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The nft limit match currently does not work at all. Below patches to nftables,
libnftables, and kernel address the issue. A few notes on the implementation:
- Removed support for nano/micro/milli second limits. These seem pointless,
given we are using jiffies in the limit match, not a hpet. And who really
needs to limit items down to sub-second level??
- 'depth' member is removed as unnecessary. All we need in the kernel is the
rate and the unit.
- 'stamp' member becomes the time we need to next refresh the token bucket,
instead of being updated on every packet which goes through the match.
This closes netfilter bugzilla #827, reported by Eric Leblond.
Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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