#ifndef _IPT_RATE_H#define _IPT_RATE_H/* timings are in milliseconds. */#define IPT_LIMIT_SCALE 10000/* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490   seconds, or one every 59 hours. */struct ipt_rateinfo {	u_int32_t avg;    /* Average secs between packets * scale */	u_int32_t burst;  /* Period multiplier for upper limit. */#ifdef KERNEL_64_USERSPACE_32	u_int64_t prev;	u_int64_t placeholder;#else	/* Used internally by the kernel */	unsigned long prev;	/* Ugly, ugly fucker. */	struct ipt_rateinfo *master;#endif	u_int32_t credit;	u_int32_t credit_cap, cost;};#endif /*_IPT_RATE_H*/