1
2
3
4#ifdef CONFIG_DEBUG_FS
5
6#include <linux/fs.h>
7#include <linux/debugfs.h>
8
9#include "i40e.h"
10
11static struct dentry *i40e_dbg_root;
12
13enum ring_type {
14 RING_TYPE_RX,
15 RING_TYPE_TX,
16 RING_TYPE_XDP
17};
18
19
20
21
22
23
24static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
25{
26 int i;
27
28 if (seid < 0)
29 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
30 else
31 for (i = 0; i < pf->num_alloc_vsi; i++)
32 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
33 return pf->vsi[i];
34
35 return NULL;
36}
37
38
39
40
41
42
43static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
44{
45 int i;
46
47 for (i = 0; i < I40E_MAX_VEB; i++)
48 if (pf->veb[i] && pf->veb[i]->seid == seid)
49 return pf->veb[i];
50 return NULL;
51}
52
53
54
55
56
57
58
59
60static char i40e_dbg_command_buf[256] = "";
61
62
63
64
65
66
67
68
69static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
70 size_t count, loff_t *ppos)
71{
72 struct i40e_pf *pf = filp->private_data;
73 int bytes_not_copied;
74 int buf_size = 256;
75 char *buf;
76 int len;
77
78
79 if (*ppos != 0)
80 return 0;
81 if (count < buf_size)
82 return -ENOSPC;
83
84 buf = kzalloc(buf_size, GFP_KERNEL);
85 if (!buf)
86 return -ENOSPC;
87
88 len = snprintf(buf, buf_size, "%s: %s\n",
89 pf->vsi[pf->lan_vsi]->netdev->name,
90 i40e_dbg_command_buf);
91
92 bytes_not_copied = copy_to_user(buffer, buf, len);
93 kfree(buf);
94
95 if (bytes_not_copied)
96 return -EFAULT;
97
98 *ppos = len;
99 return len;
100}
101
102static char *i40e_filter_state_string[] = {
103 "INVALID",
104 "NEW",
105 "ACTIVE",
106 "FAILED",
107 "REMOVE",
108};
109
110
111
112
113
114
115static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
116{
117 struct rtnl_link_stats64 *nstat;
118 struct i40e_mac_filter *f;
119 struct i40e_vsi *vsi;
120 int i, bkt;
121
122 vsi = i40e_dbg_find_vsi(pf, seid);
123 if (!vsi) {
124 dev_info(&pf->pdev->dev,
125 "dump %d: seid not found\n", seid);
126 return;
127 }
128 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
129 if (vsi->netdev) {
130 struct net_device *nd = vsi->netdev;
131
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);
140 }
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",
147 i, vsi->state[i]);
148 if (vsi == pf->vsi[pf->lan_vsi])
149 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
150 pf->hw.mac.addr,
151 pf->hw.mac.san_addr,
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",
156 f->macaddr, f->vlan,
157 i40e_filter_state_string[f->state]);
158 }
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) ?
162 "ON" : "OFF"));
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 = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
244 vsi->tx_restart, vsi->tx_busy,
245 vsi->rx_buf_failed, vsi->rx_page_failed);
246 rcu_read_lock();
247 for (i = 0; i < vsi->num_queue_pairs; i++) {
248 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
249
250 if (!rx_ring)
251 continue;
252
253 dev_info(&pf->pdev->dev,
254 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
255 i, *rx_ring->state,
256 rx_ring->queue_index,
257 rx_ring->reg_idx);
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",
263 i,
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",
274 i,
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",
279 i,
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",
284 i, rx_ring->size);
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");
289 }
290 for (i = 0; i < vsi->num_queue_pairs; i++) {
291 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
292
293 if (!tx_ring)
294 continue;
295
296 dev_info(&pf->pdev->dev,
297 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
298 i, *tx_ring->state,
299 tx_ring->queue_index,
300 tx_ring->reg_idx);
301 dev_info(&pf->pdev->dev,
302 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
303 i,
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",
314 i,
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",
319 i, tx_ring->size);
320 dev_info(&pf->pdev->dev,
321 " tx_rings[%i]: DCB tc = %d\n",
322 i, tx_ring->dcb_tc);
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");
327 }
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]);
331
332 if (!xdp_ring)
333 continue;
334
335 dev_info(&pf->pdev->dev,
336 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
337 i, *xdp_ring->state,
338 xdp_ring->queue_index,
339 xdp_ring->reg_idx);
340 dev_info(&pf->pdev->dev,
341 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
342 i,
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",
353 i,
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",
358 i, xdp_ring->size);
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");
367 }
368 }
369 rcu_read_unlock();
370 dev_info(&pf->pdev->dev,
371 " work_limit = %d\n",
372 vsi->work_limit);
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,
385 vsi->num_rx_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);
476 }
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]);
486 }
487}
488
489
490
491
492
493static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
494{
495 struct i40e_adminq_ring *ring;
496 struct i40e_hw *hw = &pf->hw;
497 char hdr[32];
498 int i;
499
500 snprintf(hdr, sizeof(hdr), "%s %s: ",
501 dev_driver_string(&pf->pdev->dev),
502 dev_name(&pf->pdev->dev));
503
504
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);
509
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);
516 }
517
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);
522
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);
529 }
530}
531
532
533
534
535
536
537
538
539
540
541static 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)
543{
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;
549 int i;
550
551 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
552 if (!vsi) {
553 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
554 return;
555 }
556 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
557 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\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 switch (type) {
572 case RING_TYPE_RX:
573 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
574 break;
575 case RING_TYPE_TX:
576 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
577 break;
578 case RING_TYPE_XDP:
579 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
580 break;
581 }
582 if (!ring)
583 return;
584
585 if (cnt == 2) {
586 switch (type) {
587 case RING_TYPE_RX:
588 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
589 break;
590 case RING_TYPE_TX:
591 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
592 break;
593 case RING_TYPE_XDP:
594 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
595 break;
596 }
597 for (i = 0; i < ring->count; i++) {
598 if (!is_rx_ring) {
599 txd = I40E_TX_DESC(ring, i);
600 dev_info(&pf->pdev->dev,
601 " d[%03x] = 0x%016llx 0x%016llx\n",
602 i, txd->buffer_addr,
603 txd->cmd_type_offset_bsz);
604 } else {
605 rxd = I40E_RX_DESC(ring, i);
606 dev_info(&pf->pdev->dev,
607 " d[%03x] = 0x%016llx 0x%016llx\n",
608 i, rxd->read.pkt_addr,
609 rxd->read.hdr_addr);
610 }
611 }
612 } else if (cnt == 3) {
613 if (desc_n >= ring->count || desc_n < 0) {
614 dev_info(&pf->pdev->dev,
615 "descriptor %d not found\n", desc_n);
616 goto out;
617 }
618 if (!is_rx_ring) {
619 txd = I40E_TX_DESC(ring, desc_n);
620 dev_info(&pf->pdev->dev,
621 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
622 vsi_seid, ring_id, desc_n,
623 txd->buffer_addr, txd->cmd_type_offset_bsz);
624 } else {
625 rxd = I40E_RX_DESC(ring, desc_n);
626 dev_info(&pf->pdev->dev,
627 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
628 vsi_seid, ring_id, desc_n,
629 rxd->read.pkt_addr, rxd->read.hdr_addr);
630 }
631 } else {
632 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
633 }
634
635out:
636 kfree(ring);
637}
638
639
640
641
642
643static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
644{
645 int i;
646
647 for (i = 0; i < pf->num_alloc_vsi; i++)
648 if (pf->vsi[i])
649 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
650 i, pf->vsi[i]->seid);
651}
652
653
654
655
656
657
658static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
659 struct i40e_eth_stats *estats)
660{
661 dev_info(&pf->pdev->dev, " ethstats:\n");
662 dev_info(&pf->pdev->dev,
663 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
664 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
665 dev_info(&pf->pdev->dev,
666 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
667 estats->rx_broadcast, estats->rx_discards);
668 dev_info(&pf->pdev->dev,
669 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
670 estats->rx_unknown_protocol, estats->tx_bytes);
671 dev_info(&pf->pdev->dev,
672 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
673 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
674 dev_info(&pf->pdev->dev,
675 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
676 estats->tx_discards, estats->tx_errors);
677}
678
679
680
681
682
683
684static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
685{
686 struct i40e_veb *veb;
687
688 veb = i40e_dbg_find_veb(pf, seid);
689 if (!veb) {
690 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
691 return;
692 }
693 dev_info(&pf->pdev->dev,
694 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
695 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
696 veb->uplink_seid,
697 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
698 i40e_dbg_dump_eth_stats(pf, &veb->stats);
699}
700
701
702
703
704
705static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
706{
707 struct i40e_veb *veb;
708 int i;
709
710 for (i = 0; i < I40E_MAX_VEB; i++) {
711 veb = pf->veb[i];
712 if (veb)
713 i40e_dbg_dump_veb_seid(pf, veb->seid);
714 }
715}
716
717
718
719
720
721
722static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
723{
724 struct i40e_vf *vf;
725 struct i40e_vsi *vsi;
726
727 if (!pf->num_alloc_vfs) {
728 dev_info(&pf->pdev->dev, "no VFs allocated\n");
729 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
730 vf = &pf->vf[vf_id];
731 vsi = pf->vsi[vf->lan_vsi_idx];
732 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
733 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
734 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
735 vf->num_mdd_events,
736 vf->num_invalid_msgs,
737 vf->num_valid_msgs);
738 } else {
739 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
740 }
741}
742
743
744
745
746
747static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
748{
749 int i;
750
751 if (!pf->num_alloc_vfs)
752 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
753 else
754 for (i = 0; i < pf->num_alloc_vfs; i++)
755 i40e_dbg_dump_vf(pf, i);
756}
757
758
759
760
761
762
763
764
765static ssize_t i40e_dbg_command_write(struct file *filp,
766 const char __user *buffer,
767 size_t count, loff_t *ppos)
768{
769 struct i40e_pf *pf = filp->private_data;
770 char *cmd_buf, *cmd_buf_tmp;
771 int bytes_not_copied;
772 struct i40e_vsi *vsi;
773 int vsi_seid;
774 int veb_seid;
775 int vf_id;
776 int cnt;
777
778
779 if (*ppos != 0)
780 return 0;
781
782 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
783 if (!cmd_buf)
784 return count;
785 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
786 if (bytes_not_copied) {
787 kfree(cmd_buf);
788 return -EFAULT;
789 }
790 cmd_buf[count] = '\0';
791
792 cmd_buf_tmp = strchr(cmd_buf, '\n');
793 if (cmd_buf_tmp) {
794 *cmd_buf_tmp = '\0';
795 count = cmd_buf_tmp - cmd_buf + 1;
796 }
797
798 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
799 vsi_seid = -1;
800 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
801 if (cnt == 0) {
802
803 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
804 } else if (vsi_seid < 0) {
805 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
806 vsi_seid);
807 goto command_write_done;
808 }
809
810
811
812
813 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
814 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
815 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
816 }
817
818 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
819 if (vsi)
820 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
821 vsi->seid, vsi->uplink_seid);
822 else
823 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
824
825 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
826 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
827 if (cnt != 1) {
828 dev_info(&pf->pdev->dev,
829 "del vsi: bad command string, cnt=%d\n",
830 cnt);
831 goto command_write_done;
832 }
833 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
834 if (!vsi) {
835 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
836 vsi_seid);
837 goto command_write_done;
838 }
839
840 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
841 i40e_vsi_release(vsi);
842
843 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
844 struct i40e_veb *veb;
845 int uplink_seid, i;
846
847 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
848 if (cnt != 2) {
849 dev_info(&pf->pdev->dev,
850 "add relay: bad command string, cnt=%d\n",
851 cnt);
852 goto command_write_done;
853 } else if (uplink_seid < 0) {
854 dev_info(&pf->pdev->dev,
855 "add relay %d: bad uplink seid\n",
856 uplink_seid);
857 goto command_write_done;
858 }
859
860 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
861 if (!vsi) {
862 dev_info(&pf->pdev->dev,
863 "add relay: VSI %d not found\n", vsi_seid);
864 goto command_write_done;
865 }
866
867 for (i = 0; i < I40E_MAX_VEB; i++)
868 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
869 break;
870 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
871 uplink_seid != pf->mac_seid) {
872 dev_info(&pf->pdev->dev,
873 "add relay: relay uplink %d not found\n",
874 uplink_seid);
875 goto command_write_done;
876 }
877
878 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
879 vsi->tc_config.enabled_tc);
880 if (veb)
881 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
882 else
883 dev_info(&pf->pdev->dev, "add relay failed\n");
884
885 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
886 int i;
887 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
888 if (cnt != 1) {
889 dev_info(&pf->pdev->dev,
890 "del relay: bad command string, cnt=%d\n",
891 cnt);
892 goto command_write_done;
893 } else if (veb_seid < 0) {
894 dev_info(&pf->pdev->dev,
895 "del relay %d: bad relay seid\n", veb_seid);
896 goto command_write_done;
897 }
898
899
900 for (i = 0; i < I40E_MAX_VEB; i++)
901 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
902 break;
903 if (i >= I40E_MAX_VEB) {
904 dev_info(&pf->pdev->dev,
905 "del relay: relay %d not found\n", veb_seid);
906 goto command_write_done;
907 }
908
909 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
910 i40e_veb_release(pf->veb[i]);
911 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
912 i40e_status ret;
913 u16 vid;
914 unsigned int v;
915
916 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
917 if (cnt != 2) {
918 dev_info(&pf->pdev->dev,
919 "add pvid: bad command string, cnt=%d\n", cnt);
920 goto command_write_done;
921 }
922
923 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
924 if (!vsi) {
925 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
926 vsi_seid);
927 goto command_write_done;
928 }
929
930 vid = v;
931 ret = i40e_vsi_add_pvid(vsi, vid);
932 if (!ret)
933 dev_info(&pf->pdev->dev,
934 "add pvid: %d added to VSI %d\n",
935 vid, vsi_seid);
936 else
937 dev_info(&pf->pdev->dev,
938 "add pvid: %d to VSI %d failed, ret=%d\n",
939 vid, vsi_seid, ret);
940
941 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
942
943 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
944 if (cnt != 1) {
945 dev_info(&pf->pdev->dev,
946 "del pvid: bad command string, cnt=%d\n",
947 cnt);
948 goto command_write_done;
949 }
950
951 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
952 if (!vsi) {
953 dev_info(&pf->pdev->dev,
954 "del pvid: VSI %d not found\n", vsi_seid);
955 goto command_write_done;
956 }
957
958 i40e_vsi_remove_pvid(vsi);
959 dev_info(&pf->pdev->dev,
960 "del pvid: removed from VSI %d\n", vsi_seid);
961
962 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
963 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
964 i40e_fetch_switch_configuration(pf, true);
965 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
966 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
967 if (cnt > 0)
968 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
969 else
970 i40e_dbg_dump_vsi_no_seid(pf);
971 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
972 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
973 if (cnt > 0)
974 i40e_dbg_dump_veb_seid(pf, vsi_seid);
975 else
976 i40e_dbg_dump_veb_all(pf);
977 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
978 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
979 if (cnt > 0)
980 i40e_dbg_dump_vf(pf, vf_id);
981 else
982 i40e_dbg_dump_vf_all(pf);
983 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
984 int ring_id, desc_n;
985 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
986 cnt = sscanf(&cmd_buf[12], "%i %i %i",
987 &vsi_seid, &ring_id, &desc_n);
988 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
989 desc_n, pf, RING_TYPE_RX);
990 } else if (strncmp(&cmd_buf[10], "tx", 2)
991 == 0) {
992 cnt = sscanf(&cmd_buf[12], "%i %i %i",
993 &vsi_seid, &ring_id, &desc_n);
994 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
995 desc_n, pf, RING_TYPE_TX);
996 } else if (strncmp(&cmd_buf[10], "xdp", 3)
997 == 0) {
998 cnt = sscanf(&cmd_buf[13], "%i %i %i",
999 &vsi_seid, &ring_id, &desc_n);
1000 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1001 desc_n, pf, RING_TYPE_XDP);
1002 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1003 i40e_dbg_dump_aq_desc(pf);
1004 } else {
1005 dev_info(&pf->pdev->dev,
1006 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1007 dev_info(&pf->pdev->dev,
1008 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1009 dev_info(&pf->pdev->dev,
1010 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1011 dev_info(&pf->pdev->dev, "dump desc aq\n");
1012 }
1013 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1014 dev_info(&pf->pdev->dev,
1015 "core reset count: %d\n", pf->corer_count);
1016 dev_info(&pf->pdev->dev,
1017 "global reset count: %d\n", pf->globr_count);
1018 dev_info(&pf->pdev->dev,
1019 "emp reset count: %d\n", pf->empr_count);
1020 dev_info(&pf->pdev->dev,
1021 "pf reset count: %d\n", pf->pfr_count);
1022 dev_info(&pf->pdev->dev,
1023 "pf tx sluggish count: %d\n",
1024 pf->tx_sluggish_count);
1025 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1026 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1027 struct i40e_dcbx_config *cfg =
1028 &pf->hw.local_dcbx_config;
1029 struct i40e_dcbx_config *r_cfg =
1030 &pf->hw.remote_dcbx_config;
1031 int i, ret;
1032 u16 switch_id;
1033
1034 bw_data = kzalloc(sizeof(
1035 struct i40e_aqc_query_port_ets_config_resp),
1036 GFP_KERNEL);
1037 if (!bw_data) {
1038 ret = -ENOMEM;
1039 goto command_write_done;
1040 }
1041
1042 vsi = pf->vsi[pf->lan_vsi];
1043 switch_id =
1044 le16_to_cpu(vsi->info.switch_id) &
1045 I40E_AQ_VSI_SW_ID_MASK;
1046
1047 ret = i40e_aq_query_port_ets_config(&pf->hw,
1048 switch_id,
1049 bw_data, NULL);
1050 if (ret) {
1051 dev_info(&pf->pdev->dev,
1052 "Query Port ETS Config AQ command failed =0x%x\n",
1053 pf->hw.aq.asq_last_status);
1054 kfree(bw_data);
1055 bw_data = NULL;
1056 goto command_write_done;
1057 }
1058 dev_info(&pf->pdev->dev,
1059 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1060 bw_data->tc_valid_bits,
1061 bw_data->tc_strict_priority_bits,
1062 le16_to_cpu(bw_data->tc_bw_max[0]),
1063 le16_to_cpu(bw_data->tc_bw_max[1]));
1064 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1065 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1066 bw_data->tc_bw_share_credits[i],
1067 le16_to_cpu(bw_data->tc_bw_limits[i]));
1068 }
1069
1070 kfree(bw_data);
1071 bw_data = NULL;
1072
1073 dev_info(&pf->pdev->dev,
1074 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1075 dev_info(&pf->pdev->dev,
1076 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1077 cfg->etscfg.willing, cfg->etscfg.cbs,
1078 cfg->etscfg.maxtcs);
1079 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1080 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1081 i, cfg->etscfg.prioritytable[i],
1082 cfg->etscfg.tcbwtable[i],
1083 cfg->etscfg.tsatable[i]);
1084 }
1085 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1086 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1087 i, cfg->etsrec.prioritytable[i],
1088 cfg->etsrec.tcbwtable[i],
1089 cfg->etsrec.tsatable[i]);
1090 }
1091 dev_info(&pf->pdev->dev,
1092 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1093 cfg->pfc.willing, cfg->pfc.mbc,
1094 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1095 dev_info(&pf->pdev->dev,
1096 "port app_table: num_apps=%d\n", cfg->numapps);
1097 for (i = 0; i < cfg->numapps; i++) {
1098 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1099 i, cfg->app[i].priority,
1100 cfg->app[i].selector,
1101 cfg->app[i].protocolid);
1102 }
1103
1104 dev_info(&pf->pdev->dev,
1105 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1106 r_cfg->etscfg.willing,
1107 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1108 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1109 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1110 i, r_cfg->etscfg.prioritytable[i],
1111 r_cfg->etscfg.tcbwtable[i],
1112 r_cfg->etscfg.tsatable[i]);
1113 }
1114 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1115 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1116 i, r_cfg->etsrec.prioritytable[i],
1117 r_cfg->etsrec.tcbwtable[i],
1118 r_cfg->etsrec.tsatable[i]);
1119 }
1120 dev_info(&pf->pdev->dev,
1121 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1122 r_cfg->pfc.willing,
1123 r_cfg->pfc.mbc,
1124 r_cfg->pfc.pfccap,
1125 r_cfg->pfc.pfcenable);
1126 dev_info(&pf->pdev->dev,
1127 "remote port app_table: num_apps=%d\n",
1128 r_cfg->numapps);
1129 for (i = 0; i < r_cfg->numapps; i++) {
1130 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1131 i, r_cfg->app[i].priority,
1132 r_cfg->app[i].selector,
1133 r_cfg->app[i].protocolid);
1134 }
1135 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1136 int cluster_id, table_id;
1137 int index, ret;
1138 u16 buff_len = 4096;
1139 u32 next_index;
1140 u8 next_table;
1141 u8 *buff;
1142 u16 rlen;
1143
1144 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1145 &cluster_id, &table_id, &index);
1146 if (cnt != 3) {
1147 dev_info(&pf->pdev->dev,
1148 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1149 goto command_write_done;
1150 }
1151
1152 dev_info(&pf->pdev->dev,
1153 "AQ debug dump fwdata params %x %x %x %x\n",
1154 cluster_id, table_id, index, buff_len);
1155 buff = kzalloc(buff_len, GFP_KERNEL);
1156 if (!buff)
1157 goto command_write_done;
1158
1159 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1160 index, buff_len, buff, &rlen,
1161 &next_table, &next_index,
1162 NULL);
1163 if (ret) {
1164 dev_info(&pf->pdev->dev,
1165 "debug dump fwdata AQ Failed %d 0x%x\n",
1166 ret, pf->hw.aq.asq_last_status);
1167 kfree(buff);
1168 buff = NULL;
1169 goto command_write_done;
1170 }
1171 dev_info(&pf->pdev->dev,
1172 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1173 rlen, next_table, next_index);
1174 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1175 DUMP_PREFIX_OFFSET, 16, 1,
1176 buff, rlen, true);
1177 kfree(buff);
1178 buff = NULL;
1179 } else {
1180 dev_info(&pf->pdev->dev,
1181 "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");
1182 dev_info(&pf->pdev->dev, "dump switch\n");
1183 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1184 dev_info(&pf->pdev->dev, "dump reset stats\n");
1185 dev_info(&pf->pdev->dev, "dump port\n");
1186 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1187 dev_info(&pf->pdev->dev,
1188 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1189 }
1190 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1191 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1192 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1193
1194 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1195 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1196 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1197
1198 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1199 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1200 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1201
1202 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1203 u32 address;
1204 u32 value;
1205
1206 cnt = sscanf(&cmd_buf[4], "%i", &address);
1207 if (cnt != 1) {
1208 dev_info(&pf->pdev->dev, "read <reg>\n");
1209 goto command_write_done;
1210 }
1211
1212
1213 if (address > (pf->ioremap_len - sizeof(u32))) {
1214 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1215 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1216 goto command_write_done;
1217 }
1218
1219 value = rd32(&pf->hw, address);
1220 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1221 address, value);
1222
1223 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1224 u32 address, value;
1225
1226 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1227 if (cnt != 2) {
1228 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1229 goto command_write_done;
1230 }
1231
1232
1233 if (address > (pf->ioremap_len - sizeof(u32))) {
1234 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1235 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1236 goto command_write_done;
1237 }
1238 wr32(&pf->hw, address, value);
1239 value = rd32(&pf->hw, address);
1240 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1241 address, value);
1242 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1243 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1244 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1245 if (cnt == 0) {
1246 int i;
1247
1248 for (i = 0; i < pf->num_alloc_vsi; i++)
1249 i40e_vsi_reset_stats(pf->vsi[i]);
1250 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1251 } else if (cnt == 1) {
1252 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1253 if (!vsi) {
1254 dev_info(&pf->pdev->dev,
1255 "clear_stats vsi: bad vsi %d\n",
1256 vsi_seid);
1257 goto command_write_done;
1258 }
1259 i40e_vsi_reset_stats(vsi);
1260 dev_info(&pf->pdev->dev,
1261 "vsi clear stats called for vsi %d\n",
1262 vsi_seid);
1263 } else {
1264 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1265 }
1266 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1267 if (pf->hw.partition_id == 1) {
1268 i40e_pf_reset_stats(pf);
1269 dev_info(&pf->pdev->dev, "port stats cleared\n");
1270 } else {
1271 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1272 }
1273 } else {
1274 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1275 }
1276 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1277 struct i40e_aq_desc *desc;
1278 i40e_status ret;
1279
1280 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1281 if (!desc)
1282 goto command_write_done;
1283 cnt = sscanf(&cmd_buf[11],
1284 "%hi %hi %hi %hi %i %i %i %i %i %i",
1285 &desc->flags,
1286 &desc->opcode, &desc->datalen, &desc->retval,
1287 &desc->cookie_high, &desc->cookie_low,
1288 &desc->params.internal.param0,
1289 &desc->params.internal.param1,
1290 &desc->params.internal.param2,
1291 &desc->params.internal.param3);
1292 if (cnt != 10) {
1293 dev_info(&pf->pdev->dev,
1294 "send aq_cmd: bad command string, cnt=%d\n",
1295 cnt);
1296 kfree(desc);
1297 desc = NULL;
1298 goto command_write_done;
1299 }
1300 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1301 if (!ret) {
1302 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1303 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1304 dev_info(&pf->pdev->dev,
1305 "AQ command send failed Opcode %x AQ Error: %d\n",
1306 desc->opcode, pf->hw.aq.asq_last_status);
1307 } else {
1308 dev_info(&pf->pdev->dev,
1309 "AQ command send failed Opcode %x Status: %d\n",
1310 desc->opcode, ret);
1311 }
1312 dev_info(&pf->pdev->dev,
1313 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1314 desc->flags, desc->opcode, desc->datalen, desc->retval,
1315 desc->cookie_high, desc->cookie_low,
1316 desc->params.internal.param0,
1317 desc->params.internal.param1,
1318 desc->params.internal.param2,
1319 desc->params.internal.param3);
1320 kfree(desc);
1321 desc = NULL;
1322 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1323 struct i40e_aq_desc *desc;
1324 i40e_status ret;
1325 u16 buffer_len;
1326 u8 *buff;
1327
1328 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1329 if (!desc)
1330 goto command_write_done;
1331 cnt = sscanf(&cmd_buf[20],
1332 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1333 &desc->flags,
1334 &desc->opcode, &desc->datalen, &desc->retval,
1335 &desc->cookie_high, &desc->cookie_low,
1336 &desc->params.internal.param0,
1337 &desc->params.internal.param1,
1338 &desc->params.internal.param2,
1339 &desc->params.internal.param3,
1340 &buffer_len);
1341 if (cnt != 11) {
1342 dev_info(&pf->pdev->dev,
1343 "send indirect aq_cmd: bad command string, cnt=%d\n",
1344 cnt);
1345 kfree(desc);
1346 desc = NULL;
1347 goto command_write_done;
1348 }
1349
1350 if (buffer_len == 0)
1351 buffer_len = 1280;
1352
1353 buff = kzalloc(buffer_len, GFP_KERNEL);
1354 if (!buff) {
1355 kfree(desc);
1356 desc = NULL;
1357 goto command_write_done;
1358 }
1359 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1360 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1361 buffer_len, NULL);
1362 if (!ret) {
1363 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1364 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1365 dev_info(&pf->pdev->dev,
1366 "AQ command send failed Opcode %x AQ Error: %d\n",
1367 desc->opcode, pf->hw.aq.asq_last_status);
1368 } else {
1369 dev_info(&pf->pdev->dev,
1370 "AQ command send failed Opcode %x Status: %d\n",
1371 desc->opcode, ret);
1372 }
1373 dev_info(&pf->pdev->dev,
1374 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1375 desc->flags, desc->opcode, desc->datalen, desc->retval,
1376 desc->cookie_high, desc->cookie_low,
1377 desc->params.internal.param0,
1378 desc->params.internal.param1,
1379 desc->params.internal.param2,
1380 desc->params.internal.param3);
1381 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1382 DUMP_PREFIX_OFFSET, 16, 1,
1383 buff, buffer_len, true);
1384 kfree(buff);
1385 buff = NULL;
1386 kfree(desc);
1387 desc = NULL;
1388 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1389 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1390 i40e_get_current_fd_count(pf));
1391 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1392 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1393 int ret;
1394
1395 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1396 if (ret) {
1397 dev_info(&pf->pdev->dev,
1398 "Stop LLDP AQ command failed =0x%x\n",
1399 pf->hw.aq.asq_last_status);
1400 goto command_write_done;
1401 }
1402 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1403 pf->hw.mac.addr,
1404 ETH_P_LLDP, 0,
1405 pf->vsi[pf->lan_vsi]->seid,
1406 0, true, NULL, NULL);
1407 if (ret) {
1408 dev_info(&pf->pdev->dev,
1409 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1410 __func__, pf->hw.aq.asq_last_status);
1411 goto command_write_done;
1412 }
1413#ifdef CONFIG_I40E_DCB
1414 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1415 DCB_CAP_DCBX_VER_IEEE;
1416#endif
1417 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1418 int ret;
1419
1420 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1421 pf->hw.mac.addr,
1422 ETH_P_LLDP, 0,
1423 pf->vsi[pf->lan_vsi]->seid,
1424 0, false, NULL, NULL);
1425 if (ret) {
1426 dev_info(&pf->pdev->dev,
1427 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1428 __func__, pf->hw.aq.asq_last_status);
1429
1430 }
1431
1432 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1433 if (ret) {
1434 dev_info(&pf->pdev->dev,
1435 "Start LLDP AQ command failed =0x%x\n",
1436 pf->hw.aq.asq_last_status);
1437 goto command_write_done;
1438 }
1439#ifdef CONFIG_I40E_DCB
1440 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1441 DCB_CAP_DCBX_VER_IEEE;
1442#endif
1443 } else if (strncmp(&cmd_buf[5],
1444 "get local", 9) == 0) {
1445 u16 llen, rlen;
1446 int ret;
1447 u8 *buff;
1448
1449 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1450 if (!buff)
1451 goto command_write_done;
1452
1453 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1454 I40E_AQ_LLDP_MIB_LOCAL,
1455 buff, I40E_LLDPDU_SIZE,
1456 &llen, &rlen, NULL);
1457 if (ret) {
1458 dev_info(&pf->pdev->dev,
1459 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1460 pf->hw.aq.asq_last_status);
1461 kfree(buff);
1462 buff = NULL;
1463 goto command_write_done;
1464 }
1465 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1466 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1467 DUMP_PREFIX_OFFSET, 16, 1,
1468 buff, I40E_LLDPDU_SIZE, true);
1469 kfree(buff);
1470 buff = NULL;
1471 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1472 u16 llen, rlen;
1473 int ret;
1474 u8 *buff;
1475
1476 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1477 if (!buff)
1478 goto command_write_done;
1479
1480 ret = i40e_aq_get_lldp_mib(&pf->hw,
1481 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1482 I40E_AQ_LLDP_MIB_REMOTE,
1483 buff, I40E_LLDPDU_SIZE,
1484 &llen, &rlen, NULL);
1485 if (ret) {
1486 dev_info(&pf->pdev->dev,
1487 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1488 pf->hw.aq.asq_last_status);
1489 kfree(buff);
1490 buff = NULL;
1491 goto command_write_done;
1492 }
1493 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1494 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1495 DUMP_PREFIX_OFFSET, 16, 1,
1496 buff, I40E_LLDPDU_SIZE, true);
1497 kfree(buff);
1498 buff = NULL;
1499 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1500 int ret;
1501
1502 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1503 true, NULL);
1504 if (ret) {
1505 dev_info(&pf->pdev->dev,
1506 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1507 pf->hw.aq.asq_last_status);
1508 goto command_write_done;
1509 }
1510 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1511 int ret;
1512
1513 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1514 false, NULL);
1515 if (ret) {
1516 dev_info(&pf->pdev->dev,
1517 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1518 pf->hw.aq.asq_last_status);
1519 goto command_write_done;
1520 }
1521 }
1522 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1523 u16 buffer_len, bytes;
1524 u16 module;
1525 u32 offset;
1526 u16 *buff;
1527 int ret;
1528
1529 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1530 &module, &offset, &buffer_len);
1531 if (cnt == 0) {
1532 module = 0;
1533 offset = 0;
1534 buffer_len = 0;
1535 } else if (cnt == 1) {
1536 offset = 0;
1537 buffer_len = 0;
1538 } else if (cnt == 2) {
1539 buffer_len = 0;
1540 } else if (cnt > 3) {
1541 dev_info(&pf->pdev->dev,
1542 "nvm read: bad command string, cnt=%d\n", cnt);
1543 goto command_write_done;
1544 }
1545
1546
1547 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1548
1549 bytes = 2 * buffer_len;
1550
1551
1552 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1553 buff = kzalloc(bytes, GFP_KERNEL);
1554 if (!buff)
1555 goto command_write_done;
1556
1557 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1558 if (ret) {
1559 dev_info(&pf->pdev->dev,
1560 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1561 ret, pf->hw.aq.asq_last_status);
1562 kfree(buff);
1563 goto command_write_done;
1564 }
1565
1566 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1567 bytes, (u8 *)buff, true, NULL);
1568 i40e_release_nvm(&pf->hw);
1569 if (ret) {
1570 dev_info(&pf->pdev->dev,
1571 "Read NVM AQ failed err=%d status=0x%x\n",
1572 ret, pf->hw.aq.asq_last_status);
1573 } else {
1574 dev_info(&pf->pdev->dev,
1575 "Read NVM module=0x%x offset=0x%x words=%d\n",
1576 module, offset, buffer_len);
1577 if (bytes)
1578 print_hex_dump(KERN_INFO, "NVM Dump: ",
1579 DUMP_PREFIX_OFFSET, 16, 2,
1580 buff, bytes, true);
1581 }
1582 kfree(buff);
1583 buff = NULL;
1584 } else {
1585 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1586 dev_info(&pf->pdev->dev, "available commands\n");
1587 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1588 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1589 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1590 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1591 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1592 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1593 dev_info(&pf->pdev->dev, " dump switch\n");
1594 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1595 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1596 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1597 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1598 dev_info(&pf->pdev->dev, " dump desc aq\n");
1599 dev_info(&pf->pdev->dev, " dump reset stats\n");
1600 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1601 dev_info(&pf->pdev->dev, " read <reg>\n");
1602 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1603 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1604 dev_info(&pf->pdev->dev, " clear_stats port\n");
1605 dev_info(&pf->pdev->dev, " pfr\n");
1606 dev_info(&pf->pdev->dev, " corer\n");
1607 dev_info(&pf->pdev->dev, " globr\n");
1608 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1609 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1610 dev_info(&pf->pdev->dev, " fd current cnt");
1611 dev_info(&pf->pdev->dev, " lldp start\n");
1612 dev_info(&pf->pdev->dev, " lldp stop\n");
1613 dev_info(&pf->pdev->dev, " lldp get local\n");
1614 dev_info(&pf->pdev->dev, " lldp get remote\n");
1615 dev_info(&pf->pdev->dev, " lldp event on\n");
1616 dev_info(&pf->pdev->dev, " lldp event off\n");
1617 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1618 }
1619
1620command_write_done:
1621 kfree(cmd_buf);
1622 cmd_buf = NULL;
1623 return count;
1624}
1625
1626static const struct file_operations i40e_dbg_command_fops = {
1627 .owner = THIS_MODULE,
1628 .open = simple_open,
1629 .read = i40e_dbg_command_read,
1630 .write = i40e_dbg_command_write,
1631};
1632
1633
1634
1635
1636
1637
1638static char i40e_dbg_netdev_ops_buf[256] = "";
1639
1640
1641
1642
1643
1644
1645
1646
1647static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1648 size_t count, loff_t *ppos)
1649{
1650 struct i40e_pf *pf = filp->private_data;
1651 int bytes_not_copied;
1652 int buf_size = 256;
1653 char *buf;
1654 int len;
1655
1656
1657 if (*ppos != 0)
1658 return 0;
1659 if (count < buf_size)
1660 return -ENOSPC;
1661
1662 buf = kzalloc(buf_size, GFP_KERNEL);
1663 if (!buf)
1664 return -ENOSPC;
1665
1666 len = snprintf(buf, buf_size, "%s: %s\n",
1667 pf->vsi[pf->lan_vsi]->netdev->name,
1668 i40e_dbg_netdev_ops_buf);
1669
1670 bytes_not_copied = copy_to_user(buffer, buf, len);
1671 kfree(buf);
1672
1673 if (bytes_not_copied)
1674 return -EFAULT;
1675
1676 *ppos = len;
1677 return len;
1678}
1679
1680
1681
1682
1683
1684
1685
1686
1687static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1688 const char __user *buffer,
1689 size_t count, loff_t *ppos)
1690{
1691 struct i40e_pf *pf = filp->private_data;
1692 int bytes_not_copied;
1693 struct i40e_vsi *vsi;
1694 char *buf_tmp;
1695 int vsi_seid;
1696 int i, cnt;
1697
1698
1699 if (*ppos != 0)
1700 return 0;
1701 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1702 return -ENOSPC;
1703
1704 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1705 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1706 buffer, count);
1707 if (bytes_not_copied)
1708 return -EFAULT;
1709 i40e_dbg_netdev_ops_buf[count] = '\0';
1710
1711 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1712 if (buf_tmp) {
1713 *buf_tmp = '\0';
1714 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1715 }
1716
1717 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1718 int mtu;
1719
1720 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1721 &vsi_seid, &mtu);
1722 if (cnt != 2) {
1723 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1724 goto netdev_ops_write_done;
1725 }
1726 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1727 if (!vsi) {
1728 dev_info(&pf->pdev->dev,
1729 "change_mtu: VSI %d not found\n", vsi_seid);
1730 } else if (!vsi->netdev) {
1731 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1732 vsi_seid);
1733 } else if (rtnl_trylock()) {
1734 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1735 mtu);
1736 rtnl_unlock();
1737 dev_info(&pf->pdev->dev, "change_mtu called\n");
1738 } else {
1739 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1740 }
1741
1742 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1743 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1744 if (cnt != 1) {
1745 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1746 goto netdev_ops_write_done;
1747 }
1748 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1749 if (!vsi) {
1750 dev_info(&pf->pdev->dev,
1751 "set_rx_mode: VSI %d not found\n", vsi_seid);
1752 } else if (!vsi->netdev) {
1753 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1754 vsi_seid);
1755 } else if (rtnl_trylock()) {
1756 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1757 rtnl_unlock();
1758 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1759 } else {
1760 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1761 }
1762
1763 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1764 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1765 if (cnt != 1) {
1766 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1767 goto netdev_ops_write_done;
1768 }
1769 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1770 if (!vsi) {
1771 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1772 vsi_seid);
1773 } else if (!vsi->netdev) {
1774 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1775 vsi_seid);
1776 } else {
1777 for (i = 0; i < vsi->num_q_vectors; i++)
1778 napi_schedule(&vsi->q_vectors[i]->napi);
1779 dev_info(&pf->pdev->dev, "napi called\n");
1780 }
1781 } else {
1782 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1783 i40e_dbg_netdev_ops_buf);
1784 dev_info(&pf->pdev->dev, "available commands\n");
1785 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1786 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1787 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1788 }
1789netdev_ops_write_done:
1790 return count;
1791}
1792
1793static const struct file_operations i40e_dbg_netdev_ops_fops = {
1794 .owner = THIS_MODULE,
1795 .open = simple_open,
1796 .read = i40e_dbg_netdev_ops_read,
1797 .write = i40e_dbg_netdev_ops_write,
1798};
1799
1800
1801
1802
1803
1804void i40e_dbg_pf_init(struct i40e_pf *pf)
1805{
1806 const char *name = pci_name(pf->pdev);
1807
1808 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1809
1810 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1811 &i40e_dbg_command_fops);
1812
1813 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1814 &i40e_dbg_netdev_ops_fops);
1815}
1816
1817
1818
1819
1820
1821void i40e_dbg_pf_exit(struct i40e_pf *pf)
1822{
1823 debugfs_remove_recursive(pf->i40e_dbg_pf);
1824 pf->i40e_dbg_pf = NULL;
1825}
1826
1827
1828
1829
1830void i40e_dbg_init(void)
1831{
1832 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1833 if (!i40e_dbg_root)
1834 pr_info("init of debugfs failed\n");
1835}
1836
1837
1838
1839
1840void i40e_dbg_exit(void)
1841{
1842 debugfs_remove_recursive(i40e_dbg_root);
1843 i40e_dbg_root = NULL;
1844}
1845
1846#endif
1847
