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1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27#ifdef CONFIG_DEBUG_FS
28
29#include <linux/fs.h>
30#include <linux/debugfs.h>
31
32#include "i40e.h"
33
34static struct dentry *i40e_dbg_root;
35
36/**
37 * i40e_dbg_find_vsi - searches for the vsi with the given seid
38 * @pf - the PF structure to search for the vsi
39 * @seid - seid of the vsi it is searching for
40 **/
41static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
42{
43 int i;
44
45 if (seid < 0)
46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
47 else
48 for (i = 0; i < pf->num_alloc_vsi; i++)
49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
50 return pf->vsi[i];
51
52 return NULL;
53}
54
55/**
56 * i40e_dbg_find_veb - searches for the veb with the given seid
57 * @pf - the PF structure to search for the veb
58 * @seid - seid of the veb it is searching for
59 **/
60static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
61{
62 int i;
63
64 for (i = 0; i < I40E_MAX_VEB; i++)
65 if (pf->veb[i] && pf->veb[i]->seid == seid)
66 return pf->veb[i];
67 return NULL;
68}
69
70/**************************************************************
71 * command
72 * The command entry in debugfs is for giving the driver commands
73 * to be executed - these may be for changing the internal switch
74 * setup, adding or removing filters, or other things. Many of
75 * these will be useful for some forms of unit testing.
76 **************************************************************/
77static char i40e_dbg_command_buf[256] = "";
78
79/**
80 * i40e_dbg_command_read - read for command datum
81 * @filp: the opened file
82 * @buffer: where to write the data for the user to read
83 * @count: the size of the user's buffer
84 * @ppos: file position offset
85 **/
86static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
87 size_t count, loff_t *ppos)
88{
89 struct i40e_pf *pf = filp->private_data;
90 int bytes_not_copied;
91 int buf_size = 256;
92 char *buf;
93 int len;
94
95 /* don't allow partial reads */
96 if (*ppos != 0)
97 return 0;
98 if (count < buf_size)
99 return -ENOSPC;
100
101 buf = kzalloc(buf_size, GFP_KERNEL);
102 if (!buf)
103 return -ENOSPC;
104
105 len = snprintf(buf, buf_size, "%s: %s\n",
106 pf->vsi[pf->lan_vsi]->netdev->name,
107 i40e_dbg_command_buf);
108
109 bytes_not_copied = copy_to_user(buffer, buf, len);
110 kfree(buf);
111
112 if (bytes_not_copied)
113 return -EFAULT;
114
115 *ppos = len;
116 return len;
117}
118
119static char *i40e_filter_state_string[] = {
120 "INVALID",
121 "NEW",
122 "ACTIVE",
123 "FAILED",
124 "REMOVE",
125};
126
127/**
128 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
129 * @pf: the i40e_pf created in command write
130 * @seid: the seid the user put in
131 **/
132static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
133{
134 struct rtnl_link_stats64 *nstat;
135 struct i40e_mac_filter *f;
136 struct i40e_vsi *vsi;
137 int i, bkt;
138
139 vsi = i40e_dbg_find_vsi(pf, seid);
140 if (!vsi) {
141 dev_info(&pf->pdev->dev,
142 "dump %d: seid not found\n", seid);
143 return;
144 }
145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
146 if (vsi->netdev) {
147 struct net_device *nd = vsi->netdev;
148
149 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
150 nd->name, nd->state, nd->flags);
151 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
152 (unsigned long int)nd->features);
153 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
154 (unsigned long int)nd->hw_features);
155 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
156 (unsigned long int)nd->vlan_features);
157 }
158 dev_info(&pf->pdev->dev,
159 " vlgrp: & = %p\n", vsi->active_vlans);
160 dev_info(&pf->pdev->dev,
161 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
162 vsi->state, vsi->flags,
163 vsi->netdev_registered, vsi->current_netdev_flags);
164 if (vsi == pf->vsi[pf->lan_vsi])
165 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
166 pf->hw.mac.addr,
167 pf->hw.mac.san_addr,
168 pf->hw.mac.port_addr);
169 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
170 dev_info(&pf->pdev->dev,
171 " mac_filter_hash: %pM vid=%d, state %s\n",
172 f->macaddr, f->vlan,
173 i40e_filter_state_string[f->state]);
174 }
175 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
176 vsi->active_filters, vsi->promisc_threshold,
177 (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ?
178 "ON" : "OFF"));
179 nstat = i40e_get_vsi_stats_struct(vsi);
180 dev_info(&pf->pdev->dev,
181 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
182 (unsigned long int)nstat->rx_packets,
183 (unsigned long int)nstat->rx_bytes,
184 (unsigned long int)nstat->rx_errors,
185 (unsigned long int)nstat->rx_dropped);
186 dev_info(&pf->pdev->dev,
187 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
188 (unsigned long int)nstat->tx_packets,
189 (unsigned long int)nstat->tx_bytes,
190 (unsigned long int)nstat->tx_errors,
191 (unsigned long int)nstat->tx_dropped);
192 dev_info(&pf->pdev->dev,
193 " net_stats: multicast = %lu, collisions = %lu\n",
194 (unsigned long int)nstat->multicast,
195 (unsigned long int)nstat->collisions);
196 dev_info(&pf->pdev->dev,
197 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
198 (unsigned long int)nstat->rx_length_errors,
199 (unsigned long int)nstat->rx_over_errors,
200 (unsigned long int)nstat->rx_crc_errors);
201 dev_info(&pf->pdev->dev,
202 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
203 (unsigned long int)nstat->rx_frame_errors,
204 (unsigned long int)nstat->rx_fifo_errors,
205 (unsigned long int)nstat->rx_missed_errors);
206 dev_info(&pf->pdev->dev,
207 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
208 (unsigned long int)nstat->tx_aborted_errors,
209 (unsigned long int)nstat->tx_carrier_errors,
210 (unsigned long int)nstat->tx_fifo_errors);
211 dev_info(&pf->pdev->dev,
212 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
213 (unsigned long int)nstat->tx_heartbeat_errors,
214 (unsigned long int)nstat->tx_window_errors);
215 dev_info(&pf->pdev->dev,
216 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
217 (unsigned long int)nstat->rx_compressed,
218 (unsigned long int)nstat->tx_compressed);
219 dev_info(&pf->pdev->dev,
220 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
221 (unsigned long int)vsi->net_stats_offsets.rx_packets,
222 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
223 (unsigned long int)vsi->net_stats_offsets.rx_errors,
224 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
225 dev_info(&pf->pdev->dev,
226 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
227 (unsigned long int)vsi->net_stats_offsets.tx_packets,
228 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
229 (unsigned long int)vsi->net_stats_offsets.tx_errors,
230 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
231 dev_info(&pf->pdev->dev,
232 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
233 (unsigned long int)vsi->net_stats_offsets.multicast,
234 (unsigned long int)vsi->net_stats_offsets.collisions);
235 dev_info(&pf->pdev->dev,
236 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
237 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
238 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
239 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
240 dev_info(&pf->pdev->dev,
241 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
242 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
243 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
244 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
245 dev_info(&pf->pdev->dev,
246 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
247 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
248 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
249 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
250 dev_info(&pf->pdev->dev,
251 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
252 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
253 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
254 dev_info(&pf->pdev->dev,
255 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
256 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
257 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
258 dev_info(&pf->pdev->dev,
259 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
260 vsi->tx_restart, vsi->tx_busy,
261 vsi->rx_buf_failed, vsi->rx_page_failed);
262 rcu_read_lock();
263 for (i = 0; i < vsi->num_queue_pairs; i++) {
264 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
265
266 if (!rx_ring)
267 continue;
268
269 dev_info(&pf->pdev->dev,
270 " rx_rings[%i]: desc = %p\n",
271 i, rx_ring->desc);
272 dev_info(&pf->pdev->dev,
273 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
274 i, rx_ring->dev,
275 rx_ring->netdev,
276 rx_ring->rx_bi);
277 dev_info(&pf->pdev->dev,
278 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
279 i, rx_ring->state,
280 rx_ring->queue_index,
281 rx_ring->reg_idx);
282 dev_info(&pf->pdev->dev,
283 " rx_rings[%i]: rx_buf_len = %d\n",
284 i, rx_ring->rx_buf_len);
285 dev_info(&pf->pdev->dev,
286 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
287 i,
288 rx_ring->next_to_use,
289 rx_ring->next_to_clean,
290 rx_ring->ring_active);
291 dev_info(&pf->pdev->dev,
292 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
293 i, rx_ring->stats.packets,
294 rx_ring->stats.bytes,
295 rx_ring->rx_stats.non_eop_descs);
296 dev_info(&pf->pdev->dev,
297 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
298 i,
299 rx_ring->rx_stats.alloc_page_failed,
300 rx_ring->rx_stats.alloc_buff_failed);
301 dev_info(&pf->pdev->dev,
302 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
303 i,
304 rx_ring->rx_stats.realloc_count,
305 rx_ring->rx_stats.page_reuse_count);
306 dev_info(&pf->pdev->dev,
307 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
308 i, rx_ring->size,
309 (unsigned long int)rx_ring->dma);
310 dev_info(&pf->pdev->dev,
311 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
312 i, rx_ring->vsi,
313 rx_ring->q_vector);
314 dev_info(&pf->pdev->dev,
315 " rx_rings[%i]: rx_itr_setting = %d (%s)\n",
316 i, rx_ring->rx_itr_setting,
317 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
318 }
319 for (i = 0; i < vsi->num_queue_pairs; i++) {
320 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
321
322 if (!tx_ring)
323 continue;
324
325 dev_info(&pf->pdev->dev,
326 " tx_rings[%i]: desc = %p\n",
327 i, tx_ring->desc);
328 dev_info(&pf->pdev->dev,
329 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
330 i, tx_ring->dev,
331 tx_ring->netdev,
332 tx_ring->tx_bi);
333 dev_info(&pf->pdev->dev,
334 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
335 i, tx_ring->state,
336 tx_ring->queue_index,
337 tx_ring->reg_idx);
338 dev_info(&pf->pdev->dev,
339 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
340 i,
341 tx_ring->next_to_use,
342 tx_ring->next_to_clean,
343 tx_ring->ring_active);
344 dev_info(&pf->pdev->dev,
345 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
346 i, tx_ring->stats.packets,
347 tx_ring->stats.bytes,
348 tx_ring->tx_stats.restart_queue);
349 dev_info(&pf->pdev->dev,
350 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
351 i,
352 tx_ring->tx_stats.tx_busy,
353 tx_ring->tx_stats.tx_done_old);
354 dev_info(&pf->pdev->dev,
355 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
356 i, tx_ring->size,
357 (unsigned long int)tx_ring->dma);
358 dev_info(&pf->pdev->dev,
359 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
360 i, tx_ring->vsi,
361 tx_ring->q_vector);
362 dev_info(&pf->pdev->dev,
363 " tx_rings[%i]: DCB tc = %d\n",
364 i, tx_ring->dcb_tc);
365 dev_info(&pf->pdev->dev,
366 " tx_rings[%i]: tx_itr_setting = %d (%s)\n",
367 i, tx_ring->tx_itr_setting,
368 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
369 }
370 rcu_read_unlock();
371 dev_info(&pf->pdev->dev,
372 " work_limit = %d\n",
373 vsi->work_limit);
374 dev_info(&pf->pdev->dev,
375 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
376 vsi->max_frame, vsi->rx_buf_len, 0);
377 dev_info(&pf->pdev->dev,
378 " num_q_vectors = %i, base_vector = %i\n",
379 vsi->num_q_vectors, vsi->base_vector);
380 dev_info(&pf->pdev->dev,
381 " seid = %d, id = %d, uplink_seid = %d\n",
382 vsi->seid, vsi->id, vsi->uplink_seid);
383 dev_info(&pf->pdev->dev,
384 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
385 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
387 dev_info(&pf->pdev->dev,
388 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
389 vsi->info.valid_sections, vsi->info.switch_id);
390 dev_info(&pf->pdev->dev,
391 " info: sw_reserved[] = 0x%02x 0x%02x\n",
392 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
393 dev_info(&pf->pdev->dev,
394 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
395 vsi->info.sec_flags, vsi->info.sec_reserved);
396 dev_info(&pf->pdev->dev,
397 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
398 vsi->info.pvid, vsi->info.fcoe_pvid,
399 vsi->info.port_vlan_flags);
400 dev_info(&pf->pdev->dev,
401 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
402 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
403 vsi->info.pvlan_reserved[2]);
404 dev_info(&pf->pdev->dev,
405 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
406 vsi->info.ingress_table, vsi->info.egress_table);
407 dev_info(&pf->pdev->dev,
408 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
409 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
410 vsi->info.cas_pv_reserved);
411 dev_info(&pf->pdev->dev,
412 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
413 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
414 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
415 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
416 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
417 dev_info(&pf->pdev->dev,
418 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
419 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
420 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
421 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
422 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
423 dev_info(&pf->pdev->dev,
424 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
425 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
426 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
427 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
428 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
429 dev_info(&pf->pdev->dev,
430 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
431 vsi->info.queueing_opt_flags,
432 vsi->info.queueing_opt_reserved[0],
433 vsi->info.queueing_opt_reserved[1],
434 vsi->info.queueing_opt_reserved[2]);
435 dev_info(&pf->pdev->dev,
436 " info: up_enable_bits = 0x%02x\n",
437 vsi->info.up_enable_bits);
438 dev_info(&pf->pdev->dev,
439 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
440 vsi->info.sched_reserved, vsi->info.outer_up_table);
441 dev_info(&pf->pdev->dev,
442 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
443 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
444 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
445 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
446 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
447 dev_info(&pf->pdev->dev,
448 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
449 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
450 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
451 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
452 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
453 dev_info(&pf->pdev->dev,
454 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
455 vsi->info.stat_counter_idx, vsi->info.sched_id);
456 dev_info(&pf->pdev->dev,
457 " 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",
458 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
459 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
460 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
461 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
462 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
463 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
464 if (vsi->back)
465 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
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#ifdef I40E_FCOE
488 if (vsi->type == I40E_VSI_FCOE) {
489 dev_info(&pf->pdev->dev,
490 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
491 vsi->fcoe_stats.rx_fcoe_packets,
492 vsi->fcoe_stats.rx_fcoe_dwords,
493 vsi->fcoe_stats.rx_fcoe_dropped);
494 dev_info(&pf->pdev->dev,
495 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
496 vsi->fcoe_stats.tx_fcoe_packets,
497 vsi->fcoe_stats.tx_fcoe_dwords);
498 dev_info(&pf->pdev->dev,
499 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
500 vsi->fcoe_stats.fcoe_bad_fccrc,
501 vsi->fcoe_stats.fcoe_last_error);
502 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
503 vsi->fcoe_stats.fcoe_ddp_count);
504 }
505#endif
506}
507
508/**
509 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
510 * @pf: the i40e_pf created in command write
511 **/
512static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
513{
514 struct i40e_adminq_ring *ring;
515 struct i40e_hw *hw = &pf->hw;
516 char hdr[32];
517 int i;
518
519 snprintf(hdr, sizeof(hdr), "%s %s: ",
520 dev_driver_string(&pf->pdev->dev),
521 dev_name(&pf->pdev->dev));
522
523 /* first the send (command) ring, then the receive (event) ring */
524 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
525 ring = &(hw->aq.asq);
526 for (i = 0; i < ring->count; i++) {
527 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
528
529 dev_info(&pf->pdev->dev,
530 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
531 i, d->flags, d->opcode, d->datalen, d->retval,
532 d->cookie_high, d->cookie_low);
533 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
534 16, 1, d->params.raw, 16, 0);
535 }
536
537 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
538 ring = &(hw->aq.arq);
539 for (i = 0; i < ring->count; i++) {
540 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
541
542 dev_info(&pf->pdev->dev,
543 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
544 i, d->flags, d->opcode, d->datalen, d->retval,
545 d->cookie_high, d->cookie_low);
546 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
547 16, 1, d->params.raw, 16, 0);
548 }
549}
550
551/**
552 * i40e_dbg_dump_desc - handles dump desc write into command datum
553 * @cnt: number of arguments that the user supplied
554 * @vsi_seid: vsi id entered by user
555 * @ring_id: ring id entered by user
556 * @desc_n: descriptor number entered by user
557 * @pf: the i40e_pf created in command write
558 * @is_rx_ring: true if rx, false if tx
559 **/
560static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
561 struct i40e_pf *pf, bool is_rx_ring)
562{
563 struct i40e_tx_desc *txd;
564 union i40e_rx_desc *rxd;
565 struct i40e_ring *ring;
566 struct i40e_vsi *vsi;
567 int i;
568
569 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
570 if (!vsi) {
571 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
572 return;
573 }
574 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
575 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
576 return;
577 }
578 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
579 dev_info(&pf->pdev->dev,
580 "descriptor rings have not been allocated for vsi %d\n",
581 vsi_seid);
582 return;
583 }
584
585 ring = kmemdup(is_rx_ring
586 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
587 sizeof(*ring), GFP_KERNEL);
588 if (!ring)
589 return;
590
591 if (cnt == 2) {
592 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
593 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
594 for (i = 0; i < ring->count; i++) {
595 if (!is_rx_ring) {
596 txd = I40E_TX_DESC(ring, i);
597 dev_info(&pf->pdev->dev,
598 " d[%03x] = 0x%016llx 0x%016llx\n",
599 i, txd->buffer_addr,
600 txd->cmd_type_offset_bsz);
601 } else {
602 rxd = I40E_RX_DESC(ring, i);
603 dev_info(&pf->pdev->dev,
604 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
605 i, rxd->read.pkt_addr,
606 rxd->read.hdr_addr,
607 rxd->read.rsvd1, rxd->read.rsvd2);
608 }
609 }
610 } else if (cnt == 3) {
611 if (desc_n >= ring->count || desc_n < 0) {
612 dev_info(&pf->pdev->dev,
613 "descriptor %d not found\n", desc_n);
614 goto out;
615 }
616 if (!is_rx_ring) {
617 txd = I40E_TX_DESC(ring, desc_n);
618 dev_info(&pf->pdev->dev,
619 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
620 vsi_seid, ring_id, desc_n,
621 txd->buffer_addr, txd->cmd_type_offset_bsz);
622 } else {
623 rxd = I40E_RX_DESC(ring, desc_n);
624 dev_info(&pf->pdev->dev,
625 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
626 vsi_seid, ring_id, desc_n,
627 rxd->read.pkt_addr, rxd->read.hdr_addr,
628 rxd->read.rsvd1, rxd->read.rsvd2);
629 }
630 } else {
631 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
632 }
633
634out:
635 kfree(ring);
636}
637
638/**
639 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
640 * @pf: the i40e_pf created in command write
641 **/
642static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
643{
644 int i;
645
646 for (i = 0; i < pf->num_alloc_vsi; i++)
647 if (pf->vsi[i])
648 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
649 i, pf->vsi[i]->seid);
650}
651
652/**
653 * i40e_dbg_dump_stats - handles dump stats write into command datum
654 * @pf: the i40e_pf created in command write
655 * @estats: the eth stats structure to be dumped
656 **/
657static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
658 struct i40e_eth_stats *estats)
659{
660 dev_info(&pf->pdev->dev, " ethstats:\n");
661 dev_info(&pf->pdev->dev,
662 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
663 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
664 dev_info(&pf->pdev->dev,
665 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
666 estats->rx_broadcast, estats->rx_discards);
667 dev_info(&pf->pdev->dev,
668 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
669 estats->rx_unknown_protocol, estats->tx_bytes);
670 dev_info(&pf->pdev->dev,
671 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
672 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
673 dev_info(&pf->pdev->dev,
674 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
675 estats->tx_discards, estats->tx_errors);
676}
677
678/**
679 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
680 * @pf: the i40e_pf created in command write
681 * @seid: the seid the user put in
682 **/
683static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
684{
685 struct i40e_veb *veb;
686
687 veb = i40e_dbg_find_veb(pf, seid);
688 if (!veb) {
689 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
690 return;
691 }
692 dev_info(&pf->pdev->dev,
693 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
694 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
695 veb->uplink_seid,
696 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
697 i40e_dbg_dump_eth_stats(pf, &veb->stats);
698}
699
700/**
701 * i40e_dbg_dump_veb_all - dumps all known veb's stats
702 * @pf: the i40e_pf created in command write
703 **/
704static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
705{
706 struct i40e_veb *veb;
707 int i;
708
709 for (i = 0; i < I40E_MAX_VEB; i++) {
710 veb = pf->veb[i];
711 if (veb)
712 i40e_dbg_dump_veb_seid(pf, veb->seid);
713 }
714}
715
716#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
717/**
718 * i40e_dbg_command_write - write into command datum
719 * @filp: the opened file
720 * @buffer: where to find the user's data
721 * @count: the length of the user's data
722 * @ppos: file position offset
723 **/
724static ssize_t i40e_dbg_command_write(struct file *filp,
725 const char __user *buffer,
726 size_t count, loff_t *ppos)
727{
728 struct i40e_pf *pf = filp->private_data;
729 char *cmd_buf, *cmd_buf_tmp;
730 int bytes_not_copied;
731 struct i40e_vsi *vsi;
732 int vsi_seid;
733 int veb_seid;
734 int cnt;
735
736 /* don't allow partial writes */
737 if (*ppos != 0)
738 return 0;
739
740 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
741 if (!cmd_buf)
742 return count;
743 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
744 if (bytes_not_copied) {
745 kfree(cmd_buf);
746 return -EFAULT;
747 }
748 cmd_buf[count] = '\0';
749
750 cmd_buf_tmp = strchr(cmd_buf, '\n');
751 if (cmd_buf_tmp) {
752 *cmd_buf_tmp = '\0';
753 count = cmd_buf_tmp - cmd_buf + 1;
754 }
755
756 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
757 vsi_seid = -1;
758 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
759 if (cnt == 0) {
760 /* default to PF VSI */
761 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
762 } else if (vsi_seid < 0) {
763 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
764 vsi_seid);
765 goto command_write_done;
766 }
767
768 /* By default we are in VEPA mode, if this is the first VF/VMDq
769 * VSI to be added switch to VEB mode.
770 */
771 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
772 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
773 i40e_do_reset_safe(pf,
774 BIT_ULL(__I40E_PF_RESET_REQUESTED));
775 }
776
777 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
778 if (vsi)
779 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
780 vsi->seid, vsi->uplink_seid);
781 else
782 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
783
784 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
785 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
786 if (cnt != 1) {
787 dev_info(&pf->pdev->dev,
788 "del vsi: bad command string, cnt=%d\n",
789 cnt);
790 goto command_write_done;
791 }
792 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
793 if (!vsi) {
794 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
795 vsi_seid);
796 goto command_write_done;
797 }
798
799 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
800 i40e_vsi_release(vsi);
801
802 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
803 struct i40e_veb *veb;
804 int uplink_seid, i;
805
806 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
807 if (cnt != 2) {
808 dev_info(&pf->pdev->dev,
809 "add relay: bad command string, cnt=%d\n",
810 cnt);
811 goto command_write_done;
812 } else if (uplink_seid < 0) {
813 dev_info(&pf->pdev->dev,
814 "add relay %d: bad uplink seid\n",
815 uplink_seid);
816 goto command_write_done;
817 }
818
819 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
820 if (!vsi) {
821 dev_info(&pf->pdev->dev,
822 "add relay: VSI %d not found\n", vsi_seid);
823 goto command_write_done;
824 }
825
826 for (i = 0; i < I40E_MAX_VEB; i++)
827 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
828 break;
829 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
830 uplink_seid != pf->mac_seid) {
831 dev_info(&pf->pdev->dev,
832 "add relay: relay uplink %d not found\n",
833 uplink_seid);
834 goto command_write_done;
835 }
836
837 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
838 vsi->tc_config.enabled_tc);
839 if (veb)
840 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
841 else
842 dev_info(&pf->pdev->dev, "add relay failed\n");
843
844 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
845 int i;
846 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
847 if (cnt != 1) {
848 dev_info(&pf->pdev->dev,
849 "del relay: bad command string, cnt=%d\n",
850 cnt);
851 goto command_write_done;
852 } else if (veb_seid < 0) {
853 dev_info(&pf->pdev->dev,
854 "del relay %d: bad relay seid\n", veb_seid);
855 goto command_write_done;
856 }
857
858 /* find the veb */
859 for (i = 0; i < I40E_MAX_VEB; i++)
860 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
861 break;
862 if (i >= I40E_MAX_VEB) {
863 dev_info(&pf->pdev->dev,
864 "del relay: relay %d not found\n", veb_seid);
865 goto command_write_done;
866 }
867
868 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
869 i40e_veb_release(pf->veb[i]);
870 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
871 i40e_status ret;
872 u16 vid;
873 unsigned int v;
874
875 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
876 if (cnt != 2) {
877 dev_info(&pf->pdev->dev,
878 "add pvid: bad command string, cnt=%d\n", cnt);
879 goto command_write_done;
880 }
881
882 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
883 if (!vsi) {
884 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
885 vsi_seid);
886 goto command_write_done;
887 }
888
889 vid = v;
890 ret = i40e_vsi_add_pvid(vsi, vid);
891 if (!ret)
892 dev_info(&pf->pdev->dev,
893 "add pvid: %d added to VSI %d\n",
894 vid, vsi_seid);
895 else
896 dev_info(&pf->pdev->dev,
897 "add pvid: %d to VSI %d failed, ret=%d\n",
898 vid, vsi_seid, ret);
899
900 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
901
902 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
903 if (cnt != 1) {
904 dev_info(&pf->pdev->dev,
905 "del pvid: bad command string, cnt=%d\n",
906 cnt);
907 goto command_write_done;
908 }
909
910 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
911 if (!vsi) {
912 dev_info(&pf->pdev->dev,
913 "del pvid: VSI %d not found\n", vsi_seid);
914 goto command_write_done;
915 }
916
917 i40e_vsi_remove_pvid(vsi);
918 dev_info(&pf->pdev->dev,
919 "del pvid: removed from VSI %d\n", vsi_seid);
920
921 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
922 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
923 i40e_fetch_switch_configuration(pf, true);
924 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
925 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
926 if (cnt > 0)
927 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
928 else
929 i40e_dbg_dump_vsi_no_seid(pf);
930 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
931 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
932 if (cnt > 0)
933 i40e_dbg_dump_veb_seid(pf, vsi_seid);
934 else
935 i40e_dbg_dump_veb_all(pf);
936 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
937 int ring_id, desc_n;
938 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
939 cnt = sscanf(&cmd_buf[12], "%i %i %i",
940 &vsi_seid, &ring_id, &desc_n);
941 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
942 desc_n, pf, true);
943 } else if (strncmp(&cmd_buf[10], "tx", 2)
944 == 0) {
945 cnt = sscanf(&cmd_buf[12], "%i %i %i",
946 &vsi_seid, &ring_id, &desc_n);
947 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
948 desc_n, pf, false);
949 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
950 i40e_dbg_dump_aq_desc(pf);
951 } else {
952 dev_info(&pf->pdev->dev,
953 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
954 dev_info(&pf->pdev->dev,
955 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
956 dev_info(&pf->pdev->dev, "dump desc aq\n");
957 }
958 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
959 dev_info(&pf->pdev->dev,
960 "core reset count: %d\n", pf->corer_count);
961 dev_info(&pf->pdev->dev,
962 "global reset count: %d\n", pf->globr_count);
963 dev_info(&pf->pdev->dev,
964 "emp reset count: %d\n", pf->empr_count);
965 dev_info(&pf->pdev->dev,
966 "pf reset count: %d\n", pf->pfr_count);
967 dev_info(&pf->pdev->dev,
968 "pf tx sluggish count: %d\n",
969 pf->tx_sluggish_count);
970 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
971 struct i40e_aqc_query_port_ets_config_resp *bw_data;
972 struct i40e_dcbx_config *cfg =
973 &pf->hw.local_dcbx_config;
974 struct i40e_dcbx_config *r_cfg =
975 &pf->hw.remote_dcbx_config;
976 int i, ret;
977 u32 switch_id;
978
979 bw_data = kzalloc(sizeof(
980 struct i40e_aqc_query_port_ets_config_resp),
981 GFP_KERNEL);
982 if (!bw_data) {
983 ret = -ENOMEM;
984 goto command_write_done;
985 }
986
987 vsi = pf->vsi[pf->lan_vsi];
988 switch_id =
989 vsi->info.switch_id & I40E_AQ_VSI_SW_ID_MASK;
990
991 ret = i40e_aq_query_port_ets_config(&pf->hw,
992 switch_id,
993 bw_data, NULL);
994 if (ret) {
995 dev_info(&pf->pdev->dev,
996 "Query Port ETS Config AQ command failed =0x%x\n",
997 pf->hw.aq.asq_last_status);
998 kfree(bw_data);
999 bw_data = NULL;
1000 goto command_write_done;
1001 }
1002 dev_info(&pf->pdev->dev,
1003 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1004 bw_data->tc_valid_bits,
1005 bw_data->tc_strict_priority_bits,
1006 le16_to_cpu(bw_data->tc_bw_max[0]),
1007 le16_to_cpu(bw_data->tc_bw_max[1]));
1008 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1009 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1010 bw_data->tc_bw_share_credits[i],
1011 le16_to_cpu(bw_data->tc_bw_limits[i]));
1012 }
1013
1014 kfree(bw_data);
1015 bw_data = NULL;
1016
1017 dev_info(&pf->pdev->dev,
1018 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1019 dev_info(&pf->pdev->dev,
1020 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1021 cfg->etscfg.willing, cfg->etscfg.cbs,
1022 cfg->etscfg.maxtcs);
1023 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1024 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1025 i, cfg->etscfg.prioritytable[i],
1026 cfg->etscfg.tcbwtable[i],
1027 cfg->etscfg.tsatable[i]);
1028 }
1029 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1030 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1031 i, cfg->etsrec.prioritytable[i],
1032 cfg->etsrec.tcbwtable[i],
1033 cfg->etsrec.tsatable[i]);
1034 }
1035 dev_info(&pf->pdev->dev,
1036 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1037 cfg->pfc.willing, cfg->pfc.mbc,
1038 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1039 dev_info(&pf->pdev->dev,
1040 "port app_table: num_apps=%d\n", cfg->numapps);
1041 for (i = 0; i < cfg->numapps; i++) {
1042 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1043 i, cfg->app[i].priority,
1044 cfg->app[i].selector,
1045 cfg->app[i].protocolid);
1046 }
1047 /* Peer TLV DCBX data */
1048 dev_info(&pf->pdev->dev,
1049 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1050 r_cfg->etscfg.willing,
1051 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1052 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1053 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1054 i, r_cfg->etscfg.prioritytable[i],
1055 r_cfg->etscfg.tcbwtable[i],
1056 r_cfg->etscfg.tsatable[i]);
1057 }
1058 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1059 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1060 i, r_cfg->etsrec.prioritytable[i],
1061 r_cfg->etsrec.tcbwtable[i],
1062 r_cfg->etsrec.tsatable[i]);
1063 }
1064 dev_info(&pf->pdev->dev,
1065 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1066 r_cfg->pfc.willing,
1067 r_cfg->pfc.mbc,
1068 r_cfg->pfc.pfccap,
1069 r_cfg->pfc.pfcenable);
1070 dev_info(&pf->pdev->dev,
1071 "remote port app_table: num_apps=%d\n",
1072 r_cfg->numapps);
1073 for (i = 0; i < r_cfg->numapps; i++) {
1074 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1075 i, r_cfg->app[i].priority,
1076 r_cfg->app[i].selector,
1077 r_cfg->app[i].protocolid);
1078 }
1079 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1080 int cluster_id, table_id;
1081 int index, ret;
1082 u16 buff_len = 4096;
1083 u32 next_index;
1084 u8 next_table;
1085 u8 *buff;
1086 u16 rlen;
1087
1088 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1089 &cluster_id, &table_id, &index);
1090 if (cnt != 3) {
1091 dev_info(&pf->pdev->dev,
1092 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1093 goto command_write_done;
1094 }
1095
1096 dev_info(&pf->pdev->dev,
1097 "AQ debug dump fwdata params %x %x %x %x\n",
1098 cluster_id, table_id, index, buff_len);
1099 buff = kzalloc(buff_len, GFP_KERNEL);
1100 if (!buff)
1101 goto command_write_done;
1102
1103 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1104 index, buff_len, buff, &rlen,
1105 &next_table, &next_index,
1106 NULL);
1107 if (ret) {
1108 dev_info(&pf->pdev->dev,
1109 "debug dump fwdata AQ Failed %d 0x%x\n",
1110 ret, pf->hw.aq.asq_last_status);
1111 kfree(buff);
1112 buff = NULL;
1113 goto command_write_done;
1114 }
1115 dev_info(&pf->pdev->dev,
1116 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1117 rlen, next_table, next_index);
1118 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1119 DUMP_PREFIX_OFFSET, 16, 1,
1120 buff, rlen, true);
1121 kfree(buff);
1122 buff = NULL;
1123 } else {
1124 dev_info(&pf->pdev->dev,
1125 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1126 dev_info(&pf->pdev->dev, "dump switch\n");
1127 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1128 dev_info(&pf->pdev->dev, "dump reset stats\n");
1129 dev_info(&pf->pdev->dev, "dump port\n");
1130 dev_info(&pf->pdev->dev,
1131 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1132 }
1133 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1134 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1135 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1136
1137 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1138 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1139 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1140
1141 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1142 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1143 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1144
1145 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1146 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1147 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1148
1149 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1150 u32 address;
1151 u32 value;
1152
1153 cnt = sscanf(&cmd_buf[4], "%i", &address);
1154 if (cnt != 1) {
1155 dev_info(&pf->pdev->dev, "read <reg>\n");
1156 goto command_write_done;
1157 }
1158
1159 /* check the range on address */
1160 if (address > (pf->ioremap_len - sizeof(u32))) {
1161 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1162 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1163 goto command_write_done;
1164 }
1165
1166 value = rd32(&pf->hw, address);
1167 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1168 address, value);
1169
1170 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1171 u32 address, value;
1172
1173 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1174 if (cnt != 2) {
1175 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1176 goto command_write_done;
1177 }
1178
1179 /* check the range on address */
1180 if (address > (pf->ioremap_len - sizeof(u32))) {
1181 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1182 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1183 goto command_write_done;
1184 }
1185 wr32(&pf->hw, address, value);
1186 value = rd32(&pf->hw, address);
1187 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1188 address, value);
1189 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1190 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1191 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1192 if (cnt == 0) {
1193 int i;
1194
1195 for (i = 0; i < pf->num_alloc_vsi; i++)
1196 i40e_vsi_reset_stats(pf->vsi[i]);
1197 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1198 } else if (cnt == 1) {
1199 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1200 if (!vsi) {
1201 dev_info(&pf->pdev->dev,
1202 "clear_stats vsi: bad vsi %d\n",
1203 vsi_seid);
1204 goto command_write_done;
1205 }
1206 i40e_vsi_reset_stats(vsi);
1207 dev_info(&pf->pdev->dev,
1208 "vsi clear stats called for vsi %d\n",
1209 vsi_seid);
1210 } else {
1211 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1212 }
1213 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1214 if (pf->hw.partition_id == 1) {
1215 i40e_pf_reset_stats(pf);
1216 dev_info(&pf->pdev->dev, "port stats cleared\n");
1217 } else {
1218 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1219 }
1220 } else {
1221 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1222 }
1223 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1224 struct i40e_aq_desc *desc;
1225 i40e_status ret;
1226
1227 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1228 if (!desc)
1229 goto command_write_done;
1230 cnt = sscanf(&cmd_buf[11],
1231 "%hi %hi %hi %hi %i %i %i %i %i %i",
1232 &desc->flags,
1233 &desc->opcode, &desc->datalen, &desc->retval,
1234 &desc->cookie_high, &desc->cookie_low,
1235 &desc->params.internal.param0,
1236 &desc->params.internal.param1,
1237 &desc->params.internal.param2,
1238 &desc->params.internal.param3);
1239 if (cnt != 10) {
1240 dev_info(&pf->pdev->dev,
1241 "send aq_cmd: bad command string, cnt=%d\n",
1242 cnt);
1243 kfree(desc);
1244 desc = NULL;
1245 goto command_write_done;
1246 }
1247 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1248 if (!ret) {
1249 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1250 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1251 dev_info(&pf->pdev->dev,
1252 "AQ command send failed Opcode %x AQ Error: %d\n",
1253 desc->opcode, pf->hw.aq.asq_last_status);
1254 } else {
1255 dev_info(&pf->pdev->dev,
1256 "AQ command send failed Opcode %x Status: %d\n",
1257 desc->opcode, ret);
1258 }
1259 dev_info(&pf->pdev->dev,
1260 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1261 desc->flags, desc->opcode, desc->datalen, desc->retval,
1262 desc->cookie_high, desc->cookie_low,
1263 desc->params.internal.param0,
1264 desc->params.internal.param1,
1265 desc->params.internal.param2,
1266 desc->params.internal.param3);
1267 kfree(desc);
1268 desc = NULL;
1269 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1270 struct i40e_aq_desc *desc;
1271 i40e_status ret;
1272 u16 buffer_len;
1273 u8 *buff;
1274
1275 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1276 if (!desc)
1277 goto command_write_done;
1278 cnt = sscanf(&cmd_buf[20],
1279 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1280 &desc->flags,
1281 &desc->opcode, &desc->datalen, &desc->retval,
1282 &desc->cookie_high, &desc->cookie_low,
1283 &desc->params.internal.param0,
1284 &desc->params.internal.param1,
1285 &desc->params.internal.param2,
1286 &desc->params.internal.param3,
1287 &buffer_len);
1288 if (cnt != 11) {
1289 dev_info(&pf->pdev->dev,
1290 "send indirect aq_cmd: bad command string, cnt=%d\n",
1291 cnt);
1292 kfree(desc);
1293 desc = NULL;
1294 goto command_write_done;
1295 }
1296 /* Just stub a buffer big enough in case user messed up */
1297 if (buffer_len == 0)
1298 buffer_len = 1280;
1299
1300 buff = kzalloc(buffer_len, GFP_KERNEL);
1301 if (!buff) {
1302 kfree(desc);
1303 desc = NULL;
1304 goto command_write_done;
1305 }
1306 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1307 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1308 buffer_len, NULL);
1309 if (!ret) {
1310 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1311 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1312 dev_info(&pf->pdev->dev,
1313 "AQ command send failed Opcode %x AQ Error: %d\n",
1314 desc->opcode, pf->hw.aq.asq_last_status);
1315 } else {
1316 dev_info(&pf->pdev->dev,
1317 "AQ command send failed Opcode %x Status: %d\n",
1318 desc->opcode, ret);
1319 }
1320 dev_info(&pf->pdev->dev,
1321 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1322 desc->flags, desc->opcode, desc->datalen, desc->retval,
1323 desc->cookie_high, desc->cookie_low,
1324 desc->params.internal.param0,
1325 desc->params.internal.param1,
1326 desc->params.internal.param2,
1327 desc->params.internal.param3);
1328 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1329 DUMP_PREFIX_OFFSET, 16, 1,
1330 buff, buffer_len, true);
1331 kfree(buff);
1332 buff = NULL;
1333 kfree(desc);
1334 desc = NULL;
1335 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1336 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1337 i40e_get_current_fd_count(pf));
1338 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1339 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1340 int ret;
1341
1342 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1343 if (ret) {
1344 dev_info(&pf->pdev->dev,
1345 "Stop LLDP AQ command failed =0x%x\n",
1346 pf->hw.aq.asq_last_status);
1347 goto command_write_done;
1348 }
1349 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1350 pf->hw.mac.addr,
1351 I40E_ETH_P_LLDP, 0,
1352 pf->vsi[pf->lan_vsi]->seid,
1353 0, true, NULL, NULL);
1354 if (ret) {
1355 dev_info(&pf->pdev->dev,
1356 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1357 __func__, pf->hw.aq.asq_last_status);
1358 goto command_write_done;
1359 }
1360#ifdef CONFIG_I40E_DCB
1361 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1362 DCB_CAP_DCBX_VER_IEEE;
1363#endif /* CONFIG_I40E_DCB */
1364 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1365 int ret;
1366
1367 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1368 pf->hw.mac.addr,
1369 I40E_ETH_P_LLDP, 0,
1370 pf->vsi[pf->lan_vsi]->seid,
1371 0, false, NULL, NULL);
1372 if (ret) {
1373 dev_info(&pf->pdev->dev,
1374 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1375 __func__, pf->hw.aq.asq_last_status);
1376 /* Continue and start FW LLDP anyways */
1377 }
1378
1379 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1380 if (ret) {
1381 dev_info(&pf->pdev->dev,
1382 "Start LLDP AQ command failed =0x%x\n",
1383 pf->hw.aq.asq_last_status);
1384 goto command_write_done;
1385 }
1386#ifdef CONFIG_I40E_DCB
1387 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1388 DCB_CAP_DCBX_VER_IEEE;
1389#endif /* CONFIG_I40E_DCB */
1390 } else if (strncmp(&cmd_buf[5],
1391 "get local", 9) == 0) {
1392 u16 llen, rlen;
1393 int ret;
1394 u8 *buff;
1395
1396 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1397 if (!buff)
1398 goto command_write_done;
1399
1400 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1401 I40E_AQ_LLDP_MIB_LOCAL,
1402 buff, I40E_LLDPDU_SIZE,
1403 &llen, &rlen, NULL);
1404 if (ret) {
1405 dev_info(&pf->pdev->dev,
1406 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1407 pf->hw.aq.asq_last_status);
1408 kfree(buff);
1409 buff = NULL;
1410 goto command_write_done;
1411 }
1412 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1413 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1414 DUMP_PREFIX_OFFSET, 16, 1,
1415 buff, I40E_LLDPDU_SIZE, true);
1416 kfree(buff);
1417 buff = NULL;
1418 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1419 u16 llen, rlen;
1420 int ret;
1421 u8 *buff;
1422
1423 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1424 if (!buff)
1425 goto command_write_done;
1426
1427 ret = i40e_aq_get_lldp_mib(&pf->hw,
1428 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1429 I40E_AQ_LLDP_MIB_REMOTE,
1430 buff, I40E_LLDPDU_SIZE,
1431 &llen, &rlen, NULL);
1432 if (ret) {
1433 dev_info(&pf->pdev->dev,
1434 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1435 pf->hw.aq.asq_last_status);
1436 kfree(buff);
1437 buff = NULL;
1438 goto command_write_done;
1439 }
1440 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1441 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1442 DUMP_PREFIX_OFFSET, 16, 1,
1443 buff, I40E_LLDPDU_SIZE, true);
1444 kfree(buff);
1445 buff = NULL;
1446 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1447 int ret;
1448
1449 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1450 true, NULL);
1451 if (ret) {
1452 dev_info(&pf->pdev->dev,
1453 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1454 pf->hw.aq.asq_last_status);
1455 goto command_write_done;
1456 }
1457 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1458 int ret;
1459
1460 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1461 false, NULL);
1462 if (ret) {
1463 dev_info(&pf->pdev->dev,
1464 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1465 pf->hw.aq.asq_last_status);
1466 goto command_write_done;
1467 }
1468 }
1469 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1470 u16 buffer_len, bytes;
1471 u16 module;
1472 u32 offset;
1473 u16 *buff;
1474 int ret;
1475
1476 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1477 &module, &offset, &buffer_len);
1478 if (cnt == 0) {
1479 module = 0;
1480 offset = 0;
1481 buffer_len = 0;
1482 } else if (cnt == 1) {
1483 offset = 0;
1484 buffer_len = 0;
1485 } else if (cnt == 2) {
1486 buffer_len = 0;
1487 } else if (cnt > 3) {
1488 dev_info(&pf->pdev->dev,
1489 "nvm read: bad command string, cnt=%d\n", cnt);
1490 goto command_write_done;
1491 }
1492
1493 /* set the max length */
1494 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1495
1496 bytes = 2 * buffer_len;
1497
1498 /* read at least 1k bytes, no more than 4kB */
1499 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1500 buff = kzalloc(bytes, GFP_KERNEL);
1501 if (!buff)
1502 goto command_write_done;
1503
1504 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1505 if (ret) {
1506 dev_info(&pf->pdev->dev,
1507 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1508 ret, pf->hw.aq.asq_last_status);
1509 kfree(buff);
1510 goto command_write_done;
1511 }
1512
1513 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1514 bytes, (u8 *)buff, true, NULL);
1515 i40e_release_nvm(&pf->hw);
1516 if (ret) {
1517 dev_info(&pf->pdev->dev,
1518 "Read NVM AQ failed err=%d status=0x%x\n",
1519 ret, pf->hw.aq.asq_last_status);
1520 } else {
1521 dev_info(&pf->pdev->dev,
1522 "Read NVM module=0x%x offset=0x%x words=%d\n",
1523 module, offset, buffer_len);
1524 if (bytes)
1525 print_hex_dump(KERN_INFO, "NVM Dump: ",
1526 DUMP_PREFIX_OFFSET, 16, 2,
1527 buff, bytes, true);
1528 }
1529 kfree(buff);
1530 buff = NULL;
1531 } else {
1532 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1533 dev_info(&pf->pdev->dev, "available commands\n");
1534 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1535 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1536 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1537 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1538 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1539 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1540 dev_info(&pf->pdev->dev, " dump switch\n");
1541 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1542 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1543 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1544 dev_info(&pf->pdev->dev, " dump desc aq\n");
1545 dev_info(&pf->pdev->dev, " dump reset stats\n");
1546 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1547 dev_info(&pf->pdev->dev, " read <reg>\n");
1548 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1549 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1550 dev_info(&pf->pdev->dev, " clear_stats port\n");
1551 dev_info(&pf->pdev->dev, " pfr\n");
1552 dev_info(&pf->pdev->dev, " corer\n");
1553 dev_info(&pf->pdev->dev, " globr\n");
1554 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1555 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1556 dev_info(&pf->pdev->dev, " fd current cnt");
1557 dev_info(&pf->pdev->dev, " lldp start\n");
1558 dev_info(&pf->pdev->dev, " lldp stop\n");
1559 dev_info(&pf->pdev->dev, " lldp get local\n");
1560 dev_info(&pf->pdev->dev, " lldp get remote\n");
1561 dev_info(&pf->pdev->dev, " lldp event on\n");
1562 dev_info(&pf->pdev->dev, " lldp event off\n");
1563 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1564 }
1565
1566command_write_done:
1567 kfree(cmd_buf);
1568 cmd_buf = NULL;
1569 return count;
1570}
1571
1572static const struct file_operations i40e_dbg_command_fops = {
1573 .owner = THIS_MODULE,
1574 .open = simple_open,
1575 .read = i40e_dbg_command_read,
1576 .write = i40e_dbg_command_write,
1577};
1578
1579/**************************************************************
1580 * netdev_ops
1581 * The netdev_ops entry in debugfs is for giving the driver commands
1582 * to be executed from the netdev operations.
1583 **************************************************************/
1584static char i40e_dbg_netdev_ops_buf[256] = "";
1585
1586/**
1587 * i40e_dbg_netdev_ops - read for netdev_ops datum
1588 * @filp: the opened file
1589 * @buffer: where to write the data for the user to read
1590 * @count: the size of the user's buffer
1591 * @ppos: file position offset
1592 **/
1593static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1594 size_t count, loff_t *ppos)
1595{
1596 struct i40e_pf *pf = filp->private_data;
1597 int bytes_not_copied;
1598 int buf_size = 256;
1599 char *buf;
1600 int len;
1601
1602 /* don't allow partal reads */
1603 if (*ppos != 0)
1604 return 0;
1605 if (count < buf_size)
1606 return -ENOSPC;
1607
1608 buf = kzalloc(buf_size, GFP_KERNEL);
1609 if (!buf)
1610 return -ENOSPC;
1611
1612 len = snprintf(buf, buf_size, "%s: %s\n",
1613 pf->vsi[pf->lan_vsi]->netdev->name,
1614 i40e_dbg_netdev_ops_buf);
1615
1616 bytes_not_copied = copy_to_user(buffer, buf, len);
1617 kfree(buf);
1618
1619 if (bytes_not_copied)
1620 return -EFAULT;
1621
1622 *ppos = len;
1623 return len;
1624}
1625
1626/**
1627 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1628 * @filp: the opened file
1629 * @buffer: where to find the user's data
1630 * @count: the length of the user's data
1631 * @ppos: file position offset
1632 **/
1633static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1634 const char __user *buffer,
1635 size_t count, loff_t *ppos)
1636{
1637 struct i40e_pf *pf = filp->private_data;
1638 int bytes_not_copied;
1639 struct i40e_vsi *vsi;
1640 char *buf_tmp;
1641 int vsi_seid;
1642 int i, cnt;
1643
1644 /* don't allow partial writes */
1645 if (*ppos != 0)
1646 return 0;
1647 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1648 return -ENOSPC;
1649
1650 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1651 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1652 buffer, count);
1653 if (bytes_not_copied)
1654 return -EFAULT;
1655 i40e_dbg_netdev_ops_buf[count] = '\0';
1656
1657 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1658 if (buf_tmp) {
1659 *buf_tmp = '\0';
1660 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1661 }
1662
1663 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1664 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1665 if (cnt != 1) {
1666 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1667 goto netdev_ops_write_done;
1668 }
1669 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1670 if (!vsi) {
1671 dev_info(&pf->pdev->dev,
1672 "tx_timeout: VSI %d not found\n", vsi_seid);
1673 } else if (!vsi->netdev) {
1674 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1675 vsi_seid);
1676 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
1677 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1678 vsi_seid);
1679 } else if (rtnl_trylock()) {
1680 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1681 rtnl_unlock();
1682 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1683 } else {
1684 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1685 }
1686 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1687 int mtu;
1688
1689 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1690 &vsi_seid, &mtu);
1691 if (cnt != 2) {
1692 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1693 goto netdev_ops_write_done;
1694 }
1695 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1696 if (!vsi) {
1697 dev_info(&pf->pdev->dev,
1698 "change_mtu: VSI %d not found\n", vsi_seid);
1699 } else if (!vsi->netdev) {
1700 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1701 vsi_seid);
1702 } else if (rtnl_trylock()) {
1703 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1704 mtu);
1705 rtnl_unlock();
1706 dev_info(&pf->pdev->dev, "change_mtu called\n");
1707 } else {
1708 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1709 }
1710
1711 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1712 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1713 if (cnt != 1) {
1714 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1715 goto netdev_ops_write_done;
1716 }
1717 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1718 if (!vsi) {
1719 dev_info(&pf->pdev->dev,
1720 "set_rx_mode: VSI %d not found\n", vsi_seid);
1721 } else if (!vsi->netdev) {
1722 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1723 vsi_seid);
1724 } else if (rtnl_trylock()) {
1725 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1726 rtnl_unlock();
1727 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1728 } else {
1729 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1730 }
1731
1732 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1733 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1734 if (cnt != 1) {
1735 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1736 goto netdev_ops_write_done;
1737 }
1738 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1739 if (!vsi) {
1740 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1741 vsi_seid);
1742 } else if (!vsi->netdev) {
1743 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1744 vsi_seid);
1745 } else {
1746 for (i = 0; i < vsi->num_q_vectors; i++)
1747 napi_schedule(&vsi->q_vectors[i]->napi);
1748 dev_info(&pf->pdev->dev, "napi called\n");
1749 }
1750 } else {
1751 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1752 i40e_dbg_netdev_ops_buf);
1753 dev_info(&pf->pdev->dev, "available commands\n");
1754 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1755 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1756 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1757 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1758 }
1759netdev_ops_write_done:
1760 return count;
1761}
1762
1763static const struct file_operations i40e_dbg_netdev_ops_fops = {
1764 .owner = THIS_MODULE,
1765 .open = simple_open,
1766 .read = i40e_dbg_netdev_ops_read,
1767 .write = i40e_dbg_netdev_ops_write,
1768};
1769
1770/**
1771 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1772 * @pf: the PF that is starting up
1773 **/
1774void i40e_dbg_pf_init(struct i40e_pf *pf)
1775{
1776 struct dentry *pfile;
1777 const char *name = pci_name(pf->pdev);
1778 const struct device *dev = &pf->pdev->dev;
1779
1780 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1781 if (!pf->i40e_dbg_pf)
1782 return;
1783
1784 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1785 &i40e_dbg_command_fops);
1786 if (!pfile)
1787 goto create_failed;
1788
1789 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1790 &i40e_dbg_netdev_ops_fops);
1791 if (!pfile)
1792 goto create_failed;
1793
1794 return;
1795
1796create_failed:
1797 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1798 debugfs_remove_recursive(pf->i40e_dbg_pf);
1799}
1800
1801/**
1802 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1803 * @pf: the PF that is stopping
1804 **/
1805void i40e_dbg_pf_exit(struct i40e_pf *pf)
1806{
1807 debugfs_remove_recursive(pf->i40e_dbg_pf);
1808 pf->i40e_dbg_pf = NULL;
1809}
1810
1811/**
1812 * i40e_dbg_init - start up debugfs for the driver
1813 **/
1814void i40e_dbg_init(void)
1815{
1816 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1817 if (!i40e_dbg_root)
1818 pr_info("init of debugfs failed\n");
1819}
1820
1821/**
1822 * i40e_dbg_exit - clean out the driver's debugfs entries
1823 **/
1824void i40e_dbg_exit(void)
1825{
1826 debugfs_remove_recursive(i40e_dbg_root);
1827 i40e_dbg_root = NULL;
1828}
1829
1830#endif /* CONFIG_DEBUG_FS */