struct module;
-/* Reuse expectation when max_expected reached */
-#define IP_CT_HELPER_F_REUSE_EXPECT 0x01
-
struct ip_conntrack_helper
{
struct list_head list; /* Internal use. */
const char *name; /* name of the module */
- unsigned char flags; /* Flags (see above) */
struct module *me; /* pointer to self */
unsigned int max_expected; /* Maximum number of concurrent
* expected connections */
/* Function to call when data passes; return verdict, or -1 to
invalidate. */
- int (*help)(struct sk_buff *skb,
+ int (*help)(struct sk_buff **pskb,
struct ip_conntrack *ct,
enum ip_conntrack_info conntrackinfo);
+
+ void (*destroy)(struct ip_conntrack *ct);
+
+ int (*to_nfattr)(struct sk_buff *skb, const struct ip_conntrack *ct);
};
extern int ip_conntrack_helper_register(struct ip_conntrack_helper *);
extern void ip_conntrack_helper_unregister(struct ip_conntrack_helper *);
-extern struct ip_conntrack_helper *ip_ct_find_helper(const struct ip_conntrack_tuple *tuple);
-
-
/* Allocate space for an expectation: this is mandatory before calling
- ip_conntrack_expect_related. */
-extern struct ip_conntrack_expect *ip_conntrack_expect_alloc(void);
+ ip_conntrack_expect_related. You will have to call put afterwards. */
+extern struct ip_conntrack_expect *
+ip_conntrack_expect_alloc(struct ip_conntrack *master);
+extern void ip_conntrack_expect_put(struct ip_conntrack_expect *exp);
+
/* Add an expected connection: can have more than one per connection */
-extern int ip_conntrack_expect_related(struct ip_conntrack_expect *exp,
- struct ip_conntrack *related_to);
-extern int ip_conntrack_change_expect(struct ip_conntrack_expect *expect,
- struct ip_conntrack_tuple *newtuple);
+extern int ip_conntrack_expect_related(struct ip_conntrack_expect *exp);
extern void ip_conntrack_unexpect_related(struct ip_conntrack_expect *exp);
#endif /*_IP_CONNTRACK_HELPER_H*/