mac_start_ring
err = mac_start_ring(ring);
rv = mac_start_ring(rr_ring);
(void) mac_start_ring(mr);
if ((rv = mac_start_ring(ring)) != 0)
if ((ret = mac_start_ring(ring)) != 0) {
(void) mac_start_ring(rem_ring);
if (mac_start_ring(desired_ring) != 0)
(void) mac_start_ring(ring);
(void) mac_start_ring(ring);
(void) mac_start_ring(ring);
(void) mac_start_ring(ring);
(void) mac_start_ring(ring);
(void) mac_start_ring(ring);
extern int mac_start_ring(mac_ring_t *);