aboutsummaryrefslogtreecommitdiff
path: root/net/ipv4/raw.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/raw.c')
-rw-r--r--net/ipv4/raw.c52
1 files changed, 34 insertions, 18 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index d24501a342a..2ff8214a530 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -845,12 +845,6 @@ struct proto raw_prot = {
};
#ifdef CONFIG_PROC_FS
-struct raw_iter_state {
- int bucket;
-};
-
-#define raw_seq_private(seq) ((struct raw_iter_state *)(seq)->private)
-
static struct sock *raw_get_first(struct seq_file *seq)
{
struct sock *sk;
@@ -860,8 +854,8 @@ static struct sock *raw_get_first(struct seq_file *seq)
++state->bucket) {
struct hlist_node *node;
- sk_for_each(sk, node, &raw_v4_hashinfo.ht[state->bucket])
- if (sk->sk_family == PF_INET)
+ sk_for_each(sk, node, &state->h->ht[state->bucket])
+ if (sk->sk_family == state->family)
goto found;
}
sk = NULL;
@@ -877,10 +871,10 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
sk = sk_next(sk);
try_again:
;
- } while (sk && sk->sk_family != PF_INET);
+ } while (sk && sk->sk_family != state->family);
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
- sk = sk_head(&raw_v4_hashinfo.ht[state->bucket]);
+ sk = sk_head(&state->h->ht[state->bucket]);
goto try_again;
}
return sk;
@@ -896,13 +890,16 @@ static struct sock *raw_get_idx(struct seq_file *seq, loff_t pos)
return pos ? NULL : sk;
}
-static void *raw_seq_start(struct seq_file *seq, loff_t *pos)
+void *raw_seq_start(struct seq_file *seq, loff_t *pos)
{
- read_lock(&raw_v4_hashinfo.lock);
+ struct raw_iter_state *state = raw_seq_private(seq);
+
+ read_lock(&state->h->lock);
return *pos ? raw_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
}
+EXPORT_SYMBOL_GPL(raw_seq_start);
-static void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct sock *sk;
@@ -913,11 +910,15 @@ static void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos)
++*pos;
return sk;
}
+EXPORT_SYMBOL_GPL(raw_seq_next);
-static void raw_seq_stop(struct seq_file *seq, void *v)
+void raw_seq_stop(struct seq_file *seq, void *v)
{
- read_unlock(&raw_v4_hashinfo.lock);
+ struct raw_iter_state *state = raw_seq_private(seq);
+
+ read_unlock(&state->h->lock);
}
+EXPORT_SYMBOL_GPL(raw_seq_stop);
static __inline__ char *get_raw_sock(struct sock *sp, char *tmpbuf, int i)
{
@@ -964,15 +965,30 @@ static const struct seq_operations raw_seq_ops = {
.show = raw_seq_show,
};
-static int raw_seq_open(struct inode *inode, struct file *file)
+int raw_seq_open(struct file *file, struct raw_hashinfo *h,
+ unsigned short family)
{
- return seq_open_private(file, &raw_seq_ops,
+ struct raw_iter_state *i;
+
+ i = __seq_open_private(file, &raw_seq_ops,
sizeof(struct raw_iter_state));
+ if (i == NULL)
+ return -ENOMEM;
+
+ i->h = h;
+ i->family = family;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(raw_seq_open);
+
+static int raw_v4_seq_open(struct inode *inode, struct file *file)
+{
+ return raw_seq_open(file, &raw_v4_hashinfo, PF_INET);
}
static const struct file_operations raw_seq_fops = {
.owner = THIS_MODULE,
- .open = raw_seq_open,
+ .open = raw_v4_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,