/*
 ******************************************************************************
 *                     HEADER FILE
 *
 *     Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmip6ha_h.h,v $ $Revision: 1.15 $
 *     $Source: /home/interpeak/CVSRoot/ipmip6ha/src/ipmip6ha_h.h,v $
 *     $Author: jhorteli $ $Date: 2009-03-31 15:00:32 $
 *     $State: Exp $ $Locker:  $
 *
 *     INTERPEAK_COPYRIGHT_STRING
 *     Design and implementation by Joel Hortelius <joel.hortelius@interpeak.se>
 ******************************************************************************
 */
#ifndef IPMIP6HA_H_H
#define IPMIP6HA_H_H

/*
 ****************************************************************************
 * 1                    DESCRIPTION
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 2                    CONFIGURATION
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 3                    INCLUDE FILES
 ****************************************************************************
 */
#include <ipcom_route.h>
#include <ipcom_hash.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 ****************************************************************************
 * 4                    DEFINES
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 5                    TYPES
 ****************************************************************************
 */
struct Ipmip6ha_nemo_pool;
struct Ipmip6ha_context;
struct Ipmip6ha_pktbuf;
struct Ipmip_proc;
struct Ipmip6ha_if;
struct Ipmip_cli_message;
struct Ipmip6ha_node;
struct Ipmip_timer;
struct Ipmip6ha_nemo_context;
struct Ipmip_buffer;
struct Ipmip_context_id;

typedef void (*Ipmip6ha_extension_config_global_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    int                               action,
    void                              *global_config,
    struct Ipmip_cli_message          *request
);

typedef void (*Ipmip6ha_extension_config_ifp_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    int                               action,
    struct Ipmip6ha_if                *ifp,
    void                              *global_config,
    void                              *ifp_config,
    struct Ipmip_cli_message          *request
);

typedef int (*Ipmip6ha_extension_provide_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    int                               action,
    void                              *global_config,
    void                              *ifp_config,
    void                              *node_config,
    struct Ipmip6ha_node              *node,
    struct Ipmip_timer                *service
);

typedef Ip_bool (*Ipmip6ha_extension_setup_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    int                               action,
    void                              *global_config,
    void                              *ifp_config,
    void                              *node_config,
    struct Ipmip6ha_node              *node,
    struct Ipmip_cli_message          *request
);

typedef Ip_bool (*Ipmip6ha_extension_pkt_req_validate_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    void                              *global_config,
    void                              *ifp_config,
    void                              *node_config,
    struct Ipmip6ha_node              *node,
    struct Ipmip6ha_pktbuf            *pbuf,
    struct Ipmip_timer                *service
);


typedef Ip_bool (*Ipmip6ha_extension_pkt_req_accept_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    void                              *global_config,
    void                              *ifp_config,
    void                              *node_config,
    struct Ipmip6ha_node              *node,
    struct Ipmip6ha_pktbuf            *pbuf,
    struct Ipmip_timer                *service
);

typedef void (*Ipmip6ha_extension_pkt_rep_apply_t)
(
    struct Ipmip6ha_context           *ctx,
    struct Ipmip_proc                 *proc,
    void                              *global_config,
    void                              *ifp_config,
    void                              *node_config,
    struct Ipmip6ha_node              *node,
    struct Ipmip6ha_pktbuf            *pbuf_reply,
    struct Ipmip6ha_pktbuf            *pbuf_request
);


typedef struct Ipmip6ha_extension
{
    const char                              *name;

    Ip_u32                                  node_data_size;
    Ip_u32                                  ifp_data_size;
    Ip_u32                                  global_data_size;

    /* Callbacks */
    Ipmip6ha_extension_config_ifp_t         config_ifp;
    Ipmip6ha_extension_config_global_t      config_global;
    Ipmip6ha_extension_provide_t            provide;
    Ipmip6ha_extension_setup_t              setup;

    Ipmip6ha_extension_pkt_req_validate_t   pkt_req_validate;
    Ipmip6ha_extension_pkt_req_accept_t     pkt_req_accept;
    Ipmip6ha_extension_pkt_rep_apply_t      pkt_rep_apply;

    /* Set by PMIP */
    Ip_u32                      type;
} Ipmip6ha_extension_t;

typedef struct Ipmip6ha_context
{
    Ipmip6_context_t                    ipmip6; /* Global context */

    Ip_fd                               fd_ipd;        /* ipd */

    struct Ip_in6_addr                  link_local_prefix;

    /* Mobile node specific information */

    /* Current prefix lists */
    Ipcom_mutex                         prefixes_lock;
    Ipcom_route                         *prefixes;
    Ipcom_hash                          *relay_map;

    struct Ipmip_context_id             *idents;
    struct Ipmip_context_id             *bri;

    struct
    {
            Ip_u32                      forward;
            Ip_u32                      tunnel;
    } iftables;

    /**/
    Ipcom_list                          ifs;
    Ipmip_timer_lock_t                  *ifs_lock;

    /* NEMO */
    Ipcom_mutex                         nemo_lock;
    Ipcom_route                         *nemo_rtab;
    struct Ipmip6ha_nemo_context        *nemo;

    Ipmip6ha_extension_t                *extensions[32];
    Ip_u32                              extensions_num;

    Ip_u32                              extensions_P_mask;
    Ip_u32                              extensions_H_mask;

    Ip_u32                              extensions_node_P_data;
    Ip_u32                              extensions_node_H_data;

    void                                *extdata[32];
}
Ipmip6ha_context_t;

typedef struct Ipmip6ha_relay_key
{
    char                *nai;
    Ip_size_t           nai_len;

    struct Ipmip6ha_if  *ifp;
} Ipmip6ha_relay_key_t;

/*
 ****************************************************************************
 * 6                    FUNCTIONS
 ****************************************************************************
 */

IP_GLOBAL Ip_u32 ipmip6ha_context_register_extension(Ipmip6ha_context_t     *ctx,
                                                     Ipmip6ha_extension_t   *srv,
                                                     Ip_bool                reg_H,
                                                     Ip_bool                reg_P);

IP_GLOBAL void ipmip6ha_dump_relay_map(struct Ipmip6ha_context  *ctx,
                                       struct Ipmip_proc        *proc,
                                       struct Ipmip_buffer      *buffer);

IP_GLOBAL void ipmip6ha_main(void);


#ifdef __cplusplus
}
#endif

#endif

/*
 ****************************************************************************
 *                      END OF FILE
 ****************************************************************************
 */