[SCSI] iscsi_transport: Additional parameters for network settings

Added support to display and update additional network parameters
through iscsiadm.

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

include/scsi/scsi_transport_iscsi.h

@@ -478,4 +478,7 @@ iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data,
 extern struct device *
 iscsi_find_flashnode_conn(struct iscsi_bus_flash_session *fnode_sess);
 
+extern char *
+iscsi_get_ipaddress_state_name(enum iscsi_ipaddress_state port_state);
+extern char *iscsi_get_router_state_name(enum iscsi_router_state router_state);
 #endif