/** \brief configure or disable LISP PITR node
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param ls_name - locator set name
@param is_add - add locator set if non-zero, else disable pitr
*/
/** \brief configure or disable LISP PITR node
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param ls_name - locator set name
@param is_add - add locator set if non-zero, else disable pitr
*/