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authorNeerav Parikh <Neerav.Parikh@intel.com>2011-05-16 16:45:29 -0700
committerJames Bottomley <jbottomley@parallels.com>2011-05-24 12:36:29 -0400
commitbdf252183e58654fcceedbf3fdcfd878b9e4f2d6 (patch)
treeb02db1a5baab6cde3fb77f2e9c7c1c302e996ce1 /drivers/scsi/fcoe/fcoe.h
parentc051ad2e57e379e07e4ec28b2a54eeb0d04c5d59 (diff)
[SCSI] fcoe: Prevent creation of an NPIV port with duplicate WWPN
This patch adds a validation step before allowing creation of a new NPIV port. It checks whether the WWPN passed for the new NPIV port to be created is unique for the given physical port. Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <jbottomley@parallels.com>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.h')
-rw-r--r--drivers/scsi/fcoe/fcoe.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index 408a6fd78fb..c4a93993c0c 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -99,4 +99,14 @@ static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)
((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
}
+static inline void wwn_to_str(u64 wwn, char *buf, int len)
+{
+ u8 wwpn[8];
+
+ u64_to_wwn(wwn, wwpn);
+ snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x",
+ wwpn[0], wwpn[1], wwpn[2], wwpn[3],
+ wwpn[4], wwpn[5], wwpn[6], wwpn[7]);
+}
+
#endif /* _FCOE_H_ */