#include <linux/seq_file.h>
#include <net/netfilter/nf_conntrack.h>
+struct nfattr;
+
struct nf_conntrack_l3proto
{
- /* Next pointer. */
- struct list_head list;
-
/* L3 Protocol Family number. ex) PF_INET */
u_int16_t l3proto;
u_int32_t (*get_features)(const struct nf_conntrack_tuple *tuple);
+ int (*tuple_to_nfattr)(struct sk_buff *skb,
+ const struct nf_conntrack_tuple *t);
+
+ int (*nfattr_to_tuple)(struct nfattr *tb[],
+ struct nf_conntrack_tuple *t);
+
+#ifdef CONFIG_SYSCTL
+ struct ctl_table_header *ctl_table_header;
+ struct ctl_table *ctl_table_path;
+ struct ctl_table *ctl_table;
+#endif /* CONFIG_SYSCTL */
+
/* Module (if any) which this is connected to. */
struct module *me;
};
/* Protocol registration. */
extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto);
-extern void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
+extern int nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
+
+extern struct nf_conntrack_l3proto *
+nf_ct_l3proto_find_get(u_int16_t l3proto);
+
+extern void nf_ct_l3proto_put(struct nf_conntrack_l3proto *p);
+
+/* Existing built-in protocols */
+extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;
+extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6;
+extern struct nf_conntrack_l3proto nf_conntrack_l3proto_generic;
static inline struct nf_conntrack_l3proto *
-nf_ct_find_l3proto(u_int16_t l3proto)
+__nf_ct_l3proto_find(u_int16_t l3proto)
{
+ if (unlikely(l3proto >= AF_MAX))
+ return &nf_conntrack_l3proto_generic;
return nf_ct_l3protos[l3proto];
}
-/* Existing built-in protocols */
-extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;
-extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6;
-extern struct nf_conntrack_l3proto nf_conntrack_generic_l3proto;
#endif /*_NF_CONNTRACK_L3PROTO_H*/