diff options
author | Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2005-08-10 05:07:35 +0200 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-30 00:41:44 +0200 |
commit | 6e04e02165a7209a71db553b7bc48d68421e5ebf (patch) | |
tree | 004157924013e6c099cacac59f39d3dd61f3e0e5 /net/ipv6 | |
parent | [INET]: Generalise tcp_bind_hash & tcp_inherit_port (diff) | |
download | linux-6e04e02165a7209a71db553b7bc48d68421e5ebf.tar.xz linux-6e04e02165a7209a71db553b7bc48d68421e5ebf.zip |
[INET]: Move tcp_port_rover to inet_hashinfo
Also expose all of the tcp_hashinfo members, i.e. killing those
tcp_ehash, etc macros, this will more clearly expose already generic
functions and some that need just a bit of work to become generic, as
we'll see in the upcoming changesets.
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index bfbedb56bce2..362ef5a64062 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -84,7 +84,7 @@ static __inline__ int tcp_v6_hashfn(struct in6_addr *laddr, u16 lport, hashent ^= (laddr->s6_addr32[3] ^ faddr->s6_addr32[3]); hashent ^= hashent>>16; hashent ^= hashent>>8; - return (hashent & (tcp_ehash_size - 1)); + return (hashent & (tcp_hashinfo.ehash_size - 1)); } static __inline__ int tcp_v6_sk_hashfn(struct sock *sk) @@ -138,15 +138,15 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum) int remaining = (high - low) + 1; int rover; - spin_lock(&tcp_portalloc_lock); - if (tcp_port_rover < low) + spin_lock(&tcp_hashinfo.portalloc_lock); + if (tcp_hashinfo.port_rover < low) rover = low; else - rover = tcp_port_rover; + rover = tcp_hashinfo.port_rover; do { rover++; if (rover > high) rover = low; - head = &tcp_bhash[inet_bhashfn(rover, tcp_bhash_size)]; + head = &tcp_hashinfo.bhash[inet_bhashfn(rover, tcp_hashinfo.bhash_size)]; spin_lock(&head->lock); inet_bind_bucket_for_each(tb, node, &head->chain) if (tb->port == rover) @@ -155,8 +155,8 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum) next: spin_unlock(&head->lock); } while (--remaining > 0); - tcp_port_rover = rover; - spin_unlock(&tcp_portalloc_lock); + tcp_hashinfo.port_rover = rover; + spin_unlock(&tcp_hashinfo.portalloc_lock); /* Exhausted local port range during search? It is not * possible for us to be holding one of the bind hash @@ -171,7 +171,7 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum) /* OK, here is the one we will use. */ snum = rover; } else { - head = &tcp_bhash[inet_bhashfn(snum, tcp_bhash_size)]; + head = &tcp_hashinfo.bhash[inet_bhashfn(snum, tcp_hashinfo.bhash_size)]; spin_lock(&head->lock); inet_bind_bucket_for_each(tb, node, &head->chain) if (tb->port == snum) @@ -192,8 +192,11 @@ tb_found: } tb_not_found: ret = 1; - if (!tb && (tb = inet_bind_bucket_create(tcp_bucket_cachep, head, snum)) == NULL) - goto fail_unlock; + if (tb == NULL) { + tb = inet_bind_bucket_create(tcp_hashinfo.bind_bucket_cachep, head, snum); + if (tb == NULL) + goto fail_unlock; + } if (hlist_empty(&tb->owners)) { if (sk->sk_reuse && sk->sk_state != TCP_LISTEN) tb->fastreuse = 1; @@ -224,13 +227,13 @@ static __inline__ void __tcp_v6_hash(struct sock *sk) BUG_TRAP(sk_unhashed(sk)); if (sk->sk_state == TCP_LISTEN) { - list = &tcp_listening_hash[inet_sk_listen_hashfn(sk)]; - lock = &tcp_lhash_lock; + list = &tcp_hashinfo.listening_hash[inet_sk_listen_hashfn(sk)]; + lock = &tcp_hashinfo.lhash_lock; tcp_listen_wlock(); } else { sk->sk_hashent = tcp_v6_sk_hashfn(sk); - list = &tcp_ehash[sk->sk_hashent].chain; - lock = &tcp_ehash[sk->sk_hashent].lock; + list = &tcp_hashinfo.ehash[sk->sk_hashent].chain; + lock = &tcp_hashinfo.ehash[sk->sk_hashent].lock; write_lock(lock); } @@ -263,8 +266,8 @@ static struct sock *tcp_v6_lookup_listener(struct in6_addr *daddr, unsigned shor int score, hiscore; hiscore=0; - read_lock(&tcp_lhash_lock); - sk_for_each(sk, node, &tcp_listening_hash[inet_lhashfn(hnum)]) { + read_lock(&tcp_hashinfo.lhash_lock); + sk_for_each(sk, node, &tcp_hashinfo.listening_hash[inet_lhashfn(hnum)]) { if (inet_sk(sk)->num == hnum && sk->sk_family == PF_INET6) { struct ipv6_pinfo *np = inet6_sk(sk); @@ -291,7 +294,7 @@ static struct sock *tcp_v6_lookup_listener(struct in6_addr *daddr, unsigned shor } if (result) sock_hold(result); - read_unlock(&tcp_lhash_lock); + read_unlock(&tcp_hashinfo.lhash_lock); return result; } @@ -315,7 +318,7 @@ static inline struct sock *__tcp_v6_lookup_established(struct in6_addr *saddr, u * have wildcards anyways. */ hash = tcp_v6_hashfn(daddr, hnum, saddr, sport); - head = &tcp_ehash[hash]; + head = &tcp_hashinfo.ehash[hash]; read_lock(&head->lock); sk_for_each(sk, node, &head->chain) { /* For IPV6 do the cheaper port and family tests first. */ @@ -323,7 +326,7 @@ static inline struct sock *__tcp_v6_lookup_established(struct in6_addr *saddr, u goto hit; /* You sunk my battleship! */ } /* Must check for a TIME_WAIT'er before going to listener hash. */ - sk_for_each(sk, node, &(head + tcp_ehash_size)->chain) { + sk_for_each(sk, node, &(head + tcp_hashinfo.ehash_size)->chain) { /* FIXME: acme: check this... */ struct tcp_tw_bucket *tw = (struct tcp_tw_bucket *)sk; @@ -461,7 +464,7 @@ static int __tcp_v6_check_established(struct sock *sk, __u16 lport, int dif = sk->sk_bound_dev_if; u32 ports = TCP_COMBINED_PORTS(inet->dport, lport); int hash = tcp_v6_hashfn(daddr, inet->num, saddr, inet->dport); - struct inet_ehash_bucket *head = &tcp_ehash[hash]; + struct inet_ehash_bucket *head = &tcp_hashinfo.ehash[hash]; struct sock *sk2; struct hlist_node *node; struct tcp_tw_bucket *tw; @@ -469,7 +472,7 @@ static int __tcp_v6_check_established(struct sock *sk, __u16 lport, write_lock(&head->lock); /* Check TIME-WAIT sockets first. */ - sk_for_each(sk2, node, &(head + tcp_ehash_size)->chain) { + sk_for_each(sk2, node, &(head + tcp_hashinfo.ehash_size)->chain) { tw = (struct tcp_tw_bucket*)sk2; if(*((__u32 *)&(tw->tw_dport)) == ports && @@ -558,7 +561,7 @@ static int tcp_v6_hash_connect(struct sock *sk) local_bh_disable(); for (i = 1; i <= range; i++) { port = low + (i + offset) % range; - head = &tcp_bhash[inet_bhashfn(port, tcp_bhash_size)]; + head = &tcp_hashinfo.bhash[inet_bhashfn(port, tcp_hashinfo.bhash_size)]; spin_lock(&head->lock); /* Does not bother with rcv_saddr checks, @@ -578,7 +581,7 @@ static int tcp_v6_hash_connect(struct sock *sk) } } - tb = inet_bind_bucket_create(tcp_bucket_cachep, head, port); + tb = inet_bind_bucket_create(tcp_hashinfo.bind_bucket_cachep, head, port); if (!tb) { spin_unlock(&head->lock); break; @@ -613,7 +616,7 @@ ok: goto out; } - head = &tcp_bhash[inet_bhashfn(snum, tcp_bhash_size)]; + head = &tcp_hashinfo.bhash[inet_bhashfn(snum, tcp_hashinfo.bhash_size)]; tb = inet_sk(sk)->bind_hash; spin_lock_bh(&head->lock); |