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 default:
582 ring = NULL;
583 break;
584 }
585 if (!ring)
586 return;
587
588 if (cnt == 2) {
589 switch (type) {
590 case RING_TYPE_RX:
591 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
592 break;
593 case RING_TYPE_TX:
594 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
595 break;
596 case RING_TYPE_XDP:
597 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
598 break;
599 }
600 for (i = 0; i < ring->count; i++) {
601 if (!is_rx_ring) {
602 txd = I40E_TX_DESC(ring, i);
603 dev_info(&pf->pdev->dev,
604 " d[%03x] = 0x%016llx 0x%016llx\n",
605 i, txd->buffer_addr,
606 txd->cmd_type_offset_bsz);
607 } else {
608 rxd = I40E_RX_DESC(ring, i);
609 dev_info(&pf->pdev->dev,
610 " d[%03x] = 0x%016llx 0x%016llx\n",
611 i, rxd->read.pkt_addr,
612 rxd->read.hdr_addr);
613 }
614 }
615 } else if (cnt == 3) {
616 if (desc_n >= ring->count || desc_n < 0) {
617 dev_info(&pf->pdev->dev,
618 "descriptor %d not found\n", desc_n);
619 goto out;
620 }
621 if (!is_rx_ring) {
622 txd = I40E_TX_DESC(ring, desc_n);
623 dev_info(&pf->pdev->dev,
624 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
625 vsi_seid, ring_id, desc_n,
626 txd->buffer_addr, txd->cmd_type_offset_bsz);
627 } else {
628 rxd = I40E_RX_DESC(ring, desc_n);
629 dev_info(&pf->pdev->dev,
630 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
631 vsi_seid, ring_id, desc_n,
632 rxd->read.pkt_addr, rxd->read.hdr_addr);
633 }
634 } else {
635 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
636 }
637
638out:
639 kfree(ring);
640}
641
642
643
644
645
646static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
647{
648 int i;
649
650 for (i = 0; i < pf->num_alloc_vsi; i++)
651 if (pf->vsi[i])
652 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
653 i, pf->vsi[i]->seid);
654}
655
656
657
658
659
660
661static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
662 struct i40e_eth_stats *estats)
663{
664 dev_info(&pf->pdev->dev, " ethstats:\n");
665 dev_info(&pf->pdev->dev,
666 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
667 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
668 dev_info(&pf->pdev->dev,
669 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
670 estats->rx_broadcast, estats->rx_discards);
671 dev_info(&pf->pdev->dev,
672 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
673 estats->rx_unknown_protocol, estats->tx_bytes);
674 dev_info(&pf->pdev->dev,
675 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
676 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
677 dev_info(&pf->pdev->dev,
678 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
679 estats->tx_discards, estats->tx_errors);
680}
681
682
683
684
685
686
687static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
688{
689 struct i40e_veb *veb;
690
691 veb = i40e_dbg_find_veb(pf, seid);
692 if (!veb) {
693 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
694 return;
695 }
696 dev_info(&pf->pdev->dev,
697 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
698 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
699 veb->uplink_seid,
700 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
701 i40e_dbg_dump_eth_stats(pf, &veb->stats);
702}
703
704
705
706
707
708static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
709{
710 struct i40e_veb *veb;
711 int i;
712
713 for (i = 0; i < I40E_MAX_VEB; i++) {
714 veb = pf->veb[i];
715 if (veb)
716 i40e_dbg_dump_veb_seid(pf, veb->seid);
717 }
718}
719
720
721
722
723
724
725static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
726{
727 struct i40e_vf *vf;
728 struct i40e_vsi *vsi;
729
730 if (!pf->num_alloc_vfs) {
731 dev_info(&pf->pdev->dev, "no VFs allocated\n");
732 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
733 vf = &pf->vf[vf_id];
734 vsi = pf->vsi[vf->lan_vsi_idx];
735 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
736 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
737 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
738 vf->num_mdd_events,
739 vf->num_invalid_msgs,
740 vf->num_valid_msgs);
741 } else {
742 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
743 }
744}
745
746
747
748
749
750static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
751{
752 int i;
753
754 if (!pf->num_alloc_vfs)
755 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
756 else
757 for (i = 0; i < pf->num_alloc_vfs; i++)
758 i40e_dbg_dump_vf(pf, i);
759}
760
761
762
763
764
765
766
767
768static ssize_t i40e_dbg_command_write(struct file *filp,
769 const char __user *buffer,
770 size_t count, loff_t *ppos)
771{
772 struct i40e_pf *pf = filp->private_data;
773 char *cmd_buf, *cmd_buf_tmp;
774 int bytes_not_copied;
775 struct i40e_vsi *vsi;
776 int vsi_seid;
777 int veb_seid;
778 int vf_id;
779 int cnt;
780
781
782 if (*ppos != 0)
783 return 0;
784
785 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
786 if (!cmd_buf)
787 return count;
788 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
789 if (bytes_not_copied) {
790 kfree(cmd_buf);
791 return -EFAULT;
792 }
793 cmd_buf[count] = '\0';
794
795 cmd_buf_tmp = strchr(cmd_buf, '\n');
796 if (cmd_buf_tmp) {
797 *cmd_buf_tmp = '\0';
798 count = cmd_buf_tmp - cmd_buf + 1;
799 }
800
801 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
802 vsi_seid = -1;
803 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
804 if (cnt == 0) {
805
806 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
807 } else if (vsi_seid < 0) {
808 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
809 vsi_seid);
810 goto command_write_done;
811 }
812
813
814
815
816 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
817 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
818 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
819 }
820
821 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
822 if (vsi)
823 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
824 vsi->seid, vsi->uplink_seid);
825 else
826 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
827
828 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
829 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
830 if (cnt != 1) {
831 dev_info(&pf->pdev->dev,
832 "del vsi: bad command string, cnt=%d\n",
833 cnt);
834 goto command_write_done;
835 }
836 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
837 if (!vsi) {
838 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
839 vsi_seid);
840 goto command_write_done;
841 }
842
843 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
844 i40e_vsi_release(vsi);
845
846 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
847 struct i40e_veb *veb;
848 int uplink_seid, i;
849
850 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
851 if (cnt != 2) {
852 dev_info(&pf->pdev->dev,
853 "add relay: bad command string, cnt=%d\n",
854 cnt);
855 goto command_write_done;
856 } else if (uplink_seid < 0) {
857 dev_info(&pf->pdev->dev,
858 "add relay %d: bad uplink seid\n",
859 uplink_seid);
860 goto command_write_done;
861 }
862
863 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
864 if (!vsi) {
865 dev_info(&pf->pdev->dev,
866 "add relay: VSI %d not found\n", vsi_seid);
867 goto command_write_done;
868 }
869
870 for (i = 0; i < I40E_MAX_VEB; i++)
871 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
872 break;
873 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
874 uplink_seid != pf->mac_seid) {
875 dev_info(&pf->pdev->dev,
876 "add relay: relay uplink %d not found\n",
877 uplink_seid);
878 goto command_write_done;
879 }
880
881 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
882 vsi->tc_config.enabled_tc);
883 if (veb)
884 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
885 else
886 dev_info(&pf->pdev->dev, "add relay failed\n");
887
888 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
889 int i;
890 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
891 if (cnt != 1) {
892 dev_info(&pf->pdev->dev,
893 "del relay: bad command string, cnt=%d\n",
894 cnt);
895 goto command_write_done;
896 } else if (veb_seid < 0) {
897 dev_info(&pf->pdev->dev,
898 "del relay %d: bad relay seid\n", veb_seid);
899 goto command_write_done;
900 }
901
902
903 for (i = 0; i < I40E_MAX_VEB; i++)
904 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
905 break;
906 if (i >= I40E_MAX_VEB) {
907 dev_info(&pf->pdev->dev,
908 "del relay: relay %d not found\n", veb_seid);
909 goto command_write_done;
910 }
911
912 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
913 i40e_veb_release(pf->veb[i]);
914 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
915 i40e_status ret;
916 u16 vid;
917 unsigned int v;
918
919 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
920 if (cnt != 2) {
921 dev_info(&pf->pdev->dev,
922 "add pvid: bad command string, cnt=%d\n", cnt);
923 goto command_write_done;
924 }
925
926 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
927 if (!vsi) {
928 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
929 vsi_seid);
930 goto command_write_done;
931 }
932
933 vid = v;
934 ret = i40e_vsi_add_pvid(vsi, vid);
935 if (!ret)
936 dev_info(&pf->pdev->dev,
937 "add pvid: %d added to VSI %d\n",
938 vid, vsi_seid);
939 else
940 dev_info(&pf->pdev->dev,
941 "add pvid: %d to VSI %d failed, ret=%d\n",
942 vid, vsi_seid, ret);
943
944 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
945
946 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
947 if (cnt != 1) {
948 dev_info(&pf->pdev->dev,
949 "del pvid: bad command string, cnt=%d\n",
950 cnt);
951 goto command_write_done;
952 }
953
954 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
955 if (!vsi) {
956 dev_info(&pf->pdev->dev,
957 "del pvid: VSI %d not found\n", vsi_seid);
958 goto command_write_done;
959 }
960
961 i40e_vsi_remove_pvid(vsi);
962 dev_info(&pf->pdev->dev,
963 "del pvid: removed from VSI %d\n", vsi_seid);
964
965 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
966 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
967 i40e_fetch_switch_configuration(pf, true);
968 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
969 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
970 if (cnt > 0)
971 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
972 else
973 i40e_dbg_dump_vsi_no_seid(pf);
974 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
975 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
976 if (cnt > 0)
977 i40e_dbg_dump_veb_seid(pf, vsi_seid);
978 else
979 i40e_dbg_dump_veb_all(pf);
980 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
981 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
982 if (cnt > 0)
983 i40e_dbg_dump_vf(pf, vf_id);
984 else
985 i40e_dbg_dump_vf_all(pf);
986 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
987 int ring_id, desc_n;
988 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
989 cnt = sscanf(&cmd_buf[12], "%i %i %i",
990 &vsi_seid, &ring_id, &desc_n);
991 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
992 desc_n, pf, RING_TYPE_RX);
993 } else if (strncmp(&cmd_buf[10], "tx", 2)
994 == 0) {
995 cnt = sscanf(&cmd_buf[12], "%i %i %i",
996 &vsi_seid, &ring_id, &desc_n);
997 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
998 desc_n, pf, RING_TYPE_TX);
999 } else if (strncmp(&cmd_buf[10], "xdp", 3)
1000 == 0) {
1001 cnt = sscanf(&cmd_buf[13], "%i %i %i",
1002 &vsi_seid, &ring_id, &desc_n);
1003 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1004 desc_n, pf, RING_TYPE_XDP);
1005 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1006 i40e_dbg_dump_aq_desc(pf);
1007 } else {
1008 dev_info(&pf->pdev->dev,
1009 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1010 dev_info(&pf->pdev->dev,
1011 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1012 dev_info(&pf->pdev->dev,
1013 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1014 dev_info(&pf->pdev->dev, "dump desc aq\n");
1015 }
1016 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1017 dev_info(&pf->pdev->dev,
1018 "core reset count: %d\n", pf->corer_count);
1019 dev_info(&pf->pdev->dev,
1020 "global reset count: %d\n", pf->globr_count);
1021 dev_info(&pf->pdev->dev,
1022 "emp reset count: %d\n", pf->empr_count);
1023 dev_info(&pf->pdev->dev,
1024 "pf reset count: %d\n", pf->pfr_count);
1025 dev_info(&pf->pdev->dev,
1026 "pf tx sluggish count: %d\n",
1027 pf->tx_sluggish_count);
1028 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1029 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1030 struct i40e_dcbx_config *cfg =
1031 &pf->hw.local_dcbx_config;
1032 struct i40e_dcbx_config *r_cfg =
1033 &pf->hw.remote_dcbx_config;
1034 int i, ret;
1035 u16 switch_id;
1036
1037 bw_data = kzalloc(sizeof(
1038 struct i40e_aqc_query_port_ets_config_resp),
1039 GFP_KERNEL);
1040 if (!bw_data) {
1041 ret = -ENOMEM;
1042 goto command_write_done;
1043 }
1044
1045 vsi = pf->vsi[pf->lan_vsi];
1046 switch_id =
1047 le16_to_cpu(vsi->info.switch_id) &
1048 I40E_AQ_VSI_SW_ID_MASK;
1049
1050 ret = i40e_aq_query_port_ets_config(&pf->hw,
1051 switch_id,
1052 bw_data, NULL);
1053 if (ret) {
1054 dev_info(&pf->pdev->dev,
1055 "Query Port ETS Config AQ command failed =0x%x\n",
1056 pf->hw.aq.asq_last_status);
1057 kfree(bw_data);
1058 bw_data = NULL;
1059 goto command_write_done;
1060 }
1061 dev_info(&pf->pdev->dev,
1062 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1063 bw_data->tc_valid_bits,
1064 bw_data->tc_strict_priority_bits,
1065 le16_to_cpu(bw_data->tc_bw_max[0]),
1066 le16_to_cpu(bw_data->tc_bw_max[1]));
1067 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1068 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1069 bw_data->tc_bw_share_credits[i],
1070 le16_to_cpu(bw_data->tc_bw_limits[i]));
1071 }
1072
1073 kfree(bw_data);
1074 bw_data = NULL;
1075
1076 dev_info(&pf->pdev->dev,
1077 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1078 dev_info(&pf->pdev->dev,
1079 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1080 cfg->etscfg.willing, cfg->etscfg.cbs,
1081 cfg->etscfg.maxtcs);
1082 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1083 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1084 i, cfg->etscfg.prioritytable[i],
1085 cfg->etscfg.tcbwtable[i],
1086 cfg->etscfg.tsatable[i]);
1087 }
1088 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1089 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1090 i, cfg->etsrec.prioritytable[i],
1091 cfg->etsrec.tcbwtable[i],
1092 cfg->etsrec.tsatable[i]);
1093 }
1094 dev_info(&pf->pdev->dev,
1095 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1096 cfg->pfc.willing, cfg->pfc.mbc,
1097 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1098 dev_info(&pf->pdev->dev,
1099 "port app_table: num_apps=%d\n", cfg->numapps);
1100 for (i = 0; i < cfg->numapps; i++) {
1101 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1102 i, cfg->app[i].priority,
1103 cfg->app[i].selector,
1104 cfg->app[i].protocolid);
1105 }
1106
1107 dev_info(&pf->pdev->dev,
1108 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1109 r_cfg->etscfg.willing,
1110 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1111 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1112 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1113 i, r_cfg->etscfg.prioritytable[i],
1114 r_cfg->etscfg.tcbwtable[i],
1115 r_cfg->etscfg.tsatable[i]);
1116 }
1117 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1118 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1119 i, r_cfg->etsrec.prioritytable[i],
1120 r_cfg->etsrec.tcbwtable[i],
1121 r_cfg->etsrec.tsatable[i]);
1122 }
1123 dev_info(&pf->pdev->dev,
1124 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1125 r_cfg->pfc.willing,
1126 r_cfg->pfc.mbc,
1127 r_cfg->pfc.pfccap,
1128 r_cfg->pfc.pfcenable);
1129 dev_info(&pf->pdev->dev,
1130 "remote port app_table: num_apps=%d\n",
1131 r_cfg->numapps);
1132 for (i = 0; i < r_cfg->numapps; i++) {
1133 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1134 i, r_cfg->app[i].priority,
1135 r_cfg->app[i].selector,
1136 r_cfg->app[i].protocolid);
1137 }
1138 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1139 int cluster_id, table_id;
1140 int index, ret;
1141 u16 buff_len = 4096;
1142 u32 next_index;
1143 u8 next_table;
1144 u8 *buff;
1145 u16 rlen;
1146
1147 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1148 &cluster_id, &table_id, &index);
1149 if (cnt != 3) {
1150 dev_info(&pf->pdev->dev,
1151 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1152 goto command_write_done;
1153 }
1154
1155 dev_info(&pf->pdev->dev,
1156 "AQ debug dump fwdata params %x %x %x %x\n",
1157 cluster_id, table_id, index, buff_len);
1158 buff = kzalloc(buff_len, GFP_KERNEL);
1159 if (!buff)
1160 goto command_write_done;
1161
1162 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1163 index, buff_len, buff, &rlen,
1164 &next_table, &next_index,
1165 NULL);
1166 if (ret) {
1167 dev_info(&pf->pdev->dev,
1168 "debug dump fwdata AQ Failed %d 0x%x\n",
1169 ret, pf->hw.aq.asq_last_status);
1170 kfree(buff);
1171 buff = NULL;
1172 goto command_write_done;
1173 }
1174 dev_info(&pf->pdev->dev,
1175 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1176 rlen, next_table, next_index);
1177 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1178 DUMP_PREFIX_OFFSET, 16, 1,
1179 buff, rlen, true);
1180 kfree(buff);
1181 buff = NULL;
1182 } else {
1183 dev_info(&pf->pdev->dev,
1184 "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");
1185 dev_info(&pf->pdev->dev, "dump switch\n");
1186 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1187 dev_info(&pf->pdev->dev, "dump reset stats\n");
1188 dev_info(&pf->pdev->dev, "dump port\n");
1189 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1190 dev_info(&pf->pdev->dev,
1191 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1192 }
1193 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1194 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1195 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1196
1197 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1198 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1199 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1200
1201 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1202 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1203 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1204
1205 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1206 u32 address;
1207 u32 value;
1208
1209 cnt = sscanf(&cmd_buf[4], "%i", &address);
1210 if (cnt != 1) {
1211 dev_info(&pf->pdev->dev, "read <reg>\n");
1212 goto command_write_done;
1213 }
1214
1215
1216 if (address > (pf->ioremap_len - sizeof(u32))) {
1217 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1218 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1219 goto command_write_done;
1220 }
1221
1222 value = rd32(&pf->hw, address);
1223 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1224 address, value);
1225
1226 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1227 u32 address, value;
1228
1229 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1230 if (cnt != 2) {
1231 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1232 goto command_write_done;
1233 }
1234
1235
1236 if (address > (pf->ioremap_len - sizeof(u32))) {
1237 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1238 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1239 goto command_write_done;
1240 }
1241 wr32(&pf->hw, address, value);
1242 value = rd32(&pf->hw, address);
1243 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1244 address, value);
1245 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1246 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1247 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1248 if (cnt == 0) {
1249 int i;
1250
1251 for (i = 0; i < pf->num_alloc_vsi; i++)
1252 i40e_vsi_reset_stats(pf->vsi[i]);
1253 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1254 } else if (cnt == 1) {
1255 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1256 if (!vsi) {
1257 dev_info(&pf->pdev->dev,
1258 "clear_stats vsi: bad vsi %d\n",
1259 vsi_seid);
1260 goto command_write_done;
1261 }
1262 i40e_vsi_reset_stats(vsi);
1263 dev_info(&pf->pdev->dev,
1264 "vsi clear stats called for vsi %d\n",
1265 vsi_seid);
1266 } else {
1267 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1268 }
1269 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1270 if (pf->hw.partition_id == 1) {
1271 i40e_pf_reset_stats(pf);
1272 dev_info(&pf->pdev->dev, "port stats cleared\n");
1273 } else {
1274 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1275 }
1276 } else {
1277 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1278 }
1279 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1280 struct i40e_aq_desc *desc;
1281 i40e_status ret;
1282
1283 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1284 if (!desc)
1285 goto command_write_done;
1286 cnt = sscanf(&cmd_buf[11],
1287 "%hi %hi %hi %hi %i %i %i %i %i %i",
1288 &desc->flags,
1289 &desc->opcode, &desc->datalen, &desc->retval,
1290 &desc->cookie_high, &desc->cookie_low,
1291 &desc->params.internal.param0,
1292 &desc->params.internal.param1,
1293 &desc->params.internal.param2,
1294 &desc->params.internal.param3);
1295 if (cnt != 10) {
1296 dev_info(&pf->pdev->dev,
1297 "send aq_cmd: bad command string, cnt=%d\n",
1298 cnt);
1299 kfree(desc);
1300 desc = NULL;
1301 goto command_write_done;
1302 }
1303 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1304 if (!ret) {
1305 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1306 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1307 dev_info(&pf->pdev->dev,
1308 "AQ command send failed Opcode %x AQ Error: %d\n",
1309 desc->opcode, pf->hw.aq.asq_last_status);
1310 } else {
1311 dev_info(&pf->pdev->dev,
1312 "AQ command send failed Opcode %x Status: %d\n",
1313 desc->opcode, ret);
1314 }
1315 dev_info(&pf->pdev->dev,
1316 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1317 desc->flags, desc->opcode, desc->datalen, desc->retval,
1318 desc->cookie_high, desc->cookie_low,
1319 desc->params.internal.param0,
1320 desc->params.internal.param1,
1321 desc->params.internal.param2,
1322 desc->params.internal.param3);
1323 kfree(desc);
1324 desc = NULL;
1325 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1326 struct i40e_aq_desc *desc;
1327 i40e_status ret;
1328 u16 buffer_len;
1329 u8 *buff;
1330
1331 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1332 if (!desc)
1333 goto command_write_done;
1334 cnt = sscanf(&cmd_buf[20],
1335 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1336 &desc->flags,
1337 &desc->opcode, &desc->datalen, &desc->retval,
1338 &desc->cookie_high, &desc->cookie_low,
1339 &desc->params.internal.param0,
1340 &desc->params.internal.param1,
1341 &desc->params.internal.param2,
1342 &desc->params.internal.param3,
1343 &buffer_len);
1344 if (cnt != 11) {
1345 dev_info(&pf->pdev->dev,
1346 "send indirect aq_cmd: bad command string, cnt=%d\n",
1347 cnt);
1348 kfree(desc);
1349 desc = NULL;
1350 goto command_write_done;
1351 }
1352
1353 if (buffer_len == 0)
1354 buffer_len = 1280;
1355
1356 buff = kzalloc(buffer_len, GFP_KERNEL);
1357 if (!buff) {
1358 kfree(desc);
1359 desc = NULL;
1360 goto command_write_done;
1361 }
1362 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1363 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1364 buffer_len, NULL);
1365 if (!ret) {
1366 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1367 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1368 dev_info(&pf->pdev->dev,
1369 "AQ command send failed Opcode %x AQ Error: %d\n",
1370 desc->opcode, pf->hw.aq.asq_last_status);
1371 } else {
1372 dev_info(&pf->pdev->dev,
1373 "AQ command send failed Opcode %x Status: %d\n",
1374 desc->opcode, ret);
1375 }
1376 dev_info(&pf->pdev->dev,
1377 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1378 desc->flags, desc->opcode, desc->datalen, desc->retval,
1379 desc->cookie_high, desc->cookie_low,
1380 desc->params.internal.param0,
1381 desc->params.internal.param1,
1382 desc->params.internal.param2,
1383 desc->params.internal.param3);
1384 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1385 DUMP_PREFIX_OFFSET, 16, 1,
1386 buff, buffer_len, true);
1387 kfree(buff);
1388 buff = NULL;
1389 kfree(desc);
1390 desc = NULL;
1391 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1392 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1393 i40e_get_current_fd_count(pf));
1394 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1395 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1396 int ret;
1397
1398 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1399 if (ret) {
1400 dev_info(&pf->pdev->dev,
1401 "Stop LLDP AQ command failed =0x%x\n",
1402 pf->hw.aq.asq_last_status);
1403 goto command_write_done;
1404 }
1405 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1406 pf->hw.mac.addr,
1407 ETH_P_LLDP, 0,
1408 pf->vsi[pf->lan_vsi]->seid,
1409 0, true, NULL, NULL);
1410 if (ret) {
1411 dev_info(&pf->pdev->dev,
1412 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1413 __func__, pf->hw.aq.asq_last_status);
1414 goto command_write_done;
1415 }
1416#ifdef CONFIG_I40E_DCB
1417 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1418 DCB_CAP_DCBX_VER_IEEE;
1419#endif
1420 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1421 int ret;
1422
1423 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1424 pf->hw.mac.addr,
1425 ETH_P_LLDP, 0,
1426 pf->vsi[pf->lan_vsi]->seid,
1427 0, false, NULL, NULL);
1428 if (ret) {
1429 dev_info(&pf->pdev->dev,
1430 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1431 __func__, pf->hw.aq.asq_last_status);
1432
1433 }
1434
1435 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1436 if (ret) {
1437 dev_info(&pf->pdev->dev,
1438 "Start LLDP AQ command failed =0x%x\n",
1439 pf->hw.aq.asq_last_status);
1440 goto command_write_done;
1441 }
1442#ifdef CONFIG_I40E_DCB
1443 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1444 DCB_CAP_DCBX_VER_IEEE;
1445#endif
1446 } else if (strncmp(&cmd_buf[5],
1447 "get local", 9) == 0) {
1448 u16 llen, rlen;
1449 int ret;
1450 u8 *buff;
1451
1452 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1453 if (!buff)
1454 goto command_write_done;
1455
1456 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1457 I40E_AQ_LLDP_MIB_LOCAL,
1458 buff, I40E_LLDPDU_SIZE,
1459 &llen, &rlen, NULL);
1460 if (ret) {
1461 dev_info(&pf->pdev->dev,
1462 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1463 pf->hw.aq.asq_last_status);
1464 kfree(buff);
1465 buff = NULL;
1466 goto command_write_done;
1467 }
1468 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1469 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1470 DUMP_PREFIX_OFFSET, 16, 1,
1471 buff, I40E_LLDPDU_SIZE, true);
1472 kfree(buff);
1473 buff = NULL;
1474 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1475 u16 llen, rlen;
1476 int ret;
1477 u8 *buff;
1478
1479 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1480 if (!buff)
1481 goto command_write_done;
1482
1483 ret = i40e_aq_get_lldp_mib(&pf->hw,
1484 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1485 I40E_AQ_LLDP_MIB_REMOTE,
1486 buff, I40E_LLDPDU_SIZE,
1487 &llen, &rlen, NULL);
1488 if (ret) {
1489 dev_info(&pf->pdev->dev,
1490 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1491 pf->hw.aq.asq_last_status);
1492 kfree(buff);
1493 buff = NULL;
1494 goto command_write_done;
1495 }
1496 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1497 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1498 DUMP_PREFIX_OFFSET, 16, 1,
1499 buff, I40E_LLDPDU_SIZE, true);
1500 kfree(buff);
1501 buff = NULL;
1502 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1503 int ret;
1504
1505 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1506 true, NULL);
1507 if (ret) {
1508 dev_info(&pf->pdev->dev,
1509 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1510 pf->hw.aq.asq_last_status);
1511 goto command_write_done;
1512 }
1513 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1514 int ret;
1515
1516 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1517 false, NULL);
1518 if (ret) {
1519 dev_info(&pf->pdev->dev,
1520 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1521 pf->hw.aq.asq_last_status);
1522 goto command_write_done;
1523 }
1524 }
1525 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1526 u16 buffer_len, bytes;
1527 u16 module;
1528 u32 offset;
1529 u16 *buff;
1530 int ret;
1531
1532 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1533 &module, &offset, &buffer_len);
1534 if (cnt == 0) {
1535 module = 0;
1536 offset = 0;
1537 buffer_len = 0;
1538 } else if (cnt == 1) {
1539 offset = 0;
1540 buffer_len = 0;
1541 } else if (cnt == 2) {
1542 buffer_len = 0;
1543 } else if (cnt > 3) {
1544 dev_info(&pf->pdev->dev,
1545 "nvm read: bad command string, cnt=%d\n", cnt);
1546 goto command_write_done;
1547 }
1548
1549
1550 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1551
1552 bytes = 2 * buffer_len;
1553
1554
1555 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1556 buff = kzalloc(bytes, GFP_KERNEL);
1557 if (!buff)
1558 goto command_write_done;
1559
1560 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1561 if (ret) {
1562 dev_info(&pf->pdev->dev,
1563 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1564 ret, pf->hw.aq.asq_last_status);
1565 kfree(buff);
1566 goto command_write_done;
1567 }
1568
1569 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1570 bytes, (u8 *)buff, true, NULL);
1571 i40e_release_nvm(&pf->hw);
1572 if (ret) {
1573 dev_info(&pf->pdev->dev,
1574 "Read NVM AQ failed err=%d status=0x%x\n",
1575 ret, pf->hw.aq.asq_last_status);
1576 } else {
1577 dev_info(&pf->pdev->dev,
1578 "Read NVM module=0x%x offset=0x%x words=%d\n",
1579 module, offset, buffer_len);
1580 if (bytes)
1581 print_hex_dump(KERN_INFO, "NVM Dump: ",
1582 DUMP_PREFIX_OFFSET, 16, 2,
1583 buff, bytes, true);
1584 }
1585 kfree(buff);
1586 buff = NULL;
1587 } else {
1588 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1589 dev_info(&pf->pdev->dev, "available commands\n");
1590 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1591 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1592 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1593 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1594 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1595 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1596 dev_info(&pf->pdev->dev, " dump switch\n");
1597 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1598 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1599 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1600 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1601 dev_info(&pf->pdev->dev, " dump desc aq\n");
1602 dev_info(&pf->pdev->dev, " dump reset stats\n");
1603 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1604 dev_info(&pf->pdev->dev, " read <reg>\n");
1605 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1606 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1607 dev_info(&pf->pdev->dev, " clear_stats port\n");
1608 dev_info(&pf->pdev->dev, " pfr\n");
1609 dev_info(&pf->pdev->dev, " corer\n");
1610 dev_info(&pf->pdev->dev, " globr\n");
1611 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1612 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1613 dev_info(&pf->pdev->dev, " fd current cnt");
1614 dev_info(&pf->pdev->dev, " lldp start\n");
1615 dev_info(&pf->pdev->dev, " lldp stop\n");
1616 dev_info(&pf->pdev->dev, " lldp get local\n");
1617 dev_info(&pf->pdev->dev, " lldp get remote\n");
1618 dev_info(&pf->pdev->dev, " lldp event on\n");
1619 dev_info(&pf->pdev->dev, " lldp event off\n");
1620 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1621 }
1622
1623command_write_done:
1624 kfree(cmd_buf);
1625 cmd_buf = NULL;
1626 return count;
1627}
1628
1629static const struct file_operations i40e_dbg_command_fops = {
1630 .owner = THIS_MODULE,
1631 .open = simple_open,
1632 .read = i40e_dbg_command_read,
1633 .write = i40e_dbg_command_write,
1634};
1635
1636
1637
1638
1639
1640
1641static char i40e_dbg_netdev_ops_buf[256] = "";
1642
1643
1644
1645
1646
1647
1648
1649
1650static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1651 size_t count, loff_t *ppos)
1652{
1653 struct i40e_pf *pf = filp->private_data;
1654 int bytes_not_copied;
1655 int buf_size = 256;
1656 char *buf;
1657 int len;
1658
1659
1660 if (*ppos != 0)
1661 return 0;
1662 if (count < buf_size)
1663 return -ENOSPC;
1664
1665 buf = kzalloc(buf_size, GFP_KERNEL);
1666 if (!buf)
1667 return -ENOSPC;
1668
1669 len = snprintf(buf, buf_size, "%s: %s\n",
1670 pf->vsi[pf->lan_vsi]->netdev->name,
1671 i40e_dbg_netdev_ops_buf);
1672
1673 bytes_not_copied = copy_to_user(buffer, buf, len);
1674 kfree(buf);
1675
1676 if (bytes_not_copied)
1677 return -EFAULT;
1678
1679 *ppos = len;
1680 return len;
1681}
1682
1683
1684
1685
1686
1687
1688
1689
1690static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1691 const char __user *buffer,
1692 size_t count, loff_t *ppos)
1693{
1694 struct i40e_pf *pf = filp->private_data;
1695 int bytes_not_copied;
1696 struct i40e_vsi *vsi;
1697 char *buf_tmp;
1698 int vsi_seid;
1699 int i, cnt;
1700
1701
1702 if (*ppos != 0)
1703 return 0;
1704 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1705 return -ENOSPC;
1706
1707 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1708 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1709 buffer, count);
1710 if (bytes_not_copied)
1711 return -EFAULT;
1712 i40e_dbg_netdev_ops_buf[count] = '\0';
1713
1714 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1715 if (buf_tmp) {
1716 *buf_tmp = '\0';
1717 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1718 }
1719
1720 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1721 int mtu;
1722
1723 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1724 &vsi_seid, &mtu);
1725 if (cnt != 2) {
1726 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1727 goto netdev_ops_write_done;
1728 }
1729 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1730 if (!vsi) {
1731 dev_info(&pf->pdev->dev,
1732 "change_mtu: VSI %d not found\n", vsi_seid);
1733 } else if (!vsi->netdev) {
1734 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1735 vsi_seid);
1736 } else if (rtnl_trylock()) {
1737 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1738 mtu);
1739 rtnl_unlock();
1740 dev_info(&pf->pdev->dev, "change_mtu called\n");
1741 } else {
1742 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1743 }
1744
1745 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1746 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1747 if (cnt != 1) {
1748 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1749 goto netdev_ops_write_done;
1750 }
1751 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1752 if (!vsi) {
1753 dev_info(&pf->pdev->dev,
1754 "set_rx_mode: VSI %d not found\n", vsi_seid);
1755 } else if (!vsi->netdev) {
1756 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1757 vsi_seid);
1758 } else if (rtnl_trylock()) {
1759 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1760 rtnl_unlock();
1761 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1762 } else {
1763 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1764 }
1765
1766 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1767 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1768 if (cnt != 1) {
1769 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1770 goto netdev_ops_write_done;
1771 }
1772 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1773 if (!vsi) {
1774 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1775 vsi_seid);
1776 } else if (!vsi->netdev) {
1777 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1778 vsi_seid);
1779 } else {
1780 for (i = 0; i < vsi->num_q_vectors; i++)
1781 napi_schedule(&vsi->q_vectors[i]->napi);
1782 dev_info(&pf->pdev->dev, "napi called\n");
1783 }
1784 } else {
1785 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1786 i40e_dbg_netdev_ops_buf);
1787 dev_info(&pf->pdev->dev, "available commands\n");
1788 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1789 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1790 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1791 }
1792netdev_ops_write_done:
1793 return count;
1794}
1795
1796static const struct file_operations i40e_dbg_netdev_ops_fops = {
1797 .owner = THIS_MODULE,
1798 .open = simple_open,
1799 .read = i40e_dbg_netdev_ops_read,
1800 .write = i40e_dbg_netdev_ops_write,
1801};
1802
1803
1804
1805
1806
1807void i40e_dbg_pf_init(struct i40e_pf *pf)
1808{
1809 const char *name = pci_name(pf->pdev);
1810
1811 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1812
1813 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1814 &i40e_dbg_command_fops);
1815
1816 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1817 &i40e_dbg_netdev_ops_fops);
1818}
1819
1820
1821
1822
1823
1824void i40e_dbg_pf_exit(struct i40e_pf *pf)
1825{
1826 debugfs_remove_recursive(pf->i40e_dbg_pf);
1827 pf->i40e_dbg_pf = NULL;
1828}
1829
1830
1831
1832
1833void i40e_dbg_init(void)
1834{
1835 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1836 if (!i40e_dbg_root)
1837 pr_info("init of debugfs failed\n");
1838}
1839
1840
1841
1842
1843void i40e_dbg_exit(void)
1844{
1845 debugfs_remove_recursive(i40e_dbg_root);
1846 i40e_dbg_root = NULL;
1847}
1848
1849#endif
1850
