diff --git a/ap/app/include/ipsec_api.h b/ap/app/include/ipsec_api.h
new file mode 100644
index 0000000..c278944
--- /dev/null
+++ b/ap/app/include/ipsec_api.h
@@ -0,0 +1,119 @@
+#ifndef __VOLTE_PROXY_H__
+#define __VOLTE_PROXY_H__
+#include "softap_api.h"
+
+#define IPSEC_PROTO_BASE	0x00
+#define	IPSEC_PROTO_UNKOWN	IPSEC_PROTO_BASE
+#define IPSEC_PROTO_UDP		0x01
+#define	IPSEC_PROTO_TCP		0x02
+#define IPSEC_PROTO_TCP_UDP	0x03
+#define IPSEC_PROTO_MAX		IPSEC_PROTO_TCP_UDP
+#define IPSEC_NETIF_NAME_LEN	20
+#define IPSEC_NV_NAME_LEN		30
+#define IPSEC_IPV4ADDLEN_MAX         16
+#define IPSEC_IPV6ADDLEN_MAX         46
+
+
+typedef struct ipsec_set_msg 
+{
+	char dir[8];    /*in or out*/
+	int  IsIpv4;
+	unsigned short	PortC;
+	unsigned short	PortS;	
+	char	SrcIpv4[32];  
+	char	DestIpv4[32];
+	char 	SrcIpv6[64];
+	char 	DestIpv6[64];
+	char	Ikey[64];
+	char	Ckey[64];
+	int 	Spi;	
+	char	Prot[16];
+	char	Mod[16];
+	char	Ealg[16];
+	char	Alg[16];
+} ipsec_set_msg;
+
+typedef struct ipsec_set_sa_msg 
+{
+
+	int IsIpv4;			//ipv4=1   ipv6=0	
+	char	SrcIpv4[32];  
+	char	DestIpv4[32];
+	char	SrcIpv6[64];  
+	char	DestIpv6[64];
+	char	Ikey[64];
+	char	Ckey[64];
+	int 	Spi;	
+	char	XfrmProt[16];	
+	char	Mod[16];
+	char	Ealg[16];
+	char	Alg[16];
+} ipsec_set_sa_msg;
+
+typedef struct ipsec_set_sp_msg 
+{
+	char dir[8];    /*in or out*/
+	int IsIpv4;			//ipv4=1   ipv6=0
+	unsigned short	PortC;
+	unsigned short	PortS;	
+	char	SrcIpv4[32];  
+	char	DestIpv4[32];
+	char	SrcIpv6[64];  
+	char	DestIpv6[64];
+	int 	Spi;	
+	char	XfrmProt[16];
+	int		Prot;
+	char	Mod[16];
+} ipsec_set_sp_msg;
+
+typedef struct ipsec_del_msg 
+{
+	char dir[8];    /*in or out*/
+	int IsIpv4;			//ipv4=1   ipv6=0
+	unsigned short	PortC;
+	unsigned short	PortS;	
+	char	SrcIpv4[32];  
+	char	DestIpv4[32];
+	char	SrcIpv6[64];  
+	char	DestIpv6[64];
+	char	Ikey[64];
+	char	Ckey[64];
+	int 	Spi;	
+	char	Prot[16];
+	char	Mod[16];
+	char	Ealg[16];
+	char	Alg[16];
+} ipsec_del_msg;
+
+typedef struct ipsec_del_sa_msg
+{
+	int 	IsIpv4;			//ipv4=1   ipv6=0	
+	char	SrcIpv4[32];  
+	char	DestIpv4[32];
+	char	SrcIpv6[64];  
+	char	DestIpv6[64];
+	int 	Spi;	
+	char	XfrmProt[16];
+	char	Mod[16];
+}ipsec_del_sa_msg;
+
+typedef struct ipsec_del_sp_msg
+{
+	char dir[8];    /*in or out*/
+	int IsIpv4;			//ipv4=1   ipv6=0
+	unsigned short	PortC;
+	unsigned short	PortS;	
+	char	SrcIpv4[32];  
+	char	DestIpv4[32];
+	char	SrcIpv6[64];  
+	char	DestIpv6[64];	
+	int 	Prot;
+}ipsec_del_sp_msg;
+
+extern int ipsec_set(int s, void *data, int datalen);
+extern int ipsec_del(int s, void *data, int datalen);
+extern int ipsec_set_sa(int s, void *data, int datalen);
+extern int ipsec_set_sp(int s, void *data, int datalen);
+extern int ipsec_del_sa(int s, void *data, int datalen);
+extern int ipsec_del_sp(int s, void *data, int datalen);
+#endif