This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / linux / netfilter_ipv4 / ip_conntrack_h323.h

diff --git a/include/linux/netfilter_ipv4/ip_conntrack_h323.h b/include/linux/netfilter_ipv4/ip_conntrack_h323.h
new file mode 100644 (file)
index 0000000..eace86b
--- /dev/null
+++ b/include/linux/netfilter_ipv4/ip_conntrack_h323.h
@@ -0,0 +1,82 @@
+#ifndef _IP_CONNTRACK_H323_H
+#define _IP_CONNTRACK_H323_H
+
+#ifdef __KERNEL__
+
+#include <linux/netfilter_ipv4/ip_conntrack_helper_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 ip_ct_h323_master {
+
+       /* Original and NATed Q.931 or H.245 signal ports */
+       u_int16_t sig_port[IP_CT_DIR_MAX];
+
+       /* Original and NATed RTP ports */
+       u_int16_t 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 ip_conntrack_expect;
+
+extern int get_h225_addr(unsigned char *data, TransportAddress * addr,
+                        u_int32_t * ip, u_int16_t * port);
+extern void ip_conntrack_h245_expect(struct ip_conntrack *new,
+                                    struct ip_conntrack_expect *this);
+extern void ip_conntrack_q931_expect(struct ip_conntrack *new,
+                                    struct ip_conntrack_expect *this);
+extern int (*set_h245_addr_hook) (struct sk_buff ** pskb,
+                                 unsigned char **data, int dataoff,
+                                 H245_TransportAddress * addr,
+                                 u_int32_t ip, u_int16_t port);
+extern int (*set_h225_addr_hook) (struct sk_buff ** pskb,
+                                 unsigned char **data, int dataoff,
+                                 TransportAddress * addr,
+                                 u_int32_t ip, u_int16_t port);
+extern int (*set_sig_addr_hook) (struct sk_buff ** pskb,
+                                struct ip_conntrack * ct,
+                                enum ip_conntrack_info ctinfo,
+                                unsigned char **data,
+                                TransportAddress * addr, int count);
+extern int (*set_ras_addr_hook) (struct sk_buff ** pskb,
+                                struct ip_conntrack * ct,
+                                enum ip_conntrack_info ctinfo,
+                                unsigned char **data,
+                                TransportAddress * addr, int count);
+extern int (*nat_rtp_rtcp_hook) (struct sk_buff ** pskb,
+                                struct ip_conntrack * ct,
+                                enum ip_conntrack_info ctinfo,
+                                unsigned char **data, int dataoff,
+                                H245_TransportAddress * addr,
+                                u_int16_t port, u_int16_t rtp_port,
+                                struct ip_conntrack_expect * rtp_exp,
+                                struct ip_conntrack_expect * rtcp_exp);
+extern int (*nat_t120_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
+                            enum ip_conntrack_info ctinfo,
+                            unsigned char **data, int dataoff,
+                            H245_TransportAddress * addr, u_int16_t port,
+                            struct ip_conntrack_expect * exp);
+extern int (*nat_h245_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
+                            enum ip_conntrack_info ctinfo,
+                            unsigned char **data, int dataoff,
+                            TransportAddress * addr, u_int16_t port,
+                            struct ip_conntrack_expect * exp);
+extern int (*nat_q931_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
+                            enum ip_conntrack_info ctinfo,
+                            unsigned char **data, TransportAddress * addr,
+                            int idx, u_int16_t port,
+                            struct ip_conntrack_expect * exp);
+
+#endif
+
+#endif