diff --git a/doc/guides/eventdevs/dlb2.rst b/doc/guides/eventdevs/dlb2.rst
index c60c454d6..acdb00587 100644
--- a/doc/guides/eventdevs/dlb2.rst
+++ b/doc/guides/eventdevs/dlb2.rst
@@ -367,3 +367,16 @@ Class of service can be specified in the devargs, as follows
     .. code-block:: console
 
        --vdev=dlb2_event,cos=<0..4>
+
+Use X86 Vector Instructions
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+DLB supports using x86 vector instructions to optimize the data path.
+
+The default mode of operation is to use scalar instructions, but
+the use of vector instructions can be enabled in the devargs, as
+follows
+
+    .. code-block:: console
+
+      --allow ea:00.0,vector_opts_enabled=<y/Y>
diff --git a/drivers/event/dlb2/dlb2.c b/drivers/event/dlb2/dlb2.c
index 588c41ee7..0022f65fc 100644
--- a/drivers/event/dlb2/dlb2.c
+++ b/drivers/event/dlb2/dlb2.c
@@ -376,11 +376,11 @@ set_default_depth_thresh(const char *key __rte_unused,
 }
 
 static int
-set_vector_opts_disab(const char *key __rte_unused,
+set_vector_opts_enab(const char *key __rte_unused,
 	const char *value,
 	void *opaque)
 {
-	bool *dlb2_vector_opts_disabled = opaque;
+	bool *dlb2_vector_opts_enabled = opaque;
 
 	if (value == NULL || opaque == NULL) {
 		DLB2_LOG_ERR("NULL pointer\n");
@@ -388,9 +388,9 @@ set_vector_opts_disab(const char *key __rte_unused,
 	}
 
 	if ((*value == 'y') || (*value == 'Y'))
-		*dlb2_vector_opts_disabled = true;
+		*dlb2_vector_opts_enabled = true;
 	else
-		*dlb2_vector_opts_disabled = false;
+		*dlb2_vector_opts_enabled = false;
 
 	return 0;
 }
@@ -1469,7 +1469,7 @@ dlb2_hw_create_ldb_port(struct dlb2_eventdev *dlb2,
 #else
 	if ((qm_port->cq_depth > 64) ||
 	    (!rte_is_power_of_2(qm_port->cq_depth)) ||
-	    (dlb2->vector_opts_disabled == true))
+	    (dlb2->vector_opts_enabled == false))
 		qm_port->use_scalar = true;
 #endif
 
@@ -1665,7 +1665,7 @@ dlb2_hw_create_dir_port(struct dlb2_eventdev *dlb2,
 #else
 	if ((qm_port->cq_depth > 64) ||
 	    (!rte_is_power_of_2(qm_port->cq_depth)) ||
-	    (dlb2->vector_opts_disabled == true))
+	    (dlb2->vector_opts_enabled == false))
 		qm_port->use_scalar = true;
 #endif
 
@@ -4434,7 +4434,7 @@ dlb2_primary_eventdev_probe(struct rte_eventdev *dev,
 	dlb2->poll_interval = dlb2_args->poll_interval;
 	dlb2->sw_credit_quanta = dlb2_args->sw_credit_quanta;
 	dlb2->default_depth_thresh = dlb2_args->default_depth_thresh;
-	dlb2->vector_opts_disabled = dlb2_args->vector_opts_disabled;
+	dlb2->vector_opts_enabled = dlb2_args->vector_opts_enabled;
 
 	err = dlb2_iface_open(&dlb2->qm_instance, name);
 	if (err < 0) {
@@ -4538,7 +4538,7 @@ dlb2_parse_params(const char *params,
 					     DLB2_POLL_INTERVAL_ARG,
 					     DLB2_SW_CREDIT_QUANTA_ARG,
 					     DLB2_DEPTH_THRESH_ARG,
-					     DLB2_VECTOR_OPTS_DISAB_ARG,
+					     DLB2_VECTOR_OPTS_ENAB_ARG,
 					     NULL };
 
 	if (params != NULL && params[0] != '\0') {
@@ -4653,11 +4653,11 @@ dlb2_parse_params(const char *params,
 			}
 
 			ret = rte_kvargs_process(kvlist,
-					DLB2_VECTOR_OPTS_DISAB_ARG,
-					set_vector_opts_disab,
-					&dlb2_args->vector_opts_disabled);
+					DLB2_VECTOR_OPTS_ENAB_ARG,
+					set_vector_opts_enab,
+					&dlb2_args->vector_opts_enabled);
 			if (ret != 0) {
-				DLB2_LOG_ERR("%s: Error parsing vector opts disabled",
+				DLB2_LOG_ERR("%s: Error parsing vector opts enabled",
 					     name);
 				rte_kvargs_free(kvlist);
 				return ret;
diff --git a/drivers/event/dlb2/dlb2_priv.h b/drivers/event/dlb2/dlb2_priv.h
index b1225af37..bb87072da 100644
--- a/drivers/event/dlb2/dlb2_priv.h
+++ b/drivers/event/dlb2/dlb2_priv.h
@@ -37,7 +37,7 @@
 #define DLB2_POLL_INTERVAL_ARG "poll_interval"
 #define DLB2_SW_CREDIT_QUANTA_ARG "sw_credit_quanta"
 #define DLB2_DEPTH_THRESH_ARG "default_depth_thresh"
-#define DLB2_VECTOR_OPTS_DISAB_ARG "vector_opts_disable"
+#define DLB2_VECTOR_OPTS_ENAB_ARG "vector_opts_enable"
 
 /* Begin HW related defines and structs */
 
@@ -565,7 +565,7 @@ struct dlb2_eventdev {
 	uint32_t new_event_limit;
 	int max_num_events_override;
 	int num_dir_credits_override;
-	bool vector_opts_disabled;
+	bool vector_opts_enabled;
 	volatile enum dlb2_run_state run_state;
 	uint16_t num_dir_queues; /* total num of evdev dir queues requested */
 	union {
@@ -623,7 +623,7 @@ struct dlb2_devargs {
 	int poll_interval;
 	int sw_credit_quanta;
 	int default_depth_thresh;
-	bool vector_opts_disabled;
+	bool vector_opts_enabled;
 };
 
 /* End Eventdev related defines and structs */
