Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * IPX proc routines | |
3 | * | |
4 | * Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002 | |
5 | */ | |
6 | ||
1da177e4 LT |
7 | #include <linux/init.h> |
8 | #ifdef CONFIG_PROC_FS | |
9 | #include <linux/proc_fs.h> | |
10 | #include <linux/spinlock.h> | |
11 | #include <linux/seq_file.h> | |
457c4cbc | 12 | #include <net/net_namespace.h> |
c752f073 | 13 | #include <net/tcp_states.h> |
1da177e4 LT |
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 ", | |
4833ed09 | 264 | (unsigned long)ntohl(ipxs->intrfc->if_netnum), |
1da177e4 | 265 | ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3], |
4833ed09 | 266 | ipxs->node[4], ipxs->node[5], ntohs(ipxs->port)); |
1da177e4 | 267 | #else |
4833ed09 AV |
268 | seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum), |
269 | ntohs(ipxs->port)); | |
1da177e4 LT |
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 ", | |
4833ed09 | 275 | (unsigned long)ntohl(ipxs->dest_addr.net), |
1da177e4 LT |
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], | |
4833ed09 | 279 | ntohs(ipxs->dest_addr.sock)); |
1da177e4 LT |
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 | ||
56b3d975 | 290 | static const struct seq_operations ipx_seq_interface_ops = { |
1da177e4 LT |
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 | ||
56b3d975 | 297 | static const struct seq_operations ipx_seq_route_ops = { |
1da177e4 LT |
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 | ||
56b3d975 | 304 | static const struct seq_operations ipx_seq_socket_ops = { |
1da177e4 LT |
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 | ||
9a32144e | 326 | static const struct file_operations ipx_seq_interface_fops = { |
1da177e4 LT |
327 | .owner = THIS_MODULE, |
328 | .open = ipx_seq_interface_open, | |
329 | .read = seq_read, | |
330 | .llseek = seq_lseek, | |
331 | .release = seq_release, | |
332 | }; | |
333 | ||
9a32144e | 334 | static const struct file_operations ipx_seq_route_fops = { |
1da177e4 LT |
335 | .owner = THIS_MODULE, |
336 | .open = ipx_seq_route_open, | |
337 | .read = seq_read, | |
338 | .llseek = seq_lseek, | |
339 | .release = seq_release, | |
340 | }; | |
341 | ||
9a32144e | 342 | static const struct file_operations ipx_seq_socket_fops = { |
1da177e4 LT |
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; | |
981c0ff6 | 356 | |
457c4cbc | 357 | ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net); |
1da177e4 LT |
358 | |
359 | if (!ipx_proc_dir) | |
360 | goto out; | |
1e15dc98 WC |
361 | p = proc_create("interface", S_IRUGO, |
362 | ipx_proc_dir, &ipx_seq_interface_fops); | |
1da177e4 LT |
363 | if (!p) |
364 | goto out_interface; | |
365 | ||
1e15dc98 | 366 | p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops); |
1da177e4 LT |
367 | if (!p) |
368 | goto out_route; | |
369 | ||
1e15dc98 | 370 | p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops); |
1da177e4 LT |
371 | if (!p) |
372 | goto out_socket; | |
373 | ||
1da177e4 LT |
374 | rc = 0; |
375 | out: | |
376 | return rc; | |
377 | out_socket: | |
378 | remove_proc_entry("route", ipx_proc_dir); | |
379 | out_route: | |
380 | remove_proc_entry("interface", ipx_proc_dir); | |
381 | out_interface: | |
457c4cbc | 382 | remove_proc_entry("ipx", init_net.proc_net); |
1da177e4 LT |
383 | goto out; |
384 | } | |
385 | ||
386 | void __exit ipx_proc_exit(void) | |
387 | { | |
388 | remove_proc_entry("interface", ipx_proc_dir); | |
389 | remove_proc_entry("route", ipx_proc_dir); | |
390 | remove_proc_entry("socket", ipx_proc_dir); | |
457c4cbc | 391 | remove_proc_entry("ipx", init_net.proc_net); |
1da177e4 LT |
392 | } |
393 | ||
394 | #else /* CONFIG_PROC_FS */ | |
395 | ||
396 | int __init ipx_proc_init(void) | |
397 | { | |
398 | return 0; | |
399 | } | |
400 | ||
401 | void __exit ipx_proc_exit(void) | |
402 | { | |
403 | } | |
404 | ||
405 | #endif /* CONFIG_PROC_FS */ |