scsi: lpfc: Transition to NPR state upon LOGO cmpl if link down or aborted

In P2P topology, a target controller reboot sometimes results in not
reestablishing a login because the ndlp is stuck in LOGO state.

Fix by transitioning to NPR state if we get link down before LOGO
completes.

Link: https://lore.kernel.org/r/20220412222008.126521-12-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 8155c63..50ecf9b 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3007,7 +3007,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
                                 ndlp->nlp_DID, ulp_status,
                                 ulp_word4);
 
+               /* Call NLP_EVT_DEVICE_RM if link is down or LOGO is aborted */
                if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
+                       lpfc_disc_state_machine(vport, ndlp, cmdiocb,
+                                               NLP_EVT_DEVICE_RM);
                        skip_recovery = 1;
                        goto out;
                }