[SCSI] iscsi class, qla4xxx, iscsi_tcp: export local address

This patch exports the local address for the session. For
qla4xxx this is the ip of the hba's port. For software
this is the src addr of the socket.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: David C Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/scsi_transport_iscsi.c

@@ -32,7 +32,7 @@
 
 #define ISCSI_SESSION_ATTRS 15
 #define ISCSI_CONN_ATTRS 11
-#define ISCSI_HOST_ATTRS 2
+#define ISCSI_HOST_ATTRS 3
 #define ISCSI_TRANSPORT_VERSION "2.0-724"
 
 struct iscsi_internal {
@@ -1261,6 +1261,7 @@ show_host_param_##param(struct class_device *cdev, char *buf)		\
 static ISCSI_CLASS_ATTR(host, field, S_IRUGO, show_host_param_##param,	\
 			NULL);
 
+iscsi_host_attr(ipaddress, ISCSI_HOST_PARAM_IPADDRESS);
 iscsi_host_attr(hwaddress, ISCSI_HOST_PARAM_HWADDRESS);
 iscsi_host_attr(initiatorname, ISCSI_HOST_PARAM_INITIATOR_NAME);
 
@@ -1398,6 +1399,7 @@ iscsi_register_transport(struct iscsi_transport *tt)
 	priv->t.host_size = sizeof(struct iscsi_host);
 	transport_container_register(&priv->t.host_attrs);
 
+	SETUP_HOST_RD_ATTR(ipaddress, ISCSI_HOST_IPADDRESS);
 	SETUP_HOST_RD_ATTR(hwaddress, ISCSI_HOST_HWADDRESS);
 	SETUP_HOST_RD_ATTR(initiatorname, ISCSI_HOST_INITIATOR_NAME);
 	BUG_ON(count > ISCSI_HOST_ATTRS);