netfilter: nf_tables: convert sets to u32 data pointers

Simple conversion to use u32 pointers to the beginning of the data
area to keep follow up patches smaller.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

3 files changed, 8 insertions, 10 deletions

diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index fca0b5def629..efcf46ddd1d5 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -231,10 +231,10 @@ struct nft_expr;
  */
 struct nft_set_ops {
         bool                            (*lookup)(const struct nft_set *set,
-                                                  const struct nft_data *key,
+                                                  const u32 *key,
                                                   const struct nft_set_ext **ext);
         bool                            (*update)(struct nft_set *set,
-                                                  const struct nft_data *key,
+                                                  const u32 *key,
                                                   void *(*new)(struct nft_set *,
                                                                const struct nft_expr *,
                                                                struct nft_regs *),
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c
index 26ba4e192121..767df41d28ea 100644
--- a/net/netfilter/nft_hash.c
+++ b/net/netfilter/nft_hash.c
@@ -36,7 +36,7 @@ struct nft_hash_elem {
 
 struct nft_hash_cmp_arg {
         const struct nft_set            *set;
-        const struct nft_data           *key;
+        const u32                       *key;
         u8                              genmask;
 };
 
@@ -71,8 +71,7 @@ static inline int nft_hash_cmp(struct rhashtable_compare_arg *arg,
         return 0;
 }
 
-static bool nft_hash_lookup(const struct nft_set *set,
-                            const struct nft_data *key,
+static bool nft_hash_lookup(const struct nft_set *set, const u32 *key,
                             const struct nft_set_ext **ext)
 {
         struct nft_hash *priv = nft_set_priv(set);
@@ -90,7 +89,7 @@ static bool nft_hash_lookup(const struct nft_set *set,
         return !!he;
 }
 
-static bool nft_hash_update(struct nft_set *set, const struct nft_data *key,
+static bool nft_hash_update(struct nft_set *set, const u32 *key,
                             void *(*new)(struct nft_set *,
                                          const struct nft_expr *,
                                          struct nft_regs *regs),
@@ -134,7 +133,7 @@ static int nft_hash_insert(const struct nft_set *set,
         struct nft_hash_cmp_arg arg = {
                 .genmask = nft_genmask_next(read_pnet(&set->pnet)),
                 .set     = set,
-                .key     = &elem->key,
+                .key     = elem->key.data,
         };
 
         return rhashtable_lookup_insert_key(&priv->ht, &arg, &he->node,
@@ -158,7 +157,7 @@ static void *nft_hash_deactivate(const struct nft_set *set,
         struct nft_hash_cmp_arg arg = {
                 .genmask = nft_genmask_next(read_pnet(&set->pnet)),
                 .set     = set,
-                .key     = &elem->key,
+                .key     = elem->key.data,
         };
 
         rcu_read_lock();
diff --git a/net/netfilter/nft_rbtree.c b/net/netfilter/nft_rbtree.c
index b398f1a856d5..b888e0cdf1e2 100644
--- a/net/netfilter/nft_rbtree.c
+++ b/net/netfilter/nft_rbtree.c
@@ -30,8 +30,7 @@ struct nft_rbtree_elem {
 };
 
 
-static bool nft_rbtree_lookup(const struct nft_set *set,
-                              const struct nft_data *key,
+static bool nft_rbtree_lookup(const struct nft_set *set, const u32 *key,
                               const struct nft_set_ext **ext)
 {
         const struct nft_rbtree *priv = nft_set_priv(set);