LXR linux/include/uapi/linux/netfilter/xt

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _XT_U32_H
   3#define _XT_U32_H 1
   4
   5#include <linux/types.h>
   6
   7enum xt_u32_ops {
   8        XT_U32_AND,
   9        XT_U32_LEFTSH,
  10        XT_U32_RIGHTSH,
  11        XT_U32_AT,
  12};
  13
  14struct xt_u32_location_element {
  15        __u32 number;
  16        __u8 nextop;
  17};
  18
  19struct xt_u32_value_element {
  20        __u32 min;
  21        __u32 max;
  22};
  23
  24/*
  25 * Any way to allow for an arbitrary number of elements?
  26 * For now, I settle with a limit of 10 each.
  27 */
  28#define XT_U32_MAXSIZE 10
  29
  30struct xt_u32_test {
  31        struct xt_u32_location_element location[XT_U32_MAXSIZE+1];
  32        struct xt_u32_value_element value[XT_U32_MAXSIZE+1];
  33        __u8 nnums;
  34        __u8 nvalues;
  35};
  36
  37struct xt_u32 {
  38        struct xt_u32_test tests[XT_U32_MAXSIZE+1];
  39        __u8 ntests;
  40        __u8 invert;
  41};
  42
  43#endif /* _XT_U32_H */
  44