Testing with target ports coming and going, the driver eventually reached
a state where it no longer discovered the target. When the driver has
issued a PRLI and receives a PRLI from the target, it is not proper
updating the node's initiator/target role flags. Thus, when a subsequent
RSCN is received for a target loss, the driver mis-identifies the target
as an initiator and does not initiate lun scanning.
Fix by always refreshing the ndlp with the latest PRLI state information
whenever a PRLI is processed. Also clear the ndlp flags when processing
a PLOGI so that there is no carry over through a re-login.
Co-developed-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>
Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>
Signed-off-by: James Smart <jsmart2021@xxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_nportdisc.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 1ac855640fc5..4961a8a55844 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -471,6 +471,15 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
*/
if (!(ndlp->nlp_type & NLP_FABRIC) &&
!(phba->nvmet_support)) {
+ /* Clear ndlp info, since follow up PRLI may have
+ * updated ndlp information
+ */
+ ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
+ ndlp->nlp_type &= ~(NLP_NVME_TARGET | NLP_NVME_INITIATOR);
+ ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+ ndlp->nlp_nvme_info &= ~NLP_NVME_NSLER;
+ ndlp->nlp_flag &= ~NLP_FIRSTBURST;
+
lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb,
ndlp, NULL);
return 1;
@@ -499,6 +508,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
ndlp->nlp_type &= ~(NLP_NVME_TARGET | NLP_NVME_INITIATOR);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+ ndlp->nlp_nvme_info &= ~NLP_NVME_NSLER;
ndlp->nlp_flag &= ~NLP_FIRSTBURST;
login_mbox = NULL;
@@ -2107,6 +2117,7 @@ lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb))
return ndlp->nlp_state;
+ lpfc_rcv_prli(vport, ndlp, cmdiocb);
lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
return ndlp->nlp_state;
}
--
2.26.2
