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author | Patrick McHardy <kaber@trash.net> | 2013-10-10 23:35:40 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-10-14 17:16:09 +0200 |
commit | cb7dbfd0390c9e244339f3270fe8649568241812 (patch) | |
tree | 3e4587f757c08b59e936d4f45d0d2e7c25b3f93e /include/net/netfilter | |
parent | ef1f7df9170dbd875ce198ba84e6ab80f6fc139e (diff) | |
download | linux-stable-cb7dbfd0390c9e244339f3270fe8649568241812.tar.gz linux-stable-cb7dbfd0390c9e244339f3270fe8649568241812.tar.bz2 linux-stable-cb7dbfd0390c9e244339f3270fe8649568241812.zip |
netfilter: nf_tables: add optimized data comparison for small values
Add an optimized version of nft_data_cmp() that only handles values of to
4 bytes length.
This patch includes original Patrick McHardy's patch entitled (nf_tables:
inline nft_cmp_fast_eval() into main evaluation loop).
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/netfilter')
-rw-r--r-- | include/net/netfilter/nf_tables_core.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_tables_core.h b/include/net/netfilter/nf_tables_core.h index 283396c916e0..3df6a9be3bdd 100644 --- a/include/net/netfilter/nf_tables_core.h +++ b/include/net/netfilter/nf_tables_core.h @@ -7,6 +7,14 @@ extern void nf_tables_core_module_exit(void); extern int nft_immediate_module_init(void); extern void nft_immediate_module_exit(void); +struct nft_cmp_fast_expr { + u32 data; + enum nft_registers sreg:8; + u8 len; +}; + +extern const struct nft_expr_ops nft_cmp_fast_ops; + extern int nft_cmp_module_init(void); extern void nft_cmp_module_exit(void); |