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Diffstat (limited to 'net/x25/x25_proc.c')
-rw-r--r--net/x25/x25_proc.c110
1 files changed, 104 insertions, 6 deletions
diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c
index a11837d361d2..96001f0c64fc 100644
--- a/net/x25/x25_proc.c
+++ b/net/x25/x25_proc.c
@@ -3,7 +3,7 @@
*
* This is ALPHA test software. This code may break your machine,
* randomly fail to work with new releases, misbehave and/or generally
- * screw up. It might even work.
+ * screw up. It might even work.
*
* This code REQUIRES 2.4 with seq_file support
*
@@ -62,7 +62,7 @@ static void *x25_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
rt = v;
if (rt->node.next != &x25_route_list)
rt = list_entry(rt->node.next, struct x25_route, node);
- else
+ else
rt = NULL;
out:
return rt;
@@ -88,7 +88,7 @@ static int x25_seq_route_show(struct seq_file *seq, void *v)
rt->dev ? rt->dev->name : "???");
out:
return 0;
-}
+}
static __inline__ struct sock *x25_get_socket_idx(loff_t pos)
{
@@ -163,7 +163,76 @@ static int x25_seq_socket_show(struct seq_file *seq, void *v)
s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
out:
return 0;
-}
+}
+
+static __inline__ struct x25_forward *x25_get_forward_idx(loff_t pos)
+{
+ struct x25_forward *f;
+ struct list_head *entry;
+
+ list_for_each(entry, &x25_forward_list) {
+ f = list_entry(entry, struct x25_forward, node);
+ if (!pos--)
+ goto found;
+ }
+
+ f = NULL;
+found:
+ return f;
+}
+
+static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos)
+{
+ loff_t l = *pos;
+
+ read_lock_bh(&x25_forward_list_lock);
+ return l ? x25_get_forward_idx(--l) : SEQ_START_TOKEN;
+}
+
+static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct x25_forward *f;
+
+ ++*pos;
+ if (v == SEQ_START_TOKEN) {
+ f = NULL;
+ if (!list_empty(&x25_forward_list))
+ f = list_entry(x25_forward_list.next,
+ struct x25_forward, node);
+ goto out;
+ }
+ f = v;
+ if (f->node.next != &x25_forward_list)
+ f = list_entry(f->node.next, struct x25_forward, node);
+ else
+ f = NULL;
+out:
+ return f;
+
+}
+
+static void x25_seq_forward_stop(struct seq_file *seq, void *v)
+{
+ read_unlock_bh(&x25_forward_list_lock);
+}
+
+static int x25_seq_forward_show(struct seq_file *seq, void *v)
+{
+ struct x25_forward *f;
+
+ if (v == SEQ_START_TOKEN) {
+ seq_printf(seq, "lci dev1 dev2\n");
+ goto out;
+ }
+
+ f = v;
+
+ seq_printf(seq, "%d %-10s %-10s\n",
+ f->lci, f->dev1->name, f->dev2->name);
+
+out:
+ return 0;
+}
static struct seq_operations x25_seq_route_ops = {
.start = x25_seq_route_start,
@@ -179,6 +248,13 @@ static struct seq_operations x25_seq_socket_ops = {
.show = x25_seq_socket_show,
};
+static struct seq_operations x25_seq_forward_ops = {
+ .start = x25_seq_forward_start,
+ .next = x25_seq_forward_next,
+ .stop = x25_seq_forward_stop,
+ .show = x25_seq_forward_show,
+};
+
static int x25_seq_socket_open(struct inode *inode, struct file *file)
{
return seq_open(file, &x25_seq_socket_ops);
@@ -189,7 +265,12 @@ static int x25_seq_route_open(struct inode *inode, struct file *file)
return seq_open(file, &x25_seq_route_ops);
}
-static struct file_operations x25_seq_socket_fops = {
+static int x25_seq_forward_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &x25_seq_forward_ops);
+}
+
+static const struct file_operations x25_seq_socket_fops = {
.owner = THIS_MODULE,
.open = x25_seq_socket_open,
.read = seq_read,
@@ -197,7 +278,7 @@ static struct file_operations x25_seq_socket_fops = {
.release = seq_release,
};
-static struct file_operations x25_seq_route_fops = {
+static const struct file_operations x25_seq_route_fops = {
.owner = THIS_MODULE,
.open = x25_seq_route_open,
.read = seq_read,
@@ -205,6 +286,14 @@ static struct file_operations x25_seq_route_fops = {
.release = seq_release,
};
+static struct file_operations x25_seq_forward_fops = {
+ .owner = THIS_MODULE,
+ .open = x25_seq_forward_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
static struct proc_dir_entry *x25_proc_dir;
int __init x25_proc_init(void)
@@ -225,9 +314,17 @@ int __init x25_proc_init(void)
if (!p)
goto out_socket;
p->proc_fops = &x25_seq_socket_fops;
+
+ p = create_proc_entry("forward", S_IRUGO, x25_proc_dir);
+ if (!p)
+ goto out_forward;
+ p->proc_fops = &x25_seq_forward_fops;
rc = 0;
+
out:
return rc;
+out_forward:
+ remove_proc_entry("socket", x25_proc_dir);
out_socket:
remove_proc_entry("route", x25_proc_dir);
out_route:
@@ -237,6 +334,7 @@ out_route:
void __exit x25_proc_exit(void)
{
+ remove_proc_entry("forward", x25_proc_dir);
remove_proc_entry("route", x25_proc_dir);
remove_proc_entry("socket", x25_proc_dir);
remove_proc_entry("x25", proc_net);