acl: deduplicate a bit of RT code

[dpdk.git] / lib / librte_acl / rte_acl.c

diff --git a/lib/librte_acl/rte_acl.c b/lib/librte_acl/rte_acl.c
index 547e6da..a16c4a4 100644 (file)
--- a/lib/librte_acl/rte_acl.c
+++ b/lib/librte_acl/rte_acl.c
@@ -75,21 +75,26 @@ rte_acl_init(void)
        rte_acl_set_default_classify(alg);
 }
 
-int
-rte_acl_classify(const struct rte_acl_ctx *ctx, const uint8_t **data,
-       uint32_t *results, uint32_t num, uint32_t categories)
-{
-       return classify_fns[ctx->alg](ctx, data, results, num, categories);
-}
-
 int
 rte_acl_classify_alg(const struct rte_acl_ctx *ctx, const uint8_t **data,
        uint32_t *results, uint32_t num, uint32_t categories,
        enum rte_acl_classify_alg alg)
 {
+       if (categories != 1 &&
+                       ((RTE_ACL_RESULTS_MULTIPLIER - 1) & categories) != 0)
+               return -EINVAL;
+
        return classify_fns[alg](ctx, data, results, num, categories);
 }
 
+int
+rte_acl_classify(const struct rte_acl_ctx *ctx, const uint8_t **data,
+       uint32_t *results, uint32_t num, uint32_t categories)
+{
+       return rte_acl_classify_alg(ctx, data, results, num, categories,
+               ctx->alg);
+}
+
 struct rte_acl_ctx *
 rte_acl_find_existing(const char *name)
 {