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path: root/net/netfilter/nf_conntrack_proto_generic.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_proto_generic.c')
-rw-r--r--net/netfilter/nf_conntrack_proto_generic.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c
index d25f29377648..957c1db66652 100644
--- a/net/netfilter/nf_conntrack_proto_generic.c
+++ b/net/netfilter/nf_conntrack_proto_generic.c
@@ -14,6 +14,30 @@
static unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ;
+static bool nf_generic_should_process(u8 proto)
+{
+ switch (proto) {
+#ifdef CONFIG_NF_CT_PROTO_SCTP_MODULE
+ case IPPROTO_SCTP:
+ return false;
+#endif
+#ifdef CONFIG_NF_CT_PROTO_DCCP_MODULE
+ case IPPROTO_DCCP:
+ return false;
+#endif
+#ifdef CONFIG_NF_CT_PROTO_GRE_MODULE
+ case IPPROTO_GRE:
+ return false;
+#endif
+#ifdef CONFIG_NF_CT_PROTO_UDPLITE_MODULE
+ case IPPROTO_UDPLITE:
+ return false;
+#endif
+ default:
+ return true;
+ }
+}
+
static inline struct nf_generic_net *generic_pernet(struct net *net)
{
return &net->ct.nf_ct_proto.generic;
@@ -67,7 +91,7 @@ static int generic_packet(struct nf_conn *ct,
static bool generic_new(struct nf_conn *ct, const struct sk_buff *skb,
unsigned int dataoff, unsigned int *timeouts)
{
- return true;
+ return nf_generic_should_process(nf_ct_protonum(ct));
}
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)