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Merge branch 'parisc-4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / ethernet / intel / i40e / i40e_debugfs.c
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
34 static 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 **/
41 static 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 **/
60 static 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 **************************************************************/
77 static 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 **/
86 static 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
119 /**
120 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
121 * @pf: the i40e_pf created in command write
122 * @seid: the seid the user put in
123 **/
124 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
125 {
126 struct rtnl_link_stats64 *nstat;
127 struct i40e_mac_filter *f;
128 struct i40e_vsi *vsi;
129 int i;
130
131 vsi = i40e_dbg_find_vsi(pf, seid);
132 if (!vsi) {
133 dev_info(&pf->pdev->dev,
134 "dump %d: seid not found\n", seid);
135 return;
136 }
137 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
138 if (vsi->netdev) {
139 struct net_device *nd = vsi->netdev;
140
141 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
142 nd->name, nd->state, nd->flags);
143 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
144 (unsigned long int)nd->features);
145 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
146 (unsigned long int)nd->hw_features);
147 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
148 (unsigned long int)nd->vlan_features);
149 }
150 if (vsi->active_vlans)
151 dev_info(&pf->pdev->dev,
152 " vlgrp: & = %p\n", vsi->active_vlans);
153 dev_info(&pf->pdev->dev,
154 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
155 vsi->state, vsi->flags,
156 vsi->netdev_registered, vsi->current_netdev_flags);
157 if (vsi == pf->vsi[pf->lan_vsi])
158 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
159 pf->hw.mac.addr,
160 pf->hw.mac.san_addr,
161 pf->hw.mac.port_addr);
162 list_for_each_entry(f, &vsi->mac_filter_list, list) {
163 dev_info(&pf->pdev->dev,
164 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
165 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
166 f->counter);
167 }
168 nstat = i40e_get_vsi_stats_struct(vsi);
169 dev_info(&pf->pdev->dev,
170 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
171 (unsigned long int)nstat->rx_packets,
172 (unsigned long int)nstat->rx_bytes,
173 (unsigned long int)nstat->rx_errors,
174 (unsigned long int)nstat->rx_dropped);
175 dev_info(&pf->pdev->dev,
176 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
177 (unsigned long int)nstat->tx_packets,
178 (unsigned long int)nstat->tx_bytes,
179 (unsigned long int)nstat->tx_errors,
180 (unsigned long int)nstat->tx_dropped);
181 dev_info(&pf->pdev->dev,
182 " net_stats: multicast = %lu, collisions = %lu\n",
183 (unsigned long int)nstat->multicast,
184 (unsigned long int)nstat->collisions);
185 dev_info(&pf->pdev->dev,
186 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
187 (unsigned long int)nstat->rx_length_errors,
188 (unsigned long int)nstat->rx_over_errors,
189 (unsigned long int)nstat->rx_crc_errors);
190 dev_info(&pf->pdev->dev,
191 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
192 (unsigned long int)nstat->rx_frame_errors,
193 (unsigned long int)nstat->rx_fifo_errors,
194 (unsigned long int)nstat->rx_missed_errors);
195 dev_info(&pf->pdev->dev,
196 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
197 (unsigned long int)nstat->tx_aborted_errors,
198 (unsigned long int)nstat->tx_carrier_errors,
199 (unsigned long int)nstat->tx_fifo_errors);
200 dev_info(&pf->pdev->dev,
201 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
202 (unsigned long int)nstat->tx_heartbeat_errors,
203 (unsigned long int)nstat->tx_window_errors);
204 dev_info(&pf->pdev->dev,
205 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
206 (unsigned long int)nstat->rx_compressed,
207 (unsigned long int)nstat->tx_compressed);
208 dev_info(&pf->pdev->dev,
209 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
210 (unsigned long int)vsi->net_stats_offsets.rx_packets,
211 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
212 (unsigned long int)vsi->net_stats_offsets.rx_errors,
213 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
214 dev_info(&pf->pdev->dev,
215 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
216 (unsigned long int)vsi->net_stats_offsets.tx_packets,
217 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
218 (unsigned long int)vsi->net_stats_offsets.tx_errors,
219 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
220 dev_info(&pf->pdev->dev,
221 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
222 (unsigned long int)vsi->net_stats_offsets.multicast,
223 (unsigned long int)vsi->net_stats_offsets.collisions);
224 dev_info(&pf->pdev->dev,
225 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
226 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
227 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
228 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
229 dev_info(&pf->pdev->dev,
230 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
231 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
232 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
233 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
234 dev_info(&pf->pdev->dev,
235 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
236 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
237 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
238 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
239 dev_info(&pf->pdev->dev,
240 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
241 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
242 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
243 dev_info(&pf->pdev->dev,
244 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
245 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
246 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
247 dev_info(&pf->pdev->dev,
248 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
249 vsi->tx_restart, vsi->tx_busy,
250 vsi->rx_buf_failed, vsi->rx_page_failed);
251 rcu_read_lock();
252 for (i = 0; i < vsi->num_queue_pairs; i++) {
253 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
254
255 if (!rx_ring)
256 continue;
257
258 dev_info(&pf->pdev->dev,
259 " rx_rings[%i]: desc = %p\n",
260 i, rx_ring->desc);
261 dev_info(&pf->pdev->dev,
262 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
263 i, rx_ring->dev,
264 rx_ring->netdev,
265 rx_ring->rx_bi);
266 dev_info(&pf->pdev->dev,
267 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
268 i, rx_ring->state,
269 rx_ring->queue_index,
270 rx_ring->reg_idx);
271 dev_info(&pf->pdev->dev,
272 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
273 i, rx_ring->rx_hdr_len,
274 rx_ring->rx_buf_len,
275 rx_ring->dtype);
276 dev_info(&pf->pdev->dev,
277 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
278 i, ring_is_ps_enabled(rx_ring),
279 rx_ring->next_to_use,
280 rx_ring->next_to_clean,
281 rx_ring->ring_active);
282 dev_info(&pf->pdev->dev,
283 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
284 i, rx_ring->stats.packets,
285 rx_ring->stats.bytes,
286 rx_ring->rx_stats.non_eop_descs);
287 dev_info(&pf->pdev->dev,
288 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
289 i,
290 rx_ring->rx_stats.alloc_page_failed,
291 rx_ring->rx_stats.alloc_buff_failed);
292 dev_info(&pf->pdev->dev,
293 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
294 i,
295 rx_ring->rx_stats.realloc_count,
296 rx_ring->rx_stats.page_reuse_count);
297 dev_info(&pf->pdev->dev,
298 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
299 i, rx_ring->size,
300 (unsigned long int)rx_ring->dma);
301 dev_info(&pf->pdev->dev,
302 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
303 i, rx_ring->vsi,
304 rx_ring->q_vector);
305 dev_info(&pf->pdev->dev,
306 " rx_rings[%i]: rx_itr_setting = %d (%s)\n",
307 i, rx_ring->rx_itr_setting,
308 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
309 }
310 for (i = 0; i < vsi->num_queue_pairs; i++) {
311 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
312
313 if (!tx_ring)
314 continue;
315
316 dev_info(&pf->pdev->dev,
317 " tx_rings[%i]: desc = %p\n",
318 i, tx_ring->desc);
319 dev_info(&pf->pdev->dev,
320 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
321 i, tx_ring->dev,
322 tx_ring->netdev,
323 tx_ring->tx_bi);
324 dev_info(&pf->pdev->dev,
325 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
326 i, tx_ring->state,
327 tx_ring->queue_index,
328 tx_ring->reg_idx);
329 dev_info(&pf->pdev->dev,
330 " tx_rings[%i]: dtype = %d\n",
331 i, tx_ring->dtype);
332 dev_info(&pf->pdev->dev,
333 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
334 i,
335 tx_ring->next_to_use,
336 tx_ring->next_to_clean,
337 tx_ring->ring_active);
338 dev_info(&pf->pdev->dev,
339 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
340 i, tx_ring->stats.packets,
341 tx_ring->stats.bytes,
342 tx_ring->tx_stats.restart_queue);
343 dev_info(&pf->pdev->dev,
344 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
345 i,
346 tx_ring->tx_stats.tx_busy,
347 tx_ring->tx_stats.tx_done_old);
348 dev_info(&pf->pdev->dev,
349 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
350 i, tx_ring->size,
351 (unsigned long int)tx_ring->dma);
352 dev_info(&pf->pdev->dev,
353 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
354 i, tx_ring->vsi,
355 tx_ring->q_vector);
356 dev_info(&pf->pdev->dev,
357 " tx_rings[%i]: DCB tc = %d\n",
358 i, tx_ring->dcb_tc);
359 dev_info(&pf->pdev->dev,
360 " tx_rings[%i]: tx_itr_setting = %d (%s)\n",
361 i, tx_ring->tx_itr_setting,
362 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
363 }
364 rcu_read_unlock();
365 dev_info(&pf->pdev->dev,
366 " work_limit = %d\n",
367 vsi->work_limit);
368 dev_info(&pf->pdev->dev,
369 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
370 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
371 dev_info(&pf->pdev->dev,
372 " num_q_vectors = %i, base_vector = %i\n",
373 vsi->num_q_vectors, vsi->base_vector);
374 dev_info(&pf->pdev->dev,
375 " seid = %d, id = %d, uplink_seid = %d\n",
376 vsi->seid, vsi->id, vsi->uplink_seid);
377 dev_info(&pf->pdev->dev,
378 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
379 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
380 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
381 dev_info(&pf->pdev->dev,
382 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
383 vsi->info.valid_sections, vsi->info.switch_id);
384 dev_info(&pf->pdev->dev,
385 " info: sw_reserved[] = 0x%02x 0x%02x\n",
386 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
387 dev_info(&pf->pdev->dev,
388 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
389 vsi->info.sec_flags, vsi->info.sec_reserved);
390 dev_info(&pf->pdev->dev,
391 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
392 vsi->info.pvid, vsi->info.fcoe_pvid,
393 vsi->info.port_vlan_flags);
394 dev_info(&pf->pdev->dev,
395 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
396 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
397 vsi->info.pvlan_reserved[2]);
398 dev_info(&pf->pdev->dev,
399 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
400 vsi->info.ingress_table, vsi->info.egress_table);
401 dev_info(&pf->pdev->dev,
402 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
403 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
404 vsi->info.cas_pv_reserved);
405 dev_info(&pf->pdev->dev,
406 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
407 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
408 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
409 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
410 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
411 dev_info(&pf->pdev->dev,
412 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
413 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
414 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
415 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
416 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
417 dev_info(&pf->pdev->dev,
418 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
419 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
420 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
421 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
422 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
423 dev_info(&pf->pdev->dev,
424 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
425 vsi->info.queueing_opt_flags,
426 vsi->info.queueing_opt_reserved[0],
427 vsi->info.queueing_opt_reserved[1],
428 vsi->info.queueing_opt_reserved[2]);
429 dev_info(&pf->pdev->dev,
430 " info: up_enable_bits = 0x%02x\n",
431 vsi->info.up_enable_bits);
432 dev_info(&pf->pdev->dev,
433 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
434 vsi->info.sched_reserved, vsi->info.outer_up_table);
435 dev_info(&pf->pdev->dev,
436 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
437 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
438 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
439 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
440 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
441 dev_info(&pf->pdev->dev,
442 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
443 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
444 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
445 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
446 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
447 dev_info(&pf->pdev->dev,
448 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
449 vsi->info.stat_counter_idx, vsi->info.sched_id);
450 dev_info(&pf->pdev->dev,
451 " 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",
452 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
453 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
454 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
455 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
456 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
457 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
458 if (vsi->back)
459 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
460 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
461 dev_info(&pf->pdev->dev,
462 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
463 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
464 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
465 dev_info(&pf->pdev->dev,
466 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
467 i, vsi->tc_config.tc_info[i].qoffset,
468 vsi->tc_config.tc_info[i].qcount,
469 vsi->tc_config.tc_info[i].netdev_tc);
470 }
471 dev_info(&pf->pdev->dev,
472 " bw: bw_limit = %d, bw_max_quanta = %d\n",
473 vsi->bw_limit, vsi->bw_max_quanta);
474 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
475 dev_info(&pf->pdev->dev,
476 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
477 i, vsi->bw_ets_share_credits[i],
478 vsi->bw_ets_limit_credits[i],
479 vsi->bw_ets_max_quanta[i]);
480 }
481 #ifdef I40E_FCOE
482 if (vsi->type == I40E_VSI_FCOE) {
483 dev_info(&pf->pdev->dev,
484 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
485 vsi->fcoe_stats.rx_fcoe_packets,
486 vsi->fcoe_stats.rx_fcoe_dwords,
487 vsi->fcoe_stats.rx_fcoe_dropped);
488 dev_info(&pf->pdev->dev,
489 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
490 vsi->fcoe_stats.tx_fcoe_packets,
491 vsi->fcoe_stats.tx_fcoe_dwords);
492 dev_info(&pf->pdev->dev,
493 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
494 vsi->fcoe_stats.fcoe_bad_fccrc,
495 vsi->fcoe_stats.fcoe_last_error);
496 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
497 vsi->fcoe_stats.fcoe_ddp_count);
498 }
499 #endif
500 }
501
502 /**
503 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
504 * @pf: the i40e_pf created in command write
505 **/
506 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
507 {
508 struct i40e_adminq_ring *ring;
509 struct i40e_hw *hw = &pf->hw;
510 char hdr[32];
511 int i;
512
513 snprintf(hdr, sizeof(hdr), "%s %s: ",
514 dev_driver_string(&pf->pdev->dev),
515 dev_name(&pf->pdev->dev));
516
517 /* first the send (command) ring, then the receive (event) ring */
518 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
519 ring = &(hw->aq.asq);
520 for (i = 0; i < ring->count; i++) {
521 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
522
523 dev_info(&pf->pdev->dev,
524 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
525 i, d->flags, d->opcode, d->datalen, d->retval,
526 d->cookie_high, d->cookie_low);
527 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
528 16, 1, d->params.raw, 16, 0);
529 }
530
531 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
532 ring = &(hw->aq.arq);
533 for (i = 0; i < ring->count; i++) {
534 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
535
536 dev_info(&pf->pdev->dev,
537 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
538 i, d->flags, d->opcode, d->datalen, d->retval,
539 d->cookie_high, d->cookie_low);
540 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
541 16, 1, d->params.raw, 16, 0);
542 }
543 }
544
545 /**
546 * i40e_dbg_dump_desc - handles dump desc write into command datum
547 * @cnt: number of arguments that the user supplied
548 * @vsi_seid: vsi id entered by user
549 * @ring_id: ring id entered by user
550 * @desc_n: descriptor number entered by user
551 * @pf: the i40e_pf created in command write
552 * @is_rx_ring: true if rx, false if tx
553 **/
554 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
555 struct i40e_pf *pf, bool is_rx_ring)
556 {
557 struct i40e_tx_desc *txd;
558 union i40e_rx_desc *rxd;
559 struct i40e_ring *ring;
560 struct i40e_vsi *vsi;
561 int i;
562
563 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
564 if (!vsi) {
565 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
566 return;
567 }
568 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
569 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
570 return;
571 }
572 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
573 dev_info(&pf->pdev->dev,
574 "descriptor rings have not been allocated for vsi %d\n",
575 vsi_seid);
576 return;
577 }
578
579 ring = kmemdup(is_rx_ring
580 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
581 sizeof(*ring), GFP_KERNEL);
582 if (!ring)
583 return;
584
585 if (cnt == 2) {
586 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
587 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
588 for (i = 0; i < ring->count; i++) {
589 if (!is_rx_ring) {
590 txd = I40E_TX_DESC(ring, i);
591 dev_info(&pf->pdev->dev,
592 " d[%03x] = 0x%016llx 0x%016llx\n",
593 i, txd->buffer_addr,
594 txd->cmd_type_offset_bsz);
595 } else if (sizeof(union i40e_rx_desc) ==
596 sizeof(union i40e_16byte_rx_desc)) {
597 rxd = I40E_RX_DESC(ring, i);
598 dev_info(&pf->pdev->dev,
599 " d[%03x] = 0x%016llx 0x%016llx\n",
600 i, rxd->read.pkt_addr,
601 rxd->read.hdr_addr);
602 } else {
603 rxd = I40E_RX_DESC(ring, i);
604 dev_info(&pf->pdev->dev,
605 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
606 i, rxd->read.pkt_addr,
607 rxd->read.hdr_addr,
608 rxd->read.rsvd1, rxd->read.rsvd2);
609 }
610 }
611 } else if (cnt == 3) {
612 if (desc_n >= ring->count || desc_n < 0) {
613 dev_info(&pf->pdev->dev,
614 "descriptor %d not found\n", desc_n);
615 goto out;
616 }
617 if (!is_rx_ring) {
618 txd = I40E_TX_DESC(ring, desc_n);
619 dev_info(&pf->pdev->dev,
620 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
621 vsi_seid, ring_id, desc_n,
622 txd->buffer_addr, txd->cmd_type_offset_bsz);
623 } else if (sizeof(union i40e_rx_desc) ==
624 sizeof(union i40e_16byte_rx_desc)) {
625 rxd = I40E_RX_DESC(ring, desc_n);
626 dev_info(&pf->pdev->dev,
627 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
628 vsi_seid, ring_id, desc_n,
629 rxd->read.pkt_addr, rxd->read.hdr_addr);
630 } else {
631 rxd = I40E_RX_DESC(ring, desc_n);
632 dev_info(&pf->pdev->dev,
633 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
634 vsi_seid, ring_id, desc_n,
635 rxd->read.pkt_addr, rxd->read.hdr_addr,
636 rxd->read.rsvd1, rxd->read.rsvd2);
637 }
638 } else {
639 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
640 }
641
642 out:
643 kfree(ring);
644 }
645
646 /**
647 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
648 * @pf: the i40e_pf created in command write
649 **/
650 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
651 {
652 int i;
653
654 for (i = 0; i < pf->num_alloc_vsi; i++)
655 if (pf->vsi[i])
656 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
657 i, pf->vsi[i]->seid);
658 }
659
660 /**
661 * i40e_dbg_dump_stats - handles dump stats write into command datum
662 * @pf: the i40e_pf created in command write
663 * @estats: the eth stats structure to be dumped
664 **/
665 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
666 struct i40e_eth_stats *estats)
667 {
668 dev_info(&pf->pdev->dev, " ethstats:\n");
669 dev_info(&pf->pdev->dev,
670 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
671 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
672 dev_info(&pf->pdev->dev,
673 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
674 estats->rx_broadcast, estats->rx_discards);
675 dev_info(&pf->pdev->dev,
676 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
677 estats->rx_unknown_protocol, estats->tx_bytes);
678 dev_info(&pf->pdev->dev,
679 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
680 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
681 dev_info(&pf->pdev->dev,
682 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
683 estats->tx_discards, estats->tx_errors);
684 }
685
686 /**
687 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
688 * @pf: the i40e_pf created in command write
689 * @seid: the seid the user put in
690 **/
691 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
692 {
693 struct i40e_veb *veb;
694
695 veb = i40e_dbg_find_veb(pf, seid);
696 if (!veb) {
697 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
698 return;
699 }
700 dev_info(&pf->pdev->dev,
701 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
702 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
703 veb->uplink_seid,
704 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
705 i40e_dbg_dump_eth_stats(pf, &veb->stats);
706 }
707
708 /**
709 * i40e_dbg_dump_veb_all - dumps all known veb's stats
710 * @pf: the i40e_pf created in command write
711 **/
712 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
713 {
714 struct i40e_veb *veb;
715 int i;
716
717 for (i = 0; i < I40E_MAX_VEB; i++) {
718 veb = pf->veb[i];
719 if (veb)
720 i40e_dbg_dump_veb_seid(pf, veb->seid);
721 }
722 }
723
724 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
725 /**
726 * i40e_dbg_command_write - write into command datum
727 * @filp: the opened file
728 * @buffer: where to find the user's data
729 * @count: the length of the user's data
730 * @ppos: file position offset
731 **/
732 static ssize_t i40e_dbg_command_write(struct file *filp,
733 const char __user *buffer,
734 size_t count, loff_t *ppos)
735 {
736 struct i40e_pf *pf = filp->private_data;
737 char *cmd_buf, *cmd_buf_tmp;
738 int bytes_not_copied;
739 struct i40e_vsi *vsi;
740 int vsi_seid;
741 int veb_seid;
742 int cnt;
743
744 /* don't allow partial writes */
745 if (*ppos != 0)
746 return 0;
747
748 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
749 if (!cmd_buf)
750 return count;
751 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
752 if (bytes_not_copied) {
753 kfree(cmd_buf);
754 return -EFAULT;
755 }
756 cmd_buf[count] = '\0';
757
758 cmd_buf_tmp = strchr(cmd_buf, '\n');
759 if (cmd_buf_tmp) {
760 *cmd_buf_tmp = '\0';
761 count = cmd_buf_tmp - cmd_buf + 1;
762 }
763
764 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
765 vsi_seid = -1;
766 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
767 if (cnt == 0) {
768 /* default to PF VSI */
769 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
770 } else if (vsi_seid < 0) {
771 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
772 vsi_seid);
773 goto command_write_done;
774 }
775
776 /* By default we are in VEPA mode, if this is the first VF/VMDq
777 * VSI to be added switch to VEB mode.
778 */
779 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
780 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
781 i40e_do_reset_safe(pf,
782 BIT_ULL(__I40E_PF_RESET_REQUESTED));
783 }
784
785 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
786 if (vsi)
787 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
788 vsi->seid, vsi->uplink_seid);
789 else
790 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
791
792 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
793 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
794 if (cnt != 1) {
795 dev_info(&pf->pdev->dev,
796 "del vsi: bad command string, cnt=%d\n",
797 cnt);
798 goto command_write_done;
799 }
800 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
801 if (!vsi) {
802 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
803 vsi_seid);
804 goto command_write_done;
805 }
806
807 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
808 i40e_vsi_release(vsi);
809
810 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
811 struct i40e_veb *veb;
812 int uplink_seid, i;
813
814 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
815 if (cnt != 2) {
816 dev_info(&pf->pdev->dev,
817 "add relay: bad command string, cnt=%d\n",
818 cnt);
819 goto command_write_done;
820 } else if (uplink_seid < 0) {
821 dev_info(&pf->pdev->dev,
822 "add relay %d: bad uplink seid\n",
823 uplink_seid);
824 goto command_write_done;
825 }
826
827 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
828 if (!vsi) {
829 dev_info(&pf->pdev->dev,
830 "add relay: VSI %d not found\n", vsi_seid);
831 goto command_write_done;
832 }
833
834 for (i = 0; i < I40E_MAX_VEB; i++)
835 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
836 break;
837 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
838 uplink_seid != pf->mac_seid) {
839 dev_info(&pf->pdev->dev,
840 "add relay: relay uplink %d not found\n",
841 uplink_seid);
842 goto command_write_done;
843 }
844
845 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
846 vsi->tc_config.enabled_tc);
847 if (veb)
848 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
849 else
850 dev_info(&pf->pdev->dev, "add relay failed\n");
851
852 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
853 int i;
854 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
855 if (cnt != 1) {
856 dev_info(&pf->pdev->dev,
857 "del relay: bad command string, cnt=%d\n",
858 cnt);
859 goto command_write_done;
860 } else if (veb_seid < 0) {
861 dev_info(&pf->pdev->dev,
862 "del relay %d: bad relay seid\n", veb_seid);
863 goto command_write_done;
864 }
865
866 /* find the veb */
867 for (i = 0; i < I40E_MAX_VEB; i++)
868 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
869 break;
870 if (i >= I40E_MAX_VEB) {
871 dev_info(&pf->pdev->dev,
872 "del relay: relay %d not found\n", veb_seid);
873 goto command_write_done;
874 }
875
876 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
877 i40e_veb_release(pf->veb[i]);
878
879 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
880 struct i40e_mac_filter *f;
881 int vlan = 0;
882 u8 ma[6];
883 int ret;
884
885 cnt = sscanf(&cmd_buf[11],
886 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
887 &vsi_seid,
888 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
889 &vlan);
890 if (cnt == 7) {
891 vlan = 0;
892 } else if (cnt != 8) {
893 dev_info(&pf->pdev->dev,
894 "add macaddr: bad command string, cnt=%d\n",
895 cnt);
896 goto command_write_done;
897 }
898
899 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
900 if (!vsi) {
901 dev_info(&pf->pdev->dev,
902 "add macaddr: VSI %d not found\n", vsi_seid);
903 goto command_write_done;
904 }
905
906 spin_lock_bh(&vsi->mac_filter_list_lock);
907 f = i40e_add_filter(vsi, ma, vlan, false, false);
908 spin_unlock_bh(&vsi->mac_filter_list_lock);
909 ret = i40e_sync_vsi_filters(vsi);
910 if (f && !ret)
911 dev_info(&pf->pdev->dev,
912 "add macaddr: %pM vlan=%d added to VSI %d\n",
913 ma, vlan, vsi_seid);
914 else
915 dev_info(&pf->pdev->dev,
916 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
917 ma, vlan, vsi_seid, f, ret);
918
919 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
920 int vlan = 0;
921 u8 ma[6];
922 int ret;
923
924 cnt = sscanf(&cmd_buf[11],
925 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
926 &vsi_seid,
927 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
928 &vlan);
929 if (cnt == 7) {
930 vlan = 0;
931 } else if (cnt != 8) {
932 dev_info(&pf->pdev->dev,
933 "del macaddr: bad command string, cnt=%d\n",
934 cnt);
935 goto command_write_done;
936 }
937
938 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
939 if (!vsi) {
940 dev_info(&pf->pdev->dev,
941 "del macaddr: VSI %d not found\n", vsi_seid);
942 goto command_write_done;
943 }
944
945 spin_lock_bh(&vsi->mac_filter_list_lock);
946 i40e_del_filter(vsi, ma, vlan, false, false);
947 spin_unlock_bh(&vsi->mac_filter_list_lock);
948 ret = i40e_sync_vsi_filters(vsi);
949 if (!ret)
950 dev_info(&pf->pdev->dev,
951 "del macaddr: %pM vlan=%d removed from VSI %d\n",
952 ma, vlan, vsi_seid);
953 else
954 dev_info(&pf->pdev->dev,
955 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
956 ma, vlan, vsi_seid, ret);
957
958 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
959 i40e_status ret;
960 u16 vid;
961 unsigned int v;
962
963 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
964 if (cnt != 2) {
965 dev_info(&pf->pdev->dev,
966 "add pvid: bad command string, cnt=%d\n", cnt);
967 goto command_write_done;
968 }
969
970 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
971 if (!vsi) {
972 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
973 vsi_seid);
974 goto command_write_done;
975 }
976
977 vid = v;
978 ret = i40e_vsi_add_pvid(vsi, vid);
979 if (!ret)
980 dev_info(&pf->pdev->dev,
981 "add pvid: %d added to VSI %d\n",
982 vid, vsi_seid);
983 else
984 dev_info(&pf->pdev->dev,
985 "add pvid: %d to VSI %d failed, ret=%d\n",
986 vid, vsi_seid, ret);
987
988 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
989
990 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
991 if (cnt != 1) {
992 dev_info(&pf->pdev->dev,
993 "del pvid: bad command string, cnt=%d\n",
994 cnt);
995 goto command_write_done;
996 }
997
998 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
999 if (!vsi) {
1000 dev_info(&pf->pdev->dev,
1001 "del pvid: VSI %d not found\n", vsi_seid);
1002 goto command_write_done;
1003 }
1004
1005 i40e_vsi_remove_pvid(vsi);
1006 dev_info(&pf->pdev->dev,
1007 "del pvid: removed from VSI %d\n", vsi_seid);
1008
1009 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1010 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1011 i40e_fetch_switch_configuration(pf, true);
1012 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1013 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1014 if (cnt > 0)
1015 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1016 else
1017 i40e_dbg_dump_vsi_no_seid(pf);
1018 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1019 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1020 if (cnt > 0)
1021 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1022 else
1023 i40e_dbg_dump_veb_all(pf);
1024 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1025 int ring_id, desc_n;
1026 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1027 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1028 &vsi_seid, &ring_id, &desc_n);
1029 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1030 desc_n, pf, true);
1031 } else if (strncmp(&cmd_buf[10], "tx", 2)
1032 == 0) {
1033 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1034 &vsi_seid, &ring_id, &desc_n);
1035 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1036 desc_n, pf, false);
1037 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1038 i40e_dbg_dump_aq_desc(pf);
1039 } else {
1040 dev_info(&pf->pdev->dev,
1041 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1042 dev_info(&pf->pdev->dev,
1043 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1044 dev_info(&pf->pdev->dev, "dump desc aq\n");
1045 }
1046 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1047 dev_info(&pf->pdev->dev,
1048 "core reset count: %d\n", pf->corer_count);
1049 dev_info(&pf->pdev->dev,
1050 "global reset count: %d\n", pf->globr_count);
1051 dev_info(&pf->pdev->dev,
1052 "emp reset count: %d\n", pf->empr_count);
1053 dev_info(&pf->pdev->dev,
1054 "pf reset count: %d\n", pf->pfr_count);
1055 dev_info(&pf->pdev->dev,
1056 "pf tx sluggish count: %d\n",
1057 pf->tx_sluggish_count);
1058 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1059 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1060 struct i40e_dcbx_config *cfg =
1061 &pf->hw.local_dcbx_config;
1062 struct i40e_dcbx_config *r_cfg =
1063 &pf->hw.remote_dcbx_config;
1064 int i, ret;
1065
1066 bw_data = kzalloc(sizeof(
1067 struct i40e_aqc_query_port_ets_config_resp),
1068 GFP_KERNEL);
1069 if (!bw_data) {
1070 ret = -ENOMEM;
1071 goto command_write_done;
1072 }
1073
1074 ret = i40e_aq_query_port_ets_config(&pf->hw,
1075 pf->mac_seid,
1076 bw_data, NULL);
1077 if (ret) {
1078 dev_info(&pf->pdev->dev,
1079 "Query Port ETS Config AQ command failed =0x%x\n",
1080 pf->hw.aq.asq_last_status);
1081 kfree(bw_data);
1082 bw_data = NULL;
1083 goto command_write_done;
1084 }
1085 dev_info(&pf->pdev->dev,
1086 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1087 bw_data->tc_valid_bits,
1088 bw_data->tc_strict_priority_bits,
1089 le16_to_cpu(bw_data->tc_bw_max[0]),
1090 le16_to_cpu(bw_data->tc_bw_max[1]));
1091 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1092 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1093 bw_data->tc_bw_share_credits[i],
1094 le16_to_cpu(bw_data->tc_bw_limits[i]));
1095 }
1096
1097 kfree(bw_data);
1098 bw_data = NULL;
1099
1100 dev_info(&pf->pdev->dev,
1101 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1102 dev_info(&pf->pdev->dev,
1103 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1104 cfg->etscfg.willing, cfg->etscfg.cbs,
1105 cfg->etscfg.maxtcs);
1106 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1107 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1108 i, cfg->etscfg.prioritytable[i],
1109 cfg->etscfg.tcbwtable[i],
1110 cfg->etscfg.tsatable[i]);
1111 }
1112 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1113 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1114 i, cfg->etsrec.prioritytable[i],
1115 cfg->etsrec.tcbwtable[i],
1116 cfg->etsrec.tsatable[i]);
1117 }
1118 dev_info(&pf->pdev->dev,
1119 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1120 cfg->pfc.willing, cfg->pfc.mbc,
1121 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1122 dev_info(&pf->pdev->dev,
1123 "port app_table: num_apps=%d\n", cfg->numapps);
1124 for (i = 0; i < cfg->numapps; i++) {
1125 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1126 i, cfg->app[i].priority,
1127 cfg->app[i].selector,
1128 cfg->app[i].protocolid);
1129 }
1130 /* Peer TLV DCBX data */
1131 dev_info(&pf->pdev->dev,
1132 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1133 r_cfg->etscfg.willing,
1134 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1135 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1136 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1137 i, r_cfg->etscfg.prioritytable[i],
1138 r_cfg->etscfg.tcbwtable[i],
1139 r_cfg->etscfg.tsatable[i]);
1140 }
1141 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1142 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1143 i, r_cfg->etsrec.prioritytable[i],
1144 r_cfg->etsrec.tcbwtable[i],
1145 r_cfg->etsrec.tsatable[i]);
1146 }
1147 dev_info(&pf->pdev->dev,
1148 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1149 r_cfg->pfc.willing,
1150 r_cfg->pfc.mbc,
1151 r_cfg->pfc.pfccap,
1152 r_cfg->pfc.pfcenable);
1153 dev_info(&pf->pdev->dev,
1154 "remote port app_table: num_apps=%d\n",
1155 r_cfg->numapps);
1156 for (i = 0; i < r_cfg->numapps; i++) {
1157 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1158 i, r_cfg->app[i].priority,
1159 r_cfg->app[i].selector,
1160 r_cfg->app[i].protocolid);
1161 }
1162 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1163 int cluster_id, table_id;
1164 int index, ret;
1165 u16 buff_len = 4096;
1166 u32 next_index;
1167 u8 next_table;
1168 u8 *buff;
1169 u16 rlen;
1170
1171 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1172 &cluster_id, &table_id, &index);
1173 if (cnt != 3) {
1174 dev_info(&pf->pdev->dev,
1175 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1176 goto command_write_done;
1177 }
1178
1179 dev_info(&pf->pdev->dev,
1180 "AQ debug dump fwdata params %x %x %x %x\n",
1181 cluster_id, table_id, index, buff_len);
1182 buff = kzalloc(buff_len, GFP_KERNEL);
1183 if (!buff)
1184 goto command_write_done;
1185
1186 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1187 index, buff_len, buff, &rlen,
1188 &next_table, &next_index,
1189 NULL);
1190 if (ret) {
1191 dev_info(&pf->pdev->dev,
1192 "debug dump fwdata AQ Failed %d 0x%x\n",
1193 ret, pf->hw.aq.asq_last_status);
1194 kfree(buff);
1195 buff = NULL;
1196 goto command_write_done;
1197 }
1198 dev_info(&pf->pdev->dev,
1199 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1200 rlen, next_table, next_index);
1201 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1202 DUMP_PREFIX_OFFSET, 16, 1,
1203 buff, rlen, true);
1204 kfree(buff);
1205 buff = NULL;
1206 } else {
1207 dev_info(&pf->pdev->dev,
1208 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1209 dev_info(&pf->pdev->dev, "dump switch\n");
1210 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1211 dev_info(&pf->pdev->dev, "dump reset stats\n");
1212 dev_info(&pf->pdev->dev, "dump port\n");
1213 dev_info(&pf->pdev->dev,
1214 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1215 }
1216
1217 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1218 u32 level;
1219 cnt = sscanf(&cmd_buf[10], "%i", &level);
1220 if (cnt) {
1221 if (I40E_DEBUG_USER & level) {
1222 pf->hw.debug_mask = level;
1223 dev_info(&pf->pdev->dev,
1224 "set hw.debug_mask = 0x%08x\n",
1225 pf->hw.debug_mask);
1226 }
1227 pf->msg_enable = level;
1228 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1229 pf->msg_enable);
1230 } else {
1231 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1232 pf->msg_enable);
1233 }
1234 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1235 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1236 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1237
1238 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1239 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1240 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1241
1242 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1243 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1244 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1245
1246 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1247 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1248 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1249
1250 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1251 u32 address;
1252 u32 value;
1253
1254 cnt = sscanf(&cmd_buf[4], "%i", &address);
1255 if (cnt != 1) {
1256 dev_info(&pf->pdev->dev, "read <reg>\n");
1257 goto command_write_done;
1258 }
1259
1260 /* check the range on address */
1261 if (address > (pf->ioremap_len - sizeof(u32))) {
1262 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1263 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1264 goto command_write_done;
1265 }
1266
1267 value = rd32(&pf->hw, address);
1268 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1269 address, value);
1270
1271 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1272 u32 address, value;
1273
1274 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1275 if (cnt != 2) {
1276 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1277 goto command_write_done;
1278 }
1279
1280 /* check the range on address */
1281 if (address > (pf->ioremap_len - sizeof(u32))) {
1282 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1283 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1284 goto command_write_done;
1285 }
1286 wr32(&pf->hw, address, value);
1287 value = rd32(&pf->hw, address);
1288 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1289 address, value);
1290 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1291 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1292 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1293 if (cnt == 0) {
1294 int i;
1295
1296 for (i = 0; i < pf->num_alloc_vsi; i++)
1297 i40e_vsi_reset_stats(pf->vsi[i]);
1298 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1299 } else if (cnt == 1) {
1300 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1301 if (!vsi) {
1302 dev_info(&pf->pdev->dev,
1303 "clear_stats vsi: bad vsi %d\n",
1304 vsi_seid);
1305 goto command_write_done;
1306 }
1307 i40e_vsi_reset_stats(vsi);
1308 dev_info(&pf->pdev->dev,
1309 "vsi clear stats called for vsi %d\n",
1310 vsi_seid);
1311 } else {
1312 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1313 }
1314 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1315 if (pf->hw.partition_id == 1) {
1316 i40e_pf_reset_stats(pf);
1317 dev_info(&pf->pdev->dev, "port stats cleared\n");
1318 } else {
1319 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1320 }
1321 } else {
1322 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1323 }
1324 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1325 struct i40e_aq_desc *desc;
1326 i40e_status ret;
1327
1328 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1329 if (!desc)
1330 goto command_write_done;
1331 cnt = sscanf(&cmd_buf[11],
1332 "%hi %hi %hi %hi %i %i %i %i %i %i",
1333 &desc->flags,
1334 &desc->opcode, &desc->datalen, &desc->retval,
1335 &desc->cookie_high, &desc->cookie_low,
1336 &desc->params.internal.param0,
1337 &desc->params.internal.param1,
1338 &desc->params.internal.param2,
1339 &desc->params.internal.param3);
1340 if (cnt != 10) {
1341 dev_info(&pf->pdev->dev,
1342 "send aq_cmd: bad command string, cnt=%d\n",
1343 cnt);
1344 kfree(desc);
1345 desc = NULL;
1346 goto command_write_done;
1347 }
1348 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1349 if (!ret) {
1350 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1351 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1352 dev_info(&pf->pdev->dev,
1353 "AQ command send failed Opcode %x AQ Error: %d\n",
1354 desc->opcode, pf->hw.aq.asq_last_status);
1355 } else {
1356 dev_info(&pf->pdev->dev,
1357 "AQ command send failed Opcode %x Status: %d\n",
1358 desc->opcode, ret);
1359 }
1360 dev_info(&pf->pdev->dev,
1361 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1362 desc->flags, desc->opcode, desc->datalen, desc->retval,
1363 desc->cookie_high, desc->cookie_low,
1364 desc->params.internal.param0,
1365 desc->params.internal.param1,
1366 desc->params.internal.param2,
1367 desc->params.internal.param3);
1368 kfree(desc);
1369 desc = NULL;
1370 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1371 struct i40e_aq_desc *desc;
1372 i40e_status ret;
1373 u16 buffer_len;
1374 u8 *buff;
1375
1376 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1377 if (!desc)
1378 goto command_write_done;
1379 cnt = sscanf(&cmd_buf[20],
1380 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1381 &desc->flags,
1382 &desc->opcode, &desc->datalen, &desc->retval,
1383 &desc->cookie_high, &desc->cookie_low,
1384 &desc->params.internal.param0,
1385 &desc->params.internal.param1,
1386 &desc->params.internal.param2,
1387 &desc->params.internal.param3,
1388 &buffer_len);
1389 if (cnt != 11) {
1390 dev_info(&pf->pdev->dev,
1391 "send indirect aq_cmd: bad command string, cnt=%d\n",
1392 cnt);
1393 kfree(desc);
1394 desc = NULL;
1395 goto command_write_done;
1396 }
1397 /* Just stub a buffer big enough in case user messed up */
1398 if (buffer_len == 0)
1399 buffer_len = 1280;
1400
1401 buff = kzalloc(buffer_len, GFP_KERNEL);
1402 if (!buff) {
1403 kfree(desc);
1404 desc = NULL;
1405 goto command_write_done;
1406 }
1407 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1408 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1409 buffer_len, NULL);
1410 if (!ret) {
1411 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1412 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1413 dev_info(&pf->pdev->dev,
1414 "AQ command send failed Opcode %x AQ Error: %d\n",
1415 desc->opcode, pf->hw.aq.asq_last_status);
1416 } else {
1417 dev_info(&pf->pdev->dev,
1418 "AQ command send failed Opcode %x Status: %d\n",
1419 desc->opcode, ret);
1420 }
1421 dev_info(&pf->pdev->dev,
1422 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1423 desc->flags, desc->opcode, desc->datalen, desc->retval,
1424 desc->cookie_high, desc->cookie_low,
1425 desc->params.internal.param0,
1426 desc->params.internal.param1,
1427 desc->params.internal.param2,
1428 desc->params.internal.param3);
1429 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1430 DUMP_PREFIX_OFFSET, 16, 1,
1431 buff, buffer_len, true);
1432 kfree(buff);
1433 buff = NULL;
1434 kfree(desc);
1435 desc = NULL;
1436 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1437 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1438 struct i40e_fdir_filter fd_data;
1439 u16 packet_len, i, j = 0;
1440 char *asc_packet;
1441 u8 *raw_packet;
1442 bool add = false;
1443 int ret;
1444
1445 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1446 goto command_write_done;
1447
1448 if (strncmp(cmd_buf, "add", 3) == 0)
1449 add = true;
1450
1451 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1452 goto command_write_done;
1453
1454 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1455 GFP_KERNEL);
1456 if (!asc_packet)
1457 goto command_write_done;
1458
1459 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1460 GFP_KERNEL);
1461
1462 if (!raw_packet) {
1463 kfree(asc_packet);
1464 asc_packet = NULL;
1465 goto command_write_done;
1466 }
1467
1468 cnt = sscanf(&cmd_buf[13],
1469 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1470 &fd_data.q_index,
1471 &fd_data.flex_off, &fd_data.pctype,
1472 &fd_data.dest_vsi, &fd_data.dest_ctl,
1473 &fd_data.fd_status, &fd_data.cnt_index,
1474 &fd_data.fd_id, &packet_len, asc_packet);
1475 if (cnt != 10) {
1476 dev_info(&pf->pdev->dev,
1477 "program fd_filter: bad command string, cnt=%d\n",
1478 cnt);
1479 kfree(asc_packet);
1480 asc_packet = NULL;
1481 kfree(raw_packet);
1482 goto command_write_done;
1483 }
1484
1485 /* fix packet length if user entered 0 */
1486 if (packet_len == 0)
1487 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1488
1489 /* make sure to check the max as well */
1490 packet_len = min_t(u16,
1491 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1492
1493 for (i = 0; i < packet_len; i++) {
1494 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
1495 if (!cnt)
1496 break;
1497 j += 3;
1498 }
1499 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1500 print_hex_dump(KERN_INFO, "FD raw packet: ",
1501 DUMP_PREFIX_OFFSET, 16, 1,
1502 raw_packet, packet_len, true);
1503 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1504 if (!ret) {
1505 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1506 } else {
1507 dev_info(&pf->pdev->dev,
1508 "Filter command send failed %d\n", ret);
1509 }
1510 kfree(raw_packet);
1511 raw_packet = NULL;
1512 kfree(asc_packet);
1513 asc_packet = NULL;
1514 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1515 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1516 i40e_get_current_fd_count(pf));
1517 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1518 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1519 int ret;
1520
1521 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1522 if (ret) {
1523 dev_info(&pf->pdev->dev,
1524 "Stop LLDP AQ command failed =0x%x\n",
1525 pf->hw.aq.asq_last_status);
1526 goto command_write_done;
1527 }
1528 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1529 pf->hw.mac.addr,
1530 I40E_ETH_P_LLDP, 0,
1531 pf->vsi[pf->lan_vsi]->seid,
1532 0, true, NULL, NULL);
1533 if (ret) {
1534 dev_info(&pf->pdev->dev,
1535 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1536 __func__, pf->hw.aq.asq_last_status);
1537 goto command_write_done;
1538 }
1539 #ifdef CONFIG_I40E_DCB
1540 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1541 DCB_CAP_DCBX_VER_IEEE;
1542 #endif /* CONFIG_I40E_DCB */
1543 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1544 int ret;
1545
1546 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1547 pf->hw.mac.addr,
1548 I40E_ETH_P_LLDP, 0,
1549 pf->vsi[pf->lan_vsi]->seid,
1550 0, false, NULL, NULL);
1551 if (ret) {
1552 dev_info(&pf->pdev->dev,
1553 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1554 __func__, pf->hw.aq.asq_last_status);
1555 /* Continue and start FW LLDP anyways */
1556 }
1557
1558 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1559 if (ret) {
1560 dev_info(&pf->pdev->dev,
1561 "Start LLDP AQ command failed =0x%x\n",
1562 pf->hw.aq.asq_last_status);
1563 goto command_write_done;
1564 }
1565 #ifdef CONFIG_I40E_DCB
1566 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1567 DCB_CAP_DCBX_VER_IEEE;
1568 #endif /* CONFIG_I40E_DCB */
1569 } else if (strncmp(&cmd_buf[5],
1570 "get local", 9) == 0) {
1571 u16 llen, rlen;
1572 int ret;
1573 u8 *buff;
1574
1575 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1576 if (!buff)
1577 goto command_write_done;
1578
1579 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1580 I40E_AQ_LLDP_MIB_LOCAL,
1581 buff, I40E_LLDPDU_SIZE,
1582 &llen, &rlen, NULL);
1583 if (ret) {
1584 dev_info(&pf->pdev->dev,
1585 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1586 pf->hw.aq.asq_last_status);
1587 kfree(buff);
1588 buff = NULL;
1589 goto command_write_done;
1590 }
1591 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1592 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1593 DUMP_PREFIX_OFFSET, 16, 1,
1594 buff, I40E_LLDPDU_SIZE, true);
1595 kfree(buff);
1596 buff = NULL;
1597 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1598 u16 llen, rlen;
1599 int ret;
1600 u8 *buff;
1601
1602 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1603 if (!buff)
1604 goto command_write_done;
1605
1606 ret = i40e_aq_get_lldp_mib(&pf->hw,
1607 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1608 I40E_AQ_LLDP_MIB_REMOTE,
1609 buff, I40E_LLDPDU_SIZE,
1610 &llen, &rlen, NULL);
1611 if (ret) {
1612 dev_info(&pf->pdev->dev,
1613 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1614 pf->hw.aq.asq_last_status);
1615 kfree(buff);
1616 buff = NULL;
1617 goto command_write_done;
1618 }
1619 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1620 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1621 DUMP_PREFIX_OFFSET, 16, 1,
1622 buff, I40E_LLDPDU_SIZE, true);
1623 kfree(buff);
1624 buff = NULL;
1625 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1626 int ret;
1627
1628 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1629 true, NULL);
1630 if (ret) {
1631 dev_info(&pf->pdev->dev,
1632 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1633 pf->hw.aq.asq_last_status);
1634 goto command_write_done;
1635 }
1636 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1637 int ret;
1638
1639 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1640 false, NULL);
1641 if (ret) {
1642 dev_info(&pf->pdev->dev,
1643 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1644 pf->hw.aq.asq_last_status);
1645 goto command_write_done;
1646 }
1647 }
1648 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1649 u16 buffer_len, bytes;
1650 u16 module;
1651 u32 offset;
1652 u16 *buff;
1653 int ret;
1654
1655 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1656 &module, &offset, &buffer_len);
1657 if (cnt == 0) {
1658 module = 0;
1659 offset = 0;
1660 buffer_len = 0;
1661 } else if (cnt == 1) {
1662 offset = 0;
1663 buffer_len = 0;
1664 } else if (cnt == 2) {
1665 buffer_len = 0;
1666 } else if (cnt > 3) {
1667 dev_info(&pf->pdev->dev,
1668 "nvm read: bad command string, cnt=%d\n", cnt);
1669 goto command_write_done;
1670 }
1671
1672 /* set the max length */
1673 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1674
1675 bytes = 2 * buffer_len;
1676
1677 /* read at least 1k bytes, no more than 4kB */
1678 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1679 buff = kzalloc(bytes, GFP_KERNEL);
1680 if (!buff)
1681 goto command_write_done;
1682
1683 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1684 if (ret) {
1685 dev_info(&pf->pdev->dev,
1686 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1687 ret, pf->hw.aq.asq_last_status);
1688 kfree(buff);
1689 goto command_write_done;
1690 }
1691
1692 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1693 bytes, (u8 *)buff, true, NULL);
1694 i40e_release_nvm(&pf->hw);
1695 if (ret) {
1696 dev_info(&pf->pdev->dev,
1697 "Read NVM AQ failed err=%d status=0x%x\n",
1698 ret, pf->hw.aq.asq_last_status);
1699 } else {
1700 dev_info(&pf->pdev->dev,
1701 "Read NVM module=0x%x offset=0x%x words=%d\n",
1702 module, offset, buffer_len);
1703 if (bytes)
1704 print_hex_dump(KERN_INFO, "NVM Dump: ",
1705 DUMP_PREFIX_OFFSET, 16, 2,
1706 buff, bytes, true);
1707 }
1708 kfree(buff);
1709 buff = NULL;
1710 } else {
1711 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1712 dev_info(&pf->pdev->dev, "available commands\n");
1713 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1714 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1715 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1716 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1717 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1718 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1719 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1720 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1721 dev_info(&pf->pdev->dev, " dump switch\n");
1722 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1723 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1724 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1725 dev_info(&pf->pdev->dev, " dump desc aq\n");
1726 dev_info(&pf->pdev->dev, " dump reset stats\n");
1727 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1728 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1729 dev_info(&pf->pdev->dev, " read <reg>\n");
1730 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1731 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1732 dev_info(&pf->pdev->dev, " clear_stats port\n");
1733 dev_info(&pf->pdev->dev, " pfr\n");
1734 dev_info(&pf->pdev->dev, " corer\n");
1735 dev_info(&pf->pdev->dev, " globr\n");
1736 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1737 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1738 dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1739 dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1740 dev_info(&pf->pdev->dev, " fd current cnt");
1741 dev_info(&pf->pdev->dev, " lldp start\n");
1742 dev_info(&pf->pdev->dev, " lldp stop\n");
1743 dev_info(&pf->pdev->dev, " lldp get local\n");
1744 dev_info(&pf->pdev->dev, " lldp get remote\n");
1745 dev_info(&pf->pdev->dev, " lldp event on\n");
1746 dev_info(&pf->pdev->dev, " lldp event off\n");
1747 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1748 }
1749
1750 command_write_done:
1751 kfree(cmd_buf);
1752 cmd_buf = NULL;
1753 return count;
1754 }
1755
1756 static const struct file_operations i40e_dbg_command_fops = {
1757 .owner = THIS_MODULE,
1758 .open = simple_open,
1759 .read = i40e_dbg_command_read,
1760 .write = i40e_dbg_command_write,
1761 };
1762
1763 /**************************************************************
1764 * netdev_ops
1765 * The netdev_ops entry in debugfs is for giving the driver commands
1766 * to be executed from the netdev operations.
1767 **************************************************************/
1768 static char i40e_dbg_netdev_ops_buf[256] = "";
1769
1770 /**
1771 * i40e_dbg_netdev_ops - read for netdev_ops datum
1772 * @filp: the opened file
1773 * @buffer: where to write the data for the user to read
1774 * @count: the size of the user's buffer
1775 * @ppos: file position offset
1776 **/
1777 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1778 size_t count, loff_t *ppos)
1779 {
1780 struct i40e_pf *pf = filp->private_data;
1781 int bytes_not_copied;
1782 int buf_size = 256;
1783 char *buf;
1784 int len;
1785
1786 /* don't allow partal reads */
1787 if (*ppos != 0)
1788 return 0;
1789 if (count < buf_size)
1790 return -ENOSPC;
1791
1792 buf = kzalloc(buf_size, GFP_KERNEL);
1793 if (!buf)
1794 return -ENOSPC;
1795
1796 len = snprintf(buf, buf_size, "%s: %s\n",
1797 pf->vsi[pf->lan_vsi]->netdev->name,
1798 i40e_dbg_netdev_ops_buf);
1799
1800 bytes_not_copied = copy_to_user(buffer, buf, len);
1801 kfree(buf);
1802
1803 if (bytes_not_copied)
1804 return -EFAULT;
1805
1806 *ppos = len;
1807 return len;
1808 }
1809
1810 /**
1811 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1812 * @filp: the opened file
1813 * @buffer: where to find the user's data
1814 * @count: the length of the user's data
1815 * @ppos: file position offset
1816 **/
1817 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1818 const char __user *buffer,
1819 size_t count, loff_t *ppos)
1820 {
1821 struct i40e_pf *pf = filp->private_data;
1822 int bytes_not_copied;
1823 struct i40e_vsi *vsi;
1824 char *buf_tmp;
1825 int vsi_seid;
1826 int i, cnt;
1827
1828 /* don't allow partial writes */
1829 if (*ppos != 0)
1830 return 0;
1831 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1832 return -ENOSPC;
1833
1834 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1835 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1836 buffer, count);
1837 if (bytes_not_copied)
1838 return -EFAULT;
1839 i40e_dbg_netdev_ops_buf[count] = '\0';
1840
1841 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1842 if (buf_tmp) {
1843 *buf_tmp = '\0';
1844 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1845 }
1846
1847 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1848 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1849 if (cnt != 1) {
1850 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1851 goto netdev_ops_write_done;
1852 }
1853 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1854 if (!vsi) {
1855 dev_info(&pf->pdev->dev,
1856 "tx_timeout: VSI %d not found\n", vsi_seid);
1857 } else if (!vsi->netdev) {
1858 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1859 vsi_seid);
1860 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
1861 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1862 vsi_seid);
1863 } else if (rtnl_trylock()) {
1864 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1865 rtnl_unlock();
1866 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1867 } else {
1868 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1869 }
1870 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1871 int mtu;
1872
1873 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1874 &vsi_seid, &mtu);
1875 if (cnt != 2) {
1876 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1877 goto netdev_ops_write_done;
1878 }
1879 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1880 if (!vsi) {
1881 dev_info(&pf->pdev->dev,
1882 "change_mtu: VSI %d not found\n", vsi_seid);
1883 } else if (!vsi->netdev) {
1884 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1885 vsi_seid);
1886 } else if (rtnl_trylock()) {
1887 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1888 mtu);
1889 rtnl_unlock();
1890 dev_info(&pf->pdev->dev, "change_mtu called\n");
1891 } else {
1892 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1893 }
1894
1895 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1896 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1897 if (cnt != 1) {
1898 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1899 goto netdev_ops_write_done;
1900 }
1901 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1902 if (!vsi) {
1903 dev_info(&pf->pdev->dev,
1904 "set_rx_mode: VSI %d not found\n", vsi_seid);
1905 } else if (!vsi->netdev) {
1906 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1907 vsi_seid);
1908 } else if (rtnl_trylock()) {
1909 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1910 rtnl_unlock();
1911 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1912 } else {
1913 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1914 }
1915
1916 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1917 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1918 if (cnt != 1) {
1919 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1920 goto netdev_ops_write_done;
1921 }
1922 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1923 if (!vsi) {
1924 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1925 vsi_seid);
1926 } else if (!vsi->netdev) {
1927 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1928 vsi_seid);
1929 } else {
1930 for (i = 0; i < vsi->num_q_vectors; i++)
1931 napi_schedule(&vsi->q_vectors[i]->napi);
1932 dev_info(&pf->pdev->dev, "napi called\n");
1933 }
1934 } else {
1935 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1936 i40e_dbg_netdev_ops_buf);
1937 dev_info(&pf->pdev->dev, "available commands\n");
1938 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1939 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1940 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1941 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1942 }
1943 netdev_ops_write_done:
1944 return count;
1945 }
1946
1947 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1948 .owner = THIS_MODULE,
1949 .open = simple_open,
1950 .read = i40e_dbg_netdev_ops_read,
1951 .write = i40e_dbg_netdev_ops_write,
1952 };
1953
1954 /**
1955 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1956 * @pf: the PF that is starting up
1957 **/
1958 void i40e_dbg_pf_init(struct i40e_pf *pf)
1959 {
1960 struct dentry *pfile;
1961 const char *name = pci_name(pf->pdev);
1962 const struct device *dev = &pf->pdev->dev;
1963
1964 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1965 if (!pf->i40e_dbg_pf)
1966 return;
1967
1968 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1969 &i40e_dbg_command_fops);
1970 if (!pfile)
1971 goto create_failed;
1972
1973 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1974 &i40e_dbg_netdev_ops_fops);
1975 if (!pfile)
1976 goto create_failed;
1977
1978 return;
1979
1980 create_failed:
1981 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1982 debugfs_remove_recursive(pf->i40e_dbg_pf);
1983 }
1984
1985 /**
1986 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1987 * @pf: the PF that is stopping
1988 **/
1989 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1990 {
1991 debugfs_remove_recursive(pf->i40e_dbg_pf);
1992 pf->i40e_dbg_pf = NULL;
1993 }
1994
1995 /**
1996 * i40e_dbg_init - start up debugfs for the driver
1997 **/
1998 void i40e_dbg_init(void)
1999 {
2000 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2001 if (!i40e_dbg_root)
2002 pr_info("init of debugfs failed\n");
2003 }
2004
2005 /**
2006 * i40e_dbg_exit - clean out the driver's debugfs entries
2007 **/
2008 void i40e_dbg_exit(void)
2009 {
2010 debugfs_remove_recursive(i40e_dbg_root);
2011 i40e_dbg_root = NULL;
2012 }
2013
2014 #endif /* CONFIG_DEBUG_FS */
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