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
13
14
15
16
17
18static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
19{
20 int i;
21
22 if (seid < 0)
23 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
24 else
25 for (i = 0; i < pf->num_alloc_vsi; i++)
26 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
27 return pf->vsi[i];
28
29 return NULL;
30}
31
32
33
34
35
36
37static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
38{
39 int i;
40
41 for (i = 0; i < I40E_MAX_VEB; i++)
42 if (pf->veb[i] && pf->veb[i]->seid == seid)
43 return pf->veb[i];
44 return NULL;
45}
46
47
48
49
50
51
52
53
54static char i40e_dbg_command_buf[256] = "";
55
56
57
58
59
60
61
62
63static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
64 size_t count, loff_t *ppos)
65{
66 struct i40e_pf *pf = filp->private_data;
67 int bytes_not_copied;
68 int buf_size = 256;
69 char *buf;
70 int len;
71
72
73 if (*ppos != 0)
74 return 0;
75 if (count < buf_size)
76 return -ENOSPC;
77
78 buf = kzalloc(buf_size, GFP_KERNEL);
79 if (!buf)
80 return -ENOSPC;
81
82 len = snprintf(buf, buf_size, "%s: %s\n",
83 pf->vsi[pf->lan_vsi]->netdev->name,
84 i40e_dbg_command_buf);
85
86 bytes_not_copied = copy_to_user(buffer, buf, len);
87 kfree(buf);
88
89 if (bytes_not_copied)
90 return -EFAULT;
91
92 *ppos = len;
93 return len;
94}
95
96static char *i40e_filter_state_string[] = {
97 "INVALID",
98 "NEW",
99 "ACTIVE",
100 "FAILED",
101 "REMOVE",
102};
103
104
105
106
107
108
109static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
110{
111 struct rtnl_link_stats64 *nstat;
112 struct i40e_mac_filter *f;
113 struct i40e_vsi *vsi;
114 int i, bkt;
115
116 vsi = i40e_dbg_find_vsi(pf, seid);
117 if (!vsi) {
118 dev_info(&pf->pdev->dev,
119 "dump %d: seid not found\n", seid);
120 return;
121 }
122 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
123 if (vsi->netdev) {
124 struct net_device *nd = vsi->netdev;
125
126 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
127 nd->name, nd->state, nd->flags);
128 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
129 (unsigned long int)nd->features);
130 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
131 (unsigned long int)nd->hw_features);
132 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
133 (unsigned long int)nd->vlan_features);
134 }
135 dev_info(&pf->pdev->dev,
136 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
137 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
138 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
139 dev_info(&pf->pdev->dev,
140 " state[%d] = %08lx\n",
141 i, vsi->state[i]);
142 if (vsi == pf->vsi[pf->lan_vsi])
143 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
144 pf->hw.mac.addr,
145 pf->hw.mac.san_addr,
146 pf->hw.mac.port_addr);
147 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
148 dev_info(&pf->pdev->dev,
149 " mac_filter_hash: %pM vid=%d, state %s\n",
150 f->macaddr, f->vlan,
151 i40e_filter_state_string[f->state]);
152 }
153 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
154 vsi->active_filters, vsi->promisc_threshold,
155 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
156 "ON" : "OFF"));
157 nstat = i40e_get_vsi_stats_struct(vsi);
158 dev_info(&pf->pdev->dev,
159 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
160 (unsigned long int)nstat->rx_packets,
161 (unsigned long int)nstat->rx_bytes,
162 (unsigned long int)nstat->rx_errors,
163 (unsigned long int)nstat->rx_dropped);
164 dev_info(&pf->pdev->dev,
165 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
166 (unsigned long int)nstat->tx_packets,
167 (unsigned long int)nstat->tx_bytes,
168 (unsigned long int)nstat->tx_errors,
169 (unsigned long int)nstat->tx_dropped);
170 dev_info(&pf->pdev->dev,
171 " net_stats: multicast = %lu, collisions = %lu\n",
172 (unsigned long int)nstat->multicast,
173 (unsigned long int)nstat->collisions);
174 dev_info(&pf->pdev->dev,
175 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
176 (unsigned long int)nstat->rx_length_errors,
177 (unsigned long int)nstat->rx_over_errors,
178 (unsigned long int)nstat->rx_crc_errors);
179 dev_info(&pf->pdev->dev,
180 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
181 (unsigned long int)nstat->rx_frame_errors,
182 (unsigned long int)nstat->rx_fifo_errors,
183 (unsigned long int)nstat->rx_missed_errors);
184 dev_info(&pf->pdev->dev,
185 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
186 (unsigned long int)nstat->tx_aborted_errors,
187 (unsigned long int)nstat->tx_carrier_errors,
188 (unsigned long int)nstat->tx_fifo_errors);
189 dev_info(&pf->pdev->dev,
190 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
191 (unsigned long int)nstat->tx_heartbeat_errors,
192 (unsigned long int)nstat->tx_window_errors);
193 dev_info(&pf->pdev->dev,
194 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
195 (unsigned long int)nstat->rx_compressed,
196 (unsigned long int)nstat->tx_compressed);
197 dev_info(&pf->pdev->dev,
198 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
199 (unsigned long int)vsi->net_stats_offsets.rx_packets,
200 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
201 (unsigned long int)vsi->net_stats_offsets.rx_errors,
202 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
203 dev_info(&pf->pdev->dev,
204 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
205 (unsigned long int)vsi->net_stats_offsets.tx_packets,
206 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
207 (unsigned long int)vsi->net_stats_offsets.tx_errors,
208 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
209 dev_info(&pf->pdev->dev,
210 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
211 (unsigned long int)vsi->net_stats_offsets.multicast,
212 (unsigned long int)vsi->net_stats_offsets.collisions);
213 dev_info(&pf->pdev->dev,
214 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
215 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
216 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
217 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
218 dev_info(&pf->pdev->dev,
219 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
220 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
221 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
222 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
223 dev_info(&pf->pdev->dev,
224 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
225 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
226 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
227 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
228 dev_info(&pf->pdev->dev,
229 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
230 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
231 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
232 dev_info(&pf->pdev->dev,
233 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
234 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
235 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
236 dev_info(&pf->pdev->dev,
237 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
238 vsi->tx_restart, vsi->tx_busy,
239 vsi->rx_buf_failed, vsi->rx_page_failed);
240 rcu_read_lock();
241 for (i = 0; i < vsi->num_queue_pairs; i++) {
242 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
243
244 if (!rx_ring)
245 continue;
246
247 dev_info(&pf->pdev->dev,
248 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
249 i, *rx_ring->state,
250 rx_ring->queue_index,
251 rx_ring->reg_idx);
252 dev_info(&pf->pdev->dev,
253 " rx_rings[%i]: rx_buf_len = %d\n",
254 i, rx_ring->rx_buf_len);
255 dev_info(&pf->pdev->dev,
256 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
257 i,
258 rx_ring->next_to_use,
259 rx_ring->next_to_clean,
260 rx_ring->ring_active);
261 dev_info(&pf->pdev->dev,
262 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
263 i, rx_ring->stats.packets,
264 rx_ring->stats.bytes,
265 rx_ring->rx_stats.non_eop_descs);
266 dev_info(&pf->pdev->dev,
267 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
268 i,
269 rx_ring->rx_stats.alloc_page_failed,
270 rx_ring->rx_stats.alloc_buff_failed);
271 dev_info(&pf->pdev->dev,
272 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
273 i,
274 rx_ring->rx_stats.realloc_count,
275 rx_ring->rx_stats.page_reuse_count);
276 dev_info(&pf->pdev->dev,
277 " rx_rings[%i]: size = %i\n",
278 i, rx_ring->size);
279 dev_info(&pf->pdev->dev,
280 " rx_rings[%i]: itr_setting = %d (%s)\n",
281 i, rx_ring->itr_setting,
282 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
283 }
284 for (i = 0; i < vsi->num_queue_pairs; i++) {
285 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
286
287 if (!tx_ring)
288 continue;
289
290 dev_info(&pf->pdev->dev,
291 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
292 i, *tx_ring->state,
293 tx_ring->queue_index,
294 tx_ring->reg_idx);
295 dev_info(&pf->pdev->dev,
296 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
297 i,
298 tx_ring->next_to_use,
299 tx_ring->next_to_clean,
300 tx_ring->ring_active);
301 dev_info(&pf->pdev->dev,
302 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
303 i, tx_ring->stats.packets,
304 tx_ring->stats.bytes,
305 tx_ring->tx_stats.restart_queue);
306 dev_info(&pf->pdev->dev,
307 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
308 i,
309 tx_ring->tx_stats.tx_busy,
310 tx_ring->tx_stats.tx_done_old);
311 dev_info(&pf->pdev->dev,
312 " tx_rings[%i]: size = %i\n",
313 i, tx_ring->size);
314 dev_info(&pf->pdev->dev,
315 " tx_rings[%i]: DCB tc = %d\n",
316 i, tx_ring->dcb_tc);
317 dev_info(&pf->pdev->dev,
318 " tx_rings[%i]: itr_setting = %d (%s)\n",
319 i, tx_ring->itr_setting,
320 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
321 }
322 rcu_read_unlock();
323 dev_info(&pf->pdev->dev,
324 " work_limit = %d\n",
325 vsi->work_limit);
326 dev_info(&pf->pdev->dev,
327 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
328 vsi->max_frame, vsi->rx_buf_len, 0);
329 dev_info(&pf->pdev->dev,
330 " num_q_vectors = %i, base_vector = %i\n",
331 vsi->num_q_vectors, vsi->base_vector);
332 dev_info(&pf->pdev->dev,
333 " seid = %d, id = %d, uplink_seid = %d\n",
334 vsi->seid, vsi->id, vsi->uplink_seid);
335 dev_info(&pf->pdev->dev,
336 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
337 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
338 vsi->num_rx_desc);
339 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
340 if (vsi->type == I40E_VSI_SRIOV)
341 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
342 dev_info(&pf->pdev->dev,
343 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
344 vsi->info.valid_sections, vsi->info.switch_id);
345 dev_info(&pf->pdev->dev,
346 " info: sw_reserved[] = 0x%02x 0x%02x\n",
347 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
348 dev_info(&pf->pdev->dev,
349 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
350 vsi->info.sec_flags, vsi->info.sec_reserved);
351 dev_info(&pf->pdev->dev,
352 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
353 vsi->info.pvid, vsi->info.fcoe_pvid,
354 vsi->info.port_vlan_flags);
355 dev_info(&pf->pdev->dev,
356 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
357 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
358 vsi->info.pvlan_reserved[2]);
359 dev_info(&pf->pdev->dev,
360 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
361 vsi->info.ingress_table, vsi->info.egress_table);
362 dev_info(&pf->pdev->dev,
363 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
364 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
365 vsi->info.cas_pv_reserved);
366 dev_info(&pf->pdev->dev,
367 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
368 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
369 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
370 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
371 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
372 dev_info(&pf->pdev->dev,
373 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
374 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
375 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
376 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
377 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
378 dev_info(&pf->pdev->dev,
379 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
380 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
381 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
382 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
383 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
384 dev_info(&pf->pdev->dev,
385 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
386 vsi->info.queueing_opt_flags,
387 vsi->info.queueing_opt_reserved[0],
388 vsi->info.queueing_opt_reserved[1],
389 vsi->info.queueing_opt_reserved[2]);
390 dev_info(&pf->pdev->dev,
391 " info: up_enable_bits = 0x%02x\n",
392 vsi->info.up_enable_bits);
393 dev_info(&pf->pdev->dev,
394 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
395 vsi->info.sched_reserved, vsi->info.outer_up_table);
396 dev_info(&pf->pdev->dev,
397 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
398 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
399 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
400 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
401 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
402 dev_info(&pf->pdev->dev,
403 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
404 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
405 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
406 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
407 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
408 dev_info(&pf->pdev->dev,
409 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
410 vsi->info.stat_counter_idx, vsi->info.sched_id);
411 dev_info(&pf->pdev->dev,
412 " 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",
413 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
414 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
415 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
416 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
417 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
418 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
419 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
420 dev_info(&pf->pdev->dev,
421 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
422 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
423 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
424 dev_info(&pf->pdev->dev,
425 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
426 i, vsi->tc_config.tc_info[i].qoffset,
427 vsi->tc_config.tc_info[i].qcount,
428 vsi->tc_config.tc_info[i].netdev_tc);
429 }
430 dev_info(&pf->pdev->dev,
431 " bw: bw_limit = %d, bw_max_quanta = %d\n",
432 vsi->bw_limit, vsi->bw_max_quanta);
433 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
434 dev_info(&pf->pdev->dev,
435 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
436 i, vsi->bw_ets_share_credits[i],
437 vsi->bw_ets_limit_credits[i],
438 vsi->bw_ets_max_quanta[i]);
439 }
440}
441
442
443
444
445
446static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
447{
448 struct i40e_adminq_ring *ring;
449 struct i40e_hw *hw = &pf->hw;
450 char hdr[32];
451 int i;
452
453 snprintf(hdr, sizeof(hdr), "%s %s: ",
454 dev_driver_string(&pf->pdev->dev),
455 dev_name(&pf->pdev->dev));
456
457
458 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
459 ring = &(hw->aq.asq);
460 for (i = 0; i < ring->count; i++) {
461 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
462
463 dev_info(&pf->pdev->dev,
464 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
465 i, d->flags, d->opcode, d->datalen, d->retval,
466 d->cookie_high, d->cookie_low);
467 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
468 16, 1, d->params.raw, 16, 0);
469 }
470
471 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
472 ring = &(hw->aq.arq);
473 for (i = 0; i < ring->count; i++) {
474 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
475
476 dev_info(&pf->pdev->dev,
477 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
478 i, d->flags, d->opcode, d->datalen, d->retval,
479 d->cookie_high, d->cookie_low);
480 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
481 16, 1, d->params.raw, 16, 0);
482 }
483}
484
485
486
487
488
489
490
491
492
493
494static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
495 struct i40e_pf *pf, bool is_rx_ring)
496{
497 struct i40e_tx_desc *txd;
498 union i40e_rx_desc *rxd;
499 struct i40e_ring *ring;
500 struct i40e_vsi *vsi;
501 int i;
502
503 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
504 if (!vsi) {
505 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
506 return;
507 }
508 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
509 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
510 return;
511 }
512 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
513 dev_info(&pf->pdev->dev,
514 "descriptor rings have not been allocated for vsi %d\n",
515 vsi_seid);
516 return;
517 }
518
519 ring = kmemdup(is_rx_ring
520 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
521 sizeof(*ring), GFP_KERNEL);
522 if (!ring)
523 return;
524
525 if (cnt == 2) {
526 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
527 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
528 for (i = 0; i < ring->count; i++) {
529 if (!is_rx_ring) {
530 txd = I40E_TX_DESC(ring, i);
531 dev_info(&pf->pdev->dev,
532 " d[%03x] = 0x%016llx 0x%016llx\n",
533 i, txd->buffer_addr,
534 txd->cmd_type_offset_bsz);
535 } else {
536 rxd = I40E_RX_DESC(ring, i);
537 dev_info(&pf->pdev->dev,
538 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
539 i, rxd->read.pkt_addr,
540 rxd->read.hdr_addr,
541 rxd->read.rsvd1, rxd->read.rsvd2);
542 }
543 }
544 } else if (cnt == 3) {
545 if (desc_n >= ring->count || desc_n < 0) {
546 dev_info(&pf->pdev->dev,
547 "descriptor %d not found\n", desc_n);
548 goto out;
549 }
550 if (!is_rx_ring) {
551 txd = I40E_TX_DESC(ring, desc_n);
552 dev_info(&pf->pdev->dev,
553 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
554 vsi_seid, ring_id, desc_n,
555 txd->buffer_addr, txd->cmd_type_offset_bsz);
556 } else {
557 rxd = I40E_RX_DESC(ring, desc_n);
558 dev_info(&pf->pdev->dev,
559 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
560 vsi_seid, ring_id, desc_n,
561 rxd->read.pkt_addr, rxd->read.hdr_addr,
562 rxd->read.rsvd1, rxd->read.rsvd2);
563 }
564 } else {
565 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
566 }
567
568out:
569 kfree(ring);
570}
571
572
573
574
575
576static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
577{
578 int i;
579
580 for (i = 0; i < pf->num_alloc_vsi; i++)
581 if (pf->vsi[i])
582 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
583 i, pf->vsi[i]->seid);
584}
585
586
587
588
589
590
591static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
592 struct i40e_eth_stats *estats)
593{
594 dev_info(&pf->pdev->dev, " ethstats:\n");
595 dev_info(&pf->pdev->dev,
596 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
597 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
598 dev_info(&pf->pdev->dev,
599 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
600 estats->rx_broadcast, estats->rx_discards);
601 dev_info(&pf->pdev->dev,
602 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
603 estats->rx_unknown_protocol, estats->tx_bytes);
604 dev_info(&pf->pdev->dev,
605 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
606 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
607 dev_info(&pf->pdev->dev,
608 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
609 estats->tx_discards, estats->tx_errors);
610}
611
612
613
614
615
616
617static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
618{
619 struct i40e_veb *veb;
620
621 veb = i40e_dbg_find_veb(pf, seid);
622 if (!veb) {
623 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
624 return;
625 }
626 dev_info(&pf->pdev->dev,
627 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
628 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
629 veb->uplink_seid,
630 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
631 i40e_dbg_dump_eth_stats(pf, &veb->stats);
632}
633
634
635
636
637
638static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
639{
640 struct i40e_veb *veb;
641 int i;
642
643 for (i = 0; i < I40E_MAX_VEB; i++) {
644 veb = pf->veb[i];
645 if (veb)
646 i40e_dbg_dump_veb_seid(pf, veb->seid);
647 }
648}
649
650
651
652
653
654
655static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
656{
657 struct i40e_vf *vf;
658 struct i40e_vsi *vsi;
659
660 if (!pf->num_alloc_vfs) {
661 dev_info(&pf->pdev->dev, "no VFs allocated\n");
662 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
663 vf = &pf->vf[vf_id];
664 vsi = pf->vsi[vf->lan_vsi_idx];
665 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
666 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
667 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
668 vf->num_mdd_events,
669 vf->num_invalid_msgs,
670 vf->num_valid_msgs);
671 } else {
672 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
673 }
674}
675
676
677
678
679
680static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
681{
682 int i;
683
684 if (!pf->num_alloc_vfs)
685 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
686 else
687 for (i = 0; i < pf->num_alloc_vfs; i++)
688 i40e_dbg_dump_vf(pf, i);
689}
690
691#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
692
693
694
695
696
697
698
699static ssize_t i40e_dbg_command_write(struct file *filp,
700 const char __user *buffer,
701 size_t count, loff_t *ppos)
702{
703 struct i40e_pf *pf = filp->private_data;
704 char *cmd_buf, *cmd_buf_tmp;
705 int bytes_not_copied;
706 struct i40e_vsi *vsi;
707 int vsi_seid;
708 int veb_seid;
709 int vf_id;
710 int cnt;
711
712
713 if (*ppos != 0)
714 return 0;
715
716 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
717 if (!cmd_buf)
718 return count;
719 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
720 if (bytes_not_copied) {
721 kfree(cmd_buf);
722 return -EFAULT;
723 }
724 cmd_buf[count] = '\0';
725
726 cmd_buf_tmp = strchr(cmd_buf, '\n');
727 if (cmd_buf_tmp) {
728 *cmd_buf_tmp = '\0';
729 count = cmd_buf_tmp - cmd_buf + 1;
730 }
731
732 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
733 vsi_seid = -1;
734 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
735 if (cnt == 0) {
736
737 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
738 } else if (vsi_seid < 0) {
739 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
740 vsi_seid);
741 goto command_write_done;
742 }
743
744
745
746
747 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
748 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
749 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
750 }
751
752 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
753 if (vsi)
754 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
755 vsi->seid, vsi->uplink_seid);
756 else
757 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
758
759 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
760 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
761 if (cnt != 1) {
762 dev_info(&pf->pdev->dev,
763 "del vsi: bad command string, cnt=%d\n",
764 cnt);
765 goto command_write_done;
766 }
767 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
768 if (!vsi) {
769 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
770 vsi_seid);
771 goto command_write_done;
772 }
773
774 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
775 i40e_vsi_release(vsi);
776
777 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
778 struct i40e_veb *veb;
779 int uplink_seid, i;
780
781 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
782 if (cnt != 2) {
783 dev_info(&pf->pdev->dev,
784 "add relay: bad command string, cnt=%d\n",
785 cnt);
786 goto command_write_done;
787 } else if (uplink_seid < 0) {
788 dev_info(&pf->pdev->dev,
789 "add relay %d: bad uplink seid\n",
790 uplink_seid);
791 goto command_write_done;
792 }
793
794 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
795 if (!vsi) {
796 dev_info(&pf->pdev->dev,
797 "add relay: VSI %d not found\n", vsi_seid);
798 goto command_write_done;
799 }
800
801 for (i = 0; i < I40E_MAX_VEB; i++)
802 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
803 break;
804 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
805 uplink_seid != pf->mac_seid) {
806 dev_info(&pf->pdev->dev,
807 "add relay: relay uplink %d not found\n",
808 uplink_seid);
809 goto command_write_done;
810 }
811
812 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
813 vsi->tc_config.enabled_tc);
814 if (veb)
815 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
816 else
817 dev_info(&pf->pdev->dev, "add relay failed\n");
818
819 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
820 int i;
821 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
822 if (cnt != 1) {
823 dev_info(&pf->pdev->dev,
824 "del relay: bad command string, cnt=%d\n",
825 cnt);
826 goto command_write_done;
827 } else if (veb_seid < 0) {
828 dev_info(&pf->pdev->dev,
829 "del relay %d: bad relay seid\n", veb_seid);
830 goto command_write_done;
831 }
832
833
834 for (i = 0; i < I40E_MAX_VEB; i++)
835 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
836 break;
837 if (i >= I40E_MAX_VEB) {
838 dev_info(&pf->pdev->dev,
839 "del relay: relay %d not found\n", veb_seid);
840 goto command_write_done;
841 }
842
843 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
844 i40e_veb_release(pf->veb[i]);
845 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
846 i40e_status ret;
847 u16 vid;
848 unsigned int v;
849
850 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
851 if (cnt != 2) {
852 dev_info(&pf->pdev->dev,
853 "add pvid: bad command string, cnt=%d\n", cnt);
854 goto command_write_done;
855 }
856
857 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
858 if (!vsi) {
859 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
860 vsi_seid);
861 goto command_write_done;
862 }
863
864 vid = v;
865 ret = i40e_vsi_add_pvid(vsi, vid);
866 if (!ret)
867 dev_info(&pf->pdev->dev,
868 "add pvid: %d added to VSI %d\n",
869 vid, vsi_seid);
870 else
871 dev_info(&pf->pdev->dev,
872 "add pvid: %d to VSI %d failed, ret=%d\n",
873 vid, vsi_seid, ret);
874
875 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
876
877 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
878 if (cnt != 1) {
879 dev_info(&pf->pdev->dev,
880 "del pvid: bad command string, cnt=%d\n",
881 cnt);
882 goto command_write_done;
883 }
884
885 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
886 if (!vsi) {
887 dev_info(&pf->pdev->dev,
888 "del pvid: VSI %d not found\n", vsi_seid);
889 goto command_write_done;
890 }
891
892 i40e_vsi_remove_pvid(vsi);
893 dev_info(&pf->pdev->dev,
894 "del pvid: removed from VSI %d\n", vsi_seid);
895
896 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
897 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
898 i40e_fetch_switch_configuration(pf, true);
899 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
900 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
901 if (cnt > 0)
902 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
903 else
904 i40e_dbg_dump_vsi_no_seid(pf);
905 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
906 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
907 if (cnt > 0)
908 i40e_dbg_dump_veb_seid(pf, vsi_seid);
909 else
910 i40e_dbg_dump_veb_all(pf);
911 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
912 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
913 if (cnt > 0)
914 i40e_dbg_dump_vf(pf, vf_id);
915 else
916 i40e_dbg_dump_vf_all(pf);
917 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
918 int ring_id, desc_n;
919 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
920 cnt = sscanf(&cmd_buf[12], "%i %i %i",
921 &vsi_seid, &ring_id, &desc_n);
922 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
923 desc_n, pf, true);
924 } else if (strncmp(&cmd_buf[10], "tx", 2)
925 == 0) {
926 cnt = sscanf(&cmd_buf[12], "%i %i %i",
927 &vsi_seid, &ring_id, &desc_n);
928 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
929 desc_n, pf, false);
930 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
931 i40e_dbg_dump_aq_desc(pf);
932 } else {
933 dev_info(&pf->pdev->dev,
934 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
935 dev_info(&pf->pdev->dev,
936 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
937 dev_info(&pf->pdev->dev, "dump desc aq\n");
938 }
939 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
940 dev_info(&pf->pdev->dev,
941 "core reset count: %d\n", pf->corer_count);
942 dev_info(&pf->pdev->dev,
943 "global reset count: %d\n", pf->globr_count);
944 dev_info(&pf->pdev->dev,
945 "emp reset count: %d\n", pf->empr_count);
946 dev_info(&pf->pdev->dev,
947 "pf reset count: %d\n", pf->pfr_count);
948 dev_info(&pf->pdev->dev,
949 "pf tx sluggish count: %d\n",
950 pf->tx_sluggish_count);
951 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
952 struct i40e_aqc_query_port_ets_config_resp *bw_data;
953 struct i40e_dcbx_config *cfg =
954 &pf->hw.local_dcbx_config;
955 struct i40e_dcbx_config *r_cfg =
956 &pf->hw.remote_dcbx_config;
957 int i, ret;
958 u16 switch_id;
959
960 bw_data = kzalloc(sizeof(
961 struct i40e_aqc_query_port_ets_config_resp),
962 GFP_KERNEL);
963 if (!bw_data) {
964 ret = -ENOMEM;
965 goto command_write_done;
966 }
967
968 vsi = pf->vsi[pf->lan_vsi];
969 switch_id =
970 le16_to_cpu(vsi->info.switch_id) &
971 I40E_AQ_VSI_SW_ID_MASK;
972
973 ret = i40e_aq_query_port_ets_config(&pf->hw,
974 switch_id,
975 bw_data, NULL);
976 if (ret) {
977 dev_info(&pf->pdev->dev,
978 "Query Port ETS Config AQ command failed =0x%x\n",
979 pf->hw.aq.asq_last_status);
980 kfree(bw_data);
981 bw_data = NULL;
982 goto command_write_done;
983 }
984 dev_info(&pf->pdev->dev,
985 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
986 bw_data->tc_valid_bits,
987 bw_data->tc_strict_priority_bits,
988 le16_to_cpu(bw_data->tc_bw_max[0]),
989 le16_to_cpu(bw_data->tc_bw_max[1]));
990 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
991 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
992 bw_data->tc_bw_share_credits[i],
993 le16_to_cpu(bw_data->tc_bw_limits[i]));
994 }
995
996 kfree(bw_data);
997 bw_data = NULL;
998
999 dev_info(&pf->pdev->dev,
1000 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1001 dev_info(&pf->pdev->dev,
1002 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1003 cfg->etscfg.willing, cfg->etscfg.cbs,
1004 cfg->etscfg.maxtcs);
1005 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1006 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1007 i, cfg->etscfg.prioritytable[i],
1008 cfg->etscfg.tcbwtable[i],
1009 cfg->etscfg.tsatable[i]);
1010 }
1011 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1012 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1013 i, cfg->etsrec.prioritytable[i],
1014 cfg->etsrec.tcbwtable[i],
1015 cfg->etsrec.tsatable[i]);
1016 }
1017 dev_info(&pf->pdev->dev,
1018 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1019 cfg->pfc.willing, cfg->pfc.mbc,
1020 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1021 dev_info(&pf->pdev->dev,
1022 "port app_table: num_apps=%d\n", cfg->numapps);
1023 for (i = 0; i < cfg->numapps; i++) {
1024 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1025 i, cfg->app[i].priority,
1026 cfg->app[i].selector,
1027 cfg->app[i].protocolid);
1028 }
1029
1030 dev_info(&pf->pdev->dev,
1031 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1032 r_cfg->etscfg.willing,
1033 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1034 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1035 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1036 i, r_cfg->etscfg.prioritytable[i],
1037 r_cfg->etscfg.tcbwtable[i],
1038 r_cfg->etscfg.tsatable[i]);
1039 }
1040 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1041 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1042 i, r_cfg->etsrec.prioritytable[i],
1043 r_cfg->etsrec.tcbwtable[i],
1044 r_cfg->etsrec.tsatable[i]);
1045 }
1046 dev_info(&pf->pdev->dev,
1047 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1048 r_cfg->pfc.willing,
1049 r_cfg->pfc.mbc,
1050 r_cfg->pfc.pfccap,
1051 r_cfg->pfc.pfcenable);
1052 dev_info(&pf->pdev->dev,
1053 "remote port app_table: num_apps=%d\n",
1054 r_cfg->numapps);
1055 for (i = 0; i < r_cfg->numapps; i++) {
1056 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1057 i, r_cfg->app[i].priority,
1058 r_cfg->app[i].selector,
1059 r_cfg->app[i].protocolid);
1060 }
1061 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1062 int cluster_id, table_id;
1063 int index, ret;
1064 u16 buff_len = 4096;
1065 u32 next_index;
1066 u8 next_table;
1067 u8 *buff;
1068 u16 rlen;
1069
1070 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1071 &cluster_id, &table_id, &index);
1072 if (cnt != 3) {
1073 dev_info(&pf->pdev->dev,
1074 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1075 goto command_write_done;
1076 }
1077
1078 dev_info(&pf->pdev->dev,
1079 "AQ debug dump fwdata params %x %x %x %x\n",
1080 cluster_id, table_id, index, buff_len);
1081 buff = kzalloc(buff_len, GFP_KERNEL);
1082 if (!buff)
1083 goto command_write_done;
1084
1085 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1086 index, buff_len, buff, &rlen,
1087 &next_table, &next_index,
1088 NULL);
1089 if (ret) {
1090 dev_info(&pf->pdev->dev,
1091 "debug dump fwdata AQ Failed %d 0x%x\n",
1092 ret, pf->hw.aq.asq_last_status);
1093 kfree(buff);
1094 buff = NULL;
1095 goto command_write_done;
1096 }
1097 dev_info(&pf->pdev->dev,
1098 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1099 rlen, next_table, next_index);
1100 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1101 DUMP_PREFIX_OFFSET, 16, 1,
1102 buff, rlen, true);
1103 kfree(buff);
1104 buff = NULL;
1105 } else {
1106 dev_info(&pf->pdev->dev,
1107 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1108 dev_info(&pf->pdev->dev, "dump switch\n");
1109 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1110 dev_info(&pf->pdev->dev, "dump reset stats\n");
1111 dev_info(&pf->pdev->dev, "dump port\n");
1112 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1113 dev_info(&pf->pdev->dev,
1114 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1115 }
1116 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1117 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1118 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1119
1120 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1121 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1122 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1123
1124 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1125 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1126 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1127
1128 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1129 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1130 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1131
1132 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1133 u32 address;
1134 u32 value;
1135
1136 cnt = sscanf(&cmd_buf[4], "%i", &address);
1137 if (cnt != 1) {
1138 dev_info(&pf->pdev->dev, "read <reg>\n");
1139 goto command_write_done;
1140 }
1141
1142
1143 if (address > (pf->ioremap_len - sizeof(u32))) {
1144 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1145 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1146 goto command_write_done;
1147 }
1148
1149 value = rd32(&pf->hw, address);
1150 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1151 address, value);
1152
1153 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1154 u32 address, value;
1155
1156 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1157 if (cnt != 2) {
1158 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1159 goto command_write_done;
1160 }
1161
1162
1163 if (address > (pf->ioremap_len - sizeof(u32))) {
1164 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1165 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1166 goto command_write_done;
1167 }
1168 wr32(&pf->hw, address, value);
1169 value = rd32(&pf->hw, address);
1170 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1171 address, value);
1172 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1173 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1174 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1175 if (cnt == 0) {
1176 int i;
1177
1178 for (i = 0; i < pf->num_alloc_vsi; i++)
1179 i40e_vsi_reset_stats(pf->vsi[i]);
1180 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1181 } else if (cnt == 1) {
1182 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1183 if (!vsi) {
1184 dev_info(&pf->pdev->dev,
1185 "clear_stats vsi: bad vsi %d\n",
1186 vsi_seid);
1187 goto command_write_done;
1188 }
1189 i40e_vsi_reset_stats(vsi);
1190 dev_info(&pf->pdev->dev,
1191 "vsi clear stats called for vsi %d\n",
1192 vsi_seid);
1193 } else {
1194 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1195 }
1196 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1197 if (pf->hw.partition_id == 1) {
1198 i40e_pf_reset_stats(pf);
1199 dev_info(&pf->pdev->dev, "port stats cleared\n");
1200 } else {
1201 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1202 }
1203 } else {
1204 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1205 }
1206 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1207 struct i40e_aq_desc *desc;
1208 i40e_status ret;
1209
1210 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1211 if (!desc)
1212 goto command_write_done;
1213 cnt = sscanf(&cmd_buf[11],
1214 "%hi %hi %hi %hi %i %i %i %i %i %i",
1215 &desc->flags,
1216 &desc->opcode, &desc->datalen, &desc->retval,
1217 &desc->cookie_high, &desc->cookie_low,
1218 &desc->params.internal.param0,
1219 &desc->params.internal.param1,
1220 &desc->params.internal.param2,
1221 &desc->params.internal.param3);
1222 if (cnt != 10) {
1223 dev_info(&pf->pdev->dev,
1224 "send aq_cmd: bad command string, cnt=%d\n",
1225 cnt);
1226 kfree(desc);
1227 desc = NULL;
1228 goto command_write_done;
1229 }
1230 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1231 if (!ret) {
1232 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1233 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1234 dev_info(&pf->pdev->dev,
1235 "AQ command send failed Opcode %x AQ Error: %d\n",
1236 desc->opcode, pf->hw.aq.asq_last_status);
1237 } else {
1238 dev_info(&pf->pdev->dev,
1239 "AQ command send failed Opcode %x Status: %d\n",
1240 desc->opcode, ret);
1241 }
1242 dev_info(&pf->pdev->dev,
1243 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1244 desc->flags, desc->opcode, desc->datalen, desc->retval,
1245 desc->cookie_high, desc->cookie_low,
1246 desc->params.internal.param0,
1247 desc->params.internal.param1,
1248 desc->params.internal.param2,
1249 desc->params.internal.param3);
1250 kfree(desc);
1251 desc = NULL;
1252 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1253 struct i40e_aq_desc *desc;
1254 i40e_status ret;
1255 u16 buffer_len;
1256 u8 *buff;
1257
1258 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1259 if (!desc)
1260 goto command_write_done;
1261 cnt = sscanf(&cmd_buf[20],
1262 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1263 &desc->flags,
1264 &desc->opcode, &desc->datalen, &desc->retval,
1265 &desc->cookie_high, &desc->cookie_low,
1266 &desc->params.internal.param0,
1267 &desc->params.internal.param1,
1268 &desc->params.internal.param2,
1269 &desc->params.internal.param3,
1270 &buffer_len);
1271 if (cnt != 11) {
1272 dev_info(&pf->pdev->dev,
1273 "send indirect aq_cmd: bad command string, cnt=%d\n",
1274 cnt);
1275 kfree(desc);
1276 desc = NULL;
1277 goto command_write_done;
1278 }
1279
1280 if (buffer_len == 0)
1281 buffer_len = 1280;
1282
1283 buff = kzalloc(buffer_len, GFP_KERNEL);
1284 if (!buff) {
1285 kfree(desc);
1286 desc = NULL;
1287 goto command_write_done;
1288 }
1289 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1290 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1291 buffer_len, NULL);
1292 if (!ret) {
1293 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1294 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1295 dev_info(&pf->pdev->dev,
1296 "AQ command send failed Opcode %x AQ Error: %d\n",
1297 desc->opcode, pf->hw.aq.asq_last_status);
1298 } else {
1299 dev_info(&pf->pdev->dev,
1300 "AQ command send failed Opcode %x Status: %d\n",
1301 desc->opcode, ret);
1302 }
1303 dev_info(&pf->pdev->dev,
1304 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1305 desc->flags, desc->opcode, desc->datalen, desc->retval,
1306 desc->cookie_high, desc->cookie_low,
1307 desc->params.internal.param0,
1308 desc->params.internal.param1,
1309 desc->params.internal.param2,
1310 desc->params.internal.param3);
1311 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1312 DUMP_PREFIX_OFFSET, 16, 1,
1313 buff, buffer_len, true);
1314 kfree(buff);
1315 buff = NULL;
1316 kfree(desc);
1317 desc = NULL;
1318 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1319 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1320 i40e_get_current_fd_count(pf));
1321 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1322 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1323 int ret;
1324
1325 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1326 if (ret) {
1327 dev_info(&pf->pdev->dev,
1328 "Stop LLDP AQ command failed =0x%x\n",
1329 pf->hw.aq.asq_last_status);
1330 goto command_write_done;
1331 }
1332 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1333 pf->hw.mac.addr,
1334 ETH_P_LLDP, 0,
1335 pf->vsi[pf->lan_vsi]->seid,
1336 0, true, NULL, NULL);
1337 if (ret) {
1338 dev_info(&pf->pdev->dev,
1339 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1340 __func__, pf->hw.aq.asq_last_status);
1341 goto command_write_done;
1342 }
1343#ifdef CONFIG_I40E_DCB
1344 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1345 DCB_CAP_DCBX_VER_IEEE;
1346#endif
1347 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1348 int ret;
1349
1350 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1351 pf->hw.mac.addr,
1352 ETH_P_LLDP, 0,
1353 pf->vsi[pf->lan_vsi]->seid,
1354 0, false, NULL, NULL);
1355 if (ret) {
1356 dev_info(&pf->pdev->dev,
1357 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1358 __func__, pf->hw.aq.asq_last_status);
1359
1360 }
1361
1362 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1363 if (ret) {
1364 dev_info(&pf->pdev->dev,
1365 "Start LLDP AQ command failed =0x%x\n",
1366 pf->hw.aq.asq_last_status);
1367 goto command_write_done;
1368 }
1369#ifdef CONFIG_I40E_DCB
1370 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1371 DCB_CAP_DCBX_VER_IEEE;
1372#endif
1373 } else if (strncmp(&cmd_buf[5],
1374 "get local", 9) == 0) {
1375 u16 llen, rlen;
1376 int ret;
1377 u8 *buff;
1378
1379 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1380 if (!buff)
1381 goto command_write_done;
1382
1383 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1384 I40E_AQ_LLDP_MIB_LOCAL,
1385 buff, I40E_LLDPDU_SIZE,
1386 &llen, &rlen, NULL);
1387 if (ret) {
1388 dev_info(&pf->pdev->dev,
1389 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1390 pf->hw.aq.asq_last_status);
1391 kfree(buff);
1392 buff = NULL;
1393 goto command_write_done;
1394 }
1395 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1396 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1397 DUMP_PREFIX_OFFSET, 16, 1,
1398 buff, I40E_LLDPDU_SIZE, true);
1399 kfree(buff);
1400 buff = NULL;
1401 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1402 u16 llen, rlen;
1403 int ret;
1404 u8 *buff;
1405
1406 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1407 if (!buff)
1408 goto command_write_done;
1409
1410 ret = i40e_aq_get_lldp_mib(&pf->hw,
1411 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1412 I40E_AQ_LLDP_MIB_REMOTE,
1413 buff, I40E_LLDPDU_SIZE,
1414 &llen, &rlen, NULL);
1415 if (ret) {
1416 dev_info(&pf->pdev->dev,
1417 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1418 pf->hw.aq.asq_last_status);
1419 kfree(buff);
1420 buff = NULL;
1421 goto command_write_done;
1422 }
1423 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1424 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1425 DUMP_PREFIX_OFFSET, 16, 1,
1426 buff, I40E_LLDPDU_SIZE, true);
1427 kfree(buff);
1428 buff = NULL;
1429 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1430 int ret;
1431
1432 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1433 true, NULL);
1434 if (ret) {
1435 dev_info(&pf->pdev->dev,
1436 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1437 pf->hw.aq.asq_last_status);
1438 goto command_write_done;
1439 }
1440 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1441 int ret;
1442
1443 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1444 false, NULL);
1445 if (ret) {
1446 dev_info(&pf->pdev->dev,
1447 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1448 pf->hw.aq.asq_last_status);
1449 goto command_write_done;
1450 }
1451 }
1452 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1453 u16 buffer_len, bytes;
1454 u16 module;
1455 u32 offset;
1456 u16 *buff;
1457 int ret;
1458
1459 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1460 &module, &offset, &buffer_len);
1461 if (cnt == 0) {
1462 module = 0;
1463 offset = 0;
1464 buffer_len = 0;
1465 } else if (cnt == 1) {
1466 offset = 0;
1467 buffer_len = 0;
1468 } else if (cnt == 2) {
1469 buffer_len = 0;
1470 } else if (cnt > 3) {
1471 dev_info(&pf->pdev->dev,
1472 "nvm read: bad command string, cnt=%d\n", cnt);
1473 goto command_write_done;
1474 }
1475
1476
1477 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1478
1479 bytes = 2 * buffer_len;
1480
1481
1482 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1483 buff = kzalloc(bytes, GFP_KERNEL);
1484 if (!buff)
1485 goto command_write_done;
1486
1487 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1488 if (ret) {
1489 dev_info(&pf->pdev->dev,
1490 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1491 ret, pf->hw.aq.asq_last_status);
1492 kfree(buff);
1493 goto command_write_done;
1494 }
1495
1496 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1497 bytes, (u8 *)buff, true, NULL);
1498 i40e_release_nvm(&pf->hw);
1499 if (ret) {
1500 dev_info(&pf->pdev->dev,
1501 "Read NVM AQ failed err=%d status=0x%x\n",
1502 ret, pf->hw.aq.asq_last_status);
1503 } else {
1504 dev_info(&pf->pdev->dev,
1505 "Read NVM module=0x%x offset=0x%x words=%d\n",
1506 module, offset, buffer_len);
1507 if (bytes)
1508 print_hex_dump(KERN_INFO, "NVM Dump: ",
1509 DUMP_PREFIX_OFFSET, 16, 2,
1510 buff, bytes, true);
1511 }
1512 kfree(buff);
1513 buff = NULL;
1514 } else {
1515 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1516 dev_info(&pf->pdev->dev, "available commands\n");
1517 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1518 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1519 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1520 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1521 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1522 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1523 dev_info(&pf->pdev->dev, " dump switch\n");
1524 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1525 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1526 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1527 dev_info(&pf->pdev->dev, " dump desc aq\n");
1528 dev_info(&pf->pdev->dev, " dump reset stats\n");
1529 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1530 dev_info(&pf->pdev->dev, " read <reg>\n");
1531 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1532 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1533 dev_info(&pf->pdev->dev, " clear_stats port\n");
1534 dev_info(&pf->pdev->dev, " pfr\n");
1535 dev_info(&pf->pdev->dev, " corer\n");
1536 dev_info(&pf->pdev->dev, " globr\n");
1537 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1538 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1539 dev_info(&pf->pdev->dev, " fd current cnt");
1540 dev_info(&pf->pdev->dev, " lldp start\n");
1541 dev_info(&pf->pdev->dev, " lldp stop\n");
1542 dev_info(&pf->pdev->dev, " lldp get local\n");
1543 dev_info(&pf->pdev->dev, " lldp get remote\n");
1544 dev_info(&pf->pdev->dev, " lldp event on\n");
1545 dev_info(&pf->pdev->dev, " lldp event off\n");
1546 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1547 }
1548
1549command_write_done:
1550 kfree(cmd_buf);
1551 cmd_buf = NULL;
1552 return count;
1553}
1554
1555static const struct file_operations i40e_dbg_command_fops = {
1556 .owner = THIS_MODULE,
1557 .open = simple_open,
1558 .read = i40e_dbg_command_read,
1559 .write = i40e_dbg_command_write,
1560};
1561
1562
1563
1564
1565
1566
1567static char i40e_dbg_netdev_ops_buf[256] = "";
1568
1569
1570
1571
1572
1573
1574
1575
1576static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1577 size_t count, loff_t *ppos)
1578{
1579 struct i40e_pf *pf = filp->private_data;
1580 int bytes_not_copied;
1581 int buf_size = 256;
1582 char *buf;
1583 int len;
1584
1585
1586 if (*ppos != 0)
1587 return 0;
1588 if (count < buf_size)
1589 return -ENOSPC;
1590
1591 buf = kzalloc(buf_size, GFP_KERNEL);
1592 if (!buf)
1593 return -ENOSPC;
1594
1595 len = snprintf(buf, buf_size, "%s: %s\n",
1596 pf->vsi[pf->lan_vsi]->netdev->name,
1597 i40e_dbg_netdev_ops_buf);
1598
1599 bytes_not_copied = copy_to_user(buffer, buf, len);
1600 kfree(buf);
1601
1602 if (bytes_not_copied)
1603 return -EFAULT;
1604
1605 *ppos = len;
1606 return len;
1607}
1608
1609
1610
1611
1612
1613
1614
1615
1616static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1617 const char __user *buffer,
1618 size_t count, loff_t *ppos)
1619{
1620 struct i40e_pf *pf = filp->private_data;
1621 int bytes_not_copied;
1622 struct i40e_vsi *vsi;
1623 char *buf_tmp;
1624 int vsi_seid;
1625 int i, cnt;
1626
1627
1628 if (*ppos != 0)
1629 return 0;
1630 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1631 return -ENOSPC;
1632
1633 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1634 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1635 buffer, count);
1636 if (bytes_not_copied)
1637 return -EFAULT;
1638 i40e_dbg_netdev_ops_buf[count] = '\0';
1639
1640 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1641 if (buf_tmp) {
1642 *buf_tmp = '\0';
1643 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1644 }
1645
1646 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1647 int mtu;
1648
1649 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1650 &vsi_seid, &mtu);
1651 if (cnt != 2) {
1652 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1653 goto netdev_ops_write_done;
1654 }
1655 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1656 if (!vsi) {
1657 dev_info(&pf->pdev->dev,
1658 "change_mtu: VSI %d not found\n", vsi_seid);
1659 } else if (!vsi->netdev) {
1660 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1661 vsi_seid);
1662 } else if (rtnl_trylock()) {
1663 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1664 mtu);
1665 rtnl_unlock();
1666 dev_info(&pf->pdev->dev, "change_mtu called\n");
1667 } else {
1668 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1669 }
1670
1671 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1672 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1673 if (cnt != 1) {
1674 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1675 goto netdev_ops_write_done;
1676 }
1677 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1678 if (!vsi) {
1679 dev_info(&pf->pdev->dev,
1680 "set_rx_mode: VSI %d not found\n", vsi_seid);
1681 } else if (!vsi->netdev) {
1682 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1683 vsi_seid);
1684 } else if (rtnl_trylock()) {
1685 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1686 rtnl_unlock();
1687 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1688 } else {
1689 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1690 }
1691
1692 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1693 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1694 if (cnt != 1) {
1695 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1696 goto netdev_ops_write_done;
1697 }
1698 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1699 if (!vsi) {
1700 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1701 vsi_seid);
1702 } else if (!vsi->netdev) {
1703 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1704 vsi_seid);
1705 } else {
1706 for (i = 0; i < vsi->num_q_vectors; i++)
1707 napi_schedule(&vsi->q_vectors[i]->napi);
1708 dev_info(&pf->pdev->dev, "napi called\n");
1709 }
1710 } else {
1711 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1712 i40e_dbg_netdev_ops_buf);
1713 dev_info(&pf->pdev->dev, "available commands\n");
1714 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1715 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1716 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1717 }
1718netdev_ops_write_done:
1719 return count;
1720}
1721
1722static const struct file_operations i40e_dbg_netdev_ops_fops = {
1723 .owner = THIS_MODULE,
1724 .open = simple_open,
1725 .read = i40e_dbg_netdev_ops_read,
1726 .write = i40e_dbg_netdev_ops_write,
1727};
1728
1729
1730
1731
1732
1733void i40e_dbg_pf_init(struct i40e_pf *pf)
1734{
1735 struct dentry *pfile;
1736 const char *name = pci_name(pf->pdev);
1737 const struct device *dev = &pf->pdev->dev;
1738
1739 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1740 if (!pf->i40e_dbg_pf)
1741 return;
1742
1743 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1744 &i40e_dbg_command_fops);
1745 if (!pfile)
1746 goto create_failed;
1747
1748 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1749 &i40e_dbg_netdev_ops_fops);
1750 if (!pfile)
1751 goto create_failed;
1752
1753 return;
1754
1755create_failed:
1756 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1757 debugfs_remove_recursive(pf->i40e_dbg_pf);
1758}
1759
1760
1761
1762
1763
1764void i40e_dbg_pf_exit(struct i40e_pf *pf)
1765{
1766 debugfs_remove_recursive(pf->i40e_dbg_pf);
1767 pf->i40e_dbg_pf = NULL;
1768}
1769
1770
1771
1772
1773void i40e_dbg_init(void)
1774{
1775 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1776 if (!i40e_dbg_root)
1777 pr_info("init of debugfs failed\n");
1778}
1779
1780
1781
1782
1783void i40e_dbg_exit(void)
1784{
1785 debugfs_remove_recursive(i40e_dbg_root);
1786 i40e_dbg_root = NULL;
1787}
1788
1789#endif
1790
