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      1 /****************************************************************************
      2  ****************************************************************************
      3  ***
      4  ***   This header was automatically generated from a Linux kernel header
      5  ***   of the same name, to make information necessary for userspace to
      6  ***   call into the kernel available to libc.  It contains only constants,
      7  ***   structures, and macros generated from the original header, and thus,
      8  ***   contains no copyrightable information.
      9  ***
     10  ****************************************************************************
     11  ****************************************************************************/
     12 #ifndef _X_TABLES_H
     13 #define _X_TABLES_H
     14 
     15 #define XT_FUNCTION_MAXNAMELEN 30
     16 #define XT_TABLE_MAXNAMELEN 32
     17 
     18 struct xt_entry_match
     19 {
     20  union {
     21  struct {
     22  u_int16_t match_size;
     23 
     24  char name[XT_FUNCTION_MAXNAMELEN-1];
     25 
     26  u_int8_t revision;
     27  } user;
     28  struct {
     29  u_int16_t match_size;
     30 
     31  struct xt_match *match;
     32  } kernel;
     33 
     34  u_int16_t match_size;
     35  } u;
     36 
     37  unsigned char data[0];
     38 };
     39 
     40 struct xt_entry_target
     41 {
     42  union {
     43  struct {
     44  u_int16_t target_size;
     45 
     46  char name[XT_FUNCTION_MAXNAMELEN-1];
     47 
     48  u_int8_t revision;
     49  } user;
     50  struct {
     51  u_int16_t target_size;
     52 
     53  struct xt_target *target;
     54  } kernel;
     55 
     56  u_int16_t target_size;
     57  } u;
     58 
     59  unsigned char data[0];
     60 };
     61 
     62 struct xt_standard_target
     63 {
     64  struct xt_entry_target target;
     65  int verdict;
     66 };
     67 
     68 struct xt_get_revision
     69 {
     70  char name[XT_FUNCTION_MAXNAMELEN-1];
     71 
     72  u_int8_t revision;
     73 };
     74 
     75 #define XT_CONTINUE 0xFFFFFFFF
     76 
     77 #define XT_RETURN (-NF_REPEAT - 1)
     78 
     79 struct _xt_align
     80 {
     81  u_int8_t u8;
     82  u_int16_t u16;
     83  u_int32_t u32;
     84  u_int64_t u64;
     85 };
     86 
     87 #define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1))   & ~(__alignof__(struct _xt_align)-1))
     88 
     89 #define XT_STANDARD_TARGET ""
     90 
     91 #define XT_ERROR_TARGET "ERROR"
     92 
     93 #define XT_BASE_CTL 64
     94 
     95 #define XT_SO_SET_REPLACE (XT_BASE_CTL)
     96 #define XT_SO_SET_ADD_COUNTERS (XT_BASE_CTL + 1)
     97 #define XT_SO_SET_MAX XT_SO_SET_ADD_COUNTERS
     98 
     99 #define XT_SO_GET_INFO (XT_BASE_CTL)
    100 #define XT_SO_GET_ENTRIES (XT_BASE_CTL + 1)
    101 #define XT_SO_GET_REVISION_MATCH (XT_BASE_CTL + 2)
    102 #define XT_SO_GET_REVISION_TARGET (XT_BASE_CTL + 3)
    103 #define XT_SO_GET_MAX XT_SO_GET_REVISION_TARGET
    104 
    105 #define SET_COUNTER(c,b,p) do { (c).bcnt = (b); (c).pcnt = (p); } while(0)
    106 #define ADD_COUNTER(c,b,p) do { (c).bcnt += (b); (c).pcnt += (p); } while(0)
    107 
    108 struct xt_counters
    109 {
    110  u_int64_t pcnt, bcnt;
    111 };
    112 
    113 struct xt_counters_info
    114 {
    115 
    116  char name[XT_TABLE_MAXNAMELEN];
    117 
    118  unsigned int num_counters;
    119 
    120  struct xt_counters counters[0];
    121 };
    122 
    123 #define XT_INV_PROTO 0x40
    124 
    125 #endif
    126