Loading...
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 */
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 struct net_device *dev;
83 const char *devname;
84
85 if (v == SEQ_START_TOKEN) {
86 seq_printf(seq, "dest_addr src_addr dev lci st vs vr "
87 "va t t2 t21 t22 t23 Snd-Q Rcv-Q inode\n");
88 goto out;
89 }
90
91 s = sk_entry(v);
92 x25 = x25_sk(s);
93
94 if (!x25->neighbour || (dev = x25->neighbour->dev) == NULL)
95 devname = "???";
96 else
97 devname = x25->neighbour->dev->name;
98
99 seq_printf(seq, "%-10s %-10s %-5s %3.3X %d %d %d %d %3lu %3lu "
100 "%3lu %3lu %3lu %5d %5d %ld\n",
101 !x25->dest_addr.x25_addr[0] ? "*" : x25->dest_addr.x25_addr,
102 !x25->source_addr.x25_addr[0] ? "*" : x25->source_addr.x25_addr,
103 devname, x25->lci & 0x0FFF, x25->state, x25->vs, x25->vr,
104 x25->va, x25_display_timer(s) / HZ, x25->t2 / HZ,
105 x25->t21 / HZ, x25->t22 / HZ, x25->t23 / HZ,
106 sk_wmem_alloc_get(s),
107 sk_rmem_alloc_get(s),
108 s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
109out:
110 return 0;
111}
112
113static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos)
114 __acquires(x25_forward_list_lock)
115{
116 read_lock_bh(&x25_forward_list_lock);
117 return seq_list_start_head(&x25_forward_list, *pos);
118}
119
120static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos)
121{
122 return seq_list_next(v, &x25_forward_list, pos);
123}
124
125static void x25_seq_forward_stop(struct seq_file *seq, void *v)
126 __releases(x25_forward_list_lock)
127{
128 read_unlock_bh(&x25_forward_list_lock);
129}
130
131static int x25_seq_forward_show(struct seq_file *seq, void *v)
132{
133 struct x25_forward *f = list_entry(v, struct x25_forward, node);
134
135 if (v == &x25_forward_list) {
136 seq_printf(seq, "lci dev1 dev2\n");
137 goto out;
138 }
139
140 f = v;
141
142 seq_printf(seq, "%d %-10s %-10s\n",
143 f->lci, f->dev1->name, f->dev2->name);
144out:
145 return 0;
146}
147
148static const struct seq_operations x25_seq_route_ops = {
149 .start = x25_seq_route_start,
150 .next = x25_seq_route_next,
151 .stop = x25_seq_route_stop,
152 .show = x25_seq_route_show,
153};
154
155static const struct seq_operations x25_seq_socket_ops = {
156 .start = x25_seq_socket_start,
157 .next = x25_seq_socket_next,
158 .stop = x25_seq_socket_stop,
159 .show = x25_seq_socket_show,
160};
161
162static const struct seq_operations x25_seq_forward_ops = {
163 .start = x25_seq_forward_start,
164 .next = x25_seq_forward_next,
165 .stop = x25_seq_forward_stop,
166 .show = x25_seq_forward_show,
167};
168
169int __init x25_proc_init(void)
170{
171 if (!proc_mkdir("x25", init_net.proc_net))
172 return -ENOMEM;
173
174 if (!proc_create_seq("x25/route", 0444, init_net.proc_net,
175 &x25_seq_route_ops))
176 goto out;
177
178 if (!proc_create_seq("x25/socket", 0444, init_net.proc_net,
179 &x25_seq_socket_ops))
180 goto out;
181
182 if (!proc_create_seq("x25/forward", 0444, init_net.proc_net,
183 &x25_seq_forward_ops))
184 goto out;
185 return 0;
186
187out:
188 remove_proc_subtree("x25", init_net.proc_net);
189 return -ENOMEM;
190}
191
192void __exit x25_proc_exit(void)
193{
194 remove_proc_subtree("x25", init_net.proc_net);
195}
196
197#else /* CONFIG_PROC_FS */
198
199int __init x25_proc_init(void)
200{
201 return 0;
202}
203
204void __exit x25_proc_exit(void)
205{
206}
207#endif /* CONFIG_PROC_FS */