X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Finet_hashtables.h;h=735b926a3497a874eebbba280ab0b5769638ab7d;hb=6a8b23086c82d7cc4f424518532c8b10d95715c0;hp=761bdc01425d796b6669bcaa73243d33abf7aab2;hpb=bd45ac0c5daae35e7c71138172e63df5cf644cf6;p=linux-2.6-omap-h63xx.git diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 761bdc01425..735b926a349 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -74,6 +74,7 @@ struct inet_ehash_bucket { * ports are created in O(1) time? I thought so. ;-) -DaveM */ struct inet_bind_bucket { + struct net *ib_net; unsigned short port; signed short fastreuse; struct hlist_node node; @@ -194,6 +195,7 @@ static inline void inet_ehash_locks_free(struct inet_hashinfo *hashinfo) extern struct inet_bind_bucket * inet_bind_bucket_create(struct kmem_cache *cachep, + struct net *net, struct inet_bind_hashbucket *head, const unsigned short snum); extern void inet_bind_bucket_destroy(struct kmem_cache *cachep, @@ -219,29 +221,9 @@ static inline int inet_sk_listen_hashfn(const struct sock *sk) } /* Caller must disable local BH processing. */ -static inline void __inet_inherit_port(struct inet_hashinfo *table, - struct sock *sk, struct sock *child) -{ - const int bhash = inet_bhashfn(inet_sk(child)->num, table->bhash_size); - struct inet_bind_hashbucket *head = &table->bhash[bhash]; - struct inet_bind_bucket *tb; - - spin_lock(&head->lock); - tb = inet_csk(sk)->icsk_bind_hash; - sk_add_bind_node(child, &tb->owners); - inet_csk(child)->icsk_bind_hash = tb; - spin_unlock(&head->lock); -} +extern void __inet_inherit_port(struct sock *sk, struct sock *child); -static inline void inet_inherit_port(struct inet_hashinfo *table, - struct sock *sk, struct sock *child) -{ - local_bh_disable(); - __inet_inherit_port(table, sk, child); - local_bh_enable(); -} - -extern void inet_put_port(struct inet_hashinfo *table, struct sock *sk); +extern void inet_put_port(struct sock *sk); extern void inet_listen_wlock(struct inet_hashinfo *hashinfo); @@ -264,51 +246,21 @@ static inline void inet_listen_unlock(struct inet_hashinfo *hashinfo) wake_up(&hashinfo->lhash_wait); } -extern void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk); -extern void __inet_hash_nolisten(struct inet_hashinfo *hinfo, struct sock *sk); - -static inline void inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) -{ - if (sk->sk_state != TCP_CLOSE) { - local_bh_disable(); - __inet_hash(hashinfo, sk); - local_bh_enable(); - } -} - -static inline void inet_unhash(struct inet_hashinfo *hashinfo, struct sock *sk) -{ - rwlock_t *lock; - - if (sk_unhashed(sk)) - goto out; - - if (sk->sk_state == TCP_LISTEN) { - local_bh_disable(); - inet_listen_wlock(hashinfo); - lock = &hashinfo->lhash_lock; - } else { - lock = inet_ehash_lockp(hashinfo, sk->sk_hash); - write_lock_bh(lock); - } +extern void __inet_hash_nolisten(struct sock *sk); +extern void inet_hash(struct sock *sk); +extern void inet_unhash(struct sock *sk); - if (__sk_del_node_init(sk)) - sock_prot_inuse_add(sk->sk_prot, -1); - write_unlock_bh(lock); -out: - if (sk->sk_state == TCP_LISTEN) - wake_up(&hashinfo->lhash_wait); -} - -extern struct sock *__inet_lookup_listener(struct inet_hashinfo *hashinfo, +extern struct sock *__inet_lookup_listener(struct net *net, + struct inet_hashinfo *hashinfo, const __be32 daddr, const unsigned short hnum, const int dif); -static inline struct sock *inet_lookup_listener(struct inet_hashinfo *hashinfo, - __be32 daddr, __be16 dport, int dif) +static inline struct sock *inet_lookup_listener(struct net *net, + struct inet_hashinfo *hashinfo, + __be32 daddr, __be16 dport, int dif) { - return __inet_lookup_listener(hashinfo, daddr, ntohs(dport), dif); + return __inet_lookup_listener(net, hashinfo, daddr, ntohs(dport), dif); } /* Socket demux engine toys. */ @@ -342,26 +294,26 @@ typedef __u64 __bitwise __addrpair; (((__force __u64)(__be32)(__daddr)) << 32) | \ ((__force __u64)(__be32)(__saddr))); #endif /* __BIG_ENDIAN */ -#define INET_MATCH(__sk, __hash, __cookie, __saddr, __daddr, __ports, __dif)\ - (((__sk)->sk_hash == (__hash)) && \ +#define INET_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)\ + (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ ((*((__addrpair *)&(inet_sk(__sk)->daddr))) == (__cookie)) && \ ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports)) && \ (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) -#define INET_TW_MATCH(__sk, __hash, __cookie, __saddr, __daddr, __ports, __dif)\ - (((__sk)->sk_hash == (__hash)) && \ +#define INET_TW_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)\ + (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ ((*((__addrpair *)&(inet_twsk(__sk)->tw_daddr))) == (__cookie)) && \ ((*((__portpair *)&(inet_twsk(__sk)->tw_dport))) == (__ports)) && \ (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) #else /* 32-bit arch */ #define INET_ADDR_COOKIE(__name, __saddr, __daddr) -#define INET_MATCH(__sk, __hash, __cookie, __saddr, __daddr, __ports, __dif) \ - (((__sk)->sk_hash == (__hash)) && \ +#define INET_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif) \ + (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ (inet_sk(__sk)->daddr == (__saddr)) && \ (inet_sk(__sk)->rcv_saddr == (__daddr)) && \ ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports)) && \ (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) -#define INET_TW_MATCH(__sk, __hash,__cookie, __saddr, __daddr, __ports, __dif) \ - (((__sk)->sk_hash == (__hash)) && \ +#define INET_TW_MATCH(__sk, __net, __hash,__cookie, __saddr, __daddr, __ports, __dif) \ + (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ (inet_twsk(__sk)->tw_daddr == (__saddr)) && \ (inet_twsk(__sk)->tw_rcv_saddr == (__daddr)) && \ ((*((__portpair *)&(inet_twsk(__sk)->tw_dport))) == (__ports)) && \ @@ -374,32 +326,36 @@ typedef __u64 __bitwise __addrpair; * * Local BH must be disabled here. */ -extern struct sock * __inet_lookup_established(struct inet_hashinfo *hashinfo, +extern struct sock * __inet_lookup_established(struct net *net, + 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, + inet_lookup_established(struct net *net, struct inet_hashinfo *hashinfo, const __be32 saddr, const __be16 sport, const __be32 daddr, const __be16 dport, const int dif) { - return __inet_lookup_established(hashinfo, saddr, sport, daddr, + return __inet_lookup_established(net, hashinfo, saddr, sport, daddr, ntohs(dport), dif); } -static inline struct sock *__inet_lookup(struct inet_hashinfo *hashinfo, +static inline struct sock *__inet_lookup(struct net *net, + struct inet_hashinfo *hashinfo, const __be32 saddr, const __be16 sport, const __be32 daddr, const __be16 dport, const int dif) { u16 hnum = ntohs(dport); - struct sock *sk = __inet_lookup_established(hashinfo, saddr, sport, daddr, - hnum, dif); - return sk ? : __inet_lookup_listener(hashinfo, daddr, hnum, dif); + struct sock *sk = __inet_lookup_established(net, hashinfo, + saddr, sport, daddr, hnum, dif); + + return sk ? : __inet_lookup_listener(net, hashinfo, daddr, hnum, dif); } -static inline struct sock *inet_lookup(struct inet_hashinfo *hashinfo, +static inline struct sock *inet_lookup(struct net *net, + struct inet_hashinfo *hashinfo, const __be32 saddr, const __be16 sport, const __be32 daddr, const __be16 dport, const int dif) @@ -407,12 +363,17 @@ static inline struct sock *inet_lookup(struct inet_hashinfo *hashinfo, struct sock *sk; local_bh_disable(); - sk = __inet_lookup(hashinfo, saddr, sport, daddr, dport, dif); + sk = __inet_lookup(net, hashinfo, saddr, sport, daddr, dport, dif); local_bh_enable(); return sk; } +extern int __inet_hash_connect(struct inet_timewait_death_row *death_row, + struct sock *sk, u32 port_offset, + int (*check_established)(struct inet_timewait_death_row *, + struct sock *, __u16, struct inet_timewait_sock **), + void (*hash)(struct sock *sk)); extern int inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk); #endif /* _INET_HASHTABLES_H */