+ NLP_STE_UNUSED_NODE);
+}
+
+static void
+lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
+{
+ if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0)
+ lpfc_cancel_retry_delay_tmo(vport, ndlp);
+ if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
+ lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
+ lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
+ NLP_STE_UNUSED_NODE);
+}
+
+struct lpfc_nodelist *
+lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ int state)
+{
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t did;
+ unsigned long flags;
+
+ if (!ndlp)
+ return NULL;
+
+ spin_lock_irqsave(&phba->ndlp_lock, flags);
+ /* The ndlp should not be in memory free mode */
+ if (NLP_CHK_FREE_REQ(ndlp)) {
+ spin_unlock_irqrestore(&phba->ndlp_lock, flags);
+ lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
+ "0277 lpfc_enable_node: ndlp:x%p "
+ "usgmap:x%x refcnt:%d\n",
+ (void *)ndlp, ndlp->nlp_usg_map,
+ atomic_read(&ndlp->kref.refcount));
+ return NULL;
+ }
+ /* The ndlp should not already be in active mode */
+ if (NLP_CHK_NODE_ACT(ndlp)) {
+ spin_unlock_irqrestore(&phba->ndlp_lock, flags);
+ lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
+ "0278 lpfc_enable_node: ndlp:x%p "
+ "usgmap:x%x refcnt:%d\n",
+ (void *)ndlp, ndlp->nlp_usg_map,
+ atomic_read(&ndlp->kref.refcount));
+ return NULL;
+ }
+
+ /* Keep the original DID */
+ did = ndlp->nlp_DID;
+
+ /* re-initialize ndlp except of ndlp linked list pointer */
+ memset((((char *)ndlp) + sizeof (struct list_head)), 0,
+ sizeof (struct lpfc_nodelist) - sizeof (struct list_head));
+ INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
+ INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp);
+ init_timer(&ndlp->nlp_delayfunc);
+ ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
+ ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
+ ndlp->nlp_DID = did;
+ ndlp->vport = vport;
+ ndlp->nlp_sid = NLP_NO_SID;
+ /* ndlp management re-initialize */
+ kref_init(&ndlp->kref);
+ NLP_INT_NODE_ACT(ndlp);
+
+ spin_unlock_irqrestore(&phba->ndlp_lock, flags);
+
+ if (state != NLP_STE_UNUSED_NODE)
+ lpfc_nlp_set_state(vport, ndlp, state);
+
+ lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
+ "node enable: did:x%x",
+ ndlp->nlp_DID, 0, 0);
+ return ndlp;