mips/idt/if_kr.c

660 	prod = sc->kr_cdata.kr_tx_prod;
661 	txd = &sc->kr_cdata.kr_txdesc[prod];
662 	error = bus_dmamap_load_mbuf_sg(sc->kr_cdata.kr_tx_tag, txd->tx_dmamap,
675 	if (sc->kr_cdata.kr_tx_cnt + nsegs >= (KR_TX_RING_CNT - 1)) {
676 		bus_dmamap_unload(sc->kr_cdata.kr_tx_tag, txd->tx_dmamap);
681 	bus_dmamap_sync(sc->kr_cdata.kr_tx_tag, txd->tx_dmamap,
704 		sc->kr_cdata.kr_tx_cnt++;
718 	sc->kr_cdata.kr_tx_prod = prod;
721 	bus_dmamap_sync(sc->kr_cdata.kr_tx_ring_tag,
722 	    sc->kr_cdata.kr_tx_ring_map,
759 	    sc->kr_cdata.kr_tx_cnt < KR_TX_RING_CNT - 2; ) {
984 	    &sc->kr_cdata.kr_parent_tag);
991 	    sc->kr_cdata.kr_parent_tag,	/* parent */
1001 	    &sc->kr_cdata.kr_tx_ring_tag);
1009 	    sc->kr_cdata.kr_parent_tag,	/* parent */
1019 	    &sc->kr_cdata.kr_rx_ring_tag);
1027 	    sc->kr_cdata.kr_parent_tag,	/* parent */
1037 	    &sc->kr_cdata.kr_tx_tag);
1045 	    sc->kr_cdata.kr_parent_tag,	/* parent */
1055 	    &sc->kr_cdata.kr_rx_tag);
1062 	error = bus_dmamem_alloc(sc->kr_cdata.kr_tx_ring_tag,
1064 	    BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->kr_cdata.kr_tx_ring_map);
1072 	error = bus_dmamap_load(sc->kr_cdata.kr_tx_ring_tag,
1073 	    sc->kr_cdata.kr_tx_ring_map, sc->kr_rdata.kr_tx_ring,
1083 	error = bus_dmamem_alloc(sc->kr_cdata.kr_rx_ring_tag,
1085 	    BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->kr_cdata.kr_rx_ring_map);
1093 	error = bus_dmamap_load(sc->kr_cdata.kr_rx_ring_tag,
1094 	    sc->kr_cdata.kr_rx_ring_map, sc->kr_rdata.kr_rx_ring,
1105 		txd = &sc->kr_cdata.kr_txdesc[i];
1108 		error = bus_dmamap_create(sc->kr_cdata.kr_tx_tag, 0,
1117 	if ((error = bus_dmamap_create(sc->kr_cdata.kr_rx_tag, 0,
1118 	    &sc->kr_cdata.kr_rx_sparemap)) != 0) {
1124 		rxd = &sc->kr_cdata.kr_rxdesc[i];
1127 		error = bus_dmamap_create(sc->kr_cdata.kr_rx_tag, 0,
1148 	if (sc->kr_cdata.kr_tx_ring_tag) {
1149 		if (sc->kr_cdata.kr_tx_ring_map)
1150 			bus_dmamap_unload(sc->kr_cdata.kr_tx_ring_tag,
1151 			    sc->kr_cdata.kr_tx_ring_map);
1152 		if (sc->kr_cdata.kr_tx_ring_map &&
1154 			bus_dmamem_free(sc->kr_cdata.kr_tx_ring_tag,
1156 			    sc->kr_cdata.kr_tx_ring_map);
1158 		sc->kr_cdata.kr_tx_ring_map = NULL;
1159 		bus_dma_tag_destroy(sc->kr_cdata.kr_tx_ring_tag);
1160 		sc->kr_cdata.kr_tx_ring_tag = NULL;
1163 	if (sc->kr_cdata.kr_rx_ring_tag) {
1164 		if (sc->kr_cdata.kr_rx_ring_map)
1165 			bus_dmamap_unload(sc->kr_cdata.kr_rx_ring_tag,
1166 			    sc->kr_cdata.kr_rx_ring_map);
1167 		if (sc->kr_cdata.kr_rx_ring_map &&
1169 			bus_dmamem_free(sc->kr_cdata.kr_rx_ring_tag,
1171 			    sc->kr_cdata.kr_rx_ring_map);
1173 		sc->kr_cdata.kr_rx_ring_map = NULL;
1174 		bus_dma_tag_destroy(sc->kr_cdata.kr_rx_ring_tag);
1175 		sc->kr_cdata.kr_rx_ring_tag = NULL;
1178 	if (sc->kr_cdata.kr_tx_tag) {
1180 			txd = &sc->kr_cdata.kr_txdesc[i];
1182 				bus_dmamap_destroy(sc->kr_cdata.kr_tx_tag,
1187 		bus_dma_tag_destroy(sc->kr_cdata.kr_tx_tag);
1188 		sc->kr_cdata.kr_tx_tag = NULL;
1191 	if (sc->kr_cdata.kr_rx_tag) {
1193 			rxd = &sc->kr_cdata.kr_rxdesc[i];
1195 				bus_dmamap_destroy(sc->kr_cdata.kr_rx_tag,
1200 		if (sc->kr_cdata.kr_rx_sparemap) {
1201 			bus_dmamap_destroy(sc->kr_cdata.kr_rx_tag,
1202 			    sc->kr_cdata.kr_rx_sparemap);
1203 			sc->kr_cdata.kr_rx_sparemap = 0;
1205 		bus_dma_tag_destroy(sc->kr_cdata.kr_rx_tag);
1206 		sc->kr_cdata.kr_rx_tag = NULL;
1209 	if (sc->kr_cdata.kr_parent_tag) {
1210 		bus_dma_tag_destroy(sc->kr_cdata.kr_parent_tag);
1211 		sc->kr_cdata.kr_parent_tag = NULL;
1226 	sc->kr_cdata.kr_tx_prod = 0;
1227 	sc->kr_cdata.kr_tx_cons = 0;
1228 	sc->kr_cdata.kr_tx_cnt = 0;
1229 	sc->kr_cdata.kr_tx_pkts = 0;
1242 		txd = &sc->kr_cdata.kr_txdesc[i];
1246 	bus_dmamap_sync(sc->kr_cdata.kr_tx_ring_tag,
1247 	    sc->kr_cdata.kr_tx_ring_map,
1266 	sc->kr_cdata.kr_rx_cons = 0;
1271 		rxd = &sc->kr_cdata.kr_rxdesc[i];
1288 	bus_dmamap_sync(sc->kr_cdata.kr_rx_ring_tag,
1289 	    sc->kr_cdata.kr_rx_ring_map,
1314 	if (bus_dmamap_load_mbuf_sg(sc->kr_cdata.kr_rx_tag,
1315 	    sc->kr_cdata.kr_rx_sparemap, m, segs, &nsegs, 0) != 0) {
1321 	rxd = &sc->kr_cdata.kr_rxdesc[idx];
1323 		bus_dmamap_sync(sc->kr_cdata.kr_rx_tag, rxd->rx_dmamap,
1325 		bus_dmamap_unload(sc->kr_cdata.kr_rx_tag, rxd->rx_dmamap);
1328 	rxd->rx_dmamap = sc->kr_cdata.kr_rx_sparemap;
1329 	sc->kr_cdata.kr_rx_sparemap = map;
1330 	bus_dmamap_sync(sc->kr_cdata.kr_rx_tag, rxd->rx_dmamap,
1369 	cons = sc->kr_cdata.kr_tx_cons;
1370 	prod = sc->kr_cdata.kr_tx_prod;
1374 	bus_dmamap_sync(sc->kr_cdata.kr_tx_ring_tag,
1375 	    sc->kr_cdata.kr_tx_ring_map,
1391 		sc->kr_cdata.kr_tx_cnt--;
1394 		txd = &sc->kr_cdata.kr_txdesc[cons];
1406 		bus_dmamap_sync(sc->kr_cdata.kr_tx_tag, txd->tx_dmamap,
1408 		bus_dmamap_unload(sc->kr_cdata.kr_tx_tag, txd->tx_dmamap);
1422 	sc->kr_cdata.kr_tx_cons = cons;
1424 	bus_dmamap_sync(sc->kr_cdata.kr_tx_ring_tag,
1425 	    sc->kr_cdata.kr_tx_ring_map, BUS_DMASYNC_PREWRITE);
1440 	cons = sc->kr_cdata.kr_rx_cons;
1442 	bus_dmamap_sync(sc->kr_cdata.kr_rx_ring_tag,
1443 	    sc->kr_cdata.kr_rx_ring_map,
1448 		rxd = &sc->kr_cdata.kr_rxdesc[cons];
1469 			bus_dmamap_sync(sc->kr_cdata.kr_rx_tag, rxd->rx_dmamap,
1503 		bus_dmamap_sync(sc->kr_cdata.kr_rx_ring_tag,
1504 		    sc->kr_cdata.kr_rx_ring_map,
1510 		sc->kr_cdata.kr_rx_cons = cons;
1512 		bus_dmamap_sync(sc->kr_cdata.kr_rx_ring_tag,
1513 		    sc->kr_cdata.kr_rx_ring_map,
1544 		    KR_RX_RING_ADDR(sc, sc->kr_cdata.kr_rx_cons));