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-rw-r--r--include/net/raw.h14
-rw-r--r--net/ipv4/raw.c52
-rw-r--r--net/ipv6/raw.c82
3 files changed, 53 insertions, 95 deletions
diff --git a/include/net/raw.h b/include/net/raw.h
index 81a1773..4d1aba0 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -37,6 +37,20 @@ struct raw_hashinfo {
#ifdef CONFIG_PROC_FS
extern int raw_proc_init(void);
extern void raw_proc_exit(void);
+
+struct raw_iter_state {
+ int bucket;
+ unsigned short family;
+ struct raw_hashinfo *h;
+};
+
+#define raw_seq_private(seq) ((struct raw_iter_state *)(seq)->private)
+void *raw_seq_start(struct seq_file *seq, loff_t *pos);
+void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
+void raw_seq_stop(struct seq_file *seq, void *v);
+int raw_seq_open(struct file *file, struct raw_hashinfo *h,
+ unsigned short family);
+
#endif
void raw_hash_sk(struct sock *sk, struct raw_hashinfo *h);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index d24501a..2ff8214 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,
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 422d27c..b34631e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1200,77 +1200,6 @@ struct proto rawv6_prot = {
};
#ifdef CONFIG_PROC_FS
-struct raw6_iter_state {
- int bucket;
-};
-
-#define raw6_seq_private(seq) ((struct raw6_iter_state *)(seq)->private)
-
-static struct sock *raw6_get_first(struct seq_file *seq)
-{
- struct sock *sk;
- struct hlist_node *node;
- struct raw6_iter_state* state = raw6_seq_private(seq);
-
- for (state->bucket = 0; state->bucket < RAW_HTABLE_SIZE;
- ++state->bucket)
- sk_for_each(sk, node, &raw_v6_hashinfo.ht[state->bucket])
- if (sk->sk_family == PF_INET6)
- goto out;
- sk = NULL;
-out:
- return sk;
-}
-
-static struct sock *raw6_get_next(struct seq_file *seq, struct sock *sk)
-{
- struct raw6_iter_state* state = raw6_seq_private(seq);
-
- do {
- sk = sk_next(sk);
-try_again:
- ;
- } while (sk && sk->sk_family != PF_INET6);
-
- if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
- sk = sk_head(&raw_v6_hashinfo.ht[state->bucket]);
- goto try_again;
- }
- return sk;
-}
-
-static struct sock *raw6_get_idx(struct seq_file *seq, loff_t pos)
-{
- struct sock *sk = raw6_get_first(seq);
- if (sk)
- while (pos && (sk = raw6_get_next(seq, sk)) != NULL)
- --pos;
- return pos ? NULL : sk;
-}
-
-static void *raw6_seq_start(struct seq_file *seq, loff_t *pos)
-{
- read_lock(&raw_v6_hashinfo.lock);
- return *pos ? raw6_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
-}
-
-static void *raw6_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- struct sock *sk;
-
- if (v == SEQ_START_TOKEN)
- sk = raw6_get_first(seq);
- else
- sk = raw6_get_next(seq, v);
- ++*pos;
- return sk;
-}
-
-static void raw6_seq_stop(struct seq_file *seq, void *v)
-{
- read_unlock(&raw_v6_hashinfo.lock);
-}
-
static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
{
struct ipv6_pinfo *np = inet6_sk(sp);
@@ -1308,21 +1237,20 @@ static int raw6_seq_show(struct seq_file *seq, void *v)
"st tx_queue rx_queue tr tm->when retrnsmt"
" uid timeout inode drops\n");
else
- raw6_sock_seq_show(seq, v, raw6_seq_private(seq)->bucket);
+ raw6_sock_seq_show(seq, v, raw_seq_private(seq)->bucket);
return 0;
}
static const struct seq_operations raw6_seq_ops = {
- .start = raw6_seq_start,
- .next = raw6_seq_next,
- .stop = raw6_seq_stop,
+ .start = raw_seq_start,
+ .next = raw_seq_next,
+ .stop = raw_seq_stop,
.show = raw6_seq_show,
};
static int raw6_seq_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &raw6_seq_ops,
- sizeof(struct raw6_iter_state));
+ return raw_seq_open(file, &raw_v6_hashinfo, PF_INET6);
}
static const struct file_operations raw6_seq_fops = {
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