[RAW]: Consolidate proto->hash callback
Pavel Emelyanov [Tue, 20 Nov 2007 06:37:24 +0000 (22:37 -0800)]
Having the raw_hashinfo it's easy to consolidate the
raw[46]_hash functions.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/raw.h
net/ipv4/raw.c
net/ipv6/raw.c

index 70b27c7..43f1e3c 100644 (file)
@@ -39,4 +39,6 @@ extern int  raw_proc_init(void);
 extern void raw_proc_exit(void);
 #endif
 
+void raw_hash_sk(struct sock *sk, struct raw_hashinfo *h);
+
 #endif /* _RAW_H */
index dd9f00b..28b95ae 100644 (file)
@@ -84,15 +84,22 @@ static struct raw_hashinfo raw_v4_hashinfo = {
        .lock = __RW_LOCK_UNLOCKED(),
 };
 
-static void raw_v4_hash(struct sock *sk)
+void raw_hash_sk(struct sock *sk, struct raw_hashinfo *h)
 {
-       struct hlist_head *head = &raw_v4_hashinfo.ht[inet_sk(sk)->num &
-                                                (RAW_HTABLE_SIZE - 1)];
+       struct hlist_head *head;
 
-       write_lock_bh(&raw_v4_hashinfo.lock);
+       head = &h->ht[inet_sk(sk)->num & (RAW_HTABLE_SIZE - 1)];
+
+       write_lock_bh(&h->lock);
        sk_add_node(sk, head);
        sock_prot_inc_use(sk->sk_prot);
-       write_unlock_bh(&raw_v4_hashinfo.lock);
+       write_unlock_bh(&h->lock);
+}
+EXPORT_SYMBOL_GPL(raw_hash_sk);
+
+static void raw_v4_hash(struct sock *sk)
+{
+       raw_hash_sk(sk, &raw_v4_hashinfo);
 }
 
 static void raw_v4_unhash(struct sock *sk)
index 15c72a6..70db6f4 100644 (file)
@@ -67,13 +67,7 @@ static struct raw_hashinfo raw_v6_hashinfo = {
 
 static void raw_v6_hash(struct sock *sk)
 {
-       struct hlist_head *list = &raw_v6_hashinfo.ht[inet_sk(sk)->num &
-                                                (RAW_HTABLE_SIZE - 1)];
-
-       write_lock_bh(&raw_v6_hashinfo.lock);
-       sk_add_node(sk, list);
-       sock_prot_inc_use(sk->sk_prot);
-       write_unlock_bh(&raw_v6_hashinfo.lock);
+       raw_hash_sk(sk, &raw_v6_hashinfo);
 }
 
 static void raw_v6_unhash(struct sock *sk)