root/include/linux/netfilter/xt_u32.h

INCLUDED FROM

#ifndef _XT_U32_H
#define _XT_U32_H 1

enum xt_u32_ops {
        XT_U32_AND,
        XT_U32_LEFTSH,
        XT_U32_RIGHTSH,
        XT_U32_AT,
};

struct xt_u32_location_element {
        u_int32_t number;
        u_int8_t nextop;
};

struct xt_u32_value_element {
        u_int32_t min;
        u_int32_t max;
};

/*
 * Any way to allow for an arbitrary number of elements?
 * For now, I settle with a limit of 10 each.
 */
#define XT_U32_MAXSIZE 10

struct xt_u32_test {
        struct xt_u32_location_element location[XT_U32_MAXSIZE+1];
        struct xt_u32_value_element value[XT_U32_MAXSIZE+1];
        u_int8_t nnums;
        u_int8_t nvalues;
};

struct xt_u32 {
        struct xt_u32_test tests[XT_U32_MAXSIZE+1];
        u_int8_t ntests;
        u_int8_t invert;
};

#endif /* _XT_U32_H */