From cb7dbfd0390c9e244339f3270fe8649568241812 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Thu, 10 Oct 2013 23:35:40 +0200 Subject: 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 Signed-off-by: Pablo Neira Ayuso --- include/net/netfilter/nf_tables_core.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') 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); -- cgit v1.2.3