[SCSI] lpfc 8.1.5 : Fixed FC protocol violation in handling of PRLO.

Fixed FC protocol violation in handling of PRLO.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 45abc76ff898..e3d8b7f47f12 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1913,6 +1913,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
         uint8_t *pcmd;
         uint16_t cmdsize;
         int rc;
+        ELS_PKT *els_pkt_ptr;
 
         psli = &phba->sli;
         pring = &psli->ring[LPFC_ELS_RING];     /* ELS ring */
@@ -1951,6 +1952,23 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
                 pcmd += sizeof (uint32_t);
                 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
                 break;
+        case ELS_CMD_PRLO:
+                cmdsize = sizeof (uint32_t) + sizeof (PRLO);
+                elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
+                                             ndlp, ndlp->nlp_DID, ELS_CMD_PRLO);
+                if (!elsiocb)
+                        return 1;
+
+                icmd = &elsiocb->iocb;
+                icmd->ulpContext = oldcmd->ulpContext; /* Xri */
+                pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+
+                memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt,
+                       sizeof (uint32_t) + sizeof (PRLO));
+                *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC;
+                els_pkt_ptr = (ELS_PKT *) pcmd;
+                els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED;
+                break;
         default:
                 return 1;
         }