vmware/vmxnet3/if_vmx.c

992 	struct vmxnet3_txring *txr;
995 	txr = &txq->vxtxq_cmd_ring;
1004 	txr->vxtxr_ndesc = sc->vmx_ntxdescs;
1005 	txr->vxtxr_txbuf = malloc(txr->vxtxr_ndesc *
1007 	if (txr->vxtxr_txbuf == NULL)
1088 	struct vmxnet3_txring *txr;
1090 	txr = &txq->vxtxq_cmd_ring;
1102 	if (txr->vxtxr_txbuf != NULL) {
1103 		free(txr->vxtxr_txbuf, M_DEVBUF);
1104 		txr->vxtxr_txbuf = NULL;
1207 	struct vmxnet3_txring *txr;
1216 		txr = &txq->vxtxq_cmd_ring;
1219 		descsz = txr->vxtxr_ndesc * sizeof(struct vmxnet3_txdesc);
1220 		compsz = txr->vxtxr_ndesc * sizeof(struct vmxnet3_txcompdesc);
1232 		    &txr->vxtxr_txtag);
1239 		error = vmxnet3_dma_malloc(sc, descsz, 512, &txr->vxtxr_dma);
1245 		txr->vxtxr_txd =
1246 		    (struct vmxnet3_txdesc *) txr->vxtxr_dma.dma_vaddr;
1257 		for (i = 0; i < txr->vxtxr_ndesc; i++) {
1258 			error = bus_dmamap_create(txr->vxtxr_txtag, 0,
1259 			    &txr->vxtxr_txbuf[i].vtxb_dmamap);
1276 	struct vmxnet3_txring *txr;
1285 		txr = &txq->vxtxq_cmd_ring;
1288 		for (i = 0; i < txr->vxtxr_ndesc; i++) {
1289 			txb = &txr->vxtxr_txbuf[i];
1291 				bus_dmamap_destroy(txr->vxtxr_txtag,
1302 		if (txr->vxtxr_txd != NULL) {
1303 			vmxnet3_dma_free(sc, &txr->vxtxr_dma);
1304 			txr->vxtxr_txd = NULL;
1307 		if (txr->vxtxr_txtag != NULL) {
1308 			bus_dma_tag_destroy(txr->vxtxr_txtag);
1309 			txr->vxtxr_txtag = NULL;
1852 	struct vmxnet3_txring *txr;
1861 	txr = &txq->vxtxq_cmd_ring;
1882 		sop = txr->vxtxr_next;
1883 		txb = &txr->vxtxr_txbuf[sop];
1886 			bus_dmamap_sync(txr->vxtxr_txtag, txb->vtxb_dmamap,
1888 			bus_dmamap_unload(txr->vxtxr_txtag, txb->vtxb_dmamap);
1899 		txr->vxtxr_next = (txcd->eop_idx + 1) % txr->vxtxr_ndesc;
1902 	if (txr->vxtxr_head == txr->vxtxr_next)
2375 	struct vmxnet3_txring *txr;
2379 	txr = &txq->vxtxq_cmd_ring;
2381 	for (i = 0; i < txr->vxtxr_ndesc; i++) {
2382 		txb = &txr->vxtxr_txbuf[i];
2387 		bus_dmamap_sync(txr->vxtxr_txtag, txb->vtxb_dmamap,
2389 		bus_dmamap_unload(txr->vxtxr_txtag, txb->vtxb_dmamap);
2480 	struct vmxnet3_txring *txr;
2483 	txr = &txq->vxtxq_cmd_ring;
2484 	txr->vxtxr_head = 0;
2485 	txr->vxtxr_next = 0;
2486 	txr->vxtxr_gen = VMXNET3_INIT_GEN;
2487 	bzero(txr->vxtxr_txd,
2488 	    txr->vxtxr_ndesc * sizeof(struct vmxnet3_txdesc));
2819 	struct vmxnet3_txring *txr;
2824 	txr = &txq->vxtxq_cmd_ring;
2826 	tag = txr->vxtxr_txtag;
2852 	struct vmxnet3_txring *txr;
2854 	txr = &txq->vxtxq_cmd_ring;
2855 	bus_dmamap_unload(txr->vxtxr_txtag, dmap);
2862 	struct vmxnet3_txring *txr;
2872 	txr = &txq->vxtxq_cmd_ring;
2873 	dmap = txr->vxtxr_txbuf[txr->vxtxr_head].vtxb_dmamap;
2884 	if (VMXNET3_TXRING_AVAIL(txr) < nsegs) {
2899 	txr->vxtxr_txbuf[txr->vxtxr_head].vtxb_m = m;
2900 	sop = &txr->vxtxr_txd[txr->vxtxr_head];
2901 	gen = txr->vxtxr_gen ^ 1;	/* Owned by cpu (yet) */
2904 		txd = &txr->vxtxr_txd[txr->vxtxr_head];
2918 		if (++txr->vxtxr_head == txr->vxtxr_ndesc) {
2919 			txr->vxtxr_head = 0;
2920 			txr->vxtxr_gen ^= 1;
2922 		gen = txr->vxtxr_gen;
2951 		    txr->vxtxr_head);
2964 	struct vmxnet3_txring *txr;
2970 	txr = &txq->vxtxq_cmd_ring;
2980 		if ((avail = VMXNET3_TXRING_AVAIL(txr)) < 2)
3027 	struct vmxnet3_txring *txr;
3035 	txr = &txq->vxtxq_cmd_ring;
3054 	while ((avail = VMXNET3_TXRING_AVAIL(txr)) >= 2) {