/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * $Id$
 */
#ifndef __IP_LOOKUP_H__
#define __IP_LOOKUP_H__

# define        SIOCLOOKUPADDTABLE      _IOWR('r', 60, struct iplookupop)
# define        SIOCLOOKUPDELTABLE      _IOWR('r', 61, struct iplookupop)
# define        SIOCLOOKUPSTAT          _IOWR('r', 64, struct iplookupop)
# define        SIOCLOOKUPSTATW         _IOW('r', 64, struct iplookupop)
# define        SIOCLOOKUPFLUSH         _IOWR('r', 65, struct iplookupflush)
# define        SIOCLOOKUPADDNODE       _IOWR('r', 67, struct iplookupop)
# define        SIOCLOOKUPADDNODEW      _IOW('r', 67, struct iplookupop)
# define        SIOCLOOKUPDELNODE       _IOWR('r', 68, struct iplookupop)
# define        SIOCLOOKUPDELNODEW      _IOW('r', 68, struct iplookupop)

#define LOOKUP_POOL_MAX (IPL_LOGSIZE)
#define LOOKUP_POOL_SZ  (IPL_LOGSIZE + 1)

typedef struct  iplookupop      {
        int     iplo_type;      /* IPLT_* */
        int     iplo_unit;      /* IPL_LOG* */
        u_int   iplo_arg;
        char    iplo_name[FR_GROUPLEN];
        size_t  iplo_size;      /* sizeof struct at iplo_struct */
        void    *iplo_struct;
} iplookupop_t;

#define LOOKUP_ANON     0x80000000


typedef struct  iplookupflush   {
        int     iplf_type;      /* IPLT_* */
        int     iplf_unit;      /* IPL_LOG* */
        u_int   iplf_arg;
        u_int   iplf_count;
        char    iplf_name[FR_GROUPLEN];
} iplookupflush_t;

typedef struct  iplookuplink    {
        int     ipll_type;      /* IPLT_* */
        int     ipll_unit;      /* IPL_LOG* */
        u_int   ipll_num;
        char    ipll_group[FR_GROUPLEN];
} iplookuplink_t;

#define IPLT_ALL        -1
#define IPLT_NONE       0
#define IPLT_POOL       1
#define IPLT_HASH       2
#define IPLT_DSTLIST    3


#define IPLT_ANON       0x80000000


typedef union   {
        struct  iplookupiterkey {
                u_char  ilik_ival;
                u_char  ilik_type;      /* IPLT_* */
                u_char  ilik_otype;
                signed char     ilik_unit;      /* IPL_LOG* */
        } ilik_unstr;
        u_32_t  ilik_key;
} iplookupiterkey_t;

typedef struct  ipflookupiter   {
        int                     ili_nitems;
        iplookupiterkey_t       ili_lkey;
        char                    ili_name[FR_GROUPLEN];
        void                    *ili_data;
} ipflookupiter_t;

#define ili_key         ili_lkey.ilik_key
#define ili_ival        ili_lkey.ilik_unstr.ilik_ival
#define ili_unit        ili_lkey.ilik_unstr.ilik_unit
#define ili_type        ili_lkey.ilik_unstr.ilik_type
#define ili_otype       ili_lkey.ilik_unstr.ilik_otype

#define IPFLOOKUPITER_LIST      0
#define IPFLOOKUPITER_NODE      1


typedef struct ipf_lookup {
        int     ipfl_type;
        void    *(*ipfl_create)(ipf_main_softc_t *);
        void    (*ipfl_destroy)(ipf_main_softc_t *, void *);
        int     (*ipfl_init)(ipf_main_softc_t *, void *);
        void    (*ipfl_fini)(ipf_main_softc_t *, void *);
        int     (*ipfl_addr_find)(ipf_main_softc_t *, void *,
                                       int, void *, u_int);
        size_t  (*ipfl_flush)(ipf_main_softc_t *, void *,
                                   iplookupflush_t *);
        int     (*ipfl_iter_deref)(ipf_main_softc_t *, void *,
                                        int, int, void *);
        int     (*ipfl_iter_next)(ipf_main_softc_t *, void *,
                                       ipftoken_t *, ipflookupiter_t *);
        int     (*ipfl_node_add)(ipf_main_softc_t *, void *,
                                      iplookupop_t *, int);
        int     (*ipfl_node_del)(ipf_main_softc_t *, void *,
                                      iplookupop_t *, int);
        int     (*ipfl_stats_get)(ipf_main_softc_t *, void *,
                                       iplookupop_t *);
        int     (*ipfl_table_add)(ipf_main_softc_t *, void *,
                                       iplookupop_t *);
        int     (*ipfl_table_del)(ipf_main_softc_t *, void *,
                                       iplookupop_t *);
        int     (*ipfl_table_deref)(ipf_main_softc_t *, void *, void *);
        void    *(*ipfl_table_find)(void *, int, char *);
        void    *(*ipfl_select_add_ref)(void *, int, char *);
        int     (*ipfl_select_node)(fr_info_t *, void *, u_32_t *,
                                         frdest_t *);
        void    (*ipfl_expire)(ipf_main_softc_t *, void *);
        void    (*ipfl_sync)(ipf_main_softc_t *, void *);
} ipf_lookup_t;

extern int ipf_lookup_init(void);
extern int ipf_lookup_ioctl(ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *);
extern void ipf_lookup_main_unload(void);
extern void ipf_lookup_deref(ipf_main_softc_t *, int, void *);
extern void ipf_lookup_iterderef(ipf_main_softc_t *, u_32_t, void *);
extern void *ipf_lookup_res_name(ipf_main_softc_t *, int, u_int, char *,
                                      lookupfunc_t *);
extern void *ipf_lookup_res_num(ipf_main_softc_t *, int, u_int, u_int,
                                     lookupfunc_t *);
extern void ipf_lookup_soft_destroy(ipf_main_softc_t *, void *);
extern void *ipf_lookup_soft_create(ipf_main_softc_t *);
extern int ipf_lookup_soft_init(ipf_main_softc_t *, void *);
extern int ipf_lookup_soft_fini(ipf_main_softc_t *, void *);
extern void *ipf_lookup_find_htable(ipf_main_softc_t *, int, char *);
extern void ipf_lookup_expire(ipf_main_softc_t *);
extern void ipf_lookup_sync(ipf_main_softc_t *, void *);
#ifndef _KERNEL
extern  void    ipf_lookup_dump(ipf_main_softc_t *, void *);
#endif
#endif /* __IP_LOOKUP_H__ */