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-rw-r--r--include/net/inet_hashtables.h40
-rw-r--r--net/ipv4/inet_hashtables.c38
2 files changed, 41 insertions, 37 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 982d487751f..65ddb25d62e 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -374,43 +374,9 @@ typedef __u64 __bitwise __addrpair;
*
* Local BH must be disabled here.
*/
-static inline struct sock *
- __inet_lookup_established(struct inet_hashinfo *hashinfo,
- const __be32 saddr, const __be16 sport,
- const __be32 daddr, const u16 hnum,
- const int dif)
-{
- INET_ADDR_COOKIE(acookie, saddr, daddr)
- const __portpair ports = INET_COMBINED_PORTS(sport, hnum);
- struct sock *sk;
- const struct hlist_node *node;
- /* Optimize here for direct hit, only listening connections can
- * have wildcards anyways.
- */
- unsigned int hash = inet_ehashfn(daddr, hnum, saddr, sport);
- struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
- rwlock_t *lock = inet_ehash_lockp(hashinfo, hash);
-
- prefetch(head->chain.first);
- read_lock(lock);
- sk_for_each(sk, node, &head->chain) {
- if (INET_MATCH(sk, hash, acookie, saddr, daddr, ports, dif))
- goto hit; /* You sunk my battleship! */
- }
-
- /* Must check for a TIME_WAIT'er before going to listener hash. */
- sk_for_each(sk, node, &head->twchain) {
- if (INET_TW_MATCH(sk, hash, acookie, saddr, daddr, ports, dif))
- goto hit;
- }
- sk = NULL;
-out:
- read_unlock(lock);
- return sk;
-hit:
- sock_hold(sk);
- goto out;
-}
+extern struct sock * __inet_lookup_established(struct inet_hashinfo *hashinfo,
+ const __be32 saddr, const __be16 sport,
+ const __be32 daddr, const u16 hnum, const int dif);
static inline struct sock *
inet_lookup_established(struct inet_hashinfo *hashinfo,
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 8dfd5a691e5..2e5814a8436 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -190,6 +190,44 @@ sherry_cache:
}
EXPORT_SYMBOL_GPL(__inet_lookup_listener);
+struct sock * __inet_lookup_established(struct inet_hashinfo *hashinfo,
+ const __be32 saddr, const __be16 sport,
+ const __be32 daddr, const u16 hnum,
+ const int dif)
+{
+ INET_ADDR_COOKIE(acookie, saddr, daddr)
+ const __portpair ports = INET_COMBINED_PORTS(sport, hnum);
+ struct sock *sk;
+ const struct hlist_node *node;
+ /* Optimize here for direct hit, only listening connections can
+ * have wildcards anyways.
+ */
+ unsigned int hash = inet_ehashfn(daddr, hnum, saddr, sport);
+ struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
+ rwlock_t *lock = inet_ehash_lockp(hashinfo, hash);
+
+ prefetch(head->chain.first);
+ read_lock(lock);
+ sk_for_each(sk, node, &head->chain) {
+ if (INET_MATCH(sk, hash, acookie, saddr, daddr, ports, dif))
+ goto hit; /* You sunk my battleship! */
+ }
+
+ /* Must check for a TIME_WAIT'er before going to listener hash. */
+ sk_for_each(sk, node, &head->twchain) {
+ if (INET_TW_MATCH(sk, hash, acookie, saddr, daddr, ports, dif))
+ goto hit;
+ }
+ sk = NULL;
+out:
+ read_unlock(lock);
+ return sk;
+hit:
+ sock_hold(sk);
+ goto out;
+}
+EXPORT_SYMBOL_GPL(__inet_lookup_established);
+
/* called with local bh disabled */
static int __inet_check_established(struct inet_timewait_death_row *death_row,
struct sock *sk, __u16 lport,