2 * atalk_proc.c - proc support for Appletalk
4 * Copyright(c) Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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.
11 #include <linux/config.h>
12 #include <linux/init.h>
13 #include <linux/proc_fs.h>
14 #include <linux/seq_file.h>
16 #include <linux/atalk.h>
19 extern struct file_operations atalk_seq_arp_fops;
21 static __inline__ struct atalk_iface *atalk_get_interface_idx(loff_t pos)
23 struct atalk_iface *i;
25 for (i = atalk_interfaces; pos && i; i = i->next)
31 static void *atalk_seq_interface_start(struct seq_file *seq, loff_t *pos)
35 read_lock_bh(&atalk_interfaces_lock);
36 return l ? atalk_get_interface_idx(--l) : SEQ_START_TOKEN;
39 static void *atalk_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
41 struct atalk_iface *i;
44 if (v == SEQ_START_TOKEN) {
56 static void atalk_seq_interface_stop(struct seq_file *seq, void *v)
58 read_unlock_bh(&atalk_interfaces_lock);
61 static int atalk_seq_interface_show(struct seq_file *seq, void *v)
63 struct atalk_iface *iface;
65 if (v == SEQ_START_TOKEN) {
66 seq_puts(seq, "Interface Address Networks "
72 seq_printf(seq, "%-16s %04X:%02X %04X-%04X %d\n",
73 iface->dev->name, ntohs(iface->address.s_net),
74 iface->address.s_node, ntohs(iface->nets.nr_firstnet),
75 ntohs(iface->nets.nr_lastnet), iface->status);
80 static __inline__ struct atalk_route *atalk_get_route_idx(loff_t pos)
82 struct atalk_route *r;
84 for (r = atalk_routes; pos && r; r = r->next)
90 static void *atalk_seq_route_start(struct seq_file *seq, loff_t *pos)
94 read_lock_bh(&atalk_routes_lock);
95 return l ? atalk_get_route_idx(--l) : SEQ_START_TOKEN;
98 static void *atalk_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
100 struct atalk_route *r;
103 if (v == SEQ_START_TOKEN) {
115 static void atalk_seq_route_stop(struct seq_file *seq, void *v)
117 read_unlock_bh(&atalk_routes_lock);
120 static int atalk_seq_route_show(struct seq_file *seq, void *v)
122 struct atalk_route *rt;
124 if (v == SEQ_START_TOKEN) {
125 seq_puts(seq, "Target Router Flags Dev\n");
129 if (atrtr_default.dev) {
131 seq_printf(seq, "Default %04X:%02X %-4d %s\n",
132 ntohs(rt->gateway.s_net), rt->gateway.s_node,
133 rt->flags, rt->dev->name);
137 seq_printf(seq, "%04X:%02X %04X:%02X %-4d %s\n",
138 ntohs(rt->target.s_net), rt->target.s_node,
139 ntohs(rt->gateway.s_net), rt->gateway.s_node,
140 rt->flags, rt->dev->name);
145 static __inline__ struct sock *atalk_get_socket_idx(loff_t pos)
148 struct hlist_node *node;
150 sk_for_each(s, node, &atalk_sockets)
158 static void *atalk_seq_socket_start(struct seq_file *seq, loff_t *pos)
162 read_lock_bh(&atalk_sockets_lock);
163 return l ? atalk_get_socket_idx(--l) : SEQ_START_TOKEN;
166 static void *atalk_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
171 if (v == SEQ_START_TOKEN) {
172 i = sk_head(&atalk_sockets);
180 static void atalk_seq_socket_stop(struct seq_file *seq, void *v)
182 read_unlock_bh(&atalk_sockets_lock);
185 static int atalk_seq_socket_show(struct seq_file *seq, void *v)
188 struct atalk_sock *at;
190 if (v == SEQ_START_TOKEN) {
191 seq_printf(seq, "Type Local_addr Remote_addr Tx_queue "
192 "Rx_queue St UID\n");
199 seq_printf(seq, "%02X %04X:%02X:%02X %04X:%02X:%02X %08X:%08X "
201 s->sk_type, ntohs(at->src_net), at->src_node, at->src_port,
202 ntohs(at->dest_net), at->dest_node, at->dest_port,
203 atomic_read(&s->sk_wmem_alloc),
204 atomic_read(&s->sk_rmem_alloc),
205 s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
210 struct seq_operations atalk_seq_interface_ops = {
211 .start = atalk_seq_interface_start,
212 .next = atalk_seq_interface_next,
213 .stop = atalk_seq_interface_stop,
214 .show = atalk_seq_interface_show,
217 struct seq_operations atalk_seq_route_ops = {
218 .start = atalk_seq_route_start,
219 .next = atalk_seq_route_next,
220 .stop = atalk_seq_route_stop,
221 .show = atalk_seq_route_show,
224 struct seq_operations atalk_seq_socket_ops = {
225 .start = atalk_seq_socket_start,
226 .next = atalk_seq_socket_next,
227 .stop = atalk_seq_socket_stop,
228 .show = atalk_seq_socket_show,
231 static int atalk_seq_interface_open(struct inode *inode, struct file *file)
233 return seq_open(file, &atalk_seq_interface_ops);
236 static int atalk_seq_route_open(struct inode *inode, struct file *file)
238 return seq_open(file, &atalk_seq_route_ops);
241 static int atalk_seq_socket_open(struct inode *inode, struct file *file)
243 return seq_open(file, &atalk_seq_socket_ops);
246 static struct file_operations atalk_seq_interface_fops = {
247 .owner = THIS_MODULE,
248 .open = atalk_seq_interface_open,
251 .release = seq_release,
254 static struct file_operations atalk_seq_route_fops = {
255 .owner = THIS_MODULE,
256 .open = atalk_seq_route_open,
259 .release = seq_release,
262 static struct file_operations atalk_seq_socket_fops = {
263 .owner = THIS_MODULE,
264 .open = atalk_seq_socket_open,
267 .release = seq_release,
270 static struct proc_dir_entry *atalk_proc_dir;
272 int __init atalk_proc_init(void)
274 struct proc_dir_entry *p;
277 atalk_proc_dir = proc_mkdir("atalk", proc_net);
280 atalk_proc_dir->owner = THIS_MODULE;
282 p = create_proc_entry("interface", S_IRUGO, atalk_proc_dir);
285 p->proc_fops = &atalk_seq_interface_fops;
287 p = create_proc_entry("route", S_IRUGO, atalk_proc_dir);
290 p->proc_fops = &atalk_seq_route_fops;
292 p = create_proc_entry("socket", S_IRUGO, atalk_proc_dir);
295 p->proc_fops = &atalk_seq_socket_fops;
297 p = create_proc_entry("arp", S_IRUGO, atalk_proc_dir);
300 p->proc_fops = &atalk_seq_arp_fops;
306 remove_proc_entry("socket", atalk_proc_dir);
308 remove_proc_entry("route", atalk_proc_dir);
310 remove_proc_entry("interface", atalk_proc_dir);
312 remove_proc_entry("atalk", proc_net);
316 void __exit atalk_proc_exit(void)
318 remove_proc_entry("interface", atalk_proc_dir);
319 remove_proc_entry("route", atalk_proc_dir);
320 remove_proc_entry("socket", atalk_proc_dir);
321 remove_proc_entry("arp", atalk_proc_dir);
322 remove_proc_entry("atalk", proc_net);
325 #else /* CONFIG_PROC_FS */
326 int __init atalk_proc_init(void)
331 void __exit atalk_proc_exit(void)
334 #endif /* CONFIG_PROC_FS */