dev/rtwn/if_rtwn.c

489 	struct rtwn_rx_ring *rx_ring = &sc->rx_ring;
498 	    size, 1, size, 0, NULL, NULL, &rx_ring->desc_dmat);
504 	error = bus_dmamem_alloc(rx_ring->desc_dmat, (void **)&rx_ring->desc,
506 	    &rx_ring->desc_map);
511 	error = bus_dmamap_load(rx_ring->desc_dmat, rx_ring->desc_map,
512 	    rx_ring->desc, size, rtwn_dma_map_addr, &rx_ring->paddr, 0);
517 	bus_dmamap_sync(rx_ring->desc_dmat, rx_ring->desc_map,
523 	    1, MCLBYTES, 0, NULL, NULL, &rx_ring->data_dmat);
531 		rx_data = &rx_ring->rx_data[i];
532 		error = bus_dmamap_create(rx_ring->data_dmat, 0, &rx_data->map);
547 		error = bus_dmamap_load(rx_ring->data_dmat, rx_data->map,
556 		rtwn_setup_rx_desc(sc, &rx_ring->desc[i], rx_data->paddr,
569 	struct rtwn_rx_ring *rx_ring = &sc->rx_ring;
574 		rx_data = &rx_ring->rx_data[i];
575 		rtwn_setup_rx_desc(sc, &rx_ring->desc[i], rx_data->paddr,
583 	struct rtwn_rx_ring *rx_ring = &sc->rx_ring;
587 	if (rx_ring->desc_dmat != NULL) {
588 		if (rx_ring->desc != NULL) {
589 			bus_dmamap_sync(rx_ring->desc_dmat,
590 			    rx_ring->desc_map,
592 			bus_dmamap_unload(rx_ring->desc_dmat,
593 			    rx_ring->desc_map);
594 			bus_dmamem_free(rx_ring->desc_dmat, rx_ring->desc,
595 			    rx_ring->desc_map);
596 			rx_ring->desc = NULL;
598 		bus_dma_tag_destroy(rx_ring->desc_dmat);
599 		rx_ring->desc_dmat = NULL;
603 		rx_data = &rx_ring->rx_data[i];
606 			bus_dmamap_sync(rx_ring->data_dmat,
608 			bus_dmamap_unload(rx_ring->data_dmat, rx_data->map);
612 		bus_dmamap_destroy(rx_ring->data_dmat, rx_data->map);
615 	if (rx_ring->data_dmat != NULL) {
616 		bus_dma_tag_destroy(rx_ring->data_dmat);
617 		rx_ring->data_dmat = NULL;
1501 	bus_dmamap_unload(sc->rx_ring.data_dmat, rx_data->map);
1503 	error = bus_dmamap_load(sc->rx_ring.data_dmat, rx_data->map,
1509 		if (bus_dmamap_load_mbuf_sg(sc->rx_ring.data_dmat,
2264 	rtwn_write_4(sc, R92C_RX_DESA, sc->rx_ring.paddr);
3496 		bus_dmamap_sync(sc->rx_ring.desc_dmat, sc->rx_ring.desc_map,
3500 			struct r92c_rx_desc *rx_desc = &sc->rx_ring.desc[i];
3501 			struct rtwn_rx_data *rx_data = &sc->rx_ring.rx_data[i];