include/linux/netfilter/xt_limit.h

   1 #ifndef _XT_RATE_H
   2 #define _XT_RATE_H
   3
   4 /* timings are in milliseconds. */
   5 #define XT_LIMIT_SCALE 10000
   6
   7 /* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
   8    seconds, or one every 59 hours. */
   9 struct xt_rateinfo {
  10         u_int32_t avg;    /* Average secs between packets * scale */
  11         u_int32_t burst;  /* Period multiplier for upper limit. */
  12
  13         /* Used internally by the kernel */
  14         unsigned long prev;
  15         u_int32_t credit;
  16         u_int32_t credit_cap, cost;
  17
  18         /* Ugly, ugly fucker. */
  19         struct xt_rateinfo *master;
  20 };
  21 #endif /*_XT_RATE_H*/