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Diffstat (limited to 'drivers/scsi/qedf/qedf_main.c')
-rw-r--r--drivers/scsi/qedf/qedf_main.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 7786c97e033f..e17e5a7fc73e 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3058,9 +3058,24 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "MAC address is %pM.\n",
qedf->mac);
- /* Set the WWNN and WWPN based on the MAC address */
- qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0);
- qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0);
+ /*
+ * Set the WWNN and WWPN in the following way:
+ *
+ * If the info we get from qed is non-zero then use that to set the
+ * WWPN and WWNN. Otherwise fall back to use fcoe_wwn_from_mac() based
+ * on the MAC address.
+ */
+ if (qedf->dev_info.wwnn != 0 && qedf->dev_info.wwpn != 0) {
+ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
+ "Setting WWPN and WWNN from qed dev_info.\n");
+ qedf->wwnn = qedf->dev_info.wwnn;
+ qedf->wwpn = qedf->dev_info.wwpn;
+ } else {
+ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
+ "Setting WWPN and WWNN using fcoe_wwn_from_mac().\n");
+ qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0);
+ qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0);
+ }
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "WWNN=%016llx "
"WWPN=%016llx.\n", qedf->wwnn, qedf->wwpn);