include/linux/netfilter/xt_u32.h

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