ionic: check for queue deadline in doorbell_napi_work

Check the deadline against the last time run and only
schedule a new napi if we haven't been run recently.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240619003257.6138-7-shannon.nelson@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/pensando/ionic/ionic_dev.c

@@ -58,7 +58,14 @@ void ionic_doorbell_napi_work(struct work_struct *work)
 {
 	struct ionic_qcq *qcq = container_of(work, struct ionic_qcq,
 					     doorbell_napi_work);
-	ionic_napi_schedule_do_softirq(&qcq->napi);
+	unsigned long now, then, dif;
+
+	now = READ_ONCE(jiffies);
+	then = qcq->q.dbell_jiffies;
+	dif = now - then;
+
+	if (dif > qcq->q.dbell_deadline)
+		ionic_napi_schedule_do_softirq(&qcq->napi);
 }
 
 static int ionic_get_preferred_cpu(struct ionic *ionic,