mbx_set_common_iface_multicast
struct mbx_set_common_iface_multicast *req = NULL;
if (oce_dma_alloc(sc, sizeof(struct mbx_set_common_iface_multicast),
req = OCE_DMAPTR(&dma, struct mbx_set_common_iface_multicast);
bzero(req, sizeof(struct mbx_set_common_iface_multicast));
struct mbx_set_common_iface_multicast *req = NULL;
req = OCE_DMAPTR(pdma_mem, struct mbx_set_common_iface_multicast);
sizeof(struct mbx_set_common_iface_multicast),
mbx.payload_length = sizeof(struct mbx_set_common_iface_multicast);