1 files changed, 92 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_h323.h b/include/linux/netfilter/nf_conntrack_h323.h
new file mode 100644
index 000000000000..08e2f4977c2e
--- /dev/null
+++ b/include/linux/netfilter/nf_conntrack_h323.h
@@ -0,0 +1,92 @@
+#ifndef _NF_CONNTRACK_H323_H
+#define _NF_CONNTRACK_H323_H
+
+#ifdef __KERNEL__
+
+#include <linux/netfilter/nf_conntrack_h323_asn1.h>
+
+#define RAS_PORT 1719
+#define Q931_PORT 1720
+#define H323_RTP_CHANNEL_MAX 4	/* Audio, video, FAX and other */
+
+/* This structure exists only once per master */
+struct nf_ct_h323_master {
+
+	/* Original and NATed Q.931 or H.245 signal ports */
+	__be16 sig_port[IP_CT_DIR_MAX];
+
+	/* Original and NATed RTP ports */
+	__be16 rtp_port[H323_RTP_CHANNEL_MAX][IP_CT_DIR_MAX];
+
+	union {
+		/* RAS connection timeout */
+		u_int32_t timeout;
+
+		/* Next TPKT length (for separate TPKT header and data) */
+		u_int16_t tpkt_len[IP_CT_DIR_MAX];
+	};
+};
+
+struct nf_conn;
+
+extern int get_h225_addr(struct nf_conn *ct, unsigned char *data,
+			 TransportAddress *taddr,
+			 union nf_conntrack_address *addr, __be16 *port);
+extern void nf_conntrack_h245_expect(struct nf_conn *new,
+				     struct nf_conntrack_expect *this);
+extern void nf_conntrack_q931_expect(struct nf_conn *new,
+				     struct nf_conntrack_expect *this);
+extern int (*set_h245_addr_hook) (struct sk_buff **pskb,
+				  unsigned char **data, int dataoff,
+				  H245_TransportAddress *taddr,
+				  union nf_conntrack_address *addr,
+				  __be16 port);
+extern int (*set_h225_addr_hook) (struct sk_buff **pskb,
+				  unsigned char **data, int dataoff,
+				  TransportAddress *taddr,
+				  union nf_conntrack_address *addr,
+				  __be16 port);
+extern int (*set_sig_addr_hook) (struct sk_buff **pskb,
+				 struct nf_conn *ct,
+				 enum ip_conntrack_info ctinfo,
+				 unsigned char **data,
+				 TransportAddress *taddr, int count);
+extern int (*set_ras_addr_hook) (struct sk_buff **pskb,
+				 struct nf_conn *ct,
+				 enum ip_conntrack_info ctinfo,
+				 unsigned char **data,
+				 TransportAddress *taddr, int count);
+extern int (*nat_rtp_rtcp_hook) (struct sk_buff **pskb,
+				 struct nf_conn *ct,
+				 enum ip_conntrack_info ctinfo,
+				 unsigned char **data, int dataoff,
+				 H245_TransportAddress *taddr,
+				 __be16 port, __be16 rtp_port,
+				 struct nf_conntrack_expect *rtp_exp,
+				 struct nf_conntrack_expect *rtcp_exp);
+extern int (*nat_t120_hook) (struct sk_buff **pskb, struct nf_conn *ct,
+			     enum ip_conntrack_info ctinfo,
+			     unsigned char **data, int dataoff,
+			     H245_TransportAddress *taddr, __be16 port,
+			     struct nf_conntrack_expect *exp);
+extern int (*nat_h245_hook) (struct sk_buff **pskb, struct nf_conn *ct,
+			     enum ip_conntrack_info ctinfo,
+			     unsigned char **data, int dataoff,
+			     TransportAddress *taddr, __be16 port,
+			     struct nf_conntrack_expect *exp);
+extern int (*nat_callforwarding_hook) (struct sk_buff **pskb,
+				       struct nf_conn *ct,
+				       enum ip_conntrack_info ctinfo,
+				       unsigned char **data, int dataoff,
+				       TransportAddress *taddr,
+				       __be16 port,
+				       struct nf_conntrack_expect *exp);
+extern int (*nat_q931_hook) (struct sk_buff **pskb, struct nf_conn *ct,
+			     enum ip_conntrack_info ctinfo,
+			     unsigned char **data, TransportAddress *taddr,
+			     int idx, __be16 port,
+			     struct nf_conntrack_expect *exp);
+
+#endif
+
+#endif