ia64/linux-2.6.18-xen.hg

view net/appletalk/atalk_proc.c @ 673:3161879fdf22

[IA64] xencomm: support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap

support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Tue Sep 16 21:26:15 2008 +0900 (2008-09-16)
parents 831230e53067
children
line source
1 /*
2 * atalk_proc.c - proc support for Appletalk
3 *
4 * Copyright(c) Arnaldo Carvalho de Melo <acme@conectiva.com.br>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation, version 2.
9 */
11 #include <linux/init.h>
12 #include <linux/proc_fs.h>
13 #include <linux/seq_file.h>
14 #include <net/sock.h>
15 #include <linux/atalk.h>
18 static __inline__ struct atalk_iface *atalk_get_interface_idx(loff_t pos)
19 {
20 struct atalk_iface *i;
22 for (i = atalk_interfaces; pos && i; i = i->next)
23 --pos;
25 return i;
26 }
28 static void *atalk_seq_interface_start(struct seq_file *seq, loff_t *pos)
29 {
30 loff_t l = *pos;
32 read_lock_bh(&atalk_interfaces_lock);
33 return l ? atalk_get_interface_idx(--l) : SEQ_START_TOKEN;
34 }
36 static void *atalk_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
37 {
38 struct atalk_iface *i;
40 ++*pos;
41 if (v == SEQ_START_TOKEN) {
42 i = NULL;
43 if (atalk_interfaces)
44 i = atalk_interfaces;
45 goto out;
46 }
47 i = v;
48 i = i->next;
49 out:
50 return i;
51 }
53 static void atalk_seq_interface_stop(struct seq_file *seq, void *v)
54 {
55 read_unlock_bh(&atalk_interfaces_lock);
56 }
58 static int atalk_seq_interface_show(struct seq_file *seq, void *v)
59 {
60 struct atalk_iface *iface;
62 if (v == SEQ_START_TOKEN) {
63 seq_puts(seq, "Interface Address Networks "
64 "Status\n");
65 goto out;
66 }
68 iface = v;
69 seq_printf(seq, "%-16s %04X:%02X %04X-%04X %d\n",
70 iface->dev->name, ntohs(iface->address.s_net),
71 iface->address.s_node, ntohs(iface->nets.nr_firstnet),
72 ntohs(iface->nets.nr_lastnet), iface->status);
73 out:
74 return 0;
75 }
77 static __inline__ struct atalk_route *atalk_get_route_idx(loff_t pos)
78 {
79 struct atalk_route *r;
81 for (r = atalk_routes; pos && r; r = r->next)
82 --pos;
84 return r;
85 }
87 static void *atalk_seq_route_start(struct seq_file *seq, loff_t *pos)
88 {
89 loff_t l = *pos;
91 read_lock_bh(&atalk_routes_lock);
92 return l ? atalk_get_route_idx(--l) : SEQ_START_TOKEN;
93 }
95 static void *atalk_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
96 {
97 struct atalk_route *r;
99 ++*pos;
100 if (v == SEQ_START_TOKEN) {
101 r = NULL;
102 if (atalk_routes)
103 r = atalk_routes;
104 goto out;
105 }
106 r = v;
107 r = r->next;
108 out:
109 return r;
110 }
112 static void atalk_seq_route_stop(struct seq_file *seq, void *v)
113 {
114 read_unlock_bh(&atalk_routes_lock);
115 }
117 static int atalk_seq_route_show(struct seq_file *seq, void *v)
118 {
119 struct atalk_route *rt;
121 if (v == SEQ_START_TOKEN) {
122 seq_puts(seq, "Target Router Flags Dev\n");
123 goto out;
124 }
126 if (atrtr_default.dev) {
127 rt = &atrtr_default;
128 seq_printf(seq, "Default %04X:%02X %-4d %s\n",
129 ntohs(rt->gateway.s_net), rt->gateway.s_node,
130 rt->flags, rt->dev->name);
131 }
133 rt = v;
134 seq_printf(seq, "%04X:%02X %04X:%02X %-4d %s\n",
135 ntohs(rt->target.s_net), rt->target.s_node,
136 ntohs(rt->gateway.s_net), rt->gateway.s_node,
137 rt->flags, rt->dev->name);
138 out:
139 return 0;
140 }
142 static __inline__ struct sock *atalk_get_socket_idx(loff_t pos)
143 {
144 struct sock *s;
145 struct hlist_node *node;
147 sk_for_each(s, node, &atalk_sockets)
148 if (!pos--)
149 goto found;
150 s = NULL;
151 found:
152 return s;
153 }
155 static void *atalk_seq_socket_start(struct seq_file *seq, loff_t *pos)
156 {
157 loff_t l = *pos;
159 read_lock_bh(&atalk_sockets_lock);
160 return l ? atalk_get_socket_idx(--l) : SEQ_START_TOKEN;
161 }
163 static void *atalk_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
164 {
165 struct sock *i;
167 ++*pos;
168 if (v == SEQ_START_TOKEN) {
169 i = sk_head(&atalk_sockets);
170 goto out;
171 }
172 i = sk_next(v);
173 out:
174 return i;
175 }
177 static void atalk_seq_socket_stop(struct seq_file *seq, void *v)
178 {
179 read_unlock_bh(&atalk_sockets_lock);
180 }
182 static int atalk_seq_socket_show(struct seq_file *seq, void *v)
183 {
184 struct sock *s;
185 struct atalk_sock *at;
187 if (v == SEQ_START_TOKEN) {
188 seq_printf(seq, "Type Local_addr Remote_addr Tx_queue "
189 "Rx_queue St UID\n");
190 goto out;
191 }
193 s = v;
194 at = at_sk(s);
196 seq_printf(seq, "%02X %04X:%02X:%02X %04X:%02X:%02X %08X:%08X "
197 "%02X %d\n",
198 s->sk_type, ntohs(at->src_net), at->src_node, at->src_port,
199 ntohs(at->dest_net), at->dest_node, at->dest_port,
200 atomic_read(&s->sk_wmem_alloc),
201 atomic_read(&s->sk_rmem_alloc),
202 s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
203 out:
204 return 0;
205 }
207 static struct seq_operations atalk_seq_interface_ops = {
208 .start = atalk_seq_interface_start,
209 .next = atalk_seq_interface_next,
210 .stop = atalk_seq_interface_stop,
211 .show = atalk_seq_interface_show,
212 };
214 static struct seq_operations atalk_seq_route_ops = {
215 .start = atalk_seq_route_start,
216 .next = atalk_seq_route_next,
217 .stop = atalk_seq_route_stop,
218 .show = atalk_seq_route_show,
219 };
221 static struct seq_operations atalk_seq_socket_ops = {
222 .start = atalk_seq_socket_start,
223 .next = atalk_seq_socket_next,
224 .stop = atalk_seq_socket_stop,
225 .show = atalk_seq_socket_show,
226 };
228 static int atalk_seq_interface_open(struct inode *inode, struct file *file)
229 {
230 return seq_open(file, &atalk_seq_interface_ops);
231 }
233 static int atalk_seq_route_open(struct inode *inode, struct file *file)
234 {
235 return seq_open(file, &atalk_seq_route_ops);
236 }
238 static int atalk_seq_socket_open(struct inode *inode, struct file *file)
239 {
240 return seq_open(file, &atalk_seq_socket_ops);
241 }
243 static struct file_operations atalk_seq_interface_fops = {
244 .owner = THIS_MODULE,
245 .open = atalk_seq_interface_open,
246 .read = seq_read,
247 .llseek = seq_lseek,
248 .release = seq_release,
249 };
251 static struct file_operations atalk_seq_route_fops = {
252 .owner = THIS_MODULE,
253 .open = atalk_seq_route_open,
254 .read = seq_read,
255 .llseek = seq_lseek,
256 .release = seq_release,
257 };
259 static struct file_operations atalk_seq_socket_fops = {
260 .owner = THIS_MODULE,
261 .open = atalk_seq_socket_open,
262 .read = seq_read,
263 .llseek = seq_lseek,
264 .release = seq_release,
265 };
267 static struct proc_dir_entry *atalk_proc_dir;
269 int __init atalk_proc_init(void)
270 {
271 struct proc_dir_entry *p;
272 int rc = -ENOMEM;
274 atalk_proc_dir = proc_mkdir("atalk", proc_net);
275 if (!atalk_proc_dir)
276 goto out;
277 atalk_proc_dir->owner = THIS_MODULE;
279 p = create_proc_entry("interface", S_IRUGO, atalk_proc_dir);
280 if (!p)
281 goto out_interface;
282 p->proc_fops = &atalk_seq_interface_fops;
284 p = create_proc_entry("route", S_IRUGO, atalk_proc_dir);
285 if (!p)
286 goto out_route;
287 p->proc_fops = &atalk_seq_route_fops;
289 p = create_proc_entry("socket", S_IRUGO, atalk_proc_dir);
290 if (!p)
291 goto out_socket;
292 p->proc_fops = &atalk_seq_socket_fops;
294 p = create_proc_entry("arp", S_IRUGO, atalk_proc_dir);
295 if (!p)
296 goto out_arp;
297 p->proc_fops = &atalk_seq_arp_fops;
299 rc = 0;
300 out:
301 return rc;
302 out_arp:
303 remove_proc_entry("socket", atalk_proc_dir);
304 out_socket:
305 remove_proc_entry("route", atalk_proc_dir);
306 out_route:
307 remove_proc_entry("interface", atalk_proc_dir);
308 out_interface:
309 remove_proc_entry("atalk", proc_net);
310 goto out;
311 }
313 void __exit atalk_proc_exit(void)
314 {
315 remove_proc_entry("interface", atalk_proc_dir);
316 remove_proc_entry("route", atalk_proc_dir);
317 remove_proc_entry("socket", atalk_proc_dir);
318 remove_proc_entry("arp", atalk_proc_dir);
319 remove_proc_entry("atalk", proc_net);
320 }