~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/net/x25/x25_proc.c

Version: ~ [ linux-5.5-rc1 ] ~ [ linux-5.4.2 ] ~ [ linux-5.3.15 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.88 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.158 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.206 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.206 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.78 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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 
 30 static 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 
 37 static 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 
 42 static 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 
 48 static 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 : "???");
 61 out:
 62         return 0;
 63 }
 64 
 65 static 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 
 72 static 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 
 77 static 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 
 83 static 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);
114 out:
115         return 0;
116 }
117 
118 static 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 
125 static 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 
130 static 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 
136 static 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);
149 out:
150         return 0;
151 }
152 
153 static 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 
160 static 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 
167 static 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 
174 static int x25_seq_socket_open(struct inode *inode, struct file *file)
175 {
176         return seq_open(file, &x25_seq_socket_ops);
177 }
178 
179 static int x25_seq_route_open(struct inode *inode, struct file *file)
180 {
181         return seq_open(file, &x25_seq_route_ops);
182 }
183 
184 static int x25_seq_forward_open(struct inode *inode, struct file *file)
185 {
186         return seq_open(file, &x25_seq_forward_ops);
187 }
188 
189 static const struct file_operations x25_seq_socket_fops = {
190         .owner          = THIS_MODULE,
191         .open           = x25_seq_socket_open,
192         .read           = seq_read,
193         .llseek         = seq_lseek,
194         .release        = seq_release,
195 };
196 
197 static const struct file_operations x25_seq_route_fops = {
198         .owner          = THIS_MODULE,
199         .open           = x25_seq_route_open,
200         .read           = seq_read,
201         .llseek         = seq_lseek,
202         .release        = seq_release,
203 };
204 
205 static const struct file_operations x25_seq_forward_fops = {
206         .owner          = THIS_MODULE,
207         .open           = x25_seq_forward_open,
208         .read           = seq_read,
209         .llseek         = seq_lseek,
210         .release        = seq_release,
211 };
212 
213 static struct proc_dir_entry *x25_proc_dir;
214 
215 int __init x25_proc_init(void)
216 {
217         struct proc_dir_entry *p;
218         int rc = -ENOMEM;
219 
220         x25_proc_dir = proc_mkdir("x25", init_net.proc_net);
221         if (!x25_proc_dir)
222                 goto out;
223 
224         p = proc_create("route", S_IRUGO, x25_proc_dir, &x25_seq_route_fops);
225         if (!p)
226                 goto out_route;
227 
228         p = proc_create("socket", S_IRUGO, x25_proc_dir, &x25_seq_socket_fops);
229         if (!p)
230                 goto out_socket;
231 
232         p = proc_create("forward", S_IRUGO, x25_proc_dir,
233                         &x25_seq_forward_fops);
234         if (!p)
235                 goto out_forward;
236         rc = 0;
237 
238 out:
239         return rc;
240 out_forward:
241         remove_proc_entry("socket", x25_proc_dir);
242 out_socket:
243         remove_proc_entry("route", x25_proc_dir);
244 out_route:
245         remove_proc_entry("x25", init_net.proc_net);
246         goto out;
247 }
248 
249 void __exit x25_proc_exit(void)
250 {
251         remove_proc_entry("forward", x25_proc_dir);
252         remove_proc_entry("route", x25_proc_dir);
253         remove_proc_entry("socket", x25_proc_dir);
254         remove_proc_entry("x25", init_net.proc_net);
255 }
256 
257 #else /* CONFIG_PROC_FS */
258 
259 int __init x25_proc_init(void)
260 {
261         return 0;
262 }
263 
264 void __exit x25_proc_exit(void)
265 {
266 }
267 #endif /* CONFIG_PROC_FS */
268 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp