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authorYi Zou <yi.zou@intel.com>2009-11-20 15:22:21 -0800
committerJames Bottomley <James.Bottomley@suse.de>2009-12-10 09:45:53 -0600
commitdcece412da92aa619c0d891a17306b9adf86ab0e (patch)
tree4d7c49efc33ec71cd97904808cd2050a3798e54d /drivers/scsi
parente46b63b37c3296f0aca92d8b62bbf130f2bec7dd (diff)
[SCSI] fcoe: Use LLD's WWPN and WWNN for lport if LLD supports ndo_fcoe_get_wwn
If the LLD wants its own WWNN/WWPN to be used, it should implement the netdev_ops.ndo_fcoe_get_wwn(). If that is the case, we query the LLD and use the queried WWNN/WWPN from the LLD. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/fcoe/fcoe.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index a30ffaa1222c..9b6aebbb47d3 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -545,6 +545,23 @@ static void fcoe_queue_timer(ulong lport)
}
/**
+ * fcoe_get_wwn() - Get the world wide name from LLD if it supports it
+ * @netdev: the associated net device
+ * @wwn: the output WWN
+ * @type: the type of WWN (WWPN or WWNN)
+ *
+ * Returns: 0 for success
+ */
+static int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
+{
+ const struct net_device_ops *ops = netdev->netdev_ops;
+
+ if (ops->ndo_fcoe_get_wwn)
+ return ops->ndo_fcoe_get_wwn(netdev, wwn, type);
+ return -EINVAL;
+}
+
+/**
* fcoe_netdev_config() - Set up net devive for SW FCoE
* @lport: The local port that is associated with the net device
* @netdev: The associated net device
@@ -611,9 +628,13 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
*/
if (netdev->priv_flags & IFF_802_1Q_VLAN)
vid = vlan_dev_vlan_id(netdev);
- wwnn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 1, 0);
+
+ if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
+ wwnn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 1, 0);
fc_set_wwnn(lport, wwnn);
- wwpn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 2, vid);
+ if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN))
+ wwpn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr,
+ 2, vid);
fc_set_wwpn(lport, wwpn);
}