new file mode 100644
--- /dev/null
+++ b/packages/net/tcpip/current/include/netinet/ip_proxy.h
@@ -0,0 +1,185 @@
+//==========================================================================
+//
+//      include/netinet/ip_proxy.h
+//
+//      
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//####BSDCOPYRIGHTBEGIN####
+//
+// -------------------------------------------
+//
+// Portions of this software may have been derived from OpenBSD or other sources,
+// and are covered by the appropriate copyright disclaimers included herein.
+//
+// -------------------------------------------
+//
+//####BSDCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-01-10
+// Purpose:      
+// Description:  
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+/* $OpenBSD: ip_proxy.h,v 1.4 1999/12/15 05:20:23 kjell Exp $ */
+/*
+ * Copyright (C) 1997-1998 by Darren Reed.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and due credit is given
+ * to the original author and the contributors.
+ *
+ * $Id: ip_proxy.h,v 1.1 2000/06/06 08:39:40 jlarmour Exp $
+ */
+
+#ifndef	_NETINET_IP_PROXY_H__
+#define	_NETINET_IP_PROXY_H__
+
+#ifndef SOLARIS
+#define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
+#endif
+
+#ifndef	APR_LABELLEN
+#define	APR_LABELLEN	16
+#endif
+#define	AP_SESS_SIZE	53
+
+struct	nat;
+struct	ipnat;
+
+typedef	struct	ap_tcp {
+	u_short	apt_sport;	/* source port */
+	u_short	apt_dport;	/* destination port */
+	short	apt_sel[2];	/* {seq,ack}{off,min} set selector */
+	short	apt_seqoff[2];	/* sequence # difference */
+	tcp_seq	apt_seqmin[2];	/* don't change seq-off until after this */
+	short	apt_ackoff[2];	/* sequence # difference */
+	tcp_seq	apt_ackmin[2];	/* don't change seq-off until after this */
+	u_char	apt_state[2];	/* connection state */
+} ap_tcp_t;
+
+typedef	struct	ap_udp {
+	u_short	apu_sport;	/* source port */
+	u_short	apu_dport;	/* destination port */
+} ap_udp_t;
+
+typedef	struct ap_session {
+	struct	aproxy	*aps_apr;
+	union {
+		struct	ap_tcp	apu_tcp;
+		struct	ap_udp	apu_udp;
+	} aps_un;
+	u_int	aps_flags;
+	U_QUAD_T aps_bytes;	/* bytes sent */
+	U_QUAD_T aps_pkts;	/* packets sent */
+	void	*aps_nat;	/* pointer back to nat struct */
+	void	*aps_data;	/* private data */
+	int	aps_p;		/* protocol */
+	int	aps_psiz;	/* size of private data */
+	struct	ap_session	*aps_hnext;
+	struct	ap_session	*aps_next;
+} ap_session_t ;
+
+#define	aps_sport	aps_un.apu_tcp.apt_sport
+#define	aps_dport	aps_un.apu_tcp.apt_dport
+#define	aps_sel		aps_un.apu_tcp.apt_sel
+#define	aps_seqoff	aps_un.apu_tcp.apt_seqoff
+#define	aps_seqmin	aps_un.apu_tcp.apt_seqmin
+#define	aps_state	aps_un.apu_tcp.apt_state
+#define	aps_ackoff	aps_un.apu_tcp.apt_ackoff
+#define	aps_ackmin	aps_un.apu_tcp.apt_ackmin
+
+
+typedef	struct	aproxy	{
+	char	apr_label[APR_LABELLEN];	/* Proxy label # */
+	u_char	apr_p;		/* protocol */
+	int	apr_ref;	/* +1 per rule referencing it */
+	int	apr_flags;
+	int	(* apr_init) __P((void));
+	int	(* apr_new) __P((fr_info_t *, ip_t *,
+				 ap_session_t *, struct nat *));
+	int	(* apr_inpkt) __P((fr_info_t *, ip_t *,
+				   ap_session_t *, struct nat *));
+	int	(* apr_outpkt) __P((fr_info_t *, ip_t *,
+				    ap_session_t *, struct nat *));
+} aproxy_t;
+
+#define	APR_DELETE	1
+
+
+/*
+ * Real audio proxy structure and #defines
+ */
+typedef	struct	{
+	int	rap_seenpna;
+	int	rap_seenver;
+	int	rap_version;
+	int	rap_eos;	/* End Of Startup */
+	int	rap_gotid;
+	int	rap_gotlen;
+	int	rap_mode;
+	int	rap_sdone;
+	u_short	rap_plport;
+	u_short	rap_prport;
+	u_short	rap_srport;
+	char	rap_svr[19];
+	u_32_t	rap_sbf;	/* flag to indicate which of the 19 bytes have
+				 * been filled
+				 */
+	tcp_seq	rap_sseq;
+} raudio_t;
+
+#define	RA_ID_END	0
+#define	RA_ID_UDP	1
+#define	RA_ID_ROBUST	7
+
+#define	RAP_M_UDP	1
+#define	RAP_M_ROBUST	2
+#define	RAP_M_TCP	4
+#define	RAP_M_UDP_ROBUST	(RAP_M_UDP|RAP_M_ROBUST)
+
+
+extern	ap_session_t	*ap_sess_tab[AP_SESS_SIZE];
+extern	ap_session_t	*ap_sess_list;
+extern	aproxy_t	ap_proxies[];
+
+extern	int	appr_init __P((void));
+extern	int	appr_ok __P((ip_t *, tcphdr_t *, struct ipnat *));
+extern	void	appr_free __P((aproxy_t *));
+extern	void	aps_free __P((ap_session_t *));
+extern	int	appr_check __P((ip_t *, fr_info_t *, struct nat *));
+extern	aproxy_t	*appr_match __P((u_int, char *));
+
+#endif /* _NETINET_IP_PROXY_H__ */