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| author | Pavel Emelyanov <xemul@openvz.org> | 2008-01-31 05:05:50 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-31 19:28:18 -0800 |
| commit | 941b1d22cc035ad58b3d9b44a1c74efac2d7e499 (patch) | |
| tree | 9b50211c27a209c02d97b73f74bf33cc87f4c9c3 /net/ipv4/inet_connection_sock.c | |
| parent | 5ee31fc1ecdcbc234c8c56dcacef87c8e09909d8 (diff) | |
| download | linux-stable-941b1d22cc035ad58b3d9b44a1c74efac2d7e499.tar.gz linux-stable-941b1d22cc035ad58b3d9b44a1c74efac2d7e499.tar.bz2 linux-stable-941b1d22cc035ad58b3d9b44a1c74efac2d7e499.zip | |
[NETNS]: Make bind buckets live in net namespaces.
This tags the inet_bind_bucket struct with net pointer,
initializes it during creation and makes a filtering
during lookup.
A better hashfn, that takes the net into account is to
be done in the future, but currently all bind buckets
with similar port will be in one hash chain.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_connection_sock.c')
| -rw-r--r-- | net/ipv4/inet_connection_sock.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 7801cceb2d1b..de5a41de191a 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -87,6 +87,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo, struct hlist_node *node; struct inet_bind_bucket *tb; int ret; + struct net *net = sk->sk_net; local_bh_disable(); if (!snum) { @@ -100,7 +101,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo, head = &hashinfo->bhash[inet_bhashfn(rover, hashinfo->bhash_size)]; spin_lock(&head->lock); inet_bind_bucket_for_each(tb, node, &head->chain) - if (tb->port == rover) + if (tb->ib_net == net && tb->port == rover) goto next; break; next: @@ -127,7 +128,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo, head = &hashinfo->bhash[inet_bhashfn(snum, hashinfo->bhash_size)]; spin_lock(&head->lock); inet_bind_bucket_for_each(tb, node, &head->chain) - if (tb->port == snum) + if (tb->ib_net == net && tb->port == snum) goto tb_found; } tb = NULL; @@ -147,7 +148,8 @@ tb_found: } tb_not_found: ret = 1; - if (!tb && (tb = inet_bind_bucket_create(hashinfo->bind_bucket_cachep, head, snum)) == NULL) + if (!tb && (tb = inet_bind_bucket_create(hashinfo->bind_bucket_cachep, + net, head, snum)) == NULL) goto fail_unlock; if (hlist_empty(&tb->owners)) { if (sk->sk_reuse && sk->sk_state != TCP_LISTEN) |