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(parent: ee11a89) | patch
netfilter: nf_tables: Implement fast bitwise expression
authorPhil Sutter <phil@nwl.cc>
Thu, 1 Oct 2020 16:57:44 +0000 (18:57 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Sun, 4 Oct 2020 19:08:33 +0000 (21:08 +0200)
commit212a92c0df65f4940d2ab9822cfb6fed81f16621
treebfc2834ea3fe446b5bf8c59082afba2e8836b25ctree | snapshot
parentee11a891cef5bdcd534e6cd1d845f1f98be401ebcommit | diff
netfilter: nf_tables: Implement fast bitwise expression

A typical use of bitwise expression is to mask out parts of an IP
address when matching on the network part only. Optimize for this common
use with a fast variant for NFT_BITWISE_BOOL-type expressions operating
on 32bit-sized values.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
include/net/netfilter/nf_tables_core.h diff | blob | history
net/netfilter/nf_tables_core.c diff | blob | history
net/netfilter/nft_bitwise.c diff | blob | history
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