dpdk: enable on ICL
Enable DPDK Vector PMDs on Intel Icelake
Type: improvement
#include <vlib/vmbus/vmbus.h>
#include <rte_ring.h>
+#include <rte_vect.h>
#include <stdio.h>
#include <stdlib.h>
@@ -1678,6 +1679,10 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
ret = rte_eal_init (vec_len (conf->eal_init_args),
(char **) conf->eal_init_args);
+ /* enable the AVX-512 vPMDs in DPDK */
+ if (clib_cpu_supports_avx512_bitalg ())
+ rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
+
/* lazy umount hugepages */
umount2 ((char *) huge_dir_path, MNT_DETACH);
rmdir ((char *) huge_dir_path);
