[NETFILTER]: Remove IPv4 only connection tracking/NAT

Remove the obsolete IPv4 only connection tracking/NAT as scheduled in
feature-removal-schedule.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 46 deletions

diff --git a/include/linux/netfilter_ipv4/ip_conntrack_helper.h b/include/linux/netfilter_ipv4/ip_conntrack_helper.h
deleted file mode 100644
index 77fe868d36ff..000000000000
--- a/include/linux/netfilter_ipv4/ip_conntrack_helper.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* IP connection tracking helpers. */
-#ifndef _IP_CONNTRACK_HELPER_H
-#define _IP_CONNTRACK_HELPER_H
-#include <linux/netfilter_ipv4/ip_conntrack.h>
-
-struct module;
-
-struct ip_conntrack_helper
-{	
-	struct list_head list; 		/* Internal use. */
-
-	const char *name;		/* name of the module */
-	struct module *me;		/* pointer to self */
-	unsigned int max_expected;	/* Maximum number of concurrent 
-					 * expected connections */
-	unsigned int timeout;		/* timeout for expecteds */
-
-	/* Mask of things we will help (compared against server response) */
-	struct ip_conntrack_tuple tuple;
-	struct ip_conntrack_tuple mask;
-	
-	/* Function to call when data passes; return verdict, or -1 to
-           invalidate. */
-	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 *);
-
-/* Allocate space for an expectation: this is mandatory before calling 
-   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);
-extern void ip_conntrack_unexpect_related(struct ip_conntrack_expect *exp);
-
-#endif /*_IP_CONNTRACK_HELPER_H*/