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Merge tag 'for-6.10-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux-2.6-block.git] / net / can / proc.c
CommitLineData
d77cd7fe 1// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
0d66548a
OH		 2/*
3 * proc.c - procfs support for Protocol family CAN core module
4 *
5 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of Volkswagen nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * Alternatively, provided that this notice is retained in full, this
21 * software may be distributed under the terms of the GNU General
22 * Public License ("GPL") version 2, in which case the provisions of the
23 * GPL apply INSTEAD OF those given above.
24 *
25 * The provided data structures and external interfaces from this code
26 * are not restricted to be used by modules with a GPL compatible license.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
39 * DAMAGE.
40 *
0d66548a
OH		 41 */
42
43#include <linux/module.h>
44#include <linux/proc_fs.h>
45#include <linux/list.h>
46#include <linux/rcupdate.h>
20dd3850 47#include <linux/if_arp.h>
ffd956ee 48#include <linux/can/can-ml.h>
0d66548a
OH		 49#include <linux/can/core.h>
50
51#include "af_can.h"
52
53/*
54 * proc filenames for the PF_CAN core
55 */
56
0d66548a
OH		 57#define CAN_PROC_STATS "stats"
58#define CAN_PROC_RESET_STATS "reset_stats"
59#define CAN_PROC_RCVLIST_ALL "rcvlist_all"
60#define CAN_PROC_RCVLIST_FIL "rcvlist_fil"
61#define CAN_PROC_RCVLIST_INV "rcvlist_inv"
62#define CAN_PROC_RCVLIST_SFF "rcvlist_sff"
63#define CAN_PROC_RCVLIST_EFF "rcvlist_eff"
64#define CAN_PROC_RCVLIST_ERR "rcvlist_err"
65
0d66548a
OH		 66static int user_reset;
67
68static const char rx_list_name[][8] = {
69 [RX_ERR] = "rx_err",
70 [RX_ALL] = "rx_all",
71 [RX_FIL] = "rx_fil",
72 [RX_INV] = "rx_inv",
0d66548a
OH		 73};
74
75/*
76 * af_can statistics stuff
77 */
78
cb5635a3 79static void can_init_stats(struct net *net)
0d66548a 80{
448c7074
MKB		 81 struct can_pkg_stats *pkg_stats = net->can.pkg_stats;
82 struct can_rcv_lists_stats *rcv_lists_stats = net->can.rcv_lists_stats;
0d66548a
OH		 83 /*
84 * This memset function is called from a timer context (when
85 * can_stattimer is active which is the default) OR in a process
86 * context (reading the proc_fs when can_stattimer is disabled).
87 */
448c7074
MKB		 88 memset(pkg_stats, 0, sizeof(struct can_pkg_stats));
89 pkg_stats->jiffies_init = jiffies;
0d66548a 90
448c7074 91 rcv_lists_stats->stats_reset++;
0d66548a
OH		 92
93 if (user_reset) {
94 user_reset = 0;
448c7074 95 rcv_lists_stats->user_reset++;
0d66548a
OH		 96 }
97}
98
99static unsigned long calc_rate(unsigned long oldjif, unsigned long newjif,
100 unsigned long count)
101{
0d66548a
OH		 102 if (oldjif == newjif)
103 return 0;
104
105 /* see can_stat_update() - this should NEVER happen! */
106 if (count > (ULONG_MAX / HZ)) {
107 printk(KERN_ERR "can: calc_rate: count exceeded! %ld\n",
108 count);
109 return 99999999;
110 }
111
24a774a4 112 return (count * HZ) / (newjif - oldjif);
0d66548a
OH		 113}
114
1fccb565 115void can_stat_update(struct timer_list *t)
0d66548a 116{
564577df 117 struct net *net = from_timer(net, t, can.stattimer);
448c7074 118 struct can_pkg_stats *pkg_stats = net->can.pkg_stats;
0d66548a
OH		 119 unsigned long j = jiffies; /* snapshot */
120
121 /* restart counting in timer context on user request */
122 if (user_reset)
cb5635a3 123 can_init_stats(net);
0d66548a
OH		 124
125 /* restart counting on jiffies overflow */
448c7074 126 if (j < pkg_stats->jiffies_init)
cb5635a3 127 can_init_stats(net);
0d66548a
OH		 128
129 /* prevent overflow in calc_rate() */
448c7074 130 if (pkg_stats->rx_frames > (ULONG_MAX / HZ))
cb5635a3 131 can_init_stats(net);
0d66548a
OH		 132
133 /* prevent overflow in calc_rate() */
448c7074 134 if (pkg_stats->tx_frames > (ULONG_MAX / HZ))
cb5635a3 135 can_init_stats(net);
0d66548a
OH		 136
137 /* matches overflow - very improbable */
448c7074 138 if (pkg_stats->matches > (ULONG_MAX / 100))
cb5635a3 139 can_init_stats(net);
0d66548a
OH		 140
141 /* calc total values */
448c7074
MKB		 142 if (pkg_stats->rx_frames)
143 pkg_stats->total_rx_match_ratio = (pkg_stats->matches * 100) /
144 pkg_stats->rx_frames;
0d66548a 145
448c7074
MKB		 146 pkg_stats->total_tx_rate = calc_rate(pkg_stats->jiffies_init, j,
147 pkg_stats->tx_frames);
148 pkg_stats->total_rx_rate = calc_rate(pkg_stats->jiffies_init, j,
149 pkg_stats->rx_frames);
0d66548a
OH		 150
151 /* calc current values */
448c7074
MKB		 152 if (pkg_stats->rx_frames_delta)
153 pkg_stats->current_rx_match_ratio =
154 (pkg_stats->matches_delta * 100) /
155 pkg_stats->rx_frames_delta;
0d66548a 156
448c7074
MKB		 157 pkg_stats->current_tx_rate = calc_rate(0, HZ, pkg_stats->tx_frames_delta);
158 pkg_stats->current_rx_rate = calc_rate(0, HZ, pkg_stats->rx_frames_delta);
0d66548a
OH		 159
160 /* check / update maximum values */
448c7074
MKB		 161 if (pkg_stats->max_tx_rate < pkg_stats->current_tx_rate)
162 pkg_stats->max_tx_rate = pkg_stats->current_tx_rate;
0d66548a 163
448c7074
MKB		 164 if (pkg_stats->max_rx_rate < pkg_stats->current_rx_rate)
165 pkg_stats->max_rx_rate = pkg_stats->current_rx_rate;
0d66548a 166
448c7074
MKB		 167 if (pkg_stats->max_rx_match_ratio < pkg_stats->current_rx_match_ratio)
168 pkg_stats->max_rx_match_ratio = pkg_stats->current_rx_match_ratio;
0d66548a
OH		 169
170 /* clear values for 'current rate' calculation */
448c7074
MKB		 171 pkg_stats->tx_frames_delta = 0;
172 pkg_stats->rx_frames_delta = 0;
173 pkg_stats->matches_delta = 0;
0d66548a
OH		 174
175 /* restart timer (one second) */
564577df 176 mod_timer(&net->can.stattimer, round_jiffies(jiffies + HZ));
0d66548a
OH		 177}
178
179/*
180 * proc read functions
0d66548a
OH		 181 */
182
ea00b8e2
AD		 183static void can_print_rcvlist(struct seq_file *m, struct hlist_head *rx_list,
184 struct net_device *dev)
0d66548a
OH		 185{
186 struct receiver *r;
0d66548a 187
b67bfe0d 188 hlist_for_each_entry_rcu(r, rx_list, list) {
0d66548a 189 char *fmt = (r->can_id & CAN_EFF_FLAG)?
12e6c419
OH		 190 " %-5s %08x %08x %pK %pK %8ld %s\n" :
191 " %-5s %03x %08x %pK %pK %8ld %s\n";
0d66548a 192
ea00b8e2 193 seq_printf(m, fmt, DNAME(dev), r->can_id, r->mask,
12e6c419 194 r->func, r->data, r->matches, r->ident);
0d66548a 195 }
0d66548a
OH		 196}
197
ea00b8e2 198static void can_print_recv_banner(struct seq_file *m)
0d66548a
OH		 199{
200 /*
201 * can1. 00000000 00000000 00000000
202 * ....... 0 tp20
203 */
e6b031d3
EF		 204 if (IS_ENABLED(CONFIG_64BIT))
205 seq_puts(m, " device can_id can_mask function userdata matches ident\n");
206 else
207 seq_puts(m, " device can_id can_mask function userdata matches ident\n");
0d66548a
OH		 208}
209
ea00b8e2 210static int can_stats_proc_show(struct seq_file *m, void *v)
0d66548a 211{
cb5635a3 212 struct net *net = m->private;
448c7074
MKB		 213 struct can_pkg_stats *pkg_stats = net->can.pkg_stats;
214 struct can_rcv_lists_stats *rcv_lists_stats = net->can.rcv_lists_stats;
cb5635a3 215
ea00b8e2 216 seq_putc(m, '\n');
448c7074
MKB		 217 seq_printf(m, " %8ld transmitted frames (TXF)\n", pkg_stats->tx_frames);
218 seq_printf(m, " %8ld received frames (RXF)\n", pkg_stats->rx_frames);
219 seq_printf(m, " %8ld matched frames (RXMF)\n", pkg_stats->matches);
0d66548a 220
ea00b8e2 221 seq_putc(m, '\n');
0d66548a 222
564577df 223 if (net->can.stattimer.function == can_stat_update) {
ea00b8e2 224 seq_printf(m, " %8ld %% total match ratio (RXMR)\n",
448c7074 225 pkg_stats->total_rx_match_ratio);
0d66548a 226
ea00b8e2 227 seq_printf(m, " %8ld frames/s total tx rate (TXR)\n",
448c7074 228 pkg_stats->total_tx_rate);
ea00b8e2 229 seq_printf(m, " %8ld frames/s total rx rate (RXR)\n",
448c7074 230 pkg_stats->total_rx_rate);
0d66548a 231
ea00b8e2 232 seq_putc(m, '\n');
0d66548a 233
ea00b8e2 234 seq_printf(m, " %8ld %% current match ratio (CRXMR)\n",
448c7074 235 pkg_stats->current_rx_match_ratio);
0d66548a 236
ea00b8e2 237 seq_printf(m, " %8ld frames/s current tx rate (CTXR)\n",
448c7074 238 pkg_stats->current_tx_rate);
ea00b8e2 239 seq_printf(m, " %8ld frames/s current rx rate (CRXR)\n",
448c7074 240 pkg_stats->current_rx_rate);
0d66548a 241
ea00b8e2 242 seq_putc(m, '\n');
0d66548a 243
ea00b8e2 244 seq_printf(m, " %8ld %% max match ratio (MRXMR)\n",
448c7074 245 pkg_stats->max_rx_match_ratio);
0d66548a 246
ea00b8e2 247 seq_printf(m, " %8ld frames/s max tx rate (MTXR)\n",
448c7074 248 pkg_stats->max_tx_rate);
ea00b8e2 249 seq_printf(m, " %8ld frames/s max rx rate (MRXR)\n",
448c7074 250 pkg_stats->max_rx_rate);
0d66548a 251
ea00b8e2 252 seq_putc(m, '\n');
0d66548a
OH		 253 }
254
ea00b8e2 255 seq_printf(m, " %8ld current receive list entries (CRCV)\n",
448c7074 256 rcv_lists_stats->rcv_entries);
ea00b8e2 257 seq_printf(m, " %8ld maximum receive list entries (MRCV)\n",
448c7074 258 rcv_lists_stats->rcv_entries_max);
0d66548a 259
448c7074 260 if (rcv_lists_stats->stats_reset)
ea00b8e2 261 seq_printf(m, "\n %8ld statistic resets (STR)\n",
448c7074 262 rcv_lists_stats->stats_reset);
0d66548a 263
448c7074 264 if (rcv_lists_stats->user_reset)
ea00b8e2 265 seq_printf(m, " %8ld user statistic resets (USTR)\n",
448c7074 266 rcv_lists_stats->user_reset);
0d66548a 267
ea00b8e2
AD		 268 seq_putc(m, '\n');
269 return 0;
0d66548a
OH		 270}
271
ea00b8e2
AD		 272static int can_reset_stats_proc_show(struct seq_file *m, void *v)
273{
cb5635a3 274 struct net *net = m->private;
448c7074
MKB		 275 struct can_rcv_lists_stats *rcv_lists_stats = net->can.rcv_lists_stats;
276 struct can_pkg_stats *pkg_stats = net->can.pkg_stats;
cb5635a3 277
0d66548a
OH		 278 user_reset = 1;
279
564577df 280 if (net->can.stattimer.function == can_stat_update) {
ea00b8e2 281 seq_printf(m, "Scheduled statistic reset #%ld.\n",
448c7074 282 rcv_lists_stats->stats_reset + 1);
0d66548a 283 } else {
448c7074 284 if (pkg_stats->jiffies_init != jiffies)
cb5635a3 285 can_init_stats(net);
0d66548a 286
ea00b8e2 287 seq_printf(m, "Performed statistic reset #%ld.\n",
448c7074 288 rcv_lists_stats->stats_reset);
0d66548a 289 }
ea00b8e2
AD		 290 return 0;
291}
0d66548a 292
20dd3850
OH		 293static inline void can_rcvlist_proc_show_one(struct seq_file *m, int idx,
294 struct net_device *dev,
ff7fbea4 295 struct can_dev_rcv_lists *dev_rcv_lists)
20dd3850 296{
ff7fbea4 297 if (!hlist_empty(&dev_rcv_lists->rx[idx])) {
20dd3850 298 can_print_recv_banner(m);
ff7fbea4 299 can_print_rcvlist(m, &dev_rcv_lists->rx[idx], dev);
20dd3850
OH		 300 } else
301 seq_printf(m, " (%s: no entry)\n", DNAME(dev));
302
303}
304
ea00b8e2 305static int can_rcvlist_proc_show(struct seq_file *m, void *v)
0d66548a
OH		 306{
307 /* double cast to prevent GCC warning */
359745d7 308 int idx = (int)(long)pde_data(m->file->f_inode);
20dd3850 309 struct net_device *dev;
ff7fbea4 310 struct can_dev_rcv_lists *dev_rcv_lists;
8e8cda6d 311 struct net *net = m->private;
0d66548a 312
ea00b8e2 313 seq_printf(m, "\nreceive list '%s':\n", rx_list_name[idx]);
0d66548a
OH		 314
315 rcu_read_lock();
0d66548a 316
20dd3850 317 /* receive list for 'all' CAN devices (dev == NULL) */
ff7fbea4
MKB		 318 dev_rcv_lists = net->can.rx_alldev_list;
319 can_rcvlist_proc_show_one(m, idx, NULL, dev_rcv_lists);
20dd3850
OH		 320
321 /* receive list for registered CAN devices */
8e8cda6d 322 for_each_netdev_rcu(net, dev) {
4e096a18
OR		 323 struct can_ml_priv *can_ml = can_get_ml_priv(dev);
324
325 if (can_ml)
326 can_rcvlist_proc_show_one(m, idx, dev,
327 &can_ml->dev_rcv_lists);
0d66548a 328 }
20dd3850 329
0d66548a
OH		 330 rcu_read_unlock();
331
ea00b8e2
AD		 332 seq_putc(m, '\n');
333 return 0;
334}
0d66548a 335
e3d3917f
OH		 336static inline void can_rcvlist_proc_show_array(struct seq_file *m,
337 struct net_device *dev,
338 struct hlist_head *rcv_array,
339 unsigned int rcv_array_sz)
20dd3850 340{
e3d3917f 341 unsigned int i;
20dd3850
OH		 342 int all_empty = 1;
343
48fc7f7e 344 /* check whether at least one list is non-empty */
e3d3917f
OH		 345 for (i = 0; i < rcv_array_sz; i++)
346 if (!hlist_empty(&rcv_array[i])) {
20dd3850
OH		 347 all_empty = 0;
348 break;
349 }
350
351 if (!all_empty) {
352 can_print_recv_banner(m);
e3d3917f
OH		 353 for (i = 0; i < rcv_array_sz; i++) {
354 if (!hlist_empty(&rcv_array[i]))
355 can_print_rcvlist(m, &rcv_array[i], dev);
20dd3850
OH		 356 }
357 } else
358 seq_printf(m, " (%s: no entry)\n", DNAME(dev));
359}
360
ea00b8e2 361static int can_rcvlist_sff_proc_show(struct seq_file *m, void *v)
0d66548a 362{
20dd3850 363 struct net_device *dev;
ff7fbea4 364 struct can_dev_rcv_lists *dev_rcv_lists;
8e8cda6d 365 struct net *net = m->private;
0d66548a
OH		 366
367 /* RX_SFF */
ea00b8e2 368 seq_puts(m, "\nreceive list 'rx_sff':\n");
0d66548a
OH		 369
370 rcu_read_lock();
20dd3850
OH		 371
372 /* sff receive list for 'all' CAN devices (dev == NULL) */
ff7fbea4
MKB		 373 dev_rcv_lists = net->can.rx_alldev_list;
374 can_rcvlist_proc_show_array(m, NULL, dev_rcv_lists->rx_sff,
375 ARRAY_SIZE(dev_rcv_lists->rx_sff));
20dd3850
OH		 376
377 /* sff receive list for registered CAN devices */
8e8cda6d 378 for_each_netdev_rcu(net, dev) {
4e096a18
OR		 379 struct can_ml_priv *can_ml = can_get_ml_priv(dev);
380
381 if (can_ml) {
382 dev_rcv_lists = &can_ml->dev_rcv_lists;
ff7fbea4
MKB		 383 can_rcvlist_proc_show_array(m, dev, dev_rcv_lists->rx_sff,
384 ARRAY_SIZE(dev_rcv_lists->rx_sff));
e3d3917f 385 }
0d66548a 386 }
20dd3850 387
0d66548a
OH		 388 rcu_read_unlock();
389
ea00b8e2
AD		 390 seq_putc(m, '\n');
391 return 0;
392}
0d66548a 393
45c70029
OH		 394static int can_rcvlist_eff_proc_show(struct seq_file *m, void *v)
395{
396 struct net_device *dev;
ff7fbea4 397 struct can_dev_rcv_lists *dev_rcv_lists;
8e8cda6d 398 struct net *net = m->private;
45c70029
OH		 399
400 /* RX_EFF */
401 seq_puts(m, "\nreceive list 'rx_eff':\n");
402
403 rcu_read_lock();
404
405 /* eff receive list for 'all' CAN devices (dev == NULL) */
ff7fbea4
MKB		 406 dev_rcv_lists = net->can.rx_alldev_list;
407 can_rcvlist_proc_show_array(m, NULL, dev_rcv_lists->rx_eff,
408 ARRAY_SIZE(dev_rcv_lists->rx_eff));
45c70029
OH		 409
410 /* eff receive list for registered CAN devices */
8e8cda6d 411 for_each_netdev_rcu(net, dev) {
4e096a18
OR		 412 struct can_ml_priv *can_ml = can_get_ml_priv(dev);
413
414 if (can_ml) {
415 dev_rcv_lists = &can_ml->dev_rcv_lists;
ff7fbea4
MKB		 416 can_rcvlist_proc_show_array(m, dev, dev_rcv_lists->rx_eff,
417 ARRAY_SIZE(dev_rcv_lists->rx_eff));
45c70029
OH		 418 }
419 }
420
421 rcu_read_unlock();
422
423 seq_putc(m, '\n');
424 return 0;
425}
426
0d66548a
OH		 427/*
428 * can_init_proc - create main CAN proc directory and procfs entries
429 */
8e8cda6d 430void can_init_proc(struct net *net)
0d66548a
OH		 431{
432 /* create /proc/net/can directory */
8e8cda6d 433 net->can.proc_dir = proc_net_mkdir(net, "can", net->proc_net);
0d66548a 434
8e8cda6d
MK		 435 if (!net->can.proc_dir) {
436 printk(KERN_INFO "can: failed to create /proc/net/can . "
437 "CONFIG_PROC_FS missing?\n");
0d66548a
OH		 438 return;
439 }
440
0d66548a 441 /* own procfs entries from the AF_CAN core */
3617d949
CH		 442 net->can.pde_stats = proc_create_net_single(CAN_PROC_STATS, 0644,
443 net->can.proc_dir, can_stats_proc_show, NULL);
444 net->can.pde_reset_stats = proc_create_net_single(CAN_PROC_RESET_STATS,
445 0644, net->can.proc_dir, can_reset_stats_proc_show,
446 NULL);
447 net->can.pde_rcvlist_err = proc_create_net_single(CAN_PROC_RCVLIST_ERR,
448 0644, net->can.proc_dir, can_rcvlist_proc_show,
449 (void *)RX_ERR);
450 net->can.pde_rcvlist_all = proc_create_net_single(CAN_PROC_RCVLIST_ALL,
451 0644, net->can.proc_dir, can_rcvlist_proc_show,
452 (void *)RX_ALL);
453 net->can.pde_rcvlist_fil = proc_create_net_single(CAN_PROC_RCVLIST_FIL,
454 0644, net->can.proc_dir, can_rcvlist_proc_show,
455 (void *)RX_FIL);
456 net->can.pde_rcvlist_inv = proc_create_net_single(CAN_PROC_RCVLIST_INV,
457 0644, net->can.proc_dir, can_rcvlist_proc_show,
458 (void *)RX_INV);
459 net->can.pde_rcvlist_eff = proc_create_net_single(CAN_PROC_RCVLIST_EFF,
460 0644, net->can.proc_dir, can_rcvlist_eff_proc_show, NULL);
461 net->can.pde_rcvlist_sff = proc_create_net_single(CAN_PROC_RCVLIST_SFF,
462 0644, net->can.proc_dir, can_rcvlist_sff_proc_show, NULL);
0d66548a
OH		 463}
464
465/*
466 * can_remove_proc - remove procfs entries and main CAN proc directory
467 */
8e8cda6d 468void can_remove_proc(struct net *net)
0d66548a 469{
3accbfdc
ZC		 470 if (!net->can.proc_dir)
471 return;
472
8e8cda6d
MK		 473 if (net->can.pde_stats)
474 remove_proc_entry(CAN_PROC_STATS, net->can.proc_dir);
0d66548a 475
8e8cda6d
MK		 476 if (net->can.pde_reset_stats)
477 remove_proc_entry(CAN_PROC_RESET_STATS, net->can.proc_dir);
0d66548a 478
8e8cda6d
MK		 479 if (net->can.pde_rcvlist_err)
480 remove_proc_entry(CAN_PROC_RCVLIST_ERR, net->can.proc_dir);
0d66548a 481
8e8cda6d
MK		 482 if (net->can.pde_rcvlist_all)
483 remove_proc_entry(CAN_PROC_RCVLIST_ALL, net->can.proc_dir);
0d66548a 484
8e8cda6d
MK		 485 if (net->can.pde_rcvlist_fil)
486 remove_proc_entry(CAN_PROC_RCVLIST_FIL, net->can.proc_dir);
0d66548a 487
8e8cda6d
MK		 488 if (net->can.pde_rcvlist_inv)
489 remove_proc_entry(CAN_PROC_RCVLIST_INV, net->can.proc_dir);
0d66548a 490
8e8cda6d
MK		 491 if (net->can.pde_rcvlist_eff)
492 remove_proc_entry(CAN_PROC_RCVLIST_EFF, net->can.proc_dir);
0d66548a 493
8e8cda6d
MK		 494 if (net->can.pde_rcvlist_sff)
495 remove_proc_entry(CAN_PROC_RCVLIST_SFF, net->can.proc_dir);
0d66548a 496
3accbfdc 497 remove_proc_entry("can", net->proc_net);
0d66548a 498}
Linux 6.x block layer and io_uring tree(s)