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authorYi Zou <yi.zou@intel.com>2009-11-03 11:49:59 -0800
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:01:24 -0600
commitcc0136c2e9c10e889cb36e39710c0eb10707b396 (patch)
treeb486a0e899ee7d06365f3efbe1e08c876b91b422 /drivers/scsi/fcoe/fcoe.c
parent349e11faa84ebdd6e484572cfe66f2cf4cb483a1 (diff)
[SCSI] fcoe: Fix using VLAN ID in creating lport's WWWN/WWPN
If the underlying netdev is a VLAN device, make sure the VLAN ID is integrated into the WWNN/WWPN name generation. Also added/updated the comments to reflect this change. 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/fcoe/fcoe.c')
-rw-r--r--drivers/scsi/fcoe/fcoe.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index fba7ba00c71..28029a34289 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -555,6 +555,7 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
u64 wwnn, wwpn;
struct fcoe_interface *fcoe;
struct fcoe_port *port;
+ int vid = 0;
/* Setup lport private data to point to fcoe softc */
port = lport_priv(lport);
@@ -599,10 +600,16 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
setup_timer(&port->timer, fcoe_queue_timer, (unsigned long)lport);
if (!lport->vport) {
+ /*
+ * Use NAA 1&2 (FC-FS Rev. 2.0, Sec. 15) to generate WWNN/WWPN:
+ * For WWNN, we use NAA 1 w/ bit 27-16 of word 0 as 0.
+ * For WWPN, we use NAA 2 w/ bit 27-16 of word 0 from VLAN ID
+ */
+ 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);
fc_set_wwnn(lport, wwnn);
- /* XXX - 3rd arg needs to be vlan id */
- wwpn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 2, 0);
+ wwpn = fcoe_wwn_from_mac(fcoe->ctlr.ctl_src_addr, 2, vid);
fc_set_wwpn(lport, wwpn);
}