diff options
Diffstat (limited to 'release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_h323.h')
| -rw-r--r-- | release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_h323.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_h323.h b/release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_h323.h new file mode 100644 index 00000000..10221fe9 --- /dev/null +++ b/release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_h323.h @@ -0,0 +1,30 @@ +#ifndef _IP_CONNTRACK_H323_H +#define _IP_CONNTRACK_H323_H +/* H.323 connection tracking. */ + +#ifdef __KERNEL__ +/* Protects H.323 related data */ +DECLARE_LOCK_EXTERN(ip_h323_lock); +#endif + +/* Default H.225 port */ +#define H225_PORT 1720 + +/* This structure is per expected connection */ +struct ip_ct_h225_expect { + u_int16_t port; /* Port of the H.225 helper/RTCP/RTP channel */ + enum ip_conntrack_dir dir; /* Direction of the original connection */ + unsigned int offset; /* offset of the address in the payload */ +}; + +/* This structure exists only once per master */ +struct ip_ct_h225_master { + int is_h225; /* H.225 or H.245 connection */ +#ifdef CONFIG_IP_NF_NAT_NEEDED + enum ip_conntrack_dir dir; /* Direction of the original connection */ + u_int32_t seq[IP_CT_DIR_MAX]; /* Exceptional packet mangling for signal addressess... */ + unsigned int offset[IP_CT_DIR_MAX]; /* ...and the offset of the addresses in the payload */ +#endif +}; + +#endif /* _IP_CONNTRACK_H323_H */ |