ldc_queue
struct ldc_queue *
struct ldc_queue *lq;
lq = malloc(sizeof(struct ldc_queue), M_DEVBUF, M_NOWAIT);
free(lq, M_DEVBUF, sizeof(struct ldc_queue));
ldc_queue_free(bus_dma_tag_t t, struct ldc_queue *lq)
struct ldc_queue *ldc_queue_alloc(bus_dma_tag_t, int);
void ldc_queue_free(bus_dma_tag_t, struct ldc_queue *);
struct ldc_queue *lc_txq;
struct ldc_queue *lc_rxq;