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yaml
---
r: 112072
b: refs/heads/master
c: 5a1fb39
h: refs/heads/master
v: v3
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Alexey Dobriyan authored and Patrick McHardy committed Oct 8, 2008
1 parent 0c48da1 commit 1d317c5
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Showing 4 changed files with 31 additions and 8 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: dfdb8d791877052bbb527d9688d94a064721d8f7
refs/heads/master: 5a1fb391d881905e89623d78858d05b248cbc86a
18 changes: 16 additions & 2 deletions trunk/include/net/netfilter/nf_conntrack.h
Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,9 @@ struct nf_conn

/* Extensions */
struct nf_ct_ext *ext;

#ifdef CONFIG_NET_NS
struct net *ct_net;
#endif
struct rcu_head rcu;
};

Expand All @@ -147,6 +149,17 @@ static inline u_int8_t nf_ct_protonum(const struct nf_conn *ct)
/* get master conntrack via master expectation */
#define master_ct(conntr) (conntr->master)

extern struct net init_net;

static inline struct net *nf_ct_net(const struct nf_conn *ct)
{
#ifdef CONFIG_NET_NS
return ct->ct_net;
#else
return &init_net;
#endif
}

/* Alter reply tuple (maybe alter helper). */
extern void
nf_conntrack_alter_reply(struct nf_conn *ct,
Expand Down Expand Up @@ -251,7 +264,8 @@ extern void
nf_ct_iterate_cleanup(int (*iter)(struct nf_conn *i, void *data), void *data);
extern void nf_conntrack_free(struct nf_conn *ct);
extern struct nf_conn *
nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
nf_conntrack_alloc(struct net *net,
const struct nf_conntrack_tuple *orig,
const struct nf_conntrack_tuple *repl,
gfp_t gfp);

Expand Down
17 changes: 13 additions & 4 deletions trunk/net/netfilter/nf_conntrack_core.c
Original file line number Diff line number Diff line change
Expand Up @@ -464,7 +464,8 @@ static noinline int early_drop(unsigned int hash)
return dropped;
}

struct nf_conn *nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
struct nf_conn *nf_conntrack_alloc(struct net *net,
const struct nf_conntrack_tuple *orig,
const struct nf_conntrack_tuple *repl,
gfp_t gfp)
{
Expand Down Expand Up @@ -503,6 +504,9 @@ struct nf_conn *nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
ct->tuplehash[IP_CT_DIR_REPLY].tuple = *repl;
/* Don't set timer yet: wait for confirmation */
setup_timer(&ct->timeout, death_by_timeout, (unsigned long)ct);
#ifdef CONFIG_NET_NS
ct->ct_net = net;
#endif
INIT_RCU_HEAD(&ct->rcu);

return ct;
Expand All @@ -528,7 +532,8 @@ EXPORT_SYMBOL_GPL(nf_conntrack_free);
/* Allocate a new conntrack: we return -ENOMEM if classification
failed due to stress. Otherwise it really is unclassifiable. */
static struct nf_conntrack_tuple_hash *
init_conntrack(const struct nf_conntrack_tuple *tuple,
init_conntrack(struct net *net,
const struct nf_conntrack_tuple *tuple,
struct nf_conntrack_l3proto *l3proto,
struct nf_conntrack_l4proto *l4proto,
struct sk_buff *skb,
Expand All @@ -544,7 +549,7 @@ init_conntrack(const struct nf_conntrack_tuple *tuple,
return NULL;
}

ct = nf_conntrack_alloc(tuple, &repl_tuple, GFP_ATOMIC);
ct = nf_conntrack_alloc(net, tuple, &repl_tuple, GFP_ATOMIC);
if (ct == NULL || IS_ERR(ct)) {
pr_debug("Can't allocate conntrack.\n");
return (struct nf_conntrack_tuple_hash *)ct;
Expand Down Expand Up @@ -631,7 +636,8 @@ resolve_normal_ct(struct sk_buff *skb,
/* look for tuple match */
h = nf_conntrack_find_get(&tuple);
if (!h) {
h = init_conntrack(&tuple, l3proto, l4proto, skb, dataoff);
h = init_conntrack(&init_net, &tuple, l3proto, l4proto, skb,
dataoff);
if (!h)
return NULL;
if (IS_ERR(h))
Expand Down Expand Up @@ -1185,6 +1191,9 @@ int nf_conntrack_init(struct net *net)

/* Set up fake conntrack:
- to never be deleted, not in any hashes */
#ifdef CONFIG_NET_NS
nf_conntrack_untracked.ct_net = &init_net;
#endif
atomic_set(&nf_conntrack_untracked.ct_general.use, 1);
/* - and look it like as a confirmed connection */
set_bit(IPS_CONFIRMED_BIT, &nf_conntrack_untracked.status);
Expand Down
2 changes: 1 addition & 1 deletion trunk/net/netfilter/nf_conntrack_netlink.c
Original file line number Diff line number Diff line change
Expand Up @@ -1125,7 +1125,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
struct nf_conn_help *help;
struct nf_conntrack_helper *helper;

ct = nf_conntrack_alloc(otuple, rtuple, GFP_KERNEL);
ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_KERNEL);
if (ct == NULL || IS_ERR(ct))
return -ENOMEM;

Expand Down

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