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authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-08 11:35:04 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:04 +0200
commit63c9a26264be108b52de087724673f8664570e34 (patch)
treec18fe6b396ce660f982e441c5a305d40d2d3b3d4
parent9b03f38d0487f3908696242286d934c9b38f9d2a (diff)
netfilter: netns nf_conntrack: per-netns unconfirmed list
What is confirmed connection in one netns can very well be unconfirmed in another one. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
-rw-r--r--include/net/netfilter/nf_conntrack_core.h1
-rw-r--r--include/net/netns/conntrack.h2
-rw-r--r--net/netfilter/nf_conntrack_core.c7
-rw-r--r--net/netfilter/nf_conntrack_helper.c2
4 files changed, 7 insertions, 5 deletions
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index 1c373564396..b4b45c541da 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -72,6 +72,5 @@ print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
const struct nf_conntrack_l4proto *proto);
extern spinlock_t nf_conntrack_lock ;
-extern struct hlist_head unconfirmed;
#endif /* _NF_CONNTRACK_CORE_H */
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index e453a33f3e9..6ddf58e142a 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -1,6 +1,7 @@
#ifndef __NETNS_CONNTRACK_H
#define __NETNS_CONNTRACK_H
+#include <linux/list.h>
#include <asm/atomic.h>
struct netns_ct {
@@ -8,6 +9,7 @@ struct netns_ct {
unsigned int expect_count;
struct hlist_head *hash;
struct hlist_head *expect_hash;
+ struct hlist_head unconfirmed;
int hash_vmalloc;
int expect_vmalloc;
};
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index c188edea249..2a105db1330 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -54,7 +54,6 @@ struct nf_conn nf_conntrack_untracked __read_mostly;
EXPORT_SYMBOL_GPL(nf_conntrack_untracked);
unsigned int nf_ct_log_invalid __read_mostly;
-HLIST_HEAD(unconfirmed);
static struct kmem_cache *nf_conntrack_cachep __read_mostly;
DEFINE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
@@ -596,7 +595,8 @@ init_conntrack(struct net *net,
}
/* Overload tuple linked list to put us in unconfirmed list. */
- hlist_add_head(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnode, &unconfirmed);
+ hlist_add_head(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnode,
+ &net->ct.unconfirmed);
spin_unlock_bh(&nf_conntrack_lock);
@@ -957,7 +957,7 @@ get_next_corpse(struct net *net, int (*iter)(struct nf_conn *i, void *data),
goto found;
}
}
- hlist_for_each_entry(h, n, &unconfirmed, hnode) {
+ hlist_for_each_entry(h, n, &net->ct.unconfirmed, hnode) {
ct = nf_ct_tuplehash_to_ctrack(h);
if (iter(ct, data))
set_bit(IPS_DYING_BIT, &ct->status);
@@ -1154,6 +1154,7 @@ int nf_conntrack_init(struct net *net)
printk(KERN_ERR "Unable to create nf_conntrack_hash\n");
goto err_out;
}
+ INIT_HLIST_HEAD(&net->ct.unconfirmed);
nf_conntrack_max = max_factor * nf_conntrack_htable_size;
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index c793db810cd..920e778539a 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -156,7 +156,7 @@ void nf_conntrack_helper_unregister(struct nf_conntrack_helper *me)
}
/* Get rid of expecteds, set helpers to NULL. */
- hlist_for_each_entry(h, n, &unconfirmed, hnode)
+ hlist_for_each_entry(h, n, &init_net.ct.unconfirmed, hnode)
unhelp(h, me);
for (i = 0; i < nf_conntrack_htable_size; i++) {
hlist_for_each_entry(h, n, &init_net.ct.hash[i], hnode)