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 0x%016llx 0x%016llx\n",
608 i, rxd->read.pkt_addr,
609 rxd->read.hdr_addr,
610 rxd->read.rsvd1, rxd->read.rsvd2);
611 }
612 }
613 } else if (cnt == 3) {
614 if (desc_n >= ring->count || desc_n < 0) {
615 dev_info(&pf->pdev->dev,
616 "descriptor %d not found\n", desc_n);
617 goto out;
618 }
619 if (!is_rx_ring) {
620 txd = I40E_TX_DESC(ring, desc_n);
621 dev_info(&pf->pdev->dev,
622 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
623 vsi_seid, ring_id, desc_n,
624 txd->buffer_addr, txd->cmd_type_offset_bsz);
625 } else {
626 rxd = I40E_RX_DESC(ring, desc_n);
627 dev_info(&pf->pdev->dev,
628 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
629 vsi_seid, ring_id, desc_n,
630 rxd->read.pkt_addr, rxd->read.hdr_addr,
631 rxd->read.rsvd1, rxd->read.rsvd2);
632 }
633 } else {
634 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
635 }
636
637out:
638 kfree(ring);
639}
640
641
642
643
644
645static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
646{
647 int i;
648
649 for (i = 0; i < pf->num_alloc_vsi; i++)
650 if (pf->vsi[i])
651 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
652 i, pf->vsi[i]->seid);
653}
654
655
656
657
658
659
660static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
661 struct i40e_eth_stats *estats)
662{
663 dev_info(&pf->pdev->dev, " ethstats:\n");
664 dev_info(&pf->pdev->dev,
665 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
666 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
667 dev_info(&pf->pdev->dev,
668 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
669 estats->rx_broadcast, estats->rx_discards);
670 dev_info(&pf->pdev->dev,
671 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
672 estats->rx_unknown_protocol, estats->tx_bytes);
673 dev_info(&pf->pdev->dev,
674 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
675 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
676 dev_info(&pf->pdev->dev,
677 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
678 estats->tx_discards, estats->tx_errors);
679}
680
681
682
683
684
685
686static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
687{
688 struct i40e_veb *veb;
689
690 veb = i40e_dbg_find_veb(pf, seid);
691 if (!veb) {
692 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
693 return;
694 }
695 dev_info(&pf->pdev->dev,
696 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
697 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
698 veb->uplink_seid,
699 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
700 i40e_dbg_dump_eth_stats(pf, &veb->stats);
701}
702
703
704
705
706
707static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
708{
709 struct i40e_veb *veb;
710 int i;
711
712 for (i = 0; i < I40E_MAX_VEB; i++) {
713 veb = pf->veb[i];
714 if (veb)
715 i40e_dbg_dump_veb_seid(pf, veb->seid);
716 }
717}
718
719
720
721
722
723
724static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
725{
726 struct i40e_vf *vf;
727 struct i40e_vsi *vsi;
728
729 if (!pf->num_alloc_vfs) {
730 dev_info(&pf->pdev->dev, "no VFs allocated\n");
731 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
732 vf = &pf->vf[vf_id];
733 vsi = pf->vsi[vf->lan_vsi_idx];
734 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
735 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
736 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
737 vf->num_mdd_events,
738 vf->num_invalid_msgs,
739 vf->num_valid_msgs);
740 } else {
741 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
742 }
743}
744
745
746
747
748
749static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
750{
751 int i;
752
753 if (!pf->num_alloc_vfs)
754 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
755 else
756 for (i = 0; i < pf->num_alloc_vfs; i++)
757 i40e_dbg_dump_vf(pf, i);
758}
759
760
761
762
763
764
765
766
767static ssize_t i40e_dbg_command_write(struct file *filp,
768 const char __user *buffer,
769 size_t count, loff_t *ppos)
770{
771 struct i40e_pf *pf = filp->private_data;
772 char *cmd_buf, *cmd_buf_tmp;
773 int bytes_not_copied;
774 struct i40e_vsi *vsi;
775 int vsi_seid;
776 int veb_seid;
777 int vf_id;
778 int cnt;
779
780
781 if (*ppos != 0)
782 return 0;
783
784 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
785 if (!cmd_buf)
786 return count;
787 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
788 if (bytes_not_copied) {
789 kfree(cmd_buf);
790 return -EFAULT;
791 }
792 cmd_buf[count] = '\0';
793
794 cmd_buf_tmp = strchr(cmd_buf, '\n');
795 if (cmd_buf_tmp) {
796 *cmd_buf_tmp = '\0';
797 count = cmd_buf_tmp - cmd_buf + 1;
798 }
799
800 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
801 vsi_seid = -1;
802 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
803 if (cnt == 0) {
804
805 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
806 } else if (vsi_seid < 0) {
807 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
808 vsi_seid);
809 goto command_write_done;
810 }
811
812
813
814
815 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
816 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
817 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
818 }
819
820 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
821 if (vsi)
822 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
823 vsi->seid, vsi->uplink_seid);
824 else
825 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
826
827 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
828 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
829 if (cnt != 1) {
830 dev_info(&pf->pdev->dev,
831 "del vsi: bad command string, cnt=%d\n",
832 cnt);
833 goto command_write_done;
834 }
835 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
836 if (!vsi) {
837 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
838 vsi_seid);
839 goto command_write_done;
840 }
841
842 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
843 i40e_vsi_release(vsi);
844
845 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
846 struct i40e_veb *veb;
847 int uplink_seid, i;
848
849 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
850 if (cnt != 2) {
851 dev_info(&pf->pdev->dev,
852 "add relay: bad command string, cnt=%d\n",
853 cnt);
854 goto command_write_done;
855 } else if (uplink_seid < 0) {
856 dev_info(&pf->pdev->dev,
857 "add relay %d: bad uplink seid\n",
858 uplink_seid);
859 goto command_write_done;
860 }
861
862 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
863 if (!vsi) {
864 dev_info(&pf->pdev->dev,
865 "add relay: VSI %d not found\n", vsi_seid);
866 goto command_write_done;
867 }
868
869 for (i = 0; i < I40E_MAX_VEB; i++)
870 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
871 break;
872 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
873 uplink_seid != pf->mac_seid) {
874 dev_info(&pf->pdev->dev,
875 "add relay: relay uplink %d not found\n",
876 uplink_seid);
877 goto command_write_done;
878 }
879
880 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
881 vsi->tc_config.enabled_tc);
882 if (veb)
883 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
884 else
885 dev_info(&pf->pdev->dev, "add relay failed\n");
886
887 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
888 int i;
889 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
890 if (cnt != 1) {
891 dev_info(&pf->pdev->dev,
892 "del relay: bad command string, cnt=%d\n",
893 cnt);
894 goto command_write_done;
895 } else if (veb_seid < 0) {
896 dev_info(&pf->pdev->dev,
897 "del relay %d: bad relay seid\n", veb_seid);
898 goto command_write_done;
899 }
900
901
902 for (i = 0; i < I40E_MAX_VEB; i++)
903 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
904 break;
905 if (i >= I40E_MAX_VEB) {
906 dev_info(&pf->pdev->dev,
907 "del relay: relay %d not found\n", veb_seid);
908 goto command_write_done;
909 }
910
911 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
912 i40e_veb_release(pf->veb[i]);
913 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
914 i40e_status ret;
915 u16 vid;
916 unsigned int v;
917
918 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
919 if (cnt != 2) {
920 dev_info(&pf->pdev->dev,
921 "add pvid: bad command string, cnt=%d\n", cnt);
922 goto command_write_done;
923 }
924
925 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
926 if (!vsi) {
927 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
928 vsi_seid);
929 goto command_write_done;
930 }
931
932 vid = v;
933 ret = i40e_vsi_add_pvid(vsi, vid);
934 if (!ret)
935 dev_info(&pf->pdev->dev,
936 "add pvid: %d added to VSI %d\n",
937 vid, vsi_seid);
938 else
939 dev_info(&pf->pdev->dev,
940 "add pvid: %d to VSI %d failed, ret=%d\n",
941 vid, vsi_seid, ret);
942
943 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
944
945 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
946 if (cnt != 1) {
947 dev_info(&pf->pdev->dev,
948 "del pvid: bad command string, cnt=%d\n",
949 cnt);
950 goto command_write_done;
951 }
952
953 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
954 if (!vsi) {
955 dev_info(&pf->pdev->dev,
956 "del pvid: VSI %d not found\n", vsi_seid);
957 goto command_write_done;
958 }
959
960 i40e_vsi_remove_pvid(vsi);
961 dev_info(&pf->pdev->dev,
962 "del pvid: removed from VSI %d\n", vsi_seid);
963
964 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
965 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
966 i40e_fetch_switch_configuration(pf, true);
967 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
968 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
969 if (cnt > 0)
970 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
971 else
972 i40e_dbg_dump_vsi_no_seid(pf);
973 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
974 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
975 if (cnt > 0)
976 i40e_dbg_dump_veb_seid(pf, vsi_seid);
977 else
978 i40e_dbg_dump_veb_all(pf);
979 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
980 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
981 if (cnt > 0)
982 i40e_dbg_dump_vf(pf, vf_id);
983 else
984 i40e_dbg_dump_vf_all(pf);
985 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
986 int ring_id, desc_n;
987 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
988 cnt = sscanf(&cmd_buf[12], "%i %i %i",
989 &vsi_seid, &ring_id, &desc_n);
990 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
991 desc_n, pf, RING_TYPE_RX);
992 } else if (strncmp(&cmd_buf[10], "tx", 2)
993 == 0) {
994 cnt = sscanf(&cmd_buf[12], "%i %i %i",
995 &vsi_seid, &ring_id, &desc_n);
996 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
997 desc_n, pf, RING_TYPE_TX);
998 } else if (strncmp(&cmd_buf[10], "xdp", 3)
999 == 0) {
1000 cnt = sscanf(&cmd_buf[13], "%i %i %i",
1001 &vsi_seid, &ring_id, &desc_n);
1002 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1003 desc_n, pf, RING_TYPE_XDP);
1004 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1005 i40e_dbg_dump_aq_desc(pf);
1006 } else {
1007 dev_info(&pf->pdev->dev,
1008 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1009 dev_info(&pf->pdev->dev,
1010 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1011 dev_info(&pf->pdev->dev,
1012 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1013 dev_info(&pf->pdev->dev, "dump desc aq\n");
1014 }
1015 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1016 dev_info(&pf->pdev->dev,
1017 "core reset count: %d\n", pf->corer_count);
1018 dev_info(&pf->pdev->dev,
1019 "global reset count: %d\n", pf->globr_count);
1020 dev_info(&pf->pdev->dev,
1021 "emp reset count: %d\n", pf->empr_count);
1022 dev_info(&pf->pdev->dev,
1023 "pf reset count: %d\n", pf->pfr_count);
1024 dev_info(&pf->pdev->dev,
1025 "pf tx sluggish count: %d\n",
1026 pf->tx_sluggish_count);
1027 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1028 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1029 struct i40e_dcbx_config *cfg =
1030 &pf->hw.local_dcbx_config;
1031 struct i40e_dcbx_config *r_cfg =
1032 &pf->hw.remote_dcbx_config;
1033 int i, ret;
1034 u16 switch_id;
1035
1036 bw_data = kzalloc(sizeof(
1037 struct i40e_aqc_query_port_ets_config_resp),
1038 GFP_KERNEL);
1039 if (!bw_data) {
1040 ret = -ENOMEM;
1041 goto command_write_done;
1042 }
1043
1044 vsi = pf->vsi[pf->lan_vsi];
1045 switch_id =
1046 le16_to_cpu(vsi->info.switch_id) &
1047 I40E_AQ_VSI_SW_ID_MASK;
1048
1049 ret = i40e_aq_query_port_ets_config(&pf->hw,
1050 switch_id,
1051 bw_data, NULL);
1052 if (ret) {
1053 dev_info(&pf->pdev->dev,
1054 "Query Port ETS Config AQ command failed =0x%x\n",
1055 pf->hw.aq.asq_last_status);
1056 kfree(bw_data);
1057 bw_data = NULL;
1058 goto command_write_done;
1059 }
1060 dev_info(&pf->pdev->dev,
1061 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1062 bw_data->tc_valid_bits,
1063 bw_data->tc_strict_priority_bits,
1064 le16_to_cpu(bw_data->tc_bw_max[0]),
1065 le16_to_cpu(bw_data->tc_bw_max[1]));
1066 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1067 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1068 bw_data->tc_bw_share_credits[i],
1069 le16_to_cpu(bw_data->tc_bw_limits[i]));
1070 }
1071
1072 kfree(bw_data);
1073 bw_data = NULL;
1074
1075 dev_info(&pf->pdev->dev,
1076 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1077 dev_info(&pf->pdev->dev,
1078 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1079 cfg->etscfg.willing, cfg->etscfg.cbs,
1080 cfg->etscfg.maxtcs);
1081 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1082 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1083 i, cfg->etscfg.prioritytable[i],
1084 cfg->etscfg.tcbwtable[i],
1085 cfg->etscfg.tsatable[i]);
1086 }
1087 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1088 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1089 i, cfg->etsrec.prioritytable[i],
1090 cfg->etsrec.tcbwtable[i],
1091 cfg->etsrec.tsatable[i]);
1092 }
1093 dev_info(&pf->pdev->dev,
1094 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1095 cfg->pfc.willing, cfg->pfc.mbc,
1096 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1097 dev_info(&pf->pdev->dev,
1098 "port app_table: num_apps=%d\n", cfg->numapps);
1099 for (i = 0; i < cfg->numapps; i++) {
1100 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1101 i, cfg->app[i].priority,
1102 cfg->app[i].selector,
1103 cfg->app[i].protocolid);
1104 }
1105
1106 dev_info(&pf->pdev->dev,
1107 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1108 r_cfg->etscfg.willing,
1109 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1110 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1111 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1112 i, r_cfg->etscfg.prioritytable[i],
1113 r_cfg->etscfg.tcbwtable[i],
1114 r_cfg->etscfg.tsatable[i]);
1115 }
1116 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1117 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1118 i, r_cfg->etsrec.prioritytable[i],
1119 r_cfg->etsrec.tcbwtable[i],
1120 r_cfg->etsrec.tsatable[i]);
1121 }
1122 dev_info(&pf->pdev->dev,
1123 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1124 r_cfg->pfc.willing,
1125 r_cfg->pfc.mbc,
1126 r_cfg->pfc.pfccap,
1127 r_cfg->pfc.pfcenable);
1128 dev_info(&pf->pdev->dev,
1129 "remote port app_table: num_apps=%d\n",
1130 r_cfg->numapps);
1131 for (i = 0; i < r_cfg->numapps; i++) {
1132 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1133 i, r_cfg->app[i].priority,
1134 r_cfg->app[i].selector,
1135 r_cfg->app[i].protocolid);
1136 }
1137 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1138 int cluster_id, table_id;
1139 int index, ret;
1140 u16 buff_len = 4096;
1141 u32 next_index;
1142 u8 next_table;
1143 u8 *buff;
1144 u16 rlen;
1145
1146 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1147 &cluster_id, &table_id, &index);
1148 if (cnt != 3) {
1149 dev_info(&pf->pdev->dev,
1150 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1151 goto command_write_done;
1152 }
1153
1154 dev_info(&pf->pdev->dev,
1155 "AQ debug dump fwdata params %x %x %x %x\n",
1156 cluster_id, table_id, index, buff_len);
1157 buff = kzalloc(buff_len, GFP_KERNEL);
1158 if (!buff)
1159 goto command_write_done;
1160
1161 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1162 index, buff_len, buff, &rlen,
1163 &next_table, &next_index,
1164 NULL);
1165 if (ret) {
1166 dev_info(&pf->pdev->dev,
1167 "debug dump fwdata AQ Failed %d 0x%x\n",
1168 ret, pf->hw.aq.asq_last_status);
1169 kfree(buff);
1170 buff = NULL;
1171 goto command_write_done;
1172 }
1173 dev_info(&pf->pdev->dev,
1174 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1175 rlen, next_table, next_index);
1176 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1177 DUMP_PREFIX_OFFSET, 16, 1,
1178 buff, rlen, true);
1179 kfree(buff);
1180 buff = NULL;
1181 } else {
1182 dev_info(&pf->pdev->dev,
1183 "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");
1184 dev_info(&pf->pdev->dev, "dump switch\n");
1185 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1186 dev_info(&pf->pdev->dev, "dump reset stats\n");
1187 dev_info(&pf->pdev->dev, "dump port\n");
1188 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1189 dev_info(&pf->pdev->dev,
1190 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1191 }
1192 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1193 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1194 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1195
1196 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1197 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1198 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1199
1200 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1201 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1202 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1203
1204 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1205 u32 address;
1206 u32 value;
1207
1208 cnt = sscanf(&cmd_buf[4], "%i", &address);
1209 if (cnt != 1) {
1210 dev_info(&pf->pdev->dev, "read <reg>\n");
1211 goto command_write_done;
1212 }
1213
1214
1215 if (address > (pf->ioremap_len - sizeof(u32))) {
1216 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1217 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1218 goto command_write_done;
1219 }
1220
1221 value = rd32(&pf->hw, address);
1222 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1223 address, value);
1224
1225 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1226 u32 address, value;
1227
1228 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1229 if (cnt != 2) {
1230 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1231 goto command_write_done;
1232 }
1233
1234
1235 if (address > (pf->ioremap_len - sizeof(u32))) {
1236 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1237 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1238 goto command_write_done;
1239 }
1240 wr32(&pf->hw, address, value);
1241 value = rd32(&pf->hw, address);
1242 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1243 address, value);
1244 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1245 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1246 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1247 if (cnt == 0) {
1248 int i;
1249
1250 for (i = 0; i < pf->num_alloc_vsi; i++)
1251 i40e_vsi_reset_stats(pf->vsi[i]);
1252 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1253 } else if (cnt == 1) {
1254 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1255 if (!vsi) {
1256 dev_info(&pf->pdev->dev,
1257 "clear_stats vsi: bad vsi %d\n",
1258 vsi_seid);
1259 goto command_write_done;
1260 }
1261 i40e_vsi_reset_stats(vsi);
1262 dev_info(&pf->pdev->dev,
1263 "vsi clear stats called for vsi %d\n",
1264 vsi_seid);
1265 } else {
1266 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1267 }
1268 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1269 if (pf->hw.partition_id == 1) {
1270 i40e_pf_reset_stats(pf);
1271 dev_info(&pf->pdev->dev, "port stats cleared\n");
1272 } else {
1273 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1274 }
1275 } else {
1276 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1277 }
1278 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1279 struct i40e_aq_desc *desc;
1280 i40e_status ret;
1281
1282 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1283 if (!desc)
1284 goto command_write_done;
1285 cnt = sscanf(&cmd_buf[11],
1286 "%hi %hi %hi %hi %i %i %i %i %i %i",
1287 &desc->flags,
1288 &desc->opcode, &desc->datalen, &desc->retval,
1289 &desc->cookie_high, &desc->cookie_low,
1290 &desc->params.internal.param0,
1291 &desc->params.internal.param1,
1292 &desc->params.internal.param2,
1293 &desc->params.internal.param3);
1294 if (cnt != 10) {
1295 dev_info(&pf->pdev->dev,
1296 "send aq_cmd: bad command string, cnt=%d\n",
1297 cnt);
1298 kfree(desc);
1299 desc = NULL;
1300 goto command_write_done;
1301 }
1302 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1303 if (!ret) {
1304 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1305 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1306 dev_info(&pf->pdev->dev,
1307 "AQ command send failed Opcode %x AQ Error: %d\n",
1308 desc->opcode, pf->hw.aq.asq_last_status);
1309 } else {
1310 dev_info(&pf->pdev->dev,
1311 "AQ command send failed Opcode %x Status: %d\n",
1312 desc->opcode, ret);
1313 }
1314 dev_info(&pf->pdev->dev,
1315 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1316 desc->flags, desc->opcode, desc->datalen, desc->retval,
1317 desc->cookie_high, desc->cookie_low,
1318 desc->params.internal.param0,
1319 desc->params.internal.param1,
1320 desc->params.internal.param2,
1321 desc->params.internal.param3);
1322 kfree(desc);
1323 desc = NULL;
1324 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1325 struct i40e_aq_desc *desc;
1326 i40e_status ret;
1327 u16 buffer_len;
1328 u8 *buff;
1329
1330 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1331 if (!desc)
1332 goto command_write_done;
1333 cnt = sscanf(&cmd_buf[20],
1334 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1335 &desc->flags,
1336 &desc->opcode, &desc->datalen, &desc->retval,
1337 &desc->cookie_high, &desc->cookie_low,
1338 &desc->params.internal.param0,
1339 &desc->params.internal.param1,
1340 &desc->params.internal.param2,
1341 &desc->params.internal.param3,
1342 &buffer_len);
1343 if (cnt != 11) {
1344 dev_info(&pf->pdev->dev,
1345 "send indirect aq_cmd: bad command string, cnt=%d\n",
1346 cnt);
1347 kfree(desc);
1348 desc = NULL;
1349 goto command_write_done;
1350 }
1351
1352 if (buffer_len == 0)
1353 buffer_len = 1280;
1354
1355 buff = kzalloc(buffer_len, GFP_KERNEL);
1356 if (!buff) {
1357 kfree(desc);
1358 desc = NULL;
1359 goto command_write_done;
1360 }
1361 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1362 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1363 buffer_len, NULL);
1364 if (!ret) {
1365 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1366 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1367 dev_info(&pf->pdev->dev,
1368 "AQ command send failed Opcode %x AQ Error: %d\n",
1369 desc->opcode, pf->hw.aq.asq_last_status);
1370 } else {
1371 dev_info(&pf->pdev->dev,
1372 "AQ command send failed Opcode %x Status: %d\n",
1373 desc->opcode, ret);
1374 }
1375 dev_info(&pf->pdev->dev,
1376 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1377 desc->flags, desc->opcode, desc->datalen, desc->retval,
1378 desc->cookie_high, desc->cookie_low,
1379 desc->params.internal.param0,
1380 desc->params.internal.param1,
1381 desc->params.internal.param2,
1382 desc->params.internal.param3);
1383 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1384 DUMP_PREFIX_OFFSET, 16, 1,
1385 buff, buffer_len, true);
1386 kfree(buff);
1387 buff = NULL;
1388 kfree(desc);
1389 desc = NULL;
1390 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1391 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1392 i40e_get_current_fd_count(pf));
1393 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1394 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1395 int ret;
1396
1397 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1398 if (ret) {
1399 dev_info(&pf->pdev->dev,
1400 "Stop LLDP AQ command failed =0x%x\n",
1401 pf->hw.aq.asq_last_status);
1402 goto command_write_done;
1403 }
1404 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1405 pf->hw.mac.addr,
1406 ETH_P_LLDP, 0,
1407 pf->vsi[pf->lan_vsi]->seid,
1408 0, true, NULL, NULL);
1409 if (ret) {
1410 dev_info(&pf->pdev->dev,
1411 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1412 __func__, pf->hw.aq.asq_last_status);
1413 goto command_write_done;
1414 }
1415#ifdef CONFIG_I40E_DCB
1416 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1417 DCB_CAP_DCBX_VER_IEEE;
1418#endif
1419 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1420 int ret;
1421
1422 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1423 pf->hw.mac.addr,
1424 ETH_P_LLDP, 0,
1425 pf->vsi[pf->lan_vsi]->seid,
1426 0, false, NULL, NULL);
1427 if (ret) {
1428 dev_info(&pf->pdev->dev,
1429 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1430 __func__, pf->hw.aq.asq_last_status);
1431
1432 }
1433
1434 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1435 if (ret) {
1436 dev_info(&pf->pdev->dev,
1437 "Start LLDP AQ command failed =0x%x\n",
1438 pf->hw.aq.asq_last_status);
1439 goto command_write_done;
1440 }
1441#ifdef CONFIG_I40E_DCB
1442 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1443 DCB_CAP_DCBX_VER_IEEE;
1444#endif
1445 } else if (strncmp(&cmd_buf[5],
1446 "get local", 9) == 0) {
1447 u16 llen, rlen;
1448 int ret;
1449 u8 *buff;
1450
1451 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1452 if (!buff)
1453 goto command_write_done;
1454
1455 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1456 I40E_AQ_LLDP_MIB_LOCAL,
1457 buff, I40E_LLDPDU_SIZE,
1458 &llen, &rlen, NULL);
1459 if (ret) {
1460 dev_info(&pf->pdev->dev,
1461 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1462 pf->hw.aq.asq_last_status);
1463 kfree(buff);
1464 buff = NULL;
1465 goto command_write_done;
1466 }
1467 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1468 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1469 DUMP_PREFIX_OFFSET, 16, 1,
1470 buff, I40E_LLDPDU_SIZE, true);
1471 kfree(buff);
1472 buff = NULL;
1473 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1474 u16 llen, rlen;
1475 int ret;
1476 u8 *buff;
1477
1478 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1479 if (!buff)
1480 goto command_write_done;
1481
1482 ret = i40e_aq_get_lldp_mib(&pf->hw,
1483 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1484 I40E_AQ_LLDP_MIB_REMOTE,
1485 buff, I40E_LLDPDU_SIZE,
1486 &llen, &rlen, NULL);
1487 if (ret) {
1488 dev_info(&pf->pdev->dev,
1489 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1490 pf->hw.aq.asq_last_status);
1491 kfree(buff);
1492 buff = NULL;
1493 goto command_write_done;
1494 }
1495 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1496 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1497 DUMP_PREFIX_OFFSET, 16, 1,
1498 buff, I40E_LLDPDU_SIZE, true);
1499 kfree(buff);
1500 buff = NULL;
1501 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1502 int ret;
1503
1504 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1505 true, NULL);
1506 if (ret) {
1507 dev_info(&pf->pdev->dev,
1508 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1509 pf->hw.aq.asq_last_status);
1510 goto command_write_done;
1511 }
1512 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1513 int ret;
1514
1515 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1516 false, NULL);
1517 if (ret) {
1518 dev_info(&pf->pdev->dev,
1519 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1520 pf->hw.aq.asq_last_status);
1521 goto command_write_done;
1522 }
1523 }
1524 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1525 u16 buffer_len, bytes;
1526 u16 module;
1527 u32 offset;
1528 u16 *buff;
1529 int ret;
1530
1531 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1532 &module, &offset, &buffer_len);
1533 if (cnt == 0) {
1534 module = 0;
1535 offset = 0;
1536 buffer_len = 0;
1537 } else if (cnt == 1) {
1538 offset = 0;
1539 buffer_len = 0;
1540 } else if (cnt == 2) {
1541 buffer_len = 0;
1542 } else if (cnt > 3) {
1543 dev_info(&pf->pdev->dev,
1544 "nvm read: bad command string, cnt=%d\n", cnt);
1545 goto command_write_done;
1546 }
1547
1548
1549 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1550
1551 bytes = 2 * buffer_len;
1552
1553
1554 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1555 buff = kzalloc(bytes, GFP_KERNEL);
1556 if (!buff)
1557 goto command_write_done;
1558
1559 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1560 if (ret) {
1561 dev_info(&pf->pdev->dev,
1562 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1563 ret, pf->hw.aq.asq_last_status);
1564 kfree(buff);
1565 goto command_write_done;
1566 }
1567
1568 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1569 bytes, (u8 *)buff, true, NULL);
1570 i40e_release_nvm(&pf->hw);
1571 if (ret) {
1572 dev_info(&pf->pdev->dev,
1573 "Read NVM AQ failed err=%d status=0x%x\n",
1574 ret, pf->hw.aq.asq_last_status);
1575 } else {
1576 dev_info(&pf->pdev->dev,
1577 "Read NVM module=0x%x offset=0x%x words=%d\n",
1578 module, offset, buffer_len);
1579 if (bytes)
1580 print_hex_dump(KERN_INFO, "NVM Dump: ",
1581 DUMP_PREFIX_OFFSET, 16, 2,
1582 buff, bytes, true);
1583 }
1584 kfree(buff);
1585 buff = NULL;
1586 } else {
1587 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1588 dev_info(&pf->pdev->dev, "available commands\n");
1589 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1590 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1591 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1592 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1593 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1594 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1595 dev_info(&pf->pdev->dev, " dump switch\n");
1596 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1597 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1598 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1599 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1600 dev_info(&pf->pdev->dev, " dump desc aq\n");
1601 dev_info(&pf->pdev->dev, " dump reset stats\n");
1602 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1603 dev_info(&pf->pdev->dev, " read <reg>\n");
1604 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1605 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1606 dev_info(&pf->pdev->dev, " clear_stats port\n");
1607 dev_info(&pf->pdev->dev, " pfr\n");
1608 dev_info(&pf->pdev->dev, " corer\n");
1609 dev_info(&pf->pdev->dev, " globr\n");
1610 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1611 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1612 dev_info(&pf->pdev->dev, " fd current cnt");
1613 dev_info(&pf->pdev->dev, " lldp start\n");
1614 dev_info(&pf->pdev->dev, " lldp stop\n");
1615 dev_info(&pf->pdev->dev, " lldp get local\n");
1616 dev_info(&pf->pdev->dev, " lldp get remote\n");
1617 dev_info(&pf->pdev->dev, " lldp event on\n");
1618 dev_info(&pf->pdev->dev, " lldp event off\n");
1619 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1620 }
1621
1622command_write_done:
1623 kfree(cmd_buf);
1624 cmd_buf = NULL;
1625 return count;
1626}
1627
1628static const struct file_operations i40e_dbg_command_fops = {
1629 .owner = THIS_MODULE,
1630 .open = simple_open,
1631 .read = i40e_dbg_command_read,
1632 .write = i40e_dbg_command_write,
1633};
1634
1635
1636
1637
1638
1639
1640static char i40e_dbg_netdev_ops_buf[256] = "";
1641
1642
1643
1644
1645
1646
1647
1648
1649static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1650 size_t count, loff_t *ppos)
1651{
1652 struct i40e_pf *pf = filp->private_data;
1653 int bytes_not_copied;
1654 int buf_size = 256;
1655 char *buf;
1656 int len;
1657
1658
1659 if (*ppos != 0)
1660 return 0;
1661 if (count < buf_size)
1662 return -ENOSPC;
1663
1664 buf = kzalloc(buf_size, GFP_KERNEL);
1665 if (!buf)
1666 return -ENOSPC;
1667
1668 len = snprintf(buf, buf_size, "%s: %s\n",
1669 pf->vsi[pf->lan_vsi]->netdev->name,
1670 i40e_dbg_netdev_ops_buf);
1671
1672 bytes_not_copied = copy_to_user(buffer, buf, len);
1673 kfree(buf);
1674
1675 if (bytes_not_copied)
1676 return -EFAULT;
1677
1678 *ppos = len;
1679 return len;
1680}
1681
1682
1683
1684
1685
1686
1687
1688
1689static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1690 const char __user *buffer,
1691 size_t count, loff_t *ppos)
1692{
1693 struct i40e_pf *pf = filp->private_data;
1694 int bytes_not_copied;
1695 struct i40e_vsi *vsi;
1696 char *buf_tmp;
1697 int vsi_seid;
1698 int i, cnt;
1699
1700
1701 if (*ppos != 0)
1702 return 0;
1703 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1704 return -ENOSPC;
1705
1706 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1707 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1708 buffer, count);
1709 if (bytes_not_copied)
1710 return -EFAULT;
1711 i40e_dbg_netdev_ops_buf[count] = '\0';
1712
1713 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1714 if (buf_tmp) {
1715 *buf_tmp = '\0';
1716 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1717 }
1718
1719 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1720 int mtu;
1721
1722 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1723 &vsi_seid, &mtu);
1724 if (cnt != 2) {
1725 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1726 goto netdev_ops_write_done;
1727 }
1728 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1729 if (!vsi) {
1730 dev_info(&pf->pdev->dev,
1731 "change_mtu: VSI %d not found\n", vsi_seid);
1732 } else if (!vsi->netdev) {
1733 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1734 vsi_seid);
1735 } else if (rtnl_trylock()) {
1736 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1737 mtu);
1738 rtnl_unlock();
1739 dev_info(&pf->pdev->dev, "change_mtu called\n");
1740 } else {
1741 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1742 }
1743
1744 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1745 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1746 if (cnt != 1) {
1747 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1748 goto netdev_ops_write_done;
1749 }
1750 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1751 if (!vsi) {
1752 dev_info(&pf->pdev->dev,
1753 "set_rx_mode: VSI %d not found\n", vsi_seid);
1754 } else if (!vsi->netdev) {
1755 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1756 vsi_seid);
1757 } else if (rtnl_trylock()) {
1758 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1759 rtnl_unlock();
1760 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1761 } else {
1762 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1763 }
1764
1765 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1766 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1767 if (cnt != 1) {
1768 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1769 goto netdev_ops_write_done;
1770 }
1771 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1772 if (!vsi) {
1773 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1774 vsi_seid);
1775 } else if (!vsi->netdev) {
1776 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1777 vsi_seid);
1778 } else {
1779 for (i = 0; i < vsi->num_q_vectors; i++)
1780 napi_schedule(&vsi->q_vectors[i]->napi);
1781 dev_info(&pf->pdev->dev, "napi called\n");
1782 }
1783 } else {
1784 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1785 i40e_dbg_netdev_ops_buf);
1786 dev_info(&pf->pdev->dev, "available commands\n");
1787 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1788 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1789 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1790 }
1791netdev_ops_write_done:
1792 return count;
1793}
1794
1795static const struct file_operations i40e_dbg_netdev_ops_fops = {
1796 .owner = THIS_MODULE,
1797 .open = simple_open,
1798 .read = i40e_dbg_netdev_ops_read,
1799 .write = i40e_dbg_netdev_ops_write,
1800};
1801
1802
1803
1804
1805
1806void i40e_dbg_pf_init(struct i40e_pf *pf)
1807{
1808 const char *name = pci_name(pf->pdev);
1809
1810 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1811
1812 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1813 &i40e_dbg_command_fops);
1814
1815 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1816 &i40e_dbg_netdev_ops_fops);
1817}
1818
1819
1820
1821
1822
1823void i40e_dbg_pf_exit(struct i40e_pf *pf)
1824{
1825 debugfs_remove_recursive(pf->i40e_dbg_pf);
1826 pf->i40e_dbg_pf = NULL;
1827}
1828
1829
1830
1831
1832void i40e_dbg_init(void)
1833{
1834 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1835 if (!i40e_dbg_root)
1836 pr_info("init of debugfs failed\n");
1837}
1838
1839
1840
1841
1842void i40e_dbg_exit(void)
1843{
1844 debugfs_remove_recursive(i40e_dbg_root);
1845 i40e_dbg_root = NULL;
1846}
1847
1848#endif
1849
