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      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*/
     22