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Diffstat (limited to 'net/netfilter/nft_set_hash.c')
-rw-r--r--net/netfilter/nft_set_hash.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c
index 6e8d20c03e3d..b331a3c9a3a8 100644
--- a/net/netfilter/nft_set_hash.c
+++ b/net/netfilter/nft_set_hash.c
@@ -16,7 +16,7 @@
#include <linux/rhashtable.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_tables.h>
-#include <net/netfilter/nf_tables.h>
+#include <net/netfilter/nf_tables_core.h>
/* We target a hash table size of 4, element hint is 75% of final size */
#define NFT_RHASH_ELEMENT_HINT 3
@@ -234,6 +234,24 @@ static void nft_rhash_remove(const struct net *net,
rhashtable_remove_fast(&priv->ht, &he->node, nft_rhash_params);
}
+static bool nft_rhash_delete(const struct nft_set *set,
+ const u32 *key)
+{
+ struct nft_rhash *priv = nft_set_priv(set);
+ struct nft_rhash_cmp_arg arg = {
+ .genmask = NFT_GENMASK_ANY,
+ .set = set,
+ .key = key,
+ };
+ struct nft_rhash_elem *he;
+
+ he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params);
+ if (he == NULL)
+ return false;
+
+ return rhashtable_remove_fast(&priv->ht, &he->node, nft_rhash_params) == 0;
+}
+
static void nft_rhash_walk(const struct nft_ctx *ctx, struct nft_set *set,
struct nft_set_iter *iter)
{
@@ -662,6 +680,7 @@ struct nft_set_type nft_set_rhash_type __read_mostly = {
.remove = nft_rhash_remove,
.lookup = nft_rhash_lookup,
.update = nft_rhash_update,
+ .delete = nft_rhash_delete,
.walk = nft_rhash_walk,
.get = nft_rhash_get,
},