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Merge tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_debugfs.c
CommitLineData
02e9c290
JB		 1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
13cb3e9d 4 * Copyright(c) 2013 - 2016 Intel Corporation.
02e9c290
JB		 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 *
dc641b73
GR		 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/>.
02e9c290
JB		 17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27#ifdef CONFIG_DEBUG_FS
28
29#include <linux/fs.h>
30#include <linux/debugfs.h>
31
32#include "i40e.h"
33
34static struct dentry *i40e_dbg_root;
35
36/**
37 * i40e_dbg_find_vsi - searches for the vsi with the given seid
b40c82e6 38 * @pf - the PF structure to search for the vsi
02e9c290
JB		 39 * @seid - seid of the vsi it is searching for
40 **/
41static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
42{
43 int i;
44
45 if (seid < 0)
46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
47 else
505682cd 48 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 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
b40c82e6 57 * @pf - the PF structure to search for the veb
02e9c290
JB		 58 * @seid - seid of the veb it is searching for
59 **/
60static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
61{
62 int i;
63
4147e2c5
KP		 64 for (i = 0; i < I40E_MAX_VEB; i++)
65 if (pf->veb[i] && pf->veb[i]->seid == seid)
66 return pf->veb[i];
02e9c290
JB		 67 return NULL;
68}
69
02e9c290
JB		 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 **************************************************************/
d1da3ac0 77static char i40e_dbg_command_buf[256] = "";
02e9c290
JB		 78
79/**
80 * i40e_dbg_command_read - read for command datum
81 * @filp: the opened file
82 * @buffer: where to write the data for the user to read
83 * @count: the size of the user's buffer
84 * @ppos: file position offset
85 **/
86static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
87 size_t count, loff_t *ppos)
88{
89 struct i40e_pf *pf = filp->private_data;
90 int bytes_not_copied;
91 int buf_size = 256;
92 char *buf;
93 int len;
94
95 /* don't allow partial reads */
96 if (*ppos != 0)
97 return 0;
98 if (count < buf_size)
99 return -ENOSPC;
100
101 buf = kzalloc(buf_size, GFP_KERNEL);
102 if (!buf)
103 return -ENOSPC;
104
105 len = snprintf(buf, buf_size, "%s: %s\n",
106 pf->vsi[pf->lan_vsi]->netdev->name,
107 i40e_dbg_command_buf);
108
109 bytes_not_copied = copy_to_user(buffer, buf, len);
110 kfree(buf);
111
0286c67e
RV		 112 if (bytes_not_copied)
113 return -EFAULT;
02e9c290
JB		 114
115 *ppos = len;
116 return len;
117}
118
c3c7ea27
MW		 119static char *i40e_filter_state_string[] = {
120 "INVALID",
121 "NEW",
122 "ACTIVE",
123 "FAILED",
124 "REMOVE",
125};
126
02e9c290 127/**
e625f71b 128 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
02e9c290
JB		 129 * @pf: the i40e_pf created in command write
130 * @seid: the seid the user put in
131 **/
132static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
133{
134 struct rtnl_link_stats64 *nstat;
135 struct i40e_mac_filter *f;
136 struct i40e_vsi *vsi;
137 int i;
138
139 vsi = i40e_dbg_find_vsi(pf, seid);
140 if (!vsi) {
141 dev_info(&pf->pdev->dev,
142 "dump %d: seid not found\n", seid);
143 return;
144 }
145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
de1017f7
SN		 146 if (vsi->netdev) {
147 struct net_device *nd = vsi->netdev;
148
149 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
150 nd->name, nd->state, nd->flags);
151 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
152 (unsigned long int)nd->features);
153 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
154 (unsigned long int)nd->hw_features);
155 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
156 (unsigned long int)nd->vlan_features);
157 }
afb8ece4
CK		 158 dev_info(&pf->pdev->dev,
159 " vlgrp: & = %p\n", vsi->active_vlans);
02e9c290 160 dev_info(&pf->pdev->dev,
de1017f7
SN		 161 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
162 vsi->state, vsi->flags,
163 vsi->netdev_registered, vsi->current_netdev_flags);
2ddb80c9 164 if (vsi == pf->vsi[pf->lan_vsi])
de1017f7 165 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
2ddb80c9
SN		 166 pf->hw.mac.addr,
167 pf->hw.mac.san_addr,
168 pf->hw.mac.port_addr);
02e9c290
JB		 169 list_for_each_entry(f, &vsi->mac_filter_list, list) {
170 dev_info(&pf->pdev->dev,
c3c7ea27 171 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d, state %s\n",
02e9c290 172 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
c3c7ea27 173 f->counter, i40e_filter_state_string[f->state]);
02e9c290 174 }
c3c7ea27
MW		 175 dev_info(&pf->pdev->dev, " active_filters %d, promisc_threshold %d, overflow promisc %s\n",
176 vsi->active_filters, vsi->promisc_threshold,
177 (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ?
178 "ON" : "OFF"));
02e9c290
JB		 179 nstat = i40e_get_vsi_stats_struct(vsi);
180 dev_info(&pf->pdev->dev,
181 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
6995b36c
JB		 182 (unsigned long int)nstat->rx_packets,
183 (unsigned long int)nstat->rx_bytes,
184 (unsigned long int)nstat->rx_errors,
185 (unsigned long int)nstat->rx_dropped);
02e9c290
JB		 186 dev_info(&pf->pdev->dev,
187 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
6995b36c
JB		 188 (unsigned long int)nstat->tx_packets,
189 (unsigned long int)nstat->tx_bytes,
190 (unsigned long int)nstat->tx_errors,
191 (unsigned long int)nstat->tx_dropped);
02e9c290
JB		 192 dev_info(&pf->pdev->dev,
193 " net_stats: multicast = %lu, collisions = %lu\n",
6995b36c
JB		 194 (unsigned long int)nstat->multicast,
195 (unsigned long int)nstat->collisions);
02e9c290
JB		 196 dev_info(&pf->pdev->dev,
197 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
6995b36c
JB		 198 (unsigned long int)nstat->rx_length_errors,
199 (unsigned long int)nstat->rx_over_errors,
200 (unsigned long int)nstat->rx_crc_errors);
02e9c290
JB		 201 dev_info(&pf->pdev->dev,
202 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
6995b36c
JB		 203 (unsigned long int)nstat->rx_frame_errors,
204 (unsigned long int)nstat->rx_fifo_errors,
205 (unsigned long int)nstat->rx_missed_errors);
02e9c290
JB		 206 dev_info(&pf->pdev->dev,
207 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
6995b36c
JB		 208 (unsigned long int)nstat->tx_aborted_errors,
209 (unsigned long int)nstat->tx_carrier_errors,
210 (unsigned long int)nstat->tx_fifo_errors);
02e9c290
JB		 211 dev_info(&pf->pdev->dev,
212 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
6995b36c
JB		 213 (unsigned long int)nstat->tx_heartbeat_errors,
214 (unsigned long int)nstat->tx_window_errors);
02e9c290
JB		 215 dev_info(&pf->pdev->dev,
216 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
6995b36c
JB		 217 (unsigned long int)nstat->rx_compressed,
218 (unsigned long int)nstat->tx_compressed);
02e9c290
JB		 219 dev_info(&pf->pdev->dev,
220 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
6995b36c
JB		 221 (unsigned long int)vsi->net_stats_offsets.rx_packets,
222 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
223 (unsigned long int)vsi->net_stats_offsets.rx_errors,
224 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
02e9c290
JB		 225 dev_info(&pf->pdev->dev,
226 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
6995b36c
JB		 227 (unsigned long int)vsi->net_stats_offsets.tx_packets,
228 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
229 (unsigned long int)vsi->net_stats_offsets.tx_errors,
230 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
02e9c290
JB		 231 dev_info(&pf->pdev->dev,
232 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
6995b36c
JB		 233 (unsigned long int)vsi->net_stats_offsets.multicast,
234 (unsigned long int)vsi->net_stats_offsets.collisions);
02e9c290
JB		 235 dev_info(&pf->pdev->dev,
236 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
6995b36c
JB		 237 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
238 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
239 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
02e9c290
JB		 240 dev_info(&pf->pdev->dev,
241 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
6995b36c
JB		 242 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
243 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
244 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
02e9c290
JB		 245 dev_info(&pf->pdev->dev,
246 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
6995b36c
JB		 247 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
248 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
249 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
02e9c290
JB		 250 dev_info(&pf->pdev->dev,
251 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
6995b36c
JB		 252 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
253 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
02e9c290
JB		 254 dev_info(&pf->pdev->dev,
255 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
6995b36c
JB		 256 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
257 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
02e9c290
JB		 258 dev_info(&pf->pdev->dev,
259 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
260 vsi->tx_restart, vsi->tx_busy,
261 vsi->rx_buf_failed, vsi->rx_page_failed);
9f65e15b
AD		 262 rcu_read_lock();
263 for (i = 0; i < vsi->num_queue_pairs; i++) {
264 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
6995b36c 265
9f65e15b
AD		 266 if (!rx_ring)
267 continue;
268
269 dev_info(&pf->pdev->dev,
270 " rx_rings[%i]: desc = %p\n",
271 i, rx_ring->desc);
272 dev_info(&pf->pdev->dev,
273 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
274 i, rx_ring->dev,
275 rx_ring->netdev,
276 rx_ring->rx_bi);
277 dev_info(&pf->pdev->dev,
278 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
279 i, rx_ring->state,
280 rx_ring->queue_index,
281 rx_ring->reg_idx);
282 dev_info(&pf->pdev->dev,
1a557afc
JB		 283 " rx_rings[%i]: rx_buf_len = %d\n",
284 i, rx_ring->rx_buf_len);
9f65e15b 285 dev_info(&pf->pdev->dev,
b32bfa17
JB		 286 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
287 i,
9f65e15b
AD		 288 rx_ring->next_to_use,
289 rx_ring->next_to_clean,
290 rx_ring->ring_active);
291 dev_info(&pf->pdev->dev,
292 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
293 i, rx_ring->stats.packets,
294 rx_ring->stats.bytes,
295 rx_ring->rx_stats.non_eop_descs);
296 dev_info(&pf->pdev->dev,
420136cc 297 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
9f65e15b 298 i,
420136cc
MW		 299 rx_ring->rx_stats.alloc_page_failed,
300 rx_ring->rx_stats.alloc_buff_failed);
f16704e5
MW		 301 dev_info(&pf->pdev->dev,
302 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
303 i,
304 rx_ring->rx_stats.realloc_count,
305 rx_ring->rx_stats.page_reuse_count);
9f65e15b
AD		 306 dev_info(&pf->pdev->dev,
307 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
308 i, rx_ring->size,
6995b36c 309 (unsigned long int)rx_ring->dma);
9f65e15b
AD		 310 dev_info(&pf->pdev->dev,
311 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
312 i, rx_ring->vsi,
313 rx_ring->q_vector);
a75e8005
KL		 314 dev_info(&pf->pdev->dev,
315 " rx_rings[%i]: rx_itr_setting = %d (%s)\n",
316 i, rx_ring->rx_itr_setting,
317 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
02e9c290 318 }
9f65e15b
AD		 319 for (i = 0; i < vsi->num_queue_pairs; i++) {
320 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
6995b36c 321
9f65e15b
AD		 322 if (!tx_ring)
323 continue;
1b60f3c4 324
9f65e15b
AD		 325 dev_info(&pf->pdev->dev,
326 " tx_rings[%i]: desc = %p\n",
327 i, tx_ring->desc);
328 dev_info(&pf->pdev->dev,
329 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
330 i, tx_ring->dev,
331 tx_ring->netdev,
332 tx_ring->tx_bi);
333 dev_info(&pf->pdev->dev,
334 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
335 i, tx_ring->state,
336 tx_ring->queue_index,
337 tx_ring->reg_idx);
9f65e15b 338 dev_info(&pf->pdev->dev,
4668607a
MW		 339 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
340 i,
9f65e15b
AD		 341 tx_ring->next_to_use,
342 tx_ring->next_to_clean,
343 tx_ring->ring_active);
344 dev_info(&pf->pdev->dev,
345 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
346 i, tx_ring->stats.packets,
347 tx_ring->stats.bytes,
348 tx_ring->tx_stats.restart_queue);
349 dev_info(&pf->pdev->dev,
350 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
351 i,
352 tx_ring->tx_stats.tx_busy,
353 tx_ring->tx_stats.tx_done_old);
354 dev_info(&pf->pdev->dev,
355 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
356 i, tx_ring->size,
6995b36c 357 (unsigned long int)tx_ring->dma);
9f65e15b
AD		 358 dev_info(&pf->pdev->dev,
359 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
360 i, tx_ring->vsi,
361 tx_ring->q_vector);
362 dev_info(&pf->pdev->dev,
363 " tx_rings[%i]: DCB tc = %d\n",
364 i, tx_ring->dcb_tc);
a75e8005
KL		 365 dev_info(&pf->pdev->dev,
366 " tx_rings[%i]: tx_itr_setting = %d (%s)\n",
367 i, tx_ring->tx_itr_setting,
368 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
02e9c290 369 }
9f65e15b 370 rcu_read_unlock();
02e9c290 371 dev_info(&pf->pdev->dev,
a75e8005
KL		 372 " work_limit = %d\n",
373 vsi->work_limit);
02e9c290 374 dev_info(&pf->pdev->dev,
1a557afc 375 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
bec60fc4 376 vsi->max_frame, vsi->rx_buf_len, 0);
02e9c290
JB		 377 dev_info(&pf->pdev->dev,
378 " num_q_vectors = %i, base_vector = %i\n",
379 vsi->num_q_vectors, vsi->base_vector);
380 dev_info(&pf->pdev->dev,
381 " seid = %d, id = %d, uplink_seid = %d\n",
382 vsi->seid, vsi->id, vsi->uplink_seid);
383 dev_info(&pf->pdev->dev,
384 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
385 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
387 dev_info(&pf->pdev->dev,
388 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
389 vsi->info.valid_sections, vsi->info.switch_id);
390 dev_info(&pf->pdev->dev,
391 " info: sw_reserved[] = 0x%02x 0x%02x\n",
392 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
393 dev_info(&pf->pdev->dev,
394 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
395 vsi->info.sec_flags, vsi->info.sec_reserved);
396 dev_info(&pf->pdev->dev,
397 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
398 vsi->info.pvid, vsi->info.fcoe_pvid,
399 vsi->info.port_vlan_flags);
400 dev_info(&pf->pdev->dev,
401 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
402 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
403 vsi->info.pvlan_reserved[2]);
404 dev_info(&pf->pdev->dev,
405 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
406 vsi->info.ingress_table, vsi->info.egress_table);
407 dev_info(&pf->pdev->dev,
408 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
409 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
410 vsi->info.cas_pv_reserved);
411 dev_info(&pf->pdev->dev,
412 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
413 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
414 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
415 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
416 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
417 dev_info(&pf->pdev->dev,
418 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
419 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
420 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
421 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
422 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
423 dev_info(&pf->pdev->dev,
424 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
425 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
426 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
427 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
428 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
429 dev_info(&pf->pdev->dev,
430 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
431 vsi->info.queueing_opt_flags,
432 vsi->info.queueing_opt_reserved[0],
433 vsi->info.queueing_opt_reserved[1],
434 vsi->info.queueing_opt_reserved[2]);
435 dev_info(&pf->pdev->dev,
436 " info: up_enable_bits = 0x%02x\n",
437 vsi->info.up_enable_bits);
438 dev_info(&pf->pdev->dev,
439 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
440 vsi->info.sched_reserved, vsi->info.outer_up_table);
441 dev_info(&pf->pdev->dev,
442 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
443 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
444 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
445 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
446 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
447 dev_info(&pf->pdev->dev,
448 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
449 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
450 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
451 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
452 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
453 dev_info(&pf->pdev->dev,
454 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
455 vsi->info.stat_counter_idx, vsi->info.sched_id);
456 dev_info(&pf->pdev->dev,
457 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
458 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
459 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
460 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
461 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
462 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
463 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
464 if (vsi->back)
b40c82e6 465 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
02e9c290
JB		 466 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
467 dev_info(&pf->pdev->dev,
468 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
469 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
470 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
471 dev_info(&pf->pdev->dev,
472 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
473 i, vsi->tc_config.tc_info[i].qoffset,
474 vsi->tc_config.tc_info[i].qcount,
475 vsi->tc_config.tc_info[i].netdev_tc);
476 }
477 dev_info(&pf->pdev->dev,
478 " bw: bw_limit = %d, bw_max_quanta = %d\n",
479 vsi->bw_limit, vsi->bw_max_quanta);
480 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
481 dev_info(&pf->pdev->dev,
482 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
483 i, vsi->bw_ets_share_credits[i],
484 vsi->bw_ets_limit_credits[i],
485 vsi->bw_ets_max_quanta[i]);
486 }
38e00438
VD		 487#ifdef I40E_FCOE
488 if (vsi->type == I40E_VSI_FCOE) {
489 dev_info(&pf->pdev->dev,
490 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
491 vsi->fcoe_stats.rx_fcoe_packets,
492 vsi->fcoe_stats.rx_fcoe_dwords,
493 vsi->fcoe_stats.rx_fcoe_dropped);
494 dev_info(&pf->pdev->dev,
495 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
496 vsi->fcoe_stats.tx_fcoe_packets,
497 vsi->fcoe_stats.tx_fcoe_dwords);
498 dev_info(&pf->pdev->dev,
499 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
500 vsi->fcoe_stats.fcoe_bad_fccrc,
501 vsi->fcoe_stats.fcoe_last_error);
502 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
503 vsi->fcoe_stats.fcoe_ddp_count);
504 }
505#endif
02e9c290
JB		 506}
507
508/**
509 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
510 * @pf: the i40e_pf created in command write
511 **/
512static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
513{
514 struct i40e_adminq_ring *ring;
515 struct i40e_hw *hw = &pf->hw;
e625f71b 516 char hdr[32];
02e9c290
JB		 517 int i;
518
e625f71b
SN		 519 snprintf(hdr, sizeof(hdr), "%s %s: ",
520 dev_driver_string(&pf->pdev->dev),
521 dev_name(&pf->pdev->dev));
522
02e9c290
JB		 523 /* first the send (command) ring, then the receive (event) ring */
524 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
525 ring = &(hw->aq.asq);
526 for (i = 0; i < ring->count; i++) {
527 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
6995b36c 528
02e9c290
JB		 529 dev_info(&pf->pdev->dev,
530 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
531 i, d->flags, d->opcode, d->datalen, d->retval,
532 d->cookie_high, d->cookie_low);
e625f71b
SN		 533 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
534 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 535 }
536
537 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
538 ring = &(hw->aq.arq);
539 for (i = 0; i < ring->count; i++) {
540 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
6995b36c 541
02e9c290
JB		 542 dev_info(&pf->pdev->dev,
543 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
544 i, d->flags, d->opcode, d->datalen, d->retval,
545 d->cookie_high, d->cookie_low);
e625f71b
SN		 546 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
547 16, 1, d->params.raw, 16, 0);
02e9c290
JB		 548 }
549}
550
551/**
552 * i40e_dbg_dump_desc - handles dump desc write into command datum
553 * @cnt: number of arguments that the user supplied
554 * @vsi_seid: vsi id entered by user
555 * @ring_id: ring id entered by user
556 * @desc_n: descriptor number entered by user
557 * @pf: the i40e_pf created in command write
558 * @is_rx_ring: true if rx, false if tx
559 **/
560static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
561 struct i40e_pf *pf, bool is_rx_ring)
562{
68bf94aa
SN		 563 struct i40e_tx_desc *txd;
564 union i40e_rx_desc *rxd;
e6c97234 565 struct i40e_ring *ring;
02e9c290
JB		 566 struct i40e_vsi *vsi;
567 int i;
568
569 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
570 if (!vsi) {
7792fe4f 571 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
02e9c290
JB		 572 return;
573 }
574 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
575 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
02e9c290
JB		 576 return;
577 }
68bf94aa 578 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
29d0790e
SN		 579 dev_info(&pf->pdev->dev,
580 "descriptor rings have not been allocated for vsi %d\n",
581 vsi_seid);
582 return;
583 }
e6c97234
JP		 584
585 ring = kmemdup(is_rx_ring
586 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
587 sizeof(*ring), GFP_KERNEL);
588 if (!ring)
589 return;
590
02e9c290
JB		 591 if (cnt == 2) {
592 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
593 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
e6c97234 594 for (i = 0; i < ring->count; i++) {
68bf94aa 595 if (!is_rx_ring) {
e6c97234 596 txd = I40E_TX_DESC(ring, i);
02e9c290 597 dev_info(&pf->pdev->dev,
13cb3e9d 598 " d[%03x] = 0x%016llx 0x%016llx\n",
68bf94aa
SN		 599 i, txd->buffer_addr,
600 txd->cmd_type_offset_bsz);
68bf94aa 601 } else {
e6c97234 602 rxd = I40E_RX_DESC(ring, i);
02e9c290 603 dev_info(&pf->pdev->dev,
13cb3e9d 604 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 605 i, rxd->read.pkt_addr,
606 rxd->read.hdr_addr,
607 rxd->read.rsvd1, rxd->read.rsvd2);
608 }
02e9c290
JB		 609 }
610 } else if (cnt == 3) {
e6c97234 611 if (desc_n >= ring->count || desc_n < 0) {
02e9c290
JB		 612 dev_info(&pf->pdev->dev,
613 "descriptor %d not found\n", desc_n);
e3fe44c7 614 goto out;
02e9c290 615 }
68bf94aa 616 if (!is_rx_ring) {
e6c97234 617 txd = I40E_TX_DESC(ring, desc_n);
02e9c290 618 dev_info(&pf->pdev->dev,
13cb3e9d 619 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
68bf94aa
SN		 620 vsi_seid, ring_id, desc_n,
621 txd->buffer_addr, txd->cmd_type_offset_bsz);
68bf94aa 622 } else {
e6c97234 623 rxd = I40E_RX_DESC(ring, desc_n);
02e9c290 624 dev_info(&pf->pdev->dev,
13cb3e9d 625 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
68bf94aa
SN		 626 vsi_seid, ring_id, desc_n,
627 rxd->read.pkt_addr, rxd->read.hdr_addr,
628 rxd->read.rsvd1, rxd->read.rsvd2);
629 }
02e9c290 630 } else {
7792fe4f 631 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
02e9c290 632 }
e3fe44c7
JP		 633
634out:
e6c97234 635 kfree(ring);
02e9c290
JB		 636}
637
638/**
639 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
640 * @pf: the i40e_pf created in command write
641 **/
642static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
643{
644 int i;
645
505682cd 646 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 647 if (pf->vsi[i])
648 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
649 i, pf->vsi[i]->seid);
650}
651
652/**
653 * i40e_dbg_dump_stats - handles dump stats write into command datum
654 * @pf: the i40e_pf created in command write
655 * @estats: the eth stats structure to be dumped
656 **/
657static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
658 struct i40e_eth_stats *estats)
659{
660 dev_info(&pf->pdev->dev, " ethstats:\n");
661 dev_info(&pf->pdev->dev,
662 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
663 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
664 dev_info(&pf->pdev->dev,
03da6f6a
SN		 665 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
666 estats->rx_broadcast, estats->rx_discards);
02e9c290 667 dev_info(&pf->pdev->dev,
03da6f6a
SN		 668 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
669 estats->rx_unknown_protocol, estats->tx_bytes);
02e9c290
JB		 670 dev_info(&pf->pdev->dev,
671 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
672 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
673 dev_info(&pf->pdev->dev,
674 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
675 estats->tx_discards, estats->tx_errors);
676}
677
02e9c290
JB		 678/**
679 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
680 * @pf: the i40e_pf created in command write
681 * @seid: the seid the user put in
682 **/
683static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
684{
685 struct i40e_veb *veb;
686
02e9c290
JB		 687 veb = i40e_dbg_find_veb(pf, seid);
688 if (!veb) {
e625f71b 689 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
02e9c290
JB		 690 return;
691 }
692 dev_info(&pf->pdev->dev,
51616018 693 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
02e9c290 694 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
51616018
NP		 695 veb->uplink_seid,
696 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
02e9c290
JB		 697 i40e_dbg_dump_eth_stats(pf, &veb->stats);
698}
699
700/**
701 * i40e_dbg_dump_veb_all - dumps all known veb's stats
702 * @pf: the i40e_pf created in command write
703 **/
704static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
705{
706 struct i40e_veb *veb;
707 int i;
708
709 for (i = 0; i < I40E_MAX_VEB; i++) {
710 veb = pf->veb[i];
711 if (veb)
712 i40e_dbg_dump_veb_seid(pf, veb->seid);
713 }
714}
715
716#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
717/**
718 * i40e_dbg_command_write - write into command datum
719 * @filp: the opened file
720 * @buffer: where to find the user's data
721 * @count: the length of the user's data
722 * @ppos: file position offset
723 **/
724static ssize_t i40e_dbg_command_write(struct file *filp,
725 const char __user *buffer,
726 size_t count, loff_t *ppos)
727{
728 struct i40e_pf *pf = filp->private_data;
004173cb 729 char *cmd_buf, *cmd_buf_tmp;
02e9c290
JB		 730 int bytes_not_copied;
731 struct i40e_vsi *vsi;
02e9c290
JB		 732 int vsi_seid;
733 int veb_seid;
734 int cnt;
735
736 /* don't allow partial writes */
737 if (*ppos != 0)
738 return 0;
739
740 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
741 if (!cmd_buf)
742 return count;
743 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
0286c67e 744 if (bytes_not_copied) {
dda094a3 745 kfree(cmd_buf);
0286c67e 746 return -EFAULT;
dda094a3 747 }
02e9c290
JB		 748 cmd_buf[count] = '\0';
749
004173cb
JB		 750 cmd_buf_tmp = strchr(cmd_buf, '\n');
751 if (cmd_buf_tmp) {
752 *cmd_buf_tmp = '\0';
753 count = cmd_buf_tmp - cmd_buf + 1;
754 }
755
02e9c290
JB		 756 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
757 vsi_seid = -1;
758 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
759 if (cnt == 0) {
760 /* default to PF VSI */
761 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
762 } else if (vsi_seid < 0) {
763 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
764 vsi_seid);
765 goto command_write_done;
766 }
767
fc60861e
ASJ		 768 /* By default we are in VEPA mode, if this is the first VF/VMDq
769 * VSI to be added switch to VEB mode.
770 */
771 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
772 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
773 i40e_do_reset_safe(pf,
774 BIT_ULL(__I40E_PF_RESET_REQUESTED));
775 }
776
02e9c290
JB		 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) {
6995b36c
JB		 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 }
02e9c290
JB		 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,
c07019e4 822 "add relay: VSI %d not found\n", vsi_seid);
02e9c290
JB		 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
871 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
02e9c290 872 struct i40e_mac_filter *f;
738a9e9b
SN		 873 int vlan = 0;
874 u8 ma[6];
02e9c290
JB		 875 int ret;
876
877 cnt = sscanf(&cmd_buf[11],
878 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
879 &vsi_seid,
880 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
881 &vlan);
882 if (cnt == 7) {
883 vlan = 0;
884 } else if (cnt != 8) {
885 dev_info(&pf->pdev->dev,
886 "add macaddr: bad command string, cnt=%d\n",
887 cnt);
888 goto command_write_done;
889 }
890
891 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
892 if (!vsi) {
893 dev_info(&pf->pdev->dev,
894 "add macaddr: VSI %d not found\n", vsi_seid);
895 goto command_write_done;
896 }
897
10dc0358 898 spin_lock_bh(&vsi->mac_filter_list_lock);
02e9c290 899 f = i40e_add_filter(vsi, ma, vlan, false, false);
10dc0358 900 spin_unlock_bh(&vsi->mac_filter_list_lock);
17652c63 901 ret = i40e_sync_vsi_filters(vsi);
02e9c290
JB		 902 if (f && !ret)
903 dev_info(&pf->pdev->dev,
904 "add macaddr: %pM vlan=%d added to VSI %d\n",
905 ma, vlan, vsi_seid);
906 else
907 dev_info(&pf->pdev->dev,
908 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
909 ma, vlan, vsi_seid, f, ret);
910
911 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
02e9c290 912 int vlan = 0;
738a9e9b 913 u8 ma[6];
02e9c290
JB		 914 int ret;
915
916 cnt = sscanf(&cmd_buf[11],
917 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
918 &vsi_seid,
919 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
920 &vlan);
921 if (cnt == 7) {
922 vlan = 0;
923 } else if (cnt != 8) {
924 dev_info(&pf->pdev->dev,
925 "del macaddr: bad command string, cnt=%d\n",
926 cnt);
927 goto command_write_done;
928 }
929
930 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
931 if (!vsi) {
932 dev_info(&pf->pdev->dev,
933 "del macaddr: VSI %d not found\n", vsi_seid);
934 goto command_write_done;
935 }
936
10dc0358 937 spin_lock_bh(&vsi->mac_filter_list_lock);
02e9c290 938 i40e_del_filter(vsi, ma, vlan, false, false);
10dc0358 939 spin_unlock_bh(&vsi->mac_filter_list_lock);
17652c63 940 ret = i40e_sync_vsi_filters(vsi);
02e9c290
JB		 941 if (!ret)
942 dev_info(&pf->pdev->dev,
943 "del macaddr: %pM vlan=%d removed from VSI %d\n",
944 ma, vlan, vsi_seid);
945 else
946 dev_info(&pf->pdev->dev,
947 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
948 ma, vlan, vsi_seid, ret);
949
950 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
02e9c290 951 i40e_status ret;
738a9e9b 952 u16 vid;
efe1ac25 953 unsigned int v;
02e9c290
JB		 954
955 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
956 if (cnt != 2) {
957 dev_info(&pf->pdev->dev,
958 "add pvid: bad command string, cnt=%d\n", cnt);
959 goto command_write_done;
960 }
961
962 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
963 if (!vsi) {
964 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
965 vsi_seid);
966 goto command_write_done;
967 }
968
efe1ac25 969 vid = v;
02e9c290
JB		 970 ret = i40e_vsi_add_pvid(vsi, vid);
971 if (!ret)
972 dev_info(&pf->pdev->dev,
973 "add pvid: %d added to VSI %d\n",
974 vid, vsi_seid);
975 else
976 dev_info(&pf->pdev->dev,
977 "add pvid: %d to VSI %d failed, ret=%d\n",
978 vid, vsi_seid, ret);
979
980 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
981
982 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
983 if (cnt != 1) {
984 dev_info(&pf->pdev->dev,
985 "del pvid: bad command string, cnt=%d\n",
986 cnt);
987 goto command_write_done;
988 }
989
990 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
991 if (!vsi) {
992 dev_info(&pf->pdev->dev,
993 "del pvid: VSI %d not found\n", vsi_seid);
994 goto command_write_done;
995 }
996
997 i40e_vsi_remove_pvid(vsi);
998 dev_info(&pf->pdev->dev,
999 "del pvid: removed from VSI %d\n", vsi_seid);
1000
1001 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1002 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1003 i40e_fetch_switch_configuration(pf, true);
1004 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1005 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1006 if (cnt > 0)
1007 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1008 else
1009 i40e_dbg_dump_vsi_no_seid(pf);
1010 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1011 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1012 if (cnt > 0)
1013 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1014 else
1015 i40e_dbg_dump_veb_all(pf);
1016 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1017 int ring_id, desc_n;
1018 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1019 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1020 &vsi_seid, &ring_id, &desc_n);
1021 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1022 desc_n, pf, true);
1023 } else if (strncmp(&cmd_buf[10], "tx", 2)
1024 == 0) {
1025 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1026 &vsi_seid, &ring_id, &desc_n);
1027 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1028 desc_n, pf, false);
1029 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1030 i40e_dbg_dump_aq_desc(pf);
1031 } else {
1032 dev_info(&pf->pdev->dev,
1033 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1034 dev_info(&pf->pdev->dev,
1035 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1036 dev_info(&pf->pdev->dev, "dump desc aq\n");
1037 }
02e9c290
JB		 1038 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1039 dev_info(&pf->pdev->dev,
1040 "core reset count: %d\n", pf->corer_count);
1041 dev_info(&pf->pdev->dev,
1042 "global reset count: %d\n", pf->globr_count);
1043 dev_info(&pf->pdev->dev,
1044 "emp reset count: %d\n", pf->empr_count);
1045 dev_info(&pf->pdev->dev,
1046 "pf reset count: %d\n", pf->pfr_count);
810b3ae4
ASJ		 1047 dev_info(&pf->pdev->dev,
1048 "pf tx sluggish count: %d\n",
1049 pf->tx_sluggish_count);
02e9c290
JB		 1050 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1051 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1052 struct i40e_dcbx_config *cfg =
1053 &pf->hw.local_dcbx_config;
1054 struct i40e_dcbx_config *r_cfg =
1055 &pf->hw.remote_dcbx_config;
1056 int i, ret;
1057
1058 bw_data = kzalloc(sizeof(
1059 struct i40e_aqc_query_port_ets_config_resp),
1060 GFP_KERNEL);
1061 if (!bw_data) {
1062 ret = -ENOMEM;
1063 goto command_write_done;
1064 }
1065
1066 ret = i40e_aq_query_port_ets_config(&pf->hw,
1067 pf->mac_seid,
1068 bw_data, NULL);
1069 if (ret) {
1070 dev_info(&pf->pdev->dev,
1071 "Query Port ETS Config AQ command failed =0x%x\n",
1072 pf->hw.aq.asq_last_status);
1073 kfree(bw_data);
1074 bw_data = NULL;
1075 goto command_write_done;
1076 }
1077 dev_info(&pf->pdev->dev,
1078 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1079 bw_data->tc_valid_bits,
1080 bw_data->tc_strict_priority_bits,
1081 le16_to_cpu(bw_data->tc_bw_max[0]),
1082 le16_to_cpu(bw_data->tc_bw_max[1]));
1083 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1084 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1085 bw_data->tc_bw_share_credits[i],
1086 le16_to_cpu(bw_data->tc_bw_limits[i]));
1087 }
1088
1089 kfree(bw_data);
1090 bw_data = NULL;
1091
9fa61dd2
NP		 1092 dev_info(&pf->pdev->dev,
1093 "port dcbx_mode=%d\n", cfg->dcbx_mode);
02e9c290
JB		 1094 dev_info(&pf->pdev->dev,
1095 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1096 cfg->etscfg.willing, cfg->etscfg.cbs,
1097 cfg->etscfg.maxtcs);
1098 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1099 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1100 i, cfg->etscfg.prioritytable[i],
1101 cfg->etscfg.tcbwtable[i],
1102 cfg->etscfg.tsatable[i]);
1103 }
1104 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1105 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1106 i, cfg->etsrec.prioritytable[i],
1107 cfg->etsrec.tcbwtable[i],
1108 cfg->etsrec.tsatable[i]);
1109 }
1110 dev_info(&pf->pdev->dev,
1111 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1112 cfg->pfc.willing, cfg->pfc.mbc,
1113 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1114 dev_info(&pf->pdev->dev,
1115 "port app_table: num_apps=%d\n", cfg->numapps);
1116 for (i = 0; i < cfg->numapps; i++) {
1117 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1118 i, cfg->app[i].priority,
1119 cfg->app[i].selector,
1120 cfg->app[i].protocolid);
1121 }
1122 /* Peer TLV DCBX data */
1123 dev_info(&pf->pdev->dev,
1124 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1125 r_cfg->etscfg.willing,
1126 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1127 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1128 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1129 i, r_cfg->etscfg.prioritytable[i],
1130 r_cfg->etscfg.tcbwtable[i],
1131 r_cfg->etscfg.tsatable[i]);
1132 }
1133 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1134 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1135 i, r_cfg->etsrec.prioritytable[i],
1136 r_cfg->etsrec.tcbwtable[i],
1137 r_cfg->etsrec.tsatable[i]);
1138 }
1139 dev_info(&pf->pdev->dev,
1140 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1141 r_cfg->pfc.willing,
1142 r_cfg->pfc.mbc,
1143 r_cfg->pfc.pfccap,
1144 r_cfg->pfc.pfcenable);
1145 dev_info(&pf->pdev->dev,
1146 "remote port app_table: num_apps=%d\n",
1147 r_cfg->numapps);
1148 for (i = 0; i < r_cfg->numapps; i++) {
1149 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1150 i, r_cfg->app[i].priority,
1151 r_cfg->app[i].selector,
1152 r_cfg->app[i].protocolid);
1153 }
3169c323
JB		 1154 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1155 int cluster_id, table_id;
1156 int index, ret;
1157 u16 buff_len = 4096;
1158 u32 next_index;
1159 u8 next_table;
1160 u8 *buff;
1161 u16 rlen;
1162
1163 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1164 &cluster_id, &table_id, &index);
1165 if (cnt != 3) {
1166 dev_info(&pf->pdev->dev,
1167 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1168 goto command_write_done;
1169 }
1170
1171 dev_info(&pf->pdev->dev,
1172 "AQ debug dump fwdata params %x %x %x %x\n",
1173 cluster_id, table_id, index, buff_len);
1174 buff = kzalloc(buff_len, GFP_KERNEL);
1175 if (!buff)
1176 goto command_write_done;
1177
1178 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1179 index, buff_len, buff, &rlen,
1180 &next_table, &next_index,
1181 NULL);
1182 if (ret) {
1183 dev_info(&pf->pdev->dev,
1184 "debug dump fwdata AQ Failed %d 0x%x\n",
1185 ret, pf->hw.aq.asq_last_status);
1186 kfree(buff);
1187 buff = NULL;
1188 goto command_write_done;
1189 }
1190 dev_info(&pf->pdev->dev,
1191 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1192 rlen, next_table, next_index);
1193 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1194 DUMP_PREFIX_OFFSET, 16, 1,
1195 buff, rlen, true);
1196 kfree(buff);
1197 buff = NULL;
02e9c290
JB		 1198 } else {
1199 dev_info(&pf->pdev->dev,
1200 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
7204a785
SN		 1201 dev_info(&pf->pdev->dev, "dump switch\n");
1202 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
02e9c290
JB		 1203 dev_info(&pf->pdev->dev, "dump reset stats\n");
1204 dev_info(&pf->pdev->dev, "dump port\n");
1205 dev_info(&pf->pdev->dev,
1206 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1207 }
1208
1209 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1210 u32 level;
1211 cnt = sscanf(&cmd_buf[10], "%i", &level);
1212 if (cnt) {
1213 if (I40E_DEBUG_USER & level) {
1214 pf->hw.debug_mask = level;
1215 dev_info(&pf->pdev->dev,
1216 "set hw.debug_mask = 0x%08x\n",
1217 pf->hw.debug_mask);
1218 }
1219 pf->msg_enable = level;
1220 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1221 pf->msg_enable);
1222 } else {
1223 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1224 pf->msg_enable);
1225 }
1226 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
69bfb110 1227 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
41a1d04b 1228 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
02e9c290
JB		 1229
1230 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
69bfb110 1231 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
41a1d04b 1232 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
02e9c290
JB		 1233
1234 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
69bfb110 1235 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
41a1d04b 1236 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
02e9c290 1237
7823fe34 1238 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
69bfb110 1239 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
41a1d04b 1240 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
7823fe34 1241
02e9c290
JB		 1242 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1243 u32 address;
1244 u32 value;
6995b36c 1245
2706a20e 1246 cnt = sscanf(&cmd_buf[4], "%i", &address);
02e9c290
JB		 1247 if (cnt != 1) {
1248 dev_info(&pf->pdev->dev, "read <reg>\n");
1249 goto command_write_done;
1250 }
1251
1252 /* check the range on address */
2ac8b675
SN		 1253 if (address > (pf->ioremap_len - sizeof(u32))) {
1254 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
e88ae667 1255 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
02e9c290
JB		 1256 goto command_write_done;
1257 }
1258
1259 value = rd32(&pf->hw, address);
1260 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1261 address, value);
1262
1263 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1264 u32 address, value;
6995b36c 1265
2706a20e 1266 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
02e9c290
JB		 1267 if (cnt != 2) {
1268 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1269 goto command_write_done;
1270 }
1271
1272 /* check the range on address */
2ac8b675
SN		 1273 if (address > (pf->ioremap_len - sizeof(u32))) {
1274 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
e88ae667 1275 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
02e9c290
JB		 1276 goto command_write_done;
1277 }
1278 wr32(&pf->hw, address, value);
1279 value = rd32(&pf->hw, address);
1280 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1281 address, value);
1282 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1283 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
2706a20e 1284 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
02e9c290
JB		 1285 if (cnt == 0) {
1286 int i;
6995b36c 1287
505682cd 1288 for (i = 0; i < pf->num_alloc_vsi; i++)
02e9c290
JB		 1289 i40e_vsi_reset_stats(pf->vsi[i]);
1290 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1291 } else if (cnt == 1) {
1292 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1293 if (!vsi) {
1294 dev_info(&pf->pdev->dev,
1295 "clear_stats vsi: bad vsi %d\n",
1296 vsi_seid);
1297 goto command_write_done;
1298 }
1299 i40e_vsi_reset_stats(vsi);
1300 dev_info(&pf->pdev->dev,
1301 "vsi clear stats called for vsi %d\n",
1302 vsi_seid);
1303 } else {
1304 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1305 }
694dc1cb
SN		 1306 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1307 if (pf->hw.partition_id == 1) {
1308 i40e_pf_reset_stats(pf);
1309 dev_info(&pf->pdev->dev, "port stats cleared\n");
1310 } else {
1311 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1312 }
02e9c290 1313 } else {
694dc1cb 1314 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
02e9c290 1315 }
f1143c4b
ASJ		 1316 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1317 struct i40e_aq_desc *desc;
1318 i40e_status ret;
1319
1320 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1321 if (!desc)
1322 goto command_write_done;
1323 cnt = sscanf(&cmd_buf[11],
fbe82101 1324 "%hi %hi %hi %hi %i %i %i %i %i %i",
f1143c4b
ASJ		 1325 &desc->flags,
1326 &desc->opcode, &desc->datalen, &desc->retval,
1327 &desc->cookie_high, &desc->cookie_low,
1328 &desc->params.internal.param0,
1329 &desc->params.internal.param1,
1330 &desc->params.internal.param2,
1331 &desc->params.internal.param3);
1332 if (cnt != 10) {
1333 dev_info(&pf->pdev->dev,
1334 "send aq_cmd: bad command string, cnt=%d\n",
1335 cnt);
1336 kfree(desc);
1337 desc = NULL;
1338 goto command_write_done;
1339 }
1340 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1341 if (!ret) {
1342 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1343 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1344 dev_info(&pf->pdev->dev,
1345 "AQ command send failed Opcode %x AQ Error: %d\n",
1346 desc->opcode, pf->hw.aq.asq_last_status);
1347 } else {
1348 dev_info(&pf->pdev->dev,
1349 "AQ command send failed Opcode %x Status: %d\n",
1350 desc->opcode, ret);
1351 }
1352 dev_info(&pf->pdev->dev,
1353 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1354 desc->flags, desc->opcode, desc->datalen, desc->retval,
1355 desc->cookie_high, desc->cookie_low,
1356 desc->params.internal.param0,
1357 desc->params.internal.param1,
1358 desc->params.internal.param2,
1359 desc->params.internal.param3);
1360 kfree(desc);
1361 desc = NULL;
1362 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1363 struct i40e_aq_desc *desc;
1364 i40e_status ret;
1365 u16 buffer_len;
1366 u8 *buff;
1367
1368 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1369 if (!desc)
1370 goto command_write_done;
1371 cnt = sscanf(&cmd_buf[20],
fbe82101 1372 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
f1143c4b
ASJ		 1373 &desc->flags,
1374 &desc->opcode, &desc->datalen, &desc->retval,
1375 &desc->cookie_high, &desc->cookie_low,
1376 &desc->params.internal.param0,
1377 &desc->params.internal.param1,
1378 &desc->params.internal.param2,
1379 &desc->params.internal.param3,
1380 &buffer_len);
1381 if (cnt != 11) {
1382 dev_info(&pf->pdev->dev,
1383 "send indirect aq_cmd: bad command string, cnt=%d\n",
1384 cnt);
1385 kfree(desc);
1386 desc = NULL;
1387 goto command_write_done;
1388 }
1389 /* Just stub a buffer big enough in case user messed up */
1390 if (buffer_len == 0)
1391 buffer_len = 1280;
1392
1393 buff = kzalloc(buffer_len, GFP_KERNEL);
1394 if (!buff) {
1395 kfree(desc);
1396 desc = NULL;
1397 goto command_write_done;
1398 }
1399 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1400 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1401 buffer_len, NULL);
1402 if (!ret) {
1403 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1404 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1405 dev_info(&pf->pdev->dev,
1406 "AQ command send failed Opcode %x AQ Error: %d\n",
1407 desc->opcode, pf->hw.aq.asq_last_status);
1408 } else {
1409 dev_info(&pf->pdev->dev,
1410 "AQ command send failed Opcode %x Status: %d\n",
1411 desc->opcode, ret);
1412 }
1413 dev_info(&pf->pdev->dev,
1414 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1415 desc->flags, desc->opcode, desc->datalen, desc->retval,
1416 desc->cookie_high, desc->cookie_low,
1417 desc->params.internal.param0,
1418 desc->params.internal.param1,
1419 desc->params.internal.param2,
1420 desc->params.internal.param3);
1421 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1422 DUMP_PREFIX_OFFSET, 16, 1,
1423 buff, buffer_len, true);
1424 kfree(buff);
1425 buff = NULL;
1426 kfree(desc);
1427 desc = NULL;
02e9c290
JB		 1428 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1429 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
17a73f6b 1430 struct i40e_fdir_filter fd_data;
02e9c290
JB		 1431 u16 packet_len, i, j = 0;
1432 char *asc_packet;
17a73f6b 1433 u8 *raw_packet;
02e9c290 1434 bool add = false;
738a9e9b 1435 int ret;
02e9c290 1436
55a5e60b
ASJ		 1437 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1438 goto command_write_done;
1439
1440 if (strncmp(cmd_buf, "add", 3) == 0)
1441 add = true;
1442
1443 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1444 goto command_write_done;
1445
17a73f6b 1446 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
02e9c290
JB		 1447 GFP_KERNEL);
1448 if (!asc_packet)
1449 goto command_write_done;
1450
17a73f6b
JG		 1451 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1452 GFP_KERNEL);
02e9c290 1453
17a73f6b 1454 if (!raw_packet) {
02e9c290
JB		 1455 kfree(asc_packet);
1456 asc_packet = NULL;
1457 goto command_write_done;
1458 }
1459
02e9c290 1460 cnt = sscanf(&cmd_buf[13],
5561b6a1 1461 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
02e9c290
JB		 1462 &fd_data.q_index,
1463 &fd_data.flex_off, &fd_data.pctype,
1464 &fd_data.dest_vsi, &fd_data.dest_ctl,
1465 &fd_data.fd_status, &fd_data.cnt_index,
1466 &fd_data.fd_id, &packet_len, asc_packet);
1467 if (cnt != 10) {
1468 dev_info(&pf->pdev->dev,
1469 "program fd_filter: bad command string, cnt=%d\n",
1470 cnt);
1471 kfree(asc_packet);
1472 asc_packet = NULL;
17a73f6b 1473 kfree(raw_packet);
02e9c290
JB		 1474 goto command_write_done;
1475 }
1476
1477 /* fix packet length if user entered 0 */
1478 if (packet_len == 0)
17a73f6b 1479 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
02e9c290
JB		 1480
1481 /* make sure to check the max as well */
1482 packet_len = min_t(u16,
17a73f6b 1483 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
02e9c290 1484
02e9c290 1485 for (i = 0; i < packet_len; i++) {
6995b36c
JB		 1486 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
1487 if (!cnt)
1488 break;
02e9c290 1489 j += 3;
02e9c290 1490 }
3753cb24
NP		 1491 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1492 print_hex_dump(KERN_INFO, "FD raw packet: ",
1493 DUMP_PREFIX_OFFSET, 16, 1,
17a73f6b
JG		 1494 raw_packet, packet_len, true);
1495 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
02e9c290
JB		 1496 if (!ret) {
1497 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1498 } else {
1499 dev_info(&pf->pdev->dev,
1500 "Filter command send failed %d\n", ret);
1501 }
17a73f6b
JG		 1502 kfree(raw_packet);
1503 raw_packet = NULL;
02e9c290
JB		 1504 kfree(asc_packet);
1505 asc_packet = NULL;
e17ff05c
ASJ		 1506 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1507 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1508 i40e_get_current_fd_count(pf));
02e9c290
JB		 1509 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1510 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1511 int ret;
6995b36c 1512
02e9c290
JB		 1513 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1514 if (ret) {
1515 dev_info(&pf->pdev->dev,
1516 "Stop LLDP AQ command failed =0x%x\n",
1517 pf->hw.aq.asq_last_status);
1518 goto command_write_done;
1519 }
4e3b35b0
NP		 1520 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1521 pf->hw.mac.addr,
1522 I40E_ETH_P_LLDP, 0,
1523 pf->vsi[pf->lan_vsi]->seid,
1524 0, true, NULL, NULL);
1525 if (ret) {
1526 dev_info(&pf->pdev->dev,
1527 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1528 __func__, pf->hw.aq.asq_last_status);
1529 goto command_write_done;
1530 }
1531#ifdef CONFIG_I40E_DCB
1532 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1533 DCB_CAP_DCBX_VER_IEEE;
1534#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1535 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1536 int ret;
6995b36c 1537
4e3b35b0
NP		 1538 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1539 pf->hw.mac.addr,
1540 I40E_ETH_P_LLDP, 0,
1541 pf->vsi[pf->lan_vsi]->seid,
1542 0, false, NULL, NULL);
1543 if (ret) {
1544 dev_info(&pf->pdev->dev,
1545 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1546 __func__, pf->hw.aq.asq_last_status);
1547 /* Continue and start FW LLDP anyways */
1548 }
1549
02e9c290
JB		 1550 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1551 if (ret) {
1552 dev_info(&pf->pdev->dev,
1553 "Start LLDP AQ command failed =0x%x\n",
1554 pf->hw.aq.asq_last_status);
1555 goto command_write_done;
1556 }
4e3b35b0
NP		 1557#ifdef CONFIG_I40E_DCB
1558 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1559 DCB_CAP_DCBX_VER_IEEE;
1560#endif /* CONFIG_I40E_DCB */
02e9c290
JB		 1561 } else if (strncmp(&cmd_buf[5],
1562 "get local", 9) == 0) {
738a9e9b 1563 u16 llen, rlen;
3753cb24 1564 int ret;
02e9c290 1565 u8 *buff;
6995b36c 1566
02e9c290
JB		 1567 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1568 if (!buff)
1569 goto command_write_done;
1570
1571 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1572 I40E_AQ_LLDP_MIB_LOCAL,
1573 buff, I40E_LLDPDU_SIZE,
1574 &llen, &rlen, NULL);
1575 if (ret) {
1576 dev_info(&pf->pdev->dev,
1577 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1578 pf->hw.aq.asq_last_status);
1579 kfree(buff);
1580 buff = NULL;
1581 goto command_write_done;
1582 }
3753cb24
NP		 1583 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1584 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1585 DUMP_PREFIX_OFFSET, 16, 1,
1586 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1587 kfree(buff);
1588 buff = NULL;
1589 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
738a9e9b 1590 u16 llen, rlen;
3753cb24 1591 int ret;
02e9c290 1592 u8 *buff;
6995b36c 1593
02e9c290
JB		 1594 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1595 if (!buff)
1596 goto command_write_done;
1597
1598 ret = i40e_aq_get_lldp_mib(&pf->hw,
1599 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
c27936e7 1600 I40E_AQ_LLDP_MIB_REMOTE,
02e9c290
JB		 1601 buff, I40E_LLDPDU_SIZE,
1602 &llen, &rlen, NULL);
1603 if (ret) {
1604 dev_info(&pf->pdev->dev,
1605 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1606 pf->hw.aq.asq_last_status);
1607 kfree(buff);
1608 buff = NULL;
1609 goto command_write_done;
1610 }
3753cb24
NP		 1611 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1612 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1613 DUMP_PREFIX_OFFSET, 16, 1,
1614 buff, I40E_LLDPDU_SIZE, true);
02e9c290
JB		 1615 kfree(buff);
1616 buff = NULL;
1617 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1618 int ret;
6995b36c 1619
02e9c290
JB		 1620 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1621 true, NULL);
1622 if (ret) {
1623 dev_info(&pf->pdev->dev,
1624 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1625 pf->hw.aq.asq_last_status);
1626 goto command_write_done;
1627 }
1628 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1629 int ret;
6995b36c 1630
02e9c290
JB		 1631 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1632 false, NULL);
1633 if (ret) {
1634 dev_info(&pf->pdev->dev,
1635 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1636 pf->hw.aq.asq_last_status);
1637 goto command_write_done;
1638 }
1639 }
1640 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
3753cb24 1641 u16 buffer_len, bytes;
02e9c290
JB		 1642 u16 module;
1643 u32 offset;
1644 u16 *buff;
1645 int ret;
1646
1647 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1648 &module, &offset, &buffer_len);
1649 if (cnt == 0) {
1650 module = 0;
1651 offset = 0;
1652 buffer_len = 0;
1653 } else if (cnt == 1) {
1654 offset = 0;
1655 buffer_len = 0;
1656 } else if (cnt == 2) {
1657 buffer_len = 0;
1658 } else if (cnt > 3) {
1659 dev_info(&pf->pdev->dev,
1660 "nvm read: bad command string, cnt=%d\n", cnt);
1661 goto command_write_done;
1662 }
1663
520dfd8b
JB		 1664 /* set the max length */
1665 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
02e9c290
JB		 1666
1667 bytes = 2 * buffer_len;
520dfd8b
JB		 1668
1669 /* read at least 1k bytes, no more than 4kB */
1670 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
02e9c290
JB		 1671 buff = kzalloc(bytes, GFP_KERNEL);
1672 if (!buff)
1673 goto command_write_done;
1674
1675 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1676 if (ret) {
1677 dev_info(&pf->pdev->dev,
1678 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1679 ret, pf->hw.aq.asq_last_status);
1680 kfree(buff);
1681 goto command_write_done;
1682 }
1683
1684 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1685 bytes, (u8 *)buff, true, NULL);
1686 i40e_release_nvm(&pf->hw);
1687 if (ret) {
1688 dev_info(&pf->pdev->dev,
1689 "Read NVM AQ failed err=%d status=0x%x\n",
1690 ret, pf->hw.aq.asq_last_status);
1691 } else {
1692 dev_info(&pf->pdev->dev,
1693 "Read NVM module=0x%x offset=0x%x words=%d\n",
1694 module, offset, buffer_len);
a45e88c9 1695 if (bytes)
3753cb24
NP		 1696 print_hex_dump(KERN_INFO, "NVM Dump: ",
1697 DUMP_PREFIX_OFFSET, 16, 2,
a45e88c9 1698 buff, bytes, true);
02e9c290
JB		 1699 }
1700 kfree(buff);
1701 buff = NULL;
1702 } else {
1703 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1704 dev_info(&pf->pdev->dev, "available commands\n");
1705 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1706 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1707 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1708 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1709 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1710 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1711 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1712 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1713 dev_info(&pf->pdev->dev, " dump switch\n");
1714 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1715 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1716 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1717 dev_info(&pf->pdev->dev, " dump desc aq\n");
02e9c290 1718 dev_info(&pf->pdev->dev, " dump reset stats\n");
3169c323 1719 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
02e9c290
JB		 1720 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1721 dev_info(&pf->pdev->dev, " read <reg>\n");
1722 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1723 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
694dc1cb 1724 dev_info(&pf->pdev->dev, " clear_stats port\n");
02e9c290
JB		 1725 dev_info(&pf->pdev->dev, " pfr\n");
1726 dev_info(&pf->pdev->dev, " corer\n");
1727 dev_info(&pf->pdev->dev, " globr\n");
f1143c4b
ASJ		 1728 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1729 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
02e9c290
JB		 1730 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");
1731 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");
e17ff05c 1732 dev_info(&pf->pdev->dev, " fd current cnt");
02e9c290
JB		 1733 dev_info(&pf->pdev->dev, " lldp start\n");
1734 dev_info(&pf->pdev->dev, " lldp stop\n");
1735 dev_info(&pf->pdev->dev, " lldp get local\n");
1736 dev_info(&pf->pdev->dev, " lldp get remote\n");
1737 dev_info(&pf->pdev->dev, " lldp event on\n");
1738 dev_info(&pf->pdev->dev, " lldp event off\n");
1739 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1740 }
1741
1742command_write_done:
1743 kfree(cmd_buf);
1744 cmd_buf = NULL;
02e9c290
JB		 1745 return count;
1746}
1747
1748static const struct file_operations i40e_dbg_command_fops = {
1749 .owner = THIS_MODULE,
1750 .open = simple_open,
1751 .read = i40e_dbg_command_read,
1752 .write = i40e_dbg_command_write,
1753};
1754
1755/**************************************************************
1756 * netdev_ops
1757 * The netdev_ops entry in debugfs is for giving the driver commands
1758 * to be executed from the netdev operations.
1759 **************************************************************/
d1da3ac0 1760static char i40e_dbg_netdev_ops_buf[256] = "";
02e9c290
JB		 1761
1762/**
1763 * i40e_dbg_netdev_ops - read for netdev_ops datum
1764 * @filp: the opened file
1765 * @buffer: where to write the data for the user to read
1766 * @count: the size of the user's buffer
1767 * @ppos: file position offset
1768 **/
1769static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1770 size_t count, loff_t *ppos)
1771{
1772 struct i40e_pf *pf = filp->private_data;
1773 int bytes_not_copied;
1774 int buf_size = 256;
1775 char *buf;
1776 int len;
1777
1778 /* don't allow partal reads */
1779 if (*ppos != 0)
1780 return 0;
1781 if (count < buf_size)
1782 return -ENOSPC;
1783
1784 buf = kzalloc(buf_size, GFP_KERNEL);
1785 if (!buf)
1786 return -ENOSPC;
1787
1788 len = snprintf(buf, buf_size, "%s: %s\n",
1789 pf->vsi[pf->lan_vsi]->netdev->name,
1790 i40e_dbg_netdev_ops_buf);
1791
1792 bytes_not_copied = copy_to_user(buffer, buf, len);
1793 kfree(buf);
1794
0286c67e
RV		 1795 if (bytes_not_copied)
1796 return -EFAULT;
02e9c290
JB		 1797
1798 *ppos = len;
1799 return len;
1800}
1801
1802/**
1803 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1804 * @filp: the opened file
1805 * @buffer: where to find the user's data
1806 * @count: the length of the user's data
1807 * @ppos: file position offset
1808 **/
1809static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1810 const char __user *buffer,
1811 size_t count, loff_t *ppos)
1812{
1813 struct i40e_pf *pf = filp->private_data;
1814 int bytes_not_copied;
1815 struct i40e_vsi *vsi;
004173cb 1816 char *buf_tmp;
02e9c290
JB		 1817 int vsi_seid;
1818 int i, cnt;
1819
1820 /* don't allow partial writes */
1821 if (*ppos != 0)
1822 return 0;
1823 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1824 return -ENOSPC;
1825
1826 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1827 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1828 buffer, count);
0286c67e
RV		 1829 if (bytes_not_copied)
1830 return -EFAULT;
02e9c290
JB		 1831 i40e_dbg_netdev_ops_buf[count] = '\0';
1832
004173cb
JB		 1833 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1834 if (buf_tmp) {
1835 *buf_tmp = '\0';
1836 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1837 }
1838
02e9c290
JB		 1839 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1840 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1841 if (cnt != 1) {
1842 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1843 goto netdev_ops_write_done;
1844 }
1845 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1846 if (!vsi) {
1847 dev_info(&pf->pdev->dev,
1848 "tx_timeout: VSI %d not found\n", vsi_seid);
ca04657b
SN		 1849 } else if (!vsi->netdev) {
1850 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1851 vsi_seid);
1852 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
1853 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1854 vsi_seid);
1855 } else if (rtnl_trylock()) {
02e9c290
JB		 1856 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1857 rtnl_unlock();
1858 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1859 } else {
1860 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1861 }
1862 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1863 int mtu;
6995b36c 1864
02e9c290
JB		 1865 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1866 &vsi_seid, &mtu);
1867 if (cnt != 2) {
1868 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1869 goto netdev_ops_write_done;
1870 }
1871 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1872 if (!vsi) {
1873 dev_info(&pf->pdev->dev,
1874 "change_mtu: VSI %d not found\n", vsi_seid);
ca04657b
SN		 1875 } else if (!vsi->netdev) {
1876 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1877 vsi_seid);
1878 } else if (rtnl_trylock()) {
02e9c290
JB		 1879 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1880 mtu);
1881 rtnl_unlock();
1882 dev_info(&pf->pdev->dev, "change_mtu called\n");
1883 } else {
1884 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1885 }
1886
1887 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1888 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1889 if (cnt != 1) {
1890 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1891 goto netdev_ops_write_done;
1892 }
1893 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1894 if (!vsi) {
1895 dev_info(&pf->pdev->dev,
1896 "set_rx_mode: VSI %d not found\n", vsi_seid);
ca04657b
SN		 1897 } else if (!vsi->netdev) {
1898 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1899 vsi_seid);
1900 } else if (rtnl_trylock()) {
02e9c290
JB		 1901 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1902 rtnl_unlock();
1903 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1904 } else {
1905 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1906 }
1907
1908 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1909 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1910 if (cnt != 1) {
1911 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1912 goto netdev_ops_write_done;
1913 }
1914 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1915 if (!vsi) {
1916 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1917 vsi_seid);
ca04657b
SN		 1918 } else if (!vsi->netdev) {
1919 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1920 vsi_seid);
1921 } else {
1922 for (i = 0; i < vsi->num_q_vectors; i++)
1923 napi_schedule(&vsi->q_vectors[i]->napi);
1924 dev_info(&pf->pdev->dev, "napi called\n");
02e9c290 1925 }
02e9c290
JB		 1926 } else {
1927 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1928 i40e_dbg_netdev_ops_buf);
1929 dev_info(&pf->pdev->dev, "available commands\n");
1930 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1931 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1932 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1933 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1934 }
1935netdev_ops_write_done:
1936 return count;
1937}
1938
1939static const struct file_operations i40e_dbg_netdev_ops_fops = {
1940 .owner = THIS_MODULE,
1941 .open = simple_open,
1942 .read = i40e_dbg_netdev_ops_read,
1943 .write = i40e_dbg_netdev_ops_write,
1944};
1945
1946/**
b40c82e6
JK		 1947 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1948 * @pf: the PF that is starting up
02e9c290
JB		 1949 **/
1950void i40e_dbg_pf_init(struct i40e_pf *pf)
1951{
6301002f 1952 struct dentry *pfile;
02e9c290 1953 const char *name = pci_name(pf->pdev);
6301002f 1954 const struct device *dev = &pf->pdev->dev;
02e9c290
JB		 1955
1956 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
6301002f
JB		 1957 if (!pf->i40e_dbg_pf)
1958 return;
1959
1960 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1961 &i40e_dbg_command_fops);
1962 if (!pfile)
1963 goto create_failed;
1964
6301002f
JB		 1965 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1966 &i40e_dbg_netdev_ops_fops);
1967 if (!pfile)
1968 goto create_failed;
1969
1970 return;
1971
1972create_failed:
1973 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1974 debugfs_remove_recursive(pf->i40e_dbg_pf);
02e9c290
JB		 1975}
1976
1977/**
b40c82e6
JK		 1978 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1979 * @pf: the PF that is stopping
02e9c290
JB		 1980 **/
1981void i40e_dbg_pf_exit(struct i40e_pf *pf)
1982{
1983 debugfs_remove_recursive(pf->i40e_dbg_pf);
1984 pf->i40e_dbg_pf = NULL;
02e9c290
JB		 1985}
1986
1987/**
1988 * i40e_dbg_init - start up debugfs for the driver
1989 **/
1990void i40e_dbg_init(void)
1991{
1992 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1993 if (!i40e_dbg_root)
1994 pr_info("init of debugfs failed\n");
1995}
1996
1997/**
1998 * i40e_dbg_exit - clean out the driver's debugfs entries
1999 **/
2000void i40e_dbg_exit(void)
2001{
2002 debugfs_remove_recursive(i40e_dbg_root);
2003 i40e_dbg_root = NULL;
2004}
2005
2006#endif /* CONFIG_DEBUG_FS */
Linux kernel - Deliverables
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