1 files changed, 108 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack_compat.h b/include/net/netfilter/nf_conntrack_compat.h
new file mode 100644
index 00000000000000..3cac19fb36488c
--- /dev/null
+++ b/include/net/netfilter/nf_conntrack_compat.h
@@ -0,0 +1,108 @@
+#ifndef _NF_CONNTRACK_COMPAT_H
+#define _NF_CONNTRACK_COMPAT_H
+
+#ifdef __KERNEL__
+
+#if defined(CONFIG_IP_NF_CONNTRACK) || defined(CONFIG_IP_NF_CONNTRACK_MODULE)
+
+#include <linux/netfilter_ipv4/ip_conntrack.h>
+
+#ifdef CONFIG_IP_NF_CONNTRACK_MARK
+static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb,
+					u_int32_t *ctinfo)
+{
+	struct ip_conntrack *ct = ip_conntrack_get(skb, ctinfo);
+
+	if (ct)
+		return &ct->mark;
+	else
+		return NULL;
+}
+#endif /* CONFIG_IP_NF_CONNTRACK_MARK */
+
+#ifdef CONFIG_IP_NF_CT_ACCT
+static inline struct ip_conntrack_counter *
+nf_ct_get_counters(const struct sk_buff *skb)
+{
+	enum ip_conntrack_info ctinfo;
+	struct ip_conntrack *ct = ip_conntrack_get(skb, &ctinfo);
+
+	if (ct)
+		return ct->counters;
+	else
+		return NULL;
+}
+#endif /* CONFIG_IP_NF_CT_ACCT */
+
+static inline int nf_ct_is_untracked(const struct sk_buff *skb)
+{
+	return (skb->nfct == &ip_conntrack_untracked.ct_general);
+}
+
+static inline void nf_ct_untrack(struct sk_buff *skb)
+{
+	skb->nfct = &ip_conntrack_untracked.ct_general;
+}
+
+static inline int nf_ct_get_ctinfo(const struct sk_buff *skb,
+				   enum ip_conntrack_info *ctinfo)
+{
+	struct ip_conntrack *ct = ip_conntrack_get(skb, ctinfo);
+	return (ct != NULL);
+}
+
+#else /* CONFIG_IP_NF_CONNTRACK */
+
+#include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
+#include <net/netfilter/nf_conntrack.h>
+
+#ifdef CONFIG_NF_CONNTRACK_MARK
+
+static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb,
+					u_int32_t *ctinfo)
+{
+	struct nf_conn *ct = nf_ct_get(skb, ctinfo);
+
+	if (ct)
+		return &ct->mark;
+	else
+		return NULL;
+}
+#endif /* CONFIG_NF_CONNTRACK_MARK */
+
+#ifdef CONFIG_NF_CT_ACCT
+static inline struct ip_conntrack_counter *
+nf_ct_get_counters(const struct sk_buff *skb)
+{
+	enum ip_conntrack_info ctinfo;
+	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
+
+	if (ct)
+		return ct->counters;
+	else
+		return NULL;
+}
+#endif /* CONFIG_NF_CT_ACCT */
+
+static inline int nf_ct_is_untracked(const struct sk_buff *skb)
+{
+	return (skb->nfct == &nf_conntrack_untracked.ct_general);
+}
+
+static inline void nf_ct_untrack(struct sk_buff *skb)
+{
+	skb->nfct = &nf_conntrack_untracked.ct_general;
+}
+
+static inline int nf_ct_get_ctinfo(const struct sk_buff *skb,
+				   enum ip_conntrack_info *ctinfo)
+{
+	struct nf_conn *ct = nf_ct_get(skb, ctinfo);
+	return (ct != NULL);
+}
+
+#endif /* CONFIG_IP_NF_CONNTRACK */
+
+#endif /* __KERNEL__ */
+
+#endif /* _NF_CONNTRACK_COMPAT_H */