From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
This patch adds the new nf_ct_timeout_lookup function to encapsulate
the timeout policy attachment that is called in the nf_conntrack_in
path.
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
include/net/netfilter/nf_conntrack_timeout.h | 20 ++++++++++++++++++++
net/netfilter/nf_conntrack_core.c | 7 +------
2 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/include/net/netfilter/nf_conntrack_timeout.h b/include/net/netfilter/nf_conntrack_timeout.h
index 34ec89f..e41e472 100644
--- a/include/net/netfilter/nf_conntrack_timeout.h
+++ b/include/net/netfilter/nf_conntrack_timeout.h
@@ -55,6 +55,26 @@ struct nf_conn_timeout *nf_ct_timeout_ext_add(struct nf_conn *ct,
#endif
};
+static inline unsigned int *
+nf_ct_timeout_lookup(struct net *net, struct nf_conn *ct,
+ struct nf_conntrack_l4proto *l4proto)
+{
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+ struct nf_conn_timeout *timeout_ext;
+ unsigned int *timeouts;
+
+ timeout_ext = nf_ct_timeout_find(ct);
+ if (timeout_ext)
+ timeouts = NF_CT_TIMEOUT_EXT_DATA(timeout_ext);
+ else
+ timeouts = l4proto->get_timeouts(net);
+
+ return timeouts;
+#else
+ return l4proto->get_timeouts(net);
+#endif
+}
+
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
extern int nf_conntrack_timeout_init(struct net *net);
extern void nf_conntrack_timeout_fini(struct net *net);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index f83e79d..c9bb994 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -930,7 +930,6 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
enum ip_conntrack_info ctinfo;
struct nf_conntrack_l3proto *l3proto;
struct nf_conntrack_l4proto *l4proto;
- struct nf_conn_timeout *timeout_ext;
unsigned int *timeouts;
unsigned int dataoff;
u_int8_t protonum;
@@ -997,11 +996,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
NF_CT_ASSERT(skb->nfct);
/* Decide what timeout policy we want to apply to this flow. */
- timeout_ext = nf_ct_timeout_find(ct);
- if (timeout_ext)
- timeouts = NF_CT_TIMEOUT_EXT_DATA(timeout_ext);
- else
- timeouts = l4proto->get_timeouts(net);
+ timeouts = nf_ct_timeout_lookup(net, ct, l4proto);
ret = l4proto->packet(ct, skb, dataoff, ctinfo, pf, hooknum, timeouts);
if (ret <= 0) {
--
1.7.10.4
--
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