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authorPatrick McHardy <kaber@trash.net>2015-03-25 14:08:48 +0000
committerPablo Neira Ayuso <pablo@netfilter.org>2015-03-26 11:09:34 +0100
commitb2832dd6621bf73eb8ad38389a94bd83a5983886 (patch)
treea60547029ce1982087446a925e811b51e71c1549 /net/netfilter
parent61edafbb47e9f46fb850035b1f8f062564445704 (diff)
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netfilter: nf_tables: return set extensions from ->lookup()
Return the extension area from the ->lookup() function to allow to consolidate common actions. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nft_hash.c6
-rw-r--r--net/netfilter/nft_lookup.c6
-rw-r--r--net/netfilter/nft_rbtree.c7
3 files changed, 11 insertions, 8 deletions
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c
index 94bf25def37f..5bee82195ef5 100644
--- a/net/netfilter/nft_hash.c
+++ b/net/netfilter/nft_hash.c
@@ -66,7 +66,7 @@ static inline int nft_hash_cmp(struct rhashtable_compare_arg *arg,
static bool nft_hash_lookup(const struct nft_set *set,
const struct nft_data *key,
- struct nft_data *data)
+ const struct nft_set_ext **ext)
{
struct nft_hash *priv = nft_set_priv(set);
const struct nft_hash_elem *he;
@@ -76,8 +76,8 @@ static bool nft_hash_lookup(const struct nft_set *set,
};
he = rhashtable_lookup_fast(&priv->ht, &arg, nft_hash_params);
- if (he && set->flags & NFT_SET_MAP)
- nft_data_copy(data, nft_set_ext_data(&he->ext));
+ if (he != NULL)
+ *ext = &he->ext;
return !!he;
}
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index 9615b8b9fb37..a5f30b8760ea 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -31,9 +31,13 @@ static void nft_lookup_eval(const struct nft_expr *expr,
{
const struct nft_lookup *priv = nft_expr_priv(expr);
const struct nft_set *set = priv->set;
+ const struct nft_set_ext *ext;
- if (set->ops->lookup(set, &data[priv->sreg], &data[priv->dreg]))
+ if (set->ops->lookup(set, &data[priv->sreg], &ext)) {
+ if (set->flags & NFT_SET_MAP)
+ nft_data_copy(&data[priv->dreg], nft_set_ext_data(ext));
return;
+ }
data[NFT_REG_VERDICT].verdict = NFT_BREAK;
}
diff --git a/net/netfilter/nft_rbtree.c b/net/netfilter/nft_rbtree.c
index 332c6afc77e9..cbba755ebebc 100644
--- a/net/netfilter/nft_rbtree.c
+++ b/net/netfilter/nft_rbtree.c
@@ -31,7 +31,7 @@ struct nft_rbtree_elem {
static bool nft_rbtree_lookup(const struct nft_set *set,
const struct nft_data *key,
- struct nft_data *data)
+ const struct nft_set_ext **ext)
{
const struct nft_rbtree *priv = nft_set_priv(set);
const struct nft_rbtree_elem *rbe, *interval = NULL;
@@ -55,10 +55,9 @@ found:
*nft_set_ext_flags(&rbe->ext) &
NFT_SET_ELEM_INTERVAL_END)
goto out;
- if (set->flags & NFT_SET_MAP)
- nft_data_copy(data, nft_set_ext_data(&rbe->ext));
-
spin_unlock_bh(&nft_rbtree_lock);
+
+ *ext = &rbe->ext;
return true;
}
}