dev/sge/if_sge.c

755 	struct sge_chain_data *cd;
761 	cd = &sc->sge_cdata;
774 	    &cd->sge_tag);
782 	error = bus_dma_tag_create(cd->sge_tag,
792 	    &cd->sge_rx_tag);
799 	error = bus_dmamem_alloc(cd->sge_rx_tag, (void **)&ld->sge_rx_ring,
801 	    &cd->sge_rx_dmamap);
807 	error = bus_dmamap_load(cd->sge_rx_tag, cd->sge_rx_dmamap,
816 	error = bus_dma_tag_create(cd->sge_tag,
826 	    &cd->sge_tx_tag);
833 	error = bus_dmamem_alloc(cd->sge_tx_tag, (void **)&ld->sge_tx_ring,
835 	    &cd->sge_tx_dmamap);
841 	error = bus_dmamap_load(cd->sge_tx_tag, cd->sge_tx_dmamap,
851 	error = bus_dma_tag_create(cd->sge_tag, 1, 0, BUS_SPACE_MAXADDR,
853 	    SGE_TSO_MAXSEGSIZE, 0, NULL, NULL, &cd->sge_txmbuf_tag);
861 	error = bus_dma_tag_create(cd->sge_tag, SGE_RX_BUF_ALIGN, 0,
863 	    MCLBYTES, 0, NULL, NULL, &cd->sge_rxmbuf_tag);
872 		txd = &cd->sge_txdesc[i];
876 		error = bus_dmamap_create(cd->sge_txmbuf_tag, 0,
885 	error = bus_dmamap_create(cd->sge_rxmbuf_tag, 0, &cd->sge_rx_spare_map);
893 		rxd = &cd->sge_rxdesc[i];
896 		error = bus_dmamap_create(cd->sge_rxmbuf_tag, 0,
911 	struct sge_chain_data *cd;
917 	cd = &sc->sge_cdata;
920 	if (cd->sge_rx_tag != NULL) {
922 			bus_dmamap_unload(cd->sge_rx_tag, cd->sge_rx_dmamap);
924 			bus_dmamem_free(cd->sge_rx_tag, ld->sge_rx_ring,
925 			    cd->sge_rx_dmamap);
928 		bus_dma_tag_destroy(cd->sge_rx_tag);
929 		cd->sge_rx_tag = NULL;
932 	if (cd->sge_tx_tag != NULL) {
934 			bus_dmamap_unload(cd->sge_tx_tag, cd->sge_tx_dmamap);
936 			bus_dmamem_free(cd->sge_tx_tag, ld->sge_tx_ring,
937 			    cd->sge_tx_dmamap);
940 		bus_dma_tag_destroy(cd->sge_tx_tag);
941 		cd->sge_tx_tag = NULL;
944 	if (cd->sge_rxmbuf_tag != NULL) {
946 			rxd = &cd->sge_rxdesc[i];
948 				bus_dmamap_destroy(cd->sge_rxmbuf_tag,
953 		if (cd->sge_rx_spare_map != NULL) {
954 			bus_dmamap_destroy(cd->sge_rxmbuf_tag,
955 			    cd->sge_rx_spare_map);
956 			cd->sge_rx_spare_map = NULL;
958 		bus_dma_tag_destroy(cd->sge_rxmbuf_tag);
959 		cd->sge_rxmbuf_tag = NULL;
962 	if (cd->sge_txmbuf_tag != NULL) {
964 			txd = &cd->sge_txdesc[i];
966 				bus_dmamap_destroy(cd->sge_txmbuf_tag,
971 		bus_dma_tag_destroy(cd->sge_txmbuf_tag);
972 		cd->sge_txmbuf_tag = NULL;
974 	if (cd->sge_tag != NULL)
975 		bus_dma_tag_destroy(cd->sge_tag);
976 	cd->sge_tag = NULL;
986 	struct sge_chain_data *cd;
990 	cd = &sc->sge_cdata;
993 	bus_dmamap_sync(cd->sge_tx_tag, cd->sge_tx_dmamap,
995 	cd->sge_tx_prod = 0;
996 	cd->sge_tx_cons = 0;
997 	cd->sge_tx_cnt = 0;
1004 	struct sge_chain_data *cd;
1009 	cd = &sc->sge_cdata;
1011 		txd = &cd->sge_txdesc[i];
1013 			bus_dmamap_sync(cd->sge_txmbuf_tag, txd->tx_dmamap,
1015 			bus_dmamap_unload(cd->sge_txmbuf_tag, txd->tx_dmamap);
1033 	struct sge_chain_data *cd;
1037 	cd = &sc->sge_cdata;
1038 	cd->sge_rx_cons = 0;
1044 	bus_dmamap_sync(cd->sge_rx_tag, cd->sge_rx_dmamap,
1052 	struct sge_chain_data *cd;
1057 	cd = &sc->sge_cdata;
1059 		rxd = &cd->sge_rxdesc[i];
1061 			bus_dmamap_sync(cd->sge_rxmbuf_tag, rxd->rx_dmamap,
1063 			bus_dmamap_unload(cd->sge_rxmbuf_tag,
1080 	struct sge_chain_data *cd;
1088 	cd = &sc->sge_cdata;
1094 	error = bus_dmamap_load_mbuf_sg(cd->sge_rxmbuf_tag,
1095 	    cd->sge_rx_spare_map, m, segs, &nsegs, 0);
1101 	rxd = &cd->sge_rxdesc[prod];
1103 		bus_dmamap_sync(cd->sge_rxmbuf_tag, rxd->rx_dmamap,
1105 		bus_dmamap_unload(cd->sge_rxmbuf_tag, rxd->rx_dmamap);
1108 	rxd->rx_dmamap = cd->sge_rx_spare_map;
1109 	cd->sge_rx_spare_map = map;
1110 	bus_dmamap_sync(cd->sge_rxmbuf_tag, rxd->rx_dmamap,
1146 	struct sge_chain_data *cd;
1154 	cd = &sc->sge_cdata;
1156 	bus_dmamap_sync(cd->sge_rx_tag, cd->sge_rx_dmamap,
1158 	cons = cd->sge_rx_cons;
1179 		m = cd->sge_rxdesc[cons].rx_m;
1222 		bus_dmamap_sync(cd->sge_rx_tag, cd->sge_rx_dmamap,
1224 		cd->sge_rx_cons = cons;
1237 	struct sge_chain_data *cd;
1246 	cd = &sc->sge_cdata;
1248 	if (cd->sge_tx_cnt == 0)
1250 	bus_dmamap_sync(cd->sge_tx_tag, cd->sge_tx_dmamap,
1252 	cons = cd->sge_tx_cons;
1253 	prod = cd->sge_tx_prod;
1277 		txd = &cd->sge_txdesc[cons];
1285 		bus_dmamap_sync(cd->sge_txmbuf_tag, txd->tx_dmamap,
1287 		bus_dmamap_unload(cd->sge_txmbuf_tag, txd->tx_dmamap);
1290 		cd->sge_tx_cnt -= txd->tx_ndesc;
1291 		KASSERT(cd->sge_tx_cnt >= 0,
1296 	cd->sge_tx_cons = cons;
1297 	if (cd->sge_tx_cnt == 0)