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author | Patrick McHardy <kaber@trash.net> | 2015-03-25 13:07:46 +0000 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-03-25 17:18:33 +0100 |
commit | 745f5450d5190e8bd02301b8d42f06999af3f5f8 (patch) | |
tree | 2971ba48649674ff4221c4cda89582597855e0a5 /net/netfilter/nft_hash.c | |
parent | 49f7b33e63fec9d16e7ee62ba8f8ab4159cbdc26 (diff) | |
download | op-kernel-dev-745f5450d5190e8bd02301b8d42f06999af3f5f8.zip op-kernel-dev-745f5450d5190e8bd02301b8d42f06999af3f5f8.tar.gz |
netfilter: nft_hash: restore struct nft_hash
Following patches will add new private members, restore struct nft_hash
as preparation.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nft_hash.c')
-rw-r--r-- | net/netfilter/nft_hash.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c index f9ce219..a517f84 100644 --- a/net/netfilter/nft_hash.c +++ b/net/netfilter/nft_hash.c @@ -23,6 +23,10 @@ /* We target a hash table size of 4, element hint is 75% of final size */ #define NFT_HASH_ELEMENT_HINT 3 +struct nft_hash { + struct rhashtable ht; +}; + struct nft_hash_elem { struct rhash_head node; struct nft_data key; @@ -35,10 +39,10 @@ static bool nft_hash_lookup(const struct nft_set *set, const struct nft_data *key, struct nft_data *data) { - struct rhashtable *priv = nft_set_priv(set); + struct nft_hash *priv = nft_set_priv(set); const struct nft_hash_elem *he; - he = rhashtable_lookup_fast(priv, key, nft_hash_params); + he = rhashtable_lookup_fast(&priv->ht, key, nft_hash_params); if (he && set->flags & NFT_SET_MAP) nft_data_copy(data, he->data); @@ -48,7 +52,7 @@ static bool nft_hash_lookup(const struct nft_set *set, static int nft_hash_insert(const struct nft_set *set, const struct nft_set_elem *elem) { - struct rhashtable *priv = nft_set_priv(set); + struct nft_hash *priv = nft_set_priv(set); struct nft_hash_elem *he; unsigned int size; int err; @@ -68,7 +72,7 @@ static int nft_hash_insert(const struct nft_set *set, if (set->flags & NFT_SET_MAP) nft_data_copy(he->data, &elem->data); - err = rhashtable_insert_fast(priv, &he->node, nft_hash_params); + err = rhashtable_insert_fast(&priv->ht, &he->node, nft_hash_params); if (err) kfree(he); @@ -87,19 +91,19 @@ static void nft_hash_elem_destroy(const struct nft_set *set, static void nft_hash_remove(const struct nft_set *set, const struct nft_set_elem *elem) { - struct rhashtable *priv = nft_set_priv(set); + struct nft_hash *priv = nft_set_priv(set); - rhashtable_remove_fast(priv, elem->cookie, nft_hash_params); + rhashtable_remove_fast(&priv->ht, elem->cookie, nft_hash_params); synchronize_rcu(); kfree(elem->cookie); } static int nft_hash_get(const struct nft_set *set, struct nft_set_elem *elem) { - struct rhashtable *priv = nft_set_priv(set); + struct nft_hash *priv = nft_set_priv(set); struct nft_hash_elem *he; - he = rhashtable_lookup_fast(priv, &elem->key, nft_hash_params); + he = rhashtable_lookup_fast(&priv->ht, &elem->key, nft_hash_params); if (!he) return -ENOENT; @@ -114,13 +118,13 @@ static int nft_hash_get(const struct nft_set *set, struct nft_set_elem *elem) static void nft_hash_walk(const struct nft_ctx *ctx, const struct nft_set *set, struct nft_set_iter *iter) { - struct rhashtable *priv = nft_set_priv(set); + struct nft_hash *priv = nft_set_priv(set); const struct nft_hash_elem *he; struct rhashtable_iter hti; struct nft_set_elem elem; int err; - err = rhashtable_walk_init(priv, &hti); + err = rhashtable_walk_init(&priv->ht, &hti); iter->err = err; if (err) return; @@ -165,7 +169,7 @@ out: static unsigned int nft_hash_privsize(const struct nlattr * const nla[]) { - return sizeof(struct rhashtable); + return sizeof(struct nft_hash); } static const struct rhashtable_params nft_hash_params = { @@ -179,13 +183,13 @@ static int nft_hash_init(const struct nft_set *set, const struct nft_set_desc *desc, const struct nlattr * const tb[]) { - struct rhashtable *priv = nft_set_priv(set); + struct nft_hash *priv = nft_set_priv(set); struct rhashtable_params params = nft_hash_params; params.nelem_hint = desc->size ?: NFT_HASH_ELEMENT_HINT; params.key_len = set->klen; - return rhashtable_init(priv, ¶ms); + return rhashtable_init(&priv->ht, ¶ms); } static void nft_free_element(void *ptr, void *arg) @@ -195,8 +199,9 @@ static void nft_free_element(void *ptr, void *arg) static void nft_hash_destroy(const struct nft_set *set) { - rhashtable_free_and_destroy(nft_set_priv(set), nft_free_element, - (void *)set); + struct nft_hash *priv = nft_set_priv(set); + + rhashtable_free_and_destroy(&priv->ht, nft_free_element, (void *)set); } static bool nft_hash_estimate(const struct nft_set_desc *desc, u32 features, @@ -209,7 +214,7 @@ static bool nft_hash_estimate(const struct nft_set_desc *desc, u32 features, esize += FIELD_SIZEOF(struct nft_hash_elem, data[0]); if (desc->size) { - est->size = sizeof(struct rhashtable) + + est->size = sizeof(struct nft_hash) + roundup_pow_of_two(desc->size * 4 / 3) * sizeof(struct nft_hash_elem *) + desc->size * esize; |