netfilter: nft_limit: add per-byte limiting

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This patch adds a new NFTA_LIMIT_TYPE netlink attribute to indicate the type of
limiting.

Contrary to per-packet limiting, the cost is calculated from the packet path
since this depends on the packet length.

The burst attribute indicates the number of bytes in which the rate can be
exceeded.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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This commit is contained in:

Pablo Neira Ayuso 2015-08-05 12:38:44 +02:00

parent 8bdf362642

commit d2168e849e

2 changed files with 66 additions and 4 deletions

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7

include/uapi/linux/netfilter/nf_tables.h

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63

net/netfilter/nft_limit.c

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