include/linux/netfilter/xt_limit.h

   1 #ifndef _XT_RATE_H
   2 #define _XT_RATE_H
   3
   4 #include <linux/types.h>
   5
   6 /* timings are in milliseconds. */
   7 #define XT_LIMIT_SCALE 10000
   8
   9 struct xt_limit_priv;
  10
  11 /* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
  12    seconds, or one every 59 hours. */
  13 struct xt_rateinfo {
  14         __u32 avg;    /* Average secs between packets * scale */
  15         __u32 burst;  /* Period multiplier for upper limit. */
  16
  17         /* Used internally by the kernel */
  18         unsigned long prev; /* moved to xt_limit_priv */
  19         __u32 credit; /* moved to xt_limit_priv */
  20         __u32 credit_cap, cost;
  21
  22         struct xt_limit_priv *master;
  23 };
  24 #endif /*_XT_RATE_H*/