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netfilter: nf_tables: performance set policy skips size description in selection 

Use the complexity and space notations if policy is performance, this
results in placing the bitmap set representation over the hashtable for
key <= 16 for better performance as we discussed during the last NFWS in
Faro, Portugal.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2017-11-06 05:57:13 +01:00
parent 0984d427c1
commit 644e334eee
1 changed files with 3 additions and 8 deletions
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11
net/netfilter/nf_tables_api.c
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@ -2549,14 +2549,9 @@ nft_select_set_ops(const struct nft_ctx *ctx,
case NFT_SET_POL_PERFORMANCE:
if (est.lookup < best.lookup)
break;
if (est.lookup == best.lookup) {
if (!desc->size) {
if (est.space < best.space)
break;
} else if (est.size < best.size) {
break;
}
}
if (est.lookup == best.lookup &&
est.space < best.space)
break;
continue;
case NFT_SET_POL_MEMORY:
if (!desc->size) {