URL https://opencores.org/ocsvn/test_project/test_project/trunk

Subversion Repositories test_project

[/] [test_project/] [trunk/] [linux_sd_driver/] [net/] [appletalk/] [atalk_proc.c] - Blame information for rev 62

Details | Compare with Previous | View Log


/*
 *      atalk_proc.c - proc support for Appletalk
 *
 *      Copyright(c) Arnaldo Carvalho de Melo <acme@conectiva.com.br>
 *
 *      This program is free software; you can redistribute it and/or modify it
 *      under the terms of the GNU General Public License as published by the
 *      Free Software Foundation, version 2.
 */
 
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <linux/atalk.h>
 
 
static __inline__ struct atalk_iface *atalk_get_interface_idx(loff_t pos)
{
        struct atalk_iface *i;
 
        for (i = atalk_interfaces; pos && i; i = i->next)
                --pos;
 
        return i;
}
 
static void *atalk_seq_interface_start(struct seq_file *seq, loff_t *pos)
{
        loff_t l = *pos;
 
        read_lock_bh(&atalk_interfaces_lock);
        return l ? atalk_get_interface_idx(--l) : SEQ_START_TOKEN;
}
 
static void *atalk_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
{
        struct atalk_iface *i;
 
        ++*pos;
        if (v == SEQ_START_TOKEN) {
                i = NULL;
                if (atalk_interfaces)
                        i = atalk_interfaces;
                goto out;
        }
        i = v;
        i = i->next;
out:
        return i;
}
 
static void atalk_seq_interface_stop(struct seq_file *seq, void *v)
{
        read_unlock_bh(&atalk_interfaces_lock);
}
 
static int atalk_seq_interface_show(struct seq_file *seq, void *v)
{
        struct atalk_iface *iface;
 
        if (v == SEQ_START_TOKEN) {
                seq_puts(seq, "Interface        Address   Networks  "
                              "Status\n");
                goto out;
        }
 
        iface = v;
        seq_printf(seq, "%-16s %04X:%02X  %04X-%04X  %d\n",
                   iface->dev->name, ntohs(iface->address.s_net),
                   iface->address.s_node, ntohs(iface->nets.nr_firstnet),
                   ntohs(iface->nets.nr_lastnet), iface->status);
out:
        return 0;
}
 
static __inline__ struct atalk_route *atalk_get_route_idx(loff_t pos)
{
        struct atalk_route *r;
 
        for (r = atalk_routes; pos && r; r = r->next)
                --pos;
 
        return r;
}
 
static void *atalk_seq_route_start(struct seq_file *seq, loff_t *pos)
{
        loff_t l = *pos;
 
        read_lock_bh(&atalk_routes_lock);
        return l ? atalk_get_route_idx(--l) : SEQ_START_TOKEN;
}
 
static void *atalk_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
{
        struct atalk_route *r;
 
        ++*pos;
        if (v == SEQ_START_TOKEN) {
                r = NULL;
                if (atalk_routes)
                        r = atalk_routes;
                goto out;
        }
        r = v;
        r = r->next;
out:
        return r;
}
 
static void atalk_seq_route_stop(struct seq_file *seq, void *v)
{
        read_unlock_bh(&atalk_routes_lock);
}
 
static int atalk_seq_route_show(struct seq_file *seq, void *v)
{
        struct atalk_route *rt;
 
        if (v == SEQ_START_TOKEN) {
                seq_puts(seq, "Target        Router  Flags Dev\n");
                goto out;
        }
 
        if (atrtr_default.dev) {
                rt = &atrtr_default;
                seq_printf(seq, "Default     %04X:%02X  %-4d  %s\n",
                               ntohs(rt->gateway.s_net), rt->gateway.s_node,
                               rt->flags, rt->dev->name);
        }
 
        rt = v;
        seq_printf(seq, "%04X:%02X     %04X:%02X  %-4d  %s\n",
                   ntohs(rt->target.s_net), rt->target.s_node,
                   ntohs(rt->gateway.s_net), rt->gateway.s_node,
                   rt->flags, rt->dev->name);
out:
        return 0;
}
 
static __inline__ struct sock *atalk_get_socket_idx(loff_t pos)
{
        struct sock *s;
        struct hlist_node *node;
 
        sk_for_each(s, node, &atalk_sockets)
                if (!pos--)
                        goto found;
        s = NULL;
found:
        return s;
}
 
static void *atalk_seq_socket_start(struct seq_file *seq, loff_t *pos)
{
        loff_t l = *pos;
 
        read_lock_bh(&atalk_sockets_lock);
        return l ? atalk_get_socket_idx(--l) : SEQ_START_TOKEN;
}
 
static void *atalk_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
{
        struct sock *i;
 
        ++*pos;
        if (v == SEQ_START_TOKEN) {
                i = sk_head(&atalk_sockets);
                goto out;
        }
        i = sk_next(v);
out:
        return i;
}
 
static void atalk_seq_socket_stop(struct seq_file *seq, void *v)
{
        read_unlock_bh(&atalk_sockets_lock);
}
 
static int atalk_seq_socket_show(struct seq_file *seq, void *v)
{
        struct sock *s;
        struct atalk_sock *at;
 
        if (v == SEQ_START_TOKEN) {
                seq_printf(seq, "Type Local_addr  Remote_addr Tx_queue "
                                "Rx_queue St UID\n");
                goto out;
        }
 
        s = v;
        at = at_sk(s);
 
        seq_printf(seq, "%02X   %04X:%02X:%02X  %04X:%02X:%02X  %08X:%08X "
                        "%02X %d\n",
                   s->sk_type, ntohs(at->src_net), at->src_node, at->src_port,
                   ntohs(at->dest_net), at->dest_node, at->dest_port,
                   atomic_read(&s->sk_wmem_alloc),
                   atomic_read(&s->sk_rmem_alloc),
                   s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
out:
        return 0;
}
 
static const struct seq_operations atalk_seq_interface_ops = {
        .start  = atalk_seq_interface_start,
        .next   = atalk_seq_interface_next,
        .stop   = atalk_seq_interface_stop,
        .show   = atalk_seq_interface_show,
};
 
static const struct seq_operations atalk_seq_route_ops = {
        .start  = atalk_seq_route_start,
        .next   = atalk_seq_route_next,
        .stop   = atalk_seq_route_stop,
        .show   = atalk_seq_route_show,
};
 
static const struct seq_operations atalk_seq_socket_ops = {
        .start  = atalk_seq_socket_start,
        .next   = atalk_seq_socket_next,
        .stop   = atalk_seq_socket_stop,
        .show   = atalk_seq_socket_show,
};
 
static int atalk_seq_interface_open(struct inode *inode, struct file *file)
{
        return seq_open(file, &atalk_seq_interface_ops);
}
 
static int atalk_seq_route_open(struct inode *inode, struct file *file)
{
        return seq_open(file, &atalk_seq_route_ops);
}
 
static int atalk_seq_socket_open(struct inode *inode, struct file *file)
{
        return seq_open(file, &atalk_seq_socket_ops);
}
 
static const struct file_operations atalk_seq_interface_fops = {
        .owner          = THIS_MODULE,
        .open           = atalk_seq_interface_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = seq_release,
};
 
static const struct file_operations atalk_seq_route_fops = {
        .owner          = THIS_MODULE,
        .open           = atalk_seq_route_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = seq_release,
};
 
static const struct file_operations atalk_seq_socket_fops = {
        .owner          = THIS_MODULE,
        .open           = atalk_seq_socket_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = seq_release,
};
 
static struct proc_dir_entry *atalk_proc_dir;
 
int __init atalk_proc_init(void)
{
        struct proc_dir_entry *p;
        int rc = -ENOMEM;
 
        atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net);
        if (!atalk_proc_dir)
                goto out;
        atalk_proc_dir->owner = THIS_MODULE;
 
        p = create_proc_entry("interface", S_IRUGO, atalk_proc_dir);
        if (!p)
                goto out_interface;
        p->proc_fops = &atalk_seq_interface_fops;
 
        p = create_proc_entry("route", S_IRUGO, atalk_proc_dir);
        if (!p)
                goto out_route;
        p->proc_fops = &atalk_seq_route_fops;
 
        p = create_proc_entry("socket", S_IRUGO, atalk_proc_dir);
        if (!p)
                goto out_socket;
        p->proc_fops = &atalk_seq_socket_fops;
 
        p = create_proc_entry("arp", S_IRUGO, atalk_proc_dir);
        if (!p)
                goto out_arp;
        p->proc_fops = &atalk_seq_arp_fops;
 
        rc = 0;
out:
        return rc;
out_arp:
        remove_proc_entry("socket", atalk_proc_dir);
out_socket:
        remove_proc_entry("route", atalk_proc_dir);
out_route:
        remove_proc_entry("interface", atalk_proc_dir);
out_interface:
        remove_proc_entry("atalk", init_net.proc_net);
        goto out;
}
 
void __exit atalk_proc_exit(void)
{
        remove_proc_entry("interface", atalk_proc_dir);
        remove_proc_entry("route", atalk_proc_dir);
        remove_proc_entry("socket", atalk_proc_dir);
        remove_proc_entry("arp", atalk_proc_dir);
        remove_proc_entry("atalk", init_net.proc_net);
}

Browse

Tools

Subversion Repositories test_project

[/] [test_project/] [trunk/] [linux_sd_driver/] [net/] [appletalk/] [atalk_proc.c] - Blame information for rev 62

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
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			`*/`
10
11			`#include <linux/init.h>`
12			`#include <linux/proc_fs.h>`
13			`#include <linux/seq_file.h>`
14			`#include <net/net_namespace.h>`
15			`#include <net/sock.h>`
16			`#include <linux/atalk.h>`
17
18
19			`static __inline__ struct atalk_iface *atalk_get_interface_idx(loff_t pos)`
20			`{`
21			`struct atalk_iface *i;`
22
23			`for (i = atalk_interfaces; pos && i; i = i->next)`
24			`--pos;`
25
26			`return i;`
27			`}`
28
29			`static void atalk_seq_interface_start(struct seq_file seq, loff_t *pos)`
30			`{`
31			`loff_t l = *pos;`
32
33			`read_lock_bh(&atalk_interfaces_lock);`
34			`return l ? atalk_get_interface_idx(--l) : SEQ_START_TOKEN;`
35			`}`
36
37			`static void atalk_seq_interface_next(struct seq_file seq, void v, loff_t pos)`
38			`{`
39			`struct atalk_iface *i;`
40
41			`++*pos;`
42			`if (v == SEQ_START_TOKEN) {`
43			`i = NULL;`
44			`if (atalk_interfaces)`
45			`i = atalk_interfaces;`
46			`goto out;`
47			`}`
48			`i = v;`
49			`i = i->next;`
50			`out:`
51			`return i;`
52			`}`
53
54			`static void atalk_seq_interface_stop(struct seq_file seq, void v)`
55			`{`
56			`read_unlock_bh(&atalk_interfaces_lock);`
57			`}`
58
59			`static int atalk_seq_interface_show(struct seq_file seq, void v)`
60			`{`
61			`struct atalk_iface *iface;`
62
63			`if (v == SEQ_START_TOKEN) {`
64			`seq_puts(seq, "Interface Address Networks "`
65			`"Status\n");`
66			`goto out;`
67			`}`
68
69			`iface = v;`
70			`seq_printf(seq, "%-16s %04X:%02X %04X-%04X %d\n",`
71			`iface->dev->name, ntohs(iface->address.s_net),`
72			`iface->address.s_node, ntohs(iface->nets.nr_firstnet),`
73			`ntohs(iface->nets.nr_lastnet), iface->status);`
74			`out:`
75			`return 0;`
76			`}`
77
78			`static __inline__ struct atalk_route *atalk_get_route_idx(loff_t pos)`
79			`{`
80			`struct atalk_route *r;`
81
82			`for (r = atalk_routes; pos && r; r = r->next)`
83			`--pos;`
84
85			`return r;`
86			`}`
87
88			`static void atalk_seq_route_start(struct seq_file seq, loff_t *pos)`
89			`{`
90			`loff_t l = *pos;`
91
92			`read_lock_bh(&atalk_routes_lock);`
93			`return l ? atalk_get_route_idx(--l) : SEQ_START_TOKEN;`
94			`}`
95
96			`static void atalk_seq_route_next(struct seq_file seq, void v, loff_t pos)`
97			`{`
98			`struct atalk_route *r;`
99
100			`++*pos;`
101			`if (v == SEQ_START_TOKEN) {`
102			`r = NULL;`
103			`if (atalk_routes)`
104			`r = atalk_routes;`
105			`goto out;`
106			`}`
107			`r = v;`
108			`r = r->next;`
109			`out:`
110			`return r;`
111			`}`
112
113			`static void atalk_seq_route_stop(struct seq_file seq, void v)`
114			`{`
115			`read_unlock_bh(&atalk_routes_lock);`
116			`}`
117
118			`static int atalk_seq_route_show(struct seq_file seq, void v)`
119			`{`
120			`struct atalk_route *rt;`
121
122			`if (v == SEQ_START_TOKEN) {`
123			`seq_puts(seq, "Target Router Flags Dev\n");`
124			`goto out;`
125			`}`
126
127			`if (atrtr_default.dev) {`
128			`rt = &atrtr_default;`
129			`seq_printf(seq, "Default %04X:%02X %-4d %s\n",`
130			`ntohs(rt->gateway.s_net), rt->gateway.s_node,`
131			`rt->flags, rt->dev->name);`
132			`}`
133
134			`rt = v;`
135			`seq_printf(seq, "%04X:%02X %04X:%02X %-4d %s\n",`
136			`ntohs(rt->target.s_net), rt->target.s_node,`
137			`ntohs(rt->gateway.s_net), rt->gateway.s_node,`
138			`rt->flags, rt->dev->name);`
139			`out:`
140			`return 0;`
141			`}`
142
143			`static __inline__ struct sock *atalk_get_socket_idx(loff_t pos)`
144			`{`
145			`struct sock *s;`
146			`struct hlist_node *node;`
147
148			`sk_for_each(s, node, &atalk_sockets)`
149			`if (!pos--)`
150			`goto found;`
151			`s = NULL;`
152			`found:`
153			`return s;`
154			`}`
155
156			`static void atalk_seq_socket_start(struct seq_file seq, loff_t *pos)`
157			`{`
158			`loff_t l = *pos;`
159
160			`read_lock_bh(&atalk_sockets_lock);`
161			`return l ? atalk_get_socket_idx(--l) : SEQ_START_TOKEN;`
162			`}`
163
164			`static void atalk_seq_socket_next(struct seq_file seq, void v, loff_t pos)`
165			`{`
166			`struct sock *i;`
167
168			`++*pos;`
169			`if (v == SEQ_START_TOKEN) {`
170			`i = sk_head(&atalk_sockets);`
171			`goto out;`
172			`}`
173			`i = sk_next(v);`
174			`out:`
175			`return i;`
176			`}`
177
178			`static void atalk_seq_socket_stop(struct seq_file seq, void v)`
179			`{`
180			`read_unlock_bh(&atalk_sockets_lock);`
181			`}`
182
183			`static int atalk_seq_socket_show(struct seq_file seq, void v)`
184			`{`
185			`struct sock *s;`
186			`struct atalk_sock *at;`
187
188			`if (v == SEQ_START_TOKEN) {`
189			`seq_printf(seq, "Type Local_addr Remote_addr Tx_queue "`
190			`"Rx_queue St UID\n");`
191			`goto out;`
192			`}`
193
194			`s = v;`
195			`at = at_sk(s);`
196
197			`seq_printf(seq, "%02X %04X:%02X:%02X %04X:%02X:%02X %08X:%08X "`
198			`"%02X %d\n",`
199			`s->sk_type, ntohs(at->src_net), at->src_node, at->src_port,`
200			`ntohs(at->dest_net), at->dest_node, at->dest_port,`
201			`atomic_read(&s->sk_wmem_alloc),`
202			`atomic_read(&s->sk_rmem_alloc),`
203			`s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);`
204			`out:`
205			`return 0;`
206			`}`
207
208			`static const struct seq_operations atalk_seq_interface_ops = {`
209			`.start = atalk_seq_interface_start,`
210			`.next = atalk_seq_interface_next,`
211			`.stop = atalk_seq_interface_stop,`
212			`.show = atalk_seq_interface_show,`
213			`};`
214
215			`static const struct seq_operations atalk_seq_route_ops = {`
216			`.start = atalk_seq_route_start,`
217			`.next = atalk_seq_route_next,`
218			`.stop = atalk_seq_route_stop,`
219			`.show = atalk_seq_route_show,`
220			`};`
221
222			`static const struct seq_operations atalk_seq_socket_ops = {`
223			`.start = atalk_seq_socket_start,`
224			`.next = atalk_seq_socket_next,`
225			`.stop = atalk_seq_socket_stop,`
226			`.show = atalk_seq_socket_show,`
227			`};`
228
229			`static int atalk_seq_interface_open(struct inode inode, struct file file)`
230			`{`
231			`return seq_open(file, &atalk_seq_interface_ops);`
232			`}`
233
234			`static int atalk_seq_route_open(struct inode inode, struct file file)`
235			`{`
236			`return seq_open(file, &atalk_seq_route_ops);`
237			`}`
238
239			`static int atalk_seq_socket_open(struct inode inode, struct file file)`
240			`{`
241			`return seq_open(file, &atalk_seq_socket_ops);`
242			`}`
243
244			`static const struct file_operations atalk_seq_interface_fops = {`
245			`.owner = THIS_MODULE,`
246			`.open = atalk_seq_interface_open,`
247			`.read = seq_read,`
248			`.llseek = seq_lseek,`
249			`.release = seq_release,`
250			`};`
251
252			`static const struct file_operations atalk_seq_route_fops = {`
253			`.owner = THIS_MODULE,`
254			`.open = atalk_seq_route_open,`
255			`.read = seq_read,`
256			`.llseek = seq_lseek,`
257			`.release = seq_release,`
258			`};`
259
260			`static const struct file_operations atalk_seq_socket_fops = {`
261			`.owner = THIS_MODULE,`
262			`.open = atalk_seq_socket_open,`
263			`.read = seq_read,`
264			`.llseek = seq_lseek,`
265			`.release = seq_release,`
266			`};`
267
268			`static struct proc_dir_entry *atalk_proc_dir;`
269
270			`int __init atalk_proc_init(void)`
271			`{`
272			`struct proc_dir_entry *p;`
273			`int rc = -ENOMEM;`
274
275			`atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net);`
276			`if (!atalk_proc_dir)`
277			`goto out;`
278			`atalk_proc_dir->owner = THIS_MODULE;`
279
280			`p = create_proc_entry("interface", S_IRUGO, atalk_proc_dir);`
281			`if (!p)`
282			`goto out_interface;`
283			`p->proc_fops = &atalk_seq_interface_fops;`
284
285			`p = create_proc_entry("route", S_IRUGO, atalk_proc_dir);`
286			`if (!p)`
287			`goto out_route;`
288			`p->proc_fops = &atalk_seq_route_fops;`
289
290			`p = create_proc_entry("socket", S_IRUGO, atalk_proc_dir);`
291			`if (!p)`
292			`goto out_socket;`
293			`p->proc_fops = &atalk_seq_socket_fops;`
294
295			`p = create_proc_entry("arp", S_IRUGO, atalk_proc_dir);`
296			`if (!p)`
297			`goto out_arp;`
298			`p->proc_fops = &atalk_seq_arp_fops;`
299
300			`rc = 0;`
301			`out:`
302			`return rc;`
303			`out_arp:`
304			`remove_proc_entry("socket", atalk_proc_dir);`
305			`out_socket:`
306			`remove_proc_entry("route", atalk_proc_dir);`
307			`out_route:`
308			`remove_proc_entry("interface", atalk_proc_dir);`
309			`out_interface:`
310			`remove_proc_entry("atalk", init_net.proc_net);`
311			`goto out;`
312			`}`
313
314			`void __exit atalk_proc_exit(void)`
315			`{`
316			`remove_proc_entry("interface", atalk_proc_dir);`
317			`remove_proc_entry("route", atalk_proc_dir);`
318			`remove_proc_entry("socket", atalk_proc_dir);`
319			`remove_proc_entry("arp", atalk_proc_dir);`
320			`remove_proc_entry("atalk", init_net.proc_net);`
321			`}`