diff options
Diffstat (limited to 'net/ipx/ipx_proc.c')
-rw-r--r-- | net/ipx/ipx_proc.c | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c new file mode 100644 index 000000000000..b6761913445a --- /dev/null +++ b/net/ipx/ipx_proc.c | |||
@@ -0,0 +1,408 @@ | |||
1 | /* | ||
2 | * IPX proc routines | ||
3 | * | ||
4 | * Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002 | ||
5 | */ | ||
6 | |||
7 | #include <linux/config.h> | ||
8 | #include <linux/init.h> | ||
9 | #ifdef CONFIG_PROC_FS | ||
10 | #include <linux/proc_fs.h> | ||
11 | #include <linux/spinlock.h> | ||
12 | #include <linux/seq_file.h> | ||
13 | #include <linux/tcp.h> | ||
14 | #include <net/ipx.h> | ||
15 | |||
16 | static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos) | ||
17 | { | ||
18 | struct ipx_interface *i; | ||
19 | |||
20 | list_for_each_entry(i, &ipx_interfaces, node) | ||
21 | if (!pos--) | ||
22 | goto out; | ||
23 | i = NULL; | ||
24 | out: | ||
25 | return i; | ||
26 | } | ||
27 | |||
28 | static struct ipx_interface *ipx_interfaces_next(struct ipx_interface *i) | ||
29 | { | ||
30 | struct ipx_interface *rc = NULL; | ||
31 | |||
32 | if (i->node.next != &ipx_interfaces) | ||
33 | rc = list_entry(i->node.next, struct ipx_interface, node); | ||
34 | return rc; | ||
35 | } | ||
36 | |||
37 | static void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos) | ||
38 | { | ||
39 | loff_t l = *pos; | ||
40 | |||
41 | spin_lock_bh(&ipx_interfaces_lock); | ||
42 | return l ? ipx_get_interface_idx(--l) : SEQ_START_TOKEN; | ||
43 | } | ||
44 | |||
45 | static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos) | ||
46 | { | ||
47 | struct ipx_interface *i; | ||
48 | |||
49 | ++*pos; | ||
50 | if (v == SEQ_START_TOKEN) | ||
51 | i = ipx_interfaces_head(); | ||
52 | else | ||
53 | i = ipx_interfaces_next(v); | ||
54 | return i; | ||
55 | } | ||
56 | |||
57 | static void ipx_seq_interface_stop(struct seq_file *seq, void *v) | ||
58 | { | ||
59 | spin_unlock_bh(&ipx_interfaces_lock); | ||
60 | } | ||
61 | |||
62 | static int ipx_seq_interface_show(struct seq_file *seq, void *v) | ||
63 | { | ||
64 | struct ipx_interface *i; | ||
65 | |||
66 | if (v == SEQ_START_TOKEN) { | ||
67 | seq_puts(seq, "Network Node_Address Primary Device " | ||
68 | "Frame_Type"); | ||
69 | #ifdef IPX_REFCNT_DEBUG | ||
70 | seq_puts(seq, " refcnt"); | ||
71 | #endif | ||
72 | seq_puts(seq, "\n"); | ||
73 | goto out; | ||
74 | } | ||
75 | |||
76 | i = v; | ||
77 | seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum)); | ||
78 | seq_printf(seq, "%02X%02X%02X%02X%02X%02X ", | ||
79 | i->if_node[0], i->if_node[1], i->if_node[2], | ||
80 | i->if_node[3], i->if_node[4], i->if_node[5]); | ||
81 | seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No"); | ||
82 | seq_printf(seq, "%-11s", ipx_device_name(i)); | ||
83 | seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type)); | ||
84 | #ifdef IPX_REFCNT_DEBUG | ||
85 | seq_printf(seq, "%6d", atomic_read(&i->refcnt)); | ||
86 | #endif | ||
87 | seq_puts(seq, "\n"); | ||
88 | out: | ||
89 | return 0; | ||
90 | } | ||
91 | |||
92 | static struct ipx_route *ipx_routes_head(void) | ||
93 | { | ||
94 | struct ipx_route *rc = NULL; | ||
95 | |||
96 | if (!list_empty(&ipx_routes)) | ||
97 | rc = list_entry(ipx_routes.next, struct ipx_route, node); | ||
98 | return rc; | ||
99 | } | ||
100 | |||
101 | static struct ipx_route *ipx_routes_next(struct ipx_route *r) | ||
102 | { | ||
103 | struct ipx_route *rc = NULL; | ||
104 | |||
105 | if (r->node.next != &ipx_routes) | ||
106 | rc = list_entry(r->node.next, struct ipx_route, node); | ||
107 | return rc; | ||
108 | } | ||
109 | |||
110 | static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos) | ||
111 | { | ||
112 | struct ipx_route *r; | ||
113 | |||
114 | list_for_each_entry(r, &ipx_routes, node) | ||
115 | if (!pos--) | ||
116 | goto out; | ||
117 | r = NULL; | ||
118 | out: | ||
119 | return r; | ||
120 | } | ||
121 | |||
122 | static void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos) | ||
123 | { | ||
124 | loff_t l = *pos; | ||
125 | read_lock_bh(&ipx_routes_lock); | ||
126 | return l ? ipx_get_route_idx(--l) : SEQ_START_TOKEN; | ||
127 | } | ||
128 | |||
129 | static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos) | ||
130 | { | ||
131 | struct ipx_route *r; | ||
132 | |||
133 | ++*pos; | ||
134 | if (v == SEQ_START_TOKEN) | ||
135 | r = ipx_routes_head(); | ||
136 | else | ||
137 | r = ipx_routes_next(v); | ||
138 | return r; | ||
139 | } | ||
140 | |||
141 | static void ipx_seq_route_stop(struct seq_file *seq, void *v) | ||
142 | { | ||
143 | read_unlock_bh(&ipx_routes_lock); | ||
144 | } | ||
145 | |||
146 | static int ipx_seq_route_show(struct seq_file *seq, void *v) | ||
147 | { | ||
148 | struct ipx_route *rt; | ||
149 | |||
150 | if (v == SEQ_START_TOKEN) { | ||
151 | seq_puts(seq, "Network Router_Net Router_Node\n"); | ||
152 | goto out; | ||
153 | } | ||
154 | rt = v; | ||
155 | seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net)); | ||
156 | if (rt->ir_routed) | ||
157 | seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n", | ||
158 | (long unsigned int)ntohl(rt->ir_intrfc->if_netnum), | ||
159 | rt->ir_router_node[0], rt->ir_router_node[1], | ||
160 | rt->ir_router_node[2], rt->ir_router_node[3], | ||
161 | rt->ir_router_node[4], rt->ir_router_node[5]); | ||
162 | else | ||
163 | seq_puts(seq, "Directly Connected\n"); | ||
164 | out: | ||
165 | return 0; | ||
166 | } | ||
167 | |||
168 | static __inline__ struct sock *ipx_get_socket_idx(loff_t pos) | ||
169 | { | ||
170 | struct sock *s = NULL; | ||
171 | struct hlist_node *node; | ||
172 | struct ipx_interface *i; | ||
173 | |||
174 | list_for_each_entry(i, &ipx_interfaces, node) { | ||
175 | spin_lock_bh(&i->if_sklist_lock); | ||
176 | sk_for_each(s, node, &i->if_sklist) { | ||
177 | if (!pos) | ||
178 | break; | ||
179 | --pos; | ||
180 | } | ||
181 | spin_unlock_bh(&i->if_sklist_lock); | ||
182 | if (!pos) { | ||
183 | if (node) | ||
184 | goto found; | ||
185 | break; | ||
186 | } | ||
187 | } | ||
188 | s = NULL; | ||
189 | found: | ||
190 | return s; | ||
191 | } | ||
192 | |||
193 | static void *ipx_seq_socket_start(struct seq_file *seq, loff_t *pos) | ||
194 | { | ||
195 | loff_t l = *pos; | ||
196 | |||
197 | spin_lock_bh(&ipx_interfaces_lock); | ||
198 | return l ? ipx_get_socket_idx(--l) : SEQ_START_TOKEN; | ||
199 | } | ||
200 | |||
201 | static void *ipx_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos) | ||
202 | { | ||
203 | struct sock* sk, *next; | ||
204 | struct ipx_interface *i; | ||
205 | struct ipx_sock *ipxs; | ||
206 | |||
207 | ++*pos; | ||
208 | if (v == SEQ_START_TOKEN) { | ||
209 | sk = NULL; | ||
210 | i = ipx_interfaces_head(); | ||
211 | if (!i) | ||
212 | goto out; | ||
213 | sk = sk_head(&i->if_sklist); | ||
214 | if (sk) | ||
215 | spin_lock_bh(&i->if_sklist_lock); | ||
216 | goto out; | ||
217 | } | ||
218 | sk = v; | ||
219 | next = sk_next(sk); | ||
220 | if (next) { | ||
221 | sk = next; | ||
222 | goto out; | ||
223 | } | ||
224 | ipxs = ipx_sk(sk); | ||
225 | i = ipxs->intrfc; | ||
226 | spin_unlock_bh(&i->if_sklist_lock); | ||
227 | sk = NULL; | ||
228 | for (;;) { | ||
229 | i = ipx_interfaces_next(i); | ||
230 | if (!i) | ||
231 | break; | ||
232 | spin_lock_bh(&i->if_sklist_lock); | ||
233 | if (!hlist_empty(&i->if_sklist)) { | ||
234 | sk = sk_head(&i->if_sklist); | ||
235 | break; | ||
236 | } | ||
237 | spin_unlock_bh(&i->if_sklist_lock); | ||
238 | } | ||
239 | out: | ||
240 | return sk; | ||
241 | } | ||
242 | |||
243 | static int ipx_seq_socket_show(struct seq_file *seq, void *v) | ||
244 | { | ||
245 | struct sock *s; | ||
246 | struct ipx_sock *ipxs; | ||
247 | |||
248 | if (v == SEQ_START_TOKEN) { | ||
249 | #ifdef CONFIG_IPX_INTERN | ||
250 | seq_puts(seq, "Local_Address " | ||
251 | "Remote_Address Tx_Queue " | ||
252 | "Rx_Queue State Uid\n"); | ||
253 | #else | ||
254 | seq_puts(seq, "Local_Address Remote_Address " | ||
255 | "Tx_Queue Rx_Queue State Uid\n"); | ||
256 | #endif | ||
257 | goto out; | ||
258 | } | ||
259 | |||
260 | s = v; | ||
261 | ipxs = ipx_sk(s); | ||
262 | #ifdef CONFIG_IPX_INTERN | ||
263 | seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ", | ||
264 | (unsigned long)htonl(ipxs->intrfc->if_netnum), | ||
265 | ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3], | ||
266 | ipxs->node[4], ipxs->node[5], htons(ipxs->port)); | ||
267 | #else | ||
268 | seq_printf(seq, "%08lX:%04X ", (unsigned long) htonl(ipxs->intrfc->if_netnum), | ||
269 | htons(ipxs->port)); | ||
270 | #endif /* CONFIG_IPX_INTERN */ | ||
271 | if (s->sk_state != TCP_ESTABLISHED) | ||
272 | seq_printf(seq, "%-28s", "Not_Connected"); | ||
273 | else { | ||
274 | seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ", | ||
275 | (unsigned long)htonl(ipxs->dest_addr.net), | ||
276 | ipxs->dest_addr.node[0], ipxs->dest_addr.node[1], | ||
277 | ipxs->dest_addr.node[2], ipxs->dest_addr.node[3], | ||
278 | ipxs->dest_addr.node[4], ipxs->dest_addr.node[5], | ||
279 | htons(ipxs->dest_addr.sock)); | ||
280 | } | ||
281 | |||
282 | seq_printf(seq, "%08X %08X %02X %03d\n", | ||
283 | atomic_read(&s->sk_wmem_alloc), | ||
284 | atomic_read(&s->sk_rmem_alloc), | ||
285 | s->sk_state, SOCK_INODE(s->sk_socket)->i_uid); | ||
286 | out: | ||
287 | return 0; | ||
288 | } | ||
289 | |||
290 | static struct seq_operations ipx_seq_interface_ops = { | ||
291 | .start = ipx_seq_interface_start, | ||
292 | .next = ipx_seq_interface_next, | ||
293 | .stop = ipx_seq_interface_stop, | ||
294 | .show = ipx_seq_interface_show, | ||
295 | }; | ||
296 | |||
297 | static struct seq_operations ipx_seq_route_ops = { | ||
298 | .start = ipx_seq_route_start, | ||
299 | .next = ipx_seq_route_next, | ||
300 | .stop = ipx_seq_route_stop, | ||
301 | .show = ipx_seq_route_show, | ||
302 | }; | ||
303 | |||
304 | static struct seq_operations ipx_seq_socket_ops = { | ||
305 | .start = ipx_seq_socket_start, | ||
306 | .next = ipx_seq_socket_next, | ||
307 | .stop = ipx_seq_interface_stop, | ||
308 | .show = ipx_seq_socket_show, | ||
309 | }; | ||
310 | |||
311 | static int ipx_seq_route_open(struct inode *inode, struct file *file) | ||
312 | { | ||
313 | return seq_open(file, &ipx_seq_route_ops); | ||
314 | } | ||
315 | |||
316 | static int ipx_seq_interface_open(struct inode *inode, struct file *file) | ||
317 | { | ||
318 | return seq_open(file, &ipx_seq_interface_ops); | ||
319 | } | ||
320 | |||
321 | static int ipx_seq_socket_open(struct inode *inode, struct file *file) | ||
322 | { | ||
323 | return seq_open(file, &ipx_seq_socket_ops); | ||
324 | } | ||
325 | |||
326 | static struct file_operations ipx_seq_interface_fops = { | ||
327 | .owner = THIS_MODULE, | ||
328 | .open = ipx_seq_interface_open, | ||
329 | .read = seq_read, | ||
330 | .llseek = seq_lseek, | ||
331 | .release = seq_release, | ||
332 | }; | ||
333 | |||
334 | static struct file_operations ipx_seq_route_fops = { | ||
335 | .owner = THIS_MODULE, | ||
336 | .open = ipx_seq_route_open, | ||
337 | .read = seq_read, | ||
338 | .llseek = seq_lseek, | ||
339 | .release = seq_release, | ||
340 | }; | ||
341 | |||
342 | static struct file_operations ipx_seq_socket_fops = { | ||
343 | .owner = THIS_MODULE, | ||
344 | .open = ipx_seq_socket_open, | ||
345 | .read = seq_read, | ||
346 | .llseek = seq_lseek, | ||
347 | .release = seq_release, | ||
348 | }; | ||
349 | |||
350 | static struct proc_dir_entry *ipx_proc_dir; | ||
351 | |||
352 | int __init ipx_proc_init(void) | ||
353 | { | ||
354 | struct proc_dir_entry *p; | ||
355 | int rc = -ENOMEM; | ||
356 | |||
357 | ipx_proc_dir = proc_mkdir("ipx", proc_net); | ||
358 | |||
359 | if (!ipx_proc_dir) | ||
360 | goto out; | ||
361 | p = create_proc_entry("interface", S_IRUGO, ipx_proc_dir); | ||
362 | if (!p) | ||
363 | goto out_interface; | ||
364 | |||
365 | p->proc_fops = &ipx_seq_interface_fops; | ||
366 | p = create_proc_entry("route", S_IRUGO, ipx_proc_dir); | ||
367 | if (!p) | ||
368 | goto out_route; | ||
369 | |||
370 | p->proc_fops = &ipx_seq_route_fops; | ||
371 | p = create_proc_entry("socket", S_IRUGO, ipx_proc_dir); | ||
372 | if (!p) | ||
373 | goto out_socket; | ||
374 | |||
375 | p->proc_fops = &ipx_seq_socket_fops; | ||
376 | |||
377 | rc = 0; | ||
378 | out: | ||
379 | return rc; | ||
380 | out_socket: | ||
381 | remove_proc_entry("route", ipx_proc_dir); | ||
382 | out_route: | ||
383 | remove_proc_entry("interface", ipx_proc_dir); | ||
384 | out_interface: | ||
385 | remove_proc_entry("ipx", proc_net); | ||
386 | goto out; | ||
387 | } | ||
388 | |||
389 | void __exit ipx_proc_exit(void) | ||
390 | { | ||
391 | remove_proc_entry("interface", ipx_proc_dir); | ||
392 | remove_proc_entry("route", ipx_proc_dir); | ||
393 | remove_proc_entry("socket", ipx_proc_dir); | ||
394 | remove_proc_entry("ipx", proc_net); | ||
395 | } | ||
396 | |||
397 | #else /* CONFIG_PROC_FS */ | ||
398 | |||
399 | int __init ipx_proc_init(void) | ||
400 | { | ||
401 | return 0; | ||
402 | } | ||
403 | |||
404 | void __exit ipx_proc_exit(void) | ||
405 | { | ||
406 | } | ||
407 | |||
408 | #endif /* CONFIG_PROC_FS */ | ||