distributor: check max SIMD bitwidth

When choosing a vector path to take, an extra condition must be
satisfied to ensure the max SIMD bitwidth allows for the CPU enabled
path.

Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: David Hunt <david.hunt@intel.com>

diff --git a/lib/librte_distributor/rte_distributor.c b/lib/librte_distributor/rte_distributor.c
index ef34fac..07e385a 100644 (file)
--- a/lib/librte_distributor/rte_distributor.c
+++ b/lib/librte_distributor/rte_distributor.c
@@ -14,6 +14,7 @@
 #include <rte_eal_memconfig.h>
 #include <rte_pause.h>
 #include <rte_tailq.h>
+#include <rte_vect.h>
 
 #include "rte_distributor.h"
 #include "rte_distributor_single.h"
@@ -762,7 +763,8 @@ rte_distributor_create(const char *name,
 
        d->dist_match_fn = RTE_DIST_MATCH_SCALAR;
 #if defined(RTE_ARCH_X86)
-       d->dist_match_fn = RTE_DIST_MATCH_VECTOR;
+       if (rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128)
+               d->dist_match_fn = RTE_DIST_MATCH_VECTOR;
 #endif
 
        /*