This source file includes following definitions.
- x25_seq_route_start
- x25_seq_route_next
- x25_seq_route_stop
- x25_seq_route_show
- x25_seq_socket_start
- x25_seq_socket_next
- x25_seq_socket_stop
- x25_seq_socket_show
- x25_seq_forward_start
- x25_seq_forward_next
- x25_seq_forward_stop
- x25_seq_forward_show
- x25_proc_init
- x25_proc_exit
- x25_proc_init
- x25_proc_exit
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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
25 static 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
32 static 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
37 static 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
43 static 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 : "???");
56 out:
57 return 0;
58 }
59
60 static 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
67 static 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
72 static 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
78 static 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);
109 out:
110 return 0;
111 }
112
113 static 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
120 static 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
125 static 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
131 static 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);
144 out:
145 return 0;
146 }
147
148 static 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
155 static 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
162 static 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
169 int __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
187 out:
188 remove_proc_subtree("x25", init_net.proc_net);
189 return -ENOMEM;
190 }
191
192 void __exit x25_proc_exit(void)
193 {
194 remove_proc_subtree("x25", init_net.proc_net);
195 }
196
197 #else
198
199 int __init x25_proc_init(void)
200 {
201 return 0;
202 }
203
204 void __exit x25_proc_exit(void)
205 {
206 }
207 #endif