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| author |   James Smart <jsmart2021@gmail.com> | 2019-08-14 16:56:32 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-08-19 22:41:08 -0400 |
| commit | 4f1a2fef2af6b8c746bc965e5f87cd3cdaf5f1f8 (patch) | |
| tree | 9dab99bd35c08c0b1b3baac459ce701f45983f01 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | scsi: lpfc: Limit xri count for kdump environment (diff) | |
| download | linux-dev-4f1a2fef2af6b8c746bc965e5f87cd3cdaf5f1f8.tar.xz linux-dev-4f1a2fef2af6b8c746bc965e5f87cd3cdaf5f1f8.zip | |
scsi: lpfc: Fix PLOGI failure with high remoteport count
When connected to a high number of remote ports, the driver is encountering
PLOGI errors. The errors are due to adapter detected failures indicating
illegal field values.
Turns out the driver was prematurely clearing an RPI bitmask before waiting
for an UNREG_RPI mailbox completion. This allowed the RPI to be reused
before it was actually available.
Fix by clearing RPI bitmask only after UNREG_RPI mailbox completion.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 156224c14cc7..bb41affdb1ba 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -2507,6 +2507,11 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) ndlp->nlp_defer_did = NLP_EVT_NOTHING_PENDING; lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); } else { + if (ndlp->nlp_flag & NLP_RELEASE_RPI) { + lpfc_sli4_free_rpi(vport->phba, + ndlp->nlp_rpi); + ndlp->nlp_flag &= ~NLP_RELEASE_RPI; + } ndlp->nlp_flag &= ~NLP_UNREG_INP; } pmb->ctx_ndlp = NULL; @@ -2582,6 +2587,13 @@ lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_issue_els_plogi( vport, ndlp->nlp_DID, 0); } else { + if (ndlp->nlp_flag & NLP_RELEASE_RPI) { + lpfc_sli4_free_rpi( + vport->phba, + ndlp->nlp_rpi); + ndlp->nlp_flag &= + ~NLP_RELEASE_RPI; + } ndlp->nlp_flag &= ~NLP_UNREG_INP; } } |