root/include/linux/netfilter/xt_string.h

INCLUDED FROM

#ifndef _XT_STRING_H
#define _XT_STRING_H

#define XT_STRING_MAX_PATTERN_SIZE 128
#define XT_STRING_MAX_ALGO_NAME_SIZE 16

enum {
        XT_STRING_FLAG_INVERT           = 0x01,
        XT_STRING_FLAG_IGNORECASE       = 0x02
};

struct xt_string_info
{
        u_int16_t from_offset;
        u_int16_t to_offset;
        char      algo[XT_STRING_MAX_ALGO_NAME_SIZE];
        char      pattern[XT_STRING_MAX_PATTERN_SIZE];
        u_int8_t  patlen;
        union {
                struct {
                        u_int8_t  invert;
                } v0;

                struct {
                        u_int8_t  flags;
                } v1;
        } u;

        /* Used internally by the kernel */
        struct ts_config __attribute__((aligned(8))) *config;
};

#endif /*_XT_STRING_H*/