- dpif->class->port_poll_wait(dpif);
-}
-
-/* Retrieves a list of the port numbers in port group 'group' in 'dpif'.
- *
- * On success, returns 0 and points '*ports' to a newly allocated array of
- * integers, each of which is a 'dpif' port number for a port in
- * 'group'. Stores the number of elements in the array in '*n_ports'. The
- * caller is responsible for freeing '*ports' by calling free().
- *
- * On failure, returns a positive errno value and sets '*ports' to NULL and
- * '*n_ports' to 0. */
-int
-dpif_port_group_get(const struct dpif *dpif, uint16_t group,
- uint16_t **ports, size_t *n_ports)
-{
- int error;
-
- *ports = NULL;
- *n_ports = 0;
- for (;;) {
- int retval = dpif->class->port_group_get(dpif, group,
- *ports, *n_ports);
- if (retval < 0) {
- /* Hard error. */
- error = -retval;
- free(*ports);
- *ports = NULL;
- *n_ports = 0;
- break;
- } else if (retval <= *n_ports) {
- /* Success. */
- error = 0;
- *n_ports = retval;
- break;
- } else {
- /* Soft error: there were more ports than we expected in the
- * group. Try again. */
- free(*ports);
- *ports = xcalloc(retval, sizeof **ports);
- *n_ports = retval;
- }
- }
- log_operation(dpif, "port_group_get", error);
- return error;
-}
-
-/* Updates port group 'group' in 'dpif', making it contain the 'n_ports' ports
- * whose 'dpif' port numbers are given in 'n_ports'. Returns 0 if
- * successful, otherwise a positive errno value.
- *
- * Behavior is undefined if the values in ports[] are not unique. */
-int
-dpif_port_group_set(struct dpif *dpif, uint16_t group,
- const uint16_t ports[], size_t n_ports)
-{
- int error;
-
- COVERAGE_INC(dpif_port_group_set);
-
- error = dpif->class->port_group_set(dpif, group, ports, n_ports);
- log_operation(dpif, "port_group_set", error);
- return error;