summaryrefslogtreecommitdiffstats
path: root/include/linux/netfilter_ipv4/ipt_limit.h
blob: f46d4b4e44952e77184b2215ea7c3ba4e826fd94 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
#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. */

	/* Used internally by the kernel */
	unsigned long prev;
	/* Ugly, ugly fucker. */
	struct ipt_rateinfo *master;

	u_int32_t credit;
	u_int32_t credit_cap, cost;
};
#endif /*_IPT_RATE_H*/