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v4.6
 
  1/*
  2 *	X.25 Packet Layer release 002
  3 *
  4 *	This is ALPHA test software. This code may break your machine,
  5 *	randomly fail to work with new releases, misbehave and/or generally
  6 *	screw up. It might even work.
  7 *
  8 *	This code REQUIRES 2.4 with seq_file support
  9 *
 10 *	This module:
 11 *		This module is free software; you can redistribute it and/or
 12 *		modify it under the terms of the GNU General Public License
 13 *		as published by the Free Software Foundation; either version
 14 *		2 of the License, or (at your option) any later version.
 15 *
 16 *	History
 17 *	2002/10/06	Arnaldo Carvalho de Melo  seq_file support
 18 */
 19
 20#include <linux/init.h>
 21#include <linux/proc_fs.h>
 22#include <linux/seq_file.h>
 23#include <linux/export.h>
 24#include <net/net_namespace.h>
 25#include <net/sock.h>
 26#include <net/x25.h>
 27
 28#ifdef CONFIG_PROC_FS
 29
 30static void *x25_seq_route_start(struct seq_file *seq, loff_t *pos)
 31	__acquires(x25_route_list_lock)
 32{
 33	read_lock_bh(&x25_route_list_lock);
 34	return seq_list_start_head(&x25_route_list, *pos);
 35}
 36
 37static void *x25_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
 38{
 39	return seq_list_next(v, &x25_route_list, pos);
 40}
 41
 42static void x25_seq_route_stop(struct seq_file *seq, void *v)
 43	__releases(x25_route_list_lock)
 44{
 45	read_unlock_bh(&x25_route_list_lock);
 46}
 47
 48static int x25_seq_route_show(struct seq_file *seq, void *v)
 49{
 50	struct x25_route *rt = list_entry(v, struct x25_route, node);
 51
 52	if (v == &x25_route_list) {
 53		seq_puts(seq, "Address          Digits  Device\n");
 54		goto out;
 55	}
 56
 57	rt = v;
 58	seq_printf(seq, "%-15s  %-6d  %-5s\n",
 59		   rt->address.x25_addr, rt->sigdigits,
 60		   rt->dev ? rt->dev->name : "???");
 61out:
 62	return 0;
 63}
 64
 65static void *x25_seq_socket_start(struct seq_file *seq, loff_t *pos)
 66	__acquires(x25_list_lock)
 67{
 68	read_lock_bh(&x25_list_lock);
 69	return seq_hlist_start_head(&x25_list, *pos);
 70}
 71
 72static void *x25_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
 73{
 74	return seq_hlist_next(v, &x25_list, pos);
 75}
 76
 77static void x25_seq_socket_stop(struct seq_file *seq, void *v)
 78	__releases(x25_list_lock)
 79{
 80	read_unlock_bh(&x25_list_lock);
 81}
 82
 83static int x25_seq_socket_show(struct seq_file *seq, void *v)
 84{
 85	struct sock *s;
 86	struct x25_sock *x25;
 87	struct net_device *dev;
 88	const char *devname;
 89
 90	if (v == SEQ_START_TOKEN) {
 91		seq_printf(seq, "dest_addr  src_addr   dev   lci st vs vr "
 92				"va   t  t2 t21 t22 t23 Snd-Q Rcv-Q inode\n");
 93		goto out;
 94	}
 95
 96	s = sk_entry(v);
 97	x25 = x25_sk(s);
 98
 99	if (!x25->neighbour || (dev = x25->neighbour->dev) == NULL)
100		devname = "???";
101	else
102		devname = x25->neighbour->dev->name;
103
104	seq_printf(seq, "%-10s %-10s %-5s %3.3X  %d  %d  %d  %d %3lu %3lu "
105			"%3lu %3lu %3lu %5d %5d %ld\n",
106		   !x25->dest_addr.x25_addr[0] ? "*" : x25->dest_addr.x25_addr,
107		   !x25->source_addr.x25_addr[0] ? "*" : x25->source_addr.x25_addr,
108		   devname, x25->lci & 0x0FFF, x25->state, x25->vs, x25->vr,
109		   x25->va, x25_display_timer(s) / HZ, x25->t2  / HZ,
110		   x25->t21 / HZ, x25->t22 / HZ, x25->t23 / HZ,
111		   sk_wmem_alloc_get(s),
112		   sk_rmem_alloc_get(s),
113		   s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
114out:
115	return 0;
116}
117
118static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos)
119	__acquires(x25_forward_list_lock)
120{
121	read_lock_bh(&x25_forward_list_lock);
122	return seq_list_start_head(&x25_forward_list, *pos);
123}
124
125static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos)
126{
127	return seq_list_next(v, &x25_forward_list, pos);
128}
129
130static void x25_seq_forward_stop(struct seq_file *seq, void *v)
131	__releases(x25_forward_list_lock)
132{
133	read_unlock_bh(&x25_forward_list_lock);
134}
135
136static int x25_seq_forward_show(struct seq_file *seq, void *v)
137{
138	struct x25_forward *f = list_entry(v, struct x25_forward, node);
139
140	if (v == &x25_forward_list) {
141		seq_printf(seq, "lci dev1       dev2\n");
142		goto out;
143	}
144
145	f = v;
146
147	seq_printf(seq, "%d %-10s %-10s\n",
148			f->lci, f->dev1->name, f->dev2->name);
149out:
150	return 0;
151}
152
153static const struct seq_operations x25_seq_route_ops = {
154	.start  = x25_seq_route_start,
155	.next   = x25_seq_route_next,
156	.stop   = x25_seq_route_stop,
157	.show   = x25_seq_route_show,
158};
159
160static const struct seq_operations x25_seq_socket_ops = {
161	.start  = x25_seq_socket_start,
162	.next   = x25_seq_socket_next,
163	.stop   = x25_seq_socket_stop,
164	.show   = x25_seq_socket_show,
165};
166
167static const struct seq_operations x25_seq_forward_ops = {
168	.start  = x25_seq_forward_start,
169	.next   = x25_seq_forward_next,
170	.stop   = x25_seq_forward_stop,
171	.show   = x25_seq_forward_show,
172};
173
174static int x25_seq_socket_open(struct inode *inode, struct file *file)
175{
176	return seq_open(file, &x25_seq_socket_ops);
177}
178
179static int x25_seq_route_open(struct inode *inode, struct file *file)
180{
181	return seq_open(file, &x25_seq_route_ops);
182}
183
184static int x25_seq_forward_open(struct inode *inode, struct file *file)
185{
186	return seq_open(file, &x25_seq_forward_ops);
187}
188
189static const struct file_operations x25_seq_socket_fops = {
190	.open		= x25_seq_socket_open,
191	.read		= seq_read,
192	.llseek		= seq_lseek,
193	.release	= seq_release,
194};
195
196static const struct file_operations x25_seq_route_fops = {
197	.open		= x25_seq_route_open,
198	.read		= seq_read,
199	.llseek		= seq_lseek,
200	.release	= seq_release,
201};
202
203static const struct file_operations x25_seq_forward_fops = {
204	.open		= x25_seq_forward_open,
205	.read		= seq_read,
206	.llseek		= seq_lseek,
207	.release	= seq_release,
208};
209
210int __init x25_proc_init(void)
211{
212	if (!proc_mkdir("x25", init_net.proc_net))
213		return -ENOMEM;
214
215	if (!proc_create("x25/route", S_IRUGO, init_net.proc_net,
216			&x25_seq_route_fops))
217		goto out;
218
219	if (!proc_create("x25/socket", S_IRUGO, init_net.proc_net,
220			&x25_seq_socket_fops))
221		goto out;
222
223	if (!proc_create("x25/forward", S_IRUGO, init_net.proc_net,
224			&x25_seq_forward_fops))
225		goto out;
226	return 0;
227
228out:
229	remove_proc_subtree("x25", init_net.proc_net);
230	return -ENOMEM;
231}
232
233void __exit x25_proc_exit(void)
234{
235	remove_proc_subtree("x25", init_net.proc_net);
236}
237
238#else /* CONFIG_PROC_FS */
239
240int __init x25_proc_init(void)
241{
242	return 0;
243}
244
245void __exit x25_proc_exit(void)
246{
247}
248#endif /* CONFIG_PROC_FS */
v6.13.7
  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 *	X.25 Packet Layer release 002
  4 *
  5 *	This is ALPHA test software. This code may break your machine,
  6 *	randomly fail to work with new releases, misbehave and/or generally
  7 *	screw up. It might even work.
  8 *
  9 *	This code REQUIRES 2.4 with seq_file support
 10 *
 
 
 
 
 
 
 11 *	History
 12 *	2002/10/06	Arnaldo Carvalho de Melo  seq_file support
 13 */
 14
 15#include <linux/init.h>
 16#include <linux/proc_fs.h>
 17#include <linux/seq_file.h>
 18#include <linux/export.h>
 19#include <net/net_namespace.h>
 20#include <net/sock.h>
 21#include <net/x25.h>
 22
 23#ifdef CONFIG_PROC_FS
 24
 25static void *x25_seq_route_start(struct seq_file *seq, loff_t *pos)
 26	__acquires(x25_route_list_lock)
 27{
 28	read_lock_bh(&x25_route_list_lock);
 29	return seq_list_start_head(&x25_route_list, *pos);
 30}
 31
 32static void *x25_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
 33{
 34	return seq_list_next(v, &x25_route_list, pos);
 35}
 36
 37static void x25_seq_route_stop(struct seq_file *seq, void *v)
 38	__releases(x25_route_list_lock)
 39{
 40	read_unlock_bh(&x25_route_list_lock);
 41}
 42
 43static int x25_seq_route_show(struct seq_file *seq, void *v)
 44{
 45	struct x25_route *rt = list_entry(v, struct x25_route, node);
 46
 47	if (v == &x25_route_list) {
 48		seq_puts(seq, "Address          Digits  Device\n");
 49		goto out;
 50	}
 51
 52	rt = v;
 53	seq_printf(seq, "%-15s  %-6d  %-5s\n",
 54		   rt->address.x25_addr, rt->sigdigits,
 55		   rt->dev ? rt->dev->name : "???");
 56out:
 57	return 0;
 58}
 59
 60static void *x25_seq_socket_start(struct seq_file *seq, loff_t *pos)
 61	__acquires(x25_list_lock)
 62{
 63	read_lock_bh(&x25_list_lock);
 64	return seq_hlist_start_head(&x25_list, *pos);
 65}
 66
 67static void *x25_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
 68{
 69	return seq_hlist_next(v, &x25_list, pos);
 70}
 71
 72static void x25_seq_socket_stop(struct seq_file *seq, void *v)
 73	__releases(x25_list_lock)
 74{
 75	read_unlock_bh(&x25_list_lock);
 76}
 77
 78static int x25_seq_socket_show(struct seq_file *seq, void *v)
 79{
 80	struct sock *s;
 81	struct x25_sock *x25;
 
 82	const char *devname;
 83
 84	if (v == SEQ_START_TOKEN) {
 85		seq_printf(seq, "dest_addr  src_addr   dev   lci st vs vr "
 86				"va   t  t2 t21 t22 t23 Snd-Q Rcv-Q inode\n");
 87		goto out;
 88	}
 89
 90	s = sk_entry(v);
 91	x25 = x25_sk(s);
 92
 93	if (!x25->neighbour || !x25->neighbour->dev)
 94		devname = "???";
 95	else
 96		devname = x25->neighbour->dev->name;
 97
 98	seq_printf(seq, "%-10s %-10s %-5s %3.3X  %d  %d  %d  %d %3lu %3lu "
 99			"%3lu %3lu %3lu %5d %5d %ld\n",
100		   !x25->dest_addr.x25_addr[0] ? "*" : x25->dest_addr.x25_addr,
101		   !x25->source_addr.x25_addr[0] ? "*" : x25->source_addr.x25_addr,
102		   devname, x25->lci & 0x0FFF, x25->state, x25->vs, x25->vr,
103		   x25->va, x25_display_timer(s) / HZ, x25->t2  / HZ,
104		   x25->t21 / HZ, x25->t22 / HZ, x25->t23 / HZ,
105		   sk_wmem_alloc_get(s),
106		   sk_rmem_alloc_get(s),
107		   s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
108out:
109	return 0;
110}
111
112static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos)
113	__acquires(x25_forward_list_lock)
114{
115	read_lock_bh(&x25_forward_list_lock);
116	return seq_list_start_head(&x25_forward_list, *pos);
117}
118
119static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos)
120{
121	return seq_list_next(v, &x25_forward_list, pos);
122}
123
124static void x25_seq_forward_stop(struct seq_file *seq, void *v)
125	__releases(x25_forward_list_lock)
126{
127	read_unlock_bh(&x25_forward_list_lock);
128}
129
130static int x25_seq_forward_show(struct seq_file *seq, void *v)
131{
132	struct x25_forward *f = list_entry(v, struct x25_forward, node);
133
134	if (v == &x25_forward_list) {
135		seq_printf(seq, "lci dev1       dev2\n");
136		goto out;
137	}
138
139	f = v;
140
141	seq_printf(seq, "%d %-10s %-10s\n",
142			f->lci, f->dev1->name, f->dev2->name);
143out:
144	return 0;
145}
146
147static const struct seq_operations x25_seq_route_ops = {
148	.start  = x25_seq_route_start,
149	.next   = x25_seq_route_next,
150	.stop   = x25_seq_route_stop,
151	.show   = x25_seq_route_show,
152};
153
154static const struct seq_operations x25_seq_socket_ops = {
155	.start  = x25_seq_socket_start,
156	.next   = x25_seq_socket_next,
157	.stop   = x25_seq_socket_stop,
158	.show   = x25_seq_socket_show,
159};
160
161static const struct seq_operations x25_seq_forward_ops = {
162	.start  = x25_seq_forward_start,
163	.next   = x25_seq_forward_next,
164	.stop   = x25_seq_forward_stop,
165	.show   = x25_seq_forward_show,
166};
167
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
168int __init x25_proc_init(void)
169{
170	if (!proc_mkdir("x25", init_net.proc_net))
171		return -ENOMEM;
172
173	if (!proc_create_seq("x25/route", 0444, init_net.proc_net,
174			 &x25_seq_route_ops))
175		goto out;
176
177	if (!proc_create_seq("x25/socket", 0444, init_net.proc_net,
178			 &x25_seq_socket_ops))
179		goto out;
180
181	if (!proc_create_seq("x25/forward", 0444, init_net.proc_net,
182			 &x25_seq_forward_ops))
183		goto out;
184	return 0;
185
186out:
187	remove_proc_subtree("x25", init_net.proc_net);
188	return -ENOMEM;
189}
190
191void __exit x25_proc_exit(void)
192{
193	remove_proc_subtree("x25", init_net.proc_net);
194}
195
196#else /* CONFIG_PROC_FS */
197
198int __init x25_proc_init(void)
199{
200	return 0;
201}
202
203void __exit x25_proc_exit(void)
204{
205}
206#endif /* CONFIG_PROC_FS */