232 	u16 ntxd;		/* # tx descriptors tunable */  member
315 	return xxd(x, di->ntxd);  in txd()
504 	size = (direction == DMA_TX) ? (di->ntxd * ddlen) : (di->nrxd * ddlen);  in dma64_alloc()
549 			   uint txregbase, uint rxregbase, uint ntxd, uint nrxd,  in dma_attach()  argument
583 		      di->dma.dmactrlflags, ntxd, nrxd, rxbufsize,  in dma_attach()
593 	di->ntxd = (u16) ntxd;  in dma_attach()
639 		if ((ntxd < D64MAXDD / 2) && (nrxd < D64MAXDD / 2))  in dma_attach()
650 	if (ntxd) {  in dma_attach()
651 		size = ntxd * sizeof(void *);  in dma_attach()
669 	if (ntxd) {  in dma_attach()
1007 	if (di->ntxd == 0)  in dma64_txidle()
1147 	if (di->ntxd == 0)  in dma_txinit()
1151 	di->dma.txavail = di->ntxd - 1;  in dma_txinit()
1154 	memset(di->txd64, '\0', (di->ntxd * sizeof(struct dma64desc)));  in dma_txinit()
1179 	if (di->ntxd == 0)  in dma_txsuspend()
1191 	if (di->ntxd == 0)  in dma_txresume()
1201 	return (di->ntxd == 0) ||  in dma_txsuspended()
1233 	if (di->ntxd == 0)  in dma_txreset()
1303 	if (txout == (di->ntxd - 1))  in dma_txenq()
1369 	di->dma.txavail = di->ntxd - ntxdactive(di, di->txin, di->txout) -  in dma_update_txavail()
1481 	if (di->ntxd == 0)  in dma_getnexttxp()