include/uapi/linux/netfilter/xt_string.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _XT_STRING_H
   3 #define _XT_STRING_H
   4
   5 #include <linux/types.h>
   6
   7 #define XT_STRING_MAX_PATTERN_SIZE 128
   8 #define XT_STRING_MAX_ALGO_NAME_SIZE 16
   9
  10 enum {
  11         XT_STRING_FLAG_INVERT           = 0x01,
  12         XT_STRING_FLAG_IGNORECASE       = 0x02
  13 };
  14
  15 struct xt_string_info {
  16         __u16 from_offset;
  17         __u16 to_offset;
  18         char      algo[XT_STRING_MAX_ALGO_NAME_SIZE];
  19         char      pattern[XT_STRING_MAX_PATTERN_SIZE];
  20         __u8  patlen;
  21         union {
  22                 struct {
  23                         __u8  invert;
  24                 } v0;
  25
  26                 struct {
  27                         __u8  flags;
  28                 } v1;
  29         } u;
  30
  31         /* Used internally by the kernel */
  32         struct ts_config __attribute__((aligned(8))) *config;
  33 };
  34
  35 #endif /*_XT_STRING_H*/