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authorPatrick McHardy <kaber@trash.net>2015-03-26 12:39:40 +0000
committerPablo Neira Ayuso <pablo@netfilter.org>2015-04-01 11:17:49 +0200
commit9d0982927e79049675cb6c6c04a0ebb3dad5a434 (patch)
tree8a0c0e2e7e930f83fcd1bce4a1b5630a21d58d94 /include/net
parent6908665826d56ddd024f3e131a9ee36f0d140943 (diff)
downloadop-kernel-dev-9d0982927e79049675cb6c6c04a0ebb3dad5a434.zip
op-kernel-dev-9d0982927e79049675cb6c6c04a0ebb3dad5a434.tar.gz
netfilter: nft_hash: add support for timeouts
Add support for element timeouts to nft_hash. The lookup and walking functions are changed to ignore timed out elements, a periodic garbage collection task cleans out expired entries. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/netfilter/nf_tables.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 1ea13fc..a785699 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -294,6 +294,11 @@ static inline void *nft_set_priv(const struct nft_set *set)
return (void *)set->data;
}
+static inline struct nft_set *nft_set_container_of(const void *priv)
+{
+ return (void *)priv - offsetof(struct nft_set, data);
+}
+
struct nft_set *nf_tables_set_lookup(const struct nft_table *table,
const struct nlattr *nla);
struct nft_set *nf_tables_set_lookup_byid(const struct net *net,
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