[NETFILTER]: nf_conntrack/nf_nat: add H.323 helper port

Add IPv4 and IPv6 capable nf_conntrack port of the H.323 conntrack/NAT helper.

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

include/net/netfilter/nf_conntrack.h

@@ -41,11 +41,13 @@ union nf_conntrack_expect_proto {
 
 /* Add protocol helper include file here */
 #include <linux/netfilter/nf_conntrack_ftp.h>
+#include <linux/netfilter/nf_conntrack_h323.h>
 
 /* per conntrack: application helper private data */
 union nf_conntrack_help {
 	/* insert conntrack helper private data (master) here */
 	struct nf_ct_ftp_master ct_ftp_info;
+	struct nf_ct_h323_master ct_h323_info;
 };
 
 #include <linux/types.h>

include/net/netfilter/nf_conntrack_expect.h

@@ -41,6 +41,7 @@ struct nf_conntrack_expect
 	unsigned int flags;
 
 #ifdef CONFIG_NF_NAT_NEEDED
+	__be32 saved_ip;
 	/* This is the original per-proto part, used to map the
 	 * expected connection the way the recipient expects. */
 	union nf_conntrack_man_proto saved_proto;