release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/netfilter/xt_geoip.h

   1 /* ipt_geoip.h header file for libipt_geoip.c and ipt_geoip.c
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * Copyright (c) 2004, 2005, 2006, 2007, 2008
   9  *
  10  * Samuel Jean
  11  * Nicolas Bouliane
  12  */
  13 #ifndef _XT_GEOIP_H
  14 #define _XT_GEOIP_H
  15
  16 #define XT_GEOIP_SRC         0x01     /* Perform check on Source IP */
  17 #define XT_GEOIP_DST         0x02     /* Perform check on Destination IP */
  18 #define XT_GEOIP_INV         0x04     /* Negate the condition */
  19
  20 #define XT_GEOIP_MAX         15       /* Maximum of countries */
  21
  22 struct geoip_subnet {
  23    u_int32_t begin;
  24    u_int32_t end;
  25 };
  26
  27 struct geoip_info {
  28    struct geoip_subnet *subnets;
  29    u_int32_t count;
  30    u_int32_t ref;
  31    u_int16_t cc;
  32    struct geoip_info *next;
  33    struct geoip_info *prev;
  34 };
  35
  36 struct xt_geoip_match_info {
  37    u_int8_t flags;
  38    u_int8_t count;
  39    u_int16_t cc[XT_GEOIP_MAX];
  40
  41    /* Used internally by the kernel */
  42    struct geoip_info *mem[XT_GEOIP_MAX];
  43    u_int8_t *refcount;
  44
  45    /* not implemented yet:
  46    void *fini;
  47    */
  48 };
  49
  50 #define COUNTRY(cc) (cc >> 8), (cc & 0x00FF)
  51
  52 #endif
  53