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linux-2.6/include/linux/netfilter/xt_limit.h
Jan Engelhardt acc738fec0 netfilter: xtables: avoid pointer to self
Commit 784544739a (netfilter: iptables:
lock free counters) broke a number of modules whose rule data referenced
itself. A reallocation would not reestablish the correct references, so
it is best to use a separate struct that does not fall under RCU.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-16 15:35:29 +01:00

23 lines
600 B
C

#ifndef _XT_RATE_H
#define _XT_RATE_H
/* timings are in milliseconds. */
#define XT_LIMIT_SCALE 10000
struct xt_limit_priv;
/* 1/10,000 sec period => max of 10,000/sec. Min rate is then 429490
seconds, or one every 59 hours. */
struct xt_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; /* moved to xt_limit_priv */
u_int32_t credit; /* moved to xt_limit_priv */
u_int32_t credit_cap, cost;
struct xt_limit_priv *master;
};
#endif /*_XT_RATE_H*/