Release 4.11 net/x25/x25_proc.c

/*
 *      X.25 Packet Layer release 002
 *
 *      This is ALPHA test software. This code may break your machine,
 *      randomly fail to work with new releases, misbehave and/or generally
 *      screw up. It might even work.
 *
 *      This code REQUIRES 2.4 with seq_file support
 *
 *      This module:
 *              This module is free software; you can redistribute it and/or
 *              modify it under the terms of the GNU General Public License
 *              as published by the Free Software Foundation; either version
 *              2 of the License, or (at your option) any later version.
 *
 *      History
 *      2002/10/06      Arnaldo Carvalho de Melo  seq_file support
 */

#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/export.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/x25.h>

#ifdef CONFIG_PROC_FS


static void *x25_seq_route_start(struct seq_file *seq, loff_t *pos)
	__acquires
(x25_route_list_lock)
{
	read_lock_bh(&x25_route_list_lock);
	return seq_list_start_head(&x25_route_list, *pos);
}

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1
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4
11.11%
1
33.33%
Total
36
100.00%
3
100.00%



static void *x25_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_list_next(v, &x25_route_list, pos);
}

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12.90%
1
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31
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2
100.00%


static void x25_seq_route_stop(struct seq_file *seq, void *v)
	__releases
(x25_route_list_lock)
{
	read_unlock_bh(&x25_route_list_lock);
}

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2
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static int x25_seq_route_show(struct seq_file *seq, void *v)
{
	struct x25_route *rt = list_entry(v, struct x25_route, node);

	if (v == &x25_route_list) {
		seq_puts(seq, "Address          Digits  Device\n");
		goto out;
	}

	rt = v;
	seq_printf(seq, "%-15s  %-6d  %-5s\n",
		   rt->address.x25_addr, rt->sigdigits,
		   rt->dev ? rt->dev->name : "???");
out:
	return 0;
}

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87
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2
100.00%


static void *x25_seq_socket_start(struct seq_file *seq, loff_t *pos)
	__acquires
(x25_list_lock)
{
	read_lock_bh(&x25_list_lock);
	return seq_hlist_start_head(&x25_list, *pos);
}

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33.33%
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19.44%
1
33.33%
Eric Dumazet
4
11.11%
1
33.33%
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36
100.00%
3
100.00%



static void *x25_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_hlist_next(v, &x25_list, pos);
}

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66.67%
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19.35%
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31
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3
100.00%


static void x25_seq_socket_stop(struct seq_file *seq, void *v)
	__releases
(x25_list_lock)
{
	read_unlock_bh(&x25_list_lock);
}

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16.00%
1
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25
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2
100.00%



static int x25_seq_socket_show(struct seq_file *seq, void *v)
{
	struct sock *s;
	struct x25_sock *x25;
	struct net_device *dev;
	const char *devname;

	if (v == SEQ_START_TOKEN) {
		seq_printf(seq, "dest_addr  src_addr   dev   lci st vs vr "
				"va   t  t2 t21 t22 t23 Snd-Q Rcv-Q inode\n");
		goto out;
	}

	s = sk_entry(v);
	x25 = x25_sk(s);

	if (!x25->neighbour || (dev = x25->neighbour->dev) == NULL)
		devname = "???";
	else
		devname = x25->neighbour->dev->name;

	seq_printf(seq, "%-10s %-10s %-5s %3.3X  %d  %d  %d  %d %3lu %3lu "
			"%3lu %3lu %3lu %5d %5d %ld\n",
		   !x25->dest_addr.x25_addr[0] ? "*" : x25->dest_addr.x25_addr,
		   !x25->source_addr.x25_addr[0] ? "*" : x25->source_addr.x25_addr,
		   devname, x25->lci & 0x0FFF, x25->state, x25->vs, x25->vr,
		   x25->va, x25_display_timer(s) / HZ, x25->t2  / HZ,
		   x25->t21 / HZ, x25->t22 / HZ, x25->t23 / HZ,
		   sk_wmem_alloc_get(s),
		   sk_rmem_alloc_get(s),
		   s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
out:
	return 0;
}

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3
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1.30%
1
16.67%
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2
0.87%
1
16.67%
Joe Perches
1
0.43%
1
16.67%
Total
231
100.00%
6
100.00%


static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos)
	__acquires
(x25_forward_list_lock)
{
	read_lock_bh(&x25_forward_list_lock);
	return seq_list_start_head(&x25_forward_list, *pos);
}

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4
11.11%
1
33.33%
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36
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3
100.00%



static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_list_next(v, &x25_forward_list, pos);
}

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4
12.90%
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31
100.00%
2
100.00%


static void x25_seq_forward_stop(struct seq_file *seq, void *v)
	__releases
(x25_forward_list_lock)
{
	read_unlock_bh(&x25_forward_list_lock);
}

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2
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static int x25_seq_forward_show(struct seq_file *seq, void *v)
{
	struct x25_forward *f = list_entry(v, struct x25_forward, node);

	if (v == &x25_forward_list) {
		seq_printf(seq, "lci dev1       dev2\n");
		goto out;
	}

	f = v;

	seq_printf(seq, "%d %-10s %-10s\n",
			f->lci, f->dev1->name, f->dev2->name);
out:
	return 0;
}

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static const struct seq_operations x25_seq_route_ops = {
	.start  = x25_seq_route_start,
	.next   = x25_seq_route_next,
	.stop   = x25_seq_route_stop,
	.show   = x25_seq_route_show,
};


static const struct seq_operations x25_seq_socket_ops = {
	.start  = x25_seq_socket_start,
	.next   = x25_seq_socket_next,
	.stop   = x25_seq_socket_stop,
	.show   = x25_seq_socket_show,
};


static const struct seq_operations x25_seq_forward_ops = {
	.start  = x25_seq_forward_start,
	.next   = x25_seq_forward_next,
	.stop   = x25_seq_forward_stop,
	.show   = x25_seq_forward_show,
};



static int x25_seq_socket_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &x25_seq_socket_ops);
}

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static int x25_seq_route_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &x25_seq_route_ops);
}

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static int x25_seq_forward_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &x25_seq_forward_ops);
}

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static const struct file_operations x25_seq_socket_fops = {
	.open		= x25_seq_socket_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static const struct file_operations x25_seq_route_fops = {
	.open		= x25_seq_route_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static const struct file_operations x25_seq_forward_fops = {
	.open		= x25_seq_forward_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};



int __init x25_proc_init(void)
{
	if (!proc_mkdir("x25", init_net.proc_net))
		return -ENOMEM;

	if (!proc_create("x25/route", S_IRUGO, init_net.proc_net,
			&x25_seq_route_fops))
		goto out;

	if (!proc_create("x25/socket", S_IRUGO, init_net.proc_net,
			&x25_seq_socket_fops))
		goto out;

	if (!proc_create("x25/forward", S_IRUGO, init_net.proc_net,
			&x25_seq_forward_fops))
		goto out;
	return 0;

out:
	remove_proc_subtree("x25", init_net.proc_net);
	return -ENOMEM;
}

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36
35.29%
1
16.67%
Wang Chen
12
11.76%
1
16.67%
Andrew Hendry
7
6.86%
1
16.67%
Eric W. Biedermann
4
3.92%
1
16.67%
Total
102
100.00%
6
100.00%



void __exit x25_proc_exit(void)
{
	remove_proc_subtree("x25", init_net.proc_net);
}

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33.33%
Eric W. Biedermann
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1
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#else /* CONFIG_PROC_FS */



int __init x25_proc_init(void)
{
	return 0;
}

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void __exit x25_proc_exit(void)
{
}
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#endif /* CONFIG_PROC_FS */
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699
64.36%
5
25.00%
Andrew Hendry
228
20.99%
1
5.00%
Li Zefan
62
5.71%
2
10.00%
Al Viro
37
3.41%
1
5.00%
Eric Dumazet
26
2.39%
2
10.00%
Wang Chen
12
1.10%
1
5.00%
Eric W. Biedermann
9
0.83%
1
5.00%
Paul Gortmaker
3
0.28%
1
5.00%
Philippe De Muyter
3
0.28%
1
5.00%
Arjan van de Ven
2
0.18%
1
5.00%
Adrian Bunk
2
0.18%
1
5.00%
Hideaki Yoshifuji / 吉藤英明
1
0.09%
1
5.00%
Jan Engelhardt
1
0.09%
1
5.00%
Joe Perches
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0.09%
1
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Directory: net/x25

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