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1// SPDX-License-Identifier: GPL-2.0
2/*******************************************************************************
3 *
4 * Intel Ethernet Controller XL710 Family Linux Driver
5 * Copyright(c) 2013 - 2016 Intel Corporation.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 *
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *
26 ******************************************************************************/
27
28#ifdef CONFIG_DEBUG_FS
29
30#include <linux/fs.h>
31#include <linux/debugfs.h>
32
33#include "i40e.h"
34
35static struct dentry *i40e_dbg_root;
36
37/**
38 * i40e_dbg_find_vsi - searches for the vsi with the given seid
39 * @pf - the PF structure to search for the vsi
40 * @seid - seid of the vsi it is searching for
41 **/
42static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
43{
44 int i;
45
46 if (seid < 0)
47 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
48 else
49 for (i = 0; i < pf->num_alloc_vsi; i++)
50 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
51 return pf->vsi[i];
52
53 return NULL;
54}
55
56/**
57 * i40e_dbg_find_veb - searches for the veb with the given seid
58 * @pf - the PF structure to search for the veb
59 * @seid - seid of the veb it is searching for
60 **/
61static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
62{
63 int i;
64
65 for (i = 0; i < I40E_MAX_VEB; i++)
66 if (pf->veb[i] && pf->veb[i]->seid == seid)
67 return pf->veb[i];
68 return NULL;
69}
70
71/**************************************************************
72 * command
73 * The command entry in debugfs is for giving the driver commands
74 * to be executed - these may be for changing the internal switch
75 * setup, adding or removing filters, or other things. Many of
76 * these will be useful for some forms of unit testing.
77 **************************************************************/
78static char i40e_dbg_command_buf[256] = "";
79
80/**
81 * i40e_dbg_command_read - read for command datum
82 * @filp: the opened file
83 * @buffer: where to write the data for the user to read
84 * @count: the size of the user's buffer
85 * @ppos: file position offset
86 **/
87static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
88 size_t count, loff_t *ppos)
89{
90 struct i40e_pf *pf = filp->private_data;
91 int bytes_not_copied;
92 int buf_size = 256;
93 char *buf;
94 int len;
95
96 /* don't allow partial reads */
97 if (*ppos != 0)
98 return 0;
99 if (count < buf_size)
100 return -ENOSPC;
101
102 buf = kzalloc(buf_size, GFP_KERNEL);
103 if (!buf)
104 return -ENOSPC;
105
106 len = snprintf(buf, buf_size, "%s: %s\n",
107 pf->vsi[pf->lan_vsi]->netdev->name,
108 i40e_dbg_command_buf);
109
110 bytes_not_copied = copy_to_user(buffer, buf, len);
111 kfree(buf);
112
113 if (bytes_not_copied)
114 return -EFAULT;
115
116 *ppos = len;
117 return len;
118}
119
120static char *i40e_filter_state_string[] = {
121 "INVALID",
122 "NEW",
123 "ACTIVE",
124 "FAILED",
125 "REMOVE",
126};
127
128/**
129 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
130 * @pf: the i40e_pf created in command write
131 * @seid: the seid the user put in
132 **/
133static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
134{
135 struct rtnl_link_stats64 *nstat;
136 struct i40e_mac_filter *f;
137 struct i40e_vsi *vsi;
138 int i, bkt;
139
140 vsi = i40e_dbg_find_vsi(pf, seid);
141 if (!vsi) {
142 dev_info(&pf->pdev->dev,
143 "dump %d: seid not found\n", seid);
144 return;
145 }
146 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
147 if (vsi->netdev) {
148 struct net_device *nd = vsi->netdev;
149
150 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
151 nd->name, nd->state, nd->flags);
152 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
153 (unsigned long int)nd->features);
154 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
155 (unsigned long int)nd->hw_features);
156 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
157 (unsigned long int)nd->vlan_features);
158 }
159 dev_info(&pf->pdev->dev, " active_vlans is %s\n",
160 vsi->active_vlans ? "<valid>" : "<null>");
161 dev_info(&pf->pdev->dev,
162 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
163 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
164 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
165 dev_info(&pf->pdev->dev,
166 " state[%d] = %08lx\n",
167 i, vsi->state[i]);
168 if (vsi == pf->vsi[pf->lan_vsi])
169 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
170 pf->hw.mac.addr,
171 pf->hw.mac.san_addr,
172 pf->hw.mac.port_addr);
173 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
174 dev_info(&pf->pdev->dev,
175 " mac_filter_hash: %pM vid=%d, state %s\n",
176 f->macaddr, f->vlan,
177 i40e_filter_state_string[f->state]);
178 }
179 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
180 vsi->active_filters, vsi->promisc_threshold,
181 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
182 "ON" : "OFF"));
183 nstat = i40e_get_vsi_stats_struct(vsi);
184 dev_info(&pf->pdev->dev,
185 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
186 (unsigned long int)nstat->rx_packets,
187 (unsigned long int)nstat->rx_bytes,
188 (unsigned long int)nstat->rx_errors,
189 (unsigned long int)nstat->rx_dropped);
190 dev_info(&pf->pdev->dev,
191 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
192 (unsigned long int)nstat->tx_packets,
193 (unsigned long int)nstat->tx_bytes,
194 (unsigned long int)nstat->tx_errors,
195 (unsigned long int)nstat->tx_dropped);
196 dev_info(&pf->pdev->dev,
197 " net_stats: multicast = %lu, collisions = %lu\n",
198 (unsigned long int)nstat->multicast,
199 (unsigned long int)nstat->collisions);
200 dev_info(&pf->pdev->dev,
201 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
202 (unsigned long int)nstat->rx_length_errors,
203 (unsigned long int)nstat->rx_over_errors,
204 (unsigned long int)nstat->rx_crc_errors);
205 dev_info(&pf->pdev->dev,
206 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
207 (unsigned long int)nstat->rx_frame_errors,
208 (unsigned long int)nstat->rx_fifo_errors,
209 (unsigned long int)nstat->rx_missed_errors);
210 dev_info(&pf->pdev->dev,
211 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
212 (unsigned long int)nstat->tx_aborted_errors,
213 (unsigned long int)nstat->tx_carrier_errors,
214 (unsigned long int)nstat->tx_fifo_errors);
215 dev_info(&pf->pdev->dev,
216 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
217 (unsigned long int)nstat->tx_heartbeat_errors,
218 (unsigned long int)nstat->tx_window_errors);
219 dev_info(&pf->pdev->dev,
220 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
221 (unsigned long int)nstat->rx_compressed,
222 (unsigned long int)nstat->tx_compressed);
223 dev_info(&pf->pdev->dev,
224 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
225 (unsigned long int)vsi->net_stats_offsets.rx_packets,
226 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
227 (unsigned long int)vsi->net_stats_offsets.rx_errors,
228 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
229 dev_info(&pf->pdev->dev,
230 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
231 (unsigned long int)vsi->net_stats_offsets.tx_packets,
232 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
233 (unsigned long int)vsi->net_stats_offsets.tx_errors,
234 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
235 dev_info(&pf->pdev->dev,
236 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
237 (unsigned long int)vsi->net_stats_offsets.multicast,
238 (unsigned long int)vsi->net_stats_offsets.collisions);
239 dev_info(&pf->pdev->dev,
240 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
241 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
242 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
243 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
244 dev_info(&pf->pdev->dev,
245 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
246 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
247 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
248 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
249 dev_info(&pf->pdev->dev,
250 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
251 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
252 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
253 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
254 dev_info(&pf->pdev->dev,
255 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
256 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
257 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
258 dev_info(&pf->pdev->dev,
259 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
260 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
261 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
262 dev_info(&pf->pdev->dev,
263 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
264 vsi->tx_restart, vsi->tx_busy,
265 vsi->rx_buf_failed, vsi->rx_page_failed);
266 rcu_read_lock();
267 for (i = 0; i < vsi->num_queue_pairs; i++) {
268 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
269
270 if (!rx_ring)
271 continue;
272
273 dev_info(&pf->pdev->dev,
274 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
275 i, *rx_ring->state,
276 rx_ring->queue_index,
277 rx_ring->reg_idx);
278 dev_info(&pf->pdev->dev,
279 " rx_rings[%i]: rx_buf_len = %d\n",
280 i, rx_ring->rx_buf_len);
281 dev_info(&pf->pdev->dev,
282 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
283 i,
284 rx_ring->next_to_use,
285 rx_ring->next_to_clean,
286 rx_ring->ring_active);
287 dev_info(&pf->pdev->dev,
288 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
289 i, rx_ring->stats.packets,
290 rx_ring->stats.bytes,
291 rx_ring->rx_stats.non_eop_descs);
292 dev_info(&pf->pdev->dev,
293 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
294 i,
295 rx_ring->rx_stats.alloc_page_failed,
296 rx_ring->rx_stats.alloc_buff_failed);
297 dev_info(&pf->pdev->dev,
298 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
299 i,
300 rx_ring->rx_stats.realloc_count,
301 rx_ring->rx_stats.page_reuse_count);
302 dev_info(&pf->pdev->dev,
303 " rx_rings[%i]: size = %i\n",
304 i, rx_ring->size);
305 dev_info(&pf->pdev->dev,
306 " rx_rings[%i]: itr_setting = %d (%s)\n",
307 i, rx_ring->itr_setting,
308 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
309 }
310 for (i = 0; i < vsi->num_queue_pairs; i++) {
311 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
312
313 if (!tx_ring)
314 continue;
315
316 dev_info(&pf->pdev->dev,
317 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
318 i, *tx_ring->state,
319 tx_ring->queue_index,
320 tx_ring->reg_idx);
321 dev_info(&pf->pdev->dev,
322 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
323 i,
324 tx_ring->next_to_use,
325 tx_ring->next_to_clean,
326 tx_ring->ring_active);
327 dev_info(&pf->pdev->dev,
328 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
329 i, tx_ring->stats.packets,
330 tx_ring->stats.bytes,
331 tx_ring->tx_stats.restart_queue);
332 dev_info(&pf->pdev->dev,
333 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
334 i,
335 tx_ring->tx_stats.tx_busy,
336 tx_ring->tx_stats.tx_done_old);
337 dev_info(&pf->pdev->dev,
338 " tx_rings[%i]: size = %i\n",
339 i, tx_ring->size);
340 dev_info(&pf->pdev->dev,
341 " tx_rings[%i]: DCB tc = %d\n",
342 i, tx_ring->dcb_tc);
343 dev_info(&pf->pdev->dev,
344 " tx_rings[%i]: itr_setting = %d (%s)\n",
345 i, tx_ring->itr_setting,
346 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
347 }
348 rcu_read_unlock();
349 dev_info(&pf->pdev->dev,
350 " work_limit = %d\n",
351 vsi->work_limit);
352 dev_info(&pf->pdev->dev,
353 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
354 vsi->max_frame, vsi->rx_buf_len, 0);
355 dev_info(&pf->pdev->dev,
356 " num_q_vectors = %i, base_vector = %i\n",
357 vsi->num_q_vectors, vsi->base_vector);
358 dev_info(&pf->pdev->dev,
359 " seid = %d, id = %d, uplink_seid = %d\n",
360 vsi->seid, vsi->id, vsi->uplink_seid);
361 dev_info(&pf->pdev->dev,
362 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
363 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
364 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
365 if (vsi->type == I40E_VSI_SRIOV)
366 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
367 dev_info(&pf->pdev->dev,
368 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
369 vsi->info.valid_sections, vsi->info.switch_id);
370 dev_info(&pf->pdev->dev,
371 " info: sw_reserved[] = 0x%02x 0x%02x\n",
372 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
373 dev_info(&pf->pdev->dev,
374 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
375 vsi->info.sec_flags, vsi->info.sec_reserved);
376 dev_info(&pf->pdev->dev,
377 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
378 vsi->info.pvid, vsi->info.fcoe_pvid,
379 vsi->info.port_vlan_flags);
380 dev_info(&pf->pdev->dev,
381 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
382 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
383 vsi->info.pvlan_reserved[2]);
384 dev_info(&pf->pdev->dev,
385 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
386 vsi->info.ingress_table, vsi->info.egress_table);
387 dev_info(&pf->pdev->dev,
388 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
389 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
390 vsi->info.cas_pv_reserved);
391 dev_info(&pf->pdev->dev,
392 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
393 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
394 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
395 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
396 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
397 dev_info(&pf->pdev->dev,
398 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
399 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
400 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
401 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
402 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
403 dev_info(&pf->pdev->dev,
404 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
405 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
406 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
407 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
408 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
409 dev_info(&pf->pdev->dev,
410 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
411 vsi->info.queueing_opt_flags,
412 vsi->info.queueing_opt_reserved[0],
413 vsi->info.queueing_opt_reserved[1],
414 vsi->info.queueing_opt_reserved[2]);
415 dev_info(&pf->pdev->dev,
416 " info: up_enable_bits = 0x%02x\n",
417 vsi->info.up_enable_bits);
418 dev_info(&pf->pdev->dev,
419 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
420 vsi->info.sched_reserved, vsi->info.outer_up_table);
421 dev_info(&pf->pdev->dev,
422 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
423 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
424 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
425 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
426 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
427 dev_info(&pf->pdev->dev,
428 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
429 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
430 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
431 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
432 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
433 dev_info(&pf->pdev->dev,
434 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
435 vsi->info.stat_counter_idx, vsi->info.sched_id);
436 dev_info(&pf->pdev->dev,
437 " 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",
438 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
439 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
440 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
441 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
442 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
443 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
444 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
445 dev_info(&pf->pdev->dev,
446 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
447 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
448 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
449 dev_info(&pf->pdev->dev,
450 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
451 i, vsi->tc_config.tc_info[i].qoffset,
452 vsi->tc_config.tc_info[i].qcount,
453 vsi->tc_config.tc_info[i].netdev_tc);
454 }
455 dev_info(&pf->pdev->dev,
456 " bw: bw_limit = %d, bw_max_quanta = %d\n",
457 vsi->bw_limit, vsi->bw_max_quanta);
458 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
459 dev_info(&pf->pdev->dev,
460 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
461 i, vsi->bw_ets_share_credits[i],
462 vsi->bw_ets_limit_credits[i],
463 vsi->bw_ets_max_quanta[i]);
464 }
465}
466
467/**
468 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
469 * @pf: the i40e_pf created in command write
470 **/
471static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
472{
473 struct i40e_adminq_ring *ring;
474 struct i40e_hw *hw = &pf->hw;
475 char hdr[32];
476 int i;
477
478 snprintf(hdr, sizeof(hdr), "%s %s: ",
479 dev_driver_string(&pf->pdev->dev),
480 dev_name(&pf->pdev->dev));
481
482 /* first the send (command) ring, then the receive (event) ring */
483 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
484 ring = &(hw->aq.asq);
485 for (i = 0; i < ring->count; i++) {
486 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
487
488 dev_info(&pf->pdev->dev,
489 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
490 i, d->flags, d->opcode, d->datalen, d->retval,
491 d->cookie_high, d->cookie_low);
492 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
493 16, 1, d->params.raw, 16, 0);
494 }
495
496 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
497 ring = &(hw->aq.arq);
498 for (i = 0; i < ring->count; i++) {
499 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
500
501 dev_info(&pf->pdev->dev,
502 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
503 i, d->flags, d->opcode, d->datalen, d->retval,
504 d->cookie_high, d->cookie_low);
505 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
506 16, 1, d->params.raw, 16, 0);
507 }
508}
509
510/**
511 * i40e_dbg_dump_desc - handles dump desc write into command datum
512 * @cnt: number of arguments that the user supplied
513 * @vsi_seid: vsi id entered by user
514 * @ring_id: ring id entered by user
515 * @desc_n: descriptor number entered by user
516 * @pf: the i40e_pf created in command write
517 * @is_rx_ring: true if rx, false if tx
518 **/
519static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
520 struct i40e_pf *pf, bool is_rx_ring)
521{
522 struct i40e_tx_desc *txd;
523 union i40e_rx_desc *rxd;
524 struct i40e_ring *ring;
525 struct i40e_vsi *vsi;
526 int i;
527
528 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
529 if (!vsi) {
530 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
531 return;
532 }
533 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
534 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
535 return;
536 }
537 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
538 dev_info(&pf->pdev->dev,
539 "descriptor rings have not been allocated for vsi %d\n",
540 vsi_seid);
541 return;
542 }
543
544 ring = kmemdup(is_rx_ring
545 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
546 sizeof(*ring), GFP_KERNEL);
547 if (!ring)
548 return;
549
550 if (cnt == 2) {
551 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
552 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
553 for (i = 0; i < ring->count; i++) {
554 if (!is_rx_ring) {
555 txd = I40E_TX_DESC(ring, i);
556 dev_info(&pf->pdev->dev,
557 " d[%03x] = 0x%016llx 0x%016llx\n",
558 i, txd->buffer_addr,
559 txd->cmd_type_offset_bsz);
560 } else {
561 rxd = I40E_RX_DESC(ring, i);
562 dev_info(&pf->pdev->dev,
563 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
564 i, rxd->read.pkt_addr,
565 rxd->read.hdr_addr,
566 rxd->read.rsvd1, rxd->read.rsvd2);
567 }
568 }
569 } else if (cnt == 3) {
570 if (desc_n >= ring->count || desc_n < 0) {
571 dev_info(&pf->pdev->dev,
572 "descriptor %d not found\n", desc_n);
573 goto out;
574 }
575 if (!is_rx_ring) {
576 txd = I40E_TX_DESC(ring, desc_n);
577 dev_info(&pf->pdev->dev,
578 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
579 vsi_seid, ring_id, desc_n,
580 txd->buffer_addr, txd->cmd_type_offset_bsz);
581 } else {
582 rxd = I40E_RX_DESC(ring, desc_n);
583 dev_info(&pf->pdev->dev,
584 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
585 vsi_seid, ring_id, desc_n,
586 rxd->read.pkt_addr, rxd->read.hdr_addr,
587 rxd->read.rsvd1, rxd->read.rsvd2);
588 }
589 } else {
590 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
591 }
592
593out:
594 kfree(ring);
595}
596
597/**
598 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
599 * @pf: the i40e_pf created in command write
600 **/
601static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
602{
603 int i;
604
605 for (i = 0; i < pf->num_alloc_vsi; i++)
606 if (pf->vsi[i])
607 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
608 i, pf->vsi[i]->seid);
609}
610
611/**
612 * i40e_dbg_dump_stats - handles dump stats write into command datum
613 * @pf: the i40e_pf created in command write
614 * @estats: the eth stats structure to be dumped
615 **/
616static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
617 struct i40e_eth_stats *estats)
618{
619 dev_info(&pf->pdev->dev, " ethstats:\n");
620 dev_info(&pf->pdev->dev,
621 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
622 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
623 dev_info(&pf->pdev->dev,
624 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
625 estats->rx_broadcast, estats->rx_discards);
626 dev_info(&pf->pdev->dev,
627 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
628 estats->rx_unknown_protocol, estats->tx_bytes);
629 dev_info(&pf->pdev->dev,
630 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
631 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
632 dev_info(&pf->pdev->dev,
633 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
634 estats->tx_discards, estats->tx_errors);
635}
636
637/**
638 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
639 * @pf: the i40e_pf created in command write
640 * @seid: the seid the user put in
641 **/
642static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
643{
644 struct i40e_veb *veb;
645
646 veb = i40e_dbg_find_veb(pf, seid);
647 if (!veb) {
648 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
649 return;
650 }
651 dev_info(&pf->pdev->dev,
652 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
653 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
654 veb->uplink_seid,
655 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
656 i40e_dbg_dump_eth_stats(pf, &veb->stats);
657}
658
659/**
660 * i40e_dbg_dump_veb_all - dumps all known veb's stats
661 * @pf: the i40e_pf created in command write
662 **/
663static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
664{
665 struct i40e_veb *veb;
666 int i;
667
668 for (i = 0; i < I40E_MAX_VEB; i++) {
669 veb = pf->veb[i];
670 if (veb)
671 i40e_dbg_dump_veb_seid(pf, veb->seid);
672 }
673}
674
675/**
676 * i40e_dbg_dump_vf - dump VF info
677 * @pf: the i40e_pf created in command write
678 * @vf_id: the vf_id from the user
679 **/
680static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
681{
682 struct i40e_vf *vf;
683 struct i40e_vsi *vsi;
684
685 if (!pf->num_alloc_vfs) {
686 dev_info(&pf->pdev->dev, "no VFs allocated\n");
687 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
688 vf = &pf->vf[vf_id];
689 vsi = pf->vsi[vf->lan_vsi_idx];
690 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
691 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
692 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
693 vf->num_mdd_events,
694 vf->num_invalid_msgs,
695 vf->num_valid_msgs);
696 } else {
697 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
698 }
699}
700
701/**
702 * i40e_dbg_dump_vf_all - dump VF info for all VFs
703 * @pf: the i40e_pf created in command write
704 **/
705static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
706{
707 int i;
708
709 if (!pf->num_alloc_vfs)
710 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
711 else
712 for (i = 0; i < pf->num_alloc_vfs; i++)
713 i40e_dbg_dump_vf(pf, i);
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 vf_id;
735 int cnt;
736
737 /* don't allow partial writes */
738 if (*ppos != 0)
739 return 0;
740
741 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
742 if (!cmd_buf)
743 return count;
744 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
745 if (bytes_not_copied) {
746 kfree(cmd_buf);
747 return -EFAULT;
748 }
749 cmd_buf[count] = '\0';
750
751 cmd_buf_tmp = strchr(cmd_buf, '\n');
752 if (cmd_buf_tmp) {
753 *cmd_buf_tmp = '\0';
754 count = cmd_buf_tmp - cmd_buf + 1;
755 }
756
757 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
758 vsi_seid = -1;
759 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
760 if (cnt == 0) {
761 /* default to PF VSI */
762 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
763 } else if (vsi_seid < 0) {
764 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
765 vsi_seid);
766 goto command_write_done;
767 }
768
769 /* By default we are in VEPA mode, if this is the first VF/VMDq
770 * VSI to be added switch to VEB mode.
771 */
772 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
773 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
774 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
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], "vf", 2) == 0) {
937 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
938 if (cnt > 0)
939 i40e_dbg_dump_vf(pf, vf_id);
940 else
941 i40e_dbg_dump_vf_all(pf);
942 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
943 int ring_id, desc_n;
944 if (strncmp(&cmd_buf[10], "rx", 2) == 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, true);
949 } else if (strncmp(&cmd_buf[10], "tx", 2)
950 == 0) {
951 cnt = sscanf(&cmd_buf[12], "%i %i %i",
952 &vsi_seid, &ring_id, &desc_n);
953 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
954 desc_n, pf, false);
955 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
956 i40e_dbg_dump_aq_desc(pf);
957 } else {
958 dev_info(&pf->pdev->dev,
959 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
960 dev_info(&pf->pdev->dev,
961 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
962 dev_info(&pf->pdev->dev, "dump desc aq\n");
963 }
964 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
965 dev_info(&pf->pdev->dev,
966 "core reset count: %d\n", pf->corer_count);
967 dev_info(&pf->pdev->dev,
968 "global reset count: %d\n", pf->globr_count);
969 dev_info(&pf->pdev->dev,
970 "emp reset count: %d\n", pf->empr_count);
971 dev_info(&pf->pdev->dev,
972 "pf reset count: %d\n", pf->pfr_count);
973 dev_info(&pf->pdev->dev,
974 "pf tx sluggish count: %d\n",
975 pf->tx_sluggish_count);
976 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
977 struct i40e_aqc_query_port_ets_config_resp *bw_data;
978 struct i40e_dcbx_config *cfg =
979 &pf->hw.local_dcbx_config;
980 struct i40e_dcbx_config *r_cfg =
981 &pf->hw.remote_dcbx_config;
982 int i, ret;
983 u16 switch_id;
984
985 bw_data = kzalloc(sizeof(
986 struct i40e_aqc_query_port_ets_config_resp),
987 GFP_KERNEL);
988 if (!bw_data) {
989 ret = -ENOMEM;
990 goto command_write_done;
991 }
992
993 vsi = pf->vsi[pf->lan_vsi];
994 switch_id =
995 le16_to_cpu(vsi->info.switch_id) &
996 I40E_AQ_VSI_SW_ID_MASK;
997
998 ret = i40e_aq_query_port_ets_config(&pf->hw,
999 switch_id,
1000 bw_data, NULL);
1001 if (ret) {
1002 dev_info(&pf->pdev->dev,
1003 "Query Port ETS Config AQ command failed =0x%x\n",
1004 pf->hw.aq.asq_last_status);
1005 kfree(bw_data);
1006 bw_data = NULL;
1007 goto command_write_done;
1008 }
1009 dev_info(&pf->pdev->dev,
1010 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1011 bw_data->tc_valid_bits,
1012 bw_data->tc_strict_priority_bits,
1013 le16_to_cpu(bw_data->tc_bw_max[0]),
1014 le16_to_cpu(bw_data->tc_bw_max[1]));
1015 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1016 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1017 bw_data->tc_bw_share_credits[i],
1018 le16_to_cpu(bw_data->tc_bw_limits[i]));
1019 }
1020
1021 kfree(bw_data);
1022 bw_data = NULL;
1023
1024 dev_info(&pf->pdev->dev,
1025 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1026 dev_info(&pf->pdev->dev,
1027 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1028 cfg->etscfg.willing, cfg->etscfg.cbs,
1029 cfg->etscfg.maxtcs);
1030 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1031 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1032 i, cfg->etscfg.prioritytable[i],
1033 cfg->etscfg.tcbwtable[i],
1034 cfg->etscfg.tsatable[i]);
1035 }
1036 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1037 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1038 i, cfg->etsrec.prioritytable[i],
1039 cfg->etsrec.tcbwtable[i],
1040 cfg->etsrec.tsatable[i]);
1041 }
1042 dev_info(&pf->pdev->dev,
1043 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1044 cfg->pfc.willing, cfg->pfc.mbc,
1045 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1046 dev_info(&pf->pdev->dev,
1047 "port app_table: num_apps=%d\n", cfg->numapps);
1048 for (i = 0; i < cfg->numapps; i++) {
1049 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1050 i, cfg->app[i].priority,
1051 cfg->app[i].selector,
1052 cfg->app[i].protocolid);
1053 }
1054 /* Peer TLV DCBX data */
1055 dev_info(&pf->pdev->dev,
1056 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1057 r_cfg->etscfg.willing,
1058 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1059 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1060 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1061 i, r_cfg->etscfg.prioritytable[i],
1062 r_cfg->etscfg.tcbwtable[i],
1063 r_cfg->etscfg.tsatable[i]);
1064 }
1065 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1066 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1067 i, r_cfg->etsrec.prioritytable[i],
1068 r_cfg->etsrec.tcbwtable[i],
1069 r_cfg->etsrec.tsatable[i]);
1070 }
1071 dev_info(&pf->pdev->dev,
1072 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1073 r_cfg->pfc.willing,
1074 r_cfg->pfc.mbc,
1075 r_cfg->pfc.pfccap,
1076 r_cfg->pfc.pfcenable);
1077 dev_info(&pf->pdev->dev,
1078 "remote port app_table: num_apps=%d\n",
1079 r_cfg->numapps);
1080 for (i = 0; i < r_cfg->numapps; i++) {
1081 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1082 i, r_cfg->app[i].priority,
1083 r_cfg->app[i].selector,
1084 r_cfg->app[i].protocolid);
1085 }
1086 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1087 int cluster_id, table_id;
1088 int index, ret;
1089 u16 buff_len = 4096;
1090 u32 next_index;
1091 u8 next_table;
1092 u8 *buff;
1093 u16 rlen;
1094
1095 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1096 &cluster_id, &table_id, &index);
1097 if (cnt != 3) {
1098 dev_info(&pf->pdev->dev,
1099 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1100 goto command_write_done;
1101 }
1102
1103 dev_info(&pf->pdev->dev,
1104 "AQ debug dump fwdata params %x %x %x %x\n",
1105 cluster_id, table_id, index, buff_len);
1106 buff = kzalloc(buff_len, GFP_KERNEL);
1107 if (!buff)
1108 goto command_write_done;
1109
1110 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1111 index, buff_len, buff, &rlen,
1112 &next_table, &next_index,
1113 NULL);
1114 if (ret) {
1115 dev_info(&pf->pdev->dev,
1116 "debug dump fwdata AQ Failed %d 0x%x\n",
1117 ret, pf->hw.aq.asq_last_status);
1118 kfree(buff);
1119 buff = NULL;
1120 goto command_write_done;
1121 }
1122 dev_info(&pf->pdev->dev,
1123 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1124 rlen, next_table, next_index);
1125 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1126 DUMP_PREFIX_OFFSET, 16, 1,
1127 buff, rlen, true);
1128 kfree(buff);
1129 buff = NULL;
1130 } else {
1131 dev_info(&pf->pdev->dev,
1132 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1133 dev_info(&pf->pdev->dev, "dump switch\n");
1134 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1135 dev_info(&pf->pdev->dev, "dump reset stats\n");
1136 dev_info(&pf->pdev->dev, "dump port\n");
1137 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1138 dev_info(&pf->pdev->dev,
1139 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1140 }
1141 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1142 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1143 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1144
1145 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1146 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1147 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1148
1149 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1150 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1151 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1152
1153 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1154 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1155 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1156
1157 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1158 u32 address;
1159 u32 value;
1160
1161 cnt = sscanf(&cmd_buf[4], "%i", &address);
1162 if (cnt != 1) {
1163 dev_info(&pf->pdev->dev, "read <reg>\n");
1164 goto command_write_done;
1165 }
1166
1167 /* check the range on address */
1168 if (address > (pf->ioremap_len - sizeof(u32))) {
1169 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1170 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1171 goto command_write_done;
1172 }
1173
1174 value = rd32(&pf->hw, address);
1175 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1176 address, value);
1177
1178 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1179 u32 address, value;
1180
1181 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1182 if (cnt != 2) {
1183 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1184 goto command_write_done;
1185 }
1186
1187 /* check the range on address */
1188 if (address > (pf->ioremap_len - sizeof(u32))) {
1189 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1190 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1191 goto command_write_done;
1192 }
1193 wr32(&pf->hw, address, value);
1194 value = rd32(&pf->hw, address);
1195 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1196 address, value);
1197 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1198 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1199 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1200 if (cnt == 0) {
1201 int i;
1202
1203 for (i = 0; i < pf->num_alloc_vsi; i++)
1204 i40e_vsi_reset_stats(pf->vsi[i]);
1205 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1206 } else if (cnt == 1) {
1207 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1208 if (!vsi) {
1209 dev_info(&pf->pdev->dev,
1210 "clear_stats vsi: bad vsi %d\n",
1211 vsi_seid);
1212 goto command_write_done;
1213 }
1214 i40e_vsi_reset_stats(vsi);
1215 dev_info(&pf->pdev->dev,
1216 "vsi clear stats called for vsi %d\n",
1217 vsi_seid);
1218 } else {
1219 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1220 }
1221 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1222 if (pf->hw.partition_id == 1) {
1223 i40e_pf_reset_stats(pf);
1224 dev_info(&pf->pdev->dev, "port stats cleared\n");
1225 } else {
1226 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1227 }
1228 } else {
1229 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1230 }
1231 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1232 struct i40e_aq_desc *desc;
1233 i40e_status ret;
1234
1235 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1236 if (!desc)
1237 goto command_write_done;
1238 cnt = sscanf(&cmd_buf[11],
1239 "%hi %hi %hi %hi %i %i %i %i %i %i",
1240 &desc->flags,
1241 &desc->opcode, &desc->datalen, &desc->retval,
1242 &desc->cookie_high, &desc->cookie_low,
1243 &desc->params.internal.param0,
1244 &desc->params.internal.param1,
1245 &desc->params.internal.param2,
1246 &desc->params.internal.param3);
1247 if (cnt != 10) {
1248 dev_info(&pf->pdev->dev,
1249 "send aq_cmd: bad command string, cnt=%d\n",
1250 cnt);
1251 kfree(desc);
1252 desc = NULL;
1253 goto command_write_done;
1254 }
1255 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1256 if (!ret) {
1257 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1258 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1259 dev_info(&pf->pdev->dev,
1260 "AQ command send failed Opcode %x AQ Error: %d\n",
1261 desc->opcode, pf->hw.aq.asq_last_status);
1262 } else {
1263 dev_info(&pf->pdev->dev,
1264 "AQ command send failed Opcode %x Status: %d\n",
1265 desc->opcode, ret);
1266 }
1267 dev_info(&pf->pdev->dev,
1268 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1269 desc->flags, desc->opcode, desc->datalen, desc->retval,
1270 desc->cookie_high, desc->cookie_low,
1271 desc->params.internal.param0,
1272 desc->params.internal.param1,
1273 desc->params.internal.param2,
1274 desc->params.internal.param3);
1275 kfree(desc);
1276 desc = NULL;
1277 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1278 struct i40e_aq_desc *desc;
1279 i40e_status ret;
1280 u16 buffer_len;
1281 u8 *buff;
1282
1283 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1284 if (!desc)
1285 goto command_write_done;
1286 cnt = sscanf(&cmd_buf[20],
1287 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1288 &desc->flags,
1289 &desc->opcode, &desc->datalen, &desc->retval,
1290 &desc->cookie_high, &desc->cookie_low,
1291 &desc->params.internal.param0,
1292 &desc->params.internal.param1,
1293 &desc->params.internal.param2,
1294 &desc->params.internal.param3,
1295 &buffer_len);
1296 if (cnt != 11) {
1297 dev_info(&pf->pdev->dev,
1298 "send indirect aq_cmd: bad command string, cnt=%d\n",
1299 cnt);
1300 kfree(desc);
1301 desc = NULL;
1302 goto command_write_done;
1303 }
1304 /* Just stub a buffer big enough in case user messed up */
1305 if (buffer_len == 0)
1306 buffer_len = 1280;
1307
1308 buff = kzalloc(buffer_len, GFP_KERNEL);
1309 if (!buff) {
1310 kfree(desc);
1311 desc = NULL;
1312 goto command_write_done;
1313 }
1314 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1315 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1316 buffer_len, NULL);
1317 if (!ret) {
1318 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1319 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1320 dev_info(&pf->pdev->dev,
1321 "AQ command send failed Opcode %x AQ Error: %d\n",
1322 desc->opcode, pf->hw.aq.asq_last_status);
1323 } else {
1324 dev_info(&pf->pdev->dev,
1325 "AQ command send failed Opcode %x Status: %d\n",
1326 desc->opcode, ret);
1327 }
1328 dev_info(&pf->pdev->dev,
1329 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1330 desc->flags, desc->opcode, desc->datalen, desc->retval,
1331 desc->cookie_high, desc->cookie_low,
1332 desc->params.internal.param0,
1333 desc->params.internal.param1,
1334 desc->params.internal.param2,
1335 desc->params.internal.param3);
1336 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1337 DUMP_PREFIX_OFFSET, 16, 1,
1338 buff, buffer_len, true);
1339 kfree(buff);
1340 buff = NULL;
1341 kfree(desc);
1342 desc = NULL;
1343 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1344 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1345 i40e_get_current_fd_count(pf));
1346 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1347 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1348 int ret;
1349
1350 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1351 if (ret) {
1352 dev_info(&pf->pdev->dev,
1353 "Stop LLDP AQ command failed =0x%x\n",
1354 pf->hw.aq.asq_last_status);
1355 goto command_write_done;
1356 }
1357 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1358 pf->hw.mac.addr,
1359 I40E_ETH_P_LLDP, 0,
1360 pf->vsi[pf->lan_vsi]->seid,
1361 0, true, NULL, NULL);
1362 if (ret) {
1363 dev_info(&pf->pdev->dev,
1364 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1365 __func__, pf->hw.aq.asq_last_status);
1366 goto command_write_done;
1367 }
1368#ifdef CONFIG_I40E_DCB
1369 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1370 DCB_CAP_DCBX_VER_IEEE;
1371#endif /* CONFIG_I40E_DCB */
1372 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1373 int ret;
1374
1375 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1376 pf->hw.mac.addr,
1377 I40E_ETH_P_LLDP, 0,
1378 pf->vsi[pf->lan_vsi]->seid,
1379 0, false, NULL, NULL);
1380 if (ret) {
1381 dev_info(&pf->pdev->dev,
1382 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1383 __func__, pf->hw.aq.asq_last_status);
1384 /* Continue and start FW LLDP anyways */
1385 }
1386
1387 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1388 if (ret) {
1389 dev_info(&pf->pdev->dev,
1390 "Start LLDP AQ command failed =0x%x\n",
1391 pf->hw.aq.asq_last_status);
1392 goto command_write_done;
1393 }
1394#ifdef CONFIG_I40E_DCB
1395 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1396 DCB_CAP_DCBX_VER_IEEE;
1397#endif /* CONFIG_I40E_DCB */
1398 } else if (strncmp(&cmd_buf[5],
1399 "get local", 9) == 0) {
1400 u16 llen, rlen;
1401 int ret;
1402 u8 *buff;
1403
1404 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1405 if (!buff)
1406 goto command_write_done;
1407
1408 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1409 I40E_AQ_LLDP_MIB_LOCAL,
1410 buff, I40E_LLDPDU_SIZE,
1411 &llen, &rlen, NULL);
1412 if (ret) {
1413 dev_info(&pf->pdev->dev,
1414 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1415 pf->hw.aq.asq_last_status);
1416 kfree(buff);
1417 buff = NULL;
1418 goto command_write_done;
1419 }
1420 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1421 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1422 DUMP_PREFIX_OFFSET, 16, 1,
1423 buff, I40E_LLDPDU_SIZE, true);
1424 kfree(buff);
1425 buff = NULL;
1426 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1427 u16 llen, rlen;
1428 int ret;
1429 u8 *buff;
1430
1431 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1432 if (!buff)
1433 goto command_write_done;
1434
1435 ret = i40e_aq_get_lldp_mib(&pf->hw,
1436 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1437 I40E_AQ_LLDP_MIB_REMOTE,
1438 buff, I40E_LLDPDU_SIZE,
1439 &llen, &rlen, NULL);
1440 if (ret) {
1441 dev_info(&pf->pdev->dev,
1442 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1443 pf->hw.aq.asq_last_status);
1444 kfree(buff);
1445 buff = NULL;
1446 goto command_write_done;
1447 }
1448 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1449 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1450 DUMP_PREFIX_OFFSET, 16, 1,
1451 buff, I40E_LLDPDU_SIZE, true);
1452 kfree(buff);
1453 buff = NULL;
1454 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1455 int ret;
1456
1457 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1458 true, NULL);
1459 if (ret) {
1460 dev_info(&pf->pdev->dev,
1461 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1462 pf->hw.aq.asq_last_status);
1463 goto command_write_done;
1464 }
1465 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1466 int ret;
1467
1468 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1469 false, NULL);
1470 if (ret) {
1471 dev_info(&pf->pdev->dev,
1472 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1473 pf->hw.aq.asq_last_status);
1474 goto command_write_done;
1475 }
1476 }
1477 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1478 u16 buffer_len, bytes;
1479 u16 module;
1480 u32 offset;
1481 u16 *buff;
1482 int ret;
1483
1484 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1485 &module, &offset, &buffer_len);
1486 if (cnt == 0) {
1487 module = 0;
1488 offset = 0;
1489 buffer_len = 0;
1490 } else if (cnt == 1) {
1491 offset = 0;
1492 buffer_len = 0;
1493 } else if (cnt == 2) {
1494 buffer_len = 0;
1495 } else if (cnt > 3) {
1496 dev_info(&pf->pdev->dev,
1497 "nvm read: bad command string, cnt=%d\n", cnt);
1498 goto command_write_done;
1499 }
1500
1501 /* set the max length */
1502 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1503
1504 bytes = 2 * buffer_len;
1505
1506 /* read at least 1k bytes, no more than 4kB */
1507 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1508 buff = kzalloc(bytes, GFP_KERNEL);
1509 if (!buff)
1510 goto command_write_done;
1511
1512 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1513 if (ret) {
1514 dev_info(&pf->pdev->dev,
1515 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1516 ret, pf->hw.aq.asq_last_status);
1517 kfree(buff);
1518 goto command_write_done;
1519 }
1520
1521 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1522 bytes, (u8 *)buff, true, NULL);
1523 i40e_release_nvm(&pf->hw);
1524 if (ret) {
1525 dev_info(&pf->pdev->dev,
1526 "Read NVM AQ failed err=%d status=0x%x\n",
1527 ret, pf->hw.aq.asq_last_status);
1528 } else {
1529 dev_info(&pf->pdev->dev,
1530 "Read NVM module=0x%x offset=0x%x words=%d\n",
1531 module, offset, buffer_len);
1532 if (bytes)
1533 print_hex_dump(KERN_INFO, "NVM Dump: ",
1534 DUMP_PREFIX_OFFSET, 16, 2,
1535 buff, bytes, true);
1536 }
1537 kfree(buff);
1538 buff = NULL;
1539 } else {
1540 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1541 dev_info(&pf->pdev->dev, "available commands\n");
1542 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1543 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1544 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1545 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1546 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1547 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1548 dev_info(&pf->pdev->dev, " dump switch\n");
1549 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1550 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1551 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1552 dev_info(&pf->pdev->dev, " dump desc aq\n");
1553 dev_info(&pf->pdev->dev, " dump reset stats\n");
1554 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1555 dev_info(&pf->pdev->dev, " read <reg>\n");
1556 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1557 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1558 dev_info(&pf->pdev->dev, " clear_stats port\n");
1559 dev_info(&pf->pdev->dev, " pfr\n");
1560 dev_info(&pf->pdev->dev, " corer\n");
1561 dev_info(&pf->pdev->dev, " globr\n");
1562 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1563 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1564 dev_info(&pf->pdev->dev, " fd current cnt");
1565 dev_info(&pf->pdev->dev, " lldp start\n");
1566 dev_info(&pf->pdev->dev, " lldp stop\n");
1567 dev_info(&pf->pdev->dev, " lldp get local\n");
1568 dev_info(&pf->pdev->dev, " lldp get remote\n");
1569 dev_info(&pf->pdev->dev, " lldp event on\n");
1570 dev_info(&pf->pdev->dev, " lldp event off\n");
1571 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1572 }
1573
1574command_write_done:
1575 kfree(cmd_buf);
1576 cmd_buf = NULL;
1577 return count;
1578}
1579
1580static const struct file_operations i40e_dbg_command_fops = {
1581 .owner = THIS_MODULE,
1582 .open = simple_open,
1583 .read = i40e_dbg_command_read,
1584 .write = i40e_dbg_command_write,
1585};
1586
1587/**************************************************************
1588 * netdev_ops
1589 * The netdev_ops entry in debugfs is for giving the driver commands
1590 * to be executed from the netdev operations.
1591 **************************************************************/
1592static char i40e_dbg_netdev_ops_buf[256] = "";
1593
1594/**
1595 * i40e_dbg_netdev_ops - read for netdev_ops datum
1596 * @filp: the opened file
1597 * @buffer: where to write the data for the user to read
1598 * @count: the size of the user's buffer
1599 * @ppos: file position offset
1600 **/
1601static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1602 size_t count, loff_t *ppos)
1603{
1604 struct i40e_pf *pf = filp->private_data;
1605 int bytes_not_copied;
1606 int buf_size = 256;
1607 char *buf;
1608 int len;
1609
1610 /* don't allow partal reads */
1611 if (*ppos != 0)
1612 return 0;
1613 if (count < buf_size)
1614 return -ENOSPC;
1615
1616 buf = kzalloc(buf_size, GFP_KERNEL);
1617 if (!buf)
1618 return -ENOSPC;
1619
1620 len = snprintf(buf, buf_size, "%s: %s\n",
1621 pf->vsi[pf->lan_vsi]->netdev->name,
1622 i40e_dbg_netdev_ops_buf);
1623
1624 bytes_not_copied = copy_to_user(buffer, buf, len);
1625 kfree(buf);
1626
1627 if (bytes_not_copied)
1628 return -EFAULT;
1629
1630 *ppos = len;
1631 return len;
1632}
1633
1634/**
1635 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1636 * @filp: the opened file
1637 * @buffer: where to find the user's data
1638 * @count: the length of the user's data
1639 * @ppos: file position offset
1640 **/
1641static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1642 const char __user *buffer,
1643 size_t count, loff_t *ppos)
1644{
1645 struct i40e_pf *pf = filp->private_data;
1646 int bytes_not_copied;
1647 struct i40e_vsi *vsi;
1648 char *buf_tmp;
1649 int vsi_seid;
1650 int i, cnt;
1651
1652 /* don't allow partial writes */
1653 if (*ppos != 0)
1654 return 0;
1655 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1656 return -ENOSPC;
1657
1658 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1659 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1660 buffer, count);
1661 if (bytes_not_copied)
1662 return -EFAULT;
1663 i40e_dbg_netdev_ops_buf[count] = '\0';
1664
1665 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1666 if (buf_tmp) {
1667 *buf_tmp = '\0';
1668 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1669 }
1670
1671 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1672 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1673 if (cnt != 1) {
1674 dev_info(&pf->pdev->dev, "tx_timeout <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 "tx_timeout: VSI %d not found\n", vsi_seid);
1681 } else if (!vsi->netdev) {
1682 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1683 vsi_seid);
1684 } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) {
1685 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1686 vsi_seid);
1687 } else if (rtnl_trylock()) {
1688 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1689 rtnl_unlock();
1690 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1691 } else {
1692 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1693 }
1694 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1695 int mtu;
1696
1697 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1698 &vsi_seid, &mtu);
1699 if (cnt != 2) {
1700 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1701 goto netdev_ops_write_done;
1702 }
1703 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1704 if (!vsi) {
1705 dev_info(&pf->pdev->dev,
1706 "change_mtu: VSI %d not found\n", vsi_seid);
1707 } else if (!vsi->netdev) {
1708 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1709 vsi_seid);
1710 } else if (rtnl_trylock()) {
1711 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1712 mtu);
1713 rtnl_unlock();
1714 dev_info(&pf->pdev->dev, "change_mtu called\n");
1715 } else {
1716 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1717 }
1718
1719 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1720 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1721 if (cnt != 1) {
1722 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1723 goto netdev_ops_write_done;
1724 }
1725 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1726 if (!vsi) {
1727 dev_info(&pf->pdev->dev,
1728 "set_rx_mode: VSI %d not found\n", vsi_seid);
1729 } else if (!vsi->netdev) {
1730 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1731 vsi_seid);
1732 } else if (rtnl_trylock()) {
1733 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1734 rtnl_unlock();
1735 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1736 } else {
1737 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1738 }
1739
1740 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1741 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1742 if (cnt != 1) {
1743 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1744 goto netdev_ops_write_done;
1745 }
1746 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1747 if (!vsi) {
1748 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1749 vsi_seid);
1750 } else if (!vsi->netdev) {
1751 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1752 vsi_seid);
1753 } else {
1754 for (i = 0; i < vsi->num_q_vectors; i++)
1755 napi_schedule(&vsi->q_vectors[i]->napi);
1756 dev_info(&pf->pdev->dev, "napi called\n");
1757 }
1758 } else {
1759 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1760 i40e_dbg_netdev_ops_buf);
1761 dev_info(&pf->pdev->dev, "available commands\n");
1762 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1763 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1764 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1765 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1766 }
1767netdev_ops_write_done:
1768 return count;
1769}
1770
1771static const struct file_operations i40e_dbg_netdev_ops_fops = {
1772 .owner = THIS_MODULE,
1773 .open = simple_open,
1774 .read = i40e_dbg_netdev_ops_read,
1775 .write = i40e_dbg_netdev_ops_write,
1776};
1777
1778/**
1779 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1780 * @pf: the PF that is starting up
1781 **/
1782void i40e_dbg_pf_init(struct i40e_pf *pf)
1783{
1784 struct dentry *pfile;
1785 const char *name = pci_name(pf->pdev);
1786 const struct device *dev = &pf->pdev->dev;
1787
1788 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1789 if (!pf->i40e_dbg_pf)
1790 return;
1791
1792 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1793 &i40e_dbg_command_fops);
1794 if (!pfile)
1795 goto create_failed;
1796
1797 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1798 &i40e_dbg_netdev_ops_fops);
1799 if (!pfile)
1800 goto create_failed;
1801
1802 return;
1803
1804create_failed:
1805 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1806 debugfs_remove_recursive(pf->i40e_dbg_pf);
1807}
1808
1809/**
1810 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1811 * @pf: the PF that is stopping
1812 **/
1813void i40e_dbg_pf_exit(struct i40e_pf *pf)
1814{
1815 debugfs_remove_recursive(pf->i40e_dbg_pf);
1816 pf->i40e_dbg_pf = NULL;
1817}
1818
1819/**
1820 * i40e_dbg_init - start up debugfs for the driver
1821 **/
1822void i40e_dbg_init(void)
1823{
1824 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1825 if (!i40e_dbg_root)
1826 pr_info("init of debugfs failed\n");
1827}
1828
1829/**
1830 * i40e_dbg_exit - clean out the driver's debugfs entries
1831 **/
1832void i40e_dbg_exit(void)
1833{
1834 debugfs_remove_recursive(i40e_dbg_root);
1835 i40e_dbg_root = NULL;
1836}
1837
1838#endif /* CONFIG_DEBUG_FS */