mcu/interface/service/ipsec/ipsec_tcpip_msg.h

#ifndef IPSEC_TCPIP_MSG_H
#define IPSEC_TCPIP_MSG_H

#include "ipsec_common_interface.h"

/*example:
MSG_ID_TDD_CRLC_CONFIG_AM_ESTABLISH_REQ
tdd_crlc_config_am_establish_req_struct
Name MUST exactly match:
MSG_ID_  +    TDD_CRLC_CONFIG_AM_ESTABLISH_REQ
                      tdd_crlc_config_am_establish_req             + _struct
*/

//MSG_ID_TCPIP_IPSEC_ENCAP_REQ
typedef struct
{
	LOCAL_PARA_HDR
	
	kal_uint32 transaction_id; // to identify the packet
	kal_uint32 input_data_len; // or input_payload_len
	kal_uint32 input_buffer_len;
	kal_uint32 output_buffer_len;
	kal_uint32 sa_id;
	void*      p_input_buffer; // point to the beginning of the TCP/UDP header for ENCAP
	void*      p_output_buffer;
	ipsec_proto_enum  next_header; // {TCP or UDP or ICMP or MH or IP} for ENCAP_REQ; 
} tcpip_ipsec_encap_req_struct;


//MSG_ID_TCPIP_IPSEC_DECAP_REQ
typedef struct
{
	LOCAL_PARA_HDR
	
	kal_uint32  transaction_id; // to identify the packet
	kal_uint32  input_data_len;
	kal_uint32  input_buffer_len; 
	kal_uint32  output_buffer_len;
	void*       p_input_buffer; // point to the beginning of the ESP header for DECAP
	void*       p_output_buffer;
	kal_uint8   src_addr[MAX_IP_ADDR_SIZE]; // IP_ADDR_MAX_LEN = 16 BYTES
	kal_uint8   dst_addr[MAX_IP_ADDR_SIZE];
	ipsec_addr_family_enum   addr_family; // ipv4 or ipv6
	ipsec_proto_enum   next_header; // {ESP or AH} for DECAP_REQ
} tcpip_ipsec_decap_req_struct; 


//MSG_ID_TCPIP_IPSEC_ENCAP_RSP
typedef struct
{
	LOCAL_PARA_HDR
	
	kal_uint32 transaction_id;//to identify the packet
	kal_uint32 output_data_len;//not always be equal to the input output_buffer_len in ENCAP_REQ/DECAP_REQ
	ipsec_proto_enum  next_header;//{ESP or AH} for ENCAP_RSP
	ipsec_status_enum status;//result

} tcpip_ipsec_encap_rsp_struct;


//MSG_ID_TCPIP_IPSEC_DECAP_RSP
typedef struct
{
	LOCAL_PARA_HDR
	
	kal_uint32 transaction_id;//to identify the packet
	kal_uint32 output_data_len;//not always be equal to the input output_buffer_len in ENCAP_REQ/DECAP_REQ
	ipsec_proto_enum  next_header;//{TCP or UDP or ICMP or MH or IP} for DECAP_RSP; 
	ipsec_status_enum status;//result

} tcpip_ipsec_decap_rsp_struct;


//MSG_ID_TCPIP_IPSEC_SA_CREATION_IND
typedef struct
{
	LOCAL_PARA_HDR
	
	kal_uint32 interface_id;
	kal_uint32 spi;
	kal_uint32 sa_id;
    
    ipsec_selector_t sel[IPSEC_MAX_SELECTOR_NUM]; /* equal to sp.sel */
    kal_uint32 ipsec_selector_count;
    /*
	kal_uint8  src_addr[MAX_IP_ADDR_SIZE];
	kal_uint8  dst_addr[MAX_IP_ADDR_SIZE];
	kal_uint8  addr_family;
	ipsec_proto_enum  next_header;
	kal_uint16 src_port;
	kal_uint16 dst_port;
	*/
	ipsec_proto_enum  ipsec_protocol;//ESP or AH
	
	kal_uint32 overhead_fixed_len;
	kal_uint32 overhead_block_size;
} tcpip_ipsec_sa_creation_ind_struct;


//MSG_ID_TCPIP_IPSEC_SA_DELETION_IND
typedef struct
{
	LOCAL_PARA_HDR
	
	kal_uint32 sa_id;
} tcpip_ipsec_sa_deletion_ind_struct;

// MSG_ID_TCPIP_IPSEC_MULTI_SA_DELETION_IND
typedef struct
{
	LOCAL_PARA_HDR

	kal_uint32 sa_del_cnt;
	kal_uint32 ipsec_said_list[IPSEC_MAX_SASP_DEL_NUM];
} tcpip_ipsec_multi_sa_deletion_ind_struct;

#endif