pdev->dev,
244 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
245 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
246 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
247 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
248 dev_info(&pf->pdev->dev,
249 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
250 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
251 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
252 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
253 dev_info(&pf->pdev->dev,
254 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
255 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
256 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
257 dev_info(&pf->pdev->dev,
258 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
259 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
260 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
261 dev_info(&pf->pdev->dev,
262 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
263 vsi->tx_restart, vsi->tx_busy,
264 vsi->rx_buf_failed, vsi->rx_page_failed);
265 rcu_read_lock();
266 for (i = 0; i < vsi->num_queue_pairs; i++) {
267 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
268
269 if (!rx_ring)
270 continue;
271
272 dev_info(&pf->pdev->dev,
273 " rx_rings[%i]: desc = %p\n",
274 i, rx_ring->desc);
275 dev_info(&pf->pdev->dev,
276 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
277 i, rx_ring->dev,
278 rx_ring->netdev,
279 rx_ring->rx_bi);
280 dev_info(&pf->pdev->dev,
281 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
282 i, rx_ring->state,
283 rx_ring->queue_index,
284 rx_ring->reg_idx);
285 dev_info(&pf->pdev->dev,
286 " rx_rings[%i]: rx_buf_len = %d\n",
287 i, rx_ring->rx_buf_len);
288 dev_info(&pf->pdev->dev,
289 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
290 i,
291 rx_ring->next_to_use,
292 rx_ring->next_to_clean,
293 rx_ring->ring_active);
294 dev_info(&pf->pdev->dev,
295 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
296 i, rx_ring->stats.packets,
297 rx_ring->stats.bytes,
298 rx_ring->rx_stats.non_eop_descs);
299 dev_info(&pf->pdev->dev,
300 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
301 i,
302 rx_ring->rx_stats.alloc_page_failed,
303 rx_ring->rx_stats.alloc_buff_failed);
304 dev_info(&pf->pdev->dev,
305 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
306 i,
307 rx_ring->rx_stats.realloc_count,
308 rx_ring->rx_stats.page_reuse_count);
309 dev_info(&pf->pdev->dev,
310 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
311 i, rx_ring->size,
312 (unsigned long int)rx_ring->dma);
313 dev_info(&pf->pdev->dev,
314 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
315 i, rx_ring->vsi,
316 rx_ring->q_vector);
317 dev_info(&pf->pdev->dev,
318 " rx_rings[%i]: rx_itr_setting = %d (%s)\n",
319 i, rx_ring->rx_itr_setting,
320 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
321 }
322 for (i = 0; i < vsi->num_queue_pairs; i++) {
323 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
324
325 if (!tx_ring)
326 continue;
327
328 dev_info(&pf->pdev->dev,
329 " tx_rings[%i]: desc = %p\n",
330 i, tx_ring->desc);
331 dev_info(&pf->pdev->dev,
332 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
333 i, tx_ring->dev,
334 tx_ring->netdev,
335 tx_ring->tx_bi);
336 dev_info(&pf->pdev->dev,
337 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
338 i, tx_ring->state,
339 tx_ring->queue_index,
340 tx_ring->reg_idx);
341 dev_info(&pf->pdev->dev,
342 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
343 i,
344 tx_ring->next_to_use,
345 tx_ring->next_to_clean,
346 tx_ring->ring_active);
347 dev_info(&pf->pdev->dev,
348 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
349 i, tx_ring->stats.packets,
350 tx_ring->stats.bytes,
351 tx_ring->tx_stats.restart_queue);
352 dev_info(&pf->pdev->dev,
353 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
354 i,
355 tx_ring->tx_stats.tx_busy,
356 tx_ring->tx_stats.tx_done_old);
357 dev_info(&pf->pdev->dev,
358 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
359 i, tx_ring->size,
360 (unsigned long int)tx_ring->dma);
361 dev_info(&pf->pdev->dev,
362 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
363 i, tx_ring->vsi,
364 tx_ring->q_vector);
365 dev_info(&pf->pdev->dev,
366 " tx_rings[%i]: DCB tc = %d\n",
367 i, tx_ring->dcb_tc);
368 dev_info(&pf->pdev->dev,
369 " tx_rings[%i]: tx_itr_setting = %d (%s)\n",
370 i, tx_ring->tx_itr_setting,
371 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
372 }
373 rcu_read_unlock();
374 dev_info(&pf->pdev->dev,
375 " work_limit = %d\n",
376 vsi->work_limit);
377 dev_info(&pf->pdev->dev,
378 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
379 vsi->max_frame, vsi->rx_buf_len, 0);
380 dev_info(&pf->pdev->dev,
381 " num_q_vectors = %i, base_vector = %i\n",
382 vsi->num_q_vectors, vsi->base_vector);
383 dev_info(&pf->pdev->dev,
384 " seid = %d, id = %d, uplink_seid = %d\n",
385 vsi->seid, vsi->id, vsi->uplink_seid);
386 dev_info(&pf->pdev->dev,
387 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
388 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
389 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
390 if (vsi->type == I40E_VSI_SRIOV)
391 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
392 dev_info(&pf->pdev->dev,
393 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
394 vsi->info.valid_sections, vsi->info.switch_id);
395 dev_info(&pf->pdev->dev,
396 " info: sw_reserved[] = 0x%02x 0x%02x\n",
397 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
398 dev_info(&pf->pdev->dev,
399 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
400 vsi->info.sec_flags, vsi->info.sec_reserved);
401 dev_info(&pf->pdev->dev,
402 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
403 vsi->info.pvid, vsi->info.fcoe_pvid,
404 vsi->info.port_vlan_flags);
405 dev_info(&pf->pdev->dev,
406 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
407 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
408 vsi->info.pvlan_reserved[2]);
409 dev_info(&pf->pdev->dev,
410 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
411 vsi->info.ingress_table, vsi->info.egress_table);
412 dev_info(&pf->pdev->dev,
413 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
414 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
415 vsi->info.cas_pv_reserved);
416 dev_info(&pf->pdev->dev,
417 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
418 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
419 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
420 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
421 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
422 dev_info(&pf->pdev->dev,
423 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
424 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
425 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
426 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
427 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
428 dev_info(&pf->pdev->dev,
429 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
430 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
431 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
432 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
433 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
434 dev_info(&pf->pdev->dev,
435 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
436 vsi->info.queueing_opt_flags,
437 vsi->info.queueing_opt_reserved[0],
438 vsi->info.queueing_opt_reserved[1],
439 vsi->info.queueing_opt_reserved[2]);
440 dev_info(&pf->pdev->dev,
441 " info: up_enable_bits = 0x%02x\n",
442 vsi->info.up_enable_bits);
443 dev_info(&pf->pdev->dev,
444 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
445 vsi->info.sched_reserved, vsi->info.outer_up_table);
446 dev_info(&pf->pdev->dev,
447 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
448 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
449 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
450 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
451 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
452 dev_info(&pf->pdev->dev,
453 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
454 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
455 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
456 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
457 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
458 dev_info(&pf->pdev->dev,
459 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
460 vsi->info.stat_counter_idx, vsi->info.sched_id);
461 dev_info(&pf->pdev->dev,
462 " 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",
463 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
464 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
465 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
466 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
467 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
468 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
469 if (vsi->back)
470 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
471 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
472 dev_info(&pf->pdev->dev,
473 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
474 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
475 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
476 dev_info(&pf->pdev->dev,
477 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
478 i, vsi->tc_config.tc_info[i].qoffset,
479 vsi->tc_config.tc_info[i].qcount,
480 vsi->tc_config.tc_info[i].netdev_tc);
481 }
482 dev_info(&pf->pdev->dev,
483 " bw: bw_limit = %d, bw_max_quanta = %d\n",
484 vsi->bw_limit, vsi->bw_max_quanta);
485 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
486 dev_info(&pf->pdev->dev,
487 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
488 i, vsi->bw_ets_share_credits[i],
489 vsi->bw_ets_limit_credits[i],
490 vsi->bw_ets_max_quanta[i]);
491 }
492}
493
494
495
496
497
498static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
499{
500 struct i40e_adminq_ring *ring;
501 struct i40e_hw *hw = &pf->hw;
502 char hdr[32];
503 int i;
504
505 snprintf(hdr, sizeof(hdr), "%s %s: ",
506 dev_driver_string(&pf->pdev->dev),
507 dev_name(&pf->pdev->dev));
508
509
510 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
511 ring = &(hw->aq.asq);
512 for (i = 0; i < ring->count; i++) {
513 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
514
515 dev_info(&pf->pdev->dev,
516 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
517 i, d->flags, d->opcode, d->datalen, d->retval,
518 d->cookie_high, d->cookie_low);
519 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
520 16, 1, d->params.raw, 16, 0);
521 }
522
523 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
524 ring = &(hw->aq.arq);
525 for (i = 0; i < ring->count; i++) {
526 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
527
528 dev_info(&pf->pdev->dev,
529 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
530 i, d->flags, d->opcode, d->datalen, d->retval,
531 d->cookie_high, d->cookie_low);
532 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
533 16, 1, d->params.raw, 16, 0);
534 }
535}
536
537
538
539
540
541
542
543
544
545
546static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
547 struct i40e_pf *pf, bool is_rx_ring)
548{
549 struct i40e_tx_desc *txd;
550 union i40e_rx_desc *rxd;
551 struct i40e_ring *ring;
552 struct i40e_vsi *vsi;
553 int i;
554
555 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
556 if (!vsi) {
557 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
558 return;
559 }
560 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
561 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
562 return;
563 }
564 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
565 dev_info(&pf->pdev->dev,
566 "descriptor rings have not been allocated for vsi %d\n",
567 vsi_seid);
568 return;
569 }
570
571 ring = kmemdup(is_rx_ring
572 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
573 sizeof(*ring), GFP_KERNEL);
574 if (!ring)
575 return;
576
577 if (cnt == 2) {
578 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
579 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
580 for (i = 0; i < ring->count; i++) {
581 if (!is_rx_ring) {
582 txd = I40E_TX_DESC(ring, i);
583 dev_info(&pf->pdev->dev,
584 " d[%03x] = 0x%016llx 0x%016llx\n",
585 i, txd->buffer_addr,
586 txd->cmd_type_offset_bsz);
587 } else {
588 rxd = I40E_RX_DESC(ring, i);
589 dev_info(&pf->pdev->dev,
590 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
591 i, rxd->read.pkt_addr,
592 rxd->read.hdr_addr,
593 rxd->read.rsvd1, rxd->read.rsvd2);
594 }
595 }
596 } else if (cnt == 3) {
597 if (desc_n >= ring->count || desc_n < 0) {
598 dev_info(&pf->pdev->dev,
599 "descriptor %d not found\n", desc_n);
600 goto out;
601 }
602 if (!is_rx_ring) {
603 txd = I40E_TX_DESC(ring, desc_n);
604 dev_info(&pf->pdev->dev,
605 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
606 vsi_seid, ring_id, desc_n,
607 txd->buffer_addr, txd->cmd_type_offset_bsz);
608 } else {
609 rxd = I40E_RX_DESC(ring, desc_n);
610 dev_info(&pf->pdev->dev,
611 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
612 vsi_seid, ring_id, desc_n,
613 rxd->read.pkt_addr, rxd->read.hdr_addr,
614 rxd->read.rsvd1, rxd->read.rsvd2);
615 }
616 } else {
617 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
618 }
619
620out:
621 kfree(ring);
622}
623
624
625
626
627
628static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
629{
630 int i;
631
632 for (i = 0; i < pf->num_alloc_vsi; i++)
633 if (pf->vsi[i])
634 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
635 i, pf->vsi[i]->seid);
636}
637
638
639
640
641
642
643static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
644 struct i40e_eth_stats *estats)
645{
646 dev_info(&pf->pdev->dev, " ethstats:\n");
647 dev_info(&pf->pdev->dev,
648 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
649 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
650 dev_info(&pf->pdev->dev,
651 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
652 estats->rx_broadcast, estats->rx_discards);
653 dev_info(&pf->pdev->dev,
654 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
655 estats->rx_unknown_protocol, estats->tx_bytes);
656 dev_info(&pf->pdev->dev,
657 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
658 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
659 dev_info(&pf->pdev->dev,
660 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
661 estats->tx_discards, estats->tx_errors);
662}
663
664
665
666
667
668
669static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
670{
671 struct i40e_veb *veb;
672
673 veb = i40e_dbg_find_veb(pf, seid);
674 if (!veb) {
675 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
676 return;
677 }
678 dev_info(&pf->pdev->dev,
679 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
680 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
681 veb->uplink_seid,
682 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
683 i40e_dbg_dump_eth_stats(pf, &veb->stats);
684}
685
686
687
688
689
690static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
691{
692 struct i40e_veb *veb;
693 int i;
694
695 for (i = 0; i < I40E_MAX_VEB; i++) {
696 veb = pf->veb[i];
697 if (veb)
698 i40e_dbg_dump_veb_seid(pf, veb->seid);
699 }
700}
701
702
703
704
705
706
707static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
708{
709 struct i40e_vf *vf;
710 struct i40e_vsi *vsi;
711
712 if (!pf->num_alloc_vfs) {
713 dev_info(&pf->pdev->dev, "no VFs allocated\n");
714 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
715 vf = &pf->vf[vf_id];
716 vsi = pf->vsi[vf->lan_vsi_idx];
717 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
718 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
719 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
720 vf->num_mdd_events,
721 vf->num_invalid_msgs,
722 vf->num_valid_msgs);
723 } else {
724 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
725 }
726}
727
728
729
730
731
732static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
733{
734 int i;
735
736 if (!pf->num_alloc_vfs)
737 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
738 else
739 for (i = 0; i < pf->num_alloc_vfs; i++)
740 i40e_dbg_dump_vf(pf, i);
741}
742
743#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
744
745
746
747
748
749
750
751static ssize_t i40e_dbg_command_write(struct file *filp,
752 const char __user *buffer,
753 size_t count, loff_t *ppos)
754{
755 struct i40e_pf *pf = filp->private_data;
756 char *cmd_buf, *cmd_buf_tmp;
757 int bytes_not_copied;
758 struct i40e_vsi *vsi;
759 int vsi_seid;
760 int veb_seid;
761 int vf_id;
762 int cnt;
763
764
765 if (*ppos != 0)
766 return 0;
767
768 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
769 if (!cmd_buf)
770 return count;
771 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
772 if (bytes_not_copied) {
773 kfree(cmd_buf);
774 return -EFAULT;
775 }
776 cmd_buf[count] = '\0';
777
778 cmd_buf_tmp = strchr(cmd_buf, '\n');
779 if (cmd_buf_tmp) {
780 *cmd_buf_tmp = '\0';
781 count = cmd_buf_tmp - cmd_buf + 1;
782 }
783
784 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
785 vsi_seid = -1;
786 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
787 if (cnt == 0) {
788
789 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
790 } else if (vsi_seid < 0) {
791 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
792 vsi_seid);
793 goto command_write_done;
794 }
795
796
797
798
799 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
800 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
801 i40e_do_reset_safe(pf,
802 BIT_ULL(__I40E_PF_RESET_REQUESTED));
803 }
804
805 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
806 if (vsi)
807 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
808 vsi->seid, vsi->uplink_seid);
809 else
810 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
811
812 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
813 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
814 if (cnt != 1) {
815 dev_info(&pf->pdev->dev,
816 "del vsi: bad command string, cnt=%d\n",
817 cnt);
818 goto command_write_done;
819 }
820 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
821 if (!vsi) {
822 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
823 vsi_seid);
824 goto command_write_done;
825 }
826
827 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
828 i40e_vsi_release(vsi);
829
830 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
831 struct i40e_veb *veb;
832 int uplink_seid, i;
833
834 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
835 if (cnt != 2) {
836 dev_info(&pf->pdev->dev,
837 "add relay: bad command string, cnt=%d\n",
838 cnt);
839 goto command_write_done;
840 } else if (uplink_seid < 0) {
841 dev_info(&pf->pdev->dev,
842 "add relay %d: bad uplink seid\n",
843 uplink_seid);
844 goto command_write_done;
845 }
846
847 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
848 if (!vsi) {
849 dev_info(&pf->pdev->dev,
850 "add relay: VSI %d not found\n", vsi_seid);
851 goto command_write_done;
852 }
853
854 for (i = 0; i < I40E_MAX_VEB; i++)
855 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
856 break;
857 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
858 uplink_seid != pf->mac_seid) {
859 dev_info(&pf->pdev->dev,
860 "add relay: relay uplink %d not found\n",
861 uplink_seid);
862 goto command_write_done;
863 }
864
865 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
866 vsi->tc_config.enabled_tc);
867 if (veb)
868 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
869 else
870 dev_info(&pf->pdev->dev, "add relay failed\n");
871
872 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
873 int i;
874 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
875 if (cnt != 1) {
876 dev_info(&pf->pdev->dev,
877 "del relay: bad command string, cnt=%d\n",
878 cnt);
879 goto command_write_done;
880 } else if (veb_seid < 0) {
881 dev_info(&pf->pdev->dev,
882 "del relay %d: bad relay seid\n", veb_seid);
883 goto command_write_done;
884 }
885
886
887 for (i = 0; i < I40E_MAX_VEB; i++)
888 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
889 break;
890 if (i >= I40E_MAX_VEB) {
891 dev_info(&pf->pdev->dev,
892 "del relay: relay %d not found\n", veb_seid);
893 goto command_write_done;
894 }
895
896 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
897 i40e_veb_release(pf->veb[i]);
898 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
899 i40e_status ret;
900 u16 vid;
901 unsigned int v;
902
903 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
904 if (cnt != 2) {
905 dev_info(&pf->pdev->dev,
906 "add pvid: bad command string, cnt=%d\n", cnt);
907 goto command_write_done;
908 }
909
910 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
911 if (!vsi) {
912 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
913 vsi_seid);
914 goto command_write_done;
915 }
916
917 vid = v;
918 ret = i40e_vsi_add_pvid(vsi, vid);
919 if (!ret)
920 dev_info(&pf->pdev->dev,
921 "add pvid: %d added to VSI %d\n",
922 vid, vsi_seid);
923 else
924 dev_info(&pf->pdev->dev,
925 "add pvid: %d to VSI %d failed, ret=%d\n",
926 vid, vsi_seid, ret);
927
928 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
929
930 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
931 if (cnt != 1) {
932 dev_info(&pf->pdev->dev,
933 "del pvid: bad command string, cnt=%d\n",
934 cnt);
935 goto command_write_done;
936 }
937
938 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
939 if (!vsi) {
940 dev_info(&pf->pdev->dev,
941 "del pvid: VSI %d not found\n", vsi_seid);
942 goto command_write_done;
943 }
944
945 i40e_vsi_remove_pvid(vsi);
946 dev_info(&pf->pdev->dev,
947 "del pvid: removed from VSI %d\n", vsi_seid);
948
949 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
950 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
951 i40e_fetch_switch_configuration(pf, true);
952 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
953 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
954 if (cnt > 0)
955 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
956 else
957 i40e_dbg_dump_vsi_no_seid(pf);
958 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
959 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
960 if (cnt > 0)
961 i40e_dbg_dump_veb_seid(pf, vsi_seid);
962 else
963 i40e_dbg_dump_veb_all(pf);
964 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
965 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
966 if (cnt > 0)
967 i40e_dbg_dump_vf(pf, vf_id);
968 else
969 i40e_dbg_dump_vf_all(pf);
970 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
971 int ring_id, desc_n;
972 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
973 cnt = sscanf(&cmd_buf[12], "%i %i %i",
974 &vsi_seid, &ring_id, &desc_n);
975 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
976 desc_n, pf, true);
977 } else if (strncmp(&cmd_buf[10], "tx", 2)
978 == 0) {
979 cnt = sscanf(&cmd_buf[12], "%i %i %i",
980 &vsi_seid, &ring_id, &desc_n);
981 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
982 desc_n, pf, false);
983 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
984 i40e_dbg_dump_aq_desc(pf);
985 } else {
986 dev_info(&pf->pdev->dev,
987 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
988 dev_info(&pf->pdev->dev,
989 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
990 dev_info(&pf->pdev->dev, "dump desc aq\n");
991 }
992 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
993 dev_info(&pf->pdev->dev,
994 "core reset count: %d\n", pf->corer_count);
995 dev_info(&pf->pdev->dev,
996 "global reset count: %d\n", pf->globr_count);
997 dev_info(&pf->pdev->dev,
998 "emp reset count: %d\n", pf->empr_count);
999 dev_info(&pf->pdev->dev,
1000 "pf reset count: %d\n", pf->pfr_count);
1001 dev_info(&pf->pdev->dev,
1002 "pf tx sluggish count: %d\n",
1003 pf->tx_sluggish_count);
1004 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1005 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1006 struct i40e_dcbx_config *cfg =
1007 &pf->hw.local_dcbx_config;
1008 struct i40e_dcbx_config *r_cfg =
1009 &pf->hw.remote_dcbx_config;
1010 int i, ret;
1011 u16 switch_id;
1012
1013 bw_data = kzalloc(sizeof(
1014 struct i40e_aqc_query_port_ets_config_resp),
1015 GFP_KERNEL);
1016 if (!bw_data) {
1017 ret = -ENOMEM;
1018 goto command_write_done;
1019 }
1020
1021 vsi = pf->vsi[pf->lan_vsi];
1022 switch_id =
1023 le16_to_cpu(vsi->info.switch_id) &
1024 I40E_AQ_VSI_SW_ID_MASK;
1025
1026 ret = i40e_aq_query_port_ets_config(&pf->hw,
1027 switch_id,
1028 bw_data, NULL);
1029 if (ret) {
1030 dev_info(&pf->pdev->dev,
1031 "Query Port ETS Config AQ command failed =0x%x\n",
1032 pf->hw.aq.asq_last_status);
1033 kfree(bw_data);
1034 bw_data = NULL;
1035 goto command_write_done;
1036 }
1037 dev_info(&pf->pdev->dev,
1038 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1039 bw_data->tc_valid_bits,
1040 bw_data->tc_strict_priority_bits,
1041 le16_to_cpu(bw_data->tc_bw_max[0]),
1042 le16_to_cpu(bw_data->tc_bw_max[1]));
1043 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1044 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1045 bw_data->tc_bw_share_credits[i],
1046 le16_to_cpu(bw_data->tc_bw_limits[i]));
1047 }
1048
1049 kfree(bw_data);
1050 bw_data = NULL;
1051
1052 dev_info(&pf->pdev->dev,
1053 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1054 dev_info(&pf->pdev->dev,
1055 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1056 cfg->etscfg.willing, cfg->etscfg.cbs,
1057 cfg->etscfg.maxtcs);
1058 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1059 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1060 i, cfg->etscfg.prioritytable[i],
1061 cfg->etscfg.tcbwtable[i],
1062 cfg->etscfg.tsatable[i]);
1063 }
1064 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1065 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1066 i, cfg->etsrec.prioritytable[i],
1067 cfg->etsrec.tcbwtable[i],
1068 cfg->etsrec.tsatable[i]);
1069 }
1070 dev_info(&pf->pdev->dev,
1071 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1072 cfg->pfc.willing, cfg->pfc.mbc,
1073 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1074 dev_info(&pf->pdev->dev,
1075 "port app_table: num_apps=%d\n", cfg->numapps);
1076 for (i = 0; i < cfg->numapps; i++) {
1077 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1078 i, cfg->app[i].priority,
1079 cfg->app[i].selector,
1080 cfg->app[i].protocolid);
1081 }
1082
1083 dev_info(&pf->pdev->dev,
1084 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1085 r_cfg->etscfg.willing,
1086 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1087 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1088 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1089 i, r_cfg->etscfg.prioritytable[i],
1090 r_cfg->etscfg.tcbwtable[i],
1091 r_cfg->etscfg.tsatable[i]);
1092 }
1093 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1094 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1095 i, r_cfg->etsrec.prioritytable[i],
1096 r_cfg->etsrec.tcbwtable[i],
1097 r_cfg->etsrec.tsatable[i]);
1098 }
1099 dev_info(&pf->pdev->dev,
1100 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1101 r_cfg->pfc.willing,
1102 r_cfg->pfc.mbc,
1103 r_cfg->pfc.pfccap,
1104 r_cfg->pfc.pfcenable);
1105 dev_info(&pf->pdev->dev,
1106 "remote port app_table: num_apps=%d\n",
1107 r_cfg->numapps);
1108 for (i = 0; i < r_cfg->numapps; i++) {
1109 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1110 i, r_cfg->app[i].priority,
1111 r_cfg->app[i].selector,
1112 r_cfg->app[i].protocolid);
1113 }
1114 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1115 int cluster_id, table_id;
1116 int index, ret;
1117 u16 buff_len = 4096;
1118 u32 next_index;
1119 u8 next_table;
1120 u8 *buff;
1121 u16 rlen;
1122
1123 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1124 &cluster_id, &table_id, &index);
1125 if (cnt != 3) {
1126 dev_info(&pf->pdev->dev,
1127 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1128 goto command_write_done;
1129 }
1130
1131 dev_info(&pf->pdev->dev,
1132 "AQ debug dump fwdata params %x %x %x %x\n",
1133 cluster_id, table_id, index, buff_len);
1134 buff = kzalloc(buff_len, GFP_KERNEL);
1135 if (!buff)
1136 goto command_write_done;
1137
1138 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1139 index, buff_len, buff, &rlen,
1140 &next_table, &next_index,
1141 NULL);
1142 if (ret) {
1143 dev_info(&pf->pdev->dev,
1144 "debug dump fwdata AQ Failed %d 0x%x\n",
1145 ret, pf->hw.aq.asq_last_status);
1146 kfree(buff);
1147 buff = NULL;
1148 goto command_write_done;
1149 }
1150 dev_info(&pf->pdev->dev,
1151 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1152 rlen, next_table, next_index);
1153 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1154 DUMP_PREFIX_OFFSET, 16, 1,
1155 buff, rlen, true);
1156 kfree(buff);
1157 buff = NULL;
1158 } else {
1159 dev_info(&pf->pdev->dev,
1160 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1161 dev_info(&pf->pdev->dev, "dump switch\n");
1162 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1163 dev_info(&pf->pdev->dev, "dump reset stats\n");
1164 dev_info(&pf->pdev->dev, "dump port\n");
1165 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1166 dev_info(&pf->pdev->dev,
1167 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1168 }
1169 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1170 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1171 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1172
1173 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1174 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1175 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1176
1177 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1178 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1179 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1180
1181 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1182 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1183 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1184
1185 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1186 u32 address;
1187 u32 value;
1188
1189 cnt = sscanf(&cmd_buf[4], "%i", &address);
1190 if (cnt != 1) {
1191 dev_info(&pf->pdev->dev, "read <reg>\n");
1192 goto command_write_done;
1193 }
1194
1195
1196 if (address > (pf->ioremap_len - sizeof(u32))) {
1197 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1198 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1199 goto command_write_done;
1200 }
1201
1202 value = rd32(&pf->hw, address);
1203 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1204 address, value);
1205
1206 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1207 u32 address, value;
1208
1209 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1210 if (cnt != 2) {
1211 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1212 goto command_write_done;
1213 }
1214
1215
1216 if (address > (pf->ioremap_len - sizeof(u32))) {
1217 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1218 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1219 goto command_write_done;
1220 }
1221 wr32(&pf->hw, address, value);
1222 value = rd32(&pf->hw, address);
1223 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1224 address, value);
1225 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1226 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1227 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1228 if (cnt == 0) {
1229 int i;
1230
1231 for (i = 0; i < pf->num_alloc_vsi; i++)
1232 i40e_vsi_reset_stats(pf->vsi[i]);
1233 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1234 } else if (cnt == 1) {
1235 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1236 if (!vsi) {
1237 dev_info(&pf->pdev->dev,
1238 "clear_stats vsi: bad vsi %d\n",
1239 vsi_seid);
1240 goto command_write_done;
1241 }
1242 i40e_vsi_reset_stats(vsi);
1243 dev_info(&pf->pdev->dev,
1244 "vsi clear stats called for vsi %d\n",
1245 vsi_seid);
1246 } else {
1247 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1248 }
1249 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1250 if (pf->hw.partition_id == 1) {
1251 i40e_pf_reset_stats(pf);
1252 dev_info(&pf->pdev->dev, "port stats cleared\n");
1253 } else {
1254 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1255 }
1256 } else {
1257 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1258 }
1259 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1260 struct i40e_aq_desc *desc;
1261 i40e_status ret;
1262
1263 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1264 if (!desc)
1265 goto command_write_done;
1266 cnt = sscanf(&cmd_buf[11],
1267 "%hi %hi %hi %hi %i %i %i %i %i %i",
1268 &desc->flags,
1269 &desc->opcode, &desc->datalen, &desc->retval,
1270 &desc->cookie_high, &desc->cookie_low,
1271 &desc->params.internal.param0,
1272 &desc->params.internal.param1,
1273 &desc->params.internal.param2,
1274 &desc->params.internal.param3);
1275 if (cnt != 10) {
1276 dev_info(&pf->pdev->dev,
1277 "send aq_cmd: bad command string, cnt=%d\n",
1278 cnt);
1279 kfree(desc);
1280 desc = NULL;
1281 goto command_write_done;
1282 }
1283 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1284 if (!ret) {
1285 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1286 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1287 dev_info(&pf->pdev->dev,
1288 "AQ command send failed Opcode %x AQ Error: %d\n",
1289 desc->opcode, pf->hw.aq.asq_last_status);
1290 } else {
1291 dev_info(&pf->pdev->dev,
1292 "AQ command send failed Opcode %x Status: %d\n",
1293 desc->opcode, ret);
1294 }
1295 dev_info(&pf->pdev->dev,
1296 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1297 desc->flags, desc->opcode, desc->datalen, desc->retval,
1298 desc->cookie_high, desc->cookie_low,
1299 desc->params.internal.param0,
1300 desc->params.internal.param1,
1301 desc->params.internal.param2,
1302 desc->params.internal.param3);
1303 kfree(desc);
1304 desc = NULL;
1305 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1306 struct i40e_aq_desc *desc;
1307 i40e_status ret;
1308 u16 buffer_len;
1309 u8 *buff;
1310
1311 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1312 if (!desc)
1313 goto command_write_done;
1314 cnt = sscanf(&cmd_buf[20],
1315 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1316 &desc->flags,
1317 &desc->opcode, &desc->datalen, &desc->retval,
1318 &desc->cookie_high, &desc->cookie_low,
1319 &desc->params.internal.param0,
1320 &desc->params.internal.param1,
1321 &desc->params.internal.param2,
1322 &desc->params.internal.param3,
1323 &buffer_len);
1324 if (cnt != 11) {
1325 dev_info(&pf->pdev->dev,
1326 "send indirect aq_cmd: bad command string, cnt=%d\n",
1327 cnt);
1328 kfree(desc);
1329 desc = NULL;
1330 goto command_write_done;
1331 }
1332
1333 if (buffer_len == 0)
1334 buffer_len = 1280;
1335
1336 buff = kzalloc(buffer_len, GFP_KERNEL);
1337 if (!buff) {
1338 kfree(desc);
1339 desc = NULL;
1340 goto command_write_done;
1341 }
1342 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1343 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1344 buffer_len, NULL);
1345 if (!ret) {
1346 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1347 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1348 dev_info(&pf->pdev->dev,
1349 "AQ command send failed Opcode %x AQ Error: %d\n",
1350 desc->opcode, pf->hw.aq.asq_last_status);
1351 } else {
1352 dev_info(&pf->pdev->dev,
1353 "AQ command send failed Opcode %x Status: %d\n",
1354 desc->opcode, ret);
1355 }
1356 dev_info(&pf->pdev->dev,
1357 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1358 desc->flags, desc->opcode, desc->datalen, desc->retval,
1359 desc->cookie_high, desc->cookie_low,
1360 desc->params.internal.param0,
1361 desc->params.internal.param1,
1362 desc->params.internal.param2,
1363 desc->params.internal.param3);
1364 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1365 DUMP_PREFIX_OFFSET, 16, 1,
1366 buff, buffer_len, true);
1367 kfree(buff);
1368 buff = NULL;
1369 kfree(desc);
1370 desc = NULL;
1371 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1372 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1373 i40e_get_current_fd_count(pf));
1374 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1375 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1376 int ret;
1377
1378 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1379 if (ret) {
1380 dev_info(&pf->pdev->dev,
1381 "Stop LLDP AQ command failed =0x%x\n",
1382 pf->hw.aq.asq_last_status);
1383 goto command_write_done;
1384 }
1385 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1386 pf->hw.mac.addr,
1387 I40E_ETH_P_LLDP, 0,
1388 pf->vsi[pf->lan_vsi]->seid,
1389 0, true, NULL, NULL);
1390 if (ret) {
1391 dev_info(&pf->pdev->dev,
1392 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1393 __func__, pf->hw.aq.asq_last_status);
1394 goto command_write_done;
1395 }
1396#ifdef CONFIG_I40E_DCB
1397 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1398 DCB_CAP_DCBX_VER_IEEE;
1399#endif
1400 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1401 int ret;
1402
1403 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1404 pf->hw.mac.addr,
1405 I40E_ETH_P_LLDP, 0,
1406 pf->vsi[pf->lan_vsi]->seid,
1407 0, false, NULL, NULL);
1408 if (ret) {
1409 dev_info(&pf->pdev->dev,
1410 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1411 __func__, pf->hw.aq.asq_last_status);
1412
1413 }
1414
1415 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1416 if (ret) {
1417 dev_info(&pf->pdev->dev,
1418 "Start LLDP AQ command failed =0x%x\n",
1419 pf->hw.aq.asq_last_status);
1420 goto command_write_done;
1421 }
1422#ifdef CONFIG_I40E_DCB
1423 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1424 DCB_CAP_DCBX_VER_IEEE;
1425#endif
1426 } else if (strncmp(&cmd_buf[5],
1427 "get local", 9) == 0) {
1428 u16 llen, rlen;
1429 int ret;
1430 u8 *buff;
1431
1432 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1433 if (!buff)
1434 goto command_write_done;
1435
1436 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1437 I40E_AQ_LLDP_MIB_LOCAL,
1438 buff, I40E_LLDPDU_SIZE,
1439 &llen, &rlen, NULL);
1440 if (ret) {
1441 dev_info(&pf->pdev->dev,
1442 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1443 pf->hw.aq.asq_last_status);
1444 kfree(buff);
1445 buff = NULL;
1446 goto command_write_done;
1447 }
1448 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1449 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1450 DUMP_PREFIX_OFFSET, 16, 1,
1451 buff, I40E_LLDPDU_SIZE, true);
1452 kfree(buff);
1453 buff = NULL;
1454 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1455 u16 llen, rlen;
1456 int ret;
1457 u8 *buff;
1458
1459 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1460 if (!buff)
1461 goto command_write_done;
1462
1463 ret = i40e_aq_get_lldp_mib(&pf->hw,
1464 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1465 I40E_AQ_LLDP_MIB_REMOTE,
1466 buff, I40E_LLDPDU_SIZE,
1467 &llen, &rlen, NULL);
1468 if (ret) {
1469 dev_info(&pf->pdev->dev,
1470 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1471 pf->hw.aq.asq_last_status);
1472 kfree(buff);
1473 buff = NULL;
1474 goto command_write_done;
1475 }
1476 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1477 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1478 DUMP_PREFIX_OFFSET, 16, 1,
1479 buff, I40E_LLDPDU_SIZE, true);
1480 kfree(buff);
1481 buff = NULL;
1482 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1483 int ret;
1484
1485 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1486 true, NULL);
1487 if (ret) {
1488 dev_info(&pf->pdev->dev,
1489 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1490 pf->hw.aq.asq_last_status);
1491 goto command_write_done;
1492 }
1493 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1494 int ret;
1495
1496 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1497 false, NULL);
1498 if (ret) {
1499 dev_info(&pf->pdev->dev,
1500 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1501 pf->hw.aq.asq_last_status);
1502 goto command_write_done;
1503 }
1504 }
1505 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1506 u16 buffer_len, bytes;
1507 u16 module;
1508 u32 offset;
1509 u16 *buff;
1510 int ret;
1511
1512 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1513 &module, &offset, &buffer_len);
1514 if (cnt == 0) {
1515 module = 0;
1516 offset = 0;
1517 buffer_len = 0;
1518 } else if (cnt == 1) {
1519 offset = 0;
1520 buffer_len = 0;
1521 } else if (cnt == 2) {
1522 buffer_len = 0;
1523 } else if (cnt > 3) {
1524 dev_info(&pf->pdev->dev,
1525 "nvm read: bad command string, cnt=%d\n", cnt);
1526 goto command_write_done;
1527 }
1528
1529
1530 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1531
1532 bytes = 2 * buffer_len;
1533
1534
1535 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1536 buff = kzalloc(bytes, GFP_KERNEL);
1537 if (!buff)
1538 goto command_write_done;
1539
1540 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1541 if (ret) {
1542 dev_info(&pf->pdev->dev,
1543 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1544 ret, pf->hw.aq.asq_last_status);
1545 kfree(buff);
1546 goto command_write_done;
1547 }
1548
1549 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1550 bytes, (u8 *)buff, true, NULL);
1551 i40e_release_nvm(&pf->hw);
1552 if (ret) {
1553 dev_info(&pf->pdev->dev,
1554 "Read NVM AQ failed err=%d status=0x%x\n",
1555 ret, pf->hw.aq.asq_last_status);
1556 } else {
1557 dev_info(&pf->pdev->dev,
1558 "Read NVM module=0x%x offset=0x%x words=%d\n",
1559 module, offset, buffer_len);
1560 if (bytes)
1561 print_hex_dump(KERN_INFO, "NVM Dump: ",
1562 DUMP_PREFIX_OFFSET, 16, 2,
1563 buff, bytes, true);
1564 }
1565 kfree(buff);
1566 buff = NULL;
1567 } else {
1568 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1569 dev_info(&pf->pdev->dev, "available commands\n");
1570 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1571 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1572 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1573 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1574 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1575 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1576 dev_info(&pf->pdev->dev, " dump switch\n");
1577 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1578 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1579 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1580 dev_info(&pf->pdev->dev, " dump desc aq\n");
1581 dev_info(&pf->pdev->dev, " dump reset stats\n");
1582 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1583 dev_info(&pf->pdev->dev, " read <reg>\n");
1584 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1585 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1586 dev_info(&pf->pdev->dev, " clear_stats port\n");
1587 dev_info(&pf->pdev->dev, " pfr\n");
1588 dev_info(&pf->pdev->dev, " corer\n");
1589 dev_info(&pf->pdev->dev, " globr\n");
1590 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1591 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1592 dev_info(&pf->pdev->dev, " fd current cnt");
1593 dev_info(&pf->pdev->dev, " lldp start\n");
1594 dev_info(&pf->pdev->dev, " lldp stop\n");
1595 dev_info(&pf->pdev->dev, " lldp get local\n");
1596 dev_info(&pf->pdev->dev, " lldp get remote\n");
1597 dev_info(&pf->pdev->dev, " lldp event on\n");
1598 dev_info(&pf->pdev->dev, " lldp event off\n");
1599 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1600 }
1601
1602command_write_done:
1603 kfree(cmd_buf);
1604 cmd_buf = NULL;
1605 return count;
1606}
1607
1608static const struct file_operations i40e_dbg_command_fops = {
1609 .owner = THIS_MODULE,
1610 .open = simple_open,
1611 .read = i40e_dbg_command_read,
1612 .write = i40e_dbg_command_write,
1613};
1614
1615
1616
1617
1618
1619
1620static char i40e_dbg_netdev_ops_buf[256] = "";
1621
1622
1623
1624
1625
1626
1627
1628
1629static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1630 size_t count, loff_t *ppos)
1631{
1632 struct i40e_pf *pf = filp->private_data;
1633 int bytes_not_copied;
1634 int buf_size = 256;
1635 char *buf;
1636 int len;
1637
1638
1639 if (*ppos != 0)
1640 return 0;
1641 if (count < buf_size)
1642 return -ENOSPC;
1643
1644 buf = kzalloc(buf_size, GFP_KERNEL);
1645 if (!buf)
1646 return -ENOSPC;
1647
1648 len = snprintf(buf, buf_size, "%s: %s\n",
1649 pf->vsi[pf->lan_vsi]->netdev->name,
1650 i40e_dbg_netdev_ops_buf);
1651
1652 bytes_not_copied = copy_to_user(buffer, buf, len);
1653 kfree(buf);
1654
1655 if (bytes_not_copied)
1656 return -EFAULT;
1657
1658 *ppos = len;
1659 return len;
1660}
1661
1662
1663
1664
1665
1666
1667
1668
1669static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1670 const char __user *buffer,
1671 size_t count, loff_t *ppos)
1672{
1673 struct i40e_pf *pf = filp->private_data;
1674 int bytes_not_copied;
1675 struct i40e_vsi *vsi;
1676 char *buf_tmp;
1677 int vsi_seid;
1678 int i, cnt;
1679
1680
1681 if (*ppos != 0)
1682 return 0;
1683 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1684 return -ENOSPC;
1685
1686 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1687 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1688 buffer, count);
1689 if (bytes_not_copied)
1690 return -EFAULT;
1691 i40e_dbg_netdev_ops_buf[count] = '\0';
1692
1693 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1694 if (buf_tmp) {
1695 *buf_tmp = '\0';
1696 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1697 }
1698
1699 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1700 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1701 if (cnt != 1) {
1702 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1703 goto netdev_ops_write_done;
1704 }
1705 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1706 if (!vsi) {
1707 dev_info(&pf->pdev->dev,
1708 "tx_timeout: VSI %d not found\n", vsi_seid);
1709 } else if (!vsi->netdev) {
1710 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1711 vsi_seid);
1712 } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) {
1713 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1714 vsi_seid);
1715 } else if (rtnl_trylock()) {
1716 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1717 rtnl_unlock();
1718 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1719 } else {
1720 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1721 }
1722 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1723 int mtu;
1724
1725 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1726 &vsi_seid, &mtu);
1727 if (cnt != 2) {
1728 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1729 goto netdev_ops_write_done;
1730 }
1731 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1732 if (!vsi) {
1733 dev_info(&pf->pdev->dev,
1734 "change_mtu: VSI %d not found\n", vsi_seid);
1735 } else if (!vsi->netdev) {
1736 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1737 vsi_seid);
1738 } else if (rtnl_trylock()) {
1739 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1740 mtu);
1741 rtnl_unlock();
1742 dev_info(&pf->pdev->dev, "change_mtu called\n");
1743 } else {
1744 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1745 }
1746
1747 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1748 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1749 if (cnt != 1) {
1750 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1751 goto netdev_ops_write_done;
1752 }
1753 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1754 if (!vsi) {
1755 dev_info(&pf->pdev->dev,
1756 "set_rx_mode: VSI %d not found\n", vsi_seid);
1757 } else if (!vsi->netdev) {
1758 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1759 vsi_seid);
1760 } else if (rtnl_trylock()) {
1761 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1762 rtnl_unlock();
1763 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1764 } else {
1765 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1766 }
1767
1768 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1769 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1770 if (cnt != 1) {
1771 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1772 goto netdev_ops_write_done;
1773 }
1774 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1775 if (!vsi) {
1776 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1777 vsi_seid);
1778 } else if (!vsi->netdev) {
1779 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1780 vsi_seid);
1781 } else {
1782 for (i = 0; i < vsi->num_q_vectors; i++)
1783 napi_schedule(&vsi->q_vectors[i]->napi);
1784 dev_info(&pf->pdev->dev, "napi called\n");
1785 }
1786 } else {
1787 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1788 i40e_dbg_netdev_ops_buf);
1789 dev_info(&pf->pdev->dev, "available commands\n");
1790 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1791 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1792 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1793 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1794 }
1795netdev_ops_write_done:
1796 return count;
1797}
1798
1799static const struct file_operations i40e_dbg_netdev_ops_fops = {
1800 .owner = THIS_MODULE,
1801 .open = simple_open,
1802 .read = i40e_dbg_netdev_ops_read,
1803 .write = i40e_dbg_netdev_ops_write,
1804};
1805
1806
1807
1808
1809
1810void i40e_dbg_pf_init(struct i40e_pf *pf)
1811{
1812 struct dentry *pfile;
1813 const char *name = pci_name(pf->pdev);
1814 const struct device *dev = &pf->pdev->dev;
1815
1816 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1817 if (!pf->i40e_dbg_pf)
1818 return;
1819
1820 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1821 &i40e_dbg_command_fops);
1822 if (!pfile)
1823 goto create_failed;
1824
1825 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1826 &i40e_dbg_netdev_ops_fops);
1827 if (!pfile)
1828 goto create_failed;
1829
1830 return;
1831
1832create_failed:
1833 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1834 debugfs_remove_recursive(pf->i40e_dbg_pf);
1835}
1836
1837
1838
1839
1840
1841void i40e_dbg_pf_exit(struct i40e_pf *pf)
1842{
1843 debugfs_remove_recursive(pf->i40e_dbg_pf);
1844 pf->i40e_dbg_pf = NULL;
1845}
1846
1847
1848
1849
1850void i40e_dbg_init(void)
1851{
1852 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1853 if (!i40e_dbg_root)
1854 pr_info("init of debugfs failed\n");
1855}
1856
1857
1858
1859
1860void i40e_dbg_exit(void)
1861{
1862 debugfs_remove_recursive(i40e_dbg_root);
1863 i40e_dbg_root = NULL;
1864}
1865
1866#endif
1867
