'Gets the iSCSI target portal details.'

def get_iscsi_target_details(self):

    iscsi_if_iter = netapp_api.NaElement('iscsi-portal-list-info')
    result = self.connection.invoke_successfully(iscsi_if_iter, True)
    tgt_list = []
    portal_list_entries = result.get_child_by_name('iscsi-portal-list-entries')
    if portal_list_entries:
        portal_list = portal_list_entries.get_children()
        for iscsi_if in portal_list:
            d = dict()
            d['address'] = iscsi_if.get_child_content('ip-address')
            d['port'] = iscsi_if.get_child_content('ip-port')
            d['tpgroup-tag'] = iscsi_if.get_child_content('tpgroup-tag')
            tgt_list.append(d)
    return tgt_list
