1 files changed, 94 insertions, 40 deletions

diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 3d77bd999b70..27d60ad897cd 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -465,14 +465,18 @@ lpfc_rcv_padisc(struct lpfc_hba * phba,
 static int
 lpfc_rcv_logo(struct lpfc_hba * phba,
                       struct lpfc_nodelist * ndlp,
-                      struct lpfc_iocbq *cmdiocb)
+                      struct lpfc_iocbq *cmdiocb,
+                      uint32_t els_cmd)
 {
         /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */
         /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
          * PLOGIs during LOGO storms from a device.
          */
         ndlp->nlp_flag |= NLP_LOGO_ACC;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        if (els_cmd == ELS_CMD_PRLO)
+                lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
+        else
+                lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
 
         if (!(ndlp->nlp_type & NLP_FABRIC) ||
                 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
@@ -681,7 +685,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba,
         /* software abort outstanding PLOGI */
         lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -788,10 +792,6 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
         if (lpfc_reg_login
             (phba, irsp->un.elsreq64.remoteID,
              (uint8_t *) sp, mbox, 0) == 0) {
-                /* set_slim mailbox command needs to
-                 * execute first, queue this command to
-                 * be processed later.
-                 */
                 switch (ndlp->nlp_DID) {
                 case NameServer_DID:
                         mbox->mbox_cmpl =
@@ -832,11 +832,17 @@ static uint32_t
 lpfc_device_rm_plogi_issue(struct lpfc_hba * phba,
                            struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-        /* software abort outstanding PLOGI */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding PLOGI */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -851,7 +857,7 @@ lpfc_device_recov_plogi_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
 
         return ndlp->nlp_state;
@@ -905,7 +911,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba,
         /* software abort outstanding ADISC */
         lpfc_els_abort(phba, ndlp, 0);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -932,7 +938,7 @@ lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba,
         cmdiocb = (struct lpfc_iocbq *) arg;
 
         /* Treat like rcv logo */
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
         return ndlp->nlp_state;
 }
 
@@ -987,11 +993,17 @@ lpfc_device_rm_adisc_issue(struct lpfc_hba * phba,
                             struct lpfc_nodelist * ndlp, void *arg,
                             uint32_t evt)
 {
-        /* software abort outstanding ADISC */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding ADISC */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -1006,7 +1018,7 @@ lpfc_device_recov_adisc_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         ndlp->nlp_flag |= NLP_NPR_ADISC;
         spin_unlock_irq(phba->host->host_lock);
 
@@ -1048,7 +1060,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1073,7 +1085,7 @@ lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba,
         struct lpfc_iocbq *cmdiocb;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1133,8 +1145,14 @@ lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba,
                               struct lpfc_nodelist * ndlp, void *arg,
                               uint32_t evt)
 {
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -1146,7 +1164,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         return ndlp->nlp_state;
 }
@@ -1186,7 +1204,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba,
         /* Software abort outstanding PRLI before sending acc */
         lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1214,7 +1232,7 @@ lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba,
         struct lpfc_iocbq *cmdiocb;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1278,11 +1296,17 @@ static uint32_t
 lpfc_device_rm_prli_issue(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-        /* software abort outstanding PRLI */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding PLOGI */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 
@@ -1313,7 +1337,7 @@ lpfc_device_recov_prli_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         return ndlp->nlp_state;
 }
@@ -1351,7 +1375,7 @@ lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1375,7 +1399,7 @@ lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1386,7 +1410,7 @@ lpfc_device_recov_unmap_node(struct lpfc_hba * phba,
         ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE;
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         lpfc_disc_set_adisc(phba, ndlp);
 
         return ndlp->nlp_state;
@@ -1424,7 +1448,7 @@ lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1456,7 +1480,7 @@ lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba,
         spin_unlock_irq(phba->host->host_lock);
 
         /* Treat like rcv logo */
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
         return ndlp->nlp_state;
 }
 
@@ -1469,7 +1493,7 @@ lpfc_device_recov_mapped_node(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         lpfc_disc_set_adisc(phba, ndlp);
         return ndlp->nlp_state;
@@ -1551,7 +1575,7 @@ lpfc_rcv_logo_npr_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1617,9 +1641,16 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1628,9 +1659,16 @@ lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1649,9 +1687,16 @@ lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba,
                             uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1668,7 +1713,12 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba,
 
         if (!mb->mbxStatus)
                 ndlp->nlp_rpi = mb->un.varWords[0];
-
+        else {
+                if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {
+                        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                        return NLP_STE_FREED_NODE;
+                }
+        }
         return ndlp->nlp_state;
 }
 
@@ -1677,6 +1727,10 @@ lpfc_device_rm_npr_node(struct lpfc_hba * phba,
                             struct lpfc_nodelist * ndlp, void *arg,
                             uint32_t evt)
 {
+        if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
         lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
         return NLP_STE_FREED_NODE;
 }
@@ -1687,7 +1741,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba,
                             uint32_t evt)
 {
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         if (ndlp->nlp_flag & NLP_DELAY_TMO) {
                 lpfc_cancel_retry_delay_tmo(phba, ndlp);