[SCSI] lpfc 8.2.3 : NPIV bug fixes

NPIV bug fixes:
- Remove vport params on physical hba when npiv is disabled
- Implement new DA_ID CT command to remove vport information from
  the switch after delete. Some switches didn't clean this up unless
  the physical link dropped.

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

1 files changed, 17 insertions, 4 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 17f445478beb..86c2f2b15b68 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2294,12 +2294,24 @@ lpfc_init(void)
         printk(LPFC_MODULE_DESC "\n");
         printk(LPFC_COPYRIGHT "\n");
 
+        if (lpfc_enable_npiv) {
+                lpfc_transport_functions.vport_create = lpfc_vport_create;
+                lpfc_transport_functions.vport_delete = lpfc_vport_delete;
+        }
         lpfc_transport_template =
                                 fc_attach_transport(&lpfc_transport_functions);
-        lpfc_vport_transport_template =
-                        fc_attach_transport(&lpfc_vport_transport_functions);
-        if (!lpfc_transport_template || !lpfc_vport_transport_template)
+        if (lpfc_transport_template == NULL)
                 return -ENOMEM;
+        if (lpfc_enable_npiv) {
+                lpfc_transport_functions.vport_create = NULL;
+                lpfc_transport_functions.vport_delete = NULL;
+                lpfc_transport_functions.issue_fc_host_lip = NULL;
+                lpfc_transport_functions.vport_disable = lpfc_vport_disable;
+                lpfc_vport_transport_template =
+                                fc_attach_transport(&lpfc_transport_functions);
+                if (lpfc_vport_transport_template == NULL)
+                        return -ENOMEM;
+        }
         error = pci_register_driver(&lpfc_driver);
         if (error) {
                 fc_release_transport(lpfc_transport_template);
@@ -2314,7 +2326,8 @@ lpfc_exit(void)
 {
         pci_unregister_driver(&lpfc_driver);
         fc_release_transport(lpfc_transport_template);
-        fc_release_transport(lpfc_vport_transport_template);
+        if (lpfc_enable_npiv)
+                fc_release_transport(lpfc_vport_transport_template);
 }
 
 module_init(lpfc_init);