bnx2fc: Read npiv table from nvram and create vports.

Orabug: 22013781

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com>

diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 98d06d15195806cd915a7ccf23f19447e27854d3..231d05646210f290647408cde998745adac07f15 100644 (file)
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2051,9 +2051,50 @@ static int bnx2fc_disable(struct net_device *netdev)
        return rc;
 }
 
+static uint bnx2fc_npiv_create_vports(
+    struct fc_lport *lport, struct cnic_fc_npiv_tbl *npiv_tbl)
+{
+       struct fc_vport_identifiers vpid;
+       uint i, created = 0;
+
+       if (npiv_tbl->count > MAX_NPIV_ENTRIES) {
+               BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n");
+               goto done;
+       }
+
+       /* Sanity check the first entry to make sure it's not 0 */
+       if (wwn_to_u64(npiv_tbl->wwnn[0]) == 0 &&
+           wwn_to_u64(npiv_tbl->wwpn[0]) == 0) {
+               BNX2FC_HBA_DBG(lport, "First NPIV table entries invalid.\n");
+               goto done;
+       }
+
+       vpid.roles = FC_PORT_ROLE_FCP_INITIATOR;
+       vpid.vport_type = FC_PORTTYPE_NPIV;
+       vpid.disable = false;
+
+       for (i = 0; i < npiv_tbl->count; i++) {
+               vpid.node_name = wwn_to_u64(npiv_tbl->wwnn[i]);
+               vpid.port_name = wwn_to_u64(npiv_tbl->wwpn[i]);
+               scnprintf(vpid.symbolic_name, sizeof(vpid.symbolic_name),
+                   "NPIV[%u]:%016llx-%016llx",
+                   created, vpid.port_name, vpid.node_name);
+               if (fc_vport_create(lport->host, 0, &vpid)) {
+                       created++;
+               } else {
+                       BNX2FC_HBA_DBG(lport, "Failed to create vport\n");
+               }
+       }
+done:
+       return created;
+}
+
 static int __bnx2fc_enable(struct fcoe_ctlr *ctlr)
 {
        struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
+       struct bnx2fc_hba *hba;
+       struct cnic_fc_npiv_tbl npiv_tbl;
+       struct fc_lport *lport;
 
        if (interface->enabled == false) {
                if (!ctlr->lp) {
@@ -2064,6 +2105,29 @@ static int __bnx2fc_enable(struct fcoe_ctlr *ctlr)
                        interface->enabled = true;
                }
        }
+
+       /* Create static NPIV ports if any are contained in NVRAM */
+       hba = interface->hba;
+       lport = ctlr->lp;
+
+       if (!hba)
+               goto done;
+
+       if (!hba->cnic)
+               goto done;
+
+       if (!lport)
+               goto done;
+
+       if (!lport->host)
+               goto done;
+
+       memset(&npiv_tbl, 0, sizeof(npiv_tbl));
+       if (hba->cnic->get_fc_npiv_tbl(hba->cnic, &npiv_tbl))
+               goto done;
+
+       bnx2fc_npiv_create_vports(lport, &npiv_tbl);
+done:
        return 0;
 }