event/dlb: add xstats

Add support for DLB xstats.  Perform initialization and add
standard xstats entry points

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
Reviewed-by: Gage Eads <gage.eads@intel.com>

drivers/event/dlb/dlb.c

@@ -71,6 +71,17 @@ static struct rte_event_dev_info evdev_dlb_default_info = {
 struct process_local_port_data
 dlb_port[DLB_MAX_NUM_PORTS][NUM_DLB_PORT_TYPES];
 
+uint32_t
+dlb_get_queue_depth(struct dlb_eventdev *dlb,
+		    struct dlb_eventdev_queue *queue)
+{
+	/* DUMMY FOR NOW So "xstats" patch compiles */
+	RTE_SET_USED(dlb);
+	RTE_SET_USED(queue);
+
+	return 0;
+}
+
 static int
 dlb_hw_query_resources(struct dlb_eventdev *dlb)
 {
@@ -298,6 +309,11 @@ void
 dlb_entry_points_init(struct rte_eventdev *dev)
 {
 	static struct rte_eventdev_ops dlb_eventdev_entry_ops = {
+		.dump             = dlb_eventdev_dump,
+		.xstats_get       = dlb_eventdev_xstats_get,
+		.xstats_get_names = dlb_eventdev_xstats_get_names,
+		.xstats_get_by_name = dlb_eventdev_xstats_get_by_name,
+		.xstats_reset	    = dlb_eventdev_xstats_reset,
 	};
 
 	/* Expose PMD's eventdev interface */
@@ -352,6 +368,13 @@ dlb_primary_eventdev_probe(struct rte_eventdev *dev,
 		return err;
 	}
 
+	/* Complete xtstats runtime initialization */
+	err = dlb_xstats_init(dlb);
+	if (err) {
+		DLB_LOG_ERR("dlb: failed to init xstats, err=%d\n", err);
+		return err;
+	}
+
 	rte_spinlock_init(&dlb->qm_instance.resource_lock);
 
 	dlb_iface_low_level_io_init(dlb);

drivers/event/dlb/meson.build

@@ -9,6 +9,7 @@ endif
 
 sources = files('dlb.c',
 		'dlb_iface.c',
+		'dlb_xstats.c',
 		'pf/dlb_main.c',
 		'pf/dlb_pf.c',
 		'pf/base/dlb_resource.c'